Search Results — 2000 specimen records retrieved (1886 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/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  POM12868  Abronia villosa var. aurita P. A. Munz, I. M. Johnston 1922-5-20 5525 Riverside Hemet Valley, San Jacinto Mountains; sandy washes on Garner Ranch. 1402 Comment
  RSA788563  Abronia villosa var. aurita Duncan S. Bell 2012-3-8 3141 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  SD39330  Abronia villosa var. aurita Florence Post 1931-5-1 Riverside Lake Elsinore Region. Comment
  SD60431  Abronia villosa var. aurita Reid Moran 1964-7-27 11868 Riverside Canyon of Santa Margarita River 2.5 miles southsouthwest of Temecula. 199 Comment
  SEINET1906751  Abronia villosa var. aurita D. E. Bramlet, Fred M. Roberts, Michael C. Couffer 2004-1 3548 Riverside Perris-Aguanga Basin: South Bernasconi Hills. Adjacent to existing acess road. 244 m S of the Ramona Expressway and 2.2 km W of the San Jacinto River. 487 Comment
  SEINET946025  Abronia villosa var. aurita Louis B. Ziegler 1966-1 80 Riverside San Jacinto Mountains, Hemet (Thomas/Garner) Valley. 1402 Comment
  UC1922010  Abronia villosa var. aurita Scott D. White, Angelia Carey 2004-4-5 9978 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  UCR196383  Abronia villosa var. villosa Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1420 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  UCSB38736  Acamptopappus sphaerocephalus Cowan, Clark 1978-4-23 Riverside 12.2 mi. (19.2 km.) S on Hwy. 74 from jct. with Hwy. 11 at Indian Wells 950 Comment
  SEINET9122084  Acamptopappus sphaerocephalus N. Zabriskie, W. Zabriskie 1969-1 192 Riverside Andreas Canyon near Palm Springs. 411 Comment
  UC890980  Achillea millefolium unknown 1932-8-4 3926 Riverside 1.5 mi from, on road to Banning Idyllwild; San Jacinto Mts., Strawberry Valley 1706 Comment
Read comments
Nov 2 2011
  CAS-BOT-BC260436  Achnatherum hymenoides H. M. Hall 1899-5-24 1163 Riverside San Jacinto Mountains. Van DeVenders 1371 Comment
  POM116672  Achnatherum hymenoides Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  UCD50378  Achnatherum hymenoides F. W. Peirson 1921-3-24 4322 Riverside White Water, Colorado Desert Comment
  SBBG57048  Achnatherum occidentale subsp. occidentale R. Hoffmann 1929-9-10 Riverside Tahquitz Pk 2590 Comment
  POM301785  Achnatherum speciosum J. Cole 1942-4-11 950 Riverside Split Rock Area, Joshua Tree National Monument, Riverside County. alt 4000ft 1220 Comment
  CAS-BOT-BC213473  Acmispon argophyllus var. argophyllus Roxana S. Ferris; Ruth P. Rossbach 1938-5-19 9656 Riverside Desert side of Pinon Belt divide, State Highway #__ Comment
  SBBG56033  Acmispon argophyllus var. argophyllus B. Gustafson 1977-4-7 5586 Riverside Whitewater Cyn Rd, near start of Pacific Crest Trail 609 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
  SD67917  Acmispon nevadensis var. nevadensis Reid Moran 1968-8-3 15370 Riverside North slope, 1.0 mile west of Summit, Santa Rosa Mountain. 2150 Comment
  SBBG34207  Acmispon strigosus T. L. Secrest 1951-5-20 Riverside Idyllwild 1524 Comment
  UCSB46690  Acmispon strigosus Reed, Susan 1977-5-30 Riverside University of California James Reserve 1828 Comment
  RSA192185  Acourtia microcephala E. W. Lathrop 1960-6-8 4934 Riverside 14 miles west of Murrieta Comment
  RSA793266  Acourtia microcephala Aaron C. Sedgwick, April Garbat 2012-5-5 98 Riverside West of San Jacinto Forest Service land and south of Hwy. 74. Entry point is from an unmarked road just ~1000 ft. west of the ranger station. Continue through citrus groves to BLM land located in a canyon south of the groves. 610 Comment
  UCR261509  Acourtia microcephala A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41731 Riverside Temesal Canyon, south of Glen Eden Rd. on the crest of an alluvial ridge, south of I-15 and Lee (Corona) Lake 384 Comment
  CAS-BOT-BC22561  Adenophyllum porophylloides P. A. Munz 1932-4-24 12395 Riverside Snow Creek Canyon, San Jacinto Mountains 457 Comment
  SD229251  Adenostoma fasciculatum Dick Schwenkmeyer 2012-8-6 764 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  UCR112805  Adenostoma fasciculatum A. C. Sanders 1997-5-1 20607 Riverside Lake Skinner area, north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  UCR30527  Adenostoma fasciculatum John C. Roos 1952-5-26 5722 Riverside Haas' Ranch, Reche Canyon 457 Comment
  CAS-BOT-BC139860  Adenostoma sparsifolium Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild 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
  SD84929  Adenostoma sparsifolium Nancy Ryan Zabriskie, Walter Zabriskie 1971-8-20 430 Riverside North side of canyon ca. 350 yds above 1st turnout, east side of Santa Rosa Mt. Rd. south of Hwy 74, Palm Canyon drainage, Santa Rosa Mts. 1524 Comment
  UCSB2736  Adenostoma sparsifolium Gill, Robert 1959-11-22 Riverside Pines to Palms Highway 1219 Comment
  RSA0034426  Adenostoma sparsifolium Louis C. Wheeler 1931-10-4 175 Riverside Hemet-Idyllwild Road 1372 Comment
  SDSU13825  Adiantum jordanii W. Miller, C. Mosse 1972-8-9 Riverside About 1/2 way to river. Comment
  UC63090  Agoseris grandiflora var. grandiflora H. M. Hall 1901-6-1 2103 Riverside eastern base, along the borders of Colorado Desert; San Jacinto Mountains, , Vandeventer's Meadow Comment
  UCR187474  Agrostis exarata Diane Menuz, Angela Hyde 2006-8-24 235 Riverside Peninsular Range; San Jacinto Mtns, North Fork San Jacinto River c. 100 m below FS Rd. 5S09, below Indian Mountain 1331 Comment
  SBBG59483  Agrostis scabra R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
  UCR2133  Agrostis viridis F. M. Reed 1907-6-16 1414 Riverside South Coast; San Bernardino Valley, Riverside, upper south fork of Arroyo Tequesquite 457 Comment
  UCR162619  Alchemilla occidentalis Abby Sirulnik 2003-4-1 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Lopez Canyon, near Lake Skinner 610 Comment
  RSA0108827  Allionia incarnata Duncan S. Bell, Amanda Turek 2009-3-30 173 Riverside Southeast section of the Arica Mountains; approximately 1.25 air miles southwest of Priest Well. 349 Comment
  RSA780277  Allionia incarnata Stephanie Rockwood, Christi Gabriel 2011-10-12 102 Riverside Unnamed Road heading toward Arica Mountains. Off Blythe/Rice Road. Base of Aricas. 334 Comment
  SEINET11941862  Allionia incarnata M. T. Doutt 1931-1 779 Riverside Chino Canyon, Palm Springs Comment
  UCR87152  Allium ampeloprasum Steve Morgan 1995-5-18 s.n. Riverside Garden of Edith McKenzie, 22918 Pahute Drive, Moreno Valley Comment
  UCR88538  Allium fimbriatum A. C. Sanders 1995-4-13 16487 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  POM263555  Allium fimbriatum var. fimbriatum J. C. Roos 1941-5-10 129 Riverside Pinyon Flats Camp, Santa Rosa Mountains. 1220 Comment
  UCR117303  Allium haematochiton A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 724 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  RSA543579  Allium lacunosum var. lacunosum Steve Boyd 1991-5-7 6161 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  JEPS47552  Allium marvinii Frank W. Peirson 1921-3-19 2394 Riverside 4 mi w Beaumont Comment
  UC52549  Allophyllum gilioides subsp. violaceum H. M. Hall July 1901 Riverside vicinity of Deer Springs (Accordion Creek); San Jacinto Mts., Accordion Creek 2438 Comment
  UCR243180  Allophyllum glutinosum A. C. Sanders 2013-7-6 40840 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE part of town near Saunders Meadow, west end of Tahquitz View Dr. toward Crestview Dr. 1707 Comment
  RSA736729  Alnus rhombifolia Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10679 Riverside Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  SEINET9120721  Amaranthus fimbriatus E. R. Blakley 1961-1 4715 Riverside Pinyon Flat, Palms to Pines Highway (Calif. 74). 1219 Comment
  UCR111752  Amaranthus palmeri R. Kirkland 1974-7-17 s.n. Riverside Off Hwy 60, toward Ontario Comment
  UCR4345  Amaranthus powellii O. F. Clarke, Jeanine Derby 1973-9-23 s.n. Riverside Santa Ana River Valley, City of Corona, river bottom area Comment
  CAS-BOT-BC13616  Ambrosia acanthicarpa H. S. Gentry 1954-7-26 14252 Riverside Dripping Springs along route 79 Comment
  RSA3325  Ambrosia acanthicarpa C. B. Wolf 1931-10-14 2459 Riverside Cabazon, San Gorgonio Pass. 518 Comment
  SBBG119940  Ambrosia confertiflora A. C. Sanders 1996-5-14 18169 Riverside E side of Intertstae 215 at Alessandro Blvd, Moreno Valley (Edgemont) 470 Comment
  LA83357  Ambrosia dumosa O. H. Kappler; 1941-4-21 212 Riverside Morongo Pass Area, Desert City Comment
  POM250429  Ambrosia dumosa I. W. Clokey 1935-4-17 6729 Riverside Mecca to Shaver's Well Comment
Read comments
Apr 24 2011
  RSA0093751  Ambrosia dumosa Jim M. Andre 2012-4-11 20709 Riverside Little San Bernardino Mountains; along road to Cottonwood Spr. (Utah Trail or Eldorado Mine Rd) 1 mi NW of Fried Liver Wash, approx 15 mi. south of Hwy 62 at 29 Palms. 617 Comment
  RSA655079  Ambrosia dumosa Scott D. White 2000-3-23 7639 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion. 152 Comment
  UC724342  Ambrosia dumosa Aven Nelson, Ruth A. Nelson 1939-3-30 3340 Riverside near, on Hwy 60; Desert Center Comment
  SEINET10882135  Ambrosia dumosa Billy Joe Cox 1975-4-23 Cox 4157 Riverside Palo Verde, 1-3 km W, (ca. 32 m S of Blythe). Riverside-Imperial Co. 70 Comment
  RSA776937  Ambrosia ilicifolia Amber Swanson, Duncan S. Bell 2011-3-18 220 Riverside About 3 airmiles SE of Desert Center, N of Chuckwalla Mtns. 392 Comment
  UCD128696  Ambrosia ilicifolia P. A. Munz; D. Keck 9-12 Apr 1922 4782 Riverside vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  UCR18583  Ambrosia ilicifolia John C. Roos, Lucille Roos 1949-4-10 4230 Riverside Sonoran (Colorado) Desert, Chuckwalla Mts, canyon 3.5 mi. SE of Desert Center 612 Comment
  RSA603204  Ambrosia pumila Steve Boyd 1997-7-22 10017 Riverside Gavilan Hills region: Warm Springs Valley northwest of Lake Elsinore, about Alberhill Creek at the head of Walker Canyon near Durant Siding, southeast base of Alberhill Mountain along Nichols Road, 0.2 miles southwest of junction with Collier Avenue. 381 Comment
Read comments
Jun 10 2015
  SD138940  Ambrosia pumila Craig Reiser 1993-4-19 Riverside Adjacent to Nichols Road about 400 yards west of Highway I-15 Comment
  UCR172727  Ambrosia pumila A. C. Sanders, John F. Green 2006-5-18 32367 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
  LA203755  Ambrosia salsola A. M. Johnson; 1932-3-19 3880 Riverside below [S of] Palm Springs Comment
  SD229059  Ambrosia salsola Dick Schwenkmeyer 2012-5-22 725 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UC68914  Ambrosia salsola var. salsola H. M. Hall 1905-5-1 5983 Riverside Chuckawalla Springs Colorado Desert Comment
  UC897997  Ambrosia salsola var. salsola F. A. Thackery 1928-4-18 189 Riverside Morongo Canyon Comment
  SD229150  Amorpha fruticosa Dick Schwenkmeyer 2012-11-6 877 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  RSA0089626  Amsinckia intermedia Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3881 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
  SEINET7073406  Amsinckia intermedia A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  UCR163218  Amsinckia intermedia T. B. Salvato, Kelly Volansky 2003-3-27 135 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR279383  Amsinckia intermedia A. C. Sanders, Jim Malusa 2017-3-24 42964 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  RSA499877  Amsinckia menziesii E. A. McGregor 1965-4-20 s.n. Riverside Near Aguanga, along Rt. 79. Comment
  JOTR30962  Amsinckia tessellata var. tessellata La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1937 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  RSA0043041  Amsonia tomentosa Duncan S. Bell, Evan Meyer 2014-4-2 6527 Riverside Chuckwalla Mountains; approx. 0.75 air mile southeast of Aztec Well. 703 Comment
  CLARK-A1528-775  Anagallis arvensis Leland R. Dykes 1962-5-1 54 Riverside Santa Ana Mountains 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
  UCR16649  Anagallis arvensis Kirk Taylor 1976-5-23 76-5-23- 13 Riverside Peninsular Range, Mesa de Colorado, 7 mi west of Murrieta on Tenaja Rd 549 Comment
  RSA586498  Ancistrocarphus filagineus Darin L. Banks, Steve Boyd 1995-5-9 0329 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  CHSC1628  Anemopsis californica E. Thomas 1940-5-26 Riverside Murrieta. Comment
  POM13084  Antennaria rosea E. C. Jaeger 1921-6-22 s.n. Riverside Long Valley. San Jacinto Mts. 2439 Comment
  UC29526  Antennaria rosea H. M. Hall 1901-7-1 2401 Riverside Tamarack Valley San Jacinto Mountains, Tamarack Valley Comment
  RSA0000864  Antennaria speciosa H. M. Hall 1891-07 2401 Riverside San Jacinto Mts. Tamarack Valley. 2835 Comment
  RSA735853  Anthemis cotula Scott D. White, Justin M. Wood 2008-4-15 11876 Riverside Perris Valley: Interstate 215, between Nuevo Rd and Scott Rd. 427 Comment
  UC1929316  Anthriscus caucalis Scott D. White, Justin Wood 2008-4-16 11893 Riverside Perris Basin; Menifee Valley, N of Newport Rd. Drainage ditch down stream from golf course. 436 Comment
  POM14074  Antirrhinum coulterianum Philip A. Munz, D. D. Keck 1922-4-14 4999 Riverside East of White Water Ranch. 244 Comment
  RSA78284  Antirrhinum coulterianum Philip A. Munz, E. K. Balls 1952-8-21 17971 Riverside Vandeventer Flats, SE end of San Jacinto Mtns. 1402 Comment
  UCR90347  Antirrhinum coulterianum Scott D. White 1995-6-30 3435 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  POM14369  Antirrhinum filipes Philip A. Munz, D. D. Keck 1922-4-9 4756 Riverside Shavers Well, near Mecca. 76 Comment
  UCR117073  Antirrhinum kelloggii A. C. Sanders, Steven R. Hill 2001-5-4 24131 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR260866  Antirrhinum nuttallianum A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41548 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns., Temescal Canyon, south of Indian Truck Trail and SW of Lee (Corona) Lake, just north of Temescal Canyon Rd., bank of lower Indian Canyon Wash 344 Comment
  RSA125361  Antirrhinum nuttallianum subsp. nuttallianum R. Weatherby 1950-5-25 1096 Riverside 3 miles west of Lakeview Comment
Read comments
Jul 11 2012
  RSA444466  Antirrhinum nuttallianum subsp. nuttallianum L. Roos 1966-4-29 s.n. Riverside Hills between March Air Force Base and Lakeview; rocky crevices Comment
  RSA495454  Antirrhinum nuttallianum subsp. nuttallianum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-18 2982 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  JEPS100902  Apiastrum angustifolium Dean W. Taylor 1998-5-13 16433 Riverside Aguanga Valley, mouth of Temecula Creek, on hillslopes just south of Highway 79 609 Comment
  RSA711034  Apiastrum angustifolium A. C. Sanders 2005-4-21 29564 Riverside Peninsular Range: Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak. 622 Comment
  UCR260558  Apiastrum angustifolium T. B. Salvato 2015-4-2 8102 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully 537 Comment
  RSA263646  Apium graveolens E. W. Lathrop 1966-5-8 6511 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  UCR3736A  Aquilegia formosa Frank C. Vasek 1964-7-25 640725- 14 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  CAS-BOT-BC410045  Arceuthobium campylopodum Mary F. Spencer 1919-6-25 s.n. Riverside San Jacinto Mountains 1676 Comment
  RSA629140  Arctostaphylos Jon E. Keeley 1992-7-16 16563 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629148  Arctostaphylos Jon E. Keeley 1992-7-17 16771 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA19996  Arctostaphylos glandulosa subsp. adamsii I. W. Clokey, E. G. Anderson 1935-4-16 6787 Riverside East of Hemet. 630 Comment
  RSA629450  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-16 16572 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  UC21900  Arctostaphylos glandulosa subsp. zacaensis H. M. Hall 1901-6-11 2054 Riverside vicinity of Chalk Hill San Jacinto Mountains 1584 Comment
  RSA1541  Arctostaphylos glauca B. D. Stark 1930-2-21 1472 Riverside Hidden Canyon, near Corona, Santa Ana Mts. Comment
  RSA631797  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19567 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  RSA632650  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16559 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  POM367325  Arctostaphylos glauca var. glauca E. Crow 1929-4-7 322 Riverside Corona Skyline Drive, Santa Ana Mts. Comment
  POM259130  Arctostaphylos parryana subsp. desertica P. A. Munz 1938-8-14 15376 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2287 Comment
  RSA633533  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20151 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633556  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16685 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633629  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22659 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633632  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22656 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633703  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16673 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633767  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16633 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA635691  Arctostaphylos pringlei Jon E. Keeley 1992-7-16 16600 Riverside Hwy 371 & Burnt Valley Rd. San Jacinto Mtns. 1250 Comment
  CAS-BOT-BC44329  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1932-8-4 3922 Riverside Strawberry Valley one and one-half miles from Idyllwild on road to Banning, San Jacinto Mts. 1706 Comment
  RSA635646  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16610 Riverside Road to Santa Rosa Mtn. (7S02), 0.5 km south of Hwy 74. 1475 Comment
  RSA82949  Arctostaphylos pringlei subsp. drupacea R. M. Straw 1953-6-5 449 Riverside Fuller Mill Creek camp, Idyllwild-Banning Rd. Comment
  UC748985  Arctostaphylos pringlei subsp. drupacea Susan Delano McKelvey 1936-3-16 5083 Riverside Palms to Pines Hwy San Jacinto Mts. 1371 Comment
  CAS-BOT-BC46342  Arctostaphylos pungens Munz; Johnston 1922-5-20 5491 Riverside Head of Hemet Valley, San Jacinto Mts. 1524 Comment
  RSA635991  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19536 Riverside West of Temecula, off Carancho Rd., 2.3 km west of Via Volcano, eastern Santa Margarita Mtns. 430 Comment
  JOTR36464  Argemone corymbosa La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3434 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  UCR133358  Argemone munita Tracy Tennant, J. S. Ross 1998-4-30 MOR- 62 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, unnamed canyon running W to E between the southern portions of Hathaway and Potrero Canyons, c. 1.5 miles ENE of Banning Peak (VABM 3440) 854 Comment
  RSA502588  Argemone munita subsp. munita Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-11 3724 Riverside Vail Lake area, recently burned hills SE of lake, S of Hwy 79. 488 Comment
  RSA0002644  Argythamnia claryana Marjorie D. Clary 1936-10-24 1707 Riverside Foot of Santa Rosa Mts. about 10 miles west of Coachella. Comment
  CAS-BOT-BC137650  Aristida adscensionis Carl B. Wolf 1932-4-27 2987 Riverside Colorado Desert. 14 miles east of Mecca on Blythe Road (east of Shavers Well). 152 Comment
  UCD56427  Aristida adscensionis D. C. Finfrock 1951-5-10 s.n. Riverside 10 miles west of Blythe, Highway 60-70 at Black Rock. Comment
  UCR244447  Aristida adscensionis Jim Andre 2012-4-16 20903 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  UCR252607  Aristida adscensionis T. B. Salvato, Matthew Malle 2013-4-15 7538 Riverside Gavilan Hills, dirt SCE powerline access road east of Lake Street and northwest of Hilltop Drive. 1.10 mi northeast of the junction of Lake Street and Hwy I-15 567 Comment
  JOTR00870  Aristida adscensionis Sipe, Frank 1958-3-10 277 Riverside Joshua Tree National Park. PINTO BASIN Comment
  RSA457765  Aristida adscensionis var. modesta Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2130 Riverside N. end Palen Mountains, 2 miles west of Palen Pass. 300 Comment
  JOTR29565  Aristida californica var. californica Andre, Jim, Tasha LaDoux 2006-4-11 6739 Riverside Joshua Tree National Park. About 1 mi. N. of Pinto Basin Rd (paved), growing in Sand Hill area 526 Comment
  RSA0026168  Aristida oligantha Marc Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17715 Riverside Palo Verde Mesa, 14 kilometers SW of Blythe, 5 kilometers ENE of north end of Mule Mountains. Comment
  POM264638  Aristida purpurea var. fendleriana J. C. Roos 1938-8-7 583 Riverside Pinyon Flats Camp, Santa Rosa Mountains. 1220 Comment
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Apr 3 2011
  CLARK-A1528-4491  Aristida wrightii John C. Roos 1938-8-7 582 Riverside San Jacinto River 701 Comment
  POM13394  Artemisia californica E. C. Jaeger 1921-4-10 1020 Riverside Palm Springs, Colo. Desert. Comment
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Nov 5 2011
  SDSU12265  Artemisia californica Jeremy Mass, Ryan Jacobsen 2000-4-19 11 Riverside Growing along edge of road near Stone Creek, close to Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 222 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
  UCR113186  Artemisia californica A. C. Sanders 1998-1-15 21638 Riverside Lake Skinner area, rocky knob (2527 ft.) along dirt road toward Crown Valley, NE of Black Mtn. 762 Comment
  CAS-BOT-BC90605  Artemisia dracunculus W. R. O. 0003 Riverside Old Old Field, S.W. San Jacinto Valley near base of Mt. Rudolph Comment
  RSA508336  Artemisia dracunculus Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mountains, ca. 1 mile SE of town of Nuevo. 640 Comment
  CAS-BOT-BC93731  Artemisia ludoviciana subsp. albula S. B. Parish 1918-4-3 11699 Riverside Oak Lodge, mouth San Jacinto River Comment
  CAS-BOT-BC93690  Artemisia ludoviciana subsp. incompta Louis C. Wheeler 1931-10-4 171 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  SEINET959514  Artemisia tridentata R. E. Riefner Jr. 2006-1 6 -442 Riverside Temecula Valley, c.0.1 mi. West of I-15 freeway along Temecula Creek (temecula 7.5 ) 301 Comment
  POM122002  Artemisia tridentata subsp. tridentata Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Spring, near Temecula. 366 Comment
  POM12973  Arthrocnemum subterminale I. M. Johnston 1922-5-19 s.n. Riverside Perris 457 Comment
  UCR202003  Asclepias californica 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
  UCR14773  Asclepias eriocarpa A. C. Sanders, O. F. Clarke, Dan Vossler 1975-7-23 604 Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa west of Murrieta, along Tenaja Rd. about 2 mi west of the eastern escarpment of the Santa Rosa Plateau. Probably collected very near Bench Mark 1847 ft. shown on the topo map 579 Comment
  SEINET10637047  Asclepias fascicularis Harvey M. Hall Hall s.n. 1897 Riverside Kenworthy, San Jacinto Mountains 1372 Comment
  SBBG13938  Asclepias subulata E. R. Blakley 1961-9-10 4708 Riverside Cactus City, US Hwy 60-70 E of Indio 504 Comment
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Mar 20 2011
  CDA2687  Asphodelus fistulosus A. C. Sanders, T. B. Salvato 2001-5-24 24371 Riverside Perris-Aguanga Basin; Temecula, Long Canyon area west of Del Rey Rd. along Avenida Buena Suerte. Comment
  UCR19474  Aspidotis californica John C. Roos 1952-4-9 5499 Riverside San Bernardino Basin Region, Riverside, north side of Mount Rubidoux 381 Comment
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May 21 2011
  JEPS83135  Astragalus coccineus R. P. Allen 1935-3-24 255 Riverside Eagle Mountains Comment
  UC669291  Astragalus crotalariae Annie M. Alexander and Louise Kellogg 1941-3-2 1881 Riverside roadside 5 mi s Valerie; s of Valerie Comment
  UC63400  Astragalus didymocarpus H. M. Hall 1904-5-19 4951 Riverside vicinity Riverside (Fairmount Park); vicinity of Riverside, Fairmount Park 243 Comment
  RSA359864  Astragalus didymocarpus Steve Boyd 1986-4-2 1620 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UCR22095  Astragalus didymocarpus var. obispoensis Steve Boyd 1980-5-2 s.n. Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  POM157927  Astragalus douglasii var. parishii P. A. Munz 1927-5-21 10843 Riverside Head of San Carlos Pass, Anza. 1372 Comment
  UCR237114  Astragalus gambelianus Duncan S. Bell, Joy England 2010-5-17 1007 Riverside San Jacinto Mountains, Rouse Ridge, c. 3 air miles southeast of junction of Hwy 74 and forest service road 5S15 1045 Comment
  CLARK-A1656-728  Astragalus lentiginosus var. coachellae Theo Glenn 1981-4-24 Riverside San Jacinto Mountains Comment
  IRVC28836  Astragalus lentiginosus var. coachellae Mark A. Elvin 2005-4-25 4223 Riverside Coachella Valley; N of Palm Springs; N of I-10; S of Dillan Road; E of Indian Avenue. Northern Sonoran Desert 213 Comment
  LA204979  Astragalus lentiginosus var. coachellae Martha Hilend; 1928-5-15 180 Riverside S of Garnet Station Comment
  RSA0094792  Astragalus lentiginosus var. coachellae Duncan S. Bell, Andrew Chambers, Jacob B. Landis, Evan Meyer, Billy Sale 2015-4-2 7933 Riverside San Gorgonio Pass area, between Cabazon and Whitewater, about a 1/2 mile south of Interstate 10, just to the east of a section of the wind farm. 416 Comment
  SD143258  Astragalus lentiginosus var. coachellae James C. Dice, Kimberly A. Nicol 1998-3-24 98032 3 Riverside Northwestern Colorado Desert, 7.1 miles north of Desert Center, along State Highway 177. 163 Comment
  UCD105146  Astragalus oocarpus K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
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Nov 7 2014
  UCR262560  Astragalus pachypus var. jaegeri James Hughes 2015-6-19 s.n. Riverside San Jacinto Mountains, Rouse Ridge, along FS Rd. 5S15/Rouse Hill Truck Trail c. 4 road miles south of Cranston Guard Station 893 Comment
  UCR243516  Astragalus palmeri Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21074 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  CSUSB2272  Astragalus pomonensis Steven J. Southwell 1971-5-23 Riverside Santa Ana Mountains Santa Ana Mountains. Widespread along dirt road between Murrietta and Tenaja Station. 609 Comment
  POM50420  Astragalus pomonensis W. W. Eggleston 1924-3-8 19517 Riverside Val Verde. 390 Comment
  UCD105191  Astragalus pomonensis R. N. Raynor 1938-6-20 s.n. Riverside Aguanga. Comment
  UCR98063  Athysanus pusillus A. C. Sanders 1997-3-1 19732 Riverside Box Springs Mountains, Pigeon Pass, canyon below Regulus Road, 0.6 mi. west of Pigeon Pass Road., 0.4 mi. east of Bench Mark 'Table' (2559 ft). 610 Comment
  RSA0020587  Atrichoseris platyphylla J. Andre 2013-3-27 24822 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  RSA418189  Atrichoseris platyphylla Christopher Davidson 1979-4-4 7697 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca. 213 Comment
  RSA550010  Atrichoseris platyphylla Walter Wisura, John Dolan, C. Demme 1992-4-13 4687 Riverside Lower Desert: Wileys Well Road, 10.5 miles S of prison Comment
  UCD129382  Atrichoseris platyphylla P. C. Everett; E. K. Balls 1958-4-29 23026 Riverside 10.8 miles northeast and north from Desert Center along road to Rice and Vidal Junction. 274 Comment
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Jun 16 2013
  UCSB6375  Atrichoseris platyphylla Yokoyama, Howard 1953-3-21 Riverside 9 miles east of Indio Comment
  CAS-BOT-BC98817  Atrichoseris platyphylla Helen K. Sharsmith 1952-4-8 4051 Riverside Mojave Desert - Pinto Mountains near Meek Mine and ca. 2.5 miles beyond Mission Well 579 Comment
  RSA452694  Atriplex argentea Elizabeth A. White 1928-04 s.n. Riverside Colorado Desert, Indio Rd. Comment
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Oct 23 2011
  UCR202323  Atriplex argentea Karin Cleary-Rose 1998-9-7 s.n Riverside Perris-Aguanga Basin Region; San Jacinto River Valley, west edge of Hemet, east of Warren Rd., south of Esplanade and north of the Tres Cerritos Hills 460 Comment
  POM278666  Atriplex canescens Grant D. Brown 1949-12-14 469 Riverside 1.5 miles W of White Water Comment
  SBBG1754  Atriplex canescens H. and M. Dearing 1939-11-12 4026 C Riverside near Banning Comment
  SEINET3930592  Atriplex canescens R. L. Piemeisel 1914-9-25 4045 Riverside 4 mi. w. of Indio Rd. to Indian well.; 0 Comment
  JOTR29268  Atriplex canescens subsp. canescens La Doux, Tasha 2005-8-17 1538 Riverside Joshua Tree National Park. Queen Valley, along Bighorn Pass Road 1321 Comment
  POM202643  Atriplex canescens var. laciniata W. M. Ingram 1934-10 1 Riverside 6 miles southwest [southeast] of Whitewater Highway 99, Colorado Desert. Below sea level. Comment
  UCR228198  Atriplex canescens var. macilenta Dave Silverman 2010-3-24 7828 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 4.5 km southeast of Sidewinder Well, 2.3 km SW of Palen Dunes Dr., and 4.2 km north of Interstate 10 128 Comment
  RSA0135545  Atriplex coronata var. notatior David E. Bramlet, Rick Riefner 2005-7-28 3906 Riverside Upper Salt Creek, 3.7 miles northwest of Hemet. 1,650 ft. north of Devonshire Ave. and 60ft west of Warren Road. 80 ft. east of the MWD canal. 458 Comment
  SD130238  Atriplex coronata var. notatior George Ruffner 1990-5-2 Riverside San Jacinto Wildlife Area, east of Davis Road, vicinity of duck ponds on west edge of playa of Lake San Jacinto. Comment
  UCR62385  Atriplex coronata var. notatior Don Mitchell 1990-6-1 s.n. Riverside 1.5 mi west of Lakeview, on south side of Ramona Expressway, c. 200 yards west of the San Jacinto River Comment
  UCR66980  Atriplex coronata var. notatior D. E. Bramlet, A. Parikh 1990-6-14 2037 Riverside San Jacinto Valley, c. 6.5 km SW of Hemet, just west of Warren Ave, at Setson Ave. & MWD canal; in cow pasture c. 400 m north of Setson Ave. 457 Comment
  POM48332  Atriplex hymenelytra E. C. Jaeger 1925-2-8 s.n. Riverside Painted Canyon near Mecca. Comment
  UC1922264  Atriplex hymenelytra Scott D. White, Brian Leatherman 2005-5-4 11016 Riverside Sonoran Desert: Eastern Coachella Valley. Thermal area; bajada below Mecca Hills and East of the Coachella Canal. Comment
  UCR129808  Atriplex hymenelytra Scott D. White 2001-5-4 8449 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, adjacent to I-10 Freeway, a few miles east of Indio 177 Comment
  LA91314  Atriplex lentiformis Louis Wheeler; 1931-11-27 387 Riverside 3 mi. SE Salton Bench Mark -76 Comment
  POM278734A  Atriplex lentiformis subsp. breweri Grant D. Brown 1950-12-2 581 Riverside Cajalco Resevoir, SE; Cajalco Canyon. 442 Comment
  SBBG72554  Atriplex lentiformis subsp. breweri M. D. Clary -Oct-1929 423 Riverside Coachella Valley -13 Comment
  RSA1394  Atriplex lentiformis subsp. lentiformis B. D. Stark 1930-4-2 782 Riverside Indio, sea level 0 Comment
  RSA612719  Atriplex parishii H. C. Stutz 1994-10-17 9693 Riverside W side of Hemet, 100 yards East of California Street terminus Comment
  RSA557368  Atriplex semibaccata Julie Greene, S. White 1993-7-5 1404 Riverside San Jacinto Wildlife Area. Lower, flat area, W of dirt road. 441 Comment
  CAS-BOT-BC176762  Atriplex serenana var. serenana Baer 1922-9-9 s.n. Riverside Elsinore Comment
  RSA426790  Ayenia compacta E. Dean 1929-5-6 s.n. Riverside Mts. of W. side of Colorado desert. Near Elsinore. Comment
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Jul 17 2015
  CLARK-A1528-5226  Baccharis brachyphylla John C. Roos 1949-9-17 4659 Riverside Whitewater Wash 548 Comment
  SD146042  Baccharis glutinosa Mitch Provance, S. D. Boyd 1999-9-14 1784 Riverside Riverside; riverbottom along Spring Brllk between Lake Evans and the Santa Ana River at the Mission Bridge. 238 Comment
  RSA652565  Baccharis salicifolia Don Fells 1948-2-15 s.n. Riverside 1/3 mile SE from 6th and California, Norco. 228 Comment
  UCR138718  Baccharis salicifolia Julie A. Greene 1993-4-17 1221 Riverside San Jacinto Valley, San Jacinto Wildlife Area. west of San Jacinto River, west of Davis Rd 439 Comment
  UCR21968  Baccharis salicifolia Steve Boyd 1980-5-5 209 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR113746  Baccharis salicina Scott D. White, D. Flietner 1998-12-2 7197 Riverside Peninsular Range, Temescal Canyon / Lake Elsinore area 425 Comment
  JOTR29285  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
  POM350457  Baccharis sergiloides George B. Grant 1906-05 6749 Riverside Colorado Desert, Desert Canyon Comment
  RSA314468  Baccharis sergiloides R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55384 Riverside San Bernardino Mts.: Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  UCR109457  Baccharis sergiloides A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19660 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, east of VAMB Captain 534 Comment
  RSA20293  Bahiopsis parishii Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9550 Riverside Cottonwood Springs Canyon. Comment
  CAS-BOT-BC99949  Baileya pauciradiata Lewis S. Rose 1937-4-10 37147 Riverside 5 mi. S. of Cathedral City 15 Comment
  UC1979854  Baileya pauciradiata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-5 963 Riverside Mojave Desert; East Mojave Desert region: Blythe-Rice Road, East / Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. Comment
  UCR16888  Baileya pauciradiata S. Nelson 1974-4-13 s.n. Riverside Sonoran (Colorado) Desert, [Coachella Valley] 2 mi north of U.S. Highway 10 on Washington St. 153 Comment
  PASA2184  Baileya pauciradiata Florence Brubaker Riverside Colorado Desert Comment
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Mar 23 2019
  OBI16935  Bebbia juncea H. E. McMinn 1935-6-27 4066 Riverside Palms to Pines Highway Comment
  POM350774  Bebbia juncea Robert Gustafson, Gary D. Wallace 1982-5-19 2568 Riverside Pines to Palms Hwy (Hwy. 74), vicinity of Pinyon Flat campground. Comment
  RSA695624  Bebbia juncea Keith E. Hoffmaster 1934-4-8 s.n. Riverside Santa Ana Mts. Comment
  UCR109559  Bebbia juncea R. D. Goeden, Don W. Ricker 1980-3-20 s.n. Riverside Western Colorado Desert, Coachella Valley, Painted Canyon in the Mecca Hills 122 Comment
  UCR21998  Bebbia juncea Steve Boyd 1980-7-12 332 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 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
  RSA92402  Bebbia juncea F. W. Peirson 1924-6-21 4756 Riverside Temescal Canyon, near Elsinore 305 Comment
