Search Results — 2000 specimen records retrieved (1885 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR123794  Abies concolor Steven R. Hill, K. Kramer and family 2001-4-26 33472 Riverside San Jacinto Mtns., San Jacinto Wilderness west of Palm Springs, trails south of visitor building at terminus of Palm Springs Aerial Tramway; vicinity of Long Meadow and higher ridges 2591 Comment
  CAS-BOT-BC229316  Abronia villosa Ynez Whilton Winblad 1937-2-15 s.n. Riverside Near Palm Springs Comment
  RSA461032  Abronia villosa Aloys Nicholson 1930-4-6 s.n. Riverside 1000 Palms. Colorado Desert. Comment
  SBBG69829  Abronia villosa M. N. Ackley -Mar-1922 711 Riverside Murrieta Hot Springs 398 Comment
  RSA0103442  Abronia villosa var. aurita Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8560 Riverside Garner Valley; west side of the highway, approximately 3.75 air miles southeast of Lake Hemet. 1370 Comment
  RSA615321  Abronia villosa var. aurita Scott D. White 1997-5-25 5221 Riverside Bautista Canyon: Along Bautista Canyon Rd., less then 1.3 road miles NW of Hixon Tralhead (USFS NO. 2E43) 701 Comment
  RSA0029326  Abronia villosa var. villosa Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4685 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  RSA0031614  Abronia villosa var. villosa Jim Andre 2013-3-27 24791 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi south of Rice (Hwy 62). 241 Comment
  UCR40263  Abutilon theophrasti Steve Boyd 1985-9-23 1189 Riverside Boyd residence, Good Hope Valley area, west of Perris. 488 Comment
  UC1128721  Acacia greggii H. S. Yates 1936-4-7 5438 Riverside Willlis Palm 243 Comment
  UC604867  Acacia greggii Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9563 Riverside Mecca Hills 2 mi up Painted Canyon; Mecca Hills Comment
  RSA416162  Acamptopappus sphaerocephalus var. sphaerocephalus Bonnie C. Templeton, I. W. Clokey 1930-4-9 1052 Riverside North of Palm Springs. Colorado desert 400 Comment
  UCR18592  Acer negundo John C. Roos 1952-6-25 5790 Riverside Thickets at W end of Fairmont Park, Riverside 260 Comment
  RSA314173  Acer negundo subsp. californicum Walter Wisura 1983-11-12 3949 Riverside Along trail above Morris Ranch Rd., above Garner Valley, San Jacinto Mtns. Comment
  RSA761867  Achillea millefolium Peter Guiden, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 82 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA559928  Achyrachaena mollis Steve Boyd 1992-4-18 6897 Riverside Paloma Valley betweeen Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd. and Scott Rd. Comment
  JOTR31233  Achyronychia cooperi La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2017 Riverside Joshua Tree National Park. Pinto Basin; (Stop 6) sandy wash leading to Pinto Wash 354 Comment
  SD37813  Acmispon argophyllus var. argophyllus Edith A. Purer 1935-4-21 6475 Riverside Near Palm Springs, western edge of the Colorado Desert Comment
  JOTR34168  Acmispon glaber var. brevialatus Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 125 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Pinyon Well; Riparian area near small series of active springs and seeps (Stop 2) 1182 Comment
  UCR256896  Acmispon grandiflorus var. grandiflorus LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6156 Riverside Peninsular Range; San Jacinto Mtns., Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley 1799 Comment
  RSA0125413  Acmispon heermannii var. heermannii J. R. Bruff 1928-4-5 209 Riverside Between Wiley Well and Beals Well. Comment
  UCR265594  Acmispon strigosus Jordan Zylstra 2014-3-18 14004 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  CAS-BOT-BC30915  Adenophyllum porophylloides R. S. Ferris; Rimo Bacigalupi 1958-3-19 13234 Riverside Gully ca. 0.5 mi. S of Styx siding near Midland, Rice to Blythe Road Comment
  UCR21920  Adenostoma fasciculatum Steve Boyd 1980-5-11 248 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
  RSA650373  Adenostoma fasciculatum var. fasciculatum Jim M. Morrow 1959-5-24 s.n. Riverside Edge of Ortega Hwy, near Elsinore, Cleveland Nat. Forest. 457 Comment
  CAS-BOT-BC139870  Adenostoma sparsifolium Navin 1890-1-1 s.n. Riverside San Jacinto Mts. Comment
  CLARK-A1528-806  Adenostoma sparsifolium Richard A. Minnich 1968-4-14 12 Riverside San Jacinto Mountains 1341 Comment
  RSA102323  Adenostoma sparsifolium S. B. Parish, William F. Parish 1881-07 552 Riverside San Jacinto Mountains. Comment
  RSA297387  Adenostoma sparsifolium Larry E. DeBuhr 1972-3-24 532 Riverside Santa Rosa Mountain, on forest road 7S02; abundant at lower elevations. 1646 Comment
  RSA596113  Adenostoma sparsifolium D. L. Banks 1996-11-7 1200 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church., At the end of the main road in the Reservation, 150 m E of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 579 Comment
  UC1334754  Adenostoma sparsifolium R. S. Woglum 1937-10-20 1185 Riverside Santa Rosa Mts. Comment
  UC186704  Adenostoma sparsifolium S. B. and W. F. Parish July, 1881 552 Riverside San Jacinto <Ms.> Comment
Read comments
Mar 1 2011
  RSA543836  Adiantum jordanii Steve Boyd, Orlando Mistretta 1991-5-22 6289 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  SEINET5641187  Agave deserti var. deserti Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28527 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1234 Comment
  RSA674563  Agoseris grandiflora Scott D. White 2000-5-31 7985 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  CAS-BOT-BC249029  Agrostis A. C. Sanders; Mitch Provance 2008-7-11 35808 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  SD181781  Agrostis pallens Scott D. White, Sandy Leatherman 2000-5-31 7986 Riverside Santa Ana Mountains/Santa Rosa Plateau, near Squaw Mountain, series of unpaved roads on east- and north-facing slopes; Wildomar [quad]. Uncommon in mesic grassland. 640 Comment
  SEINET14046490  Agrostis pallens S. D. White, M. Honer, D. Hannon 2003-6-24 9586 Riverside Near Rainbow Valley; mountains W of I-15 freeway and immediately N of San Diego Co. border. 335 Comment
  UCD98018  Allionia incarnata Geoffrey Levin 1976-3-27 689 Riverside Chino Canyon. West of Palm Springs. Alluvial fan of San Jacinto Mts. Salton Sea Basin. Colorado Desert. 396 Comment
  JEPS61479  Allium denticulatum Marjorie D. Clary 1932-5-12 1590 Riverside Lost Horse Canyon Colorado Desert, Lost Horse Canyon 1219 Comment
  CAS-BOT-BC469251  Allium fimbriatum var. fimbriatum Peter H. Raven 1958-5-18 12984 Riverside Pinon Flats, San Jacinto Mountains Comment
  SD130878  Allium fimbriatum var. munzii Craig Reiser 1991-4-25 Riverside Gavilan Plateau, south edge of Harford Springs Park, south of Ida Leona Road, east of Gavilan Road. Rocky opening in chaparral. (IPB 2/08) Comment
Read comments
Apr 2 2011
  CAS-BOT-BC131980  Allium haematochiton Ynez Whilton Winblad 1937-4-19 s.n. Riverside Between Beaumont and Redlands Comment
  POM230625  Allium haematochiton I. W. Clokey 1935-4-18 6555 Riverside Gavilan Peak 600 Comment
  RSA585734  Allium haematochiton Darin L. Banks, Steve Boyd 1995-5-9 0397 A Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  UCR225670  Allium marvinii Steve Boyd 2010-5-16 12275 Riverside San Jacinto Mountains, Northwestern base of San Jacinto Mountains along Highland Springs Ave, 1.5 mi south of Breckenridge Ave, City of Banning 732 Comment
  UCR2748753  Allium marvinii Youssef C. Atallah 2016-4-27 s.n. Riverside San Bernardino Mtns. Foothills, Banning, Bluff St., c. 1 mile beyond the end of San Gorgonio Ave., c. 2.1 miles north of I-10 Fwy 883 Comment
  RSA574725  Allium munzii Steve Boyd 1982-3-28 s.n. Riverside Gavilan Hills region, Temescal Canyon, south slope of Alberhill Mountain just east of extensively mined area. 427 Comment
  UCR64626  Allium munzii B. C. Templeton, C. B. & I. W. Clokey 1930-4-15 1477 Riverside Gavilan Hills, near Gavilan Peak, west of Perris 400 Comment
  UCR139151  Allophyllum 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
  SEINET2444454  Allophyllum glutinosum Leigh A. Johnson 1997-4-25 97 -054 Riverside San Bernardino Natl. Forest, Cahuilla Mtn. Along road to Cahuilla Mtn. trail. 1300 Comment
  CAS-BOT-BC170129  Alnus rhombifolia Lewis S. Rose 1938-2-1 38003 Riverside Whitewater 213 Comment
  POM123325  Alnus rhombifolia Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA704852  Alnus rhombifolia J. B. B. 1934-6-18 535 Riverside Snow Creek; base of San Jacinto. Comment
Read comments
Feb 16 2013
  UCR95252  Aloe saponaria D. L. Banks, E. H. Banks 1996-5-2 952 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
  CLARK-A1528-1389  Amaranthus albus John C. Roos 1937-8-17 1220 Riverside San Jacinto Comment
  UCR40101  Amaranthus blitoides Steve Boyd 1985-7-30 1046 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 7.8 - 10 mi. west of Rancho California Comment
  RSA356654  Amaranthus californicus R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 47308 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  SD146064  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23080 Riverside San Jacinto Mountains; McMullen Flat at Valley High County Park, 0.7 mile southeast of Highway 74 on Twin Pines Ranch Road. 1029 Comment
  RSA653329  Amaranthus cruentus Mitch Provance, A. C. Sanders 2000-7-4 2088 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  CLARK-A1528-1397  Amaranthus fimbriatus John C. Roos 1946-9-14 3019 Riverside Asbestos Mountain 1097 Comment
  RSA0020466  Amaranthus fimbriatus Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6032 Riverside Chuckwalla Mountains; about 0.25 air mile southeast of Corn Spring. 480 Comment
  UCD97223  Amaranthus fimbriatus B. Pitzer 1997-10-19 3354 Riverside N foot of Chuckwalla Mts, Eagle Mtn Rd on S side of Hwy I-10, ca. 0.8 mi. S of Hwy at powerline rd. 499 Comment
  CDA23709  Amaranthus palmeri T. C. Fuller 1962-10-3 9705 Riverside South side of 32nd Avenue, 0.6 mile east of Ludy Boulevard, road to Ripley, 3.9 miles north of Palo Verde, Palo Verde Valley. 0 Comment
  UCR92618  Amaranthus palmeri Scott D. White 1995-8-18 3558 Riverside Just west of Hemet at SE margin of Lakeview Mts, north of Florida Ave. 485 Comment
  UCSB45946  Ambrosia acanthicarpa Roos, John 1965-9-26 Riverside Hemet Valley, San Jacinto Mtns. Comment
  CAS-BOT-BC22583  Ambrosia dumosa Donald W. Kyhos 1960-3-26 60 -17 Riverside Whitewater Canyon Comment
  CDA9976  Ambrosia dumosa A. C. Browne 1957-4-6 s.n. Riverside 6 miles east of Indio. 0 Comment
  CHSC95389  Ambrosia dumosa C. Spurrier; Way, M. J. 2001-6-14 6 Riverside Riverside County. Big Morongo Canyon Preserve, Kickapoo trail, 5.6 km north of State Water Company Entrance. 595 Comment
  JOTR28960  Ambrosia dumosa La Doux, Tasha 2005-3-30 1196 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  LA202894  Ambrosia dumosa W. B. Welch; 1928-5-5 sn Riverside Travertine Rock near Salton Sea Comment
  LA202898  Ambrosia dumosa F. R. Fosberg; 1932-3-13 8071 Riverside Coachella Valley, Thousand Palms Canyon Comment
  LA31364  Ambrosia dumosa Jane Turner; Barbara Whitesel, Virginia Sjaholm 1959-3-21 C- 177 Riverside Morongo Wash Comment
  POM198001  Ambrosia dumosa Joseph A. Ewan 1932-4-8 7029 Riverside Seven Palms near Garnet Comment
  UC1539707  Ambrosia dumosa Chas. B. Fiker 1946-4-18 3417 Riverside w side Colorado Desert Comment
Read comments
Mar 23 2014
  UC1922419  Ambrosia dumosa Naomi Fraga, Lisa Rojas 2005-2-10 1415 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  UCR238482  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 168 Riverside Sonoran (Colorado) Desert, McCoy Wash, north of Hwy I-10, road north from Black Rock Road, south side of private land boundary 244 Comment
  SDSU6286  Ambrosia ilicifolia D. F. Howe 1960-4-28 2191 Riverside Chuckalla Mts. Comment
  JOTR34297  Ambrosia salsola Andre, Jim 2012-4-11 20707 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  OBI40187  Ambrosia salsola N. Miles Fellows 1984-3-20 4 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mtns., 1 mi W of Snow Crk Village 488 Comment
  SEINET2052885 Image available Ambrosia salsola John Adams 1966-3-12 457 Riverside Hwy 74 2 mi. above Palm Desert. 609 Comment
  UCD128883  Ambrosia salsola William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  SEINET10797875  Ambrosia salsola David B. Dunn 1947-3-16 Dunn 2920 Riverside Found 1/2 mile west of Cabayon in Banning Pass. Comment
  JEPS35491  Amorpha californica var. californica W. L. Jepson 1901-5-25 1446 Riverside Santa Rosa Indian Village Santa Rosa Mts. 1981 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
  CAS-BOT-BC168085  Amsinckia intermedia A. C. Sanders; Guy Bruyea 2004-4-2 27406 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  RSA0089632  Amsinckia intermedia D. L. Banks 1997-3-1 1387 B 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
  UCR117406  Amsinckia menziesii A. C. Sanders, Carolyn Washburn 2001-5-10 24228 Riverside Perris-Aguanga Basin region, S of Hemet near North Domenigoni Hills, Domenigoni Parkway at MWD Canal 451 Comment
  UCR91472  Amsinckia menziesii Scott D. White, M. Jacobsmeyer 1996-4-20 3977 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  RSA0091460  Amsinckia tessellata R. F. Thorne, R. Carolin 1967-3-21 41634 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  RSA562064  Amsinckia tessellata Steve Boyd, Carol Boyd, Kyle Boyd 1992-4-19 6919 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  RSA0091429  Amsinckia tessellata I. M. Johnston 1917-4-4 989 Riverside Mouth of Andreas Canyon. 244 Comment
  CHSC100  Amsonia tomentosa M. Anthony 1954-4-14 Riverside Near Joshua Tree National Monument. 762 Comment
  RSA760320  Anagallis arvensis Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55220 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  SDSU14315  Anagallis arvensis Joel Tracey 2002-4-20 11 Riverside Santa Margarita Ecological Reserve, 0.3 mileseast from parking area intersecting Santa Margarita River and Northside Field Station road, on north side of river. Large pool abuting low angle slab. 255 Comment
  UCSB57881  Anemopsis californica Thorne, Robert 1973-5-23 Riverside Santa Rosa plateau-Mesa de Colorado; Grassy margin of small stream N of mesa 609 Comment
  JOTR31993  Anisocoma acaulis La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2223 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  UC29527  Antennaria rosea H. M. Hall 1897-7-22 718 Riverside Round Valley San Jacinto Mt., Round Valley 2834 Comment
  CHSC1688  Antirrhinum coulterianum E. Thomas 1940-5-26 Riverside Temecula Canyon. Comment
Read comments
Mar 27 2011
  RSA425776  Antirrhinum coulterianum Ora M. Clark 1929-3-16 1686 Riverside Near Cabazon, Colorado Desert. Comment
  UC310279  Antirrhinum coulterianum Philip A. Munz 1925-5-20 9844 Riverside Aguanga Valley Comment
  UCD123440  Antirrhinum coulterianum R. S. Woglum 1937-5-22 535 Riverside Temecula. Comment
  CAS-BOT-BC218516  Apiaceae Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mountain, a short distance below summit Comment
  UC1537171  Apiastrum angustifolium Gordon H. True Jr. 1935-3-11 90 Riverside Mockingbird Canyon 457 Comment
  UCR174458  Apiastrum angustifolium A. C. Sanders 2006-5-19 32388 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
  RSA0037318  Arabis holboellii John F. Emmel 1993-5-30 1262 Riverside San Jacinto Mts.; along Pacific Crest Trail 0.3-0.6 mile SE of Fobes Saddle. 1859 Comment
  RSA27929  Arabis perennans C. L. Hitchcock 1940-4-1 5918 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  RSA66701  Arabis perennans F. W. Peirson 1919-4-13 660 Riverside Along the Tahquitz creek, East of Palm Springs, Riverside. Comment
  UCR59532  Arabis pulchra Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3568 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  UC6053  Arceuthobium campylopodum H. M. Hall July 1901 Riverside San Jacinto Mtns 1615 Comment
  UCR26440  Arceuthobium campylopodum A. C. Sanders, J. A. Harpel 1981-8-26 2331 Riverside Santa Rosa Mtns., Virgin Spring 2348 Comment
  RSA629139  Arctostaphylos Jon E. Keeley 1992-7-16 16562 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA797287  Arctostaphylos drupacea C. H. Tingley 1928-5-13 s.n. Riverside San Jacinto Mountains. Comment
  CAS-BOT-BC23115  Arctostaphylos glandulosa subsp. glandulosa H. M. Hall 1901-7-1 2419 Riverside San Jacinto Mts. In open forersts of Tauquitz Valley 2560 Comment
Read comments
Sep 12 2019
  CAS-BOT-BC23121  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1931-5-30 6610 Riverside Santiago Peak, Santa ana Mts. Comment
  RSA629470  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16839 Riverside Hwy 243, 38 km N of Idyllwild. 1485 Comment
  UC21900  Arctostaphylos glandulosa subsp. zacaensis H. M. Hall 1901-6-11 2054 Riverside vicinity of Chalk Hill San Jacinto Mountains 1584 Comment
  POM367258  Arctostaphylos glandulosa var. adamsii Jean Carnine 1932-3-28 s.n. Riverside San Jacinto Mountains. Comment
  RSA631803  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20166 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 6 km south of Pinyon Pines, Santa Rosa Mountains. 1585 Comment
  RSA632251  Arctostaphylos glauca Jon E. Keeley 1974-6-6 4092 Riverside Past Agunga [Aguanga?] across from ranch with blue fish sign. 60 Comment
Read comments
May 16 2016
  RSA632644  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16578 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA736549  Arctostaphylos glauca Scott D. White, Angelia Carey 2004-7-2 10584 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SDSU17428  Arctostaphylos glauca C. Matt Guilliams 2007-8-2 394 Riverside Temescal Valley, west of Interstate 15. Along Cleveland National Forest margin in east-west trending ravine, on shaded north-facing slope. Housing development in progress. Ravine near intersection of McVicker Canyon Park Road and Gateway Rd. 630 Comment
  UC1979624  Arctostaphylos glauca D. L Banks, Steve Boyd 1995-3-30 0121 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. Comment
  RSA633613  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21759 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA633763  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21800 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  CAS-BOT-BC46600  Arctostaphylos patula E. K. Balls 1949-5-4 13483 Riverside 2 mi. w. of Fuller Creek Camp Ground, San Jacinto Mts. 1493 Comment
  CAS-BOT-BC44333  Arctostaphylos pringlei subsp. drupacea H. M. Hall 1901-6-1 2092 Riverside San Jacinto Mts. 1524 Comment
  RSA126698  Arctostaphylos pringlei subsp. drupacea P. H. Raven 1959-5-18 14243 Riverside Lake Fulmor, San Jacinto Mountains Comment
  RSA679988  Arctostaphylos pringlei subsp. drupacea LeRoy Gross, Firoozeh Navid-Ara, Valerie Soza 2003-6-23 1120 Riverside Black Moutain Road (4501), southeast of Black Mountain and northwest of Fuller Mill Creek. 2012 Comment
  RSA635782  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16531 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  RSA635794  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16825 Riverside Idyllwild, saunders Mdw. Rd., E of Hwy 243, San Jacinto Mtns. 1610 Comment
  RSA635808  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16547 Riverside Red Mountain Road, 9.5-10.3 km east of R3. 1050 Comment
  RSA636009  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19556 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636181  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19540 Riverside W of Temecula, N-facing slopes off Carancho Rd., 6 km NW of De Luz, eastern Santa Margarita Mtns. 440 Comment
  UCR209400  Arctostaphylos rainbowensis Fred M. Roberts, Robt. L. Allen 2008-2-23 6709 Riverside Santa Ana Mountains, Rancho California, vicinity of Santa Rosa Plateau, Rancho California Road c. 2.2 km by road east Jefferson Ave. in Temecula 419 Comment
  SD137698  Argemone munita Darin L. Banks, Peter Morrell 1995-5-4 305 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, north of the Wildhorse Trail. 622 Comment
  JOTR35938  Aristida adscensionis De Groot, Sarah J., Evan Meyer and Abby Hird 2013-3-23 6886 Riverside Joshua Tree National Park. north and northwest part of Lost Palms Oasis 960 Comment
  UCD56536  Aristida purpurea var. fendleriana F. M. Reed 1933-5-31 7921 Riverside soutthern California, Santa Rosa Indian Reservation, near bridge on Palms to Pines road. Comment
Read comments
May 1 2011
  JOTR38425  Aristida purpurea var. nealleyi Hodges, Stephen, A. Ingersoll 2015-8-26 653 Riverside Joshua Tree National Park. Queen Mountains, Wonderland of Rocks, Barker Dam. Comment
  SD247281  Aristida purpurea var. nealleyi A. C. Sanders, Jim Malusa 2015-3-10 41372 Riverside Sonoran (Colorado) Desert: north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial gunnery Range (East of Red Canyon 7.5'Q) 609 Comment
  RSA757729  Aristida purpurea var. parishii LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4354 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UC573790  Aristida ternipes var. hamulosa H. S. Yates 1937-6-27 6710 Riverside Lower San Jacinto River Canyon San Jacinto Quadrangle 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
  UCR106922  Artemisia californica D. L. Banks, L. Raz 1996-11-5 1146 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, south of San Gabriel Church; along a newly established firebreak along a NW-SE running ridgeline, near the water tank in section 34 421 Comment
  CAS-BOT-BC90419  Artemisia douglasiana H. A. Zuill 1966-7-26 301 Riverside about 7.5 miles SW of Murrieta Comment
  UCR163793  Artemisia douglasiana 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
  UCR195800  Artemisia ludoviciana subsp. albula Jim Andre, T. La Doux 2007-9-6 8704 Riverside Little San Bernardino Mountains, Joshua Tree National Park, dirt road to Lost Horse Ranger Station, below Hemmingway Buttress 1237 Comment
  UCR97265  Artemisia ludoviciana subsp. albula Bern Schwenn 1994-9-18 s.n. Riverside Little San Bernardino Mtns., E end of range to SW of Pleasant Valley, on summit of Bernard Peak 1646 Comment
  UC449647  Artemisia palmeri F. M. Reed 1905-9-28 Riverside Santa Ana River bottom 243 Comment
Read comments
Sep 10 2008
  UCR100165  Artemisia tridentata Scott D. White 1992-12-16 982 Riverside Vail Lake area, c. 9 air mi east of Aguanga (junction of Hwys 371 & 79) & 3 air mi north of Beauty Mtn Peak. 1372 Comment
  UC111252  Asclepias californica H. M. Hall Apr. 1897 Riverside Temecula Ck. Nigger Jim Canyon Comment
  UCR43756  Asclepias californica A. C. Sanders, B. Pitzer 1986-4-30 6488 Riverside San Jacinto Mtns, head of Bee Canyon along Bee Canyon Road, 1.7 mi. above mouth of canyon at the San Jacinto River Valley. 795 Comment
  RSA779723  Asclepias subulata Duncan S. Bell 2009-3-8 91 Riverside Arica Mountains: west side of mountain range in main western drainage approximately 2.5 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 420 Comment
  SBBG58651  Asclepias subulata R. H. Nordhoff 1940-11-10 609 Riverside Thousand Palms Cyn Comment
  RSA690945  Aster ascendens Scott D. White 2003-10-9 9820 -A Riverside Pine Cove area. Dutch Flat. 1753 Comment
  SEINET898556  Astragalus acutirostris Annie M. Alexander, Louise Kellogg 1941-1 2126 Riverside 13 miles southwest of 29 Palms, Joshua Tree National Monument. 1372 Comment
  CAS-BOT-BC177465  Astragalus aridus H. M. Hall 1905-4-1 5826 Riverside Near Indio 0 Comment
  POM266080  Astragalus bernardinus C. L. Hitchcock 1940-4-3 5942 Riverside Between Cottonwood Springs and Pinto Basin. Comment
  SD119377  Astragalus bicristatus Reid Moran 1973-7-28 21111 Riverside On north slope of Toro Peak, Santa Rosa Mountains. 2310 Comment
  UCR146120  Astragalus bicristatus Michael Denslow, M. W. Denslow Sr., Naomi Fraga, Valerie Soza, LeRoy Gross, Firoozeh Navid- Ara 2003-7-16 1460 Riverside Peninsular Ranges; San Jacinto Mtns, Santa Rosa Mountains, along 7S02 Road above Virgin Spring 2379 Comment
  UCD104705  Astragalus didymocarpus Steve Boyd; Tim Ross, Laurel Arnseth 1989-4-1 3185 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 487 Comment
  UCR22080  Astragalus didymocarpus var. obispoensis Steve Boyd 1980-5-3 182 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  POM19604  Astragalus douglasii var. parishii Mary F. Spencer 1923-6-29 2194 Riverside Idyllwild 1646 Comment
  UC397248  Astragalus douglasii var. parishii Ivan Johnston Apr 4 1917-Apr 6 1917 113 Riverside Colorado Desert , Andreas Canyon (Andreas Canyon, Southern California) Comment
  CAS-BOT-BC182947  Astragalus filipes Philip A. Munz 1937-5-31 15125 Riverside Kenworthy, San Jacinto Mts. 1371 Comment
  RSA736309  Astragalus gambelianus Scott D. White, Justin M. Wood 2008-3-25 11785 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  CAS-BOT-BC186905  Astragalus insularis var. harwoodii A. C. Sanders 2010-3-15 37392 Riverside Sonoran (Colorado) Desert: pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  LA102293  Astragalus insularis var. harwoodii John C. Roos; 1958-3-15 Riverside Chuckwalla Mountains, 3 miles SE of Desert Center Comment
  UCR161367  Astragalus lentiginosus var. coachellae Mark A. Elvin 2005-4-25 4217 Riverside Northern Sonoarn Desert, Coachella Valley; N of Palm Springs; N of 110; south of Dillon Road; east of Indian Avenue 244 Comment
  CAS-BOT-BC187172  Astragalus lentiginosus var. fremontii Annie M. Alexander; Louise Kellogg 1941-5-4 2112 Riverside Joshua Tree National Monument 1249 Comment
  UCR198172  Astragalus lentiginosus var. variabilis Michael Honer, Dave Silverman 2005-3-18 2100 Riverside Sonoran (Colorado) Desert, Palen Valley, c. 3 mi due east of Desert Center Airport 134 Comment
  POM24215  Astragalus pachypus var. jaegeri S. B. Parish 1880-06 1134 Riverside 5 miles south of Temecula Comment
  JOTR35206  Astragalus palmeri Harding, Mitzi, Tasya Herskovitz 2011-4-28 183 Riverside Joshua Tree National Park. Lost Horse Valley, just southwest of Real Hidden Valley parking area, along climbers access trail past Houser Buttress 1280 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
  CAS-BOT-BC194134  Astragalus pomonensis L. R. Abrams 1935-4-7 13661 Riverside 1 mi. west of Val Verde, Gavilan Hills Comment
  CAS-BOT-BC194144  Astragalus pomonensis Marcus E. Jones 1926-5-29 s.n. Riverside South of Temecula Comment
  CAS-BOT-BC194171  Astragalus pomonensis Scott D. White; Julie Greene 1997-3-12 4778 Riverside Near I-215 Freeway, S of Perris and N of Menifee, low hills E of Bavaria Dr., Sun City - Perris Basin 487 Comment
  RSA415652  Astragalus pomonensis I. W. Clokey, C. B. Clokey, B. C. Templeton 1930-4-15 4634 Riverside Perris to Gavalian Peak 600 Comment
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Nov 8 2011
  SBBG3239  Astragalus pomonensis H. and M. Dearing 1939-4-5 3089 Riverside above Hemet Valley on Beaumont Rd Comment
  UC1922058  Astragalus pomonensis Scott D. White, Angelia Carey 2004-4-5 9979 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  UC55779  Astragalus pomonensis H. M. Hall Apr., 1903 3815 Riverside vicinity Riverside; vicinity of Riverside 304 Comment
  CAS-BOT-BC17418  Athysanus pusillus H. M. Hall 1897-2-27 367 Riverside Rawson. Comment
  UCR106421  Athysanus pusillus George K. Helmkamp, A. C. Sanders 1997-3-15 1488 Riverside Skinner Lake, Grassland at base of Bachelor Mtn. and adjoining chapararal. 488 Comment
  RSA516912  Atrichoseris platyphylla Steve Boyd, Orlando Mistretta 1986-3-13 1454 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA778111  Atrichoseris platyphylla Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 925 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  SD212554  Atriplex canescens A. C. Sanders, J. Andre, et al. 2005-2-26 29128 Riverside Sonoran Desert; southeast of Highway 177 toward dunes above Palen Dry Lake, southeast end of Coxcomb Mountains. 167 Comment
  UC850752  Atriplex canescens Ivan Johnston Apr 4 1917-Apr 6 1917 1033 Riverside near Palm Springs; Colorado Desert Flora, near Palm Springs 182 Comment
  UCD97299  Atriplex canescens L. S. Rose 1935-12-19 s.n. Riverside Colorado Desert, Palm Springs. 138 Comment
  UC850848  Atriplex canescens subsp. canescens Carl B. Wolf 1932-10-13 4324 Riverside ne side Salton Sea (Durmid, ne side of S.P.R.R. Tracks, Colorado Desert); Colorado Desert, ne side Salton Sea, Durmid -60 Comment
  UCR256950  Atriplex canescens var. laciniata Duncan S. Bell 2012-4-5 3306 Riverside Sonoran (Colorado) Desert, Palen sand dunes on the southwest side of the Palen Mountains at the south end of Palen Valley and the northwestern part of Chuckwalla Valley; c. 6.75 air miles directly north of Hell 137 Comment
  JEPS90679  Atriplex coronata var. notatior D. Bramlet 1991-6-1 2182 Riverside 1.4 km w of Nuevo (and some 10 m s of the end of 12th Street, some 17m e of San Jacinto River); San Jacinto crownscale 473 Comment
  OBI17358  Atriplex coronata var. notatior Robert F. Hoover 1968-1 Riverside Comment
  RSA0092691  Atriplex coronata var. notatior D. E. Bramlet, Michelle Balk, R. E. Riefner Jr. 2006-4-3 3924 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: west Hemet area, north of Stetson Ave. and east of the EMWD canal. 456 Comment
  RSA537269  Atriplex coronata var. notatior D. E. Bramlet 1991-5-10 2148 Riverside 6.5 miles west of hemet, approximatly 500 m south and west of the ntersection of Warren and Florida (Hwy 74) and 80 miles east of the MWD San Diego Canal. 457 Comment
  UCR70540  Atriplex coronata var. notatior D. E. Bramlet 1991-6-1 2175 Riverside San Jacinto Valley, San Jacinto River, c. 1.6 km west of Nuevo & 67 m north of end of 11th St.; about 10 m east of the river 473 Comment
  UCR103481  Atriplex davidsonii D. E. Bramlet 1995-6-21 2442 Riverside San Jacinto Valley, San Jacinto Wildlife Area, Lovell Unit. The site is located 1.4 km east of Davis Road and 152m south of the existing access road. the site is 579m north of San Jacinto River Channel 435 Comment
  SD248393  Atriplex elegans var. elegans R. E. Riefner Jr. 2013-8-17 13 190 Riverside City of Lake Elsinore, along Collier St. and Hwy 74 S to Temescal Wash. 392 Comment
  CLARK-A1528-2520  Atriplex hymenelytra John C. Roos 1947-2-1 3221 Riverside Painted Canyon Comment
  JOTR37712  Atriplex hymenelytra Hodges, Stephen R. 2016-3-1 638 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line in canyons of black rock. Sparsely vegetated. Comment
  SBBG65383  Atriplex hymenelytra S. W. Hutchinson 1928-2-1 107 Riverside Thousand Palms 243 Comment
  HSC25219  Atriplex lentiformis R. W. Spjut 1972-1-6 2099 Riverside Colorado Desert, along water courses from Indio, along Hwy. 111, S to Salton Sea -30 Comment
  RSA696717  Atriplex lentiformis J. R. Bruff 1927-10-8 1 -C Riverside Thousand Palms. Comment
  RSA735904  Atriplex micrantha Scott D. White, Justin Wood 2008-6-24 12288 Riverside San Timoteo Canyon. Meadow along San Timoteo Creek. 640 Comment
  CLARK-A1528-5398  Atriplex patula subsp. hastata John C. Roos, Lucille Roos 1951-10-24 5339 Riverside Pedley 228 Comment
  UCR121206  Atriplex rosea D. E. Bramlet, D. J. Bradney 1989-7-3 1930 Riverside Perris-Aguanga Basin region, Diamond Valley, just north and east of the Searl Ranch buildings 482 Comment
  UCR6700  Atriplex serenana W. W. Wright 1967-1 s.n. Riverside City of Riverside, University of California campus, south of Pennsylvania Ave. (now Martin Luther King Blvd.), west of Midgeville. 335 Comment
  RSA556460  Atriplex serenana var. davidsonii Julie Greene 1993-4-30 1247 Riverside San Jacinto Wildlife Area, south of visitors center, by waterfowl kiosk, E of Davis Road. 433 Comment
  UCR112482  Atriplex suberecta A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23331 Riverside Coachella Valley, along Tyler St. south of I-10, east of Indio and north of Coachella -12 Comment
  CLARK-A1528-4493  Avena barbata John C. Roos 1952-2-18 5353 Riverside Riverside 274 Comment
  RSA614180  Avena barbata D. L. Banks 1997-2-17 1279 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, along Pechanga Road in the Reservation, approximately 10 m west of the Pechanga Tribal Government Center. 367 Comment
  RSA0019012  Ayenia compacta Duncan S. Bell, John Anderson, Kim Clark, Ed Howland 2013-9-29 6035 Riverside Chuckwalla Mountains; on the south side of Corn Springs Wash, approximately 3 air miles west of Corn Springs, and about 0.5 air miles south of Aztec Well. 659 Comment
  SEINET10668633  Baccharis David B. Dunn 1947-9-21 Dunn 3515 Riverside Seedlings in the wet sand near stream from springs. Comment
  UCR25766  Baccharis brachyphylla John C. Roos 1949-4-2 4133 Riverside San Bernardino Mtns., Palm oasis in side canyon of Whitewater Canyon 856 Comment
  SDSU13946  Baccharis emoryi Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2150 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  CLARK-A1528-1626  Baccharis glutinosa John C. Roos 1949-9-21 4664 Riverside Reche Canyon 457 Comment
  SD240841  Baccharis pilularis A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39928 Riverside Peninsular Range; Santa Ana Mtns.: near Sierra Peak on dirt road (Leonard Rd.) from Skyline Drive, c. 1/4 mile east of the Orange Co. line. Saddle on ridge. 883 Comment
  UCR51355  Baccharis pilularis L. F. LaPre, Jack Easton 1988-1-12 s.n. Riverside Santa Rosa Plateau, Mesa de la Punta, Santa Rosa Springs Ranch 610 Comment
  SEINET899225  Baccharis salicifolia H. K. Wagnon 1944-1 313 Riverside About 100 yds. S. of Trading Post, Palm Canon Comment
  UCR151973  Baccharis salicifolia Steve Boyd, Aydee Virgen 2004-4-13 10851 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR216230  Baccharis salicifolia Mike Bell 2008-4-27 015 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 538 Comment
  UC500623  Baccharis salicifolia subsp. salicifolia Aven Nelson 1930-3-1 11169 a Riverside Palm Springs, near water course Comment
  SDSU13986  Baccharis salicina Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2110 Riverside North end of second small, dry meadow north of El Valle. Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  UC30364  Baccharis salicina E. G. Koethen 1897-10-16 Riverside West Riverside 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
