Search Results — 2000 specimen records retrieved (1877 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
  UCSB12  Abies concolor Bobkowski, Jr., Vincent 1960-5-14 Riverside At Black Mountain Camp, San Bernardino National Forest 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-BC229327  Abronia villosa Javier Penalosa 1963-4-10 2774 Riverside Deep Canyon, 3mi. south of Palm Desert 213 Comment
  POM14999  Abronia villosa Mary F. Spencer 1922-3-23 1330 Riverside Mecca, Colorado Desert -49 Comment
  RSA701495  Abronia villosa M. Wall 1996-5-13 133 Riverside Hemet, Ramona Expressway/Mtn Ave. S of State St on W side of road at 7th St. 457 Comment
  SBBG1865  Abronia villosa H. and M. Dearing 1939-4-12 3162 Riverside E of Indio Comment
  UCD109811  Abronia villosa Robert C. Bechtel 1952-3-28 33 Riverside Whitewater. 152 Comment
  UCR42400  Abronia villosa J. M. Stewart 1986-2-24 86- 14 Riverside Sonoran (Colorado) Desert, Coachella Valley, Country Club Drive, 0.6 mi. west of Washington Street, Palm Desert 43 Comment
  RSA461034  Abronia villosa var. aurita H. de Forest 1932-8-28 s.n. Riverside W side San Jacinto Valley. Comment
  RSA776507  Abronia villosa var. aurita Amber Swanson, Duncan S. Bell 2011-3-10 208 Riverside Box canyon, SW side of Mecca Hills 72 Comment
  RSA461196  Abronia villosa var. villosa L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain, Colorado River Comment
Read comments
Mar 22 2011
  UCR227178  Abronia villosa var. villosa Jim Andre 2011-2-2 16201 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  PASA2705  Acacia greggii Stason 1930-3-30 Riverside Painted Canyon Comment
  CAS-BOT-BC30908  Acamptopappus sphaerocephalus Joy Keck 1935-4-14 3837 Riverside Lower Morongo Canyon, Colorado Desert Comment
  CAS-BOT-BC35189  Acamptopappus sphaerocephalus P. A. Munz; Street 1919-5-7 2731 Riverside Tahquitz Canyon 228 Comment
  LA26702  Acamptopappus sphaerocephalus William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  RSA416242  Achillea millefolium E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UC29244  Achillea millefolium H. M. Hall 1901-7-20 2507 Riverside Strawberry Valley; San Jacinto Mts 1615 Comment
  POM365982  Achnatherum hymenoides N. C. Cooper 1945-3-24 1615 Riverside Cabazon. 457 Comment
  RSA707841  Achnatherum hymenoides L. M. Prince, N. Refulio 2002-3-16 2 -272 Riverside Whitewater Canyon. ca. 5 km North of CA Hwy 10 on Whitewater Canyon Road. Flat areas along creek. Comment
  SBBG29382  Achnatherum hymenoides D. Myrick 1968-3-4 1807 Riverside Country Club Rd at E edge of Palm Desert 60 Comment
  UCSB484  Achnatherum speciosum Henry Van Leeuwen 1957-4-13 158 Riverside collected 5.0 mi N along Devil's Garden in road to the Morongo Valley U. S. Highway 60 - Devil's Garden, Morongo Valley, and U. S. Highway 60 Comment
  UCR108719  Achyronychia cooperi Scott D. White, Pam DeVries 1998-2-9 6080 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  UCR126431  Achyronychia cooperi T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 56 Riverside Coachella Valley, 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal 9 Comment
  JOTR35451  Acmispon glaber var. brevialatus Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 55 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  SD119935  Acmispon grandiflorus var. grandiflorus Louis B. Ziegler 1972-5-29 467 Riverside San Jacinto Mountains, west slope along Highway 74. 1341 Comment
  SD232684  Acmispon nevadensis var. davidsonii Scott D. White 1996-8-1 4418 Riverside Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area. Comment
  CAS-BOT-BC22557  Adenophyllum porophylloides P. A. Munz 1932-4-24 12395 Riverside Snow Creek Canyon, San Jacinto Mountains 457 Comment
  JOTR33127  Adenophyllum porophylloides La Doux, Tasha, Mike Bell 2003-10-17 1124 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash, active wash corridor with sandy bottom, surrounded by granitic outcrops and pediments 1310 Comment
  UC667304  Adenophyllum porophylloides Annie M. Alexander and Louise Kellogg 1941-5-15 2181 Riverside in rock outcrop at base Eagle Mountains; Colorado Desert, Eagle Mountains 914 Comment
  UCR234766  Adenostoma fasciculatum A. C. Sanders, John F. Green 2012-6-25 40301 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, benches south of I-15 and east of Horsethief Canyon Rd. 419 Comment
  JEPS44780  Adenostoma sparsifolium Carl V. Meyer 1928-8-2 629 Riverside Chalk Hill Comment
  SBBG27795  Adenostoma sparsifolium D. Myrick 1964-4-29 810 Riverside Pines to Palms Hwy 74, 15 mi E of Hemet 1219 Comment
  RSA612814  Adiantum jordanii Darin L. Banks 1997-3-1 1355 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  UCR158947  Adiantum jordanii Scott D. White 1994-6-14 2053 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  RSA592676  Agave deserti subsp. deserti Scott D. White 1996-7-2 4253 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
  POM306149  Agoseris retrorsa H. J. Ramsey 1937-5-30 1340 Riverside Near water course Comment
  POM162734  Agrostis exarata Ralph Hoffmann 1929-9-8 s.n. Riverside San Jacinto Mountains 1829 Comment
  UCSB37902  Agrostis exarata A. C. Sanders 1980-7-18 # 1668 Riverside collected 2.0 mi SW along Thomas Mountain Rd at Spillway Canyon, in the Thomas Mountains State Highway 74 - Spillway Canyon, State Highway 74 and Thomas Mtn. Rd. 1462 Comment
  UCR2126  Agrostis idahoensis F. M. Reed 1908-7-11 2500 Riverside San Jacinto Mtns., trail to San Jacinto Peak 2927 Comment
  RSA674734  Agrostis pallens Scott D. White, K. Szabo 2000-5-31 7986 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  UCR114744  Ailanthus altissima A. C. Sanders, K. C. Rose 1999-6-18 22801 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave., 1/2 mile south of Rawson Rd. 439 Comment
  UCR220306  Albizia julibrissin Bill Wagner 2005-10-7 s.n. Riverside Peninsular Range; Gavilan Hills Region, Cajalco Flood Control Basin site (proposed, since constructed), at NE corner of El Sobrante Rd. and Cajalco Rd. 447 Comment
  RSA469414  Aliciella latifolia Robert L. Dressler 1949-3-19 400 Riverside Box Canyon, Orocopia Mts. Comment
  SBBG81636  Aliciella latifolia subsp. latifolia S. A. Junak 1983-3-23 1636 Riverside E side of Jefferson Rd, across from entrance to Cahuilla Lake County Park Comment
  JOTR31897  Allionia incarnata La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2146 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash Comment
  RSA763987  Allionia incarnata Justin M. Wood, D. M. Ray 2010-10-21 2992 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  CAS-BOT-BC131986  Allium haematochiton Steve Boyd 1986-4-22 1780 Riverside Gavilan Hills: Summit of Estelle Mountain Comment
  CAS-BOT-BC131987  Allium haematochiton Steve Boyd 1986-4-22 1769 Riverside Temescal Canyon: Terrace escarpment E side of Indian Wash, S of I-15 Comment
  SEINET12049414  Allium hyalinum B. C. Templeton 1930-1 1484 Riverside N of Gavilan[????]? 550 Comment
  RSA771812  Allium peninsulare Steve Boyd 2010-5-23 12276 Riverside Elsinore Peak, fuelbreak near summit, just west of communications towers. 1073 Comment
  UCR251342  Allium peninsulare S. J. Myers 2014-5-21 1053 Riverside Western Edge Sonoran (Colorado) Desert, side canyon ('Toutain Canyon') on east side of Whitewater Canyon 756 Comment
  POM123076  Allium praecox Wilder 1905-04 s.n. Riverside Riverside. Comment
  UCR49258  Allium praecox Steve Boyd 1986-4-2 1625 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA559342  Allophyllum glutinosum Steve Boyd, T. S. Ross 1992-5-15 7400 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 670 Comment
  CAS-BOT-BC170128  Alnus rhombifolia Lewis S. Rose 1945-12-23 45303 Riverside Palm Springs 137 Comment
  RSA770414  Alnus rhombifolia Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4887 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  SD229108  Alnus rhombifolia Dick Schwenkmeyer 2012-6-27 735 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  UCR232359  Amaranthus John F. Green 2008-4-16 0408- 38 Riverside Peninsular Range; Perris-Aguanga Valley, SE edge of Romoland, edge of electrical power station, between Menifee and Palomar roads 446 Comment
  SBBG94678  Amaranthus albus S. D. White 1990-9-25 Riverside Santa Rosa Plateau, ca. 5 mi. (airline) SW of Temecula, on Via Yerba Rd, E of Vaquero Rd; T8S, R 3W, on line between S 22 and 27 374 Comment
  CLARK-A1528-1395  Amaranthus fimbriatus John C. Roos 1963-10-23 Riverside Chuckwalla Mountains Comment
  RSA0078231  Amaranthus fimbriatus Sarah J. De Groot, Duncan S. Bell 2015-9-21 7584 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Along Carrizo Road just north of Highway 74. 1053 Comment
  RSA500136  Amaranthus retroflexus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3674 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  RSA0078222  Amaranthus watsonii Sarah J. De Groot, Amy Rouillard 2015-9-15 7560 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  POM361077  Ambrosia X platyspina Anstruther Davidson 1895-04 2008 Riverside Palm Springs; Colorado Desert. Comment
  UCSB10270  Ambrosia acanthicarpa Ballard 1954-10-30 Riverside 3 miles south of Men's Reform School, (Chino Institute), Chino 198 Comment
  RSA736034  Ambrosia confertiflora Scott D. White, Jamie Minor 2008-3-13 11765 Riverside San Gorgonio Pass: Banning: S of Union Pacific RR, powerline route from Sunset Ave to 1 mile W. 732 Comment
  UCR278879  Ambrosia confertiflora Mitch Provance 2012-7-17 712- 19 Riverside Beaumont Plain, Banning, south of I-10, vicinity of corner of Sunset Ave. and Westward Ave. 741 Comment
  JOTR34211  Ambrosia dumosa Harding, Mitzi, Mark Wheeler 2012-9-4 191 Riverside Joshua Tree National Park. Pinto Basin; near turkey flats parking area; sandy flats (Stop 1) 509 Comment
  UC1539707  Ambrosia dumosa Chas. B. Fiker 1946-4-18 3417 Riverside w side Colorado Desert Comment
Read comments
Mar 23 2014
  UCR178508  Ambrosia dumosa R. G. Swinney 1967-5-26 149 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  RSA0042755  Ambrosia dumosa J. R. Bruff 1928-12-29 401 Riverside Lone Cottonwood Ranch 2 mi S.E. of Dos Palmas Comment
  CAS-BOT-BC30796  Ambrosia ilicifolia Edmund C. Jaeger 1939-2-8 s.n. Riverside 2 miles so of Desert Center on north base of Chuckawalla Mts. 289 Comment
  CLARK-A1528-2032  Ambrosia ilicifolia John C. Roos 1947-1-11 3199 Riverside Chuckwalla Mountains Comment
  POM246589  Ambrosia ilicifolia E. C. Jaeger 1938-8-30 s.n. Riverside Granite Wells Wash, Chuckawalla Mts. Colorado Desert. Alt. 1200 ft 366 Comment
  RSA0008349  Ambrosia pumila R. E. Riefner 1998-9-1 98 -498 Riverside Aguanga, Hwy. 79, Temecula Creek Comment
  JEPS39443  Ambrosia salsola var. salsola I. W. Clokey 1935-4-17 6985 Riverside Cottonwood Springs Comment
Read comments
Oct 9 2010
  UCR93228  Ammannia robusta A. C. Sanders 1994-7-26 15149 Riverside Santa Ana River at the Mission Blvd/7th street Bridge, W foot of Mt. Rubidoux 240 Comment
  SDSU18986  Amsinckia intermedia C. Matt Guilliams, Jeannine Ross 2008-3-12 533 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 428 Comment
  UCR163218  Amsinckia intermedia T. B. Salvato, Kelly Volansky 2003-3-27 135 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  RSA714657  Amsinckia menziesii var. menziesii A. C. Sanders, Guy Bruyea 2004-4-2 27413 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtn., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UC56854 Image available Amsinckia tessellata H. M. Hall 1902-4-7 2761 Riverside vicinity of Perris; ; vicinity of Perris, Riverside Co. 548 Comment
Read comments
Jan 1 2007
  UCR152528  Amsinckia tessellata A. C. Sanders 2005-4-22 29595 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  RSA0091468  Amsinckia tessellata Steve Boyd, Sara Meury, Richard Noyes, Laurel Arnseth, D. Nordin, Tim Ross 1988-3-10 2150 Riverside N. end of Palen Mtns, 2 mi west of Palen Pass. 300 Comment
  LA202849  Amsonia tomentosa C. L. Hitchcock; 1940-3-31 5882 Riverside 0.5 mi. below Cottonwood Springs Comment
  UC218068  Amsonia tomentosa P. A. Munz and I. M. Johnston 1922-5-7 5253 Riverside Little San Bernardino Mts., Keyes Ranch 1066 Comment
  SD68968  Anagallis minima Robert F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37576 Riverside Santa Rosa Plateau: marsh on Mesa de Colorado, Rancho California 671 Comment
  UCR158134  Ancistrocarphus filagineus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30113 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
  RSA761324  Angelica Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 682 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR193969  Angelica tomentosa A. C. Sanders, Mitch Provance 2008-7-11 35815 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  JOTR35463  Anisocoma acaulis Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 64 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop4) Comment
  UC219261  Anisocoma acaulis P. A. Munz and I. M. Johnston 1922-5-19 5418 Riverside Hemet Valley; San Jacinto Mts. 1386 Comment
  UCR159768  Anthemis cotula Scott D. White 1999-5-20 7375 Riverside Peninsular Ranges: Perris-Aguanga Basin region, Perris Basin: Perris / Sun City area. Ethanac Rd., c. 1 mi west of I-215 freeway 442 Comment
  UCR89925  Anthemis cotula Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  SD148268  Anthriscus caucalis A. C. Sanders, Mark Elvin and M. S. Enright 2002-4-16 24958 Riverside The Badlands: Laborde Canyon and adjacent slopes and side canyons, 1.0 mile east of Mt. Eden, southwest of Beaumont. 548 Comment
  CLARK-A1528-839  Antirrhinum coulterianum Ruth Cooper 1968-4-21 Riverside Santa Ana Mountains Comment
  RSA263677  Antirrhinum coulterianum E. W. Lathrop 1968-5-2 6953 Riverside Mian DIvide Truck Trail between El Carriso and San Mateo Canyon. Cleve Nat'l forest 1220 Comment
  UCR162269  Antirrhinum coulterianum 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
  UCR3405  Antirrhinum filipes John Minnich 1964-3-22 64-3-22- 3 Riverside Sonoran (Colorado) Desert, Box Canyon (Calif. Hwy 195), c. 10 mi. east of Mecca 61 Comment
  UC1929734  Antirrhinum kelloggii Scott D. White, Justin Wood 2008-4-3 11788 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. Comment
  RSA444466  Antirrhinum nuttallianum subsp. nuttallianum L. Roos 1966-4-29 s.n. Riverside Hills between March Air Force Base and Lakeview; rocky crevices Comment
  SDSU14193  Antirrhinum nuttallianum subsp. nuttallianum Kristin Andrade, Mike Simpson 2002-4-20 13 Riverside On north side of Santa Margarita river, tenth of a mile from junction of Via Tornado road. Santa Margarita Ecological Reserve Road. 229 Comment
  UCR137564  Apiastrum angustifolium A. C. Sanders 2004-5-5 27772 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR48499  Apium graveolens Steve Boyd 1986-4-22 1728 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  UC455476  Apocynum cannabinum F. M. Reed Riverside Riverside Comment
  RSA740071  Arabis glabra Scott D. White, Justin M. Wood 2008-6-16 12134 Riverside Meadow at Quinn Flat. 1378 Comment
  UCR241188  Arabis glabra Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 515 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  POM184735  Arabis glaucovalvula P. A. Munz, C. L. Hitchcock 1932-4-9 12231 Riverside open flats, White Tanks, eastern Riverside. Comment
  UCR20114  Arabis johnstonii Jeanine Derby 1977-1 s.n. Riverside San Jacinto Mtns., Garner Valley. S exposure on E end of Quinn Flats Comment
  UCR162394  Arabis sparsiflora 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
  RSA552710  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, T. S. Ross 1992-2-21 6666 Riverside Southern Santa Ana Mountains, San Mateo Cyn Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south 701 Comment
  UCR44194  Arctostaphylos glandulosa subsp. glandulosa A. C. Sanders 1986-6-1 6549 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  RSA629391  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Jon E. Keeley, Robert Goar 1992-8-11 19517 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  OBI14747  Arctostaphylos glauca Chris Reed 1968-11-28 108 Riverside 3 mi N of Soboba Reservation on Poppet Flats Rd, Hemet Comment
  RSA631723  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19292 Riverside Highway 79, at Radec. 580 Comment
  RSA631733  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19295 Riverside Highway 79, at Radec. 580 Comment
  RSA631768  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16520 Riverside Red Mountain Road, 1.8 km east of R3. 850 Comment
  RSA631827  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16582 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA631837  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15063 Riverside Highway 79, 3 km east of Temecula Creek. 550 Comment
  RSA632648  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16516 Riverside Red Mountain Road, 1.8 km east of R3. 850 Comment
  RSA0062646  Arctostaphylos glauca Dave Kelley 1949-1-20 s.n. Riverside Bautista Canyon about 7-10 miles east of Hemet. 518 Comment
  RSA633520  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16711 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633530  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20147 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633574  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16677 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633767  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16633 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  UCR269233  Arctostaphylos pringlei A. C. Sanders, T. B. Salvato, Cecile Shohet 2016-2-28 42005 Riverside Peninsular Range; San Jacinto Mtns., Hwy 243 at Indian Vista Point, 0.9 km above (SE of) Lake Fulmor 1657 Comment
  POM367423  Arctostaphylos pringlei subsp. drupacea N. C. Cooper 1944-5-20 1280 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  RSA635640  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16683 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA652425  Arctostaphylos pringlei subsp. drupacea Edward Kai 1970-5-21 s.n. Riverside Idyllwild off Hwy 74. 1524 Comment
  SBBG58398  Arctostaphylos pungens R. Hoffmann 1929-9-6 Riverside Tahquitz Pk Comment
  SD229131  Arctostaphylos pungens Dick Schwenkmeyer 2012-3-26 680 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  UCR95955  Arctostaphylos pungens Scott D. White 1996-8-1 4416 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  CAS-BOT-BC46257  Arctostaphylos rainbowensis A. C. Sanders; Kent Beaman 2002-5-10 25056 Riverside Santa Ana Mtns., Santa Rosa Plateau: hills w. of the head pf De Luz Creek, 0.4 mi. s. of Tenaja Rd. On w. side of Calle 670 Comment
  RSA636027  Arctostaphylos rainbowensis Jon E. Keeley 1992-4-5 15062 Riverside Rainbow Canyon Rd., 2 km south of Pala Rd. 370 Comment
  SD180725  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-9 409 Riverside Santa Margarita Ecological Reserve, on ridgeline above the Santa Margarita River to the south. 299 Comment
  SD236273  Arctostaphylos rainbowensis Annie L. Bustamante 2007-9-6 102 Riverside Peninsular Range - Santa Ana Mountains: Santa Margarita Ecological Reserve; c. 0.7 km west of Highway 15, c. 1 km from Santa Margarita River. Along trail. 602 Comment
  UCR18879  Arenaria douglasii John C. Roos 1952-5-26 5726 Riverside Reche Canyon 427 Comment
  UCR35130  Arenaria macradenia subsp. ferrisiae L. B. Ziegler 1972-6-12 478 Riverside San Jacinto Mtns,, canyon above Kenworthy Ranger Station. 1402 Comment
  UCR252009  Argemone munita A. C. Sanders, T. B. Salvato 2014-7-2 41179 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  POM259946  Argemone munita subsp. argentea P. A. Munz 1940-3-23 15675 Riverside South base of Pinto Mountains, road Dale to Cottonwood Springs 610 Comment
  POM410  Argemone munita subsp. munita L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto Comment
  CAS-BOT-BC401738  Argemone munita subsp. rotundata Winfield 1975-4-27 2363 Riverside Snow Ck. Rd. ~3 mi from Hiway 111 Comment
  RSA0119889  Argyrochosma jonesii Duncan S. Bell, Thomas Stoughton 2016-4-12 9220 Riverside Santa Rosa Mountains; eastern side of Martinez Mountain; in a side canyon off of Martinez Canyon, approximately 3.5 air miles southwest of the junction of Agua Alta Canyon and Martinez Canyon. 861 Comment
  JOTR31976  Aristida adscensionis La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2212 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  UC37469  Aristida adscensionis C. R. Orcutt 1890-4-24 Riverside Colorado Desert Comment
  UCD56418  Aristida adscensionis A. A. Beetle 1942-4-23 3188 Riverside 24 miles north of Blythe, Colorado River. Comment
  UCR251717  Aristida adscensionis Deidre Conocchioli, Sarah J. De Groot 2013-9-18 48 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 23 miles west of Blythe on I-10, Ford Dry Lake exit, Chuckwalla Valley Road 1.5 miles west to near Graham Pass Road 122 Comment
  RSA28051  Aristida adscensionis var. abortiva I. L. Wiggins 1941-3-27 9676 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  VVC1929  Aristida californica var. californica Tim Thomas, PJ MacKay 2008-3-10 4292 Riverside Southern Mojave Desert, Pinto 'dunes' south of Pinto Mountain 530 Comment
  SEINET14214762  Aristida purpurea J. C. Roos 1965-8-15 Riverside Gilman Hot Springs, San Jacinto Valley Comment
  RSA781967  Aristida purpurea var. fendleriana Stephanie Rockwood, Christi Gabriel 2011-11-1 193 Riverside Pallen Dunes Road, Ford Dry Lake area. I10 exit 217. Chuckwalla Valley. 107 Comment
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Sep 10 2016
  UCR260314  Aristida purpurea var. nealleyi A. C. Sanders, Jim Malusa 2015-3-10 41372 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  UCD129231  Artemisia dracunculus Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-11 3708 Riverside Vail Lake area, Wilson Creek at east end of lake. Comment
  UCR91655  Artemisia tridentata D. L. Banks, Steve Boyd 1995-10-26 0836 Riverside NW Palomar Mtns, Agua Tibia Mtns, along the Woodchuck Road, north of Woodchuck Campground; approximately 015 mi from Hwy 79 518 Comment
  SBBG87638  Asclepias californica A. C. Sanders, B. Pitzer 1986-4-30 6488 Riverside head of Bee Cyn along Bee Cyn Rd, 1.7 mi above the mouth of the cyn at the San Jacinto River valley 792 Comment
  UCR138826  Asclepias californica D. L. Banks 1997-2-23 1308 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
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Jan 9 2007
  UCR34991  Asclepias californica L. B. Ziegler 1967-6-27 184 Riverside San Jacinto Mtns, Hemet Valley 1585 Comment
  RSA0027938  Asclepias californica John F. Emmel 1992-5-16 1223 Riverside San Jacinto Mts: Along north shore of Lake Hemet, 1.5 air mi due west of Lake Hemet Store. 1326 Comment
  RSA561893  Asclepias eriocarpa Steve Boyd 1992-6-10 7636 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido , an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04)., At the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 671 Comment
  RSA401230  Asclepias erosa J. S. Stubblefield 1934-9-12 s.n. Riverside Between Desert Center & Blythe. 106 Comment
  UCR35293  Asphodelus fistulosus N. J. Ziegler 1968-4-12 276 Riverside San Jacinto Mtns., foothills of the mountains on the road to Poppet Flats and over one mile from nearest habitation. Above Soboba Indian Reservation 579 Comment
  CAS-BOT-BC177466  Astragalus aridus P. A. Munz; R. D. Harwood 1920-4-2 3393 Riverside Blythe Jct 365 Comment
  CAS-BOT-BC177467  Astragalus aridus Carl B. Wolf 1932-4-28 3078 Riverside Colorado Desert. Chuckwalla Valley. 19 mi. West of Blythe on the Mecca Road 121 Comment
  RSA498248  Astragalus aridus T. S. Clare 1930-4-14 s.n Riverside Salton Sea. [Imperial to Riverside Co] Comment
  RSA782074  Astragalus aridus Duncan S. Bell 2009-3-9 111 Riverside Arica Mountains: east side of mountain range, west side of Rice Valley approximately 2.7 air miles northeast of Priest Well or approximately 3.3 air miles southeast of the ghost town of Rice. 244 Comment
  JEPS48853  Astragalus crotalariae Marjorie D. Clary 1932-3-25 953 Riverside Conchilla Desert Comment
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Sep 14 2011
  RSA617823  Astragalus didymocarpus R. E. Riefner 1998-3-22 98 -187 Riverside Lake Elsinore. Elsinore Trough between Willard and Murrieta Creek. Comment
  UCR174526  Astragalus didymocarpus Brett Hartman 2006-4-28 s.n. Riverside Lake Elsinore 'back basin' on NE side of lake 384 Comment
  CAS-BOT-BC178433  Astragalus douglasii var. parishii Elizabeth McClintock 1965-6-25 s.n. Riverside Top of Santa Rosa Mountain. Comment
  UC126875  Astragalus lentiginosus var. coachellae H. M. Hall 1905-4-14 5757 Riverside Whitewater , Whitewater (Colorado Desert) 240 Comment
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Feb 1 2011
  UCR87985  Astragalus lentiginosus var. coachellae George K. Helmkamp 1994-3-8 41- 11 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  JOTR16676  Astragalus lentiginosus var. variabilis Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. ALONG ROADSIDE TO STUBBE SPRING 1310 Comment
  UC1595797  Astragalus nuttallianus var. imperfectus W. Wisura, J. Dolan, and M. Wall 1992-3-25 4648 Riverside Ford Dry Lake n of I-10 at Hopkins Well; Ford Dry Lake n of Hopkins Well Comment
  UC310838  Astragalus pachypus var. jaegeri Philip A. Munz 1925-5-20 9842 Riverside dry slopes on divide e Dripping Springs; on divide e of Dripping Springs 518 Comment
  CAS-BOT-BC192756  Astragalus palmeri Edmund C. Jaeger 1921-4-13 s.n. Riverside Entrance to Martinez Canon [Canyon], Colorado Desert Comment
  CAS-BOT-BC192757  Astragalus palmeri S. B. Parish 1914-3-30 9096 Riverside San Felipe, Colado Desert Comment
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Aug 6 2019
  JEPS54835  Astragalus palmeri W. L. Jepson 1901-5-22 1345 Riverside Palm Canyon and return to Van Deventer's Ranch 914 Comment
  CAS-BOT-BC192823  Astragalus pomonensis Marcus E. Jones 1903-5-11 s.n. Riverside Banning 701 Comment
  UCR107895  Astragalus pomonensis G. F. Pratt 1997-3-11 s.n. Riverside March Air Force Base, Cactus Ave., c. 1 mi. west of 215 Fwy & south of Assesandro Blvd. 518 Comment
  UCR266482  Astragalus pomonensis Mitch Provance, Eric Kline 2015-3-26 315- 47 Riverside Temecula/Murrieta Region, Murrieta/Menifee boundary, Warm Springs Creek, SE corner of Clinton Keith Rd. and Jeanette Dr. 392 Comment
  SBBG67409  Astragalus preussii var. laxiflorus M. N. Ackley 1928-4-4 565 Riverside Coral Reef Ranch, Coachella Valley Comment
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Mar 16 2012
  POM96857  Astragalus tricarinatus M. French Gilman 1926-5-9 A 3 Riverside Colorado Desert. Morogo Wash. Comment
  UCR107413  Athysanus pusillus B. G. Pitzer 1997-3-23 2965 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
  UC1417534  Atrichoseris platyphylla J. L. Strother 1973-3-23 1155 Riverside route 195 east of Mecca Comment
  UCR148298  Atrichoseris platyphylla John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR166847  Atrichoseris platyphylla Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  UCD97233  Atriplex argentea var. expansa D. E. Bramlet 1989-7-5 1933 Riverside Diamond Valley, just W (NW) of Gateway Farms, 50 - 1000 feet South of Newport Road and 13.500 feet (2.5 miles) W of State Street. 473 Comment
  RSA5457  Atriplex canescens C. B. Wolf 1932-10-13 s.n. Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  CAS-BOT-BC170204  Atriplex canescens subsp. canescens Louis C. Wheeler 1931-11-27 379 Riverside 2 mi. SE Salton Bench Mark 76 Comment
  POM202638  Atriplex canescens var. laciniata W. M. Ingram 1934-10 9 Riverside Caleb Comment
  RSA773114  Atriplex canescens var. laciniata Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks 2010-10-7 673 Riverside Hwy 177. N of Desert Lily Sanctuary. Palen Valley. 274 Comment
  UCR214709  Atriplex canescens var. macilenta A. C. Sanders, Richard Dwerlkotte 2010-3-22 37523 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  UC206814  Atriplex coronata G. R. Vasey 1880-1 549 Riverside San Jacinto Valley Comment
  RSA520928  Atriplex coronata var. notatior D. E. Bramlet 1990-6-13 2034 Riverside Dry duck pnd areas 2km east of davis Rd. and some 600m southeast of the CDFG San Jacinto Wildlife area., The population was found beside a dirt Rd. about 100m NE f an existing dog kennel. 473 Comment
  RSA528049  Atriplex coronata var. notatior D. E. Bramlet, A. Parikh 1990-6-14 2037 Riverside Ca. 6.5 km Sw of Hemet just W of Warren Ave. at Steson Ave. & MWD canal; in cow pasture ca. 400m N of Stetson Ave. 457 Comment
  RSA532567  Atriplex coronata var. notatior D. E. Bramlet 1991-5-7 2117 Riverside San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  RSA736290  Atriplex coronata var. notatior Scott D. White, Justin Wood 2008-5-27 12029 Riverside North bound I-215 freeway corridor, S of San Jacinto River crossing. 431 Comment
  UCR70680  Atriplex coronata var. notatior D. E. Bramlet 1991-6-1 2171 Riverside Perris-Aguanga Basin region, San Jacinto River, c. 1.6 km west of Lakeview & 30-40 m east of the river. c. 170 m north of MWD easement road 473 Comment
  UCR121793  Atriplex davidsonii A. C. Sanders, Carolyn Washburn 2001-4-17 24039 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  CHSC109284  Atriplex glauca R. E. Riefner Jr. 2002-12-2 02 -521 Riverside City of Corona, along Magnolia Ave. off-ramp on SW side of I-15 freeway. UTM: 11S 0450110E 3737033N. 216 Comment
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Aug 4 2013
  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
  RSA24225  Atriplex linearis C. B. Wolf 1941-1-5 s.n. Riverside Colorado Desert, Caleb, (on S.P.R.R. siding) S. of Mecca. -61 Comment
  RSA736766  Atriplex prostrata Scott D. White, Lynn Stafford 2007-7-5 11758 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  SEINET4136176  Atriplex serenana var. davidsonii Steve Boyd 1985-8-7 1116 Riverside Murrieta area, Clinto Kieth Rd., just east of the Bear Creek development golfcourse.; 0 Comment
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Feb 13 2019
  UCR253361  Atriplex serenana var. davidsonii Karyn L. Drennen, Ana Hernandez 2013-3-26 022 Riverside Perris Aguanga Basin, San Jacinto Wildlife Area, 186 meters east of Davis Road, 1.6 kilometers north Ramona Expressway 436 Comment
  SD234362  Atriplex suberecta A. C. Sanders, Mark Elvin 2002-6-18 25113 Riverside NE end of Santa Susana Mtns.: Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park. 327 Comment
  RSA77226  Ayenia compacta F. W. Peirson 1922-4-9 9600 Riverside Andreas Canyon, Palm Springs region 457 Comment
  POM243559  Baccharis brachyphylla E. C. Jaeger 1938-10-21 s.n Riverside Joshua Tree National Monument. 12 miles south of Warrens Well. In rocky gulches. Comment
  SD247312  Baccharis brachyphylla Andy Sanders 2015-9-11 41870 Riverside Sonoran (Colorado) Desert: Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline Road. 646 Comment
  CLARK-A1528-1621  Baccharis emoryi John C. Roos 1951-9-25 5285 Riverside Fairmont Park 259 Comment
  RSA180393  Baccharis emoryi E. W. Lathrop 1965-10-24 6019 Riverside 5 miles W of Murrieta 610 Comment
  RSA486458  Baccharis emoryi Richard Noyes 1988-10-30 758 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  POM318591  Baccharis salicifolia Patricia Wilder 1971-2-4 4920 Riverside Santa Ana River in Prado Park; east of Archibald Ave. 244 Comment
  RSA652565  Baccharis salicifolia Don Fells 1948-2-15 s.n. Riverside 1/3 mile SE from 6th and California, Norco. 228 Comment
  SEINET10616772  Baccharis salicifolia David B. Dunn 1948-1-25 Dunn 3646 Riverside Found in ravine northeast of the top of the grade east of Riverside about 5 miles out. Comment
  SDSU13343  Baccharis salicifolia subsp. salicifolia Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 32 Riverside Santa Margarita Ecological Reserve(SDSU). Near the center of the canyon, west of the pipe line crossing. 239 Comment
  UCR89310  Baccharis salicina Scott D. White 1995-9-22 3684 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  IRVC14322  Baccharis sergiloides L. McHargue 1971-10-23 none Riverside Whitewater Cove: northern shore of the Salton Sea, 6 miles south of Mecca, wet, saline clay loam soil. Sonoran Desert -70 Comment
  UC667321  Baccharis sergiloides Annie M. Alexander and Louise Kellogg 1941-5-23 2229 Riverside Cottonwood Spring Eagle Mts. 883 Comment
  UCR150654  Baccharis sergiloides Bern Schwenn 1994-10-30 s.n. Riverside Mojave Desert, Little San Bernardino Mtns, side canyon on W side of Long Canyon 915 Comment
  CAS-BOT-BC295888  Bahiopsis parishii John Thomas Howell 1927-8-1 2882 Riverside Near T Cross K Ranch, n. Colorado Desert 609 Comment
  RSA20293  Bahiopsis parishii Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9550 Riverside Cottonwood Springs Canyon. Comment
  RSA442010  Bahiopsis parishii Ora M. Clark 1929-3-16 1719 Riverside N. of Whitewater, Colorado. Comment
  SD247313  Bahiopsis parishii Andy Sanders, Jim Malusa 2015-3-9 41367 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, along Gasline Road at major wash crossing 1.9 miles south of Bradshaw Trail, US Navy Chocolate Moutains Aerial Gunnery Range. 671 Comment
  POM8369  Baileya pauciradiata Mary F. Spencer 1920-3-12 216 Riverside Mecca. Colorado Desert -60 Comment
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Sep 7 2011
  POM10321  Baileya pleniradiata Charlotte M. Wilder 1904-11-20 520 Riverside Near Desert Queen Mine, edge of Colorado Desert Comment
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Nov 6 2011
  RSA719072  Baileya pleniradiata Michael Honer 2005-3-18 2094 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  RSA571292  Barbarea orthoceras Steve Boyd, D. L. Banks 1994-4-5 8272 Riverside San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potreto, along the Lucas Canyon Trail. 732 Comment
  RSA1371  Bebbia juncea B. D. Stark 1930-2-21 1468 Riverside Hidden Canyon, near Corona, Santa Ana Mts. Comment
  RSA503405  Bebbia juncea J. D. Olmsted 1962-5-10 3607 Riverside L. Matthews Road ca. 1/2 mi. W of dam 427 Comment
  UCR167806  Bebbia juncea T. B. Salvato, Melissa Clemons 2005-6-23 1311 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  LA35103  Bebbia juncea var. aspera Louis Wheeler; 1952-4-6 sn Riverside Box Canyon Comment
