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

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR67732  Abies concolor Frank C. Vasek 1977-11-25 771125- 02 Riverside San Jacinto Mtns., area around Boulder Basin Campground, just below Black Mountain look-out Comment
  RSA0051596  Abies concolor Mike Thornburg 1977-5-29 s.n. Riverside San Jacinto Nat'l. Forest, Reeds Camp. 2438 Comment
  NY341988  Abronia aurita S. B. Parish 1896-4-4 4138 Riverside Palm Springs (Agua Caliente) desert base of San Jacinto Mountain 152.4 Comment
  SEINET945977  Abronia umbellata Forrest Shreve 1933-1 6307 Riverside Beach near Carlsbad. Comment
Read comments
Feb 2 2014
  CAS-BOT-BC229311  Abronia villosa Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  CSUSB1329  Abronia villosa Art Whistler 1966-5-7 Riverside Route 74, Palms-to-Pines Highway, near Lake Fulmor in Pine Forest. Comment
Read comments
May 29 2018
  SD204919  Abronia villosa Sarah J. De Groot, J. Mark Porter 2006-3-14 5203 Riverside North foot of San Jacinto Mountains, between Snow Creek Road and Highway 111. 351 Comment
  RSA0012147  Abronia villosa var. aurita Mark A. Elvin, Julie M. Vanderwier 2002-5-16 2052 Riverside Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  RSA0103442  Abronia villosa var. aurita Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8560 Riverside Garner Valley; west side of the highway, approximately 3.75 air miles southeast of Lake Hemet. 1370 Comment
  RSA461185  Abronia villosa var. aurita H. de Forest 1924-3-28 s.n. Riverside Palm Springs. Comment
  RSA461192  Abronia villosa var. aurita Ora M. Clark 1929-2-22 1576 Riverside E. of Whitewater Comment
  RSA69958  Abronia villosa var. aurita F. W. Peirson 1922-4-21 3340 Riverside Hemet Valley 1357 Comment
  RSA782341  Abronia villosa var. aurita Jim Andre, G. L. Clifton 2011-2-22 17473 Riverside Coachella Valley; N Palm Springs approx. 0.3 mile north of Hwy. 111, vacant lot at corner of San Rafael and Virginia Street. 189 Comment
  UCR133052  Abronia villosa var. aurita Michael C. Couffer 2003-9-12 s.n. Riverside Perris/Aguanga Basin, E of the City of Perris, south of Lake Perris, and south of a V-shaped downward pointing curve in the Ramona Expressway 491 Comment
  UCR266413  Abronia villosa var. aurita D. E. Bramlet, Fred M. Roberts 2005-6-6 3870 Riverside San Jacinto Valley, San Jacinto River at Sanderson Ave., north of Ramona Expressway 447 Comment
  RSA343356  Abronia villosa var. villosa F. R. Fosberg, M. H. Sachet 1983-4-23 64173 Riverside Whitewater Bridge. Comment
  SEINET3005055  Abronia villosa var. villosa G. Rink 2011-4-29 10493 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  UCR228397  Abronia villosa var. villosa Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-27 171 Riverside Northeastern Colorado (Sonoran) Desert, Mecca Hills Wilderness, off Box Canyon Road (66th St./Hwy 195), campground east of Mecca 198 Comment
  UCR116459  Acacia redolens A. C. Sanders, T. B. Salvato 2001-3-30 23856 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  CAS-BOT-BC30907  Acamptopappus sphaerocephalus Herman Knoche 1919-6-2 635 Riverside Whitewater Comment
  CAS-BOT-BC30949  Acamptopappus sphaerocephalus P. H. Raven 1958-5-18 12996 Riverside along State Highway 74, 4.9 miles north-east of Pinon Flats, San Jacinto Mountains Comment
  SD186059  Acamptopappus sphaerocephalus Mitch Provance, J. S. Ross 1998-3-27 MOR 957 Riverside Morongo Indian Reservation, road to Lion Canyon, ca. 1.0 mile northeast of the town of Cabazon. 579 Comment
  UCSB6305  Acamptopappus sphaerocephalus Don Graney 1953-3-20 104 Riverside collected 1.0 mi up, in the Colorado Desert White Water Canyon - White Water Canyon and Colorado Desert. Comment
  RSA416160  Acamptopappus sphaerocephalus var. sphaerocephalus Ora M. Clark 1929-2-22 1549 Riverside N. of White water, Colorado desert, So. Calif. Comment
  RSA613149  Achnatherum coronatum D. L. Banks 1997-4-5 1657 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
  UCD50308  Achnatherum coronatum A. A. Beetle 1944-4-27 1999 Riverside West of Murietta. Comment
  UC1131564  Achnatherum hymenoides H. S. Yates 1937-3-23 6414 Riverside near White Water; San Jacinto Quadrangle Comment
  UC39963  Achnatherum occidentale subsp. pubescens H. M. Hall July, 1901 2537 Riverside n side, San Jacinto Mts. San Jacinto Mts. 1524 Comment
  UC1133244  Achnatherum speciosum A. Lewis 1933-4-2 181 Riverside San Jacinto quadrangle Comment
  CHSC114152  Achyrachaena mollis A. C. Sanders; T. B. Salvano 2011-4-1 38942 Riverside Peninsular Range: Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill. 409 Comment
  POM123135  Achyronychia cooperi Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  POM7896  Achyronychia cooperi P. A. Munz 1920-4-4 3527 Riverside Pass South of Palm Springs. Comment
  RSA423491A  Achyronychia cooperi Anstruther Davidson 1983-4-10 s.n. Riverside Palm Springs. Comment
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Mar 20 2013
  SD39397  Achyronychia cooperi Edith A. Purer 1935-4-21 6478 Riverside near Palm Springs. Comment
  UCD97894  Achyronychia cooperi Geoffrey Levin 1976-10-17 1175 Riverside Box Canyon, about 11 miles east of Mecca. Mecca Hills mountain range. 91 Comment
  UCR164926  Achyronychia cooperi John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR17546  Achyronychia cooperi M. J. Arbaugh 1978-4-29 s.n. Riverside Western Colorado Desert, 8 mi north of Mecca on Painted Canyon Rd. Comment
  OBI52767  Acmispon argophyllus var. argophyllus B. Pitzer & A. C. Sanders, A. C. Sanders 1987-4-21 498 Riverside Box Springs Mts, near Southernmost radiotowers (Riverside E 7.5' quad: T2S, R4W, SE 1/4 sec 27 792 Comment
  SDSU14013  Acmispon argophyllus var. argophyllus Dinna Estrella, M. G. Simpson 2002-4-20 27 Riverside Santa Margarita Ecological Reserve. Road shoulder of Via Tornado Road, near junction with Santa Margarita river. 233 Comment
  UCR274185  Acmispon glaber var. brevialatus Dick Newell, Judy Booth 2015-10-25 412 Riverside Peninsular Range; Santa Ana Mtns., South Main Divide Road, 2.3 miles NW of Elsinore Peak 890 Comment
  SD107122  Acmispon heermannii var. heermannii B. Ertter, J. Strachan 1979-6-26 2988 Riverside Banning-Idyllwild Road at Black Mountain turnoff (Forest Road 4S01) Comment
  RSA0120632  Acmispon rigidus Duncan S. Bell, Thomas Stoughton 2016-3-17 8961 Riverside Orocopia Mountains; east side of the range; collecting in rocky hills to the west of Red Cloud Wash. 531 Comment
  UCR272482  Acroptilon repens Mitch Provance 2013-6-18 613- 28 Riverside San Bernardino Valley, Riverside, S corner of North Main St. and Dublin Way. 247 Comment
  RSA736705  Adenostoma fasciculatum Scott D. White 2004-4-26 10244 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  UCR16480  Adenostoma fasciculatum Paul M. Estes 1962-5-5 061 Riverside 9 mi. east of Riverside on Hwy 60 Comment
  UCSB2736  Adenostoma sparsifolium Gill, Robert 1959-11-22 Riverside Pines to Palms Highway 1219 Comment
  CLARK-A1528-33  Adiantum capillus-veneris E. M. Gifford 1938-1-9 8 Riverside Corona Comment
  RSA192013  Agoseris heterophylla var. heterophylla E. W. Lathrop 1966-5-8 6267 Riverside 5 miles west of Murrieta. Comment
  UCR26995  Agoseris retrorsa E. W. Lathrop 1966-5-29 6393 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  UCD53294  Agrostis scabra August L. Hormay 1932-8-8 s.n. Riverside Tahquitz Valley. Comment
Read comments
Aug 13 2006
  UCR116594  Albizia julibrissin A. C. Sanders, T. B. Salvato 2001-5-24 24370 Riverside Perris-Aguanga Basin, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. [Calle] Pina Colada 345 Comment
  UCR116074  Alchemilla occidentalis O. F. Clarke, Jeanine Derby 1974-4-13 s.n. Riverside Box Springs Mtns., E side of Box Springs Mtn. Rd. c. 1 mile above Pigeon Pass 686 Comment
  JOTR35381  Allionia incarnata var. incarnata Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 169 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  RSA708421  Allium haematochiton Scott D. White, Brian Leatherman, James Huelsman 2005-2-14 10779 Riverside Santa Rosa Plateau area, just SE of Redonda Mesa. Corona Cala Camino at intersection w/ Cerro Rd. 701 Comment
  RSA0007778  Allium haematochiton F. W. Peirson 2394 Riverside 4 mi. W of Beaumont. Comment
  UCR29261  Allium lacunosum var. lacunosum A. C. Sanders 1980-6-11 1577 Riverside San Jacinto Mtns, Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  UCR42166  Allium munzii Steve Boyd 1986-4-10 1645 Riverside Peninsular Range, Gavilan Hills region, Temescal Canyon. De Palma Road between Indian Truck Trail & Horsethief Canyon, 1.2 mi east of the Indian Truck Trail exit of Hwy I-15. 372 Comment
  RSA0006686  Allium munzii Steve Boyd 1986-4-20 1725 Riverside Gavilan Plateau, Gavilan Hills: clay soil on hillside south of Harford Springs County Park. 616 Comment
  RSA70238  Allium peninsulare F. W. Peirson 1930-5-10 8773 Riverside St. Johns Grade. south of Hemet 610 Comment
  SDSU18701  Allium praecox C. Matt Guilliams 2008-2-27 475 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. 405 Comment
  UCR90834  Allium roseum Steve Morgan 1995-4-17 s.n. Riverside UC Riverside Botanic Garden. Comment
  CDA7116  Allium subhirsutum A. C. Sanders 1998-4-12 21752 Riverside Yard of residence at 5081 Magnolia Ave, corner of Chapman Place, Riverside. Comment
  SBBG119392  Amaranthus blitum A. C. Sanders 2001-11-25 24887 Riverside Moreno Valley, planting bed at Home Depot at Pigeon Pass Rd on N side of Hwy 60 503 Comment
  UCR266151  Amaranthus cruentus R. E. Riefner Jr. 2015-11-1 15- 427 Riverside Perris-Aguanga Basin, city of Perris, Encanto Road c. 0.4 mi south of Ethanac Road, east of Hwy I-215 448 Comment
  JOTR32421  Amaranthus fimbriatus Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 10 Riverside Joshua Tree National Park. Queen Mountains; Intersection of Park Blvd. and Pinto Basin road; Small rocky hills and surrounding drainages 1112 Comment
  CLARK-A1528-1398  Amaranthus hybridus John C. Roos 1965-10-13 Riverside Corona Comment
  RSA402998  Amaranthus hybridus J. S. Stubblefield 1940-9-27 s.n. Riverside growing on ranch near Temecula Comment
  SEINET959638  Amaranthus powellii A. C. Sanders 1999-1 23104 Riverside Peninsular Range; San Jacinto Mtns.: Graner Valley, along Hwy 74 at Horse Canyon Rd., toward east end of valley (Butterfly Peak 7.5) 1448 Comment
  UCR40472  Amaranthus retroflexus Steve Boyd 1985-7-23 1025 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 8.5 mi. west of Rancho California 275 Comment
  CHSC95389  Ambrosia dumosa C. Spurrier; Way, M. J. 2001-6-14 6 Riverside Riverside County. Big Morongo Canyon Preserve, Kickapoo trail, 5.6 km north of State Water Company Entrance. 595 Comment
  JOTR29081  Ambrosia dumosa La Doux, Tasha 2005-3-30 1198 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA796457  Ambrosia dumosa Duncan S. Bell 2009-4-18 219 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
  UCR52229  Ambrosia dumosa Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2205 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA737349  Ambrosia psilostachya Justin M. Wood 2008-9-19 136 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UC468989  Ambrosia psilostachya R. L. Pendleton 1905-9-28 254 Riverside bottom Santa Ana River 243 Comment
  UCR171731  Ambrosia pumila John F. Green 2006-4-28 s.n. Riverside Peninsular Ranges, Temecula, Fields immediately N of Nicolas Road/Santa Gertrudis Creek, centered on San Diego Aqueduct corridor 351 Comment
  RSA0008350  Ambrosia pumila M. E. McGlaughlin, Elizabeth Friar 2003-7-25 093 Riverside Nichols Rd, South of I-15. North of Elsinore lake outlet; Peninsular Ranges; Perris-Aquanga Basin region. Comment
  CAS-BOT-BC273017  Ambrosia salsola Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-27 271 Riverside Below Andreas Canyon Club clubhouse; Andreas Canyon 304 Comment
  LA203739  Ambrosia salsola Carl Epling; March 1927 sn Riverside Palm Springs Comment
  SD229060  Ambrosia salsola Dick Schwenkmeyer 2012-11-6 862 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
  SDSU1709  Ambrosia salsola Marjorie Collier 1951-3-25 9145 Riverside Palm Canyon, 5 miles south of Palm Springs. Comment
  UC1069630  Ambrosia salsola R. St. John 1929-3-25 15 Riverside Foot of Cabezon Mt San Jacinto Quad., Foot of Cabezon Mt. 609 Comment
  SEINET6734852 Image available Ambrosia salsola H. M. Hall 1905-1 5983 Riverside Colorado Desert, Chuckawalla Springs, lower Sonoran zone Comment
  RSA92737  Ammannia coccinea J. C. Roos 1952-5-16 5672 Riverside 1 mile SE of Perris, San Jacinto river bottomlands. 427 Comment
  UC718408  Amorpha californica var. californica Carl B. Wolf 1933-8-24 5380 Riverside 1/2 mi below summit of Bedford Motorway; E. Slope Santa Ana Mts. 975 Comment
  SDSU14030  Amorpha fruticosa Kristin Andrade, Mike Simpson 2002-4-20 14 Riverside On north side of Santa Margarita river, tenth of a mile from junction of Via Tornado road. Santa Margarita Ecological Reserve Road. 235 Comment
  SDSU18366  Amsinckia intermedia C. Matt Guilliams 2008-2-13 444 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. South edge of mesatop. 448 Comment
  UCR49254  Amsinckia menziesii Steve Boyd 1986-3-9 1392 Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  UCR208906  Amsinckia retrorsa P. A. Munz 1927-5-20 10795 Riverside Murrieta Hot Springs 366 Comment
  HSC82821  Amsinckia tessellata A. C. Sanders, B. Pitzer, D. Charlton 1986-3-1 6015 Riverside Chuckwalla Valley, 1 mi. W of Hayfield Lake, 2 mi. SW of the pumping station on small cutoff road from Hayfield Rd. to the dirt road to the Colorado River Aqueduct 427 Comment
  RSA0091460  Amsinckia tessellata R. F. Thorne, R. Carolin 1967-3-21 41634 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  RSA796104  Amsinckia tessellata Duncan S. Bell 2009-4-20 316 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  CAS-BOT-BC272872  Ancistrocarphus filagineus Steve Boyd 1986-4-2 1588 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  RSA278295  Angelica tomentosa John F. Emmel 1976-6-23 550 Riverside Bay Tree Flat Campground, NW of Lake Fulmor, San Jacinto Mountains. 1601 Comment
  UC20795  Angelica tomentosa H. M. Hall July, 1901 2557 Riverside San Jacinto Mountains, Fuller's Mills Mountains Fuller's Mills Mountains; San Jacinto Mountains, Fuller's Mills Mountains 2133 Comment
  UCR244405  Anisocoma acaulis Jim Andre 2012-4-16 20955 Riverside Joshua Tree National Park;, along Geotour Road, at SW end of one-way loop in Pleasant Valley at foot drainage below Pinyon Well, c. 7.5 mi. south of paved National Park Loop Rd. 1095 Comment
  RSA0018999  Antennaria rosea subsp. confinis Steve Boyd, Gary D. Wallace 2005-7-30 11641 -A Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  CLARK-A1528-148  Anthemis cotula Fred B. Essig 1967-6-22 Riverside Riverside Comment
  UCR34896  Anthemis cotula L. B. Ziegler 1967-11-7 262 Riverside San Jacinto Mtns., Poppet Flats area 1070 Comment
  SD215368  Anthriscus caucalis Steve Boyd 1991-5-10 6214 Riverside Santa Ana Mountains, base of the range, just north of mouth of Hagador Canyon at bottom of Skyline Drive, 427 Comment
  POM244785  Antirrhinum coulterianum E. C. Jaeger 1938-5-14 s.n. Riverside Covington Flats, Joshua Tree National Monument. 1280 Comment
  UC444962  Antirrhinum coulterianum Katharine Brandegee 1896-4-10 Riverside Agua Caliente Comment
  UCR160124  Antirrhinum coulterianum J. Chandler 2003-6-24 1261516 Riverside Peninsular Range, Vacant lot across from 42525 Wildwood Lane, Aguanga 1006 Comment
  UCR89756  Antirrhinum coulterianum Scott D. White 1993-5-27 1429 Riverside North Alberhill Ranch, hills north of Walker Canyon 490 Comment
  UCR3405  Antirrhinum filipes John Minnich 1964-3-22 64-3-22- 3 Riverside Sonoran (Colorado) Desert, Box Canyon (Calif. Hwy 195), c. 10 mi. east of Mecca 61 Comment
  SEINET7048204  Antirrhinum kelloggii Steven R. Hill, Andrew C. Sanders 2001-5-4 33716 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  CAS-BOT-BC372462  Antirrhinum nuttallianum A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-7 37797 Riverside Southeastern Gavilan Hills norht of Alberhill, west of dirt extension of Lake St., 1.0 mile NW (341 deg. ) of intersection of I-15 and Lake St., Alberhill 7.5' Q., Southeastern Range 526 Comment
  RSA675686  Antirrhinum nuttallianum Scott D. White 2001-6-20 8597 Riverside Sun City Area: Just east of Goetz Rd. and south of Ethanac Rd. , ca. 11/2-2 mi west of I-215 Freeway. 135 Comment
  UCR117339  Antirrhinum nuttallianum Mitch Provance 1998-3-22 255 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  UCR83328  Antirrhinum nuttallianum A. C. Sanders 1994-5-15 14492 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  RSA304702  Antirrhinum nuttallianum subsp. nuttallianum James R. Shevock 1970-4-25 158 Riverside Coldwater Trail 579 Comment
  RSA496730  Antirrhinum nuttallianum subsp. nuttallianum B. Pitzer, A. C. Sanders 1987-4-21 496 Riverside Box Springs Mtns, near southernmost radio towers 793 Comment
  CLARK-A1528-135  Apiastrum angustifolium Heather Johnston 1967-5-6 050667-1 Riverside Santa Ana Mountains 975 Comment
  RSA561016  Apiastrum angustifolium Steve Boyd, Timothy S. Ross 1992-5-4 7194 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  SBBG119936  Apiastrum angustifolium C. McGaugh 2003-5-10 Riverside French Valley "Greenway site" along Tucalota Crk, ca. 1 mi E of Murrieta Hot Springs 396 Comment
  UC1536044  Apiastrum angustifolium Robert F. Thorne 1973-5-23 45534 Riverside Santa Rosa Plateau, Mesa De Colorado Mesa De Colorado; Santa Rosa Plateau, Mesa De Colorado 609 Comment
  RSA0126210  Arabis glabra D. Charlton 1988-5-21 1965 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on Hwy 74. 1829 Comment
  RSA0001900  Arabis johnstonii P. A. Munz, I. M. Johnston 1922-5-19 5485 Riverside Kenworthy, San Jacinto Mts. 1372 Comment
  UCR98896  Arabis sparsiflora var. californica Scott D. White 1996-8-1 4437 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA297318  Arceuthobium campylopodum Larry E. DeBuhr 1972-3-23 514 Riverside Santa Rosa Mtns. San Bernardino National Forest. On Santa Rosa peak, growing on Pinus Jefferyi. 2439 Comment
  RSA508021  Arceuthobium campylopodum Steve D. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2287 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA629399  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19528 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629449  Arctostaphylos glandulosa Jon E. Keeley 1992-7-16 16577 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  SEINET12524571 Image available Arctostaphylos glandulosa M. F. Buell, Helen F. Buell 1961-1 s.n. Riverside Santa Ana mts, S of Corona. 1158 Comment
  RSA629405  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19524 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  POM254924  Arctostaphylos glandulosa subsp. zacaensis W. Pequegnat 1940-4-12 s.n. Riverside Main Divide Road, east of Los Pinos Peak, Santa Ana Mts. Comment
  RSA59195  Arctostaphylos glandulosa var. adamsii Frank W. Gould 1943-4-18 2134 Riverside 8 miles east [NW] of Idyllwild Comment
Read comments
Sep 29 2011
  HSC101773  Arctostaphylos glauca J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13186 Riverside Along State Route 74 1227 Comment
  JOTR16666  Arctostaphylos glauca Walters, Jim 1967-4-11 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS 1645 Comment
  POM367316  Arctostaphylos glauca Kenneth R. Montgomery 1969-9-7 69 -24 Riverside Wilson Valley Road, 18 miles south of Hemet 1220 Comment
  RSA631800  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19568 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  RSA631846  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20175 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 3 km south of Pinyon Pines, Santa Rosa Mountains. 1350 Comment
  RSA633529  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20121 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633701  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16671 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633724  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16627 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA633767  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16633 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA635306  Arctostaphylos patula Jon E. Keeley 1992-11-11 22539 Riverside Saddle Junction, ca. 2 km northeast of Humber Park, Idyllwild, San Jacinto Mtns. 2400 Comment
  CAS-BOT-BC44361  Arctostaphylos pringlei subsp. drupacea Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  JEPS26531  Arctostaphylos pringlei subsp. drupacea Peter Kamb 1947-5-17 516 Riverside Hall Canyon; San Jacinto Mts., Hall Canyon 1645 Comment
  POM367418  Arctostaphylos pringlei subsp. drupacea Joseph A. Ewan 1929-6-16 3586 Riverside Lily Creek Canyon above Idyllwild. 1677 Comment
  RSA256990  Arctostaphylos pringlei subsp. drupacea Gary D. Wallace 1967-5-6 741 Riverside San Bernardino Mt. for. south of Banning in San Jacinto Mtns. along road to idyllwild, north of McMullen Flat. Comment
  RSA635687  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 16605 Riverside Hwy 371 & Burnt Valley Rd, San Jacinto Mtns. Comment
  RSA70867  Arctostaphylos pringlei subsp. drupacea F. W. Peirson 1921-3-21 2386 Riverside Gordon Trail from Andreas Canyon, east base of San Jacinto Mts. 1829 Comment
  SBBG34180  Arctostaphylos pringlei subsp. drupacea T. L. Secrest 1951-5-20 Riverside Idyllwild 1524 Comment
  CAS-BOT-BC46258  Arctostaphylos rainbowensis Steve Boyd 1994-10-14 8380 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. Fisherman's Camp Trail 462 Comment
  SD180721  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 403 Riverside Santa Margarita Ecological Reserve, along A!Highlands TrailA(r) at northern rim of mesa-top. 654 Comment
  SFV21857  Argemone corymbosa J. R. Pucci 2001-5-7 14 Riverside San Jacinto Mountains Chino Canyon. Along abandoned road off north side of Tramway Road, 2 miles west of Highway 111. 425 Comment
  RSA434324  Argemone munita subsp. rotundata N. C. Cooper 1944-5-6 1181 Riverside Banning. 610 Comment
  RSA0040073  Argythamnia neomexicana Jim Andre 2014-1-27 26660 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA0027581  Aristida adscensionis Kristin Forgrave, April Garbat, Deidre Conocchioli 2013-8-13 36 Riverside Sonoran Basin & Range. Chuckwalla Valley: From Blythe, Ca, head west on 1-10 for 23 miles. Exit at Ford Dry Lake, turn left to cross back over the interstate and turn right on Chuckwalla Valley Rd., Site is 1.5 miles down on south side of road, near intersection of Graham Pass Rd (unpaved). 120 Comment
  RSA0047320  Aristida adscensionis Jim Andre 2014-1-27 26667 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA786233  Aristida adscensionis C. P. Cowan 1978-4-23 1225 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct with Hwy 111 at Indian Wells. Whittaker transect no.W-220 (voucher). 950 Comment
  UCD56426  Aristida adscensionis D. C. Finfrock 1951-5-10 s.n. Riverside Hwy. 60-70 at Black Rock, 10 miles west of Blythe. Comment
  POM8548  Aristida adscensionis var. modesta P. A. Munz 1920-4-3 3566 Riverside Ford's Well west of Blythe. 305 Comment
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Sep 8 2011
  RSA781967  Aristida purpurea var. fendleriana Stephanie Rockwood, Christi Gabriel 2011-11-1 193 Riverside Pallen Dunes Road, Ford Dry Lake area. I10 exit 217. Chuckwalla Valley. 107 Comment
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Sep 10 2016
  RSA799085  Aristida purpurea var. fendleriana Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6882 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  CAS-BOT-BC500348  Aristida purpurea var. nealleyi A. C. Sanders; Jim Malusa 2015-3-10 41372 Riverside Sonoran (Colorado) Desert: N end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mts Aerial Gunnery Range 610 Comment
  UC573616  Aristida ternipes var. hamulosa H. S. Yates 1937-6-27 6709 Riverside Lower San Jacinto River Canyon San Jacinto Quadrangle 640 Comment
  UCR110452  Artemisia biennis D. E. Bramlet 1998-6-25 2640 Riverside Perris-Aguanga Basin region, North Domenigoni Hills. 1.83 km east of Warren Road and 1 km south of Harrison Avenue, 244m east of the access road to the EMWD storage tank 495 Comment
  UCR90950  Artemisia californica Scott D. White 1996-2-18 3812 Riverside Perris Basin, Double Butte, NW of Winchester, SE-facing slope of west butte and alluvial soil at base 490 Comment
  CAS-BOT-BC90419  Artemisia douglasiana H. A. Zuill 1966-7-26 301 Riverside about 7.5 miles SW of Murrieta Comment
  RSA191419  Artemisia douglasiana E. W. Lathrop, R. F. Thorne 1967-9-26 6612 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  RSA595907  Artemisia douglasiana Darin L. Banks, Lauren Raz 1996-11-5 1166 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, ESE of San Gabriel Church; Along the floodplain of the southern fork of Pechanga Creek. 415 Comment
  RSA736852  Artemisia ludoviciana Scott D. White, Angelia Carey 2004-7-2 10595 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA189420  Artemisia ludoviciana subsp. albula L. S. Rose 1966-12-14 66106 Riverside Chino Canyon, 3 mi. W of Palm Springs. 671 Comment
  JEPS47800  Asclepias californica W. L. Jepson 1928-4-19 12426 Riverside 5 mi or more n Elsinore Comment
  RSA496474  Asclepias californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-31 3093 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, W of Woodchuck Rd. 488 Comment
  RSA0112098  Asclepias erosa Duncan S. Bell 2009-8-15 429 Riverside Northeast side of the Arica Mountains, where the railroad tracks cross Midland Road. 251 Comment
  UCR224181  Asclepias erosa Justin M. Wood, Dustin M. Ray 2010-10-21 2999 Riverside Colorado (Sonoran) Desert, Chuckwalla Valley northeast of Victory Springs and 0.9 km east of Kaiser Road on unmarked 4WD road 198 Comment
  RSA0108822  Asclepias subulata Duncan S. Bell, Amanda Turek 2009-3-30 181 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  SBBG13938  Asclepias subulata E. R. Blakley 1961-9-10 4708 Riverside Cactus City, US Hwy 60-70 E of Indio 504 Comment
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Mar 20 2011
  UCR241796  Asparagus asparagoides A. C. Sanders 2010-5-29 38428 Riverside Riverside, yard at 5081 Magnolia Ave., at corner of Chapman Place 258 Comment
  POM49135  Aster alpigenus Mary F. Spencer 1919-7-6 1256 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mountains. 2378 Comment
  UCR207320  Aster subulatus O. F. Clarke 2007-10-5 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  CHSC8460  Astragalus Edward Laidlaw Smith 1958-3-22 411 Riverside Sand dunes 3 mi. s. Rice. Little Santa Maria Mt. Range. Colorado River drainage area. 335 Comment
  SBBG3150  Astragalus aridus H. and M. Dearing 1949-4-6 6737 Riverside below sea level, near Mecca Comment
  UCR228163  Astragalus aridus Dave Silverman, Fred T. Sproul, Tammie Beyerl, Erin Bergman 2010-3-29 7877 Riverside Sonoran (Colorado) Desert, East end of Chuckwalla Valley, W of Blythe, 615 m S of gas line frontage, 1.35 km S of I-10 and 7.4 km west of Nicholl's Warm Spring 155 Comment
  CAS-BOT-BC177718  Astragalus crotalariae P. A. Munz; D. Keck 1922-4-8 4743 Riverside Colorado Desert. 1/2 mi. east of Indio -15 Comment
  CAS-BOT-BC177723  Astragalus crotalariae F. O. Ballou 1926-2-28 s.n. Riverside Fish Springs near Oasis Comment
  CHSC823  Astragalus crotalariae E. Thomas 1940-3-3 Riverside Coachella Valley. -30 Comment
  UCR85568  Astragalus didymocarpus var. didymocarpus Julie A. Greene 1993-4-3 1119 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Weedy area by Fence Line Road gate. 441 Comment
  RSA498261  Astragalus didymocarpus var. dispermus Robert M. Perkins, H. de Forest 1937-3-15 382 Riverside Just West of Desert Center. Comment
  CAS-BOT-BC182633  Astragalus didymocarpus var. obispoensis Carl B. Wolf 1935-4-7 6301 Riverside Gavilan Hills Region. 1 mi. SW. of Perris 426 Comment
  CAS-BOT-BC178448  Astragalus douglasii var. parishii E. K. Balls 1949-5-4 13482 Riverside Near Fuller Creek Camp Ground, San Jacinto mts. 1371 Comment
  RSA415495  Astragalus douglasii var. parishii N. C. Cooper 1944-5-20 1238 Riverside Pine Flats, Palms to Pines Highway, San Jacinto Mountains. 1220 Comment
  POM172030  Astragalus gambelianus F. M. Reed 1930-4-15 6815 Riverside Plateau south of Gavilan Peak. [Gavilan Plateau] Comment
  CAS-BOT-BC186901  Astragalus insularis var. harwoodii C. L. Hitchcock 1966-3-21 24331 Riverside About 15 mi. s. of Rice, on dirt road to Blythe Comment
  SBBG54104  Astragalus lentiginosus var. borreganus T. Minthorne -- Riverside between Banning and Palm Springs Comment
  LA85610  Astragalus lentiginosus var. fremontii Elizabeth McClintock; 1946-4-14 Riverside Pines to Palms Highway, 2 miles from foot of grade Comment
  UCR109472  Astragalus nuttallianus A. C. Sanders, K. C. Rose 1995-4-5 16371 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  OBI35667  Astragalus pachypus var. jaegeri Louis B. Ziegler 1968-3-27 268 Riverside Base of San Jacinto Mts. On Poppet Flats Rd Comment
  CAS-BOT-BC194174  Astragalus pomonensis T. Winfield 1975-5-9 2425 Riverside Goetz Rd ~ 2 m N Sun City, 1 m S Ethanic Rd. Comment
  RSA415654  Astragalus pomonensis N. C. Cooper 1949-3-18 3165 Riverside Elsinore. 457 Comment
  POM26484  Astragalus pomonensis Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Spring, near Temecula. 366 Comment
  UC81362  Astragalus sabulonum C. R. Orcutt 1891-4-24 Riverside Indio Comment
  POM183481  Astragalus tricarinatus Joseph A. Ewan 1930-4-18 3096 Riverside Dry Morongo Creek below Morongo valley. 518 Comment
  RSA801718  Astragalus trichopodus Keith E. Hoffmaster 1937-6-6 797 Riverside San Jacinto mountains, near Hemet Lake Comment
  SBBG56269  Athyrium filix-femina var. cyclosorum R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns Comment
  UC811445  Athyrium filix-femina var. cyclosorum P. A. Munz 1922-7-6 6030 Riverside n fork of Tahquitz Creek; San Jacinto Mts 2225 Comment
  RSA23225  Atrichoseris platyphylla Ernest Braunton 1940-4-3 2017 Riverside Berdoo Canyon, 10 mi. E. of Indio 304 Comment
  SD45170  Atrichoseris platyphylla Helen K. Sharsmith 1952-4-8 4051 Riverside Pinto Mountains near Meek Mine and ca. 2.5 miles beyond Mission Well. 580 Comment
  UCR166847  Atrichoseris platyphylla Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  RSA784837  Atriplex J. D. Olmsted 1959-9-23 1011 Riverside 2.25 mi S of Hemet Lake along Hwy 74, San Jacinto Mts. drainage area to Hemet Lake 1387 Comment
  SEINET3930036  Atriplex argentea var. mohavensis Steve Boyd, Darin L. Banks 1994-9-29 8365 Riverside Lake Elsinore, floodplain east of dike along San Jacinto River, west of Sedco Hills community.; 0 381 Comment
  RSA0106716  Atriplex canescens Duncan S. Bell, Amanda Turek 2010-1-30 529 Riverside About 4 air miles northwest of the Arica Mountains; along the California Aqueduct, to the south of Highway 62. 282 Comment
  RSA543198  Atriplex canescens Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6098 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  RSA696730  Atriplex canescens J. R. Bruff 1928-11-12 382 Riverside Aquanga Comment
  SEINET998491  Atriplex canescens A. C. Sanders 2005-1 29128 Riverside Sonoran (Colorado) Desert: SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. (East of Victory Pass 7.5' Q) 168 Comment
  UC850851  Atriplex canescens Carl B. Wolf 1932-10-13 4322 Riverside ne side Salton Sea (at Durmid, ne side S. P. R. R. tracks, Colorado Desert); Colorado Desert, ne side Salton Sea, Durmid -60 Comment
  CAS-BOT-BC170200  Atriplex canescens subsp. canescens K. Larson 1976-9-30 60062 B Riverside So. of Big Maria Mountains N. of Blythe Comment
  RSA5448  Atriplex canescens var. laciniata C. B. Wolf 1932-10-13 s.n. Riverside Caleb (Southern Pacific railway siding), 4.5 miles SE of Mecca, Colorado Desert 61 Comment
  UCR228217  Atriplex canescens var. macilenta Dave Silverman 2010-3-24 7829 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 4.5 km southeast of Sidewinder Well, 2.3 km SW of Palen Dunes Dr., and 4.2 km north of Interstate 10 128 Comment
  RSA0089541  Atriplex coronata var. notatior D. E. Bramlet, Melissa Riedel-Lehrke 2006-5-31 4014 Riverside Perris Basin: West Hemet area, MWD canal right-of-way, south of Florida Ave. 456 Comment
  RSA0135547  Atriplex coronata var. notatior David E. Bramlet, Fred Roberts, Rick Riefner 2005-6-7 3874 Riverside 4.5 miles west of Hemet. 1,500 ft. south of Stetson & 500 ft. east of California. 456 Comment
  RSA520927  Atriplex coronata var. notatior D. E. Bramlet, A. Parikh 1990-6-14 2038 Riverside 6.5 km West of Hemet, approximately 600 m south and west of the intersection of warren and Florida. 0-50m east of the MWD San Diego Canal. 457 Comment
  RSA520930  Atriplex coronata var. notatior D. E. Bramlet 1990-7-25 2059 Riverside Just north (0-200m) of Ellis Ave. some 860 m west of the intersection of Sherman Rd. and Ellis Ave. This site is 440 m east if the 215 freeway. 473 Comment
  SD134476  Atriplex coronata var. notatior Craig Reiser 1991-4-30 Riverside East of Pico near Lake Perris, south of Ramona Expressway (see map) Comment
  UCR66973  Atriplex coronata var. notatior D. E. Bramlet 1990-6-14 2038 Riverside San Jacinto Valley, c. 6.5 km SW of Hemet, c. 400 m north of the Santa Fe RR tracks and adjacent to (E of ) MWD canal, c. 900 m west of Warren Ave 457 Comment
  UCR208450  Atriplex glauca R. E. Riefner Jr. 2002-12-12 02- 521 Riverside Peninsular Range; Temescal Canyon Mouth, city of Corona, along Magnolia Ave. off-ramp on southwest side of Hwy I-15 216 Comment
  CAS-BOT-BC170257  Atriplex hymenelytra L. A. Greata 1905-4-1 396 Riverside Coachella Comment
  SEINET12740150  Atriplex hymenelytra E. Adams 1978-1 S.N. Riverside Mecca, Box Canyon. Desert wash. Comment
  SD123921  Atriplex lentiformis subsp. lentiformis Barry A. Prigge 1980-9-17 4057 Riverside Coachella Valley stormwater channel; east of Munroe St., Indio. Comment
  UCR239218  Atriplex polycarpa Thomas R. Stoughton, E. Gardner, D. Bell 2010-11-12 714 Riverside Colorado Desert; Northeastern Colorado Desert, Coachella Valley Preserve. Site #3. Ca 0.25 mile E of road 305 Comment
  UCD97790  Atriplex serenana var. serenana D. E. Bramlet; D. J. Bradney 1989-7-3 1931 Riverside Perris-Aguanga Basin region; Diamond Valley, just north and east of the Searl Ranch buildings. 482 Comment
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May 18 2015
  UCR213868  Atriplex serenana var. serenana Scott D. White 2009-8-10 13355 Riverside Temecula Valley, city of Temecula, west bank of Murrieta Creek, c. 0.5 mi north and south of the Main Street Bridge 306 Comment
