Search Results — 2000 specimen records retrieved (1911 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
  SBBG94854  Abies concolor F. C. Vasek 1977-11-25 771125 -8 Riverside Cinco Posos Spring below Black Mtn Lookout Comment
  CAS-BOT-BC229324  Abronia villosa Lester Rowntree 1937-5-27 s.n. Riverside Box Canon [Canyon] Comment
  CAS-BOT-BC229326  Abronia villosa R. F. Hoover 1969-4-14 11232 Riverside Palm Springs, just south of south city limit Comment
  CAS-BOT-BC229358  Abronia villosa C. L. Hitchcock 1940-4-4 5951 Riverside Pinto Basin Comment
  SBBG69829  Abronia villosa M. N. Ackley -Mar-1922 711 Riverside Murrieta Hot Springs 398 Comment
  SDSU8419  Abronia villosa A. H. Gallup 1949-3-28 399 Riverside On desert floor 2 miles south of Palm Springs. 91 Comment
  RSA784962  Abronia villosa var. aurita Duncan S. Bell 2012-3-18 3226 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  RSA776934  Abronia villosa var. aurita Amber Swanson, Duncan S. Bell 2011-3-11 217 Riverside Willis Palms loop at boundary of Coachella Valley Preserve, near end of Willis Rd on sides of wash 124 Comment
  SEINET3347400 Image available Abronia villosa var. villosa Jim Andre, T. La Doux 2009-2-25 10833 Riverside Sonoran (Colorado) Desert; Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  UCR214293  Abronia villosa var. villosa A. C. Sanders, Richard Dwerlkotte 2010-3-22 37510 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  UCR58465  Acacia dealbata J. A. Adams 1966-3-12 434 Riverside Santa Ana Mtns., Hwy 74, above Lake Elsinore, toward Capistrano 610 Comment
  RSA20296  Acacia greggii var. arizonica Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9563 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  CDA3976  Acacia redolens A. C. Sanders, T. B. Salvato 2001-3-3 23856 Riverside Perris-Aguanga Basin region; Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada Comment
  JOTR34399  Acamptopappus sphaerocephalus var. sphaerocephalus Andre, Jim 2012-4-16 20933 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  POM13607  Acamptopappus sphaerocephalus var. sphaerocephalus E. C. Jaeger 1921-4-1 1138 Riverside Mission Creek Wash Comment
  CLARK-A1528-1375  Acer negundo subsp. californicum John C. Roos 1952-6-25 5790 Riverside Fairmont Park Comment
  CAS-BOT-BC20351  Achillea millefolium P. Raven; R. Snow 1957-7-26 11108 Riverside Meadow just below Vista Grande Ranger Station, Banning - Idyllwild road, San Jacinto Mts. Comment
  UCSB26800  Achillea millefolium Wilken, Dieter 1969-6-30 Riverside California State Highway 74, 0.5 miles west of Keen Camp Summit, San Jacinto Mtns. Comment
  RSA500543  Achnatherum coronatum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3615 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  RSA564291  Achnatherum coronatum Ed LaRue 1993-5-10 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side of Hwy 215 457 Comment
  UC127467  Achnatherum speciosum H. M. Hall 1905-5-10 6004 Riverside Cottonwood Pass Colorado Desert 609 Comment
  UC1601392  Achnatherum speciosum H. M. Hall May 1899 1177 b Riverside Riverside, El Toro Mt. El Toro Mt. 1524 Comment
  RSA423486  Achyronychia cooperi M. B. Dunkle 4980 Riverside Colorado Desert, east of Indio. Comment
  RSA776378  Achyronychia cooperi Amber Swanson 2011-4-8 377 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  UCR163923  Achyronychia cooperi A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29131 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  VVC165  Achyronychia cooperi F. Zaebst 1954-2-3 s.n. Riverside Colorado Desert, On gas pipe rd. 1.8 miles E of Jct w US 60, 8.2 mi E of Desert Center 246 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
  CAS-BOT-BC226246  Acmispon strigosus A. C. Sanders 2011-4-6 38995 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
  OBI59606  Acmispon strigosus David Charlton 1988-2-18 1178 Riverside S side of Little San Bernardino Mts. Fargo Canyon Rd to Cottonwood Wash, S of Joshua Tree national Park, parallel to I-10. 5 mi E of Jct Dillon Rd and Fargo Cyn Rd 762 Comment
  SD241728  Acourtia microcephala A. C. Sanders, John F. Green. 2012-6-25 40311 Riverside Peninsular Range; Santa Ana Mountains Region: Temescal Canyon near Hostettler Road, south of I-15, narrow canyon draining from vicinity of Palomino Creek Drive at end of Calendula Street (Alberhill 7.5'Q) 387 Comment
  UCR112408  Acourtia microcephala A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23457 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  HSC47596  Adenophyllum porophylloides Richard Spjut, C. E. Edson 1978-5-6 5031 Riverside Colorado Desert; N face of Chuckawalla Mountains, ca. 2.7 miles south of Desert Center 335 Comment
  RSA390499  Adenostoma fasciculatum var. fasciculatum M. B. Dunkle 1933-7-24 3679 Riverside Idylwild Road 1372 Comment
  RSA679175  Adenostoma sparsifolium Richard L. Zembal 2003-7-11 5962 Riverside Santa Ana Mtns.: Just east of Bear Creek, 0.5km Upper San Juan Campground. On gentle ridge with north-facing aspect 668 Comment
  RSA0036104  Adiantum capillus-veneris Norman C. Cooper 1944-4-8 1090 Riverside Andreas Canyon. 457 Comment
  SEINET273140 Image available Adiantum jordanii A. C. Sanders 1997-3-26 20103 Riverside Lake Skinner Area; along foot trail at W base of Tucalota Hills UTM 10km cell; MH-9E 1N. Skinner Reservoir 518 Comment
  RSA5908  Agrostis idahoensis C. B. Wolf 1932-8-5 3945 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2561 Comment
  SEINET1908637 Image available Agrostis pallens A. C. Sanders, Mitch Provance 2008-1 35792 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station (Idyllwild 7.5' Q.) 1450 Comment
  SEINET14046490  Agrostis pallens S. D. White, M. Honer, D. Hannon 2003-6-24 9586 Riverside Near Rainbow Valley; mountains W of I-15 freeway and immediately N of San Diego Co. border. 335 Comment
  RSA71927  Aliciella latifolia F. W. Peirson 1926-1-31 6498 Riverside Dos Palmas Spring, NE of Mecca Comment
  RSA4886  Allionia incarnata Carl B. Wolf 1932-4-27 3002 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  CAS-BOT-BC131979  Allium haematochiton S. Mashayekhi; M. Biabani 2008-4-6 SM 010 Riverside Ortega Hwy 74, 5.9 miles from S. main divide, below the Radio Tower 971 Comment
  RSA524402  Allium haematochiton Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4094 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA500142  Allium lacunosum var. lacunosum Robert F. Thorne, E. W. Lathrop 1975-5-25 45560 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  SD137979  Allium marvinii Darin L. Banks, Steve Boyd 1995-5-9 397 A Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, the Dorland Mountain area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground. 790 Comment
Read comments
Jul 31 2010
  UC154668  Allium marvinii Rensselaer J. Smith May 300 Riverside Beaumont Hills Comment
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Apr 2 2011
  CDA2749  Allium neapolitanum Joyce Davis 1962-3-27 Riverside 3957 6th Street, Riverside. 0 Comment
  HSC84077  Allium parryi Dale McNeal 1981-5-20 2545 Riverside Morris Ranch Rd., 2.2 mi. E of Hwy. 74 at Kenworthy R.S., San Bernardino National Forest Comment
  POM158461  Allium peninsulare var. peninsulare Philip A. Munz 1927-5-20 10823 Riverside 10 miles S. of Hemet. Comment
  CAS-BOT-BC475411  Allium praecox Mrs. Wilder 1905-4-1 s.n. Riverside Riverside, Calif. Comment
  CLARK-A1528-1513  Allium praecox John C. Roos 1952-4-2 5468 Riverside Box Springs 426 Comment
  UCR1596  Allium praecox David L. Davis 1962-4-15 25 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, Sycamore Canyon, c. 1.5 mi south of Pennsylvania [=Martin Luther King] Ave., 0.5 mi east of Canyon Crest Drive 366 Comment
  SEINET12043914  Allium praecox I. W. Clokey, Anderson, E. G. 1935-1 6550 Riverside E of Hemet 640 Comment
  UCR262234  Allophyllum gilioides subsp. violaceum T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3730 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
  RSA655214  Allophyllum glutinosum Scott D. White 1999-7-9 7530 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road S24.2. 1432 Comment
  UCR138611  Alnus rhombifolia D. L. Banks 1996-11-7 1189 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, c. 200 m NW of the spring on the N fork of Pechanga Creek, at the E end of the Reservation 457 Comment
  RSA596536  Amaranthus albus D. L. Banks, Lauren Raz 1996-8-29 1137 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Arroyo Seco, N of Wildhorse Peak, before the drainage bends to the S. 548 Comment
  CAS-BOT-BC540846  Amaranthus fimbriatus Sarah J. De Groot; Duncan S. Bell 2015-9-21 7579 Riverside Santa Rosa Mountains SSW of Palm Desert. Hillside along Dunn Rd, between Asbestos Mountain and Haystack Mountain, ENE of Potrero Spring 1220 Comment
  UCR272670  Amaranthus fimbriatus Sarah J. De Groot, Duncan S. Bell 2015-9-21 7579 Riverside Peninsular Range; Santa Rosa Mountains, SSW of Palm Desert, hillside along Dunn Road, between Asbestos Mountain and Haystack Mountain, ENE of Potrero Spring 1220 Comment
  UCR281910  Amaranthus fimbriatus A. C. Sanders, Jim Malusa 2017-9-21 43352 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  RSA451024  Amaranthus palmeri Stephen M. Beckstrom-Sternberg 1985-9-10 1014 Riverside U.C.R. garden plots. Comment
  RSA451153  Amaranthus palmeri Stephen M. Beckstrom-Sternberg 1985-9-10 1022 Riverside U.C.R. garden plots. Comment
  RSA702047  Amaranthus palmeri Scott D. White, Angelia Carey 2004-9-16 10756 Riverside Roadside, intersection of Soboba Road and Castile Canyon Rd. 509 Comment
  IRVC19740  Ambrosia dumosa J. T. Smiley 1983-4-9 19 Riverside Philip L. Boyd Deep Canyon Desert Research Center; student study area. northern Sonoran Desert Comment
  RSA0033750  Ambrosia dumosa Jim Andre 2013-3-27 24843 Riverside Riverside Mountains; along Wilson River Crossing Rd., 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct. 114 Comment
  RSA608660  Ambrosia dumosa R. S. Woglum 1937-04 298 Riverside Mojave Desert: Palm Springs. Comment
  RSA796102  Ambrosia dumosa Duncan S. Bell 2009-4-20 318 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  UCR60795  Ambrosia dumosa Steve Boyd, O. Mistretta 1986-3-13 1420 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 244 Comment
  RSA776937  Ambrosia ilicifolia Amber Swanson, Duncan S. Bell 2011-3-18 220 Riverside About 3 airmiles SE of Desert Center, N of Chuckwalla Mtns. 392 Comment
  CAS-BOT-BC273030  Ambrosia salsola Roxana S. Ferris 1953-3-9 12597 Riverside Access road to Los Angeles Aqueduct up Berdoo Canyon, about 2 miles northeast of Indio-Desert Hot Springs road Comment
  JEPS20779  Ambrosia salsola var. salsola Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13235 Riverside 11.3 mi n Blythe (U.S. 95 in wash arising in Big Maria Mts.); Big Maria Mts. Comment
  UC1287117  Ambrosia salsola var. salsola C. L. Hitchcock 1966-3-16 24217 Riverside hills 4 mi s Palm Desert (along Palms to Pines Hwy) Comment
  UC480978  Ambrosia salsola var. salsola unknown May 1 1906-May 10 1906 Riverside desert at Palm Springs; Colorado Desert Comment
Read comments
Apr 17 2011
  JOTR32964  Amelanchier utahensis La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2715 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  UCR188890  Ammannia coccinea Fred M. Roberts, S. Leatherman 2007-9-19 6579 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR43346  Amorpha californica R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61186 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: Cole Canyon. 534 Comment
  LA204911  Amorpha californica var. californica Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, San Gorgonio Wash Comment
  UCR133457  Amorpha californica var. californica Tracy Tennant, J. S. Ross 1998-7-30 MOR- 677 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Hathaway Canyon, slope above and west of polygon H3. 976 Comment
  POM15156  Amorpha fruticosa Mary F. Spencer 1922-4-16 1442 Riverside Eagle Canyon 122 Comment
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Aug 8 2010
  RSA568712  Amorpha fruticosa Walter Wisura, Bart O'Brien, Lorrae Fuentes 1992-9-20 4831 Riverside Santa Rosa Mtns., 0.5 miles S of Hwy 74 along rd. to Toro Peak. Comment
  POM12214  Amsinckia intermedia Mary F. Spencer 1921-5-30 s.n. Riverside Canyon near San Jacinto. 549 Comment
  POM3931  Amsinckia intermedia I. M. Johnston 1918-5-30 876 Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  SD187373  Amsinckia menziesii Scott D. White, Angelia Carey 2004-4-16 10173 Riverside Indian Creek and adjacent slopes. 548 Comment
  POM14171  Amsinckia tessellata P. A. Munz, D. Keck 1922-4-12 4903 Riverside Vicinity of Corn Springs, Chuckwalla Mountains Comment
  UCR116600  Amsinckia tessellata A. C. Sanders 2001-4-8 23986 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  RSA586309  Anagallis arvensis D. L. Banks, S. D. Boyd 1995-5-3 220 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
  UCR22136  Anagallis arvensis Steve Boyd 1980-5-17 287 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  RSA296148  Anagallis arvensis Barry A. Prigge 1980-8-19 3996 Riverside Whitewater Canyon: 0.7 miles WNW of trout farm. 720 Comment
  RSA342553  Andropogon glomeratus R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54093 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  SDSU13503  Anemopsis californica W. Miller with C. Mosse 1972-7-20 Riverside West of R.C. Weather Station. Comment
  RSA761266  Angelica Shawn Krosnick, Naomi Fraga, Lucinda A. McDade 2010-8-14 665 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA77438  Angelica tomentosa F. W. Peirson 1924-7-29 5024 Riverside Open Mountain slope on road from Banning to Idyllwild, San Jacinto Mountains. 1677 Comment
  JOTR32141  Anisocoma acaulis La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2297 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy, braided ephemeral wash flowing northeast (Stop 2) Comment
  OBI37456  Antirrhinum coulterianum Jennifer Lyman 1981-5-22 s.n. Riverside San Jacinto Mts. E side of mt San Jacinto. USFS San Jacinto Mtn 1829 Comment
  POM29600  Antirrhinum coulterianum Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA425776  Antirrhinum coulterianum Ora M. Clark 1929-3-16 1686 Riverside Near Cabazon, Colorado Desert. Comment
  RSA78284  Antirrhinum coulterianum Philip A. Munz, E. K. Balls 1952-8-21 17971 Riverside Vandeventer Flats, SE end of San Jacinto Mtns. 1402 Comment
  SEINET3158871  Antirrhinum coulterianum D. M. Jackson, R. W. Spellenberg 1972-5-19 193 Riverside 3.4 mi SW of Anza and Cary Rd. and California State Hwy 71 intersection on recently disturbed area Comment
  POM177870  Antirrhinum filipes Marcus E. Jones 1930-4-2 s.n. Riverside Hayfields Comment
Read comments
Sep 16 2011
  SEINET270927 Image available Antirrhinum filipes Richard J. Shaw 1096 Riverside Joshua Tree National Monument ; Rare in Octillo Garden between White Tank and South Entrance. Comment
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May 13 2016
  UCD123468  Antirrhinum nuttallianum A. C. Sanders 1997-3-19 20050 Riverside Lake Skinner area: northeast of Bachelor Mtn., small canyon below dry falls, north of dirt track off road from Rawson Canyon. Comment
  UCR154379  Antirrhinum nuttallianum A. C. Sanders, Mike Misenhelter 2005-6-15 30957 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
  UC76434  Antirrhinum nuttallianum subsp. nuttallianum Miss M. Alice King May 1893 Riverside Menifee Comment
  UCR3275  Antirrhinum nuttallianum subsp. nuttallianum John Kitasako 1964-5-18 45275 Riverside Box Springs Mtns, Stone-face Canyon, side of reservoir at end of Two Trees Rd. 549 Comment
  POM128366  Apiastrum angustifolium Thos Craig 1927-4-23 203 Riverside Glen Ivy. Comment
  SEINET7063233  Apiastrum angustifolium 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]. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 887 Comment
  UC1608306  Apocynum cannabinum Steve Boyd, Tim Ross, and Dave Bramlet 1993-5-12 7327 Riverside San Mateo Canyon from confluence with Los Alamos Canyon to confluence with Tenaja Canyon; S. Santa Ana Mts., San Mateo Canyon Wilderness Area 365 Comment
  UCR52584  Arabis Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mtns, along dirt road to the north of Castille Canyon Dr. at Poppet Flat, off Hwy 243. Comment
  RSA741070  Arabis glabra Scott D. White, Justin M. Wood 2008-6-5 12078 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UC667363  Arabis glaucovalvula Annie M. Alexander and Louise Kellogg 1941-5-4 2110 Riverside Joshua Tree National Monument 1249 Comment
  UCR20547  Arabis pulchra W. W. Mayhew 1977-6-12 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  UCR174539  Arabis sparsiflora Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 357 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243 at turnout next to Soboba Penny Pines Plantation (c. 0.25 mi. above Bay Tree Spring) 1601 Comment
  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
  SEINET12524571 Image available Arctostaphylos glandulosa M. F. Buell, Helen F. Buell 1961-1 s.n. Riverside Santa Ana mts, S of Corona. 1158 Comment
  RSA50293  Arctostaphylos glandulosa subsp. leucophylla E. K. Balls 1949-5-4 13483 Riverside 2 miles west of Fuller Creek Campground. San Jacinto Mtns. 1494 Comment
  RSA629458  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16814 Riverside Rd. to Thomas Mtn. (5S15), 9.5 km north of Toolbox Spring. 1640 Comment
  UCR124132  Arctostaphylos glandulosa subsp. leucophylla Steve Boyd, D. E. Bramlet 1988-10-8 2869 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  UCR95942  Arctostaphylos glandulosa subsp. leucophylla Scott D. White 1996-8-1 4450 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  UCR241480  Arctostaphylos glandulosa subsp. mollis Tracy Tennant, Jeffrey Ross 1998-4-9 MOR- 1014 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Wood Canyon, east of upper Potrero Canyon 1305 Comment
  UC1121519  Arctostaphylos glandulosa subsp. zacaensis A. E. Wieslander 1936-8-29 680 Riverside 5 mi sw Rayneta; San Bernardino National Forest, San Jacinto Quadrangle 1524 Comment
  RSA631754  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19269 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631803  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20166 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 6 km south of Pinyon Pines, Santa Rosa Mountains. 1585 Comment
  UCR133451  Arctostaphylos glauca Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 473 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR278097  Arctostaphylos glauca A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42677 Riverside Peninsular Range; San Jacinto Mountains, Along Hwy 74 below Mountain Center and above White Post Turn, c. 3.1 miles below McCall Park Rd. 1216 Comment
  UCR93093  Arctostaphylos glauca Scott D. White 1995-12-24 3801 Riverside Lakeview Mtns, c. 7 road mi. SE of Davis Road - Ramona Expressway intersection 671 Comment
  RSA633541  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22666 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633547  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21794 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633550  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21788 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633623  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16697 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633639  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20145 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633661  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16668 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633664  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16651 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633695  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21762 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA633710  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21761 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA633756  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16709 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA635302  Arctostaphylos patula Jon E. Keeley 1992-11-5 22505 Riverside Along trail to Laws Camp, San Jacinto wilderness area, east of Idyllwild ca. 25 km. 2250 Comment
  RSA635601  Arctostaphylos peninsularis subsp. peninsularis Jon E. Keeley 1992-7-17 16739 Riverside Morris Ranch Rd. (6S06), 6.3 km east of Hwy 74, western base of Pyramid Pk., San Jacinto Mountains. 1680 Comment
  UC527225  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1931-5-11 1948 Riverside ridges near Pipe Creek (above Hemet Valley); San Jacinto Mts. 1676 Comment
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Mar 24 2011
  UCD52967  Arctostaphylos pringlei subsp. drupacea I. W. Clokey; E. G. Anderson 1935-4-16 7888 Riverside Hemet. 900 Comment
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Mar 16 2007
  UCSB4756  Arctostaphylos pringlei subsp. drupacea Gill, Robert 1959-11-22 Riverside Idyllwild; San Jacinto Mt. Range; Pacific slope drainage area 1645 Comment
  RSA635804  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16543 Riverside Red Mountain Road, 8.7 km east of R3. 1000 Comment
  SD229132  Arctostaphylos pungens Dick Schwenkmeyer 2012-3-26 670 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  CAS-BOT-BC158114  Arctostaphylos rainbowensis S. J. Myers 1993-1-22 s.n. Riverside Peninsular Range; Santa Ana Mtns.: Santa Rosa Plateau, SW of Mesa de Colorado, Carancho Rd. at Tortuga Rd. 396 Comment
  RSA192300  Arctostaphylos rainbowensis H. A. Zuill 1966-6-5 203 Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
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Oct 23 2013
  RSA636004  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19551 Riverside Carancho Rd., W. of Temecula. 440 Comment
  SDSU17424  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-9 410 Riverside Santa Margarita Ecological Reserve, on ridgeline above the Santa Margarita River to the south. 300 Comment
  UCR79485  Arenaria douglasii Steve Boyd, T. S. Ross, D. E. Bramlet 1993-5-12 7340 Riverside S Santa Ana Mtns, San Mateo Canyon Wilderness Area. San Mateo Canyo, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon 427 Comment
  RSA127721  Argemone corymbosa subsp. corymbosa John H. Thomas 1949-4-23 455 Riverside 9 miles north of DEsert Center, near Boulder Well, on highway between Desert Center and Rice. Comment
  UCR120662  Argemone munita D. E. Bramlet, P. Jacks, S. Goode 1989-4-6 1803 Riverside Perris-Aguanga Basin, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  CAS-BOT-BC401653  Argemone munita subsp. argentea Philip A. Munz 1940-3-23 15675 Riverside South base, Pinto Mts., road Dale to Cottonwood Springs 609 Comment
  JOTR35938  Aristida adscensionis De Groot, Sarah J., Evan Meyer and Abby Hird 2013-3-23 6886 Riverside Joshua Tree National Park. north and northwest part of Lost Palms Oasis 960 Comment
  UC1714479  Aristida adscensionis I. M. Johnston 1918-4-27 1861 Riverside Temescal Canyon 365 Comment
  UCSB52573  Aristida adscensionis Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon; Whittaker transect #W-217 173 Comment
  HSC78527  Aristida purpurea J. C. Roos 1966-4-29 Riverside Hills between March AFB and Lakeview Comment
  POM1094  Aristida purpurea var. nealleyi I. M. Johnston 1010 Riverside Mouth of Andreas Canyon. 244 Comment
  UC576337  Aristida purpurea var. nealleyi H. S. Yates 1937-6-27 6721 Riverside Deep Canyon Thermal Quadrangle (head) 1219 Comment
  UCR24427  Aristida purpurea var. parishii John C. Roos 1941-8-2 s.n. Riverside San Jacinto Mtns., east of Hemet, on the road to Idyllwild 762 Comment
  IRVC493  Artemisia dracunculus R. H. Whittaker, W. A. Niering 1963-6-11 SJ 391 Riverside Summit Toro Peninsular Ranges, Santa Rosa Mountains 2652 Comment
  UC29672  Artemisia dracunculus H. M. Hall 1901-6-8 2012 Riverside San Jacinto River Canyon San Jacinto Mountains, San Jacinto River Canyon 762 Comment
  RSA90135  Artemisia dracunculus E. K. Balls, Percy C. Everett 1953-8-19 18531 Riverside On Hwy from Banning to Idyllwild, SE from Lake Fullmore. 1677 Comment
  UCR274224  Artemisia ludoviciana Duncan S. Bell 2014-11-14 7707 Riverside Santa Rosa Mountains, Santa Rosa Mountain Wilderness area, west side of Martinez Mountain, at meeting point of Horsethief Creek and the Cactus Spring Trail 1055 Comment
  CAS-BOT-BC90853  Artemisia nova Louis B. Ziegler 1964-8-15 s.n. Riverside on an area of about ten across about one and one-half miles north of Kenworthy Ranger Station, Garner Valley, 1615 Comment
  RSA417379  Artemisia spinescens Anstruther Davidson 1893-4-12 s.n. Riverside Palm Springs. Comment
  SEINET3386498 Image available Artemisia tridentata subsp. tridentata R. E. Riefner Jr. 2006-9-19 442 Riverside Temecula Valley, ca 0.1 mi west of I-15 Freeway along Temecula Creek 301 Comment
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Feb 28 2016
  CLARK-A1656-632  Asclepias albicans Lois Ann Scott 1978-4-18 Riverside Mecca Hills 304 Comment
  POM3353  Asclepias californica P. A. Munz 1918-4-27 2151 Riverside Temescal Canyon Comment
  UCR91900  Asclepias californica A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18122 Riverside San Bernardino Mtns, Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats 1100 Comment
  CSUSB90  Asclepias eriocarpa Morse 1974-7-15 S. N. Riverside San Jacinto Mountains 0.5 mile east of Garner Ranch Entrance on Highway 74 1371 Comment
  UCSB12491  Asclepias erosa Breedlove, Dennis 1961-9-11 Riverside 20 mi. W of Blythe on U.S. 60-70 1066 Comment
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Mar 29 2014
  JEPS5155  Asclepias subulata W. L. Jepson Oct 22 1912-Nov 7 1912 5236 Riverside near Riverside Mts.; Colorado River 45 Comment
  UCR72211  Asclepias subulata Theo Glenn 1991-5-2 91- 126 Riverside Sonoran (Colorado) Desert, Arica Mtns., SW of Rice 340 Comment
  UCR82887  Asclepias subulata A. C. Sanders, S. White & C. Sanders 1994-10-9 15829 Riverside San Bernardino Mtns., Mission Canyon Road 520 Comment
  POM944  Aspidotis californica O. W. Robinson 1916-3-28 s.n. Riverside Miller's Canyon, Murrieta. Comment
  RSA21765  Astragalus aridus C. B. Wolf 1937-4-6 8437 Riverside Coachella Valley, 3 miles N of Indio. 0 Comment
  JOTR32363  Astragalus coccineus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2478 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (Stop 3) Comment
  UCR78449  Astragalus coccineus Scott D. White 1993-4-9 1199 Riverside San Jacinto Mtns, eastern Garner Valley area, near intersection of Hwy 371 and Hwy 74. Comment
  SD260245  Astragalus didymocarpus Mitch Provance 2013-2-16 213 1 Riverside Santa Ana River Valley: Riverside, Arlanza area, W side of Hole Lake and adjacent mesa (Riverside West 7.5'Q) 226 Comment
  UCR20403  Astragalus didymocarpus var. didymocarpus John C. Roos 1952-4-9 5484 Riverside Hill by Fairmont Park, Riverside 259 Comment
  CAS-BOT-BC178434  Astragalus douglasii var. parishii Peter H. Raven; Sidney R. Snow 1956-7-6 9662 Riverside On deserty roadbanks, 1.5 miles from hemet Road on roat to Aquanga, San Jacinto Mts. Comment
  CAS-BOT-BC178436  Astragalus douglasii var. parishii E. A. McGregor 1943-6-12 20 Riverside Idyllwild, San Gabriel Mountains Comment
  JEPS54610  Astragalus douglasii var. parishii W. L. Jepson 1901-5-19 1301 Riverside Strawberry Valley Mt. San Jacinto, Strawberry Valley Comment
  POM250461  Astragalus douglasii var. parishii I. W. Clokey, E. G. Anderson 1935-8-21 6718 Riverside East of Keen Camp P. O. 1350 Comment
  RSA185773  Astragalus douglasii var. parishii I. L. Wiggins 1966-6-4 20670 Riverside 2 miles SW of Idyllwild 1622 Comment
  RSA505019  Astragalus douglasii var. parishii D. Charlton 1988-5-21 1918 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on Hwy 74. 1829 Comment
  UC14752  Astragalus douglasii var. parishii H. M. Hall June, 1901 2123 Riverside eastern base San Jacinto Mountains (along the borders of the Colorado Desert); eastern base San Jacinto Mountains, Colorado Desert Comment
  UC410714  Astragalus douglasii var. parishii Mrs. E. C. Van Dyke Jul 22 1928-Jul 28 1928 Riverside Idyllwild Comment
  UCR24924  Astragalus douglasii var. parishii A. C. Sanders 1980-7-18 1652 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UCR134639  Astragalus insularis var. harwoodii Nancy K. Cione 2004-5-2 s.n. Riverside Chuckwalla Valley, S of Eagle Mtns, NE of Hayfield Dry Lake, near Red Cloud Road 415 Comment
  CAS-BOT-BC187111  Astragalus lentiginosus var. borreganus John Thomas Howell 1928-3-11 3439 Riverside 6 miles se. of Garnet Station, Coachella Valley, Colorado Desert 152 Comment
  SD143257  Astragalus lentiginosus var. coachellae James C. Dice, Kimberly A. Nicol 1998-3-24 98032 2 Riverside Northwestern Colorado Desert, 5.1 miles north of Desert Center, along Stte Highway 177. 167 Comment
  UCR84217  Astragalus lentiginosus var. coachellae G. R. Ballmer, G. F. Pratt, Kay Stockwell 1995-2-12 s.n. Riverside San Bernardino / Colorado Desert, Mission Creek Canyon, near gate on Mission Creek Road east of the ranch 640 Comment
  CAS-BOT-BC192755  Astragalus palmeri Milo S. Baker 1928-4-4 2851 b Riverside Hiway a few mies South Palm Sps. Comment
  CLARK-A1045-116  Astragalus palmeri George K. Helmkamp 1978-4-1 Riverside Pinyon Flat Pinyon Pine[s] area, [flats] above Deep Canyon; Palm Desert 15'Q Comment
  CAS-BOT-BC194139  Astragalus pomonensis H. A. Zuill 1966-6-29 265 Riverside Cole Canyon, 2 miles SW Murrieta Comment
  SEINET3860170  Astragalus pomonensis John F. Green 2009-3-7 s.n. Riverside Peninsular Range: Wildomar, west of Grand Ave off Sweet Nectar Rd.; 0 415 Comment
  UCR120921  Astragalus pomonensis A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24943 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR50292  Astragalus tricarinatus B. G. Pitzer, J. L. Hall, H. P. Hall 1987-5-23 0575 Riverside San Bernardino Mtns., Whitewater Canyon, from N edge of Fish Hatchery to c. 0.5 mi north of it; c. 5.5 mi north of I-10 on Whitewater Cyn Rd. 732 Comment
  CAS-BOT-BC66100  Athyrium filix-femina var. cyclosorum Louis C. Wheeler 1931-10-3 198 Riverside 1 mi. NW Tahquitz Pk, San Jacinto Mts. 1859 Comment
  RSA699820  Athysanus pusillus Scott D. White, Michael Honer 2003-4-4 8929 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UCR207358  Athysanus pusillus O. F. Clarke 1997-3-8 s.n. Riverside Peninsular Range, Box Springs Mtns., east edge of Riverside, along Box Springs Mtn. Rd. 668 Comment
  JOTR31971  Atrichoseris platyphylla La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2208 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  SD258308  Atrichoseris platyphylla J. M. Andre 2013-3-27 24822 Riverside Parker SW; Riverside Mountains; east side of riverside Mountains, along Hwy 95, 13.2 mi south of Vidal Jct. 125 Comment
  SD174864  Atriplex Mark A. Elvin 2005-5-24 4317 Riverside Southern Coastal: Perris; east of I-215; south of San Jacinto River; northwest corner of junction Ellis Avenue and first road east of I-215. Perris 7.5' quad. 427 Comment
  POM278695  Atriplex canescens Grant D. Brown 1950-3-29 525 Riverside At San Jacinto River Bridge 3 miles N of San Jacinto Comment
  RSA554627  Atriplex canescens Scott D. White 1992-9-2 769 Riverside Vicinity of Gilman Hot Spirngs, N side of San Jacinto River, and a thin strip tending N of the river & W of the Hot Springs. 451 Comment
  SD212554  Atriplex canescens A. C. Sanders, J. Andre, et al. 2005-2-26 29128 Riverside Sonoran Desert; southeast of Highway 177 toward dunes above Palen Dry Lake, southeast end of Coxcomb Mountains. 167 Comment
  POM278955  Atriplex canescens var. linearis Grant D. Brown 1951-3-28 615 Riverside Date Palm Beach Comment
  UCR266256  Atriplex coronata var. notatior D. E. Bramlet, Michelle Balk, R. E. Riefner Jr. 2006-4-3 3924 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, west Hemet area, north of Stetson Ave. and east of the EMWD canal 456 Comment
  UCR70540  Atriplex coronata var. notatior D. E. Bramlet 1991-6-1 2175 Riverside San Jacinto Valley, San Jacinto River, c. 1.6 km west of Nuevo & 67 m north of end of 11th St.; about 10 m east of the river 473 Comment
  UCR103481  Atriplex davidsonii D. E. Bramlet 1995-6-21 2442 Riverside San Jacinto Valley, San Jacinto Wildlife Area, Lovell Unit. The site is located 1.4 km east of Davis Road and 152m south of the existing access road. the site is 579m north of San Jacinto River Channel 435 Comment
  RSA719034  Atriplex elegans var. fasciculata Michael Honer 2005-3-11 2066 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  LA204681  Atriplex hymenelytra S. Beller; 1926-4-20 sn Riverside Palm Springs 121 Comment
  RSA65388  Atriplex hymenelytra F. W. Peirson 1926-2-22 6502 Riverside Thousand-Palms Canyon; Coachella Valley Comment
  RSA696357  Atriplex hymenelytra Anonymous s.n. Riverside Thousand Palms. Comment
  UCR148037  Atriplex hymenelytra Steve Boyd, Et al. 2004-5-14 11247 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 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 549 Comment
  CAS-BOT-BC169293  Atriplex lentiformis John Thomas Howell 1928-11-4 4082 Riverside 3 miles nw of Mecca on road to Indio, Coachella Valley Comment
  SEINET4135552  Atriplex polycarpa Howard C. Stutz 1977-11-18 8194 Riverside Indio, CA.; 0 Comment
  RSA702186  Atriplex semibaccata Scott D. White, Michael Honer 2004-3-11 9897 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  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
  CLARK-A1528-4497  Avena fatua John C. Roos 1952-4-9 5472 Riverside Riverside 274 Comment
  RSA779437  Avena fatua A. C. Sanders 1998-1-15 21647 Riverside along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  SEINET10656976  Avena fatua Nye Leith, Greg Gust 2005-3-11 Nye 59 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  UCR91523  Avena fatua Scott D. White 1995-3-30 2638 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  VVC547  Avena fatua A. C. Sanders, J. Mac 1997-5-4 20649 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  JOTR36019  Ayenia compacta Harding, Mitzi, T. Herskovits 2012-3-16 226 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  POM13848  Azolla filiculoides Edmund C. Jaeger 1921-7-15 1181 Riverside Massacre Canyon, near San Jacinto. Comment