  CAS-BOT-BC75538  Berberis dictyota T. Cass 1975-4-10 1710 Riverside Santa Ana Mountains. 0.75 mile down road parallel to Brown Creek. 914 Comment
  POM14866  Bergia texana H. Baer 1922-11-12 s.n. Riverside San Jacinto River Bed, Near Elsinore Comment
  POM172733  Bernardia incana M. French Gilman 1930-4-6 9 Riverside [Monsen] Canyon, Eagle Mts. Comment
  UCR239929  Bidens frondosa O. F. Clarke 2004-7-5 s.n. Riverside Louis Rubidoux Nature Center at RR bridge, Santa Ana River near Riverside 155 Comment
  UCR71617  Bidens laevis A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11739 Riverside Fairmont Park, along Spring Brook between Lake Evans & the Santa Ana River, Riverside 238 Comment
  UC1929408  Bloomeria crocea Scott D. White 2004-4-26 10240 Riverside San Jacinto Mountain Foothills: Soboba Indian Reservation, Indian Creek Watershed. Comment
  UCR165606  Bloomeria crocea T. B. Salvato, John F. Green 2004-5-27 706 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
  UCR183002  Bloomeria crocea Mitch Provance 2003-5-5 4428 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  RSA278499  Boechera californica John F. Emmel 1977-5-15 560 Riverside Dry Creek, just west of confluence with Coldwater Creek, 1.3 air miles W. of Mountain Center. 1098 Comment
  CAS-BOT-BC13901  Boechera johnstonii Ynez Whilton Winblad 1937-4-23 s.n. Riverside West slope of Mount San Jacinto. Comment
  RSA518278  Boerhavia coccinea A. C. Sanders 1989-9-19 9510 Riverside Chocolate Mtns Aerial Gunnery Range, 1.75 km S of Tabaseca Tank, along the wash above ''Tabaseca Target. 680 Comment
  UCR272129  Boerhavia coulteri Duncan S. Bell 2015-9-30 8681 Riverside Santa Rosa Mountains, Little Pinyon Flat, from Cactus Spring Trail to Horsethief Creek 1246 Comment
  POM246649  Boerhavia triquetra E. C. Jaeger 1938-10-30 s.n. Riverside Granite Wells Wash, Chuckawalla Mts, Colorado Desert. 366 Comment
  RSA0018886  Boerhavia triquetra Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6023 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  CLARK-A1528-3271  Boerhavia wrightii John C. Roos 1937-8-22 14 Riverside Comment
  JOTR29129  Boerhavia wrightii La Doux, Tasha 2005-9-8 1299 Riverside Joshua Tree National Park. Fried Liver Wash 395 Comment
  JOTR32420  Boerhavia wrightii Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 9 Riverside Joshua Tree National Park. Queen Mountains; Intersection of Park Blvd. and Pinto Basin road; Small rocky hills and surrounding drainages 1112 Comment
  UCR232017  Bolboschoenus maritimus subsp. paludosus John F. Green 2008-4-21 02- 03 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and east of Alabaster Loop 450 Comment
  SBBG81715  Bouteloua aristidoides S. A. Junak 1983-3-23 1641 Riverside Berdoo Cyn Rd, 2.4 mi E of Dillon Rd, Little San Bernardino Mtns 411 Comment
  CAS-BOT-BC145638  Bouteloua curtipendula var. caespitosa H. M. Hall 1901-6-1 2138 Riverside San Jacinto Mountains. Santa Rosa Mountains. Coyote Canyon. 1524 Comment
  RSA586770  Boykinia rotundifolia D. L. Banks, Steve Boyd 1995-5-17 0468 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail., At the spring just inside the wilderness boundary in north-central, section 33. 731 Comment
  CLARK-A1528-5381  Brandegea bigelovii John C. Roos 1963-10-23 Riverside Comment
  UC354498  Brandegea bigelovii Edmund C. Jaeger 1925-12-19 Riverside Fish Traps near Mecca 3 Comment
  RSA719245  Brandegea bigelovii Michael Honer, L. Hulse 2004-4-3 1907 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canyon. 610 Comment
  UCR172240  Brassica nigra 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
  CLARK-A1656-707  Brassica tournefortii Theo Glenn 1979-2-16 Riverside San Jacinto Mountains 335 Comment
  UCR243159  Brassica tournefortii LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4295 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  UC574884  Brickellia atractyloides C. Epling and Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino Mountains Comment
  CAS-BOT-BC106340  Brickellia atractyloides var. arguta J. E. Cole 1942-5-19 959 Riverside Ruby Lee Mine, Joshua Tree National Monument 914 Comment
  UCR94934  Brickellia californica Scott D. White 1996-9-22 4527 Riverside Perris Basin, Lakeview Mtns: north of Homeland, along Juniper Flats Road, c. 1.2 road miles north of intersection with State Hwy 74, unnamed drainage channel parallel to the road 500 Comment
  CAS-BOT-BC106189  Brickellia desertorum John C. Roos 1950-10-15 5009 Riverside Dry Morongo Canyon about 1 mile south of Riverside-San Bernardiino County line. 609 Comment
  UC1010240  Brickellia desertorum J. C. Roos 1950-11-25 5026 Riverside dry hills at n end of Perris Blvd., Sunnymead Sunnymead 612 Comment
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Jul 21 2010
  JOTR32320  Brickellia incana 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
  RSA94115  Brickellia incana F. W. Peirson 1928-4-23 7889 Riverside 2.5 miles below cottonwood Springs, Riverside County Comment
  UCR217654  Brodiaea filifolia Karyn L. Drennen, Ana Hernandez 2010-5-12 013 Riverside Santa Ana Mountains foothills, Santa Rosa Plateau, south edge of Mesa de Colorado, 760 m east-southeast of Via Volcano/Avocado Mesa Road intersection, 250 m east of Via Volcano, 50 m north of dirt road 627 Comment
  RSA92586  Brodiaea filifolia J. C. Roos 1952-5-14 5667 Riverside San Jacinto River bottom 1 mile east of Perris. Comment
  SD226182  Brodiaea santarosae Tom Chester, Wayne Armstrong, Kay Madore 2006-6-15 925 Riverside Santa Rosa Plateau Ecological Reserve: Waterline Road, 0.4 km east-southeast of the northernmost high point of the Mesa de Burro 563 Comment
  UCR191211  Brodiaea santarosae Tom Chester, W. P. Armstrong 2006-6-22 934 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau: Avenaloca Mesa; north side of Avocado Mesa Road at La Cuesta Road 750 Comment
  RSA0020379  Bromus Duncan S. Bell, Keir Morse 2013-3-30 4663 Riverside A small hidden spring in an unnamed canyon to the east of Snow Canyon, about 1.8 air miles southwest of Windy Point. 482 Comment
  SD136967  Bromus arenarius Steve Boyd, Tim Ross et al. 1993-5-13 7367 Riverside Southen Santa Ana Mountains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 410 Comment
  RSA92722  Bromus berteroanus J. C. Roos, L. Roos 1952-5-24 5711 Riverside one-year-old burn on hills north of Moreno 518 Comment
  UCR182503  Bromus diandrus Andrea Salzman, Carlos Navarro 2006-4-5 29 Riverside Peninsular Range, Sycamore Canyon park, Riverside, N of Alessandro Blvd. and SW of Box Springs Siding 457 Comment
  RSA179503  Bromus grandis E. W. Lathrop 1960-6-7 4868 Riverside 10 miles west of Murrieta. Redonda Mesa. Comment
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Apr 28 2011
  UCR180345  Bromus hordeaceus Scott D. White, Angelia Carey 2004-4-5 10026 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  RSA678941  Bromus madritensis Scott D. White, Michael Honer 2003-6-3 9485 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  RSA5229  Bromus marginatus C. B. Wolf 1932-8-5 3949 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2622 Comment
  RSA192273  Bromus pseudolaevipes E. W. Lathrop 1966-6-1 6355 Riverside Tenaja Range, Fisherman's Creek Camp. Comment
  UCR41308  Bromus rubens N. M. Fellows 1984-3-20 15 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mtns, 1 mi west of Snow Creek Village 488 Comment
  RSA0013037  Bromus tectorum LeRoy Gross, Caitlin Elam 2013-5-14 6054 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR140292  Bromus tectorum A. C. Sanders 2004-4-9 27460 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UC1930179  Bromus trinii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky, T. S. Ross 2003-4-17 10455 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
  UCR2261  Bromus trinii F. M. Reed 1906-3-17 923 Riverside Riverside: mouth of South fork of Arroyo Tequesquite 335 Comment
  CSUSB1612  Caesalpinia gilliesii Deborah Sullivan 1973-7-12 Riverside Riverside, Glen Avon 243 Comment
  RSA0014313  Caesalpinia virgata Justin M. Wood, J. Miner 2010-4-29 1545 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  RSA405286  Caesalpinia virgata N. Dunn, A. Martin 1932-3-26 s.n Riverside Oasis Comment
  RSA550273  Caesalpinia virgata Walter Wisura, John Dolan, Michael Wall 1992-3-24 4623 Riverside Lowdesert: 6.2 miles NE of Mecca on Box Canyon Road. Comment
  RSA697938  Caesalpinia virgata J. R. Bruff 1927-10-8 1 -M Riverside Thousand Palms. Comment
  RSA87000  Caesalpinia virgata F. W. Peirson 1922-4-11 4426 Riverside Deep Canyon Wash, south side of Coachella Valley 274 Comment
  UC864230  Caesalpinia virgata C. L. Hitchcock 1940-3-29 5850 Riverside ca. 12 mi. e. Indio Comment
  RSA719235  Caesalpinia virgata Michael Honer, L. Hulse 2004-4-3 1918 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of ONeal Canyon. 610 Comment
  UC310280  Calandrinia ambigua Philip A. Munz 1926-1-31 9982 Riverside clay hills w Dos Palmos; Colorado Desert Comment
  RSA180493  Calandrinia ciliata E. W. Lathrop 1960-5-27 5210 Riverside 6 miles west of Murrieta. Comment
  RSA701342  Calandrinia ciliata Michael Wall 1996-5-13 136 Riverside Cherry Valley N of Beaumont Oak Glen Rd, 2.6 mi N of Cherry Valley Blvd, W side of rd. Comment
  UCR225591  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2011-3-29 38883 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor between Byers St. at west end of McLaughlin Rd. and Wheat St. 447 Comment
  CLARK-A1528-3937  Calandrinia ciliata var. menziesii Cameron Duncan 1966-3-9 Riverside 213 Comment
  RSA357151  Callitriche marginata R. F. Thorne 1973-5-23 43847 Riverside Santa Rosa Plateau: Desiccated margin of large vernal pool N side of Mesa de Colorado 609 Comment
  MACF022933  Calocedrus decurrens Trudy R. Ericson 1979-5-28 1018 Riverside 1.6 mi. from intersection of F. S. Rd. opposite Toledo Springs Campground and Thomas Mtn. Loop Road on F. S. Rd., Santa Rosa Mtns. 2072 Comment
  SEINET10816831  Calocedrus decurrens Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-16 Meyer 16 Riverside San Bernardino National Forest. Mix between oak chaparral and pine forest. Next to Lake Fulmor, 17 mi. S on Hwy 243 (off I-10). 1632 Comment
  SEINET10531058  Calocedrus decurrens David B. Dunn, L. S. McClung 1939-10-22 Dunn UMO 46538 Riverside Native tree collected in the vicinity of Idylwild in the San Jacito Mts. 2134 Comment
  CLARK-A1045-77  Calochortus invenustus George K. Helmkamp 1978-5-20 Riverside San Jacinto Mountains Idyllwild 15' Q Comment
  CAS-BOT-BC483420  Calochortus invenustus Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  UCR35292  Calochortus palmeri var. munzii L. B. Ziegler 1969-7-1 387 Riverside San Jacinto Mtns, Meadows of May Valley, Upper Herkey Creek 1616 Comment
  RSA500978  Calochortus splendens Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3125 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  UCR156087  Calochortus splendens T. B. Salvato, Kent Beaman 2005-5-16 808 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
  RSA560840  Calycadenia tenella Steve Boyd 1992-5-4 7182 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA757793  Calycoseris parryi LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4294 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UC68980  Calycoseris wrightii H. M. Hall 1905-4-1 5966 Riverside McCoy Wash Colorado Desert, McCoy Wash 91 Comment
  SBBG35571  Calyptridium monandrum D. Myrick 1966-4-2 1331 Riverside upper end of Aqueduct Rd ca. 10 mi SE of Desert Hot Springs Comment
  SEINET7072824  Calyptridium monandrum A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371 [the Cahiulla Road]. Coordinate datum: WGS84/NAD83. (33? deg. 27' 46" North Latitude, -116? deg. 51' 36" West Longitude, Coordinate datum: NAD27.). Comment
  UCR172759  Calystegia macrostegia Abby Sirulnik, Ian G. Gillespie 2000-5-14 48 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  UCR97460  Calystegia macrostegia A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19887 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  CSUSB671  Calystegia macrostegia subsp. tenuifolia Bill Marks 1971-5-16 Riverside Growing on the side of the road in the Santa Ana Mountains behind Murrietta. Comment
  SDSU13045  Calystegia macrostegia subsp. tenuifolia James C. Dice, Tu Chung 1987-10-19 740 Riverside Along road to Field Station, ca. 0.4 km ENE of Field Station site. T8S, R3W, NW 1/4 of NW 1/4 of section 26. 347 Comment
  UCR115933  Calystegia sepium subsp. binghamiae Mitch Provance, Steve D. Boyd 1999-9-14 1780 Riverside Riverside, Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  UC1184253  Camissonia Peter H. Raven 1958-1-25 11477 Riverside 5.5 mi se Painted Canyon turn-off; Box Canyon Comment
  POM49675  Camissonia bistorta J. D. Abrams 1901-5-20 s.n. Riverside Elsinore. Comment
  RSA559960  Camissonia bistorta Steve Boyd, Orlando Mistretta 1992-4-23 7071 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside Co. line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 243 Comment
  UCR148848  Camissonia bistorta Chet McGaugh 2005-1-6 s.n. Riverside Peninsular Range, east of Lake Skinner, between Calle Jojoba and Cielita, SE of Tucalota Hills and of Benton Rd. 549 Comment
  RSA774989  Camissonia boothii Duncan S. Bell 2011-4-7 2172 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests Well, or approximately 5.2 air miles southwest of the ghost town of Rice. 357 Comment
  CSUSB179  Camissonia brevipes Michael J. Arbaugh 1978-5-27 Riverside Coachella Valley Coachella Valley; 2 miles east of Dillon Road and 1000 Palms Canyon Road intersection, about 5 miles east of 1000 Palms; found on the side of a canyon wall. Comment
  UCR30100  Camissonia brevipes George K. Helmkamp 1983-4-5 483- 38 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  RSA466012  Camissonia brevipes subsp. brevipes Robert M. Perkins, H. de Forest 1937-3-15 386 Riverside Colorado Desert, Desert Center, Along Highway Comment
  RSA248302  Camissonia californica A. M. Alexander, Louise Kellogg 1941-4-22 2058 Riverside Colorado Desert. Morongo Valley Gorge 701 Comment
  RSA682847  Camissonia californica Scott D. White 2003-3-23 8840 Riverside Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  RSA775496  Camissonia californica Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4414 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  UCR85381  Camissonia californica A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16153 Riverside San Jacinto Mtns foothills/Sonoran Desert, Coachella Valley; alluvial fan of Chino Canyon along the Palm Springs tram road, north of the road, 14 telephone poles above Hwy 111/Palm Canyon Dr. 300 Comment
  POM255920  Camissonia cardiophylla C. L. Hitchcock 1940-4-1 5899 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  RSA454741  Camissonia cardiophylla M. B. Dunkle 1935-3-30 4423 Riverside Pinto Basin. Colo. Desert. Comment
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Dec 12 2011
  RSA515202  Camissonia cardiophylla Steve Boyd, Orlando Mistretta 1986-3-13 1476 Riverside West Side Palen Mts: NE of Desert Center; first large canyon at NW tip of western segment of range. Comment
  RSA776689  Camissonia cardiophylla Duncan S. Bell, Amanda Turek 2010-4-10 794 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  SEINET10492047  Camissonia cardiophylla David B. Dunn, Howard Brown 1947-1-12 Dunn 2843 Riverside Pushawalla canyon, indio hills. In dry wash. Comment
  UCR148049  Camissonia claviformis Steve Boyd, Et al. 2004-5-14 11286 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  UCR214868  Camissonia claviformis A. C. Sanders 2010-3-15 37398 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  RSA135288  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-24 11470 Riverside Desert Canyon bottom on road to Cottonwood Springs 4.5 miles north of State Highway 195. Comment
  RSA449209  Camissonia claviformis subsp. aurantiaca Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7817 Riverside West of Indio, 3 miles E of Date Palm Drive. 15 Comment
  UC1122174  Camissonia claviformis subsp. aurantiaca H. S. Yates 1937-3-23 6399 Riverside 2 mi n Palm Springs; San Jacinto Quadrangle Comment
  POM9344  Camissonia claviformis subsp. aurantiaca Mary F. Spencer 1920-4-2 243 Riverside Palm Springs, Colorado Desert. 122 Comment
  POM158464  Camissonia confusa P. A. Munz 1927-5-20 10819 Riverside 10 miles S. of Hemet. Comment
  RSA543898  Camissonia hirtella Steve Boyd 1991-5-20 6271 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  UCR12573  Camissonia hirtella Bill Schultz 1972-4-30 720430- 5 Riverside Santa Ana River bottom, 200 yards west of where power lines make turn where palm trees are west of dump 2 mi south of Mt. Rubidoux 305 Comment
  UCR261215  Camissonia hirtella A. C. Sanders, Katie Young, John Hale 2015-4-22 41596 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  RSA782529  Camissonia ignota A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38374 Riverside Southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg ) of intersection of I-15 and Lake St. 465 Comment
  RSA710938  Camissonia pallida A. C. Sanders, K. C. Rose, James C. Dice, D. Woodard 1995-3-29 16252 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert: San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village. 335 Comment
  RSA33600  Camissonia pallida subsp. pallida N. C. Cooper 1944-4-23 1156 Riverside Cabazon. 457 Comment
  RSA449247  Camissonia pallida subsp. pallida Ora M. Clark 1929-3-16 1726 Riverside N. Whitewater. Comment
  UCR199837  Camissonia refracta Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11283 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  UCR26226  Camissonia refracta John C. Roos 1947-2-15 3266 Riverside Sonoran (Colorado) Desert, Lost Palms Canyon, south face of Eagle Mtns., west of Hayfield Dry Lake 997 Comment
  UCR29257  Camissonia refracta George K. Helmkamp 1983-3-24 383- 2 Riverside Chuckwalla Mtns, E base of the Mtns at Graham Pass Road 427 Comment
  SDSU3407  Camissonia strigulosa H. Wedberg 1958-3-31 201 Riverside 1.8 miles south of Hwy 74 x Hwy 79 in Hemet. Roadside in sandy gravel in cultivated grassy field. Comment
  UCR158276  Camissonia strigulosa A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30124 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
  OBI2635  Camissoniopsis Dieter H. Wilken 1965-6-29 302 Riverside Along County Rte 1 about 3 mi S of Banning, San Jacinto Mts 914 Comment
  SBBG93106  Camissoniopsis bistorta D. Mitchell 1990-4-30 Riverside W side of Sage Rd, ca. 0.5 mi S of intersection with Wilson Valley Rd; T7S, R1E, S32 701 Comment
  UCR277745  Cardamine Mitch Provance 2011-7-29 17039 Riverside Santa Ana River Valley, Santa Ana River Wash, area between Market St. and the 60 Freeway 244 Comment
  UCR181665  Cardamine hirsuta Chet McGaugh 2006-12-12 s.n. Riverside Riverside, Arlington Heights area near Mockingbird Reservoir, Monroe St. at Irving St. 320 Comment
  SD185063  Carex densa A. C. Sanders 2004-4-20 27567 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  RSA740952  Carex praegracilis Scott D. White, Justin M. Wood 2008-6-19 12259 Riverside Meadows at Baldy Mtn. 1585 Comment
  POM122859  Carex sartwelliana Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  RSA682366  Carex sartwelliana Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1700 Riverside Junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  UCR228674  Carex senta Peter F. Zika, Nick Otting 2010-8-3 25243 Riverside Peninsular Ranges; San Jacinto Mountains, vicinity of Willow Creek, San Jacinto Wilderness Area 2550 Comment
  POM230837  Castilleja affinis C. B. Clokey, Bonnie C. Templeton, I. W. Clokey 1930-4-15 4729 Riverside Perris to Gavilan Peak. 600 Comment
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Nov 8 2011
  RSA773659  Castilleja exserta Duncan S. Bell, Joy D. England 2010-5-20 1022 Riverside San Bernardino National Forest: Garner Valley, approximately 1.75 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1361 Comment
  UCR25605  Castilleja exserta John C. Roos 1941-4-19 173 Riverside Peninsular Range, Loma Linda Hills/Box Springs Mtns.; plateau in Reche Canyon 671 Comment
  UCR15991  Castilleja foliolosa M. Wexler 1973-5-13 s.n. Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, 10.18 mi from Orange Co. line on State Route 74, east face of mountains 457 Comment
  UCR178005  Castilleja foliolosa S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR91591  Castilleja foliolosa D. L. Banks 1995-4-11 0181 Riverside Agua Tibia Mtns. Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, along the Dripping Springs Trail. 780 Comment
  JEPS10957  Castilleja miniata Carl V. Meyer 1928-7-30 584 Riverside Saunders Meadow; San Jacinto Mts. 1676 Comment
  UCR193419  Castilleja minor subsp. spiralis A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35630 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  CHSC8112  Castilleja plagiotoma Edward L. Smith 1958-3-6 349 Riverside Located in Coldwater Canyon, Glen Ivy. On Temescal Canyon road. Santa Ana Mt. range. 762 Comment
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Mar 7 2007
  UC75765  Caulanthus heterophyllus Miss M. Alice King March, 1893 Riverside bet. Elsinore and Menifee; bet. Elsinore and Menifee Comment
  UCR86328  Caulanthus heterophyllus Karin Cleary 1992-4-6 117 Riverside near top of ridge west of California St., [Reinhardt Canyon] Hemet 610 Comment
  SBBG2587  Caulanthus lasiophyllus H. and M. Dearing 1936-12-12 507 Riverside N of Indio Comment
  RSA564042  Caulanthus lasiophyllus var. rigidus D. Bramlet 1993-4-13 2323 a Riverside Approxiamtely 61m S of the existing Lake Mathews access road, some 549m N of Cajalco road, in the Cajalco bend area. The site is 1.2km W of Lake Mathews Drive. Comment
  UC64615  Caulanthus simulans H. M. Hall May 17, 1901-Jun 1, 1901 Riverside Coahuilla , summit Nigger Jim Hill 1524 Comment
  RSA228829  Ceanothus crassifolius Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 593 Riverside Cleveland National Forest; 8.5 miles south of Lake Elsinore along Forest Route 6S08. Comment
  RSA575067  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -L 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
  SEINET13945805 Image available Ceanothus crassifolius Scott D. White 1996-1 3873 Riverside Bundy Cyn, SE of Lk Elsinore. About 1 road mile (-+0.2 mi) E. of Bundy Cyn Rd exit from 1-15 freeway; USGS Lake Elsinore 7.5'topo map. 1480 ft elev. (450m),+- 40 ft. S of rd along mapped intermittent blueline stream. 33 deg. 371/2'N, 117 deg. 15'W. T6S, R4W, NW1/4 of NW1/4 of S25. 450 Comment
  UCR142208  Ceanothus crassifolius June Latting 1979-4-1 s.n. Riverside Box Springs Mountain 915 Comment
  UCR16498  Ceanothus crassifolius S. R. Szarek 1971-3-26 s.n. Riverside Peninsular Range/Santa Ana Mtns, Elsinore, alongside Hwy 74, 2 mi from Riverside-Orange county line Comment
  CHSC110684  Ceanothus crassifolius var. crassifolius Dean Wm. Taylor 2003-5-7 18531 Riverside Lakeview Mountains, 0.4 air miles SSE of Nuevo Benchmark, under electrical transmission line corridor. 624 Comment
  SBBG54813  Ceanothus crassifolius var. crassifolius D. Keil, M. McLeod 1979-3-18 12915 Riverside ca. 6 mi E of Interstate 15, along St Hwy 79, in Pauba Valley area Comment
  RSA0019578  Ceanothus cuneatus var. cuneatus Bill Wagner 1989-3-31 s.n. Riverside Approx. 9 mi SW of Anza, on the W side of Hwy 371. 976 Comment
  SD225087  Ceanothus cuneatus var. cuneatus Scott D. White, Shelton Dowthit & Conservancy volunteers 1996-3-31 3851 Riverside Lk Skinner Area: Riverside Land Conservancy conservation easement site, about 1/2 air mi S of the reservoir, near East Benton Road. 518 Comment
  RSA645609  Ceanothus greggii Scott D. White, Steve Ogg 1994-4-21 1973 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  POM254877  Ceanothus integerrimus W. Pequegnat 1940-5-17 s.n. Riverside Bear Springs. 1311 Comment
  POM49159  Ceanothus leucodermis P. A. Munz 1924-5-18 8144 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  RSA674954  Ceanothus oliganthus Scott D. White, Teresa Salvato 2001-6-8 8566 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCD112315  Ceanothus oliganthus var. sorediatus Dave Hawks 1987-3-2 s.n. Riverside S of Hemet, intersection of Palm Ave. and Saddle Ridge Trail. 472 Comment
  HSC90191  Ceanothus ophiochilus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3097 Riverside Vail Lake area, 1 mi. W of lake 610 Comment
  CAS-BOT-BC167233  Ceanothus palmeri Abby Sirulnik 2000-5-7 39 Riverside Peninsular Ranges; San Jacinto Mtns.: CA Hwy 243, ca. 6 mi. S of Poppet Flat Road 1646 Comment
  CAS-BOT-BC63466  Ceanothus palmeri Carl B. Wolf 1941-8-12 11142 Riverside San Jacinto Mts. 3.5 mi. nw. Idylwild on Dark Canyon Rd. 1645 Comment
  SBBG28515  Ceanothus palmeri N. C. Cooper 1944-6-17 1416 Riverside above Banning 975 Comment
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Jul 7 2010
  SD42462  Ceanothus palmeri Carl B. Wolf 1941-8-12 11145 Riverside San Jacinto Mts. Keen Camp Cummit, Between Keen Camp P. O. & Hemet Valley 1493 Comment
  UC774793  Ceanothus palmeri Carl B. Wolf 1941-8-12 11145 Riverside between Keen Camp P.O. and Hemet Valley (Keen Camp Summit); San Jacinto Mts. 1493 Comment
  CAS-BOT-BC51921  Ceanothus perplexans Paul F. Covel 1938-4-21 1175 Riverside On grade bet. Idyllwild - Hemet Comment
  RSA0124024  Ceanothus perplexans Duncan S. Bell, Thomas Stoughton 2016-4-14 9299 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  UC1608220  Ceanothus tomentosus Steve Boyd 1992-4-14 6805 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak; N end Oak Flats ares. 792 Comment
  UCR269223  Ceanothus vestitus T. B. Salvato, Arlee Montalvo 2015-8-22 8239 Riverside San Jacinto Mountains, Apple Canyon Road, 1.35 air miles northeast of its junction with Hwy 74 1418 Comment
  UCR224856  Cenchrus ciliaris Chris McDonald 2010-6-8 s.n. Riverside Sonoran (Colorado) Desert, Indio, on Indio Blvd. 0.14 km east of Burr St. on south side of street, between Burr and Madison streets 12 Comment
  CAS-BOT-BC277182  Centaurea X pouzinii R. M. Howie No date on label s.n. Riverside Fuller Rancho, Corona Comment
  CDA7290  Centaurea X pouzinii F. J. Willmarth 1960-6-2 Riverside Old Fuller Rancho, near Corona. 0 Comment
  RSA500126  Centaurea melitensis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3685 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  UCR20322  Centaurea repens John C. Roos 1947-7-5 2908 Riverside junction of San Timoteo and Live Oak Creeks 459 Comment
  UCR199743  Centaurea solstitialis Scott D. White, Justin Wood 2008-5-29 12043 Riverside Beaumont Badlands, West of Beaumont, near SR-60 crossing over San Timoteo Creek 671 Comment
  CLARK-A1528-2946  Centaurium venustum John C. Roos 1952-6-13 5766 Riverside Reche Canyon 457 Comment
  RSA644312  Centaurium venustum Scott D. White 1995-6-29 3401 Riverside Murrieta area (Santa Ana Mtn. foothills). Cole Creek, NW of Murrieta, just upstream from Murrieta Ck. confluence. [coordinates are from the label and map incorrectly] 351 Comment
  UC774537  Centaurium venustum Carl B. Wolf 1941-6-27 10897 Riverside 3.3 mi e Orange County line (Ortega Highway); Santa Ana Mts. 579 Comment
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Sep 18 2011
  UCR130713  Centaurium venustum George K. Helmkamp, E. A. Helmkamp 1998-6-27 4079 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
  POM29669  Cercidium floridum Marcus E. Jones 1906-4-27 sn Riverside Indio. Comment
  POM48331  Cercocarpus betuloides E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  CAS-BOT-BC276389  Chaenactis carphoclinia Geo. B. Grant 1906-4-20 s.n. Riverside Palm Springs Comment
  CDA7360  Chaenactis carphoclinia G. D. Barbe, T. C. Fuller 1973-2-27 1058 Riverside 1.3 miles east of Coachella Canal on Highway 195, Box Canyon Wash, east of Mecca. 0 Comment
  RSA676119  Chaenactis carphoclinia Scott D. White 2001-4-3 8221 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SBBG104630  Chaenactis carphoclinia T. Glenn 1991-4-30 91 -60 Riverside McCoy Mtns, NW of Blythe; T5S, R 20E, S19 170 Comment
  UCD130227  Chaenactis carphoclinia P. C. Everett; E. K. Balls 1958-4-29 23012 Riverside U.S. Highway 60/70, Indio to Blythe, 6.5 miles east from junction with U.S. Hwy. 99. 243 Comment
  UCD130237  Chaenactis carphoclinia B. Pitzer 1998-1-24 3406 Riverside N foot of Chuckwalla Mts, Eagle Mtn Rd on S side of Hwy I-10, ca. 0.8 mi. S of Hwy at powerline rd, and wash directly south of road. 500 Comment
  UCR167469  Chaenactis carphoclinia 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
  JEPS24882  Chaenactis carphoclinia var. carphoclinia Peter M. Ray 1949-3-12 1380 Riverside Painted Canyon Orocopia Mountains Comment
  RSA731020  Chaenactis carphoclinia var. carphoclinia Michael Wall 2008-4-26 451 Riverside Chuckwalla Mountains; Corn Springs wash at Corn Springs Rd. crossing ca. 8.0 miles SW of Chuckwalla Rd. 435 Comment
  RSA777827  Chaenactis carphoclinia var. carphoclinia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 858 Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE 396 Comment
  CAS-BOT-BC276916  Chaenactis fremontii Ivan Johnston 1917-4-4 1064 Riverside Mouth of Andreas Canyon 228 Comment
  CAS-BOT-BC276917  Chaenactis fremontii Geo. B. Grant 1906-4-20 6708 Riverside Palm Springs Comment
  CAS-BOT-BC276928  Chaenactis fremontii G. B. Grant 1906-4-20 6708 Riverside Palm Springs Comment
  JOTR38681  Chaenactis fremontii Hodges, Stephen R. 2017-2-7 697 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  POM6061  Chaenactis fremontii I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canyon, near Palm Springs. 229 Comment
  SBBG7873  Chaenactis fremontii C. H. Muller 1952-4-6 9510 Riverside Pinto Basin, Joshua Tree Nat Monument Comment
  UC572543  Chaenactis fremontii H. S. Yates 1937-3-23 6395 Riverside 2 mi n of Palm Springs; San Jacinto 213 Comment
  RSA700020  Chaenactis glabriuscula Scott D. White, Michael Honer 2003-4-25 9105 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  SEINET7063219  Chaenactis glabriuscula A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  CLARK-A1528-185  Chaenactis glabriuscula var. curta C. M. Flanagan 1973-4-14 OO 101 Riverside Sunnymead 579 Comment
  RSA559422  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1992-4-15 6879 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  UC185535  Chaenactis glabriuscula var. glabriuscula Katharine Brandegee 1905-5-12 Riverside near Riverside (Wilder's) Comment
  UCR102873  Chaenactis glabriuscula var. glabriuscula A. C. Sanders 1997-3-26 20118 Riverside Lake Skinner area, NW foot of the Tucalota Hills, 0.2 mi. east of main Skinner entrance road on a dirt service road 473 Comment
  CAS-BOT-BC284339  Chaenactis stevioides A. C. Sanders 1992-4-5 12161 Riverside Chuckwalla Valley near Wiley's Well rest area on I-10, along dirt road to McCoy Spring, Colorado Desert 121 Comment
  POM351831  Chaenactis stevioides var. stevioides D. A. Young 1969-4-18 p 426 Riverside 3 mi SE of hwy 74 (approx 8 mi S of Palm Desert) near the fence of the Univ. of Riverside Deep Canyon Research Station. 366 Comment
  RSA0078223  Chamaesyce abramsiana Sarah J. De Groot, Amy Rouillard 2015-9-15 7561 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  JEPS51882  Chamaesyce albomarginata W. L. Jepson 1901-5-17 1209 Riverside mesas e Riverside 266 Comment
  RSA435981  Chamaesyce albomarginata N. C. Cooper 1944-7-15 1576 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  RSA781417  Chamaesyce polycarpa Duncan S. Bell 2011-10-22 2997 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  SEINET3071823  Chamaesyce polycarpa Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17504 Riverside West of Palen Pass quadrangle, zone 11 0663470mE 3753470mN NAD83, Palen Valley, along Palen Pass Road, 17km west of Palen Pass, 67km WNW of Blythe, 27km NNE of Desert Center 175 Comment
  UCSB3600  Chamaesyce polycarpa Kamb, Peter 1948-4-11 Riverside Aqueduct Road 5 mi. east of Garnet, Coachella Valley 30 Comment
  RSA770638  Chamaesyce polycarpa var. hirtella R. F. Thorne, M. Z. Thorne 1973-3-30 42694 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  HSC990  Cheilanthes covillei W. R. Supernaugh, Jr. 1964-12-21 17 Riverside Joshua Tree Nat'l Mon. 1 mi. S of Jumbo Rocks Campground at old ground observation post 1372 Comment
  CAS-BOT-BC70297  Cheilanthes newberryi E. W. Lathrop 1965-4-26 5695 Riverside 4 miles southwest of Murrieta Comment
  CAS-BOT-BC70336  Cheilanthes parryi Milo S. Baker 1928-4-3 3292 a Riverside Palm Canyon Comment
  JOTR33755  Cheilanthes parryi La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2753 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy wash in wide canyon that feeds southwest into Wilson Canyon, with gneiss outcrops on either side (Stop 5) Comment
  POM276887  Cheilanthes parryi Lyman Benson 1945-4-6 11654 Riverside Whitewater Canyon, 3 miles above Whitewater. 427 Comment
  RSA685805  Cheilanthes parryi N. R. Zabriskie, W. M. Zabriskie 1971-3-7 349 Riverside Andreas Canyon watershed. 366 Comment
  RSA685826  Cheilanthes parryi P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs Comment
  UC399593  Cheilanthes parryi S. B. Parish 1907-4-18 6113 Riverside Palm Springs; Colorado Desert Comment
  UC494456  Cheilanthes parryi Philip A. Munz 1932-5-14 11987 Riverside Deep Canyon; Coachella Valley 91 Comment
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Feb 3 2013
  POM299277  Cheilanthes viscida A. M. Alexander, Louise Kellogg 1941-5-21 2214 Riverside Colorado Desert: bed of canyon near its mouth, north slope of Eagle Mountains. 1159 Comment
  UCR91552  Cheilanthes viscida A. C. Sanders, G. K. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15904 Riverside San Jacinto Mtns/Colorado Desert, Chino Canyon near Palm Springs, along the loop rd just below the lower tram station 793 Comment
  SD254593  Chenopodium Jordan Zylstra 2014-8-4 14020 Riverside San Jacinto Mountains: Fobes Canyon wash, adjacent to Fobes Ranch Road (Palm View Peak 7.5'Q) 1483 Comment
  POM10387  Chenopodium ambrosioides F. M. Reed 1904-1 15 Riverside Riverside Comment
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Jul 4 2010
  IRVC26892  Chenopodium berlandieri A. C. Sanders, T. B. Salvato 2000-5-30 23435 Riverside S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake Menifee Valley 439 Comment