  CAS-BOT-BC99870  Baccharis sergiloides G. B. Grant 1906-5-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  JOTR28778  Baccharis sergiloides La Doux, Tasha 2003-9-4 1047 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
  RSA0094095  Bahia dissecta Duncan S. Bell, Evan Meyer, Sonia Pena 2015-10-20 8721 Riverside Santa Rosa Mountains; approximately 0.4 air mile southeast of the summit of Santa Rosa Mountain. 2410 Comment
  CAS-BOT-BC295893  Bahiopsis parishii Javier Penalosa 1963-4-11 2807 Riverside Pines to Palms Hwy. (#74) above Palm Desert 762 Comment
  RSA770449  Bahiopsis parishii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4561 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET2047551 Image available Baileya pauciradiata Shirley Hill 1963-3-13 630313 Riverside 500 yards down desert wash on Vista Chino St., Palm Springs Comment
  UC665848  Baileya pauciradiata Ira L. Wiggins 1941-3-24 9571 Riverside 0.3 mi s, 4.6 mi n of Indio Myoma Comment
  SEINET11861853  Baileya pauciradiata J. F. Bright, Wyman, C. 1933-3-12 8065 Riverside near Palm Springs Comment
  JOTR35998  Baileya pleniradiata Harding, Mitzi, Mark Wheeler 2012-9-4 209 Riverside Joshua Tree National Park. Clark's Pass; low area of mud flats surrounded by fine sand hills, just south of Highway 62 (stop 5) 538 Comment
  POM350687  Baileya pleniradiata Christopher Davidson 1973-4-19 1989 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree 1220 Comment
  UCR79222  Barbarea orthoceras Steve Boyd 1992-4-14 6793 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness. Along Verdugo Trail from Tenaja Tr. to Bluewater Tr. in upper watershed Bluewater Canyon. south of Sitton Peak 854 Comment
  CHSC26007  Bebbia juncea James Henrickson 1971-4-2 5482 Riverside Near Hidden Oasis, 13 miles E of Palm Springs. 182 Comment
  CLARK-A1045-215  Bebbia juncea George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; dry wash; Lost Horse Mtn. 15'Q Comment
  RSA696874  Bebbia juncea J. Russell Bruff 1928-4-1 77 Riverside Whitewater Comment
  RSA709803  Bebbia juncea A. C. Sanders 2004-5-12 27891 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  SBBG60788  Bebbia juncea M. N. Ackley 1928-3-31 234 Riverside Hidden Spring Cyn 182 Comment
  UCR25771  Bebbia juncea John C. Roos 1937-7-12 1508 Riverside Reche Canyon 549 Comment
  UCR41337  Bebbia juncea N. M. Fellows 1984-11-12 26 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
  RSA92403  Bebbia juncea F. W. Peirson 1917-4-1 1323 Riverside Palm Springs Comment
  CAS-BOT-BC100117  Bebbia juncea var. aspera Carl B. Wolf 1932-4-27 3000 Riverside Colorado Desert. 14 mi. E. of Mecca on Blythe Road (E. of Shavers Well) 152 Comment
  JEPS19302  Bebbia juncea var. aspera W. L. Jepson May 17 1901-Jun 1 1901 1384 Riverside Palm Canon and return to Van Deventer's Comment
  CAS-BOT-BC75538  Berberis dictyota T. Cass 1975-4-10 1710 Riverside Santa Ana Mountains. 0.75 mile down road parallel to Brown Creek. 914 Comment
  CLARK-A1528-315  Berberis dictyota Margaret, Lee Dean 1965-4-5 Riverside Bernasconi Hills 487 Comment
  RSA753535  Berberis nevinii Michael Wall 2009-6-10 518 Riverside CNDDB EO # 04; south of Redlands ca. 0.75 miles up an unnamed canyon off San Timoteo Canyon Rd. ca. 0.5 miles NW of jct with Allesandro Blvd, (road entrance is by an abandoned dairy) 496 Comment
  UCR18794  Berberis nevinii John C. Roos 1949-5-21 4321 Riverside Peninsular Range, SW corner of county, 2 miles north of Dripping Springs, near Vail Dam 442 Comment
  POM299249  Bernardia incana Louise Kellogg, Annie M. Alexander 1941-5-10 2144 Riverside Small canyon 3 miles northeast of Cottonwood Spring, Eagle Mountains. 1037 Comment
  SD234926  Beta macrocarpa A. C. Sanders 2008-4-15 34892 Riverside Peninsular Range: NE edge of city of Elsinore, off Nichols Rd. along Baker St. near Durant Siding. 383 Comment
  RSA356707  Blennosperma nanum R. F. Thorne, E. W. Lathrop 1975-5-20 45506 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; Santa Ana Mountains 610 Comment
  UC123745  Boechera platysperma F. M. Reed 1908-7-13 2527 Riverside Tahquitz Ridge San Jacinto Mountains 2590 Comment
  JOTR30679  Boerhavia triquetra Andre, Jim, Tasha La Doux 2008-9-13 10264 Riverside Joshua Tree National Park. Chuckwalla Valley, along Hwy 177 (northwest side), southeast end of Coxcomb Mountains. East boundary of Joshua Tree National Park. 160 Comment
  JOTR34997  Boerhavia wrightii La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3099 Riverside Joshua Tree National Park. Pinto Basin, Route 111, north of sand hills Comment
  SD129261  Boerhavia wrightii A. C. Sanders 1989-9-20 9514 Riverside Chocolate Mountains Aerial Gunnery Range: Tabaseca Tank, in the extreme northern end of the Chocolate Mountains. 609 Comment
  SEINET2043231 Image available Boerhavia wrightii Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Colorado/Sonoran Desert: Canyon Spring, Orocopia Mountains (Red Canyon Quad 7.5') 372 Comment
  UCR248093  Boerhavia wrightii Duncan S. Bell, John Anderson, Keir Morse 2012-11-11 4375 Riverside Sonoran (Colorado) Desert, Mecca Hills, upper branch of Hidden Spring Canyon, c. 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto 250 Comment
  UCR264214  Boerhavia wrightii A. C. Sanders 2015-9-12 41885 Riverside Sonoran (Colorado) Desert, Desert Center, south of I-10 at the Eagle Mountain Road junction 361 Comment
  CLARK-A1528-4502  Bothriochloa barbinodis John C. Roos 1946-9-14 3027 Riverside Santa Rosa Mountains 1158 Comment
  RSA613138  Bothriochloa barbinodis D. L. Banks 1997-3-6 1408 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  UCR17686  Bothriochloa ischaemum O. F. Clarke 1965-10-12 s.n. Riverside Riverside, residential garden of O.F. Clarke, 1012 Spruce Street 306 Comment
  SEINET3920214  Bouteloua aristidoides David Charlton 1988-2-18 1127 Riverside S side of Little San Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10. 1 mi. E of Jct Dillon Rd. and Fargo Cyn Rd.; 0 610 Comment
  SEINET7294492 Image available Bouteloua barbata var. barbata Louis B. Ziegler 1967-1 s.n. Riverside Dry valley floor, lower edge of Yellow Pine Belt; Hemet Valley, San Jacinto Mts. 1402 Comment
  RSA0104626  Bouteloua curtipendula Duncan S. Bell 2015-9-30 8676 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  CLARK-A1528-1429  Bowlesia incana John C. Roos 1937-2-21 1312 Riverside La Sierra Comment
  UCR151383  Brachypodium distachyon Scott D. White, T. B. Salvato 2001-6-8 8584 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley 579 Comment
  UCR207232  Brachypodium distachyon O. F. Clarke 2008-4-8 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  JEPS121589  Brandegea bigelovii Adam C. Schneider with Will Freyman 2014-2-16 397 Riverside Box Canyon Road. Comment
  JEPS78698  Brandegea bigelovii S. B. Parish 1912-10-23 8292 Riverside near Mecca (Chuckwalla Mountains, Red Canyon); Chuckwalla Mountains, Red Canyon Comment
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Nov 24 2011
  RSA697186  Brandegea bigelovii Mary Edmunds 1932-3-26 s.n. Riverside Flying Sphynx Ranch-Coschella Valley. Comment
  RSA0009725  Brandegea bigelovii Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well. Comment
  UCR211714  Brassica kaber Fred M. Roberts, D. E. Bramlet, Kerry Byrne 2006-4-20 6320 Riverside Perris Basin, Upper Salt Creek watershed, southwest of Hemet, 2 km southeast of Winchester, south of Domenigoni Parkway 448 Comment
  UCR59915  Brassica kaber Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, University of California agricultural experimental farms, c. 1/2 mi south of Alessandro Blvd at NE corner of Cactus Avenus and Nason Street Comment
  RSA89894  Brickellia desertorum J. C. Roos, L. Roos 1950-10-28 5020 Riverside N base Mt. Russell, 1 mi SE of Moreno. 550 Comment
  JOTR01240  Brickellia desertorum Cole, James E. 1942-5-19 960 Riverside Joshua Tree National Park. RUBY LEE MILL SITE 914 Comment
  UC279716  Brickellia incana Edmund C. Jaeger 1926-2-20 Riverside near Salton (Canon Springs); Canon Springs Comment
  UCSB45580  Brickellia incana Roos, John 1965-6-23 Riverside Colorado Desert; Lost Palms Wash, north of Chiriaco Summit near the Eagle Mtns. Comment
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Mar 26 2011
  LA102370  Brickellia nevinii John C. Roos; 1965-9-12 sn Riverside Santa Ana Mountains, Tin Mine Canyon, 3 mi. SW of Corona 548 Comment
  UC1551954  Brickellia nevinii J. C. Roos 1965-9-12 Riverside 3 mi sw of Corona Tin Mine Canyon (Santa Ana Mountains); Santa Ana Mountains 548 Comment
  SD90488  Brodiaea filifolia Robert F. Thorne, E. Lathrop 1969-6-6 39323 Riverside Santa Rosa Plateau, Rancho California, Mesa de Colorado, grassy area east of large vernal marsh. 625 Comment
  UCR89494  Bromus arenarius Steve Boyd, Chris Frazier 1993-4-24 8006 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agua Tibia Mt., Agua TibiaWilderness area, Cleveland National Forest. Along trail extending S from end of Woodchuck Rd. 1000 Comment
  RSA179502  Bromus arenarius E. W. Lathrop 1960-6-6 4816 Riverside 14 miles W. of Murrieta. Comment
  UCR157593  Bromus arizonicus A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16220 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  RSA562103  Bromus carinatus Steve Boyd 1992-4-14 6803 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  UCR232031  Bromus diandrus John F. Green 2008-4-15 0408- 17 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  SEINET7048194  Bromus madritensis subsp. rubens Steven R. Hill, Andrew C. Sanders 2001-5-4 33703 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  UC519700  Bromus tectorum Victor Duran 1932-5-18 3218 Riverside San Jacinto Mountains, Idyllwild Idyllwild; San Jacinto Mountains, Idyllwild 1676 Comment
  UCR137501  Bromus tectorum D. L. Banks, V. W. Steinmann 1997-3-13 1489 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR18522  Bromus trinii Frank C. Vasek, O. F. Clarke 1966-4-4 s.n. Riverside Santa Rosa Mtns, Hwy 74 at Royal Carrizo Road, Deep Canyon drainage 917 Comment
  JOTR31933  Caesalpinia virgata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2171 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash draining into west Pinkham Wash Comment
  POM47669  Caesalpinia virgata Mary F. Spencer 1920-3-13 1448 Riverside Painted Canyon near Mecca -60 Comment
  UCR18388  Calandrinia ambigua Holly Hartman 1979-4-25 s.n. Riverside Western Colorado Desert, Painted Canyon in the Mecca Hills Comment
  UCR123752  Calandrinia ciliata Steven R. Hill 2001-4-29 33523 Riverside Calimesa, south side of Route I-10 right-of-way, 0.2 mi west of Desert Lawn Road exit 705 Comment
  SD68966  Callitriche heterophylla var. bolanderi Robert F. Thorne, P. A. Munz and E. Lathrop 1968-5-8 37594 Riverside Santa Rosa Plateau, Rancho California. 609 Comment
  RSA198957  Callitriche marginata R. F. Thorne 1968-5-8 37574 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 671 Comment
  SD229036  Calocedrus decurrens Dick Schwenkmeyer 2012-4-17 688 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  UCSB246  Calocedrus decurrens White, Arthur 1960-5-14 Riverside At side of road between Banning and Idyllwild, 14.2 mi. s. of Hwy. 70 and 99 1676 Comment
  CAS-BOT-BC488539  Calochortus concolor E. A. McGregor 1941-6-13 34 Riverside Pines-to-Palms Highway, near Public Camp, San Jacinto Mountains Comment
  HSC92910  Calochortus splendens Scott White 1993-5-29 1442 Riverside San Bernardino Mtns., Banning Canyon and Big Oaks Canyon along rd. to Raywood Flat, Yucaipa Ridge 1402 Comment
  RSA180362  Calochortus splendens E. W. Lathrop 1960-5-6 4785 Riverside 10 miles west of Murrieta. Comment
  RSA369045  Calochortus splendens M. M. Thompson 1947-6-9 C- 2080 Riverside Los Alamos Canyon, Elsinore 762 Comment
  UCR155823  Calochortus splendens John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  RSA16364  Calochortus weedii Percy C. Everett 1935-6-17 7168 Riverside Santa Ana Mountains, Coldwater Canyon trail to Santiago Peak, 2 miles above Glen Ivy Resort. 610 Comment
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May 22 2012
  RSA360017  Calochortus weedii Gale Sphon 1955-6-23 s.n. Riverside Horsethief Canyon, Elsinore Mountains. Comment
  RSA407729  Calycadenia tenella Steve Boyd 1986-5-1 1794 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  RSA532560  Calycoseris parryi D. Bramlet 1991-5-9 2134 Riverside North Domenigoni Hills Comment
  RSA704584  Calycoseris wrightii LeRoy Gross 2005-3-3 1582 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UC1584109  Calyptridium monandrum Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3833 Riverside at n side of mouth of Temecula Creek Canyon (and adjacent benches on s flank of Big Oak Mountain); Vail Lake Area, Temecula Creek Canyon 396 Comment
  UCR281090  Calyptridium monandrum Michael D. Wilcox 2017-4-18 s.n. Riverside Sonoran (Colorado) Desert, 1 mile long segment of Palm Canyon Wash, centered on Hwy 111 crossing, city of Palm Springs 165 Comment
  RSA543734  Calystegia macrostegia subsp. intermedia Steve Boyd, Timothy S. Ross, Mike Hammitt, Bob Boyd 1991-5-2 6069 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
  HSC6379  Calystegia macrostegia subsp. tenuifolia C. L. Hitchcock, C. V. Muhlick 1964-3-17 23108 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  RSA734501  Calystegia macrostegia subsp. tenuifolia Michael Wall 2008-5-31 465 Riverside San Jacinto Valley, Bautista Rd. south east of Hemet; along Bautista road, ca. 5.5 miles SE of Fairview Ave. 732 Comment
  CAS-BOT-BC218906  Camissonia Robert F. Thorne; M. Z. Thorne 1973-3-30 42676 Riverside MORONGO VALLEY CANYON: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, on outwash of Mission Creek 487 Comment
  UCR117648  Camissonia Scott D. White 1995-8-23 3586 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
  RSA522771  Camissonia bistorta Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3878 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
  RSA711220  Camissonia bistorta A. C. Sanders 2004-4-9 27471 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side. 473 Comment
  UCR133365  Camissonia bistorta Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 290 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 Comment
  UCR172219  Camissonia bistorta John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  UCR43177  Camissonia bistorta B. G. Pitzer 1986-5-6 0205 Riverside Peninsular Range, Butterfield Stage Ranch Development, hills on the north side of Pauba Valley in Rancho California area, 1 mi south of Buck Mesa, on the E side of Butterfield Stage Rd. 457 Comment
  CLARK-A1528-3319  Camissonia boothii John C. Roos 1949-4-19 4112 Riverside Mecca Comment
  UCR114142  Camissonia boothii B. G. Pitzer, J. Ross 1998-3-8 3601 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  RSA465961  Camissonia boothii subsp. condensata E. C. Jaeger 1922-3-27 707 Riverside Colorado Desert. Box Canon, near Mecca. 91 Comment
  UCR148459  Camissonia brevipes S. J. Myers 2005-2-1 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 9 miles (4 air line) east of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 21 Comment
  UCR158496  Camissonia californica A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30016 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
  SD3347  Camissonia campestris subsp. campestris Ruth Randall 1922-4-9 219 Riverside Coachella; Painted Canyon. Comment
  SEINET3259929 Image available Camissonia campestris subsp. campestris Marcus E. Jones 1882-4-24 3168 Riverside San Jacinto. Comment
  SEINET10492068  Camissonia claviformis Noel H. Holmgren, Patricia K. Holmgren 1974-3-23 Holmgren 7471 Riverside Box canyon wash, 11.4 mi e-ne of mecca. T6s, r10e, sec35. Common to abundant in wash. Petals cream with reddish base. 244 Comment
  RSA135284  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-3-16 11862 Riverside Fried Liver wash, Pinto Basin, Joshua Tree National Monument. Comment
  RSA135292  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-25 11473 A Riverside Along roadside, 0.5 mile west of Mecca. Comment
  RSA457770  Camissonia claviformis subsp. aurantiaca Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2115 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA448969  Camissonia claviformis subsp. yumae N. R. Zabriskie, Walter Zabriskie 1973-3-19 577 Riverside Triangle formed S of Freeway (I-10), N of Ramon Rd., E of intersection with Bob Hope Dr., N of Palm Desert, Coachella Valley. (Site 19). 61 Comment
  RSA170707  Camissonia confusa J. Olmstead 1962-5-3 3473 Riverside E slope on Baldy Mt., along Pines to Palms hwy., 1 1/2 mi. S of 4936' summit south of Mt. Center. San Jacinto -Santa Rosa Mts. 1311 Comment
  SEINET3093240 Image available Camissonia confusa A. C. Sanders, B. Pitzer 1986-4-30 6473 Riverside San Jacinto Valley; San Jacinto River Valley at the mouth of Bee Canyon. 610 Comment
  UCR17930  Camissonia confusa A. C. Sanders 1976-4-20 00646 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  UCR3431  Camissonia confusa Heidi A. Haid 1964-5-17 645117- 01 Riverside San Jacinto Mtns., c. 1 mi from junction of Hurley Flats Rd and Idyllwild-Banning Rd 1402 Comment
  UCR41325  Camissonia confusa N. M. Fellows, A. C. Sanders 1985-4-9 121 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  RSA543896  Camissonia micrantha Steve Boyd 1991-5-20 6273 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  UCR118245  Camissonia micrantha Mitch Provance, J. Ross 1999-4-1 1736 Riverside Jurupa Mountains, Johnson Canyon, 0.35 km south of peak 1768 457 Comment
  RSA772123  Camissonia pallida subsp. pallida Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4832 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. 915 Comment
  CLARK-A1528-665  Camissonia strigulosa Charlotte Stocks 1963-4-28 Riverside Box Canyon Comment
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Jul 7 2020
  RSA793019  Camissonia strigulosa Justin M. Wood 2011-4-4 3407 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  UC140596  Camissonia strigulosa C. F. Baker 1904-4-5 4116 Riverside Hemet Comment
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Mar 24 2011
  UCD103434  Camissoniopsis bistorta A. C. Sanders; T. B. Salvato 2000-5-25 23428 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
  UCSB12943  Camissoniopsis bistorta Dearing, Hugh; Dearing, Margaret 1937-4-12 Riverside Coast side of mountains near Orange county line Comment
  UCR166110  Camissoniopsis hirtella A. C. Sanders 1994-5-29 14570 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  UC69876  Camissoniopsis intermedia Mrs. C. M. Wilder 91 Riverside West Riverside Jurupa Hills Comment
  UC147159  Camissoniopsis pallida subsp. hallii H. M. Hall 1897-4-17 446 Riverside Banning Colorado Desert (edge of Colorado Desert) Comment
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Mar 21 2011
  UCR166107  Camissoniopsis pallida subsp. pallida A. C. Sanders, K. C. Rose 1995-4-5 16363 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  CSUSB542  Capsella bursa-pastoris Leland R. Dykes 1962-3-25 6 Riverside 4831 Robidoux Ave. Riverside Comment
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Feb 24 2013
  RSA650983  Capsella bursa-pastoris Robert Arias 1953-1-18 s.n. Riverside Clum Ranch Ave. 54 Thermal. Comment
  UCR89424  Cardamine debilis G. Foster 1994-12-5 s.n. Riverside Calimesa: Hollandia Farms, 1100 S 7th Street Comment
  POM259161  Carex alma Phillip A. Munz 1938-8-14 15366 Riverside Head of Black Rabbit Canyon, Toro Peak, Santa Rosa Mountains. 2378 Comment
  JOTR32971  Carex douglasii La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2722 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  UC837255  Carex nebrascensis P. A. Munz 1922-9-6 6393 Riverside Round Valley San Jacinto Mts. 2743 Comment
  POM122859  Carex sartwelliana Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  UC146061  Carex senta Charlotte M. Wilder 1909-7-11 1138 Riverside Round Valley San Jacinto Mountains 2743 Comment
  RSA305817  Castilleja angustifolia James R. Shevock 1971-5-8 1041 Riverside Near Skull Rock, Joshua Tree National Monument. 1220 Comment
  POM71674  Castilleja applegatei subsp. martinii Philip A. Munz, I. M. Johnston 1924-7-27 8726 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  RSA715072  Castilleja exserta A. C. Sanders 2005-4-22 29616 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  SBBG47445  Castilleja exserta N. C. Cooper 1944-4-21 1127 Riverside Banning 701 Comment
  RSA586141  Castilleja exserta subsp. exserta D. L. Banks 1995-4-11 184 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the Dripping Springs Trai. 512 Comment
  RSA0010926  Castilleja exserta subsp. exserta N. C. Cooper 1944-4-21 1127 Riverside Banning. 701 Comment
  JEPS13247  Castilleja foliolosa Annie M. Alexander and Louise Kellogg 1941-4-24 2081 Riverside w side Dry Morongo Creek Gorge; Morongo Valley, Dry Morongo Creek Gorge 640 Comment
  POM296925  Castilleja foliolosa Lyman D. Benson 1946-4-15 12038 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  RSA564306  Castilleja foliolosa Scott D. White 1993-3-15 1186 Riverside Elsinore: Highway 74, just west of NW corner of Lake Elsinore. Comment
  UCR213887  Castilleja foliolosa Scott D. White, Justin M. Wood 2009-5-22 12918 Riverside San Jacinto Mountains, Old Control Road, above Halfway Spring 1463 Comment
  SD143713  Castilleja minor subsp. spiralis Scott D. White 1997-5-25 5223 Riverside Bautista Cyn Rd., abt 1.3 road miles NW of Hixon Trailhead (USFS No. 2E43) 700 Comment
  CAS-BOT-BC167200  Caulanthus heterophyllus Virginia Moran 2003-3-26 s.n. Riverside Peninsular Range: Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and W of Wilson Creek 915 Comment
  RSA113257  Caulanthus heterophyllus E. K. Balls 1955-4-4 20430 Riverside Chaparral, Ortega Hwy. 8.3 mi. ne. from Orange-Riverside Co. line, Elsinore overlook. 793 Comment
  RSA717615  Caulanthus heterophyllus Scott D. White 2006-4-27 11304 Riverside Santa Rosa Hills, S. of Hemet. 549 Comment
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Feb 5 2020
  UCR94491  Caulanthus lasiophyllus var. rigidus Steve Boyd 1981-4-15 s.n. Riverside Gavilan Hills, Flats at the N base of the range, south of Lake Matthews, south of Cajalco Road. 457 Comment
  CAS-BOT-BC56931  Ceanothus Steve Boyd; Tim Ross 1993-3-23 7894 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 670 Comment
  CDA1657  Ceanothus crassifolius Mike Lahti 2007-5-31 PDR# 1361019 Riverside Murrieta; 26550 Pabesu Rd. Jo-Dan Farms Nursery. Comment
  RSA1503  Ceanothus crassifolius B. D. Stark 1929-2-21 1606 Riverside Hidden Canyon, Santa Ana Mts. Comment
  RSA570227  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7896 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  RSA575075  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -V Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  UC1071019  Ceanothus crassifolius R. St. John 1930-4-14 113 Riverside w Paloma Valley (plot No. 46); San Jacinto quad 487 Comment
  RSA575057  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -K Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  UC1018192  Ceanothus cuneatus var. cuneatus J. Warren 1952-5-25 Riverside w Idylwild 1371 Comment
  POM49159  Ceanothus leucodermis P. A. Munz 1924-5-18 8144 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  RSA192351  Ceanothus leucodermis E. W. Lathrop 1966-3-20 6072 Riverside 10 miles west of Murrieta on the Tenaja Truck Trail between DeLuz and Tenaja Guard Station, Trabuco District. Comment
  RSA0060582  Ceanothus leucodermis Bob Rogers 1984-5-5 31 Riverside Collected along a trail bordering the West side of Fuller Mill Creek heading upstream. Starting point was on the North side of hwy 243, 11.6 miles from hwy 74/hwy243 jctn. 1524 Comment
  RSA517098  Ceanothus ophiochilus Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2960 Riverside Vail Lake area, 1 mi. W of Lake. Comment
  RSA0019593  Ceanothus palmeri Keith E. Hoffmaster 1937-6-6 776 Riverside San Jacinto Mountains. Comment
  LA44916  Ceanothus perplexans H. Lewis; 1939-4-9 sn Riverside Pines to Palms Highway 761 Comment
  RSA0022326  Ceanothus perplexans Scott D. White, Angelia Carey 2004-7-2 10591 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR271518  Ceanothus tomentosus T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8352 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  UCR82903  Cenchrus echinatus A. C. Sanders, C. L. Sanders, S. D. White 1994-10-9 15802 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  CAS-BOT-BC277181  Centaurea X pouzinii John Thomas Howell 1952-10-24 28864 Riverside Fuller Ranch near Corona Comment
  CDA7288  Centaurea X pouzinii T. C. Fuller 1962-6-6 8846 Riverside South entrance to Fuller Rancho, ca. 5 miles north of Corona. 0 Comment
  UC774537  Centaurium venustum Carl B. Wolf 1941-6-27 10897 Riverside 3.3 mi e Orange County line (Ortega Highway); Santa Ana Mts. 579 Comment
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Sep 18 2011
  UCR35003  Centaurium venustum L. B. Ziegler 1967-8-4 206 Riverside Peninsular Ranges, San Jacinto Mtns., Upper Herkey Creek area 1555 Comment
  SEINET13276736 Image available Centromadia pungens subsp. laevis D. E. Bramlet 2009-1 4400 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: NW of Hemet, San Diego Canal right-of-way south of Esplanade Ave. and west of Warren Rd. (Lakeview 7.5' Q.) (T4S R2W S1, NE/4 of NE/4; 11S -0496878E, 3736882N) 475 Comment
  UCR273111  Cerastium glomeratum Mitch Provance 2001-4-21 17013 Riverside San Bernardino Valley, Jurupa Mountains, Jurupa Valley, Sunnyslope area, E of Sierra Ave, N of Lauren Ln., at SW base of 'Noname Mtn. 320 Comment
  CDA26877  Cercidium floridum T. C. Fuller 1962-4-4 8001 Riverside Highway 99 [later renumbered Highway 86] to El Centro, 3.2 miles south of Oasis. 0 Comment
  RSA776695  Cercidium floridum Duncan S. Bell, Amanda Turek 2010-4-10 788 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  RSA16368  Cercocarpus betuloides Percy C. Everett 1935-6-17 7163 Riverside Coldwater Canyon Trail to Santiago Peak., 2 miles above Glen Ivy Resort. 610 Comment
  UCR240650  Cercocarpus betuloides Tracy Tennant, Mitch Provance 1998-6-16 MOR- 424 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  UCR231761  Chaenactis artemisiifolia John F. Green 2008-4-23 09- 06 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
  RSA676147  Chaenactis carphoclinia Scott D. White 2001-4-12 8306 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  RSA781601  Chaenactis carphoclinia Duncan S. Bell 2011-12-30 3031 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  UCSB7217  Chaenactis carphoclinia Yokoyama, Howard 1953-3-21 Riverside 9 miles east of Indio Comment
  POM308526  Chaenactis carphoclinia var. carphoclinia Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3169 Riverside 10 miles east of Indio. Comment
  UC1595787  Chaenactis carphoclinia var. carphoclinia W. Wisura, J. Dolan, and M. Wall 1992-3-24 4615 Riverside 4.7 mi ne Mecca (on Box Canyon Rd) Comment
  RSA0077069  Chaenactis fremontii Jim M. Andre 2015-3-2 31350 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
  SBBG7876  Chaenactis fremontii C. H. Muller 1952-4-5 9496 Riverside White Water Cyn, ca. 1 mi above White Water Comment
  UC64805  Chaenactis fremontii E. E. Schellenger 1904-4-10 76 Riverside bet. Whitewater and Banning; Colorado Desert Comment
  UC894466  Chaenactis fremontii Milo S. Baker Apr 3 1928-Apr 4 1928 30186 Riverside about Palm Canon Palm Canon Comment
  UCR260843  Chaenactis fremontii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41510 Riverside San Gorgonio Pass, c. 1.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope between the water bottling plant and I-10 and west along dirt track, near Elm St. 498 Comment
  UCR8406  Chaenactis fremontii Sally Bell 1964-4-18 s.n. Riverside Sonoran (Colorado) Desert; Coachella Valley, Desert Hot Springs, east side of Indian Canyon Dr., c. 3 miles from Twentynine Palms Highway [Hwy 62] junction 366 Comment
  UCSB49254  Chaenactis fremontii Hibbard, Doug 1977-5-16 Riverside Off NW side of Hwy. 74, 11.8 mi. from intersection with Hwy. 111 1036 Comment
  SD227733  Chaenactis glabriuscula A. C. Sanders 1994-5-29 14546 Riverside San Bernardino Mountains: Morongo Indian Reservation, slopes among hills on the low pass between Millard Cyn. And Potero Cr 750 Comment
  SEINET2030149 Image available Chaenactis glabriuscula Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Mountains, San Juan Canyon, highway 74 610 Comment
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Nov 8 2015
  UCR140295  Chaenactis glabriuscula A. C. Sanders 2004-4-9 27470 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side 473 Comment
  UCR260857  Chaenactis glabriuscula A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41492 Riverside San Gorgonio Pass, c. 3.8 miles east of Cabazon, north of San Gorgonio River wash, south of I-10 and generally NE of water bottling plant, west of dirt road to wind farm 439 Comment
  UCR34886  Chaenactis glabriuscula L. B. Ziegler 1972-3-31 442 Riverside San Jacinto Valley, City of San Jacinto 473 Comment
  UCR87901  Chaenactis glabriuscula A. C. Sanders, N. Ferguson 1994-6-2 14631 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  UCR91677  Chaenactis glabriuscula Steve Boyd 1995-4-24 8482 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on N flank of Agua Tibia Mtn, at N base of Wildhorse Peak. Along the Wildhorse Trail near the NE corner of the Wilderness 671 Comment
  RSA770699  Chaenactis glabriuscula var. glabriuscula Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4801 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CAS-BOT-BC277549  Chaenactis glabriuscula var. lanosa G. D. Hanna; M. M. Hanna 1958-2-16 s.n. Riverside Cabazon Comment
  POM9388  Chaenactis glabriuscula var. lanosa I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  JEPS30505  Chaenactis parishii Donald W. Kyhos 1958-5-16 58 -183 Riverside 1.85 mi up road toward Mount Santa Rosa; San Jacinto Mountains, Mount Santa Rosa Comment
  CHSC108501  Chaenactis stevioides Naomi Fraga; Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1422 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  JOTR16574  Chaenactis stevioides Walters, Jim 1967-3-7 s.n. Riverside Joshua Tree National Park. UPPER WILSON CANYON 975 Comment
  POM311389  Chaenactis stevioides var. stevioides Diana plainer 1958-3-30 150 Riverside Joshua Tree National Monument, off main road, toward Cottonwood Springs, S of park at base of hills. Eagle Mts. 457 Comment
  POM351834  Chaenactis stevioides var. stevioides M. B. Dunkle 1937-3-25 4938 Riverside Colorado Desert. Comment
  VVC2108  Chamaesyce abramsiana Tim Thomas 2012-9-2 5876 Riverside Colorado Desert, WNW of Blythe, 8.4 miles N of I-10, just west of Black Ck Rd. 171 Comment
  SBBG4020  Chamaesyce micromera H. and M. Dearing 1936-12-25 946 Riverside Thousand Palms Cyn Comment
  RSA776946  Chamaesyce micromera Amber Swanson 2011-3-19 239 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  RSA444789  Chamaesyce polycarpa J. C. Roos 1965-6-23 s.n. Riverside Cactus City, on I 10, 25 miles east of Indio. Comment
Read comments
May 21 2011
  RSA778397  Chamaesyce polycarpa Amber Swanson 2011-10-9 654 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  RSA770639  Chamaesyce setiloba R. F. Thorne 1966-10-15 41779 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  CAS-BOT-BC70030  Cheilanthes covillei Nancy Ryan Zabriskie; Walter Zabriskie 1971-3-7 355 Riverside Andreas Canyon, E. slope San Jacinto Mts. 15 Comment
  RSA757446  Cheilanthes newberryi R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55225 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta 730 Comment
  CAS-BOT-BC70332  Cheilanthes parryi Edmund C. Jaeger 1922-3-18 s.n. Riverside Eagle Canyon, 4 miles east of Palm Springs Comment
  RSA189430  Cheilanthes parryi L. S. Rose 1966-12-13 66101 Riverside Palm Springs, Tahquitz Wash Desert 182 Comment
  RSA678351  Cheilanthes parryi Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10466 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
  RSA685803  Cheilanthes parryi H. de Forest 1933-4-16 s.n. Riverside Chino Canyon, Colorado Desert, E of Coachella Valley Comment
  UC812278  Cheilanthes parryi Ivan Johnston 1917-4-4 Riverside Palm Canyon; Colorado Desert 304 Comment
  UCR17579  Cheilanthes parryi N. R. Zabriskie, W. M. Zabriskie 1971-3-7 350 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon watershed 366 Comment
  UC42427  Cheilanthes viscida S. B. Parish and W. F. Parish Jan. 1880 Riverside n of Palm Springs (Whitewater Canyon) Comment
  RSA554284  Chenopodium album Scott D. White 1992-2-25 92 -12 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  SEINET3090649 Image available Chenopodium album H. S. Gentry 1945-7-25 14247 Riverside Near Agaunga. Comment
  UCR252003  Chenopodium berlandieri A. C. Sanders, T. B. Salvato 2014-7-2 41177 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA48313  Chenopodium murale E. K. Balls 1949-4-4 12947 Riverside near Salton Beach on Highway 111, Colorado Desert -61 Comment
  CDA3103  Chenopodium strictum var. glaucophyllum Mitch Provance 2000-10-14 2254 Riverside Jurupa Mtns.; Crestmore area, along the S side of El Rivino Rd., ca. 0.4 miles N of Crestmore Quarries. Comment
  SEINET1908448  Chilopsis linearis A. C. Sanders, Mitch Provance 2008-1 35824 Riverside South Coast; San Jacinto Valley: Gilman Springs Road, 1.13 mi. (air) sout of Eden Hot Springs, below Mt. Eden. 450 Comment
  UCR215635  Chilopsis linearis Bao Doan 2010-5-31 07 Riverside Western edge of Sonoran (Colorado) Desert, San Gorgonio Pass, Cabazon, Elm St. at San Gorgonio River wash crossing 473 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
  SEINET13310687  Chilopsis linearis subsp. arcuata A. C. Sanders, Jim Malusa 2015-9-10 41841 Riverside Sonoran (Colorado) Desert: Salt Creek Canyon near top of alluvial fan, beside Summit Rd. c. 1.15 mi. below the old train trestle. 480 Comment
  CAS-BOT-BC451475  Chimaphila umbellata P. A. Munz 1922-9-6 6387 Riverside North fork of Tahquitz Creek 2209 Comment
  UCR95952B  Chimaphila umbellata Scott D. White 1996-8-1 4408 B Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA720299  Chloracantha spinosa Chris E. True 2004-7-16 s.n. Riverside Perris Valley; 1 mi. SE of Perris, San Jacinto River channel between Murrietta Rd. and Goetz Rd., SW of Case Rd. near the Perris Valley Airport 430 Comment
