Search Results — 2000 specimen records retrieved (1886 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SD229022  Abies concolor Dick Schwenkmeyer 2012-8-7 787 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  CSUSB577  Abronia villosa P. A. Rauch 1966-2-19 Riverside 2 miles east of 1000 Palms Canyon at dirt road to Hidden Springs Ranch. 60 Comment
  HSC16148  Abronia villosa R. A. Eagle 1964-3-28 25 Riverside 19 mi. out of Palm Springs on main Hwy. Comment
  RSA714961  Abronia villosa Sarah J. De Groot, J. Mark Porter 2006-3-14 5203 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. Stabilized sand dunes. 351 Comment
  SEINET3092151 Image available Abronia villosa Norman C. Cooper 1949-4-8 3232 Riverside Mecca Pass east of Indio. Comment
  RSA749943  Abronia villosa var. villosa Justin M. Wood 2009-3-26 410 Riverside [Coachella Valley:] Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  UCR261448  Abronia villosa var. villosa A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41421 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
  OBI77000  Acamptopappus sphaerocephalus Patrick A. Holden 1969-4-23 782 Riverside Along old hwy 62, ca. 2 mi n of intersection with UAS 60-70 highway, 8 mi sw of Desert Hot Springs Comment
  RSA730112  Acamptopappus sphaerocephalus var. sphaerocephalus R. F. Thorne 1966-10-15 41805 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  CAS-BOT-BC331638  Acer macrophyllum B. D. Stark 1930-2-21 1474 Riverside Hidden Canyon, near Corona, Santa Ana Mts. Comment
  SEINET13363739 Image available Achillea lanulosa Dieter H. Wilken 1965-1 276 Riverside Herkey Creek Public Camp, Hemet Valley, San Jacinto Mountains 1372 Comment
  RSA752817  Achillea millefolium A. C. Sanders, Tim Thomas 2008-8-1 35955 Riverside lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  RSA575824  Achnatherum coronatum Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region, western flank of Estelle Mountain above entrenched meander of Temescal Creek, northwest of Lee Lake. 366 Comment
  UC777975  Achnatherum coronatum Frank W. Gould 1943-4-17 2128 Riverside 12 mi s on road to Elsinore Corona Comment
  RSA0103317  Achnatherum speciosum Jim M. Andre 2012-4-11 20701 Riverside Little San Bernardino Mountains; Hidden Tank Picnic Area, 1.4 mi. SW of paved road (Utah Trail) to Cottonwood Spr, approx. 8 mi. south of North Entrance Sta., N. end of Hexie Mtns. 1076 Comment
  SBBG71600  Achyronychia cooperi Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  UCR116304  Achyronychia cooperi B. G. Pitzer 1998-2-1 3431 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UCR148859  Achyronychia cooperi 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
  UCR163923  Achyronychia cooperi A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29131 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  SEINET5327357  Acmispon argophyllus var. argophyllus H. M. Hall 1897-4-3 423 Riverside Vicinity of Winchester, in the Upper Sonoran Zone Comment
  RSA0124001  Acmispon argyraeus var. argyraeus Duncan S. Bell, Thomas Stoughton 2016-4-13 9249 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  SDSU13979  Acmispon strigosus Michael G. Simpson, Adrienne Russell 2000-4-29 2077 Riverside Rocky ridge, ca. 100-150 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  UCD104364  Acmispon strigosus Rimo Bacigalupi; L. Heckard 1962-3-25 8391 Riverside Eastern base of the Santa Ana Mountains just north of Bedford Canyon; about 5 miles southeast of Corona. 304 Comment
  UCSB18818  Acmispon strigosus Wright, David 1963-5-5 Riverside State Highway 74, 6.8 miles S of Dead Indian Creek 1066 Comment
  CAS-BOT-BC133136  Adenostoma fasciculatum Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning 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
  RSA608236  Adenostoma fasciculatum var. fasciculatum Steve D. Boyd, Bart O'Brien 1998-1-13 10070 Riverside Santa Ana Mountains: north end of the range, ESE of Sierra Peak along Main Divide Road (3S04), ca. 0.6 mi from summit of peak on divide between Fresno and Fremont canyons. 915 Comment
  UCSB2737  Adenostoma sparsifolium Wilson, Richard 1958-5-18 Riverside 8 miles SE of Junction Idyllwild Hwy. and State 74 on State 74. Comment
  SD82401  Adiantum capillus-veneris Albert C. Copeland Unknown 2637 Riverside Temecula CaA'on Comment
  UCR2124  Agrostis idahoensis F. M. Reed 1908-7-14 2473 Riverside San Jacinto Mtns., Meadow in Round Valley 2744 Comment
  SBBG59483  Agrostis scabra R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
  UCR98433  Allium cratericola G. R. Ballmer, Kay Stockwell 1995-6-25 s.n. Riverside San Jacinto Mtns, Pacific Crest Trail, near Pyramid Peak [c. 3 km (airline) SSE of Palm View Pk.--A. C. Sanders] 2134 Comment
  IRVC25  Allium haematochiton R. H. Whittaker, W. A. Niering 1963-6-20 SJ 501 Riverside Peninsular Ranges, San Jacinto Mountains 1677 Comment
  UCR135817  Allium haematochiton A. C. Sanders, Guy Bruyea 2004-4-2 27430 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
  CLARK-A1528-2278  Alnus rhombifolia John C. Roos 1948-5-8 3828 Riverside Whitewater 518 Comment
  RSA736729  Alnus rhombifolia Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10679 Riverside Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  UC455281  Alnus rhombifolia I. J. Condit 1910-6-23 Riverside Strawberry Valley San Jacinto Mts. (along stream) 1676 Comment
  SDSU21792  Alopecurus saccatus Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3986 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  UC7527  Amaranthus albus H. M. Hall 1901-8-1 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  UCR92407  Amaranthus californicus F. M. Reed 1933-9-20 8098 Riverside San Jacinto Mtns., N shore of Hemet Lake 1525 Comment
  UCR146499  Amaranthus palmeri Scott D. White, Angelia Carey 2004-9-16 10756 Riverside San Jacinto Mountains foothills, Intersection of Soboba Road and Castile Canyon Rd. 509 Comment
  JEPS123814  Amaranthus torreyi J. Andre, T. La Doux 2008-9-16 10686 Riverside Joshua Tree National Park: JTNP: along Bell Mountain Road, atop Bell Mountain approx. 0.3 mi N of radio tower. Queen Mountain USGS 7.5' Quad. Comment
  RSA416903  Ambrosia acanthicarpa H. de Forest 1932-8-27 s.n. Riverside Beaumont-Banning Pass Comment
Read comments
Nov 2 2011
  UCR176766  Ambrosia acanthicarpa G. S. Nuessly 1980-11-11 s.n. Riverside Riverside: U.C. Riverside campus, near Health Center 351 Comment
  CAS-BOT-BC22584  Ambrosia dumosa Aven Nelson; Ruth Ashton Nelson 1939-3-28 3297 Riverside Near the north end of Salton Sea, highway 111 Comment
  CAS-BOT-BC22593  Ambrosia dumosa William S. Davis 1960-3-12 102 Riverside Box Canyon, 7.7 miles W of Junction with US Highway 60-70. Comment
  CAS-BOT-BC22608  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -335 Riverside Joshua Tree National Monument: about 7 mi S of Entrance to Cottonwood Springs Campground Comment
  JOTR29081  Ambrosia dumosa La Doux, Tasha 2005-3-30 1198 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR29388  Ambrosia dumosa La Doux, Tasha, Mike Bell 2006-5-10 1465 Riverside Joshua Tree National Park. East Deception Canyon Comment
  RSA780229  Ambrosia dumosa Stephanie Rockwood, Christi Gabriel 2011-10-12 107 Riverside East side of the West Riverside Mountains. Highway 62 to NS857 (Radio Tower Road) to NS 853 to 7 Wash Road. Vidal Valley. 348 Comment
  SFV6344  Ambrosia dumosa T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 60 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Comment
  CLARK-A1528-5016  Ambrosia ilicifolia John C. Roos 1945-10-25 3147 Riverside Chuckwalla Mountains Comment
  CLARK-A1528-1541  Ambrosia psilostachya John C. Roos 1937-8-17 1218 Riverside Hemet Comment
  UCR121890  Ambrosia psilostachya Ian G. Gillespie 2001-5-7 77 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
  RSA605292  Ambrosia pumila D. E. Bramlet 1997-7-18 2575 Riverside Nichols Road Wetland Area: The site is located approximately 7.5m northwest of Nichols Road and 91m west of Alberhill Creek. This locality is approximately 366m southwest of the I-15 Freeway. 117 Comment
  SD131197  Ambrosia pumila David B. Zippin 1991-5-30 138 Riverside 40 m W of Skunk Hollow Vernal Pool, Bachelor Mtn. Quad Comment
  CAS-BOT-BC273006  Ambrosia salsola Winfield 1975-4-27 2412 Riverside Snow Creek Rd ~3 mi from Hiway 111 Comment
  CAS-BOT-BC273009  Ambrosia salsola Ivan Johnston 1917-4-4 1087 Riverside Mouth of Andreas Canyon 60 Comment
  CAS-BOT-BC273023  Ambrosia salsola C. L. Hitchcock 1966-3-16 24217 Riverside 4 mi. s. of Palm Desert, along Palms to Pines Hiway Comment
  SEINET10875649  Ambrosia salsola David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-14 Dunn 3726 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  SD128756  Ambrosia salsola var. salsola Darley F. Howe 1980-4-15 Riverside 4 miles west of Mesa Verde, south slope of McCoy Mountains, Highway 10 Comment
  UC472696  Amelanchier utahensis M. F. Spencer 1922-6-6 Riverside Mt. Tahquitz; San Jacinto Mts. 2696 Comment
Read comments
Jul 5 2008
  LA204911  Amorpha californica var. californica Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, San Gorgonio Wash Comment
  CAS-BOT-BC177259  Amorpha fruticosa Elizabeth McClintock 1965-6-25 s.n. Riverside Road to Santa Rosa Mountain, a short distance from Pines to Palms Highway Comment
  RSA0103091  Amorpha fruticosa Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8549 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  RSA487452  Amsinckia intermedia Bill Wagner 1988-3-9 s.n. Riverside Grain field at Benton Rd. and San Diego aqueduct, 1/2 mile E of Winchester Rd., NE of Murrieta. 412 Comment
  UCR138889  Amsinckia intermedia D. L. Banks 1997-4-5 1684 Riverside Agua Tibia Mtns., NW Palomar Mountains: Agua Tibia Wilderness area. south of Dorland Mountain, just west of the Pechanga Indian Reservation boundary, at the headwaters of a tributary of the N fork of Pechanga Creek 793 Comment
  UCR2879  Amsinckia intermedia N. J. Matthews 1963-4-10 41063 2 Riverside 2 mi east of junction of Pigeon Pass Rd and Mt. Vernon along roadside 488 Comment
  UCR174237  Amsinckia retrorsa A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32664 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  RSA0091462  Amsinckia tessellata Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia, Lonnie Rodriquez, April Sall 2010-4-12 4736 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65128 600 Comment
  UCR11338  Amsinckia tessellata John M. Spencer 1971-4-16 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument [now Park], 1 mi. north of Cottonwood Spring campground & Ranger Station [via Pinto Basin Rd.] 956 Comment
  JOTR34229  Amsinckia tessellata var. tessellata La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3082 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Lower ridges at base of Quail Mountain; within old burn area between Lost Horse Valley and Juniper Flats (Stop 2) Comment
  JEPS49776  Amsonia tomentosa W. L. Jepson 1928-4-25 12626 Riverside White Tank Mohave Desert, Pinto Mts., White Tank 1371 Comment
  UCR281914  Amsonia tomentosa var. brevifolia A. C. Sanders, Jim Malusa 2017-9-19 43341 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, canyon 4.65 km SW (211 deg. ) of Tabaseca Tank 744 Comment
  SD137658  Anagallis arvensis Darin L. Banks, Steve Boyd 1995-5-3 220 Riverside Cleveland National Forest; Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along Arroyo Seco 500 Comment
  POM19839  Anemopsis californica Mary F. Spencer 1923-6-5 2245 Riverside Soboba Hot Springs, near San Jacinto. 549 Comment
  UC219552  Anemopsis californica P. A. Munz 1922-6-30 5905 Riverside Santa Rosa Mountains, Santa Rosa Santa Rosa; Santa Rosa Mountains, Santa Rosa 1981 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
  JOTR31072  Anisocoma acaulis La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2335 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  RSA416701  Antennaria rosea Anstruther Davidson 1892-7-4 s.n. Riverside San Jacinto. Comment
  CHSC1687  Antirrhinum coulterianum Sonia R. Westerberg 1938-5-1 Riverside Banning. Comment
Read comments
Mar 13 2011
  POM29600  Antirrhinum coulterianum Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  SEINET7072827  Antirrhinum coulterianum 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
  JEPS5309  Antirrhinum filipes L. M. Newlon 1922-4-4 458 Riverside Palm Canyon Comment
  UCR154379  Antirrhinum nuttallianum A. C. Sanders, Mike Misenhelter 2005-6-15 30957 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  RSA0010949  Antirrhinum nuttallianum subsp. nuttallianum Scott D. White, Justin M. Wood 2008-4-16 11887 Riverside Perris/Elsinore Basin: Hills to the W of I-215 and S of Scott Rd. 488 Comment
  RSA523366  Antirrhinum nuttallianum subsp. nuttallianum G. H. True 1935-4-17 242 Riverside Mockingbird Canyon. 457 Comment
  RSA501074  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3192 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  RSA561016  Apiastrum angustifolium Steve Boyd, Timothy S. Ross 1992-5-4 7194 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA717461  Apiastrum angustifolium Scott D. White 2006-4-28 11317 Riverside Wildomar., east of the I-15 Freeway and north of Baxter Rd. South- and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills. 427 Comment
  RSA737117  Apium graveolens Justin M. Wood 2008-10-15 183 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  SDSU13502  Apium graveolens W. Miller with C. Mosse 1972-7-11 Riverside Temecula Canyon. Comment
  RSA335037  Apium graveolens Steve Boyd 1985-7-23 1011 Riverside De Luz Rd., 7 mi. west of Rancho California. 366 Comment
  SD178140  Apocynum cannabinum A. C. Sanders 2004-5-12 27883 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. In moist soil at edge of riparian zone. 377 Comment
  UCR12548  Aptenia cordifolia Eric Trubschenck 1972-5-8 2 Riverside NE corner of Park and 7th Streets, City of Riverside 272 Comment
  RSA66762  Arabis pulchra F. W. Peirson 1941-4-9 13077 Riverside Open desert among shrubs; Pinto Basin road at junction with road to Cottonwood Springs. Comment
  RSA0128631  Arabis repanda H. M. Hall 1897-06 299 Riverside San Jacinto Mtn. 1829 Comment
  POM354173  Arceuthobium campylopodum M. B. Dunkle 1933-7-21 3735 Riverside Idyllwild. 1616 Comment
  POM230609  Arceuthobium campylopodum I. W. Clokey, E. G. Anderson 1935-8-21 6574 Riverside Idelenulde-Banning Comment
  RSA608476  Arceuthobium cyanocarpum Louis C. Wheeler 1961-6-21 7899 Riverside San Jacinto Mountains: North side Tahquitz Peak. Comment
  RSA629398  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19527 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  CAS-BOT-BC23116  Arctostaphylos glandulosa subsp. glandulosa Frank W. Gould 1943-4-18 2134 Riverside On mountain slopes 8 miles east of Idlewild. Comment
  UCR44197  Arctostaphylos glandulosa subsp. glandulosa A. C. Sanders 1986-6-1 6565 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  POM254931  Arctostaphylos glandulosa subsp. zacaensis W. Pequegnat 1940-4-13 s.n. Riverside Bear Springs, Santa Ana Mts. 1311 Comment
  UC1073275  Arctostaphylos glandulosa subsp. zacaensis George B. Rossbach 1955-4-28 390 Riverside se Banning (Route 78, just s of n boundary of National Forest); San Bernardino National Forest, San Jacinto Mountains Comment
  RSA59195  Arctostaphylos glandulosa var. adamsii Frank W. Gould 1943-4-18 2134 Riverside 8 miles east [NW] of Idyllwild Comment
Read comments
Sep 29 2011
  RSA631718  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19263 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631720  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19306 Riverside Highway 79, 6 km west of Aguanga. 650 Comment
  RSA631760  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15079 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631831  Arctostaphylos glauca Jon E. Keeley 1992-6-12 15529 Riverside Road to Elsinore Peak, 1.5 km south of Highway 74. 850 Comment
  RSA633648  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20124 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633724  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16627 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA633752  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21787 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633764  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21772 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  LA42427  Arctostaphylos pringlei subsp. drupacea O. A. Plunkett; 1926-5-16 sn Riverside San Jacinto Mountains 1371 Comment
  SD229129  Arctostaphylos pringlei subsp. drupacea Dick Schwenkmeyer 2012-4-17 696 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  SD229130  Arctostaphylos pringlei subsp. drupacea Dick Schwenkmeyer 2012-4-18 705 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  RSA635773  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16580 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA635815  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16544 Riverside Red Mountain Road, 9.5-10.3 km east of R3. 1050 Comment
  UCR213896  Arctostaphylos pungens Scott D. White, Justin M. Wood 2009-5-22 12893 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  RSA635990  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19489 Riverside West of Temecula, off Calmara Rd., 1 km south of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 600 Comment
  RSA636013  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18804 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  RSA636179  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19474 Riverside West of Temecula, off Colman Rd., 0.8 km north of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 590 Comment
Read comments
Jun 8 2012
  SEINET9292943  Arctostaphylos viscida Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  UCR116786  Argemone munita A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24160 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  RSA434322  Argemone munita subsp. munita N. Cooper 1949-6-29 4289 Riverside East side of San Jacinto, dry roadside bank 1524 Comment
  SD73608  Argemone munita subsp. munita Helen V. Witham 1970-5-1 862 Riverside Bautista Canyon, southeast of Hemet. 800 Comment
  CAS-BOT-BC207127  Argythamnia lanceolata S. B. Parish 189 (year not completed on sheet) 4141 Riverside Palm Springs, Colorado Desert Comment
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Sep 11 2019
  CAS-BOT-BC207132  Argythamnia lanceolata Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-21 6425 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe 289 Comment
  CAS-BOT-BC137656  Aristida adscensionis Carl B. Wolf 1932-4-29 3092 Riverside Eastern Colorado Desert. West edge of Maria Mountains 17 miles from Blythe on Rice Road. 152 Comment
  CAS-BOT-BC137659  Aristida adscensionis Louis C. Wheeler 1931-11-26 373 Riverside Salton Bench Mark, Colorado Desert. -15 Comment
  JOTR30678  Aristida adscensionis La Doux, Tasha, Jim Andre 2008-9-13 273 Riverside Joshua Tree National Park. At the base of NW end of Belle Mountain at Pinto Wye Maintenance service area 1103 Comment
  OBI75985  Aristida adscensionis James M. Andre 2011-2-9 15906 Riverside Mecca Hills; along Box Cyn Rd at upper end of gorge, approx 6 mi SSE of jctn with I-10, approx 12 mi W of Chiraco Summit 284 Comment
  RSA784780  Aristida adscensionis Duncan S. Bell 2012-3-18 3184 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
  SEINET191852  Aristida adscensionis C. L. Hitchcock 1940-3-30 5878 Riverside Cottonwood Spring Comment
  UC665890  Aristida adscensionis Ira L. Wiggins 1941-3-27 9676 Riverside 8 mi ne Desert Center (s end of mts.); Coxcomb Mountains Comment
  UCD56395  Aristida adscensionis Ira L. Wiggins 1941-3-27 9676 Riverside south end of Coxcomb Mountains, 8 miles northeast of Desert Center. Comment
  UCR128944  Aristida adscensionis Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UCR211473  Aristida adscensionis Tasha La Doux, Jim Andre 2008-9-13 273 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, at base of Bell Mountain (NW end) at 'Pinto Y' maintenance service area 1104 Comment
  UCR92639  Aristida adscensionis George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  UC126632  Aristida californica var. californica H. M. Hall 1905-5-1 5963 Riverside canyons along Colorado River; Colorado Desert Comment
  RSA0029058  Aristida californica var. californica Jim Andre, Tasha La Doux 2006-4-11 6739 Riverside Pinto Basin: about 1 mi N. of Pinto Basin Rd (paved) growing in the Sand Hill area. 527 Comment
  UCSB37795  Aristida purpurea Roos, John 1965-9-26 Riverside Palm Springs 121 Comment
  UCR58440  Aristida purpurea var. nealleyi A. C. Sanders 1989-9-20 9513 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range: Tabaseca Tank, in the extreme northern end of the Chocolate Mountains 610 Comment
  SD129157  Aristida purpurea var. parishii A. C. Sanders 1989-9-19 9497 Riverside Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along wash above 'Tabeseca Target', wash on alluvial fan and rocky slopes above. Among rocks in bottom of a small canyon cut into hills. 680 Comment
  SEINET7596158 Image available Aristida purpurea var. parishii I. Johnston 1917-1 1008 Riverside Palm Canon 427 Comment
  RSA0121061  Aristida purpurea var. wrightii Duncan S. Bell, Thomas Stoughton 2016-3-16 8947 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  RSA613711  Artemisia annua G. R. Ballmer 1997-11-22 s.n. Riverside Riverside. Volunteer in yard at 8538 Hickory Lane. Comment
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Jul 14 2012
  HSC85327  Artemisia californica Steve Boyd 1985-12-24 1194 Riverside Gavilan Hills; Harford Springs County Park, south end of park Comment
  RSA596672  Artemisia californica Darin L. Banks, Lauren Raz 1996-11-5 1146 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  RSA784531  Artemisia californica J. D. Olmsted 1959-2-23 266 Riverside Drainage area NE to Santa Ana River: 1 mi SW of olive grove on Oak flat fire rd. 4 mi S of Corona on Lincoln and Chase Dr. to wash then south. 457 Comment
  UCR151126  Artemisia douglasiana Scott D. White 1998-10-9 7172 Riverside Peninsular Ranges/Santa Ana Mtns, Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction, and proposed for same 366 Comment
  UCR127046  Artemisia dracunculus Mitch Provance, Twoc Tran 1998-5-30 568 Riverside Jurupa Mountains, N end of 'Wilder's Canyon' (E fork of Pyrite Canyon), c. 0.25 miles SE of peak 1538. 351 Comment
  UCR21159  Artemisia dracunculus Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  UCR245797  Artemisia dracunculus A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40958 Riverside Peninsular Range, Wilson Valley Preserve, 0.12 mi. S of Wilson Valley Rd., 1.1 mi. east of Sage Rd., 1.65 mi. east (87 deg. ) of Round Top Mtn. 770 Comment
  RSA774721  Artemisia ludoviciana subsp. albula Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4454 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
  UCR138556  Artemisia tridentata Steve Boyd, D. E. Bramlet 1988-10-8 2877 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  SEINET228572  Artemisia tridentata subsp. tridentata Walter Wisura 1982-5-25 Riverside San Jacinto Mountains, pacific Crest Trail, south of Kenworthy 1372 Comment
  UCR91900  Asclepias californica A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18122 Riverside San Bernardino Mtns, Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats 1100 Comment
  UCR14773  Asclepias eriocarpa A. C. Sanders, O. F. Clarke, Dan Vossler 1975-7-23 604 Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa west of Murrieta, along Tenaja Rd. about 2 mi west of the eastern escarpment of the Santa Rosa Plateau. Probably collected very near Bench Mark 1847 ft. shown on the topo map 579 Comment
  POM3352  Asclepias erosa H. M. Hall 1901-06 2111 Riverside Eastern base of the San Jacinto Mountains, along the border of the Colorado Desert. Comment
  RSA401228  Asclepias erosa N. C. Cooper 1944-5-20 2641 Riverside Palm Springs. 137 Comment
  UCR4503  Asclepias erosa John Dean 1965-7-28 s.n. Riverside Sonoran (Colorado) Desert, 15 mi. west of Blythe on U.S. Hwy 60 274 Comment
  SD122939  Asclepias fascicularis Steve Boyd 1985-8-7 1102 Riverside Santa Rosa Plateau, Northwest base of Redonda Mesa on Tenaja Road, 0.8 miles east of junction with 8SO1 and 8SO2 Comment
  SEINET13276755 Image available Asparagus officinalis Mitch Provance 2012-1 196 -08 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave (Riverside 7.5' Q.) 226 Comment
  RSA653655  Aster subulatus A. C. Sanders, Mitch Provance 1999-9-26 23126 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  JOTR34269  Astragalus acutirostris La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3285 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Lower ridges at base of Quail Mountain; within old burn area between Lost Horse Valley and Juniper Flats (Stop 2) Comment
  POM9367  Astragalus aridus Mary F. Spencer 1920-3-14 1483 Riverside Desert sand, Colorado Desert. -60 Comment
  UC862882  Astragalus crotalariae Alice Eastwood 1919-3-15 7991 Riverside Indio Comment
  UC13340  Astragalus didymocarpus Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  CAS-BOT-BC182586  Astragalus didymocarpus var. dispermus Geo. B. Grant 1906-4-20 6711 Riverside Palm Springs Comment
  CAS-BOT-BC182589  Astragalus didymocarpus var. dispermus Geo. B. Grant 1906-4-20 563 -6711 Riverside Palm Springs Comment
  UC68629  Astragalus didymocarpus var. dispermus H. M. Hall Apr., 1905 5940 Riverside McCoy Wash , McCoy Wash (Colorado Desert) 91 Comment
  CAS-BOT-BC182635  Astragalus didymocarpus var. obispoensis L. R. Abrams 1935-4-7 13664 Riverside Gavilan Hills, 2 mi. SW. of Perris Comment
  SBBG93268  Astragalus douglasii D. G. Nelson 1936-5-21 380 Riverside slopes just N of meadow in valley just E of Hurkey Crk Camp area, E of Lake Hemet and N of Mt Thomas Comment
  RSA594759  Astragalus douglasii var. parishii D. L. Banks, Dylan Hannon 1996-5-3 1001 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR208902  Astragalus douglasii var. parishii I. M. Johnston 1917-4-4 1005 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Andreas Canyon 274 Comment
  UCR174318  Astragalus gambelianus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32554 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
  UCR78442  Astragalus gambelianus Scott D. White 1993-4-22 1236 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  CAS-BOT-BC186899  Astragalus insularis var. harwoodii Edmund C. Jaeger 1939-3-31 s.n. Riverside Boulder Well, north east of Desert Center 274 Comment
  RSA254139  Astragalus insularis var. harwoodii Noel Holmgren, Patricia K. Homgren, Ruth E. Kern 1973-3-22 6454 Riverside Rice Valley 7 miles south southwest of Rice. 274 Comment
  SD211454  Astragalus insularis var. harwoodii Carolyn Martus, Joseph Betzler, Caesara Brungraber, Lance Woolley 2008-4-15 1213 Riverside 30 miles west of Blythe near Palen Dry Lake. From I-10 exit Corn Springs Road north for about 8 miles. There are few plants (less than ten on this outing) south of Palen Dry Lake. Comment
  UCR134639  Astragalus insularis var. harwoodii Nancy K. Cione 2004-5-2 s.n. Riverside Chuckwalla Valley, S of Eagle Mtns, NE of Hayfield Dry Lake, near Red Cloud Road 415 Comment
  VVC2470  Astragalus insularis var. harwoodii Tim Thomas 2013-3-18 5930 Riverside Sonoran Desert, 12 miles WSW of Blythe; south of I-10. vic of powerline corridor. 145 Comment
  SBBG118866  Astragalus lentiginosus J. Snapp-Cook with K. Roblek, K. Clark, A. Chavez 2005-6-30 CFW 010 Riverside Rancho Mirage, ca. 0.5 mi WNW of jct of Ramon Rd and Los Alamos Way; area referred to as "Big Dune" 91 Comment
  RSA0094792  Astragalus lentiginosus var. coachellae Duncan S. Bell, Andrew Chambers, Jacob B. Landis, Evan Meyer, Billy Sale 2015-4-2 7933 Riverside San Gorgonio Pass area, between Cabazon and Whitewater, about a 1/2 mile south of Interstate 10, just to the east of a section of the wind farm. 416 Comment
  RSA631065  Astragalus nuttallianus var. imperfectus L. C. Wheeler 1953-3-31 7039 Riverside Near Mountaineer Mine. Comment
  SD87621  Astragalus nuttallianus var. imperfectus Frank W. Peirson 1922-4-9 584 Riverside Murray Canyon, near Palm Springs. Comment
  RSA594766  Astragalus pachypus var. jaegeri D. L. Banks, Dylan Hannon 1996-5-3 1000 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  CHSC835  Astragalus palmeri V. Holt 1942-3-28 Riverside Santa Rosa mountains. 609 Comment
  SEINET2043598 Image available Astragalus palmeri George K. Helmkamp, E. A. Helmkamp 1998-4-24 3379 Riverside Santa Rosa Mountains: Pinyon Pines along CA-74 between the San Jacinto & Santa Rosa Mountains. 1296 Comment
  CSUSB1293  Astragalus pomonensis Markell Kohn 1959-4-1 Riverside 2 miles south of UCR (University of California, Riverside) in wash. 150 yards east of Canyon Crest Drive (dirt road). 20 yards north of plinking (target practice) area. Comment
  RSA498264  Astragalus pomonensis B. C. Templeton 1931-4-23 19212 Riverside Between Perris and Gavilan Peak. Comment
  UCD170755  Astragalus pomonensis John F. Green 2005-3-7 s.n. Riverside Peninsular Range, Wildomar, west of Grand Ave off Sweet Nectar Rd. 415 Comment
  SBBG3248  Astragalus sabulonum H. and M. Dearing 1938-3-5 1977 Riverside between Blythe and Desert Center Comment
  RSA0121450  Astragalus tricarinatus Duncan S. Bell, LeRoy Gross 2016-3-30 9129 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.5 air miles southeast of the summit of Martinez Mountain. 581 Comment
  HSC79100  Athysanus pusillus James Henrickson 1973-3-18 8593 Riverside 16 (air) mi. E of Temecula, 2.9 mi. E of Aguanga along Hwy. 71 823 Comment
  RSA66528  Athysanus pusillus F. W. Peirson 1921-3-22 2833 Riverside Murray Canyon near Palm Springs. 457 Comment
  JOTR31971  Atrichoseris platyphylla La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2208 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  RSA774923  Atrichoseris platyphylla Duncan S. Bell 2011-4-7 2169 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
  UC1287097  Atrichoseris platyphylla C. L. Hitchcock 1966-3-20 24315 Riverside 5 miles north of Milpitas Wash (and 12 miles NW of Blythe-Glamis Road) Comment
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Mar 2 2013
  UC1417534  Atrichoseris platyphylla J. L. Strother 1973-3-23 1155 Riverside route 195 east of Mecca Comment
  CAS-BOT-BC170585  Atriplex J. C. Roos 1965-10-17 s.n. Riverside 20 miles west of Blythe on the roadside. Comment
  RSA714022  Atriplex argentea subsp. expansa R. E. Riefner 2004-8-27 4 -396 Riverside N of La Sierra Heights; NE ca. 0.25 mi off Arlington Ave. along dirt acess road to Hidden Valley Wildlife Reserve. 221 Comment
  RSA737102  Atriplex argentea subsp. expansa Justin M. Wood 2008-10-29 205 Riverside Murrieta Creek- 2 miles SE of Murrieta, open field N of Winchester Rd and between the creek and Jefferson Ave. 314 Comment
  CLARK-A1528-1189  Atriplex canescens John C. Roos 1946-9-2 2987 Riverside Moreno Valley Comment
  POM278684  Atriplex canescens Grant D. Brown 1950-3-29 522 Riverside 5 miles NW of Aguanga on Hyway #79. 548 Comment
  RSA296151  Atriplex canescens subsp. canescens B. A. Prigge 1980-8-25 4009 Riverside San Gorgornio Pass: 1 mi. SE of Fingal siding, S Pacific RR. 427 Comment
  UCR17336  Atriplex canescens subsp. linearis N. R. Zabriskie, W. W. Zabriskie 1970-10-31 324 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon Club property, Palm Canyon watershed, east slope San Jacinto Mtns. 168 Comment
  CAS-BOT-BC27906  Atriplex canescens var. laciniata Samuel Bonsal Parish 1912-10-11 8256 Riverside Caleb. Salton Basin. -60 Comment
  SEINET4135185  Atriplex lentiformis Grant D. Brown 1949-12-15 480 Riverside Salton Sea basin Drainage Area. Mecca, CA.; 0 Comment
  UCR98499  Atriplex parishii C. Reiser 1996-5-9 s.n. Riverside Winchester; north of Haddock, west of Farnsworth Road; also south of Simpson Road; near Adams Comment
  RSA778127  Atriplex polycarpa Thomas Stoughton, E. Gardner, D. Bell 2010-11-12 714 Riverside Coachella Valley Preserve. Site #3. Ca 0.25 mile E of road. 305 Comment
  UCD97797  Atriplex serenana K. Esau 1935-6-15 s.n. Riverside Riverside. Comment
  RSA676064  Atriplex suberecta Scott D. White 2001-6-19 8593 Riverside Sun City: Quail Valley east of Canyon Lake and west of Goetz Road. 442 Comment
  UCR205964  Atriplex suberecta Scott D. White 2001-7-9 8722 Riverside Perris-Aguanga Basin, Menifee, c. 1 mile southwest of Bell Mountain and 0.5 mile east of I-215 Fwy 457 Comment
  SBBG72745  Ayenia compacta M. D. Clary 1931-4-4 1282 Riverside Coral Reef Cyn 15 Comment
  UCR99570  Azolla filiculoides Julie A. Greene, Steve Boyd, D. Bramlet, H. Flores, H. Ochoterana 1993-7-9 1418 Riverside San Jacinto Valley, San Jacinto Wildlife Area [northwest of Lakeview] 433 Comment
  UCR82840  Baccharis brachyphylla A. C. Sanders, P. J. MacKay 1994-10-23 15849 Riverside San Bernardino Mtns/Colorado Desert, Whitewater River Canyon, between the trout hatchery and Bonnie Bell 671 Comment
  RSA342544  Baccharis emoryi R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54086 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  RSA376137  Baccharis pilularis R. F. Thorne 1985-7-18 61282 Riverside De Luz; Arroya near Murrieta-Guava St. roads, a few miles S of Murrieta 385 Comment
  RSA180328  Baccharis salicifolia E. W. Lathrop 1965-3-30 5604 Riverside 14 miles W of Murrieta. Comment
  RSA5523  Baccharis salicifolia C. B. Wolf 1932-10-11 4274 Riverside Morongo Wash, 3/10 mile below the San Bernardino County line. 671 Comment
  UC472157  Baccharis salicina J. Ewan 1931-10-3 5216 Riverside 4 mi nw of Corona; Santa Ana River Comment
  UCR103740  Baccharis salicina A. C. Sanders 1997-11-20 21619 Riverside Lake Skinner Reserve area, mouth of Rawson Canyon, just NE of Lake Skinner. 457 Comment