  RSA654967  Chenopodium berlandieri A. C. Sanders, D. Malueg, K. D. Jones, et al. 2000-9-8 s.n. Riverside Perris-Aguanga Basin Region: gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, S of Scott Rd. 415 Comment
  UCR109477  Chenopodium berlandieri var. sinuatum A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19654 Riverside San Bernardino Mtns., Whitewater Canyon, just below the fish hatchery 648 Comment
  UCR114616  Chenopodium berlandieri var. zschackei Mitch Provance 2000-9-1 2223 B Riverside Juupa Mtns., Belltown/Rubidoux area, along the RR tracks on the E side of Rubidoux Blvd at the SW side of Crestmore Hill (Riverside Cement Company). 274 Comment
  SEINET10904483  Chenopodium incanum Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-13 Dietrich 32 Riverside 7.5 miles south of North Shore on State Highway 111. Along highway on east shore of Salton Sea. Sandy beach soil with creosote bush common. 40 Comment
  RSA334988  Chenopodium murale Steve Boyd 1985-7-23 1012 Riverside De Luz Rd., 7.6 mi. west of Rancho California. 335 Comment
  RSA356894  Chilopsis linearis R. F. Thorne 1966-10-15 41786 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Hwy. Comment
  UCR16157  Chilopsis linearis J. N. Bullock 1970-5-8 P 17 Riverside Western Colorado Desert, 100 meters SE of Calif. State Hwy 195, 8.9 m. E. of the ['All American'] Coachella Canal 293 Comment
  UCR47323  Chilopsis linearis B. G. Pitzer, J. L. Hall, H. P. Hall 1987-5-23 0565 Riverside San Bernardino Mtns., Whitewater Canyon, c. 0.25-0.50 mi north of Trout Farm, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road. 732 Comment
  UCSB50619  Chilopsis linearis Millett, Barbara 1980-5-18 Riverside Corn Springs Wash, Corn Springs Road, 8 miles southwest of junction with Chuckwalla Road 457 Comment
  LA99447  Chilopsis linearis subsp. arcuata Hisao P. Arai; 1957-4-18 sn Riverside Box Canyon, near Mecca; off Highway 195 Comment
  RSA247963  Chilopsis linearis subsp. arcuata R. F. Thorne, S. T. Blake 1965-6-1 34714 Riverside Morongo Valley pass 488 Comment
  SBBG92381  Chloracantha spinosa G. K. Helmkamp 1989-9-16 s.n. Riverside ca. 0.5 mi S of Interstate 8, W of Blythe at Seeley Rd and St Hwy 78 75 Comment
  RSA727605  Chloris virgata R. E. Riefner 2006-9-19 06 -447 Riverside Peninsular Range: Temecula Valley, along I-15 Freeway near Temecula Creek. 301 Comment
  SEINET3926090  Chloris virgata Carl B. Wolf 1932-4-28 3071 Riverside Colorado Desert. Chuckwalla Valley. 20 mi. west of Blythe on the Mecca Road.; 0 400 Comment
  RSA519215  Chlorogalum pomeridianum M. Lee Overholtzer 1962-7-4 290 Riverside North end of Cleveland National Forest, Santa Ana Mountains, Santa Ana River Drainage Area. Alt. 4300 ft. 1311 Comment
  RSA796015  Chorizanthe brevicornu Duncan S. Bell 2009-4-18 249 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 Comment
  CAS-BOT-BC191708  Chorizanthe brevicornu var. brevicornu L. R. Abrams 1926-3-26 11016 Riverside Palm Springs Comment
  UCR136188  Chorizanthe coriacea Virginia Moran 2003-5-23 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 700 Comment
  UCR234290  Chorizanthe coriacea A. C. Sanders, John F. Green 2012-4-6 40014 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along Temescal Cyn. Rd., between Campbell Ranch Rd. and Glen Ivy Electrical Substation, west of I-15 Fwy, c. 10 miles south of Corona 327 Comment
  UCR97471  Chorizanthe coriacea B. G. Pitzer 1997-3-23 2979 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
  POM147639  Chorizanthe corrugata F. M. Reed 1927-3-20 5477 Riverside Salt Creek Wash. Comment
  UC1543904  Chorizanthe fimbriata var. laciniata Barbara Ertter with Jeffrey L. Strachan 1980-5-22 3489 Riverside hills on e side Dripping Springs Campground (Cleveland National Forest near Highway 79 between Aguanga and Temecula, n of Wild Horse Park); Cleveland National Forest, n of Wild Horse Park 609 Comment
  SD134411  Chorizanthe leptotheca Craig Reiser 1990-5-31 Riverside Vail Lake Comment
  SD137670  Chorizanthe leptotheca Darin L. Banks, Peter Morrell 1995-5-4 312 Riverside Cleveland National Forest, north of Agua Tibia Wilderness Area, north slope of Agua Tibia Mtn., east of Dripping Springs Alcove Area, SE of Dripping Springs Campground, on arkose hills at north base of medasedimentary hills north of Wildhorse Peak 536 Comment
  SD262352  Chorizanthe leptotheca Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417 65 Riverside Temescal Valley: Indian Wash, SW of I-15, S sie of De Palma Rd. 700-1100 ft WNW of inter. with Glen Eden Rd (Aberhill 7.5'Q) Habitat steadily encroached upon by enormous debris piles from the south since 2011. 366 Comment
  UCR19068  Chorizanthe leptotheca John C. Roos 1952-6-8 5748 Riverside Reche Canyon 549 Comment
  CAS-BOT-BC252785  Chorizanthe parryi var. parryi Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  SBBG37953  Chorizanthe parryi var. parryi T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  UCR217504  Chorizanthe parryi var. parryi Jeff B. Galvin, Diane Menuz 2008-4-20 15 Riverside Perris-Aguanga Basin, Lake Skinner area, east of Rawson Cyn and north of Black Mtn 650 Comment
  SBBG101663  Chorizanthe polygonoides var. longispina S. Boyd 1991-5-20 6265 Riverside Temescal Cyn, S flank of Alberhill Mtn, W end adjacent to old clay mine area 426 Comment
  UCR189564  Chorizanthe polygonoides var. longispina Diane Menuz 2006-4-20 34 Riverside Peninsular Range; Santa Ana Mountains, Elsinore Peak; c. 3 mi south of Lake Elsinore. Next to tower off dirt road 1050 Comment
  RSA674745  Chorizanthe procumbens Scott D. White, T. B. Salvato 2001-6-8 8588 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  JOTR35338  Chorizanthe rigida Harding, Mitzi, Mark Wheeler 2012-2-28 104 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; high saddle along wide ridge (Stop 3) 463 Comment
  RSA795931  Chorizanthe rigida Duncan S. Bell 2009-4-19 266 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCR611  Chrysolepis sempervirens S. C. Warner 1956-5-20 s.n. Riverside San Jacinto Mtns., 1.5 mi. above Marion Mountain Camp along the trail to San Jacinto Peak 2561 Comment
  UCSB1020  Chrysolepis sempervirens White, Arthur 1960-5-14 Riverside Black Mountain lookout, 15 mi. N. of Idyllwild 2133 Comment
  UCR50298  Chrysopsis villosa B. G. Pitzer, J. L. Hall, H. P. Hall 1987-5-23 0567 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
  POM184189  Chrysothamnus paniculatus M. French Gilman 1932-11-30 5 Riverside Cabazon Comment
  POM352020  Chrysothamnus paniculatus E. Crow 1928-11-12 88 Riverside Morongo Pass, Colorado Desert Comment
  UCR279518  Chylismia brevipes A. C. Sanders, Jim Malusa 2017-3-27 43118 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  SFV21806  Chylismia claviformis A. M. Hodges 2010-3-28 s. n. Riverside Sonoran Desert Salton Sea, Mecca Beach. -67 Comment
  CAS-BOT-BC160586  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-1-24 11437 Riverside On desert alluvial fan of Fargo Canyon Comment
  CAS-BOT-BC160587  Chylismia claviformis subsp. aurantiaca L. R. Abrams 1926-3-26 11092 Riverside Between Edom and Garnet east of San Gorgonio Pass Comment
  UC1186511  Chylismia claviformis subsp. aurantiaca E. G. Linsley and J. W. MacSwain 1960-3-2 60 -9 Riverside 2 mi w Desert Center Comment
  UC68521  Chylismia claviformis subsp. aurantiaca H. M. Hall Apr. 1905 5835 Riverside near Mecca; Colorado Desert -30 Comment
  SBBG61420  Chylismia walkeri subsp. tortilis M. N. Ackley -Mar-1928 762 Riverside between Indio and Palm Springs 60 Comment
  UC1543178  Cirsium scariosum Donald G. Nelson 1936-5-24 418 Riverside just n Hurkey Creek Camp (near earthen ditch carrying water to the dude ranch across the stream, on Pines to Palms Highway, San Jacinto Mts. e slope, just <?> of Lake Hemet. . .); San Jacinto Mts. Comment
  UCR202602  Cirsium vulgare Scott D. White, Justin M. Wood 2008-7-9 12410 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  RSA336196  Cistanthe monandra R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52016 Riverside Chino Canyon Comment
  UCR133429  Clarkia dudleyana Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 206 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  UCR275200  Clarkia purpurea T. B. Salvato, Gregg Miller 2005-6-7 1454 Riverside Peninsular Range, Gavilan Hills, along dirt road E of Lindell (Stovepipe) Road, W of El Toro Road, and ca 4.5 mi NW of Lake Elsinore 671 Comment
  RSA503426  Clarkia purpurea subsp. quadrivulnera J. D. Olmsted 1962-5-10 3668 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  UCR16350  Clarkia similis M. Wexler 1973-5-13 s.n. Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, 10.18 mi from Orange Co. line on State Route 74, east face of mountains 457 Comment
  CLARK-A1528-648  Clarkia unguiculata Frank Ambrey 1959-4-26 Riverside Riverside Comment
  SD187464  Claytonia parviflora subsp. parviflora Scott D. White, Angelia Carey 2004-4-16 10182 Riverside San Jacinto Mountain foothills; Indian Creek and adjacent slopes 548 Comment
  UCR5925  Clematis lasiantha K. T. Seng 1966-4-13 660413- 9 Riverside Santa Ana Mtns, NE slope of Santa Ana Mountain, end of Main Street, 4 mi. from downtown Corona 457 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
  RSA552742  Clematis pauciflora Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-2-25 6674 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 and 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  RSA650744  Cleome isomeris R. J. Silva 1949-2-15 s.n. Riverside Found 15 mi. east of Beaumont. 716 Comment
  SBBG6850  Collinsia bartsiifolia var. davidsonii H. and M. Dearing 1939-4-6 3098 Riverside near Aguanga Comment
  RSA408265  Collinsia heterophylla Anstruther Davidson s.n. Riverside Corona Comment
  CLARK-A1045-343  Collinsia heterophylla var. austromontana George K. Helmkamp 1978-4-30 Riverside Riverside Picnic Hill; Riverside E 7.5'Q Comment
  JEPS122477  Collomia grandiflora J. M. Andre 2012-6-15 30528 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
  RSA331892  Commelina erecta Steve Morgan 1984-7-17 s.n. Riverside University of California, Riverside Botanic Garden. Comment
  SD119920  Convolvulus arvensis Louis B. Ziegler 1977-6-6 568 Riverside San Jacinto Valley. 470 Comment
  RSA543137  Convolvulus simulans Steve Boyd, Timothy S. Ross, Hammitt 1991-5-2 6126 Riverside Vail Lake region, summit of Oak Mountain, N of lake near Henderson benchmark. 823 Comment
  UCR98857  Convolvulus simulans A. C. Sanders, G. Helmkamp 1997-3-15 19998 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  RSA0010994  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Colleen Wheeler 2010-7-19 1625 Riverside San Bernardino National Forest: Garner Valley, trail to Tool Box Spring, approximately 3.1 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1440 Comment
  JOTR29553  Coreopsis bigelovii Andre, Jim, Tasha LaDoux 2006-4-11 6742 Riverside Joshua Tree National Park. Lost Horse Employee Campground 1285 Comment
  RSA643671  Coreopsis bigelovii A. C. Sanders 1995-4-13 16489 Riverside San Bernardino Mountains/ Colorado Desert: Devil's Garden, E end of mountains, 2.1 miles W of Highway 62 on Pierson Ave. & dirt extension, 1.7 mile above Sierra Blvd. 701 Comment
  POM13299  Coreopsis californica E. C. Jaeger 1920-4-11 s.n. Riverside Cabazon, East to Palm Springs and Morongo Valley Comment
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Mar 13 2011
  CAS-BOT-BC287191  Corethrogyne filaginifolia A. C. Sanders 2004-7-1 28382 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft) 1 mile E of Murrieta Rd and 1 mile N of Bundy Canyon Rd, ca 5 miles due S of Sun City 488 Comment
  LA205801  Corethrogyne filaginifolia Harlan Lewis; 1939-10-23 1023 Riverside 1523 Comment
  POM230198  Corethrogyne filaginifolia I. W. Clokey, E. G. Anderson 1933-8-21 6962 Riverside N Fork San Jacinto River. 1500 Comment
  RSA761325  Corethrogyne filaginifolia Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 683 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA125532  Cornus nuttallii R. Weatherby 1949-6-6 646 Riverside Dark Canyon. San Jacinto Mtns. 1829 Comment
  CDA21779  Cosmos sulphureus Steve Boyd 1989-7-9 3778 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  UCR239815  Cotoneaster pannosus O. F. Clarke 2004-11-28 s.n. Riverside Riverside, south of Fairmont Park 239 Comment
  CAS-BOT-BC291362  Cotula coronopifolia Philip A. Munz 1941-5-18 16665 Riverside North end of Santa Rosa Ranch, Elsinore Mts. 914 Comment
  RSA356741  Crassula aquatica R. F. Thorne 1973-5-23 45523 Riverside Santa Rosa Plateau - Mesa de Colorado. 610 Comment
  OBI8335  Crassula connata David J. Keil, Malcolm McLeod 1977-3-26 12026 Riverside 0.7 mi W of jctn with Riverside County Rd R-3 (to Hemet) along Calif Rte 79 549 Comment
  RSA613463  Crassula connata D. L. Banks, Victor Steinmann 1997-3-13 1429 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
  UCR111773  Crassula connata Mitch Provance 1999-5-4 1699 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  SD137802  Crocanthemum aldersonii Darin L. Banks, Steve Boyd 1995-6-2 572 Riverside Northwest Palomar Mountains; Cleveland National Forest, Agua Tiobia Wilderness Area; north face of north peak of Agua Tibia Mountain. 890 Comment
  SD186167  Crocanthemum scoparium A. C. Sanders, Mike Misenhelter 2005-3-23 29272 Riverside Santa Rosa Plateau, east slope of Squaw Mountain, Av. Escala just above Av. Caleta, north of Tenaja Rd. 701 Comment
  UCSB3799  Crossosoma bigelovii Ralph, F. 1960-4-1 Riverside Whitewater Canyon, 1.6 miles north of U.S. Hwy. 99, western edge of the Colorado Desert Comment
  RSA341996  Croton californicus R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54120 Riverside San Bernardino Mts: Sandy beach along Whitewater River, E of bridge and levee and below W-facing bluff 412 Comment
  RSA651553  Croton californicus Brinkerhoff 1949-2-20 s.n. Riverside Thousand Palms, Colorado Desert. 762 Comment
  RSA775267  Croton californicus Duncan S. Bell, The Desert Survivors Organization 2011-4-8 2204 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  UCD141962  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.); south of the highway. 215 Comment
  UCR258633  Croton californicus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7898 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  UCR58717  Croton californicus James C. Dice, Virginia Moran 1987-11-28 760 Riverside Peninsular Range, Temecula Gorge, N bank of Santa Margarita River at aqueduct crossing. 250 Comment
  RSA577341  Croton californicus var. mohavensis I. W. Clokey 1935-4-16 6726 Riverside East of Mecca. 200 Comment
  SDSU13548  Croton setiger W. Miller, C. Mosse 1972-7-12 Riverside N.W. corner, roadside. Comment
  UCR159198  Croton setiger A. C. Sanders, Kelly Volansky 2005-8-31 31596 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  UCR234283  Cryptantha A. C. Sanders 2012-4-12 40034 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between El Hermano Rd. and I-15 crossing near Mayhew Canyon 311 Comment
  CSUSB1580  Cryptantha angustifolia I. G. Rauch 1968-4-9 S. N. Riverside Palm Desert Palm Desert, Dead Indian Creek Wash Comment
  JEPS67471  Cryptantha angustifolia W. I. Follett 1942-5-20 125 Riverside 25.5 mi w Desert Center (near Shaver Summit); Colorado Desert Comment
  JOTR35363  Cryptantha angustifolia Harding, Mitzi, M. Wheeler 2011-1-26 147 Riverside Joshua Tree National Park. Pinto Basin, where Chuckwalla Valley meets Pinto Wash, 0.5 mi west of Coxcomb Mountains, sandy burms above large wash (STOP2) 289 Comment
  POM6558  Cryptantha angustifolia P. A. Munz, L. T. Street, G. Williams 1919-3-27 2354 Riverside Salton Sea Comment
  RSA550282  Cryptantha angustifolia W. Wisura, John Dolan, Michael Wall 1992-3-24 4614 Riverside Lowdesert: 4.7 mi NE of Mecca on Box Canyon Rd. Comment
  RSA791929  Cryptantha angustifolia D. Silverman 2010-3-24 7823 Riverside South Palen Lake, Chuckwalla Valley, 5.1 km southeast of Sidewinder Well, 2.7 km southwest of Palen Dunes Dr., 3.4 km north of interstate 10. 133 Comment
  UC857062  Cryptantha angustifolia Ira L. Wiggins 1937-3-9 8754 Riverside 5 mi w Shaver's Well Comment
  UCSB5534  Cryptantha angustifolia McKelvey, Susan 1936-3-3 Riverside Desert near La Quinta Comment
  PASA1975  Cryptantha barbigera Sally Ellis 1939-3-31 Riverside Colorado Desert Comment
  POM46807  Cryptantha barbigera Mary F. Spencer 1920-3-24 1579 Riverside Crevices of rocks near Indian Wells 107 Comment
Read comments
Nov 19 2011
  POM6630  Cryptantha barbigera P. A. Munz, L. T. Street 1919-3-27 2350 Riverside Salton Sea Comment
  RSA511314  Cryptantha barbigera A. C. Sanders 1988-5-11 7797 Riverside Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal in a wash E of the gasline road from Niland. 548 Comment
Read comments
Jun 15 2012
  JOTR29561  Cryptantha barbigera var. fergusoniae Andre, Jim, Tasha LaDoux 2006-4-11 6735 Riverside Joshua Tree National Park. Along Pinto Basin Rd (paved) in Wilson Canyon 857 Comment
  UCR243568  Cryptantha barbigera var. fergusoniae Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21099 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
  RSA357780  Cryptantha circumscissa R. F. Thorne, M. Z. Thorne 1973-3-30 42667 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  GMDRC3552  Cryptantha costata J. Andre, T. La Doux 2009-2-25 10818 Riverside Palen Dry Lake: Palen Dry Lake: SE margin of the playa, approx 40 mi. W. of Blythe, 6 mi. N. of I-10, E. of Desert Center. USGS 7.5 min. Quad: Sidewinder Well 33 deg. 42.637' N 115 deg. 12.163' W. Elev. 423 ft. 129 Comment
  SEINET3005006  Cryptantha costata G. Rink, A. Karl, M. Honer, T. Thomas 2011-4-6 10435 Riverside Ca 5 miles west of Blythe, south fo I-10 and north of the transmission line, on dunes 141 Comment
  RSA0078964  Cryptantha cycloptera Theo Glenn 1992-3-31 92 -8 Riverside Colorado Desert. North side Of Eagle Mountains, Storm Jade Mine. Comment
  JEPS67652  Cryptantha intermedia W. L. Jepson 1935-4-21 17159 Riverside Aguanga, near branch road to Pines Aguanga 603 Comment
  JEPS67667  Cryptantha intermedia W. L. Jepson 1901-5-30 1554 Riverside between Aguanga and Temecula; Temecula River Comment
  RSA523959  Cryptantha intermedia G. H. True 1935-2-20 3 Riverside Box Springs, Sycamore Canyon. 366 Comment
  RSA757780  Cryptantha intermedia LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4328 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  SD185168  Cryptantha intermedia T. B. Salvato, Kent Beaman 2005-5-16 801 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA. 74. 548 Comment
  UC1392642  Cryptantha intermedia R. F. Hoover 1968-6-7 11157 Riverside Head of St. Johns Canyon Comment
  UCR132664  Cryptantha intermedia D. C. Hawks 1988-4-2 s.n. Riverside Peninsular Range, Tule Creek drainage, 1.75 mi. (airline) NE of Aguanga, SE of intersection of Dove Dr. and Sycamore Falls, south of Hwy 371, between Aguanga and Anza 945 Comment
  UCR47322  Cryptantha intermedia D. C. Hawks 1987-5-16 s.n. Riverside Terwilliger Valley, S of Anza, Terwilliger Road, 0.9 mi. south of intersection with Wellman Road 1189 Comment
  UCR47759  Cryptantha intermedia F. R. Fosberg 1929-5-3 S- 01058 Riverside Peninsular Range, Temecula River, c. 10 mi above Temecula Comment
  SEINET10456281  Cryptantha intermedia Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-15 Conrad 7144 Riverside Scattered Yellow Pine at margin of large valley, 5.9 mi SE of jct of Idlewild Road & Hwy 74 on 74. 1341 Comment
  JOTR29358  Cryptantha maritima La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1435 Riverside Joshua Tree National Park. Long Canyon; Stop 2, in side canyon east of main wash. 837 Comment
  UCR148863  Cryptantha maritima 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
  CLARK-A1528-333  Cryptantha micrantha subsp. micrantha Charlotte Stocks 1964-4-26 Riverside Comment
  POM46993  Cryptantha micrantha var. lepida Mary F. Spencer 1919-6-29 1301 Riverside Idyllwild. 1616 Comment
  POM46994  Cryptantha micrantha var. lepida Mary F. Spencer 1919-7-3 1347 Riverside Idyllwild. 1646 Comment
  SD39201  Cryptantha micrantha var. lepida Edith A. Purer 1935-4-21 6443 Riverside Pine Valley, Pines to Palms Highway Comment
  UCR256085  Cryptantha micrantha var. lepida G. D. Wallace 2003-7-8 4028 Riverside Peninsular Range; San Jacinto Mountains, Hidden Lake 2652 Comment
  UCR226929  Cryptantha micrantha var. micrantha Jim Andre 2011-2-2 16206 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  RSA543935  Cryptantha microstachys Steve Boyd 1991-5-10 6213 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  RSA679821  Cryptantha microstachys LeRoy Gross, Valerie Soza 2003-5-8 828 Riverside San Jacinto Mountains region: North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  UC1537682  Cryptantha microstachys Gordon H. True Jr. 1935-2-20 3 Riverside Box Springs Sycamore Canyon 365 Comment
  UCR164891  Cryptantha microstachys S. J. Myers 2001-4-5 s.n. Riverside San Jacinto Mtns., Bautista Canyon 884 Comment
  UCR270176  Cryptantha microstachys A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42402 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
  SEINET7073291  Cryptantha muricata A. G. Vestal 1963-4-27 s.n. Riverside Cottonwood Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR157648  Cryptantha muricata A. C. Sanders 1994-5-29 14574 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  UCR90386  Cryptantha muricata Steve Boyd 1995-4-24 8476 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on N flank of Agua Tibia Mtn, at N base of Wildhorse Peak. Along the Wildhorse Trail near its junction with the Dripping Springs Trail. 610 Comment
  JOTR35065  Cryptantha muricata var. jonesii La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3517 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  CLARK-A1528-2229  Cryptantha nevadensis John C. Roos 1966-3-20 Riverside Comment
  SDSU18706  Cryptantha pterocarya f. pterocarya Kristen Hasenstab, M. G. Simpson 2008-4-2 65 Riverside Joshua Tree National Park. Growing amongst big boulders under Nolina sp. in southwest end of Hidden Valley, southwest of the Hidden Valley Nature Trail by 500ft. 1273 Comment
  UCR19091  Cryptantha pterocarya var. cycloptera John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, rocky canyon 2.5 miles SE of Desert Center 610 Comment
  RSA0079482  Cryptantha pterocarya var. pterocarya J. R. Bruff 1928-4-2 s.n. Riverside Canyon wash 1 mile west of Morengo. Comment
  JEPS67900  Cryptantha utahensis Marjorie D. Clary 1933-3-25 2073 Riverside Ebbens Creek Wash Colorado Desert, Santa Rosa Mountains 304 Comment
  JOTR32474  Cryptantha utahensis Herskovits, Tasya, M. Harding 2011-5-20 10 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ryan Mountain; Rocky slopes bordering Ryan Mountain Trail (Stop 2) 1524 Comment
  UCR50381  Cryptantha utahensis F. R. Fosberg 1929-3-30 S- 00710 Riverside Western Colorado Desert/ San Jacinto Mtns, Palm Springs, Andreas Canyon Comment
  UCR9570  Cryptantha utahensis Bonner Blong 1966-1 s.n. Riverside Santa Rosa Mtns, Carrizo Creek Comment
  CHSC98226  Cucurbita palmata R. E. Riefner Jr. 2006-8-2 06 -349 Riverside Lakeview Mountains, vicinity of Alicante Dr. at Jamawag Rd., N of Leon Rd. UTM: 11S 0488948E 3735311N 550 Comment
  RSA77418  Cucurbita palmata F. W. Peirson 1916-04 1206 Riverside Near Palm Springs. Comment
  RSA409709  Cuscuta californica I. M. Johnston 1917-6-5 1255 Riverside Hills south of Arlington 366 Comment
  SEINET891458  Cuscuta californica var. papillosa Lewis S. Rose 1946-1 46300 Riverside Cathedral Canyon Wash 182 Comment
  UCR272458  Cuscuta californica var. papillosa Mitch Provance 2012-8-1 712- 05 Riverside Colorado Desert, Thousand Palms Canyon Road, +- 2/3 of the way up into the canyon. 140 Comment
  RSA795921  Cuscuta denticulata Duncan S. Bell 2009-4-19 289 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  SBBG30056  Cuscuta subinclusa L. C. Wheeler 1933-12-1 2284 Riverside San Gorgonio wash at Southern Pacific Railroad, San Gorgonio Pass 640 Comment
  UCR120409  Cycloloma atriplicifolium Mitch Provance 1998-5-25 876 Riverside Santa Ana River Wash, Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  UCR93074  Cycloloma atriplicifolium A. C. Sanders, S. Ogg 1994-7-28 15171 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  JOTR35523  Cylindropuntia echinocarpa Harding, Mitzi, C. Barrows, K. Callahan, J. Hoines, M. Wheeler 2013-4-12 131 Riverside Joshua Tree National Park. Eagle Mountains; foothills west of Eagle Mountain 1091 Comment
  UCR249652  Cylindropuntia munzii A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40509 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
  JEPS66895  Cylindropuntia ramosissima W. L. Jepson 1912-10-29 5247 Riverside Riverside Mts.; along Colorado River 91 Comment
  UCR232793  Cynodon dactylon John F. Green 2008-4-16 0408- 51 Riverside Peninsular Range; Perris-Aguanga Valley, SSE of Romoland, powerline route north of McLaughlin Rd, between Palomar and Dawson roads 442 Comment
  SEINET3910348  Cyperus involucratus Robert F. Thorne 1965-4-4 41861 Riverside San Jacinto Mountains: tahquitz Falls, Tahquitz Canyon.; 0 Comment
  UCR130129  Cyperus odoratus Joseph A. Ewan 1931-10-3 5215 Riverside Santa Ana River, 4 miles NW of Corona 162 Comment
  UCR277724  Cyperus odoratus Mitch Provance 2012-11-3 1112- 07 Riverside San Timoteo Canyon, West Beaumont, N side of Oak Valley Parkway (San Timoteo Canyon Rd.), 1.5 miles W of I-10. 709 Comment
  RSA703453  Dactyloctenium aegyptium R. E. Riefner Jr. 2004-7-30 4 -281 Riverside City of Norco, Sixth Street at Sierra Avenue. USGS 7.5' Quad: Corona North. 200 Comment
  CLARK-A1528-2767  Dalea emoryi John C. Roos 1966-5-2 Riverside Palm Springs Comment
  CLARK-A1703-1206  Dalea emoryi Charlotte Stocks 1962-5-25 Riverside La Quinta Comment
  SEINET10452143  Dalea mollis Ernest J. Palmer 1946-2-22 Palmer 1957 Riverside Collected in mud flats dry and caked and split. All american cana catch basin From desert washes. Oracopia mts n east of the saltan sea. Very arid country. Comment
  CLARK-A1528-5674  Dalea mollissima John C. Roos 1937-4-24 764 Riverside Sheep Hole Mountains Comment
  UC555337  Dalea mollissima Herbert L. Mason 1928-3-10 4225 Riverside Hidden Springs Canyon Coachella Mts., Hidden Springs Canyon Comment
  RSA704244  Dasyochloa pulchella Gary D. Wallace 1982-5-15 1997 Riverside Palms to Pines Highway, 7 level hill. Comment
  RSA13808  Datisca glomerata Victor Duran 1933-7-1 3494 Riverside Near Santa Rosa. Santa Rosa Mountains 1829 Comment
  SBBG94884  Datisca glomerata B. Pitzer, B. L. Phillips 1988-7-1 1480 Riverside S of Vail Lake, N of Hwy 79, between Kolb and Arroyo Seco Crks, ca. 0.25 mi W of Dripping Springs Guard Station 487 Comment
  UC534829  Datisca glomerata Victor Duran 1933-7-1 3494 Riverside near Santa Rosa (Santa Rosa Mountains); Santa Rosa Mountains 1828 Comment
  UCR167369  Datura discolor John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  CAS-BOT-BC229032  Datura wrightii T. B. Salvato; Richard Camacho 2011-6-12 5483 Riverside Peninsular Range: Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  UCR480  Datura wrightii Rodney Hendrick 1965-3-14 s.n. Riverside Sonoran (Colorado) Desert, About 3 mi east of Mecca on Box Canyon Road 0 Comment
  RSA0020085  Datura wrightii H. de Forest 1924-4-15 s.n. Riverside Tahquitz canyon. Comment
  CAS-BOT-BC294113  Deinandra kelloggii H. A. Dutton 1899-6-12 s.n. Riverside Warm Springs Valley, Elsinore Comment
  RSA674653  Deinandra mohavensis Scott D. White 2000-8-22 8123 Riverside Gibbel Flat in the Santa Rosa Hills. 610 Comment
Read comments
Dec 16 2012
  UC64115  Delphinium parishii H. M. Hall 1897-4-17 469 Riverside Whitewater Comment
  CAS-BOT-BC7981  Delphinium parishii subsp. parishii J. E. Cole 1942-5-10 951 Riverside Joshua Tree National Monument 1341 Comment
  RSA0018984  Delphinium parishii subsp. parishii Mary F. Spencer 1920-3-27 1475 Riverside Near Palm Springs. Colorado Desert. 152 Comment
  RSA343878  Delphinium parryi Robert F. Thorne 1985-5-18 60668 Riverside Santa Rosa Plateau: at edge of Cleveland National Forest. 610 Comment
  UCR149979  Delphinium parryi subsp. parryi Scott D. White, Angelia Carey 2004-5-7 10324 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR35347  Delphinium parryi subsp. parryi L. B. Ziegler 1967-4-25 123 Riverside Perris-Aguanga Basin, Pauba Ranch [SE of Temecula in Pauba Valley, off Hwy 79] 381 Comment
  CAS-BOT-BC158124  Dendromecon rigida Abby Sirulnik 2000-5-7 30 Riverside Peninsular Ranges; San Jacinto Mtns.: Along Mt. Edna Rd. off of CA Hwy 243, ca. 5 mi. N of Poppet Flats 1159 Comment
  SFV1359  Dendromecon rigida P. G. Kilburn 1958-5-17 815 Riverside San Jacinto Mountains Mount San Jacinto, 7 miles south of Banning on road to Idyllwild. 915 Comment
  UCR163592  Dendromecon rigida 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
  SD237265  Deschampsia danthonioides D. E. Bramlet 1991-5-7 2120 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave & Marvin Hull Road, c. 50-150 m north of the AR&SF railroad tracks & 300 m west of MWD canal. Comment
  UC1126776  Descurainia pinnata H. S. Yates 1937-3-23 6391 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UCR176891  Dicentra chrysantha Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  UCR98484  Dichelostemma capitatum A. C. Sanders, G. Helmkamp 1997-3-15 19923 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 549 Comment
  CAS-BOT-BC500847  Dichelostemma capitatum Milo S. Baker 1928-4-3 2807 b Riverside Tahquitz Canyon near Palm Springs Comment
  UCR41503  Dichelostemma capitatum subsp. capitatum B. G. Pitzer 1986-2-22 18 Riverside San Bernardino Mountains, Whitewater Canyon at Fish Hatchery, also to c. 0.5 mi north of hatchery, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road 732 Comment
  UCR91490  Dichelostemma capitatum subsp. capitatum Scott D. White 1995-4-5 2712 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  SBBG34737  Dicoria canescens T. L. Secrest 1950-3-12 Riverside near Indio Comment
  SBBG8046  Dicoria canescens H. and M. Dearing 1939-11-12 4034 Riverside W Colorado Desert Comment
  RSA0018438  Diplacus longiflorus var. calycinus Scott D. White 1995-3-30 2669 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr; (USGS Sunnymead 7 1/2' quad shows ''Moreno'' BM 2067 at top of hill). 579 Comment
  CHSC26487  Diplacus puniceus James Henrickson 1970-4-10 4533 Riverside 8 air miles ESE of Temecula along Hy. 71-79. 542 Comment
  RSA171926  Ditaxis lanceolata R. F. Thorne 1963-3-29 32442 Riverside Eagle Mountains, Pumping Station, S side of Eagle Mountains; ca. 12 miles W of Desert Center 533 Comment
  RSA682077  Ditaxis lanceolata Scott D. White, Michael Honer 2003-4-30 9133 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  UCR198200  Ditaxis lanceolata Michael Honer, L. Hulse 2004-4-3 1908 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  RSA690986  Ditaxis neomexicana Scott D. White, Michael Honer 2003-5-15 9309 Riverside Bajada below Little Maria/ Big Maria Mtns. near Inca RR siding, ca. 15 air miles NW of Blythe. 61 Comment
  RSA784936  Ditaxis neomexicana Duncan S. Bell 2012-2-12 3104 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR103594  Ditaxis neomexicana George K. Helmkamp, E. A. Helmkamp 1998-2-18 2702 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  RSA778622  Dithyrea californica Duncan S. Bell 2009-3-8 63 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  POM95408  Dithyrea californica Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  POM19640  Dodecatheon alpinum subsp. majus Mary F. Spencer 1923-7-16 s.n. Riverside Round Valley. 2744 Comment
  UCR23259  Dodecatheon clevelandii John C. Roos 1958-4-3 s.n. Riverside Plateau in Reche Canyon Comment
  UC162554  Dodecatheon clevelandii subsp. clevelandii H. M. Hall 1897-1-24 362 Riverside vicinity Riverside; vicinity of Riverside 426 Comment
  JEPS14663  Dodecatheon redolens Carl V. Meyer 1928-7-26 544 Riverside vicinity Deer Springs (San Jacinto Mountains); , vicin Deer Springs 2743 Comment
  RSA462211  Dodecatheon redolens F. W. Peirson 1924-7-27 4999 Riverside Deer Springs, San Jacinto Mountains. Comment
  RSA757459  Downingia bella R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55200 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de Colorado 625 Comment
  RSA701649  Drymocallis glandulosa Keith E. Hoffmaster 1937-6-6 s.n. Riverside San Jacinto Mountains. Comment
  UC64549  Drymocallis glandulosa var. viscida H. M. Hall June, 1901 2204 Riverside vicinity Strawberry Valley; San Jacinto Mountains, vicin Strawberry Valley 1615 Comment
  UCR47860  Dudleya edulis S. J. Myers 1987-6-24 s.n. Riverside Peninsular Range, Murrieta Creek, at confluence with Temecula Creek, near the town of Murrieta 290 Comment
  UCR104165  Dudleya lanceolata Scott D. White 1997-5-25 5248 A Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  UCR252199  Dudleya lanceolata Marissa Manahan 2011-4-24 s.n. Riverside Mount Rubidoux Park, Riverside, near summit 381 Comment
  JOTR31151  Dudleya saxosa subsp. aloides La Doux, Tasha 2009-6-3 1860 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  JOTR33935  Dudleya saxosa subsp. aloides La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2825 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
  UCSB24787  Echinocereus engelmannii Head, W. 1966-5-15 Riverside Pinyon Flats Campground 1249 Comment
  CAS-BOT-BC32714  Echinocereus engelmannii var. munzii P. A. Munz; I. M. Johnston 1922-5-21 5570 Riverside Field redacted by CAS, contact the data manager for more information 1417 Comment
  UC1131542  Echinochloa crus-galli H. S. Yates 1937-6-27 6707 Riverside near Relief Hot Springs; San Jacinto Quad. Comment
  RSA0086967  Echinochloa crus-galli var. zelayensis H. de Forest, Jack Rumpel 1933-10-29 s.n. Riverside Snow Creek Canyon, San Bernardino Mts. 548 Comment
  CLARK-A1528-97  Echinodorus berteroi Ruth Cooper 1941-6-8 67 K Riverside Perris Comment
  UCR266824  Echinodorus berteroi D. E. Bramlet 2005-7-13 3892 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, east of old San Jacinto River channel, margin of flooded ponds 433 Comment
  UCSB69895  Elatine californica Thorne, Robert 1973-5-23 Riverside Santa Rosa Plateau - Mesa de Colorado 609 Comment