  UCR228739  Chloris truncata A. C. Sanders, T. B. Salvato 2011-3-28 38816 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  CAS-BOT-BC184873  Chloris virgata S. B. Parish 1913-2-26 8461 Riverside Salton Basin. Mecca. -57 Comment
  UCR172158  Chlorogalum parviflorum T. B. Salvato, Gregg Miller 2005-6-3 1376 Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 mi SW of Perris, 1.7 mi SW of the Goetz Road crossing of the San Jacinto River and c. 0.25 mi south of Ethanac Road 436 Comment
  RSA0123280  Chorizanthe brevicornu Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8993 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
  VVC2473  Chorizanthe brevicornu Tim Thomas 2013-3-18 5944 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  JOTR37480  Chorizanthe brevicornu var. brevicornu Hodges, Stephen, T. Green 2016-5-5 601 Riverside Joshua Tree National Park. Little San Bernardino Mountains; canyons below Upper Covington Flats, southwest of Covington Crest trail (Stop 2) Comment
  RSA554023  Chorizanthe brevicornu var. brevicornu A. C. Sanders, E. J. Lawlor 1992-4-4 12116 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA704544  Chorizanthe brevicornu var. brevicornu LeRoy Gross 2005-3-3 1578 Riverside Palen Mountains, south side. Near end of old prospect road. [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  RSA752219  Chorizanthe brevicornu var. brevicornu Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12583 Riverside San Bernardino Mountains: Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry. 640 Comment
  UCR20757  Chorizanthe brevicornu var. brevicornu A. C. Sanders, J. Zabriskie, Steve Boyd 1980-4-17 1324 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  CAS-BOT-BC191851  Chorizanthe corrugata Edmund C. Jaeger 1939-3-31 s.n. Riverside Box Canon [canyon] 30 Comment
  HSC85276  Chorizanthe fimbriata var. fimbriata Steve Boyd 1986-5-1 1785 Riverside SW Perris Basin: Hill W of Skunk Hollow. Comment
  HSC85293  Chorizanthe fimbriata var. fimbriata Steve Boyd 1986-5-1 1817 Riverside Lower S slopes of Bachelor Mtn., E end of Lake Skinner Comment
  UCR176988  Chorizanthe polygonoides subsp. longispina Ken Osborne 2005-3-29 s.n. Riverside Peninsular Range, Murrieta, west of Los Alamos Rd., c. 0.5 mi. south of Clinton Keith Rd, Adobe Springs area 457 Comment
  RSA588985  Chorizanthe polygonoides var. longispina D. E. Bramlet 1995-4-25 2395 Riverside Shipley reserve/SE corner of Lake Skinner Co. Park. Site is saddle overlooking Upper Part of Long Canyon. approximpatly 488m. SE of the park entrance road and adjacent (N.) of the equestrian trail. 526 Comment
  UCR256742  Chorizanthe polygonoides var. longispina T. B. Salvato, Matthew Malle 2013-4-11 7531 Riverside Gavilan Hills, southeastern slopes, hill above Black Powder Canyon and c. 0.5 mi north of the Temescal Canyon 419 Comment
  RSA27503  Chorizanthe rigida I. L. Wiggins 1941-3-24 s.n. Riverside East side of Salton Sea, 1 mile north of Imperial Co. Line Comment
Read comments
May 3 2014
  UCR177828  Chorizanthe staticoides S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR127578  Chorizanthe xanti var. leucotheca D. E. Bramlet 2003-5-28 3453 Riverside Base of San Jacinto Mtns., on spoil pile, 2,226 meters south of Cabazon, 2,287m northwest of Cabazon Peak, and 518m northwest of the Colorado River Aqueduct 535 Comment
  SBBG61607  Chrysolepis sempervirens M. Lewis 1947-8-26 14 Riverside E slope San Jacinto Mtns 274 Comment
  RSA688856  Chrysothamnus paniculatus Scott D. White, Michael Honer 2003-5-13 9250 Riverside San Bernardino Mtns: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  POM184062  Chrysothamnus teretifolius P. A. Munz 1932-10-16 12872 Riverside Indio to Vandeventer Flat. 1067 Comment
  UC218061  Chylismia brevipes subsp. brevipes P. A. Munz, D. Keck Apr 9 1922-Apr 12 1922 4894 Riverside vicinity of Corn Springs Colorado Desert, Chuckwalla Mountains 609 Comment
  CAS-BOT-BC160608  Chylismia claviformis subsp. aurantiaca Munz 1940-3-24 15711 Riverside 2 miles north of Cottonwood Springs, Eagle Mts. 914 Comment
  JEPS23461  Chylismia claviformis subsp. aurantiaca L. E. Carpenter circa 1914 Riverside Indio Colorado Desert Comment
  UCD103912  Chylismia claviformis subsp. aurantiaca Elizabeth Milauskas 1994-5-7 12 Riverside Agua Caliente Indian Reserve. 161 Comment
  POM17937  Cichorium intybus P. A. Munz 1923-6-14 7119 Riverside Corona Comment
  CAS-BOT-BC289647  Cirsium occidentale var. californicum Donald Kyhos 1958-5-16 58 -186 Riverside 1 mile up road toward summit of Mount Santa Rosa, San Jacinto Mountains Comment
  UCD130643  Cirsium occidentale var. californicum E. W. Lathrop 1966-5-8 6453 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest, Trabuco District. 274 Comment
  UCR202002  Cirsium occidentale var. californicum 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
  RSA502519  Cirsium occidentale var. occidentale Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3574 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  CAS-BOT-BC286460  Cirsium scariosum John Thomas Howell 1952-10-24 28865 Riverside South end of Santa Rosa Mts. Comment
  POM12039  Cirsium scariosum Mary F. Spencer 1921-6-15 474 Riverside Idyllwild, San Jacinto Mt. 1616 Comment
  RSA370864  Cirsium vulgare R. F. Thorne 1985-7-18 61280 Riverside De Luz; Arroya near Murrieta-Guava St. roads, a few miles S of Murrieta 385 Comment
  RSA615135  Citrus sinensis A. C. Sanders 1997-3-2 19774 Riverside N of Spruce St between the RR and the Gage Canal. near foot of Box Springs Mtns. 305 Comment
  RSA769618  Clarkia E. W. Lathrop 1974-6-4 7401 Riverside 3 miles southwest of Corona, Cleveland National Forest, Trabuco District 274 Comment
  UCR57208  Clarkia epilobioides Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., S of town of Murrieta, NE of Mesa del Burro. Rocky creek bed below Guava-DeLuz Road, c. 1.5 mi SW of intersection w/ Hayes Avenue Comment
  UCR48231  Clarkia purpurea R. F. Thorne, E. W. Lathrop 1975-5-25 45559 Riverside Santa Rosa Plateau, Santa Ana Mtns., Rancho California, Mesa de Burro 610 Comment
  UCR230218  Claytonia parviflora A. C. Sanders 2011-4-6 38980 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  RSA469301  Claytonia parviflora subsp. parviflora N. C. Cooper 1947-4-5 2119 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA585628  Claytonia parviflora subsp. viridis D. L. Banks, Steve Boyd 1995-3-15 0063 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 689 Comment
  UC489133  Claytonia parviflora subsp. viridis C. V. Meyer Jun 1927 187 Riverside Saunder's Meadows; San Jacinto Mts. 1676 Comment
  RSA386223  Clematis lasiantha E. Crow 1929-4-7 292 Riverside East end of Corona Skyline Drive, Santa Ana Mountains. Comment
  UCR133404  Clematis lasiantha Tracy Tennant, J. S. Ross 1998-5-7 MOR- 85 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  UCR154608  Clematis lasiantha A. C. Sanders, Mike Misenhelter 2005-6-15 31002 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
  UCSB9460  Clematis lasiantha Lloyd, Robert 1959-4-17 Riverside 4 miles south of West Corona on the Oak Flats Fire Road; Santa Ana Mt. Range 381 Comment
  RSA386286  Clematis pauciflora Ora M. Clark 1929-4-6 1940 Riverside S San Jacinto. Comment
  RSA248043  Cleome isomeris R. F. Thorne, C. W. Tilforth 1973-5-30 43581 Riverside Colorado Desert: Mouth of Morongo Valley at N end of Coachella Valley 549 Comment
  JOTR31071  Coleogyne ramosissima La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2334 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  RSA0117421  Collinsia concolor Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-1 3170 -D Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  CDA35600  Condalia globosa var. pubescens G. D. Barbe, J. L. Johnson 1982-11-2 4029 Riverside 14.5 mileseast of Eagle Mtn. Railroad on Bradshaw Trail, south of Chuckwalla Mountain 0 Comment
  SD122941  Convolvulus arvensis Steve Boyd 1985-7-23 1003 Riverside 5.2 miles west of Rancho California on De Luz Road. 395 Comment
  UCR104624  Convolvulus simulans D. E. Bramlet 1993-3-30 2300 Riverside Siegal Ranch Road approximately 90m south of Cajalco Road and 976m east of the intersection of Cajalco Rd. and Sierra Ave., 20 m west of Siegal Ranch Road 427 Comment
  UCR232357  Convolvulus simulans John F. Green 2008-4-17 0408- 28 Riverside Peninsular Range; Perris-Aguanga Valley, powerline route south of Perris, near McLaughlin Rd. between Murrieta Rd. and Goetz Rd. 448 Comment
  UCR77715  Convolvulus simulans Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6126 Riverside Peninsular Range, Vail Lake area, summit of Oak Mtn, north of lake near Henderson benchmark 823 Comment
  UCR98857  Convolvulus simulans A. C. Sanders, G. Helmkamp 1997-3-15 19998 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  HSC86915  Conyza bonariensis Steve Myers 1988-2-1 Riverside Boulder Springs Development, immediately SE of intersection of Hwy. 60 and Nason St., Moreno Valley 518 Comment
  RSA601163  Cordylanthus nevinii Scott D. White 1996-8-16 4484 Riverside Idyllwild area: SW of Pine Cove and W of Bear Trap Canyon, in watershed above Alvin Meadows (tributary to Toll Rd. Canyon). 1707 Comment
  UC1375271  Cordylanthus rigidus subsp. setiger C. W. Tilforth 1970-9-2 304 Riverside along fire road to Santa Rosa Mtn. Comment
  UCR29813  Coreopsis californica M. G. McLeod, D. J. Keil 1977-3-26 12010 Riverside Elsinore Basin, 8 mi. NW of Lake Elsinore State Recreation Area along Calif. Hwy 71 366 Comment
  HSC5414  Coreopsis douglasii C. L. Hitchcock, C. V. Muhlick 1964-3-17 23091 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
  CAS-BOT-BC101309  Corethrogyne filaginifolia I. W. Clokey; E. G. Anderson 1935-8-21 6963 Riverside East of Keen Camp P.O. 1350 Comment
  CAS-BOT-BC228592  Corethrogyne filaginifolia Jeremiah George 2011-9-8 s.n. Riverside Peninsular Range; Elsinore Trough: Lake Elsinore area, Terra Cotta Rd. at Coal Ave, Warm Springs Valley 409 Comment
  RSA259260  Corethrogyne filaginifolia P. A. Munz 1938-8-14 15383 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2438 Comment
  CLARK-A1528-1782  Corethrogyne filaginifolia var. bernardina John C. Roos 1951-9-25 5272 Riverside Riverside 259 Comment
  RSA0042780  Cornus nuttallii A. Lee Haines 1951-5-19 s.n. Riverside Dark Canyon, San Jacinto Mt. 1981 Comment
  UCSB4670  Cornus sericea DeWitt, Jack 1959-5-17 Riverside At Dark Canyon Camp grounds; near Idyllwild; San Jacinto Mtns. 1524 Comment
Read comments
Nov 5 2018
  SEINET3071319  Coryphantha alversonii Marc A. Baker, Michelle Cloud-Hughes 2011-1 Riverside Comment
  CLARK-A1528-5630  Cotula australis John C. Roos 1965-12-20 Riverside Riverside 243 Comment
  CAS-BOT-BC427778  Crassula connata John H. Thomas 1959-3-23 7573 B Riverside Between Banning and Cabazon, about 2 miles east of Banning near railroad tracks. 609 Comment
  RSA681896  Crassula connata Scott D. White 2001-3-13 8164 Riverside Perris / Elsinore Basin: Menifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. 442 Comment
  UCR108849  Crassula connata Heidi A. Haid 1968-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR112951  Crassula connata B. G. Pitzer 1998-3-1 3554 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  UCR116996  Crassula connata A. C. Sanders, T. B. Salvato 2001-5-3 24101 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR84875  Crassula connata A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16132 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCR91507  Crassula connata Scott D. White 1995-4-5 2760 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  SD253431  Cressa truxillensis Mitch Provance 2013-6-16 613 19 Riverside Santa Ana River Valley: City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, ca. 0.4 mile west of Van Buren. 226 Comment
  POM118203  Crossosoma bigelovii Theodore Labouchere 1915-4-15 s.n. Riverside Borders of the Colorado Desert on the easterly side of San Jacinto Mountain, in the lower Sonoran Zone. Comment
  LA204989  Croton californicus Elizabeth McClintock; 1938-4-9 sn Riverside Soboba Indian Reservation, San Jacinto Comment
  RSA651891  Croton californicus Marion P. Harthill 1971-3-19 10 Riverside Palm Desert. Comment
  RSA663933  Croton californicus C. R. Annable 1995-3-9 2255 Riverside ca. 13 km N of Rancho Mirage. BLM land behind A-1 Cement. Comment
  UCR121340  Croton californicus A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25031 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  UCR16192  Croton californicus K. A. Lamb 1968-4-29 680429- 01 Riverside E side San Jacinto River Wash on Main Street, San Jacinto, near Soboba Hot Springs Golf Course Comment
  UCR276653  Croton californicus Jim Andre 2015-3-6 33547 Riverside Coachella Valley, along Snow Canyon oad, just south of Hwy 111 362 Comment
  CAS-BOT-BC202497  Croton wigginsii Winfield 1975-4-27 2444 Riverside Snow Ck Rd ~3 mi from Hiway 111 Comment
  UCR193132  Cryptantha A. C. Sanders, Tim Thomas 2008-6-20 35527 Riverside Peninsular Range; San Jacinto Mtns., May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1610 Comment
  POM368208  Cryptantha angustifolia F. R. Fosberg 1932-3-13 10626 Riverside Thousand Palm Canyon, Coachella Valley Comment
  RSA517821  Cryptantha angustifolia Steve Boyd, Orlando Mistretta 1986-3-13 1438 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  RSA719069  Cryptantha angustifolia Michael Honer 2005-3-18 2097 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  RSA778623  Cryptantha angustifolia Duncan S. Bell 2009-3-8 64 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  SBBG6233  Cryptantha angustifolia H. and M. Dearing 1942-3-3 4806 Riverside Cathedral City Comment
  SBBG6239  Cryptantha angustifolia H. and M. Dearing 1942-4-3 4852 Riverside near Desert Center 518 Comment
  SDSU18687  Cryptantha angustifolia Kristen Hasenstab, M. G. Simpson 2008-4-1 52 Riverside Joshua Tree National Park. 500 ft south of Cottonwood Springs campground, along path that leads to the Mastodon Loop Trail. 928 Comment
  UCR279574  Cryptantha angustifolia A. C. Sanders, Jim Malusa 2017-3-28 43142 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  CHSC99603  Cryptantha barbigera LeRoy Gross 2005-3-3 1593 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W to 33.72053N, 115.11051W. General collecting along ridge with patino and a rejuvenate steep sided rocky, sandy canyon just to the east. All on a sparse vegetative pebbly plain bajada. 225 Comment
  CLARK-A1045-221  Cryptantha barbigera George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; dry wash; Lost Horse Mtn. 15'Q Comment
  POM46807  Cryptantha barbigera Mary F. Spencer 1920-3-24 1579 Riverside Crevices of rocks near Indian Wells 107 Comment
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Nov 19 2011
  UC218093  Cryptantha barbigera P. A. Munz, D. Keck 1922-4-9 4757 Riverside near Mecca; Shavers Well 76 Comment
  UCD119003  Cryptantha barbigera G. H. Vansell 1928-4-1 s.n. Riverside Coachella Valley. Comment
  UCSB38658  Cryptantha barbigera Cowan, Clark 1978-4-23 Riverside 12.1 mi (19.2 km) S on Hwy. 74 from jct. with Hwy. 111 at Indian Wells 950 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
  UCR269846  Cryptantha barbigera var. barbigera A. C. Sanders, Jim Malusa 2016-3-18 42376 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  SD185167  Cryptantha costata Nathan Moorhatch 2005-2-17 Riverside Coachella Valley, east edge of Santa Rosa Mountains, La Quinta, west of Washington St. between Ave. 48 and Lake La Quinta Dr. 17 Comment
  CAS-BOT-BC218762  Cryptantha holoptera Catherine A. Toschi 1963-4-10 63 :120 Riverside Boyd Desert Research Center, 5 miles south Palm Desert 304 Comment
  RSA784939  Cryptantha holoptera Duncan S. Bell 2012-2-12 3107 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 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
  RSA13343  Cryptantha intermedia Percy C. Everett 1935-6-17 7165 Riverside Santa Ana Mts. Coldwater Canyon trail to Santiago Peak. 2 miles above Glen Ivy resort. 609 Comment
  SD227780  Cryptantha intermedia A. C. Sanders 1994-5-29 14547 Riverside San Bernardino Mountains: Morongo Indian Reservation, sandy alluvial slopes among hills on the low pass between Millard Cyn. And Potrero Cr. 750 Comment
  UCD119851  Cryptantha intermedia Geoffrey Levin 1975-4-26 487 a Riverside Mayhew Canyon Wash, 1.5 miles southeast of Glen Ivy on Highway 71. 335 Comment
  UCR107399  Cryptantha intermedia B. G. Pitzer 1997-3-23 2987 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
  UCR260533  Cryptantha intermedia T. B. Salvato 2014-5-29 8028 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  RSA0076112  Cryptantha intermedia J. D. Olmsted 1962-5-2 3446 Riverside By saddle just north of highest part of Box Spring Mountains. By road from Pigeon Pass. 777 Comment
  UC100901  Cryptantha maritima H. M. Hall 1905-4-23 5858 Riverside Canyon Springs Colorado Desert Comment
  UCR241801  Cryptantha maritima A. C. Sanders, Ann Howald 2013-2-28 40564 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 3.4 miles west of Hwy 78, 11 km SW (250 deg. ) of Ripley 114 Comment
  NY1154442  Cryptantha micrantha N. H. Holmgren 1973-3-22 6462 Riverside Rice Valley, 7 miles south-southwest of Rice 274 Comment
  UC1063822  Cryptantha micrantha H. S. Yates 1937-3-23 6394 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UC857178  Cryptantha micrantha Lewis S. Rose 1937-4-10 37152 Riverside La Quinta 0 Comment
  RSA594773A  Cryptantha microstachys D. L. Banks, Dylan Hannon 1996-5-3 0967 A Riverside Agua Tibia Mountains; Foothills S of Hwy. 79, E of the Dripping Spring Campground, approximately 150 m SE of the Helipad at the upper camp sites., 33 deg 27' 46''N, 116 deg 57' 56'' W 524 Comment
  UCR172757  Cryptantha microstachys Abby Sirulnik, Ian G. Gillespie 2000-5-14 44 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  VVC125  Cryptantha microstachys A. C. Sanders, J. Mac 1997-5-4 20647 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
  RSA164814  Cryptantha muricata Wesley O. Griesel 1958-7-5 s.n. Riverside Dark Canyon. 1829 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
  SBBG53352  Cryptantha muricata var. jonesii J. Zabriskie 1975-3-26 Riverside Santa Rosa Mtns Comment
  RSA0079250  Cryptantha muricata var. jonesii F. M. Reed 1925-5-23 5049 Riverside Horsethief Canyon, Temescal Mountains. Comment
  UCR140935  Cryptantha nevadensis 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
  JEPS67801  Cryptantha pterocarya E. E. Schellenger May 1920 Riverside Chuckwalla Bench Colorado Desert Comment
  RSA339324  Cryptantha utahensis R. F. Thorne, C. W. Tilforth 1980-5-28 54206 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  UCD107531  Cucurbita foetidissima K. Esau 1935-6-15 s.n. Riverside Near Riverside. Comment
  JOTR35004  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
  POM4559  Cucurbita palmata I. M. Johnston 1918-5-30 1999 Riverside Between Elsinore and Perris. 548 Comment
  UCR260537  Cucurbita palmata T. B. Salvato, Matt Malle, Thomas M. Sullivan Jr 2014-5-30 8057 Riverside Perris-Aguanga Basin, Wildomar, c. 2 mi east of Lake Elsinore, west side of Mission Trail, north of Victorian Lane 387 Comment
  POM319696  Cuscuta californica Patricia Wilder 1971-5-13 4972 Riverside Prado Flood Control Basin at top of Prado Dam on west end, Drainage area Santa Ana River, Flood Plain. 229 Comment
  UCR127530  Cuscuta pentagona Scott D. White 1995-7-7 3452 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  UCR31682  Cuscuta pentagona John C. Roos 1951-9-25 5254 Riverside City of Riverside, west end of Fairmount Park 259 Comment
  UCR92615  Cuscuta subinclusa Scott D. White 1995-8-23 3563 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
  RSA662434  Cycloloma atriplicifolium J. C. Roos 1965-9-26 s.n. Riverside In Indio. Comment
  UCR94641  Cylindropuntia californica var. californica Scott D. White 1996-5-27 4078 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  SD248376  Cylindropuntia echinocarpa Michelle Cloud-Hughes, Tim Thomas and Kelsey Black 2013-3-24 89 Riverside Ripley 7.5'Q quad. Palo Verde Mesa, 14 km WSW of Blythe. 120 Comment
  SEINET9037740 Image available Cylindropuntia echinocarpa M. A. Baker 2015-1 18329 Riverside San Gorgonio Pass, 4km ENE of Banning, 33km WNW of Palm Springs, 800m east of the San Gorgonio River 660 Comment
  UCD97951  Cylindropuntia ramosissima Lionel A. Stange 1956-4-1 s.n. Riverside Near Forty Nine Palms oasis. Comment
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Jul 1 2012
  UCR112912  Cymbalaria muralis A. C. Sanders 1998-4-12 21751 Riverside Riverside, yard of residence at 5081 Magnolia Ave, corner of Chapman Pl. 256 Comment
  UCR119811  Cyperus erythrorhizos A. C. Sanders, T. B. Salvato, E. J. Lawlor, C. L. Sanders, et al 1999-8-22 23064 Riverside San Jacinto Mtns., NW shore of Lake Hemet, at Forest Service day use area 1322 Comment
  UCR89437  Cyperus retrorsus Steve Morgan 1994-9-13 s.n. Riverside Riverside, UCR campus in the Botanic Garden. Along the trail in the chaparral section just west of (below) the lath house Comment
  OBI68606  Cyperus rotundus K. E. Hoffmaster Jul-58 s.n. Riverside Indio Comment
  JEPS20762  Dalea mollis Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13243 Riverside 11.3 mi. n. Blythe (Hwy U.S. 95); wash arising in Big Maria Mts. Comment
  RSA684338  Dalea mollis Scott D. White, Michael Honer 2003-4-18 9037 Riverside Coachella Valley. Open sand north of the I-10 Freeway at Jefferson Ave. interchange. 12 Comment
  JOTR35380  Dalea mollissima Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 168 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  CAS-BOT-BC283041  Dasyochloa pulchella Welder 1907-4-1 s.n. Riverside Murray Wash, Palm Springs Comment
  RSA4963  Dasyochloa pulchella C. B. Wolf 1932-4-27 3034 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
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Dec 11 2011
  UC69226  Datisca glomerata F. M. Reed 1905-7-4 816 Riverside Coldwater Canyon, vicinity of Riverside Coldwater Canyon Comment
  UCR193503  Datisca glomerata A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35647 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  JEPS12291  Datura wrightii I. W. Clokey 1935-4-17 6876 Riverside Shaver Wells Comment
  RSA0088549  Datura wrightii Phung Hoang 2016-4-9 18 Riverside LA basin, White water canyon reserve. 536 Comment
  UCR116864  Daucus pusillus A. C. Sanders, Steven R. Hill 2001-5-4 24126 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  CAS-BOT-BC294112  Deinandra kelloggii H. M. Hall 1905-5-1 6239 Riverside Vicinity of Riverside. Gavilan Hills s.e. of Riverside 365 Comment
  UC76428  Deinandra kelloggii Miss M. Alice King 1893-4-1 Riverside Menifee Comment
  RSA675713  Deinandra mohavensis Scott D. White 2000-10-20 8136 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
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Dec 16 2012
  UC2030093  Deinandra mohavensis Scott D. White 2000-8-22 8120 Riverside SOUTH OF HEMET: Gibbel Flat in the Santa Rosa Hills. Comment
  CAS-BOT-BC292007  Deinandra paniculata John Green 2005-5-4 s.n. Riverside Perris-Aguanga Region: SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  SBBG104656  Deinandra paniculata M. A. Patten 1992-5-28 92 -13 Riverside just E of Temecula, between Pauba Rd on the N and De Portola Rd on the S, the W boundary of site adjacent to Butterfield Stage Rd 365 Comment
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Aug 24 2013
  JEPS23348  Delphinium cardinale W. L. Jepson May 17 1901-Jun 1 1901 1572 Riverside Temescal Wash Comment
  SD214619  Delphinium parishii subsp. parishii Edith A. Purer 1935-4-21 6469 Riverside Hillside, near Palm Springs, east side of San Jacinto Mountain Comment
  RSA0019620  Delphinium parishii subsp. parishii N. C. Cooper 1944-4-8 1069 Riverside Andreas Canyon. 457 Comment
  SBBG2468  Descurainia pinnata H. and M. Dearing 1942-3-1 4804 Riverside Cathedral City Comment
  UCR16447  Dicentra chrysantha K. Stolte 1978-5-28 s.n. Riverside 3-4 miles east of Junction of Hwy 79 and 371 ('71'), on Hwy 79 Comment
  UCR213853  Dicentra chrysantha Scott D. White, Justin M. Wood 2009-5-22 12920 Riverside San Jacinto Mountains, Halfway Spring, accessed via Old Control Road 1159 Comment
  RSA0047254  Dichelostemma capitatum J. Mark Porter, Leigh A. Johnson 1997-3-10 11463 Riverside Whitewater Canyon, ca. 1 mi. N of Whitewater (along Interstate 10). 474 Comment
  UCD139182  Dichelostemma capitatum Steve Boyd; Tim, Ross, Laurel Arnseth 1989-4-1 3176 Riverside Vail Lake area, southwest of the dam. 487 Comment
  SD73605  Dichelostemma capitatum subsp. capitatum Helen V. Witham 1970-5-1 859 Riverside Bautista Canyon, southeast of Hemet. 800 Comment
  RSA314491  Dicoria canescens R. F. Thorne 1982-10-8 55356 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  SEINET11853153  Dicoria canescens S. B. Parish, Parish, W. F. 1880-1 7 Riverside Whitewater Comment
  CAS-BOT-BC131051  Dieteria canescens var. ziegleri Philip A. Munz 1938-8-13 15332 Riverside Near Santa Rosa Peak 2316 Comment
  UCR113933  Digitaria ischaemum Mitch Provance, A. C. Sanders 2000-7-4 2096 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR1413  Digitaria sanguinalis Frank C. Vasek 1959-7-17 590717- 12 Riverside Riverside, residential garden of F.C. Vasek, 636 Sandalwood Court 335 Comment
  SJSU1769  Diplacus aurantiacus G. B. Youngberg 1956-3-27 181 Riverside hills near La Sierra College Arlington 251 Comment
  SJSU7699  Diplacus bigelovii R. C. McGehee 1970-3-5 137 Riverside Corn Springs Campground, 18 mi SE of desert Center Comment
  SD45172  Diplacus bigelovii var. bigelovii Helen K. Sharsmith 1952-4-11 4061 Riverside Mojave Desert, Lost Palms canyon, Eagle Mountains, ca. 2 miles from Shaver Summit 671 Comment
  CAS-BOT-BC152918  Diplacus brevipes Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  RSA0018429  Diplacus longiflorus var. longiflorus Scott D. White 2004-4-26 10264 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  SEINET3928472  Distichlis spicata R. L. Piemeisel 1913-5-25 3666 Riverside Crestmore field.; 0 Comment
  UC110733 Image available Ditaxis californica H. M. Hall 1905-4-1 5796 Riverside 7 mi w Coachella; Marshall Canyon; 7 miles W of Coachella, Marshall Canon, Colorado Desert, Riverside Co. 30 Comment
  JEPS3936  Ditaxis claryana Marjorie D. Clary 1933-3-13 Riverside Coral reef Ranch, Coachella Valley Comment
  CHSC110028  Ditaxis lanceolata Steve Boyd; Tammy Morgan, Aydee Virgen, Sarah DeGroot, 2004-5-14 11225 Riverside Colardo Desert; Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  GMDRC3549  Ditaxis lanceolata J. Andre, T. La Doux 2009-2-25 10806 Riverside Chuckwalla Mountains: growing on rocky (granitic) north-facing slope, approx 0.5 mi. south of I-10 freeway at Eagle Mtn Rd exit, USGS 7.5 min. Quad: Desert Center 33 deg. 41.303' N 115 deg. 27.236' W. Elev. 1358 ft. 414 Comment
  JEPS52442  Ditaxis lanceolata W. L. Jepson and H. M. Hall 1901-5-22 1400 Riverside Palm Canyon of Mt. San Jacinto and return to Van Deventer's; Mt. San Jacinto, Palm Canyon Comment
  RSA114357  Ditaxis lanceolata Percy C. Everett, E. K. Balls 1956-5-2 s.n. Riverside E. base, Eagle Mountains, 8 miles north of jct. with highway 60/70 on road to Eagle Mountain Pumping Station; Creosote Bush Scrub 366 Comment
  RSA676153  Ditaxis lanceolata Scott D. White 2001-4-3 8262 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA677301  Ditaxis lanceolata Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring. Comment
  RSA70427  Ditaxis lanceolata F. W. Peirson 1921-3-23 2805 Riverside Deep Canyon Wash, 12 miles southeast of Palm Springs. 152 Comment
  RSA793458  Ditaxis lanceolata Duncan S. Bell, John Anderson, Keir Morse 2012-11-11 4376 Riverside Mecca Hills: upper branch of Hidden Spring Canyon, approximately 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto. 250 Comment
  RSA793606  Ditaxis neomexicana Duncan S. Bell, Aaron Sedgwick 2012-9-13 4206 B Riverside The Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, 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
  UCD169623  Ditaxis neomexicana Scott D. White; Pam Devries 2006-3-14 11255 Riverside Eastern Coachella Valley: North of the I-10 Freeway a few miles east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  UC218136  Ditaxis serrata var. serrata P. A. Munz and R. D. Harwood 1920-4-3 3577 Riverside 30 mi. w. Blythe 365 Comment
  POM484  Dithyrea californica I. M. Johnston 1917-4-4 s.n Riverside Near Palm Springs. 152 Comment
  RSA30866  Dithyrea californica I. L. Wiggins 1937-3-9 8765 Riverside Sand dunes 20 miles north of Indio. Comment
  UC1329976  Dithyrea californica James E. Cole 1941-3-30 449 Riverside Pinto Basin Joshua Tree National Monument 457 Comment
  UC310226  Dithyrea californica Edmund C. Jaeger 1925-12-22 Riverside 5 mi e Palm Springs; Eagle Canyon Comment
  UCR245959  Dithyrea californica Duncan S. Bell 2009-3-8 63 Riverside Arica Mountains, north tip of range, c. 3 air miles NW of Priest Well, or c. 5.5 air miles SW of ghost town of Rice 404 Comment
  RSA500531  Dodecahema leptoceras Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3619 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA461477  Dodecatheon alpinum subsp. majus Claire Kibbe 1936-07 s.n. Riverside San Jacinto Mountans. 1982 Comment
  SEINET3148491  Draba corrugata F. M. Reed 1908-7-11 2517 Riverside Summit of San Jacinto Mts. 3292 Comment
  UC219594  Draba corrugata var. saxosa P. A. Munz 1922-6-28 5870 Riverside Toro Peak Santa Rosa Mts., Toro Peak 2529 Comment
  RSA66172  Draba cuneifolia var. integrifolia F. W. Peirson 1919-4-14 649 Riverside Murray Canyon, Palm Springs Region. Comment
  POM17941  Dryopteris arguta P. A. Munz 1923-6-14 7112 Riverside Glen Ivy Trail to Santiago Peak 1066 Comment
  RSA33796  Dryopteris arguta Norman C. Cooper 1944-5-21 1248 Riverside San Jacinto Mountains, West side 915 Comment
  RSA523531  Dryopteris arguta Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3990 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SD60444  Dryopteris arguta Reid Moran 1964-7-27 11863 Riverside N slope, Canyon of Santa Margarita River, 2.5 mi SSW of Temecula 199 Comment
  UCR92777  Dryopteris arguta D. L. Banks, Steve Boyd 1995-2-16 51 Riverside Peninsular Range; Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area: N slope of Agua Tibia Mtn, south of the Dripping Springs Alcove, east of the Woodchuck Trail 829 Comment
  RSA0015684  Dudleya Duncan S. Bell, John Anderson, Kim Clark, Ed Howland 2013-9-29 6042 Riverside Chuckwalla Mountains; on the south side of Corn Springs Wash, approximately 2.75 air miles west of Corn Springs and about 0.25 air mile southeast of Aztec Well. 609 Comment
  SD241802  Dudleya lanceolata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38401 Riverside Peninsular Range: southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341a^z) of intersection of I-15 and Lake St. 526 Comment
  UC1506122  Dudleya lanceolata Robert T. Clausen 1964-2-8 631047 b Riverside ridge sw Murrieta Comment
  POM10286  Dudleya multicaulis Charlotte M. Wilder 1905-5-31 583 Riverside West Riverside Plains Comment
  UCR281582  Dudleya pulverulenta Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-31 517- 114 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 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
  RSA771357  Dudleya saxosa subsp. aloides Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4450 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
  UCR200300  Dyssodia porophylloides Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11212 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-BC540733  Echinochloa colona Sarah J. De Groot; Amy Rouillard 2015-9-15 7563 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  JOTR35167  Echinochloa crus-galli La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3271 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
  SBBG129040  Echinochloa crus-galli D. Duguma 2013-7-7 Riverside Prado wetlands near Corona 155 Comment
  UCR2345  Echinochloa crus-galli F. M. Reed 1903-11-30 223 Riverside Riverside: Blaine Street, Ramona Ranch. 290 Comment
  UCR89823  Echinodorus berteroi Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  RSA40573  Eclipta prostrata J. C. Roos 1948-10-23 s.n. Riverside Mud at edge of shallow pool. Comment
  RSA69869  Eclipta prostrata J. C. Roos 1951-9-22 52332 Riverside Fairmont Park. 244 Comment
  UCR114333  Ehrharta erecta Mitch Provance 1998-7-23 922 B Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  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
  RSA198947  Elatine chilensis R. F. Thorne, E. W. Lathrop, P. A. Munz 1968-5-8 37559 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 671 Comment
  RSA92090  Eleocharis geniculata F. W. Peirson 1921-3-20 2923 Riverside Palm Canyon, east base of San Jacinto Mountains 305 Comment
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Oct 1 2011
  UC485123  Eleocharis macrostachya Carl V. Meyer 1928-7-30 580 Riverside Saunders Meadow San Jacinto Mountains Comment
  UCR75302  Eleocharis macrostachya A. C. Sanders 1993-4-5 13699 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  UCR109648  Eleocharis parishii T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  UCR178205  Eleocharis parishii T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 903 Riverside San Bernardino Mtns., Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07 1220 Comment
  UCR207612  Eleusine indica O. F. Clarke 2003-9-29 s.n. Riverside Peninsular Range; Box Springs Mtns. Foothills, Riverside, UCR Campus 335 Comment
  UCR116677  Elymus condensatus A. C. Sanders, Chet McGaugh 2001-7-26 24470 Riverside Perris-Aguanga Basin region, Mockingbird Creek, beside Harley John Rd. just above Mockingbird Canyon Rd., Woodcrest area, Riverside 427 Comment
  UCR2356  Elymus condensatus F. M. Reed 1905-6-4 769 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside. Roadside near Chinatown Ford. [Near where Arroyo Tequesquite joins the Santa Ana River] 236 Comment