  RSA592691  Baccharis sergiloides Scott D. White, D. Haselfeld 1996-7-2 4274 b 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
  RSA772065  Baccharis sergiloides Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4457 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
  RSA799072  Baccharis sergiloides Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6868 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  UCR245801  Baccharis sergiloides A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40963 Riverside Peninsular Range, Wilson Valley Preserve, 0.12 mi. S of Wilson Valley Rd., 1.1 mi. east of Sage Rd., 1.65 mi. east (87 deg. ) of Round Top Mtn. 770 Comment
  SD258859  Bahiopsis parishii Sarah J. De Groot, Grace Cho 2016-4-4 7769 Riverside Santa Rosa Mountains, SW of palm Desert, N of Alpine Village and Highway 74; Along Dunn Road between Haystack and Asbestos Mountains 1232 Comment
  CHSC46064  Baileya multiradiata Troy Griffiths 1988-4-1 100 Riverside Vic. of Living Desert Reserve, ca. 3 mi SE of Palm Desert. 60 Comment
  RSA741015  Barbarea orthoceras Scott D. White, Justin M. Wood 2008-6-18 12232 Riverside K Flat Meadow. 1433 Comment
  SD152906  Barbarea orthoceras Steve Boyd, Orlando Mistretta 1992-4-23 7059 Riverside So. Santa Ana Mtns, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. Surrounding slopes burned in 1989 fire. Local in moist sand along stream. 244 Comment
  SBBG60788  Bebbia juncea M. N. Ackley 1928-3-31 234 Riverside Hidden Spring Cyn 182 Comment
  UCR251338  Bebbia juncea S. J. Myers 2014-5-21 1057 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  UCR92620  Bebbia juncea Scott D. White 1995-8-23 3568 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  SEINET10616176  Bebbia juncea David B. Dunn, Howard Brown 1947-1-12 Dunn 2837 Riverside Pushawalla Canyon, Indio Hills. In dry wash. Comment
  CAS-BOT-BC100111  Bebbia juncea var. aspera John Thomas Howell 1928-1-29 3296 Riverside floor of Painted [Canon] Canyon, Colorado Desert Comment
  RSA778424  Bebbia juncea var. aspera Stephanie Rockwood, Christi Gabriel 2011-10-12 089 Riverside Sheephole Valley Wilderness, parallel Cadiz Valley. Unnamed road off highway 62. 242 Comment
  SD181715  Bebbia juncea var. aspera Scott D. White 2000-10-24 8141 Riverside Gibbel Flat in the Santa Rosa Hills. 609 Comment
  UCR256796  Bebbia juncea var. aspera T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7870 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  SEINET6426071 Image available Bergia texana John C. Rood 1952-1 5730 Riverside San Jacinto River bottomland 1 mile southeast of Perris 427 Comment
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Aug 29 2016
  RSA0028734  Bergia texana R. E. Riefner 1998-6-9 98 -341 Riverside Warner Springs; Hwy. 79 Comment
  RSA0028736  Bergia texana R. E. Riefner 1998-7-9 98 -280 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  UCR25174  Bernardia myricifolia John C. Roos 1950-12-2 5027 Riverside Sonoran (Colorado) Desert, Eagle Mountains, Munsen ['Monson'] Canyon 1067 Comment
  SD134536  Bidens laevis Craig Reiser 1991-9-17 Riverside Near Norco, in slough of Santa Ana River Comment
  UC30574  Bidens laevis E. L. Koethen 1897-10-16 Riverside Riverside Comment
  CSUSB942  Bloomeria crocea R. D. Keys 1973-5-13 Riverside Box Springs Mountains Pigeon Pass Road, 1 mile above Riverside dump, 100 feet south of road along spring, in the Box Springs Mountains. 304 Comment
  RSA736708  Bloomeria crocea Scott D. White 2004-4-26 10240 Riverside Soboba Indian Reservation, Indian Creek Watershed 518 Comment
  RSA752779  Bloomeria crocea Scott D. White, Justin M. Wood 2009-5-21 12843 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 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
  RSA180309  Bloomeria crocea var. crocea E. W. Lathrop 1965-5-30 5786 Riverside 6 miles W of Murrieta. Comment
  RSA482755  Boechera M. B. Dunkle 1937-3-25 4952 Riverside Dry Morongo. Comment
  UC1979645  Boechera californica Steve Boyd, D. L. Banks 1995-3-30 8405 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain on the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. Comment
  RSA793474  Boerhavia coulteri Duncan S. Bell, Aaron Sedgwick 2012-9-13 4209 B Riverside The Mecca Hills; approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  RSA339616  Boerhavia intermedia Robert F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-23 53604 Riverside Pinto Basin Road: Along road, 4.5 mi S of meeting area of Mojave and Colorado Deserts 1098 Comment
  UCR280423  Boerhavia triquetra var. intermedia Onkar Singh 2015-11-9 5606 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 5 km east of Eagle Mountain Mine 284 Comment
  CAS-BOT-BC226241  Bouteloua barbata A. C. Sanders 2011-9-15 39892 Riverside Sonoran (Colorado) Desert: Coachella Valley, agricultural area in Thermal; Colorama greenhouses; nursery at 83300 Ave. 58, 0.35 mi. east of Jackson St. near Calhoun St. -24 Comment
  RSA778395  Bouteloua barbata Amber Swanson, Linda Jean Foster 2011-10-8 640 Riverside Large wash off Blythe Rice Rd 270 Comment
  RSA0027475  Bouteloua barbata var. barbata Deidre Conocchioli, Sarah J. De Groot 2013-9-18 49 Riverside Valley north of Chocolate Mountain range. From Desert Center: Take I -10 West for 9.2 miles. Take exit marked Red Cloud Road. Turn left to cross under the interstate, continue over metal grate onto an unmarked, unpaved power line road for 0.2 miles., Continue over metal grate onto an unmarked, unpaved power line road for 0.2 miles. The collecting site is along the portion of the road that runs nearly parallel with an old raised railroad for a short distance before diverging. Collecting done on both sides of road. 442 Comment
  JOTR16777  Bouteloua curtipendula Hogan, J. 1974-6-13 19 Riverside Joshua Tree National Park. QUEEN VALLEY, 1.9 MILES SOUTH OF PINE SPRING 1356 Comment
  UCR23973  Bouteloua curtipendula John C. Roos 1946-8-27 2786 Riverside Santa Rosa Mountains, Pines to Palms Road[Vandeventer Flats], near Pinyon Flats 1372 Comment
  CAS-BOT-BC145639  Bouteloua curtipendula var. caespitosa John C. Roos 1946-8-27 2786 Riverside Near Pinon Flats, Santa Rosa Mountains. 1371 Comment
  CAS-BOT-BC145636  Bouteloua curtipendula var. curtipendula Peter H. Raven 1958-5-18 12987 Riverside SanJacinto Mountains. Pinon Flats. Comment
  SD185110  Bowlesia incana A. C. Sanders 2005-4-21 29573 Riverside Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 miles easoutheast of Gavilan Peak. 622 Comment
  UCR49787  Bowlesia incana D. C. Hawks, G. Bruyea 1987-4-3 s.n. Riverside Peninsular Range, Gaylord property, NW of Aguanga 550 Comment
  CLARK-A1528-2786  Brandegea bigelovii John C. Roos 1967-11-18 Riverside Comment
  PASA1871  Brandegea bigelovii 1928-3-3 Riverside Hidden Springs Canon Col. Desert Comment
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Aug 27 2016
  RSA550357  Brandegea bigelovii W. Wisura 1992-3-24 4631 Riverside 13.1 mi NE of Mecca on Box Canyon Rd. seed voucher Comment
  UCR130116  Brandegea bigelovii Scott D. White 2001-4-3 8236 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  RSA34565  Brassica juncea N. C. Cooper 1944-6-17 1387 Riverside San Jacinto Mtns. West side. 1372 Comment
  RSA0064520  Brassica nigra Bruce Albert 1982-4-17 31 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  RSA613325  Brassica rapa D. L. Banks 1997-3-1 1389 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  RSA0043365  Brassica tournefortii Marc A. Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17706 Riverside Palo Verde Mesa, 14 km SW of Blythe, 6 km ENE of north end of the Mule Mountains. 118 Comment
  UC2015553  Brassica tournefortii A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 15997 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  UC1523404  Brickellia atractyloides Robert F. Thorne, W. A. Tilforth, L. Schultz, R. K. Benjamin and J. Hogge 1980-4-16 54075 Riverside 3.2 mi n, w of Whitewater Canyon Hwy 10 and Whitewater P. O.; San Bernardino Mts. 609 Comment
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Jan 14 2010
  CAS-BOT-BC106335  Brickellia atractyloides var. arguta W. L. Jepson 1928-4-24 s.n. Riverside On the rocky walls of canyon below spring, Cottonwood Spring 2407 Comment
  CAS-BOT-BC106342  Brickellia atractyloides var. arguta H. M. Hall 1905-5-1 6016 Riverside Cottonwood Springs - Colorado Desert 670 Comment
  JOTR29148  Brickellia californica La Doux, Tasha, Mike Bell 2003-10-17 1123 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
  JOTR36390  Brickellia desertorum La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3343 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 300 m from fork in road, up mouth of canyon Comment
  UC894157  Brickellia desertorum Carl B. Wolf 1932-10-12 Riverside Pinyon Well, Little San Bernardino Mts., Colorado Desert Colorado Desert, Little San Bernardino Mts., Pinyon Well 1219 Comment
  UCR41321  Brickellia desertorum N. M. Fellows 1984-11-12 36 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn. 489 Comment
  UCR264241  Brickellia incana A. C. Sanders, Jim Malusa 2015-9-10 41848 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  RSA444677  Brickellia nevinii J. C. Roos 1965-9-12 s.n. Riverside Tin Mine Canyon, 3 mi. SW of Corona. 549 Comment
  UCR196006  Brodiaea filifolia R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 52007 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  RSA740623  Brodiaea terrestris subsp. kernensis Scott D. White, Justin M. Wood 2008-7-8 12377 Riverside Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  UCR61251  Bromus carinatus A. C. Sanders 1989-4-30 9068 Riverside Riverside, residential garden, 422 Campus View Drive 366 Comment
  CSUSB424  Bromus catharticus Kheng Try Seng 1966-4-24 660424 2 Riverside University of California, Riverside (UCR) campus 274 Comment
  UCR90825  Bromus diandrus A. C. Sanders, G. K. Helmkamp 1996-3-17 17988 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, mouth of Palm Canyon, c. 0.5 km east of Palm Canyon Dr. on Bogert trail 163 Comment
  RSA127000  Bromus grandis H. S. Yates 1936-8-29 6383 Riverside Fuller Creek [Poss. Fuller Mill Creek now?] 1677 Comment
  RSA577515  Bromus grandis D. L. Banks, Steve Boyd 1995-2-16 44 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, E of the Woodchuck Trail. 728 Comment
  UCR108873  Bromus hordeaceus Heidi A. Haid 1968-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  CAS-BOT-BC162384  Bromus lanatipes H. M. Hall 1901-6-1 2228 Riverside San Jacinto Mountains. South side. 1615 Comment
  HSC101173  Bromus madritensis subsp. rubens Jim Andre 2012-3-19 21395 Riverside Palen Mountains; along Palen Pass Rd. at Pallen Pass. 383 Comment
  SEINET3922879  Bromus madritensis subsp. rubens A. C. Sanders 2005-4-21 29571 Riverside Peninsular Range: Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak (Steele Peak 7.5' Q.).; 0 622 Comment
  VVC553  Bromus madritensis subsp. rubens A. C. Sanders, J. Mac 1997-5-4 20639 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
  CLARK-A1528-4553  Bromus rubens John C. Roos 1952-4-2 5465 Riverside Box Springs 426 Comment
  RSA524447  Bromus rubens Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4083 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
  UCR138824  Bromus rubens D. L. Banks 1997-2-23 1299 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, south of Pechanga Rd. in the Reservation, north of Pechanga Creek and east of the Pechanga Tribal Government Center 367 Comment
  UCR234328  Bromus rubens A. C. Sanders, John F. Green 2012-4-6 40008 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, major culvert/wash crossing along Temescal Cyn. Rd., near Campbell Ranch Rd. and I-15 Fwy, c. 10 miles south of Corona 323 Comment
  POM46957  Bromus rubens Mary F. Spencer 1918-1 828 Riverside Palm Springs. 137 Comment
  JOTR37492  Bromus tectorum Hodges, Stephen R. 2016-4-6 621 Riverside Joshua Tree National Park. Quail Mountain Complex, In winding wash ascending towards Quail Mountain and Minerva Hoyt peak from Johnny Lang Canyon Comment
  RSA716385  Bromus tectorum Scott D. White, Angelia Carey 2004-4-5 9995 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  SD254501  Bromus tectorum Steve Boyd, Carol Boyd 2011-3-29 12305 Riverside Transverse Ranges; San BernardinoMountains region: Southeast end of range in south branch of Mission Banyon, just upstream from confluence with north branch. 762 Comment
  UCR228741  Bromus tectorum A. C. Sanders, Nathan Moorhatch 2011-3-22 38799 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. between Palomar Rd. and San Jacinto Rd. 442 Comment
  UCD59765  Bromus tectorum var. nudus R. N. Raynor 1938-6-20 s.n. Riverside Palms to Pines Highway, between Idyllwild and Herky Creek. Comment
  UCR20531  Bromus trinii John C. Roos, L. Roos 1953-3-21 5909 Riverside Sonoran (Colorado) Desert, Mouth of Andreas Canyon south of Palm Springs 274 Comment
  UCR214014  Bromus trinii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37794 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  JEPS9627  Bursera microphylla Marjorie Clary 1939-3-2 Riverside 17 mi sw Coachella; Santa Rosa Mountains, Martinez Canyon Comment
  UCR199557  Caesalpinia gilliesii Scott D. White, Angelia Carey 2004-7-2 10577 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR69796  Caesalpinia gilliesii A. C. Sanders, Chet McGaugh 1991-7-19 11144 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  RSA676052  Caesalpinia virgata Scott D. White 2001-4-3 8260 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UC667278  Caesalpinia virgata Annie M. Alexander and Louise Kellogg 1941-5-17 2192 Riverside near Dos Palmas; Colorado Desert Comment
  UC864232  Caesalpinia virgata Alice Eastwood 1913-4-30 3072 Riverside Palm Springs Comment
  UCR85155  Caesalpinia virgata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16091 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  CAS-BOT-BC438493  Calandrinia ciliata John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just S of Los Alamos Rd. (Clinton Keith Rd.), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley. Comment
  RSA0105077  Calandrinia ciliata Daphne K. Christopher, Hannah Stevens 2003-4-6 107 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  RSA561786  Calandrinia ciliata Steve Boyd 1992-4-14 6842 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
  UCR171725  Calandrinia ciliata 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
  UCR266591  Callitriche marginata Mitch Provance, Robin Kinmont 2015-3-27 315- 52 Riverside Perris-Aguanga Basin Region, French Valley, Leon Rd. (unmarked dirt portion), along SCE transmission route between Benton Rd. and Auld Rd. 411 Comment
  UCR154627  Calochortus A. C. Sanders, Mike Misenhelter 2005-6-15 30994 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  CSUSB1198  Calochortus catalinae Leland R. Dykes 1962-4-22 35 Riverside Corona-Lake Matthews Road, 1 mile west of Lake Matthews. Comment
  RSA377346  Calochortus concolor N. C. Cooper 1944-7-16 1386 Riverside San Jacinto Mountains. West side. 1220 Comment
  JEPS17820  Calochortus flexuosus P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4838 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 670 Comment
  POM12709  Calochortus invenustus Philip A. Munz 1922-6-27 5856 Riverside Santa Rosa Mountains: Santa Rosa. 2012 Comment
  CAS-BOT-BC32342  Calochortus palmeri var. munzii Philip Alexander Munz; Percy C. Everett 1950-6-23 14915 Riverside 2 mi. NW of Pipe Creek, S end of San Jacinto Mts. 1402 Comment
  UCR189802  Calochortus plummerae Amy Rowland 2007-6-19 078 Riverside Peninsular Range, San Jacinto Mountains Region, San Jacinto Moutnains, off of Hwy 74 c. 1.75 mi west of intersection of Hwy 74 and Hwy 243 1239 Comment
  POM12999  Calochortus splendens Philip A. Munz, I. M. Johnston 1922-5-19 5411 Riverside Mouth of San Jacinto Canyon. 457 Comment
  RSA377457  Calochortus splendens W. P. Burger 1979-4-29 s.n. Riverside Hidden Valley Hang Gliding Site. Near Lake Elsinore. 610 Comment
  RSA487424  Calochortus splendens Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  UCR62662  Calochortus weedii var. intermedius Gary Bell 1990-6-27 s.n. Riverside hills c. 0.75 mi west of Crown Valley, NW of Rawson Canyon 762 Comment
  RSA0078688  Calycoseris parryi Jim M. Andre 2015-3-2 31352 Riverside Along Kolbe Rd (dirt), northwest end of Coachella Valley at foot of Little SnBr Mtns, 0.2 mi. west of intersection between Hwy 62 and Indian Avenue (road to Desert Hot Springs), 2.3 mi. south of San Bernardino county line. 528 Comment
  CAS-BOT-BC282921  Calycoseris wrightii Carl B. Wolf 1932-4-29 3107 Riverside E Colorado Desert. Blythe - Rice Rd. 9 miles S of Browns Well 243 Comment
  UCR148456  Calycoseris wrightii 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
  UCR74397  Calycoseris wrightii Theo Glenn 1991-5-1 91- 51 Riverside Sonoran (Colorado) Desert, McCoy Mts, NW of Blythe 240 Comment
  SEINET7063460  Calyptridium monandrum A. G. Vestal 1947-3-30 s.n. Riverside San Jacinto Valley. UTM Zone 11, 497479mE, 3743001mN. (WGS84/NAD83). 442 Comment
  UCR35073  Calyptridium monandrum L. B. Ziegler 1969-5-27 365 Riverside San Jacinto Mtns., Cahuilla Indian Reservation 1113 Comment
  UC729873  Calyptridium monospermum Carl B. Wolf 1932-8-5 3983 A Riverside San Jacinto Peak, summit San Jacinto Peak; San Jacinto Mountains, San Jacinto Peak 3293 Comment
  UCR100437  Calystegia macrostegia B. G. Pitzer 1997-4-20 3200 Riverside Lakeview Mtns, Pulsar View Road, c. 1/2 mi. up from the base of the hills (at end of Warren St.) c. 1 mi. (air) north of Juniper Flats (Contour) Rd. 549 Comment
  UCR226051  Calystegia macrostegia A. C. Sanders, T. B. Salvato 2011-4-1 38956 Riverside Peninsular Range, Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74 404 Comment
  UCR113900  Calystegia macrostegia subsp. arida Mitch Provance 1998-4-13 432 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal. 250 Comment
  UCR232020  Calystegia macrostegia subsp. arida John F. Green 2008-4-24 10- 03 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, vicinity of Eugene St. 506 Comment
  SDSU12264  Calystegia macrostegia subsp. intermedia Jeremy Mass, Ryan Jacobsen 2000-4-19 10 Riverside Stone Creek streambed in shrub-covered area near water. Near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 222 Comment
  CAS-BOT-BC199284  Calystegia sepium subsp. limnophila Emily Smith September 1921 s.n. 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
  RSA793015  Camissonia Justin M. Wood 2011-4-4 3400 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  UCR171909  Camissonia bistorta John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  UCR231757  Camissonia bistorta John F. Green 2008-4-23 09- 01 Riverside Peninsular Range; SE Gavilan Hills, powerline route in hills SE of Perris, east of Hwy 74 and north and NE of Eugene St., both sides of Theda St. 503 Comment
  UCR167453  Camissonia boothii 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
  RSA144821  Camissonia boothii subsp. condensata E. G. Linsley, J. W. MacSwain 1960-3-2 60 -4 Riverside Colorado Desert. 20 miles east of Desert Center. Comment
  RSA264582  Camissonia boothii subsp. condensata C. W. Tilforth, J. Dourley, Walter Wisura 1977-5-19 1327 Riverside Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road [Midland Rd]. 267 Comment
  CLARK-A1528-3321  Camissonia brevipes John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  JOTR31227  Camissonia brevipes subsp. brevipes La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2011 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 4) basalt rocky slopes above Pinto Wash, sparsely vegetated 377 Comment
  JOTR31773  Camissonia brevipes subsp. brevipes Andre, Jim, Tasha La Doux 2009-3-10 11242 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  RSA144625  Camissonia californica William M. Klein, H. Latimer, A. Griffiths 1958-5-16 266 Riverside 4 miles E of Redlands along Highway 70-99, coastal sage scrub Comment
  RSA515334  Camissonia californica Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, Cole Canyon, NW of Mesa de Burro, at head of canyon. 610 Comment
  UCR107384  Camissonia californica B. G. Pitzer 1997-3-23 2960 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
  RSA454733  Camissonia cardiophylla Anstruther Davidson 1903-05 s.n. Riverside Martinez Canon, Thermal. Comment
  RSA149769  Camissonia claviformis subsp. aurantiaca Jane Turner, F. M. Ball 1962-3-24 803 Riverside U.S. Hwy 70 at Whitewater. E. 366 Comment
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Oct 1 2011
  UCR42445  Camissonia confusa D. C. Hawks 1986-4-16 s.n. Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, Alta Mesa wind turbine field, on the ridge above Whitewater Canyon, west of Bonnie Bell 915 Comment
  RSA715073  Camissonia hirtella A. C. Sanders 2005-4-22 29614 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  UCR251998  Camissonia hirtella A. C. Sanders, T. B. Salvato 2014-7-2 41159 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCR220121  Camissonia ignota D. E. Bramlet 1989-4-7 1818 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, southeast slope of Bachelor Mountain, c. 3200 ft. NW of Rawson Canyon & 8300 ft. east of Lake Skinner dam 476 Comment
  UCR269212  Camissonia pallida subsp. pallida Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-5-16 1253 Riverside San Bernardino Mtns., Haugen-Lehmann Way off I-10, Pacific Crest Trail (PCT) in canyon directly west of Whitewater 675 Comment
  JOTR01133  Camissonia pallida subsp. pallida Cole, James E. 1941-6-17 923 Riverside Joshua Tree National Park. IN LIVE OAK TANK 1219 Comment
  RSA449047  Camissonia refracta E. C. Jaeger 1922-3-26 s.n. Riverside Box Canon near Mecca, Cal. Colorado Desert. Comment
  UCR226769  Camissonia refracta Jim Andre 2011-2-9 15896 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
  RSA454105  Camissonia strigulosa N. C. Cooper 1945-5-24 1644 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UCR167078  Camissonia strigulosa Scott D. White 2005-3-29 10849 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
  JEPS7498  Camissoniopsis bistorta Rimo Bacigalupi with J. F. MacBride and Ruth D. Sanderson 1952-3-30 3553 Riverside on w-facing hillslopes between Wildomar and Murrieta (2.6 mi n of Murrieta, along combined State Hwy 71 and US 395, sw Riverside Co.) Comment
  UC284257  Camissoniopsis hirtella P. A. Munz 1923-6-14 7064 Riverside Glen Ivy Trail to Santiago Peak; Santa Ana Mts. 1219 Comment
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Apr 1 2013
  UCR158639  Cardamine californica S. J. Myers 1993-1-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, SW of Mesa de Colorado, Carancho Rd. at Tortuga Rd. 396 Comment
  UCR88232  Cardamine debilis A. C. Sanders 1994-11-8 15865 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Desert. Weeds in lawns & flower beds along a commercial strip on Hwy 111 between Hwy 74 & Sage Lane 46 Comment
  OBI74759  Carduus pycnocephalus Scott D. White 2006-5-19 11478 Riverside Perris Basin/San Jacinto Mtn Foothills: HemetT5S, R1W S26 610 Comment
  IRVC9260  Carex kelloggii S. Freeman 1966-4-30 s.n. Riverside On Fuller Mill Creek; 1 mi. upstream from Banning-Idylleild road. Peninsular Ranges, San Jacinto Mountains 1829 Comment
  POM14392  Carex nebrascensis Phillip A. Munz 1922-9-6 6397 Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  RSA364643  Carex phaeocephala George R. Johnstone 1928-10-3 s.n. Riverside San Jacinto Mountain. Summit. 3293 Comment
  UCR256091  Carex sartwelliana LeRoy Gross, Caitlin Elam 2013-5-21 6105 Riverside Peninsular Range; San Jacinto Mtns., west edge of Pine Cove, between Pine Cove and Red Hill Road/5S10 1784 Comment
  RSA608702  Carex senta L. C. Wheeler 1961-6-20 7893 Riverside West Fork Tahquitz Creek 2377 Comment
  SEINET11238795 Image available Carex senta P. Zika, Otting, N 2010-1 25248 Riverside Vicinity of Willow Creek, San Jacinto Wilderness Area, San Jacinto Mountains (SnJt) Peninsula Ranges Comment
  RSA0099996  Carex subfusca Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8573 Riverside Santa Rosa Mountains; along Forest Service Road 7S02, approx. 0.7 air mile west of the summit of Santa Rosa Mountain. 2233 Comment
  NY38470  Carex vitrea S. B. Parish 1896-7-4 4144 Riverside Palm Springs, (Agua Caliente) desert base of San Jacinot Mountain 152.4 Comment
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Sep 7 2010
  JOTR32402  Castela emoryi Harding, Mitzi, A. Benton 2011-7-13 17 Riverside Joshua Tree National Park. West Coxcomb Mountains; north-facing slope of small rocky foothills just above large bouldery wash 424 Comment
  POM158431  Castilleja affinis Philip A. Munz 1927-5-21 10886 Riverside 15 miles south of Hemet. Comment
  RSA132827  Castilleja angustifolia Peter H. Raven 1958-5-5 12893 Riverside To the west of Split Rock Tank, Joshua Tree National Monument. Comment
  HSC46606  Castilleja applegatei subsp. martinii Christopher Davidson 1977-5-18 5628 Riverside Cleveland National Forest, Bear Springs 1220 Comment
  SD68960  Castilleja densiflora subsp. gracilis Robert F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37582 Riverside Santa Rosa Plateau: vernal marsh on Mesa de Colorado, Rancho California 671 Comment
  RSA400579  Castilleja foliolosa Mark Morris, Richard C. Barkelew 1929-3-10 13715 Riverside San Jacinto Mts. Indian Canyon Comment
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Nov 9 2011
  UCR133981  Castilleja foliolosa Mitch Provance, J. S. Ross 1998-3-27 MOR- 974 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
  RSA0010955  Castilleja miniata subsp. miniata Mary F. Spencer 1922-6-26 1977 Riverside Idyllwild. San Jacinto Mts. 1707 Comment
  UCR106733  Castilleja minor subsp. spiralis John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  RSA502506  Castilleja minor subsp. spiralis Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3565 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  UCR224387  Casuarina cunninghamiana Justin M. Wood 2010-1-5 1408 Riverside Prado Basin, city of Corona, Pomona-Rincon Road, 0.2 mi north of the intersection with Railroad Street 165 Comment
  UCR101331  Caucalis microcarpa A. C. Sanders 1997-4-10 20320 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  JOTR34208  Caulanthus cooperi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 3000 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  UCR41536  Caulanthus cooperi A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6052 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  UC1287116  Caulanthus heterophyllus C. L. Hitchcock 1966-3-16 24179 Riverside 1/4 mi w Aguanga; w of Aguanga Comment
  UCR120659  Caulanthus heterophyllus D. E. Bramlet, P. Jacks, S. Goode 1989-4-6 1798 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the SE-facing slope of Bachelor Mountain. Transect L-9 482 Comment
  UCR121199  Caulanthus heterophyllus D. E. Bramlet 1991-5-10 2147 Riverside Perris-Aguanga basin region, North Domenigoni Hills, saddle between large peak in NW/4 of Sec. 31 & the 2071 ft. ridgeline to the west 567 Comment
  UCR12555  Caulanthus heterophyllus Wayne Miller 1972-4-14 720414 5 Riverside Reche Canyon, 5 mi from BartonRd. turnoff on Reche Canyon Road. 610 Comment
  UCD111409  Ceanothus cordulatus R. S. Woglum 1941-6-12 3053 Ab Riverside Idyllwild. 1524 Comment
  RSA606739  Ceanothus crassifolius Jon E. Keeley 1996-5-13 27421 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  UC1871015  Ceanothus crassifolius Steve Boyd, T. S. Ross 1993-3-23 7899 Riverside Peninsular Ranges; Palomar Mountains region; Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, T8S R1W SE 1/4 NE 1/4 sec. 29. Elev. 2000-2200 feet. Comment
  UCD162860  Ceanothus crassifolius J. Bisbee 2014-3-4 801 Riverside South on abandoned road from near end of Woodchuck Rd, just inside Agua Tibida Wilderness boundary, 1 mile south of Hwy 79. 657 Comment
  CAS-BOT-BC49183  Ceanothus cuneatus Carl B. Wolf 1941-8-12 11144 Riverside San Jacinto Moutains, 4 mi. so. of Idylwild on road to Tauquitz Lodge 1371 Comment
  RSA399038  Ceanothus cuneatus Anstruther Davidson 1910-05 s.n. Riverside Desert slope of San Jacinto. Comment
  RSA0031880  Ceanothus divaricatus var. eglandulosus Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  POM254880  Ceanothus integerrimus W. Pequegnat 1940-7-1 s.n. Riverside Santiago Peak. 1735 Comment
  RSA570552  Ceanothus ophiochilus Steve Boyd, Chris Frazier 1993-4-24 8011 Riverside Palomar Range south of Vail lake at north base of Agua Tibia Mountain, Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extendng south from end of Woodchuck Road 1000 Comment
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Aug 8 2008
  UC218105  Ceanothus perplexans P. A. Munz 1922-7-3 5959 Riverside S slopes of Santa Rosa Mountains 1676 Comment
  UCR187503  Ceanothus tomentosus Theresa Johnson 2006-3-31 007 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, off DeLuz Road at backside (edge) of ecological reserve, near Mesa de Burro 571 Comment
  CDA7297  Centaurea X pouzinii T. C. Fuller 1962-6-6 8846 Riverside South entrance to Fuller Rancho, ca. 5 miles north of Corona. 0 Comment
  UCR20322  Centaurea repens John C. Roos 1947-7-5 2908 Riverside junction of San Timoteo and Live Oak Creeks 459 Comment
  UCR87868  Centaurea solstitialis J. Miller 1993-10-14 s.n. Riverside March Air Force Base, Moreno Valley. Comment
  POM9798  Centaurium exaltatum H. D. Collins 1921-11-19 s.n. Riverside Santa Ana River, 3 miles N of Mt Rubidoux. Comment
  UCR266912  Centromadia pungens subsp. laevis D. E. Bramlet 2005-5-24 3862 Riverside Perris-Aguanga Basin Region, Warm Springs Creek, west of I-15, between Golden Gate Circle and Nick Lane 323 Comment
  UC68686  Centrostegia thurberi var. thurberi H. M. Hall May, 1905 6021 Riverside Colorado Desert, Cottonwood Mountains Cottonwood Mountains; Colorado Desert, Cottonwood Mountains 609 Comment
  RSA405364  Cercidium floridum N. C. Cooper 1949-6-29 4288 Riverside Palms to Pines Hwy, San Jacinto Mts. 305 Comment
  RSA637524  Cercidium floridum Scott D. White 1998-9-1 7099 Riverside East end of Coachella Valley: Bajada between Little San Bernardino Mts. and Indio Hills. Comment
  LA47736  Cercocarpus betuloides Elizabeth McClintock; 1936-7-19 sn Riverside San Jacinto Mountains, Idyllwild Comment
  RSA596716  Cercocarpus betuloides Louis C. Wheeler 1960-5-11 7693 Riverside San Jacinto Mountains. 1 mi. west of Hurley Flat. Comment
  RSA673499  Cercocarpus minutiflorus Scott D. White, Sandra Leatherman 2000-4-19 7665 Riverside Santa Ana Mountains/Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east-and north-facing slopes. 640 Comment
  SDSU13940  Cercocarpus minutiflorus Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2151 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  UCR207361  Cestrum O. F. Clarke 2002-11-24 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  JEPS86543  Chaenactis artemisiifolia Roy E. Buck 1988-5-28 911 Riverside near top of grade w of Lake Elsinore (on e-facing slope above CA Hwy 74, 2.0 air km nw of confluence of Harlan Canyon & Johnson Canyon drainages, 7 air km w of L. Elsin. town); Elsinore Mountains Comment
  SEINET3146199  Chaenactis carphoclinia G. B. Grant 1906-1 165 a-6785 Riverside on CO desert Palm Springs; S CA Comment
  UCD130234  Chaenactis carphoclinia Geoffrey Levin 1975-4-5 466 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernadino Mountains. Saltan Sink Drainage. 60 Comment
  POM307228  Chaenactis carphoclinia var. carphoclinia Henry J. Ramsey, Henry J. Ramsey 1940-4-14 1993 Riverside Colorado Desert, North of Blythe Comment
  RSA735399  Chaenactis carphoclinia var. carphoclinia Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11226 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UCR200302  Chaenactis carphoclinia var. carphoclinia Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11226 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  CAS-BOT-BC276902  Chaenactis fremontii R. Bacigalupi No date on label 108 Riverside Eagle Canyon, Colorado Desert Comment
  CAS-BOT-BC276943  Chaenactis fremontii Peter H. Raven 1958-3-16 11861 A Riverside Smoketree Wash, Joshua Tree National Monument Comment
  POM351699  Chaenactis fremontii Ora M. Clark 1929-3-16 1710 Riverside N. of Whitewater, Colorado. Comment
  POM351703  Chaenactis fremontii M. B. Dunkle 1932-3-25 2886 Riverside Cabazon, Colorado Desert. Comment
  RSA682173  Chaenactis fremontii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10462 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCD130326  Chaenactis fremontii C. L. Hitchcock 1966-3-16 24208 Riverside Along Palms to Pines Highway, 7 mi. s. of Palm Desert. 609 Comment
  UCR137685  Chaenactis fremontii G. A. Reese, S. Kaime 1998-4-6 4717 Riverside Sonoran (Colorado) Desert, Berdoo Canyon Jeep Trail, near Joshua Tree National Park boundary, 10 mi NE of Indio 725 Comment
  VVC703  Chaenactis fremontii P. J. MacKay, T. Thomas 1997-2-8 92 Riverside Colorado Desert, Palm Springs; vacant lot on Bogart Trail (street). 169 Comment
  CAS-BOT-BC172823  Chaenactis glabriuscula A. C. Sanders 2004-6-25 28281 Riverside Peninsular Range: Boden Canyon, tributary of Santa Ysabel Creek at E end of San Pasqual Valley; near the pond (reservoir) in middle DFG parcel 335 Comment
  SEINET7097943  Chaenactis glabriuscula A. G. Vestal 1937-3-21 s.n. Riverside Near Garnet. UTM Zone 11, 542095 mE, 3751177 mN. Lat. 33 54' 07ao N, Long. -116 32' 41ao NAD 27 (Converted to WGS84 decimal degrees) Comment
  UC63019  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1901-5-1 Riverside West Riverside Comment
  UCSC001214  Chaenactis glabriuscula var. glabriuscula Peter Kamb 1948-5-6 941 Riverside Hall Canyon, San Jacinto Mts. 1094 Comment