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Nov 5 2011
  JOTR32849  Baccharis brachyphylla La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1169 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Queen Mountain, near north entrance to park; basalt rocky slopes 946 Comment
  POM10240  Baccharis emoryi E. A. Zumbro 1904-1 s.n. Riverside Cold Water Canyon, Santa Ana Mountains Comment
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Jul 4 2010
  UCR278378  Baccharis emoryi Mitch Provance 2012-9-5 912- 13 Riverside Beaumont Plateau, City of Beaumont, lower reaches of Potrero Creek, adjacent to Four Seasons Development, west side of Highland Springs Ave., 1.1 miles south of the I-10 freeway. 762 Comment
  RSA552717  Baccharis salicifolia Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-26 6686 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCR163590  Baccharis salicifolia O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  UCR270757  Baccharis salicifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8371 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 424 Comment
  UCR94240  Baccharis salicifolia Scott D. White 1996-4-14 3904 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
  SD229073  Baccharis salicifolia subsp. salicifolia Dick Schwenkmeyer 2012-10-16 846 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  SD144064  Baccharis salicina A. C. Sanders, P. MacKay, G. Helmkamp, J. Stewart & C. L. Sanders 1994-12-4 15882 Riverside Colorado Desert, Salton Sink: Dos Palmas oasis area, San Andres palm grove, 1.75 km WSW of Rancho Dos Palmas, marked see on Durmid 7.5' Quad Comment
  SD37249  Baccharis salicina Darley F. Howe 1945-10-20 1353 Riverside Between Orange and Corona Comment
  UC30364  Baccharis salicina E. G. Koethen 1897-10-16 Riverside West Riverside Comment
  SD137908  Baccharis sarothroides Darin L. Banks, Steve Boyd 1995-10-17 780 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area along lower Arroyo Seco. 515 Comment
  UCR260956  Baccharis sarothroides Duncan S. Bell 2013-1-30 4438 Riverside Sonoran (Colorado) Desert, the Mecca Hills, an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills Peak 1642 138 Comment
  UC1118926  Baccharis sergiloides C. Van Fleet 1931-1-22 4 Riverside Wilson Creek San Jacinto Quad. 762 Comment
  UC1303135  Baccharis sergiloides Carl B. Wolf 1932-10-12 4297 Riverside Pinyon Wells Little San Bernardino Mts., Conchilla Mts. 1219 Comment
  PASA2173  Baeria aristata Frank W. Peirson 1922-5-19 Riverside 5 miles northeast of Murietta 457 Comment
  CAS-BOT-BC295890  Bahiopsis parishii Nancy Ryan Zabriskie; Walter Zabriskie 1973-4-3 605 Riverside Poorwill Canyon, Andreas Canyon area, Palm Canyon drainage, E slope San Jacinto Mtns. (Site A-6) 426 Comment
  RSA552540  Bahiopsis parishii D. Charlton 1987-12-6 1099 Riverside Cottonwood Canyon, first canyon west of Whitewater. North of the 10 freeway. North of Palm Springs. Foothills of San Bernardino Mtns. 762 Comment
  RSA730113  Bahiopsis parishii R. F. Thorne 1966-10-15 41801 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  CAS-BOT-BC99955  Baileya pauciradiata Marcus E. Jones 1903-5-8 s.n. Riverside Indio -7 Comment
  CAS-BOT-BC99971  Baileya pauciradiata Aven Nelson; Ruth A. Nelson 1939-3-29 3313 Riverside Between Mecca and Hidden Springs Comment
  RSA23112  Baileya pauciradiata I. L. Wiggins 1938-3-19 8900 Riverside 25 miles W of Blythe. Comment
  UCR33559  Baileya pauciradiata Faulkner 1978-3-30 398 Riverside Sonoran (Colorado) Desert, sand dunes between Riverside and Big Maria Mtns. 11 mi south of Vidal 198 Comment
  JOTR01236  Baileya pauciradiata Cole, James E. 1941-4-13 571 Riverside Joshua Tree National Park. SOUTH OF DALE DRY LAKE Comment
  RSA4910  Baileya pleniradiata C. B. Wolf 1932-4-27 3026 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
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Dec 11 2011
  CLARK-A1045-215  Bebbia juncea George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; dry wash; Lost Horse Mtn. 15'Q Comment
  UC1929904  Bebbia juncea Scott D. White, Angelia Carey 2004-7-2 10563 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  LA103754  Bebbia juncea var. aspera Robert F. Thorne; C. W. Tilforth 1973-5-30 43582 Riverside Coachella Valley, mouth of Morongo Valley at N-end of valley 548 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
  RSA0048237  Beloperone californica N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Shavers Well. Comment
  RSA5546  Berberis amplectens C. B. Wolf 1932-5-25 s.n. Riverside Small Canyon on Gilman Ranch in foothills north of Banning 854 Comment
  RSA125251  Berberis haematocarpa E. K. Balls 1957-11-19 22822 Riverside Grown in Botanic Garden, alt. 1300 ft., from seed collected Aug. 20, 1957, by E. K. Balls & P. C. Everett, 6.6 mi. sw. along State Hwy 74 from Palm Village (jct. with State Hwy 111), Riverside Co. 396 Comment
  CAS-BOT-BC140664  Bidens laevis Oleg Pryadko 2008-5-2 058 Riverside San Bernardino Valley Region: western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  SBBG133630  Bidens laevis S. D. White, L. Stafford 2007-6-27 11752 Riverside Santa Ana River floodplain just below Prado Dam; Chino Hills State Park 134 Comment
  RSA171387  Boechera californica J. D. Olmsted 1962-2-2 3464 Riverside Banning-Idyllwild Road. 1159 Comment
  LA90280  Boechera parishii Arnold Menke; 1955-4-28 sn Riverside Hemet Valley, S side of road Comment
  SD186257  Boerhavia coccinea T. B. Salvato, Melissa Clemons 2005-6-23 1310 Riverside Temescal Valley, 3.0 miles northwest of Alberhill, Temescal Canyon Road at Corona Lake. 353 Comment
  RSA0062773  Boerhavia coulteri Duncan S. Bell 2014-10-21 7648 Riverside Orocopia Mountains; northwestern section of the range; in the vicinity of Hotel California; about 3 air miles northwest of the summit of the Orocopia Mountains. 762 Comment
  CAS-BOT-BC434515  Boerhavia diffusa S. B. Parish 1916-5-13 10855 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  RSA339256  Boerhavia intermedia Robert F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-23 53600 Riverside Pinto Basin Road: Along road at meeting area of Mojave and Colorado Deserts 1098 Comment
  RSA40563  Boerhavia triquetra J. C. Roos 1946-11-29 3178 Riverside south foot of Eagle Mountains, east of Hayfields Comment
  RSA0020042  Boerhavia triquetra var. intermedia Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6014 Riverside Chuckwalla Valley; south side of Interstate 10, approximately 16 air miles west of Blythe and about 2 air miles southeast of Wileys Well. 122 Comment
  JOTR32618  Boerhavia wrightii La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1628 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  UC851715  Boerhavia wrightii C. Epling and Wm. Stewart 1936-9-1 Riverside Desert Center Comment
  UCR211549  Boerhavia wrightii Jim Andre, T. La Doux 2008-9-13 10259 Riverside Sonoran (Colorado) Desert, Palen Valley, along west side of Hwy 177, east side of Coxcomb Mountains, just west of Palen Valley Sand Dunes area, east boundary of Joshua Tree National Park 205 Comment
  RSA0088439  Bolboschoenus maritimus subsp. paludosus Mitch Provance 2011-7-4 17180 Riverside San Bernardino Valley: Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part of Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  RSA589087  Bothriochloa barbinodis D. L. Banks, Steve Boyd 1995-10-17 798 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground;, Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  RSA0099443  Bouteloua aristidoides Duncan S. Bell, Evan Meyer 2014-10-29 7695 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
  RSA778395  Bouteloua barbata Amber Swanson, Linda Jean Foster 2011-10-8 640 Riverside Large wash off Blythe Rice Rd 270 Comment
  SD239519  Bouteloua barbata A. C. Sanders 2011-9-15 39892 Riverside Sonoran (Colorado) Desert: Coachella Valley, agricultural area in Thermal; Colorama greenhouses/nursery at 83300 Ave 58, 0.35 mi. east of Jackson St. near Calhoun St. (Indio 7.5'Q) -24 Comment
  UCR2190  Bouteloua barbata F. M. Reed 1934-9-26 8959 Riverside San Jacinto Mtns., Herkey Creek camp 1341 Comment
  UCR33706  Bouteloua barbata Sears 1977-10-10 S 522 Riverside Sonoran (Colorado) Desert, 6.1 mi NE of Desert Center on Hwy 177 Comment
  CAS-BOT-BC145607  Bouteloua barbata var. barbata Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13240 Riverside In was arising in Big Maria Mountains. Highway U.S. 95, 11.3 miles north of Blythe. Comment
  JOTR29254  Bouteloua curtipendula La Doux, Tasha, Ileene Anderson 2004-10-4 1642 Riverside Joshua Tree National Park. Stop 1: Little SB Mtns, near Keys Ranch 1277 Comment
  RSA180501  Bowlesia incana E. W. Lathrop 1965-4-18 5657 Riverside 10 miles west of Murrieta. Comment
  UCR264749  Brachypodium distachyon Steve Boyd 2011-3-30 12306 Riverside Coastal plains and basins; San Bernardino basin region., City of Riverside, residential lot at northwest corner of Beechwood Place (4131) and Brockton Avenue. 256 Comment
  JEPS78698  Brandegea bigelovii S. B. Parish 1912-10-23 8292 Riverside near Mecca (Chuckwalla Mountains, Red Canyon); Chuckwalla Mountains, Red Canyon Comment
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Nov 24 2011
  OBI4118  Brandegea bigelovii Donald Myrick 1968-3-3 1796 Riverside In wash of Box Cyn E of Mecca 305 Comment
  RSA0042378  Brandegea bigelovii Duncan S. Bell, LeRoy Gross 2014-3-13 6239 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  UCD107473  Brandegea bigelovii Lewis S. Rose 1967-12-21 67187 Riverside 2 mi. s. of Palm Desert. 60 Comment
  UCR267878  Brassica kaber D. E. Bramlet 2006-5-25 4005 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, Nuevo area, east of the San Jacinto River channel and south of Nuevo Rd., west of Pico Ave. 433 Comment
  UC10285  Brassica nigra H. M. Hall Jun 1 1901-Jul 1 1901 2282 Riverside in the vicinity of Strawberry Valley (San Jacinto Mountains, around camps); San Jacinto Mountains 1584 Comment
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Sep 20 2011
  UC1595585  Brassica rapa Steve Boyd, Orlando Mistretta 1991-5-9 6180 Riverside along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons (Santa Ana Mountains); , Bedford Truck Trail 548 Comment
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Nov 23 2007
  UC56981  Brassica rapa H. M. Hall 1902-4-1 2959 Riverside vicinity of Riverside; Southern California 243 Comment
  UCR239806  Brassica tournefortii O. F. Clarke 2004-3-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  RSA229521  Brickellia arguta Philip A. Munz 1937-5-29 15150 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  JOTR37468  Brickellia atractyloides var. arguta Hodges, Stephen, T. Green 2016-5-5 590 Riverside Joshua Tree National Park. Little San Bernardino Mountains; canyons below Upper Covington Flats, southwest of Covington Crest trail (Stop 2) Comment
  CLARK-A1528-174  Brickellia californica John C. Roos 1951-10-19 5324 Riverside Badlands 609 Comment
  UCR100379  Brickellia californica A. C. Sanders, T. Tennant, A. Montalvo & B. Wagner 1997-11-20 21610 Riverside Lake Skinner Reserve area, Diamond Valley, canyon along Rawson Road going into hills toward Crown Valley 518 Comment
  POM351177  Brickellia desertorum N. R. Zabriskie 1971-11-15 463 Riverside Andreas Canyon, E slope San Jacinto Mountains, Riverside Co. 305 Comment
  RSA301936  Brickellia desertorum J. R. Shevock 1972-11-14 2314 Riverside Coyote Canyon, Anza Borrego State Park 762 Comment
  RSA695643  Brickellia desertorum J. Russell Bruff 1928-12-4 390 Riverside Split Rock Comment
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Oct 23 2011
  RSA89966  Brickellia desertorum J. C. Roos 1950-10-15 5009 Riverside San Bernardino Mtns. Dry Morongo Canyon, c. l mi south of Riverside-San Bernardino county line. 612 Comment
  UCSB37838  Brickellia incana Roos, John 1965-6-23 Riverside Colorado Desert; Lost Palms Wash, north of Chiriaco Summit near the Eagle Mtns. Comment
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Mar 26 2011
  RSA580943  Brodiaea filifolia David E. Bramlet 1995-5-24 2427 Riverside San Jacinto wildlife area, Lovell Unit, approximately 1.83 km NE of Lakeview. The population is located 518 m east of Davis Road and 61-512 m south of the existing access road. The site is 168 m N of the San Jacinto River channel. Comment
  SD132940  Brodiaea filifolia Tim Cass, Fred Sproul 1979-6-1 200 Riverside Mesa de Colorado, Pool A. (IPB 2/08) Comment
  SEINET7063429  Brodiaea filifolia A. G. Vestal 1947-1 Riverside Comment
  RSA120969  Bromus arizonicus J. T. Howell 1956-3-20 31119 Riverside Riverside. Comment
  RSA562103  Bromus carinatus Steve Boyd 1992-4-14 6803 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  UCR277492  Bromus catharticus Mitch Provance 2013-4-16 413- 21 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  UCR101435  Bromus diandrus A. C. Sanders 1997-3-19 20049 Riverside Lake Skinner area, lower S slopes of Bachelor Mtn., near old quarries 473 Comment
  UCR147663  Bromus diandrus Steve Boyd, Aydee Virgen 2004-4-13 10863 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR158271  Bromus diandrus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29502 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
  SEINET180925 Image available Bromus hallii Neal F. Childs 1912-9-16 55 Riverside Vicinity of Keen Forest 1615 Comment
  UCR20874  Bromus hallii A. C. Sanders 1978-7-3 875 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  UCR174030  Bromus hordeaceus A. C. Sanders 2006-5-19 32463 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
  UCR96873  Bromus hordeaceus Scott D. White 1993-4-30 1310 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  SEINET6190251 Image available Bromus madritensis Orlando Mistretta, D. Bell, J. Beckman, J. England, K. Kane, J. Hall, C. McDonald, L. Reccia, L. Rodriguez, A. Sall, T. Tennant 2010-1 4420 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell 488 Comment
  UCR233068  Bromus rubens Edith B. Allen 2012-2-6 212- 03 Riverside Peninsular Range; Gavilan Hills Area, south side of Lake Mathews, 1.36 km SE (131 deg. ) of intersection of Cajalco Rd. and La Sierra Ave. 441 Comment
  UCR234328  Bromus rubens A. C. Sanders, John F. Green 2012-4-6 40008 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, major culvert/wash crossing along Temescal Cyn. Rd., near Campbell Ranch Rd. and I-15 Fwy, c. 10 miles south of Corona 323 Comment
  UCR97454  Bromus rubens A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19843 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR214014  Bromus trinii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37794 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
  SEINET2060499 Image available Caesalpinia E. R. Blakley 1961-9-10 4709 Riverside Cactus City on U.S. Hwy 60-70 E of Indio. 504 Comment
  RSA1910  Caesalpinia virgata C. B. Wolf 1931-4-27 1091 Riverside Hidden Springs Canyon, 8.5 miles from Mecca. 6 Comment
  RSA444310  Caesalpinia virgata Walter Wisura 1988-3-1 4181 Riverside Frontage Road, off I-10, near pumping station in Pinkham Wash area. Comment
  RSA605770  Caesalpinia virgata A. C. Sanders 1995-5-23 17125 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns., near the mouth of Martinez Cyn., at end of 72nd Ave. 25 Comment
  UCR214896  Calandrinia ambigua A. C. Sanders 2010-3-23 37532 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  UCR117218  Calandrinia ciliata B. G. Pitzer 2000-4-20 4126 Riverside Mead Valley, Air Force property bordering Nandina Road, across from (N of) the T-intersection with Brown Street. 515 Comment
  UCR178838  Calandrinia ciliata T. B. Salvato, Jeffrey Ross, B. G. Pitzer 1998-3-25 MOR- 1037 A Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon, 0.2 mi. east of N-S Potrero Canyon Rd. on dirt road to Corral Canyon, junction at Bench Mark 3054', Tree Stand P-08 930 Comment
  UCR250131  Calandrinia ciliata A. C. Sanders 2014-4-9 40999 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.4 km south of El Hermano Rd., NW of Corona (Lee) Lake 331 Comment
  RSA572048  Calocedrus decurrens C. Epling 1931-10-4 246 Riverside Strawberry Valley, San Jacinto Mountains; on mountainside. 1584 Comment
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Sep 22 2013
  RSA779939  Calochortus concolor Duncan S. Bell, Jennifer Pilapil, Jackie McConnaughy 2011-5-3 2376 Riverside Just off of the Pacific Crest Trail between Whitewater canyon and Mission Creek canyon; approximately 0.6 air miles northeast of Red Dome. 859 Comment
  UCR170122  Calochortus concolor Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-31 113 Riverside San Bernardino Mtns. region, Morongo Indian Reservation; Lion Canyon 756 Comment
  UCR122530  Calochortus palmeri var. munzii George K. Helmkamp, E. A. Helmkamp 2001-5-20 6684 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  UCR139247  Calochortus palmeri var. munzii A. C. Sanders, Kate Kramer 2003-6-11 26879 Riverside San Jacinto Mtns., Garner Valley, foothills on the northeast side of the valley, near Morris Ranch Rd. c. 0.25 mi. NW of Kenworthy Ranger Station 1377 Comment
  RSA377463  Calochortus splendens N. C. Cooper 1949-6-29 4326 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  UCR81099  Calochortus splendens Scott D. White 1993-5-29 1442 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  CAS-BOT-BC483508  Calochortus splendens C. Epling; J. Ewan 1933-6-1 s.n. Riverside 4 miles above Corona, Temescal Canyon Comment
  RSA674535  Calochortus weedii var. intermedius Scott D. White, Brian Leatherman 2000-6-1 7994 Riverside Steep slopes directly south of Oak Av. and Lincoln Av., just east of Hagador Cyn. 381 Comment
  UCR209401  Calochortus weedii var. intermedius Fred M. Roberts, Robt. L. Allen 2008-6-23 7051 Riverside Santa Ana Mountains, Santiago Peak, east slope, Main Divide Truck Trail, 0.7 km northeast of summit 1580 Comment
  SD119925  Calyptridium monandrum Louis B. Ziegler 1969-5-27 365 Riverside San Jacinto Mountains; Cahuilla Indian Reservation. 1114 Comment
  UC635495  Calyptridium monandrum Margaret Stason 1927-2-12 Riverside One Thousand Palm Canyon; Colorado Desert, One Thousand Palm Canyon Comment
  UCR16647  Calyptridium monospermum Pam Maynard 1974-5-26 s.n. Riverside San Jacinto Mtns., Idyllwild, Humber Park trail 2744 Comment
  UCR250201  Calystegia macrostegia A. C. Sanders 2014-4-23 41046 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15 and east of Black Powder Rd. 384 Comment
  RSA557898  Calystegia macrostegia subsp. intermedia Steve Boyd, Orlando Mistretta, Bob Boyd 1992-4-22 7017 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  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
  RSA0100145  Calystegia occidentalis subsp. fulcrata Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8581 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  UCR169310  Camissonia T. B. Salvato, John F. Green 2004-5-27 590 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
  RSA0043042  Camissonia arenaria Duncan S. Bell, Loraine Washburn 2014-4-8 6582 Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  RSA315552  Camissonia bistorta Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55481 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  UCR174091  Camissonia bistorta A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32613 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  RSA747730  Camissonia brevipes Scott D. White, Justin M. Wood 2009-3-24 12565 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
  POM201158  Camissonia brevipes subsp. brevipes Carl B. Wolf 1932-4-29 3108 Riverside Eastern Colorado Desert, 9 mi S of Brown's Well on the Blythe-Rice Road [Midland Rd]. 244 Comment
  POM67092  Camissonia brevipes subsp. brevipes Marcus E. Jones 1924-2-27 s.n. Riverside Colorado Desert, Desert Center. Comment
  RSA466017  Camissonia brevipes subsp. brevipes N. C. Cooper 1949-4-8 3253 Riverside Palm Springs. 457 Comment
  RSA162841  Camissonia californica J. D. Olmsted 1958-6-15 189 Riverside San Jacinto Mountains. Intersection of Strawberry Creek with Idyllwild-Hemet road [Hwy 74] 8 miles below and West of Mt. Center. Along roadside. 915 Comment
  SEINET1004493  Camissonia californica T. B. Salvato, Kent Beaman 2005-1 849 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista just downstream from the Forest Service Boundry and N of CA Hwy 74. 549 Comment
  UC168845  Camissonia campestris subsp. campestris Marcus E. Jones, A. M. 1882-4-24 3168 Riverside San Jacinto Comment
  CLARK-A1703-1257  Camissonia cardiophylla Robin L. Kobaly 1977-3-23 Riverside Box Canyon Comment
  JOTR31901  Camissonia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2149 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash Comment
  RSA0021255  Camissonia cardiophylla subsp. cardiophylla Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi S. Fraga 2011-3-17 763 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  CLARK-A1528-3323  Camissonia chamaenerioides John C. Roos 1966-3-26 Riverside Chuckwalla Mountains Comment
  UCR18418  Camissonia chamaenerioides A. C. Sanders, S. Hagopian 1977-4-17 451 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, Irish Wash near Corn Springs 671 Comment
  UCR90171  Camissonia claviformis R. W. Scora 1966-4-1 3008 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  RSA135293  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-25 11485 Riverside Salton Sea State Park, east side of Salton Sea. Comment
  RSA145195  Camissonia claviformis subsp. aurantiaca E. G. Linsley, J. W. MacSwain 1959-1-17 58 -16 (17) Riverside 20 miles west of Blythe. Comment
  RSA748291  Camissonia claviformis var. aurantiaca Justin M. Wood 2009-3-26 419 Riverside Coachella Valley: Thousand Palms, Ramon Rd., 1.4 miles E of Monterey Ave., just E of Edison substation. 61 Comment
  RSA792748  Camissonia confusa Robert F. Thorne 1995-3-29 63034 Riverside White Water Canyon. 600 Comment
  UCR48512  Camissonia graciliflora Steve Boyd 1986-4-2 1637 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA614531  Camissonia hirtella A. C. Sanders, P. Mackay, Tim C. Thomas, O. Clarke 1997-5-4 20635 Riverside UTM 10km cell: NH-1E, 4N. Vista Grande. 1067 Comment
  RSA180504  Camissonia ignota E. W. Lathrop 1959-4-16 4475 Riverside 14 miles W of Murrieta. Tenaja plateau. Comment
  UCR228906  Camissonia micrantha A. C. Sanders 2011-4-7 39037 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
  RSA770290  Camissonia pallida Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4750 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 W116.65131 604 Comment
  SEINET3093305 Image available Camissonia pallida George K. Helmkamp 1986-4-7 756 Riverside Vicinity of Big Morongo Valley; just E of and parallel to Hwy 62, above Indian Ave. 579 Comment
  UCR177396  Camissonia pallida John Wear 2004-4-1 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs, 2 acre parcel c. 320 ft. east of intersection of West Vista Chino and Via Norte on the north side of Vista Chino, 310 and 320 West Vista Chino Road 183 Comment
  RSA776641  Camissonia refracta Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1098 Riverside Alligator ACEC, north side of Chuckwalla Mountains, just south of Desert Center. 413 Comment
  SEINET3093216 Image available Camissonia refracta P. Leary 1975-3-13 992 Riverside Pinto Mountains, Joshua Tree National Monument. Comment
  POM3184  Camissonia strigulosa C. F. Baker 1904-4-5 4116 Riverside Hemet 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
  UCR166105  Camissoniopsis bistorta A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16249 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
  UCR195707  Camissoniopsis confusa A. C. Sanders 1998-3-17 21746 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, south of Hemet 343 Comment
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Mar 13 2015
  UCD103463  Camissoniopsis hirtella T. B. Salvato; Kent Beaman 2005-5-16 779 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
  UCR174564  Camissoniopsis hirtella Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 342 Riverside Peninsular Ranges; San Jacinto Mtns., just down Mt. Edna Road west off of Calif. Hwy 243 1146 Comment
  UC147299  Camissoniopsis ignota H. M. Hall 1897-4-3 429 Riverside Winchester Comment
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Mar 20 2011
  JOTR32376  Camissoniopsis pallida subsp. pallida La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2487 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail; Pine-oak woodland among granitic boulder outcrops and narrow drainage system (Stop 3) 1295 Comment
  RSA716067  Carduus pycnocephalus Scott D. White 2006-5-19 11478 Riverside Perris Basin/San Jacinto Mtn Foothills: South of Hemet, 'Santa Rosa Hills' near Hemet Butte. 549 Comment
  UCR109621  Carduus pycnocephalus R. D. Goeden, Don W. Ricker 1971-5-4 s.n. Riverside Box Springs Mtns., Highgrove, National Orange Co. property beyond E end of Palmyrita Ave. 412 Comment
  SBBG57216  Carex M. Lewis 1947-8-26 2 Riverside Dark Cyn 1981 Comment
  CAS-BOT-BC20701  Carex fracta C. Epling; Wm. Robison 1935-6-29 s.n. Riverside Mt San Jacinto. Marion Peak. Comment
  UCR150985  Carex heteroneura var. heteroneura L. C. Wheeler 1961-6-20 7896 Riverside Peninsular Ranges; San Jacinto Mtns., W fork of Tahquitz Creek 2378 Comment
  UCR205299  Carex multicaulis Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1699 Riverside San Jacinto Mountains, junction of Dark Canyon and Fuller Mill Creek 1585 Comment
  RSA741222  Carex praegracilis Scott D. White, Justin M. Wood 2008-6-5 12089 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UCR142302  Carex praegracilis A. C. Sanders 1997-3-19 20044 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  RSA5906  Carex sartwelliana Carl B. Wolf 1932-8-5 3943 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2561 Comment
  RSA90892  Carex sartwelliana F. W. Peirson 1924-7-28 5015 Riverside Pine Flats Camp 1799 Comment
  UCSB18913  Carex schottii Keefe, Joseph 1965-5-18 Riverside 100 meters east of stream; Fullermill Creek Campground; north of Idyllwild 1645 Comment
  CHSC106610  Carex senta P. F. Zika; Nick Otting 2010-8-3 25244 Riverside Vicinity of Willow Creek, San Jacinto Wilderness Area, San Jacinto Mountains, Peninsula Ranges. 2550 Comment
  CAS-BOT-BC115979  Carex subfusca Philip Alexander Munz 1938-8-14 15348 Riverside Meadow, Virgin Spring, Santa Rosa Peak. 2286 Comment
  SD186247  Carya illinoinensis A. C. Sanders, T. B. Salvato 2003-5-6 26558 Riverside Riverside, west edge of the UCR campus, lower drainage of Big Springs Canyon. 320 Comment
  CLARK-A1528-462  Cassia armata Charlotte Stocks 1963-6-15 Riverside Coachella Valley Comment
  POM171282B  Castela emoryi I. M. Johnston 1930-6-15 3787 Riverside Hayfields, Mecca-Blythe Road Comment
  SD70378  Castilleja affinis L. R. Heckard 1953-5-5 388 Riverside Along California highway 79, 5.7 miles south of Hemet, at edge of hills Comment
  UC667383  Castilleja angustifolia Annie M. Alexander and Louise Kellogg 1941-4-27 2088 Riverside Joshua Tree National Monument; Riverside and San Bernardino Counties 1310 Comment
  RSA448712  Castilleja applegatei subsp. martinii Christopher Davidson 1977-5-18 5628 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  UCR215127  Castilleja densiflora Sarah C. Pasquini 2008-4-15 08 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, c. 6 miles west of Murrieta, c. 60 m off Waterline Road 560 Comment
  UC1012295  Castilleja exserta F. W. Pennell and W. S. Howell Apr 28 1940-Apr 29 1940 25291 Riverside Santa Rosa Indian Reservation; Route 74 1402 Comment
  UCR237210  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-10 982 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.4 air mi southeast of junction of FS Road 6S13 and FS Road 6S04 1365 Comment
  CSUSB894  Castilleja foliolosa Steve Kulju 1974-5-9 Riverside Jack Rabbit Trail, one mile south of U.S. Highway 60. 487 Comment
  RSA234083  Castilleja foliolosa Robert F. Thorne, E. W. Lathrop 1969-6-6 39327 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  RSA400579  Castilleja foliolosa Mark Morris, Richard C. Barkelew 1929-3-10 13715 Riverside San Jacinto Mts. Indian Canyon Comment
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Nov 9 2011
  RSA706  Castilleja linariifolia J. T. Howell 1927-8-1 526 Riverside Mission Creek, Colorado Desert. 610 Comment
  UCR121245  Castilleja martinii Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2283 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR133711  Castilleja martinii N. C. Cooper 1944-6-17 1418 Riverside San Jacinto Mtns., [road to Idyllwild] above Banning 1372 Comment
  UC26455  Castilleja miniata H. M. Hall 1901-8-1 2582 Riverside Tauquitz Valley; San Jacinto Mts. 2438 Comment
  UC885440  Castilleja minor subsp. spiralis Crawford and Johnston 1917-6-9 1222 Riverside near Corona; Santa Ana River Comment
  UCR113855  Castilleja minor subsp. spiralis Mitch Provance 2000-6-24 2037 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  SEINET7063424  Castilleja subinclusa subsp. subinclusa A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles west of Sage on Benton Road. Tucalota Valley. UTM Zone 11, 502473mE, 3715016mN. (WGS84/NAD83). 564 Comment
  UCR77752  Caucalis microcarpa Steve Boyd, D. Bramlet 1991-5-13 6247 Riverside Domenigoni Hills, north side Domenigoni/Diamond Valley, ESE of Winchester. Vicinity of ultramafic outcrop on ridgetop south of S-end of Warren Rd. 610 Comment
  UC597600  Caulanthus hallii Philip A. Munz 1937-5-30 15093 Riverside nw slope Santa Rosa Mts.; nw slope Santa Rosa Mts. 1828 Comment
  UCR112578  Caulanthus heterophyllus D. E. Bramlet 1992-4-2 2203 Riverside San Bernardino Mtns., San Gorgonio River at the confluence with Hathaway Creek on the Morongo Indian Reservation; 15.2m north of Morongo Road and 2.2km northeast of the San Bernardino freeway (I-10). 701 Comment
  UCR174523  Caulanthus heterophyllus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32484 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA0019602  Ceanothus cordulatus J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto. [Presumably collected in San Jacinto Mtns., not in City of San Jacinto] 2439 Comment
  RSA575055  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -i 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
  SD27983  Ceanothus crassifolius Carl B. Wolf 1932-2-11 2648 Riverside Santa Ana Mts., Hidden Canyon, 5 Mi. west of Corona, base of Skyline Drive 405 Comment
  UC1871077  Ceanothus crassifolius Steve Boyd, T. S. Ross 1993-3-23 7901 Riverside Peninsular Ranges; Palomar Mountains region; Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, T8S R1W SE 1/4 NE 1/4 sec. 29. Elev. 2000-2200 feet. Comment
  UC774536  Ceanothus crassifolius Carl B. Wolf 1941-6-27 10898 Riverside 3.3 mi e Orange Co. line (Ortega Hwy); Santa Ana Mts. 579 Comment
  VVC436  Ceanothus cuneatus Frank Aubrey 1959-4-11 s.n. Riverside Perris Basin, 3.2 miles So of US 395 - State 71 jct. on US 395. E. side of Rd. 351 Comment
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May 9 2016
  JEPS42315  Ceanothus leucodermis W. L. Jepson 1901-5-19 1290 Riverside San Jacinto Canon Comment
  RSA399315  Ceanothus leucodermis N. C. Cooper 1949-6-29 4342 Riverside Pine Cove, San Jacinto Mountains. 1829 Comment
  RSA569999  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7913 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
  RSA570223  Ceanothus ophiochilus Steve Boyd, Tim S. Ross 1993-3-23 7892 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  UCR68480  Ceanothus ophiochilus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3099 Riverside Peninsular Range, Vail Lake area, 1 mi. west of lake 640 Comment
  UCR3274  Ceanothus perplexans John Kitasako 1964-3-10 45269 Riverside San Jacinto Mtns., Anza, State Hwy 71 [=371], 1 mile from its jct with State Hwy 74 1463 Comment
  UCR170097  Cenchrus ciliaris John F. Green, Nathan Moorhatch 2005-4-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Indio, south of Indio Blvd., between Burr St. and Ave. 42, within sight of I-10 12 Comment
  UCR112478  Cenchrus echinatus A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23326 Riverside Coachella Valley, along Dillon Rd. at junction with Tyler, north of I-10, east of Indio and north of Coachella 5 Comment
  UCR97466  Cenchrus echinatus A. C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19677 Riverside Colorado Desert, Coachella Valley, North Palm Springs, Indian Avenue at I-10 freeway; Garnet. 188 Comment
  CDA7301  Centaurea X pouzinii Gene Drake 1989-12-8 Riverside Corona. DeGroot Dairy, Archibald and Greenwine. 0 Comment
  RSA741579  Centaurea melitensis Scott D. White, Justin M. Wood 2008-6-17 12174 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  NY532374  Centaurea repens S. D. Boyd 1989-7-6 3758 Riverside S of Jurupa Rd, E of intersection with Van Buren Ave. Comment
  SEINET10910151  Centaurium J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12851 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  SD248327  Centromadia pungens subsp. laevis Kevin B. Clark 2004-5-27 1 Riverside Menifee Valley, ca. 1.0 mile west of Murrieta Rd., 0.5 mile south of Newport Rd., on east-west dirt road on old ranch. 427 Comment
  UCR261195  Centromadia pungens subsp. laevis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41715 Riverside Esinore, SE quarter of large vacant lot between Hwy 74 and Enterprise Way, a short distance NE of the drain from Lk. Elsinore to Temescal Canyon, S of the end of Enterprise and W of the end of Pasadena St. 387 Comment
  RSA0011486  Cerastium fontanum subsp. vulgare Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4992 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  CLARK-A1528-3061  Cercocarpus betuloides John C. Roos 1948-5-15 3854 Riverside Eagle Mountains Comment
  POM243639  Cercocarpus betuloides E. C. Jaeger 1938-10-2 s.n. Riverside Little San Bernardino Mountains. 1220 Comment