  UCR24986  Elymus hispidus A. C. Sanders 1980-7-18 1677 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  RSA740648  Elymus trachycaulus subsp. trachycaulus Scott D. White, Justin M. Wood 2008-6-19 12273 Riverside Meadows at Baldy Mtn. 1585 Comment
  SEINET3222769 Image available Elymus triticoides Steve Boyd 1985-7-23 1006 Riverside De Luz Rd, 5.5 mi W of Rancho California. 400 Comment
  NY411116  Emex spinosa N. D. Atwood 1993-3-27 17696 Riverside Corona Del Mar State park along Newport Coast Drive. 0.0 Comment
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Jul 14 2012
  RSA401445A  Emmenanthe penduliflora J. Jones, Christopher Davidson 1980-4-4 9941 Riverside West end of the Orocopia Mtns. in a small canyon and wash almost due south of Oro peak. 518 Comment
  UC1124258  Emmenanthe penduliflora H. S. Yates 1937-3-23 6407 Riverside 3 miles N of Palm Springs; San Jacinto Quad. 213 Comment
  UCR22033  Emmenanthe penduliflora Steve Boyd 1980-5-11 237 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
  UCR57204  Emmenanthe penduliflora Ed LaRue 1989-6-11 s.n. Riverside Peninsular Range, W side of Lakeview Mtns., c. 1 mi SE of town of Nuevo 640 Comment
  UC1118041  Encelia actoni A. E. Wieslander 1938-5-5 741 Riverside 1 mi s Black Hill; Thermal Quad. 975 Comment
  UCR520  Encelia californica Eugene Cardiff 1954-4-5 s.n. Riverside San Bernardino Valley Region, Santa Ana River, near Pedley 207 Comment
  RSA0070273  Encelia farinosa Cheryl Sevilla, Sarah J. De Groot 2015-2-18 17 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; on the slope to the east of Mission Creek; 0.5 miles north-northwest of the Stone House. 805 Comment
  RSA0117922  Encelia farinosa Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7645 Riverside Mecca Hills: hills around Shaver's Well, along Box Canyon Road; south edge of Shaver's Valley, east-northeast of Mecca. 294 Comment
  UCR138831  Encelia farinosa D. L. Banks 1997-4-5 1669 Riverside Agua Tibia Mtns., NW Palomar Mtns: Pechanga Indian Reservation. south of Dorland Mountain, just west of the Wilderness Area Boundary, along a tributary of the N fork of Pechanga Creek 640 Comment
  UCR272421  Encelia farinosa Cheryl Sevilla, Sarah J. De Groot, Duncan S. Bell 2015-2-10 005 Riverside Santa Rosa Mountains, Bear Creek drainage , 2.3 air miles west of Lake Cahuilla, south of La Quinta, north of Devil Canhyon, southwest of Coachella Valley 193 Comment
  POM6935  Encelia farinosa var. farinosa P. A. Munz, L. T. Street 1919-5-7 2721 Riverside Mouth of Tahquitz Canyon. Comment
  JEPS49124  Ephedra W. L. Jepson 1928-4-23 12565 Riverside Cottonwood Spring Colorado Desert, Eagle Mts. (rocky slopes and mesas) 731 Comment
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Oct 23 2011
  SD124750  Ephedra aspera A. C. Sanders, D. Charleton & B. Pitzer 1986-3-3 6142 Riverside north foot of the Chuckwalla Mountains, 2.75 miles airline southeast of Desert Center 365 Comment
  SBBG22847  Ephedra californica D. Myrick 1965-3-4 1077 Riverside Palms to Pines Hwy (St Hwy 74) 914 Comment
  UC1083311  Ephedra californica H. L. Mason 1928-3-10 4188 Riverside White water River Comment
  UCR178557  Ephedra californica R. G. Swinney 1967-2-12 0020 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  RSA85180  Ephedra fasciculata F. W. Peirson 1928-4-24 7904 Riverside Cottonwood Spring, west end of Eagle Mtns. Comment
  SBBG395  Ephedra nevadensis H. and M. Dearing 1942-3-10 4828 Riverside Dos Palmas Cyn, near Palms to Pines Hwy Comment
  UC1979839  Ephedra trifurca Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-6 987 Riverside Mojave Desert; Southcentral Mojave Desert region: Iron Mountains, on southwest side of mountains in drainage on either side of the road. Comment
  JOTR00968  Ephedra viridis Cole, James E. 1941-4-10 509 Riverside Joshua Tree National Park. TWIN TANKS 1158 Comment
  UCR92156  Epilobium canum subsp. canum D. L. Banks, Steve Boyd 1995-10-17 0812 Riverside NW Palomar Mtns; Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, south of the Dripping Springs Campground. Along alluvial benches where Arroyo Seco turns to the E, just west of the Metasedimentary hills 525 Comment
  UCR90591  Epilobium ciliatum Scott D. White 1995-6-29 3408 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  RSA740837  Epilobium densiflorum Scott D. White, Justin M. Wood 2008-7-8 12399 Riverside San Jacinto Mountains: Johnson Meadow. 1439 Comment
  RSA736382  Epilobium pygmaeum Scott D. White, Justin M. Wood 2008-5-1 11923 Riverside Perris Basin: I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  RSA652885  Equisetum hyemale var. affine John Wallace 1991-5-5 12 Riverside Colorado River, Palo Verde Dam. 5 yards east of outflow foot bridge. Comment
  RSA520081  Equisetum laevigatum Steve Boyd, Dave Bramlet 1988-10-8 2871 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  RSA586936  Equisetum laevigatum Darin L. Banks, Peter Morrell 1995-5-4 302 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, along Arroyo Seco. 597 Comment
  UCR123836  Equisetum laevigatum Steven R. Hill 2001-4-29 33531 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
  RSA567643  Eragrostis curvula var. conferta S. Morgan 1992-7-27 92 -7 Riverside UCR campus. A weed in the Latin American section of the UCR Btanic Garden; garden quad. F-4. Origin unknown, but possible an escape from a grass collection that was in another part of the garden(K-8)ca. 15 yrs ago. Comment
  POM267971  Eragrostis mexicana subsp. mexicana E. Johnson 1944-11-24 s.n. Riverside Corona Fothill Lemon Co., Corona Comment
  UCR2388  Eragrostis pectinacea var. pectinacea F. M. Reed 1904-8-10 85 Riverside Riverside Comment
  SEINET3143238  Eremalche exilis Unknown 1906-1 746 a-6727 Riverside Colorado Desert @ Palm Springs. Comment
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Jul 21 2016
  RSA432730  Eremalche rotundifolia Anstruther Davidson 1930-5-27 s.n. Riverside 50 miles East of Colorado Desert Comment
  UCR196386  Eremalche rotundifolia Naomi Fraga, Lisa Rojas 2005-2-10 1408 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  POM312754  Eremocarpus setiger D. Taylor 1952-10-30 394 Riverside Santa Ana Mts., head of Sycamore Canyon-near Riverside. 457 Comment
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Mar 27 2014
  SBBG18982  Eremocarya lepida M. A. Piehl 1963-6-2 63545 Riverside Hwy 74, ca. 1.2 mi W of Mountain Center 1341 Comment
  RSA506437  Eremogone ferrisiae Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mountains. Garner Valley, Hwy 74, across from Kenworthy Forest Station. Comment
  SBBG60424  Eremothera boothii subsp. decorticans M. N. Ackley 1928-4-3 761 Riverside Devil's Cyn, Coral Reef Ranch 152 Comment
  UCD170651  Eremothera 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
  UCR245259  Eremothera refracta Jim Andre 2012-3-19 21306 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
  UCD118286  Eriastrum densifolium Mitch Provance; Kerry Knudsen, Petra Wester 2004-5-8 9001 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mile NE of Black Hills. 854 Comment
  UCR252812  Eriastrum densifolium subsp. sanctorum Ana Hernandez, Angela Collada 2013-6-12 046 Riverside Santa Ana River, between Market Street and Mission Blvd 245 Comment
  JEPS24948  Eriastrum diffusum P. A. Munz and I. M. Johnston 1922-5-6 5169 Riverside Dry Morongo Wash Little San Bernardino Mountains Comment
  POM8324  Eriastrum eremicum Mary F. Spencer 1918-5-7 s.n. Riverside San Jacinto Mountains 1524 Comment
  JEPS69032  Eriastrum eremicum subsp. eremicum W. L. Jepson 1920-5-1 8915 Riverside Palm Springs of San Jacinto Comment
  RSA0120401  Eriastrum eremicum subsp. eremicum H. de Forest, Jack Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 602 Comment
  RSA0120675  Eriastrum harwoodii Duncan S. Bell 2010-4-2 686 Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; approximately 2.5 air miles northwest of Priest Well; collecting along a steep sand ramp at the head of the main western drainage for the mountain range. 559 Comment
  UC729817  Eriastrum sapphirinum Carl B. Wolf 1932-8-4 3915 Riverside near Idyllwild; San Jacinto Mts., Point View 1645 Comment
  UCD118317  Eriastrum sapphirinum Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mountains, ca. 1 mile SE of town of Nuevo. 640 Comment
  UCR193861  Eriastrum sapphirinum A. C. Sanders, Mitch Provance 2008-7-11 35769 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  RSA0135761  Eriastrum sapphirinum subsp. dasyanthum Sarah J. De Groot, Robert K. Lauri 2005-7-7 5113 Riverside Western San Jacinto Mountains: Along Chimney Flat Road/Old Control Road 5S08. 796 Comment
  UCR280913  Eriastrum sapphirinum subsp. dasyanthum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 40 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  RSA0121590  Eriastrum sapphirinum subsp. dasyanthum J. T. Howell 1928-7-9 1078 Riverside Temecula Grade, 4 miles S of Temecula. 396 Comment
  HSC85299  Eriastrum sapphirinum subsp. sapphirinum Steve Boyd 1986-5-7 1844 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck trail, S of I-15 Comment
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Dec 6 2013
  SD255240  Eriastrum sapphirinum subsp. sapphirinum Duncan S. Bell, Evan Meyer and Sonia Pena 2015-10-20 8723 Riverside Santa Rosa Mountains; approximately 0.75 air mile west of the summit of Santa Rosa Mountain. 2196 Comment
  RSA597062  Ericameria brachylepis D. L. Banks, Lauren Raz 1996-11-5 1147 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
  UCD131304  Ericameria cuneata Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-24 255 Riverside east of south end of Marion Ridge Road, Pine Cove, Idyllwild, San Jacinto Mountains. 1828 Comment
  RSA545233  Ericameria cuneata var. spathulata R. F. Thorne 1970-10 41883 Riverside San Bernardino Mts, Whitewater Canyon: 1350ft near bridges and Whitewater Post Office to 2000 ft up the Canyon toward fish hatchery Comment
  UCR244391  Ericameria linearifolia Jim Andre 2012-4-16 20965 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  CAS-BOT-BC299535  Ericameria paniculata J. C. Roos 1965-11-6 s.n. Riverside Whitewater 304 Comment
  CAS-BOT-BC299545  Ericameria paniculata S. B. Parish 1907-4-22 6191 Riverside Palm Canyon, western base of the Colorado Desert 200 Comment
  HSC47477  Ericameria paniculata Richard Spjut 1978-11-21 5234 Riverside Colorado Desert; N of North Palm Springs along Indian Ave. Comment
  SD44539  Ericameria pinifolia J. B. Marks 1948-6-20 Riverside above Banning 915 Comment
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Mar 13 2011
  UCD131584  Ericameria teretifolia G. L. Webster; R. Hildreth 1966-12-9 7454 Riverside Joshua Tree National Monument, Split Rock. Comment
  UCR213847  Erigeron divergens Scott D. White, Justin M. Wood 2009-5-21 12874 Riverside San Jacinto Mountains, Garner Valley, 0.5 mi northwest of Morris Ranch Road (Kenworthy Ranger Station) 1387 Comment
  POM97995  Erigeron divergens E. C. Jaeger 1926-4-15 s.n. Riverside Desert Queen Mine 1220 Comment
  UCR96422  Erigeron foliosus Scott D. White 1996-8-1 4432 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  POM49855  Eriodictyon crassifolium P. A. Munz, I. M. Johnston 1924-7-29 8873 Riverside Roadside in chaparral near poppet Flat Comment
  UCR270180  Eriodictyon crassifolium var. crassifolium A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42396 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
  RSA699633  Eriodictyon trichocalyx Keith E. Hoffmaster 1933-4-13 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  UCR110967  Eriodictyon trichocalyx George K. Helmkamp 1998-6-27 4098 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  UC219595  Eriodictyon trichocalyx var. lanatum P. A. Munz 1922-6-25 5816 Riverside Santa Rosa; Santa Rosa Mts., Santa Rosa 1524 Comment
  SDSU5921  Eriogonum apiculatum F. Youngberg 1933-8-26 Riverside Idyllwild, San Jacinto Mts. Comment
  SEINET7873764 Image available Eriogonum apiculatum Louis Wheeler 1945-1 6412 Riverside San Jacinto Mountains: divide between West Fork Snow Creek and North Fork San Jacinto River 2377 Comment
  UCR272169  Eriogonum apiculatum Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-6-16 8571 Riverside Santa Rosa Mountains, along Forest Service Road 7S02, c. 0.7 air mile west of the summit of Santa Rosa Mountain Comment
  SEINET5328306  Eriogonum apiculatum J. L. Reveal, Caroline G. Reveal 1972-8-9 2861 Riverside San Jacinto Mtns., along California Hwy 243, 4.4 mi NNW of Idyllwild, 8.9 mi N of the junction with Hwy 74, and 1 mi S of Alandale Ranger Station, Comment
  JEPS56685  Eriogonum davidsonii Carl V. Meyer 1928-7-30 577 Riverside Saunders Meadow San Jacinto Mt. Comment
  RSA0093774  Eriogonum davidsonii Duncan S. Bell 2015-9-30 8680 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  UCR242669  Eriogonum davidsonii A. C. Sanders 2013-7-6 40844 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE side of town near south end of South Ridge, near junction of Tahquitz View Dr. and FS Rd. 5S11 1784 Comment
  UCR38701  Eriogonum davidsonii J. M. Stewart 1985-4-22 8518 Riverside Santa Rosa Mountains, Dead Indian Wash at Hwy 74, south of Palm Desert Comment
  CAS-BOT-BC256131  Eriogonum deflexum var. deflexum Ynez Whilton Winblad 1937-1-16 s.n. Riverside Box Canyon Comment
  HSC28456  Eriogonum deflexum var. deflexum Richard Spjut 1973-5-5 3347 Riverside Colorado Desert, near Corn Spring, Chuckawalla Mtns. 305 Comment
  POM8641  Eriogonum deflexum var. deflexum P. A. Munz, R. D. Harwood 1920-4-8 3570 Riverside Ford's Well west of Blythe. Comment
  RSA554244  Eriogonum deflexum var. deflexum Theo Glenn 1991-5-30 91 -120 Riverside Mule Mtns, 0.2 mi. E of the Opal Hill Mine, just N of the Imperial County line and W of Palo Verde. Comment
  RSA799254  Eriogonum deflexum var. deflexum Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 734 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  UC66494  Eriogonum deflexum var. deflexum E. E. Schellenger 1904-10-19 5 Riverside Chucawalla Bench Colorado Desert, Chucawalla Bench Comment
  UCD99943  Eriogonum deflexum var. deflexum Geoffrey Levin 1976-10-17 1173 Riverside Box Canyon, about 11 miles east of Mecca. Mecca Hills mountain range. 91 Comment
  SEINET6170721 Image available Eriogonum deserticola Marjorie D. Clary 1933-1 2021 Riverside Along the South shore of Salton Sea -76 Comment
  POM184161  Eriogonum elongatum M. French Gilman 1932-11-30 9 Riverside Cabazon. Comment
  RSA0012645  Eriogonum fasciculatum April Garbat, Naomi Fraga, Kristin Forgrave, Tyler Schappe 2013-5-21 71 Riverside Canyon west of San Bernardino National Forest boundary (San Jacinto Ranger District), north over edge from road from Cranston Fire Facility (off Highway 74, aka Florida Ave). Orange Grove Canyon. 618 Comment
  UCR177510  Eriogonum fasciculatum subsp. polifolium A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32529 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  RSA0036808  Eriogonum fasciculatum var. fasciculatum Bob Rogers 1984-4-21 10 Riverside Along trail and bank area on the west side of Strawberry Creek heading upstream. Starting point was 4.9 miles from Cranston ranger station heading East on Hwy.74. 914 Comment
  SEINET6418413  Eriogonum fasciculatum var. fasciculatum Pinkava, McLeod 1970-11-8 311 Riverside 1 mile N of San Diego County line. Highway 71 914 Comment
  POM159934  Eriogonum fasciculatum var. flavoviride E. C. Jaeger 1926-3-26 s.n. Riverside Eagle Mts. Comment
  CAS-BOT-BC250132  Eriogonum fasciculatum var. polifolium Nancy Ryan Zabriskie; Walter Zabriskie 1972-3-28 479 Riverside North Canyon, Andreas Canyon drainage, east slope San Jacinto Mts. 609 Comment
  CAS-BOT-BC250142  Eriogonum fasciculatum var. polifolium C. L. Hitchcock 1940-3-30 5874 Riverside Cottonwood Spring Comment
  RSA739340  Eriogonum fasciculatum var. polifolium Keith E. Hoffmaster 1933-4-13 313 Riverside Palm Springs. Comment
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Aug 27 2011
  UC162681  Eriogonum fasciculatum var. polifolium H. M. Hall 1897-7-3 Riverside vicinity of Riverside 457 Comment
  UCD100065  Eriogonum fasciculatum var. polifolium Collector unknown 1923-3-26 344 Riverside near Tahquitz Wash. Comment
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Feb 17 2013
  CAS-BOT-BC253491  Eriogonum gracile James L. Reveal; Caroline G. Reveal 1972-8-6 2843 Riverside Along California Highway 74, 3 miles southwest of Elsinore at the north end of Elsinore Mountains about 0.6 mile southwest of the turnoff to Lakeland Village Comment
  RSA518778  Eriogonum gracile var. gracile Scott D. White 1990-10-23 s.n. Riverside 8.5 mi. (airline) ENE of Temecula; E of De Portola Rd. on El Dorado Rd. 488 Comment
  RSA0100140  Eriogonum gracile var. incultum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8558 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  UCD100480  Eriogonum nidularium G. L. Webster; R. Hildreth 1966-12-9 7453 Riverside Joshua Tree National Monument, at Split Rock. 1310 Comment
  JOTR35298  Eriogonum pusillum Andre, Jim 2012-4-11 20795 Riverside Joshua Tree National Park. western margin of Eagle Mountains, along road to Cottonwood Spring (Utah Trail), 0.7mi N of Cottonwood Visitor Center 956 Comment
  RSA239808  Eriogonum pusillum C. W. Tilforth 1973-4-29 778 Riverside Hwy 74, ca. 9 mi. S of bridge at base of Seven Level Hill, S of Palm Desert. Comment
  UCR188790  Eriogonum pusillum Jim Andre 2006-4-26 7797 Riverside South Mojave Desert, Joshua Tree National Park, upper Long Canyon, canyon bottom c.1 mi north of Rattlesnake Spring 1321 Comment
  RSA0048306  Eriogonum pusillum A. Lee Haines 1973-3-25 s.n. Riverside Orocopia Mts. Comment
  UC64563  Eriogonum saxatile H. M. Hall 729 Riverside San Jacinto Mountains 2438 Comment
  RSA777533  Eriogonum thomasii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 907 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  RSA779594  Eriogonum thomasii Duncan S. Bell 2009-3-7 26 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
  SD260121  Eriogonum thomasii J. M. Andre 2013-3-4 23864 Riverside Sandy bluffs overlooking Colorado River, 0.2 mi. east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point. 96 Comment
  SEINET3088161 Image available Eriogonum thomasii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2740 Riverside Chuckwalla Mtns: Graham Pass Rd, 10.6 mi. SSW of Chuckwalla Valley Rd. Comment
  SJSU8836  Eriogonum thomasii R. C. McGehee 1970-4-15 196 Riverside Wileys Well c. 26 mi SW of Blythe Comment
  UCR196356  Eriogonum thomasii Naomi Fraga, Lisa Rojas 2005-2-10 1354 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCSB1523  Eriogonum thomasii Krogen, Roger 1957-1 Riverside 4 mi. S of Jct. of HWY 195 and HWY 60-70; at N edge of Orocopia mts Comment
  CAS-BOT-BC262868  Eriogonum thurberi James L. Reveal; C. Rose Broome 1987-6-27 6600 Riverside San Gorgonio Pass, along Esperanza Avenue at Almond Street south of Cabazon above the northern bank of the San Gorgonio River 541 Comment
  CAS-BOT-BC262874  Eriogonum thurberi Annie M. Alexander; Louise Kellogg 1941-4-24 2077 Riverside Morongo Valley Gorge of Dry Morongo Creek 640 Comment
  UCR35086  Eriogonum thurberi L. B. Ziegler 1968-5-7 283 Riverside San Jacinto Mtns, near mouth of Bautista Canyon, foothills of San Jacinto Mtns. 612 Comment
  RSA656534  Eriogonum trichopes A. C. Sanders 2000-4-27 23372 Riverside east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 15 Comment
  CAS-BOT-BC264924  Eriogonum wrightii var. membranaceum Louis C. Wheeler 1931-10-3 181 Riverside Strawberry valley, San Jacinto Mts. 1584 Comment
  CAS-BOT-BC264933  Eriogonum wrightii var. membranaceum F. H. Billings 1932-10-15 2 Riverside Morongo Valley near Redlands Comment
  CAS-BOT-BC261788  Eriogonum wrightii var. nodosum Lewis S. Rose 1935-12-23 35696 Riverside Colorado Desert. Above Deep Canyon, San Jacinto Mts., 22 mi. S. of Cathedral City 914 Comment
  POM4896  Eriophyllum ambiguum var. paleaceum I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 274 Comment
  UCR101334  Eriophyllum confertiflorum A. C. Sanders 1997-4-10 20331 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UC1118333  Eriophyllum confertiflorum var. confertiflorum A. Lewis 1933-1-26 142 Riverside Cactus Valley San Jacinto Quadrangle, Cactus Valley 640 Comment
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Mar 20 2011
  POM13860  Eriophyllum multicaule P. A. Munz 1922-4-29 5080 Riverside Sedco Station, Temescal Canyon Comment
  POM358078  Eriophyllum multicaule B. C. Templeton 1931-4-23 s.n. Riverside Gavilan Peak. 600 Comment
  UC134916  Eriophyllum multicaule C. R. Orcutt 1891-4-1 2272 Riverside near Elsinore Comment
  CAS-BOT-BC302038  Eriophyllum wallacei H. M. Hall 1901-6-1 2053 Riverside San Jacinto Mountains. In the vicinity of Chalk Hill 1524 Comment
  JEPS5371  Eriophyllum wallacei Carl V. Meyer 1929-6-13 758 Riverside along the grade from the San Jacinto River Canyon to Idyllwild (lower slopes of the mountains); San Jacinto Mountains, Chalk Hill 1463 Comment
  JOTR30965  Eriophyllum wallacei La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1940 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  POM305633  Eriophyllum wallacei Henry J. Ramsey, Henry J. Ramsey 1937-3-2 866 Riverside Betw Desert Center and Indio Comment
  RSA729265  Eriophyllum wallacei R. F. Thorne 1973-3-30 42703 Riverside Mojave Desert: southeast end Johnson Valley, c. 20 mi north of Yucca Valley and 12 mi east-southeast of Old Woman Springs. 976 Comment
  RSA80985  Eriophyllum wallacei G. R. Campbell 1952-4-5 18371 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  SDSU13540  Erodium botrys W. Miller with C. Mosse 1972-7-20 Riverside South border by Royal Oak Ranch, next to road. Comment
  UCR137705  Erodium brachycarpum D. L. Banks 1997-3-16 1541 Riverside NW Palomar Mountains, Agua Tibia Mountains, N face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound 567 Comment
  CLARK-A1528-2957  Erodium cicutarium John C. Roos 1965-6-30 Riverside Perris Comment
  CSUSB48  Erodium cicutarium Steve Stadler 1966-3-2 030266 22 Riverside Riverside city. Found in open field west of the corner of Blain Street and Canyon Crest. 50 yards from corner in back of a house. 304 Comment
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Sep 29 2011
  UCR174149  Erodium cicutarium A. C. Sanders 2006-5-19 32442 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
  UCR262456  Erodium texanum Stan C. Spencer 2001-4-13 s.n. Riverside Peninsular Range, edge of Wilson Creek, east of Sage Rd. near Radec 511 Comment
  RSA198975  Eryngium aristulatum var. parishii R. F. Thorne, E. Lathrop, P. A. Munz 1968-5-8 37572 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  RSA0020236  Erythranthe breweri Steve Boyd, Gary D. Wallace 2005-7-30 11637 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  CAS-BOT-BC9466  Erythranthe diffusa Philip Alexander Munz 1937-5-30 15092 Riverside North of Vandeventer Flat, Santa Rosa Mtns. 1676 Comment
  UCD96497  Eschscholzia androuxii Shannon M. Still 2009-4-19 547 Riverside California. Riverside County: Joshua Tree National Park. Next to stone outcropping off of Old Dale Road. 722 Comment
  UC64136  Eschscholzia californica H. M. Hall 1897-4-18 445 Riverside Beaumont Comment
  RSA69367  Eschscholzia californica var. peninsularis G. R. Campbell 1951-5-30 16140 Riverside just west of Cahuilla. 1067 Comment
  UCD94204  Eschscholzia glyptosperma Shannon M. Still 2008-3-21 315 Riverside California. Riverside County: Little Maria Mountains on Midland Road. North of pass through the mountains just off west side of the road. 271 Comment
  UC1093132  Eschscholzia minutiflora Richard Snow 1953-4-5 51 Riverside Box Canyon Comment
  UC575035  Eschscholzia minutiflora C. Epling and Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino Mountains 1524 Comment
  CAS-BOT-BC419614  Eschscholzia parishii Richard Snow 1952-4-14 11 -1 Riverside Road to Morongo Valley, 7.8 miles from junction with Highway 99/60/70 Comment
  CAS-BOT-BC419617  Eschscholzia parishii Javier Penalosa 1962-4-10 2772 Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  CAS-BOT-BC419628  Eschscholzia parishii Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  CLARK-A1528-687  Eschscholzia parishii Fred B. Essig 1967-3-12 Riverside Joshua Tree National Park Comment
  JOTR28954  Eschscholzia parishii La Doux, Tasha 2005-3-30 1190 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA444327  Eschscholzia parishii Walter Wisura 1988-3-1 4195 Riverside 2.5 mi fr. I 10 along Box Canyon Rd. toward Mecca Comment
  UC421604  Eschscholzia parishii John Thomas Howell 1928-3-25 3539 Riverside Painted Canyon Colorado Desert Comment
  UCR192672  Eucalyptus camaldulensis Matt Ritter, Jenn Yost, A. C. Sanders 2007-10-18 322 Riverside University of California, Riverside; Botanic Garden 366 Comment
  UCR260606  Eucalyptus tereticornis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41560 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Canyon NW of Horsethief Canyon Rd. along DePalma Rd., SE of Glen Eden Rd. and south of the east end of Lee (Corona) Lake, south side of I-15 370 Comment
  POM47495  Eucrypta micrantha Mary F. Spencer 1920-3-27 1595 Riverside Palm Springs. 122 Comment
  RSA0123776  Eucrypta micrantha Duncan S. Bell, LeRoy Gross 2016-3-10 8873 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  UCR33572  Eucrypta micrantha Faulkner 1978-3-15 273 Riverside Sonoran (Colorado) Desert, 1 mi. west of Hwy 95, 25 mi. north of Blythe 152 Comment
  UCSB42178  Eucrypta micrantha Roos, John 1966-3-26 Riverside 2 miles SE of Desert Center Comment
  UC1333288  Eulobus californicus Charles B. Fiker 1946-6-17 3581 Riverside San Mateo Canyon Comment
  UCR120909  Euphorbia albomarginata A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24947 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  JOTR33803  Euphorbia eriantha La Doux, Tasha, B. Truesdell 2007-11-9 3301 Riverside Joshua Tree National Park. Eagle Mountains; along south boundary of park, open bajada below mouth of Lost Palms Canyon (STOP 2) 601 Comment
  UCR239823  Euphorbia maculata O. F. Clarke 2003-9-1 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR90830  Euphorbia nutans A. C. Sanders, G. K. Helmkamp 1996-3-17 17976 Riverside Coachella Valley, North Palm Springs (Garnet) I-10 at Indian Ave., north of Garnet Ave. 244 Comment
  UCR85435  Euphorbia ocellata George K. Helmkamp 1994-4-26 88 7 Riverside Western Colorado Desert, Indio Hills; north of the landfill on Edom Hill 213 Comment
  SD119921  Euphorbia polycarpa Louis B. Ziegler 1976-9-20 555 Riverside Colorado Desert, north end around Desert Hot Springs, sandy washes & hillsides 380 Comment
  RSA561782  Euphorbia spathulata Steve Boyd 1992-4-14 6846 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  RSA392122  Eustoma exaltatum Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  SBBG119060  Euthamia occidentalis S. D. White with A. Carey 2004-9-16 10758 Riverside Indian Crk watershed, above confluence with San Jacinto River; T1E R5S S2, NE 1/4 579 Comment
  POM10036  Fagonia laevis Charlotte M. Wilder 1907-4-9 778 Riverside border of warsh from Palm Canyon. Colorado Desert Comment
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Mar 12 2011
  POM128657  Fagonia laevis M. French Gilman 1927-5-22 s.n. Riverside Corn Springs, Chuckwalla Mts. Comment
  POM14909  Fagonia laevis Mary F. Spencer 1922-4-3 239 Riverside Tahquitz Canyon, Palm Springs, Colorado Desert. 213 Comment
  RSA0121045  Fagonia laevis Duncan S. Bell, LeRoy Gross 2016-3-29 9122 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  RSA391193  Fagonia laevis M. B. Dunkle 1935-3-30 4426 Riverside Pinto Basin, Colorado Desert. 915 Comment
  UCR16344  Fagonia laevis J. Texera 1970-3-27 3 Riverside Sonoran (Colorado) Desert, c. 3 miles south of town of Palm Desert on dirt road continuation of Portola Avenue, 0.75 mile north of boundary fence of Deep Canyon Desert Research Center 207 Comment
  UC403448  Ferocactus cylindraceus Munz and Johnston 1992-5-7 5292 Riverside Keyes Ranch Little San Bernardino Mts. Comment
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Sep 4 2010
  LA13070  Festuca octoflora A. M. Johnson; 1932-3-19 3885 Riverside below Palm Springs Comment
  RSA0120622  Festuca octoflora Duncan S. Bell, Thomas Stoughton 2016-3-15 8933 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; in the central part of the range, approximately 0.75 air mile east northeast from the summit of the range. 861 Comment
  UCR177423  Festuca octoflora Scott D. White, Michael Honer 2003-4-4 8938 Riverside Peninsular Ranges; Perris-Aguanga Basin, Temescal Canyon, dissected bajada bench, below and east of Horsethief Canyon, immediately south of I-15 Fwy 427 Comment
  SDSU13580  Festuca perennis W. Miller with C. Mosse 1972-8-9 Riverside Comment
  UCR260593  Ficus carica A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41553 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Valley just below I-15 bridge near Hostettler Road, SE of Lee (Corona) Lake, south side of I-15, 2.17 km west of Lake St. at Alberhill 363 Comment
  UCR228838  Filago arizonica A. C. Sanders, T. B. Salvato 2011-4-27 39337 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  RSA586864  Filago californica D. L. Banks, Steve Boyd 1995-5-3 0283 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UCR225189  Filago californica Steve Boyd, Susan Jett 2008-3-20 11831 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  UCR166554  Filago depressa Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10900 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR173928  Filago gallica A. C. Sanders 2006-5-19 32438 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
  UCR121099  Forestiera pubescens A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24967 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  RSA96633  Fouquieria splendens E. K. Balls 1954-4-19 19038 Riverside [Unspecified] 61 Comment
  RSA750123  Fouquieria splendens subsp. splendens Duncan S. Bell, Amanda Turek 2009-3-30 171 Riverside South side of the Arica Mountains, within the Palen/McCoy Wilderness area. 333 Comment
  RSA0018949  Fragaria vesca Robert Gustafson 1985-5-20 3116 Riverside San Jacinto Mountains, R-1, between Lake Fulmar and Allandale. Comment
  UC1931061  Frangula californica subsp. cuspidata Scott D. White, Justin Wood 2008-7-8 12388 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  CLARK-A1528-1039  Fraxinus dipetala C. M. Flanagan 1973-4-26 OO 310 Riverside Morongo Indian Reservation Comment
  RSA221021  Fraxinus dipetala E. W. Lathrop 1968-5-8 6429 Riverside 3 miles SW of Corona, Hagador Canyon, Cleveland Nat l Forest, Trabuco District. 274 Comment
  SD186260  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11135 Riverside Viverside, along Spring Brook between Lake Evans and the Santa Ana River. 238 Comment
  UC22603  Fraxinus velutina Mrs. Flora C. R. Price 1901-8-1 Riverside sw base San Jacinto Mt. 670 Comment
  UC774598  Fraxinus velutina Carl B. Wolf 1940-10-30 Riverside se of Kenworthy Guard Station; San Jacinto Mts., Penrod Canyon 1524 Comment
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Sep 24 2011
  RSA562050  Fritillaria biflora Steve Boyd, Timothy S. Ross 1992-4-1 6779 Riverside Santa Ana Mountains., Elsinore Peak area, S of Lake Elsinore. South base of Peak (3448) to SE of Elsinore Peak area. 1000 Comment
  RSA667307  Funastrum cynanchoides var. hartwegii B. Pitzer 1989-4-16 1309 Riverside Chocolate Mountains Aerial Gunnery Range. 4 km W of Tabaseca Tank, in Impact Area. 620 Comment
  RSA458582  Funastrum hirtellum T. S. Clare 1930-4-13 s.n. Riverside Thousand Palms. Colorado desert. Comment
  SEINET237962  Galium angustifolium A. C. Sanders, T. B. Salvato 2000-5-25 23396 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
  JEPS56034  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Clare Hardham 1965-6-18 4135 Riverside on Route R1 s Idyllwild; Keenwild Station Comment
  JEPS56082  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4281 Riverside along hwy about 1 1/2 mi w Mountain Center (at junction with Baldy Mountain Camp Rd, steep s-facing hillside) Comment
  RSA221072  Galium angustifolium subsp. angustifolium E. W. Lathrop 1966-5-8 6448 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
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Apr 28 2011
  RSA708078  Galium aparine Scott D. White, Angelia Carey 2004-4-16 10192 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  RSA769768  Galium aparine Duncan S. Bell, Joy D. England 2010-5-17 1001 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1045 Comment
  SD225096  Galium aparine Scott D. White 1996-4-20 3953 Riverside SW of Perris: Hillside S of the San Jacinto River Channel. 487 Comment
  UCR92225  Galium aparine D. L. Banks, Steve Boyd 1995-3-16 0105 Riverside Peninsular Range, Cleveland National Forest, Agua Tibia Wilderness Area. east of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail 610 Comment
  RSA797257  Galium parishii Robert F. Thorne, Walter Wisura 1977-9-17 50795 Riverside San Jacinto Mountain: slopes of peak 3171 Comment
  UCD121905  Galium porrigens var. porrigens A. C. Sanders; P. MacKay, T. Thomas and O. Clarke 1997-5-4 20644 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740. 1067 Comment
  POM367817  Galium stellatum H. de Forest, Freda Detmers 1931-4-2 s.n. Riverside Colorado Desert. Comment
  RSA570550  Garrya flavescens Steve Boyd, Chris Frazier 1993-4-24 8009 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck rd. 792 Comment
  POM261679  Garrya flavescens var. pallida W. Pequegnat 1941-1-11 s.n. Riverside Indian Truck Trail, Santa Ana Mts. 976 Comment
  UCR89899  Garrya veatchii A. C. Sanders 1995-11-26 17914 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  POM358665  Geraea canescens L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain, Colorado River Comment
  RSA27446  Geraea canescens I. L. Wiggins 1941-3-24 9570 Riverside 0.3 miles south of Myoma, 4.6 miles north of Indio. Comment
  RSA717333  Gilia Scott D. White 2003-3-23 8835 Riverside Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  RSA72287  Gilia angelensis F. W. Peirson 1929-5-4 8334 Riverside Summit of St John's grade. 792 Comment