  JOTR36019  Ayenia compacta Harding, Mitzi, T. Herskovits 2012-3-16 226 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  SEINET10668633  Baccharis David B. Dunn 1947-9-21 Dunn 3515 Riverside Seedlings in the wet sand near stream from springs. Comment
  UCR262331  Baccharis brachyphylla Duncan S. Bell, John Anderson, Kim Clark, Ed Howland 2013-9-29 6037 Riverside Colorado (Sonoran) Desert, Chuckwalla Mountains, south side of Corn Springs Wash, c. 3 air mi west of Corn Springs, and c. 0.5 air mi south of Aztec Well 659 Comment
  RSA614091  Baccharis emoryi A. C. Sanders, C. L. Sanders 1994-12-4 15882 Riverside Salton Trough: Dos Palmas oasis area, San Andres palm grove, 1.75 km (1.1 mi) WSW of Rancho Dos Palmas., Marked ''seep'' on Durmid 7.5' Quad. -23 Comment
  UCR121891  Baccharis pilularis Ian G. Gillespie 2001-5-7 81 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as Sycamore Canyon Area. North of Indian Truck Trail, in drainage off of De Palma Road. Heavy construction currently underway in adjacent areas 335 Comment
  CAS-BOT-BC106740  Baccharis salicifolia Clare B. Hardham 1956-5-9 641 Riverside Banks of San Marcos Creek near Oak Flat Road Comment
  POM15077  Baccharis salicifolia Mary F. Spencer 1922-4-3 649 Riverside Tahquitz Canyon, Palm Springs 183 Comment
  RSA145921  Baccharis salicifolia William McKinley Klein, J. E. Klein 1958-2-9 21 Riverside 4.5 mi. northwest of Alberhill (Calif. hwy 71). Comment
  RSA770681  Baccharis salicifolia Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4758 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65120 604 Comment
  UC485502  Baccharis salicifolia T. S. Brandegee 1896-4-10 Riverside Agua Caliente [note on specimen: = Palm Springs, present Riverside Co.] Comment
  CAS-BOT-BC99866  Baccharis sergiloides Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC99872  Baccharis sergiloides Carl B. Wolf 1932-10-12 4297 Riverside Canyon at Pinyon Well, Little San Bernardino Mts. (Conchilla Mts.) 1219 Comment
  UCR89540  Baccharis sergiloides Bern Schwenn 1994-5-18 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, north side of the Eagle Mountains, site of Conejo Well 1021 Comment
  POM259110  Bahia dissecta Philip A. Munz 1938-8-14 15364 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2438 Comment
  POM294110  Bahiopsis parishii Lyman Benson 1946-4-15 12044 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  RSA1392  Bahiopsis parishii B. D. Stark 1930-4-2 785 Riverside Whitewater Bridge, San Gorgonio Pass 457 Comment
  POM10321  Baileya pleniradiata Charlotte M. Wilder 1904-11-20 520 Riverside Near Desert Queen Mine, edge of Colorado Desert Comment
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Nov 6 2011
  RSA790633  Baileya pleniradiata Aaron C. Sedgwick, David Fraker 2012-4-24 3 Riverside In the Palen Valley south of Hwy. 10 on Dupont Rd., ca. 2 mi. northeast of the Chuckwalla Mountains Wilderness Area. 183 Comment
  RSA220995  Barbarea orthoceras E. W. Lathrop 1966-3-30 6125 Riverside Mail Divide Truck, Trail between El Carriso and Santiago Peak, Cleveland Nat l Forest 1220 Comment
  RSA696875  Bebbia juncea J. Russell Bruff 1927-10-8 1 -N Riverside Thousand Palms Comment
  JEPS19308  Bebbia juncea var. aspera W. L. Jepson Oct 22 1912-Nov 7 1912 5249 Riverside Blythe Intake, Palo Verde Valley, Colorado River 45 Comment
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Aug 29 2012
  UCR241957  Bebbia juncea var. aspera A. C. Sanders, John F. Green 2012-3-21 39983 Riverside Peninsular Range; Gavilan Hills, Good Hope area, along powerlines south of the dirt extension of Ethanac Rd. and north of Eugene St., near S end of Richland Ln. 494 Comment
  RSA713874  Bebbia juncea var. juncea Michael Wall 2006-6-3 418 Riverside Along the San Jacinto River, east of Hemet, ca. 2.2 miles east of the Cranston Ranger Station 652 Comment
  UC1126277  Berberis aquifolium var. dictyota A. Lewis Mar 1934 323 Riverside Bedford Canyon; Corona Quadrangle, Cleveland Nat'l Forest Comment
  CLARK-A1528-2274  Berberis dictyota John C. Roos 1947-1-4 3197 Riverside Reche Canyon 487 Comment
  UCR35179  Berberis nevinii L. B. Ziegler 1977-9-20 570 Riverside Peninsular Range, Vail Lake, hills on south side of lake 488 Comment
  UC667315  Bernardia incana Annie M. Alexander and Louise Kellogg 1941-5-10 2144 Riverside small canyon 3 mi. n.e. Cottonwood Spring (Eagle Mts.); Colorado Desert, Eagle Mts. 1036 Comment
  UCD142298  Bernardia incana Robert F. Thorne; Avi Shmida, Robert Whittaker 1978-4-23 52064 Riverside Palms to Pines Highway. Comment
  HSC80236  Beta vulgaris Steve Boyd 1985-8-7 1119 Riverside Murrieta area, Clinton Kieth Rd., just E of the Bear Creek development golf course. Comment
  UCR23741  Bidens pilosa John C. Roos 1965-8-18 s.n. Riverside In Corona Comment
  UCD114305  Boechera arcuata Nancy Ryan Zabriskie; Walter Zabriskie 1972-6-18 524 Riverside Along fire rd S of S end Marion Ridge Rd., Pine Cove, NW of Idyllwild, San Jacinto Mts. 1938 Comment
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Dec 25 2013
  RSA482681  Boechera californica R. S. Woglum 1941-6-12 3059 -A Riverside Idyllwild Comment
  CAS-BOT-BC434516  Boerhavia diffusa T. C. Fuller 1968-7-17 17388 Riverside 288 E. Main St., San Jacinto Comment
  RSA518305  Boerhavia wrightii A. C. Sanders 1989-9-20 9514 Riverside Chocolate Mountains Aerial Gunnery Range: Tabaseca Tank, in the extreme northern end of the Chocolate Mountains. 610 Comment
  RSA192349  Boisduvalia densiflora H. A. Zuill 1966-7-7 277 Riverside About 3 miles SW of Murrieta- near junction to Santa Rosa Ranch. Comment
  SBBG82061  Bolboschoenus maritimus subsp. paludosus 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
  RSA719269  Bouteloua aristidoides var. aristidoides Michael Honer, L. Hulse 2004-4-3 1917 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. 610 Comment
  RSA781411  Bouteloua barbata Duncan S. Bell 2011-10-22 2991 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
  SEINET212402 Image available Bouteloua barbata Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Ke 1973-3-23 6490 Riverside Palen Valley 15 mi NE of Desert Center 183 Comment
  JOTR29253  Bouteloua barbata var. barbata La Doux, Tasha 2005-8-17 1534 Riverside Joshua Tree National Park. Queen Valley, along Bighorn Pass Road 1321 Comment
  JOTR35007  Bouteloua barbata var. barbata La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3109 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  RSA741581  Bouteloua curtipendula Scott D. White, Justin M. Wood 2008-6-17 12177 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  CLARK-A1528-5666  Brandegea bigelovii John C. Roos 1960-4-8 Riverside 380 Comment
  UCR269836  Brandegea bigelovii A. C. Sanders, Jim Malusa 2016-3-18 42378 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UCR213832  Brassica geniculata Scott D. White, Justin M. Wood 2009-5-21 12847 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 north on Valley Hi Drive, from intersection with Twin Pines Road 1201 Comment
  UCR172193  Brassica kaber John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  CAS-BOT-BC36847  Brassica tournefortii Lewis S. Rose 1962-3-2 62006 Riverside La Quinta. 3 Comment
  RSA543311  Brassica tournefortii Steve Boyd 1991-3-17 5485 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
  RSA709905  Brassica tournefortii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4610 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA784969  Brassica tournefortii Duncan S. Bell 2012-3-18 3232 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  CAS-BOT-BC106186  Brickellia desertorum Scott D. White 1996-9-22 4527 Riverside Lakeview Mts - N of Homeland, along Juniper Flats Rd., ca. 1.2 road miles N of intersect. w/St. Hwy. 74. 502 Comment
  POM351177  Brickellia desertorum N. R. Zabriskie 1971-11-15 463 Riverside Andreas Canyon, E slope San Jacinto Mountains, Riverside Co. 305 Comment
  RSA595916  Brickellia desertorum Darin L. Banks, Lauren Raz 1996-11-5 1175 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 20 m E of its intersection with Pechanga Creek. 393 Comment
  CDA10550  Brickellia incana G. D. Barbe, J. L. Johnson 1982-11-2 4028 Riverside 3 miles west of Indian Well on Bradshaw Trail, south of Chuckwalla Mountains, southern Riverside County. 0 Comment
  POM135924  Brickellia incana J. B. Feudge 1927-5-9 1609 Riverside Shavers Well, Colorado Desert Comment
  SD68963  Brodiaea filifolia Robert F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37586 Riverside Santa Rosa Plateau, vernally moist, grassy margin of vernal marsh on Mesa de Colorado, Rancho California. 671 Comment
  RSA745531  Brodiaea santarosae Tom Chester, W. P. Armstrong 2006-6-10 921 Riverside Santa Rosa Plateau Ecological Reserve; Via Volcano Road immediately west of the northernmost of two vernal pools 634 Comment
  UCR43788  Brodiaea santarosae R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60644 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: Mesa de Colorado 625 Comment
  UCR62090  Brodiaea terrestris subsp. kernensis Jack Easton 1990-5-7 s.n. Riverside French Valley near the airport, c. 0.25 mi NE of the intersection of Winchester Rd. and Borell Rd 402 Comment
  UCR243179  Bromus A. C. Sanders 2013-7-6 40854 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at junction with small side road 1905 Comment
  SD247282  Bromus berteroanus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41451 Riverside San Gorgonio Pass: San Gorbonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms (White Water 7.5'Q) 433 Comment
  RSA385314  Bromus carinatus N. C. Cooper 1944-4-8 1052 Riverside Andreas Canyon 305 Comment
  POM112746  Bromus diandrus Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  SD137965  Bromus diandrus Darin L. Banks 1995-4-11 174 Riverside Cleveland N.F.; Agua Tibia Wilderness area; N slope of Agua Tibia Mtn.; E of Dripping Springs Alcove Area along Dripping Springs Trail 950 Comment
  SD232570  Bromus diandrus A. C. Sanders, S. Hawkins, J. Goetzen & D. Freeman 1996-5-1 18110 Riverside San Bernardino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats; 1100 Comment
  SEINET954734  Bromus hordeaceus A. C. Sanders, Tricia Wotipka, Mark A. Elvin 2003-1 26119 Riverside Western San Gariel Mtns.: Cataic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  UCR241217  Bromus hordeaceus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 54 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, east fork of Hathaway Canyon 945 Comment
  NY1088730  Bromus madritensis subsp. rubens D. K. Christopher 2003-4-4 93 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  UCR58480  Bromus tectorum Ed LaRue 1989-5-17 s.n. Riverside San Bernardino Mtns, hills east of Beaumont, along Potrero Creek, one-half mi. east of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  RSA583754  Bromus tectorum Steve Boyd 1995-4-24 8477 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 its junction with the Dripping Springs Trail. 610 Comment
  CLARK-A1528-49  Bromus willdenowii C. M. Flanagan 1973-5-12 OO 413 Riverside Riverside 274 Comment
  SEINET10451867  Caesalpinia virgata Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-12 Dietrich 25 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. Along gravelly wash in creosote bush scrub. 380 Comment
  SDSU13677  Calandrinia ciliata Jutta Buschbom 1991-6-9 48 b Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UCR35005  Calia secundiflora L. B. Ziegler 1976-8-25 552 Riverside San Jacinto Valley, upper part of valley on slopes below the hills on east side 457 Comment
  RSA167551  Calliandra eriophylla R. F. Thorne, Robert L. Rutherford 1964-4-12 33666 Riverside Along Hwy 60, south of Ford Dry Lake, west of Blythe. Comment
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Feb 22 2014
  RSA162810  Calochortus albus J. D. Olmsted 1959-4-30 500 Riverside Beacon Pines Ranch; 9 miles SW of Corona, Santa Ana River Drainage Area. 808 Comment
  UCR201434  Calochortus concolor Scott D. White, Justin M. Wood 2008-6-17 12178 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  CAS-BOT-BC488538  Calochortus concolor B. D. Stark 1932-6-5 3711 Riverside Palms to Pines Road, San Jacinto Mountains 1219 Comment
  JEPS61650  Calochortus invenustus W. L. Jepson 1901-5-27 1462 a Riverside Vandeventer's Ranch San Jacinto Range Comment
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May 26 2014
  CAS-BOT-BC483415  Calochortus invenustus Mary F. Spencer 1919-6-20 1353 Riverside Idyllwild, San Jacinto Mt. 1615 Comment
  CAS-BOT-BC483420  Calochortus invenustus Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  UCR35292  Calochortus palmeri var. munzii L. B. Ziegler 1969-7-1 387 Riverside San Jacinto Mtns, Meadows of May Valley, Upper Herkey Creek 1616 Comment
  UCR30501  Calochortus plummerae John C. Roos, L. Roos 1952-5-30 5733 Riverside One year old burn on hills of North Moreno between Moreno and Redlands. In branch of San Timoteo Canyon. 503 Comment
  RSA297875  Calochortus splendens David M. Hutt 1965-6-23 s.n. Riverside Raised at the Univ. of California Botanical Garden (No. 62.169) from collection by H.M. & R.S. Beard, 11 May 1962 Comment
  RSA524587  Calochortus splendens Steve Boyd, Timothy S. Ross, Laurel Arnseth, J. Bonilla 1990-4-3 4136 Riverside Vail Lake area, SW base of 'Big' Oak Mountain, mouth of Temecula Creek Canyon. 366 Comment
  SD136974  Calochortus splendens Steve Boyd, Tim Ross 1992-5-4 7199 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Oak Flats area east of Verdugo Potrero. 730 Comment
  SEINET10834209  Calochortus splendens David B. Dunn, Melvin L. Conrad; Patricia L. Kenney 1973-6-15 Dunn 20765 Riverside Coll. At the jct. Of hwy. 74 & 71. A gas station on the sw corner. Area Generally chaparal with shaggy adenostema Comment
  POM351400  Calycadenia tenella J. D. Olmsted 1962-5-10 3665 Riverside W of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road 206 Comment
  POM311104  Calycoseris parryi H. K. Sharsmith 1952-4-10 4060 Riverside Smoke Tree Wash, ca 5 mi. NE of Cottonwood Spirngs, Joshua Tree National Monument 854 Comment
  RSA0078688  Calycoseris parryi Jim M. Andre 2015-3-2 31352 Riverside Along Kolbe Rd (dirt), northwest end of Coachella Valley at foot of Little SnBr Mtns, 0.2 mi. west of intersection between Hwy 62 and Indian Avenue (road to Desert Hot Springs), 2.3 mi. south of San Bernardino county line. 528 Comment
  RSA757793  Calycoseris parryi LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4294 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  SEINET3088876 Image available Calyptridium monandrum Don Mitchell 1990-4-30 Riverside W side of Sage Road, 1/2 mi south of intersection with Wilson Valley Road. Sage 7.5 701 Comment
  UCR177410  Calyptridium monandrum Scott D. White 2003-3-23 8837 Riverside Santa Rosa Mountains, Desert slope, Hwy 74 near Carrizo Creek crossing 762 Comment
  UCR84603  Calyptridium monandrum Scott D. White 1994-4-21 1952 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  VVC2881  Calyptridium monandrum Tim Thomas, P. J. MacKay 2010-4-12 5026 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  UC1618032  Calyptridium parryi Donald G. Nelson 1935-5-21 366 Riverside e. lake Hemet (and n. of Mt. Thomas, slopes just n. of meadow in valley just e. of Hurkey Creek Cap <camp ?> area); San Jacinto Mts. Comment
  SBBG37494  Calystegia macrostegia R. N. Muller, S. Lindsey 1967-5-11 Riverside 1.5 mi S on Pigeon Pass Rd from jct with rd to Riverside Co Dump Comment
  RSA0045158  Calystegia macrostegia Andrew Haimov, April Sleigh 1992-5-12 90 Riverside West side of Davis Road, 50 meters north of Allessandro Road, border of San Jacinto Wildlife Area. Comment
  UCR113902  Calystegia macrostegia subsp. arida Mitch Provance 1998-4-13 435 Riverside City of Riverside, Hillside area, near the corner of Adams and Central, along the NE periphery of the Riverside Airport. 244 Comment
  UCR98195  Calystegia macrostegia subsp. intermedia Scott D. White 1997-2-9 4672 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  UCR2851  Calystegia macrostegia subsp. longiloba Vivian Manns 1963-3-22 630322- 5 Riverside San Bernardino Valley Region, Riverside, Box Springs Mountains c. 1 mi E from end of Big Springs Road. 610 Comment
  CSUSB673  Calystegia macrostegia subsp. tenuifolia Frances Miller 1964-5-5 M 6425 Riverside Box Spring Mountains At the base of Box Spring Mountains (the end of), beside the stables. 365 Comment
  UC1184269  Camissonia Peter H. Raven 1958-2-15 11568 Riverside Corn Springs Chuckawalla Mountains Comment
  RSA524436  Camissonia bistorta Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4052 Riverside Vail Lake area, E flank of Big Oak Mtn, S of E summit. 610 Comment
  RSA586915  Camissonia bistorta D. L. Banks, Steve D. Boyd 1995-5-3 251 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
  SEINET7072845  Camissonia bistorta A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. Coordinate datum: WGS84/NAD83. (33? deg. 32' 25" North Latitude, -116? deg. 45' 8" West Longitude, Coordinate datum: NAD27.). Comment
  SEINET7073435  Camissonia bistorta A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  UCR121187  Camissonia bistorta D. E. Bramlet 1997-3-13 2486 Riverside Perris-Aguanga Basin region, Lake Skinner Co. Park, knoll at NE end of the Equestrian Trail, 1,600 ft. (~0.3 mi.) north of Tucalota Creek and 5,400 ft. (~ 1 mi.) east of Lake Skinner. 500 Comment
  UCR41541  Camissonia boothii A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6008 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  RSA0021216  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-3-15 11840 Riverside Colorado Desert, with parents in broad sandy wash, Box Canyon, 4.2 miles E of turn to Painted Canyon. Comment
  RSA466164  Camissonia californica N. C. Cooper 1944-5-6 1210 Riverside Whitewater Canyon. 457 Comment
  RSA466171  Camissonia californica M. B. Dunkle 1932-3-25 2891 Riverside Cabazon. Comment
  RSA543752  Camissonia californica Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6056 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA775496  Camissonia californica Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4414 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  SBBG24967  Camissonia campestris subsp. campestris D. Myrick 1966-4-2 1345 Riverside Palms to Pines Hwy 74, ca. 5 mi W of Palm Desert Comment
  POM13089  Camissonia chamaenerioides E. C. Jaeger 1920-3-1 s.n. Riverside Palm Springs Comment
  SEINET10492062  Camissonia claviformis David B. Dunn 1948-3-13 Dunn 3730 Riverside Found growing in a wash. Indio hills. Colorado desert. Near pushawalla. Comment
  SEINET10492068  Camissonia claviformis Noel H. Holmgren, Patricia K. Holmgren 1974-3-23 Holmgren 7471 Riverside Box canyon wash, 11.4 mi e-ne of mecca. T6s, r10e, sec35. Common to abundant in wash. Petals cream with reddish base. 244 Comment
  POM126250  Camissonia claviformis subsp. aurantiaca Thomas Craig 1927-2-6 37 Riverside Canyon near Hidden Springs, Colorado Desert. Comment
  RSA0014452  Camissonia claviformis subsp. aurantiaca Justin M. Wood, J. Miner 2010-4-29 1525 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  RSA449181  Camissonia claviformis subsp. aurantiaca Carl B. Wolf 1932-4-27 3032 Riverside Palm Springs. 152 Comment
  RSA614564  Camissonia claviformis subsp. claviformis George K. Helmkamp 1988-4-4 3136 Riverside Southern Mojave Desert: junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center-Rice Rd). [UTM 10km cell: 11SPH-4E, 3N. Desert Center] 457 Comment
  UCR17930  Camissonia confusa A. C. Sanders 1976-4-20 00646 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  RSA113258  Camissonia hirtella E. K. Balls 1955-4-4 20429 Riverside Chaparral, Ortega Hwy. 8.3 mi. ne. from Orange-Riverside Co. line, Elsinore overlook. 793 Comment
  UCR115337  Camissonia hirtella A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16247 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR154451  Camissonia hirtella A. C. Sanders, Mike Misenhelter 2005-6-15 30962 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
  RSA449012  Camissonia ignota L. M. Ashley 1943-4-20 20442 Riverside Loma Linda: Hills S of Town. 427 Comment
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Feb 16 2013
  UCR174538  Camissonia ignota Jennifer H. Jones, Janine Amaya and Thi (Teresa) Bui 2006-5-21 312 Riverside Peninsular Ranges: Box Springs Mtns., Box Springs Mountain Reserve. First trail on the left beyond the parking lot along the service road 793 Comment
  UCR20441  Camissonia ignota E. W. Lathrop 1966-3-20 6060 Riverside Santa Ana Mtns., Santa Rosa Plateau, West of Murrieta, 1 mi north of Santa Rosa Ranch 549 Comment
  UCR87983  Camissonia ignota Karin Cleary 1992-4-6 115 Riverside near top of ridge west of California St., [Reinhardt Canyon] Hemet 610 Comment
  SDSU3385  Camissonia micrantha H. Wedberg 1958-4-4 227 Riverside 1.4 miles west of Hwy 60 x Van Buren Ave., on Hwy 60. Cleistogamous. Comment
  UCR116814  Camissonia pallida A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23944 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  RSA718774  Camissonia refracta Michael Honer, L. Hulse 2004-4-4 1927 Riverside SW base of Cottonwood Mtns., near MWD aqueduct, appx. .75 mi. N of I-10. E edge of Pinkham Wash. 488 Comment
  UCR178015  Camissonia strigulosa Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 022 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  SDSU3328  Camissoniopsis bistorta H. Wedberg 1958-3-30 196 Riverside City of Perris At Cajalco Road (Lake Mathew road) roadside, 6.1 mi west of Hwy 395 and 0.2 mi. west of Cajalco Fire Station. 458 Comment
  UC410545  Camissoniopsis bistorta Mrs. E. C. Van Dyke July 1925 Riverside along rd from Idyllwild to desert Comment
  UC76450  Camissoniopsis bistorta Miss M. Alice King March, 1893 Riverside Menifee Comment
  UCSB4380  Camissoniopsis hirtella Kamb, Peter 1947-6-7 Riverside Hall Canyon, San Jacinto Mts 1645 Comment
  SD185271  Camissoniopsis pallida A. C. Sanders, J.. Dice, K. C. Rose, D. Woodard 1995-3-29 16252 Riverside San Jacinto Mountains; Sonoran (Colorado) Desert; San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village (White Water 7.5'Q) 381 Comment
  UC1007220  Camissoniopsis pallida subsp. hallii Philip A. Munz 1940-3-22 15660 Riverside 2 mi n Banning-Indio boulevard; Whitewater Canyon Comment
  UCR268948  Camissoniopsis pallida subsp. pallida Jim Andre 2015-3-2 31356 Riverside Mojave Desert, along Kolbe Road, northwest end of Coachella Valley at foot of Little San Bernardino Mountains, 0.2 mi west of intersection between Hwy 62 and Indian Avenue, road to Desert Hot Springs, 2.3 mi south of San Bernardino Co. line 529 Comment
  SEINET2049005 Image available Carduus pycnocephalus A. C. Sanders, B. Pitzer 1987-4-21 7049 Riverside Box Springs Mountains, Summit of Pigeon Pass Road, Riverside East 7.5' Quad. 579 Comment
  CAS-BOT-BC18450  Carex abrupta H. E. Hasse 1903-6-23 s.n. Riverside San Jacinto Mountains. Round Valley. 2895 Comment
  RSA0042251  Carex alma N. Miles Fellows, Andrew C. Sanders 1985-5-7 168 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mountains, 1 mi. W of Snow Creek Village. 488 Comment
  UC72391  Carex multicostata H. M. Hall 1901-7 2492 Riverside Lake Surprise San Jacinto Mountains 2499 Comment
  UCR26921  Carex occidentalis A. C. Sanders 1980-7-22 1705 Riverside Peninsular Range; San Jacinto Mtns, [Forest Service] Rd. 4S02, c. 2.5 (airline) mi north of Pine Cove and c. 0.25 mi south of Dark Canyon campground 1768 Comment
  POM122859  Carex sartwelliana Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  RSA249848  Carex sartwelliana Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38116 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon 1677 Comment
  RSA682366  Carex sartwelliana Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1700 Riverside Junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  UCR64298  Carex schottii N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 179 B Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  CAS-BOT-BC117446  Carex senta Walter Burchard Welch 1928-5-5 s.n. Riverside Pine Cove Trail, Idyllmild. San Jacinto Mts. Comment
  RSA608702  Carex senta L. C. Wheeler 1961-6-20 7893 Riverside West Fork Tahquitz Creek 2377 Comment
  UCR20513  Carex senta H. A. Zuill 1966-4-1 111 Riverside Peninsular Range, Tenaja Canyon, c. 10 mi WSW of Murrieta Comment
  SEINET7575825  Carex spissa Steven R. Hill, Andrew C. Sanders 2001-1 Riverside Comment
  CAS-BOT-BC115978  Carex subfusca H. E. Hasse 1903-6-30 s.n. Riverside Round Valley, San Jacinto Mts. 2895 Comment
  RSA614159  Carex triquetra Darin L. Banks 1997-2-23 1318 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  SD137989  Carex triquetra Darin L. Banks, Steve Boyd 1995-5-9 374 Riverside Cleveland National Forest, Aqua Tibia Wilderness Area, north face of Aqua Tibia Mountains (Watershed), Dorland Muntain area, west of Dripping Springs Alcove Area, west of Woodchuck Campground. 680 Comment
  UC1563042  Carex triquetra Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3069 Riverside 0.25 mi e Pauba Road (s of Hwy 79); Vail Lake area 426 Comment
  SEINET3074273 Image available Castela emoryi A. C. Sanders, D. Charlton, B. Pitzer 1986-3-1 6041 Riverside Hayfield Lake, NW end of the lake ca. 0.5 miles SW of the pumping station. 410 Comment
  UCR114171  Castela emoryi B. G. Pitzer, J. Ross 1998-3-8 3594 Riverside Sonoran (Colorado) Desert, Hayfield Lake, on the lakebed, SE of pumping station, near center of lake 396 Comment
  RSA496569  Castilleja affinis Bill Wagner 1988-4-5 s.n. Riverside Approx. 1.5 miles NW of the community of Murrieta. South side of I-15 Fwy at the junction of Nutmeg Rd. 381 Comment
  JEPS57286  Castilleja affinis subsp. affinis L. R. Heckard and R. C. Bacigalupi 1968-5-5 1808 Riverside 1.3 mi e Dripping Springs Campground (w of Radec) 457 Comment
  POM12854  Castilleja applegatei subsp. martinii Philip A. Munz 1922-6-26 5834 Riverside Road to Santa Rosa. 1738 Comment
  UCR25604  Castilleja exserta John C. Roos 1952-4-16 5558 Riverside Box Springs Mountains, Pigeon Pass 457 Comment
  UCR96872  Castilleja exserta Scott D. White 1993-3-12 1175 Riverside Near Winchester 466 Comment
  RSA0013616  Castilleja exserta subsp. exserta LeRoy Gross, Duncan S. Bell 2013-4-30 6023 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
  UCR268586  Castilleja foliolosa Jim Andre 2012-6-15 30545 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  UCR193360  Castilleja minor subsp. spiralis A. C. Sanders, Tim Thomas 2008-6-20 35552 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR35230  Castilleja minor subsp. spiralis L. B. Ziegler 1967-8-29 215 Riverside San Jacinto Mtns, Meadow in Hemet Valley 1418 Comment
  POM42518  Castilleja pruinosa Marcus E. Jones 1882-6-29 s.n. Riverside [Unspecified] Comment
  CLARK-A1528-2435  Caucalis microcarpa John C. Roos 1940-4-20 Riverside Reche Canyon Comment
  RSA731014  Caulanthus heterophyllus M. Wall 2008-4-18 459 Riverside San Jacinto Valley, Bautista Canyon SE of Hemet, ca. 5.5 miles SE of Fairview Ave. 746 Comment
  UC1929315  Caulanthus heterophyllus Scott D. White, Justin Wood 2008-4-16 11889 Riverside Perris/Elsinore Basin; Hills to the W of I-215 and S of Scott Rd. Comment
  UCR127574  Caulanthus heterophyllus D. E. Bramlet 2003-4-18 3372 Riverside Base of San Jacinto Mtns., 2,348m south of Cabazon, 2,012m northwest of Cabazon Peak, and 183m northwest of the Colorado River Aqueduct 548 Comment
  UCR279356  Caulanthus lasiophyllus A. C. Sanders, Jim Malusa 2017-3-23 42920 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  CAS-BOT-BC39556  Caulanthus major H. M. Hall 1899-6-1 1252 Riverside San Antonio Mountains. Desert side. 1981 Comment
  SD128305  Ceanothus cordulatus R. Mitchel Beauchamp 1971-5-15 2412 Riverside On slopes, Black Mt. campground, San Jacinto Mountains. 2207 Comment
  CAS-BOT-BC421495  Ceanothus crassifolius L. Nye; G. Gust 2005-3-11 67 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  RSA501020  Ceanothus crassifolius Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-1 3139 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  UC1979529  Ceanothus crassifolius Darin L. Banks, Steve Boyd 1995-3-15 59 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. Comment
  UCD111420  Ceanothus crassifolius Beecher Crampton 1963-5-7 6787 Riverside 2 miles west of El Cariso Guard Station, Cleveland National Forest, Santa Ana Mountains. 701 Comment
  RSA575053  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -a Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  UCR178154  Ceanothus greggii Jeffrey Ross, T. B. Salvato 1998-5-14 MOR- 143 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
  RSA770432  Ceanothus greggii var. perplexans Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4889 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
  UC1073272  Ceanothus greggii var. perplexans George B. Rossbach 1955-4-28 344 Riverside just S of N boundary of San Bernardino National Forest, San Jacinto Mountains, Route 78, SE of Banning Comment
  RSA249853  Ceanothus leucodermis J. P. Simon, C. W. Tilforth 1969-6-24 38125 Riverside San Bernardino National Forest. Above and in James Reserve. 1677 Comment
  RSA68332  Ceanothus leucodermis G. R. Campbell 1951-5-30 16150 Riverside Pine Meadow Ranch, SE of Kenworthy 1433 Comment
  UCR174562  Ceanothus leucodermis Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 343 Riverside Peninsular Ranges; San Jacinto Mtns., just down Mt. Edna Road west off of Calif. Hwy 243 1146 Comment
  RSA0018960  Ceanothus leucodermis N. C. Cooper 1944-6-17 1444 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  RSA3117  Ceanothus oliganthus Carl B. Wolf 1932-2-11 2646 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  CAS-BOT-BC51646  Ceanothus ophiochilus Steve Boyd; Tim Ross 1993-3-28 7913 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 883 Comment
  CAS-BOT-BC51650  Ceanothus ophiochilus Steve Boyd; Tim Ross 1993-3-23 7895 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 670 Comment
  RSA569996  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7911 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. 792 Comment
  RSA606752  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27414 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
  SBBG96783  Ceanothus ophiochilus S. Boyd with T. Ross, L. Arnseth 1989-3-12 2960 Riverside Vail Lake area, 1 mi W of lake; T8S, R1W, SE1/4, SE1/4 S8, SW1/4, SW1/4 S9 609 Comment
  SBBG26782  Ceanothus palmeri C. B. Wolf 1941-8-12 4425 Riverside Keen Camp Summit, between Keen Camp Post Office and Hemet Valley 1493 Comment
  UCR35173  Ceanothus perplexans L. B. Ziegler 1969-4-21 349 Riverside San Jacinto Mtns., Pinyon Flats 1200 Comment
  UCR155337  Ceanothus sorediatus A. C. Sanders, Mike Misenhelter 2005-3-23 29265 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UC1595638  Ceanothus tomentosus Steve Boyd 1991-5-10 6209 Riverside Santa Ana Mountains, base range, just N of mouth of Hagador Canyon at bottom of Skyline Drive 426 Comment
  POM12992  Ceanothus tomentosus subsp. olivaceus P. A. Munz, I. M. Johnston 1922-5-19 5311 Riverside Santa Ana River Canyon. 457 Comment
  UCR174375  Centaurea melitensis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32623 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 591 Comment
  UCR199619  Centaurea melitensis Scott D. White, Angelia Carey 2004-7-2 10552 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  RSA503403  Centaurea melitensis J. D. Olmsted 1962-5-10 3613 Riverside L. Matthews Rd ca. 0.5 mi. W of dam. 427 Comment
  UCR120410  Centaurium venustum Mitch Provance 1998-5-25 875 Riverside Santa Ana River Wash, Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  UCR167838  Centaurium venustum T. B. Salvato, Melissa Clemons 2005-6-2 1357 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  LA203694  Centromadia pungens Elizabeth McClintock; 1938-5-30 sn Riverside San Jacinto Comment
  RSA707581  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 s.n. Riverside Hemet. South of Highway 74, and west of Warren Road. Comment
  SD178173  Cerastium glomeratum A. C. Sanders, G. Helmkamp & P. MacKay 1995-3-12 16035 Riverside Weed: Coachella Valley: Indio, just southwest of the Whitewater River Channel at Auto Center Dr. (Hwy 111). -7 Comment
  RSA583619  Cerastium glomeratum Steve Boyd, Darin Banks 1995-3-30 8413 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  UCR193970  Cercocarpus betuloides A. C. Sanders 2008-7-25 35916 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills Comment
  CAS-BOT-BC135452  Cercocarpus betuloides var. betuloides H. E. McMinn 1925-7-2 1510 Riverside Tahquitz Trail to Tahquitz Pk. - San Jacinto Mts. Comment
  JOTR30646  Cercocarpus betuloides var. betuloides La Doux, Tasha, Erin Babich 2008-4-21 1807 Riverside Joshua Tree National Park. Stop 4-Little San Bernardino Mountains, Upper East Deception Canyon 1233 Comment
  UC1366083  Cercocarpus betuloides var. betuloides Nancy Ryan Zabriskie and Walter Zabriskie 1969-7-5 216 Riverside Idyllwild, Pine Cove, near fier road beyond s end of Marion Ridge Road Pine Cove; Idyllwild, Pine Cove 1828 Comment
  UC1719446  Cercocarpus betuloides var. macrourus D. Atwood 1993-3-26 17683 Riverside Santa Ana Mountains, 4.8 mi S of Lake Elsinore, along Hwy 74 807 Comment
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Nov 20 2007
  RSA552488  Cercocarpus minutiflorus Steve D. Boyd, Tim S. Ross 1992-2-21 6669 Riverside Southern Santa Ana Mountains, San Mateo Cyn Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south 701 Comment
  RSA678925  Cercocarpus minutiflorus Scott D. White, Michael Honer 2003-6-3 9468 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  CAS-BOT-BC276402  Chaenactis carphoclinia Javier Penalosa 1963-4-10 2778 Riverside Deep Canyon, 3 miles S of Palm Desert 213 Comment
  SBBG104630  Chaenactis carphoclinia T. Glenn 1991-4-30 91 -60 Riverside McCoy Mtns, NW of Blythe; T5S, R 20E, S19 170 Comment
  UCR256344  Chaenactis carphoclinia Duncan S. Bell 2011-12-30 3031 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  JOTR30662  Chaenactis carphoclinia var. carphoclinia Andre, Jim, Tasha La Doux 2008-3-21 8839 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 Comment
