Search Results — 2000 specimen records retrieved (1914 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229362  Abronia villosa John Thomas Howell 1928-3-11 3429 Riverside Six miles south-east of Garnet Station, Coachella Valley, Colorado Desert Comment
  OBI2989  Abronia villosa Lewis S. Rose 1967-12-20 67184 Riverside 6 mi SE of Thousand Palms 9 Comment
  UC1093120  Abronia villosa Richard Snow 1956-7-13 317 Riverside near Hemet Meadow (on the Pines to Palms Highway) Comment
  UCR134595  Abronia villosa Marisa Sripracha, Kyle Boyd 2004-2-14 011 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  RSA32434  Abronia villosa var. aurita N. C. Cooper 1944-4-23 1103 Riverside Banning. 701 Comment
  RSA655629  Abronia villosa var. aurita A. C. Sanders 2000-3-19 23315 Riverside Diamond Valley, off old Rawson Rd. N of Crown Valley, on future bed of Diamond Val. Reservoir, now filling 485 Comment
  SD148115  Abronia villosa var. aurita A. C. Sanders, Mitch Provance 1999-9-26 23086 Riverside San Jacinto Mountains: Lake Hemet, north shore at FS day use area. 1323 Comment
  UCR234257  Abronia villosa var. aurita A. C. Sanders 2012-4-12 40024 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd. 314 Comment
  RSA461183  Abronia villosa var. villosa F. R. Fosberg 1932-3-13 8085 Riverside Thousand Palm Canyon, Coachella Valley Comment
  UCR251579  Abronia villosa var. villosa Jim Andre 2013-3-27 24840 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  CSUSB1008  Abutilon theophrasti Oscar F. Clarke 1967-6-9 Riverside O.F. Clarke residence, Spruce Street, in city of Riverside. Comment
  POM229033  Acamptopappus sphaerocephalus var. sphaerocephalus P. A. Munz 1937-5-29 15151 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  RSA696452  Acer macrophyllum Keith E. Hoffmaster 1934-4-8 138 Riverside Santa Ana Mts. Comment
  RSA564291  Achnatherum coronatum Ed LaRue 1993-5-10 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side of Hwy 215 457 Comment
  CAS-BOT-BC260327  Achnatherum hymenoides Ivan Johnston 1917-4-4 1098 Riverside Colorado Desert. Whitewater, about station Comment
  UC39984  Achnatherum occidentale H. M. Hall Jun 1 1901-Jul 1 1901 2325 Riverside near Tahquitz; San Jacinto Mts. 2682 Comment
  POM1070  Achnatherum speciosum J. D. Abrams 1901-05 990 Riverside Elsinore. Comment
  RSA359521  Achyrachaena mollis Steve Boyd 1986-3-9 1382 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain 427 Comment
  CAS-BOT-BC384730  Achyronychia cooperi Paul F. Covel 1938-4-21 1173 Riverside Cathedral City, east Palm Sprgs Comment
  RSA423490A  Achyronychia cooperi Howard Mullins 1931-4-11 s.n. Riverside Palm Springs (3 miles no.) Comment
  SJSU10123  Achyronychia cooperi T. N. Seeno 1963-4-12 276 Riverside Sky Valley 10-12 mi NNW of Palm Springs 426 Comment
  UCSB23492  Achyronychia cooperi Keefe, Joseph 1967-1-2 Riverside Campground; Salton Beach Park; northeast end of Salton Sea; southeast of Mecca -36 Comment
  CHSC109018  Acmispon glaber var. brevialatus Orlando Mistretta; D. Bell, J. Beckman, J. England, K. Kane, et al. 2010-4-12 4697 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) between N33.97538, W116.65161 and N33.97568, W116.65119. 600 Comment
  SD137777  Acmispon glaber var. brevialatus Darin L. Banks, Steve Boyd 1995-4-5 161 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove along the Dripping Springs Trail 609 Comment
  UCR256896  Acmispon grandiflorus var. grandiflorus LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6156 Riverside Peninsular Range; San Jacinto Mtns., Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley 1799 Comment
  SD137780  Acmispon micranthus Darin L. Banks, Steve Boyd 1995-4-5 136 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain east of the Dripping Springs Alcove along the Dripping Springs Trail, open hillside 609 Comment
  SEINET957535  Acmispon micranthus C. B. Wolf 1935-1 63115 Riverside Gavilan hills region. 2 mi. SW of Perris. 427 Comment
  UCD104470  Acmispon strigosus Nancy Ryan Zabriskie; Walter Zabriskie 1972-6-18 527 Riverside Along Fire Road S of S end of Marion Ridge Rd., Pine Cove, Idyllwild, San Jacinto Mtns. 1920 Comment
  UCR260555  Acourtia microcephala T. B. Salvato, Matt Malle 2014-5-29 8015 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  RSA0034641  Adenophyllum porophylloides Scott D. White 2001-4-3 8263 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  CAS-BOT-BC133137  Adenostoma fasciculatum Cecil Hart 1922-5-21 18 Riverside San Jacinto Pk. Comment
  SEINET3077253 Image available Adenostoma fasciculatum B. Pitzer 1986-5-24 231 Riverside Whitewater Canyon, ca. 5 mi N of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to ca. 0.25 mi N of hatchery boundary. 732 Comment
  UCR175074  Adenostoma fasciculatum Teresa Nieto 2005-5-26 25 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCR251946  Adenostoma fasciculatum Harun Bektas 2011-4-26 16 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  RSA711116  Adenostoma fasciculatum var. fasciculatum M. Wall, Del Wiens, Clyde Calvin 2005-12-4 408 Riverside At highway maintenance dirt road jct. along Highway 243, ca. 2.5 miles N. of Mountain Center. 1524 Comment
  OBI30248  Adenostoma sparsifolium G. B. Smith 1967-10-21 E 11 Riverside hwy 74, 5 mi S of Idylwild 1585 Comment
  UC186704  Adenostoma sparsifolium S. B. and W. F. Parish July, 1881 552 Riverside San Jacinto <Ms.> Comment
Read comments
Mar 1 2011
  UCR23515  Adenostoma sparsifolium John C. Roos 1936-9-15 2514 Riverside San Jacinto Mtns., Near the summit of the Pines to Palms Hwy 1494 Comment
  RSA711993  Agave A. C. Sanders 1984-8-6 5166 Riverside UCR Botanical Garden. 335 Comment
  RSA712690  Agave americana A. C. Sanders 1984-7-17 5106 Riverside O. F. Clarke residence at 1012 Spruce Street. 305 Comment
  UCR248025  Ageratina adenophora O. F. Clarke 2010-1 s.n. Riverside Peninsular Range, Riverside, UCR Botanic Garden 412 Comment
  UCR201681  Agoseris heterophylla Scott D. White, Justin M. Wood 2008-5-15 11959 Riverside San Jacinto Mountains, Garner Valley, northwest of Fobes Ranch Road and northeast of Hwy 74, valley bottom 1357 Comment
  RSA505020  Agoseris retrorsa D. Charlton 1988-5-21 1917 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  UC1409046  Agoseris retrorsa Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38105 Riverside above James Reserve; San Bernardino Natl. Forest, San Jacinto Mts., Hall Canyon 1676 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
  UCR265592  Agrostis scabra Jordan Zylstra 2014-7-6 14019 Riverside San Jacinto Mountains, Fobes Canyon 1524 Comment
  UCD117159  Ailanthus altissima Earl W. Lodthrop 1977-5-19 7681 Riverside Santa Ana Mountains. Base of Sierra Peak, facing Santa Ana Canyon, 1 mile NE of Coal Canyon. 167 Comment
Read comments
Apr 27 2013
  RSA552767  Alchemilla occidentalis Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6762 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 671 Comment
  RSA550335  Allionia incarnata Walter Wisura, John Dolan, M. Wall 1992-3-25 4653 Riverside Lowdesert: 2.7 miles S of prison on Wileys Well Road. Comment
  CAS-BOT-BC131983  Allium haematochiton Marcus E. Jones 1931-3-2 28594 Riverside Corona Comment
  RSA702415  Allium haematochiton Steve Boyd, Aydee Virgen 2004-4-13 10859 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR48386  Allium haematochiton Steve Boyd 1986-4-22 1780 Riverside Gavilan Hills, Summit of Estelle Mountain. 841 Comment
  JEPS34548  Allium lacunosum W. L. Jepson May 17 1901-Jun 1 1901 1392 Riverside Palm Canyon to Van de Venter's 1280 Comment
  RSA740236  Allium lacunosum var. davisiae Scott D. White, Justin M. Wood 2008-6-17 12191 -A Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  UCR215368  Allium marvinii Fred M. Roberts 2006-5-11 6333 Riverside Peninsular Range; Santa Ana Mtns., vicinity of Elsinore Peak, along Main Divide Truck Trail, 0.7 km west of summit of Elsinore Peak 1006 Comment
Read comments
Dec 12 2013
  RSA479529  Allium munzii Steve Boyd, Walter Wisura 1987-4-29 2071 Riverside Gavilan Hills, south of Ida-Leona Road, south of Harford Springs County Park 640 Comment
  UCR274314  Allophyllum Jennifer H. Jones, Scott D. White 2005-5-25 s.n. Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately north of San Diego County line 579 Comment
  UCD118012  Allophyllum divaricatum A. C. Sanders; P. MacKay, T. Thomas, O. Clarke 1997-5-4 20633 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 miles below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740. 1067 Comment
  RSA522081  Allophyllum glutinosum Steve Boyd, T. S. Ross, Kyle A. Boyd 1989-6-24 3747 Riverside Vail Lake area, near summit of 'Little Oak' Mtn. along road. 627 Comment
  LA204065  Alnus rhombifolia Louis C. Wheeler; 1933-12-2 2301 Riverside San Jacinto Mountains, Tahquitz Canyon 2438 Comment
  SDSU13508  Alnus rhombifolia W. Miller with C. Mosse 1972-7-19 Riverside 200 yards upstream of river, south side (from beaver dam). Comment
  SEINET10940478  Amaranthus David B. Dunn 1947-10-9 Dunn 3527 Riverside Joshua Tree National Monument at campground area by Hidden Valley. Comment
  UCR113562  Amaranthus cruentus Mitch Provance, A. C. Sanders 2000-7-4 2088 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  POM306175  Amaranthus fimbriatus Henry J. Ramsey, Henrt J. Ramsey 1939-11-28 s.n. Riverside Indio-(20 mi. east) 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
  UCR174337  Amaranthus powellii A. C. Sanders 1999-9-26 23104 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, along Hwy 74 at Horse Canyon Rd., toward east end of valley 1448 Comment
  RSA500136  Amaranthus retroflexus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3674 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  UCD97595  Amaranthus watsonii K. Esau 1935-6-22 s.n. Riverside Riverside. Comment
  UCR115993  Amaranthus watsonii A. C. Sanders, G. K. Helmkamp, Pam MacKay 1995-3-12 16077 A Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area along Ave. 78, 0.4 mi west of Hwy 86 and1.5 mi NW of Oasis, east of Filmore St. -37 Comment
  CAS-BOT-BC224908  Ambrosia acanthicarpa A. C. Sanders 2011-4-6 38991 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
  CAS-BOT-BC45012  Ambrosia confertiflora Louis C. Wheeler 1933-12-1 2278 Riverside Banning 731 Comment
  CAS-BOT-BC22584  Ambrosia dumosa Aven Nelson; Ruth Ashton Nelson 1939-3-28 3297 Riverside Near the north end of Salton Sea, highway 111 Comment
  RSA624016  Ambrosia dumosa Carol Roush 1963-4-9 9 Riverside Six miles south of Highway 111 on Highway 74; North-east foothills of the San Jacinto Mountains. 457 Comment
  UCR128943  Ambrosia dumosa Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UCR154036  Ambrosia dumosa L. McHargue 1966-11-25 s.n. Riverside Colorado Desert, 0.5 mi east of Ramon Road and 1000 Palms Canyon Road junction Comment
  UCR60795  Ambrosia dumosa Steve Boyd, O. Mistretta 1986-3-13 1420 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 244 Comment
  SEINET10882134  Ambrosia dumosa David B. Dunn 1946-3-15 Dunn 2041 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  UCR168321  Ambrosia salsola E. K. Balls 1949-4-2 12904 Riverside Sonoran (Colorado) Desert, towards Salton Sea near Durmid on Highway 111 -67 Comment
  UC1046273 Image available Ammoselinum giganteum P. A. Munz and D. Keck 1922-4-13 4930 Riverside Chuckawalla Valley; ; Chuckawalla Valley, Colorado Desert 152 Comment
  POM49026  Amorpha californica Charlotte M. Wilder 1905-4-14 s.n Riverside North slope of Jurupa Hills. Comment
  RSA0103091  Amorpha fruticosa Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8549 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  RSA192149  Amorpha fruticosa E. W. Lathrop 1966-5-8 6269 Riverside 5 miles west of Murrieta. Comment
  UCR119435  Amorpha fruticosa A. C. Sanders, Mitch Provance 1999-9-26 23089 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  UCSB23169  Amorpha fruticosa McMinn, Howard 1935-6-27 Riverside Palms to Pine Highway Comment
  JEPS29303  Amsinckia intermedia Rimo Bacigalupi and L. R. Heckard 1962-3-25 8398 Riverside 2 mi s of junction of road to Lake Mathews (near junction of state hwy 71 and Forest Service road to Santiago Peak, w slopes of Temescal Wash); Temescal Wash 274 Comment
  SBBG87472  Amsinckia intermedia A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6085 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckwalla Mtns 487 Comment
  SDSU17514  Amsinckia intermedia Jerry Jenkins 2001-4-1 2001 -026 Riverside Santa Margarita Ecological Reserve. Road to mine, UTM zone 6, 482900E, 3699600N. UTM transfered to GIS. Comment
  UCR20733  Amsinckia intermedia A. C. Sanders, Steve Boyd 1980-5-2 1398 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  SEINET12280464  Amsinckia intermedia J. F. Bright, Wyman, C. 1933-1 8045 Riverside near Palm Springs Comment
  UCR214892  Amsinckia retrorsa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37683 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  UCR1512  Amsinckia tessellata W. R. Moberly 1962-3-25 620325- 09 Riverside Sonoran (Colorado) Desert/ San Bernardino Mtns., 1 mile north of Whitewater, [from] Hwy 99 457 Comment
  RSA0091468  Amsinckia tessellata Steve Boyd, Sara Meury, Richard Noyes, Laurel Arnseth, D. Nordin, Tim Ross 1988-3-10 2150 Riverside N. end of Palen Mtns, 2 mi west of Palen Pass. 300 Comment
  JOTR30325  Amsinckia tessellata var. tessellata La Doux, Tasha, E. Babich, J. Galvin, B. Truesdell, N. Fraga, A. Miller, J. Van Warmerdam 2008-2-4 1769 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash. Open sandy wash near road heading to Cottonwood. 745 Comment
  UC1563007  Amsinckia tessellata var. tessellata Steve Boyd 1986-3-1 1372 Riverside 1/4 mi s Harford Springs County Park; Gavilan Plateau, Gavilan Hills 640 Comment
  UCR112317  Anthemis cotula A. C. Sanders 1998-5-21 21869 Riverside Hemet, alkaline flats west of town, along Stetson Ave. west of Warren Rd. 457 Comment
  JEPS26104  Antirrhinum coulterianum Peter H. Raven 1958-5-17 12942 Riverside 7.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  RSA304704  Antirrhinum coulterianum James R. Shevock 1970-4-25 156 Riverside Coldwater Trail 579 Comment
  RSA425776  Antirrhinum coulterianum Ora M. Clark 1929-3-16 1686 Riverside Near Cabazon, Colorado Desert. 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
  UCR280623  Antirrhinum coulterianum Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 13 Riverside Gavilan Hills, Alberhill Canyon, tower site 0.3 miles east of dirt road portion of Lake St., about 0.8 miles NNE of Lake St. and Walker Canyon Rd. 497 Comment
  RSA650898  Antirrhinum filipes W. M. Zabriskie 1973-4-4 s.n. Riverside East slope of San Jacinto Mountains, Andreas Canyon area, on trail toward Eagle Peak. 732 Comment
  RSA585508  Antirrhinum kelloggii D. L. Banks, Steve D. Boyd 1995-5-9 369 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  SDSU13330  Antirrhinum kelloggii Tom Duffy, Tarja Sagar 2000-4-29 Riverside Two hundred meters NE of Stanta Margrita Ecological Reserve North End. 320 Comment
  UCR151067  Antirrhinum nuttallianum Scott D. White 1998-6-17 6750 Riverside Peninsular Ranges; Gavilan Hills, along Gavilan Rd. or Santa Rosa Mine Rd.; c. 7 mi survey route from Gavilan/ Cajalco Rd. junction. south and east to Santa Rosa Mine/ Post Rd. junction 671 Comment
  RSA583743  Antirrhinum nuttallianum subsp. nuttallianum Steve D. Boyd 1995-4-24 8488 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
  UC1424878  Antirrhinum nuttallianum subsp. nuttallianum C. W. Tilforth 1978-4-30 1564 Riverside East of Norco Comment
  UC1536018  Antirrhinum nuttallianum subsp. nuttallianum Robert F. Thorne and Earl Lathrop 1975-5-25 45547 Riverside Rancho California Santa Rosa Plateau, Mesa de Burro (Mesa de Burro) 609 Comment
  UCR177421  Apiastrum angustifolium Scott D. White, Michael Honer 2003-4-4 8946 Riverside Peninsular Ranges; Perris-Aguanga Basin, Temescal Canyon, dissected bajada bench, below and east of Horsethief Canyon, immediately south of I-15 Fwy 427 Comment
  UCR19389  Apiastrum angustifolium C. S. Papp 1960-5-17 21 Riverside Elsinore Comment
  UC22885  Apocynum androsaemifolium H. M. Hall August, 1901 2595 Riverside vicinity of Tamarack Valley Tamarack Valley; San Jacinto Mts. 2560 Comment
  SEINET238559  Arabis perennans George K. Helmkamp 1998-6-27 4112 Riverside Santa Rosa Mtns.: 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. below Mountain Home Spring. 1799 Comment
  POM48597  Arceuthobium campylopodum Mary F. Spencer 1919-6-25 1078 Riverside [Unspecified] 1677 Comment
  RSA683091  Arceuthobium campylopodum Scott D. White, T. B. Salvato, L. V. DeMarco, Jessica Christian 2001-6-30 8651 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
  RSA629352  Arctostaphylos glandulosa Jon E. Keeley 1978-9-16 7257 Riverside Road to Black Mountain off Highway 243. 1600 Comment
  RSA629363  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16832 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  RSA629465  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16833 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  RSA1555  Arctostaphylos glandulosa subsp. zacaensis J. T. Howell 1928-7-8 1053 Riverside Santa Ana Mountains above Glen Ivy 1524 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
  RSA631823  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20104 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  UCR140686  Arctostaphylos glauca Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 8- 62 Riverside San Jacinto Mtns, San Bernardino National Forest, Hwy 74 near Cranston Guard Station, 10 miles east of Hemet, Site L8 581 Comment
  RSA0120001  Arctostaphylos parryana Duncan S. Bell, Thomas Stoughton 2016-4-13 9254 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  RSA633530  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20147 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633546  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21780 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633568  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16634 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA635198  Arctostaphylos parryana subsp. tumescens Jon E. Keeley 1992-7-17 16775 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA635642  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-17 16725 Riverside Hwy 74, 4.3 km west of road (7S02) to Santa Rosa Mtn. 1470 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
  UC21864  Arctostaphylos pringlei subsp. drupacea H. M. Hall July 1901 2311 Riverside near Tauquitz; San Jacinto Mountains 2194 Comment
  UC876569  Arctostaphylos pringlei subsp. drupacea I. W. Clokey and E. G. Anderson 1935-8-21 6784 Riverside Fuller's Creek 1500 Comment
  UCSB4719  Arctostaphylos pringlei subsp. drupacea Newby, Ron 1959-5-16 Riverside 5 miles N of Idyllwild on trail to Mt. San Jacinto Saddle, 2 miles up the trail; San Jacinto Mountain Range 2590 Comment
  CSUSB1396  Arctostaphylos pringlei var. drupacea Markell Kohn 1959-4-19 Riverside On Banning- Idllywild Road, 2.8 miles north (below) of Grande Vista Ranger Station. Comment
  RSA635771  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16747 Riverside Rd. to Thomas Mtn. (5S15), 2.7 km west of Hwy. 74 on Pyramid Peak Rd., San Jacinto Mountains. 1480 Comment
  RSA635773  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16580 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA635801  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16519 Riverside Red Mountain Road, 1.8 km east of R3. 850 Comment
  RSA636008  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19555 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636011  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19559 Riverside Carancho Rd., W. of Temecula. 440 Comment
  UCR209397  Arctostaphylos rainbowensis Fred M. Roberts 2007-4-13 6516 Riverside Santa Ana Mountains, south of Mesa de Colorado on the Santa Rosa Plateau, north side of El Calamar Road and Via Escalon, 0.8 km west-northwest of the summit of Mesa de La Punta 447 Comment
  RSA210979  Argemone munita C. W. Tilforth 1969-7-25 218 Riverside Terwilliger Road. Terwilliger Valley, se of Anza Comment
  SBBG2312  Argemone munita H. and M. Dearing 1940-6-7 4339 Riverside near Ribbonwood on Palms to Pines Hwy Comment
  RSA736796  Argemone munita subsp. munita Scott D. White, Angelia Carey 2004-7-2 10568 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA339663  Argythamnia serrata C. W. Tilforth 1980-5-28 54166 Riverside San Bernardino Mountains: Dry Colorado Desert slopes, S-facing and W-facing, N0S rocky rifge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 mile E of Whitewater Post Office. On rocky ridge at S end. Comment
  JOTR35289  Aristida adscensionis Andre, Jim 2012-4-11 20782 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  LA9309  Aristida adscensionis Louis C. Wheeler; 1931-11-26 373 Riverside Salton Bench Mark -15 Comment
  RSA719236  Aristida adscensionis Michael Honer, L. Hulse 2004-4-3 1916 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. 610 Comment
  SEINET191852  Aristida adscensionis C. L. Hitchcock 1940-3-30 5878 Riverside Cottonwood Spring Comment
  SEINET10467839  Aristida adscensionis Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-20 Holmgren 6418 Riverside Big maria mtns, 12 airline mi n of downtown blythe. T4s, r22e, sec 35, locally Frequent along gully in gravelly soil. 290 Comment
  SEINET4342621  Aristida californica N. D. Atwood 1993-3-27 17690 Riverside Sandy benches above and adjacent to coast. Corona Del Mar State Park along Newport coast Drive 30 Comment
  SEINET229273  Aristida californica var. californica L. M. Shultz, JS Shultz 1985-4-15 8245 Riverside Chuckawalla Valley depression along Wiley's Well Road 122 Comment
  CLARK-A1528-4488  Aristida purpurea var. glauca John C. Roos 1946-9-14 3029 Riverside San Jacinto Mountains 1188 Comment
  RSA543187  Aristida purpurea var. nealleyi Steve Boyd 1991-3-17 5504 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
  RSA388061  Artemisia californica Steve Boyd 1985-12-24 1194 Riverside Gavilan Hills, Hartford Springs County Park, at south end of park. Comment
  SD48524  Artemisia californica E. K. Balls, P. C. Everett 1957-11-4 22755 Riverside Snow Creek 609 Comment
  UC129480  Artemisia ludoviciana subsp. incompta H. M. Hall 1907-7-2 8006 Riverside vicinity of Riverside; Santa Ana River bottoms 274 Comment
  RSA38359  Artemisia tridentata Philip A. Munz 1946-10-19 11565 a Riverside Coahuila 1098 Comment
  RSA650423  Artemisia tridentata R. Garner 1947-7-1 s.n. Riverside San Jacinto Mts. Comment
  SD229067  Artemisia tridentata Dick Schwenkmeyer 2012-3-26 675 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx Ao mile north of Highway 74, just east of Morris Ranch Road. 1356 Comment
  RSA0040026  Asclepias albicans Duncan S. Bell, Evan Meyer 2014-4-1 6488 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; center of this range; approximately 4.75 air miles northwest of Gucci Spring; approx. 5 air miles north of the Bradshaw Trail. 759 Comment
  RSA401651D  Asclepias californica E. Crow 1929-4-21 335 Riverside North of Alberhill Comment
  RSA699312  Asclepias californica Pomeroy 1929-5-11 s.n. Riverside Between Lake Elsinore and Glenn Ivy. Comment
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Oct 22 2011
  RSA773105  Asclepias californica Duncan S. Bell, Joy England 2010-6-14 1297 Riverside San Bernardino National Forest: Garner Valley, approximately 3 air 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. 1384 Comment
  POM12026  Asclepias eriocarpa Mary F. Spencer 1921-7-7 965 Riverside Tahquitz trail. Idyllwild Comment
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Aug 17 2011
  UCR114204  Asclepias eriocarpa A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23643 Riverside Perris-Aguanga Basin Region, French Valley, dry flats and rolling hills at E end of French V. Airport, along gasline right of way 409 Comment
  SD56841  Asclepias erosa Darley F. Howe 1963-5-15 3482 Riverside 18 miles east of Desert Center. 185 Comment
  UCR133005  Asclepias fascicularis John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  UCR4504  Asclepias fascicularis John Dean 1965-7-28 s.n. Riverside Eastern Colorado Desert, 10 mi. north of Blythe on US Hwy 95 Comment
  CLARK-A1528-124  Asclepias mexicana John C. Roos 1951-10-24 5333 Riverside Riverside 228 Comment
  RSA0086466  Asparagus officinalis Mitch Provance 2013-4-8 413 -13 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave. 226 Comment
  RSA417617  Aster alpigenus var. andersonii M. B. Dunkle 1933-7-22 3738 Riverside Tahquitz Valley. 2317 Comment
  POM153374  Aster frondosus Philip A. Munz, I. M. Johnston 1928-9-12 11246 Riverside North end of Lake Elsinore. Comment
  UCR125297  Aster subulatus A. C. Sanders 2002-11-21 25631 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 457 Comment
  UCR214703  Astragalus aridus A. C. Sanders 2010-3-23 37539 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  CAS-BOT-BC178634  Astragalus coccineus Edmund C. Jaeger 1921-4-2 s.n. Riverside Upper reaches of Deep Creek, Santa Rosa Mts. 1371 Comment
  CAS-BOT-BC177731  Astragalus crotalariae Marcus E. Jones 1906-4-20 s.n. Riverside Borrego Spring 1066 Comment
  UC862667  Astragalus didymocarpus var. dispermus Alice Eastwood 1913-4-30 3058 Riverside Palm Springs Comment
  PASA2725  Astragalus douglasii Margaret Stason 1931-5-24 Riverside Pine woods, Idyllwild Comment
  RSA185773  Astragalus douglasii var. parishii I. L. Wiggins 1966-6-4 20670 Riverside 2 miles SW of Idyllwild 1622 Comment
  CAS-BOT-BC182948  Astragalus filipes Carl B. Wolf 1931-5-11 1952 Riverside Near Pipe Creek, Hemet Valley, San Jacinto Mts. 1615 Comment
  RSA415713  Astragalus filipes N. C. Cooper 1944-7-15 1595 Riverside Palms to Pine Hwy 1463 Comment
  UC13322  Astragalus filipes H. M. Hall June, 1901 2164 Riverside Thomas Valley , Thomas Valley (San Jacinto Mountains) 1371 Comment
  CAS-BOT-BC186902  Astragalus insularis var. harwoodii C. L. Hitchcock 1966-3-21 24331 Riverside 15 mi. s. of Rice, on dirt road to Blythe Comment
  RSA776935  Astragalus insularis var. harwoodii Amber Swanson, Duncan S. Bell 2011-3-18 218 Riverside About 3 airmiles SE of Desert Center, N of Chuckwalla Mtns. 392 Comment
  RSA0037331  Astragalus insularis var. harwoodii John C. Roos 1958-3-15 s.n. Riverside Chuckwalla Mtns., 3 miles SE of Desert Center. Comment
  POM24940  Astragalus lentiginosus var. coachellae H. M. Hall 1905-4-14 5757 Riverside Whitewater, on the Colorado Desert. 240 Comment
  UCR182558  Astragalus lentiginosus var. coachellae Linda Archer 2006-5-3 s.n. Riverside Sonoran (Colorado) Desert; Coachella Valley, SW edge of Desert Hot Springs, east of Morongo Wash 293 Comment
  UCR208171  Astragalus lentiginosus var. coachellae H. D. Ripley, R. C. Barneby 1942-4-2 4271 Riverside Sonoran (Colorado) Desert, Palm Springs 137 Comment
  CAS-BOT-BC187376  Astragalus lentiginosus var. variabilis Peter H. Raven 1958-5-5 12903 Riverside To the west of Split Rock Tank, Joshua Tree National Monument Comment
  RSA0124744  Astragalus nuttallianus var. imperfectus Duncan S. Bell, LeRoy Gross 2016-3-9 8841 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  UCR100780  Astragalus pachypus var. jaegeri Robert Noll 1998-6-17 s.n. Riverside San Jacinto Mountains, Rouse Hill Road on Rouse Ridge, south of Cranston Guard Station 1037 Comment
  CHSC835  Astragalus palmeri V. Holt 1942-3-28 Riverside Santa Rosa mountains. 609 Comment
  UC63675  Astragalus palmeri H. M. Hall May 17 1901-Jun 1 1901 1831 Riverside Below Cottonwoods to Palm Canyon 914 Comment
  RSA415658  Astragalus pomonensis N. C. Cooper 1944-5-21 1237 Riverside Hemet. 549 Comment
  RSA681882  Astragalus pomonensis Scott D. White 2001-3-13 8161 Riverside Perris / Elsinore Basin: Menifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. 442 Comment
  SD114770  Astragalus pomonensis Wayne P. Armstrong 1982-4-4 Riverside Hillsides west of Sun City housing development, west end - McCall Blvd. 424 Comment
  UCR281790  Astragalus pomonensis Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-19 417- 99 Riverside Menifee Valley, Menifee, W side of Murrieta Rd., between Melido St. and Wickerd Rd. 482 Comment
  UCR91989  Astragalus pomonensis Michael A. Patten 1993-4-28 s.n. Riverside Murrieta, 3/4 mi. NW of California Oaks Road, 1/8 mi. NE of Interstate Hwy 15 366 Comment
  CAS-BOT-BC193172  Astragalus sabulonum Ira L. Wiggins 1938-3-19 8901 Riverside Colorado Desert 25 mi. W. of Blythe Comment
  RSA772581  Astragalus tricarinatus Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5052 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
  CAS-BOT-BC66102  Athyrium filix-femina var. cyclosorum Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mt. Comment
  POM248395  Atriplex Philip Crow 1939-7-16 s.n. Riverside Blythe Comment
  UCR89777  Atriplex argentea Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  RSA356892  Atriplex canescens R. F. Thorne 1966-10-15 41790 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  SD143554  Atriplex canescens R. D. Goeden, D. W. Ricker 1978-11-16 Riverside Coachella Valley: Indio, Monroe St. 6 Comment
  SFV11874  Atriplex canescens R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  JOTR34467  Atriplex canescens subsp. canescens La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3157 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring 914 Comment
  JOTR01004  Atriplex canescens subsp. canescens Cole, James E. 1941-10-20 933 Riverside Joshua Tree National Park. OPTIMIST MINE ROAD, LOST HORSE VALLEY 1310 Comment
  CLARK-A1528-395  Atriplex canescens subsp. linearis Frank C. Vasek 1969-10-14 Riverside Riverside Comment
  POM202638  Atriplex canescens var. laciniata W. M. Ingram 1934-10 9 Riverside Caleb Comment
  RSA452446  Atriplex canescens var. laciniata L. C. Wheeler 1931-11-27 379 Riverside 2 miles SE of Salton Bench Mark. -76 Comment
  RSA696734  Atriplex canescens var. laciniata J. R. Bruff 1927-10-8 s.n. Riverside Thousand Palms. Comment
  UCR85573  Atriplex coronata var. notatior Julie A. Greene 1993-6-11 1361 Riverside San Jacinto Valley, San Jacinto Wildlife Area, north side of San Jacinto River levee, west of Davis Road 436 Comment
  CLARK-A1528-2520  Atriplex hymenelytra John C. Roos 1947-2-1 3221 Riverside Painted Canyon Comment
  SD127576  Atriplex hymenelytra David Charlton 1988-2-19 1202 Riverside Orocopia Mountains; Mudstone wash north of Mecca Hills, Box Canyon on road from Cottonwood Wash to Mecca. 459 Comment
  JEPS59604  Atriplex lentiformis W. L. Jepson 1914-5-21 6038 Riverside Indio Colorado Desert, Indio 7 Comment
  RSA612719  Atriplex parishii H. C. Stutz 1994-10-17 9693 Riverside W side of Hemet, 100 yards East of California Street terminus Comment
  RSA653589  Atriplex prostrata A. C. Sanders, D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23181 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  UCD97657  Atriplex rosea D. E. Bramlet; D. J. Bradney 1989-7-3 1930 Riverside Perris-Aguanga Basin region; Diamond Valley, just north and east of Searl ranch buildings. 482 Comment
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Aug 18 2018
  SBBG72594  Atriplex semibaccata M. N. Ackley 1928-3-25 105 Riverside Indio -4 Comment
  RSA33312  Atriplex serenana N. C. Cooper 1943-10-9 957 Riverside Hemet. 304 Comment
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Apr 29 2011
  RSA557310  Atriplex serenana Julie Greene, S. Boyd, D. Bramlet, H. Flores, H. Ochoterana 1993-7-9 1409 Riverside San Jacinto Wildlife Area. 433 Comment
  UCR167833  Atriplex serenana T. B. Salvato, Melissa Clemons 2005-6-23 1305 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  CLARK-A1528-4497  Avena fatua John C. Roos 1952-4-9 5472 Riverside Riverside 274 Comment
  SD137968  Avena fatua Darin L. Banks, Steve Boyd 1995-5-9 321 Riverside NW Palomar Mtns, N of the Agua Tibia Wilderness Area, N slope of Agua Tibia Mtns, the Dorland Mt., area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground 730 Comment
  UCR174341  Avena fatua A. C. Sanders 2006-5-19 32398 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
  UCR202437  Avena fatua Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  JOTR31822  Ayenia compacta La Doux, Tasha, Bill Truesdell 2007-11-9 2527 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
  JOTR32849  Baccharis brachyphylla La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1169 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Queen Mountain, near north entrance to park; basalt rocky slopes 946 Comment
  OBI16986  Baccharis brachyphylla Robert F. Hoover 1966-10-15 10171 Riverside Dead Indian cyn Comment
  RSA0015687  Baccharis brachyphylla Duncan S. Bell 2013-9-29 6045 Riverside Chuckwalla Mountains; on the south side of Corn Springs Wash approximately 1.8 air miles southwest of Corn Spring. 648 Comment
  UC774846  Baccharis brachyphylla Carl B. Wolf and P. C. Everett 1942-10-13 11436 Riverside 3/10 mi below San Bernardino County line Morongo Pass 670 Comment
  RSA44349  Baccharis emoryi W. I. Follett 1948-10-31 s.n. Riverside 7.3 miles W & 7.4 miles S of Blythe Comment
  CLARK-A1528-1626  Baccharis glutinosa John C. Roos 1949-9-21 4664 Riverside Reche Canyon 457 Comment
  IRVC524  Baccharis glutinosa Bob Savage 1965-5-2 s.n. Riverside Joshua Tree Little San Bernardino Mountains Comment
  CAS-BOT-BC106748  Baccharis salicifolia W. R. Dudley 1903-12-26 s.n. Riverside Palm Canyon [Canon] 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
  SDSU13346  Baccharis salicifolia subsp. salicifolia Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 31 Riverside Santa Margarita Ecological Reserve (SDSU). Near the center of the Gorge, west of the pipe line crossing. 239 Comment
  SDSU13511  Baccharis salicifolia subsp. salicifolia W. Miller with C. Mosse 1972-7-19 Riverside Comment
  CAS-BOT-BC106630  Baccharis salicina Carl B. Wolf 1931-3-13 1084 Riverside Colorado Desert, in old cotton field, 2 mi. north of Blythe 152 Comment