  SDSU12979  Cercocarpus minutiflorus Michael G. Simpson 1999-10-27 2035 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  SEINET1782974  Cereus munzii Philip A. Munz 1922-5-21 5570 Riverside San Jacinto Mountains: Hemet Valley: 2 mi NW of Kenworthy. [County not given on label.] 1418 Comment
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Feb 22 2014
  CAS-BOT-BC279446  Chaenactis Palmer Stockwell 1940-4-24 1506 Riverside 1 mile east of Banning Comment
  SEINET2049348 Image available Chaenactis carphoclinia B. Pitzer 1988-3-10 658 Riverside W. side of Chuckwalla Mountains, on gas line road ca 1.5 mi. N of intersection with Red Cloud Mine Rd. (& wash); ca, 2 miles (airline) S of Hwy I-10. 488 Comment
  UCR166870  Chaenactis carphoclinia Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  RSA124329  Chaenactis carphoclinia var. carphoclinia Percy C. Everett, E. K. Balls 1958-4-29 23012 Riverside Hwy 60/70, Indio to Blythe, 6.5 miles E from Jct with Hwy 9 244 Comment
  SD28012  Chaenactis carphoclinia var. carphoclinia Carl B. Wolf 1932-4-29 3111 Riverside Eastern Colorado Desert. Blythe -- Rice Road. 9 miles south of Browns Well. 244 Comment
  CAS-BOT-BC276931  Chaenactis fremontii Alice Eastwood 1913-4-30 3002 Riverside Palm Springs Comment
  JEPS23578  Chaenactis fremontii P. H. Raven 1958-3-16 11861 A Riverside Smoketree Wash; Joshua Tree National Monument Comment
  RSA0047253  Chaenactis fremontii J. Mark Porter, Leigh A. Johnson 1997-3-10 11464 Riverside Whitewater Canyon, ca. 1 mi. N of Whitewater (along Interstate 10). 474 Comment
  RSA0123117  Chaenactis fremontii Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9024 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  UC1329847  Chaenactis fremontii James E. Cole 1941-3-30 453 Riverside Pinto Basin Joshus Tree National Monument, Pinto Basin 457 Comment
  UC1595794  Chaenactis fremontii W. Wisura, A. King, and L. Newcomb 1992-4-10 4664 Riverside w of Hwy 62 (below Morongo Valley, Mission Creek Ranch) Comment
  UCR100089  Chaenactis fremontii R. G. Swinney 1967-3-5 45 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  UCR204226  Chaenactis fremontii Valerie Soza, J. M. Porter, G. D. Wallace 2001-4-2 1084 Riverside Transverse Ranges, Little San Bernardino Mountains, Big Morongo Wash 473 Comment
  SEINET2049368 Image available Chaenactis glabriuscula Don Mitchell 1990-4-30 Riverside W side of Sage Road, ca. 1/2 mi. S of intersection with Wilson Valley Road, T7S, R1E, sec 32. 701 Comment
  UCR241936  Chaenactis glabriuscula A. C. Sanders, Timothy W. Chumley 2013-4-5 40771 Riverside Peninsular Range, Temescal Canyon, 10 miles south of Corona, just north of El Hermano Rd., NW of Corona (Lee) Lake and SE of Glen Ivy 313 Comment
  CAS-BOT-BC277400  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1903-4-1 3800 Riverside Vicinity of Riverside 426 Comment
  LA83500  Chaenactis glabriuscula var. glabriuscula O. H. Kappler; 1950-4-1 2039 Riverside Cabazon, E of Banning 655 Comment
  OBI23668  Chaenactis glabriuscula var. glabriuscula David J. Keil, Malcolm Mcleod 1977-3-26 12004 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 Comment
  UC1979614  Chaenactis glabriuscula var. glabriuscula D. L Banks, Steve Boyd 1995-5-3 0191 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  POM6011  Chaenactis glabriuscula var. lanosa H. M. Hall 1902-4-21 15737 Riverside Vicinity of Riverside, in the upper sonoran 274 Comment
  UCD20139  Chaenactis stevioides Donald W. Kyhos 1976-3-17 67 -7 Riverside 20.6 miles east of Amboy Road on Twentynine Palms Hwy, going towards Vidal Junction. 11.8 miles east of Amboy turnoff. Comment
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Apr 21 2013
  JOTR16672  Chamaesyce albomarginata Walters, Jim 1967-3-14 s.n. Riverside Joshua Tree National Park. 1/2 MILE SOUTH OF JUMBO ROCKS 1280 Comment
  RSA619314  Chamaesyce albomarginata A. C. Sanders, K. C. Rose 1998-9-29 22239 Riverside West edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills. Comment
  JOTR28810  Chamaesyce micromera La Doux, Tasha, Bill Truesdell 2004-3-11 1078 Riverside Joshua Tree National Park. Pinto Basin; Sand Hills 530 Comment
  RSA734752  Chamaesyce parishii L. C. Wheeler 1952-4-5 6850 Riverside Neat Canyon east of Painted Canyon. Comment
  JEPS19346  Chamaesyce polycarpa I. W. Clokey, B. C. Clokey, and C. B. Clokey 1930-4-15 4732 Riverside Perris-Gavilan Peak 600 Comment
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Jul 5 2010
  RSA0107850  Chamaesyce polycarpa Duncan S. Bell, Amanda Turek 2009-3-30 166 Riverside Southeast section of the Arica Mountains; approximately 0.75 air mile west southwest of Priest Well. 332 Comment
  RSA552714  Chamaesyce polycarpa Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-25 6683 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  UC194833  Chamaesyce polycarpa S. B. Parish 1916-5-13 10830 Riverside Cottonwood Springs Colorado Desert 792 Comment
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Oct 9 2010
  POM250333  Chamaesyce polycarpa var. polycarpa I. W. Clokey 1935-4-17 6727 Riverside Cottonwood Springs. Comment
  RSA640168  Chamaesyce prostrata L. C. Wheeler 1964-10-10 8634 Riverside 3030 Oak Ave. Corona. Comment
  RSA741113  Chamaesyce serpillifolia subsp. hirtula Scott D. White, Justin M. Wood 2008-6-18 12237 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  UC218616  Cheilanthes covillei Ivan Johnston Apr Riverside Palm Canyon Comment
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Jul 4 2015
  RSA162781  Cheilanthes covillei J. Olmstead 1959-11-28 1086 Riverside Snow Creek on alluvium near junction of falls creek and Snow creek, San Jacinto Mountain Range. 609 Comment
  UCR113967  Cheilanthes newberryi Mitch Provance 1999-3-8 1061 Riverside Jurupa Mountains, SE Pyrite Canyon (= SE end of Wilder's Cyn.), c. .3 km NW of the Jurupa Mountains Culture Center. 366 Comment
  CAS-BOT-BC70330  Cheilanthes parryi L. R. Abrams 1926-3-26 11076 Riverside Palm Canyon Comment
  RSA0123692  Cheilanthes parryi Duncan S. Bell, LeRoy Gross 2016-3-30 9160 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  RSA775665  Cheilanthes parryi Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-23 814 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  POM9932  Cheilanthes viscida F. W. Peirson 1921-3-22 2371 Riverside Murray Canyon, south side in canyon 457 Comment
  SEINET8008429  Cheilanthes viscida W. F. Parish No determinado Riverside Agua Caliente, Agua Caliente,Riverside, California Comment
  RSA192156  Chenopodium ambrosioides E. W. Lathrop 1966-5-15 6310 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  UCR167303  Chenopodium botrys Scott D. White, Jennifer H. Jones 2005-5-24 11093 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  SEINET269557  Chenopodium californicum Scott D. White 1996-5-27 4072 Riverside Jackrabbit Canyon: east of Moreno Valley and south of Calimesa between State highway 60 and gilman Spring Road West and 518 Comment
  UCR201410  Chenopodium chenopodioides Justin M. Wood 2008-9-22 160 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  UCR113116  Chenopodium murale A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16076 B Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area along Ave. 78, 0.4 mi west of Hwy 86 and1.5 mi NW of Oasis, east of Filmore St. -37 Comment
  UCR107777  Chenopodium pumilio D. L. Banks 1997-11-15 2199 Riverside NW Palomar Mtns, Agua Tibia Mtns: N face of Dorland Mtn, on the north side of the Dorland Mtn Arts Colony. Along the margins of a small man-made pond. 549 Comment
  CAS-BOT-BC231773  Chilopsis linearis Annie M. Alexander; Louise Kellogg 1941-5-25 2234 Riverside Colorado Desert. Box Canyon, east of Mecca 243 Comment
  SD113257  Chilopsis linearis Darley F. Howe 1936-6-14 358 Riverside Palm Springs Comment
  UCR272883  Chilopsis linearis Duncan S. Bell 2009-8-15 411 Riverside northwest of the Arica Mountains 286 Comment
  CHSC132  Chilopsis linearis subsp. arcuata V. Holt 1954-4-16 Riverside Painted Canyon n. of Salton Sea -30 Comment
  UC21648  Chimaphila menziesii H. M. Hall July, 1901 Riverside vicinity of Deer Springs; San Jacinto Mts. 2590 Comment
  UCR130516  Chloris truncata R. E. Riefner Jr. 2003-10-21 03- 461 Riverside Perris-Aguanga Region, Menifee Valley, along Newport Road 1 mile east of Goetz Road intersection 427 Comment
  JEPS15398  Chloris virgata Joseph and Hilda Grinnell 1937-11-30 1081 a Riverside 24 mi w Blythe (bed of Ford Dry Lake); bed of Ford Dry Lake 106 Comment
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Sep 8 2011
  UC729735  Chloris virgata Carl B. Wolf 1932-4-28 3071 Riverside 20 mi w Blythe (on the Mecca Road); Colorado Desert, Chuckwalla Valley 121 Comment
  UCR241566  Chlorogalum parviflorum A. C. Sanders 2013-4-16 40799 Riverside Peninsular Range; SE Gavilan Hills, SCE power line west of the San Jacinto River and south of Perris, 3.2 km WSW of the intersection of Goetz & Ethanac roads 439 Comment
  UCR96900  Chorispora tenella D. E. Bramlet 1993-3-20 2296 Riverside 5.6 km west of Hemet, 671 m south of the intrersection of Florida Ave. and Warren Road, along Warren Road, on the W side of the road 457 Comment
  RSA776342  Chorizanthe brevicornu Duncan S. Bell 2010-3-20 638 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 215 Comment
  UCR75065  Chorizanthe brevicornu A. C. Sanders, E. J. Lawlor 1992-4-4 12116 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR138573  Chorizanthe corrugata Steve Boyd, Orlando Mistretta 1986-3-13 1447 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  CAS-BOT-BC191852  Chorizanthe corrugata C. L. Hitchcock 1966-3-20 24304 Riverside 20 miles N of Ogilby, along rd. to Blythe Comment
  RSA512166  Chorizanthe fimbriata Ed LaRue 1989-5-3 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at McVicker Canyon. 488 Comment
  CAS-BOT-BC191350  Chorizanthe leptotheca Edmund C. Jaeger 1922-6-14 s.n. Riverside MacMullen Trail, E slope San Jacinto Mts. Comment
  CAS-BOT-BC516742  Chorizanthe leptotheca Lee A. Ripma 2008-6-25 130 Riverside Peninsular Ranges: San Jacinto Mts: Alvin Meadows 1467 Comment
  SD22479  Chorizanthe leptotheca Susan G. Stokes 1933-7-1 Riverside Idyllwild Comment
  UCR19068  Chorizanthe leptotheca John C. Roos 1952-6-8 5748 Riverside Reche Canyon 549 Comment
  CAS-BOT-BC252781  Chorizanthe parryi var. parryi C. Epling; Wm. Robison 1933-6-24 s.n. Riverside San Gorgonio Wash near Banning Comment
  RSA0098332  Chorizanthe parryi var. parryi Marc A. Baker 2015-4-15 18326 Riverside San Gorgonio Pass, 11 km east of Banning, 30 km NW of Palm Springs, 1.8 km north of Cabazon, 3.5 km east of the San Gorgonio River. 652 Comment
  RSA735986  Chorizanthe parryi var. parryi Scott D. White, Justin M. Wood 2008-5-29 12040 Riverside Beaumont Badlands: West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  UCR104614  Chorizanthe parryi var. parryi D. E. Bramlet 1993-5-25 2359 Riverside Santa Ana Mtns, Elsinore Mtns., c. 730 m SW of Grand Ave. and 305 m SW of Akley Street. 1.7 km NE of Forest Service Road 6S07 Comment
  UCR93841  Chorizanthe polygonoides subsp. longispina J. E. Harrison 1996-5-23 s.n. Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: Redonda Mesa 854 Comment
  RSA747568  Chorizanthe polygonoides var. longispina Michael Honer 2003-4-16 1828 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. Appx. 400 m N of peak '2349'. 701 Comment
  RSA747872  Chorizanthe polygonoides var. longispina Justin M. Wood 2009-5-11 697 Riverside [San Jacinto Mountains:] Garner Valley, Quinn Flat area. 1372 Comment
  UCR260515  Chorizanthe polygonoides var. longispina T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7997 Riverside Perris-Aguanga Basin, Menifee, west side of Byers Rd between Wickerd Rd and Adjer St. 0.75 mi northwest of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.1 mi southeast of Canyon Lake Comment
  UCR213548  Chorizanthe procumbens Michael Honer 2003-7-15 1844 Riverside Peninsular Range; Santa Ana Mtns., Rainbow area, just north of the San Diego Co. boundary and west of the I-15 Freeway 518 Comment
  RSA777545  Chorizanthe rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 905 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UCR75099  Chorizanthe rigida A. C. Sanders, E. J. Lawlor 1992-4-4 12088 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA735859  Chorizanthe staticoides Scott D. White, Justin M. Wood 2008-4-16 11886 Riverside Perris/Elsinore Basin: Hills to the W of I-215 and S of Scott Rd. 488 Comment
  RSA797252  Chrysolepis sempervirens Robert F. Thorne, Walter Wisura 1977-9-17 50790 Riverside San Jacinto Mountain: slopes of peak 3171 Comment
  RSA732300  Chrysothamnus nauseosus M. D. Schwartz 2000-5-20 24 -2 Riverside San Jacinto Mts, jct of Two Pines Rd. and Rt 243 1200 Comment
  JEPS23478  Chylismia arenaria Marjorie D. Clary 1932-12-18 1715 Riverside Clemens Well Colorado Desert, Orocopia Mountains (at foot of mountains) 243 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
  JEPS121571  Chylismia cardiophylla subsp. cardiophylla Adam C. Schneider with Will Freyman 2014-2-16 384 Riverside Box Canyon Road. 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
  SFV16005  Chylismia claviformis D. C. Joyner, K. M. Joyner 1994-4-30 19 Riverside Mojave Desert Palm Springs. Abandoned lot near 1260 South Palm Canyon Road. 135 Comment
  CAS-BOT-BC160595  Chylismia claviformis subsp. aurantiaca Jeanne Janish; Carl Janish 1953-7-1 1029 Riverside Idyllwild Comment
  CAS-BOT-BC160600  Chylismia claviformis subsp. aurantiaca F. O. Ballou 1926-2-27 s.n. Riverside Painted [Canon] Canyon Comment
  UC1122176  Chylismia claviformis subsp. aurantiaca H. S. Yates 1936-4-7 5441 Riverside 2 1/2 mi s Willis Palms; Thermal Quadrangle 243 Comment
  UC148686  Chylismia claviformis subsp. aurantiaca Rensselaer J. Smith Mar 1917 Riverside Whitewater Coachella Desert Comment
  UCSB4509  Chylismia claviformis subsp. aurantiaca Krogen, Roger 1957-1 Riverside 4 mi. S of Jct. of HWY 195 and HWY 60-70; at N edge of Orocopia mts Comment
  HSC84150  Cirsium occidentale var. californicum A. C. Sanders, B. Pitzer 1987-4-21 7048 Riverside Box Springs Mountains, near southernmost radio towers. 793 Comment
  UCR136249  Cirsium occidentale var. californicum A. C. Sanders 2004-4-20 27573 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
  RSA0070673  Cirsium occidentale var. californicum P. A. Munz, D. D. Keck 1923-6-14 7077 Riverside Santa Ana Mts. Glen Ivy Trail to Santiago Peak. 1524 Comment
  CAS-BOT-BC438845  Cistanthe monandra L. A. Greata 1905-4-1 401 Riverside Coachella Comment
  RSA387366  Cistanthe monandra Steve Boyd 1986-4-19 1701 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  RSA483570  Cistanthe monandra D. Charlton 1988-5-21 1952 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  POM11500  Cistanthe monosperma P. A. Munz 1922-7-7 6039 Riverside San Jacinto Peak. 3293 Comment
  RSA221049  Clarkia bottae E. W. Lathrop 1966-5-17 6543 Riverside 4 mi. W of Corona, between Tin Mine Canyon and Santiago Peak. 610 Comment
  RSA180407  Clarkia epilobioides E. W. Lathrop 1965-5-30 5785 Riverside 6 miles W of Murrieta. Comment
  UCR115428  Clarkia epilobioides Scott D. White, D. E. Bramlet 1999-4-22 7242 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR158277  Clarkia epilobioides A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30094 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
  SBBG128624  Clarkia purpurea subsp. quadrivulnera S. R. Hill, A. C. Sanders 2001-5-4 33701 Riverside Temecula, along new gas line right-of-way, N of Del Ray Rd near jct with Calle Pina Colada 381 Comment
  UCR218067  Clarkia purpurea subsp. quadrivulnera Steve Boyd 2010-5-28 12287 Riverside Santa Ana Mountains, Elsinore Peak, just south of Main Divide Road, eastern base of knoll south of peak 1021 Comment
  RSA0059934  Clarkia similis D. L. Banks, Steve D. Boyd 1995-5-3 185 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
  RSA526506  Clarkia similis Steve Boyd, T. S. Ross 1990-5-11 4701 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  RSA527852  Clarkia similis Scott D. White 1991-5-13 91 -87 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  RSA707889  Clarkia similis Scott D. White, Angelia Carey 2004-4-16 10159 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  UCR213472  Clarkia unguiculata A. C. Sanders 2010-5-19 38417 Riverside Peninsular Range/San Bernardino Valley, Riverside, western end of North Hill, edge of Fairmont Park, above intersection of Redwood Dr. and Randall Rd. 250 Comment
  SD241155  Claytonia parviflora A. C. Sanders 2010-4-23 37992 Riverside Peninsular Range: Menifee Hills, south of Sun City, south side of Bundy Canyon Road at intersection with Murrieta Road (Romoland 7.5'Q) 518 Comment
  RSA5006  Claytonia parviflora subsp. parviflora Dorothy R. Wolf 1932-3-20 6 Riverside Richman Ranch 2.5 mi N of De Luz. SW Riverside County 457 Comment
  UCR138646  Claytonia parviflora subsp. parviflora D. L. Banks 1997-2-17 1275 Riverside Agua Tibia Mtns., NW Palomar Mountains: burned areas in the Temecula community of Redhawk, south of the intersection of Redhawk Parkway and Tehachapi Pass Road 396 Comment
  RSA650085  Claytonia perfoliata Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 609 Comment
  RSA228816  Claytonia perfoliata subsp. perfoliata Colin M. Wainwright, Larry DeBuhr 1972-2-10 602 Riverside Santa Rosa Plateau, ca. 5 miles south west of Murrieta near Forest Route 7S01. 487 Comment
  UCSB9460  Clematis lasiantha Lloyd, Robert 1959-4-17 Riverside 4 miles south of West Corona on the Oak Flats Fire Road; Santa Ana Mt. Range 381 Comment
  CLARK-A1528-3852  Clematis ligusticifolia John C. Roos 1965-10-7 Riverside Riverside Comment
  SD136775  Clematis ligusticifolia Steve Boyd, T. Ross, D. Bramlet 1992-9-9 7676 Riverside San Mateo Canyon Wilderness, Upper San Mateo Canyon, top of Tenaja Falls 671 Comment
  RSA650481  Clematis ligusticifolia C. J. Humphrey 1936-6-7 84 Riverside [No location data on label] Comment
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Dec 15 2011
  RSA386260  Clematis pauciflora E. S. Spalding 1925-6-12 s.n. Riverside Near Temecula. Comment
  RSA386286  Clematis pauciflora Ora M. Clark 1929-4-6 1940 Riverside S San Jacinto. Comment
  RSA440805  Cleome isomeris D. A. Young 1969-3-1 P- 307 Riverside 1/2 mile N of Hwy 111; 1.8 mi E of White Water. 343 Comment
  JEPS4635  Collinsia concolor P. A. Munz and I. M. Johnston 1922-5-19 5433 Riverside Kenworthy San Jacinto Mts. 1402 Comment
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Mar 25 2011
  UCR160491  Collinsia parryi A. C. Sanders 1994-5-30 14612 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-BC52499  Colubrina californica Walter Knight; Irja Knight; Fred Klein 1969-3-30 2616 Riverside In vicinity of Eagle Mt. pumping station, .35 mi. from jct. of dead-end Adit Road in sandy wash Comment
  POM264596  Colubrina californica A. M. Alexander 1941-5-20 2206 Riverside 5.2 miles northwest of Desert Center, Eagle Mountain pumping station road. 457 Comment
  UCR43233  Commelina benghalensis I. Lazcano F. 1986-5-14 s.n. Riverside U.C. Riverside Campus, vegetable gardens in the Family Housing area. Comment
  CAS-BOT-BC293686  Condea emoryi Mona Bourell 1987-4-14 3268 Riverside BLM California Conservation Area, Hwy 195, spur off of Box Canyon. Near Mecca 150 Comment
  RSA736756  Conium maculatum Scott D. White, Lynn Stafford 2007-6-27 11748 Riverside Santa Ana River floodplain just below Prado Dam. 134 Comment
  UCR172210  Convolvulus simulans John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Los Alamos Road 402 Comment
  HSC86915  Conyza bonariensis Steve Myers 1988-2-1 Riverside Boulder Springs Development, immediately SE of intersection of Hwy. 60 and Nason St., Moreno Valley 518 Comment
  SD233941  Cordylanthus rigidus Scott D. White 1996-8-1 4419 Riverside Idyllwild area: Hwy 243 at Deer Springs trailhead and adjacent area. S facing mountainside. 1700 Comment
  RSA412342  Cordylanthus rigidus subsp. setiger H. de Forest, Jack Rempel 1932-10-22 19341 Riverside Pines to Palms HIghway Comment
  SD136751  Cordylanthus rigidus subsp. setiger Steve Boyd, Tim Ross 1992-6-10 7644 Riverside San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido, an isolated area due west of the juction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with main trunk of San mateo Creek 671 Comment
  UCR243564  Coreopsis bigelovii Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21096 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley 1207 Comment
  UCR70724  Coreopsis bigelovii Ora M. Clark 1929-2-23 1562 Riverside Sonoran (Colorado) Desert, north of White Water Comment
  UCR280944  Coreopsis californica Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 72 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., 700-1100 ft. WNW of inter. with Glen Eden Rd. 366 Comment
  RSA575899  Corethrogyne filaginifolia Steve Boyd 1994-10-14 8401 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area of the Cleveland National Forest, San Mateo Canyon, along the Fisherman's Camp Trail, N of Tenaja Canyon. 451 Comment
  SDSU12244  Cotula australis Lara Tikkanen, Taxonomy of California Plants class, M. G. Simpson, instructor 2000-4-1 4 Riverside Comment
  UCR281252  Crassula aquatica Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 34 Riverside Perris-Aguanga Basin, Menifee, SE corner of Musick Rd. and Murrieta Rd. 454 Comment
  UCR97444  Crassula connata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19865 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  CLARK-A1528-424  Crassula erecta Jim Ryan 1969-3-26 22 Riverside Riverside 426 Comment
  POM294423  Crossosoma bigelovii Lyman Benson 1949-3-28 13563 Riverside Santa Rosa Mountains. Pines to Palms Highway from Palm Springs to Hemet. 732 Comment
  UCD102969  Crossosoma bigelovii Anne Harrison 1962-4-17 28 .5 Riverside East wall of Whitewater Canyon; north from Highway 60 on Whitewater Canyon road, 1/4 mile south of trout farm where road crosses Whitewater River. Comment
  JEPS52474  Croton californicus F. M. Reed 1905-9-25 Riverside Riverside Comment
  RSA33866  Croton californicus N. C. Cooper 1943-9-10 918 Riverside Banning. 610 Comment
  RSA480574  Croton californicus M. B. Dunkle 1933-3-4 3060 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA480577  Croton californicus P. J. Remple 1942-3-3 s.n. Riverside Garnet Station. Comment
  RSA644224  Croton californicus V. W. Steinmann, M. T. Wedlake 1995-4-8 655 Riverside Along Hwy. 111, 1 km northwest of Palm Springs (measured from the intersection with San Rafael Dr.). 215 Comment
  SDSU13473  Croton californicus James C. Dice, Virginia Moran 1987-11-28 760 Riverside Santa Margarita Ecological Reserve: Temecula Gorge, on north bank of Santa Margarita River at aqueduct crosing. T8S, R3W, SE 1/4 of NE 1/4 of Section 27. 250 Comment
  UCR237692  Croton californicus Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4604 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 526 Comment
  UCR240991  Croton californicus Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 55 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  RSA480571  Croton californicus var. mohavensis G. R. Johnstone 1929-11-28 s.n. Riverside 20 miles from Palm Springs 244 Comment
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Nov 11 2011
  UCR92269  Croton setiger Scott D. White 1995-8-23 3569 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  CAS-BOT-BC389672  Cryptantha D. L. Castleberry 1964-2-2 s.n. Riverside Tahquitz Canyon Comment
  UCR231780  Cryptantha John F. Green 2008-4-23 08- 24 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  SEINET6971882  Cryptantha W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  CLARK-A1045-208  Cryptantha angustifolia George K. Helmkamp 1979-4-18 Riverside Indio Hills dry wash; ; Lost Horse Mtn. 15'Q 304 Comment
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Feb 13 2019
  JEPS22569  Cryptantha angustifolia Rimo Bacigalupi with Paul Hutchison 1958-2-19 6200 Riverside 9.4 mi n Blythe (at w base of the Big Maria Mts.); Big Maria Mts. 167 Comment
  RSA719069  Cryptantha angustifolia Michael Honer 2005-3-18 2097 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  RSA731021  Cryptantha angustifolia Michael Wall 2008-4-26 455 Riverside Chuckwalla Mountains; Corn Springs wash at Corn Springs Rd. crossing ca. 8.0 miles SW of Chuckwalla Rd. 435 Comment
  UCR102724  Cryptantha angustifolia B. G. Pitzer 1998-1-24 3410 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
  UCR164064  Cryptantha angustifolia A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29146 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UCR52025  Cryptantha angustifolia Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2181 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA9117  Cryptantha angustifolia P. A. Munz, R. D. Harwood 1920-4-4 3514 Riverside Pass south of Palm Springs. 152 Comment
  POM118734  Cryptantha barbigera Marcus E. Jones 1924-2-28 s.n Riverside Desert Center, Colorado Desert Comment
  UCR103305  Cryptantha barbigera George K. Helmkamp 1998-4-4 3150 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR279331  Cryptantha barbigera var. barbigera A. C. Sanders, Jim Malusa 2017-3-23 42912 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
  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
  UCR196106  Cryptantha barbigera var. fergusoniae Jim Andre 2006-4-6 8149 Riverside S Mojave Desert, Joshua Tree National Park, near water tank just south of Black Rock Visitor Center 1260 Comment
  RSA787698  Cryptantha costata Duncan S. Bell 2012-4-5 3310 Riverside Palen sand dunes on the southwest side of the Palen mountains at the south end of Palen Valley and the northwestern part of Chuckwalla Valley. Approx. 6.75 air miles directly north of Hell. 141 Comment
  RSA0108939  Cryptantha inaequata Duncan S. Bell, Amanda Bell 2012-1-28 3071 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  RSA0106454  Cryptantha intermedia Daphne K. Christopher, Hannah Stevens 2003-4-3 80 Riverside UC Riverside, Motte Rimrock Reserve. Off Hairstreak Trail. 536 Comment
  UCR116982  Cryptantha intermedia A. C. Sanders, T. B. Salvato 2001-5-3 24081 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR124662  Cryptantha intermedia B. C. Templeton 1930-4-9 1023 Riverside San Bernardino Mtns., north of Banning 1220 Comment
  UCR27193  Cryptantha intermedia Marlyce Myers 1980-4-21 s.n. Riverside Perris Basin, Motte Reserve, 2.5 mi NW of Perris 518 Comment
  UCR43757  Cryptantha intermedia A. C. Sanders, B. Pitzer 1986-4-30 6491 Riverside San Jacinto Mtns, head of Bee Canyon along Bee Canyon Road, 1.7 mi. above mouth of canyon at the San Jacinto River Valley. 795 Comment
  SDSU21777  Cryptantha juniperensis A. C. Sanders, Timothy W. Chumley 2013-4-2 40751 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., above I-15 Fwy, SE of Corona (Lee) Lake (Alberhill 7.5') 396 Comment
  JOTR33862  Cryptantha maritima La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3053 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; rocky basalt slopes above Pinto Wash 377 Comment
  OBI38912  Cryptantha maritima A. C. Sanders, B. Pitzer & D. Charlton, & Kniffen, D. Charlton, & Kniffen 1986-3-3 6121 Riverside Corn Spring, Chuckwalla Mts, wash below the spring and wash and rocky slopes to the south (T6S, R16E, sec 28-projected) 488 Comment
  RSA0049916  Cryptantha maritima Jim Andre 2014-1-27 26673 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
  RSA0123175  Cryptantha maritima Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9064 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA735320  Cryptantha maritima Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11252 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  RSA699345  Cryptantha micrantha J. R. Bruff 1928-4-2 s.n. Riverside Whitewater Comment
  RSA164774  Cryptantha micrantha var. lepida Wesley O. Griesel 1962-6-29 718 Riverside San Jacinto Mountains: Dark Canyon. 1921 Comment
  RSA511347  Cryptantha micrantha var. lepida B. Pitzer 1988-3-12 662 Riverside Santa Rosa Mtns., Pinyon Flats Campground. 1220 Comment
  RSA777445  Cryptantha micrantha var. micrantha Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 970 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  UC1929303  Cryptantha microstachys Scott D. White, Justin Wood 2008-4-16 11883 Riverside Perris/Elsinore Basin; Hills to the W of I-215 and S of Scott Rd. Comment
  UCR100438  Cryptantha microstachys B. G. Pitzer 1997-4-11 3118 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  UCR241817  Cryptantha microstachys A. C. Sanders, Timothy W. Chumley 2013-4-2 40749 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., above I-15 Fwy, SE of Corona (Lee) Lake 396 Comment
  UCR91510  Cryptantha microstachys Scott D. White, M. Jacobsmeyer 1996-4-20 3942 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore. c. 1 road mi east of Bundy Canyon Road exit from Hwy I-15 freeway. south of road. 451 Comment
  RSA0078869  Cryptantha muricata var. jonesii Scott D. White, Justin M. Wood 2009-5-21 12867 Riverside Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  RSA0079250  Cryptantha muricata var. jonesii F. M. Reed 1925-5-23 5049 Riverside Horsethief Canyon, Temescal Mountains. Comment
  CLARK-A1528-7857  Cryptantha nevadensis John C. Roos 1949-4-11 4246 Riverside Chuckwalla Mountains Comment
  RSA480005  Cryptantha nevadensis Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2138 Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  RSA0123115  Cryptantha nevadensis var. nevadensis Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9022 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  JOTR34063  Cryptantha pterocarya var. purpusii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2961 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
  JOTR35146  Cryptantha racemosa La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3258 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  SEINET3084283 Image available Cryptantha racemosa P. Leary, K. Liska 1975-4-7 1041 Riverside 1 mile southwest of Aqua Peak, Coxcomb Mountains, Joshua Tree National Monument 853 Comment
  JEPS67900  Cryptantha utahensis Marjorie D. Clary 1933-3-25 2073 Riverside Ebbens Creek Wash Colorado Desert, Santa Rosa Mountains 304 Comment
  RSA5435  Cryptogramma acrostichoides C. B. Wolf 1932-8-5 3978 Riverside Rocks at summit of San Jacinto Peak 3294 Comment
  UCR187360  Cucurbita palmata R. E. Riefner Jr. 2006-8-2 06- 349 Riverside Peninsular Range, Lakeview Mountains, vicinity of Alicante Dr. and Jamawag Rd., north of Leon Rd. 550 Comment
  POM70787  Cuscuta californica Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA575835  Cuscuta ceanothi Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of 'Estelle Creek' and Temescal Creek, just northwest of the entrenched meander of Temescal Creek at the western base of Estelle Mountain. 317 Comment
  SEINET238505  Cuscuta pentagona A. C. Sanders, Mihai Costea; D Bramlet T Salvato 1999-10-15 23171 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd. 1.4 mi. SE of Jackr 433 Comment
  LA204501  Cylindropuntia californica var. parkeri W. E. Pequegnat; 1939-8-18 51 Riverside Santa Ana Mountains Comment
  SD186156  Cylindropuntia californica var. parkeri J. S. Ross, T. B. Salvato 1998-6-9 MOR 326 A Riverside Morongo Indian Reservation, Lion Canyon, ca. 3.5 miles northnorthwest of Cabazon. 854 Comment
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Apr 1 2015
  SEINET5624465 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-3-25 17525 .5 Riverside Northeast end of Chuckwalla Mountains, 11km SSE of Desert Center, 70km west of Blythe, two-track branching south from Corn Spring Road, 1.1 km W of Corn Spring Campground, 400m south of Corn Springs Wash; Pilot Mountain 1.5' USGS topographic quadrangle 527 Comment
  UCR63622  Cymbalaria muralis B. G. Pitzer 1990-8-5 1478 Riverside University of California / Riverside Botanic Garden, near the border between grid cells F-6 and G-6. Growing out of cracks of granite on the SE side of the trail, about 50 ft west of the main trail up Alder Canyon 396 Comment
  UCR25065  Cyperus erythrorhizos John C. Roos 1951-9-25 5249 Riverside Riverside, Fairmount Park 259 Comment
  UCR104089  Cyperus odoratus John Wear 1997-9-18 s.n. Riverside Sonoran (Colorado) Desert, City of La Quinta, Washington Street, c. 100 m from Pine 43 Comment
  UCR89437  Cyperus retrorsus Steve Morgan 1994-9-13 s.n. Riverside Riverside, UCR campus in the Botanic Garden. Along the trail in the chaparral section just west of (below) the lath house Comment
  UC218663  Cystopteris fragilis P. A. Munz 1922-7-6 5988 Riverside Tahquitz Valley; San Jacinto Mts 2194 Comment
  UCR69569  Cytisus striatus A. C. Sanders, Chet McGaugh 1991-7-19 11142 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  POM128977  Dalea mollis E. E. Schellenger 19 Riverside Colorado Desert. Santa Marie Mts. [Little or Big Maria Mountains] Comment
  RSA498350  Dalea mollis Martha Hilend 1928-4-15 177 Riverside Thousand Palms Comment
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Sep 10 2011
  RSA498347  Dalea mollis Albert J. Perkins 1914-05 s.n Riverside Riverside vicinity Comment
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Sep 3 2011
  CDA26961  Dalea mollissima W. E. Henson 1930-3-1 3694 Riverside Chuckawalla Valley. 0 Comment
  POM307229  Dalea mollissima Henry J. Ramsey, Henry J. Ramsey 1940-3-14 1992 Riverside North of Blythe. Comment
  RSA517837  Dalea mollissima Steve Boyd, Orlando Mistretta 1986-3-13 1467 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UC863725  Dalea mollissima C. L. Hitchcock 5846 Riverside ca. 12 mi. e. Indio Comment
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Oct 16 2011
  UCR92501  Dalea mollissima George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  RSA718771  Dalea mollissima Michael Honer, L. Hulse 2004-4-4 1930 Riverside SW base of Cottonwood Mtns., near MWD aqueduct, appx. .75 mi. N of I-10. E edge of Pinkham Wash. 488 Comment
  CAS-BOT-BC283040  Dasyochloa pulchella Lewis S. Rose 1936-12-26 36831 Riverside 22 mi. E. of Indio, Indio-Blythe Road 762 Comment
  RSA592686  Dasyochloa pulchella Scott D. White, Duayne Haselfeld 1996-7-2 4270 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
