Search Results — 2000 specimen records retrieved (1879 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA518549  Abies concolor F. C. Vasek 1977-11-25 771125 -12 Riverside San Jacinto Mountains, area around Cincos Posas Spring, below Black Mountain Look Out. Comment
  SBBG94634  Abies concolor F. C. Vasek, K. Neisses 1979-7-26 790726 -1 Riverside N of Toro Peak at Virgin Spring Comment
  SBBG94852  Abies concolor F. C. Vasek 1977-11-25 771125 -6 Riverside Boulder Basin Cmpgrd, just below Black Mtn Look Out Comment
  CAS-BOT-BC229313  Abronia villosa Mary F. Spencer 1919-6-17 1330 Riverside Fields near San Jacinto 304 Comment
  CAS-BOT-BC229360  Abronia villosa Ira L. Wiggins 1937-3-9 8769 Riverside North of Indio Comment
  HSC16147  Abronia villosa C. E. Fellows 1965-4-15 58 Riverside Just inside N city limits, Palm Springs, on Hwy. 111 Comment
  OBI18608  Abronia villosa Robert F. Hoover 1969-4-14 11232 Riverside Palm Springs, just S of S city limit Comment
  OBI2989  Abronia villosa Lewis S. Rose 1967-12-20 67184 Riverside 6 mi SE of Thousand Palms 9 Comment
  RSA461184  Abronia villosa var. aurita T. W. Minthorn 1926-5-14 s.n. Riverside Between Banning and Palm Springs. 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
  UCR130712  Abronia villosa var. aurita George K. Helmkamp, E. A. Helmkamp 1998-6-27 4078 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  RSA653653  Abutilon theophrasti A. C. Sanders, Mitch Provance 1999-9-26 23105 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr., [UTM 10km cell: 11S MH-9E, 4N. Mt. Rudolph] 433 Comment
  SJSU5450  Acamptopappus sphaerocephalus R. C. McGehee 1970-4-30 247 Riverside 4 mi W of Corn Springs, Chuckwalla Mts, 18 mi SE of Desert Center Comment
  UC729968  Acamptopappus sphaerocephalus var. sphaerocephalus Carl B. Wolf 1932-5-25 3681 Riverside on road to Snow Creek Canyon San Gorgonia Wash Comment
  RSA603073  Acer macrophyllum Joseph A. Ewan 1933-3-19 10900 Riverside Tin Mine Canyon, Santa Ana Mountains. Comment
  SEINET13363739 Image available Achillea lanulosa Dieter H. Wilken 1965-1 276 Riverside Herkey Creek Public Camp, Hemet Valley, San Jacinto Mountains 1372 Comment
  RSA761158  Achillea millefolium Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 689 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR195129  Achillea millefolium A. C. Sanders, Tim Thomas 2008-8-1 35955 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  CAS-BOT-BC218716  Achnatherum coronatum Steve Boyd; Aydee Virgen 2004-4-13 10868 Riverside San Mateo Canyon, midway between confluence with Los alamos Canyon and Tenaja Canyon, Peninsular Ranges, Santa Ana Mountains region Comment
  CHSC35845  Achnatherum coronatum Paul Bailey 1972-5-14 124 Riverside 5 miles NE of Temecula near Rancho Calif. Drive, Tucalota Hills. 457 Comment
  JOTR31224  Achnatherum hymenoides La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2008 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 3) sand ramps 432 Comment
  CHSC26095  Achnatherum parishii Dieter H. Wilken 1965-6-29 387 Riverside West end of the Hemet Valley (Garner Valley) near lake Hemet San Jacinto Mtns. 1371 Comment
  NY1084567  Achyronychia cooperi N. H. Holmgren 1973-3-22 6469 Riverside Rice Valley, 7 miles south-southwest of Rice 274 Comment
  UCR215004  Achyronychia cooperi T. B. Salvato 2010-4-20 4069 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  CHSC109018  Acmispon glaber var. brevialatus Orlando Mistretta; D. Bell, J. Beckman, J. England, K. Kane, et al. 2010-4-12 4697 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) between N33.97538, W116.65161 and N33.97568, W116.65119. 600 Comment
  SBBG22844  Acmispon rigidus D. Myrick 1965-3-4 1076 Riverside Palms to Pines Hwy 74 914 Comment
  UCD104280  Acmispon rigidus R. N. Raynor 1938-6-20 s.n. Riverside Pines to Palms Highway between Hemet and Idyllwild. Comment
  CHSC99616  Acmispon strigosus LeRoy Gross 2005-3-3 1591 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W to 33.72053N, 115.11051W. Growing in sandy wash. 225 Comment
  UCD104404  Acmispon strigosus C. L. Hitchcock; C. V. Muhlick 1962-3-16 22140 Riverside Temescal Canyon, ca. 8 mi. s.e. of Corona. Comment
  SD232168  Acourtia microcephala Scott D. White, Justin M. Wood 2008-6-18 12202 Riverside San Jacinto Mountains: Hiking trail from K flat to Apple Canyon Rd. 1341 Comment
  UCR234760  Acourtia microcephala A. C. Sanders, John F. Green 2012-6-25 40311 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near Hostettler Rd. south of I-15, narrow canyon draining from vicinity of Palomino Creek Dr. at end of Calendula St. 387 Comment
  RSA768503  Acroptilon repens Justin M. Wood 2009-11-30 1387 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  CAS-BOT-BC22561  Adenophyllum porophylloides P. A. Munz 1932-4-24 12395 Riverside Snow Creek Canyon, San Jacinto Mountains 457 Comment
  CAS-BOT-BC22563  Adenophyllum porophylloides H. M. Hall; Willis Linn Jepson 1901-5-17 1835 Riverside East base of San Jacinto Mountain 762 Comment
  CAS-BOT-BC133137  Adenostoma fasciculatum Cecil Hart 1922-5-21 18 Riverside San Jacinto Pk. Comment
  RSA0097954  Adenostoma fasciculatum Duncan S. Bell 2014-11-14 7719 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  RSA736705  Adenostoma fasciculatum Scott D. White 2004-4-26 10244 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  RSA234084  Adenostoma fasciculatum var. fasciculatum Robert F. Thorne, E. W. Lathrop 1969-6-6 39326 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  RSA696464  Agave deserti subsp. deserti J. Vlahos 1934-6-3 s.n. Riverside Up grade to San Jacinto from Palm Springs Comment
Read comments
Nov 19 2011
  CAS-BOT-BC15438  Agoseris grandiflora var. grandiflora Mary F. Spencer 1919-6-28 1346 Riverside San Jacinto Mountains 1645 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
  POM17824  Agoseris retrorsa P. A. Munz, D. Keck 1923-6-14 7075 Riverside Glen Ivy Trail to Santiago Peak. 1584 Comment
  UC1137144  Agrostis exarata August L. Hormay 1932-8-8 Riverside Tahquity Valley Comment
Read comments
Dec 21 2009
  POM14447  Agrostis idahoensis P. A. Munz 1922-7-6 6013 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  RSA131724  Agrostis pallens E. K. Balls 1958-6-27 23301 Riverside Between Santiago Peak and Indian Truck Trail, along Main Divide, Santa Ana Mountains. 1372 Comment
  RSA0123090  Aliciella latifolia Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8974 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
  RSA0078221  Allionia incarnata var. incarnata Sarah J. De Groot, Amy Rouillard 2015-9-15 7559 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  RSA802137  Allium haematochiton Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5012 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  UCR261555  Allium marvinii John F. Green 2015-4-30 s.n. Riverside San Bernardino Mtns. Foothills, powerline route in hills north of Banning and west of Banning Canyon, east of Moore St. 898 Comment
  UCR42166  Allium munzii Steve Boyd 1986-4-10 1645 Riverside Peninsular Range, Gavilan Hills region, Temescal Canyon. De Palma Road between Indian Truck Trail & Horsethief Canyon, 1.2 mi east of the Indian Truck Trail exit of Hwy I-15. 372 Comment
  JOTR34267  Allium parishii La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3283 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Lower ridges at base of Quail Mountain; within old burn area between Lost Horse Valley and Juniper Flats (Stop 2) Comment
  RSA543598  Allium peninsulare Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6130 Riverside Gavilan Hills, SE end of range, E of Arroyo del Toro. N-facing slope of low hill. 488 Comment
  UCR193520  Allophyllum gilioides A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35563 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1555 Comment
  UCR281272  Allophyllum glutinosum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 30 Riverside Peninsular Ranges, Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way 592 Comment
  CAS-BOT-BC170132  Alnus rhombifolia Carl B. Wolf 1932-5-24 3649 Riverside N base of San jacinto Mts., Snow Creek Canyon, 1/2 mi below Fish Hatchery 548 Comment
  UCR20310  Amaranthus blitoides John C. Roos 1965-7-27 s.n. Riverside Hemet Comment
  UCR272670  Amaranthus fimbriatus Sarah J. De Groot, Duncan S. Bell 2015-9-21 7579 Riverside Peninsular Range; Santa Rosa Mountains, SSW of Palm Desert, hillside along Dunn Road, between Asbestos Mountain and Haystack Mountain, ENE of Potrero Spring 1220 Comment
  POM90439  Amaranthus palmeri S. B. Parish 1916-6-8 s.n. Riverside near the foot of the Crest Road from San Bernardino. Comment
Read comments
Aug 27 2017
  UC56557  Amaranthus powellii H. M. Hall Aug 1901 Riverside vicinity of Riverside Southern California 304 Comment
  UC2015638  Ambrosia X platyspina A. C. Sanders with K. Rose 1995-4-27 16744 Riverside Coachella Valley: foot of the Little San Bernardino Mtns., canyon E of Fan Hill, just outside Joshua Tree National Park Comment
  UCR109521  Ambrosia confertiflora R. D. Goeden, Don W. Ricker 1970-4-2 s.n. Riverside Moreno Badlands, W of Beaumont, south side of Hwy 60, 2 miles west of Jackrabbit Trail 686 Comment
  UCR18434  Ambrosia confertiflora O. F. Clarke 1975-11-10 s.n. Riverside Box Springs Mtns., Two Trees Canyon 459 Comment
  CAS-BOT-BC22594  Ambrosia dumosa M. McCollum 1976-6-10 2008 Riverside 4 mi. W of Desert Hot Springs 304 Comment
  JEPS40973  Ambrosia dumosa W. L. Jepson 1928-4-25 12588 Riverside The driest and most arid hills Cottonwood Spring; Colorado Desert, Joshua Tree National Monument, Eagle Mounta 731 Comment
  JOTR28960  Ambrosia dumosa La Doux, Tasha 2005-3-30 1196 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  POM8399  Ambrosia dumosa Mary F. Spencer 1920-3-29 784 Riverside Palm Springs. Colorado Desert. 122 Comment
  SDSU6286  Ambrosia ilicifolia D. F. Howe 1960-4-28 2191 Riverside Chuckalla Mts. Comment
  OBI16027  Ambrosia salsola P. A. Holden 1969-3-29 675 Riverside Just west of Hwy 62 at foot of Morongo Grade 8 mi W of Desert Hot Springs Comment
  UC1551911  Ambrosia salsola David Charlton 1987-12-6 1095 Riverside first canyon w Whitewater (n of the 10 Freeway, n of Palm Springs, foothills of San Bernardino Mtns.); San Bernardino Mtns., Cottonwood canyon 762 Comment
  UC1979822  Ambrosia salsola Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 767 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Mecca Hills, Shaver's Well Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. Comment
  SEINET10797874  Ambrosia salsola David B. Dunn 1946-3-15 Dunn 2018 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  UC897999  Ambrosia salsola var. pentalepis I. W. Clokey 1935-4-17 6985 Riverside Cottonwood Springs Comment
  SBBG92260  Ambrosia salsola var. salsola D. F. Howe 1980-4-15 Riverside Interstate 10, ca. 4 mi W of Mesa Verde, McCoy Mtns Comment
  JOTR32964  Amelanchier utahensis La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2715 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  POM265819  Ammannia coccinea J. C. Roos 1937-6-7 2401 Riverside S base of Jackrabbit Trail, San Jacinto Valley Comment
Read comments
Mar 20 2011
  UCD170778  Amorpha fruticosa A. C. Sanders 2014-4-23 41058 Riverside Peninsular Range, Temescal Valley, along Hostettler Rd. near Temescal Canyon Rd. and I-15, at bend in Hostettler Rd. 363 Comment
  CAS-BOT-BC168085  Amsinckia intermedia A. C. Sanders; Guy Bruyea 2004-4-2 27406 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  SDSU18978  Amsinckia intermedia C. Matt Guilliams 2008-2-27 486 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  UCR234334  Amsinckia intermedia A. C. Sanders, John F. Green 2012-3-26 40000 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
  CAS-BOT-BC226260  Amsinckia retrorsa A. C. Sanders; Nathan Moorhatch 2011-3-22 38786 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
  UCR241949  Amsinckia retrorsa A. C. Sanders, Timothy W. Chumley 2013-3-28 40708 Riverside Peninsular Range, Alberhill, along Lake St. 1.45 km south of I-15, near old clay mines 396 Comment
  UC878736  Amsonia tomentosa I. W. Clokey 1935-4-17 6792 Riverside Cottonwood Springs Colorado Desert, Cottonwood Springs Comment
  SDSU13948  Anagallis arvensis Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2134 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  RSA180491  Anagallis arvensis E. W. Lathrop 1960-4-15 4760 Riverside 14 miles west of Murrieta, in low valley pasture in Tenaja Canyon. 610 Comment
  UCR281211  Ancistrocarphus filagineus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-18 417- 40 Riverside Perris-Aguanga Basin, Menifee, S side of Bundy Canyon Rd., E side of Loerch Ln., 0.2 miles W of Murrieta Rd. 518 Comment
  POM263194  Andropogon glomeratus J. C. Roos 1938-12-29 322 Riverside Palm Canyon. Comment
Read comments
Apr 3 2011
  CAS-BOT-BC137842  Andropogon glomeratus var. glomeratus Lewis S. Rose 1935-12-27 35703 Riverside Palm Canyon. Comment
  RSA575830  Anemopsis californica Steve Boyd 1981-5-8 s.n. Riverside Gavilan Hills region, Gavilan Springs, western edge of the Gavilan Plateau at the head of Dawson Canyon. 610 Comment
  RSA652977  Anemopsis californica Robert MacGregor 1984-5-19 1 Riverside Lake Elsinore , CA Hwy 74, 1 mile W of junction with 15E Freeway, N side of road. Comment
  UCR201946  Anthemis cotula Mike Misenhelter 2005-7-12 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 miles E of Sun City, c. 2 mi. SW of Winchester, Hemet U. School Distr. proposed elementary school site, 14 acres on south side of Salt Creek and NE of the intersection of Leon and Patton Rds. 444 Comment
  UCR34896  Anthemis cotula L. B. Ziegler 1967-11-7 262 Riverside San Jacinto Mtns., Poppet Flats area 1070 Comment
  UC26361  Antirrhinum coulterianum Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR158507  Antirrhinum coulterianum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30035 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
  UCR48368  Antirrhinum coulterianum Steve Boyd 1986-5-1 1819 Riverside S slopes of Bachelor Mtn, east end of Lake Skinner Comment
  RSA425819  Antirrhinum filipes Anstruther Davidson 1927-4-11 s.n. Riverside Palm Springs, Cooper Mine Comment
Read comments
Nov 12 2011
  RSA612482  Antirrhinum kelloggii D. L. Banks 1997-2-23 1335 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
  UCR174456  Antirrhinum kelloggii A. C. Sanders 2006-5-19 32412 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  CLARK-A1528-5198  Antirrhinum nuttallianum John C. Roos 1966-4-29 Riverside Comment
  RSA523366  Antirrhinum nuttallianum subsp. nuttallianum G. H. True 1935-4-17 242 Riverside Mockingbird Canyon. 457 Comment
  UCR107748  Apiastrum angustifolium D. L. Banks 1997-5-5 1993 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
  RSA0126209  Arabis glabra P. A. Munz 1922-6-23 5769 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  RSA629155  Arctostaphylos Jon E. Keeley 1992-7-17 16769 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  UCR54263  Arctostaphylos A. C. Sanders, E. J. Lawlor 1988-10-22 8731 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  RSA629449  Arctostaphylos glandulosa Jon E. Keeley 1992-7-16 16577 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  CAS-BOT-BC24914  Arctostaphylos glandulosa subsp. adamsii P. A. Munz; E. K. Balls 1952-8-21 17984 Riverside Road-Vandeventer Flat to Santa Rosa Peak. 2072 Comment
  RSA629365  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16820 Riverside Hwy 234, 3 km N of Hwy 74, San Jacinto Mtns. 1520 Comment
  RSA629432  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16835 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  UCR95942  Arctostaphylos glandulosa subsp. leucophylla Scott D. White 1996-8-1 4450 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  RSA631779  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19259 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631786  Arctostaphylos glauca Jon E. Keeley 1992-7-17 16731 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA631803  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20166 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 6 km south of Pinyon Pines, Santa Rosa Mountains. 1585 Comment
  RSA631851  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15083 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA632644  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16578 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  UC535008  Arctostaphylos glauca C. B. Wolf 1932-5-25 3695 Riverside 1/2 mi sw summit of Moreno Grade (sw of Beaumont); Bad Lands 609 Comment
  UCR63999  Arctostaphylos glauca Richard Minnich 1990-8-23 s.n. Riverside Lakeview Mtns., off Juniper Springs Road near Juniper Springs 640 Comment
  RSA78198  Arctostaphylos glauca var. eremicola P. A. Munz 1953-5-31 18516 Riverside ridge between Juniper Flats and Stubby Springs, Joshua Tree Nat'l Mon. Comment
  RSA633554  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21792 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633567  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20142 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633613  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21759 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA633623  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16697 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633681  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21773 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633754  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16678 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
  UCR174956  Arctostaphylos pringlei Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 355 Riverside Peninsular Ranges; San Jacinto Mtns., Parking lot and stream below parking lot on Calif. Hwy 243 across road from Lake Fulmor 1616 Comment
  RSA741185  Arctostaphylos pungens Scott D. White, Justin M. Wood 2008-6-16 12119 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  RSA721871  Arctostaphylos pungens var. pungens Michael Wall 2007-2-24 426 Riverside San Jacinto Valley off dirt road along wash feeding Bautista Creek off Bautista Creek Rd. 3.0 miles SE of Fairview Avenue 678 Comment
  CAS-BOT-BC158114  Arctostaphylos rainbowensis S. J. Myers 1993-1-22 s.n. Riverside Peninsular Range; Santa Ana Mtns.: Santa Rosa Plateau, SW of Mesa de Colorado, Carancho Rd. at Tortuga Rd. 396 Comment
  UCR57230  Arenaria douglasii Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns, S of town of Murrieta, on clay hillside at edge of road below Mesa De Burro Comment
  SD135192  Arenaria macradenia subsp. macradenia Craig Reiser, Dylan Hannon 1993-5-30 Riverside Northern flanks of Santa Rosa Peak Comment
  UC219064  Arenaria macradenia var. macradenia P. A. Munz 1922-6-29 5893 Riverside Santa Rosa Mts. 2133 Comment
  SFV21857  Argemone corymbosa J. R. Pucci 2001-5-7 14 Riverside San Jacinto Mountains Chino Canyon. Along abandoned road off north side of Tramway Road, 2 miles west of Highway 111. 425 Comment
  RSA652543  Argemone munita subsp. munita G. Foster 1961-4-30 s.n. Riverside Palm Canyon, Palm Springs. Comment
  RSA221051  Argemone munita subsp. robusta E. W. Lathrop 1966-5-8 6403 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA0119889  Argyrochosma jonesii Duncan S. Bell, Thomas Stoughton 2016-4-12 9220 Riverside Santa Rosa Mountains; eastern side of Martinez Mountain; in a side canyon off of Martinez Canyon, approximately 3.5 air miles southwest of the junction of Agua Alta Canyon and Martinez Canyon. 861 Comment
  RSA0046705  Argythamnia claryana Jim Andre 2014-1-27 26651 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  CAS-BOT-BC202502  Argythamnia serrata F. W. Peirson 1922-12-28 4437 Riverside Andreas Canyon, Colorado Desert 243 Comment
  RSA339663  Argythamnia serrata C. W. Tilforth 1980-5-28 54166 Riverside San Bernardino Mountains: Dry Colorado Desert slopes, S-facing and W-facing, N0S rocky rifge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 mile E of Whitewater Post Office. On rocky ridge at S end. Comment
  RSA718837  Aristida adscensionis Michael Honer, L. Hulse 2005-3-8 2043 Riverside Fargo Canyon; first main N-trending fork after entering canyon from bajada. Site of large long MWD aqueduct tunnel tailings pile. 457 Comment
  SEINET192378  Aristida adscensionis I. L. Wiggins 1941-3-27 9676 Riverside South end of Coxcomb Mountains 8 mi northeast of Desert Center. Comment
  SEINET10836050  Aristida adscensionis Harvey M. Hall 1905-5-1 Hall 5963 Riverside Canons along Colorado River, Colorado Desert. Comment
  UC573785  Aristida purpurea H. S. Yates 1937-6-27 6711 Riverside Lower San Jacinto River Canyon San Jacinto Quadrangle Comment
  SEINET10513118  Aristida purpurea var. fendleriana David Griffiths 1905-7-20 Griffiths 8008 Riverside 1 mile east of Baurring. Comment
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Sep 3 2017
  RSA6104  Aristida purpurea var. nealleyi C. B. Wolf 1932-5-24 3640 Riverside Snow Creek, 0.5 mile below the Fish Hatchery, north base of San Jacinto Mountians. 549 Comment
  CAS-BOT-BC90198  Artemisia californica Nancy Ryan Zabriskie; Walter Zabriskie 1972-12-25 548 Riverside on trail to ridge above Eagle Peak, Andreas Canyon watershed, east slope San Jacinto Mts. 914 Comment
  LA93406  Artemisia californica Nancy Ryan Zabriskie; Walter Zabriskie 1972-12-25 548 Riverside San Jacinto Mountains, Andreas Canyon watershed, on trail to ridge above Eagle Peak, E slope of mountains 914 Comment
  RSA94534  Artemisia californica F. W. Peirson 1922-12-27 3338 Riverside Between the forks of Andreas Canyon, east base of Mt. San Jacinto. 610 Comment
  UCR277728  Artemisia douglasiana Mitch Provance 2012-10-15 1012- 07 Riverside Badlands of Western Riverside County, San Timoteo Creek, about 3.5 miles west of Beaumont, N side of Hwy. 60 1479 Comment
  UC1119479  Artemisia tridentata subsp. tridentata A. Lewis 1934-5-1 463 Riverside Temescula River Elsinore Quadrangle, Temescula River Comment
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Dec 11 2011
  RSA0026078  Asclepias albicans J. Andre 2012-3-19 21333 Riverside Chuckwalla Mountains; north end of range at Jaeger Nature Sanctuary, 1.5 miles south of junction Eagle Mountain Road and I-10 freeway. 411 Comment
  CSUSB408  Asparagus officinalis Bob Sullivan 1966-3-27 Riverside 400 yards north of Blaine and Canyon Crest, 10 feet from edge of Gage Canal, city of Riverside. 228 Comment
  UCR110394  Aster bernardinus A. C. Sanders, Mitch Provance 1999-9-26 23078 Riverside San Jacinto Mountains, McMullen Flat c. 1 km NW of Valley High County Park, c. 1 km SE of Hwy 74 off (W of) Twin Pines Ranch Rd. 1195 Comment
  UCR46723  Aster bernardinus B. G. Pitzer, D. C. Hawks 1986-12-2 0364 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  RSA417656  Aster subulatus var. ligulatus L. C. Wheeler 1932-9-4 1335 Riverside Santa Ana River at Chino Creek 183 Comment
  UC862496  Astragalus aridus I. W. Clokey, B. C. Templeton 1930-4-9 4710 Riverside n Palm Springs (Colorado Desert); , n of Palm Springs 170 Comment
  CAS-BOT-BC177733  Astragalus crotalariae Marcus E. Jones 1903-5-8 s.n. Riverside Indio -7 Comment
  UC862664  Astragalus didymocarpus var. dispermus C. L. Hitchcock 1940-4-4 5953 Riverside Pinto Basin Pinto Basin (sandy wash) Comment
  RSA321311  Astragalus filipes L. B. Ziegler 1972-5-17 457 Riverside San Jacinto Mtns. Hemet (Garner) Valley. 1418 Comment
  CAS-BOT-BC228850  Astragalus gambelianus A. C. Sanders; T. B. Salvato 2011-4-27 39334 Riverside Peninsular Range: south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  RSA585886  Astragalus gambelianus D. L. Banks, S. D. Boyd 1995-5-9 0320 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
  UCR174463  Astragalus gambelianus A. C. Sanders 2006-5-19 32380 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
  UCR214434  Astragalus insularis var. harwoodii A. C. Sanders 2010-3-15 37423 Riverside Sonoran (Colorado) Desert, western edge of Blythe near the airport, Black Rock Rd. near the Mesa Dr. and I-10 intersection 120 Comment
  POM9368  Astragalus lentiginosus var. coachellae Mary F. Spencer 1920-3-17 1501 Riverside Whitewater. Comment
  RSA643197  Astragalus lentiginosus var. coachellae James C. Dice, Kimberly A. Nicol 1998-3-24 980324 -3 Riverside 7.1 miles (11.4 km) N of Desert Center, along State Highway 177. 162 Comment
  UCR208171  Astragalus lentiginosus var. coachellae H. D. Ripley, R. C. Barneby 1942-4-2 4271 Riverside Sonoran (Colorado) Desert, Palm Springs 137 Comment
  UCR277105  Astragalus pachypus var. jaegeri T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3770 Riverside San Jacinto Mountains, San Jacinto River Canyon, lower part of the South Fork Trail (FSR 2E17) close to the San Jacinto River 1195 Comment
  RSA286101  Astragalus palmeri John F. Emmel 1980-5-8 707 Riverside N end of Santa Rosa Mts; S base of Sugarloaf Mtn., at SE end of Pinyon Flat. 1235 Comment
  RSA800138  Astragalus palmeri Robert F. Thorne, A. Shmida, R. Whittaker 1978-4-23 52076 Riverside Bighorn Lookout. Comment
  UC56244  Astragalus pomonensis H. M. Hall Apr. 1903 3815 Riverside vicinity Riverside; vicinity of Riverside 304 Comment
  UCR167785  Astragalus pomonensis T. B. Salvato, Gregg Miller 2005-6-3 1358 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  UCR238090  Astragalus pomonensis Mark A. Elvin, Julie M. Vanderwier, Frank Sartuche 2002-5-16 2048 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  POM13388  Astragalus sabulonum E. C. Jaeger 1922-3-18 s.n Riverside Sands E of Mecca. Comment
  CAS-BOT-BC27727  Astragalus vaseyi var. johnstonii Philip Alexander Munz; Ivan Murray Johnston 1922-5-7 5271 Riverside Keyes Ranch, Little San Bernardino Mts. 1066 Comment
  RSA692506  Athyrium filix-femina subsp. cyclosorum M. B. Dunkle 1933-7-31 3732 Riverside San Jacinto Mtns.: Idyllwild. 1616 Comment
  RSA614289  Athysanus pusillus D. L. Banks, V. W. Steinmann 1997-3-13 1519 Riverside NW Palomar Mountains, Agua Tibia Mountains: Vail Lake area, north and just south 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
  CAS-BOT-BC98815  Atrichoseris platyphylla Mrs. G. Earle Kelly 1926-4-1 s.n. Riverside Painted Canyon near Indio Comment
  UCR180227  Atrichoseris platyphylla Scott D. White, Pam Devries 2006-3-14 11254 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  POM278665  Atriplex canescens Grant D. Brown 1949-12-14 471 Riverside 1/2 mile west of Indio city limits on Hwy 99. Comment
  UCR109572  Atriplex canescens R. D. Goeden, Don W. Ricker 1978-11-16 s.n. Riverside Coachella Valley, Indio, Monroe St. -6 Comment
  RSA0089541  Atriplex coronata var. notatior D. E. Bramlet, Melissa Riedel-Lehrke 2006-5-31 4014 Riverside Perris Basin: West Hemet area, MWD canal right-of-way, south of Florida Ave. 456 Comment
  UCR241784  Atriplex coronata var. notatior A. C. Sanders, Timothy W. Chumley 2013-3-29 40721 Riverside Peninsular Range; Elsinore Valley, Baker St. between Elsinore and Alberhill, vacant lot between burned house and fenced equipment yard, 0.6 km SE of Pierce St. 384 Comment
  RSA746520  Atriplex glauca R. E. Riefner Jr. 2005-12-30 5 -792 Riverside City of La Sierra, Gramercy Pl. near La Sierra Ave. 227 Comment
  UCD169480  Atriplex glauca R. E. Riefner Jr. 2002-12-12 2- 521 Riverside Peninsular Range; Temescal Canyon Mouth: city of Corona, along Magnolia Ave. off-ramp on southwest side of Hwy I-15. 216 Comment
  CHSC239  Atriplex hymenelytra E. Thomas 1940-2-17 Riverside Thermal Canyon, Coachella valley. 30 Comment
  LA91314  Atriplex lentiformis Louis Wheeler; 1931-11-27 387 Riverside 3 mi. SE Salton Bench Mark -76 Comment
  SBBG1772  Atriplex lentiformis subsp. breweri H. and M. Dearing 1940-11-10 5017 Riverside Thousand Palms Cyn Comment
  CAS-BOT-BC176533  Atriplex polycarpa Marcus E. Jones 1903-5-8 s.n. Riverside Indio -7 Comment
  OBI2984  Atriplex polycarpa Lewis S. Rose 1967-12-19 67177 Riverside La Quinta 15 Comment
  UC55965  Atriplex serenana var. serenana H. M. Hall April, 1902 Riverside vicinity Winchester; vicinity of Winchester 457 Comment
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Mar 20 2011
  CLARK-A1528-4493  Avena barbata John C. Roos 1952-2-18 5353 Riverside Riverside 274 Comment
  RSA495453  Avena barbata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2981 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  UCR104080  Avena fatua A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20649 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
  SDSU14320  Azolla filiculoides Michelle Perl 2002-4-20 13 Riverside Santa Margarita Ecological Reserve 1/8 mile east of the junction between Santa Margarita River and Via Tornado Road. 229 Comment
  RSA463260  Baccharis pilularis L. F. LaPre 1988-1-8 s.n. Riverside Mesa de Burro, Santa Rosa Plateau, W of Murrieta 610 Comment
  RSA25156  Baccharis salicifolia C. L. Hitchcock 1940-4-12 6408 Riverside 8 mi. northwest of Elsinore 457 Comment
  RSA770295  Baccharis salicifolia Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4580 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CAS-BOT-BC106628  Baccharis salicina E. W. Lathrop 1965-10-24 6019 Riverside 8 miles west of Murrieta. Plateau of the Santa Ana Mountains. 609 Comment
  SD247313  Bahiopsis parishii Andy Sanders, Jim Malusa 2015-3-9 41367 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, along Gasline Road at major wash crossing 1.9 miles south of Bradshaw Trail, US Navy Chocolate Moutains Aerial Gunnery Range. 671 Comment
  CAS-BOT-BC99951  Baileya pauciradiata John Thomas Howell 1928-3-11 3435 Riverside 6 miles se. of Garnet Station, Coachella Valley, Colorado Desert 152 Comment
  CAS-BOT-BC99953  Baileya pauciradiata Alice Eastwood 1913-4-30 3049 Riverside Palm Springs Comment
  JOTR37508  Baileya pauciradiata Hodges, Stephen R. 2016-3-1 634 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
  JEPS34795  Baileya pleniradiata Marjorie D. Clary 1932-5-26 1651 Riverside s of 29 Palms (Hexie Mt. Colorado Desert); Colorado Desert, Hexie Mt. 1066 Comment
  RSA296176  Bebbia juncea B. A. Prigge 1980-8-5 3856 Riverside Whitewater Canyon, 0.5 miles N of trout farm 701 Comment
  SD262181  Bebbia juncea var. aspera Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-2 617 05 Riverside Temescal Valley: Horsethief Canyon Wash, S. side of I-15, vicinity of De Palma Rd. 377 Comment
  RSA713874  Bebbia juncea var. juncea Michael Wall 2006-6-3 418 Riverside Along the San Jacinto River, east of Hemet, ca. 2.2 miles east of the Cranston Ranger Station 652 Comment
  SD132415  Berberis nevinii Scott White 1990-10-2 Riverside Vail Lake area: Hwy 79, immediately west of Dripping Springs Guard Station (mak 10/07) 487 Comment
  RSA0089287  Bergia texana David 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
  RSA701744  Bloomeria crocea Steve Boyd, Valerie Soza 2004-6-22 11541 Riverside Western flank of the range in Hall Canyon, at the south end of Lake Fulmor, just north of Hwy 243. 1646 Comment
  UCSB26797  Bloomeria crocea var. montana Wilken, Dieter 1969-6-30 Riverside California State Highway 74, 0.5 miles west of Keen Camp Summit, San Jacinto Mtns Comment
  RSA482666  Boechera californica N. R. Zabriskie, W. M. Zabriskie 1970-5-3 296 Riverside Service road S of S end of Marion Ridge Rd., Pine Cove, NW of Idyllwild. Comment
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Feb 16 2013
  SBBG50743  Boechera californica R. S. Woglum 1941-6-12 3059 a Riverside Idyllwild Comment
  JOTR33134  Boechera perennans Supernaugh, William 1967-2-26 s.n. Riverside Joshua Tree National Park. Northwest Hexie Mountains; 100 yards west of Stirrup Tank parking lot 1085 Comment
  SEINET3166373  Boechera xylopoda P. J. Alexander 2009-4-13 1006 -A, B, C Riverside San Jacinto Mountains, San Bernardino National Forest, along CA Hwy. 243 on the south side of the San Jacinto Penny Pines Plantation turnout, 2.1 miles WNW of the Stone Creek Campground, 0.3 miles SSE of Lake Fulmor. 1661 Comment
  JOTR30048  Boerhavia coccinea La Doux, Tasha 2006-10-24 1655 Riverside Joshua Tree National Park. Twentynine Palms, park headquarters, nursery compound Comment
  UCR19110  Boerhavia intermedia John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Desert Center Comment
  UCR215450  Boerhavia triquetra Tasha La Doux, Jim Andre 2008-9-16 336 Riverside Mojave Desert, Joshua Tree National Park, along Bell Mountain Road atop Bell Mountain, c. 0.3 mi. north of radio tower 1359 Comment
  RSA778409  Boerhavia wrightii Stephanie Rockwood, Christi Gabriel 2011-10-5 58 Riverside Corn Springs Wash off Corn Springs Road. Corn Springs exit from I10. Chuckwalla Mountains Wilderness. 416 Comment
  UCR442  Bolboschoenus maritimus subsp. paludosus O. F. Clarke 1970-9-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River bottom just east of the old Salt Lake RR Bridge 216 Comment
  RSA0093776  Bouteloua aristidoides Duncan S. Bell 2015-9-30 8678 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  UCR245921  Bouteloua aristidoides Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3948 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  RSA778395  Bouteloua barbata Amber Swanson, Linda Jean Foster 2011-10-8 640 Riverside Large wash off Blythe Rice Rd 270 Comment
  UCR201433  Bouteloua curtipendula Scott D. White, Justin M. Wood 2008-6-17 12177 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  RSA674966  Brachypodium distachyon Scott D. White, Teresa Salvato 2001-6-8 8584 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  RSA207686  Brandegea bigelovii James Henrickson 1969-11-8 4371 Riverside 5 air mi S of Palm Desert near top of Seven Level Hill at scenic stop 671 Comment
  SD46074  Brandegea bigelovii Francia Chisaki, Peter Kamb 1952-4-6 2196 Riverside Box Canyon, on road from Mecca to Blythe Comment
  UC194837  Brandegea bigelovii S. B. Parish 1916-5-13 10849 Riverside Colorado Desert, Cottonwood Spring Cottonwood Spring; Colorado Desert, Cottonwood Spring 792 Comment
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Oct 9 2010
  UC68780  Brandegea bigelovii H. M. Hall Apr. 1905 5948 Riverside Colorado Desert, McCoy Wash 91 Comment