  RSA357163  Elatine chilensis R. F. Thorne, E. W. Lathrop 1975-5-25 45562 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  UCR94488  Eleocharis acicularis var. acicularis Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  UCR6206  Eleocharis macrostachya D. Gordon 1952-5-19 s.n. Riverside San Bernardino Valley Region, Riverside, UCR campus 335 Comment
  RSA586308  Eleocharis montevidensis Darin L. Banks, Steve Boyd 1995-5-3 219 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
  RSA365450  Eleocharis montevidensis var. montevidensis Christopher Davidson 1977-5-25 5647 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  UCR201660  Elymus stebbinsii Scott D. White, Justin M. Wood 2008-6-17 12152 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  CLARK-A1703-1207  Emmenanthe penduliflora Charlotte Stocks 1962-5-16 Riverside Whitewater Canyon Comment
  POM250358  Emmenanthe penduliflora I. W. Clokey 1935-4-8 6846 Riverside Gavilan Mesa. 600 Comment
  RSA180275  Emmenanthe penduliflora E. W. Lathrop 1965-5-18 5750 Riverside 8 miles W of Murrieta. 610 Comment
  RSA594781  Emmenanthe penduliflora D. L. Banks, Dylan Hannon 1996-5-3 975 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a mesic E facing slope, approximately 300 m SE of the Helipad at the upper camp sites 534 Comment
  RSA699653  Emmenanthe penduliflora Keith E. Hoffmaster 1934-4-8 s.n. Riverside Santa Ana Mts. Comment
  UCR176189  Emmenanthe penduliflora Amber Bruno 2005-4-14 12 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
  SEINET10397868  Emmenanthe penduliflora Norman C. Cooper 1944-4-8 1053 Riverside Andreas Canyon 305 Comment
  JEPS34095  Encelia actoni Marjorie D. Clary 1932-5-12 1904 Riverside Lost Horse Canyon north Colorado Desert, Little San Bernardino Mountains, Lost 1066 Comment
  CAS-BOT-BC131319  Encelia farinosa C. F. B. 1903-4-4 4151 Riverside Elsinore Comment
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Sep 3 2017
  HSC88234  Encelia farinosa Elizabeth Neese 1979-4-10 7061 Riverside Joshua Tree National Monument S of Twenty-nine Palms, between Pinto Basin Jct. and Cottonwood Wash. 305 Comment
  UCR272421  Encelia farinosa Cheryl Sevilla, Sarah J. De Groot, Duncan S. Bell 2015-2-10 005 Riverside Santa Rosa Mountains, Bear Creek drainage , 2.3 air miles west of Lake Cahuilla, south of La Quinta, north of Devil Canhyon, southwest of Coachella Valley 193 Comment
  POM19630  Encelia farinosa var. farinosa Mary F. Spencer 1923-6-5 2207 Riverside Soboba Hot Springs, near San Jacinto. 549 Comment
  UCR147745  Encelia frutescens Steve Boyd, Et al. 2004-5-14 11263 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  SEINET10925116  Encelia frutescens David B. Dunn 1948-3-14 Dunn 3768 Riverside Found five miles south of Garnet in the Colorado Desert sands. Comment
  RSA129441  Ephedra californica H. S. Yates 1937-3-23 6413 Riverside 3 miles north of Palm Springs 213 Comment
  RSA296153  Ephedra californica B. A. Prigge 1980-8-5 3831 Riverside Whitewater Canyon, 0.5 miles N of trout farm 701 Comment
  RSA329548  Ephedra californica G. D. Wallace 1966-3-26 259 Riverside Whitewater Canyon; 13 mi. E. of Banning, San Bernardino Nat l For. 427 Comment
  SBBG54310  Ephedra californica C. Gustafson 1977-4-7 5575 Riverside Whitewater Cyn Rd exit from Interstate 10, ca. 2.5 mi W of jct Interstate 10 with State 62 near start of Pacific Crest Trail 609 Comment
  UCR123755  Ephedra californica Steven R. Hill 2001-4-29 33542 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  IRVC8461  Ephedra fasciculata R. H. Whittaker, W. A. Niering Jun 1963 SJ 124 Riverside santa Rosa Mtns; Palms to Pines Hwy. Peninsular Ranges 915 Comment
  RSA0121417  Ephedra fasciculata Duncan S. Bell, LeRoy Gross 2016-3-31 9187 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 492 Comment
  JOTR31128  Ephedra viridis La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2510 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ridgeline just south of Quail Mountain peak with steep loose slopes and rocky outcrops (Stop 6) Comment
  UCR193260  Epilobium A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35617 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi WSW of Fleming Ranch, at ephemeral stream crossing of dirt track 1561 Comment
  RSA787332  Epilobium adenocaulon var. parishii Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49556 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  UCR220335  Epilobium campestre D. E. Bramlet 1992-4-29 2248 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, west edge of Hemet, west of Warren Rd. and north of Florida Ave./Hwy 74 457 Comment
  SD70929  Epilobium canum subsp. canum Helen V. Witham 1969-7-2 187 Riverside Occasional, De Luz Creek crossing, 4 miles North of De Luz 249 Comment
  CAS-BOT-BC171724  Epilobium canum subsp. latifolium John Thomas Howell 1927-8-2 2933 Riverside Top of control on road to Hemet, Mt. San Jacinto 1371 Comment
  RSA38355  Epilobium canum subsp. latifolium P. A. Munz 1946-10-19 11563 Riverside Coahuila. 1098 Comment
  RSA448508  Epilobium canum subsp. latifolium N. R. Zabriskie, W. M. Zabriskie 1972-10-22 547 Riverside Cactus Spring Trail between Dolomite mine & Horsthief Canyon; N slope Santa Rosa Mountains. (E of site 13). 1098 Comment
  RSA5469  Epilobium canum subsp. latifolium Carl B. Wolf 1932-10-12 4299 Riverside Pinyon Well, Little San Bernardino Mts. 1220 Comment
  UC20067  Epilobium glaberrimum subsp. glaberrimum H. M. Hall 1901-7-3 2377 Riverside vicinity of Strawberry Valley San Jacinto Mountains (along water courses) 1584 Comment
  RSA92723  Epilobium pygmaeum J. C. Roos 1952-5-14 5662 Riverside Edgemont, near Box Springs. 488 Comment
  SDSU12982  Equisetum hyemale subsp. affine Michael G. Simpson with Claudia A. Luke 1999-10-27 2015 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/4 mile from Southside Facilities. 152 Comment
  RSA639636  Equisetum telmateia var. braunii E. Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mtns. Canyon near Murietta. Comment
  RSA316420  Eragrostis minor R. F. Thorne 1982-10-8 55392 Riverside Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office 595 Comment
  UCR279385  Eremalche exilis A. C. Sanders, Jim Malusa 2017-3-24 42955 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  RSA0042158  Eremalche rotundifolia Duncan S. Bell, Evan Meyer 2014-4-2 6503 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  SEINET259019  Eremopyrum bonaepartis B. L. Johnson G 914 Riverside CULTIVATED; Grown at University of California Los Angeles Comment
  JOTR35328  Eremothera boothii subsp. desertorum Harding, Mitzi, Mark Wheeler 2012-2-28 95 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  RSA0014471  Eriastrum Justin M. Wood, J. Miner 2010-4-29 1546 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  RSA0105502  Eriastrum densifolium subsp. austromontanum Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8656 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UCR113545  Eriastrum densifolium subsp. austromontanum Mitch Provance 1998-6-12 699 Riverside Santa Ana River Wash, Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  CAS-BOT-BC514319  Eriastrum densifolium subsp. austromontanum Verne Grant; Alva Grant 1951-7-19 16088 Riverside San Jacinto Mts.: Along Idyllwild road just above Hwy 74 1219 Comment
  RSA0105503  Eriastrum densifolium subsp. austromontanum John F. Emmel 1978-7-17 615 Riverside Santa Rosa Mountains; Mountain Home Springs. 1921 Comment
  UCR35045  Eriastrum densifolium subsp. densifolium L. B. Ziegler 1967-6-14 159 Riverside San Jacinto Valley, 1 mi. east of San Jacinto 473 Comment
  JOTR32374  Eriastrum eremicum subsp. eremicum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2485 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail, near trailhead; Sandy wash and open flats among boulder outcrops (Stop 2) 1298 Comment
  CAS-BOT-BC514472  Eriastrum eremicum subsp. eremicum Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  SD45397  Eriastrum filifolium Herbert L. Mason 1926-5-2 3200 Riverside Temecula Valley Comment
  UCR137334  Eriastrum sapphirinum A. C. Sanders 2004-5-5 27763 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  GMDRC6582  Eriastrum sapphirinum subsp. sapphirinum J. M. Andre 2012-6-15 30544 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  CAS-BOT-BC515043  Eriastrum sapphirinum subsp. sapphirinum Winifern W. Swarth 1914-9-17 s.n. Riverside San Jacinto Mts., Strawberry Valley 1828 Comment
  UC31082  Ericameria cuneata var. cuneata H. M. Hall 1901-7-1 Riverside Tamarack Creek San Jacinto Mts., Tamarack Ck. 2133 Comment
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Aug 3 2008
  CAS-BOT-BC287641  Ericameria linearifolia Frank W. Peirson 1921-3-21 2380 Riverside Gordon Trail, E slope San Jacinto Mts 914 Comment
  JOTR35438  Ericameria linearifolia Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 44 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop1) Comment
  SD73603  Ericameria linearifolia Helen V. Witham 1970-4-29 818 Riverside 1299 Comment
  JOTR32833  Ericameria nauseosa var. mohavensis La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1555 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  RSA0008410  Ericameria palmeri var. pachylepis A. C. Sanders 1997-11-25 21625 Riverside Skinner/Domenigoni region, S of Hemet Eastside (Diamond Valley) Reservoir, Nicholson Ranch site, just below water line of reservoir under construction, E end of S side of Diamond Valley, ca. 2/3 of the way from W dam to E dam 503 Comment
  RSA0097940  Ericameria palmeri var. pachylepis Marc A. Baker, Michelle Cloud-Hughes 2015-6-23 18359 Riverside 2.3 km NNW of central Beaumont, 42 km ENE of central Riverside. 795 Comment
  UCR22309  Ericameria parishii Steve Boyd 1980-12-20 367 Riverside Peninsular Range, Gavilan Hills, Gavilan plateau, radio tower ridge south of Gavilan Peak Comment
  CAS-BOT-BC131642  Ericameria parishii var. parishii Edmund C. Jaeger 1923-7-12 1004 Riverside East slope San Jacinto Mts. 2133 Comment
  UCR94944  Ericameria parryi Scott D. White 1996-8-16 4488 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  UC130500  Erigeron breweri var. jacinteus Charlotte M. Wilder 1909-7-14 972 a Riverside near Tahquitz Peak Comment
  RSA736548  Erigeron foliosus Scott D. White, Angelia Carey 2004-7-2 10585 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR220150  Erigeron foliosus D. E. Bramlet 1989-5-15 1858 Riverside Peninsular Range, North Domenigoni Hills, near top of knoll 2184, 5600 ft. north of Newport Road and 9200 ft. east of the MWD canal 622 Comment
  CAS-BOT-BC296240  Erigeron foliosus var. foliosus Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  UCD132022  Erigeron strigosus var. strigosus Steve Morgan 1994-3-25 94 -1 Riverside in the UCR Botanic Garden. Comment
  RSA613956  Eriochloa acuminata A. C. Sanders 1994-7-27 15162 Riverside Riverside: Santa Ana River between the San Bernardino County line and the Market Street Bridge., (T2S R5W, 117 deg 22.5'W, 34 deg 01'N.) 246 Comment
  UC1100239  Eriochloa acuminata var. acuminata Malcolm A. Nobs, S. Galen Smith 1948-9-3 495 Riverside 2 mi n of Indio (Imperial Valley); Imperial Valley Comment
  LA105134  Eriochloa aristata var. aristata John C. Roos; 1985-12-22 5962 Riverside Deep Canyon, Coachella Valley, 0.25 NW of Valerie Jean, W of Hwy 86, SE 0.25 -30 Comment
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Mar 23 2014
  CDA2092  Eriochloa contracta T. C. Fuller 1962-10-3 9702 Riverside Palo Verde Valley. Northwest corner of Neighbors Blvd. & Avenue 22, 1.4 miles north of Ripley. 0 Comment
  LA205565  Eriodictyon crassifolium Elizabeth McClintock; 1940-4-23 sn Riverside San Jacinto Mountains, Idyllwild Grade Comment
  RSA450469  Eriodictyon crassifolium J. C. Roos 1965-6-13 s.n. Riverside Palms to Pines Hwy., San Jacinto Mtns. Comment
  RSA586162  Eriodictyon crassifolium D. L. Banks, S. D. Boyd 1995-3-30 127 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, on the Woodchuck Trail. 634 Comment
  SEINET244668  Eriodictyon crassifolium A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24173 Riverside Perris-Aguanga Basin Region; S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. E of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 503 Comment
  RSA0034874  Eriodictyon crassifolium I. W. Clokey, E. G. Anderson 1935-4-16 6834 Riverside East of Hemet. 600 Comment
  CAS-BOT-BC189125  Eriodictyon crassifolium var. crassifolium Alice Eastwood 1913-4-30 2994 Riverside Palm Springs Comment
  CAS-BOT-BC189129  Eriodictyon crassifolium var. crassifolium L. R. Abrams 1908-7-21 5052 Riverside Santa Ana Mountains, near Elsinore Comment
  UCR16691  Eriodictyon crassifolium var. crassifolium S. W. Austin 1969-5-10 35 Riverside Peninsular Range, Alberhill Road, 2.25 - 2.5 mi. NW of Elsinore on slope on SW side of road 305 Comment
  UCR270758  Eriodictyon crassifolium var. crassifolium T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8344 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 384 Comment
  CAS-BOT-BC222693  Eriodictyon trichocalyx Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  RSA455110  Eriodictyon trichocalyx Larry E. DeBuhr 1977-5-6 2588 Riverside Whitewater Canyon, ca. 4.5 miles N from I-10. Comment
  CLARK-A1528-5716  Eriogonum apiculatum John C. Roos 1947-9-6 3743 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC242796  Eriogonum davidsonii Winifern W. Swarth 1914-9-7 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  CAS-BOT-BC242797  Eriogonum davidsonii P. A. Munz; E. K. Balls 1952-8-21 17963 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1371 Comment
  JOTR33944  Eriogonum davidsonii La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2833 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
  SD22474  Eriogonum davidsonii Susan G. Stokes 1933-7-1 Riverside Roadside near Idyllwild 1524 Comment
  UC666501  Eriogonum deflexum var. deflexum Annie M. Alexander and Louise Kellogg 1941-5-28 2264 Riverside 2 mi e, in wash next to rocky hills Shaver Summit; Colorado Desert 469 Comment
  UCR250919  Eriogonum elongatum Jeremiah George 2012-7-11 s.n. Riverside Beaumont, south of Kobe St./Brownie Way and west of Manzanita Park Rd., east of Hwy 79 798 Comment
  OBI11104  Eriogonum fasciculatum var. foliolosum Tracey & Viola Call, Viola Call 1962-4-13 2131 Riverside Tin Mine Cyn near Corona Comment
  JOTR31138  Eriogonum fasciculatum var. polifolium La Doux, Tasha 2009-6-3 1850 Riverside Joshua Tree National Park. (Stop 1): Little San Bernardino Mountains, Covington Flats, ridge line south of peak 1547 Comment
  UC1608274  Eriogonum fasciculatum var. polifolium Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7320 Riverside San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 365 Comment
  UCSB1527  Eriogonum fasciculatum var. polifolium Hawkins, L. 1956-4-13 Riverside Water Canyon Comment
  RSA0095206  Eriogonum gracile var. gracile Duncan S. Bell, Sarah DeGroot, Mark Porter 2015-10-19 8716 Riverside Whitewater Canyon, near junction of the Pacific Crest Trail and the trail down to the ranger station. 700 Comment
  SD187458  Eriogonum gracile var. incultum Scott D. White, Angelia Carey 2004-9-16 10767 Riverside San Jacinto Mountain Foothills, San Jacinto River wash near Indian Creek confluence 502 Comment
  OBI10947  Eriogonum inflatum Robert F. Hoover 1966-10-15 10168 Riverside Dead Indian Cyn Comment
  UCD100271  Eriogonum inflatum John Green; Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Beach, 1.5 mile transect along Coachella right-of-way, between siphons 25 and 26, NE of Hunters Spring, enar S base of Orocopia Mtns. 23 Comment
  CAS-BOT-BC270599  Eriogonum molestum James L. Reveal; Caroline G. Reveal 1972-8-9 2866 Riverside Along California Highway 243, 6.5 miles northwest of Alandale Ranger Station and about 0.5 mile south of Bay Tree Spring near the trail to Black Mountain, San Jacinto Mountains Comment
  CAS-BOT-BC269777  Eriogonum nudum var. pauciflorum D. E. Breedlove 1961-8-4 937 Riverside Black Mtn Campground; NW side of Black Mtn, San Jacinto Mtns 2286 Comment
  LA206958  Eriogonum nudum var. pauciflorum Louis C. Wheeler; 1931-10-4 219 Riverside San Jacinto Mountains, Hemet-Idyllwild Road Comment
  POM13396  Eriogonum nudum var. pauciflorum E. C. Jaeger 1922-8-22 1018 Riverside Long Valley 2683 Comment
  SD22377  Eriogonum nudum var. pauciflorum Susan G. Stokes 1933-7-1 Riverside Road to Idyllwild 1372 Comment
  UC849804  Eriogonum nudum var. pauciflorum I. W. Clokey, E. G. Anderson 1935-8-21 6590 Riverside Keen Camp P.O. 1425 Comment
  SD22473  Eriogonum palmerianum Susan G. Stokes 1933-7-1 Riverside Road to Idyllwild, sandy flat near road 762 Comment
  RSA160411  Eriogonum parishii J. D. Olmsted 1959-9-23 1001 Riverside N Fork San Jacinto River drainage area: Flat on NW side of Idyllwild Banning Rd. halfway up grade south of Dark Canyon Creek crossing 1799 Comment
  CDA22643  Eriogonum pusillum T. C. Fuller 1964-4-14 11825 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  JEPS56475  Eriogonum pusillum W. L. Jepson 1927-4-11 11625 Riverside Whitewater Bridge 457 Comment
  POM294037  Eriogonum pusillum Lyman Benson 1945-3-29 11622 Riverside Canyon on Palm Springs Road, Colorado Desert, Little San Bernardino Mountain. 610 Comment
  RSA0056350  Eriogonum pusillum A. Lee Haines 1974-4-8 s.n. Riverside North side of Orocopia Mountains. 396 Comment
  SD160871  Eriogonum roseum Virginia Moran 2003-9-1 Riverside Perris-Aguanga Basin region: Wilson Valley Mitigation Bank, accessed from Wilson Valley Road Comment
  CAS-BOT-BC263538  Eriogonum thomasii Peter Kamb 1948-4-11 876 Riverside Aqueduct Road 5 mi. east of Garnet, Coachella Valley 304 Comment
  POM13308  Eriogonum thomasii E. C. Jaeger 1921-5-20 1072 Riverside Palm Springs. Comment
  RSA395867  Eriogonum thomasii Steven A. Junak 1983-3-23 1635 Riverside East side of Jefferson Road, opposite entrance to Cahuilla Lake County Park, south of Indio. 0 Comment
  UC1922708  Eriogonum thomasii Michael Honer with L. Hulse 2004-4-2 1878 Riverside Colorado Desert; Little San Bernardino Mountains region: East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. Comment
  POM2305  Eriogonum thurberi Jenkins, Street 1917-5-30 1954 Riverside San Jacinto. Comment
  SEINET6894828  Eriogonum thurberi Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  UC1547002  Eriogonum trichopes Leila M. Shultz, John S. Shultz 1985-4-17 8304 Riverside southern extension of the Big Maria Mountains Big Maria Mountains 97 Comment
  UC412837  Eriogonum trichopes Geo. B. Grant May 1 1906-May 10 1906 444 -6719 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  POM259129  Eriogonum umbellatum subsp. munzii P. A. Munz 1938-8-14 15377 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2287 Comment
  RSA420618  Eriogonum wrightii var. membranaceum Kessler 1921-09 s.n. Riverside Mt. San Jacinto. Comment
  RSA520083  Eriogonum wrightii var. membranaceum Steve Boyd, Dave Bramlet 1988-10-8 2866 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  RSA761869  Eriogonum wrightii var. membranaceum Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 647 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCSB70084  Eriogonum wrightii var. membranaceum Sanders, A.; Thomas, Tim 2008-8-1 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek near Mountain Center, SE of Keenwild Fire Station (Idyllwild 73' Q.) 1448 Comment
  UC511896  Eriophyllum ambiguum var. paleaceum Frank W. Peirson 1933-4-13 10638 Riverside road from Deep Canyon to Idlewild 762 Comment
  UC572528  Eriophyllum ambiguum var. paleaceum H. S. Yates 1937-3-24 6457 Riverside Deep Canyon Thermal Quadrangle 609 Comment
  CDA5248  Eriophyllum confertiflorum A. C. Browne 1952-5-13 Riverside Temecula. 0 Comment
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Mar 18 2014
  POM256950  Eriophyllum confertiflorum W. Pequegnat 1940-5-17 s.n. Riverside Bedford Truck Trail, Santa Ana Mountains. 426 Comment
  RSA32412  Eriophyllum confertiflorum Norman C. Cooper 1944-7-15 1601 Riverside Idlewild [Idyllwild], San Jacinto Mountains. 1524 Comment
  RSA695582  Eriophyllum confertiflorum Keith E. Hoffmaster 1937-6-6 774 Riverside Palms to Pines road near Keen Camp. PR4. Comment
  RSA761988  Eriophyllum confertiflorum Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade, et al. 2010-8-14 727 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SBBG54342  Eriophyllum confertiflorum var. confertiflorum C. Davidson 1978-6-15 7392 Riverside Santa Rosa Pk, trail to the top 2407 Comment
  JOTR01259  Eriophyllum confertiflorum var. confertiflorum Cole, James E. 1941-5-17 705 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1310 Comment
  UC134916  Eriophyllum multicaule C. R. Orcutt 1891-4-1 2272 Riverside near Elsinore Comment
  UCR266473  Eriophyllum multicaule Mitch Provance, Matt Amalong 2015-3-25 315- 34 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
  CAS-BOT-BC296973  Eriophyllum wallacei W. P. Vestal; A. G. Vestal 1947-3-30 s.n. Riverside About 2 miles up San Jacinto Canyon 518 Comment
  POM13417  Eriophyllum wallacei P. A. Munz, I. M. Johnston 1922-5-6 5177 Riverside Little San Bernardino Mts.: 3 miles E of Warrens Well. 975 Comment
  RSA80985  Eriophyllum wallacei G. R. Campbell 1952-4-5 18371 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  UC1428710  Eriophyllum wallacei J. L. Strother 1973-3-21 1159 Riverside above Chiriaco Summit; Lost Palms Canyon Comment
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Mar 26 2011
  UCR126  Eriophyllum wallacei R. O. Perez 1955-5-20 s.n. Riverside San Jacinto Valley, 5 mi. east of Hemet [San Jacinto River Valley, c. 1-3 mi. east of Valle Vista] 579 Comment
  UC1922901  Erodium botrys Scott D. White 2005-3-29 10846 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. Cabazon 7.5' Quad. Comment
  UCR120950  Erodium botrys A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23878 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR167074  Erodium botrys Scott D. White 2005-3-29 10846 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
  UCR199916  Erodium brachycarpum Scott D. White, Jamie Minor 2008-3-13 11766 Riverside San Gorgonio Pass, Banning: south of Union Pacific RR, powerline route from Sunset Ave to 1 mile west 762 Comment
  CDA4668  Erodium cicutarium T. C. Fuller 1963-4-23 10296 Riverside San Jacinto Mountains; Highway 74 to Palm Desert, just east of Pinyon Flat. 0 Comment
  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
  UCR97247  Erodium cicutarium Scott D. White 1997-2-28 4720 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UCR217546  Eryngium aristulatum var. parishii Diane Menuz 2009-5-14 496 Riverside Peninsular Ranges: Santa Ana Mountains, Santa Rosa Plateau. Western side of Mesa de Burro, in series of 4 vernal pools 609 Comment
  LA204344  Erysimum capitatum var. capitatum Elizabeth Levine; 1949-5-22 sn Riverside Off the Pines to Palms Highway past Lake Hemet Comment
  RSA0014884  Erythranthe tilingii Ralph Hoffmann 1929-9-5 s.n. Riverside Tahquitz Valley, San Jacinto Mountains. 2439 Comment
  RSA0022975  Eschscholzia androuxii F. W. Peirson 1927-4-11 7153 Riverside 0.5 mile below Whitewater Bridge, head of Coachella Valley. Comment
  UCR90744  Eschscholzia caespitosa Scott D. White 1995-4-5 2755 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  UCR274075  Eschscholzia californica T. B. Salvato, Gregg Miller 2005-6-7 1432 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  CAS-BOT-BC83131  Eschscholzia minutiflora Annie M. Alexander; Louise Kellogg 1941-5-15 2179 Riverside North base of Eagle Mountains. 914 Comment
  CAS-BOT-BC91566  Eschscholzia minutiflora Lewis S. Rose 1937-4-9 37138 Riverside Palms to Pines Highway, 15 miles west of Indio. 838 Comment
  RSA727397  Eschscholzia minutiflora Naomi Fraga, Lisa Rojas 2005-2-10 1397 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  RSA777723  Eschscholzia minutiflora Jim Andre, G. L. Clifton 2011-2-22 17424 Riverside Mecca Hills; along Box Canyon Road, 8.5 miles NE of town of Mecca 171 Comment
  SEINET12102699  Eschscholzia minutiflora Unknown 1936-1 12860 Riverside near Palm Springs Comment
  RSA0023220  Eschscholzia papastillii Robert F. Thorne 1963-3-29 32369 Riverside 5 miles E of Mecca, Mecca Hills. 152 Comment
  CAS-BOT-BC419644  Eschscholzia parishii S. B. Parish 1907-4-1 6103 Riverside Whitewater, Colorado Desert Comment
  SBBG2341  Eschscholzia parishii H. and M. Dearing 1937-4-10 415 Riverside NW of Indio Comment
  UC855197  Eschscholzia parishii I. W. Clokey 1935-4-17 6631 Riverside Cottonwood Springs Comment
  UCR116809  Eschscholzia parishii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23939 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  RSA0010855  Eucalyptus camaldulensis A. C. Sanders 1998-3-11 21656 Riverside Shipley/Skinner Reserve: SW of Crown Valley in upper Rawson Canyon area 595 Comment
  UCR251310  Eucrypta chrysanthemifolia T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7425 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  UC666589  Eucrypta chrysanthemifolia var. bipinnatifida Harlan Lewis and Carl Epling 1942-4-26 1607 Riverside near Split Rock Tank; Joshua Tree National Monument Comment
  SEINET7073346  Eucrypta chrysanthemifolia var. chrysanthemifolia A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  UCR225185  Eucrypta chrysanthemifolia var. chrysanthemifolia Steve Boyd, Susan Jett 2008-3-20 11834 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
  POM118675  Eucrypta micrantha Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA0124118  Eulobus californicus Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8742 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 123 Comment
  SBBG47468  Eulobus californicus N. C. Cooper 1944-5-6 1210 Riverside Whitewater Cyn 457 Comment
  UC20222  Eulobus californicus Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  RSA0123118  Euphorbia eriantha Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9028 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
  UCSB12561  Euphorbia lurida Olsen, David 1961-5-6 Riverside San Jacinto Mountains; 300 meters west of Riverside Highway 1, 8.2 miles south of Vista Guard Station 1798 Comment
  UCR85145  Euphorbia maculata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16040 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  JEPS44387  Euphorbia palmeri Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4267 Riverside first saddle n Toro Peak; Santa Rosa Mountains 2499 Comment
  RSA220978  Euphorbia peplus E. W. Lathrop 1966-5-8 6410 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  UCR135818  Euphorbia polycarpa A. C. Sanders, Guy Bruyea 2004-4-2 27431 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  RSA432487  Euphorbia polycarpa var. hirtella N. C. Cooper 1944-5-20 2646 Riverside Pinyon Flats. 1067 Comment
  SD83592  Euphorbia polycarpa var. hirtella R. Mitchel Beauchamp 1970-11-15 1391 Riverside 7 miles east of Mecca in sandy areas 89 Comment
  RSA737118  Eustoma exaltatum Justin M. Wood 2008-10-15 184 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  POM4688  Euthamia occidentalis F. M. Reed 1904-11-5 380 Riverside Vicinity of Riverside Comment
  SBBG119060  Euthamia occidentalis S. D. White with A. Carey 2004-9-16 10758 Riverside Indian Crk watershed, above confluence with San Jacinto River; T1E R5S S2, NE 1/4 579 Comment
  UCR112103  Fagonia laevis A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23354 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR89547  Fagonia laevis George K. Helmkamp 1994-3-10 43- 3 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  UCR99208  Fatoua villosa Steve Morgan 1990-11-30 s.n. Riverside Riverside, UCR Botanical Garden 366 Comment
  UCR75045  Ferocactus cylindraceus A. C. Sanders, E. J. Lawlor 1992-4-4 12159 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR20860  Festuca microstachys var. microstachys A. C. Sanders 1978-6-11 886 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  JOTR35351  Festuca octoflora Andre, Jim 2012-4-11 20680 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  UCR137492  Festuca octoflora D. L. Banks, V. W. Steinmann 1997-3-13 1524 A Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR2421  Festuca octoflora F. M. Reed 1906-3-13 904 Riverside Riverside, sec. 30 corner of Reserve Ranch, near east 8th St. 305 Comment
  UCR84847  Festuca octoflora A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16126 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  RSA336045  Filago californica R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52030 Riverside Chino Canyon Comment
  UCR137699  Filago californica D. L. Banks, V. W. Steinmann 1997-3-13 1513 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR155942  Filago californica T. B. Salvato, Kent Beaman 2005-5-16 823 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
  RSA500099C  Filago gallica Steve Boyd, Tim Ross, L. Arnseth 1989-4-2 3211 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  RSA586503  Filago gallica D. L. Banks, S. D. Boyd 1995-5-9 0334 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  CDA5867  Flaveria trinervia Lew Davis 1977-12-15 Riverside 1 mile north of Freeway 91, west side of McKinley Street, Corona. 0 Comment
  POM11930  Forestiera pubescens P. A. Munz, I. M. Johnston 1922-5-21 5511 Riverside Hemet Valley. 2 miles below Kenworthy, San Jacinto Mts. 1402 Comment
Read comments
Mar 25 2011
  UC511831  Forestiera pubescens Frank W. Peirson 1933-4-13 10647 Riverside road from Deep Canyon to Idyllwild (at Palm Creek crossing) 1386 Comment
  RSA788977  Fouquieria splendens Aaron C. Sedgwick, David Fraker 2012-3-28 36 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UC217985  Fragaria vesca P. A. Munz and I. M. Johnston 1922-5-19 5388 Riverside 3 mi w Keen Camp; San Jacinto Mts. 1493 Comment
  SD181360  Frangula californica subsp. cuspidata Scott D. White, Pam DeVries 2000-4-25 7731 Riverside Corona area; eastern foothills of Santa Ana Mts just above cirtrus groves 412 Comment
  SEINET6694603 Image available Fraxinus dipetala F. A. Thackery 1927-1 298 Riverside Banning Comment
  RSA717477  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11133 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCD122023  Fraxinus velutina A. C. Sanders; O. F. Clarke 1991-6-10 11132 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCR132721  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11133 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCD139667  Fritillaria biflora Steve Boyd 1986-3-1 1375 Riverside Gavilan Plateau, Gavilan Hills: Ida-Leona Road west of Piedras Road, east 1/2 of border. 624 Comment
  SBBG58630  Funastrum hirtellum Anstruther Davidson -Apr-1893 Riverside Palm Springs Comment
  SEINET10936006  Funastrum hirtellum David B. Dunn 1948-2-21 Dunn 3691 Riverside Found on steep ravine down s. Slope from hill with quad. 5. Pushawalla canyon, indio hills of the colorado desert; w. Of indio. Comment
  UCR228166  Funastrum utahense Dave Silverman, Mark Bibbo 2010-3-31 7899 Riverside Sonoran (Colorado) Desert, southern McCoy Mtns, east bajada flank, 2.1 km west of Black Creek Rd, 6.5 km ENE of McCoy Peak and 6.6 km north of I-10 189 Comment
  UCR231747  Galium angustifolium John F. Green 2008-4-23 08- 03 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
  JEPS56073  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4241 Riverside at Keyes Drive San Jacinto Mts. Poppet Flat 1097 Comment
  JEPS56082  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4281 Riverside along hwy about 1 1/2 mi w Mountain Center (at junction with Baldy Mountain Camp Rd, steep s-facing hillside) Comment
  RSA0099989  Galium angustifolium subsp. angustifolium Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8580 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  POM367711  Galium angustifolium subsp. gracillimum H. de Forest, Jack Rempel 1934-4-15 19820 Riverside Taquitz Canyon, south wall 244 Comment
  POM36776  Galium aparine N. C. Cooper 1947-4-5 2040 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  SBBG34186  Galium aparine T. L. Secrest 1951-5-19 Riverside San Jacinto Mtns near Idlewild Comment
  UCR147258  Galium californicum subsp. primum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1280 b Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  CDA6667  Galium murale A. C. Sanders 2001-5-1 24251 Riverside San Bernardino Valley region; Riverside, Blaine St. at RR tracks near intersection with Watkins Dr. Comment
  RSA543906  Galium nuttallii Steve D. Boyd, Orlando Mistretta 1991-5-22 6285 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UC64380  Galium parishii H. M. Hall 1897-7-30 Riverside Santa Rosa Peak San Jacinto Mountains Comment
  UCD121905  Galium porrigens var. porrigens A. C. Sanders; P. MacKay, T. Thomas and O. Clarke 1997-5-4 20644 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
  POM367820  Galium stellatum N. R. Zabriskie, W. M. Zabriskie 1972-3-28 486 Riverside North Canyon, Andreas Canyon watershed, east slope San Jacinto Mts. 610 Comment
  JOTR16841  Galium stellatum var. eremicum Vanderspek & Youse 1976-2-7 4 /19/1964 Riverside Joshua Tree National Park. WILSON CANYON Comment
  RSA776012  Galium stellatum var. eremicum Duncan S. Bell 2010-3-20 616 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  RSA776845  Galium stellatum var. eremicum Amber Swanson 2011-3-18 231 Riverside Near campsite off Corn Spring Rd in Chuckwalla Mtns 575 Comment
  CAS-BOT-BC158072  Garrya veatchii S. B. Parish 1918-4-3 11697 Riverside Brush lands, San Jacinto River Comment
  UCR117074  Gaura sinuata A. C. Sanders, Steven R. Hill 2001-5-4 24127 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 345 Comment
  OBI5886  Gayophytum diffusum subsp. parviflorum Carl B. Wolf 1932-8-5 3932 Riverside Summit of Devil's slide Trl from Idyllwild to Tahquitz Valley, San Jacinto Mts 2438 Comment
  UCSB4350  Gayophytum ramosissimum Kamb, Peter 1948-7-4 Riverside Hall Canyon, San Jacinto Mts 1645 Comment
  UCR166077  Gazania linearis John F. Green 2005-2-10 s.n. Riverside Perris-Aguanga Basin, Moreno Valley; N of the 60 Fwy, NW block at intersection of Lasselle St and Ironwood Ave 573 Comment
