Search Results — 2000 specimen records retrieved (1906 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229310  Abronia villosa John Thomas Howell 1928-3-11 3429 Riverside 6 miles se. of Garnet Station, Coachella Valley, Colorado Desert 152 Comment
  CAS-BOT-BC229355  Abronia villosa F. O. Ballou 1926-2-25 s.n. Riverside Indian Wells Comment
  CAS-BOT-BC229367  Abronia villosa J. H. Thomas 1949-2-28 48 Riverside Between Banning and Palm Springs Comment
  RSA0021331  Abronia villosa Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4657 Riverside Around the confluence of the San Gorgonio and Whitewater river drainages, just south of the historic Palm Springs Station, about 1.5 air miles northwest of Windy Point. 340 Comment
  RSA715177  Abronia villosa John Green 2005-3-3 s.n. Riverside Sonoran (Colorado) Desert: Salton Basin, E of Salton Sea, ca. 4 mi N of Niland; between siphons 10 and 11. [maps in Imperial County, but is near the Riverside Co. line] 15 Comment
  SBBG1870  Abronia villosa H. and M. Dearing 1940-6-8 4357 Riverside near Herkey Crk, W of Ribbonwood Comment
  UCR166002  Abronia villosa Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  RSA500071  Abronia villosa var. aurita Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3240 Riverside Vail Lake area, sandy valley at NE end of lake, N of Wilson Creek 488 Comment
  RSA773658  Abronia villosa var. aurita Duncan S. Bell, Joy England 2010-10-5 1977 Riverside San Bernardino National Forest: Garner Valley, approximately 2.6 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1387 Comment
  SD51954  Abronia villosa var. aurita Reid Moran 1962-7-8 9873 Riverside Roadside, north side of Hemet Valley, San Jacinto Mountains. Comment
Read comments
Feb 23 2013
  UCR241517  Abronia villosa var. villosa A. C. Sanders, Ann Howald 2013-2-27 40543 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  UCSB6743  Acamptopappus sphaerocephalus Gray, Caroline 1956-4-13 Riverside Whitewater Canyon near Whitewater Comment
  CAS-BOT-BC30909  Acamptopappus sphaerocephalus E. C. Jaeger s.n. Riverside Whitewater Comment
  UC1523567  Acamptopappus sphaerocephalus var. sphaerocephalus Robert F. Thorne, Dick Tilforth, L. Shultz, R. K. Benjamin & J. Hogge 1980-4-16 54033 Riverside 1/4 mi w (and .5 mi w of Whitewater R at mouth of Whitewater Whitewater P.O.; San Bernardino Mts., Colorado Desert 414 Comment
  UC63855  Acer negundo var. interior H. M. Hall 1897-4-16 480 Riverside hills s Beaumont; hills s of Beaumont Comment
  POM353066  Achnatherum coronatum N. C. Cooper 1944-5-6 1216 Riverside Banning. 701 Comment
  RSA6073  Achnatherum coronatum C. B. Wolf 1932-5-24 3660 Riverside Snow Creek, north base San Jacinto Mountains. 1 mile above the Fish Hatchery. 793 Comment
  UCSB18916  Achnatherum coronatum Keefe, Joseph 1965-5-18 Riverside NE slope of Mt Edna, 2.1 mi S of Banning on road to Idyllwild. 762 Comment
  RSA741606  Achnatherum parishii subsp. parishii Scott D. White, Justin M. Wood 2008-6-16 12132 Riverside Fobes Ranch Road N of Quinn Flat 1390 Comment
  RSA0029321  Achyronychia cooperi Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4691 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
  UCR85253  Achyronychia cooperi A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16187 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  UCSB1844  Achyronychia cooperi Beeks, Richard 1952-4-5 Riverside 12 miles E of Shaver Summit Comment
  RSA0120632  Acmispon rigidus Duncan S. Bell, Thomas Stoughton 2016-3-17 8961 Riverside Orocopia Mountains; east side of the range; collecting in rocky hills to the west of Red Cloud Wash. 531 Comment
  SD133088  Acmispon strigosus Scott White 1991-5-10 91 134 Riverside Hwy 79 immediately west of US Forest Service Campground at Dripping Springs; Vail USGS quad. 548 Comment
  SDSU13586  Acmispon strigosus W. Miller with C. Mosse 1972-7-20 Riverside Comment
  UCR213505  Adenostoma fasciculatum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37809 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  RSA33594  Adenostoma fasciculatum var. fasciculatum N. C. Cooper 1944-6-4 1342 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  CSUSB1856  Adenostoma sparsifolium Ned Curtis 1974-7-19 Riverside San Jacinto Mountains San Jacinto Mountains 1523 Comment
  JEPS44780  Adenostoma sparsifolium Carl V. Meyer 1928-8-2 629 Riverside Chalk Hill Comment
  RSA612814  Adiantum jordanii Darin L. Banks 1997-3-1 1355 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  SD186012  Agave americana A. C. Sanders 1984-7-17 5106 Riverside O. F. Clarke residence at 1012 Spruce St. 305 Comment
  SEINET3916260  Agrostis exarata Scott D. White 2000-8-5 8107 Riverside San JACINTO MTS: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River).; 0 1402 Comment
  UC489126  Agrostis exarata C. V. Meyer 1928-7-30 596 Riverside Saunder's Meadow San Jacinto Mountains, Saunder's Meadow 1676 Comment
  JEPS73944  Agrostis idahoensis Carl V. Meyer 1928-7-27 861 Riverside Round Valley San Jacinto Mts. Comment
  UCR27222  Agrostis pallens E. W. Lathrop 1965-5-23 5770 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, 9 mi west of Murrieta Comment
  UCR251353  Agrostis semiverticillata S. J. Myers 2014-5-21 1063 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  POM14356  Aliciella latifolia P. A. Munz, D. D. Keck 1922-4-9 4764 Riverside Shavers Well, near Mecca. 76 Comment
  RSA469421  Aliciella latifolia Anstruther Davidson 1903-5-3 1109 Riverside Thermal. Comment
  RSA71928  Aliciella latifolia F. W. Peirson 1921-3-22 2385 Riverside Andreas Canyon, Palm Springs region Comment
  RSA69679  Allenrolfea occidentalis F. W. Peirson 1926-1-31 6487 Riverside Dos Palmas, Colorado Desert. Comment
  POM13892  Allionia incarnata P. A. Munz, D. D. Keck 1922-4-9 4828 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  RSA0027470  Allionia incarnata Deidre Conocchioli, Billy Sale, Naomi S. Fraga 2013-9-25 57 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  SEINET3092215 Image available Allionia incarnata Barbara Gayle Pitzer 1998-2-1 3437 Riverside Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed. 427 Comment
  JOTR32471  Allium denticulatum Harding, Mitzi 2011-5-13 18 Riverside Joshua Tree National Park. Little San Bernardino Mountains; near Ryan Mountain trailhead 1341 Comment
  SEINET8467153 Image available Allium fimbriatum N. C. Cooper 1944-1 1237 Riverside Pinyon Flats, Palms to Pines Hwy, San Jacinto Mts 1219 Comment
  RSA262115  Allium haematochiton E. W. Lathrop 1971-3-24 7487 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UCD138541  Allium haematochiton Steve Myers 24-25 Feb 1988 s.n. Riverside Temescal Canyon, ca. 1/4 mi. west of intersection of Highway I-15 and Indian Truck Trail. 381 Comment
  SD127568  Allium lacunosum var. davisiae Robert F. Thorne, Earl Lathrop 1975-5-25 45560 Riverside Santa Rosa Plateau, Rancho California, Mesa de Burro. 609 Comment
  CDA2749  Allium neapolitanum Joyce Davis 1962-3-27 Riverside 3957 6th Street, Riverside. 0 Comment
  CLARK-A1528-1512  Allium peninsulare John C. Roos 1950-4-22 4753 Riverside Reche Canyon 761 Comment
  RSA736646  Allium praecox Scott D. White, Justin M. Wood 2008-3-25 11772 Riverside Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  UCR133437  Allophyllum divaricatum Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 465 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  RSA593984  Aloe saponaria Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 952 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  SBBG94678  Amaranthus albus S. D. White 1990-9-25 Riverside Santa Rosa Plateau, ca. 5 mi. (airline) SW of Temecula, on Via Yerba Rd, E of Vaquero Rd; T8S, R 3W, on line between S 22 and 27 374 Comment