  UCR104965  Brandegea bigelovii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2730 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR166551  Brandegea bigelovii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10893 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR245073  Brandegea bigelovii A. C. Sanders, T. B. Salvato 2012-10-12 40413 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction 124 Comment
  RSA0009699  Brandegea bigelovii Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  SEINET8550766  Brandegea bigelovii R. H. Peebles, H. F. Loomis 1930-4-6 121 Riverside Shaver's Well. 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
  RSA711994  Brassica tournefortii A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25832 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  RSA783015  Brassica tournefortii J. Andre 2011-2-2 16204 Riverside West of Palm Springs alon Hwy 111 (south side) at base of San jacinto Mtns at Windy Point approx. 5.5 mi from Jct with I-10 259 Comment
  RSA793532  Brassica tournefortii Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3955 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  UCR92797  Brassica tournefortii Scott D. White 1994-3-29 1938 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  CLARK-A1528-175  Brickellia desertorum Oscar F. Clarke 1969-10-8 Riverside Riverside Comment
  RSA5580  Brickellia desertorum C. B. Wolf 1932-10-13 4312 Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  UCR13707  Brickellia desertorum N. R. Zabriskie, N. Bercovitz 1971-11-15 463 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon, E slope San Jacinto Mtns. 306 Comment
  CAS-BOT-BC127653  Brickellia microphylla var. microphylla P. A. Munz 1941-10-1 17236 Riverside on palms to Pines Highway north base of Santa Rosa Mts. Comment
  SEINET4063038  Brodiaea filifolia O. M. Clark 1932-1 Riverside Comment
  RSA376782  Brodiaea santarosae Christopher Davidson 1977-5-25 5639 Riverside Mesa de Burro, Santa Rosa Plateau area of the Santa Ana Mtns. 701 Comment
  RSA752784  Brodiaea terrestris subsp. kernensis Scott D. White, Justin M. Wood 2009-5-21 12848 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  SD132932  Brodiaea terrestris subsp. kernensis Tim Cass, Fred Sproul 1979-6-1 201 Riverside Mesa de Colorado, Pool A. (IPB 2/08) Comment
  RSA180433  Bromus arenarius E. W. Lathrop 1965-5-9 5742 Riverside 6 miles W of Murrieta. Comment
  SD237263  Bromus berteroanus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-4-2 37749 Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona Lake, .5 mi. NE of Temescal Canyon Rd. where it goes under I-15. 404 Comment
  UC50578  Bromus berteroanus Dr. A. Davidson Riverside Banning Comment
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Mar 21 2011
  UC37668  Bromus carinatus var. carinatus H. M. Hall 1901-7-19 2462 Riverside San Jacinto Mountains, Tahquitz Valley Tahquitz Valley; San Jacinto Mountains, Tahquitz Valley 2133 Comment
  RSA775445  Bromus diandrus Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4447 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 W116.64313 487 Comment
  UCR232031  Bromus diandrus John F. Green 2008-4-15 0408- 17 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  RSA0042648  Bromus diandrus Margaret Murphy 1983-4-15 0004 -A Riverside Located in the north section of parcel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  UCR193875  Bromus grandis A. C. Sanders, Mitch Provance 2008-7-11 35795 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
  RSA752885  Bromus hallii Orlando Mistretta 2009-7-10 3992 Riverside Santa Ana River Canyon. Vicinity of Camp Round Meadow; 0.40 miles SE of junction of highway 38 and Jenks Lake Rd. 2027 Comment
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Jun 16 2018
  UCR2234  Bromus hallii F. M. Reed 1908-7-14 2449 Riverside San Jacinto Mtns, Dry ridge on south side of Tahquitz 2378 Comment
  SDSU13675  Bromus hordeaceus Jutta Buschbom 1991-9-6 4 Riverside SE-Slope, N-Border of the Reserve, beyond an avocado-grove, ca. 500 m (15 min) NW from the fieldstation. Santa Margarita Ecological Reserve. Comment
  SEINET244774 Image available Bromus hordeaceus subsp. molliformis A. C. Sanders, D. Malueg 2002-4-8 24908 Riverside Perris-Aguanga Basin; Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  SEINET3922879  Bromus madritensis subsp. rubens A. C. Sanders 2005-4-21 29571 Riverside Peninsular Range: Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak (Steele Peak 7.5' Q.).; 0 622 Comment
  UCR165391  Bromus rubens A. C. Sanders 2005-4-21 29571 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  RSA772964  Bromus tectorum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4773 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD136964  Bromus tectorum Steve Boyd, Tim Ross, Dave Bramlet 1993-5-13 7381 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile. 410 Comment
  UCR214119  Bromus trinii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37749 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 404 Comment
  UC864230  Caesalpinia virgata C. L. Hitchcock 1940-3-29 5850 Riverside ca. 12 mi. e. Indio Comment
  RSA466560  Calandrinia ciliata Ora M. Clark 1929-3-2 1610 Riverside Near Elsinore. Comment
  RSA650084  Calandrinia ciliata Marion P. Harthill 1976-5-6 s.n. Riverside Rancho California. 762 Comment
  SD7939  Calandrinia ciliata Daniel Cleveland 1882-4-24 Riverside Copelands, San Jacinto Plains Comment
  UCR121784  Calandrinia ciliata A. C. Sanders, Carolyn Washburn 2001-4-17 24033 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  CDA6854  Calendula officinalis T. C. Fuller 1962-6-6 8849 Riverside La Cadena & Iowa Avenue, east of Highway 395 freeway, Highgrove. 0 Comment
  UCR20524  Callitriche heterophylla E. W. Lathrop 1966-5-1 6225 Riverside Peninsular Range, 3 mi west of Murrieta Comment
  UCD132935  Calocedrus decurrens Lionel A. Stange 1956-5-13 s.n. Riverside San Jacinto Mountains, Dark Canyon campground. Comment
  RSA377345  Calochortus concolor Robert L. Rutherford 1944-7-16 1386 Riverside San Jacinto Mountains. West side. 1220 Comment
  UCR193491  Calochortus concolor A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35610 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mile SW of Fleming Ranch, along dirt track 1555 Comment
  CAS-BOT-BC488543  Calochortus concolor Philip A. Munz; P. C. Everett 1950-6-23 14907 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains 1402 Comment
  RSA369039  Calochortus palmeri var. munzii Robert L. Rutherford 1944-7-15 1593 Riverside Palms to Pines Highway. 1463 Comment
  RSA377469  Calochortus splendens Christopher Davidson 1977-5-25 5652 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  RSA192246  Calochortus weedii H. A. Zuill 1966-6-5 191 Riverside 1 mile SW of Murrieta on the Tenaja Grade. Comment
  SD133195  Calycoseris parryi Scott White 1991-5-13 91 89 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 550 Comment
  UCR29780  Calycoseris wrightii George K. Helmkamp 1983-3-24 383- 14 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  JOTR32126  Calyptridium monandrum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2282 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  UC1537159  Calystegia macrostegia Gordon H. True Jr. 1935-3-1 42 Riverside Gavilan Hills 548 Comment
  UCR21841  Calystegia macrostegia 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
  UCR94265  Calystegia macrostegia subsp. intermedia Scott D. White 1996-4-14 3919 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  RSA788341  Calystegia sepium Daphne K. Christopher, Hannah Stevens 2003-4-8 116 Riverside Santa Rosa Plateau Nature Conservancy Preserve. Coyote Trail near Hidden Valley trailhead. 556 Comment
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May 12 2020
  UC68590  Camissonia H. M. Hall Apr. 1905 5833 Riverside near Mecca; Colorado Desert -30 Comment
  UCR117648  Camissonia Scott D. White 1995-8-23 3586 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  SEINET4680880  Camissonia bistorta R. L. Piemeisel 1913-5-2 3559 Riverside Crestmore field.; 0 Comment
  UCR174091  Camissonia bistorta A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32613 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  RSA766633  Camissonia boothii Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 165 Riverside McCoy Wash. N of I-10. Rd going N from Black Rock Rd. S side of private land boundary. 244 Comment
  RSA684332  Camissonia brevipes Scott D. White, Michael Honer 2003-4-18 9031 Riverside Shavers Valley. Just northeast of unnamed freeway exit at pumping station. 488 Comment
  UCR148459  Camissonia brevipes S. J. Myers 2005-2-1 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 9 miles (4 air line) east of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 21 Comment
  RSA0043028  Camissonia brevipes subsp. brevipes Duncan S. Bell, Loraine Washburn 2014-4-8 6576 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern/central section of range; approximately 2.25 air miles north of Clemens Well and Bradshaw Trail. 495 Comment
  RSA466013  Camissonia brevipes subsp. brevipes E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert, Box Canyon Comment
  RSA200915  Camissonia californica Carl B. Wolf 1932-5-25 3670 Riverside San Jacinto Mountains, 0.5 miles below the Fish Hatchery, Snow Creek, North base of mountains 549 Comment
  RSA772126  Camissonia californica Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4831 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 915 Comment
  RSA0029396  Camissonia campestris subsp. campestris Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4680 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  SEINET3259929 Image available Camissonia campestris subsp. campestris Marcus E. Jones 1882-4-24 3168 Riverside San Jacinto. Comment
  POM177939  Camissonia cardiophylla Joseph A. Ewan 1931-4-4 4154 Riverside Summit east of Shaver's Well. 518 Comment
  POM184500  Camissonia cardiophylla C. L. Hitchcock 1932-4-7 12209 Riverside Corn Springs. Comment
  RSA136919  Camissonia cardiophylla Peter H. Raven 1958-3-15 11832 Riverside Painted Canyon, near Mecca. Comment
  SEINET5344149  Camissonia cheiranthifolia N. D. Atwood 1993-3-27 17699 Riverside Above & adjacent to coast, Corona Del Mar State Park along Newport Coast Drive Comment
  CLARK-A1528-5363  Camissonia claviformis John C. Roos 1947-2-15 3267 Riverside Eagle Mountains Comment
  UCR148049  Camissonia claviformis Steve Boyd, Et al. 2004-5-14 11286 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  POM14095  Camissonia claviformis subsp. aurantiaca P. A. Munz, D. Keck 1922-4-9 4775 Riverside Shavers Well, near Mecca. 76 Comment
  UCR104035  Camissonia claviformis subsp. claviformis George K. Helmkamp, E. A. Helmkamp 1998-2-5 2655 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  RSA781982  Camissonia claviformis subsp. yumae Stephanie Rockwood, Christi Gabriel 2011-12-14 217 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 107 Comment
  POM13667  Camissonia hirtella P. A. Munz 1922-6-1 5940 Riverside Santa Rosa. 1890 Comment
  RSA749236  Camissonia hirtella Robert F. Thorne, Walter Wisura, David Michener 1982-5-24 55190 Riverside Cleveland National Forest, along Main Divide Truck Road 915 Comment
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Oct 27 2011
  UCR172253  Camissonia hirtella John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  UCR250564  Camissonia ignota A. C. Sanders 2014-4-25 41065 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  RSA593996  Camissonia micrantha D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0939 B Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  UCR251347  Camissonia pallida S. J. Myers 2014-5-21 1068 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  RSA465916  Camissonia pallida subsp. pallida N. C. Cooper 1949-3-15 3014 Riverside Cabazon. 549 Comment
  RSA691087  Camissonia pallida subsp. pallida Scott D. White 2001-4-18 8356 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  RSA770786  Camissonia pallida subsp. pallida Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4526 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  RSA449052  Camissonia refracta L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain on gravelly hillside Colorado River. Comment
  SEINET3093216 Image available Camissonia refracta P. Leary 1975-3-13 992 Riverside Pinto Mountains, Joshua Tree National Monument. Comment
  POM13205  Camissonia strigulosa P. A. Munz, I. M. Johnston 1922-5-20 5466 Riverside Kenworthy, San Jacinto Mountains. 1433 Comment
  POM3184  Camissonia strigulosa C. F. Baker 1904-4-5 4116 Riverside Hemet Comment
  RSA162858  Camissonia strigulosa J. D. Olmsted 1959-8-18 786 Riverside Desert Sun School near Idyllwild; M[iddle] Fork San Jacinto River. 1646 Comment
  SBBG104645  Camissonia strigulosa M. A. Patten 1992-5-14 92 -5 Riverside Cherry Valley, just N of Cherry Park Drive between Mtn View Avenue and Beaumont Avenue Comment
  SEINET238561  Camissonia strigulosa George K. Helmkamp 1998-6-27 4103 Riverside Santa Rosa Mtns.: 3.3 mi S of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of an unamed spring. 1585 Comment
  SDSU3329  Camissoniopsis bistorta H. Wedberg 1958-3-31 200 Riverside About 7.5 miles east of Hemet on road to Mountain Center. 561 Comment
  UC76450  Camissoniopsis bistorta Miss M. Alice King March, 1893 Riverside Menifee Comment
  UCR166298  Camissoniopsis ignota A. C. Sanders 1997-3-1 19707 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UC1122272  Camissoniopsis pallida subsp. pallida H. S. Yates 1937-3-23 6401 Riverside 2 mi n Palm Springs; San Jacinto Quadrangle Comment
  UC219221  Camissoniopsis pallida subsp. pallida P. A. Munz and I. M. Johnston 1922-5-6 5223 Riverside Smith Water Canyon Little San Bernardino Mts. 1005 Comment
  UCR35113  Cannabis sativa L. B. Ziegler 1974-9-14 535 Riverside Foothills of San Jacinto Mtns., canyon two miles south of Hemet 503 Comment
  CAS-BOT-BC17706  Carex alma Philip Alexander Munz 1941-5-18 16652 Riverside Elsinore Mountains. North end of Santa Rosa Ranch, 914 Comment
  POM259161  Carex alma Phillip A. Munz 1938-8-14 15366 Riverside Head of Black Rabbit Canyon, Toro Peak, Santa Rosa Mountains. 2378 Comment
  RSA6109  Carex fracta Carl B. Wolf 1932-5-24 3653 Riverside Snow Creek, north base San Jacinto Mountains. 1 mile above the Fish Hatchery. 793 Comment
  UCR110982  Carex fracta George K. Helmkamp 1998-6-27 4123 Riverside Santa Rosa Mtns., 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), in vicinity of Santa Rosa Spring. 2232 Comment
  RSA797495  Carex multicaulis Keith E. Hoffmaster 1937-7-5 829 Riverside Fern Valley, San Jacinto Mtns Comment
  CAS-BOT-BC118511  Carex praegracilis Earl W. Lathrop 1964-5-24 5385 Riverside 14 mi W of Murrieta 548 Comment
  UCR270200  Carex triquetra A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42397 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  UCR79474  Carex triquetra Steve Boyd, T. S. Ross, D. E. Bramlet 1993-5-12 7311 Riverside S Santa Ana Mtns, San Mateo Canyon Wilderness Area. San Mateo Canyo, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon 427 Comment
  UCR90608  Carex triquetra Scott D. White 1995-6-29 3390 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  SEINET949262  Cassia nemophila A. C. Sanders, K. C. Rose 1999-1 22794 Riverside Coachella Valley: between La Quinta and Indio, along Jefferson St. Between Ave 54 and I -10 (La Quinta 7.5) 10 Comment
  SD217376  Castilleja affinis Steve Boyd, Tim Ross and Laurel Arnseth 1990-3-29 3910 Riverside Vail Lake Area, summit of Big Oak Mountain, north of lake. 792 Comment
  UCR37493  Castilleja affinis Steve Boyd 1981-3-11 s.n. Riverside Estelle Mountain, along fenceline between T5S, R5W S5 and T4S, R5W S 32 793 Comment
  RSA740919  Castilleja applegatei subsp. martinii Justin M. Wood, Brandy N. Ulrich 2008-7-14 20 Riverside Garner Valley, near intersection of Fobes Ranch Rd and Hwy 74. 1348 Comment
  JEPS10615  Castilleja exserta subsp. exserta Marjorie D. Clary 1932-3-20 1638 Riverside 10 mi nw Garnet; Colorado Desert, Mission Creek 457 Comment
  RSA0010926  Castilleja exserta subsp. exserta N. C. Cooper 1944-4-21 1127 Riverside Banning. 701 Comment
  RSA0010910  Castilleja minor subsp. spiralis Philip A. Munz 1938-8-14 15343 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  UCR106733  Castilleja minor subsp. spiralis John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  RSA0010911  Castilleja minor subsp. spiralis C. M. Dammers 1930-10 s.n. Riverside Palm Springs. Comment
  RSA531097  Caulanthus cooperi M. B. Dunkle 1937-3-25 4902 Riverside Colorado Desert. Shaver s Well Comment
  RSA0120135  Caulanthus hallii Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9082 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  UC56735  Caulanthus hallii W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1902 Riverside Santa Rosa Mt., Coyote Canyon 1584 Comment
  UCR70891  Caulanthus heterophyllus Steve Boyd, T. S. Ross 1990-5-11 4621 Riverside Agua Tibia Mountains, Cleveland National Forest, base of Agua Tibia Mtn, east of Dripping Springs campground, south of Hwy 79 671 Comment
  HSC85460  Caulanthus lasiophyllus Steve Boyd 1986-4-2 1608 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SBBG87473  Caulanthus lasiophyllus A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6099 Riverside Corn Spring, Chuckwalla Mtns; T6S R16E S28 487 Comment
  CAS-BOT-BC56931  Ceanothus Steve Boyd; Tim Ross 1993-3-23 7894 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 670 Comment
  PASA1640  Ceanothus crassifolius Sally Ellis 1940-3-17 Riverside Dripping Springs Comment
  RSA16507  Ceanothus crassifolius Percy C. Everett 1935-6-17 7151 Riverside Coldwater Canyon Trail to Santiago Peak., 2 miles above Glen Ivy Resort. 610 Comment
  RSA398876  Ceanothus crassifolius Gale Sphon 1955-3-5 s.n. Riverside Elsinore Mountains, Horsethief Canyon, along sunny side of road Comment
  UCR114804  Ceanothus crassifolius Mitch Provance 1998-2-17 78 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  UCR174370  Ceanothus crassifolius A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32658 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  RSA510026  Ceanothus crassifolius B. Pitzer, E. Misquez 1988-2-28 619 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  SBBG105059  Ceanothus crassifolius var. crassifolius S. Boyd with T. Ross 1993-3-23 Riverside Palomar Range S of Vail Lake, N base of Agua Tibia Mtn, along trail extending S from end of Woodchuck Rd Comment
  SBBG87982  Ceanothus crassifolius var. crassifolius L. F. LaPre 1988-1-8 2149 Riverside Mesa de Burro, Santa Rosa Plateau 609 Comment
  RSA575059  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -C Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  RSA575062  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -g Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  UCR135732  Ceanothus greggii Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9033 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  UC775032  Ceanothus integerrimus Carl B. Wolf 1941-8-15 11155 Riverside Santiago Pk., n side, 1/2 mi from summit Santa Ana Mts. 1676 Comment
  UCR23264  Ceanothus leucodermis J. C. Lyman 1981-5-16 s.n. Riverside Peninsular Ranges/San Jacinto Mountains, May Valley Rd, Idyllwild 1768 Comment
  POM254866  Ceanothus megacarpus W. Pequegnat 1940-6-18 s.n. Riverside Santa Ana Mts. Sierra Peak. Comment
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Jun 10 2012
  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
  RSA606743  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27406 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
  UC1608220  Ceanothus tomentosus Steve Boyd 1992-4-14 6805 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak; N end Oak Flats ares. 792 Comment
  RSA278302  Ceanothus tomentosus var. olivaceus C. W. Tilforth, Walter Wisura 1979-5-23 1804 B Riverside Murrieta-DeLuz Rd., ca. 2 air miles south of Murrieta. 335 Comment
  CDA7290  Centaurea X pouzinii F. J. Willmarth 1960-6-2 Riverside Old Fuller Rancho, near Corona. 0 Comment
  UCR156085  Centaurea melitensis T. B. Salvato, Kent Beaman 2005-5-16 809 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
  RSA505035  Centaurium venustum Ed LaRue 1989-7-4 s.n. Riverside SSW of Temecula, W side of Calle Cuesta, 1 mile airline W of Hwy 15 and 1.5 miles airline S of Rancho California Road. 396 Comment
  SFV20159  Centaurium venustum J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-5 263 .6 Riverside Santa Rosa Mountains Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 0.7 miles from Highway 74. 1500 Comment
  UCR281577  Centaurium venustum Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-31 517- 119 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  UCR217656  Centromadia pungens subsp. laevis Diane Menuz 2007-8-10 362 Riverside San Jacinto Mountains, Western foothills, 6.7 km south of Hwy I-10 659 Comment
  POM46965  Cercidium floridum Mary F. Spencer 1918-3-27 755 Riverside Palm Springs. 137 Comment
  RSA405360  Cercidium floridum M. B. Dunkle 1935-4-17 4551 Riverside W. of Wiley Well. Colorado Desert. Comment
  JEPS13976  Cercidium floridum subsp. floridum I. W. Clokey 1935-4-17 6717 Riverside Shafer Wells; ; [Shaver's Wells] Comment
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Apr 24 2011
  RSA597527  Cercocarpus betuloides Louis C. Wheeler 1960-5-9 7690 Riverside Santa Rosa Mountains. Garnet Queen Mine. Comment
  UCR270749  Cercocarpus betuloides T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8356 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  UC527317  Cercocarpus betuloides var. betuloides C. B. Wolf 1931-5-11 1950 Riverside near Pipe Creek (above Hemet Valley, San Jacinto Mountains); San Jacinto Mountains 1676 Comment
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Mar 24 2011
  POM187418  Cercocarpus ledifolius L. Crutcher 1933-8-22 4 Riverside Red Tahquitz, San Jacinto Mountains. Comment
  RSA586793  Chaenactis artemisiifolia Darin L. Banks, Steve Boyd 1995-5-3 0231 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
  CDA7367  Chaenactis carphoclinia var. attenuata M. Weisbauer 1960-3-27 Riverside Shaver s Summit. 0 Comment
  POM66615  Chaenactis carphoclinia var. carphoclinia Marcus E. Jones 1906-4-30 s.n. Riverside Indio. Comment
  UC1563087  Chaenactis carphoclinia var. carphoclinia Steven Boyd, B. Roy, T. S. Elias, S. Meury and S. Zona 1986-3-5 1352 Riverside halfway between I-10 and Box Canyon (Hwy 195, n base of the Orocopia Mts.); Colorado Desert, Orocopia Mts., Shavers Valley Comment
  UCR29853  Chaenactis carphoclinia var. carphoclinia George K. Helmkamp 1983-3-24 383- 19 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  CDA7365  Chaenactis carphoclinia var. peirsonii A. C. Browne 1957-4-6 Riverside 51 miles east of Indio. 0 Comment
  POM351700  Chaenactis fremontii Ora M. Clark 1929-2-22 1544 Riverside south Cabazon Comment
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Mar 13 2011
  RSA568710  Chaenactis fremontii Walter Wisura, A. King, L. Newcomb 1992-4-10 4664 Riverside Colorado Desert, Morongo Valley, Mission Creek Ranch W of Highway 62 below Morongo Valley. Comment
  SD126057  Chaenactis fremontii David Charlton 1988-2-25 1225 Riverside Alluvial fan, south side of Little San Bernardino Mountains; Dillon Road and 1000 Palms Oasis Road Junction, south of Joshua Tree National Prk 609 Comment
  UC53926  Chaenactis fremontii F. Gilman 1902-1 33 Riverside Palm Springs Comment
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Apr 3 2011
  UCD130343  Chaenactis fremontii R. L. Smith 1948-3-25 s.n. Riverside Cabazon. Comment
  UCR241830  Chaenactis glabriuscula A. C. Sanders, Timothy W. Chumley 2013-4-3 40762 Riverside Peninsular Range, Temescal Canyon just above Horsethief Canyon wash crossing of DePalma Rd. at old DePalma's Italian Village site, SE of Corona (Lee) Lake 378 Comment
  RSA525416  Chaenactis glabriuscula var. glabriuscula Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4524 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  UCR201491  Chaenactis glabriuscula var. lanosa Scott D. White, Justin M. Wood 2008-5-15 11965 Riverside San Jacinto Mountains, Garner Valley, northwest of Fobes Ranch Road and northeast of Hwy 74, valley bottom 1357 Comment
  HSC101261  Chaenactis stevioides Jim Andre 2012-3-19 21353 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  JOTR31997  Chaenactis stevioides La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2227 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  CLARK-A1528-1761  Chaetopappa aurea John C. Roos 1965-7-22 Riverside San Jacinto Mountains Comment
  POM2807  Chamaesyce albomarginata Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, sandy foothills near Lake Elsinore. Comment
  RSA778320  Chamaesyce micromera Amber Swanson, Kyle Dexter 2011-10-8 633 Riverside Sandy flats N off of Blythe Rice Rd. 237 Comment
  POM86120  Chamaesyce polycarpa var. hirtella Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA655094  Chamaesyce polycarpa var. polycarpa Scott D. White 2000-4-17 7653 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  POM281097  Cheilanthes covillei Lyman Benson 1946-4-15 12034 Riverside Canyon on Twenty-nine Palms Road from Whitewater. San Bernardino Mountains, Colorado Desert drainage area. 457 Comment
  UCR178965  Cheilanthes covillei Mitch Provance, Tracy Tennant 1998-6-16 MOR- 398 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just north of tree stand M-09 1280 Comment
  SEINET272413 Image available Cheilanthes newberryi A. C. Sanders, G Helmkamp 1997-3-15 19917 Riverside Lake Skinner Area; hill E of Skinner Lake at NW end of Tucalota Hills. UTM 10km cell: MH-9E 1N. Skinner Reservoir 567 Comment
  POM197998  Cheilanthes parryi Donald A. Johansen, J. A. Ewan 1932-4-10 7054 Riverside Ravine at mouth of Tahquitz Canyon Western Colorado Desert Comment
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Jan 5 2010
  RSA685826  Cheilanthes parryi P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs Comment
  UC1495274  Cheilanthes parryi Robert T. Clausen and Harold Trapido 1940-6-18 4676 Riverside mouth of Chino Canyon Comment
  UCR105987  Cheilanthes parryi L. C. Wheeler 1952-12-15 7026 Riverside Sonoran (Colorado) Desert, Riverside Mountains, shore of Alligator Slough of the Colorado River; [near] Mountaineer Mine, north of Johnson's Camp Comment
  UCR91552  Cheilanthes viscida A. C. Sanders, G. K. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15904 Riverside San Jacinto Mtns/Colorado Desert, Chino Canyon near Palm Springs, along the loop rd just below the lower tram station 793 Comment
  SEINET8008429  Cheilanthes viscida W. F. Parish No determinado Riverside Agua Caliente, Agua Caliente,Riverside, California Comment
  UCR120310  Chenopodium Mitch Provance 1997-6-18 1102 Riverside City of Riverside, Riverside Community College, between the NE (back) parking lot and Prospect Dr. 244 Comment
  CAS-BOT-BC426314  Chenopodium album Malcom A. Nobs; S. Galen Smith 1948-9-3 485 Riverside Imperial Valley: Citrus grove 2 miles N of Indio Comment
  RSA709239  Chenopodium album var. album A. C. Sanders, Mitch Provance, T. B. Salvato, B. Pitzer 2000-11-3 23723 Riverside Riverside, UCR campus, east side of the UCR Botanical Garden. 351 Comment
  UCR271709  Chenopodium berlandieri var. zschackei Mitch Provance 2011-7-4 17177 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  RSA0125297  Chenopodium californicum Duncan S. Bell, Eric Baecht, Eva Mansell 2016-3-3 8783 Riverside Whitewater Canyon, at the Whitewater Canyon Preserve, a few hundred feet north from the Ranger Station (trout pond). 677 Comment
  RSA500064  Chenopodium californicum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3247 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  RSA720297  Chenopodium californicum Mitch Provance, Tim Ross 1998-3-27 989 Riverside Morongo Indian Reservation, S entrance to Hathaway Cyn., near the corner of Verdugo Rd. and Hathaway Cyn. Rd. 732 Comment
  RSA356894  Chilopsis linearis R. F. Thorne 1966-10-15 41786 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Hwy. Comment
  RSA455320  Chilopsis linearis M. B. Dunkle 1934-3-18 S.N. Riverside Shavers Valley. Mecca Hills. W. of Shaver's Well. 91 Comment
  SD229109  Chilopsis linearis Dick Schwenkmeyer 2012-10-16 849 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  UCR193959  Chilopsis linearis A. C. Sanders 2008-7-25 35924 Riverside Interior South Coast; San Jacinto Valley, Gilman Springs Road, c. midway between Bridge St. and Lambs Canyon Rd., c. 5.6 mi. (air) ENE of Lakeview 473 Comment
  POM10316  Chilopsis linearis subsp. arcuata Charlotte M. Wilder 1904-8-7 505 Riverside Shaver s Wells. Colorado Desert. Saligma Comment
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Jul 24 2010
  RSA455310  Chilopsis linearis subsp. arcuata George R. Johnstone, G. R. Johnstone 1930-4-14 14659 Riverside Shavers Well Comment
  RSA701160  Chilopsis linearis subsp. arcuata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11264 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage.Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UCR126989  Chloris truncata A. C. Sanders, Guy Bruyea 2003-6-12 26893 Riverside Perris-Aguanga Basin Region, Winchester, SE side of town between Simpson Ave. and Olive Ave., east of Hwy 79/Winchester Rd. 450 Comment
  CAS-BOT-BC184868  Chloris virgata John C. Roos 1952-9-3 5897 Riverside Riverside. At Citrus Experiment Station. 304 Comment
  CAS-BOT-BC184874  Chloris virgata S. B. Parish 1912-10-24 8227 Riverside Salton Basin. Manual. -39 Comment
  UCR137375  Chorizanthe brevicornu June Latting 1978-4-30 s.n. Riverside Sonoran (Colorado) Desert, Red Cloud Mine Road near I-10 427 Comment
  UCR167413  Chorizanthe brevicornu John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  POM2177  Chorizanthe brevicornu var. brevicornu I. M. Johnston 1917-4-4 s.n. Riverside Near Palm Springs. Comment
  CLARK-A1045-292  Chorizanthe coriacea George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains Bee Canyon Road; chaparral; ; Hemet 15'Q 609 Comment
  RSA715070  Chorizanthe coriacea A. C. Sanders, D. Malueg 2003-5-8 26576 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
  UCR174117  Chorizanthe coriacea A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32615 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
  JOTR36428  Chorizanthe corrugata La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3401 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  UCR163922  Chorizanthe corrugata A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29132 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UC597640  Chorizanthe fimbriata var. laciniata Philip A. Munz 1937-5-31 15116 Riverside at head Coyote Canyon (below Anza Tablet, sw Riverside County); head Coyote Canyon below Anza Tablet 1005 Comment
  UCR217527  Chorizanthe leptotheca Jeff B. Galvin 2010-6-8 135 Riverside Perris-Aguanga Basin, Temescal Canyon between Hwy I-15 and Temescal Canyon Road, south of the west end of Lee Lake 342 Comment
  UCR22112  Chorizanthe leptotheca Steve Boyd 1980-5-15 276 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  UCR35075  Chorizanthe leptotheca L. B. Ziegler 1966-7-5 51 Riverside San Jacinto, Dry slopes and disturbed soil near Hemet Lake 1372 Comment
  UCR98221  Chorizanthe leptotheca B. G. Pitzer, Stu Hemstreet 1992-5-21 1941 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
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Dec 28 2009
  UCR87624  Chorizanthe parryi var. parryi A. C. Sanders 1994-5-30 14609 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCR252817  Chorizanthe procumbens John Dvorak 2011-4-21 015 Riverside Peninsular Ranges: Santa Ana Mountains, Santa Margarita Ecological Reserve, 150 meters east of the Santa Margarita River, 1.7 km west of Via Tornado, 145 meters southwest from end of dirt road 268 Comment
  UCR217499  Chorizanthe procumbens var. albiflora Lee A. Ripma, Jeff B. Galvin 2008-5-21 99 Riverside Palomar Mtns, Agua Tibia, west of Woodchuck Rd., east of Pechanga Indian Reservation 792 Comment
  UCR217517  Chorizanthe procumbens var. albiflora Lee A. Ripma 2008-5-7 93 Riverside Santa Ana Mtns, San Mateo Canyon, 1.3km northwest of Wildomar Rd, west of Tenaja trail 661 Comment
  RSA27503  Chorizanthe rigida I. L. Wiggins 1941-3-24 s.n. Riverside East side of Salton Sea, 1 mile north of Imperial Co. Line Comment
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May 3 2014
  UCR213545  Chorizanthe staticoides Michael Honer 2003-7-15 1847 Riverside Peninsular Range; Santa Ana Mtns., Rainbow area, just north of the San Diego Co. boundary and west of the I-15 Freeway 518 Comment
  POM97997  Chorizanthe xanti var. leucotheca E. C. Jaeger 1926-4-15 s.n. Riverside Mission Creek Wash Comment
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Nov 5 2011
  CAS-BOT-BC36264  Chrysolepis sempervirens Carl B. Wolf 1932-8-5 3987 Riverside San Jacinto Mts., along trail from Tahquitz Valley to San Jacinto Peak, between 1st and 2nd wet meadow 2743 Comment
  CLARK-A1528-5224  Chrysopsis villosa var. fastigiata John C. Roos 1949-9-17 4657 Riverside Whitewater Wash Comment
  CLARK-A1656-609  Chrysothamnus paniculatus Lois Ann Scott 1978-1-21 Riverside Desert Hot Springs Comment
  RSA38715  Chrysothamnus paniculatus P. A. Munz 1946-10-20 11585 Riverside Cottonwood Springs, Joshua Tree National Monument. 1067 Comment
  GMDRC9800  Chylismia brevipes subsp. brevipes J. M. Andre 2017-3-1 38009 Riverside Eagle Mountains: south end of range, 2.8 mi. north of Interstate 10 at Hayfield Rd exit 506 Comment
  UC218268  Chylismia cardiophylla subsp. cardiophylla P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4785 Riverside vicinity of Corn Springs Colorado Desert, Chuckwalla Mountains 457 Comment
  CAS-BOT-BC160586  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-1-24 11437 Riverside On desert alluvial fan of Fargo Canyon Comment
  CAS-BOT-BC160589  Chylismia claviformis subsp. aurantiaca Carl B. Wolf 1932-4-27 3032 Riverside Colorado Desert. Mecca - Blythe Road. 3/4 mi. West of Utopia 152 Comment