  POM13051  Chaenactis carphoclinia var. carphoclinia Philip A. Munz, D. D. Keck 1922-4-9 4842 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  UCR1354  Chaenactis carphoclinia var. carphoclinia Frank C. Vasek 1960-3-24 600324- 18 Riverside Western Colorado Desert, Deep Canyon, Palm Desert [Palm Springs Museum's Deep Canyon Sanctuary] Comment
  CAS-BOT-BC276935  Chaenactis fremontii Javier Penalosa 1963-4-10 2777 Riverside Deep Canyon, 3 miles S of Palm Desert 213 Comment
  RSA775095  Chaenactis fremontii Duncan S. Bell, Amber Swanson 2011-2-18 2035 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  UC472223  Chaenactis fremontii E. E. Schellenger 1911-4-25 Riverside Colorado Desert Comment
  UCR242750  Chaenactis fremontii Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia, Lonnie Rodriquez, April Sall, Tracy Tennant. 2010-4-12 4448 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 488 Comment
  UCR86851  Chaenactis fremontii A. C. Sanders 1995-3-29 16273 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  RSA700020  Chaenactis glabriuscula Scott D. White, Michael Honer 2003-4-25 9105 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  UCR133965  Chaenactis glabriuscula Mitch Provance, J. S. Ross 1998-3-27 MOR- 958 Riverside San Bernardino Mtns., Morongo Indian Reservation, road to Lion Cyn., c. 2.1 miles NE of Cabazon 549 Comment
  CAS-BOT-BC277411  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-4-19 1707 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road Comment
  CDA10719  Chaenactis glabriuscula var. glabriuscula T. C. Fuller 1964-4-14 11822 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  POM305652  Chaenactis glabriuscula var. glabriuscula Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1014 Riverside Aguanga. Comment
  RSA628463  Chaenactis glabriuscula var. glabriuscula A. C. Sanders 1994-5-29 14546 Riverside San Bernardino Mountains: Morongo Indian Reservation, among hills on the low pass between Millard Cyn. and Potrero Cr. 750 Comment
  SBBG65580  Chaenactis glabriuscula var. glabriuscula Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Mtns [probably near Idyllwild] Comment
  UCR104177  Chaenactis glabriuscula var. glabriuscula Scott D. White 1997-5-25 5222 Riverside San Jacinto Mtns., Bautista Canyon, along Bautista Canyon Road, c. 1.3 road miles NW of Hixon Trailhead (USFS Road No. 2E43) 762 Comment
  JEPS8821  Chaenactis stevioides Lawrence Saylor 1935-3-25 204 Riverside 5 mi s of Cottonwood Springs Comment
  UC665742  Chaenactis stevioides Ira L. Wiggins 1941-5-27 9683 Riverside 8 mi ne of Desert Center (s end of Coxcomb Mountains); Coxcomb Mountains Comment
  UCR214551  Chaenactis stevioides A. C. Sanders 2010-3-15 37416 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
  SEINET3228135  Chamaesyce micromera G. Rink, T. Thomas and K. Routson 2012-9-2 11658 Riverside McCoy Solar Power Plant (proposed) about 10 miles northwest of Blythe 170 Comment
  RSA747798  Chamaesyce polycarpa Scott D. White, Justin M. Wood 2009-3-24 12578 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  RSA85088  Chamaesyce polycarpa J. C. Roos 1952-4-9 5496 Riverside Scattered along dry sunny roadside with Avena barbata, Muhlenbergia microsperma, etc., southeast face Mt. Rubidoux. 335 Comment
  UCSB23268  Chamaesyce polycarpa Keefe, Joseph 1967-3-23 Riverside Along Whitewater Canyon Road, 1.9 miles north of U.S. Highway 101, east of Banning 609 Comment
  UCSB54160  Chamaesyce polycarpa McKinley, Gale 1985-3-27 Riverside 1/2 mile N of site #9 in Ryan Campground in Joshua Tree National Monument 1280 Comment
  RSA433504A  Chamaesyce polycarpa var. hirtella Ora M. Clark 1929-2-23 1559 Riverside North of Whitewater Comment
  UCR113549  Chamaesyce polycarpa var. hirtella Mitch Provance 1998-6-6 691 Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  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
  RSA645644  Chamaesyce setiloba Scott D. White 1999-4-20 7272 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe. 91 Comment
  IRVC3130  Cheilanthes covillei A. S. Boughey, P. Pembrook 1965-6-15 1045 Riverside Santiago Peak. Santa Ana Mountains 1646 Comment
  POM12432  Cheilanthes covillei F. M. Reed 1917-6-3 3931 Riverside Main Street Canyon , South of Corona Comment
  RSA301975  Cheilanthes covillei J. R. Shevock 1970-12-13 567 Riverside Cap Rock, Joshua Tree 1371 Comment
  RSA85864  Cheilanthes newberryi F. W. Peirson 1922-4-30 2929 Riverside foot of St Johns Grade, south of Hemet Comment
  SEINET3870278  Cheilanthes newberryi A. C. Sanders, G. K. Helmkamp 1997-3-15 19917 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills.; 0 567 Comment
  UCR194819  Cheilanthes newberryi Scott D. White 2006-4-27 11312 Riverside Perris Basin/San Jacinto Mtn Foothills, Santa Rosa Hills, south of Hemet 610 Comment
  CAS-BOT-BC68051  Cheilanthes parryi C. L. Parry; J. G. Lemmon 1876-4-1 s.n. Riverside Colorado Desert side of Mt. San Jacinto Comment
  CAS-BOT-BC168091  Chenopodium A. C. Sanders 2001-11-25 24888 Riverside Moreno Valley, Hope Depot at Pigeon Pass Rd. on north side of Hwy 60 503 Comment
  UCR125294  Chenopodium berlandieri A. C. Sanders 2002-11-21 25627 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy,' mouth of Bixby Canyon 457 Comment
  UCR275354  Chenopodium berlandieri T. B. Salvato, Melissa Clemons 2005-6-9 1497 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  UCR35145  Chenopodium californicum L. B. Ziegler 1968-2-22 265 Riverside San Jacinto Mtns, Foothills of the mtns. At mouth of Avery canyon (Diamond Valley) 488 Comment
  UCR231323X  Chenopodium desiccatum Mitch Provance 2000-7-30 2171 Riverside Jurupa Mountains, NW Jurupa Mtns; SW of the E extreme of Philadelphia St. 305 Comment
  JOTR01007  Chenopodium incanum var. occidentale Cole, James E. 1941-6-17 918 Riverside Joshua Tree National Park. IN LIVE OAK TANK, DRY 1219 Comment
  CDA3072  Chenopodium murale J. T. Howell 1977-3-12 52357 Riverside Box Canyon, Joshua Tree National Monument 0 Comment
  RSA653503  Chenopodium strictum var. glaucophyllum A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23682 Riverside Santa Ana River Valley: SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river., 33 deg 58'30''N, 117 deg 24'10''W 232 Comment
  CLARK-A1656-889  Chilopsis linearis Jim Cornett 1977-6-25 Riverside Desert Hot Springs 411 Comment
  CSUSB733  Chilopsis linearis Lalo Codova 1972-7-25 S. N. Riverside Palm Springs 76 Comment
  RSA722348  Chilopsis linearis J. Russell Bruff 1931-4-25 458 Riverside Whitewater Wash 3 mi. west of Palm Springs. Comment
  SD4856  Chilopsis linearis Fidella G. Woodcock 1928-4-26 Riverside Colorado Desert, Palm Springs Comment
  SEINET10457924  Chilopsis linearis David B. Dunn, A. Folsom 1948-6-17 Dunn 3820 Riverside At camp in Pushawalla canyon under palms. Below quad 6; near the mouth of the canyon. Comment
  UC667347  Chilopsis linearis subsp. arcuata Annie M. Alexander and Louise Kellogg 1941-5-25 2234 Riverside Box Canyon e. of Mecca; Colorado Desert, Box Canyon 243 Comment
  UCR281927  Chilopsis linearis subsp. arcuata A. C. Sanders, Jim Malusa 2017-9-20 43347 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, in canyon 1.5 km west (276 deg. ) of Tabaseca Tank, 6.7 km SE of Salt Creek at mouth of Red Canyon 602 Comment
  JEPS58874  Chimaphila umbellata Carl V. Meyer 1928-6-14 451 Riverside canyon near Saunder's Meadow (San Jacinto Mt.); San Jacinto Mt. 1737 Comment
  POM313180  Chloris virgata Malcolm A. Nobs, S. Galen Smith 1948-9-3 490 Riverside Palm Springs. Comment
  UCR163930  Chorizanthe brevicornu A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29143 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UCR249668  Chorizanthe brevicornu var. brevicornu T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7308 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  UCR217645  Chorizanthe leptotheca Jeff B. Galvin 2010-6-7 130 Riverside San Jacinto Mountains, Bautista Canyon, on slopes east of creek and c. 2.5 km south of forest service boundry 820 Comment
  SD247476  Chorizanthe parryi var. parryi Andy Sanders, J. Schweitzer, K. Young 2015-3-24 41473 Riverside San Gorgonio Pass: north of San Gorgonio River wash, 3.1 miles due east of Cabazon, south of I-10 and 1.1 miles ENE (77 degrees) of water bottling plant, north edge of wind farm. 451 Comment
  UC205932  Chorizanthe parryi var. parryi Gorden Sun 1917-5-25 Riverside Citrus Experimental Station Comment
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Nov 20 2011
  UCR153370  Chorizanthe parryi var. parryi LeRoy Gross, Valerie Soza 2003-5-8 834 Riverside Peninsular Ranges; San Jacinto Mountains region, North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 762 Comment
  UCR266317  Chorizanthe parryi var. parryi D. E. Bramlet 1991-4-30 2090 Riverside Peninsular Range, Shipley Reserve, Crown Valley at NW foot of Black Mtn., transect C-3 732 Comment
  CAS-BOT-BC257187  Chorizanthe polygonoides var. longispina Steve Boyd 1986-4-2 1587 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  SD137671  Chorizanthe procumbens Darin L. Banks, Steve Boyd 1995-5-9 356 Riverside NW Palomar Mountains, north of the Agua Tibia Wilderness Area, north slope of agua Tibia Mountain, the Dorland Mountain Area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground 730 Comment
  JOTR33988  Chorizanthe rigida La Doux, Tasha, M. Harding 2010-4-7 2876 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  HSC85292  Chorizanthe staticoides Steve Boyd 1986-5-1 1812 Riverside Lower S slopes of Bachelor Mtn., E end of Lake Skinner Comment
  OBI11184  Chorizanthe staticoides Dieter H. Wilken 1965-6-29 390 Riverside W end of the Hemet Valley (Garner Valley) near lake Hemet San Jacinto Mts 1372 Comment
  RSA263673  Chorizanthe staticoides E. W. Lathrop 1968-6-2 6955 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA784657  Chorizanthe staticoides Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 64 Riverside South main divide road splitting. Comment
  JOTR30969  Chorizanthe watsonii La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1943 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  UCR84592  Chorizanthe xanti subsp. leucotheca Scott D. White, S. Ogg 1994-4-21 1976 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR279347  Chylismia brevipes A. C. Sanders, Jim Malusa 2017-3-23 42936 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 771 Comment
  SDSU8600  Chylismia brevipes subsp. brevipes Pamela A. Beare 1992-3-13 13 III92D Riverside Just north of Box Canyon Road, approx. 7 miles ca. east of Painted Canyon Road, east of Mecca 280 Comment
  JOTR36456  Chylismia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3426 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; narrow north fork of large canyon w/ cobbley wash and steep rocky walls (Stop 2) 338 Comment
  SBBG119106  Chylismia claviformis W. L. Halvorson 1977-3-8 77 -90 Riverside Joshua Tree Nat Monument, ca. 1 mi S of the S park entrance Comment
  UC217899  Chylismia claviformis subsp. aurantiaca P. A. Munz, D. Keck 1922-4-14 4994 Riverside Indian Wells Colorado Desert 91 Comment
  RSA192008  Cirsium occidentale var. californicum E. W. Lathrop 1959-5-17 4562 Riverside 14 miles west of Murrieta. Comment
  RSA618420  Cirsium occidentale var. californicum D. L. Banks 1997-5-5 1956 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, approximately 60 m east of its intersection with Pechanga Creek 396 Comment
  CAS-BOT-BC280420  Cirsium ochrocentrum John Thomas Howell 1952-10-24 28863 Riverside Bridges Ranch near Beaumont Comment
  POM12039  Cirsium scariosum Mary F. Spencer 1921-6-15 474 Riverside Idyllwild, San Jacinto Mt. 1616 Comment
  RSA438784  Cirsium scariosum Gale Sphon 1955-5-21 s.n. Riverside Hemet Meadow. Comment
  UC1523626  Cirsium vulgare Robert F. Thorne, Steve Boyd, and Earl Lathrop 1985-7-18 61280 Riverside near Murrieta-Guava St. roads (a few mi s of Murrieta); De Luz Arroyo 385 Comment
  RSA12918  Cistanthe monandra C. B. Wolf 1935-4-7 6308 Riverside 2 miles SW of Perris, in the Gavilan region. 427 Comment
  RSA523472  Cistanthe monandra Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-2 4031 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  POM12750  Cistanthe monosperma P. A. Munz 1922-7-6 6003 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  UCR116863  Clarkia purpurea A. C. Sanders, Steven R. Hill 2001-5-4 24128 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR119819  Clarkia purpurea A. C. Sanders, T. B. Salvato 2001-5-3 24088 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR201619  Clarkia purpurea Scott D. White, Justin M. Wood 2008-6-16 12143 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  RSA503426  Clarkia purpurea subsp. quadrivulnera J. D. Olmsted 1962-5-10 3668 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  CAS-BOT-BC165226  Clarkia similis Steve Boyd 1986-4-19 1705 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road Comment
  UCR174965  Claytonia parviflora Teresa Nieto 2005-4-24 22 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  POM11521  Claytonia parviflora subsp. utahensis P. A. Munz 1922-6-30 5909 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  RSA650085  Claytonia perfoliata Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 609 Comment
  UCR138726  Claytonia perfoliata Julie A. Greene 1993-4-10 1128 Riverside San Jacinto Wildlife Area 476 Comment
  UCR166159  Claytonia perfoliata John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  UCR241946  Claytonia perfoliata A. C. Sanders, Timothy W. Chumley 2013-3-28 40705 Riverside Peninsular Range, Alberhill, along Lake St. 1.45 km south of I-15, near old clay mines 393 Comment
  UCR102834  Claytonia perfoliata subsp. mexicana A. C. Sanders 1997-4-3 20163 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  CAS-BOT-BC91329  Clematis lasiantha Carl B. Wolf 1941-8-15 11156 Riverside Santa Ana Mountains, east slope along main divide Motorway between Indian Canyon Summit and Trabuco Peak. 1371 Comment
  UCR82762  Clematis ligusticifolia A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15790 Riverside San Jacinto Mtns., N slope of mountains, nameless tributary of Azalea Creek, Twin Pines Creek drainage 1192 Comment
  RSA519251  Clematis pauciflora 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
  RSA586040  Clematis pauciflora D. L. Banks, S. D. Boyd 1995-3-16 93 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, Arroyo Seco drainage. 512 Comment
  SBBG112483  Clematis pauciflora C. Bornstein 1994-5-1 Riverside Barker Dam; Joshua Tree Nat Monument 1280 Comment
  POM230623  Cleome isomeris I. W. Clokey 1935-4-17 6641 Riverside Cottonwood Springs. Comment
  UCR244399  Coleogyne ramosissima Jim Andre 2012-4-16 20980 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  POM229458  Collinsia concolor Philip A. Munz 1937-5-30 15090 Riverside sandy area north of Vandeventer Flat, Santa Rosa Mts. 1677 Comment
  UCR107386  Collinsia concolor B. G. Pitzer 1997-3-23 2962 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  POM147901  Collinsia heterophylla J. B. Feudge 1927-5-18 1602 Riverside West of Moreno Grade, near Moreno. 671 Comment
  SEINET10305082 Image available Collinsia heterophylla var. austromontana Norman C. Cooper 1944-6-16 1429 Riverside Peninsular Range; San Jacinto Mountains; Pine Cove 1524 Comment
  SBBG29244  Condea emoryi K. K. Muller 1967-9-14 1418 Riverside 5 mi E of Indio Comment
  CAS-BOT-BC216025  Convolvulus Steve Boyd 1986-5-1 1810 Riverside Lower south slopes of Bachelor Mtn., east end of Lake Skinner, Bachelor Mtn. Comment
  UCR90369  Conyza bonariensis Scott D. White 1995-6-30 3426 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  UC219572  Corallorhiza maculata P. A. Munz 1922-6-28 5865 Riverside Santa Rosa Santa Rosa Mts. (along creek) 2133 Comment
  RSA0103097  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8543 Riverside Santa Rosa Mountains; along the Cactus Spring Trail, just above Horsethief Creek. 1064 Comment
  RSA356626  Cordylanthus rigidus subsp. setiger Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 47321 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  POM4863  Coreopsis californica P. A. Munz 1918-4-27 2148 Riverside Near Corona. Comment
  SEINET807422  Coreopsis californica Norman C. Cooper 1944-1 1024 Riverside Cabazon 457 Comment
  UCR102755  Coreopsis californica B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3577 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
  SD229082  Corethrogyne filaginifolia Dick Schwenkmeyer 2011-8-25 656 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  SBBG56001  Cornus nuttallii F. C. Vasek 1964-7-25 640725 -18 Riverside Dark Cyn near Wet Cyn Cmpgrd Comment
Read comments
May 19 2012
  UCR90792  Coronopus didymus A. C. Sanders, G. K. Helmkamp 1996-3-17 17975 Riverside Coachella Valley, North Palm Springs (Garnet) I-10 at Indian Ave., north of Garnet Ave. 244 Comment
  CLARK-A1528-5630  Cotula australis John C. Roos 1965-12-20 Riverside Riverside 243 Comment
  UCR234433  Cotula coronopifolia Jeremiah George 2012-3-4 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  SBBG104032  Crassula aquatica A. C. Sanders 1993-4-1 13666 Riverside western edge of Hemet, NE corner of intersection of Myers St. and Devonshire Ave, 0.75 mi NE of intersection of Florida Ave (St Hwy 74) and Warren Rd Just S of Tres Cerritos; T5S, R1W, SW/4 of NE/4, S7 460 Comment
  SDSU16682  Crassula connata Francis H. Bozzolo 2006-4-16 8 Riverside Santa Margarita Ecological Reserve, northern end, ca. 0.1 miles south of North gate on Via Tornado road. SE side of dirt road ca. 1m from road edge. 360 Comment
  UCR167846  Crassula connata T. B. Salvato, Melissa Clemons 2005-6-2 1349 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCR22072  Crassula connata Steve Boyd 1980-4-27 133 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 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
  CAS-BOT-BC226243  Crassula tillaea A. C. Sanders 2011-4-7 39026 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  UCR114190  Cressa truxillensis A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23637 Riverside Perris-Aguanga Basin Region, French Valley, gasline right of way just south of Los Alamos/Thompson Rd. on the east side of Briggs Rd., c. 0.5 km NE of Adobe Spring 409 Comment
  SBBG118801  Crocanthemum scoparium S. D. White 1999-11-12 7629 Riverside Murrietta area, corner of Nutmeg and Clinton Keith; T7S R3W S4 410 Comment
  JOTR37743  Crossosoma bigelovii Hodges, Stephen, Aliya Ingersoll 2016-2-24 657 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Upper Long Canyon Comment
  UCD102967  Crossosoma bigelovii Rolf Y. Berg 1964-1-2 6207 Riverside Morongo Canyon. Comment
  POM87335  Croton californicus Marcus E. Jones 1903-5-11 A.M. Riverside Banning. 701 Comment
  RSA314443  Croton californicus R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55430 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA33476  Croton californicus N. C. Cooper 1944-4-21 1141 Riverside Banning 701 Comment
  SEINET7863222 Image available Croton californicus J. Andre, G. L. Clifton 2011-2-22 17471 Riverside Coachella Valley; just south of Hwy I-10 at Amtrak train station parking , just west of N. Indian Cyn Drive. 7.5' Quad: Desert Hot Springs. 186 Comment
  UC868668  Croton californicus I. W. Clokey 1935-4-16 6726 Riverside e Mecca (along road) 200 Comment
  UCR116007  Croton californicus A. C. Sanders, D. Bramlet, E. J. Lawlor, C. L. Sanders 2000-1-16 23304 Riverside Shipley-Skinner Reserve, Tucalota Creek at horse trail crossing east of Lake Skinner 457 Comment
  UCR213541  Croton californicus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37826 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near tower, 1.23 mi. NNW (348 deg. ) of intersection of I-15 and Lake St. 537 Comment
  RSA21762  Cryptantha angustifolia C. B. Wolf 1937-4-6 8434 Riverside Coachella Valley, 3 miles N of Indio. 0 Comment
  RSA48332  Cryptantha angustifolia E. K. Balls 1949-4-4 12968 Riverside between Durmid and Salton on Highway 111, Colorado Desert. 0 Comment
  SEINET235768  Cryptantha angustifolia Scott D. White 1998-2-9 6082 Riverside Coachella Valley La Quinta/Palm Desert Area: Whitewater River Channel at and near Miles Ave. crossing. 30 Comment
  UC857065  Cryptantha angustifolia Alice Eastwood 1913-4-30 Riverside Palm Springs Comment
  UCR214415  Cryptantha angustifolia A. C. Sanders, Richard Dwerlkotte 2010-3-22 37503 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  UCR216224  Cryptantha angustifolia Jim Andre, T. La Doux 2009-2-25 10820 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  SEINET12280708  Cryptantha angustifolia E. A. Purer 1935-1 6457 Riverside near Palm Springs Comment
  HSC78877  Cryptantha barbigera R. F. Thorne, Drs. Fosberg, Sachet, Herbst 1983-4-23 55418 Riverside Mouth of Whitewater Canyon, E of Whitewater Post Office at S end of ridge, in sandy wash E of bridge, and on base of W-facing slope of ridge 412 Comment
  RSA0106707  Cryptantha barbigera Duncan S. Bell, Amanda Turek 2010-4-9 757 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 439 Comment
  RSA678229  Cryptantha barbigera Valerie Soza, J. M. Porter, Gary D. Wallace 2001-4-2 1098 Riverside Mouth of West Wide Canyon, NNW of junction of Dillon Road and Ford Avenue. 396 Comment
  RSA782079  Cryptantha barbigera Duncan S. Bell 2009-3-9 118 Riverside Arica Mountains: east side of mountain range, west side of Rice Valley approximately 2.7 air miles northeast of Priest Well or approximately 3.3 air miles southeast of the ghost town of Rice. 244 Comment
  SD127607  Cryptantha barbigera David Charlton 1988-2-18 1133 Riverside South side of Little San Bernardino Mountains, Fargo Canyon Road to Cottonwood Wash, 1 mile east of junction Dillon Road and Fargo Canyon Rd 609 Comment
  UCR213399  Cryptantha barbigera A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37462 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCR85255  Cryptantha barbigera A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16185 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  SDSU20613  Cryptantha barbigera var. fergusoniae Ronald B. Kelley 2008-3-8 1484 Riverside East of SR 62, southwest corner of Worsley and Painted Hills Road (aka Pierson Road). Lower Big Morongo Canyon, on roadside of Worsley Road. 384 Comment
  UCR120565  Cryptantha barbigera var. fergusoniae Helen Kennedy, T. B. Salvato 2002-2-2 5447 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  UCR177938  Cryptantha clevelandii Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 527 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UCR180140  Cryptantha corollata Mitch Provance 2003-4-26 9902 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  OBI45217  Cryptantha intermedia D. Hawkes 1987-5-16 s.n. Riverside S of Anza, Terwilliger Valley, Terwilliger Rd, 0.9 mi S of intersection with Wellman rd 1189 Comment
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Dec 4 2014
  RSA488928  Cryptantha intermedia D. C. Hawks 1988-4-2 s.n. Riverside Tule Creek drainage, 1.75mile airline NE of Aguanga, SE of intersection of Dove and Sycamore Streets, S of Hwy 371. 762 Comment
  RSA771783  Cryptantha intermedia Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4958 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SBBG53358  Cryptantha intermedia J. Zabriskie 1975-3-26 Riverside Boyd Deep Cyn Research Center Comment
  SDSU5408  Cryptantha intermedia S. J. Barnhart 1966-4-17 660417 -9 Riverside 0.1 mi. east of McAllister St. along the Metropolitan Water Co. Utility Rd (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
  UCR42444  Cryptantha intermedia 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
  UCR47672  Cryptantha intermedia F. R. Fosberg 1932-5-9 10641 Riverside Sage 770 Comment
  UCR94245  Cryptantha intermedia Scott D. White 1996-4-14 3926 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  UC1063826  Cryptantha maritima H. S. Yates 1937-3-24 6460 Riverside Deep Canyon Thermal Quad. 609 Comment
  UCR52018  Cryptantha maritima var. pilosa Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2179 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UC24836  Cryptantha micrantha Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains Comment
  RSA499653  Cryptantha micrantha var. lepida Ora M. Clark 1929-4-7 s.n. Riverside South of Aguanga Comment
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Nov 9 2011
  UCR110966  Cryptantha micrantha var. lepida George K. Helmkamp 1998-6-27 4096 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
  SDSU21766  Cryptantha micrantha var. micrantha R. F. Thorne 1995-3-29 63025 Riverside Transverse Ranges; San Bernardino Mountains region: White Water Canyon. 600 Comment
  RSA583722  Cryptantha microstachys Steve Boyd 1995-4-24 8474 A 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 its junction with the Dripping Springs Trail. 610 Comment
  UCR260603  Cryptantha microstachys A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41541 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns., Temescal Canyon, south side of Indian Truck Trail along Temescal Canyon Road 349 Comment
  UC64399  Cryptantha muricata H. M. Hall Jun 1901 2052 Riverside vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  UCR111557  Cryptantha muricata Mitch Provance 1999-5-4 1705 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR241240  Cryptantha muricata Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 504 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  JEPS67814  Cryptantha racemosa W. L. Jepson 1927-4-12 11675 Riverside Painted Canyon Colorado Desert, Mecca Hills 76 Comment
  POM98012  Cryptantha racemosa E. C. Jaeger 1926-3-26 s.n. Riverside Eagle Mts, Eastern 884 Comment
  UC1929481  Cryptantha simulans Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1704 Riverside Peninsular Ranges; San Jacinto Mountains region; Slope above junction of Dark Canyon and Fuller Mill Creek. Comment
  UCR117667  Cryptantha simulans T. Schram, D. Wappler 1994-7-14 s.n. Riverside San Jacinto Mtns., Lake Hemet. Comment
  JOTR35502  Cryptantha utahensis La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3190 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  CLARK-A1528-428  Cucurbita palmata Charlotte Stocks 1964-9-1 Riverside Coachella Valley Comment
  UCR178318  Cucurbita palmata T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 621 .3 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  UCR260537  Cucurbita palmata T. B. Salvato, Matt Malle, Thomas M. Sullivan Jr 2014-5-30 8057 Riverside Perris-Aguanga Basin, Wildomar, c. 2 mi east of Lake Elsinore, west side of Mission Trail, north of Victorian Lane 387 Comment
  CAS-BOT-BC224549  Cuscuta californica David B. Dunn 1946-3-15 2016 Riverside In vicinity of Pushawalla Canyon, Indio Hills Comment
  RSA70996  Cuscuta californica F. W. Peirson 1914-04 898 Riverside Whitewater at head of Coachella Valley. Comment
  SD119910  Cuscuta californica var. papillosa Louis B. Ziegler 1972-6-10 479 Riverside Hills on south side of San Jacinto Valley (west of Ramona Bowl) 490 Comment
  CLARK-A1703-58  Cuscuta subinclusa H. A. Zuill 1966-7-4 276 Riverside Murrieta Comment
  RSA735178  Cuscuta subinclusa Scott D. White, Justin M. Wood 2005-9-27 11232 Riverside San Gorgonio Pass: Cabazon: Alluvial benches and braided dry channels south of Interstate 5 [I-10] and west of San Gorgonio River. 579 Comment
  SBBG30056  Cuscuta subinclusa L. C. Wheeler 1933-12-1 2284 Riverside San Gorgonio wash at Southern Pacific Railroad, San Gorgonio Pass 640 Comment
  SD181582  Cuscuta subinclusa Scott D. White 1998-10-13 7182 Riverside Corona, near Bedford Cyn, dissected alluvial slope, foothills at eastern slope of Santa Ana Mtns, 'Joseph Canyon' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. USGS 7.5' corona South quad. 334 Comment
  UCR93074  Cycloloma atriplicifolium A. C. Sanders, S. Ogg 1994-7-28 15171 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  RSA0077467  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17728 Riverside Chuckwalla Mountains, Corn Springs Wash, 4km west of Aztec Well. 727 Comment
  RSA0034402  Cylindropuntia chuckwallensis Michelle Cloud-Hughes 2013-3-17 087 Riverside Corn Springs, north side of Chuckwalla Mountains, 12 km SSE of Desert Center, 85km east of Indio, 67km west Blythe. 500 Comment
  RSA0080817  Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2013-3-20 17721 .1 Riverside Cottonwood Mountains, Joshua Tree National Park, north side of Cottonwood Canyon, 200m west of Wood Spring, 450m SW of Cottonwood Spring, 38km NE of Indio. 895 Comment
  SEINET9037738 Image available Cylindropuntia echinocarpa M. A. Baker 2015-1 18325 Riverside San Gorgonio Pass, south base of the San Bernardino Mountains, 24km NW of central Palm Springs, 3km ENE of Cabazon, heavily-grazed bowl among hills 559 Comment
  CLARK-A1528-1430  Cymopterus panamintensis var. acutifolius John C. Roos 1947-2-15 3243 Riverside Eagle Mountains Comment
  RSA544301  Cynara cardunculus Steve Boyd 1991-7-13 6406 Riverside Peninsular Range Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road. Comment
  CLARK-A1656-743  Cynodon dactylon Theo Glenn 1979-2-10 Riverside Salton Sea Comment
  RSA771109  Cynodon dactylon Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4729 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 W116.65122 604 Comment
  RSA595330  Cynodon dactylon D. L. Banks, Victor Steinmann 1996-4-20 878 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along a circular drive that runs along the W end of the compound. 567 Comment
  SD144143  Cyperus difformis A. C. Sanders 1994-7-26 15150 Riverside Santa Ana River at the Mission Blvd. at 7th Street bidge; west foot of Mount Rubidoux; disturbed riparian zone in sandy riverbottom; uncommon annual in wet sand, mostly shallow water along the river. 239 Comment
  RSA522098  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3791 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UCR65280  Cyperus erythrorhizos Steve Boyd, T. S. Ross 1989-8-28 3801 Riverside Peninsular Range, Vail Lake area, Temecula Creek at confluence w/ the lake & adjacent sedimentary hills to the east. 488 Comment
  UCR92359  Cyperus esculentus Scott D. White, S. Ogg 1994-10-17 2469 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  UCR85376  Cyperus niger A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11745 Riverside Santa Ana River Valley, Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake Comment
  RSA289840  Cyperus odoratus B. A. Prigge 1980-9-17 4074 Riverside Coachella Valley Stormwater Channel: 1.5 miles N of Coachella where Dillon Road crosses channel. -12 Comment
  RSA575929  Cyperus odoratus Steve Boyd 1994-9-29 8369 Riverside Lake Elsinore, floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  UCR92398  Cyperus parishii F. M. Reed 1907-9-15 1936 Riverside Riverside, Santa Ana River at Chinatown ford 244 Comment
  CSUSB1205  Dalea californica Patricia Healy 1968-5-4 Riverside Whitewater Canyon in a riparian wash 1.5 miles from highway 60. Comment
  CAS-BOT-BC158110  Dalea emoryi W. R. O. 0417 Riverside Roadside near buried Colorado Aqueduct ~ 2 mi. from Hwy Comment
  POM66989  Dalea mollis Marcus E. Jones 1924-2-27 s.n Riverside Desert Center. Chuckwalla Valley. Comment
  SEINET2066052 Image available Dalea mollis Dave Silverman, Cindy Hopkins 2005-3-22 5755 Riverside NE Riverside Co., transition between Ward and Rice Valleys, south of Danby Lake, S of HWY 62, along Colorado River Aqueduct (East of Granite Pass 7.5Q). 277 Comment
  SEINET10970016  Dalea mollis David B. Dunn 1948-3-14 Dunn 3771 Riverside Only one. Found in flat open sands near hidden springs ranch 5 mi s of the indio Hills in the colorado desert. Comment
  POM114602  Dasyochloa pulchella Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  POM47203  Dasyochloa pulchella Mary F. Spencer 1920-4-1 1556 Riverside In desert sand, Colorado Desert 122 Comment
  RSA787122  Datisca glomerata R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49547 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  UCR167369  Datura discolor John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR242716  Datura discolor A. C. Sanders, T. B. Salvato 2012-10-12 40433 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  UCR115998  Datura wrightii A. C. Sanders, Pam MacKay, E. J. Lawlor, C. L. Sanders 2000-3-19 23316 Riverside Shipley-Skinner Reserve area, Diamond Valley, off old Rawson Rd. north of Crown Valley, on future bed of Diamond Val. Reservoir, now filling 488 Comment
  CLARK-A1528-139  Daucus pusillus 1969-5-14 Riverside Box Springs Mountains 396 Comment
  RSA500208  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3535 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA666895  Daucus pusillus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24197 Riverside S. of Hemet, E end of Diamond Valley, ca 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  HSC87025  Deinandra kelloggii L. F. LaPre 1988-6-3 Riverside Indian Trails project site, Indian Truck Trail exit on W side of Hwy. 15 in Temescal Canyon, 1/4 mi. from the freeway Comment
  UCSB27090  Deinandra kelloggii Wilken, Dieter 1970-6-5 Riverside 3.2 miles east of Aguanga on road between Aguanga and Paradise Valley Comment
  CHSC110010  Deinandra mohavensis V. Soza; Steve Boyd, Neil Gilbert 2000-12-6 1067 b Riverside Peninsular Ranges, San Jacinto Mountains region: McCall Memorial Park Campground. 1311 Comment
  UCR252706  Deinandra mohavensis R. E. Riefner Jr. 2014-6-24 14- 194 Riverside Perris-Aguanga Basin, city of Hemet, Santa Rosa Hills, Simpson Park, south c. 0.15 mi from Rawlings Road and Margret Lane 740 Comment
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Feb 4 2015
  CAS-BOT-BC131037  Deinandra paniculata Palmer Stockwell 1934-5-11 s.n. Riverside 5 mi. south of Perris Comment
  CAS-BOT-BC523916  Deinandra paniculata R. E. Riefner, Jr. 2014-8-27 14 -304 Riverside City of Riverside, Moreno Valley,Box Springs Blvd., at Sycamore Canyon Blvd., W of 215-Freeway 483 Comment
  CAS-BOT-BC9089  Delphinium cardinale Percy C. Everett 1935-6-17 7170 Riverside Temescal Canyon, between Corona-Elsinore Highway and Glen Ivy Resort 365 Comment
  UCR16749  Delphinium parishii M. Quinlan 1974-4-18 s.n. Riverside Western Colorado Desert/ San Jacinto Mtns, Agua Caliente Indian Reservation, c. 4 mi. outside Palm Springs, in Andreas Canyon 305 Comment
  RSA771032  Delphinium parishii subsp. parishii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4539 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCSB1982  Delphinium parishii subsp. parishii Sager, Ginny 1960-4-1 Riverside White Water Canyon Comment