  UC64578  Amaranthus albus H. M. Hall 1901-8-6 2650 Riverside Moreno Comment
Read comments
Mar 20 2011
  UCR108714  Amaranthus blitoides Scott D. White, Pam DeVries 1998-2-9 6075 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  JOTR30298  Amaranthus fimbriatus La Doux, Tasha, Jim Andre 2007-9-6 132 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  RSA0080447  Amaranthus fimbriatus Sarah J. De Groot, Amy Rouillard 2015-9-15 7556 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  UCR272673  Amaranthus fimbriatus Sarah J. De Groot, Duncan S. Bell 2015-9-21 7584 Riverside Peninsular Range; Santa Rosa Mountains, SSW of Palm Desert, along Carrizo Road just north of Hwy 74 1053 Comment
  UCR59701  Amaranthus palmeri George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, Blythe 75 Comment
  RSA425023  Ambrosia acanthicarpa J. C. Roos 1965-9-26 s.n. Riverside Hemet Valley, San Jacimto Mtns. Comment
  CHSC95389  Ambrosia dumosa C. Spurrier; Way, M. J. 2001-6-14 6 Riverside Riverside County. Big Morongo Canyon Preserve, Kickapoo trail, 5.6 km north of State Water Company Entrance. 595 Comment
  LA83357  Ambrosia dumosa O. H. Kappler; 1941-4-21 212 Riverside Morongo Pass Area, Desert City Comment
  OBI25272  Ambrosia dumosa F. Seaman 1971-4-9 35 c Riverside 51.6 mi E of Twentynine Palms on State hwy 62 Comment
  RSA775936  Ambrosia dumosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 946 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  SDSU6231  Ambrosia dumosa A. H. Gallup 1949-3-28 355 Riverside Palms to Pines Hwy. above Desert Center [interpreted to be Palm Desert], east slope, San Jacinto Mt. Range 762 Comment
Read comments
Jan 30 2013
  UCR41632  Ambrosia ilicifolia A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6075 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  CAS-BOT-BC273012  Ambrosia salsola Peter H. Raven 1958-2-15 11577 Riverside Corn Springs, Chuckwalla Mountains Comment
  CAS-BOT-BC273018  Ambrosia salsola Nancy Ryan Zabriskie; Walter Zabriskie 1971-2-15 346 Riverside Near entrance gate, Andreas Canyon Club, South Palm Canyon Drive, Palm Springs 167 Comment
  LA203739  Ambrosia salsola Carl Epling; March 1927 sn Riverside Palm Springs Comment
  UC1923764  Ambrosia salsola John L. Strother 2008-3-10 1370 Riverside ca. 18 km (11 miles) W of Chiriaco Summit, along N frontage of I-10 420 Comment
  SEINET238514  Ammannia coccinea A. C. Sanders, Mitch Provance 1999-9-26 23114 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 H 433 Comment
  RSA606084  Amorpha fruticosa R. S. Woglum 1941-5-14 3039 a Riverside Peninsular Ranges / Sonoran Desert transition: Coyote Canyon. Comment
  UC597728  Amorpha fruticosa Philip A. Munz 1937-5-30 15111 Riverside Dos Palmos Spring Santa Rosa Mts. (n end of mts.) 1097 Comment
  POM319691  Amsinckia intermedia Patricia Wilder 1971-5-13 4952 Riverside Prado Flood Control Basin; along bank at east end of top of Prado. Alt. 650 ft. 198 Comment
  RSA0089613  Amsinckia intermedia A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25834 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  RSA0089631  Amsinckia intermedia Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10460 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
  SEINET7073333  Amsinckia intermedia A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  HSC94251  Amsinckia menziesii D. Atwood 1993-3-26 17686 Riverside 6 mi. NE of San Juan Capistrana along Hwy. 74 Comment
Read comments
Jun 3 2012
  UCR140314  Amsinckia menziesii var. menziesii A. C. Sanders, Guy Bruyea 2004-4-2 27413 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UCR157957  Amsinckia retrorsa T. B. Salvato, A. C. Sanders 2005-5-17 917 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
  UCR214122  Amsinckia tessellata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37729 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  JOTR30054  Amsonia tomentosa La Doux, Tasha, Jade Mohajerin 2006-10-12 1664 Riverside Joshua Tree National Park. Geo Tour Road, in the area burned in July 2006 Comment
  UCR114829  Anagallis arvensis Mitch Provance 1998-7-23 923 A Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  UCR139040  Anagallis arvensis D. L. Banks, V. W. Steinmann 1997-3-13 1414 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  CAS-BOT-BC137842  Andropogon glomeratus var. glomeratus Lewis S. Rose 1935-12-27 35703 Riverside Palm Canyon. Comment
  SD167043  Antirrhinum coulterianum S. J. Myers, John Green 2003-4-4 Riverside San Jacinto Mountains: Powerline trail west of Juan Diego Flats toward Reed Valley, northwest of Cahuilla Mountain. 1220 Comment
  UC76433  Antirrhinum coulterianum Miss M. Alice King Apr 1893 Riverside Menifee Comment
  UCR178849  Antirrhinum coulterianum T. B. Salvato, Tracy Tennant 1998-6-23 MOR- 445 A Riverside San Bernardino Mtns., Morongo Indian Reservation, polygon 13, N end of Hathaway Canyon 1280 Comment
  UCD123469  Antirrhinum nuttallianum Scott D. White 1997-5-25 5251 B Riverside Perris Basin; south of Patton Ave. and west of Winchester Road, ca 2 air miles southwest of junction Winchester Road/ Simpson Ave. 457 Comment
  POM354916  Antirrhinum nuttallianum subsp. nuttallianum H. Twining 1890-04 14769 Riverside Foothills [Riverside] Comment
Read comments
Oct 27 2011
  UCR3339  Antirrhinum nuttallianum subsp. nuttallianum T. R. Plumb 1964-4-9 s.n. Riverside Box Springs Mtns, Box Springs Mt., 1 mi SE of Dog Lady's house [old house near crest of range, c. 33 deg. 58' 53'N, 117 deg. 17' 28'W, along road from Pigeon Pass; later park ranger's house] off S fork of road 762 Comment
  HSC21458  Apiastrum angustifolium C. L. Hitchcock 1966-3-16 24188 Riverside About 5 mi. NE of Aguanga Comment
  RSA673553  Apiastrum angustifolium Scott D. White, Tasha La Doux 2000-4-20 7683 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  SEINET238799  Apium graveolens Mitch Provance 2000-6-24 2054 Riverside Santa Ana River Wash between the Market St. bridge and the 60 Fwy. 244 Comment
  CDA7121  Arabidopsis thaliana A. C. Sanders 2006-5-1 32248 Riverside South side of UCR campus behind botany greenhouses, Riverside. Comment
  RSA0126211  Arabis glabra Steve Boyd, C. Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2290 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 0.5 mi S of saddle. 1500 Comment
  RSA358583  Arceuthobium campylopodum Larry E. DeBuhr 1972-3-23 515 Riverside Santa Rosa Mts; San Bernardino National Forest; northwest of Santa Rosa Pk. 2317 Comment
  UC1078932  Arceuthobium campylopodum Job Kuijt 1958-3-14 1497 Riverside 0.6 mi se Keen Camp Summit (Hwy 74); San Bernardino Mtns Comment
  RSA629384  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19512 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  UC1137196  Arctostaphylos glandulosa subsp. glandulosa Willis E. Pequegnat 1940-4-13 Riverside ne face Santiago Peak; Cleveland National Forest, Corona Quadrangle, Santa Ana Mts. Comment
  RSA629363  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16832 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  UC63815  Arctostaphylos glandulosa subsp. zacaensis H. M. Hall 1901-6-10 2061 Riverside vicinity of Chalk Hill San Jacinto Mountains 1524 Comment
  RSA631793  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19560 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  SD7734  Arctostaphylos glauca J. C. Nevin 1884-1 Riverside San Jacinto Mtns. Comment