  UCR120579  Gilia angelensis Steven R. Hill, K. Kramer 2001-4-27 33475 Riverside Sonoran (Colorado) Desert Edge; San Gorgonio Pass, Cabazon, Morongo Indian Reservation, at Hadley's Orchard Store, junction of Apache Trail and Seminole Drive, north of Hwy I-10, Apache Trail Exit, 4 mi east of Banning 560 Comment
  RSA92546  Gilia angelensis J. C. Roos, Lucille Roos 1954-4-17 6069 Riverside Pass at summit of Reche Canyon. 732 Comment
  RSA525422  Gilia capitata subsp. abrotanifolia Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4530 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  RSA0054878  Gilia capitata var. achilleifolia Keith E. Hoffmaster 1937-6-6 770 Riverside San Jacinto Mts. Comment
  UC23616  Gilia hallii H. M. Hall 1899-5-25 11785 Riverside Coyote Canyon, El Toro Mt., San Jacinto Mts. Comment
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Aug 14 2010
  UCR23210  Gilia ochroleuca J. C. Lyman 1981-5-15 s.n. Riverside San Jacinto Mtns, May Valley Road, Idyllwild Comment
  RSA0016299  Gilia ochroleuca subsp. exilis P. A. Munz 1922-4-28 5025 Riverside Temescal Canyon. Comment
  RSA0017095  Gilia ochroleuca subsp. exilis Scott D. White 1991-5-13 91 -114 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  UCR20895  Gilia ochroleuca subsp. exilis A. C. Sanders 1978-6-20 503 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  RSA0016285  Gilia ochroleuca subsp. exilis H. M. Hall 1901-06 2060 Riverside The vicinity of Chalk Hill 1524 Comment
  RSA0017089  Gilia ochroleuca subsp. exilis Verne Grant 1954-4-16 9317 Riverside Dripping Springs, 11 miles E of hwy 395 on hwy 71. 518 Comment
  SD233900  Gilia scopulorum A. C. Sanders, E. J. Lawlor 1992-4-4 12145 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring; alluvial slopes below and to the south, and canyon bottom above the spring. 244 Comment
  JOTR35500  Gilia sinuata La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3188 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 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
  SEINET952168  Glycyrrhiza lepidota H. M. Hall 1904-1 4967 Riverside West Riverside 213 Comment
  RSA701560  Gnaphalium californicum Steve Boyd, Aydee Virgen 2004-4-13 10845 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR92408  Gnaphalium canescens subsp. microcephalum F. M. Reed 1933-8-13 8010 Riverside South Coast; San Bernardino Valley, Riverside, Fairmont Park 245 Comment
  RSA589080  Gnaphalium leucocephalum D. L. Banks, S. D. Boyd 1995-10-17 0791 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  UCR104899  Gnaphalium luteoalbum A. C. Sanders 1997-3-19 20040 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  UCR41395  Gnaphalium luteoalbum N. M. Fellows, A. C. Sanders 1985-5-7 182 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  CAS-BOT-BC307402  Gnaphalium palustre Steve Boyd 1986-5-7 1845 Riverside Terrace escarpment between Horsethief wash and Indian Truck Trail south of I-15, Temescal Canyon Comment
  UC219266  Gnaphalium palustre P. A. Munz and I. M. Johnston 1922-5-19 5371 Riverside Menifee Valley Southern California, Menifee Valley 411 Comment
  UCR48402  Gnaphalium palustre Steve Boyd 1986-5-7 1845 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  UCR21313  Gnaphalium stramineum 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
  RSA480083  Guillenia lasiophylla Steve Boyd, S. Meury, Richard Noyes, D. Nordin, L. Arnseth, Timothy S. Ross 1988-3-10 2172 Riverside Palen Pass at the north end of the Palen Mountains 500 Comment
  RSA0026295  Guillenia lasiophylla John F. Emmel 1991-4-22 1165 Riverside Oak Mountain NE of Pauba Valley; grassland scrub plateau area 0.7 air mile SW of 2706 peak of Oak Mtn. 595 Comment
  RSA125983  Gutierrezia californica E. K. Balls, Percy C. Everett 1957-11-4 22744 Riverside Snow Creek, N. base of San Jacinto Mts. 701 Comment
  CAS-BOT-BC302140  Gutierrezia sarothrae Mitch Provance 2003-4-5 6612 Riverside San Bernardino Valley: Jurupa Mountains, Glen Avon, slopes above the northern extreme of Campbell St 274 Comment
  CAS-BOT-BC540847  Gutierrezia sarothrae Sarah J. De Groot; Duncan S. Bell 2015-9-21 7580 Riverside Santa Rosa Mountains SSW of Palm Desert. Along Dunn Rd, between Asbestos Mountain and Haystack Mountain 1240 Comment
  JOTR35238  Gutierrezia sarothrae Wheeler, Mark 2011-10-19 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains, Eureka Peak Complex, South of Eureka Peak Comment
  SEINET188337  Halliophytum hallii C. L. Hitchcock 1940-4-2 5926 Riverside Joshua Tree National Monument; Cottonwood Spring wash Comment
  UCR18660  Haplopappus squarrosus John C. Roos 1952-8-27 5890 Riverside Reche Canyon, Haas Ranch 457 Comment
  RSA0066625  Harpagonella palmeri Steve Boyd 1986-3-9 1399 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsethief Wash. 367 Comment
  UCR48417  Helianthemum scoparium var. aldersonii Steve Boyd 1986-4-22 1745 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  UCR256808  Helianthus annuus T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7860 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 500 Comment
  CAS-BOT-BC305708  Helianthus gracilentus P. C. Everett; E. K. Balls; L. W. Lenz 1952-7-1 17268 Riverside 3.7 mi. s.e. of Banning along hwy to Idyllwild, San Jacinto Mts. 914 Comment
  RSA487425  Helianthus gracilentus 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
  SDSU4540  Helianthus gracilentus H. Wedberg 1962-5-23 947 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  UCR98056  Heliotropium convolvulaceum Michael D. Wilcox, Stephen J. Myers 1995-5-27 s.n. Riverside NE Colorado Desert, Cadiz Valley near the San Bernardino Co. line 270 Comment
  RSA486461  Heliotropium curassavicum var. oculatum Richard Noyes, L. Arnseth 1988-10-30 755 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  UCSB7391  Helminthotheca echioides Philbrick, Ralph 1954-10-24 Riverside 4 miles south of Chino Institute 213 Comment
  RSA725741  Hemizonia fasciculata Mitch Provance 2005-5-18 9811 Riverside Warm Springs Valley: Nichols road wetland area at Alberhill Creek, S of the I-5 freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore. 396 Comment
  UCR183334  Hemizonia fasciculata Mitch Provance 2005-5-27 4605 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  UCR112494  Hemizonia kelloggii A. C. Sanders 1998-5-21 21870 Riverside Hemet, alkaline flats west of town, along Stetson Ave. west of Warren Rd. 457 Comment
  UCR214318  Hemizonia kelloggii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38393 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR211873  Hemizonia mohavensis Valerie Soza, Steve Boyd, Neil Gilbert 2000-12-6 1067 B Riverside Peninsular Range; San jacinto Mountains, McCall Memorial Park Campground 1372 Comment
  UCR121167  Hemizonia paniculata D. E. Bramlet 1989-6-13 1922 Riverside Domenigoni Valley, 3,000 ft. east of the MWD canal and 500 ft. south of Newport Road. 458 Comment
  UCR139645  Hemizonia paniculata A. C. Sanders 2004-6-30 28388 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
  UCR266254  Hemizonia paniculata D. E. Bramlet 2006-7-26 4041 Riverside Perris-Aguanga Basin Region, Menifee Valley, Old Newport Road west of Briggs Rd. 439 Comment
  UCR266260  Hemizonia paniculata D. E. Bramlet 2006-8-11 4045 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, west of Hemet at Hemet-Ryan Airport 459 Comment
  UCR189577  Hemizonia pungens subsp. laevis Lee A. Ripma 2007-6-27 002 Riverside San Timoteo Canyon, San Timoteo Canyon Road c. 5 mi west of the junction of Hwy 10 and Hwy 60 and c. 9 mi southeast of Redlands, near county park boundary 644 Comment
  UCR21957  Hemizonia pungens subsp. laevis Steve Boyd 1980-5-13 268 Riverside Gavilan Hills, Harford Springs County Park, at NW corner of the Gavilan Plateau 640 Comment
  UCR260875  Hemizonia pungens subsp. laevis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-8 41573 Riverside Peninsular Range; Elsinore Trough, City of Lake Elsinore, vacant lot south of intersection of 3rd St. and Pasadena St., west of Birch St., near drainage channel from lake toward Temescal Creek 387 Comment
  UCR174159  Herniaria hirsuta subsp. cinerea A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32598 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
  UCR251903  Hesperocallis undulata Jim Andre 2013-3-27 24827 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  RSA585794  Hesperocnide tenella D. L. Banks, Steve D. Boyd 1995-5-9 421 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 710 Comment
  CAS-BOT-BC131794  Hesperoyucca whipplei C. B. Wolf 1931-5-11 1943 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mts. 1676 Comment
  UCR24903  Heterocodon rariflorum A. C. Sanders 1980-7-22 1735 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  RSA0074602  Heterotheca fastigiata J. C. Roos, Lucille Roos 1949-9-17 4657 Riverside Whitewater Wash, 2.2 miles N of Whitewater. 518 Comment
  SDSU13044  Heterotheca grandiflora James C. Dice, J. Dewald 1987-9-28 729 Riverside North side of Temecula Gorge, near entrance to field station site, ca. 4.5 km ENE of Gavilan Mountain. T8S, R3W, northeast 1/4 of northeast 1/4 of section 27. 329 Comment
  UCR114810  Heterotheca grandiflora Mitch Provance 1998-2-6 22 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.45 km south of the end of Savonia Dr. in Southridge, Fontana. Actual location of the collection just on the Riverside Co. side of the Riv. / S.B. county line. 351 Comment
  RSA0075897  Heterotheca grandiflora D. L. Banks, S. D. Boyd 1995-10-17 0770 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  CDA7958  Heterotheca villosa E. Johnson 1946-8-6 Riverside San Gorgonio Pass. 0 Comment
  IRVC28828  Hibiscus denudatus Mark A. Elvin 2005-4-26 4231 Riverside Coachella Valley/Indio Hills; N of I-10. Northern Sonoran Desert 198 Comment
  RSA432778  Hibiscus denudatus E. C. Jaeger 1922-3-29 730 Riverside Murray Canyon, Colorado Desert Comment
  UCR33778  Hibiscus trionum A. Kishaba 1983-11-10 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, west of Thermal Comment
  CAS-BOT-BC318753  Hieracium horridum Edmund C. Jaeger 1924-7-3 s.n. Riverside Strawberry Valley, San Jacinto Mts. 2194 Comment
  UCD57072  Hilaria rigida Geoffrey Levin 1976-3-27 695 Riverside Chino Canyon. West of Palm Springs. Alluvial fan of San Jacinto Mts. Salton Sea Basin. Colorado Desert. 396 Comment
  UCR260218  Hilaria rigida A. C. Sanders, Jim Malusa 2015-3-10 41378 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  RSA752783  Hirschfeldia incana Scott D. White, Justin M. Wood 2009-5-21 12847 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  SEINET7930192  Hoita macrostachya Scott D. White, Pam DeVries 2000-4-25 7734 Riverside Temescal Valley, Corona area, eastern foothills of Santa Ana Mts just above citrus groves. (Corona South).; 0 412 Comment
  HSC46430  Hordeum brachyantherum subsp. californicum Christopher Davidson 1977-5-25 5637 Riverside Mesa de Burro, Santa Rosa Plateau area of the Santa Ana Mtns. 701 Comment
  SD140223  Hordeum depressum A. C. Sanders 1993-4-5 13697 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74), open fields 459 Comment
  UCR281279  Hordeum depressum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 19 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  UCR211731  Hordeum intercedens Fred M. Roberts, D. E. Bramlet 2005-5-5 6179 Riverside Perris Basin, San Jacinto Valley, along MWD canal just north of Devonshire Road and west of Warren Road 458 Comment
  RSA198983  Hordeum marinum subsp. gussoneanum R. F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37589 Riverside Below dam at E end of vernal marsh on Mesa de Colorado, Rancho California 671 Comment
  RSA651785  Hordeum murinum subsp. glaucum Markell Kohn 1959-4-29 s.n. Riverside UCR campus, Riverside. Behind greenhouse 16, 10 yards south of Eucalyptus tree by driveway Comment
  UC12391  Horkelia clevelandii H. M. Hall 1901-6-1 2291 Riverside Meadows in the vicinity of Strawberry Valley San Jacinto Mountains, Strawberry Valley 1615 Comment
  UCD106069  Hosackia crassifolia C. V. Meyer 1927-6-1 182 Riverside Saundere Meadow, San Jacinto Mts. 1737 Comment
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Feb 9 2013
  POM360713  Hulsea vestita subsp. callicarpha Anstruther Davidson 1891-1 2032 Riverside [Idylwild] Idyllwild Comment
  RSA720463  Hulsea vestita subsp. callicarpha Naomi Fraga, Bryan Carey 2006-6-1 1688 Riverside Near Morris creek on a 4W drive trail, ca. 1/2 mile SW of Tripp Meadow. 1585 Comment
  UCSB42190  Hulsea vestita subsp. callicarpha Roos, John 1965-6-13 Riverside West of Mountain Center, San Jacinto Mtns. Comment
  RSA453769  Hydrocotyle umbellata L. C. Wheeler 1933-12-2 2314 Riverside U.S. 99: 2 miles NW Whitewater Station. 366 Comment
  POM126316  Hymenoclea salsola Thos Craig 1927-4-2 3 Riverside Hidden Springs Canyon; Colorado Desert. Comment
  RSA774507  Hymenoclea salsola Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4456 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
  UCR109553  Hymenoclea salsola R. D. Goeden, Don W. Ricker 1974-3-1 s.n. Riverside Sonoran (Colorado) Desert, Desert Center 305 Comment
  JOTR37450  Hymenoxys cooperi Hodges, Stephen, T. Green 2016-5-24 572 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  UC124659  Hypericum anagalloides A. W. Anthony 1890-1 Riverside San Jacinto Mts. 2438 Comment
  POM122539  Hypericum formosum var. scouleri Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA556454  Hypochaeris glabra Julie Greene 1993-4-30 1274 Riverside S of visitor center road and N of the old San Jacinto River drainage. 433 Comment
  CAS-BOT-BC219736  Hyptis emoryi P. Munz 1919-3-25 2304 Riverside Palm Springs Comment
  CAS-BOT-BC219739  Hyptis emoryi C. L. Hitchcock 1940-3-31 5895 Riverside Between Cottonwood Spring and Pinto Basin Comment
  CAS-BOT-BC219749  Hyptis emoryi Lewis S. Rose 1959-1-8 59000 Riverside La Quinta 30 Comment
  RSA733981  Hyptis emoryi Keith E. Hoffmaster 1933-4-13 427 Riverside Palm Springs. Comment
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Aug 27 2011
  RSA0115579  Imperata brevifolia N. R. Zabriskie 1973-4-6 629 Riverside South side stream downstream from juncture with North Canyon. Andreas Canyon, east slope San Jacinto Mtns. 365 Comment
  POM359295  Isocoma acradenia var. eremophila George R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms. Comment
  UCR101342  Isocoma menziesii var. vernonioides A. C. Sanders, K. C. Rose 1998-9-29 22244 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  RSA606526  Isoetes Jon E. Keeley 1980-4-5 7500 Riverside Mesa de Colorado on Santa Rosa Plateau, Santa Ana Mountains 650 Comment
  RSA199006  Isoetes orcuttii R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37419 Riverside Santa Ana Mountains, Rancho California, Santa Rosa Plateau 609 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
  UCR120691  Isomeris arborea Helen Kennedy, T. B. Salvato 2002-2-2 5446 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  RSA0035135  Isomeris arborea Lee Haines 1952-4-6 s.n. Riverside Box Canyon, HIghway 195. Comment
  SEINET8727087 Image available Isomeris arborea Jean Coulson 1959-1 75 Riverside Highway 60, 4.0 mi. W. of junction with 111 S. of road. 1 Comment
  CAS-BOT-BC229028  Iva axillaris A. C. Sanders; T. B. Salvato 2012-4-27 40096 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy/I-15 and Indian Truck Trail, c. 500 m SE of El Hermano Rd. 325 Comment
  SBBG52766  Iva axillaris N. C. Cooper 1944-7-15 1594 Riverside Palms to Pines Hwy (St Hwy 74) 548 Comment
  RSA227711  Jepsonia parryi Gary D. Cromwell 1972-2-15 710 Riverside Small canyon canyon off Los Alamos Canyon, 8 mi. SSW of Lake Elsinore and unpaved road #7So4, USDA Forest Serv. map, Trabuco Dist., Cleveland Nat. Forest. 488 Comment
  UCR189781  Juglans californica var. californica Theresa Johnson 2007-10-9 402 Riverside Peninsular Ranges, Perris-Aguanga basin, Estelle Mountain 498 Comment
  RSA780936  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37147 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCR264609  Juncus Mitch Provance 2012-11-9 1112- 4 Riverside Colorado Desert, Whitewater, near corner of Whitewater cutoff Rd. and Painted Hills Rd., about 0.1 miles N of Interstate 10 405 Comment
  SD146110  Juncus balticus subsp. ater Mitch Provance 1999-5-4 1687 Riverside Riverside, Santa Ana River Wash, between the Market Street and Riverside Avenue crossings; Fontana 7.5' quad. Wet margins of pools near the active river channel. 244 Comment
  UCR177507  Juncus bryoides S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1159 Comment
  UCR230597  Juncus bufonius A. C. Sanders, T. B. Salvato 2011-4-1 38960 Riverside Peninsular Range, Lake Elsinore, NE of Baker St. along Temescal Wash, 0.45 km NW of Hwy 74 386 Comment
  UC1532809  Juncus bufonius var. occidentalis Robert F. Thorne and Earl Lathrop 1975-5-20 45500 Riverside Rancho California Santa Rosa Plateau, Mesa de Burro 609 Comment
  HSC83918  Juncus effusus subsp. austrocalifornicus R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47293 Riverside Santa Rosa Plateau, just SE of Tenaja Guard Station off Tenaja Truck Trail 610 Comment
  UCR117310  Juncus hemiendytus A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 738 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  RSA741108  Juncus mexicanus Scott D. White, Justin M. Wood 2008-6-17 12158 Riverside South of Hwy 79 near Keen Camp Summit. 1402 Comment
  UCR22062  Juncus mexicanus Steve Boyd 1980-4-13 128 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  RSA368338  Juncus rugulosus L. C. Wheeler 1933-12-2 2322 Riverside U.S. 99, 2 miles NW Whitewater Station 366 Comment
  JOTR35517  Juncus xiphioides La Doux, Tasha, M. Harding, K. Callahan, D. Shade, M. Wheeler, T. Herskovits 2013-6-5 3198 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon 1219 Comment
  UC1563099  Juncus xiphioides Steve Boyd, Tim Ross, Laurel Arnseth 1989-5-7 3551 Riverside just s Vail Lake (in Kolb Creek); Vail Lake Area, Kolb Creek Comment
  UCR116009  Juncus xiphioides A. C. Sanders, D. Bramlet, E. J. Lawlor, C. L. Sanders 2000-1-16 23302 Riverside Shipley-Skinner Reserve, Tucalota Creek at horse trail crossing east of Lake Skinner 457 Comment
  UCR170123  Juncus xiphioides Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-31 109 Riverside San Bernardino Mtns. region, Morongo Indian Reservation; Lion Canyon 756 Comment
  RSA297031  Juniperus californica John F. Emmel 1974-3-3 473 Riverside Canyon 0.5 air mile E. & ENE of peak 4416 on 1956 USGS topographic quad., N. end Coxcomb Mts. 1219 Comment
  UC2015592  Juniperus californica Scott D. White 1995-12-30 3803 Riverside Perris Basin SW of Perris, above S bank of San Jacinto River. Comment
  UCR23316  Juniperus californica John C. Roos 1952-4-16 5541 Riverside Box Springs Mtns. 457 Comment
  RSA304957  Justicia californica S. Carlquist 1982-4-18 15672 Riverside 2.2 miles north of entrance (from highway 10) to Joshua Tree National Monument. Comment
  UC494557  Justicia californica Philip A. Munz 1932-3-14 11971 Riverside Deep Canyon Coachella Valley, Deep Canyon 91 Comment
  VVC1722  Justicia californica Jim Andre, T. La 2009-3-10 11245 Riverside Colorado Desert, Joshua Tree Natl. Park; south end of the Cottonwood Mtns near Pinkham Wash just N of aquaduct just inside JTNP boundary, approx 7 mi W of S entrance into park at Cottonwood. 542 Comment
  SBBG44958  Justicia californica I. W. Clokey 1935-4-17 6888 Riverside Cottonwood Springs Comment
  RSA0106723  Kallstroemia californica Duncan S. Bell 2011-9-30 2935 Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  CAS-BOT-BC235494  Keckiella antirrhinoides A. C. Sanders 1998-2-19 21654 Riverside San Bernardino Mountains: mouth of Hathaway Canyon, Morongo Indian Reservation, east of Banning 793 Comment
  CAS-BOT-BC235505  Keckiella antirrhinoides R. S. Woglum 1941-5-17 3038 Riverside Coyote Canyon, (extreme south-central) Riverside Co. Comment
  POM4275  Keckiella antirrhinoides Philip A. Munz 1918-4-27 2139 Riverside Temescal Canyon. Comment
  RSA424819  Keckiella antirrhinoides Jeannette B. Edge 1934-4-22 18935 Riverside Jurupa Mountains, Mountain slope 549 Comment
  UC886789  Keckiella antirrhinoides C. B. Clokey, B. C. Templeton, and I. W. Clokey 1930-4-15 4772 Riverside Perris; Gavilan Peak 650 Comment
  UCR172787  Keckiella antirrhinoides Wayne Law, Jun Hu 2000-5-16 13 Riverside Peninsular Ranges; Santa Ana Mtns., Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi south of Corona 396 Comment
  UCR250312  Keckiella antirrhinoides A. C. Sanders 2014-4-8 40977 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  POM11319  Keckiella antirrhinoides subsp. microphylla Philip A. Munz 1922-7-1 5930 Riverside Santa Rosa Mountains, Old Nicholas Canyon. 1463 Comment
  RSA6133  Keckiella antirrhinoides subsp. microphylla B. D. Stark 1933-5-3 4987 Riverside 8 mi. up on the Palms to Pine Highway, San Jacinto Mts. Upper Sonoran. 1220 Comment
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Oct 30 2011
  LA209266  Keckiella cordifolia W. E. Pequegnat; 1937-8-11 Riverside Santa Ana Mountains, above Bear Spring on Santiago Peak Comment
  RSA335014  Keckiella cordifolia Steve D. Boyd 1985-7-23 1022 Riverside Deluz Road, 8.5 miles west of Rancho California, along Sandia Creek. 274 Comment
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Jun 8 2012
  RSA450072  Keckiella cordifolia J. C. Roos, L. Roos 1952-6-24 5786 Riverside In the hills west of Beaumont. Comment
  UCR101549  Keckiella cordifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22221 Riverside San Bernardino Mtns., Morongo Indian Reservation, Middle Branch of Millard Canyon 1341 Comment
  POM10203  Keckiella rothrockii subsp. jacintensis Charlotte M. Wilder s.n. Riverside Dry hills beow Tahquitz. Comment
  RSA783584  Koeberlinia spinosa var. tenuispina Michael Wall, Valentin Arvizu 2011-5-24 603 Riverside 6.5 miles north of Desert Center, off Kaiser Rd. ca. 100 meters to the northeast off a small dirt rd. in a shallow wash area near two paloverde trees. 201 Comment
  CAS-BOT-BC273669  Koeleria pyramidata Cecil Hart 1922-5-21 27 Riverside San Jacinto Mt. Comment
  SBBG25153  Krameria bicolor Leota Davidson 1965-5-14 112 Riverside Joshua Tree Nat Monument Comment
  CAS-BOT-BC43706  Krameria erecta Annie M. Alexander; Louise Kellogg 1941-5-11 2150 Riverside Cottonwood Spring, Eagle Mountains 883 Comment
  RSA303861  Krameria erecta Jim R. Shevock 1971-5-8 1037 Riverside White Tank, Joshua Tree National Monument. 1174 Comment
  SFV17345  Krameria erecta J. D. Dilley, J. N. Hogue (109.7) 1998-4-24 280 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash, 0.5 miles east of Aztec Well. 579 Comment
  RSA680921  Krameria grayi Scott D. White, Michael Honer 2003-5-14 9279 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  SEINET12203903  Krameria grayi Unknown 1936-1 12781 Riverside Colorado Desert, N of Palm Springs Comment
  RSA522307  Lactuca serriola Steve Boyd 1989-7-9 3777 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  JEPS41824  Laennecia coulteri S. B. Parish 1912-10-24 8357 Riverside Thermal Salton Basin, Thermal -39 Comment
  SEINET3087697 Image available Langloisia schottii O. F. Clarke 1973-4-1 Riverside Sonoran Desert, alluvial fan at S entrance to Joshua Tree National Monument, below Cottonwood Springs. Comment
  UCR1649  Langloisia schottii Ken Calhoun 1962-3-18 21 Riverside Sonoran (Colorado) Desert, hills 0.5 mi. north of stop sign at entrance to White Water Canyon 457 Comment
  CHSC104026  Larrea tridentata Steve Boyd; T. Morgan, A. Virgen, S. DeGroot, V. Arvizu,T. Thibault 2004-5-14 11236 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains regions: 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
  CLARK-A1528-4433  Larrea tridentata John C. Roos 1948-5-8 3817 Riverside Whitewater Canyon 548 Comment
  RSA0068129  Larrea tridentata Cheryl Sevilla, Sarah J. De Groot, Forrest Freund 2015-4-1 71 Riverside Sonoran Desert; Coachella Valley; Santa Rosa Mountains; south of La Quinta; north of Devil Canyon; 2.5 miles west of Lake Cahuilla. 136 Comment
  RSA165173  Larrea tridentata Mark Parratt 1962-2-24 110 Riverside E side of road in cathedral city. Colorado desert edge. Drainage area: Salton Sea. 152 Comment
  RSA33309  Larrea tridentata N. C. Cooper 1943-10-3 942 Riverside Whitewater Canyon. Riverbank 762 Comment
  RSA480026  Larrea tridentata Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2149 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UC1929819  Larrea tridentata Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10447 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UC665863  Larrea tridentata Ira L. Wiggins 1941-3-24 9567 Riverside 0.3 mi s Myoma (4.6 mi n of Indio) Comment
  SEINET10406507 Image available Larrea tridentata S. C. Mason 1908-1 Riverside Palm Springs Comment
  RSA586296  Lastarriaea coriacea D. L. Banks, S. D. Boyd 1995-5-3 206 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  SDSU21595  Lastarriaea coriacea Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd. 2010-6-20 73 Riverside Palomar mountain range foothills, north-eastern slop of the range, valley: crossing of Woodchunk Road and 79 Highway. Comment
  UC218076  Lastarriaea coriacea P. A. Munz, I. M. Johnston 1922-5-19 5364 Riverside 5 mi ne of;' Murietta 457 Comment
  CAS-BOT-BC338917  Lasthenia californica A. C. Sanders; W. W. Wright; J. Latting; et al 1974-5-4 684 Riverside Santa Rosa Plateau, Santa Ana Mtns.: Mesa de Burro 610 Comment
  SD137868  Lasthenia californica Darin L. Banks, Steve Boyd 1995-3-16 87 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain; east of the Dripping Springs Alcove. 515 Comment
  UC1979559  Lasthenia californica Darin L. Banks, Steve Boyd 1995-5-3 288 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  CLARK-A1528-255  Lasthenia chrysostoma C. M. Flanagan 1973-4-26 OO 320 Riverside Morongo Indian Reservation 1158 Comment
  RSA12916  Lasthenia coronaria C. B. Wolf 1935-4-7 6306 Riverside 2 mi. SW of Perris. 427 Comment
  RSA673634  Lasthenia coronaria Scott D. White, Tasha La Doux 2000-4-20 7707 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  UC1536903  Lasthenia coronaria G. H. True 1935-3-11 70 Riverside Sycamore Canyon Box springs 365 Comment
  UCR101839  Lasthenia coronaria B. G. Pitzer 1997-4-1 3061 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  UCR182094  Lasthenia glaberrima Michael L. Charters, Tom Chester 2003-6-8 204 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Mesa de Colorado, largest vernal pool, north edge along boardwalk 625 Comment
  UCR143140  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1997-3-13 2490 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Nichols Road Wetlands, c. 275-335m SE of Nichols Road, 91m west of Collier Ave. and 196-305 m west of the I-5, east of the dirt road extending S from Nichols Rd. and adjacent to Alberhill Creek 381 Comment
  RSA774510  Lasthenia gracilis Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4462 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC30439  Lasthenia gracilis Geo. R. Hall 1901-3-17 1676 b Riverside Riverside Comment
  UCR116908  Lasthenia gracilis A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23965 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR167421  Lasthenia gracilis John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  POM12943  Lathyrus vestitus subsp. laetiflorus P. A. Munz, I. M. Johnston 1922-5-19 5397 Riverside San Jacinto Canyon 1371 Comment
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Oct 1 2011
  UCR116578  Lathyrus vestitus var. vestitus Scott D. White 1993-3-15 1196 Riverside Peninsular Range, Elsinore, Hwy 74, just west of NW corner of Lake Elsinore. Dickey Canyon. Comment
  POM361635  Layia glandulosa Ora M. Clark 1929-3-16 1696 Riverside South of Cabazon. Comment
  SDSU18396  Layia platyglossa C. Matt Guilliams 2008-2-21 469 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  POM30579  Layia platyglossa subsp. campestris Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  POM13210  Layia platyglossa subsp. platyglossa P. A. Munz, I. M. Johnston 1922-5-20 5453 Riverside Hemet Valley, San Jacinto Mountains; sandy washes on Garner Ranch 1402 Comment
  CAS-BOT-BC215768  Lepechinia E. W. Lathrop 1973-6-28 7440 Riverside Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest 1219 Comment
  CLARK-A1528-5690  Lepechinia cardiophylla John C. Roos 1960-5-30 Riverside Santa Ana Mountains Comment
  UCR41785  Lepidium chalepense Michele Tracy 1986-4-15 s.n. Riverside Perris-Aguanga Basin, near Hemet 549 Comment
  RSA563906  Lepidium dictyotum A. C. Sanders 1993-4-1 13669 Riverside Western Edge of Hemet, 14 acre parcel at NE corner of intersection of Myers and Devonshire Ave., 3/4 mi. NE of intersection of Florida Ave. (Hwy 74) and Warren Rd. just south of Tres Cerritos. 460 Comment
  UCR202049  Lepidium dictyotum var. acutidens Karin Cleary-Rose 1998-3-6 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Palmieri property, 25 acre parcel in western Hemet, south of Hwy 74, west of Warren Rd, directly east of the San Diego Aqueduct and c. 500 ft. east of Salt Creek, north of Stetson Ave. 527 Comment
  CAS-BOT-BC89433  Lepidium fremontii Ira L. Wiggins 1937-3-9 8745 Riverside Chuckawalla Spring, Chuckawalla Mountains. Comment
  CAS-BOT-BC89434  Lepidium fremontii Ira L. Wiggins 1937-3-9 8755 Riverside 5 miles west of Shaver's Well. Comment
  CAS-BOT-BC89439  Lepidium fremontii H. M. Hall 1905-4-1 5844 Riverside Colorado Desert. Canyon Springs. Comment
  UC68536  Lepidium fremontii H. M. Hall Apr 1905 5844 Riverside Canyon Springs Colorado Desert Comment
  RSA676157  Lepidium lasiocarpum Scott D. White 2001-4-3 8257 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  UC1929668  Lepidium latifolium Scott D. White 2003-6-9 9524 Riverside PERRIS BASIN: Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. Comment
  UCR116655  Lepidium latifolium A. C. Sanders, Carolyn Washburn 2001-5-10 24243 Riverside Perris-Aguanga Basin, San Jacinto River Valley, south side of intersection of Sanderson Ave. and Ramona Blvd., c. 4 mi. NW of San Jacinto 445 Comment
  SBBG101735  Lepidium nitidum S. Boyd with D. Bramlet 1991-5-13 6240 Riverside Winchester Valley between Winchester and Hemet, along upper Salt Crk drainage, N of Santa Fe Railroad tracks, W of San Diego Aqueduct; T5S, R2W, S1/2, NW1/4 of S24 Comment
  UCR225593  Lepidium nitidum A. C. Sanders, T. B. Salvato 2011-3-29 38885 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor between Byers St. at west end of McLaughlin Rd. and Wheat St. 447 Comment
  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
  UCR20894  Lepidium virginicum var. pubescens A. C. Sanders 1978-7-1 00238 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  UCR80815  Lepidium virginicum var. pubescens Scott D. White 1993-5-29 1482 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  RSA575819  Lepidium virginicum var. robinsonii Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region , southern flank of the range along road in Arroyo del Torro. 609 Comment
  UCR258873  Lepidium virginicum var. robinsonii T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7909 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 0.6 mi north of Hwy 15 and Temescal Canyon 476 Comment
  RSA514321  Lepidospartum squamatum Reid V. Moran 1967-11-7 14644 Riverside 7 mi west of Radec. 400 Comment
  RSA604869  Lepidospartum squamatum Scott D. White 1995-12-24 3799 Riverside Lakeview Mtns: Ca 5 road mi SE of Davis RD/Ramona Expwy intersection. 610 Comment
  RSA650943  Lepidospartum squamatum C. J. Humphrey, Herbert Humphrey, E. T. Bartholomew 1936-6-7 379 Riverside In foothills San Gabriel Mts. 19 miles North of Riverside. 610 Comment
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Dec 15 2011
  SD137865  Lepidospartum squamatum Darin L. Banks, Steve Boyd 1995-10-17 777 Riverside Northwest Palomar Mountains; Agua Tibia Mountains, along lower Arroyo Seco, south of the Dripping Springs Campground. 515 Comment
  SFV11881  Lepidospartum squamatum R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UC372931  Lepidospartum squamatum Marcus E. Jones, A. M. 1923-8-2 Riverside Indian Well Comment
  CLARK-A1528-5128  Lepidospartum squamatum var. palmeri John C. Roos 1965-10-12 Riverside Whitewater Comment
  CAS-BOT-BC274377  Leptochloa panicea subsp. brachiata Malcom A. Nobs; S. Galen Smith 1948-9-3 489 Riverside 2 miles north of Indio Comment
  SEINET3005063  Leptochloa uninervia G. Rink 2011-4-30 10501 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  UC1924330  Leptochloa uninervia P. M. Peterson with D. R. Peterson 1988-8-24 4989 Riverside Batista Canyon Wash, entering San Jacinto River(Wash), just N of Cedar and Mountain, NE end of Hemet. Comment
  UCR107736  Leptochloa uninervia John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR92237  Leptochloa uninervia Scott D. White, S. Ogg 1994-10-17 2477 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  RSA561066  Leptosiphon androsaceus T. S. Ross, D. E. Bramlet 1993-5-12 7347 Riverside Southern Santa Ana Mountains, San Mateo County Wilderness area. San Mateo Canyon, along stream bed and adjacent to benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja canyon,. 366 Comment
  UCSB31638  Leptosiphon ciliatus Griesel, Wesley 1962-6-29 Riverside Dark Canyon, San Jacinto Mountains 1920 Comment
  RSA262081  Leptosiphon liniflorus E. W. Lathrop 1968-5-22 6945 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA585742  Leptosiphon pygmaeus subsp. continentalis D. L. Banks, S. D. Boyd 1995-5-9 0406 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 738 Comment
  UC310390  Lesquerella tenella Edmund C. Jaeger 1926-3-24 Riverside Pinto Valley; eastern Riverside Co. 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
  UCR193973  Lessingia filaginifolia A. C. Sanders 2008-7-25 35906 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  CAS-BOT-BC339364  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2929 Riverside Top of control on road to Hemet, Mt. San Jacinto Comment
  UC38169  Leymus condensatus H. M. Hall May 1899 1218 Riverside Smith Mt. San Jacinto Mountains Comment