  SEINET946176  Baccharis salicina O. F. Clarke 1970-1 Riverside Botanic Gardens of the University of California, Riverside Comment
  UCR241396  Baccharis salicina T. B. Salvato 2013-3-22 7391 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
  CAS-BOT-BC99865  Baccharis sergiloides A. C. Sanders; Pam MacKay; Tim Thomas; O. F. Clarke; et al. 1996-11-23 19660 Riverside San Bernardino Mtns.: Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish 534 Comment
  CAS-BOT-BC99873  Baccharis sergiloides L. A. Greata 1904-9-1 s.n. Riverside Banning Comment
  IRVC14322  Baccharis sergiloides L. McHargue 1971-10-23 none Riverside Whitewater Cove: northern shore of the Salton Sea, 6 miles south of Mecca, wet, saline clay loam soil. Sonoran Desert -70 Comment
  IRVC508  Baccharis sergiloides R. H. Whittaker, W. A. Niering 1963-6-7 SJ 283 Riverside slope SE-5o wash, sand alluvial soil. 1037 Comment
  SEINET899352  Baccharis sergiloides C. B. Wolf 1932-1 4270 Riverside Colorado Desert. Little San Bernardino Mts. Morongo Wash, 3/10 mi. below San Bernardino Co. line 671 Comment
  VVC1349  Baccharis sergiloides A. C. Sanders, J. Mac 1996-11-23 19660 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  RSA602486  Bahia absinthifolia D. Koutnik 1996-7-19 s.n. Riverside Univ. of CA, Riverside, UCR Botanical Garden. 854 Comment
  POM182202  Bahiopsis parishii Philip A. Munz 1932-4-24 12387 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  SJSU1903  Bahiopsis parishii J. W. Tilden 1957-4-18 1098 Riverside in near vicinity of Whitewater E of San Gorgonio Pass Comment
  UCR48473  Bassia hyssopifolia Steve Boyd 1986-4-19 1716 Riverside Peninsular Range, Temescal Canyon, Warm Springs Valley, Alberhill Creek east of Nichols Road 366 Comment
  RSA117707  Bebbia juncea S. Carlquist 1958-3-30 426 Riverside Below summit of Morongo Pass, on Hwy from Palm Springs to Morongo Valley Comment
  UCR128941  Bebbia juncea Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UCR161438  Bebbia juncea A. C. Sanders, Mike Misenhelter 2005-9-20 31683 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  UCR40513  Bebbia juncea Steve Boyd 1985-7-23 1021 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 8.5 mi. west of Rancho California 275 Comment
  UCR52151  Bebbia juncea Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2151 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  CAS-BOT-BC100140  Bebbia juncea var. aspera H. M. Hall 1901-6-1 2010 Riverside Canyon of the San Jacinto River 762 Comment
  JEPS19301  Bebbia juncea var. aspera W. L. Jepson 1914-5-1 6024 Riverside County Well Colorado Desert, Cottonwood Mts. Comment
  JEPS19303  Bebbia juncea var. aspera W. L. Jepson 1901-5-22 1410 Riverside Palm Canon San Jacinto Mts. Comment
  RSA780490  Berberis nevinii Naomi Fraga, Baby Snigdha, Josh Paolini 2010-6-17 3496 Riverside Oak Mountain Summit. 598 Comment
  UCR67367  Berberis nevinii Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3908 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of Lake 823 Comment
  RSA653654  Bergia texana A. C. Sanders, Mitch Provance 1999-9-26 23132 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. [UTM 10km cell: 11S MH-9E, 4N. Mt. Rudolph] 433 Comment
  OBI14422  Bernardia myricifolia Annie M. Alexander; Louise Kellogg, Louise Kellogg 1941-5-10 2144 Riverside 3 mi NE Cottonwood Spring, Eagle Mts 1036 Comment
  SBBG81103  Bidens laevis S. Cantrell, W. Appleby 1985-9-19 Riverside Santa Ana River Regional Park, Riverside, S side of river; T2S, R5W SW 1/4 S30 207 Comment
  CAS-BOT-BC478937  Bloomeria crocea var. crocea Steve Boyd 1986-4-22 1762 Riverside Temescal Canyon, terrace escarpment W side of Indian Wash, S of I-15 Comment
  POM49150  Boechera californica P. A. Munz 1924-5-18 8136 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  RSA482681  Boechera californica R. S. Woglum 1941-6-12 3059 -A Riverside Idyllwild Comment
  RSA0123695  Boechera perennans Duncan S. Bell, LeRoy Gross 2016-3-30 9163 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  RSA339256  Boerhavia intermedia Robert F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-23 53600 Riverside Pinto Basin Road: Along road at meeting area of Mojave and Colorado Deserts 1098 Comment
  UCR43706  Boerhavia triquetra R. F. Thorne, R. Dahlgren 1979-8-22 53571 Riverside Joshua Tree National Monument, just south of San Bernardino Co. line near jct of road to Split Rock and 29 Palms, valley west of Pinto Mtns. 1098 Comment
  RSA594210  Boerhavia triquetra var. intermedia L. B. Ziegler 1967-8-26 s.n. Riverside Pinyon Flats Comment
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Feb 20 2009
  UCD170384  Bolboschoenus maritimus subsp. paludosus Mitch Provance 2012-11-3 1112- 05 Riverside San Timoteo Canyon: West Beaumont, N side of Oak Valley Parkway (San Timoteo Canyon Rd.), 1.5 miles W of I-10. 709 Comment
  UCD150437  Bolboschoenus robustus A. W. Miller 1958-3-8 s.n. Riverside NE corner Salton Sea. Comment
  CLARK-A1528-1266  Bothriochloa barbinodis E. W. Lathrop 1965-4-26 Riverside Comment
  RSA526165  Bothriochloa barbinodis Steve Boyd, Timothy S. Ross 1990-5-11 4668 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
  UCR26656  Bothriochloa barbinodis E. W. Lathrop 1966-3-23 6086 Riverside Peninsular Range; Santa Ana Mtns, Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  CLARK-A1528-4512  Bouteloua barbata John C. Roos 1946-9-14 3025 Riverside San Jacinto Mountains 1219 Comment
  RSA701038  Bouteloua barbata var. barbata J. Travis Columbus, R. K. Benjamin, C. D. Columbus, M. D. Wall 1999-6-10 3206 Riverside U.S.A., California, Riverside Co., Valle Vista (just E of Hemet), along Bautista Rd. 0.8 rd. mi. E of jct. with Fariview Ave., area cultivated in citrus. 600 Comment
  UCSB18911  Bouteloua curtipendula Keefe, Joseph 1965-5-18 Riverside Pinyon Flats Campground, S of Palm Desert 1432 Comment
  RSA118960  Brandegea bigelovii L. S. Rose 1957-1-8 s.n. Riverside Pal Desert 91 Comment
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Feb 20 2013
  RSA394238  Brandegea bigelovii Christopher Davidson, J. Jones 1980-4-4 9943 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  SD44855  Brandegea bigelovii Darley F. Howe 1952-4-27 2188 Riverside Box Canyon, E of Mecca Comment
  UC193128  Brandegea bigelovii E. E. Schellenger 1894-12-3 87 Riverside Colorado Desert, Chuckwalla Wash Chuckwalla Wash; Colorado Desert, Chuckwalla Wash Comment
  UC635681  Brandegea bigelovii H. L. Mason 1928-3-10 4213 Riverside Coachella Mountains, Hidden Springs Canyon Hidden Springs Canyon; Coachella Mountains, Hidden Springs Canyon Comment
  UC68780  Brandegea bigelovii H. M. Hall Apr. 1905 5948 Riverside Colorado Desert, McCoy Wash 91 Comment
  RSA0009725  Brandegea bigelovii Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well. Comment
  CSUSB496  Brassica geniculata K. W. Brown 1966-4-7 S.N. Riverside Highway 71. 0.8 miles E. Dripping Spring Camp (12.4 miles east of Temecula) 487 Comment
  UCR85644  Brassica nigra A. C. Sanders 1993-4-5 13692 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
  UC50321  Brassica rapa H. M. Hall 1903-4-1 3816 Riverside vicinity of Riverside; Southern California 304 Comment
  JOTR33999  Brassica tournefortii La Doux, Tasha, M. Harding 2010-4-7 2887 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  UCR89832  Brassica tournefortii George K. Helmkamp 1994-3-10 42 6 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  UC1329827  Brickellia atractyloides James E. Cole 1941-5-23 776 Riverside Split Rock Area Joshua Tree National Monument 1280 Comment
  JOTR30932  Brickellia californica La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1413 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  SD127532  Brickellia californica Reid Moran 1967-11-7 14646 Riverside 7 mi W Radec 399 Comment
  CAS-BOT-BC106191  Brickellia desertorum John Roos; Lucille Roos 1950-9-9 4986 Riverside Mt. Rubidoux, Riverside 396 Comment
  RSA586250  Brickellia desertorum R. E. Riefner 1995-11-4 95385 Riverside S of Clay Canyon Rd. off I-15 Wierick exit, E of Corona Comment
  UCR163887  Brickellia desertorum B. G. Pitzer 2001-11-4 4350 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  UCR60372  Brodiaea jolonensis R. Balsamo 1989-5-7 s.n. Riverside Santa Ana Mtns/Santa Rosa Plateau, The Nature Conservancy's Santa Rosa Plateau Preserve, 4.1 mi west of Hwy I-15 on Clinton Keith Rd., directly across the road from vernal pools 762 Comment
  RSA771811  Brodiaea santarosae Steve Boyd 2010-5-26 12277 Riverside Elsinore Peak, south slope, just north of trail along old Main Divide Road and east of road up to communications towers 1037 Comment
  SEINET244299 Image available Bromus arenarius A. C. Sanders, Mitch Provance; T. B. Salvato 2001-5-9 24211 Riverside Perris-Aguanga Basin; Hemet., SE of intersection of State St and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi SSW of Hemet Butte. 500 Comment
  UC69352  Bromus carinatus var. carinatus H. M. Hall 1901-7 2408 Riverside San Jacinto Mountains, Tamarack Valley Tamarack Valley; San Jacinto Mountains, Tamarack Valley 2926 Comment
  UCR91522  Bromus diandrus Scott D. White 1996-3-31 3847 Riverside Lake Skinner area, Riverside Land Conservancy conservation easement site, c. 0.5 air mi south of the reservoir, near East Benton Road 534 Comment
  UCR193555  Bromus grandis A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35664 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 1555 Comment
  UCR171969  Bromus hordeaceus John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  UC1537242  Bromus madritensis subsp. rubens Gordon H. True Jr. 1935-3-11 107 Riverside Sycamore Canyon, Box Springs Box Springs; Sycamore Canyon, Box Springs 365 Comment
  UCR2225  Bromus marginatus F. M. Reed 1908-7-11 2503 Riverside San Jacinto Mtns., on trail to [San Jacinto] peak above Round Valley 3079 Comment
  UCR138140  Bromus rubens D. L. Banks, V. W. Steinmann 1997-3-13 1419 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  UCR4167  Bromus rubens R. H. Sauer 1965-4-21 s.n. Riverside Peninsular Range, Riverside, [foot of Box Springs Mtns.] east end of Big Springs Road 366 Comment
  SEINET13203179 Image available Cactaceae Marc A. Baker, Michelle Cloud, Hughes 2015-1 18297 .1 Riverside Chuckwalla Mountains, 4.1km WNW of Corn Spring, 630m NE of Aztec Well, 71km west of central Blythe, narrow valley floor 834 Comment
  SBBG133350  Caesalpinia gilliesii S. D. White, A. Carey 2004-7-2 10577 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Poppet Crk Cyn 549 Comment
  CHSC852  Caesalpinia virgata V. Holt 1942-3-29 Riverside Indio. 152 Comment
  GMDRC3556  Caesalpinia virgata J. Andre, T. La Doux 2009-2-28 10842 Riverside Coachella Valley: along lower Berdoo Cyn Rd just S. of JTNP boundary, approx 1.5 mi. N. of Dillon Rd. USGS 7.5 min. Quad: West Berdoo Canyon 33 deg. 48.718' N 116 deg. 10.322' W. Elev. 1027 ft. 313 Comment
  RSA27032  Caesalpinia virgata C. L. Hitchcock 1940-3-29 5850 Riverside 12 miles east of Indio. Comment
  RSA676052  Caesalpinia virgata Scott D. White 2001-4-3 8260 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCR25957  Caesalpinia virgata John C. Roos 1947-3-15 3353 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains, mouth of Deep Canyon at foot of mtns. 366 Comment
  UCR138643  Calandrinia ciliata D. L. Banks 1997-2-17 1272 Riverside Agua Tibia Mtns., NW Palomar Mountains: burned areas in the Temecula community of Redhawk, south of the intersection of Redhawk Parkway and Tehachapi Pass Road 396 Comment
  UCR249821  Calandrinia ciliata T. B. Salvato, John Lovio 2013-3-19 7359 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  UCR84588  Calandrinia ciliata Scott D. White, S. Ogg 1994-4-21 1970 Riverside San Bernardino Mountains, Millard Canyon, near stream crossing with US Forest Service Road 2S05, about 4 mi south of Bear Wallow Spring 915 Comment
  UCR60635  Callitriche heterophylla subsp. bolanderi R. F. Thorne 1973-5-23 43876 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  UCR266789  Callitriche heterophylla var. bolanderi Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 06 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  RSA85454  Callitriche marginata J. C. Roos 1952-4-16 5540 Riverside Edgemont, near Box Springs. 488 Comment
  UC1409149  Callitriche marginata Robert F. Thorne and Earl Lathrop 1969-5-12 37925 Riverside Santa Rosa Plateau on south end of Mesa de Colorado, Rancho California. 624 Comment
  UCD132935  Calocedrus decurrens Lionel A. Stange 1956-5-13 s.n. Riverside San Jacinto Mountains, Dark Canyon campground. Comment
  UCR107820  Calochortus albus D. L. Banks 1997-5-5 2001 Riverside NW Palomar Mtns, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pachanga Creek. east of where road crosses to southern bank of south fork of Pechanga Creek. 482 Comment
  POM122635  Calochortus concolor Marcus E. Jones 1925-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  CAS-BOT-BC488543  Calochortus concolor Philip A. Munz; P. C. Everett 1950-6-23 14907 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains 1402 Comment
  RSA784189  Calochortus nuttallii J. D. Olmsted 1959-7-1 700 Riverside Willow-Tahquitz Creek. Wellmans Cienega between saddle and San Jacinto Peak along trail 5 mi NE of Idyllwild. 2805 Comment
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Oct 18 2012
  CAS-BOT-BC132462  Calochortus plummerae Mitch Provance 1998-6-9 631 Riverside Jurupa Mountains: SE Pyrite Canyon, ca .3 NW of the Jurupa Mountains Culture Center 366 Comment
  UCR178202  Calochortus plummerae Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 644 Riverside San Bernardino Mtns., Morongo Indian Reservation, ridge east of upper Hathaway Canyon, west of Burro Flats 1037 Comment
  RSA659415  Calochortus splendens Marcy Keys 1981-5-16 64 Riverside 2 miles southeast of Lake Elsinore where Arbalado Lane runs into foothills. 404 Comment
  CAS-BOT-BC483508  Calochortus splendens C. Epling; J. Ewan 1933-6-1 s.n. Riverside 4 miles above Corona, Temescal Canyon Comment
  POM158062  Calycoseris parryi A. M. Alexander 1941-5-11 2146 Riverside 1.5 mi N of Cottonwood Spring, Eagle Mts. 976 Comment
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Oct 9 2010
  UCR175172  Calycoseris parryi Jim Andre 2006-4-26 6768 Riverside South Mojave Desert, Joshua Tree National Park: Long Canyon, c. 2.3 mi south of the NE corner (boundary) of the park 1056 Comment
  CLARK-A1528-770  Calyptridium monandrum C. M. Flanagan 1973-5-20 OO 529 Riverside Morongo Indian Reservation 1158 Comment
  UC635495  Calyptridium monandrum Margaret Stason 1927-2-12 Riverside One Thousand Palm Canyon; Colorado Desert, One Thousand Palm Canyon Comment
  UCR182999  Calyptridium monandrum Mitch Provance 2003-5-5 4423 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR154626  Calystegia macrostegia A. C. Sanders, Mike Misenhelter 2005-6-15 30993 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR174042  Calystegia macrostegia A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32520 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  RSA263767  Calystegia macrostegia subsp. intermedia E. W. Lathrop 1968-5-17 6885 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 1067 Comment
  RSA394917  Calystegia macrostegia subsp. tenuifolia M. V. Hood 1945-3-26 s.n. Riverside Cottonwood Creek, Aguanga. Comment
  RSA500998  Calystegia macrostegia subsp. tenuifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3117 Riverside Vail Lake area, ridge-top of volcanic substrate, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 524 Comment
  RSA465906  Camissonia bistorta N. C. Cooper 1949-6-29 4299 Riverside San Jacinto Mountains: Palms to Pines Highway. 1524 Comment
  UCR154407  Camissonia bistorta A. C. Sanders, Mike Misenhelter 2005-6-15 30944 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR43177  Camissonia bistorta B. G. Pitzer 1986-5-6 0205 Riverside Peninsular Range, Butterfield Stage Ranch Development, hills on the north side of Pauba Valley in Rancho California area, 1 mi south of Buck Mesa, on the E side of Butterfield Stage Rd. 457 Comment
  RSA76151  Camissonia brevipes subsp. brevipes P. A. Munz, R. D. Harwood 1920-4-2 3580 Riverside Colorado Desert, near Blythe. 152 Comment
  SEINET3093245 Image available Camissonia californica B. Pitzer, L. LaPre 1987-3-2 416 Riverside Bundy Canyon, ca. 2 mi. SE of Lake Elsinore and 0.5 mi. N of Bundy Canyon Rd., off Raciti Rd. (Romoland 7.5' Quad). Comment
  JOTR32445  Camissonia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2211 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  UCR101587  Camissonia claviformis Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR104021  Camissonia claviformis George K. Helmkamp, E. A. Helmkamp 1998-2-18 2713 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR19028  Camissonia claviformis John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  UCR241524  Camissonia claviformis A. C. Sanders, Ann Howald 2013-2-27 40547 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  UCR60244  Camissonia claviformis R. F. Thorne, M. Z. Thorne 1973-3-30 42675 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  SEINET10492071  Camissonia claviformis Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-21 Holmgren 6440 Riverside Blythe-rice road, 17 airline mi n-nw of blythe. T4s, r21e, sec 13. Common in wash.petal white. 259 Comment
  RSA135284  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-3-16 11862 Riverside Fried Liver wash, Pinto Basin, Joshua Tree National Monument. Comment
  RSA448923  Camissonia claviformis subsp. aurantiaca F. R. Fosberg 1932-3-13 8096 Riverside Thousand Palm Canyon, Coachella Valley Comment
  UCR237507  Camissonia claviformis subsp. aurantiaca Amber Swanson 2011-4-8 382 Riverside Southcentral Mojave Desert, Granite Mountains area east of Hwy 177 near junction 62 423 Comment
  RSA717330  Camissonia confusa Scott D. White, Angelia Carey 2004-4-5 10023 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR20818  Camissonia confusa A. C. Sanders 1980-5-22 1505 Riverside San Jacinto Mtns., Hwy 243, 0.6 mi above the foot of the mtn. at Smith Creek 732 Comment
  UCR42389  Camissonia confusa D. C. Hawks 1986-4-16 s.n. Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, Alta Mesa wind turbine field, on the ridge above Whitewater Canyon, west of Bonnie Bell 915 Comment
  RSA585511  Camissonia hirtella D. L. Banks, Steve D. Boyd 1995-5-9 372 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  RSA614393  Camissonia hirtella D. L. Banks, Victor W. Steinmann 1997-3-13 1527 B 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
  UCR108826  Camissonia hirtella Heidi A. Haid 1969-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR58881  Camissonia hirtella Ed LaRue 1989-5-4 s.n. Riverside 2 mi NW of Lake Elsinore, adjacent to Cleveland National Forest; at McVicker Canyon. 488 Comment
  UCR87657  Camissonia hirtella A. C. Sanders 1994-3-29 14572 Riverside San Bernardino Mtns, E branch Millard Canyon, along FS Road 4S45 1200 Comment
  RSA192046  Camissonia ignota E. W. Lathrop 1966-3-20 6059 Riverside 6 miles north of Santa Rosa Ranch. Comment
  UCR120965  Camissonia ignota A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23883 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR116622  Camissonia pallida A. C. Sanders 2001-3-20 23854 Riverside Western Colorado Desert, Coachella Valley, Garnet, north side of 19th Ave., 1/2 mi. (airline) NW of intersection of I-10 and Indian Ave. 235 Comment
  CLARK-A1528-3334  Camissonia refracta John C. Roos 1966-3-20 Riverside Comment
  SEINET3225526 Image available Camissonia refracta A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37490 Riverside Sonoran (Colorado) Desert; SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak (McCoy Peak 7.5' Q) 204 Comment
  UC354497  Camissonia strigulosa Edmund C. Jaeger 1925-5-10 Riverside Van de Venter's Flat Santa Rosa Mountains 1280 Comment
  UC488994  Camissonia strigulosa C. V. Meyer June 1927 159 Riverside Saunder's Meadow San Jacinto Mts. 1676 Comment
  SDSU3315  Camissoniopsis bistorta R. S. Luaw, T. Mosquin 1957-4-1 Riverside 11 mi. w. Riverside Comment
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Mar 28 2014
  UCR195707  Camissoniopsis confusa A. C. Sanders 1998-3-17 21746 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, south of Hemet 343 Comment
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Mar 13 2015
  SBBG37503  Camissoniopsis micrantha R. N. Muller 1967-4-8 Riverside ca. 2 mi W of St Hwy 62 on Mission Crk Rd, 4.7 mi N of jct between US Hwy 60 and St Hwy 62 579 Comment
  RSA0103964  Camissoniopsis pallida subsp. pallida Duncan S. Bell, LeRoy Gross 2015-3-10 7769 Riverside San Gorgonio Wilderness area; Mission Creek; just below (south of) the San Bernardino/Riverside county border. 830 Comment
  UC1122273  Camissoniopsis pallida subsp. pallida H. S. Yates 1936-4-7 5429 Riverside near Whitewater; San Jacinto Quadrangle Comment
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Dec 15 2011
  UCSB4513  Camissoniopsis pallida subsp. pallida Haller, John 1957-3-23 Riverside Morongo Wash, ca, 4.5 road miles N. of US 99, & 3 air miles S. of Riverside-San Bernardino co line 609 Comment
  UC837256  Carex alma P. A. Munz 1922-5-19 5404 Riverside San Jacinto Canyon, 1 mi above mouth of Strawberry Creek 1158 Comment
  SD232128  Carex athrostachya Scott D. White, Justin M. Wood 2008-6-18 12222 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  SEINET10954770  Carex barbarae Steve Boyd, Timothy S. Ross 1990-5-11 Boyd 4663 Riverside Vail Lake Area, Arroyo Seco drainage, canyon bottom at north base of Wild Horse Peak, southeast of Dripping Springs Campground of Cleveland National Forest. T8S, R1W, N 1/2, Sec 26. Riparian woodland, pools along stream supporting Typha, Carex, etc. Benches, slopes burned. Comment
  RSA364677  Carex heteroneura Anstruther Davidson s.n. Riverside Idyllwild. San Jacinto. Comment
  JEPS63682  Carex nebrascensis Carl V. Meyer 1928-7-27 563 Riverside Round Valley San Jacinto Mts., Round Valley 2773 Comment
  UC72389  Carex nebrascensis H. M. Hall July, 1901 2561 Riverside Fuller's Mills Mountains San Jacinto Mountains 2072 Comment
  RSA0014929  Carex pellita LeRoy Gross, Caitlin Elam 2013-5-14 6088 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA741221  Carex praegracilis Scott D. White, Justin M. Wood 2008-6-5 12088 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UCR24806  Carex sartwelliana George K. Helmkamp 1981-7-5 s.n. Riverside San Jacinto Mountains, spring alongside the Black Mountain Road, 6 mi from the Banning to Idyllwild Hwy (243) Comment
  CAS-BOT-BC115978  Carex subfusca H. E. Hasse 1903-6-30 s.n. Riverside Round Valley, San Jacinto Mts. 2895 Comment
  POM14317  Carex subfusca Phillip A. Munz 1922-6-24 5801 Riverside Pipe Creek, San Jacinto Mountains 1585 Comment
  SEINET7577152 Image available Carex subfusca Unknown 1969-6-24 38154 Riverside San Bernardino National Forest, San Jacinto Mts, Lake Fulmore. 1676 Comment
  SEINET949262  Cassia nemophila A. C. Sanders, K. C. Rose 1999-1 22794 Riverside Coachella Valley: between La Quinta and Indio, along Jefferson St. Between Ave 54 and I -10 (La Quinta 7.5) 10 Comment
  POM8059  Castela emoryi Childs 1920-5-15 s.n. Riverside Hayfields'' at Northern end of Colorado Desert. Comment
  RSA800117  Castela emoryi Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4766 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 6 air miles southeast of the ghost town of Rice or approximately 5.3 air miles east of Priests Well. 198 Comment
  POM229446  Castilleja applegatei subsp. martinii Philip A. Munz 1937-5-30 15078 Riverside Northwest slope of Santa Rosa Mt. 2134 Comment
  JOTR36415  Castilleja chromosa La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3361 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  RSA0080320  Castilleja exserta subsp. exserta Sarah J. De Groot, Cheryl Sevilla 2015-2-18 7360 Riverside North fork Mission Creek, southeast San Bernardino Mountains, northwest of Desert Hot Springs. 780 Comment
  POM4315  Castilleja foliolosa L. T. Street, Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. 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
  RSA400577  Castilleja foliolosa P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  UCR241654  Castilleja foliolosa T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 358 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR112578  Caulanthus heterophyllus D. E. Bramlet 1992-4-2 2203 Riverside San Bernardino Mtns., San Gorgonio River at the confluence with Hathaway Creek on the Morongo Indian Reservation; 15.2m north of Morongo Road and 2.2km northeast of the San Bernardino freeway (I-10). 701 Comment
  SBBG2444  Caulanthus lasiophyllus K. K. Muller 1958-3-21 907 Riverside Whitewater Cyn, 1.5 mi N of Interstate 70 Comment
  UCR213255  Caulanthus lasiophyllus A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37458 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  RSA527664  Caulanthus lasiophyllus var. rigidus Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3844 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
  JEPS29489  Caulanthus simulans Lauramay T. Dempster 1962-4-18 1901 Riverside Palms-to-Palms Highway Pinyon Flats (Pinyon Flats) 1066 Comment
  UC1594220  Ceanothus Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3099 Riverside 1 mi W of Vail Lake 609 Comment
  UCSB3856  Ceanothus cordulatus Ralph, F. 1959-5-16 Riverside along Devil's Slide Trail about 100 yards beyond Jolley Springs. Wilderness area of Mt. San Jacinto Mtns. 2194 Comment
  RSA570226  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7895 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  SD136149  Ceanothus crassifolius Kirsten Winter 1993-3-1 Riverside West of Vail Lake. Occasional hybrids in and near stand of C. ophiochilus (IPB 5/06) 609 Comment
  UCR60641  Ceanothus crassifolius C. B. Wolf 1932-2-11 02648 Riverside Santa Ana Mtns, Hidden [Tin Mine] Canyon, 5 mi. west of Corona, base of Skyline Drive. 405 Comment
  UCR77723  Ceanothus crassifolius Steve Boyd 1991-3-17 5480 Riverside Jurupa Hills, north of Glen Avon. S flank, just west of Soto St to summit east of Pyrite Cyn. Comment
  RSA0034414  Ceanothus cuneatus I. W. Clokey, E. N. Anderson 1935-4-16 6734 Riverside East of Hemet. 630 Comment
  RSA500224  Ceanothus greggii var. perplexans Steve Boyd, C. Boyd, K. A. Boyd 1989-4-15 3252 Riverside San Jacinto Mountains. Pinyon Flats-Ribbonwood area north of Hwy 74, near area of white rock outcrops. Comment
  RSA720438  Ceanothus greggii var. perplexans Naomi Fraga, Tim Thibault 2006-5-16 1669 Riverside ca. 2.5 miles up Morris Ranch Road near its intersection with a locked FS road west of Goff Flat. 1585 Comment
  CHSC1510  Ceanothus integerrimus var. puberulus 1935-4-19 Riverside San Jacinto Pass. 1828 Comment
  RSA0060582  Ceanothus leucodermis Bob Rogers 1984-5-5 31 Riverside Collected along a trail bordering the West side of Fuller Mill Creek heading upstream. Starting point was on the North side of hwy 243, 11.6 miles from hwy 74/hwy243 jctn. 1524 Comment
  RSA570552  Ceanothus ophiochilus Steve Boyd, Chris Frazier 1993-4-24 8011 Riverside Palomar Range south of Vail lake at north base of Agua Tibia Mountain, Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extendng south from end of Woodchuck Road 1000 Comment
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Aug 8 2008
  RSA606743  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27406 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  CAS-BOT-BC167233  Ceanothus palmeri Abby Sirulnik 2000-5-7 39 Riverside Peninsular Ranges; San Jacinto Mtns.: CA Hwy 243, ca. 6 mi. S of Poppet Flat Road 1646 Comment
  SBBG4148  Ceanothus perplexans H. and M. Dearing 1939-4-5 3088 Riverside 2 mi W of Beaumont Comment
  CDA31194  Ceanothus tomentosus Mike Lahti 2010-3-3 PDR# 1358656 Riverside Approximately, 8 miles south of Hemet at Sage Road and Red Mountain Road. 0 Comment
  UCR102817  Ceanothus tomentosus subsp. olivaceus A. C. Sanders 1997-3-19 20060 Riverside Lake Skinner area, upper Rawson Canyon, west of Black Mountain, along the road from Lake Skinner 549 Comment
  CDA7291  Centaurea X pouzinii R. M. Howie 1952-6-7 Riverside Fuller Rancho, near Corona. 0 Comment
  UCR182505  Centaurea melitensis Mitch Provance 2005-5-17 6564 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  RSA735072  Centaurium venustum Scott D. White, Angelia Carey 2004-6-4 10477 -A Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  RSA586862  Cerastium glomeratum D. L. Banks, Steve Boyd 1995-5-3 0281 Riverside NW Palomar Mountains; Agua Tibia Mountains;Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  RSA673547  Cerastium glomeratum Scott D. White, Tasha La Doux 2000-4-20 7705 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  JEPS64764  Cercidium floridum subsp. floridum Marjorie D. Clary May, 1928 Riverside Coral Reef Ranch Colorado Desert, Coachella Comment
  CAS-BOT-BC135497  Cercocarpus betuloides var. betuloides Banning School 1927-4-1 s.n. Riverside Banning, from flower show. Comment
  UC1127909  Cercocarpus ledifolius var. ledifolius R. St. John 1929-5-19 27 Riverside Tahquitz Peak 2682 Comment
  POM13455  Chaenactis artemisiifolia Philip A. Munz 1922-5-19 5353 Riverside 5 miles NE of Murietta. 457 Comment
  RSA0122703  Chaenactis carphoclinia Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9061 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
  UCR30051  Chaenactis carphoclinia var. carphoclinia A. C. Sanders 1983-4-24 3796 Riverside Sonoran (Colorado) Desert, alluvial fan at the NW end of Orocopia Mountains along Hwy 195, c. 3 miles NE of Shavers Well and 2.7 miles NE of the point where the road enters Box Canyon 367 Comment
  RSA778139  Chaenactis fremontii J. Andre 2011-2-2 16212 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  UCR243126  Chaenactis glabriuscula Kate Kramer 2012-5-8 260 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
  UCR48369  Chaenactis glabriuscula Steve Boyd 1986-5-1 1820 Riverside S slopes of Bachelor Mtn, east end of Lake Skinner Comment
  UCR59502  Chaenactis glabriuscula Steve Boyd, T. Ross, L. Arnseth 1989-4-2 3239 B Riverside Peninsular Range, Vail Lake area, sandy valley at NE end of lake, north of Wilson Creek 488 Comment
  UCSB38655  Chaenactis glabriuscula Cowan, Clark 1978-4-23 Riverside 12.1 mi. (19.2 km.) S on Hwy. 74 from jct. with Hwy. 11 at Indian Wells 950 Comment
  UCSB41266  Chaenactis glabriuscula Cowan, Clark 1978-4-23 Riverside 2.7 mi. (4.3 km.) S on Hwy. 74 from its jct. w/ Hwy. 11 at Indian Wells 210 Comment
  RSA770699  Chaenactis glabriuscula var. glabriuscula Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4801 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CDA38669  Chaenactis stevioides Freeman 2012-3-26 PDR# 331 P06141610 Riverside Vicinity of Blythe. 0 Comment
  RSA351835  Chaenactis stevioides var. stevioides M. B. Dunkle 1937-3-25 4910 Riverside East of Indio, Colorado Desert. Comment
  RSA0018884  Chamaesyce abramsiana Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6019 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
  POM182427  Chamaesyce albomarginata R. L. Pendleton 1905-9-28 255 Riverside Riverside. Comment
  JOTR35009  Chamaesyce micromera La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3111 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  JEPS52373  Chamaesyce polycarpa W. L. Jepson 1914-3-23 6054 Riverside Colorado Desert, Conchilla Desert 60 Comment
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Sep 1 2007
  RSA0034090  Chamaesyce polycarpa Duncan S. Bell 2013-1-30 4449 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  RSA0040027  Chamaesyce polycarpa Duncan S. Bell, Evan Meyer 2014-4-2 6501 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA627499  Chamaesyce polycarpa var. polycarpa L. C. Wheeler 1965-6-27 8693 Riverside Tin Mine Canyon. Comment
  RSA599291  Chamaesyce serpillifolia subsp. hirtula L. C. Wheeler 1945-10-7 6140 Riverside San Jacinto Mountains. Fuller Mill Creek, North Fork San Jacinto River. 1828 Comment
  RSA0104441  Chamaesyce setiloba Duncan S. Bell, Evan Meyer 2014-10-28 7663 Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  UC196601  Chamaesyce setiloba Joseph Grinnell 1910-3-17 Riverside Riverside Mtn, Colorado River Comment
  POM6793  Cheilanthes clevelandii Anonymous 1886-5-31 s.n. Riverside Banning Comment
  RSA125298  Cheilanthes clevelandii P. H. Raven 1958-5-17 12933 Riverside 3.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  SEINET238735 Image available Cheilanthes clevelandii A. C. Sanders, Mitch Provance; E. J. Lawlor 2000-1-23 23312 Riverside Lake Skinner area: summit of Black Mtn. 915 Comment
  UCR138607  Cheilanthes newberryi D. L. Banks 1996-11-7 1196 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, at the spring on the N fork of Pechanga Creek at the E end of the Reservation 494 Comment
  RSA685806  Cheilanthes parryi W. M. Zabriskie 1973-2-22 135 Riverside Pipistrelle Canyon 75 yards before it turns east, Deep Canyon drainage, N slope of Santa Rosa Mountains 549 Comment
  UC218643  Cheilanthes parryi S. B. Parish 1919-3-27 19191 Riverside West Canyon Palm Springs; Colorado Desert Comment
  UC336622  Cheilanthes parryi C. C. Parry and J. G. Lemmon Apr. 1876 3 Riverside Mt San Jacinto; Colorado Desert Comment
  UCD137393  Cheilanthes parryi L. S. Rose 1936-12-18 s.n. Riverside Colorado Desert, Tahquitz Canyon, Palm Springs. 243 Comment
  UCR119827  Chenopodium Mitch Provance 1998-6-11 642 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  UCR280934  Chenopodium album Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-2 617- 04 Riverside Temescal Valley, Horsethief Canyon Wash, S. side of I-15, vicinity of De Palma Rd. 378 Comment
  UC1792804  Chenopodium amaranticolor A. C. Sanders, Mitch Provance, T. B. Salvato, B. G. Pitzer 2000-11-3 23723 Riverside Riverside, UCR campus, east side of the UCR Botanical Garden 350 Comment
  CLARK-A1528-407  Chenopodium ambrosioides Fred B. Essig 1966-9-12 Riverside Riverside Comment