  HSC82758  Bebbia juncea var. aspera Christopher Davidson 1979-4-4 7688 Riverside Orocopia Mtns., lower end of Box Canyon on Box Canyon Rd., 4.4 mi. E of Mecca 213 Comment
  JOTR34039  Bebbia juncea var. aspera La Doux, Tasha, M. Harding 2010-4-7 2922 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  RSA735388  Bebbia juncea var. aspera Steve Boyd 2007-4-20 11726 Riverside Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of ''Walsh CanSoutheast-facing slope on English Lake trail. The Salmon Mountains., High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Areayon,'' ca. o.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia azedarach and across from driveway leading to 26875 Walsh Road. 549 Comment
  UCR6174  Berberis dictyota Z. Shugart 1967-5-20 s.n. Riverside Perris-Aguanga Basin region, Bernasconi Hills, Big Rock, SE of Riverside off Lakeview Rd. 457 Comment
  UCR110407  Bergia texana A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23177 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
  UCR266823  Bergia texana D. E. Bramlet 2005-7-13 3898 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, Mystic Lake, SW side near duck club, 200 ft. east of South Contour Rd., 4700 ft. north of San Jacinto River 434 Comment
  OBI14422  Bernardia myricifolia Annie M. Alexander; Louise Kellogg, Louise Kellogg 1941-5-10 2144 Riverside 3 mi NE Cottonwood Spring, Eagle Mts 1036 Comment
  UCSB2223  Boechera arcuata Keator, Glenn 1959-5-17 Riverside Near Hemet lake; on Pines to Palms highway Comment
  SD133144  Boechera californica Scott White 1991-5-13 91 109 Riverside Highway 79 immediately west of U. S. Forest Campground at Dripping Springs. 550 Comment
  UC1979645  Boechera californica Steve Boyd, D. L. Banks 1995-3-30 8405 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain on the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. Comment
  RSA720468  Boechera johnstonii Naomi Fraga, Tim Thibault 2006-5-16 1674 Riverside ca. 2.5 miles up Morris Ranch Road near its intersection with a locked FS road west of Goff Flat. 1585 Comment
  LA204241  Boechera xylopoda L. Haines; L. Erickson 1937-4-10 Riverside Palms to Pines Highway near road to Shumay Comment
  RSA734504  Boerhavia coccinea M. Wall 2008-6-20 464 Riverside San Jacinto River, east of Hemet off Hwy 74, ca. 2.0 miles east of the Cranston Ranger Station. 639 Comment
  UCR17654  Boerhavia coulteri Hap Ritter, Paul Mack 1976-10-19 s.n. Riverside Sonoran (Colorado) Desert, c. 20 mi. NW of Blythe on the Midland Road, McCoy wash drainage, SW side of the Big Maria Mtns. 245 Comment
  UCR261844  Boerhavia coulteri Tim Thomas, Alice Karl 2011-10-18 5527 Riverside Sonoran (Colorado) Desert, Hayfield Lake, 4 mi east of Chiriaco Summit, just north of Hwy I-10, northwest portion of lake be 437 Comment
  UCR89713  Boerhavia coulteri J. M. Stewart 1990-9-23 655 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  CLARK-A1528-3270  Boerhavia torreyana John C. Roos 1965-9-26 Riverside Santa Rosa Mountains 701 Comment
  JOTR30838  Boerhavia triquetra La Doux, Tasha, Jim Andre 2008-9-16 348 Riverside Joshua Tree National Park. JTNP; NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.534' N 116 03.098' W 1327 Comment
  RSA751509  Boerhavia triquetra Tasha La Doux, Jim Andre 2008-9-16 348 Riverside Joshua Tree National Park: Among boulders on NE end of Splitrock Picnic Area. 1327 Comment
  UCR130148  Bolboschoenus maritimus subsp. paludosus Joseph A. Ewan, Carl Epling 1933-5-12 7609 Riverside South shore of Lake Elsinore 378 Comment
  JOTR29180  Bouteloua aristidoides var. aristidoides La Doux, Tasha 2003-9-24 1257 Riverside Joshua Tree National Park. Queen Mountain, Trail to Barker Dam (stop 1) 1296 Comment
  UCR103311  Bouteloua aristidoides var. aristidoides George K. Helmkamp 1998-4-4 3162 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  RSA740924  Bowlesia incana Scott D. White, Justin M. Wood 2008-7-9 12423 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  SD236161  Bowlesia incana John F. Green 2006-5-2 Riverside Peninsular Ranges: French Valley; small unnamed drainage in agricultural field along Leon Road 409 Comment
  UCR228880  Bowlesia incana A. C. Sanders 2011-4-6 39019 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
  HSC27843  Brandegea bigelovii R. W. Spjut 1973-4-10 3297 Riverside N base of the Chuckawalla Mtn. ca. 3-4 mi. directly S of Desert Center 305 Comment
  JOTR35012  Brandegea bigelovii La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3112 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  SBBG54857  Brandegea bigelovii D. Keil, M. McLeod, D. Walters 1977-3-27 12059 Riverside Box Cyn Rd, ca. 20 mi ENE of Mecca, Orocopia Mtns 274 Comment
  SD46074  Brandegea bigelovii Francia Chisaki, Peter Kamb 1952-4-6 2196 Riverside Box Canyon, on road from Mecca to Blythe Comment
  UC1930077  Brandegea bigelovii Scott D. White 2001-4-3 8236 Riverside COLORADO DESERT: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jt. I-10/SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. Comment
  UCR42620  Brassica nigra B. G. Pitzer, Karen Kirtland 1986-5-6 0263 Riverside 1.5 miles SE of Murrieta along Murrieta Creek; bounded north by Fig St, on south by Elm St., on east by Adams ave, and on west by Jefferson ave. 317 Comment
  RSA155554  Brassica tournefortii L. S. Rose 1962-3-2 62006 Riverside La Quinta 3 Comment
  RSA770306  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4493 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
  UCR165821  Brassica tournefortii John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  RSA342556  Brickellia arguta R. F. Thorne 1980-5-28 54208 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
  CAS-BOT-BC106185  Brickellia desertorum A. C. Sanders; Pam MacKay; Tim Thomas; O. F. Clarke 1996-11-23 19650 Riverside San Bernardino Mtns. - Whitewater Canyon, just below the fish hatchery (Whtie Water 7.5' Q.) 647 Comment
  SD161012  Brickellia desertorum Virginia Moran 2003-9-1 Riverside Perris-Aguanga Basin region: Wilson Valley Mitigation Bank. Comment
  UCR256791  Brickellia desertorum T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7876 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  SEINET7048183  Brickellia desertorum Steven R. Hill 2001-5-3 33692 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  SBBG88694  Brickellia incana K. K. Muller 1971-11-7 2983 Riverside just S of US Hwy 60, opposite S entrance to Joshua Tree Nat Monument Comment
  RSA180433  Bromus arenarius E. W. Lathrop 1965-5-9 5742 Riverside 6 miles W of Murrieta. Comment
  LA13715  Bromus carinatus F. M. Reed; 1906-6-14 1006 Riverside San Bernardino Mountains, Arrowhead grade Comment
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Feb 23 2014
  UCR44200  Bromus carinatus A. C. Sanders 1986-6-1 6539 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  CSUSB427  Bromus diandrus Dean Jones 1966-4-16 Riverside Back yard of 3350 Mulberry Ave. in City of Riverside. 335 Comment
  UCR101438  Bromus grandis A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22214 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Middle Branch of Millard Canyon 1341 Comment
  RSA741211  Bromus hordeaceus Scott D. White, Justin M. Wood 2008-5-15 11988 Riverside Johnson Meadow. 1415 Comment
  SD137963  Bromus hordeaceus Darin L. Banks 1995-5-3 210 Riverside Cleveland National Forest; Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn.; E of the Dripping Springs Alcove Area; along the lower alluvial benches of Arroyo Seco 500 Comment
  JOTR32443  Bromus madritensis subsp. rubens La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2292 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  SEINET3923061  Bromus rigidus R. L. Piemeisel 1913-5-4 3586 Riverside Crestmore field.; 0 Comment
  RSA764436  Bromus rubens Doris Hoover Bowers 1978-3-19 2527 Riverside Wild Horse Canyon 1280 Comment
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Apr 7 2013
  UCR102929  Bromus rubens George K. Helmkamp 1998-2-5 2646 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UCR169783  Bromus rubens Scott D. White, Angelia Carey 2004-4-5 10013 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR65294  Bromus trinii Steve Boyd, D. E. Bramlet, Harry Spilman 1989-4-30 3514 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, N edge of the Gavilan Plateau, east of Gavilan Creek 610 Comment
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Mar 22 2011
  RSA452173  Bursera microphylla Marjorie D. Clary 1939-03 2963 Riverside Martinez Canyon, Colorado Desert, Coachella Valley., [Label states: Martinez Canyon, Colorado Desert, Coachella Valley, Imperial County. Note: Martinez Cyn. is in Riverside Co., east slope Santa Rosa Mtns., ca. 33.5 deg. N, 116 deg. 10 W. -S.D. White Oct 2006] Comment
  UC128445  Caesalpinia virgata Marcus E. Jones, A. M. 1906-4-27 Riverside Indio Comment
  UC667278  Caesalpinia virgata Annie M. Alexander and Louise Kellogg 1941-5-17 2192 Riverside near Dos Palmas; Colorado Desert Comment
  UC68622  Caesalpinia virgata H. M. Hall Apr., 1905 5851 Riverside Dos Palmas Comment
  UCR86211  Caesalpinia virgata A. C. Sanders 1995-5-23 17113 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, north of Toro Canyon., west of Monroe St., and south of Avenue 62 91 Comment
  CAS-BOT-BC224931  Calandrinia ciliata A. C. Sanders; Nathan Moorhatch 2011-3-22 38789 Riverside Peninsular Range; Perris-Aguanga Basin: Romoland in Menifee Valley, powerline route along McLaughlin Rd. east of Trumble Rd. and west of Antelope Rd. 440 Comment
  RSA550018  Calandrinia ciliata Walter Wisura, A. King, L. Newcomb 1992-4-10 4679 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
  UCR118659  Callisia repens A. C. Sanders 2001-11-20 24886 Riverside San Bernardino Valley Region, Riverside, yard of house at 422 Campus View Dr. 341 Comment
  UCR266786  Callitriche marginata Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 07 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  RSA357121  Callitriche marginata R. F. Thorne 1973-5-23 45530 Riverside Santa Rosa Plateau - Mesa de Colorado. 610 Comment
  RSA377348  Calochortus concolor N. C. Cooper 1949-6-29 4330 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  RSA773121  Calochortus concolor Duncan S. Bell, Ryan Parker 2010-6-1 1232 Riverside San Bernardino National Forest: Rouse Ridge, approximately 2.4 air miles southeast of junction of Highway 74 and forest service road 5S15., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 992 Comment
  JEPS17807  Calochortus excavatus W. L. Jepson 1903-8-8 2321 Riverside San Jacinto Mt., at Log Cabin on upper trail San Jacinto Mt. 2438 Comment
  UCR35292  Calochortus palmeri var. munzii L. B. Ziegler 1969-7-1 387 Riverside San Jacinto Mtns, Meadows of May Valley, Upper Herkey Creek 1616 Comment
  IRVC2495  Calochortus splendens D. C. 1965-4-27 s.n. Riverside Palm Springs Sonoran Desert Comment
  RSA500978  Calochortus splendens Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3125 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  RSA501004  Calochortus splendens Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3122 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  RSA784190  Calochortus splendens J. D. Olmsted 1959-6-23 666 Riverside M. fk. San Jacinto River. On west bank of pond at Desert Sun School near Idyllwild. 1646 Comment
  UCR16067  Calochortus splendens Anna Mayers 1978-4-10 s.n. Riverside Lake Mathews, 1.6 mi south of the junction of La Sierra and Cajalco Comment
  UCR120739  Calochortus weedii var. intermedius D. E. Bramlet, Sandy Leatherman 2000-6-7 3062 Riverside Santa Ana Mtns., 762 m north of Tin Mine Canyon and 213 m SW of the intersection of Chase Road and Mangular Avenue in Corona 358 Comment
  CAS-BOT-BC497281  Calochortus weedii var. weedii Scott D. White 1995-6-30 3420 Riverside Cole Creek, NW of Murrieta, upstream from Murrieta Ck. confluence 365 Comment
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Dec 10 2018
  SEINET3885374  Calochortus weedii var. weedii Steve Boyd, Tim Ross 1992-6-10 7624 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wildernes Area. San Mateo Canyon, near the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek.; 0 405 Comment
  UCR63511  Calochortus weedii var. weedii 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
  UC1537346  Calyptridium monandrum Gordon H. True Jr. 1935-4-4 216 Riverside Gavilan Hills 609 Comment
  UCR17440  Calyptridium monandrum B. A. Carlson 1978-4-8 s.n. Riverside Peninsular Range/Sonoran (Colorado) Desert, Santa Rosa Mtns., 5 mi. south of Palm Desert, east of Hwy 74. Approx. 100 m east of Hwy 488 Comment
  UCR97460  Calystegia macrostegia A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19887 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  SDSU21844  Calystegia macrostegia subsp. tenuifolia Dang Dong, Stephanie Castillo, Lindsay Rubin 2016-4-16 7 Riverside Santa Magarita Ecological Reserve, Via Tornado, about 2-3 miles south of Santa Margarita river. 313 Comment
  SDSU5682  Calystegia macrostegia subsp. tenuifolia James C. Dice, Tu Chung 1987-10-19 740 Riverside Along road to Field Station, ca. 0.4 km ENE of Field Station site. T8S, R3W, NW 1/4 of NW 1/4 of section 26. 347 Comment
  HSC16409  Camissonia bistorta C. L. Hitchcock, C. V. Muhlick 1964-3-17 23087 Riverside 1/2 mi. SE of Glen Ivy Hot Springs Comment
  RSA774989  Camissonia boothii Duncan S. Bell 2011-4-7 2172 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests Well, or approximately 5.2 air miles southwest of the ghost town of Rice. 357 Comment
  CLARK-A1528-654  Camissonia boothii subsp. desertorum Charlotte Stocks 1964-5-19 Riverside Thermal Canyon Comment
  RSA617857  Camissonia brevipes Walter Wisura 1998-3-28 5114 Riverside 3.1 mi W of Corn Spring S of I-10. Comment
  POM250400  Camissonia brevipes subsp. brevipes I. W. Clokey 1935-4-17 6763 Riverside Colorado Desert. Shafer [Shavers] Wells - Cottonwood Springs. 25 Comment
  RSA135257  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-1-24 11440 Riverside Colorado Desert. with parents, only a few individuals and parents rarely growing together, on desert alluvial fan of Fargo Canyon. Comment
  SEINET3093141 Image available Camissonia brevipes subsp. brevipes G. K. Helmkamp, E. A. Helmkamp 1998-1-17 2545 Riverside Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal. Comment
  RSA466167  Camissonia californica Ora M. Clark 1929-3-17 1690 Riverside Colorado Desert, south of Cabazon. Comment
  RSA68293  Camissonia californica Verne Grant, Alva Grant 1951-4-7 15981 Riverside Colorado Desert, Morongo Valley road [Hwy 62] ca. 1 miles North of Highway 60 671 Comment
  UCR93819  Camissonia californica P. J. MacKay 1996-6-15 002 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  RSA9347  Camissonia californica Mary F. Spencer 1920-3-29 1614 Riverside In desert sand, Palm Springs, Colorado Desert. 137 Comment
  SEINET6944434  Camissonia campestris W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside West of Perris at base of brush-covered Gabilan Hills. Comment
  RSA454736  Camissonia cardiophylla Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  POM14292  Camissonia chamaenerioides P. A. Munz, D. Keck 1922-4-9 4853 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  HSC66564  Camissonia claviformis Christopher Davidson, H. Surprenant, A. P. Romspert 1979-4-29 7817 Riverside W of Indio, 3 mi. E of Date Palm Dr. 15 Comment
  RSA0043366  Camissonia claviformis Marc A. Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17703 Riverside Palo Verde Mesa, 14 km SW of Blythe, 6 km ENE of north end of the Mule Mountains. 118 Comment
  RSA149769  Camissonia claviformis subsp. aurantiaca Jane Turner, F. M. Ball 1962-3-24 803 Riverside U.S. Hwy 70 at Whitewater. E. 366 Comment
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Oct 1 2011
  UCR115341  Camissonia confusa A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16260 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
  UCR280966  Camissonia hirtella Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 36 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  RSA449011  Camissonia ignota Lester H. Cushman 1932-03 213 Riverside La Sierra Hts. Comment
  RSA525263  Camissonia ignota Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4576 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 549 Comment
  UCR120955  Camissonia ignota A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23885 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR258630  Camissonia ignota T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7895 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  CLARK-A1528-661  Camissonia micrantha C. M. Flanagan 1973-5-20 OO 525 Riverside Morongo Indian Reservation 1158 Comment
  RSA0057863  Camissonia micrantha A. C. Sanders 2011-4-7 39037 Riverside Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  UCR102932  Camissonia pallida George K. Helmkamp 1998-4-3 3077 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek area north of Mt. San Jacinto; at edge of stream south of Snow Creek Rd at a point 1.4 mi. south of Calif. Hwy 111 396 Comment
  JOTR35454  Camissonia pallida subsp. hallii Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 58 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  JOTR37470  Camissonia pallida subsp. pallida Hodges, Stephen, T. Green 2016-5-24 592 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; ascending up wash and slopes towards Mount Minerva Hoyt peak from the east (Stop 2). Comment
  POM249978  Camissonia pallida subsp. pallida E. C. Jaeger 1938-5-30 s.n. Riverside Bill Kees Lookout [Keys View?], Little San Bernardino Mts. Comment
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Dec 14 2016
  RSA339683  Camissonia pallida subsp. pallida Robert F. Thorne, C. W. Tilforth 1980-5-28 54161 Riverside San Bernardino Mts: Dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 mile E of Whitewater Post Office. Comment
  RSA144820  Camissonia refracta E. G. Linsley, J. W. MacSwain 1960-3-2 60 -5 Riverside 2 miles west of Desert Center. Comment
  UCR86867  Camissonia refracta A. C. Sanders, K. Rose 1995-4-27 16743 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  POM20022  Camissonia strigulosa Mary F. Spencer 1923-06 2201 Riverside Idyllwild, San Jacinto Mt. 1646 Comment
  RSA171325  Camissonia strigulosa J. Olmstead 1962-5-3 3474 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
  UCSB24361  Camissonia strigulosa Meyer, Carl 1927-6-1 Riverside San Jacinto Mts, Saunder's Meadow Comment
  JEPS33736  Camissoniopsis pallida subsp. pallida M. D. Clary 1932-5-26 957 Riverside Pleasant Valley Hexie Mt. Comment
  JOTR33954  Camissoniopsis pallida subsp. pallida La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2840 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  CHSC101010  Carex athrostachya Scott D. White; Justin M. Wood 2008-6-18 12222 Riverside San Jacinto Mountains: K Flat Meadow. 1439 Comment
  RSA633885  Carex fracta Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38118 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  RSA680527  Carex fracta Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8646 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA608475  Carex heteroneura var. heteroneura L. C. Wheeler 1961-6-20 7896 Riverside West fork of Tahquitz Creek. 2378 Comment
  CAS-BOT-BC32036  Carex multicaulis J. P. Simon; C. W. Tilforth 1969-6-24 38117 Riverside San Bernardino National Forest, San Jacinto Mts., 1676 Comment
  IRVC1230  Carex multicaulis R. H. Whittaker, W. A. Niering 1963-5-29 SJ 64 Riverside Highway above Idyllwild. Peninsular Ranges, San Jacinto Mountains 1860 Comment
  RSA90867  Carex phaeocephala Joseph A. Ewan 1930-9-1 2164 Riverside Summit of San Jacinto Mountain. 3294 Comment
  RSA180456  Carex praegracilis E. W. Lathrop 1960-6-7 4896 Riverside 14 miles west of Murrieta, Redonda Mesa. Comment
  SD112274  Carex sartwelliana Darley F. Howe 1941-6-8 1293 Riverside San Jacinto Mountains, Strawberry Creek. Comment
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Aug 21 2007
  POM1598  Carex triquetra I. M. Johnston 1918-4-27 s.n. Riverside Temecula. 335 Comment
  JEPS46518  Castela emoryi James Rennie 1916-6-15 Riverside in hayfield in Chuckwalla Mts.; in hayfield in Chuckwalla Mts. Comment
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May 6 2009
  UCR59508  Castilleja affinis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3557 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
  UCR97665  Castilleja affinis A. C. Sanders, G. Helmkamp 1997-3-15 19962 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  LA35281  Castilleja affinis subsp. affinis Mary V. Hood; 1945-3-28 Riverside near Sage, Highway 83 761 Comment
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Mar 1 2014
  SEINET7073308  Castilleja exserta A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  UCR139416  Castilleja exserta P. A. Munz 1922-4-28 5031 Riverside Peninsular Range, Temescal Canyon 366 Comment
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Apr 3 2011
  UCR84601  Castilleja exserta Scott D. White, S. Ogg 1994-4-21 1950 Riverside San Bernardino Mountains, Millard Canyon, near pipeline infiltration site 4 mi south of Bear Wallow Spring 976 Comment
  OBI29868  Castilleja foliolosa Melissa Luckow, Rhonda Riggins 1982-4-15 833 Riverside Hwy 371, 1.2 mi N of jctn with hwy 79 in Aguanga Comment
  OBI8275  Castilleja foliolosa David J. Keil, Malcolm McLeod 1977-3-26 12006 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 Comment
  RSA585638  Castilleja foliolosa D. L. Banks, S. D. Boyd 1995-3-15 73 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
  RSA655630  Castilleja foliolosa A. C. Sanders 2000-3-19 23318 Riverside Shipley-Skinner Reserve area: along old Rawson Rd. just N of Crown Valley, above Diamond Valley 579 Comment
  UC27215  Castilleja lasiorhyncha H. M. Hall 1897-6-16 649 Riverside San Jacinto Mts. 1828 Comment
  UCR2880  Castilleja martinii N. J. Matthews 1963-5-5 50563- 08 Riverside San Jacinto Mtns, 2 mi east of Mountain Center [near Keen Camp Summit], Hwy 74 1494 Comment
  RSA713479  Catalpa bignonioides A. C. Sanders, Guy Bruyea 2003-6-12 26892 Riverside Winchester, SE side of town between Simpson Ave. and Olive Ave., east of Hwy 79/Winchester Rd. 450 Comment
  UCR49244  Caucalis microcarpa Steve Boyd 1986-4-22 1736 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  UC64339  Caulanthus heterophyllus H. M. Hall 1897-3-13 387 Riverside Wildomar Comment
  RSA527666  Caulanthus lasiophyllus var. rigidus Steve Boyd, A. Sanders, Mark Skinner 1990-4-28 444 Riverside Vail Lake area, summit of Big Oak Mtn, N of lake 762 Comment
  SBBG122768  Caulanthus simulans A. Parikh 1990-4-27 160 Riverside SW of Crown Valley, W or Rawson Cyn, 1.9 km SW of jct of Crown Valley Rd and Rawson Rd 730 Comment
  POM12639  Ceanothus cordulatus P. A. Munz 1922-7-7 6059 Riverside North Fork of Tahquiz Creek 2195 Comment
  CAS-BOT-BC48453  Ceanothus crassifolius Carl B. Wolf 1932-2-11 2648 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. west of Corona, base of Skyline Drive 405 Comment
  HSC98202  Ceanothus crassifolius C. L. Hitchcock 1966-3-15 24152 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  RSA605763  Ceanothus crassifolius Scott D. White 1996-3-16 3831 Riverside Lakeview Mts, N of Winchester, at 'Maze Stone' Picnic Area. SE-facing slope. 610 Comment
  UC1071022  Ceanothus crassifolius A. Lewis 1934-5-1 444 Riverside Ortega Hwy Elsinore quad, Cleveland Nat. For. 762 Comment
  UCR92455  Ceanothus cuneatus A. C. Sanders, S. Hawkins 1996-4-24 18075 Riverside San Bernardino Mtns, Morongo Indian Reservation, along dirt road in Hathaway Canyon, near Burro Flats 1159 Comment
  RSA755790  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2007-3-21 DOB 803 c Riverside San Jacinto Mountains at intersection of Chimney Flats Road and USFS Road 5S13, 2.8 road miles from highway 243 via Toll Gate Road, Apela Drive, and USFS roads 5S24 and 5S13, 4.57 kilometers 257 degrees true west-southwest of Idyllwild. 1440 Comment
  RSA783161  Ceanothus greggii var. perplexans J. D. Olmsted 1962-5-3 3502 Riverside S of southern Quercus Keloggii population on Thomas Mt. 1616 Comment
  CAS-BOT-BC51283  Ceanothus leucodermis Carl B. Wolf 1932-5-24 3656 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1 mi. above Fish Hatchery 792 Comment
  POM305701  Ceanothus leucodermis Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1038 Riverside Hemet-Anza, Bautista Creek Road. Comment
  SD7232  Ceanothus leucodermis Daniel Cleveland May 1882 Riverside Temecula Comment
  UCR160061  Ceanothus leucodermis Steve Boyd, Valerie Soza 2004-6-22 11553 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along Forest Service Road 5N13 near 5N06 1463 Comment
  RSA16498  Ceanothus oliganthus Percy C. Everett 1935-6-18 7209 Riverside 0.5 mi. below (N) Main Divide motorway. 1280 Comment
  RSA569995  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7910 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  RSA606736  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27416 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  RSA606753  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27413 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  UCR93033  Ceanothus ophiochilus Steve Boyd, T. S. Ross 1993-3-23 7890 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agua Tibia Mtn., Agua Tibia Wilderness area, Cleveland National Forest, along trail extending S from end of Woodchuck Rd. 671 Comment
  CAS-BOT-BC63466  Ceanothus palmeri Carl B. Wolf 1941-8-12 11142 Riverside San Jacinto Mts. 3.5 mi. nw. Idylwild on Dark Canyon Rd. 1645 Comment
  RSA769824  Ceanothus palmeri E. W. Lathrop 1969-5-9 7033 Riverside Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1220 Comment
  UC219297  Ceanothus perplexans P. A. Munz and I. M. Johnston 1922-5-19 5448 Riverside Keen Camp San Jacinto Mts. 1524 Comment
  LA44949  Ceanothus tomentosus W. Pequegnat; 1939-8-11 35 Riverside Santa Ana Mountains, Sky line drive Comment
  UCR138817  Ceanothus tomentosus subsp. olivaceus D. L. Banks 1997-2-17 1284 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  POM14281  Ceanothus tomentosus var. olivaceus P. A. Munz 1922-4-30 5131 Riverside St. John's Grade, south of Hemet. Comment
  RSA221096  Ceanothus tomentosus var. olivaceus E. W. Lathrop 1966-3-23 6092 Riverside Santa Ana Mountains: Corona between Tin Mine Canyon and Santiago Peak, Skyline Drie. Comment
  SBBG4566  Ceanothus tomentosus var. olivaceus H. and M. Dearing 1939-4-5 3089 Riverside 5 mi N of Beaumont Comment
  CAS-BOT-BC334493  Cenchrus setaceus Lynn Sweet; Chris E. True 2009-12-3 s.n. Riverside Peninsular Range/Sonoran Desert; Santa Rosa Mtns: UC Boyd Deep Canyon Reserve, center of wash in Deep Canyon, 0.25 mile from end of road 335 Comment
  RSA598145  Cenchrus spinifex D. L. Banks, Lauren Raz 1996-8-29 1133 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; Along Los Caballos Road, approximately 0.5 m S of Hwy. 79, 100 m N of the Golf Course access road;, along the E side of the road under the drip irrigation line to a vineyard. 399 Comment
  UCD130044  Centaurea melitensis Charles B. Fiker 1946-6-17 3584 Riverside San Mateo Canyon. Falbrook. Comment
  UCR115138  Centaurea melitensis Mitch Provance 2000-10-28 2273 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  CLARK-A1528-180  Centaurea solstitialis John C. Roos 1951-9-25 5253 Riverside Riverside Comment
  CLARK-A1528-2946  Centaurium venustum John C. Roos 1952-6-13 5766 Riverside Reche Canyon 457 Comment
  RSA209603  Centaurium venustum Robert Eaton 1968-5-13 680513 -11 Riverside Tenaja Rd. 8.5 miles from Washington St. Murietta. Sandia Canyon. 305 Comment
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Apr 20 2008
  CAS-BOT-BC279120  Centromadia pungens subsp. laevis D. Bramlet 1989-8-7 1938 Riverside Southwest corner of Lake Elsinore, 700m. northwest of Rome Hill, just off private drive (Lucerne St.?), some 400m. east of Grand 428 Comment
  RSA674918  Cerastium glomeratum Scott D. White 2000-5-1 7738 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  RSA543837  Cerastium glomeratum Steve Boyd, Orlando Mistretta 1991-5-22 6288 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA585630  Cerastium glomeratum D. L. Banks, Steve Boyd 1995-3-15 0065 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
  UCR93067  Ceratonia siliqua A. C. Sanders 1995-12-19 17937 Riverside University of California, Riverside. Botanic Garden 400 Comment
  RSA405359  Cercidium floridum A. Menke 1955-4-26 s.n Riverside Mecca. Comment
  RSA784724  Cercidium floridum Duncan S. Bell 2012-3-18 3212 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  CAS-BOT-BC135456  Cercocarpus betuloides var. betuloides L. R. Abrams 1908-7-21 s.n. Riverside Santa Ana Mountains, near Elsinore Comment
  UC1127850  Cercocarpus betuloides var. betuloides R. St. John 1929-3-27 18 Riverside Snow Creek 914 Comment
  SEINET10543169  Cercocarpus ledifolius David B. Dunn 1946-8-17 Dunn 2721 Riverside Along trail 0.25 miles to hidden lake from round meadow 2441 Comment
  UCR123791  Cercocarpus ledifolius var. intermontanus Steven R. Hill, K. Kramer and family 2001-4-26 33469 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
  RSA495438  Cercocarpus minutiflorus Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2965 Riverside Vail Lake area, lower slopes of Oak Mountain 1.5 mi WSW of lake. 488 Comment
  HSC79241  Cercocarpus montanus var. glaber Miles Fellows 1985-3-12 Riverside UCR botanic garden, original site across from ranger station in Lytle Creek Canyon, San Gabriel Mtns. at 2700 ft. Comment
  SDSU14065  Chaenactis artemisiifolia Jonathan S. Austin, Michael G. Simpson 2002-4-20 17 Riverside Near parking area off Tornado road adjacent to riparian area north of Santa Margarita river, Santa Margarita Ecological Reserve. 233 Comment
  UCR44420  Chaenactis artemisiifolia A. C. Sanders, B. G. Pitzer 1986-4-30 6478 Riverside San Jacinto Mtns, Bee Cyn, along the road [Bee Canyon Truck Trail], 1.1 miles above mouth of canyon at the San Jacinto River Valley 710 Comment
  SBBG87840  Chaenactis carphoclinia A. C. Sanders, B. Pitzer 1986-3-3 6110 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S Chuckawalla Mtns, T6S, R16E, S28 487 Comment
  CHSC106490  Chaenactis carphoclinia var. carphoclinia T. Stoughton; J. McConnaughy, D. Monks, M. volke 2010-4-21 154 Riverside Colorado Desert; Little San Bernardino Mountains region: N of Desert Center, Jct of Hwy 177 and Kaiser Rd. W of Kaiser Rd. N of Hwy 177. 335 Comment
  JOTR30662  Chaenactis carphoclinia var. carphoclinia Andre, Jim, Tasha La Doux 2008-3-21 8839 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 Comment
  OBI23318  Chaenactis fremontii Robert F. Hoover 1969-4-14 11228 Riverside Palm Springs, just S of South City limit Comment
  POM351695  Chaenactis fremontii N. C. Cooper 1944-4-23 1122 Riverside Banning 701 Comment
  RSA678217  Chaenactis fremontii Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1084 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 Comment
  RSA717622  Chaenactis fremontii Scott D. White, Andrea Warniment 2006-3-29 11275 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  UC566687  Chaenactis fremontii H. L. Mason 1928-3-11 4328 Riverside near Indio Comment
  UC579464  Chaenactis fremontii H. S. Yates 1936-4-7 5426 Riverside near Whitewater; San Jacinto 304 Comment
  UCR167061  Chaenactis fremontii Scott D. White 2005-3-29 10837 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UCR240990  Chaenactis fremontii Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 57 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  UCR243165  Chaenactis fremontii LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4320 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  UCR84636  Chaenactis fremontii Scott D. White, S. Ogg 1994-4-21 1990 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR154452  Chaenactis glabriuscula A. C. Sanders, Mike Misenhelter 2005-6-15 30963 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
  UCR174246  Chaenactis glabriuscula A. C. Sanders, T. B. Salvato 2006-6-2 33072 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  CAS-BOT-BC277402  Chaenactis glabriuscula var. glabriuscula Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  RSA314460  Chaenactis glabriuscula var. glabriuscula R. F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55458 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA351768  Chaenactis glabriuscula var. glabriuscula J. D. Olmsted 1962-5-10 3646 Riverside Crest between Sandia Creek and DeLuz Creek drainages 259 Comment
  UCR122543  Chaenactis glabriuscula var. glabriuscula George K. Helmkamp, E. A. Helmkamp 2001-5-20 6673 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  JOTR33930  Chaenactis stevioides La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2820 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  RSA0013752  Chaenactis stevioides April Garbat, Sarah J. De Groot 2013-3-27 29 -b Riverside Hwy 177 N of Hwy 10, N of Palen Pass Rd. On E side of the road 398 Comment
  RSA0105668  Chaenactis stevioides Duncan S. Bell 2010-4-2 713 Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; aproximately 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
  UC1563113  Chaenactis stevioides Steve Boyd and Orlando Mistretta 1986-3-13 1426 Riverside ne of Desert Center (jtn of Parker Dam Rd and 'Palen Rd' (rd going through pass between Palen and Granite Ranges)); Palen Mountains 243 Comment
  RSA778523  Chamaesyce Amber Swanson, Linda Jean Foster 2011-10-8 625 Riverside Jct of Blythe Rice Rd and Hwy 62. 287 Comment
  RSA232934  Chamaesyce maculata Lewis S. Ross 1967-12-19 67179 Riverside La Quinta. 15 Comment
  POM188401  Chamaesyce micromera Marcus E. Jones 1925-9-7 s.n. Riverside Palm Springs Comment
  POM126252  Chamaesyce polycarpa var. hirtella Thos. Craig 1927-4-2 19 Riverside Canyon near Hidden Springs. Comment
  RSA433506A  Chamaesyce polycarpa var. polycarpa Ora M. Clark 1929-3-2 1593 Riverside Near Alberhill Comment
  RSA432499B  Chamaesyce setiloba M. French Gilman 1940-1-22 4030 Riverside Smoketree Canyon. 305 Comment
Read comments
Sep 29 2011
  RSA685685  Cheilanthes clevelandii Norman C. Cooper 1944-5-6 1193 Riverside Banning. 701 Comment