  UCR91730  Arctostaphylos glauca A. C. Sanders, J. Goetzen 1996-5-1 18125 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  RSA633556  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16685 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633590  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22522 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633656  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16643 Riverside Road to Santa Rosa Mountain (7S02), 7.5 km south of Highway 74. 1860 Comment
  RSA633690  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16664 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633762  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16689 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA761232  Arctostaphylos pringlei Shawn Krosnick, C. Martinez, Naomi Fraga, Lucinda McDade, et al. 2010-8-14 723 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CSUSB1372  Arctostaphylos pringlei var. drupacea Sue Freeman 1966-4-30 Riverside Side of road between Banning and Idyllwild, about 10 miles northwest of Fuller Mill Creek; Yellow Pine Forest. 1219 Comment
  RSA635771  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16747 Riverside Rd. to Thomas Mtn. (5S15), 2.7 km west of Hwy. 74 on Pyramid Peak Rd., San Jacinto Mountains. 1480 Comment
  RSA635812  Arctostaphylos pungens Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20101 Riverside Highway 371, 1 km east of Anza. 1220 Comment
  UC527314  Arctostaphylos pungens C. B. Wolf 1931-5-11 1953 Riverside ridges near Pipe Creek (above Hemet Valley); San Jacinto Mts. 1676 Comment
Read comments
Mar 24 2011
  UCR193568  Arctostaphylos pungens A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35612 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mile SW of Fleming Ranch, along dirt track 1555 Comment
  RSA636174  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19479 Riverside West of Temecula, off Colman Rd., 0.8 km north of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 590 Comment
  SD125999  Arctostaphylos rainbowensis Steve Myers 1987-9-28 Riverside Santa Rosa Plateau 730 Comment
  UCR158146  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
  SEINET9292943  Arctostaphylos viscida Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  CLARK-A1045-72  Arenaria douglasii George K. Helmkamp 1978-5-20 Riverside San Jacinto Mountains dry slope between meadow and sagebrush, just northwest of Kensworthy Forest Station; Idyllwild 15'Q Comment
  UCR103733  Argemone munita A. C. Sanders 1997-3-19 20028 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp 473 Comment
  UCR12583  Argemone munita T. Green 1972-4-22 17 Riverside Peninsular Range, Hwy 71, c. 2 mi NE of Aguanga 762 Comment
  CAS-BOT-BC401676  Argemone munita subsp. munita Alice Eastwood 1913-4-30 3109 Riverside Palm Springs Comment
  RSA105975  Argemone munita subsp. munita Gerald B. Ownbey, Findley Ownbey 1954-8-7 2178 -a Riverside 9.7 mi., s.e. of Idyllwild, Hemet Valley road; 1372 Comment
  CAS-BOT-BC207121  Argythamnia lanceolata Christopher Davidson 1979-4-4 7736 Riverside Orocopia Mts. E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca 579 Comment
  UCSB38733  Aristida adscensionis Cowan, Clark 1978-4-23 Riverside 12.1 mi S on Hwy 74 from jct with Hwy 111 at Indian Wells; Whittacker transect #W-220 Comment
  SD247281  Aristida purpurea var. nealleyi A. C. Sanders, Jim Malusa 2015-3-10 41372 Riverside Sonoran (Colorado) Desert: north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial gunnery Range (East of Red Canyon 7.5'Q) 609 Comment
  UC1922712  Aristida purpurea var. purpurea Naomi Fraga, Lisa Rojas 2005-2-10 1417 Riverside Colorado Desert; Northeastern Colorado Desert region: Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. Comment
  HSC8967  Aristida ternipes var. hamulosa C. L. Hitchcock, C. V. Muhlick 1964-3-17 23113 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  UCR151126  Artemisia douglasiana Scott D. White 1998-10-9 7172 Riverside Peninsular Ranges/Santa Ana Mtns, Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction, and proposed for same 366 Comment
  UCD129233  Artemisia dracunculus K. Esau 1935-6-15 s.n. Riverside Exact location unknown. Comment
  UCR34918  Artemisia ludoviciana subsp. incompta L. B. Ziegler 1967-8-30 230 Riverside San Jacinto Mtns, Hemet Valley 1357 Comment
  POM12973  Arthrocnemum subterminale I. M. Johnston 1922-5-19 s.n. Riverside Perris 457 Comment
  RSA715091  Arundo donax Sarah J. De Groot, J. Mark Porter 2006-3-14 5205 Riverside N base of San Jacinto Mountains, W of Hwy 111, just E of Snow Creek Road. Comment
Read comments
Jan 23 2010
  RSA0034596  Asclepias albicans Scott D. White 2001-4-3 8234 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  UCR279537  Asclepias albicans A. C. Sanders, Jim Malusa 2017-3-27 43125 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  RSA0104759  Asclepias californica Scott D. White, Justin M. Wood 2009-5-22 12894 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  RSA401647A  Asclepias californica N. C. Cooper 1944-7-15 1597 Riverside Palms to Pines Hwy. 1463 Comment
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Nov 22 2011
  RSA69917  Asclepias subulata F. W. Peirson 1924-12-30 5420 Riverside Near mouth of Thousand Palms Canyon, Coachella Valley 91 Comment
  RSA0061163  Asphodelus fistulosus Robt. Allen 2009-4-3 s.n. Riverside Santa Ana Mountains region: Near community of El Cariso. Along South Main Divide Road, 515 air meters(0.32 air miles) southeast of junction with Ortega Hwy (SR74). 843 Comment
  RSA180254  Aspidotis californica E. W. Lathrop 1959-4-2 4425 a Riverside 18 miles west of Murrieta. Comment
  UCR147805  Asplenium vespertinum Steve Boyd, Aydee Virgen 2004-4-13 10896 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  CLARK-A1528-158  Aster exilis John C. Roos 1951-9-25 5275 Riverside Riverside 259 Comment
  RSA774897  Astragalus Duncan S. Bell, Amber Swanson 2011-2-18 2030 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  RSA782074  Astragalus aridus Duncan S. Bell 2009-3-9 111 Riverside Arica Mountains: east side of mountain range, west side of Rice Valley approximately 2.7 air miles northeast of Priest Well or approximately 3.3 air miles southeast of the ghost town of Rice. 244 Comment
  UCR134604  Astragalus aridus Marisa Sripracha, Kyle Boyd 2004-2-14 027 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  JEPS54565  Astragalus coccineus Lawrence Saylor 1935-3-24 200 Riverside 6 mi se Cottonwood Springs; se of Cottonwood Springs Comment
  POM1994  Astragalus didymocarpus Robinson, Crocker 1916-4-3 s.n Riverside Elsinore region. Comment
  POM98779  Astragalus didymocarpus var. dispermus M. French Gilman 1926-2-22 s.n Riverside Thousand Palms Canyon. Comment
  POM226881  Astragalus didymocarpus var. obispoensis L. R. Abrams 1935-4-7 13664 Riverside 2 mile SW of Perris. Comment
  RSA801713  Astragalus douglasii Keith E. Hoffmaster 1937-6-6 794 Riverside San Jacinto mountains, near Hemet Lake Comment
  SBBG87357  Astragalus douglasii D. Charlton 1988-5-21 1918 Riverside Thomas Mtn Rd from N to S, W of Garner Valley and S of Lake Hemet on Hwy 74 1524 Comment
  UC81306  Astragalus douglasii var. douglasii S. B. and W. F. Parish Apr. 1882 1407 Riverside Morongo Comment
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Jul 4 2007
  JEPS79821  Astragalus douglasii var. parishii I. W. Clokey, E. G. Anderson 1935-8-21 6718 Riverside e Keen Camp P. O.; e of Keen Camp P. O. 1350 Comment
  UC488913  Astragalus douglasii var. parishii C. V. Meyer June 1927 205 Riverside Saunder's Meadow , Saunder's Meadow (San Jacinto Mts.) 1706 Comment