  RSA624448  Chenopodium ambrosioides L. C. Wheeler 1932-9-4 1324 Riverside Santa Ana River at Chino Creek. 152 Comment
  POM161559  Chenopodium atrovirens Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mts. 2439 Comment
  RSA661033  Chenopodium berlandieri A. C. Sanders, Mitch Provance 1999-9-26 23076 Riverside McMullen Flat ca. 1 km NW of Valley High County Park, ca. 1 km SE of Hwy 74 off (W of) Twin Pines Ranch Rd. 1195 Comment
  SEINET238504  Chenopodium berlandieri A. C. Sanders, S. White; C. L. Sanders 1994-10-9 15817 Riverside San Bernardino Mountains: Whitewater Cyn. 2 mi. below trout farm above Bonnie Bell. 550 Comment
  UCR113904  Chenopodium berlandieri Mitch Provance, A. C. Sanders 2000-7-4 2083 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UC2015588  Chenopodium californicum Scott D. White 1996-3-23 3845 Riverside Perris Basin, Santa Rosa Hills, SE of Hemet (Loomis property: Friendly Hills Ranch). Comment
  UC7266  Chenopodium hians H. M. Hall 1901-6-24 2253 .1 Riverside Fuller's Mill San Jacinto Mountains 1767 Comment
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Sep 20 2011
  UCR113597  Chenopodium missouriense A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23677 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
  SD236268  Chenopodium murale John F. Green 2005-3-3 Riverside Sonoran (Colorado) Desert: Salton Basin, E of Salton Sea, ca 4 mi N of Niland; between siphons 10 and 11 (Wister 7.5'Q) 14 Comment
  UCR25982  Chenopodium strictum var. glaucophyllum John C. Roos 1951-9-25 5295 Riverside Riverside 259 Comment
  UCR245997  Chilopsis linearis Duncan S. Bell, Aaron Sedgwick 2012-9-13 4208 Riverside Sonoran (Colorado) Desert, Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, c. 5 air mi northeast of the junction of Box Canyon Road and the Coachella Canal or c. 1.25 air mi southwest of Shavers Well 240 Comment
  SEINET12271194  Chilopsis linearis L. S. Rosa 1936-1 36793 Riverside Palm Canyon Desert Comment
  LA204149  Chilopsis linearis subsp. arcuata Norman C. Cooper; 1944-7-15 1548 Riverside Palm Springs 121 Comment
  UC219074  Chilopsis linearis subsp. arcuata unknown May 1 1906-May 10 1906 170 a6740 Riverside Palm Springs Colorado Desert, Palm Springs Comment
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Apr 17 2011
  UC887890  Chilopsis linearis subsp. arcuata E. C. Jaeger 1921-6-15 1055 Riverside along watercourse at base of McMullin Trail Banning Comment
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Nov 5 2011
  SEINET10898022  Chilopsis linearis subsp. arcuata Frank Almeda 1976-6-5 Almeda 2826 Riverside Rocky wash with shrubby vegetation ca 4-5 mi N of Interstate Hwy. #10 off of Whitewater Canyon Road. Comment
  CAS-BOT-BC217964  Chloris truncata A. C. Sanders 1997-3-26 20138 Riverside Adjacent to the Skinner entrance road, ca. 1 km NE of Borel Rd. Lake Skinner Area 472 Comment
  UCR148471  Chorizanthe brevicornu 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
  UCR121070  Chorizanthe coriacea D. E. Bramlet 1989-4-6 1812 A Riverside Perris-Aguanga Basin, Lake Skinner area, upland between Rawson Canyon and Tucalota Creek 457 Comment
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Sep 17 2011
  RSA0035905  Chorizanthe corrugata J. M. Andre 2013-3-27 24826 Riverside Riverside Mountains; along Wilson River Crossing Rd., 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct. 114 Comment
  UCR35077  Chorizanthe leptotheca L. B. Ziegler 1967-6-19 162 Riverside San Jacinto Mtns., Bautista Creek Canyon 762 Comment
  UCR220144  Chorizanthe parryi var. parryi D. E. Bramlet 1993-5-11 2351 Riverside Peninsular Range, Lake Skinner County Park; north of old pig farm, 2000 ft. NE of Tucalota Creek & 6500 ft. east of Lake Skinner 485 Comment
  RSA0092853  Chorizanthe polygonoides var. longispina D. E. Bramlet 1993-5-12 2352 Riverside Peninsular Range: Temecula, c.4 km south of intersection of Pauba Rd & Butterfield Stage Rd, 46-300 m west of Butterfield Stage Rd. 372 Comment
  RSA407725  Chorizanthe polygonoides var. longispina Steve D. Boyd 1986-5-1 1788 Riverside South Western Perris Basin: Hill W of Skunk Hollow. Comment
  UCR174329  Chorizanthe polygonoides var. longispina A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32562 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 587 Comment
  UCR231762  Chorizanthe polygonoides var. longispina John F. Green 2008-4-23 09- 09 Riverside Peninsular Range; SE Gavilan Hills, powerline route in hills SE of Perris, east of Hwy 74 and north and NE of Eugene St., both sides of Theda St. 503 Comment
  HSC28466  Chorizanthe rigida Richard Spjut 1973-4-5 3268 Riverside Colorado Desert; N slopes of the Chuckawalla Mtns. ca. 3-4 mi. S of Desert Center 305 Comment
  JOTR36451  Chorizanthe rigida La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3421 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  SD27986  Chorizanthe rigida Carl B. Wolf 1932-4-29 3094 Riverside Eastern Colorado Desert. W. edge of Maria Mts. 17 mi. from Blythe on Rice Road 152 Comment
  RSA777280  Chorizanthe watsonii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4742 -a Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  LA206562  Chorizanthe xanti Carl Epling; William Robison 1933-6-24 Riverside Little San Bernardino Mountains, San Gorgonio Wash Comment
  RSA314670  Chorizanthe xanti var. leucotheca Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55494 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  UC489281  Chrysolepis sempervirens C. V. Meyer 1928-7-31 614 Riverside Tahquitz Peak; San Jacinto Mts. 2438 Comment
  CLARK-A1528-1770  Chrysopsis villosa John C. Roos 1937-8-19 2499 Riverside San Jacinto Mountains Comment
  UCR35829  Chrysopsis villosa var. fastigiata R. F. Thorne, Et al 1982-10-8 55400 Riverside San Bernardino Mtns, side canyon on W side of Whitewater Cyn, c. 3.3 mi. north of Whitewater Post Office. 610 Comment
  POM188066  Chrysothamnus nauseosus subsp. bernardinus L. Crutcher 1933-8-23 21 Riverside Long Valley, San Jacinto Mts. Comment
  SD21522  Chylismia brevipes subsp. brevipes Frank F. Gander 1938-5-21 5765 Riverside Shaver's Summit. Comment
  RSA0043054  Chylismia cardiophylla subsp. cardiophylla Duncan S. Bell, Evan Meyer 2014-4-1 6487 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; center of this range; approximately 4.75 air miles northwest of Gucci Spring; approx. 5 air miles north of the Bradshaw Trail. 759 Comment
  UC1122151  Chylismia cardiophylla subsp. cardiophylla H. S. Yates 1937-3-23 6428 Riverside Painted Canyon Thermal Quadrangle Comment
  CAS-BOT-BC160636  Chylismia claviformis subsp. aurantiaca R. J. Dobbs 1927-3-30 2975 Riverside Palm Springs Comment
  UC1183579  Chylismia claviformis subsp. aurantiaca W. M. Klein 1958-2-11 38 Riverside between Cathedral City and Palm Village (on CA 111 to Indio) 96 Comment
  JOTR38693  Chylismia claviformis subsp. claviformis Hodges, Stephen R. 2017-2-7 709 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  RSA0051555  Cirsium acaulescens Nancy Anderson 1955-5-22 s.n. Riverside Hemet Meadow. 1371 Comment
  UCR22106  Cirsium occidentale Steve Boyd 1980-5-15 254 A Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  RSA740946  Cirsium occidentale var. californicum Scott D. White, Justin M. Wood 2008-6-17 12181 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  SEINET3146341  Cirsium occidentale var. coulteri W. B. Crockatt sn Riverside Prado 91 Comment
  CAS-BOT-BC280419  Cirsium ochrocentrum R. M. Howie 1952-8-1 s.n. Riverside Beaumont Comment
  UCR25723  Cirsium scariosum John LaSalle 1982-4-29 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, west of Murrieta; c. 3 mi. SW of Palomar Rd on Clinton Keith Rd. 549 Comment
  CAS-BOT-BC285736  Cirsium vulgare John Thomas Howell 1952-10-24 28866 Riverside Pauba Ranch, about 8 miles east of Temecula Comment
  POM182082  Cistanthe monandra P. A. Munz 1932-3-14 11978 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA0123670  Cladium californicum Duncan S. Bell, Andrew Chambers 2016-12-21 10218 Riverside The Dos Palmas Preserve area, at the southern end of the Orocopia Mountains, and at the northeastern section of the Salton Sea. -25 Comment
  RSA448300  Clarkia purpurea subsp. quadrivulnera N. C. Cooper 1944-6-16 1443 Riverside San Jacinto Mountains, west side. 1372 Comment
  UC76443  Clarkia purpurea subsp. quadrivulnera Miss M. Alice King April 1893 Riverside Menifee Comment
  RSA652343  Clarkia purpurea subsp. quadrivulnera C. J. Humphrey, Herbert Humphrey, E. T. Bartholomew 1936-6-7 117 Riverside In desert 15 miles north [E?] of Riverside 366 Comment
  SEINET9363510  Clarkia williamsonii Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  UCR5923  Claytonia parviflora subsp. utahensis Sue Freeman 1966-4-30 s.n. Riverside San Jacinto Mtns., Above Fuller Mill Creek, 50 yards up stream from Banning-Idyllwild road 1616 Comment
  SD138016  Claytonia parviflora subsp. viridis Darin L. Banks 1995-5-3 240 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along Arroyo Seco 512 Comment
  UCR121694  Claytonia perfoliata A. C. Sanders 2002-5-4 25039 Riverside San Jacinto Mtns., Idyllwild, Pine Crest Ave., NE of Hwy 243 1677 Comment
  RSA556520  Claytonia perfoliata subsp. perfoliata Julie Greene 1993-4-10 1128 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. 475 Comment
  RSA585634  Clematis lasiantha D. L. Banks, S. D. Boyd 1995-3-15 69 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 762 Comment
  RSA612939  Clematis lasiantha D. L. Banks 1997-3-29 1638 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The area along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside / San Diego County line border. 402 Comment
  UCR139030  Clematis lasiantha D. L. Banks 1997-3-29 1638 Riverside Agua Tibia Mtns., NW Palomar Mountains, Pechanga Indian Reservation. The area along Magee Truck Trail betweem the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  SDSU20292  Clematis pauciflora Adrienne D. Russell, Michael G. Simpson 2000-4-29 129 Riverside North Field Station, Santa Margarita Ecological Reserve, rocky hillside between trailer and gorge on edge of lot, driveway. Comment
  UCR50391  Clematis pauciflora L. F. LaPre, Jack Easton 1988-1-12 s.n. Riverside Santa Rosa Plateau, Mesa de la Punta, Santa Rosa Springs Ranch 610 Comment
  UCR91666  Clematis pauciflora D. L. Banks, Steve Boyd 1995-5-9 0422 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  UCSB10606  Clematis pauciflora Gill, Robert 1960-3-23 Riverside San Jacinto Mt. Range; Snow Cayon; near end of road 563 Comment
  CLARK-A1528-5637  Coldenia canescens John C. Roos 1948-5-15 3859 Riverside Eagle Mountains Comment
  RSA0117424  Collinsia concolor Steve D. Boyd, Tim S. Ross, L. Arnseth, J. Bonilla 1990-4-2 3985 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA0117425  Collinsia concolor Steve D. Boyd 1990-4-3 4086 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  UCR193330  Collinsia concolor A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35594 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, along foot trail from May Valley Road toward mapped spring 1560 Comment
  RSA0117407  Collinsia concolor Joseph A. Ewan 1932-4-8 7040 Riverside Whitewater Canyon, about 3 miles above mouth. Comment
  UCSB45533  Collinsia heterophylla Roos, John 1952-4-13 Riverside Box Springs Mts Comment
  SBBG92198  Condea emoryi D. F. Howe 1980-4-16 Riverside 4 mi S of Interstate 10 on Cornsprings Rd, Chuckwalla Mtns 335 Comment
  RSA741570  Convolvulus arvensis Scott D. White, Justin M. Wood 2008-6-17 12162 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UC1605399  Conyza bonariensis Steve Boyd and Darin Banks 1994-9-29 8368 Riverside floodplain e dike along San Jacinto River (w of Sedco Hills community); Lake Elsinore 381 Comment
  RSA191402  Conyza canadensis E. W. Lathrop, R. F. Thorne 1967-9-26 6640 Riverside 6 miles NW of Murrieta. Comment
  CAS-BOT-BC237959  Cordylanthus rigidus Scott D. White 1996-8-1 4419 Riverside San Jacinto Mts. Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area 1830 Comment
  UCR95961  Cordylanthus rigidus Scott D. White 1996-8-1 4419 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA412305  Cordylanthus rigidus subsp. setiger Lester H. Cushman 1931-10-3 14218 Riverside [Unspecified] Comment
  POM9789  Cordylanthus rigidus subsp. setiger E. C. Jaeger 1921-11-15 254 Riverside Tanks, 1 mile east of Keyes Ranch. Comment
  JOTR34471  Coreopsis bigelovii Andre, Jim 2012-4-16 20954 Riverside Joshua Tree National Park. Pleasant Valley; along Geology Tour Road at SW end of one-way loop at drainage below Pinyon Well. Approx. 7.5 mi south of Natl Park loop road (paved). 1094 Comment
  CAS-BOT-BC287878  Coreopsis californica Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  CAS-BOT-BC101302  Corethrogyne filaginifolia I. W. Clokey; E. G. Anderson 1935-8-21 6963 Riverside East of Keen Camp P.O. 1350 Comment
  POM49860  Corethrogyne filaginifolia P. A. Munz, I. M. Johnston 1924-7-29 8858 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  SD239607  Corethrogyne filaginifolia A. C> Sanders 2010-11-18 38690 Riverside Peninsular Range: western Gavilan Hills; eastern edge of Corona, north end of radio tower ridge, 1.85 miles NNE (25a^z) of El Cerrito, 1 mile SSE (143a^z) of Home Gardens, just east of large rock quarry (Corona South 7.5'Q) 398 Comment
  UCR132417  Cortaderia selloana A. C. Sanders 2004-2-6 27382 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, canyon along north side of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 442 Comment
  RSA198953  Crassula aquatica R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37460 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  RSA788881  Crassula aquatica G. D. Wallace 2003-7-8 4041 Riverside Hidden Lake. Comment
  RSA543301  Crassula connata Steve Boyd 1991-3-17 5509 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
  UCR260882  Crassula connata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41491 Riverside San Gorgonio Pass, c. 3.8 miles east of Cabazon, north of San Gorgonio River wash, south of I-10 and generally NE of water bottling plant, west of dirt road to wind farm 439 Comment
  CLARK-A1528-423  Crassula erecta Fred B. Essig 1967-5-7 Riverside Riverside 457 Comment
  CSUSB617  Crassula erecta Bill Schultz 1972-4-30 Riverside Santa Ana River bottom, 200 yards west of where power lines make turn, where palm trees are west of dump, 2 miles south of Mount Rubidoux 304 Comment
  UCD101825  Crassula tillaea A. C. Sanders; T. B. Salvato 2001-5-3 24102 Riverside Perris-Aguanga Basin region; Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley. 494 Comment
  CDA14402  Cressa truxillensis D. Domenigoni 1997-7-11 Riverside Lake Elsinore. 0 Comment
  RSA557352  Cressa truxillensis Julie Greene 1993-5-12 1292 Riverside North side of San Jacinto River levee, west of Davis Road. 433 Comment
  SD253431  Cressa truxillensis Mitch Provance 2013-6-16 613 19 Riverside Santa Ana River Valley: City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, ca. 0.4 mile west of Van Buren. 226 Comment
  UCD126208  Cressa truxillensis Rimo Bacigalupi; G. T. Robbins 1954-5-16 4467 Riverside valley of San Jacinto River, one-half mile west of Lakeview and just east of Lakeview (formely Ginsberg) Hot Springs. 432 Comment
  UCR110399  Cressa truxillensis A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23182 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1 mile west of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. west of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  UCR207611  Cressa truxillensis O. F. Clarke 2004-5-7 s.n. Riverside Peninsular Range; San Jacinto Valley, San Jacinto Wildlife Area 442 Comment
  UCR229494  Cressa truxillensis Jeremiah George 2011-7-14 s.n. Riverside Peninsular Range; Elsinore Trough, North Lake Elsinore, Nichols Rd. just west of Collier Ave. junction 384 Comment
  CAS-BOT-BC175810  Crossosoma bigelovii P. A. Munz 1935-4-8 13834 Riverside Sheephole Mts., southern Mojave Desert 1066 Comment
  SEINET3083354 Image available Crossosoma bigelovii P. Leary 1975-2-25 943 Riverside Joshua Tree National Monument, 2.3 miles SE of Agua Peak, Coxcomb Mountains 975 Comment
  RSA796020  Croton californicus Duncan S. Bell 2009-4-18 244 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  SEINET7063231  Croton californicus A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 719 Comment
  UC868665  Croton californicus Milo S. Baker 1928-4-4 2873 Riverside Palm Springs-Banning hwy Snow River Comment
  CAS-BOT-BC189261  Cryptantha C. Cowan 1978-4-25 1264 Riverside 0.4 mile off Highway 74 on Morris Ranch Road, 4.3 miles N on Highway 74 from its junction with Highway 371, San Bernardino NF, Whittaker transect #W 227 Comment
  SEINET6971882  Cryptantha W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  POM368196  Cryptantha angustifolia N. C. Cooper 1949-4-8 3294 Riverside Desert Center. 610 Comment
  SBBG104634  Cryptantha angustifolia T. Glenn 1991-5-2 91 -32 Riverside McCoy Mtns, NW of Blythe; T4S, R20E, S32 350 Comment
  SD224872  Cryptantha angustifolia G. K. Helmkamp, E. A. Helmkamp 1998-2-5 2652 Riverside Indio Hills, 3 mi. E of Thousand Palms & 1.1 mi. N on Amity Rd. Almost barren hills just beyond creosote bush scrub. 100 Comment
  UC665815  Cryptantha angustifolia Ira L. Wiggins 1941-3-24 9574 Riverside 2.7 mi s Mortmar (along e side of Salton Sea); Salton Sea Comment
  JEPS67483  Cryptantha barbigera W. L. Jepson 1927-4-12 11676 Riverside Painted Canyon Colorado Desert, Mecca Hills 76 Comment
  JOTR28812  Cryptantha barbigera La Doux, Tasha 2005-2-7 1080 Riverside Joshua Tree National Park. Above Hayfield Dry Lake 553 Comment
  RSA339314  Cryptantha barbigera R. F. Thorne, R. K. Benjamin, C. W. Tilforth, L. M. Shultz, J. Hogge 1980-4-16 54048 Riverside SAN BERNARDINO MTS. : Sandy beach along Whitewater River, E of bridge and levee and below W-facing bluff 412 Comment
  OBI20703  Cryptantha barbigera var. fergusoniae Robert F. Hoover 1969-4-11 11210 Riverside Mouth of Morongo Valley Cyn Comment
  JOTR29362  Cryptantha circumscissa La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1439 Riverside Joshua Tree National Park. Long Canyon; Stop 1, south end of Long Canyon, near Park boundary 547 Comment
  JOTR33725  Cryptantha circumscissa var. circumscissa La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2726 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  POM12150  Cryptantha costata Mary F. Spencer 1920-3-16 1514 Riverside Mecca -60 Comment
  RSA777447  Cryptantha costata Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 968 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  UCR216117  Cryptantha costata Jim Andre, T. La Doux 2009-2-25 10818 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  POM368270  Cryptantha intermedia M. B. Dunkle 1932-3-25 2875 Riverside Cabazon, Colorado Desert. Comment
  POM50382  Cryptantha intermedia W. W. Eggleston 1924-3-8 19530 Riverside Hemet. 480 Comment
  RSA559328  Cryptantha intermedia Steve Boyd, Tim Ross 1992-5-15 7414 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
  RSA67310  Cryptantha intermedia G. R. Campbell 1951-4-22 15998 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1371 Comment
  SD227780  Cryptantha intermedia A. C. Sanders 1994-5-29 14547 Riverside San Bernardino Mountains: Morongo Indian Reservation, sandy alluvial slopes among hills on the low pass between Millard Cyn. And Potrero Cr. 750 Comment
  UC1605428  Cryptantha intermedia Steve Boyd 1986-4-2 1600 Riverside Harford Springs Co. Park Gavilan Hills, Gavilan Plateau, Harford Springs Co. Park 609 Comment
  UC1922270  Cryptantha intermedia Scott D. White, Angelia Carey 2004-4-5 10019 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  UCR101789  Cryptantha intermedia George K. Helmkamp, E. A. Helmkamp 1997-3-5 1322 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  UCR122540  Cryptantha intermedia George K. Helmkamp, E. A. Helmkamp 2001-5-20 6669 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  UCR152529  Cryptantha intermedia A. C. Sanders 2005-4-22 29596 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR265823  Cryptantha intermedia Mitch Provance 2012-5-24 512- 04 B Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  UCR47238  Cryptantha intermedia B. G. Pitzer, L. F. LaPre 1987-3-2 0430 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
  POM147640  Cryptantha maritima F. M. Reed 1927-3-19 5434 Riverside Dos Palmas Springs north of Salton Sea Comment
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Apr 6 2011
  UCR167246  Cryptantha maritima John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  UCR214165  Cryptantha maritima T. B. Salvato 2010-4-20 4067 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  UCR245257  Cryptantha maritima Jim Andre 2012-3-19 21293 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  UCR245655  Cryptantha maritima Duncan S. Bell 2010-4-1 673 Riverside Sonoran (Colorado) Desert, Arica Mountains; west side of Rice Valley, c. 1.2 air miles east of AT & SF railway line, c. 4.2 air miles east of Priest Well and c. 4.3 air mi. SE of the ghost town of Rice 208 Comment
  SDSU21879  Cryptantha maritima var. maritima Kristen Hasenstab, M. G. Simpson 2008-4-1 47 Riverside In Fan Canyon, just inside the boundary for Joshua Tree National Park. Located in a wide desert wash. 640 Comment
  POM126211  Cryptantha micrantha E. E. Schellenger 1911-4-25 s.n. Riverside Whitewater wash north of Palm Springs. Comment
  UC218109  Cryptantha micrantha P. A. Munz 1922-6-27 5839 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  UC24830  Cryptantha micrantha H. M. Hall May 1901 Riverside vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  UC489041  Cryptantha micrantha C. V. Meyer 1927-6-1 160 Riverside Saunders Meadow San Jacinto Mts. 1706 Comment
  CAS-BOT-BC520377  Cryptantha micrantha var. lepida Steve Boyd; Gary Wallace 2005-7-30 11639 Riverside Peninsular Ranges, San Jacinto Mountains region: San Jacinto Mtns State Park, Hidden Lake area, NE of Hidden Divide, SE of Long Valley, near head of Hidden Fork of Tahquitz Creek 2682 Comment
  GMDRC2051  Cryptantha micrantha var. lepida J. Andre 2006-4-26 6769 Riverside Little San Bernardino Mountains: Joshua Tree National Park: ridgetop, W. of upper Long Canyon, approx. 0.5 mi. S. radio tower and of NE corner (boundary) of park Near 34.06663 deg. N 1116.44661164471 deg. 43681' W. Elev. 44661 ft. 1325 Comment
  UCR111545  Cryptantha micrantha var. lepida Mitch Provance 1999-5-4 1693 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR47194  Cryptantha micrantha var. lepida D. C. Hawks 1987-3-2 s.n. Riverside Terwilliger Valley, 5 miles SE of Anza 1280 Comment
  OBI42568  Cryptantha microstachys A. C. Sanders & B. Pitzer, B. Pitzer 1986-4-30 6479 Riverside San Jacinto Mts, Bee cyn along the rd, 1.1 mi above the mouth of the cyn at the San Jacinto River Valley 701 Comment
  SBBG120595  Cryptantha microstachys A. C. Sanders 2006-5-19 32441 Riverside hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd 518 Comment
  SBBG34215  Cryptantha microstachys H. Haid 1969-5-11 Riverside Bautista Cyn foothills, ca. 20 mi SE of Hemet 914 Comment
  UCR139149  Cryptantha microstachys S. J. Myers, Andrei Krylor 2003-4-30 s.n. Riverside San Jacinto Mtns. Region, Reed Valley, c. 1.5 mi. SW of Little Cahuilla Mtn. 1098 Comment
  UCR199922  Cryptantha microstachys Scott D. White, Justin Wood 2008-4-16 11883 Riverside Perris/Elsinore Basin, hills to the west of I-215 and south of Scott Rd. 549 Comment
  UCR75552  Cryptantha microstachys A. C. Sanders 1993-4-30 13884 Riverside San Bernardino Mtns., along Butterfly Road, which joins Wildwood Canyon Road 0.4 mi. west of Oak Glen Road; between Cherry Valley and the Riverside County line 1100 Comment
  RSA164814  Cryptantha muricata Wesley O. Griesel 1958-7-5 s.n. Riverside Dark Canyon. 1829 Comment
  UC280510  Cryptantha muricata C. R. Orcutt Apr 1889 Riverside Colorado Desert Comment
  CLARK-A1528-2227  Cryptantha muricata var. jonesii John C. Roos 1950-4-15 4732 Riverside Reche Canyon 792 Comment
  RSA0079426  Cryptantha muricata var. jonesii Robert Gustafson 1983-4-18 2501 Riverside Clinton Keith Road, about 3 miles from its junction with Hwy. 15, eastern slopes of the Santa Ana Mts. 457 Comment
  RSA0124031  Cryptantha nevadensis var. nevadensis Duncan S. Bell, LeRoy Gross 2016-3-10 8876 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
  SBBG53354  Cryptantha nevadensis var. nevadensis J. Zabriskie 1975-3-26 Riverside Boyd Deep Cyn Research Center Comment
  JOTR30796  Cryptantha pterocarya La Doux, Tasha 2008-2-4 1817 Riverside Joshua Tree National Park. Hexie Mountains, Porcupine Wash. Near road leading to Cottonwood. 745 Comment
  POM13231  Cryptantha racemosa E. C. Jaeger 1921-4-3 1114 Riverside Pinyon Well, Mojave Desert, Riverside county Comment
  RSA264579  Cucurbita palmata C. W. Tilforth, John Dourley, W. Wisura 1977-5-19 s.n. Riverside Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road [Midland Rd]. 266 Comment
  RSA609810  Cucurbita palmata R. S. Woglum 1939-4-11 2201 Riverside Sonora Desert: Desert Center. Comment
  RSA713905  Cucurbita palmata R. E. Riefner 2006-8-2 06 -349 Riverside Lakeview Mountains, vicinity of Alicante Dr. at Jamawag Rd., N of Leon Rd. 550 Comment
  UCR16171  Cuscuta californica var. californica I. S. Singh 1972-5-5 s.n. Riverside Perris Basin, N of Perris, W end of Nuevo Road, on the Charles Motte property. 457 Comment
  SEINET891458  Cuscuta californica var. papillosa Lewis S. Rose 1946-1 46300 Riverside Cathedral Canyon Wash 182 Comment
  RSA409732  Cuscuta ceanothi Albert J. Perkins 1916-9-9 s.n. Riverside Between Idyllwild and Keen Camp Comment
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Aug 17 2011
  RSA70999  Cuscuta umbellata F. W. Peirson 1932-11-26 9659 Riverside Thousand Palms Comment
  UCR93043  Cycloloma atriplicifolium Scott D. White 1992-9-11 797 Riverside Vicinity of Gilman Hot Springs, north side of San Jacinto River & a thin strip trending north of the river & west of the Hot Springs 459 Comment
  CAS-BOT-BC56146  Cylindropuntia californica var. parkeri Carl B. Wolf 1939-2-24 9491 Riverside Field redacted by CAS, contact the data manager for more information 762 Comment
  SEINET11044078 Image available Cylindropuntia californica var. parkeri Marc A. Baker, Emily Mastrelli 2015-4-20 18330 Riverside The Badlands 600m SSW of the intersection of San Timoteo Canyon Road and Redlands Blvd., 23 km ENE of central Riverside, 20 km SE of central San Bernardino 567 Comment
  JOTR35426  Cylindropuntia chuckwallensis Harding, Mitzi, C. Barrows, K. Callahan, J. Hoines, M. Wheeler 2013-4-11 132 Riverside Joshua Tree National Park. Eagle Mountains; Eagle Mountain, northwest of peak Comment
  RSA658861  Cymopterus panamintensis var. acutifolius J. C. Roos 1947-2-15 3243 Riverside Lost Palms Cyn. S face of Eagle Mtns., west of Hayfeilds. Comment
  SD64280  Cymopterus panamintensis var. acutifolius Darley F. Howe 1966-4-6 4162 Riverside Steep hillside near entrance of Joshua Tree National Muoument 825 Comment
  JOTR32384  Cynodon dactylon La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2491 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  SEINET3926489  Cynodon dactylon Faulkner 1978-3-21 348 Riverside 9 miles N of Blythe, Hwy 95, Saline flats.; 0 152 Comment
  UCR275358  Cyperus eragrostis T. B. Salvato, Melissa Clemons 2005-6-9 1501 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  POM319412  Cyperus erythrorhizos Patricia Wilder 1970-10-15 4810 Riverside Prado Dam in Prado Flood Control Basin. East of Chino Hills. Santa Ana River Drainage Area. 122 Comment
  RSA502511  Cyperus involucratus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3566 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
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Dec 17 2014
  UCR263650  Dalea mollis David Fraker, Aaron C. Sedgwick 2012-3-22 014 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  JOTR35380  Dalea mollissima Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 168 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  POM301796  Dalea mollissima J. Cole 1942-5-19 964 Riverside Ruby Lee Mine, Joshua Tree National Monument. 915 Comment
  UCR41745  Dalea mollissima A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6067 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 1/2 mi. west of Graham Pass Rd., on powerline road 1/2 mi. south of old Hwy 60 (Chuckwalla Road) 134 Comment
  SEINET6656755  Dalea schottii David B. Dunn 1946-1 2025 Riverside In vicinity of Pushawalla Canyon, Indio Hills.; 0 Comment
  RSA704244  Dasyochloa pulchella Gary D. Wallace 1982-5-15 1997 Riverside Palms to Pines Highway, 7 level hill. Comment
  RSA64346  Datura discolor S. B. Parish 1912-10-10 8335 Riverside Salton Basin -58 Comment
  UC724163  Datura discolor Aven and Ruth Nelson 1939-3-28 3298 Riverside near ne side Salton Sea; near ne side of the Salton Sea Comment
  UCR95616  Datura quercifolia A. C. Sanders, O. Clarke, C. Sanders 1996-10-23 19644 Riverside Riverside: O. F. Clarke residence, 1012 Spruce St. 305 Comment
  SEINET3078209 Image available Datura wrightii Ed LaRue 1989-4-20 Riverside Moreno Valley, old Riverside International Raceway on Day Street, ca 1/2 mi S of Hwy 60. Comment
  UCR233581  Daucus pusillus A. C. Sanders, John F. Green 2012-4-12 40041 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 370 m NW of El Hermano Rd. 312 Comment
  UCR250566  Daucus pusillus A. C. Sanders 2014-4-25 41067 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  SBBG104657  Deinandra fasciculata M. A. Patten 1992-5-28 92 -12 Riverside just E of Temecula, between Pauba Rd on the N and De Portola Rd on the S, W boundary of site adjacent to Butterfield State Rd 365 Comment
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Aug 24 2013
  SBBG104656  Deinandra paniculata M. A. Patten 1992-5-28 92 -13 Riverside just E of Temecula, between Pauba Rd on the N and De Portola Rd on the S, the W boundary of site adjacent to Butterfield Stage Rd 365 Comment
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Aug 24 2013
  SD137876  Deinandra paniculata Darin L. Banks, Steve Boyd 1995-10-26 829 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along the Woodchuck Trail. 940 Comment
  CAS-BOT-BC7976  Delphinium parishii subsp. parishii H. Lewis; C. Epling 1941-5-7 S.N. Riverside 3 miles N. of Cottonwood Spring, Joshua Tree Nat. Mon. Comment
  UCSB1979  Delphinium parishii subsp. parishii Yokoyama, Howard 1953-3-26 Riverside White Water Canyon Comment
  RSA16371  Delphinium parryi Percy C. Everett 1935-6-17 7160 Riverside Coldwater Canyon Trail to Santiago Peak., 2 miles above Glen Ivy Resort. 610 Comment
  UCR1020  Delphinium parryi Dennis Vander Ven 1968-5-19 680519- 3 Riverside c. 7 miles west of Murrieta on Tenaja Rd., where road first enters a canyon. Precisely where road crosses creek. On both sides of road 701 Comment
  UCR193923  Delphinium parryi A. C. Sanders, Mitch Provance 2008-7-11 35786 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  CAS-BOT-BC121437  Delphinium parryi subsp. parryi Marion L. Campbell 1921-3-26 57 Riverside Banning Comment
  UCR110965  Delphinium parryi subsp. parryi George K. Helmkamp 1998-6-27 4095 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
  SDSU5504  Delphinium patens W. T. Williams 1962-5-12 Riverside San Jacinto Mtns. 4000 ft marker 20 ft s of wayside rest along Hwy between Hemet and Idyllwild. 1219 Comment
  RSA0029544  Delphinium patens subsp. montanum Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5003 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  CAS-BOT-BC82950  Dendromecon rigida A. M. White 1974-6-5 1362 Riverside Indian Road ca. 15 miles west Sun City. 1219 Comment
  CAS-BOT-BC198170  Deschampsia danthonioides Frank W. Peirson 1922-5-19 3022 Riverside Menifee Valley Comment
  SEINET3507548 Image available Descurainia sophia D. L. Heald 1966-5-16 54 Riverside Off the road behind Webber Hall at UCR in Riverside, Riverside County. Comment
  UCR275280  Dicentra chrysantha T. B. Salvato, Gregg Miller 2005-6-7 1450 Riverside Peninsular Range, Gavilan Hills, along dirt road E of Lindell (Stovepipe) Road, W of El Toro Road, and ca 4.5 mi NW of Lake Elsinore 671 Comment
  RSA771736  Dichelostemma capitatum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4784 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR215508  Dichelostemma capitatum subsp. capitatum Daphne K. Christopher, Hannah I. Stevens 2003-4-3 082 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve 536 Comment
  SEINET7040150  Dichelostemma congestum A. G. Vestal 1962-4-8 Riverside Ca. 3.5 miles north east of Lake Elsinore (Elsinore)on Rt.74. UTM Zone 11, 472765mE, 3731077mN. Comment
  CSUSB26  Dichelostemma pulchellum Karen Cook 1966-2-22 Riverside University of California, Riverside (UCR) campus. 200 yards southeast of intersection of street leading to agriculture buildings. 304 Comment
  CAS-BOT-BC292192  Dicoria canescens Alice Eastwood 1913-4-30 3110 Riverside Palm Springs Comment
  RSA503357  Dicoria canescens S. J. Myers 1988-10-18 s.n. Riverside Garnet Hill, N of Palm Springs, between the Southern Pacific railroad tracks and Hwy 10, E one-third of Granet Hill, SE to Palm Drive 206 Comment
  RSA643434  Dicoria canescens R. D. Goeden, D. W. Ricker 1985-10-12 s.n. Riverside Sonoran Desert: ca. 7 mi. S of Granite Pass, west side of Desert Center-Rice Road (Hwy 177), 21.8 miles north of Desert Center, 5.1 miles south of junction with Highway 62 (West of Palen Pass 7.5' Q.) 285 Comment
  UC501500  Dicoria canescens Frank W. Peirson 1924-12-30 5425 Riverside 1000 Palms Canyon 121 Comment
  CLARK-A1528-4585  Digitaria ischaemum John C. Roos 1951-9-25 5276 Riverside Riverside 259 Comment