  RSA0018984  Delphinium parishii subsp. parishii Mary F. Spencer 1920-3-27 1475 Riverside Near Palm Springs. Colorado Desert. 152 Comment
  LA207621  Delphinium parishii subsp. subglobosum K. Watkins; E. McClintock 1937-4-10 sn Riverside Palms to Pines Highway, 2 mi. above valley Comment
  RSA525454  Delphinium parryi D. Bramlet 1990-4-29 4499 Riverside Lake Skinner County Park, SE base of Bachelor Mtn. Comment
  UC64117  Delphinium parryi H. M. Hall June 1901 2013 Riverside canyon of the San Jacinto River San Jacinto Mountains 762 Comment
  UCR256770  Delphinium parryi T. B. Salvato, Matthew Malle 2013-4-15 7543 Riverside Gavilan Hills, dirt SCE powerline access road east of Lake Street and northwest of Hilltop Drive. 0.83 mi north-northeast of the junction of Lake Street and Hwy I-15 478 Comment
  UCR89801  Delphinium parryi Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3343 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
  RSA400030  Delphinium patens subsp. hepaticoideum J. C. Marvin 1921-4-1 s.n. Riverside Near Banning. Comment
  RSA262099  Dendromecon rigida subsp. rigida E. W. Lathrop 1971-3-24 7468 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA563879  Deschampsia danthonioides A. C. Sanders 1993-5-12 13998 Riverside Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Road, between the New San Diego Aqueduct and Warren. 457 Comment
  UCR75544  Deschampsia danthonioides A. C. Sanders 1993-5-12 14017 Riverside Hemet, W side of Warren Road, 1/2 mi south of Florida Ave (Hwy 74), b/w the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Rd 457 Comment
  POM369561  Descurainia obtusa subsp. adenophora Lester H. Cushman 18058 Riverside Idyllwild Comment
  UCR85163  Descurainia pinnata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16082 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  JOTR37758  Descurainia pinnata subsp. glabra Hodges, Stephen R. 2016-2-29 714 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  CLARK-A1656-885  Dicentra chrysantha Theo Glenn 1979-5-23 Riverside Snow Creek Comment
  JEPS9739  Dicentra chrysantha Marjorie D. Clary 1932-7-4 1214 Riverside Aguanga Valley 609 Comment
  HSC84223  Dichelostemma capitatum subsp. capitatum Cindy Coutts 1987-5-2 29 Riverside Bee Canyon Rd. in San Jacinto Mtns., 0.9 mi. above Hwy. 74 762 Comment
  RSA757747  Dichelostemma capitatum subsp. capitatum LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4347 Riverside Whitewater Canyon Bioblitz:, From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  SEINET232554  Dichelostemma capitatum subsp. capitatum Sharon K. DuBois 1987-5-10 Riverside San Jacinto Mountians 1 mi up Bee Canyon off of Hwy 74 457 Comment
  UCR16307  Dichelostemma capitatum subsp. capitatum B. A. Beebe 1970-4-11 15 Riverside Peninsular Range; San Jacinto Mtns,, north bank of the San Jacinto River, c. 1 mi upstream from its junction with the North Fork 854 Comment
  CSUSB27  Dichelostemma pulchellum J. R. Sweeten 1965-4-21 Riverside About 1 mile southwest of Lake Matthews Dam; near roadside on steep slope; Riverside. Comment
  RSA501037  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3158 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  CAS-BOT-BC292185  Dicoria canescens Marcus E. Jones 1927-10-3 s.n. Riverside Indio Comment
  CLARK-A1528-1797  Dicoria canescens John C. Roos 1948-10-15 Riverside Whitewater Comment
  LA102182  Digitaria ischaemum John C. Roos; 1965-9-28 sn Riverside San Jacinto 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
  UCR2641  Digitaria sanguinalis F. M. Reed 1904-8-23 644 Riverside South Coast; San Bernardino Valley, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  RSA773123  Dimorphotheca sinuata Duncan S. Bell, Ryan Parker 2010-6-1 1234 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.1 air mile southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 779 Comment
  SD139997  Diplacus aurantiacus Scott White 1993-3-15 1188 Riverside Elsinore; Highway 74, just west of NW corner of Lake Elsinore Comment
  SBBG92205  Diplacus bigelovii var. bigelovii D. F. Howe 1980-4-16 Riverside 4 mi S of Interstate 10 on Cornsprings Rd, Chuckwalla Mtns 335 Comment
  CAS-BOT-BC152919  Diplacus brevipes Mrs. E. C. Van Dyke 1928-7-1 s.n. Riverside Along road from Idyllwild to desert Comment
  CAS-BOT-BC150682  Diplacus longiflorus H. M. Hall 1901-6-1 2077 Riverside In the vicinity of Chalk Hill 1402 Comment
  RSA0018425  Diplacus longiflorus var. calycinus Carl B. Wolf 1931-5-11 1960 Riverside Near Pipe Creek, above Hemet Valley. 1677 Comment
  PASA103  Diplacus puniceus Margaret Stason 1931-3-30 Riverside Near Pala Comment
  RSA0019301  Diplacus puniceus Scott D. White, Michael Honer 2004-4-6 10043 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  CHSC110028  Ditaxis lanceolata Steve Boyd; Tammy Morgan, Aydee Virgen, Sarah DeGroot, 2004-5-14 11225 Riverside Colardo Desert; Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  HSC66632  Ditaxis lanceolata Christopher Davidson 1979-4-4 7736 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  SFV6324  Ditaxis lanceolata T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 43 Riverside 5 miles north of Highway 111 on Highway 74. Growing adjacent to roadside. 100 Comment
  UCR114113  Ditaxis lanceolata B. G. Pitzer, J. Ross 1998-3-8 3609 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR41800  Ditaxis lanceolata A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6026 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  JEPS24422  Ditaxis neomexicana Peter M. Ray 1949-3-12 1359 Riverside North side of Coachella Valley; 2 miles west of Whitewater 457 Comment
  JOTR29580  Ditaxis neomexicana Andre, Jim 2006-4-6 6693 Riverside Joshua Tree National Park. Wilson Canyon, along Pinto Basin Rd 865 Comment
  UCR58871  Ditaxis neomexicana J. M. Stewart 1989-10-16 609 Riverside Sonoran (Colorado) Desert, along Hwy 95, 5.6 mi. south of Vidal Comment
  CHSC35475  Dithyrea californica James Henrickson 1973-3-18 8619 Riverside Ca 37 (air) miles E of Temecula, 9 miles SE of Terwilliger, 3 miles N of San Diego Co. 731 Comment
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Jun 23 2013
  RSA697423  Dithyrea californica J. R. Bruff 1927-3-12 2 -R Riverside Fingal Comment
  SEINET3105562  Dithyrea californica Faulkner 1978-3-20 331 Riverside Near Big Maria Mountains, 1 mile west of Colorado River. 152 Comment
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Sep 9 2013
  UC186810  Dithyrea californica S. B. and W. F. Parish April 1882 15 Riverside Whitewater, borders of the Colorado Desert Colorado Desert Comment
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Jul 15 2009
  UC22357  Dodecatheon alpinum H. M. Hall 1897-8-11 801 Riverside Tahquitz Valley, San Jacinto Mts. 2438 Comment
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Jun 8 2012
  UC10478  Draba cuneifolia W. G. Wright 1890-1 1757 Riverside Colorado Desert Comment
  RSA650388  Drymocallis glandulosa Marion P. Harthill 1976-5-6 s.n. Riverside Rancho California. 610 Comment
  POM12104  Drymocallis glandulosa var. reflexa Mary F. Spencer 1921-6-10 1861 Riverside Idyllwild. 1616 Comment
  RSA0018442  Drymocallis lactea var. lactea J. D. Olmsted 1959-7-1 714 Riverside Wellman's Cienega between saddle and San Jacinto Peak along trail near stream crossing; 4.5 mi. NE of Idyllwild. San Jacinto Mountains, Willow-Tahquitz drainage area. 2805 Comment
  RSA621448  Dryopteris arguta Darin L. Banks 1997-11-15 2190 Riverside North face of Dorland Mountain, east of the Dorland Mountain Arts Colony 537 Comment
  SEINET9625425 Image available Dryopteris arguta M. D. Windham 1985-7-10 716 Riverside In the San Jacinto Mts. ca. 3.70 km NNE of the summit of Rouse Hill. San Bernardino N.F. Blackburn Canyon Quad (7 1/2 min.). T5S, R2E, Sec. 27. 975 Comment
  UCR270407  Dudleya abramsii subsp. abramsii John F. Emmel 2000-7-4 1664 Riverside Santa Rosa Mountains, Santa Rosa Mountain Road, on ridge top 0.3-0.4 air mile south and 0.9-1.0 air mile west of peak of Santa Rosa Mountain 2171 Comment
  RSA645935  Dudleya lanceolata Scott D. White 1999-6-8 7451 Riverside Corona, near Bedford Canyon: foothills at eastern slope of Santa Ana Mts. ''Joseph Canyon'' wash near a disused quarry. 335 Comment
  RSA397830  Dudleya saxosa G. D. Wallace 1964-4-26 s.n. Riverside Hwy 111 past Pinyon Flats. Comment
  RSA356486  Dyssodia cooperi Jack Rempel, Ervin H. Miller 1934-4-28 18730 Riverside From Lost Horse to Pleasant Valley. 1220 Comment
  UCR187319  Dyssodia porophylloides Michael Honer, L. Hulse 2004-4-2 1877 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains. Blind Canyon, c. 0.5 mi north of Desert Hot Springs 488 Comment
  SBBG94680  Echinochloa colona S. D. White 1990-9-25 Riverside Santa Rosa Plateau, ca. 5 airline mi SW of Temecula; T8S, R 3W on line between S 22 and 27 374 Comment
  UCR7730  Echinochloa crus-galli Frank C. Vasek 1967-10-8 s.n. Riverside Riverside, residence of Dr. F.C. Vasek, Sandalwood Ct. 335 Comment
  UCR82218  Echinochloa crus-galli J. M. Stewart 1994-5-2 846 Riverside Sonoran (Colorado) Desert, Thermal. Fillmore St and Avenue 64 Comment
  UCR92277  Echinochloa crus-galli Scott D. White, S. Ogg 1994-10-17 2498 Riverside City of Temecula, Murrieta Creek channel at confluence with Santa Gertrudis Creek 320 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
  RSA564498  Eleocharis geniculata A. C. Sanders, O. F. Clarke, CNPS field trip 1991-10-5 11744 Riverside Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake. Comment
  JOTR38423  Eleocharis macrostachya Hodges, Stephen, A. Ingersoll 2015-8-26 652 Riverside Joshua Tree National Park. Queen Mountains, Wonderland of Rocks, Barker Dam. Comment
  CAS-BOT-BC113328  Eleocharis montevidensis Peter H. Raven; Sidney R. Snow 1956-6-30 9537 Riverside In a dry creek bed, Dripping Springs Guard Station, Temecula River. Comment
  RSA544414  Eleocharis palustris Steve Boyd, Timothy S. Ross 1991-6-14 6382 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Road S to confluence with Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  UC839370  Eleocharis parishii I. W. Clokey, E. G. Anderson 1935-8-21 6564 Riverside Hemet Lake 1320 Comment
  UCR195142  Elymus A. C. Sanders, Tim Thomas 2008-8-1 35940 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  UCR2355  Elymus condensatus H. S. Fawcett 1914-8-21 1589 Riverside San Bernardino Valley/Upper Santa Ana River region, Temescal Canyon, near the road 381 Comment
  RSA33603  Elymus elymoides N. C. Cooper 1944-5-20 1261 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  UCD61905  Elymus glaucus A. A. Beetle 1946-6-10 4389 Riverside San Jacinto Mt., San Jacinto Mts. 762 Comment
  CAS-BOT-BC203632  Elymus glaucus subsp. glaucus Mary F. Spencer 1919-6-27 1231 Riverside Idyllwild, San Jacinto Mts. 1615 Comment
  CAS-BOT-BC234141  Elymus multisetus H. M. Hall 1901-6-1 2037 Riverside South side San Jacinto Mountains 1371 Comment
  SD234759  Elymus stebbinsii A. C. Sanders, T. Thomas, T. B. Salvato 2008-6-24 35560 Riverside Peninsular Range; San Jacinto Mtns.: May Valley c. 1.25 mi. SW of Fleming Ranch, nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1555 Comment
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Sep 26 2019
  UCR2102  Elymus trachycaulus F. M. Reed 1908-7-14 2471 Riverside San Jacinto Mtns., canyon on road to Strawberry Valley [Old Control Rd. from Oak Cliff, vicinity of Halfway Spring] 1220 Comment
  RSA699653  Emmenanthe penduliflora Keith E. Hoffmaster 1934-4-8 s.n. Riverside Santa Ana Mts. Comment
  RSA770311  Emmenanthe penduliflora Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4401 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  UC68775  Emmenanthe penduliflora H. M. Hall May 1905 6010 Riverside Cottonwood Springs; Colorado Desert 670 Comment
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Oct 9 2010
  UCR140321  Emmenanthe penduliflora A. C. Sanders 2004-5-12 27886 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  SEINET10397868  Emmenanthe penduliflora Norman C. Cooper 1944-4-8 1053 Riverside Andreas Canyon 305 Comment
  JEPS34097  Encelia actoni W. L. Jepson 1935-4-19 17080 Riverside San Gorgonio Pass Comment
  UC1118035  Encelia actoni A. Lewis 1933-1-26 140 Riverside Cactus Valley San Jacinto Quad., Cactus Valley 640 Comment
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Mar 20 2011
  UC456075  Encelia actoni I. J. Condit 1910-6-24 Riverside road to Strawberry valley; San Jacinto River Canyon Comment
  UCR60931  Encelia actoni Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3723 Riverside Peninsular Range, Vail Lake area, recently burned hills SE of lake, south of Hwy 79 488 Comment
  CAS-BOT-BC131334  Encelia farinosa C. F. Baker 1903-4-4 4151 Riverside Elsinore Comment
  HSC84144  Encelia farinosa Sharon K. Dubois 1987-5-10 Riverside San Jacinto Mtns.; 1 mi. up Bee Canyon off of Hwy. 74 457 Comment
  LA83403  Encelia farinosa O. H. Kappler; 1945-5-8 215 Riverside Morongo Pass Area, Desert City Comment
  RSA696887  Encelia farinosa L. C. Hull 1934-2-18 s.n. Riverside Desert near Palm Canyon. Comment
  RSA782989  Encelia farinosa J. D. Olmsted 1959-4-10 351 Riverside Along Hwy 60-99 near Cabazon, San Gorgonio Pass, Whitewater River. 671 Comment
  SD157559  Encelia farinosa Michael L. Wells 1990-4-19 90 19 Riverside Perris, intersection of Nuevo Road and Rimrock Road; southeast facing slope Comment
  UC895510  Encelia farinosa C. L. Hitchcock 1940-3-30 5873 Riverside Cottonwood Spring Comment
  POM305624  Encelia farinosa var. farinosa Henry J. Ramsey, Henry J. Ramsey 1937-3-2 875 Riverside Between Blythe and Parker. Comment
  UC68861  Encelia frutescens H. M. Hall 1905-4-1 5859 Riverside near Canon Springs; Colorado Desert Comment
  SDSU3822  Encelia virginensis Gerald Collier 1951-5-27 M 550 Riverside About 25 ft. from roadside state Hwy 74. About 4 miles east of Pinon Flats. San Jacinto Mtns. Comment
  UCSB70499  Encelia virginensis Cowan, Clark 1978-4-23 Riverside 12.1 mi (19.2 km) South on Highway 74 from junction with Highway 111 at Indian Wells; Whittaker transect #W-220 950 Comment
  CLARK-A1528-1811  Encelia virginensis subsp. actonii John C. Roos 1941-8-2 84 Riverside 609 Comment
  CHSC99338  Ephedra aspera LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1434 a Riverside Colorado Desert; Chocolate-Chuckwalla Mountains Region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. Near 33 37' 32'N, 115 19' 35'W: UTM 3721895N, 655238E Elevation 1574 feet to 33 36' 52'N, 115 19' 54'W: UTM 3720669N, 654757E. Elevation 1800 feet. General collecting along canyon bottom and slopes. 514 Comment
  LA6787  Ephedra aspera Harlan Lewis; 1939-4-9 sn Riverside Indio Comment
  SBBG393  Ephedra californica H. and M. Dearing 1939-11-12 4035 Riverside E of Banning Comment
  SFV17218  Ephedra californica J. W. Dole 1980-11-1 Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  UC1929705  Ephedra nevadensis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10502 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  SEINET3867763  Ephedra trifurca Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 6477 Riverside Rice Valley, 30 miles south-southwest of Rice.; 0 244 Comment
  UCR274797  Ephedra trifurca April Garbat, Kristin Forgrave 2013-4-30 068 B Riverside Sonoran (Colorado) Desert, Blythe-Rice Road, at the bottom of Rice Valley, c. 2 miles south of Hwy 62, south of the RR tracks 243 Comment
  RSA660215  Ephedra viridis L. C. Wheeler 1955-6-16 7159 Riverside Palm to Pines Highway: at culvert P5.53 610 Comment
  UC1287195  Ephedra viridis C. L. Hitchcock 1966-3-16 24204 Riverside 7 mi s of Palm Desert (along Palms to Pines Hiway) Comment
  UC217983  Epilobium campestre P. A. Munz and I. M. Johnston 1922-5-21 5542 Riverside near Moreno; Mystic Lake 457 Comment
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Mar 20 2011
  UC218077  Epilobium campestre P. A. Munz and I. M. Johnston 1922-5-19 5368 Riverside Menifee Valley 426 Comment
  RSA559605  Epilobium canum subsp. latifolium Louis C. Wheeler 1933-12-1 2291 Riverside Mouth of Tauquitz Canyon, San Jacinto Mountains. 152 Comment
  UC20676 Image available Epilobium canum subsp. latifolium H. M. Hall 1901-7-1 2567 Riverside ridge of w side San Jacinto Mountains 2042 Comment
  POM48409  Epilobium glaberrimum subsp. glaberrimum P. A. Munz 1924-7-28 8812 Riverside Pine Flats 1738 Comment
  RSA588573  Epilobium glaberrimum subsp. glaberrimum E. C. Jaeger 1921-7-2 s.n. Riverside Idyllwild, San Jacinto Mountains. 1585 Comment
  RSA617990  Epilobium pygmaeum R. E. Riefner Jr. 1998-9-13 98 -476 Riverside Elsinore Trough; Wildomar. Comment
  POM11161  Equisetum laevigatum Philip A. Munz 1922-6-27 5836 Riverside Santa Rosa Mountains, Santa Rosa. 1981 Comment
  RSA684674  Equisetum laevigatum Gale Sphon 1955-5-22 s.n. Riverside Hemet Meadow. Comment
  RSA761326  Equisetum laevigatum Shawn Krosnick, C. Martinez, N. Fraga, L. McDade 2010-8-14 684 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA763419  Eragrostis Justin M. Wood, Brandy Wood 2009-7-4 1043 Riverside Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. 250 Comment
  SD112848  Eragrostis mexicana subsp. virescens D. F. Howe 1947-8-17 1753 Riverside Orange Grove, Redlands Comment
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Feb 17 2013
  RSA129655  Eragrostis minor H. S. Yates 1937-6-28 21089 Riverside Palm Springs. 137 Comment
  JEPS68602  Eremalche exilis W. L. Jepson 1927-4-11 11629 Riverside Whitewater n.w. Colorado Desert, Whitewater 457 Comment
  CAS-BOT-BC160051  Eremothera boothii subsp. condensata Ynez Whilton Winblad 1937-3-21 s.n. Riverside Coachella Valley Comment
  UC2030110  Eremothera boothii subsp. condensata V. Soza, J. M. Porter, G. D. Wallace 2001-4-2 1095 Riverside Transverse Ranges, Little San Bernardino MOuntains region: Mouth of West Wide Canyon, west side of Channel Run. Comment
  CAS-BOT-BC514317  Eriastrum densifolium subsp. austromontanum John Thomas Howell 1927-8-2 2935 Riverside Mt. San Jacinto on road to Hemet 1371 Comment
  RSA0104871  Eriastrum densifolium subsp. austromontanum D. L. Banks, S. D. Boyd 1995-10-17 0784 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  RSA0119727  Eriastrum diffusum subsp. diffusum Duncan S. Bell 2013-4-7 4762 Riverside Arica Mountains, east side of range; west side of Rice Valley approximately 4 air miles south of the ghost town of Rice. 207 Comment
  UCD118270  Eriastrum eremicum subsp. eremicum Collector Unknown 2016-5-19 292 Riverside Little Morongo Wash, near Warren's Ranch. Comment
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Feb 15 2013
  RSA0120074  Eriastrum eremicum subsp. eremicum H. K. Wagnon 1944-5-30 411 Riverside Corner of Indian Ave. and Ramon Road, Palm Springs. Comment
  RSA0120744  Eriastrum harwoodii E. C. Jaeger 1939-5-4 s.n. Riverside Pinon Alta Flats, Santa Rosa Mts. 1585 Comment
  UC130497  Eriastrum sapphirinum Charlotte M. Wilder 1909-7-15 959 Riverside at gate near keeper's house; Hemet Valley Comment
  UC708663  Eriastrum sapphirinum R. Bacigalupi 1941-8-30 2700 Riverside upper end of Kenworthy Flats San Jacinto Mountains 1392 Comment
  UCR178416  Eriastrum sapphirinum John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  UCR274192  Eriastrum sapphirinum T. B. Salvato, Gregg Miller 2005-6-7 1433 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  RSA0121255  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, T. S. Ross, D. E. Bramlet 1993-5-13 7363 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 412 Comment
  RSA0122016  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, Dave Bramlet 1990-4-29 4487 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA0122011  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3533 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR123257  Ericameria cuneata Steve Boyd, D. E. Bramlet 1988-10-8 2859 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  CAS-BOT-BC286793  Ericameria cuneata var. spathulata John Thomas Howell 1928-1-31 3321 Riverside At nw. end of Pinto Basin, n. Colorado Desert Comment
  POM350409  Ericameria cuneata var. spathulata Jack Rempel, Erwin H. Miller 1934-4-28 18726 Riverside Lost Horse 1296 Comment
  RSA342552  Ericameria linearifolia R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54094 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  SD84911  Ericameria linearifolia Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 372 Riverside 2.0 miles up water service road leading south from Highway 72, Deep Canyon. 1310 Comment
  UC322979  Ericameria palmeri var. pachylepis H. M. Hall 1927-10-22 12296 Riverside Wildomar Comment
  SD137893  Ericameria pinifolia Darin L. Banks, Steve Boyd 1995-10-17 788 Riverside Agua Tibia Mountains, Northwest Palomar Mountain, Cleveland National Forest, Along lower Arroyo Seco, south of the Dripping Springs Campground 515 Comment
  SEINET10849697  Erigeron David B. Dunn 1947-9-21 Dunn 3513 Riverside Stream (Springs) bed, wet sand. Pushawalla Canyon. Comment
  RSA717587  Erigeron foliosus A. C. Sanders 2004-5-12 27880 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR174129  Erigeron foliosus A. C. Sanders, T. B. Salvato 2006-6-2 33087 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  JEPS41504  Erigeron foliosus var. foliosus W. L. Jepson and H. M. Hall 1901-5-31 1568 Riverside near Temecula 335 Comment
  RSA89920  Erigeron foliosus var. stenophyllus E. K. Balls, Percy C. Everett 1953-7-1 18351 Riverside 2.2 miles NW of boundary of San Bernardino National Forest, raod from Idyllwild to Banning. Comment
  CLARK-A1528-206  Erigeron philadelphicus C. M. Flanagan 1973-4-26 OO 317 Riverside Morongo Indian Reservation 1158 Comment
  SD129173  Eriochloa acuminata var. acuminata G. Helmkamp 1989-9-16 Riverside Hayfield on the W side of state hwy 78, 0.7 mi. N of Palo Verde. 74 Comment
  UCR18241  Eriochloa contracta Bill Isom 1976-1 s.n. Riverside Sonoran (Colorado) Desert, Palo Verde Valley, south of Blythe, South Lovekin Blvd. 76 Comment
  LA205601  Eriodictyon crassifolium S. Atsatt; 1926-4-17 sn Riverside Palm Springs Comment
  RSA481789  Eriodictyon crassifolium Lyman Benson 1960-3-22 16010 Riverside Mouth of Snow Canyon, NW of Palm Springs, San Jacinto Mtns, Salton Sea Drainage, Colorado Desert. 564 Comment
  UCR174617  Eriodictyon crassifolium Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 348 Riverside Peninsular Ranges; San Jacinto Mtns., just down Mt. Edna Road west off of Calif. Hwy 243 1146 Comment
  UCSB5277  Eriodictyon crassifolium Wilson, Richard 1958-5-17 Riverside 6 miles SE of Banning on State 74, San Jacinto Mtns. 762 Comment
  UCR35117  Eriodictyon crassifolium var. crassifolium L. B. Ziegler 1967-5-18 131 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  CAS-BOT-BC189163  Eriodictyon crassifolium var. nigrescens Scott D. White 1996-4-14 3903 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Highway 74, ca. 1.7 mile W of USFS Cranston Fire Station 548 Comment
  UCSB5480  Eriodictyon trichocalyx var. trichocalyx Ullman, Sydney 1956-4-14 Riverside Whitewater Canyon 16 miles south of Banning 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-BC248632  Eriogonum apiculatum P. A. Munz; E. K. Balls 1952-8-21 17975 Riverside Santa Rosa Spring, Santa Rosa Mts. 2133 Comment
  RSA393114  Eriogonum apiculatum Kessler 1921-09 s.n. Riverside Mt. San Jacinto. Comment
  SEINET6328739  Eriogonum apiculatum J. L. Reveal, Caroline G. Reveal 1972-8-9 2861 Riverside San Jacinto Mtns., along California Hwy 243, 4.4 mi NNW of Idyllwild, 8.9 mi N of the junction with Hwy 74, and 1 mi S of Alandale Ranger Station, Comment
  UCD159799  Eriogonum apiculatum Louis C. Wheeler 1945-10-7 6412 Riverside San Jacinto Mountains: divide between West Fork Snow Creek and North Fork San Jacinto River. 2377 Comment
  CAS-BOT-BC242802  Eriogonum davidsonii Susan G. Stokes 1933-7-1 106 Riverside Near Idyllwild, San Jacinto Mts. Comment
  JOTR36397  Eriogonum davidsonii La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3348 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 100 m W of Pinyon Well site at spring Comment
  RSA0093774  Eriogonum davidsonii Duncan S. Bell 2015-9-30 8680 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  UCR102435  Eriogonum davidsonii G. R. Ballmer 1991-6-22 s.n. Riverside San Jacinto Mtns., SE end of Garner Valley, on Pacific Crest Trail about 2-3 mi north of junction with Hwy 74; in vicinity of Bull Canyon Comment
  UCR250919  Eriogonum elongatum Jeremiah George 2012-7-11 s.n. Riverside Beaumont, south of Kobe St./Brownie Way and west of Manzanita Park Rd., east of Hwy 79 798 Comment
  SD229227  Eriogonum elongatum var. elongatum Dick Schwenkmeyer 2012-8-27 830 Riverside Fuller's Mill camp, 2.6 miles east of the intersection of highway243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  UCR176185  Eriogonum fasciculatum subsp. polifolium Amber Bruno 2005-6-7 54 Riverside Riverside; east side of UC Riverside, east end of Big Springs Rd. on north side of road, 0.25 mi. east of Watkins Dr. but west of the railroad track, Islander Park 351 Comment
  GMDRC5485  Eriogonum fasciculatum var. flavoviride J. Andre 2012-4-11 20827 Riverside Little San Bernardino Mountains: western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  RSA766509  Eriogonum fasciculatum var. flavoviride Donald A. Johansen, Joseph A. Ewan 1932-4-11 7087 Riverside Martinez Canyon, Santa Rosa Mts. 366 Comment
  RSA393343  Eriogonum fasciculatum var. polifolium H. de Forest 1932-8-28 s.n. Riverside W side San Jacinto Valley. Comment
  UCR154460  Eriogonum gracile Jason L. Hlebakos 2005-5-30 801 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UCR240651  Eriogonum gracile Tracy Tennant 1998-8-14 MOR- 1066 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon, NW of Cabazon 1372 Comment
  RSA11586  Eriogonum gracile var. gracile C. Epling, Wm. Robison 1933-6-24 s.n. Riverside Little San Bernardino Mountains: Near Morongo Pass Comment
  RSA544289  Eriogonum gracile var. gracile Steve Boyd, Tim S. Ross 1991-6-14 6358 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
  CLARK-A1528-3677  Eriogonum nudum subsp. pauciflorum John C. Roos 1943-10-16 2740 Riverside Little San Bernardino Mountains Comment
  CAS-BOT-BC269779  Eriogonum nudum var. pauciflorum Geo. B. Grant No date on label s.n. Riverside Strawberry Valley, San Jacinto Mts. Comment
  POM259133  Eriogonum nudum var. pauciflorum P. A. Munz 1938-8-14 15374 Riverside East of Toro Peak 2287 Comment
  RSA160411  Eriogonum parishii J. D. Olmsted 1959-9-23 1001 Riverside N Fork San Jacinto River drainage area: Flat on NW side of Idyllwild Banning Rd. halfway up grade south of Dark Canyon Creek crossing 1799 Comment
  SD160871  Eriogonum roseum Virginia Moran 2003-9-1 Riverside Perris-Aguanga Basin region: Wilson Valley Mitigation Bank, accessed from Wilson Valley Road Comment
  CAS-BOT-BC268555  Eriogonum saxatile H. M. Hall 1897-7-7 729 Riverside San Jacinto Mt. Comment
  POM293157  Eriogonum saxatile Lyman Benson 1946-4-15 12041 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  CAS-BOT-BC263506  Eriogonum thomasii Geo. B. Grant 1906-4-20 541 Riverside Palm Springs, Colorado Desert Comment
  CLARK-A1528-746  Eriogonum thomasii Charlotte Stocks 1963-3-21 Riverside Coachella Comment
  RSA799520  Eriogonum thomasii Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4775 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 5.5 air miles southeast of the ghost town or Rice or approximately 4.75 air miles east of Priests Well. 208 Comment
  SEINET3218477 Image available Eriogonum thomasii T. B. Salvato 2010-4-20 4063 Riverside Sonoran (Colorado) Desert; alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe (McCoy Peak 7.5' Q.) 183 Comment
  RSA718297  Eriogonum thomasii Michael Honer, L. Hulse 2004-4-2 1878 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  CHSC1328  Eriogonum thurberi Sonia R. Westerberg 1938-5-16 Riverside Palm Springs. Comment
  RSA689553  Eriogonum thurberi Scott D. White, Michael Honer 2003-4-25 9128 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. 610 Comment
  UCR261485  Eriogonum thurberi A. C. Sanders, Katie Young, John Hale 2015-4-22 41586 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 1.6 km south of I-10, 1.2 km NW (319 deg. ) of One Horse Spring 458 Comment
  SEINET6894827  Eriogonum thurberi Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  CAS-BOT-BC264925  Eriogonum wrightii var. membranaceum Lester Rowntree 1929-11-13 s.n. Riverside San Jacinto Mts. Comment
  RSA0104484  Eriogonum wrightii var. membranaceum Duncan S. Bell 2015-9-30 8671 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  RSA334999  Eriogonum wrightii var. membranaceum Steve Boyd 1985-10-5 1190 Riverside Harford Springs Co. Park, north edge of the Gavilan Plateau of the Gavilan Creek drainage system on the Plateau. 610 Comment
  RSA674529  Eriogonum wrightii var. membranaceum Scott D. White 2000-11-15 8152 Riverside Idyllwild area, 'Strawberry Fuelbreak' between 'Inspiration Pt.' and Strawberry Ck. 1402 Comment
  RSA0097951  Eriogonum wrightii var. nodosum Duncan S. Bell 2014-11-14 7722 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  CDA28204  Erioneuron pulchellum A. A. Beetle 1942-4-23 3186 Riverside Rt. 95, 9 miles north of Blythe. 0 Comment
  CLARK-A1528-1249  Erioneuron pulchellum John C. Roos 10/251946 3146 Riverside Chuckwalla Mountains 365 Comment
  UCR135984  Eriophyllum confertiflorum A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27906 Riverside Peninsular Range, Alberhill Mountain, around dried pool in bottom of a large clay pit 445 Comment
  UC1537022  Eriophyllum multicaule Gordon H. True Jr. 1935-3-19 130 Riverside 6 mi se Perris 487 Comment
  JOTR34195  Eriophyllum wallacei La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2988 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  POM358158  Eriophyllum wallacei Norman C. Cooper 1944-5-20 1246 Riverside Palms to Pines Hwy. San Jacinto Mtns. 1219 Comment
  RSA6092  Eriophyllum wallacei C. B. Wolf 1932-5-25 3671 Riverside 1 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 396 Comment
  SD73607  Eriophyllum wallacei Helen V. Witham 1970-4-29 821 Riverside 22 miles east of Lake Hemet. 1000 Comment
  UCR84657  Eriophyllum wallacei Scott D. White, S. Ogg 1994-4-21 2006 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA528105  Erodium botrys Steve Myers 1991-4-15 91 -4 Riverside City of Banning, W of fields Road, N of Interstate 10 & S o the Morongo Indian Reservation. 671 Comment
  UCR155320  Erodium brachycarpum A. C. Sanders, Mike Misenhelter 2005-3-23 29247 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  CDA4668  Erodium cicutarium T. C. Fuller 1963-4-23 10296 Riverside San Jacinto Mountains; Highway 74 to Palm Desert, just east of Pinyon Flat. 0 Comment
  UCR126379  Erodium cicutarium A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 688 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  RSA390940  Erodium texanum Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  CAS-BOT-BC54334  Erysimum capitatum Noel Herman Holmgren; Liew Fah Seong 1969-6-17 3581 Riverside San Jacinto Mountains, Black Mountain, campground at turnoff to a lookout tower. Comment
  RSA651254  Erysimum capitatum Diane M. Ramirez 1983-5-15 23 Riverside Poppet Flat Divide Truck Trail, 1 mi S of junction with CA Hwy 243, S of Banning. Comment
  RSA0020244  Erythranthe floribunda Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 637 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SD51955  Erythranthe guttata Reid Moran 1962-7-7 9858 Riverside by Strawberry Creek, 2 miles SE of Idyllwild, San Jacinto Mountains 472 Comment
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Feb 23 2013
  RSA0022929  Eschscholzia androuxii M. B. Dunkle 1935-3-30 4421 Riverside Pinto Basin, Colorado Desert. 915 Comment
  UCR137498  Eschscholzia californica D. L. Banks, V. W. Steinmann 1997-3-13 1530 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR152637  Eschscholzia californica A. C. Sanders 2005-4-22 29609 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  RSA0022947  Eschscholzia minutiflora Mary F. Spencer 1920-3-24 248 Riverside Near Indio. Colorado Desert. 91 Comment
  CAS-BOT-BC419626  Eschscholzia parishii Philip A. Munz 1949-4-13 13056 Riverside Above Cottonwood Springs, west end of Eagle Mts., Colorado Desert 1143 Comment
  UC68555  Eschscholzia parishii H. M. Hall Apr., 1905 5898 Riverside Chuckawalla Springs Colorado Desert Comment
  UCR20764  Eschscholzia parishii A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1328 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
  UCR780  Eschscholzia parishii S. C. Anderson 1957-4-14 s.n. Riverside Santa Rosa Mtns., Deep Canyon, south of Palm Desert. 305 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
  SDSU13824  Eucalyptus camaldulensis W. Miller with C. Mosse Riverside Comment
  RSA420929  Eucrypta chrysanthemifolia E. Crow 1929-3-17 197 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  UCR137045  Eucrypta chrysanthemifolia A. C. Sanders 2004-5-5 27770 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
  UCR158524  Eucrypta chrysanthemifolia A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30048 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
  RSA716393  Eucrypta chrysanthemifolia var. chrysanthemifolia Scott D. White, Angelia Carey 2004-4-5 9982 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR51984  Eucrypta micrantha Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2175 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  UCR171895  Euphorbia albomarginata John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  UCR260520  Euphorbia albomarginata T. B. Salvato 2014-5-29 8053 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  JOTR33803  Euphorbia eriantha La Doux, Tasha, B. Truesdell 2007-11-9 3301 Riverside Joshua Tree National Park. Eagle Mountains; along south boundary of park, open bajada below mouth of Lost Palms Canyon (STOP 2) 601 Comment
  RSA690988  Euphorbia eriantha Scott D. White, Michael Honer 2003-5-15 9315 Riverside Bajada below Little Maria/ Big Maria Mtns. near Inca RR siding, ca. 15 air miles NW of Blythe. 61 Comment
  UCR199835  Euphorbia eriantha Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-6-14 11262 Riverside Colorado Desert, Chocolate-Chuckwalla Mountains, western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 570 Comment
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Jun 20 2011
  RSA715999  Euphorbia maculata R. D. Goeden, D. W. Ricker 1965-6-18 s.n. Riverside Riverside, north side of Blaine St. just west of Gage Canal. 313 Comment