  UC63020  Chaenactis glabriuscula var. lanosa H. M. Hall May 17 1901-Jun 1 1901 Riverside Kenworthy; San Jacinto Mountains 1371 Comment
Read comments
Mar 25 2011
  UCD130366  Chaenactis glabriuscula var. lanosa J. C. Roos 1966-4-29 s.n. Riverside between March AFB and Lakeview. Comment
  SEINET7450235 Image available Chaenactis glabriuscula var. lanosa H. M. Hall 3845 Riverside Riverside Comment
  CAS-BOT-BC284345  Chaenactis stevioides C. L. Hitchcock 1940-3-29 5853 Riverside Cottonwood Canyon ca. 100 yards east of spring Comment
  JEPS8866  Chaenactis stevioides W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1414 Riverside Van Deventer's Comment
  POM14016  Chamaesyce albomarginata P. A. Munz, D. D. Keck 1922-4-13 4926 Riverside Hayfields,' Chuckwalla Valley 152 Comment
  RSA621902  Chamaesyce albomarginata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 3012 Riverside Vail Lake area, low hills west of Kolb Creek arm of lake. 488 Comment
  UC17620  Chamaesyce albomarginata Geo. F. Reinhardt June, 1897 Riverside Comment
  RSA605238  Chamaesyce maculata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16040 Riverside Coachella Valley: Indio, just SW of the Whitewater River Channel at Auto Center Dr. (Hwy 111). -8 Comment
  JOTR30085  Chamaesyce micromera La Doux, Tasha, Bill Truesdell 2006-10-3 1723 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  RSA777345  Chamaesyce polycarpa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4709 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119 604 Comment
  UC246680  Chamaesyce polycarpa S. B. Parish Apr 4 1896-Apr 13 1896 4143 Riverside Palm Springs (Agua Caliente) San Jacinto Mtn (base of mountain`) 152 Comment
  RSA432483B  Chamaesyce polycarpa var. hirtella G. R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms Colorado Desert Cal. Comment
  JOTR30297  Chamaesyce setiloba La Doux, Tasha, Jim Andre 2007-9-6 131 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  RSA778526  Chamaesyce setiloba Amber Swanson, Linda Jean Foster 2011-10-8 630 Riverside Jct of Blythe Rice Rd and Hwy 62. 287 Comment
  UCR89885  Cheilanthes clevelandii A. C. Sanders 1995-11-26 17912 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  CAS-BOT-BC70040  Cheilanthes covillei Elizabeth Parsons Hawver 1917-3-29 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC70294  Cheilanthes newberryi Marcus E. Jones 1930-3-15 26517 Riverside Eagle Mountains Comment
  RSA543297  Cheilanthes newberryi Steve Boyd 1991-3-17 5514 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
  UCR12627  Cheilanthes newberryi I. G. Rauch 1968-3-6 s.n. Riverside Box Springs Mountains 488 Comment
  UC71221  Cheilanthes viscida W. G. Wright April 1880 Riverside White Water Canyon Comment
  UCR274541  Chenopodium album Mitch Provance, Ken Halama 2003-6-15 17062 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  UCR99875  Chenopodium album Scott D. White 1996-12-26 4642 Riverside Perris Basin, Perris area 442 Comment
  SEINET238531  Chenopodium berlandieri T. B. Salvato, A. C. Sanders 2000-4-27 59 Riverside Coachella Valley: between Filmore & Buchanan on Avenue 56. -37 Comment
  UC1787312  Chenopodium berlandieri A. C. Sanders, Kelly Volansky 2003-10-16 27333 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 533 Comment
  UCR110396  Chenopodium berlandieri A. C. Sanders, Mitch Provance 1999-9-26 23076 Riverside San Jacinto Mountains, McMullen Flat c. 1 km NW of Valley High County Park, c. 1 km SE of Hwy 74 off (W of) Twin Pines Ranch Rd. 1195 Comment
  UCR167823  Chenopodium berlandieri T. B. Salvato, Melissa Clemons 2005-6-23 1308 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  RSA741576  Chenopodium californicum Scott D. White, Justin M. Wood 2008-6-17 12170 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UCR119413  Chenopodium pratericola Mitch Provance 1998-6-11 647 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  UCR22144  Chenopodium pumilio Steve Boyd 1980-9-22 355 Riverside Gavilan Hills, Harford Springs County Park on the NW corner of the Gavilan plateau Comment
  SEINET10784095  Chilopsis J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12849 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
  CSUSB985  Chilopsis linearis Michael J. Arbaugh 1978-6-4 S. N. Riverside Coachella Valley Located along wash 1.2 miles north on Desert View Road and Amethyst Road junction in West Palm Springs Village. Comment
  RSA455304  Chilopsis linearis A. Menke 1955-4-25 s.n. Riverside Palm Canyon. Comment
  UCR17117  Chilopsis linearis Anonymous 1969-5-25 12 Riverside Sonoran (Colorado) Desert, Hwy 22 from Indio to Blythe, turnoff into Joshua Tree, about 3 mi from Cottonwood Springs Comment
  UCSB12243  Chilopsis linearis Creighton, B. 1961-5-7 Riverside 3 miles northwest of Cathedral City and 4 miles southeast of Palm Springs, on State Highway 111, in the Coachella Valley 91 Comment
  POM48038  Chimaphila menziesii P. A. Munz, I. M. Johnston 1924-7-27 8753 Riverside Dark Canyon. 1890 Comment
  SEINET3004919  Chloracantha spinosa G. Rink, M. Baker, T. Thomas, M. Honer, A. Karl 2010-10-2 10337 Riverside Canal two miles north of Blythe. 70 Comment
  UC64797  Chloracantha spinosa var. spinosa E. E. Schellenger 1904-2-9 3 Riverside Paloverde Bench Colorado River Comment
  LA11464  Chloris gayana A. M. Johnson; 1928-5-5 366 Riverside Indio Comment
  RSA723964  Chloris truncata R. E. Riefner 2003-10-21 03 -461 Riverside Menifee Valley, along Newport Road 1 mi. E of Goetz Road intersection. 442 Comment
  UCR157759  Chloris truncata Scott D. White 1990-9-5 s.n. Riverside Perris-Aguanga Basin region, Perris Valley, SW corner of Nuevo Rd & Dunlap Road, between Perris & Nuevo. Adjacent to the Perris Valley Storm Drain 433 Comment
  CAS-BOT-BC184866  Chloris virgata Carl B. Wolf 1932-4-28 3071 Riverside Chuckwalla Valley. 20 miles west of Blythe on the Mecca Road. 121 Comment
  CAS-BOT-BC184869  Chloris virgata Carl B. Wolf 1932-4-28 3071 Riverside Chuckwalla Valley. 20 miles west of Blythe on the Mecca Road. 121 Comment
  POM364942  Chloris virgata S. B. Parish 1912-10-24 8227 Riverside Thermal, Salton Basin. -40 Comment
  RSA779808  Chorizanthe brevicornu Duncan S. Bell 2009-3-9 107 Riverside Arica Mountains: southeast section of the mountain range approximately 1.2 air miles from Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 307 Comment
  UCR167200  Chorizanthe brevicornu S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  UCR213385  Chorizanthe brevicornu A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37444 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  UCR18389  Chorizanthe corrugata Holly Hartman 1979-4-25 s.n. Riverside Western Colorado Desert, Painted Canyon in the Mecca Hills Comment
  RSA615122  Chorizanthe fimbriata A. C. Sanders, G. K. Helmkamp 1997-3-15 19929 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills. 537 Comment
  UCR281005  Chorizanthe fimbriata Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 58 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  HSC85276  Chorizanthe fimbriata var. fimbriata Steve Boyd 1986-5-1 1785 Riverside SW Perris Basin: Hill W of Skunk Hollow. Comment
  CAS-BOT-BC460911  Chorizanthe leptotheca H. M. Hall 1901-7-1 2255 Riverside San Jacinto Mountains: Fuller's Mills Mountains, west end 1584 Comment
  CAS-BOT-BC252781  Chorizanthe parryi var. parryi C. Epling; Wm. Robison 1933-6-24 s.n. Riverside San Gorgonio Wash near Banning Comment
  SBBG37953  Chorizanthe parryi var. parryi T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  UC1929714  Chorizanthe parryi var. parryi Scott D. White, Michael Honer 2003-4-25 9090 Riverside SAN BERNARDINO MTNS.: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. Comment
  RSA356652  Chorizanthe polygonoides var. longispina Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 47305 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  UCR139187  Chorizanthe polygonoides var. longispina Virginia Moran 2003-4-2 s.n. Riverside Peninsular Range, Warm Springs Preserve (managed by Center for Natural Lands Management), approximately 8 km north of Temecula and 3 km northeast of the [west?] end of Hunter Road 396 Comment
  RSA65246  Chorizanthe rigida F. W. Peirson 1922-4-11 2863 Riverside Deep Canyon Wash, Coachella Valley 244 Comment
  JEPS57758  Chorizanthe xanti W. L. Jepson 1914-5-25 6065 Riverside San Gorgonio Pass 518 Comment
  UCR25017  Chrysolepis sempervirens A. C. Sanders 1980-7-23 1768 Riverside San Jacinto Mtns, Black Mountain, rocky ridge SW of Farview Point. 2348 Comment
  UCR58723  Chrysolepis sempervirens Reid Moran 1973-7-28 21107 Riverside Santa Rosa Mtns, Summit of Toro Peak 2500 Comment
  SEINET3102125  Chrysothamnus paniculatus Marc A. Baker, Michelle Cloud-Hughes 2011-10-13 17476 Riverside Cottonwood Mountains, Pinkham Canyon, 45km ESE of Palm Springs, 26km NW of Chiriaco Summit, 2.5km south of the Snow Cloud Mine. 808 Comment
  RSA93230  Chrysothamnus paniculatus F. W. Peirson 1939-11-26 12901 Riverside 29 Palms about 7 miles from Blvd Comment
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Apr 24 2013
  SEINET11860625  Chrysothamnus teretifolius S. B. Parish, Parish, W. F. 1889-11-2 455 Riverside Whitewater Comment
  SD260086  Chylismia brevipes subsp. brevipes J. M. Andre 2013-3-4 23869 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 mi west of Hwy 95, approx 12 mi. south of Vidal Jct. 127 Comment
  CHSC64325  Chylismia cardiophylla subsp. cardiophylla Chris Dietrich; M. Merello, H. Schmidt 1994-4-12 22 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Along wash. 380 Comment
  CDA37653  Chylismia claviformis M. S. Wasbauer 1960-3-26 Riverside Shaver s Summit. 0 Comment
  OBI26127  Chylismia claviformis David J. Keil 1976-12-12 11905 Riverside Ca. 5 mi E of Indio along I-10 Comment
  UCSB12722  Chylismia claviformis subsp. aurantiaca Dearing, Hugh; Dearing, Margaret 1936-12-25 Riverside Long Canyon; near Los Angeles Aqueduct Road; Colorado Desert Comment
  UCR202602  Cirsium vulgare Scott D. White, Justin M. Wood 2008-7-9 12410 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  RSA0017423  Cistanthe ambigua Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  CAS-BOT-BC438864  Cistanthe monandra Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4031 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  RSA583357  Cistanthe monandra Steve Boyd, Darin Banks 1995-4-5 8422 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  UCR37455  Clarkia deflexa 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
  CAS-BOT-BC171998  Clarkia epilobioides E. W. Lathrop 1968-5-22 6941 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon, Cleveland Nat'l Forest 1219 Comment
  SEINET3093392 Image available Clarkia purpurea B. Pitzer, K. Kirtland 1986-5-20 222 Riverside Butterfield Stage Ranch development, in the hills on the N side of Pauba Valley, in the Rancho California area, 1 mi. S of Buck Mesa on the E side of Butterfield Stage Road. Comment
  UC20332  Clarkia purpurea subsp. quadrivulnera H. M. Hall July, 1901 2262 Riverside Fuller's Mills Mountains San Jacinto Mountains 1584 Comment
  SEINET6944613  Clarkia purpurea subsp. quadrivulnera W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris, at base of Gavilan Hills. Comment
  RSA448337  Clarkia rhomboidea N. C. Cooper 1949-6-29 4349 Riverside Pine Cove, San Jacinto Mountains. 1829 Comment
  RSA561063  Clarkia similis Steve Boyd, T. S. Ross, Dave Bramlet 1993-5-12 7350 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 366 Comment
  UCR124325  Clarkia unguiculata C. J. Harker 1969-5-19 20 Riverside San Bernardino Valley/Peninsular Range, Riverside, Fairmont Park [probably North Hill, on south side of park -- ACS, '99] 244 Comment
  UCR16509  Claytonia parviflora subsp. utahensis Carole Sims 1965-5-1 s.n. Riverside San Jacinto Mtns., Tahquitz Meadows [Camp Tahquitz Meadows, north of Hwy 74 at site of Keen Camp, east of Mtn. Center], about 25 yards northeast from place stream crosses under road 1372 Comment
  UC218074  Claytonia parviflora subsp. viridis P. A. Munz and I. M. Johnston 1922-5-19 5394 Riverside Keen Camp; San Jacinto Mts. 1463 Comment
  UC489133  Claytonia parviflora subsp. viridis C. V. Meyer Jun 1927 187 Riverside Saunder's Meadows; San Jacinto Mts. 1676 Comment
  UCR42482  Claytonia parviflora subsp. viridis P. J. Leary 1975-4-19 1100 Riverside Mojave Desert, Joshua Tree National Monument; Pinyon Well Area 1341 Comment
  UCR120156  Claytonia perfoliata Mitch Provance 1998-2-28 124 Riverside Jurupa Mountains, NE 'Wilder's Canyon', (what is sometimes referred to as the E fork of Pyrite Canyon) 351 Comment
  UCR93017  Claytonia perfoliata subsp. perfoliata G. P. Schultz 1994-4-7 73 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  UCR139030  Clematis lasiantha D. L. Banks 1997-3-29 1638 Riverside Agua Tibia Mtns., NW Palomar Mountains, Pechanga Indian Reservation. The area along Magee Truck Trail betweem the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  UCR115932  Clematis ligusticifolia Mitch Provance, S. D. Boyd 1999-9-14 1782 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
  POM48321  Clematis pauciflora E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  UCR21840  Clematis pauciflora Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  UCR91666  Clematis pauciflora D. L. Banks, Steve Boyd 1995-5-9 0422 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  RSA188725  Cleome isomeris H. U. Stauffer, R. F. Thorne 1964-5-5 5922 Riverside 6.5 km south of Morongo Valley, 4.8 km south of County border. 550 Comment
  SEINET10420078  Coldenia brevicalyx N. Dunn, A. M. Martin 1932-3-26 Riverside Coachella. Comment
  POM229458  Collinsia concolor Philip A. Munz 1937-5-30 15090 Riverside sandy area north of Vandeventer Flat, Santa Rosa Mts. 1677 Comment
  UC1563032  Collinsia concolor Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-1 3170 D Riverside just sw Vail Lake dam (recent burn in hills); Vail Lake area 487 Comment
  UCR237211  Collinsia concolor Duncan S. Bell, Valentin Arvizu 2010-5-10 983 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.4 air mi southeast of junction of FS Road 6S13 and FS Road 6S04 1365 Comment
  UC50322  Collinsia heterophylla H. M. Hall Apr 1903 3825 Riverside vicinity of Riverside 335 Comment
  RSA736756  Conium maculatum Scott D. White, Lynn Stafford 2007-6-27 11748 Riverside Santa Ana River floodplain just below Prado Dam. 134 Comment
  RSA318528  Conium maculatum Patricia Wilder 1971-2-4 4914 Riverside By edge of vernal pool in northeast portion of Prado Park; east of Archibald Ave. 244 Comment
  POM10307  Conyza bonariensis F. M. Reed 1907-9-9 1906 Riverside Roadside on Chicago Ave Comment
  UCR46724  Conyza coulteri B. G. Pitzer, D. C. Hawks 1986-12-2 0440 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  UCR133636  Cordylanthus nevinii I. W. Clokey, E. G. Anderson 1935-8-21 6904 Riverside San Jacinto Mtns., Fuller's Creek 1585 Comment
  UCR227807  Cordylanthus rigidus Duncan S. Bell, Joy England 2010-6-7 1271 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 1.4 air miles southeast of the junction of Hwy 74 and Forest Service Road 5S15 775 Comment
  JEPS60187  Cordylanthus rigidus subsp. setiger L. R. Heckard 1969-4-24 2168 Riverside just n of Sage 731 Comment
  RSA0011000  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Jeff Morawetz, Kathleen Ashbaker 2010-6-28 1436 Riverside San Bernardino National Forest: Garner Valley, approximately 2 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1373 Comment
  RSA0011007  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Ryan Parker 2010-6-1 1231 Riverside San Bernardino National Forest: Rouse Ridge, approximately 2.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 992 Comment
  RSA412306  Cordylanthus rigidus subsp. setiger Albert J. Perkins 1916-9-2 s.n. Riverside Idyllwld. Comment
  UCSB46757  Cordylanthus rigidus subsp. setiger Roos, John 1965-8-18 Riverside Thomas Valley, San Jacinto Mtns. Comment
  POM356008  Coreopsis californica M. B. Dunkle 1935-3-30 4420 Riverside Pinto Basin, Colorado Desert. 915 Comment
  POM80098  Corethrogyne filaginifolia Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA296114  Corethrogyne filaginifolia B. A. Prigge 1980-8-25 4011 Riverside San Jacinto Mts, San Gorgonio Pass, SE of Fingal siding, Southern Pacific RR 415 Comment
  CDA19738  Corethrogyne filaginifolia var. virgata H. R. Leach 1958-9-12 s.n. Riverside Southern California; River Valley. 0 Comment
  SEINET272198  Cornus glabrata A. C. Sanders, T. Tennant 1997-11-14 21596 Riverside Morongo Indian Reservation ; San Bernardino Mtns.: W end of Burro Flats wooded canyon at border between chaparral hillside and annual grassland past 1158 Comment
  CSUSB946  Coronopus didymus Oscar F. Clarke, James K. Ryan 1969-5-28 Riverside City of Riverside. Yard of 1021 Spruce Street, growing as weed. 335 Comment
  CLARK-A1528-200  Cotula australis Susan Larisch 1963-2-20 12 Riverside Highgrove Comment
  UCR24176  Crassula aquatica John C. Roos 1937-8-18 2535 Riverside San Jacinto Mtns, Hidden Lake Comment
  RSA614173  Crassula connata D. L. Banks 1997-2-23 1286 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  SDSU16682  Crassula connata Francis H. Bozzolo 2006-4-16 8 Riverside Santa Margarita Ecological Reserve, northern end, ca. 0.1 miles south of North gate on Via Tornado road. SE side of dirt road ca. 1m from road edge. 360 Comment
  SD146297  Cressa truxillensis A. C. Sanders 1999-10-15 23182 Riverside San Jacinto Valley; Mystic Lake, 1.0 mile west of Jackrabbit Trail on Gilman Springs Road. 436 Comment
  SEINET3091112 Image available Cressa truxillensis J. Jacobi 1970-4-30 0430 -4 Riverside Coll. 1 mi. N of Lakeview, Calif in flat, open area. Comment
  UCR239851  Crinodendron patagua O. F. Clarke 2004-5-12 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA293867  Crossosoma bigelovii Lyman Benson 1946-4-15 12039 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  UCR602  Crossosoma bigelovii S. C. Warner 1956-4-28 s.n. Riverside Sonoran Desert, Small canyon in hills east of Morongo Wash Road Comment
  UC1130375  Croton californicus A. E. Wieslander 1929-1-25 41 Riverside Bautista Creek San Jacinto Quadrangle (near Plot 9) 609 Comment
  UCR111576  Croton californicus Mitch Provance 1999-1-5 1739 Riverside Mira Loma, Delhi sand dune remnant on SE corner of Milliken Ave. and Patton Rd. 256 Comment
  UCR117094  Croton californicus A. C. Sanders, T. B. Salvato 2001-5-16 24292 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR187280  Croton californicus Diane Menuz, Theresa Johnson 2006-6-15 157 Riverside Peninsular Range; San Jacinto Mtns, San Bernardino National Forest, Bautista Canyon, just off the road c. 1/2 mile below Bautista Spring 762 Comment
  SEINET10493393  Croton californicus David B. Dunn 1948-6-18 Dunn 3827 Riverside Desert floor on the way out along dirt road from Coldwater Canyon. Comment
  CLARK-A1528-431  Croton californicus subsp. californicus C. M. Flanagan 1973-6-13 OO 702 Riverside Morongo Indian Reservation 1158 Comment
  CDA35285  Croton californicus var. mohavensis A. C. Browne 1952-4-23 Riverside Palm Springs 0 Comment
  POM87349  Croton californicus var. mohavensis Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  SD181766  Crypsis schoenoides Scott D. White 2001-6-29 8632 A Riverside Menifee Valley, about 1.4 airmiles SW of the I-215/Newport Rd Interchange, NW of the intersection of Holland Rd & Bradley Rd; Romoland [quad]. Mostly waste area (soil stockpiles, flood control basin). At bottom of retention basin. 438 Comment
  RSA799815  Cryptantha D. M. Ray 2011-3-5 13 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  SEINET9359277  Cryptantha Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  UCR231780  Cryptantha John F. Green 2008-4-23 08- 24 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UCR281493  Cryptantha Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 92 Riverside Temescal Valley, S of the 15 Fwy., 0.3 miles W of Hostettler Rd. 384 Comment
  JOTR28756  Cryptantha angustifolia La Doux, Tasha, Bill Truesdell 2004-3-11 1037 Riverside Joshua Tree National Park. Pinto Basin; between sand hills and parking lot for Turkey Flats 487 Comment
  RSA336130  Cryptantha angustifolia R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52041 Riverside Just E of Palm Desert. Comment
  RSA778224  Cryptantha angustifolia Duncan S. Bell 2009-3-7 29 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  RSA778489  Cryptantha angustifolia Duncan S. Bell 2009-3-8 54 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  SD237362  Cryptantha angustifolia Dave Silverman 2010-3-30 7879 Riverside UTM in Supplement. East flank of southern McCoy Mountains, 1.8 km W of Black Creek Rd, 7.0 km E of McCoy Pk, and 4.4 km north of I-10. 174 Comment
  UC662533  Cryptantha angustifolia S. D. McKelvey 1936-3-3 5067 Riverside near La Quinta Comment
  UC857056  Cryptantha angustifolia Lewis S. Rose 1938-2-1 38007 Riverside 10 mi e Desert Center 30 Comment
  UCR230773  Cryptantha angustifolia A. C. Sanders 2010-3-23 37531 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  UCSB5531  Cryptantha angustifolia Beeks, Richard 1952-4-4 Riverside U.S. 99, opposite Twentynine Palms turnoff Comment
  POM99146  Cryptantha angustifolia Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  SEINET10497267  Cryptantha angustifolia David Charlton 1988-2-18 Charlton 1131 Riverside Alluvial fan, S side of Little San Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10. Creosote Bush Scrub. 1 mi E of Jct Dillon Rd. and Fargo Cyn Rd. Stable and disturbed Bajada with; Psorothamnus, Larrea Common 8 in. white flowered annual on granite. 610 Comment
  SJSU125  Cryptantha barbigera C. D. Duncan 1933-3-24 Riverside Palm Springs Comment
  UCR262240  Cryptantha barbigera T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3710 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  SEINET10455559  Cryptantha barbigera Thorne 1980-4-16 THORNE 54048 Riverside San Bernardino Mts: Sandy bench along Whitewater River, E of bridge and levee and below W-facing bluff. Comment
  SDSU18675 SDSU18675
Image available
Cryptantha barbigera var. barbigera Kristen Hasenstab, M. G. Simpson 2008-4-1 43 Riverside In Fan Canyon, just inside the boundary for Joshua Tree National Park, under the partial shade of a Hyptis emoryi. 574 Comment
  UCR279331  Cryptantha barbigera var. barbigera A. C. Sanders, Jim Malusa 2017-3-23 42912 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  RSA0123287  Cryptantha decipiens Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9000 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UCR6097  Cryptantha decipiens A. R. Gillogly 1966-3-10 s.n. Riverside Sonoran (Colorado) Desert, 8.4 mi. NW of Palm Springs Post Office on Highway 111, 200 yards north of highway 244 Comment
  JOTR28952  Cryptantha dumetorum La Doux, Tasha 2005-3-30 1188 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  UCR75082  Cryptantha holoptera A. C. Sanders, E. J. Lawlor 1992-4-4 12131 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  CLARK-A1528-1120  Cryptantha intermedia Charles S. Papp 1964-5-3 454 Riverside Riverside Comment
  CLARK-A1656-766  Cryptantha intermedia Theo Glenn 1982-3-24 Riverside San Jacinto Mountains Comment
  POM368278  Cryptantha intermedia Christopher Davidson 1973-4-1 1812 Riverside Agua Tibia Mountains. Highway 71/79 approximately 7 miles from junction of US 395 South. 412 Comment
  RSA519255  Cryptantha intermedia Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons 488 Comment
  RSA699341  Cryptantha intermedia J. R. Bruff 1928-4-2 s.n. Riverside Canyon wash 1 mile west of Morengo. Comment
  RSA732138  Cryptantha intermedia J. Andre 2006-4-6 8148 Riverside Joshua Tree National Park: approx 50 m N. of Keys View Parking area. 1553 Comment
  RSA747281  Cryptantha intermedia Orlando Mistretta 1992-6-10 522 Riverside Cleveland National Forest: Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  RSA771785  Cryptantha intermedia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4703 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65124 604 Comment
  SBBG53358  Cryptantha intermedia J. Zabriskie 1975-3-26 Riverside Boyd Deep Cyn Research Center Comment
  UCR116982  Cryptantha intermedia A. C. Sanders, T. B. Salvato 2001-5-3 24081 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR20917  Cryptantha intermedia A. C. Sanders 1978-7-5 00199 Riverside San Jacinto Mountains, James Reserve, near head of Lake Fulmor at the mouth of Indian Creek 1616 Comment
  UCR42808  Cryptantha intermedia A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-19 6455 Riverside Mockingbird Canyon, south of Riverside, 0.7 mi. below (NW of) Harley John Road. 396 Comment
  UCR89846  Cryptantha intermedia Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3304 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
  UCR91869  Cryptantha intermedia A. C. Sanders, J. Goetzen 1996-5-1 18136 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  UCR94245  Cryptantha intermedia Scott D. White 1996-4-14 3926 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  RSA782530  Cryptantha intermedia var. intermedia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38373 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
  RSA316876  Cryptantha maritima P. A. Munz, D. D. Keck 1922-4-9 4794 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA80741  Cryptantha maritima F. W. Peirson 1919-4-13 1027 Riverside first canyon east of Palm Canyon, Palm Springs region. Comment
  SBBG81505  Cryptantha maritima S. A. Junak 1983-3-23 1616 Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of indio Comment
  UC1606965  Cryptantha maritima Robert F. Thorne, W. Wisura, A. Shmida, and R. Whittaker 1978-4-23 52033 Riverside Palms to Pines Highway San Jacinto Mountains, Chino Canyon Comment
  UCR245257  Cryptantha maritima Jim Andre 2012-3-19 21293 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  POM99142  Cryptantha maritima Marcus E. Jones 1926-2-16 s.n Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  UC1601673  Cryptantha micrantha P. A. Munz and I. M. Johnston 1922-5-20 5475 Riverside Kenworthy San Jacinto Mts. 1463 Comment
Read comments
Mar 25 2011
  UC857178  Cryptantha micrantha Lewis S. Rose 1937-4-10 37152 Riverside La Quinta 0 Comment
  POM12804  Cryptantha micrantha var. lepida P. A. Munz 1922-6-26 5839 Riverside Santa Rosa Mtns. Santa Rosa [peak?] 1982 Comment
  RSA633317  Cryptantha micrantha var. lepida R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38080 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  SD39201  Cryptantha micrantha var. lepida Edith A. Purer 1935-4-21 6443 Riverside Pine Valley, Pines to Palms Highway Comment
  RSA797509  Cryptantha microstachys C. P. Cowan 1978-4-25 1272 Riverside 5.1 miles (8.1 km) west on Hwy. 74 from jct. with 243, approaching Hemet. San Jacinto Mts. Whittaker transect no. W-228. 1370 Comment
  UCR58497  Cryptantha microstachys Jeri Hirshberg 1989-5-2 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, SW of Mesa de Burro 610 Comment
  UCR75552  Cryptantha microstachys A. C. Sanders 1993-4-30 13884 Riverside San Bernardino Mtns., along Butterfly Road, which joins Wildwood Canyon Road 0.4 mi. west of Oak Glen Road; between Cherry Valley and the Riverside County line 1100 Comment
  UCR193985  Cryptantha muricata A. C. Sanders 2008-7-25 35908 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 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
  RSA0079424  Cryptantha muricata var. jonesii D. Charlton 1988-5-21 1949 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on Hwy 74. 1676 Comment
  RSA0079426  Cryptantha muricata var. jonesii Robert Gustafson 1983-4-18 2501 Riverside Clinton Keith Road, about 3 miles from its junction with Hwy. 15, eastern slopes of the Santa Ana Mts. 457 Comment
  JOTR30307  Cryptantha nevadensis La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1740 Riverside Joshua Tree National Park. Stop 2: Near sand hill in Pinto Basin 538 Comment
  UCR75086  Cryptantha nevadensis A. C. Sanders, E. J. Lawlor 1992-4-4 12144 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  CLARK-A1528-2220  Cryptantha pterocarya John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  UCR216089  Cryptantha pterocarya var. cycloptera Jim Andre, T. La Doux 2009-2-25 10808 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UC667292  Cryptantha racemosa Annie M. Alexander and Louise Kellogg 1941-5-20 2203 Riverside Cottonwood Pass Colorado Desert, Eagle Mountains 792 Comment
  VVC1338  Cryptantha racemosa A. C. Sanders, J. Mac 1996-11-23 19653 Riverside San Bernardino Mtns., Whitewater Canyon, just below the fish hatchery 648 Comment
  JOTR30312  Cryptantha utahensis La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1749 Riverside Joshua Tree National Park. Stop 3: Northwest end of Eagle Mountains, near road to Cottonwood Canyon. 898 Comment
  POM204500  Cucurbita digitata M. French Gilman 1934-10-3 s.n. Riverside Whitewater, Colorado Desert Comment
  UCR35138  Cucurbita foetidissima L. B. Ziegler 1967-8-29 214 Riverside San Jacinto Mtns, Pinyon Flats 1250 Comment
  JOTR35025  Cucurbita palmata La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3106 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  SEINET6654702  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.; 0 550 Comment
  UC921126  Cucurbita palmata V. D. Miller 1945-5-17 Riverside Cottonwood Springs 1066 Comment
Read comments
Oct 9 2010
  UCR37448  Cupressus sempervirens Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills, upper Arroyo del Toro along old road grade (Lindell Rd.) west of Bull Canyon Road, at old homestead site 610 Comment
  RSA70996  Cuscuta californica F. W. Peirson 1914-04 898 Riverside Whitewater at head of Coachella Valley. Comment
  OBI33603  Cuscuta campestris J. C. Roos 1951-9-25 5254 Riverside W end Fairmont park, Riverside 259 Comment
  POM48872  Cuscuta ceanothi P. A. Munz, I. M. Johnston 1924-7-26 8707 a Riverside ca. 8 miles S of Banning. 1524 Comment
  UCR103779  Cuscuta pentagona Scott D. White 1994-10-21 2505 Riverside Temecula Valley, Murrieta Creek channel downstream from Santa Gertrudis Creek confluence. south of bridge at Winchester; north of Long Valley Rd. 305 Comment
  POM48532  Cuscuta salina P. A. Munz 1924-6-21 8202 Riverside On Cressa, alkaline dry flats, Lake Elsinore. 372 Comment
  UCD98518  Cycloloma atriplicifolium H. R. Greene 1920-5-11 s.n. Riverside Riverside. Comment
  RSA662434  Cycloloma atriplicifolium J. C. Roos 1965-9-26 s.n. Riverside In Indio. Comment
  CAS-BOT-BC59399  Cylindropuntia bigelovii var. bigelovii Carl B. Wolf 1932-10-12 4301 Riverside Field redacted by CAS, contact the data manager for more information 914 Comment
  RSA0031143  Cylindropuntia chuckwallensis Marc Baker, Michelle Cloud-Hughes 2013-3-20 17720 .2 Riverside 800m south of Smoke Tree Wash, 5.5km north of Cottonwood Spring, 40km NE of Indio. UTM datum in NAD83. Lat-Long datum in WGS84. 940 Comment
  RSA0080817  Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2013-3-20 17721 .1 Riverside Cottonwood Mountains, Joshua Tree National Park, north side of Cottonwood Canyon, 200m west of Wood Spring, 450m SW of Cottonwood Spring, 38km NE of Indio. 895 Comment
  RSA0072261  Cylindropuntia echinocarpa Michelle Cloud-Hughes, Tim Thomas, Kelsey Black 2013-3-24 089 Riverside Palo Verde Mesa, 14km WSW of Blythe. 120 Comment
  UCR211701  Cyperus difformis Fred M. Roberts, Michelle Balk 2006-8-24 6402 Riverside Upper San Jacinto Valley, Hemet, south side of Esplanade Rd. near intersection with Alabaster Rd., 0.3 km E of junction with Warren Rd. 452 Comment
  SEINET269470  Cyperus esculentus Scott D. White, Steve Ogg 1994-10-17 2469 Riverside Temecula Valley, Murrieta Creek 1000 ft. south of Winchester Road bridge (Banana Avenue on USGS Murrieta quad photorev. 1979). 300 Comment
  POM13748  Cyperus odoratus E. C. Jaeger 1921-07 1194 Riverside Soboba Hot Springs. Comment
  SD146115  Cyperus odoratus A. C. Sanders, Mitch Provance, et al 2000-9-27 23680 Riverside Santa Ana River Valley; southwest side of Mount Rubidoux; northwest of intersection of Tequesquite Avenue and Gregory Road; near confluence of Arroyo Tequesquite and the river . 231 Comment
  UC724223  Dalea mollis Aven and Ruth Nelson 1939-3-29 3309 Riverside between Mecca and Hidden Springs Comment
  UCR138584  Dalea mollis Steve Boyd, Orlando Mistretta 1986-3-13 1428 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 366 Comment
  RSA480074  Dalea mollissima Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2167 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  SEINET3102116  Dalea mollissima Marc A. Baker, Michelle Cloud-Hughes 2011-9-25 17458 Riverside Chuckwalla Valley, 24km WSW of Blythe, 8km SSE of the summit of McCoy Peak, low stabilized sand dunes. 135 Comment
  RSA603267  Dasyochloa pulchella Joseph A. Ewan 1933-2-20 10843 Riverside Southwest side Pinto Basin Comment
  SBBG19892  Dasyochloa pulchella M. A. Piehl 1963-9-18 63842 Riverside US Hwy 60, 70; 2.7 mi W of Desert Center 312 Comment
  RSA564025  Datisca glomerata M. A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Along Tahquitz Creek and behind the debris basin dam in Palm Springs. 183 Comment
  UCR68859  Datisca glomerata Steve Boyd, T. S. Ross 1990-5-11 4659 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  RSA784960  Datura discolor Duncan S. Bell 2012-3-18 3224 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
  UC1929900  Datura wrightii Scott D. White 2004-4-26 10245 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. Lake Fulmore 7.5' Quad. Comment
  UC26101  Datura wrightii Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  UCR115998  Datura wrightii A. C. Sanders, Pam MacKay, E. J. Lawlor, C. L. Sanders 2000-3-19 23316 Riverside Shipley-Skinner Reserve area, Diamond Valley, off old Rawson Rd. north of Crown Valley, on future bed of Diamond Val. Reservoir, now filling 488 Comment