  UCR139986  Digitaria sanguinalis A. C. Sanders 2004-8-10 28763 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) & south of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  UCR93088  Digitaria sanguinalis A. C. Sanders, S. Ogg 1994-7-28 15179 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  SD245481  Diplacus puniceus Robert Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49559 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. Comment
  CAS-BOT-BC168490  Dipsacus sativus Kurt Campbell 2006-6-15 s.n. Riverside Perris-Aguanga Basin: Temecula, NW corner of Moraga Rd. and Rancho California Road 335 Comment
  RSA421625  Ditaxis californica Robert Gustafson 1980-4-3 1523 Riverside Orocopia Mountains, about 6 miles east of Mecca along Box Canyon Road, south of the road 305 Comment
  POM13723  Ditaxis lanceolata E. C. Jaeger 1921-3-13 54 Riverside Red Rock Canyon near Mecca, Colorado Desert. Comment
  RSA70427  Ditaxis lanceolata F. W. Peirson 1921-3-23 2805 Riverside Deep Canyon Wash, 12 miles southeast of Palm Springs. 152 Comment
  UCD142874  Ditaxis lanceolata James Henrickson 1963-3-29 1215 Riverside 12 miles West of Desert Center, near Eagle Mt. 533 Comment
  RSA778006  Ditaxis neomexicana J. Andre 2011-2-9 15930 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  CAS-BOT-BC126756  Dithyrea californica A. C. Sanders 2010-3-15 37417 Riverside Sonoran (Colorado) Desert: pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  CAS-BOT-BC43653  Dithyrea californica Alice Eastwood 1913-4-30 2987 Riverside Palm Springs. Comment
  RSA721993  Dithyrea californica J. R. Bruff s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  UC1279723  Dithyrea californica David B. Dunn 1948-3-14 3774 Riverside 5 mi s Indio Hills (near Hidden Springs Ranch); Colorado Desert Comment
  UCD114732  Dithyrea californica Evert I. Schlinger 1952-3-28 31 Riverside Whitewater. 152 Comment
  RSA574741  Dodecahema leptoceras Steve Boyd 1982-4-27 s.n. Riverside Gavilan Hills region, Temescal Canyon, along Indian Wash, S of Di Palma Road and I-15. 366 Comment
  RSA461341  Dodecatheon clevelandii Albert J. Perkins 1895-05 s.n. Riverside Near Riverside Comment
  CLARK-A1045-151  Downingia concolor subsp. brevior George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains beside road; vernal pool near origin of creek; Wildomar 7.5'Q Comment
  SEINET3148491  Draba corrugata F. M. Reed 1908-7-11 2517 Riverside Summit of San Jacinto Mts. 3292 Comment
  UC168143  Draba corrugata Dr. A. Davidson Riverside summit Mt. San Jacinto Comment
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Jul 5 2012
  CAS-BOT-BC41633  Draba corrugata var. saxosa J. Ewan 1930-9-1 s.n. Riverside Summit of Mount San Jacinto. 3293 Comment
  UCR97294  Draba cuneifolia Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4120 Riverside Peninsular Range, Vail Lake Area, E flank of Oak Mtn, just south of E summit. 701 Comment
  POM8518  Draba cuneifolia var. integrifolia Mary F. Spencer 1920-3-24 1477 Riverside Indian Wells 122 Comment
  RSA613128  Draba verna D. L. Banks 1997-3-6 1398 A Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Fiesta Grounds , east of Pechanga Creek along the northern fork of Pechange Creek at the eastern end of the Reservation. 424 Comment
  POM188070  Drymocallis glandulosa var. glandulosa L. Crutcher 1933-7-1 17 Riverside Creek below Camp Tahquitz. Comment
  UC1495654  Dryopteris arguta R. T. Clausen 1963-4-23 63061 Riverside ridge s of Red Mt.; Transverse Ranges 1000 Comment
  RSA180422  Dudleya edulis E. W. Lathrop 1965-4-25 5698 Riverside 4 miles southwest of Murrieta on the De Luz Road. Comment
  SDSU13555  Dudleya lanceolata W. Miller with C. Mosse 1972-7-20 Riverside Upstream from Beaver dam. Comment
  UCR150915  Dudleya lanceolata Valerie Soza, LeRoy Gross 1999-6-10 508 Riverside Santa Ana Mountains, Upper side of Indian Truck Trail, 2.5 miles from junction with Main Divide Motorway 976 Comment
  RSA574737  Dudleya multicaulis Steve Boyd 1982-4-27 s.n. Riverside Gavilan Hills region, Temescal Canyon west of Horsethief Wash, south of Lee Lake on terrace escarpments just south of Di Palma Road. 396 Comment
  CAS-BOT-BC416942  Dudleya pulverulenta L. R. Abrams 1908-7-21 s.n. Riverside Elsinore Comment
  UCR58950  Dudleya saxosa Kenneth Cooper 1986-4-18 s.n. Riverside San Jacino Mtns, Oasis de los Osos Preserve of the nature conservancy, Snow Creek Canyon, at the N foot of the San Jacinto Mtns Comment
  RSA397787  Dudleya saxosa subsp. aloides Ora M. Clark 1929-2-22 1548 Riverside N. Whitewater. Comment
  UCSB24787  Echinocereus engelmannii Head, W. 1966-5-15 Riverside Pinyon Flats Campground 1249 Comment
  SEINET3071816  Echinocereus engelmannii subsp. engelmannii Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17500 Riverside Queen Mountain quadrangle, Queen Valley, 1km west of Desert Queen (McHaney's) Mine, 1km ESE of the summit of Negor Hill, 13km SSW of Twentynine Palms 1335 Comment
  UCR241259  Echinocereus engelmannii var. engelmannii Jeffrey Ross 1998-4-21 s.n. Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, below mouth of Lion Canyon along the road toward the canyon from Deep Creek Rd. 569 Comment
  JOTR31007  Echinocereus triglochidiatus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1292 Riverside Joshua Tree National Park. Stop 5: Hexie Mountains, steep gravel slopes above north side of Blue Cut Gorge Comment
  SD217180  Echinochloa crus-galli Darin L. Banks, Lauren Raz 1996-8-29 1134 Riverside NW foothills of Dorland Mountain; along Los Caballos Road, approx. 0.5 meters south of Highway 79, 100 meters north of the Golf Course access road; along the east side of the road under the drip irrigation line to a vineyard (I(c) mile north of T8S R2W S24) 398 Comment
  UCR6147  Echinochloa crus-galli C. M. Bringle, O. F. Clarke, et al. 1967-5-18 s.n. Riverside Santa Ana River bottom. Along banks of river behind Herrs' residence, 5453 Grassy Trails Drive. Taking path leading from pasture behind house, turn right at first fork and proceed along riverbank 229 Comment
  RSA532559  Echinodorus berteroi David E. Bramlet 1990-7-25 2061 Riverside San Jacinto River. The area is some 1,000 meters west of Nuevo. 473 Comment
  SEINET10680522  Elatine californica Robert F. Thorne 1978-5-21 Thorne 51987 Riverside Santa Rosa plateau, Mesa de Colorado. 610 Comment
  UCR266608  Eleocharis acicularis Mitch Provance 2011-6-6 17002 Riverside Edgemont area of Moreno Valley, from the northbound I-215 onramp at Allesandro Blvd., east to Old 215 Frontage Rd. 466 Comment
  UCR85591  Eleocharis acicularis var. acicularis Julie A. Greene, S. D. Boyd, D. E. Bramlet, Hilda Flores, H. Ochoterana 1993-7-9 1424 Riverside San Jacinto Valley, San Jacinto Wildlife Area [northwest of Lakeview] 433 Comment
  UCR111781  Eleocharis montevidensis Mitch Provance 1999-5-4 1707 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR21017  Eleocharis parishii A. C. Sanders, S. D. Boyd 1980-5-19 1503 Riverside San Jacinto Mountains, Strawberry Creek c. 100 m below the point where Hwy 74 crosses. 902 Comment
  SD136962  Elymus condensatus Steve Boyd 1992-6-10 7632 Riverside San Mateo Canyon about Potrero Escondido, an isolated area of low relief topping the ridge system due west of the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 671 Comment
  SEINET4208557  Elymus glaucus Scott D. White, Sandy Leatherman 2000-5-31 7979 Riverside Santa Ana Mts./Santa Rosa Plateau: Near Squaw Mountain.; 0 640 Comment
  RSA618394  Emmenanthe penduliflora D. L. Banks 1997-5-5 1969 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UCR158327  Emmenanthe penduliflora A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30069 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR216359  Emmenanthe penduliflora Mike Bell 2008-3-19 037 Riverside Sonoran (Colorado) Desert/San Bernardino Mtns., Bonnie Bell, along Whitewater River c. 2 miles north on Whitewater Canyon Rd. from I-10 freeway 537 Comment
  UCR85172  Emmenanthe penduliflora A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16098 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  UCR87618  Emmenanthe penduliflora A. C. Sanders 1994-5-30 14619 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCR906A  Emmenanthe penduliflora S. Riddell 1973-5-17 7 Riverside Santa Ana Mtns, Hwy 74, 8.8 mi west of Hwy 71-74 junction, west of Elsinore 640 Comment
  CHSC313  Encelia actoni E. Thomas 1949-4-9 Riverside Murietta. Comment
  UC1118035  Encelia actoni A. Lewis 1933-1-26 140 Riverside Cactus Valley San Jacinto Quad., Cactus Valley 640 Comment
Read comments
Mar 20 2011
  UCD131189  Encelia actoni Ted C. MacRae 1995-5-25 41 a Riverside 2.4 miles NE of Pinyon Flats on Highway 74, Santa Rosa Mountains. 1219 Comment
  UCR135729  Encelia actoni Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9006 Riverside Santa Rosa Mountains, along Hwy 74 on the Santa Rosa Mountain Grade, c. 0.5-0.8 mi NE of Black Hill 854 Comment
  UCSB18955  Encelia californica Wright, David 1963-5-5 Riverside State Highway 74, about 6.8 miles S of Dead Indian Creek 1066 Comment
  CAS-BOT-BC131344  Encelia farinosa L. R. Abrams 1926-3-26 11079 Riverside Palm Canyon Comment
  SD229085  Encelia farinosa Dick Schwenkmeyer 2012-11-6 865 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  SDSU3839  Encelia farinosa H. Wedberg 1962-4-20 903 Riverside 1.3 miles from Cranston Ranger Station on road to Mountain Center, Idyllwild Mountains. 732 Comment
  UC495309  Encelia farinosa Philip A. Munz 1932-3-14 11983 Riverside Deep Canyon, Coachella Valley 152 Comment
  UC895534  Encelia farinosa I. W. Clokey 1935-4-17 6946 Riverside Cottonwood Springs Comment
  UCD131206  Encelia farinosa K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  UCD19708  Encelia farinosa Donald W. Kyhos 1965-3-13 65 -111 Riverside 6.2 miles west of junction of Hwy 78 and Hwy 60-70 near Blythe. Comment
  UCR97691  Encelia farinosa A. C. Sanders, G. Helmkamp 1997-3-15 19966 Riverside Lake Skinner area: lower Rawson Canyon, along the dirt road toward Bachelor Mountain 457 Comment
  POM31393  Encelia farinosa var. farinosa Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  UC68861  Encelia frutescens H. M. Hall 1905-4-1 5859 Riverside near Canon Springs; Colorado Desert Comment
  RSA25346  Ephedra aspera C. L. Hitchcock 1940-3-29 5868 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  LA31385  Ephedra californica Jane Turner; 1959-3-29 C 181 Riverside Morongo Wash Comment
  LA6775  Ephedra californica LeRoy Abrams; 1903-4-6 3204 Riverside Palm Springs Comment
  NY70109  Ephedra californica F. A. Thackery 1928-3-6 254 -A Riverside White Water Comment
  CAS-BOT-BC81823  Ephedra nevadensis B. D. Stark 1932-6-17 3747 Riverside Colorado Desert. Eagle Mts., canyon above Cottonwood Springs 396 Comment
  RSA0019796  Ephedra trifurca April Garbat, Kristin Forgrave 2013-5-14 68 -B Riverside Blythe-Rice Rd, at the valley bottom approx 2 mi S of Hwy 62 (S of RR tracks) 243 Comment
  RSA0019797  Ephedra trifurca April Garbat, Kristin Forgrave 2013-5-14 68 -A Riverside Blythe-Rice Rd, at the valley bottom approx 2 mi S of Hwy 62 (S of RR tracks) 243 Comment
  UCR35212  Epilobium canum L. B. Ziegler 1966-9-13 100 Riverside Sonoran (Colorado) Desert, San Jacinto Mountains, Carrizo Spring (Carrizo Creek), c.3/8 mi above Hwy 74 crossing of canyon. 703 Comment
  RSA38400  Epilobium canum subsp. latifolium P. A. Munz 1946-10-20 11583 Riverside Cottonwood Springs; Joshua Tree National Monument. 1098 Comment
  RSA448508  Epilobium canum subsp. latifolium N. R. Zabriskie, W. M. Zabriskie 1972-10-22 547 Riverside Cactus Spring Trail between Dolomite mine & Horsthief Canyon; N slope Santa Rosa Mountains. (E of site 13). 1098 Comment
  RSA544384  Epilobium canum subsp. latifolium Steve Boyd, T. S. Ross 1991-6-14 6399 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  RSA5475  Epilobium canum subsp. latifolium Carl B. Wolf 1932-10-13 4309 Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  UCR39542  Epilobium ciliatum A. C. Sanders 1980-8-23 1748 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  RSA388408  Epilobium densiflorum Robert F. Thorne, Steve D. Boyd, E. W. Lathrop 1985-7-18 61170 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 534 Comment
  UC64473  Epilobium densiflorum H. M. Hall June 1901 2292 Riverside vicinity of Strawberry Valley San Jacinto Mountains (along water courses) 1600 Comment
  POM48603  Epilobium glaberrimum subsp. glaberrimum Mary F. Spencer 1919-7-2 1238 Riverside Idyllwild. San Jacinto Mountains. Comment
  UCR35288  Epipactis gigantea L. B. Ziegler 1972-6-12 484 Riverside San Jacinto Mtns,, Penrod Canyon drainage into upper Hemet (Garner) Valley 1570 Comment
  SD232575  Eragrostis lehmanniana Scott D. White 1995-7-7 3451 Riverside City of Riverside, Market St. crossing at Sta Ana Riv. USGS 7.5' Fontana quad. Open sandy wash, mostly flooded & scoured this winter. 344 Comment
  UCR2381  Eragrostis mexicana subsp. mexicana F. M. Reed 1907-11-24 2000 Riverside Riverside. Santa Ana River bottom near Chinese Gardens. Comment
  RSA737430  Eragrostis mexicana subsp. virescens Justin M. Wood 2008-8-31 126 Riverside Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  RSA655039  Eragrostis pectinacea Scott D. White 1999-7-9 7531 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  IRVC27681  Eragrostis pectinacea var. pectinacea A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15770 Riverside N slope of mtns.; Twin Pines Creek in vicinity of confluence w/ Brown Crk. & of the dirt road crossing San Jacinto Mtns. 854 Comment
  JEPS68602  Eremalche exilis W. L. Jepson 1927-4-11 11629 Riverside Whitewater n.w. Colorado Desert, Whitewater 457 Comment
  RSA4861  Eremalche exilis Carl B. Wolf 1932-4-27 3027 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
Read comments
Dec 11 2011
  UC68598  Eremalche exilis H. M. Hall Apr. 1905 5928 Riverside McCoy Wash Colorado Desert, McCoy Wash 91 Comment
  UCR41691  Eremalche exilis A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6034 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  SFV7917  Eremalche rotundifolia T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1280 Riverside Along Parker Dam Highway about 8 miles northeast of Desert Center. 183 Comment
  UCR16592  Eremalche rotundifolia K. W. Brown 1966-3-10 s.n. Riverside Sonoran (Colorado) Desert, near Homestead Ranch gate, 0ne-half mi. east of Palms-to-Pines Hwy, c. 2 mi. south of Palm Desert '350 ft. 183 Comment
  RSA421560  Eremocarpus setiger Freda Detmers 1931-6-19 s.n. Riverside Chino Hills. Comment
  CAS-BOT-BC160051  Eremothera boothii subsp. condensata Ynez Whilton Winblad 1937-3-21 s.n. Riverside Coachella Valley Comment
  SBBG60442  Eremothera boothii subsp. condensata R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  UCSB4441  Eremothera boothii subsp. condensata Broder, Richard 1958-3-1 Riverside 1.5 miles south of south entrance to Joshua Tree National Monument on U.S. 60-70 Comment
  UCD107064  Eremothera boothii subsp. desertorum G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2743 Riverside Chuckwalla Mountains. Graham Pass Road, 10.6 miles SSW of Chuckwalla Valley Road. 487 Comment
  UCSB42113  Eremothera chamaenerioides Roos, John 1966-3-26 Riverside 2.5 miles S.E. of Desert Center, Chuckwalla Mtns. Comment
  UCR279539  Eremothera refracta A. C. Sanders, Jim Malusa 2017-3-28 43156 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  HSC95245  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-16 137 Riverside Thomas Mtn. Rd., 1.5 km W of Thomas Mtn. Campground, both sides of road 1939 Comment
  LA106803  Eriastrum densifolium subsp. densifolium Elizabeth McClintock; 1938-7-17 sn Riverside San Jacinto Mountains, near Pine Cove Comment
  UCR135737  Eriastrum densifolium subsp. densifolium Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9001 Riverside Santa Rosa Mountains, along Hwy 74 on the Santa Rosa Mountain Grade, c. 0.5-0.8 mi NE of Black Hill 854 Comment
  RSA0120088  Eriastrum eremicum subsp. eremicum Peter L. Morrell, D. E. Krause 1995-5-1 460 Riverside Coachella Valley, NW corner of Baristo Rd. and El Cielo Rd., near cargo entrance to Palm Springs Municipal Airport 123 Comment
  SD128331  Eriastrum eremicum subsp. eremicum R. Mitchel Beauchamp 1971-5-16 2427 Riverside Ribbonwood, north side of Santa Rosa Mountains. 1175 Comment
  CAS-BOT-BC514464  Eriastrum eremicum subsp. eremicum C. L. Hitchcock 1940-4-4 5963 Riverside Cottonwood Springs, Joshua Tree Nat. Monument Comment
  UC23880  Eriastrum sapphirinum Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  RSA0122952  Eriastrum sapphirinum subsp. dasyanthum A. C. Sanders 1994-5-29 14551 Riverside San Bernardino Mountains: Morongo Indian Reservation, among hills on the low pass between Millard Cyn. and Potrero Cr. 750 Comment
  RSA0121564  Eriastrum sapphirinum subsp. dasyanthum Christopher Davidson 1975-6-16 2807 Riverside Ca. 4 miles S of Banning on road R1 to Idyllwild. Level saddle between two peaks. 1128 Comment
  JOTR30242  Ericameria linearifolia Leary, C. and Leary, Pat 1979-5-5 2990 Riverside Joshua Tree National Park. Above Lower Covington Flat, Joshua Tree N.M., T2S R7E sec 6. 1676 Comment
  JOTR31084  Ericameria linearifolia La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2346 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Monzo-granitic boulder outcrop south of Ryan Mountain campground (Stop 2) Comment
  RSA772850  Ericameria linearifolia Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4841 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
  UC750652  Ericameria paniculata Lewis S. Rose 1945-12-25 45319 Riverside 2 mi ne Garnet; Colorado Desert Comment
  UCD131579  Ericameria pinifolia A. C. Sanders; T. Tennant 1997-11-14 21603 Riverside San Bernardino Mountains: Morongo Indian Reservation, Hathaway Canyon. 854 Comment
Read comments
Dec 14 2016
  UCR277726  Ericameria pinifolia Kate Kramer 2016-11-29 369 Riverside San Jacinto Mountains, Living Free Animal Sanctuary, 0.6 mile east of the junction of Hwy 74 and Keen Camp Road 1471 Comment
  UCR154443  Erigeron foliosus A. C. Sanders, Mike Misenhelter 2005-6-15 30978 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  CAS-BOT-BC296232  Erigeron foliosus var. foliosus Mrs. J. D. Abrams 1901-5-19 s.n. Riverside Elsinore Comment
  CLARK-A1528-205  Erigeron foliosus var. stenophyllus C. M. Flanagan 1973-5-31 OO 604 Riverside Morongo Indian Reservation 914 Comment
  POM49136  Erigeron foliosus var. stenophyllus Mary F. Spencer 1919-6-19 1201 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  POM13315A  Eriodictyon crassifolium E. C. Jaeger 1921-4-7 1079 Riverside Murray Canyon, Palm Springs Comment
  POM230161  Eriodictyon crassifolium I. W. Clokey, Edward Anderson 1935-4-16 6834 Riverside East of Hemet 600 Comment
  RSA653350  Eriodictyon crassifolium B. F. Rogers 1984-4-21 9 Riverside Collected along trail & bank area of the west side of Strawberry Creek heading upstream. Starting point was 4.9 miles from Cranston Ranger Station heading East on Hwy. 74. 915 Comment
  UC748986  Eriodictyon crassifolium Susan Delano McKelvey 1935-12-3 5027 Riverside Palms to Pines Highway top of divide leading down to Hemet; San Jacinto Mts., Palms to Pines Highway Comment
  UCR17809  Eriodictyon crassifolium var. crassifolium O. F. Clarke 1973-4-6 s.n. Riverside San Jacinto Mtns, Juaro Canyon, lower west side of the mountains near Soboba Hot Springs 549 Comment
  UCR87934  Eriodictyon crassifolium var. crassifolium A. C. Sanders, N. Ferguson 1994-6-2 14623 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  JOTR34095  Eriogonum angulosum Herskovits, Tasya 2011-9-28 1 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Keys View; Burn area on gentle rocky slopes 1582 Comment
  CAS-BOT-BC248618  Eriogonum apiculatum Philip A. Munz 1937-5-30 15110 Riverside Dos Palmos Spring, north end Santa Rosa Mts. 1097 Comment
  CAS-BOT-BC248635  Eriogonum apiculatum James L. Reveal; Barbara J. Ertter 1976-6-30 4563 Riverside San Jacinto Mountains, Pinyon Flat, 2 miles north of California Highway 74 along Palm Canyon Drive 1249 Comment
  SBBG61841  Eriogonum apiculatum R. Hoffmann 1929-9-5 Riverside Strawberry Valley 2133 Comment
  SFV20154  Eriogonum davidsonii J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-5 263 .1 Riverside Santa Rosa Mountains Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 0.7 miles from Highway 74. 1500 Comment
  JOTR31983  Eriogonum deflexum var. deflexum La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2218 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; bouldery canyon with sandy wash bottom 731 Comment
  RSA393270  Eriogonum deflexum var. deflexum N. C. Cooper 1949-4-8 3315 Riverside Desert Center. 610 Comment
  RSA522717  Eriogonum elongatum Steve Boyd, Tim S. Ross 1989-8-28 3808 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  CLARK-A1528-997  Eriogonum fasciculatum subsp. polifolium John C. Roos 1948-5-15 3844 Riverside Eagle Mountains 853 Comment
  CAS-BOT-BC249962  Eriogonum fasciculatum var. foliolosum M. Bourell; R. Patterson; S. Timbrook 1986-4-7 2951 Riverside Temescal Canyon Rd. ca. 1 mi. SE of Glenn Ivy Hotsprings [Hot Springs] Rd. ca. 200 m. from RR overpass 259 Comment
  RSA0097950  Eriogonum fasciculatum var. polifolium Duncan S. Bell 2014-11-14 7723 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  CAS-BOT-BC253498  Eriogonum gracile A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt 2010-5-17 38394 Riverside 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. 502 Comment
  SBBG62100  Eriogonum gracile P. A. Munz 1928-9-6 11284 Riverside near Santa Ana River, Ontario to Corona Rd Comment
  RSA242183  Eriogonum gracile var. incultum James L. Reveal, Caroline G. Reveal 1972-8-9 2851 Riverside Along California Highway 74 at Strawberry Creek, about 5.5 miles west of the junction with Highway 243. 915 Comment
  JOTR35085  Eriogonum inflatum La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3536 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with metasedimentary rocks; exposed ridge with rocky outcrops Comment
  RSA766083  Eriogonum inflatum Joseph A. Ewan 1930-4-18 3087 Riverside Dry Morongo Creek below Morongo Valley. 518 Comment
  CAS-BOT-BC270597  Eriogonum molestum James L. Reveal; C. Rose Broome 1987-6-27 6605 Riverside Along California Highway 243, 0.4 mile northwest of Lake Fulmor, about 13.8 miles northwest of Idyllwild, San Jacinto Mountains 1600 Comment
  RSA393697  Eriogonum molestum Anstruther Davidson 1930-1 s.n. Riverside Mt. San Jacinto. Comment
  JEPS56625  Eriogonum nudum var. pauciflorum Carl V. Meyer 1928-8-1 623 Riverside near water supply spring (Tahquitz group, U. S. government summerhome site lots); San Jacinto Mt., U. S. government summerhome site lots 1767 Comment
  RSA393615  Eriogonum nudum var. pauciflorum N. C. Cooper 1949-6-29 4280 Riverside Palms to Pines Highway. 1220 Comment
  RSA754129  Eriogonum parishii W. Schlegel, Andrew Trouette 2008-8-8 1 Riverside Idyllwild: Dry creek bed. Comment
  JOTR29274  Eriogonum plumatella La Doux, Tasha 2005-8-17 1544 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Barker Dam; near Wall Street Mill parking lot along trail heading toward Wonderland Wash 1319 Comment
  OBI2690  Eriogonum pusillum Dieter H. Wilken 1966-3-26 771 Riverside Whitewater Cyn along E periphery Comment
  UC1329839  Eriogonum pusillum James E. Cole 1941-5-30 832 Riverside Quail Mountain Joshu Tree National Monument, Quail Mountain 1524 Comment
  UC472762  Eriogonum pusillum M. F. Spencer 1921-4-9 Riverside canyon pr. Palm Springs; Colorado Springs 182 Comment
  CAS-BOT-BC253011  Eriogonum reniforme N. Aitkenhead 1977-2-2 2196 Riverside ~1 mile from junction of J.T. Mon. Rd. and pipline Comment
  POM122132  Eriogonum reniforme Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  CAS-BOT-BC263518  Eriogonum thomasii Frank W. Peirson 1926-1-31 6490 Riverside Abundant at Dos Palmas, Colorado Desert Comment
  POM2312  Eriogonum thomasii I. M. Johnston 1917-4-4 1091 Riverside Near Palm Springs. Comment
  SBBG99612  Eriogonum thomasii W. L. Halvorson 1977-3-8 77 -92 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  SEINET3087249 Image available Eriogonum thomasii Norman C. Cooper 1949-4-8 3247 Riverside Mecca Pass east of Indio. Comment
  UCR20834  Eriogonum thomasii A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1322 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
  UCR72382  Eriogonum thomasii Theo Glenn 1991-5-7 91- 86 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 365 Comment
  UCR74367  Eriogonum thomasii Theo Glenn 1991-5-2 91- 11 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 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
  UCR244302  Eriogonum trichopes Jim Andre 2012-4-15 20857 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  LA207120  Eriogonum wrightii var. membranaceum C. M. Dammers; 1933-10-25 sn Riverside The Gavilan, Gavilan Hills Comment
  POM183873  Eriogonum wrightii var. membranaceum P. A. Munz 1932-10-16 12839 Riverside Palm Creek, Santa Rosa Mountains. 1463 Comment
  POM13304  Eriogonum wrightii var. nodosum E. C. Jaeger 1921-10-9 1068 Riverside Palm Springs. Comment
  RSA297402  Eriogonum wrightii var. nodosum Larry E. DeBuhr 1977-5-6 2587 Riverside Whitewater Canyon, ca. 4.5 miles N from I-10. Comment
  CHSC60219  Erioneuron pulchellum J. Lund 1980-4-2 Riverside Found 4.0 miles east of Meca on south side of road in a wash. 45 Comment
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May 29 2011
  CAS-BOT-BC297338  Eriophyllum confertiflorum Philip A. Munz 1937-5-30 15096 Riverside N of Vandeventer Flat, Santa Rosa Mts 1676 Comment
  SEINET7048189  Eriophyllum confertiflorum Steven R. Hill, Andrew C. Sanders 2001-5-4 33698 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  POM8304  Eriophyllum multicaule P. A. Munz, R. D. Harwood 1920-3-20 3386 Riverside Temescal Canyon. 366 Comment
  JEPS5421  Eriophyllum wallacei W. L. Jepson and H. M. Hall 1901-5-19 1272 a Riverside upper end San Jacinto River Comment
  RSA715095  Eriophyllum wallacei Sarah J. De Groot, J. Mark Porter 2006-3-14 5195 Riverside North foot of San Jacinto Mts., between Snow Creek Road and Highway 111; several miles downstream from gaging station. 366 Comment
  UCR116458  Erodium brachycarpum A. C. Sanders, T. B. Salvato 2001-3-30 23858 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  UCR92611  Erodium cicutarium Scott D. White 1994-3-29 1942 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  RSA525437  Erodium macrophyllum Steve Boyd, Dave Bramlet 1990-4-29 4482 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UCD84930  Erodium texanum Chuck Hughes 2010-3-22 202 Riverside Near edge of Rice-Midland Road. 269 Comment
  CAS-BOT-BC54341  Erysimum capitatum Tom Paradise 1993-5-22 19 Riverside James San Jacinto Mountains Reserve. 0.5 mile east of Highway 243, near Lake Fulmor. Comment
  UCR24925  Erysimum capitatum var. capitatum A. C. Sanders 1980-7-18 1651 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  SEINET13754614  Erythranthe diffusa B. Ertter, J. Strachan 1979-1 2975 Riverside Kenworthy Forest Station on Rt. 74 in Garner Valley, San Jacinto Mountains. Comment
  RSA0020086  Erythranthe floribunda Scott D. White, Justin M. Wood 2008-6-19 12261 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. 1585 Comment
  RSA0020087  Erythranthe floribunda Scott D. White, Julie Greene 1998-8-1 6961 Riverside Idyllwild Area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Drive and Humber Park. 1829 Comment
  RSA0014888  Erythranthe tilingii G. R. Campbell 1948-7-4 616 Riverside On streambank at Azalea Trails Girl Scout Camp, near Idyllwild. Comment
  RSA704003  Eschscholzia californica subsp. californica Daphne K. Christopher, H. Stevens, Z. Princip 2003-4-9 124 Riverside Near Hermano Road, off Hwy. 15, Indian Truck Trail exit. On right spur of primary dirt road. 550 Comment
  RSA0022945  Eschscholzia minutiflora Duncan S. Bell 2010-4-1 647 Riverside Arica Mountains: collecting near the Atchinson, Topeka, and Santa Fe railroad tracks approximately 3 air miles east of Priest Well, or approximately 4.3 air miles southeast of the ghost town of Rice. 216 Comment
  RSA5164  Eschscholzia minutiflora Carl B. Wolf 1932-4-26 2975 Riverside Colorado Desert: 5 mi. E of Mecca on Blythe rd. 30 Comment
  SBBG25098  Eschscholzia minutiflora D. Myrick 1966-4-2 1327 Riverside Linda Vista Lodge, Desert Hot Springs Comment
  SBBG81646  Eschscholzia minutiflora S. A. Junak 1983-3-23 1640 Riverside E side of Jefferson Rd across from entrance to Cahuilla Lake County Park, S of Indio Comment
  SD248466  Eschscholzia minutiflora T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7296 Riverside Sonoran (Colorado) Desert: south of Hwy I-10, north of the Chuckwall Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road (East of Aztec Mines 7.5'Q) 136 Comment
  UC10051  Eschscholzia minutiflora S. B. Parish Apr 4 1896-Apr 13 1896 4106 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. (desert base of mt.) 152 Comment
  RSA146383  Eschscholzia parishii W. R. Ernst 1960-3-15 720 Riverside East of Indio on Hwy 60-70, 6 miles W of Cactus City Comment
  UCR116809  Eschscholzia parishii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23939 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCSB18266  Eschscholzia parishii Day, Fran 1964-3-23 Riverside 4.2 miles N of south entrance to Joshua Tree National Monument 762 Comment
  RSA776842  Eschscholzia parishii Amber Swanson, Duncan S. Bell 2011-3-18 227 Riverside Above wash about 3 airmiles SE of Desert Center Nof the Chuckwalla Mtns 384 Comment
  SD152810  Eucalyptus camaldulensis Steve Boyd, Tim Ross 1992-2-21 6671 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south. 701 Comment
  UCR112493  Eucalyptus citriodora A. C. Sanders 1998-6-12 21981 Riverside Riverside, UCR campus, in gravel among trailers in 'surge area' (UCR trailer park) on east side of campus 335 Comment
  RSA420833  Eucrypta chrysanthemifolia Lester H. Cushman 1932-5-8 15161 Riverside Near Pedley, close to Santa Ana R. [River]. Comment
  RSA5017  Eucrypta chrysanthemifolia Dorothy R. Wolf 1932-3-20 17 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  RSA704001  Eucrypta chrysanthemifolia Daphne K. Christopher, H. Stevens, Z. Princip 2003-4-9 126 Riverside Near Hermano Road, off Hwy. 15, Indian Truck Trail exit. On right spur of primary dirt road. 550 Comment
  SD126650  Eucrypta chrysanthemifolia Ed LaRue 1989-3-30 Riverside Rancho California, ca. 4.0 miles west of Temecula, with Ave. del Oro as the north boundary. 381 Comment
  OBI29871  Eucrypta chrysanthemifolia var. chrysanthemifolia Melissa Luckow, Rhonda Riggins 1982-4-15 830 Riverside hwy 371, 1.2 mi N of jctn with hwy 79 in Aguanga 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
  RSA0107848  Eucrypta micrantha Duncan S. Bell, Amanda Turek 2009-3-30 168 Riverside Southeast section of the Arica Mountains; approximately 0.75 air mile west southwest of Priest Well. 332 Comment
  RSA776021  Eucrypta micrantha Duncan S. Bell 2010-3-20 607 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UCR41849  Eucrypta micrantha A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6111 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  CDA37670  Eulobus californicus T. C. Fuller 1962-4-3 7985 Riverside South of Highway 99, 1.7 miles west of junction with Highway 111 to Palm Springs, 4.3 miles east of Cabazon. 0 Comment
  UCR191541  Euphorbia albomarginata A. C. Sanders 2008-4-15 34888 Riverside Peninsular Range, NE edge of city of Elsinore, off Nichols Rd. along Baker St., near Durant Siding 391 Comment
  RSA0041458  Euphorbia eriantha Duncan S. Bell, LeRoy Gross 2014-3-20 6275 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  UCSB12561  Euphorbia lurida Olsen, David 1961-5-6 Riverside San Jacinto Mountains; 300 meters west of Riverside Highway 1, 8.2 miles south of Vista Guard Station 1798 Comment
  POM12172  Euphorbia misera E. C. Jaeger 1921-4-2 62 Riverside Whitewater Bench Comment
  SDSU7689  Euphorbia polycarpa S. J. Barnhart 1966-4-17 660417 -10 Riverside 0.1 mi. east of McAllister St., along the Metropolitan water Co. utility road (dirt). Intersection of Utility Rd. and McAllister St. is 1.5 mi. south-east of the intersection of McAllister St. and Victoria Ave. 457 Comment
  UCD142704  Euphorbia polycarpa G. L. Webster; R. Hildreth 1966-12-10 7463 Riverside Joshua Tree National Monument, near Cottonwood Canyon. 701 Comment
  RSA0015423  Euphorbia polycarpa var. polycarpa Marcus E. Jones 1929-9-16 s.n. Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  OBI39243  Euphorbia prostrata A. C. Sanders 1982-6-12 2714 Riverside Riverside, a weed in a garden at 422 Campus View Dr Comment
  RSA701365  Euphorbia spathulata Steve Boyd, Aydee Virgen 2004-4-13 10892 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA600225  Euphorbia supina L. C. Wheeler 1960-5-12 7703 Riverside University of California at Riverside. Comment
  SD143859  Eustoma exaltatum A. C. Sanders, C. L. Sanders, S. White 1994-10-9 15811 Riverside San Bernardino Mountains:Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell, in wet soil near spring 550 Comment
  POM4688  Euthamia occidentalis F. M. Reed 1904-11-5 380 Riverside Vicinity of Riverside Comment
  GMDRC9794  Fagonia laevis J. M. Andre 2017-3-1 37995 Riverside Orocopia Mountains: north end of range, near BLM Rd # 133, 3.5 mi. SE of Interstate 10 (at Box Cyn/Cottonwood Spring Rd exits). 606 Comment
  RSA485835  Fagonia laevis T. S. Elias 1988-2-26 10689 Riverside Joshua Tree. Northeastern section of Eagle Mountains east of Joshua Tree National Monument. Comment
  SBBG3962  Fagonia laevis H. and M. Dearing 1937-4-10 967 Riverside near Hayfield Comment
  OBI53020  Fagonia pachyacantha Kathleen Keil 1993-3-27 s.n. Riverside 18 mi W of Chiriaco Summit along I-10 Comment
  CDA22199  Fatoua villosa A. C. Sanders, S. Morgan 1994-10-7 15832 Riverside Riverside: UCR Botanic Garden. 0 Comment
  UCR91878  Fatoua villosa A. C. Sanders, Steve Morgan 1995-11-30 17927 Riverside Box Springs Mtns., UCR Botanic Garden 365 Comment