  CAS-BOT-BC187115  Astragalus lentiginosus var. borreganus H. M. Hall 1905-4-14 5757 Riverside Whitewater, on the Colorado Desert 240 Comment
  POM1694  Astragalus lentiginosus var. coachellae I. M. Johnston 1917-4-4 1065 Riverside Whitewater. Comment
  UC1929755  Astragalus lentiginosus var. coachellae Scott D. White 2001-4-18 8367 Riverside COACHELLA VALLEY: Palm Springs. Northeast corner of 30th Ave. and Devall St. Comment
  UC421664  Astragalus lentiginosus var. coachellae John Thomas Howell 1928-3-11 3439 Riverside 6 mi se Garnet Station (Colorado Desert); , se of Garnet Station Comment
  POM172737  Astragalus mohavensis var. mohavensis M. French Gilman 1930-4-6 4 Riverside [Monsen] Canyon, Eagle Mts. Comment
  CAS-BOT-BC178063  Astragalus nuttallianus Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-20 6420 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe 289 Comment
  RSA662070  Astragalus nuttallianus J. C. Roos 1958-3-15 s.n. Riverside 3 miles SE of Desert Center, Chuckwalla Mtns. Comment
  RSA653121  Astragalus nuttallianus var. imperfectus B. Pitzer, Tracy Tennant 1998-2-21 3533 Riverside Hayfield Dry Lake, on the lakebed, 1/2 to 3/4 mi. SE of the pumping station. 396 Comment
  UCR208928  Astragalus nuttallianus var. imperfectus M. B. Dunkle 1935-3-31 4445 Riverside Sonoran (Colorado) Desert, Cottonwood Mtns., Cottonwood Springs [Canyon] '2300 ft. 915 Comment
  SEINET6744644 Image available Astragalus oocarpus Marcus E. Jones 1882-1 3166 Riverside San Jacinto, CA Comment
  JEPS54817  Astragalus pachypus var. jaegeri Frank W. Peirson 1928-3-24 Riverside Temecula River Road s Dripping Spring; Temecula River Road s of Dripping Spring 457 Comment
  CAS-BOT-BC194169  Astragalus pomonensis John F. Green 2005-3-7 s.n. Riverside Wildomar, west of Grand Ave off Sweet Nectar Rd., Peninsular Range, Wildomar 7.5' Q 414 Comment
  CSUSB1293  Astragalus pomonensis Markell Kohn 1959-4-1 Riverside 2 miles south of UCR (University of California, Riverside) in wash. 150 yards east of Canyon Crest Drive (dirt road). 20 yards north of plinking (target practice) area. Comment
  SEINET5540495  Astragalus pomonensis H. S. Gentry 1954-1 14253 Riverside Dripping Springs, along Route 79. Comment
  UCR281790  Astragalus pomonensis Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-19 417- 99 Riverside Menifee Valley, Menifee, W side of Murrieta Rd., between Melido St. and Wickerd Rd. 482 Comment
  SEINET3134680  Astragalus sabulonum L. S. Rose 1938-2-1 38011 Riverside 10 mi W of Blythe 122 Comment
  SJSU12733  Athyrium filix-femina var. cyclosorum C. W. Sharsmith 1945-8-28 5451 Riverside by Indian Creek W side Mt. San Jacinto 1828 Comment
  UCR162401  Athysanus pusillus S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR1669  Athysanus pusillus J. R. Allen 1962-4-4 8- 253 Riverside Perris-Aguanga Basin region, 6 mi south of Perris, 1/3 mi south of Newport Rd. on Murrieta Rd. 427 Comment
  UC68977  Atrichoseris platyphylla H. M. Hall Apr 1905 5834 Riverside near Mecca; Colorado Desert -45 Comment
  UC963818  Atrichoseris platyphylla Helen K. Sharsmith 1952-4-8 4051 Riverside near, and ca. 2.5 miles beyond Mission Well Meek Mine; Mojave Desert, Pinto Mountains 579 Comment
  UCR166804  Atriplex argentea var. mohavensis R. E. Riefner Jr. 2004-8-27 04- 396 Riverside N of La Sierra Heights; NE (c. 0.25 mi) off Arlington Avenue, along dirt access road to Hidden Valley Wildlife Reserve 221 Comment
  POM13710  Atriplex canescens P. A. Munz 1922-4-30 5125 Riverside Hemet Butte. Comment
  RSA125859  Atriplex canescens E. K. Balls, P. C. Everett 1957-11-6 22790 Riverside 0.5 miles north of junction Hwy. 79 and road to Coahuila. 655 Comment
  RSA5461  Atriplex canescens C. B. Wolf 1932-10-13 s.n. Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  SD212554  Atriplex canescens A. C. Sanders, J. Andre, et al. 2005-2-26 29128 Riverside Sonoran Desert; southeast of Highway 177 toward dunes above Palen Dry Lake, southeast end of Coxcomb Mountains. 167 Comment
  SD40819  Atriplex canescens Carl B. Wolf 1932-10-13 4306 Riverside Eagle Mountains, Cottonwood Springs. 950 Comment
  CAS-BOT-BC170199  Atriplex canescens subsp. canescens Mrs. Robert Campbell 1921-11-26 7 Riverside Between Palm Springs and Indian Wells Comment
  RSA594530  Atriplex canescens subsp. canescens D. L. Banks, Rashmi Pant 1996-5-13 1010 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a xeric, arkose ridge, approximately 100 m E of the Dripping Springs Guard Station, just S of Hwy. 500 Comment
  RSA5448  Atriplex canescens var. laciniata C. B. Wolf 1932-10-13 s.n. Riverside Caleb (Southern Pacific railway siding), 4.5 miles SE of Mecca, Colorado Desert 61 Comment
  IRVC28860  Atriplex coronata var. notatior Mark A. Elvin 2005-5-24 4315 Riverside Perris; E of I-215; S of San Jacinto River; NW corner of jct Ellis Avenue and first road E of I-215. Southern Coastal 427 Comment
  UCR253012  Atriplex coronata var. notatior Ana Hernandez, Rose Cook 2013-4-12 042 Riverside Perris Aguanga Basin, 290 meters south of Highway 79, 760 meters west of Warren Road, Upper Salt Creek, Hemet 457 Comment
  UCR266252  Atriplex coronata var. notatior D. E. Bramlet 2006-5-5 3981 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, west Hemet area, north of Stetson Ave. and east of the EMWD canal 456 Comment
  JOTR37712  Atriplex hymenelytra Hodges, Stephen R. 2016-3-1 638 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line in canyons of black rock. Sparsely vegetated. Comment
  UCSB16186  Atriplex hymenelytra Gerhart, Janet 1963-4-5 Riverside Coachella canal, siphon No. 22, 5.0 mi. S of intersection of Salt Creek Wash Comment
  SBBG72554  Atriplex lentiformis subsp. breweri M. D. Clary -Oct-1929 423 Riverside Coachella Valley -13 Comment
  HSC4352  Atriplex polycarpa L. S. Rose 1967-12-19 67177 Riverside La Quinta 15 Comment
  RSA0104081  Atriplex polycarpa Duncan S. Bell, Evan Meyer 2014-10-28 7666 Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  UC850908  Atriplex polycarpa Carl B. Wolf 1932-10-13 4317 Riverside 4 1/2 mi se Mecca (Caleb (S. P. R. R. Siding), Colorado Desert); Colorado Desert, Caleb, se of Mecca -60 Comment
  UCR165274  Atriplex polycarpa John F. Green 2005-2-4 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 miles east of Desert Beach 24 Comment
  UC1279710  Atriplex polycarpa David B. Dunn, Shago Yamaguchi, H. Lint 1947-12-21 3572 Riverside Comment
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May 24 2012
  POM121924A  Atriplex semibaccata Marcus E. Jones 1900-7-16 6526 Riverside Temecula. Comment
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Mar 27 2011
  UCR114547  Atriplex serenana A. C. Sanders, K. C. Rose 1999-6-18 22815 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  RSA532583  Atriplex serenana var. davidsonii D. Bramlet 1991-6-1 2179 Riverside 3 km W of Nuevo and some 20 m E of the San Jacinto River; some 300 m S of the end of 11th Street, just E of an existing dirt road. 473 Comment
  CLARK-A1528-4494  Avena barbata John C. Roos, Lucille Roos 1950-4-15 4738 Riverside Box Springs Mountains 457 Comment
  UC1979684  Avena barbata Darin L. Banks, Steve Boyd 1995-5-9 354 Riverside NW Palomar Mtns., N of the Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  UCR177506  Avena barbata S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1128 Comment
  RSA0067890  Avena barbata Starr Streight 1982-4-17 20 Riverside Cajalco Road, 0.7 miles east of I-15; South of Corona. Comment
  POM9751  Ayenia compacta Philip A. Munz 1921-12-31 4699 Riverside Andreas Canyon, Palm Springs. Comment
  CLARK-A1528-2174  Baccharis brachyphylla John C. Roos 1963-10-19 Riverside Whitewater Wash 579 Comment