  UCR162548  Datura wrightii S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  UCR274000  Datura wrightii Mitch Provance 2012-9-11 17620 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft., along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  SEINET237964  Daucus pusillus A. C. Sanders, T. B. Salvato 2000-5-25 23397 Riverside Menifee Valley: S of Newport Rd. N of Holland Rd. and E of Bradley Rd. 2 miles due east of Railroad Canyon Lake. 439 Comment
  SD181707  Deinandra fasciculata Scott D. White 2000-5-30 7972 Riverside 1.0 mile southeast of the I-15/El Cerrito Road junction adjacent to new housing construction. 334 Comment
  CAS-BOT-BC294104  Deinandra kelloggii H. M. Hall 1901-6-1 2420 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1828 Comment
  POM362220  Deinandra kelloggii Banning 1921-6-1 3428 Riverside San Jacinto Comment
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Feb 22 2014
  UC2030092  Deinandra mohavensis Scott D. White 2000-8-22 8123 Riverside SOUTH OF HEMET: Gibbel Flat in the Santa Rosa Hills. Comment
  SD181703  Deinandra paniculata Scott D. White 2001-6-20 8596 Riverside Just east of Goetz Road and south of Ethanac Road, ca. 1.5-2.0 miles west of I-215 Freeway. 441 Comment
  UCR238219  Deinandra paniculata Mark A. Elvin 2005-5-24 4321 Riverside Peninsular Range; Perris-Aguanga Basin Region, SW foot of round hill west of Hemet and south of Hwy 74, west of California Ave. 470 Comment
  UCR247554  Deinandra paniculata R. E. Riefner Jr. 2010-6-5 10- 50 Riverside city of Riverside, Sycamore Canyon Park, west c. 0.5 mi from Cottonwood Ave and Sycamore Canyon Blvd 433 Comment
  CAS-BOT-BC7979  Delphinium parishii subsp. parishii Alice Eastwood 1913-4-30 2999 Riverside Palm Springs Comment
  PASA2553  Delphinium parryi Frank W. Peirson 1922-5-18 3051 Riverside Road south of Lake Elsinore 377 Comment
  RSA356748  Delphinium parryi Robert F. Thorne 1973-5-23 45514 Riverside Santa Rosa Plateau: N side of Mesa de Colorado. Santa Ana Mountains 610 Comment
  UCR174549  Delphinium parryi Jennifer H. Jones 2006-6-6 401 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  CAS-BOT-BC121425  Delphinium parryi subsp. parryi Ynez Whilton Winblad 1938-5-15 s.n. Riverside Lake Elsinore Comment
  CAS-BOT-BC121436  Delphinium parryi subsp. parryi E. K. Balls 1949-5-4 13478 Riverside Cajalco Road, 2 miles from Corona to Elsinore Highway on road to Lake Matthews, Gavilan Hills. Comment
  RSA394492  Delphinium parryi subsp. parryi Gale Sphon 1955-5-7 s.n. Riverside Horsethief Canyon, Santa Ana Mtns. Comment
  RSA0020469  Delphinium parryi subsp. parryi Walter Wisura, W. Steinmetz 1993-5-29 4917 Riverside PCT S of Hwy 74, near Table Mountain road Comment
  UC856042  Descurainia pinnata I. W. Clokey 1935-4-17 6650 Riverside Cottonwood Springs Comment
  CAS-BOT-BC43355  Descurainia pinnata subsp. glabra Fay A. Mac Fadden 1936-3-20 14482 Riverside Morengo [Moreno] Valley. Comment
  UC519842  Descurainia pinnata subsp. glabra N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Spring Comment
  UCR76181  Dicentra chrysantha B. G. Pitzer, Stu Hemstreet 1992-5-21 1948 Riverside Santa Ana Mtns., Cleveland National Forest, State Hwy 74, 1 mi. uphill of the 2,000 ft. marker & to the left 0.1 mi. on an old paved road 762 Comment
  UC708739  Dichelostemma capitatum H. K. Wagnon 1944-3-19 375 Riverside s side Tahquitz Creek (in Tahquitz Canyon); Palm Springs, Tahquitz Canyon Comment
  UCR155058  Dichelostemma capitatum Jason L. Hlebakos 2005-5-30 814 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UCR178511  Dichelostemma capitatum R. G. Swinney 1967-2-12 0021 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  RSA180310  Dichelostemma capitatum subsp. capitatum E. W. Lathrop 1965-4-18 5666 Riverside 10 miles west of Murrieta. Comment
  SEINET7040150  Dichelostemma congestum A. G. Vestal 1962-4-8 Riverside Ca. 3.5 miles north east of Lake Elsinore (Elsinore)on Rt.74. UTM Zone 11, 472765mE, 3731077mN. Comment
  RSA500987  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3106 Riverside Vail Lake area, at N base of rounded knob 1.25 mi WSW of dam. 610 Comment
  RSA501057B  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3174 B Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA775090  Dicoria canescens Duncan S. Bell, Amber Swanson 2011-2-18 2040 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  SD127560  Dieteria canescens var. ziegleri Louis B. Ziegler 1969-9-30 Riverside North slope of Santa Rosa Mountains 1980 Comment
  OBI8277  Diplacus bigelovii David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12078 Riverside Joshua Tree Natl Monument along Pinto Basin Rd 11 mi S of N park boundary Comment
  CAS-BOT-BC150931  Diplacus bigelovii var. bigelovii Peter H. Raven 1958-1-24 11451 Riverside Fargo Canyon Comment
  SBBG92205  Diplacus bigelovii var. bigelovii D. F. Howe 1980-4-16 Riverside 4 mi S of Interstate 10 on Cornsprings Rd, Chuckwalla Mtns 335 Comment
  RSA0019284  Diplacus brevipes N. C. Cooper 1944-6-17 1424 -A Riverside San Jacinto Mtns. above Banning. 1220 Comment
  RSA0019286  Diplacus brevipes N. C. Cooper 1944-6-16 2005 Riverside San Jacinto Mountains, west side. 1372 Comment
  RSA0019412  Diplacus fremontii P. A. Munz 1924-5-18 8137 Riverside 18 miles S of Banning on Idyllwild Road. 1524 Comment
  RSA0018428  Diplacus longiflorus var. calycinus Carl B. Wolf 1932-5-24 3657 Riverside 1 mi. above the Fish Hatchery. Snow Creek, No. base San Jacinto Mountains. 793 Comment
  CAS-BOT-BC150868  Diplacus puniceus C. L. Hitchcock; C. V. Muhlick 1964-3-17 23105 Riverside 10 miles n. of Pala, on road to Elsinore Comment
  SBBG120835  Diplacus puniceus A. C. Sanders with T. B. Salvato, K. Volansky 2006-5-24 32565 Riverside hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd 518 Comment
  CAS-BOT-BC153966  Diplacus rattanii John Thomas Howell 1931-5-30 6613 Riverside Santiago Peak, Santa Ana Mts. Comment
  UC51618  Distichlis spicata var. divaricata Jos. Burtt Davy 1902-4-2 Riverside Salton; ; Salton, Riverside Co. Comment
  JOTR32607  Ditaxis lanceolata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2671 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  RSA27209  Dithyrea californica C. L. Hitchcock 1940-4-4 5959 Riverside Pinto Basin. Comment
  RSA530738  Dithyrea californica Gale Sphon 1955-5-15 s.n. Riverside 5 miles north of Cathedral City. Comment
  SBBG24505  Dithyrea californica A. I. Richardson 1966-3-23 Riverside S of Desert Highland Hot Springs rd to village of Thousand Palms Comment
  CAS-BOT-BC412630  Dodecahema leptoceras Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  SBBG62189  Dodecahema leptoceras unknown -May-1901 Riverside Elsinore Comment
  RSA461477  Dodecatheon alpinum subsp. majus Claire Kibbe 1936-07 s.n. Riverside San Jacinto Mountans. 1982 Comment
  UC162554  Dodecatheon clevelandii subsp. clevelandii H. M. Hall 1897-1-24 362 Riverside vicinity Riverside; vicinity of Riverside 426 Comment
  RSA180368  Drymocallis glandulosa E. W. Lathrop 1960-6-8 4908 Riverside 14 miles west of Murrieta Comment
  RSA60297  Drymocallis glandulosa G. R. Campbell 1948-7-4 608 Riverside Azalea Trails Girl Scout Camp, north of Idyllwood, Dark Canyon. 1646 Comment
  RSA503398  Drymocallis glandulosa var. wrangelliana J. D. Olmsted 1962-5-9 3604 Riverside Bear Spring, SE side of Santiago Peak. 1524 Comment
  CAS-BOT-BC70834  Dryopteris arguta D. E. Breedlove 1961-8-5 938 Riverside along Fuller Mill Creek where it crosses Riverside Highway 1; San Jacinto Mtns 1645 Comment
  UCR251865  Dryopteris arguta M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  UCR273596  Dudleya cymosa subsp. pumila Tim Searl 2016-5-27 s.n. Riverside Badlands, 1.2 miles southeast of Redlands Blvd./San Timoteo Canyon intersection 646 Comment
  SEINET960008  Dudleya multicaulis Steve Boyd 1986-1 1838 Riverside Temescal Canyon: Terrace escarpment between Horsetheif wash and Indian Truck Trail, south of I-15 Comment
  CAS-BOT-BC109605  Dudleya saxosa subsp. aloides Reid Moran 1950-4-28 3407 Riverside Whitewater. 457 Comment
  JEPS49888  Dudleya saxosa subsp. aloides W. L. Jepson 1901-5-22 1349 Riverside s Hemet Valley (Palm Canyon and return to Van Deventer's) Comment
  RSA45211  Dudleya saxosa subsp. aloides J. C. Roos, L. Roos 1949-4-23 4285 Riverside Monson Canyon, Eagle Mountains. Comment
  CLARK-A1656-850  Echinochloa colona Jon Mark Stewart 1983-11-6 83-56 Riverside Palm Desert 60 Comment
  UC28462  Echinodorus berteroi Samuel B. Parish 1891-11-3 2246 Riverside Elsinore Lake Comment
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Aug 8 2010
  UC219271  Elatine californica P. A. Munz and I. M. Johnston 1922-5-20 5460 Riverside Kenworthy San Jacinto Mts 1432 Comment
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Mar 25 2011
  RSA740936  Eleocharis bella Scott D. White, Justin M. Wood 2008-7-9 12438 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  UC68610  Eleocharis geniculata H. M. Hall 1905-5-4 5984 Riverside Dos Palmas Colorado Desert 19 Comment
  UCR104947  Eleocharis montevidensis A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20688 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  UCR93084  Eleusine indica A. C. Sanders, S. Ogg 1994-7-28 15169 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  POM12147  Elymus elymoides Mary F. Spencer 1921-6-16 1694 Riverside Near Idyllwild, San Jacinto Mountains 1616 Comment
  JOTR33943  Elymus elymoides subsp. elymoides La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2832 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
  RSA704885  Elymus elymoides subsp. elymoides J. Russell Bruff 1934-6-19 556 Riverside Idyllwild Comment
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Jul 29 2010
  UC38190  Elymus glaucus H. S. Yates June 1901 2207 Riverside San Jacinto Mountains; s side 1645 Comment
  RSA179496  Elymus multisetus E. W. Lathrop 1960-6-7 4867 Riverside 14 miles west of Murrieta Comment
  UCD62435  Elymus multisetus R. N. Raynor 1938-6-20 s.n. Riverside Near Keen Camp. Comment
  SEINET260213  Elymus trachycaulus subsp. subsecundus M. Curto, L. Allen 1991-7-23 811 Riverside San Jacinto Wilderness ; Mt San Jacinto Tahquitz Valley 2415 Comment
  UC1931204  Elymus trachycaulus subsp. trachycaulus Scott D. White, Justin Wood 2008-6-19 12273 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  RSA699653  Emmenanthe penduliflora Keith E. Hoffmaster 1934-4-8 s.n. Riverside Santa Ana Mts. Comment
  UCR213538  Emmenanthe penduliflora A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37808 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCR279507  Emmenanthe penduliflora A. C. Sanders, Jim Malusa 2017-3-27 43110 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
  UCR85315  Emmenanthe penduliflora A. C. Sanders, G. K. Helmkamp, P. J. MacKay, et al. 1995-5-19 16155 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtn Foothills, 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
  JOTR31047  Emmenanthe penduliflora var. penduliflora La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2030 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  JOTR32151  Emmenanthe penduliflora var. penduliflora La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2306 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  JEPS30408  Encelia actoni Donald Kyhos 1957-4-8 57 -35 Riverside Highway 99 at Cabazon; , Highway 99 Comment
  POM246641  Encelia actoni E. C. Jaeger 1938-5-14 s.n. Riverside Stubbe Spring, Little San Bernardino Mts 1463 Comment
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May 29 2011
  UCR23768  Encelia actoni John C. Roos 1942-6-20 992 Riverside San Jacinto Valley, E of Hemet Comment
  UCR183175  Encelia californica Mitch Provance 2003-5-5 4413 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  RSA678416  Encelia farinosa Michael Wall 2003-4-15 334 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
  UCD131206  Encelia farinosa K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  UCD19708  Encelia farinosa Donald W. Kyhos 1965-3-13 65 -111 Riverside 6.2 miles west of junction of Hwy 78 and Hwy 60-70 near Blythe. Comment
  UCR120933  Encelia farinosa A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24933 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  RSA226627  Encelia farinosa var. farinosa C. W. Tilforth, John Dourley 1971-8-17 437 Riverside Cajalco Raod, 1.3 miles W of jct with La Sierra Road, W of Lake Mathews 412 Comment
  UCR89580  Encelia frutescens George K. Helmkamp 1994-3-8 41 8 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  CAS-BOT-BC81550  Ephedra californica Annie M. Alexander; Louise Kellogg 1941-5-15 2183 a Riverside north base of Eagle Mountains 914 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
  SEINET5767780  Ephedra californica M. B. Dunkle 1932-3-25 2874 Riverside Cabazon. Colorado Desert. Comment
  SEINET5869097 Image available Ephedra californica C. E. Jones, N. Rojas 2001-1 JSR 2 Riverside Whitewater Canyon Rd, 0.7 mi N of jct with Whitewater Cut-off from Interstate Hwy 10, E side of rd, in wash below small substation. Comment
  NY70344  Ephedra nevadensis I. W. Clokey 1935-4-17 6509 Riverside Cottonwood Springs, Colorado Desert Comment
  UCR112004  Epilobium campestre A. C. Sanders, T. B. Salvato 2000-5-25 23418 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
  RSA588601  Epilobium canum subsp. canum D. L. Banks, Steve D. Boyd 1995-10-17 812 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  POM123232  Epilobium canum subsp. latifolium Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA512  Epilobium canum subsp. latifolium J. T. Howell 1927-8-2 572 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  RSA191397  Epilobium ciliatum subsp. ciliatum E. W. Lathrop, Thorne 1967-9-26 6644 Riverside 6 miles NW of Murrieta. Comment
  RSA388408  Epilobium densiflorum Robert F. Thorne, Steve D. Boyd, E. W. Lathrop 1985-7-18 61170 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 534 Comment
  RSA381725  Epipactis gigantea Joseph A. Ewan 1930-4-17 3051 Riverside Warners Ranch at Whitewater. 396 Comment
  SDSU1959  Equisetum laevigatum Graham A. Cribbs 1962-7-28 116 Riverside Taken from meadow adjacent to Lake Hemet in the San Jacinto mountains. 1372 Comment
  UCR236672  Eragrostis Fred M. Roberts, Michelle Balk 2006-8-24 6403 Riverside Upper San Jacinto Valley, Hemet, south side of Esplanade Rd. near intersection with Alabaster Rd., 0.3 km E of junction with Warren Rd. 452 Comment
  UCR26522  Eragrostis cilianensis A. C. Sanders, S. Hagopian 1981-5-20 2155 Riverside Peninsular Range, Wolf Valley, SE of Temecula, NE of State Hwy S16 along road to sod farm 329 Comment
  RSA678263  Eragrostis pectinacea var. pectinacea Valerie L. Soza, Steve Boyd, Neil Gilbert 2000-12-6 1064 -b Riverside Alongside Highway 74, ca. 1 mile west of junction with Highway 243 (Mountain Center). 1311 Comment
  JEPS68612  Eremalche rotundifolia W. L. Jepson 1927-4-12 11680 Riverside Painted Canyon Colorado Desert, Mecca Hills, Painted Canyon 76 Comment
  RSA432713  Eremalche rotundifolia M. B. Dunkle 1935-3-17 4406 Riverside Desert Center. 610 Comment
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Dec 13 2011
  RSA4931  Eremalche rotundifolia Carl B. Wolf 1932-4-27 3067 Riverside Colorado Desert, Chuckwalla Valley, 16 mi. east of Desert Center. 122 Comment
  GMDRC9377  Eremothera chamaenerioides J. M. Andre 2017-3-4 37180 Riverside Big Maria Mountains: along west side of US Hwy 95 30.5 mi. south of Vida Jct, at road to Blythe itaglios (ancient geoglyphs) 95 Comment
  UC127707  Eremothera refracta H. M. Hall 1905-4-21 5840 Riverside near Salton; Colorado Desert 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
  HSC95245  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-16 137 Riverside Thomas Mtn. Rd., 1.5 km W of Thomas Mtn. Campground, both sides of road 1939 Comment
  RSA0110547  Eriastrum densifolium subsp. elongatum Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  UCD118278  Eriastrum eremicum subsp. eremicum Robert F. Thorne; C. W. Tilforth 1980-5-28 54248 Riverside Along Whitewater River, about 3.2 miles N of Whitewater Post Office and Highway 10. Comment
  CAS-BOT-BC514453  Eriastrum eremicum subsp. eremicum Milo S. Baker 1928-4-3 2847 b Riverside Hway South Palm Springs Comment
  RSA0120070  Eriastrum eremicum subsp. eremicum Marcus E. Jones 1903-5-10 10252 Riverside Palm Spring. 61 Comment
  SEINET4565924  Eriastrum harwoodii Duncan S. Bell 2010-4-2 682 Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; approximately 3 miles northwest of Priest Well; collecting along a sandy slope above the main western drainage for the Arica mountains.; 0 464 Comment
  RSA0123311  Eriastrum sapphirinum Naomi Fraga, Duncan S. Bell 2009-5-6 2709 Riverside Arroyo seco SE of Dripping Springs Campground and Fire Station. 488 Comment
  UC1929491  Eriastrum sapphirinum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10506 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  UCR25084  Eriastrum sapphirinum A. C. Sanders 1980-7-18 1644 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA409368  Eriastrum sapphirinum subsp. dasyanthum Robert Gustafson, Gary D. Wallace 1983-6-23 2724 Riverside Along Clinton Keith Road, ca. 2.5 miiles from its junction with Hwy 15, Santa Ana Mts. Comment
  RSA0121581  Eriastrum sapphirinum subsp. dasyanthum Percy C. Everett 1935-6-18 7176 Riverside Santa Ana Mountains, San Juan Canyon, near Ortega Highway on road [North Main Divide Road] to Santiago Pk. 701 Comment
  SD119909  Eriastrum sapphirinum subsp. sapphirinum Louis B. Ziegler 1972-9-5 492 Riverside Hemet Valley. 1402 Comment
  UCR149852  Ericameria cooperi Scott D. White, Michael Honer 2004-4-6 10047 Riverside Perris/Elsinore Basins, Temescal Valley: just N of the I-15 freeway and east of Indian Truck Trail, S and west of Lee Lake 396 Comment
  SEINET5727172 Image available Ericameria cuneata var. spathulata Lowell E. Urbatsch, Patricia B. Cox; Sue Grace 1995-1 7092 Riverside Joshua Tree National Park; ca. 1.7 mi SE of jct. of the road to Cottonwood Headquarters and the road to the town of Joshua Tree; near the White Tank campground.; Joshua Tree National Park Comment
  RSA34512  Ericameria linearifolia Norman C. Cooper 1944-5-20 1230 Riverside Pine Flats,Palms to Pines Hwy, San Jacinto Mts. Comment
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Nov 26 2011
  SD128372  Ericameria linearifolia R. Mitchel Beauchamp, R. C. Pierce 1971-3-27 2065 Riverside Slopes along Coyote Canyon Road, Terwilliger Valley. 900 Comment
  SDSU3876  Ericameria linearifolia H. Wedberg 1962-4-20 919 Riverside About 1 mile SE of Pinyon Flat on road to Palm Springs, San Jacinto Mountains. 1219 Comment
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Oct 18 2011
  UC36548  Ericameria linearifolia H. M. Hall 1899-5-23 1140 Riverside Kenworthy San Jacinto Mountains, Kenworthy (opening to desert, among rocks) 1219 Comment
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Mar 25 2011
  RSA180299  Ericameria palmeri var. pachylepis E. W. Lathrop 1965-10-24 6024 Riverside 8 miles W of Murrieta. 610 Comment
  UCR250910  Ericameria palmeri var. pachylepis A. C. Sanders 2014-4-18 41027 Riverside Peninsular Range, Temescal Canyon, hills along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, c. 100 m south of I-15 401 Comment
  CAS-BOT-BC299543  Ericameria paniculata Mrs. Robert Campbell 1921-11-26 4 Riverside Between Palm Springs and Indian Wells Comment
  LA31361  Ericameria paniculata Jane Turner; Barbara Whitesel, Virginia Sjaholm 1959-3-21 C 174 SK&F- Riverside Morongo Wash Comment
  UC894833  Ericameria paniculata Lewis S. Rose 1938-12-20 38330 Riverside 3 mi se Palm Springs Station; Whitewater Wash 274 Comment
  UCR182446  Ericameria parishii Mitch Provance 2003-7-4 4634 Riverside San Bernardino Valley, Riverside, Along Jackson St., between Audrey and Colorado Aves. 226 Comment
  UCR92700  Ericameria pinifolia A. C. Sanders, O. F. Clarke 1996-4-13 18034 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  JEPS22358  Erigeron coulteri Carl V. Meyer 1928-7-31 603 Riverside Tahquitz Valley San Jacinto Mts. Tahquitz Valley Comment
  RSA6084  Erigeron foliosus C. B. Wolf 1932-5-25 3667 Riverside Flat at mouth of east fork of Snow Creek, N Base of San Jacinto Mountains 671 Comment
  JEPS41492  Erigeron foliosus var. foliosus Carl V. Meyer 1928-8-1 620 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow 1706 Comment
  UCR111988  Eriochloa aristata A. C. Sanders, T. B. Salvato 2000-4-27 23375 Riverside Coachella Valley, east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 15 Comment
  RSA455023  Eriodictyon crassifolium N. C. Cooper 1949-6-3 4151 Riverside Temecula 762 Comment
  RSA6095  Eriodictyon crassifolium Carl B. Wolf 1932-5-24 3650 Riverside 0.5 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 549 Comment
  UCSB5277  Eriodictyon crassifolium Wilson, Richard 1958-5-17 Riverside 6 miles SE of Banning on State 74, San Jacinto Mtns. 762 Comment
  SD80101  Eriodictyon crassifolium var. nigrescens Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-24 398 Riverside Water service road above crossing of Deep Canyo, north slope Santa Rosa Mountains. 1317 Comment
  POM12123  Eriodictyon trichocalyx Mary F. Spencer 1921-4-19 1120 Riverside Banning. Comment
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Mar 13 2011
  UCR91723  Eriodictyon trichocalyx A. C. Sanders, J. Goetzen 1996-5-1 18124 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  UC1980061  Eriodictyon trichocalyx var. trichocalyx LeRoy Gross, Jackie McConnaughy, Drew monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4299 Riverside Transverse Ranges; San Bernardino Mountains region: 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. Comment
  SEINET10858693  Eriogonum Daphne K. Christopher, Hannah Stevens 2003-4-6 Christopher 100 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. Comment
  RSA239198  Eriogonum apiculatum James L. Reveal, Caroline G. Reveal 1972-8-9 2861 Riverside Along California Highway 243, 4.4 miles north-northwest of Idyllwild, 8.9 miles north of the junction with Highway 74, and 1 mile south of Alandale Ranger Station Comment
  RSA0112081  Eriogonum deflexum Duncan S. Bell 2010-10-23 1983 Riverside Arica Mountains; northwest section of range; collecting in the vicinity of the California Aqueduct. 282 Comment
  UCSB37947  Eriogonum deflexum Mayers, Anna 1978-4-24 Riverside 4.5 km south of Palm Springs Araby Canyon, south of Araby Drive 215 Comment
  CAS-BOT-BC256123  Eriogonum deflexum var. deflexum Lewis S. Rose 1936-12-26 36824 a Riverside Hayfield, 5 mi. W of Desert Center Comment
  UCR13081  Eriogonum elongatum S. R. Szarek 1970-11-14 s.n. Riverside San Jacinto Mtns., along roadside, near turnoff to Twin Pines Ranch Comment
  SD122175  Eriogonum elongatum var. elongatum James C. Dice, J. D. Tenhunen 1987-9-9 722 Riverside Ca. 1.6 km NNW of Royal Oak Ranch, next to road 380 Comment
  UC454353  Eriogonum fasciculatum var. foliolosum I. J. Condit 1920-6-24 Riverside San Jacinto Canyon Comment
  POM11512  Eriogonum fasciculatum var. polifolium P. A. Munz 1922-7-1 5929 Riverside Santa Rosa Mtns: Old Nicholas Canyon. 1524 Comment
  UCR92251  Eriogonum fasciculatum var. polifolium Scott D. White, M. A. Patten 1995-8-16 3546 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  SBBG128834  Eriogonum gracile A. C. Sanders 2008-7-25 35911 Riverside E side of May Valley, along Bonita Vista Rd at foot of hills 1580 Comment
  POM2262  Eriogonum gracile var. gracile F. M. Reed 1905-9-16 818 Riverside Teraces Ranch. Comment
  POM153375  Eriogonum gracile var. incultum P. A. Munz, I. M. Johnston 1928-9-12 11253 Riverside Temescal Canyon. Comment
  RSA242183  Eriogonum gracile var. incultum James L. Reveal, Caroline G. Reveal 1972-8-9 2851 Riverside Along California Highway 74 at Strawberry Creek, about 5.5 miles west of the junction with Highway 243. 915 Comment
  UCR272193  Eriogonum gracile var. incultum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8561 Riverside San Jacinto Mountains, Garner Valley, west side of the hwy, c. 3.75 air miles southeast of Lake Hemet 1370 Comment
  SEINET4087516  Eriogonum inflatum G. T. Manthey 1977-1 1630 Riverside Road leading from Mecca to Joshua Tree National Monument. Comment
  POM2270  Eriogonum inflatum var. inflatum I. M. Johnston 1917-4-4 s.n. Riverside Mouth of Andreas Canyon. 229 Comment
  RSA393575  Eriogonum inflatum var. inflatum L. E. Hoffman 1932-7-27 s.n. Riverside Beaumont-Banning Pass. Comment
  JOTR16819  Eriogonum pusillum Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. Comment
  RSA424848  Eriogonum pusillum Lester H. Cushman 1932-3-20 s.n. Riverside 2 mi. W of Morongo Valley. Comment
  SFV1022  Eriogonum pusillum P. M. Kennamer 1958-4-1 100 Riverside Palm Springs area. 0.75 miles from the Joshua Tree National Monument turnoff on U. S. Highway 99. 40 feet from west side of road. 213 Comment
  HSC88767  Eriogonum thomasii Elizabeth Neese 1979-4-11 7093 Riverside Between Blythe and Rice, 11 mi. NW of Blythe. 305 Comment
  JEPS56189  Eriogonum thomasii W. L. Jepson 1927-4-13 11689 Riverside Mouth of Painted Canyon Mecca Hills, Painted Canyon 45 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
  UC2058836  Eriogonum thomasii Scott D. White 2001-4-3 8244 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio Junction I-10 /SR 111. Cottonwood Basin 7.5' Quad. Comment
  UC517551  Eriogonum thomasii John Thomas Howell 1928-3-24 3534 Riverside Painted Canyon Colorado Desert, Painted Canyon Comment
  RSA543833  Eriogonum thurberi Steve Boyd, Orlando Mistretta 1991-5-22 6292 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UCR102938  Eriogonum thurberi George K. Helmkamp 1998-4-3 3075 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek area north of Mt. San Jacinto; at edge of stream south of Snow Creek Rd at a point 1.4 mi. south of Calif. Hwy 111 396 Comment
  SEINET6894827  Eriogonum thurberi Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  CAS-BOT-BC263589  Eriogonum trichopes Roxana S. Ferris 1918-6-14 972 Riverside Near Indian Wells Comment
  UCR244302  Eriogonum trichopes Jim Andre 2012-4-15 20857 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  UC729614  Eriogonum wrightii var. membranaceum Mr. Dammers December 1933 Riverside Gavilan Hills Comment
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May 20 2013
  POM123356  Eriogonum wrightii var. nodosum Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  SEINET10867843  Erioneuron pulchellum David B. Dunn 1947-10-9 Dunn 3526 Riverside Grass. Joshua Tree National Monument at campground area by Hidden Valley. Comment
  CAS-BOT-BC298483  Eriophyllum ambiguum var. paleaceum H. M. Hall 1905-4-1 5760 Riverside Near Palm Springs Comment
  POM31121  Eriophyllum ambiguum var. paleaceum H. M. Hall 1905-4-14 5760 Riverside Palm Springs, in the lower sonoran zone of the Colorado Desert. 150 Comment
  CAS-BOT-BC297343  Eriophyllum confertiflorum Cecil Hart 1922-5-21 s.n. Riverside San Jacinto Peak Comment
  POM357992  Eriophyllum confertiflorum M. V. Hood 1945-3-25 s.n. Riverside Aguanga, San Diego County. [Riverside County] 595 Comment
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Jan 22 2009
  UCR116926  Eriophyllum confertiflorum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24219 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCSB6520  Eriophyllum confertiflorum Kamb, Peter 1947-6-7 Riverside Arid Transition Zone; Hall Canyon, San Jacinto Mts. 1645 Comment
  CHSC89857  Eriophyllum confertiflorum var. confertiflorum L. P. Janeway 2004-5-8 8068 Riverside Peninsular Ranges. Santa Ana Mountains, Los Alamos Canyon near mouth of Wildhorse Canyon, where Wildomar Road crosses the creek. On steep northwest-facing slope above the road, bottom of the canyon. 421 Comment
  JEPS23547  Eriophyllum confertiflorum var. confertiflorum Peter H. Raven 1958-5-17 12937 Riverside 3.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  UCD132129  Eriophyllum multicaule J. C. Roos 1948-5-22 3866 Riverside San Timoteo Canyon, south of Redlands. Comment
  UCR16868  Eriophyllum multicaule R. Gagnon 1968-4-13 680413- 01 Riverside Box Springs Mtns, Box Springs Mtns., Pigeon Pass, 3.5 mi. from radio towers along road going up to the towers Comment
  UC896371  Eriophyllum wallacei C. L. Hitchcock 1940-3-30 5879 Riverside Cottonwood Spring Comment
  UCR34971  Eriophyllum wallacei L. B. Ziegler 1967-6-21 166 Riverside San Jacinto Mtns, Hemet [= Garner] Valley 1402 Comment
  RSA495825  Erodium brachycarpum Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2936 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UCR104888  Erodium brachycarpum A. C. Sanders 1997-3-19 20013 Riverside Lake Skinner area, hills between Tucalota Creek and lower Rawson Canyon, c. 1/2 mi. (1 km) east of the lake 488 Comment
  UCR272902  Erodium cicutarium Duncan S. Bell, Amanda Bell, Evan Bell (in utero) 2012-1-28 3067 Riverside Mojave Desert, east side of the Arica Mountains, Rice Valley, c. 6 air miles southeast of the ghost town of Rice 202 Comment
  RSA0045160  Erodium cicutarium Andrew Haimov, April Sleigh 1992-5-10 87 Riverside 75 meters east of Davis Road. 1 1/2 miles north of Ramona Expressway, San Jacinto Wildlife Area along access road. Comment
  UCR216951  Erodium macrophyllum Kim Sparks, Ana Hernandez 2010-4-8 07 Riverside Perris-Aguanga Basin, Gavilan Hills, 330m east of Cajalco Rd. and 55m south of dirt access road. 435 Comment
  UCR97502  Erodium moschatum A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19874 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  VVC2462  Erodium texanum Tim Thomas 2013-3-18 5934 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  CAS-BOT-BC54331  Erysimum capitatum Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild. Comment
  UCR120626  Erysimum capitatum Steve Boyd, K. A. Boyd, C. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2265 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  JEPS48774  Erysimum capitatum var. capitatum Marjorie D. Clary 1932-5-13 963 Riverside Lost Horse Canyon Comment
  RSA0015880  Erythranthe moschata M. B. Dunkle 1933-7-21 3727 Riverside Idyllwild. 1616 Comment
  CAS-BOT-BC110555  Eschscholzia Elizabeth McClintock 1958-4-5 s.n. Riverside In Painted Canyon, Colorado Desert. Comment
  UCD96510  Eschscholzia androuxii Shannon M. Still; Carolyn Still, Steven Still 2009-3-28 512 Riverside California. Riverside County: Joshua Tree National Park. 724 Comment
  CAS-BOT-BC403363  Eschscholzia californica W. G. Wright 1889-6-1 s.n. Riverside San Gorgonio Pass Comment
  RSA522752  Eschscholzia californica Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3859 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
  UCR139150  Eschscholzia californica S. J. Myers, Andrei Krylor 2003-4-30 s.n. Riverside San Jacinto Mtns. Region, Reed Valley, c. 1.5 mi. SW of Little Cahuilla Mtn. 1098 Comment
  UCR172715  Eschscholzia californica Jun Hu 2000-5-11 22 Riverside San Jacinto Valley, SE of city of Winchester, Hills N of Diamond Valley 488 Comment
  SEINET3005002  Eschscholzia glyptosperma G. Rink 2011-4-4 10430 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  UCD84931  Eschscholzia glyptosperma Chuck Hughes 2010-3-22 203 Riverside Near edge of Rice-Midland Road. 269 Comment
  JEPS121461  Eschscholzia minutiflora Adam C. Schneider with Will Freyman 2014-2-16 389 Riverside Box Canyon Road. Comment
  UCR196351  Eschscholzia minutiflora Naomi Fraga, Lisa Rojas 2005-2-10 1397 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 361 Comment
  UCSB12878  Eschscholzia minutiflora Breedlove, Dennis 1962-3-11 Riverside Cat Creek wash; 3 miles southwest of Palm Desert 426 Comment
  RSA0023216  Eschscholzia papastillii Tim Thibault, Bart O'Brien, P. Morton 2004-5-8 254 Riverside Chuckwalla Mtns region, wash at end of Bradshaw Trail. 393 Comment
  CAS-BOT-BC419607  Eschscholzia parishii W. G. Wright 1890-4-1 s.n. Riverside Whitewater, Colorado Desert Comment
  CAS-BOT-BC419631  Eschscholzia parishii G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2735 Riverside Colorado Desert: Chuckwalla Mts. 10.6 mi SW of Chuckwalla Valley Rd. on Graham Pass Road Comment
  UC421604  Eschscholzia parishii John Thomas Howell 1928-3-25 3539 Riverside Painted Canyon Colorado Desert Comment
  UC635609  Eschscholzia parishii H. L. Mason 1928-3-10 4191 Riverside Whitewater River Comment
  UC1608073  Eucalyptus camaldulensis D. Goodward April 1987 30 Riverside Eucalyptus irrigation plot U.C. Riverside Moreno Valley Field Station (s. of Alessandro Blvd. near Nason St., Tree R45T6); Moreno Valley, U.C. Riverside Moreno Valley Field Station 457 Comment
  UCR199790  Eucalyptus tereticornis Scott D. White, Justin M. Wood 2008-6-24 12282 Riverside Beaumont Badlands, San Timoteo Canyon, meadow along San Timoteo Creek 671 Comment
  RSA525423  Eucrypta chrysanthemifolia Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4531 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  RSA556515  Eucrypta chrysanthemifolia Julie Greene 1993-4-10 1137 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. 476 Comment
  UC1424860  Eucrypta chrysanthemifolia var. chrysanthemifolia C. W. Tilforth 1978-4-30 1570 Riverside hills e Norco Comment
  UCR230047  Eucrypta chrysanthemifolia var. chrysanthemifolia L. Nye, G. Gust 2005-3-10 536 Riverside city of Lake Elsinore on river bank just off of Auto Center Drive, north of junction with Diamond Drive 400 Comment
  JEPS1691  Eucrypta micrantha Marjorie D. Clary 1932-3-15 1618 Riverside 12 mi sw Indio; Colorado Desert, Santa Rosa Mts. 121 Comment
  RSA776838  Eucrypta micrantha Amber Swanson, Duncan S. Bell 2011-3-18 223 Riverside About 3 airmiles SE of Desert Center, N of Chuckwalla Mtns. 392 Comment
  SBBG35142  Eulobus californicus T. L. Secrest 1948-4-10 Riverside near Hemet Comment