  UC71520  Cheilanthes clevelandii Miss Alice King 1892-1 Riverside Comment
  UCR144101  Cheilanthes clevelandii Scott D. White 1998-2-7 6070 Riverside Agua Tibia Mtns, N boundary of USFS Agua Tibia Wilderness, c. 1 air mi south of the Hwy 79 junction with Woodchuck Road 640 Comment
  POM12432  Cheilanthes covillei F. M. Reed 1917-6-3 3931 Riverside Main Street Canyon , South of Corona Comment
  POM12437  Cheilanthes newberryi Philip A. Munz 1922-4-30 5127 Riverside Hemet Butte Comment
  UC42540  Cheilanthes newberryi Mrs. Gregory 1891-1 Riverside San Jacinto Mts Comment
  UCR114760  Cheilanthes newberryi Scott D. White, D. E. Bramlet 1999-4-22 7235 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UC399593  Cheilanthes parryi S. B. Parish 1907-4-18 6113 Riverside Palm Springs; Colorado Desert Comment
  RSA685829  Cheilanthes viscida I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, Little Palm Canyon fork 305 Comment
  SEINET3090329 Image available Chenopodiastrum murale Leland R. Dykes 1962-3-25 3 Riverside 4831 Rubidoux Ave., Riverside. Comment
  RSA741602  Chenopodium Justin M. Wood 2008-9-22 160 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  CDA3005  Chenopodium amaranticolor A. C. Sanders, Mitch Provance, T. B. Salvato, B. G. Pitzer 2000-11-3 23723 Riverside Riverside, UCR campus, east side of the UCR Botanical Garden Comment
  CLARK-A1528-5122  Chenopodium ambrosioides var. anthelminticum John C. Roos 1965-8-4 Riverside Comment
  SD82781  Chenopodium atrovirens H. A. Wahl 1966-9-17 21803 Riverside San Jacinto Mountains, 1 mile n. of Idyllwild 1676 Comment
  SD239701  Chenopodium berlandieri A. C. Sanders, D. L. Sanders 2008-9-27 36106 Riverside San Bernardino Valley Region: Santa Ana Riverbottom at Norco, between Corydon Av. (Fire St. 21) and a point NW of Vine St. and Halfmoon Ct. intersection, c. 1 mile NE of River Road bridge (Corona North 7.5'Q) 164 Comment
  UCR118176  Chenopodium berlandieri Mitch Provance 1998-6-11 648 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  SD129245  Chenopodium fremontii G. K. Helmkamp 1989-10-7 79 Riverside San Jacinto Mountains. Depression beside Hwy 243 near Lawlor Lodge, about 2 miles N of Pine Cove. 1600 Comment
  UC7266  Chenopodium hians H. M. Hall 1901-6-24 2253 .1 Riverside Fuller's Mill San Jacinto Mountains 1767 Comment
Read comments
Sep 20 2011
  UCR115154  Chenopodium missouriense Mitch Provance 2000-10-14 2256 Riverside Jurupa Mtns., Crestmore area, along the south side of El Rivino Rd., c. 0.4 miles north of Crestmore Quarries. 287 Comment
  UCR82221  Chenopodium murale J. M. Stewart 1994-5-2 842 Riverside Western Colorado Desert, Coachella Valley, Thermal. Hwy 86 & Avenue 60 Comment
  CAS-BOT-BC414254  Chenopodium rubrum R. E. Riefner, Jr. 2011-10-16 11 -146 Riverside City of Lake Elsinore, W of Hwy. 74, S side of Temescal Wash, N side of Baker St., vicinity of Bromley Ave. at Baker St. 380 Comment
  SD46673  Chilopsis linearis P. C. Everett, E. K. Balls 1956-5-2 21560 Riverside Southwest Eagle Mountains, 3.1 miles north from junction with Highway 60/70 along road to Lost Palms Canyon 715 Comment
  SD84926  Chilopsis linearis Nancy Ryan Zabriskie, Walter Zabriskie 1970-3-28 275 Riverside East slope San Jacinto Mountains,North Canyon just above juncture with Andreas Canyon 349 Comment
  UCSB24505  Chilopsis linearis McMinn, Howard 1935-6-27 Riverside Palm Springs Comment
  RSA125464  Chilopsis linearis subsp. arcuata E. K. Balls, P. C. Everett 1957-8-20 22665 Riverside Morongo Canyon, 9 1/4 mi n. along rd. to 29 palms for jct. with U.S. Hwy. 60/70/99 671 Comment
  UC27836  Chilopsis linearis subsp. arcuata H. M. Hall June, 1901 2112 Riverside e. base San Jacinto Mts. Colorado Desert, e. base San Jacinto Mts. Comment
  UC887877  Chilopsis linearis subsp. arcuata Lewis S. Rose 1935-12-22 35682 Riverside Palm Canyon Wash Colorado Desert, Palm Canyon Wash 182 Comment
  UCR94644  Chilopsis linearis subsp. arcuata Scott D. White 1996-5-27 4075 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  RSA0078224  Chloris virgata Sarah J. De Groot, Amy Rouillard 2015-9-15 7562 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  UCR182819  Chloris virgata R. E. Riefner Jr. 2006-9-19 06- 447 Riverside Peninsular Range, Temecula Valley, along I-15 Freeway near Temecula Creek 301 Comment
  RSA796015  Chorizanthe brevicornu Duncan S. Bell 2009-4-18 249 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 Comment
  UCR41543  Chorizanthe brevicornu var. brevicornu A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6011 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  UCR147605  Chorizanthe coriacea Rashmi Pant, D. L. Banks 1996-5-13 1024 Riverside Peninsular Ranges: Palomar Mts region, NW Palomar Mtns. Agua Tibia Mountians. Foothills south of Hwy 79; east of the Dripping Spring Campground; along xeric ridge, approximately 100mi east of the Dripping Springs Guard Station Comment
  RSA503430  Chorizanthe fimbriata J. D. Olmsted 1962-5-10 3662 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  SEINET7249062  Chorizanthe leptotheca Lee A. Ripma 2008-1 Riverside Comment
  UCR213618  Chorizanthe parryi var. parryi A. C. Sanders, Matthew Malle 2010-4-23 38012 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR102868  Chorizanthe polygonoides subsp. longispina A. C. Sanders 1997-3-26 20120 Riverside Lake Skinner area, NW foot of the Tucalota Hills, 0.2 mi. east of main Skinner entrance road on a dirt service road 473 Comment
  UCR266337  Chorizanthe polygonoides subsp. longispina D. E. Bramlet 1993-5-4 2337 Riverside Peninsular Range; Gavilan Hills area, south of Lake Mathews, SE of Black Rocks & NW of Monument Peak 474 Comment
  UCR217541  Chorizanthe polygonoides var. longispina Diane Menuz 2008-4-4 391 Riverside Peninsular Range, Palomar Mountains. And 0.5 mi down Woodchuck Rd. from national forest boundary 719 Comment
  CLARK-A1528-3603  Chorizanthe procumbens John C. Roos 1937-5-2 1802 Riverside La Sierra Comment
  RSA614097  Chorizanthe procumbens D. L. Banks 1997-4-5 1700 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 670 Comment
  UCR48515  Chorizanthe staticoides Steve Boyd 1986-5-1 1812 Riverside S slopes of Bachelor Mtn, east end of Lake Skinner Comment
  SEINET9809164 Image available Chorizanthe wheeleri Sharon J. McCormick 1976-5-24 Riverside Santa Cruz Island, Channel Islands, Wash near field station Comment
  CAS-BOT-BC248060  Chorizanthe xanti var. leucotheca S. B. Parish 1907-4-19 6168 Riverside Palm Springs, Western edge of the Colorado Desert 200 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
  UCR150652  Chrysothamnus paniculatus Bern Schwenn 1994-10-30 s.n. Riverside Joshua Tree National Monument, Little San Bernardino Mtns, near mouth of E tributary of Little Morongo Canyon. In and out of Joshua Tree National Monument Comment
  CLARK-A1528-1739  Chrysothamnus teretifolius John C. Roos 1942-10-24 2577 Riverside Joshua Tree National Park 1523 Comment
  UCR269847  Chylismia brevipes A. C. Sanders, Jim Malusa 2016-3-18 42375 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UCSB4422  Chylismia claviformis Gill, Robert 1960-3-23 Riverside about 1 mi up Snow Canyon from road to Palm Springs; San Jacinto Mt Range 396 Comment
  CDA37651  Chylismia claviformis subsp. aurantiaca T. C. Fuller 1962-4-4 7996 Riverside Highway 99 [later renumbered Highway 86] to Indio, 1.3 miles north of Oasis. 0 Comment
  SBBG5104  Chylismia claviformis subsp. aurantiaca C. H. Muller 1952-4-6 9507 Riverside 1 mi N of S gate to Joshua Tree Nat Monument Comment
  UCR182533  Cichorium intybus Mitch Provance 2003-7-4 4643 Riverside San Bernardino Valley, Riverside, Monticello Ave. near the canal, between Driftwood and Conway Drives 226 Comment
  CAS-BOT-BC287959  Cirsium occidentale var. californicum John Thomas Howell 1931-5-31 6601 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  CAS-BOT-BC286461  Cirsium scariosum Cecil Hart 1922-5-21 26 Riverside San Jacinto Mt. Comment
  RSA740254  Cirsium vulgare Scott D. White, Justin M. Wood 2008-7-9 12410 Riverside San Jacinto Mountains: Johnson Meadow 1415 Comment
  SD187343  Cirsium vulgare Scott D. White, Angelia Carey 2004-5-7 10337 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  UCR21850  Cirsium vulgare Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  CAS-BOT-BC438666  Cistanthe ambigua Lewis S. Rose 1937-4-10 37150 Riverside La Quinta. Alt. sea level. 0 Comment
  CAS-BOT-BC438967  Cistanthe monosperma Winifern W. Swarth 1914-9-10 s.n. Riverside Tahquitz Valley, San Jacinto Mts. 2438 Comment
  CAS-BOT-BC228717  Cistanthe umbellata H. M. Hall 1901-7-1 2352 Riverside San Jacinto Mountains. In open forests of Tauquitz [Tahquitz] Valley 2438 Comment
  UC20307  Clarkia dudleyana H. M. Hall June 1901 2265 Riverside in canyons of the w side San Jacinto Mountains 1524 Comment
  UCD104884  Clarkia purpurea A. C. Sanders; T. B. Salvato 2001-5-3 24088 Riverside Perris-Aguanga Basin region. Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley. 494 Comment
  CSUSB230  Clarkia purpurea subsp. quadrivulnera R. Thomasson 1973-5-30 Riverside Box Springs Mountains Box Springs Mountains; Big C turnoff. 0.6 miles from Box Springs Mountain Road. 777 Comment
  JEPS1949 Image available Clarkia purpurea subsp. quadrivulnera H. M. Hall 1905-6-3 6240 Riverside vicinity Riverside (e base of mountain); Box Springs Mt.; Eastern base of Box Springs Mt., vicinty of Riverside 533 Comment
  RSA802419  Claytonia parviflora Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5020 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  POM307315  Claytonia parviflora subsp. parviflora Henry J. Ramsey, Henry J. Ramsey 1938-4-22 224 Riverside Santa Rosa Mts. Comment
  POM307263  Claytonia parviflora subsp. tenuifolia Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2123 Riverside Santa Rosa Mountains. Comment
  RSA586804  Claytonia parviflora subsp. viridis D. L. Banks, Steve Boyd 1995-5-3 0241 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
  OBI30244  Clematis lasiantha C. L. Weidert 1966-2-9 6 -Jan Riverside Santa Ana cyn 200 yds E of Orange-Riverside county line, across from Green river Golf course Comment
  CAS-BOT-BC92824  Clematis pauciflora Annie M. Alexander; Louise Kellogg 1941-5-4 2115 Riverside Joshua Tree National Monument. Near Reservoir. Barker Dam. 1310 Comment
  RSA291596  Clematis pauciflora C. W. Tilforth, Walter Wisura 1979-4-11 1787 Riverside Hills on south side of Lake Skinner, east of Murrieta. 427 Comment
  RSA585795  Clematis pauciflora D. L. Banks, S. D. Boyd 1995-5-9 422 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
  SD137655  Clematis pauciflora Darin L. Banks, Steve Boyd 1995-3-16 93 Riverside Cleveland national forest, Agua tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 512 Comment
  UCR107383  Clematis pauciflora B. G. Pitzer 1997-3-23 2959 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
  RSA0020488  Clematis pauciflora W. Hutchinson 1926-4-1 s.n. Riverside Palm Springs. Comment
  UCR177947  Collinsia Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 037 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  SD73630  Collinsia concolor Helen V. Witham 1970-5-1 845 Riverside steep north slope, Bautista Canyon, southeast of Hemet 800 Comment
  UCR195133  Collinsia concolor A. C. Sanders, Tim Thomas 2008-8-1 35961 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  UCR22065  Collinsia heterophylla Steve Boyd 1980-4-27 152 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  CLARK-A1528-5723  Colubrina californica John C. Roos 1960-4-8 Riverside Chuckwalla Mountains Comment
  RSA554247  Colubrina californica Theo Glenn 1991-5-14 91 -46 Riverside W side of Little Maria Mountains, NW of Blythe. 309 Comment
  UCSB61501  Colubrina californica Sanders, A.; Lawlor, E. 1992-4-4 Riverside Within 1/2 mile of McCoy Spring; alluvial slopes below and to the south and canyon bottom above the spring. 243 Comment
  HSC83072  Condalia globosa var. pubescens A. C. Sanders, et al. 1986-3-1 6042 Riverside W side of Chuckwalla Mtns, 9 miles S of Hwy I-10 on the Gasline Road, 2 mi. airline S of the Model Mine 579 Comment
  SBBG71927  Condea emoryi R. C. and J. R. Robbins 1933-2-15 Riverside Tahquitz Cyn Comment
  HSC85248  Conium maculatum Steve Boyd 1986-4-22 1727 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  UC1931131  Convolvulus arvensis Scott D. White, Justin Wood 2008-6-17 12162 Riverside San Jacinto Mountains: Garner Valley- Kenworthy Station (USFS) Butterfly Peak. Comment
  RSA496361  Convolvulus simulans Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3035 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain 549 Comment
  UCR120655  Convolvulus simulans D. E. Bramlet, P. Jacks, S. Goode 1989-4-6 1810 Riverside Perris-Aguanga Basin, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR22133  Convolvulus simulans Steve Boyd 1980-3-22 297 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. 640 Comment
  UCR228842  Convolvulus simulans A. C. Sanders 2011-4-26 39320 Riverside Peninsular Range, Alberhill Mountain, along dirt track parallel to Coal Ave./Nichols Rd. 432 Comment
  UCR102819  Conyza bonariensis A. C. Sanders 1997-3-19 20062 Riverside Lake Skinner area, upper Rawson Canyon, west of Black Mountain, along the road from Lake Skinner 549 Comment
  UCR92650  Conyza coulteri F. M. Reed 1907-10-16 1971 Riverside Sheep ranch at head of Mockingbird Canyon, at crossing of Elsinore Road, foothills SE of Riverside 457 Comment
Read comments
Oct 6 2017
  UCR58456  Cordylanthus nevinii George K. Helmkamp 1989-10-7 s.n. Riverside Peninsular Range; San Jacinto Mtns, roadside beside Hwy 243 near Lawlor Lodge, c. 2 mi north of Pine Cove 1600 Comment
  UCR227723  Cordylanthus rigidus Duncan S. Bell, Joy England 2010-6-7 1274 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 3 air miles southeast of the junction of Hwy 74 and Forest Service Road 5S15 1057 Comment
  SD129529  Cordylanthus rigidus subsp. setiger G. K. Helmkamp 1989-10-7 Riverside Edge of moist farmland at the N edge of the fish hatchery in Whitewater Canyon, N of I-10 700 Comment
  UCR108473  Coreopsis A. C. Sanders, D. Woodard, K. C. Rose 1995-3-22 16195 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  RSA33573  Coreopsis californica Norman C. Cooper 1944-3-25 1024 Riverside Cabazon. 457 Comment
  RSA770693  Coreopsis californica Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4794 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA801945  Cornus sericea subsp. occidentalis LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6175 Riverside Logan Creek, north of the community of Pine Cove, and just west of road (5S09). 1799 Comment
  RSA234020  Crassula aquatica R. F. Thorne, E. W. Lathrop 1969-6-6 39318 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado. 624 Comment
  UCR76167  Crassula aquatica A. C. Sanders 1993-4-1 13666 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  HSC85412  Crassula connata Steve Boyd 1986-4-2 1630 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA0121172  Crassula connata Duncan S. Bell, LeRoy Gross 2016-3-30 9178 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  UCR137499  Crassula connata D. L. Banks, V. W. Steinmann 1997-3-13 1528 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
  UCR150443  Crassula connata John F. Green 2005-2-14 s.n. Riverside Moreno Valley, Lasselle St. at Ironwood Ave., N of the 60 Fwy 564 Comment
  UC11287  Crassula connata var. erectoides W. H. Brewer 1861-1-29 143 Riverside Temescal Mtns Comment
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Aug 19 2010
  CAS-BOT-BC181563  Crossosoma bigelovii A. C. Sanders; K. Rose 1995-4-5 16349 Riverside Alluvial slopes and foothills S of Mission Creek and E of Hwy 62 - San Bernardino Mtns./Coachella Valley 701 Comment
  CAS-BOT-BC181567  Crossosoma bigelovii Roxana S. Ferris 1953-3-10 12600 Riverside Whitewater Canyon, about 2 miles north of Whitewater Post Office Comment
  CAS-BOT-BC181568  Crossosoma bigelovii Annie M. Alexander; Louise Kellogg 1941-2-28 1877 Riverside Andreas Canyon, San Jacinto Mountains 365 Comment
  JOTR30645  Crossosoma bigelovii La Doux, Tasha, Erin Babich 2008-4-21 1806 Riverside Joshua Tree National Park. Stop 4-Little San Bernardino Mountains, Upper East Deception Canyon 1233 Comment
  JOTR28932  Croton californicus La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1168 Riverside Joshua Tree National Park. Eagle Mountains, southeast end near Pinto Wells 316 Comment
  RSA775625  Croton californicus Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 1005 Riverside Road circling Sheep Hole Valley Wilderness, NS569 at junction with Hwy 62 on east side of NS569 along washlets. 396 Comment
  SDSU13531  Croton californicus W. Miller with C. Mosse 1972-7-12 Riverside West of M.W.D. Station. Comment
  UC56533  Croton californicus F. Gilman 1902-1 46 Riverside Palm Springs Comment
  UC868669  Croton californicus Alice Eastwood 1913-4-30 3089 Riverside Palm Springs Comment
  UCR156091  Croton californicus T. B. Salvato, Kent Beaman 2005-5-16 803 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
  POM20904  Croton californicus var. mohavensis W. R. Dudley 1903-12-28 s.n. Riverside Palm Springs Station Comment
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Sep 5 2011
  RSA557319  Crypsis vaginiflora Julie Greene, Steve Boyd, David E. Bramlet, H. Flores, H. Ochoterana 1993-7-9 1431 Riverside San Jacinto Wildlife Area. 433 Comment
  RSA773183  Cryptantha Duncan S. Bell, Joy England 2010-5-27 1135 Riverside San Bernardino National Forest: Garner Valley, approximately 1 air mile southeast of junction of forest service road 6S04 and forest service road 6S13. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1354 Comment
  UCR193744  Cryptantha A. C. Sanders, Mitch Provance 2008-7-11 35747 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  SEINET7042764  Cryptantha W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Lakeview Mountains on Juniper Flat Road. Lakeview quadrangle UTM Zone 11, 489935mE, 3735502mN. Comment
  UCR85434  Cryptantha angustifolia George K. Helmkamp 1994-4-26 88 6 Riverside Western Colorado Desert, Indio Hills; north of the landfill on Edom Hill 213 Comment
  SEINET10455562  Cryptantha barbigera A. K. Evans 1976-4-13 Evans 5186 Riverside Rocky slopes of Santa Rosa mountains. Comment
  JOTR34338  Cryptantha barbigera var. fergusoniae Andre, Jim 2012-4-11 20681 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
  SDSU20599  Cryptantha barbigera var. fergusoniae Ronald B. Kelley 2006-3-11 981 Riverside North of I-10 at West Palm Springs along Tamarck Road from Pacific Crest Trail crossing east 0.1 miles to Cottonwood Road junction. 418 Comment
  UC1929957  Cryptantha barbigera var. fergusoniae Scott D. White, Justin Wood 2008-6-16 12144 Riverside San Jacinto Mountains: Meadow at Quinn Flat. Comment
  UCR24507  Cryptantha costata L. F. LaPre 1981-4-14 s.n. Riverside Coachella Valley, Palm Desert; 2 mi north of junction of Monterey Ave. & Country Club Dr. Comment
  UCR200397  Cryptantha dumetorum Tasha La Doux, Jim Andre 2008-3-21 149 Riverside Eastern Mojave Desert, Joshua Tree National Park, Lower Wilson Wash along NE side of paved road 853 Comment
  UCR244861  Cryptantha inaequata Jim Andre 2012-3-19 21382 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  CLARK-A1528-332  Cryptantha intermedia Ellen Predmore 1971-5-3 Riverside Gilman Hot Springs 457 Comment
  RSA499709  Cryptantha intermedia Ora M. Clark 1929-4-6 1938 Riverside W. San Jacinto Comment
  UC64407  Cryptantha intermedia H. M. Hall 1899-5-1 1161 Riverside Van Deventer's San Jacinto Mountains 1371 Comment
  UCR133047  Cryptantha intermedia Jeri Hirshberg 1989-3-20 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, c. 0.5 mile (air) south of Mesa de Burro, just north of Mesa de la Punta 610 Comment
  UCR16165  Cryptantha intermedia R. P. Sunderman 1968-4-17 2 Riverside Campus of University of California, Riverside. 396 Comment
  GMDRC6540  Cryptantha intermedia var. intermedia J. M. Andre 2012-6-15 30492 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  RSA782530  Cryptantha intermedia var. intermedia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38373 Riverside southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg ) of intersection of I-15 and Lake St. 465 Comment
  SDSU21023  Cryptantha juniperensis A. C. Sanders 2012-4-12 40027 Riverside Peninsular Range: Santa Ana Mtns. Region: Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 100 m SE of El Hermano Rd. (Lake Mathews 7.5' +/- 100m). Sandy californicus, Bromus diandrus. 314 Comment
  JOTR33862  Cryptantha maritima La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3053 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; rocky basalt slopes above Pinto Wash 377 Comment
  RSA703480  Cryptantha maritima var. maritima LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1425 -a Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  SDSU18679 SDSU18679
Image available
Cryptantha maritima var. maritima Kristen Hasenstab, M. G. Simpson 2008-4-1 45 Riverside In Fan Canyon, just inside the boundary for Joshua Tree National Park. Located in a wide desert wash. 607 Comment
  POM305855B  Cryptantha micrantha Henry J. Ramsey 1938-4-23 1165 -B Riverside Santa Rosa Mtns. Comment
  RSA653544  Cryptantha micrantha var. lepida Scott D. White 1999-5-24 7379 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  RSA594505  Cryptantha microstachys D. L. Banks, Rashmi Pant 1996-5-13 1016 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; In a small spring in oak woodland, approximately 1 km E of the Dripping Springs Guard Station, S of Hwy. 79 536 Comment
  RSA613426  Cryptantha muricata D. L. Banks 1997-4-5 1666 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  UCR13433  Cryptantha muricata P. M. Hasegawa 1973-5-20 s.n. Riverside San Jacinto Mtns, North Shore of Lake Hemet, in an area about 100-200 m north of the middle public parking lot. 1646 Comment
  UCR177998  Cryptantha muricata S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  RSA0079245  Cryptantha muricata var. jonesii D. L. Banks, S. D. Boyd 1995-5-3 217 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  JEPS67814  Cryptantha racemosa W. L. Jepson 1927-4-12 11675 Riverside Painted Canyon Colorado Desert, Mecca Hills 76 Comment
  POM72365  Cryptantha racemosa Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  RSA80747  Cryptantha racemosa F. W. Peirson 1921-3-23 2377 Riverside Deep Canyon south of Coachella Valley 335 Comment
  UCR89668  Cryptantha racemosa Bern Schwenn 1994-2-13 s.n. Riverside Colorado Desert/Santa Rosa Mtns., 'wet fork' Agua Alta Canyon 640 Comment
  SD134490  Cryptantha utahensis Craig Reiser 1992-4-11 Riverside Palms to Pines Highway, rocky desert slope overlooking Desert Bighorn Institute Comment
  UCR16097  Cryptantha utahensis Loretta Bates 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Box Canyon Road, 1 mi. north of Painted Canyon Road and 5 mi. north of Mecca. Comment
  RSA479905  Cycloloma atriplicifolium Steve Boyd 1987-5-9 2087 Riverside City of Riverside, J.V. Boyd residence, 2307 Oak Crest. Comment
  RSA662434  Cycloloma atriplicifolium J. C. Roos 1965-9-26 s.n. Riverside In Indio. Comment
  RSA0114881  Cylindropuntia Marc A. Baker, Michelle Cloud-Hughes 2011-12-19 17510 Riverside Corn Springs Wash, 830 m ENE of Aztec Spring, 12 km SSE of Desert Center, north side of Chuckwalla Mountains, 84 km east of Indio. 498 Comment
  JOTR31921  Cylindropuntia bigelovii La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2163 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; west Pinkham Wash, west of Pinkham Canyon Road; sandy gravel flats near road Comment
  SEINET11044078 Image available Cylindropuntia californica var. parkeri Marc A. Baker, Emily Mastrelli 2015-4-20 18330 Riverside The Badlands 600m SSW of the intersection of San Timoteo Canyon Road and Redlands Blvd., 23 km ENE of central Riverside, 20 km SE of central San Bernardino 567 Comment
  UCR1087  Cylindropuntia californica var. parkeri Peter De Gano 1970-5-11 700511- 04 Riverside city of Riverside, University of California campus, just south of Perimeter Road 305 Comment
  SEINET5624483 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-4-10 17536 .1 Riverside North side of Chuckwalla Mountains, 1.7km NNE of Chuckwalla Spring, 57km west of Blythe, Chuckwalla Spring 7.5' USGS topographic quadrangle 498 Comment
  LA204499  Cylindropuntia munzii A. C. Sanders; et. al. 1986-3-2 6147 Riverside Arroyo Seco, along Bradshaw Rd. 5.2 mi. W of Graham Pass Rd., S side of the Chuckwalla Mountains Comment
  RSA0107281  Cylindropuntia ramosissima Marc A. Baker, Michelle Cloud-Hughes, Glenn Rink, Dina Robertson, Neal Kramer 2011-5-1 17303 Riverside 57 km WSW of Blythe, 4.2 km NE of Chuckwalla Spring, bajada on north side of east end of Chuckwalla Mountains, 6 km NW of Graham Pass. 403 Comment
  UCR78630  Cyperus eragrostis Scott D. White 1992-9-11 794 Riverside Vicinity of Gilman Hot Springs, north side of San Jacinto River & a thin strip trending north of the river & west of the Hot Springs 459 Comment
  RSA522108  Cyperus erythrorhizos Steve Boyd, Timothy S. Ross 1989-8-28 3801 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UC306115  Cyperus laevigatus Crawford and Johnston 1917-6-8 16 Riverside Santa Ana R. near Corona; Santa Ana R. Comment
  RSA596541  Cyperus odoratus Darin L. Banks, Lauren Raz 1996-8-29 1144 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Arroyo Seco, N of Wildhorse Peak, before the drainage bends to the S. 548 Comment
  RSA613957  Cyperus odoratus A. C. Sanders 1994-7-27 15164 Riverside Riverside: Santa Ana River between the San Bernardino County line and the Market Street Bridge. 246 Comment
  UCR113586  Cyperus odoratus A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23680 Riverside Santa Ana River Valley, SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river 232 Comment
  UCR41433  Cyperus odoratus Scott Cantrell, W. Appleby 1985-9-19 s.n. Riverside Santa Ana River Regional Park. south side of the river 207 Comment
  UCR101430  Cyperus parishii A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22234 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Millard Canyon 841 Comment
  CAS-BOT-BC70572  Cystopteris fragilis Carl B. Wolf 1932-8-5 3974 Riverside San Jacinto Mts., summit of San Jacinto Peak 3293 Comment
  JEPS35182  Cystopteris fragilis Carl V. Meyer 1928-7-26 535 Riverside Deer Springs; San Jacinto Mt. 2651 Comment
  RSA607912  Cystopteris fragilis L. C. Wheeler 1961-6-20 7887 Riverside West fork of Tahquitz Creek. 2378 Comment
  CAS-BOT-BC198201  Cytisus striatus A. C. Sanders; Chet McGaugh 1991-7-19 11142 Riverside Murrieta Hot Springs, large vernal pool on the S side of Murrieta Hot Springs Road, E of Via Princesa & N of Calle del Lago 347 Comment
  UCR42742  Dactylis glomerata B. G. Pitzer, Karen Kirtland 1986-5-20 225 Riverside Butterfield Stage Ranch development, in the hills on the north side of Pauba Valley in the Rancho California area, 1 mi south of Buck Mesa on the east side of Butterfield State Road 457 Comment
  UCR235348  Dalea Kai T. Palenscar 2010-7-22 s.n. Riverside Riverside, UCR Agricultural Operations fields, near office off M.L. King Blvd., along main E-W road beside canal 311 Comment
  POM14018  Dalea mollis P. A. Munz 1922-4-8 4738 Riverside Mecca, Colorado desert. -30 Comment
  RSA681031  Dalea mollis Scott D. White, Michael Honer 2003-5-14 9263 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA91430  Dalea mollis F. W. Peirson 1932-3-22 9811 Riverside 20 miles North of Blythe on the road to Needles, Eastern Riverside. 152 Comment
  RSA480074  Dalea mollissima Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2167 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA517825  Dalea mollissima Steve Boyd, Orlando Mistretta 1986-3-13 1443 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UC1176848  Dalea mollissima Lewis S. Rose 1959-1-10 59007 Riverside La Quinta 15 Comment
  JOTR00878  Dalea mollissima Sipe, Frank 1958-3-10 235 Riverside Joshua Tree National Park. PINTO BASIN Comment
  SBBG94884  Datisca glomerata B. Pitzer, B. L. Phillips 1988-7-1 1480 Riverside S of Vail Lake, N of Hwy 79, between Kolb and Arroyo Seco Crks, ca. 0.25 mi W of Dripping Springs Guard Station 487 Comment
  UCR199562  Datisca glomerata Scott D. White 2004-4-26 10268 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  RSA709692  Datura discolor M. B. Dunkle 1935-4-17 4562 Riverside W. of Wiley Well. Colorado Desert. Comment
  RSA619540  Daucus pusillus D. L. Banks 1997-5-5 1989 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  SDSU2268  Daucus pusillus H. Wedberg 1962-5-23 934 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  UCR171908  Daucus pusillus John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  UCR174459  Daucus pusillus A. C. Sanders 2006-5-19 32386 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
  SEINET7838966 Image available Deinandra fasciculata H. M. Hall 1904-5-30 4966 Riverside Vicinity of Riverside 366 Comment
  SD51775  Deinandra kelloggii Rimo Bacigalupi, G. T. Robbins 1954-5-16 4465 Riverside Along road from Valverde eastward to gLakeview, on western slope of the Bernasconi Hills. 424 Comment
  SD87675  Deinandra kelloggii F. W. Peirson 1924-6-21 Riverside Temescal Canyon. Comment
  UCR256518  Deinandra paniculata R. E. Riefner Jr. 2013-4-21 13- 68 Riverside City of Riverside, Moreno Valley, west of Box Springs Mountains, east of 215 Fwy, general vicinity of Morton Ave. and Box Springs Ave. 482 Comment
  JEPS100887  Delphinium parishii subsp. parishii Dean W. Taylor 1998-5-13 16431 Riverside Aguanga Valley, mouth of Temecula Creek, on hillslopes just south of Highway 79 609 Comment
  RSA50296  Delphinium parryi E. K. Balls 1949-5-4 13478 Riverside Cajalco Road, road to Lake Mathews, Gavilan Hills. 2 miles from Corona to Elsinore Highway. Comment
  RSA717581  Delphinium parryi A. C. Sanders 2004-4-9 27463 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks. 488 Comment
  SD143767  Delphinium parryi A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20696 Riverside San Jacinto Mountains: N side of range, Twin Pines Creek below the confluence with Broen Crk. 854 Comment
  UCR174549  Delphinium parryi Jennifer H. Jones 2006-6-6 401 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  UC162675  Delphinium parryi subsp. maritimum H. M. Hall 1897-4-3 424 Riverside Winchester Comment
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Mar 20 2011
  SD152771  Delphinium patens subsp. hepaticoideum Steve Boyd 1992-4-15 6862 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek 334 Comment
  UCR281118  Delphinium patens subsp. montanum Mitch Provance 2017-5-10 517- 98 Riverside San Bernardino Mountains, Banning Canyon, along Banning Canyon Rd. (FS Route 2S01), S side of San Gorgonio River, 1 mile N of Roan Pk. 1277 Comment
  SD217340  Dendromecon rigida Tim Ross, Laurel Arnseth 1990-3-30 3955 Riverside Vail Lake area, granitic ridge at South end of Black Hills south of 'Big' Oak Mountain. 730 Comment
  UCR133399  Dendromecon rigida Tracy Tennant, J. S. Ross 1998-5-7 MOR- 108 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  UC1265369  Deschampsia danthonioides Robert F. Thorne and Earl Lathrop 1969-5-12 37950 Riverside Rancho California Santa Rosa Plateau, Mesa de Colorado, Rancho California 624 Comment
  RSA86763  Deschampsia danthonioides var. gracilis F. W. Peirson 1922-5-19 3022 Riverside 10 miles northeast of Murrieta. Comment
  UC10810  Descurainia obtusa subsp. adenophora H. M. Hall 1901-6 2623 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  CLARK-A1656-708  Descurainia pinnata Theo Glenn 1979-2-11 Riverside San Jacinto Mountains 365 Comment
  RSA697471  Descurainia pinnata Mary Edmunds 1932-3-26 s.n. Riverside Mc Intyre Ranch-Oasis Coachella Valley. Comment
  SBBG28426  Descurainia pinnata D. Myrick 1964-4-30 835 Riverside Palms to Pines (St Hwy 74), 10 mi W of Palm Desert Comment
  RSA770415  Dicentra chrysantha Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4885 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  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
  SEINET12045058  Dichelostemma capitatum N. C. Cooper 1944-1 1002 Riverside Cabazon 457 Comment
  RSA501061  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3178 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  POM184344  Dicoria canescens Thos. Craig 1932-1-10 1794 Riverside In Wash, Cathedral Canyon, Colorado Desert. 122 Comment
  UCR109774  Dicoria canescens R. D. Goeden, Don W. Ricker 1985-10-12 s.n. Riverside Sonoran Desert, c. 7 mi. south of Granite Pass, west side of Desert Center-Rice Road (Hwy 177), 21.8 miles north of Desert Center, 5.1 miles south of junction with Highway 62 285 Comment
  CAS-BOT-BC292249  Dieteria asteroides var. asteroides Durant; Street 1918-5-13 1 Riverside Near Hemit [Hemet] 335 Comment
  SD139995  Diplacus brevipes Scott White 1993-4-22 1227 Riverside North Alberhill Ranch, in hills N of Walker Canyon 487 Comment
  RSA799919  Ditaxis californica Justin M. Wood, D. M. Ray 2011-4-28 3853 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  POM87299  Ditaxis claryana Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  RSA339251  Ditaxis neomexicana R. F. Thorne, Rolf Dahlgren, Gertrud Dahlgren 1979-8-23 53606 Riverside Pinto Basin RoadL Cholla Garden 1098 Comment
  SD143928  Ditaxis neomexicana G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2702 Riverside Little Maria Mountains, Colorado desert, Midland road, 3.8 miles SE of Midland Comment
  UCR72204  Ditaxis neomexicana Theo Glenn 1991-5-22 91- 73 Riverside Sonoran (Colorado) Desert, Arica Mountains, SW of Rice. 309 Comment
  VVC648  Ditaxis neomexicana P. J. MacKay 1997-2-8 103 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  UCD142301  Ditaxis serrata var. californica C. W. Tilforth 1976-7-20 1211 Riverside Colorado Desert. Along power line road N.E. of Chiriaco Summit between Indio and Desert Center Comment
  RSA510057  Dithyrea californica B. Pitzer, Steve Myers, J. Wilkinson 1988-2-21 598 Riverside S end of Coxcomb Mtns, 0.2 mi. N of Hwy 177 (Old Desert Center - Rice Road), 10.6 mi. NE of Desert Center. 229 Comment