  SD181560  Euphorbia parishii Scott D. White 1999-4-20 7279 Riverside Southern foothills of the Big Maria Mountains, northwest of California Highway 95, ca. 7 miles north of Interstate 10. 89 Comment
  CLARK-A1528-2705  Euphorbia polycarpa John C. Roos 1965-6-23 Riverside Cactus City Comment
  UCR166022  Euphorbia polycarpa Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  OBI14408  Euphorbia polycarpa var. hirtella Lewis S. Rose 1966-12-11 66099 Riverside La Quinta 91 Comment
  RSA797433  Euphorbia polycarpa var. vestita Keith E. Hoffmaster 1933-4-13 s.n. Riverside Palm Springs. Comment
  UCD142790  Euphorbia serpillifolia Louis C. Wheeler 1965-6-27 8692 Riverside Corona: Overboltzer's Grove. Comment
  UCR239869  Euphorbia serpillifolia O. F. Clarke 2004-5-8 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  SD247415  Euphorbiaceae O. F. Clarke 2004-3-19 Riverside Peninsular Range: Riverside; UCR Botanical Garden (Riverside East 7.5'Q) 340 Comment
  RSA612273  Eustoma exaltatum Louis C. Wheeler 1933-8-13 2078 Riverside Santa Ana River at Chino Creek. 152 Comment
  JEPS20778  Fagonia laevis Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13236 Riverside 11.3 mi n Blythe (U.S. Highway 95); Big Maria Mts. Comment
  LA105789  Fagonia laevis David Charlton; 1988-2-18 1149 Riverside S side of Little San Bernardino Mountains, Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10, 5 mi E of Jct Dillon Rd. and Fargo Cyn Rd 761 Comment
  SBBG67802  Fagonia laevis L. Rowntree 1930-5-8 Riverside near Palm Springs Comment
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Aug 27 2011
  JOTR34182  Festuca microstachys La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3232 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  UCR115433  Festuca microstachys Scott D. White, D. E. Bramlet 1999-4-22 7239 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR20860  Festuca microstachys var. microstachys A. C. Sanders 1978-6-11 886 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  UCR93058  Festuca myuros Steve Boyd 1986-4-2 1626 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA0026300  Filago John F. Emmel 1991-4-28 1170 Riverside Lakeview Mts. WNW of Hemet; slope 0.1 air mile south and 016 [1.6?] air mile west of intersection of Warren Road and Esplanade Ave. 518 Comment
  RSA793593  Filago californica R. F. Thorne 1995-3-29 63036 Riverside White Water Canyon 600 Comment
  RSA393736  Filago depressa Robert Gustafson 1983-3-27 2480 Riverside Dry, rocky canyon just southwest of Lake Cahuilla Comment
  UCR112979  Filago depressa B. G. Pitzer, T. Tennant 1998-2-21 3540 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10. 427 Comment
  UCR18116  Filago depressa A. C. Sanders 1978-4-2 116 Riverside Sonoran (Colorado) Desert, Living Desert Reserve in Palm Desert [mouth of Deep Canyon] 152 Comment
  UCR196305  Filago depressa R. F. Thorne, M. Z. Thorne 1973-3-30 42686 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  UC1478695  Flaveria trinervia Mark Tavianini 1977-10-23 Riverside Mickinley St., 1 mi n of 91 Freeway; La Sierra area Comment
  RSA595703  Forestiera pubescens R. E. Riefner Jr. 1996-7-15 96 -154 Riverside W of community of El Cerrito, NW 1mile from Minnesota Road & Temescal Wash. Comment
  SEINET7907909  Fouquieria splendens D. A. Johnson 2005-1 Riverside Between Coachella and S entrance to Joshua Tree Nat'l Park, S of Interstate 10 914 Comment
  UCR216069  Fouquieria splendens Helen Kennedy, Fred R. Ganders 2008-4-9 6262 Riverside Sonoran (Colorado) Desert, c. 0.5 mi. from junction of Hwy 10 and Cottonwood Spring Road on dirt road to west, SE of Joshua Tree National Park 529 Comment
  UCR4149  Fouquieria splendens Ronald M. Cope 1965-4-8 s.n. Riverside Sonoran (Colorado) Desert, between Desert Center and Indio, c. 25 mi. west of Desert Center, north side of road [vicinity of Cottonwood Springs Rd.] 30 Comment
  UCR268290  Frangula californica subsp. cuspidata Jim Andre 2012-6-15 30533 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  UCR76157  Fumaria parviflora John Wear 1993-1 s.n. Riverside Coachella Valley, near Mecca Hills 61 Comment
  RSA458586  Funastrum cynanchoides var. hartwegii N. C. Cooper 1944-5-19 1293 Riverside Banning. 701 Comment
  RSA70347  Funastrum hirtellum F. W. Peirson 1927-4-12 7160 Riverside Painted Canyon, near Mecca Comment
  CLARK-A1528-3947  Galium angustifolium John C. Roos 1937-5-2 1413 Riverside La Sierra Comment
  CDA18362  Galium angustifolium subsp. angustifolium G. D. Barbe, Lew Davis 1978-5-3 2380 Riverside Sonoran Desert; 1.4 mi W of settlement, 5 miles W of end of Corn Springs Rd, W of Corn Springs campground. 548 Comment
  UCR133387  Galium aparine Tracy Tennant, T. B. Salvato 1998-6-23 488 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  UC1143089  Galium nuttallii subsp. nuttallii R. St. John 1931-2-18 185 Riverside sw Murrieta; Elsinore Quadrangle Comment
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Nov 27 2011
  SD135315  Galium porrigens Craig Reiser, Dylan Hannon 1993-5-30 Riverside N slope of Santa Rosa Peak Comment
  RSA751277  Galium porrigens var. porrigens A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35628 Riverside May Valley c. 1.25 mi SW of Fleming Ranch, mouth of nameless tributary NW of Herkey Crk., just north of Bonita Vista Rd. 1543 Comment
  LA40308  Garrya veatchii D. Dunn; 1941-1-12 672 Riverside halfway up the grade on the way to Idyllwild from Hemet Ranger Station Comment
  UCR2434  Gastridium ventricosum F. M. Reed 1906-10-18 1197 Riverside Moreno Valley, along Perris [Blvd.] near Allessandro Blvd 479 Comment
  UCR160953  Gaura coccinea A. C. Sanders 2001-7-9 24465 Riverside Santa Ana River Valley/San Bernardino Valley, Riverside, weed in the UCR Botanic Garden 351 Comment
  RSA788879  Gayophytum diffusum subsp. parviflorum Gary D. Wallace 2003-7-8 4045 Riverside Hidden Lake. Comment
  UCR242675  Gayophytum heterozygum A. C. Sanders 2013-7-6 40847 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11 1793 Comment
  UCD105705  Genista monosperma Anne Catterson 2002-2-25 s.n. Riverside Perris-Aguanga Basin region: Orangecrest area of SE Riverside, 17120 Cole Ave. 518 Comment
  CAS-BOT-BC303581  Geraea canescens John Thomas Howell 1928-3-11 3433 Riverside 6 miles SE of Garnet Station, Coachella Valley, Colorado Desert 152 Comment
  CLARK-A1656-606  Geraea canescens Lois Ann Scott 1977-12-23 Riverside Thousand Palms Oasis 152 Comment
  UC88703  Geraea canescens S. B. and W. F. Parish 1882-4-1 Riverside Agua Caliente Comment
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Nov 24 2011
  UCR196349  Geraea canescens Naomi Fraga, Lisa Rojas 2005-2-10 1405 B Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 361 Comment
  POM48129  Geranium richardsonii Mary F. Spencer 1919-6-26 s.n. Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA0112037  Gilia A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35591 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek watershed, c. 1.25 mi ENE of Mountain Center, nameless tributary to Coldwater Creek north of Johnson Meadow, along trail from May Valley Rd. 1524 Comment
  RSA4383  Gilia angelensis Dorothy R. Wolf 1932-3-20 29 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  SEINET7072818  Gilia angelensis A. G. Vestal 1963-5-19 s.n. Riverside Open bush country about 3.6 miles northeast of Aguanga on Route 371 [on the Cahuilla Road] Coordinate datum: WGS84/NAD83. (33? deg. 29' 7" North Latitude, -116? deg. 49' 54" West Longitude, Coordinate datum: NAD27.). Comment
  UCR103176  Gilia angelensis Scott D. White, Julie Greene 1997-3-12 4771 Riverside Pedley area, S foot of Jurupa Hills: Just north of State Route (Fwy) 60 at Pedley exit. 305 Comment
  UCR225729  Gilia angelensis A. C. Sanders, T. B. Salvato 2011-3-30 38898 Riverside Peninsular Range, city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  POM10417  Gilia capitata subsp. abrotanifolia Charlotte M. Wilder 1907-4-6 s.n. Riverside Whitewater Ranch Comment
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Nov 30 2009
  RSA525422  Gilia capitata subsp. abrotanifolia Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4530 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UC310671  Gilia capitata subsp. abrotanifolia Philip A. Munz 1926-5-2 10425 Riverside about 5 mi nw Dripping Springs; nw of Dripping Springs Comment
  UC60876  Gilia capitata subsp. abrotanifolia H. M. Hall Apr., 1903 3844 Riverside Morena Valley Comment
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Jul 6 2010
  CAS-BOT-BC257174  Gilia diegensis Duncan S. Bell; Valentin Arvizu 2010-5-10 988 Riverside Peninsular Ranges; San Jacinto Mountains region: San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04 1349 Comment
  JEPS69629  Gilia latifolia W. L. Jepson 1927-4-12 11643 Riverside n Mecca ((Mecca Hills), Painted Canyon); Colorado Desert, Painted Canyon, n of Mecca (Mecca Hills) 76 Comment
  JEPS4111  Gilia ochroleuca subsp. exilis W. L. Jepson May 17 1901-Jun 1 1901 1270 Riverside San Jacinto Valley 274 Comment
  RSA0017292  Gilia ochroleuca subsp. exilis Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1068 Riverside Corona-Elsinore. Comment
  RSA0019473  Gilia scopulorum J. Andre, G. L. Clifton, Ron Kelley 2013-3-21 24391 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  RSA775920  Gilia scopulorum Duncan S. Bell, Amanda Turek 2010-4-10 809 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UCR23211  Gilia sinuata J. C. Lyman 1981-5-24 s.n. Riverside San Jacinto Mtns., May Valley Rd. Idyllwild. 1768 Comment
  JEPS2614 Image available Gilia stellata L. M. Newlon 1922-4-3 433 Riverside Andreas Canyon San Jacinto Mts.; Andreas Canyon, San Jacinto Mts. Comment
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Apr 7 2011
  JOTR30698  Gilia stellata La Doux, Tasha 2008-2-4 1753 Riverside Joshua Tree National Park. Hexie Mountains, Porcupine Wash, Stop 2. 778 Comment
  JOTR34011  Gilia stellata La Doux, Tasha, M. Harding 2010-4-7 2899 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
  UCR279393  Gilia stellata A. C. Sanders, Jim Malusa 2017-3-25 43009 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  POM157911  Githopsis diffusa subsp. filicaulis P. A. Munz 1927-5-20 10807 Riverside 10 miles S. of Hemet. Comment
  RSA575851  Glinus lotoides Steve Boyd 1983-7-13 s.n. Riverside Gavilan Hills region, south shore of Lake Mathews. 424 Comment
  RSA0033918  Glycyrrhiza lepidota John F. Emmel 1997-5-3 1467 Riverside Along Warm Springs Creek, ca. 1 air mile southwest of Murrieta Hot Springs (1.7 air miles west & 0.1 air mile south of junction Murrieta Hot Springs Road & Hwy. 79). 326 Comment
  UCR199722  Gnaphalium canescens Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10671 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  UCR12694  Gnaphalium luteoalbum T. W. Fisher 1972-7-31 s.n. Riverside Peninsular Range, Eagle Valley, 1 mi west of Lake Matthews 457 Comment
  UCR156459  Gnaphalium palustre T. B. Salvato, A. C. Sanders 2005-5-17 885 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
  UCR157959  Gnaphalium palustre T. B. Salvato, A. C. Sanders 2005-5-17 918 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
  UCR212971  Gnaphalium stramineum Justin M. Wood, Brandy N. Wood 2009-7-4 1041 Riverside San Bernardino Valley, Riverside Flood Control Basin, southwest corner of Patton Road and Wineville Road, immediately south of San Bernardino County Line 256 Comment
  UC403461  Grusonia parishii Dr. P. A. Munz Apr. 1921 Riverside Little San Bernardino Mts. Comment
  UC354428  Guillenia lasiophylla Edmund C. Jaeger 1925-12-12 Riverside near Palm Springs; Eagle Canyon 106 Comment
  RSA593377  Gutierrezia californica Scott D. White 1996-7-23 4357 Riverside Pinyon Flat Area: N of Hwy 74, ca. 10 road miles E of jct. w/Hwy 371. W facing slope of Sugarloaf Mtn. and adjacent valley. 1250 Comment
  POM359229  Gutierrezia sarothrae N. R. Zabriskie, W. M. Zabriskie 1970-11-1 329 Riverside Andreas Canyon area, east slope San Jacinto Mountains. 427 Comment
  UCR103456  Gutierrezia sarothrae Bern Schwenn 1998-9-27 s.n. Riverside Santa Rosa Mtns, San Bernardino National Forest, Cactus Spring Trail, where trail crosses Horsethief Creek 1341 Comment
  SEINET189223 Image available Halliophytum hallii Annie M. Alexander, L Kellogg 1941-5-14 2171 Riverside 2.5 miles south of Cottonwood Spring Eagle Mountains 838 Comment
  UCR95233  Hedypnois cretica D. L. Banks, V. W. Steinmann 1996-4-20 0880 Riverside Agua Tibia Mountains, NW Palomar Mountains, N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony along a circular drive that runs along the W end of the compound. 567 Comment
  UC489276  Helenium bigelovii C. V. Meyer 1928-7-26 531 Riverside w slope San Jacinto Mt. 2438 Comment
  CAS-BOT-BC211544  Helianthemum scoparium Carl B. Wolf 1936-6-17 7956 Riverside Tenaja Road, 1 4/10 mi. off Ortega Highway on road to La Cienega, Santa Ana Mts. 609 Comment
  POM2873  Helianthemum scoparium var. aldersonii P. A. Munz 1918-4-27 2137 Riverside Temescal Canyon Comment
  RSA763056  Helianthemum scoparium var. aldersonii E. W. Lathrop 1973-6-28 7435 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest. 1220 Comment
  JEPS49059  Helianthus annuus Lewis S. Rose 1966-12-11 66095 Riverside Palm Springs 152 Comment
  UCSC001464  Helianthus annuus Peter Kamb 1948-2-1 772 Riverside Valley in the Jurupa Mts. west of Colton Jurupa Mts., Colton - San Bernardino 305 Comment
  POM360004  Helianthus gracilentus N. C. Cooper 1947-6-9 C- 2803 Riverside Los Alamos Canyon, Elsinore 762 Comment
  UC354463  Helianthus gracilentus Edmund C. Jaeger 1925-8-1 Riverside near Gregg's Ranch (Banning-Idylwild Rd.) 1127 Comment
  RSA0078220  Heliotropium curassavicum var. oculatum Sarah J. De Groot, Amy Rouillard 2015-9-15 7558 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  SBBG87893  Heliotropium curassavicum var. oculatum B. Pitzer, K. Kirtland 1986-5-7 217 Riverside Butterfield Stage Ranch development, in the hills on the N side of Pauba Valley in the Rancho California area, 1 mi S of Buck Mesa on the E side of Butterfield Stage Rd 457 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
  UCR180106  Hemizonia fasciculata Mitch Provance 2003-4-26 9892 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR22100  Hemizonia fasciculata Steve Boyd 1980-5-21 296 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  UCR261270  Hemizonia kelloggii A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41723 Riverside Temescal Canyon, across Temescal Canyon Rd. from Lee (Corona) Lake dam, N of I-15 Fwy, mouth of Indian Canyon Wash 354 Comment
  UCR239937  Hemizonia mohavensis O. F. Clarke 2003-9-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  UCR127561  Hemizonia paniculata A. C. Sanders, T. B. Salvato 2003-5-21 26787 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
  UCR139627  Hemizonia paniculata A. C. Sanders 2004-6-30 28397 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR183342  Hemizonia paniculata Mitch Provance 2005-5-27 4606 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  UCR187504  Hemizonia paniculata Theresa Johnson 2006-9-27 286 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Tenaja Road west of Squaw Mountain, c. 1 mile NW of Tenaja Guard Station 598 Comment
  UCR232043  Hemizonia paniculata John F. Green 2008-4-15 0408- 06 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  RSA512135  Hemizonia pungens subsp. laevis Ed LaRue 1989-4-21 s.n Riverside Moreno Valley, ca. 1 mi S of Hwy 60 on Nason St. Adjacent to W side of Nason, S of Dracaea Ave. Comment
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Jul 19 2014
  UCR130517  Hemizonia pungens subsp. laevis R. E. Riefner Jr. 2003-5-27 03- 243 Riverside Elsinore Trough, city of Lake Elsinore, vicinity of Campbell Dr. and Diamond Drive 384 Comment
  HSC47334  Hesperocallis undulata R. W. Spjut, C. E. Edson 1978-4-26 4956 Riverside Colorado Desert, along Hwy. 177, ca. 7 mi. NE of Desert Center. 305 Comment
  UC191682  Heterocodon rariflorum S. B. and W. F. Parish Jun 1882 1425 Riverside base of San Jacinto Mt. Comment
  UCR234753  Heteromeles arbutifolia A. C. Sanders, John F. Green 2012-6-25 40302 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, benches south of I-15 and east of Horsethief Canyon Rd. 419 Comment
  RSA0072394  Heteromeles arbutifolia Steve Boyd, Tim Ross, L. Arnseth 1990-3-30 3959 Riverside Vail Lake area, westerly draining canyon a N base of 'Big' Oak Mtn. 640 Comment
  POM47433  Heterotheca fastigiata Mary F. Spencer 1919-7-8 1268 Riverside Edge of woods, Idyllwild, San Jacinto Mts 1616 Comment
  SEINET11266844  Heterotheca grandiflora N. Duane Atwood, L. Stritch 1993-4-2 17869 Riverside Aqua Tibia Wilderness, Palomar Ranger District.; 0 671 Comment
  UCR194221  Heterotheca grandiflora Scott D. White, Angelia Carey 2004-6-4 10469 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR92775  Heterotheca sessiliflora subsp. fastigiata F. M. Reed 1933-9-20 8083 Riverside San Jacinto Mtns., N shore of Hemet Lake 1525 Comment
  RSA0063011  Heuchera E. C. Jaeger 1939-5-28 s.n. Riverside Pinon Alta Flats. 1828 Comment
  RSA0021681  Hibiscus denudatus Jim Andre 2013-3-27 24814 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  RSA698121  Hibiscus denudatus W. Marquart 1938-3-12 s.n. Riverside 10 miles west of Blythe. Comment
  RSA792932  Hibiscus denudatus Aaron C. Sedgwick, Joella Simons Adkins 2012-10-24 145 Riverside Graham Pass Rd. in the Chuckwalla Mtns. ~1 mi. north of Graham Pass. 421 Comment
  UC665768  Hibiscus denudatus Ira L. Wiggins 1941-3-27 9691 Riverside 8.2 mi. w. Shaver's Summit Comment
  OBI21905  Hilaria rigida Robert F. Hoover 1966-10-15 10179 Riverside Bighorn Dr, San Jacinto Mts Comment
  RSA0099448  Hilaria rigida Duncan S. Bell, Evan Meyer 2014-10-29 7692 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
  UC519796  Hirschfeldia incana Joseph Andorfer Ewan 1932-7-9 7992 Riverside 1 mi N of Rincon (Chino Creek bottoms at Santa Ana River) Comment
  SEINET2061522 Image available Hoffmannseggia glauca Norman C. Cooper 1949-4-8 3322 Riverside Blythe, low place in desert 259 Comment
  CAS-BOT-BC206104  Hoffmannseggia microphylla C. Epling; Wm. Robison; Wm. Stewart 1936-3-22 s.n. Riverside Painted Canyon, near Mecca Comment
  RSA0080315  Hoffmannseggia microphylla Sarah J. De Groot, Duncan S. Bell, Cheryl Sevilla 2015-2-10 7359 Riverside Bear Creek drainage, east fork; east side of Santa Rosa Mountains, south of La Quinta, west of Lake Cahuilla. 195 Comment
  RSA741080  Holcus lanatus Scott D. White, Justin M. Wood 2008-6-16 12108 Riverside Fobes Canyon, +- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  RSA654571  Hordeum arizonicum Marion P. Harthill 1976-5-6 s.n. Riverside Rancho California. [county not specified] 762 Comment
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May 20 2012
  POM263178  Hordeum brachyantherum subsp. californicum J. C. Roos 1937-5-10 429 Riverside Lake Elsinore. Comment
  SEINET271517 Image available Hordeum intercedens A. C. Sanders, K. D. Jones; D. Malueg 1996-4-20 18046 Riverside San Jacinto River between Nuevo and Lakeview from 11th to 13th Streets alkaline flats along the east side of the river 433 Comment
  SEINET271519 Image available Hordeum marinum subsp. gussoneanum A. C. Sanders, K. D. Jones; D. Malueg 1996-4-20 18061 Riverside San Jacinto River between Nuevo and Lakeview from 11th to 13th Streets alkaline flats along the east side of the river 433 Comment
  RSA198983  Hordeum marinum subsp. gussoneanum R. F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37589 Riverside Below dam at E end of vernal marsh on Mesa de Colorado, Rancho California 671 Comment
  POM21179  Horkelia clevelandii Fordyce Griffiths Jr. 1908-07 s.n. Riverside Strawberry Valley. 1829 Comment
  POM230988  Horsfordia alata Marjorie D. Clary 1932-3-15 173 Riverside Canyons southwest of Coral Reef Ranch, Coachella at base of Santa Rosa Mountains. 152 Comment
  POM3216  Hydrocotyle umbellata D. L. Crawford 1919-07 s.n Riverside [Unspecified] Comment
  RSA420165  Hyptis emoryi Christopher Davidson, Jones 1980-4-4 9959 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  RSA678349  Hyptis emoryi Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10463 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA704591  Hyptis emoryi LeRoy Gross 2005-3-3 1590 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UCR102719  Hyptis emoryi B. G. Pitzer 1998-1-24 3405 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCSB5693  Hyptis emoryi Haller, John 1960-4-2 Riverside Lower slopes of Orocopia Mountains 1.5 mi S of the junc. of U.S. 60-70 and the S entrance road to Joshua Tree Natl. Mon. 579 Comment
  UCSB45914  Isocoma acradenia Clarke, Oscar 1969-11-10 Riverside Near Whitewater on Hwy. 111, 2 miles southeast of the point where it merges into Interstate Hwy. 10 at Verbenia Ave. Comment
  POM182406  Isocoma acradenia var. eremophila J. B. Feudge 1930-9-25 2067 Riverside Mecca. Comment
  CDA29880  Isocoma menziesii Mike Lahti 2009-10-22 PDR# 1501843 Riverside On banks of Temecula Creek near downtown Temecula. 0 Comment
  UC2015589  Isocoma menziesii Scott D. White 1995-12-30 3802 Riverside Perris Basin SW of Perris, above S bank of San Jacinto River. Comment
  UC699669  Isocoma menziesii var. menziesii Kay H. Beach 1942-10-22 1669 Riverside 5 mi nw Corona (near bridge on River Road, at edge of Santa Ana River floodplain); Santa Ana River 198 Comment
  UC55181  Isocoma menziesii var. vernonioides E. A. Zumbro 1902-10-1 257 Riverside Comment
  UCD133437  Isocoma menziesii var. vernonioides K. Esau 1935-6-21 s.n. Riverside Road to Beaumont. Comment
  CSUSB721  Isomeris arborea David M. Peterson 1966-2-20 660220 12 Riverside 8 miles northeast of Mecca in Box Canyon, on Mecca-to-Joshua Tree National Monument Road. 170 Comment
  JEPS48840  Isomeris arborea Marjorie D. Clary 1932-4-10 898 Riverside Eagle Mountains Comment
  UC917897  Isomeris arborea Frank W. Gould 1944-4-5 2237 Riverside 18 mi e Temecula (near road junction) Comment
  JEPS41097  Iva axillaris subsp. robustior W. L. Jepson and H. M. Hall 1901-5-27 1475 Riverside Cahuilla Valley w Riverside County, Cahuilla Valley Comment
  UCD60369  Jarava speciosa T. B. Salvato; Kent Beaman 2005-5-16 782 Riverside San Jacinto Mtn. foothills. San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy. 74. 549 Comment
  RSA227712  Jepsonia parryi Gary D. Cromwell 1972-2-15 709 Riverside Small canyon canyon off Los Alamos Canyon, 8 mi. SSW of Lake Elsinore and unpaved road #7So4, USDA Forest Serv. map, Trabuco Dist., Cleveland Nat. Forest. 488 Comment
  SD136755  Jepsonia parryi Steve Boyd 1994-10-14 8400 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of Cleveland National Forest. San Mateo Cyn, along San Mateo Trail between N branch of Tenaja Trail and Fisherman's Camp. aong trail on mossy banks in understory of chaparral 427 Comment
  UCR132724  Juglans californica A. C. Sanders, O. F. Clarke 1991-6-10 11128 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR77721  Juglans californica Steve Boyd 1991-3-17 5494 Riverside Jurupa Hills, north of Glen Avon. S flank, just west of Soto St to summit east of Pyrite Cyn. Comment
  RSA0011054  Juglans californica Freda Detmers 1931-6-19 s.n. Riverside Santa Ana Valley Comment
  UCR59816  Juncus balticus Jeri Hirshberg 1989-7-18 s.n. Riverside Vicinity of Lake Skinner: drainage east of the reservoir. Comment
  RSA760325  Juncus bufonius Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55214 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  UCR106052  Juncus bufonius A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20705 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  UCR111606  Juncus bufonius Mitch Provance 1999-5-4 1684 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR158259  Juncus bufonius var. congestus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30104 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
  RSA704866  Juncus effusus subsp. austrocalifornicus J. Russell Bruff 1934-6-19 555 Riverside Idyllwild Comment
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Jul 29 2010
  UCR108836  Juncus effusus subsp. austrocalifornicus O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  UC1106414  Juncus macrophyllus Peter Kamb 1948-7-11 1197 Riverside Hall Canyon San Jacinto Mts. (above stream) 1645 Comment
  RSA0097956  Juncus mexicanus Duncan S. Bell 2014-11-14 7717 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  RSA368245  Juncus mexicanus Lester H. Cushman 1932-5-8 s,n, Riverside Near Pedley, close to Santa Ana R. [River]. Comment
  RSA741263  Juncus mexicanus Scott D. White, Justin M. Wood 2008-7-10 12456 Riverside Fobes Spring 1500 Comment
  UCR159204  Juncus rugulosus A. C. Sanders, Kelly Volansky 2005-8-31 31568 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  RSA592671  Juniperus californica Scott D. White, Duayne Haselfeld 1996-7-2 4263 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  UCR136372  Juniperus californica Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9003 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
  LA202789  Justicia californica Nesta Hutchinson; A. M. Martin 1932-3-26 sn Riverside Shavers Well Comment
  RSA0062479  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40409 Riverside Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction. 124 Comment
  RSA778521  Kallstroemia californica Amber Swanson, Linda Jean Foster 2011-10-8 636 Riverside Large wash off Blythe Rice Rd 270 Comment
  RSA0104499  Kallstroemia parviflora Duncan S. Bell, Sarah DeGroot 2015-9-21 8645 Riverside Santa Rosa Mountains; north side of Asbestos Mountain, approximately 0.5 air mile east of Potrero Spring. 1147 Comment
  SD187479  Keckiella antirrhinoides Scott D. White, Angelia Carey 2004-4-16 10158 Riverside San Jacinto Mountain Foothills, Indian Creek 548 Comment
  UCR125197  Keckiella antirrhinoides Mitch Provance 1998-5-29 559 Riverside Riverside, NW side of North Hill, along the S edge of Lake Evans 274 Comment
  UCR270318  Keckiella antirrhinoides T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8340 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 384 Comment
  UCSB40587  Keckiella antirrhinoides Hendon, E. 1980-5-23 Riverside Along old Banning- Idyllwild Rd; 4 miles east of junction with Hwy. 243 Comment
  CAS-BOT-BC236713  Keckiella antirrhinoides subsp. antirrhinoides Cecil Hart 1922-5-21 s.n. Riverside San Jacinto Pk. Comment
  CAS-BOT-BC236728  Keckiella antirrhinoides subsp. microphylla Philip A. Munz 1937-5-29 15149 Riverside Deep Canyon, north slope of Santa Rosa Mts. 1066 Comment
  RSA0092491  Keckiella antirrhinoides subsp. microphylla Mark E. Fishbein, Victor Steinmann, Ivonne Steinmann, Mark Porter, Stephen Dreher 1999-12-4 4104 Riverside Santa Rosa Mountains, Deep Canyon, just east of California 74. 823 Comment
  JOTR32963  Keckiella antirrhinoides var. microphylla La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2714 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  RSA192064  Keckiella cordifolia E. W. Lathrop 1966-5-31 6348 Riverside Tenaja Range, Fisher man's Creek camp. Comment
  JEPS7926  Keckiella rothrockii var. jacintensis Carl V. Meyer 1928-7-27 557 Riverside San Jacinto Mountains, Round Valley Round Valley; San Jacinto Mountains, Round Valley 2804 Comment
  UCR182818  Kochia scoparia R. E. Riefner Jr. 2006-5-30 06- 214 Riverside Romoland, Sherman Rd. near Ethanac Rd. 440 Comment
  UC1117716  Koeleria macrantha Alan A. Beetle 1946-6-10 4393 Riverside near Idyllwild; San Jacinto Mts., near Idyllwild 1219 Comment
  UC38700  Koeleria macrantha H. M. Hall 1901-6 2429 Riverside San Jacinto Mountains Tauquitz Valley; , Tauquitz Valley 1889 Comment
  UCR2486  Koeleria macrantha F. M. Reed 1907-5-5 1338 Riverside City of Riverside; Fairmont Park 244 Comment
  SD229196  Krameria bicolor Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 891 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  RSA697950  Krameria canescens J. R. Bruff 1928-4-1 81 Riverside Whitewater Comment
  JOTR34066  Krameria erecta La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2963 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  SEINET189444  Krameria erecta Annie M. Alexander, L Kellogg 1941-5-11 2150 Riverside Eagle Mountains Cottonwood Spring 884 Comment
  UCR17325  Krameria erecta Loretta Bates 1978-4-15 s.n. Riverside Chuckwalla Mtns, Corn Springs Road, c. 1 mi east of Corn Springs Campground Comment
  JEPS64829  Krameria grayi Marjorie Clary 1930-4-10 89 Riverside Coachella Valley, Devil's Canyon 91 Comment
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Jun 15 2012
  RSA408599  Krameria grayi Robert Gustafson 1980-5-5 1570 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash. 610 Comment
  UC1543072  Krameria grayi Donald G. Nelson 1936-5-22 394 Riverside on trail down to stream in Palm Springs Canyon (Ribbon Wood Camp, Pines to Palms Highway, near base of Santa Rosa Mountains); near base Santa Rosa Mountains, Pines to Palms Highway Comment
  JOTR01074  Krameria grayi Cole, James E. 1941-5-22 768 Riverside Joshua Tree National Park. RUBY LEE MILL SITE 914 Comment
  RSA0051604  Krameria parvifolia Lee Haines 1952-6-1 s.n. Riverside Palms to Pines Highway. 1158 Comment
  CLARK-A1528-1358  Krameria parvifolia var. imparata John C. Roos 1946-9-14 3006 Riverside San Jacinto Mountains 1066 Comment
  RSA510312  Lactuca serriola Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  UCR121822  Lactuca serriola A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24604 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  UC449758  Langloisia setosissima subsp. setosissima Joseph Grinnell 1910-3-18 Riverside Riverside Mt. Colorado R., Riverside Mt. Comment
  JOTR31951  Larrea tridentata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2188 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  RSA0047318  Larrea tridentata Jim Andre 2014-1-27 26658 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA650092  Larrea tridentata G. Kirstein 1962-4-28 s.n. Riverside Near Indio. Comment
  SDSU11497  Larrea tridentata Marjorie Collier 1951-3-25 Riverside Palm Canyon 5 miles south of Palm Springs Comment
  SEINET10693128  Larrea tridentata var. glutinosa Lewis S. Rose 1945-12-30 Rose 45347 Riverside Palm Springs. 137 Comment
  JEPS30384  Lasthenia coronaria William M. Klein and J. E. Klein 1958-2-9 Riverside 4.5 mi nw Alberhill (Calif. State Hwy. 71) Comment
  UC1563135  Lasthenia coronaria Steve Boyd, Tim Ross, and Laurel Arnseth 1989-4-1 3167 Riverside recent burn in hills just to sw of the dam Vail Lake area 487 Comment
  UC217965  Lasthenia coronaria P. A. Munz and I. M. Johnston 1922-5-19 5349 Riverside 5 mi ne of Murietta 457 Comment
  RSA502915  Lasthenia glabrata subsp. coulteri Ed LaRue 1989-4-7 s.n Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 365 Comment
  UCR162885  Lasthenia glabrata subsp. coulteri Fred M. Roberts 2005-3-3 6134 Riverside San Jacinto Valley, San Jacinto, south side of Ramona Expressway, 0.6km E jct Warren Rd 447 Comment
  UCR92635  Lasthenia glabrata subsp. coulteri G. R. Ballmer 1996-4-14 s.n. Riverside Perris-Aguanga Basin, Lake Elsinore area, south of Hwy I-15 along east side of Nichols Road 384 Comment
  RSA691973  Lasthenia gracilis Scott D. White, Michael Honer 2003-4-2 8909 Riverside Temescal Valley: Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  UC188983  Lasthenia gracilis Lemmon 1880-5-1 1 Riverside San Gorgonio Pass Comment
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Mar 9 2011
  UCR214016  Lasthenia gracilis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37792 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  UCR260572  Lasthenia gracilis T. B. Salvato 2014-5-29 8030 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  UCR137353  Lathyrus vestitus 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
  CDA6769  Laurentia fluviatilis A. C. Sanders 2004-2-14 27388 Riverside Riverside, 11th St. between Almond and Chestnut Comment
  SD173201  Layia glandulosa Juergen Schrenk 2005-4-2 16 Riverside Northern Anza Borrego Desert, White Wash Comment
  SD239606  Layia platyglossa A. C. Sanders, T. B. Salvato 2011-3-28 38807 Riverside Peninsular Range: Perris-Aguanga Basin Region: Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-125 Fwy (Romoland 7.5'Q) 434 Comment
  UC63243  Layia platyglossa H. M. Hall 1901-6-1 2041 Riverside s side San Jacinto Mountains 1341 Comment
  RSA769644  Layia ziegleri Duncan S. Bell, Valentin Arvizu 2010-5-10 978 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. 1349 Comment
  CAS-BOT-BC534386  Lemna gibba Steve Boyd 1986-5-5 1851 Riverside Gavilan Hills, Estelle Mtn.: Head of large cnayon draining the southeast side of Estelle Mtn. Pool near abandoned ranch house Comment
  CLARK-A1528-5692  Lepechinia cardiophylla John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1066 Comment
  GMDRC3750  Lepidium fremontii var. fremontii J. Andre, T. La Doux 2009-3-1 11247 Riverside Little San Bernardino Mountains: Joshua Tree Natl. Park: south end of the Cottonwood Mtns near Pinkham Wash just N. of aquaduct just inside JTNP boundary, approx 7 mi. W. of S. entrance into park at Cottonwood. USGS 7.5 min. Quad: Cottonwood Basin 33 deg. 40.948' N 115 deg. 52.141' W. Elev. 1778 ft. 542 Comment
  CAS-BOT-BC89590  Lepidium lasiocarpum John H. Thomas 1957-3-30 6555 Riverside Colorado Desert. 8.1 miles east of Cactus City, about 20 miles east of Coachella. 426 Comment
  POM48142  Lepidium lasiocarpum E. E. Schellenger 1920-05 s.n. Riverside E of Mecca, Colorado Desert. Comment
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Jun 18 2011
  RSA554366  Lepidium lasiocarpum Theo Glenn 1991-4-9 91 -2 Riverside Big wash in Eagle Mountains. 786 Comment
  RSA726535  Lepidium lasiocarpum Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Lelenad Lubinsky 2005-2-10 1440 Riverside Along Palen Road near Hwy 177. 170 Comment
  RSA777544  Lepidium lasiocarpum var. lasiocarpum Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 904 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  CAS-BOT-BC158125  Lepidium latifolium Abby Sirulnik 2000-5-4 38 Riverside Hidden Valley Wildlife Area; 11401 Arlington Ave., Riverside; along the Santa Ana River near La Sierra 244 Comment
  UC1929668  Lepidium latifolium Scott D. White 2003-6-9 9524 Riverside PERRIS BASIN: Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. Comment
  UCR92069  Lepidium latifolium Scott D. White, S. Ogg 1994-10-17 2479 Riverside City of Temecula, Murrieta Creek channel directly west of Las Haciendas/Del Rio intersection. 314 Comment