  SEINET236366  Geraea canescens Scott D. White, Pam Devries 1998-2-9 6071 Riverside La Quinta/ Palm Desert Area: White water River Channel at and near Miles Ave. Crossing. Coachella Valley. 30 Comment
  UCR260964  Geraea canescens Duncan S. Bell 2013-1-30 4457 Riverside Sonoran (Colorado) Desert, the Mecca Hills, beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected 23 Comment
  RSA0036275  Geraea canescens M. B. Dunkle 1933-3-4 3058 Riverside Painted Canyon. Colorado Desert. 30 Comment
  SEINET9122025  Geraea canescens K. K. Muller 1965-1 1275 Riverside Vacant fields at edge of Indio, very common in sandy soil. Comment
  UCR118404  Gilia A. C. Sanders 1994-5-30 14602 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCR261443  Gilia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41431 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
  RSA719234  Gilia Michael Honer, L. Hulse 2004-4-3 1919 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canyon. 610 Comment
  RSA628246  Gilia angelensis George K. Helmkamp, E. A. Helmkamp 1997-3-5 1335 Riverside Cabazon; 0.5 mi N of I-10 on Millard Rd. 564 Comment
  RSA670710  Gilia angelensis B. C. Templeton, I. W. Clokey 1930-4-9 1027 Riverside North Banning 610 Comment
  RSA776210  Gilia angelensis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 862 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  UCR225729  Gilia angelensis A. C. Sanders, T. B. Salvato 2011-3-30 38898 Riverside Peninsular Range, city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  UCR241950  Gilia angelensis A. C. Sanders, Timothy W. Chumley 2013-3-28 40709 Riverside Peninsular Range, Alberhill, along Lake St. 1.45 km south of I-15, near old clay mines 396 Comment
  UCR281471  Gilia angelensis Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-3-31 317- 97 Riverside Temescal Valley, Corona, N side of Campbell Ranch Rd., 0.2 miles E of intersection with Temescal Canyon Rd. 330 Comment
  SBBG101644  Gilia capitata subsp. abrotanifolia S. Boyd with L. Arnseth, Y. Rasmussen, H. Cota 1990-5-3 4530 Riverside Vail Lake area at jct of Hwy R3 and Powerline Rd, NE of the lake Comment
  UC52725  Gilia capitata subsp. abrotanifolia H. M. Hall 1902-4-26 2985 Riverside Greene Canyon vicinity of Riverside, Greene Canyon 609 Comment
  RSA470270  Gilia capitata subsp. abrotanifolia N. C. Cooper 1945-5-24 1625 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UC908945  Gilia diegensis Carl Meyer June, 1927 201 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow (Forest Floor, San Jacinto Mts.) 1676 Comment
  UCR277162  Gilia maculata Robert J. Steers 2008-3-18 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Hwy 62 south of intersection with N Indian Canyon Dr., at major wash crossing, NW of Desert Hot Springs 513 Comment
  RSA0016285  Gilia ochroleuca subsp. exilis H. M. Hall 1901-06 2060 Riverside The vicinity of Chalk Hill 1524 Comment
  UCR166297  Gilia scopulorum A. C. Sanders, K. C. Rose 1995-4-27 16726 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  POM13890  Gilia stellata P. A. Munz, D. D. Keck 1922-4-9 4822 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  RSA554370  Gilia stellata Theo Glenn 1991-4-9 91 -10 Riverside Big wash in Eagle Mountains 786 Comment
  RSA657244  Gilia stellata J. Mark Porter, Valerie Soza, Gary D. Wallace 2001-4-2 12343 Riverside Coachella Valley, Desert Hot Springs, S of Big Morongo Wash, along Indian Ave, just S of the jtn. with Pierson Avenue. 396 Comment
  UCR214155  Gilia stellata T. B. Salvato 2010-4-20 4054 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  CAS-BOT-BC266504  Githopsis diffusa John Thomas Howell 1931-5-30 6593 Riverside Santiago Peak Trail, Santa Ana Mountains Comment
  RSA618004  Glinus lotoides R. E. Riefner Jr. 1998-8-13 98 -471 Riverside Elsinore Trough. Wildomar Comment
  UCR216242  Gnaphalium luteoalbum Oleg Pryadko 2008-5-2 054 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  POM8299  Gnaphalium microcephalum P. A. Munz 1920-2-28 3273 Riverside 3 miles west of Corona. 305 Comment
  RSA522097  Gnaphalium microcephalum Steve Boyd, Orlando Mistretta 1989-7-18 3765 Riverside Vail Lake Area, Temecula Creek Canyon 0.5 mi W of dam 421 Comment
  RSA561084  Gnaphalium microcephalum Steve Boyd, Orlando Mistretta 1992-4-22 6998 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
  UCR167825  Gnaphalium palustre T. B. Salvato, Melissa Clemons 2005-6-2 1399 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCR22145  Gnaphalium stramineum Steve Boyd 1980-7-12 335 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  POM285637  Grusonia parishii Lyman Benson 1954-5-2 15278 Riverside Queen Valley, Joshua Tree National Monument. 1357 Comment
  CAS-BOT-BC304636  Gutierrezia californica H. K. Wagnon; B. Rateaver 1944-1-8 279 Riverside Bed of Tachevah Canon [Canyon] below Dry Falls, Palm Springs 152 Comment
  CAS-BOT-BC304637  Gutierrezia californica Louis C. Wheeler 1933-12-1 2293 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  POM184157  Gutierrezia californica M. French Gilman 1932-11-30 1 Riverside Whitewater Point. Comment
  UCR111769  Gutierrezia californica Mitch Provance 1998-3-20 251 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville. This area is now known as Southridge 381 Comment
  RSA0121079  Gutierrezia microcephala Sherwin Carlquist 1958-10-12 630 Riverside Riverside - San Bdo. co. line. Comment
  UC494687  Gutierrezia sarothrae P. A. Munz 1932-10-16 12851 Riverside road Indio to Vandeventer Flat; Santa Rosa Mts. 1066 Comment
  SEINET11849059  Gutierrezia sarothrae M. T. Doutt 1931-1 778 Riverside Chino Canyon, Palm Springs Comment
  SEINET11849224  Haplopappus linearifolius E. A. Purer 1935-1 6445 Riverside Pine Valley, Pines & Palms Highway Comment
  HSC85385  Harpagonella palmeri Steve Boyd 1986-4-10 1644 Riverside Temscal Canyon: Along DePalma Rd. between Indian Truck Trail and Horsethief Canyon. 1.0 mi. E of Indian Truck Trail Comment
  SD181664  Harpagonella palmeri Steve Boyd 2001-4-12 10414 Riverside Gavilan Hills Region; southeast base of Alberhill Mountain on flats north of Nichols Road and west of Pierce Street. Comment
  RSA0066611  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4060 Riverside Vail Lake area, summit of 'Big' Oak Mountain at E end. 793 Comment
  UC1929308  Hedypnois rhagadioloides Scott D. White 2008-4-28 11913 Riverside San Gorgonio Pass; Banning, S of I-10 freeway and just N of San Jacinto Mountains toeslope. E of Sunset Ave; SCE powerline access road between Montgomery Creek and trailer park.. 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
  CAS-BOT-BC211545  Helianthemum scoparium H. M. Hall 1900-6-1 1409 Riverside Lytle Creek Canyon, San Antonio Mountains 609 Comment
  RSA651097  Helianthus annuus W. H. Grady 1948-2-24 s.n. Riverside Found 7 mi. west of Riverside. 243 Comment
  RSA683854  Helianthus gracilentus Scott D. White, Michael Honer 2003-4-4 8960 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UCR231737  Helianthus gracilentus John F. Green 2008-4-23 08- 06 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
  UCR261196  Heliotropium curassavicum A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41714 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
  UCR103912  Hemizonia kelloggii B. G. Pitzer 1997-4-11 3122 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
  UCR112494  Hemizonia kelloggii A. C. Sanders 1998-5-21 21870 Riverside Hemet, alkaline flats west of town, along Stetson Ave. west of Warren Rd. 457 Comment
  UCR75527  Hemizonia kelloggii A. C. Sanders 1993-5-17 14063 Riverside San Jacinto Valley, Hemet, south side Florida Ave (Hwy 74) on east side of California Ave. 460 Comment
  UCR85612  Hemizonia kelloggii Julie A. Greene, S. D. White 1993-7-5 1406 Riverside San Jacinto Valley, San Jacinto Wildlife Area, east of dirt road next to drying flood area. 433 Comment
  RSA727715  Hemizonia paniculata R. E. Riefner 2006-9-19 06 -444 Riverside Temecula Valley, c. 0.2 mi. west of I-15 Freeway along Temecula Creek, head of Santa Margarita River. 301 Comment
  UCR100377  Hemizonia paniculata A. C. Sanders, T. Tennant, A. Montalvo & B. Wagner 1997-11-20 21612 Riverside Lake Skinner Reserve area, Diamond Valley, canyon along Rawson Road going into hills toward Crown Valley 518 Comment
  UCR162884  Hemizonia pungens subsp. laevis Fred M. Roberts 1993-5-16 4883 Riverside Hemet, W side of Old Warren Road, c. 0.75km N Florida Avenue near Devonshire Road, c. 1.2km WSW summit of Tres Cerritos Hills 459 Comment
  UCR235053  Hemizonia pungens subsp. laevis A. C. Sanders, John F. Green 2012-5-27 40218 Riverside Peninsular Range; Perris-Aguanga Basin Region, Lake Elsinore, SE of Riverside Dr. (Hwy 74) on NE side of Pasadena Ave., NW of Central Ave. 386 Comment
  UCR244916  Hesperocallis undulata Jim Andre 2012-3-19 21357 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  CAS-BOT-BC131792  Hesperoyucca whipplei E. K. Balls 1955-4-25 20443 Riverside Mt. San Jacinto Comment
  UCR174536  Heterotheca grandiflora Jennifer H. Jones, Sarah Huels and Heather Schneider 2006-5-16 302 Riverside Peninsular Ranges, Box Springs Mtns. Trail along base of Mtns. N from Big Springs Road to the same latitude as Blaine Street. 384 Comment
  UCR92177  Heterotheca grandiflora D. L. Banks, Steve Boyd 1995-10-17 0770 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Mtns, Agua Tibia Wilderness Area, south of Dripping Springs Campground 512 Comment
  UCR99567  Heterotheca grandiflora Julie A. Greene, S. D. White 1993-7-5 1400 Riverside San Jacinto Valley, San Jacinto Wildlife Area, on raised wet area, west of dirt road 445 Comment
  CAS-BOT-BC310832  Heterotheca sessiliflora subsp. fastigiata D. E. Breedlove 1961-8-5 950 Riverside Hemet Valley, San Jacinto Mountains. Along State Highway 74, 5 miles east of Keen Camp 134 Comment
  RSA785656  Heterotheca sessiliflora var. sanjacintensis J. C. Semple, J. Chimielewski 1987-9-30 8985 Riverside CA-74, 12.7 km south of CA-243, south of Lake Hemet. Comment
  UCR23297  Heterotheca villosa var. scabra John C. Roos, Lucille Roos 1950-10-21 5011 Riverside Mojave Desert, Little San Bernardino Mountains, Wonderland of Rocks [Joshua Tree National Park] 1220 Comment
  SDSU20376  Heuchera hirsutissima Michael G. Simpson, Matt Guilliams, Michael Silveira, Lori Simpson 2007-6-25 2900 Riverside San Jacinto mountain, ca. 100 feet northeast of peak. 3287 Comment
  UC858011  Heuchera hirsutissima P. A. Munz 1922-7-7 6044 Riverside San Jacinto Peak 3285 Comment
  RSA432780  Hibiscus denudatus Christopher Davidson, J. Jones 1980-4-5 9961 Riverside west end of the Orocopia Mts in a small canyon and wash, almost due south of Oro Peak. Comment
  RSA717653  Hibiscus denudatus Scott D. White, Pam DeVries 2006-3-14 11252 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  POM8616  Hoffmannseggia glauca P. A. Munz, R. D. Harwood 1920-4-3 3574 Riverside Ford's Well west of Blythe. 305 Comment
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Dec 13 2016
  RSA550342  Hoffmannseggia glauca Walter Wisura, John Dolan, Michael Wall 1992-2-25 4646 Riverside Ford dry lake N of I-10 at Hopkins Well. Comment
  SEINET953934  Hoffmannseggia microphylla T. R. Van Devender, R. K. Van Devender 1986-1 86 -207 Riverside Cactus City Rest Area, Interstate Highway 10, about 23 miles east of Indio. Comment
  UCR189777  Holocarpha virgata subsp. elongata Amy Rowland 2007-9-5 108 Riverside Peninsular Range; Santa Ana Mountains, Tenaja Corridor at intersection of Corona Cala Camino and Avocado Mesa Roads 720 Comment
  RSA561056  Holodiscus discolor Steve D. Boyd, Tim S. Ross, D. E. Bramlet 1993-5-12 7357 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
  RSA679165  Holodiscus microphyllus Fred M. Roberts 2003-6-25 5934 Riverside Santiago Peak, NE slope off old road near jct. with Main Divide Truck Trail, 4.3km by road N bear Springs, 0.4km N summit. 1633 Comment
  SEINET251660 Image available Hordeum depressum A. C. Sanders 2004-5-12 27877 Riverside elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek (Lake Elsinore 7.5 Q.:) 378 Comment
  UCR112394  Hordeum depressum A. C. Sanders, K. C. Rose 1998-5-21 21857 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
  RSA0012170  Hordeum intercedens A. C. Sanders, T. B. Salvato 2011-4-4 38974 Riverside Warm Springs Valley, 0.4 mi. WNW (276 deg ) of intersection of Collier Ave. & Riverside Dr./Hwy 74, NE of Baker St. 387 Comment
  SEINET954330 Image available Hordeum intercedens Mitch Provance 2005-1 6554 Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, ca. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site. 396 Comment
  CAS-BOT-BC285110  Hordeum marinum subsp. gussoneanum Philip A. Munz 1937-3-27 14936 Riverside Overflow from Lake Elsinore, Elsinore 304 Comment
  UCR92715  Hordeum marinum subsp. gussoneanum A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18061 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  RSA651785  Hordeum murinum subsp. glaucum Markell Kohn 1959-4-29 s.n. Riverside UCR campus, Riverside. Behind greenhouse 16, 10 yards south of Eucalyptus tree by driveway Comment
  LA207994  Horkelia clevelandii var. clevelandii Carl Epling; William Robison 1935-6-30 sn Riverside Mt. San Jacinto, between Pine Flat Camp and Fuller's Mill Comment
  JEPS68625  Horsfordia newberryi Marjorie D. Clary 1930-1 Riverside Coral Reef Ranch Colorado Desert Comment
  RSA587420  Hulsea heterochroma D. L. Banks, S. D. Boyd 1995-6-2 0564 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
  CLARK-A1528-1951  Hulsea vestita John C. Roos 1965-6-13 Riverside San Jacinto Mountains Comment
  JEPS34890  Hulsea vestita subsp. callicarpha E. Craig Cunningham 1940-5-9 Riverside Santa Rosa Peak Santa Rosa Mts. 1524 Comment
  SEINET480191  Hulsea vestita subsp. callicarpha D. Wilken 1969-6-30 Riverside Along road to Toro Peak, 5.9 miles south of California State Hwy 74, Santa Rosa Mountains Comment
  UC897987  Hulsea vestita subsp. callicarpha P. A. Munz 1922-9-7 6405 Riverside above Tamarack Valley; San Jacinto Mountains 3048 Comment
  SEINET11839636  Hulsea vestita var. callicarpha C. W. Tilforth, Wisura, W. 1979-1 1922 Riverside along Thomas Mtn. Rd, 10.4 mi from N jct with Hwy 74, S of Lake Hemet Comment
  POM293695  Hymenoclea salsola Lyman Benson 1949-3-28 13570 Riverside Wash at east end of Pines to Palms Highway just above junction of Palm Springs-Indio Road; Mt. Range: Santa Rosa Mountains; Drainage area: Colorado Desert. 304 Comment
  RSA458248  Hypericum formosum var. scouleri M. B. Dunkle 1933-7-20 3711 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  SEINET269589  Hypochaeris glabra Scott White 1994-6-23 2092 Riverside San Gertudis Creek ca. 1 mi. E. of Skink Hollow. (Batchelor Mountian Quad.) 396 Comment
  CAS-BOT-BC219746  Hyptis emoryi S. B. Parish 1896-4-4 4137 Riverside Palm Springs, (Agua Caliente), desert base of San Jacinto Mt. 213 Comment
  CAS-BOT-BC219747  Hyptis emoryi Geo. B. Grant 1906-5-1 776 -6610 Riverside On Colorado Desert at Palm Springs Comment
  JEPS63226  Hyptis emoryi W. L. Jepson 1912-10-30 5250 Riverside Black Point Colorado River, , Black Point (Riverside Mts.) 88 Comment
  LA61542  Hyptis emoryi Harlan Lewis; 1935-4-6 sn Riverside Palm Springs 138 Comment
  LA61598  Hyptis emoryi A. M. Johnson; 1933-4-28 4224 Riverside Indian Wells highway along new mountain highway to Hemet, 2 to 3 mi. up from Palm Springs Comment
  SD111918  Hyptis emoryi Barbara Ertter, Jeffery Strachan 1980-5-20 3478 Riverside Pines to Palms Hwy (Hwy 74) near Black Hill between Palm Desert and Santa Rosa Mt. 914 Comment
  SEINET238746  Hyptis emoryi K. Kirtland 1998-11-6 s.n. Riverside Sonoran Desert: sand and gravel mine ca. 8 miles (airline) N of Blythe SW of Big Maria Mtns. on Midland Road. 137 Comment
  UC68705  Hyptis emoryi H. M. Hall Apr. 1905 5814 Riverside 10 mi w Coachella; Colorado Desert, w of Coachella 91 Comment
  SEINET12277044  Hyptis emoryi L. S. Rose 1936-1 36791 Riverside Palm Canyon Wash 152 Comment
  CDA5543  Ipomoea triloba T. C. Fuller 1962-10-2 9701 Riverside Northwest of Neighbors Boulevard & Avenue 22, 1.4 miles north of Ripley. 0 Comment
  CDA5544  Ipomoea triloba T. C. Fuller 1962-10-2 9704 Riverside Palo Verde Valley; South side of Avenue 32, 0.6 mile east of Ludy Boulevard, 6.9 miles southwest of Ripley. 0 Comment
  CAS-BOT-BC311533  Isocoma acradenia var. acradenia A. C. Sanders; S. White; C. L. Sanders 1994-10-9 15818 Riverside San Bernardino Mountains: Whitewater Cyn., 2 mi. below trout farm, above Bonnie Bell 550 Comment
  POM153346  Isocoma menziesii var. vernonioides P. A. Munz, I. M. Johnston 1928-9-12 11306 Riverside Dry flats near Lake Elsinore Comment
  CHSC83701  Isomeris arborea John Dittes 2002-1-4 2 -45 Riverside Mojave Desert; Little San Bernardino Mountains, ca. 6.5 air-miles north of Indio. In wash on bajada of West Berdoo Canyon, northwest of Berdoo Canyon 4WD trail. 243 Comment
  UC68545  Isomeris arborea H. M. Hall Apr 1905 6005 Riverside Cottonwood Pass; Colorado Desert 609 Comment
  UC857719  Isomeris arborea N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Oasis Comment
  UCR172146  Iva axillaris A. C. Sanders 2006-5-11 32264 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  RSA182247  Ivesia saxosa James Henrickson 1965-6-8 2000 Riverside In Joshua Tree Nat. Monument, 3/4 mi. NW of Hidden Valley 1280 Comment
  UC12497 Image available Ivesia saxosa H. M. Hall 1901-8-2 2605 Riverside below Round Valley (Chino Creek); San Jacinto Mountains; Chino Creek, below Round Valley, San Jacinto Mts. 2438 Comment
  RSA0011072  Juglans californica A. C. Sanders, O. F. Clarke 1991-6-10 11128 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 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
  RSA0013145  Juncus bufonius var. bufonius LeRoy Gross, Caitlin Elam 2013-5-14 6071 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  POM14371  Juncus bufonius var. occidentalis Phillip A. Munz 1922-5-5 5161 Riverside 0.5 mile north of March Field [March Air Force Base]. Comment
  JEPS66951  Juncus cooperi S. B. Parish 1912-10-10 8382 Riverside Dos Palmas Colorado Desert, Salton Basin 0 Comment
  RSA601211  Juncus effusus subsp. austrocalifornicus Scott D. White 1996-8-15 4463 Riverside San Jacinto Mountains, Idyllwild Area: Alvin Meadows and unnamed canyon upstream. USGS Blackburn Canyon 7.5 topo (immed. adjacent to Idyllwild topo) 1524 Comment
  POM259178  Juncus saximontanus Phillip A. Munz 1938-8-13 15324 Riverside Cedar Spring, north base of Santa Rosa Peak. 2287 Comment
  UCR109745  Juncus xiphioides T. W. Fisher 1969-6-18 s.n. Riverside Peninsular Range, Temecula area, Vail Lake 457 Comment
  CLARK-A1528-2670  Juniperus californica John C. Roos 1947-2-15 3265 Riverside Eagle Mountain Comment
  UCR1721  Juniperus californica Frank C. Vasek 1963-3-31 630331- 02 Riverside Sonoran (Colorado) Desert, small valley in a canyon just south of highest peak in Coxcomb Mtns. 1067 Comment
  SJSU127  Justicia californica C. D. Duncan 1933-3-25 Riverside between Mecca & Shavers Well Comment
  UC972195  Justicia californica Alice Yates and Jas. E. Wilcox 1952-4-5 29 Riverside between Box Canyon and Smoke Tree Nat'l Monument 152 Comment
Read comments
Aug 21 2007
  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
  GMDRC3101  Kallstroemia californica J. Andre, T. La Doux 2008-9-13 10262 Riverside Chuckwalla Valley: along Hwy 177 (northwest side), southeast end of Coxcomb Mountains 33 deg. 48.724' N 115 deg. 16.87' W. Elev. 527 ft. 161 Comment
  UCR172787  Keckiella antirrhinoides Wayne Law, Jun Hu 2000-5-16 13 Riverside Peninsular Ranges; Santa Ana Mtns., Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi south of Corona 396 Comment
  CLARK-A1528-4278  Keckiella cordifolia John C. Roos, Lucille Roos 1952-6-24 5786 Riverside Beaumont 731 Comment
  RSA678931  Keckiella cordifolia Scott D. White, Michael Honer 2003-6-3 9474 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  RSA6016  Keckiella rothrockii subsp. jacintensis Carl B. Wolf 1932-8-5 3933 Riverside Summit of Devil's Slide Trail from Idyllwild to Tahquitz Valley. 2439 Comment
  UCR30791  Keckiella ternata A. C. Sanders, W. Rehlaender, N. M. Fellows 1983-6-28 3867 Riverside San Jacinto Mtns., Mt. Edna Road, 0.2 mi west of Hwy 243, about 5 mi above Banning. 1067 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
  UCSB16823  Krameria bicolor Winn, Will 1963-4-8 Riverside 37.9 miles east of Desert Center on U.S. Highway 60-70 243 Comment
  RSA697951  Krameria canescens J. R. Bruff 1927-11-24 6 Riverside Whitewater. Comment
  RSA409440  Krameria erecta George B. Grant 1906-05 6786 Riverside Palm Springs Comment
  RSA457794  Krameria erecta Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2204 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  UC570040  Krameria grayi H. S. Yates 1936-4-8 5454 Riverside near Fish Springs; Thermal Quad. 60 Comment
  UCR74379  Krameria grayi Theo Glenn 1991-5-1 91- 52 Riverside Sonoran (Colorado) Desert, McCoy Mts, NW of Blythe 240 Comment
  UC68945  Laennecia coulteri H. M. Hall 1905-4-1 5941 Riverside Paloverde Valley Colorado Desert,Paloverde Valley 76 Comment
  UCR133329  Lamarckia aurea John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR19162  Langloisia setosissima John C. Roos, Lucille Roos 1949-4-6 4148 Riverside Sonoran Desert, hills 10 mi east of Mecca along the All-American Canal Comment
  CSUSB2115  Larrea tridentata Wayne White 1975-5-10 700 Riverside On Highway I-10 to Red Cloud Road Chuckwalla Mts. Colorado Desert 451 Comment
  LA209866  Larrea tridentata Miss Helflaud; March 1925 8723 Riverside Palm Springs Comment
  RSA795738  Larrea tridentata Jim Andre 2012-3-18 21291 Riverside Palen Valley; along Rice Road (Highway 177) east of Coxcomb Mountains, 9.6 miles south of Highway 62. 208 Comment
  SEINET7907983  Larrea tridentata D. A. Johnson 2005-1 Riverside Between Coachella & S entrance to Joshua Tree Nat'l Park, S of Interstate 10 914 Comment
  UCR251960  Larrea tridentata Max Brodie 2014-4-6 04 Riverside San Bernardini Mtns./Sonoran (Colorado) Desert, Whitewater Canyon off Whitewater Canyon Rd., along Whitewater River near town of Bonnie Bell, c. 2 miles north of Hwy I-10 488 Comment
  UCSB9620  Larrea tridentata Hawkins, L. 1956-4-13 Riverside Dry stream bank in Whitewater Canyon Comment
  CAS-BOT-BC412729  Lastarriaea coriacea Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  RSA784516  Lastarriaea coriacea Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 73 Riverside Crossing of Woodchunk road and 79 Hwy Comment
  SD152780  Lastarriaea coriacea Steve Boyd, T. Ross, D. Bramlet 1993-5-13 7364 Riverside San Mateo Canyon Wilderness area, Los Alamos Canyon at mouth of Wild Horse canyon 410 Comment
  POM8719  Lasthenia californica P. A. Munz 1920-4-11 3806 Riverside Santa Ana River Canyon, near Rincon. 305 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
  RSA678426  Lasthenia coronaria Michael Wall 2003-4-15 265 Riverside Lamb Canyon west of Beaumont, off Hwy. 79, 5.2 mi. south jct. with 10 Fwy up dirt road at turnout along west side of Hwy. 602 Comment
  RSA0035240  Lasthenia glabrata Andrew Haimov, April Sleigh 1992-4-20 77 Riverside 20 meters east of Davis Road, 1 1/2 miles north of Ramona Expressway, San Jacinto Wildlife Area access road. Comment
  CAS-BOT-BC328104  Lasthenia glabrata subsp. coulteri D. Bramlet 1995-5-5 2407 Riverside 7.5 km W of Lakeview and some 90 m SE of the intersection of the Ramona Expressway and Martin Road (Road to Lakeview Hot Springs). 435 Comment
  IRVC27654  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1997-3-13 2490 Riverside Nichols Road Wetlands, ca 335 m SE of Nichols Road, 91m W of Collier Ave. and 305 m W of the I15, E of the existing dirt road extending S from Nichols Rd. and adjacent to Alberhill Creek 381 Comment
  RSA550495  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-3 2214 Riverside Entrance to San Jacinto Wildlife area some 152m east of Davis Road. and 10m south of the exisitng access road. The site is some 137m south of the exsiting headquarters building and some 76m south of a waterfowl pond. 434 Comment
  POM47486  Lasthenia gracilis Mary F. Spencer 1920-4-7 1434 Riverside Palm Canyon; Colorado Desert. 244 Comment
  SDSU17520  Lasthenia gracilis Jerry Jenkins 2001-4-3 2001 -031 Riverside Santa Margarita Ecological Reserve. Ravine south of S. M. River, UTM zone 6, 482400E, 3700400N. UTM transfered to GIS. Comment
  UC34661  Lasthenia gracilis H. M. Hall 1902-4-26 2971 Riverside vicinity Riverside; Box Springs Mt. 701 Comment
  UCR112322  Lasthenia gracilis A. C. Sanders, K. C. Rose 1998-5-21 21863 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
  RSA510024  Lathyrus vestitus subsp. laetiflorus B. Pitzer, E. Misquez 1988-2-28 616 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  RSA606059  Lathyrus vestitus var. alefeldii R. S. Woglum 1937-5-22 586 Riverside Santa Rosa Mountains. Comment
  CHSC108889  Layia glandulosa Orlando Mistretta; D Bell, J England, J Hall, C McDonald, L Reccia 2010-4-13 4988 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 750 Comment
  JOTR32957  Layia glandulosa La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2708 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  CAS-BOT-BC379626  Layia platyglossa Carl B. Wolf 1935-4-7 6307 Riverside Gavilan Hills Region. 2 mi. SW of Perris, Rancho Santa Ana Botanic Garden 426 Comment
  CAS-BOT-BC379627  Layia platyglossa Palmer Stockwell 1935-5-12 1220 Riverside 2.5 miles north of Elsinore Comment
  RSA716823  Layia platyglossa A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25840 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  UC62906  Layia platyglossa H. M. Hall 1902-4-7 2758 Riverside vicinity Winchester 426 Comment
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Mar 20 2011
  UCR179209  Layia platyglossa Mitch Provance, Tracy Tennant 1998-6-16 MOR- 379 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon just south of Millard Guard Station 1037 Comment
  RSA92256  Layia platyglossa subsp. campestris F. W. Peirson 1918-03 1362 Riverside Cabaon, Whitewater, grade, E of Banning. 549 Comment
  IRVC26657  Lepechinia cardiophylla E. W. Lathrop 1973-6-28 7440 Riverside Main Divide Truck Trail between El Cariso and Santiago Peak, Cleveland National Forest Santa Ana Mtns. 1220 Comment
  CLARK-A1528-2318  Lepidium dictyotum John C. Roos 1950-3-18 Riverside La Sierra College Comment
  HSC85410  Lepidium dictyotum Steve Boyd 1986-4-2 1623 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 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
  POM184744  Lepidium fremontii C. L. Hitchcock 1932-4-8 12211 Riverside 1 mile west of Cottonwood Springs. Comment
  JOTR32155  Lepidium fremontii var. fremontii La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2309 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy wash in wide canyon that feeds southwest into Wilson Canyon, with gneiss outcrops on either side of canyon (Stop 5) Comment
  RSA718298  Lepidium lasiocarpum Michael Honer, L. Hulse 2004-4-2 1879 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  SEINET3522865 Image available Lepidium lasiocarpum B. Pitzer 1998-1-24 3391 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
  RSA777768  Lepidium lasiocarpum var. lasiocarpum Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 977 Riverside Road to Priest's Well, east side of Arica Mountains 488 Comment
  UCR116655  Lepidium latifolium A. C. Sanders, Carolyn Washburn 2001-5-10 24243 Riverside Perris-Aguanga Basin, San Jacinto River Valley, south side of intersection of Sanderson Ave. and Ramona Blvd., c. 4 mi. NW of San Jacinto 445 Comment
  UCR127146  Lepidium latifolium A. C. Sanders, Guy Bruyea 2003-6-12 26888 Riverside Perris-Aguanga Basin Region, Winchester, SW edge of town between Simpson Ave. and Olive Ave., c. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  CLARK-A1528-2326  Lepidium nitidum John C. Roos 1937-2-21 1313 Riverside La Sierra Comment
  UCD115888  Lepidium virginicum subsp. menziesii A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-7 24158 Riverside Perris-Aguanga Basin Region: S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. E of State St., between Silver Drew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon. 503 Comment
  UC10634  Lepidium virginicum var. pubescens Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains Comment
  UC10652  Lepidium virginicum var. pubescens H. M. Hall 1900-1 Riverside Strawberry Valley San Jacinto Mountains Comment
  POM9008  Lepidium virginicum var. pubescens P. A. Munz, R. D. Harwood 1920-3-20 3398 Riverside Temescal Canyon 366 Comment
  SD254575  Lepidium virginicum var. robinsonii D. E. Bramlet 1998-6-4 2632 Riverside North Domenigoni Hills, 3.8 miles ESE (97a^z) of Winchester (Winchester 7.5'Q) 608 Comment
  UCR113592  Lepidium virginicum var. robinsonii A. C. Sanders 1998-1-15 21632 Riverside Lake Skinner area, Black Mtn., along road up north side 884 Comment
  UCR127105  Leptodactylon californicum Mitch Provance 1998-6-1 570 Riverside Jurupa Mountains, SW Pyrite Canyon, c. 0.4 miles SSE of peak 1768 442 Comment
  CAS-BOT-BC226618  Leptosiphon floribundus subsp. hallii A. Davidson 1903-5-1 s.n. Riverside Thermal, Colorado Desert Comment
  POM46975  Leptosiphon lemmonii Mary F. Spencer 1919-6-21 1208 Riverside In open woods. 1616 Comment
  UCR281227  Leptosiphon parviflorus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 47 Riverside Temescal Valley, East end of Concordia Ranch Rd., open space adjacent to east side of the equipment yard 390 Comment
  UCR141256  Lessingia filaginifolia A. C. Sanders, Kelly Volansky 2004-10-6 28822 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  UCR193973  Lessingia filaginifolia A. C. Sanders 2008-7-25 35906 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  POM253439  Lessingia glandulifera var. glandulifera Thos. Craig, Frances Craig 1939-11 s.n. Riverside Aguanga. Comment
  POM361809  Lessingia glandulifera var. glandulifera H. de 1932-8-28 15808 Riverside W side San Jacinto Valley. Comment
  UCR140895  Lessingia glandulifera var. glandulifera Virginia Moran 2003-9-1 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  SDSU13579  Leymus condensatus W. Miller, C. Mosse 1972-7-5 Riverside Comment
  UCR60834  Lilaea scilloides R. F. Thorne 1973-5-23 43874 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  CHSC26247  Lilium parryi Dieter H. Wilken; Gary D. Wallace 1966-7-3 1052 Riverside Fuller Mill Creek, San Jacinto Mtns. 1524 Comment
  POM12754  Lilium parryi Philip A. Munz 1922-7-7 6066 Riverside Meadow N of Tahquitz Valley. San Jacinto Mountains. 2226 Comment
  RSA734988  Limnanthes gracilis subsp. parishii A. C. Sanders, Tim Thomas 2008-6-20 35537 Riverside May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR115943  Limonium sinuatum Mitch Provance 1998-6-11 674 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  UCR3376  Limonium sinuatum John Minnich 1964-2-22 64-2-22- 6 Riverside Jurupa Hills, Pedley, vacant lot at corner of Archer and Limonite Streets. 244 Comment
  RSA720443  Limosella acaulis Naomi S. Fraga, LeRoy Gross, Bill Hogshead 2006-6-12 1706 Riverside Along FS road west and paralleling Morris Ranch Road. Ca. 0.2 miles southwest of the FS roads junction with Morris Ranch Road. North east of Garner Valley. 1616 Comment
  UCR49262  Linanthus androsaceus subsp. micranthus Steve Boyd 1986-4-2 1631 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UC1329876  Linanthus aureus James E. Cole 1941-4-15 594 Riverside Pleasant Valley Joshua Tree National Monument 762 Comment
  POM13331  Linanthus bigelovii E. C. Jaeger 1921-4-1 1095 Riverside Pinon Flat. Comment
  SBBG64579  Linanthus bigelovii M. N. Ackley 1928-3-31 Riverside Hidden Spring Cyn 365 Comment
  RSA160526  Linanthus californicus J. D. Olmsted 1959-4-10 343 Riverside 3 miles south of Banning on highway to Idyllwild. 1067 Comment
  UCD166199  Linanthus californicus Jack Major 1962-4-16 764 Riverside Along shoulder and on cut banks of road from Banning to Mt. San Jacinto. (Exact location unknown. Coordinates estimated by label maker.) 914 Comment
  JEPS58360  Linanthus dianthiflorus W. L. Jepson 1901-5-17 1238 a Riverside near San Jacinto Lake Comment
  POM13011  Linanthus dianthiflorus subsp. farinosus P. A. Munz, I. M. Johnston 1922-5-20 5443 Riverside Hemet Valley, San Jacinto Mts. 1372 Comment
  UCR13884  Linanthus floribundus J. Zabriskie 1973-8-12 374 Riverside Santa Rosa Mtns., Horsethief Canyon Comment
  UCR216210  Linanthus jonesii Jim Andre, T. La Doux 2009-2-25 10829 Riverside Sonoran (Colorado) Desert, Big Maria Mountains, along west side of Hwy 95 just south of Black Point, c. 15 miles north of Blythe 94 Comment
  UCR18025  Linanthus lemmonii A. C. Sanders 1976-4-20 534 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  UCR22120  Linanthus lemmonii Steve Boyd 1980-4-13 126 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR19163  Linanthus liniflorus John C. Roos 1960-5-30 s.n. Riverside Peninsular Range/Santa Ana Mtns., ridge east of Sugarloaf [=Pleasants Peak] 1067 Comment
  RSA0047250  Linanthus maculatus J. Mark Porter, Leigh A. Johnson 1997-3-10 11467 Riverside Whitewater Canyon, ca. 1 mi. N of Whitewater (along Interstate 10). 474 Comment
  RSA585514  Linaria canadensis D. L. Banks, Steve D. Boyd 1995-5-9 376 Riverside NW Palomar Mountains; Agua Tibia Mountains; 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. 710 Comment
  RSA525350  Linaria canadensis var. texana Steve D. Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4448 Riverside Vail Lake area, benches along Kolb Creek, W of Dripping Springs, N of Hwy 79. 488 Comment
  UCR171720  Linaria canadensis var. texana John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  POM307240  Linum lewisii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2108 Riverside Santa Rosa Mountains. Comment
  POM153404  Lobelia cardinalis subsp. graminea P. A. Munz, I. M. Johnston 1928-9-12 11303 Riverside 2 miles S of Murrieta. Comment
  CSUSB536  Lobularia maritima H. C. Sharma 1976-4-26 760426 3 Riverside Washington Street, about 3 miles south of Washington Street on the side of Mocking Bird Canyon 335 Comment
  RSA0036779  Lobularia maritima Andrew Haimov, April Sleigh 1992-5-28 100 Riverside 125 meters east of Davis Road along main access road to San Jacinto Wildlife Area. 60 meters south of CDF main office building. Comment