  RSA778622  Dithyrea californica Duncan S. Bell 2009-3-8 63 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  UCR154542  Downingia Jason L. Hlebakos 2005-5-18 707 Riverside Santa Rosa Plateau, Mesa de Burro in the research area 602 Comment
  POM12950  Downingia cuspidata I. M. Johnston 1922-5-19 5380 Riverside Menifee Valley. 412 Comment
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Oct 6 2009
  PASA303  Downingia immaculata Frank W. Peirson 1922-4-29 Riverside Field south of Lake Elsinore 380 Comment
  RSA709974  Draba cuneifolia Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4592 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA708420  Draba verna Scott D. White, James Huelsman 2005-2-18 10787 Riverside Anza. Just East of Cary Rd. and N. of Hwy 371. 1143 Comment
  IRVC138  Dryopteris arguta R. H. Whittaker, W. A. Niering 1963-6-6 SJ 249 Riverside San Jacinto Mountains; Indian Creek. Peninsular Ranges 640 Comment
  IRVC144  Dryopteris arguta Ken Ellis 1965-4-24 HS 529 Riverside Ortega Highway; Upper San Juan Creek Camp. Santa Ana Mountains Comment
  SEINET10794022  Dryopteris arguta George Yatskievych, K. G. Preston, Mafham 1981-4-26 Yatskievych 81 -143 Riverside State Highway 74, 5.8 mi. SW of El Carizo Guard Station. San Juan Canyon; Santa Ana Mountians. T06S R05W S31 - NE4. 500 Comment
  UC2059985  Dudleya abramsii K. Nakai 1981-1-22 703 Riverside San Bernardino Mountains, N shore of Lake Baldwin, 1.4 mi E of junction of Highway 18 & 38 on Highway 18. Comment
  SBBG119390  Dudleya lanceolata A. C. Sanders, T. B. Salvato 2003-5-21 26788 Riverside Wildomar, old ranch parcel SE of Wesley St and SW of Laguna Rd, W of Orange St, NE of Palomar St 402 Comment
  SD70422  Dudleya lanceolata W. L. Jepson 1914-5-25 6069 Riverside San Gorgonio Pass. 550 Comment
  POM66435  Dyssodia porophylloides Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  CAS-BOT-BC334247  Echeveria A. C. Sanders 2010-5-23 38426 Riverside Riverside, yard at 5081 Magnolia Ave., at corner of Chapman Place. Comment
  SEINET8060018 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-8 6 Riverside 3.8mi down Eagle Mt. Rd. off I-10. SE side of the road. 400 Comment
  RSA0125620  Echinocereus engelmannii var. engelmannii Marjorie Shaw 1916-03 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC32714  Echinocereus engelmannii var. munzii P. A. Munz; I. M. Johnston 1922-5-21 5570 Riverside Field redacted by CAS, contact the data manager for more information 1417 Comment
  CAS-BOT-BC197012  Echinochloa colona Malcom A. Nobs; S. Galen Smith 1948-9-3 488 Riverside Imperial Valley. 2 miles north of Indio Comment
  RSA192242  Echinochloa crus-galli H. A. Zuill 1966-7-17 291 Riverside About 9 miles SW of Murrieta on the De Luz Road. Comment
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Jan 23 2009
  RSA289863  Eclipta prostrata B. A. Prigge 1980-12-15 4111 Riverside Coachella Valley Stormwater Channel: 3 miles S of Mecca where Lincoln Street crosses channel. -67 Comment
  GMDRC6548  Ehrendorferia chrysantha J. M. Andre 2012-6-15 30500 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  SEINET270227 Image available Ehrharta erecta A. C. Sanders, O. F. Clarke 1996-2-17 17952 Riverside Residence of O.F. Clarke 1012 Spruce Street 305 Comment
  POM211569  Elatine brachysperma P. A. Munz 1941-5-18 16664 Riverside north end of Santa Rosa Ranch, Elsinore Mountains. 854 Comment
  RSA623564  Eleocharis engelmannii R. E. Riefner 1998-10-15 98 -522 Riverside Menefee-Paloma Valley Comment
  RSA500196  Eleocharis montevidensis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3548 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  CAS-BOT-BC113295  Eleocharis parishii A. C. Sanders; Mitch Provance; T. B. Salvato 2001-5-7 24170 Riverside Perris-Aguanga Basin region: S of Hemet, E end of Kiamond Valley, along Gibbel Rd. 0.5-0.75 mi. E of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon. Helmet 7.5' Quad 548 Comment
  CAS-BOT-BC113296  Eleocharis parishii Steven D. Boyd; Aydee Virgen 2004-4-13 10880 Riverside San Mateo Canyon, midway between confluence with Los Almos and Tenaja Canyons. Comment
  UCR156351  Elymus glaucus T. B. Salvato, Kent Beaman 2005-5-16 876 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
  UCR240647  Elymus glaucus Tracy Tennant, Mitch Provance 1998-6-16 MOR- 413 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  UCR213878  Elymus hispidus Scott D. White, Justin M. Wood 2008-6-16 12123 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  RSA741029  Elymus stebbinsii Scott D. White, Justin M. Wood 2008-6-17 12152 Riverside South of Hwy 79 near Keen Camp Summit. 1402 Comment
  UCR201644  Elymus triticoides Scott D. White, Justin M. Wood 2008-6-17 12180 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  JEPS86533  Emmenanthe penduliflora Roy E. Buck 1988-4-1 870 Riverside 7 air km W Lake Elsinore (town) (E-facing slope above CA Hwy 74, near top of grade W of Lake Elsinore, ca 2.0 air km NW of confluence of Harlan Canyon and Johnson Canyon drainages); Elsinore Mountains 780 Comment
  POM14089  Emmenanthe penduliflora P. A. Munz, D. D. Keck 1922-4-13 4956 Riverside Eagle Mts, Colorado Desert. 213 Comment
  UCR279566  Emmenanthe penduliflora A. C. Sanders, Jim Malusa 2017-3-29 43174 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  RSA679112  Emmenanthe penduliflora var. penduliflora M. Wall, Sean Wall 2003-4-26 307 Riverside NE of Skinner Reservoir, Rawson Canyon, Rawson Rd. 2.7 miles from jct. with Washington Ave. Comment
  CHSC313  Encelia actoni E. Thomas 1949-4-9 Riverside Murietta. Comment
  HSC25923  Encelia actoni Richard Spjut 1972-1-20 2128 Riverside Colorado Desert; N base of the Chuckawalla Mtns. 305 Comment
  POM320503  Encelia actoni Patricia Wilder 1971-9-29 5280 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street. Valle Vista; east of Hemet; south side of river 518 Comment
  UC31391  Encelia actoni Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Southern California, San Jacinto Valley Comment
  UCR233574  Encelia californica A. C. Sanders, John F. Green 2012-3-26 39996 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, near I-15 Fwy crossing of Temescal Wash, west of Hostettler Rd. 395 Comment
  CAS-BOT-BC131349  Encelia farinosa Aven Nelson; Ruth Nelson 1939-3-24 3250 Riverside In the lower part of Palm Canyon Comment
  HSC88234  Encelia farinosa Elizabeth Neese 1979-4-10 7061 Riverside Joshua Tree National Monument S of Twenty-nine Palms, between Pinto Basin Jct. and Cottonwood Wash. 305 Comment
  RSA678416  Encelia farinosa Michael Wall 2003-4-15 334 Riverside Lamb Canyon west of Beaumont, off Hwy. 79, 5.2 mi. south jct. with 10 Fwy up dirt road at turnout along west side of Hwy. 602 Comment
  RSA771033  Encelia farinosa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4540 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET10618306  Encelia farinosa Billy Joe Cox 1975-4-23 Cox 4130 Riverside Palo Verde, 1-3 km. W, (ca. 32 mi. S of Blythe). Riverside-Imperial Counties. 70 Comment
  SEINET10958167  Encelia farinosa David B. Dunn 1946-2-22 Dunn 1969 Riverside Hidden Springs Canyon in the vicinity of the Palms. Comment
  UCR214283  Encelia farinosa var. farinosa A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37467 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCR251917  Encelia frutescens Jim Andre 2013-3-27 24845 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
  UCR277626  Encelia frutescens Aaron C. Sedgwick 2012-11-9 164 Riverside Mojave Desert, south of Needles, Chemehuevi Wash basin, west of Hwy 95 on Turtle Mountain Road 76 Comment
  CLARK-A1528-1810  Encelia virginensis John C. Roos 1943-5-23 2666 Riverside Little San Bernardino Mountains Comment
  NY70043  Ephedra aspera L. Abrams 1903-4-6 3204 Riverside Palm Springs station Comment
  RSA0098481  Ephedra californica Marc A. Baker, Michelle Cloud-Hughes 2015-3-26 18292 Riverside Chuckwalla Bench, 64 km WSW of Blythe, 3.9 km south of Augustine Pass. 660 Comment
  SEINET10389795  Ephedra californica A. C. Sanders, Jim Malusa 2015-3-9 41358 Riverside Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  SEINET3866917  Ephedra californica Lewis S. Rose 1955-3-14 55028 Riverside Whitewater Wash. 3 mi. se. of Palm Springs Station.; 0 305 Comment
  RSA0124029  Ephedra nevadensis Duncan S. Bell, LeRoy Gross 2016-3-10 8888 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
  NY70653  Ephedra trifurca R. S. Ferris 1958-3-19 13265 Riverside 2.1 miles osuth of Rice, on road to Midland and Blythe Comment
Read comments
Jun 2 2012
  RSA0030700  Ephedra trifurca J. Andre 2013-3-27 24810 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  UC1329984  Ephedra viridis James E. Cole 1941-4-10 509 Riverside Twin Tanks Joshua Tree National Monument, Twin Tanks Comment
  RSA787213  Epilobium angustifolium J. D. Olmsted 1959-7-18 766 Riverside N. fk. San Jacinto River drainage area. Dark Canyon above Hwy from Banning to Idyllwild (0.25 mi). 1723 Comment
  UCR116476  Epilobium campestre A. C. Sanders, T. B. Salvato 2001-5-25 24376 Riverside San Jacinto Valley, west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  UCR21167  Epilobium canum subsp. canum 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
  UCR3374  Epilobium canum subsp. canum John Minnich 1964-2-27 64-2-27- 01 Riverside Box Springs Mtns., Stone Face Canyon, 0.25 mi. past end of Two Trees Road and 1/2 mi. up side canyon above reservoir Comment
  UCR275273  Epilobium ciliatum T. B. Salvato, Gregg Miller 2005-6-7 1491 Riverside Peninsular Range, Gavilan Hills, Lindell (Stovepipe) Road north of Snake Road, c. 4.5 miles north-northwest of Lake Elsinore 640 Comment
  POM48731  Epilobium ciliatum subsp. ciliatum P. A. Munz, I. M. Johnston 1924-7-29 8830 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  SBBG94827  Epilobium densiflorum E. LaRue 1989-7-13 Riverside Santa Rosa Plateau, N side of Tenaja Rd where De Luz Crk crosses rd, NW of Mesa de Colorado Comment
  UCSB4335  Epilobium glaberrimum Kamb, Peter 1948-7-4 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  UC218658  Equisetum laevigatum P. A. Munz 1922-6-27 5837 Riverside Santa Rosa; Santa Rosa Mts. 1981 Comment
  RSA0011487  Equisetum palustre Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4994 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  CAS-BOT-BC204485  Eragrostis cilianensis H. M. Hall 1899-7-1 1366 Riverside Gavilan Hills 2 mi S.W., Perrin Comment
  RSA595260  Eragrostis curvula var. conferta D. L. Banks, Elizabeth Hedge Banks 1996-5-2 965 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; Along Los Caballos Road, approximately 0.5 m S of Hwy. 79, 100 m N of the Golf Course access road; along the W side of the road next to a citrus orchard. 399 Comment
  UCR278869  Eragrostis mexicana Mitch Provance 2012-11-10 17607 Riverside San Bernardino Valley, Riverside, Springbrook Creek (remnant) Fairmont Park, between the east side of Lake Evans and the west side of Market St. 245 Comment
  RSA314485  Eragrostis minor R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55366 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA543738  Eremalche exilis Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6032 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
  JOTR35345  Eremothera refracta Harding, Mitzi, Mark Wheeler 2012-2-28 112 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; large northeast flowing canyon (Stop 5) 268 Comment
  JEPS69015  Eriastrum densifolium subsp. austromontanum M. French Gilman 1921-1 747 Riverside San Jacinto Mts. Comment
  UCR126227  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-7-4 116 Riverside San Jacinto Mtns., Thomas Mtn. Road, 1.5 km west of Thomas Mtn. Campground, both sides of road 1939 Comment
  UC879943  Eriastrum diffusum subsp. coachellae Lewis S. Rose 1937-4-9 37104 Riverside Palm Springs. 137 Comment
  JOTR34196  Eriastrum eremicum subsp. eremicum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2989 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  CAS-BOT-BC514464  Eriastrum eremicum subsp. eremicum C. L. Hitchcock 1940-4-4 5963 Riverside Cottonwood Springs, Joshua Tree Nat. Monument Comment
  RSA0120092  Eriastrum eremicum subsp. eremicum C. L. Hitchcock 1940-4-4 5963 Riverside Cottonwood Springs, Joshua Tree National Monument. Comment
  CAS-BOT-BC257173  Eriastrum harwoodii Duncan S. Bell 2010-5-1 911 Riverside Arica Mountains: northwest of mountain range, approximately 6.5 air miles southwest of the ghost town of Rice, and approximately 5 air miles northwest of Priests Well 339 Comment
  RSA0110192  Eriastrum harwoodii Duncan S. Bell 2010-5-2 914 Riverside West side of the Arica Mountains; in main western drainage; approximately 2.5 air miles west of Priest Well. 417 Comment
  UCR233935  Eriastrum harwoodii Duncan S. Bell 2010-5-1 911 Riverside Sonoran (Colorado) Desert, Arica Mountains, NW of mountain range, c. 6.5 air miles SW of Rice and c. 5 air mi. NW of Priests Well 339 Comment
  UCR6423  Eriastrum sapphirinum Lloyd Clark 1967-6-14 s.n. Riverside 0.5 mi north of corner of Wood Rd. and Eschscholtzia St.., Woodcrest Comment
  SEINET12320626  Eriastrum sapphirinum C. W. Tilforth, Wisura, W. 1979-1 1900 Riverside Garner Valley at Lake Hemet, Hwy 74 1326 Comment
  RSA0121568  Eriastrum sapphirinum subsp. dasyanthum Scott D. White, Angelia Carey 2004-7-2 10569 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  GMDRC6582  Eriastrum sapphirinum subsp. sapphirinum J. M. Andre 2012-6-15 30544 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  RSA0122970  Eriastrum sapphirinum subsp. sapphirinum Scott D. White, Justin M. Wood 2008-6-16 12125 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  JOTR35438  Ericameria linearifolia Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 44 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop1) Comment
  POM359411  Ericameria linearifolia M. B. Dunkle 1933-5-6 3382 Riverside Colorado Desert. Dry Morongo Creek Comment
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Oct 31 2011
  SD90355  Ericameria linearifolia C. W. Tilforth 1973-4-29 780 Riverside Along Highway 74 between Alpine Village and Paradise Valley, 1 mile east of junction with Santa Rosa Muntain fire road. Comment
  CAS-BOT-BC298121  Ericameria nauseosa var. oreophila Philip A. Munz 1946-10-19 11572 Riverside Canyon at junction of Highway 74 and road to Old Santa Rosa Indian Village 1219 Comment
  UCR151123  Ericameria palmeri var. pachylepis Scott D. White 1998-10-9 7174 Riverside Peninsular Ranges/Santa Ana Mtns, Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction, and proposed for same 366 Comment
  UCR49992  Ericameria palmeri var. pachylepis S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  UC640280  Ericameria paniculata H. and M. Dearing 1939-11-11 4024 Riverside e of Banning (w edge of Colorado Desert); Colorado Desert Comment
  UCR182446  Ericameria parishii Mitch Provance 2003-7-4 4634 Riverside San Bernardino Valley, Riverside, Along Jackson St., between Audrey and Colorado Aves. 226 Comment
  JOTR16591  Erigeron breweri var. covillei Baker, James K. & Baker, Ilisa T. 1976-2-7 6 /17/1966 Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  UC217913  Erigeron foliosus var. foliosus P. A. Munz 1922-6-23 5785 Riverside Hemet Valley 1371 Comment
  UCR3498  Erigeron foliosus var. foliosus Frances Miller 1964-6-5 M 6428 Riverside Box Springs Mtns, end of Big Springs Rd, just above railroad. 396 Comment
  RSA724051  Eriochloa aristata R. E. Riefner 2004-7-31 4 -352 Riverside City of Hemet; along Florida Ave. (Hwy. 74) near Grant Ave. 547 Comment
  UC1087301  Eriodictyon crassifolium E. K. Balls and P. C. Everett 1957-11-4 22743 Riverside Snow Creek; n base San Jacinto Mts., Snow Creek 701 Comment
  JEPS46  Eriodictyon crassifolium var. crassifolium W. L. Jepson May 17 1901-Jun 1 1901 1257 a Riverside San Jacinto River San Jacinto Valley (San Jacinto Valley); , San Jacinto River 487 Comment
  UCR234761  Eriodictyon crassifolium var. crassifolium A. C. Sanders, John F. Green 2012-6-25 40310 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near Hostettler Rd. south of I-15, narrow canyon draining from vicinity of Palomino Creek Dr. at end of Calendula St. 376 Comment
  CAS-BOT-BC248630  Eriogonum apiculatum James L. Reveal; Caroline G. Reveal 1972-8-9 2861 Riverside San Jacinto Mountains, along California Highway 243, 4.4 miles north-northwest of Idyllwild, 8.9 miles north of the junction with Highway 74, and 1 mile south of Alandale Ranger Station Comment
  POM10464  Eriogonum apiculatum Charlotte M. Wilder 1909-7-13 930 Riverside Tahquitz Mts. Comment
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Jul 27 2008
  JOTR37478  Eriogonum baileyi var. baileyi Hodges, Stephen, T. Green 2016-5-5 599 Riverside Joshua Tree National Park. Little San Bernardino Mountains; canyons below Upper Covington Flats, southwest of Covington Crest trail (Stop 2) Comment
  SD95204  Eriogonum davidsonii G. L. Webster, R. Hildreth 1966-12-9 7452 Riverside Joshua Tree National Mon., parkland at Split Rock 1310 Comment
  UC534910  Eriogonum davidsonii Susan G. Stokes 1933-7-1 106 Riverside near Idyllwild; San Jacinto Mts. Comment
  UC6303  Eriogonum davidsonii H. M. Hall July, 1901 2624 Riverside vicinity of Strawberry Valley; San Jacinto Mountains 1584 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
  JOTR31983  Eriogonum deflexum var. deflexum La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2218 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; bouldery canyon with sandy wash bottom 731 Comment
  RSA0081621  Eriogonum deflexum var. deflexum Jim M. Andre 2012-4-11 20832 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  RSA517915  Eriogonum deflexum var. deflexum Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1333 Riverside Mecca Hills, Colorado Desert: Box Canyon, along Hwy 195. Comment
  UC66492  Eriogonum elongatum var. elongatum E. A. Zumbro 1904-1 429 Riverside Cold Water Canyon Santa Ana Mts., Cold Water Canyon Comment
  SEINET5440853 Image available Eriogonum fasciculatum Richard Carter 1984-12-18 3857 Riverside 13.8 mi SW of Anza city center on Hwy 371. Comment
  RSA133100  Eriogonum fasciculatum var. foliolosum Donald A. Johansen 1933-7-14 s.n. Riverside Mesa Mira. Comment
  LA206794  Eriogonum fasciculatum var. polifolium H. Lewis; 1935-4-6 sn Riverside Palm Springs 152 Comment
  RSA561115  Eriogonum fasciculatum var. polifolium Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-12 7320 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  RSA613164  Eriogonum fasciculatum var. polifolium Donald A. Johansen, J. A. Ewan 1932-4-10 7048 Riverside Warrens Ranch at Whitewater. Comment
  UCR20711  Eriogonum fasciculatum var. polifolium A. C. Sanders, Steve Boyd 1980-5-2 1448 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  CAS-BOT-BC253489  Eriogonum gracile Peter H. Raven; Sidney R. Snow 1956-6-30 9544 Riverside Deserty flats 1.7 miles west of Dripping Springs guard statoin on road to Temecula Comment
  CAS-BOT-BC253493  Eriogonum gracile James L. Reveal; Caroline G. Reveal 1972-8-9 2851 Riverside Along California Highway 74, at Strawberry Creek about 5.5 miles west of the junction with Highway 243, San Jacinto Mountains 868 Comment
  CAS-BOT-BC253497  Eriogonum gracile James L. Reveal; C. Rose Broome 1987-6-27 6614 Riverside Along Morris Ranch Road, 1.9 mile northeast of California Highway 74 and about 1.5 mile northeast of Kenworthy Guard Statoin, about 8 airline miles southeast of Mountain Center, San Jacinto Mountains 1584 Comment
  CAS-BOT-BC253498  Eriogonum gracile A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt 2010-5-17 38394 Riverside Southeastern Gavilan Hills north of Alberhill along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 502 Comment
  UCD100119  Eriogonum gracile D. E. Bramlet 2000-8-30 3077 Riverside Shipley Reserve; the site is an ephemeral draiange 213 m south of Auld Valley Creek and 915 m east of the Bachelor Mtn. access road. 451 Comment
  UCSB1429  Eriogonum gracile Munz, Philip; Johnston, D. 1928-9-12 Riverside Temescal Cyn Comment
  RSA561411  Eriogonum gracile var. gracile Steve Boyd, Tim S. Ross, Dave Bramlet 1992-9-9 7682 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek,, up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  UCR25809  Eriogonum gracile var. gracile John C. Roos 1937-7-12 1509 Riverside Reche Canyon 549 Comment
  UCR265026  Eriogonum gracile var. gracile Mitch Provance, Jeremiah George 2012-8-4 812- 38 Riverside Western Riverside County, Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero 752 Comment
  RSA500555  Eriogonum gracile var. incultum Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3606 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA741733  Eriogonum gracile var. incultum M. Wall 2008-10-6 495 Riverside San Jacinto Valley, Baustista Rd. south east of Hemet; Bautista Creek ca. 6.0 miles SE of Fairview Ave. 778 Comment
  CAS-BOT-BC257582  Eriogonum inflatum G. B. Grant No date on label 6789 Riverside Palm Springs, Colorado Desert Comment
  SEINET3087580 Image available Eriogonum inflatum John Adams 1965-4-17 135 Riverside Hwy 111, 2 mi. E of Palm Springs near foothills. 244 Comment
  SJSU9502  Eriogonum inflatum R. C. McGehee 1970-4-15 197 Riverside Wileys Well c. 6 mi SW of Blythe Comment
  UCR16537  Eriogonum inflatum K. Stolte 1978-5-25 s.n. Riverside Sonoran (Colorado) Desert, south side Hwy 111, at Windy Point; c. 5 mi. west of Palm Springs, Coachella Valley 300 Comment
  UC472765  Eriogonum inflatum var. deflatum M. F. Spencer 1918-4-13 Riverside In arenis, Palm Springs Colorado Desert, Palm Springs 125 Comment
  UCR1052  Eriogonum inflatum var. deflatum Christine Dorn 1971-4-15 s.n. Riverside Sonoran (Colorado) Desert, 5 miles east of Desert Hot Springs 396 Comment
  UC6360  Eriogonum molestum H. M. Hall July, 1901 2386 Riverside wooded slopes and benches of the s side San Jacinto Mountains San Jacinto Mountains 1615 Comment
  CAS-BOT-BC269781  Eriogonum nudum var. pauciflorum F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  UCR35089  Eriogonum nudum var. pauciflorum L. B. Ziegler 1967-8-30 232 Riverside San Jacinto Mtns., Upper Strawberry Valley under Lily Rock. 1982 Comment
  UCR5715  Eriogonum nudum var. pauciflorum Frank C. Vasek 1966-9-4 660904- 05 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1829 Comment
  SBBG1585  Eriogonum parishii H. and M. Dearing 1937-11-26 110 Riverside below Santa Rosa Spring Comment
  JOTR16817  Eriogonum plumatella Hogan, J. 1974-6-27 75 Riverside Joshua Tree National Park. ABOUT 0.75 MILES EAST OF EUREKA PEAK 1584 Comment
  SEINET182561  Eriogonum plumatella Carl B. Wolf 1932-10-11 4283 Riverside Morongo Wash at the San Bernardino Co. line, Riverside County. Lower Sonoran Zone. 732 Comment
  CAS-BOT-BC258239  Eriogonum pusillum John Thomas Howell 1928-3-9 3388 Riverside East end of bridge at Whitewater, Colorado Desert 396 Comment
  RSA226510  Eriogonum reniforme C. W. Tilforth, John Dourley 1971-4-15 348 Riverside Between Chiriaco Summit and Red Butte Wash along aqueduct maintenance road. Comment
  CAS-BOT-BC268552  Eriogonum saxatile Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  CAS-BOT-BC263533  Eriogonum thomasii S. B. Parish 1906-5-1 440 -6741 Riverside Colorado Desert at Palm Springs Comment
  CAS-BOT-BC263534  Eriogonum thomasii L. R. Abrams 1926-3-26 11015 Riverside Palm Springs Comment
  CAS-BOT-BC263537  Eriogonum thomasii Javier Penalosa 1963-4-10 2791 Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  CAS-BOT-BC263538  Eriogonum thomasii Peter Kamb 1948-4-11 876 Riverside Aqueduct Road 5 mi. east of Garnet, Coachella Valley 304 Comment
  JOTR35144  Eriogonum thomasii La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3256 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash (Stop 3) Comment
  RSA709924  Eriogonum thomasii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4584 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UC912800  Eriogonum thomasii Alice Eastwood 1913-4-30 3059 Riverside Palm Springs Comment
  UCR104611  Eriogonum thomasii B. G. Pitzer 1998-1-24 3392 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  POM122491  Eriogonum thurberi Marcus E. Jones 1926-2-15 s.n. Riverside Whitewater. Comment
  UC1032224  Eriogonum trichopes H. S. Yates 1937-6-28 6737 Riverside near Palm Springs; San Jacinto Quadrangle Comment
  UCR19426  Eriogonum wrightii var. subscaposum Harlan Lewis 1939-11-22 1018 Riverside San Jacinto Mtns., Idyllwild 1524 Comment
  CLARK-A1528-4626  Erioneuron pulchellum John C. Roos 1949-3-5 4088 Riverside Orocopia Mountains Comment
  UC69159  Erioneuron pulchellum H. M. Hall 1905-5-1 5961 Riverside canyons near Colorado River; Colorado Desert Comment
  UCR100210  Erioneuron pulchellum B. G. Pitzer 1997-10-19 3357 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  UCR202427  Eriophyllum confertiflorum 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
  UC1118327  Eriophyllum confertiflorum var. confertiflorum R. St. John 1931-3-28 200 Riverside Elsinore Plot #134 Elsinore Quadrangle 457 Comment
  UC1292309  Eriophyllum confertiflorum var. confertiflorum C. L. Hitchcock and C. V. Muhlick 1964-3-17 23106 Riverside 10 mi n Pala (on road to Elsinore) Comment
  RSA160884  Eriophyllum multicaule Peter H. Raven 1962-3-19 16916 Riverside State Highway 74, 1.6 miles northeast of junction with State 71, north of Elsinore. Comment
  RSA564292  Eriophyllum multicaule Ed LaRue 1993-5-10 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side of Hwy 215 457 Comment
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Dec 21 2010
  UCR213610  Eriophyllum multicaule A. C. Sanders, Matthew Malle 2010-4-23 38002 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR92384  Eriophyllum multicaule F. M. Reed 1930-4-8 6860 Riverside San Bernardino Mtns., Whitewater Canyon 610 Comment
  SEINET7042767  Eriophyllum multicaule W. P. Vestal, A. G. Vestal 1955-3-25 3476 Riverside Adenostoma chaparral, Lakeview Mountains on Juniper Flat Road. Lakeview quadrangle UTM Zone 11, 489935mE, 3735502mN. Comment
  UC101059  Eriophyllum wallacei M. F. Gilman 1904-1-1 6 Riverside Banning Comment
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Mar 13 2011
  RSA736033  Erodium brachycarpum Scott D. White, Jamie Minor 2008-3-13 11766 Riverside San Gorgonio Pass: Banning: S of Union Pacific RR, powerline route from Sunset Ave to 1 mile W. 732 Comment
  SBBG54326  Eryngium aristulatum var. parishii C. Davidson 1977-5-25 5653 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  CHSC105717  Erythranthe diffusa P. A. Munz; I. M. Johnston 1922-5-20 5467 Riverside Kenworthy, San Jacinto Mountains 1463 Comment
  SEINET13754614  Erythranthe diffusa B. Ertter, J. Strachan 1979-1 2975 Riverside Kenworthy Forest Station on Rt. 74 in Garner Valley, San Jacinto Mountains. Comment
  SD236423  Erythranthe guttata A. C. Sanders, Tim Thomas 2008-6-20 35551 Riverside Peninsular Range; San Jacinto Mtns.: May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCD96504  Eschscholzia androuxii Shannon M. Still; Carolyn Still, Steven Still 2009-3-28 511 Riverside California. Riverside County: Joshua Tree National Park. 623 Comment
  RSA0022936  Eschscholzia androuxii F. R. Fosberg 1983-4-23 64169 Riverside Whitewater Bridge. Comment
  RSA757448  Eschscholzia californica Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55227 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta 730 Comment
  UC56225  Eschscholzia californica H. M. Hall Apr. 1903 3713 Riverside Vicinity of Riverside 396 Comment
  UCR51681  Eschscholzia californica Lyman Benson 1952-4-8 14850 Riverside Sonoran (Colorado) Desert, 2 mi. west of Shaver Summit [Chiriaco Summit] east of Indio, U.S. Hwy 66 518 Comment
  POM10157  Eschscholzia californica var. peninsularis P. A. Munz, R. D. Harwood 1920-3-20 3369 Riverside 5 miles S of Corona 305 Comment
  HSC28464  Eschscholzia glyptosperma Richard Spjut 1973-4-6 3271 Riverside Colorado Desert, 4-5 mi. N of Palm Springs on Indian Ave. 152 Comment
  LA85614  Eschscholzia minutiflora Elizabeth McClintock; 1946-4-14 sn Riverside at foot of Pines to Palms Highway, to S of road near the two bridges Comment
  RSA747992  Eschscholzia minutiflora Scott D. White, Justin M. Wood 2009-4-28 12614 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  SEINET9367865  Eschscholzia minutiflora Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  CAS-BOT-BC419631  Eschscholzia parishii G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2735 Riverside Colorado Desert: Chuckwalla Mts. 10.6 mi SW of Chuckwalla Valley Rd. on Graham Pass Road Comment
  NY43342  Eschscholzia parishii C. R. Annable 1995-3-12 2270 Riverside Box Canyon Wash, Hwy 195 Comment
  UC724249  Eschscholzia parishii Aven and Ruth Nelson 1939-3-29 3320 Riverside near Palm grove; Hidden Spring Canyon Comment
  SD140093  Eucrypta chrysanthemifolia Scott White 1993-4-22 1265 Riverside North Alberhill Ranch, in hills north of Walker Canyon. 487 Comment
  RSA0123082  Eucrypta micrantha Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8975 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
  RSA703488  Eucrypta micrantha LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1427 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCR279411  Eucrypta micrantha A. C. Sanders, Jim Malusa 2017-3-25 42999 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  UCR51984  Eucrypta micrantha Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2175 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  RSA76931  Euonymus occidentalis var. parishii F. W. Peirson 1924-7-27 4983 Riverside Dark Canyon, San Jacinto Mts. 1768 Comment
  SD181548  Euphorbia Louis C. Wheeler 1952-4-5 6850 Riverside Neat Canyon east of Painted Canyon. Comment
  RSA0041458  Euphorbia eriantha Duncan S. Bell, LeRoy Gross 2014-3-20 6275 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  UC187061  Euphorbia eriantha S. B. and W. F. Parish Apr 1882 Riverside mountains back of Agua Caliente Colorado Desert (Andreas Canyon) Comment
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Jul 15 2009
  RSA0042828  Euphorbia jaegeri Duncan S. Bell, Deidre Conocchioli 2014-3-18 6250 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  UCR88156  Euphorbia ophthalmica A. C. Sanders 1994-11-8 15864 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Desert. Weeds in lawns & flower beds along a commercial strip on Hwy 111 between Hwy 74 & Sage Lane 46 Comment
  CLARK-A1528-2643  Euphorbia polycarpa S. C. Warner 1956-5-17 82 Riverside Riverside Comment
  POM214415  Euphorbia polycarpa var. hirtella E. C. Jaeger 1939-12-3 s.n. Riverside Canyon of Orocopia Mountains, south of Hayfield reservoir. 427 Comment
  SD215502  Euphorbia prostrata Louis C. Wheeler 1964-10-10 8634 Riverside 3300 Oak Ave. Corona. Comment
  JOTR35986  Euphorbia setiloba Harding, Mitzi, Mark Wheeler 2012-9-4 197 Riverside Joshua Tree National Park. Pinto Basin; active wash between rocky/ gravelly hills west of Pinto Mtn (stop 3) 479 Comment
  UC485618  Euthamia occidentalis R. L. Pendleton 1905-10-1 284 Riverside West Riverside 274 Comment
  CAS-BOT-BC167363  Fagonia laevis A. C. Sanders; K. Rose 1995-4-27 16739 Riverside Coachella Valley: foot of the Little San Bernardino Mtns., canyon E of Fan Hill, just outside Joshua Tree Nat. Park 550 Comment
  CAS-BOT-BC167367  Fagonia laevis Peter H. Raven 1958-1-23 11433 Riverside Desert alluvial fan of Fargo Canyon Comment
  CAS-BOT-BC167368  Fagonia laevis H. M. Hall 1905-4-1 5806 Riverside 10 miles west of Coachella. Colorado Desert 152 Comment
  JEPS43388  Fagonia laevis W. L. Jepson 1927-4-13 11685 Riverside ne of Mecca (mouth of Painted Canyon); Colorado Desert 45 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
  UCD107160  Fagonia laevis C. L. Hitchcock 1966-3-16 24209 Riverside Along Palms to Pines Highway, 4 mi. S. of Palm Desert. 609 Comment
  UCR91008  Fatoua villosa A. C. Sanders, Steve Morgan 1996-2-23 17955 Riverside Box Springs Mtns., UCR Botanic Garden. Comment
  UCR105434  Festuca microstachys A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20636 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR20858  Festuca microstachys A. C. Sanders 1978-6-20 885 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  UCR100166  Festuca myuros Scott D. White 1993-3-3 1086 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  UCR18397  Festuca myuros A. C. Sanders 1978-5-20 s.n. Riverside San Jacinto Mountains, James Reserve, above Lake Fulmor 1646 Comment
  UCR269898  Festuca myuros D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3656 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  RSA0126277  Festuca octoflora Duncan S. Bell 2016-3-4 8807 Riverside Orocopia Mountains; northwest section of the range, in a small canyon approximately 4 air miles north northwest of the Orocopia Mountain summit area. 622 Comment
  UC1930118  Festuca octoflora Scott D. White, Michael Honer 2003-4-4 8938 Riverside TEMESCAL CANYON: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. Comment
  RSA522702  Filago arizonica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3889 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
  UC1123324  Forestiera pubescens A. Lewis Mar 1934 331 Riverside 2 mi ne Auburndale; Corona Quad. 121 Comment
  CHSC4931  Fouquieria splendens R. Pierce Jr. 1967-4-12 48 Riverside 1/4 mi s of Choilz Cactus Park in Joshua Tree National Monument. Comment
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Jan 11 2007
  JOTR31874  Fouquieria splendens subsp. splendens La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2128 Riverside Joshua Tree National Park. Little San Bernardino Mountains; steep, gravelly, southwest facing slope above fork of Fargo and Rockhouse Canyons Comment
  UCR268290  Frangula californica subsp. cuspidata Jim Andre 2012-6-15 30533 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  UCR235057  Frankenia salina A. C. Sanders, John F. Green 2012-5-27 40203 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  POM12743  Fraxinus coriacea P. A. Munz 1922-6-24 s.n. Riverside Pipe Creek, Kenworthy 1524 Comment
  RSA715054  Fraxinus uhdei A. C. Sanders, T. B. Salvato 2003-5-21 26806 Riverside Elsinore Valley: Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR177659  Fraxinus velutina var. coriacea P. A. Munz 1922-6-24 5810 Riverside Peninsular Range; San Jacinto Mtns., Pipe Creek, near Kenworthy 1524 Comment