  UCR266340  Lepidium latipes D. E. Bramlet 1994-4-22 2371 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 6.7 km SW of Hemet at the Dilworth property, NE of Winchester, north of the railroad tracks and east of California Ave. 457 Comment
  UCR281236  Lepidium latipes Mitch Provance, Jeremiah George 2017-3-23 317- 65 Riverside Elsinore Trough, Lake Elsinore, E side Baker St., about 0.5 miles SE of Pierce St. 677 Comment
  UCR111562  Lepidium nitidum Mitch Provance 1998-5-4 1711 Riverside Jurupa Mountains, SW 'Rattlesnake Mt.', above the Ormand Quarry, c. 1.5 km west of peak 1739 366 Comment
  UCR135814  Lepidium nitidum A. C. Sanders, Guy Bruyea 2004-4-2 27445 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
  RSA653672  Lepidium pinnatifidum A. C. Sanders, K. C. Rose 1999-6-18 22823 Riverside Domenigoni Valley: upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester 433 Comment
  POM13773  Lepidium virginicum var. pubescens E. C. Jaeger 1921-7-14 1190 Riverside Dark Canyon, San Jacinto Mts. Comment
  UCR97684  Lepidium virginicum var. robinsonii A. C. Sanders, G. Helmkamp 1997-3-15 19924 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 549 Comment
  UCR113242  Leptochloa filiformis Mitch Provance 2000-9-11 2242 Riverside Jurupa Hills, Sunnyslope, 0.4 miles NW of Armstrong Rd. on Sierra Blvd. 305 Comment
  UCSB45529  Leptochloa fusca subsp. uninervia Roos, John; Roos, Lucille 1951-10-24 Riverside Flats between Arlington and Pedley 228 Comment
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Apr 2 2011
  RSA628352  Leptochloa panicea subsp. mucronata Steve Boyd 1998-10-4 10293 Riverside Backyard orchard at 4863 Rubidoux Avenue. Comment
  CLARK-A1528-4715  Leptochloa uninervia John C. Roos, Lucille Roos 1951-10-24 5332 Riverside Riverside 228 Comment
  UC1618004  Leptosiphon Donald G. Nelson 1936-5-23 404 Riverside San Jacinto Mountains. Idyllwild, Fern Canyon, among forest of pines. Comment
  POM364530  Leptosiphon ciliatus N. C. Cooper 1944-7-16 1559 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  SD126211  Leptosiphon floribundus subsp. hallii A. C. Sanders, E. J. Lawlor 1988-10-22 8722 Riverside Pinyon Flats area, Santa Rosa Mountains along Horsethief Creek where the trail from the Dolomite Mine crosses, upper margin of the wash (mak 10/07) 1100 Comment
  UCSB37849  Leptosiphon liniflorus Sanders, A. 1980-7-18 Riverside Garner Valley; meadow on the floor of the valley near the junction of the Thomas Mtn. Rd. with Hwy. 7b, about 1 mile SE of the head of Hemet Lake. T 6S, R 3E, SW1/4 of SW2/4 sec. 10 1341 Comment
  UCR266471  Leptosiphon parviflorus Mitch Provance, Robin Kinmont 2015-3-27 315- 50 Riverside Perris-Aguanga Basin Region, French Valley, Leon Rd. (unmarked dirt portion), along SCE transmission route between Benton Rd. and Auld Rd. 411 Comment
  UCR280621  Leptosiphon parviflorus Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 09 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  RSA449969  Leptosiphon pygmaeus subsp. pygmaeus J. C. Roos 1950-4-22 4757 Riverside In the hills NE of the summit of Reche Canyon. 823 Comment
  UCR229518  Lessingia filaginifolia Jeremiah George 2011-9-8 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, Terra Cotta Rd. at Coal Ave, Warm Springs Valley 409 Comment
  UCR3716  Lessingia filaginifolia Frank C. Vasek 1964-7-25 640725- 22 Riverside San Jacinto Mtns, road out of Dark Canyon 1829 Comment
  UCR251993  Lessingia glandulifera var. glandulifera A. C. Sanders, T. B. Salvato 2014-7-2 41157 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCR128890  Leucaena leucocephala A. C. Sanders, E. J. Lawlor, Don Pendleton 1992-3-21 12072 Riverside Sonoran (Colorado) Desert, Coachella Valley, Oasis Date Garden, 4.4 miles north of Mecca on Hwy 111 near Ave. 59 -44 Comment
  POM12424  Lilium parryi Philip A. Munz 1922-9-6 6370 Riverside Meadow N of Tahquitz Valley, San Jacinto Mountains 2226 Comment
  UCR233583  Limonium duriusculum A. C. Sanders, John F. Green 2012-3-26 39993 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, S of I-15 Fwy and c. 390 m east of Horsethief Canyon Rd., N of Kicking Horse Dr. 395 Comment
  UCD166238  Linanthus Jack Major 1962-4-16 774 -bc Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  JOTR16799  Linanthus aureus subsp. aureus Walters, Jim 1967-3-14 s.n. Riverside Joshua Tree National Park. PLEASANT VALLEY 1005 Comment
  SDSU3176  Linanthus ciliatus Bruhns 1965-5-22 109 Riverside Slope around girls' dormitory of desert Sun School in Idyllwild. Yellow Pine Forest. Comment
  UCR103736  Linanthus dianthiflorus A. C. Sanders, G. Helmkamp 1997-3-15 19984 Riverside Lake Skinner area, NE shore of Skinner Lake, SE foot of Bachelor Mtn., NE slopes of a small hill 473 Comment
  UCSB18572  Linanthus dianthiflorus Stock, Karen 1963-5-4 Riverside Banning-Idyllwild road, 2 miles south of Banning 853 Comment
  RSA487446  Linanthus dianthiflorus subsp. dianthiflorus Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  POM13247  Linanthus dianthiflorus subsp. farinosus P. A. Munz, I. M. Johnston 1922-5-19 5361 Riverside 5 miles NE of Murietta. 457 Comment
  UCR78436  Linanthus floribundus Scott D. White 1993-3-15 1192 Riverside Peninsular Range, Elsinore, Hwy 74, just west of NW corner of Lake Elsinore. Dickey Canyon. Comment
  JEPS22523  Linanthus jonesii Rimo Bacigalupi with Paul Hutchison 1958-2-19 6187 Riverside 9.5 mi n Blythe (at w base of the Big Maria Mts.); Big Maria Mts. 167 Comment
  RSA778239  Linanthus jonesii Duncan S. Bell 2009-3-8 44 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 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
  UCR1629  Linanthus parviflorus Leland R. Dykes 1962-5-1 48 Riverside Santa Ana Mtns., Santa Rosa Plateau, San Mateo Canyon [Tenaja] Rd, c. 11 mi. west of Palomar Road [=Washington Ave.] in Murrieta [vicinity of Tenaja Guard Station] 610 Comment
  UCR167979  Linanthus parviflorus T. B. Salvato, John F. Green 2004-5-27 641 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
  UCR172244  Linanthus parviflorus John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley; small unnamed drainage in agricultural field along Leon Road [San Diego Aqueduct right of way] between Van Gaale Lane and Borel Road 412 Comment
  SEINET14377214  Linanthus pungens H. M. Hall 1901-6 2130 Riverside San Jacinto Mountains 1524 Comment
  UCR21908  Linanthus pygmaeus Steve Boyd 1980-5-2 160 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  SDSU8155  Linum lewisii Gerald Collier 1951-5-27 Riverside San Jacinto Mtns. About 4 miles west of Pinon Flats. State Hwy 74, about 10 yds. from roadside. Comment
  UCD170903  Linum usitatissimum T. B. Salvato 1999-5-5 070 Riverside Upper Santa Ana River Basin/San Bernardino Valley, Riverside, residence at 1009 Bascomb Drive. 305 Comment
  RSA0018464  Lithophragma affine Scott D. White 1996-3-31 3859 Riverside Bundy Canyon, SE of Lake Elsinore. About 1 road mile (+/- 0.2 mi) E of Bundy Canyon Road exit from I-15 freeway. +/- 40 ft. S of road along mapped intermittent blueline stream. 450 Comment
  RSA0010982  Lithophragma affine P. H. Raven 1958-5-17 12956 Riverside 7.4 miles south-east of Banning on road to Idyllwild, Sam Jacinto Mountains. Comment
  RSA92551  Lithophragma affine subsp. mixtum J. C. Roos, L. Roos 1954-4-17 6067 Riverside Canyon SE of summit of Reche Canyon. 686 Comment
  CAS-BOT-BC174465  Loeflingia squarrosa Steve Boyd 1986-4-19 1699 Riverside Temescal Canyonk: E side of Indian Wash between I-15 and Temescal Canyon Road Comment
  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
  RSA689548  Loeseliastrum schottii Scott D. White, Michael Honer 2003-4-25 9123 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  SBBG81482  Loeseliastrum schottii S. A. Junak 1983-3-24 1662 Riverside Pinto Basin Rd, 0.7 mi N of Hwy 10 533 Comment
  CAS-BOT-BC342250  Logfia filaginoides S. B. Parish 1884-3-1 1657 in part Riverside Agua Caliente (Palm Springs) Comment
  SDSU14027  Logfia filaginoides Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2098 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  JEPS33563  Logfia filaginoides M. F. Gilman 750 Riverside Comment
  SDSU12928  Logfia gallica Jutta Buschbom 1991-6-1 16 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  SEINET266965 Image available Lolium perenne D. Atwood 1993-3-29 17735 Riverside Huntington Beach along Beach Blvd. ca. 1/2 mi N of beach Comment
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Aug 6 2013
  UCR12587  Lolium perenne Robert Ferrone 1972-5-20 s.n. Riverside Riverside: along banks of Santa Ana River below Union Pacific Bridge near Jurupa Ave. 152 Comment
  RSA595327  Lolium perenne D. L. Banks, Victor Steinmann 1996-4-20 0877 B Riverside Temecula, at Mobil Gasoline Station on Bedford Ct., approximately 0.1 miles E on Hwy 79 from I-15 off ramp. Collected in disturbed field and along wall of adjacent apartment complex, SE of the Gas Station. Comment
  CSUSB461  Lolium perenne subsp. multiflorum Richard Sayre 1972-5-20 Riverside Santa Ana River Santa Ana River; Jurupa Avenue, in city of Riverside. Comment
  RSA612609  Lolium perenne subsp. multiflorum D. L. Banks, Victor Steinmann 1997-3-13 1494 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
  UCR34986  Lomatium mohavense L. B. Ziegler 1969-5-30 368 Riverside San Jacinto Mtns, Hemet Valley 1387 Comment
  CHSC8089  Lonicera subspicata var. denudata Edward L. Smith 1958-3-6 350 Riverside Plant located in Coldwater Canyon, Glen Ivy, Calif. On Temescal Canyon Rd. 762 Comment
  POM88132  Lonicera subspicata var. denudata P. A. Munz 1924-7-29 8853 Riverside Poppet Flat, Idyllwild Road. 1220 Comment
  RSA613857  Lonicera subspicata var. denudata Scott D. White 1997-2-9 4684 Riverside Peninsular Range Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden. 370 Comment
  RSA406724  Lotus argophyllus subsp. argophyllus B. C. Templeton, C. B. Clokey, I. W. Clokey 1930-4-15 1481 Riverside Murray Canyon, Palm Springs 457 Comment
  POM229029  Lotus argophyllus var. argophyllus P. A. Munz 1937-5-29 15155 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  RSA802420  Lotus crassifolius Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5019 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  CSUSB1187  Lotus hamatus Annette Price 1962-5-8 091 Riverside Santa Ana Mountains Santa Ana Mountains. Growing in Foothill woodland along Tenaja Road, 7 miles from Washington Ave. Comment
  RSA180428  Lotus hamatus E. W. Lathrop 1965-5-30 5771 Riverside 6 miles W of Murrieta. Comment
  UC62919  Lotus heermannii H. M. Hall Jun 1901 2022 a Riverside s side Shingle Valley; San Jacinto Mountains 1341 Comment
  SEINET3694584 Image available Lotus humistratus Annie M. Alexander, Louise Kellogg 1941-5-15 2185 Riverside Eagle Mountains 914 Comment
  UC667261  Lotus humistratus Annie M. Alexander and Louise Kellogg 1941-5-15 2185 Riverside n slope Eagle Mountains; Colorado Desert Comment
  POM48827  Lotus nevadensis var. nevadensis P. A. Munz, I. M. Johnston 1924-7-28 8797 Riverside Pine Flats 1738 Comment
  RSA339624  Lotus procumbens R. F. Thorne, C. W. Tilforth 1980-5-28 54164 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  UCR21997  Lotus purshianus Steve Boyd 1980-7-12 329 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA26280  Lotus rigidus Reid V. Moran 1941-5-4 841 Riverside East of Quail Spring, Joshua Tree Nat. Mon. 1300 Comment
  RSA775300  Lotus rigidus Duncan S. Bell 2011-3-18 2057 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  UC864872  Lotus rigidus Lewis S. Rose 1938-12-22 38336 Riverside 15 mi sw Cathedral City (Palms to Pines Highway); San Jacinto Mts. 670 Comment
  RSA522729  Lotus salsuginosus var. salsuginosus Steve Boyd, Tim S. Ross, Laurel Arnseth, Bob Boyd 1990-3-29 3834 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
  UCR91403  Lotus salsuginosus var. salsuginosus Scott D. White 1995-4-5 2719 .1 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  RSA0037335  Lotus scoparius subsp. scoparius Bob Rogers 1984-4-21 15 Riverside Collected along trail and bank area on the west side of Strawberry Creek heading upstream. Starting point was 4.9 miles from Cranston ranger station heading East on Hwy.74. 914 Comment
  UC1929589  Lotus scoparius var. brevialatus Steve Boyd 2007-4-20 11725 Riverside Peninsular Ranges; Perris-Aguanga Basin region; Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of ''Walsh Canyon,'' ca. o.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia azedarach and across from driveway leading t 549 Comment
  CLARK-A1045-875  Lotus strigosus George K. Helmkamp 1977-3-5 Riverside Santa Ana Mountains along Riverside-San Diego County Line at start of Interstate Highway 215; ; southern oak woodland; Temecula 7.5'Q Comment
  CSUSB1249  Lotus strigosus Ronald H. Sauer 1965-4-3 Riverside South side of Big Springs Road about 500 feet from the east end of the street in city of Riverside. 396 Comment
  RSA660552  Lotus strigosus Lydia Paneri 1982-4-17 11 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  SEINET3004995  Lotus strigosus G. Rink, M. Baker 2011-4-3 10423 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 170 Comment
  UCR103565  Lotus strigosus George K. Helmkamp, E. A. Helmkamp 1998-2-18 2718 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR116984  Lotus strigosus A. C. Sanders, T. B. Salvato 2001-5-3 24079 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  VVC945  Lotus strigosus G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2718 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi S of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  RSA359880  Lotus strigosus Steve Boyd 1986-4-2 1601 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA708492  Lotus strigosus var. tomentellus Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10888 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills , just east of Coachella Canal. 24 Comment
  POM265128  Lotus tomentellus I. L. Wiggins 1937-3-9 8766 Riverside Sand dunes 20 miles north of Indio. Comment
  UCR16277  Lotus tomentellus David Eslinger 1970-4-25 s.n. Riverside Colorado, 2 mi. N [of junction of] Interstate Hwy 10 and State Hwy 195 into Joshua Tree National Monument [now J.T.N. Park], 200 ft. NW of road 610 Comment
  UC1929852  Ludwigia peploides subsp. peploides Scott D. White, Lynn Stafford 2007-6-27 11753 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. Comment
  RSA568836  Lupinus Christopher Davidson 1979-4-4 7678 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  POM349939  Lupinus arizonicus Robert Gustafson 1978-3-21 843 Riverside Joshua Tree National Monument, about 4 miles from the junction of the road leading through the park and Hwy 70. 640 Comment
  RSA758323  Lupinus arizonicus Doug Goldman 2005-3-3 3028 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  SD224964  Lupinus arizonicus G. K. Helmkamp, E. A. Helmkamp 1998-2-5 2678 Riverside Little San Bernardino Mtns, 3.2 mi. N of jct of Thousand Palms Canyon Rd & Dillon Dr. 456 Comment
  UCR216494  Lupinus arizonicus Jim Andre, T. La Doux 2009-3-10 11244 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  CLARK-A1656-770  Lupinus bicolor Theo Glenn 1982-3-24 Riverside Snow Creek Comment
  POM305804  Lupinus bicolor Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1055 Riverside Elsinore. Comment
  UCR117219  Lupinus bicolor B. G. Pitzer 2000-4-20 4124 Riverside Mead Valley, Air Force property bordering Nandina Road, across from (N of) the T-intersection with Brown Street. 515 Comment
  UCR225578  Lupinus bicolor A. C. Sanders, T. B. Salvato 2011-3-29 38875 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  RSA771626  Lupinus concinnus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4996 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 732 Comment
  SD249688  Lupinus concinnus J. M. Andre 2013-3-27 24808 Riverside Region: CA-SonM; Rice Valley east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 241 Comment
  LA205096  Lupinus excubitus Elizabeth McClintock; 1938-7-17 sn Riverside San Jacinto Mountains, near Pine Cove Comment
  SD137768  Lupinus excubitus var. hallii Darin L. Banks, Steve Boyd 1995-4-5 146 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, west of the Dripping Springs Trail, on alluvial terraces of the west fork of Arroyo Seco 573 Comment
  UCR84571  Lupinus excubitus var. hallii Steve Boyd 1986-4-22 1750 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  RSA413637  Lupinus formosus var. formosus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  SEINET10485442  Lupinus hyacinthinus David B. Dunn 1946-8-18 Dunn 2745 Riverside Series from round valley to withing 700 ft. Below the top of san jacinto mt. Comment
  POM123547  Lupinus latifolius subsp. parishii Philip A. Munz, I. M. Johnston 1924-7-27 8729 Riverside Deer Springs, San Jacinto Mts 2500 Comment
  RSA90133  Lupinus latifolius subsp. parishii E. K. Balls, Percy C. Everett 1953-8-19 18532 Riverside North of Fullermill Co., 1.3 miles north of Black Mt, Truck Trail, hwy from Banning to Idyllwild 1829 Comment
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Jul 14 2012
  UCR17750  Lupinus microcarpus var. densiflorus 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
  RSA764578  Lupinus microcarpus var. horizontalis M. Wall 2010-5-10 561 Riverside East Hemet off Florida Ave. (Hwy 74) east of Lake Street, ca. 0.5 miles west of jct. with Mountain Ave [Ramona Expy]. 518 Comment
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May 22 2012
  RSA413800  Lupinus nanus subsp. nanus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  POM122476  Lupinus shockleyi Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  SEINET7073442 Image available Lupinus sparsiflorus A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  UCR177114  Lupinus sparsiflorus Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1104 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  RSA0074211  Lupinus sparsiflorus Leota Brice 1930-4-13 s.n. Riverside Idylwild. [San Jacinto mountains]. Comment
  RSA607352  Lupinus sparsiflorus subsp. sparsiflorus R. S. Woglum 1938-5-1 1612 Riverside Peninsular Ranges: San Jacinto Valley; Hemet. Comment
  UCR60537  Lupinus succulentus C. W. Tilforth, W. Wisura 1979-4-11 1788 Riverside hills at south side of Lake Skinner, east of Murrieta 427 Comment
  CLARK-A1528-4347  Lycium andersonii John C. Roos 1938-4-27 19 Riverside Riverside Comment
  RSA775937  Lycium andersonii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 947 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  SD146227  Lythrum hyssopifolia A. C. Sanders 1998-5-21 21871 Riverside Hemet; alkaline flats west of town, along Stetson Ave. west of Warren Road. 456 Comment
  UCR93099  Machaeranthera cognata F. M. Reed 1931-4-11 6919 Riverside Western Colorado Desert, 'Red Canyon' north of Mecca [= Painted Canyon?] 152 Comment
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Nov 24 2011
  POM50096  Malacothamnus fasciculatus E. C. Jaeger 1925-5-18 s.n. Riverside Perris. Comment
  RSA0124287  Malacothamnus fremontii Duncan S. Bell 2016-4-16 9327 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  POM12044  Malacothrix californica Mary F. Spencer 1921-4-16 406 Riverside Banning 701 Comment
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Mar 13 2011
  UCR139155  Malacothrix californica S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1159 Comment
  UCR87630  Malacothrix clevelandii A. C. Sanders 1994-5-30 14586 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  CAS-BOT-BC347693  Malacothrix glabrata H. M. Hall 1905-5-1 6028 Riverside Colorado Desert. Near Pinto Mts. Comment
  JOTR36447  Malacothrix glabrata La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3417 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
  POM362322  Malacothrix glabrata Ora M. Clark 1929-3-16 1693 Riverside South of Cabazon. Comment
  RSA588175  Malacothrix saxatilis var. tenuifolia D. L. Banks, Victor W. Steinmann 1995-7-10 0743 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. 560 Comment
  RSA501072  Malosma laurina Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3190 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  SDSU13589  Malosma laurina W. Miller, C. Mosse 1972-7-5 Riverside Comment
  POM293100  Malva sylvestris Lyman Benson 1946-4-15 12016 Riverside 6 miles SE of Redlands 610 Comment
  UC403438  Mammillaria dioica L. J. Childs 1925-1-5 Riverside Deep Creek Canyon Colorado Desert, Santa Rosa Mts. (mouth) Comment
  SD187395  Marah macrocarpa Scott D. White, Angelia Carey 2004-4-16 10153 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes (Lake Fulmor Quad: coordinates given) 548 Comment
  UCD106738  Marina parryi Steve Boyd; Thomas S. Elias and Erika Winter 1986-2-18 1319 Riverside Mecca Hills, Colorado Desert: Painted canyon N of Hwy 195. Comment
  UCR245965  Marina parryi Duncan S. Bell 2009-3-9 101 Riverside Arica Mountains, SE section of the range, c. 1.2 air miles from Priest Well, or c. 6.5 air miles SW of ghost town of Rice 307 Comment
  SD260170  Matelea parviflora A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40515 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, Chuckwall Bench area on S side of Chuckwall Mountains, 8.9 km SE of Gasline Rd, at narrow wash crosing (Red Cloud Canyon 7.5'Q) 701 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
  RSA753475  Matricaria discoidea Scott D. White, Justin M. Wood 2009-5-21 12854 Riverside San Jacinto Mountains: Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  RSA651342  Matthiola incana John Edwin Burns 1948-2-25 s.n. Riverside Riverside. 304 Comment
  UCR241206  Meconella denticulata Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 253 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  RSA593899  Medicago polymorpha Steve D. Boyd, David E. Bramlet 1996-4-19 8608 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UCR37473  Medicago polymorpha Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills, Gavilan Hills, section 34, where road crosses stream [SE of Gavilan Springs Ranch] 640 Comment
  UCR95244  Melaleuca citrina D. L. Banks, E. H. Banks 1996-5-2 956 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
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Jun 5 2006
  CAS-BOT-BC47746  Melia azedarach A. C. Sanders 2006-5-11 32269 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. 388 Comment
  SBBG64311  Melica frutescens C. Bornstein 1994-5-2 Riverside Randolph Ranch, Joshua Tree Nat Monument 1280 Comment
  SEINET175791 Image available Melica frutescens M. E. Jones 1882-4-25 3554 Riverside San Jacinto Comment
  CAS-BOT-BC281598  Melica imperfecta H. M. Hall 1899-5-21 1134 a Riverside San Jacinto Mts 1676 Comment
  CAS-BOT-BC281601  Melica imperfecta W. A. Silveus 1938-4-16 2647 Riverside Near Elsinore Comment
  CLARK-A1528-5188  Melica imperfecta John C. Roos 1950-4-29 4771 Riverside Box Springs Mountains 609 Comment
  RSA0011411  Melica imperfecta Duncan S. Bell, Caitlin Elam 2013-5-21 4967 Riverside On the southern side of West Ridge at the southern end of Strawberry Valley about 1.75 air miles southwest of Idyllwild. 1592 Comment
  RSA403495  Melica imperfecta Ora M. Clark 1929-3-16 1700 Riverside San Jacinto Mountains Comment
  SD137951  Melica imperfecta Darin L. Banks, Steve Boyd 1995-5-3 273 Riverside N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove area, along the lower alluvial benches of Arroyo Seco 512 Comment
  SEINET7072832  Melica imperfecta A. G. Vestal 1963-5-19 s.n. Riverside Among granite boulders about 0.9 miles west of Radec on Route 79 [old 71]. Coordinate datum: WGS84/NAD83. (33? deg. 28' 2" North Latitude, -116? deg. 55' 39" West Longitude, Coordinate datum: NAD27.). Comment
  UC818862  Melica imperfecta C. L. Hitchcock 1940-4-12 6042 Riverside 8 mi nw Elsinore 457 Comment
  UCR121175  Melica imperfecta D. E. Bramlet 1990-4-27 1992 Riverside Peninsular Range, Ridgeline 2100-2500 ft. (c. 0.4 mi.) NE of knoll '2502,' and 1200-1500 ft. (~ 0.21 mi.) west of Rawson Canyon 671 Comment
  UCR2544  Melica imperfecta F. M. Reed 1906-3-17 925 Riverside Riverside. south fork of Arroyo Tequesquite, opposite bee ranch. Comment
  RSA0029101  Melica imperfecta John F. Emmel 1989-4-5 1120 Riverside along road 0.3 air mi south of Alvin Meadow spring, west of Idyllwild. 1500 Comment
  UC63738  Mentha pulegium H. M. Hall Jul 1897 770 Riverside San Jacinto Mt. Comment
  RSA543849  Mentha spicata Steve Boyd, Orlando Mistretta 1991-5-22 6315 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  HSC78582  Mentzelia albicaulis G. K. Helmkamp 1983-3-24 3836 Riverside Chuckwalla Valley, at junction of the Graham Pass & Chuckwalla Springs Rd. 229 Comment
  RSA682849  Mentzelia involucrata Scott D. White 2003-3-23 8842 Riverside Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  SEINET226233  Mentzelia longiloba A. C. Sanders 1983-5-22 3834 Riverside Along Kelbaker Road at the east end of the Kelson Dunes, 2.2 miles SE of Kelson. 655 Comment
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May 18 2015
  UC19591  Mentzelia montana H. M. Hall May 1899 1121 Riverside San Jacinto Mountains, Strawberry Valley 1615 Comment
  SBBG4879  Mentzelia nitens H. and M. Dearing 1949-4-16 6749 Riverside Cottonwood Spring Comment
  HSC85400  Mesembryanthemum nodiflorum Steve Boyd 1986-4-19 1713 Riverside Temescal Canyon, Warm Springs Valley, Alberhill Creek E of Nichols Rd. 366 Comment
  UCR281248  Microseris douglasii subsp. platycarpha Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 38 Riverside Temescal Valley, East side of Campbell Ranch Rd., +- 500 ft. north of Indian Truck Trail. 361 Comment
  UCR107827  Microseris lindleyi D. L. Banks 1997-5-5 2006 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  POM8579A  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2292 Riverside Butte due W. of Lakeview. 610 Comment
  RSA525702  Mimulus aurantiacus var. pubescens Steve Boyd, Tim S. Ross 1990-5-11 4640 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
  UCR182500  Mimulus aurantiacus var. pubescens Andrea Salzman, Carlos Navarro 2006-4-5 27 Riverside Peninsular Range, Sycamore Canyon park, Riverside, N of Alessandro Blvd. and SW of Box Springs Siding 457 Comment
  UCR182375  Mimulus aurantiacus var. puniceus Andrea Salzman, Diane Menuz, Carlos Navarro, Ricky Escobar, Theresa Johnson, Angela Hyder 2006-3-21 18 Riverside Peninsular Range, Black Hills NE of Oak Mountain 793 Comment
  UCR133024  Mimulus bigelovii Bern Schwenn 1998-5-4 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mountains, nameless canyon below Carey's Castle, NW of Red Butte Wash, c. 3 miles east of Chiriaco Summit and 1 mile or so north of I-10 640 Comment
  UCR20882  Mimulus brevipes A. C. Sanders 1978-7-3 619 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  UCR48411  Mimulus brevipes Steve Boyd 1986-4-22 1737 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  CAS-BOT-BC9465  Mimulus diffusus Barbara Ertter; Jeffrey L. Strachan 1980-5-21 3483 Riverside Santa Rosa Mountain road (Forest Road 7S02) ca. 2 miles south of Highway 74 (Pines to Palms Highway) 1584 Comment
  SBBG118782  Mimulus floribundus S. D. White 1999-6-6 7441 Riverside near Idyllwild Community Service District sewage ponds at terminus of USFS Rd 5S24.2; T5S R2E boundary of S15/22 1430 Comment
  RSA535568  Mimulus fremontii var. fremontii David M. Thompson 1988-4-8 869 Riverside 0.4 mi S of Indian Valley Truck Trail interchange (I-15) along frontage road on NE side of I-15. Between I-15 and frontage road near summit of S bank of Indian Creek. 351 Comment
  CLARK-A1528-4252  Mimulus guttatus Art Whistler 1966-4-24 2 Riverside Deep Canyon Comment
  CSUSB888  Mimulus guttatus Rex Sanders 1973-5-13 Riverside Santa Ana Mountains Collected at 2nd creek crossing Los Pinos forestry camp road 0.7 miles from Highway 74 turnoff; Cleveland National Forest, Santa Ana Mountains; 1 meter from stream, 20 meters from road. 609 Comment
  RSA717679  Mimulus guttatus A. C. Sanders 2004-5-5 27781 Riverside Gavilan Hills; route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak. 579 Comment
  UCR215616  Mimulus guttatus Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 03 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  CAS-BOT-BC9644  Mimulus palmeri H. M. Hall 1900-6-1 1449 Riverside Lytle Creek Canyon 1767 Comment
  JEPS79795  Mimulus parishii Marjorie D. Clary 1932-6-5 1634 Riverside Eagle Canyon, w side of Colorado Desert Eagle Canyon; Colorado Desert 182 Comment
  UCR110973  Mimulus parishii George K. Helmkamp 1998-6-27 4100 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
  CLARK-A1528-4266  Mimulus pilosus Pete Holliday 1969-5-19 71 Riverside Riverside Comment
  RSA192071  Mimulus pilosus E. W. Lathrop 1960-5-27 5211 Riverside 6 miles west of Murrieta. Comment
  UCR202244  Mimulus pilosus 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
  RSA788962  Mimulus puniceus Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49535 Riverside Santa Ana Mountains: along Ortega Highway (74) Comment
  HSC85301  Minuartia douglasii Steve Boyd 1986-5-7 1849 Riverside Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, S of I-15 Comment
  UCR13751  Mirabilis bigelovii var. retrorsa N. R. Zabriskie, W. W. Zabriskie 1971-2-15 340 Riverside Western Colorado Desert/ San Jacinto Mtns, North Canyon, Andreas Canyon drainage, E slope San Jacinto Mtns. 427 Comment
  UCR101799  Mirabilis californica George K. Helmkamp, E. A. Helmkamp 1997-3-5 1319 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  UCR97468  Mirabilis californica A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19886 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  UC1136585  Mirabilis laevis var. crassifolia R. St. John 1931-2-13 184 Riverside Rome Hill Elsinore 1310 Comment
  POM91014  Mirabilis laevis var. crassifolia E. C. Jaeger 1925-12-22 s.n. Riverside Aguanga Comment
  RSA701029  Mirabilis laevis var. glutinosa Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  CAS-BOT-BC434835  Mirabilis laevis var. retrorsa B. Trowbridge 1979-4-17 6100 Riverside Lower Cottonwood Springs Wash, north of Interstate 10 762 Comment
  OBI12186  Mirabilis laevis var. retrorsa Tracey & Viola Call, Viola Call 1962-4-6 2118 Riverside 4 mi W of Desert Hot Springs at rd jctn 213 Comment
  OBI78318  Mirabilis laevis var. retrorsa P. A. Holden 1969-4-3 696 Riverside Just W of hwy 62 and N of Mission Crk at foot of Morongo Pass Comment
  RSA698207  Mirabilis laevis var. retrorsa J. R. Bruff 1928-4-1 76 Riverside Whitewater Comment
  CAS-BOT-BC434883  Mirabilis multiflora var. pubescens Steve Boyd 1991-9-8 6434 Riverside Aguanga Valley, sandy wash of Temecula Creek, S of Hwy 79 at jtn with Hwy 371. 600 Comment
  JEPS9872  Mohavea confertiflora Dr. L. M. Newlon 1922-4-4 461 Riverside Mount San Jacinto, Palm Canyon Palm Canyon; Mount San Jacinto, Palm Canyon Comment
  RSA408760  Mohavea confertiflora Robert Gustafson 1980-4-3 1518 Riverside Orocopia Mountains, about 15 miles E of Mecca on Box Canyon road, thence about 2 miles S along dirt road 579 Comment
  RSA550268  Mohavea confertiflora Walter Wisura, J. Dolan, M. Wall 1992-3-24 4628 Riverside Low desert: 10 mi NE of Mecca on Box Canyon Rd. Comment
  UC673535  Mohavea confertiflora H. L. Mason 1928-3-10 4209 Riverside Coachella Mountains, Hidden Springs Canyon Hidden Springs Canyon; Coachella Mountains, Hidden Springs Canyon Comment
  SEINET10898255  Mohavea confertiflora R. P. Levine, H. S. Brown 1947-4-12 Levine 6 Riverside Wash, pushwalla canyon, indio hills. Comment
  RSA0078218  Mollugo cerviana Sarah J. De Groot, Duncan S. Bell 2015-9-21 7586 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Along Carrizo Road just north of Highway 74. 1053 Comment
  CDA6774  Momordica balsamina G. D. Barbe 1973-10-19 1736 Riverside North side of Tampico Calle at Ramirez, La Quinta. 0 Comment
  CHSC116478  Monardella lanceolata R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49544 Riverside Santa Ana Mountains: along Ortega Hieghway (74), perhaps 1/4 mile west of El Cariso. Comment
  RSA160555  Monardella lanceolata var. lanceolata J. D. Olmsted 1959-8-18 783 Riverside Reservoir Hill at Desert Sun School near Idyllwild. 1646 Comment
  RSA401571A  Monardella lanceolata var. lanceolata Albert J. Perkins 1916-9-20 s.n. Riverside Tahquitz Valley. Comment
  LA96106  Monardella nana Elizabeth McClintock; 1941-6-8 60 Riverside rd to Santa Rosa Mts. 1.5 mi above Pines to Palms Hwy Comment
  RSA401636A  Monardella nana subsp. arida Christopher Davidson 1978-6-15 7390 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  RSA282904  Monardella nana subsp. tenuiflora C. W. Tilforth 1980-7-15 2075 Riverside South of Thomas Mountain Campground along Thomas Mountain Road, south of Lake Hemet & west of Highway 74. Comment
  RSA680517  Monardella nana subsp. tenuiflora Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8636 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
  UCR221466  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 113 Riverside Peninsular Range; San Jacinto Mtns., on slope south of Strawberry Creek, and west of the sawmill at Domengonio [Domenigoni] Flats [vicinity of West Ridge, near Camp Emerson & USC Idyllwild campus] 1646 Comment
  UCR221473  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 117 Riverside Peninsular Range; San Jacinto Mtns., on the Idyllwild road, a short distance below the Keen Camp turn off, in canyon where the Pseudotsugas first occur 1479 Comment
  SEINET10895197  Monardella nana subsp. tenuiflora A. Graff 1993-6-23 Graff 39 Riverside San Bernadino National Forest, San Jacinto Mtns. From Hwy. 243, take Black Mtn. Rd. (USNFS Rd. 4S01) to junction with USNFS Rd. 4S02 and go 0.1 mile down 4S02. Monardella nana is on the right roadside. T4S,R2E,S23. Dry, gravelly, shaded, gentle slope. Locally sparse, with Pinus ponderosa, Arctostaphylos pringlei, Lotus scoparius, Bromus orcuttianus, Elymus elymoides, Elymus glaucus. Need USNFS permission to collect. Comment
  RSA797240  Monardella odoratissima subsp. australis Robert F. Thorne, Walter Wisura 1977-9-17 50769 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  JEPS31427  Monoptilon bellidiforme W. L. Jepson 1928-4-25 12607 Riverside about 1 mi below Cottonwood Springs; Eagle Mts. Comment
  RSA191455  Muhlenbergia asperifolia E. W. Lathrop, Robert F. Thorne 1967-9-26 6621 Riverside 6 miles NW of Murrieta., 1 mi W of Santa Rosa Ranch. Comment
  CAS-BOT-BC275251  Muhlenbergia microsperma Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-21 6436 Riverside Big Maria Mountains, 12 airline miles N of downtown Blythe 289 Comment