  RSA48866  Baccharis brachyphylla J. C. Roos, L. Roos 1949-9-17 4659 Riverside Canyon bottom near oasis with Palms, a side canyon, E side Whitewater Wash, W slope Painted Hill, 2.2 miles N of Hwy 99 Comment
  RSA595736  Baccharis brachyphylla L. C. Wheeler 1966-10-15 8984 Riverside San Jacinto Mountains. By Black Hill, by Pines to Palms Highway. 976 Comment
  UCR26079  Baccharis brachyphylla John C. Roos 1946-9-14 3008 Riverside Santa Rosa Mtns, Dos Palmas Spring, east of Asbestos Mountain 1070 Comment
  SEINET7239563 Image available Baccharis douglasii F. M. Reed 1907-9-21 1953 Riverside Riverside and vicinity Comment
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Oct 6 2017
  UCR278378  Baccharis emoryi Mitch Provance 2012-9-5 912- 13 Riverside Beaumont Plateau, City of Beaumont, lower reaches of Potrero Creek, adjacent to Four Seasons Development, west side of Highland Springs Ave., 1.1 miles south of the I-10 freeway. 762 Comment
  CAS-BOT-BC106750  Baccharis salicifolia Carl B. Wolf 1932-5-25 3672 Riverside No. base of San Jacinto Mts. Snow Creek Canyon, 1 mi. below fish hatchery. 396 Comment
  SD247573  Baccharis salicifolia subsp. salicifolia Sarah J. De Groot, Cheryl Sevilla, Rico Ramirez 2014-8-20 7239 Riverside North Fork Mission Creek, above preserve. Southeast San Bernardino Mountains, San Gorgonio Wilderness Area. 769 Comment
  SDSU13511  Baccharis salicifolia subsp. salicifolia W. Miller with C. Mosse 1972-7-19 Riverside Comment
  RSA0021682  Baccharis sarothroides Duncan S. Bell 2013-10-30 s.n. Riverside Arica Mountains; east side of range; western section of Rice Valley, about 6 air miles southeast of the ghost town of Rice. 211 Comment
  SEINET2045190 Image available Baccharis sarothroides B. Pitzer 1996-11-11 2931 Riverside Orocopia Mountains: Salt Creek Wash, at intersection w/SR211, 4 rd. mi. S of Bob's Cabin. Hayfield 15'USGS Quad.:T7s,R14ESW/4, S7 274 Comment
  SD229071  Baccharis sergiloides Dick Schwenkmeyer 2013-6-11 907 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  UC1118933  Baccharis sergiloides H. S. Yates 1936-6-4 5413 Riverside Palm Springs San Jacinto Quad. 137 Comment
  CAS-BOT-BC295895  Bahiopsis parishii H. M. Hall 1905-4-1 5877 Riverside Colorado Desert. Chuckawalla Bench Comment
  POM350666  Baileya pauciradiata M. B. Dunkle 1932-2-25 2920 Riverside 6 miles NW of Indio. Comment
  UCR42405  Baileya pauciradiata J. M. Stewart 1986-3-3 86- 16 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, east of Desert Center, east of the dry lake south of Palen Dry Lake Comment
  SBBG25795  Baileya pleniradiata E. R. Blakley 1966-4-9 6753 Riverside jct of US Hwy 60-70 and Wiley Well Rd, ca. 15 mi W of Blythe 121 Comment
  UC1931108  Barbarea orthoceras Scott D. White, Justin Wood 2008-6-18 12232 Riverside San Jacinto Mountains: K Flat Meadow. Comment
  UCR148308  Bebbia juncea John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  JEPS32146  Bebbia juncea var. aspera W. L. Jepson 1927-4-11 11626 Riverside Whitewater Bridge 457 Comment
  SEINET3862246  Beloperone californica D. W. McNeal 1977-4-22 2018 Riverside Beside Hwy. 195, 7 mi. SW of its jct. with Interstate 10.; 0 Comment
  UCR26368  Berberis dictyota A. C. Sanders 1981-7-11 2212 Riverside San Jacinto Mtns, Live Oak Spring at the head of Live Oak Canyon which is a tributary to Palm Canyon. 1677 Comment
  CAS-BOT-BC75737  Berberis nevinii Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 3997 Riverside Vail Lake area, lower slopes of Agua Tibia mountain, along Highway 79, east of USFW Dripping Springs Guard Station. 609 Comment
  RSA336055  Bernardia incana R. F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52064 Riverside Palms to Pines Highway: Along highway, Santa Rosa Mountains. Comment
  RSA319720  Bidens laevis Charlotte M. Wilder 1970-10-15 4808 Riverside Prado Dam in Prado Flood Control Basin on edge of river bordering old roadbed E of dam. 122 Comment
  RSA198974  Blennosperma nanum R. F. Thorne 1968-4-18 37444 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  RSA619551  Bloomeria crocea Darin L. Banks 1997-5-5 1999 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
  UC10155  Boechera H. M. Hall 1901-6 2316 Riverside near Tauquitz; San Jacinto Mountains Comment
  LA204239  Boechera pulchra H. Lewis; 1940-4-28 Riverside Joshua Tree National Monument, Keys View Comment
  CDA23854  Boerhavia coccinea T. C. Fuller 1968-7-17 17388 Riverside Peninsular Ranges, Perris-Aguanga Basin region.; San Jacinto, behind post office, 288 E. Main St. 0 Comment
  JOTR30048  Boerhavia coccinea La Doux, Tasha 2006-10-24 1655 Riverside Joshua Tree National Park. Twentynine Palms, park headquarters, nursery compound Comment
  RSA69608  Boerhavia coccinea F. W. Peirson 1922-12-28 5218 Riverside Andreas Canyon, east base of San Jacinto Mts. 244 Comment
  UCR23481  Boerhavia coccinea John C. Roos 1966-9-20 s.n. Riverside San Jacinto Valley, San Jacinto Comment
  POM192490  Boerhavia coulteri Marcus E. Jones 1929-9-16 s.n. Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  SEINET3092324 Image available Boerhavia erecta var. intermedia A. C. Sanders 1989-9-19 9511 Riverside Chocolate Mountains Aerial Gunnery Range: 1.75 km (airline) south of Tabaseca Tank, along the wash above "Tabaseca Target". 680 Comment
  SEINET3124370 Image available Boerhavia triquetra Tasha La Doux, Jim Andre 2008-9-16 337 Riverside Mojave Desert; Joshua Tree National Park, c. 0.3 mi. NW of Indian Cove Campground 934 Comment
  JOTR34997  Boerhavia wrightii La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3099 Riverside Joshua Tree National Park. Pinto Basin, Route 111, north of sand hills Comment
  UC2026380  Boerhavia wrightii Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10051 C Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  SD137967  Bothriochloa barbinodis Darin Banks, Steve Boyd 1995-10-17 798 Riverside Northwest Palomar Mountains, Agua Tibia Mountains, Cleveland National Forest, Agua Tibia wilderness area, along lower arroyo seco, South of the Dripping Springs Campground Comment
  UCR195799  Bouteloua aristidoides var. aristidoides Jim Andre, T. La Doux 2007-9-6 8706 Riverside Little San Bernardino Mountains, Joshua Tree National Park, dirt road to Lost Horse Ranger Station, below Hemmingway Buttress 1237 Comment
  JEPS15397  Bouteloua barbata var. barbata Joseph and Hilda Grinnell 1937-11-30 1080 a Riverside 24 mi e Blythe (bed of lake); Chuckawalla Valley, Ford Dry Lake 106 Comment
  UC577428  Bouteloua barbata var. barbata J. and H. W. Grinnell 1937-11-30 1080 a Riverside lake bed 24 mi w Blythe; Ford Dry Lake Comment
  RSA157925  Bowlesia incana P. A. Munz 1927-5-21 10846 Riverside Head of San Carlos Pass, Anza. 1372 Comment
  JOTR31888  Brandegea bigelovii La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2138 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Rockhouse Canyon; steep-walled canyon and sandy wash along an old road Comment
  POM67919  Brandegea bigelovii Marcus E. Jones 1906-4-20 s.n. Riverside Indio. Comment
  UCR150009  Brassica geniculata Scott D. White, Angelia Carey 2004-4-16 10170 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  CAS-BOT-BC30262  Brassica nigra Steve Boyd 1986-5-7 1830 Riverside Temescal Canyon. Terrace escarpment between Horsethief Wash and Indian Truck Trail, south of I-15. Comment
  UC55781  Brassica rapa H. M. Hall 1903-4-1 3816 Riverside vicinity of Riverside; Southern California 304 Comment
  RSA155554  Brassica tournefortii L. S. Rose 1962-3-2 62006 Riverside La Quinta 3 Comment