  RSA588190  Fremontodendron californicum subsp. californicum D. L. Banks, Victor W. Steinmann 1995-7-10 755 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, W of lower Arroyo Seco, SE of Wildhorse Peak. Along the drainage S of the peak ''Agua''. 915 Comment
  POM158458  Funastrum cynanchoides var. hartwegii P. A. Munz 1927-5-21 10871 Riverside 10 miles SW of Coahuila [now Cahuilla] Comment
  UCD121394  Funastrum cynanchoides var. hartwegii R. S. Woglum 1934-3-18 633 Riverside Central part of county. Snow Creek (north-west of Palm Springs). Comment
  JOTR28929  Funastrum hirtellum La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1167 Riverside Joshua Tree National Park. Eagle Mountains, southeast end near Pinto Wells 316 Comment
  RSA645641  Funastrum hirtellum Scott D. White 1999-4-20 7278 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe., 33 42 1/2'N, 114 34 91 Comment
  SD181719  Funastrum hirtellum Scott D. White 1999-4-20 7278 Riverside Southern foothills of the Big Maria Mountains, northwest of California Highway 95. 89 Comment
  UCR232395  Funastrum utahense Dave Silverman 2010-3-30 7881 Riverside Sonoran (Colorado) Desert, southern McCoy Mtns, east bajada flank, 800 m west of Black Creek Rd, 4.5 km north of I-10, and 8 km east of McCoy Peak 155 Comment
  LA208394  Galium andrewsii A. H. Lange; 1951-5-27 Riverside San Jacinto Mountains, 10 mi S. Hemet Lake Comment
  UCR131830  Galium angustifolium Jennie Phui 1998-5-30 039 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  UCR214310  Galium angustifolium A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38403 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
  POM367635  Galium angustifolium subsp. angustifolium E. A. McGregor 1964-6-10 s.n. Riverside On Highway 74, west of Elsinor. 915 Comment
  CAS-BOT-BC223053  Galium angustifolium subsp. gracillimum H. K. Wagnon 1944-5-25 402 Riverside Along Tahquitz Creek, alluvial fan of Tahquitz Canon [Canyon], Palm Springs Comment
  CAS-BOT-BC223054  Galium angustifolium subsp. gracillimum P. A. Munz; L. Street 1919-5-7 2729 Riverside Tahquitz Canon [Canyon] 243 Comment
  UC1329873  Galium angustifolium subsp. gracillimum James E. Cole 1941-5-29 818 Riverside end of Stubby Spring Road Joshua Tree National Monument 1432 Comment
  UCR189590  Galium angustifolium subsp. jacinticum Andrea Salzman 2006-6-29 156 Riverside Peninsular Range, San Jacinto Mountain Range, Pine Cove off of Red Hill Road, 0.1 mi south of Alvin Meadow 1566 Comment
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Feb 19 2017
  RSA613657  Galium aparine D. L. Banks, Victor W. Steinmann 1997-3-13 1463 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  JEPS52918  Galium californicum subsp. primum Lauramay T. Dempster and Clare Hardham 1965-6-18 4133 Riverside on road to Alvin Meadow from Idyllwild Comment
  UCR274316  Galium porrigens Jennifer H. Jones, Scott D. White 2005-5-25 94 Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately north of San Diego County line 579 Comment
  POM15038  Galium stellatum Mary F. Spencer 1922-4-3 589 Riverside Tahquitz Canyon, Palm Springs, Colorado Desert. 213 Comment
  RSA735213  Galium stellatum var. eremicum Steve D. Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11235 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UC889025  Galium stellatum var. eremicum C. L. Hitchcock 1940-3-30 5870 Riverside Cottonwood Spring Comment
  LA40319  Garrya flavescens J. Warren; 1952-5-26 sn Riverside 10 mi. S of Lake Hemet 1066 Comment
  CAS-BOT-BC158024  Garrya veatchii James R. Shevock 1976-11-24 5386 Riverside in the chaparral along California highway 74 near El Cariso Station. Santa Ana Mts., Cleveland National Forest 670 Comment
  UCR26712  Gastridium ventricosum Frank C. Vasek 1980-6-10 800610- 02 Riverside Greenhouse at UC Riverside from clay collected in a vernal pool near San Diego, Calif. Comment
  POM122259  Gayophytum diffusum subsp. parviflorum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  CDA4079  Genista monosperma A. Catterson 2002-2-25 s.n. Riverside Perris-Aguanga Basin region.; Orangecrest area of southeast Riverside, 17120 Cole Ave. Comment
  CAS-BOT-BC303573  Geraea canescens Alice Eastwood 1913-4-30 3056 Riverside Palm Springs Comment
  CAS-BOT-BC303577  Geraea canescens Carl B. Wolf 1932-4-27 3066 Riverside Colorado Desert. 16 miles E of Desert Center 121 Comment
  CAS-BOT-BC303578  Geraea canescens Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center Comment
  OBI2987  Geraea canescens Lewis S. Rose 1967-12-20 67183 Riverside 6 mi SE of Thousand Palms 15 Comment
  RSA652943  Geranium carolinianum Mitch Provance 1998-4-25 1126 Riverside Jurupa Mountains: City of Fontana, Jurupa Hills Regional Park, E to SW traversing canyon just S of Martin Tudor Park, and along the W edge of Sierra Blvd. 366 Comment
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Oct 5 2016
  RSA0103445  Gilia Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8563 Riverside Garner Valley; west side of the highway, approximately 3.75 air miles southeast of Lake Hemet. 1370 Comment
  UCR139152  Gilia S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1128 Comment
  RSA12924  Gilia angelensis C. B. Wolf 1935-4-7 6314 Riverside 2 miles SW of Perris, in the Gavilan region. 427 Comment
  RSA768654  Gilia angelensis Justin M. Wood 2010-3-19 1427 Riverside Beaumont: Near Smith Creek, E of Sun Lakes off S Highland Home Rd. 747 Comment
  UC880101  Gilia angelensis 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
  UCR180589  Gilia angelensis Scott D. White, Angelia Carey 2004-4-5 9989 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR260599  Gilia angelensis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41547 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns., Temescal Canyon, south of Indian Truck Trail along DePalma Road, S of I-15 near drainage structure 365 Comment
  RSA597804  Gilia angelensis Scott D. White 1996-3-31 3871 -A Riverside Elsinore Basin Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 439 Comment
  UCR97490  Gilia australis A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19891 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  UCR193894  Gilia capitata A. C. Sanders, Mitch Provance 2008-7-11 35797 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
  RSA470269  Gilia capitata subsp. abrotanifolia N. C. Cooper 1944-5-21 1221 Riverside San Jacinto Mountains, West side 915 Comment
  UCSB46698  Gilia capitata subsp. abrotanifolia Leen, Rosemary 1977-5-29 Riverside San Jacinto Mts.; Highway 243, south of Twin Pines Road turnoff 1219 Comment
  RSA586861  Gilia diegensis D. L. Banks, S. D. Boyd 1995-5-3 0280 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
  UCR259197  Gilia diegensis Mitch Provance, Jeremiah George 2012-4-24 412- 02 Riverside San Gorgonio Pass, Smith Creek SW of Banning, west of the west end of Bobcat Rd. 734 Comment
  UCR33727  Gilia latifolia Faulkner 1978-4-28 520 Riverside Eastern Colorado Desert, West Riverside Mountains, 9 mi. [SW] of Vidal 457 Comment
  RSA0016276  Gilia ochroleuca subsp. exilis I. W. Clokey, E. G. Anderson 1935-4-16 6831 Riverside East of Hemet. 600 Comment
  RSA0017106  Gilia ochroleuca subsp. exilis P. A. Munz 1926-4-30 10376 Riverside Near Temecula. Comment
  IRVC27470  Gilia scopulorum A. C. Sanders, E. J. Lawlor 1992-4-4 12145 Riverside McCoy Mtns, within 0.5 mi of McCoy Spring Colorado Desert 244 Comment
  RSA778252  Gilia stellata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 919 A Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  UCR216212  Gilia stellata Jim Andre, T. La Doux 2009-2-25 10826 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  UCR79214  Githopsis diffusa subsp. candida Steve Boyd, T. S. Ross 1992-5-4 7178 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 732 Comment
  CLARK-A1528-2365  Githopsis specularioides John C. Roos 1950-4-22 4750 Riverside Reche Canyon 822 Comment
  UCR145075  Glinus lotoides A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27909 Riverside Peninsular Range, Alberhill Mountain, SE of old clay mining area 448 Comment
  UC73217  Glycyrrhiza lepidota Miss M. Alice King May, 1893 Riverside Elsinore River Comment
  UCR98674  Gnaphalium californicum S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  UCR130262  Gnaphalium leucocephalum Robert Noll 2003-9-24 s.n. Riverside San Jacinto River at Lake/Main St. crossing, east edge of San Jacinto 488 Comment
  UCR234241  Gnaphalium leucocephalum A. C. Sanders, T. B. Salvato 2012-4-27 40086 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. near I-15 crossing and mouth of Mayhew Cyn. 314 Comment
  RSA356656  Gnaphalium palustre R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47311 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  RSA678953  Gnaphalium palustre Scott D. White, Michael Honer 2003-6-3 9455 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR34923  Gnaphalium stramineum L. B. Ziegler 1968-7-17 331 Riverside San Jacinto Mtns, Hemet Valley. On shore of Lake Hemet, c. 50 ft. from waters edge 1357 Comment
  UCR92794  Gnaphalium stramineum Scott D. White, M. Wilcox 1995-7-11 3466 Riverside Peninsular Range; Santa Ana Mtns., upper forks of Decker Canyon, SW of Main Divide Truck Trail 730 Comment
  UCR98700  Gnaphalium stramineum S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  RSA430050  Guillenia lasiophylla Robert L. Dressler 1949-3-19 424 Riverside Coxcomb Mountains, 23 miles NE of Desert Center Comment
  CAS-BOT-BC304634  Gutierrezia californica Lewis S. Rose 1945-12-26 45330 Riverside Palm Springs 137 Comment
  POM359189  Gutierrezia californica H. de Forest, Jack Rempel 1933-10-29 18654 Riverside Snow Creek Canyon. 655 Comment
  SD48519  Gutierrezia californica E. K. Balls, P. C. Everett 1957-11-4 22744 Riverside Snow Creek, north base San Jacinto Mountains. 700 Comment
  SDSU16684  Gutierrezia sarothrae Francis H. Bozzolo 2006-4-16 6 Riverside Santa Margarita Ecological Reserve, southern end, NNW of residence building, slope immediately behind avocado grove between 2 gullies. 229 Comment
  UC2029948  Harpagonella palmeri Steve Boyd 2001-4-12 10414 Riverside GAVILAN HILLS REGION: Southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta. Comment
  UCR260534  Harpagonella palmeri T. B. Salvato 2014-5-29 8048 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  RSA0066605  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-19 3036 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain. 549 Comment
  SEINET1004366  Hedysarum coronarium Walter Graves 2003-1 530 -6 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields. 305 Comment
  CAS-BOT-BC211542  Helianthemum scoparium A. C. Sanders; Mike Misenhelter 2005-3-23 29272 Riverside Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd., Wildomar 7.5' Q, Santa Ana Mts. 701 Comment
  SBBG45071  Helianthus californicus I. W. Clokey with E. G. Anderson 1935-8-21 6934 Riverside N fork of San Jacinto River 1500 Comment
  JEPS15722  Helianthus gracilentus Peter H. Raven and S. R. Snow 1956-6-30 9525 Riverside on road to Elsinore 2.5 mi from Alberhill Comment
  UCR19739  Helianthus gracilentus W. W. Mayhew 1977-10-1 s.n. Riverside San Jacinto Mtns., [Hwy 243] 1 mi SE of Poppet Rd. 1341 Comment
  UCR3836  Helianthus gracilentus John Minnich 1964-6-5 640605- 02 Riverside Santa Ana Mtns, Hwy 74 610 Comment
  CLARK-A1528-1912  Helianthus niveus subsp. canescens John C. Roos 1962-4-3 Riverside Palm Springs Municipal Airport 121 Comment
  SDSU14183  Heliotropium curassavicum Michelle Perl, Michael Simpson 2002-4-20 14 Riverside Santa Margarita Ecological Reserve 1/8 mile east of the junction between Santa Margarita River and Via Tornado Road. North of Santa Margarita River. 229 Comment
  UC218032  Heliotropium curassavicum P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4880 Riverside vicinity of Corn Springs; Colorado Desert, Chuckwalla Mts. 457 Comment
  RSA0078220  Heliotropium curassavicum var. oculatum Sarah J. De Groot, Amy Rouillard 2015-9-15 7558 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  UCR35180  Heliotropium curassavicum var. oculatum L. B. Ziegler 1974-5-20 525 Riverside San Jacinto Valley, San Jacinto River bed 489 Comment
  CAS-BOT-BC314979  Hemizonella minima Edmund C. Jaeger 1921-6-14 s.n. Riverside MacMullen Trail, San Jacinto Mts. 1280 Comment
  RSA711222  Hemizonia kelloggii A. C. Sanders 2004-4-9 27469 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
  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
  UCR232356  Hemizonia kelloggii John F. Green 2008-4-16 0408- 35 Riverside Peninsular Range; Perris-Aguanga Valley, SE edge of Romoland, edge of electrical power station, between Menifee and Palomar roads 446 Comment
  UCR80843  Hemizonia kelloggii G. R. Ballmer 1992-6-23 92- 8 Riverside San Timoteo Canyon Rd., 0.8 mi east of jct with Redlands Blvd. 526 Comment
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Jul 14 2012
  POM360325  Hemizonia paniculata Clyde Stratton 1943-7-23 s.n. Riverside Riverside Comment
  RSA688835  Hemizonia paniculata Scott D. White, Michael Honer 2003-6-17 9553 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  RSA702554  Hemizonia paniculata Scott D. White 2004-10-8 10777 Riverside Black Hills, southeast of Lake Skinner and north of Oak Mountain. 610 Comment
  RSA737436  Hemizonia paniculata Justin M. Wood 2008-8-31 120 Riverside Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  UCR220022  Hemizonia paniculata A. C. Sanders 2010-11-18 38693 Riverside Peninsular Range; western Gavilan Hills, eastern edge of Corona, north end of 'radio tower' ridge, 1.85 mi. NNE (25 deg. ) of El Cerrito, 1 mi. SSE (143 deg. ) of Home Gardens, just east of large rock quarry 488 Comment
  UCR101544  Hemizonia pungens C. S. Jones, Jennifer Hodge 1998-3-22 s.n. Riverside Lake Elsinore, back basin, c. 700 ft. west of the San Jacinto River and c. 250 ft. south of the Lake Elsinore channel. 400 Comment
  UCR90763  Hemizonia pungens subsp. laevis D. E. Bramlet 1993-5-16 2356 Riverside 5.7 km west of Hemet, 488 m north of Florida Ave and 1 m west of old Warren Road. the site is found on a parcel between old Warren and Warren Rd., c. 274 north of the intersection of these two roads 456 Comment
  UCR225211  Herniaria hirsuta subsp. cinerea T. B. Salvato, Matt Malle, Tim Searl 2011-4-19 5164 Riverside Peninsular Range; Gavilan Hills, Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15 473 Comment
  RSA586490  Hesperolinon micranthum D. L. Banks, Steve D. Boyd 1995-5-9 340 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  SD152814  Hesperolinon micranthum Steve Boyd, Tim Ross 1992-5-4 7196 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 730 Comment
  UCR174447  Hesperolinon micranthum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32507 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
  RSA586246  Heterocodon rariflorum D. L. Banks, S. D. Boyd 1995-3-30 0118 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 713 Comment
  SEINET10460700  Heterocodon rariflorum Meryle B. Dunkle 1933-7-21 Dunkle 3726 Riverside SAN JACINTO MTN IDYLWILD Comment
  RSA125200  Heterotheca fastigiata E. K. Balls, P. C. Everett 1957-8-20 22680 Riverside Along State Hwy. 74, SE of Hemet Reservoir, S end San Jacinto Mountains. 1357 Comment
  RSA588842  Heterotheca sessiliflora subsp. echioides D. L. Banks, S. D. Boyd 1995-10-17 0785 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
  RSA659762  Heterotheca sessiliflora subsp. echioides J. C. Roos 1965-9-16 s.n. Riverside Hemet on State Street, near Florida Street; along a dry roadside. Comment
  RSA785237  Heterotheca sessiliflora var. sanjacintensis J. C. Semple, J. Chimielewski 1987-9-30 8981 Riverside Idyllwild, CA-243, just S of Idyllwild Park, Manzanita Dr. Comment
  CAS-BOT-BC203351  Hibiscus denudatus Ira L. Wiggins 1941-3-27 9691 Riverside 8.2 miles west of Shaver's Summit Comment
  LA205887  Hibiscus denudatus Norman C. Cooper; 1944-4-8 1072 Riverside Andreas Canyon 304 Comment
  RSA457780  Hibiscus denudatus Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2218 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  UC56292  Hibiscus denudatus F. Gilman 1902-1 28 Riverside Palm Springs Comment
  POM48031  Hieracium horridum P. A. Munz, I. M. Johnston 1924-7-27 8740 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  SEINET3011912 Image available Hilaria rigida A. C. Sanders 2010-3-23 37544 Riverside Sonoran (Colorado ) Desert; Chuckwalla Valley, at SW foot of Palen Mountains (Sidewinder 7.5' Q.). 130 Comment
  UCR227609  Hilaria rigida Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 159 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak 213 Comment
  UCR282317  Hilaria rigida Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel, Jackie McConnaughy 2011-3-23 803 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 396 Comment
  UCSB393  Hilaria rigida Beeks, Richard 1952-4-5 Riverside 12 miles east of Shavers Summit Comment
  UC1930013  Hirschfeldia incana Scott D. White, Justin Wood 2008-5-15 11991 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  CLARK-A1528-475  Hoffmannseggia densiflora Charlotte Stocks 1962-5-11 Riverside Coachella Comment
  CAS-BOT-BC207509  Hoffmannseggia glauca Lat Greata 1905-4-1 436 Riverside Coachella, Rector Ranch Comment
  CAS-BOT-BC207513  Hoffmannseggia glauca Roxana S. Ferris 1918-6-19 1011 Riverside Blythe, Palo Verde Valley Comment
  JEPS54861  Hoffmannseggia glauca H. M. Hall 1905-4-20 5829 Riverside Coachella; Colorado Desert Comment
  UCR17645  Hoffmannseggia glauca Hap Ritter, Paul Mack 1976-10-19 s.n. Riverside Sonoran (Colorado) Desert, Ford Dry Lake, between Desert Center and Blythe 110 Comment
  RSA0096926  Hoffmannseggia glauca Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1339 Riverside Shavers Valley, Colorado Desert: NW end of Hayfields Dry Lake. Comment
  CAS-BOT-BC206103  Hoffmannseggia microphylla John Thomas Howell 1928-1-30 3307 Riverside 2 miles e. of Shaver's Well, Colorado Desert Comment
  CAS-BOT-BC206107  Hoffmannseggia microphylla Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  CAS-BOT-BC206108  Hoffmannseggia microphylla Ira L. Wiggins 1941-3-27 9690 Riverside 8.2 miles west of Shaver's Summit Comment
  CAS-BOT-BC206380  Hoffmannseggia microphylla P. C. Everett; N. F. Lolonis 1963-5-3 24492 Riverside SE. corner of Colima & Obregon Sts., La Quinta, western edge of Colorado Desert 91 Comment
  LA45806  Hoffmannseggia microphylla A. M. Johnson; 1933-4-28 4216 Riverside Indian Wells, highway along new mountain highway to Hemet, 2 to 3 mi. up from Palm Springs Comment
  OBI37476  Hoita macrostachya Steve Boyd 1985-7-30 1049 Riverside De Luz Rd, 10.4 mi W of Rancho Calif; t point where E branch of De Luz Crk first crosses rd Comment
  SEINET238468 Image available Hordeum depressum A. C. Sanders, K. C. Rose 1998-5-21 21857 Riverside Hemet: Alkaline flats west of town E of the canal S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  SEINET244302 Image available Hordeum depressum A. C. Sanders, Carolyn Washburn 2001-5-10 24248 Riverside Perris-Aguanga Basin; San Jacinto River Valley, S side of intersection of Sanderson Ave, and Ramona Blvd., ca. 4 mi. NW of San Jacinto. 445 Comment
  SEINET251660 Image available Hordeum depressum A. C. Sanders 2004-5-12 27877 Riverside elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek (Lake Elsinore 7.5 Q.:) 378 Comment
  UCR21125  Hordeum depressum A. C. Sanders, Steve Boyd 1980-5-19 1495 Riverside San Jacinto Mtns, Garner Valley. Meadow west of Kenworthy Ranger Station. 1375 Comment
  RSA85086  Hordeum intercedens J. C. Roos 1952-4-23 5571 Riverside 1 miles southeast of Perris 427 Comment
  RSA45205  Hordeum marinum subsp. gussoneanum J. C. Roos, Lucille Roos 1949-5-21 4318 Riverside Temecula. 304 Comment
  CAS-BOT-BC203388  Horsfordia newberryi Samuel B. Parish 1880-4-10 200 Riverside Toros [Toro or Torres]. Borders of Coldo [Colorado] Desert Comment
  UCR270626  Horsfordia newberryi John F. Emmel 1998-1-24 1534 Riverside Sonoran (Colorado) Desert, Coahella Valley, near east base of Santa Rosa Mountains, along wash below Devil Canyon and Guadalupe Canyon, 1.3 air miles south and 0.3-0.8 air mile west of intersection of Jefferson Street and Avenue 58 122 Comment
  UCSC008082  Hosackia oblongifolia var. oblongifolia Peter Kamb 1947-6-7 560 b Riverside San Jacinto Mts., Hall Canyon 1646 Comment
  UC1478708  Hulsea heterochroma C. W. Tilforth and B. Busenberg 1980-6-10 1986 Riverside 2.2 mi in on n leg Thomas Mtn. Rd. (w of Hwy 74 and s of Lake Hemet) Comment
  UCR213828  Hulsea heterochroma Scott D. White, Justin M. Wood 2009-5-21 12841 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 north on Valley Hi Drive, from intersection with Twin Pines Road 1201 Comment
  CAS-BOT-BC312591  Hulsea vestita subsp. callicarpha S. B. Parish; W. F. Parish 1880-7-1 531 Riverside Strawberry Valley, San Jacinto Mt. Comment
  RSA769765  Hulsea vestita subsp. callicarpha Duncan S. Bell, Valentin Arvizu 2010-5-10 987 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. 1349 Comment
  RSA480011  Hymenoclea salsola Steve Boyd, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2132 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  CLARK-A1528-3136  Hyptis emoryi John C. Roos 1965-12-4 Riverside Chuckwalla Mountains Comment
  HSC84091  Hyptis emoryi Aaron Liston, T. S. Elias, O. R. Dorado, S. Zona 1986-11-29 64019 Riverside Painted Canyon, Mecca Hills Comment
  NY43320  Hyptis emoryi C. R. Annable 1995-3-12 2275 Riverside Box Canyon Wash, Hwy 195 Comment
  RSA420160  Hyptis emoryi Gary D. Wallace 1964-4-26 s.n. Riverside Palm Springs. Comment
  RSA420168  Hyptis emoryi Freda Detmers 1930-2-2 s.n. Riverside Palm Canyon. Comment
  RSA420185  Hyptis emoryi Bonnie C. Templeton 1930-3-22 1642 Riverside Palm Springs. 400 Comment
  RSA651634  Hyptis emoryi David B. Dunn, H. Lint 1955-4-1 11843 Riverside Pushawalla Canyon, Indio Hills. Comment
  UC1595687  Hyptis emoryi W. Wisura, J. Dolan, and C. Demme 1992-4-13 4684 Riverside n base Chuckwalla Mts. (Corn Spring); n base of Chuckwalla Mts., Corn Spring Comment
  UCR19130  Hyptis emoryi John C. Roos 1965-12-4 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 2 mi. SE of Desert Center 366 Comment
  SEINET10498864  Hyptis emoryi David B. Dunn 1948-6-17 Dunn 3815 Riverside Ravine below quad 4 dry coudit. At camp in pushawalla canyon under palms Comment
  SD126162  Ipomoea triloba A. C. Sanders 1988-11-6 8737 Riverside Coachella Valley, west side of Highway 86, 6.25 miles south of its junctiln with Highway 111 in Coachella. -35 Comment
  SBBG62877  Isocoma acradenia R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  SBBG133573  Isocoma menziesii S. C. White, A. Carey, L. Archa 2004-8-5 10667 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation Comment
  UCD133437  Isocoma menziesii var. vernonioides K. Esau 1935-6-21 s.n. Riverside Road to Beaumont. Comment
  UCR222301  Isoetes howellii R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55204 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  CSUSB714  Isomeris arborea var. angustata Elliott Helm 1975-5-23 Riverside Mojave Desert Mojave Desert, 16 miles north of 29 Palms, off highway 177 304 Comment
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Aug 26 2014
  JOTR30830  Ivesia saxosa Andre, Jim, Tasha La Doux 2008-9-16 10702 Riverside Joshua Tree National Park. JTNP; SE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.486' N 116 03.288' W 1289 Comment
  UCD60369  Jarava speciosa T. B. Salvato; Kent Beaman 2005-5-16 782 Riverside San Jacinto Mtn. foothills. San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy. 74. 549 Comment
  CAS-BOT-BC126766  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37160 Riverside Peninsular Range: Riverside, between UCR agricultural operations fields, along Iowa Ave. between University Ave. and M.L. King Blvd. 305 Comment
  UCR89552  Juncus A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15876 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
  UCR264640  Juncus balticus Mitch Provance 2013-4-8 413- 02 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  HSC24281  Juncus bufonius James Henrickson 1969-5-16 3261 Riverside 6 mi. W of Murrieta on Colorado Mesa of Santa Rosa Plateau 701 Comment
  RSA674610  Juncus bufonius Scott D. White 2000-8-5 8109 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  UC1601699  Juncus bufonius H. M. Hall Jun 1901 Riverside Onstatt Valley San Jacinto Mountains 1524 Comment
  UCR111606  Juncus bufonius Mitch Provance 1999-5-4 1684 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR21523  Juncus bufonius Steve Boyd 1980-4-29 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, c. 0.5 mile NE of the secretary's house 518 Comment
  SEINET10899618  Juncus macrandrus David B. Dunn 1948-2-21 Dunn 3689 Riverside Found beside upper end of springs. Pushawalla canyon, indio hills of the Colorado desert; w of indio Comment
  RSA192265  Juncus macrophyllus E. W. Lathrop 1966-5-11 6283 Riverside 3 miles SW of Murrieta on the De Luz Road, first canyon to the right of the road. Comment
  UCR133334  Juncus mexicanus John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UC70341  Juncus oxymeris H. M. Hall 1901-7-23 2543 Riverside n side tributary of Snow Creek; San Jacinto Mountains 1767 Comment
  UCR18437  Juncus xiphioides J. Olmstead 1966-6-7 s.n. Riverside Santa Rosa Mtns., Deep Canyon between road end & first falls, above gauging station 610 Comment
  UCR59672  Juncus xiphioides Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3551 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  UC813453  Juniperus californica C. L. Hitchcock 1940-4-3 5933 Riverside 1.5 mi ne of Cottonwood Spring (along 29 Palms Road); Joshua Tree National Monument Comment
  LA202783  Justicia californica Carl Epling; 1927-3-27 sn Riverside Palm Springs 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
  UCR3333  Justicia californica Warren Mouw 1964-3-24 640324- 25 Riverside Sonoran (Colorado) Desert, road through Joshua Tree National Monument, between Twentynine Palms and Hwy 60, 3 miles from park exit [south end, near Cottonwood Springs] 856 Comment
  RSA341986  Keckiella antirrhinoides Robert F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54080 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  UCD123748  Keckiella antirrhinoides A. C. Sanders; T. B. Salvato 2001-5-3 24083 Riverside Perris-Aguanga Basin region: Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley. 494 Comment
  RSA0018941  Keckiella antirrhinoides subsp. antirrhinoides Christopher Davidson 1975-6-16 2804 Riverside Ca. 2 miles S of Banning on road R1 to Idyllwild. 823 Comment
  UCR35262  Keckiella antirrhinoides var. antirrhinoides L. B. Ziegler 1967-5-19 130 Riverside San Jacinto Mtns. Foothills, Side canyon off Bautista Canyon. San Jacinto Valley area 534 Comment
  RSA0019429  Keckiella ternata subsp. ternata Philip A. Munz 1922-6-27 5852 Riverside Santa Rosa Mountains. 2012 Comment
  UCR266913  Kochia scoparia D. E. Bramlet 2005-7-13 3890 Riverside Perris Aguange Basin Region; San Jacinto Valley, 20 ft. west of Davis Road just south of Marvin Rd., San Jacinto Wildlife Area 434 Comment
  RSA396457  Koeleria macrantha Dave Kelly, Walter Wisura 1987-6-19 4166 Riverside 7.3 miles from Highway 74 along Thomas Mountain Road, S of Lake Hemet Comment
  UC38717  Koeleria macrantha H. M. Hall 1901-6 2376 Riverside vicinity Strawberry Valley; San Jacinto Mountains, vicin of Strawberry Valley 1584 Comment
  UCD86081  Koeleria macrantha H. M. Reed 1932-7-3 7294 Riverside San Jacinto Mts., Camp Emerson. Comment
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May 1 2011
  JOTR34022  Krameria bicolor La Doux, Tasha, M. Harding 2010-4-7 2909 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  LA45678  Krameria bicolor S. Atsatt; 1926-4-17 sn Riverside Palm Springs Comment
  RSA718174  Krameria canescens Howard Mullins 1931-4-11 s.n. Riverside Thousand Palms Comment
  CAS-BOT-BC43703  Krameria erecta F. H. Billings 1931-4-13 s.n Riverside Palm Springs Comment
  RSA608171  Krameria erecta Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10056 Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  UCR281013  Krameria erecta Fred M. Roberts 2016-3-5 7986 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: west end, 4.3 km E Palen Pass and 2.2 km W 'Peak 602" 113 Comment
  UCR199607  Lactuca serriola Scott D. White, Angelia Carey 2004-7-2 10572 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  SD136907  Lagophylla ramosissima Steve Boyd, Tim Ross 1994-9-14 8342 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of Cleveland National Forest; 0.5 miles south of Serrano Spring 730 Comment
  HSC17018  Langloisia setosissima subsp. setosissima C. L. Hitchcock 1966-3-20 24310 Riverside N of Milpitas Wash, Ogilby-Blythe Rd. Comment
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Mar 2 2013
  UC1287141  Langloisia setosissima subsp. setosissima C. L. Hitchcock 1966-3-20 24310 Riverside hills just n. Milpitas Wash (Ogilby-Blythe rd.) Comment
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Mar 2 2013
  UC449758  Langloisia setosissima subsp. setosissima Joseph Grinnell 1910-3-18 Riverside Riverside Mt. Colorado R., Riverside Mt. Comment
  RSA77839  Larrea tridentata F. W. Peirson 1914-04 2027 Riverside Whitewater, Colorado Desert. Comment
  SBBG3966  Larrea tridentata K. K. Muller 1958-3-22 922 a Riverside 5.5 mi E of Desert Center Comment
  UCR16343  Larrea tridentata S. Nelson 1974-4-13 s.n. Riverside Sonoran (Colorado) Desert, [Coachella Valley] 2 mi north of U.S. Highway 10 on Washington St. 153 Comment
  SD186090  Lasthenia californica A. C. Sanders, Mike Misenhelter 2005-3-23 29246 Riverside Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta. 701 Comment
  SD68952  Lasthenia californica Robert F. Thorne, E. Lathrop, et al 1968-4-18 37443 Riverside Santa Rosa Plateau; Mesa de Colorado. 669 Comment
  JEPS29319  Lasthenia coronaria Rimo Bacigalupi, and L. Heckard 1962-3-26 8415 Riverside 2.2 mi nw Alberhill (at headwaters of Temescal Creek); Temescal Creek Comment
  POM361603  Lasthenia coronaria P. J. Remple 1942-3-2 s.n. Riverside San Gorgonio Pass S of Cabazon Comment
  UCR109449  Lasthenia coronaria A. C. Sanders 1995-4-13 16500 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  CAS-BOT-BC329165  Lasthenia glabrata subsp. coulteri P. A. Munz; D. Keck 1922-4-15 4990 Riverside San Jacinto Lake near Moreno 365 Comment
  POM55167  Lasthenia gracilis C. F. Baker 1904-4-4 4087 Riverside Elsinore. Comment
  RSA336169  Lasthenia gracilis R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 52001 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 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
  RSA190625  Lathyrus vestitus subsp. alefeldii L. B. Ziegler 1967-6-25 s.n. Riverside Flat above Kenworthy Ranger Station, south end of San Jacinto Mountains 1555 Comment
  RSA406645  Lathyrus vestitus subsp. alefeldii Gale Sphon 1955-3-5 s.n. Riverside Horsethief Canyon, Elsinore Mountains. Comment
  UCR35018  Lathyrus vestitus subsp. vestitus L. B. Ziegler 1967-4-18 115 Riverside San Jacinto Mtns, Foothills of the mountains, Soboba Indian Reservation, Poppet Flat Rd 581 Comment
  CAS-BOT-BC320798  Layia glandulosa H. M. Hall 1901-6-1 2185 Riverside San Jacinto Mountains. South side. 1371 Comment
  JEPS40025  Layia glandulosa W. L. Jepson 1901-5-19 1291 Riverside Strawberry valley; San Jacinto River 640 Comment
  RSA773042  Layia glandulosa Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5039 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  UCR62095  Layia glandulosa G. R. Ballmer 1990-5-5 s.n. Riverside San Jacinto Mtns. Foothills, SE boundary of the San Jacinto Potrero land grant, just north of the Colorado River aqueduct, where road crosses creek at mouth of unnamed canyon to east Comment
  VVC1155  Layia glandulosa A. C. Sanders 1994-5-29 14573 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  CAS-BOT-BC320797  Layia glandulosa H. M. Hall 1901-6-1 2185 Riverside San Jacinto Mountains. South side. 1371 Comment
  CAS-BOT-BC379635  Layia platyglossa P. A. Munz 1918-4-27 2152 Riverside South of Corona Comment
  CAS-BOT-BC379669  Layia platyglossa C. L. Hitchcock 1966-3-15 24146 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  UCR124663  Layia platyglossa B. C. Templeton 1930-4-9 1024 Riverside San Bernardino Mtns., north of Banning 1220 Comment
  RSA69725  Lemna gibba F. W. Peirson 1922-5-19 3018 Riverside Hemet Valley, San Jacinto Mountains. 1341 Comment
  CLARK-A1528-5692  Lepechinia cardiophylla John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1066 Comment
  RSA429909  Lepidium fremontii J. Ewan 1931-4-3 4121 Riverside 20 miles E of Beal Well, Colorado Desert. Comment
  UCR142746  Lepidium fremontii C. B. Wolf 1932-4-27 3043 Riverside Western Colorado Desert, Chuckwalla Valley, Mecca to Blythe road [Hwy 10], 0.75 mile west of Utopia 152 Comment
  POM259967  Lepidium lasiocarpum P. A. Munz 1940-3-23 15724 Riverside N end of Pinto Basin mojave desert 915 Comment
  UCD80950  Lepidium lasiocarpum subsp. lasiocarpum Chuck Hughes 2009-3-23 65 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  UCR108833  Lepidium latifolium O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  RSA522317  Lepidium latifolium Steve Boyd 1989-7-23 3787 Riverside City of Riverside, Santa Ana River, just downstream of old city dump at W extension of Rubidoux Avenue. Comment
  UCR281215  Lepidium latipes Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 21 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  UCR165611  Lepidium virginicum T. B. Salvato, John F. Green 2004-5-27 710 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
  RSA543754  Lepidium virginicum var. robinsonii Steve Boyd, Timothy S. Ross, Mike Hammit 1991-5-2 6074 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
  CAS-BOT-BC339176  Lepidospartum C. B. Wolf 1931-10-14 2462 -A Riverside At Cabezon, San Gorgonio Pass 518 Comment
  OBI48834  Lepidospartum squamatum Lewis S. Rose 1938-12-20 38331 Riverside 3 mi SE of Palm Springs Station, Whitewater wash 274 Comment