  POM12730  Datisca glomerata P. A. Munz 1922-7-1 5932 Riverside Santa Rosa Mts: Old Nicholas Canyon. 1432 Comment
  RSA424561  Datisca glomerata T. S. Elias, S. D. Boyd, K. Tan 1986-7-23 10154 Riverside Santa Rosa Plateau: along Cole Creek. 610 Comment
  HSC84147  Datura wrightii H. A. Heaton 1987-4-11 8 Riverside N of the University of California, Riverside, E on Blaine, N on Belvedire 0.6 mi. to the base of Two Trees Canyon 396 Comment
  UCR100312  Datura wrightii B. G. Pitzer 1997-4-20 3173 Riverside Lakeview Mtns, top of the hill on Dutton Street, just east of Horseshoe Trail, at a point c. 0.4 mi. north of Stagecoach Road. 640 Comment
  UCR215642  Datura wrightii Bao Doan 2010-5-31 13 Riverside Western edge of Sonoran (Colorado) Desert, San Gorgonio Pass, Cabazon, Apache Trail at Pipeline Road 563 Comment
  POM362220  Deinandra kelloggii Banning 1921-6-1 3428 Riverside San Jacinto Comment
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Feb 22 2014
  UC63237  Deinandra kelloggii H. M. Hall Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley Comment
  RSA736955  Deinandra paniculata Justin M. Wood, Scott D. White, Brandy Ulrich 2008-7-15 22 Riverside W of Anza Valley, adjacent to Cave Rock Rd. Approx. 1/4 mile E of Cahuilla Indian Reservation. 1215 Comment
  RSA149645  Delphinium parishii Harlan Lewis, C. Epling 1941-5-2 s.n. Riverside White Tank, Joshua Tree Nat'l Mon. Comment
  RSA398684  Delphinium parishii Emery M. Whilton 1937-3-19 s.n. Riverside taken in the foothills near Palm Springs, Coachella Valley Comment
  UCR133717  Delphinium parishii N. C. Cooper 1944-4-8 1069 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Andreas Canyon 457 Comment
  CAS-BOT-BC7984  Delphinium parishii subsp. parishii Milo S. Baker 1928-4-3 2802 b Riverside Tahquitz Canyon near Palm Springs Comment
  RSA0018985  Delphinium parishii subsp. parishii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10473 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
  LA207619  Delphinium parishii subsp. subglobosum Carl Epling; Mrs. Epling 1937-6-7 sn Riverside 1 mi. above Pine Flat Comment
  RSA618173  Delphinium parryi D. L. Banks 1997-5-5 2013 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., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  CAS-BOT-BC121437  Delphinium parryi subsp. parryi Marion L. Campbell 1921-3-26 57 Riverside Banning 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
  UCR114960  Deschampsia danthonioides Fred M. Roberts 1992-4-25 4870 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  POM11891  Descurainia obtusa subsp. adenophora E. C. Jaeger 1921-6-14 s.n. Riverside MacMullin Trail 1220 Comment
  POM369561  Descurainia obtusa subsp. adenophora Lester H. Cushman 18058 Riverside Idyllwild Comment
  POM369423  Descurainia pinnata Dr H. de Forest 1929-2-16 s.n. Riverside San Gorgonio Pass(San Bernardino Mtns. on label) Comment
  UC1126776  Descurainia pinnata H. S. Yates 1937-3-23 6391 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UCR279337  Descurainia pinnata A. C. Sanders, Jim Malusa 2017-3-23 42922 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
  UC64338  Descurainia pinnata subsp. menziesii H. M. Hall 1895-3-10 70 Riverside near Riverside (Fairmount Hill); Fairmount Hill Comment
  UCR166175  Dichelostemma capitatum 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
  UCR178511  Dichelostemma capitatum R. G. Swinney 1967-2-12 0021 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  CAS-BOT-BC292199  Dicoria canescens M. E. Jones 1933-11-7 s.n. Riverside Cabazon Comment
  RSA709117  Dicoria canescens Scott D. White, Justin M. Wood 2005-10-4 11237 Riverside San Gorgonio Pass: Cabazon: Smith Creek (a dry wash) at the foot of the San Jacinto Mtns., south of the I-10 Freeway and west of San Gorgonio River. 564 Comment
  UC666420  Dieteria asteroides var. asteroides Annie M. Alexander and Louise Kellogg 1941-5-28 2258 Riverside 3 mi n Palo Verde; Colorado Desert 106 Comment
  UCR2327  Digitaria sanguinalis Ralph Gray 1941-9-2 s.n. Riverside Riverside Citrus Experiment Station, field NW of Administration Building 335 Comment
  RSA613465  Dimorphotheca sinuata D. L. Banks, Victor Steinmann 1997-3-13 1456 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  SD241952  Diplacus brevipes P. A. Munz, J. M. Johnston 1922-5-20 Riverside San Jacinto Mountains: 2 miles below Kenworthy, Thomas Valley. 1372 Comment
  RSA0019281  Diplacus brevipes Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38099 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmor. 1677 Comment
  CAS-BOT-BC153097  Diplacus fremontii John Thomas Howell 1927-8-2 2919 Riverside Near Idyllwild on road to Keen Camp, Mt. San Jacinto 1676 Comment
  CAS-BOT-BC153100  Diplacus fremontii B. Ertter; J. Strachan 1979-6-26 2989 Riverside Banning-Idyllwild Road (Hwy 243) at Black Mtn turnoff (Forest Rd 4Sol), San Jacinto Mts. Comment
  RSA0019300  Diplacus puniceus D. L. Banks, Steve D. Boyd 1995-6-2 563 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, approximately 1/4 mile S of the clay grasslands. 902 Comment
  RSA751356  Diplotaxis erucoides Steve Morgan 1998-3-18 s.n. Riverside weed in the UCR Botanical Garden, E side of the UCR campus 396 Comment
  SD178098  Distichlis spicata A. C. Sanders 2004-5-12 27879 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 377 Comment
  UCR232079  Distichlis spicata John F. Green 2008-4-22 06- 07 Riverside Peninsular Range, hills south of Perris, powerline route just above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 442 Comment
  JEPS48841  Ditaxis lanceolata Marjorie D. Clary 1932-3-23 908 Riverside Coral Reef Canyon Comment
  RSA421610  Ditaxis lanceolata Anonymous 1893-4-10 s.n. Riverside Palm Springs. Comment
  SFV17344  Ditaxis lanceolata J. D. Dilley, J. N. Hogue (109.6) 1998-4-24 279 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash, 0.5 miles east of Aztec Well. 579 Comment
  UC2015642  Ditaxis lanceolata A. C. Sanders with G. Helmkamp & P. MacKay 1995-3-12 16097 Riverside Coachella Valley: alluvial slopes at the foot of Rabbit Peak, Santa Rosa Mtns., below Sheep Canyon. Comment
  UCR72230  Ditaxis neomexicana Theo Glenn 1991-5-28 91- 109 Riverside Sonoran (Colorado) Desert, Mule Mountains 165 Comment
  RSA776844  Ditaxis serrata Amber Swanson 2011-3-18 230 Riverside Corn Springs Trail near campground in the Chuckwalla Mtns Comment
  JEPS53473  Dithyrea californica L. M. Newlon 1922-4-3 423 Riverside Indian Wells Colorado Desert Comment
  SFV1460  Dithyrea californica P. M. Kennamer 1958-4-1 s. n. Riverside 0.75 miles north of Joshua Tree National Monument turnoff; 50 feet on west side of road. 30 Comment
  UC10263  Dithyrea californica S. B. Parish Apr 4 1896-Apr 13 1896 4107 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. 152 Comment
  UCR1209  Dithyrea californica Martha McCarthy 1960-3-13 s.n. Riverside NW Colorado Desert, Whitewater Canyon Road, 0.5 mi from junction with US Hwy 60-70-99 457 Comment
  POM193556  Dodecahema leptoceras C. C. Parry, J. Lemmon 1876-1 367 Riverside Whitewater. Comment
  RSA461477  Dodecatheon alpinum subsp. majus Claire Kibbe 1936-07 s.n. Riverside San Jacinto Mountans. 1982 Comment
  RSA728149  Dodecatheon clevelandii Daphne K. Christopher, Hannah Stevens 2003-4-8 119 Riverside Santa Rosa Plateau Nature Conservancy Preserve. 556 Comment
  UCR23186  Downingia bella Melody Lardner 1981-5-31 196 Riverside Santa Ana Mtns, Tenaja Rd., 2.5 mi from the corner of Calle Collina Rd. and Tenaja Rd., 0.5 mi east of Squaw Mtn 610 Comment
  RSA757458  Downingia cuspidata R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55199 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de Colorado 625 Comment
  UC219559  Draba corrugata var. saxosa P. A. Munz 1922-7-6 6021 Riverside bet Hidden Lake and Round Valley (San Jacinto Mts.); , bet Hidden Lake and Round Valley 2560 Comment
  RSA85799  Drymocallis glandulosa E. C. Jaeger 1924-6-29 5446 Riverside Tahquitz Valley. 2134 Comment
  SDSU13617  Drymocallis glandulosa var. wrangelliana C. Mosse, W. Miller Riverside 316 Comment
  UCR240657  Dryopteris arguta Tracy Tennant, Mitch Provance 1998-6-16 MOR- 428 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  UCR130867  Dudleya lanceolata Mitch Provance 1998-6-10 636 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  UCR3186  Dudleya lanceolata Chuck Elliott 1964-5-7 s.n. Riverside Riverside, 1 mi past end of Canyon Crest Road west. 305 Comment
  CAS-BOT-BC109628  Dudleya multicaulis Mrs. C. M. Walden s.n. Riverside West of Riverside. Comment
  UCR24174  Dudleya saxosa subsp. aloides John C. Roos, Lucille Roos 1949-4-23 4285 Riverside Sonoran (Colorado) Desert, Eagle Mtns., Munsen Canyon Comment
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Apr 24 2011
  UCR72237  Dyssodia porophylloides Theo Glenn 1991-5-27 91- 121 Riverside Sonoran (Colorado) Desert, Palen Mountains, NE of Desert Center 360 Comment
  UC403451  Echinocereus engelmannii Munz and Johnston 1922-5-21 5570 Riverside 2 mi below Kenworthy; San Jacinto Mts., Thomas Valley Comment
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Mar 25 2011
  RSA0125229  Echinocereus engelmannii var. engelmannii J. R. Shevock 1971-5-8 1038 Riverside Near White Tank, Joshua Tree National Monument 1220 Comment
  UCR201019  Echinochloa oryzicola Scott D. White, Justin M. Wood 2008-9-17 12538 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks 448 Comment
  RSA754124  Eleocharis acicularis W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-8-29 15 Riverside Idyllwild: Skunk Cabbage Meadow. 2449 Comment
  UCR225160  Eleocharis bella Steve Boyd, Gary Wallace 2005-7-30 11646 Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  RSA770879  Eleocharis geniculata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4602 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC839371  Eleocharis macrostachya I. W. Clokey, E. G. Anderson 1935-1 6565 Riverside Hemet Lake 1320 Comment
  RSA381084  Eleocharis montevidensis Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61177 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  RSA703625  Eleocharis parishii Scott D. White, Angelia Carey 2004-9-16 10763 Riverside Indian Creek watershed, above confluence w/ San Jacinto River. Former homestead area with persisting pond (cattle pond?) & adj. wetlands and seep. 579 Comment
  RSA0024925  Eleusine coracana subsp. africana R. E. Riefner Jr. 2013-10-29 13 -225 Riverside La Sierra, along La Sierra Ave. at Sierra Tree Street. 243 Comment
  UCR154760  Elymus condensatus T. B. Salvato, Kent Beaman 2005-5-16 781 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
  OBI32773  Elymus glaucus E. W. Lathrop 1965-4-26 5689 Riverside 4 mi SE of Murrieta Comment
  SEINET7303713 Image available Elymus glaucus Robert Thorne, J. -P. Simon, & C. W. Tilforth 1969-1 38111 Riverside San Bernardino National Forest, San Jacinto Mts.: Above James Reserve in Hall Canyon 1676 Comment
  UC729843  Elymus glaucus Carl B. Wolf 1932-8-5 3942 Riverside along trail from Tahquitz Valley to San Jacinto Peak; San Jacinto Mts. 2621 Comment
  UCR44199  Elymus glaucus subsp. glaucus A. C. Sanders 1986-6-1 6540 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  UCR2361  Elymus glaucus subsp. jepsonii F. M. Reed 1908-7-13 2429 Riverside San Jacinto Mtns., Tahquitz Valley, north side 2561 Comment
  UC37038  Elymus trachycaulus H. M. Hall 1901-7-1 2541 Riverside Fuller's Mill Mts. San Jacinto Mountains 1798 Comment
  UCR202592  Elymus triticoides Scott D. White, Justin M. Wood 2008-7-8 12392 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  RSA401453A  Emmenanthe penduliflora Christopher Davidson 1973-4-1 1785 Riverside St. Hwy 71/79, appx 7 miles E of jct with Hwy 395 south. 412 Comment
  RSA504543  Emmenanthe penduliflora Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mountains, ca. 1 mile SE of town of Nuevo. 640 Comment
  RSA667004  Emmenanthe penduliflora A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24216 Riverside Hemet. SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte. 500 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
  RSA80986  Emmenanthe penduliflora G. R. Campbell 1952-4-5 18372 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  UCR279563  Emmenanthe penduliflora A. C. Sanders, Jim Malusa 2017-3-29 43167 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, Canyon Spring wash just above confluence with Salt Creek 338 Comment
  UCR906A  Emmenanthe penduliflora S. Riddell 1973-5-17 7 Riverside Santa Ana Mtns, Hwy 74, 8.8 mi west of Hwy 71-74 junction, west of Elsinore 640 Comment
  UCSB16206  Emmenanthe penduliflora Gerhart, Janet 1963-5-5 Riverside 5.0 miles east of Pinon Flats Campground on State Highway 74 975 Comment
  SD87729  Encelia actoni Frank W. Peirson 1928-4-24 7891 Riverside Cottonwood Spring. Comment
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Oct 9 2010
  UC101061  Encelia actoni Dr. R. J. Smith 1904-1-1 302 Riverside Cabezon Comment
  UC31387  Encelia californica E. L. Koethen 1897-4-1 17 Riverside plains Riverside Comment
  JOTR35377  Encelia farinosa Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 166 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  RSA0018592  Encelia farinosa Duncan S. Bell 2013-1-30 4458 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  RSA796096  Encelia farinosa Duncan S. Bell 2009-4-20 306 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  UC1118070  Encelia farinosa R. St. John 1929-3-25 16 Riverside e of Cabezon Peak; San Jacinto 457 Comment
  UC472322  Encelia farinosa Geo. B. Grant 1906-4-20 396 -6720 Riverside Palm Springs Southern California, Palm Springs Comment
  UCD131203  Encelia farinosa Curtis Clark 1975-3-22 452 Riverside road to Joshua Tree National Monument, north of Interstate Highway 10, south of Monument boundary. Comment
  UCR233584  Encelia farinosa A. C. Sanders, John F. Green 2012-3-26 39994 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, near I-15 Fwy crossing of Temescal Wash, west of Hostettler Rd. 395 Comment
  UCR60769  Encelia farinosa Steve Boyd, O. Mistretta 1986-3-13 1466 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  SEINET8735120 Image available Encelia farinosa Jean Coulson 1959-1 s.n. Riverside U. C. R. Campus, 100 yds W. of biological control lot E. of Webber Hall. 1 Comment
  POM122186  Encelia farinosa var. farinosa Marcus E. Jones 1926-2-15 S.N. Riverside Near Indio. Comment
  POM31425  Encelia farinosa var. farinosa Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA33820  Encelia farinosa var. farinosa Norman C. Cooper 1944-3-26 1038 Riverside Morongo Pass, Floor of canyon. 457 Comment
  RSA383849  Ephedra aspera N. R. Zabriskie, W. M. Zabriskie 1974-3-30 696 Riverside S of juncture with North Canyon, Andreas Canyon, E slope San Jacinto Mtns. Between Sites A-8 and A-9 335 Comment
  UC813668  Ephedra aspera I. W. Clokey 1935-4-17 6513 Riverside Cottonwood Springs Comment
  UC813674  Ephedra aspera Ira L. Wiggins 1937-3-9 8746 Riverside Chuckawalla Springs Chuckawalla Mts., Chuckawalla Springs 528 Comment
  CAS-BOT-BC81546  Ephedra californica Lewis S. Rose 1955-3-14 55028 Riverside [Whitewater] White Water Wash, 3 mi. se. of Palm Springs Station 304 Comment
  LA81891  Ephedra californica Robert F. Thorne; 1964-5-3 33851 Riverside near hwy ca 4 mi. S of Morongo Valley and ca 3 mi. S of San Bernandino Co. line Comment
  JOTR35307  Ephedra nevadensis Andre, Jim 2012-4-11 20808 Riverside Joshua Tree National Park. western margin of Eagle Mountains, along road to Cottonwood Spring (Utah Trail), 0.7mi N of Cottonwood Visitor Center 956 Comment
  RSA794236  Ephedra nevadensis J. Andre 2012-3-19 21334 Riverside Chuckwalla Mountains; north end of range at Jaeger Nature Sanctuary, 1.5 miles south of junction Eagle Mountain Road and I-10 freeway. 411 Comment
  RSA796328  Ephedra trifurca Duncan S. Bell 2009-4-19 280 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  POM48869  Epilobium canum subsp. latifolium P. A. Munz 1924-7-26 8703 Riverside Near Dark Canyon, San Jacinto Mts. 1524 Comment
  UCR174088  Epilobium ciliatum A. C. Sanders 2006-5-19 32436 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
  CLARK-A1528-4640  Eragrostis curvula John C. Roos 1965-9-16 Riverside Lakeview Comment
  UCSB51406  Eragrostis curvula Roos, John 1965-9-16 Riverside Lakeview Comment
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Sep 19 2018
  RSA737430  Eragrostis mexicana subsp. virescens Justin M. Wood 2008-8-31 126 Riverside Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  RSA314485  Eragrostis minor R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55366 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  UCD64538  Eragrostis pectinacea Fred M. Reed 1904-8-10 85 Riverside Riverside and vicinity. Comment
  CSUSB1449  Eremalche exilis Kirby W. Brown 1966-3-10 Riverside Highway 111, 8.4 miles northwest of Palm Springs 304 Comment
  UCR273741  Eremalche exilis Duncan S. Bell, Amanda Bell, Evan Bell 2012-1-28 3069 Riverside Mojave Desert, east side of the Arica Mountains, Rice Valley, c. 6 air miles southeast of the ghost town of Rice 202 Comment
  UCR77742  Eremalche exilis Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6032 Riverside Vail Lake, SW and W flanks of Billy Goat Mtn. 3 mi north of Hwy 79, 1 mi west of Hwy 371, north of Aguanga 880 Comment
  UCR213313  Eremalche rotundifolia A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37439 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  JEPS31751  Eremothera refracta W. L. Jepson 1928-4-23 12558 a Riverside n Mecca; Cottonwood Mts., Cottonwood Spr. 518 Comment
  SD120076  Eriastrum densifolium subsp. austromontanum Louis B Ziegler 1964-9-2 5 Riverside San Jacinto Mountains; Pinyon Flats. 1310 Comment
  UCR126168  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-6-22 102 Riverside San Jacinto Mtns., Hwy 371, 4.5 km south of Hwy 74, south side of road, in sandy bottom of Hamilton Wash 1268 Comment
  UCR126206  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-9 124 Riverside Arroyo Seco Creek, adjacent to Dripping Springs Public Campground, c. 500 m south of terminal loop of campground road, along east bank of creek 488 Comment
  UCR126227  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-7-4 116 Riverside San Jacinto Mtns., Thomas Mtn. Road, 1.5 km west of Thomas Mtn. Campground, both sides of road 1939 Comment
  JOTR29500  Eriastrum densifolium subsp. elongatum Bell, Mike, Nicole Pietrasiak 2006-7-7 s.n. Riverside Joshua Tree National Park. Upper Covington Flat; trail head parking lot 1469 Comment
  SEINET3087450 Image available Eriastrum eremicum B. Pitzer 1986-5-24 233 Riverside Whitewater Canyon, ca. 5 mi N of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to ca. 0.25 mi N of hatchery boundary. 7.5' quad. 732 Comment
  UCR6145  Eriastrum eremicum C. M. Bringle, H. Johnston 1967-5-13 B670513- 7 Riverside Sonoran (Colorado) Desert, Between Sky Valley and N Palm Springs on Dillon Rd., exact;y 3 mi. south of Bennett Rd. intersection, where Little San Bernardino Mtns. come within 100 ft of Dillon Rd. Both sides of road 152 Comment
  JOTR33963  Eriastrum eremicum subsp. eremicum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2849 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  UC727405  Eriastrum eremicum subsp. eremicum H. K. Wagnon 1944-5-30 411 Riverside Corner of Indian Ave and Ramon Road, Palm Springs. Comment
  UCR130710  Eriastrum eremicum subsp. eremicum George K. Helmkamp, E. A. Helmkamp 1998-6-27 4076 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
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Nov 13 2018
  UCR174122  Eriastrum filifolium A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32616 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR174378  Eriastrum filifolium A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32626 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UC52457  Eriastrum sapphirinum H. M. Hall 1897-7-3 Riverside Riverside Comment
  UCR106344  Eriastrum sapphirinum John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR140741  Eriastrum sapphirinum A. C. Sanders 2004-5-11 27852 Riverside Elsinore Basin Region, Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  UCR188669  Eriastrum sapphirinum Amanda Lovelady, Tina Hofmann 2007-5-20 34 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
  VVC373  Eriastrum sapphirinum A. C. Sanders, J. Mac 1997-5-4 20680 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek. 915 Comment
  CAS-BOT-BC515004  Eriastrum sapphirinum subsp. dasyanthum John Thomas Howell 1931-5-30 6595 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  CAS-BOT-BC515006  Eriastrum sapphirinum subsp. dasyanthum P. C. Everett; E. K. Balls; L. W. Lenz 1952-7-1 17283 Riverside 6.7 mi W along Hwy 74 from jct with road S from Idyllwild 914 Comment
  SEINET10424706 Image available Eriastrum sapphirinum subsp. dasyanthum Norman C. Cooper 1944-5-20 1297 Riverside Banning. 701 Comment
  SD255240  Eriastrum sapphirinum subsp. sapphirinum Duncan S. Bell, Evan Meyer and Sonia Pena 2015-10-20 8723 Riverside Santa Rosa Mountains; approximately 0.75 air mile west of the summit of Santa Rosa Mountain. 2196 Comment
  RSA0063623  Eriastrum sapphirinum subsp. sapphirinum J. D. Olmsted 1959-8-18 784 Riverside Reservoir Hill at Desert Sun School near Idyllwild. Mt. Range: San jacinto; Drainage Area: M. Fk. S. Jacinto R. 1646 Comment
  JOTR16585  Ericameria cooperi var. cooperi Moore, Sue 1968-4-29 s.n. Riverside Joshua Tree National Park. NEAR WHITE TANK CAMPGROUND 1158 Comment
  RSA489839  Ericameria cuneata D. Charlton 1988-5-28 2137 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area 2286 Comment
  UC494685  Ericameria cuneata var. spathulata P. A. Munz 1932-10-16 12848 Riverside road Indio to Vandeventer Flat; Santa Rosa Mts. 1066 Comment
  CAS-BOT-BC287641  Ericameria linearifolia Frank W. Peirson 1921-3-21 2380 Riverside Gordon Trail, E slope San Jacinto Mts 914 Comment
  RSA171381  Ericameria linearifolia J. D. Olmsted 1962-5-3 3508 Riverside San Jacinto Mts 1616 Comment
  UC1329850  Ericameria nauseosa var. mohavensis James E. Cole 1941-10-20 31 Riverside Optimist Mine Road Joshua Tree National Monument, Lost Horse Valley 1310 Comment
  SD127547  Ericameria paniculata Reid Moran 1967-11-7 14648 Riverside 4 miles north of Palm Springs. 299 Comment
  CAS-BOT-BC131640  Ericameria parishii var. parishii E. P. Van Duzer 1913-4-30 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC293095  Ericameria pinifolia A. C. Sanders 1995-11-26 17908 Riverside Tule Creek Valley, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371 1188 Comment
  SEINET10915531  Erigeron David B. Dunn 1947-9-21 Dunn 3507 Riverside Stream (Springs) bed, wet sand. Pushawalla Canyon, just below the Palms by quad 7, Indio Hills. Comment
  RSA761280  Erigeron foliosus Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade, et al. 2010-8-14 715 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA642600  Erigeron foliosus var. foliosus D. L. Banks, Mike Kinney 1998-6-8 2210 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside / San Diego County line border. 475 Comment
  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
  RSA455023  Eriodictyon crassifolium N. C. Cooper 1949-6-3 4151 Riverside Temecula 762 Comment
  CAS-BOT-BC189131  Eriodictyon crassifolium var. crassifolium Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  UCR91723  Eriodictyon trichocalyx A. C. Sanders, J. Goetzen 1996-5-1 18124 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  UCSB5480  Eriodictyon trichocalyx var. trichocalyx Ullman, Sydney 1956-4-14 Riverside Whitewater Canyon 16 miles south of Banning Comment
  RSA784543  Eriogonum J. D. Olmsted 1959-9-22 s.n. Riverside Santa Ana Mts. to south, Drainage area to Pacific Ocean: Tributary from south into Santa Ana Can. at 3M clay workings [3M is a company]. North of Hwy 0.5 mi south of Santa Ana River. 8-10 mi SW of Corona. 131 Comment
  JOTR34192  Eriogonum angulosum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2980 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  CAS-BOT-BC248620  Eriogonum apiculatum P. A. Munz; E. K. Balls 1952-8-21 17975 Riverside Santa Rosa Spring, Santa Rosa Mts. 2133 Comment
  UCR24319  Eriogonum apiculatum John C. Roos 1937-8-18 2532 Riverside San Jacinto Mountains, Above Idyllwild Comment
  RSA78246  Eriogonum davidsonii P. A. Munz, E. K. Balls 1952-8-21 17963 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1372 Comment
  UCD99872  Eriogonum davidsonii G. L. Webster; R. Hildreth 1966-12-9 7452 Riverside Joshua Tree National Mon., Yucca-Juniperus parkland at Split Rock. Comment
  JEPS20728  Eriogonum deflexum var. deflexum Roxana S. Ferris and Rimo Bacigalupi 1958-3-19 13258 Riverside 2.3 mi above Midland P.O. (U.S. gypsum mine property); Little Maria Mts. Comment
  RSA346255  Eriogonum elongatum Robert F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54061 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA596114  Eriogonum elongatum var. elongatum D. L. Banks 1996-11-7 1199 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation, 150 m E of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 579 Comment
  JOTR32469  Eriogonum fasciculatum var. flavoviride Herskovits, Tasya, M. Harding 2011-5-20 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ryan Mountain; Rocky slopes bordering Ryan Mountain Trail (Stop 1) 1428 Comment
  LA206785  Eriogonum fasciculatum var. polifolium A. M. Johnson; 1932-8-18 4133 Riverside San Jacinto Mountains, along road, down Banning side Comment
  CAS-BOT-BC253494  Eriogonum gracile James L. Reveal; Caroline G. Reveal 1972-8-9 2857 Riverside Along California Highway 243, 4 miles north of the road junction with Highway 74, 0.5 mile south of the center of Idyllwild, San Jacinto Mountains Comment
  CAS-BOT-BC253496  Eriogonum gracile James L. Reveal; C. Rose Broome 1987-6-27 6602 Riverside Along the road to Dunkel Spring (Esperanza Avenue) southeast of Cabazon in the riverbed of the San Gorgonio River, San Gorgonio Pass 541 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
  UCR280831  Eriogonum gracile T. B. Salvato, Gregg Miller 2005-6-3 1404 Riverside Peninsular Range; Perris-Aguanga Basin Region, edge of Gavilan Hills ca 3.5 mi SW of Perris, 1.4 mi SE of Steele Peak, and 0.5 mi NNW of Good Hope Mine, E of Hwy 74 534 Comment
  UCR140898  Eriogonum gracile var. gracile Virginia Moran 2003-7-17 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  RSA242147  Eriogonum gracile var. incultum James L. Reveal, Caroline G. Reveal 1972-8-9 2857 Riverside Along California Highway 243, 4 miles north of the road junction with Highway 74, 0.5 mile south of the center of Idyllwild Comment
  UCR69795  Eriogonum gracile var. incultum A. C. Sanders, Chet McGaugh 1991-7-19 11140 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  JOTR35262  Eriogonum heermannii var. argense La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3247 Riverside Joshua Tree National Park. West of Queen Mountain, Wonderland of Rocks; narrow wash with large granitic boulders throughout corridor (Stop 2) 1302 Comment
  CAS-BOT-BC257583  Eriogonum inflatum Roxana S. Ferris 1918-6-14 980 Riverside In Box Canon [Canyon], Chocolate Mts. on Mecca-Blythe Rd Comment
  RSA393595  Eriogonum inflatum var. deflatum Ora M. Clark 1929-3-17 1741 Riverside N. La Quinta, Colorado Desert. Comment
  JOTR35371  Eriogonum nudum var. pauciflorum Wheeler, Mark 2011-10-20 s.n. Riverside Joshua Tree National Park. just east of Inspiration Point, localized population in canyon 1620 Comment
  JOTR16819  Eriogonum pusillum Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. Comment
  RSA424847  Eriogonum pusillum Emery M. Whilton 1937-3-22 s.n. Riverside Taken in the Chocolate Mountains, east slope, Coachella Valley. Comment
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Dec 18 2011
  RSA799084  Eriogonum pusillum Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6881 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  UC472762  Eriogonum pusillum M. F. Spencer 1921-4-9 Riverside canyon pr. Palm Springs; Colorado Springs 182 Comment
  UCR16529  Eriogonum reniforme Heather Johnston, C. M. Bringle 1967-5-16 s.n. Riverside Sonoran (Colorado) Desert, North Palm Springs. 4.6 miles east ('south') of Indian Ave. on Dillon Road 244 Comment
  RSA424914B  Eriogonum saxatile Louis C. Wheeler 1931-10-3 235 Riverside Sumit Fern Valley-Tahquitz Valley trail, San Jacinto Mountains. 2500 Comment
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Jul 9 2012
  RSA644221  Eriogonum thomasii Victor W. Steinmann, P. I. Moscosa, T. S. Ross 1998-4-14 1368 Riverside Orocopia Mountains, 1.5 km southwest of the Hayfield exit of I-10; ca. 600 m. Along a small wash on north-facing slope. 183 Comment
  SBBG81485  Eriogonum thomasii S. A. Junak 1983-3-23 1622 a Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  RSA766488  Eriogonum thurberi Joseph A. Ewan 1932-4-8 s.n. Riverside Seven Palms near Garnet. Comment
  UC6475  Eriogonum thurberi A. J. McClatchie 1890-1 45 Riverside near Elsinore Comment
  CAS-BOT-BC263583  Eriogonum trichopes L. A. Greata No date on label. 400 Riverside Coachella, Colorado Desert Comment
  RSA766491  Eriogonum trichopes Alice Hutchinson 1931-09 6853 Riverside Between Desert Center and Blythe 122 Comment
  UCD70599  Eriogonum trichopes Elizabeth Milauskas 1994-5-7 15 Riverside Palm Springs, 4 blocks W of Via Monte Vista (behind dam) on Agua Caliente Indian Reservation in a desert wash; full sun; dominant Larrea divaricata; annual herb on sandy/gravelly dry soil among shrubs, common, ht. 5cm, fls yellow. 158 Comment
  SDSU7231  Eriogonum wrightii Florence Youngberg 1933-8-28 Riverside Fern Valley, Idyllwild. Comment
  POM259261  Eriogonum wrightii var. membranaceum P. A. Munz 1938-8-14 15384 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2439 Comment
  UCR13757  Eriogonum wrightii var. membranaceum N. R. Zabriskie, W. W. Zabriskie 1969-11-22 240 Riverside Peninsular Range; San Jacinto Mtns., south end Marion Ridge Road, Pine Cove, Idyllwild 1829 Comment
  CAS-BOT-BC261787  Eriogonum wrightii var. nodosum P. A. Munz 1936-5-5 14593 Riverside Whitewater Creek, 2mi. north of main highway, northwestern corner of Coachella Valley Comment
  RSA0123177  Eriogonum wrightii var. nodosum Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9066 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  SD48398  Eriogonum wrightii var. nodosum E. K. Balls, P. C. Everett 1957-11-13 22799 Riverside Snow Creek, n. side of valley 701 Comment
  UCR51982  Erioneuron pulchellum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2185 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  CAS-BOT-BC297343  Eriophyllum confertiflorum Cecil Hart 1922-5-21 s.n. Riverside San Jacinto Peak Comment
  OBI16503  Eriophyllum confertiflorum Dieter H. Wilken 1965-6-29 322 Riverside Poppet Flat along County rte 1, San Jacinto Mtns 1372 Comment
  RSA651122  Eriophyllum confertiflorum R. Garner 1974-7-1 s.n. Riverside San Jacinto Mts. Comment
  UCR174616  Eriophyllum confertiflorum Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 341 Riverside Peninsular Ranges; San Jacinto Mtns., just down Mt. Edna Road west off of Calif. Hwy 243 1146 Comment
  UCR110960  Eriophyllum confertiflorum var. confertiflorum George K. Helmkamp 1998-6-27 4088 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  CAS-BOT-BC301797  Eriophyllum multicaule Steve Boyd 1986-4-22 1741 Riverside Temescal Canyon: Benches of Indian Wash just south of Interstate 15 Comment
  JEPS3064  Eriophyllum multicaule C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-4-15 4734 Riverside Gavilan Peak 600 Comment
  POM358077  Eriophyllum multicaule E. Crow 1929-04 337 Riverside N of Alberhill. Comment
  SJSU4316  Eriophyllum wallacei J. W. Tofflemire 1957-4-3 Riverside Bautista Canyon on Bautasta Canyon Rd c. 5 mi E of Hemet Comment
  UCR201456  Erodium cicutarium Scott D. White, Justin M. Wood 2008-5-15 11969 Riverside San Jacinto Mountains, Garner Valley, northwest of Fobes Ranch Road and northeast of Hwy 74, valley bottom 1357 Comment
  UCR213836  Erodium cicutarium Scott D. White, Justin M. Wood 2009-5-21 12850 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 north on Valley Hi Drive, from intersection with Twin Pines Road 1201 Comment
  UCR173930  Erodium macrophyllum A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32566 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR154538  Eryngium aristulatum var. parishii Jason L. Hlebakos 2005-5-18 711 Riverside Santa Rosa Plateau, Mesa de Burro in the research area 602 Comment
  CAS-BOT-BC54340  Erysimum capitatum Steve Boyd; C. Boyd; K. Boyd; R. Noyes; L. Arnseth 1988-5-28 2265 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1700 Comment
  SEINET4326803 Image available Erysimum capitatum Carl B. Wolf 1932-8-4 Riverside Peninsular Ranges: San Jacinto Mtns; Point View near Idyllwild [= Vista Grande?] 1646 Comment
  SD229114  Erysimum capitatum var. capitatum Dick Schwenkmeyer 2012-4-18 698 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  SD51946  Erythranthe floribunda Reid Moran 1962-7-7 9855 Riverside by Strawberry Creek, 2 miles SW of Idyllwild, San Jacinto Mts. 1550 Comment
  JOTR32855  Eschscholzia La Doux, Tasha 2008-1-14 2938 Riverside Joshua Tree National Park. East Cottonwood Mountains, Cottonwood Canyon; sandy wash in side canyon, west of Rte.11, near old road to Coyote Mine 274 Comment
  RSA0022938  Eschscholzia androuxii P. A. Munz, Percy C. Everett 1952-5-2 16244 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  UCD101613  Eschscholzia androuxii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-15 258 B Riverside California. Riverside County: Joshua Tree National Park. 610 Comment
  UCD96504  Eschscholzia androuxii Shannon M. Still; Carolyn Still, Steven Still 2009-3-28 511 Riverside California. Riverside County: Joshua Tree National Park. 623 Comment
  RSA543978  Eschscholzia caespitosa subsp. caespitosa Steve Boyd 1991-5-10 6210 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  RSA785019  Eschscholzia californica Duncan S. Bell 2012-3-18 3190 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  UC69220  Eschscholzia glyptosperma E. E. Schellenger Apr. 1905 Riverside Santa Maria Mts. Colorado Desert Comment