  RSA544405  Leymus triticoides Steve Boyd, Timothy S. Ross 1991-6-14 6373 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  RSA286795  Lilaea scilloides Robert F. Thorne 1974-5-23 44658 Riverside Santa Rosa Plateau, Rancho California: near junction of Teneja Road and road to ranch headquarters 610 Comment
  RSA588184  Lilium humboldtii subsp. ocellatum Darin L. Banks, Victor Steinmann 1995-7-10 749 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. In major drainage that flows off NW flank of Wildhorse Peak. 610 Comment
  RSA324571  Limnanthes gracilis subsp. parishii Tom Griggs, Earl Lathrop 1985-3-3 2 Riverside Santa Rosa Plateau, 4 miles W of Murrieta; 1/4 mile below vernal pool C3 on Mesa de Colorado. Comment
  SDSU3176  Linanthus ciliatus Bruhns 1965-5-22 109 Riverside Slope around girls' dormitory of desert Sun School in Idyllwild. Yellow Pine Forest. Comment
  UCR263474  Linanthus ciliatus A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35590 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, c. 1.25 mi ENE of Mountain Center, nameless tributary to Coldwater Creek north of Johnson Meadow, along trail from May Valley Rd. 1555 Comment
  SD134419  Linanthus dianthiflorus Craig Reiser 1990-4-15 Riverside Off De Portola Road near Calle Grande Road Comment
  UCR260883  Linanthus dianthiflorus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41490 Riverside San Gorgonio Pass, c. 3.8 miles east of Cabazon, north of San Gorgonio River wash, south of I-10 and generally NE of water bottling plant, west of dirt road to wind farm 439 Comment
  UCR277166  Linanthus dianthiflorus Robert J. Steers, Chris E. True 2008-3-25 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Snow Creek Canyon, north of Snow Creek Village NE of where the Pacific Crest Trail crosses Snow Creek Rd. 364 Comment
  UCR59750  Linanthus dianthiflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3092 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, west of Woodchuck Rd. 512 Comment
  SEINET14181904  Linanthus dianthiflorus H. M. Hall April 1903 3793 Riverside Sonoran Zone, vicinity of Riverside. 366 Comment
  POM364580  Linanthus dianthiflorus subsp. dianthiflorus B. C. Templeton, I. W. Clokey 1930-4-9 1010 Riverside Near Banning 500 Comment
  UCR121238  Linanthus dianthiflorus subsp. farinosus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2250 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA674621  Linanthus liniflorus Scott D. White, Sandy Leatherman 2000-5-31 7975 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  RSA291597  Linaria canadensis var. texana C. W. Tilforth, Walter Wisura 1979-4-11 1781 Riverside Long Canyon, in wash, Rancho California Road, east of Temecula Comment
  POM13882  Linum lewisii E. C. Jaeger 1921-7-1 1179 Riverside Idyllwild, San Jacinto Mountains. Comment
  UCSB18971  Linum lewisii Keefe, Joseph 1961-5-6 Riverside Allendale Pines, north of Idyllwild 1371 Comment
  UCR80801  Linum lewisii var. lewisii Scott D. White 1993-5-29 1472 Riverside San Bernardino Mtns, Big Oaks Canyon, along the road to Raywood Flat,Yucaipa Ridge 2134 Comment
  UCR67360  Lithophragma affine subsp. mixtum Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 3994 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  SBBG69642  Lobelia cardinalis M. D. Clary 1928-7-7 Riverside Snow Crk, Mt San Jacinto Comment
  CSUSB534  Lobularia maritima Deborah Sullivan 1973-7-9 Riverside Glen Avon, Riverside. 243 Comment
  RSA525352  Loeflingia squarrosa Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4450 -A Riverside Vail Lake area, benches along Kolb Creek, W of Dripping Springs, N of Hwy 79. 488 Comment
  RSA65716  Loeflingia squarrosa F. W. Peirson 1922-4-9 4156 Riverside Palm Canyon Region, near Palm Springs. Comment
  JOTR37464  Loeseliastrum matthewsii Hodges, Stephen, T. Green 2016-5-5 586 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Upper Covington Flats, southwest from parking area for Covington Crest trail, along the ridge crest (Stop 1) Comment
  RSA500180  Loeseliastrum matthewsii Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3650 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Highway 79. 488 Comment
  UC909107  Loeseliastrum schottii John Thomas Howell 1928-3-11 3441 Riverside 6 mi. s.e. Garnet Station; Colorado Desert 152 Comment
  UC1563039  Logfia arizonica Steve Boyd, Tim Ross, and Laurel Arnseth 1989-3-19 3043 Riverside 0.75 mi nw dam (s flank Oak Mountain); Vail Lake area 621 Comment
  SEINET10727477  Logfia arizonica David B. Dunn, Shogo; Schroeder; Bruskin; FOLSOM 1948-3-13 Dunn 3706 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  SDSU13923  Logfia gallica Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2135 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  RSA595329  Lolium perenne subsp. multiflorum D. L. Banks, Victor Steinmann 1996-4-20 0877 A Riverside Temecula, at Mobil Gasoline Station on Bedford Ct., approximately 0.1 miles E on Hwy 79 from I-15 off ramp. Collected in disturbed field and along wall of adjacent apartment complex, SE of the Gas Station. Comment
  UC1511321  Lomatium mohavense Robert F. Thorne, Avi Shmida, and Robert Whittaker 1978-4-23 52084 Riverside Pinyon Flats, along Hwy 74 Comment
  UCSB18674  Lomatium mohavense Winn, Will 1963-5-5 Riverside Pinyon Flats Campground 1219 Comment
  UCR177636  Lonicera subspicata John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  POM17511  Lonicera subspicata var. denudata P. A. Munz 1923-6-18 7128 Riverside Temecula Canyon. Comment
  RSA388333  Lonicera subspicata var. denudata Steve Boyd 1986-5-7 1831 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  RSA406418  Lotus M. B. Dunkle 1932-3-26 2937 Riverside Northwest of Indio, 10 miles. Comment
  POM304887  Lotus argophyllus var. argophyllus Henry J. Ramsey, Henry J. Ramsey 1938-4-22 248 Riverside Santa Rosa Mountains. 1220 Comment
  RSA113275  Lotus argophyllus var. argophyllus E. K. Balls 1955-4-1 20413 Riverside Hwy 74, 3 miles NE of Pinyon Flats. Alt 915 Comment
  RSA496733  Lotus argophyllus var. argophyllus B. Pitzer, A. C. Sanders 1987-4-21 498 Riverside Box Springs Mts., near southernmost radio towers 793 Comment
  CLARK-A1528-2800  Lotus heermannii John C. Roos 1952-6-13 5768 Riverside Pigeon Pass 426 Comment
  RSA582442  Lotus heermannii L. C. Wheeler 1932-9-4 1326 Riverside Santa Ana River at Chino Creek. 152 Comment
  UCR20643  Lotus humistratus O. F. Clarke 1980-4-26 s.n. Riverside Menifee Valley Area, south of Sun City a few miles. 1.5 miles west from the intersection of Holland and Haun Roads, 2 miles SW of the intersection of Newport Rd and Hwy 395 473 Comment
  POM12874  Lotus nevadensis var. nevadensis P. A. Munz 1922-7-6 6017 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  UC80779  Lotus oblongifolius var. oblongifolius A. W. Anthony 1895-7-13 Riverside San Jacinto Mts. Comment
  UCR178199  Lotus purshianus Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 649 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UCR256782  Lotus purshianus T. B. Salvato, Matthew Malle 2013-5-20 7574 Riverside Perris-Aguanga Basin, Menifee, east of Railroad Canyon and west of Hyw I-215. Murrieta Road between Newport Road and La Piedra Road 454 Comment
  UCR93066  Lotus purshianus A. C. Sanders, S. Ogg 1994-7-28 15193 Riverside San Bernardino Valley, Colton & Riverside: Santa Ana River from the Riverside Ave. (N. Main St.) bridge downstream almost to Market St. crossing, both sides of San Bernardino Co. line, but mostly RIV 246 Comment
  UC212493  Lotus rigidus Ivan Johnston 1917-4-4 Riverside Palm Canyon Colorado Desert Comment
  UCR122769  Lotus rigidus George K. Helmkamp, E. A. Helmkamp 1998-4-24 3376 Riverside Santa Rosa Mountains, Pinyon Pines along Calif. Hwy 74 between the San Jacinto and Santa Rosa Mountains 1296 Comment
  RSA0025520  Lotus rigidus John F. Emmel 1986-4-12 995 Riverside Little San Bernardino Mtns: upper Berdoo Canyon. Locality also includes Quarter S 1/2. Section 31, Township 3S, Range 9E. 1372 Comment
  SEINET8721510 Image available Lotus rigidus Lewis S. Rose 1938-1 38336 Riverside 15 mi. sw. of Cathedral City. Palms to Pines Highway, San Jacinto Mts. 671 Comment
  UC864926  Lotus salsuginosus var. brevivexillus C. L. Hitchcock 1940-3-29 5854 Riverside ca 100 yds e Cottonwood Spring; Cottonwood Canyon Comment
  JEPS65155  Lotus salsuginosus var. salsuginosus W. L. Jepson 1935-4-17 19152 Riverside 1 1/2 mi n of Elsinore 457 Comment
  RSA776227  Lotus scoparius var. brevialatus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 877 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 762 Comment
  CSUSB1251  Lotus strigosus unknown 1957-5-1 Riverside Pigeon Pass Comment
  JEPS55808  Lotus strigosus H. M. Hall 1905-4-22 5853 Riverside Canyon Springs Colorado Desert Comment
  RSA406330  Lotus strigosus N. C. Cooper 1945-5-24 1629 Riverside Big Oaks Canyon, Banning, San Gorgonio Mountains. 1220 Comment
  RSA571289  Lotus strigosus Steve Boyd, Darin Banks 1994-4-5 8269 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. Comment
  UC15698  Lotus strigosus H. M. Hall May 17 1901-Jun 1 1901 1809 Riverside s side San Jacinto Mt. 1615 Comment
  RSA406378  Lotus tomentellus M. B. Dunkle 1935-3-31 4434 Riverside Pinto Basin. 915 Comment
  RSA480075  Lotus tomentellus Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2166 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  SEINET3557308  Lotus tomentellus C. L. Hitchcock 1940-3-29 5854 Riverside Cottonwood Canyon, 100 yards east of Spring Comment
  UCR52010  Lotus tomentellus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2184 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA388393  Lotus unifoliolatus R. F. Thorne, S. D. Boyd, E. W. Lathrop 1985-7-18 61205 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
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Nov 13 2015
  RSA709182  Lupinus A. C. Sanders, J. Goetzen 1996-5-1 18129 Riverside Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning. 830 Comment
  UC397414  Lupinus albifrons P. A. Munz 1921-4-30 4494 Riverside Pinyon Wells 1219 Comment
  CHSC60281  Lupinus arizonicus J. Lund 1980-4-3 Riverside 200 feet south of the entrance to Joshua Tree National Monument. 944 Comment
  POM46812  Lupinus arizonicus Mary F. Spencer 1920-3-16 1494 Riverside Mecca -60 Comment
  RSA86947  Lupinus arizonicus F. W. Peirson 1935-4-17 11472 Riverside 25 miles north of Blythe, eastern Riverside. Comment
  UC1595757  Lupinus arizonicus W. Wisura, J. Dolan, M. Wall 1992-3-24 4621 Riverside on Box Canyon Rd. 5.5 mi ne Mecca (Lowdesert); ne of Mecca Comment
  UC195032  Lupinus arizonicus Joseph Grinnell 1910-3-17 Riverside Riverside Mt.; Colorado River, Riverside Mt. Comment
  UCR279239  Lupinus arizonicus A. C. Sanders, Jim Malusa 2017-3-23 42935 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 771 Comment
  RSA678421  Lupinus bicolor Michael Wall 2003-4-6 261 Riverside San Jacinto Valley, vacant lot off Ramona Expressway at Donna Ave. adjacent to Soboba Health Clinic. Property for sale for Future housing development. 506 Comment
  SD140103  Lupinus bicolor Scott White 1993-4-20 1202 Riverside Estelle Peak, Gavilan Hills; Lake Mathews quad. 822 Comment
  UC865048  Lupinus bicolor L. Haines, L. Erickson 1937-4-9 Riverside pasture 1 mi w San Jacinto; w of San Jacinto Comment
  UCR178837  Lupinus bicolor T. B. Salvato, Jeffrey Ross, B. G. Pitzer 1998-3-25 MOR- 1037 B Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon, 0.2 mi. east of N-S Potrero Canyon Rd. on dirt road to Corral Canyon, junction at Bench Mark 3054', Tree Stand P-08 930 Comment
  JEPS65056  Lupinus concinnus Marjorie Clary 1930-4-10 8 Riverside Devils Canyon 91 Comment
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Jan 8 2017
  UCSB3264  Lupinus concinnus Keator, Glenn 1959-5-17 Riverside On Pines to Palms highway; about 10 miles south of Idyllwild Comment
  SBBG35091  Lupinus excubitus T. L. Secrest 1951-5-19 Riverside near Idyllwild Comment
  RSA552695  Lupinus excubitus var. hallii Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-26 6703 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  RSA413700  Lupinus hirsutissimus H. de Forest, Freda Detmers 1933-3-25 17157 Riverside Between Banning and Cabazon Comment
  RSA614164  Lupinus hirsutissimus D. L. Banks 1997-2-23 1313 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  RSA414786  Lupinus hyacinthinus E. C. Jaeger 1922-7-3 s.n. Riverside Tahquitz Valley San Jacinto Mts 2104 Comment
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Mar 21 2011
  RSA503807  Lupinus hyacinthinus N. C. Cooper 1944-7-16 1611 Riverside San Jacinto Mts, above Pine Cove. 1982 Comment
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Oct 24 2008
  RSA5431  Lupinus hyacinthinus Carl B. Wolf 1932-8-5 3985 Riverside near junction of trail from Round Valley to San Jacinto Peak and trail to idyllwild via Tahquitz Valley 2957 Comment
  RSA87183  Lupinus hyacinthinus Joseph A. Ewan 1930-8-31 2145 Riverside Hidden lake, San Jacinto Mts. 2744 Comment
  OBI48521  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-15 1341 Riverside Pasture and adj dirt rd, Guava St (DeLuz Rd) 0.4 mi S jct. Washington Ave in Murietta Comment
  SD8477  Lupinus shockleyi Parish Apr 1882 Riverside Whitewater Canyon. Comment
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Jan 14 2010
  RSA586094  Lupinus sparsiflorus D. L. Banks, S. D. Boyd 1995-4-5 0135 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, E of the Dripping Springs Trail, in the N flowing drainage that empties into Arroyo Seco. 610 Comment
  UCR256794  Lupinus sparsiflorus T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7872 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  CLARK-A1528-505  Lupinus truncatus C. M. Flanagan 1973-4-26 OO 308 Riverside Morongo Indian Reservation 1158 Comment
  SDSU13325  Lupinus truncatus Jeremy Mass, Ryan Jacobson 2000-4-19 Riverside Stone Creek, Santa Margarita Ecological Reserve, along jeep trail going from south-side facility to north-side facility. About 1.5 miles from south-side facility. 183 Comment
  UCR113172  Lupinus truncatus A. C. Sanders 1998-3-11 21663 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, saddle dam site 534 Comment
  CLARK-A1528-4346  Lycium andersonii John C. Roos 1937-4-18 1377 Riverside Snow Creek Comment
  UC303697  Lycium andersonii I. M. Johnston 1918-5-30 2028 Riverside w of High School (Elsinore); Elsinore 365 Comment
  UCR103780  Lycium barbarum Scott D. White 1994-10-21 2506 Riverside Temecula Valley, Murrieta Creek channel downstream from Santa Gertrudis Creek confluence. south of bridge at Winchester; north of Long Valley Rd. 305 Comment
  POM98789  Lycium brevipes var. brevipes Philip A. Munz 1926-1-31 9964 Riverside Dos Palmas Spring Comment
  POM153406  Lythrum californicum P. A. Munz, I. M. Johnston 1928-9-12 11305 Riverside SE end of Elsinore Lake Comment
  UCR201949  Lythrum hyssopifolia Mike Misenhelter 2005-7-12 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 miles E of Sun City, c. 2 mi. SW of Winchester, Hemet U. School Distr. proposed elementary school site, 14 acres on south side of Salt Creek and NE of the intersection of Leon and Patton Rds. 444 Comment
  RSA795923  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell 2009-4-19 286 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  RSA0101004  Malacothamnus densiflorus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3546 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  SEINET3001927 Image available Malacothamnus fasciculatus subsp. laxiflorus John Minnich 1964-1 64- 2 -27-2 Riverside ''Two Trees Canyon,'' at end of Two Trees Road, near the east end of Blaine St., Riverside Comment
  UCR103911  Malacothrix clevelandii B. G. Pitzer 1997-4-11 3119 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  CAS-BOT-BC347706  Malacothrix glabrata John Thomas Howell 1928-3-25 3550 Riverside 15 miles s. of Palm Springs on road to Indio, Colorado Desert Comment
  JOTR35039  Malacothrix glabrata La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3492 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  UC33283  Malacothrix glabrata W. G. Wright 1889-1 1754 Riverside Colorado Desert Comment
  UCR261454  Malacothrix glabrata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41441 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
  RSA594788  Malacothrix saxatilis var. tenuifolia D. L. Banks, Dylan Hannon 1996-5-3 0983 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
  SEINET269556  Malacothrix saxatilis var. tenuifolia Scott D. White 1996-5-27 4069 Riverside 'Badlands' Jackrabbit Canyon east of Moreno Valley and south of Calimesa between state highway 60 and Gilman Spring R 518 Comment
  IRVC76  Malosma laurina Polly Brecht 1965-4-24 s.n. Riverside Upper San Juan Creek Camp, Ortega Highway. Santa Ana Mountains Comment
  UCR202248  Malva parviflora Mike Misenhelter 2005-7-12 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 miles E of Sun City, c. 2 mi. SW of Winchester, Hemet U. School Distr. proposed elementary school site, 14 acres on south side of Salt Creek and NE of the intersection of Leon and Patton Rds. 444 Comment
  RSA575924  Malvella leprosa Steve Boyd, D. L. Banks 1994-9-29 8364 Riverside Lake Elsinore, floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  SD260975  Malvella leprosa A. C. Sanders, Karen Kirtland 2016-9-23 42630 Riverside San Jacinto Valley: edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd. betweeen Jack Rabbit Tr. and Eden Hot Springs Rd. 434 Comment
  UCR154828  Marah macrocarpa A. C. Sanders, Mike Misenhelter 2005-3-23 29274 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  JOTR29577  Marina parryi Andre, Jim 2006-4-6 6690 Riverside Joshua Tree National Park. Wilson Canyon, along Pinto Basin Rd 865 Comment
  RSA0043065  Marina parryi Duncan S. Bell, LeRoy Gross 2014-3-20 6267 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  SBBG87724  Marina parryi S. Boyd, S. Meury, R. Noyes, L. Arnjseth, D. Nordin, T. Ross 1988-3-10 2131 Riverside 2 mi W of Palen Pass; N end of Palen Mtns 300 Comment
  SEINET2063252 Image available Marina parryi B. Pitzer 1988-3-10 646 Riverside W side of Chuckwalla Mts., on gas line road ca. 1.5 mi N of intersection with Red Cloud Mine Rd.; ca 2 mi. S of I-10. 487 Comment
  UCD106738  Marina parryi Steve Boyd; Thomas S. Elias and Erika Winter 1986-2-18 1319 Riverside Mecca Hills, Colorado Desert: Painted canyon N of Hwy 195. Comment
  RSA96892  Marina parryi E. K. Balls 1954-6-18 19536 Riverside Along U.S Hwy 60-70 near Hayfields. Comment
  RSA85835  Marsilea vestita F. W. Peirson 1930-5-10 8768 Riverside along the boulevard opposite March Field, south of Riverside 457 Comment
  CLARK-A1528-2011  Matricaria matricarioides John C. Roos 1966-3-24 Riverside Winchester Comment
  RSA621899  Matricaria matricarioides Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-18 2995 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  UCR20790  Matricaria matricarioides A. C. Sanders, Steve Boyd 1980-5-2 1400 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UC35565  Matricaria occidentalis Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  UCR155827  Medicago polymorpha John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR2908  Melia azedarach Nancy Atha 1963-4-21 4-21-63- 4 Riverside Riverside, NW side of Box Springs Mountain, c. 100 ft. above the end of Goodrich Drive 305 Comment
  UCR55890  Melia azedarach J. A. Adams 1966-4-28 710 A Riverside Santa Rosa Plateau, dirt road from Murrieta to De Luz. 15 mi east of De Luz 762 Comment
  UCR213533  Melica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37800 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
  RSA689452  Melica frutescens Scott D. White, Michael Honer 2003-4-9 8996 Riverside About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak '2349.' 549 Comment
  UCR78461  Melica frutescens Scott D. White 1993-4-22 1241 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  UCD88006  Melica imperfecta Peter H. Raven 1958-5-5 12879 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument. Comment
  SEINET7856472  Melica imperfecta M. F. Barrus, M. M. Whetzel 1920-3-16 226 Riverside Riverside, Canyon, W slope of Box Springs Mts. Comment
  CLARK-A1528-510  Melilotus albus John C. Roos 1951-9-25 5256 Riverside Riverside 259 Comment
  POM19608  Melilotus albus Mary F. Spencer 1923-4-5 2197 Riverside San Jacinto. Comment
  UCR194818  Melinis repens Scott D. White, Justin Wood 2007-4-16 11652 Riverside Peninsular Range, near Rainbow Valley, mountains west of I-15 Fwy and immediately north of San Diego County boundary 579 Comment
  UCR194226  Mentha suaveolens Scott D. White, Angelia Carey 2004-6-4 10475 B Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  SEINET3094596 Image available Mentzelia Norman C. Cooper 1949-4-8 3345 Riverside Blythe. Comment
  HSC87136  Mentzelia albicaulis Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2113 Riverside N end Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  JOTR29305  Mentzelia involucrata La Doux, Tasha, Mike Bell 2006-5-17 1382 Riverside Joshua Tree National Park. East Deception Canyon Comment
  UC217974  Mentzelia involucrata P. A. Munz, D. Keck 1922-4-13 4940 Riverside Colorado Desert, Eagle Mtns. 243 Comment
  UC488988  Mentzelia laevicaulis var. laevicaulis C. V. Meyer June 1927 209 Riverside Western base of San Jacinto Mt. Comment
  UC1004770  Mentzelia longiloba E. C. Jaeger 1939-12-16 Riverside Chuckwalla Springs 182 Comment
  UC170135  Mentzelia longiloba E. E. Schellenger 1894-12-2 107 Riverside Colorado Desert, Chuckawalla Wash. Comment
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1
  RSA0127361  Mentzelia longiloba var. longiloba Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 961 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. 243 Comment
  UCR241672  Mercurialis annua O. F. Clarke 2011-4-10 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 365 Comment
  RSA546307  Mesembryanthemum nodiflorum D. E. Bramlet, S. D. Boyd, A. C. Sanders, F. Roberts 1992-5-21 2291 Riverside The site is approximately 8 km southwest of Hemet. Found on the margin of vernal pools, which are located northwest of the intersection California Ave. and Stowe Rd., The site is located some 60 m N of Stowe Rd and some 122 m west of California Ave. 456 Comment
  RSA618162  Micropus californicus D. L. Banks 1997-5-5 2023 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  CAS-BOT-BC348453  Micropus californicus var. californicus E. W. Lathrop 1965-5-9 5734 Riverside 6 miles W of Murrieta Comment
  RSA496365  Microseris douglasii subsp. platycarpha Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-19 3039 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain 549 Comment
  UCR166809  Microseris elegans R. E. Riefner Jr. 2005-4-22 05- 240 Riverside Patton Rd. at Patterson Ave., SE of Winchester near San Diego Aqueduct 452 Comment
  UCR230606  Microseris heterocarpa A. C. Sanders, Nathan Moorhatch 2011-3-22 38779 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, 0.61 km east of Hwy 74, south of Ethanac Rd. 503 Comment
  UCR174102  Microseris lindleyi A. C. Sanders 2006-5-19 32447 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
  RSA586766  Mimulus aurantiacus D. L. Banks, S. D. Boyd 1995-5-17 464 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of Upper Arroyo Seco. 659 Comment
  UCSB16147  Mimulus aurantiacus var. pubescens Keefe, Joseph 1963-3-15 Riverside on north slope above State Highway 74; 1.2 miles west of junction with Grand Avenue; Elsinore 533 Comment
  RSA0030783  Mimulus aurantiacus var. pubescens N. C. Cooper 1944-6-16 1428 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  JEPS34541  Mimulus aurantiacus var. puniceus Freed W. Hoffman 1950-4-24 3573 Riverside where Winchester road turns off from Highway #74; Rock Brook Ranch Comment
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Mar 20 2011
  POM262903  Mimulus aurantiacus var. puniceus J. C. Roos 1941-5-17 123 Riverside About 4 miles SW of March Field. Comment
  RSA719268  Mimulus bigelovii Michael Honer, L. Hulse 2004-4-3 1899 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canyon. 610 Comment
  UC68823  Mimulus brevipes Bertha E. Brittain 1905-5-30 Riverside near Riverside Comment
  UC27107  Mimulus breweri H. M. Hall July 1901 Riverside vicinity Deer Spring (Accordion Creek); San Jacinto Mountains 2590 Comment
  RSA263705  Mimulus clevelandii E. W. Lathrop 1968-5-30 6938 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  UCR93071  Mimulus floribundus A. C. Sanders, S. Ogg 1994-6-28 15182 Riverside Santa Ana River between the Hwy 60 bridge and the Mission Blvd. Bridge 241 Comment
  UCR1001  Mimulus guttatus B. L. Estes 1961-3-29 s.n. Riverside Riverside, UCR campus: 150 yds east of Webber Hall Comment
  CSUSB912  Mimulus longiflorus Steve Kulju 1974-4-27 Riverside Box Springs Mountains Box Springs Mountains; dirt road to the radio tower, 4 miles from Pigeon Pass Road. 761 Comment
  UC886376  Mimulus moniliformis I. W. Clokey, E. G. Anderson 1935-8-21 6901 Riverside North fork San Jacinto River 1500 Comment
  UC886073  Mimulus pilosus Carl B. Wolf 1932-8-5 3930 Riverside summit of Devil's Slide Trail from Idyllwild to Tahquitz Valley; San Jacinto Mts. 2438 Comment
  UCR275350  Mimulus pilosus T. B. Salvato, Melissa Clemons 2005-6-9 1493 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  SEINET10570117  Mimulus pilosus David B. Dunn 1946-8-16 Dunn 2668 Riverside Open, dry trail soil by Jolly Springs. Jolly Springs ravine on trail up Devil's Slide, San Jacinto Mountains. Comment
  SEINET10570263  Mimulus primuloides David B. Dunn 1946-8-17 Dunn 2690 Riverside Near stream at camp in taquitz valley damp meadow area. San jacinto mtns. Comment
  GMDRC4942  Mirabilis bigelovii var. retrorsa J. Andre 2011-2-18 15818 Riverside Coachella Valley: north end of valley at base of Morongo Canyon, 0.5 mi. N. of Indian Cyn Rd, 1 mi. west of Hwy 62. 473 Comment
  UCR115410  Mirabilis californica Mitch Provance 1999-4-3 1753 Riverside City of Riverside, SW side of 'Royal Hill', 0.25 miles east of the corner of Victoria Ave. and Arlington Ave. 351 Comment
  POM293184  Mirabilis laevis var. crassifolia Lyman Benson 1946-4-15 12022 Riverside 2 miles east of Banning, Colorado Desert. 610 Comment
  RSA69464  Mirabilis laevis var. crassifolia F. W. Peirson 1921-3-19 69464 Riverside Cabazon, San Gorgonio Pass. Comment
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Mar 13 2011
  SDSU18647  Mirabilis laevis var. crassifolia C. Matt Guilliams, Jeannine Ross 2008-3-12 526 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Collections near the Dudleya multicaulis restoration site. 388 Comment
  SEINET244862  Mirabilis laevis var. crassifolia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24920 Riverside The Badlands; Hills and canyones west of Laborde Canyon, 1 miles northeast of Eden Hot Springs, SW of Beaumont 610 Comment
  UCR23539  Mirabilis multiflora var. pubescens John C. Roos 1946-8-27 2785 Riverside Peninsular Range, Santa Rosa Mtns 2287 Comment
  POM44293  Mohavea confertiflora H. M. Hall 1905-4-16 5778 Riverside Canyon near Indio Mt. in the Colorado Desert, Lower Sonoran Zone, 150 Comment
  UC1546688  Mohavea confertiflora Barry A. Prigge 1988-2-21 7846 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well 228 Comment
  RSA40609  Mollugo cerviana J. C. Roos 1946-9-14 3015 Riverside Thomas Valley, San Jacinto Mountains. 1372 Comment
  UCR77714  Mollugo verticillata Steve Boyd, Et al 1991-6-14 6342 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  UCR4650  Monardella breweri subsp. lanceolata Frank C. Vasek 1964-7-25 640725- 20 Riverside San Jacinto Mountains, Dark Canyon 1829 Comment
  CAS-BOT-BC215453  Monardella linoides subsp. linoides H. M. Hall 1897-7-30 758 Riverside 20 mi. south of Palm Springs, Eastern base, along the borders of the Colorado Desert, San Jacinto Mountains Comment
  UC1995340  Monardella linoides subsp. linoides C. Epling Jun 1938 Riverside Pines to Palms Highway Comment
  LA205748  Monardella nana Elizabeth McClintock; Harlan Lewis 1941-6-22 70 Riverside Stone Creek, on the Banning-Idyllwild road Comment
  UC1499820  Monardella nana Elizabeth McClintock 1941-7-21 123 Riverside San Jacinto Mts. Trail to Hidden Lake, a short distance below Willow Creek. Comment
  SDSU7308  Monardella nana subsp. arida H. Wedberg 1962-4-20 912 Riverside About 1 mile SE of Pinyon Flats on raod to Palm Springs. 1219 Comment
  SEINET1910804  Monardella nana subsp. arida E. McClintock, H. Lewis 1941-1 76 Riverside Road up Santa Rosa Mt. 1/2 mile beyond canyon where stream crosses road. Comment
  UCR221487  Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-6-29 076 Riverside Peninsular Range; Santa Rosa Mtns., road up Santa Rosa Mountain, 0.5 mile beyond canyon where stream crosses road 1944 Comment
  RSA401635A  Monardella nana subsp. tenuiflora G. Willett 1931-6-24 s.n. Riverside San Jacinto Mountains. Comment
  RSA750291  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 99 Riverside Black Mt. 3/4 mile beyond the snow gate. Comment
  UC1499805  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-12 109 Riverside trail to Deer Springs (below third spring which crosses trail); San Jacinto Mts. Comment
  UCR221475  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 115 A 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
  SEINET945637  Monardella robisonii K. Stolte 1979-1 Riverside Joshua Tree National Monument. Zoo Rock. A small mound of rock on the south side of Monument Route 2, 3.8 miles NW of the entrance to Lost Horse Ranger Station. Collected on the western aspect of Zoo Rock. Comment
  UCR260159  Monolepis nuttalliana Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4777 Riverside Eastern Mojave Desert, east side of Arica Mountains, west side of Rice Valley c. 6 air mi southeast of the ghost town of Rice or c. 5.25 air mi east-southeast of Priests Well 211 Comment
  UCR78333  Monolopia lanceolata D. E. Bramlet 1993-4-13 2325 Riverside Adjacent to (north of) the existing dirt access road, 610 m north of Cajalco Rd, in the 'Cajalco Bend' area, 1.1 km west of Lake Mathews Drive 433 Comment
  RSA3974  Monoptilon bellioides C. B. Wolf 1932-4-29 3112 Riverside Eastern Colorado Desert, 9 mi S of Brown's Well on the Blythe-Rice Road [Midland Rd]. 243 Comment
  UC1051456  Monoptilon bellioides Herbert L. Mason 1952-4-7 14210 Riverside Palm Springs Palm Canyon Comment
  UCR4008  Monoptilon bellioides Val Chase 1965-3-7 3 B Riverside Western Colorado Desert, 6 miles NW of Thousand Palms on the road to Hidden Springs Ranch to the west of the road in high parts of a rocky wash 244 Comment
  SEINET10800992  Monoptilon bellioides David B. Dunn 1948-3-14 Dunn 3773 Riverside Found in flat open sands near Hidden Springs Ranch 5 miles south of the Indio Hills in the Colorado Desert. Comment
  SEINET2153727  Montia perfoliata W. H. Whaley 2002-1 s.n. Riverside along Idyllwild road, at mile marker 21, recent burn site, ca 3/4 mile SE of Mt. Oak Boys Ranch. Comment
  UCR106351  Muhlenbergia asperifolia John Wear, N. Moorhatch 1996-9-20 s.n. Riverside San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR136266  Muhlenbergia microsperma A. C. Sanders 2004-4-20 27550 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
  SEINET10468383  Muhlenbergia richardsonis David B. Dunn 1946-8-18 Dunn 2757 Riverside Found Jolly Springs ravine on trail up Devil's Slide. San Jacinto Mts. Wellman Sieniga, damp soil. Comment
  UCD87002  Muhlenbergia rigens A. A. Beetle 1944-4-27 3004 Riverside West of Murietta. Comment
  RSA586850  Muilla maritima Darin L. Banks, Steve Boyd 1995-5-3 269 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UCR241563  Muilla maritima A. C. Sanders 2013-4-16 40795 Riverside Peninsular Range; SE Gavilan Hills, SCE power line west of the San Jacinto River and south of Perris, 2 km SW of the intersection of Goetz & Ethanac roads 428 Comment
  CLARK-A1656-627  Nama demissa Lois Ann Scott 1978-4-18 Riverside Thermal Canyon 411 Comment
  RSA421113  Nama demissa Elbert Benjamine 1929-4-7 152 Riverside Palm Springs. Comment
  RSA444315  Nama demissa Walter Wisura 1988-3-1 4184 Riverside Colorado Desert. In wash off Interstate 10 at beginning of Box Canyon road toward Mecca. Comment
  SBBG35144  Nama demissa T. L. Secrest 1948-4-7 Riverside near Desert Hot Springs 213 Comment
  UC1595753  Nama demissa W. Wisura, J. Dolan, M. Wall 1992-3-24 4632 Riverside on Box Canyon Rd 13.1 mi ne Mecca (Lowdesert); ne of Mecca Comment
  UCSB18501  Nama demissa MacLean, Steve 1963-5-5 Riverside State Highway 74; 10.2 miles SW of Palm Desert 883 Comment
  POM9615  Nama demissa var. deserti H. M. Hall 2770 Riverside Coyote Canyon. Alt 500ft 152 Comment
  UCR89893  Nama hispida A. C. Sanders 1992-4-5 12162 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley near Wiley's Well rest area on Hwy I-10, along dirt road to McCoy Spring 125 Comment
  UCR29819  Nama pusilla George K. Helmkamp 1983-3-24 383- 9 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  UCR110404  Nama stenocarpa A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23173 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCD87904  Nassella cernua Fred M. Reed 1906-2-1 877 Riverside Riverside County, Riverside: Tequesquito Arroyo. Comment
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May 1 2011
  RSA654178  Navarretia atractyloides Mitch Provance 1998-6-11 677 Riverside Jurupa Mountains: Twin Canyons, S of the historical community known as Declezville. This housing development area is now known as Southridge. 320 Comment
  SEINET235610  Navarretia hamata A. C. Sanders 1994-5-30 14591 Riverside San Bernardino Mountains: NNE of Beaumont at Highland Springs hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  UCR233161A  Nemacladus Jim Andre, Glenn L. Clifton 2011-2-22 17450 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  RSA668415  Nemacladus glanduliferus var. glanduliferus S. Granger 1979-4-12 s.n. Riverside Pinkham Wash-Cottonwood Mountains foothills. South of Colorado River Aqueduct north of Cactus City. 488 Comment