  UC1069806  Lepidospartum squamatum A. E. Wieslander 1929-1-25 40 Riverside mouth of Bautista Creek; San Jacinto Quadrangle Comment
  RSA407735  Leptosiphon androsaceus Steve Boyd 1986-5-1 1802 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  POM364531  Leptosiphon ciliatus N. C. Cooper 1944-6-17 1396 Riverside San Jacinto Mts., Pine Cove. 1524 Comment
  RSA73056  Leptosiphon lemmonii F. W. Peirson 1922-4-28 2931 Riverside Temescal Canyon. 335 Comment
  RSA619548  Leptosiphon liniflorus D. L. Banks 1997-5-5 1997 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  POM118637  Lesquerella tenella Marcus E. Jones 1924-2-28 s.n. Riverside West of Blythe. Comment
  UCR120206  Lessingia filaginifolia Mitch Provance 1998-3-5 194 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  UCR34883  Lessingia filaginifolia L. B. Ziegler 1971-9-9 427 Riverside San Jacinto Mtns, Hemet (Garner) Valley. 1372 Comment
  RSA198979  Lilaea scilloides Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37450 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  RSA526172  Lilium humboldtii subsp. ocellatum Steve Boyd, Timothy S. Ross 1990-5-11 4675 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  POM47976  Lilium parryi Philip A. Munz, I. M. Johnston 1924-7-27 8751 Riverside Dark Canyon, San Jacinto Mountains. 1981 Comment
  RSA130327  Lilium parryi Albert M. Vollmer s.n. Riverside Stony Creek, San Jacinto Mountains. Comment
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Jul 11 2012
  UCR193127  Limnanthes gracilis subsp. parishii A. C. Sanders, Tim Thomas 2008-6-20 35537 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  CDA17992  Limnobium laevigatum J. Chandler 1999-8-23 PDR 1239733 Riverside Outdoor pond at Desert Lawn Cemetary, Desert Lawn Dr., Calimesa, Riverside Co. 0 Comment
  UCR22022  Linanthus androsaceus Steve Boyd 1980-5-20 291 Riverside Harford Springs County Park, NW corner of the Gaviln Plateau. S fork of the creek, S end of park Comment
  HSC95631  Linanthus californicus D. Atwood 1993-3-26 17655 Riverside Summit of Santa Ana Mts., 4.8 mi. S of Lake Elsinore, along Hwy. 74 813 Comment
  RSA0022553  Linanthus jonesii J. Andre, G. L. Clifton, Ron Kelley 2013-3-21 24383 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  UC880049  Linanthus lemmonii P. A. Munz and I. M. Johnston 1922-5-20 5477 Riverside Kenworthy San Jacinto Mts. 1463 Comment
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Mar 25 2011
  UCR220141  Linanthus lemmonii D. E. Bramlet 1990-4-27 1984 B Riverside Peninsular Range, Ridgeline 2100-2500 ft. (c. 0.4 mi.) NE of knoll '2502,' and 1200-1500 ft. (~ 0.21 mi.) west of Rawson Canyon 671 Comment
  CLARK-A1528-3476  Linanthus liniflorus John C. Roos 1937-5-27 Riverside Reche Canyon Comment
  UCR193408  Linanthus liniflorus A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35577 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, near May Valley Rd. 1570 Comment
  RSA645178  Linanthus maculatus J. Mark Porter, L. Machen 1995-4-14 10690 Riverside Mouth of Morongo Canyon, in Morongo Wash, on the east side of Highway 62, along the old right-of-way for old Route 62 (portions of the pavement are still present), 0.4 miles north of the intersection of Indian Avenue and HWY 62. Comment
  UCR220330  Linanthus pygmaeus D. E. Bramlet 1992-5-8 2268 Riverside Peninsular Range; Perris-Aguanga Basin Region, East Benton Road at Tucalota Creek, east of Lake Skinner 514 Comment
  UCR160958  Lithophragma A. C. Sanders 1997-4-3 20158 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  POM1582  Lithophragma affine subsp. mixtum Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, canyons near Murietta. Comment
  UC880237  Loeseliastrum matthewsii C. L. Hitchcock 1940-3-31 5885 Riverside 1/2 mi. below Cottonwood Spring Comment
  SBBG99596  Loeseliastrum schottii W. L. Halvorson 1977-2-15 77 -30 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UC909104  Loeseliastrum schottii Frank W. Peirson 1926-2-22 6506 Riverside n. of grove palms 1000-Palm Canyon 152 Comment
  OBI11429  Loeseliastrum schottii R. F. Hoover 1969-4-14 11230 Riverside Palm Springs, just S of South City limit Comment
  JEPS40653  Logfia filaginoides L. M. Newlon 1922-4-3 448 Riverside Andreas Canyon Mt. San Jacinto Comment
  UC55097  Logfia filaginoides H. M. Hall 1903-4-1 3786 Riverside vicinity Riverside 365 Comment
  RSA343106  Lolium perenne subsp. multiflorum R. F. Thorne, Walter Wisura, E. Lathrop, Sara Meury 1985-5-18 60629 Riverside Santa Rosa Plateau: Cole Canyon, near entrance to Nature Conservancy Reserve. 530 Comment
  POM1287  Lolium temulentum Geo R. Hall 1904-09 s.n. Riverside Riverside Comment
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Jun 3 2012
  UCR160934  Lomatium A. C. Sanders 1994-5-30 14598 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA97151  Lomatium dasycarpum subsp. dasycarpum F. W. Peirson 1922-5-19 4461 Riverside 3 miles northeast of Murrieta. Comment
  UCR158502  Lomatium lucidum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30023 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
  JOTR16546  Lomatium mohavense Walters, Jim 1967-3-14 s.n. Riverside Joshua Tree National Park. 1/2 MILE SOUTH OF JUMBO ROCKS Comment
  UC494749  Lomatium mohavense Philip A. Munz and C. L. Hitchcock 1932-4-9 12228 Riverside e. Riverside Co., White Tanks Comment
  RSA563886  Lomatium vaginatum Scott D. White 1993-4-20 1218 Riverside Ridge SE of Estelle Peak, Gavilan Hills. 793 Comment
  SBBG95112  Lonicera interrupta S. D. White 1990-7-10 Riverside E Millard Cyn, on the rd to Kitching Peak Trail 1127 Comment
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Sep 8 2014
  RSA666631  Lonicera subspicata A. C. Sanders, Mark Elvin, Vipul Joshi 2002-4-26 25022 Riverside The Badlands: canyon above Eden Hot Springs. 549 Comment
  UC2029940  Lonicera subspicata Scott D. White, T. B. Salvato 2001-6-8 8589 Riverside SANTA ANA MOUNTAINS: Southern margin of county, just northeast of Rainbow Valley. Comment
  UCR89901  Lonicera subspicata A. C. Sanders 1995-11-26 17910 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  SBBG7372  Lonicera subspicata var. denudata H. and M. Dearing 1940-6-8 4348 Riverside Palms to Pines Hwy, W of Ribbonwood Comment
  RSA406420  Lotus Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA583362  Lotus argophyllus Steve Boyd, Darin Banks 1995-4-5 8418 -B Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  UCR237697  Lotus argophyllus var. argophyllus Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4508 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 526 Comment
  RSA297753  Lotus heermannii Barbara Ertter, J. Strachan 1979-6-26 2988 Riverside Banning - Idyllwild Road (Highway 243) at Black Mountain turnoff (Forest Road 4S01). Comment
  RSA450197  Lotus heermannii J. C. Roos 1952-6-13 5768 Riverside Pigeon Pass. 427 Comment
  POM2656  Lotus nevadensis var. nevadensis L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon Comment
  POM12087  Lotus oblongifolius Mary F. Spencer 1921-6-15 1736 Riverside Idyllwild. 1616 Comment
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Jun 17 2012
  RSA19717  Lotus oblongifolius I. W. Clokey, E. G. Anderson 1935-8-21 6721 Riverside Hemet lake 1300 Comment
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Oct 24 2011
  UC80779  Lotus oblongifolius var. oblongifolius A. W. Anthony 1895-7-13 Riverside San Jacinto Mts. Comment
  UC80895  Lotus purshianus var. purshianus A. W. Anthony 1895-7-15 Riverside San Jacinto Mountain Comment
  POM229011  Lotus rigidus P. A. Munz 1937-5-30 15129 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  UC186780  Lotus rigidus S. B. and W. F. Parish Apr 1884 14 Riverside Agua Caliente, borders of Colorado Desert Colorado Desert Comment
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Mar 11 2008
  UCSB16928  Lotus rigidus Dennis E. Breedlove 1962-3-11 1893 Riverside collected 8.0 mi SW, along State Highway 74 Palm Desert - Palm Desert and State Highway 74 640 Comment
  RSA406830  Lotus salsuginosus var. brevivexillus Robert Gustafson 1978-3-22 837 Riverside Joshua Tree Natl. Monument, about 3 miles north of Hwy. 70 on the road that leads to 29 Palms. 610 Comment
  CSUSB1262  Lotus scoparius Steve Stadler 1966-3-26 032666 40 Riverside Lake Matthews 7 miles east from the junction of the road from Lake Matthews with the road between Corona and Elsinore. 213 Comment
  CLARK-A1656-824  Lotus scoparius subsp. brevialatus Jon Mark Stewart 1983-2-4 Riverside Palm Desert 330 Comment
  UCR25550  Lotus scoparius var. brevialatus John C. Roos 1941-4-25 163 Riverside Plateau in Reche Canyon Comment
  CSUSB1197  Lotus strigosus Kheng Try Seng 1966-3-27 660327 12 Riverside 0.5 mile north corner of Wood and Roberts. About 4 miles from freeway 395. Woodcrest. 487 Comment
  CSUSB1245  Lotus strigosus Karen Cook 1966-3-17 Riverside 100 yards east of North-South railroad tracks on corner of Tanescalst & Compton Ave., Corona (city). Open hillside, grassy. 274 Comment
  HSC85457  Lotus strigosus Steve Boyd 1986-4-2 1601 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA775606  Lotus strigosus Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 999 Riverside Iron Mountains, on southwest side of mountains in wash. 423 Comment
  RSA777415  Lotus strigosus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 839 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine,' rolling bajadas adjacent rocky hills, separated by small wash fingers 451 Comment
  UCR154643  Lotus strigosus A. C. Sanders, T. B. Salvato 2005-4-28 29767 Riverside Peninsular Ranges, Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine 625 Comment
  UCR18185  Lotus strigosus A. C. Sanders 1978-4-30 00341 Riverside Santa Rosa Mtns, Pinyon Flats area, above the Dolomite Mine 1220 Comment
  UCR97894  Lotus strigosus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19851 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA498731  Lotus strigosus var. strigosus Freda Detmers 1933-3-25 17160 Riverside Between Banning and Cabazon. Comment
  UCR251673  Lotus strigosus var. tomentellus Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 783 Riverside Sonoran (Colorado) Desert, Mecca Hills, just south of Shaver's Well 305 Comment
  UCR260296  Lotus strigosus var. tomentellus A. C. Sanders, Jim Malusa 2015-3-9 41364 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  POM98794  Lotus tomentellus P. A. Munz 1926-1-31 9982 Riverside Clay hills, west of Dos Palmos, Colorado Desert. Comment
  CLARK-A1045-401  Ludwigia peploides George K. Helmkamp 1979-5-15 Riverside Jurupa ""at S.A. Picnic Area""; ; Fontana 7.5' Q 243 Comment
  RSA769614  Lupinus albifrons var. eminens E. W. Lathrop 1974-6-4 7405 Riverside 3 miles southwest of Corona, Cleveland National Forest, Trabuco District 274 Comment
  POM126308  Lupinus arizonicus Thos. Craig 1927-4-2 39 Riverside Canyon near Hidden Springs. Comment
  POM276399  Lupinus arizonicus Lyman Benson 1933-3-31 4165 Riverside US 66, 10 miles E of Palm Springs, San Jacinto Mt. Range, Colorado Desert Watershed. 244 Comment
  POM349940  Lupinus arizonicus Robert Gustafson 1983-3-27 2491 Riverside Near mouth of fairly steep-walled canyon southwest of Lake Cahuilla Comment
  UCR148302  Lupinus arizonicus John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR85079  Lupinus arizonicus A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-5-12 16038 Riverside Coachella Valley, Indio, just SW of the Whitewater River Channel at Auto Center Dr. (Hwy 111) -8 Comment
  RSA591822  Lupinus bicolor E. W. Lathrop 1965-4-16 4450 Riverside 14 miles west of Murrieta. Comment
  OBI083254  Lupinus bicolor Rhonda Riggins 1985-3-23 1501 Riverside Field adjacent Scott Road and I215. 6.1 mi N jct. with I15. Comment
  JOTR34141  Lupinus concinnus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler, D. Shade 2011-4-26 3159 Riverside Joshua Tree National Park. NW tip of the Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  UCR35026  Lupinus concinnus subsp. optatus L. B. Ziegler 1969-5-5 353 Riverside San Jacinto Mtns,, Hemet Valley ( = Garner Valley). 1402 Comment
  RSA314672  Lupinus concinnus subsp. orcuttii Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55497 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  UC213289  Lupinus excubitus I. M. Johnston 1918-4-27 1869 Riverside near Elsinore; near Elsinore 396 Comment
  OBI19312  Lupinus excubitus var. hallii Tracey & Viola Call, Viola Call 1962-4-13 2126 Riverside Tin Mine Cyn near Corona 351 Comment
  UC130313  Lupinus formosus H. M. Hall 1899-5-21 1371 Riverside s slope Chalk Hill (foot of Chalk Hill); San Jacinto Mountains, , s slope 1676 Comment
  UCD107745  Lupinus formosus Richard Bates 1949-5-21 s.n. Riverside road to Pinon Flats from Idyllwild, San Jacinto Mtns. Comment
  SEINET10937096  Lupinus formosus David B. Dunn 1947-10-9 Dunn 3534 Riverside Collected near the dry wash or shallow area about half way from the hwy to 29 Palms to hidden valley. Comment
  RSA413656  Lupinus formosus var. formosus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  OBI30168  Lupinus hirsutissimus Iversen 1974-4-27 s.n. Riverside El Cariso Crk Comment
  RSA413702  Lupinus hirsutissimus N. C. Cooper 1944-6-4 1360 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  RSA644186  Lupinus hirsutissimus Scott D. White 1995-8-23 3583 Riverside San Jacinto Valley. San Jacinto Riv., just N of City of San Jacinto boundary, ca. 1 mi SE of bridge at State St. 463 Comment
  SDSU13340  Lupinus hirsutissimus C. Matt Guilliams 2000-4-29 9 Riverside Santa Margarita Ecological Reserve, 'Insect Trail'. 1.5 miles NE of Gavalin Mtn. 305 Comment
  UCR3349  Lupinus hirsutissimus T. R. Plumb 1964-4-11 s.n. Riverside San Jacinto Mountains, North Mountain [=Mt. Edna?] c. 5.5 mi south on Old Banning-Idyllwild Rd. 988 Comment
  POM187407  Lupinus hyacinthinus L. Crutcher 1933-7-31 15 Riverside Stream south of Tahquitz Valley, San Jacinto Mts. Comment
  RSA674618  Lupinus longifolius Scott D. White, Sandy Leatherman 2000-5-31 7980 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  POM24848A  Lupinus microcarpus var. densiflorus Marcus E. Jones 1882-4-25 s.n. Riverside San Jacinto. Comment
  UCR127570  Lupinus microcarpus var. densiflorus A. C. Sanders, T. B. Salvato 2003-5-21 26795 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR132485  Lupinus shockleyi Chris E. True 2004-3-4 s.n. Riverside Coachella Valley, Windy Point, south side of point 311 Comment
  JOTR28885  Lupinus sparsiflorus La Doux, Tasha 2004-2-24 1120 Riverside Joshua Tree National Park. Cottonwood Canyon 932 Comment
  RSA523534  Lupinus sparsiflorus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3993 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SDSU12937  Lupinus sparsiflorus Jutta Buschbom 1991-6-20 36 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  POM254322  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz 1940-3-24 15710 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  RSA659377  Lupinus sparsiflorus subsp. sparsiflorus Bruce Albert 1982-4-17 66 Riverside Hillside west of Lake Mathews Road, 2 miles south of Cajalco Road. Comment
  POM10112  Lupinus sparsiflorus var. inopinatus H. M. Hall 1904-05 4946 Riverside Fairmount Park. Comment
  CLARK-A1045-883  Lupinus truncatus George K. Helmkamp 1978-6-1 #1 Riverside Santa Ana Mountains roadside; Wildomar 7.5'Q Comment
  SDSU14088  Lupinus truncatus Joel Tracey 2002-4-20 7 Riverside Santa Margarita Ecological Reserve, 60 feet east of parking area, off intersection of Northside Field Station road and Santa Margarita River. Plant growing in crack of granitic rock, 15 feet north of river. 253 Comment
  RSA428589  Lycium Louis C. Wheeler 1931-11-26 384 Riverside 1/4 mi. SW Salton BM. Sea level. Comment
  CAS-BOT-BC231420  Lycium andersonii C. F. B. 1904-4-4 4145 Riverside Elsinore Comment
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Sep 3 2017
  POM259667  Lycium andersonii Philip A. Munz 1940-3-22 15653 Riverside Whitewater Canyon 2 miles north of Banning-Indio boulevard. Comment
  RSA49183  Lycium andersonii Philip A. Munz 1949-4-13 13051 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  CAS-BOT-BC231641  Lycium fremontii John Thomas Howell 1928-3-24 3530 Riverside Painted Canon [Canyon], Colorado Desert Comment
  RSA793467  Lycium pallidum var. oligospermum Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-11 4367 Riverside Mecca Hills: at Hidden Spring just off Hidden Spring Canyon, approximately 2.6 air miles south of Shaver Well, or approx. 5.4 air miles northeast of junction of Box Canyon Road and the Coachella Canal. 216 Comment
  UC494499  Lycium pallidum var. oligospermum Philip A. Munz 1931-3-13 11969 Riverside 5 mi sw Blythe Comment
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Dec 3 2011
  JEPS45976  Lythrum californicum S. B. Parish 1897-5-31 4395 Riverside Elsinore Lake 396 Comment
  RSA736732  Lythrum californicum Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10687 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
  UCR121335  Machaeranthera asteroides A. C. Sanders, Mark Elvin, Vipul Joshi 2002-4-26 25036 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  CAS-BOT-BC8104  Machaeranthera canescens var. ziegleri Louis B. Ziegler 1968-9-30 s.n. Riverside North slope of Santa Rosa Mts. 2286 Comment
  UC489132  Madia elegans C. V. Meyer 1928-7-26 529 Riverside w side San Jacinto Mt. 2286 Comment
  RSA495430  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2956 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  CAS-BOT-BC206266  Malacothamnus fasciculatus Peter H. Raven; Sidney R. Snow 1956-7-6 9661 Riverside Vandeventer Flat, San Jacinto Mts. 1493 Comment
  RSA0087579  Malacothamnus fasciculatus N. C. Cooper 1944-7-15 1591 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  RSA554298  Malacothrix glabrata Dave Kelly 1992-3-11 92 -14 Riverside Hwy I-10, ca. 20 mi E of Indio. Comment
  SBBG66067  Malacothrix glabrata M. N. Ackley 1928-4-4 Riverside near Bridge Haven 426 Comment
  UC1563069  Malacothrix glabrata Steve Boyd and Orlando Mistretta 1986-3-13 1433 Riverside ne of Desert Center (jtn of Parker Dam Rd and Palen Rd (rd going through pass between Palen and Granite Ranges); Palen Mountains 243 Comment
  UCR89805  Malacothrix saxatilis Scott D. White 1993-5-27 1418 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  SD241898  Malvella leprosa Jeremiah George 2011-7-18 Riverside Peninsular Range; Elsinore Trough: North Lake Elsinore, just west of Nichols Rd. and Collier Ave. junction. West side of riparian strip. 384 Comment
  RSA0126634  Mammillaria tetrancistra Duncan S. Bell 2016-3-4 8803 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  SEINET3083011 Image available Marah macrocarpa A. C. Sanders, M. Jacobsmyer & C. Sanders 1995-2-5 15909 Riverside San Bernardino Mtns: Whitewater Canyon, between Bonnie Bell and the fish hatchery. 550 Comment
  UCR163589  Marah macrocarpa O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  UCR92444  Marah macrocarpa A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18099 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  JEPS41720  Marina parryi W. L. Jepson 1912-10-29 5248 Riverside Black Point Riverside Mts. 88 Comment
  JOTR29083  Marina parryi La Doux, Tasha 2005-3-30 1200 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA607360  Marina parryi R. S. Woglum 1941-4-10 2932 Riverside Sonoran Desert: Blythe. Comment
  UCR211471  Marina parryi Tasha La Doux, Jim Andre 2008-9-13 266 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, upper Wilson Canyon on east side of paved highway 991 Comment
  RSA544437  Marsilea vestita Steve Boyd, Timothy S. Ross, David Zippin, Tom Oberbauer 1991-6-14 6344 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  UCR72820  Marsilea vestita D. E. Bramlet 1991-6-20 2198 Riverside Perris-Aguanga Basin region, San Jacinto Valley, San Jacinto Wildlife Area: c. 670 m east of Davis Rd & 60 m north of the San Jacinto River levee 475 Comment
  RSA552726  Matricaria matricarioides Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6768 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  UCR102885  Medicago polymorpha A. C. Sanders 1997-3-26 20136 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR165193  Medicago polymorpha S. J. Myers 2001-4-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  UCR241394  Medicago polymorpha T. B. Salvato 2013-3-22 7394 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), on Los Alamos Rd at its crossing of Warm Springs Creek 402 Comment
  SEINET238796 Image available Melia azedarach A. C. Sanders 1997-1 20616 Riverside Lake Skinner area; old house site at gated road junction into Shipley Reserve area ca. 1 km NE of Lake Skinner in mout 457 Comment
  RSA0120469  Melica Duncan S. Bell 2016-4-16 9311 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UCR51526  Melica frutescens S. J. Myers 1988-2-1 s.n. Riverside Boulder Springs development, immediately SE of intersection of Hwy 60 and Nason St., Moreno Valley 518 Comment
  CLARK-A1528-5188  Melica imperfecta John C. Roos 1950-4-29 4771 Riverside Box Springs Mountains 609 Comment
  OBI74467  Melica imperfecta David J. Keil 1983-4-15 16895 Riverside E of Temecula on SR79 Comment
  RSA515315  Melica imperfecta Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, NE of Mesa de Burro, creek below Guava-De Luz Road, approximately 1.5 miles SW of intersection with Hayes Avenue., (Near 33 deg 31'N, 117 deg 14'W.) 610 Comment
  SEINET191891 Image available Melica imperfecta C. L. Hitchcock 1940-4-12 6042 Riverside 8 miles northwest of Elsinore 457 Comment
  UCD87786  Melica imperfecta A. A. Beetle 1946-6-10 4394 Riverside San Jacinto Mt., San Jacinto Mts. Near Idylewilde. 1219 Comment
  UCR19349  Melica imperfecta John C. Roos 1950-4-29 4771 Riverside Reche Canyon north of Sunnymead 610 Comment
  POM299267  Menodora scoparia A. M. Alexander, Louise Kellogg 1941-5-21 2208 Riverside Colorado Desert: bed of canyon near its mouth, north slope of Eagle Mountains. 1159 Comment
  UCR279589  Mentzelia A. C. Sanders, Jim Malusa 2017-3-28 43150 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
  SEINET3004971  Mentzelia affinis G. Rink 2011-3-28 10397 Riverside Desert pavement north of Blythe, east of the McCoy Mtns 115 Comment
  UCR72155  Mentzelia desertorum Theo Glenn 1991-5-8 91- 85 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 378 Comment
  RSA776242  Mentzelia involucrata Duncan S. Bell 2010-3-20 597 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UC68736  Mentzelia involucrata H. M. Hall Apr. 1905 5803 Riverside 10 m w Coachella; Colorado Deseret 91 Comment
Read comments
Sep 11 2011
  POM13079  Mentzelia involucrata var. megalantha R. Evans 1921-3-30 s.n. Riverside Painted Canyon, near Mecca. Comment
  RSA25321  Mentzelia involucrata var. megalantha C. L. Hitchcock 1940-3-29 5855 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  UC64494  Mentzelia montana H. M. Hall June 1897 647 Riverside vicinity strawberry Valley; San Jacinto Mountains 1584 Comment
  RSA604767  Mentzelia obscura A. C. Sanders, B. Pitzer, D. Charlton, J. Kniffen 1986-3-3 6074 Riverside Corn Spring, Chuckawalla Mtns, wash below the spring and wash and rocky slopes to the south. 488 Comment
  CAS-BOT-BC170850  Mentzelia veatchiana R. F. Hoover 1969-4-11 11212 Riverside Mouth of Morongo Valley Canyon Comment
  UCR77769  Microseris douglasii subsp. douglasii Steve Boyd, D. E. Bramlet 1991-5-13 6233 Riverside Peninsular Range, Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. Vernal pool association in pasture north of Santa Fe Railroad tracks, west of San Diego Aqueduct 457 Comment
  SD262201  Microseris douglasii subsp. platycarpha Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317 39 Riverside Temescal Valley: East side of Campbell Ranch Rd, A+-500 ft north of Indian Truck Trail (Alberhill 7.5'Q) 360 Comment
  RSA560362  Microseris heterocarpa Steve Boyd 1992-4-14 6819 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  UCR144405  Microseris heterocarpa Scott D. White, Michael Honer 2003-4-2 8918 Riverside Peninsular Ranges/Santa Ana Mtns, Temescal Canyon: Alberhill area N of the I-15 Fwy, on and near crest of unnamed mountain, '2349 716 Comment
  RSA500094  Microseris lindleyi Steve Boyd, Lewis S. Ross, Laurel Arnseth 1989-4-2 3216 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  UCR260550  Microseris lindleyi T. B. Salvato, Matt Malle 2014-5-29 8020 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  RSA0018769  Mimetanthe pilosa Philip A. Munz, I. M. Johnston 1924-7-27 8849 Riverside 7 miles SE of Poppet Flat. San Jacinto Mountains. 1524 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
  RSA0030784  Mimulus aurantiacus var. pubescens N. C. Cooper 1944-7-15 1554 Riverside Palms to Pine Hwy 1463 Comment
  UC943832  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1894 A Riverside Indian Canyon Truck Trail Santa Ana Mountains 853 Comment
  UCR102860  Mimulus aurantiacus var. puniceus A. C. Sanders 1997-3-26 20096 Riverside Lake Skinner area, along foot trail at west base of Tucalota Hills 518 Comment
  UCR151972  Mimulus aurantiacus var. puniceus Steve Boyd, Aydee Virgen 2004-4-13 10850 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  POM292851  Mimulus bigelovii var. bigelovii Lyman Benson, Robert Benson 1952-4-8 14846 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area. 610 Comment
  UC963821  Mimulus bigelovii var. bigelovii Helen K. Sharsmith 1952-4-11 4061 Riverside ca. 2 mi from Shaver Summit; Mojave Desert, Eagle Mountains, Lost Palms Canyon 670 Comment
  UCR108856  Mimulus brevipes Heidi A. Haid 1968-5-4 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR133674  Mimulus brevipes John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR157952  Mimulus brevipes T. B. Salvato, A. C. Sanders 2005-5-17 931 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
  POM122819  Mimulus cardinalis Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA525697  Mimulus diffusus Steve Boyd, Tim S. Ross 1990-5-11 4635 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA557872  Mimulus floribundus Steve Boyd, Orlando Mistretta 1992-4-23 7058 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside Co. line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 243 Comment
  LA209477  Mimulus fremontii Elizabeth McClintock; 1940-6-30 sn Riverside San Jacinto Mts., Between Fern Basin Camp and Marion Camp, Banning-Idyllwild road Comment
  UC472795  Mimulus fremontii var. fremontii M. F. Spencer 1921-7-1 13 Riverside Banning Road from Palm Springs; San Gorgonio Pass Comment
  SBBG66633  Mimulus guttatus M. Lewis 1947-8-26 24 Riverside Dark Cyn 1981 Comment
  UC27078  Mimulus palmeri Geo. F. Reinhardt June 1897 Riverside San Jacinto Mountains Comment
  RSA564287  Mimulus pilosus Ed LaRue 1993-5-10 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side of Hwy 215 457 Comment
  UCR167934  Mimulus pilosus T. B. Salvato, Melissa Clemons 2005-6-23 1324 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  UCR90597  Mimulus pilosus Scott D. White 1995-6-29 3378 Riverside Santa Ana Mtns., Murrieta Creek, NW of Murrieta, upstream from Cole Creek confluence, at Calle de Oso Oro Rd. crossing 351 Comment
  UCR257223  Mimulus primuloides Naomi Fraga, Et al. 2008-8-28 2609 Riverside Peninsular Range; San Jacinto Mountains, Mount San Jacinto State Park; Hidden Lake 2652 Comment
  RSA788962  Mimulus puniceus Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49535 Riverside Santa Ana Mountains: along Ortega Highway (74) Comment
  CAS-BOT-BC388773  Minuartia douglasii Steve Boyd 1986-4-22 1773 Riverside Temescal Canyon: Terrace escarpment E side of Indian Wash, S of I-15 Comment
  POM12787  Minuartia douglasii P. A. Munz 1922-6-23 5773 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  RSA591744  Minuartia douglasii J. C. Roos 1952-5-26 5726 Riverside Reche Canyon. 427 Comment
  RSA170154  Mirabilis albida L. B. Ziegler 1964-07 s.n. Riverside Garner Valley, San Jacinto Mts. NW of Kenworthy Ranger station. 1402 Comment
  SEINET272153  Mirabilis californica A. C. Sanders 1997-3-1 19 Riverside Box Springs Mountains: S end of the range along Gernert Rd. in valley drainging to Box Spring Cyn. 457 Comment
  SEINET3092406 Image available Mirabilis californica Diane L. Ill 1985-5-12 44 Riverside Gavilan Hills, Hartford Springs, 1.9 miles south of Cajalco Road on Gavilan Road. Ten to 40 feet from road edge. Comment
  UCR133974  Mirabilis californica Mitch Provance, J. S. Ross 1998-3-27 MOR- 967 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  HSC86981  Mirabilis laevis var. crassifolia B. Pitzer, A. C. Sanders 1987-4-21 500 Riverside Box Spring Mtns. near S radio towers 793 Comment
  SBBG69801  Mirabilis laevis var. crassifolia M. N. Ackley 1928-4-1 719 Riverside Snow Crk, Mt San Jacinto 518 Comment
  CAS-BOT-BC434816  Mirabilis laevis var. retrorsa C. L. Hitchcock 1940-4-1 5906 Riverside 1 mi. below Cottonwood Springs, Joshua Tree National Monument. Comment
  RSA314622  Mirabilis laevis var. retrorsa Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55411 Riverside San Bernardino Mountains; Mouth of Whitewater canyon, east of Whitewater Post Office at south end of ridge, in sandy wash east of bridge, and on base of west-facing slope of ridge. 412 Comment
  RSA450140  Mirabilis laevis var. villosa J. C. Roos 1966-3-26 s.n. Riverside 2 miles SE of Desert Center. Comment
  SD119906  Mirabilis pumila Louis B. Ziegler 1964-8-10 29 Riverside Garner Valley; San Jacinto Mountains. 1402 Comment
  CHSC1807  Mohavea confertiflora L. Oliver; D. Sloan 1935-4-17 Riverside North Colorado desert. Comment
  JOTR37507  Mohavea confertiflora Hodges, Stephen R. 2016-3-1 633 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 on loose unconsolidated sand ramps Comment
  POM293604  Mohavea confertiflora Lyman D. Benson 1945-3-29 11633 Riverside Canyon on Palm Springs Road, Colorado Desert, Little San Bernardino Mountain. 610 Comment
  RSA0031616  Mohavea confertiflora Jim Andre 2013-3-27 24812 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  RSA124452  Mohavea confertiflora Percy C. Everett 1958-4-29 23020 Riverside U. S. Hwy. 60/70, Indio to Blythe, 1 mi. W. of Cactus City. Comment
  RSA408772  Mohavea confertiflora Robert M. Perkins, H. de Forest 1937-3-15 374 Riverside N. of Blythe, along Co. Riverside. Comment
  RSA517244  Mohavea confertiflora Steve D. Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1335 Riverside Shavers Valley, Colorado Desert: Hwy 195 north base of the Orocopia Mountains, halfway between Box Canyon and I-10. Comment
  UC1546688  Mohavea confertiflora Barry A. Prigge 1988-2-21 7846 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well 228 Comment
  UCR148330  Mohavea confertiflora John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR148451  Mohavea confertiflora S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  UC1995305  Monardella C. Epling, Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino Mountains 1524 Comment
  CAS-BOT-BC215454  Monardella linoides subsp. linoides Philip A. Munz 1938-8-14 15380 Riverside Ridge east of Toro Peak, Santa Rosa Mts. 2286 Comment
  IRVC2054  Monardella linoides subsp. linoides R. H. Whittaker, W. A. Niering 1963-6-7 SJ 280 Riverside Santa Rosa Mtns: Palms to Pines Hwy. Peninsular Ranges 1098 Comment
  JOTR30271  Monardella linoides subsp. linoides Leary, Pat, Cari Leary 1987-5-9 3813 Riverside Joshua Tree National Park. 1.0 km south of Jumbo rocks campground, T2S R9E sec20 [UTMs estimated, January 2010] Comment
  LA96112  Monardella nana Elizabeth McClintock; 1941-6-8 64 Riverside 2.5 mi. above Pines to Palms Hwy Comment
  UC1499896  Monardella nana Elizabeth McClintock 1941-6-8 57 Riverside Road to Santa Rosa Mt. 1/2 miles above Pines to Palms Highway Comment
  RSA651658  Monardella nana subsp. arida Elizabeth McClintock 1941-7-12 107 Riverside San Jacinto Mountains. Trail to Deer Springs, a short distance below first spring which crosses trail. Comment
  RSA750296  Monardella nana subsp. arida Elizabeth McClintock 1941-7-12 105 Riverside San Jacinto Mts. A few hundred feet beyond the forks on the trail to Suicide Rock. Comment
  UCR221483  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 068 Riverside Peninsular Range; Santa Rosa Mtns., 1.5 miles east of Ribbonwood, Pines to Palms Highway 1250 Comment
  RSA651650  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 62 Riverside Road to Santa Rosa Mountain, 2.6 miles above Pines to Palms Highway. [Hwy 74] Comment
  LA62513  Monardella viminea Carl Epling; William Robison 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  GMDRC2589  Monoptilon bellidiforme J. Andre, T. La Doux 2008-3-21 8830 Riverside Little San Bernardino Mountains: JTNP: Pinkham Exit dirt road, at Cottonwood Visitor's Ctr, just N. of Cottonwood Cyn.. Elev. 3080 ft. 939 Comment
  CAS-BOT-BC349806  Monoptilon bellioides S. B. Parish 1896-4-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  POM250432  Monoptilon bellioides I. W. Clokey 1935-4-17 6811 Riverside Cottonwood Springs. Comment
  UCR214163  Monoptilon bellioides T. B. Salvato 2010-4-20 4059 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  UCR214420  Monoptilon bellioides A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37491 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UC218123  Montia chamissoi P. A. Munz 1922-7-6 5994 Riverside San Jacinto Mountains, Tahquitz Valley Tahquitz Valley; San Jacinto Mountains, Tahquitz Valley 2194 Comment
  POM259729  Muhlenbergia microsperma E. C. Jaeger 1939-12-1 s.n. Riverside Orocopia Mountains 366 Comment
  RSA612496  Muhlenbergia microsperma D. L. Banks 1997-2-23 1321 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
  JOTR34094  Muhlenbergia porteri Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 8 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  HSC78733  Muilla maritima A. C. Sanders, T. Glenn 1983-4-17 3731 Riverside Mesa de Colorado, Santa Ana Mtns., 5 mi. SW of Murrieta 612 Comment
  RSA68692  Muilla maritima F. W. Peirson 1922-4-29 2942 Riverside 2 miles south of Elsinore. 366 Comment
  RSA563909  Myosurus minimus subsp. apus A. C. Sanders 1993-4-1 13664 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
  SBBG238  Myriopteris covillei H. and M. Dearing 1941-3-5 4809 Riverside Andreas Cyn Comment