  RSA445669  Eschscholzia minutiflora M. B. Dunkle 1932-3-25 2915 Riverside 10 miles NW of Indio. Colorado Desert. 30 Comment
  RSA550266  Eschscholzia minutiflora Walter Wisura, Michael Wall, John Dolan 1992-3-24 4630 Riverside Low desert: 10 mi NE of Mecca on Box Canyon Rd. Comment
  RSA726533  Eschscholzia minutiflora Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Lelenad Lubinsky 2005-2-10 1443 Riverside Along Palen Road near Hwy 177. 170 Comment
  UC1929974  Eschscholzia minutiflora Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10453 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR167412  Eschscholzia parishii John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UC1449204  Escobaria vivipara var. alversonii Pierre C. Fischer 1968-12-29 4068 Riverside on Eagle Mt. Rd 4 mi n Interstate 10 300 Comment
  UCR132713  Eucalyptus camaldulensis A. C. Sanders, O. F. Clarke 1991-6-10 11123 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  HSC78513  Eucrypta chrysanthemifolia Rodney Hendrick 1965-3-14 Riverside Box Canyon about 8 mi. E of Mecca 183 Comment
  RSA586119  Eucrypta chrysanthemifolia D. L. Banks, S. D. Boyd 1995-4-5 159 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, along the Dripping Springs Trail. 610 Comment
  UCR119265  Eucrypta chrysanthemifolia Mitch Provance 1998-6-10 635 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  UCR231738  Eucrypta chrysanthemifolia John F. Green 2008-4-23 08- 05 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  POM14368  Eucrypta micrantha P. A. Munz, D. D. Keck 1922-4-9 4791 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  POM264073  Eucrypta micrantha E. C. Jaeger 1941-3-23 s.n. Riverside Blythe, Colorado River bluffs. 524 Comment
  RSA776091  Eucrypta micrantha Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 823 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 495 Comment
  UC1714338  Euonymus occidentalis var. parishii Eubank Carson Aug. 1921 Riverside San Jacinto Mts., Dark Canyon Comment
  UCD142540  Euphorbia albomarginata William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR128913  Euphorbia albomarginata A. C. Sanders, Mitch Provance 2001-4-5 23916 Riverside Perris-Aguanga Basin region, Long Canyon, Temecula, between gas pipeline route and 'windmill,' south of BM 1221 366 Comment
  UCR282351  Euphorbia micromera Mitch Provance, Scott Duff 2017-9-7 917- 06 Riverside Colorado Desert, Thousand Palms, SCE corridor, 0.3 miles south of Ramon Substation 59 Comment
  SD227801  Euphorbia nutans Andrew C. Sanders, K. C. Rose 1999-5-28 22792 Riverside Coachella Valley: Between La Quinta and Indio, along Jefferson St. between Ave 54 and I-10. Disturbed roadside at intersection with Ave. 49. 11 Comment
  CLARK-A1528-2708  Euphorbia setiloba John C. Roos 1958-9-28 Riverside San Jacinto Mountains 1219 Comment
  RSA561782  Euphorbia spathulata Steve Boyd 1992-4-14 6846 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  CAS-BOT-BC300509  Euphorbiaceae O. F. Clarke 2004-3-19 s.n. Riverside Peninsular Range: Riverside; UCR Botanical Garden 412 Comment
  CAS-BOT-BC205628  Fagonia laevis James R. Shevock 1986-3-23 11358 Riverside Colorado Desert Region. Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  UCR233184A  Fagonia laevis Jim Andre, Glenn L. Clifton 2011-2-22 17421 Riverside Mecca Hills, along Box Canyon Road, 5.5 mi northeast of town of Mecca 52 Comment
  UCSB22662  Fagonia laevis Shaw, M. 1964-4-5 Riverside Wash along State Highway 195, 2.8 miles west of junction with cut off road to U.S. Highway 70. 457 Comment
  UCSB8693  Fagonia laevis Gunnerson, Robert 1953-3-21 Riverside 9 miles east of Indio Comment
  GMDRC5049  Fagonia pachyacantha J. Andre, G. L. Clifton 2011-2-22 17444 Riverside Mecca Hills: along Box Canyon Rd, 10.3 mi. NE of town of Mecca 219 Comment
  UCR41463  Fagonia pachyacantha A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6136 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  UCR201510  Festuca arundinacea Scott D. White, Justin M. Wood 2008-6-17 12151 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  UCR88739  Festuca microstachys A. C. Sanders 1995-4-13 16508 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  UCR162272  Festuca myuros S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  UCR174097  Festuca myuros A. C. Sanders 2006-5-19 32464 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR48391  Filago arizonica Steve Boyd 1986-5-1 1789 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  RSA272184  Filago californica C. W. Tilforth 1978-4-30 1581 b Riverside Low, rounded hills east of Norco Comment
  RSA612779  Filago californica D. L. Banks, Victor Steinmann 1997-3-13 1423 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  UCR260889  Filago californica A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41428 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  RSA500129  Filago depressa Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3682 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  UCR166299  Filago depressa A. C. Sanders, P. J. MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19675 Riverside Colorado Desert/San Jacinto Mtns, Palm Springs, Indian Avenue at Las Vegas Road, below mouth of Chino Canyon 188 Comment
  SEINET7048190  Filago gallica Steven R. Hill, Andrew C. Sanders 2001-5-4 33699 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  RSA0018452  Frangula californica subsp. cuspidata T. Scott, A. Townesmith, K. M. Meyer 2007-3-15 132 Riverside San Bernardino National Forest. 14.5 mile S on Rt. 243 from US 10, at pulloff next to Soboba Penny Pine Plantation. 1602 Comment
  UCR252193  Fraxinus pennsylvanica subsp. velutina Fred T. Sproul, Julia Groebner 2014-7-21 6006 Riverside Santa Ana River at Norco 176 Comment
  UCR79356  Fritillaria biflora Steve Boyd, T. S. Ross 1992-3-31 6769 Riverside Santa Ana Mtns, Elsinore Peak 1024 Comment
  UCR240766  Fumaria officinalis O. F. Clarke 2004-3-13 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  SBBG119445  Funastrum cynanchoides var. hartwegii A. C. Sanders 2004-5-12 27873 Riverside Walker Cyn at NE foot of Alberhill Mtn, Temescal Crk 378 Comment
  UCR281017  Funastrum cynanchoides var. hartwegii Fred M. Roberts 2016-3-5 7989 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  SD178114  Funastrum heterophyllum A. C. Sanders 2004-5-12 27873 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. On dry slope along road. 377 Comment
  POM184548  Funastrum hirtellum C. L. Hitchcock 1932-4-7 12199 Riverside Corn Springs. Comment
  LA208321  Galium angustifolium Carl Epling; 1932-6-24 Riverside San Jacinto Mountains, near Idlywild Comment
  UCR158137  Galium angustifolium A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30119 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
  CLARK-A1528-7881  Galium angustifolium subsp. angustifolium John C. Roos 1948-5-8 3819 Riverside Whitewater Canyon 548 Comment
  JEPS29515  Galium angustifolium subsp. angustifolium Lauramay T. Dempster 1962-4-17 1890 Riverside about 1 mi below Fish Hatchery; Whitewater Canyon Comment
  JEPS7861  Galium angustifolium subsp. angustifolium Carl V. Meyer 1928-7-30 579 Riverside Saunder's Meadow San Jacinto Mts. 1706 Comment
  POM367635  Galium angustifolium subsp. angustifolium E. A. McGregor 1964-6-10 s.n. Riverside On Highway 74, west of Elsinor. 915 Comment
  UCR107397  Galium angustifolium subsp. angustifolium B. G. Pitzer 1997-3-23 2955 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
  CAS-BOT-BC223051  Galium angustifolium subsp. gracillimum Peter H. Raven; David Verity 1960-6-5 15496 Riverside Salton View, Joshua Tree National Monument Comment
  POM367711  Galium angustifolium subsp. gracillimum H. de Forest, Jack Rempel 1934-4-15 19820 Riverside Taquitz Canyon, south wall 244 Comment
  UCD121590  Galium angustifolium subsp. gracillimum Geoffrey Levin 1975-4-26 482 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. 335 Comment
  UC666413  Galium aparine Annie M. Alexander and Louise Kellogg 1941-5-3 2108 Riverside 13 mi ssw 29 Palms (near the well); Joshua Tree National Monument 1371 Comment
  POM99061  Galium aparine E. C. Jaeger 1926-5-1 s.n. Riverside Joseph Canyon, Santa Ana Mts. Comment
  SDSU13968  Galium nuttallii subsp. nuttallii Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2104 Riverside North end of El Valle meadow. Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  SBBG29186  Galium parishii E. C. Jaeger 1949-7-25 Riverside Virgin Spring, N slope Toro Peak 2377 Comment
  RSA192110  Galium porrigens E. W. Lathrop 1959-4-2 4437 Riverside 18 miles W of Murrieta, Cottonwood Canyon of the Tenaja Range. Comment
  RSA655211  Galium porrigens Scott D. White 1999-7-9 7536 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road S24.2. 1432 Comment
  SBBG118778  Galium porrigens var. porrigens S. D. White 1999-7-9 7536 Riverside near Idyllwild Community Service District sewage ponds at terminus of USFS Rd 5S24.2; T5S R2E boundary of S15/22 1430 Comment
  JOTR35081  Galium stellatum La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3532 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  POM68616  Galium stellatum Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  RSA0030946  Galium stellatum Ivan M. Johnston 1917-4-4 13779 Riverside Palm Canyon. 304 Comment
  UC708732  Galium stellatum var. eremicum H. K. Wagnon 1944-4-30 382 Riverside Tahquitz Canyon Palm Springs (s rim) Comment
  POM147632  Gastridium phleoides F. M. Reed 1926-5-15 5340 Riverside Menifee Valley Comment
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Apr 3 2011
  RSA761322  Gayophytum Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 680 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA719780  Gayophytum decipiens Naomi S. Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1739 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  POM259112  Gayophytum diffusum subsp. parviflorum P. A. Munz 1938-8-14 15361 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  UCSB4350  Gayophytum ramosissimum Kamb, Peter 1948-7-4 Riverside Hall Canyon, San Jacinto Mts 1645 Comment
  POM13019  Geraea canescens P. A. Munz 1922-4-14 4967 Riverside Indian Wells 107 Comment
  POM47485  Geraea canescens Mary F. Spencer 1920-3-11 1482 Riverside In desert sand, Mecca -60 Comment
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Nov 8 2011
  RSA696893  Geraea canescens J. Russell Bruff 1929-12-29 s.n. Riverside Near turn off to Hidden Spring N.E. side of Salton Sea. Comment
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Apr 17 2011
  UC61547  Geraea canescens Miss Mary McKibben 1904-5-1 Riverside Mecca Comment
  UCR263242  Gilia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41477 Riverside San Gorgonio Pass, 3.3 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 445 Comment
  POM280086  Gilia angelensis Lyman Benson 1932-3-26 3173 Riverside Temecula Valley. 548 Comment
  POM74446  Gilia angelensis Marcus E. Jones 1882-4-25 s.n. Riverside San Jacinto Comment
  UCR261418  Gilia angelensis A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41429 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UCR6144  Gilia angelensis C. M. Bringle, H. Johnston 1967-4-22 5 Riverside Jurupa, [Pedley Hills] at end of Sedona Drive off Jurupa Road, west of Mission Blvd. Hillside with red water storage tank. 'el. 800 ft.' 305 Comment
  UCR133440  Gilia capitata Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 201 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  UCR16729  Gilia capitata J. N. Bullock 1970-5-18 P 33 Riverside Fifty meters east of Maitri Rd at a spot 200 m south of the junction of Maitri Rd and Calif. Hwy 71. 341 Comment
  JEPS122472  Gilia capitata subsp. abrotanifolia J. M. Andre 2012-6-15 30535 Riverside San Jacinto Mountains; along Highway 243, 10.7 miles south of Interstate 10 (Banning), San Bernardino National Forest. Lake Fulmor 7.5' Q. Comment
  RSA86579  Gilia clivorum Verne Grant 1954-4-16 19593 Riverside On flood plain of Temecula Creek just S. of town of Temecula. 305 Comment
  SD7671  Gilia diegensis 1882-5-3 Riverside Temecula Comment
  SBBG64485  Gilia inconspicua var. sinuata Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Mtns [probably near Idyllwild] Comment
  JEPS26556  Gilia maculata Peter Kamb 1948-4-11 888 Riverside Aqueduct Road 5 mi e Garnet (Coachella Valley); , e of Garnet 304 Comment
  CAS-BOT-BC407612  Gilia ochroleuca subsp. exilis Robert F. Thorne; F. R. Fosberg; M. Sachetti 1983-4-23 55471 Riverside San Bernardino Mts: Side-canyon on W side of Whitewater canyon, ca 3.3 mi N of Whitewater Post Office 624 Comment
  RSA0096811  Gilia ochroleuca subsp. exilis Duncan S. Bell, Andrew Chambers 2015-3-12 7787 Riverside San Gorgonio Wilderness area; Whitewater River; about 1.5 air miles northwest of Red Dome. 917 Comment
  UC880040  Gilia ochroleuca subsp. exilis Mary F. Spencer 1922-4-23 2053 Riverside Banning Maillard Canyon <?> Banning (Millard Canyon) 731 Comment
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Mar 13 2011
  UCR108864  Gilia ochroleuca subsp. exilis Heidi A. Haid 1968-5-8 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  RSA779590  Gilia scopulorum Duncan S. Bell 2009-3-7 22 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  RSA172282  Gilia stellata R. F. Thorne 1963-3-29 32396 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  RSA469747  Gilia stellata Rockwell 1926-5-1 s.n. Riverside Colorado Desert Comment
  RSA767450  Gilia stellata J. Andre, T. La Doux 2009-3-10 11253 Riverside Joshua Tree National Park: south end of the Cottonwood Mountains near Pinkham Wash just north of aqueduct just inside National Park boundary, approx. 7 miles west of south entrance into park at Cottonwood. 542 Comment
  UCR193739  Githopsis diffusa subsp. candida A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35653 Riverside Peninsular Range; San Jacinto Mtns., May Valley, slopes west of Herkey Creek and north of Bonita Vista Rd., SSW of Fleming Ranch 1524 Comment
  RSA395909  Githopsis diffusa subsp. diffusa Steve Boyd 1986-4-22 1771 Riverside Temescal canyon: Terrace escarpment E side of Indian Wash, S of I-15. Comment
  UC39037  Glyceria elata H. M. Hall Jul 1901 2457 Riverside Tauquitz Valley; San Jacinto Mountains 2133 Comment
  UC489087  Glyceria elata C. V. Meyer 1928-7-24 519 Riverside Idyllwild Falls; San Jacinto Mts. 1889 Comment
  RSA91958  Glyceria striata F. W. Peirson 1924-7-27 4985 Riverside Along creek in Dark Canyon, 1829 Comment
  SD144464  Glycyrrhiza lepidota G. Ballmer 1996-5-19 Riverside E of Murrieta: near margin of Warm Springs Creek, adjacent to Hwy I-15 right-of-way 366 Comment
  RSA660537  Gnaphalium californicum Orlando Mistretta 1992-6-10 518 Riverside Cleveland National Forest: Along old road coming off 3504 W of San Gabriel Mountains: Northeast slope Mt. San Antonio. Headwaters of west fork of north fork Lytle Creek. Sierra Peak. [Telegraph Peak quad?] Head of road. Comment
  UCR41395  Gnaphalium luteoalbum N. M. Fellows, A. C. Sanders 1985-5-7 182 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
  RSA564288  Gnaphalium palustre Ed LaRue 1993-5-10 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side of Hwy 215 457 Comment
  RSA776088  Guillenia lasiophylla Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 820 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  RSA736547  Gutierrezia californica Scott D. White, Angelia Carey 2004-7-2 10586 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR114845  Gutierrezia californica Mitch Provance 1998-2-17 59 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  UCR117338  Gutierrezia californica Mitch Provance 1998-3-22 253 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
  UCR176171  Gutierrezia californica John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  UCR203959  Gutierrezia californica Michael Wall 2008-10-3 491 Riverside Perris-Aguanga Basin, Bautista Creek, east of Hemet off Bautista Canyon Road c. 7 mi east of the junction with Fairview Ave. 758 Comment
  UCSB45959  Gutierrezia californica Roos, John 1965-9-26 Riverside Near Palms Springs station Comment
  UCD132603  Gutierrezia sarothrae K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  UCSB24494  Gutierrezia sarothrae McMinn, Howard 1935-6-23 Riverside About 1/2 mile south of Elsinore Comment
  CAS-BOT-BC231096  Harpagonella palmeri Steve Boyd; Laurel Arnseth; Jaime Bonilla 1990-4-3 4060 Riverside Vail Lake area, summit of 'Big' Oak Mountain at E end 792 Comment
  RSA0066632  Harpagonella palmeri Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4008 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UC1979566  Harpagonella palmeri Darin L. Banks, Steve Boyd 1995-5-9 398 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  RSA0066613  Harpagonella palmeri F. W. Peirson 1922-5-19 3029 Riverside 2.5 miles NE of Murrieta on the road to Perris. Comment
  CAS-BOT-BC309385  Helenium puberulum Mitch Provance 1998-6-20 705 Riverside Jurupa Mountains: Glen Avon Heights, on the N side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UCR36727  Helenium puberulum Karen Kirtland, R. Dolan 1984-9-21 s.n. Riverside Lakeview Mtns, Reinhardt Canyon in the Lakeview Mountains NW of Hemet. Maze Stone Village property. 518 Comment
  UCR155330  Helianthemum scoparium A. C. Sanders, Mike Misenhelter 2005-3-23 29272 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA651097  Helianthus annuus W. H. Grady 1948-2-24 s.n. Riverside Found 7 mi. west of Riverside. 243 Comment
  UCR16101  Heliotropium curassavicum S. Nelson 1974-5-18 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, four mi. west of Murrieta on Tenaja Rd. 610 Comment
  POM158467  Hemizonia kelloggii P. A. Munz 1927-5-20 10794 Riverside Murrieta Hot Springs. Comment
  UCR116670  Hemizonia kelloggii A. C. Sanders, Carolyn Washburn 2001-5-10 24242 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  UCR268588  Hemizonia kelloggii Jim Andre 2012-6-15 30542 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  UCR194232  Hemizonia mohavensis Scott D. White, J. Wood 2006-9-13 11643 Riverside Perris Basin/San Jacinto Mtn Foothills, Gibbel Flat in the Santa Rosa Hills 671 Comment
  RSA544391  Hemizonia paniculata Steve Boyd 1991-5-30 6319 Riverside Winchester Valley, SE end of Double Butte, just N of Winchester, 1/2 mile W of Highway 79 457 Comment
  UCR133945  Hemizonia paniculata John F. Green 2003-8-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, south side of Wendy Lane off Calle De Suenos, south of Avenida La Cresta and Avenida Castilla 701 Comment
  UCR231766  Hemizonia paniculata John F. Green 2008-4-23 09- 04 Riverside Peninsular Range; SE Gavilan Hills, powerline route in hills SE of Perris, east of Hwy 74 and north and NE of Eugene St., both sides of Theda St. 503 Comment
  CLARK-A1528-240  Hemizonia pungens Ruth Cooper 1941-6-8 77 K Riverside Menifee Valley Comment
  UCR166800  Hemizonia pungens subsp. laevis R. E. Riefner Jr. 2004-8-27 04- 397 Riverside N of La Sierra Heights; NE (c. 1 mi) off Arlington Avenue, along dirt access road to Hidden Valley Wildlife Reserve 207 Comment
  UCR189808  Hemizonia pungens subsp. laevis Theresa Johnson 2006-6-1 142 Riverside Peninsular Range, San Jacinto Wildlife Area. South of main entrance road to San Jacinto Wildlife Area. Located parallel to dirt road c. 500 m west of Davis Road along dry alkali flats 433 Comment
  UCR66976  Hemizonia pungens subsp. laevis D. E. Bramlet, D. Bradney 1990-6-14 1925 Riverside Auld Valley, in field at N edge of intersection of Washington and Auld Rd., c. 1160 m west of the Skinner Reservoir dam, just north of Tucalota Creek. 465 Comment
  RSA377052  Hesperocallis undulata Geo Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  UC843918  Hesperocallis undulata Mrs. Bradley 1922-4-10 Riverside near Mecca Comment
  SBBG120598  Hesperolinon micranthum A. C. Sanders 2006-5-19 32389 Riverside hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd 518 Comment
  OBI8316  Heterotheca grandiflora David J. Keil, Malcolm McLeod 1977-3-26 12008 -2 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 Comment
  SDSU13566  Heterotheca grandiflora W. Miller with C. Mosse 1972-7-13 Riverside West of M.W.D. Station. Comment
  RSA479911  Heterotheca sessiliflora subsp. echioides Steve Boyd 1987-9-27 2090 Riverside Peninsular Range Temescal Canyon south of Corona; area between confluence of Indian and Horsethief washes and Temescal Creek. 366 Comment
  LA208988  Heuchera caespitosa M. Hilend; 1928-8-7 Riverside Summit- San Jacinto Peak Comment
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May 22 2018
  SEINET156046  Hibiscus denudatus Norman C. Cooper 1944-4-8 1072 Riverside Andreas Canyon. 305 Comment
  VVC693  Hibiscus denudatus P. J. MacKay, T. Thomas 1997-2-8 102 Riverside Colorado Desert, Palm Springs; vacant lot on Bogart Trail (street). 169 Comment
  UC489128  Hieracium horridum C. V. Meyer 1928-7-31 610 Riverside Tahquitz Peak San Jacinto Mts., Tahquitz Peak 2682 Comment
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Aug 3 2008
  CAS-BOT-BC207514  Hoffmannseggia glauca H. M. Hall 1905-4-20 5829 Riverside Colorado Desert, Coachella 20 Comment
  CSUSB1228  Hoffmannseggia microphylla Rodney Hendrick 1965-3-14 Riverside In sandy area, dry wash, Box Canyon about 8 miles east of Mecca 182-274 Comment
  JEPS121511  Hoffmannseggia microphylla Adam C. Schneider with Will Freyman 2014-2-16 356 Riverside Bottom of Box Canyon Road Comment
  SD83584  Hoffmannseggia microphylla R. Mitchel Beauchamp 1970-11-15 1389 Riverside Dry desert wash 7 miles east of Mecca 89 Comment
  CAS-BOT-BC285037  Hordeum depressum A. C. Sanders 1993-4-5 13697 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74) 460 Comment
  UCR211715  Hordeum depressum Fred M. Roberts, Melissa Riedel-Lehrke 2006-4-18 6319 Riverside Perris Basin, San Jacinto Valley, west of Hemet, along west side of Warren Road, 0.1 km north-northwest of the junction of Warren Road and Esplenade Road, 1.5 km north-northwest of the summit of Tres Cerritos Hills 453 Comment
  UCR266330  Hordeum intercedens D. E. Bramlet 1991-4-29 2080 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 6.5 km west of Hemet & c. 0.4 km west of intersection of Florida Ave./Hwy 74 & Warren Road 457 Comment
  CAS-BOT-BC520379  Hordeum murinum Steve Boyd; Carol Boyd 2011-3-15 12304 Riverside Peninsular Ranges, Santa Rosa Mountains region: western base of Eisenhower Mtn, SE of The LIving Desert at mouth of Deep Canyon 365 Comment
  UCR226065  Hordeum murinum A. C. Sanders, T. B. Salvato 2011-4-1 38968 Riverside Peninsular Range, Lake Elsinore, hilltop 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 401 Comment
  UCR41304  Hordeum murinum N. M. Fellows 1985-3-16 119 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mile west of Snow Creek Village 489 Comment
  SBBG119362  Horkelia clevelandii O. Mistretta, M. Elvin 1995-6-19 1772 Riverside San Jacinto Mtns 1463 Comment
  LA207995  Horkelia clevelandii var. clevelandii W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  SD229153  Hosackia crassifolia var. crassifolia Dick Schwenkmeyer 2012-8-27 802 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1887 Comment
  SBBG68139  Hosackia oblongifolia var. oblongifolia R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1828 Comment
  SEINET5327479  Hosackia oblongifolia var. oblongifolia I. W. Clokey, E. G. Anderson 1935-8-21 6722 Riverside Fuller's Creek, San jacinto Mts. 1500 Comment
  CLARK-A1528-4948  Hulsea heterochroma John C. Roos 1942-6-20 1274 Riverside San Jacinto Mountains Comment
  JEPS34899  Hulsea vestita subsp. callicarpha Marjorie D. Clary 1932-7-3 1207 Riverside from Hemet Lake to Hurkey Creek; Hemet Valley, Thomas Valley 1371 Comment
  UCR213685  Hulsea vestita subsp. callicarpha Justin M. Wood 2009-5-11 682 Riverside San Jacinto Mountains, Morris Ranch Rd., roadside just E of Tripp Meadow 1646 Comment
  UCR40562  Hydrocotyle ranunculoides Steve Boyd 1985-8-7 1107 Riverside Santa Ana Mtns., Santa Rosa Plateau, Santa Rosa Plateau, NW base of Redonda Mesa on Tenaja Road, 0.8 mi east of the junction w/ 8S01 & 8S02 671 Comment
  POM361062  Hymenoclea salsola L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain on gravelly hillside Colorado River. Comment
  RSA777630  Hymenoclea salsola Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi Fraga 2011-3-17 767 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UCR109543  Hymenoclea salsola R. D. Goeden, Don W. Ricker 1971-4-1 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 1.5 mi. west of Corn Spring in wash on canyon bottom 600 Comment
  POM7077  Hypericum androsaemum P. A. Munz, L. F. Street 1919-5-7 2737 Riverside Mouth of Tahquitz Canyon. Comment
  RSA704878  Hypericum androsaemum J. B. B 1934-6-13 551 Riverside Idyllwild. Comment
  CAS-BOT-BC219732  Hyptis emoryi Peter H. Raven 1958-1-24 11444 Riverside Fargo Canyon Comment
  OBI13685  Hyptis emoryi Robert F. Hoover 1966-10-15 10164 Riverside Dead Indian Cyn Comment
  POM69497  Hyptis emoryi George B. Grant 1906-5-1 776 -6610 Riverside On Colorado Desert at Palm Springs. Comment
  RSA420149  Hyptis emoryi Jack Rempel 1932-11-13 s.n. Riverside 10 miles up Palm Wash. Colorado Desert. Comment
  RSA420155  Hyptis emoryi Ora M. Clark 1929-3-17 1727 Riverside Palm Springs. Comment
  UCD166271  Hyptis emoryi Jack Major 1962-4-17 786 Riverside On CA HWY 74 from Pinyon Flat to Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 435 Comment
  RSA366806  Iris hartwegii subsp. australis Robert L. Rutherford 1945-5-24 1658 Riverside Big Oaks Canyon, Banning. 1220 Comment
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Oct 19 2010
  CAS-BOT-BC311612  Isocoma acradenia var. eremophila H. S. Gentry 1936-11-1 2961 Riverside W side of Colorado Desert 152 Comment
  SEINET1908668  Isocoma menziesii A. C. Sanders, D. L. Sanders 2008-1 36101 Riverside San Bernardino Valley Region: Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c, 1 mile NEW of River Rd. bridge (Cornona North 7.5') Comment
  UCR241786  Iva axillaris A. C. Sanders, Timothy W. Chumley 2013-4-1 40724 Riverside Peninsular Range; Elsinore Valley, Hwy 74 at Collier, large vacant parcel at SE corner of intersection, NE edge of Lake Elsinore, between Riverside Dr. (Hwy 74) and Enterprise Way 385 Comment
  UCR189782  Juglans californica var. californica Theresa Johnson 2007-10-24 403 Riverside Peninsular Ranges, Perris-Aguanga basin, Badlands, just north of Highland Blvd Comment
  RSA790106  Juglans hindsii R. E. Riefner Jr. 2011-9-10 11 -126 Riverside Santa Ana Canyon, end of Green River Rd. near entrance to Green River Golf Course. 125 Comment
  RSA776931  Juncus acutus subsp. leopoldii Amber Swanson, Duncan S. Bell 2011-3-11 214 Riverside On Willis Trail, Willis Palm Oasis near spring off Thousand Palms Rd in the Coachella Valley Preserve. 104 Comment
  UCR111568  Juncus balticus Mitch Provance 1999-5-4 1687 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR158861  Juncus balticus Scott D. White 1994-6-14 2058 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR80816  Juncus balticus Scott D. White 1993-5-29 1484 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  CDA32302  Juncus bufonius D. Domenigoni 2000-3-28 PDR 1243980 Riverside Southern California; West Coast Turf, Winchester Rd. Winchester, CA. 0 Comment
  UC1601697  Juncus bufonius H. M. Hall Jun 1901 2076 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1402 Comment
  UCR155042  Juncus bufonius A. C. Sanders, Kelly Volansky 2005-3-17 29224 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR156285  Juncus bufonius T. B. Salvato, Kent Beaman 2005-5-16 829 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR201684  Juncus bufonius var. occidentalis Scott D. White, Justin M. Wood 2008-5-15 11993 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  UCR9555  Juncus dubius Bonner Blong 1966-1 s.n. Riverside Santa Rosa Mtns., Tahquitz Spring, Martinez Canyon. 793 Comment
  UCR24957  Juncus macrandrus A. C. Sanders 1980-8-21 1784 Riverside San Jacinto Mountains, Mt. San Jacinto Wilderness Area. east of Saddle Junction at the head of Tahquitz Creek, c. 2 mi NE of Idyllwild 2409 Comment
  UC2572  Juncus macrophyllus H. M. Hall 1901-7-20 2522 Riverside vicinity of Strawberry Valley San Jacinto Mountains (along water courses) 1615 Comment
  UCR151037  Juncus macrophyllus Scott D. White 1998-7-31 6952 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  RSA502194  Juncus mexicanus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3702 Riverside Vail Lake area: Wilson Creek at E end of lake. Comment
  UCR35289  Juncus oxymeris L. B. Ziegler 1972-6-28 488 Riverside San Jacinto Mtns., Penrod Canyon (a tributary of the S Fork of the San Jacinto River) --upper Hemet (Garner) Valley. 1570 Comment
  UCR95422  Juncus oxymeris C. W. Tilforth, W. Wisura 1981-7-10 2114 Riverside Stanley Road, S leg of Red Mtn loop, east of Hwy R3, south of Hemet Comment
  VVC2001  Juncus oxymeris Tim Thomas, A. C. Sanders 2008-8-1 4558 Riverside Western San Jacinto Mtns., Cottonwood Ck, above Idylwild. 1402 Comment
  RSA289846  Juncus rugulosus B. A. Prigge 1980-9-17 4062 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio. -3 Comment
  UCR156462  Juncus sphaerocarpus T. B. Salvato, A. C. Sanders 2005-5-17 900 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
  RSA708218  Juncus xiphioides Scott D. White, Angelia Carey 2004-5-7 10330 Riverside Indian Creek and adjacent foothills. 549 Comment
  SEINET10879492  Juncus xiphioides J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12833 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  CAS-BOT-BC168229  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, ca. 0.8-0.5 mi NE of Black Hills 854 Comment
  RSA38405  Juniperus californica Philip A. Munz 1946-10-21 11593 Riverside Live Oak Tank, Joshua Tree National Monument. 1220 Comment
  RSA479917  Juniperus californica Steve Boyd 1985-12-14 1192 Riverside Gavilan Hills, Harford Springs County Park. Comment
  UCSB16168  Juniperus californica Field, Larry 1963-5-5 Riverside Piñon Flats Campground, 16.3 mi. SW of Palm Desert State Highway 74 Comment
  JOTR32321  Justicia californica Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  RSA778143  Justicia californica Jim Andre 2011-2-2 16217 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  UC1007183  Justicia californica Philip A. Munz 1940-3-24 15692 Riverside 3 mi. s. Cottonwood Springs; Eagle Mts. 457 Comment
  UCR226787  Justicia californica Jim Andre 2011-2-9 15901 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  RSA780238  Kallstroemia californica Stephanie Rockwood, Christi Gabriel 2011-10-12 95 Riverside Rice Valley. Highway 62 to to Blythe Rice Road. About 1 mile from highway. 229 Comment
  POM229522  Keckiella antirrhinoides Philip A. Munz 1937-5-29 15149 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  SD187479  Keckiella antirrhinoides Scott D. White, Angelia Carey 2004-4-16 10158 Riverside San Jacinto Mountain Foothills, Indian Creek 548 Comment
  SDSU13573  Keckiella antirrhinoides var. antirrhinoides W. Miller, C. Mosse 1972-7-20 Riverside North border 50 yards uproad from Eucalyptus groves. Comment
  UC489080  Keckiella rothrockii var. jacintensis C. V. Meyer 1928-7-27 Riverside Round Valley; San Jacinto Mt. 2773 Comment
  UCR24950  Koeleria macrantha A. C. Sanders 1980-7-18 1649 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  SD21520  Krameria bicolor Frank F. Gander 1938-5-21 5762 Riverside Shaver's Summit 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
  SD260062  Krameria bicolor J. Andre 2012-4-11 20790 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. Interface of steep rocky (granitic) hills and large wash. 729 Comment
  JOTR30063  Krameria erecta La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1694 Riverside Joshua Tree National Park. Stop #2 = Near Geology Tour rd., N of Malapai Hill 1286 Comment
  JOTR31218  Krameria erecta La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2002 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 1) sparsely vegetated desert pavements below sand ramps 335 Comment
  CSUSB1161  Krameria grayi A. R. Gillogly 1966-5-7 Riverside One mile north of elementary school, 0.5 mile west on dirt road; Joshua Tree. 853 Comment
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Apr 21 2013
  RSA0119996  Krameria grayi Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9087 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  SEINET269272  Krameria grayi Bern Schwen 1994-5-18 Riverside Joshua Tree National Monument ; Eagle Mountains (west side) along road between Cottonwood Spring Campground and Conejo Well 1055 Comment
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Sep 7 2013
  UCR41369  Krameria grayi N. M. Fellows, A. C. Sanders 1985-5-7 167 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
  CSUSB1164  Krameria parvifolia Wayne White 1975-5-17 Riverside Chuckwalla Mountains On Red Cloud Road, off Highway I-10, Chuckwalla Mountains. Colorado Desert. 484 Comment
  UCR99856  Lamium amplexicaule Scott D. White 1993-3-3 1101 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  UCSB5128  Langloisia setosissima subsp. setosissima Haller, John 1960-4-2 Riverside North base of Orocopia Mtns., 1.3 miles south of the junc. of U.S. 60-70 and the south entrance road to Joshua Tree Natl. Mon. 487 Comment
  POM2798  Larrea tridentata Marjorie Shaw 1916-03 s.n. Riverside Palm Springs. Comment
  RSA390031  Larrea tridentata L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain on gravelly hillside Colorado River. Comment
  RSA681035  Larrea tridentata Scott D. White, Michael Honer 2003-5-14 9269 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UC867924  Larrea tridentata Lewis S. Rose 1936-12-18 36786 Riverside Palm Springs 138 Comment
  UCR256338  Larrea tridentata Duncan S. Bell 2012-2-12 3115 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  CLARK-A1045-288  Lasthenia coronaria George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains along San Jacinto Ridge Road at Oak Spring turnoff; chaparral; ; Lake Fulmor 7.5'Q 914 Comment