  CAS-BOT-BC59765  Ferocactus cylindraceus Ira L. Wiggins 1937-3-9 8748 Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR214150  Festuca microstachys A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37714 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.45 mi NNE (14 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 418 Comment
  UCR97745  Festuca microstachys B. G. Pitzer 1997-4-1 3047 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  UCR22058  Festuca myuros Steve Boyd 1980-4-27 145 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  UCR225508  Festuca octoflora A. C. Sanders 2011-3-30 38919 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
  UCR156089  Filago californica T. B. Salvato, Kent Beaman 2005-5-16 797 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
  CAS-BOT-BC454537  Fragaria vesca subsp. californica Marcus E. A M Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild, California Comment
  RSA762733  Frangula californica subsp. californica Patrick Garrett, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 87 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CAS-BOT-BC53338  Frangula californica subsp. cuspidata Carl B. Wolf 1932-8-6 3989 Riverside San Jacinto Mts. Strawberry Valley. Base of Devil's Slide Trail to Tahquitz Valley 1706 Comment
  SD229245  Frangula californica subsp. cuspidata Dick Schwenkmeyer 2012-6-27 742 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  UCR135852  Frankenia salina A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27896 Riverside Peninsular Range, Temescal Creek in Walker Canyon, at foot of Alberhill Mountain 378 Comment
  UCR261268  Frankenia salina A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41725 Riverside Elsinore Trough, north of Elsinore along a dirt road west of Baker St., behind house on hill at 17401 Baker St. 388 Comment
  RSA392141  Frasera parryi Anstruther Davidson 1876-6-7 s.n. Riverside Strawberry Valley. San Jacinto Mt. Comment
  UC878066  Fraxinus velutina P. A. Munz 1922-6-24 5810 Riverside Pipe Creek San Jacinto Mts., Kenworthy 1524 Comment
  RSA263771  Fritillaria biflora E. W. Lathrop 1971-3-24 7460 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA458586  Funastrum cynanchoides var. hartwegii N. C. Cooper 1944-5-19 1293 Riverside Banning. 701 Comment
  POM126255  Funastrum hirtellum T. Craig 1927-4-2 4 Riverside Hidden Springs Canyon. Comment
  SEINET10580702  Funastrum hirtellum Dunn 1932-3-26 Dunn s.n. 1932 Riverside Box Canyon Comment
  SD240829  Funastrum utahense Dave Silverman 2010-3-30 7886 Riverside East bajada flank of southern McCoy Mountains, 1 km west of Black Creek Road, 7.8 km east of McCoy Pk and 4.8 km N of I-10 164 Comment
  RSA0104489  Galium angustifolium Duncan S. Bell 2015-9-30 8666 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  UCR134644  Galium angustifolium Mitch Provance 1998-4-10 411 Riverside La Sierra Hills, east-facing slopes of hills at western extreme of Cypress Ave 351 Comment
  JEPS56035  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1967-3-19 4331 Riverside e-facing slope s Temecula (just n of county line) Comment
  POM367707  Galium angustifolium subsp. angustifolium N. C. Cooper 1947-4-5 2102 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  OBI69999  Galium angustifolium subsp. gabrielense David Charlton 1988-5-21 1912 Riverside Thomas Mountain Rd, from N to S. West of Garner Valley and S of Lake Hemet on hwy 74 1829 Comment
  CAS-BOT-BC223055  Galium angustifolium subsp. gracillimum Carl B. Wolf 1932-5-24 3648 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1/2 mi. below Fish Hatchery 548 Comment
  RSA761275  Galium angustifolium subsp. jacinticum Shawn Krosnick, Naomi S. Fraga, Lucinda A. McDade 2010-8-14 675 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC1929480  Galium angustifolium subsp. jacinticum Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1705 Riverside Peninsular Ranges; San Jacinto Mountains region; Slope above junction of Dark Canyon and Fuller Mill Creek. Comment
  UCR213474  Galium aparine A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37842 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  RSA701505  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot 2004-7-7 1297 Riverside Along Chimeny Flats Road (5S06) near intersection with Red Hill Road (5S10), on the way to Alvin Meadows. 1463 Comment
  UCR147259  Galium californicum subsp. primum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1280 a Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  JOTR34214  Galium multiflorum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 3006 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  UCR116510  Galium porrigens var. porrigens A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20644 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
  CLARK-A1045-214  Galium stellatum subsp. eremicum George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; rocky area at base of dry wash; Lost Horse Mtn. 15'Q Comment
  UCR260227  Galium stellatum subsp. eremicum A. C. Sanders, Jim Malusa 2015-3-11 41407 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, side canyon draining from the NE into large canyon containing the Gasline Road, c. 2.5 miles north of the Imperial Co. line, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  CAS-BOT-BC217620  Galium stellatum subsp. stellatum Annie M. Alexander; Louise Kellogg 1941-5-18 2200 a Riverside North slope of Eagle Mountains 1066 Comment
  UC889025  Galium stellatum var. eremicum C. L. Hitchcock 1940-3-30 5870 Riverside Cottonwood Spring Comment
  RSA97291  Garrya flavescens var. pallida F. W. Peirson 1933-4-13 10644 Riverside 1-2 miles SE of Palm Creek crossing, on road from Deep Canyon to Idyllwild, Santa Rosa Mts. 1524 Comment
  CAS-BOT-BC158073  Garrya veatchii Peter H. Raven 1958-5-18 12970 Riverside chaparral 2.3 miles from Mountain Center on road to Hemet, San Jacinto Mountains Comment
  RSA559952  Gastridium phleoides Steve Boyd, Orlando Mistretta 1992-4-23 7063 Riverside Santa Ana Mountains, 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
  RSA761893  Gayophytum Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 706 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  POM125121  Gayophytum diffusum subsp. parviflorum Mary F. Spencer 1921-7-9 1228 Riverside Tahquitz trail, Idyllwild. San Jacinto Mountains. 1829 Comment
  POM358672  Geraea canescens M. B. Dunkle 1932-3-25 2917 Riverside 10 miles NW of Indio. Comment
  RSA503391  Geraea canescens Gary D. Wallace, D. H. Wilken 1966-3-4 65 Riverside W end of Indio Hills on Warner road. 70 Comment
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Jun 13 2012
  RSA781746  Geraea canescens Duncan S. Bell 2011-12-30 3046 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  UCR245951  Geraea canescens Duncan S. Bell 2009-3-7 12 Riverside Arica Mountains, east side of range, c. 1.7 miles west of Priest Well 431 Comment
  UCR169927  Gilia A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23968 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  SBBG101794  Gilia angelensis S. Boyd with T. Ross, M. Hammitt 1991-5-2 6031 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
  UCR114822  Gilia angelensis Mitch Provance, Seychelle Provance 1998-2-21 90 Riverside Pedley Hills, E side of Camino Real, c. 0.5 miles south of Jurupa Road, in the areas of Pedley/Glen Avon. 396 Comment
  UC908040  Gilia latifolia Victor Duran 1935-4-18 Riverside near Indio (Curtis Palms); Curtis Palms -- near Indio Comment
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Dec 14 2011
  RSA771690  Gilia maculata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4686 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
  UCR110996A  Gilia ochroleuca George K. Helmkamp 1998-6-27 4102 A Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  UCR35048  Gilia splendens L. B. Ziegler 1977-6-5 569 Riverside San Jacinto Mtns, Banning/Idyllwild Road [Hwy 243] 1982 Comment
  POM13890  Gilia stellata P. A. Munz, D. D. Keck 1922-4-9 4822 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  RSA469734  Gilia stellata M. B. Dunkle 1937-3-25 4955 Riverside Dry Morongo. Comment
  RSA516873  Gilia stellata Steve Boyd, B. Roy, T. S. Elias, Sara Meury, S. Zona 1986-3-5 13511 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 & Box Canyon. Comment
  RSA516892  Gilia stellata Steve Boyd, Orlando Mistretta 1986-3-13 1408 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  RSA67730  Gilia stellata Verne Grant, Alva Grant 1952-4-1 17523 Riverside Near White Tank at summit of pass between Little San Bernardino Mountains and Pinto Mountains Comment
  RSA703478  Gilia stellata LeRoy Gross, Leland Lubinsky, Victor W. Steinmann, Linda Lee Worlow 2005-2-17 1422 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., [second UTM:] UTM 3720669N, 654757E. 480 Comment
  UCR216212  Gilia stellata Jim Andre, T. La Doux 2009-2-25 10826 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  RSA395909  Githopsis diffusa subsp. diffusa Steve Boyd 1986-4-22 1771 Riverside Temescal canyon: Terrace escarpment E side of Indian Wash, S of I-15. Comment
  RSA519248  Gnaphalium californicum 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
  UCR140563  Gnaphalium californicum Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 8- 66 Riverside San Jacinto Mtns, San Bernardino National Forest, Hwy 74 near Cranston Guard Station, 10 miles east of Hemet, Site L8 581 Comment
  UCR158716  Gnaphalium californicum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30001 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR225728  Gnaphalium californicum A. C. Sanders, T. B. Salvato 2011-3-30 38899 Riverside Peninsular Range, city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  UCR98674  Gnaphalium californicum 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
  RSA0043398  Gnaphalium californicum Margaret Murphy 1983-5-15 0028 -C Riverside North section of parcel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  UCR178835  Gnaphalium canescens Tracy Tennant 1998-8-28 MOR- 707 Riverside San Jacinto Mtns., along Hwy 243 opposite (west of) McMullen Flat, tree stand A01 1220 Comment
  RSA575909  Gnaphalium leucocephalum Steve Boyd 1994-10-14 8385 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland Nat'l Forest. San Mateo Canyon, sandy benches in canyon bottoms at the confluence with Bluewater Canyon. 329 Comment
  UCR143651  Gnaphalium leucocephalum Arlee Montalvo 2004-10-19 s.n. Riverside Peninsular Range, Temescal Canyon, near Glen Ivy Hot Springs, El Hermano Rd. at Temescal Wash, NE of I-15 and Temescal Canyon Rd. 305 Comment
  CAS-BOT-BC140527  Gnaphalium luteoalbum Oleg Pryadko 2008-5-2 054 Riverside San Bernardino Valley Region: western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  UC1979606  Gnaphalium luteoalbum D. L Banks, Steve Boyd 1995-5-17 0463 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. Comment
  SD197684  Gnaphalium palustre T. B. Salvato, A. C. Sanders 2005-5-17 920 Riverside San Jacinto Mountain foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and north of California Highway 74. 548 Comment
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Jul 11 2010
  UCR34923  Gnaphalium stramineum L. B. Ziegler 1968-7-17 331 Riverside San Jacinto Mtns, Hemet Valley. On shore of Lake Hemet, c. 50 ft. from waters edge 1357 Comment
  SEINET10728243  Gutierrezia David B. Dunn 1947-10-9 Dunn 3524 Riverside Joshua Tree National Monument at campground area by Hidden Valley. Comment
  UCR202006  Gutierrezia californica Mike Misenhelter 1998-7-7 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  HSC84154  Gutierrezia sarothrae B. Pitzer, Jack Easton 1987-3-10 387 Riverside Anza area, hills S of Thomas Mtn., ca. 3 mi. E of town of Anza on N side of Hwy. 371 1341 Comment
  UCR13731  Gutierrezia sarothrae J. Gull 1973-7-30 s.n. Riverside Santa Ana River Valley, Hills east of Norco. Comment
  UCR150638  Gutierrezia sarothrae Bern Schwenn 1994-9-18 s.n. Riverside Joshua Tree National Monument, E side of Little San Bernardino Mountains, in small canyon SE of Bernard Peak 1451 Comment
  CLARK-A1528-229  Haplopappus acradenius subsp. eremophilus John C. Roos 1969-11-10 Riverside Whitewater Comment
  SBBG120608  Harpagonella palmeri A. C. Sanders 2006-5-19 32379 Riverside hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd 518 Comment
  UCR217545  Harpagonella palmeri Diane Menuz 2008-4-9 399 Riverside Perris-Hemet Basin, Hartford Springs Reserve, near Idaleona Road 616 Comment
  RSA0066631  Harpagonella palmeri Steve Boyd, Orlando Mistretta 1991-5-22 6311 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  SD128548  Hazardia squarrosa var. grindelioides Reid Moran 1969-10-25 16662 Riverside Poppet Flat Road, N slope San Jacinto Mts. 1250 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
  RSA597077  Helianthus annuus D. L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1115 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; At the junction of Los Caballos Road and Hwy. 378 Comment
  UCR107719  Helianthus annuus A. C. Sanders 1997-3-1 19739 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  CDA6473  Helianthus gracilentus F. J. Willmarth 1961-5-26 Riverside Along Cherry Ave, north of Cherry Valley, Beaumont District. 0 Comment
  UCSB37798  Helianthus niveus Roos, John 1962-4-3 Riverside Palm Springs Airport 121 Comment
  SBBG87828  Heliotropium curassavicum var. oculatum A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6092 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckawalla Mtns 487 Comment
  UCR135863  Hemizonia A. C. Sanders 2004-4-20 27574 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  RSA343882  Hemizonia fasciculata R. F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60655 Riverside Santa Rosa Plateau: Mesa de Colorado. 625 Comment
  RSA656546  Hemizonia fasciculata A. C. Sanders 2000-5-25 23412 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
  UCR193122  Hemizonia mohavensis A. C. Sanders, Tim Thomas 2008-6-20 35555 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR82813  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15769 Riverside San Jacinto Mtns., N slope of mtns.; Twin Pines Creek in vicinity of confluence w/ Brown Crk. & of the dirt road crossing 854 Comment
  POM298246  Hemizonia paniculata H. M. Hall 1930-11-9 13025 Riverside Aguanga Hills, 5 miles from Aguanga. Comment
  RSA597061  Hemizonia paniculata D. L. Banks, Lauren Raz 1996-11-5 1156 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  UCR137601  Hemizonia paniculata John F. Green 2004-7-6 s.n. Riverside Santa Ana River Valley, north end of Payton Ave., Riverside, near natural gas pipeline facility, above Santa Ana River 229 Comment
  UCR69754  Hemizonia paniculata A. C. Sanders, C. McGaugh 1991-7-19 11155 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  UCR161460  Hemizonia pungens subsp. pungens Nathan Moorhatch 2005-9-23 s.n. Riverside Perris-Aguanga Basin, SW side of March ARB, north side of Nandina Avenue, west of Patterson Avenue 457 Comment
  RSA68718  Hesperocallis undulata Frank W. Peirson 1927-4-13 7178 Riverside Canyon near east end of Santa Rosa Mountains, 8 miles from boulevard; desert near Mecca. Comment
Read comments
Nov 13 2011
  SD137589  Hesperocnide tenella Darin L. Banks, Steve Boyd 1995-3-16 104 Riverside Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wilfhorse Peak, on the Wildhorse Trail 609 Comment
  UCR155166  Hesperocnide tenella A. C. Sanders 2005-5-4 29851 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR92701  Hesperocnide tenella A. C. Sanders, O. F. Clarke, et al. 1996-4-13 18033 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  RSA543839  Hesperolinon micranthum Steve Boyd, Orlando Mistretta 1991-5-22 6306 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  CAS-BOT-BC131794  Hesperoyucca whipplei C. B. Wolf 1931-5-11 1943 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mts. 1676 Comment
  CAS-BOT-BC310834  Heterotheca sessiliflora subsp. fastigiata P. A. Munz; E. K. Balls 1952-8-21 17990 Riverside Head of Hemet Valley, San Jacinto Mts. 1493 Comment
  JOTR31944  Hibiscus denudatus La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2182 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  POM13398  Hieracium horridum E. C. Jaeger 1922-8-22 1016 Riverside Long Valley trail 2439 Comment
  CAS-BOT-BC541413  Hilaria rigida Sarah J. De Groot; Duncan S. Bell 2015-10-13 7594 Riverside Santa Rosa Mountains, SSW of Palm Desert. Along Carrizo Rd just NW of Hwy 74 1057 Comment
  UCD84933  Hilaria rigida Chuck Hughes 2010-3-22 205 Riverside About 9.4 miles south of Highway 62, next to railroad tracks. 245 Comment
  UCD89927  Hilaria rigida William H. Brooks 24-25 Feb 1989 s.n. Riverside McCoy Wash, north of Blythe. 579 Comment
  RSA698742  Hoffmannseggia densiflora Mary Edmunds 1932-3-26 s.n. Riverside Oasis-Coachella Valley. Comment
  CAS-BOT-BC207551  Hoffmannseggia microphylla Miss Ferguson 1917-4-5 s.n. Riverside Near Palm Canyon Comment
  JEPS121511  Hoffmannseggia microphylla Adam C. Schneider with Will Freyman 2014-2-16 356 Riverside Bottom of Box Canyon Road Comment
  PASA1048  Hoffmannseggia microphylla 1930-3-30 Riverside Painted Canyon Comment
  UCSB33254  Hoffmannseggia microphylla Miller, Brian 1963-6-1 Riverside Powerline Access Road, 1/2 mile SW of Biskra Palms 24 Comment
Read comments
Jun 1 2013
  UCR141247  Holocarpha virgata subsp. elongata A. C. Sanders, Kelly Volansky 2004-10-6 28810 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  UCR220341  Hordeum D. E. Bramlet 1991-5-7 2122 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  UCR201820  Hordeum intercedens 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
  UCR99329  Hordeum intercedens D. E. Bramlet 1996-4-11 2449 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife Area, c. 762 m NE of Lakeview, 122 m east of Davis Road and 40 m north of Marvin Road 434 Comment
  UCR79250  Hordeum marinum subsp. gussoneanum Steve Boyd, T. S. Ross 1992-5-4 7176 A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 732 Comment
  JOTR35205  Hordeum murinum subsp. glaucum Harding, Mitzi, Tasya Herskovitz 2011-4-28 182 Riverside Joshua Tree National Park. Barker Dam, approx. 200m from trail head 1304 Comment
  RSA771740  Hordeum murinum subsp. glaucum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4763 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 600 Comment
  CAS-BOT-BC148558  Horkelia clevelandii John Thomas Howell 1927-8-2 2913 Riverside Idyllwild, Strawberry Valley, Mt. San Jacinto 1676 Comment
  CAS-BOT-BC148567  Horkelia clevelandii Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  JEPS44527  Horkelia clevelandii W. L. Jepson 1903-8-8 2296 Riverside San Jacinto Mt.,Tauquitz 2286 Comment
Read comments
Sep 5 2011
  POM21179  Horkelia clevelandii Fordyce Griffiths Jr. 1908-07 s.n. Riverside Strawberry Valley. 1829 Comment
  UC729824  Horkelia clevelandii Carl B. Wolf 1932-8-4 3927 Riverside 1 1/2 mi Idyllwild (on road to banning); San Jacinto Mts., Strawberry Valley 1706 Comment
  UCSC001449  Horkelia clevelandii Peter Kamb 1947-6-7 562 Riverside San Jacinto Mts, Hall Canyon 1646 Comment
  UC1951110  Hulsea heterochroma Scott D. White, Justin Wood 2009-5-21 12841 Riverside SAN JACINTO MOUNTAINS: McMullen Flat area, 0.35 mile N on Valley Hi Dr, from intersection w/ Twin Pines Rd. USGS Cabazon 7.5' Quad. Comment
  POM15086  Hulsea vestita subsp. callicarpha Mary F. Spencer 1922-6-15 1200 Riverside Prope [near] Idyllwild. San Jacinto Mt. 1220 Comment
  UCSB26726  Hulsea vestita subsp. callicarpha Wilken, Dieter 1969-6-30 Riverside Riverside County Road R1, near Black Mtn. junction, 8.6 miles north of Idyllwild, San Jacinto Mtns. 1524 Comment
  RSA302002  Hymenoclea salsola Jim Shevock 1971-3-5 738 Riverside Box Canyon, near Mecca. 305 Comment
  UCR238062  Hymenopappus filifolius var. lugens Mark A. Elvin 2004-6-2 3499 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, east of Hwy 74 between Fobes Ranch Rd. and Morris Ranch Rd. at base of foothills 1402 Comment
  RSA740240  Hypericum formosum var. scouleri Scott D. White, Justin M. Wood 2008-7-8 12369 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  SEINET269589  Hypochaeris glabra Scott White 1994-6-23 2092 Riverside San Gertudis Creek ca. 1 mi. E. of Skink Hollow. (Batchelor Mountian Quad.) 396 Comment
  LA61594  Hyptis emoryi J. A. Ewan; 1931-2-23 4044 Riverside Devils Canyon, above Coral Reef Ranch Comment
  RSA600126  Hyptis emoryi Louis C. Wheeler 1959-12-27 7642 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  SD144454  Hyptis emoryi G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2699 Riverside Colorado Desert: Midland Rd, 3.8 mi SE of Midland, Little Maria Mtns. Comment
  SEINET10498864  Hyptis emoryi David B. Dunn 1948-6-17 Dunn 3815 Riverside Ravine below quad 4 dry coudit. At camp in pushawalla canyon under palms Comment
  POM184190  Isocoma acradenia var. eremophila M. French Gilman 1932-11-30 6 Riverside Whitewater Point. Comment
  POM359530  Isocoma acradenia var. eremophila L. C. Wheeler 1931-11-27 375 Riverside 5 miles SE Mecca. -61 Comment
  SBBG118933  Isocoma menziesii S. D. White 1999-10-7 7623 Riverside S of McColl Ave and E of Interstate 215; T5S R3W S27 1450 Comment
  CAS-BOT-BC69866  Isoetes orcuttii Robert F. Thorne; E. Lathrop 1969-5-12 37943 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 624 Comment
  RSA606527  Isoetes orcuttii Jon E. Keeley 1985-4-18 7925 Riverside Main pool near road, Mesa de Colorado, Santa Rosa Plateau. Santa Ana Mountains 675 Comment
  UC857719  Isomeris arborea N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Oasis Comment
  RSA0077522  Isomeris arborea var. angustata G. Wallace 1964-4-26 s.n. Riverside Palm Springs area. Comment
  RSA85817  Ivesia santolinoides E. C. Jaeger 5445 Riverside County Well Canyon [6.8 miles below Pinyon Well on the road to Indio, presumably in what is now called Pushawalla Canyon] Comment
  POM115620  Ivesia saxosa A. M. Alexander, Louise Kellogg 1941-5-6 2125 Riverside 13 miles southwest of 29 Palms, Joshua Tree National Monument. 1372 Comment
  UC1951163  Juglans californica Scott D. White, Justin Wood 2009-5-22 12927 Riverside SAN JACINTO MOUNTAINS: Halfway Spring, accessed via Old Control Road. USGS Blackburn Canyon 7.5' Quad. Comment
  UCR93837  Juglans nigra A. C. Sanders, S. Hawkins 1996-4-24 18085 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  UCR96427  Juncus balticus Scott D. White 1996-8-1 4427 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA543622  Juncus bufonius Steve Boyd 1991-5-7 6157 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  UCR156285  Juncus bufonius T. B. Salvato, Kent Beaman 2005-5-16 829 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
  UCR281107  Juncus bufonius Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 25 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  SD187307  Juncus longistylis Scott D. White, Angelia Carey 2004-4-16 10177 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 548 Comment
  UCR201442  Juncus mexicanus Scott D. White, Justin M. Wood 2008-7-10 12456 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  POM1607  Juncus oxymeris D. L. Crawford, I. M. Johnston 1917-6-9 1232 Riverside Santa Ana River near Corona Comment
  RSA296135  Juncus rugulosus B. A. Prigge 1980-8-5 3842 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  RSA678972  Juncus rugulosus Scott D. White, Michael Honer 2003-6-3 9456 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  CHSC23326  Juncus tiehmii Robert F. Thorne; J. P. Simon, C. W. Tilforth 1969-6-24 38115 Riverside San Bernardino National Forest, San Jacinto Mts.: Above James Reserve in Hall Canyon. 1676 Comment
  POM261352  Juniperus californica Philip A. Munz 1940-3-24 15699 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  POM6497  Juniperus californica I. M. Johnston 1918-5-30 s.n. Riverside Between Elsinore and Perris. 548 Comment
  RSA33651  Juniperus californica N. C. Cooper 1944-5-20 1306 Riverside Pine Flats, Palms to Pines Hwy. 1220 Comment
  CAS-BOT-BC234565  Justicia californica L. S. Rose 1946-12-24 46304 Riverside Tahquitz Canyon Wash, Palm Springs 138 Comment
  CAS-BOT-BC234576  Justicia californica Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  JOTR34390  Justicia californica Andre, Jim 2012-4-16 20917 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  UC888147  Justicia californica Ivan Johnston Apr 4 1917-Apr 6 1917 Riverside near Palm Springs Palm Springs Comment
  UCD121630  Justicia californica Dan Axelrod 1932-3-23 s.n. Riverside Palm Springs. Comment
  UCR26300  Justicia californica John C. Roos, Lucille Roos 1949-4-11 4233 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Corn Spring Comment
  SEINET12316129  Justicia californica J. F. Bright, Wyman, C. 1933-1 8082 Riverside Mojave Desert near Palm Springs Comment
  SEINET9121537  Justicia californica Unknown 1978-1 Riverside Mecca, Box Canyon, desert wash. Comment
  RSA778398  Kallstroemia californica Amber Swanson 2011-10-9 651 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  CAS-BOT-BC235498  Keckiella antirrhinoides L. R. Abrams 1941-4-22 13882 Riverside Palomar School near Perris Comment
  RSA525429  Keckiella antirrhinoides Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4538 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  RSA773189  Keckiella antirrhinoides Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4896 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
  UC1063329  Keckiella antirrhinoides R. St. John 1929-5-23 30 Riverside Bautista Canyon; San Jacinto Quad. 609 Comment
  UCR137049  Keckiella antirrhinoides A. C. Sanders 2004-5-5 27764 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  SEINET12320803  Keckiella antirrhinoides R. A. Schlising 1972-1 3012 Riverside Santa Ana Mountains SW of Corona, near margin of Cleveland National Forest Comment
  SEINET4097042  Keckiella antirrhinoides var. antirrhinoides O. M. Clark 1929-1 1695 Riverside South Cabazon, southern California. Comment
  RSA131402  Keckiella cordifolia E. K. Balls 1958-6-27 23283 Riverside Yellow Pine Forest, upper edge. 5 mi. se. from Silverado (Gate), Silverado Canyon. 1098 Comment
  CAS-BOT-BC246201  Keckiella rothrockii Ralph Hoffmann 1929-9-6 s.n. Riverside Near Tahquitz Pk., San Jacinto Mts. Comment
  RSA0019431  Keckiella ternata subsp. ternata Verne Grant, Alva Grant 1951-7-19 16090 Riverside Idyllwild road, ca. 1 mile above Highway 74. 1220 Comment
  RSA697950  Krameria canescens J. R. Bruff 1928-4-1 81 Riverside Whitewater Comment
  LA45698  Krameria erecta Carl Epling; William Robison 1933-6-26 sn Riverside Little San Bernandino Mountains, Basin 5 mi. S of Lost Horse Wells Comment
  SFV17345  Krameria erecta J. D. Dilley, J. N. Hogue (109.7) 1998-4-24 280 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash, 0.5 miles east of Aztec Well. 579 Comment
  RSA5176  Krameria grayi Carl B. Wolf 1932-4-27 2986 Riverside Colorado Desert, 14 miles E. of Mecca on Blythe Road. 152 Comment
  UC472703  Krameria grayi M. F. Spencer 1922-4-28 405 Riverside Chino Canyon Palm Springs (Palm Springs); Colo. Desert, , Chino Canyon <Colorado Desert> Comment
  UC574891  Krameria grayi C. Epling and Wm. Robison 1933-6-26 Riverside basin 5 mi s Lost Horse Wells; basin s Lost Horse Wells Comment
  RSA0051604  Krameria parvifolia Lee Haines 1952-6-1 s.n. Riverside Palms to Pines Highway. 1158 Comment
  CLARK-A1528-1976  Lactuca serriola John C. Roos 1965-10-7 Riverside Beaumont Comment
  UC1929907  Lactuca serriola Scott D. White, Angelia Carey 2004-7-2 10572 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  UCR133687  Lamium amplexicaule 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
  UCR157946  Lamium amplexicaule T. B. Salvato, A. C. Sanders 2005-5-17 933 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
  RSA795475  Langloisia schottii C. P. Cowan 1978-4-23 1215 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct with Hwy 111 at Indian Wells. Whittaker transect no.W-220 (voucher). 950 Comment
  UCR41544  Langloisia schottii A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6012 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  CLARK-A1528-4432  Larrea tridentata John C. Roos 1942-5-1 Riverside Comment
  JEPS99401  Larrea tridentata D. H. Wilken, G. A. Wilken 1997-11-1 15373 Riverside Tributary of San Bernardino Wash, 0.3 km sw of Gold Crown Rd, sw slope of Pinto Mtns. Mojave Desert 605 Comment
  RSA389993  Larrea tridentata Elbert Benjamine 1929-4-6 142 Riverside Box Canyon, Coachella Valley, Colorado Desert. Comment
  RSA390032  Larrea tridentata E. A. McGregor 1966-3-21 s.n. Riverside Near Indio. Comment
  RSA681035  Larrea tridentata Scott D. White, Michael Honer 2003-5-14 9269 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA796103  Larrea tridentata Duncan S. Bell 2009-4-20 317 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  SBBG37531  Larrea tridentata R. N. Muller 1967-4-8 Riverside 1.5 mi W of CA 62 on Mission Crk Rd. (4.7 mi N of jct between US Hwy 60 and St Hwy 62) 579 Comment
  UCSB19493  Larrea tridentata Winn, Will 1963-2-23 Riverside 4 miles E of Mecca, Coachella Valley 15 Comment
  UCSB9623  Larrea tridentata Van Leeuwen, Henry 1957-4-12 Riverside Whitewater Canyon, 1 mi from US 101 Comment
  RSA586296  Lastarriaea coriacea D. L. Banks, S. D. Boyd 1995-5-3 206 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
  SD186090  Lasthenia californica A. C. Sanders, Mike Misenhelter 2005-3-23 29246 Riverside Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta. 701 Comment
  SEINET7063238  Lasthenia californica A. G. Vestal 1963-5-19 s.n. Riverside About 5.5 miles southwest of Cahuilla on Route 371 [on the Cahuilla Road]. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 896 Comment
  CAS-BOT-BC354215  Lasthenia coronaria Scott D. White 1996-4-14 3899 Riverside E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station. 548 Comment
  JEPS28846  Lasthenia coronaria Peter H. Raven 1962-3-19 16913 Riverside 1.6 mi ne of junction State Highway 71 (State Highway 74, n of Elsinore) Comment
  POM361562  Lasthenia coronaria Ora M. Clark 1929-2-22 1585 Riverside N. Whitewater. Comment
  RSA501046  Lasthenia coronaria Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3167 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA612681  Lasthenia coronaria D. L. Banks 1997-3-29 1617 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  UCR91214  Lasthenia coronaria Scott D. White 1996-3-31 3865 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
  UCSB6390  Lasthenia coronaria Ralph, F. 1960-4-1 Riverside White Water Canyon, 1.6 miles N of U.S. Hwy. 99; western edge of Colorado Desert Comment
  CAS-BOT-BC352913  Lasthenia coronaria John Thomas Howell 1930-5-10 4800 Riverside Top of St. John's Grade Comment
  RSA359867  Lasthenia gracilis Steve Boyd 1986-4-2 1614 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park 610 Comment
  RSA586494  Lasthenia gracilis D. L. Banks, S. D. Boyd 1995-5-9 0325 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
  UC1536904  Lasthenia gracilis G. H. True 1935-3-11 76 Riverside Box Springs 365 Comment
  UC62983  Lasthenia gracilis H. M. Hall 1902-4-21 2926 Riverside vicinity Riverside 457 Comment
  UCR140303  Lasthenia gracilis A. C. Sanders 2004-4-9 27461 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR91474  Lasthenia gracilis Scott D. White, M. Jacobsmeyer 1996-4-20 3959 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  SEINET6658653  Lathyrus sulphureus A. Atwood 1993-3-26 17654 Riverside Summit of Santa Ana Mts., 4.8 mi south of Lake Elsinore, along Hwy 74.; 0 813 Comment
  RSA33776  Lathyrus vestitus subsp. alefeldii N. C. Cooper 1944-6-4 1374 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  RSA606059  Lathyrus vestitus var. alefeldii R. S. Woglum 1937-5-22 586 Riverside Santa Rosa Mountains. Comment
  CAS-BOT-BC249032  Layia platyglossa A. C. Sanders; Nathan Moorhatch 2011-3-22 38796 Riverside Peninsular Range; Perris-Aguanga Basin: Romoland in Menifee Valley, powerline route along McLaughlin Rd. between Palomar Rd. and San Jacinto Rd. 442 Comment
  HSC5905  Layia platyglossa C. L. Hitchcock 1966-3-15 24146 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  RSA612820  Layia platyglossa D. L. Banks 1997-3-1 1349 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  UCR112395  Layia platyglossa A. C. Sanders, K. C. Rose 1998-5-21 21856 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  UCR215625  Layia platyglossa Crystal Sheehan 2010-5-10 49 Riverside Peninsular Range; Gavilan Hills Region, Lake Mathews Reserve, c. 1/4 mi. south of 13225 Cajalco Road, south of Lake Mathews, c. 0.4 mi. SE of intersection of Cajalco Rd. and La Sierra Ave. 429 Comment
  CLARK-A1656-836  Layia platyglossa subsp. campestris Lois Ann Scott 1978-4-11 Riverside San Gorgonio Pass Comment
  RSA549244  Leersia oryzoides A. C. Sanders, CNPS field trip, O. F. Clarke 1991-10-5 11740 Riverside Riverside, Fairmount Park. Along Spring Brook between Lake Evans and the Santa Ana River, ca. 50-100 m below the lake. Comment
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Jan 9 2008
  POM14284  Lemna gibba Philip A. Munz 1922-4-30 5111 Riverside Lancaster Valley, south of Hemet. Comment
  RSA741378  Lemna minuta Scott D. White, Justin M. Wood 2008-5-15 11978 Riverside Johnson Meadow. 1415 Comment
  UCD63692  Lepechinia cardiophylla Daniel Sanchez-Mata; Richard Halsey 2006-6-28 s.n. Riverside Corona. Cleveland National Forest. Santa Ana Mountains. Indian Truck Trail from Corona. 1110 Comment
  SD140146  Lepidium dictyotum var. acutidens A. C. Sanders 1993-4-5 13683 Riverside Western edge of Hemet, along south side of Devenshire Avenue between Old Warren and Warren Roads, south west of Tres Cerritos and north of Flo 459 Comment
  JOTR37718  Lepidium fremontii var. fremontii Hodges, Stephen R., T. Hender 2016-1-13 649 Riverside Joshua Tree National Park. Southern Pinto Basin between Eagle Mountains and the Coxcomb Mountains. Vicinity of Pinto Wells. Comment
  POM183960  Lepidium lasiocarpum P. A. Munz 1932-3-15 12006 Riverside Magnesia Spring Canyon, Coachella Valley. 91 Comment