  SD9581  Myriopteris viscida S. B. Parish, W. F. Parish Mar 1881 Riverside Whitewater, desert side of San Bernardino Mountains Comment
Read comments
Jan 14 2010
  RSA421097  Nama demissa P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  SEINET9120535  Nama demissa E. Adams 1978-1 S.N. Riverside Mecca, Box Canyon; desert wash. Comment
  RSA778009  Nama demissa var. demissa Jim Andre 2011-2-9 15920 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  RSA719037  Nama hispida Michael Honer 2005-3-11 2063 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  RSA179527  Nassella pulchra E. W. Lathrop 1964-5-10 5374 Riverside 10 miles west of Murrieta. 610 Comment
  LA102250  Navarretia atractyloides John C. Roos; 1950-5-27 4818 Riverside NE summit of Reche Canyon 761 Comment
  POM220131  Navarretia atractyloides F. M. Reed 1932-6-20 7239 Riverside Dry roadside opposite Prison Camp at Dripping Springs - road from Temecula to Aguanga. Comment
  UCR140905  Navarretia atractyloides Virginia Moran 2003-5-28 s.n. Riverside Peninsular Range; Perris-Aguanga Basin region, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  POM13628  Navarretia capillaris E. C. Jaeger 1921-7-1 1046 Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA550479  Navarretia fossalis D. E. Bramlet 1992-5-8 2273 Riverside The site is south and west of the San Jacinto Wildlife Area, approximatly 1.2km north of Lakeview. It is located 700m. west of Davius Road, 61m north of Marvin Road. and 30m east of the San Jacinto River levee. 433 Comment
  UCR189559  Navarretia fossalis Diane Menuz 2006-5-9 077 Riverside Peninsular Range, Perris Basin, San Jacinto Wildlife Area, across the street from main headquarters and information booth 432 Comment
  UC1922319  Navarretia hamata Scott D. White, Jennifer H. Jones 2005-5-25 11113 Riverside Santa Ana Mtns: Rainbow area; mountain foothils west of I-15 Freeway and immediately N of San Diego County line. Comment
  UCR25988A  Nemacladus glanduliferus John C. Roos 1947-3-15 3354 A Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains, mouth of Deep Canyon at foot of mtns. 366 Comment
  RSA698132  Nemacladus glanduliferus var. orientalis J. R. Bruff 1928-4-2 111 Riverside Canyon W of Morengo Comment
  SEINET10458417  Nemacladus longiflorus Secrest 1951-5-18 SECREST s.n. Riverside San Jacinto River bed, few miles east of Hemet Comment
  UC1595624  Nemacladus ramosissimus Steve Boyd 1991-5-20 6260 Riverside s flank Alberhill Mtn. (w end adjacent to old clay mine area); Temescal Canyon 426 Comment
  UCR266495  Nemacladus ramosissimus Mitch Provance, Robin Kinmont 2015-3-30 315- 57 Riverside Temecula/Murrieta Region, Murrieta Hot Springs, unnamed hill about 0.5 miles W of Skunk Hollow, S of Hidden Lake Rd. 440 Comment
  SEINET13681943  Nemacladus rubescens Tina Ayers, Randy Scott 2017-3-19 1921 Riverside Chuckwalla Mountains, ca 8 miles west of Chuckwalla Valley Road on Dupont Road, roadside at edge of wilderness area 152 Comment
  RSA75155  Nemacladus tenuis H. K. Wagnon 1944-3-26 362 Riverside Cathedral Canyon, Cathedral City. Comment
  RSA519024  Nemacladus tenuis var. aliformis George K. Helmkamp 1986-4-7 757 Riverside Canyon Just E of and parallel to Hwy 62, above Indian Ave. BLM Land. 579 Comment
  RSA191996  Nemophila menziesii E. W. Lathrop 1959-4-2 4403 Riverside Cleveland National Forest, Trabuco District, Tenaja Guard Station, slopes of Tenaja Canyon. Comment
Read comments
Apr 28 2011
  UCSB33377  Nemophila menziesii Marks, R. 1978-3-16 Riverside At top of hill 3/4 mi. W of orange grove at 3000 McAllister Dr. in Riverside 457 Comment
  UC1929949  Nicotiana attenuata Scott D. White, Justin Wood 2008-6-16 12140 Riverside San Jacinto Mountains: Meadow at Quinn Flat. Idyllwild, Palm View Peak 7.5' Quad. Comment
  RSA192313  Nicotiana bigelovii var. wallacei H. A. Zuill 1966-7-1 272 Riverside Main Divide Truck Trail in the moutains south of Elsinore Lake. Comment
  SDSU13689  Nicotiana glauca James C. Dice with J. Dewald 1987-10-5 734 Riverside Santa Margarita River, near aqueduct crossing. T8S, R3W, southeast 1/4 of northeast 1/4 of section 27. 247 Comment
  RSA25296  Nicotiana obtusifolia C. Leo Hitchcock 1940-3-31 5889 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  UC1922385  Nicotiana obtusifolia Michael Honer with L. Hulse 2004-4-2 1875 Riverside Colorado Desert; Little San Bernardino Mountains Region: Blind Canyon; approx. 1/2 mi N of Desert Hot Springs. Comment
  UCR174031  Nicotiana quadrivalvis A. C. Sanders 2006-5-19 32426 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
  JOTR32294  Nolina bigelovii Harding, Mitzi, T. Herskovits, M. Wheeler 2011-6-22 15 Riverside Joshua Tree National Park. Pinto Basin; Smoke Tree Wash; Flat, sandy wash along Pinto Basin road 819 Comment
  UC2030242  Notholaena californica Beck with M. D. Windham, C. J. Rothfels, A. Grusz, K. Pryer, E. Schuettpelz 2008-5-15 1093 Riverside Outskirts of Palm Springs just W of Palm Canyon Drive Comment
  POM9801  Notholaena californica subsp. californica P. A. Munz 1922-07 4704 Riverside Andreas Canyon. Comment
  UCR107757  Oenothera californica subsp. californica D. L. Banks 1997-5-5 1973 Riverside NW Palomar Mtns, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pachanga Creek. east of where road crosses to southern bank of south fork of Pechanga Creek. 482 Comment
  CSUSB207  Oenothera deltoides Linda Stangor 1974-4-18 Riverside Windy Point; South side of Windy Point dunes. Comment
  UCSB9470  Oenothera deltoides subsp. deltoides Lloyd, Robert 1960-3-23 Riverside One mile from U.S. Hiway 99 on State Road 111, to Palm Springs, San Jacinto Mt. Range 396 Comment
  CDA38176  Oenothera pallidula M. Wasbauer 1960-3-26 s.n. Riverside Shaver s Summit. 0 Comment
  CLARK-A1528-2648  Oenothera speciosa Charles S. Papp 1965-6-16 860 Riverside Highgrove Comment
  UCD170722  Oenothera xenogaura A. C. Sanders; Steven R. Hill 2001-5-4 24127 Riverside Perris-Aguanga Basin region: Temecula, Long Canyon area west of Del Rey Road, along bottom of canyon west of junction of Ave. Pina Colada. 345 Comment
  SBBG25820  Oligomeris linifolia E. R. Blakley 1966-4-9 6748 Riverside jct of US Hwy 60-70 and Wiley Well Rd, ca. 15 mi W of Blythe 121 Comment
  SBBG4040  Oligomeris linifolia H. and M. Dearing 1941-4-9 4626 Riverside near Mecca Comment
  UCR41587  Oligomeris linifolia A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6114 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR50294  Oligomeris linifolia B. G. Pitzer, S. J. Myers, J. Wilkinson 1988-2-21 607 Riverside Sonoran (Colorado) Desert, S end of Coxcomb Mtns, 0.2 mi. north of Hwy 177 (Old Desert Center - Rice Road), at 10.6 mi. NE of Desert Center 229 Comment
  UCR241412  Oncosiphon piluliferum T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7440 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  UCR263244  Oncosiphon piluliferum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41474 Riverside San Gorgonio Pass, 3.3 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 445 Comment
  UCR167374  Opuntia basilaris 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
  UCR177990  Opuntia littoralis John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, unincorporated area along San Diego Aqueduct Corridor, 1 km due west of Skunk Hollow, between Nicholas Rd. and Borel Rd., east of Murrieta Hot Springs 421 Comment
  RSA0114702  Opuntia phaeacantha Marc A. Baker, Michelle Cloud-Hughes 2011-6-11 17370 Riverside Along Morris Ranch Road, 640m NNE of Kenworthy Station, 3.5 km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain, 16km SW of Idyllwild. 1445 Comment
  SEINET2057454 Image available Opuntia phaeacantha Karin Cleary 1987-5-21 73 Riverside San Jacinto, chaparral N side of Gilman Springs Rd., 0.4 km SE of the intersection of Gilman Springs Rd and Bridge St. 463 Comment
  UCR277926  Opuntia phaeacantha Mitch Provance, A. C. Sanders, T. B. Salvato, Tim Thomas 2008-7-1 808- 01 Riverside Peninsular Range; San Jacinto Mtns., May Valley, slopes west of Herkey Creek and north of Bonita Vista Rd., SSW of Fleming Ranch 1524 Comment
  JEPS18058  Orcuttia californica Frank W. Peirson 1922-5-19 3020 Riverside Menifee Valley Comment
  RSA356633  Orcuttia californica R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 47318 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  CAS-BOT-BC355577  Oreostemma alpigenum var. andersonii Mary F. Spencer 1919-7-6 1256 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mt. 2377 Comment
  CAS-BOT-BC355578  Oreostemma alpigenum var. andersonii H. M. Hall 1901-7-30 2574 Riverside San Jacinto Mountains.Tahquitz Valley 2499 Comment
  UCR103999  Orobanche cooperi George K. Helmkamp 1998-4-4 3144 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  RSA407959  Orthocarpus purpurascens E. Crow 1929-4-7 306 Riverside Corona Skyline Drive, Santa Ana Mts. Comment
  RSA523550  Orthocarpus purpurascens var. purpurascens Steve D. Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4010 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  CAS-BOT-BC355751  Osmadenia tenella Steve Boyd 1986-5-7 1837 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15 Comment
  RSA562105  Osmorhiza brachypoda Steve Boyd 1992-4-14 6801 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
  UCR165202  Oxytheca caryophylloides Margaret Bornyasz 2003-8-7 s.n. Riverside Peninsular Ranges, San Jacinto Mtns. Banning/Idyllwild Road 243, 0.9 mi N of Vista Grande Guard Station 1425 Comment
  UC597594  Oxytheca emarginata Philip A. Munz 1937-5-30 15081 Riverside nw slope of Santa Rosa Mts. Santa Rosa Mts. 2133 Comment
  UC6614  Oxytheca trilobata H. M. Hall 1899-5-21 1164 Riverside Chalk Hill San Jacinto Mountains 1584 Comment
  CAS-BOT-BC327929  Palafoxia arida Ira L. Wiggins 1938-3-19 8902 Riverside Colorado Desert.25 mi W of Blythe Comment
  RSA653713  Palafoxia arida Scott D. White 2000-3-23 7634 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion. 152 Comment
  RSA796476  Palafoxia arida Duncan S. Bell 2009-4-18 204 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  SBBG19981  Palafoxia arida M. A. Piehl 1963-9-18 63843 Riverside US Hwy 80, 2.7 mi W of Desert Center 312 Comment
  UCR148299  Palafoxia arida John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  POM363743  Palafoxia arida var. arida M. B. Dunkle 1935-3-17 4401 Riverside Desert Center. 610 Comment
  RSA587723  Palafoxia arida var. arida E. R. Blakley 1993-5-20 7566 Riverside W of roadside rest area at jct of Hwy 19 and road S to Wiley's Well, ca 15 mi W of city of Blythe Comment
  RSA6125  Palafoxia arida var. arida C. B. Wolf 1932-5-25 3684 Riverside San Gorgonio Wash, on road to Snow Creek. 366 Comment
  UC39300  Panicum acuminatum var. acuminatum H. M. Hall June 1901 2244 Riverside North Fork San Jacinto River San Jacinto Mountains, North Fork San Jacinto River (Southern California) 914 Comment
  RSA801737  Panicum antidotale Anonymous 1952-9-20 s.n. Riverside San Jacinto Valley. Hemet. Comment
  SD211515  Panicum capillare Justin M. Wood 2008-9-19 130 Riverside Southwest Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 292 Comment
  RSA782355  Panicum hirticaule subsp. hirticaule Stephanie Rockwood, Christi Gabriel 2011-10-18 126 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 96 Comment
  RSA92446  Panicum urvilleanum F. W. Peirson 1928-3-10 7703 Riverside Just east of Whitewater Bridge, near Whitewater, at head of Coachella Valley. Comment
  RSA524466  Parietaria hespera var. hespera Steve D. Boyd, Tim S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4069 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  UCR113896  Parietaria hespera var. hespera Mitch Provance 1998-4-14 439 Riverside Jurupa Mountains, Crestmore Heights, E. Rattlesnake Mt., 'Oak Knoll' about 0.5 km west of Rubidoux Blvd., across the street from the Crestmore Mines at the Riverside Cement Company. 396 Comment
  SEINET10576906  Parkinsonia Carl C. Epling 1927-3-27 Epling s.n. Riverside Thousand Palms Comment
  UCR235049  Parkinsonia aculeata A. C. Sanders, John F. Green 2012-5-27 40212 Riverside Peninsular Range; Perris-Aguanga Basin Region, eastern edge of Gavilan Hills, powerline route west of San Jacinto River and east of Hwy 74, 5.6 km SE of Perris 441 Comment
  CAS-BOT-BC293716  Parkinsonia florida Mona Bourell 1987-4-14 3271 Riverside BLM California Conservation Area, Hwy 195, spur off of Box Canyon. Near Mecca 150 Comment
  SEINET10907017  Parkinsonia florida Billy Joe Cox 1975-6-26 Cox 4202 Riverside 1-3 km W, (ca 32 mi S of Blythe). 70 Comment
  SEINET3133948  Parkinsonia torreyana S. B. Parish 1907-4-19 6 -101 Riverside W border of Colorado Desert 150 Comment
  UCR108481  Pectocarya A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16228 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
  RSA703376  Pectocarya heterocarpa LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1429 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  SEINET2043250 Image available Pectocarya heterocarpa A. C. Sanders, P. J. & G. MacKay, A. KNapp, C. Sanders 1995-2-19 15944 Riverside Santa Rosa Mountains: Coachela Valley at foot of Mountains; ancient fish traps 2.2 mi W of Valerie (Valerie Quad 7.5') T7S R7E sec 11 (SE/4) 0 Comment
  UCR249666  Pectocarya heterocarpa T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7304 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  UCR279371  Pectocarya heterocarpa A. C. Sanders, Jim Malusa 2017-3-24 42959 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  UCR33810  Pectocarya heterocarpa Sears 1978-3-16 826 Riverside Sonoran (Colorado) Desert, 2.5 mi NW of Midland, in wash area beyond gap between Little Maria and Big Maria Mtns 270 Comment
  UCR183004  Pectocarya linearis Mitch Provance 2003-5-5 4405 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  RSA594526  Pectocarya penicillata D. L. Banks, Dylan Hannon 1996-5-3 1006 Riverside Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, 30 m N of campsite #9 487 Comment
  UCR228905  Pectocarya penicillata A. C. Sanders 2011-4-6 39003 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
  GMDRC9791  Pectocarya recurvata J. M. Andre 2017-3-1 37987 Riverside Orocopia Mountains: north end of range, along Pinto Rd, 1.3 mi. ESE of Interstate 10 ( Box Cyn/Cottonwood Spring Rd exits). 479 Comment
  SBBG6313  Pectocarya recurvata H. and M. Dearing 1937-4-10 1538 Riverside near Hayfield Comment
  UCR256746  Pectocarya recurvata T. B. Salvato, Matthew Malle 2013-4-11 7535 Riverside Gavilan Hills, southeastern slopes, hill above Black Powder Canyon and c. 0.5 mi north of the Temescal Canyon 419 Comment
  JOTR01189  Pectocarya recurvata Cole, James E. 1941-3-30 446 Riverside Joshua Tree National Park. PINTO BASIN 457 Comment
  JEPS68236  Pectocarya setosa W. L. Jepson 1901-5-27 1465 Riverside Thomas Valley San Jacinto Mountians, Thomas Valley Comment
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Feb 16 2013
  UC1424841  Pedicularis densiflora E. W. Lathrop 1977-4-13 7606 Riverside 4 mi w of Corona (between Tin Mine Canyon and Santiago Peak, Skyline Drive, Sierra Peak near the towers); Santa Ana Mountains Comment
  UC1979662  Pedicularis densiflora Darin L. Banks, Steve Boyd 1995-3-15 60 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., DorlandMtn. area. Comment
  UCR104692  Pedicularis densiflora G. F. Pratt 1998-2-5 s.n. Riverside Peninsular Range, Big Oak Mountain, north of Vail Lake, near the summit of peak on N side. 915 Comment
  UCR35225  Pedicularis densiflora L. B. Ziegler 1973-3-6 498 Riverside Peninsular Range; San Jacinto Mtns. Region, Foothills of the mountains, south of Hemet; Tucalota Creek west of Sage 579 Comment
  RSA0030780  Pedicularis semibarbata N. C. Cooper 1944-6-17 1409 Riverside San Jacinto Mtns. Pine Cove. 1677 Comment
  UCSB18151  Pediomelum californicum Gates, Mary 1964-5-17 Riverside Pinyon Flats Campground, State Highway 74, 25 miles SE of Indio 1219 Comment
  CHSC8341  Pellaea andromedifolia Edward L. Smith 1958-3-6 343 Riverside Located at Coldwater Canyon, Glen Ivy, sw side of Temescal Canyon Road, Temescal Mtns. 762 Comment
  RSA320391  Pellaea mucronata subsp. californica W. Wisura, B. Busenberg 1984-10-19 4027 Riverside Santa Rosa Mountains: along top of ridge on N side of Toro Peak Comment
  SD81615  Pellaea mucronata subsp. californica Louis C. Wheeler 1931-10-4 174 Riverside Strawberry-Tahquitz Valley Trail, San Jacinto Mountains 2040 Comment
  IRVC3155  Pellaea mucronata var. californica R. H. Whittaker, W. A. Niering 1963-5-27 SJ 5 Riverside Mountain Center; Hemet Highway [74]; slope ESE 20 degrees; slightly concave. Peninsular Ranges, San Jacinto Mountains 1448 Comment
  JOTR30214  Pellaea mucronata var. mucronata Leary, C. and Leary, Pat 1979-5-5 2989 Riverside Joshua Tree National Park. On west facing slope above Lower Covington Flats, Joshua Tree National Monument; T2S R7E sec 6 Comment
  RSA85120  Pellaea mucronata var. mucronata J. C. Roos 1952-5-7 5616 Riverside Box Springs Mountains, north of Canyon Crest Heights 457 Comment
  UCR178017  Penstemon X parishii Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 524 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  SDSU10925  Penstemon bridgesii H. Wedberg 1962-7-28 996 Riverside Near Black Mtn. Public Campground in San Jacinto Mtns. 2317 Comment
  RSA750550  Penstemon californicus Scott D. White, Justin M. Wood 2009-5-21 12872 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  JEPS15120  Penstemon centranthifolius P. A. Munz and I. M. Johnston 1922-5-6 5195 Riverside Covington Ranch Morongo Pass, Covington Ranch (Southern California) 762 Comment
  UCR99405  Penstemon centranthifolius Scott D. White 1996-8-16 4479 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  UC1409152  Penstemon heterophyllus var. australis Robert F. Thorne and Earl Lathrop 1969-6-6 39333 Riverside Rancho California , Rancho California (Santa Rosa Plateau) 609 Comment
  POM4523  Penstemon labrosus H. M. Hall 1901-07 2506 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  RSA733711  Penstemon spectabilis Jeanne Payton 1934-4-16 s.n. Riverside Hagador Canyon. Comment
  RSA0070738  Pentagramma viscosa Scott D. White, Teresa Salvato 2001-6-8 8591 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  CAS-BOT-BC355995  Perityle emoryi Geo. B. Grant 1906-4-20 6784 Riverside Palm Springs Comment
  CAS-BOT-BC355996  Perityle emoryi L. R. Abrams 1926-3-26 11012 Riverside Palm Springs Comment
  POM178001  Perityle emoryi Marcus E. Jones 1930-3-15 26505 Riverside Eagle Mountains. Comment
  UC170155  Perityle emoryi E. E. Schellenger 1894-12-3 104 Riverside Churckawalla Wash, Colorado Desert Comment
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Sep 15 2016
  UCR214428  Perityle emoryi A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37477 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  OBI78428  Persicaria punctata Steve Boyd 1985-7-23 1014 Riverside De Luz Rd, 8 mi W of Rancho California; In Sandia Crk 305 Comment
  CLARK-A1528-3171  Petalonyx linearis 1949-6-2 4143 Riverside Orocopia Mountains 152 Comment
  CLARK-A1703-1212  Petalonyx thurberi Robin L. Kobaly 1977-4-16 Riverside Palm Desert Comment
  SD113277  Petalonyx thurberi subsp. thurberi Darley F. Howe 1936-6-14 354 Riverside Palm Springs. Comment
  RSA612171B  Petunia parviflora Louis C. Wheeler 1932-7-9 932 Riverside Santa Ana River at Chino Creek. 152 Comment
  UCR14316  Petunia parviflora A. C. Sanders 1974-3-24 621 Riverside Santa Ana River Valley, Santa Ana Riverbottom near city dump, Riverside; at mouth of Arroyo Tequesquite 244 Comment
  UCR20986  Petunia parviflora A. C. Sanders, Steve Boyd 1980-5-19 1478 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  UCR99789  Petunia parviflora Julie A. Greene, Steve Boyd, D. E. Bramlet, Hilda Flores, H. Ochoterana 1993-7-9 1416 Riverside San Jacinto Valley, San Jacinto Wildlife Area [northwest of Lakeview] 433 Comment
  CAS-BOT-BC326834  Peucephyllum schottii Frank W. Peirson 1919-4-13 4737 Riverside 1st canyon east of Palm Canyon, Colorado Desert Comment
  LA203886  Peucephyllum schottii T. Craig; 1932-2-24 1796 Riverside Coachella Valley, Cathedral City Comment
  POM14297  Peucephyllum schottii P. A. Munz, D. D. Keck 1922-4-9 4810 Riverside South base of Eagle Mtns. 183 Comment
  SEINET11809955  Peucephyllum schottii S. B. Parish, Parish, W. F. 1881-1 347 Riverside Whitewater River Comment
  RSA426005  Phacelia ambigua N. C. Cooper 1949-4-8 3258 Riverside Mecca Pass east of Indio 457 Comment
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Sep 7 2011
  JEPS1555  Phacelia brachyloba W. L. Jepson May 17 1901-Jun 1 1901 1282 Riverside near Strawberry Valley; Mt. San Jacinto, San Jacinto Canyon Comment
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Jul 8 2014
  RSA427680B  Phacelia brachyloba N. C. Cooper 1944-5-21 1268 a Riverside San Jacinto Mountains, west side. 1220 Comment
  RSA487229  Phacelia brachyloba James L. Reveal, C. Rose Broome 1987-6-27 6607 Riverside San Jacinto Mtns, along California Hwy 243, 1.8 miles N of Mountain Center and 2.7 miles S of Idyllwild. 1494 Comment
  SD216487  Phacelia brachyloba Jay B. Walker 1995-5-4 1416 Riverside San Bernardino National Forest. Highway 74, 3 kilometers east of junction with Santa Rosa Mountain Road. 1399 Comment
  CLARK-A1528-2990  Phacelia campanularia John C. Roos 1947-2-15 3245 Riverside Eagle Mountains Comment
  SD4103  Phacelia campanularia Ruth B. Randall 1926-2-22 Riverside Whitewater Pass Comment
  SEINET3158082  Phacelia campanularia S. B. Parish 1907-4-16 6132 Riverside western border of the Colorado Desert 350 Comment
  UCR178528  Phacelia campanularia R. G. Swinney 1967-3-5 0053 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  HSC13709  Phacelia cicutaria var. hispida C. L. Hitchcock 1966-3-15 24156 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  RSA613405  Phacelia cicutaria var. hispida D. L. Banks 1997-4-5 1686 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 670 Comment
  UC881077  Phacelia cicutaria var. hispida C. L. Hitchcock 1940-4-12 6040 Riverside 8 mi nw Elsinore 457 Comment
  RSA783488  Phacelia crenulata J. D. Olmsted 1958-3-29 80 Riverside Joshua Tree National Monument. Pinto Basin 15-20 mi north of junction between Cottonwood Pass and Cottonwood Spring Roads on the former, now become Pinto Basin Road just past Cholla Cactus Gardens. 762 Comment
  UCSC001204  Phacelia crenulata Peter Kamb 1948-4-11 863 Riverside Aqueduct Road 5 mi east of Garnet Garnet - Coachella Valley, Larrea plain 305 Comment
  RSA0014470  Phacelia crenulata var. ambigua Justin M. Wood, J. Miner 2010-4-29 1544 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  RSA0043224  Phacelia crenulata var. ambigua Duncan S. Bell 2010-4-2 694 Riverside Arica Mountains: collecting along the ridgeline of the mountain range about 0.3 air mile north of the summit. 561 Comment
  UC572247  Phacelia crenulata var. ambigua H. S. Yates 1937-3-23 6409 Riverside 3 mi n Palm Springs; San Jacinto Quadrangle 213 Comment
  UCR104821  Phacelia crenulata var. ambigua George K. Helmkamp, E. A. Helmkamp 1998-2-5 2663 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  JOTR16718  Phacelia crenulata var. crenulata Baker, James K. & Baker, Ilisa T. 1966-6-1 s.n. Riverside Joshua Tree National Park. PINTO WYE MAINTENANCE AREA AT GATE Comment
  RSA0119975  Phacelia crenulata var. minutiflora Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9092 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 550 Comment
  UC667340  Phacelia cryptantha Annie M. Alexander and Louise Kellogg 1941-4-27 2098 Riverside Joshua Tree National Monument Joshua Tree National Monument (Riverside and San Bernardino Cos.) 1310 Comment
  RSA346252  Phacelia distans Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54068 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA651699  Phacelia distans Diane M. Ramirez 1983-5-15 29 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Comment
  RSA714422  Phacelia distans A. C. Sanders 2004-5-12 27861 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  SD72092  Phacelia distans John Thomas Howell 1930-5-10 4791 Riverside St. John's Grade Comment
  UC2015576  Phacelia distans A. C. Sanders with G. Helmkamp & P. MacKay 1995-3-12 16090 Riverside Coachella Valley: alluvial slopes at the foot of Rabbit Peak, Santa Rosa Mtns., below Sheep Canyon. Comment
  UCR174557  Phacelia distans Thi (Teresa) Bui, Jennifer H. Jones and Holly Summers 2006-5-31 s.n. Riverside Peninsular Ranges; San Jacinto Mtns., Just down Mt. Edna Road west off of Calif. Hwy 243 1146 Comment
  UCR279474  Phacelia distans A. C. Sanders, Jim Malusa 2017-3-29 43191 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  JEPS21174  Phacelia fremontii H. S. Yates 1937-3-24 6474 Riverside near mouth of Deep Canyon; Thermal Quadrangle 304 Comment
  RSA595740  Phacelia imbricata Louis C. Wheeler 1945-10-6 6135 Riverside Head of west fork of Snow Creek. 2378 Comment
  UCSB26909  Phacelia imbricata Wilken, Dieter 1969-6-30 Riverside County Road R1, 1.0 miles south of Idyllwild, San Jacinto Mtns. 1524 Comment
  HSC35440  Phacelia minor A. M. Montalvo, J. D. Ackerman 1975-6-26 530 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, 1/4 mi. W of Upper San Juan Campground Cleveland National Forest Comment
  RSA180249  Phacelia minor E. W. Lathrop 1965-4-4 5617 Riverside 8 miles west of Murrieta Comment
  UCR98689  Phacelia minor S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  UC284690  Phacelia mutabilis C. F. Baker 1895-7-13 Riverside San Jacinto Mts. Comment
  UCR181345  Phacelia ramosissima Mitch Provance 2003-7-7 6527 Riverside San Bernardino Valley, S of the site of the historic town of Declezville, in an unincorporated part of Riverside Co. just south of Fontana (in the Southridge area), along the NW slopes of the Jurupa Mountains, c. 0.3 miles ENE of peak 1437 317 Comment
  UC64049  Phacelia ramosissima var. latifolia H. M. Hall June, 1901 2284 Riverside in vicinity of Strawberry Valley San Jacinto Mountains 1600 Comment
  SEINET5499544  Phacelia vallis-mortae H. M. Hall 1897-3-27 415 Riverside Sage Comment
  UC1930169  Phalaris aquatica Scott D. White, Michael Honer 2003-6-3 9472 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  UCR220338  Phalaris lemmonii D. E. Bramlet 1991-5-7 2128 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  SEINET7073349  Phlox gracilis A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  JOTR35430  Phoenix dactylifera Kain, Katie, Angela Sowa 2012-10-16 s.n. Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  CAS-BOT-BC219552  Pholisma arenarium James N. Clark 1926-5-16 s.n. Riverside Near Gold Coin Mine Comment
  JOTR28819  Pholistoma membranaceum La Doux, Tasha 2005-3-1 1087 Riverside Joshua Tree National Park. 3.5 miles North of Cottonwood Visitor's Center at exhibit Comment
  POM47496  Pholistoma membranaceum Mary F. Spencer 1920-4-4 1583 Riverside Near Palm Springs; Colorado Desert. 1220 Comment
  RSA676301  Phoradendron californicum Scott D. White 2001-4-3 8235 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UC848873  Phoradendron densum Lewis S. Rose 1936-12-24 36811 Riverside 24 mi. s.w. Indio (Palms to Pines Hwy.); San Jacinto Mts., Palms to Pines Hwy. 1066 Comment
  CAS-BOT-BC135183  Phoradendron juniperinum John B. Leiberg 1898-3-17 3150 Riverside near Strawberry Valley 1700 Comment
  SD229304  Phoradendron leucarpum subsp. tomentosum Dick Schwenkmeyer 2012-4-18 709 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  RSA482012  Phoradendron villosum Richard Noyes, L. Arnseth 1988-9-10 723 Riverside Fern Basin Camp, 4 air miles northwest of Idyllwild. 1875 Comment
  RSA543132  Phoradendron villosum Steve D. Boyd, C. Boyd, K. A. Boyd 1991-3-16 5466 Riverside Cahuilla Mountain between Anza and Hemet, SW of Bautista Cyn. 1067 Comment
  JOTR29188  Physalis crassifolia La Doux, Tasha 2005-9-8 1300 Riverside Joshua Tree National Park. Fried Liver Wash 395 Comment
  RSA515207  Physalis crassifolia Steve D. Boyd 1986-3-13 1483 Riverside West Side Palen Mountains: NE of Desert Center; First large canyon at NW tip of western segment of range. Comment
  SBBG29194  Physalis crassifolia K. K. Muller 1967-9-14 1421 Riverside 5 mi E of Indio Comment
  SBBG6619  Physalis crassifolia H. and M. Dearing 1936-12-25 1711 Riverside Aqueduct Rd, 10 mi N of Indio [Long Cyn] Comment
  UC1143156  Physalis crassifolia H. S. Yates 1937-3-23 6447 Riverside 15 mi nne Mecca; Thermal Quad. 457 Comment
  RSA0035037  Physalis hederifolia Lee Haines 1952-4-6 s.n. Riverside Box Canyon. [county not specified] Comment
  UCD98404  Phytolacca americana var. americana Don Domenigoni 1986-4-21 s.n. Riverside At the Young property, Hemet. Comment
  UCR201855  Picris echioides Justin M. Wood 2008-10-29 212 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of First Street Bridge 320 Comment
  CAS-BOT-BC76998  Pilularia americana P. A. Munz 1922-4-29 5087 Riverside 1/2 mile south of Lake Elsinore 381 Comment
  SDSU21794  Pilularia americana Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3985 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  JEPS20056  Pinus attenuata Carl V. Meyer 1929-11-29 Riverside 250 yds. e Keen Camp Ranger Sta.; Mt. San Jacinto Comment
  SD136370  Pinus contorta subsp. murrayana Carl B. Wolf 1932-8-5 Riverside summit of San Jacinto Peak, San Jacinto Mountains 3295 Comment
  SEINET13289896 Image available Pinus coulteri D. W. Woodland 1974-1 1966 Riverside 1 mile North of Idyllwild, Mt. San Jacinto Wilderness Area, Riverside County, California Comment
  UC64550  Pinus lambertiana H. M. Hall 1901-7-2 2318 Riverside near Tauquitz 2590 Comment
  MACF014861  Pinus monophylla Dorothy L. Groninger 1964-12-5 21 Riverside Palms to Pines Highway 1219 Comment
  UCR46610  Pinus monophylla Dennis E. Kucera 1987-2-16 s.n. Riverside SE Mojave Desert, Coxcomb Mtns, near VABM Aqua, N end of range 1280 Comment
  CAS-BOT-BC72838  Pinus quadrifolia Verne Grant 1951-7-23 16111 Riverside Hillslope in narrow canyon, several miles east of Anza on road to Hwy 74. 762 Comment
  UCR103483  Pistacia atlantica A. C. Sanders 1996-10-22 19641 Riverside Riverside: east side of UCR campus near Greenhouse 20 335 Comment
  SD239486  Pistia stratiotes Dave Goodward 2010-10-6 Riverside Sonoran (Colorado) Desert: Thermal, 89635 Ave. 81, west of Hwy 86 and Harrison St. (Oasis 7.5'Q). Commercial fish production pond. -35 Comment
  SEINET3084169 Image available Plagiobothrys arizonicus Ed LaRue 1991-4-30 91 -75 Riverside Mojave Desert, 3 mi. SW of Ridgecrest; ca. 1.5 mi. N of intersection of Hwy 395 & China Lake Road. 823 Comment
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Dec 25 2013
  RSA512132  Plagiobothrys canescens Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, ca. 1 mi S of Hwy 60 on Nason St. Adjacent to W side of Nason, S of Dracaea Ave. Comment
  RSA752560  Plagiobothrys canescens Justin M. Wood 2009-3-3 324 Riverside City of Murrieta, south of Tanaja bridge and west of Murrieta Creek. 341 Comment
  UCR171979  Plagiobothrys canescens John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula; Long Canyon, Southern California Edison right of way, intersection of Southern Cross Road and Agena Street W to Candida Drive 366 Comment
  UCR177505  Plagiobothrys collinus 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 1128 Comment
  UCR234335  Plagiobothrys collinus A. C. Sanders, John F. Green 2012-3-26 39999 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, mouth of a small canyon between Horsethief Canyon and I-15 Fwy crossing of Temescal Wash, west of Hostettler Rd. 369 Comment
  UCR241608  Plagiobothrys collinus var. fulvescens A. C. Sanders, Timothy W. Chumley 2013-4-2 40747 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  UCR99180  Plagiobothrys collinus var. gracilis R. Montijo 1991-4-18 91- 13 Riverside Peninsular Range, south of Lake Matthews, Ona Knoll Dr. c. 1 mi south of Cajalco Rd. 640 Comment
  UCR107411  Plagiobothrys tenellus B. G. Pitzer 1997-3-23 2966 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
  CLARK-A1528-3431  Plantago erecta John C. Roos 1937-2-21 1311 Riverside Riverside Comment
  UCR97695  Plantago erecta A. C. Sanders, G. Helmkamp 1997-3-15 19970 Riverside Lake Skinner area: lower Rawson Canyon, along the dirt road toward Bachelor Mountain 457 Comment
  UCR92094  Plantago lanceolata Scott D. White, S. Ogg 1994-10-17 2465 .1 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  OBI23291  Plantago ovata Robert F. Hoover 1969-4-14 11237 Riverside Palm Springs, just S of city limits Comment
  UCR103575  Plantago ovata George K. Helmkamp 1998-1-17 2527 Riverside Coachella Valley, Bob Hope Drive, 0.9 mi south of Hwy I-10 43 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
  UCR85084  Plantago ovata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16031 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  JOTR35362  Plantago ovata var. fastigiata Harding, Mitzi, M. Wheeler 2011-1-26 146 Riverside Joshua Tree National Park. Pinto Basin, where Chuckwalla Valley meets Pinto Wash, 0.5 mi west of Coxcomb Mountains, sandy burms above large wash (STOP2) 289 Comment
  POM220057  Plantago ovata var. fastigiata F. R. Fosberg 1932-3-13 8074 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  POM312789  Plantago ovata var. fastigiata D. Taylor 1951-3-23 19 Riverside N of Blythe along Colorado River, Maria Mt Rang. 335 Comment
  RSA4912  Plantago ovata var. fastigiata Carl B. Wolf 1932-4-28 3074 Riverside Chuckwalla Valley, 20 miles west of Blythe on Mecca Road 122 Comment
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Mar 26 2011
  SBBG25046  Plantago ovata var. fastigiata D. Myrick 1966-4-1 1326 Riverside Desert Hot Springs, adjoining Linda Vista Lodge Comment
  POM94813  Plantago ovata var. fastigiata Marcus E. Jones 1926-2-16 s.n. Riverside West of Desert Center Comment
  CHSC108903  Plantago patagonica Duncan S. Bell; Joy England 2010-5-17 1008 Riverside Peninsular Ranges; San Jacinto Mountains region: San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. In an open sunny flat. 1045 Comment
  JOTR16769  Plantago patagonica Moore, Sue 1968-5-5 s.n. Riverside Joshua Tree National Park. QUEEN VALLEY 1341 Comment