  RSA608200  Lasthenia coronaria R. S. Woglum 1938-5-1 1609 Riverside Peninsular Ranges: South of Hemet; San Jacinto Valley west of San Jacinto Mountains. Comment
  UC55102  Lasthenia coronaria H. M. Hall 1903-4-1 3787 Riverside vicinity of Riverside 396 Comment
  UCR103487  Lasthenia coronaria D. E. Bramlet 1992-4-23 2239 Riverside Peninsular Range, Perris-Aguanga Basin Region, Double Butte Park, in bowl area between the Double Buttes, c. 610 m north of the edge of the old landfill, and 107 m east of the existing (eastern) access road 500 Comment
  RSA552711  Lasthenia gracilis Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-25 6680 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  SBBG103913  Lasthenia gracilis S. D. White 1993-4-20 1215 Riverside SE of Estelle Pk, Gavilan Hills 792 Comment
  UCR167083  Lasthenia gracilis Scott D. White 2005-3-29 10834 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  RSA736550  Lathyrus laetiflorus Scott D. White, Angelia Carey 2004-7-2 10583 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR112395  Layia platyglossa A. C. Sanders, K. C. Rose 1998-5-21 21856 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  SD114841  Lemna gibba Wayne P. Armstrong 1983-10-8 1170 Riverside Santa Ana River, east of bridge where Highway 31 crosses river (north of Norco). 206 Comment
  RSA180477  Lemna minuta E. W. Lathrop 1960-6-9 4989 Riverside 14 miles west of Murrieta. Comment
  RSA563913  Lepidium dictyotum var. acutidens A. C. Sanders 1993-4-5 13683 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74). 460 Comment
  CAS-BOT-BC89438  Lepidium fremontii Ynez Whilton Winblad 1937-3-21 s.n. Riverside Coachella Valley. Comment
  JEPS53617  Lepidium fremontii E. E. Schellenger May 1920 Riverside s. Mecca (Chuckwalla Mts.); Colorado Desert, Chuckwalla Mts. Comment
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Sep 8 2011
  POM93924  Lepidium fremontii Marcus E. Jones 1926-2-16 16 Riverside Near Shaver s Well, near Mecca, Colorado Desert. Comment
  CLARK-A1528-2325  Lepidium lasiocarpum John C. Roos 1948-5-15 3841 Riverside Eagle Mountains Comment
  RSA776333  Lepidium lasiocarpum Duncan S. Bell, Amanda Turek 2010-4-10 822 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  CAS-BOT-BC89668  Lepidium lasiocarpum subsp. lasiocarpum E. E. Schellenger 1920-5-1 s.n. Riverside Colorado Desert. East of Mecca Comment
  UCR93064  Lepidium latifolium A. C. Sanders 1994-7-26 15148 Riverside Santa Ana River at the Mission Blvd/7th street Bridge, W foot of Mt. Rubidoux 240 Comment
  UCR75540  Lepidium latipes A. C. Sanders 1993-5-12 14000 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  POM184173  Lepidium nitidum P. A. Munz 1932-3-24 12014 Riverside Corona 366 Comment
  UC10656  Lepidium nitidum W. H. Brewer Jan 1861 152 Riverside Temescal Mountains Comment
  POM48736  Lepidium virginicum var. pubescens P. A. Munz, I. M. Johnston 1924-7-29 8819 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1524 Comment
  CAS-BOT-BC329445  Lepidospartum squamatum Carl B. Wolf 1932-10-12 4298 Riverside In canyon at Pinyon Wells, Little San Bernardino Mts. (Conchilla Mts.). 1219 Comment
  HSC82843  Leptochloa panicea subsp. brachiata A. C. Sanders 1985-8-24 5947 Riverside In the lower Coachella Valley, near Oasis, 0.4 mi. E of Hwy. 195, along the S side of drain flowing towards the Salton Sea. Comment
  CDA32436  Leptochloa uninervia G. D. Barbe 1973-10-19 1733 b Riverside Cotton field, southeast corner of Van Buren and Road 62, west of Thermal 0 Comment
  CLARK-A1528-726  Leptodactylon californicum Fred B. Essig 1964-4-25 28 Riverside Horsethief Canyon Comment
  RSA752545  Leptodactylon californicum Justin M. Wood 2009-3-10 351 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  POM263081  Leptosiphon androsaceus J. C. Roos 1941-4-19 167 Riverside Reche Canyon - Plateau [Label indicates San Bernardino Co.] Comment
  UC279681  Lesquerella tenella Edmund C. Jaeger 1926-2-28 Riverside Canyon Springs Wash near Salton Station (Colorado Desert); , Canyon Springs Wash 30 Comment
  CAS-BOT-BC339368  Lessingia glandulifera var. glandulifera H. M. Hall 1901-8-1 2626 Riverside San Jacinto Mountains. Strawberry Valley 1615 Comment
  SBBG94651  Lessingia glandulifera var. glandulifera S. D. White 1990-10-8 Riverside Vail Lake area, Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  UCR18401  Lessingia glandulifera var. glandulifera A. C. Sanders 1978-9-3 0145 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  CAS-BOT-BC451633  Lilaea scilloides Robert F. Thorne 1974-5-23 44677 Riverside Santa Rosa Plateau, Rancho California: at N base of Mesa de Colorado 609 Comment
  RSA377162  Lilium parryi M. B. Dunkle 1933-7-20 3708 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCR217562  Limnanthes gracilis subsp. parishii Jeff B. Galvin 2009-4-2 82 Riverside Peninsular Ranges, foothills of the Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, east of the large vernal pool 607 Comment
  JOTR32961  Linanthus bigelovii La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2712 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  RSA705181  Linanthus bigelovii J. Mark Porter, Sarah J. De Groot 2005-3-9 14258 Riverside Along Whitewater Canyon Road, ca. 3 mi N of the intersection with the frontage road of I 10, W of the road on a steep, rocky slope, W of the river. 575 Comment
  UC218248  Linanthus dianthiflorus P. A. Munz and I. M. Johnston 1922-5-20 5443 Riverside Hemet Valley San Jacinto Mts. 1386 Comment
  UCR48401  Linanthus dianthiflorus Steve Boyd 1986-5-1 1801 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  RSA85447  Linanthus dianthiflorus subsp. dianthiflorus J. C. Roos 1952-4-13 5529 Riverside Box Springs Mts. 488 Comment
  POM126309  Linanthus jonesii R. Craig 1927-4-2 38 Riverside Canyon near hidden spring. Comment
  RSA774311  Linanthus jonesii Duncan S. Bell, The Desert Survivors Organization 2011-4-8 2190 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  UCSB32922  Linanthus jonesii Patterson, R. 1978-4-29 Riverside North end of Aqueduct Rd, N of Dillon Rd., near North Palm Springs 500 Comment
  JEPS58457  Linanthus lemmonii W. L. Jepson 1901-5-20 1324 Riverside Chalk Hill to Thomas Valley; San Jacinto Mts. 1219 Comment
  UC23671  Linanthus lemmonii Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains 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
  RSA586846  Linaria canadensis D. L. Banks, Steve D. Boyd 1995-5-3 265 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
  UCR158131  Linaria canadensis var. texana A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30101 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
  RSA435722  Linum lewisii N. C. Cooper 1945-5-24 1663 Riverside Big Oaks Canyon, Banning, San Gorgonio Mountains. 1220 Comment
  UCR193292  Lithophragma affine A. C. Sanders, Tim Thomas 2008-6-20 35541 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  CLARK-A1528-360  Lobularia maritima Fred B. Essig 1967-5-18 Riverside Riverside Comment
  RSA674930  Loeflingia squarrosa Scott D. White, Tasha La Doux 2000-4-23 7722 Riverside Perris/San Jacinto Basin: Winchester/Hemet area. Unnamed hills just S of Lakeview Mts. South of Hwy 74 and E of Hwy 79. 473 Comment
  RSA796503  Loeseliastrum matthewsii J. Andre 2012-3-19 21359 Riverside Palen Valley; along Palen Pass Road (dirt), 1.2 miles east of Highway 177. 184 Comment
  JEPS48798  Loeseliastrum schottii Marjorie D. Clary 1932-6-5 927 Riverside w. Colorado Desert, Santa Rosa Mts., Dead Indian Trail Comment
  JEPS69812  Loeseliastrum schottii Dr. L. M. Newlon 1922-4-8 423 Riverside e. Palm Springs (Mt. San Jacinto); Mt. San Jacinto Comment
  POM47233  Loeseliastrum schottii Mary F. Spencer 1920-4-9 1567 Riverside Palm Springs. Comment
  SBBG5940  Loeseliastrum schottii H. and M. Dearing 1937-4-10 1355 Riverside 16 mi N of Indio Comment
  UCR279390  Loeseliastrum schottii A. C. Sanders, Jim Malusa 2017-3-24 42986 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  SD258330  Logfia depressa J. M. Andre, Glenn Clifton, Ron Kelley 2013-3-21 24388 Riverside Grommet; West Riverside Mountains; at base NW corner of corner range where sand ramps run up against granitic bouldery slopes, about 10 mi SW of Vidal Jct, 3 mi south of Grommet RR xing at Hwy 62 363 Comment
  UCR75547  Logfia gallica A. C. Sanders 1993-5-17 14067 Riverside San Jacinto Valley, Hemet, south side Florida Ave (Hwy 74) on east side of California Ave. 460 Comment
  RSA613151  Lomatium dasycarpum D. L. Banks 1997-4-5 1659 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation., Along a tributary of the north fork of Pechanga Creek. 670 Comment
  RSA0029311  Lomatium dissectum var. multifidum John F. Emmel 1992-4-25 1215 Riverside Bautista Canyon road, 0.9-1.0 road mi NW of Tripp Flats Road turnoff (8.5-8.6 road mi SE of national forest boundary on Bautista Canyon road). 1113 Comment
  RSA613645  Lomatium lucidum D. L. Banks, Victor Steinmann 1997-3-13 1474 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
  POM13767  Lomatium vaginatum P. A. Munz 1922-4-29 5094 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  SDSU13328  Lonicera subspicata var. denudata Ryan Jacobson, Jeremy Mass 2000-4-19 11 Riverside On banks of Stone Creek, Santa Margarita Ecological Reserve, along jeep trail going from south-side facility to north-side facility. About 1.5 miles from south-side facility. 183 Comment
  UC1125311  Lonicera subspicata var. denudata R. St. John 1931-1-24 177 Riverside ne Oak Mountain; San Jacinto Quadrangle Comment
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Nov 27 2011
  JEPS55406  Lotus argophyllus Marjorie D. Clary 1932-4-3 1184 Riverside 15 mi sw Indio; Colorado Desert, Deep Canyon 304 Comment
  UC555538  Lotus argophyllus H. L. Mason 1926-4-30 3116 Riverside 1 mi s Temecula; Temecula Canyon Comment
  POM1865  Lotus argophyllus var. argophyllus H. M. Hall 1902-04 2899 Riverside Vicinity of Sage 762 Comment
  JEPS55421  Lotus crassifolius var. crassifolius Carl V. Meyer 1927-6-1 Riverside Saunders Meadow San Jacinto Mt. Comment
  UCR90368  Lotus hamatus Scott D. White 1995-6-30 3429 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  SEINET3696056 Image available Lotus heermannii B. Ertter, J. Strachan 1979-6-26 2988 Riverside Banning-Idyllwild Road at Black Mtn turnoff, San jacinto Mts Comment
  UCR35034  Lotus heermannii L. B. Ziegler 1968-7-17 329 Riverside San Jacinto Mtns, Hemet Valley. On shore of Lake Hemet, c. 50 ft. from waters edge 1357 Comment
  SEINET3694584 Image available Lotus humistratus Annie M. Alexander, Louise Kellogg 1941-5-15 2185 Riverside Eagle Mountains 914 Comment
  UCR120906  Lotus humistratus A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24944 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  RSA406201  Lotus nevadensis var. nevadensis M. B. Dunkle 1933-7-19 3670 Riverside Upper Tahquitz Valley, San Jacinto Mountains. 2409 Comment
  LA37967  Lotus oblongifolius var. oblongifolius Carl Epling; Harlan Lewis 1942-5-2 sn Riverside Mouth of Andreas Canyon, near Palm Springs Comment
  UCR159142  Lotus procumbens A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16218 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  SEINET269458 Image available Lotus procumbens var. procumbens A. C. Sanders, H. Spilman 1993-4-24 13788 Riverside SE end of San Bernardino Mts.: south end of Whitewater Bench east side of the mouth of Whitewater Canyon. 450 Comment
  UCR192721  Lotus purshianus A. C. Sanders, Mike Misenhelter 2008-6-10 35454 Riverside San Bernardino Valley, Glen Avon, San Sevaine Wash south of Hwy 60 and of San Sevaine Way, east of concrete channel 231 Comment
  UCR281011  Lotus purshianus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 20 Riverside Temescal Valley, Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd. 363 Comment
  RSA6200  Lotus rigidus B. D. Stark 1932-6-5 1514 Riverside Palms to Pines Road 1067 Comment
  UC212493  Lotus rigidus Ivan Johnston 1917-4-4 Riverside Palm Canyon Colorado Desert Comment
  RSA406823  Lotus salsuginosus var. salsuginosus M. B. Dunkle 1934-3-18 3862 Riverside Moreno 488 Comment
  RSA676100  Lotus salsuginosus var. salsuginosus Scott D. White 2001-4-3 8270 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCR164935  Lotus scoparius subsp. brevialatus T. B. Salvato, John F. Green 2004-5-27 622 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
  UCR250864  Lotus scoparius subsp. scoparius Dick Newell, Judy Booth 2014-1-12 349 Riverside Peninsular Range; Santa Ana Mtns., South Main Divide Road, Cleveland National Forest, 100 yards west of Decker Caanyon Rd. 874 Comment
  RSA406895  Lotus scoparius var. brevialatus N. C. Cooper 1944-4-8 1058 Riverside Andreas Canyon. 305 Comment
  SEINET212654 Image available Lotus scoparius var. brevialatus Larry C. Higgins 1974-4-12 8477 Riverside 5 miles south of Morongo Valley on highway 62 Comment
  UCR180585  Lotus scoparius var. brevialatus Scott D. White, Angelia Carey 2004-4-5 10005 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR25550  Lotus scoparius var. brevialatus John C. Roos 1941-4-25 163 Riverside Plateau in Reche Canyon Comment
  UCR275359  Lotus scoparius var. brevialatus T. B. Salvato, Melissa Clemons 2005-6-9 1502 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  POM14075  Lotus strigosus P. A. Munz, D. D. Keck 1922-4-14 5000 Riverside East of Whitwater Ranch 213 Comment
  UC68652  Lotus strigosus H. M. Hall Apr 1905 5952 Riverside McCoy Wash Colorado Desert 91 Comment
  UCR225719  Lotus strigosus A. C. Sanders 2011-3-30 38908 Riverside Peninsular Range, city of Lake Elsinore, along north edge of Hwy 74 at and above Trellis Lane 457 Comment
  UCR87660  Lotus strigosus A. C. Sanders 1994-5-29 14564 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  UCR167249  Lotus strigosus var. tomentellus 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
  RSA480075  Lotus tomentellus Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2166 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA508005  Lotus tomentellus Steve Boyd, Carol Boyd, Kyle Boyd, R. Noyes, L. Arnseth 1988-5-28 2303 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA85585  Lotus wrangelianus J. C. Roos 1952-4-9 5478 Riverside Fairmount Park 259 Comment
  POM349946  Lupinus arizonicus L. N. Goodding 1942-2-26 s.n. Riverside Indio region Comment
  RSA550280  Lupinus arizonicus Walter Wisura, John Dolan, Michael Wall 1992-3-24 4616 Riverside Lowdesert: 4.7 mi NE of Mecca on Box Canyon Rd. Comment
  RSA644185  Lupinus arizonicus George K. Helmkamp 1995-3-16 s.n. Riverside Colorado Desert: below rocky slopes of Coxcomb Mtns., W of Rice Rd., 10.3 miles NE of Desert Center. 200 Comment
  SD215531  Lupinus arizonicus W. Wisura, J. Dolan and M. Wall 1992-3-24 4616 Riverside 4.7 miles northeast of Mecca on Box Canyon Road. Comment
  UCR85079  Lupinus arizonicus A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-5-12 16038 Riverside Coachella Valley, Indio, just SW of the Whitewater River Channel at Auto Center Dr. (Hwy 111) -8 Comment
  RSA613859  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 1997-3-5 1334 Riverside Cabazon; 0.5 mi N of I-10 on Millard Rd. 564 Comment
  CLARK-A1528-2819  Lupinus bicolor subsp. microphyllus John C. Roos 1952-4-30 5603 Riverside Edgemont 487 Comment
  UC68638  Lupinus concinnus H. M. Hall May, 1905 6022 Riverside Cottonwood Mts.; Colorado Desert, Cottonwood Mts. 609 Comment
  UCSB3265  Lupinus concinnus Ralph, F. 1959-5-17 Riverside Along roadside of Pines to Palms Hwy. 74; about 17.2 miles north of Pinon Flats Campground; San Jacinto Mtns. 1371 Comment
  RSA314672  Lupinus concinnus subsp. orcuttii Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55497 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA180474  Lupinus concinnus var. concinnus E. W. Lathrop 1960-4-15 4750 Riverside 14 miles west of Murrieta, in low valley pasture in Tenaja Canyon. 609 Comment
  CAS-BOT-BC205386  Lupinus excubitus var. austromontanus Christopher Davidson 1975-6-16 2815 Riverside 3.8 mi N of Alandale Station on road R1 from Idyllwild to Banning 1699 Comment
  RSA33770  Lupinus excubitus var. austromontanus N. C. Cooper 1944-6-17 2006 Riverside San Jacinto Mtns. above Banning. 1220 Comment
  POM2613  Lupinus excubitus var. hallii Philip A. Munz 1918-4-27 2120 Riverside Near Elsinore Comment
  CLARK-A1528-2834  Lupinus formosus John C. Roos 1943-5-23 2664 Riverside Little San Bernardino Mountains 1523 Comment
  RSA430285  Lupinus formosus David B. Dunn, Conrad, Kenney 1973-6-15 20769 Riverside Jct of Hwy 74 and 71, A Gas Station on the SW corner. 1433 Comment
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May 24 2012
  RSA413643  Lupinus formosus var. formosus N. C. Cooper 1945-5-5 2225 Riverside San Gorgonio Mountains above Banning. 915 Comment
  RSA413700  Lupinus hirsutissimus H. de Forest, Freda Detmers 1933-3-25 17157 Riverside Between Banning and Cabazon Comment
  RSA524233  Lupinus hirsutissimus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4027 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR86868  Lupinus hirsutissimus A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16276 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
  SEINET2062671 Image available Lupinus longifolius Norman C. Cooper 1947-4-5 2046 Riverside Los Alamos Canyon, Elsinore. Comment
  JOTR31222  Lupinus shockleyi La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2006 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 3) sand ramps 432 Comment
  SD27999  Lupinus shockleyi Carl B. Wolf 1932-4-29 3121 Riverside 3.0 miles south of Rice on Blythe Road. 213 Comment
  SD227818  Lupinus sparsiflorus Andrew C. Sanders 1994-5-29 14562 Riverside San Bernardino Mountains: lower Millard Canyon, at first stream crossing on FS Road 2S05 850 Comment
  UC284920  Lupinus sparsiflorus P. A. Munz 1923-6-14 7102 Riverside Glen Ivy Trail to Santiago Peak; Santa Ana Mts., 914 Comment
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Apr 1 2013
  UC668375  Lupinus sparsiflorus Annie M. Alexander and Louise Kellogg 1941-4-22 2064 Riverside Morongo Valley Gorge 701 Comment
  UCSB3377  Lupinus sparsiflorus Gill, Robert 1960-3-23 Riverside Snow Canyon, near end of road; San Jacinto Mt. Range; Colorado Desert drainage area 563 Comment
  POM262907  Lupinus sparsiflorus subsp. sparsiflorus J. C. Roos 1937-3-23 434 Riverside Whitewater, Colorado Desert. Comment
  RSA771625  Lupinus truncatus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4999 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
  POM48592  Luzula comosa Mary F. Spencer 1919-7-19 1197 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  JEPS11769  Lycium andersonii W. L. Jepson Oct 22 1912-Nov 7 1912 5240 Riverside Riverside Mts. 45 Comment
  NY138725  Lycium andersonii S. B. Parish 1896-4-4 4132 Riverside Palm Springs, (Agua Caliente) desert base of San Jacinto Mt. 152.4 Comment
  POM184502  Lycium andersonii C. Leo Hitchcock 1932-4-7 12207 Riverside Corn Springs. Comment
  RSA234113  Lycium andersonii Robert F. Thorne, R. Carolin 1967-3-21 41643 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  UCD126592  Lycium andersonii C. L. Hitchcock 1966-3-16 24189 Riverside 5 miles n.e. of Aguanga. Comment
  UC1125126  Lycium torreyi C. Van Fleet 1931-1-22 6 Riverside Wilson Creek San Jacinto Quad. 762 Comment
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Nov 27 2011
  POM10257  Lythrum californicum Unspecified 1903-09 175 Riverside West Riverside bridge Comment
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Apr 7 2011
  UCR117380  Lythrum hyssopifolia A. C. Sanders, T. B. Salvato 2001-5-25 24387 Riverside San Jacinto Valley, west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  UCR280837  Lythrum hyssopifolia T. B. Salvato, Gregg Miller 2005-6-3 1369 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  RSA702050  Machaeranthera asteroides Scott D. White, Angelia Carey 2004-9-16 10764 Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  UCR24940  Madia elegans A. C. Sanders 1980-7-18 1647 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  POM97009  Malacothamnus densiflorus var. densiflorus P. A. Munz 1926-5-2 s.n. Riverside 5 miles NW of Dripping Spring. Comment
  RSA0087582  Malacothamnus fasciculatus Edmund C. Jaeger 1949-7-25 s.n. Riverside North side Santa Rosa Mountain. 1646 Comment
  CAS-BOT-BC332708  Malacothrix Elizabeth McClintock 1958-4-2 s.n. Riverside East side of Salton Sea Comment
  RSA89040  Malacothrix clevelandii J. C. Roos 1950-4-22 4756 Riverside 0.3 mi NE of summit of Reche Canyon 762 Comment
  UC1979538  Malacothrix clevelandii Darin L. Banks, Peter Morrell 1995-5-4 310 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. Comment
  UCR17638  Malacothrix clevelandii Jeanine Derby, O. F. Clarke 1974-5-3 s.n. Riverside Lakeview Comment
  UC54143  Malacothrix coulteri H. M. Hall 1902-4-21 Riverside vicinity Riverside 487 Comment
  CAS-BOT-BC347687  Malacothrix glabrata Javier Penalosa 1963-4-10 2776 Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  CAS-BOT-BC347710  Malacothrix glabrata Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  JOTR32434  Malacothrix glabrata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2278 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  OBI8322  Malacothrix glabrata David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12066 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd 5.5 mi N of Cottonwood campgrounds Comment
  POM6608  Malacothrix glabrata P. A. Munz, L. T. Street, Williams 1919-3-28 2370 Riverside San Gorgonio Pass, near Banning 701 Comment
  UC831116  Malacothrix glabrata C. L. Hitchcock 1940-4-4 5929 Riverside 1.5 mi ne Cottonwood Spring (along 29 Palms Road, Joshua Tree National Monument) Comment
  UCSB6648  Malacothrix glabrata Kamb, Peter 1948-4-11 Riverside Aqueduct Road 5 mi. east of Garnet, Coachella Valley 304 Comment
  RSA220972  Malacothrix saxatilis var. tenuifolia E. W. Lathrop 1966-5-1 62 Riverside 4 mi W of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive 610 Comment
  RSA0048460  Malvastrum rotundifolium A. Lee Haines 1974-4-8 s.n. Riverside North side of Orocopia Mountains. 396 Comment
  OBI37525  Malvella leprosa Steve Boyd 1985-8-7 1120 Riverside Murrieta area, Clinton Kieth Rd, just E of the Bear Crk dev golfcourse Comment
  UC403441  Mammillaria tetrancistra L. J. Childs 1925-1-5 Riverside Deep Creek Canyon Colorado Desert, Santa Rosa Mt. (mouth) Comment
  RSA556485  Marah macrocarpa Julie Greene 1993-3-13 1049 Riverside West of Poleline Rd. 457 Comment
  SEINET7907881  Marah macrocarpa D. A. Johnson 2005-1 Riverside 1 mi E of CA 74, River Rd between Perris & Lake Elsinore 488 Comment
  JOTR37436  Marina parryi Hodges, Stephen R., T. Hender 2015-12-30 558 Riverside Joshua Tree National Park. Pinto Basin, Black Eagle Mine Road (Stop 1) Comment
  RSA643196  Marina parryi James C. Dice, K. Nicol 1998-3-24 980324 1 B Riverside 9 miles (14.4km) N of Desert Center, along State Highway 177. 163 Comment
  UC1287111  Marina parryi C. L. Hitchcock 1966-3-21 24327 Riverside 20 mi sw Blythe; Mule Mts. Comment
  UC1329934  Marina parryi James E. Cole 1941-4-13 563 Riverside 0.5 mi n Meek's Cabin; Joshua Tree national Monument, Pinto Pass Comment
  UCR103587  Marina parryi George K. Helmkamp, E. A. Helmkamp 1998-2-18 2728 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  RSA0034844  Marrubium vulgare Norman C. Cooper 1944-4-22 1112 Riverside Banning. 731 Comment
  UCR155078  Matricaria matricarioides A. C. Sanders, Kelly Volansky 2005-3-17 29228 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  RSA651342  Matthiola incana John Edwin Burns 1948-2-25 s.n. Riverside Riverside. 304 Comment
  OBI37484  Medicago polymorpha Steve Boyd 1985-7-23 1008 Riverside De Luz Rd, 7 mi W of Rancho California 366 Comment
  UCR37678  Medicago sativa George K. Helmkamp 1984-5-2 D- 01 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  RSA522297  Melia azedarach Steve Boyd 1989-7-7 3767 Riverside Upper Temescal Canyon at SE end of Alberhill Mtn. S of I-15 at Nichols Rd. exit. Comment
  RSA0121430  Melica frutescens Duncan S. Bell, LeRoy Gross 2016-3-30 9147 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UCR113150  Melica imperfecta A. C. Sanders 1998-3-11 21682 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  RSA736541  Melilotus indicus Scott D. White 2004-4-26 10262 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  RSA741218  Melilotus indicus Scott D. White, Justin M. Wood 2008-6-16 12112 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  UCR93148  Melilotus indicus G. P. Schultz 1994-4-8 59 Riverside Box Springs Mtns., mouth of Two Trees Canyon ( on the north side of the stream, in an open field) 410 Comment
  RSA535486  Melilotus indicus Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-2 6634 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon Comment
  UC667316  Menodora scabra var. glabrescens Annie M. Alexander and Louise Kellogg 1941-5-21 2208 Riverside n base Eagle Mt.; Eagle Mts. 1158 Comment
  RSA440356  Mentzelia affinis P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Comment
  RSA748288  Mentzelia involucrata Justin M. Wood 2009-3-26 416 Riverside Coachella Valley: Thousand Palms, Under Edison powerlines, near intersection of 30th Ave and Via Las Palmas. 61 Comment
  UC311294  Mentzelia involucrata Philip A. Munz 1926-1-1 10819 Riverside Thousand Palms Comment
  UCR4133  Mentzelia involucrata Ronald M. Cope 1965-3-20 s.n. Riverside Western Colorado Desert/ San Bernardino Mtns., Small canyon on W side of Whitewater Canyon Road c. 2 mi. from trout hatchery. 549 Comment
  UC68741  Mentzelia longiloba H. M. Hall Apr. 1905 5925 Riverside Colorado Desert, McCoy Wash. 91 Comment
  RSA604767  Mentzelia obscura A. C. Sanders, B. Pitzer, D. Charlton, J. Kniffen 1986-3-3 6074 Riverside Corn Spring, Chuckawalla Mtns, wash below the spring and wash and rocky slopes to the south. 488 Comment
  JOTR35485  Mentzelia veatchiana La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3173 Riverside Joshua Tree National Park. Little San Bernardino Mtns, below Lower Covington Flats, W of Smithwater Canyon,(Biodiversity Hunt stop1) 1341 Comment
  RSA543843  Micropus californicus Steve Boyd, Orlando Mistretta 1991-5-22 6302 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA544397  Microseris douglasii subsp. douglasii Steve Boyd 1991-5-30 6324 Riverside Perris Valley, saline soil along San Jacinto River at crossing of I-215, 2 mi E of Perris Comment
  UCR189562  Microseris douglasii subsp. platycarpha Theresa Johnson 2006-5-2 069 Riverside Peninsular Range, Aguanga Basin, north shore Lake Skinner, c. 100m west of road at base of Bachelor Mountain 447 Comment
  UCR240988  Microseris douglasii subsp. platycarpha D. E. Bramlet 2011-4-16 4800 Riverside Perris-Aguanga Basin Region, West Hemet Hills, 1.15 km east of Winchester Road, 460 m north of Stowe Road 467 Comment
  CLARK-A1045-155  Microseris elegans George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool near origin of creek; Wildomar 7.5'Q Comment
  RSA543908  Microseris heterocarpa Steve Boyd, Orlando Mistretta 1991-5-22 6283 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA655093  Microseris heterocarpa Scott D. White 2000-4-17 7655 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  POM10247  Microseris lindleyi Charlotte M. Wilder 1904-4-23 114 Riverside Jurupa Hills near Riverside. Comment
  POM6146  Microseris lindleyi I. M. Johnston 1968-4-27 s.n. Riverside Corona. 274 Comment
  SEINET8732073 Image available Mimetanthe pilosa Peter Kamb 1950-1 1932 Riverside Hall Canyon; San Jacinto Mts. 1646 Comment
  UC943876  Mimulus H. E. McMinn, M. Van Rensselaer 1945-6-7 1892 Riverside Indian Truck Trail Santa Ana Mts. 853 Comment
  RSA420969  Mimulus bigelovii var. bigelovii N. C. Cooper 1949-4-8 3254 Riverside Mecca Pass east of Indio. 549 Comment
  UC410543  Mimulus brevipes Mrs. E. C. Van Dyke July, 1928 Riverside along to desert from Idyllwild Comment
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Sep 3 2011
  UCR20540  Mimulus brevipes W. W. Mayhew 1977-7-5 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1835 Comment
  UCR145962  Mimulus cardinalis June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  CAS-BOT-BC9461  Mimulus diffusus Alice Eastwood; John Thomas Howell 1937-4-24 3913 Riverside Summit of Santa Ana Mts. above Elsinore Comment
  RSA80440  Mimulus fremontii var. fremontii F. W. Peirson 1920-6-22 4723 Riverside Temescal canyon, western Riverside Co. 305 Comment
  LA209402  Mimulus guttatus Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  OBI35634  Mimulus guttatus Norman C. Cooper 1944-5-6 1211 Riverside Whitewater Cyn 457 Comment
  UC886214  Mimulus guttatus Carl B. Wolf 1932-5-25 3673 Riverside 1 mi below, n base of mts. Fish Hatchery; San Jacinto Mts., Snow Creek Canyon 396 Comment
  JEPS10964  Mimulus inodorus Carl V. Meyer 1928-7-3 601 Riverside Tahquitz Valley San Jacinto Mountains Comment
  CSUSB912  Mimulus longiflorus Steve Kulju 1974-4-27 Riverside Box Springs Mountains Box Springs Mountains; dirt road to the radio tower, 4 miles from Pigeon Pass Road. 761 Comment
  UC27000  Mimulus microphyllus H. M. Hall 1901-6-20 2201 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  UCR110986  Mimulus moschatus George K. Helmkamp 1998-6-27 4129 Riverside Santa Rosa Mtns., 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), in vicinity of Santa Rosa Spring. 2232 Comment
  UCR144750  Mimulus parishii Scott D. White, Brian Leatherman 2002-6-10 8780 Riverside San Bernardino Mtns., Whitewater River Canyon, c. 1 mi below trout farm 628 Comment
  CLARK-A1528-3278  Mirabilis californica John C. Roos 1966-4-23 Riverside Comment
  UCR107394  Mirabilis californica B. G. Pitzer 1997-3-23 2949 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
  UCR107707  Mirabilis californica A. C. Sanders 1997-3-1 19745 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  UCR133959  Mirabilis californica Mitch Provance, J. S. Ross 1998-3-27 MOR- 981 Riverside San Bernardino Mtns., Morongo Indian Reservation, road 5501 towards Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 671 Comment
  CAS-BOT-BC434679  Mirabilis laevis var. crassifolia Frank W. Gould 1943-4-17 2120 Riverside 12 miles south of Corona. Comment
  NY43171  Mirabilis multiflora var. pubescens J. B. Walker 1995-5-4 1413 Riverside San Bernardino National Forest, Hwy 74, 3km E of junction with Santa Rosa Mtn Rd 1400 Comment
  RSA80248  Mohavea confertiflora F. W. Peirson 1917-4-1 1102 Riverside Along south edge of Colorado Desert embayment east of Palm Springs, above ''Garden of Eden'. Comment
  RSA180471  Monardella lanceolata var. lanceolata E. W. Lathrop 1960-5-27 5224 Riverside 6 miles west of Murrieta. Comment
  RSA671  Monardella lanceolata var. lanceolata J. T. Howell 1927-8-2 553 Riverside Near Banning. 671 Comment
  POM12918  Monardella linoides subsp. linoides P. A. Munz 1922-6-30 5921 Riverside Santa Rosa 1982 Comment
  LA96076  Monardella nana Elizabeth McClintock; 1940-6-30 18 Riverside near Pine Flats on The Banning-Idyllwild road Comment
  POM11507  Monardella nana P. A. Munz 1922-7-6 s.n. Riverside Between Tahquitz and Round Valley. 2287 Comment
  SEINET4151979 Image available Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-1 076 Riverside Peninsular Range; Santa Rosa Mtns.; road up Santa Rosa Mountain, 0.5 mile beyond canyon where stream crosses road 1944 Comment
  RSA651650  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 62 Riverside Road to Santa Rosa Mountain, 2.6 miles above Pines to Palms Highway. [Hwy 74] Comment
  SEINET10582420  Monardella nana subsp. arida A. Graff 1993-6-24 Graff 58 Riverside San Bernadino National Forest, Santa Rosa Mtn. 1.4 miles down Santa Rosa Mtn. Rd. (USNFS Rd. 7S02) from Santa Rosa Camp, on right roadside, west-facing slope (heading back towards Hwy. 74). T7S,R5E,S29. Locally abundant in sun and shade of Pinus jeffreyi, Quercus chrysolepis, with Eriophyllum confertiflorum, Lonicera subspicta, Phlox austromontana, Galium andrewsii, Eriogonum fasciculatum var. foliosum, Amorpha californica, Bromus sitchensis, Castilleja sp. Comment
  RSA750285  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-10 92 Riverside San Jacinto Mts. Top of Suicide Rock. Comment
  CAS-BOT-BC220422  Monardella robisonii Peter H. Raven; David Verity 1960-6-5 15495 Riverside Jumbo Rock Camp Ground, Joshua Tree National Monument Comment
  CAS-BOT-BC349793  Monoptilon bellioides Carl B. Wolf 1932-4-27 3006 Riverside Colorado Desert. 17 mi. E. of Mecca, on Blythe Road 152 Comment
  CAS-BOT-BC349803  Monoptilon bellioides Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  RSA278963  Monoptilon bellioides B. A. Prigge, L. Martinez 1978-3-23 2410 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  UC672207  Monoptilon bellioides H. L. Mason 1928-3-10 4245 Riverside road from Indio to Palm Springs Comment
  LA105321  Muhlenbergia microsperma John C. Roos; 1946-10-26 3144 Riverside Chuckwalla Mountains, near tanks Comment
  RSA552746  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-25 6678 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  RSA586811  Muhlenbergia microsperma D. L. Banks, Steve Boyd 1995-5-3 249 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  SEINET10389798  Muhlenbergia microsperma A. C. Sanders, Jim Malusa 2015-3-9 41361 Riverside Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  UCR138617  Muhlenbergia microsperma L. C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mountains, Snow Canyon, foot of Mount San Jacinto 579 Comment
  UCR174308  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32651 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  SEINET10599983  Muhlenbergia microsperma Charles L. Hitchcock 1940-4-2 Hitchcock 5915 Riverside In rocks, Cottonwood Spring wash, Joshua Tree National Monument. Comment
  RSA736695  Muhlenbergia rigens Scott D. White 2004-4-26 10255 Riverside Soboba Indian Reservation, Indian Creek Watershed 518 Comment
  SDSU13936  Muilla maritima Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2127 Riverside Santa Margarita Ecological Reserve (SDSU), southeast region, east of El Valle meadow. 671 Comment