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May 12 2016
  HSC85261  Nemacladus longiflorus Steve Boyd 1986-4-22 1753 Riverside Stable alluvial benches of Indian Wash just S of Interstate Hwy 15 Comment
  RSA339652  Nemacladus longiflorus var. breviflorus R. F. Thorne, C. W. Tilforth 1980-5-28 54232 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA789233  Nemacladus longiflorus var. longiflorus Naomi Fraga, Duncan S. Bell 2009-5-6 2707 Riverside Arroyo seco SE of Dripping Springs Campground and Fire Station. 488 Comment
  POM46796  Nemacladus rubescens Mary F. Spencer 1920-3-27 1498 Riverside Palm Springs. 122 Comment
  JOTR36433  Nemacladus tenuis var. aliformis La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3404 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  SEINET3409351  Nemacladus tenuis var. aliformis G. Rink, T. Thomas 2013-3-30 11922 Riverside About 3 miles east of Desert Center 220 Comment
  POM68098  Nemacladus tenuis var. tenuis Marcus E. Jones 1906-4-27 s.n. Riverside Palm Springs. Comment
  RSA767265  Nemacladus tenuis var. tenuis Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10883 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills , just east of Coachella Canal. 24 Comment
  RSA191997  Nemophila menziesii E. W. Lathrop 1960-3-25 4685 Riverside 14 miles west of Murrieta. Comment
  RSA659376  Nemophila menziesii Lydia Paneri 1982-4-17 48 Riverside Hillside north of Cajalco Road, 2 miles east of I-15. Comment
  RSA673728  Nemophila menziesii Scott D. White, Bill La Haye 2000-5-27 7964 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  RSA751918  Nemophila menziesii Scott D. White, Justin M. Wood 2009-5-22 12921 Riverside San Jacinto Mountains: Old Control Road, above Halfway Spring. 1159 Comment
  SD7444  Nemophila menziesii Daniel Cleveland 1882-4-24 Riverside Temecula Comment
  UC880909  Nemophila menziesii K. Watkins and E. McClintock 1937-4-9 Riverside Riverside-Hemet Road near Winchester turnoff; Riverside-Hemet Road Comment
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Mar 20 2011
  UCR135994  Nemophila menziesii var. menziesii Virginia Moran 2003-3-26 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
  RSA38410  Nicolletia occidentalis P. A. Munz 1946-10-21 11602 Riverside Near Ellen M. Mine, Joshua Tree National Monument 1296 Comment
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Sep 25 2011
  CSUSB769  Nicotiana bigelovii Charles Herrick 1974-5-11 Riverside 1/4 mile southeast of Calimesa turnoff of freeway 10. 716 Comment
  JOTR35340  Nicotiana obtusifolia Harding, Mitzi, Mark Wheeler 2012-2-28 106 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; steep-walled, shallow, north-flowing canyon with rocky wash bottom (Stop 4) 361 Comment
  RSA155546  Nicotiana obtusifolia L. S. Rose 1962-3-3 62014 Riverside Palm Desert. 152 Comment
  SBBG70578  Nicotiana obtusifolia M. N. Ackley 1928-3-31 971 Riverside Painted Cyn 76 Comment
  SBBG101775  Nicotiana quadrivalvis S. Boyd, T. Ross 1991-6-14 6393 Riverside Warm Springs Crk at the NE end of Hogbacks ridge, from Alamos Rd S to confluence w/ Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  UC76178  Nicotiana quadrivalvis Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR133689  Nicotiana quadrivalvis Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR235078  Nicotiana quadrivalvis A. C. Sanders, John F. Green 2012-6-1 40235 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, just SE of I-15 junction with Horsethief Cyn. Rd., c. 7 miles N of Lake Elsinore 377 Comment
  PASA2135  Nicotiana trigonophylla 1928-3-3 Riverside Hidden Springs, Colorado Desert Comment
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Aug 27 2016
  RSA741196  Oenothera californica subsp. californica Scott D. White, Justin M. Wood 2008-5-15 11972 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  RSA795946  Oenothera deltoides Duncan S. Bell 2009-4-19 272 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCR214714  Oenothera deltoides A. C. Sanders 2010-3-23 37548 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  RSA75413  Oenothera deltoides subsp. deltoides F. W. Peirson 1918-03 779 Riverside Irrigated field near Indio. Comment
  RSA75419  Oenothera deltoides subsp. deltoides F. W. Peirson 1922-4-6 782 Riverside Near the White Water Bridge, head of Coachella Valley. Comment
  RSA736921  Oenothera elata subsp. hirsutissima 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. 534 Comment
  RSA335031  Olea europaea Steve Boyd 1985-7-23 1004 Riverside De Luz Rd., 5.5 miles west of Rancho California. 396 Comment
  CAS-BOT-BC427465  Oligomeris linifolia E. A. McGregor 1917-3-19 799 Riverside Colorado Desert. Indio Sands near U. S. Date Garden Comment
  POM122332  Oligomeris linifolia Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  UCR151427  Oligomeris linifolia D. L. Banks, V. W. Steinmann 1997-3-13 1500 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  RSA444475  Olneya tesota J. C. Roos 1965-12-4 s.n. Riverside 2 miles SE of Desert Center. 366 Comment
  CDA7534  Oncosiphon piluliferum Mitch Provance 2003-4-18 6607 Riverside San Bernardino Valley; Riverside, Santa Ana River Wash, just under and northeast of the Market Street Bridge. Comment
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Feb 1 2018
  UCR266155  Oncosiphon piluliferum R. E. Riefner Jr. 2015-4-3 15- 108 Riverside Perris-Agunaga Basin, city of Menifee, Haun Road at Holland Road 446 Comment
  UCR178139  Opuntia basilaris Tracy Tennant 1998-4-30 MOR- 069 Riverside San Bernardino Mtns., Morongo Indian Reservation, hills west of the mouth of Potrero Canyon, 0.2 mi. NE of hill 3030 854 Comment
  SEINET10907380  Opuntia basilaris A. Evans 1976-4-13 Evans 5171 Riverside Rocky slopes of santa rosa mtns. Comment
  JOTR29440  Opuntia basilaris var. basilaris La Doux, Tasha, M. Bell, B. Truesdell 2006-3-22 1374 Riverside Joshua Tree National Park. East Wide canyon 499 Comment
  UCR94072  Opuntia erinacea Scott D. White, D. Haselfeld 1996-7-2 4274 A 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
  RSA709109  Opuntia parryi Michael Wall 2005-8-21 403 Riverside San Jacinto River, Valle Vista east of Hemet on alluvial benches north of Highway 74 at Schultz Avenue. 549 Comment
  NY9649  Orcuttia californica C. W. Thorne 1975-8-29 47318 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA206499  Orcuttia californica E. W. Lathrop 1969-9-8 7123 Riverside 6 miles west of Murrieta; Mesa de Colorado of the Santa Rosa Plateau Comment
  SD132129  Orcuttia californica David B. Zippin 1991-5-30 155 Riverside Margins of large vernal pool (lake) at Skunk Hollow Comment
  SD90415  Orcuttia californica R. F. Thorne, E. Lathrop 1969-5-19 37971 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado, small vernal marsh NW of large vernal marsh 625 Comment
  CLARK-A1528-1347  Orobanche cooperi John C. Roos 1948-5-15 3848 Riverside Eagle Mountains Comment
  CLARK-A1528-3390  Orobanche cooperi John C. Roos 1949-3-26 4125 Riverside Mecca Comment
  SBBG68734  Orobanche cooperi E. C. Jaeger 1926-2-1 Riverside Salt Crk Wash, near Dos Palmos Comment
  RSA0084356  Orobanche cooperi subsp. cooperi Edmund C. Jaeger 1922-3-4 1108 Riverside Painted Canyon, near Mecca. Comment
  UC455564  Orobanche fasciculata I. J. Condit 1910-6-22 Riverside San Jacinto Mountains. Comment
  CAS-BOT-BC500135  Orobanche fasciculata Philip A. Munz 1940-3-22 15661 Riverside Whitewater Canyon, 2 mi N of Banning-Indio Hwy Comment
  UCR62859  Orobanche parishii Scott D. White 1990-6-14 s.n. Riverside Peninsular Range, Rainbow area: c. 1 mi (airline) SE of Temecula Canyon and 1 mi (airline) NW of Rainbow Valley. S boundary of property on the San Diego County line 427 Comment
  RSA543782  Orthocarpus purpurascens Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6039 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
  RSA387361  Orthocarpus purpurascens Steve D. Boyd 1986-4-19 1710 Riverside Temescal Canyon Temescal Canyon: flats at SE end of Alberhill Mtn. 396 Comment
  CAS-BOT-BC355750  Osmadenia tenella Steve Boyd 1986-5-7 1847 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15 Comment
  UCR118456  Osteospermum fruticosum Mitch Provance 1999-5-4 1696 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR158337  Oxalis pes-caprae A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30074 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
  CSUSB852  Oxalis rubra William A. Hunt 1972-5-25 720525 1 Riverside City of Riverside; UCR campus, Picnic Hill 365 Comment
  UCR165195  Oxytheca caryophylloides Margaret Bornyasz 2003-8-7 s.n. Riverside Peninsular Ranges, San Jacinto Mtns., Highway 243, turnoff to Black Mtn. Road, c. 2 mi SE of Lake Fulmor 1643 Comment
  POM307255  Oxytheca emarginata Henry J. Ramsey 1937-5-22 2131 Riverside Santa Rosa Mountains Comment
  POM48933  Oxytheca trilobata P. A. Munz, I. M. Johnston 1924-7-29 8857 Riverside On roadside near Poppet Flat. 1220 Comment
  SD217338  Paeonia californica Steve Boyd, Tim Toss and Orlando Mistretta 1992-2-2 6660 Riverside San Mateo Canyon Wilderness of the Cleveland National Forest. Lower half of Tenaja Canyon, especially about Fishermans Camp. Comment
  SEINET10799065  Palafoxia arida David B. Dunn, Howard Brown 1947-2-9 Dunn 2854 Riverside Pushawalla Canyon, Indio Hills. In dry wash. Comment
  JOTR28879  Palafoxia arida var. arida La Doux, Tasha 2004-2-24 1114 Riverside Joshua Tree National Park. Cottonwood Canyon 932 Comment
  POM182079  Palafoxia arida var. arida P. A. Munz 1932-3-14 11975 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  POM6185  Palafoxia arida var. arida I. M. Johnston 1917-4-4 s.n. Riverside Mouth of Andreas Canyon. 244 Comment
  RSA28074  Palafoxia arida var. arida I. L. Wiggins 1941-3-24 9564 Riverside 0.3 miles south of Myoma, 4.6 miles north of Indio. Comment
  RSA605237  Palafoxia arida var. arida A. C. Sanders, George K. Helmkamp, P. J. MacKay 1995-3-12 16041 Riverside Coachella Valley: Indo, just SW of the Whitewater River Channel at Auto Center Dr (Hwy 111) -8 Comment
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Jan 14 2010
  RSA0045506  Palafoxia linearis William Blanchard 1932-4-16 s.n. Riverside Palm Springs Station. TR6. Comment
  UCR242287  Panicum hirticaule subsp. hirticaule A. C. Sanders, T. B. Salvato 2012-10-12 40422 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  CLARK-A1656-857  Panicum urvilleanum Jon Mark Stewart 1983-9-26 83-35 Riverside Coachella Valley 85 Comment
  POM366031  Panicum urvilleanum George R. Johnstone 1929-11-29 s.n. Riverside 20 miles from Palm Springs; 244 Comment
  SEINET270107  Papaver californicum Steve Boyd, Carol Boyd; Kyle Boyd 6736 Riverside San Mateo Canyon Wilderness Area ; Santa Ana Mountains Tenaja Canyon along trail from wilderness boundary downstream towards Fisherman's Camp 366 Comment
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Mar 1 2014
  CAS-BOT-BC413370  Parietaria floridana Steve Boyd 1986-4-2 1596 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  UCR5825  Parietaria hespera var. californica O. F. Clarke 1952-4-17 s.n. Riverside Citrus Experiment Station [UC Riverside campus] 396 Comment
  SBBG1355  Parietaria hespera var. hespera H. and M. Dearing 1942-1-25 4787 Riverside San Jacinto Mtns 1219 Comment
  CSUSB1108  Parkinsonia aculeata I. S. Singh 1972-4-21 Riverside Route 2, Thermal roadside, near Willits and Newcomb Citrus Nursery. Comment
  SEINET3107451  Parkinsonia aculeata Faulkner 1978-4-27 478 Riverside 3 miles east of Blythe. 137 Comment
  GMDRC5514  Parkinsonia florida J. Andre 2012-3-19 21342 Riverside Chuckwalla Valley: along unnamed dirt road 0.3 mi. N. of Hwy 177, 5.7 mi. NE of Jct with I-10 freeway 157 Comment
  HSC66541  Parkinsonia florida Christopher Davidson 1979-4-4 7689 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi. E of Mecca. 213 Comment
  RSA0098482  Parkinsonia florida Marc A. Baker 2015-4-15 18328 Riverside San Gorgonio Pass, 8 km east of Banning, 30 km WNW of Palm Springs, 4 km WNW of Cabazon. 646 Comment
  UCR275513  Parkinsonia florida D. E. Bramlet 2010-3-1 4454 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  RSA704040  Parosela spinosa Anonymous s.n. Riverside Colorado Desert. Comment
  UCR96202  Passiflora caerulea A. C. Sanders 1996-3-14 17973 Riverside Riverside, east side of UCR campus in the canyon below the Botanic Garden 335 Comment
  RSA339231  Pectis papposa R. F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-23 53597 Riverside Pinto Basin Road: Along road at meeting area of Mojave and Colorado Deserts 1098 Comment
  UCR272674  Pectis papposa Sarah J. De Groot, Duncan S. Bell 2015-9-21 7585 Riverside Peninsular Range; Santa Rosa Mountains, SSW of Palm Desert, along Carrizo Road just north of Hwy 74 1053 Comment
  SEINET10799090  Pectis papposa Frederick M. Reed 1934-9-26 Reed 8957 Riverside Pines to Palus Road - Santa Rosa Mts. below Pinon Flats. 366 Comment
  RSA778408  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-5 060 Riverside Ship Creek. Corn Springs Rd Exit from I10. Take Chuckwalla Valley Rd to Dupont Rd. Follow approximately 5 miles. Chuckwalla Mountains Wilderness Area. 341 Comment
  UC178198  Pectocarya anisocarpa C. F. Baker 1904-5-4 4139 Riverside Hemet Comment
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Mar 24 2011
  RSA683869  Pectocarya linearis Scott D. White, Michael Honer 2003-4-4 8957 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  RSA702734  Pectocarya linearis Scott D. White, Michael Honer 2004-4-6 10053 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  UCR111561  Pectocarya linearis Mitch Provance 1998-5-4 1710 Riverside Jurupa Mountains, SW 'Rattlesnake Mt.', above the Ormand Quarry, c. 1.5 km west of peak 1739 366 Comment
  UCR126438  Pectocarya linearis T. B. Salvato, A. C. Sanders, Mitch Provance et al. 2000-4-30 65 Riverside Riverside, Box Springs Mtns. along road to radio towers from reserve parking lot 854 Comment
  UCR156473  Pectocarya linearis T. B. Salvato, A. C. Sanders 2005-5-17 888 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
  UCR86877  Pectocarya linearis A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16243 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
  POM12230  Pectocarya penicillata Mary F. Spencer 1921-4-16 s.n. Riverside Banning 701 Comment
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Mar 13 2011
  RSA585782  Pectocarya penicillata D. L. Banks, S. D. Boyd 1995-5-9 414 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 737 Comment
  RSA586034  Pectocarya penicillata D. L. Banks, S. D. Boyd 1995-3-16 86 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 789 Comment
  RSA740833  Pectocarya penicillata Scott D. White, Justin M. Wood 2008-7-8 12393 Riverside Johnson Meadow. 1439 Comment
  UCR85078  Pectocarya penicillata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16039 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  RSA695831A  Pectocarya platycarpa J. R. Bruff 1928-4-2 97 -A Riverside Canyon wash west of Morango 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
  RSA777328  Pectocarya recurvata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 825 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 495 Comment
  JEPS10757  Pedicularis semibarbata Carl V. Meyer 1929-6-14 760 Riverside Dark Canyon; San Jacinto Mountains 1828 Comment
  RSA686751  Pellaea andromedifolia Norman C. Cooper 1944-5-21 1303 Riverside San Jacinto Mountains, West side 915 Comment
  UCR503  Pellaea andromedifolia Dave Baasch 1972-2-17 720217- 2 Riverside San Jacinto Mountains, San Jacinto Creek 10 mi east of Hemet on State Hwy 74. 747 Comment
  SBBG283  Pellaea mucronata H. and M. Dearing 1936-12-26 2920 Riverside head of Palm Cyn; Palms to Pines Hwy 1219 Comment
  UCR154446  Pellaea mucronata A. C. Sanders, Mike Misenhelter 2005-6-15 30986 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
  UCR139052  Pellaea mucronata subsp. mucronata D. L. Banks 1997-2-23 1319 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
  IRVC3153  Pellaea mucronata var. californica R. H. Whittaker, W. A. Niering 1963-5-31 SJ 117 Riverside Elks Road. Peninsular Ranges, Santa Rosa Mountains 1265 Comment
  GMDRC2052  Pellaea mucronata var. mucronata J. Andre 2006-4-26 6773 Riverside Little San Bernardino Mountains: Joshua Tree National Park: ridgetop, W. of upper Long Canyon, approx. 0.5 mi. S. radio tower and of NE corner (boundary) of park Near 34.06663 deg. N 116.44661 deg. W. Elev. 4347 ft. 1325 Comment
  RSA49194  Pellaea mucronata var. mucronata P. A. Munz 1949-4-13 13048 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  UCD89445  Pennisetum clandestinum Marvin Miller 1956-5-1 s.n. Riverside Riverside County. Comment
  HSC87076  Pennisetum setaceum Dave Hawks 1986-4-17 Riverside Whitewater River Channel, 1 mi. S of Hwy. I-10 and 2 mi. W of Indian Ave. 259 Comment
  RSA747967  Penstemon californicus Justin M. Wood 2009-5-11 687 Riverside [San Jacinto Mountains:] Garner Valley, Quinn Flat area. 1372 Comment
  NY583822  Penstemon centranthifolius R. M. Straw 1953-6-23 472 Riverside North of Fulmor Lake, Idyllwild to Banning Road, San Jacinto Mountains Comment
  RSA412461  Penstemon centranthifolius E. C. Jaeger 1921-6-1 s.n. Riverside Gregg's Ranch, San Jacinto Mtns. 1372 Comment
  UCR110963  Penstemon centranthifolius George K. Helmkamp 1998-6-27 4091 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  LA209524  Penstemon clevelandii Carl Epling; William Stewart 1936-5-9 sn Riverside Santa Rosa Mountains, near Ribbonwood Comment
  UCR35236  Penstemon grinnellii L. B. Ziegler 1968-6-17 326 Riverside San Jacinto Mtns, Strawberry Valley. Near the base of Lily Rock 1951 Comment
  JEPS8086  Penstemon grinnellii var. grinnellii Carl V. Meyer 1928-7-31 607 Riverside Summit of Tahquitz Peak San Jacinto Mountains, Summit of Tahquitz Peak Comment
  SD119896  Penstemon heterophyllus var. heterophyllus Louis B. Ziegler 1968-6-3 304 Riverside San Jacinto Mountains - Bautista Canyon, in wash of dry creek 762 Comment
  RSA0124006  Penstemon labrosus Duncan S. Bell, Thomas Stoughton 2016-4-13 9245 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  UCSB26814  Penstemon labrosus Wilken, Dieter 1969-6-30 Riverside Santa Rosa Springs; Santa Rosa Mtns 2377 Comment
  UC886850  Penstemon rostriflorus C. Epling, Wm. Robison 1935-6-30 Riverside North Fork San Jacinto River Comment
  UCR151031  Penstemon rostriflorus Scott D. White 1998-7-31 6929 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  RSA20208  Penstemon spectabilis Carl B. Wolf 1938-6-11 9417 Riverside Palms to Pines highway, 1.5 mi. W of junction to Anza 1220 Comment
  RSA33812  Penstemon spectabilis N. C. Cooper 1944-6-4 1322 Riverside Elsinore Mountain. Lookout at top. 1067 Comment
  RSA733710  Penstemon spectabilis R. H. McArthur 1934-5-6 s.n. Riverside East end Ortega Highway. Roadside. Comment
  SEINET3208893  Penstemon spectabilis G. Goodwin 2012-6-14 3448 Riverside San Jacinto Mountains, south of Banning along highway 243 just north of Vista Grande viewpoint 1550 Comment
  UCR199572  Penstemon spectabilis Scott D. White, Angelia Carey 2004-7-2 10592 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR4114  Penstemon spectabilis Ronald M. Cope 1965-5-3 s.n. Riverside Riverside, on E side of road between Pigeon Pass Rd. and 'Big C', about 0.5 mi from 'C' 610 Comment
  RSA0070918  Pentagramma maxonii Norman C. Cooper 1944-4-8 1085 Riverside Andreas Canyon. 457 Comment
  CAS-BOT-BC71578  Pentagramma triangularis subsp. maxonii Elizabeth Parsons Hawver 1917-3-29 s.n. Riverside Palm Springs Comment
  IRVC3159  Pentagramma triangularis subsp. triangularis R. H. Whittaker, W. A. Niering 1963-5-28 SJ 32 Riverside Mountain Center, Hemet Hwy. San Jacinto Mountains 976 Comment
  UC668411  Pentagramma triangularis subsp. triangularis Annie M. Alexander and Louise Kellogg 1941-4-24 2084 Riverside Morongo Valley Gorge of Dry Morongo Creek; Morongo Valley Gorge 640 Comment
  SBBG100847  Perityle emoryi W. L. Halvorson 1977-2-5 77 -10 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UCR148329  Perityle emoryi John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 21 and 22 (near 22), south of Salt Creek 23 Comment
  UCR87854  Perityle emoryi Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  SEINET10838703  Petalonyx thurberi Jon Ricketson, Heidi H. Schmidt 1992-10-25 Ricketson 4924 Riverside Salton Sea. At the junction of California Highway 111, (Commercial Street), along Vander Veer Road (to North Shore Marina), in the town of North Shore. North end of the Salton Sea, in the Coachella Valley. 60 Comment
  UCR144106  Petalonyx thurberi Scott D. White 1999-6-1 7438 Riverside Coachella Valley, Thousand Palms area. N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion 183 Comment
  LA49853  Petalonyx thurberi subsp. thurberi A. M. Johnson; 1933-4-28 4246 Riverside along highway about 12 mi. below Palm Springs Comment
  RSA0013136  Petunia parviflora LeRoy Gross, Caitlin Elam 2013-5-14 6066 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR148787  Petunia parviflora Les Ede 1974-1 s.n. Riverside Sonoran (Colorado) Desert, Blythe, Colorado River Valley 84 Comment
  UCR214877  Petunia parviflora A. C. Sanders 2010-3-23 37554 Riverside Sonoran (Colorado) Desert, Blythe, grounds of Capital Suites Hotel, 545 East Hobson Way 83 Comment
  CHSC84683  Peucephyllum schottii John Dittes 2002-1-4 2 46 A Riverside Mojave Desert; Little San Bernardino Mountains, ca. 6.5 air-miles north of Indio. In wash on bajada of West Berdoo Canyon, northwest of Berdoo Canyon 4WD trail. 243 Comment
  HSC101084  Peucephyllum schottii Jim Andre 2012-3-19 21392 Riverside Palen Mountains; along Palen Pass Rd. at Pallen Pass. 383 Comment
  RSA471972  Peucephyllum schottii Christopher Davidson 1979-4-4 7729 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  NY1058212  Phacelia ambigua N. H. Holmgren 1973-3-21 6429 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe 290 Comment
  POM98706  Phacelia ambigua P. A. Munz 1926-1-31 9958 Riverside Dos Palmos [Palmas] Spring. Comment
  RSA124330  Phacelia ambigua Percy C. Everett, E. K. Balls 1958-4-29 23011 Riverside Hwy 60/70, Indio to Blythe, 6.5 miles E from Jct with Hwy 9. 244 Comment
  RSA554651  Phacelia ambigua A. C. Sanders, E. J. Lawlor 1992-4-4 12091 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA426000  Phacelia ambigua Albert J. Perkins 1895-05 s.n. Riverside Near Riverside Comment
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Nov 26 2011
  UCR133439  Phacelia brachyloba Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 445 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  SD124855  Phacelia campanularia Scott Cantrell 1986-3-28 88 Riverside Desert Hot Springs, near Highway 62 and Indian Ave. 518 Comment
  SEINET3158091  Phacelia circinata F. M. Reed 1908-7-11 2505 Riverside San Jacinto Mts., trail to summit above Round Valley. 2957 Comment
  HSC66731  Phacelia crenulata D. L. Goforth, Diane L. Reed 1980-3-25 357 Riverside Hwy. 195, 6 miles E of Mecca. Box Canyon, Mecca Hills 122 Comment
  SBBG35132  Phacelia crenulata T. L. Secrest 1948-4-7 Riverside near Desert Hot Springs 213 Comment
  SFV5027  Phacelia crenulata F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert Wide bench on right side of Rt. 74 to Hemet, about 7 miles south of Palm Desert. 335 Comment
  UCR119339  Phacelia crenulata B. G. Pitzer 2000-5-7 4131 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
  UCR124004  Phacelia crenulata var. ambigua George K. Helmkamp, E. A. Helmkamp 2001-4-14 6465 Riverside Coachella Valley, Indio Hills, 1.4 mi north of Ramon Rd on Avita Rd (Avita is 2.8 mi east of I-10) 46 Comment
  SFV17332  Phacelia crenulata var. crenulata J. N. Hogue, J. D. Dilley 1998-4-23 108 .15 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  RSA335347  Phacelia distans D. A. Hoover 1985-4-21 383 Riverside Canyon east of the upper Desert wash trail, Southeast of Morongo Valley 793 Comment
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Dec 3 2014
  RSA784769  Phacelia distans Duncan S. Bell 2012-3-18 3173 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  UCR4169  Phacelia distans H. C. Sharma 1976-4-20 760420- 02 Riverside UCR campus, c. 200 yards S-W of metallic tanks above Parking Lot No. 8 427 Comment
  SEINET3158182  Phacelia ivesiana E. E. Schellenger 1905-3-12 sn Riverside Paloverde Valley Comment
  HSC101580  Phacelia minor Steve Boyd, Susan Jett 2008-3-20 11826 Riverside Peninsular Ranges; Santa Ana Mountains region: eastern flank of the range along El Cariso Trunk Trail, ca. 0.5 mi. north of Highway 74 732 Comment
  RSA507480  Phacelia minor Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, along Hwy 243, 1-2 mi. below Mt. Edna turnoff. Comment
  UCR112409  Phacelia minor A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23456 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR89876  Phacelia minor Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3331 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  SBBG64962  Phacelia mutabilis R. Hoffmann 1929-9-6 Riverside above Tahquitz Valley 2438 Comment
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Sep 2 2009
  CAS-BOT-BC145000  Phacelia ramosissima var. latifolia Peter H. Raven; R. Snow 1957-7-26 11090 Riverside Banning-Idyllwild road 0.9 mi. n. of Vista Grande Ranger Station, San Jacinto Mts. Comment
  POM158430  Phacelia ramosissima var. latifolia P. A. Munz 1927-5-21 10849 Riverside San Carlos Pass, near Anza. Comment
  UC729536  Phacelia ramosissima var. latifolia Carl B. Wolf 1932-5-24 3642 Riverside 1/2 mi below Fish Hatchey; No. base of San Jacinto Mts., Snow Creek Canyon 548 Comment
  UC107413  Phacelia ramosissima var. montereyensis C. C. Parry 1880-1 180 Riverside Temecula Comment
  RSA428273B  Phacelia rotundifolia E. C. Jaeger 1922-3-25 752 Riverside Murray Canon, near Palm Springs. 305 Comment
  UCR2656  Phalaris caroliniana F. M. Reed 1938-5-14 10120 Riverside Perris-Aguanga Basin Region, alkaline flat SE of Perris 427 Comment
  JOTR32532A  Phoenix dactylifera La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2540 Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  POM13316  Pholistoma membranaceum E. C. Jaeger 1920-3-15 1080 Riverside Palm Canyon, Palm Springs. Comment
  RSA459295  Pholistoma membranaceum Martha Hilend 1928-3-11 87 Riverside Morongo Valley, Colorado Desert. Comment
  UC2015544  Pholistoma membranaceum A. C. Sanders with P. MacKay, G. MacKay, A. Knapp and C. Sanders 1995-2-19 15935 Riverside San Bernardino Mountains/Coachella VAlley, Mission Canyon, 1.75 mies above highway 62. Comment
  LA209905  Phoradendron bolleanum D. Dunn; 1941-1-12 671 Riverside Santa Rosa Mountains, Palms to Pine hwy, 15 mi from Palm Springs Comment
  POM311756  Phoradendron californicum Karen Hosterman 1958-3-28 1240 Riverside Canyon to W. of road leading to and app./ 0.5 mi. before turnoff to cottonwood springs. Comment
  RSA0015683  Phoradendron californicum Duncan S. Bell, John Anderson, Kim Clark, Ed Howland 2013-9-29 6041 Riverside Chuckwalla Mountains; on the south side of Corn Springs Wash, approximately 3 air miles west of Corn Springs, and about 0.5 air miles south of Aztec Well. 659 Comment
  RSA651773  Phoradendron californicum Darrell Garrett 1949-6-2 s.n. Riverside 6 miles west of Palm Springs. 114 Comment
  UCD84929  Phoradendron californicum Chuck Hughes 2010-3-22 201 Riverside Edge of Rice-Midland Road. 268 Comment
  UCR16369  Phoradendron californicum R. G. Sullivan 1972-4-20 720420- 3 Riverside San Bernardino Mtns., Whitewater Canyon, 4 mi. north of Interstate 10 640 Comment
  UCR196346  Phoradendron californicum Naomi Fraga, Lisa Rojas 2005-2-10 1413 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  SEINET8727958 Image available Phoradendron californicum Lewis S. Rose 1938-1 38315 Riverside Palm Springs. 137 Comment
  RSA612203  Phoradendron densum N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Cottonwood Springs. Comment
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Sep 11 2011
  RSA192097  Phoradendron villosum E. W. Lathrop 1965-5-30 5775 Riverside 6 miles W of Murrieta. Comment
  UCR95939  Phoradendron villosum Scott D. White 1996-8-1 4435 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UCR94624  Physalis Rudy Ruibal 1996-8-9 s.n. Riverside Riverside: Residence of R. Ruibal Comment
  HSC27764  Physalis crassifolia R. W. Spjut 1973-5-3 3343 Riverside Colorado Desert; N face of Chuckawalla Mts. 3-4 mi. S of Desert Center 305 Comment
  RSA543165  Physalis crassifolia Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6095 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  RSA699074  Physalis crassifolia J. Russell Bruff 1929-11-27 428 Riverside Split Rock Comment
  UC2015532  Physalis crassifolia A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 15989 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
  UC494680  Physalis crassifolia Philip A. Munz 1932-3-15 12004 Riverside Magnesia Spring Canyon; Coachella Valley 91 Comment
  UC665891  Physalis crassifolia Ira L. Wiggins 1941-3-27 9673 Riverside 8 mi ne Desert Center (s end of Coxcomb Mountains); Coxcomb Mountains Comment
  UC724160  Physalis crassifolia Aven and Ruth Nelson 1939-3-29 3327 Riverside near Hidden Spring (a few mi from Mecca) Comment
  UCR280426  Physalis crassifolia Onkar Singh 2015-11-9 5611 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, c. 5 km SW of Desert Center 459 Comment
  UCR4493  Physalis crassifolia Frank C. Vasek 1960-3-24 600324- 17 Riverside Western Colorado Desert, Deep Canyon, Palm Desert [Palm Springs Museum's Deep Canyon Sanctuary] Comment
  CAS-BOT-BC78894  Pinus monophylla Annie M. Alexander; Louise Kellogg 1941-5-21 2216 Riverside North slope of Eagle Mountains 1219 Comment
  SD80146  Pinus monophylla Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 379 Riverside Santa Rosa Mountains, north slope, Deep Canyon, about 2 miles south of Highway #74 1310 Comment
  UCSB6958  Pinus ponderosa Koran, Jr., John 1958-5-16 Riverside 5.2 miles W of Idyllwild on the Idyllwild to Banning Hwy 1584 Comment
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Mar 27 2014
  UCSB17229  Pinus quadrifolia D. Breedlove 1961-8-5 958 Riverside ALONG CA HWY 74 AT JCT WITH ROAD TO ANZA 1371 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
  HSC3760  Plagiobothrys canescens R. A. Eagle 1964-3-28 11 Riverside 5 mi. out of Riverside on the Van Buren St. Comment
  UCR172726  Plagiobothrys canescens A. C. Sanders, John F. Green 2006-5-18 32369 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  UC76139  Plagiobothrys collinus Miss M. A. King 1893-1 Riverside Menifee Comment
  RSA593879  Plagiobothrys collinus var. fulvescens Steve Boyd, Dave Bramlet 1996-4-19 8621 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  SD247372  Plagiobothrys collinus var. fulvescens A. C. Sanders, Sandra L. Leatherman and Jeff Crain 2015-4-6 41568 Riverside Peninsular Range: Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15. 370 Comment
  UCR117307  Plagiobothrys fulvus A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 739 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  VVC2448  Plagiobothrys jonesii Tim Thomas 2013-3-18 5940 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  UCR234432  Plagiobothrys leptocladus Jeremiah George 2012-3-4 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  RSA562107  Plagiobothrys nothofulvus Steve Boyd 1992-4-14 6799 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  UCR266778  Plagiobothrys tenellus Mitch Provance, Matt Amalong 2015-3-25 315- 24 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
  UCR77718  Plagiobothrys tenellus Steve Boyd 1991-5-7 6176 Riverside Peninsular Ranges, Santa Ana Mountains, SE and E side of Elsinore Peak 1067 Comment
  RSA192037  Plantago erecta E. W. Lathrop 1959-3-26 4377 Riverside 18 miles W of Elsinore, Tenaja Guard Station, Cleveland National Forest Comment
  UC1929718  Plantago erecta Scott D. White 2003-3-21 8814 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  UCR120952  Plantago erecta A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23892 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR101589  Plantago insularis Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  CLARK-A1528-696  Plantago lanceolata Pat Halligan 1968-5-6 Riverside Riverside Comment
  SD187451  Plantago lanceolata Scott D. White, Angelia Carey 2004-5-7 10340 Riverside San Jacinto Mountain foothills; Indian Creek and adjacent foothills. 459 Comment
  RSA778627  Plantago ovata Duncan S. Bell 2009-3-8 68 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  SEINET12616463  Plantago ovata Jim Andre, T. La Doux 2010-2-28 12553 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
  UCR42481  Plantago ovata P. J. Leary 1975-2-15 917 Riverside Mojave/Colorado Desert, Joshua Tree National Monument [now Park], 2 mi. NW of Mission Well 488 Comment
  POM46952  Plantago ovata var. fastigiata Mary F. Spencer 1918-4-13 801 Riverside Palm Springs. 137 Comment
  UCSB32743  Plantago ovata var. fastigiata Cowan, Clark 1974-4-6 Riverside 1 mi. from Palm Desert Golf Course; .5 mi. on dirt road from maintenance shed; near dump area 91 Comment
  JOTR16769  Plantago patagonica Moore, Sue 1968-5-5 s.n. Riverside Joshua Tree National Park. QUEEN VALLEY 1341 Comment
  RSA741371  Plantago patagonica Scott D. White, Justin M. Wood 2008-5-15 11981 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  IRVC2718  Platanthera leucostachys R. H. Whittaker, W. A. Niering 1963-6-6 SJ 225 Riverside San Jacinto Ridge Road (5509) N Fork San Jacinto River. Peninsular Ranges, San Jacinto Mountains 1311 Comment
  UC527405  Platanus racemosa Carl B. Wolf 1932-5-24 3647 Riverside 1/2 mi below fish hatchery (n base of mt.); San Jacinto Mt., Snow Creek Canyon 548 Comment
  UCR120911  Platanus racemosa A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24951 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  RSA445698  Platystemon californicus Jeannette B. Edge 1934-3-18 18853 Riverside [San] Timoteo Canyon. 518 Comment
  SD137694  Platystemon californicus Darin L. Banks, Peter Morrell 1995-5-4 311 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slospe of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, north of the Wildhorse Trail. 730 Comment