  RSA620356  Brassica tournefortii A. C. Sanders 1997-3-1 19719 Riverside Box Springs Mountains: Coyote Hill (Bench Mark Versity , 1386 feet) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  RSA678269  Brassica tournefortii V. Soza, J. M. Porter, Gary D. Wallace 2001-4-2 1079 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 Comment
  UCR180361  Brassica tournefortii Scott D. White, Angelia Carey 2004-4-5 9977 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR241803  Brassica tournefortii A. C. Sanders, Ann Howald 2013-2-28 40554 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 2.2 miles west of Hwy 78, 9.2 km SW (245 deg. ) of Ripley 96 Comment
  RSA5360  Brickellia arguta B. D. Stark 1932-6-17 1530 Riverside Canyons above Cottonwood Springs, Eagle Mts., Colorado Desert 396 Comment
  UC1523410  Brickellia atractyloides Robert F. Thorne and W. A. Tilforth 1980-5-28 54208 Riverside 3.2 mi n, w from Whitewater Canyon Hwy 10 and Whitewater P. O.; San Bernadino Mts. 609 Comment
  UC604871  Brickellia atractyloides Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9553 Riverside Cottonwood Springs Canyon Comment
  JEPS23548  Brickellia atractyloides var. arguta Peter H. Raven 1958-5-18 12994 Riverside Along State Highway 74, 4.9 mi NE of Pinon Flats, San Jacinto Mountains. Comment
  UCR145971  Brickellia desertorum June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UCR150643  Brickellia desertorum Bern Schwenn 1994-10-30 s.n. Riverside Joshua Tree National Monument, Little San Bernardino Mountains, Long Canyon; main canyon above narrows 976 Comment
  UC501618  Brodiaea filifolia Frank W. Peirson 1930-5-10 8772 Riverside 1 mi E of Perris 457 Comment
  RSA771884  Brodiaea santarosae Steve Boyd 2010-5-28 12282 Riverside Elsinore Peak, southeast of peak, north of trail along old Main Divide Road east of road up to communications towers 1012 Comment
  UCR193123  Brodiaea terrestris A. C. Sanders, Tim Thomas 2008-6-20 35554 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCD57672  Bromus arizonicus Beecher Crampton 1963-5-7 6778 Riverside Riverside. West of U. C. Riverside campus. Jct. Pennsylvania and Iowa Aves. Comment
  CAS-BOT-BC149440  Bromus berteroanus C. L. Hitchcock 1940-4-2 5924 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  RSA450463  Bromus catharticus A. R. Roos 1937-11-13 s.n. Riverside Riverside. 244 Comment
  HSC99954  Bromus diandrus J. P. Smith, & J. O. Sawyer 2011-6-9 13201 Riverside 1470 Comment
  RSA363848  Bromus diandrus N. C. Cooper 1944-5-6 1215 Riverside Banning. 701 Comment
  RSA673731  Bromus diandrus Scott D. White, Bill La Haye 2000-5-27 7958 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCR202008  Bromus diandrus 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
  UCR101438  Bromus grandis A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22214 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Middle Branch of Millard Canyon 1341 Comment
  SD136965  Bromus hordeaceus Steve Boyd 1992-4-14 6794 Riverside Santa Ana Mts.; San Mateo Cyn Wilderness area; Along Verdugo Trail from Tenaja Tr to Bluewater Tr in upper watershed of Bluewater Cyn; S of Sitton Pk; 792 Comment
  UCR91486  Bromus hordeaceus Scott D. White, M. Jacobsmeyer 1996-4-20 3970 Riverside Perris Basin, near Perris Airport; c. 100 m south of Case Road and 100 m west of the San Jacinto River Channel 433 Comment
  JOTR16774  Bromus madritensis subsp. rubens Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  JOTR37759  Bromus madritensis subsp. rubens Hodges, Stephen R. 2016-2-29 715 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  UCR110939  Bromus marginatus George K. Helmkamp 1998-6-27 4118 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  RSA326156  Bromus orcuttianus var. hallii John F. Emmel 1981-5-25 7769 Riverside San Jacinto Mountains; Idyllwild; large meadow between Strawberry Creek and USC ISOMATA campus. 1524 Comment
  SDSU955  Bromus orcuttianus var. hallii H. Wedberg 1962-7-28 1001 Riverside On dirt road about 2.5 miles N from Black Mtn Publ. Campground, in opening of montane forest with Bracken, P. jeffreyi, Ceanothus cordulatus. San Jacinto Mountains. 2286 Comment
  SDSU956  Bromus orcuttianus var. hallii H. Wedberg 1962-7-28 1001 Riverside On dirt road about 2.5 miles N from Black Mtn Publ. Campground, in opening of montane forest with Bracken, P. jeffreyi, Ceanothus cordulatus. San Jacinto Mountains. 2286 Comment
  RSA757744  Bromus rubens LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4350 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  RSA771660  Bromus rubens Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4908 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  RSA776275  Bromus rubens Thomas Stoughton, Christi Gabriel, Stephanie Rockwod 2011-3-29 880 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 793 Comment
  UCR102929  Bromus rubens George K. Helmkamp 1998-2-5 2646 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  RSA0020666  Bromus tectorum N. C. Cooper 1944-5-20 1232 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  JEPS24876  Caesalpinia virgata Peter M. Ray 1949-3-12 1379 Riverside e. Mecca (Painted Canyon, Orocopia Mts.); Orocopia Mts., Painted Canyon Comment
  RSA0104458  Caesalpinia virgata Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-2-10 7743 Riverside Santa Rosa Mountains; upper north fork of Bear Creek, about 5.75 air miles north of the summit of Martinez Mountain. 357 Comment
  RSA405295  Caesalpinia virgata Ora M. Clark 1929-3-17 1753 Riverside S. La Quinta, Cali. Comment
  RSA498294  Caesalpinia virgata Robert M. Perkins, H. de Forest 1937-3-15 399 Riverside 20 miles East of Indio. Comment
  UCR86192  Caesalpinia virgata A. C. Sanders 1995-5-23 17125 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, near the mouth of Martinez Canyon, at end of 72nd Avenue 25 Comment
  UCR107717  Calandrinia ciliata A. C. Sanders 1997-3-1 19742 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  UCR178838  Calandrinia ciliata T. B. Salvato, Jeffrey Ross, B. G. Pitzer 1998-3-25 MOR- 1037 A Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon, 0.2 mi. east of N-S Potrero Canyon Rd. on dirt road to Corral Canyon, junction at Bench Mark 3054', Tree Stand P-08 930 Comment
  UCR250212  Calandrinia ciliata A. C. Sanders 2014-4-23 41062 Riverside Peninsular Range, Baker St. NW of Lake Elsinore, near Alberhill Mtn., 1.1 km NW of Hwy 74 387 Comment
  UCR251714  Calandrinia ciliata T. B. Salvato 2014-4-9 7844 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  SD107764  Callitriche heterophylla var. bolanderi Robert F. Thorne 1974-5-23 44676 Riverside Santa Rosa Plateau, Rancho California: at N base of Mesa de Colorado in shallow water of small tenajas of small stream (mak 9/06) 609 Comment
  POM248021  Callitriche marginata P. A. Munz 1941-3-18 16658 Riverside North end of Santa Rosa Ranch, Elsinore Mountains. 854 Comment
  RSA234034  Callitriche marginata R. F. Thorne, E. W. Lathrop 1969-5-12 37926 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  RSA85454  Callitriche marginata J. C. Roos 1952-4-16 5540 Riverside Edgemont, near Box Springs. 488 Comment
  RSA641301  Calochortus palmeri var. munzii Orlando Mistretta, Mark Elvin 1995-6-19 1779 Riverside San Jacinto Mountains: Highway 74. 1264 Comment
  UC729646  Calochortus plummerae Carl B. Wolf 1932-5-25 Riverside 1.5 mi sw Summit of Moreno Grade (sw of Beaumont); Bad Lands 548 Comment
  RSA285891  Calochortus splendens D. C. Michener 1982-6-8 4052 Riverside San Jacinto Mts. Slopes on northeast side of Garner Valley immediatly adjacent to valley floor just northwest of jct. of Morris Ranch Road & Ca. 74. Comment
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May 26 2014