  RSA33376  Nama demissa N. C. Cooper 1944-3-25 1036 Riverside Morongo Pass. 457 Comment
  RSA781800  Nama demissa Duncan S. Bell 2010-5-1 880 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  SEINET3091487 Image available Nama demissa Norman C. Cooper 1949-4-8 3299 Riverside Desert Center, Desert Center. Comment
  CLARK-A1528-2984  Nama stenocarpa John C. Roos 1951-10-19 5327 Riverside San Jacinto Valley 457 Comment
  UCD87904  Nassella cernua Fred M. Reed 1906-2-1 877 Riverside Riverside County, Riverside: Tequesquito Arroyo. Comment
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May 1 2011
  CAS-BOT-BC259972  Nassella lepida H. Haid 1968-5-19 s.n. Riverside San Jacinto Mountains: Bautista Canyon, above confluence with Horse Creek 915 Comment
  RSA769773  Navarretia atractyloides Duncan S. Bell, J. D. England 2010-5-17 1006 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. 1045 Comment
  RSA191425  Navarretia hamata subsp. hamata E. W. Lathrop, R. F. Thorne 1967-9-26 6604 Riverside 6 miles NW of Murieta, Riverside Co. Tenaja Road a the pass enterring valley leading to Tenaja Guard stst. Comment
  CLARK-A1528-709  Navarretia intertexta Ruth Cooper 1941-6-8 71 K Riverside Comment
  CAS-BOT-BC233577  Navarretia prostrata Bob Holland 1984-1-1 s.n. Riverside Santa Rosa Plateau Comment
  RSA791482  Nemacladus orientalis J. Andre, T. La Doux, R. B. Kelley 2011-5-4 21089 Riverside Joshua Tree National Park; Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1172 Comment
  POM11738  Nemacladus ramosissimus P. A. Munz, I. M. Johnston 1922-5-18 5320 Riverside 3 miles south of Murrieta. Comment
  UCR133188  Nemacladus ramosissimus Frank C. Vasek 1978-5-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon, c. 4 miles by road SSE of Valle Vista 671 Comment
  RSA0006288  Nemacladus ramosissimus P. A. Munz 1922-5-19 5360 Riverside 5 miles NE of Murietta. 457 Comment
  SEINET10461108  Nemacladus rubescens Raven 1958-3-15 Raven 11833 Riverside Painted Canyon, near Mecca Comment
  JEPS15026  Nemacladus sigmoideus H. M. Hall Jun 1901 2046 Riverside Chalk Hill; San Jacinto Mountains 1524 Comment
  SEINET10460969  Nemacladus sigmoideus Wagnon 1944-5-20 WAGNON 387 Riverside Alluvial fan, Tachevah Canyon, Palm Springs Comment
  RSA180507  Nemophila menziesii E. W. Lathrop 1959-3-26 4373 Riverside 18 miles W of Elsinore, Tenaja Guard Station, Cleveland National Forest Comment
  UC495298  Nemophila menziesii Philip A. Munz 1932-3-24 12023 Riverside n Elsinore; n of Elsinore 304 Comment
  UCR21912  Nemophila menziesii Steve Boyd 1980-5-8 212 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  RSA603102  Nemophila pedunculata R. S. Woglum 1939-4-23 2188 Riverside Peninsular Ranges: Western Slope of the San Jacinto Mountains, Hemet to Anza. Comment
  UC64047  Nemophila spatulata H. M. Hall 1901-7 2406 Riverside in meadows or along creeks of Tamarack Valley, San Jacinto Mountains San Jacinto Mountains, Tamarack Valley 2804 Comment
  UCR270185  Nerium oleander A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42410 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
  RSA589081  Nicotiana glauca D. L. Banks, Steve D. Boyd 1995-10-17 792 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground. Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  UCR91531  Nicotiana glauca Scott D. White 1995-4-5 2714 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  RSA648308  Nicotiana glauca Mark Hotchkiss 1977-4-12 s.n. Riverside La Loma hills. 0.25 mi. N. of Center St. Comment
  RSA25296  Nicotiana obtusifolia C. Leo Hitchcock 1940-3-31 5889 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  SBBG70581  Nicotiana obtusifolia M. N. Ackley 1927-3-13 969 Riverside Coral Reef Ranch Comment
  UCR104846  Nicotiana obtusifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2665 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UCR234814  Nicotiana obtusifolia Jim Andre, Glenn L. Clifton 2011-2-22 17479 Riverside Coachella Valley, 1.2 mi due south of Windy Point (at Hwy 111, just southwest of 'The Cove' housing development near Blaisdell Creek, at base of San Jacinto Mountains 320 Comment
  UCR21934  Nicotiana quadrivalvis Steve Boyd 1980-5-3 185 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  GMDRC5194  Nolina bigelovii Mike Heaney 2010-5-23 1119 Riverside Old Woman Mountains: northern end of range in canyon just south and east of Enterprise Mine 1077 Comment
  RSA747436  Nolina parryi T. Scott, K. M. Meyer, A. Townesmith 2007-3-18 137 Riverside San Bernardino National Forest. San Jacinto Ranger District, about 0.2 mi. along Pinon Flats Transfer Station Rd. off Rte. 74. 1228 Comment
  UCR152583  Nolina parryi James C. Dice 1985-6-13 618 Riverside Peninsular Range; San Jacinto Mtns., Pinyon Flat, c. 1.3 km N of Hwy 74 1250 Comment
  CAS-BOT-BC71162  Notholaena californica Louis C. Wheeler 1933-12-2 2306 Riverside Mouth Tah 304 Comment
  SBBG45299  Notholaena californica W. Wright -Mar-1890 Riverside Agua Caliente [Palm Springs] Comment
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Jul 16 2010
  UCR129868  Notholaena californica subsp. californica P. A. Munz 1921-12-31 4704 Riverside Sonoran (Colorado) Desert, Andreas Canyon 427 Comment
  SEINET3872753  Notholaena californica subsp. leucophylla Lewis S. Rose 1966-12-13 66102 Riverside Palm Springs, Tahquitz Wash.; 0 183 Comment
  CLARK-A1528-3581  Notholaena parryi John C. Roos 1946-11-30 3168 Riverside Chuckwalla Mountains Comment
  OBI7134  Nymphaea alba Pam Wolf 1976-5-29 197 Riverside Pond at Fairmont Park 457 Comment
  UC422970  Oenothera F. M. Reed 1903-10-2 264 Riverside 547 Chicago Ave. Riverside Comment
  CSUSB200  Oenothera californica Robin Maetche, Jim Hearne, Geoffrey Matthews 1971-5-19 Riverside 5 miles south of Idyllwild. Comment
  RSA162850  Oenothera californica J. D. Olmsted 1959-4-21 447 Riverside Along roadside at intersection of Archibald Ave U.S 60. 2 mile W of Jurupa Hills to Santa Ana River 259 Comment
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Jun 3 2013
  CSUSB207  Oenothera deltoides Linda Stangor 1974-4-18 Riverside Windy Point; South side of Windy Point dunes. Comment
  UC1979846  Oenothera deltoides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-5 959 Riverside Mojave Desert; East Mojave Desert region: Blythe-Rice Road, East / Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. Comment
  UCR196347  Oenothera deltoides Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1428 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  SEINET6630452  Oenothera deltoides Robert L. Dressler 1949-3-19 418 Riverside 5 miles. North East of Desert Center Comment
  RSA747802  Oenothera deltoides var. deltoides Justin M. Wood 2009-3-26 402 Riverside [Coachella Valley:] Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  UCR198169  Oenothera primiveris subsp. bufonis Michael Honer, Theresa Miller 2005-3-11 2062 Riverside Northeastern Colorado Desert, Rice Valley, 4.5 mi south-southeast of Rice, 1.5 mi east of ATSF railway 220 Comment
  SEINET7909439  Oenothera scapoidea P. L. Packard 1976-1 Riverside 6 mi W of Blythe, Interstate 10 Comment
  UCR40267  Olea europaea Steve Boyd 1985-7-23 1004 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 5.5 mi west of Rancho California 396 Comment
  UCR94247  Olea europaea Scott D. White 1996-4-14 3923 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
  RSA717444  Oligomeris linifolia Scott D. White, Pam De Vries 2006-3-14 11256 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  UCR148854  Oligomeris linifolia S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  JOTR32327  Olneya tesota Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Open, sandy bajada adjacent to Pinto Basin road and near south park boundary Comment
  UC52164  Olneya tesota E. E. Schellenger Jul 25 1903-Aug 14 1903 12 Riverside Chuckwalla Bench; Colorado Desert Comment
  JEPS100417  Oncosiphon piluliferum Dean W. Taylor 2003-5-8 18551 Riverside Davis Road 0.5 miles north of Lakeview, San Jacinto Wildlife Area 434 Comment
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Feb 19 2009
  UCR228248  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato 2011-4-1 38925 Riverside Peninsular Range, Lake Elsinore, Nichols Rd. extension (formerly Coal Ave.) at Lake St., SW side of Alberhill Mtn. 413 Comment
  UCR241846  Oncosiphon piluliferum A. C. Sanders 2013-4-17 40806 Riverside Peninsular Range; Eastern Foot of Gavilan Hills, Hwy 74 between Lake Elsinore and Meadowbrook, 0.1 km NE of Wasson Canyon Rd. intersection 499 Comment
  SEINET848397  Opuntia X occidentalis C. B. Wolf, P. C. Everett 1938-1 3355 Riverside 9 miles fsrom Temecula on raod to Aguanga; fork of Temecula Wash Comment
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Aug 11 2013
  RSA543162  Opuntia basilaris Steve Boyd, Timothy S. Ross, Mike Hammit 1991-5-2 6092 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
  CAS-BOT-BC58057  Opuntia basilaris var. basilaris Dr. Barton W. Evermann 1924-4-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA311497  Opuntia engelmannii Lyman Benson 1963-6-20 16350 Riverside Wash at Cabazon. 488 Comment
  SEINET10732264  Opuntia parryi Andrew Townesmith, Karen M. Meyer; Tracy Scott 2007-3-17 Townesmith 691 Riverside San Bernardino National Forest, San Jacinto Ranger District. 0.9 miles NE of route 74 on Apple Canyon Road. T6S R3E S3 San Bernardino meridian. 1358 Comment
  POM274148  Opuntia phaeacantha Lyman Benson 1933-3-31 4146 Riverside San Bernardino Mt. Range. US 66 [actually US 60], Beaumont. 457 Comment
  SEINET9037739 Image available Opuntia phaeacantha M. A. Baker 2015-1 18327 Riverside San Gorgonio Pass, 8km east of Banning, 30km WNW of Palm Springs, 4km WNW of Cabazon 646 Comment
  RSA9815  Opuntia polyacantha var. erinacea B. D. Stark 1931-8-28 2447 Riverside San Jacinto Mountains. 3 miles N of forks in road to Santa Rosa and Aguanga. 1524 Comment
  RSA0104791  Orobanche bulbosa Darin L. Banks, Steve Boyd 1995-6-2 566 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, approximately 1/4 mile S of the clay grasslands in S32. 902 Comment
  POM259671  Orthocarpus purpurascens Philip A. Munz 1940-3-22 15659 Riverside Whitewater Canyon 2 miles north of Banning-Indio boulevard. Comment
  RSA495465  Orthocarpus purpurascens var. purpurascens Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-18 2994 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake dam. 418 Comment
  UCR113534  Oxalis rubra Mitch Provance 2000-4-14 1899 Riverside UCR Family Housing, 3360 Idaho St., Riverside c. 320 Comment
  POM48935  Oxytheca caryophylloides P. A. Munz 1924-7-19 8854 Riverside burn 6 mi SE of Poppet Flat. San Jacinto Mts. 1524 Comment
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Oct 17 2008
  RSA674657  Oxytheca trilobata Scott D. White 2000-8-5 8119 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  SD7982  Paeonia californica Daniel Cleveland 1882-4-22 Riverside Temecula Comment
  CAS-BOT-BC327900  Palafoxia arida Ira L. Wiggins 1941-3-24 9564 Riverside 0.3 miles S of Myoma, 4.6 miles N of Indio Comment
  SBBG35133  Palafoxia arida T. L. Secrest 1948-4-7 Riverside 5 mi below Whitewater 274 Comment
  SEINET6630282 Image available Palafoxia arida Bonnie C. Templeton, I. W. Clokey 1006 Riverside N of Palm Springs 400 Comment
  UC520277  Palafoxia arida var. arida A. N. Dunn and A. M. Martin 1932-3-26 Riverside Box Canyon Comment
  RSA600856  Palafoxia linearis Marjorie D. Clary 1937-7-9 2793 Riverside W side of Colorado Desert: Coral Reef Ranch, Coachella. Comment
  UCR278641  Panicum hirticaule subsp. hirticaule Onkar Singh 2015-11-10 5615 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 100 m south of Hwy I-10, 50 m east of eastern terminus of Chiuckwalla Valley Road 115 Comment
  CAS-BOT-BC253901  Panicum urvilleanum Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  UCD90126  Panicum urvilleanum R. Tofsrud 1949-4-1 s.n. Riverside Hwy. 99 between Indio and Thousand Palms. Comment
  RSA614534  Papaver californicum A. C. Sanders 1997-5-4 20631 Riverside UTM 10km cell: NH-1E, 4N. Vista Grande. 1067 Comment
  RSA709794  Parietaria hespera var. californica A. C. Sanders 2004-5-5 27769 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
  RSA0123293  Parietaria hespera var. hespera Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8979 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA448024  Parietaria hespera var. hespera J. A. Comstock 1934-4-15 s.n. Riverside Moist shady place. Comment
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Apr 15 2015
  UCR251898  Parkinsonia florida Jim Andre 2013-3-27 24821 Riverside NE Colorado Desert, east side of Riverside Mountains, along Hwy 95, 13.2 mi south of Vidal Junction 126 Comment
  RSA0054913  Parkinsonia microphylla W. Marquart 1938-3-12 s.n. Riverside Fifteen mi. west of Blythe. Comment
  RSA698049  Parosela mollis J. Russell Bruff 1929-12-28 448 Riverside 1 mi. S.E of Dos Palmas. Comment
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Apr 28 2011
  CAS-BOT-BC259739  Paspalum distichum H. A. Zuill 1966-6-19 230 Riverside Cole Canyon, about 1-2 miles [?] Murrieta Comment
  RSA179519  Paspalum distichum E. W. Lathrop 1959-5-17 4570 Riverside 10 miles W of Murrieta. Comment
  CDA8446  Pectis papposa G. D. Barbe, J. L. Johnson 1982-11-2 4021 Riverside 0.6 mile west of Coon Hollow campground on Bradshaw Trail. 0 Comment
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Apr 11 2013
  CLARK-A1528-2019  Pectis papposa John C. Roos 1937-8-22 1212 Riverside Comment
  RSA0089248  Pectis papposa Ken Halama 2015-10-9 s.n. Riverside Perris Basin: Motte Reserve, c. 2.5 mi NW of Perris, eastern edge of the Gavilan hills. 542 Comment
  RSA339330  Pectis papposa R. F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-22 53567 Riverside Joshua Tree National Monument: Just S of San Bernardino Co. line near jct of road to Split Rock and 29 Palms; Valley W of Pinto Mountains 1098 Comment
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Apr 25 2011
  RSA38494  Pectis papposa P. A. Munz 1946-10-20 11574 Riverside Palms to Pines Hwy, 11.5 miles south of Palm Springs to Indio Road. 1037 Comment
  RSA778323  Pectis papposa Amber Swanson 2011-10-9 652 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  SBBG19829  Pectis papposa E. R. Blakley 1963-9-18 6182 Riverside US Hwy 80, 2.7 mi W of Desert Center 312 Comment
  SBBG8647  Pectis papposa H. and M. Dearing 1939-11-12 4027 Riverside E of Palm Springs Comment
  UCR58874  Pectis papposa J. M. Stewart 1989-10-17 619 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, c. 10 mi west of Wiley's Well 305 Comment
  RSA778408  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-5 060 Riverside Ship Creek. Corn Springs Rd Exit from I10. Take Chuckwalla Valley Rd to Dupont Rd. Follow approximately 5 miles. Chuckwalla Mountains Wilderness Area. 341 Comment
  UCR64000  Pectocarya anisocarpa George K. Helmkamp 1984-5-2 D- 29 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  UCR214558  Pectocarya heterocarpa A. C. Sanders 2010-3-15 37418 Riverside Sonoran (Colorado) Desert, western edge of Blythe near the airport, Black Rock Rd. near the Mesa Dr. and I-10 intersection 120 Comment
  UCR103253  Pectocarya linearis B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3580 .2 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
  UCR250362  Pectocarya linearis A. C. Sanders 2014-4-9 40993 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.18 km southeast of El Hermano Rd., NW of Corona (Lee) Lake 316 Comment
  RSA769651  Pectocarya linearis subsp. ferocula Duncan S. Bell, Naomi Fraga 2010-4-22 852 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.2 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 771 Comment
  UC72059  Pectocarya linearis subsp. ferocula Miss M. A. King 1893-1 Riverside Menifee Comment
  POM6648  Pectocarya penicillata P. A. Munz, L. T. Street, G. Williams 1919-3-28 2387 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  RSA543783  Pectocarya penicillata Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6040 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UC1114562  Pectocarya penicillata Peter H. Raven 1958-3-15 11838 Riverside Box Canyon Comment
  UCR241799  Pectocarya platycarpa A. C. Sanders, Ann Howald 2013-2-28 40562 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 3.4 miles west of Hwy 78, 11 km SW (250 deg. ) of Ripley 114 Comment
  SEINET241497  Pectocarya recurvata A. C. Sanders 2001-3-20 23850 Riverside Western Colorado Desert: Coachella Vlly, Garnet, N side of 19th Ave, 0.5 mi(air) NW of intersxn of I-10 & Indian Ave. 235 Comment
  SEINET3084049 Image available Pectocarya recurvata Andrew C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19678 Riverside Colorado Desert/San Jacinto Mtns: ; Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon 183 Comment
  UCR72208  Pectocarya recurvata Theo Glenn 1992-3-31 92- 18 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  UCR85238  Pectocarya recurvata A. C. Sanders, P. J. MacKay, M. Jacobsmeyer, C. L. Sanders 1995-3-5 16000 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  UCR91517  Pectocarya recurvata A. C. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay, C. L. Sanders 1995-2-12 15919 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fan below the Little San Bernardino Mtns., Fargo Canyon Road, 1.35 mi. east of Dillon Road 98 Comment
  RSA192066  Pedicularis densiflora E. W. Lathrop 1959-4-2 4408 Riverside 18 miles S.W. of Elsinore. Tenaja plateau, south slope Comment
  RSA509566  Pedicularis densiflora John Adams 1966-4-30 s.n. Riverside 3 mi. above De Luz on dirt road. 915 Comment
  UC64233  Pedicularis densiflora H. M. Hall 1897-4-17 476 Riverside vicinity of Beaumont Comment
  IRVC3138  Pellaea andromedifolia R. H. Whittaker, W. A. Niering 1963-6-2 SJ 170 Riverside Mountain Center to Hemet Highway [74]. Peninsular Ranges, San Jacinto Mountains 915 Comment
  HSC35461  Pellaea mucronata J. D. Ackerman, A. M. Montalvo 1975-6-26 525 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, above SanJuan Campground, Cleveland National Forest 610 Comment
  UCR17580  Pellaea mucronata var. californica N. R. Zabriskie, J. Zabriskie 1971-4-9 362 Riverside Peninsular Range; Santa Rosa Mtns., north slope of mtns., Deep Canyon, c. 2 mi. up water service road leading south of Hwy 74. Site 2 1311 Comment
  RSA785456  Pennisetum villosum T. B. Salvato 2000-8-22 20 Riverside Riverside, Bascomb Drive at Don Goodwin Street 309 Comment
  RSA650598  Penstemon X parishii R. S. Woglum 1939-4-22 2189 Riverside Hemet. Bautista canyon toward Anza. Comment
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Jun 9 2012
  POM259128  Penstemon californicus Philip A. Munz 1938-8-14 15378 Riverside East of Toro Peak 2287 Comment
  UCR139250  Penstemon californicus A. C. Sanders, Kate Kramer 2003-6-11 26880 Riverside San Jacinto Mtns., Garner Valley, foothills on the northeast side of the valley, near Morris Ranch Rd. c. 0.25 mi. NW of Kenworthy Ranger Station 1377 Comment
  HSC29906  Penstemon centranthifolius R. W. Spjut 1972-3-13 2261 Riverside W border of the Colorado Desert, slopes of the San Jacinto Mtns. near the E border of the San Bernardino National Forest along Hwy. 74 915 Comment
  RSA0014942  Penstemon centranthifolius LeRoy Gross, Evan Meyer 2013-5-21 6117 Riverside 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 [coordinates given.] 1631 Comment
  RSA69368  Penstemon centranthifolius G. R. Campbell 1951-5-30 16141 Riverside just west of Cahuilla. 1067 Comment
  CAS-BOT-BC265293  Penstemon clevelandii subsp. connatus Barbara Ertter; Jeffrey Strachan 1980-5-21 3487 Riverside Rivulet crossing Santa Rosa Mountain road [Forest Road 7S02] from Highway 74 [Pines to Palms Highway] 1584 Comment
  JOTR32967  Penstemon clevelandii var. mohavensis La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2718 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  POM11198  Penstemon grinnellii Philip A. Munz 1922-6-26 5826 Riverside Santa Rosa Mts. Road to Santa Rosa from Vande venter 1768 Comment
  POM11202  Penstemon grinnellii Philip A. Munz 1922-7-8 6062 Riverside Fern Valley 1768 Comment
  SD229290  Penstemon labrosus Dick Schwenkmeyer 2012-8-7 781 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  UCR151031  Penstemon rostriflorus Scott D. White 1998-7-31 6929 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  RSA621904  Penstemon spectabilis var. spectabilis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3221 Riverside Vail Lake area, riparian woodland area at N end of Kolb Creek, near campground. 457 Comment
  SBBG34196  Pentachaeta aurea T. L. Secrest 1951-5-19 Riverside Idyllwild to Hemet Lake Comment
  RSA93215  Pentachaeta aurea F. W. Peirson 1938-5-30 s.n. Riverside Thomas Mountain, Hemet Valley. 1402 Comment
  CAS-BOT-BC71683  Pentagramma triangularis subsp. triangularis Elmer I. Applegate 1893-4-23 s.n. Riverside Hills of East Riverside Comment
  POM13282  Perideridia parishii subsp. latifolia P. A. Munz 1922-9-15 6367 Riverside Taqhuitz Valley, San Jacinto Mountains. 2195 Comment
  CAS-BOT-BC73772  Peritoma arborea var. arborea Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well Comment
  RSA305912  Perityle emoryi Fay A. MacFadden 1940-3-17 15304 Riverside Rd from Twentynine Palms to Indio, about half way, San Bernardino Mts. Riverside Co. Comment
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Oct 16 2011
  RSA788979  Perityle emoryi Aaron C. Sedgwick, David Fraker 2012-3-28 27 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  RSA445164  Petalonyx thurberi N. C. Cooper 1944-7-15 1574 Riverside Palms to Pine Hwy 152 Comment
  SEINET3561306 Image available Petalonyx thurberi Lewis S. Rose 1938-10-19 38324 Riverside 6 miles south of Cathedral City. 46 Comment
  UCR72192  Petalonyx thurberi Theo Glenn 1991-5-2 91- 127 Riverside Sonoran (Colorado) Desert, Arica Mtns., SW of Rice 340 Comment
  SEINET11978708  Petalonyx thurberi Unknown 1936-1 12554 Riverside Colorado Desert N of Palm Springs Comment
  SBBG4888  Petalonyx thurberi subsp. thurberi H. and M. Dearing 1940-1-1 4039 Riverside near Painted Cyn Comment
  RSA425012  Petunia parviflora J. C. Roos 1952-5-28 5728 Riverside San Jacinto River bottomland 1 mile south-east of Perris. 427 Comment
  POM15178  Peucephyllum schottii Mary F. Spencer 1922-3-27 1927 Riverside Canyon prope [near] Mecca 49 Comment
  RSA471970  Peucephyllum schottii Ora M. Clark 1929-3-17 1731 Riverside N. La Quinta, Colorado Desert. Comment
  UC1070056  Peucephyllum schottii H. S. Yates 1937-3-23 6434 Riverside Painted Canyon Thermal Quad. 121 Comment
  UCR208480  Peucephyllum schottii Justin M. Wood 2009-3-26 399 Riverside Colorado Desert, Western foothills of Mecca Hills, c. 0.5 air mi. east of the Coachella Canal and 4 air mi. south of the I-10 freeway 27 Comment
  UCR18183  Phacelia affinis A. C. Sanders 1978-4-30 00386 Riverside Peninsular Range; Santa Rosa Mtns, Cactus Spring Trail, first large wash east of Horse Thief Creek, probably very near Cactus Spring 1311 Comment
  POM14022  Phacelia ambigua P. A. Munz, D. D. Keck 1922-4-9 4841 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  RSA525296  Phacelia ambigua Walter Wisura 1991-4-28 4487 Riverside Frontage Road off I10 near pump station in Pinkham Wash area. Comment
  UCR232389  Phacelia ambigua var. minutiflora Dave Silverman, Onkar Singh 2010-3-27 8056 Riverside Sonoran (Colorado) Desert, north edge of Palo Verde Mesa, 150 m south of McCoy Wash, 5.3 km WSW of Mesaville Siding, and 6.1 km north of Blythe Airport 137 Comment
  RSA791582  Phacelia ambigua var. minutiflora D. Silverman, Onkar Singh 2010-3-27 8056 Riverside North edge of Palo Verde Mesa, 150 m south of McCoy Wash, 5.3 km WSW of Mesaville Siding, and 6.1 km north of Blythe Airport. 137 Comment
  UC702059  Phacelia campanularia subsp. campanularia Harlan Lewis 1946-4-21 103 Riverside side canyon about 3 mi from Hiway 99; Whitewater Canyon Comment
  POM13320  Phacelia campanularia subsp. vasiformis E. C. Jaeger 1921-4-18 1084 Riverside Cottonwood Springs, colorado Desert. Comment
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Oct 9 2010
  UC881002  Phacelia campanularia subsp. vasiformis C. L. Hitchcock 1940-3-29 5862 Riverside ca 100 yds e Spring; Cottonwood Canyon Comment
  UCR241243  Phacelia cicutaria var. hispida Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 510 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UCSC001204  Phacelia crenulata Peter Kamb 1948-4-11 863 Riverside Aqueduct Road 5 mi east of Garnet Garnet - Coachella Valley, Larrea plain 305 Comment
  JOTR35326  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
  RSA777392  Phacelia crenulata var. ambigua Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 792 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  UCR103581  Phacelia crenulata var. ambigua George K. Helmkamp, E. A. Helmkamp 1998-1-17 2541 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  UCR268935  Phacelia crenulata var. ambigua Jim Andre 2015-3-2 31361 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
  UCSB46537  Phacelia crenulata var. crenulata Watts, Lisa 1983-3-6 Riverside South side of CA Highway 195, 5.5 miles east of Mecca, Box Canyon Wash 60 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
  CLARK-A1528-559  Phacelia distans C. M. Flanagan 1973-4-26 OO 307 Riverside Morongo Indian Reservation 914 Comment
  CSUSB934  Phacelia distans Charlotte M. Bringle 1967-4-2 B670402 2 Riverside City of Riverside, Mockingbird Canyon. Off Jackson Road. 0.2 mile past 1645 Jackson, in ravine on south side, about 1/4 mile out, between creek bed and dead trees. Previously, a lake covered the area. 350 Comment
  RSA0120303  Phacelia distans Duncan S. Bell 2016-4-16 9310 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA428221  Phacelia distans H. de Forest 1929-3-16 14648 Riverside San Bernardino Mts, San Gorgonio Pass. Comment
  RSA428227  Phacelia distans E. A. Purer 1933-3-25 17206 Riverside Palm Springs. Comment
  RSA676288  Phacelia distans Scott D. White 2001-4-3 8271 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA770317  Phacelia distans Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4408 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
  RSA772014  Phacelia distans Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4956 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
  SD143845  Phacelia distans A. C. Sanders, P. MacKay, et al. 1997-5-4 20641 Riverside San Jacinto Mountains: North side along Highway 243, 1.5 miles below Twin Pines Ranch Road, north slope of peak 3740. 1067 Comment
  UC1069256  Phacelia distans H. S. Yates 1937-3-23 6393 Riverside 2 mi n Palm Springs; San Jacinto Quadrangle Comment
  UC1518621  Phacelia distans Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55483 Riverside sandy wash along river where road crosses river below fish hatchery (ca 4 mi n of Whiatewater Post Office); San Bernardino Mts., Whitewater River 640 Comment
  UCR265842  Phacelia distans Mitch Provance 2012-5-24 512- 26 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  RSA645620  Phacelia minutiflora A. C. Sanders, E. J. Lawlor 1992-4-4 12149 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  CLARK-A1045-872  Phacelia pachyphylla George K. Helmkamp 1978-6-1 #3 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  SD181476  Phacelia ramosissima Scott D. White 1999-5-24 7374 Riverside Perris Basin, Perris/Sun City area, just east of Goetz Road and south of Ethanac Road, ca. 1I(c)-2 miles west of I-215 freeway. Abundant at a single rocky outcrop. USGS Romoland 7.5' quad. 440 Comment
  UCSB16948  Phacelia rotundifolia Otey, D. 1963-5-5 Riverside 10.8 miles southwest of Palm Desert on State Highway 74 914 Comment
  UCR76159  Phalaris minor A. C. Sanders 1993-4-1 76159 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  OBI6097  Phleum alpinum Carl B. Wolf 1932-8-5 3956 Riverside San Jacinto Mts 1st Real, wet meadow on trl from Tahquitz Valley to San Jacinto Peak 2743 Comment
  UC1132464  Phleum pratense H. S. Yates 1936-8-29 6379 Riverside near Pine Flat; San Jacinto Quad., near Pine Flat Comment
  UC880372  Phlox austromontana P. A. Munz and I. M. Johnston 1922-5-19 5450 Riverside 2 mi below Kenworthy; San Jacinto Mts., Hemet Valley 1417 Comment
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Mar 25 2011
  RSA771693  Pholistoma membranaceum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4689 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 W116.65123 604 Comment
  UC1518627  Pholistoma membranaceum Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55455 Riverside ca. 3.3 mi. n. Whitewater Post Office (side canyon w. side of Whitewater Canyon); San Bernardino Mts., Whitewater Canyon 594 Comment
  CAS-BOT-BC135107  Phoradendron californicum Milo S. Baker 1928-4-3 2773 Riverside Palm Canon [Canyon] Comment
  LA105150  Phoradendron californicum Dennis Kucera; 1987-11-14 sn Riverside Morongo Indian Reservation, Malki Museum garden, E of Banning off Fields Road 609 Comment
  OBI38805  Phoradendron californicum A. C. Sanders, Pitzer, Charlton, and Kniffen 1986-3-3 6097 Riverside Corn Spring, Chuckwalla Mts 488 Comment
  RSA27714  Phoradendron californicum C. Leo Hitchcock 1940-4-2 5917 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  UCR240037  Phoradendron californicum A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40510 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  SD232811  Phoradendron macrophyllum A. C. Sanders, J. Goetzen 1996-5-1 18141 Riverside Moronogo Indian Reservation, along dirt road in Hathway Crk. Cyn., N of Banning. 792 Comment
  UC306119  Phoradendron macrophyllum I. M. Johnston 1917-12-1 1810 Riverside n.w. Corona (Santa Ana R.); Santa Ana R. 182 Comment
  UCR94257  Phoradendron macrophyllum Scott D. White 1996-4-14 3916 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
  RSA594133  Phyla nodiflora var. nodiflora D. L. Banks, Victor W. Steinmann 1996-4-20 899 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 524 Comment
  POM118489  Physalis crassifolia Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well. Comment
  POM4167  Physalis crassifolia I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canon. 274 Comment
  CAS-BOT-BC60805  Physaria tenella H. M. Hall 1905-4-24 5882 Riverside Colorado Desert. Salvation Springs. Comment
  SEINET3871933  Pinus cembroides var. parryana Victor Duran 1933-7-2 3495 Riverside Near Santa Rosa, Santa Rosa Mountains.; 0 1676 Comment
  RSA78321  Pinus lambertiana Philip A. Munz, E. K. Balls 1952-8-21 17978 Riverside Santa Rosa Spring, Santa Rosa Mts. 2134 Comment
  CLARK-A1528-3557  Pinus monophylla John C. Roos 1947-4-5 3435 Riverside San Jacinto Mountains 1310 Comment
  CLARK-A1528-3629  Pinus monophylla John C. Roos 1938-8-7 586 Riverside San Jacinto Mountains Comment
  SBBG358  Pinus quadrifolia M. Van Rensselaer 1937-9-21 Riverside W of Vandeventer Flat Comment
  UCSB149  Pinus quadrifolia Newby, Ron 1959-5-17 Riverside 12 miles N from Pinon Flats on Highway 74 growing along roadside; San Jacinto Mountains 1371 Comment
  RSA613320  Plagiobothrys D. L. Banks 1997-3-1 1385 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  UCR263233  Plagiobothrys arizonicus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41457 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  UCR172726  Plagiobothrys canescens A. C. Sanders, John F. Green 2006-5-18 32369 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  UCR150243  Plagiobothrys collinus John F. Green 2005-2-14 s.n. Riverside Moreno Valley, Lasselle St. at Ironwood Ave., N of the 60 Fwy 564 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
  UC78057  Plagiobothrys collinus var. californicus Edward Lee Greene 1885-1-1 Riverside Temecula Station Comment
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Mar 27 2011
  UCR180146  Plagiobothrys collinus var. fulvescens Mitch Provance 2003-4-26 9895 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
  UCR266777  Plagiobothrys collinus var. fulvescens Mitch Provance, Matt Amalong 2015-3-25 315- 23 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  UCR272260  Plagiobothrys jonesii Duncan S. Bell, Amanda Turek 2010-4-9 759 Riverside Mojave Desert, east side of the Arica Mountains, near the center of the range, c. 1.75 air mile west of Priest Well 439 Comment
  POM13580  Plagiobothrys leptocladus P. A. Munz, D. D. Keck 1922-4-15 4988 Riverside Near Moreno. Grain field. 366 Comment
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Mar 20 2011
  POM3872  Plagiobothrys leptocladus P. A. Munz, I. M. Johnston 1918-4-27 2123 Riverside Elsinore Lake 366 Comment
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Nov 20 2011
  RSA601784  Plagiobothrys leptocladus D. Bramlet 1997-3-13 2492 Riverside Nichols Road Wetlands, the site is located 275m SE of Nichols road, 91m W of Collier Ave, 305m W of I15., The locality is E of the existing dirt road extending S from Nichols Road and adjacent to Alberhill Creek. Comment
  SD140151  Plagiobothrys leptocladus A. C. Sanders 1993-4-1 13671 Riverside Western edge of Hemet, northeast corner of Myers and Devonshire Streets, just south of Tres Cerritos 459 Comment
  UCD120858  Plagiobothrys leptocladus J. C. Roos 1952-4-23 5572 Riverside Along the San Jacinto River 1 mile SE of Perris. 426 Comment
  UCR47600  Plagiobothrys leptocladus F. R. Fosberg 1932-5-9 10640 Riverside Perris 450 Comment
  UCR58499  Plagiobothrys nothofulvus Jeri Hirshberg 1989-4-19 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., south of town of Murrieta, west of Mesa de Burro 610 Comment
  CHSC8393  Plantago Edward L. Smith 1958-3-22 410 Riverside Located in sand dunes 3 mi. s of Rice. Santa Maria Mts. 335 Comment
  UCR112323  Plantago elongata A. C. Sanders, K. C. Rose 1998-5-21 21862 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  UCR216394  Plantago erecta Mike Bell 2008-3-30 022 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  OBI37478  Plantago lanceolata Steve Boyd 1985-7-23 1000 Riverside Along rd edge, 5 mi W of Rancho Calif at jctn of Rancho California Rd and De Luz Rd 427 Comment
  UCSB7588  Plantago major Ballard 1954-10-30 Riverside 3 miles south of Men's Reform Institution, Chino 198 Comment