  SEINET5344366  Chylismia claviformis subsp. claviformis N. H. Holmgren, P. K. Holmgren 1974-3-23 7470 Riverside Box Canyon wash, 11.4 (9 airline) miles east-northeast of Mecca. 244 Comment
  UCR202002  Cirsium occidentale var. californicum Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR49457  Cirsium occidentale var. californicum A. C. Sanders, B. Pitzer 1987-4-21 7048 Riverside Box Springs Mountains, near southernmost radio towers. 793 Comment
  UCR20812  Cirsium scariosum A. C. Sanders, Steve Boyd 1980-5-19 01498 Riverside San Jacinto Mtns, Garner Valley. Morris Ranch Road near Kenworthy Ranger Station. 1387 Comment
  CAS-BOT-BC438665  Cistanthe ambigua Aven Nelson; Ruth Nelson 1939-3-29 3326 Riverside Near the Palm grove, at Hidden Springs, on the Mecca road Comment
  RSA525354  Clarkia epilobioides Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4451 A Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  UCR161030  Clarkia epilobioides D. E. Bramlet 1991-5-1 2104 Riverside Wilson Valley 671 Comment
  UCR256755  Clarkia purpurea T. B. Salvato, Matthew Malle 2013-4-15 7544 Riverside Gavilan Hills, dirt SCE powerline access road east of Lake Street and northwest of Hilltop Drive. 0.83 mi north-northeast of the junction of Lake Street and Hwy I-15 478 Comment
  RSA764128  Clarkia purpurea subsp. quadrivulnera L. M. Prince, Duncan S. Bell 2009-6-17 573 Riverside Cleveland National Forest Comment
  UC69181  Clarkia purpurea subsp. quadrivulnera H. M. Hall June 1905 6240 Riverside Box Springs Mt. vicinity of Riverside (e base); Box Springs Mt., vicinity of Riverside 609 Comment
  UCR213902  Claytonia parviflora Scott D. White, Justin M. Wood 2009-5-22 12905 Riverside San Jacinto Mountains, Idyllwild area, 'Strawberry Fuelbreak' between Strawberry Creek and road to sewage ponds 1456 Comment
  POM13461  Claytonia parviflora subsp. viridis P. A. Munz 1922-5-19 5394 Riverside Keen Camp, San Jacinto Mountains. 1463 Comment
  SD152773  Clematis lasiantha Steve Boyd, T. Ross, O. Mistretta 1992-3-31 6758 Riverside Santa Ana Mountains, San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring 671 Comment
  UCR154608  Clematis lasiantha A. C. Sanders, Mike Misenhelter 2005-6-15 31002 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  CAS-BOT-BC92822  Clematis pauciflora Frank W. Peirson 1921-3-22 2372 Riverside Murray Canyon. 426 Comment
  SEINET10420078  Coldenia brevicalyx N. Dunn, A. M. Martin 1932-3-26 Riverside Coachella. Comment
  RSA0117436  Collinsia concolor Scott D. White 1995-3-30 2649 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr., (USGS Sunnymead 7 1/2' quad shows ''Moreno'' BM 2067 at top of hill) 579 Comment
  RSA359865  Collinsia concolor Steve D. Boyd 1986-4-2 1616 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UC1979562  Collinsia heterophylla Darin L. Banks, Steve Boyd 1995-5-9 384 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  UC52439  Collomia grandiflora Miss Ella Foster 1897-5-12 530 Riverside N. Fork S. Jacinto River San Jacinto Mt. Comment
  UCR130846  Conium maculatum S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  OBI37480  Convolvulus arvensis Steve Boyd 1985-7-23 1003 Riverside 5.2 mi W of Rancho Calif on De Luz Rd 396 Comment
  RSA0106274  Convolvulus arvensis Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  RSA543137  Convolvulus simulans Steve Boyd, Timothy S. Ross, Hammitt 1991-5-2 6126 Riverside Vail Lake region, summit of Oak Mountain, N of lake near Henderson benchmark. 823 Comment
  RSA588187  Conyza bonariensis D. L. Banks, Victor Steinmann 1995-7-10 0752 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. In major drainage that flows off NW flank of Wildhorse Peak. 610 Comment
  UCR176669  Conyza bonariensis G. S. Nuessly 1980-10-19 s.n. Riverside Moreno Valley, U.C. Riverside, Moreno Field Station, east of Lasselle St. 457 Comment
  UCR177634  Cordylanthus rigidus John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  UC1608210  Cordylanthus rigidus subsp. setiger Steve Boyd and Tim Ross 1992-6-10 7644 Riverside about Potrero Escondido (...area of low relief topping ridge system due w of jct of Tenaja Rd (7S01) and Los Alamos Rd (7S04) at the confluence of Los Alamos Cr w/San Mateo Cr.); Southern Santa Ana Mts., San Mateo Canyon Wilderness Area, S 670 Comment
  UC729816  Cordylanthus rigidus subsp. setiger Carl B. Wolf 1932-8-4 3917 Riverside near Idyllwild; San Jacinto Mts., Point View 1645 Comment
  UCSC000860  Cordylanthus rigidus subsp. setiger E. P. Unangst 2006-9-9 s.n. Riverside Hall Canyon, San Jacinto Mts. Comment
  POM6545  Coreopsis californica P. A. Munz, L. T. Street, G. Williams 1919-3-28 2362 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  RSA761325  Corethrogyne filaginifolia Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 683 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCSB6470  Corethrogyne filaginifolia Kamb, Peter 1948-10-21 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  UCR35134  Cornus glabrata L. B. Ziegler 1968-6-10 317 Riverside San Jacinto Mtns, Hemet (Garner) Valley 1433 Comment
  POM13566A  Crassula aquatica P. A. Munz 1922-9-6 6381 -A Riverside Hidden Lake, San Jacinto Mountains. 2637 Comment
  CAS-BOT-BC427775  Crassula connata C. L. Hitchcock 1966-3-15 24149 Riverside 1 mi. e. of Glen Ivy Hot Springs Comment
  RSA678342  Crassula connata Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10479 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR126976  Crassula connata A. C. Sanders, T. B. Salvato 2003-5-9 26588 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  UCR91551  Crassula connata A. C. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay, C. L. Sanders 1995-2-12 15920 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fan below the Little San Bernardino Mtns., Fargo Canyon Road, 1.35 mi. east of Dillon Road 98 Comment
  RSA701544  Crassula tillaea Steve Boyd, Aydee Virgen 2004-4-13 10844 Riverside Elsinore Peak area, along trail heading from road up to communications towers towards ''Onion Hill'' to the southeast. 994 Comment
  CAS-BOT-BC226939  Cressa truxillensis A. C. Sanders; John F. Green 2012-5-27 40204 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  RSA21380  Crossosoma bigelovii C. B. Wolf 1937-5-4 2785 Riverside Colorado Desert, Little San Bernardino Mts, Morongo Wash, 1 miles below San Bernardino County line. 610 Comment
  RSA397723  Crossosoma bigelovii Robert Gustafson 1980-5-5 1565 Riverside Whitewater Canyon Road, 1.8 miles from the junction with Interstate 10. 610 Comment
  UCR25850  Crossosoma bigelovii John C. Roos 1949-4-2 4127 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Canyon Comment
  UCSB3800  Crossosoma bigelovii Atsatt, Pete 1958-3-21 Riverside Whitewater Canyon, 1.5 miles north of White Water town Comment
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Nov 19 2014
  RSA341996  Croton californicus R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54120 Riverside San Bernardino Mts: Sandy beach along Whitewater River, E of bridge and levee and below W-facing bluff 412 Comment
  RSA780241  Croton californicus Stephanie Rockwood, Christi Gabriel 2011-10-12 098 Riverside Rice Valley. Highway 62 to to Blythe Rice Road. About 1 mile from highway. 229 Comment
  SD27955  Croton californicus Carl B. Wolf 1932-4-26 2966 Riverside Colorado Desert; 3.0 miles east of Mecca on Blythe Road. Comment
  UC1130371  Croton californicus H. S. Yates 1936-4-7 5430 Riverside 10 mi e Whitewater; San Jacinto Quadrangle Comment
  UCR245236  Croton californicus Jim Andre 2012-3-19 21343 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley along unnamed dirt road 0.3 mi. N. of Hwy 177, 5.7 mi. NE of junction with I-10 freeway 157 Comment
  UCR169389  Cryptantha T. B. Salvato, John F. Green 2004-5-27 612 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
  SD39166  Cryptantha angustifolia Edith A. Purer 1935-4-21 6457 Riverside Near Palm Springs Comment
  UC517552  Cryptantha angustifolia John Thomas Howell 1928-3-11 3437 Riverside 6 mi se Garnet Station; Colorado Desert 152 Comment
  UCR214697  Cryptantha angustifolia A. C. Sanders, Richard Dwerlkotte 2010-3-22 37517 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  SEINET10455849  Cryptantha angustifolia David B. Dunn 1946-2-22 Dunn 1959 Riverside Collected in mud flats dry, caked and split. All American Canal catch basin from desert washes. Oracopia Mts. NE of the Saltan Sea. Very arid country. Comment
  UCR242120  Cryptantha barbigera Jim Andre 2011-2-9 15915 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCR41595  Cryptantha barbigera A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6116 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  SEINET10455562  Cryptantha barbigera A. K. Evans 1976-4-13 Evans 5186 Riverside Rocky slopes of Santa Rosa mountains. Comment
  UCR18177  Cryptantha barbigera var. fergusoniae A. C. Sanders 1979-3-9 00177 Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns, Deep Canyon Reserve south of Palm Desert, along the jeep road just above the Research Center 396 Comment
  RSA0020314  Cryptantha circumscissa D. C. Pearson, W. E. Sawyer 1982-4-24 s.n. Riverside ~1mi So. I-10. Comment
  UCR132647  Cryptantha corollata D. C. Hawks 1988-4-2 s.n. Riverside Peninsular Range, Tule Creek drainage, 1.75 mi. (airline) NE of Aguanga, SE of intersection of Dove Dr. and Sycamore Falls, south of Hwy 371, between Aguanga and Anza 945 Comment
  RSA0079100  Cryptantha cycloptera Steve Boyd, Orlando Mistretta 1986-3-13 1449 Riverside West side Palen Mts.: NE of Desert Center. Comment
  SDSU18645  Cryptantha decipiens Michael G. Simpson, Kristen Hasenstab 2008-4-1 2940 Riverside Joshua Tree National Park, east side of Mastodon Peak, ca. 0.65 mile east-southeast of Cottonwood Spring. 1027 Comment
  UCR41545  Cryptantha decipiens A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6086 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR157662  Cryptantha dumetorum A. C. Sanders, K. C. Rose 1995-4-5 16384 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR15457  Cryptantha holoptera George K. Helmkamp 1977-3-12 s.n. Riverside Sonoran (Colorado) Desert, Deep Canyon at the bottom of the main wash near marker 40. South of Palm Desert 305 Comment
  POM368278  Cryptantha intermedia Christopher Davidson 1973-4-1 1812 Riverside Agua Tibia Mountains. Highway 71/79 approximately 7 miles from junction of US 395 South. 412 Comment
  RSA495466  Cryptantha intermedia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2997 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA628464  Cryptantha intermedia A. C. Sanders 1994-5-29 14547 Riverside San Bernardino Mountains: Morongo Indian Reservation, among hills on the low pass between Millard Cyn. and Potrero Cr. 750 Comment
  RSA792745  Cryptantha intermedia R. F. Thorne 1995-3-29 63031 Riverside White Water Canyon 600 Comment
  SBBG89123  Cryptantha intermedia D. Hawks 1988-4-2 Riverside Tule Crk drainage, 1.75 air mi NE of Aguanga, SE of intersection of Dove and Sycamore streets, S of Hwy 371 762 Comment
  UC1178549  Cryptantha intermedia Peter Kamb 1948-5-2 927 Riverside above Banning (n slopes of the San Jacinto Mts.); San Jacinto Mts. 1066 Comment
  UC718550  Cryptantha intermedia Carl B. Wolf 1935-4-7 Riverside 2 mi sw Perris; Gavilan Hills Region 426 Comment
  UCR136268  Cryptantha intermedia A. C. Sanders 2004-4-20 27545 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
  UCR250557  Cryptantha intermedia A. C. Sanders 2014-4-9 41002 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.4 km south of El Hermano Rd., NW of Corona (Lee) Lake 331 Comment
  UCR59504  Cryptantha intermedia Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3241 Riverside Peninsular Range, Vail Lake area, sandy valley at NE end of lake, north of Wilson Creek 488 Comment
  UCSB38649  Cryptantha intermedia Cowan, Clark 1978-4-24 Riverside 19.6 mi. (31.3 km.) S on 74 from jct. w/ Hwy. 111 at Indian Wells Sta. Rosa Rd., 1 mi. (1.6 km.) S. of 74 Comment
  RSA0026297  Cryptantha intermedia John F. Emmel 1991-4-28 1167 Riverside Lakeview Mts. WNW of Hemet; slope 0.1 air mile south and 016 [1.6?] air mile west of intersection of Warren Road and Esplanade Ave. 518 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
  POM287673  Cryptantha maritima Lyman Benson 1933-3-31 s.n. Riverside Salton Sea-Imperial Co. line. 61 Comment
  UC100916  Cryptantha maritima E. Schellenger 1905-3-10 Riverside Palo Verde Valley Comment
  UCR279596  Cryptantha maritima var. pilosa A. C. Sanders, Jim Malusa 2017-3-28 43163 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
  UCR52018  Cryptantha maritima var. pilosa Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2179 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UCR142179  Cryptantha microstachys June Latting 1979-5-4 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 Comment
  UC1095301  Cryptantha muricata Peter H. Raven with R. Snow 1957-7-26 11093 Riverside 0.9 mi n Vista Grande Ranger Station (Banning to Idyllwild road); San Jacinto Mountains Comment
  RSA0079246  Cryptantha muricata var. jonesii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3162 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA0124818  Cryptantha nevadensis var. nevadensis Duncan S. Bell, LeRoy Gross 2016-3-9 8837 Riverside Orocopia Mountains; southern section of range; along the Bradshaw Trail, approximately 2 air miles southeast of Gucci Spring. 345 Comment
  VVC2474  Cryptantha nevadensis var. nevadensis Tim Thomas 2013-3-18 5933 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  UCR103304  Cryptantha pterocarya var. pterocarya George K. Helmkamp 1998-4-4 3149 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  JOTR35146  Cryptantha racemosa La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3258 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  POM13228  Cryptantha racemosa E. C. Jaeger 1921-03 1117 Riverside Martinez Canyon [I think Martinez Cyn. should be either in the San Jacinto Mtns. region or in the western Colo Des region -- the Martinez Cyn I know of is in the Santa Rosa Mtns. -SDW 2004] Comment
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Feb 18 2013
  UCR25968  Cryptantha racemosa John C. Roos 1948-5-1 3815 Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater, N slope on a mountainside 549 Comment
  UC64404  Cryptantha simulans H. M. Hall 1901-6-1 Riverside Onstatt Valley San Jacinto Mountains 1524 Comment
  JEPS67900  Cryptantha utahensis Marjorie D. Clary 1933-3-25 2073 Riverside Ebbens Creek Wash Colorado Desert, Santa Rosa Mountains 304 Comment
  JOTR35502  Cryptantha utahensis La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3190 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  RSA725434  Cucurbita foetidissima Michael Wall 2007-10-19 437 Riverside San Jacinto Valley, Bautista Creek drainage, on flats along Bautista Rd., between 4.0 - 4.8 miles SE of jct. with Fairview Ave. 671 Comment
  UCR194214  Cucurbita foetidissima Scott D. White, Angelia Carey 2004-6-4 10475 A Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR21518  Cucurbita foetidissima 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
  UCR271362  Cucurbita foetidissima A. C. Sanders, Amy Litt & UCR Pl. Taxonomy Class 2016-5-7 42465 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 canyon south of the lab near old original house site 475 Comment
  POM204501  Cucurbita palmata M. French Gilman 1934-10-3 s.n. Riverside Cabazon. Comment
  UCR124168  Cupressus forbesii June Latting 1978-5-4 s.n. Riverside Santa Ana Mountains, Sierra Peak 929 Comment
  CLARK-A1528-2662  Cupressus stephensonii John C. Roos 1962-5-19 Riverside Loma Linda Comment
  UC23232  Cuscuta californica H. M. Hall Jun 1901 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  UC64606  Cuscuta californica H. M. Hall Jun 1897 Riverside vicinity Riverside Comment
  SBBG119583  Cuscuta californica var. californica R. F. Thorne 1963-7-26 32821 Riverside Trabuco District, Cleveland Nat Forest 304 Comment
  POM78926  Cycloloma atriplicifolium I. M. Johnston 1925-7-1 s.n. Riverside 1 mile W of Wineville on Ontario Road [Mission Blvd.] Comment
Read comments
Jul 25 2009
  UCR120409  Cycloloma atriplicifolium Mitch Provance 1998-5-25 876 Riverside Santa Ana River Wash, Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  UCR19706  Cyclospermum leptophyllum John C. Roos, L. Roos 1953-5-9 5917 Riverside Riverside, Fairmont Park 259 Comment
  RSA0097198  Cylindropuntia echinocarpa Marc A. Baker, Michelle Cloud-Hughes 2015-7-12 18412 Riverside San Gorgonio River, 2.5 km SW of Cabazon, 28 km WNW of central Palm Springs. 538 Comment
  RSA483552  Cynodon dactylon H. de Forest s.n. Riverside E of Coachella Valley. Chino Canyon. Colorado Desert Comment
  SEINET10468127  Cynodon dactylon David B. Dunn 1946-3-15 Dunn 2017 Riverside Collected on dry plateau in vicinity of pushawalla canyon, indio hills. Sparse Desert scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  RSA770779  Cyperus eragrostis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4617 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA500573  Cyperus involucratus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3579 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA365083  Cyperus odoratus Joseph A. Ewan 1931-10-3 5215 Riverside Santa Ana River 4 mi NW of Corona. Comment
  UCR92398  Cyperus parishii F. M. Reed 1907-9-15 1936 Riverside Riverside, Santa Ana River at Chinatown ford 244 Comment
  SEINET13762742 Image available Cyperus rotundus K. E. Hoffmaster 1958-1 s.n. Riverside Indio Comment
  UC489280  Cystopteris fragilis C. V. Meyer 1928-7-26 535 Riverside Deer Springs; San Jacinto Mt 2987 Comment
  SEINET10811894  Dalea J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12865 Riverside South of Joshua Tree National Park and north of the Salton Sea, on unlabelled east-west road (called 66th Avenue in Mecca) between I-10 and Mecca. Comment
  RSA517841  Dalea mollis Steve Boyd, Orlando Mistretta 1986-3-13 1472 Riverside West side Palen Mts.: NE of Desert Center. Comment
  JOTR16699  Dalea mollissima Vanderspek & Youse 1964-4-19 64537 Riverside Joshua Tree National Park. WILSON CANYON 853 Comment
  UCR114118  Dalea mollissima B. G. Pitzer, J. Ross 1998-3-8 3613 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  CAS-BOT-BC283042  Dasyochloa pulchella C. L. Hitchcock 1940-4-1 5907 Riverside 1 mi. below Cottonwood Spring, Joshua Tree Nat. Monument Comment
  UCD65755  Dasyochloa pulchella A. A. Beetle 1942-4-22 3180 Riverside 8 miles east of Indio. Comment
  UCSB491  Dasyochloa pulchella Yokoyama, Howard 1953-3-21 Riverside 11 mi E of Indio Comment
  UCR101803  Datisca glomerata George K. Helmkamp, E. A. Helmkamp 1998-8-17 4440 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  SD229294  Datura wrightii Dick Schwenkmeyer 2013-6-11 909 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  SEINET8465858 Image available Datura wrightii W. P. MacKay 1970-4-18 335 Riverside 1 mile west of Palm Springs along Highway 60. 91 Comment
  UCR16392  Datura wrightii J. R. Sweeten 1965-5-15 017 Riverside San Bernardino Mtns., White Water Canyon Road, about 3 mi from its jct with Hwy 60 549 Comment
  UCR33573  Datura wrightii Sears 1977-10-10 S 516 Riverside Sonoran (Colorado) Desert, 6.1 mi NE of Desert Center on Hwy 177 Comment
  RSA587429  Daucus pusillus D. L. Banks, S. D. Boyd 1995-6-2 573 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, in the clay grasslands in section 32., W of the Dripping Springs Alcove Area. 890 Comment
  UC63696  Daucus pusillus H. M. Hall May 17 1901-Jun 1 1901 1818 Riverside San Jacinto River Canyon Comment
  OBI5733  Deinandra fasciculata C. M. Wilder 2004-6-4 s.n. Riverside Jurupa Hills near Riverside, Wilder's Cyn Comment
  SD134525  Deinandra kelloggii Craig Reiser 1988-6-20 Riverside North Mountain, east of San Jacinto 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
  UC1563109  Deinandra kelloggii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-6-10 3673 Riverside below the dam Temecula Creek Canyon; Vail Lake Area 457 Comment
  RSA736661  Deinandra paniculata Justin M. Wood 2008-7-16 25 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
  CAS-BOT-BC7977  Delphinium parishii subsp. parishii Emmet Rixford 1917-4-17 S.N. Riverside Coachella Valley. Comment
  UCR123823  Delphinium parishii subsp. parishii Steven R. Hill 2001-5-3 33665 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  UCR166149  Delphinium parryi T. B. Salvato, John F. Green 2004-5-27 568 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  SBBG35010  Delphinium parryi subsp. parryi T. L. Secrest 1951-5-18 Riverside San Jacinto, few mi E of Hemet Comment
  RSA747112  Dendromecon Orlando Mistretta 1992-6-10 531 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  RSA433552  Dendromecon rigida subsp. rigida N. C. Cooper 1944-7-15 1599 Riverside Idlewild [Idyllwild], San Jacinto Mountains. 1524 Comment
  UC354445  Descurainia pinnata subsp. glabra Edmund C. Jaeger 1925-12-19 Riverside near Palm Springs (Eagle Canyon); Eagle Canyon 91 Comment
  UCR734  Dicentra ochroleuca Joyce Davis 1965-5-14 62 Riverside Santa Ana Mtns, c. 7 mi. south of Corona, c. 15 ft. above Skyline Drive 518 Comment
  UCR151955  Dichelostemma capitatum Steve Boyd, Aydee Virgen 2004-4-13 10858 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  RSA586152  Dichelostemma capitatum subsp. capitatum Darin L. Banks, Steve Boyd 1995-3-30 114 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
  RSA501060  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3177 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  CLARK-A1528-1796  Dicoria canescens John C. Roos 1957-11-30 6659 Riverside Coachella Valley 152 Comment
  SEINET3004922  Dicoria canescens G. Rink 2010-10-4 10340 -a Riverside Seven miles west of Blythe, sand dunes 152 Comment
  SD243250  Diplachne fusca var. uninervia Mike Lahti 2008-12-12 Riverside Hemet. Bautista Creek Ranches, 45200 Bautista Road, near Fairview Avenue. Comment
  SD139997  Diplacus aurantiacus Scott White 1993-3-15 1188 Riverside Elsinore; Highway 74, just west of NW corner of Lake Elsinore Comment
  SD148060  Diplacus brevipes Andy C. Sanders, T. B. Salvato 2001-5-16 24300 Riverside Perris-Aguanga region: S of Hemet, Ao mi. S of Gibbel Rd. about 1 mile E of State St., east end Diamond Valley, 1 mi. SSE of Hemet Butte, S of mouth of Avery Cyn 518 Comment
  CAS-BOT-BC150682  Diplacus longiflorus H. M. Hall 1901-6-1 2077 Riverside In the vicinity of Chalk Hill 1402 Comment
  CHSC89875  Diplacus puniceus L. P. Janeway 2004-5-8 8066 Riverside Peninsular Ranges. Santa Ana Mountains, Los Alamos Canyon near mouth of Wildhorse Canyon, where Wildomar Road crosses the creek. On steep northwest-facing slope above the road, bottom of the canyon. 421 Comment
  CAS-BOT-BC167207  Diplotaxis muralis O. F. Clarke 2002-5-1 s.n. Riverside Riverside; UCR Botanical Garden 351 Comment
  LA12285  Distichlis spicata F. M. Reed; 1906-4-29 944 Riverside near Santa Ana River 213 Comment
  JEPS3941  Ditaxis claryana Marjorie D. Clary 1933-3-13 Riverside Coral Reef Ranch, Coachella Valley Comment
  LA204864  Ditaxis lanceolata F. M. Scott; 1928-3-24 sn Riverside Painted Canyon, Colorado Desert Comment
  RSA668431  Ditaxis lanceolata S. Granger 1979-4-12 s.n. Riverside Chuckawalla Mountains. 610 Comment
  RSA774309  Ditaxis lanceolata Duncan S. Bell, The Desert Survivors Organization 2011-4-8 2192 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  UCR246845  Ditaxis lanceolata Jim Andre 2012-3-19 21322 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  JOTR29580  Ditaxis neomexicana Andre, Jim 2006-4-6 6693 Riverside Joshua Tree National Park. Wilson Canyon, along Pinto Basin Rd 865 Comment
  JOTR35055  Ditaxis neomexicana La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3507 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  RSA778006  Ditaxis neomexicana J. Andre 2011-2-9 15930 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
  RSA796748  Ditaxis neomexicana J. Andre 2012-4-11 20842 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit. 624 Comment
  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
  UC1595800  Dithyrea californica W. Wisura, J. Dolan, and M. Wall 1992-3-25 4652 Riverside 2.7 mi s prison on Wileys Well Rd. Comment
  UCR85252  Dithyrea californica A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16186 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  RSA783371  Dodecatheon alpinum J. D. Olmsted 1959-7-7 753 Riverside Northern extension of Skunk Cabbage Meadow; 4.5 miles east of Idyllwild 2424 Comment
  UCSB22039  Dodecatheon alpinum Head, W. 1966-5-14 Riverside 0.5 mi. off of Long Valley Trail in Skunk Cabbage Meadow, San Jacinto Mountains. 2499 Comment
  POM19640  Dodecatheon alpinum subsp. majus Mary F. Spencer 1923-7-16 s.n. Riverside Round Valley. 2744 Comment
  UC1929719  Dodecatheon clevelandii Scott D. White 2003-3-21 8809 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  UCR222311  Downingia bella R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55200 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
  RSA336206  Downingia cuspidata R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51992 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  UCR23127  Draba corrugata J. C. Lyman 1981-5-28 s.n. Riverside San Jacinto Mtns., gully behind Tahquitz Peak Comment
  UC219103  Draba corrugata var. saxosa P. A. Munz 1922-7-7 6043 Riverside summit San Jacinto Peak San Jacinto Mts., summit San Jacinto Peak 3285 Comment
  UCR20811  Draba cuneifolia A. C. Sanders, Steve Boyd 1980-4-17 1344 Riverside San Jacinto Mtns, Pine Meadow in upper Garner Valley 1433 Comment
  POM47685  Draba cuneifolia var. integrifolia Mary F. Spencer 1920-3-18 1477 Riverside Near Palm Springs 152 Comment
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Nov 19 2011
  UC1606622  Drymocallis glandulosa Steve Boyd and Tim Ross 1992-5-5 7249 Riverside grassland area s Oak Flats (sw of Bluewater Trail, San Mateo Canyon Wilderness Area); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 731 Comment
  SDSU14177  Dryopteris arguta Kimberly S Miller, Dr. M. G. Simpson, Derek T Miller 2002-3-17 8 Riverside Santa Margarita Ecological Reserve. Up Santa Margarita River along east side of canyon from where Tornado road crosses. Comment
  UCR178349  Dryopteris arguta Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1056 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UCSB2520  Dudleya cymosa Gray, Caroline 1956-4-13 Riverside In White Water Canyon; near White Water Comment
  RSA192304  Dudleya edulis H. A. Zuill 1966-6-5 206 Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
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Feb 12 2013
  RSA653406  Dudleya lanceolata Mitch Provance 1998-5-24 532 A Riverside Belltown area, ''Belltown Hill'', small knoll near the E corner of Agua Mansa Rd. and Crestmore Rd./ Market St. 280 Comment
  RSA680519  Dudleya lanceolata Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8634 -B Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  SD68965  Dudleya lanceolata Robert F. Thorne, P. A. Munz and E. Lathrop 1968-5-8 37591 Riverside Santa Rosa Plateau: among boulders on dry slope at south end of dam and east end of vernal marsh on Mesa de Colorado, Rancho California. 669 Comment
  RSA562430  Dudleya multicaulis D. E. Bramlet 1993-5-5 2338 Riverside Tributary to Olsen Cyn., some 76 m. S of the Cyn. and 90 m E of the existing dirt road. The site is approx 213m NE of the existing El Sobrante landfill. 375 Comment
  POM310970  Dudleya saxosa subsp. aloides Reid V. Moran 1947-5-10 2181 Riverside Palms to Pines Highway 1 mi east of Santa Rosa Summit 1372 Comment
  UCR272826  Dudleya saxosa subsp. aloides Mitch Provance, Justin E. Smith 2015-7-22 715- 01 Riverside San Jacinto Mountains, Stone Creek, about 0.6 mi. WSW of Alhatti Christian Resort and Hwy 243 1601 Comment
  CAS-BOT-BC56757  Echinocereus engelmannii subsp. engelmannii D. A. Johansen; J. A. Ewan 1932-4-10 7060 Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA0125620  Echinocereus engelmannii var. engelmannii Marjorie Shaw 1916-03 s.n. Riverside Palm Springs Comment
  RSA0125621  Echinocereus engelmannii var. engelmannii G. Ross Robertson s.n. Riverside Palm Springs, Colorado Desert. Comment
  CLARK-A1656-850  Echinochloa colona Jon Mark Stewart 1983-11-6 83-56 Riverside Palm Desert 60 Comment
  RSA741558  Echinochloa colona Justin M. Wood 2008-9-30 174 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  SACT001024  Echinochloa colona Malcolm Nobs, S. Smith 1948-9-3 Riverside 2 miles north of Indio. Bases of stems procumbent, rooting at nodes. Dense shade. Abundant. Comment
  UCR201875  Echinochloa oryzicola Justin M. Wood 2008-9-22 157 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  CAS-BOT-BC112744  Eleocharis geniculata A. C. Sanders; P. MacKay; G. Helmkamp; J. Stewart; C. L. Sanders 1994-12-1 15888 Riverside Colorado Desert, Salton Sink: Dos Palmas Spring and immediate vicinity. -30 Comment
  UCR125472  Eleocharis geniculata A. C. Sanders, P. J. MacKay, D. L. Sanders 2003-2-9 25686 Riverside Sonoran (Colorado) Desert, Coachella Valley, 84th Ave. east of Johnson St., near west edge of Salton Sea -67 Comment
  JOTR34102  Eleocharis macrostachya La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2608 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
  SD133249  Eleocharis macrostachya A. C. Sanders, E. Rey, et al 1991-4-19 10925 Riverside Edgemont area; east of Sycamore Canyon; 0.8 miles west of Highway I-215 on East Ridge Dive (=Eucalyptus); just west of Pepsi Plant; gently rolling plain. 466 Comment
  RSA192308  Eleocharis montevidensis var. montevidensis E. W. Lathrop 1960-6-15 5014 Riverside 14 miles west of Murrieta Comment
  UCR130512  Eleocharis obtusa var. engelmannii R. E. Riefner Jr. 2001-12-16 01- 775 Riverside Perris-Aguanga Region, Paloma Valley; near Antelope Rd. and Garboni Rd. 450 Comment
  CAS-BOT-BC113301  Eleocharis parishii John Thomas Howell 1927-8-1 2878 Riverside Wet ground on Mission Creek T Cross K Ranch, n. Colorado Desert. 609 Comment
  SBBG119911  Eleocharis parishii A. C. Sanders with O. F. Clarke 1991-6-10 11126 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  SDSU14006  Eleocharis parishii Jonathan S. Austin, Michael G. Simpson 2002-4-20 21 Riverside Near parking area off Tornado road adjacent to riparian area north of Santa Margarita river, Santa Margarita Ecological Reserve. 233 Comment
  UCR199635  Eleocharis parishii Scott D. White, J. Campbell 2008-4-18 11894 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. 'Morgan' Property, Alberhill area 366 Comment
  UCR2751  Elymus elymoides F. M. Reed 1908-7-11 2497 Riverside San Jacinto Mtns, San Jacinto Mtns Comment
  UCR96426  Elymus elymoides Scott D. White 1996-8-1 4404 A Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  SEINET251712  Elymus glaucus Unknown 2004-5-27 646 Riverside San Bernadino Mountains; Head of Banning (San Gorgonio River) Canyon close to the San Bernadino Co. line, 0.5 mi SE of Oak Glen Conservation Camp (Forest Falls 7.5' Q). 1402 Comment
  UCR146200  Elymus glaucus Scott D. White, Sandy Leatherman 2000-5-31 7979 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau: near Squaw Mountain, series of unpaved roads on east and north-facing slopes 823 Comment
  SEINET4208316  Elymus glaucus subsp. glaucus Steve Boyd, Tim Ross 1992-6-10 7641 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about 'Potrero Escondido', an isolated area of low relief topping the ridge system due west of the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek.; 0 671 Comment
  OBI13946  Emmenanthe penduliflora Paul M. Gomez 1966-3-13 31 Riverside S of Cottonwood Mts, N Colorado Desert, 5 mi N of Indio 168 Comment
  SEINET270931  Emmenanthe penduliflora Richard J. Shaw 1958-5-10 1108 Riverside Juniper Flat approximately 7 miles from Palm Desert. 1219 Comment
  UCR104918  Emmenanthe penduliflora A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20651 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
  UCR2854  Emmenanthe penduliflora J. Texera 1970-3-27 4 Riverside Sonoran (Colorado) Desert, c. 3 miles south of town of Palm Desert on dirt road continuation of Portola Avenue, 0.75 mile north of boundary fence of Deep Canyon Desert Research Center 207 Comment
  UCR91411  Emmenanthe penduliflora Scott D. White 1995-4-5 2723 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  RSA781747  Encelia farinosa Duncan S. Bell 2011-12-30 3045 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  SBBG55839  Encelia farinosa J. Caldwell 1970-3-24 18 Riverside Chino Cyn, ca. 2 mi up Tramway Rd off Hwy 111 457 Comment
  SD187348  Encelia farinosa Naomi Fraga, Lisa Rojas 2005-2-10 1374 Riverside Northeastern Colorado Desert: Just north of Palen Pass Road, ca. 10 miles east of Highway 177. 365 Comment
  UC1929638  Encelia farinosa V. Soza, J. M. Porter, G. D. Wallace 2001-4-2 1087 Riverside Transverse Ranges, Little San Bernardino Mountains region; Big Morongo Wash. 473 Comment
  UC895534  Encelia farinosa I. W. Clokey 1935-4-17 6946 Riverside Cottonwood Springs Comment
  UCR167364  Encelia farinosa 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
  POM308648  Encelia farinosa var. farinosa Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3201 Riverside Near Desert Center. Comment
  POM4935  Encelia farinosa var. farinosa L. T. Street, M. Durant 1918-5-12 s.n. Riverside Box Springs. Comment
  RSA525426  Encelia farinosa var. farinosa Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4534 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  JOTR35369  Encelia frutescens Harding, Mitzi, M. Wheeler 2011-1-26 153 Riverside Joshua Tree National Park. Pinto Basin, where Chuckwalla Valley meets Pinto Wash, between NE Eagle Mountains and W Coxcomb Mountains along dirt road (STOP1) 267 Comment
  NY70784  Ephedra aspera C. L. Hitchcock 1966-3-16 24204 Riverside Along Palms to Pines Highway, 7 miles south of Palm Desert Comment
  RSA25346  Ephedra aspera C. L. Hitchcock 1940-3-29 5868 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  UC813669  Ephedra aspera I. W. Clokey 1935-4-17 6514 Riverside Cottonwood Springs Comment