  UCR22040  Muilla maritima Steve Boyd 1980-5-11 240 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  RSA0010811  Myoporum laetum Mitch Provance 1998-6-6 690 Riverside Jurupa Mountains: Jensen Quarry, Sunnyside area on W side of Sierra Blvd., just E of corner of 29th St. and Scenic Drive. 305 Comment
  UC218013  Myosurus minimus P. A. Munz and I. M. Johnston 1922-5-20 5461 Riverside Hemet Valley, pool at Kenworthy; San Jacinto Mts 1432 Comment
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Mar 25 2011
  RSA356987  Myosurus minimus subsp. apus Robert F. Thorne 1973-5-23 43866 Riverside Santa Rosa Plateau-Mesa De Colorado. 610 Comment
  SD37311  Myosurus minimus var. filiformis Edith A. Purer 1936-4-6 6880 A Riverside Vernal pool, south of Elsinore Comment
  CDA19114  Najas guadalupensis R. W. Schaffer 2001-4-16 PDR 1244191 Riverside Growing in nursery at Shaynes Aquarium and Ponds, 38-995 Rancho Los Coyote, Bermuda Dunes. 0 Comment
  RSA614810  Najas marina L. C. Wheeler 1953-3-30 7033 Riverside Alligator Slough on the Colorado River. Comment
  RSA421111  Nama demissa I. W. Clokey 1935-4-17 6812 Riverside Cottonwood Springs. Comment
  SEINET7106399  Nama demissa var. demissa Leigh A. Johnson, J. Mark Porter 1997-3-7 97 -003 Riverside Whitewater Canyon, south slopes of San Bernardino Mtns, just N of I-10. Between Whitewater River and Whitewater Canyon road, about 50 yards from road.; 0 500 Comment
  RSA19236  Nama demissa var. deserti I. W. Clokey 1935-4-17 6812 Riverside Cottonwood Springs. Comment
  POM9615  Nama demissa var. deserti H. M. Hall 2770 Riverside Coyote Canyon. Alt 500ft 152 Comment
  CSUSB112  Nama demissum Barry A. Vittor 1966-3-11 Riverside Rancho Dos Palmas, 2 miles northeast of Salton Sea State Park. 30 Comment
  RSA796498  Nama hispida var. spathulata Jim Andre 2012-3-19 21340 Riverside Chuckwalla Valley. Along unnamed dirt road 0.3 mi N of Hwy 177, 5.7 mi NE of Jct with I-10 freeway. 157 Comment
  NY1082244  Nama hispidum var. spathulatum N. H. Holmgren 1973-3-21 6451 Riverside Blythe-Rice road, 17 airline miles north-northwest of Blythe 259 Comment
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Mar 3 2013
  RSA496122  Nassella cernua Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2999 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  CAS-BOT-BC260109  Nassella pulchra S. B. Parish; W. F. Parish 1882-6-1 1550 Riverside Base of San Jacinto Mountain Comment
  RSA192229  Nassella pulchra E. W. Lathrop 1960-4-28 4767 Riverside 14 miles west of Murrieta Comment
  RSA562482  Nassella pulchra Steve Boyd, Timothy S. Ross 1992-5-5 7254 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  UCD87689  Nassella pulchra Scott D. White; Michael Honer 2004-4-6 10060 Riverside Perris/Elsinore Basins. Temescal Valley, just north of the I-15 freeway and east of Indian Truck Trail, south and est of Lee Lake. 335 Comment
  RSA740838  Nasturtium officinale Scott D. White, Justin M. Wood 2008-7-8 12401 Riverside Johnson Meadow. 1439 Comment
  POM10420  Navarretia atractyloides R. Johnson 1905-06 s.n. Riverside West Riverside Comment
  UC1333285  Navarretia hamata subsp. hamata Charles B. Fiker 1946-6-17 3583 1/2 Riverside San Mateo Canyon Comment
  UC718523  Navarretia hamata subsp. hamata Carl B. Wolf 1936-6-17 Riverside 1.4 mi off Ortega Highway (Tenaja Road, on road to La Cienega); Santa Ana Mts. 609 Comment
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Sep 24 2011
  UCR228736  Navarretia intertexta Jeremiah George 2011-8-8 s.n. Riverside Peninsular Range, north of Lake Elsinore and south of Nichols Rd. 395 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
  RSA0126424  Nemacladus longiflorus var. longiflorus F. M. Reed 1925-5-26 5140 Riverside Horsetheif Canyon. 762 Comment
  SEINET4853073  Nemacladus rubescens var. tenuis H. M. Hall 1905-4-17 5819 Riverside Eastern base of Indio Mountain, Colorado Desert. 150 Comment
  RSA0006294  Nemacladus rubescens var. tenuis H. M. Hall 1905-4-17 5819 Riverside Eastern Base of Indio Mtn. Colorado Desert. 150 Comment
  JEPS78489  Nemacladus sigmoideus W. L. Jepson 1928-4-25 12601 A Riverside Cottonwood Springs; Colorado Desert, Eagle Mountains 731 Comment
  RSA517834  Nemacladus tenuis var. aliformis Steve Boyd, Orlando Mistretta 1986-3-13 1460 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UC665893  Nemacladus tenuis var. aliformis Ira L. Wiggins 1941-3-27 9671 Riverside 8 mi ne Desert Center (s end of Coxcomb Mountains); Coxcomb Mountains Comment
  UCD120076  Nemophila menziesii Robert C. Bechtel 1952-3-28 25 Riverside Perris. 443 Comment
  UCSB10586  Nemophila menziesii Wedberg, H. 1957-3-22 Riverside Hwy. 71, near Alberhill Comment
  RSA667126  Nerium oleander A. C. Sanders 2000-12-17 23729 Riverside Corona, SW side of I-15, between Taber and Ontario Streets 277 Comment
  RSA654980  Nicotiana attenuata A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22295 Riverside San Jacinto Mtns.: Anza area, 1.1 mi. SE of Hwy 371 on Burnt Valley Rd., at northward bend in road. 1341 Comment
  UC489083  Nicotiana attenuata C. V. Meyer 1928-7-26 523 Riverside 0.5 mi e Dutch Flat; San Jacinto Mts. 1828 Comment
  RSA544378  Nicotiana bigelovii var. wallacei Steve D. Boyd, Tim S. Ross 1991-6-14 6393 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
  UCR166856  Nicotiana clevelandii Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  UCR91736  Nicotiana glauca A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18098 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  SBBG70578  Nicotiana obtusifolia M. N. Ackley 1928-3-31 971 Riverside Painted Cyn 76 Comment
  UC520043  Nicotiana obtusifolia A. N. Dunn and A. M. Martin 1932-3-26 Riverside Box Canyon Comment
  UC884674  Nicotiana obtusifolia C. L. Hitchcock 1940-3-31 5889 Riverside between Cottonwood Spring Pinto Basin Comment
  UCR1582  Nicotiana quadrivalvis R. L. Needham 1962-4-27 10015 Riverside Peninsular Range, 3 mi NE of Nuevo [near Lakeview] 488 Comment
  RSA628244  Nolina bigelovii A. C. Sanders, G. K. Helmkamp, O. F. Clarke, B. Pitzer, et al. 1996-11-9 19645 Riverside Colorado Desert: Orocopia Mountains., near ''Bob's Cabin'', 5 mi. (air) S of Hayfield Pump Station, E of Maniobra V., central sect. of (N of peak 2552 to BMk 1899) arroyo. 610 Comment
  SEINET10389838  Nolina bigelovii A. C. Sanders, Jim Malusa 2015-9-12 41883 Riverside Chocolate Mountains Aerial Gunnery Range, just south of Bradshaw Trail, c. 2.4 km west of the Dupont Rd. junction 749 Comment
  CLARK-A1528-5002  Nolina parryi John C. Roos 1965-7-18 Riverside San Jacinto Mountains Comment
  JEPS62091  Nolina parryi W. L. Jepson 1901-5-25 1433 Riverside road from Van Deventer's to Coyote Creek Comment
  UC223684  Notholaena californica subsp. californica I. M. Johnston 1918-4-27 1864 Riverside Between Elsinore and Corona Temescal Canyon 365 Comment
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Mar 4 2008
  RSA314458  Notholaena californica subsp. leucophylla R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55467 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  JOTR29248  Oenothera californica subsp. californica La Doux, Tasha 2005-8-17 1528 Riverside Joshua Tree National Park. Queen Valley, at intersection of Park Blvd. and O'Dell Rd. 1338 Comment
  RSA263905  Oenothera californica subsp. californica C. W. Tilforth 1976-5-22 1208 Riverside Along Miliken Ave. in NW Riverside Co. Comment
  UC63396  Oenothera californica subsp. californica H. M. Hall 1904-5-20 4952 Riverside along S.P.R.R. vicinity of Riverside 262 Comment
  RSA0004528  Oenothera decorticans var. condensata P. A. Munz 1926-1-31 9960 Riverside Dos Palmos Spring, Colorado Desert Comment
  CSUSB208  Oenothera deltoides Steve G. Nelson 1974-4-13 Riverside Two miles north of US Highway 10 on Washington. Found 200 yards from road in sand dunes. 152 Comment
  UCR214560  Oenothera deltoides A. C. Sanders 2010-3-15 37412 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
  SDSU13604  Olea europaea W. Miller, C. Mosse 1972-7-20 Riverside Along northern road, southwest of Shwanigan Ranch. Comment
  CAS-BOT-BC427470  Oligomeris linifolia John Thomas Howell 1928-1-28 3281 Riverside Thousand Palms, Colorado Desert Comment
  POM348466  Olneya tesota Robert Gustafson, Gary D. Wallace 1982-5-19 2559 Riverside Living Desert Reserve, Palm Desert Comment
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Jul 14 2013
  UCD108102  Olneya tesota G. H. Vansell 1928-4-1 s.n. Riverside S. Calif. and Coachella Valley. Comment
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Jun 15 2013
  UCR232355  Oncosiphon piluliferum John F. Green 2008-4-15 0408- 22 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  UCR256754  Oncosiphon piluliferum T. B. Salvato, Matthew Malle 2013-5-20 7568 Riverside Perris-Aguanga Basin, Menifee, east of Railroad Canyon and west of Hyw I-215. Murrieta Road between Newport Road and La Piedra Road 454 Comment
  POM305017  Opuntia engelmannii Lyman Benson 1962-2-17 16140 Riverside 3 miles northeast of Anza. 1067 Comment
  UCR47518  Opuntia leucotricha A. C. Sanders, Mira M. Bogen 1987-5-28 7105 B Riverside City of Riverside, along Van Buren Boulevard, near the bridge over the Santa Ana River, at Riverside sewer plant 244 Comment
  POM296281  Opuntia munzii Clarence Bonner 1960-12-25 s.n. Riverside Chuckwalla Well, south side, in the Little Chuckwalla Mountains. 305 Comment
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Jun 23 2011
  POM288042B  Opuntia phaeacantha David Griffiths 1906-1 8292 Riverside Banning. Comment
  UCR41413  Opuntia phaeacantha A. C. Sanders 1984-4-21 5017 Riverside San Jacinto Mtns., Pinyon Flats, rocky S facing slope south of Hwy 74 and west of the dolomite mine 1220 Comment
  CAS-BOT-BC56231  Opuntia polyacantha var. erinacea C. B. Wolf; P. C. Everett 1938-9-29 9460 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  RSA592690  Opuntia polyacantha var. erinacea Scott D. White, Duayne Haselfeld 1996-7-2 4274 -A 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
  POM285346  Opuntia vaseyi Lyman Benson 1955-12-6 15617 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  SEINET4080621  Orcuttia californica L. M. Boykin, P. M. Hall 2001-1 Riverside Comment
  JEPS85951  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4529 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  JOTR32529  Orobanche cooperi Manson, Stacy 2011-4-6 s.n. Riverside Joshua Tree National Park. southeast Pinto Basin; Pinto Wash, along the road to Pinto Wells 304 Comment
  RSA458996  Osmorhiza brachypoda E. Crow 1929-4-7 317 Riverside East end of Corona Skyline Drive, Santa Ana Mountains. Comment
  POM278946  Oxalis corniculata Lyman Benson 1932-3-26 3184 Riverside Summit Temecula Grade. 610 Comment
  UCR30825  Oxyria digyna Lester H. Cushman 1934-8-10 2249 Riverside San Jacinto Mtns., on San Jacinto Peak 3293 Comment
  RSA392815A  Oxytheca trilobata F. W. Peirson 1929-7-29 5020 Riverside Banning to Idyllwild Road 1768 Comment
  RSA506847  Oxytheca trilobata James L. Reveal, Barbara J. Ertter 1976-6-30 4567 Riverside Santa Rosa Mountains, along the dirt road to Santa Rosa Mountain, 4 miles south of Hwy 74. 1738 Comment
  CAS-BOT-BC327911  Palafoxia arida H. M. Hall 1902-4-1 2768 Riverside Western borders of the Colorado Desert. Coyote Canyon 152 Comment
  POM6184  Palafoxia arida var. arida George B. Grant 6748 Riverside Palm Springs. Comment
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Mar 1 2014
  POM6877  Palafoxia arida var. arida P. A. Munz, L. T. Street, Williams 1919-3-26 2338 Riverside Oasis Date Ranch near Mecca Comment
  RSA341999  Palafoxia arida var. arida R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54117 Riverside Sandy bench along Whitewater River, E of bridge and levee and below W-facing bluff. Comment
  UC166696  Palafoxia arida var. arida Geo. B. Grant May 1-10, 1906 906 -6748 Riverside Palm Springs Colorado Desert Comment
  CAS-BOT-BC253749  Panicum capillare Scott D. White; Steve Ogg 1994-10-17 2489 Riverside Temecula Valley. City of Temecula, Murrieta Creek channel directly W of Cherry Street 315 Comment
  UCR79251  Papaver californicum Steve Boyd, C. Boyd, K. A. Boyd 1992-3-21 6736 Riverside Santa Ana Mtns., San Mateo Cyn. Wilderness area. Tenaja Cyn, along trail from wilderness boundary down stream towards Fisherman's Camp 549 Comment
  CAS-BOT-BC274191  Pappostipa speciosa Peter H. Raven 1958-5-6 12927 Riverside Along State Highway 74, 15.6 miles south-west of Palm Desert, San Jacinto Mountains Comment
  RSA559424  Parietaria hespera var. hespera Steve D. Boyd 1992-4-15 6877 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA0107430  Parkinsonia florida Duncan S. Bell 2009-8-15 422 Riverside West side of the Arica Mountains. 323 Comment
  PASA201  Parosela schottii Stason 1930-3-9 Riverside Painted Canyon Comment
  UCR109746  Paspalum distichum R. E. Orth 1963-8-1 s.n. Riverside Peninsular Range, Temecula Area, Vail Lake 457 Comment
  JOTR30837  Pectis papposa var. papposa La Doux, Tasha, Jim Andre 2008-9-16 347 Riverside Joshua Tree National Park. JTNP; NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.534' N 116 03.098' W 1327 Comment
  OBI15592  Pectis papposa var. papposa Lewis S. Rose 1961-11-24 61063 Riverside La Quinta 15 Comment
  UCR97470  Pectocarya anisocarpa A. C. Sanders 1997-3-1 19754 Riverside Box Springs Mountains, E side of Pigeon Pass Valley c. 1/2 mile NW of Lawless Ranch, east of intersection of Hidden Springs Road and Pigeon Pass Road. 579 Comment
  POM259968  Pectocarya heterocarpa P. A. Munz 1940-3-23 15725 Riverside N end of Pinto Basin mojave desert 915 Comment
  UCR72202  Pectocarya heterocarpa Theo Glenn 1992-3-31 92 19 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  UCR111965  Pectocarya linearis A. C. Sanders, T. B. Salvato 2000-5-25 23419 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  SD137835  Pectocarya penicillata Darin L. Banks, Steve Boyd 1995-5-9 414 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, west of the Dripping Springs Alcove Area. 740 Comment
  UCR86889  Pectocarya penicillata A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16280 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  SDSU18681  Pectocarya peninsularis Kristen Hasenstab, M. G. Simpson 2008-4-1 48 Riverside In Fan Canyon, just inside the boundary for Joshua Tree National Park. Located in a wide desert wash. 640 Comment
  UCR163141  Pectocarya peninsularis A. C. Sanders, G. K. Helmkamp & P. J. MacKay 1995-3-12 16085 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  RSA500996  Pectocarya recurvata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3115 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 524 Comment
  SBBG81514  Pectocarya recurvata S. A. Junak 1983-3-23 1627 Riverside E side of Jefferson Rd opposite entrance to Cahuilla Lake County Park, S of Indio Comment
  SEINET3083986 Image available Pectocarya recurvata P. Leary 1975-2-2 876 Riverside 2.4 miles southeast of White Tank in Wilson's Canyon, Joshua Tree National Monument. Comment
  UCR67351  Pectocarya recurvata Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4062 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn. at east end 793 Comment
  SEINET9337992  Pectocarya setosa Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  SD253463  Pelargonium grossularioides A. C. Sanders 2016-6-26 42518 Riverside Peninsular Range: Riverside, UCR Botanic Garden, at west edge of the herb garden (Riverside East 7.5'Q) 363 Comment
  SEINET4691500  Pennisetum setaceum Lynn Sweet, Chris E. True 2009-1 s.n. Riverside Peninsular Range/Sonoran Desert; Santa Rosa Mtns: UC Boyd Deep Canyon Reserve, center of wash in deep Canyon 1/4 mile from end of road 335 Comment
  NY583777  Penstemon centranthifolius G. R. Campbell 1951-5-30 16141 Riverside Just west of Cahuilla 1066.8 Comment
  RSA601102  Penstemon centranthifolius A. C. Sanders, J. Goetzen 1996-5-1 18137 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk., N of Banning. [UTM 10 km cell: NH-1E, 5N. Banning.] 792 Comment
  UCR231804  Penstemon centranthifolius Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 08 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  SDSU10935  Penstemon clevelandii H. Wedberg 1962-4-20 911 Riverside About 1 mile SE of Pinyon Flats on Road to Palm Springs. 1219 Comment
  SD51812  Penstemon clevelandii var. connatus Rimo Bacigalupi, L. R. Heckard 1953-5-5 4074 Riverside Western Riverside County. Along the Palms-to-Pines Highway (Calif. No. 74), above the seven level Hill, western slopes of Deep Canyon, about I(c) way betw. Santa Rosa Mts. And San Jacinto Mts, west side of Coachella Valley Comment
  NY601201  Penstemon clevelandii var. mohavensis A. M. Alexander 1940-3-21 887 Riverside Barker Dam, 20 miles south of Twenty Nine Palms 1322.8 Comment
  UC27487  Penstemon grinnellii H. M. Hall 1897-7-28 737 Riverside San Jacinto Mts. Comment
  RSA680523  Penstemon rostriflorus Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8630 -B 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
  POM17872  Penstemon spectabilis Philip A. Munz 1923-6-14 7063 Riverside Glen Ivy Trail to Santiago Peak 1220 Comment
  UCR104933  Penstemon spectabilis A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20676 Riverside San Jacinto Mountains, N side of the range, 0.2 mi. north of Twin Pines Ranch Road on the dirt road to Brown Creek and Cabazon 1098 Comment
  JEPS2776 Image available Penstemon spectabilis var. gilmanii M. French Gilman 744 Riverside San Jacinto Mts. Comment
  RSA502512  Penstemon spectabilis var. spectabilis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3567 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  SBBG63075  Pentachaeta aurea Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Mtns [probably near Idyllwild] Comment
  UC399569  Pentagramma glanduloviscida F. M. Reed 1917-8-19 3771 Riverside Palm Canyon; Colorado Desert Comment
  SEINET852425  Pentagramma triangularis G. Yatskievych 1981-1 81 -141 Riverside Overlooking Lake Elsinore, State Highway 74, 0.6 miles northeast of El Carizo. Comment
  RSA0060325  Pentagramma triangularis Darin L. Banks, Lauren Raz 1996-11-5 1171 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, ESE of San Gabriel Church; Along the floodplain of the southern fork of Pechanga Creek. 415 Comment
  CAS-BOT-BC71683  Pentagramma triangularis subsp. triangularis Elmer I. Applegate 1893-4-23 s.n. Riverside Hills of East Riverside Comment
  UCSB62275  Pentagramma triangularis subsp. triangularis Keifer, L. 1965-5-1 Riverside Rd. from Val Verde to Lakeview and San Jacinto, west side of Bonasconi Hills, cyn., ca. 1 mile south of rd. 548 Comment
  CAS-BOT-BC77473  Peritoma arborea var. angustata Peter H. Raven 1958-1-23 10409 Riverside 2.7 miles west of Whitewater Post Office Comment
  CAS-BOT-BC77527  Peritoma arborea var. arborea Ivan Johnston 1917-4-4 1057 Riverside Palm Canyon 457 Comment
  JOTR35061  Perityle emoryi La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3513 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  UCR112105  Perityle emoryi A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23357 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR148329  Perityle emoryi John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 21 and 22 (near 22), south of Salt Creek 23 Comment
  UCR244877  Perityle emoryi Jim Andre 2012-3-19 21385 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  SEINET10875493  Perityle emoryi David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2897 Riverside Pushawalla Canyon Biota. Indio Hills. In dry wash. Comment
  RSA445146A  Petalonyx linearis Fordyce Grinnell Jr. 1921-3-23 17834 Riverside Deep Canyon, Santa Rosa Mts. Comment
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Nov 19 2011
  JEPS41239  Petalonyx thurberi W. L. Jepson and H. M. Hall 1901-5-22 1399 a Riverside s. of Hemet's Valley (Palm Canyon and return to Van Deventer's); Mt. San Jacnto, Palm Canyon Comment
  SD113277  Petalonyx thurberi subsp. thurberi Darley F. Howe 1936-6-14 354 Riverside Palm Springs. Comment
  CAS-BOT-BC326764  Peucephyllum schottii Carl B. Wolf 1932-4-26 2980 Riverside On Blythe Road 8 miles east of Mecca, Colorado Desert 91 Comment
  NY43291  Peucephyllum schottii C. R. Annable 1995-3-15 2286 Riverside 2km S of Lake Cahuilla County Park Comment
  POM259711  Peucephyllum schottii P. A. Munz 1940-3-23 15664 Riverside South base of Pinto Mts., road Dale to Cottonwood Springs. 610 Comment
  POM46835  Peucephyllum schottii Mary F. Spencer 1920-3-29 1450 Riverside Cottonwood Springs Comment
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Feb 1 2012
  RSA0031425  Peucephyllum schottii Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4474 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  RSA770291  Peucephyllum schottii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4751 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
  SJSU11731  Peucephyllum schottii R. C. McGehee 1970-4-18 Riverside 2 mi S of Cottonwood Pass, Joshua Tree National Monument Comment
  UCR43489  Peucephyllum schottii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54079 Riverside San Bernardino Mtns., Branch ravine running W from Whitewater Canyon, west of road and c. 3.2 miles north of hwy 10 and Whitewater P.O. 610 Comment
  SEINET12534538 Image available Peucephyllum schottii G. C. Wheeler, J. Wheeler 1968-3-12 s.n. Riverside Deep Canyon Desert Research Comment
  RSA550277  Phacelia ambigua Walter Wisura, J. Dolan, M. Wall 1992-3-24 4619 Riverside 5.5 mi NE of Mecca on Box Canyon Rd. Comment
  RSA0106641  Phacelia campanularia Scott D. White 2000-5-3 7766 Riverside Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly S of Red Hawk subdivision. 351 Comment
  UC1184078  Phacelia campanularia subsp. campanularia Peter M. Ray 1949-3-12 1352 Riverside 2 mi w Whitewater; north side of Coachella Valley 457 Comment
  UC942747  Phacelia campanularia subsp. campanularia H. M. Hall 1905-4-1 5755 Riverside Whitewater 243 Comment
  UC791036  Phacelia campanularia subsp. vasiformis Carroll E. Wood Jr. and Thomas Morley 1949-5-1 7624 Riverside sw-facing slope at Key's View Joshua Tree National Monument, Little San Bernardino Mountai (mts. above Coachella Valley) Comment
  SD48483  Phacelia cicutaria var. hispida E. K. Balls, P. C. Everett 1958-3-19 22873 Riverside 1.0 mile east of Highway 71 to Elsinore. 198 Comment
  UCR213624  Phacelia cicutaria var. hispida A. C. Sanders, Matthew Malle 2010-4-23 37996 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR112089  Phacelia crenulata A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23363 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  JEPS2303  Phacelia crenulata var. ambigua E. E. Schellenger May 1920 Riverside canyon e Coachella; Colorado Desert Comment
  JOTR35325  Phacelia crenulata var. ambigua Harding, Mitzi, Mark Wheeler 2012-2-28 93 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  UCR16830  Phacelia cryptantha Emily E. McGregor 1972-4-23 s.n. Riverside Badlands, along route 60, 3 mi. west of Jack Rabbit Trail Comment
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Jan 29 2007
  JOTR32914  Phacelia distans La Doux, Tasha, Jim Andre 2009-2-28 354 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 0.8mi north of JTNP boundary, approx. 3mi north of Dillon Rd. 631 Comment
  RSA426214  Phacelia distans M. B. Dunkle 1933-3-5 3076 Riverside Colorado Desert, Palm Springs. 91 Comment
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Nov 3 2011
  RSA500213  Phacelia distans Steve Boyd, Tim Ross, L. Arnseth 1989-5-7 3530 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA667994  Phacelia distans C. R. Annable 1995-3-15 2280 Riverside 2.7km SW of Valerie on road to Martinez Canyon. Comment
  SD232703  Phacelia distans A. C. Sanders, J. Dice, K. Rose, D. Woodard 1995-3-29 16245 Riverside San Jacinto Mtns./San Gorgonio Pass; At the mouth of Snow Creek, between Hwy 111 and Snow Creek Village. E side of Snow Creek Rd. Comment
  UCR120938  Phacelia distans A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24955 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR174557  Phacelia distans Thi (Teresa) Bui, Jennifer H. Jones and Holly Summers 2006-5-31 s.n. Riverside Peninsular Ranges; San Jacinto Mtns., Just down Mt. Edna Road west off of Calif. Hwy 243 1146 Comment
  UCR207337  Phacelia distans O. F. Clarke 2004-3-15 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  JOTR31994  Phacelia fremontii La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2224 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  UCR98837  Phacelia hastata subsp. hastata L. C. Wheeler 1945-10-6 6135 Riverside San Jacinto Mtns, head of west fork of Snow Creek 2378 Comment
  UC1021341  Phacelia ivesiana var. pediculoides Harlan Lewis and Margaret Lewis March 1955 Riverside 2 mi e school (on road to Clark Lake); Borrego Valley Comment
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Feb 19 2013
  POM15019  Phacelia minor Mary F. Spencer 1922-4-3 795 Riverside Colorado Desert, prope [near] Palm Springs 122 Comment
  RSA507480  Phacelia minor Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, along Hwy 243, 1-2 mi. below Mt. Edna turnoff. Comment
  SJSU11224  Phacelia minor G. B. Youngberg 1956-3-27 178 Riverside near La Serra College, Arlington 300 Comment
  UCR155946  Phacelia minor T. B. Salvato, Kent Beaman 2005-5-16 818 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
  RSA427703B  Phacelia minutiflora E. C. Jaeger 1922-3-29 745 Riverside Chuckwalla Valley Comment
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May 29 2011
  RSA494633  Phacelia ramosissima var. latifolia Maureen Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  RSA741214  Phalaris aquatica Scott D. White, Justin M. Wood 2008-6-16 12107 Riverside Fobes Canyon, +- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  CAS-BOT-BC265862  Phalaris canariensis Peter H. Raven 1958-5-18 12992 Riverside Pinon Flats, San Jacinto Mountains Comment
  UCR199941  Phalaris minor Scott D. White, Justin Wood 2008-5-13 11955 Riverside Perris Basin, I-215 freeway south of San Jacinto River crossing 431 Comment
  UCR35056  Phlox austromontana L. B. Ziegler 1972-5-4 450 Riverside San Jacinto Mountains, near and above Morris Ranch area 1524 Comment
  JOTR32532A  Phoenix dactylifera La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2540 Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  CAS-BOT-BC219551  Pholisma arenarium C. L. Hitchcock; C. V. Muhlick 1964-3-22 23269 Riverside At w. end of Pinto Basin, Joshua Tree National Monument Comment
  UCR178569  Pholistoma membranaceum R. G. Swinney 1967-2-4 0008 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 335 Comment
  CAS-BOT-BC135072  Phoradendron californicum Del Wiens 1955-10-17 960 Riverside Palms to Pines Highway between Palm Springs and Keen Camp, State Hwy. 74 Comment
  HSC15912  Phoradendron californicum L. S. Rose 1966-12-11 66093 Riverside Palm Springs 152 Comment
  OBI12435  Phoradendron californicum Lewis S. Rose 1966-12-11 66093 Riverside Palm Springs 152 Comment
  RSA747437  Phoradendron densum T. Scott, K. M. Meyer, A. Townesmith 2007-3-18 136 Riverside San Bernardino National Forest. San Jacinto Ranger District, about 0.2 mi. along Pinon Flats Transfer Station Rd. off Rte. 74. 1228 Comment
  UCSB18279  Phoradendron leucarpum subsp. tomentosum Copeland, Jerry 1964-5-9 Riverside Alandale Pines, 19 miles south of Banning, 100 yards off road to Idyllwild Comment
  RSA790779  Phoradendron villosum M. E. Fishbein, Victor W. Steinmann, Ivonne Steinmann, J. Mark Porter, Stephen Dreher 1999-12-4 4096 Riverside Santa Rosa Mtns: Deep Canyon, just east of California 74. 976 Comment
  UCR240205  Phragmites australis C. J. Minar 1994-5-7 11 Riverside Sonoran (Colorado) Desert, Coachella Valley, east of Salton Sea near Dos Palmas Oasis -27 Comment
  RSA23174  Physalis crassifolia I. L. Wiggins 1938-3-25 8926 Riverside Eagle Canyon, 3-5 miles south of Palm Springs. Comment
  UC494680  Physalis crassifolia Philip A. Munz 1932-3-15 12004 Riverside Magnesia Spring Canyon; Coachella Valley 91 Comment
  UCR16398  Physalis crassifolia K. T. Ingram 1976-5-1 s.n. Riverside San Bernardino Mtns., Morongo Valley, 0.25 mi. south of intersection of Route 62 and Mission Creek Road. Comment
  JEPS8969  Physalis philadelphica Mr. McGraw 1904-1 Riverside Riverside Comment
  CDA33911  Picris echioides Mike Lahti 2010-9-2 PDR# 1358813 Riverside Murrieta; 0 Comment
  UCR167862  Pinus T. B. Salvato, John F. Green 2004-5-27 647 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
  RSA78321  Pinus lambertiana Philip A. Munz, E. K. Balls 1952-8-21 17978 Riverside Santa Rosa Spring, Santa Rosa Mts. 2134 Comment
  UCSB74  Pinus lambertiana Haller, John 1950-5-20 Riverside San Jacinto Mtns., upper Strawberry Valley, parking area at foot of San Jacinto Peak trail 1767 Comment
  UCSB82  Pinus lambertiana Waian, Lee 1960-5-14 Riverside At the top of Black Mtn. at the Black Mtn. campground; San Jacinto Mtns., about 15 miles from Banning on road to Idyllwild 2133 Comment
  UCD134972  Pinus quadrifolia John Thomas Howell 1960-3-24 35150 Riverside On road to Anza just south of Palms to Pines Highway. 1463 Comment
  UCR113934  Piptatherum miliaceum Mitch Provance, A. C. Sanders 2000-7-4 2100 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA717338  Plagiobothrys arizonicus Scott D. White, Angelia Carey 2004-4-5 10001 -B Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR92693  Plagiobothrys arizonicus A. C. Sanders, E. J. Lawlor, C. L. Sanders 1996-4-21 18068 Riverside S slope of San Bernardino Mtns, Morongo Indian Reservation, grounds of the Malki Museum, NE of Banning. 732 Comment
  SEINET6097276  Plagiobothrys canescens Unknown 1996-4-19 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCD120816  Plagiobothrys canescens Bill Wagner 1988-3-9 s.n. Riverside Benton Rd. and San Diego aqueduct, 1/2 mile E of Winchester Rd., NE of Murrieta. 411 Comment
  UCR157667  Plagiobothrys canescens A. C. Sanders, J. C. Lyman 1995-4-16 16560 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  UCR171912  Plagiobothrys canescens John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  UCR226084  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2011-4-1 38953 Riverside Peninsular Range, Lake Elsinore, old house site on hill top along Baker St. below large water tank on hill, 0.83 km NW of Hwy 74, 0.5 km SW of Elsinore Outlet Mall/Collier Ave., above Temescal wash 403 Comment
  JEPS68010  Plagiobothrys collinus W. L. Jepson 1939-4-17 19130 Riverside near Twin Springs; Temescal Canyon 274 Comment
  UCD120788  Plagiobothrys collinus A. C. Sanders; Carolyn Washburn 2001-5-10 24232 Riverside Perris-Aguanga Basin: 1 mi. S of Winchester on the east side of Hwy 79 (Winchester Rd.) just S of Patton Ave. 488 Comment
  UCR225445  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2011-3-29 38850 Riverside Peninsular Range; Perris-Aguanga Basin Region, valley at toe of hills between Sun City and Perris, powerline corridor between Goetz Rd. and Alabaster Loop, north of Goldenrod Ave. 448 Comment
  UCR250215  Plagiobothrys collinus var. californicus A. C. Sanders 2014-4-8 40979 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  UCR228879  Plagiobothrys collinus var. fulvescens A. C. Sanders 2011-4-6 38996 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
  UC494753  Plagiobothrys collinus var. gracilis Philip A. Munz 1932-3-24 12018 Riverside Corona 365 Comment
  RSA0013027  Plagiobothrys collinus var. ursinus LeRoy Gross, Caitlin Elam 2013-5-14 6046 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
  UC219259  Plagiobothrys collinus var. ursinus Munz and Johnston 1922-5-19 5416 Riverside Garner Ranch San Jacinto Mts., Hemet Valley 1386 Comment
  UCR75046  Plagiobothrys jonesii A. C. Sanders, E. J. Lawlor 1992-4-4 12143 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA659779  Plagiobothrys leptocladus J. C. Roos 1966-3-24 s.n. Riverside Edgemont. Comment
  UCR162821  Plagiobothrys nothofulvus Jeri Hirshberg 1989-3-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta; small mesa SW of Mesa de Burro 579 Comment
  UCR101381  Plagiobothrys tenellus A. C. Sanders 1997-4-10 20321 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  RSA612960  Plantago erecta D. L. Banks 1997-3-29 1629 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
  SDSU12233  Plantago erecta Tahirih Linz, M. G. Simpson 2000-4-1 2 Riverside Comment
  SEINET7063420  Plantago erecta A. G. Vestal 1947-3-29 s.n. Riverside About 0.3 mile west of Lake Elsinore Railroad Canyon. UTM Zone 11, 464457mE, 3724989mN. (WGS84/NAD83). 393 Comment
  UCR150973  Plantago erecta D. L. Banks 1997-3-29 1589 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
  UCD124526  Plantago major Robert F. Thorne; Steve Boyd and Earl Lathrop 1985-7-18 61174 Riverside Santa Rosa Plateau Nature Conservancy Reserve. Along Cole Canyon. 535 Comment
  UCR4593  Plantago major R. G. Barber 1962-5-11 s.n. Riverside City of Riverside, near drainage ditch on UCR grounds at 4808 Chicago Avenue. Comment
  UC2030075  Plantago ovata V. Soza, J. M. Porter, G. D. Wallace 2001-4-2 1097 Riverside Transverse Ranges, Little San Bernardino Mountains region: Mouth of West Wide Canyon, NNW of junction of Dillon Road and Ford Avenue. Comment
  POM308154  Plantago ovata var. fastigiata Henry J. Ramsey, Henry J. Ramsey 1939-11-28 2921 Riverside 10 miles east of Indio. Comment
  POM68827  Plantago ovata var. fastigiata Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  CSUSB1033  Platanus racemosa A. Belding 1967-5-12 S.N. Riverside B.S.A. Camp Evans, at the end of Indian Hill Rd. Riparian Valley Comment
  JEPS98073  Platanus racemosa D. Wilken with E. Painter 2000-11-4 15871 Riverside Chico Canyon, near end of road to Tramway base San Jacinto Mountains 900 Comment
  UCR21165  Platanus racemosa Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  RSA445709  Platystemon californicus G. R. Johnstone 1934-3-27 18575 Riverside Near Wildomar. Inland route to Temecula. Comment
  UCR177176  Platystemon californicus Scott D. White, Michael Honer 2003-4-25 9117 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  UCR249824  Platystemon californicus T. B. Salvato, John Lovio 2013-3-19 7363 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  POM13460  Plectritis ciliosa subsp. insignis Philip A. Munz, I. M. Johnston 1922-5-19 5389 Riverside Keen Camp, San Jacinto Mountains. 1463 Comment
  UC38597  Pleuraphis rigida H. M. Hall June, 1901 2118 Riverside eastern base San Jacinto Mountains (along the borders of the Colorado Desert); borders of the Colorado Desert, San Jacinto Mountains Comment