  UCR26384  Loeflingia squarrosa A. C. Sanders, S. Hagopian 1981-5-20 2129 Riverside Agua Tibia Mountains Area, Wolf Valley, SE of Temecula, at the junction of Road S16 with the road to the Pechanga Indian Reservation 351 Comment
  RSA689548  Loeseliastrum schottii Scott D. White, Michael Honer 2003-4-25 9123 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  SBBG5940  Loeseliastrum schottii H. and M. Dearing 1937-4-10 1355 Riverside 16 mi N of Indio Comment
  UC1714467  Loeseliastrum schottii E. E. Schellenger 1911-4-24 Riverside s. Palm Springs; Colorado Desert Comment
  RSA776382  Loeseliastrum schottii Amber Swanson 2011-4-8 373 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  RSA676081  Logfia depressa Scott D. White 2001-4-3 8246 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UC1022808  Logfia depressa Philip A. Munz 1940-3-23 15688 Riverside n end Pinto Basin; Southern California, Mohave Desert 609 Comment
  UC405427  Logfia depressa Katharine Brandegee 1899-1 Riverside Colorado Desert Comment
  UCR59762  Logfia filaginoides Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3071 Riverside Peninsular Range, Vail Lake area, south of Hwy 79, 0.25 mi east of Pauba Road 457 Comment
  SEINET251731 Image available Lolium rigidum Walter Graves 2002-6-11 602 -2 Riverside Grown iat U.C.R. in Agricultural Operations Fields 305 Comment
  UCR22135  Lomatium dasycarpum Steve Boyd 1980-5-22 301 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau. east of the trailer park, E side of Gavilan Rd 625 Comment
  CLARK-A1045-187  Lomatium utriculatum George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains end of road; Wildomar 7.5'Q Comment
  RSA563886  Lomatium vaginatum Scott D. White 1993-4-20 1218 Riverside Ridge SE of Estelle Peak, Gavilan Hills. 793 Comment
  SEINET3154554  Lonicera subspicata F. M. Reed 1908-7-14 2393 Riverside San Jacinto mts.; ridge above strawberry valley. 1829 Comment
  RSA16379  Lonicera subspicata var. denudata Percy C. Everett 1935-6-17 7140 Riverside Santa Ana Mountains, near Glen Ivy Resort on Coldwater Canyon Trail to Santiago Peak. 457 Comment
  POM304887  Lotus argophyllus var. argophyllus Henry J. Ramsey, Henry J. Ramsey 1938-4-22 248 Riverside Santa Rosa Mountains. 1220 Comment
  POM229795  Lotus argyraeus var. argyraeus P. A. Munz 1937-5-30 15136 Riverside Santa Rosa Peak. 2409 Comment
  UCR102882  Lotus hamatus A. C. Sanders 1997-3-26 20126 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR214320  Lotus hamatus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38380 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR23912  Lotus heermannii John C. Roos 1952-6-13 5768 Riverside [Box Springs Mountains], Pigeon Pass. 427 Comment
  UCR35035  Lotus heermannii L. B. Ziegler 1967-8-2 199 Riverside Peninsular Ranges, San Jacinto Mtns., upper Herkey Creek area 1524 Comment
  UCR52322  Lotus nevadensis var. nevadensis Kevin Neal 1988-5-28 14 Riverside San Jacinto Mtns, near Chalk Hill, c. 1.5 mi. south of Idyllwild on Hwy 74 Comment
  RSA714382  Lotus oblongifolius T. B. Salvato, John F. Green 2004-5-27 604 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  SEINET3224409  Lotus purshianus var. purshianus G. Goodwin 2012-6-15 3463 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  JEPS55816  Lotus rigidus Marjorie Clary 1931-4-4 49 Riverside Devils Canyon Comment
  RSA498786  Lotus rigidus F. W. Peirson 1920-2-16 s.n. Riverside Murray Canyon, Palm Springs region. 274 Comment
  RSA406832  Lotus salsuginosus var. brevivexillus M. B. Dunkle 1935-3-30 4425 Riverside Pinto Basin, Colorado Desert. 915 Comment
  RSA629027  Lotus salsuginosus var. salsuginosus Scott D. White 1998-6-28 6791 Riverside Corona: River Road bridge over the Santa Ana River. 159 Comment
  UCR68619  Lotus salsuginosus var. salsuginosus Steve Boyd, D. E. Bramlet 1990-4-29 4501 Riverside Lake Skinner County Park, SE base of Bachelor Mtn. Comment
  RSA524473  Lotus strigosus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4077 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
  UC373113  Lotus strigosus M. Hilend 1927-4-2 Riverside between Mecca and Hidden Spring; Colorado Desert Comment
  UCR155039  Lotus strigosus A. C. Sanders, Kelly Volansky 2005-3-17 29221 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
  UCR225617  Lotus strigosus A. C. Sanders, T. B. Salvato 2011-3-29 38840 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  SEINET10937016  Lotus strigosus Noel H. Holmgren, Patricia K. Holmgren 1973-3-22 Holmgren 6470 Riverside Rice valley, 7 mi ssw of rice. T2s, r20e, sec 21. Sand dunes, common. Petals Yellow. 274 Comment
  SEINET3559988 Image available Lotus strigosus var. strigosus Noel H. Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-22 6470 Riverside Rice Valley, 7 mi S-SW of Rice 274 Comment
  UCR279413  Lotus strigosus var. tomentellus A. C. Sanders, Jim Malusa 2017-3-25 42989 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  JEPS85675  Lupinus W. L. Jepson 1939-4-17 19122 Riverside on rd to Temecula 2 mi s Corona (Corona); s of Corona Comment
  POM349939  Lupinus arizonicus Robert Gustafson 1978-3-21 843 Riverside Joshua Tree National Monument, about 4 miles from the junction of the road leading through the park and Hwy 70. 640 Comment
  RSA414833  Lupinus arizonicus E. C. Jaeger 1922-4-4 715 Riverside Chuckwalla Well 244 Comment
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May 29 2011
  RSA510034  Lupinus arizonicus B. Pitzer, S. Myers, J. Wilkinson 1988-2-21 603 Riverside S end of Coxcomb Mtns, 0.2 mi. N of Hwy 177 (Old Desert Center - Rice Road), 10.6 mi. NE of Desert Center. 229 Comment
  OBI42677  Lupinus bicolor B. Pitzer & K. Kirtland, K. Kirtland 1986-5-6 201 Riverside Butterfield State Ranch dev, in the hills on the N side of Pauba Valley, in the Ranch Calif area, 1 mi S of Buck Mesa on the E side of Butterfield State Rd. T7S, R2W, sec 36 457 Comment
  RSA715937  Lupinus bicolor Scott D. White, Angelia Carey 2004-4-5 10025 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR182308  Lupinus bicolor Mitch Provance 2003-4-5 6611 Riverside San Bernardino Valley, Jurupa Mountains, Glen Avon, slopes above the northern extreme of Campbell St 274 Comment
  SEINET10484904  Lupinus bicolor subsp. microphyllus David B. Dunn, Melvin L. Conrad; Robin C. Kennedy 1973-6-15 Dunn 20766 Riverside Coll. At the jct of hwy 74 and 71. A gas station on the sw corner. Area Generally chapparal with shaggy adenostema. Comment
  SEINET2062867 Image available Lupinus concinnus J. Easton 1987-4-23 Riverside E of Anza along Hwy 371, Hamilton Creek Canyon. 1249 Comment
  RSA543590  Lupinus concinnus subsp. concinnus Steve D. Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6142 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  RSA673506  Lupinus concinnus subsp. optatus Scott D. White, Bill La Haye 2000-5-27 7936 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  SEINET10485080  Lupinus concinnus subsp. optatus Charles R. Gunn 1963-5-29 Gunn 2630 Riverside Riverside co road r1, 1/2 mi above fulmore lake, san bernardino national forest , San jacinto mountains. White standard, blue keel and wings. Comment
  UC478969  Lupinus excubitus Marcus E. Jones 1931-5-17 28966 Riverside Keyes Ranch Comment
  UCR171730  Lupinus excubitus John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  POM307275  Lupinus excubitus var. austromontanus Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2144 Riverside Santa Rosa Mountains. Comment
  RSA613448  Lupinus excubitus var. hallii D. L. Banks, Victor W. Steinmann 1997-3-13 1444 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
  RSA796518  Lupinus excubitus var. hallii Robert F. Thorne, E. W. Lathrop 1977-5-18 49728 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  UCR35020  Lupinus formosus var. hyacinthinus L. B. Ziegler 1968-6-13 305 Riverside Peninsular Ranges, San Jacinto Mtns: Hemet (Garner) Valley 1402 Comment
  RSA644186  Lupinus hirsutissimus Scott D. White 1995-8-23 3583 Riverside San Jacinto Valley. San Jacinto Riv., just N of City of San Jacinto boundary, ca. 1 mi SE of bridge at State St. 463 Comment
  UC917869  Lupinus hirsutissimus Frank W. Gould 1943-4-18 2141 Riverside on Idlewild cutoff near Banning; near Banning Comment
  UCR245898  Lupinus hirsutissimus R. F. Thorne 1995-3-29 63009 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  RSA262118  Lupinus latifolius subsp. parishii E. W. Lathrop 1968-5-22 6932 Riverside Bear Spring on the Main Divide Truck Trail1 miles E of Santiago Peak, Cleveland National Forest Comment
  RSA413836  Lupinus latifolius subsp. parishii M. B. Dunkle 1933-7-20 3713 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA591824  Lupinus latifolius subsp. parishii E. W. Lathrop 1966-5-29 6394 Riverside Bear Spring on the Main Divide Truck Trail1 miles E of Santiago Peak, Cleveland National Forest Comment
  SD136844  Lupinus latifolius var. parishii Steve Boyd 1992-4-15 6851 Riverside Santa Ana Mountains, San Mateo Canyon wilderness Area, Bluewater Canyon along Bluewater Tr. Downstream to the confluence with San Mateo Creek 334 Comment
  UCR172212  Lupinus microcarpus var. densiflorus John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  RSA764578  Lupinus microcarpus var. horizontalis M. Wall 2010-5-10 561 Riverside East Hemet off Florida Ave. (Hwy 74) east of Lake Street, ca. 0.5 miles west of jct. with Mountain Ave [Ramona Expy]. 518 Comment
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May 22 2012
  SBBG114168  Lupinus microcarpus var. microcarpus R. Riggins 1982-4-15 1341 Riverside Guava St (DeLuz Rd) 0.4 mi S jct Washington Ave in Murietta Comment
  UCR18117  Lupinus pallidus A. C. Sanders 1978-4-2 00356 Riverside Sonoran (Colorado) Desert, Living Desert Reserve in Palm Desert [mouth of Deep Canyon] 152 Comment
  UCR132485  Lupinus shockleyi Chris E. True 2004-3-4 s.n. Riverside Coachella Valley, Windy Point, south side of point 311 Comment
  RSA653542  Lupinus sparsiflorus Scott D. White 1999-5-24 7383 (3 repl. total) Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 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
  RSA0049523  Lupinus sparsiflorus subsp. sparsiflorus Paul McLaughlin 1976-4-7 0407763 Riverside Box Springs Mountains, one mile west of Box Springs Mtn. Road along a County Park trail. 822 Comment
  RSA278318  Lupinus succulentus C. W. Tilforth 1979-4-11 1788 Riverside Hills on south side of Lake Skinner, east of Murrieta. 427 Comment
  RSA500220  Lupinus truncatus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3523 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA586734  Lupinus truncatus D. L. Banks, S. D. Boyd 1995-5-17 0457 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  CAS-BOT-BC231413  Lycium andersonii Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2178 Riverside Palen Pass at the N. end of the Palen Mtns. 500 Comment
  UCSB24939  Lycium andersonii Keefe, Joseph 1967-3-23 Riverside above Whitewater Canyon Road, 1.0 mile north of U.S. Highway 99, east of Banning 609 Comment
  RSA80303  Lycium torreyi F. W. Peirson 1916-4-1 1087 Riverside Palm Springs region, head of Coachella Valley. Comment
  SDSU21789  Lythrum hyssopifolia Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3989 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  UCR194209  Lythrum hyssopifolia Scott D. White, Angelia Carey 2004-6-4 10462 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR201949  Lythrum hyssopifolia Mike Misenhelter 2005-7-12 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 miles E of Sun City, c. 2 mi. SW of Winchester, Hemet U. School Distr. proposed elementary school site, 14 acres on south side of Salt Creek and NE of the intersection of Leon and Patton Rds. 444 Comment
  RSA301960  Machaeranthera asteroides J. R. Shevock 1972-10-14 2319 Riverside Near Anza, Hwy 71. Comment
  UCR34936  Machaeranthera canescens subsp. canescens L. B. Ziegler 1964-10-10 45 Riverside San Jacinto Mtns., Garner (Hemet) Valley 1402 Comment
  UCR163983  Machaeranthera cognata Ted Rado 2005-8-1 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, extreme SE end of Indio (Mecca) Hills, west of Dillon Rd. 61 Comment
  RSA433286  Malacothamnus densiflorus var. densiflorus Gale Sphon 1959-5-2 327 Riverside Horsethief Canyon, Elsinore Mountains Comment
  SDSU7520  Malacothamnus fasciculatus H. Wedberg 1962-5-23 949 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  UC310785  Malacothamnus fasciculatus Philip A. Munz 1925-5-20 9865 Riverside near Corona 426 Comment
  UCR41341  Malacothamnus fasciculatus N. M. Fellows 1984-3-20 2 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mtns, 1 mi west of Snow Creek Village 488 Comment
  RSA0087586  Malacothamnus fasciculatus C. W. Tilforth 1969-7-26 221 Riverside Road to Santa Rosa Mtn. Comment
  POM37220  Malacothrix californica Marcus E. Jones 1903-5-1 s.n. Riverside Banning 701 Comment
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Mar 13 2011
  CAS-BOT-BC347691  Malacothrix glabrata L. R. Abrams 1926-3-25 11048 Riverside Between Banning and Cabazon Comment
  POM362314  Malacothrix glabrata N. C. Cooper 1949-3-15 3033 Riverside Palm Springs. 122 Comment
  RSA543755  Malacothrix glabrata Steve Boyd, Mike Hammitt 1991-5-2 6075 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
  UCD39259  Malosma laurina Beecher Crampton 1963-5-7 6786 Riverside Western, 2 miles west of El Cariso Guard Station, Santa Ana Mountains, Cleveland National Forest. 701 Comment
  CLARK-A1528-429  Marah macrocarpa C. M. Flanagan 1973-5-31 Riverside Morongo Indian Reservation 975 Comment
  SDSU7027  Marrubium vulgare S. J. Barnhart 1966-4-17 660417 -14 Riverside SW facing slope of small hill .1 mile E of McAllister St. Along the Metropolitan Water Co. Utility raod (dirt), which is 1.5 miles SE of the intersection of McAllister St. and Victoria Ave. 457 Comment
  UCR274806  Marrubium vulgare David Fraker, Aaron C. Sedgwick 2012-3-27 049 Riverside Central Mojave Desert, Copper City Road [c. 1 mi south of its junction with Coolgardie Road], Coolgardie Mesa 1189 Comment
  RSA409843  Marrubium vulgare Jeannette B. Edge 1934-4-22 s.n. Riverside Jurupa Mountains, open field. 579 Comment
  RSA92748  Marsilea vestita J. C. Roos 1952-5-21 5704 Riverside San Jacinto River bottomland 1.5 miles southeast of Perris 426 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
  CSUSB1089  Medicago polymorpha Leland R. Dykes 1962-5-1 56 Riverside Santa Ana Mountains, San Mateo Canyon Road. 12.5 miles west of Palomar Road, Murrieta. Comment
  RSA496383  Medicago polymorpha Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3060 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  UCR187358  Melica frutescens R. E. Riefner Jr. 2006-8-2 06- 350 Riverside Peninsular Range, Lakeview Mountains, vicinity of Alicante Dr. and Jamawag Rd., NNW c. 0.75 mi. from Leon Rd. 580 Comment
  RSA291551  Melica imperfecta C. W. Tilforth, B. Busenberg 1980-6-17 2010 Riverside Along Thomas Mtn. Road, south of Lake Hemet, west of Highway 74. 1659 Comment
  SEINET7073447  Melica imperfecta A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UC38846  Melica imperfecta H. M. Hall May 1899 1111 Riverside Strawberry Creek; San Jacinto Mountains, San Jacinto Mountain 914 Comment
  UCR101441  Melica imperfecta A. C. Sanders 1997-4-10 20323 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UCR270313  Melica imperfecta T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8347 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 384 Comment
  CSUSB1111  Melilotus indicus David H. Eslinger 1907-5-27 Riverside City of Riverside, UCR campus, near sidewalk along lawn northwest of geology building. 335 Comment
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Jul 26 2011
  RSA0035450  Melilotus indicus Mary Duke, Christy Hightower, Cecilia McElroy 1982-5-15 6 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi. W of Hwy 15. Comment
  JEPS41211  Mentzelia albicaulis W. L. Jepson 1928-4-25 12606 Riverside below Cottonwood spr. (In wash); Colorado Desert, Cotton Wood Mts.; (Cottonwood Mts.) 731 Comment
  CLARK-A1656-879  Mentzelia involucrata Lois Ann Scott 1977-12-2 Riverside Big Morongo Canyon Comment
  JOTR29603  Mentzelia involucrata Andre, Jim 2006-4-26 6760 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  RSA776242  Mentzelia involucrata Duncan S. Bell 2010-3-20 597 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  RSA796270  Mentzelia involucrata Jim Andre, Tasha La Doux, R. B. Kelley 2011-5-4 21073 Riverside Joshua Tree National Park; Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1172 Comment
  UC1004771  Mentzelia involucrata E. C. Jaeger 1939-12-29 Riverside 5 m e Indio (Eytel Canyon branching from Fargo Canyon) 243 Comment
  UC672667  Mentzelia involucrata Margaret Stason 1927-2-12 1000 Riverside Colorado Desert,Palm Canyon Comment
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Nov 12 2011
  UCSB44891  Mentzelia involucrata Collins, Elizabeth 1977-3-30 Riverside Corn Springs campground, 8 miles south of Hwy. 10 457 Comment
  RSA342562  Mentzelia involucrata var. megalantha Robert F. Thorne, C. W. Tilforth 1980-5-28 54193 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  UCR220324  Microseris douglasii D. E. Bramlet 1992-4-3 2210 Riverside Perris-Aguanga Basin Region, 7.5 km SW of Hemet, just east of California Ave and c. 100 m north of the ATSF RR tracks, NE of the intersection of California Ave. and Marvin Hull Road and c. 300 m west of the MWD Canal 453 Comment
  UCR220325  Microseris douglasii D. E. Bramlet 1992-4-15 2227 Riverside Perris-Aguanga Basin Region, 7.5 km SW of Hemet, just east of California Ave and c. 100 m north of the ATSF RR tracks, NE of the intersection of California Ave. and Marvin Hull Road and c. 300 m west of the MWD Canal 453 Comment
  SEINET238731  Microseris douglasii subsp. platycarpha A. C. Sanders 1997-5-1 20628 Riverside Lake Skinner area: along horse trail in southern part of Lake Skinner Park west of Tucalota Hills and east of Warren Rd 488 Comment
  UCR116505B  Microseris douglasii subsp. platycarpha A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 746 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR166809  Microseris elegans R. E. Riefner Jr. 2005-4-22 05- 240 Riverside Patton Rd. at Patterson Ave., SE of Winchester near San Diego Aqueduct 452 Comment
  RSA500094  Microseris lindleyi Steve Boyd, Lewis S. Ross, Laurel Arnseth 1989-4-2 3216 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  UCR108855  Microseris lindleyi Heidi A. Haid 1968-5-14 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR240652  Microseris lindleyi Tracy Tennant, Mitch Provance 1998-6-16 MOR- 402 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  RSA0018770  Mimetanthe pilosa Philip A. Munz 1938-8-14 15355 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  POM305379  Mimulus aurantiacus var. puniceus Henry J. Ramsey, Henry J. Ramsey 1938-5-4 639 Riverside Elsinore Comment
  UCR133632  Mimulus aurantiacus var. puniceus I. W. Clokey, C. B. Clokey, B. C. Templeton 1930-4-15 4728 Riverside Gavilan Hills, Perris to Gavilan Peak 600 Comment
  UCR102708  Mimulus bigelovii B. G. Pitzer 1998-1-24 3393 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
  RSA311150  Mimulus bigelovii var. bigelovii H. K. Sharsmith 1952-4-11 4061 Riverside Lost Palms Canyon, EAgle Mountain, Ca. 2 mi. from Shaver summit. 671 Comment
  JEPS9935  Mimulus brevipes W. L. Jepson 1935-4-21 17161 Riverside Wisser Valley Comment
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Apr 7 2009
  RSA47935  Mimulus brevipes N. C. Cooper 1943-9-11 924 Riverside Below Idlewild. 915 Comment
  UCR87619  Mimulus brevipes A. C. Sanders 1994-5-30 14618 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA561414  Mimulus cardinalis Steve Boyd, Tim S. Ross, Dave Bramlet 1992-9-9 7679 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek,, up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  UCR35251  Mimulus cardinalis L. B. Ziegler 1967-7-26 191 Riverside San Jacinto Mtns, Stone Creek Canyon 1829 Comment
  RSA80440  Mimulus fremontii var. fremontii F. W. Peirson 1920-6-22 4723 Riverside Temescal canyon, western Riverside Co. 305 Comment
  UCR12595  Mimulus guttatus Bill Schultz 1972-4-30 720430- 7 Riverside Santa Ana River bottom, 200 yards west of where power lines make turn where palm trees are west of dump 2 mi south of Mt. Rubidoux 305 Comment
  UCR214330  Mimulus guttatus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38369 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UC1595588  Mimulus parishii Steve Boyd, Tim Ross 1991-6-8 6327 Riverside near Ribbonwood (e side of small hill n of Hwy 74); San Jacinto Mtns., Pinyon Flats area Comment
  RSA314473  Mimulus pilosus Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55380 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  UCR19054  Mimulus pilosus John C. Roos 1948-6-19 3882 Riverside San Jacinto Mtns., Roadside [vicinity of Dark Canyon] 7 miles north of Idyllwild Comment
  UCR193982  Mimulus pilosus A. C. Sanders 2008-7-25 35900 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  UCR275350  Mimulus pilosus T. B. Salvato, Melissa Clemons 2005-6-9 1493 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  RSA0120241  Mimulus rubellus Duncan S. Bell 2016-4-14 9276 Riverside Santa Rosa Mountains; near the head of Deep Creek, along the Sawmill Tail; in the vicinity of the old water tank along the road. 1301 Comment
  RSA701395  Minuartia douglasii Steve Boyd, Aydee Virgen 2004-4-13 10884 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA773172  Minuartia douglasii Duncan S. Bell, Valentin Arvizu 2010-5-24 1111 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. 1385 Comment
  RSA593800  Minuartia pusilla Jeri Hirshberg 1995-5-19 272 Riverside San Jacinto Mountains, Garner Valley. Comment
  SEINET10845769  Mirabilis J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12850 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
  GMDRC4942  Mirabilis bigelovii var. retrorsa J. Andre 2011-2-18 15818 Riverside Coachella Valley: north end of valley at base of Morongo Canyon, 0.5 mi. N. of Indian Cyn Rd, 1 mi. west of Hwy 62. 473 Comment
  UCR103177  Mirabilis californica Scott D. White, Julie Greene 1997-3-12 4772 Riverside Pedley area, S foot of Jurupa Hills: Just north of State Route (Fwy) 60 at Pedley exit. 305 Comment
  SDSU18725  Mirabilis laevis var. crassifolia C. Matt Guilliams 2008-2-13 451 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 410 Comment
  RSA450539  Mirabilis laevis var. retrorsa Barry A. Prigge 1988-2-21 7856 Riverside Colorado desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
  RSA464823  Mirabilis laevis var. retrorsa N. C. Cooper 1949-4-24 3643 Riverside Devil s Cactus Garden, Colorado Desert. 244 Comment
  RSA464833  Mirabilis laevis var. retrorsa Bonnie C. Templeton, I. W. Clokey 1930-4-9 1012 Riverside North of Palm Springs. Colorado desert. 400 Comment
  SEINET3142544  Mirabilis laevis var. retrorsa I. Johnston 1917-4-4 19804 Riverside Palm Canyon 305 Comment
  UC1136583  Mirabilis laevis var. retrorsa H. S. Yates 1937-3-24 6450 Riverside 457 Comment
  VVC701  Mirabilis tenuiloba P. J. MacKay, C. Sanders 1997-2-8 94 Riverside Colorado Desert, Palm Springs; vacant lot on Bogart Trail (street). 169 Comment
  RSA0105934  Mohavea confertiflora Alan Romspert 2001-4-13 s.n. Riverside Frontage Road E. of Cactus City rest Area, I-10. Comment
  POM268799  Mollugo cerviana E. C. Jaeger 1945-09 s.n. Riverside Joshua Tree National Monument. 1220 Comment
  UCR4650  Monardella breweri subsp. lanceolata Frank C. Vasek 1964-7-25 640725- 20 Riverside San Jacinto Mountains, Dark Canyon 1829 Comment
  JOTR30271  Monardella linoides subsp. linoides Leary, Pat, Cari Leary 1987-5-9 3813 Riverside Joshua Tree National Park. 1.0 km south of Jumbo rocks campground, T2S R9E sec20 [UTMs estimated, January 2010] Comment
  RSA750412  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 59 Riverside Road to Santa Rosa Mt. 0.9 miles above Pines to Palms Highway. Comment
  UC25475 Image available Monardella nana subsp. arida H. M. Hall June 1901 2127 Riverside Coyote Canyon; San Jacinto Mountains, Santa Rosa Mountain; Coyote Canyon, Santa Rosa Mountain 1524 Comment
  RSA750280  Monardella nana subsp. tenuiflora Elizabeth McClintock, H. Lewis 1941-6-29 81 Riverside Santa Rosa Peak 2454 Comment
  RSA750293  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 101 Riverside Black Mt. 2 miles beyond the snow gate. Comment
  RSA750312  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 127 Riverside San Jacinto Mountains. Trail to Hidden Lake. Comment
  UC1499836  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-22 130 Riverside w Domengonio Flats (on slope s of Strawberry Creek); San Jacinto Mts. Comment
  UC1499917  Monardella nana subsp. tenuiflora E. McClintock, H. Lewis 1941-6-22 74 Riverside on road to Black Mt. (1 1/2 mi from snow gate) Comment
  UCR221485  Monardella nana subsp. tenuiflora Elizabeth McClintock, Harlan Lewis 1941-6-22 071 Riverside Peninsular Range; San Jacinto Mtns., 0.1 mile from fork in road going to the [Dark Canyon, etc.] public camps, on the Banning-Idyllwild road 1905 Comment
  SEINET13948655 Image available Monardella robisonii K. Stolte 1979-1 s.n. Riverside Joshua Tree National Monument. Serpent Rock, ca 800 meters SW of South Gate leading into Keys ranch. Serpent rock forms the N boundary of the Cohen property (off Monument route 2, opposite the entrance to Los Horse Ranger station.) Hidden Valley area Comment
  CAS-BOT-BC349786  Monoptilon bellioides N. Aitkenhead 1977-2-2 2126 Riverside ~1 mile from junction of JTM Road & pipeline Comment
  CAS-BOT-BC349787  Monoptilon bellioides Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2126 Riverside N. end Palen Mtns, 2 mi west of Palen Pass 300 Comment
  POM363575  Monoptilon bellioides E. A. McGregor 1964-3-24 s.n. Riverside Near Desert Center, Hwy 70 Comment
  RSA623606  Monoptilon bellioides Ernest Braunton 1940-4-3 2012 Riverside 25 miles Northeast of Indio. Comment
  RSA650955  Monoptilon bellioides David B. Dunn, H. Lint 1955-4-1 11837 Riverside Pushawalla Canyon, Indio Hills. Top of the hill on the east side. Comment
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May 24 2012
  SFV4064  Monoptilon bellioides R. M. Beeles 1952-4-4 182 Riverside 2.15 miles west of junction of US Highway 60, US Highway 70, and US Highway 195. Comment
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Mar 26 2014
  UC1051456  Monoptilon bellioides Herbert L. Mason 1952-4-7 14210 Riverside Palm Springs Palm Canyon Comment
  UC1922392  Monoptilon bellioides Naomi Fraga, Lisa Rojas 2005-2-10 1350 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR165265  Monoptilon bellioides John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR214420  Monoptilon bellioides A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37491 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCSB10245  Monoptilon bellioides Phillips, Priscilla 1958-3-22 Riverside South entrance to Joshua Tree Monument Comment
  UCR274210  Muhlenbergia asperifolia Duncan S. Bell 2014-11-14 7713 Riverside Santa Rosa Mountains, Santa Rosa Wilderness area, west side of Martinez Mountain, Cactus Spring 1292 Comment
  UCR82767  Muhlenbergia californica A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15784 Riverside San Jacinto Mtns, Azalea Creek above Twin Pines, Twin Pines Creek drainage 1192 Comment
  CAS-BOT-BC275300  Muhlenbergia microsperma Peter H. Raven 1958-2-15 11557 Riverside Corn Springs, Chuckwalla Mountains Comment
  UCR20871  Muhlenbergia microsperma Steve Boyd 1980-5-14 s.n. Riverside Perris Basin, Motte Reserve, in the rocky hills 2.5 mi NW of Perris 518 Comment
  RSA0049531  Muhlenbergia microsperma J. C. Roos 1952-4-9 5507 Riverside East face Mt. Rubidoux. 365 Comment
  JOTR30811  Muhlenbergia porteri Andre, Jim, Tasha La Doux 2008-9-16 10689 Riverside Joshua Tree National Park. along Bell Mountain Rd. atop Bell Mountain, approximately 0.3 miles north of radio tower. Queen Mountain USGS 7.5 min quad Near 34 00.35' N 116 00.017' W 1358 Comment
  POM162481  Muhlenbergia richardsonis Ralph Hoffmann 1929-9-8 s.n. Riverside San Jacinto Mountains 1829 Comment
  UCR24959  Muhlenbergia richardsonis A. C. Sanders 1980-8-23 1763 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  JOTR32430  Muhlenbergia rigens La Doux, Tasha, K. White, A. Holt, C. Ely, J. Van Warmerdam 2007-2-26 2100 Riverside Joshua Tree National Park. Eagle Mountains; Lost Palms Oasis 944 Comment
  HSC78733  Muilla maritima A. C. Sanders, T. Glenn 1983-4-17 3731 Riverside Mesa de Colorado, Santa Ana Mtns., 5 mi. SW of Murrieta 612 Comment
  UCR22040  Muilla maritima Steve Boyd 1980-5-11 240 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  UCR89793  Muilla maritima Scott D. White 1993-5-27 1414 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  CAS-BOT-BC83348  Myosurus minimus Frank W. Peirson 1922-5-19 4171 Riverside Menifee Valley. Comment
  SEINET8043946 Image available Myriopteris clevelandii Joseph Cahill 2011-1 111 -06 Riverside Peninsular Range; Santa Mtns: Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74. 590 Comment
  UC1930148  Myriopteris clevelandii Scott D. White, Michael Honer 2003-6-3 9488 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  JEPS1389  Nama demissa var. demissa W. L. Jepson 1928-4-23 12548 Riverside wash 2 1/2 mi below Cottonwood Spr. (Eagle Mts., Colorado Desert); Colorado Desert, Eagle Mts., below Cottonwood Spr. 487 Comment
  UC880831  Nama demissa var. demissa Edmund C. Jaeger 1920-4-1 1078 Riverside Palm Springs Comment
  CSUSB116  Nama demissum var. demissum Nancy Robb 1966-4-5 Riverside Dry, rocky slopes along highway between Yucca Valley and the Banning- Indio Freeway, four miles south of Morongo Valley. 914 Comment
  UC1563093  Nama hispida var. spathulata Steve Boyd, Orlando Mistretta 1986-3-13 1406 Riverside ne Desert Center (jct of Parker Dam Rd and Palen Rd, rd going through pass between Palen and Granite Ranges); Palen Mountains, pass betw Palen and Granite Ranges 182 Comment
  POM1087  Nassella lepida I. M. Johnston 1917-6-5 1301 Riverside Hills south of Arlington 366 Comment
  RSA263718  Nassella lepida E. W. Lathrop 1966-5-26 6343 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UCR121209  Navarretia atractyloides D. E. Bramlet 1990-4-27 1994 Riverside Peninsular Range; Perris-Aguanga basin region, ridgeline south of Diamond Valley, NW of Crown Valley, 600 ft. west of access road 665 Comment
  UCR157964  Navarretia atractyloides T. B. Salvato, A. C. Sanders 2005-5-17 930 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
  RSA439263C  Nemacladus glanduliferus Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  LA204523  Nemacladus gracilis Carl Epling; Harlan Lewis 1941-5-7 Riverside 1 mile W of Cottonwood Springs Comment
  UCR139139  Nemacladus longiflorus John F. Green 2003-6-11 s.n. Riverside San Jacinto Mtns., Juan Diego Flat, NW of Cahuilla Mountain 1220 Comment
  SEINET10458394  Nemacladus longiflorus Boyd 1986-4-22 BOYD 1753 Riverside Temescal Canyon: Alluvial benches of Indian wash just south of Interstate 15 Comment
  RSA777654  Nemacladus orientalis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 756 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  SD255696  Nemacladus ramosissimus A. C. Sanders 1994-5-30 14610 Riverside San Bernardino Mountains: NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  UCR116916  Nemacladus ramosissimus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23955 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  RSA777733  Nemacladus sigmoideus J. Andre, G. L. Clifton 2011-2-22 17450 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca 219 Comment
  RSA28048B  Nemacladus tenuis var. aliformis I. L. Wiggins 1941-3-27 9671 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA439275  Nemacladus tenuis var. aliformis Christopher Davidson 1979-4-4 7703 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca 213 Comment
  RSA519024  Nemacladus tenuis var. aliformis George K. Helmkamp 1986-4-7 757 Riverside Canyon Just E of and parallel to Hwy 62, above Indian Ave. BLM Land. 579 Comment
  UCR279599  Nemacladus tenuis var. aliformis A. C. Sanders, Jim Malusa 2017-3-28 43138 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  POM68098  Nemacladus tenuis var. tenuis Marcus E. Jones 1906-4-27 s.n. Riverside Palm Springs. Comment
  POM3491  Nemophila menziesii H. M. Hall 1899-05 s.n. Riverside San Jacinto Mtns. 1601 Comment
  RSA291601  Nemophila menziesii C. W. Tilforth, Walter Wisura 1979-4-11 1792 Riverside Hills on south side of Lake Skinner, east of Murrieta. 427 Comment
  RSA606291  Nemophila menziesii Jon E. Keeley 1994-4-7 25291 Riverside Shipley Reserve, study site Sh4. S of Hemet, S end of Rawson Road 660 Comment
  RSA783625  Nemophila menziesii J. D. Olmsted 1962-5-3 3479 Riverside on Baldy Mountain along Pines to Palms Hwy, 1.5 miles S of 4936 summit south of Mt. Center 1311 Comment
  SEINET7073387  Nemophila menziesii A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR107385  Nemophila menziesii B. G. Pitzer 1997-3-23 2961 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
  UCR230212  Nemophila menziesii A. C. Sanders 2011-4-6 38983 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
  RSA495800  Nemophila menziesii var. integrifolia Steve Boyd, Tim Ross, L. Arnseth 1989-3-11 2909 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 396 Comment
  RSA614411  Nicotiana glauca D. L. Banks 1997-3-16 1544 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  RSA662146  Nicotiana glauca Stephen Hill 1981-2-16 34 Riverside Coal Canyon behind horse stables on N side of the 91 freeway. Comment
  HSC24979  Nicotiana obtusifolia R. W. Spjut 1972-2-1 2163 Riverside Colorado Desert, N base of Chuckawalla Mtns., 3-4 mi. S of Desert Center 305 Comment
  UCR153675  Nicotiana quadrivalvis Scott D. White 1999-5-24 7398 B Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  UCR120327  Nierembergia frutescens Mitch Provance 1998-7-23 931 Riverside Jurupa Mountains, Sunnyslope area, c. 0.5 mile east of 34th St. and Armstrong Road 274 Comment