  POM303741  Ephedra californica Lyman Benson 1946-4-15 12040 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  RSA650254  Ephedra californica Donald W. Harshberger 1949-2-6 s.n. Riverside 10 miles NE of Palm Springs, on Lazy B Ranch, at sea level 0 Comment
  SD55  Ephedra californica Ruth B. Randall 1926-2-22 277 Riverside Cabazon near Whitewater 760 Comment
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Mar 13 2011
  SEINET269422  Ephedra californica G. Helmkamp 1994-3-8 41 -6 Riverside Indio Hills. southwest facing slope at the junction of Palm Drive and Varner Road below Edom Hill 300 Comment
  SEINET10834110  Ephedra californica David B. Dunn 1946-2-22 Dunn 1953 -A Riverside Collected on N side of Whitewater Canyon in Colorado Desert. Comment
  JOTR00968  Ephedra viridis Cole, James E. 1941-4-10 509 Riverside Joshua Tree National Park. TWIN TANKS 1158 Comment
  UC217983  Epilobium campestre P. A. Munz and I. M. Johnston 1922-5-21 5542 Riverside near Moreno; Mystic Lake 457 Comment
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Mar 20 2011
  RSA588601  Epilobium canum subsp. canum D. L. Banks, Steve D. Boyd 1995-10-17 812 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  UCR138606  Epilobium canum subsp. canum D. L. Banks 1996-11-7 1197 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, at the spring on the N fork of Pechanga Creek at the E end of the Reservation 494 Comment
  CAS-BOT-BC171749  Epilobium canum subsp. latifolium Philip A. Munz 1946-10-21 11587 Riverside Live Oak Tank, Joshua Tree National Monument 1219 Comment
  JOTR32640  Epilobium canum subsp. latifolium La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2561 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (Stop 3) 1362 Comment
  SBBG92149  Epilobium ciliatum subsp. ciliatum J. Hirshberg 1989-7-25 Riverside marsh near SW edge of Vail Lake Comment
  RSA388408  Epilobium densiflorum Robert F. Thorne, Steve D. Boyd, E. W. Lathrop 1985-7-18 61170 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 534 Comment
  UC64473  Epilobium densiflorum H. M. Hall June 1901 2292 Riverside vicinity of Strawberry Valley San Jacinto Mountains (along water courses) 1600 Comment
  UC454597  Epilobium oregonense I. J. Condit 1910-6-21 Riverside Tahquitz camp San Jacinto Mts (in meadow) 2438 Comment
  POM122779  Epipactis gigantea Marcus E. Jones 1926-6-20 s.n. Riverside Near Banning. Comment
  POM312132  Epipactis gigantea N. C. Cooper 1944-4-8 1062 Riverside Andreas Canyon. 366 Comment
  RSA381718  Epipactis gigantea Burton 1908-5-30 s.n. Riverside Riverside. Comment
  RSA381724  Epipactis gigantea Burton 1911-5-24 s.n. Riverside Riverside. Comment
  SBBG28899  Epipactis gigantea N. C. Cooper 1944-4-8 1062 Riverside Andreas Cyn 365 Comment
  UCR19156  Epipactis gigantea John C. Roos 1948-5-15 3838 Riverside Sonoran (Colorado) Desert, Eagle Mtns., Lost Palms Canyon Comment
  UCR207988  Epipactis gigantea Mrs. Burton 1908-5-30 s.n. Riverside Peninsular Range/San Bernardino Valley, Riverside Comment
  JEPS60134  Equisetum laevigatum Carl V. Meyer 1928-7-30 593 Riverside Saunder's Meadow; San Jacinto Mts. Comment
  RSA34529  Equisetum laevigatum Norman C. Cooper 1944-4-8 1054 Riverside Andreas Canyon 305 Comment
  UCR18157  Eragrostis barrelieri A. C. Sanders 1978-3-11 585 Riverside Sonoran (Colorado) Desert, Coachella Valley, Indio area, along Washington Street, just south of its intersection with Hwy 111 30 Comment
  UCR97253  Eragrostis mexicana Scott D. White 1996-9-22 4535 B Riverside Perris Basin, Perris: Nuevo Road, just east of San Jacinto River crossing 435 Comment
  CAS-BOT-BC204634  Eragrostis mexicana subsp. virescens H. S. Yates 1937-6-28 6744 Riverside Near Indio 30 Comment
  RSA432714  Eremalche rotundifolia N. C. Cooper 1949-4-8 3233 Riverside Mecca Pass east of Indio 457 Comment
  RSA432718  Eremalche rotundifolia E. C. Jaeger 1922-4-7 811 Riverside Chucawalla Bench, Colorado Desert. 259 Comment
  SBBG99225  Eremalche rotundifolia W. L. Halvorson 1977-3-8 77 -79 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UCR148462  Eremalche rotundifolia 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
  RSA58864  Eremogone ferrisiae P. A. Munz, Percy C. Everett 1950-6-23 14917 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains. 1402 Comment
  RSA658704  Eremogone ferrisiae J. C. Roos 1965-7-22 s.n. Riverside Thomas Valley, San Jacinto Mtns. Comment
  RSA0025895  Eremothera refracta Jim Andre 2013-3-4 23863 Riverside Sandy bluffs overlooking Colorado River, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point. 96 Comment
  RSA0105505  Eriastrum densifolium subsp. austromontanum Christopher Davidson 1978-6-15 7381 Riverside Santa Rosa Mts. Road from Hwy 74 to Sta Rosa Mt., ca. 2 mi W of junction to Sta Rosa Spgs Campground. 2087 Comment
  CAS-BOT-BC514311  Eriastrum densifolium subsp. austromontanum C. Epling; Wm. Robison 1933-6-25 s.n. Riverside Little San Bernardino Mountains: Black Rock near Warren's Well 1371 Comment
  UC1787318  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-5-29 123 Riverside San Jacinto Mountains: Old Banning-Idyllwild Road, 0.4 km south of junction with Hwy 243 (the new road to Idyllwild), roadcut along both sides of road 682 Comment
  RSA0119713  Eriastrum diffusum subsp. coachellae Verne Grant, Alva Grant 1950-4-9 8836 Riverside Canyon in pass betw. Whitewater and Morongo Valley, 0.4 miles S. of San Bernardino County line. 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
  UC901712  Eriastrum eremicum subsp. eremicum Alice Eastwood 1913-4-30 2984 Riverside Palm Springs Comment
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Aug 27 2011
  CAS-BOT-BC514473  Eriastrum eremicum subsp. eremicum Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  RSA0120087  Eriastrum eremicum subsp. eremicum N. C. Cooper 1944-5-20 2643 Riverside Palm Springs. 137 Comment
  SEINET4565924  Eriastrum harwoodii Duncan S. Bell 2010-4-2 682 Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; approximately 3 miles northwest of Priest Well; collecting along a sandy slope above the main western drainage for the Arica mountains.; 0 464 Comment
  RSA0123311  Eriastrum sapphirinum Naomi Fraga, Duncan S. Bell 2009-5-6 2709 Riverside Arroyo seco SE of Dripping Springs Campground and Fire Station. 488 Comment
  RSA0043247  Eriastrum sapphirinum subsp. dasyanthum Duncan S. Bell, J. D. England 2010-5-27 1124 Riverside San Bernardino National Forest: Rouse Ridge, approximately 0.8 air mile southeast of junction of Highway 74 and forest service road 5S15. 768 Comment
  RSA0121588  Eriastrum sapphirinum subsp. dasyanthum A. C. Sanders, T. B. Salvato 2000-5-25 23398 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  UCR261867  Eriastrum sapphirinum subsp. dasyanthum Tim Thomas, J. Vollmar 2014-5-9 6307 Riverside Banning Pass; San Gorgonio River channel on south side of I-10 627 Comment
  CAS-BOT-BC123853  Eriastrum sapphirinum subsp. sapphirinum Blanche Trask 1903-11-1 s.n. Riverside San Jacinto Mountains Comment
  RSA0122968  Eriastrum sapphirinum subsp. sapphirinum Scott D. White 2000-8-5 8111 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  CAS-BOT-BC172852  Ericameria brachylepis A. C. Sanders 2004-7-1 28372 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, just off Wickard Rd. ca. 1 mile east of the Menifee-Antelope Community Hall, 5 miles due south of Sun City 476 Comment
  RSA0095204  Ericameria cuneata var. spathulata Duncan S. Bell 2015-9-30 s.n. Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  JOTR31004  Ericameria linearifolia La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1287 Riverside Joshua Tree National Park. Stop 4: Hexie Mountains, Blue Cut Gorge, canyon with sandy bottom and steep rocky walls Comment
  RSA725934  Ericameria linearifolia R. E. Riefner 2006-3-4 06 -48 Riverside Near Anza, c. 1.5 mi. west from Pine Meadow on Hwy 74 and 1.5 mi. NW from Hamilton Creek 1320 Comment
  RSA783438  Ericameria nauseosa J. D. Olmsted 1959-9-23 1018 Riverside 4 miles S of Hemet Lake on Hwy. 74, San Jacinto Mts. 1387 Comment
  RSA602647  Ericameria nauseosa var. bernardina Scott D. White 1996-8-16 4488 Riverside Idyllwild area: SW of Pine Cove and W of Bear Trap Canyon, in watershed above Alvin Meadows (tributary to Toll Rd. Canyon). 1707 Comment
  JOTR33673  Ericameria nauseosa var. mohavensis La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 2663 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  CAS-BOT-BC299541  Ericameria paniculata Frank W. Peirson 1922-12-26 3331 Riverside Cabazon old road, Colorado Desert Comment
  UC699656  Ericameria teretifolia Kay H. Beach 1942-10-23 1696 Riverside at a point about .5 mi n National Forest Boundary (.75 mi nw of highway, steep bank below Dos Palmas Spring); Dos Palmas Spring Comment
  RSA674953  Erigeron foliosus Scott D. White, Teresa B. Salvato 2001-6-8 8567 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  RSA289176  Eriodictyon crassifolium C. W. Tilforth, Walter Wisura 1981-8-10 2113 Riverside Along red Mtn. Rd. E of Hwy R3, S of Hemet, Riverside County. Comment
  UC1979591  Eriodictyon crassifolium var. crassifolium D. L Banks, Steve Boyd 1995-3-30 0127 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, on the Woodchuck Trail. Comment
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Nov 18 2015
  RSA455092  Eriodictyon trichocalyx H. de Forest, Jack Rempel 1934-4-14 14 Riverside San Gorgonio Pass. 602 Comment
  RSA783129  Eriogonum J. D. Olmsted 1959-11-8 1083 Riverside Fish Fork between sixth and seventh falls 1418 Comment
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Jun 8 2013
  JOTR32457  Eriogonum angulosum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2603 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail, near trailhead; Sandy wash and open flats among boulder outcrops (Stop 2) 1298 Comment
  CAS-BOT-BC33641  Eriogonum apiculatum Ralph E. Hoffmann 1929-9-8 s.n. Riverside San Jacinto Mt. 2133 Comment
  SD155432  Eriogonum apiculatum Craig Reiser 2002-5-27 Riverside Santa Rosa Peak, above east-west primary fire road, below peak. Comment
  SEINET5328305  Eriogonum apiculatum J. L. Reveal, Barbara J. Ertter 1976-6-30 4569 Riverside Santa Rosa Mtns, along the dirt road to Santa Rosa Mtn. at Stump Spring Camp, about 13.5 mi SE of California Hwy 74, 2316 Comment
  CAS-BOT-BC242760  Eriogonum davidsonii P. A. Munz; E. K. Balls 1952-8-21 17963 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1371 Comment
  CAS-BOT-BC242792  Eriogonum davidsonii E. K. Balls; P. C. Everett 1953-8-19 18529 Riverside Hwy from Banning to Idyllwild, s.e. from Lake Fullmore [Fulmore] 1676 Comment
  CAS-BOT-BC242795  Eriogonum davidsonii James L. Reveal; Barbara J. Ertter 1976-6-30 4565 Riverside San Jacinto Mountains, Pinyon Flat, 2 miles north of California Highway 74 along Palm Canyon Drive 1249 Comment
  POM19834  Eriogonum davidsonii Mary F. Spencer 1923-8-2 s.n. Riverside Tahquitz Trail. 2134 Comment
  RSA682862  Eriogonum deflexum Scott D. White, Michael Honer 2003-5-13 9233 Riverside Shavers Valley / Cottonwood Mountains. Lower mountain slopes ca. 1 air mile N of the I-10 Freeway. 488 Comment
  UC667354  Eriogonum deflexum var. deflexum Annie M. Alexander and Louise Kellogg 1941-5-15 2187 Riverside n base of Eagle Mountains Colorado Desert, Eagle Mountains 914 Comment
  SD229228  Eriogonum elongatum var. elongatum Dick Schwenkmeyer 2012-8-7 790 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  SEINET1909578  Eriogonum fasciculatum A. C. Sanders 2004-1 28392 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft) 1 mi E of Murrieta Rd and 1 mi N of Bundy Canyon Rd, ca 5 miles due south of Sun City 469 Comment
  SBBG62044  Eriogonum fasciculatum var. fasciculatum R. Hoffmann 1929-9-9 Riverside Temecula Grade Comment
  UC849407  Eriogonum fasciculatum var. flavoviride C. L. Hitchcock 1940-4-1 5903 Riverside 1 mi below Cottonwood Spring; Joshua Tree National Monument Comment
  RSA0117852  Eriogonum fasciculatum var. polifolium Sarah J. J. De Groot, Thomas Stoughton 2016-4-19 7801 Riverside Santa Rosa Mountains: Along Dunn Road between Haystack and Asbestos Mountains, east of Potrero Spring, near head of Dead Indian Creek. Southwest of Palm Desert and north of Highway 74 and Alpine Village. 1230 Comment
  RSA457781  Eriogonum fasciculatum var. polifolium Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2217 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  RSA543144  Eriogonum fasciculatum var. polifolium Steve Boyd 1991-3-17 5498 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  RSA775285  Eriogonum fasciculatum var. polifolium N. C. Cooper 1949-6-29 4287 Riverside Palms to Pines Hwy, San Jacinto Mt 915 Comment
  UC1608274  Eriogonum fasciculatum var. polifolium Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7320 Riverside San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 365 Comment
  SBBG62113  Eriogonum gracile P. A. Munz, I. M. Johnston 1928-9-12 11253 Riverside Temescal Cyn Comment
  POM48877  Eriogonum gracile var. gracile P. A. Munz, I. M. Johnston 1924-7-26 8711 Riverside South of Banning. 976 Comment
  RSA632460  Eriogonum gracile var. gracile Scott D. White 1999-5-28 7434 Riverside Gavilan Hills: Ca. 3 air miles SE of junction Cajalco Rd. / Gavilan Rd.: East of Juniper Rd. between Blue Sky Drive and Celestial Dr. 670 Comment
  RSA680836  Eriogonum gracile var. incultum Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8667 Riverside San Jacinto Mountains: Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UCR272192  Eriogonum gracile var. incultum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8558 Riverside Santa Rosa Mountains, Horsethef Creek, south of Cactus Spring Trail 1064 Comment
  UC85855  Eriogonum inflatum var. deflatum Mrs. E. C. Thurber 1896-3-21 Riverside Palm Springs Comment
  SBBG64005  Eriogonum inflatum var. inflatum J. Ewan 1929-3-23 Riverside Whitewater Cyn 487 Comment
  JEPS56754  Eriogonum maculatum W. L. Jepson 1928-4-25 12599 Riverside wash below Cottonwood Spring; Colorado Desert, Eagle Mts. 731 Comment
  JOTR34393  Eriogonum maculatum Andre, Jim 2012-4-16 20922 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  RSA338172  Eriogonum maculatum Robert F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53580 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  CAS-BOT-BC269778  Eriogonum nudum var. pauciflorum D. E. Breedlove 1961-8-4 937 Riverside Black Mtn Campground; NW side of Black Mtn, San Jacinto Mtns 2286 Comment
  CAS-BOT-BC258241  Eriogonum pusillum Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  JOTR30958  Eriogonum pusillum La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1933 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  RSA64582  Eriogonum pusillum F. W. Peirson 1933-4-13 10642 Riverside Deep Canyon to Idyllwild, Santa Rosa Mountains 1372 Comment
  UCR276657  Eriogonum pusillum Jim Andre 2015-3-6 33564 Riverside Coachella Valley, far northwest corner of valley, 0.5 mile west of Hwy 62 at mouth of Dry Morongo Wash, 0.3 mile north of (dirt) Kolbe Road 561 Comment
  JOTR30123  Eriogonum reniforme La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1688 Riverside Joshua Tree National Park. Stop # 2 = Pinto Basin near Sandhill 538 Comment
  RSA64581  Eriogonum reniforme F. W. Peirson 1928-4-24 7911 Riverside Cottonwood Springs, northern Colorado Desert Comment
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Oct 9 2010
  UC667265  Eriogonum reniforme Annie M. Alexander and Louise Kellogg 1941-5-15 2178 Riverside n base Eagle Mountains Colorado Desert, Eagle Mountains 914 Comment
  CAS-BOT-BC263529  Eriogonum thomasii Marcus E. Jones 1926-2-16 s.n. Riverside Near Shaver's Well, Colorado Desert Comment
  JEPS56259  Eriogonum thomasii W. L. Jepson 1927-4-11 11624 Riverside Whitewater Bridge 457 Comment
  RSA727603  Eriogonum thomasii Naomi Fraga, Lisa Rojas 2005-2-10 1394 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  UC517551  Eriogonum thomasii John Thomas Howell 1928-3-24 3534 Riverside Painted Canyon Colorado Desert, Painted Canyon Comment
  UCR148335  Eriogonum thomasii John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 21 and 22 (near 22), south of Salt Creek 23 Comment
  UCR244293  Eriogonum thomasii Jim Andre 2012-4-16 20881 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  CAS-BOT-BC262882  Eriogonum thurberi H. M. Hall 1904-5-19 4950 Riverside Riverside. Fairmount Park 243 Comment
  POM158196  Eriogonum thurberi P. A. Munz, I. M. Johnston 1928-9-6 11278 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
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Dec 29 2009
  POM2305  Eriogonum thurberi Jenkins, Street 1917-5-30 1954 Riverside San Jacinto. Comment
  UCR114942  Eriogonum umbellatum var. munzii G. R. Ballmer, Kay Stockwell 1995-6-25 s.n. Riverside San Jacinto Mtns, Pacific Crest Trail, near Pyramid Peak [c. 3 km (airline) SSE of Palm View Pk.--A. C. Sanders] 2134 Comment
  POM183873  Eriogonum wrightii var. membranaceum P. A. Munz 1932-10-16 12839 Riverside Palm Creek, Santa Rosa Mountains. 1463 Comment
  RSA0029410  Eriogonum wrightii var. membranaceum John F. Emmel 1995-9-24 1391 Riverside Santa Rosa Mts: open area on flat ridge top 0.9-1.0 air mi ESE of Toro Peak. 2287 Comment
  RSA297402  Eriogonum wrightii var. nodosum Larry E. DeBuhr 1977-5-6 2587 Riverside Whitewater Canyon, ca. 4.5 miles N from I-10. Comment
  RSA450252  Eriogonum wrightii var. nodosum J. C. Roos 1967-10-28 s.n. Riverside Whitewater. 427 Comment
  RSA65010  Eriogonum wrightii var. nodosum F. W. Peirson 1922-12-27 3333 Riverside Andreas Canyon, east base of San Jacinto Mountains 610 Comment
  CLARK-A1528-4626  Erioneuron pulchellum John C. Roos 1949-3-5 4088 Riverside Orocopia Mountains Comment
  RSA0123091  Eriophyllum ambiguum var. paleaceum Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8986 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
  POM357967  Eriophyllum confertiflorum Norman C. Cooper 1944-7-15 1600 Riverside Palms to Pines Hwy. 1220 Comment
  UCR135984  Eriophyllum confertiflorum A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27906 Riverside Peninsular Range, Alberhill Mountain, around dried pool in bottom of a large clay pit 445 Comment
  UCR16866  Eriophyllum confertiflorum M. Ferro 1970-5-10 12 Riverside Hwy 60 to San Jacinto turnoff [Gilman Springs Rd.]; 4 mi [SE] then 0.25 mi off E side of rd. 457 Comment
  UCR172239  Eriophyllum confertiflorum John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  JOTR30220  Eriophyllum confertiflorum var. confertiflorum Leary, C. and Leary, Pat 1979-5-5 2993 Riverside Joshua Tree National Park. Common on a west facing slope above Lower Covington Flat, Joshua Tree N.M., T2S R7E sec 6. Comment
  POM474458  Eriophyllum multicaule Martha Hilend 1928-4-8 s.n. Riverside Lake Elsinore, about 3 miles west of lake. Comment
  UCR92348  Eriophyllum multicaule Scott D. White, T. Keeler-Wolf 1994-5-8 s.n. Riverside San Jacinto Mtns, Foothills, San Jacinto River wash at eastern edge of Valle Vista 549 Comment
  RSA92388  Eriophyllum multicaule F. W. Peirson 1914-04 1384 Riverside Whitewater at head of Coachella Valley. Comment
  CAS-BOT-BC296969  Eriophyllum wallacei Catherine A. Toschi 1963-4-11 63 :127 Riverside Porcupine Wash, Joshua Tree National Monument; sandy wash 762 Comment
  SBBG27746  Eriophyllum wallacei D. Myrick 1964-4-30 824 Riverside Palms to Pines (St Hwy 74), 10 mi W of Palm Desert Comment
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Jul 7 2012
  UCR97892  Erodium cicutarium A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19845 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR226078  Erodium macrophyllum A. C. Sanders, T. B. Salvato 2011-4-1 38947 Riverside Peninsular Range, Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill 409 Comment
  RSA763060  Erysimum capitatum E. W. Lathrop 1968-5-22 6926 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  UC410726  Erysimum capitatum Mrs. E. C. Van Dyke 1928-5-28 Riverside Banning Comment
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Mar 13 2011
  RSA0015881  Erythranthe moschata Justin M. Wood, Brandy Wood 2009-6-13 881 Riverside Idyllwild County Park, Lilly Creek and adj slope to W of campground. 1585 Comment
  RSA0015880  Erythranthe moschata M. B. Dunkle 1933-7-21 3727 Riverside Idyllwild. 1616 Comment
  RSA0015893  Erythranthe moschata E. K. Balls, Percy C. Everett 1953-8-19 18543 Riverside By Santa Rosa Spring, Santa Rosa Peak. 2134 Comment
  RSA0124286  Eschscholzia androuxii Duncan S. Bell 2016-4-16 9326 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  CLARK-A1656-727  Eschscholzia californica Alice Wilkinson 1981-3-14 Riverside Palm Springs Comment
  RSA433680  Eschscholzia californica Bonnie C. Templeton 1931-4-23 s.n. Riverside Gavilan Peak. 600 Comment
  RSA585879  Eschscholzia californica D. L. Banks, Peter Morrell 1995-5-4 313 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, SE of the Dripping Springs Campground., On Arkose hills at the N base of the metasedimentary hills N of Wildhorse Peak. 537 Comment
  CAS-BOT-BC83135  Eschscholzia minutiflora G. B. Grant 6752 Riverside Palm Springs. Comment
  JEPS51696  Eschscholzia minutiflora W. L. Jepson 1927-4-12 11652 Riverside Painted Canyon Mecca Hills 76 Comment
  RSA682859  Eschscholzia minutiflora Scott D. White 2003-3-23 8831 Riverside Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  RSA779722  Eschscholzia minutiflora Duncan S. Bell 2009-3-8 90 Riverside Arica Mountains: west side of mountain range in main western drainage approximately 2.5 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 420 Comment
  UC10051  Eschscholzia minutiflora S. B. Parish Apr 4 1896-Apr 13 1896 4106 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. (desert base of mt.) 152 Comment
  UCR3003  Eschscholzia minutiflora Wm. Horn Jr. 1963-3-23 630323- 5 Riverside Western Colorado Desert, Box Canyon Road (Calif. Hwy 195 ), 8 mi SE of Mecca, 75 yards south of the road. 61 Comment
  UCR74363  Eschscholzia minutiflora Theo Glenn 1991-5-2 91- 23 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  UCD96493  Eschscholzia papastillii Shannon M. Still 2009-2-21 436 Riverside California. Riverside County. 167 Comment
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Sep 2 2017
  CAS-BOT-BC419606  Eschscholzia parishii W. R. Ernst 1960-3-15 720 Riverside East of Indio on Highway 60-70, about 6 miles west of Cactus City Comment
  RSA66277  Eschscholzia parishii F. W. Peirson 1922-4-9 2872 Riverside Murray Canyon, Palm Springs region 305 Comment
  RSA789476  Eschscholzia parishii Aaron C. Sedgwick, David Fraker 2012-3-28 33 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UCR214582  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37848 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.93 mi. north (03 deg. ) of intersection of I-15 and Lake St. 469 Comment
  SDSU13329  Eucrypta chrysanthemifolia var. chrysanthemifolia Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 24 Riverside Along a poorly defined trail east of the north research station. At the Santa Margarita Ecological Research Station (SDSU). 322 Comment
  UC1979533  Eucrypta chrysanthemifolia var. chrysanthemifolia Darin L. Banks, Steve Boyd 1995-4-5 159 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, E of the Dripping Springs Trail, in the N flowing drainage that empties into Arroyo Seco. Comment
  UCR232518  Eucrypta micrantha Dave Silverman, Onkar Singh 2010-3-27 7865 Riverside Sonoran (Colorado) Desert, McCoy Wash, N of Palo Verde Mesa, 5.3 km W of Mesaville siding, west of A Canal/Levee Blvd, & c. 7 km N of Blythe Airport 136 Comment
  RSA152148  Euonymus occidentalis var. parishii Wesley O. Griesel 1962-6-29 s.n. Riverside Dark Canyon; San Jacinto Mountains. Comment
  PASA2373  Euonymus parishii Frank W. Peirson 1924-7-27 Riverside Dark Canyon, San Jacinto Mts. 1767 Comment
  UCR120909  Euphorbia albomarginata A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24947 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR140726  Euphorbia albomarginata A. C. Sanders 2004-5-12 27881 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  POM184544  Euphorbia eriantha C. L. Hitchcock 1932-4-7 12203 Riverside Chuckwalla Mountains: Corn Springs. Comment
  UC1971290  Euphorbia eriantha Carl B. Wolf 1932-4-29 3090 Riverside Eastern Colorado Desert. W. Edge of Maria Mts. 17 mi. from Blythe on Rice Road.; Lower Sonoran Comment
  UCR101579  Euphorbia eriantha Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR17718  Euphorbia eriantha 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
  OBI39241  Euphorbia maculata A. C. Sanders 1982-6-12 2713 Riverside Riverside, garden at 422 Campus View Dr Comment
  UCR264243  Euphorbia micromera A. C. Sanders, Jim Malusa 2015-9-10 41851 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  RSA0122707  Euphorbia pediculifera Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9057 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  SD224941  Euphorbia polycarpa G. K. Helmkamp, E. A. Helmkamp 1998-2-5 2675 Riverside Little San Bernardino Mtns, 3.2 mi. N of jct of Thousand Palms Canyon Rd & Dillon Rd. 456 Comment
  UCR112976  Euphorbia polycarpa B. G. Pitzer 1998-3-1 3549 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  UCR213496  Euphorbia polycarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-18 38410 Riverside Peninsular Range, southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. and Black Powder Rd. 502 Comment
  UCR214573  Euphorbia polycarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37854 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  UCR264236  Euphorbia setiloba A. C. Sanders, Jim Malusa 2015-9-10 41843 Riverside Sonoran (Colorado) Desert, mouth of Red Canyon at Salt Creek wash 390 Comment
  UCR48516  Euphorbia spathulata Steve Boyd 1986-5-1 1792 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  RSA600227  Euphorbia supina L. C. Wheeler 1960-5-12 7702 Riverside Banning. Comment
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Mar 13 2011
  UCR101220  Eustoma exaltatum L. C. Wheeler 1955-6-10 7151 Riverside Sonoran (Colorado) Desert, Colorado River at John's Boat Landing Comment
  PASA2353  Fagonia californica 1929-4-28 Riverside Hidden Springs Comment
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Jun 24 2016
  SEINET8720621 Image available Fagonia chilensis Helen K. Sharsmith 1952-1 4062 Riverside Larrea-Olneya association. Northwest base of Chuckawalla Mountains seven miles south of Highway 60-70. 533 Comment
  RSA550346  Fagonia laevis Walter Wisura, John Dolan, M. Wall 1992-3-24 4642 Riverside Lowdesert: 5.6mi S of I-10 on rd to Corn Spring. Comment
  UC867880  Fagonia laevis P. A. Munz and D. Keck Apr 9 1922-Apr 22 1922 4790 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 457 Comment
  RSA0009994  Fagonia laevis Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  SEINET13945547 Image available Fagonia laevis J. C. Roos 1965-1 sn Riverside Lost Palm Canyon, Eagle Mts., Colorado Desert Comment
  SD128675  Fagonia pachyacantha Darley F. Howe 1980-4-16 Riverside 4 miles south of Highway 10 on Cornsprings Road, Chuckwalla Mountains 334 Comment
  UCR233167A  Fagonia pachyacantha Jim Andre, Glenn L. Clifton 2011-2-22 17444 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCR86213  Fagonia pachyacantha A. C. Sanders 1995-5-23 17115 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
  UCR201510  Festuca arundinacea Scott D. White, Justin M. Wood 2008-6-17 12151 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  CLARK-A1528-4652  Festuca grayi John C. Roos 1952-4-9 5482 Riverside Fairmount Park 259 Comment
  UCR174603  Festuca octoflora A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32490 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR214287  Festuca octoflora A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37486 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
  RSA314664  Filago californica R. F. Thorne, Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55488 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA729268  Filago californica R. F. Thorne, M. Z. Thorne 1973-3-30 42686 -b Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA85100  Filago californica J. C. Roos 1952-4-13 5528 Riverside Box Springs Mts. 488 Comment
  UCR166301  Filago depressa A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16129 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCR18413  Flaveria trinervia Mark Tavianini 1977-10-23 s.n. Riverside Riverside, McKinley Street about 1 mi north of Hwy 91 Comment
  RSA113276  Forestiera pubescens E. K. Balls 1955-4-1 20412 Riverside Head of Palm Canyon, Hwy 74, from S end of San Jacinto Mts to Palm Springs. 1250 Comment
  JEPS45714  Fouquieria splendens subsp. splendens W. L. Jepson 1912-10-30 5251 Riverside Black Point; Riverside Mts., Colorado River Comment
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Nov 9 2014
  JEPS122474  Frangula californica subsp. cuspidata J. M. Andre 2012-6-15 30533 Riverside San Jacinto Mountains; along Highway 243, 10.7 miles south of Interstate 10 (Banning), San Bernardino National Forest. Lake Fulmor 7.5' Q. Comment
  SD229244  Frangula californica subsp. cuspidata Dick Schwenkmeyer 2012-3-26 682 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  UC1931061  Frangula californica subsp. cuspidata Scott D. White, Justin Wood 2008-7-8 12388 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  SD197786  Frankenia salina Karin Cleary-Rose, G. Nhun 1995-7-20 Riverside West edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Highway 74 and Whittier Avenue, at south end of Hyatt Avenue, west of the San Diego Aqueduct 456 Comment
  CAS-BOT-BC217647  Fraxinus dipetala T. Cass 1975-4-10 1512 Riverside 3/4 mi. down road parallel to Brown Creek Comment
  RSA464921  Fraxinus dipetala N. C. Cooper 1945-5-5 2263 Riverside San Gorgonio Mountains above Banning. 915 Comment
  UCR80802  Fraxinus dipetala Scott D. White 1993-5-29 1465 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1220 Comment
  RSA736787  Funastrum cynanchoides var. cynanchoides Scott D. White, Angelia Carey 2004-7-2 10549 Riverside Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA458596  Funastrum hirtellum L. H. Jones 1910-3-18 s.n. Riverside Riverside Mountain, near the Colorado River Comment
  RSA763985  Funastrum hirtellum Justin M. Wood, D. Ray 2010-10-21 3022 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  RSA737323  Gaillardia pulchella Justin M. Wood 2008-9-22 156 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCD166245  Galium Jack Major 1962-4-17 778 -b Riverside Along the west facing wall of Whitewater Canyon, just east of San Gorgonio Pass, north of US HWYs 60 and 70, (modern Interstate 10 in this locality). (Exact location unknown. Coordinates estimated by label maker.) 670 Comment
  UCR213441  Galium angustifolium A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37829 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  JEPS56076  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-1-21 4176 Riverside Hwy 79 3 mi nw Gilman Hot Springs (s of Beaumont, w-facing rocky slope) Comment
  UC917858  Galium angustifolium subsp. angustifolium Frank W. Gould 1943-4-17 2121 Riverside 12 mi s Corona Comment
  UCR107397  Galium angustifolium subsp. angustifolium B. G. Pitzer 1997-3-23 2955 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  RSA0018468  Galium angustifolium subsp. jacinticum Peter Guiden, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 86 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  POM36776  Galium aparine N. C. Cooper 1947-4-5 2040 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  POM367762  Galium aparine Robert Gustafson 1985-5-20 3115 Riverside San Jacinto Mtns., R-1, between Lake Fulmar and Allandale. Comment
  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
  RSA706289  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1280 -b Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  UCR147259  Galium californicum subsp. primum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1280 a Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  UCR147554  Galium californicum subsp. primum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1285 Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  RSA276587  Galium porrigens L. T. Dempster, G. Ledyard Stebbins 1967-3-19 4332 Riverside Just north of county line, south of Temecula. Comment
  UCR138808  Galium porrigens var. porrigens D. L. Banks, J. Moreno 1997-2-5 1252 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
  CAS-BOT-BC178386  Garrya flavescens J. C. Roos 1966-4-23 s.n. Riverside Skyline Drive, Santa Ana Mtns., above Corona Comment
  RSA125363  Garrya veatchii R. Weatherby 1950-3-5 1053 Riverside Road between Anza and Hemet Comment
  RSA113807  Gayophytum diffusum subsp. parviflorum Peter H. Raven, R. Snow 1957-7-26 11088 Riverside Banning-Idyllwild road, 0.9 miles north of Vista Grande Ranger Station, San Jacinto Mts. Comment
  UC64298  Gayophytum diffusum subsp. parviflorum H. M. Hall July, 1901 2347 Riverside Tauquitz Valley San Jacinto Mountains 2438 Comment
  UCR103185  Gazania linearis Scott D. White, J. Greene 1997-3-12 4789 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  JEPS15396  Geraea canescens Joseph and Hilda Grinnell 1937-11-30 1085 a Riverside 24 mi w of Blythe (Bed of Ford Dry Lake); Ford Dry Lake 106 Comment
  RSA719040  Geraea canescens Michael Honer 2005-3-11 2060 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  UCD132593  Geraea canescens R. W. Scora 1966-4-1 3003 Riverside 400 meters before Hidden Spring Oasis on road from Thousand Palms. Comment
  UCR167202  Geraea canescens S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  UCSC001465  Geraea canescens Peter Kamb 1948-4-11 884 Riverside Aqueduct Road 5 mi east of Garnet Aqueduct Road, Garnet - Coachella Valley 305 Comment
  UC17149  Geranium californicum H. M. Hall 1901-7 Riverside Tauquitz Valley San Jacinto Mountains 2743 Comment
  UCR16341  Geranium dissectum Mike Way 1968-5-14 s.n. Riverside Santa Ana Mountains, Santa Rosa Plateau, Rancho California ranch, along Tenaja Road 579 Comment
  RSA391013  Geranium richardsonii Anstruther Davidson 1876-6-7 1905 Riverside Strawberry Valley. San Jacinto Mt. Comment