  RSA771667  Plantago patagonica Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4902 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  CAS-BOT-BC93212  Platanus racemosa Carl B. Wolf 1932-5-24 3647 Riverside Snow Creek Canyon, 0.5 mile below the fish hatchery, north base of San Jacinto Mountain. 548 Comment
  RSA13843  Platystemon californicus P. A. Munz 1922-4-28 5032 Riverside Temescal Canyon. Comment
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Apr 3 2011
  RSA516884  Platystemon californicus Steve Boyd 1986-3-1 1369 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park 640 Comment
  UCR177176  Platystemon californicus Scott D. White, Michael Honer 2003-4-25 9117 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  RSA751407  Plecostachys serpyllifolia R. E. Riefner Jr. 2008-12-16 08 -369 Riverside City of Temecula, Pechanga Pkwy. at Pechanga Resort Dr. 338 Comment
  POM68795  Plectritis ciliosa subsp. insignis Marcus E. Jones 1882-4-24 3167 Riverside San Jacinto. Comment
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Dec 9 2010
  RSA100257  Plectritis ciliosa subsp. insignis F. W. Peirson 1922-5-19 3047 Riverside San Jacinto River. 1143 Comment
  POM118377  Pleuraphis rigida Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  POM192667  Pleuraphis rigida Marcus E. Jones 1929-9-16 24755 Riverside East of Desert Center. Comment
  RSA69361  Pleuraphis rigida Verne Grant, Alva Grant 1951-4-7 15980 Riverside Colorado Desert, Morongo Valley road [Hwy 62] ca. 1 miles North of Highway 60 670 Comment
  UC1979838  Pleuraphis rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 955 Riverside Mojave Desert; East Mojave Desert region: Dune system along Midland Rice Road, South Arica Mountains. Comment
  POM41784  Pleurocoronis pluriseta Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  SBBG53816  Pleurocoronis pluriseta E. A. Cardiff 1968-2-25 Riverside S side of Painted Cyn in Mecca Hills Comment
  CAS-BOT-BC326540  Pluchea sericea H. Walton Clark 1926-6-1 s.n. Riverside Indio Comment
  UCR3215  Poa pratensis V. L. McFarland 1964-5-21 s.n. Riverside San Bernardino/ upper Santa Ana River Valley, Riverside, lawn of Faculty Club on UCR campus 335 Comment
  SD146083  Poa pratensis subsp. pratensis G. K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5018 Riverside Northern Sierra Nevada Range; N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  RSA595268  Poa secunda D. L. Banks, Dylan Hannon 1996-5-3 971 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., T8S R1W SE/4, NE/4 of S22; 33 deg 27' 46''N, 116 deg 57' 56'' W 524 Comment
  UCR98342  Poa secunda A. C. Sanders, G. Helmkamp 1997-3-15 19946 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  UC70983  Poa secunda subsp. secunda H. M. Hall April 1903 3785 Riverside vicinity of Riverside 365 Comment
  UCD91001  Poa secunda subsp. secunda Frank W. Gould 1943-4-18 2153 Riverside 1 mile W of Banning, San Jacinto Mountains. Comment
  UC284202  Polygala cornuta var. fishiae P. A. Munz 1923-6-18 7127 Riverside on rocky slopes Temecula Canyon Comment
  UCR19206  Polygala cornuta var. fishiae John C. Roos 1960-5-30 s.n. Riverside Peninsular Range/Santa Ana Mtns., ridge east of Sugarloaf [=Pleasants Peak] 1067 Comment
  POM159503  Polygonum aviculare subsp. aviculare J. B. Feudge 1927-4-11 1643 Riverside Damp border, Temescal Canon. 351 Comment
  SBBG61496  Polygonum douglasii R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
  POM224747  Polygonum hydropiperoides P. A. Munz 1935-10-21 14652 Riverside Santa Ana River, below Rincon. Comment
  UCR92272  Polygonum lapathifolium Scott D. White 1995-8-23 3567 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
  RSA772337  Polypogon australis Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4518 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA500155  Polypogon interruptus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3646 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Highway 79. 488 Comment
  UCR275326  Polypogon monspeliensis Jeremiah George, Mitch Provance 2012-4-23 s.n. Riverside San Gorgonio Pass, Banning, 1.4 mile SCE powerline right-of-way from corner of Bobcat Rd. & Turtle Dove Ln. to just west of KOA camp at corner of Hwy 243 and Wesley St. 713 Comment
  SDSU13615  Populus balsamifera subsp. trichocarpa W. Miller, C. Mosse Riverside Comment
  CAS-BOT-BC102581  Populus fremontii Swingle 1915-9-1 s.n. Riverside Indio Comment
  CAS-BOT-BC102602  Populus fremontii Alice Eastwood 1919-3-15 7989 Riverside Indio Comment
  SEINET10538903  Populus fremontii David B. Dunn, Harold L. Lint 1948-1-24 Dunn 3608 Riverside Pushawalla canyon, indio hills. Dry january; no rain since mid-december although Plants are still growing even on top of the desert pavement. Very warm; the Cottonwoods still had many of last year's leaves and were leafing out anew. Beside quad 1. 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
  JEPS34992  Porophyllum gracile W. L. Jepson Oct 22 1912-Nov 7 1912 5242 Riverside Riverside Mts. 45 Comment
  JOTR32652  Porophyllum gracile La Doux, Tasha, Bill Truesdell 2007-11-9 2526 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; small side canyon to east of larger wash running parallel to and east of Lost Palms Canyon (Stop 6) 655 Comment
  UC63187  Porophyllum gracile H. M. Hall May 1901 1864 Riverside along the borders of the, Eastern base Colorado Desert Comment
  UCSB37413  Porophyllum gracile Gordon, Patricia 1980-5-18 Riverside Chuckwalla Mtns., Corn Springs Wash 457 Comment
  RSA575894  Potamogeton foliosus Steve Boyd 1994-10-14 8387 Riverside Southern San Mateo Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. San Mateo Canyon, in canyon bottom at the confluence with Bluewater Canyon 329 Comment
  UCR121241  Potentilla glandulosa subsp. reflexa Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2272 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UC12550  Potentilla gracilis H. M. Hall June, 1901 2184 Riverside Thomas Valley San Jacinto Mountains, Thomas Valley 1371 Comment
  CSUSB1140  Prosopis glandulosa I. Rauch 1968-4-9 Riverside Dead Indian Creek Wash Comment
  RSA522100  Prosopis glandulosa var. torreyana Steve Boyd, T. S. Ross 1989-8-28 3793 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  SEINET7048066  Prosopis glandulosa var. torreyana Steven R. Hill 2001-4-29 33543 Riverside Whitewater Canyon, along Whitewater River, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  UCSB50077  Prosopis glandulosa var. torreyana Millett, Barbara 1980-5-18 Riverside Com Springs Wash, off Corn Springs Road 7 miles southwest of its juction with Chuckwalla Road, Chuckwalla Mts. 457 Comment
  SD143888  Prosopis pubescens A. C. Sanders, P. MacKay, G. Helmkamp, J. Stewart, C. L. Sanders 1994-12-4 15880 Riverside Colorado Desert, Salton Trough, Dos Palmas oasis area, San Andreas Palm Grove, 1.75 km WSW of Rancho Dos Palmas, on the margins of grove; marked 'seep' on Durmid 7.5' quad. -22 Comment
  UC1280978  Prosopis pubescens H. E. McMinn 1937-3-6 5008 Riverside 1 mi e Blythe Comment
  NY43175  Prunus fasciculata J. B. Walker 1995-5-4 1411 Riverside San Bernardino National Forest, 1km S of Pinyon Flat Campground 1300 Comment
  CLARK-A1528-819  Prunus fremontii 1968-4-14 18 Riverside San Jacinto Mountains 1066 Comment
  RSA453238  Prunus fremontii Anstruther Davidson 1893-4-10 1844 Riverside Palm Springs. Comment
  UCR4035  Prunus fremontii Val Chase 1965-3-7 8 b Riverside Peninsular Range/Sonoran (Colorado) Desert, 15 miles south of Palm Desert on the Palms to Pines highway 1067 Comment
  RSA525682  Prunus ilicifolia Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4541 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UCR101454  Prunus ilicifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22219 Riverside San Bernardino Mtns., Morongo Indian Reservation, Middle Branch of Millard Canyon 1341 Comment
  UC990729  Psathyrotes ramosissima Roxana S. Ferris 1953-3-10 12603 Riverside Thousand Palms Indio Hills Comment
  UCD135007  Psathyrotes ramosissima Lewis S. Rose 1959-1-12 59010 Riverside Cathedral City. 121 Comment
  RSA342002  Pseudognaphalium biolettii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54114 Riverside San Bernardino Mountains: Mesquite thicket along Whitewater Canyon road. Comment
  UC354458  Pseudognaphalium biolettii Edmund C. Jaeger 1925-5-2 Riverside Box Springs Mountains Riverside, Box Springs Mountains Comment
  UCSB38387  Pseudognaphalium californicum Ferro, Margaret 1970-5-20 Riverside 1/2 mile west of Riverside city dump 457 Comment
  RSA234028  Psilocarphus brevissimus R. F. Thorne, E. W. Lathrop 1969-5-19 37955 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 624 Comment
  UCR155087  Psilocarphus brevissimus A. C. Sanders, Kelly Volansky 2005-3-17 29232 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
  CDA8512  Psilostrophe cooperi G. D. Barbe, J. L. Johnson 1982-11-2 4026 Riverside 3 miles west of Indian Well on Bradshaw Trail, south of Chuckwalla Mountains, southern Riverside County. 0 Comment
  JOTR31716  Psorothamnus emoryi La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 1525 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 1) sparsely vegetated desert pavements below sand ramps 335 Comment
  POM122372  Psorothamnus emoryi Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater. Colorado Desert. Comment
  RSA0106712  Psorothamnus emoryi Duncan S. Bell 2011-9-30 2945 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
  UCD108314  Psorothamnus emoryi L. S. Rose 1935-12-10 s.n. Riverside Palm Springs, Colorado Desert. 138 Comment
  RSA776384  Psorothamnus emoryi Amber Swanson 2011-4-8 371 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  CAS-BOT-BC340894  Psorothamnus schottii Milo S. Baker 1928-4-3 2797 a Riverside Palm Canon [Canyon] Road to Palm Springs Comment
  JOTR31811  Psorothamnus schottii La Doux, Tasha, Bill Truesdell 2007-11-9 2519 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; Mouth of canyon parallel to and east of Lost Palms Canyon (Stop 4) 649 Comment
  POM28904  Psorothamnus schottii Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA404246  Psorothamnus schottii Anstruther Davidson 1895-4-10 s.n. Riverside Palm Springs. Comment
  SBBG6275  Psorothamnus schottii T. L. Secrest 1948-4-7 Riverside 18 mi N of Indio 304 Comment
  UC866000  Psorothamnus schottii I. W. Clokey, B. C. Templeton 1930-4-9 4688 Riverside n Palm Springs (Colorado Desert); , n of Palm Springs 170 Comment
  UCD108371  Psorothamnus schottii Marian L. Vincent; Richard H. Swade 1963-10-19 467 Riverside On California State Hwy. 74 ca. 6 miles south of Palm Desert. Comment
  RSA0062673  Pteridium aquilinum Jack Starnes 1949-5-10 s.n. Riverside Santa Ana Mountains, near Ortega Highway. 1524 Comment
  CAS-BOT-BC421251  Pterostegia drymarioides Geo. B. Grant 1898-3-15 s.n. Riverside Riverside Comment
  RSA245520  Pterostegia drymarioides Larry E. DeBuhr 1973-3-29 941 Riverside About 3 miles north of I-10 along Hwy 62. Comment
  RSA392936  Pterostegia drymarioides Ora M. Clark 1929-2-23 1581 Riverside North of Whitewater Comment
  RSA567986  Pterostegia drymarioides Karin Cleary 1992-4-6 111 Riverside Near top of ridge W of California St, Hemet. 610 Comment
  UCR116853  Pterostegia drymarioides A. C. Sanders, Steven R. Hill 2001-5-4 24140 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR18121  Pterostegia drymarioides A. C. Sanders 1978-4-2 567 Riverside Sonoran (Colorado) Desert, Living Desert Reserve in Palm Desert [mouth of Deep Canyon] 152 Comment
  UCR35074  Pterostegia drymarioides L. B. Ziegler 1973-3-6 497 Riverside San Jacinto Mtns, Desert side of Hwy 74, Carriso [Carrizo] Creek 765 Comment
  RSA401600  Pycnanthemum californicum T. H. Holmes 1932-1 s.n. Riverside San Jacinto Mountains. Comment
  RSA0042978  Quercus Jeremiah George 2012-8-13 s.n. Riverside west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end 716 Comment
  RSA0091963  Quercus Mitch Provance 2012-8-31 17434 Riverside San Bernardino Mountains: Banning Bench, along E side of Bluff St, overlooking the San Gorgonio River. 1067 Comment
  JOTR32952  Quercus X munzii La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 304 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Live Oak Picinic Area; coarse sandy wash with granitic outcrops Comment
  UCD45043  Quercus agrifolia Rudolph Fischer 1965-10-8 2 Riverside ca. 100 feet from south bank of San Jacinto River, elevation 2000 feet. State Highway 74, 3 miles east of Hemet, Riverside County, California. 609 Comment
  RSA588676  Quercus agrifolia var. agrifolia D. L. Banks, Steve D. Boyd 1995-10-26 833 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, S of the first grassland. Approximately 0.7 miles from the Wilderness boundary. 713 Comment
  SEINET10730902  Quercus agrifolia var. agrifolia Andrew Townesmith, Karen M. Meyer; Tracy Scott 2007-3-11 Townesmith 673 Riverside Cleveland National Forest. Along South Main Divide Road, 3.5 miles south of intersection with Route 74 890 Comment
  SDSU13915  Quercus berberidifolia Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2148 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  UCR135834  Quercus berberidifolia A. C. Sanders 2004-4-20 27523 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
  UCR264648  Quercus berberidifolia Mitch Provance, Jeremiah George 2012-8-4 812- 35 Riverside Western Riverside County, Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero 752 Comment
  JEPS37487  Quercus chrysolepis W. L. Jepson 1903-8-5 2268 Riverside on side of Blind Canyon, San Jacinto Mt., Strawberry Valley Blind Canyon; San Jacinto Mt., Strawberry Valley 1737 Comment
  UC5521  Quercus chrysolepis H. M. Hall Jul 1901 Riverside s side San Jacinto Mountains (base of Tahquitz trail) 1828 Comment
  UCD45547  Quercus chrysolepis E. W. Lathrop 1966-3-23 6112 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peakm Skyline Drive, Riverside Co. Elevation 4000'. 1219 Comment
  SD229173  Quercus cornelius-mulleri Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 643 Riverside Mt. San Jacinto: Pinyon Flats, approx. 1I(c) miles north of Highway 74 intersection with Palm Canyon Road, broad flat area. 1303 Comment
  UCR103220  Quercus cornelius-mulleri Scott D. White 1996-8-1 4457 Riverside San Jacinto Mtns., Twin Pines area, just north of Twin Pines Road, c. 0.5 air mi. west of Twin Pines Ranch. 1143 Comment
  JOTR00986  Quercus cornelius-mulleri Cole, James E. 1941-10-20 934 Riverside Joshua Tree National Park. OPTIMIST MINE ROAD; LOST HORSE VALLEY 1310 Comment
  RSA192168  Quercus engelmannii E. W. Lathrop 1965-4-4 5645 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  RSA262450  Quercus engelmannii F. C. Vasek 1975-9-11 s.n. Riverside Horsetheif Creek Canyon, south west of Pinyon Flat, where the Cactus Spring Trail Crosses. Comment
  UCR189774  Quercus engelmannii Angela Hyder 2006-10-2 077 Riverside Peninsular Range, Lake Skinner, Lake Skinner reserve. 1 mi east of Rawson Canyon. 1 mi north of Black Mountain 660 Comment
  LA205319  Quercus kelloggii Bruce Freeman; 1969-3-25 690325 -3 Riverside San Jacinto Mountains, James Reserve Comment
  UCR262384  Quercus wislizeni Tom Scott 2011-1 2011- 567 Riverside San Bernardino Mtns., south side of mountains in Banning Canyon, USFS Road 2S01, c. 1 mile north of locked gate at Bluff St. 1003 Comment
  SFV13154  Quercus wislizeni var. wislizeni M. J. Thor 1982-9-18 152 Riverside San Jacinto Mountains Idyllwild Park. Very rocky slopes 1 hour west of camp. 1677 Comment
  UC1523405  Rafinesquia californica Robert F. Thorne, W. A. Tilforth, L. Schultz, R. K. Benjamin and J. Hogge 1980-4-16 54074 Riverside ca 3.2 mi n Whitewater P.O. and Hwy 10 (branch ravine running w from Whitewater Canyon, w of road); San Bernardino Mts., Whitewater Canyon 609 Comment
  UC63152  Rafinesquia californica H. M. Hall 1902-4-27 2987 Riverside vicinity Riverside 365 Comment
  CAS-BOT-BC362621  Rafinesquia neomexicana C. L. Hitchcock 1940-4-2 5919 Riverside Cottonwood Spg. wash, Joshua Tree Nat. Monument Comment
  RSA620636  Rafinesquia neomexicana B. Pitzer, O. Clarke, S. Reed, G. Ruiz 1998-3-7 3582 Riverside San Bernardino Mountains: Wildlands Conservancy's Mission Creek Preserve. 762 Comment
  SEINET197528  Rafinesquia neomexicana Helen K. Sharsmith 1952-4-10 4059 Riverside Joshua Tree National Monument ; Smoke Tree Wash about 5 miles north east of Cottonwood Springs. 853 Comment
  UCR245961  Rafinesquia neomexicana Duncan S. Bell 2009-3-8 70 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
  UCR279321  Rafinesquia neomexicana A. C. Sanders, Jim Malusa 2017-3-23 42905 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  UCR42393  Rafinesquia neomexicana D. C. Hawks 1986-4-16 s.n. Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, Alta Mesa wind turbine field, on the ridge above Whitewater Canyon, west of Bonnie Bell 915 Comment
  RSA0086970  Rafinesquia neomexicana R. S. Woglum 1934-3-18 647 Riverside San Jacinto Mountains, Coachella Valley, Snow Creek. Comment
  POM11506  Ranunculus alismifolius var. alismellus P. A. Munz 1922-7-6 6034 Riverside San Jacinto Mountains: north fork of Tahquitz Creek. 2226 Comment
  RSA180257  Ranunculus californicus E. W. Lathrop 1965-4-4 5614 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  UC63845  Ranunculus californicus H. M. Hall 1897-4-10 435 Riverside Pico's San Jacinto Valley (along ditch) Comment
  UCR1190  Ranunculus californicus Civerolo 1960-4-10 s.n. Riverside Santa Ana Mtns., 3.25 mi west of Murrieta on Tenaja Road toward San Mateo Canyon Comment
  RSA0021845  Ranunculus californicus var. californicus Elbert Benjamine 1929-5-18 218 Riverside Mt. San Jacinto. 1524 Comment
  UCR207340  Ranunculus muricatus O. F. Clarke 2004-3-22 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR86019  Ranunculus sceleratus Scott D. White, Megan Phillips 1992-4-29 s.n. Riverside San Jacinto Valley, large area on San Jacinto Reservior on N and E sides, east of Sanderson Street, and SW of Ramona Expressway Comment
  RSA0063036  Raphanus sativus Andrew Haimov, April Sleigh 1992-5-23 96 Riverside 20 meters west of Davis Road, 1 1/2 miles north of Ramona Expressway, San Jacinto Wildlife area. Comment
  SD137644  Rhamnus crocea Darin L. Banks 1995-3-15 58 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area 680 Comment
  LA207831  Rhamnus crocea subsp. ilicifolia Carl Epling; William Robison 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  JOTR33938  Rhamnus ilicifolia La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2827 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  RSA221041  Rhamnus ilicifolia E. W. Lathrop 1966-5-8 6433 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA243760  Rhamnus ilicifolia Percy C. Everett 1935-6-18 7207 Riverside Coldwater cam. trail, about 1.5 mi. below (N.) Main Divide Motorway. 1280 Comment
  UCR94963  Rhamnus tomentella subsp. tomentella Scott D. White 1996-8-16 4485 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  SBBG59934  Rhododendron occidentale M. Lewis 1948-6-20 Riverside Dark Cyn 1981 Comment
  SD128327  Rhododendron occidentale R. Mitchel Beauchamp 1971-5-15 2410 Riverside Black Mountain Campground, San Jacinto Mountains. 2207 Comment
  UCR107749  Rhus aromatica D. L. Banks 1997-5-5 1994 Riverside NW Palomar Mtns, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pachanga Creek. east of where road crosses to southern bank of south fork of Pechanga Creek. 482 Comment
  RSA248050  Rhus ovata R. F. Thorne, C. W. Tilforth 1973-5-30 43575 Riverside Colorado Desert: Mouth of Morongo Valley at N end of Coachella Valley 549 Comment
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Jul 19 2015
  UC1130538  Rhus ovata R. St. John 1929-4-28 22 Riverside Old Nicholas Canyon; Santa Rosa Mountains 1280 Comment
  UCR91415  Rhus ovata Scott D. White 1995-4-5 2703 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  RSA496659  Ribes indecorum A. C. Sanders 1988-1-30 7591 Riverside Eastern foothills of the Santa Ana Mts, midway beween Murrieta and Temecula. Los Cerritos Ranch and adjacent 80acre property to the NW, N of Cherry St, W of Adams Ave, S of Meadowlark Ridge Lane and Elm St. 366 Comment
  RSA523482  Ribes indecorum Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3942 Riverside Vail Lake area, summit of Big Oak Mtn, N of Lake. Saddle between summits, along road heading N to Black Hills. 793 Comment
  RSA523497  Ribes indecorum Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3957 Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  RSA543129  Ribes indecorum Steve Boyd, C. Boyd, K. A. Boyd 1991-3-16 5469 Riverside Cahuilla Mountain between Anza and Hemet, SW of Bautista Cyn. 1067 Comment
  RSA604868  Ribes indecorum Scott D. White 1995-12-24 3800 Riverside Lakeview Mts. About 7 road miles SE of Davis Rd./Ramona Expwy. intersection. 671 Comment
  RSA748813  Ribes indecorum G. Gust, L. Nye 2005-3-12 553 Riverside Cleveland National Forest. Hwy 74 W of lower San Juan Picnic Area at pullout W side of Santa Ana Mtn. Range. 495 Comment
  UC1127321 Image available Ribes indecorum A. E. Wieslander 1929-2-23 42 Riverside Morris Ranch San Jacinto Quadrangle, Indian Canyon 792 Comment
  CAS-BOT-BC219232  Ribes nevadense Jennifer H. Jones; Thi (Teresa) Bui; Holly Summers 2006-5-31 354 Riverside Parking lot and stream below parking lot on CA Highway 243 across road from Lake Fulmor, San Jacinto Mountains 1616 Comment
  UCR91277  Ribes quercetorum Scott D. White 1995-4-5 2752 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  UCR35281  Ribes roezlii var. roezlii L. B. Ziegler 1968-6-12 316 Riverside San Jacinto Mtns., Thomas Mountain, slopes below summit 2043 Comment
  UCR76065  Romneya coulteri B. G. Pitzer, Stu Hemstreet 1992-5-21 1938 Riverside Santa Ana Mtns., Cleveland National Forest, State Hwy 74, 1 mi. uphill of the 2,000 ft. marker & to the left 0.1 mi. on an old paved road 762 Comment
  RSA667028  Rorippa sphaerocarpa A. C. Sanders, Mitch Provance 1999-9-26 23096 Riverside Lake Hemet, north shore at FS day use area 1323 Comment
  LA208271  Rosa californica Louis C. Wheeler; 1931-10-4 207 Riverside San Jacinto Mountains, Strawberry Valley 1584 Comment
  UCR16767  Rosa californica W. C. Anderson 1967-8-15 s.n. Riverside San Jacinto Mtns., Fuller Mill Creek Camp, 6 miles north of Idyllwild off Banning-Idyllwild Road 1585 Comment
  SEINET156318  Rumex acetosella Norman C. Cooper 1944-5-6 1208 Riverside Banning. 701 Comment
  SD122869  Rumex conglomeratus Steve Boyd 1985-7-23 1005 Riverside De Luz Rd., 5.5 mi. west of Rancho California. 395 Comment
  UCR80798  Rumex salicifolius Scott D. White 1993-5-29 1479 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  CLARK-A1528-5727  Ruta graveolens John C. Roos 1948-2-21 3771 Riverside Reche Canyon 457 Comment
  CLARK-A1528-5728  Ruta graveolens John C. Roos 1948-2-21 3771 Riverside Reche Canyon 457 Comment
  CLARK-A1528-595  Salazaria mexicana Charlotte Stocks 1962-6-15 Riverside San Jacinto Mountains 1066 Comment
  CAS-BOT-BC103893  Salix exigua Scott D. White 1996-4-14 3927 Riverside E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station. 550 Comment
  CAS-BOT-BC103897  Salix exigua Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC103898  Salix exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  POM360993  Salix exigua Christopher Davidson 1977-4-7 5593 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope. 610 Comment
  UCR232041  Salix exigua John F. Green 2008-4-22 04- 04 Riverside Peninsular Range, hills south of Perris, powerline route just east of the San Jacinto River, west of Goetz Rd. 438 Comment
  LA208628  Salix exigua var. hindsiana Mrs. H. P. Bracelin; 1932-4-12 599 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
  UC846161  Salix exigua var. hindsiana Crawford and Johnston 1917-6-9 1244 Riverside Santa Ana R. near Corona; Santa Ana R Comment
  RSA512129  Salix gooddingii Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, ca. 1 mi S of Hwy 60 on Nason St. Adjacent to W side of Nason, S of Dracaea Ave. Comment
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Aug 27 2010
  RSA653231  Salix gooddingii A. C. Sanders, T. B. Salvato 2000-5-30 23434 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Brandley Rd., 2 miles due east of Railroad Canyon Lake. 439 Comment
  SD233938  Salix gooddingii A. C. Sanders, Kelly Volansky 2003-10-16 27346 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. (Riverside East 7.5' Q). 534 Comment
  UCR171900  Salix gooddingii John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  CAS-BOT-BC108213  Salix hindsiana Mrs. H. P. Bracelin 1932-4-12 605 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  CAS-BOT-BC108217  Salix hindsiana Mrs. H. P. Bracelin 1932-4-12 600 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  POM295748  Salix laevigata Lyman D. Benson 1946-4-15 12046 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  UC482398  Salix laevigata unknown 1932-6-5 924 Riverside Eagle Canyon Colorado Desert, Santa Rosa Mts, Eagle Canyon Comment
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Mar 11 2011
  UCR159207  Salix laevigata A. C. Sanders, Kelly Volansky 2005-8-31 31563 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  RSA0010973  Salix laevigata M. Lee Overholtzer 1961-3-29 135 Riverside Side of the road at El Carise Guard Station Ortaga Hwy. Santa Ana Mtns. 1677 Comment
  RSA613316  Salix lasiolepis D. L. Banks 1997-3-1 1381 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
  UCR132419  Salix lasiolepis A. C. Sanders 2004-2-6 27381 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, canyon along north side of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 442 Comment
  CAS-BOT-BC128444  Salix lasiolepis var. lasiolepis Marian L. Campbell 1921-3-19 38 Riverside Banning Comment
  CDA3218  Salsola tragus R. E. Riefner Jr. 2006-11-14 06 -675 Riverside City of Riverside, Main Street at Russell Street. Comment
  RSA71813  Saltugilia australis F. W. Peirson 1920-2-16 2296 Riverside Andreas Canyon, San Jacinto Mts. 274 Comment
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Oct 2 2011
  UCR165399  Saltugilia australis A. C. Sanders, D. Malueg 2003-5-8 26573 Riverside Perris-Aguanga Basin region, Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek 396 Comment
  RSA0095111  Saltugilia australis Steve Boyd 1980-5-6 s.n. Riverside Motte Reserve. Rocky hills 2.5 mi NW of Perris. 518 Comment
  JEPS29479  Salvia apiana Lauramay T. Dempster 1962-4-17 1892 Riverside about 1 mi below Fish Hatchery, Whitewater Canyon; Whitewater Canyon Comment
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Apr 6 2008
  SEINET2065981 Image available Salvia apiana Ed LaRue 1989-4-7 Riverside Woodcrest area: 1/2 mi NE of the intersection of Van Burne Blvd. and Mockingbird Canyon Rd. 365 Comment
  RSA23267  Salvia columbariae Ernest Braunton 1940-03 2036 Riverside Fan Canyon. 20 miles NE of Indio. Comment
  RSA676116  Salvia columbariae Scott D. White 2001-4-3 8253 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCR177024  Salvia columbariae Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  UCR265192  Salvia columbariae David Fraker, Aaron C. Sedgwick 2012-4-4 65 Riverside Sonoran (Colorado) Desert, south of Joshua Tree National Park, north of Hwy I-10 on powerline road, 0.5 mi west of Cottonwood Springs Road 522 Comment
  RSA6622  Salvia eremostachya B. D. Stark 1933-5-13 4986 Riverside 8 miles up on Palms to Pines road, San Jacinto Mtns. Comment
  UCSB8075  Salvia eremostachya MacLean, S. 1963-5-6 Riverside Calif Hwy 74; 10.2 miles SW of Palm Desert 637 Comment
  RSA97250  Salvia eremostachya H. K. Buechner 1955-6-1 C- 111 Riverside 4.5 miles south of Palm Desert. north base of Santa Rosa Mountains. Comment
  RSA0043027  Salvia greatae Duncan S. Bell, Loraine Washburn 2014-4-8 6577 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1.25 air miles north northeast of Clemens Well/Bradshaw Trail. 356 Comment
  POM283362  Salvia mellifera Lyman Benson 1933-3-31 4144 Riverside San Bernardino Mt. Range. US 66 [actually US 60], Beaumont. 457 Comment
  RSA434142  Salvia mellifera N. C. Cooper 1944-6-4 1350 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  SEINET272154  Salvia mellifera A. C. Sanders 1997-3-1 19746 Riverside Box Spring Mtns. S end of the range along Gernert Rd. (dirt) in valley drainage to Box Spring Canyon. 457 Comment
  UCLA69829  Salvia mohavensis C. Epling and Wm. Robison Jun 24 1933-Jun 27 1933 Riverside Key's View; Little San Bernardino Mountains 1524 Comment
  RSA739278  Salvinia minima Richard E. Riefner 2008-7-5 8 -214 Riverside Riverside County: Cathedral City, Perez road at Date Palm Dr. 82 Comment
  UC1608295  Sambucus mexicana Steve Boyd and Tim Ross 1992-5-5 7257 Riverside along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails; Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 731 Comment
  UCR172784  Sambucus mexicana Wayne Law, Jun Hu 2000-5-16 21 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
  UCR240998  Sambucus mexicana Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 19 Riverside South Coast/Peninsular Range, Riverside, Sycamore Canyon, near the entrance to the park 396 Comment
  RSA0037337  Sambucus mexicana Bob Rogers 1984-4-21 11 Riverside Collected along trail and bank area on the west side of Strawberry Creek heading upstream. Starting point was 4.9 miles from Cranston ranger station heading East on Hwy.74. 914 Comment
  UC1546665  Sarcostemma cynanchoides subsp. hartwegii Barry A. Prigge 1988-2-21 7858 Riverside 2 mi. w. Clemens Well; Colorado Desert, Orocopia Mts. 228 Comment
  UC68708  Sarcostemma hirtellum H. M. Hall Apr., 1905 5857 Riverside Canyon Springs Colorado Desert, Canyon Springs Comment
  UC56920  Saxifraga californica H. M. Hall 1902-4-26 2992 Riverside near Riverside (Box Springs Mountain); Box Springs Mountain Comment
  UCR4102  Schinus molle Ronald M. Cope 1965-2-20 s.n. Riverside Riverside, vicinity of Gage Canal & La Conte Drive. 275 Comment
  UCR228159  Schismus arabicus Dave Silverman 2010-3-24 7832 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 4.3 km SE of Sidewinder Well, 2.0 km SW of Palen Dunes Dr., and 4.6 km N of Interstate 10 130 Comment
  HSC79574  Schismus barbatus Paul Bailey 1972-5-14 128 Riverside 6 mi. NW of Aguanga near Hwy. R-3 in Lancaster Valley 366 Comment
  UCR114145  Schismus barbatus B. G. Pitzer, J. Ross 1998-3-8 3606 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  RSA483285  Schismus barbatus Christopher Davidson 1973-4-1 1804 Riverside St. Hwy 71/79, appx 7 miles E of jct with Hwy 395 south. 411 Comment
  RSA710173  Schoenoplectus acutus var. acutus A. C. Sanders 2004-5-12 27865 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  RSA335035  Scirpus microcarpus Steve Boyd 1985-8-7 1103 Riverside Santa Rosa Plateau region, NW base of Redonda Mesa on Tenaja Rd., 0.8 miles east of junction with 8S01 and 8S02. Comment
  SBBG80993  Scirpus microcarpus D. L. Ill 1985-5-12 39 Riverside Harford Springs, 1.6 mi S of Cajalco Rd on Gavilan Rd, right side of rd along Spring, Gavilan Hills 609 Comment
  SD146145  Scrophularia californica subsp. floribunda Mitch Provance 1998-6-10 634 Riverside City of Riverside: east side of Pachappa Hill, as acessed from where panorama road crosses the 91 freeway 305 Comment
  UCR107834  Scrophularia californica subsp. floribunda D. L. Banks 1997-5-5 1980 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  RSA740238  Scutellaria bolanderi subsp. austromontana Scott D. White, Justin M. Wood 2008-7-8 12366 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  RSA740624  Scutellaria siphocampyloides Scott D. White, Justin M. Wood 2008-7-8 12378 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  UC219320  Scutellaria siphocampyloides P. A. Munz 1922-6-27 5854 Riverside Santa Rosa Mountains, Santa Rosa Santa Rosa; Santa Rosa Mountains, Santa Rosa 2011 Comment
  RSA702732  Selaginella bigelovii Scott D. White, Michael Honer 2004-4-6 10057 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  RSA793027  Selaginella bigelovii Justin M. Wood 2011-4-4 3395 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  UCR9  Selaginella bigelovii Eugene Cardiff 1950-3-15 s.n. Riverside San Bernardino Valley Region, Jurupa Hills [=Jurupa Mtns.] 518 Comment
  POM219200  Selaginella watsonii Louis Cutter Wheeler 1931-10-3 241 Riverside 3/4 mi. NNE Tahquitz Peak, San Jacinto Mts. 2560 Comment
  LA203926  Senecio flaccidus var. douglasii Elizabeth McClintock; 1936-8-12 sn Riverside San Jacinto Mountains, Massacre Canyon, near San Jacinto Comment
  SEINET2054672 Image available Senecio flaccidus var. douglasii B. Pitzer 1986-5-24 245 Riverside Whitewater Canyon, ca. 5 mi N of US I-10 on Whitewater Canyon Rd. From N edge of Hatchery to ca 1/4 mi N of hatchery boundary 731 Comment
  UCR138591  Senecio flaccidus var. douglasii D. L. Banks 1996-11-7 1219 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. Along the main road in the Reservation, c. 60 m east of its intersection with Pechanga Creek 396 Comment
  UCR7929  Senecio flaccidus var. douglasii James J. Sims 1968-9-8 s.n. Riverside San Bernardino Valley Region, Box Springs Mtns, 8081 Reche Canyon Road 549 Comment
  UC35965  Senecio flaccidus var. monoensis Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  SEINET6692556 Image available Senecio monoensis Philip A. Munz 1946-10-20 11577 Riverside Palms to Pines Highway at north base of Santa Rosa Mountains. 1036 Comment
  SEINET2055018 Image available Senecio vulgaris Unknown 1965-4-22 Riverside 2800 Mary Street, Victoria Village Shopping Center, Riverside 262 Comment
  UCR265848  Senecio vulgaris Mitch Provance 2013-4-8 413- 04 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  RSA4906  Senna armata Carl B. Wolf 1932-4-27 3022 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  UCR54042  Sesbania herbacea A. C. Sanders 1988-11-6 8736 Riverside Coachella Valley, W side of Hwy 86/Harrison St., 6.25 mi. south of junction with Hwy 111 in Coachella and 3.85 mi. north of Valerie Jean, 0.55 mi north of Ave. 60 -35 Comment
  RSA575912  Sesuvium verrucosum Steve Boyd, Darin Banks 1994-9-29 8372 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  RSA588598  Sesuvium verrucosum D. L. Banks, S. D. Boyd 1995-12-17 809 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  CAS-BOT-BC240203  Setaria viridis A. C. Sanders 2004-8-10 28761 Riverside Perris-Aguanga Region: 3 mi