  SDSU14100  Eulobus californicus Jonathan S. Austin, Michael G. Simpson 2002-4-20 16 Riverside Near parking area off Tornado road adjacent to riparian area north of Santa Margarita river, Santa Margarita Ecological Reserve. 233 Comment
  RSA659708  Euonymus occidentalis J. C. Roos 1965-7-3 s.n. Riverside Dark Canyon, San jacinto Mtns. Comment
  RSA627507  Euonymus occidentalis var. parishii Scott D. White 1998-7-31 6946 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  CAS-BOT-BC202384  Euphorbia abramsiana Lewis S. Rose 1936-12-22 36807 A Riverside San Jacinto Mts., Palms to Pines Highway 17 mi. SW. of Indio 914 Comment
  UCR240040  Euphorbia abramsiana A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40513 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, Chuckwalla Bench area on S side of Chuckwalla Mountains, 0.9 km west of Dupont Rd. 756 Comment
  UCR171895  Euphorbia albomarginata John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  UCR235095  Euphorbia albomarginata A. C. Sanders, John F. Green 2012-5-27 40198 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, powerline route west of Valley Substation (on Menifee Rd.), N of McLaughlin Rd. on the E side of San Jacinto Rd 441 Comment
  UCR97279  Euphorbia albomarginata Scott D. White 1993-4-30 1315 b Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  POM184544  Euphorbia eriantha C. L. Hitchcock 1932-4-7 12203 Riverside Chuckwalla Mountains: Corn Springs. Comment
  UCR41268  Euphorbia maculata A. C. Sanders 1982-6-12 2713 Riverside Riverside, residential garden, 422 Campus View Drive 335 Comment
  RSA575852  Euphorbia ocellata subsp. ocellata Steve Boyd 1983-7-13 s.n. Riverside Gavilan Hills region, south shore of Lake Mathews. 588 Comment
  POM312156  Euphorbia palmeri N. C. Cooper 1944-6-17 1397 Riverside San Jacinto Mts., Pine Cove. 1524 Comment
  UCR102049  Euphorbia polycarpa B. G. Pitzer 1997-10-19 3353 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  UCR165817  Euphorbia polycarpa 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
  UCR172248  Euphorbia polycarpa John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  RSA559950  Euphorbia spathulata Steve Boyd, Orlando Mistretta 1992-4-23 7061 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
  CLARK-A1528-537  Eustoma exaltatum John C. Roos 1951-9-25 5259 Riverside Riverside 259 Comment
  UCR55324  Eustoma exaltatum C. Butsch 1988-7-7 s.n. Riverside Rubidoux, Rancho Jurupa Park. Comment
  SD136895  Euthamia occidentalis Steve Boyd, Tim Ross, Dave Bramlet 1992-9-9 7674 Riverside San Mateo Canyon Wilderness Area. Upper San Mateo Canyon from junction of Tenaja Road and Los Alamos up San Mateo Trail to Potrero Cienega 395 Comment
  CAS-BOT-BC167365  Fagonia laevis Javier Penalosa 1963-4-10 2793 Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  CAS-BOT-BC171041  Fagonia laevis Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13236 Riverside In wash arising in Big Maria Mts., Highway U.S. 95, 11.3 mi. N of Blythe Comment
  RSA391196  Fagonia laevis Robert Gustafson 1981-4-7 2157 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  UCR75058  Fagonia laevis A. C. Sanders, E. J. Lawlor 1992-4-4 12086 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 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
  RSA6666  Ferocactus cylindraceus var. cylindraceus B. D. Stark 1933-5-13 4982 Riverside Andreas Canyon. 762 Comment
  SD181762  Festuca arundinacea Scott D. White, Teresa Salvato 2001-6-8 8571 Riverside Santa Ana Mountains, Temecula; southern margin of county, just northeast of Rainbow Valley 334 Comment
  UCR266477  Festuca octoflora Mitch Provance, Matt Amalong 2015-3-25 315- 37 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
  UCR99218  Filago arizonica A. C. Sanders, G. Helmkamp 1997-3-15 19990 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  POM254733  Filago depressa P. A. Munz 1940-3-23 15688 Riverside north end of Pinto Basin 610 Comment
  RSA756345  Forestiera pubescens O. F. Clarke 2005-10-15 s.n. Riverside Riverside, Santa Ana River c. 200 m below old Salt Lake Railroad bridge. 215 Comment
  UCR4475  Forestiera pubescens L. B. Ziegler 1963-3-18 s.n. Riverside 2 mi south of Mt. Russel (S of Moreno) Comment
  RSA336050  Fouquieria splendens Robert F. Thorne 1978-4-23 52049 Riverside Along Palms to Pines Highway, N slope of Santa Rosa Mts. Comment
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Apr 24 2011
  JEPS83134  Fouquieria splendens subsp. splendens R. P. Allen 1935-3-23 Riverside Shaver's Well Comment
  UC19171  Fouquieria splendens subsp. splendens H. M. Hall 1902-4-11 2789 Riverside Coyote Canyon Colorado Desert (w borders of Colorado) 152 Comment
  UCSC001447  Fragaria vesca Peter Kamb 1947-5-17 518 Riverside San Jacinto Mts, Hall Canyon 1646 Comment
  UCR256775  Frankenia salina T. B. Salvato, Matthew Malle 2013-5-20 7583 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  RSA392144  Frasera parryi N. C. Cooper 1944-7-15 1583 Riverside Palms to Pines Highway, San Jacinto Mountains. 1372 Comment
  UCR118811  Fumaria officinalis O. F. Clarke 2000-3-14 s.n. Riverside Peninsular Range, Riverside, in yard of O.F. Clarke residence at 266 Frost Court 360 Comment
  SEINET3076691 Image available Galium angustifolium B. Pitzer 1986-5-24 248 Riverside Whitewater Canyon, ca. 5 mi N of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to ca. 0.25 mi N of hatchery boundary. 732 Comment
  UCR213441  Galium angustifolium A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37829 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  RSA627512  Galium angustifolium subsp. angustifolium Scott D. White, Julie Greene 1998-8-1 6967 Riverside Idyllwild area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Dr. and Humber Park. 1829 Comment
  UC1536779  Galium angustifolium subsp. angustifolium G. H. True 1935-4-10 220 Riverside Box Springs Sycamore Canyon Comment
  JOTR29243  Galium angustifolium subsp. gracillimum La Doux, Tasha 2005-8-8 1524 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Eureka Peak 1676 Comment
  JOTR29304  Galium angustifolium subsp. gracillimum La Doux, Tasha, Mike Bell 2006-5-17 1381 Riverside Joshua Tree National Park. East Deception Canyon Comment
  POM46823  Galium angustifolium subsp. gracillimum Mary F. Spencer 1920-4-6 1476 Riverside Palm Springs. 122 Comment
  UCR189558  Galium angustifolium subsp. jacinticum Amy Rowland 2007-6-22 089 Riverside Peninsular Range, San Jacinto Mounains, Cahuilla Mountain Trail, c. 0.5mi north of peak of Cahuilla Mountain 1669 Comment
  UCR205296  Galium angustifolium subsp. jacinticum Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1708 Riverside San Jacinto Mountains, Lake Fulmore, northwest side of Lake 1616 Comment
  UCR4674  Galium angustifolium subsp. jacinticum Frank C. Vasek 1964-7-25 640725- 25 Riverside San Jacinto Mtns, road out of Dark Canyon 1829 Comment
  RSA0013626  Galium aparine LeRoy Gross, Duncan S. Bell 2013-4-30 6033 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  RSA219237  Galium parishii C. W. Tilforth 1970-9-2 303 Riverside On road to Santa Rosa Mtn. Comment
  RSA567550  Galium parishii Christopher Davidson 1978-6-15 7391 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  UC219086  Galium parishii P. A. Munz 1922-7-6 6022 Riverside near Hidden Lake; San Jacinto Mts. 2560 Comment
  RSA679075  Galium parishii Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1442 Riverside Northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  UCR147553  Galium porrigens Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1287 Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  POM15038  Galium stellatum Mary F. Spencer 1922-4-3 589 Riverside Tahquitz Canyon, Palm Springs, Colorado Desert. 213 Comment
  UCR260227  Galium stellatum subsp. eremicum A. C. Sanders, Jim Malusa 2015-3-11 41407 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, side canyon draining from the NE into large canyon containing the Gasline Road, c. 2.5 miles north of the Imperial Co. line, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  UC1007231  Galium stellatum var. eremicum Philip A. Munz 1940-3-24 15701 Riverside 2 mi n Cottonwood Springs; Eagle Mts. 914 Comment
  RSA748224  Garrya veatchii T. Scott, A. Townesmith, K. M. Meyer 2007-3-9 115 Riverside Cleveland National Forest. 0.8 mile down Woodridge Rd. in town of Oak Grove, at Oak Grove trailhead. 855 Comment
  UCR91603  Garrya veatchii D. L. Banks, Steve Boyd 1995-1-18 0042 Riverside Cleveland National Forest, Agua Tibia Wilderness, N slope of Agua Tibia Mtn., west of Wild Horse Peak, along the Dripping Springs Trail 963 Comment
  UC1930170  Gastridium phleoides Scott D. White, Michael Honer 2003-6-3 9463 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  RSA797255  Gayophytum Robert F. Thorne, Walter Wisura 1977-9-17 50793 Riverside San Jacinto Mountain: slopes of peak 3171 Comment
  POM265812  Gayophytum diffusum subsp. parviflorum J. C. Roos 1937-8-18 2529 Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  POM355346  Gayophytum diffusum subsp. parviflorum M. B. Dunkle 1933-7-19 3691 Riverside Tahquitz Ridge. San Jacinto Mountains. 2530 Comment
  CAS-BOT-BC303568  Geraea canescens J. Von Loh 1977-10-31 2602 Riverside Ford Dry Lake Comment
  RSA703806  Geraea canescens LeRoy Gross 2005-3-3 1603 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  UC170153  Geraea canescens E. E. Schellenger 1894-12-5 89 Riverside Eherenberg Road near Red Canon; Colorado Desert Comment
  UC1922402  Geraea canescens Naomi Fraga, Lisa Rojas 2005-2-10 1405 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  UCD132580  Geraea canescens Richard Bates 1949-4-26 s.n. Riverside Cathedral City, southeast of Palm Springs. Comment
  RSA0036275  Geraea canescens M. B. Dunkle 1933-3-4 3058 Riverside Painted Canyon. Colorado Desert. 30 Comment
  RSA667120  Geranium carolinianum A. C. Sanders, T. B. Salvato 2000-5-8 23384 Riverside San Bernardino Valley region; Riverside, UCR Botanical Garden, E side of the campus. 121 Comment
  RSA162827  Geranium richardsonii J. D. Olmsted 1959-7-1 722 Riverside Wellman s Cienega at intersection of trail and running water, 5miles NE of Idyllwild, San Jacinto Mts. Willow Tahquitz Creek. 2820 Comment
  RSA5235  Geranium richardsonii Carl B. Wolf 1932-8-5 3959 Riverside On trail from Tahquitz Valley to San Jacinto Peak; head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  CLARK-A1528-3498  Gilia achilleifolia subsp. multicaulis John C. Roos 1937-4-4 1389 Riverside La Sierra Comment
  HSC85272  Gilia angelensis Steve Boyd 1986-4-22 1776 Riverside Gavilan Hills: Plateau remnant on ridge E of Estelle Mtn., S of Dawson Canyon Comment
  UC880102  Gilia angelensis I. W. Clokey, B. C. Templeton 1930-4-9 4661 Riverside n Banning; n of Banning 1100 Comment
  UCR118405  Gilia angelensis A. C. Sanders 1994-5-15 14486 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  UCR157962  Gilia capitata T. B. Salvato, A. C. Sanders 2005-5-17 926 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
  RSA774891  Gilia capitata subsp. abrotanifolia Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5032 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  RSA125533  Gilia diegensis R. Weatherby 1949-6-6 668 Riverside Santa Rosa Mountain. 1982 Comment
  RSA786239  Gilia leptomeria Doris Bowers 1973-4-15 1964 Riverside S/o Cave Spring, Providence Mts. 1220 Comment
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Aug 24 2013
  UCR132927  Gilia ochroleuca John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  CAS-BOT-BC407803  Gilia ochroleuca subsp. exilis Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4016 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  SD137682  Gilia ochroleuca subsp. exilis Darin L. Banks, Steve Boyd 1995-4-5 148 Riverside Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, west of the Dripping Springs Trail. 573 Comment
  UCR115338  Gilia ochroleuca subsp. exilis A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16248 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  GMDRC2592  Gilia stellata J. Andre, T. La Doux 2008-3-21 8835 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Upper Wilson Wash, approx 9.5 mi. S. of North Entrance 33 deg. 58.263' N 115 deg. 59.688' W. Elev. 3338 ft. 1018 Comment
  JOTR36453  Gilia stellata La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3423 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
  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
  RSA797510  Gilia stellata C. P. Cowan 1978-4-23 1176 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  RSA525345  Githopsis diffusa subsp. candida Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4442 -B Riverside Vail Lake area, summit of Big Oak Mtn, N of lake 762 Comment
  SD186045  Glinus lotoides A. C. Sanders, Kerry Knudsen and T. B. Salvato 2004-5-18 27909 Riverside Southeast of old clay mining area. 448 Comment
  UC39036  Glyceria elata H. M. Hall Jun 1901 2244 Riverside Dark Canyon; San Jacinto Mountains 1828 Comment
  UCR264631  Glycyrrhiza lepidota Mitch Provance 2012-6-19 196- 05 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  UCR234241  Gnaphalium leucocephalum A. C. Sanders, T. B. Salvato 2012-4-27 40086 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. near I-15 crossing and mouth of Mayhew Cyn. 314 Comment
  RSA544314  Gnaphalium luteoalbum Steve Boyd 1991-7-13 6421 Riverside Peninsular Range Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road. Comment
  UCR158136  Gnaphalium luteoalbum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30118 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
  UCR20326  Gnaphalium palustre John C. Roos 1952-6-8 5742 Riverside canyon 4 mi NW of Moreno 640 Comment
  UCR266320  Gnaphalium palustre D. E. Bramlet 1991-6-1 2191 Riverside Peninsular Ranges; Perris-Aguanga Basin region, San Jacinto Valley, W Florida Ave. at EMWD canal 457 Comment
  RSA0035802  Gnaphalium stramineum A. C. Sanders, T. B. Salvato 2014-7-2 41172 Riverside Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCR25554  Gnaphalium stramineum John C. Roos 1941-4-25 158 Riverside Plateau in Reche Canyon Comment
  UCR139618  Gutierrezia californica A. C. Sanders 2004-6-30 28384 B Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR150641  Gutierrezia microcephala Bern Schwenn 1994-9-18 s.n. Riverside Joshua Tree National Monument, Little San Bernardino Mountains; on saddle between Bernard and Little San Bernardino Peaks, SW of Bernard 1591 Comment
  UC1118601  Gutierrezia sarothrae R. St. John 1929-1-25 7 Riverside mouth Bautista Creek (Plot 8); San Jacinto Quadrangle 670 Comment
  UC1214012  Gutierrezia sarothrae Otto T. Solbrig 1958-8-18 2760 Riverside on Hwy 79 12.3 mi w of Aguanga; Hwy 79 Comment
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Apr 29 2008
  UCR264083  Gutierrezia sarothrae T. B. Salvato, Arlee Montalvo 2015-8-22 8232 Riverside San Jacinto Mountains, Apple Canyon Road, 1.35 air miles northeast of its junction with Hwy 74 1418 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
  UCR113542  Hazardia squarrosa Mitch Provance 1998-6-6 697 Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  UCR101400  Helianthemum scoparium A. C. Sanders 1997-4-10 20326 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  CLARK-A1656-881  Helianthus annuus subsp. lenticularis Jim Cornett 1977-7-10 Riverside Thermal 0 Comment
  UC666387  Heliotropium convolvulaceum var. californicum Annie M. Alexander and Louise Kellogg 1941-5-28 2259 Riverside 6 mi. e. Blythe; Colorado Desert 121 Comment
  UCR217513  Hemizonia mohavensis Karyn L. Drennen 2009-7-22 002 Riverside San Jacinto Mtns, Chimney Flats 1354 Comment
  UCR239937  Hemizonia mohavensis O. F. Clarke 2003-9-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  RSA674594  Hemizonia paniculata Scott D. White 2000-5-5 7771 Riverside City of Murrieta: Vacant lot on N corner at intersection of Jefferson Av. and Murrieta Hot Springs Rd. 323 Comment
  UCR130517  Hemizonia pungens subsp. laevis R. E. Riefner Jr. 2003-5-27 03- 243 Riverside Elsinore Trough, city of Lake Elsinore, vicinity of Campbell Dr. and Diamond Drive 384 Comment
  UCR201411  Hemizonia pungens subsp. laevis Justin M. Wood 2008-11-5 220 Riverside SW Perris Basin, Murrieta Creek, 2 mi southeast of Murrieta, open field north of Winchester Road and between the creek and Jefferson Avenue 314 Comment
  UCR202221  Hemizonia pungens subsp. laevis Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  UCR205989  Hemizonia pungens subsp. laevis Karen Kirtland, Stephanie Pacheco 2009-6-8 s.n. Riverside San Jacinto Valley, Ramona Blvd. near Potter Rd., SE of Sanderson Ave. and south of the Ramona Expressway, c. 0.5 mi. north of San Jacinto Reservoir and c. 2 miles south of Gilman Hot Springs 454 Comment
  RSA0026165  Hesperocallis undulata Marc Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17707 Riverside Palo Verde Mesa, 14 kilometers SW of Blythe, 6 kilometers ENE of north end of the Mule Mountains. Comment
  UCR158270  Hesperocnide tenella A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29492 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
  UCR91508  Hesperocnide tenella Scott D. White, M. Jacobsmeyer 1996-4-20 3943 Riverside Elsinore Basin, Bundy Canyon, east of Lake Elsinore; c. 1 road mi. east of Bundy Canyon Rd exit from the Interstate Hwy 15 exit 451 Comment
  UCR174442  Hesperolinon micranthum A. C. Sanders 2006-5-19 32389 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
  RSA0075888  Heterotheca grandiflora Doris Bowers 1972-4-15 1825 Riverside Pulgas Creek Wash mouth, Rancho California 396 Comment
  SD114911  Heuchera rubescens Fred T. Sproul 1977-8-14 190 Riverside Along road to Santa Rosa Peak. Near its turn toward the south to the summit Comment
  RSA432782  Hibiscus denudatus Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA778205  Hibiscus denudatus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 799 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  UCD116340  Hibiscus denudatus Geoffrey Levin 1976-3-27 693 Riverside Chino Canyon, west of Palm Springs. Alluvial fan of San Jacinto Mts. Mt. Range. 396 Comment
  RSA627521  Hieracium albiflorum Scott D. White, Julie Greene 1998-8-1 6971 Riverside Idyllwild area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Dr. and Humber Park. 1829 Comment
  UCR2461  Hilaria rigida F. M. Reed 1927-3-19 5670 Riverside Sonoran (Colorado) Desert, Salt Creek Wash, east of Mecca 213 Comment
  CLARK-A1528-476  Hoffmannseggia densiflora Charlotte Stocks 1964-9-11 Riverside Indio Comment
  UC68515  Hoffmannseggia glauca H. M. Hall 1905-4-20 5829 Riverside Coachella; Colorado Desert -20 Comment
  UCR163059  Hoffmannseggia glauca B. G. Pitzer, G. R. Ballmer 2000-10-14 4220 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, south side of Hwy I-10 along gasline road, 0.5-0.75 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 115 Comment
  CAS-BOT-BC206376  Hoffmannseggia microphylla Alice Eastwood 1913-4-30 3072 Riverside Palm Springs Comment
  CAS-BOT-BC206379  Hoffmannseggia microphylla Alan Prather; Alice Hempel 1993-5-16 1346 Riverside Along I-10, 20.1 km E of Coachella, at the rest stop for the westbound lanes. Desert wash along the interstate. 400 Comment
  UCD105851  Hoffmannseggia microphylla Richard Bates 1949-4-28 s.n. Riverside Cathedral city, southeast of Palm Springs. Comment
  SD137784  Hoita macrostachya Darin L. Banks, Victor Steinmann 1995-7-10 750 Riverside NW Palomar Mountains, Agua Tibia Mountains, Cleveland National Forest, along Wildhorse Trail south of lower Arroyo Seco, NW of Wildhorse Peak, in major drainage that flows off the NW flank of Wildhorse Peak 609 Comment
  UCR266360  Hordeum intercedens D. E. Bramlet 2005-5-4 3843 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, west of Hemet, canal right-of-way, west of Dillworth property 457 Comment
  UCR75556  Hordeum intercedens A. C. Sanders 1993-5-12 14016 Riverside Hemet, W side of Warren Road, 1/2 mi south of Florida Ave (Hwy 74), b/w the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Rd 457 Comment
  RSA0042653  Hordeum marinum subsp. gussoneanum Scott D. White, Marty Jacobsmeyer 1996-4-20 3972 Riverside Perris area: Near Perris Airport; ca. 100 m N of Case Rd. and 100 m W of San Jacinto River Channel. 429 Comment
  RSA747514  Hordeum murinum Justin M. Wood 2009-3-10 348 Riverside Twin Pines Rd, near entrance to Twin Pines Ranch. 695 Comment
  UC34042  Hordeum murinum subsp. glaucum H. M. Hall 1901-6-19 2176 Riverside head Hemet Lake (Thomas Ranch, San Jacinto Mountain); San Jacinto Mt., head Hemet Lake, Thomas Ranch Comment
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Mar 25 2011
  RSA0014451  Hordeum murinum subsp. leporinum Justin M. Wood 2010-3-4 1419 Riverside Prado Basin: City of Corona. Just NW of sewage treatment dike (intersection of railroad st. and Yorba St.) 160 Comment
  SDSU9063  Horkelia bolanderi F. Youngberg 1933-8-28 Riverside Idyllwild Pines, San Jacinto Mtns. Comment
  RSA0018954  Horkelia clevelandii Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 658 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA0018956  Horkelia clevelandii J. D. Olmsted 1959-6-26 686 Riverside Woods south of boys meadow area, Desert Sun School at Saunders Meadow near Idyllwild. San Jacinto Mountains, drainage area to San Jacinto River. 1707 Comment
  RSA0026267  Horkelia cuneata subsp. cuneata Fred M. Roberts 2013-6-7 7781 Riverside Peninsular Ranges: Santa Ana Mtns.: Tributary to Upper San Juan Canyon near Chiquito Basin Trail, 1.1 kilometers NNW Upper San Juan Campground. 518 Comment
  POM193759  Horsfordia alata Marjorie D. Clary 1930-4-25 s.n. Riverside Coachella Valley about sea level Comment
  SBBG72803  Horsfordia alata M. N. Ackley 1928-4-3 710 Riverside Devils Cyn, Coral Reef Ranch 91 Comment
  SD42469  Hosackia crassifolia var. crassifolia Carl B. Wolf 1940-7-2 9719 Riverside East side of santa Ana Mountains, Indian Canyon truck trail, Ao mile below main divide, dry open slopes 1219 Comment
  CLARK-A1528-1950  Hulsea heterochroma John C. Roos 1965-7-22 Riverside San Jacinto Mountains Comment
  UCR178332  Hulsea heterochroma Mitch Provance, Tracy Tennant 1998-6-16 MOR- 443 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon 823 Comment
  RSA679102  Hulsea vestita subsp. callicarpha Mark Elvin, Victoria Jotikasthira, Ron Wehterford, Jason Wehterford 1996-5-10 173 Riverside San Bernardino National Forest Comment
  UC897985  Hulsea vestita subsp. callicarpha Carl B. Wolf 1932-8-5 3970 Riverside Trail from Tahquitz Valley to San Jacinto; San Jacinto Mountains 2895 Comment
  UCR92598  Hydrocotyle umbellata F. M. Reed 1933-8-13 8013 Riverside South Coast; San Bernardino Valley, Riverside, Fairmont Park 245 Comment
  POM126316  Hymenoclea salsola Thos Craig 1927-4-2 3 Riverside Hidden Springs Canyon; Colorado Desert. Comment
  POM8368  Hymenoclea salsola Mary F. Spencer 1920-3-28 460 Riverside Palm Springs. 122 Comment
  UCR41553  Hymenoclea salsola A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6107 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  CAS-BOT-BC312859  Hymenoxys odorata H. M. Hall 1905-4-1 5914 Riverside Colorado Desert. Palo Verde Valley 76 Comment
  SEINET11259614 Image available Hymenoxys odorata H. M. Hall 5914 Riverside Paloverde Valley 76 Comment
  UC1563124  Hypochaeris glabra Steve Boyd 1989-5-7 3532 Riverside Comment
  CAS-BOT-BC219740  Hyptis emoryi John Thomas Howell 1928-1-29 3295 Riverside Sandy floor of Painted Canon [Canyon], Colorado Desert Comment
  CAS-BOT-BC219758  Hyptis emoryi Milo S. Baker 1927-4-3 3311 b Riverside Palm Canon [Canyon] Comment
  RSA27598  Hyptis emoryi C. L. Hitchcock 1940-3-31 5895 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  RSA550013  Hyptis emoryi Walter Wisura, John Dolan, C. Demme 1992-4-13 4684 Riverside Low Desert: Corn Spring. N-base of Chuckwalla Mtns. Comment
  UCR214296  Hyptis emoryi A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37473 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
  SEINET10836950  Hyptis emoryi David B. Dunn 1948-2-21 Dunn 3657 Riverside Found in wash; a rain about two weeks earlier. Pushawalla canyon, indio hills of the colorado desert; w of indio. Comment
  UCD133421  Isocoma acradenia F. R. Lawson 1929-12-12 s.n. Riverside Mecca. Comment
  POM361285  Isocoma acradenia var. eremophila Allen 1921-10 s.n. Riverside Palm Springs. Comment
  RSA559314  Isolepis cernua Steve Boyd, Timothy S. Ross, David E. Bramlet 1993-5-13 7374 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile. 412 Comment
  CSUSB721  Isomeris arborea David M. Peterson 1966-2-20 660220 12 Riverside 8 miles northeast of Mecca in Box Canyon, on Mecca-to-Joshua Tree National Monument Road. 170 Comment
  POM115620  Ivesia saxosa A. M. Alexander, Louise Kellogg 1941-5-6 2125 Riverside 13 miles southwest of 29 Palms, Joshua Tree National Monument. 1372 Comment
  CLARK-A1045-339  Jepsonia parryi George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Bautista Road; Hemet 15'Q Comment
  UCR189779  Juglans hindsii Theresa Johnson 2007-10-9 401 Riverside Peninsular Ranges, Perris-Aguanga basin, Estelle Mountain 498 Comment
  CAS-BOT-BC109879  Juncus Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore. Comment
  SBBG57379  Juncus R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 1828 Comment
  POM319708  Juncus balticus subsp. ater Patricia Wilder 1970-10-30 4857 Riverside Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area 152 Comment
  SEINET3150744  Juncus bufonius H. M. Hall 1904-5-10 4954 Riverside Fremont Park 244 Comment
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Mar 15 2014
  UC842319  Juncus bufonius P. A. Munz 1922-4-29 5063 Riverside 0.5 mi s Lake Elsinore Comment
  UCR174360  Juncus bufonius A. C. Sanders 2006-5-19 32403 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
  UCR106349  Juncus effusus subsp. austrocalifornicus John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  RSA774066  Juncus mexicanus Duncan S. Bell, Jeffrey Morawetz, Kathleen Ashbaker 2010-6-28 1435 Riverside San Bernardino National Forest: Garner Valley, approximately 2.8 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1374 Comment
  SDSU11812  Juncus mexicanus H. Wedberg 1962-7-28 994 Riverside In Hemet Meadow, about 1 mile S from Herkey Creek Publ. Campgr. on the road to Santa Rosa Summit, San Jacinto Mts. 1372 Comment
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Jan 24 2013
  RSA782437  Juncus oxymeris A. C. Sanders, Tim Thomas 2008-8-1 35953 Riverside lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  UCR23213  Juncus rugulosus S. Gallagher 1981-6-1 32 Riverside Box Springs Mtns., Box Springs Road 1.8 mi south of intersection w/ Pigeon Pass Road. Site on the SE corner of intersection of Box Springs Road & a dirt side road leading to W slope of the mtns. 747 Comment
  UCR60608  Juncus xiphioides Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3690 Riverside Peninsular Range, Vail Lake area, benches of Arroyo Seco and slopes of hills to the east 488 Comment
  RSA0097946  Juniperus californica Duncan S. Bell 2014-11-14 7727 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  UC813451  Juniperus californica I. W. Clokey 1935-4-17 6507 Riverside Cottonwood Springs Comment
  UCR97258  Juniperus californica Scott D. White 1997-2-9 4676 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  UCSB15610  Juniperus californica Holmes, John 1963-5-5 Riverside Along California Highway 74 at Pinyon Flats Campground, 16.3 miles west of Junction with California Highway 111 1219 Comment
  SEINET5450457 Image available Juniperus californica Richard Carter 1984-12-18 3862 Riverside 1.1 mi. S of Pinyon Canyon- along Hwy. 74. Comment
  POM11223  Justicia californica E. A. McGregor 1917-3-18 731 Riverside 6 mi., Painted Canyon. Comment
  RSA398814  Justicia californica Robert L. Dressler 1949-3-19 413 Riverside Box Canyon, Orocopia Mts. Comment
  SEINET2163464 Image available Justicia californica Philip A. Munz 1940-3-24 15692 Riverside 3 miles south of Cottonwood Springs, eagle Mountains 460 Comment
  POM230991  Kallstroemia grandiflora Marjorie D. Clary 1936-10-24 2736 Riverside Chuckwalla Valley near Desert Center, North Colorado Desert. 274 Comment
  RSA543307  Keckiella antirrhinoides Steve D. Boyd 1991-3-17 5489 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
  UC620601  Keckiella antirrhinoides I. W. Clokey, E. G. Anderson 1936-4-16 6885 Riverside e of Hemet (hillside along San Jacinto River) 600 Comment
  UCD123738  Keckiella antirrhinoides K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  UCR149864  Keckiella antirrhinoides Scott D. White, Michael Honer 2004-4-6 10046 Riverside Perris/Elsinore Basins, Temescal Valley: just N of the I-15 freeway and east of Indian Truck Trail, S and west of Lee Lake 396 Comment
  POM9667  Keckiella antirrhinoides Philip A. Munz, R. D. Harwood 1920-2-28 3255 Riverside 3 mi W. of Corona. 335 Comment
  RSA401734  Keckiella antirrhinoides N. C. Cooper 1947-4-5 2024 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  NY786515  Keckiella antirrhinoides var. antirrhinoides L. M. Shultz 1980-4-16 4022 Riverside Side canyon of Whitewater Canyon, San Bernadino Mountains 609.6 Comment
  POM21136  Keckiella rothrockii subsp. jacintensis Fordyce Griffiths Jr. 1908-07 s.n. Riverside Tahquitz Valley 2439 Comment
  RSA797607  Keckiella rothrockii subsp. jacintensis Robert F. Thorne, Walter Wisura 1977-9-17 50766 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  UCR139978  Kochia scoparia A. C. Sanders 2004-8-10 28770 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) & south of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  LA45697  Krameria erecta J. A. Ewan; 1931-4-4 4141 Riverside McCoy Mountains Comment
  RSA273332  Krameria erecta J. P. Smith, J. O. Sawyer 1973-6-10 6885 Riverside Joshua Tree National Monument. Comment
  UC1280881  Krameria grayi Frank F. Gander 1938-5-21 5762 Riverside Shaver's Summit Comment
  RSA0056399  Krameria grayi James R. Shevock 1971-5-8 1034 Riverside Near ranger Sta., Joshua Tree Nat'l. Mon. 1036 Comment
  UCR2508  Lamarckia aurea F. M. Reed 1926-3-10 5270 Riverside Riverside 229 Comment
  UCR51954  Langloisia setosissima Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2165 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
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Mar 19 2016
  CAS-BOT-BC166023  Larrea tridentata Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  RSA652036  Larrea tridentata Marion P. Harthill 1971-3-19 19 Riverside Palm Desert. Comment
  RSA662137  Larrea tridentata Carol Zuck 1981-2-15 14 Riverside Junction of Country Club Dr. and Palm Desert Green Dr. Palm Desert. Comment
  UCR16343  Larrea tridentata S. Nelson 1974-4-13 s.n. Riverside Sonoran (Colorado) Desert, [Coachella Valley] 2 mi north of U.S. Highway 10 on Washington St. 153 Comment
  CAS-BOT-BC338915  Lasthenia californica A. C. Sanders; K. Rose 1995-4-5 16372 Riverside San Bernardino Mtn./Coachella Valley: alluvial slopes and foothills S of Mission Creek and E of Hwy 62 700 Comment
  CAS-BOT-BC338928  Lasthenia californica L. R. Abrams 1935-4-7 13667 Riverside Gavilan Hills, 2 mi. S.W. of Perris Comment
  POM361517  Lasthenia californica E. Crow 1929-4-7 310 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  CAS-BOT-BC352912  Lasthenia coronaria John Thomas Howell 1928-3-11 3415 Riverside Morongo Canon, n. Colorado Desert Comment
  POM305812  Lasthenia coronaria Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1047 Riverside Corona-Elsinore. Comment
  HSC92490  Lasthenia glabrata D. Atwood, L. Stritch 1993-4-2 17903 Riverside Santa Rosa Plateau TNC Preserve and adjacent to BLM administrated lands 671 Comment
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May 15 2015
  POM157928  Lasthenia glabrata subsp. coulteri P. A. Munz 1927-5-21 10842 Riverside Head of San Carlos Pass, Anza. 1372 Comment
  POM8238  Lasthenia gracilis P. A. Munz, R. D. Harwood 1920-3-20 3393 Riverside Elsinore. 396 Comment
  RSA691954  Lasthenia gracilis Scott D. White, Michael Honer 2003-4-9 8967 Riverside Hemet Area: Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of 'Tres Cerritos.' Former chicken farm. 473 Comment
  UCR167521  Lasthenia gracilis Scott D. White 2005-3-29 10834 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  SD236281  Lathyrus odoratus John F. Green 2006-5-3 Riverside Peninsular Ranges: French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Los Alamos Road. 402 Comment
  RSA651396  Lathyrus vestitus subsp. laetiflorus Sandy Gray 1981-5-15 27 Riverside Hwy 60 N. Beaumont Bogart State park. 792 Comment
  UC30626  Layia glandulosa H. M. Hall 1899-5-1 1162 Riverside Coyote Canyon San Jacinto Mountains, El Toro Mt., Coyote Canyon Comment
  RSA691061  Layia platyglossa Scott D. White, Michael Honer 2003-4-9 8975 Riverside Hemet Area: Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of 'Tres Cerritos.' Former chicken farm. 473 Comment
  UC30603  Layia platyglossa Geo. R. Hall 1901-3-17 1670 Riverside near Riverside Comment
  UCR214905  Layia platyglossa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37679 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  UCR250572  Layia platyglossa A. C. Sanders 2014-4-18 41035 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, SE of Lee (Corona) Lake 375 Comment
  UCSB18487  Layia platyglossa Smalley, G. 1964-5-9 Riverside State Highway 74, 4.3 miles S from Idyllwild 1371 Comment
  RSA563927  Layia platyglossa subsp. platyglossa M. A. Patten 1993-3-20 s.n. Riverside SW edge of Hemet, vernal pools at the NW corner of Warren Rd. and Stetson Rd., adjacent to Ryan Field. 457 Comment
  CAS-BOT-BC534385  Lemna gibba R. F. Thorne; E. Lathrop 1969-6-6 39344 Riverside Santa Rosa Plateau: Rancho California 609 Comment