  SBBG25548  Lepidium pinnatifidum O. F. Clarke 1985-5-13 Riverside San Jacinto River Valley, gun club ponds E of Davis Rd, a short distance N of Lakeview, E of the Bernasconi Hills 426 Comment
  SD119932  Lepidium virginicum var. pubescens Louis B. Ziegler 1972-5-30 470 Riverside San Jacinto Mountains, Hemet, Garner Valley 1399 Comment
  UCR94956  Lepidium virginicum var. pubescens Scott D. White 1996-8-15 4469 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  RSA715299  Lepidium virginicum var. robinsonii A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32656 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279. 579 Comment
  CAS-BOT-BC328100  Lepidospartum squamatum Marian L. Campbell 1921-3-20 28 Riverside Palm Springs Comment
  CAS-BOT-BC329439  Lepidospartum squamatum John Thomas Howell 1927-8-1 2905 Riverside Lower part of Morongo Canon, N Colorado Desert 609 Comment
  RSA697079  Lepidospartum squamatum J. R. Bruff 1927-11-24 4 Riverside Whitewater. Comment
  UC372931  Lepidospartum squamatum Marcus E. Jones, A. M. 1923-8-2 Riverside Indian Well Comment
  UCR113551  Lepidospartum squamatum Mitch Provance, Juanita Provance, Seychelle Provance, Claude Provance 1999-4-4 1754 Riverside Riverside, Prenda area (locally known as Whitegates Hills), c. 0.5 miles west of pk 1659. 366 Comment
  UCR244430  Leptosiphon aureus subsp. aureus Jim Andre 2012-4-16 20963 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  POM13824  Leptosiphon floribundus subsp. glaber P. A. Munz 1922-4-28 5048 Riverside Leach Canyon, Santa Ana Mts. 610 Comment
  RSA221059  Leptosiphon floribundus subsp. glaber E. W. Lathrop 1966-4-27 6216 Riverside Mail Divide Truck Trail between El Carriso and San mateo Canyon, Cleveland Nat'l. Forest. 1220 Comment
  RSA586117  Leptosiphon floribundus subsp. glaber D. L. Banks, S. D. Boyd 1995-4-5 0157 Riverside Cleveland National Forest, Agua Tibia Wildeness Area. N slope of Agua Tibia Mtn., E of the Dripping Sprngs Alcove, E of the Dripping Springs Trial, in the N flowing drainage that empties into Arroyo Seco 549 Comment
  RSA0081016  Leptosiphon liniflorus A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22216 Riverside San Bernardino Mtns.: Morongo Indian Reservation side canyon E of Middle Branch Millard Canyon. 1280 Comment
  HSC85389  Leptosiphon pygmaeus Steve Boyd 1986-4-13 1688 Riverside Harford Springs County Park, between creek and W flank of 'Cross Mountain Comment
  RSA680833  Lessingia glandulifera var. glandulifera Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8661 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
  SD229101  Lessingia glandulifera var. glandulifera Dick Schwenkmeyer 2011-8-25 648 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  UC421676  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2909 Riverside at Idyllwild (Strawberry Valley); Mt. San Jacinto, Strawberry Valley Comment
  CAS-BOT-BC283712  Leymus condensatus E. W. Lathrop 1966-5-25 6338 Riverside 5 miles NW of Murrieta Comment
  CAS-BOT-BC274536  Leymus triticoides H. Wedberg 1962-7-28 993 Riverside Meadow in Hemet Valley; about 1 mile from Hurkey Creek Public Camp on the road to Santa Rosa Summit, San Jacinto Mountains 1371 Comment
  RSA326151  Leymus triticoides John F. Emmel 1981-6-21 784 Riverside San Jacinto Mountains; Idyllwild; along Tollgate Road at bridge crossing of Strawberry Creek, near USC ISOMATA campus. 1524 Comment
  RSA561100  Leymus triticoides Steve Boyd, D. E. Bramlet 1992-5-12 7333 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Tenaja Canyon. 366 Comment
  RSA286795  Lilaea scilloides Robert F. Thorne 1974-5-23 44658 Riverside Santa Rosa Plateau, Rancho California: near junction of Teneja Road and road to ranch headquarters 610 Comment
  POM8112  Lilium parryi Mary F. Spencer 1919-7-4 1235 Riverside San Jacinto Mt., [San Jacinto Mountains]. 1220 Comment
  POM13146  Limosella aquatica Philip A. Munz, I. M. Johnston 1922-5-19 5430 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  UCR21922  Linanthus androsaceus Steve Boyd 1980-4-8 105 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UC667262  Linanthus bigelovii Annie M. Alexander and Louise Kellogg 1941-5-7 2134 Riverside Split Rock, Riverside and San Bernardino Counties Joshua Tree National Monument 1310 Comment
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Oct 23 2011
  RSA689372  Linanthus dianthiflorus Scott D. White 2001-4-19 8377 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
  UCR117320  Linanthus dianthiflorus A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 729 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR120893  Linanthus dianthiflorus Steve Boyd 1986-4-22 1779 Riverside Gavilan Hills, Plateau remnant of ridge east of Estelle Mountain, south of Dawson Canyon. 671 Comment
  POM364589  Linanthus dianthiflorus subsp. dianthiflorus Ora M. Clark 1929-4-7 2039 Riverside S. Hemet. Comment
  RSA192030  Linanthus dianthiflorus subsp. dianthiflorus E. W. Lathrop 1960-03 4654 Riverside 5 miles west of Murrieta. Comment
  RSA507967  Linanthus dianthiflorus subsp. farinosus Steve Boyd, C. Boyd, Kyle A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2309 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UC106872  Linanthus filipes M. M. Miles 1891-1 Riverside San Jacinto Comment
  UC1051457  Linanthus jonesii Herbert L. Mason 1952-4-7 14207 Riverside Palm Canyon Palm Spring Comment
  UCR85241  Linanthus jonesii A. C. Sanders, P. J. MacKay, C. L. Sanders, M. Jacobsmyer 1995-3-5 15996 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  UCR188668  Linanthus liniflorus Amanda Lovelady, Tina Hofmann 2007-5-20 35 Riverside Peninsular Range; Santa Ana (Elsinore) Mtns., c. 4 miles SW of city of Lake Elsinore, Cleveland National Forest, Morgan Trailhead at Main Divide Truck Trail, and surrounding area, between heads of Morrell and Decker Canyons 854 Comment
  RSA690947  Linanthus maculatus Scott D. White, Michael Honer 2003-5-13 9241 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon washWhitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
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Feb 3 2012
  RSA559963  Linaria canadensis var. texana Steve D. Boyd, Orlando Mistretta 1992-4-23 7076 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area Western flank of Bluewater Canyon along Bluewater Trail between canyon bottom and southern end of Oak Flats. 488 Comment
  UCR114759  Lithophragma parviflorum Scott D. White, D. E. Bramlet 1999-4-22 7236 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR162547  Lobularia maritima S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  SBBG122764  Loeflingia squarrosa A. Parikh 1990-5-12 168 Riverside Arroyo Seco, S of Dripping Springs Cmpgrd, 1 km S of Hwy 79, 2.8 km E of Woodchuck Rd 494 Comment
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Apr 29 2011
  UCR20971  Loeflingia squarrosa A. C. Sanders 1980-5-2 1428 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA796334  Loeseliastrum matthewsii Duncan S. Bell 2009-4-18 200 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  POM8008  Loeseliastrum schottii P. A. Munz, R. D. Harwood 1920-4-2 3569 Riverside Ford's well, west of Blythe. 305 Comment
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Dec 13 2016
  CAS-BOT-BC342106  Logfia arizonica Steve Boyd 1986-4-10 1642 Riverside Temescal Canyon: Along DePalma Road between Indian Truck Trail and Horsethief Canyon. 1.0 mi east of Indian Truck Trail Comment
  JOTR33734  Logfia filaginoides La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2734 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
  SDSU13923  Logfia gallica Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2135 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  RSA736304  Lolium rigidum Scott D. White, Justin M. Wood 2008-5-13 11951 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  SEINET251728 Image available Lolium rigidum Walter Graves 2002-5-15 502 -12 Riverside Grown at U.C. R. in Agricultural Opeations Fields 305 Comment
  CLARK-A1528-7869  Lomatium mohavense subsp. mohavense John C. Roos 1947-3-15 3330 Riverside San Jacinto Mountains 1219 Comment
  SEINET7040184  Lomatium utriculatum A. G. Vestal 1962-3-29 Riverside Canyon south of Murrieta [Sandia Caynon.] Murrieta Quad. UTM Zone 11, 482355mE, 3705515mN. Comment
  RSA574729  Lomatium vaginatum Steve Boyd 1981-4-10 s.n. Riverside Gavilian Hills region, Gavalian Plateau east of Estelle Mountain along Estelle Mountain Road. 671 Comment
  SDSU21254  Lonicera interrupta S. H. Bullock 1972-5-20 262 Riverside San Jacinto Mtns. Banning: Idyllwild rd. 3 mile S. US I-10. N exposure. 707 Comment
  POM17511  Lonicera subspicata var. denudata P. A. Munz 1923-6-18 7128 Riverside Temecula Canyon. Comment
  RSA494628  Lonicera subspicata var. denudata Maureen Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  SEINET10931686  Lotus David B. Dunn 1946-8-18 Dunn 2734 Riverside Found in san jacinto mts app 500' from peak. Comment
  UCR51354  Lotus argophyllus S. J. Myers 1988-2-1 s.n. Riverside Boulder Springs development, immediately SE of intersection of Hwy 60 and Nason St., Moreno Valley 518 Comment
  UCR84621  Lotus argophyllus Scott D. White 1994-4-21 1994 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  JEPS79925  Lotus argophyllus var. argophyllus C. B. Clokey, I. W. Clokey, B. C. Templeton 1930-4-15 4638 Riverside Perris-Gavilan Peak 600 Comment
  UCR138757  Lotus crassifolius Scott D. White 1997-5-18 5178 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  UC80920  Lotus crassifolius var. crassifolius A. W. Anthony 1895-7-13 Riverside San Jacinto Mountains 2438 Comment
  RSA342542  Lotus heermannii R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54089 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  RSA717625  Lotus heermannii Scott D. White 2006-4-27 11284 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UCR214270  Lotus humistratus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37740 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  RSA0018992  Lotus nevadensis Steve Boyd, Gary D. Wallace 2005-7-30 11657 -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
  RSA160514  Lotus nevadensis var. nevadensis J. D. Olmsted 1959-5-23 657 Riverside Desert Sun School near Idyllwild 1646 Comment
  RSA406176  Lotus nevadensis var. nevadensis N. C. Cooper 1944-7-16 1561 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  UC219318  Lotus nevadensis var. nevadensis P. A. Munz 1922-6-27 5851 Riverside Santa Rosa Santa Rosa Mts. 2011 Comment
  POM2464  Lotus oblongifolius H. M. Hall 1901-07 2380 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  LA47937  Lotus oblongifolius var. oblongifolius Elizabeth McClintock; 1939-9-1 sn Riverside San Jacinto Mountains, Idyllwild Comment
  UCR193882  Lotus purshianus A. C. Sanders 2008-7-25 35895 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  SEINET3563106 Image available Lotus rigidus Leila M. Shultz, John S. Shultz 1985-4-18 8331 Riverside Chuckawalla Mountains, 1 mile west of Astec Well, 11.7 miles south of I-15 616 Comment
  UCR237490  Lotus rigidus Duncan S. Bell 2011-3-18 2057 Riverside Mojave Desert, Chuckwalla Mountains, north side of mountain range c. 3 air mi southeast of Desert Center 392 Comment
  UCR269856  Lotus salsuginosus var. brevivexillus A. C. Sanders, Jim Malusa 2016-3-17 42356 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, along Gasline Road at major wash crossing 1.9 miles south of Bradshaw Trail 675 Comment
  JOTR31043  Lotus scoparius var. brevialatus La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2027 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  POM27177  Lotus scoparius var. brevialatus Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. Comment
  UCR180585  Lotus scoparius var. brevialatus Scott D. White, Angelia Carey 2004-4-5 10005 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  RSA613408  Lotus strigosus D. L. Banks 1997-4-5 1683 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just west of the Pechanga Indian Reservation boundry, at the headwaters of a tributary of the north fork of Pechanga Creek. 768 Comment
  RSA709183  Lotus strigosus A. C. Sanders, T. B. Salvato 2005-4-28 29767 Riverside Peninsular Ranges: Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine. 625 Comment
  UC1007204  Lotus strigosus Philip A. Munz 1940-3-23 15722 Riverside n end Pinto Basin; Mohave Desert 609 Comment
  UCR102952  Lotus strigosus George K. Helmkamp 1998-4-4 3153 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR22099  Lotus strigosus Steve Boyd 1980-4-27 149 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  RSA779021  Lotus strigosus var. strigosus Duncan S. Bell 2010-4-1 653 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains ; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  UCR245962  Lotus strigosus var. tomentellus Duncan S. Bell 2009-3-8 78 Riverside Arica Mountains, NW side of range, c. 3.2 air miles NW of Priest Well, or c. 6.5 air miles SW of ghost town of Rice 513 Comment
  RSA554648  Lotus tomentellus A. C. Sanders, E. J. Lawlor 1992-4-4 12089 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA50572  Lotus unifoliolatus E. C. Jaeger 1949-7-24 s.n. Riverside Virgin spring, Santa Rosa mountains Comment
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Nov 6 2011
  RSA90137  Ludwigia peploides subsp. peploides E. K. Balls, George B. Everett 1953-8-19 18528 Riverside Lake Fulmore, on road from Banning to Idyllwild. 1625 Comment
  UC1713654  Lupinus H. M. Hall 1901-7 2498 Riverside Tamarack Valley; San Jacinto Mountains, Tamarack Valley Comment
  RSA414450  Lupinus argenteus var. tenellus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA692204  Lupinus arizonicus Scott D. White, Michael Honer 2003-5-14 9285 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UCR112090  Lupinus arizonicus A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23364 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCSB3338  Lupinus arizonicus Sage, Paul 1958-3-22 Riverside 3 mi. directly S of jct. of road that crosses Joshua Tree National Monument, on U.S. 60 457 Comment
  SEINET6180878  Lupinus arizonicus subsp. setosissimus Noel H. Holmgren, Patricia K. Holmgren 1974-3-23 7469 Riverside Box Canyon wash, 11.4 (9 airline) imles east-northeast of Mecca.; 0 244 Comment
  RSA0013624  Lupinus bicolor LeRoy Gross, Duncan S. Bell 2013-4-30 6031 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek., Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  RSA613859  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 1997-3-5 1334 Riverside Cabazon; 0.5 mi N of I-10 on Millard Rd. 564 Comment
  UCR122536  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2001-5-20 6662 Riverside San Jacinto Mtns., 0.3 mi NW of Keen Camp Summit along CA-74 1494 Comment
  SEINET9312483  Lupinus concinnus Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  UCSB3265  Lupinus concinnus Ralph, F. 1959-5-17 Riverside Along roadside of Pines to Palms Hwy. 74; about 17.2 miles north of Pinon Flats Campground; San Jacinto Mtns. 1371 Comment
  RSA543577  Lupinus excubitus var. austromontanus Steve D. Boyd 1991-5-7 6159 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  POM2500  Lupinus excubitus var. hallii I. M. Johnston 1918-5-30 1996 Riverside Temescal Canyon 366 Comment
  RSA413709  Lupinus hirsutissimus Jeannette B. Edge 1934-3-25 18876 Riverside Jurupa Mountains Comment
  RSA307238  Lupinus hyacinthinus Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2110 Riverside Santa Rosa Mountains. Comment
  UC15767  Lupinus latifolius var. parishii Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  UC73187  Lupinus latifolius var. parishii M. F. Gilman 1904-1 44 Riverside Banning Comment
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Mar 13 2011
  UCR79236  Lupinus longifolius Steve Boyd 1992-4-15 6881 Riverside Santa Ana Mtns, San Mateo Canyon Wilderness: Bluewater Canyon along Bluewater Trail, downstream to the confluence with San Mateo Creek 488 Comment
  RSA619547  Lupinus microcarpus D. L. Banks 1997-5-5 1996 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  JEPS85700  Lupinus microcarpus var. densiflorus W. L. Jepson 1939-4-19 19211 Riverside 3 mi s Aguanga; s of Aguanga 731 Comment
  UCR90607  Lupinus microcarpus var. densiflorus Scott D. White 1995-6-29 3391 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  SEINET7062849 Image available Lupinus microcarpus var. microcarpus A. G. Vestal 1947-3-29 s.n. Riverside East of Lake Elsinore along Railroad Canyon Road. UTM Zone 11, 473624mE, 3725049mN. (WGS84/NAD83). 472 Comment
  SEINET12154750  Lupinus sparsiflorus Unknown 1936-1 12819 Riverside San Jacinta Mts, S of Palm Springs Comment
  POM12644  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz, D. D. Keck 1922-4-9 4901 a Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA50800  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2310 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UC1537131  Lupinus succulentus Gordon H. True Jr. 1935-4-5 211 Riverside near Gavilan Peak Gavilan Hills; , Gavilan Hills 640 Comment
  RSA496472  Lupinus truncatus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3088 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, W of Woodchuck Rd. 488 Comment
  SD237445  Lupinus truncatus T. B. Salvato, Matt MallA^, Tim Searl 2011-4-19 5165 Riverside Peninsular Range: Gavilan Hills: Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15 (Alberhill 7.5'Q) 462 Comment
  UCR17753  Lupinus truncatus O. F. Clarke 1973-4-6 s.n. Riverside San Jacinto Mtns, Juaro Canyon, lower west side of the mountains near Soboba Hot Springs 549 Comment
  UCSB10439  Lupinus truncatus Lloyd, Robert 1960-3-23 Riverside 2 miles up Snow Canyon Road; from State Rd. 111; Colorado Desert Drainage Area; San Jacinto Mountain Range 609 Comment
  RSA69479  Luzula comosa F. W. Peirson 1922-5-19 3039 Riverside San Jacinto River. 1143 Comment
  HSC83030  Lycium andersonii Miles Fellows 1985-3-3 97 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of San Jacinto Mtns. 1 mi. W of Snow Creek Village 488 Comment
  RSA0015686  Lycium andersonii Duncan S. Bell 2013-9-29 6044 Riverside Chuckwalla Mountains; south side of Corn Springs Wash, in small side canyon approximately 1.6 air miles west of Corn Springs. 588 Comment
  RSA49383  Lycium andersonii Philip A. Munz 1949-4-11 12999 Riverside Mojave Desert. Joshua Tree National Monument. Eastern end of Monument. 945 Comment
  SD143703  Lycium andersonii G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2693 Riverside Colorado Desert: Midland Road., 3.8 mi. SE of Midland, Little Maria Mts. sandy wash Comment
  CLARK-A1528-4348  Lycium brevipes John C. Roos 1949-3-19 4105 Riverside Dos Palmas Spring Comment
  RSA667369  Lyrocarpa coulteri var. palmeri M. B. Dunkle 1937-3-25 4927 Riverside Colorado Desert. Shaver s Well Comment
  UCR19114  Lythrum californicum John C. Roos 1946-9-14 3010 Riverside Santa Rosa Mtns, Dos Palmas Spring, east of Asbestos Mountain 1070 Comment
  RSA675800  Lythrum hyssopifolia Scott D. White 2001-7-9 8718 Riverside Menifee: 1 mile southwest of Bell Mtn. and 1/2 mile east of I-215 Freeway. 445 Comment
  CLARK-A1528-2000  Machaeranthera cognata John C. Roos 1949-4-6 4138 Riverside Orocopia Mountains Comment
  RSA781414  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell 2011-10-22 2994 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  UC33263  Madia elegans H. M. Hall 1901-6 + 2662 Riverside vicinity Strawberry Valley; San Jacinto Mountains, vicinity of Strawberry Valley 1584 Comment
  RSA585728  Madia exigua D. L. Banks, S. D. Boyd 1995-5-9 0392 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 701 Comment
  RSA642297  Madia exigua D. L. Banks, Mike Kinney 1998-6-8 2203 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. 475 Comment
  CAS-BOT-BC206694  Malacothamnus densiflorus Ynez W. Winblad 1938-5-15 s.n. Riverside Lake Elsinore Comment
  CSUSB1011  Malacothamnus fasciculatus Heidi A. Haid 1964-5-8 6458 3 Riverside Box Springs Mountains Box Springs Mountains; 1/8 mile above end of Blaine Street. 426 Comment
  RSA500205  Malacothrix clevelandii Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-5-7 3539 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA747962  Malacothrix clevelandii Justin M. Wood 2009-5-11 706 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  SD136903  Malacothrix clevelandii Steve Boyd 1992-4-14 6837 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. 340 Comment
  UC218096  Malacothrix clevelandii P. A. Munz and I. M. Johnston 1922-5-19 5347 Riverside 5 mi ne Murietta 457 Comment
  UCR112969  Malacothrix coulteri B. G. Pitzer, T. Tennant 1998-2-21 3534 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, on the lakebed, 1/2 to 3/4 mi.le SE of the pumping station 412 Comment
  CAS-BOT-BC347681  Malacothrix glabrata C. L. Hitchcock 1940-4-3 5929 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument Comment
  POM294109  Malacothrix glabrata Lyman Benson 1946-4-15 12017 Riverside 2 miles east of Banning, Colorado Desert. 609 Comment
  UC494757  Malacothrix glabrata C. L. Hitchcock 1932-4-7 12212 Riverside 5 mi s Cottonwood Springs Comment
  UCR82904  Malacothrix saxatilis A. C. Sanders, S. White, C. L. Sanders 1994-10-9 15800 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  SD129607  Malacothrix saxatilis var. tenuifolia Ed LaRue May 1989 Riverside Hills east of Beaumont, along Potrero Creek. 700 Comment
  CAS-BOT-BC167853  Malosma laurina John Roos; Lucille Roos 1954-7-10 6191 Riverside North side Pigeon Pass, Box Springs Mts. 487 Comment
  RSA388411  Malosma laurina R. F. Thorne, Steve D. Boyd, Earl Lathrop 1985-7-18 61208 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  OBI74465  Marah macrocarpa David J. Keil 1983-4-15 16902 Riverside E of Temecula on SR 79 Comment
  RSA605764  Marah macrocarpa Scott D. White 1996-3-16 3830 Riverside Lakeview Mts, N of Winchester, at Maze Stone Picnic Area. SE-facing slope. 610 Comment
  UCR102730  Marah macrocarpa B. G. Pitzer 1998-1-25 3418 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  UCSB42176  Marah macrocarpa Roos, John 1966-4-23 Riverside Santa Ana Mtns., S of Corona Comment
  CAS-BOT-BC218950  Marina parryi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center Comment
  POM147636  Marina parryi F. M. Reed 1927-3-20 5427 Riverside Salt Creek Wash. Comment
  RSA0099447  Marina parryi Duncan S. Bell, Evan Meyer 2014-10-29 7693 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  RSA381086  Marsilea vestita R. F. Thorne, Steve Boyd, Earl Lathrop 1985-7-18 61175 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  CAS-BOT-BC348066  Matricaria discoidea A. C. Sanders; T. B. Salvato 2011-3-28 38810 Riverside Peninsular Range; Perris-Aguanga Basin Region: Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  SDSU18641  Matricaria discoidea C. Matt Guilliams, Jeannine Ross 2008-3-12 527 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Collections near the Dudleya multicaulis restoration site. 388 Comment
  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
  CAS-BOT-BC465567  Matricaria occidentalis R. E. Riefner, Jr. 2015-4-3 15 -110 Riverside City of Menifee, Haun Rd. at Holland Rd. 446 Comment
  UCR232930  Matricaria occidentalis R. E. Riefner Jr. 2011-5-31 11- 62 Riverside French Valley, immediately northeast of Hwy 79 and the intersection with Algarve Avenue 415 Comment
  RSA651342  Matthiola incana John Edwin Burns 1948-2-25 s.n. Riverside Riverside. 304 Comment
  UCR143014  Medicago lupulina D. L. Crawford, I. M. Johnston 1917-6-9 1234 Riverside San Bernardino Valley/Upper Santa Ana River, Santa Ana River near Corona 152 Comment
  RSA613455  Medicago polymorpha D. L. Banks, Victor W. Steinmann 1997-3-13 1437 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA617162  Medicago polymorpha Scott D. White, M. Jacobsmeyer 1996-4-20 3962 Riverside Perris area: Just S of Perris Airport, SE of Goetz Rd. / Mapes Rd. intersection, N of San Jacinto River channel 430 Comment
  POM348040  Medicago polymorpha Ora M. Clark 1929-3-2 1633 Riverside Near Elsinore. 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
  RSA700956  Melica imperfecta Gary D. Wallace 1982-5-15 2008 Riverside Palms to Pines Highway (74), just E of Spring Crest. Comment
  UCR133432  Melica imperfecta Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 202 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  UCR5910  Melica imperfecta Leland E. Francois 1966-4-23 42366- 7 Riverside Mojave Desert, Joshua Tree National Monument [now J.T. National Park], south edge of Ryan Mountain Campground 1300 Comment
  RSA586853  Melilotus albus D. L. Banks, S. D. Boyd 1995-5-3 0272 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UC56213  Mentzelia affinis H. M. Hall Apr. 1903 3829 Riverside vicinity Riverside; Southern California 365 Comment
  UCR26147  Mentzelia desertorum John C. Roos, Lucille Roos 1949-4-9 4208 Riverside Sonoran (Colorado) Desert, near the Riverside Mtns., 30 miles north of Blythe 137 Comment
  POM306693  Mentzelia involucrata Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1689 Riverside Near Desert Center-Indio. Comment
  RSA124076  Mentzelia involucrata Percy C. Everett, E. K. Balls 1958-4-29 23009 Riverside Hwy 60/70, Indio to Blythe, 6.5 miles E from Jct with Hwy 9. 244 Comment
  UCR102746  Mentzelia involucrata B. G. Pitzer 1998-2-1 3445 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  RSA440448  Mentzelia jonesii H. M. Hall 1905-05 6002 Riverside Cottonwood Pass. 701 Comment
  SD3161  Mentzelia laevicaulis Frank Stephens Jun 1920 Riverside 3.0 miles east of Morena. Comment
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Nov 19 2011
  RSA446831  Mentzelia obscura N. C. Cooper 1949-4-8 3303 Riverside Desert Center. 610 Comment
  UCR228259  Microseris douglasii subsp. douglasii A. C. Sanders, T. B. Salvato 2011-4-1 38936 Riverside Peninsular Range, Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  UCR135810  Microseris douglasii subsp. platycarpha A. C. Sanders, Guy Bruyea 2004-4-2 27428 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
  RSA652926  Microseris heterocarpa A. C. Sanders 1997-5-1 20626 Riverside Along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  POM363471  Microseris lindleyi Ora M. Clark 1929-3-2 1597 Riverside Near Alberhill Comment
  UCR103258  Microseris lindleyi B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3569 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCD122229  Mimulus aurantiacus Maureen H. Pendleton 1988-2-1 s.n. Riverside Ca. 2 1/2 mi. S of Temecula between I-215 and Rainbow Canyon Road. 411 Comment
  UCR199565  Mimulus aurantiacus Scott D. White 2004-4-26 10264 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UCR165610  Mimulus aurantiacus var. aurantiacus T. B. Salvato, John F. Green 2004-5-27 711 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
  UC943881  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1889 E Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 640 Comment
  UCR234758  Mimulus aurantiacus var. pubescens A. C. Sanders, John F. Green 2012-6-25 40313 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near Hostettler Rd. south of I-15, narrow canyon draining from vicinity of Palomino Creek Dr. at end of Calendula St. 387 Comment
  POM8479  Mimulus aurantiacus var. puniceus I. M. Johnston 1920-5-8 2288 Riverside Butte west of Lakeview. 610 Comment
  RSA192068  Mimulus aurantiacus var. puniceus E. W. Lathrop 1959-4-2 4431 Riverside 18 miles W of Murrieta, Cottonwood Canyon of the Tenaja Range. Comment
  RSA0030785  Mimulus aurantiacus var. puniceus N. C. Cooper 1944-6-4 1321 Riverside Elsinore Mountain. Lookout at top. 1067 Comment
  UCR86864  Mimulus bigelovii A. C. Sanders, K. C. Rose 1995-4-27 16745 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
  JEPS8160  Mimulus bigelovii var. bigelovii W. L. Jepson 1928-4-25 12596 Riverside Cottonwood Springs Eagle Mountains 731 Comment
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Oct 23 2011
  SEINET3208895  Mimulus brevipes G. Goodwin 2012-6-14 3450 Riverside San Jacinto Mountains, south of Banning along highway 243 just north of Vista Grande viewpoint 1550 Comment
  UCR1002  Mimulus brevipes J. E. Dimitman 1957-5-18 s.n. Riverside Peninsular Range; San Jacinto Mtns., Bautista Canyon Wash 793 Comment
  RSA0062495  Mimulus cardinalis J. M. Andre 2012-6-15 30512 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
  POM19085  Mimulus clevelandii P. A. Munz 1923-6-14 7062 Riverside Glen Ivy Trail to Santiago Peak 1220 Comment
  CLARK-A1045-335  Mimulus diffusus George K. Helmkamp 1978-5-2 Riverside Bautista Canyon a burned area beside Bautista Road; Hemet 15'Q Comment
  RSA430184  Mimulus diffusus N. C. Cooper 1949-6-6 2002 Riverside San Jacinto Mts. above Pine Cove 2073 Comment
  RSA509456  Mimulus diffusus T. P. Krantz 1982-4-22 s.n. Riverside San Jacinto Moutains, Garner Valley, Bonita Vista Road Comment
  RSA0048276  Mimulus fremontii Lee Haines 1935-6-30 s.n. Riverside Poppets Valley. Comment
  JOTR01207  Mimulus guttatus Cole, James E. 1941-5-27 792 Riverside Joshua Tree National Park. BARKER DAM 1310 Comment
  UCR43426  Mimulus johnstonii B. G. Pitzer 1986-5-24 234 Riverside San Bernardino Mtns, Whitewater Canyon, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to c. 1/4 mi north of hatchery boundary 732 Comment
  UCR89250  Mimulus pilosus Scott D. White 1995-9-22 3679 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  LA95899  Mimulus rattanii Frank W. Peirson; 1931-5-30 9379 Riverside Santiago Peak, Glen Ivy Trail 1219 Comment
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Sep 20 2019
  UCR119839  Mirabilis albida J. Zabriskie 1978-5-15 1129 Riverside Santa Rosa Mtns, Cactus Spring Trail, west of Horsethief Creek 1128 Comment
  SD186259  Mirabilis laevis A. C. Sanders, T. B. Salvato 2004-2-16 27390 Riverside Foothills at edge of Temescal Valley, south of Brown Canyon. 451 Comment
  UC212968  Mirabilis laevis var. villosa S. B. Parish 1918-4-3 11704 Riverside Lakeside Mountains 457 Comment
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Nov 20 2011
  UC177219  Modiola caroliniana F. M. Reed 1914-7-18 3679 Riverside near Massachusetts Curve (Riverside and vicinity) 312 Comment
  JEPS9991  Mohavea confertiflora W. I. Follett 1942-3-22 131 Riverside 7.8 mi e of Mecca (Colorado Desert); Colorado Desert Comment
  RSA124452  Mohavea confertiflora Percy C. Everett 1958-4-29 23020 Riverside U. S. Hwy. 60/70, Indio to Blythe, 1 mi. W. of Cactus City. Comment
  RSA516911  Mohavea confertiflora Steve D. Boyd, Orlando Mistretta 1986-3-13 1453 Riverside West side Palen Mts.: NE of Desert Center. 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
  UCR226673  Mohavea confertiflora Jim Andre 2011-2-9 15922 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
  RSA0104635  Mollugo cerviana Duncan S. Bell, Evan Meyer 2014-10-28 7665 Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  SD245396  Monardella lanceolata R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49544 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso. Comment
  LA205750  Monardella nana Carl Epling; 1935-6-30 sn Riverside Fuller's Mill Camp, Mt. San Jacinto Comment
  LA96070  Monardella nana Elizabeth McClintock; 1941-5-31 44 Riverside 5 mi from turn off tp Anza Tablet Comment
  SDSU7373  Monardella nana R. Harvin 1962-7-28 37 Riverside 2286 Comment
  UC1499936  Monardella nana E. McClintock, H. Lewis 1941-6-29 80 Riverside Santa Rosa Mt. road, 5 1/2 miles beyond canyon where stream crosses road Comment
  UC1929645  Monardella nana Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8636 Riverside SAN JACINTO MTS: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e. southwest terminus of Double View Dr. west to creek. Comment
  RSA750410  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 61 Riverside Road to Santa Rosa Mt. 2.5 miles above Pines to Palms Highway. Comment
  UCR221486  Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-6-29 075 Riverside Peninsular Range; Santa Rosa Mtns., road up Santa Rosa Mountain, 4.5 miles above Pines to Palms Highway, in canyon where stream crosses road 1875 Comment
  UC1499803  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-12 107 Riverside trail to Deer Springs (a short distance below first spring which crosses trail); San Jacinto Mts. Comment
  UC1499831  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 127 Riverside trail to Hidden Lake (along switchbacks); San Jacinto Mts. Comment
  CAS-BOT-BC349804  Monoptilon bellioides Marcus E. Jones 1906-4-27 s.n. Riverside Indio, Colo. Desert Comment
  CAS-BOT-BC349811  Monoptilon bellioides L. R. Abrams 1926-3-26 11105 Riverside Between Edom and Garnet east of San Gorgonio Pass Comment
  POM98820  Monoptilon bellioides P. A. Munz 1926-1-31 9952 Riverside Dos Palmos [Palmas] Spring. Comment
  RSA784777  Monoptilon bellioides Duncan S. Bell 2012-3-18 3181 Riverside The Mecca Hills; southeastern section of hills; in labyrinthian slot canyons to the east of Hidden Canyon, approximately 2.2 air miles southwest of Hidden Spring. 74 Comment
  UC1069983  Monoptilon bellioides H. S. Yates 1937-3-23 6422 Riverside 5 mi nw Edom; Thermal Quadrangle Comment
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Dec 16 2011
  RSA356703  Montia fontana R. F. Thorne, Earl Lathrop 1975-5-20 45502 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; Santa Ana Mountains 610 Comment
  POM48333  Muhlenbergia californica E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. alt. 1500 ft. 457 Comment
  RSA613274  Muhlenbergia microsperma L. C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mountains: Snow Canyon, foot of Mount San Jacinto. 579 Comment
  UCD86835  Muhlenbergia microsperma G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2731 Riverside Colorado Desert: Chuckwalla Mts; 10.6 mi SSW of Chuckwalla Valley Rd. on Graham Pass Rd. Comment