  UCR24804  Nierembergia hippomanica George K. Helmkamp 1981-5-20 s.n. Riverside Transverse Range/Sonoran (Colorado) Desert, Dry Morongo Wash, 100 yards downstream from the bridge at the San Bernardino County Line 732 Comment
  UCR264957  Nolina bigelovii A. C. Sanders, Jim Malusa 2015-9-12 41883 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just south of Bradshaw Trail, c. 2.4 km west of the Dupont Rd. junction 749 Comment
  JEPS62091  Nolina parryi W. L. Jepson 1901-5-25 1433 Riverside road from Van Deventer's to Coyote Creek Comment
  POM122903  Notholaena californica subsp. californica Marcus E. Jones 1925-1-24 s.n. Riverside Andreas Canon Comment
  SBBG53762  Nuttallanthus texanus S. Boyd 1980-5-8 Riverside Harford Springs County Park, NW corner of the Gavilan Plateau Comment
  SEINET10492362  Oenothera decorticans David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3703 Riverside Leaving dry spike. Pushawalla canyon growing in the wash, indio hills, colorado desert. Comment
  LA206205  Oenothera deltoides Mary Reynolds; 1937-3-23 27 Riverside Palm Springs Comment
  RSA779628  Oenothera deltoides Duncan S. Bell 2010-4-1 44222 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains ; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  UCR214560  Oenothera deltoides A. C. Sanders 2010-3-15 37412 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UC665751  Oenothera deltoides subsp. deltoides Ira L. Wiggins 1941-3-26 9660 Riverside along wash Wiley Well Comment
  RSA698252  Oenothera scapoidea J. R. Bruff 1932-3-13 s.n. Riverside Between Palm Springs and P. Canyon. Comment
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Aug 27 2011
  SBBG3753  Olneya tesota M. A. Piehl 1959-7-26 59460 Riverside US Hwy 60, 70 ca. 42 mi E of Indio Comment
  UC212341  Olneya tesota S. B. Parish 1916-5-13 10857 Riverside Cottonwood Springs; Colorado Desert Comment
  VVC234  Olneya tesota Frank Awbrey 1959-4-24 s.n. Riverside 17.7 miles east of Mecca on St Hwy 195 at E end of Box Cyn 366 Comment
  UCD134654  Oncosiphon piluliferum A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-8 24209 Riverside Perris-Aguanga Region: Val Verde, between Moreno Valley and Perris, along I-215, 0.9 mile south of Oleander Ave., at south end of Patterson Ave. 457 Comment
  UCR177843  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32540 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 549 Comment
  UCR280602  Oncosiphon piluliferum R. E. Riefner Jr. 2016-4-24 17- 199 Riverside city of Menifee, Paloma Wash, immediately north of Holland Road and west of Haun Road 445 Comment
  RSA709919  Opuntia basilaris Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4635 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  RSA303531  Opuntia echinocarpa J. R. Shevock 1971-5-8 1035 Riverside Near Cottonwood, Joshua Tree National Monument. 915 Comment
  UCR41417  Opuntia littoralis A. C. Sanders 1984-4-21 5013 Riverside Moreno Valley, Moreno Badlands, along Gilman Springs Road, 1.5 mi. northwest of Gilman Hot Springs, 4 mi west of Sanderson Avenue/ Lamb Canyon Road 488 Comment
  UCR41502  Opuntia littoralis A. C. Sanders 1984-4-15 5012 Riverside Santa Ana Mtns, Mesa de Colorado, 5 air mi. SW of Murrieta. 610 Comment
  UCR42625  Opuntia littoralis A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-19 6456 Riverside Peninsular Range, Juniper savannah along Cajalco Road on the south side of Lake Mathews, 1.8 mi west of junction with El Sobrante Road 457 Comment
  POM288042F  Opuntia phaeacantha David Griffiths 1906-1 8292 Riverside Banning. Comment
  CHSC1168  Orobanche cooperi V. Holt 1942-3-27 Riverside Indio. 0 Comment
  RSA602272  Orobanche cooperi Louis C. Wheeler 1952-4-5 6848 Riverside Mecca: Box Canyon Road at canal. Comment
  SEINET10902575  Orobanche cooperi David B. Dunn Dunn 2031 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Sparse desert scrub of Larrea and Franseria, with palms at the springs in the canyon. Comment
  UCR24887  Orobanche fasciculata A. C. Sanders 1980-7-18 1635 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA402101  Orthocarpus purpurascens Bonnie C. Templeton 1931-4-9 s.n. Riverside At base of Moreno Grade. Comment
  RSA263608  Osmorhiza brachypoda E. W. Lathrop 1968-5-22 6912 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  RSA458992  Osmorhiza brachypoda E. Crow 1929-3-17 211 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  RSA741118  Osmorhiza brachypoda Scott D. White, Justin M. Wood 2008-6-18 12245 Riverside Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  RSA191391  Oxalis albicans subsp. pilosa E. W. Lathrop, Robert F. Thorne 1967-10-27 6673 Riverside 5 mi. NW of Murrietta, Santa Rosa Ranch. Comment
  UCR137708  Oxalis pes-caprae D. L. Banks 1997-3-29 1555 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  UCR113534  Oxalis rubra Mitch Provance 2000-4-14 1899 Riverside UCR Family Housing, 3360 Idaho St., Riverside c. 320 Comment
  SEINET1908693  Oxytheca trilobata A. C. Sanders, Tim Thomas & T. M. Salvato 2008-1 35622 Riverside Peninsular Range; San Jacinto Mtns: May Valley c. 1.0 mi WSW of Fleming Ranch 1585 Comment
  RSA234080  Paeonia californica Robert F. Thorne, E. W. Lathrop 1969-6-6 39329 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  UCR59685  Paeonia californica Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2964 Riverside Peninsular Range, Vail Lake area, lower slope of Oak Mountain, 1.5 mi. WSW of lake. 640 Comment
  UCR178577  Palafoxia arida R. G. Swinney 1967-2-11 0034 Riverside San Jacinto Mtns./ Sonoran (Colorado) Desert, Snow Creek 366 Comment
  POM363752  Palafoxia arida var. arida A. N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Box Canon. [Canyon] Comment
  RSA363739  Palafoxia arida var. arida Geo Cantwell, B. C. Templeton 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea Comment
  RSA778131  Palafoxia arida var. arida Thomas Stoughton, Erika Gardner, D. Bell 2010-11-12 715 Riverside Coachella Valley Preserve. Site #3. Ca 0.25 mile E of road. 305 Comment
  UCSB9918  Palafoxia arida var. arida Wilson, Richard 1958-3-22 Riverside 7 miles E. of Desert Center on U.S. Highway 60-70, in a Colorado Desert dry wash Comment
  CAS-BOT-BC253902  Panicum urvilleanum Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  UCR7750  Papaver californicum B. Freeman 1968-5-4 680504- 10 Riverside San Jacinto Mtns., Road from Banning to Idyllwild, c. 1 mi. NW of fork to Twin Pines Ranch. 1159 Comment
  CHSC109711  Parietaria hespera Steve Boyd; A. Maurice, P. Lubinsky, L. Lubinsky 2003-4-17 10475 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. Area burned in 2001. Comment
  SD247518  Parietaria hespera var. hespera A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41551 Riverside Peninsular Range; Eastern Foot of Santa Ana Mtns: opp. S. Cal. Edison Ivy Glen Substn, Temescal Valley, mouth of Meyhew Cyn , W of I-15 crossing of Temescal Canyon Rd, N of mining operation, 0.6 km SE (101a^z) of Temescal Fire Station (Lake Mathews 7.5'Q) 328 Comment
  SEINET10852748  Parkinsonia aculeata David B. Dunn 1948-6-18 Dunn 332 Riverside Trees planted along highway; near Cabazon. Comment
  RSA791480  Parkinsonia florida Jim Andre 2012-4-15 20852 Riverside West end of Hayfield Dry Lake, 0.3 mi. N of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10. 395 Comment
  SD113584  Parkinsonia florida Darley F. Howe 1952-4-27 2187 Riverside Box Canyon, east of Mecca Comment
  UCR245248  Parkinsonia florida Jim Andre 2012-3-19 21342 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
  RSA698050  Parosela schottii J. R. Bruff 1927-10-8 1 -L Riverside Thousand Palms. Comment
  CLARK-A1528-4791  Paspalum dilatatum John C. Roos 1951-9-25 5262 Riverside Riverside 259 Comment
  RSA0104080  Pectis papposa Duncan S. Bell, Evan Meyer 2014-10-28 7664 Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  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
  UCR34953  Pectis papposa L. B. Ziegler 1964-9-2 035 Riverside San Jacinto Mountains, Pinyon Flats 1311 Comment
  UCR274824  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-12 110 Riverside Southcentral Mojave Desert, Rice Valley Dunes, Rice Valley Wilderness, Hwy 62 to Rice Valley Dunes Road to Midland Vidal Road, power line access road. South/southeast side of dunes 244 Comment
  JEPS29322  Pectocarya anisocarpa Rimo Bacigalupi and L. Heckard 1962-3-26 8418 Riverside 1 mi n Winchester (extreme se flank of buttes, 8 air mi sw of Hemet); Double Buttes 487 Comment
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Mar 20 2011
  JOTR30327  Pectocarya heterocarpa La Doux, Tasha, E. Babich, J. Galvin, B. Truesdell, N. Fraga, A. Miller, J. Van Warmerdam 2008-2-4 1771 Riverside Joshua Tree National Park. Hexie Mountains, southern end; Porcupine Wash. Stop #1: Open sandy wash near road heading to Cottonwood. 745 Comment
  RSA716430  Pectocarya linearis Scott D. White 2006-4-27 11316 Riverside Santa Rosa Hills, S. of Hemet. 549 Comment
  POM72175  Pectocarya linearis subsp. ferocula Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  UC1537389  Pectocarya linearis subsp. ferocula Gordon H. True Jr. 1935-2-22 15 Riverside Gavilan Hills 548 Comment
  UCSB10518  Pectocarya linearis subsp. ferocula Haller, John 1957-3-23 Riverside Morongo Wash; ca. 4.5 rd. mi. N of US 99; and 3 air miles S. of Riverside-San Bernardino Co. Line 609 Comment
  POM368778  Pectocarya penicillata Elbert Benjamine 1929-5-18 s.n. Riverside Mt San Jacinto. 762 Comment
  UC25016  Pectocarya penicillata H. M. Hall June, 1901 2181 Riverside San Jacinto Mountains, Thomas Valley 1371 Comment
  UCR171950  Pectocarya penicillata John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  UCR216116  Pectocarya platycarpa Jim Andre, T. La Doux 2009-2-25 10815 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  RSA775402  Pectocarya recurvata Duncan S. Bell 2011-4-10 2248 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  SD90112  Pectocarya recurvata Walter William Zabriskie 1973-2-21 118 Riverside Above end of Worley Trail to Sheep Mountain, Pipistrelle Canyon area. 854 Comment
  UCR84837  Pectocarya recurvata A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16208 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  SD233779  Pectocarya setosa A. C. Sanders, G. Helmkamp, L. Helmkamp 1995-4-30 16881 Riverside San Bernardino Mountains: Burns Canyon , 2.1 miles above Rimrick Rd, just below Burns Spring. 1530 Comment
  UCR138805  Pedicularis densiflora D. L. Banks, J. Moreno 1997-2-5 1247 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  UCR121652  Pellaea mucronata A. C. Sanders, Kent Beaman 2002-5-10 25048 Riverside Santa Ana Mtns., Santa Rosa Plateau, hills west of the head of De Luz Creek, 0.4 mi. south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral 671 Comment
  JEPS44371  Pellaea mucronata var. californica Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4251 Riverside just below Toro Peak (s of the saddle, e of the peak); Santa Rosa Mts 2499 Comment
  RSA33304  Pellaea mucronata var. mucronata Norman C. Cooper 1944-3-24 1032 Riverside Banning; 701 Comment
  UCR207247  Pennisetum setaceum O. F. Clarke 2004-4-9 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  UCR234812  Pennisetum setaceum Jim Andre, Glenn L. Clifton 2011-2-22 17477 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
  GMDRC6573  Penstemon centranthifolius J. M. Andre 2012-6-15 30529 Riverside San Jacinto Mountains: along Hwy 243, 10.7 mi. south of Interstate 10 (Banning); SB Natl. Forest 1499 Comment
  UCR121247  Penstemon centranthifolius Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2280 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR20544  Penstemon centranthifolius W. W. Mayhew 1977-6-12 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  UCR132895  Penstemon clevelandii Ina Lengyel 1997-5-27 s.n. Riverside San Jacinto/Santa Rosa Mtns., Hwy 74 between Ribbonwood and Santa Rosa Mtn. Road 1341 Comment
  UC195280  Penstemon clevelandii var. connatus S. B. and W. F. Parish Apr, 1882 1216 Riverside Mts. at Agua Caliente [Agua Caliente=Palm Springs, (now) Riverside Co., [hence probably near Vandeventers Ranch above that town.]?DDK J. Ewan 1935] Mts. at Agua Caliente Comment
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Nov 6 2006
  JEPS11104  Penstemon rostriflorus Marjorie D. Clary 1932-7-4 968 Riverside 10 mi sw Kenworthy (Santa Rosa Mts.); , sw of Kenworthy 1371 Comment
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Nov 1 2011
  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
  POM12005  Penstemon spectabilis E. C. Jaeger 1921-06 s.n. Riverside San Jacinto Mts. McMullen Trail [Banning to McMullen Flat] Comment
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Nov 5 2011
  NY661179  Penstemon spectabilis var. spectabilis R. M. Straw 1953-6-25 487 Riverside Santa Rosa Mountain Truck Trail, San Jacinto Mountains, Palms to Pines Highway 1676.4 Comment
  CAS-BOT-BC239693  Penstemon thurberi Edmund C. Jaeger 1927-5-12 s.n. Riverside Near Smith Canon [Canyon], Keyes Ranch 1280 Comment
  RSA93281  Pentachaeta aurea F. W. Peirson 1922-5-19 3037 Riverside San Jacinto River 1143 Comment
  HSC1081  Pentagramma triangularis W. R. Supernaugh, Jr. 1964-12-24 25 Riverside Joshua Tree Nat'l Monument, 0.25 mi. E of Ryan Campground 1311 Comment
  RSA0070719  Pentagramma triangularis Scott D. White 2001-4-19 8375 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi west of Interstate 215. 442 Comment
  CAS-BOT-BC71683  Pentagramma triangularis subsp. triangularis Elmer I. Applegate 1893-4-23 s.n. Riverside Hills of East Riverside Comment
  CAS-BOT-BC77489  Peritoma arborea var. angustata Carl B. Wolf 1932-4-26 2985 Riverside Colorado Desert, 8 mi. E. of Mecca, on Blythe Road 91 Comment
  CAS-BOT-BC77531  Peritoma arborea var. arborea L. S. Rose 1927-2-3 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC355985  Perityle emoryi Carl B. Wolf 1932-4-27 3062 Riverside Colorado Desert. 5 mi. E. of Desert Center. No. base of Chuckwalla Mts. 152 Comment
  UCR20759  Perityle emoryi A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1308 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  CLARK-A1045-877  Petalonyx linearis George K. Helmkamp 1977-3-20 Riverside Deep Canyon UCR Boyd Deep Canyon Reserve; sandy bottom of dry wash; ; ; Palm Desert 15'Q 304 Comment
  CAS-BOT-BC167768  Petalonyx thurberi C. Epling; Wm. Robison 1933-6-26 s.n. Riverside Little San Bernardino Mts. Basin 5 mi. south, Lost Horse Wells Comment
  RSA0107431  Petalonyx thurberi Duncan S. Bell 2009-8-15 423 Riverside West side of the Arica Mountains. 323 Comment
  RSA784784  Petalonyx thurberi Duncan S. Bell 2012-3-18 3188 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
  UCR19126  Petalonyx thurberi John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mtns, Lost Palms Wash Comment
  CHSC99047  Peucephyllum schottii LeRoy Gross 2005-3-3 1568 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Growing on rocky cliff above canyon. 68 Comment
  POM98817  Peucephyllum schottii P. A. Munz 1926-1-31 9955 Riverside Dos Palmos [Palmas] Spring. Comment
  SBBG8667  Peucephyllum schottii H. and M. Dearing 1941-4-9 4628 Riverside Palms to Pines Hwy Comment
  CHSC8269  Phacelia Edward L. Smith 1958-3-21 353 Riverside Located 10 mi. e of Indio on hwy. 60. 213 Comment
  POM259713  Phacelia ambigua P. A. Munz 1940-3-23 15667 Riverside South base of Pinto Mountains, road Dale to Cottonwood Springs. 610 Comment
  UCR133439  Phacelia brachyloba Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 445 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR6119  Phacelia brachyloba Dorothy Detrich 1966-5-16 49 Riverside San Bernardino Valley Region, Riverside, Santa Ana River bottom at base of Mount Rubidoux 236 Comment
  CLARK-A1045-211  Phacelia campanularia George K. Helmkamp 1979-4-18 Riverside Indio Hills along Dillon Road; Lost Horse Mtn. 15'Q Comment
  RSA314657  Phacelia campanularia Robert F. Thorne, Mrs. Raymond Fosberg, Derral Herbst, M. H. Sachet 1983-4-23 55493 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  SBBG28099  Phacelia campanularia D. Myrick 1964-4-30 828 Riverside Palms to Pines Hwy (St Hwy 74), 15 mi W of Palm Desert 1219 Comment
  SEINET3158082  Phacelia campanularia S. B. Parish 1907-4-16 6132 Riverside western border of the Colorado Desert 350 Comment
  JEPS1113  Phacelia campanularia subsp. campanularia S. Walker 1937-3-24 Riverside Deep Canyon Santa Rosa Mountains Comment
  RSA0106605  Phacelia campanularia subsp. campanularia Robert F. Thorne 1995-3-29 63030 Riverside White Water Canyon. 600 Comment
  POM14360  Phacelia campanularia subsp. vasiformis P. A. Munz, D. D. Keck 1922-4-9 4766 Riverside Shavers Well, near Mecca. 76 Comment
  UCR244297  Phacelia campanularia subsp. vasiformis Jim Andre 2012-4-16 20875 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  RSA0105051  Phacelia cicutaria var. hispida Daphne K. Christopher, Hannah Stevens 2003-4-4 96 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  UCR230929  Phacelia cicutaria var. hispida T. B. Salvato, Richard Camacho 2011-6-12 5484 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  UCR50515  Phacelia cicutaria var. hispida S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  UCR89879  Phacelia cicutaria var. hispida Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3338 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  UCR107225  Phacelia crenulata Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2187 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UCR16832  Phacelia crenulata W. C. Anderson 1968-4-22 680422- 9 Riverside Sonoran (Colorado) Desert, 2 mi. south of Cottonwood Guard Station, Joshua Tree National Monument [now Park] Comment
  JOTR36458  Phacelia crenulata var. ambigua La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3428 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
  UCR104821  Phacelia crenulata var. ambigua George K. Helmkamp, E. A. Helmkamp 1998-2-5 2663 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR241427  Phacelia crenulata var. ambigua Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 25 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  UCR249502  Phacelia crenulata var. ambigua T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7290 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  CLARK-A1528-558  Phacelia distans C. M. Flanagan 1973-4-14 OO 104 Riverside Sunnymead 579 Comment
  JEPS2321  Phacelia distans W. L. Jepson 1939-4-17 19139 Riverside Elsinore Comment
  JOTR16722  Phacelia distans Moore, Sue 1968-5-6 5 /6/1968 Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  JOTR34041  Phacelia distans La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2942 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; above trail to Lost Horse Mine on basalt outcrop with scree slopes Comment
  POM14355  Phacelia distans P. A. Munz, D. D. Keck 1922-4-9 4761 Riverside Shavers Well, near Mecca. 76 Comment
  RSA426212  Phacelia distans Robert L. Rutherford 1945-5-24 1659 Riverside Big Oaks Canyon, Banning 1220 Comment
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Oct 30 2011
  RSA426220  Phacelia distans Scott D. White 1997-2-28 4716 Riverside Elsinore Basin: SE of Hwy 74, ca 1 mi E of junction with Hwy I-15 Fwy. 457 Comment
  RSA516422  Phacelia distans Walter Wisura, Bart O'Brien, T. Hayduk 1990-5-2 4429 Riverside Ortega Hwy. below switchbacks, near Lake Elsinor. Comment
  SDSU6604  Phacelia distans Marjorie Collier 1951-3-25 Riverside 5 miles northeast of Palm Springs on dry brushy hillside, roadside. Comment
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Jan 30 2013
  UC2015576  Phacelia distans A. C. Sanders with G. Helmkamp & P. MacKay 1995-3-12 16090 Riverside Coachella Valley: alluvial slopes at the foot of Rabbit Peak, Santa Rosa Mtns., below Sheep Canyon. Comment
  UCR102699  Phacelia distans B. G. Pitzer 1998-1-24 3382 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
  UCR120811  Phacelia distans Ian G. Gillespie 2000-4-16 4 Riverside Box Springs Mtns., Two Trees Canyon. 70 m up the trail from Two Trees trailhead 457 Comment
  UC666538  Phacelia fremontii Reid Moran 1941-5-4 842 Riverside e Quail Spring; Joshua Tree Nat. Mon. 1300 Comment
  SEINET3158181  Phacelia ivesiana L. A. Greata sn Riverside Coachella Comment
  JEPS4091  Phacelia minor Rimo Bacigalupi and J. F. MacBride 1952-3-30 3552 Riverside along US 395 2.6 mi n Murrieta (between Wildomar and Murrieta, sw Riverside Co.) Comment
  RSA571313  Phacelia minor Steve Boyd, D. L. Banks 1994-4-5 8262222 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
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Feb 17 2013
  RSA715757  Phacelia minor A. C. Sanders 2005-4-22 29606 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  SBBG101786  Phacelia minor S. Boyd with T. Ross, M. Hammitt 1991-5-2 6057 Riverside Vail Lake region, Billy Goat Mtn, ca. 3 mi N of Hwy 371, N of Aguanga 600 Comment
  SEINET7096699  Phacelia minor A. G. Vestal 1962-4-8 s.n. Riverside In bushes ca. 3.5 miles northeast of Lake Elsinore. NAD27, 33? deg. 42' 56ao, -117?_ 18' 09ao (converted to WGS84 decimal degrees) UTM Zone 11 471978mE, 3730462mN. Comment
  UCR174077  Phacelia minor A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32591 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
  POM97121  Phacelia minor P. A. Munz 1925-5-20 9820 Riverside 2 miles W of Dripping Spring. 427 Comment
  SEINET5518995  Phacelia minor H. M. Hall 1900-5-15 s.n. Riverside Above Moreno Comment
  JOTR36431  Phacelia neglecta La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3403 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  POM13911  Phacelia pedicellata P. A. Munz, D. D. Keck 1922-4-9 4758 Riverside Shavers Well, near Mecca. 76 Comment
  SEINET12280304  Phacelia platyloba J. F. Bright, Wyman, C. 1933-1 8073 Riverside near Palm Springs Comment
  RSA632472  Phacelia ramosissima var. latifolia Scott D. White 1998-6-17 6748 Riverside Gavilan Hills: Along Gavilan Rd. or Santa Rosa Mine Rd.; ca. 7 mi survey route from Gavilan/ Cajalco Rd. jtn. south and east to Santa Rosa Mine/ Post Rd. jtn. Comment
  RSA776295  Phacelia rotundifolia Duncan S. Bell, Amanda Turek 2010-4-10 829 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  SBBG37504  Phacelia tanacetifolia R. N. Muller 1967-5-4 Riverside 2 mi W of St Hwy 62 on Mission Crk Rd, 4.7 mi N of jct between US Hwy 60 and St Hwy 62 579 Comment
  RSA595316  Phalaris minor D. L. Banks, Victor Steinmann 1996-4-20 890 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; At the junction of Los Caballos Road and Hwy. 79. 377 Comment
  RSA0057659  Philadelphus microphyllus var. stramineus P. A. Munz, I. M. Johnston 1924-7-27 8738 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  RSA72000  Phlox austromontana E. C. Jaeger 1922-6-29 s.n. Riverside Lower Tahquitz Valley 2043 Comment
  UC52482  Phlox austromontana H. M. Hall 1897-5-19 553 Riverside Thomas Valley San Jacinto Mts. 1371 Comment
  RSA459294  Pholistoma membranaceum H. M. Severance 1926-2-20 s.n. Riverside Andreas Canyon, Colorado Desert. Comment
  RSA459295  Pholistoma membranaceum Martha Hilend 1928-3-11 87 Riverside Morongo Valley, Colorado Desert. Comment
  POM91318  Pholistoma membranaceum E. C. Jaeger 1925-12-20 s.n. Riverside Eagle Canyon, 5 miles E of Palm Springs Comment
  SD236439  Phoradendron bolleanum John F. Green 2008-1-18 Riverside Peninsular Range; Gavilan Hills: 5.5 miles WNW of Perris, c. 0.5 mi. north of Santa Rosa Mine Rd. and 0.75 mi SE of Ida Leona Mine 671 Comment
  RSA132747  Phoradendron californicum Del Wiens 1953-12-5 869 Riverside Near junction of road from south end of Joshua Tree Nat. Mon. and U.S. 60 and 70. 152 Comment
  UCR1505  Phoradendron californicum Donna Lee Hobbs 1962-2-2 2-2-62- 01 Riverside Sonoran (Colorado) Desert, Coachella Valley; 2 mi north of Deep Canyon Research Station gate on Deep Canyon Road Comment
  UCR96817  Phoradendron californicum Bern Schwenn 1994-4-1 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mountains, Hayfield Spring on the south side of the range. 700 Comment
  UCSB1315  Phoradendron californicum Sturdy, C. 1957-4-21 Riverside 10 mi East of Coachella on route 60 60 Comment
  RSA33895  Phoradendron densum N. C. Cooper 1943-9-11 897 Riverside San Jacinto Mtns. Eastern slope at roadside 1220 Comment
  RSA271146  Phoradendron villosum C. W. Tilforth, John Dourley, Walter Wisura 1978-3-10 1505 Riverside About 1/2 mi. east of El Cariso Forest Station along Ortega Hiway(74). Comment
  RSA585786  Phoradendron villosum D. L. Banks, Steve D. Boyd 1995-5-9 411 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 738 Comment
  CHSC64188  Physalis crassifolia Chris Dietrich; M. Merello, H. Schmidt 1994-4-12 21 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. Along wash. 380 Comment
  SBBG66344  Physalis crassifolia M. N. Ackley -Feb-1926 973 Riverside Painted Cyn 76 Comment
  UCR41331  Physalis crassifolia N. M. Fellows, A. C. Sanders 1985-5-7 170 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
  UCR60780  Physalis crassifolia Steve Boyd, Orlando Mistretta 1986-3-13 1483 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  CAS-BOT-BC78598  Pinus flexilis Arthur Menzies; Bob Murray 1957-8-21 s.n. Riverside Marion Mt., San Jacinto Mts. Comment
  RSA384341  Pinus jeffreyi M. B. Dunkle 1933-7-21 3734 Riverside Idyllwild 1616 Comment
  JOTR33925  Pinus monophylla La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2816 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
  LA6145  Pinus ponderosa A. H. Lange; 1951-5-27 sn Riverside San Jacinto Mountains, Tauquitz [Tahquitz] Peak Comment
  POM230743  Pinus ponderosa I. W. Clokey, E. Y. Anderson 1935-8-21 6506 Riverside Idlewilde-Banning. Calif. San Jacinto Range. 1500 Comment
  CAS-BOT-BC79097  Pinus quadrifolia Munz; Johnston 1922-5-20 5492 Riverside head of Hemet Valley, San Jacinto Mts. 1524 Comment
  CDA36023  Pistia stratiotes Dave Goodward 2010-10-6 s.n. Riverside Sonoran (Colorado) Desert; Thermal, 89635 Ave. 81, west of Hwy 86 and Harrison St. Comment
  UCR100162  Pityrogramma triangularis Scott D. White 1992-12-16 983 Riverside Vail Lake area, c. 9 air mi east of Aguanga (junction of Hwys 371 & 79) & 3 air mi north of Beauty Mtn Peak. 1372 Comment
  SBBG34989  Plagiobothrys T. L. Secrest 1951-5-19 Riverside near Hemet Lake Comment
  UCR133980  Plagiobothrys arizonicus Mitch Provance, J. S. Ross 1998-3-27 MOR- 975 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon at mouth of Corral Canyon, c. 1 mile NW of VABM Mil (Peak 3620) 915 Comment
  SD181658  Plagiobothrys canescens Scott d. White 1999-5-2 7282 Riverside Perris/sun City area, just east of Goetz road and south of Ethanac road. Ca. 1.5-2.0 miles west of I-215. 440 Comment
  UCR112562  Plagiobothrys canescens A. C. Sanders 1998-3-11 21694 Riverside Shipley/Skinner Reserve area, Diamond Valley, along State Street (R3) c. 1/2 mi. north of Newport Rd., south of Hemet 488 Comment
  UCR140313  Plagiobothrys canescens A. C. Sanders, Guy Bruyea 2004-4-2 27414 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UCR174366  Plagiobothrys canescens A. C. Sanders 2006-5-19 32407 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
  UCR116466  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2001-3-30 23863 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  UCR225739  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2011-3-29 38887 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor between Byers St. at west end of McLaughlin Rd. and Wheat St. 447 Comment
  UCR97455  Plagiobothrys collinus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19844 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA639626  Plagiobothrys collinus var. californicus R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51977 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  UCR111996  Plagiobothrys leptocladus A. C. Sanders, T. B. Salvato 2000-5-25 23421 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR116847  Plagiobothrys nothofulvus A. C. Sanders, Steven R. Hill 2001-5-4 24145 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR266469  Plagiobothrys tenellus Mitch Provance, Robin Kinmont 2015-3-27 315- 53 Riverside Perris-Aguanga Basin Region, Murrieta Hot Springs, Leon Rd. (unmarked dirt portion) on unnamed hill c. 0.5 miles W of Skunk Hollow, vicinity of W terminus of Promontory Parkway. 430 Comment
  UCR31324  Plagiobothrys tenellus A. C. Sanders, K. Berg 1980-5-1 1364 Riverside San Jacinto Mountains, Garner Valley. Dry bench above valley floor 0.25 mi NW of Kenworthy Ranger Station 1433 Comment
  HSC78732  Plagiobothrys undulatus A. C. Sanders, T. Glenn 1983-4-17 3729 Riverside Mesa de Colorado, Santa Ana Mtns., 5 mi. SW of Murrieta 612 Comment
  SBBG54322  Plagiobothrys undulatus C. Davidson 1977-5-25 5641 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  UCR281237  Plantago elongata Mitch Provance, Jeremiah George 2017-3-23 317- 64 Riverside Elsinore Trough, Lake Elsinore, E side Baker St., about 0.5 miles SE of Pierce St. 677 Comment
  CLARK-A1528-3430  Plantago erecta John C. Roos 1952-4-2 5461 Riverside Box Springs 487 Comment
  UC2029934  Plantago erecta Steve Boyd 2001-4-12 10413 Riverside GAVILAN HILLS REGION: Southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta. Comment
  RSA381087  Plantago major Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61174 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  JEPS127776  Plantago ovata Adam C. Schneider with Will Freyman 2014-2-16 411 Riverside East side of Highway 177. Comment
  UCR245925  Plantago ovata Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3942 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  POM68906  Plantago ovata var. fastigiata Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  SDSU12973  Platanus racemosa Michael G. Simpson 1999-10-27 2040 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  RSA516884  Platystemon californicus Steve Boyd 1986-3-1 1369 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park 640 Comment
  UCR138836  Platystemon californicus D. L. Banks 1997-4-5 1682 Riverside Agua Tibia Mtns., NW Palomar Mountains: Agua Tibia Wilderness area. south of Dorland Mountain, just west of the Pechanga Indian Reservation boundary, at the headwaters of a tributary of the N fork of Pechanga Creek 793 Comment
  UCR172220  Platystemon californicus John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  UC1608230  Plectritis ciliosa subsp. insignis Steve Boyd, Tim Ross, Orlando Mistretta 1992-3-31 6761 Riverside Tenaja Trail from junction w Morgan Trail south to Pigeon Spring area, San Mateo Canyon Wilderness Area Pigeon Spring; Santa Ana Mountains, San Mateo Canyon Wilderness Area 670 Comment
  POM192667  Pleuraphis rigida Marcus E. Jones 1929-9-16 24755 Riverside East of Desert Center. Comment
  POM8116  Pleuraphis rigida Mary F. Spencer 1920-3-27 1533 Riverside Palm Springs Comment
  RSA0014312  Pleuraphis rigida Justin M. Wood, J. Miner 2010-4-30 1547 Riverside Coachella Valley: Thousand Palms, just E of intersection of Ramon Rd. and Vista de Oro, just NE of Edison substation. 61 Comment
  RSA577756  Pleuraphis rigida F. M. Reed 1920-3-24 4286 Riverside Morongo Pass near Whitewash station 274 Comment
  RSA747835  Pleuraphis rigida Scott D. White, Justin M. Wood 2009-4-28 12598 Riverside City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  CAS-BOT-BC326648  Pleurocoronis pluriseta Edmund C. Jaeger 1922-3-18 s.n. Riverside Painted Canyon Comment
  JEPS18556  Pleurocoronis pluriseta W. L. Jepson 1914-5-18 6022 Riverside County Well Colorado Desert Comment
  RSA472097  Pleurocoronis pluriseta Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  SBBG53816  Pleurocoronis pluriseta E. A. Cardiff 1968-2-25 Riverside S side of Painted Cyn in Mecca Hills Comment
  UC485541  Pleurocoronis pluriseta F. M. Reed 1917-5-19 3866 Riverside Palm Canyon Colorado Desert Comment
  UCR31855  Pluchea purpurascens M. Hamilton 1983-10-4 s.n. Riverside Riverside, Just outside the Riverside city limits between Woodcrest and Edgemont, east of Trautwein Ave. & south of Alessandro Blvd. 488 Comment
  CLARK-A1656-604  Pluchea sericea Jim Cornett 1977-7-10 Riverside Thousand Palms Canyon 137 Comment
  POM14167  Pluchea sericea P. A. Munz 1922-4-9 4912 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA472129  Pluchea sericea Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA651713  Pluchea sericea Viki Cruz 1983-5-8 007 *k Riverside Collected in a shallow stream three-quarter mile into Magnesia Canyon, Santa Rosa Mts. 441 Comment
  UCR2675  Poa annua F. M. Reed 1935-4-2 9263 Riverside Car storage tracks 2 miles south of Perris 436 Comment
  RSA791519  Poa secunda subsp. secunda Jim Andre 2012-4-16 20961 Riverside Joshua Tree National Park;; north side of Mt Ryan at Sheep Pass Campground area. 1370 Comment
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Sep 10 2013
  CAS-BOT-BC428030  Poaceae L. Nye; G. Gust 2005-3-11 58 Riverside Lake Elsinore. Intersection of Diamond Circle and Malaga Rd. Off Mission Trail Rd. 399 Comment
  RSA155556  Polygonum argyrocoleon L. S. Rose 1962-3-2 62011 Riverside La Quinta 3 Comment
  SEINET3405927 Image available Polygonum douglasii var. johnstonii Philip A. Munz 1938-8-14 15359 Riverside Virgin Spring, Santa Rosa Mts. 2286 Comment
  CAS-BOT-BC232947  Polypogon australis H. M. Hall 1900-5-29 1384 Riverside Vicinity of Winchester, near Sage 457 Comment
  CLARK-A1528-88  Polypogon monspeliensis C. M. Flanagan 1973-5-31 OO 641 Riverside Morongo Indian Reservation 1158 Comment
  RSA799069  Polypogon monspeliensis Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6865 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  UCR155828  Polypogon monspeliensis John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  RSA314482  Polypogon viridis R. F. Thorne 1982-10-8 55369 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA771034  Polypogon viridis Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4541 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CAS-BOT-BC102581  Populus fremontii Swingle 1915-9-1 s.n. Riverside Indio 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
  UC484086  Populus fremontii subsp. fremontii C. B. Wolf 1931-3-13 1882 Riverside Colorado River bottom at Blythe Bridge; Colorado River bottom at Blythe Bridge 91 Comment