  RSA641178  Lemna minor Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38151 Riverside San Jacinto Mountains: San Bernardino National Forest. Lake Fulmor. 1615 Comment
  RSA263667  Lepechinia cardiophylla E. W. Lathrop 1973-6-28 7440 Riverside Main Divide Truck Trail between El Cariso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA594782  Lepidium densiflorum var. ramosum D. L. Banks, Dylan Hannon 1996-5-3 976 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a xeric W facing slope, approximately 350 m SE of the Helipad at the upper camp sites. 539 Comment
  CHSC520  Lepidium flavum M. Anthony 1954-4-15 Riverside Near Joshua National Monument. Comment
  CAS-BOT-BC89439  Lepidium fremontii H. M. Hall 1905-4-1 5844 Riverside Colorado Desert. Canyon Springs. Comment
  RSA522317  Lepidium latifolium Steve Boyd 1989-7-23 3787 Riverside City of Riverside, Santa Ana River, just downstream of old city dump at W extension of Rubidoux Avenue. Comment
  RSA621642  Lepidium latipes var. latipes R. E. Riefner 1998-3-22 98 -193 Riverside Lake Elsinore. Elsinore Trough between Willard and Murrieta Creek. Comment
  SBBG25548  Lepidium pinnatifidum O. F. Clarke 1985-5-13 Riverside San Jacinto River Valley, gun club ponds E of Davis Rd, a short distance N of Lakeview, E of the Bernasconi Hills 426 Comment
  UCR65295  Lepidium strictum Steve Boyd 1989-5-2 3518 Riverside City of Riverside, Gravel driveway of residence at 4863 Rubidoux Avenue. Comment
  JEPS53779  Lepidium virginicum W. L. Jepson 1901-5-25 1457 Riverside Coyote Canyon to Van Deventer Ranch; Santa Rosa Peak Comment
  UCR167863  Lepidium virginicum T. B. Salvato, John F. Green 2004-5-27 645 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  SDSU17495  Lepidium virginicum var. pubescens Jerry Jenkins 2001-3-31 2001 -017 Riverside Santa Margarita Ecological Reserve. Sandy path on east side of river, UTM zone 6, 481850E, 3699100N. UTM transfered to GIS. Comment
  UCR102208  Lepidium virginicum var. pubescens A. C. Sanders, P. MacKay, T. Thomas & O. Clarke 1997-5-4 20691 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  UCR82897  Lepidospartum squamatum A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15806 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  CLARK-A1656-705  Lepidospartum squamatum var. palmeri Theo Glenn 1980-10-22 Riverside Snow Creek 335 Comment
  CAS-BOT-BC274021  Leptochloa fusca subsp. uninervia Lewis S. Rose 1957-1-3 57008 A Riverside La Quinta 15 Comment
  POM313212  Leptochloa panicea subsp. mucronata Malcolm A. Nobs, S. Galen Smith 1948-9-3 489 Riverside Palm Springs. Comment
  SEINET3829011  Leptochloa uninervia Steve Boyd, Orlando Mistretta 1992-1 7050 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  UCR19659  Leptochloa uninervia John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Blythe 76 Comment
  UCR66611  Leptodactylon pungens subsp. hallii H. M. Hall 1901-1 2130 Riverside Peninsular Range; San Jacinto Mountains, Santa Rosa Mountain, dry hillsides of Coyote Canyon 1524 Comment
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Jul 29 2010
  RSA525463  Leptosiphon androsaceus Steve Boyd, D. E. Bramlet 1990-4-29 4509 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  POM13671  Leptosiphon floribundus P. A. Munz 1922-6-27 5859 Riverside Santa Rosa Mountains: Santa Rosa. 2012 Comment
  CAS-BOT-BC227028  Leptosiphon floribundus subsp. floribundus Carl B. Wolf 1936-6-17 7951 Riverside Santa Ana Mts., along Ortega Highway, San Juan Canyon, 5/10 mi. E. of Orange Co. Line 365 Comment
  UCSB26904  Leptosiphon floribundus subsp. glaber Wilken, Dieter 1969-6-30 Riverside Santa Rosa Springs, Santa Rosa Mountains 2377 Comment
  UC129472  Lesquerella tenella H. M. Hall 1905-4-22 5845 Riverside Canyon Springs , Canyon Springs (Colorado Desert) Comment
  UCR41532  Lesquerella tenella A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6057 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  UCR133963  Lessingia filaginifolia Mitch Provance, J. S. Ross 1998-3-27 MOR- 955 Riverside San Bernardino Mtns., Morongo Indian Reservation, road to Lion Cyn., c. 2.1 miles NE of Cabazon 549 Comment
  UCR141240  Lessingia filaginifolia A. C. Sanders, Mike Misenhelter 2004-10-6 28829 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  CAS-BOT-BC339490  Lessingia glandulifera var. glandulifera Marcus E. Jones 1924-8-30 s.n. Riverside Taquitz [Tahquitz] trail Comment
  RSA181938  Lessingia glandulifera var. glandulifera Willard Spence 1960-8-24 583 Riverside 4.7 miles E of Anza on road to Santa Rosa Summit. 1372 Comment
  RSA781835  Leymus condensatus Michael Wall 2011-8-5 611 Riverside Along Bautista Canyon Rd., confluence of unnamed canyon ca. 1.5 miles SE of jct. with Fairview Ave. 629 Comment
  RSA377162  Lilium parryi M. B. Dunkle 1933-7-20 3708 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCR198186  Linanthus bigelovii Michael Honer, L. Hulse 2004-4-2 1884 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains. Blind Canyon, c. 0.5 mi north of Desert Hot Springs 488 Comment
  CLARK-A1528-3469  Linanthus dianthiflorus John C. Roos 1937-4-18 1371 Riverside Snow Creek Comment
  RSA0113512  Linanthus dianthiflorus Lyman Benson 1945-6-29 11617 Riverside San Gorgonio Pass, 5 miles east of Banning. 609 Comment
  SEINET14181904  Linanthus dianthiflorus H. M. Hall April 1903 3793 Riverside Sonoran Zone, vicinity of Riverside. 366 Comment
  JOTR16800  Linanthus dichotomus subsp. dichotomus 1986-4-15 s.n. Riverside Joshua Tree National Park. LOWER COVINGTON FLAT Comment
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Feb 25 2013
  RSA747800  Linanthus jonesii Scott D. White, Justin M. Wood 2009-3-24 12574 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  RSA768413  Linanthus jonesii J. Andre, T. La Doux 2009-2-25 10829 Riverside Big Maria Mountains: along the west side of Highway 95 just south of Black Point, approx. 15 miles north of Blythe 94 Comment
  UCR86865  Linanthus jonesii A. C. Sanders, K. C. Rose 1995-4-27 16727 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
  RSA718866  Linanthus jonesii Michael Honer, L. Hulse 2005-3-8 2039 Riverside Fargo Canyon; first main N-trending fork after entering canyon from bajada. Site of large long MWD aqueduct tunnel tailings pile. 457 Comment
  UC205674  Linanthus jonesii E. E. Schellenger Riverside Colorado Desert Comment
  UC472899  Linanthus lemmonii P. C. Standley 1921-6-16 Riverside Idyllwild San Jacinto Mt. Comment
  UCR19601  Linanthus lemmonii T. W. Minthorn 1926-5-13 s.n. Riverside East of Banning Comment
  RSA690938  Linanthus liniflorus Scott D. White, Michael Honer 2003-5-27 9406 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  UCR171910  Linaria canadensis John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  RSA497946  Linum lewisii Albert J. Perkins 1916-9-15 s.n. Riverside Near summit of Taquitz Mt. Comment
  RSA748289  Loeseliastrum schottii Justin M. Wood 2009-3-26 417 Riverside Thousand Palms, Under Edison powerlines, near intersection of 30th Ave and Via Las Palmas. 61 Comment
  RSA77060  Loeseliastrum schottii F. W. Peirson 1926-2-22 6506 Riverside Thousand-Palms Canyon. 152 Comment
  POM9195  Loeseliastrum schottii P. A. Munz, R. D. Harwood 1920-4-4 3525 Riverside Pass south of Palm Springs. 152 Comment
  CAS-BOT-BC342256  Logfia filaginoides A. C. Sanders; K. Rose 1995-4-5 16387 Riverside San Bernardino Mtns./Coachella Valley: alluvial slopes and foothills S of Mission Creek and E of Hwy 62 700 Comment
  CAS-BOT-BC342259  Logfia filaginoides Lewis S. Rose 1937-4-9 37116 Riverside Palm Springs 137 Comment
  SD137889  Logfia gallica Darin L. Banks, Steve Boyd 1995-5-9 334 Riverside Northwest Palomar Mountains, north of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 730 Comment
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Apr 15 2009
  GMDRC1318  Lomatium mohavense J. Andre 2004-4-24 4276 Riverside Little San Bernardino Mountains: Joshua Tree NP: open Joshua Tree woodland, near roadside 1/2 mi. east of GeoTour Rd. Elev. 4493 ft. 1370 Comment
  UC21232  Lomatium mohavense H. M. Hall 1899-5-26 1184 Riverside San Jacinto Mts., Nigger Jim Hill Comment
  RSA97436  Lomatium vaginatum F. W. Peirson 1922-4-29 2932 Riverside South of Lake Elsinore. 381 Comment
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Dec 8 2013
  LA204614  Lonicera subspicata W. Pequegnat; 1937-9-6 sn Riverside Santa Ana Mountains, Ortega Rd Comment
  UC1929470  Lonicera subspicata Scott D. White, Michael Honer 2003-6-3 9461 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  POM307268  Lonicera subspicata var. denudata Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2118 Riverside Santa Rosa Mountains. Comment
  PASA278  Lonicera subspicata var. johnstonii 1920-6-22 Riverside Dripping Springs, Temecula River 457 Comment
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Jun 24 2016
  RSA784833  Lotus J. D. Olmsted 1959-4-23 453 Riverside Santa Ana Mountains; 1/4 miles west of Olive grove near mouth of Tin Mine Canyon; 5 miles SW of Corona. 396 Comment
  POM12751  Lotus crassifolius P. A. Munz 1922-7-7 6061 Riverside Fern Valley Comment
  HSC85298  Lotus hamatus Steve Boyd 1986-5-7 1843 Riverside Temescal Canyon: terrace escarpment between Horsethief Wash and Indian Truck Trail, S of I-15 [Gavilan Hills] Comment
  UCR78446  Lotus hamatus Scott D. White 1993-4-22 1250 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  UCR165394  Lotus humistratus A. C. Sanders 2005-4-21 29575 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR169469  Lotus humistratus John F. Green 2005-4-28 s.n. Riverside Peninsular Range; Southern Santa Ana Mtns., Santa Rosa Plateau, hills on the south side of Tenaja Rd., between Squaw Mtn. and DeLuz Creek 655 Comment
  SEINET3208896  Lotus nevadensis var. nevadensis G. Goodwin 2012-6-14 3451 Riverside San Jacinto Mountains, south of Banning along highway 243 just north of Vista Grande viewpoint 1550 Comment
  UCR92078  Lotus purshianus Scott D. White 1995-8-23 3587 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  RSA161288  Lotus rigidus Peter H. Raven 1958-5-5 12887 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument Comment
  RSA406794  Lotus rigidus Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA498792  Lotus rigidus Jack Rempel 1934-3-3 s.n. Riverside Berdoo Canyon, Little San Bernardino Mts. 671 Comment
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Aug 5 2015
  UCR137561  Lotus scoparius subsp. brevialatus A. C. Sanders 2004-5-5 27760 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
  SEINET232553 Image available Lotus scoparius var. brevialatus H. A. Heaton 1987-4-11 07 Riverside North of the University California Riverside. East on Blaine north on Belvedire 0.6 miles to the base of Two Trees Can 396 Comment
  CSUSB1244  Lotus strigosus K. S. Gill 1965-4-17 Riverside South side of Highway 60, one mile west of Beaumont. 457 Comment
  UC864941  Lotus strigosus I. W. Clokey and B. C. Templeton 1930-4-9 4662 Riverside n of Banning 1100 Comment
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Mar 13 2011
  UCR111768  Lotus strigosus Mitch Provance 1998-3-18 225 Riverside City of Riverside, Property along the W side of Stater Bros. near the corner of Colorado Ave. and Adams St. 241 Comment
  UCR172194  Lotus strigosus John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  RSA621874  Lotus strigosus var. hirtellus R. S. Woglum 1937-5-22 590 Riverside Santa Rosa Mountains. 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
  RSA49387  Lotus tomentellus P. A. Munz 1949-4-12 13025 Riverside North base of Eagle Mts., Mojave Desert 945 Comment
  RSA508005  Lotus tomentellus Steve Boyd, Carol Boyd, Kyle Boyd, R. Noyes, L. Arnseth 1988-5-28 2303 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA50572  Lotus unifoliolatus E. C. Jaeger 1949-7-24 s.n. Riverside Virgin spring, Santa Rosa mountains Comment
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Nov 6 2011
  UCR22191  Lotus wrangelianus John C. Roos 1952-4-9 5478 Riverside Hill by Fairmont Park, Riverside 259 Comment
  UCR23195  Ludwigia peploides subsp. peploides Jimbo Behrmann 1981-6-5 18 Riverside Santa Ana River Valley, Louis Rubidoux Nature Center, 1.5 mi. on Riverview Drive in Rubidoux 225 Comment
  RSA769615  Lupinus albifrons var. eminens E. W. Lathrop 1974-6-4 7404 Riverside 3 miles southwest of Corona, Cleveland National Forest, Trabuco District 274 Comment
  RSA414839  Lupinus arizonicus A. C. Life 1928-3-17 s.n. Riverside Colorado Desert, Painted Canyon Comment
  RSA663908  Lupinus arizonicus C. R. Annable 1995-3-12 2272 Riverside Mecca Hills, Box Canyon Wash. Hwy 195. Comment
  RSA795737  Lupinus arizonicus Jim Andre 2012-3-18 21286 Riverside Palen Valley; along Rice Road (Highway 177) east of Coxcomb Mountains, 9.6 miles south of Highway 62. 208 Comment
  UCR103558  Lupinus arizonicus George K. Helmkamp, E. A. Helmkamp 1998-1-17 2550 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  RSA0013624  Lupinus bicolor LeRoy Gross, Duncan S. Bell 2013-4-30 6031 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek., Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  UC15933  Lupinus bicolor H. M. Hall June 1901 2026 Riverside s side San Jacinto Mountains (San Jacinto Mountains); s side San Jacinto Mountains 1341 Comment
  SEINET10484859  Lupinus bicolor subsp. marginatus David B. Dunn 1947-3-16 Dunn 2921 Riverside 0.5 mile n of cabazon in banning pass Comment
  RSA195700  Lupinus concinnus subsp. optatus C. R. Gunn 1963-5-29 2630 Riverside Riverside County road R1, 1/2 mile above Fulmore Lake, San Bernardino National Forest, San Jacinto Mountains. Comment
  RSA653421  Lupinus concinnus subsp. optatus Scott D. White 1999-5-24 7388 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
  CAS-BOT-BC216682  Lupinus excubitus subsp. hallii E. W. Lathrop 1965-5-30 5781 Riverside 6 miles W of Murrieta Comment
  RSA33606  Lupinus formosus N. C. Cooper 1944-5-20 1313 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  RSA519402  Lupinus formosus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  SDSU4976  Lupinus formosus Garrison 1962-7-29 Riverside San Jacinto Mountains. 2 miles beyond Black Mountian campground. 2286 Comment
  RSA652184  Lupinus hirsutissimus Jim M. Morrow 1959-5-10 s.n. Riverside Near Teneja road, Vail ranch, appx. 5 mi. South of Murrieta. 677 Comment
  RSA716875  Lupinus hirsutissimus A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25849 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  UCR258631  Lupinus hirsutissimus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7896 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
  UCR2890  Lupinus hirsutissimus Paul W. White 1963-5-11 51163- 14 Riverside Peninsular Ranges/ San Jacinto Mountains, 5 mi. east of Cranston Ranger Station on State Hwy 74 out of Hemet 915 Comment
  RSA413836  Lupinus latifolius subsp. parishii M. B. Dunkle 1933-7-20 3713 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA33568  Lupinus microcarpus var. densiflorus N. C. Cooper 1944-5-5 1201 Riverside Calimesa. 305 Comment
  POM187416  Lupinus polyphyllus var. burkei L. Crutcher 1933-8-22 6 Riverside stream between Tahquitz Valley and Red Tahquitz, San Jacinto Mts. Comment
  POM24955  Lupinus shockleyi Marcus E. Jones 1903-5-10 11561 Riverside Palm Spring. 61 Comment
  RSA562059  Lupinus shockleyi Steve D. Boyd, K. A. Boyd, C. Boyd 1992-4-19 6925 Riverside N end of the Granite Mtns on sandy bajada along poweline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  UCR166019  Lupinus shockleyi 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
  JOTR30920  Lupinus sparsiflorus La Doux, Tasha, Bill Truesdell 2008-4-29 2596 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Steep rocky slopes above side canyon, south of Johnny Lang Canyon (Stop 8) 1219 Comment
  JOTR34070  Lupinus sparsiflorus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2967 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  RSA676293  Lupinus sparsiflorus Scott D. White 2001-4-3 8220 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SD234128  Lupinus sparsiflorus Virginia Pinkus Ryder 1964-3-26 118 Riverside Palm Springs, 1 mile on Palm Canyon Road. 248 Comment
  UC668375  Lupinus sparsiflorus Annie M. Alexander and Louise Kellogg 1941-4-22 2064 Riverside Morongo Valley Gorge 701 Comment
  UCR100086  Lupinus sparsiflorus R. G. Swinney 1967-3-5 55 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  RSA414276  Lupinus sparsiflorus subsp. sparsiflorus E. Crow 1929-2-2 175 Riverside Near Cabazon, NW Colorado Desert Comment
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Mar 13 2011
  POM98002  Lupinus sparsiflorus subsp. sparsiflorus E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains. Comment
  SEINET13198373 Image available Lupinus succulentus A. G. Vestal 1947-3-29 s.n. Riverside Comment
  IRVC29065  Lupinus truncatus June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 366 Comment
  UCR166173  Lupinus truncatus John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  RSA249830  Luzula comosa Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38075 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon 1677 Comment
  CAS-BOT-BC231367  Lycium andersonii 1907-2-12 1203 Riverside Bluffs Ranch, Arroyo Tequesquite Comment
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Sep 3 2017
  JEPS11769  Lycium andersonii W. L. Jepson Oct 22 1912-Nov 7 1912 5240 Riverside Riverside Mts. 45 Comment
  POM80076  Lycium brevipes var. hassei Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  SEINET892346  Lycium chinense O. F. Clarke 1997-1 Riverside Riverside. O.F. Clarke residence, 1012 Spruce Street. (Riverside East) 305 Comment
  JOTR34398  Lycium cooperi Andre, Jim 2012-4-16 20932 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  JOTR32972  Lycium fremontii La Doux, Tasha, A. Miller 2008-10-8 2855 Riverside Joshua Tree National Park. Coxcomb Mountains, north of Colorado River Aqueduct tunnel 325 Comment
  CAS-BOT-BC231495  Lycium torreyi Aven Nelson; Ruth Nelson 1939-3-29 3335 Riverside Hidden Spring (near Mecca) Comment
  UC1595643  Madia gracilis Steve Boyd and Orlando Mistretta 1991-5-9 6186 Riverside lower flank of range along Bedford Truck Trail on ridge between Bedford Cyn. and McBribe Cyn.; Santa Ana Mountains 548 Comment
  SD43520  Malacothamnus fasciculatus Philip A. Munz 1946-10-19 11570 Riverside Chaparral-covered slope of dry disintegrated granite; 3 miles east of Anza. 1219 Comment
  UCR201462  Malacothamnus fasciculatus Scott D. White, Justin M. Wood 2008-7-10 12444 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  RSA0087582  Malacothamnus fasciculatus Edmund C. Jaeger 1949-7-25 s.n. Riverside North side Santa Rosa Mountain. 1646 Comment
  UCR35114  Malacothamnus fasciculatus var. laxiflorus L. B. Ziegler 1977-4-17 565 Riverside hills on W side of San Jacinto Valley 473 Comment
  RSA586843  Malacothrix clevelandii D. L. Banks, Peter Morrell 1995-5-4 0310 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. 732 Comment
  JOTR30960  Malacothrix glabrata La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1935 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  POM305807  Malacothrix glabrata Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1052 Riverside Corona-Elsinore. Comment
  RSA33851  Malacothrix glabrata N. C. Cooper 1944-4-23 1153 Riverside Cabazon 457 Comment
  SBBG66070  Malacothrix glabrata A. J. McClatchie -May-1892 Riverside Elsinore Comment
  UCD116864  Malosma laurina R. Tofsrud 1951-4-25 s.n. Riverside Corona to Elsinore. Comment
  RSA678946  Malus sylvestris Scott D. White, Michael Honer 2003-6-3 9490 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  RSA755271  Malva parviflora Stephen Hill, Kate Kramer 2001-4-27 33476 Riverside Cabazon, Morongo Indian Reservation, at Hadley s Orchard Store, junction of Apache Trail and Seminole Drive, north of Route I-10, Apache Trail Exit, 4 miles E of Banning. 560 Comment
  UCR166541  Malva parviflora Scott D. White, Jennifer H. Jones 2005-4-12 10873 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  UCR173147  Malva parviflora Abby Sirulnik 2000-5-4 26 Riverside Hidden Valley Wildlife Area; 11401 Arlington Ave., Riverside; along the Santa Ana River near La Sierra 244 Comment
  RSA192340  Malvella leprosa E. W. Lathrop 1966-9-14 6585 Riverside 3 miles SW of Murrieta. Comment
  RSA619793  Malvella leprosa A. C. Sanders, K. C. Rose 1998-9-29 22246 Riverside West edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills. Comment
  RSA764877  Malvella leprosa Justin M. Wood 2010-9-8 2596 Riverside Beaumont Badlands: San Timoteo Canyon: Just SE of El Casco Substation along San Timoteo Creek. 640 Comment
  RSA605764  Marah macrocarpa Scott D. White 1996-3-16 3830 Riverside Lakeview Mts, N of Winchester, at Maze Stone Picnic Area. SE-facing slope. 610 Comment
  UCR21950  Marah macrocarpa Steve Boyd 1980-5-11 219 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
  CAS-BOT-BC218947  Marina parryi Lilly H. Kruse 1954-1-18 s.n. Riverside Painted Canyon near Mecca Comment
  UC1979543  Marrubium vulgare Darin L. Banks, Steve Boyd 1995-5-3 230 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of Dripping Springd Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  UCR102813  Marrubium vulgare A. C. Sanders 1997-3-19 20056 Riverside Lake Skinner area, upper Rawson Canyon, west of Black Mountain, along the road from Lake Skinner 549 Comment
  SBBG88003  Matelea parvifolia A. C. Sanders 1986-3-2 6053 Riverside S side of the Chuckwalla Mtns, on the Bradshaw Rd, ca. 2 mi E of the gasline rd 640 Comment
Read comments
Aug 29 2010
  RSA559433  Meconella denticulata Steve Boyd 1992-4-15 6859 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  SD152792  Meconella denticulata Steve Boyd 1992-4-15 6859 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Bluewater Canyon along Bluewater Trail downstream to the confluence with San Mateo Creek. 334 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
  UC1537025  Medicago polymorpha Gordon H. True Jr. 1935-3-18 120 Riverside valley e Citrus Expt. Station; Box Springs Comment
  CAS-BOT-BC271705  Melica frutescens Frank W. Gould 1944-4-5 2233 Riverside 17 miles east of Temecula on Highway 79 Comment
  CLARK-A1528-4725  Melica frutescens John C. Roos 1937-4-18 1360 Riverside San Jacinto Mountains Comment
  JOTR30918  Melica frutescens La Doux, Tasha, Bill Truesdell 2008-4-29 2594 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Steep rocky slopes above side canyon, south of Johnny Lang Canyon (Stop 7) 1208 Comment
  SBBG122770  Melica frutescens A. Parikh 1990-5-8 164 Riverside Motte Rimrock Reserve, W of Perris Valley, 0.6 km S of Cajalco Rd, 1 km E of Old Elsinore Rd 518 Comment
  CLARK-A1528-5177  Melica imperfecta John C. Roos 1950-4-22 4752 Riverside Box Springs Mountains 792 Comment
  RSA0011411  Melica imperfecta Duncan S. Bell, Caitlin Elam 2013-5-21 4967 Riverside On the southern side of West Ridge at the southern end of Strawberry Valley about 1.75 air miles southwest of Idyllwild. 1592 Comment
  SD144118  Melica imperfecta Scott D. White 1997-5-25 5235 Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing 975 Comment
  UCR127334  Melica imperfecta A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25843 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR2555  Melica imperfecta M. F. Barrus 1920-1-27 213 Riverside Box Springs Mtns, Riverside, Sycamore Canyon 396 Comment
  CDA4200  Melilotus indicus Bob Rose 1964-3-11 Riverside IKI Farms, Mecca Heights, ca. 2 miles north of the Salton Sea, Coachella Valley. 0 Comment
  UCR82224  Melilotus indicus J. M. Stewart 1994-5-2 853 Riverside Western Colorado Desert, Coachella Valley, Thermal. Tyler St. and Airport Blvd. Comment
  UCR151039  Mentha Scott D. White 1998-7-31 6935 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  POM48876  Mentha spicata P. A. Munz, I. M. Johnston 1924-7-26 8709 Riverside In San Jacinto Mountains, ca. 7 miles S of Banning. 1067 Comment
  SEINET3005060  Mentzelia albicaulis G. Rink 2011-4-29 10498 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  UCR267889  Mentzelia albicaulis Jim Andre 2013-3-4 23862 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  RSA0123364  Mentzelia involucrata Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9040 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
  RSA440421  Mentzelia involucrata E. C. Jaeger 1922-3-25 755 Riverside Murray Canon, near Palm Springs. 305 Comment
  RSA554206  Mentzelia involucrata Theo Glenn 1991-5-2 91 -29 Riverside McCoy Mtns, NW of Blythe. 350 Comment
  UCD117237  Mentzelia involucrata P. C. Everett 1958-4-29 23009 Riverside U.S. Hwy 60/70, Indio to Blythe, 6.5 miles east of junction with U.S. Hwy. 99. 243 Comment
  UCR217792  Mentzelia involucrata Jim Andre, T. La Doux 2010-2-28 12551 Riverside Lower Colorado River Valley, along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower 83 Comment
  UCR233171A  Mentzelia involucrata Jim Andre, Glenn L. Clifton 2011-2-22 17440 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCSB4219  Mentzelia involucrata Beeks, Richard 1952-4-4 Riverside 7 miles N of Mecca in Box Canyon Comment
  UCR61092  Mentzelia montana Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2266 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  SBBG128616  Mercurialis annua O. F. Clarke 2011-4-10 Riverside O F Clarke residence, 266 Frost Court, E edge of UCR campus, S of the garage 365 Comment
  UCR228259  Microseris douglasii subsp. douglasii A. C. Sanders, T. B. Salvato 2011-4-1 38936 Riverside Peninsular Range, Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  UCR88169  Microseris douglasii subsp. douglasii Karen Kirtland 1992-5-20 s.n. Riverside Perris-Aguanga Basin, San Jacinto River at a planned development called Creekside, east of Dunlap Dr. and north of San Jacinto Ave. 433 Comment
  UCR103488  Microseris douglasii subsp. platycarpha D. E. Bramlet 1993-3-30 2306 Riverside Lake Mathews Reserve, approx 1.98 km east of the intersection of Cajalco Rd. and Sierra Ave., 152 m south of Cajalco Road and 50 m west of the access road to the Black Rocks area 442 Comment
  UCR90774  Microseris douglasii subsp. platycarpha D. E. Bramlet 1994-4-20 2369 Riverside Perris-Aguanga Basin region, Shipley Reserve/SE corner of Lake Skinner Co. Park, beside a large, ephemeral drainage south of the equestriam trail, approx 762 m SE of the park entrance road and 579 m NW of East Benton Road 518 Comment
  UCR135855  Microseris heterocarpa A. C. Sanders 2004-4-20 27576 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
  UCR91288  Microseris heterocarpa Scott D. White, M. Jacobsmeyer 1996-4-20 3975 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  POM19636  Microseris lindleyi Mary F. Spencer 1923-6-9 2169 Riverside Idyllwild. San Jacinto Mt. 1828 Comment
  UCR182357  Microseris lindleyi Mitch Provance 2005-5-17 6556 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  RSA0018764  Mimetanthe pilosa Robert F. Thorne, C. W. Tilforth, J. P. Simon 1969-6-24 38098 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon. 1677 Comment
  RSA0018766  Mimetanthe pilosa Scott D. White, Justin M. Wood 2008-7-8 12376 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  RSA0018778  Mimetanthe pilosa M. Alice King 1893-07 257 Riverside Rayneta [Idyllwild], San Jacinto Mts. Comment
  RSA442705  Mimulus aurantiacus var. puniceus Bonnie C. Templeton 1933-7-3 s.n. Riverside Temecula. Comment
  UC943922  Mimulus aurantiacus var. puniceus H. E. McMinn, M. Van Rensselaer 1945-6-7 1890 A Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 792 Comment
  CLARK-A1528-4236  Mimulus brevipes Carol Ann Simon 1969-5-20 45 Riverside Riverside 274 Comment
  CLARK-A1528-4239  Mimulus brevipes Pete Holliday 1969-5-19 Riverside Box Springs Mountains 371 Comment
  RSA736296  Mimulus brevipes Scott D. White, Justin M. Wood 2008-5-27 12035 Riverside Perris Basin: I-215 freeway, between Clinton Keith and Alamos. 396 Comment
  SDSU10761  Mimulus brevipes T. B. Bruhns 1965-5-22 102 Riverside Campground by Hemet Lake; San Jacinto Mtns. Comment
  UCSC000863  Mimulus brevipes Peter Kamb 1947-6-7 565 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  UCD122517  Mimulus cardinalis R. N. Raynor 1938-6-20 s.n. Riverside Coahuila. Comment
  UC1234769  Mimulus clevelandii Peter H. Raven 1962-5-18 17759 Riverside 2.9 mi s Santiago Peak (Main Divide Truck Trail) 1234 Comment
  POM19196  Mimulus diffusus H. Baer 1923-4-24 s.n. Riverside Rice canyon, Santa Ana Moutains Comment
  RSA614599  Mimulus floribundus A. C. Sanders, Steve Ogg 1994-7-28 15182 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd Bridge 243 Comment
  UCSC000869  Mimulus fremontii Peter Kamb 1948-7-4 1173 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  UCR14560  Mimulus fremontii var. fremontii T. Gull 1974-5-11 s.n. Riverside San Bernardino Mtns., Lower Banning Canyon Comment
  CSUSB888  Mimulus guttatus Rex Sanders 1973-5-13 Riverside Santa Ana Mountains Collected at 2nd creek crossing Los Pinos forestry camp road 0.7 miles from Highway 74 turnoff; Cleveland National Forest, Santa Ana Mountains; 1 meter from stream, 20 meters from road. 609 Comment
  LA209398  Mimulus guttatus Norman C. Cooper; 1944-5-6 1211 Riverside San Bernardino Mountains, Whitewater Canyon 457 Comment
  RSA526135  Mimulus guttatus Steve Boyd, Tim S. Ross 1990-5-11 4648 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA772533  Mimulus guttatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4481 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
  UCR145828  Mimulus guttatus June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UCR232018  Mimulus guttatus John F. Green 2008-4-21 02- 01 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and east of Alabaster Loop 450 Comment
  UC26917  Mimulus pilosus H. M. Hall 1901-7 2586 Riverside Tamarack Valley San Jacinto Mountains 2499 Comment
  RSA763844  Mimulus puniceus Doris Bowers 1972-4-15 1849 Riverside Rancho California area 457 Comment
  SEINET3079830 Image available Mimulus puniceus Ed LaRue 1989-3-30 Riverside Rancho California area, ca. 4 mi W of Temecula, with Ave. del Oro as the N boundary. 381 Comment
  RSA788865  Mimulus suksdorfii Gary D. Wallace 2003-7-8 4037 Riverside Hidden Lake. Comment
  VVC319  Mirabilis bigelovii W. W. Mayhew 1960-3-17 s.n. Riverside Colorado Desert, 4.5 miles NW Desert Hot Springs. 482 Comment
  SEINET186897  Mirabilis bigelovii var. retrorsa P. A. Munz 1940-3-22 15654 Riverside Whitewater Canyon 2 mi N of boulevard to Indio Comment
  SEINET188360  Mirabilis bigelovii var. retrorsa C. L. Hitchcock 1940-4-1 5906 Riverside Joshua Tree NM ; Joshua Tree Natl Monument; 1 mi below Cottonwood Springs Comment
  UC1136596  Mirabilis laevis var. crassifolia R. St. John 1931-3-17 197 Riverside hill N of Corona 310 Comment
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Nov 27 2011
  RSA0027993  Mirabilis laevis var. crassifolia P. Shirokawa 1998-5-15 30 Riverside Cleveland National Forest- Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 808 Comment
  CAS-BOT-BC434814  Mirabilis laevis var. retrorsa Nancy Ryan Zabriskie; Walter Zabriskie 1971-2-15 340 Riverside Southwest-facing slope, North Canyon, Andreas Canyon drainage, E slope San Jacinto Mts. 426 Comment
  CAS-BOT-BC384087  Mirabilis laevis var. villosa Peter H. Raven 1960-3-16 14844 Riverside 2.2 miles west of Desert Center Comment
  OBI29865  Mirabilis laevis var. villosa Melissa Luckow, Rhonda Riggins 1982-4-15 836 Riverside Hwy 371, 1.2 mi N of jctn with hwy 79 in Aguanga Comment
  CLARK-A1528-4225  Mohavea confertiflora John C. Roos 1937-4-28 1287 Riverside Desert Center Comment
  RSA727864  Mohavea confertiflora Naomi S. Fraga, Lisa Rojas 2005-2-10 1359 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCSB17614  Mohavea confertiflora Gerhart, Janet 1963-4-6 Riverside Coachella Canal; siphon #22; 5 mi S of intersection with Salt Creek Wash Comment
  SEINET10898254  Mohavea confertiflora David B. Dunn, Howard Brown 1947-1-12 Dunn 2847 Riverside Pushawalla Canyon, Indio Hills. Along dry canyon side. Comment
  SEINET13764389  Mohavea confertiflora H. M. Hall 1905-4-16 5778 Riverside Canons near Indio Mt. in the Colorado Desert, lower Sonoran Zone. 150 Comment
  RSA0010772  Mollugo verticillata Justin M. Wood, Brandy Wood 2009-7-4 1042 Riverside Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. 250 Comment
  LA62613  Monardella australis subsp. australis Elizabeth McClintock; 1939-9-1 sn Riverside San Jacinto Mountains, along trail to Round Valley Comment
  CAS-BOT-BC215454  Monardella linoides subsp. linoides Philip A. Munz 1938-8-14 15380 Riverside Ridge east of Toro Peak, Santa Rosa Mts. 2286 Comment
  RSA741177  Monardella linoides subsp. linoides Scott D. White, Justin M. Wood 2008-6-17 12179 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UC218113  Monardella linoides subsp. linoides P. A. Munz 1922-6-30 5921 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  RSA450083  Monardella macrantha subsp. hallii J. C. Roos 1962-6-30 s.n. Riverside Sugarloaf, Santa Ana Mountains Comment
  IRVC2057  Monardella nana R. H. Whittaker, W. A. Niering 1963-6-11 SJ 381 Riverside Santa Rosa mountain Road; middle of slope 20 degree E. Peninsular Ranges, Santa Rosa Mountains 1829 Comment
  UC1499913  Monardella nana Elizabeth McClintock 1941-6-8 69 Riverside 3 miles east of Ribboncamp Pines to Palms Highway Comment
  UC25476  Monardella nana H. M. Hall May 1901 1852 Riverside Between Van Deventers and Palm Canyon eastern base of mountains along the borders of the desert, San Jacinto Mountains, Colorado Desert 1219 Comment
  UCR113751  Monardella nana subsp. arida William LaHaye 1999-1 s.n. Riverside Santa Rosa Mtns, Near Santa Rosa Peak Comment
  RSA750273  Monardella nana subsp. tenuiflora Elizabeth McClintock, H. Lewis 1941-6-22 73 Riverside Road to Black Mt. 1.5 miles above Banning-Idyllwild road, just beyond snow gate. Comment