  JEPS22327  Plantago ovata Peter H. Raven 1958-2-15 11563 Riverside Corn Springs Chuckwalla Mountains Comment
  JEPS85906  Plantago ovata Peter M. Ray 1949-3-6 1326 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  RSA162787  Platanthera leucostachys John Olmsted 1959-7-1 710 Riverside Deer Spring; N of Idyllwild along Deer Springs trail to San Jacinto Peak, San Jacinto Mountains. N Fork San Jacinto River Drainage Area. 2591 Comment
  UC218258  Platanthera leucostachys P. A. Munz 1922-7-7 6065 Riverside n Tahquitz Valley; San Jacinto Mts. 2225 Comment
  RSA715447  Platanus racemosa A. C. Sanders, T. B. Salvato 2006-6-2 33073 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Canyon/Scott Road and north of Clinto Keith Road. 549 Comment
  RSA180244  Platystemon californicus E. W. Lathrop 1959-4-2 4434 Riverside 18 miles west of Murrieta. Comment
  RSA192038  Platystemon californicus E. W. Lathrop 1959-4-16 4468 Riverside 14 miles W of Murrieta, Tenaja plateau. Comment
  UC519884  Platystemon californicus Katherine Kinsel 1930-4-17 Riverside near Perris; near Perris Comment
  RSA0021527  Pleuraphis rigida Jim Andre 2013-3-27 24809 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  CAS-BOT-BC326649  Pleurocoronis pluriseta Edmund C. Jaeger 1922-3-18 s.n. Riverside Eagle Canyon 4 miles east of Palm Springs Comment
  JOTR31907  Pleurocoronis pluriseta La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2154 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash Comment
  SBBG53816  Pleurocoronis pluriseta E. A. Cardiff 1968-2-25 Riverside S side of Painted Cyn in Mecca Hills Comment
  SDSU13611  Pluchea odorata W. Miller, C. Mosse 1972-7-19 Riverside Comment
  UCR135982  Pluchea sericea A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27904 Riverside Peninsular Range, Alberhill Mountain, around dried pool in bottom of a large clay pit 445 Comment
  CLARK-A1528-84  Poa annua Fred B. Essig 1964-2-20 15 Riverside La Sierra 609 Comment
  RSA334887  Poa secunda A. C. Sanders, Steve Boyd 1980-4-17 1340 Riverside Pine Meadow in upper Garner Valley, along Hwy 74, 0.7 mi. E of junction with Hwy 371. 1524 Comment
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Sep 10 2011
  RSA524229  Poa secunda Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4023 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA773170  Poa secunda Duncan S. Bell, Valentin Arvizu 2010-5-24 1109 Riverside San Bernardino National Forest: Garner Valley, approximately 3.4 air miles southeast of junction of forest service road 6S04 and forest service road 6S13., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1385 Comment
  POM19164  Polygala cornuta var. fishiae P. A. Munz 1923-6-18 7127 Riverside Temecula Canyon. Comment
  POM2369  Polygonum amphibium var. emersum I. M. Johnston 1918-5-30 2027 Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  UC1713682  Polygonum amphibium var. emersum I. M. Johnston 1918-5-30 2027 Riverside Lee Lake Temescal Canyon 335 Comment
  RSA554280  Polygonum argyrocoleon Scott D. White 1992-2-25 92 -11 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  UC6661  Polygonum bistortoides H. M. Hall 1901-7-5 2358 Riverside Tauquitz Valley San Jacinto Mts. (meadows and bogs) 2438 Comment
  UCR261422  Polypodium californicum Joseph Cahill 2011-1-8 111- 14 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  CAS-BOT-BC102594  Populus fremontii Herman Knoche 1919-6-2 Series A, No. 644 Riverside Palm Springs Comment
  CAS-BOT-BC102596  Populus fremontii S. B. Parish 1912-6-27 8130 Riverside Mecca, Colorado Desert Comment
  CSUSB805  Populus fremontii Eugene Cardiff, Ken Smith 1954-4-5 Riverside Santa Ana River Santa Ana River near Pedly. Comment
  SD46504  Populus fremontii P. C. Everett, E. K. Balls 1956-5-1 21549 Riverside Hwy 95, 25 mi. s, of San bernardino-Riverside County line, Vidal to Blythe 399 Comment
  UCD170905  Populus fremontii A. C. Sanders 2002-3-5 24890 Riverside San Jacinto River Valley, State St. at the NW edge of the town of San Jacinto, near Mt. San Jacinto College on the south side of the river. 457 Comment
  UC4919  Populus fremontii subsp. fremontii Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  RSA561121  Populus trichocarpa Steve D. Boyd, Tim S. Ross, D. E. Bramlet 1993-5-12 7314 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  RSA796473  Porophyllum gracile Duncan S. Bell 2009-4-18 207 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
  RSA0103579  Portulaca oleracea Duncan S. Bell 2015-9-30 8655 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  UC860692  Potentilla gracilis var. fastigiata P. A. Munz 1922-7-6 5986 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley 2194 Comment
  CAS-BOT-BC356221  Prenanthella exigua Annie M. Alexander; Louise Kellogg 1940-4-27 1236 Riverside Whipple Mountains 289 Comment
  UCR45120  Prosopis glandulosa L. F. LaPre 1986-9-25 s.n. Riverside Sonoran (Colorado) Desert, Cabazon Indian Reservation, adjacent to Southern Pacific R.R. tracks, c. 1 mi NW of Mecca, between Buchanan and Lincoln Sts., Coachella Valley 52 Comment
  JOTR31977  Prosopis glandulosa var. torreyana La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2213 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  RSA348735  Prosopis glandulosa var. torreyana Christopher Davidson 1979-4-4 7710 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  RSA522100  Prosopis glandulosa var. torreyana Steve Boyd, T. S. Ross 1989-8-28 3793 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UCD166277  Prosopis glandulosa var. torreyana Jack Major 1962-4-17 791 Riverside On the outskirts of Palm Desert. (Exact location unkown. Coordinates estimated by label maker.) Comment
  UCR13750  Prosopis pubescens N. R. Zabriskie, W. W. Zabriskie 1971-10-24 459 Riverside Western Colorado Desert/ San Jacinto Mtns, E slope of San Jacinto Mountains, Andreas Canyon watershed, SE of turnoff to clubhouse from Andreas Canyon Club Road 320 Comment
  RSA721886  Prunus fasciculata J. Mark Porter, Orlando Mistretta 2003-6-5 13618 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range.Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running southeast. 412 Comment
  JOTR32147  Prunus fasciculata var. fasciculata La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2303 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  CAS-BOT-BC151124  Prunus fremontii Milo S. Baker 1928-4-4 2799 a Riverside Tahquitz Canyon Comment
  CAS-BOT-BC151126  Prunus fremontii L. R. Abrams 1926-3-26 11067 Riverside Palm Springs to Palm Canyon Comment
  LA208140  Prunus fremontii Carl Epling; 1927-3-27 Riverside Palm Springs Comment
  RSA122704  Prunus ilicifolia Marcus E. Jones 1926-6-20 s.n. Riverside Near Banning. Comment
  RSA263753  Prunus ilicifolia E. W. Lathrop 1969-5-8 7007 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  CAS-BOT-BC356335  Psathyrotes ramosissima Ynez Whilton Winblad 1937-4-23 s.n. Riverside Box Canyon Comment
  CAS-BOT-BC356347  Psathyrotes ramosissima H. M. Hall 1905-4-1 5864 Riverside Nr. Chuckawalla [Chuckwalla] Comment
  RSA472320  Psathyrotes ramosissima J. W. Jamie 1906-4-1 1456 Riverside Mecca Comment
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Nov 30 2009
  UCR196350  Psathyrotes ramosissima Naomi Fraga, Lisa Rojas 2005-2-10 1403 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 361 Comment
  UCR245244  Psathyrotes ramosissima Jim Andre 2012-3-19 21337 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley along unnamed dirt road 0.3 mi. N. of Hwy 177, 5.7 mi. NE of junction with I-10 freeway 157 Comment
  UCR213572  Pseudognaphalium biolettii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37814 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
  UCR281889  Pseudognaphalium leucocephalum R. E. Riefner Jr. 2017-9-4 17- 451 Riverside Perris-Aguanga Basin, Wolf Valley, city of Temecula, Temecula Creek, immediately north of Temecula Lane and Canterfield Drive, vicinity of Pala Community Park 323 Comment
  CAS-BOT-BC357548  Pseudognaphalium stramineum Geo. B. Grant 1901-8-1 s.n. Riverside Strawberry Valley Comment
  RSA0116456  Pseudognaphalium stramineum R. G. Swinney 2011-6-9 17194 Riverside Santa Ana River Valley: Jurupa Valley, Pedley area, Horseshoe Lake, west of Van Buren Blvd., west of the corner and Studio Pl. and Lakeview Ave. 219 Comment
  RSA0124290  Pseudotsuga macrocarpa Duncan S. Bell 2016-4-16 9333 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA785189  Psilocarphus brevissimus D. E. Bramlet 1993-5-5 2340 Riverside along a NE-SW access road between Olsen and Dawson Canyons, leading to the Black Rocks region; 426 m east of the El Sobrante landfill and 518 m north of Dawson Canyon 427 Comment
  CHSC98084  Psilocarphus tenellus var. globiferus R. E. Riefner Jr. 2005-4-22 05 -242 Riverside West roadside of Hwy. 79 between Old Newport Rd. and Patton Rd. Vernal pool. UTM: 11S 049215E 3727687N. 468 Comment
  JEPS41711  Psorothamnus arborescens var. simplicifolius W. L. Jepson and H. M. Hall 1901-5-22 1348 Riverside Palm Canyon and return to Van Deventers Comment
  LA31367  Psorothamnus arborescens var. simplicifolius Jane Turner; Barbara Whitesel, Virginia Sjaholm 1959-3-21 C 180 Riverside Morongo Wash Comment
  POM305419  Psorothamnus arborescens var. simplicifolius Henry J. Ramsey, Henry J. Ramsey 1937-11-28 752 Riverside Palm Springs Comment
  RSA735067  Psorothamnus arborescens var. simplicifolius Scott D. White, Angelia Carey 2004-6-4 10479 -A Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  JEPS41699  Psorothamnus emoryi Marjorie D. Clary 1932-4-29 Riverside West side, Colorado Desert Comment
  LA205190  Psorothamnus emoryi S. Atsatt; 1926-4-17 sn Riverside Palm Springs Comment
  POM128971  Psorothamnus emoryi E. E. Schellenger 10 Riverside Colorado Desert. Santa Marie Mts. [Little or Big Maria Mountains] Comment
  UCD108315  Psorothamnus emoryi Lewis S. Rose 1959-1-9 59005 Riverside Palm Springs. 30 Comment
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Apr 20 2013
  UCSB3042  Psorothamnus emoryi Graney, Don 1953-3-21 Riverside 11 miles east of Indio-Colorado Desert Comment
  JOTR32490  Psorothamnus schottii Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  UC866004  Psorothamnus schottii I. W. Clokey, B. C. Templeton 1930-4-9 4688 Riverside n Palm Springs (Colorado Desert); , n of Palm Springs 170 Comment
  UCR89662  Psorothamnus schottii Bern Schwenn 1994-4-29 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument, E side of Hexie Mtns., along Ruby Lee Well Road. 823 Comment
  POM1899  Psorothamnus spinosus J. S. Clease 1916-03 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  CAS-BOT-BC460530  Pterospora andromedea Mary F. Spencer 1919-6-25 1223 Riverside San Jacinto Mt. 1676 Comment
  RSA552699  Pterostegia drymarioides Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-2-26 6707 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCSB41281  Purshia tridentata var. tridentata Cowan, Clark 1978-4-25 Riverside Pinon Flat Campgrd. Hwy. 74, 8.9 mi (14.2 km) E of jct. Hwy 74 & 371. San Bernardino Nat. Forest. Comment
  RSA0081612  Pyrola aphylla P. A. Munz 1938-8-14 15370 Riverside Ridge east of Toro Peak, Santa Rosa Mts. 2378 Comment
  RSA0062946  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands: west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end. 716 Comment
  UC5829  Quercus X acutidens Samuel B. Parish 1891-11-5 2260 Riverside near Temecula (McGee's Stone) Comment
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Mar 27 2011
  UCSB38763  Quercus X munzii Muller, Cornelius 1952-3-23 Riverside Live-oak Tank, Joshua Tree National Monument Comment
  RSA476866  Quercus agrifolia var. agrifolia Mark Morris, Richard Barkelew 1929-5-10 s.n. Riverside Indian Canyon Comment
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Nov 11 2011
  UCR158895  Quercus agrifolia var. agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31560 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  CAS-BOT-BC62821  Quercus berberidifolia Steve Boyd 1994-10-14 8398 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. 426 Comment
  UCD59759  Quercus berberidifolia A. C. Sanders 2004-4-20 27523 Riverside Santa Ana Mtns.: Santa Rosa Plateau, 0.5 km west of Tenaja Road and north of the San Diego county line. 640 Comment
  UCR250922  Quercus berberidifolia Jeremiah George 2012-8-7 70812- 6 Riverside San Jacinto Mtns. Foothills/San Gorgonio Pass, south of Beaumont, just east of intersection Highland Springs Ave. and Circle C Ranch 747 Comment
  OBI14295  Quercus chrysolepis H. E. McMinn 1925-7-2 1496 Riverside Tahquitz Peak Trail, San Jacinto Mts Comment
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Jun 21 2012
  UCD45462  Quercus chrysolepis E. W. Lathrop 1969-5-9 7024 Riverside Mail divide truck. Trail between El Carriso and Santiago Peak, Cleveland Nat'l. Forest, Riverside Co. Elevation 4000 1219 Comment
  CAS-BOT-BC167097  Quercus cornelius-mulleri Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9009 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mi NE of Black Hills 854 Comment
  UCR136373  Quercus cornelius-mulleri Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9009 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
  POM262901  Quercus palmeri J. C. Roos 1941-5-9 120 Riverside Near summit of Pines to Palms Road Comment
  UCR99864  Quercus palmeri Scott D. White 1996-12-26 4648 Riverside San Jacinto Mtns, Bautista Canyon, along Bautista Canyon. Road, near junction with Tripp Flats Road 1174 Comment
  UCD166226  Quercus turbinella Jack Major 1962-4-16 769 Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  CAS-BOT-BC134753  Quercus wislizeni W. R. Dudley; F. H. Lamb 1896-6-14 4486 Riverside Cuddy Canyon Comment
  UCD47487  Quercus wislizeni Steve Boyd 1987-11-23 2096 Riverside Mt. Russel, N. of Lake Perris, Moreno Valley. 1188 Comment
  UCD73482  Quercus wislizeni A. C. Sanders; T. Tennant 1997-11-14 21603 Riverside San Bernardino Mtns.: Morongo Indian Reservation, sag pond at SE end of Burro Flats. 1110 Comment
  CAS-BOT-BC362415  Rafinesquia Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  JEPS30457  Rafinesquia neomexicana Peter H. Raven 1958-2-15 11581 Riverside Corn Springs Chuckwalla Mountains Comment
  UC35852  Rafinesquia neomexicana W. G. Wright 1890-1 1752 Riverside Colorado Desert Comment
  UCD135362  Rafinesquia neomexicana William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  SBBG124780  Ranunculus alismifolius var. alismellus C. B. Hardham 1966-5-7 14173 Riverside Skunk Cabbage Meadow Comment
  RSA198932  Ranunculus aquatilis var. capillaceus Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37423 Riverside Santa Rosa Plateau: near roadside, Rancho California. Santa Ana Mountains 610 Comment
  RSA286794  Ranunculus aquatilis var. capillaceus Robert F. Thorne 1974-5-23 44657 Riverside Santa Rosa Plateau, Rancho California: at N base of Mesa de Colorado in shallow water of small tenajas of small stream 610 Comment
  RSA0005415  Ranunculus californicus var. austromontanus P. A. Munz 1927-5-21 10892 Riverside Coahuila Valley. 1372 Comment
  UCSB2063  Ranunculus cymbalaria Haller, John 1950-5-21 Riverside San Jacinto Mtns., shore of Hemet Lake 1463 Comment
  POM12901  Ranunculus cymbalaria var. saximontanus P. A. Munz 1922-6-30 5897 Riverside Santa Rosa Mts.: Santa Rosa. 1982 Comment
  UCR52324  Ranunculus hebecarpus B. G. Pitzer 1988-3-20 675 A Riverside Santa Ana Mtns., Cleveland National Forest, along the San Juan Loop trail, about 4 mi west of El Cariso Village, just across the hwy from Ortega Park Store 305 Comment
  CDA7749  Raphanus raphanistrum Mike Lahti 2008-3-11 PDR# 1473097 Riverside San Jacinto, 950 N. Ramona Blvd. 0 Comment
  RSA525340  Raphanus sativus Steve Boyd, Andy Sanders, Mark Skinner 1990-4-28 4439 Riverside Vail Lake area, SW base of Big Oak Mtn. at mouth of Temecula Creek Cyn. below dam. 396 Comment
  CAS-BOT-BC59508  Rhamnus crocea A. C. Sanders; G. Waines 1997-3-12 19877 Riverside Lake Sinner area: lower Rawson Canyon, just NE of the lake along the road. 457 Comment
  POM202256  Rhamnus crocea Marcus E. Jones 1933-4-5 s.n. Riverside Hemet. Comment
  RSA613140  Rhamnus crocea D. L. Banks 1997-3-6 1410 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Area between a newly established firebreak on the south end of the Reservation, west of Magee Truck Trail and upper Pala Creek. 396 Comment
  RSA785510  Rhamnus crocea Doris Bowers 1972-4-15 1852 Riverside Near SBCM dig on Pulgas Creek Rd., Rancho Calif. 396 Comment
  RSA289811  Rhamnus ilicifolia Barry A. Prigge 1980-8-12 3931 Riverside Whitewater Canyon: 1.4 miles upstream from trout farm. 793 Comment
  SFV20161  Rhamnus ilicifolia J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-5 263 .8 Riverside Santa Rosa Mountains Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 0.7 miles from Highway 74. 1500 Comment
  CAS-BOT-BC200733  Rhus aromatica A. M. White 1974-6-5 1405 Riverside Indian Rd. ca. 5 mi W. Sun City Comment
  RSA0122718  Rhus aromatica Duncan S. Bell, LeRoy Gross 2016-3-30 9156 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  UCR194814  Rhus aromatica Scott D. White 2006-5-19 11477 Riverside Perris Basin/San Jacinto Mtn Foothills, [Santa Rosa Hills, c. 2 miles south of Hemet, c. 1 mile east of State St., vicinity of Hemet Butte and Gibbel Road] 610 Comment
  CLARK-A1528-5483  Rhus laurina John C. Roos 1954-7-10 6191 Riverside Box Springs Mountains 487 Comment
  JEPS66261  Rhus ovata W. L. Jepson 1939-4-17 19135 Riverside near Twin Springs (n end Temescal Canyon); Temscal Canyon 274 Comment
  POM210815  Rhus ovata Victor Duran 1933-7-3 3498 Riverside 2 miles east of Pinyon Flat, Santa Rosa Mountains. 1067 Comment
  RSA524472  Rhus ovata Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4076 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  SD144093  Rhus ovata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19859 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake. 456 Comment
  UCR97486  Rhus ovata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19859 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCSB3758  Rhus ovata Kamb, Peter 1947-3-3 Riverside Upper Sonora Zone; Banning-Idyllwild road below Barton lookout, San Jacinto Mts. 914 Comment
  RSA0125189  Ribes indecorum Duncan S. Bell 2016-3-3 8771 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3 air miles east northeast of Kitching Peak. 934 Comment
  RSA717839  Ribes indecorum T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 132 Riverside 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
  UCR187493  Ribes indecorum Theresa Johnson 2006-5-15 108 Riverside Peninsular Range, hills just SE of Mica Butte, 5 miles SE of Hemet 579 Comment
  SBBG34220  Ribes malvaceum T. L. Secrest 1951-5-20 Riverside N slope of San Jacinto Mtns Comment
  POM20019  Ribes nevadense Mary F. Spencer 1923-6-12 2174 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  CLARK-A1528-4142  Ribes quercetorum John C. Roos 1940-5-4 879 Riverside Reche Canyon Comment
  UCR25403  Ribes quercetorum John C. Roos 1948-5-22 3864 Riverside Pass at the top of Reche Canyon 732 Comment
  RSA162816  Ribes roezlii J. D. Olmsted 1959-7-1 724 Riverside Just west of Strawberry Cienega trail above Idyllwild. 2622 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
  UCR270751  Ribes speciosum T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8380 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 424 Comment
  UCR232776  Robinia pseudoacacia William Schlegel, Andrew Trouette 2008-10-10 027 Riverside Peninsular Range; San Jacinto Mtns., Snow Creek Cabin Parcel 570 Comment
  RSA221055  Romneya coulteri E. W. Lathrop 1966-5-8 6430 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  SD132413  Romneya coulteri var. coulteri Narca A. Moore-Craig 1984-4-21 Riverside Santa Ana Mtns. Temescal Canyon at boundary of Cleveland Natl. Forest and Glen. 427 Comment
  RSA180385  Rosa californica E. W. Lathrop 1960-6-9 4976 Riverside 14 miles west of Murrieta. Comment
  RSA601097  Rubus ursinus A. C. Sanders, J. Goetzen 1996-5-1 18131 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
  SD137661  Rumex californicus Darin L. Banks 1995-5-3 204 Riverside Cleveland National Forest, N. slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco 500 Comment
  CAS-BOT-BC433324  Rumex crispus S. B. Parish 1913-9-20 8617 Riverside Mecca. Salton Sink 57 Comment
  UCR96710  Rumex crispus A. C. Sanders 1997-3-1 19725 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCR138814  Rumex hymenosepalus D. L. Banks 1997-2-17 1278 Riverside Agua Tibia Mtns., NW Palomar Mountains, Pechanga Indian Reservation. Along Pechanga Rd. in the Reservation, c. 10 m west of the Pechanga Tribal Government Center 367 Comment
  UCR260198  Rumex hymenosepalus Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4658 Riverside Western Mojave Desert, around the confluence of the San Gorgonio and Whitewater River drainages, just south of the historic Palm Springs Station, about 1.5 air miles northwest of Windy Point 340 Comment
  UCR88577  Rumex hymenosepalus A. C. Sanders, J. C. Lyman 1995-4-16 16563 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  RSA297046  Rumex salicifolius var. denticulatus John F. Emmel 1974-9-7 531 Riverside Flats along Strawberry Creek, WSW of Idyllwild, San Jacinto Mountains. 1555 Comment
  IRVC28189  Salazaria mexicana Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11258 Riverside Choclate-Chuckwalla Mtns region; W base of the Choclate Mtns, along Gas Line Road in major wash system W of Iris Wash drainage. Within boundary of US Navy Choclate Mtn Aerial Gunnery Range Colorado Desert 570 Comment
  RSA26966  Salazaria mexicana C. L. Hitchcock 1940-4-1 5905 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  UCR16808  Salazaria mexicana S. M. Chambers 1970-5-9 17 Riverside Santa Rosa Mtns., State Hwy 74, c. 4 mi. west of Palm Desert. 457 Comment
  UCR17313  Salazaria mexicana N. R. Zabriskie, W. W. Zabriskie 1972-3-30 504 Riverside San Jacinto Mtns, below Pinyon Crest in Chapman's Rancheros area toward Dos Palmas Spring, NW of Hwy 74. Site 11. 1098 Comment
  CAS-BOT-BC129750  Salix bonplandiana Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-27 268 Riverside Andreas Cany, east slope San Jacinto Mts. 304 Comment
  CAS-BOT-BC103900  Salix exigua F. R. Fosberg 1932-3-13 8082 Riverside Thousand Palms Can., Coachella Valley Comment
  POM2077  Salix exigua I. M. Johnston 1918-5-30 2017 Riverside Temescal Canyon 366 Comment
  SBBG27490  Salix exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside E side of bridge over Santa Ana River, 4.8 km N of Arlington on rd to Pedley, W of Riverside 240 Comment
  SBBG58881  Salix exigua F. R. Fosberg 1932-3-13 8083 Riverside Thousand Palms Cyn Comment
  UCR167974  Salix exigua T. B. Salvato, John F. Green 2004-5-27 654 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
  UCR94250  Salix exigua Scott D. White 1996-4-14 3927 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
  RSA0013520  Salix exigua Joan Stewart 1998-05 696 Riverside Big Morongo Preserve Comment
  RSA0010966  Salix exigua var. exigua Mary F. Spencer 1918-4-7 812 Riverside Palm Springs. 168 Comment
  JOTR31070  Salix exigua var. hindsiana La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2052 Riverside Joshua Tree National Park. Little San Bernardino Mountains; STOP 6: upper portion of Smithwater Canyon, leading to Lower Covington Flats, wide sandy wash Comment
  UCR90952  Salix laevigata Scott D. White 1996-3-16 3827 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  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
  UCR114320  Salix lasiolepis Mitch Provance 1998-3-21 270 Riverside Jurupa Hills, Sunnyslope, near the Ormand Quarry, at the corner of 30th St. and Sierra Ave. 274 Comment
  POM362681  Salix lucida subsp. lasiandra H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside Snow Creek Canyon. 549 Comment
  CAS-BOT-BC125731  Salix nigra Marcus E. Jones 1930-4-2 26030 Riverside Blythe Comment
  RSA450977  Salsola tragus Stephen M. Beckstrom-Sternberg 1985-9-10 1025 Riverside U.C.R. garden plots. Comment
  SDSU12909  Salsola tragus Jutta Buschbom 1991-6-15 29 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
  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
  RSA0094959  Saltugilia australis Steve D. Boyd 1992-4-14 6836 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Western flank of Bluewater Cyn along Bluewater Trail. 341 Comment
  JOTR33924  Saltugilia latimeri La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2815 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  RSA469684  Saltugilia splendens Christopher Davidson 1975-6-16 2813 Riverside 5.4 miles N of Alandale Station on road R1 from Idyllwild to Banning. 1652 Comment
  JOTR16794  Saltugilia splendens subsp. splendens Moore, Sue 1968-5-6 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  RSA0019791  Salvia apiana April Garbat, Kristin Forgrave, Naomi S. Fraga, Tyler Schappe 2013-5-21 72 Riverside Canyon west of San Bernardino National Forest boundary (San Jacinto Ranger District), north over edge from road from Cranston Fire Facility (off Highway 74, aka Florida Ave). Orange Grove Canyon. 618 Comment
  SEINET9361149  Salvia apiana Unknown 2010-4-12 4756 Riverside Herbarium of rancho Santa Ana Botanic Garden/San Bernardino Mountains Region Comment
  RSA291605  Salvia carduacea C. W. Tilforth, Walter Wisura 1979-4-11 1789 Riverside Hills on south side of Lake Skinner, east of Murrieta. 427 Comment
  RSA613157  Salvia carduacea C. Epling, Joseph A. Ewan 1933-06 s.n. Riverside Near Alberhill, Temescal Canyon. Comment
  OBI30185  Salvia columbariae Chris M. Johnson 1970-3-16 65 Riverside On hwy 77 5 mi outside of Corona at Rancho Hermano entrance Comment
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Mar 22 2014
  POM4121  Salvia columbariae M. Alice King 1893-1 s.n. Riverside Menifee. Comment
  RSA0041456  Salvia columbariae Duncan S. Bell, LeRoy Gross 2014-3-20 6277 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  SEINET7972630  Salvia columbariae I. W. Clokey 1935-4-18 6864 Riverside Gavilan Peak. 600 Comment
  UCLA70055  Salvia columbariae O. A. Plunkett 1926-2-22 Riverside Morongo Pass; Colorado Desert 609 Comment
  UCR265829  Salvia columbariae Mitch Provance 2012-5-24 512- 11 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  LA69703  Salvia eremostachya Elizabeth McClintock; 1940-5-26 sn Riverside Dos Palmos Canyon, off Pines to Palms Highway Comment
  RSA580344  Salvia eremostachya L. Haines, L. Erickson 1937-4-10 s.n. Riverside Palms to Pines Hwy near road to Shumway. Comment
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Dec 17 2011
  UCR142874  Salvia eremostachya A. Lee Haines, L. C. Erickson 1937-4-10 s.n. Riverside Santa Rosa/San Jacinto Mtns., Palms-to-Pines Highway near road to Shumway Ranch 1098 Comment
  UCR20099  Salvia eremostachya Jeanine Derby 1976-4-28 s.n. Riverside Santa Rosa/San Jacinto Mountains, [near Dos Palmas Spring] 1159 Comment
  SD113361  Salvia greatae Darley F. Howe 1968-3-17 4494 Riverside Salton Creek between Orocopia Mountains and Chocolate Mountains. 121 Comment
  CSUSB1051  Salvia mellifera Carole Sims 1965-3-14 Riverside Ten yards from edge of highway, seven miles north of Temecula on road to Perris via Romoland. 335 Comment
  RSA524448  Salvia mellifera Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4084 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  UCD166201  Salvia mellifera Jack Major 1962-4-16 766 -a Riverside Along side of road from Banning to Mt. San Jacinto. (Exact location unknown. Coordinates estimated by label maker.) 914 Comment
  VVC296  Salvia mellifera P. J. MacKay 1975-4-12 s.n. Riverside Southern California, Rancho La Sierra, just south of Hwy 91 near Green River Dr. Exit 210 Comment
  POM97987  Salvia mohavensis E. C. Jaeger 1926-3-4 s.n. Riverside Eagle Mountains. 1189 Comment
  CAS-BOT-BC224847  Salvia pachyphylla A. J. Perkins 1915-8-1 s.n. Riverside San Jacinto Mts 2743 Comment
  RSA0123083  Salvia vaseyi Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8976 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA500108  Sambucus mexicana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3663 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  CAS-BOT-BC238859  Sambucus nigra subsp. caerulea H. M. Hall 1901-6-1 2216 Riverside San Jacinto Mountains. Onstatt's Valley 1615 Comment
  UCR160530  Sanicula arguta John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  UCR79221  Sanicula arguta Steve Boyd 1992-4-14 6806 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness. Along Verdugo Trail from Tenaja Tr. to Bluewater Tr. in upper watershed Bluewater Canyon. south of Sitton Peak 854 Comment
  RSA263674  Sanicula crassicaulis E. W. Lathrop 1968-5-22 6922 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  SD63339  Sarcodes sanguinea Walter Birtsch 1957-6-29 958 Riverside Santa Rosa Mountains, Desert Slope of Toro Peak 2660 Comment
  JEPS27436  Sarcostemma cynanchoides subsp. hartwegii W. L. Jepson 1901-5-22 1393 a Riverside Palm Canyon of Mt. San Jacinto; , Palm Canyon Comment
  SD114967  Satureja chandleri Earl W. Lathrop 1966-5-11 6287 Riverside 3.0 miles west of Murrieta on the De Luz Road. Comment
  UCR45939  Satureja chandleri James Henrickson 1972-5-21 7196 A Riverside Santa Ana Mtns., Santa Rosa Plateau, 2 mi. west of Murrieta on slopes up to Santa Rosa Plateau along Tenaja Road 396 Comment
  UCR262269  Schinus molle A. C. Sanders 2006-5-13 32276 Riverside Peninsular Range, 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
  UCR167428  Schismus arabicus John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  UCR281198  Schismus arabicus Michael D. Wilcox 2017-4-18 s.n. Riverside Sonoran (Colorado) Desert, 1 mile long segment of Palm Canyon Wash, centered on Hwy 111 crossing, city of Palm Springs 165 Comment
  UCR108839  Schismus barbatus Heidi A. Haid 1969-4-29 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR228927  Schismus barbatus A. C. Sanders 2011-4-6 39008 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
  UCSB9696  Schismus barbatus Van Leeuwen, Henry 1957-4-13 Riverside US 60 near junction with Cal. 195 Comment
  SBBG119447  Schoenoplectus acutus var. occidentalis A. C. Sanders 2004-5-12 27865 Riverside Walker Cyn at N foot of Alberhill Mtn, Temescal Crk 378 Comment
  UCR57153  Scirpus cernuus Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns, S of town of Murrieta. Mouth of a small SW-draining channel on the SW side of Mesa de Burro Comment
  RSA180426  Scirpus microcarpus E. W. Lathrop 1965-5-7 5715 -B Riverside 5 miles SW of Murrieta on the De Luz Road. Comment
  UCR240997  Scrophularia californica Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 17 Riverside South Coast/Peninsular Range, Riverside, Sycamore Canyon, near the entrance to the park 396 Comment
  SBBG93065  Scutellaria mexicana A. C. Sanders 1989-9-19 9502 Riverside 1.75 km S of Tabaseca Tank, along the wash above "Tabaseca Target"; Chocolate Mtns Aerial Gunnery Range 680 Comment
  RSA571287  Scutellaria tuberosa Steve Boyd, D. L. Banks 1994-4-5 8267 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  UCR151435  Scutellaria tuberosa D. L. Banks 1997-3-5 1704 Riverside Palomar Mtns., Agua Tibia Mtns: Agua Tibia Wilderness Araea. south of Dorland Mtns. just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  RSA40603  Sedum niveum J. C. Roos 1948-8-27 2919 Riverside Santa Roas Mountains, north slope 122 Comment
  SEINET10875856  Selaginella J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12854 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  SEINET7048182  Selaginella bigelovii Steven R. Hill 2001-5-3 33691 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  POM12530  Selaginella eremophila Philip A. Munz 1922-3-12 4713 Riverside Andreas Canyon, Palm Springs. [Santa Rosa Mtns., W margin Colorado Des -SW] Comment
  SEINET7073397  Senecio californicus A. G. Vestal 1963-4-23 s.n. Riverside About 1.6 mile up the Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  POM98008  Senecio californicus E. C. Jaeger 1926-3-27 s.n. Riverside Bautista Valley 1220 Comment
  RSA296172  Senecio douglasii var. monoensis B. A. Prigge 1980-8-5 3874 Riverside Whitewater Canyon, 0.5 mile north of trout farm 732 Comment
  UCR3835  Senecio flaccidus var. douglasii John Minnich 1964-6-5 64-6-5- 01 Riverside Santa Ana Mtns, Hwy 74 610 Comment
  UCR52152  Senecio mohavensis Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2197 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UCSB37919  Senecio vulgaris Roos, John 1967-2-7 Riverside Hemet; in parking lot along a street Comment
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Mar 23 2014
  RSA695427  Senna artemisioides Robert Hamilton 2003-2-6 s.n. Riverside Riverside, vacant field on Monroe St. SE of California Ave. 232 Comment
  SBBG27818  Senna covesii D. Myrick 1964-4-30 830 Riverside Palms to Pines Hwy (St Hwy 74) 1066 Comment
  RSA653580  Sesuvium verrucosum A. C. Sanders, D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23186 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  SD181742  Sesuvium verrucosum Scott D. White 2001-6-29 8633 A Riverside Menifee Valley: Ca. 1.4 mile southwest of the I-215/Newport Rd. Interchange, northwest of the intersection of Holland Rd. and Bradley Rd. 438 Comment
  UCR81547  Sherardia arvensis A. C. Sanders 1994-6-6 14696 Riverside City of Riverside, Mt Vernon Ave. at the RR tracks, NE edge of town near the Box Springs Mtns 357 Comment
  RSA0076308  Sibaropsis hammittii Naomi Fraga, Amber Maurice 2005-4-1 1532 Riverside Elsinore Peak on a grassy knoll about 0.5 miles southeast of Elsinore Peak on the crest of the range, north of the Main Divide Road. 976 Comment
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Apr 28 2020
  LA205901  Sidalcea malviflora W. B. Welch; 1932-5-5 sn Riverside San Jacinto Mountains, Idyllwild and Lily Rock Comment
  SEINET13709268  Sidalcea malviflora J. Adams, J. Adams (Botany) 1966-1 751 Riverside Santa Rosa Plateau, along Dirt Rd from Murrieta to De Luz 2500Ft 762 Comment
  UCR239203  Sidalcea malviflora subsp.