  UCR232780  Portulaca oleracea John F. Green 2008-4-16 0408- 44 Riverside Peninsular Range; Perris-Aguanga Valley, SE edge of Romoland, edge of electrical power station, between Menifee and Palomar roads 446 Comment
  RSA234093  Potamogeton pusillus Robert F. Thorne, E. Lathrop 1969-6-6 39322 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado; deeper water up to 1 m behind the dam at S end of vernal marsh 625 Comment
  UCR202447  Potentilla glandulosa Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UC70339  Potentilla gracilis Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  RSA0013884  Proboscidea althaeifolia Duncan S. Bell 2012-9-13 4180 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  POM244814  Prosopis glandulosa var. torreyana E. C. Jaeger 1938-8-15 s.n. Riverside Cottonwood Creek, 20 miles south of Hemet 976 Comment
  JEPS46164  Prosopis pubescens Marjorie D. Clary 1936-9-27 Riverside Coral Reef ranch Colorado Desert (nw arm of Colorado Desert) Comment
  UCSB33253  Prosopis pubescens Miller, Brian 1963-6-1 Riverside 1000 Palms Oasis 30 Comment
  JEPS44897  Prunus fremontii W. L. Jepson 1901-5-22 1377 Riverside Mount San Jacinto, Palm Canyon Palm Canyon; Mount San Jacinto, Palm Canyon Comment
  UC400189  Prunus fremontii Ynes Mexia 1929-2-16 2327 Riverside near Palm Springs; Murray Canyon, Colorado Desert Comment
  RSA611287  Prunus virginiana var. demissa C. Epling, Wm. Robison 1935-6-30 s.n. Riverside San Jacinto Mountains: North Fork San Jacinto River. Comment
  CAS-BOT-BC356349  Psathyrotes ramosissima K. Bonner 1977-10-27 2608 Riverside 3 miles East of Chuckwalla Rd. 195 Comment
  OBI35673  Psathyrotes ramosissima Louis B. Ziegler 1977-4-12 561 Riverside Near Desert Hot Springs 381 Comment
  UC218054  Psathyrotes ramosissima P. A. Munz, D. Keck Apr 9 1922-Apr 12 1922 4839 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains, Corn Springs 457 Comment
  UCR34952  Psathyrotes ramosissima L. B. Ziegler 1976-9-20 554 Riverside Sonoran (Colorado) Desert, N end around Desert Hot Springs. 381 Comment
  JOTR35159  Pseudognaphalium canescens Harding, Mitzi, T. Herskovits 2011-9-14 158 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1304 Comment
  SD232607  Pseudognaphalium canescens Scott D. White 1996-8-15 4471 Riverside San Jacinto Mts: Idyllwild area: Alvin Meadows and unnamed canyon upstream. Site is at upper margin of area burned in July 1996. 1525 Comment
  UCR167791  Pseudognaphalium luteoalbum T. B. Salvato, Gregg Miller 2005-6-3 1384 Riverside Peninsular Range: Perris-Aguanga Basin, tributary of the San Jacinto River, c. 3 mi SW of Perris, 1.5 mi east of the Good Hope Mine and less than 0.25 mi south of Ethanac Road 433 Comment
  UCR114955  Psilocarphus brevissimus var. brevissimus Fred M. Roberts 1992-4-25 4867 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
  UCR93569  Psilostrophe cooperi P. J. Leary 1975-5-14 1187 Riverside Sonoran (Colorado)-Mojave Desert Transition, Hexie Mtns, Joshua Tree National Monument 1098 Comment
  UCR41396  Psoralea macrostachya N. M. Fellows, A. C. Sanders 1985-5-7 169 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  CAS-BOT-BC346362  Psorothamnus Marcus E. A M Jones 1925-9-7 s.n. Riverside Palm Spring Comment
  CAS-BOT-BC354282  Psorothamnus Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater Comment
  UC218162  Psorothamnus arborescens var. simplicifolius P. A. Munz and I. M. Johnston 1922-5-6 5167 Riverside Dry Morongo Wash; Colorado Desert 304 Comment
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Aug 18 2010
  UCR170128  Psorothamnus arborescens var. simplicifolius Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-30 95 Riverside San Gorgonio Pass, Morongo Indian Reservation; Road between Millard and Lion Canyon (Deep Canyon Road?), below Deep Canyon 619 Comment
  JOTR35985  Psorothamnus emoryi Harding, Mitzi, Mark Wheeler 2012-9-4 196 Riverside Joshua Tree National Park. Pinto Basin; north end of sand ramps west of Pinto Mtn; fine sand ramps and dunes (stop 2) 516 Comment
  POM27099  Psorothamnus emoryi Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA1195  Psorothamnus emoryi B. D. Stark 1930-4-2 784 Riverside Indio. 0 Comment
  UCD108316  Psorothamnus emoryi T. L. Secrest 1950-3-12 s.n. Riverside Near Indio. Comment
  UCR166008  Psorothamnus emoryi Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  HSC99951  Psorothamnus schottii J. P. Smith, & J. O. Sawyer 2011-6-9 13182 Riverside Along Hwy. 74. 972 Comment
  RSA498755  Psorothamnus schottii Albert J. Perkins 1916-4-18 s.n. Riverside Near Palm Springs. Comment
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Aug 27 2011
  SBBG27794  Psorothamnus schottii D. Myrick 1964-4-30 814 Riverside Pines to Palms Hwy 74, 5 mi W of Palm Desert 304 Comment
  SEINET2063921 Image available Psorothamnus schottii Unknown 1965-3-7 Riverside Directly 3 miles E of Thousand Palms. 91 Comment
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Mar 22 2019
  UCR158145  Psorothamnus schottii Lyman Benson 1949-3-28 13578 Riverside Sonoran (Colorado) Desert, Coachella Valley below Santa Rosa Mtns., east end of Pines to Palms Highway [Palm Desert] just above junction of Palm Springs-Indio Road 76 Comment
  POM12877  Pteridium aquilinum var. pubescens P. A. Munz 1922-7-5 6012 Riverside Tahquitz Valley, San Jacinto Mountains 2194 Comment
  CAS-BOT-BC421251  Pterostegia drymarioides Geo. B. Grant 1898-3-15 s.n. Riverside Riverside Comment
  CAS-BOT-BC421263  Pterostegia drymarioides H. M. Hall 1901-6-1 2080 Riverside San Jacinto Mountains. South slopes in the vicinity of Chalk Hill 1402 Comment
  RSA522713  Pterostegia drymarioides Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3899 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  UCR123819  Pterostegia drymarioides Steven R. Hill 2001-5-3 33672 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  UCR136271  Pterostegia drymarioides A. C. Sanders 2004-4-20 27551 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
  UCR102901  Purshia glandulosa Bern Schwenn 1998-5-9 s.n. Riverside Mojave Desert, Joshua Tree National Park, upper Smith Water Canyon, near Lower Covington Flat Picnic Area 1357 Comment
  JOTR31163  Purshia tridentata var. glandulosa La Doux, Tasha 2009-6-3 1869 Riverside Joshua Tree National Park. (Stop 5): Little San Bernardino Mountains, Covington Flats Area, lower slopes, just above parking area for lower Covington Flats 1460 Comment
  RSA0083324  Pyrola picta P. A. Munz, I. M. Johnston 1924-7-27 8791 Riverside Dark Canyon, San Jacinto Mountains. 2439 Comment
  UC847809  Quercus agrifolia I. W. Clokey, C. B. Clokey, B. C. Templeton 1930-4-15 4735 Riverside Gavilan Peak, ravine bottom 600 Comment
  UCR158909  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31541 Riverside San Jacinto Mtns., Bautista Canyon at confluence with Horse Creek, at entry road to Bautista Conservation Camp on main road 854 Comment
  SD136834  Quercus berberidifolia Steve Boyd 1994-10-14 8398 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, San Mateo Canyon, along San Mateo Trail between north branch of Tenaja Trail & Fisherman's Camp, on mesic north-facing slope 427 Comment
  SEINET10678317  Quercus berberidifolia Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-18 Scott 135 Riverside San Bernardino National Forest. San Jacinto Mountains. About 1.7 mi on Little Thomas Mtn. Rd., S of Lake Hemet, from Rt. 74. 1467 Comment
  UCR282412  Quercus berberidifolia Mitch Provance 2009-7-1 709- 04 Riverside Badlands of Western Riverside County, San Timoteo Canyon, just south of San Timoteo Canyon Rd. along paved access road to the El Casco Substation 616 Comment
  CAS-BOT-BC62440  Quercus chrysolepis John Thomas Howell 1927-8-2 2936 Riverside Rocky Canon-side, near top of Control on road to Hemet, Mt. San Jacinto 1371 Comment
  SBBG55971  Quercus cornelius-mulleri C. H. Muller, K. K. Muller 1983-4-15 11764 Riverside 0.5 mi S of Sage Forest Fire Stn, 13.4 mi S of Hemet 1639 Comment
  UCR40035  Quercus cornelius-mulleri G. R. Ballmer, G. F. Pratt 1985-10-19 s.n. Riverside Little San Bernardino Mtns., side canyon off Berdoo Canyon, near boundary of Joshua Tree National Monument [Park]. 1524 Comment
  CAS-BOT-BC94188  Quercus engelmannii B. Pitzer 1988-6-10 1053 Riverside Rancho California area, Carrancho Road near intersection with El Prado Road. Ca. 1/2-1 mi SE of De Luz Road Comment
  SEINET2066432 Image available Quercus engelmannii A. C. Sanders, E. J. Lawlor 1988-10-22 8718 Riverside Pinyon Flats area, Santa Rosa Mountians, along Horsethief Creek where the trail from the Dolomite Mine crosses. 1100 Comment
  UCR161009  Quercus engelmannii 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
  RSA571664  Quercus kelloggii C. Epling 1931-10-4 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1585 Comment
  SBBG1334  Quercus kelloggii M. Van Rensselaer 1937-6-23 Riverside Idyllwild Inn Comment
  RSA654164  Quercus palmeri A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22286 Riverside San Jacinto Mtns.: Santa Rosa Indian Reservation along Hwy 74, 2.1 mi. E of Hwy 371 junction to Anza, just W of Vandeventer Flat. 1463 Comment
  SBBG11833  Quercus palmeri D. E. Breedlove 1961-8-5 952 Riverside 2.7 mi N of Anza Rd, St Hwy 74 1310 Comment
  UCR270292  Quercus palmeri John F. Emmel 1999-10-2 1645 Riverside San Jacinto Mountains, southeast Garner Valley area, south end of Pine Meadow, 1.0-1.1 road miles southeast of Devils Ladder Road on Hwy 74, WSW of the hwy 1448 Comment
  CAS-BOT-BC104998  Quercus wislizeni C. B. Wolf 1931-10-14 2453 Riverside Snow Crrek, 100 yds. above the Fish Hatchery, N base of San Jacinto Mts. 609 Comment
  UCR121138  Quercus wislizeni June Latting 1973-9-1 s.n. Riverside San Jacinto Mountains, San Jacinto River canyon [near Strawberry Creek confluence] along Hwy-74 between Hemet and Mountain Center 1220 Comment
  CAS-BOT-BC362518  Rafinesquia californica Ivan Johnston 1917-4-4 1075 Riverside Colorado Desert. Palm Canyon 304 Comment
  JOTR32330  Rafinesquia californica La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 2452 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  UCR180043  Rafinesquia californica Mitch Provance 2005-5-18 9812 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  RSA472421  Rafinesquia neomexicana N. C. Cooper 1944-3-25 1038 Riverside Morongo Pass. 457 Comment
  UC219270  Ranunculus aquatilis var. capillaceus P. A. Munz and I. M. Johnston 1922-5-21 5522 Riverside Garner Ranch San Jacinto Mts., Hemet Valley 1371 Comment
  UC488997  Ranunculus californicus C. V. Meyer June 1927 196 Riverside Saunders Meadows San Jacinto Mts. 1676 Comment
  RSA0019609  Ranunculus eschscholtzii var. oxynotus Charlotte M. Wilder s.n. Riverside San Jacino Mts Summit. Comment
  RSA701410  Ranunculus hebecarpus Steve Boyd, Aydee Virgen 2004-4-13 10887 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  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
  CAS-BOT-BC158118  Ranunculus muricatus Jennifer H. Jones 2006-5-1 290 Riverside Foot of Box Springs Mtns. E of University of California Riverside Campus; University Village Apartments SW corner of Big Springs Rd. and Watkins Dr. 335 Comment
  POM273399  Raphanus sativus Lyman Benson 1932-3-26 3160 Riverside 3 miles N [of] Temecula. 457 Comment
  RSA585623  Rhamnus crocea D. L. Banks, S. D. Boyd 1995-3-15 58 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 680 Comment
  UCR241774  Rhamnus crocea A. C. Sanders, Timothy W. Chumley 2013-3-29 40712 Riverside Peninsular Range; Elsinore Area, Alberhill, Lake St. at Riverside Co. conservation reserve, 0.28 km south of intersection with Temescal Canyon Rd. 378 Comment
  RSA391104  Rhamnus ilicifolia Christopher Davidson, B. Gustafson 1977-4-7 5596 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope. 610 Comment
  RSA471023  Rhododendron occidentale N. C. Cooper 1949-6-29 4339 Riverside East side of San Jacinto Mountains. 457 Comment
  UCD116881  Rhus aromatica Ted C. MacRae 1995-5-26 43 b Riverside Santa Rosa Mts., Pinyon Flats Cpgd., 15.5 mi S Palm Desert. 1219 Comment
  RSA248050  Rhus ovata R. F. Thorne, C. W. Tilforth 1973-5-30 43575 Riverside Colorado Desert: Mouth of Morongo Valley at N end of Coachella Valley 549 Comment
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Jul 19 2015
  RSA543127  Rhus ovata Steve Boyd 1991-3-17 5471 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  RSA76945  Rhus trilobata var. pilosissima F. W. Peirson 1928-3-24 7727 Riverside Large clumps along road up Temecula River, just north of Dripping Spring. 457 Comment
  RSA501073  Ribes indecorum Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3191 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 549 Comment
  SEINET238553 Image available Ribes nevadense George K. Helmkamp 1998-6-27 4126 Riverside Santa Rosa Mtns.: 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of Santa Rosa Spring. 2232 Comment
  RSA50328  Ribes roezlii E. K. Balls 1949-5-4 1348 Riverside 0.5 mile south of Vista Grande Ranger Station, San Jacinto Mts. 1494 Comment
  RSA658886  Ricinus communis Douglas A. Springer 1981-2-16 10 Riverside 3.9 miles NW of California State Hwy. 74 on Santa Rosa Rd. approx. 5 miles from Perris. Comment
  RSA662126  Ricinus communis Daniel Curran 1981-2-16 19 Riverside Lake Matthews Drive, 5.8 miles from junction with Cajalco Rd. Comment
  UC50168  Romneya coulteri H. M. Hall 1897-5-27 568 Riverside Corona Comment
  CAS-BOT-BC92170  Romneya coulteri var. coulteri L. R. Abrams 1913-7-16 s.n. Riverside Between Elsinore and Corona. Comment
  CAS-BOT-BC147538  Rosa californica Lathrop; Thorne 1967-9-26 6611 Riverside Tenaja Guard Station, 10 mi. NW of Murrieta Comment
  UC1929954  Rosa californica Scott D. White, Justin Wood 2008-6-16 12121 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. Comment
  UC1971231  Rubus parviflorus Scott D. White 1998-7-31 6939 Riverside IDYLLWILD AREA: Strawberry Creek between crossing at Circle Dr. and Humber Park. USGS 7.5' San Jacinto Peak quad. Comment
  UC218158  Rubus parviflorus P. A. Munz 1922-9-6 6385 Riverside North Fork of Tahquitz Creek San Jacinto Mts., North Fork Tahquitz Creek 2209 Comment
  RSA466040  Rumex acetosella N. C. Cooper 1944-5-6 1208 Riverside Banning. 701 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
  RSA180480  Rumex conglomeratus E. W. Lathrop 1960-6-8 4907 Riverside 14 miles west of Murrieta Comment
  CAS-BOT-BC433586  Rumex hymenosepalus A. C. Sanders; Pam MacKay; E. J. Lawlor; C. L. Sanders 2000-3-19 23319 Riverside Shipley-Skinner Reserve area: Diamond Valley, off old Rawson Rd. N of Crown Valley, on future bed of Dia Val. Reservoir, now filling. 488 Comment
  CAS-BOT-BC433587  Rumex hymenosepalus Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-30 3954 Riverside Vail Lake area, granitic ridge at S end of Black Hills S of 'Big' Oak Mtn. 731 Comment
  CLARK-A1528-768  Rumex salicifolius Bruce Freeman 1968-5-22 680522-2 Riverside Riverside Comment
  UCR89792  Rumex salicifolius var. denticulatus Scott D. White 1993-5-27 1412 Riverside North Alberhill Ranch, hills north of Walker Canyon 488 Comment
  CLARK-A1528-5728  Ruta graveolens John C. Roos 1948-2-21 3771 Riverside Reche Canyon 457 Comment
  RSA605752  Sagina apetala A. C. Sanders, G. K. Helmkamp 1996-3-17 17995 Riverside Cathedral City, Cathedral Plaza, Hwy 111 at Date Palm Dr. 91 Comment
  UCR260268  Salazaria mexicana A. C. Sanders, Jim Malusa 2015-3-11 41410 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, side canyon draining from the NE into large canyon containing the Gasline Road, c. 2.5 miles north of the Imperial Co. line, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  CAS-BOT-BC6028  Salicornia subterminalis Samuel Bonsal Parish; William Fletcher Parish 1882-6-1 1520 Riverside San Jacinto Plains Comment
  UC809721  Salix exigua Philip A. Munz 1949-4-13 13046 Riverside wash above Cottonwood Springs; Colorado Desert, w end Eagle Mts. 1097 Comment
  UCR93234  Salix exigua A. C. Sanders 1994-7-27 15161 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 Comment
  UCR97690  Salix exigua A. C. Sanders, G. Helmkamp 1997-3-15 19967 Riverside Lake Skinner area: lower Rawson Canyon, along the dirt road toward Bachelor Mountain 457 Comment
  JOTR30774  Salix exigua var. exigua La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1886 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  LA208620  Salix exigua var. exigua Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  JOTR36421  Salix exigua var. hindsiana La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3367 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  CAS-BOT-BC108113  Salix gooddingii Fay A. Mac Fadden 1936-3-20 14666 Riverside Morongo Valley Comment
  UCR116411  Salix gooddingii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24177 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR89775  Salix gooddingii Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  RSA0010972  Salix hindsiana John F. Emmel 1978-5-27 606 Riverside San Jacinto River bed, at SW base of the San Jacinto Mts., N of Valle Vista. 514 Comment
  UC506447  Salix laevigata Carl Hedin and Joseph Ewan 1933-3-19 7679 Riverside Comment
  RSA0010973  Salix laevigata M. Lee Overholtzer 1961-3-29 135 Riverside Side of the road at El Carise Guard Station Ortaga Hwy. Santa Ana Mtns. 1677 Comment
  UCR109734  Salix lasiolepis R. E. Orth 1963-3-8 s.n. Riverside Riverside, Santa Ana River 213 Comment
  UCR121897  Salix lasiolepis Ian G. Gillespie 2001-5-7 80 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as Sycamore Canyon Area. North of Indian Truck Trail, in drainage off of De Palma Road. Heavy construction currently underway in adjacent areas 335 Comment
  UCR45119  Salsola paulsenii 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
  RSA523476  Saltugilia australis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4038 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  HSC86129  Saltugilia grinnellii subsp. grinnellii M. H. Frost, Jr. 1954-6-6 13 Riverside San Jacinto Mtns. 1524 Comment
  JOTR16794  Saltugilia splendens subsp. splendens Moore, Sue 1968-5-6 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  SD48522  Salvia apiana E. K. Balls, P. C. Everett 1957-11-4 22748 Riverside Snow Creek near old Fish Hatchery, north base San Jacinto Mountains. 701 Comment
  UCLA55212  Salvia apiana C. Epling and Mrs. Epling 1937-6-6 B Riverside 0.6 mi below Palms to Pines Hwy. (Palmes-Pines Hwy) Comment
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Dec 18 2011
  HSC78990  Salvia columbariae K. Berg 1981-5-1 357 Riverside San Jacinto Mtns. along Banning-Idyllwild Hwy. (243) below Mt. Eden Comment
  RSA170162  Salvia columbariae L. B. Ziegler 1964-8-18 s.n. Riverside Morris Ranch Road north of Kenworthy Ranger Station, Garner Valley, San Jacinto Mts. 1463 Comment
  SDSU12260  Salvia columbariae Jeremy Mass, Ryan Jacobsen 2000-4-19 5 b Riverside Stone Creek streambed adjacent to Southside Field Station, Santa Margarita Ecological Reserve (SDSU). Growing near edge of road on east side. 222 Comment
  SEINET2066015 Image available Salvia columbariae C. Francis Shutts 1949-3-18 40 Riverside 'Box Canyon', old Mecca Blythe Hwy, Orocopia Mountains 182 Comment
  SEINET7907885  Salvia columbariae D. A. Johnson 2005-1 2005- 02 -20-13 Riverside Between Coachella & S entrance to Joshua Tree Nat'l Park, S of Interstate 10 914 Comment
  CAS-BOT-BC221088  Salvia eremostachya Peter H. Raven 1958-5-18 13000 Riverside Along State Highway 74, 4.9 miles north-east of Pinon Flats [Pinyon Flat], San Jacinto Mountains Comment
  SFV4248  Salvia greatae W. A. Emboden, Jr. May 1963 s. n. Riverside Colorado Desert Between Chocolate Mountains and Orocopia Mountains at base of outwash plains. 245 Comment
  UCR251322  Salvia greatae Michelle Murphy-Mariscal 2014-5-6 50614- 01 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, 1.25 mi. NE (67 deg. ) of trestle on Kaiser mine RR at wash crossing, between RR and Bradshaw Rd. 308 Comment
  UCR277735  Salvia mellifera Mitch Provance 2012-1-26 112- 05 Riverside Badlands of Western Riverside County, San Timoteo Canyon, El Casco area, 0.3 miles S of Fisherman's Retreat 695 Comment
  JEPS62774  Salvia pachyphylla Carl V. Meyer 1928-7-27 568 Riverside Hidden Lake Trail; Tahquitz Valley 2438 Comment
  UC25680  Salvia pachyphylla H. M. Hall 1901-6-1 2160 Riverside e base along the borders of the Colorado Desert San Jacinto Mts.; Colorado Desert, San Jacinto Mts. 1402 Comment
  RSA125462  Salvia vaseyi E. K. Balls, P. C. Everett 1957-8-20 22663 Riverside 7.5 mi. n. along rd. to 29 Palms [62] from jct. with U.S. Hwy. 60/70/99 381 Comment
  UCR3325  Salvia vaseyi Anne Brown, C. Brown 1964-4-11 11464- 4 Riverside Santa Rosa Mtns, Palms to Pines Hwy 1067 Comment
  RSA718575  Salvia vaseyi Michael Honer, L. Hulse 2004-4-3 1894 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  UC2031940  Salvinia minima R. E. Riefner Jr. 2009-2-25 09 -17 Riverside City of Lake Elsinore, S side of Temescal Wash, W of Highway 74, vicinity of Bromley Ave. at Bennett St. Comment
  CAS-BOT-BC238855  Sambucus nigra subsp. caerulea A. C. Sanders; Mitch Provance; T. B. Salvato 2001-5-7 24168 Riverside Perris-Aguanga Basin region: S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. E of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
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Dec 7 2018
  CAS-BOT-BC238859  Sambucus nigra subsp. caerulea H. M. Hall 1901-6-1 2216 Riverside San Jacinto Mountains. Onstatt's Valley 1615 Comment
  SEINET3083188 Image available Sambucus nigra subsp. canadensis Richard L. Irwin 1962-4-23 44 Riverside About 1/2 mile E. of physics bldg. at U. C. R. Comment
  UCR59763  Sanicula crassicaulis Steve Boyd, T. Ross, et al 1989-3-31 3074 Riverside Peninsular Range, Vail Lake area, south of Hwy 79, 0.25 mi east of Pauba Road 457 Comment
  SEINET273045 Image available Sanicula tuberosa A. C. Sanders 1997-4-3 20150 Riverside Lake Skinner area; near N foot of Black Mtn, slopes S of Crown Valley. UTM 10km cell: MH-9E 2N. Domenigoni Valley 655 Comment
  JEPS59100  Sarcodes sanguinea Carl V. Meyer Jun 1927 157 Riverside Saunder's Meadow, San Jacinto Mts. Comment
  UCR33583  Sarcostemma cynanchoides Faulkner 1978-4-27 506 Riverside Eastern Colorado Desert, 22 mi NW of Blythe, north and west of Midland 306 Comment
  UC596673  Sarcostemma cynanchoides subsp. hartwegii R. J. Smith May 1904 Riverside White Water Comment
  UC729692  Sarcostemma cynanchoides subsp. hartwegii Carl B. Wolf 1932-4-29 3102 Riverside 20 mi. from Blythe (on Rice Rd.); e. Colorado Desert, w. edge Maria Mts. 152 Comment
  RSA585633  Saxifraga californica D. L. Banks, Steve Boyd 1995-3-15 0068 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 720 Comment
  UCR214430  Schismus arabicus A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37495 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  CLARK-A1528-5533  Schismus barbatus John C. Roos 1951-3-24 5033 Riverside Riverside 396 Comment
  UCR56085  Schismus barbatus J. A. Adams 1966-3-12 451 Riverside Sonoran (Colorado) Desert, Coachella Valley; Hwy 74, 2 mi above Palm Desert 216 Comment
  RSA651603  Schismus barbatus Marion P. Harthill 1973-2-17 1580 Riverside Scissors Crossing, [to?] Palm Springs 731 Comment
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May 2 2016
  CAS-BOT-BC111579  Schoenoplectus americanus P. A. Munz; Street; Williams 1919-3-26 2335 Riverside Figtree John's Spring near Salton Sea standing in water. -60 Comment
  JOTR35201  Schoenoplectus americanus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3275 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  UC574975  Scirpus maritimus C. Epling and J. Ewan June, 1933 Riverside s shore Lake Elsinore; s shore Lake Elsinore Comment
  UCR277734  Scirpus microcarpus Mitch Provance 2012-1-26 112- 01 Riverside Badlands of Western Riverside County, San Timoteo Creek, about 3.5 miles west of Beaumont, N side of Hwy. 60 1479 Comment
  SBBG54856  Scrophularia californica D. Keil, M. McLeod 1977-3-26 12023 Riverside 0.7 mi W of jct with Riverside Country Rd R-3 (to Hemet) along St Hwy 79 Comment
  UCR137043  Scrophularia californica A. C. Sanders 2004-5-5 27785 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  RSA507950  Scrophularia californica subsp. floribunda Steve D. Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2267 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UCSB72211  Scutellaria bolanderi subsp. austromontana Sanders, A.; Thomas, Tim; Salvato, T. 2008-6-25 Riverside Peninsular Range; San Jacinto Mtns; May Valley c. 1.0 mi. WSW of Fleming Ranch; along nameless tributary of Herkey Creek (Idyllwild 7.5' Q.,±1000m;T5S R3E S20, SE/4). 1585 Comment
  POM12791  Scutellaria siphocampyloides P. A. Munz 1922-6-23 5762 Riverside Keen Camp, San Jacinto Mountains. 1524 Comment
  UCR123388  Searsia lancea Wendy Walters 2001-3-23 s.n. Riverside Western Colorado Desert, Coachella Valley, La Quinta at corner of Jefferson St. and Ave. 50 11 Comment
  UCD92559  Secale cereale R. N. Raynor 1938-6-20 s.n. Riverside Herky Creek. Comment
  PASA706  Securinega fasciculata var. hallii Stason 1931-4-1 Riverside near Cottonwood Springs Comment
  RSA769518  Selaginella bigelovii Duncan S. Bell, Lucilla Reccia 2010-5-5 967 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 791 Comment
  UCR90978  Selaginella bigelovii Scott D. White 1996-3-23 3844 Riverside Perris Basin, Santa Rosa Hills, SE of Hemet, Loomis property, 'Friendly Hills Ranch 610 Comment
  UCR91553  Selaginella eremophila A. C. Sanders, C. L. Sanders, G. K. Helmkamp, L. Lubinsky 1995-1-29 15903 Riverside San Jacinto Mtns/Colorado Desert, Chino Canyon near Palm Springs, along the loop rd just below the lower tram station 793 Comment
  SEINET7063442  Senecio A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles west of Sage on East Benton Road. Tucalosa Hills. UTM Zone 11, 499688mE, 3715592mN. (WGS84/NAD83). 527 Comment
  RSA525450  Senecio californicus Steve Boyd, David E. Bramlet 1990-4-29 4495 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  CAS-BOT-BC323969  Senecio flaccidus var. douglasii Lewis S. Rose 1946-1-2 46012 Riverside Colorado Desert. Palms to Pines Highway 1066 Comment
  JOTR36097  Senecio flaccidus var. douglasii La Doux, Tasha, K. Matthews, S. Szabo, B. Truesdell, J. Van Warmerdam 2007-10-4 3374 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (STOP3). 1362 Comment
  UC74096  Senecio flaccidus var. douglasii M. F. Gilman 1904-1 30 Riverside Banning , Southern California (Southern California) Comment
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Mar 21 2011
  UC832992  Senecio flaccidus var. monoensis I. W. Clokey 1935-4-17 6937 Riverside Cottonwood Springs Comment
  JOTR01287  Senecio flaccidus var. monoensis Cole, James E. 1941-5-21 754 Riverside Joshua Tree National Park. COTTONWOOD SPRING WASH 914 Comment
  JEPS23577  Senecio mohavensis Peter H. Raven 1958-3-15 11851 Riverside Box Canyon Comment
  CLARK-A1528-292  Senecio vulgaris J. D. Jacobi 1970-4-30 O 430 -6 Riverside Lakeview 274 Comment
  RSA554285  Senecio vulgaris Scott D. White 1992-2-25 92 -4 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
  RSA614654  Senecio vulgaris A. C. Sanders 1997-3-1 19703 Riverside Box Springs Mtns.: Coyote Hill (Bench Mark ''Versity'', 1386 ft.) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  SD84910  Senegalia greggii Nancy Ryan Zabriskie, Walter Zabriskie 1971-10-24 458 Riverside Andreas Canyon, East side of San Jacinto Mountains, north side of stream, Comment
  SBBG112480  Senna armata C. Bornstein 1994-5-2 Riverside Randolph Ranch, Joshua Tree Nat Monument 1280 Comment
  RSA0023063  Senna armata John F. Emmel 1995-4-21 1365 Riverside Little Maria Mts., northwest end; large canyon and wash 0.4 air mile southwest of peak 2479. 579 Comment
  CDA27826  Senna covesii M. K. Bellue Oct 1931 Riverside Coachella Canyon. 0 Comment
  RSA0031606  Sequoiadendron giganteum Rudolf Schmid, Mena Schmid 2009-5-1 2009 -1 Riverside NW. San Jacinto Mtns., ne. of HW 243 ca. 16 highway km nw. of Idyllwild, in the s. unit of the San Bernardino National Forest, on sw. flank of Black Mtn. Just left (as ascending) of Black Mountain Trail on slope by large trunk lying across trail, at the, head of Hall Canyon. 2036 Comment
  UCR5958  Sesuvium verrucosum Barry A. Vittor 1966-3-25 s.n. Riverside Sonoran Desert; Western Colorado Desert, Coachella Valley, Palm Island Estates, Hwy 111, 2 mi. NW of Salton Sea State Park -30 Comment
  RSA724104  Setaria adhaerens R. E. Riefner 2005-10-7 5 -723 Riverside City of Riverside, residential lots along Elderwood Ct. at Tequesquito Ave. 237 Comment
  UCR126421  Setaria adhaerens T. B. Salvato, A. C. Sanders 2000-4-27 63 Riverside Coachella Valley, between Filmore & Buchanan on Avenue 56 -12 Comment
  CAS-BOT-BC243634  Setaria pumila S. B. Parish 1912-10-13 8244 Riverside Mecca, Salton Basin -57 Comment
  UCD92744  Setaria pumila Edward G. Wegenek 1970-8-24 LASCA 952 Riverside southeastern Riverside County. Comment
  CSUSB591  Sidalcea malviflora J. E. Parlevlief 1958-5-11 Riverside Along highway 74, about 3/4 mile west of summit of road on the El Cariso campgrounds 761 Comment
  RSA180240  Sidalcea malviflora subsp. sparsifolia E. W. Lathrop 1965-4-4 5616 Riverside 8 miles west of Murrieta Comment
  RSA433921  Sidalcea malviflora subsp. sparsifolia W. P. Burger 1979-4-27 57 Riverside Off Caranchos Rd., just W of where creek crosses road. Hidden Valley. 366 Comment
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Jan 11 2016
  SEINET4176379  Sidotheca emarginata J. L. Reveal, B. J. Ertter 1976-6-30 4570 Riverside Santa Rosa Mountains, along the dirt road to Santa Rosa Mountain, 4.6 miles south of California Highway 74 1829 Comment
  RSA701557  Silene gallica Steve Boyd, Aydee Virgen 2004-4-13 10848 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA666724  Silene multinervia A. C. Sanders, Steven R. Hill 2001-5-4 24130 Riverside Santa Ana Mountains region: W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro ( to Sandia Crk. Dr.), E side of Rancho C. Rd. 488 Comment
  RSA557877  Silene multinervia Steve Boyd, Orlando Mistretta 1992-4-23 7053 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside Co. line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 243 Comment
  CAS-BOT-BC389578  Silene parishii Louis C. Wheeler 1931-10-3 224 Riverside N side Tahquitz Peak, San Jacinto Mts. 2621 Comment
  SD67900  Silene parishii var. viscida Reid Moran 1968-8-3 15369 Riverside North slope 1.0 mile west of summit; Santa Rosa Mountain. 2150 Comment
  CAS-BOT-BC202951  Simmondsia chinensis B. Trowbridge 1979-4-17 6098 Riverside Lower Cottonwood Springs Wash, 1 mile north of Interstate 10 335 Comment
  HSC101265  Simmondsia chinensis Jim Andre 2012-3-19 21375 Riverside Palen Valley; along Palen Pass Rd. (dirt), 7.1 mi. east of Hwy. 177. 321 Comment
  POM177871  Simmondsia chinensis Marcus E. Jones 1930-3-15 26525 Riverside Eagle Mountains. Comment
  UC1444525  Simmondsia chinensis Rudolf Schmid 1973-4-14 1973 -1 Riverside Cholla Cactus Garden Joshua Tree National Monument; , Cholla Cactus Garden Comment
  UCR163079  Simmondsia chinensis B. G. Pitzer 2000-5-7 4142 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  SEINET12143295  Simmondsia chinensis R. F. Thorne, Shmida, A.; Whittaker, R. 1978-1 52072 Riverside Palms to Pines Highway: Along highway Comment
  CAS-BOT-BC74911  Sinapis arvensis H. K. Wagnon 1944-3-8 311 Riverside West side of stream about 100 yards south of Trading Post, Palm Canyon. Comment
  UCSB39322  Sisymbrium altissimum Jorgensen, Jan 1982-3-23 Riverside 3 kilometers up road to aerial tramway, Palm Springs 120 Comment
  CSUSB553  Sisymbrium irio Leland R. Dykes 1962-4-1 17 Riverside White Water Canyon Road, 4.5 miles north of US 60 Comment
  RSA431737  Sisymbrium irio E. A. McGregor 1964-6-10 s.n. Riverside On Highway 74, west of Elsinor. 914 Comment
  UCR139129  Sisymbrium irio Julie A. Greene 1993-4-17 1213 Riverside San Jacinto Valley, San Jacinto Wildlife Area, flat area west of Davis Rd 445 Comment
  UCD115612  Sisymbrium orientale Philip A. Munz; P. C. Everett 1952-5-2 16237 Riverside NW end of Coachella Valley. 457 Comment
  UCR272904  Sisymbrium orientale Duncan S. Bell, Amanda Bell 2012-1-29 3081 Riverside Sonoran (Colorado) Desert, north of the Arica Mountains; northwest section of Rice Valley, at ghost town of Rice along Hwy 62 284 Comment
  RSA719270  Sisymbrium orientale Michael Honer, L. Hulse 2004-4-3 1904 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. 610 Comment
  CSUSB36  Sisyrinchium bellum Holzmiller Riverside Santa Ana Canyon Santa Ana Canyon; 1.5 miles on road entrance from Murrieta. 304 Comment
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Sep 29 2011
  UCR189285  Solanum americanum Fred M. Roberts, S. Leatherman 2007-9-19 6584 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  RSA500105  Solanum douglasii Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-6-10 3665 Riverside Vail Lake area, Temecula Creek canyon below the dam. 457 Comment
  RSA710176  Solanum douglasii A. C. Sanders 2004-5-12 27885 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  RSA770314  Solanum douglasii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4404 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  SJSU7859  Solanum douglasii G. E. Eberly 1962-12-27 Riverside just beyond end of Two Trees Rd, Riverside Comment
  UCR94928  Solanum elaeagnifolium Scott D. White 1996-9-22 4526 Riverside Hemet: Roadside and vacant lot at NW corner of Stetson Ave./ Stanford intersection. 518 Comment
  RSA321314  Solanum elaeagnifolium A. C. Sanders, O. F. Clarke, R. Allert 1984-7-18 5109 Riverside Common in a weedy parking near the intersection of Wheeler and Miller St., near Hunt Park, Arlington area. 259 Comment
  UCR182162  Solanum nigrum S. Gomez Martinez, Joseph Gomez 1998-8-9 s.n. Riverside San Bernardino Valley, Riverside, field on north side of Magnolia Ave. near intersection with Wayne Ct., across the street from California Baptist University 241 Comment
  CSUSB1319  Solanum parishii J. R. Sweeten 1965-5-11 Riverside Box Springs Mountains In canyon between Riverside Trash Dump and Pigeon Pass Road. Box Springs Mountains, in shade of large rocks. Comment
  POM304790  Solanum umbelliferum Henry J. Ramsey, Henry J. Ra