  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
  RSA0112033  Gilia A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16244 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. E side of Snow Cr. Rd., toward the north. 335 Comment
  UCR156460  Gilia T. B. Salvato, A. C. Sanders 2005-5-17 902 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
  CLARK-A1528-3502  Gilia angelensis John C. Roos 1952-4-2 5460 Riverside Box Springs 487 Comment
  RSA180286  Gilia angelensis E. W. Lathrop 1960-3-25 4684 Riverside 14 miles west of Murrieta. Comment
  RSA550024  Gilia angelensis W. Wisura, A. King, Lydia Newcomb 1992-4-10 4673 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
  RSA606302  Gilia angelensis Jon E. Keeley 1994-4-22 25337 Riverside Shipley Reserve. 590 Comment
  UC494754  Gilia angelensis Philip A. Munz 1932-3-24 12024 Riverside n Elsinore; n of Elsinore 304 Comment
  RSA731011  Gilia australis Michael Wall 2008-4-4 455 Riverside San Jacinto Valley, Bautista Creek east of Hemet ca. 8.0 miles SE of junction with Fairview Ave. 778 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
  RSA769708  Gilia capitata subsp. abrotanifolia E. W. Lathrop 1973-6-28 7445 Riverside Bear Springs on the Main Divide Truck Trail, 1 mi E of Santiago Peak, Cleveland National Forest. Comment
  UC310671  Gilia capitata subsp. abrotanifolia Philip A. Munz 1926-5-2 10425 Riverside about 5 mi nw Dripping Springs; nw of Dripping Springs Comment
  RSA67337  Gilia diegensis J. Rattenbury 1949-4-28 172 Riverside Nera Pinyon Flat Public Camp on Hwy 174, north of Mt. Santa Rosa. 1220 Comment
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Sep 4 2011
  UCR21019  Gilia diegensis W. W. Mayhew 1978-5-4 s.n. Riverside San Jacinto Mtns, 2 mi. east of Lake Hemet in Garner Valley. 1341 Comment
  JEPS4120  Gilia ochroleuca subsp. exilis W. L. Jepson 1903-8-5 2261 Riverside Strawberry Valley San Jacinto Mt. 1676 Comment
  RSA0017087  Gilia ochroleuca subsp. exilis Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4446 Riverside Vail Lake area, benches along Kolb Crk., W of Dripping Springs, N of Hwy 79. 487 Comment
  HSC87253  Gilia scopulorum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2186 Riverside NW end McCoy Mtns., NW of Blackjack Mine 400 Comment
  JOTR30803  Gilia stellata La Doux, Tasha 2008-3-10 1823 Riverside Joshua Tree National Park. Northwest end of Eagle Mountains, near road to Cottonwood Canyon 898 Comment
  RSA299418  Gilia stellata Marjorie D. Clary 1932-3-2 1623 Riverside Bajada, west of Coral Reef Ranch, 8 miles southwest of Coachella 91 Comment
  SD38838  Gilia stellata Edith A. Purer 1935-4-21 6485 Riverside Western edge of Colorado Desert. Comment
  SEINET3004968  Gilia stellata G. Rink 2011-3-24 10392 Riverside Sandy wash north of Blythe, east of the McCoy Mtns 109 Comment
  SEINET3217332 Image available Gilia stellata T. B. Salvato 2010-4-20 4054 Riverside Sonoran (Colorado) Desert; alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe. (McCoy Peak 7.5 Q.) 183 Comment
  SJSU8432  Gilia stellata R. C. McGehee 1970-4-30 246 Riverside 4 mi W of Corn Springs, Chuckwalla Mts, 18 mi SE of Desert Center Comment
  RSA92591  Githopsis diffusa subsp. diffusa J. C. Roos 1952-5-24 5710 Riverside Burn on hills north of Moreno. 503 Comment
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May 20 2011
  RSA623566  Glyceria declinata A. C. Sanders, S. Hawkins 1996-4-24 18088 Riverside Morongo Indian Reservation, Vicinit of natural pond & bog at SE sdge of Burro Flats. 1098 Comment
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Dec 18 2009
  CLARK-A1528-220  Gnaphalium bicolor Fred B. Essig 1967-5-7 Riverside Riverside Comment
  RSA584813  Gnaphalium californicum R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61191 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  RSA552541  Gnaphalium canescens D. Charlton 1987-12-6 1104 Riverside Cottonwood Canyon, first canyon W of Whitewater N of the 10 freeway. N of Palm Springs. Foothills of San Bernardino Mtns. 915 Comment
  UCR100214  Gnaphalium canescens subsp. beneolens Scott D. White 1992-12-16 979 Riverside Vail Lake area, c. 9 air mi east of Aguanga (junction of Hwys 371 & 79) & 3 air mi north of Beauty Mtn Peak. 1372 Comment
  UCR174963  Gnaphalium luteoalbum Teresa Nieto 2005-5-26 34 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  RSA583611  Gnaphalium microcephalum Steve Boyd, Darin Banks 1995-3-30 8406 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  RSA289833  Gnaphalium palustre B. A. Prigge 1980-8-12 3953 Riverside San Bernardino Mountains, Whitewater Canyon: 0.7 mile WNW of trout farm. 720 Comment
  RSA556437  Gnaphalium palustre Julie Greene 1993-4-17 1194 Riverside West of Davis Road. 433 Comment
  RSA741076  Gnaphalium palustre Scott D. White, Justin M. Wood 2008-6-17 12153 Riverside San Jacinto Mountains: South of Hwy 79 near Keen Camp Summit. 1402 Comment
  RSA0112993  Gnaphalium thermale P. A. Munz, I. M. Johnston 1924-7-28 8807 Riverside Pine Flats, San Jacinto Mts. [original label says San Diego Co.] 1738 Comment
  SEINET2056598 Image available Grayia spinosa B. Pitzer 2001-4-11 4326 Riverside SW Mojave Desert; just outside the Adelanto city limits. 2.6 Mi. N of Hwy 18 & 0.2 mi. W of Hwy 395 0n Holly Road 911 Comment
  UCSB1695  Grayia spinosa Leeuwen, Henry 1957-4-13 Riverside White Water Canyon about 2 miles from U.S. 60 Comment
  SD40820  Gutierrezia microcephala Carl B. Wolf 1932-10-13 4313 Riverside Colorado Desert, Eagle Mountains, Cottonwood Springs. 289 Comment
  UC284166  Gutierrezia sarothrae P. A. Munz 1923-6-18 7125 Riverside 3 mi n Lake Elsinore Comment
  VVC1350  Haplopappus acradenius A. C. Sanders, J. Mac 1996-11-23 19659 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  UCR197062  Haplopappus menziesii A. C. Sanders, D. L. Sanders 2008-9-27 36101 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  HSC85385  Harpagonella palmeri Steve Boyd 1986-4-10 1644 Riverside Temscal Canyon: Along DePalma Rd. between Indian Truck Trail and Horsethief Canyon. 1.0 mi. E of Indian Truck Trail Comment
  UCR172197  Harpagonella palmeri John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  UCR77719  Harpagonella palmeri Steve Boyd 1991-5-7 6165 Riverside Peninsular Ranges, Santa Ana Mountains, SE and E side of Elsinore Peak 1067 Comment
  POM229528  Helianthus gracilentus Noel Wallace 1937-1 BM- 18 Riverside Riverside Comment
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Sep 7 2011
  POM360006  Helianthus gracilentus N. C. Cooper 3955 Riverside Elsinore. 762 Comment
  UCSB37798  Helianthus niveus Roos, John 1962-4-3 Riverside Palm Springs Airport 121 Comment
  RSA704847  Heliotropium curassavicum Anonymous 1947-4-5 s.n. Riverside Lake Elsinore. Comment
  CAS-BOT-BC540729  Heliotropium curassavicum var. oculatum Sarah J. De Groot; Amy Rouillard 2015-9-15 7558 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  POM248441  Heliotropium curassavicum var. oculatum Philip Crow 1939-7-14 s.n. Riverside Blythe. Comment
  POM7026  Heliotropium curassavicum var. oculatum P. A. Munz, L. T. Street, G. Williams 1919-3-26 2463 Riverside Figtree John s Spring, near Salton Sea. -61 Comment
  RSA0013141  Heliotropium curassavicum var. oculatum LeRoy Gross, Caitlin Elam 2013-5-14 6067 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  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
  UCR121807  Hemizonia fasciculata A. C. Sanders, Carolyn Washburn 2001-4-17 24061 Riverside San Jacinto Valley, southwest edge of Hemet, NW of intersection of Stowe Rd. and California Av., 2 miles NE of Winchester 457 Comment
  RSA735946  Hemizonia kelloggii Scott D. White, Justin M. Wood 2008-6-13 12101 Riverside Beaumont Badlands: San Timoteo Canyon, near El Casco Lake (private pond) E of the road. 579 Comment
  UCR158884  Hemizonia kelloggii Scott D. White 1994-6-14 2066 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR82813  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15769 Riverside San Jacinto Mtns., N slope of mtns.; Twin Pines Creek in vicinity of confluence w/ Brown Crk. & of the dirt road crossing 854 Comment
  UCR189803  Hemizonia pungens subsp. laevis Diane Menuz 2006-5-9 117 Riverside Peninsular Range, Perris Basin, San Jacinto Wildlife Area, across the street from main headquarters and information booth. Growing in E-W swath just north of alkaline flats (~1m from flats) in narrow ditch 432 Comment
  UCR207306  Hemizonia pungens subsp. laevis John F. Green 2009-7-13 s.n. Riverside Peninsular Range, Elsinore Trough, NE side of the city of Lake Elsinore, east side of Pasadena St. north of Central Ave. 384 Comment
  UCR161460  Hemizonia pungens subsp. pungens Nathan Moorhatch 2005-9-23 s.n. Riverside Perris-Aguanga Basin, SW side of March ARB, north side of Nandina Avenue, west of Patterson Avenue 457 Comment
  UCR18051  Herniaria cinerea O. F. Clarke 1967-1 s.n. Riverside UCR campus, in botanic garden Comment
  RSA0107472  Hesperocallis undulata Duncan S. Bell, Amanda Turek 2009-3-29 152 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  RSA286424  Hesperocallis undulata Mary H. O'Brien 1976-4-14 s.n. Riverside 0.4 mile N of Amboy Road and 3.4 miles east of Adobe Road in Twentynine Palms. 595 Comment
Read comments
Mar 29 2014
  UCR20356  Hesperocallis undulata Don Emery 1980-3-28 s.n. Riverside Sonoran Desert, Riverside/Imperial Co. line on the E side of Salton Sea, vicinity of Bat Caves Buttes -30 Comment
  UCR24143  Hesperocallis undulata John C. Roos 1949-3-19 4114 Riverside Western Colorado Desert, Sandy flats 2 or 3 miles east of Mecca Comment
  CAS-BOT-BC131794  Hesperoyucca whipplei C. B. Wolf 1931-5-11 1943 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mts. 1676 Comment
  UC1518828  Heterotheca sessiliflora subsp. fastigiata Robert F. Thorne, Kay L. Wright and Richard K. Benjamin 1982-10-8 55400 Riverside 3.3 mi n Whitewater Post Office (side-canyon on w side of Whitewater Canyon); San Bernardino Mts., Whitewater Canyon 594 Comment
  UC472813  Hibiscus denudatus F. G. Woodcock and M. F. Spencer 1922-4-28 412 Riverside Chino Canyon Palm Springs; Colorado Desert, , Palm Springs Comment
  UCR198198  Hibiscus denudatus Michael Honer, L. Hulse 2004-4-3 1915 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  SD137829  Hirschfeldia incana Darin L. Banks, Steve Boyd 1995-5-3 198 Riverside Agua Tibia Mountains Watershed; North slope of Agua Tibia Mountains, east of the Dripping Springs Alcove Area, along the lower alluvia benche 505 Comment
  PASA1048  Hoffmannseggia microphylla 1930-3-30 Riverside Painted Canyon Comment
  SEINET10789442  Hordeum Robert F. Thorne 1973-5-23 Thorne 43873 Riverside Santa Rosa Plateau. Mesa de Colorado. 610 Comment
  UCR225736  Hordeum depressum A. C. Sanders, T. B. Salvato 2011-3-30 38892 Riverside Peninsular Range; Elsinore Trough, city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 Comment
  RSA601925  Hordeum intercedens D. E. Bramlet 1997-3-13 2497 Riverside Nichols Road Wetlands. This site is located aproximatly 183 m. southeast of Nichols Road, 91m west of Collier Ave. and 196m west of I-15., The locality is east of the existing dirt road extending south from Nicholas Rd. and adjacent to Alberhll Creek. 381 Comment
  UCR75530  Hordeum intercedens A. C. Sanders 1993-5-12 14012 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  UCR136257  Hordeum marinum A. C. Sanders 2004-4-20 27564 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
  UCR182376  Hordeum murinum Andrea Salzman, Carlos Navarro 2006-5-9 97 Riverside Peninsular Range, San Jacinto Mountain foothills, San Jacinto Wildlife Area, east of Davis Road near duck ponds 436 Comment
  CAS-BOT-BC284764  Hordeum murinum subsp. glaucum John Thomas Howell 1956-3-19 31117 Riverside San Jacinto Comment
  UCSC001449  Horkelia clevelandii Peter Kamb 1947-6-7 562 Riverside San Jacinto Mts, Hall Canyon 1646 Comment
  RSA0124125  Horsfordia newberryi Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8736 Riverside Santa Rosa Mountains; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 115 Comment
  CLARK-A1528-4948  Hulsea heterochroma John C. Roos 1942-6-20 1274 Riverside San Jacinto Mountains Comment
  UCR178332  Hulsea heterochroma Mitch Provance, Tracy Tennant 1998-6-16 MOR- 443 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon 823 Comment
  JEPS34898  Hulsea vestita subsp. callicarpha W. L. Jepson May 17 1901-Jun 1 1901 1317 Riverside Chalk Hill Thomas Valley, Chalk Hill Comment
Read comments
Feb 16 2013
  UCR20548  Hulsea vestita subsp. callicarpha W. W. Mayhew 1977-6-11 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  UC1181321  Hydrocotyle ranunculoides Peter H. Raven 1959-5-17 14232 Riverside San Jacinto Mts., Lake Fulmor Comment
  POM361062  Hymenoclea salsola L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain on gravelly hillside Colorado River. Comment
  POM41959  Hymenoclea salsola Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sea near Oasis. Comment
  POM12866  Hymenopappus filifolius var. lugens P. A. Munz 1922-6-29 s.n. Riverside Santa Rosa Mountains: Santa Rosa. 2134 Comment
  UCR34978  Hymenopappus filifolius var. lugens L. B. Ziegler 1968-5-21 298 Riverside San Jacinto Mtns., Hemet Valley (=Garner Valley) 1418 Comment
  RSA544396  Hypochaeris glabra Steve Boyd 1991-5-30 6323 Riverside Winchester Valley, SE end of Double Butte, just N of Winchester, 1/2 mile W of Highway 79 457 Comment
  CHSC745  Hyptis emoryi V. Holt 1942-3-27 Riverside Blythe. 91 Comment
  CLARK-A1528-3136  Hyptis emoryi John C. Roos 1965-12-4 Riverside Chuckwalla Mountains Comment
  JEPS63220  Hyptis emoryi John Thomas Howell 1928-1-29 3295 Riverside Painted Canyon; Colorado Desert, Painted Canyon Comment
  JOTR34309  Hyptis emoryi Andre, Jim 2012-4-11 20724 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  LA30753  Hyptis emoryi Peter H. Raven; 1958-1-24 11444 Riverside Fargo Canyon Comment
  LA61521  Hyptis emoryi Mary F. Spencer; 1922-4-5 296 Riverside Eagle Canyon, Palm Springs Comment
  SFV17323  Hyptis emoryi J. N. Hogue, J. D. Dilley (268) 1998-4-23 108 .6 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  UC218091  Hyptis emoryi P. A. Munz and D. Keck 1922-4-9 4767 Riverside near Mecca (Shavers Well); Shavers Well 76 Comment
  UCLA61519  Hyptis emoryi M. F. Spencer Mar 1918 297 Riverside Col<rado> Desert <Colorado Desert> Comment
  UCR233154A  Hyptis emoryi Jim Andre, Glenn L. Clifton 2011-2-22 17458 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCR275512  Hyptis emoryi D. E. Bramlet 2010-3-1 4456 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  UCR96199  Hyptis emoryi B. G. Pitzer 1996-11-9 2923 Riverside Sonoran (Colorado) Desert, Orocopia Mtns: Bob's Cabin, c. 4 road mi. north of Salt Creek Road (on SR211) & 4.5 air mi. south of the W end of Hayfield Lake. 610 Comment
  SEINET10836950  Hyptis emoryi David B. Dunn 1948-2-21 Dunn 3657 Riverside Found in wash; a rain about two weeks earlier. Pushawalla canyon, indio hills of the colorado desert; w of indio. Comment
  RSA0013879  Ibicella lutea H. Baer 1922-7-18 s.n. Riverside Near Lake Elsinore. Comment
  UCR19014  Imperata brevifolia John C. Roos 1965-7-22 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs Comment
  JEPS30089  Isocoma acradenia var. eremophila Lewis S. Rose 1961-11-23 61062 Riverside La Quinta 15 Comment
  UCR277518  Isocoma menziesii Mitch Provance 2012-9-13 912- 05 Riverside Badlands of Western Riverside County, Mt. Davis, +- 1.5 miles SW of Beaumont, vicinity of the microtower on David Mountain Rd. 845 Comment
  CAS-BOT-BC69870  Isoetes orcuttii Robert F. Thorne 1974-5-23 44672 Riverside Santa Rosa Plateau, Rancho California: n. edge of large vernal marsh, Mesa de Colorado. 624 Comment
  JOTR30786  Ivesia saxosa La Doux, Tasha, Erin Babich 2007-4-18 1516 Riverside Joshua Tree National Park. About .5 mile southeast of Lost Horse Ranger Station, at the west edge of Lost Horse Valley Comment
  SEINET5603624 Image available Jacaranda acutifolia Unknown 1961-1 Unknown Riverside Near Citrus Experimental Station, UCR Campus Comment
  UCR189786  Juglans californica var. californica Theresa Johnson 2007-10-24 404 Riverside Peninsular Ranges, Perris-Aguanga basin, Badlands, just north of Highland Blvd Comment
  UCR189779  Juglans hindsii Theresa Johnson 2007-10-9 401 Riverside Peninsular Ranges, Perris-Aguanga basin, Estelle Mountain 498 Comment
  UC1787289  Juglans nigra A. C. Sanders, J. Goetzen 1996-5-1 18134 Riverside San Bernardino Mountains; Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning 792 Comment
  CAS-BOT-BC158117  Juglans regia A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37146 Riverside Peninsula Range: Riverside, UCR campus by West Campus Drive near The Barn 320 Comment
  CAS-BOT-BC109879  Juncus Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore. Comment
  UC146453  Juncus acutus subsp. leopoldii H. M. Hall May 1905 5978 Riverside Chuckawalla Springs Colorado Desert Comment
  SEINET1004544  Juncus balticus Mitch Provance 2005-1 9806 Riverside Warm Springs Valley; Nichols road wetland area at Alberhill Creek, S of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore. 396 Comment
  UCR133330  Juncus balticus 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
  UC1601699  Juncus bufonius H. M. Hall Jun 1901 Riverside Onstatt Valley San Jacinto Mountains 1524 Comment
  UCR274329  Juncus bufonius Mitch Provance 2012-7-11 612- 62 Riverside Badlands of Western Riverside County, Beaumont, along 1st St., near intersection with Grace Ave. 780 Comment
  RSA682460  Juncus effusus subsp. austrocalifornicus Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8641 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UCR201446  Juncus effusus var. exiguus Scott D. White, Justin M. Wood 2008-7-10 12451 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  RSA801817  Juncus longistylis LeRoy Gross, Evan Meyer 2013-5-21 6111 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley. Started near 33.72895N, 116.73415W. And ended at Inspiration Point. 1631 Comment
  RSA335012  Juncus macrophyllus Steve Boyd 1985-7-23 1020 Riverside De Luz Road, 8.0 miles west of Rancho California. Side canyon of Sandia Creek. 305 Comment
  JOTR36424  Juncus mexicanus La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3369 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  RSA562485  Juncus mexicanus Steve Boyd, Timothy S. Ross 1992-5-5 7251 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  RSA621505  Juncus mexicanus Darin L. Banks 1997-11-15 2196 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. 549 Comment
  RSA368067  Juncus oxymeris H. de Forest, Jack Rempel 1932-10-22 s.n. Riverside Pines to Palms Highway. Comment
  RSA289846  Juncus rugulosus B. A. Prigge 1980-9-17 4062 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio. -3 Comment
  UCR177389  Juncus saximontanus A. C. Sanders, Scott D. White, C. L. Sanders 1994-10-9 15796 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  RSA575885  Juncus textilis Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills region, south flank of the range in upper Arroyo del Toro, Bull Canyon Road. Comment
  UCR125764  Juncus textilis A. C. Sanders, Lowell J. Bean, Pesach Lubinsky, et al 2003-1-10 25659 Riverside San Jacinto Mountains, Bautista Canyon, c. 3/4 mile above the Horse Canyon confluence, near beginning of Alessandro Trail 884 Comment
  RSA356641  Juniperus californica Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 47295 Riverside Santa Rosa Plateau: Cleveland National Forest, along Tenaja Creek at Tenaja Guard Station. Comment
  RSA402305  Justicia californica Christopher Davidson, Josephine Jones 1980-4-4 9952 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  RSA463156  Justicia californica Lyman D. Benson 1933-3-31 4183 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  SEINET10437711 Image available Justicia californica J. R. Haller 1960-4-2 1552 Riverside North side of US Highway 60-70, 1.7 miles west of the south entrance road to Joshua Tree National Monument, about 22 miles east of Indio 488 Comment
  SEINET2163464 Image available Justicia californica Philip A. Munz 1940-3-24 15692 Riverside 3 miles south of Cottonwood Springs, eagle Mountains 460 Comment
  SD132283  Keckiella antirrhinoides Narca A. Moore-Craig 1984-4-13 Riverside Mt. San Jacinto, 4 mi W of Mountain Center along Hwy 74. 671 Comment
  UCR121318  Keckiella antirrhinoides var. antirrhinoides A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25000 Riverside Peninsular Range; San Jacinto Mtns. Region, The Badlands; summit of Mt. Eden, SW of Beaumont 717 Comment
  RSA0019434  Keckiella ternata subsp. ternata Mary F. Spencer 1923-7-29 2261 Riverside Banning road. 1768 Comment
  RSA585503  Koeleria macrantha D. L. Banks, Steve Boyd 1995-5-9 0364 B 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
  CAS-BOT-BC273670  Koeleria pyramidata H. M. Hall 1901-6-1 2131 Riverside San Jacinto Mountains. Santa Rosa Mountain. Dry hillsides of Coyote Canyon 1584 Comment
  CAS-BOT-BC61430  Krameria bicolor K. Bonner 1977-10-29 2585 Riverside Midland Road W. of Blythe 121 Comment
  JOTR32604  Krameria erecta La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2668 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary Comment
  CLARK-A1528-567  Krameria grayi I. Rauch 1968-4-9 Riverside Palm Desert Comment
  RSA0051604  Krameria parvifolia Lee Haines 1952-6-1 s.n. Riverside Palms to Pines Highway. 1158 Comment
  SEINET11446730 Image available Laennecia coulteri H. M. Hall 5941 Riverside Palo Verde Valley 76 Comment
  POM12138  Lamarckia aurea Mary F. Spencer 1921-5-28 s.n. Riverside Near San Jacinto 549 Comment
  CLARK-A1528-3099  Lamium amplexicaule John C. Roos 1938-3-12 1642 Riverside La Sierra Comment
  UC909116  Langloisia setosissima subsp. setosissima Frank W. Peirson 1927-4-12 7177 Riverside at camp near forks Painted Canyon; Colorado Desert, Painted Canyon Comment
  RSA645546  Laportea ovalifolia A. C. Sanders, S. Morgan 1995-11-30 17926 Riverside Riverside: weed in the UCR Botanic Garden [UTM 10km cell: MH-7E, 5N. Edgemont.] 366 Comment
  CLARK-A1528-4432  Larrea tridentata John C. Roos 1942-5-1 Riverside Comment
  LA99472  Larrea tridentata Hisao P. Arai; 1957-4-17 sn Riverside 1 mi S of Cabazon, off Hwy 60 Comment
  SEINET4907865  Larrea tridentata H. F. Thut 1971-3-7 s.n. Riverside 10 miles E of Palm Springs. Comment
  UCR261451  Larrea tridentata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41448 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  RSA610612  Lastarriaea coriacea R. S. Woglum 1938-5-1 1605 B Riverside Peninsular Ranges: South of Hemet; San Jacinto Valley west of San Jacinto Mountains. Comment
  CAS-BOT-BC338920  Lasthenia californica Philip A. Munz 1932-3-24 12015 Riverside Corona 365 Comment
  UC1979559  Lasthenia californica Darin L. Banks, Steve Boyd 1995-5-3 288 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  CAS-BOT-BC353283  Lasthenia coronaria H. M. Hall 1903-3-1 3847 Riverside Reche Canon Comment
  JEPS29480  Lasthenia coronaria Lauramay T. Dempster 1962-4-17 1889 Riverside about 1 mi below Fish Hatchery; Whitewater Canyon Comment
  RSA699812  Lasthenia coronaria Scott D. White, Michael Honer 2003-4-4 8939 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  IRVC27654  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1997-3-13 2490 Riverside Nichols Road Wetlands, ca 335 m SE of Nichols Road, 91m W of Collier Ave. and 305 m W of the I15, E of the existing dirt road extending S from Nichols Rd. and adjacent to Alberhill Creek 381 Comment
  RSA450757  Lasthenia glabrata subsp. coulteri J. C. Roos 1966-3-8 s.n Riverside 1 mile N of Lakeview Comment
Read comments
May 21 2011
  POM308571  Lasthenia gracilis Henry J. Ramsey, Henry J. Ramsey 1940-3-15 3246 Riverside S of Corona Comment
  UCR101786  Lasthenia gracilis George K. Helmkamp, E. A. Helmkamp 1997-3-5 1333 Riverside San Bernardino Mtns./San Gorgonio Pass, Cabazon, 0.5 mi north of I-10 on Millard Pass Rd. 564 Comment
  UCR102846  Lasthenia gracilis A. C. Sanders 1997-4-3 20141 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  UCR117217  Lasthenia gracilis B. G. Pitzer 2000-4-20 4125 Riverside Mead Valley, Air Force property bordering Nandina Road, across from (N of) the T-intersection with Brown Street. 515 Comment
  SEINET10907079  Lathyrus laetiflorus Gary D. Wallace, Dieter H. Wilken 1966-4-7 Wallace 412 Riverside Along roadside of hwy 71, s of aguanga, common in area growing with argemone Munita and lupinus hirsutissimus. Comment
  RSA90289  Lathyrus vestitus subsp. alefeldii F. W. Peirson 1922-4-28 2946 Riverside Leach Canyon Near Lake Elsinore. 549 Comment
  SEINET7048214  Lathyrus vestitus var. vestitus Steven R. Hill, Andrew C. Sanders 2001-5-4 33727 Riverside Santa Rosa Plateau, Carancho Road, at crossing of De Luz Creek (headwaters), Fallbrook 7.5' quad. Elevation 1140-1180 feet. 359 Comment
  JOTR16603  Layia glandulosa Walters, Jim 1967-3-14 s.n. Riverside Joshua Tree National Park. ONE MILE NORTH OF SQUAW TANK Comment
  JOTR32957  Layia glandulosa La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2708 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  UC1329951  Layia glandulosa James E. Cole 1941-5-17 724 Riverside Covington Flat Joshua Tree National Monument, Covington Flat 1584 Comment
  SBBG52762  Layia platyglossa N. C. Cooper 1944-4-22 1160 Riverside Banning 731 Comment
  UC30603  Layia platyglossa Geo. R. Hall 1901-3-17 1670 Riverside near Riverside Comment
  UCR127331  Layia platyglossa A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25840 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCSB18487  Layia platyglossa Smalley, G. 1964-5-9 Riverside State Highway 74, 4.3 miles S from Idyllwild 1371 Comment
  RSA5025  Layia platyglossa subsp. campestris Dorothy R. Wolf 1932-3-20 25 Riverside Richman Ranch 2.5 mi N of De Luz. SW Riverside County 457 Comment
  POM12985  Layia platyglossa subsp. platyglossa P. A. Munz, I. M. Johnston 1922-5-19 5419 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  UCR95225  Lemna valdiviana D. L. Banks, E. H. Banks 1996-5-2 945 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
  SD114969  Lepechinia cardiophylla M. Kottman 1982-5-17 Riverside Junction of Indian Truck Trail and North Main Divide; Santa Ana Mountains. Comment
  CAS-BOT-BC88684  Lepidium acutidens John Thomas Howell 1930-5-10 4783 Riverside 1 mile south of Perris. Comment
  RSA594782  Lepidium densiflorum var. ramosum D. L. Banks, Dylan Hannon 1996-5-3 976 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a xeric W facing slope, approximately 350 m SE of the Helipad at the upper camp sites. 539 Comment
  CHSC520  Lepidium flavum M. Anthony 1954-4-15 Riverside Near Joshua National Monument. Comment
  LA204439  Lepidium fremontii Carl Epling; William Robison 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  POM184744  Lepidium fremontii C. L. Hitchcock 1932-4-8 12211 Riverside 1 mile west of Cottonwood Springs. Comment
  UCR16634  Lepidium fremontii James K. Ryan 1969-3-24 4 Riverside Joshua Tree National Monument, 11.4 mi north of Cottonwood Springs turnoff on main road through park, on W roadside. Cottonwood Mtns 610 Comment
  RSA678339  Lepidium lasiocarpum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10476 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA709973  Lepidium lasiocarpum Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4591 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR93064  Lepidium latifolium A. C. Sanders 1994-7-26 15148 Riverside Santa Ana River at the Mission Blvd/7th street Bridge, W foot of Mt. Rubidoux 240 Comment
  UCD115887  Lepidium virginicum subsp. menziesii T. B. Salvato; Kent Beaman 2005-5-16 775 Riverside San Jacinto Mtn: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  POM184160  Lepidospartum squamatum M. French Gilman 1932-11-30 4 Riverside Whitewater Point. Comment
  UC1303164  Lepidospartum squamatum C. B. Wolf 1932-10-11 4269 Riverside mouth of Whitewater Wash 304 Comment
  RSA272164  Lepidospartum squamatum var. palmeri John F. Emmel 1975-10-8 539 Riverside San Jacinto River bed, 1.5-2 air miles E of Valle Vista, Sw base San Jacinto Mts. 537 Comment
  UCR2516  Leptochloa uninervia F. M. Reed 1933-11-10 8312 Riverside Corona 305 Comment
  SEINET1906295  Leptodactylon californicum Sarah J. De Groot, Elizabeth A. Kempton 2006-1 5211 Riverside Along Hwy 243, N slope of San Jacinto Mountains. 730 Comment
  JEPS69865  Leptodactylon pungens Carl V. Meyer 1928-7-31 611 Riverside near summit of Tahquitz Peak (on w side, San Jacinto Mts.); San Jacinto Mts., nr summit Tahquitz Peak Comment
  POM364672  Leptosiphon floribundus E. Crow 1929-4-21 341 Riverside Hills west of Lake elsinore Comment
  HSC85403  Leptosiphon lemmonii Steve Boyd 1986-4-19 1696 Riverside Temescal Canyon, E side of Indian wash between I-15 and Temescal Canyon Rd. Comment
  OBI8134  Leptosyne californica David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12072 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd 11 mi S of N park boundary Comment
  SD152945  Leptosyne californica Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-26 6701 Riverside Santa Ana Mountains; San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCR21842  Lessingia filaginifolia 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
  POM361807  Lessingia glandulifera var. glandulifera M. B. Dunkle 1933-7-21 3718 Riverside Idyllwild 1616 Comment
  SBBG52759  Lessingia glandulifera var. glandulifera Dr. H. de Forest 1930-8-28 Riverside W side of San Jacinto Valley Comment
  UCR35055  Lewisia rediviva var. minor L. B. Ziegler 1967-6-1 151 Riverside San Jacinto Mtns, Hemet (Garner) Valley 1375 Comment
  RSA781835  Leymus condensatus Michael Wall 2011-8-5 611 Riverside Along Bautista Canyon Rd., confluence of unnamed canyon ca. 1.5 miles SE of jct. with Fairview Ave. 629 Comment
  RSA618424  Limonium perezii D. L. Banks 1997-5-5 1951 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. Approximately 50 m east of the intersection between Vail Ranch Parkway., Redhawk Parkway and Nighthawk Pass. 378 Comment
  JOTR33750  Linanthus bigelovii La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2748 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  LA206675  Linanthus californicus Elizabeth McClintock; J. Fenley 1937-7-10 sn Riverside San Jacinto Mountains, between Hidden Lake and Round Valley Comment
  RSA85447  Linanthus dianthiflorus subsp. dianthiflorus J. C. Roos 1952-4-13 5529 Riverside Box Springs Mts. 488 Comment
  RSA709880  Linanthus jonesii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4631 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  UCR249505  Linanthus jonesii T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7287 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
  UCR201710  Linanthus lemmonii Scott D. White, Justin M. Wood 2008-6-5 12076 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 Comment
  UCR66492  Linanthus lemmonii P. A. Munz 1922-4-28 5033 Riverside Peninsular Range, Temescal Canyon 366 Comment
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Apr 3 2011
  GMDRC2692  Linanthus maculatus T. La Doux 2003-4-12 158 Riverside San Bernardino Mountains: San Bernardino Mountains: along banks of Whitewater Wash, approx 1 mi. N. of I-10 33 deg. 56' 28'' N 116 deg. 38' 25'' W. Elev. 1522 ft. 464 Comment
  RSA468523  Linanthus pungens Robert Kessler 1920-7-4 17044 Riverside Mount San Jacinto. Comment
  UCR101467  Linanthus pygmaeus A. C. Sanders 1997-4-3 20164 Riverside Lake Skinner area, hills NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  UCSB3559  Linum lewisii Zellhoefer, Judi 1960-5-15 Riverside Highway 74, 25.2 miles SE of Idyllwild Comment
  UCR80801  Linum lewisii var. lewisii Scott D. White 1993-5-29 1472 Riverside San Bernardino Mtns, Big Oaks Canyon, along the road to Raywood Flat,Yucaipa Ridge 2134 Comment
  RSA0010985  Lithophragma affine Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2124 Riverside Santa Rosa Mountains. Comment
  RSA7581  Lobelia cardinalis subsp. graminea B. D. Stark 1933-11 5554 Riverside Andreas Canyon, desert side of San Jacinto Mountains. Comment
  SEINET3522941 Image available Lobularia maritima K. S. Gill 1965-3-14 Riverside On campus UCR. waste land near parking lot No. 19. Comment
  GMDRC7792  Loeflingia squarrosa J. M. Andre 2015-3-6 33556 Riverside Coachella Valley: sandy flats along Snow Canyon Rd, just south of Hwy 111 362 Comment
  RSA339656  Loeflingia squarrosa R. F. Thorne 1980-5-28 54228 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA357789  Loeflingia squarrosa R. F. Thorne, M. Z. Thorne 1973-3-30 42688 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs 488 Comment
  UCR241932  Loeflingia squarrosa A. C. Sanders, Timothy W. Chumley 2013-3-28 40693 Riverside Peninsular Range, Temescal Canyon Rd. at Pacific Clay Products plant/Bernard St., c. 1 mile north of Lake St. 370 Comment
  UCR60245  Loeflingia squarrosa R. F. Thorne, M. Z. Thorne 1973-3-30 42688 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  UCR87144  Loeflingia squarrosa A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16141 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  RSA562060  Loeseliastrum matthewsii Steve Boyd, C. Boyd, Kyle A. Boyd 1992-4-19 6923 Riverside N end of the Granite Mtns on sandy bajada along poweline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  UC23705  Loeseliastrum matthewsii H. M. Hall 1899-6-1 Riverside Smith Mt. Comment
  RSA78694  Loeseliastrum schottii P. A. Munz 1952-4-15 17350 Riverside Pleasant Valley, Joshua Tree National Monument 1159 Comment
  SD247334  Logfia filaginoides T. B. Salvato, Matt Malle 2014-3-29 8023 A Riverside Perris-Aguanga Basin: Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (=Sunset Avenue), about 1 mile west of Murrieta Road and 4.3 miles southeast of Canyon Lake. 534 Comment
  UCR90754  Logfia filaginoides Scott D. White 1995-4-5 2738 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  HSC85297  Logfia gallica Steve Boyd 1986-5-7 1842 Riverside Temescal canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, S of I-15 Comment