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Mar 23 2014
  RSA750314  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 129 Riverside San Jacinto Mts. Down the west slope trail from Round Valley. Comment
  UC1499838  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-22 131 Riverside a short distance below Keen Camp turn off (on the Idyllwild road); San Jacinto Mts. Comment
  UCR221476  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 114 Riverside Peninsular Range; San Jacinto Mtns., on slope south of Strawberry Creek, and west of Domengonio [Domenigoni] Flats [vicinity of West Ridge, near Camp Emerson & USC Idyllwild campus] 1646 Comment
  UCR221495  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 101 Riverside Peninsular Range; San Jacinto Mtns., Black Mountain, 2 miles beyond the snow gate 2256 Comment
  CAS-BOT-BC349798  Monoptilon bellioides John Thomas Howell 1928-3-11 3419 Riverside Morongo Canon [Canyon], n. Colorado Desert 609 Comment
  HSC49189  Monoptilon bellioides D. L. Goforth 1979-4-11 116 Riverside Box Canyon, 10 mi. E of Mecca on State Rte. 195. 220 Comment
  JOTR16606  Monoptilon bellioides Walters, Jim 1967-3-7 s.n. Riverside Joshua Tree National Park. MIDDLE WILSON CANYON Comment
  POM14301  Monoptilon bellioides P. A. Munz, D. D. Keck 1922-4-9 4831 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  RSA782086  Monoptilon bellioides Duncan S. Bell 2009-3-7 3 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  UCR148469  Monoptilon bellioides 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
  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
  UCD86493  Muhlenbergia andina Peter Kamb 1948-10-31 1283 a Riverside Hall Canyon. San Jacinto Mts. 1645 Comment
  UCR164291  Muhlenbergia asperifolia S. J. Myers 2001-7-16 s.n. Riverside San Jacinto Mtns, Bautista Canyon 878 Comment
  RSA403581  Muhlenbergia microsperma A. Dunn 1932-3-26 s.n. Riverside Box Canyon Comment
  RSA78758  Muhlenbergia microsperma P. A. Munz 1952-4-15 17341 Riverside Canyon 2 miles west of Monument Peak, Joshua Tree National Monument. 1067 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
  UCR42326  Muhlenbergia microsperma N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 176 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  JOTR32417  Muhlenbergia porteri Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 8 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  POM1103  Muhlenbergia richardsonis H. M. Hall 1901-06 2290 Riverside Strawberry Valley 1616 Comment
  SEINET10468382  Muhlenbergia richardsonis A. K. Evans 1976-4-13 Evans 5132 Riverside Desert canyons of Santa Rosa Mountains. Comment
  UCR144134  Muilla maritima Scott D. White, Tasha LaDoux 2000-4-20 7714 Riverside Perris-Aguanga Basin, South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills 671 Comment
  SD87753  Myriopteris covillei Frank W. Peirson 1921-3-22 2331 Riverside Murray CaA'on Comment
  SDSU13517  Myriopteris newberryi W. Miller with C. Mosse 1972-7-11 Riverside Comment
  RSA122612  Nama demissa H. S. Yates 1937-1 6408 Riverside 3 miles N of Palm Springs, San Jacinto Mts. 213 Comment
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Mar 24 2013
  UCR130123  Nama demissa Scott D. White 2001-4-3 8240 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  JOTR33994  Nama demissa var. demissa La Doux, Tasha, M. Harding 2010-4-7 2882 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  UC724376  Nama demissa var. demissa Aven and Ruth Nelson 1939-3-29 3322 Riverside between Mecca and Hidden Springs; between Mecca and Hidden Springs Comment
  POM98790  Nama demissa var. deserti P. A. Munz 1926-1-31 9959 Riverside Dos Palmos [Palmas] Spring. Comment
  UCSB5304  Nama depressa Van Leeuwen, Henry 1957-4-13 Riverside US. 60 near juncture with Cal. 195 Comment
  RSA719037  Nama hispida Michael Honer 2005-3-11 2063 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  CDA2256  Nassella tenuissima R. E. Riefner Jr. 2007-5-26 07 -216 Riverside City of Lake Elsinore, along I-15 north near Main Street. Comment
  RSA593989  Nasturtium officinale D. L. Banks, Elizabeth Hedge Banks 1996-5-2 950 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  SEINET3523241 Image available Nasturtium officinale Diane L. Ill 1985-5-12 40 Riverside Gavilan Hills, Hartford Springs, 1.6 miles south of Cajalco Road on Gavilan Road. Right side of road along Spring. Comment
  UCR116959  Navarretia atractyloides A. C. Sanders, T. B. Salvato 2001-5-3 24110 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR139620  Navarretia atractyloides A. C. Sanders 2004-7-1 28388 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., c. 5 miles due south of Sun City 488 Comment
  POM13068  Navarretia capillaris E. C. Jaeger 1921-06 POM- 1930 Riverside Caramba, San Jacinto Mts Comment
  UCSB42145  Navarretia hamata Roos, John 1965-6-30 Riverside Ortega Highway, Santa Ana Mtns Comment
  JEPS18204  Navarretia hamata subsp. hamata Rimo Bacigalupi with Robbins, Dempster, and G. Bacigalupi Jr. 1956-6-21 5724 Riverside 1 mi s Temecula 304 Comment
  SDSU13600  Navarretia hamata subsp. hamata W. Miller, C. Mosse 1972-7-5 Riverside Road below south gate (20ft). Comment
  RSA464362  Nemacaulis denudata var. gracilis George B. Grant 6718 Riverside Palm Springs. Comment
  UCR282171  Nemacladus glanduliferus A. C. Sanders, Amy Litt, Plant Taxonomy Class 2017-4-8 43204 Riverside Sonoran (Colorado) Desert, near Cactus City Compressor Station, off frontage road south of I-10 and west of Chiriaco Summit 416 Comment
  SEINET10460858  Nemacladus longiflorus var. longiflorus Reed 1925-5-26 Reed 5140 Riverside 762 Comment
  UCR138569  Nemacladus orientalis Steve Boyd, Orlando Mistretta 1986-3-13 1460 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  POM11654  Nemacladus ramosissimus P. A. Munz 1922-5-21 5503 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
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Mar 25 2011
  RSA692242  Nemacladus ramosissimus Scott D. White, Michael Honer 2003-5-27 9407 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  UCR127943  Nemacladus ramosissimus A. C. Sanders 1994-5-30 14610 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  JEPS7671  Nemacladus rubescens Frank W. Peirson 1926-1-31 6486 Riverside about 2 mi from station on Mecca Road, Dos Palmas; Colorado Desert, Dos Palmas Comment
  JEPS1478  Nemophila menziesii W. L. Jepson 1939-4-17 19125 Riverside Corona Comment
  RSA734387  Nemophila menziesii Unspecified 1938-5-26 s.n. Riverside Hurkey Creek Comment
  UCR116966  Nemophila menziesii A. C. Sanders, T. B. Salvato 2001-5-3 24091 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR213310  Nemophila menziesii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37688 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  RSA0037196  Nemophila menziesii Tamara Joy Hanna 1991-5-12 29 Riverside Area of High Country Ranches. From Tamatea Road approx. 100 ft. to dry stream bed, walking northeasterly direction. 1280 Comment
  POM264311  Nemophila menziesii var. integrifolia J. C. Roos 1937-5-10 666 Riverside Lake Elsinore. Comment
  RSA33602  Nemophila menziesii var. integrifolia N. C. Cooper 1944-5-20 1310 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  POM8814  Nicotiana bigelovii var. wallacei Philip A. Munz, R. D. Harwood 1920-5-5 3833 Riverside Near Wineville 457 Comment
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Jun 11 2012
  RSA426702  Nicotiana glauca N. C. Cooper 1943-9-26 1015 Riverside Cabazon. 549 Comment
  CHSC64673  Nicotiana obtusifolia Chris Dietrich; M. Merello, H. Schmidt 1994-4-12 20 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
  JOTR30638  Nicotiana obtusifolia La Doux, Tasha, Erin Babich 2008-4-21 1800 Riverside Joshua Tree National Park. Stop 3-Little San Bernardino Mountains, S of Covington Flat 1290 Comment
  UCSB37378  Nicotiana obtusifolia Roos, John 1966-2-5 Riverside Pushawalla Wash near 1000 Palms, Indio Hills Comment
  UCSB44691  Nicotiana obtusifolia Hibbard, Doug 1977-4-15 Riverside 50 yards to the west of Hwy 74, 3.3 miles from its intersection with Hwy 111 280 Comment
  UC129476  Nicotiana quadrivalvis H. M. Hall 1907-7-2 8007 Riverside vicinity Riverside (Santa Ana River); Santa Ana River 274 Comment
  POM14396  Nolina bigelovii Philip A. Munz, D. D. Keck 1922-4-9 4907 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. 671 Comment
  CAS-BOT-BC131880  Nolina parryi Peter H. Raven 1958-5-18 13002 Riverside Just below [Pinon] Pinyon Flats on State Highway 74, San Jacinto Mountains Comment
  RSA102325  Nolina parryi S. B. Parish, W. F. Parish 1882-06 910 Riverside Coahuilla, San Jacinto Mountains. Comment
  SEINET3412079 Image available Nolina parryi Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28524 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  UCSB24718  Nolina parryi Rieser, R. 1966-5-15 Riverside Pinyon Flats Campground on south side of road 9.0 miles southeast from junction with road to Anza Comment
  CAS-BOT-BC171482  Oenothera californica Jenkins; Street 1955-5-30 1955 Riverside San Jacinto Comment
  JEPS44055  Oenothera californica Carl V. Meyer 1929-6-18 768 Riverside Hemet Valley San Jacinto Mts. (floor) Comment
  UC219588  Oenothera californica subsp. californica P. A. Munz 1922-6-23 5782 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  HSC25079  Oenothera deltoides Richard Spjut 1972-2-7 2174 Riverside Riverside/San Bernardino Cos., Colorado Desert, 4-10 mi. W of Rice along Hwy. from Rice to 29 Palms Hwy. or to Desert Center, N end of the Maria Sand Dunes 305 Comment
  LA206205  Oenothera deltoides Mary Reynolds; 1937-3-23 27 Riverside Palm Springs Comment
  SEINET12189795  Oenothera deltoides J. F. Bright, Wyman, C. 1933-1 8067 Riverside near Palm Springs Comment
  POM355587  Oenothera deltoides subsp. deltoides Malcolm M. Rice 1922-5-5 s.n. Riverside Colorado Desert; White Water. Comment
  UC1234729  Oenothera elata subsp. hirsutissima David P. Gregory 1971-7-16 473 Riverside ca. 1 mi down a side rd to se leaving Hwy 395 ca 4 mi s of Temecula Comment
  RSA0105865  Oenothera elata subsp. hookeri Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge & Santa Ana Riverbed Transect. Comment
  UC1929327  Oenothera hookeri Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10675 Riverside San Jacinto Mountain foothills; Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. Comment
  JOTR35316  Oenothera primiveris subsp. bufonis Kain, Katie, C. Veety 2012-2-29 s.n. Riverside Joshua Tree National Park. Pinto Wash; eastern Eagle Mountains, large wash south of dunes and north of basalt outcrops 320 Comment
  POM85035  Oligomeris linifolia Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  RSA567652  Oligomeris linifolia A. C. Sanders, E. J. Lawlor 1992-4-4 12095 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  UCR112088  Oligomeris linifolia A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23362 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  JEPS65559  Olneya tesota Marjorie Clary 1931-5-31 313 Riverside Mecca, Painted Canyon Road Mecca; , Painted Canyon Road Comment
  SEINET11261874  Oncosiphon piluliferum R. E. Riefner Jr. 2011-5-31 11 -61 Riverside French Valley, immediately NE of Hwy 79 and the intersection with Algarve Ave.; 0 415 Comment
  SEINET848397  Opuntia X occidentalis C. B. Wolf, P. C. Everett 1938-1 3355 Riverside 9 miles fsrom Temecula on raod to Aguanga; fork of Temecula Wash Comment
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Aug 11 2013
  UCR273892  Opuntia basilaris Marc A. Baker, Michelle Cloud-Hughes, Tim Thomas, Alice Karl 2013-9-26 17803 Riverside East Mojave Desert, Chuckwalla Mountains, north side of Corn Springs Wash, 1.1 km east-southeast of Corn Spring, 12.2 km southeast of Desert Center, 70 km west of Blythe 479 Comment
  SEINET9037747 Image available Opuntia basilaris var. basilaris M. A. Baker 2015-1 18307 Riverside San Gorgonio Pass, south base of the San Bernardino Mountains, 17.5km NW of Palm Springs 413 Comment
  UCR68161  Opuntia parryi Marc A. Baker 1987-4-1 7025 B Riverside San Bernardino / San Jacinto Mtns., eastern edge of Banning, just north of Hwy I-10 (Fwy) 671 Comment
  SEINET9192033 Image available Opuntia phaeacantha Marc A. Baker, Michelle Cloud-Hughes 2015-6-23 18358 Riverside 2.5km north of central Banning, 39km NW of central Palm Springs 841 Comment
  RSA20704  Opuntia polyacantha var. erinacea C. B. Wolf 1938-6-11 9419 Riverside San Jacinto Mountains, Palms to Pines Highway, at Ribbonwood. 1067 Comment
  SBBG27016  Orobanche cooperi K. K. Muller 1967-3-20 1383 Riverside 17.5 mi N of Desert Center on rd to Rice Comment
  RSA0066570  Orobanche cooperi subsp. cooperi M. Pijoan 1927-4-9 s.n. Riverside Deep Canyon east of Palm Springs. Comment
  CLARK-A1528-871  Orthocarpus densiflorus Charlotte Stocks 1962-5-14 Riverside Anza Comment
  RSA198927  Orthocarpus densiflorus var. gracilis Robert F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37582 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 671 Comment
  CSUSB852  Oxalis rubra William A. Hunt 1972-5-25 720525 1 Riverside City of Riverside; UCR campus, Picnic Hill 365 Comment
  UC6605  Oxyria digyna H. M. Hall 1897-8-11 794 Riverside n side San Jacinto Mt.; n side San Jacinto Mt.; elevation as 11800 ft 3293 Comment
  UC849842  Oxyria digyna P. A. Munz 1922-9-7 6406 Riverside n side summit of San Jacinto Peak; n side summit of San Jacinto Peak 3276 Comment
  RSA64893  Oxytheca caryophylloides F. W. Peirson 1924-7-29 5019 Riverside 1 miles west of Fullers Mill on Banning to Idyllwild Road, San Jacinto Mts. 1768 Comment
  RSA593784  Oxytheca emarginata Jeri Hirshberg 1995-5-19 279 A Riverside San Jacinto Mountains, Garner Valley. Comment
  SD116585  Oxytheca emarginata Barbara Ertter, Jeffrey Strachan 1980-5-21 3480 Riverside Santa Rosa Mt Road (Forest Road 7S02) 4.5 miles south of Highway 74 (Pines to Palms Highway), 1829 Comment
  CSUSB1064  Paeonia californica I. Rauch 1968-2-15 Riverside Santa Ana Mountains Santa Ana Mountains, Tin Mine Canyon Comment
  RSA652108  Paeonia californica Don Fells 1948-2-15 s.n. Riverside 1/3 mile SE from 6th and California, Norco. 229 Comment
  SEINET6630282 Image available Palafoxia arida Bonnie C. Templeton, I. W. Clokey 1006 Riverside N of Palm Springs 400 Comment
  RSA27576  Palafoxia arida var. arida C. L. Hitchcock 1940-3-29 5848 Riverside 12 miles east of Indio. Comment
  UC166697  Palafoxia arida var. arida S. B. Parish 1907-4-19 6078 Riverside Palm Springs western borders of the Colorado Desert 150 Comment
  UC306389  Palafoxia arida var. arida S. B. Parish 1919-3-27 19194 Riverside Palm Canyon Colorado Desert, Palm Springs 243 Comment
  SBBG94681  Panicum capillare S. D. White 1990-9-25 Riverside Santa Rosa Plateau, ca. 5 airline mi SW of Temecula; T8S, R 3W on line between S 22 and 27 374 Comment
  CLARK-A1528-4784  Panicum hirticaule John C. Roos 1965-9-5 Riverside Comment
  UCR251736  Panicum hirticaule Kristin Forgrave, Joshua Paolini 2013-8-7 029 Riverside Colorado (Sonoran) Desert, Ford Dry Lake, just north of I-10 109 Comment
  VVC699  Panicum miliaceum P. J. MacKay, T. Thomas 1997-2-8 96 Riverside Colorado Desert, Palm Springs, Tahquitz debris basin mouth of Tahquitz Canyon Comment
  CAS-BOT-BC274183  Pappostipa speciosa J. C. Roos 1965-6-13 s.n. Riverside East of Hemet Comment
  CAS-BOT-BC413370  Parietaria floridana Steve Boyd 1986-4-2 1596 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  UCR214275  Parietaria hespera A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37746 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 438 Comment
  RSA543780  Parietaria hespera var. hespera Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6037 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA605789  Parkinsonia aculeata Scott D. White 1996-3-23 3846 Riverside Santa Rosa Hills, SE of Hemet (Loomis property: ''Friendly Hills Ranch''). 595 Comment
  RSA736784  Parkinsonia aculeata Scott D. White, Angelia Carey 2004-7-2 10553 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SEINET13711433  Parkinsonia aculeata J. Adams, J. Adams (Botany) 1965-1 211 Riverside N Part of Palm Springs, on Hwy 111, 800 Ft 244 Comment
  SD113585  Parkinsonia florida Darley F. Howe 1952-4-27 2186 Riverside Box Canyon east of Mecca. Comment
  RSA0054913  Parkinsonia microphylla W. Marquart 1938-3-12 s.n. Riverside Fifteen mi. west of Blythe. Comment
  PASA201  Parosela schottii Stason 1930-3-9 Riverside Painted Canyon Comment
  CAS-BOT-BC355863  Pectis papposa var. papposa Frank W. Peirson 1938-11-12 12636 Riverside Imperial Valley Boulevard, about sea level Comment
  JOTR32612  Pectis papposa var. papposa La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2674 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  UCR241927  Pectocarya A. C. Sanders, John F. Green 2013-3-27 40685 Riverside Peninsular Range, Alberhill, dirt track NE of new section of Nichols Rd. south of Lake St. 433 Comment
  UCR20304  Pectocarya heterocarpa John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  UCR113195  Pectocarya linearis A. C. Sanders 1998-3-11 21675 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  UCR250362  Pectocarya linearis A. C. Sanders 2014-4-9 40993 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.18 km southeast of El Hermano Rd., NW of Corona (Lee) Lake 316 Comment
  CHSC35467  Pectocarya linearis subsp. ferocula James Henrickson 1973-3-18 8596 Riverside 16 (air) miles E of Temecula, 2.9 miles E of Aguanga along Hwy 71. 822 Comment
  RSA689498B  Pectocarya linearis subsp. ferocula Scott D. White 2001-4-19 8374 -B 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
  RSA524232  Pectocarya penicillata Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4026 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR157954  Pectocarya penicillata T. B. Salvato, A. C. Sanders 2005-5-17 915 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
  JEPS20128  Pectocarya platycarpa I. W. Clokey 1935-4-17 6860 Riverside Cottonwood Springs Colorado Desert, Cottonwood Springs Comment
  RSA777853  Pectocarya platycarpa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 843 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  SEINET2042516 Image available Pectocarya platycarpa A. C. Sanders 2001-3-20 23844 Riverside (Desert Hot Springs Quad 7.5') Coachella Valley, Garnet, N side of 19th Ave.; 0.5 mi (airline) NW of intersection of I-10 and Indian Ave. T3S R4E S15, center 235 Comment
  RSA682843  Pectocarya recurvata Scott D. White 2003-3-23 8834 Riverside Santa Rosa Mountains: Desert slope; Hwy 74 near Carrizo Creek crossing. 610 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
  RSA775947  Pectocarya recurvata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 937 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  SEINET3105402  Pectocarya recurvata Faulkner 1978-3-15 277 Riverside 1 mile West Hwy 95; 25 miles N. of Blythe. 152 Comment
  UCR47801  Pectocarya recurvata F. R. Fosberg 1932-3-13 10628 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms Canyon 213 Comment
  RSA40567  Pectocarya setosa J. C. Roos 1947-4-5 3417 Riverside Pinyon Flats, Santa Rosa Mtns. 1220 Comment
  SBBG35234  Pellaea andromedifolia T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  RSA686750  Pellaea andromedifolia var. andromedifolia Christopher Davidson 1977-5-25 5660 Riverside Mesa de Burro Santa Rosa Plateau area of Santa Ana Mountains. 701 Comment
  RSA686927  Pellaea mucronata F. R. Fosberg 1932-1-1 850 Riverside Devils Garden near Whitewater Comment
  UCR162271  Pellaea mucronata S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, Juan Diego Flats on powerline trail west to Reed Valley, NW of Cahuilla Mountain 1244 Comment
  UCR89842  Pellaea mucronata Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3307 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
  UC71513  Pellaea mucronata var. mucronata Miss Alice King Riverside Menefee Comment
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Mar 15 2014
  UC2031360  Pennisetum setaceum Duncan S. Bell with Joella Adkins 2012-11-11 4380 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Mecca Hills: upper branch of Hidden Spring Canyon, approx. 0.6 air miles SE of Hidden Spring and 0.6 air miles S of The Grotto. Comment
  NY1084028  Penstemon X parishii C. B. Wolf 1938-6-11 9416 Riverside San Jacinto Mountains, Palms to Pines Highway, 1½ miles west of junction to Anza 1219.2 Comment
  RSA96915  Penstemon X parishii R. M. Straw 1954-6-10 603 -b Riverside Lake Fulmor. Comment
  UC27413  Penstemon centranthifolius H. M. Hall June, 1901 2276 Riverside vicinity Strawberry Valley (San Jacinto Mountains, Southern California); San Jacinto Mountains, vicin Strawberry Valley 1584 Comment
  UCR169859  Penstemon centranthifolius T. B. Salvato, John F. Green 2004-5-27 586 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
  UC887057  Penstemon grinnellii P. A. Munz 1922-7-8 6062 Riverside Fern Valley San Jacinto Mts. 1767 Comment
  SD119894  Penstemon grinnellii var. grinnellii Louis B. Ziegler 1968-7-17 326 Riverside San Jacinto Mountains; Strawberry Valley, in canyon bottom near the base of Lily Rock. 1950 Comment
  RSA402126  Penstemon labrosus H. E. Hasse 1892-7-4 s.n. Riverside San Jacinto. Comment
  UC1063197  Penstemon spectabilis A. Lewis Mar 1934 321 Riverside Bedford Canyon Cleveland National Forest, Corona Quadrangle Comment
  NY661159  Penstemon spectabilis var. spectabilis P. A. Munz 1923-6-14 7063 Riverside Santa Ana Mountains. Trail, Glen Ivy to Santiago Peak 1219.2 Comment
  RSA0014938  Penstemon spectabilis var. spectabilis LeRoy Gross, Evan Meyer 2013-5-21 6121 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  UCR91662  Penstemon spectabilis var. spectabilis Steve Boyd 1995-4-24 8490 Riverside Peninsular Range, Palomar Range, Agua Tibia Wilderness Area, at NE [SE?] base of Wildhorse Peak, west of Devil's Hole, along the Wildhorse Trail near its gabbro peak known as 'Agua 762 Comment
  POM19632  Pentachaeta aurea Mary F. Spencer 1923-7-27 2211 Riverside Fern Valley 1616 Comment
  UC455814  Pentachaeta aurea I. J. Condit 1910-6-23 Riverside Strawberry Valley San Jacinto Mts. 1524 Comment
  UCR34884  Pentachaeta aurea L. B. Ziegler 1966-6-21 056 Riverside Peninsular Range; San Jacinto Mtns., between Mountain Center and Keen Camp Summit 1448 Comment
  RSA752558  Pentagramma triangularis Justin M. Wood 2009-3-10 345 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  UCR270182  Pentagramma triangularis A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42394 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  RSA0070738  Pentagramma viscosa Scott D. White, Teresa Salvato 2001-6-8 8591 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCR234538  Peritoma arborea L. R. Landrum 1997-1-1 8914 Riverside Sonoran (Colorado) Desert, north of Palm Springs, c. 1.5 miles north of Hwy 10 on road to Joshua Tree National Monument Comment
  CAS-BOT-BC73775  Peritoma arborea var. arborea J. Beley 1974-2-22 73 -641 Riverside 1 1/2 mile east of Cabazon Comment
  SEINET213991  Perityle emoryi Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Ke 1973-3-20 6416 Riverside Big Maria Mts 12 airline mi N of downtown Blythe. 290 Comment
  UCR241548  Perityle emoryi A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40638 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  SEINET10800178  Perityle emoryi Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-20 Holmgren 6416 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe. 290 Comment
  CAS-BOT-BC167763  Petalonyx thurberi Lewis S. Rose 1961-11-24 61065 Riverside La Quinta 15 Comment
  RSA701155  Petalonyx thurberi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11257 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  SEINET218494  Petalonyx thurberi A. J. Breitung 1953-6-12 15525 Riverside Palm Springs. Comment
  UCR266907  Petunia parviflora D. E. Bramlet 2005-7-13 3899 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, Mystic Lake, SW side near duck club, 200 ft. east of South Contour Rd., 4700 ft. north of San Jacinto River 434 Comment
  CAS-BOT-BC326763  Peucephyllum schottii Mrs. John C. Augsbury 1930-2-1 s.n. Riverside Indio Comment
  RSA0042376  Peucephyllum schottii Duncan S. Bell, LeRoy Gross 2014-3-13 6241 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  UCR132750  Peucephyllum schottii Scott D. White 1993-2-5 1045 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
  UCR244317  Peucephyllum schottii Jim Andre 2012-4-16 20892 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
  RSA94106  Peucephyllum schottii F. W. Peirson 1919-4-13 4737 Riverside First canyon S of Palm Canyon near Palm Springs. Comment
  UC665769  Phacelia Ira L. Wiggins 1941-3-27 9704 Riverside slopes 4 mi n Whitewater Comment
  RSA425999  Phacelia ambigua Robert Gustafson 1982-5-19 2562 Riverside Pines to Palms Hwy. (Hwy. 74), between 7-level Hill and Black Hill. Comment
  RSA426003  Phacelia ambigua P. J. Remple 1949-10-12 s.n. Riverside Dead Indian Creek near Palms to Pines Hwy. Comment
  POM145252  Phacelia campanularia McFadden 1928-3-18 s.n. Riverside 15 miles E of Banning, Riverside county. Comment
  RSA427702B  Phacelia campanularia N. C. Cooper 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  RSA0106605  Phacelia campanularia subsp. campanularia Robert F. Thorne 1995-3-29 63030 Riverside White Water Canyon. 600 Comment
  CLARK-A1528-554  Phacelia cicutaria Fred B. Essig 1964-3-14 23 Riverside Arlington 670 Comment
  UC1087288  Phacelia cicutaria var. hispida E. K. Balls and P. C. Everett 1958-3-19 22873 Riverside hills 1 mi e Hwy. 17 to Elsinore 198 Comment
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Mar 1 2014
  UCR174174  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32594 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
  SBBG11802  Phacelia crenulata H. and M. Dearing 1936-12-25 1451 Riverside Thousand Palms Cyn Comment
  JEPS2305  Phacelia crenulata var. ambigua W. L. Jepson 1927-4-12 11648 Riverside Mecca Painted Canyon 76 Comment
  UCR244908  Phacelia crenulata var. ambigua Jim Andre 2012-3-19 21376 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  UCR279512  Phacelia crenulata var. ambigua A. C. Sanders, Jim Malusa 2017-3-27 43113 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
  CAS-BOT-BC133955  Phacelia distans Milo S. Baker 1928-4-3 3310 Riverside Palm canon Comment
  UCR177942  Phacelia distans Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 533 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UCR202041  Phacelia distans Denise Woodard, Gilbert Goodlet 1997-3-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  UCR234299  Phacelia distans A. C. Sanders, John F. Green 2012-4-6 40016 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
  SD255773  Phacelia imbricata Mitch Provance 2012-5-24 512 06 Riverside San Bernardino Mountains; Banning, foothills and alluvial fan near bordeer with Beaumont, NE of the intersection of Highland Springs Ave. and Silson St. 868 Comment
  JEPS2097  Phacelia ivesiana E. E. Schellenger May 1920 Riverside e Coachella; Colorado Desert Comment
  UCR18512  Phacelia lemmonii A. C. Sanders 1980-2-1 391 Riverside Santa Rosa Mtns., Carrizo Creek just off Hwy 74 610 Comment
  OBI6306  Phacelia minor Robert F. Hoover 1969-4-13 11226 Riverside 7 mi NW of San Jacinto Comment
  RSA0037194  Phacelia minor Tamara Joy Hanna 1991-5-4 2 Riverside Area of High Country Ranches. From Terwilliger Road (paved) east on Coyote Canyon Road (dirt) approx. 2 miles. 1219 Comment
  RSA543757  Phacelia minor Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6057 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
  RSA607004  Phacelia minor Leota Brice 1930-4-13 s.n. Riverside Idylwild, San Jacinto Mts. Comment
  UCR250876  Phacelia minor S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1041 Riverside Lakeview Mountains, along powerline access road NE of Juniper Flats Rd. 649 Comment
  GMDRC9803  Phacelia neglecta J. M. Andre 2017-3-1 38019 Riverside Chuckwalla Bench: along Red Cloud Rd, 2.5 mi. SSE of junction Interstate 10, between Orocopia and Chuckwalla Mtns 473 Comment
  UCR214899  Phacelia neglecta A. C. Sanders 2010-3-23 37528 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  CLARK-A1656-680  Phacelia tanacetifolia Milton Walker 1978-3-3 Riverside La Quinta 30 Comment
  CSUSB153  Phacelia tanacetifolia David M. Peterson 1966-3-13 660313 1 Riverside Six miles south of Morongo Valley, on 29 Palms Road. 304 Comment
  UCR75533  Phalaris lemmonii A. C. Sanders 1993-5-12 14001 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  CAS-BOT-BC250618  Phalaris minor John Thomas Howell 1960-3-24 35152 Riverside La Quinta Comment
  CAS-BOT-BC253559  Phleum alpinum Carl B. Wolf 1932-8-5 3956 Riverside 1st real, wet meadow on trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains 2743 Comment
  UC23901  Phlox austromontana H. M. Hall 1898-6-27 949 Riverside El Toro Peak San Jacinto Mts. 2651 Comment
  RSA435581  Pholisma arenarium N. C. Cooper 1946-08 2640 Riverside Joshua Tree National Monument. 1280 Comment
  RSA613892  Pholistoma membranaceum A. C. Sanders 1997-2-8 19683 Riverside Colorado Desert/ San Jacinto Mtns: Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon. 183 Comment
  OBI38805  Phoradendron californicum A. C. Sanders, Pitzer, Charlton, and Kniffen 1986-3-3 6097 Riverside Corn Spring, Chuckwalla Mts 488 Comment
  POM230610  Phoradendron californicum I. W. Clokey 1935-4-17 6575 Riverside Cottonwood Springs. Comment
  RSA703485  Phoradendron californicum LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1465 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UC1078930  Phoradendron californicum Job Kuijt 1958-3-14 1495 Riverside 12.9 mi. s. Palm Desert 1066 Comment
  UCR48559  Phoradendron californicum J. Glazner 1985-4-5 s.n. Riverside Sonoran (Colorado) Desert, Corn Springs. 5 mi. SSE of Desert Center 274 Comment
  UCSB8022  Phoradendron californicum Keefe, Joseph 1967-2-26 Riverside 3.1 miles north of Imperial county line, south of Indio Comment
  POM9802  Phoradendron californicum Philip A. Munz 1921-12-31 4703 Riverside Andreas Canyon. Comment
  JOTR30780  Phoradendron densum La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1890 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 7) Covington Flats near top of Smith Water Canyon 1365 Comment
  CAS-BOT-BC135182  Phoradendron juniperinum Edmund C. Jaeger 1922-6-13 s.n. Riverside E slope San Jacinto Mts. 1371 Comment
  POM2144  Phoradendron macrophyllum I. M. Johnston 1917-12-1 1810 Riverside Santa Ana River, NW of Corona. 183 Comment
  UCR140568  Phoradendron villosum Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 10- 76 Riverside San Jacinto Mtns, San Bernardino National Forest, 2 miles north of Idyllwild on Hwy 243, Site L10 1717 Comment
  CAS-BOT-BC260904  Phragmites australis Aven Nelson; Ruth Nelson 1939-4-1 3370 Riverside Blythe Comment
  CDA41154  Physalis crassifolia T. C. Fuller 1964-4-14 11832 Riverside Bench above wash of Whitewater Canyon, 3.4 miles north of Whitewater. 0 Comment
  SBBG44461  Physalis crassifolia W. B. Holt 1941-10-23 21 -1941 Riverside few mi E of Pinto Basin Comment
  SD111893  Physalis crassifolia Barbara Ertter, Jeffrey Strachan 1980-5-20 3467 Riverside West side Whitewater Hill, east side Whitewater Wash, northwest end of Coachella Valley north of I-10. 456 Comment
  UCR74361  Physalis crassifolia Theo Glenn 1991-5-2 91- 20 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  UCSB6879  Physalis crassifolia Graney, Don 1953-3-21 Riverside 11 miles east of Indio; Colorado Desert Comment
  RSA220955  Pinus coulteri E. W. Lathrop 1966-3-23 6115 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 1220 Comment
  POM46847  Pinus edulis Mary F. Spencer 1924-5-15 2383 Riverside Pipe Creek pr. [near] Kenworthy Comment
  POM11516  Pinus flexilis Philip A. Munz 1922-6-28 5886 Riverside Santa Rosa Mts. Toro Peak. 2439 Comment
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Mar 28 2014
  SD229026  Pinus jeffreyi Dick Schwenkmeyer 2012-8-28 815 Riverside Fuller's Mill camp, 2.6 mi. east of intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  UC1600405  Pinus lambertiana H. M. Hall 2617 Riverside Tauquitz Peak San Jacinto Mts., Tauquitz Peak Comment
  UC64556  Pinus lambertiana H. M. Hall 1901-7-1 2617 Riverside near Tauquitz; San Jacinto Mountains 2438 Comment
  UCR257537  Pinus lambertiana Rudolf Schmid, Mena Schmid 2009-5-1 2009- 3 Riverside San Jacinto Mountains, northeast of Hwy 243 c. 16 km northwest of Idyllwild, in the south unit of the San Bernardino National Forest, on southwest flank of Black Mountain, Black Mountain Trail, uppermost Hall Canyon near Indian Creek drainage 2067 Comment
  RSA651153  Pinus monophylla Peter Gail 1961-5-13 sn Riverside Pinyon Creek State Park. on Palms to Pines Hwy. Comment
  OBI69339  Pinus quadrifolia David Charlton 1988-5-21 1908 Riverside Thomas Mtn Rd, from N to S. W of GarnerValley and S of Lake Hemet on hwy 74 1676 Comment
  SBBG39789  Pinus quadrifolia J. T. Howell 1960-3-24 35150 Riverside rd to Anza just S of Palm to Pines Hwy 1463 Comment
  CAS-BOT-BC170425  Pistacia atlantica A. C. Sanders 1994-5-15 14480 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the east bank of the Santa Ana River 400 Comment
  UCR104804  Pityrogramma triangularis var. triangularis George K. Helmkamp, E. A. Helmkamp 1998-1-7 2559 Riverside San Jacinto Valley, 4.7 mi. SE of Florida Ave. (Hemet) on Bautista Rd. 701 Comment
  UCR107706  Pityrogramma triangularis var. triangularis A. C. Sanders 1997-3-1 19735 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  UCR92693  Plagiobothrys arizonicus A. C. Sanders, E. J. Lawlor, C. L. Sanders 1996-4-21 18068 Riverside S slope of San Bernardino Mtns, Morongo Indian Reservation, grounds of the Malki Museum, NE of Banning. 732 Comment