  UCR252601  Muhlenbergia microsperma T. B. Salvato, Matthew Malle 2013-4-4 7502 Riverside Perris-Aguanga Basin, Sedco Hills, Crab Hollow Circle between Lost Road and Lake View Drive 588 Comment
  POM162481  Muhlenbergia richardsonis Ralph Hoffmann 1929-9-8 s.n. Riverside San Jacinto Mountains 1829 Comment
  RSA561420  Muhlenbergia rigens Steve Boyd, Timothy S. Ross, Dave Bramlet 1992-9-9 7689 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  RSA68694  Muilla maritima F. W. Peirson 1922-5-20 3046 Riverside Hemet Valley. (San Jacinto Mountains) 1402 Comment
  UCR104631  Muilla maritima D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1787 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR176925  Muilla maritima Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 73 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, unnamed canyon running W to E between the southern portions of Hathaway and Potrero Canyons, c. 1.5 miles ENE of Banning Peak (VABM 3440) 854 Comment
  UCR20438  Myosurus minimus subsp. apus John C. Roos 1952-4-9 5515 Riverside Rolling flats at Edgemont, near Box Springs 488 Comment
  RSA0039601  Nama demissa Deidre Conocchioli, Duncan S. Bell 2014-3-4 145 Riverside Off the Pacific Crest Trail in the San Bernardino Mountains. In Whitewater Canyon 8.5 miles E of Hwy-62. Just S of Red Dome. 695 Comment
  RSA525441  Nassella lepida Steve Boyd, D. Bramlet 1990-4-29 4486 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA599110  Nassella lepida V. W. Steinmann, D. L. Banks 1996-4-20 844 Riverside Agua Tibia Mountains, ca. 10 km east of Temecula, UC Emerson Preserve, ca. 0.5 km from main road along the East Trail, just northeast of the summer cottage., ca. 33?28'N, 117?02'W 450 Comment
  SEINET244817  Nassella lepida A. C. Sanders 2002-4-22 24991 Riverside The badlands: marble outcrop on ridge about 1/2 mile east of Mt. Eden, above Laborde Canyon, SW of Beaumont. Burnt chaparral. 670 Comment
  POM10420  Navarretia atractyloides R. Johnson 1905-06 s.n. Riverside West Riverside Comment
  UCR139620  Navarretia atractyloides A. C. Sanders 2004-7-1 28388 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., c. 5 miles due south of Sun City 488 Comment
  RSA593895  Navarretia fossalis R. E. Riefner 1995-11-29 94 -396 Riverside E side of Davis Rd. San Jacinto Wildlife Sanctuary, 100' N of Old San Jacinto River. Comment
  UCR189557  Navarretia fossalis Diane Menuz 2007-5-10 285 Riverside Peninsular Range, Perris Basin, San Jacinto River c. 0.8 mi north of Nuevo Road and 1.5 mi south of Ramona Expressway 431 Comment
  UCR266257  Navarretia fossalis D. E. Bramlet 2006-5-25 4003 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto River bed, 20 m south of the Nuevo Road bridge 430 Comment
  UC1333285  Navarretia hamata subsp. hamata Charles B. Fiker 1946-6-17 3583 1/2 Riverside San Mateo Canyon Comment
  RSA234039  Navarretia prostrata R. F. Thorne, Lathorp 1969-5-12 37929 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, Rancho California 624 Comment
  RSA336176  Navarretia prostrata R. F. Thorne, Walter Wisura 1978-5-21 51965 Riverside Santa Rosa Plateau: Mesa de Colorado. 609 Comment
  HSC78533  Nemacladus longiflorus J. C. Roos 1947-3-15 3343 Riverside 1 mi. E of Valle Vista. 549 Comment
  CLARK-A1528-5380  Nemacladus longiflorus var. breviflorus John C. Roos 1937-4-18 1795 Riverside Snow Creek Comment
  RSA339652  Nemacladus longiflorus var. breviflorus R. F. Thorne, C. W. Tilforth 1980-5-28 54232 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA0112640  Nemacladus ramosissimus A. C. Sanders, D. Malueg 2003-5-8 26570 Riverside Perris-Aguanga Basin region: Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek. 396 Comment
  UCR116405  Nemacladus ramosissimus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24190 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
  SEINET10461042  Nemacladus ramosissimus Hall Hall 1961 a Riverside Comment
  RSA733947  Nemacladus rubescens Keith E. Hoffmaster 1935-3-31 593 Riverside Palm Springs Comment
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Aug 27 2011
  SEINET2081620  Nemacladus rubescens R. Haberle 1997-5-21 86 Riverside Joshua Tree National Monument. Cottonwood Spring Wash just above oasis, ca. .10 mi. Comment
  NY547192  Nemacladus rubescens var. tenuis H. M. Hall 1905-4-17 5819 Riverside Eastern base of Indio Mt., Colorado Desert 150 Comment
  UCR208850  Nemacladus rubescens var. tenuis Scott D. White 2001-4-3 8251 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  SD46094  Nemacladus tenuis var. aliformis Herbert L. Mason 1952-4-7 14211 Riverside Palm Springs, Palm Canyon Comment
  RSA659376  Nemophila menziesii Lydia Paneri 1982-4-17 48 Riverside Hillside north of Cajalco Road, 2 miles east of I-15. Comment
  RSA0028793  Nemophila menziesii var. integrifolia N. C. Cooper 1944-5-20 1310 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  SEINET7063415  Nemophila menziesii var. menziesii A. G. Vestal 1947-3-29 s.n. Riverside About 6.2 miles east of Lake Elsinore on Newport Road. UTM Zone 11, 481169mE, 3727240mN. (WGS84/NAD83). 434 Comment
  UCR215511  Nemophila menziesii var. menziesii Daphne K. Christopher, Hannah I. Stevens 2003-4-4 097 Riverside UC Riverside Motte Rimrock Reserve, off Sage Road 536 Comment
  HSC20472  Neogaerrhinum filipes C. L. Hitchcock, C. V. Muhlick 1964-3-22 23267 Riverside Pinto Basin; Joshua Tree National Monument Comment
  UC68732  Nicotiana clevelandii H. M. Hall 1905-4-29 5967 Riverside McCoy Wash; Colorado Desert 91 Comment
  SEINET3224404  Nicotiana glauca G. Goodwin 2012-6-15 3458 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 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
  RSA596161  Nicotiana glauca D. L. Banks 1996-11-7 1214 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church., On the main road in the Reservation, 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  UC884674  Nicotiana obtusifolia C. L. Hitchcock 1940-3-31 5889 Riverside between Cottonwood Spring Pinto Basin Comment
  SD136742  Nicotiana quadrivalvis Steve Boyd, Tim Ross 1992-5-15 7394 Riverside San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junctionof Tenaja and Morgan Trails, west of Round Potrero 671 Comment
  JOTR31981  Nolina bigelovii La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2217 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; bouldery canyon with sandy wash bottom 731 Comment
  LA22817  Nolina parryi C. B. Wolf; 1931-5-11 1949 Riverside San Jacinto Mountains, above Hemet Valley, near Pipe Creek Comment
  UC56462  Oenothera californica subsp. californica H. M. Hall 1902-4-23 2956 Riverside S. Ana River vicinity of Riverside 243 Comment
  RSA726579  Oenothera deltoides Naomi S. Fraga, Sarah J. De Groot, Lisa Rojas, Lel Lubinsky 2005-2-10 1428 Riverside Along Palen Road near Hwy 177. 170 Comment
  RSA734943  Oenothera scapoidea J. R. Bruff 1927-3-12 s.n. Riverside Whitewater. Comment
  RSA785415  Oenothera scapoidea Keith E. Hoffmaster 1933-4-15 467 Riverside Desert end Palms to Pines road. Comment
  CAS-BOT-BC427466  Oligomeris linifolia J. Cole 1942-5-19 962 Riverside Ruby Lee Mine, Joshua Tree National Monument 914 Comment
  RSA516908  Oligomeris linifolia Steve Boyd, Orlando Mistretta 1986-3-13 1444 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA776298  Oligomeris linifolia Duncan S. Bell, Amanda Turek 2010-4-10 826 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  SBBG25820  Oligomeris linifolia E. R. Blakley 1966-4-9 6748 Riverside jct of US Hwy 60-70 and Wiley Well Rd, ca. 15 mi W of Blythe 121 Comment
  RSA799932  Olneya tesota Justin M. Wood, D. M. Ray 2011-4-28 3842 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
  UC61577  Olneya tesota Miss Mary McKibben 1904-1 Riverside e of Mecca; Colorado Desert 457 Comment
  OBI59203  Oncosiphon piluliferum Robert Noll 1998-3-23 s.n. Riverside Moreno Valley, E of Lake Perris along JFK Blvd. Also seen in Orange county, Haul Cyn Rd, Irvine Ranch Comment
  UCD134650  Oncosiphon piluliferum John Green 2005-5-4 s.n. Riverside Perris-Aguanga Region: SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base. 533 Comment
  UCSB17810  Opuntia basilaris Gerhart, Janet 1963-4-6 Riverside 5.2 miles south of U.S. Highway 60-70 on mine road; 11.5 miles east of turnoff to Joshua Tree National Monument 396 Comment
  RSA592684  Opuntia chlorotica Scott D. White, Duayne Haselfeld 1996-7-2 4268 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  POM311556  Opuntia engelmannii Lyman Benson 1963-7-13 16387 Riverside 1/2 mile north of Aguanga. 610 Comment
  POM285351B  Opuntia phaeacantha Lyman Benson 1955-12-6 15622 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  POM59001  Opuntia vaseyi L. R. Abrams 1908-07 s.n. Riverside Elsinore. Comment
  RSA524212  Opuntia vaseyi B. D. Parfitt, A. C. Sanders, R. Anthony 1986-4-18 3486 Riverside University of California Riverside: Botanical Garden Entrance. Native on grassy slopes across walk in front of herbarium. 335 Comment
  RSA357376  Orcuttia californica F. W. Peirson 1922-5-19 3028 Riverside Menifee Valley Comment
  UCSB56475  Orcuttia californica Robert F. Thorne, C. W. Tilforth, L. DeBuhr and E. Lathrop 1975-8-29 47300 Riverside collected in Rancho California at E-side of La Mesa del Burro Mesa del Burro 609 Comment
  UC27847  Orobanche californica subsp. feudgei H. M. Hall May 1899 1159 Riverside San Jacinto Mountains, Van Deventer's. Comment
  UCR1619  Orobanche californica subsp. feudgei R. G. Barber 1962-5-20 140 Riverside San Jacinto Mtns, Bautista Canyon Road, [vicinity of Tripp Flats] c. 2 mi. east of the summit, 7 mi. from Anza 1220 Comment
  CLARK-A1045-166  Orthocarpus densiflorus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  RSA612927  Orthocarpus densiflorus var. gracilis D. L. Banks 1997-3-29 1649 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
  RSA0010923  Orthocarpus densiflorus var. gracilis Marion P. Harthill 1976-5-5 s.n. Riverside Cleveland National Forest. 2000' ele. 610 Comment
  RSA409108  Orthocarpus purpurascens Ora M. Clark 1929-4-6 1957 Riverside S of Hemet. Comment
  HSC85294  Osmadenia tenella Steve Boyd 1986-5-7 1837 Riverside Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, S of I-15 Comment
  UC1424840  Osmadenia tenella E. W. Lathrop 1968-6-2 6952 Riverside trail between El Carriso and San Mateo Canyon; Cleveland National Forest 1219 Comment
  UC1608240  Osmadenia tenella Steve Boyd, Tim Ross 1992-5-4 7182 Riverside e of Verdugo Potrero; Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar Comment
  RSA458996  Osmorhiza brachypoda E. Crow 1929-4-7 317 Riverside East end of Corona Skyline Drive, Santa Ana Mountains. Comment
  RSA562105  Osmorhiza brachypoda Steve Boyd 1992-4-14 6801 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  SD144084  Osmorhiza brachypoda Scott D. White 1994-4-23 2029 Riverside Millard Canyon, ca 8 air mi N of Cabazon: USFS Rd 2S05.2 ca. 0.3 mi S of jtn 2S05.2 and 2S05B 1299 Comment
  UC2030086  Oxytheca caryophylloides Scott D. White 2000-8-5 8119 Riverside SAN JACINTO MTS: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). Comment
  UCR24260  Oxytheca trilobata John C. Roos 1937-8-17 2544 Riverside San Jacinto Mtns., Near Idyllwild Comment
  RSA180243  Paeonia californica E. W. Lathrop 1965-4-4 5636 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  CAS-BOT-BC327897  Palafoxia arida Alice Eastwood 1913-4-30 3088 Riverside Palm Springs Comment
  CAS-BOT-BC327940  Palafoxia arida J. Von Loh 1977-10-30 3307 A Riverside Ford Dry Lake Comment
  UCD134866  Palafoxia arida Dan Axelrod 1932-3-20 s.n. Riverside 8 mi. east of Oasis on Jones Ranch. Comment
  UCD134870  Palafoxia arida James B. Garner 1959-3-19 428 Riverside 20 miles south of Vidal Junction, toward Blyth. Comment
  UCR148299  Palafoxia arida 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
  RSA0130721  Palafoxia arida Glen Rink 2013-3-19 11890 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  RSA780228  Palafoxia arida var. arida Stephanie Rockwood, Christi Gabriel 2011-10-12 105 Riverside East side of the West Riverside Mountains. Highway 62 to NS857 (Radio Tower Road) to NS 853 to 7 Wash Road. Vidal Valley. 348 Comment
  UCR153389  Palafoxia arida var. arida Scott D. White 2000-3-23 7634 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms area. North terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion 183 Comment
  UCSB9920  Palafoxia arida var. arida Ullman, Sydney 1956-4-14 Riverside In town of Whitewater 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
  UCD90126  Panicum urvilleanum R. Tofsrud 1949-4-1 s.n. Riverside Hwy. 99 between Indio and Thousand Palms. Comment
  RSA262110  Papaver californicum E. W. Lathrop 1969-5-8 7017 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UCR177118  Papaver californicum Bill Wagner 1994-5-11 s.n. Riverside Black Mountain, c. 4 miles NNE of Lake Skinner 915 Comment
  POM123212  Parietaria hespera var. hespera Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA448024  Parietaria hespera var. hespera J. A. Comstock 1934-4-15 s.n. Riverside Moist shady place. Comment
Read comments
Apr 15 2015
  CSUSB1654  Parkinsonia aculeata L. Codona 1972-7-25 Riverside Palm Springs 60 Comment
  LA45742  Parkinsonia florida A. M. Johnson; 1933-4-28 4227 Riverside Indian Wells highway along new mountain highway to Hemet, 2 to 3 mi. up from Palm Springs Comment
  RSA0035904  Parkinsonia florida J. M. Andre 2013-3-27 24821 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  RSA264425  Paspalum notatum var. saurae C. W. Tilforth 1976-9-19 1224 Riverside 317 Swan Lake Mobile Home Park, Mira Loma; 10 miles N of Corona Comment
  UCR96202  Passiflora caerulea A. C. Sanders 1996-3-14 17973 Riverside Riverside, east side of UCR campus in the canyon below the Botanic Garden 335 Comment
  RSA781910  Pectis papposa Duncan S. Bell 2010-5-1 898 Riverside Arica Mountains: northwest section of the project area, approximately 2 air miles south of the junction of Highway 62 and the aqueduct access road. 283 Comment
  UCR167327  Pectis papposa Scott D. White, J. Wood 2005-9-27 11230 Riverside San Gorgonio Pass, Cabazon: Alluvial benches and braided dry channels south of Interstate 10 and west of the San Gorgonio River 610 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
  CDA40696  Pectocarya heterocarpa T. C. Fuller 1962-4-4 8000 Riverside Highway 99 [later renumbered Highway 86], 0.4 mile south of Oasis. 0 Comment
  RSA682121  Pectocarya heterocarpa Valerie Soza 2003-3-15 s.n Riverside Orocopia Mountains. Comment
  RSA645674  Pectocarya linearis Scott D. White 1999-5-2 7293 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
  UCR256745  Pectocarya linearis T. B. Salvato, Matthew Malle 2013-4-11 7534 Riverside Gavilan Hills, southeastern slopes, hill above Black Powder Canyon and c. 0.5 mi north of the Temescal Canyon 419 Comment
  HSC3748  Pectocarya linearis subsp. ferocula C. L. Hitchcock 1966-3-15 24150 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  RSA387372  Pectocarya penicillata Steve Boyd 1986-4-19 1693 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  RSA594526  Pectocarya penicillata D. L. Banks, Dylan Hannon 1996-5-3 1006 Riverside Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, 30 m N of campsite #9 487 Comment
  UCR88558  Pectocarya penicillata A. C. Sanders 1995-4-13 16506 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-A1045-119  Pectocarya platycarpa George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  JOTR30118  Pectocarya platycarpa La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1684 Riverside Joshua Tree National Park. Stop # 2 = Pinto Basin near Sandhill 538 Comment
  RSA0112091  Pectocarya platycarpa Duncan S. Bell 2010-2-21 545 Riverside Arica Mountains; Palen/McCoy Wilderness area; collecting in the central part of range. 418 Comment
  RSA517819  Pectocarya platycarpa Steve Boyd, Orlando Mistretta 1986-3-13 1436 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  SEINET3084049 Image available Pectocarya recurvata Andrew C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19678 Riverside Colorado Desert/San Jacinto Mtns: ; Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon 183 Comment
  UCR233173A  Pectocarya recurvata Jim Andre, Glenn L. Clifton 2011-2-22 17436 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  RSA585625  Pedicularis densiflora D. L. Banks, Steve D. Boyd 1995-3-15 60 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 680 Comment
  UCR245611  Pelargonium capitatum O. F. Clarke 2011-4-10 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 365 Comment
  SBBG35234  Pellaea andromedifolia T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  POM8767  Pellaea andromedifolia var. andromedifolia P. A. Munz, Harwood 1920-2-28 3233 Riverside 2 mi. southeast of Corona 274 Comment
  SD80136  Pellaea mucronata Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 382 Riverside North slope of Santa Rosa Mountains; Deep Canyon, west of water service road, ca. 2 miles south of Highway 74 1310 Comment
  UCR262235  Pellaea mucronata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3721 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  POM11863  Pellaea mucronata var. mucronata P. A. Munz, I. M. Johnston 1922-5-19 5408 Riverside San Jacinto Canyon: canyon bed, near mouth of Strawberry Creek. 1067 Comment
  RSA0119963  Pennisetum setaceum Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9076 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  RSA401846  Penstemon X parishii E. C. Jaeger 1929-6-8 s.n. Riverside McMullen Trail [Banning to McMullen Flat] 1280 Comment
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Nov 5 2011
  RSA502508  Penstemon centranthifolius Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3558 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA662561  Penstemon centranthifolius Tamara Joy Hanna 1991-5-4 6 Riverside Township of Anza, area of High Country Ranches. From Terwilliger Road (paved) east of Coyote Canyon Road (dirt) approx. 2 miles. 1220 Comment
  RSA44866  Penstemon eatonii J. C. Roos 1948-5-15 3839 Riverside Lost Palms Canyon, Eagle Mountains., Colorado Desert. Comment
  UCR24496  Penstemon eatonii John C. Roos 1943-5-23 2676 Riverside S Mojave Desert, Little San Bernardino Mtns 1524 Comment
  UC27490  Penstemon grinnellii H. M. Hall July 1901 2548 Riverside Fuller's Mills Mountains San Jacinto Mountains, Fuller's Mills Mountains (Southern California) 2133 Comment
  UCR23246  Penstemon pseudospectabilis John C. Roos 1958-2-22 s.n. Riverside Chuckwalla Mtns., Canyon 2.5 mi S.E. of Desert Center Comment
  UCR20539  Penstemon rostriflorus W. W. Mayhew 1977-7-5 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  RSA516747  Penstemon spectabilis Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA733711  Penstemon spectabilis Jeanne Payton 1934-4-16 s.n. Riverside Hagador Canyon. Comment
  UCR117713  Penstemon spectabilis Mitch Provance 1998-6-11 682 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  RSA562425  Pentachaeta aurea D. E. Bramlet 1993-4-26 2335 Riverside Peninsular Range Temecula, c. 4 km south of intersection of Pauba Rd & Butterfield Stage Rd, 46-300 m west of Butterfield Stage Rd. 372 Comment
  UCR270182  Pentagramma triangularis A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42394 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  CAS-BOT-BC77523  Peritoma arborea var. arborea Elizabeth H. Daniels 1932-3-8 s.n. Riverside Mission Canyon, just south of Morongo Valley, Little San Bernardino Mountains Comment
  RSA124410  Perityle emoryi P. C. Everett, E. K. Balls 1958-4-29 23014 Riverside Hwy 60/70, Indio to Blythe, 1 mile W of Cactus City 549 Comment
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Mar 20 2011
  RSA510033  Perityle emoryi B. Pitzer, S. Myers, J. Wilkinson 1988-2-21 602 Riverside S end of Coxcomb Mtns, 0.2 mi. N of Hwy 177 (Old Desert Center - Rice Road), 10.6 mi. NE of Desert Center. 229 Comment
  CHSC26137  Petalonyx thurberi James Henrickson 1969-10-25 4264 Riverside 3 mi. S of Palm Desert on flat sandy area at base of Palms to Pines Grade. 182 Comment
  POM210099  Petalonyx thurberi Victor Duran 1933-7-3 3500 Riverside Coachella Valley at Deep Canyon 244 Comment
  RSA0099446  Petalonyx thurberi Duncan S. Bell, Evan Meyer 2014-10-29 7688 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  SD181450  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 junction of I-10/SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station; Cottonwood Basin [quad]. 395 Comment
  CAS-BOT-BC326726  Peucephyllum schottii D. B. Dunn; H. Brown 1947-2-9 2849 Riverside By quadrat III along canyon side, Pushawalla Canyon, Indio Hills Comment
  JOTR36012  Peucephyllum schottii Harding, Mitzi, T. Herskovits 2012-3-16 219 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  UC1523403  Peucephyllum schottii Robert F. Thorne, W. A. Tilforth, L. Schultz, R. K. Benjamin and J. Hogge 1980-4-16 54079 Riverside 3.2 mi n Hwy. 10 and Whitewater P.O. (branch ravine running w from Whitewater Canyon, w of road); San Bernardino Mts. 609 Comment
  UCR22488  Peucephyllum schottii C. S. Jones 1979-2-24 07 Riverside Sonoran (Colorado) Desert, 1 mile southeast of Eagle Mountain, on old Eagle Mtn. Road 351 Comment
  RSA928  Peucephyllum schottii J. T. Howell 1927-8-1 531 Riverside Mission Creek, Colorado Desert. 610 Comment
  UCR148467  Phacelia ambigua 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
  POM48900  Phacelia brachyloba P. A. Munz 1924-7-29 8848 a Riverside 7 mi SE of Poppet Flat, San Jacinto Mts. 1524 Comment
  RSA428152  Phacelia campanularia Martha Hilend 1928-3-9 62 Riverside Near White Water Bridge. Colorado Desert. Comment
  UC68749  Phacelia campanularia subsp. campanularia H. M. Hall Apr. 1905 5755 Riverside Whitewater Colorado Desert 243 Comment
  UCR214908  Phacelia campanularia subsp. campanularia Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12586 Riverside San Bernardino Mountains, ridgeline east of Whitewater Canyon, c. 2 miles north of town of White Water (Hwy I-10), near Super Creek Quarry 747 Comment
  UCR239210  Phacelia cicutaria var. hispida Steven R. Hill 2001-5-3 33637 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  UCR85081  Phacelia crenulata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16037 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  UC1287157  Phacelia crenulata var. ambigua C. L. Hitchcock 1966-3-16 24210 Riverside along Palms to Pines Hwy 4 mi s Palm Desert 609 Comment
  UCR279527  Phacelia crenulata var. ambigua A. C. Sanders, Jim Malusa 2017-3-29 43189 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  UCR245953  Phacelia crenulata var. minutiflora Duncan S. Bell 2009-3-7 18 Riverside Arica Mountains, ridgeline of range just north of the summit along the border of the Palen/McCoy Wilderness Area 614 Comment
  JEPS1534  Phacelia curvipes W. L. Jepson 1901-5-24 1421 Riverside Vandeventer Flat Santa Rosa Mts., Van de Venter's Ranch Comment
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Jun 19 2011
  UCD120406  Phacelia distans C. L. Hitchcock 1966-3-16 24203 Riverside Along Palms to Pines Highway, 7 mi. s. of Palm Desert. Comment
  UCR135995  Phacelia distans Virginia Moran 2003-3-12 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  UCR272903  Phacelia distans Duncan S. Bell, Amanda Bell, Evan Bell (in utero) 2012-1-28 3075 Riverside Mojave Desert, east side of the Arica Mountains, along the old RR tracks on the west side of Rice Valley, c. 6.25 air miles south of the ghost town of Rice 224 Comment
  UCR279474  Phacelia distans A. C. Sanders, Jim Malusa 2017-3-29 43191 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  UC666538  Phacelia fremontii Reid Moran 1941-5-4 842 Riverside e Quail Spring; Joshua Tree Nat. Mon. 1300 Comment
  JEPS1177  Phacelia minor W. L. Jepson 1935-4-21 17158 Riverside sw Riverside Co. Aguanga 603 Comment
  POM346647  Phacelia minor Barry Burnell 1970-3-24 165 Riverside 2 miles up Tramway Road off Hwy 111 Chino Canyon, San Jacinto Mts. 457 Comment
  RSA525286  Phacelia minor Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4599 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  SJSU11224  Phacelia minor G. B. Youngberg 1956-3-27 178 Riverside near La Serra College, Arlington 300 Comment
  UCR167818  Phacelia minor A. C. Sanders 2005-4-21 29578 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR89876  Phacelia minor Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3331 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  GMDRC9378  Phacelia neglecta J. M. Andre 2017-3-4 37181 Riverside Big Maria Mountains: along west side of US Hwy 95 30.5 mi. south of Vida Jct, at road to Blythe itaglios (ancient geoglyphs) 95 Comment
  UCR75097  Phacelia neglecta A. C. Sanders, E. J. Lawlor 1992-4-4 12090 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA0042826  Phacelia pedicellata Duncan S. Bell, Deidre Conocchioli 2014-3-18 6252 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  UCR18163  Phacelia pediculoides A. C. Sanders 1978-3-11 00400 Riverside Sonoran (Colorado) Desert, Coachella Valley, Indian Wells, intersection of Bay Club Drive and Hwy 111 30 Comment
  LA205627  Phacelia ramosissima Elizabeth McClintock; 1941-5-19 9 Riverside rd to Santa Rosa Peak Comment
  UCD89012  Phalaris lemmonii J. C. Roos 1966-3-24 s.n. Riverside Winchester (near Hemet). Comment
  SEINET10389802  Phalaris minor A. C. Sanders, Jim Malusa 2015-3-10 41380 Riverside north end of Chocolate Mountains, eastern canyon at Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 611 Comment
  UCR180260  Phalaris paradoxa Scott D. White, Pam Devries 2006-3-14 11246 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  RSA678116  Pholisma arenarium Valerie L. Soza, Steve D. Boyd, Neil Gilbert 2000-12-6 1062 -b Riverside Bautista Canyon, alongside Bautista Canyon Road, across from Bautista Conservation Camp. 854 Comment
  RSA459299  Pholistoma membranaceum Bonnie C. Templeton 1930-3-22 1649 Riverside Palm Springs. 400 Comment
  UCR41366  Pholistoma membranaceum N. M. Fellows 1985-3-3 87 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  SD236439  Phoradendron bolleanum John F. Green 2008-1-18 Riverside Peninsular Range; Gavilan Hills: 5.5 miles WNW of Perris, c. 0.5 mi. north of Santa Rosa Mine Rd. and 0.75 mi SE of Ida Leona Mine 671 Comment
  RSA420767  Phoradendron californicum M. B. Dunkle 1934-3-18 3857 Riverside Shavers Valley. Mecca Hills. W. of Shaver's Well. 91 Comment
  RSA420771  Phoradendron californicum Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  UCR16369  Phoradendron californicum R. G. Sullivan 1972-4-20 720420- 3 Riverside San Bernardino Mtns., Whitewater Canyon, 4 mi. north of Interstate 10 640 Comment
  UCR48551  Phoradendron californicum J. Glazner 1985-4-5 s.n. Riverside Sonoran (Colorado) Desert, Near Red Rooster resort on Hwy 95 at the Colorado River c. 20 mi. north of Blythe, near mouth of Slaughter Tree Wash 91 Comment
  JOTR31182  Phoradendron densum La Doux, Tasha, G. Clifton 2009-5-14 1979 Riverside Joshua Tree National Park. (Stop 1)Little San Bernardino Mountains, Upper Covington Flats, west of trail head 1474 Comment
  UCR1488  Phoradendron densum Howard York 1962-4-5 s.n. Riverside San Jacinto/Santa Rosa Mtns., Pinyon Flats Campground, Hwy 74 1220 Comment
  RSA698148  Phoradendron macrophyllum J. Vlahos 1934-01 s.n. Riverside Ortega Highway Comment
  CAS-BOT-BC141175  Phoradendron serotinum subsp. macrophyllum W. R. Dudley 1903-12-26 s.n. Riverside Palm Canon Comment
  CAS-BOT-BC171148  Phoradendron serotinum subsp. tomentosum A. C. Sanders; S. D. Boyd; Mitch Provance; J. Ross 1998-10-25 22285 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi NW of Hwy 371 junction to Anza 1441 Comment
  CLARK-A1528-613  Phoradendron tomentosum subsp. macrophyllum C. M. Flanagan 1973-5-31 OO 634 Riverside Morongo Indian Reservation 914 Comment
  UC66695  Phoradendron villosum N. K. Berg 1904-3-4 Riverside San Jacinto <R. C.> Comment
  SEINET270228  Physalis angulata G. Helmkamp 1996-1-18 8 -1 Riverside About 2 miles northeast of Blythe 91 Comment
  RSA480023  Physalis crassifolia Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2152 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA555225  Physalis crassifolia Robert F. Thorne 1966-10-15 41820 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  UC68755  Physalis crassifolia H. M. Hall Apr 1905 5780 Riverside 8 mi w Coachella; Colorado Desert 30 Comment
  UCR113987  Physalis philadelphica Mitch Provance, A. C. Sanders 2000-7-4 2111 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCD98404  Phytolacca americana var. americana Don Domenigoni 1986-4-21 s.n. Riverside At the Young property, Hemet. Comment
  UCR167801  Picris echioides T. B. Salvato, Melissa Clemons 2005-6-23 1303 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  HSC86142  Pinus coulteri B. Freeman 1969-3-24 690324 Riverside James Reserve, ca. 20 m W of Indian Creek. 1646 Comment
  UC64431  Pinus coulteri W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1313 Riverside Johnston Ranch San Jacinto Mt. 1354 Comment
  MACF019467  Pinus lambertiana Trudy R. Ericson 1974-11-9 269 Riverside Approx. 1 mile north of Black Mountain Road and intersection with St. 243 from Banning to Idyllwild, Sane Bernardino National Forest 17372 Comment
  RSA548756  Pinus monophylla W. L. Halvorson 1977-4-4 77 -236 Riverside Transition from desert at Joshua Tree Nat'l Monument. 1220 Comment
  UCR19208  Pinus monophylla John C. Roos 1947-4-5 3435 Riverside Santa Rosa Mtns., Pinyon Flats 1311 Comment
  RSA761872  Pinus ponderosa Patrick Garrett, C. Martinez, N. Fraga, L. McDade 2010-8-14 72 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CAS-BOT-BC79090  Pinus quadrifolia Lester Rowntree 1937-11-6 s.n. Riverside Santa Rosa Mt., W. side Comment
  CLARK-A1528-3563  Pinus quadrifolia John C. Roos 1936-9-15 2513 Riverside San Jacinto Mountains 1493 Comment
  NY42732  Pinus quadrifolia J. B. Walker 1995-3-28 1289 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
  SEINET3874495 Image available Pinus quadrifolia R. M. Lanner 1970-12-17 2084 Riverside San Jacinto Mountains San Bernardino National Forest. Along Highway 74.; 0 Comment
  UCR42745  Pinus quadrifolia A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-21 6471 Riverside San Jacinto Mtns., N side of Garner Valley, 1.9 mi north of Hwy 74 on Morris Ranch Road. 1372 Comment
  UCR157968  Piperia cooperi Michael A. Patten 1992-4-23 s.n. Riverside Peninsular Range, c. 5 km SE of Temecula, just north of Pechanga Indian Reservation in Redhawk housing tract, SE end of Wolf Valley 396 Comment
  UCR127554  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2003-5-21 26798 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
  UCR154834  Plagiobothrys canescens A. C. Sanders, Kelly Volansky 2005-3-17 29236 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  POM368913  Plagiobothrys collinus var. californicus Albert J. Perkins 1895-04 s.n. Riverside Near Riverside, Calif. Comment
  RSA614194  Plagiobothrys collinus var. californicus A. C. Sanders 1997-3-1 19757 Riverside E side of Pigeon Pass Valley ca. 1/2 mile NW of Lawless Ranch, E of intersection of Hidden Springs Road and Pigeon Pass Road. 579 Comment
  UCR246592  Plagiobothrys collinus var. fulvescens A. C. Sanders 2012-3-22 39988 Riverside Peninsular Range; Temescal Valley, foot of Santa Ana Mtns., 0.7 km SE of Corona (Lee) Lake along I-15 Frontage Rd. (De Palma Rd.) just east of Horse Thief Wash Comment
  UCR250570  Plagiobothrys collinus var. fulvescens A. C. Sanders 2014-4-18 41037 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. near Horsethief Canyon Road, east of Horsethief Canyon Wash and site of old DePalma's Italian Village Restaurant 381 Comment
  JOTR34017  Plagiobothrys jonesii La Doux, Tasha, M. Harding 2010-4-7 2904 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  RSA0106760  Plagiobothrys jonesii Duncan S. Bell, Amanda Turek 2009-3-29 141 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; large narrow canyon to the west of Priest Mine. 420 Comment
  UCR279585  Plagiobothrys jonesii A. C. Sanders, Jim Malusa 2017-3-28 43145 A Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  UCR241410  Plagiobothrys leptocladus T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7442 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  CLARK-A1045-64  Plagiobothrys nothofulvus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains head of De Luz Creek; Wildomar 7.5'Q Comment
  SEINET272335  Plagiobothrys nothofulvus A. C. Sanders, G. Waines; B. Ehdai. 1997-3-12 19911 Riverside Lake Skinner area: upper Rawson Canyon 2.5 mi. NE of Skinner Lake 1 mi. SW of Crown Valley 595 Comment
  RSA614092  Plagiobothrys tenellus D. L. Banks 1997-4-5 1695 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
  RSA614470  Plantago erecta D. L. Banks 1997-4-5 1705 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  UCR241008  Plantago erecta Tracy Tennant 1998-4-7 238 Riverside Peninsular Range/Perris-Aguanga Basin Region, Mariette Rd. at Grouse Court, 2.25 mi. NE of Vail Lake Dam 582 Comment
  CSUSB1312  Plantago insularis Robert A. Clark 1966-3-5 3566 3 Riverside Mecca rural; 2 miles east of Mecca on State Highway 195 on marginal agricultural land adjacent to Creosote bush scrub. -57 Comment
  RSA770450  Plantago ovata Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4562 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET4559909  Plantago ovata J. Andre 2012-1 21354 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  RSA402037B  Plantago ovata var. fastigiata M. B. Dunkle 1935-3-17 4408 Riverside Desert Center. 610 Comment
  RSA402041B  Plantago ovata var. fastigiata F. R. Fosberg 1932-3-13 8074 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  UCR280925  Platanus racemosa Mitch Provance 2017-5-25 517- 64 Riverside Temescal Valley, 0.3 to 0.5 miles SE of Indian Truck Trail, between Temescal Canyon Rd. and Hwy. 15 361 Comment