  UCR54310  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  UCR97722  Lomatium dasycarpum Scott D. White 1997-2-9 4678 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  UCR104928  Lomatium lucidum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20638 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
  UC21232  Lomatium mohavense H. M. Hall 1899-5-26 1184 Riverside San Jacinto Mts., Nigger Jim Hill Comment
  POM184737  Lomatium mohavense subsp. longilobum P. A. Munz, C. L. Hitchcock 1932-4-9 12228 Riverside open flats, White Tanks, eastern Riverside. Comment
  POM10335  Lomatium vaginatum Charlotte M. Wilder 1907-05 770 Riverside Jurupa Hills Comment
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Dec 8 2013
  LA204615  Lonicera subspicata Carl Epling; 1931-10-3 sn Riverside San Jacinto Mountains, Strawberry Valley 1523 Comment
  SD234349  Lonicera subspicata Wayne Law, Jun Hu 2000-5-16 20 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi S of Corona (Alberhill 7.5'Q) 395 Comment
  POM17511  Lonicera subspicata var. denudata P. A. Munz 1923-6-18 7128 Riverside Temecula Canyon. Comment
  RSA115034  Lonicera subspicata var. denudata E. K. Balls 1955-07 20973 Riverside San Jacinto Mountains, Hwy 74, Hemet to Idyllwild, 2.8 miles NW from Mountains Center. 1189 Comment
  CSUSB1188  Lotus argophyllus Margaret-Lee Dean 1965-4-5 Riverside Bernasconi Hills, 6 miles east of Highway 395 on Martin Road 487 Comment
  UC864765  Lotus argophyllus var. argophyllus C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-4-15 4638 Riverside Perris-Gavilan Peak 600 Comment
  RSA249839  Lotus crassifolius R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38104 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  UCR35030  Lotus crassifolius L. B. Ziegler 1967-7-5 179 Riverside San Jacinto Mtns, Canyon of the South Fork of the San Jacinto River 1829 Comment
  RSA522778  Lotus hamatus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3885 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
  SEINET7048200  Lotus hamatus Steven R. Hill, Andrew C. Sanders 2001-5-4 33710 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  CLARK-A1528-2800  Lotus heermannii John C. Roos 1952-6-13 5768 Riverside Pigeon Pass 426 Comment
  GMDRC2043  Lotus heermannii J. Andre 2006-4-26 6757 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  UC15654  Lotus heermannii Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains 1828 Comment
  UCR241651  Lotus heermannii T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 325 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  RSA0028965  Lotus heermannii Keith E. Hoffmaster 1937-7-5 818 Riverside San Jacinto Mtns. Comment
  RSA0029411  Lotus heermannii John F. Emmel 1995-9-24 1392 Riverside Santa Rosa Mts: open area on flat ridge top 0.9-1.0 air mi ESE of Toro Peak. 2287 Comment
  RSA515327  Lotus humistratus Jeri Hirshberg 1989-4-4 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, W of Mesa de Burro near head of Cole Canyon. 488 Comment
  RSA761686  Lotus nevadensis Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 702 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  JEPS55538  Lotus nevadensis var. nevadensis W. L. Jepson 1903-8-7 2287 Riverside Strawberry Valley San Jacinto Mts. 1676 Comment
  RSA160514  Lotus nevadensis var. nevadensis J. D. Olmsted 1959-5-23 657 Riverside Desert Sun School near Idyllwild 1646 Comment
  UCR159142  Lotus procumbens A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16218 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  SEINET3133950  Lotus rigidus S. B. Parish 1907-4-22 6147 Riverside W border of Colorado Desert 200 Comment
  RSA406827  Lotus salsuginosus var. salsuginosus M. B. Dunkle 1933-4-5 3376 Riverside Colorado Desert, Jack Rabbit Trail Comment
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Mar 21 2011
  RSA0045159  Lotus scoparius Andrew Haimov, April Sleigh 1992-5-19 95 Riverside 1 mile east of Davis Road south side of pond # 1, San Jacinto Wildlife Area. Comment
  RSA556448  Lotus strigosus Julie Greene 1993-4-30 1282 Riverside S of visitor center road and N of the old San Jacinto River drainage. 433 Comment
  RSA757799  Lotus strigosus LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4288 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UC218092  Lotus strigosus P. A. Munz, D. Keck 1922-4-9 4765 Riverside near Mecca; Shavers Well 76 Comment
  UCR164290  Lotus strigosus S. J. Myers 2001-4-5 s.n. Riverside San Jacinto Mtns., Bautista Canyon 884 Comment
  UCR177997  Lotus strigosus 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
  SEINET7042771  Lotus strigosus W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Road shoulder on Long Valley Road north of Tecula. Ca. 0.1 mile east of U.S. 395 [=Interstate 15 & Route 79]. Comment
  HSC98230  Lotus strigosus var. hirtellus R. A. Eagle 1963-4-8 7 Riverside San Jacinto Mts., Idyllwild Comment
  RSA483569  Lotus strigosus var. hirtellus D. Charlton 1988-5-21 1954 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on hwy 74. 1829 Comment
  UCR120847  Lotus wrangelianus D. E. Bramlet 1993-4-12 2320 Riverside Lake Mathews; 46 m north of Cajalco Rd. at a point 762 m east of La Sierra Ave., NW of Siegal Ranch Road 427 Comment
  UCR51134  Lupinus Jack Easton 1988-5-2 s.n. Riverside Peninsular Range, Anza area 1189 Comment
  JOTR36470  Lupinus arizonicus La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3439 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; at top of large cobbley wash, near Russi Rocks guzzler (Stop 4) 538 Comment
  POM349961  Lupinus arizonicus C. P. Smith 1936-1 2167 Riverside West side of Colorado Desert. -30 Comment
  UC126993  Lupinus arizonicus S. B. Parish Apr 4 1896-Apr 13 1896 4080 Riverside desert base of San Jacinto Mt. Palm Springs (Agua Caliente) (Palm Springs (Agua Caliente)); , Palm Springs 152 Comment
  UCR103567  Lupinus arizonicus George K. Helmkamp, E. A. Helmkamp 1998-2-18 2709 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR279541  Lupinus arizonicus A. C. Sanders, Jim Malusa 2017-3-29 43182 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  UCR97478  Lupinus arizonicus John Wear, N. Moorhatch 1997-3-21 s.n. Riverside San Jacinto Mtns, S of Chino Canyon, at NW end of Palm Springs 350 Comment
  SBBG89044  Lupinus bicolor P. Pitzer, K. Kirtland 1986-5-6 201 Riverside Butterfield Stage Ranch development, N side of Pauba Valley, 1 mi S of Buck Mesa on the E side of Butterfield Stage Rd 457 Comment
  SEINET7073311 Image available Lupinus bicolor A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  RSA652736  Lupinus bicolor subsp. microphyllus Marion P. Harthill 1971-3-19 14 Riverside Palm Desert. 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
  UC1929497  Lupinus concinnus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10483 Riverside Peninsular Ranges, San Jacinto Mountains/Colorado Desert: E side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR209001  Lupinus concinnus E. W. Lathrop 1959-4-17 4476 Riverside Peninsuar Range, Santa Ana Mtns., Tenaja [Santa Rosa] Plateau. 14 miles west of Murrieta, west slope of Redonda Mesa 854 Comment
  POM12634  Lupinus densiflorus var. lacteus Philip A. Munz 1922-4-28 5030 Riverside 5 miles north of Glen Ivy Comment
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Apr 3 2011
  RSA413545  Lupinus densiflorus var. lacteus N. Cooper 1944-5-5 1201 Riverside Calimesa. 305 Comment
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Nov 22 2011
  CLARK-A1528-498  Lupinus excubitus Fred B. Essig 1964-4-25 25 Riverside Elsinore Comment
  POM307275  Lupinus excubitus var. austromontanus Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2144 Riverside Santa Rosa Mountains. Comment
  RSA652215  Lupinus excubitus var. austromontanus G. Foster 1961-5-12 122 Riverside Highway to Idyllwild, Beaumont side. Comment
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Feb 18 2013
  UCR167981  Lupinus excubitus var. austromontanus T. B. Salvato, John F. Green 2004-5-27 650 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
  CAS-BOT-BC216697  Lupinus excubitus var. excubitus P. C. Everett 1935-6-18 7182 Riverside 1 mile from Ortega Highway, Main Divide Motorway to Santiago Peak, Santa Ana Mountains 731 Comment
  RSA5027  Lupinus excubitus var. hallii Carl B. Wolf 1932-3-20 27 Riverside Richman Ranch, 2.5 miles no. of De Luz; S. W. Riverside County. 457 Comment
  RSA618414  Lupinus excubitus var. hallii D. L. Banks 1997-5-5 1962 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
  RSA797258  Lupinus formosus Robert F. Thorne, Walter Wisura 1977-9-17 50796 Riverside San Jacinto Mountain: slopes of peak 3171 Comment
  SEINET10543985  Lupinus formosus David B. Dunn, Melvin L. Conrad; Patricia L. Kenney 1973-6-15 Dunn 20769 Riverside Coll at the jct of hwy 74 and 71. A gas station on the sw corner. Area generally chaparral with shaggy adenostema. 1433 Comment
  RSA528098  Lupinus hirsutissimus Steve Myers 1991-4-15 91 -20 Riverside City of Banning, W of fields Road, N of Interstate 10 and S o the Morongo Indian Reservation. 671 Comment
  SEINET10631127  Lupinus hirsutissimus Greg Gust, Leith Nye 2005-3-11 Gust 542 Riverside Lake Elsinore City Limits. Hwy 74 ca. 2 mile W of Lake Elsinore on hill slope pullout. 691 Comment
  POM320521  Lupinus latifolius subsp. parishii Worthman 1960-5-16 165 Riverside 8.7 miles west of Murietta. 168 Comment
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Jun 16 2013
  RSA413837  Lupinus latifolius subsp. parishii M. B. Dunkle 1933-7-23 3765 Riverside San Jacinto Mt 2896 Comment
  UC15767  Lupinus latifolius var. parishii Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  SFV13141  Lupinus longifolius M. J. Thor 1982-9-17 148 Riverside San Jacinto Mountains Idyllwild Park. Lily Creek, rocky part along roadway. 1616 Comment
  JEPS65114  Lupinus microcarpus var. densiflorus W. L. Jepson 1914-5-25 6086 Riverside Banning Comment
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Mar 13 2011
  RSA413800  Lupinus nanus subsp. nanus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UCR17920  Lupinus sparsiflorus M. J. Arbaugh 1978-5-5 s.n. Riverside Hills south of Botanical Gardens at University of Calif., Riverside. Comment
  POM262907  Lupinus sparsiflorus subsp. sparsiflorus J. C. Roos 1937-3-23 434 Riverside Whitewater, Colorado Desert. Comment
  RSA50800  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2310 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA543760  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6060 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA501075  Lupinus succulentus Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3193 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 549 Comment
  UCR270392  Lupinus truncatus John F. Emmel 1998-5-2 1545 Riverside San Jacinto Mtns., SW foothills, Bautista Canyon, 0.8 road mile SE of national forest boundary 729 Comment
  UCR24928  Luzula comosa A. C. Sanders 1980-8-23 1757 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  CAS-BOT-BC231416  Lycium andersonii E. A. McGregor 1917-3-18 s.n. Riverside Colorado Desert. 7 mi up Painted Canion [Canyon] Comment
  CAS-BOT-BC231419  Lycium andersonii Mrs. R. W. Campbell 1922-3-6 35 Riverside Palm Springs Comment
  RSA719265  Lycium andersonii Michael Honer, L. Hulse 2004-4-3 1902 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canyon. 610 Comment
  UC667319  Lycium cooperi Annie M. Alexander and Louise Kellogg 1941-5-23 2226 Riverside near Cottonwood Spring; Colorado Desert, Eagle Mountains 883 Comment
  CSUSB1727  Lythrum hyssopifolia Deborah Sullivan 1973-7-9 Riverside Glen Avon, Riverside. 243 Comment
  RSA160518  Machaeranthera asteroides var. asteroides J. Olmstead 1959-9-23 1000 Riverside Base of San Jacinto Mtns. Valle Vista along road crossing of dry wash at junction of roads from Hemet and San Jacinto. Bautista Cyn. / San Jacinto Riv. drainage. 549 Comment
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Mar 27 2011
  IRVC27407  Machaeranthera canescens A. C. Sanders, Scott D. White, C. L. Sanders 1994-12-18 15897 Riverside eastern edge of San Jacinto, Mountain Avenue at Esplanade Avenue, 2.4 mi. NW of Hwy 74 on Mountain Ave. San Jacinto Valley 490 Comment
  RSA776297  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell, Amanda Turek 2010-4-10 827 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  CAS-BOT-BC154108  Machaeranthera tortifolia N. Aitkenhead 1977-2-3 s.n. Riverside Maniobra Valley N. of Orocopia Mnts. Comment
  UCR34958  Madia elegans subsp. wheeleri L. B. Ziegler 1968-6-12 312 Riverside San Jacinto Mtns, Thomas Mtn 1982 Comment
  CAS-BOT-BC206263  Malacothamnus fasciculatus Winfield 1975-4-27 2379 Riverside Snow Ck. Rd ~ 3 mi. from Hiway 111 Comment
  RSA500205  Malacothrix clevelandii Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-5-7 3539 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UC1536760  Malacothrix coulteri G. H. True 1935-3-14 108 Riverside Gavilan Hills 609 Comment
  CAS-BOT-BC347693  Malacothrix glabrata H. M. Hall 1905-5-1 6028 Riverside Colorado Desert. Near Pinto Mts. Comment
  UCR269857  Malacothrix glabrata A. C. Sanders, Jim Malusa 2016-3-17 42355 Riverside Sonoran (Colorado) Desert, north edge of Chocolate Mountains Aerial Gunnery Range, upper Arroyo Seco on south shoulder of Bradshaw Trail 686 Comment
  OBI52753  Marah macrocarpa Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 & Indian Truck Trl 381 Comment
  SDSU5862  Marah macrocarpa Thomas A. Zink 1971-4-1 Riverside Along Oak Glen Rd. about 3 miles south of the Oak Glen Range Station. Comment
  UCR174046  Marah macrocarpa A. C. Sanders 2006-5-19 32449 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
  UCR231777  Marah macrocarpa John F. Green 2008-4-23 08- 17 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  SD129346  Marina parryi A. C. Sanders 1989-9-19 9505 Riverside 1.75 km south of Tabaseca Tank, along the wash above Tabaseca Target. 680 Comment
  SD247425  Marina parryi A. C. Sanders., Jim Malusa 2015-9-10 41863 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, 0.85 mile SE of its junction with Summit Road in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range (East of Red Canyon 7.5'Q) 480 Comment
  SEINET2065649 Image available Marrubium vulgare Ed LaRue 1989-4-7 Riverside Woodcrest area, 1/2 mile NE of the intersection of Van Buren Blvd and Mockingbird Canyn Road. 365 Comment
  UCR96204  Matelea parvifolia A. C. Sanders, G. Helmkamp, O. Clarke, B. Pitzer 1996-11-9 19648 Riverside Sonoran (Colorado) Desert, Orocopia Mtns., near 'Bob's Cabin', 5 mi. (air) south of Hayfield Pump Sta., east of Maniobra Valley, central section of arroyo (N of peak 2552 to Bench Mark 1899) 610 Comment
  UCR213837  Matricaria discoidea Scott D. White, Justin M. Wood 2009-5-21 12854 Riverside San Jacinto Mountains, Garner Valley, near abandoned duck ponds, south of Quinn Flat 1366 Comment
  UCR85085  Medicago lupulina A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16028 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  UC1922000  Medicago polymorpha Scott D. White, Angelia Carey 2004-4-16 10176 Riverside San Jacinto Mountain Foothills: Indian Creek and adjacent slopes. Comment
  RSA552741  Medicago polymorpha Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-25 6673 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 and 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  UCD107933  Medicago sativa P. B. Kennedy 1921-11-1 s.n. Riverside Mecca. Comment
  RSA689490  Melaleuca A. C. Sanders, Dana Klatt 2001-8-14 24592 Riverside UCR campus at University Bldg. S (old Citrus Expt. Sta. Director s residemce area) 351 Comment
  SEINET10635025  Melia azedarach Greg Gust, Leith Nye 2005-3-11 Gust 537 Riverside Lake Elsinore City Limits. At intersection of Ellis St. & Franklin St. in an overgrown disturbed site. 400 Comment
  CAS-BOT-BC271198  Melica A. C. Sanders; T. B. Salvato; Matthew Malle 2010-4-7 37800 Riverside Southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of interesection of I-15 and Lake St., Peninsular Range 525 Comment
  RSA781201  Melica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37800 Riverside 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
  SEINET273054 Image available Melica frutescens A. C. Sanders 1997-4-3 20145 Riverside Lake Skinner area; near N foot of Black Mtn slopes S of Crown Valley. UTM 10km cell: MH-9E 2N. Domenigoni Valley 655 Comment
  UC205737  Melica frutescens I. M. Johnston 1918-4-27 1863 Riverside Temescal Canyon 365 Comment
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1
  RSA249842  Melica imperfecta R. F. Thorne, J. P. Simon, CW Tilforth 1969-6-24 38107 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon 1677 Comment
  RSA291551  Melica imperfecta C. W. Tilforth, B. Busenberg 1980-6-17 2010 Riverside Along Thomas Mtn. Road, south of Lake Hemet, west of Highway 74. 1659 Comment
  RSA342046  Melica imperfecta R. F. Thorne, WA Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54083 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  SD129182  Melica imperfecta Ed LaRue 1989-6-11 Riverside W side of Laskeview Mountains, ca. 1 mi. SE of town of Nuevo. 640 Comment
  SD137950  Melica imperfecta Darin L. Banks, Steve Boyd 1995-3-30 124 Riverside N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail 725 Comment
  UC736843  Melica imperfecta Frank W. Gould 1944-4-4 2207 Riverside 12 mi s Corona (on road to Elsinore) Comment
  UCR176909  Melica imperfecta Tracy Tennant 1998-6-18 2024 Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  UCR91219  Melica imperfecta Scott D. White 1996-3-31 3852 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 463 Comment
  RSA653219  Melilotus albus John Wallace, Steve McNabb 1991-5-4 2 Riverside Colorado River. Ca 2 mi S of Red Rooster Campground. Comment
  UCR35321  Mentzelia L. B. Ziegler 1968-6-12 307 Riverside San Jacinto Mtns., Thomas Mountain, slopes below summit 2043 Comment
  JEPS26723  Mentzelia affinis Newlon 1922-4-3 430 Riverside 6 miles w Indian Wells; Southern California Comment
  UCR267889  Mentzelia albicaulis Jim Andre 2013-3-4 23862 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  CLARK-A1528-606  Mentzelia involucrata Shirley Hill 1963-3-23 630323-3 Riverside Box Canyon Comment
  JOTR31008  Mentzelia involucrata La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1294 Riverside Joshua Tree National Park. Stop 5: Hexie Mountains, steep gravel slopes above north side of Blue Cut Gorge Comment
  RSA440409  Mentzelia involucrata Christopher Davidson 1979-4-4 7709 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  RSA720424  Mentzelia involucrata M. B. Dunkle 1933-3-4 3053 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA776821  Mentzelia involucrata Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1094 Riverside Chuckwalla Mountains, Corn Springs Road; Road crossing of main wash that drains Chuckwallas to the east toward the Chuckwalla Bench 427 Comment
  SBBG16941  Mentzelia involucrata K. K. Muller 1957-4-13 800 Riverside hills opposite S entrance of Joshua Tree Nat Monument Comment
  UC310584  Mentzelia involucrata Philip A. Munz 1926-1-31 9951 Riverside Colorado Desert, Dos Palmas Spring Comment
  UCR279352  Mentzelia involucrata var. megalantha A. C. Sanders, Jim Malusa 2017-3-23 42932 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
  POM48607  Mentzelia laevicaulis Mary F. Spencer 1919-7-9 s.n. Riverside San Jacinto Mt. 549 Comment
  POM259628  Mentzelia longiloba var. longiloba E. C. Jaeger 1939-12-12 s.n. Riverside Chuckawalla Spring, Riverside County. Alt 900ft 274 Comment
  RSA171351  Mentzelia veatchiana J. D. Olmsted 1962-5-3 3506 Riverside San Jacinto Mts 1616 Comment
  UCR48410  Mentzelia veatchiana Steve Boyd 1986-4-20 1722 Riverside Gavilan Plateau, Gavilan Hills: Santa Rosa Road just west of Piedras Road Comment
  UCR75555  Mesembryanthemum nodiflorum A. C. Sanders 1993-5-12 14003 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  UCR160323  Micropus californicus Steve Boyd 1992-4-14 6804 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness. Along Verdugo Trail from Tenaja Tr. to Bluewater Tr. in upper watershed Bluewater Canyon. south of Sitton Peak 854 Comment
  RSA696126  Microseris douglasii A. C. Sanders, Carolyn Washburn 2001-4-17 24049 Riverside San Jacinto Valley: southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal. 457 Comment
  UCR267162  Microseris douglasii subsp. douglasii Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 16 Riverside Temecula/Murrieta Region, Murrieta, S of Keller Rd., along dirt portion of Menifee Rd. (unmarked), on the old Clydesdale horse ranch 461 Comment
  UCR90774  Microseris douglasii subsp. platycarpha D. E. Bramlet 1994-4-20 2369 Riverside Perris-Aguanga Basin region, Shipley Reserve/SE corner of Lake Skinner Co. Park, beside a large, ephemeral drainage south of the equestriam trail, approx 762 m SE of the park entrance road and 579 m NW of East Benton Road 518 Comment
  RSA586873  Microseris lindleyi D. L. Banks, S. D. Boyd 1995-5-3 0292 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
  UCR120954A  Microseris lindleyi A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23875 A Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR156373  Microseris lindleyi T. B. Salvato, Kent Beaman 2005-5-16 875 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
  UCR230188  Microseris lindleyi A. C. Sanders 2011-4-6 38988 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
  UCR240652  Microseris lindleyi Tracy Tennant, Mitch Provance 1998-6-16 MOR- 402 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  UCR92233A  Microseris lindleyi D. L. Banks, Steve Boyd 1995-5-9 0323 A Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  LA209114  Mimulus aurantiacus var. pubescens W. E. Pequegnat; 1939-4-8 18 Riverside Santa Ana Mountains Comment
  POM267767  Mimulus aurantiacus var. puniceus Lyman Benson 1932-3-26 3183 Riverside Summit Temecula Grade. 610 Comment
  UC56249  Mimulus aurantiacus var. puniceus H. M. Hall 1902-4-21 2928 Riverside vicinity Riverside; Gavilan Hills 457 Comment
  POM43889  Mimulus bigelovii var. bigelovii Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA296382  Mimulus bigelovii var. bigelovii W. L. Jepson 1928-4-25 12596 Riverside Cottonwood Springs, Eagle Mountains. 732 Comment
  UC124387  Mimulus bigelovii var. bigelovii S. B. and W. F. Parish April 1882 1217 Riverside Morongo Comment
  RSA47935  Mimulus brevipes N. C. Cooper 1943-9-11 924 Riverside Below Idlewild. 915 Comment
  RSA701500  Mimulus brevipes M. Wall, Susan Jett, Perez, Garcia 1994-6-1 53 Riverside S of Hemet 1.75 mi W of Benjie Lane off Hwy R-3. Comment
  RSA757455  Mimulus brevipes Robert F. Thorne, Walter Wisura, Dave Mitchener 1982-1 55188 Riverside Cleveland National Forest, along Main Divide Truck Road 915 Comment
  UCR162274  Mimulus brevipes S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  UCR22084  Mimulus brevipes Steve Boyd 1980-5-3 187 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR189579  Mimulus clevelandii Diane Menuz 2006-6-27 184 Riverside Peninsular Range; Santa Ana Mtns, trail to Santiago Peak, 100 m from Main Divide Road 1470 Comment
  UCR189586  Mimulus clevelandii Carlos Navarro 2006-6-22 106 Riverside Cleveland National Forest off Indian Truck Trail c. 0.2 mi north of San Diego County border and 1.5 mi east of Santiago Peak lookout 1137 Comment
  UCR217663  Mimulus clevelandii Ana Hernandez, Kim Sparks 2010-5-11 021 Riverside Santa Ana Mountains foothills, On Horsethief Trail, on ridge between Horsethief Canyon and Rice Canyon, 2.42km east-southeast of Trabuco Peak 1200 Comment
  UCR12597  Mimulus floribundus Bill Schultz 1972-4-30 720430- 10 Riverside Santa Ana River bottom, 200 yards west of where power lines make turn where palm trees are west of dump 2 mi south of Mt. Rubidoux 305 Comment
  RSA652819  Mimulus fremontii Colleen Callan 1992-5-2 14 Riverside Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1250 Comment
  UCR20880  Mimulus fremontii var. fremontii A. C. Sanders 1978-7-3 615 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  LA209399  Mimulus guttatus Norman C. Cooper; 1415 Riverside San Jacinto Mountains, above Banning 1219 Comment
  RSA660685  Mimulus guttatus Diane T. Liggett 1985-5-12 42 Riverside Gavilan Hills, Hartford Springs, 1.9 miles south of Cajalco Road on Galivan Road. Ten to 40 ft from road edge. Comment
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Dec 2 2014
  UCR163338  Mimulus guttatus T. B. Salvato, Kelly Volansky 2003-3-27 127 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR265019  Mimulus guttatus Mitch Provance 2013-4-8 413- 14 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  UCSB7464  Mimulus guttatus Wilson, Richard 1958-5-17 Riverside 10 miles SE of Banning; on State 74; San Jacinto Mtns 1158 Comment
  RSA0035443  Mimulus guttatus Mary Duke, Christy Hightower, Cecilia McElroy 1982-5-15 19 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi. W of Hwy 15. Comment
  RSA535599  Mimulus johnstonii David M. Thompson 1988-3-3 818 Riverside 4.9 miles N of I-10 access road along paved road to Whitewater Hatchery in Whitewater River Canyon, then 0.4 miles farther N beyond hatchery along dirt road. 707 Comment
  RSA0030781  Mimulus moschatus var. longiflorus Mary F. Spencer 1921-7-1 1288 Riverside Idyllwild 1585 Comment
  UCR110973  Mimulus parishii George K. Helmkamp 1998-6-27 4100 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  CDA41833  Mimulus pilosus Scott D. White 1998-8-1 6974 Riverside Peninsular Ranges/San Jacinto Mtns region; Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park. Comment
  CLARK-A1528-4263  Mimulus pilosus E. W. Lathrop 1966-5-25 6336 Riverside La Laguna Comment
  UC729663  Mimulus pilosus Carl B. Wolf 1932-5-25 3675 Riverside 1 mi below Fish Hatchery (n base of mts.); San Jacinto Mts., Snow Creek Canyon 396 Comment
  SEINET10570117  Mimulus pilosus David B. Dunn 1946-8-16 Dunn 2668 Riverside Open, dry trail soil by Jolly Springs. Jolly Springs ravine on trail up Devil's Slide, San Jacinto Mountains. Comment
  RSA593800  Minuartia pusilla Jeri Hirshberg 1995-5-19 272 Riverside San Jacinto Mountains, Garner Valley. Comment
  CAS-BOT-BC434679  Mirabilis laevis var. crassifolia Frank W. Gould 1943-4-17 2120 Riverside 12 miles south of Corona. Comment
  RSA464824  Mirabilis laevis var. crassifolia Ora M. Clark 1929-3-2 1592 Riverside Near Alberhill Comment
  POM159835  Mirabilis laevis var. retrorsa E. C. Jaeger 1926-3-24 2347 Riverside White Tank, northern edge of Colorado Desert Comment
  RSA450140  Mirabilis laevis var. villosa J. C. Roos 1966-3-26 s.n. Riverside 2 miles SE of Desert Center. Comment
  RSA464243  Mirabilis laevis var. villosa N. C. Cooper 1945-5-6 2257 Riverside Banning. 701 Comment
  RSA69472  Mirabilis tenuiloba F. W. Peirson 1922-4-11 2917 Riverside Deep Canyon Wash, Colorado Desert. 274 Comment
  HSC82911  Mohavea confertiflora Christopher Davidson 1979-4-4 7734 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  POM182069  Mohavea confertiflora Philip A. Munz 1932-3-14 11985 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  SEINET3079860 Image available Mohavea confertiflora John Wear 1995-3-22 Riverside Colorado Desert: Chuckwalla Bench, upper Salt Creek wash W of Eagle Mountain (Kaiser) Railroad. 488 Comment
  POM9325  Mohavea confertiflora Mary F. Spencer 1920-3-12 591 Riverside Mecca. Colorado Desert, below sea level. Comment
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Sep 7 2011
  CAS-BOT-BC215700  Monardella australis Carl B. Wolf 1932-8-5 3964 Riverside San Jacinto Mts. 100 yds. beyond 1 St., meadow on trial from Tahquitz Valley to San Jacinto Peak 2743 Comment
  LA62610  Monardella australis subsp. australis Elizabeth McClintock; 1939-9-1 sn Riverside San Jacinto Mountains, trail to Round Valley Comment
  UC1563131  Monardella breweri subsp. lanceolata Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-4 3603 Riverside Vail Lake area, Kolb Creek drainage, around N extension of Woodchuck Road, north of Hwy. 79 487 Comment
  POM187414  Monardella lanceolata var. lanceolata L. Crutcher 1933-8-1 8 Riverside Camp Tahquitz, San Jacinto Mtns. Comment
  POM12918  Monardella linoides subsp. linoides P. A. Munz 1922-6-30 5921 Riverside Santa Rosa 1982 Comment
  UC25484  Monardella macrantha subsp. hallii H. M. Hall 1897-7-16 687 Riverside San Jacinto Mts. 1219 Comment
  UC1499881  Monardella nana Elizabeth McClintock 1941-5-22 Riverside Anza Monument, 5 miles south of Anza on road to Coyote Canyon Comment
  CLARK-A1528-578  Monardella nana subsp. tenuiflora Dieter H. Wilken, Gary D. Wallace 1966-7-3 1025 Riverside San Jacinto Mountains 1676 Comment
  RSA535156  Monolepis nuttalliana Steve Boyd, D. Bramlet 1991-5-13 6258 Riverside San Jacinto River at Ramona Expressway near Lakeview Hotsprings. Comment
  JEPS31419  Monoptilon bellioides Dr. L. M. Newlon 1922-4-4 444 Riverside about 5 mi s Palm Springs; Andreas Canyon Comment
  POM183980  Monoptilon bellioides P. A. Munz 1932-3-14 11997 Riverside Palm Springs. 91 Comment
  RSA0123369  Monoptilon bellioides Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9035 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  SEINET10941521  Monoptilon bellioides David B. Dunn 1948-2-21 Dunn 3685 Riverside On top of hill to north. Pushawalla. A rain about 2 weeks earlier in wash. Hills still quite dry. Comment
  SEINET7296363 Image available Muhlenbergia andina Richard W. Pohl 1963-1 9424 Riverside Lake Fulmor, San Jacinto Mts. 1300 Comment
  RSA483257  Muhlenbergia asperifolia H. de Forest 1932-8-28 15809 Riverside Beaumont-Banning Pass. First spring between Colorado Desert and San Jacinto; close to spring Comment
  UCR25621  Muhlenbergia asperifolia John C. Roos 1951-9-25 5257 Riverside City of Riverside, west end of Fairmount Park 259 Comment
  HSC84169  Muhlenbergia microsperma B. G. Pitzer, L. F. LaPre 1987-3-2 432 Riverside Bundy Canyon, 2 mi SE of Lake Elsinore, 0.5 mi N of Bundy Canyon Road 703 Comment
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Nov 5 2010
  POM185023  Muhlenbergia microsperma Marcus E. Jones 1926-3-10 s.n. Riverside Santa Ana Canyon Comment
  RSA660454  Muhlenbergia microsperma A. C. Sanders 1998-3-11 21689 Riverside North Domenigoni Hills, N side of Diamond Valley, along high water road of reservoir under construction 549 Comment
  UCD86846  Muhlenbergia microsperma F. M. Reed 1920-1-25 4155 Riverside Riverside and Vicinity. Box Springs Mountains. 640 Comment
  UCR260952  Muhlenbergia microsperma Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6029 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well 107 Comment
  JOTR30295  Muhlenbergia porteri La Doux, Tasha, Jim Andre 2007-9-6 129 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  UCD87108  Muhlenbergia rigens F. M. Reed 1934-9-26 8955 Riverside San Jacinto Mts. Creek bed adjoining Herkey Creek Camp. 1341 Comment
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May 1 2011
  POM13759  Muilla maritima Philip A. Munz 1922-4-29 5106 Riverside [Sedco] Station, south of Elsinore. Comment
  UC3796  Muilla maritima H. M. Hall May 1899 1138 Riverside Hemet Valley San Jacinto Mountains 1371 Comment
  UC501587  Muilla maritima Frank W. Peirson 1922-4-29 2942 Riverside 2 mi s Lake Elsinore (along boulevard) 365 Comment
  UCR281283  Myosurus minimus var. apus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 16 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  SEINET3830468  Myriophyllum spicatum G. Rink, M. Baker, T. Thomas, M. Honer, A. Karl 2010-1 10333 a Riverside Private. Canal two mile north of Blythe. 70 Comment
  UCR17317  Najas marina Carl Yonge 1976-7-5 s.n. Riverside Western Colorado Desert, Indio, lake in municipal golf course [Ave. 42, sea level] 0 Comment
  UC1007187  Nama Philip A. Munz 1940-3-23 15686 Riverside n part Pinto Basin Pinto Basin (northern Riverside County); n part Pinto Basin 609 Comment
  UCSB18501  Nama demissa MacLean, Steve 1963-5-5 Riverside State Highway 74; 10.2 miles SW of Palm Desert 883 Comment
  UCD87874  Nassella lepida Peter Kamb 1948-2-1 798 Riverside San Bernardino/Riverside Co.: Valley in the Jurupa Mts. West of Colton. Upper Sonoran Zone. 304 Comment
  RSA689608  Nasturtium officinale Scott D. White, Michael Honer 2003-5-27 9413 Riverside Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  POM10206  Navarretia atractyloides F. M. Reed 1907-6-21 1424 Riverside Riverside; Sec. 30 above Gage Canal. Comment
  UCR95460  Navarretia atractyloides D. L. Banks, E. H. Banks, et al. 1996-6-6 1121 Riverside Agua Tibia Mtns, NW Palomar Mtns., NW foothills of Dorland Mtn, S end of Los Caballos Road, at the gate to the UC Emerson Oaks Reserve 451 Comment
  RSA73148  Navarretia fossalis F. W. Peirson 1922-5-19 4242 Riverside 5 miles northeast of Murrieta on road to Perris Comment
  SEINET10464904  Nemacladus glanduliferus var. orientalis Raven 1958-5-5 Raven 12905 Riverside Salton View, Joshua Tree National Monument 1585 Comment
  UC416792  Nemacladus longiflorus var. longiflorus Fred M. Reed 1907-5-26 1367 Riverside n of Rubidoux Mt. (San Ana River banks, Riverside and vicinity); Riverside, Santa Ana River Comment
  RSA0126450  Nemacladus longiflorus var. longiflorus C. W. Tilforth, B. Busenburg 1980-6-17 2012 Riverside Along Thomas Mtn Rd south of Lake Hemet, west of Hwy 74. 1662 Comment
  RSA561058  Nemacladus ramosissimus Steve Boyd, Timothy S. Ross, D. E. Bramlet 1993-5-12 7355 Riverside Southern Santa Ana Mountains, Sant 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
  SD51777  Nemacladus ramosissimus Rimo Bacigalupi, G. T. Robbins 1954-5-16 4464 Riverside St. Johns Grade, State Highway 79, 11 miles south of Hemet, at junction of road to Red Mountain. 790 Comment
  UC880909  Nemophila menziesii K. Watkins and E. McClintock 1937-4-9 Riverside Riverside-Hemet Road near Winchester turnoff; Riverside-Hemet Road Comment
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Mar 20 2011
  UCR178142  Nemophila menziesii T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 919 Riverside San Bernardino Mtns., Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07 1220 Comment