  RSA1314  Calochortus weedii J. T. Howell 1928-7-8 1045 Riverside Santa Ana Mountains above Glen Ivy 1067 Comment
  UCR21916  Calycadenia tenella Steve Boyd 1980-5-8 217 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  JOTR34395  Calycoseris parryi Andre, Jim 2012-4-16 20926 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  UCR11336  Calycoseris parryi John M. Spencer 1971-4-17 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument [now J.T.N. Park], 1.5 mi. north of Cottonwood Spring campground 953 Comment
  UCR2071  Calycoseris parryi J. Texera 1970-3-27 13 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
  CLARK-A1528-770  Calyptridium monandrum C. M. Flanagan 1973-5-20 OO 529 Riverside Morongo Indian Reservation 1158 Comment
  HSC17652  Calyptridium monandrum C. L. Hitchcock, C. V. Muhlick 1964-3-17 23089 Riverside 0.5 mi. SE of Glen Ivy Hot Springs Comment
  SEINET8567926 Image available Calyptridium monandrum A. G. Vestal 1947-3-30 Riverside California: Riverside County 33.5757 deg. North Latitude, -116.9840 deg. West Longitude. Ca 4.2 miles west of Sage in Tucalota Valley on East Benton Road. Sage quad. (NAD 27), UTM Zone 11, 301485mE, 3714919mN. Comment
  UCR3480  Calyptridium monandrum Jan Lockwood 1964-3-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; off Dillon Road about 3 miles northeast of the town of Indio, about 500 yards west of the road -7 Comment
  RSA0089417  Calyptridium monospermum Michael G. Simpson, Jamie Hall, Michael Silveira, Lori Simpson 2007-6-16 2896 Riverside Little Taquitz Valley, San Jacinto Mountain, along trail, ca. 0.1 mi north of junction with Pacific Coast[Crest] Trail, ca. 0.9 mi northeast of Tahquitz Peak. 2454 Comment
  UC1537159  Calystegia macrostegia Gordon H. True Jr. 1935-3-1 42 Riverside Gavilan Hills 548 Comment
  RSA465915  Camissonia bistorta P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  RSA612487  Camissonia bistorta D. L. Banks 1997-2-23 1330 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
  UCR154975  Camissonia bistorta A. C. Sanders, Kelly Volansky 2005-3-17 29219 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR231757  Camissonia bistorta John F. Green 2008-4-23 09- 01 Riverside Peninsular Range; SE Gavilan Hills, powerline route in hills SE of Perris, east of Hwy 74 and north and NE of Eugene St., both sides of Theda St. 503 Comment
  RSA450521  Camissonia brevipes subsp. brevipes Barry A. Prigge 1988-2-21 7837 Riverside Colorado Desert, Orocopia Mountains. 2 miles W of Clemens Well. 229 Comment
  RSA543752  Camissonia californica Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6056 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
  RSA670672  Camissonia californica Bonnie C. Templeton, I. W. Clokey 1930-4-9 1068 Riverside North of Palm Springs 305 Comment
  RSA139363  Camissonia cardiophylla Thomas W. Whitaker 1958-4-30 s.n. Riverside Box Canyon, midway between Mecca and Shaver Well. Comment
  RSA637570  Camissonia cardiophylla Philip A. Munz, Lillian T. Street 1919-5-7 2740 Riverside Tahquitz Canyon. 244 Comment
  RSA701045  Camissonia cardiophylla Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11290 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
  UCR133966  Camissonia cardiophylla Mitch Provance, J. S. Ross 1998-3-27 MOR- 954 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon, c. 1.2 miles NE of the town of Cabazon 579 Comment
  POM160073  Camissonia chamaenerioides E. C. Jaeger 1927-3-23 s.n. Riverside Travertine Point [Travertine Rock?], Colorado Desert. Comment
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Nov 24 2016
  SEINET1004373  Camissonia claviformis Natham Moorhatch 2005-1 Riverside Western Sonoran (Colorado) Desert: Coachella Valley, E. edge of Santa Rosa Mtns., La Quinta, W of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 18 Comment
  POM259740  Camissonia claviformis subsp. aurantiaca E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon [canyon]branching from Fargo Canon [canyon] 5 mi. east Indio. 244 Comment
  RSA784972  Camissonia claviformis subsp. aurantiaca Duncan S. Bell 2012-3-18 3215 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  SEINET3093303 Image available Camissonia claviformis subsp. claviformis George K. Helmkamp, E. A. Helmkamp 1998-2-5 2655 Riverside Indio Hills, 3 mi. E of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  RSA343091  Camissonia hirtella Robert F. Thorne, Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60623 Riverside Santa Rosa Plateau: Burned-over chapparral along Clinton Keith Road, near base of plateau. 427 Comment
  RSA448991  Camissonia hirtella N. C. Cooper 1944-6-4 1375 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  UCR202233  Camissonia hirtella 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
  VVC332  Camissonia hirtella A. C. Sanders, J. Mac 1997-5-4 20635 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  POM97135  Camissonia hirtella P. A. Munz 1925-5-20 9833 Riverside 2 miles west of Dripping Springs. 427 Comment
  UCR258630  Camissonia ignota T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7895 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  UCR95458  Camissonia intermedia D. L. Banks, E. H. Banks, J. B. Hedge 1996-6-6 1118 Riverside NW Palomar Mtns, Agua Tibia Mtns: NW foothills of Dorland Mtn; S end of Los Caballos Road, UC Emerson Reserve, SW side of the Water Storage tank. 100 m north of the road jct between main preserve road and the road to the Emersn Cottage 457 Comment
  RSA708565  Camissonia pallida Scott D. White, Jennifer H. Jones 2005-5-24 11102 Riverside Banning Pass area: Cabazon. San Gorgonio River wash and adjacent alluvial flats and benches to west. 573 Comment
  UCR112973  Camissonia pallida B. G. Pitzer, T. Tennant 1998-2-21 3539 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10. 427 Comment
  POM259680  Camissonia pallida subsp. hallii P. A. Munz 1940-3-22 15660 Riverside Whitewater Canyon 2 miles north of Banning-Indio boulevard. Comment
  RSA186572  Camissonia pallida subsp. hallii Peter H. Raven 1958-5-5 12884 Riverside Joshua Tree National Monument, Salton View 1585 Comment
  POM212495  Camissonia pallida subsp. pallida E. A. Purer 1935-4-21 6484 Riverside Sandy area near Palm Springs Comment
  RSA186157  Camissonia pallida subsp. pallida William Theobald 1960-4-10 62 Riverside Pinyon Crest Road 2.5 miles from Palms-to-Pines Highway. Comment
  POM254351  Camissonia refracta P. A. Munz 1940-3-24 15712 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  RSA675983  Camissonia refracta Scott D. White 2001-4-17 8347 Riverside Sonoran Desert: Shaver s Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  UCR75091  Camissonia refracta A. C. Sanders, E. J. Lawlor 1992-4-4 12099 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA718774  Camissonia refracta Michael Honer, L. Hulse 2004-4-4 1927 Riverside SW base of Cottonwood Mtns., near MWD aqueduct, appx. .75 mi. N of I-10. E edge of Pinkham Wash. 488 Comment
  RSA395908  Camissonia strigulosa Steve Boyd 1986-4-22 1774 Riverside Temescal Canyon: Horsethief Wash N of Temescal Cyn. Road. Comment
  RSA586331  Camissonia strigulosa D. L. Banks, Steve D. Boyd 1995-5-3 196 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR201453  Camissonia strigulosa Scott D. White, Justin M. Wood 2008-6-5 12080 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 Comment
  SBBG93053  Camissoniopsis bistorta G. Ballmer 1990-5-5 Riverside SE boundary of San Jacinto Potrero land grant, just N of the Colorado River aqueduct, where rd crosses creek at the mouth of unnamed cyn to the E Comment