  UCR213539  Platystemon californicus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37834 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  JOTR16786  Pleuraphis rigida Baker, James K. & Baker, Ilisa T. 1966-10-20 s.n. Riverside Joshua Tree National Park. RYAN MOUNTAIN WATER STATION 1310 Comment
  RSA472089  Pleurocoronis pluriseta Christopher Davidson 1980-4-4 9948 Riverside West end of the Orocopia Mountains in a small canyon and wash almost due south of Oro Peak. Comment
  CHSC26129  Pluchea sericea A. Beck 1967-5-21 79 Riverside Colorado Desert, Thousand Palms Oasis. 1950 Comment
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Jul 23 2007
  SEINET2053984 Image available Pluchea sericea Howard S. Gentry 1954-7-25 14248 Riverside Aguanga Comment
  SEINET5568640  Pluchea sericea H. S. Gentry 1954-1 14248 Riverside Aguanga. Comment
  UCR194223  Pluchea sericea Scott D. White, Angelia Carey 2004-6-4 10482 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  SEINET10801074  Pluchea sericea Billy Joe Cox 1975-4-23 Cox 4141 Riverside Palo Verde, 1-3 km. W, (ca. 32 mi. S of Blythe). Riverside-Imperial counties. 70 Comment
  UCR104905  Poa howellii A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20646 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
  RSA747875  Poa pratensis Justin M. Wood 2009-5-11 693 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  UCD90448  Poa secunda R. Tofsrud 1949-4-27 s.n. Riverside Hwy 395 between Camp Haan and March Fiels. Comment
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Apr 20 2013
  UCR113047  Poa secunda Mitch Provance, Seychelle Provance 1998-3-3 136 Riverside Riverside, top of North Hill, along the S edge of Lake Evans 960 Comment
  UCR241011  Poa secunda Tracy Tennant 1998-3-11 205 Riverside North Hills, Domenigoni Valley area, SE of Winchester 694 Comment
  UCD91659  Poa secunda subsp. secunda Peter Kamb 1948-5-2 928 Riverside Upper Sonoran Zone. N slope of the San Jacinto Mountains, above Banning. 1066 Comment
  UCR155815  Polygonum aviculare 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
  UCR35080  Polygonum aviculare L. B. Ziegler 1967-8-29 210 Riverside San Jacinto Mtns., Pine Meadow area 1418 Comment
  RSA0065553  Polygonum lapathifolium var. lapathifolium T. C. Thomas 1974-8-19 s.n. Riverside Fairmont Park spillway. Santa Ana River. Comment
  RSA577524  Polypodium californicum Darin L. Banks, Steve Boyd 1995-2-16 50 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., S of the Dripping Springs Alcove, E of the Woodchuck Trail. 829 Comment
  UCR7830  Polypodium californicum Dennis Vander Ven 1968-5-19 s.n. Riverside Peninsular Range, c. 7 mi west of Murrieta on Guava St., 40 yards before road crosses creek for first time from the east(concrete crossing). south side of road on cliff wall 274 Comment
  UC1931197  Polypogon monspeliensis Scott D. White, Justin Wood 2008-7-9 12412 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  UCR231751  Polypogon monspeliensis John F. Green 2008-4-21 03- 01 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and Alabaster Loop, east of the San Jacinto River 457 Comment
  CAS-BOT-BC410013  Populus X parryi Carl B. Wolf 1932-5-25 3661 Riverside N base of San Jacinto Mtns. at mouth of E. Fork of Snow Creek Canyon 670 Comment
  UCR138832  Porophyllum gracile D. L. Banks 1997-4-5 1670 B Riverside Agua Tibia Mtns., NW Palomar Mtns: Pechanga Indian Reservation. south of Dorland Mountain, just west of the Wilderness Area Boundary, along a tributary of the N fork of Pechanga Creek 640 Comment
  UCR60520  Porophyllum gracile Steve Boyd 1985-7-23 1044 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 3.5 mi west of the junction with Tenaja Trail Comment
  RSA0103579  Portulaca oleracea Duncan S. Bell 2015-9-30 8655 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 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
  SBBG72480  Potentilla rimicola R. Hoffmann 1929-9-6 Riverside near Tahquitz Pk Comment
  CAS-BOT-BC206989  Prosopis glandulosa var. torreyana Dr. Barton W. Evermann 1916-5-14 s.n. Riverside Mecca Comment
  LA47464  Prosopis glandulosa var. torreyana A. M. Johnson; 1933-4-28 4205 Riverside E of Cook's Ranch, 4 mi. N of Indian Wells, and 15 mi. below Palm Springs Comment
  CAS-BOT-BC216520  Prosopis pubescens Annetta Carter 1938-7-16 1430 Riverside 3 miles E of Blythe, Palo Verde Valley 76 Comment
  CLARK-A1656-891  Prosopis pubescens Jim Cornett 1977-7-11 Riverside Thousand Palms Canyon 182 Comment
  UC12739  Prunus emarginata H. M. Hall July, 1901 Riverside vicinity of Deer Springs ( Accordeon Creek, San Jacinto Mountains); San Jacinto Mountains, Accordeon Creek 2743 Comment
  RSA86861  Prunus fasciculata F. W. Peirson 1928-4-24 7915 Riverside Plateau land west of Cottonwood Springs, northeast of mecca. Comment
  CAS-BOT-BC158296  Prunus fasciculata var. fasciculata Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-9 386 Riverside 10' south of Hwy 74 between [Sugar Loaf] Sugarloaf Cafe and entry gate to service road. Deep Canyon watershed, north slope Santa Rosa Mountains 1219 Comment
  RSA786235  Prunus fremontii C. P. Cowan 1978-4-23 1222 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct with Hwy 111 at Indian Wells. Whittaker transect no.W-220 (voucher). 950 Comment
  SD73396  Prunus fremontii Nancy Ryan Zabriskie, Walter Zabriskie 1969-4-2 180 Riverside Upper slopes northwest of end of Andreas Canyon Club Road 487 Comment
  RSA180284  Prunus ilicifolia E. W. Lathrop 1965-4-26 5696 Riverside 4 mi. W. of Murrieta. Comment
  RSA525682  Prunus ilicifolia Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4541 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UCR269177  Prunus virginiana Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5017 Riverside San Jacinto Mountains, Strawberry Creek to the southwest of Strawberry Valley, c. 2.4 air miles southwest of Idyllwild 1534 Comment
  CAS-BOT-BC356331  Psathyrotes ramosissima Philip A. Munz 1940-3-23 15670 Riverside South base of Pinto Mts., road Dale to Cottonwood Springs 609 Comment
  CAS-BOT-BC356347  Psathyrotes ramosissima H. M. Hall 1905-4-1 5864 Riverside Nr. Chuckawalla [Chuckwalla] Comment
  RSA0014598  Psathyrotes ramosissima Justin M. Wood, J. Miner 2010-4-30 1553 Riverside Coachella Valley: Thousand Palms, just E of intersection of Ramon Rd. and Vista de Oro, just NE of Edison substation. 61 Comment
  UC74008  Psathyrotes ramosissima Dr. R. J. Smith 1904-5-18 325 Riverside desert near White Water Comment
  CAS-BOT-BC356595  Pseudognaphalium biolettii Steve Boyd 1985-12-25 1197 Riverside Gavilan Hills; granitic ridge on W side of Steele Valley in SCE Transmission Line Corridor Comment
  RSA613888  Pseudognaphalium biolettii A. C. Sanders 1997-3-1 19714 Riverside Box Springs Mtns: Coyote Hill (Bench Mark 'Versity', 1386ft) and ridge S and SE of the UCR Botanic Garden 427 Comment
  SEINET10669298  Pseudognaphalium canescens subsp. microcephalum Nye Leith, Greg Gust 2005-3-11 Nye 69 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  UCR281574  Pseudognaphalium leucocephalum Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-6-5 617- 81 Riverside Temescal Valley, Mayhew Wash, S side of Temescal Canyon Rd. at intersection with Temescal Hills Rd. 309 Comment
  UC468786  Pseudognaphalium thermale F. M. Reed 1907-11-10 1993 Riverside High Grove Top of Blue Mountain, High Grove 548 Comment
  UCR220329  Psilocarphus brevissimus D. E. Bramlet 1992-4-15 2224 Riverside Perris-Aguanga Basin Region, 7.5 km SW of Hemet, just east of California Ave and c. 100 m north of the ATSF RR tracks, NE of the intersection of California Ave. and Marvin Hull Road and c. 300 m west of the MWD Canal 453 Comment
  RSA560834  Psilocarphus tenellus Steve Boyd 1992-5-4 7189 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  SJSU5521  Psilostrophe cooperi R. C. McGehee 1970-4-16 215 Riverside by road between Wileys Well & Nyland Comment
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Aug 30 2007
  JOTR01284  Psilostrophe cooperi Cole, James E. 1941-5-21 752 Riverside Joshua Tree National Park. COTTONWOOD SPRING WASH 914 Comment
  UCR110912  Psilotum nudum A. C. Sanders 1999-1-9 22375 Riverside Peninsular Range, Riverside, E side of town at foot of Box Springs Mtns., old Al Boyce residence at 266 Frost Ct. 396 Comment
  UCR18981  Psoralea physodes John C. Roos 1960-5-30 s.n. Riverside Santa Ana Mtns., Ridge north of Bedford Peak. 1220 Comment
  CAS-BOT-BC354282  Psorothamnus Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater Comment
  CAS-BOT-BC353581  Psorothamnus arborescens var. simplicifolius H. M. Hall 1901-6-1 2008 Riverside San Jacinto Mountains, Canyon of the San Jacinto River 670 Comment
  UCR215634  Psorothamnus arborescens var. simplicifolius Bao Doan 2010-5-31 10 Riverside Western edge of Sonoran (Colorado) Desert, San Gorgonio Pass, Cabazon, Elm St. at San Gorgonio River wash crossing 473 Comment
  UC1129831  Psorothamnus emoryi H. S. Yates 1936-4-7 5439 Riverside 2 mi s Willis Palm; Thermal Quad., s of Willis Palm Comment
  SEINET3131125  Psorothamnus emoryi var. emoryi M. J. Gilman 1904-1 52 Riverside Colorado Desert Comment
  CAS-BOT-BC340861  Psorothamnus schottii John Thomas Howell 1928-3-25 3548 Riverside Near entrance to Painted Canon [Canyon], Colorado Desert Comment
  CDA27788  Psorothamnus schottii G. D. Barbe, J. L. Johnson 1982-11-2 4023 Riverside 3 miles west of Indian Well on Bradshaw Trail, south of Chuckwalla Mountains, southern Riverside County. 0 Comment
  RSA404255  Psorothamnus schottii D. A. Young 1969-4-18 P 353 Riverside 3 mi SE of hwy 74 (approx 8 mi S of Palm Desert) near the fence of the Univ. of Riverside Deep Canyon Research Station. 366 Comment
  SDSU7847  Psorothamnus schottii Thomas A. Zink 1971-4-1 Riverside Alongside Berdoo Canyon Rd. 8 miles north of Dillon Road. 549 Comment
  UCSB18653  Psorothamnus schottii Winn, Will 1963-4-8 Riverside U.S. Highway 60-70, 31.2 miles of Desert Center 304 Comment
  RSA125245  Psorothamnus spinosus E. K. Balls, George B. Everett 1957-8-20 22668 Riverside Palm Springs, on S boundary, along rd. to Cathedral City. 91 Comment
  SD37842  Psorothamnus spinosus Jack Rempel 1931-4-11 Riverside Colorado Desert Comment
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Jul 11 2010
  CAS-BOT-BC421260  Pterostegia drymarioides John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges: City of Temecula, immediately N and S of Murrieta Hot Springs Rd. along San Diego Aqueduct right-of-way. 396 Comment
  RSA314666  Pterostegia drymarioides Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55492 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  CDA40753  Pycnanthemum californicum C. R. Tower Jun 1954 s.n. Riverside In a canyon on the north side of the Santa Ana Mountains, facing towards Corona. 0 Comment
  UCR3710  Pyrola picta Frank C. Vasek 1964-7-25 640725- 17 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  RSA0086467  Quercus Mitch Provance 2012-4-27 412 -18 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-1- and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  RSA0105055  Quercus Mitch Provance 2012-4-27 412 -34 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westwards Ave. 799 Comment
  UCR278376  Quercus Mitch Provance 2012-9-5 912- 09 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., about 100 yards south of intersection with Breckenridge Ave. 755 Comment
  UCSB41270  Quercus X acutidens Cowan, Clark 1978-4-25 Riverside 6.7 mi (10.7 km) SW on 74 from jct w/ 71, 4.6 mi (7.3 km) from Lake Elsinore, Sta. Ana Mts. Cleveland Nat. Forest; Whittaker transect #W-229 Comment
  UCR158803  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31556 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  UCR163407  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 05- 594 Riverside San Bernardino National Forest: San Jacinto Mountains, 0.7 miles west of Santa Rosa Mountain Rd on SR 74 near Vandeventer Flat 1369 Comment
  POM296368  Quercus berberidifolia Lyman Benson 1945-11-10 11916 Riverside 5 miles east of Temecula. 457 Comment
  RSA0081317  Quercus berberidifolia Mitch Provance, Jeremiah George 2012-8-4 812 -32 Riverside Western Riverside County: Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero. 752 Comment
  UC5828  Quercus berberidifolia H. M. Hall 1901-8-5 2644 Riverside Canyon of the San Jacinto River San Jacinto Mountains 1066 Comment
  UC1010216  Quercus cornelius-mulleri John C. Roos 1947-12-13 3765 Riverside Lost Palms Wash Colorado Desert, Eagle Mts. 762 Comment
  UC496520  Quercus cornelius-mulleri Philip A. Munz 1932-10-16 12845 Riverside road from Deep Canyon to Vandeventer Flat; Santa Rosa Mts. 1066 Comment
  POM310603  Quercus john-tuckeri Marcus E. Jones 1956-04 s.n. Riverside Joshua tree on road to Juniper Flats. 1463 Comment
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Mar 14 2014
  SBBG1340  Quercus palmeri M. Van Rensselaer 1946-7-10 1921 Riverside Palms to Pines Hwy near Anza Rd jct 1371 Comment
  UCSB1229  Quercus palmeri Haller, John 1960-5-15 Riverside Vandeventer Flat, 3.3 mi. E of the junc. of the road to Anza on Calif. 74 1371 Comment
  SEINET2067043 Image available Quercus wislizeni B. Pitzer, Jack Easton 1987-3-10 411 Riverside Anza area, hills S of Thomas Mtn., ca. 3 miles E of town of Anza on N side of Hwy 371, Butterfly Peak 7.5' Quad. 1341 Comment
  UCR96263  Quercus wislizeni Scott D. White 1996-8-1 4445 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  CLARK-A1528-2914  Quercus wislizeni var. frutescens John C. Roos 1952-4-13 5518 Riverside Box Springs Mountains 518 Comment
  SEINET7063240  Rafinesquia californica A. G. Vestal 1963-5-19 s.n. Riverside Among granite boulders 0.9 miles west of Radec on Route 79 [old 71]. UTM Zone 11, 506657mE, 3703091mN. (WGS84/NAD83). 491 Comment
  UC36536  Rafinesquia californica Geo. R. Hall 1901-3-31 10 Riverside near Riverside Comment
  UC217944  Rafinesquia neomexicana P. A. Munz, D. Keck Apr 9 1922-Apr 12 1922 4884 Riverside vicinity Corn Springs (Colorado Desert, Chuckwalla Mountains, Southern California); Colorado Desert, Chuckwalla Mountains 609 Comment
  UCR109642  Ranunculus aquatilis T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  UCR161010  Ranunculus californicus John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  RSA701410  Ranunculus hebecarpus Steve Boyd, Aydee Virgen 2004-4-13 10887 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UC1608236  Ranunculus hebecarpus Steve Boyd 1992-4-15 6849 Riverside Bluewater Tr. downstream to confluence with San Mateo Creek; Santa Ana Mtns, San Mateo Cyn Wilderness Area, Bluewater Cyn 335 Comment
  SBBG128811  Ranunculus muricatus O. F. Clarke 2010-4-16 Riverside O.F.Clarke residence, 266 Frost Court, Riverside, E edge of UCR campus 351 Comment
  UCR248034  Ranunculus muricatus O. F. Clarke 2011-3-15 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA0013140  Ranunculus sceleratus var. sceleratus LeRoy Gross, Caitlin Elam 2013-5-14 6073 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR141231  Rhamnus californica subsp. tomentella A. C. Sanders, Mike Misenhelter 2004-10-6 28836 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  UCD111898  Rhamnus crocea Frank W. Gould 1943-4-17 2124 Riverside 12 miles S of Corona. Comment
  CAS-BOT-BC56042  Rhamnus ilicifolia A. C. Sanders 1995-11-26 17909 Riverside Tule Creek Valley, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371 1188 Comment
  RSA0104672  Rhamnus ilicifolia Duncan S. Bell 2015-9-30 8692 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  RSA180486  Rhamnus ilicifolia E. W. Lathrop 1960-6-8 4910 -b Riverside 14 miles west of Murrieta Comment
  SDSU13625  Rhamnus ilicifolia W. Miller with C. Mosse 1972-7-12 Riverside Comment
  SDSU20273  Rhamnus ilicifolia Adrienne D. Russell, Tahirch Linz & Matt Guilliams 2000-4-29 125 Riverside Santa Margarita Ecological Reserve, Temecula, insect trail, mapping project for plant taxonomy class. Comment
  UCR125993  Rhamnus ilicifolia Dave Goodward 2003-1-31 s.n. Riverside Box Springs Mountains, canyon SW of Pigeon Pass Rd, just before it begins climbing, c. 150 m south of the dump 427 Comment
  RSA764118  Rhamnus tomentella Linda M. Prince, Duncan S. Bell 2009-6-17 583 Riverside Cleveland National Forest Comment
  RSA20098  Rhamnus tomentella subsp. cuspidata I. W. Clokey, E. G. Anderson 1935-8-21 6735 Riverside North of Idlewilde. 1650 Comment
  RSA33625B  Rhododendron occidentale N. C. Cooper 1944-7-16 1551 Riverside San Jacinto Mountains, above Pine Cove. 2134 Comment
  RSA802096  Rhododendron occidentale Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4983 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  UC456171  Rhododendron occidentale I. J. Condit 1910-6-23 Riverside San Jacinto Mountains 2590 Comment
  RSA714380  Rhus trilobata T. B. Salvato 2004-5-27 593 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1402 Comment
  RSA797244  Ribes cereum Robert F. Thorne, Walter Wisura 1977-9-17 50782 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  JEPS49290 Image available Ribes nevadense W. L. Jepson 1901-5-19 1306 Riverside Strawberry Valley Mt. San Jacinto Comment
  SD2150  Ribes quercetorum Edmund Jaeger 1925-12-23 Riverside Aguanga 1067 Comment
  RSA171333  Ribes roezlii J. D. Olmsted 1962-5-3 3500 Riverside San Jacinto Mts, Rnear top fo Thomas Mt. 1951 Comment
  RSA459471  Ribes roezlii Anstruther Davidson 1896-07 1826 Riverside San Jacinto Mtns. Comment
  RSA0013155  Ribes roezlii var. roezlii LeRoy Gross, Duncan S. Bell 2013-4-30 6036 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  UCR234291  Romneya coulteri A. C. Sanders, John F. Green 2012-4-6 40013 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along Temescal Cyn. Rd., between Campbell Ranch Rd. and Glen Ivy Electrical Substation, west of I-15 Fwy, c. 10 miles south of Corona 327 Comment
  UCR264074  Romneya coulteri S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1072 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, lower part of canyon, near Corona 427 Comment
  CLARK-A1528-824  Rosa californica John C. Roos 1951-9-25 5261 Riverside Riverside Comment
  RSA192335  Rosa californica H. A. Zuill 1966-6-5 200 b Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
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Feb 12 2013
  RSA449716  Rosa californica M. B. Dunkle 1933-7-20 3705 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UC1921996  Rosa californica Scott D. White, Angelia Carey 2004-5-7 10334 Riverside San Jacinto Mountain Foothills: Indian Creek and adjacent foothills. Comment
  UCR90337  Rosa californica Scott D. White 1995-6-29 3412 Riverside Santa Ana Mtns,, Cole Creek, NW of Murrieta, just upstream from Murrieta Ck. confluence 366 Comment
  CLARK-A1528-4045  Rubus vitifolius John C. Roos 1952-6-25 5793 Riverside Riverside Comment
  UCR94930  Rumex acetosella Scott D. White 1996-8-15 4468 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  UCR90593  Rumex conglomeratus Scott D. White 1995-6-29 3374 Riverside Santa Ana Mtns., Murrieta Creek, NW of Murrieta, upstream from Cole Creek confluence, at Calle de Oso Oro Rd. crossing 351 Comment
  UCR136280  Rumex hymenosepalus A. C. Sanders, Guy Bruyea 2004-4-2 27438 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
  UCR150028  Rumex salicifolius Scott D. White, Angelia Carey 2004-5-7 10314 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR274290  Rumex salicifolius T. B. Salvato, Melissa Clemons 2005-6-6 1412 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  UC489199  Sagina saginoides C. V. Meyer 1928-7-26 541 Riverside San Jacinto Mt., Deer Springs 2743 Comment
  SEINET4095114  Sairocarpus coulterianus O. M. Clark 1929-1 1686 Riverside South Cabazon, southern California. Comment
  HSC79238  Salazaria mexicana G. K. Helmkamp 1983-10-8 - 32 Riverside TNC Big Morongo Preserve, S of town of Morongo Valley in Big Morongo Canyon, beside pipeline road 762 Comment
  JEPS62518  Salazaria mexicana Marjorie D. Clary 1932-5-26 1158 Riverside s of 29 Palms Hexie Mt. (Pleasant Valley); , Pleasant Valley 1066 Comment
  UCR50421  Salix L. F. LaPre, S. J. Myers 1988-2-18 s.n. Riverside Peninsular Range, 1/2 mi. SE of Tule Springs within boundaries of Anza-Borrego State Park 1131 Comment
  UC498787  Salix exigua Mrs. H. P. Bracelin 1932-4-12 603 Riverside 4.8 km. n Arlington (on rd. to Pedley, w of Riverside, e side of bridge over Santa Ana R.) 240 Comment
  RSA0010966  Salix exigua var. exigua Mary F. Spencer 1918-4-7 812 Riverside Palm Springs. 168 Comment
  RSA0010967  Salix exigua var. exigua I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canyon. 290 Comment
  LA208685  Salix exigua var. hindsiana Mrs. H. P. Bracelin; 1932-4-12 600 Riverside E side of bridge over Santa Ana River, 4.8 km. N of Arlington on rd to Pedley, W of Riverside 240.0 Comment
  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
  CAS-BOT-BC108110  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside Foot of east slope of Santa Rosa Mts., in Diablo Canyon, 3 m. above its mouth, near Clary's Coral Reef Ranch, Colorado Desert Comment
  LA208667  Salix gooddingii Carl W. Sharsmith; 1932-3-20 14 Riverside Santa Rosa Mountain, Diablo Canyon, foot of E slope of mountains; 3 m above canyon mouth, near Clary's Coral Reef Ranch Comment
  RSA714426  Salix gooddingii A. C. Sanders 2004-5-12 27866 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  SBBG29079  Salix gooddingii C. W. Sharsmith 1932-3-20 14 Riverside Diablo Cyn, 3 mi above its mouth, near Clary's Coral Reef Ranch, base of E slope Comment
  CAS-BOT-BC108216  Salix hindsiana Mrs. H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  SDSU12974  Salix laevigata Michael G. Simpson 1999-10-27 2043 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UCR139046  Salix laevigata D. L. Banks 1997-3-1 1380 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and a long Pechanga Creek 335 Comment
  UCR228874  Salix laevigata A. C. Sanders 2011-4-6 39016 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
  UCR41220  Salix laevigata N. M. Fellows 1985-5-3 78 Riverside San Jacinto Mtns, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mtns, 1 mi west of Snow Creek Village. 488 Comment
  CDA1356  Salsola australis R. E. Riefner Jr. 2007-2-19 Jul- 69 Riverside Hemet; Florida Ave (Hwy 74) .25 mi N of Warren Rd. at MWD Right of Way 0 Comment
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Nov 27 2013
  SEINET6655643  Salsola tragus R. E. Riefner Jr. 2006-11-14 06 -675 Riverside City of Riverside, Main St at Russell St.; 0 259 Comment
  RSA696725  Salsola tragus J. R. Bruff 1927-10-16 1 -W Riverside Roadside near Elsinore. Comment
  RSA0095112  Saltugilia australis J. D. Olmsted 1962-5-3 3519 Riverside Along road from Santa Rosa Indian Reservation to old village, etc. At first canyon crossing to SW side. 1555 Comment
  UCR165399  Saltugilia australis A. C. Sanders, D. Malueg 2003-5-8 26573 Riverside Perris-Aguanga Basin region, Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek 396 Comment
  RSA0095109  Saltugilia australis F. W. Peirson 1919-4-13 926 Riverside Tahquitz Camp, Palm Springs. Comment
  POM12875  Saltugilia splendens P. A. Munz 1922-7-6 6015 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  RSA761155  Saltugilia splendens subsp. splendens Shawn Krosnick, C. Martinez, Naomi Fraga, Lucinda McDade, et al. 2010-8-14 686 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC23849  Saltugilia splendens subsp. splendens Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains San Jacinto Mountains (Southern California) Comment
  SDSU13634  Salvia apiana W. Miller, C. Mosse 1972-7-20 Riverside R.C. Weather station. Comment
  RSA319650  Salvia apiana Patricia Wilder 1970-10-15 4817 Riverside Prado Dam; by entry gate on west end of top of dam; Chino Hills; Santa Ana River. 183 Comment
  CLARK-A1528-3105  Salvia apiana var. compacta John C. Roos 1948-5-8 3824 Riverside Whitewater Comment
  POM13400  Salvia apiana var. compacta E. C. Jaeger 1922-8-22 1013 Riverside Long Valley to Palm Springs. 1524 Comment
  CLARK-A1656-683  Salvia columbariae Lois Ann Scott 1979-3-15 Riverside Mecca 269 Comment
  RSA771675  Salvia columbariae Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4989 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
  SDSU7474  Salvia columbariae J. Godsil 1953-3-20 583 Riverside Hwy to 29 alms; Johua National monument. Comment
  UCSB9265  Salvia columbariae Wedberg, H. 1957-3-23 Riverside Whitewater Canyon Comment
  UCLA69708  Salvia eremostachya C. Epling and Mrs. Epling 1937-6-6 Riverside 0.6 mi below Shumway (Palms to Pines Hwy) Comment
  UCR17248  Salvia eremostachya Bonner Blong 1966-5-13 660513- 14 Riverside Santa Rosa Mtns, Martinez Canyon, below upper cabin on bench on south side of canyon 884 Comment
  RSA0042381  Salvia greatae Duncan S. Bell, LeRoy Gross 2014-3-13 6236 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  RSA0042827  Salvia greatae Duncan S. Bell, Deidre Conocchioli 2014-3-18 6251 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  UCR18805  Salvia greatae John C. Roos 1942-4-6 4142 Riverside Sonoran (Colorado) Desert, Orocopia Mtns., 2.1 mi NE of Dos Palmas Spring 213 Comment
  UCR251323  Salvia greatae Michelle Murphy-Mariscal 2014-5-6 50614- 2 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, 0.5 mi. east (88 deg. ) of trestle on Kaiser mine RR at wash crossing, between RR and Bradshaw Rd. 283 Comment
  OBI74592  Salvia mellifera David J. Keil 1983-4-15 16901 Riverside E of Temecula on SR79 Comment
  SEINET2445422  Salvia mellifera Daphne K. Christopher, Hannah Stevens 2003-4-4 88 Riverside Uc Riverside, Motte Rimrock Reserve. 530 Comment
  UCR213861  Salvia mellifera Scott D. White, Justin M. Wood 2009-5-22 12931 Riverside San Jacinto Mountains, Old Control Road, below Halfway Spring 915 Comment
  UCR91611  Salvia mellifera D. L. Banks, Steve Boyd 1995-3-30 0129 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
  UCR143464  Salvia mohavensis Carl Epling, Wm. Robison 1933-6-26 s.n. Riverside Southern Mojave Desert, Little San Bernardino Mtns., Key's View 1524 Comment
  UC25683  Salvia pachyphylla H. M. Hall 1898-1 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC233347  Salvia vaseyi Philip A. Munz 1937-5-29 15146 Riverside Dead Indian Creek, north base of Santa Rosa Mts. 457 Comment
  CSUSB699  Sambucus mexicana Conrad Bahre 1970-5-2 Riverside 16 miles east of Riverside along highway 60 in the Bad lands 761 Comment
  RSA500140  Sambucus mexicana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3669 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  UCR116779  Sambucus mexicana A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24168 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  CAS-BOT-BC238855  Sambucus nigra subsp. caerulea A. C. Sanders; Mitch Provance; T. B. Salvato 2001-5-7 24168 Riverside Perris-Aguanga Basin region: S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. E of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
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Dec 7 2018
  CAS-BOT-BC223224  Sanicula bipinnatifida Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-29 3904 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake 822 Comment
  SEINET273147  Sanicula bipinnatifida A. C. Sanders 1997-3-26 20137 Riverside Lake Skinner Area; large clay patch adjacent to the Skinner entrance rd ca 1 km NE of Borel Rd. UTM 10km cell; MH-9E 473 Comment
  RSA674919  Sanicula crassicaulis Scott D. White 2000-5-1 7737 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  UC1563043  Sanicula crassicaulis Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3074 Riverside 0.25 mi e of Pauba Road (s of Highway 79, Vail Lake Area); Vail Lake Area 426 Comment
  UCR137715  Sanicula crassicaulis D. L. Banks 1997-3-29 1556 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
  CLARK-A1528-1454  Sanicula tuberosa John C. Roos 1954-4-17 6068 Riverside Reche Canyon 670 Comment
  UC1611580  Sanicula tuberosa Steve Boyd, Tim Ross 1993-3-23 7908 Riverside s of Vail Lake (at n base of Agua Tibia Mtn, Agua Tibia Wilderness Area, Cleveland National Forest, extending s from end of Woodchuck Road); Palomar Range, Agua Tibia Mtn, Cleveland National Forest 731 Comment
  CAS-BOT-BC466220  Sarcodes sanguinea Peter H. Raven 1959-5-18 14240 Riverside San Jacinto Mts: Lake Fulmor Comment
  RSA471123  Sarcodes sanguinea R. S. Woglum 1937-5-22 590 -E Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
  UCR52212  Sarcostemma hirtellum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2099 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA386262  Schismus barbatus Christopher Davidson 1973-4-1 1806 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  UCR174144  Schismus barbatus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32516 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  CAS-BOT-BC111577  Schoenoplectus americanus Ivan Murray Johnston 1917-4-4 1037 Riverside Frequent in damp sand along creek, Palm Canyon 274 Comment
  RSA549283  Schoenoplectus hallii Steve Boyd 1991-6-14 6338 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  CAS-BOT-BC140674  Scirpus acutus A. C. Sanders 2004-5-12 27865 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  SEINET238805  Scirpus acutus var. occidentalis Mitch Provance 2000-6-24 2073 Riverside Riverside: Santa Ana River Wash between the Market Street bridge and the 60 Freeway. 244 Comment
  UC279706  Scirpus maritimus Edmund C. Jaeger 1925-5-18 Riverside Temecula Comment
  SBBG101770  Scrophularia californica S. Boyd with T. Ross 1991-6-14 6401 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  UC494718  Scrophularia californica subsp. floribunda Philip A. Munz 1932-3-24 12029 Riverside s Elsinore lake 365 Comment
  UCR281202  Scutellaria bolanderi subsp. austromontana James Hughes 2017-6-21 s.n. Riverside San Jacinto Mountains, Fleming Ranch 1569 Comment
  CAS-BOT-BC214232  Scutellaria bolanderi subsp. bolanderi John Thomas Howell 1927-8-2 2925 Riverside Road to Hemet at top of control, Mt. San Jacinto 1371 Comment
  UC456124  Scutellaria siphocampyloides I. J. Condit 1910-6-21 Riverside near Idlewild; San Jacinto Mountains 1524 Comment
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Mar 12 2011
  CLARK-A1045-866  Scutellaria tuberosa George K. Helmkamp 1978-6-1 #2 Riverside Santa Ana Mountains off of De Luz Road near [southeast of] Mesa de Burro; ; Murrieta 7.5'Q 487 Comment
  SEINET270116  Scutellaria tuberosa Steve Boyd, Tim Ross 1992-5-4 7187 Riverside San Mateo Canyon Wilderness Area ; Southern Santa Ana Mountains. Oak Flats area east of Verdugo Portero 732 Comment
  JOTR37747  Selaginella bigelovii Hodges, Stephen R., Aliya Ingersoll 2016-2-24 661 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Upper Long Canyon Comment
  RSA413254  Selaginella bigelovii James C. Dice, T. Chung 1987-10-19 736 Riverside North side of Temecula Gorge, ca. 0.4 km ENE of Field Station site (just SE of Weather Station), overlooking Santa Margarita River. 323 Comment
  CAS-BOT-BC62084  Selaginella eremophila S. B. Parish 1914-4-6 9030 Riverside Mountain Springs, Colorado Desert Comment
  UCR147704  Selaginella eremophila L. C. Wheeler 1964-10-17 8639 Riverside Sonoran (Colorado) Desert, N slope of Orocopia Mountains; southerly from Hayfield Reservoir (lake) Comment
  UC279629  Selaginella watsonii E. C. Jaeger 1921-6-29 571 Riverside <Tacquitz> Peak; San Jacinto Mts. 2895 Comment
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Feb 21 2014
  UCR136000  Senecio californicus Virginia Moran 2003-3-12 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  CAS-BOT-BC323974  Senecio flaccidus var. douglasii H. M. Hall 1901-6-1 2009 Riverside San Jacinto Mountains. Canyon of the San Jacinto River. 609 Comment
  LA203929  Senecio flaccidus var. douglasii Norman C. Cooper; 1944-5-20 2624 Riverside San Jacinto Mountains, Palms to Pines Highway 457 Comment
  RSA11744  Senecio flaccidus var. douglasii C. Epling, Wm. Robison 1933-6-24 s.n. Riverside Little San Bernardino Mountains. San Gorgonio Wash, near Banning Comment
  UCR100372  Senecio flaccidus var. douglasii A. C. Sanders, T. Tennant 1997-11-14 21599 Riverside San Bernardino Mtns., Morongo Indian Reservation, sag pond at SE end of Burro Flats 1110 Comment
  JEPS16686  Senecio flaccidus var. monoensis Rimo Bacigalupi with R. S. Ferris and R. W. Holm 1953-4-20 4045 Riverside 3 mi n Shavers Summit in Joshua Tree National Monument (close to head of Lost Palms Canyon); Lost Palms Canyon 762 Comment
  HSC82753  Senecio mohavensis Christopher Davidson 1979-4-4 7728 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  RSA673503  Senecio vulgaris Scott D. White, Sandy Leatherman 2000-4-19 7670 Riverside Santa Ana Mountains/Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east-and north-facing slopes. 640 Comment
  LA204900  Senegalia greggii Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, San Gorgonio Wash, near Banning Comment
  UCD108488  Sesbania herbacea Malcolm A. Nobs; S. Galen Smith 1948-9-3 500 Riverside Citrus grove, 2 miles north of Indio. Comment
  UCR125469  Sesuvium verrucosum A. C. Sanders, P. J. MacKay, D. L. Sanders 2003-2-9 25687 Riverside Sonoran (Colorado) Desert, Coachella Valley, 84th Ave. east of Johnson St., near west edge of Salton Sea -67 Comment
  UCR92352  Sesuvium verrucosum Scott D. White 1994-10-17 2467 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  UCR113880  Setaria gracilis Mitch Provance 2000-6-24 2060 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UC1132950  Setaria viridis H. S. Yates 1937-6-28 6742 Riverside near Indio; Thermal Quad. Comment
  CLARK-A1528-3243  Sidalcea neomexicana John C. Roos 1966-5-19 Riverside San Jacinto Valley Comment
  RSA650131  Silene gallica Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 609 Comment
  UCR132899  Silene gallica G. R. Ballmer 1998-3-14 s.n. Riverside Santa Ana Mtns., Walker Basin, west of Temecula, south of Rancho California Rd., vicinity of Via Vaquero 396 Comment
  UC8465  Silene laciniata subsp. major H. M. Hall June, 1901 2303 Riverside San Jacinto Mountains canyons of w side San Jacinto Mountains 1371 Comment