  UCR230212  Nemophila menziesii A. C. Sanders 2011-4-6 38983 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  RSA645309  Nemophila menziesii subsp. integrifolia Steve Hampson 2000-5-21 s.n. Riverside Peninsular Ranges; Santa Ana Mountains: Morgan Canyon, San Mateo Canyon Wilderness Area, along Morgan Trail about 1 mile from trailhead on Main Divide Road. Comment
  RSA586935  Nemophila menziesii var. integrifolia D. L. Banks, Peter L. Morrell 1995-5-4 301 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, N of the Woodchuck Trail. 610 Comment
  CSUSB121  Nemophila menziesii var. menziesii Randy Salstrom 1966-3-3 Riverside Bottom of canyon at east end of Blain Street, in the Box Springs Mountains in Riverside (city). 274 Comment
  CSUSB122  Nemophila menziesii var. menziesii Kenneth Hibberd 1966-2-20 Riverside Arlington Ave., 1 mile east of Victoria Street, 100 yards south of road. City of Riverside. 304 Comment
  UCR106420  Nemophila menziesii var. menziesii George K. Helmkamp, A. C. Sanders 1997-3-15 1489 Riverside Skinner Lake, Grassland at base of Bachelor Mtn. and adjoining chapararal. 488 Comment
  UC68732  Nicotiana clevelandii H. M. Hall 1905-4-29 5967 Riverside McCoy Wash; Colorado Desert 91 Comment
  UCR85251  Nicotiana clevelandii A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16184 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  RSA617997  Nitrophila occidentalis R. E. Riefner 1998-10-15 98 -519 Riverside Elsinore Trough; Lake Elsinore, Palomar Rd. Comment
  LA22820  Nolina parryi Carl Epling; 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  POM310592  Nolina parryi G. Mansfield-Jones 1956-04 s.n. Riverside Joshua Tree National Monument, on road to Juniper Flats. 1463 Comment
  UCSB18701  Nolina parryi Main, Nancy 1965-5-9 Riverside State Highway 74, 10 miles S of junction with State Highway 71, San Jacinto Mountains 1219 Comment
  SEINET8043949 Image available Notholaena californica Joseph Cahill 2011-1 111 -08 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert: c. 1.4 miles west of intersection of South Palm Canyon Dr. and Murray Canyon Dr., SW of Palm Springs. 403 Comment
  POM11862  Notholaena californica subsp. californica P. A. Munz, I. M. Johnston 1922-5-21 5551 Riverside 4 mi. N.E. of San Jacinto 457 Comment
  POM355283  Oenothera californica D. A. Young 1969-3-28 P- 330 Riverside On Interstate Hwy 10, 6 mi E of Desert Center, at rest stop; N side of hwy. 305 Comment
  UC1241187  Oenothera californica subsp. californica Peter H. Raven 1959-4-23 14021 Riverside 4.1 mi w Dripping Springs Comment
  RSA726579  Oenothera deltoides Naomi S. Fraga, Sarah J. De Groot, Lisa Rojas, Lel Lubinsky 2005-2-10 1428 Riverside Along Palen Road near Hwy 177. 170 Comment
  POM355577  Oenothera deltoides subsp. deltoides M. B. Dunkle 1935-3-19 4400 Riverside Desert Center. 610 Comment
  UCR114165  Oenothera primiveris B. G. Pitzer, J. Ross 1998-3-8 3617 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  RSA4926  Oligomeris linifolia Carl B. Wolf 1932-4-28 3072 Riverside Chuckwalla Valley, 20 miles west of Blythe on the Mecca road 122 Comment
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Mar 26 2011
  UCR51933  Oligomeris linifolia Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2199 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UCR72226  Oligomeris linifolia Theo Glenn 1991-5-30 91- 114 Riverside Sonoran (Colorado) Desert, Mule Mtns, 0.2 mi. east of the Opal Hill Mine, just north of the Imperial County line and west of Palo Verde 200 Comment
  UCD116471  Oligomeris linifolia Collector Unknown 1939-3-21 s.n. Riverside Apr. Ext. Service, Riverside. Comment
  UC774558  Olneya tesota Carl B. Wolf 1940-7-16 Riverside 10 mi e Desert Center (on road to Rice); Colorado Desert 243 Comment
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Sep 24 2011
  SEINET10903576  Olneya tesota Billy Joe Cox 1975-6-26 Cox 4205 Riverside 1-3 km w. Creosote desert scrub; sandy and gravelly entisols. 21 Comment
  SD148227  Oncosiphon piluliferum A. C. Sanders, Mirch Provance and T. B. Salvato 2001-5-8 24210 Riverside Moreno Valley, along I-215 just south of the March Field Museum, 0.7 mile south of Van Buren Blvd. 465 Comment
  SEINET241485  Oncosiphon piluliferum A. C. Sanders, Mitch Provance 2001-5-8 24210 Riverside Perris-Aguanga region: Moreno Valley, along I-215 just S of March Field Museum, 0.7 mi. S of Van Buren Blvd. 465 Comment
  UCD134654  Oncosiphon piluliferum A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-8 24209 Riverside Perris-Aguanga Region: Val Verde, between Moreno Valley and Perris, along I-215, 0.9 mile south of Oleander Ave., at south end of Patterson Ave. 457 Comment
  UCR241807  Oncosiphon piluliferum A. C. Sanders, Dave King 2013-4-11 40791 Riverside Peninsular Range; SE edge Gavilan Hills, hills east of Hwy 74 and south of Perris, SCE power line route NE of intersection of Theda and Eugene streets 511 Comment
  SEINET9037810 Image available Opuntia basilaris M. A. Baker, Michelle Cloud-Hughes 2015-1 18413 Riverside San Gorgonio River, 2km SW of Cabazon, 27km WNW of central Palm Springs, 14km WSW of the historical site of Whitewater 513 Comment
  UCR178139  Opuntia basilaris Tracy Tennant 1998-4-30 MOR- 069 Riverside San Bernardino Mtns., Morongo Indian Reservation, hills west of the mouth of Potrero Canyon, 0.2 mi. NE of hill 3030 854 Comment
  UCR280999  Opuntia basilaris var. basilaris Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-31 317- 02 Riverside Temescal Valley, Corona, Mayhew Wash, west side of Campbell Ranch Rd., 300 ft. S of intersection with Temescal Canyon Rd. 328 Comment
  POM12613  Opuntia chlorotica P. A. Munz 1922-5-20 5571 Riverside Pipe Creek near Kenworthy, San Jacinto Mountains. 1448 Comment
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May 28 2011
  CAS-BOT-BC59013  Opuntia littoralis Carl B. Wolf 1938-6-11 9421 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  POM305016  Opuntia parryi Lyman Benson 1962-2-17 16143 Riverside Oak Grove 6 miles southeast of Aguanga. 1220 Comment
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Feb 24 2013
  JEPS66898  Opuntia polyacantha W. L. Jepson 1901-5-22 1384 a Riverside between Van Deventer Flats and Santa Rosa Indian Village (probably towards Toro Peak); Santa Rosa Mts. Comment
  RSA20702  Opuntia polyacantha var. erinacea C. B. Wolf, Percy C. Everett 1938-9-29 9457 Riverside Desert slope of San Jacinto Range, Upper edge of Pinyon flat on the Palms to Pines Highway. 1220 Comment
  CAS-BOT-BC56908  Opuntia polyacantha var. hystricina C. B. Wolf; P. C. Everett 1938-9-29 19101 Riverside Field redacted by CAS, contact the data manager for more information Comment
  SBBG7248  Orobanche cooperi H. and M. Dearing 1940-1-1 4066 Riverside NE of Mecca Comment
  CAS-BOT-BC502861  Orobanche cooperi subsp. cooperi Alice Eastwood 1913-4-30 3108 Riverside Palm Canyon Road, Palm Springs (label is printed San Bernardino County Comment
  RSA0066527  Orobanche cooperi subsp. cooperi C. Leo Hitchcock 1940-3-29 5845 Riverside Ca. 12 mi. east of Indio. Comment
  UC64331  Orobanche fasciculata H. M. Hall June 1-3, 1900 1448 Riverside San Antonio Mountains. Lytle Creek Canyon. Comment
  UCR3585B  Oxytheca emarginata L. B. Ziegler 1964-7-10 640710- 001 Riverside San Jacinto Mtns., Garner Valley, 2 mi. northeast of Kenworthy Ranger Station Comment
  SD193238  Ozothamnus diosmifolius Scott D. White, Justin Wood 2007-4-16 11650 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 334 Comment
  POM363756  Palafoxia arida var. arida N. C. Cooper 1949-4-8 3244 Riverside Mecca Pass east of Indio. 549 Comment
  POM363763  Palafoxia arida var. arida M. B. Dunkle 1933-3-4 3039 Riverside Painted Canyon 30 Comment
  RSA605237  Palafoxia arida var. arida A. C. Sanders, George K. Helmkamp, P. J. MacKay 1995-3-12 16041 Riverside Coachella Valley: Indo, just SW of the Whitewater River Channel at Auto Center Dr (Hwy 111) -8 Comment
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Jan 14 2010
  RSA575932  Panicum capillare Steve Boyd 1994-10-14 8393 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland Nat'l Forest. San Mateo Canyon, sandy benches in canyon bottoms at the confluence with Bluewater Canyon. 329 Comment
  UC147835  Panicum capillare H. M. Hall Aug. 1901 Riverside vicinity Riverside; vicinity of Riverside 304 Comment
  RSA586731  Papaver californicum D. L. Banks, S. D. Boyd 1995-5-17 454 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  UCR214015  Parietaria hespera A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37793 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
  CAS-BOT-BC413395  Parietaria hespera var. hespera Walter W. Zabriskie 1973-2-21 124 Riverside Pipistrelle Canyon, Deep Canyon drainage, N slope Santa Rosa Mtns. 426 Comment
  POM14163  Parietaria hespera var. hespera Philip A. Munz, D. D. Keck 1922-4-9 4783 Riverside Vicinity of Corn Springs, Chuckwalla Mountain, Colorado Desert. 457 Comment
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Apr 5 2011
  RSA621901  Parietaria hespera var. hespera Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-11 2905 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 396 Comment
  UC495207  Parietaria hespera var. hespera Philip A. Munz 1932-3-14 12011 Riverside Magnesia Canyon; Coachella Valley 91 Comment
  JOTR34331  Parkinsonia florida Andre, Jim 2012-4-11 20837 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  RSA0107430  Parkinsonia florida Duncan S. Bell 2009-8-15 422 Riverside West side of the Arica Mountains. 323 Comment
  SEINET7907883  Parkinsonia florida D. A. Johnson 2005-1 Riverside Between Coachella & S entrance to Joshua Tree Nat'l Park, S of I-10 914 Comment
  UCR87648  Parkinsonia florida A. C. Sanders 1994-6-1 14621 Riverside Sonoran (Colorado) Desert, Box Canyon in the Mecca Hills, c. 4.5 mi below Shaver's Well, 12 mi southwest of the Box Canyon Road intersection with Hwy I-10 150 Comment
  PASA212  Parosela emoryi Florence Brubaker Riverside Thousand Palms Comment
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Mar 23 2019
  UCR163874  Pectis papposa B. G. Pitzer 2000-11-4 4242 Riverside Sonoran (Colorado) Desert, north side of the Chuckwalla Mtns., Eagle Mountain Rd. 0.8 mi. south of Hwy I-10 at and around powerline road, c. 3.5 mi. WSW of Desert Center 402 Comment
  SD255104  Pectis papposa var. papposa Sarah J. De Groot, Amy Rouillard 2015-9-15 7571 Riverside For Dry Lake, Chuckwalla Valley, north of I-10. Mud flat with some standing water at south edge of dry lake bed. 106 Comment
  RSA0107903  Pectocarya heterocarpa Duncan S. Bell, Thomas Stoughton 2010-3-19 578 Riverside West side of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.5 air miles west of Priest Well. 418 Comment
  SD127609  Pectocarya heterocarpa David Charlton 1988-2-18 1147 Riverside Alluvial fan, Fargo Canyon Road to Cottonwood Wash, south of Joshua Tree National Park,1 mile east of junction Dillon Road and Fargo Canyon Rd 609 Comment
  UCR89890  Pectocarya heterocarpa A. C. Sanders, E. J. Lawlor 1992-4-4 12117 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  SEINET272156  Pectocarya penicillata A. C. Sanders 1997-3-1 19754 Riverside Box springs Mountains: E side of Pigeon Pass Valley ca. 1/2 mile NW of Lawless Ranch E of Hidden Springs Rd. intersecti 579 Comment
  UC1543028  Pectocarya penicillata Donald G. Nelson 1936-5-24 416 Riverside just n Lake Hernet (nw of Thomas Mtn, on Pine to Palms Hwy); San Jacinto Mountains, east slope, Hurky Creek Camp Comment
  UCSB5632  Pectocarya penicillata Hutt, D. 1960-3-20 Riverside Junction of Wilson Valley Rd. and Cahucila Rd.; 4 mi. N of Aguanga; Pacific Slope Drainage Area 396 Comment
  UC1287156  Pectocarya recurvata C. L. Hitchcock 1966-3-16 24180 Riverside 1/4 mi w Aguanga Comment
  UCD120134  Pectocarya recurvata Geoffrey Levin 1976-3-27 688 Riverside Chino Canyon, west of Palm Springs, alluvial fan of the San Jacinto Mountains. 396 Comment
  UCR218471  Pectocarya recurvata Jim Andre, T. La Doux 2009-3-10 11254 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  JOTR01189  Pectocarya recurvata Cole, James E. 1941-3-30 446 Riverside Joshua Tree National Park. PINTO BASIN 457 Comment
  RSA80839  Pedicularis semibarbata Peterson Ewan 1930-9-1 2168 Riverside Rock fissures near Summit of Mount San Jacinto 3294 Comment
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Jul 6 2010
  RSA0030780  Pedicularis semibarbata N. C. Cooper 1944-6-17 1409 Riverside San Jacinto Mtns. Pine Cove. 1677 Comment
  UCR95208  Pelargonium X hortorum D. L. Banks, E. H. Banks 1996-5-2 955 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
  UCSB30934  Pellaea andromedifolia Parker, V. 1974-4-5 Riverside Hemet city limits, E side of Hwy 74 365 Comment
  UCR225215  Pellaea mucronata T. B. Salvato, Matt Malle, Tim Searl 2011-4-19 5162 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
  SBBG56255  Pellaea mucronata var. californica R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2286 Comment
  UCR239595  Pennisetum setaceum Lynn Sweet 2010-3-12 s.n. Riverside Peninsular Range/Sonoran (Colorado) Desert, Santa Rosa Mountains, UC Boyd Deep Canyon Reserve, Coyote Canyon 302 Comment
  UC454143  Penstemon X parishii I. J. Condit 1910-6-24 Riverside road to Idyllwild lower foot hills San Jacinto Mts. (lower foot hills San Jacinto Mts.) Comment
  SDSU10926  Penstemon bridgesii M. De Lisle 1962-7-28 19 Riverside Hwy 74 at the malibox to Mt. Baldy Ranch Camp Grounds. 1356 Comment
  NY583821  Penstemon centranthifolius R. M. Straw 1953-6-5 446 Riverside 0.2 mile west of Palms to Pines Highway on road to Anza Comment
  RSA560408  Penstemon centranthifolius Steve D. Boyd 1992-4-15 6882 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  UC397415  Penstemon eatonii var. undosus P. A. Munz 1921-5-1 4541 Riverside Pinyon Wells Pinyon Wells (Southern California) 1219 Comment
  RSA408448  Penstemon grinnellii M. B. Dunkle 1933-7-21 s.n. Riverside Idyllwild. 1616 Comment
  UC27466  Penstemon labrosus H. M. Hall July, 1901 2506 Riverside vicinity Strawberry Valley (San Jacinto Mountains, Southern California); San Jacinto Mountains, vicinity Strawberry Valley 1584 Comment
  UCR17522  Penstemon labrosus Frank C. Vasek 1979-7-26 s.n. Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  RSA0014855  Penstemon rostriflorus Philip A. Munz, I. M. Johnston 1924-7-27 8775 Riverside Dark Canyon, San Jacinto Mts. 2439 Comment
  UCR121885  Penstemon spectabilis Ian G. Gillespie 2001-5-7 87 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as the Sycamore Canyon Area. In a sandy wash at the north east corner of the intersection of Indian Truck Tr. and De Palma Rd. Associated species: Cryptantha microstachys, Hirschfeldia incana, Amsinckia menziesii. 366 Comment
  UCR4114  Penstemon spectabilis Ronald M. Cope 1965-5-3 s.n. Riverside Riverside, on E side of road between Pigeon Pass Rd. and 'Big C', about 0.5 mi from 'C' 610 Comment
  SD138000  Pentagramma triangularis Darin L. Banks, Steve Boyd 1995-3-15 64 Riverside Northwest Palomar Mountains, Agua Tibia Wilderness Area, north face Agua Tibia Mountain, Dorland Mountain area Comment
  UCSB62280  Pentagramma triangularis subsp. maxonii Keifer, L. 1963-3-23 Riverside San Jacinto Mtns., Tahquitz Cyn., ca. ; 1 1/2 miles above falls 457 Comment
  SEINET9259737 Image available Pentagramma triangularis subsp. triangularis George K. Helmkamp, Amy Barnes 2013-1 22311 Riverside Sierra Nevada Mountains Foothills: Utica Powerhouse Road (beside Angel's Creek), 0.6 mile northeast of its junction with CA-4 (Murphys 7.5 Q) 974 Comment
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Apr 12 2018
  SEINET9628508 Image available Pentagramma triangularis subsp. triangularis C. J. Rothfels, M. D. Windham, J. Beck, A. L. Grisz, E. Schuettpeltz, K. Pryer 2008-5-14 2558 Riverside San Jucinto Mountains, San Bernardino National Forest, South Fork Canyon, south side of Hwy 74, approx. 5.5 km west of Mountain Center (as the crow flies). 651 Comment
  RSA0070718  Pentagramma triangularis subsp. triangularis Steve Boyd, Aydee Virgen 2004-4-13 10893 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  CAS-BOT-BC77484  Peritoma arborea var. angustata E. A. McGregor 1917-3-19 716 Riverside Indio Sands Comment
  JOTR35352  Peritoma arborea var. angustata Andre, Jim 2012-4-11 20704 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
  CAS-BOT-BC77531  Peritoma arborea var. arborea L. S. Rose 1927-2-3 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC355990  Perityle emoryi J. Cole 1942-5-19 971 Riverside Ruby Lee Mill Site, Joshua Tree National Monument 914 Comment
  RSA0026197  Perityle emoryi J. Andre 2013-3-4 23875 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 miles west of Hwy 95, approx 12 miles south of Vidal Junction. 127 Comment
  SBBG8655  Perityle emoryi H. and M. Dearing 1937-4-10 3868 Riverside near Shaver's Well Comment
  SEINET10309002 Image available Perityle emoryi Deirdre Conocchioli, Duncan S. Bell 2014-3-17 203 Riverside Off south end of Hidden Springs Road, south of I-40 and Barstow-Daggett Airport exit, north/northwest foot of Newberry Mountains and Daggett and Newerry Springs. 186 Comment
  UC170155  Perityle emoryi E. E. Schellenger 1894-12-3 104 Riverside Churckawalla Wash, Colorado Desert Comment
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Sep 15 2016
  UCR103554  Perityle emoryi George K. Helmkamp 1998-1-17 2539 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  HSC80299  Persicaria punctata Steve Boyd 1985-7-23 1014 Riverside 8 mi. W of Rancho California, Sandia Creek 305 Comment
  RSA445146A  Petalonyx linearis Fordyce Grinnell Jr. 1921-3-23 17834 Riverside Deep Canyon, Santa Rosa Mts. Comment
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Nov 19 2011
  RSA0065563  Petalonyx linearis Peter Gail 1961-5-6 s.n. Riverside Palms to Pines Highway. Comment
  CLARK-A1656-878  Petalonyx thurberi Jim Cornett 1977-6-25 Riverside Desert Hot Springs 396 Comment
  HSC47320  Petalonyx thurberi R. W. Spjut, Judy Adams 1978-11-22 5237 Riverside Colorado Desert, N of N Palm Springs along Indian Ave. 0 Comment
  RSA0107431  Petalonyx thurberi Duncan S. Bell 2009-8-15 423 Riverside West side of the Arica Mountains. 323 Comment
  UCR72192  Petalonyx thurberi Theo Glenn 1991-5-2 91- 127 Riverside Sonoran (Colorado) Desert, Arica Mtns., SW of Rice 340 Comment
  SD229205  Petalonyx thurberi subsp. thurberi Dick Schwenkmeyer 2012-11-6 860 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  POM13423  Petunia parviflora Philip A. Munz, I. M. Johnston 1922-5-5 5156 Riverside Mystic Lake, near Moreno. Comment
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Mar 20 2011
  UCR92284  Petunia parviflora Scott D. White, Steve Ogg 1994-10-17 2462 .1 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  POM178398  Peucephyllum schottii Marcus E. Jones 1930-4-1 25939 Riverside Shaver's Well Comment
  RSA651687  Peucephyllum schottii Viki Cruz 1983-5-8 002 *k Riverside Collected on a rocky hillside of the North facing slope just inside Magnesia Canyon,Santa Rosa Mountains. Comment
  RSA676281  Peucephyllum schottii Scott D. White 2001-4-3 8241 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SEINET7248273 Image available Peucephyllum schottii Duncan S. Bell, LeRoy Gross 2014-1 6241 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  UC831588  Peucephyllum schottii E. C. Jaeger 1922-3-18 1028 Riverside near Mecca; Painted Canyon Comment
  UCR148860  Peucephyllum schottii 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
  SEINET10875353  Peucephyllum schottii A. K. Evans 1976-4-13 Evans 5212 Riverside Desert canyons of Santa Rosa Mountains. Comment
  RSA234102  Phacelia ambigua Robert F. Thorne, R. Carolin 1967-3-21 41632 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  RSA699141  Phacelia ambigua J. R. Bruff 1927-3-13 s.n. Riverside Edom Comment
  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
  RSA0042496  Phacelia brachyloba Ed Kentner, Onkar Singh 2014-4-4 365 Riverside Cleveland National Forest, near Main Divide Road approx. 2 km southeast of Ortega Hwy 843 Comment
  RSA769029  Phacelia brachyloba E. W. Lathrop 1968-5-30 6939 Riverside Main divide truck trail between El Carriso and Santiago Peak; Cleveland National Forest 1220 Comment
  RSA314657  Phacelia campanularia Robert F. Thorne, Mrs. Raymond Fosberg, Derral Herbst, M. H. Sachet 1983-4-23 55493 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA427709A  Phacelia campanularia Ora M. Clark 1929-2-23 1551 Riverside N. Whitewater. Comment
  POM250359  Phacelia campanularia subsp. vasiformis I. W. Clokey 1935-4-17 6839 Riverside Cottonwood Springs Comment
  RSA160528  Phacelia campanularia subsp. vasiformis J. D. Olmsted 1958-3-29 83 Riverside 24 miles N of Jct between Cottonwood Pass and Cottonwood Spring Roads, Joshua Tree. 991 Comment
  HSC95252  Phacelia ciliata D. E. Bramlet 2000-5-9 3024 Riverside San Jacinto River; the site is 457 m S of San Jacinto Avenue and 1.1 km north of Ellis Ave and just W of the river Comment
  JEPS2239  Phacelia crenulata var. ambigua Marjorie D. Clary 1932-3-15 1605 Riverside 12 mi sw Indio (foot of mts.); Colorado Desert, Santa Rosa Mts. 91 Comment
  UC881059  Phacelia crenulata var. ambigua Lewis S. Rose 1937-4-9 36133 Riverside Palms to Pines Hwy 15 mi w Indio 838 Comment
  RSA182345  Phacelia distans J. D. Olmsted 1962-5-2 3440 Riverside Flat by saddle just N of highest part of Box Spring Mountains 762 Comment
  SD178224  Phacelia distans A. C. Sanders 2004-5-12 27861 Riverside Elsinore Basin Region: Walker Canyon at north foot of Alberhill Mountain, Temescal Creek. In open area on gentle slope at foot of hills. 377 Comment
  SD217310  Phacelia distans Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 938 Riverside Northwest Palomar Mountains; northwest foothills of Dorland Mountain, south end of Los Caballos Road, University of California-Emerson Oaks Reserve. 448 Comment
  UC1929843  Phacelia distans Scott D. White 2001-4-3 8271 Riverside COLORADO DESERT: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. Comment
  UCR117712  Phacelia distans Mitch Provance 1998-6-11 681 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  UCR202041  Phacelia distans Denise Woodard, Gilbert Goodlet 1997-3-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  UCR269765  Phacelia distans A. C. Sanders, Jim Malusa 2016-3-18 42367 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  JEPS1111  Phacelia imbricata subsp. patula Carl V. Meyer 1928-7-30 592 Riverside Saunders Meadow San Jacinto Mts. 1706 Comment
  UC1400321  Phacelia imbricata subsp. patula Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38100 Riverside above James Reserve; San Bernardino National Forest, San Jacinto Mts., Hall Canyo 1676 Comment
  UCR174314  Phacelia minor A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32556 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
  UCR260850  Phacelia minor A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41416 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UCR274288  Phacelia minor T. B. Salvato, Melissa Clemons 2005-6-6 1414 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  UCR44211  Phacelia minor A. C. Sanders 1986-6-1 6560 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  RSA427703B  Phacelia minutiflora E. C. Jaeger 1922-3-29 745 Riverside Chuckwalla Valley Comment
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May 29 2011
  SDSU13319  Phacelia parryi Ryan Jacobson, Jeremy Mass 2000-4-19 13 Riverside On banks of Stone Creek, Santa Margarita Ecological Reserve, along jeep trail going from south-side facility to north-side facility. About 1.5 miles from south-side facility. 183 Comment
  UCR277765  Phacelia ramosissima Mitch Provance 2011-7-29 17041 Riverside Santa Ana River Valley, Santa Ana River Wash, area between Market St. and the 60 Freeway 244 Comment
  RSA650562  Phacelia ramosissima var. latifolia Jeanne Bellemin 1969-5-24 s.n. Riverside Idylwild to Banning. 976 Comment
  POM3757  Phacelia tanacetifolia P. A. Munz 1918-4-27 2155 Riverside Near Corona. Comment
  RSA192233  Phalaris minor E. W. Lathrop 1966-5-11 6282 Riverside 3 miles SW of Murrieta on the De Luz Road, first canyon to the right of the road. Comment
  UCR135823  Phalaris paradoxa A. C. Sanders, Guy Bruyea 2004-4-2 27449 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  SEINET186318 Image available Philadelphus microphyllus var. stramineus Philip A. Munz 1938-1 15392 Riverside Ridge east of Toro Peak, Santa Rosa Mountains. 2438 Comment
  RSA0057662  Philadelphus microphyllus var. stramineus P. A. Munz 1924-7-27 8762 Riverside North side of high rock. Dark Canyon, San Jacinto Mts. 2409 Comment
  RSA0034087  Phoenix canariensis Duncan S. Bell 2013-1-30 4446 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the southwest of Mecca Hills peak 1642. 103 Comment
  UCR135813  Pholistoma auritum A. C. Sanders, Guy Bruyea 2004-4-2 27444 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  UCD102027  Phoradendron bolleanum Steve Boyd 1985-12-14 1193 Riverside Gavilan Hills, Harford Springs County Park. Comment
  OBI12436  Phoradendron californicum Tracey & Viola Call, Viola Call 1962-4-6 2113 Riverside 3 mi NW of Desert Hot Springs Comment
  UCR48550  Phoradendron californicum J. Glazner 1985-3-25 s.n. Riverside Sonoran (Colorado) Desert, Morongo Canyon, 5 mi. NW of Desert Hot Springs and just west of the Hwy 62-Indian Ave. junction 610 Comment
  UCR96817  Phoradendron californicum Bern Schwenn 1994-4-1 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mountains, Hayfield Spring on the south side of the range. 700 Comment
  SD137586  Phoradendron macrophyllum Darin L. Banks, Steve Boyd 1995-10-17 823 Riverside NW Palomar Mountains; Agua Tibia Mountains, Cleveland National Forest, Dripping Springs Campground 487 Comment
  JOTR36414  Phoradendron serotinum subsp. tomentosum La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3360 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  UC6088  Phoradendron villosum Mrs. Gregory 1890-1 Riverside at San Jacinto San Jacinto Comment
  RSA0020378  Phragmites australis Duncan S. Bell, Keir Morse 2013-3-30 4664 Riverside A small hidden spring in an unnamed canyon to the east of Snow Canyon, about 1.8 air miles southwest of Windy Point. 482 Comment
  RSA663919  Physalis crassifolia C. R. Annable 1995-3-15 2285 Riverside 2.7km SW of Valerie on road to Martinez Canyon. Comment
  UCR103308  Physalis crassifolia George K. Helmkamp 1998-4-4 3166 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
  UCR159761  Physalis crassifolia Scott D. White 1999-4-20 7273 Riverside Colorado River Valley, Blythe area, Southern foothills of the Big Maria Mtns, NW of Calif. Hwy 95, c. 7 road mi N of the junction of Hwy 10 and Intake Blvd in Blythe 137 Comment
  CAS-BOT-BC506667  Physaria tenella A. C. Sanders; Jim Malusa 2015-3-11 41395 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, Gasline Road at jct with road to Observation Point Slats, US Navy Chocolate Mtns Aerial Gunnery Range 723 Comment
  IRVC2816  Pinus flexilis R. H. Whittaker, W. A. Niering 1963-6-13 SJ 466 Riverside Near summit of Jean Peak just S of San Jacinto Peak. San Jacinto Mtns. 3201 Comment
  UCSB69  Pinus jeffreyi Bobkowski, Jr., Vincent 1960-5-15 Riverside 5.2 miles north of Idyllwild on Road to banning in the San Jacinto Mountains; San Bernardino National Forest Comment
  CAS-BOT-BC73140  Pinus lambertiana S. B. Parish; W. F. Parish 1881-1-1 383 Riverside San Jacinto Mts. Comment
  UCSB82  Pinus lambertiana Waian, Lee 1960-5-14 Riverside At the top of Black Mtn. at the Black Mtn. campground; San Jacinto Mtns., about 15 miles from Banning on road to Idyllwild 2133 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
  RSA0077534  Pinus monophylla G. Wallace 1964-4-26 s.n. Riverside San Jacinto Mountains. Comment
  CAS-BOT-BC72837  Pinus quadrifolia B. D. Stark 1931-8-29 1324 Riverside Vandeventer Flat, San Jacinto Mts. 1371 Comment
  UCSB152  Pinus quadrifolia Haller, Norman 1953-5-24 Riverside Hwy. 74, Vandeventer Flats, 5 miles W. of Pinyon Flats, San Jacinto Mts. 1524 Comment
  UCR95717  Piptatherum miliaceum D. L. Banks, V. W. Steinmann 1996-4-20 0896 Riverside Peninsular Range; Agua Tibia Mtns, NW Palomar Mtns; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California- Emerson Oaks Reserve 537 Comment
  UCR98064  Pistacia atlantica A. C. Sanders 1997-3-1 19727 Riverside Riverside: E side of University of California campus. 335 Comment
  UCR90960  Pityrogramma triangularis var. triangularis Scott D. White 1996-3-16 3832 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  SEINET3084181 Image available Plagiobothrys arizonicus Andrew C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16286 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert; San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 335 Comment
  RSA645533  Plagiobothrys canescens Scott D. White 1993-3-12 1137 Riverside San Jacinto Valley: Perris Valley Pipeline. 439 Comment
  UCR213281  Plagiobothrys canescens A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37694 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  CAS-BOT-BC523904  Plagiobothrys collinus A. C. Sanders 2012-4-12 40023 Riverside Peninsular Range; Santa Ana Mountains region: Temescal Canyon, along Temescal Canyon Rd., between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd 314 Comment
  POM184249  Plagiobothrys collinus var. californicus P. A. Munz 1932-3-24 12018 Riverside Corona 366 Comment
  UCR267159  Plagiobothrys collinus var. californicus Mitch Provance, Matt Amalong 2015-3-25 315- 19 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  RSA0042972  Plagiobothrys collinus var. fulvescens A. C. Sanders, Timothy W. Chumley 2013-4-2 40735 Riverside Temescal Canyon at west side of Horsethief Canyon Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 390 Comment
  SEINET998504  Plagiobothrys collinus var. fulvescens Mitch Provance 2003-1 9895 Riverside Santa Ana River Valley: Northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just S of Crestlawn Memorial Cemetery. 274 Comment
  RSA0013701  Plagiobothrys collinus var. ursinus LeRoy Gross, Grace Cho 2013-4-9 5996 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  POM213630  Plagiobothrys leptocladus P. A. Munz 1941-5-18 16650 Riverside About 15 miles northeast of Temecula. Comment
  UCR97273  Plagiobothrys leptocladus Scott D. White 1993-4-30 1325 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  RSA496459  Plagiobothrys tenellus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-31 3075 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  RSA508002  Plagiobothrys tenellus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2306 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  UCR179202  Plagiobothrys tenellus T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 135 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  UCR20739  Plagiobothrys tenellus A. C. Sanders, Steve Boyd 1980-5-2 1407 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR97458  Plagiobothrys tenellus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19876 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA615041  Plantago erecta A. C. Sanders 1997-3-1 19740 Riverside Riverside, box Springs Mtns, S end of the range along Gernert road (dirt), in valley draining to Box Spring Canyon 457 Comment
  UC173743  Plantago erecta T. S. Brandegee Apr 1901 Riverside Colorado Desert Comment
  JOTR35285  Plantago ovata Andre, Jim 2012-4-11 20779 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  UCR167296  Plantago ovata Scott D. White 2005-3-29 10827 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
  UCR167423  Plantago ovata 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
  RSA68989  Plantago ovata var. fastigiata F. W. Peirson 1914-04 s.n. Riverside Whitewater at head of Coachella Valley. Comment
  SBBG99819  Plantago ovata var. fastigiata W. L. Halvorson 1977-2-15 77 -31 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  JEPS3566  Plantago patagonica Rimo Bacigalupi 1952-4-2 3605 Riverside off Palm Canyon, at mouth of Andreas Canyon, lower slopes of Mount San Jacinto Mount San Jacinto, Andreas Canyon Comment
  RSA445715  Platystemon californicus Frances L. Cramer 1941-5-3 26317 Riverside Joshua Tree National Monument Comment
  UC1537343  Platystemon californicus Gordon H. True Jr. 1935-2-26 16 Riverside Mockingbird Canyon Comment
  POM284732  Plectritis ciliosa subsp. insignis Lyman D. Benson 1932-3-26 3180 Riverside Temecula Grade. Temecula Valley. 549 Comment
  SEINET3817958 Image available Plectritis macrocera Marcus E. Jones 1882-4-24 3167 Riverside San Jacinto Comment
  RSA775945  Pleuraphis rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 955 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  UC724190  Pleuraphis rigida Aven and Ruth Nelson 1939-3-30 3342 Riverside Hiway 60 near Desert Center Comment
  RSA0030740  Pleuraphis rigida Bonnie C. Templeton 1930-4-9 1009 Riverside North of Palm Springs. Colorado Desert. 305 Comment
  RSA336419  Pleurocoronis pluriseta R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52050 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  UC166734  Pleurocoronis pluriseta S. B. Parish 1907-4-17 6083 Riverside Palm Springs, Colorado Desert Comment
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Oct 18 2016
  UCR60788  Pleurocoronis pluriseta Steve Boyd, O. Mistretta 1986-3-13 1482 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  POM98792  Pluchea odorata P. A. Munz 1926-1-31 9980 Riverside Dos Palmos [Palmas] Spring. Comment
  SEINET2053973 Image available Pluchea sericea Heather Johnston 1967-5-16 51667 Riverside Salton Sea State Park. 0.9 miles South of entrance on CAL 111. Where creek crosses road 45 Comment
  SEINET10801072  Pluchea sericea David B. Dunn, A. Folsom 1948-6-17 Dunn 3811 Riverside Above quad one. At camp in Pushawalla Canyon under palms. Comment
  UCR20927  Poa annua A. C. Sanders 1978-7-5 894 Riverside San Jacinto Mountains, James Reserve, near head of Lake Fulmor at the mouth of Indian Creek 1616 Comment
  POM10498  Poa annua Anonymous 1909-03 s.n. Riverside Chicago Ave. Comment