  RSA152502  Pleurocoronis pluriseta R. C. Bacigalupi 1953-4-20 4044 Riverside Close to head of Lost Palms Canyon, 3 miles N of Shavers Summit, Joshua Tree National Monument. 762 Comment
  RSA676058  Pleurocoronis pluriseta Scott D. White 2001-4-17 8334 Riverside Sonoran Desert: Shaver's Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  UC897966  Pleurocoronis pluriseta B. D. Stark 1933-5-13 Riverside Andreas Canyon 762 Comment
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Apr 17 2011
  UCR22088  Pluchea purpurascens Steve Boyd 1980-9-22 356 Riverside Gavilan Hills, Harford Springs County Park on the NW corner of the Gavilan plateau Comment
  CAS-BOT-BC326534  Pluchea sericea Roxana S. Ferris 1918-6-19 1007 Riverside Colorado River bottoms at Blythe Comment
  LA203872  Pluchea sericea None; 1951-4-21 sn Riverside Thousand Palms hwy oasis Comment
  RSA0123109  Pluchea sericea Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9016 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 653 Comment
  UCSB39093  Pluchea sericea Jorgensen, Jan 1982-3-6 Riverside Coachella Valley, along Avenue 66, Coachella 70 Comment
  SEINET1910785  Poa pratensis Scott D. White, Justin M. Wood 2008-1 12268 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. 1585 Comment
  UCR189555  Polygala cornuta var. fishiae Diane Menuz 2007-8-2 334 Riverside Penninsilar Range- Santa Ana Mountains, Santa Margarita Ecological Reserve; along Temecula Canyon, c. 600 m from Santa Margarita River crossing 230 Comment
  RSA180246  Polygonum aviculare subsp. aviculare E. W. Lathrop 1965-4-25 5676 Riverside 4 miles Sw of Murrieta. Comment
  SBBG132548  Polygonum aviculare subsp. depressum S. D. White, J. M. Wood 2008-6-16 12139 Riverside meadow at Quinn Flat, San Jacinto Mtns 1378 Comment
  SEINET2042036 Image available Polygonum hydropiperoides George Helmkamp, E. A. Helmkamp 2000-8-29 5985 Riverside Colorado Desert: S of Mecca, where Lincoln St. Crosses the Whitewater River. Ca. 0.5 mi from the Salton Sea. 67 Comment
  POM319090  Polygonum lapathifolium Patricia Wilder 1970-10-15 4777 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  UCR121093  Populus fremontii A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24980 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  CAS-BOT-BC356155  Porophyllum gracile Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring Comment
  RSA320351  Porophyllum gracile J. R. Shevock 1978-4-26 5883 Riverside Along Skyline Road, Santa Ana Mtns, Cleveland National Forest. 366 Comment
  UCR202324  Portulaca oleracea Denise Woodard 1998-6-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  RSA575894  Potamogeton foliosus Steve Boyd 1994-10-14 8387 Riverside Southern San Mateo Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. San Mateo Canyon, in canyon bottom at the confluence with Bluewater Canyon 329 Comment
  UCR201655  Potentilla gracilis var. elmeri Scott D. White, Justin M. Wood 2008-5-15 12005 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  RSA774312  Prenanthella exigua Duncan S. Bell, The Desert Survivors Organization 2011-4-8 2188 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  UCR242297  Proboscidea althaeifolia A. C. Sanders, T. B. Salvato 2012-10-12 40423 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  UCR278853  Proboscidea louisianica Mitch Provance 2012-7-14 712- 24 Riverside San Gorgonio Pass, Banning, Smith Creek and adjacent alluvial terraces, north of Old Idyllwild Rd., and west of Hwy. 243. 689 Comment
  CAS-BOT-BC206985  Prosopis glandulosa var. torreyana Alice Eastwood 1913-4-30 3063 Riverside Palm Springs Comment
  UCR251947  Prosopis glandulosa var. torreyana Max Brodie 2014-4-6 11 Riverside San Bernardini Mtns./Sonoran (Colorado) Desert, Whitewater Canyon off Whitewater Canyon Rd., along Whitewater River near town of Bonnie Bell, c. 2 miles north of Hwy I-10 488 Comment
  CAS-BOT-BC151114  Prunus fremontii Walter Knight; Irja Knight; Fred Klein 1969-3-31 2651 Riverside Ca. .2 mi. up Carrizo Rd. from Pines to Palms Hwy. 1097 Comment
  CLARK-A1528-819  Prunus fremontii 1968-4-14 18 Riverside San Jacinto Mountains 1066 Comment
  UC861215  Prunus virginiana var. demissa I. W. Clokey, E. G. Anderson 1935-8-21 6673 Riverside w of Poppet Flat (San Jacinto Mountains); San Jacinto Mountains 1200 Comment
  UCR140659  Prunus virginiana var. demissa Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 13- 88 Riverside San Jacinto Mtns, San Bernardino National Forest, 12 miles north of Idyllwild on Hwy 243 near Vista Grande, Site L13 1558 Comment
  RSA180326  Pseudognaphalium biolettii E. W. Lathrop 1965-4-4 5620 Riverside 8 miles west of Murrieta Comment
  SEINET1093808 Image available Pseudognaphalium luteoalbum Geoffrey A. Levin, Judy Gibson, Bob Faught, Tyrone Seymour, Annette Winner, & Renee Levin 1993-7-3 2289 Riverside Volcan Mountain, Rutherford Ranch, near AT&T transmission station. 1650 Comment
  CLARK-A1528-2068  Psilocarphus brevissimus John C. Roos 1937-5-10 2498 Riverside Lake Elsinore Comment
  CAS-BOT-BC361790  Psilocarphus brevissimus var. brevissimus Philip A. Munz 1941-5-18 16648 Riverside About 15 miles north-east of Temecula Comment
  UCR166810  Psilocarphus chilensis R. E. Riefner Jr. 2005-4-22 05- 239 Riverside Patton Rd. at Patterson Ave., SE of Winchester near San Diego Aqueduct 452 Comment
  CLARK-A1528-518  Psoralea californica Charlotte Stocks 1962-6-10 Riverside San Jacinto Mountains Comment
  UCR41396  Psoralea macrostachya N. M. Fellows, A. C. Sanders 1985-5-7 169 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  JOTR29307  Psorothamnus arborescens var. simplicifolius La Doux, Tasha, Mike Bell 2006-5-17 1384 Riverside Joshua Tree National Park. East Deception Canyon Comment
  UC596749  Psorothamnus arborescens var. simplicifolius Rensselaer J. Smith May 1904 308 Riverside White Water Desert Comment
  UCR281930  Psorothamnus arborescens var. simplicifolius A. C. Sanders, Jim Malusa 2017-9-19 43342 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, canyon 3.35 km SW (214 deg. ) of Tabaseca Tank 693 Comment
  HSC14686  Psorothamnus emoryi L. S. Rose 1959-1-9 59005 Riverside Palm Desert 30 Comment
  UCR244915  Psorothamnus emoryi Jim Andre 2012-3-19 21356 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  UCR263503  Psorothamnus emoryi David Fraker, Aaron C. Sedgwick 2012-3-22 018 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
  RSA776384  Psorothamnus emoryi Amber Swanson 2011-4-8 371 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  CAS-BOT-BC340924  Psorothamnus schottii Elizabeth McClintock 1964-4-8 s.n. Riverside East of Indio Comment
  POM28904  Psorothamnus schottii Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA0105295  Psorothamnus schottii Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-2-10 7748 Riverside Santa Rosa Mountains; a narrow unnamed canyon about 2 air miles south of La Quinta, and about 5 air miles northeast of the summit of Martinez Mountain. 266 Comment
  RSA27143  Psorothamnus schottii C. Leo Hitchcock 1940-3-29 5849 Riverside 12 miles east of Indio. Comment
  SBBG29378  Psorothamnus schottii D. Myrick 1968-3-2 1800 Riverside Desert Hot Springs 304 Comment
  UCR100131  Psorothamnus schottii B. G. Pitzer 1997-10-19 3352 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  UCR30050  Psorothamnus schottii A. C. Sanders 1983-4-24 3800 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
  UC575036  Psorothamnus spinosus C. Epling, L. Ellison 1933-6-24 Riverside near Palm Springs (near Cathedral City); , near Palm Springs Comment
  UC945498  Psorothamnus spinosus Howard Scott Gentry 1938-7-6 3789 Riverside Coachella Valley Comment
  UC21691  Pterospora andromedea H. M. Hall June, 1901 Riverside Onstatt's Valley San Jacinto Mountains 1920 Comment
  RSA769709  Pterostegia drymarioides E. W. Lathrop 1973-6-28 7446 Riverside Bear Springs on the Main Divide Truck Trail, 1 mi E of Santiago Peak, Cleveland National Forest. Comment
  UCR213601  Pterostegia drymarioides A. C. Sanders, Matthew Malle 2010-4-23 37989 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR21525  Pterostegia drymarioides Steve Boyd 1980-4-29 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, c. 0.5 mile NE of the secretary's house 518 Comment
  UCR18627  Pulicaria paludosa John C. Roos 1962-10-19 s.n. Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater 549 Comment
  UCR50000  Pulicaria paludosa Theo Glenn 1987-6-15 s.n. Riverside Western Colorado Desert, Coachella Valley, Thousand Palms Oasis, in the Indio Hills. 168 Comment
  SEINET13382482 Image available Quercus Mitch Provance 2009-1 17424 Riverside Banning, beneath SCE lines about 290 m NW of the intersection of Bluff St. and Midas Canyon Rd 850 Comment
  UCR264636  Quercus Mitch Provance 2012-4-27 412- 18 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  UCR273240  Quercus Mitch Provance, Jeremiah George 2012-1-30 17373 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft. W of Bolo Ct. and 2500 ft. S of W 4th St. 762 Comment
  UCR273998  Quercus Mitch Provance 2012-9-11 17622 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft., along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  LA43654  Quercus agrifolia George A. Schaefers; 1953-5-23 sn Riverside San Jacinto Mountains, 4 mi. N of Pinon Flats, Hwy 74 1371 Comment
  SDSU13481  Quercus agrifolia var. agrifolia Jeremy Mass, Ryan Jacobsen 2000-10-24 15 Riverside Growing throughout Stone Creek. Near Santa Margarita Ecological Reserve Southside Field Station. Open mixed herbs and shrubs. 222 Comment
  RSA0028782  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 5 -581 Riverside San Jacinto Mountains, San Bernardino National Forest, 2.3 mi W of Santa Rosa Mountain Rd. on SR 74 at Vandeventer Flat. 1430 Comment
  RSA192169  Quercus berberidifolia E. W. Lathrop 1965-10-24 6033 Riverside 8 miles W of Murrieta Comment
  UC1605403  Quercus berberidifolia Steve Boyd 1994-10-14 8399 Riverside between Tenaja Trail and Fisherman's Camp (San Mateo Canyon, along San Mateo Trail , Southern Santa Ana Mountains); Cleveland Natl. For., Santa Ana Mts., San Mateo Canyon Wilde 426 Comment
  UCR143460  Quercus berberidifolia Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3068 Riverside Peninsular Range, Vail Lake area, south of Hwy 79, 0.25 mi east of Pauba Road 457 Comment
  UCR162959  Quercus berberidifolia John F. Green 2005-10-20 s.n. Riverside Elsinore Basin/Menifee Valley, Bundy Canyon, N of Bundy Canyon Road c. 2 mi east of Hwy I-15 518 Comment
  UCR249999  Quercus berberidifolia Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end 716 Comment
  RSA0097948  Quercus cornelius-mulleri Duncan S. Bell 2014-11-14 7725 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  RSA0091964  Quercus durata var. gabrielensis Mitch Provance 2012-9-13 912 -01 Riverside Badlands of Western Riverside County: Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., +/- 1 mi. N of entrance to CDFG Potrero Reserve. 744 Comment
  RSA736295  Quercus engelmannii Scott D. White, Justin M. Wood 2008-5-27 12034 Riverside Perris Basin: I-215 freeway, between Clinton Keith and Alamos. 396 Comment
  POM123042  Quercus kelloggii Marcus E. Jones 1924-8-30 s.n. Riverside San Jacinto Mountains; Tahquitz trail. Comment
  UCD47075  Quercus palmeri J. M. Tucker 1981-5-31 4458 Riverside California, Contra Costa County: Antonio Souza Ranch southwest of Byron (extended section NW quarter Sec. 31, R3E, T1S, Mt. Diablo Meridian). 309 Comment
Read comments
Oct 29 2006
  UCR270569  Quercus palmeri John F. Emmel 2001-8-5 1748 Riverside San Jacinto Mtns., Pine Meadow area, SE end of Garner Valley, 1.0 road mile east of junction of Devils ladder Rd and Hwy 74 1448 Comment
  SDSU6993  Quercus wislizeni H. Wedberg 1962-7-28 988 Riverside 6 miles from Mountain Center on the road to Hemet. 914 Comment
  UCR231040  Quercus wislizeni A. C. Sanders, Kent Beaman 2011-9-27 39920 Riverside Peninsular Range; Santa Ana Mtns., Main Divide Truck Trail, 0.95 km ENE (78 deg. ) of Santiago Peak summit 1402 Comment
  UCSB34691  Quercus wislizeni var. wislizeni Nixon, Kevin; Hendon, Emily 1980-5-23 Riverside 3.5 mi south of Idyllwild (1.4 mi n. of Mountain Center) on calif. Hwy 243, San Jacinto Mtns Comment
  RSA704013  Rafinesquia californica Daphne K. Christopher, H. Stevens, Z. Princip 2003-4-9 133 Riverside Near Hermano Road, off Hwy. 15, Indian Truck Trail exit. On main gravel road heading away from ranch entrance and private residence driveways. 363 Comment
  POM254899  Rafinesquia neomexicana P. A. Munz 1940-3-24 15707 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  RSA772843  Rafinesquia neomexicana Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4720 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
  SEINET7881837 Image available Rafinesquia neomexicana Helen K. Sharsmith 1952-1 4059 Riverside Joshua Tree National Monument ; Smoke Tree Wash about 5 miles north east of Cottonwood Springs. 853 Comment
  POM297  Ranunculus alismifolius var. alismellus I. M. Johnston 1916-8-1 s.n. Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  SD232315  Ranunculus aquatilis Scott D. White, Justin M. Wood 2008-7-9 12442 Riverside San Jacinto Mountains: K Flat, from large plnd downstream to meadow. Pond, meadow, creek, and adjacent uplands. 1426 Comment
  CAS-BOT-BC378983  Ranunculus aquatilis var. diffusus Robert F. Thorne; C. W. Tilforth; J. P. Simon 1969-6-24 38143 Riverside San Bernardino National Forest, San Jacinto Mts., Lake Fulmor 1676 Comment
  RSA180257  Ranunculus californicus E. W. Lathrop 1965-4-4 5614 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  UC1922903  Ranunculus testiculatus Scott D. White 2005-3-24 10809 Riverside East Mojave Desert: Mountain Pass. Sandy bajadas, canyons, and washes N of the I-15 Freeway and S of the Molycorp quarry. (Mescal Range) Comment
  JEPS42006  Rhamnus crocea W. L. Jepson 1901-5-27 1481 Riverside between Cahuilla Valley and Aguanga Comment
  RSA701472  Rhamnus crocea M. Wall 1996-6-26 184 Riverside S of beaumont, 1.8 mi S of Fwy 10, canyons W of Hwy 79. Associated plants include: Adenostoma fasciculatum, Cercocarpus betuloides, Quercus berberidifolia, Prunus illicifolia, and Salvia mellifera. Comment
  UCR100298  Rhamnus crocea B. G. Pitzer 1997-4-20 3186 Riverside Lakeview Mtns, Intersection of 'Dutton' Street with Voltaire Vista Road. (Note: Dutton ends in T-intersection at Sardis Lane, which makes a 90 deg. E turn onto Brent Lane, which becomes Voltaire Vista Road east of Elton Lane. Therefore, this locality is actually the intersection of Elton Lane & Voltaire Vista Road.) 610 Comment
  UCR120946  Rhamnus crocea A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24917 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR174052  Rhamnus crocea A. C. Sanders 2006-5-19 32446 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
  LA207824  Rhamnus crocea subsp. ilicifolia W. E. Pequegnat; 1939-4-8 19 Riverside Santa Ana Mountains Comment
  RSA503418  Rhamnus ilicifolia J. D. Olmsted 1962-5-10 3627 Riverside Coldwater Canyon, Corona city water supply. 396 Comment
  UC218263  Rhamnus tomentella subsp. cuspidata P. A. Munz 1922-6-25 5817 Riverside between Vandeventer and Santa Rosa; Santa Rosa Mts. 1524 Comment
  UCSB25310  Rhododendron occidentale Gliessman, Stephen 1968-7-11 Riverside 0.6 mile south of Little Round Valley on the Deer Springs Trail, San Jacinto Mountains 2895 Comment
  UCSB3767  Rhus aromatica Haller, Norman 1953-5-23 Riverside Highway 74, Cranston Ranger Station, 7 miles E. of Hemet 609 Comment
  CDA35354  Rhus ovata T. C. Fuller 1963-4-23 10294 Riverside San Jacinto Mountains; Highway 74 to Palm Desert, just east of Pinyon Flat. 0 Comment
  LA62867  Rhus ovata Harlan Lewis; 1939-10-23 1040 Riverside Santa Rosa Mountains, Pinyon Flats, Pines to Palms Highway 1219 Comment
  RSA594509  Rhus ovata D. L. Banks, Dylan Hannon 1996-5-3 996 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
  UCR275934  Rhus trilobata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3780 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  CAS-BOT-BC92347  Ribes amarum James R. Shevock 1978-4-26 5905 Riverside Along the northeast side of Pleasants Peak. Santa Ana Mountains, Cleveland National Forest. 1188 Comment
  POM161525  Ribes cereum Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountains 2591 Comment
  CAS-BOT-BC173140  Ribes indecorum Raymond Lindholm 1961-2-27 s.n. Riverside Reche Canyon Comment
  UCR51365  Ribes indecorum A. C. Sanders 1988-1-30 7591 Riverside Peninsular Range, Eastern foothills of the Santa Ana Mountains, c. midway between Murrieta and Temecula. Los Cerritos Ranch and adjacent 80 acre property to the NW; north of Cherry St., west of Adams Ave, south of Meadowlark Ridge Lane and Elm St 366 Comment
  UCR77566  Ribes indecorum Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-2 6646 Riverside Santa Ana Mtns, Cleveland National Forest. Upper San Mateo Canyon between the confluence of Tenaja Canyon and Los Alamos Canyon 427 Comment
  RSA659610  Ribes malvaceum var. viridifolium J. C. Roos 1947-3-15 3341 Riverside Chaparral on a burn. The west face of the San Jacinto Mtns. Comment
  UC729876  Ribes montigenum Carl B. Wolf 1932-8-5 3980 Riverside summit San Jacinto Peak; San Jacinto Mts. 3293 Comment
  UC11634  Ribes nevadense H. M. Hall 1897-6-18 Riverside Strawberry Valley San Jacinto Mountains Comment
  RSA698880  Ribes roezlii J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto Mts. 2591 Comment
  UCR24947  Ribes roezlii A. C. Sanders 1980-7-18 1658 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UCR230928  Ricinus communis T. B. Salvato, Richard Camacho 2011-6-12 5482 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  UCR125202  Romneya trichocalyx Mitch Provance 1998-5-29 557 Riverside Riverside, NW side of North Hill, along the S edge of Lake Evans 274 Comment
  RSA752136  Rorippa curvisiliqua Justin M. Wood, Brandy Wood 2009-7-4 1040 Riverside Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. 250 Comment
  CSUSB501  Rorippa nasturtium-aquaticum M. Quinlan 1974-5-25 S.N. Riverside Found in Riverside county on the bank of the Santa Ana River about 1 mile form the Riverside Municipal Airport in Riverside 266 Comment
  UCD115383  Rorippa sphaerocarpa A. C. Sanders; Mitch Provance 1999-9-26 23096 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area. 1323 Comment
  SD136761  Rosa californica Steve Boyd, T. Ross, D. Bramlet 1993-5-12 7323 Riverside Southern Santa Ana Mountains, San Mateo Canyo9n Wilderness Area. San Mateo Canyon, from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon 366 Comment
  CLARK-A1528-4044  Rubus parviflorus John C. Roos 1965-7-3 Riverside San Jacinto Mountains Comment
  LA20820  Rubus parviflorus W. B. Welch; 1928-5-5 Riverside San Jacinto Mountains, Idlywild Comment
  LA37957  Rubus parviflorus Carl Epling; 1938-8-14 sn Riverside San Jacinto Mountains, N fork, San Jacinto River Comment
  UCR266490  Rumex dentatus Mitch Provance, Matt Amalong 2015-4-6 415- 17 Riverside Temecula/Murrieta Region, About 0.5 mile SW of Winchester, along Leon Rd., near its SW corner with Domenigoni Parkway 444 Comment
  SDSU13632  Rumex salicifolius var. denticulatus W. Miller, C. Mosse 1972-7-20 Riverside By olive trees at north boundary in turn in road. Comment
  UCR95956  Rumex salicifolius var. denticulatus Scott D. White 1996-8-1 4430 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA737229  Salicornia virginica Justin M. Wood 2008-9-22 149 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR26527  Salix exigua A. C. Sanders, S. Hagopian 1981-5-20 2130 Riverside Agua Tibia Mountains Area, Wolf Valley, SE of Temecula, at the junction of Road S16 with the road to the Pechanga Indian Reservation 351 Comment
  UC494349  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 600 Riverside 4.8 km. n Arlington (on rd. to Pedley, 4 mi w of Riverside, e side of bridge over Santa Ana R., down embankment either side of hwy.) 240 Comment
  UC492436  Salix gooddingii Carl B. Wolf 1932-4-28 3085 Riverside ca. 800 m from on way to Blythe Bridge State Inspection Station (overflow land back of Colorado R.) 90 Comment
Read comments
Mar 26 2011
  UC846811  Salix gooddingii Ivan Johnston 1917-4-4 Riverside Palm Canyon; Colorado Desert, Palm Canyon 457 Comment
  UCR172147  Salix gooddingii A. C. Sanders 2006-5-11 32265 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  UCR270191  Salix gooddingii A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42412 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
  UCR37445  Salix gooddingii Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills, Long canyon running from NW/4 of section 2 through the E/2 of section 3 Comment
  RSA715295  Salix laevigata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32676 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., near stream crossing of dirt road. 549 Comment
  RSA786950  Salix laevigata Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49549 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  UCR139630  Salix laevigata A. C. Sanders 2004-6-30 28399 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  JOTR36410  Salix lasiolepis La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3359 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  RSA487457  Salix lasiolepis Bill Wagner 1988-3-7 s.n. Riverside Woodcrest area, ca. 6 miles SW of Riverside. NE corner of Hibiscus and Dauchy Streets. 479 Comment
  SEINET272324  Salix lasiolepis A. C. Sanders, G Helmkamp 1997-3-15 19966 Riverside Lake Skinner Area; lower Rawson Canyon along the dirt road toward Bachelor Mtn. UTM 10km cell: MH-9E 1N. Skinner Reser 457 Comment
  CAS-BOT-BC126319  Salix sessilifolia Mrs. H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  UCR89887  Salsola paulsenii A. C. Sanders 1992-4-5 12160 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley near Wiley's Well rest area on Hwy I-10, along dirt road to McCoy Spring 125 Comment
  HSC101582  Saltugilia australis Steve Boyd, Susan Jett 2008-3-20 11835 Riverside Peninsular Ranges; Santa Ana Mountains region: Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Highway Vehicle Area Comment
  UCR116415  Saltugilia australis S. J. Myers 2001-4-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  UCR225186  Saltugilia australis Steve Boyd, Susan Jett 2008-3-20 11835 Riverside Peninsular Ranges; Santa Ana Mountains region, Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  POM46989  Saltugilia splendens Mary F. Spencer 1919-6-25 1214 Riverside San Jacinto Moutains: Idyllwild. 1616 Comment
  RSA775448  Salvia apiana Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4451 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  SD137723  Salvia apiana Darin L. Banks, Steve Boyd 1995-6-2 577 Riverside Agua Tibia Wilderness Area; north face of north peak of Agua Tibia Mountains, on the Woodchuck Trial north of the Riverside County boundary. 744 Comment
  UCR262266  Salvia apiana T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3739 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
  RSA69373  Salvia carduacea G. R. Campbell 1951-5-30 16142 Riverside Just east of Cahuilla. 1098 Comment
  RSA674963  Salvia clevelandii Scott D. White, Teresa Salvato 2001-6-8 8581 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  JOTR32162  Salvia columbariae La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2314 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  RSA770849  Salvia columbariae Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4939 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  UCR174387  Salvia columbariae A. C. Sanders 2006-5-19 32413 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
  UCR213449  Salvia columbariae A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37817 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  SEINET10499063  Salvia columbariae R. P. Levine, H. S. Brown 1947-4-12 Levine 2 Riverside Wash, Pushawalla Canyon, Indio Hills. Comment
  RSA446316  Salvia greatae Robert Gustafson 1981-4-7 2147 Riverside West end of Salt Creek Wash, above Dos Palmas Spring, southern flank of the Orocopia Mts. El. ca. 150'. 46 Comment
  RSA0003962  Salvia greatae H. M. Hall, L. A. Greata 1905-4-22 5848 Riverside near Dos Palmas Comment
  RSA434133  Salvia mellifera N. C. Cooper 1944-5-19 1292 Riverside Banning. 701 Comment
  SEINET10581798  Salvia mellifera Nye Leith, Greg Gust 2005-3-11 Nye 65 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  SEINET11196321  Salvia mellifera Unknown 2006-5-13 32275 Riverside Temecula Comment
  SEINET244787  Salvia mellifera A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24942 Riverside The Badlands; hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 610 Comment
  POM12930  Salvia pachyphylla subsp. pachyphylla P. A. Munz 1922-6-25 5813 Riverside Santa Rosa Mountains; Road to Santa Rosa. 1524 Comment
  RSA643564  Salvia vaseyi A. C. Sanders, K. Rose 1995-4-27 16736 Riverside Coachella Valley: foot of the Little San Bernardino Mountains, canyon E of Fan Hill, just outside Joshua Tree National Park. 549 Comment
  RSA556504  Sambucus mexicana Julie Greene 1993-4-3 1083 Riverside [Unspecified] 440 Comment
  UCR270170  Sambucus nigra A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42390 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
  SD136865  Sambucus nigra subsp. caerulea Steve Boyd, Tim Ross 1992-5-5 7257 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; Oak Flats along Serrano Spring drainage. 730 Comment
  SDSU13668  Sambucus nigra subsp. caerulea W. Miller, C. Mosse 1972-8-9 Riverside Comment
  UCR120962  Sanicula arguta A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23889 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  SEINET7040185  Sanicula bipinnata A. G. Vestal 1962-3-29 Riverside Canyon south of Murrieta [Sandia Caynon.] Murrieta Quad. UTM Zone 11, 482355mE, 3705515mN. Comment
  CAS-BOT-BC466220  Sarcodes sanguinea Peter H. Raven 1959-5-18 14240 Riverside San Jacinto Mts: Lake Fulmor Comment
  UCR112480  Sarcostemma cynanchoides A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23328 Riverside Coachella Valley, along Dillon Rd. at junction with Tyler, north of I-10, east of Indio and north of Coachella 5 Comment
  SD224816  Schinus polygamus A. C. Sanders, G. K. Helmkamp 1995-12-5 17930 Riverside Riverside; abandoned orange orchard on Spruce ST. at Canyon Crest Dr. 305 Comment
  RSA777677  Schismus arabicus Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 983 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  UCR216113  Schismus arabicus Jim Andre, T. La Doux 2009-2-25 10812 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  CAS-BOT-BC243458  Schismus barbatus Peter H. Raven 1958-1-23 11411 Riverside 2.7 miles west of Whitewater Post Office Comment
  GMDRC5492  Schismus barbatus J. Andre 2012-4-16 20939 Riverside Little San Bernardino Mountains: along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mtns, 6.7 mi. south of Natl Park Loop Rd (paved). 990 Comment
  SD146082  Schismus barbatus A. C. Sanders, G. Helmkamp 1997-3-15 19922 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills 548 Comment
  UCR152526  Schismus barbatus A. C. Sanders 2005-4-22 29615 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR1579  Schoenoplectus acutus var. occidentalis William G. Truesdell 1962-5-25 52562- 4 Riverside San Bernardino Valley Region, Riverside, marsh beside Lake Evans 305 Comment
  UCR92307  Schoenoplectus acutus var. occidentalis Scott D. White, S. Ogg 1994-10-17 2470 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  RSA92140  Schoenoplectus americanus F. W. Peirson 1921-3-20 2848 Riverside Palm Canyon, Colorado Desert. 305 Comment
  RSA192305  Scirpus acutus var. occidentalis Anonymous 1966-6-1 6365 Riverside Los Alamos Road, Tenaja Range. 14 miles NW of Murrieta. Comment
  POM47439  Scirpus microcarpus Mary F. Spencer 1919-6-28 1234 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  RSA500152  Scirpus microcarpus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3649 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  RSA709799  Scrophularia californica A. C. Sanders 2004-6-30 28393 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft.) 1 mi. E of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., ca. 5 miles due south of Sun City. 470 Comment
  UCD124838  Scrophularia californica J. S. Ross; T. Tennant, G. White 1998-5-21 MOR 213 Riverside San Bernardino Mountains: Morongo Indian Reservation, upper Hathaway Canyon, ca. 1.25 miles north of the junction of the lower and upper canyons. Comment
  RSA282932  Scrophularia californica subsp. floribunda C. W. Tilforth, B. Busenberg 1980-4-17 2017 Riverside Open slope south of Toolbox Spring Campground along Thomas Mtn. Rd., south of Lake Hemet, west of Hiway 74. Comment
  CAS-BOT-BC214218  Scutellaria bolanderi subsp. austromontana Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  SDSU8013  Scutellaria tuberosa D. F Howe 1947-4-29 1554 Riverside Santa Ana Mts. Comment
  SEINET7063428  Selaginella asprella A. G. Vestal 1947-3-30 s.n. Riverside Along Route 74, San Jacinto Valley. UTM Zone 11, 514767mE, 3733157mN. (WGS84/NAD83). 582 Comment
  IRVC3584  Selaginella bigelovii R. H. Whittaker, W. A. Niering 1963-5-29 SJ 57 Riverside Mountain Center to Hemet. San Jacinto Mountains 640 Comment
  SEINET2043064 Image available Selaginella bigelovii A. C. Sanders, O . F. Clarke, P. MacKay, S. White, C. L. Sanders 1994-11-27 15867 Riverside Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East fork. 268 Comment
  RSA85943  Selaginella eremophila Frank W. Peirson 1920-12-28 s.n. Riverside Murray Canyon, near Palm Springs 304 Comment
Read comments
May 4 2007
  UC1537031  Senecio californicus Gordon H. True 1935-3-11 77 Riverside Box Springs 365 Comment
  UCR214007  Senecio californicus Scott D. White, Angelia Carey 2004-4-5 9942 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  SEINET6692566 Image available Senecio douglasii Norman C. Cooper 1944-5-20 2624 Riverside Palms to Pines Hwy. San Jacinto Mtns. Comment
  RSA735230  Senecio flaccidus Scott D. White, Angelia Carey 2004-6-4 10479 -B Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  UC831930  Senecio flaccidus var. monoensis I. W. Clokey 1935-4-17 6937 Riverside Cottonwood Springs Comment
  UCR50293  Senecio mohavensis B. G. Pitzer, S. J. Myers, J. Wilkinson 1988-2-21 0606 Riverside Sonoran (Colorado) Desert, S end of Coxcomb Mtns, 0.2 mi. north of Hwy 177 (Old Desert Center - Rice Road), at 10.6 mi. NE of Desert Center 229 Comment
  JEPS17286  Senecio triangularis Carl V. Meyer 1928-7-26 536 Riverside Deer Springs San Jacinto Mountains 2590 Comment
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Aug 30 2011
  RSA0096810  Senecio vulgaris Duncan S. Bell, Andrew Chambers 2015-3-12 7786 Riverside San Gorgonio Wilderness area; Whitewater Canyon; about 0.75 air miles northeast of Red Dome. 863 Comment
  UCD108464  Senegalia greggii A. C. Sanders; T. B. Salvato 2000-4-27 23373 Riverside Coachella Valley: east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60. 15 Comment
  JOTR31960  Senna armata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2196 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; deep-cut drainage in southwest Pinkham Wash Comment
  SBBG25154  Senna armata Leota Davidson 1965-5-13 138 Riverside Joshua Tree Nat Monument Comment
  SEINET7347857  Senna armata H. M. Hall 5843 Riverside Colorado Desert, Canon Springs Comment
  UCR122570  Sesbania herbacea George K. Helmkamp, E. A. Helmkamp 2000-8-29 5984 Riverside Colorado Desert., South of Mecca, where Lincoln St. crosses the Whitewater River, about 0.5 mile from the Salton Sea -67 Comment
  UCR59670  Sesuvium verrucosum Steve Boyd, T. Roos, et al 1989-5-7 3549 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  RSA676037  Setaria adhaerens Scott D. White 2001-4-11 8291 Riverside SONORAN DESERT: Indio Hills foothills / Coachella Valley. Northern terminus f Rio Del Sol Road, about 2 miles north of Thousand Palms. 146 Comment
  CAS-BOT-BC243634  Setaria pumila S. B. Parish 1912-10-13 8244 Riverside Mecca, Salton Basin -57 Comment
  UCR17432  Setaria pumila Edward G. Wegenek 1970-8-24 LASCA- 952 Riverside Sonoran (Colorado) Desert, Blythe area, SE part of county 79 Comment
  POM13266B  Sidalcea malviflora subsp. sparsifolia P. A. Munz, I. M. Johnston 1922-5-19 5441 Riverside Hemet Valley, San Jacinto Mountains, 1 mile from Garner Ranch. 1372 Comment
  RSA433914  Sidalcea malviflora subsp. sparsifolia N. C. Cooper 1944-4-22 1133 Riverside Banning. 762 Comment
  CAS-BOT-BC109429  Sidotheca emarginata James L. Reveal; Barbara J. Ertter 1976-6-30 4570 Riverside Santa Rosa Mountains, along the dirt road to Santa Rosa Mountain, 4.6 miles south of California Highway 74. 1828 Comment
  CAS-BOT-BC434389  Sidotheca trilobata John Thomas Howell 1931-5-30 6614 Riverside Santiago Peak, Santa Ana Mts. Comment
  RSA801950  Sidotheca trilobata LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6161 Riverside 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
  RSA525341  Silene antirrhina Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4440 Riverside Vail Lake area, summit of Big Oak Mtn, N of lake 762 Comment
  HSC86950  Silene gallica B. Pitzer, E. Misquez 1988-2-28 634 Riverside SW of Murrieta, Walker Basin, Avenida del Oro, 2 mi. S of Rancho California Rd. 427 Comment
  RSA614636  Silene multinervia D. L. Banks 1997-3-29 1560 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
  SBBG33799  Silene parishii R. Moran 1968-8-3 15369 Riverside N slope, 1 mi W of summit, Santa Rosa Mtn 2150 Comment
  SD28100  Silene parishii Carl B. Wolf 1932-8-5 3981 Riverside San Jacinto Mountains; summit of San Jacinto Peak. 3290 Comment
  UC465645  Silene parishii F. M. Reed 1908-7-12 2548 Riverside near Surprise Lake; San Jacinto Mts., near <?>rizo Lake 2743 Comment
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Jul 22 2010
  RSA335004  Silybum marianum Steve Boyd 1985-7-30 1048 Riverside De Luz Rd. 7.8 mi west of Rancho California. Comment
  UC1130470  Simmondsia chinensis C. Van Fleet 1931-1-22 7 Riverside Wilson Creek; San Jacinto Quad., Wilson Creek Comment
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Nov 27 2011
  UC192524  Simmondsia chinensis Samuel B. Parish Mar 1884 9 Riverside Colorado Desert Comment
  CAS-BOT-BC126712  Sisymbrium altissimum A. C. Sanders; Matthew Malle 2010-4-23 38007 Riverside Peninsular Range: Menifee Hills, south of Sun City, south