  UCR89829  Pleurocoronis pluriseta George K. Helmkamp 1994-3-10 42 20 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  CAS-BOT-BC326537  Pluchea sericea C. F. Baker 1903-4-4 4148 Riverside Elsinore Comment
  CAS-BOT-BC326547  Pluchea sericea Herman Knoche 1919-6-1 592 Riverside Palm Springs Comment
  UCR135982  Pluchea sericea A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27904 Riverside Peninsular Range, Alberhill Mountain, around dried pool in bottom of a large clay pit 445 Comment
  UC39503  Poa pratensis subsp. pratensis H. M. Hall 1901-7 2482 Riverside Tamarack Valley; San Jacinto Mts 2804 Comment
  IRVC26840  Poa pratensis subsp. pratensis S. D. White 1997-5-18 5163 Riverside Vista Grande Area: just W of USFS Vista Grande Fire Station (Hwy 243 ca. 10 road miles SE of Banning). San Jacinto Mtns. 1494 Comment
  CLARK-A1528-4835  Poa scabrella John C. Roos 1950-3-25 4177 Riverside Reche Canyon 457 Comment
  RSA341988  Poa secunda R. F. Thorne 1980-4-16 54063 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA0031209  Poa secunda Jim Andre 2006-4-6 7749 Riverside Joshua Tree National Park: approx 50 m N. of Keys View Parking area. 1553 Comment
  UC39551  Poa secunda subsp. secunda H. M. Hall June, 1901 2064 Riverside San Jacinto Mts 1615 Comment
  UCR138891  Poa secunda subsp. secunda D. L. Banks 1997-4-5 1673 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  UCR189555  Polygala cornuta var. fishiae Diane Menuz 2007-8-2 334 Riverside Penninsilar Range- Santa Ana Mountains, Santa Margarita Ecological Reserve; along Temecula Canyon, c. 600 m from Santa Margarita River crossing 230 Comment
  CDA36447  Polygonum arenastrum Mulhesin 1999-2-17 PDR 849875 Riverside Southern California; Near Blythe. Schindler Bros. farms. 0 Comment
  RSA597078  Polygonum arenastrum D. L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1116 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; At the junction of Los Caballos Road and Hwy. 378 Comment
  UCR155815  Polygonum aviculare John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  JOTR32468  Polygonum aviculare subsp. depressum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2613 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
  UCR24909  Polygonum douglasii subsp. douglasii A. C. Sanders 1980-7-22 1719 Riverside San Jacinto Mtns, Dutchman's Flat in Bear Trap Canyon about 1 mi (airline) west of Idyllwild. Between Hwy 243 and Foster Lake 1814 Comment
  RSA522722  Polygonum lapathifolium Steve Boyd, Tim S. Ross 1989-8-28 3813 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  RSA334990  Polygonum punctatum Steve Boyd 1985-7-23 1014 Riverside De Luz Road, 8.0 miles W of Rancho California. Sandia Creek. 305 Comment
  POM13562  Populus fremontii Philip A. Munz, D. D. Keck 1922-4-14 4975 Riverside Whitewater Ranch. Comment
  SEINET8725387 Image available Populus fremontii William B. Fox 1952-1 5727 Riverside Canyon of San Jacinto River, east of Hemet. Comment
  SD233936  Populus fremontii subsp. fremontii LeRoy Gross, Bart OBrien 2013-3-18 5951 Riverside Coastal Plains & Basins; San Bernardino Basin region: Fairmount Park, west side of Lake Evans, Riverside, NE of Mount Rubidoux (Riverside West 7.5'Q). 238 Comment
  UCR125293  Populus nigra A. C. Sanders 2002-11-21 25634 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  CLARK-A1528-2063  Porophyllum gracile John C. Roos 1946-11-30 3169 Riverside Chuckwalla Mountains Comment
  UCD135035  Porophyllum gracile William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  RSA499237  Potentilla glandulosa subsp. nevadensis E. C. Jaeger 1921-7-9 s.n. Riverside S. side Strawberry Valley. 1585 Comment
  UC70339  Potentilla gracilis Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  RSA0005686  Potentilla hassei H. E. Hasse 1892-7-3 s.n. Riverside San Jacinto Mountains. Comment
  SEINET695566  Proboscidea louisianica Howard Scott Gentry 1948-6-30 8181 Riverside Gentry Farm, ca. 3 miles northeast of Murrieta. Comment
  RSA525268  Prosopis glandulosa var. torreyana Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4581 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  UC65003  Prosopis glandulosa var. torreyana E. E. Schellenger 1904-12-5 18 Riverside Paloverde; Colorado Desert Comment
  POM257189  Prosopis pubescens Annetta Carter 1938-7-16 1430 Riverside 3 miles east of Blythe, Palo Verde Valley 76 Comment
  POM184746  Prunus fasciculata C. Leo Hitchcock 1932-4-8 12219 Riverside 1 mile west of Cottonwood Springs. Comment
  CLARK-A1528-4034  Prunus ilicifolia John C. Roos 1940-5-4 Riverside San Timoteo Canyon Comment
  RSA0124292  Prunus ilicifolia Duncan S. Bell 2016-4-16 9335 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA472308  Psathyrotes ramosissima L. C. Wheeler 1931-11-26 390 Riverside Salton Bench Mark, Colorado Desert. -15 Comment
  SEINET3388635 Image available Psathyrotes ramosissima Lewis S. Rose 1938-12-19 38326 Riverside 6 mi. s. of Cathedral City. 46 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
  UCR100628  Pseudognaphalium biolettii A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19895 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  SD9078  Pseudognaphalium californicum Daniel Cleveland 1881-5-10 Riverside Temecula Comment
  UCR169369  Pseudotsuga macrocarpa June Latting 1972-5-3 s.n. Riverside San Jacinto Mtns, 1 mile east of Keen Summit, 2.5 miles east of Mountain Center (junction of Calif. Hwy 74 and Calif. Hwy 243), a short distance east of Pasadena YMCA camp on the south side of Calif. Hwy 74 1402 Comment
  RSA713573  Psilocarphus tenellus var. globiferus R. E. Riefner 2005-4-22 05 -242 Riverside W roadside of Hwy 79 between Old Newport Road and Patton Road. 469 Comment
  CAS-BOT-BC362108  Psilostrophe cooperi Philip A. Munz 1940-3-24 15698 Riverside 2 miles north of Cottonwood Springs, Eagle Mts. 914 Comment
  SD260191  Psilostrophe cooperi A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40511 Riverside Sonoran (Colorado) Desert: Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, at large wash of SW side of road. 694 Comment
  UCR40269  Psoralea macrostachya Steve Boyd 1985-7-30 1049 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 7.8 - 10 mi. west of Rancho California Comment
  RSA788989  Psorothamnus arborescens Aaron C. Sedgwick, David Fraker 2012-3-28 15 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UCSB13077  Psorothamnus arborescens Dearing, Hugh; Dearing, Margaret 1940-6-9 Riverside 7 mi. N of Palm Springs Comment
  CAS-BOT-BC353590  Psorothamnus arborescens var. simplicifolius Carl B. Wolf 1932-5-25 3680 Riverside N base of San Jacinto Mountains, Snow Creek Canyon, 1 mile below fish hatchery 396 Comment
  HSC66747  Psorothamnus emoryi D. Goforth, D. Reed 1980-3-25 354 Riverside Hwy. 195, 6 mi. E of Mecca, Box Canyon, Mecca Hills. 122 Comment
  RSA707352  Psorothamnus emoryi Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 07 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles NWW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune. 91 Comment
  SBBG14292  Psorothamnus emoryi E. R. Blakley 1961-9-10 4707 Riverside 20 mi W of Blythe at wash crossing of US Hwy 60-70 106 Comment
  SD174890  Psorothamnus emoryi Mark A. Elvin 2005-4-25 4221 Riverside Northern Sonoran Desert: Coachella Valley; N of Palm Springs; N of I-10; S of Dillan Road; E of Indian Avenue. 244 Comment
  UC555344  Psorothamnus emoryi Herbert L. Mason 1928-3-10 4195 Riverside White Water River Comment
  UCD108314  Psorothamnus emoryi L. S. Rose 1935-12-10 s.n. Riverside Palm Springs, Colorado Desert. 138 Comment
  CAS-BOT-BC340898  Psorothamnus schottii Mrs. G. Earle Kelly 1926-4-1 s.n. Riverside Palm Springs Comment
  RSA450122  Psorothamnus schottii J. C. Roos 1966-5-2 s.n. Riverside Mouth of Pushwalla Canyon, Indio Mtns. Comment
  UCR16202  Psorothamnus schottii S. Nelson 1974-4-13 s.n. Riverside Western Colorado Desert, Deep Canyon, near gate to Deep Canyon Reserve 152 Comment
  UCR165294  Psorothamnus schottii John F. Green 2005-2-4 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 miles east of Desert Beach 24 Comment
  CAS-BOT-BC340947  Psorothamnus spinosus G. P. Rixford 1911-4-1 s.n. Riverside 10 miles S.E. of Mecca Comment
  UC154566  Psorothamnus spinosus Rensselaer J. Smith May 1904 Riverside White Water 396 Comment
  UC218099  Pterospora andromedea P. A. Munz 1922-7-6 6009 Riverside Fern Valley San Jacinto Mts. (upper part, foot of zig-zag to Tahquitz Valley) 1828 Comment
  RSA757636  Pterostegia drymarioides LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4318 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  RSA444457  Pulicaria hispanica J. C. Roos 1965-6-23 s.n. Riverside Palm Springs. Comment
  RSA782525  Punica granatum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38399 Riverside Southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 ) of intersection of I-15 and Lake St. 465 Comment
  JOTR31121  Purshia tridentata var. glandulosa La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2503 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
  OBI33525  Purshia tridentata var. glandulosa Wendy Smith 1981-4-30 12 Riverside Santa Rosa Mts. 1/4 mi in on Forest Svc road 6S03. Off hwy 74, 14.6 mi S of jctn with hwy 111 in Palm Desert T6S, R5E, SW 1/4 sec 25 1097 Comment
  UCR264642  Quercus Mitch Provance 2012-4-27 412- 21 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  RSA0028173  Quercus John F. Emmel 1988-5-21 1089 Riverside San Jacinto Mts.; Thomas Mountain Road at Spillway Canyon on north slope of Thomas Mountain, 1.9 road miles from Hwy. 74. 1433 Comment
  UCR169495  Quercus X morehus Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 12- 85 Riverside San Jacinto Mtns, San Bernardino National Forest, 10 miles north of Idyllwild on Hwy 243 near Lake Fulmor, Site L12 1637 Comment
  UCR35009  Quercus X morehus L. B. Ziegler 1966-1 219 Riverside Peninsular Ranges, San Jacinto Mtns., upper Herkey Creek area near May Valley 1555 Comment
  RSA50466  Quercus X munzii P. A. Munz 1946-10-21 11590 Riverside Live Oak Tank, Joshua Tree National Monument. 1220 Comment
  RSA476867  Quercus agrifolia var. agrifolia E. Fitzgerald 1929-05 s.n. Riverside Idylwild, San Jacinto Mts. Comment
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Mar 29 2014
  UCR158803  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31556 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  RSA0039065  Quercus berberidifolia Jeremiah George 2012-8-8 080812 -1 Riverside San Timoteo Canyon, south of El Casco So. Calif. Edison substation, west side of San Timoteo Creek, west of dirt SCE line access road 655 Comment
  RSA192169  Quercus berberidifolia E. W. Lathrop 1965-10-24 6033 Riverside 8 miles W of Murrieta Comment
  SD248433  Quercus berberidifolia Jeremiah George 2012-8-8 80812 1 Riverside Moreno Badlands: San Timoteo Canyon, south of E Casco So. Calif. Edison substation, west side of San Timoteo Creek, west of dirt SCE line access road. 655 Comment
  UCR90742  Quercus berberidifolia Scott D. White 1995-4-5 2753 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  JEPS37474  Quercus cornelius-mulleri W. L. Jepson May 17 1901-Jun 1 1901 1437 Riverside Coyote Canyon Comment
  RSA334886  Quercus palmeri A. C. Sanders, Steve D. Boyd 1980-4-17 1345 Riverside Along the Palms to Pines highway (Hwy 74), 0.2 miles west of its jct with the road to Anza (Hwy 371) 1463 Comment
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Sep 10 2011
  SD146252  Quercus palmeri A. C. Sanders, Mitch Provance 1998-5-14 21848 Riverside Jurupa Mountains, Rattlesnake Mountain, Crestmore, above watertank west of Cedar Ave., above intersection of Andalusia & Malaga Streets, NW-facing slope of hill, on ridgetop between rock outcrops & cliffs; Fontana 7.5' quad. 366 Comment
  POM183874  Quercus turbinella P. A. Munz 1932-10-16 12845 Riverside Road from Deep Canyon to Vanderventer Flat, Santa Rosa Mts. 1067 Comment
  UCD47606  Quercus wislizeni var. frutescens C. W. Tilforth; W. Wisura 1979-10-11 1920 Riverside 2 mi. west of highway 74 along Thomas Mtn. Rd., ca. 1 mi. south of Lake Hemet, Garner Valley, Riverside County, California. Comment
  SDSU18653  Rafinesquia californica C. Matt Guilliams, Jeannine Ross 2008-3-12 525 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Collections near the Dudleya multicaulis restoration site. 388 Comment
  UC1536751  Rafinesquia californica G. H. True Jr. 1935-3-18 225 Riverside Box Springs 365 Comment
  UCR116590  Rafinesquia californica A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24175 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
  RSA28078  Rafinesquia neomexicana I. L. Wiggins 1941-3-27 9688 Riverside Desert wash 9 miles west of Desert Center. Comment
  RSA80988  Rafinesquia neomexicana G. R. Campbell 1952-4-5 18374 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  UCR12601  Ranunculus aquatilis Bill Schultz 1972-5-22 720522- 31 Riverside San Jacinto Mtns., 0.3 miles east of Mobile station on Hwy 74 at Hemet Lake, south of Hwy 1326 Comment
  RSA180258  Ranunculus aquatilis var. capillaceus E. W. Lathrop 1965-5-18 5758 Riverside 8 miles W of Murrieta; hills around 300 ft high. 610 Comment
  UCR140656  Rhamnus californica subsp. tomentella Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 13- 90 Riverside San Jacinto Mtns, San Bernardino National Forest, 12 miles north of Idyllwild on Hwy 243 near Vista Grande, Site L13 1558 Comment
  UCR114807  Rhamnus crocea Mitch Provance 1998-2-17 53 Riverside Jurupa Mountains, Pyrite Canyon, 'Central Pyrite Dune', c. .3 km south of the end of Savonia Dr. in Southridge, Fontana. Actual location of the collection just on the Riverside Co. side of the Riv. / S.B. county line. 320 Comment
  UC592702  Rhamnus ilicifolia P. C. Everett 1935-6-17 Riverside 0.5 mi above Glen Ivy Resort; Santa Ana Mts., Coldwater Canyon 457 Comment
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Jan 11 2007
  UCR125993  Rhamnus ilicifolia Dave Goodward 2003-1-31 s.n. Riverside Box Springs Mountains, canyon SW of Pigeon Pass Rd, just before it begins climbing, c. 150 m south of the dump 427 Comment
  UC314558  Rhododendron occidentale Marcus E. Jones, A. M. 1926-6-20 Riverside 20 mi n of Idyllwild Comment
  CDA28746  Rhododendron occidentale var. californicum G. F. Hrusa, T. D. Wilfred 1993-6-23 9791 Riverside San Jacinto Mountains; Fuller Mill Creek, immed. upstream from crossing of Idyllwild Panoramic Hwy. 1615 Comment
  POM12426  Rhododendron occidentale var. californicum P. A. Munz 1922-9-6 6383 Riverside North fork of Tahquitz Creek; San Jacinto Mts. 2210 Comment
  CAS-BOT-BC170427  Rhus H. E. Hasse 1903-11-22 s.n. Riverside Cienega in Chio Canyon, San Jacinto Mtn. Comment
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Sep 3 2017
  UCR154729  Rhus aromatica T. B. Salvato, Kent Beaman 2005-5-16 770 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
  RSA650226  Rhus ovata Carol Zuck 1981-2-16 42 Riverside On I-74, 17.5 miles southeast of Santa Rosa Rd. overlooking Elsinore. Comment
  CLARK-A1528-4129  Ribes indecorum John C. Roos 1947-3-15 3341 Riverside San Jacinto Mountains Comment
  RSA439666  Ribes indecorum N. C. Cooper 1947-4-5 2111 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA702742  Ribes indecorum Scott D. White, Michael Honer 2004-4-6 10044 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  UCR125763  Ribes indecorum A. C. Sanders, Lowell J. Bean, Pesach Lubinsky, et al 2003-1-10 25660 Riverside San Jacinto Mountains, Bautista Canyon, at road crossing of creek c. 1 mile above Alessandro Trail 930 Comment
  RSA162816  Ribes roezlii J. D. Olmsted 1959-7-1 724 Riverside Just west of Strawberry Cienega trail above Idyllwild. 2622 Comment
  SD145977  Rorippa curvipes A. C. Sanders, Mitch Provance 1999-9-26 23112 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. south-east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  CSUSB1434  Rorippa nasturtium-aquaticum Rose Gagnon 1968-5-14 680514 1 Riverside On north bank of Santa Ana River where Salt Lake City bridge is located Comment
  UCR155079  Rorippa nasturtium-aquaticum A. C. Sanders, Kelly Volansky 2005-3-17 29229 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR21990  Rorippa nasturtium-aquaticum Steve Boyd 1980-7-12 323 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  CLARK-A1528-4044  Rubus parviflorus John C. Roos 1965-7-3 Riverside San Jacinto Mountains Comment
  POM366415  Rubus parviflorus M. B. Dunkle 1933-7-21 3731 Riverside Idyllwild. 1616 Comment
  UCR132712  Rubus ursinus A. C. Sanders, O. F. Clarke 1991-6-10 11125 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  JOTR32381  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
  UC1330000  Rumex crispus James E. Cole 1941-5-27 793 Riverside Barker Dam Joshua Tree National Monument 1310 Comment
  UCR241057  Rumex maritimus John F. Green 2013-5-17 s.n. Riverside Peninsular Range, near intersection of Temescal Canyon Rd. and Campbell Ranch Rd. 329 Comment
  JEPS39923  Rumex salicifolius var. denticulatus W. L. Jepson 1903-8-6 2275 Riverside Dark Canyon San Jacinto Mts. 1828 Comment
  UCR26533  Rumex salicifolius var. salicifolius A. C. Sanders, S. Hagopian 1981-5-20 568 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  UCR266491  Rumex violascens Mitch Provance, Matt Amalong 2015-4-6 415- 16 Riverside Temecula/Murrieta Region, About 0.5 mile SW of Winchester, along Leon Rd., near its SW corner with Domenigoni Parkway 444 Comment
  RSA5232  Sagina saginoides C. B. Wolf 1932-4-5 3958 -A Riverside 1st really wet meadow on trail from Tahquitz Valley to San Jacinto Peak. 2744 Comment
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Aug 11 2012
  UC63797  Salazaria mexicana H. M. Hall May 17 1901-Jun 1 1901 1843 Riverside e base San Jacinto Mt.; east base of San Jacinto Mt. 457 Comment
  UC883838  Salazaria mexicana Ivan Johnston 1917-4-4 1115 Riverside Palm Canyon; Colorado Desert, Palm Canyon Comment
  CAS-BOT-BC129747  Salix bonplandiana C. L. Hitchcock 1966-3-15 24153 Riverside 1 mi. e. of Glen Ivy Hot Springs Comment
  LA208610  Salix exigua Mrs. H. P. Bracelin; 1932-4-12 601 Riverside E side of bridge over Santa Ana River, 4.8 km. N of Arlington on rd to Pedley, W of Riverside 240.0 Comment
  SBBG58879  Salix exigua F. R. Fosberg 1932-3-31 8077 Riverside Thousand Palms Cyn Comment
  UC494349  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 600 Riverside 4.8 km. n Arlington (on rd. to Pedley, 4 mi w of Riverside, e side of bridge over Santa Ana R., down embankment either side of hwy.) 240 Comment
  CDA38725  Salix gooddingii Mike Lahti 2013-4-4 PDR# 331 P06141924 Riverside Murrieta; Northeast Murrieta Road and Garboni Road. 0 Comment
  HSC101317  Salix gooddingii A. C. Sanders, D. L. Sanders 2010-11-28 38697 Riverside Peninsular Range; NW Gavilan Hills: Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave 232 Comment
  SD137624  Salix gooddingii Darin L. Banks, Steve Boyd 1995-4-5 141 Riverside Cleveland National Forest, N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, W of the Dripping Springs Trail. 658 Comment
  SD44532  Salix laevigata W. A. Setchell, Victor Duran 1935-4-17 8 b Riverside Fourteen miles from Hemet on road to Aguanga Comment
  RSA770783  Salix lasiolepis Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4596 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR99586  Salix lasiolepis A. C. Sanders, S. Hawkins 1996-4-24 18091 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  POM319277  Salix lucida subsp. lasiandra Patricia Wilder 1971-11-11 5297 Riverside Along Santa Ana River, north off of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. Drainage Area: Santa Ana River. 229 Comment
  POM362681  Salix lucida subsp. lasiandra H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside Snow Creek Canyon. 549 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
  SEINET6655643  Salsola tragus R. E. Riefner Jr. 2006-11-14 06 -675 Riverside City of Riverside, Main St at Russell St.; 0 259 Comment
  RSA696725  Salsola tragus J. R. Bruff 1927-10-16 1 -W Riverside Roadside near Elsinore. Comment
  RSA606303  Saltugilia australis Jon E. Keeley 1994-4-22 25338 Riverside Shipley Reserve. 590 Comment
  RSA769517  Saltugilia australis Duncan S. Bell, Lucila Reccia 2010-5-5 966 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 791 Comment
  UCR251305  Saltugilia australis T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7430 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  RSA0094572  Saltugilia australis Leigh A. Johnson, J. Mark Porter 1997-3-7 97 -004 Riverside Whitewater Canyon, south slopes of San Bernardino Mtns, just N. of I-10. Infrequent plants locally at base of east facing mtns approcimately where slope steepens and ravines begin., Located on west side of Whitewater Canyon Road at point where drainage pipes fo under road and fence is erected (just south of first houses). 600 Comment
  RSA0094600  Saltugilia latimeri Mary F. Spencer 1920-4-11 1569 Riverside Palm Springs. Comment
  POM12875  Saltugilia splendens P. A. Munz 1922-7-6 6015 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  IRVC2069  Salvia apiana R. H. Whittaker, W. A. Niering 1963-5-28 SJ 43 Riverside Mountain Center to Hemet. San Jacinto Mountains 915 Comment
  RSA33779  Salvia columbariae N. C. Cooper 1944-6-4 1349 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  RSA396472  Salvia columbariae Walter Wisura 1987-5-21 4150 Riverside 4.6 miles from Hwy 243 along old Idyllwild rd. Comment
  RSA401485A  Salvia columbariae Anstruther Davidson 1896-07 s.n. Riverside San Jacinto Mtns. Comment
  RSA80984  Salvia columbariae G. R. Campbell 1952-4-5 18370 Riverside On road leading from Hwy 60 to 29 Palms [Hwy 62], at jct to Desert Hot Springs. 762 Comment
  SD249232  Salvia columbariae J. Mark Porter, Lauren E. Machen 1997-2-15 11422 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 miles NE of the Highway 74 exit at Lake Elsinore. 390 Comment
  UCR165412  Salvia columbariae A. C. Sanders 2005-4-21 29563 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR274293  Salvia columbariae T. B. Salvato, Gregg Miller 2005-6-7 1445 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  UCR30092  Salvia columbariae George K. Helmkamp 1983-4-5 483- 27 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  SEINET10499060  Salvia columbariae David B. Dunn 1948-3-14 Dunn 3780 Riverside Chia sage. Flat open sands near hidden springs ranch. 3 Mi s of the indio hills. Colorado hills. Comment
  SEINET13947314 Image available Salvia columbariae Lewis S. Rose 1949-1 49104 Riverside Aguanga, 1940 ft alt. Comment
  CLARK-A1045-181  Salvia dorrii George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  POM229037  Salvia eremostachya P. A. Munz 1937-5-30 15109 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  RSA446316  Salvia greatae Robert Gustafson 1981-4-7 2147 Riverside West end of Salt Creek Wash, above Dos Palmas Spring, southern flank of the Orocopia Mts. El. ca. 150'. 46 Comment
  SD113361  Salvia greatae Darley F. Howe 1968-3-17 4494 Riverside Salton Creek between Orocopia Mountains and Chocolate Mountains. 121 Comment
  POM50418  Salvia mellifera W. W. Eggleston 1924-3-8 19527 Riverside Hemet. 480 Comment
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Mar 24 2011
  RSA434131  Salvia mellifera Martha Hilend 1928-4-8 164 Riverside Lake Elsinore, about 3 miles west of lake. Comment
  CAS-BOT-BC224854  Salvia pachyphylla P. A. Munz; E. K. Balls 1952-8-21 17981 Riverside Vandeventer Flat to Santa Rosa Peak 2072 Comment
  UC104491  Salvia pachyphylla C. R. Orcutt 1896-7-30 2107 Riverside Summit of Tauquitz Peak; San Jacinto Mts. Comment
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Sep 7 2011
  CAS-BOT-BC233337  Salvia vaseyi Peter H. Raven 1958-5-6 12929 Riverside Southwest of Palm Desert 10.2 miles on State Highway 74, San Jacinto Mountains 762 Comment
  CAS-BOT-BC233347  Salvia vaseyi Philip A. Munz 1937-5-29 15146 Riverside Dead Indian Creek, north base of Santa Rosa Mts. 457 Comment
  RSA444483  Salvia vaseyi J. C. Roos 1965-6-13 s.n. Riverside Santa Rosa Mountains: Pines to Palms Highway (74), below Dos Palmas Springs. Comment
  SEINET10643229  Sambucus caerulea Greg Gust, Leith Nye 2005-3-10 Gust 533 Riverside City limits of Lake Elsinore on River Bank just off of Auto Center Dr, N of junction with Diamond Dr. 400 Comment
  RSA500140  Sambucus mexicana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3669 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  RSA180288  Samolus parviflorus E. W. Lathrop 1964-9-13 5409 Riverside 8 miles west of Murrieta Comment
  RSA263674  Sanicula crassicaulis E. W. Lathrop 1968-5-22 6922 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  RSA583613  Sanicula crassicaulis Steve Boyd, Darin Banks 1995-3-30 8410 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  SEINET273045 Image available Sanicula tuberosa A. C. Sanders 1997-4-3 20150 Riverside Lake Skinner area; near N foot of Black Mtn, slopes S of Crown Valley. UTM 10km cell: MH-9E 2N. Domenigoni Valley 655 Comment
  UCR219984  Sarcostemma cynanchoides A. C. Sanders, D. L. Sanders 2010-11-28 38701 Riverside Peninsular Range; NW Gavilan Hills, Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave. 279 Comment
  CLARK-A1528-128  Sarcostemma cynanchoides subsp. hartwegii Bruce Freeman 1968-5-11 680511-3 Riverside Santa Ana Mountains 182 Comment
  UC708738  Sarcostemma cynanchoides subsp. hartwegii H. K. Wagnon 1944-5-25 391 Riverside near falls n. side Tahquitz Canyon; Palm Springs Comment
  JEPS27445  Sarcostemma hirtellum W. L. Jepson 1928-4-25 12627 Riverside s. Mohave Desert, Pinto Basin 1676 Comment
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Dec 26 2016
  CAS-BOT-BC243460  Schismus barbatus H. S. Yates 1937-3-23 6415 Riverside Near White Water 304 Comment
  UCD80951  Schismus barbatus Chuck Hughes 2009-3-23 64 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  UCR174328  Schismus barbatus A. C. Sanders 2006-5-19 32417 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
  UCR92307  Schoenoplectus acutus var. occidentalis Scott D. White, S. Ogg 1994-10-17 2470 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  CAS-BOT-BC111021  Scirpus microcarpus M. F. Spencer 1919-6-28 1234 Riverside San Jacinto Mt., Idyllwild. 1645 Comment
  UCR264634  Scirpus microcarpus Mitch Provance 2012-6-19 196- 01 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  RSA650275  Scrophularia californica W. A. Reinke 1971-5-8 s.n. Riverside 7mi. N. of 2nd St. on [Highway] 71-74, Elsinore. Comment
  UCR281534  Scrophularia californica subsp. floribunda Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 85 Riverside Temescal Valley, 0.4 miles SE of Horsethief Canyon Rd. and the 15 Fwy. 391 Comment
  UCR193357  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35626 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek 1585 Comment
  UCR195119  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas 2008-8-1 35969 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, at stream crossing of trail SSE of Keenwild Fire Station 1402 Comment
  UCR35330  Scutellaria bolanderi subsp. austromontana L. B. Ziegler 1964-7-26 28 Riverside San Jacinto Mtns., Upper May Valley 1616 Comment
  RSA0104949  Scutellaria siphocampyloides Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8568 Riverside Santa Rosa Mountains; along Forest Service Road 7S02, approx. 0.7 air mile west of the summit of Santa Rosa Mountain. 2233 Comment
  SD28110  Scutellaria siphocampyloides Carl B. Wolf 1932-8-4 Riverside San Jacinto Mts. Point view, near Idyllwild 1646 Comment
  UCR193456  Scutellaria siphocampyloides A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35644 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  UCR162545  Secale cereale John F. Green 2005-4-29 s.n. Riverside Upper Santa Ana River Basin, eastern end of the Jurupa Mountains, Rubidoux area, immediately south of the county line, east of Armstrong Road 335 Comment
  RSA697611  Securinega fasciculata var. hallii J. R. Bruff 1928-5-2 168 Riverside Cottonwood Springs. Comment
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Oct 9 2010
  RSA40603  Sedum niveum J. C. Roos 1948-8-27 2919 Riverside Santa Roas Mountains, north slope 122 Comment
  SEINET7073445  Selaginella bigelovii A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UCR89861  Selaginella bigelovii Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3322 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
  PASA1360  Senecio douglasii M. Stason 1931-5-24 Riverside sandy roadside near base of grade to idyllwild Comment
  UCR92105  Senecio flaccidus var. douglasii D. L. Banks, S. D. Boyd 1995-5-17 448 Riverside Agua Tibia Mountains, NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn, east of the Dripping Springs Alcove area, west of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  RSA0124176  Senecio flaccidus var. douglasii P. A. Munz 1927-5-21 10889 Riverside Coahuila Creek. 671 Comment
  OBI38334  Senecio mohavensis A. C. Sanders, D. Charlton, & B. Pitzer, B. Pitzer 1986-3-3 6137 Riverside N foot of the Chuckwalla Mts, 2-3/4 mi airline SE of Desert Center 366 Comment
  POM126253  Senecio mohavensis Thos. Craig 1927-4-2 8 Riverside Canyon near Hidden Springs. Comment
  UCR167271  Senecio mohavensis 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
  JEPS64755  Senna covesii Marjorie D. Clary 1932-3-24 812 Riverside Santa Rosa Mountains Comment
  JEPS42887  Sesuvium verrucosum W. L. Jepson 1912-11-1 5271 Riverside near Blythe (along the Colorado River, Needles to Yuma, Blythe Landing, Palo Verde Valley); Colorado River, Palo Verde Valley, Blythe Landing 82 Comment
  UCR125469  Sesuvium verrucosum A. C. Sanders, P. J. MacKay, D. L. Sanders 2003-2-9 25687 Riverside Sonoran (Colorado) Desert, Coachella Valley, 84th Ave. east of Johnson St., near west edge of Salton Sea -67 Comment
  UCR84473  Sesuvium verrucosum Steve Boyd, D. Banks 1994-9-29 8372 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  POM78918  Setaria parviflora I. M. Johnston 1925-7-19 s.n. Riverside Pedley. Comment
  UCR2737  Setaria parviflora F. M. Reed 1908-7-29 2553 Riverside South Coast; San Bernardino Valley, Riverside: upper side of Gage Canal near 8th Street bridge 311 Comment
  UCR90278  Setaria parviflora Scott D. White 1995-7-7 3442 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  UCR95719  Setaria viridis D. L. Banks, Lauren Raz 1996-8-29 1136 Riverside Agua Tibia Mtns., NW Palomar Mtns, NW foothills of Dorland Mtn. Los Caballos Road, c. 0.5 m south of Hwy 79, 100 m north of the Golf Course access road. 399 Comment
  UCR171724  Sidalcea malviflora 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
  UCR227596  Sidalcea malviflora Duncan S. Bell, Joy England 2010-5-20 1023 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.75 air miles southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1361 Comment
  RSA660659  Sidalcea malviflora subsp. sparsifolia A. C. Sanders, Steve D. Boyd 1980-4-17 s.n. Riverside Pine Meadow in upper Garner Valley, along Hwy 74, 0.7 mi. E of junction with Hwy 371. 1524 Comment
  RSA585515  Silene antirrhina D. L. Banks, Steve Boyd 1995-5-9 0377 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 710 Comment
  UC465661  Silene verecunda A. W. Anthony 1895-7-9 Riverside San Jacinto Mt. 2438 Comment
  RSA680839  Silene verecunda subsp. platyota Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8652 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
  RSA0103314  Simmondsia chinensis Jim M. Andre 2012-4-11 20706 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
  RSA27976  Simmondsia chinensis C. Leo Hitchcock 1940-3-31 5891 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  UC68604  Simmondsia chinensis H. M. Hall May, 1905 5870 Riverside Chuckawalla Bench; Colorado Desert, Chuckawalla Bench Comment
  UCR264077  Simmondsia chinensis S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1070 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, lower part of canyon, near Corona 427 Comment
  CAS-BOT-BC74898  Sinapis alba Ynez Whilton Winblad 1937-3-16 s.n. Riverside Box Canyon. Comment
  SD181635  Sisymbrium altissimum Louis C. Wheeler 1955-6-16 7162 Riverside San Jacinto Mountains, east of Mountain Center. 1402 Comment
  UCR180350  Sisymbrium altissimum Scott D. White, Angelia Carey 2004-4-5 9996 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  CDA3859  Sisymbrium irio W. H. Grady, L. Davis 1975-3-6 Riverside W. A. Elders property, 2173 Mt. Vernon, Riverside. 0 Comment
  UCR150018  Sisymbrium officinale Scott D. White, Angelia Carey 2004-5-7 10339 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  CAS-BOT-BC75425  Sisymbrium orientale Scott D. White 1996-4-14 3908 Riverside Perris Basin. East of Hemet. San Jacinto River Wash near Valle Vista. 550 Comment
  UC917877  Sisyrinchium bellum Frank W. Gould 1943-4-18 2154 Riverside 3 mi w of Beaumont (near road junction) Comment
  CSUSB791  Solanum douglasii Steve Stadler 1966-3-26 032666 35 Riverside Lake Matthews Lake Matthews area, 5 miles north of the Lake Matthews dam on La Sierra Ave, along the road. 304 Comment
  RSA0124288  Solanum douglasii Duncan S. Bell 2016-4-16 9328 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA192312  Solanum douglasii E. W. Lathrop 1965-12-9 6036 Riverside 5 miles southwest of Murrieta on the De Luz truck trail. 457 Comment
  RSA289803  Solanum douglasii Barry A. Prigge 1980-8-12 3951 Riverside San Bernardino Mountains, Whitewater Canyon: 0.7 mile WNW of trout farm. 720 Comment
  SD181321  Solanum parishii Scott D. White, Sandy Leatherman 2000-4-19 7671 Riverside Santa Rosa Plateau; Near Squaw Mountain. 640 Comment
  CAS-BOT-BC157238  Solanum umbelliferum M. L. Campbell 1921-3-18 39 Riverside Banning Comment
  SEINET3077693 Image available Solanum umbelliferum Joyce Davis 1965-2-28 3 Riverside 1000 block on Rimpau St in Corona. 204 Comment
  UCR91718  Solanum xanti A. C. Sanders, J. Goetzen 1996-5-1 18135 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  UCR145968  Solidago californica June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488