  RSA0013700  Poa bulbosa subsp. vivipara LeRoy Gross, Grace Cho 2013-4-9 5998 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  SD136949  Poa secunda Steve Boyd 1992-4-14 6835 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. Western flank of Bluewater Cyn along Bluewater Trail. 341 Comment
  UCR62864  Polygala cornuta var. fishiae Scott D. White 1990-6-16 s.n. Riverside Santa Ana Mtns, Cleveland National Forest, private land just inside the Forest boundary; E wall of Hagador Canyon, near the mouth of the canyon 400 Comment
  RSA554280  Polygonum argyrocoleon Scott D. White 1992-2-25 92 -11 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  UCR91950  Polygonum argyrocoleon George K. Helmkamp 1996-3-11 1002 Riverside Sonoran (Colorado) Desert, Colorado River Valley, 35th Avenue and California Hwy 78, 1.7 mi north of PaloVerde 72 Comment
  UCR82834  Polygonum lapathifolium A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15812 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  SEINET6050850  Polygonum ramosissimum Unknown 1955-6-10 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  SBBG61494  Polygonum sawatchense R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2438 Comment
  IRVC3039  Polypodium californicum R. H. Whittaker, W. A. Niering 1963-6-6 SJ 183 Riverside Bee Canyon; San Jacinto Ridge Road. San Jacinto Mountains 701 Comment
  POM20514  Polypodium hesperium E. C. Jaeger 1923-6-28 s.n. Riverside Long Valley, San Jacinto Mountains 2590 Comment
  JOTR16788  Polypogon monspeliensis Moore, Sue 1967-5-3 s.n. Riverside Joshua Tree National Park. WHITE TANK 1219 Comment
  RSA799069  Polypogon monspeliensis Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6865 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  UCSB40899  Polypogon monspeliensis Roos, John 1939-5-13 Riverside La Sierra Comment
  RSA129716  Polypogon viridis H. S. Yates 1937-6-27 6705 Riverside Near Relief Hot Spring. 457 Comment
  RSA802251  Polystichum imbricans Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4997 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  IRVC160  Polystichum imbricans subsp. curtum R. H. Whittaker, W. A. Niering 1963-6-6 SJ 225 Riverside San Jacinto Ridge Road (5509) N Fork San Jacinto River. Peninsular Ranges, San Jacinto Mountains 1311 Comment
  POM50391  Populus fremontii W. W. Eggleston 1924-3-10 19543 Riverside San Jacinto Station, Cleveland Forest 600 Comment
  JEPS64524  Populus fremontii subsp. fremontii W. L. Jepson 1928-4-25 12590 Riverside Colorado Desert, Cottonwood Spring Cottonwood Spring; Colorado Desert, Cottonwood Spring 731 Comment
  SD233936  Populus fremontii subsp. fremontii LeRoy Gross, Bart OBrien 2013-3-18 5951 Riverside Coastal Plains & Basins; San Bernardino Basin region: Fairmount Park, west side of Lake Evans, Riverside, NE of Mount Rubidoux (Riverside West 7.5'Q). 238 Comment
  POM121859  Porophyllum gracile Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Colorado Desert. Comment
  UCR60520  Porophyllum gracile Steve Boyd 1985-7-23 1044 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 3.5 mi west of the junction with Tenaja Trail Comment
  UC1446193 Image available Portulaca oleracea subsp. papillatostellulata A. Danin 1978-3-13 Riverside Palm Springs, Riverside Co. Comment
  JEPS396  Potamogeton diversifolius Carl V. Meyer 1928-7-27 567 Riverside Hidden Lake; San Jacinto Mountains 2651 Comment
  UCR20507  Potamogeton diversifolius F. M. Reed 1908-7-12 2515 Riverside San Jacinto Mtns., Margin of Lake Surprise [=Hidden Lake] 2744 Comment
  RSA286792  Potamogeton pusillus Robert F. Thorne 1974-5-23 44680 Riverside Santa Rosa Plateau, Rancho California; grassland area E of Redonda Mesa 610 Comment
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Apr 27 2011
  SEINET10543381  Potentilla David B. Dunn 1946-8-16 Dunn 2672 Riverside Open dry trail soil by jolly springs. San jacinto mts Comment
  SEINET9291376  Potentilla glandulosa Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  POM366544  Potentilla glandulosa var. nevadensis M. B. Dunkle 1933-7-22 3747 Riverside Tahquitz Valley. 2317 Comment
  SBBG16213  Proboscidea althaeifolia L. Rowntree 1937-11-4 Riverside near Corn Springs Comment
  UCR101278  Prosopis glandulosa L. C. Wheeler 1961-10-8 7933 Riverside Peninsular Range, Temescal Canyon at Dawson Canyon Fire Road. Comment
  UCR279369  Prosopis glandulosa subsp. torreyana A. C. Sanders, Jim Malusa 2017-3-24 42972 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 723 Comment
  POM2528  Prosopis glandulosa var. torreyana Marjorie Shaw 1916-03 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  SD146263  Prosopis glandulosa var. torreyana A. C. Sanders, S. D. Boyd, Mitch Provance 1999-7-14 23075 Riverside San Bernadino Valley: Colton Dunes, dune remnant on Slover Ave between Pepper Ave and the tank farm, 1 miles w of Slover Mountain 320 Comment
  UCR123756  Prosopis glandulosa var. torreyana Steven R. Hill 2001-4-29 33543 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  CSUSB949  Prosopis juliflora Steven M. Chambers 1970-4-12 Riverside On rocky hillside near bottom station of the Palm Springs Aerial Tramway, Chino Canyon. 761 Comment
  CAS-BOT-BC216520  Prosopis pubescens Annetta Carter 1938-7-16 1430 Riverside 3 miles E of Blythe, Palo Verde Valley 76 Comment
  JEPS65606  Prosopis pubescens Marjorie D. Clary 1932-5-29 2427 Riverside Coral Reef Ranch; Colorado Desert, Coachella Valley -13 Comment
  RSA453217  Prunus emarginata N. C. Cooper 1945-5-24 1665 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UC519873  Prunus fasciculata N. Dunn, A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Spring Comment
  CAS-BOT-BC158296  Prunus fasciculata var. fasciculata Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-9 386 Riverside 10' south of Hwy 74 between [Sugar Loaf] Sugarloaf Cafe and entry gate to service road. Deep Canyon watershed, north slope Santa Rosa Mountains 1219 Comment
  CAS-BOT-BC151114  Prunus fremontii Walter Knight; Irja Knight; Fred Klein 1969-3-31 2651 Riverside Ca. .2 mi. up Carrizo Rd. from Pines to Palms Hwy. 1097 Comment
  CAS-BOT-BC151117  Prunus fremontii Nancy Ryan Zabriskie; Walter Zabriskie 1969-4-2 186 Riverside Andreas Canyon near Palm Springs, trail toward Eagle Peak 670 Comment
  JOTR29378  Psathyrotes ramosissima La Doux, Tasha, Mike Bell 2006-5-10 1455 Riverside Joshua Tree National Park. East Deception Canyon Comment
  POM358759  Pseudognaphalium biolettii N. R. Zabriskie 1974-3-27 694 Riverside N side canyon downstream from 'Big Pool' Andreas Canyon, N slope San Jacinto mts 335 Comment
  SDSU21848  Pseudognaphalium biolettii Lindsay Rubin, Stephanie Castillo 2016-4-16 5 Riverside On the north side of the Santa Margarita River at the end of a downhill dirt road under tree coverage. Santa Margarita Ecological Reserve. 238 Comment
  UCR174127  Pseudognaphalium biolettii A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32633 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCSB38387  Pseudognaphalium californicum Ferro, Margaret 1970-5-20 Riverside 1/2 mile west of Riverside city dump 457 Comment
  JOTR35159  Pseudognaphalium canescens Harding, Mitzi, T. Herskovits 2011-9-14 158 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1304 Comment
  JOTR35207  Pseudognaphalium canescens Harding, Mitzi, Tasya Herskovitz 2011-4-28 184 Riverside Joshua Tree National Park. Lost Horse Road; east of road, large rocky drainage on backside of Hemingway Buttress formation 1243 Comment
  SEINET10914958  Pseudognaphalium microcephalum David B. Dunn 1947-10-9 Dunn 3522 Riverside Joshua Tree National Monument at campground area by Hidden Valley. Comment
  RSA393771  Psilocarphus brevissimus Robert Gustafson, Gary D. Wallace 1983-6-23 2713 Riverside Mesa de Burro, Santa Rosa region, Santa Ana Mts. 701 Comment
  RSA581690  Psilocarphus tenellus var. globiferus B. Leatherman 1995-5-4 s.n. Riverside Base of low hills south of Winchester in roadside ditch along west side of Highway 79, about 1/4 mile north of intersection with Newport Road 463 Comment
  RSA713575  Psilocarphus tenellus var. globiferus R. E. Riefner Jr. 2005-4-20 05 -238 Riverside SE ca. 0.5 mi from end of California Ave. off Florida Ave. (Hwy 74), and N of Stetson Ave. 463 Comment
  POM259739  Psilostrophe cooperi E. C. Jaeger 1939-12-16 s.n. Riverside Chuckawalla Springs 183 Comment
  UC64820  Psilostrophe cooperi E. E. Schellenger 1904-10-19 24 Riverside Chuckawalla Bench Colorado Desert Comment
  RSA403978  Psorothamnus arborescens var. simplicifolius Robert Gustafson 1980-5-5 1573 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash. 610 Comment
  UCR194224  Psorothamnus arborescens var. simplicifolius Scott D. White, Angelia Carey 2004-6-4 10479 A Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR215634  Psorothamnus arborescens var. simplicifolius Bao Doan 2010-5-31 10 Riverside Western edge of Sonoran (Colorado) Desert, San Gorgonio Pass, Cabazon, Elm St. at San Gorgonio River wash crossing 473 Comment
  CAS-BOT-BC353633  Psorothamnus emoryi D. E. Breedlove 1961-9-11 1257 Riverside 20 miles W of Blythe 106 Comment
  JEPS41730  Psorothamnus emoryi W. L. Jepson 1927-4-14 11697 Riverside Colorado Desert, Silent Canyon, foothills SE end Santa Rosa Mts. 304 Comment
  UC68506  Psorothamnus emoryi H. M. Hall Apr. 1905 5949 Riverside McCoy Wash , McCoy Wash (Colorado Desert) 91 Comment
  UCR263503  Psorothamnus emoryi David Fraker, Aaron C. Sedgwick 2012-3-22 018 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  CAS-BOT-BC352323  Psorothamnus fremontii var. fremontii Raymond Lindholm 1961-4-17 s.n. Riverside White Water Canyon Comment
  CAS-BOT-BC340909  Psorothamnus schottii Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio Comment
  CAS-BOT-BC340912  Psorothamnus schottii David Dreyer 1971-4-3 196 Riverside West side of Salton Sea, west of Highway 89, 1 mile north of Salton City Comment
  CAS-BOT-BC340915  Psorothamnus schottii C. L. Hitchcock 1940-3-29 5849 Riverside Ca. 12 mi. east of Indio Comment
  UCSB3058  Psorothamnus schottii Yokoyama, Howard 1953-3-22 Riverside Morongo Canyon Comment
  POM68415  Psorothamnus spinosus Marcus E. Jones 1924-2-28 s.n. Riverside West of Blythe. Comment
  RSA561122  Pteridium aquilinum var. pubescens Steve Boyd, Timothy S. Ross, Dave Bramlet 1993-5-12 7313 Riverside Southern Santa Ana Mountains, Sant 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
  SBBG56227  Pteridium aquilinum var. pubescens M. Lewis 1947-8-26 18 Riverside San Jacinto Mtns 1981 Comment
  SD262303  Pterocarya stenoptera A. C. Sanders 2017-5-15 43206 Riverside Riverside, eastern side of UCR campus, in canyon below the uCR Botanic Garden, adjacent to parking area (Riverside East 7.5'Q) 340 Comment
  RSA567986  Pterostegia drymarioides Karin Cleary 1992-4-6 111 Riverside Near top of ridge W of California St, Hemet. 610 Comment
  SD262213  Pulicaria paludosa Mitch Provance 2012-8-1 812 4 Riverside Colorado Desert: Thousand Palms Canyon Road, A+- 2/3 of the way up into the canyon. (Myoma 7.5'Q) 139 Comment
  JOTR30779  Purshia tridentata var. glandulosa La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1889 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 7) Covington Flats near top of Smith Water Canyon 1365 Comment
  RSA39351  Quercus P. A. Munz 1946-10-21 11591 Riverside Live Oak Tank, Joshua Tree National Monument. 1220 Comment
  UCSB41270  Quercus X acutidens Cowan, Clark 1978-4-25 Riverside 6.7 mi (10.7 km) SW on 74 from jct w/ 71, 4.6 mi (7.3 km) from Lake Elsinore, Sta. Ana Mts. Cleveland Nat. Forest; Whittaker transect #W-229 Comment
  UCD105640  Quercus berberidifolia K. M. Meyer; A. Townesmith, T. Scott 2007-3-18 135 Riverside San Bernardino National Forest. San Jacinto Mountains. About 1.7 mi on Little Thomas Mtn. Rd., S of Lake Hemet, from Rt. 74. 1467 Comment
  UCR106910  Quercus berberidifolia D. L. Banks, Lauren Raz 1996-11-5 1165 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, SE of San Gabriel Church; along a newly established firebreak along a E facing ridge south of the Southern fork of Pechanga Creek 488 Comment
  UCR125768  Quercus berberidifolia A. C. Sanders, Lowell J. Bean, Pesach Lubinsky, et al 2003-1-10 25654 Riverside San Jacinto Mountains, Bautista Canyon, c. 3/4 mile above the Horse Canyon confluence, near beginning of Alessandro Trail 884 Comment
  UCR273006  Quercus berberidifolia Mitch Provance 2012-4-1 17428 Riverside Badlands of Western Riverside County, N side of San Timoteo Canyon Rd., about 4.5 mi WNW of intersection with I-10, N of old Haskell residence 646 Comment
  UCR94889  Quercus berberidifolia G. R. Ballmer, K. T. Stockwell 1996-9-22 s.n. Riverside Murrieta, Warm Springs Creek, SE of Hogbacks 366 Comment
  JEPS37668  Quercus cornelius-mulleri H. M. Hall May 17 1901-Jun 1 1901 1915 Riverside Van Deventer's Comment
  UCSB1108  Quercus cornelius-mulleri Haller, John 1960-5-15 Riverside At Vandeventer Flat, 3.3 mi. E of the junc. of the road to Anza on Calif. 74 1371 Comment
  CAS-BOT-BC79162  Quercus dumosa Rev. J. C. Nevin 1904-1-1 s.n. Riverside Temecula Comment
  UC500660  Quercus dumosa Aven Nelson 1930-3-1 11165 a Riverside Jack-rabbit Trail Banning Comment
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Mar 21 2011
  SEINET13953274 Image available Quercus dumosa Martha P. Creighton 1952-1 465 Riverside 12 mi. E. Hemet, sand and oaks 732 Comment
  SBBG89607  Quercus engelmannii A. C. Sanders, E. J. Lawlor 1988-10-22 8718 Riverside Pinyon Flat area; along Horsethief Crk where the trail from the Dolomite Mine crosses 1100 Comment
  UCR121651  Quercus engelmannii A. C. Sanders, Kent Beaman 2002-5-10 25047 Riverside Santa Ana Mtns., Santa Rosa Plateau, hills west of the head of De Luz Creek, 0.4 mi. south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral 671 Comment
  RSA751633  Quercus john-tuckeri G. Gust, L. Nye 2005-3-11 547 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  RSA654803  Quercus palmeri A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22291 Riverside San Jacinto Mtns: Santa Rosa Indian Reservation along Hwy 74, 4 miles E of Hwy 371 junction to Anza 1378 Comment
  UCD47104  Quercus palmeri Louis B. Ziegler 1969-10-12 s.n. Riverside Hemet Valley, San Jacinto Mts. Near the Kentworth Ranger Station. 1417 Comment
  UCSB1229  Quercus palmeri Haller, John 1960-5-15 Riverside Vandeventer Flat, 3.3 mi. E of the junc. of the road to Anza on Calif. 74 1371 Comment
  UCD47608  Quercus wislizeni Louis B. Ziegler 1969-10-24 s.n. Riverside Near Kenworthy Ranger Station, Hemet Valley, San Jacinto Mts. 1417 Comment
  UCD73482  Quercus wislizeni A. C. Sanders; T. Tennant 1997-11-14 21603 Riverside San Bernardino Mtns.: Morongo Indian Reservation, sag pond at SE end of Burro Flats. 1110 Comment
  POM49856  Quercus wislizeni var. frutescens P. A. Munz, I. M. Johnston 1924-7-29 8872 Riverside Above Poppet Flat, San Jacinto Mts. 1220 Comment
  RSA716342  Quercus wislizeni var. frutescens R. E. Riefner Jr. 2006-10-11 6 -530 Riverside E of Rainbow Canyon, N of Rainbow Heights, Termite's Hike Trail. 595 Comment
  RSA516898  Rafinesquia neomexicana Steve Boyd, Orlando Mistretta 1986-3-13 1417 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  RSA206503  Ranunculus aquatilis var. capillaceus E. W. Lathrop 1968-5-15 6883 Riverside 8 miles W of Murrieta; Redonda Mesa, Santa Rosa Plateau 610 Comment
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Jun 24 2012
  SD68980  Ranunculus aquatilis var. diffusus Robert F. Thorne, E. Lathrop, O. Clarke, S. Carlquist 1968-4-18 37457 Riverside Santa Rosa Plateau: vernal marsh on Mesa de Colorado, Rancho California 671 Comment
  SD232318  Ranunculus sceleratus Scott D. White, Justin M. Wood 2008-7-9 12441 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Pond, creek, and adjacent uplands. 1426 Comment
  RSA0013140  Ranunculus sceleratus var. sceleratus LeRoy Gross, Caitlin Elam 2013-5-14 6073 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCD115209  Raphanus sativus E. W. Lathrop 1966-3-30 6126 Riverside Main Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1219 Comment
  UCR24944  Rhamnus californica A. C. Sanders 1980-7-18 1642 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  CLARK-A1528-3907  Rhamnus crocea JOhn C. Roos 1952-2-29 5378 Riverside Reche Canyon 457 Comment
  RSA785510  Rhamnus crocea Doris Bowers 1972-4-15 1852 Riverside Near SBCM dig on Pulgas Creek Rd., Rancho Calif. 396 Comment
  RSA180279  Rhamnus ilicifolia E. W. Lathrop 1965-9-22 6015 Riverside 8 miles west of Murrieta. Comment
  RSA314404  Rhamnus ilicifolia Robert F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55387 Riverside Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  UCR139048  Rhamnus ilicifolia D. L. Banks 1997-3-1 1354 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Pechanga Creek, east of the'Fiesta Grounds' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation 427 Comment
  UCR264472  Rhamnus ilicifolia S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1073 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, lower part of canyon, near Corona 427 Comment
  RSA764118  Rhamnus tomentella Linda M. Prince, Duncan S. Bell 2009-6-17 583 Riverside Cleveland National Forest Comment
  POM244268  Rhamnus tomentella subsp. cuspidata Carl B. Wolf 1932-8-6 s.n. Riverside Strawberry Valley, at base of Devil's slide Trail to Tahquitz Valley. 1707 Comment
  SD255625  Rhus ovata Mitch Provance 2012-5-24 512 23 Riverside San Bernardino Mountains:Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Ave and Wilson St. (Beaumont 7.5'Q) 868 Comment
  SDSU13694  Rhus ovata James C. Dice, Ruth Miller 1987-11-23 755 Riverside Temecula Gorge, south side of aqueduct crossing. T8S, R3W, SE 1/4 of NE 1/4 of Section 27. 259 Comment
  SD187324  Rhus trilobata Scott D. White, Angelia Carey 2004-4-16 10155 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 548 Comment
  IRVC92  Rhus trilobata var. quinata Charley Ford 1965-4-20 s.n. Riverside Ortega Highway [74]. Santa Ana Mountains Comment
  CAS-BOT-BC93061  Ribes californicum var. hesperium B. D. Stark 1930-2-21 1470 Riverside Hidden Canyon near Corona. Santa Ana Mountains. Comment
  CAS-BOT-BC93063  Ribes californicum var. hesperium Carl B. Wolf 1932-2-11 2642 Riverside Hidden Canyon, 5 miles west of Corona. Santa Ana Mountains. Base of Skyline Drive. 405 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
  SD73602  Ribes indecorum Helen V. Witham 1970-4-29 819 Riverside Palms to Pines Highway 2.0 miles east of Lake Hemet. 1299 Comment
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Jan 25 2010
  UCR35282  Ribes indecorum L. B. Ziegler 1968-1-15 264 Riverside San Jacinto Mtns, In Avery Canyon (Diamond Valley) 503 Comment
  JEPS49293  Ribes nevadense F. M. Reed 1908-7-13 2309 Riverside Tahquitz Valley Mt. San Jacinto 2438 Comment
  SEINET9754141 Image available Ribes nevadense Sharon J. McCormick 1976-5-16 Riverside James Reserve, Yellow Pine Forest Comment
  RSA698880  Ribes roezlii J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto Mts. 2591 Comment
  UCR35281  Ribes roezlii var. roezlii L. B. Ziegler 1968-6-12 316 Riverside San Jacinto Mtns., Thomas Mountain, slopes below summit 2043 Comment
  RSA263758  Romneya coulteri E. W. Lathrop 1967-4-14 6180 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. Comment
  POM17512  Rosa californica Philip A. Munz 1923-6-18 7126 Riverside Temecula Canyon. Comment
  SD187470  Rosa californica Scott D. White, Angela Carey 2004-5-7 10334 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  SEINET884347 Image available Rubiaceae G. L. Stebbins, L. T. Dempster 1966-1 4244 Riverside Black Mt. road, 0.9 mi above jct of road to Pine Wood, San Jacinto Mountains 1981 Comment
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Aug 25 2013
  JOTR32381  Rumex crispus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2489 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  UCR127562  Rumex dentatus A. C. Sanders, T. B. Salvato 2003-5-21 26786 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
  RSA528094  Rumex hymenosepalus Scott D. White 1991-4-10 91 -61 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, and S of Cactus Valley Road 518 Comment
  UCR266412  Rumex pulcher D. E. Bramlet, Fred M. Roberts 2005-6-6 3871 Riverside San Jacinto Valley, San Jacinto River at Sanderson Ave., north of Ramona Expressway 447 Comment
  CAS-BOT-BC433962  Rumex salicifolius A. C. Sanders; K. C. Rose 1999-6-18 22828 Riverside Domenigoni Valley: upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester. 433 Comment
  SBBG45005  Ruppia maritima L. C. Wheeler 1931-11-26 374 Riverside Salton Sea, 2 mi SE Salton Bench Mark Co -76 Comment
  RSA605749  Sagina apetala A. C. Sanders 1996-3-17 17985 Riverside Coachella Valley: Palm Springs, mouth of Palm Canyon, ca. 0.5km E of Palm Canyon Dr. on Bogert trail. 163 Comment
  UCR157941  Sagina apetala T. B. Salvato, A. C. Sanders 2005-5-17 923 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
  POM2076  Salix exigua I. M. Johnston 1918-5-26 1994 Riverside Santa Ana River, NW of Corona. 152 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
  UC634546  Salix exigua Margaret Stason 1927-3-12 Riverside Thousand Palms; Colorado Desert Comment
  RSA0010969  Salix exigua var. exigua N. C. Cooper 1944-4-8 1057 Riverside Andreas Canyon. 305 Comment
  JOTR32464  Salix gooddingii La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2609 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
  UCD110969  Salix gooddingii A. C. Sanders 1997-3-19 20037 Riverside Lake Skinner area: Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn. Comment
  UCR112489  Salix gooddingii A. C. Sanders, T. B. Salvato 2000-5-30 23434 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA0030818  Salix hindsiana var. leucodendroides H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  CAS-BOT-BC106949  Salix laevigata A. C. Sanders 2004-5-12 27867 Riverside Elsinore Basin Region: Walker Canyon at north foot of Alberhill Mountain, Temescal Creek 378 Comment
  HSC82747  Salix laevigata R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54101 Riverside Flood Plain along Whitewater River, 3 mi. N of Whitewater Post Office. 591 Comment
  UCR270563  Salix laevigata John F. Emmel 1998-5-2 1542 Riverside San Jacinto Mtns., SW foothills, Bautista Canyon, 0.4-0.5 road mile SE of national forest boundary 723 Comment
  UCR41220  Salix laevigata N. M. Fellows 1985-5-3 78 Riverside San Jacinto Mtns, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mtns, 1 mi west of Snow Creek Village. 488 Comment
  SEINET272324  Salix lasiolepis A. C. Sanders, G Helmkamp 1997-3-15 19966 Riverside Lake Skinner Area; lower Rawson Canyon along the dirt road toward Bachelor Mtn. UTM 10km cell: MH-9E 1N. Skinner Reser 457 Comment
  UC717267  Salix lasiolepis W. A. Setchell and Victor Duran 1935-4-17 7 Riverside 6 mi from Hemet (on way to Aguanga) Comment
  CAS-BOT-BC128449  Salix lasiolepis var. lasiolepis W. H. Brewer 1861-1-1 154 Riverside In canyon near hannigan's Temiscal Range Comment
  POM362844  Salix lutea E. C. Jaeger 1922-6-29 s.n. Riverside Tahquitz Valley. 2134 Comment
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May 29 2011
  CAS-BOT-BC129511  Salix melanopsis Geo. B. Grant 1906-5-1 s.n. Riverside Colorado Deserat at Palm Springs Comment
  SBBG1262  Salix scouleriana M. Van Rensselaer 1937-6-24 Riverside San Jacinto Mtns 1767 Comment
  RSA0095104  Saltugilia australis Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6030 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA0094572  Saltugilia australis Leigh A. Johnson, J. Mark Porter 1997-3-7 97 -004 Riverside Whitewater Canyon, south slopes of San Bernardino Mtns, just N. of I-10. Infrequent plants locally at base of east facing mtns approcimately where slope steepens and ravines begin., Located on west side of Whitewater Canyon Road at point where drainage pipes fo under road and fence is erected (just south of first houses). 600 Comment
  OBI2704  Saltugilia splendens subsp. splendens Wesley O. Griesel 1962-6-29 Riverside Dark Canyon, San Jacinto Mountains 1920 Comment
  RSA145206  Salvia apiana Alice Ann Webb, E. A. Phillips 1961-4-4 794 Riverside Palms to Pines Hwy. 915 Comment
  UCR262279  Salvia apiana A. C. Sanders 2006-5-13 32280 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CLARK-A1528-3105  Salvia apiana var. compacta John C. Roos 1948-5-8 3824 Riverside Whitewater Comment
  POM229031  Salvia apiana var. compacta P. A. Munz 1937-5-29 15153 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  RSA125970  Salvia apiana var. compacta E. K. Balls, P. C. Everett 1957-11-4 22748 Riverside Snow Creek near old Fish Hatchery, north base San Jacinto Mountains. 701 Comment
  RSA411369  Salvia carduacea Ora M. Clark 1929-2-24 1532 Riverside Cabazon, Colorado Desert. Comment
  UCR163422  Salvia coccinea B. G. Pitzer 2001-9-19 s.n. Riverside Riverside: UCR Campus, on Eucalyptus Dr. 335 Comment
  RSA170162  Salvia columbariae L. B. Ziegler 1964-8-18 s.n. Riverside Morris Ranch Road north of Kenworthy Ranger Station, Garner Valley, San Jacinto Mts. 1463 Comment
  RSA357776  Salvia columbariae Robert F. Thorne, M. Z. Thorne 1973-3-30 42657 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA401491  Salvia columbariae Ora M. Clark 1929-2-22 1582 Riverside E. of Whitewater Comment
  UCR101586  Salvia columbariae Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCSB45285  Salvia columbariae Noel, Tera 1977-3-6 Riverside Box Canyon Wash; 12 miles on Ave.66 from junction with California 86 below 609 Comment
  RSA0003950  Salvia columbariae var. ziegleri L. B. Ziegler 1964-9-8 s.n. Riverside San Jacinto Mts., north of Kenworthy Ranger Sta., Hemet Valley. 1524 Comment
  RSA6729  Salvia eremostachya B. D. Stark 1933-4-2 4537 Riverside 3 miles below Pinyon Flats, San Jacinto Mts. (Palms to Pines Road). 1067 Comment
  SD49858  Salvia eremostachya Peter H. Raven 1958-5-18 13000 Riverside Along State Highway 74, 4.9 miles northeast of Pinon Flats, San Jacinto Mountains. Comment
  UCR20099  Salvia eremostachya Jeanine Derby 1976-4-28 s.n. Riverside Santa Rosa/San Jacinto Mountains, [near Dos Palmas Spring] 1159 Comment
  CLARK-A1528-3116  Salvia greatae John C. Roos 1963-11-2 Riverside Orocopia Mountains Comment
  RSA434100  Salvia leucophylla E. A. McGregor 1964-6-10 s.n. Riverside On Highway 74, west of Elsinor. 915 Comment
  RSA434137  Salvia mellifera Christopher Davidson 1973-4-1 1814 Riverside Hwy 71/79, appx. 7 mi from jct. of 395 south. 412 Comment
  RSA519252  Salvia mellifera Ed LaRue 1989-4-25 s.n. Riverside 5 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  SEINET272395  Salvia mellifera A. C. Sanders, G Helmkamp 1997-3-15 19926 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills 549 Comment
  VVC296  Salvia mellifera P. J. MacKay 1975-4-12 s.n. Riverside Southern California, Rancho La Sierra, just south of Hwy 91 near Green River Dr. Exit 210 Comment
  SBBG27791  Salvia vaseyi D. Myrick 1964-4-30 838 Riverside Palms to Pines (St Hwy 74), 10 mi W of Palm Desert 914 Comment
  CSUSB691  Sambucus mexicana I. Rauch 1968-5-14 Riverside Santa Ana Mountains Santa Ana Mountains Comment
  CSUSB692  Sambucus mexicana Becky Alejandre 1970-5-7 8 Riverside Santa Ana River bottom in [city of] Riverside. Approximately 400 feet from Fairmount Park to the west. 408 Comment
  RSA650331  Sambucus mexicana W. A. Reinke 1971-5-8 s.n. Riverside 7mi. N. of 2nd St. on [Highway] 71-74, Elsinore. 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
  UCR140657  Sambucus mexicana Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 13- 89 Riverside San Jacinto Mtns, San Bernardino National Forest, 12 miles north of Idyllwild on Hwy 243 near Vista Grande, Site L13 1558 Comment
  UCR169318A  Sambucus mexicana T. B. Salvato, John F. Green 2004-5-27 618 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
  UCR197059  Sambucus mexicana A. C. Sanders, D. L. Sanders 2008-9-27 36108 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  SD234255  Sambucus nigra subsp. caerulea Wayne Law, Jun Hu 2000-5-16 21 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Firest, above Temescal Valley in Indian Canyon, 11.8 mi. S of Corona (Aberhill 7.5' Q) 395 Comment
  UCR116848  Sanicula arguta A. C. Sanders, Steven R. Hill 2001-5-4 24144 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
  RSA781360  Sanicula bipinnatifida A. C. Sanders, T. B. Salvato 2011-4-1 38957 Riverside Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74 404 Comment
  UC488916  Sarcodes sanguinea C. V. Meyer June 1927 157 Riverside San Jacinto Mts., Saunder's Meadow 1706 Comment
  UCR72191  Sarcostemma hirtellum Theo Glenn 1991-5-2 91- 125 Riverside Sonoran (Colorado) Desert, Arica Mtns., SW of Rice 340 Comment
  UCR249661  Schismus arabicus T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7298 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
  CAS-BOT-BC243458  Schismus barbatus Peter H. Raven 1958-1-23 11411 Riverside 2.7 miles west of Whitewater Post Office Comment
  CAS-BOT-BC111278  Schoenoplectus acutus var. occidentalis C. Epling; J. Ewan 1933-6-1 s.n. Riverside South shore, Lake Elsinore Comment
  RSA520943  Scirpus microcarpus Steve Boyd, David E. Bramlet 1988-10-8 2865 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  CLARK-A1703-90  Scirpus robustus Robin L. Kobaly 1972-5-17 RLK 720517 Riverside Riverside 243 Comment
  UC1076479  Scleranthus annuus subsp. annuus Herbert L. Mason 1926-4-30 3125 Riverside Pala Grade Comment
  UCR127102  Scrophularia californica Mitch Provance 1998-6-1 575 Riverside Jurupa Mountains, SW Pyrite Canyon, c. 0.4 miles SSE of peak 1768 442 Comment
  UCR199569  Scrophularia californica Scott D. White, Angelia Carey 2004-7-2 10556 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR195119  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas 2008-8-1 35969 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, at stream crossing of trail SSE of Keenwild Fire Station 1402 Comment
  UCSB12016  Scutellaria mexicana Field, L. 1966-5-5 Riverside low Joshua Tree Woodland; 5 miles NE of Pinon Flats Campground; along Calif 74; 10.8 miles south of Palm Desert 975 Comment
  UCR89391  Selaginella bigelovii A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15867 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
  UCR125715  Selaginella cinerascens Denise Woodard 2001-1 s.n. Riverside Nichols Reservoir, Skunk Hollow Hills 488 Comment
  SEINET10938317  Selaginella eremophila Lewis S. Rose 1945-12-29 Rose 45342 Riverside Andreas Canyon, near Palm Springs. Comment
  RSA684101  Selaginella watsonii Joseph Andorfer Ewan 1930-9-1 314 Riverside Summit of San Jacinto Mountain. 3294 Comment
  UC489137  Senecio C. V. Meyer June 1927 212 Riverside foot of Idyllwild Grade San Jacinto Mts. 762 Comment
  CAS-BOT-BC323988  Senecio flaccidus var. douglasii Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9548 Riverside Cottonwood Springs Canyon. Comment
  POM10293  Senecio flaccidus var. douglasii F. M. Reed 1903-10-24 19 Riverside Temescal Valley near mouth of Cold Water Canyon Comment
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Apr 7 2011
  RSA0025284  Senecio mohavensis J. Andre 2013-3-4 23874 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 miles west of Hwy 95, approx 12 miles south of Vidal Junction. 127 Comment
  JOTR32323  Senna armata Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  CDA27826  Senna covesii M. K. Bellue Oct 1931 Riverside Coachella Canyon. 0 Comment
  SBBG87835  Senna covesii A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6073 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckawalla Mtns 487 Comment
  RSA335357  Sesbania exaltata A. C. Sanders 1985-8-24 5950 Riverside Near Oasis in the lower Coachella Valley, on the E side of Hwy 195, ca. .5 mi. N of the intersection with Hwy 86 and just N of Ave. 76. -52 Comment
  UCR214893  Sesuvium verrucosum A. C. Sanders, Richard Dwerlkotte 2010-3-22 37520 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  SACT002095  Setaria verticillata Malcolm Nobs, Galen Smith 1948-9-3 Riverside 2 miles north of Indio. Comment
  RSA89904  Setaria verticillata J. C. Roos 1952-5-14 5660 Riverside Scattered locally along edge of irrigated orchard with Echinochloa, Crusgalli, etc., corner of Iowa and 8th Street east of Riverside. 305 Comment
  RSA579291  Sibaropsis hammittii Steve Boyd, Timothy S. Ross 1992-4-1 6781 Riverside Santa Ana Mountains, Elsinore Peak south of Lake Elsinore, in clay soil area southwest of the summit. 1073 Comment
  UC1012992  Sidalcea malviflora subsp. sparsifolia C. L. Hitchcock 1952-5-31 19562 Riverside n edge of town Idyllwild; n edge of town of Idylwild Comment
  SBBG19540  Sidalcea sparsifolia R. Moran 1962-7-7 9867 Riverside Strawberry Crk, 2 mi SW of Idyllwild 1550 Comment
  CAS-BOT-BC434383  Sidotheca trilobata Edmund C. Jaeger 1921-6-27 s.n. Riverside Idyllwild-Ken [Keen] Camp Trail. San Jacinto Mts. 1737 Comment
  SBBG29114  Sidotheca trilobata I. W. Clokey with E. G. Anderson 1935-8-21 6599 Riverside E of Keen Camp Post Office 1360 Comment
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Nov 20 2010
  POM13244  Silene antirrhina P. A. Munz, I. M. Johnston 1922-5-19 5357 Riverside 5 miles NE of Murietta. 457 Comment
  SBBG128623  Silene multinervia S. R. Hill, A. C. Sanders 2001-5-4 33707 Riverside N side of Avenida del Oro, just E of jct with Sandia Crk Drive, 2 mi W of jct of Rancho California Rd and Interstate 15; E rim, Santa Rosa Plateau 478 Comment
  UC1361893  Silene parishii Reid Moran 1968-8-3 15369 Riverside n slope 1 mi w of summit Santa Rosa Mountain; w of summit Santa Rosa Mountain 2150 Comment
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Jan 2 2010
  UCR178561  Simmondsia chinensis R. G. Swinney 1967-3-12 0082 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, north side, south of Desert Center 366 Comment
  UCR239894  Sisymbrium erysimoides O. F. Clarke 2004-3-25 s.n. Riverside Riverside, Santa Ana River west of Salt Lake Railroad bridge 216 Comment
  UCR199680  Sisymbrium officinale Scott D. White 2008-4-28 11912 Riverside San Gorgonio Pass, Banning, south of Hwy I-10 and just north of San Jacinto Mountains toe slope. East of Sunset Avenue 701 Comment
  RSA719270  Sisymbrium orientale Michael Honer, L. Hulse 2004-4-3 1904 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Cany