  UCSB45581  Plagiobothrys canescens Roos, John 1952-4-30 Riverside Hills between Camp Haan and Riverside 518 Comment
  RSA659769  Plagiobothrys canescens var. canescens J. C. Roos 1952-4-30 5605 Riverside Hills between Camp Haan and Riverside 518 Comment
  UC718552  Plagiobothrys collinus Carl B. Wolf 1935-4-7 Riverside 2 mi sw Perris; Gavilan Hills Region 426 Comment
  RSA661316  Plagiobothrys collinus var. californicus Mitch Provance 1998-4-10 410 Riverside E facing slopes of hills at W extreme of Cypress Ave. 305 Comment
  UCR250909  Plagiobothrys collinus var. californicus A. C. Sanders 2014-4-18 41025 Riverside Peninsular Range, Temescal Canyon, hills along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, c. 100 m south of I-15 401 Comment
  RSA92556  Plagiobothrys leptocladus J. C. Roos 1952-5-7 5623 Riverside Flats at Edgemont Comment
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May 21 2011
  UCR97668  Plagiobothrys tenellus A. C. Sanders, G. Helmkamp 1997-3-15 19961 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  RSA234044  Plagiobothrys undulatus R. F. Thorne, E. W. Lathrop 1969-5-12 37931 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  UCR112323  Plantago elongata A. C. Sanders, K. C. Rose 1998-5-21 21862 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  RSA192037  Plantago erecta E. W. Lathrop 1959-3-26 4377 Riverside 18 miles W of Elsinore, Tenaja Guard Station, Cleveland National Forest Comment
  UCR171968  Plantago erecta John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  UCR92096  Plantago erecta Scott D. White, M. Jacobsmeyer 1996-4-20 3948 Riverside Bundy Canyon Road, west of Menifee. c. 4-5 mi west of Interstate Hwy-215 freeway. north of road. 549 Comment
  UCR29821  Plantago ovata George K. Helmkamp 1983-3-24 383- 17 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  RSA278493  Plantago ovata var. fastigiata John F. Emmel 1977-3-28 555 Riverside Large wash just NW of Sand Draw Siphon, ca. 10 air miles W. of Rice, SE Mojave Desert. 274 Comment
  JOTR33741  Plantago patagonica La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2740 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  SD185279  Plantago patagonica A. C. Sanders, J. C. Dice, et al. 1995-3-29 16240 Riverside San Jacinto Mountains; San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Highway 111 and Snow Creek Village. 334 Comment
  UC845549  Platanthera I. W. Clokey and E. G. Anderson 1935-8-21 6561 Riverside Fuller Creek 1500 Comment
  CHSC35880  Platanus racemosa James Henrickson 1972-5-21 7193 a Riverside Ca. 13 air mi. W. of Temecula in Matec Cyn. along Tenaja Rd. in flat area above steep falls along rd; ca. 4 mi. N. of Tenaja Campground. 457 Comment
  UCR142194  Platystemon californicus June Latting 1979-5-4 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 Comment
  UCR49228  Platystemon californicus Steve Boyd 1986-4-2 1606 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA678281  Platystemon californicus var. californicus Michael Wall 2003-4-26 300 Riverside South of Diamond Valley, Northeast of Skinner Reservoir, Rawson Canyon. Off Rawson Road, 2.7 miles from jct. with Washington Ave. off Winchester Rd. 564 Comment
  POM1027  Pleuraphis rigida H. M. Hall 1902-04 2847 Riverside Coyote canyon 152 Comment
  RSA782134  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-18 129 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 96 Comment
  POM14378  Pleurocoronis pluriseta P. A. Munz 1922-4-9 4799 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA779687  Pleurocoronis pluriseta Duncan S. Bell 2010-4-2 698 Riverside Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness., Collecting on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it. 595 Comment
  UCR121696  Poa bulbosa A. C. Sanders 2002-5-4 25042 Riverside San Jacinto Mtns., Idyllwild, Pine Crest Ave., NE of Hwy 243 1677 Comment
  UCR164301  Poa pratensis S. J. Myers 2001-7-16 s.n. Riverside San Jacinto Mtns, Bautista Canyon 878 Comment
  RSA753938  Poa secunda W. Schlegel, Andrew Trouette, Jordan Zylstra 2009-4-16 29 Riverside Idyllwild, Garner Valley Naked Noses. Comment
  CAS-BOT-BC242997  Poa secunda subsp. secunda Frank W. Gould 1943-4-18 2153 Riverside 1 mile W of Banning, in foothills of San Jacinto Mountains Comment
  SD143775  Polygonum aviculare subsp. depressum Scott D. White 1996-12-26 4644 Riverside Perris area, irrigared alfalfa field 424 Comment
  RSA466297  Polygonum bistortoides Anstruther Davidson 1892-7-4 s.n. Riverside San Jacinto. Comment
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Nov 29 2010
  UCR239207  Polypogon australis Steven R. Hill 2001-4-29 33527 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
  RSA736306  Polypogon interruptus Scott D. White, Justin M. Wood 2008-5-13 11953 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  UCR172143  Polypogon monspeliensis A. C. Sanders 2006-5-11 32257 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
  POM13562  Populus fremontii Philip A. Munz, D. D. Keck 1922-4-14 4975 Riverside Whitewater Ranch. Comment
  RSA0036073  Populus fremontii Norman C. Cooper 1943-10-9 962 Riverside Hemet. 304 Comment
  UC494534  Populus fremontii subsp. fremontii Philip A. Munz 1931-3-13 11942 Riverside Blythe Comment
  CAS-BOT-BC356170  Porophyllum gracile A. J. McC. 1892-4-1 109 Riverside Elsinore Comment
  RSA407723  Porophyllum gracile Steve Boyd 1986-5-1 1786 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  RSA4946  Porophyllum gracile C. B. Wolf 1932-4-27 3052 Riverside Colorado Desert, lower end of Lost Palm Canyon, at 1st rocky hills, 1mi off the Mecca-Blythe Road. 244 Comment
  UCR108715  Portulaca oleracea Scott D. White, Pam DeVries 1998-2-9 6076 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  UC420560  Potentilla rimicola F. M. Reed 1908-7-13 2529 Riverside summit of Tahquitz Mt.; San Jacinto Mountains, summit of Tahquitz Mt. 2621 Comment
  SBBG16213  Proboscidea althaeifolia L. Rowntree 1937-11-4 Riverside near Corn Springs Comment
  UCR35825  Proboscidea louisianica Steve Boyd 1984-9-20 s.n. Riverside Perris Basin, Mead Valley, 4.5 mi. NW of Perris, along Cajalco Road, 0.2 mi. east of intersection with Clark Street (= Old Elsinore Road) Comment
  SEINET2045436 Image available Proboscidea parviflora Howard Scott Gentry 1948-6 8181 Riverside Gentry Farm, ca. 3 mi NE of Murrieta. Comment
  SEINET2095798  Prosopis pubescens R. Harms 2003-4-1 Riverside San Andreas Oasis, Dos Palmas Reserve; -15 Comment
  SD230235  Prosopis velutina Louis C. Wheeler 1961-10-8 7933 Riverside Temescal Canyon: at Dawson Canyon Fire Road Comment
  UC219556  Prunus emarginata P. A. Munz 1922-7-6 6032 Riverside between Tahquitz and Round Valley (San Jacinto Mountains); San Jacinto Mountains 2225 Comment
  RSA652820  Prunus fasciculata Colleen Callan 1992-5-2 23 Riverside Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1250 Comment
  UCR19424  Prunus fasciculata Harlan Lewis, Carl Epling 1941-5-2 s.n. Riverside Sonoran (Colorado) Desert, Cottonwood Spring, ['Providence Mtns.' NOTE: The locality data on this specimen is certainly partially incorrect: likely from Cottonwood Spring at the S entrance of Joshua Tree National Park, Riverside Co. The collectors were at Corn Spring, Chuckwalla Mtns on the same date, some of the species collected at Cottonwood Spring are very unlikely to have come from the Providence Mtns: Condaliopsis lycioides & Tetracoccus hallii in particular. Det. by A.C. Sanders, Dec. 1986] Comment
  HSC28422  Psathyrotes ramosissima Richard Spjut 1973-5-2 3340 Riverside Colorado Desert: ca. 5 mi. S of I-10 and ca. 8 mi. E of Desert Center on road to Corn Springs, Chuckawalla Mtns. 305 Comment
  RSA472317  Psathyrotes ramosissima Anstruther Davidson 1921-4-1 s.n. Riverside Palm Springs. Comment
  RSA717617  Psathyrotes ramosissima Scott D. White, Andrea Warniment Edwards 2006-3-22 11269 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  RSA160476  Pseudognaphalium biolettii J. D. Olmsted 1959-4-17 408 Riverside At edge of main knobcone pine grove on NE ridge of Sugarloaf Pk. along Main Divide T.T. ssw of Corona. 1159 Comment
  UCR183017  Pseudognaphalium biolettii Mitch Provance 2003-5-5 4429 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCSB33382  Pseudognaphalium biolettii Marks, R. 1978-3-16 Riverside At top of hill 3/4 mi. W. of orange grove at 3000 McAllister Rd. in Riverside 457 Comment
  UCR268583  Pseudognaphalium canescens Jim Andre 2012-6-15 30548 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  RSA198967  Psilocarphus brevissimus R. F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37579 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  UCR266318  Psilocarphus brevissimus D. E. Bramlet 1991-4-29 2076 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 6.5 km west of Hemet & c. 0.4 km west of intersection of Florida Ave./Hwy 74 & Warren Road 457 Comment
  UCSB3073  Psorothamnus arborescens Eriksen, C. 1954-4-29 Riverside 3 mi. W of Morongo Valley along Hwy. Comment
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Oct 22 2014
  RSA678223  Psorothamnus arborescens var. simplicifolius Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1092 Riverside Mouth of Little Morongo Canyon, , NE of junction of Augusta Avenue and Little Morongo Drive, NW Desert Hot Springs. 412 Comment
  UC64368  Psorothamnus arborescens var. simplicifolius H. M. Hall Jun 1901 2008 Riverside Canyon of the San Jacinto River; San Jacinto Mountains, Southern California 670 Comment
  UCR177407  Psorothamnus arborescens var. simplicifolius John Wear 2004-4-1 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs, 2 acre parcel c. 320 ft. east of intersection of West Vista Chino and Via Norte on the north side of Vista Chino, 310 and 320 West Vista Chino Road 183 Comment
  UCR216244  Psorothamnus arborescens var. simplicifolius Mike Bell 2008-3-19 046 Riverside Sonoran (Colorado) Desert, Coachella Valley; 2 miles west of Desert Hot Springs, north of Pierson Blvd. and west of North Indian Canyon Dr. 396 Comment
  CAS-BOT-BC353621  Psorothamnus emoryi C. B. Wolf 1932-4-26 2697 Riverside Colorado Desert, 3 miles E of Mecca on Blythe Road 0 Comment
  POM310142  Psorothamnus schottii Hulda Crooks 1946-3-2 259 Riverside E of Palm Springs 137 Comment
  RSA654883  Psorothamnus schottii T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 47 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
  SBBG3320  Psorothamnus schottii H. and M. Dearing 1936-12-25 790 Riverside Thousand Palms Cyn Comment
  RSA91438  Psorothamnus schottii F. W. Peirson 1921-4-13 566 Riverside Deep Canyon Wash, about 12 miles SE of Palm Springs. 152 Comment
  RSA125245  Psorothamnus spinosus E. K. Balls, George B. Everett 1957-8-20 22668 Riverside Palm Springs, on S boundary, along rd. to Cathedral City. 91 Comment
  UCSB11923  Psorothamnus spinosus Rensselaer, Maunsell 1945-11-18 Riverside Colorado Desert, dry wash S of Cathedral City Comment
  UC455210  Pterostegia drymarioides I. J. Condit 1910-6-24 Riverside San Jacinto Mts., rd. to Idyllwild Comment
  UCR237627  Pterostegia drymarioides Duncan S. Bell 2010-3-20 608 Riverside Riverside Mountains, in the vicinity of Calzona Mine, c. 2 air mi northeast of Riverside Mountain Peak 232 Comment
  UCR18860  Pulicaria paludosa John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs Comment
  RSA0080589  Pyrola dentata Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1441 Riverside Northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  RSA0083324  Pyrola picta P. A. Munz, I. M. Johnston 1924-7-27 8791 Riverside Dark Canyon, San Jacinto Mountains. 2439 Comment
  UCR158953  Quercus agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31557 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  SEINET10730902  Quercus agrifolia var. agrifolia Andrew Townesmith, Karen M. Meyer; Tracy Scott 2007-3-11 Townesmith 673 Riverside Cleveland National Forest. Along South Main Divide Road, 3.5 miles south of intersection with Route 74 890 Comment
  RSA710402  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner 2005-8-12 31561 Riverside San Jacinto Mtns.: Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat. 1189 Comment
  UCR106880  Quercus berberidifolia Richard Minnich 1997-11-9 s.n. Riverside Box Springs Mountains, N-facing slope in canyon south of Two Trees Canyon & ESE of end of Blaine Street 457 Comment
  UCR174134  Quercus berberidifolia A. C. Sanders, T. B. Salvato 2006-6-2 33082 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
  SBBG44655  Quercus cornelius-mulleri W. B. Holt 1941-10-21 11 -1941 Riverside near Split Rock, Joshua Tree Nat Monument Comment
  SD229175  Quercus cornelius-mulleri Dick Schwenkmeyer 2012-8-6 768 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  UCR94071  Quercus cornelius-mulleri Scott D. White, D. Haselfeld 1996-7-2 4258 Riverside San Jacinto/Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi east of junction with Hwy 371, west-facing slope of Sugarloaf Mountain and adjacent valley 1402 Comment
  CAS-BOT-BC86546  Quercus dumosa E. W. Lathrop 1965-9-22 6020 Riverside 8 miles W of Murrieta. Santa Ana Mts. 609 Comment
  SEINET2066424 Image available Quercus dumosa David Charlton 1988-5-21 1914 Riverside Thomas Mtn.,Road, from N to S, W of Garner Valley and S of Lake Hemet on Hwy 74. 1676 Comment
  UCR66549  Quercus engelmannii P. A. Munz 1946-10-18 11559 Riverside 0.5 mi. south of Sage 716 Comment
  RSA761236  Quercus kelloggii Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 717 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCD63202  Quercus palmeri A. C. Sanders; S. D. Boyd, Mitch Provance, and 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
  SEINET3071475  Quercus turbinella Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17493 Riverside Queen Mountain quadrangle, zone 11 0585690mE 3765105mN NAD83, Desert Queen Mine (McHaney's Mine), 12.5 km SSW of Twenty Nine Palms, 1.3km ESE of Negro Hill 1325 Comment
  UC5701  Quercus wislizeni H. M. Hall 1901-8-5 2618 Riverside s side San Jacinto Mountains 1676 Comment
  UCD135362  Rafinesquia neomexicana William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR72185  Rafinesquia neomexicana Theo Glenn 1992-3-31 92 3 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  RSA607915  Ranunculus aquatilis Louis C. Wheeler 1961-6-24 7910 Riverside San Jacinto Mountains: Fulmor Lake. Comment
  RSA357768  Ranunculus aquatilis var. capillaceus Robert F. Thorne 1973-5-23 43839 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  SEINET7063426  Ranunculus californicus A. G. Vestal 1947-3-30 s.n. Riverside West of Cahuilla Valley on Route 371. UTM Zone 11, 519809mE, 3708775mN. (WGS84/NAD83). 1045 Comment
  POM98006  Ranunculus californicus E. C. Jaeger 1926-3-29 s.n. Riverside Thomas Valley, San Jacinto Mts 1524 Comment
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Mar 16 2013
  UCR154462  Rhamnus californica Jason L. Hlebakos 2005-5-30 804 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UCR249823  Rhamnus crocea T. B. Salvato, John Lovio 2013-3-19 7361 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  UCR111234  Rhamnus ilicifolia Ward B. Holt 1941-10-23 1941- 19 Riverside Southern Mojave Desert, Road to Keys [View] Point, Joshua Tree National Monument Comment
  UCR156283  Rhamnus ilicifolia T. B. Salvato, Kent Beaman 2005-5-16 857 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
  UC456171  Rhododendron occidentale I. J. Condit 1910-6-23 Riverside San Jacinto Mountains 2590 Comment
  UC877123  Rhododendron occidentale I. W. Clokey, E. G. Anderson 1935-8-21 6783 Riverside Fuller's Creek 1500 Comment
  UCSB31577  Rhododendron occidentale Griesel, Wesley 1962-6-29 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  RSA561081  Rhus integrifolia Steve Boyd, Orlando Mistretta 1992-4-22 7001 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
  UCR174320  Rhus laurina A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32555 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
  RSA524472  Rhus ovata Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4076 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA650234  Rhus ovata Richard Phillips 1949-1-14 s.n. Riverside collected on Hwy between Corona and Elsinore. 152 Comment
  RSA696479  Rhus ovata Kenneth Beard 1934-04 s.n. Riverside Mtns. along Ortega Hwy. N. of San Juan hot Springs Comment
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Oct 31 2011
  RSA96230  Rhus ovata E. K. Balls 1954-3-29 18951 Riverside 0.5 mi. form Corona-Elsinore Hwy on S side of road to Glen Ivy Resort, Temescal Canyon. Comment
  UCR26635  Ribes californicum var. hesperium E. W. Lathrop 1966-3-30 6127 Riverside Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso & Santiago Peak 1220 Comment
  RSA191421  Ribes indecorum E. W. Lathrop, Robert F. Thorne 1967-9-26 6599 Riverside 6 mi. NW of Murrieta, Tenaja Road at the pass entering valley leading to Tenaja Guard Station. 610 Comment
  SEINET13942527 Image available Ribes indecorum S. Lambert 1981-1 1911 Riverside San Bernadino National Forest, hwy 74, 6.0 miles W Mountain Center, 3000 feet elevation, streamside 914 Comment
  CAS-BOT-BC168947  Ribes malvaceum A. C. Sanders 1994-1-30 14227 Riverside Box Springs Mountains, rocky N-facing slope, at the head of Two Trees Canyon 685 Comment
  UCR160774  Ribes malvaceum A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19772 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  SEINET13942920 Image available Ribes quercetorum Scott D. White 1995-1 2752 Riverside SW of Juniper Flat Road, USGS Lakeview 7.5' quad., Lakeview mountains About 1900 ft elev. 33 deg. 48' N, 117 deg. 6' W. T4S, R2W, S28 NE 1/4 579 Comment
  RSA282794  Ribes roezlii C. W. Tilforth, B. Busenberg 1980-6-10 1993 Riverside 1/2 mile north of Thomas Mtn Campground, along Thomas Mtn Road, West of Hwy 74 and south of Lake Hemet. 1982 Comment
  SD239844  Romneya coulteri A. C. Sanders, John F. Green 2012-6-1 40222 Riverside Peninsular Range; Santa Ana Mtns. Region: hills between I-15 and Temescal Canyon Rd., 0.22 km south (178a^z) of El Hermano Rd. junction with Temescal Canyon Rd., NW of Lee (Corona) Lake. 324 Comment
  UCR114544  Rorippa nasturtium-aquaticum A. C. Sanders, K. C. Rose 1999-6-18 22812 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  UC1563098  Rorippa palustris Steve Boyd, Tim Ross, Laurel Arnseth 1989-5-7 3553 Riverside marsh in Kolb Creek (just south of lake Vail Lake area); Vail Lake area, pond and marsh in Kolb Creek Comment
  SEINET884347 Image available Rubiaceae G. L. Stebbins, L. T. Dempster 1966-1 4244 Riverside Black Mt. road, 0.9 mi above jct of road to Pine Wood, San Jacinto Mountains 1981 Comment
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Aug 25 2013
  POM1468  Rubus ursinus D. L. Crawford 1916-3-1 s.n. Riverside Santa Ana River Valley. Comment
  UCR90593  Rumex conglomeratus Scott D. White 1995-6-29 3374 Riverside Santa Ana Mtns., Murrieta Creek, NW of Murrieta, upstream from Cole Creek confluence, at Calle de Oso Oro Rd. crossing 351 Comment
  JOTR32378  Rumex crispus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2489 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
  RSA757443  Rumex crispus Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55222 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
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Oct 27 2011
  SD239867  Rumex hymenosepalus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37695 Riverside Peninsular Range: foothills of Gavilan Hills: Temescal Canyon at Alberhill, c. 1/2 mile west of Lake St. on north side of I-15, near Temescal Canyon Road undercrossing, at north edge of Concordia Ranch Road (Alberhill 7.5'Q) 370 Comment
  UCR97506  Rumex hymenosepalus Michael D. Wilcox 1997-1-8 s.n. Riverside In a vineyard c. 2.5 air mi. west of Glen Avon, just east of San Bernardino County line at Milliken Ave. & just south of Riverside Dr. 241 Comment
  UCR167685  Rumex salicifolius T. B. Salvato, Melissa Clemons 2005-6-23 1296 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  RSA444472  Rupertia physodes J. C. Roos 1960-5-30 s.n. Riverside Santa Ana Mountains: Ridge N of Bedford Peak with Calochortus albus, semi shade 1220 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
  UC489199  Sagina saginoides C. V. Meyer 1928-7-26 541 Riverside San Jacinto Mt., Deer Springs 2743 Comment
  POM306692  Salazaria mexicana Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1690 Riverside Near Desert Center. Comment
  RSA401571B  Salazaria mexicana Jeannette B. Edge 1934-3-30 s.n. Riverside Morongo Valley. 762 Comment
  RSA82186  Salazaria mexicana Emma Mundy 1921-3-22 4484 Riverside Andreas Canyon, near Palm Springs. Comment
  CAS-BOT-BC129744  Salix bonplandiana C. L. Hitchcock 1966-3-15 24153 Riverside 1 mi. e. of Glen Ivy Hot Springs Comment
  SBBG58881  Salix exigua F. R. Fosberg 1932-3-13 8083 Riverside Thousand Palms Cyn Comment
  UC1979594  Salix exigua D. L Banks, Steve Boyd 1995-3-16 0091 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. Comment
  UCR128251  Salix exigua A. C. Sanders, Kelly Volansky 2003-10-16 27341 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  SDSU12996  Salix exigua var. hindsiana Michael G. Simpson 1999-10-27 2026 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  CAS-BOT-BC108145  Salix gooddingii A. C. Sanders 2004-5-12 27866 Riverside Elsinore Basin Region: Walker Canyon at north foot of Alberhill Mountain, Temescal Creek 377 Comment
  UCR91497  Salix gooddingii Scott D. White 1995-4-5 2719 Riverside San Jacinto Valley, San Jacinto Wildlife area, near northern boundary, off Davis Rd. 427 Comment
  CAS-BOT-BC108215  Salix hindsiana Mrs. H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  POM319275  Salix laevigata Patricia Wilder 1971-3-20 4909 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  UCR156099  Salix laevigata T. B. Salvato, Kent Beaman 2005-5-16 840 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
  UCR164069  Salix laevigata John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, Los Alamos Canyon 1.5 mi. SW of Los Alamos Ranch, just outside Cleveland Nat. Forest boundary 564 Comment
  SDSU12975  Salix lasiolepis Michael G. Simpson 1999-10-27 2042 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UCR121088  Salix lasiolepis A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24972 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR154454  Salix lasiolepis A. C. Sanders, Mike Misenhelter 2005-6-15 30965 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR232060  Salix lasiolepis John F. Green 2008-4-23 07- 07 Riverside Peninsular Range, hills south of Perris, powerline route above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 439 Comment
  UCR270567  Salix lasiolepis John F. Emmel 1998-5-2 1546 Riverside San Jacinto Mtns., SW foothills, Bautista Canyon, 0.8 road mile SE of national forest boundary 729 Comment
  SD175812  Salsola australis D. G. Kelch 2006-12-8 06 524 Riverside Santa Rosa Plateau, roadside. Comment
  RSA775607  Salsola paulsenii Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 1000 Riverside Iron Mountains, on southwest side of mountains in wash 423 Comment
  RSA496388  Saltugilia australis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3065 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  RSA0094960  Saltugilia australis Steve Boyd, Tim Ross 1992-5-15 7395 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. 671 Comment
  UCSB31640  Saltugilia splendens Griesel, Wesley 1962-6-29 Riverside Dark Canyon, San Jacinto Mountains 1920 Comment
  SEINET3225666 Image available Salvia apiana C. L. Hitchcock 1940-4-12 6045 Riverside 8 mi. northwest of Elsinore. 460 Comment
  UCR234759  Salvia apiana A. C. Sanders, John F. Green 2012-6-25 40314 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near Hostettler Rd. south of I-15, narrow canyon draining from vicinity of Palomino Creek Dr. at end of Calendula St. 387 Comment
  UCR262279  Salvia apiana A. C. Sanders 2006-5-13 32280 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  POM13283  Salvia apiana var. compacta P. A. Munz 1922-6-26 5828 Riverside Southern Slope of Santa Rosa Mts. 1707 Comment
  JEPS62549  Salvia carduacea W. L. Jepson 1901-5-17 1252 Riverside San Jacinto 487 Comment
  UC2030038  Salvia clevelandii James Henrickson 1979-4-7 17816 Riverside ca. 18 miles NW of Borrego Springs, SE of Terwilliger, in upper Coyote Canyon, north of Fig Tree Canyon. Comment
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Apr 13 2017
  RSA524579  Salvia columbariae Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4126 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
  SDSU7474  Salvia columbariae J. Godsil 1953-3-20 583 Riverside Hwy to 29 alms; Johua National monument. Comment
  SEINET1004378  Salvia columbariae T. B. Salvato, Kent Beaman 2005-1 850 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundry and N of Ca hwy 74. 549 Comment
  UC987819  Salvia columbariae Reid Moran 1941-5-5 843 Riverside e of Quail Spring; Joshua Tree National Monument 1300 Comment
  RSA651033  Salvia dorrii Edward Kai 1970-5-21 s.n. Riverside Idyllwild; off Hwy 74. 1220 Comment
  JEPS62716  Salvia eremostachya M. F. Gilman 1921-1 710 Riverside Pinyon Flat Pinyon Flat, Santa Rosa Mts.; Santa Rosa Mts. Comment
  UC883901  Salvia eremostachya B. D. Stark 1933-4-2 Riverside 3 mi below Pinyon Flats (Palms to Pines Rd); San Jacinto Mts. 1066 Comment
  UCR4451  Salvia eremostachya Frank C. Vasek 1960-3-24 600324- 28 Riverside Santa Rosa Mtns., Palms-to-Pines Highway, 4.8 miles east of Pinyon Flat [near Dos Palmas Spring] at a long wide turnoff on north side of road 1067 Comment
  UCLA31073  Salvia greatae H. and M. Lewis 1955-3-15 Riverside on road to Clemens Well (about 3 mi e of aqueduct, near railroad crossing) Comment
  SEINET11587887  Salvia mellifera T. Salvato, Marcs, Rari 2016-4-26 8358 Riverside Santa Ana Mountains Comment
  SEINET12872696  Salvia mellifera A. Sanders, Crain, J. 2015-4-3 41557 Riverside Santa Ana Mountains Comment
  POM159833  Salvia mohavensis E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains. Comment
  CAS-BOT-BC224853  Salvia pachyphylla H. M. Hall 1897-8-1 s.n. Riverside San Jacinto Mt. Comment
  RSA0099994  Salvia pachyphylla Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8576 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  SBBG54328  Salvia pachyphylla C. Davidson 1978-6-15 7382 Riverside rd from Hwy 74 to Santa Rosa Spgs Cmpgrd 2087 Comment
  POM4133  Salvia pachyphylla subsp. pachyphylla E. E. Schellenger 1901-07 s.n. Riverside Toro Mtn. Comment
  UC111323  Salvia vaseyi S. B. Parish 1907-4-22 6164 Riverside Palm Springs Western edge of the Colorado desert 60 Comment
  UCR198162  Salvia vaseyi Michael Honer, L. Hulse 2004-4-3 1894 Riverside Colorado Desert, Little San Bernardino Mountains, nameless canyon c. 1 mi west of Pushawalla Canyon, leading up to MWD aqueduct 488 Comment
  POM88191  Sambucus caerulea P. A. Munz, I. M. Johnston 1924-7-29 8888 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  RSA765048  Sambucus mexicana Doris Bowers 1972-4-15 1853 Riverside Near SBCM dig on Pulgas Creek Rd., Rancho Calif. 396 Comment
  UCR260518  Sambucus nigra subsp. caerulea T. B. Salvato 2014-5-28 8000 Riverside Perris-Aguanga Basin, Menifee, west side of Byers Rd between Wickerd Rd and Adjer St. 0.75 mi northwest of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.1 mi southeast of Canyon Lake Comment
  RSA192211  Sanicula bipinnatifida E. W. Lathrop 1959-4-2 4414 Riverside Cleveland National Forest, Trabuco District, Tenaja Guard Station, slopes of Tenaja Canyon. Comment
  POM306143  Sarcodes sanguinea Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1334 Riverside Santa Rosa Mountains. Comment
  UCR163082  Sarcostemma hirtellum B. G. Pitzer 2000-5-7 4139 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
  UCR42486  Sarcostemma hirtellum J. Hogan 1975-5-20 149 Riverside Mojave Desert, 3.5 mi. west of Pinyon Well, Pushawalla Canyon, Joshua Tree National Monument 1100 Comment
  UCR1225  Saxifraga californica Martha McCarthy 1960-3-27 s.n. Riverside Santa Ana, 1/2 mi west of Teneja Road, 12.0 mi from jct with Washington Ave, Murrieta Comment
  RSA778559  Schismus David J. Keil 1983-4-15 16908 Riverside East of Temecula on SR79 Comment
  UCR136599  Schismus barbatus June Latting 1958-4-6 s.n. Riverside Sonoran (Colorado) Desert, highway to Morongo Valley, 6 miles north of Hwy 60, near Desert Hot Springs 488 Comment
  UCR226784  Schismus barbatus Jim Andre 2011-2-9 15905 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
  SEINET10519169  Schismus barbatus A. K. Evans 1976-4-13 Evans 5131 Riverside Desert canyons of Santa Rosa Mountains. Comment
  POM78931  Schoenoplectus acutus var. occidentalis I. M. Johnston 1925-7-7 5283 Riverside Santa Ana River ca. 3 miles S of Wineville [Mira Loma Station]. 183 Comment
  UCR240997  Scrophularia californica Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 17 Riverside South Coast/Peninsular Range, Riverside, Sycamore Canyon, near the entrance to the park 396 Comment
  UCR91461  Scrophularia californica Scott D. White 1995-3-30 2674 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  UCSB33326  Scutellaria siphocampyloides Gliessman, Stephen 1968-7-18 Riverside along Saunders Road; 0.5 mile north of junction with Idyllwyld Road; San Jacinto Mountains 1600 Comment
  CAS-BOT-BC62086  Selaginella eremophila C. F. Saunders 1903-3-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  POM12933  Selaginella watsonii Philip A. Munz 1922-6-27 5869 Riverside Toro Peak, Santa Rosa Mountains 2529 Comment
  POM180258  Selaginella watsonii Louis Cutter Wheeler 1931-10-3 176 Riverside Tahquitz Peak, San Jacinto Mts. 2621 Comment
  SD82568  Selaginella watsonii Louis C. Wheeler 1931-10-3 Riverside San Jacinto Mountain, Tahquitz Peak 2620 Comment
  JEPS30620  Senecio californicus Donald Kyhos 1958-4-4 58 -94 Riverside 8 mi e Cabazon; Stubby Canyon Comment
  UCR136000  Senecio californicus Virginia Moran 2003-3-12 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  SD144485  Senecio californicus var. californicus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19878 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Black Mtn.along the road. 518 Comment
  POM320363  Senecio flaccidus var. douglasii Patricia Wilder 1971-11-17 5347 Riverside Along the Santa Ana River at end of Pedlay Sreet, north of Norco. 198 Comment
  UC64814  Senecio flaccidus var. douglasii E. E. Schellenger 1904-10-15 42 Riverside between Cabazon and Whitewater Comment
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Mar 13 2011
  UC35969  Senecio flaccidus var. douglasii H. M. Hall Aug 1899 Riverside Comment
  UC496515  Senecio flaccidus var. monoensis Philip A. Munz 1932-10-16 12840 Riverside Palm Creek Santa Rosa Mts. 1463 Comment
  HSC82753  Senecio mohavensis Christopher Davidson 1979-4-4 7728 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  RSA444579  Senecio mohavensis B. Roy 1988-2-21 2- 21 -88 Riverside Cahuilla County Park, near Indio down 58th Street from intersection with Monroe St. On granite outcrop due S of park headquarters and just outside its boundaries. 15 Comment
  RSA726570  Senecio mohavensis Naomi Fraga, Lisa Rojas 2005-2-10 1410 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  RSA796750  Senna armata Jim Andre 2012-4-11 20839 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit. 624 Comment
  RSA0123107  Senna covesii Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9014 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA487822  Sesbania exaltata A. C. Sanders 1988-11-6 8736 Riverside Coachella Valley, W side of Hwy 86, 6.25 mi. S of its junction with hwy 111 in Coachella and 3.85 mi. n of Valerie Jean, 0.55 mi. N of ave 60. -11 Comment
  UCR48501  Sesuvium verrucosum Steve Boyd 1986-4-19 1714 Riverside Peninsular Range, Temescal Canyon, Warm Springs Valley, Alberhill Creek east of Nichols Road 366 Comment
  UCR207321  Setaria viridis O. F. Clarke 2001-6-10 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  RSA433906  Sidalcea malviflora Robert Gustafson 1983-4-18 2508 Riverside Clinton Keith Road, about 3 miles from its junction with Hwy. 15, eastern slopes of the Santa Ana Mts. 549 Comment
  RSA618412  Silene antirrhina D. L. Banks 1997-5-5 1964 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UCR22167  Silene antirrhina Steve Boyd 1980-4-27 134 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  RSA586929  Silene gallica D. L. Banks, Steve Boyd 1995-5-3 0295 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA192157  Silene laciniata subsp. major E. W. Lathrop 1966-5-15 6301 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  UCR201999  Silene verecunda 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
  UCR225163  Silene verecunda subsp. platyota Steve Boyd, Gary Wallace 2005-7-30 11641 B Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  RSA597462  Simmondsia chinensis Louis C. Wheeler 1959-12-27 7651 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  RSA0021297  Sisymbrium altissimum Duncan S. Bell, Keir Morse 2013-3-30 4662 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
  RSA586302  Sisymbrium altissimum D. L. Banks, S. D. Boyd 1995-5-3 213 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
  UCR47266  Sisymbrium erysimoides A. C. Sanders 1987-4-7 7045 Riverside City of Riverside, Vacant lot on north side of Spruce Street, between Rustin Ave. and Canyon Crest [now Watkins] Dr. 305 Comment
  UCR150017  Sisymbrium irio Scott D. White, Angelia Carey 2004-5-7 10338 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR41557  Sisymbrium irio A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6013 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping sta