  SD143812  Camissoniopsis bistorta Steve Myers 1988-6-8 Riverside Along Via Majorca, between Avenida de Arboles and Paseo Montano, in the La Cresta region of the Santa Rosa Plateau. 671 Comment
  UC20431  Camissoniopsis bistorta H. M. Hall May 17 1901-Jun 1 1901 1909 Riverside Van Deventer's 1371 Comment
  UC668392  Camissoniopsis pallida subsp. hallii Annie M. Alexander and Louise Kellogg 1941-4-24 2072 Riverside gorge of Dry Morongo Creek Mohave Desert, Morongo Valley 640 Comment
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Sep 18 2012
  UCR166106  Camissoniopsis pallida subsp. hallii A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16252 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR92337  Cannabis sativa Scott D. White, M. D. Wilcox 1995-7-13 3477 Riverside Santa Ana Mtns., Unnamed canyon c. 0.25 mi. SW of Grand Ave., Lake Elsinore, directly downslope from hairpin turn on State Hwy 74. 488 Comment
  CSUSB541  Capsella bursa-pastoris D. L. Heald 1966-3-5 8 Riverside Corner of Monroe street and Magnolia Ave. 259 Comment
  SBBG57216  Carex M. Lewis 1947-8-26 2 Riverside Dark Cyn 1981 Comment
  CAS-BOT-BC17706  Carex alma Philip Alexander Munz 1941-5-18 16652 Riverside Elsinore Mountains. North end of Santa Rosa Ranch, 914 Comment
  CAS-BOT-BC18027  Carex athrostachya Peter Kamb 1948-7-4 1177 Riverside San Jacinto Mountains. Hall Canyon. 1645 Comment
  CAS-BOT-BC19172  Carex barbarae I. M. Johnston 1918-5-30 2022 Riverside Temescal Canyon (near Lee Lake). 335 Comment
  UC72393  Carex fracta H. M. Hall Jul 1901 2459 Riverside Tauquitz Valley San Jacinto Mountains 2133 Comment
  UCR108996  Carex globosa D. L. Banks 1997-3-29 1563 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  CAS-BOT-BC118513  Carex praegracilis A. C. Sanders; Steve Boyd 1980-5-19 1501 Riverside San Jacinto Mountains, Garner Valley. W of Kenworthy Ranger Station. 1371 Comment
  POM259166  Carex subfusca Phillip A. Munz 1938-8-14 15348 Riverside Virgin Spring, Santa Rosa Peak; 2287 Comment
  UCR51372  Carex triquetra D. C. Hawks 1988-5-15 s.n. Riverside Peninsular Range, Rainbow Canyon Road south of Temecula. Comment
  UCR114171  Castela emoryi B. G. Pitzer, J. Ross 1998-3-8 3594 Riverside Sonoran (Colorado) Desert, Hayfield Lake, on the lakebed, SE of pumping station, near center of lake 396 Comment
  UCR174425  Castilleja affinis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32481 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
  RSA0010961  Castilleja applegatei subsp. martinii Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3557 Riverside Vail Lake area, along Arroyo Seco drainage from junction with Kolb Creek. S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA701409  Castilleja exserta Steve D. Boyd, Aydee Virgen 2004-4-13 10870 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR158255  Castilleja exserta A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30108 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
  UCR174449  Castilleja exserta A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32504 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
  UCR241179  Castilleja exserta Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 47 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon above woodland stand H-01, toward Burro Flat 951 Comment
  UCR80822  Castilleja exserta Scott D. White 1993-5-29 1440 Riverside San Bernardino Mtns, Banning Canyon along the road to Raywood Flat, Yucaipa Ridge 1341 Comment
  JEPS10326  Castilleja exserta subsp. exserta W. L. Jepson 1935-4-17 19146 Riverside 1.5 mi n Elsinore 457 Comment
  POM307282  Castilleja foliolosa Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2137 Riverside Santa Rosa Mountains. Comment
  RSA770851  Castilleja foliolosa Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4937 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SD185309  Castilleja foliolosa T. B. Salvato, John F. Green 2004-5-27 633 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 1402 Comment
  SJSU11468  Castilleja foliolosa N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd c. 6 mi E of E shore Lake Elsinore Comment
  UCR133981  Castilleja foliolosa Mitch Provance, J. S. Ross 1998-3-27 MOR- 974 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon at mouth of Corral Canyon, c. 1 mile NW of VABM Mil (Peak 3620) 915 Comment
  RSA769505  Casuarina cunninghamiana subsp. cunninghamiana Justin M. Wood 2010-1-5 1408 Riverside City of Corona: Pomona-Rincon Rd, 0.2 miles N of intersection with Railroad St. 165 Comment
  UC597600  Caulanthus hallii Philip A. Munz 1937-5-30 15093 Riverside nw slope Santa Rosa Mts.; nw slope Santa Rosa Mts. 1828 Comment
  UCR174302  Caulanthus heterophyllus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32654 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
  UCR174523  Caulanthus heterophyllus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32484 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
  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
  RSA559937  Caulanthus lasiophyllus var. rigidus Steve Boyd 1992-4-18 6888 Riverside Vail Lake region, summit of Oak Mountain, N of lake near Henderson benchmark. 823 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
  UC870702  Ceanothus I. W. Clokey, E. G. Anderson 1935-8-21 6737 Riverside Fuller's Creek 1500 Comment
  LA41976  Ceanothus crassifolius W. Pequegnat; 1939-4-8 31 Riverside Santa Ana Mts Comment
  RSA570227  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7896 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  UC1018191  Ceanothus crassifolius J. Warren 1952-3-16 Riverside Ortega Hwy Mt. Lilac (by Lake Elsinore) 609 Comment
  UCR163217  Ceanothus crassifolius T. B. Salvato, Kelly Volansky 2003-3-27 132 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR174966  Ceanothus crassifolius Teresa Nieto 2005-4-24 21 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  SD229237  Ceanothus cuneatus var. cuneatus Dick Schwenkmeyer 2012-3-26 664 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  RSA33782  Ceanothus greggii var. perplexans N. C. Cooper 1944-5-20 1270 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  RSA570000  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7915 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  RSA570235  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7909 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  SBBG4268  Ceanothus perplexans M. Van Rensselaer 1937-7-21 Riverside W of Vandeventer Flat Comment
  UCR84591  Ceanothus perplexans Scott D. White, S. Ogg 1994-4-21 1973 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR155337  Ceanothus sorediatus A. C. Sanders, Mike Misenhelter 2005-3-23 29265 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UC284195  Centaurea melitensis P. A. Munz 1923-6-18 7123 Riverside 3 mi n of Lake Elsinore 411 Comment
  SD136925  Centaurea solstitialis Steve Boyd, Tim Ross 1994-9-14 8339 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area near junction of the Lucas Cyn and Verdugo trails 769 Comment
  UCR104891  Centaurea solstitialis A. C. Sanders, O. F. Clarke 1997-5-4 20670 Riverside Beaumont, near railroad on east side of Hwy 79, south of Hwy I-10 793 Comment
  RSA526081  Centaurium venustum Steve Boyd, T. S. Ross 1990-5-11 4654 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UCR193980  Centaurium venustum A. C. Sanders 2008-7-25 35898 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  RSA707580  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 s.n. Riverside Hemet. South of Highway 74, and west of Warren Road. Comment
  RSA714020  Centromadia pungens subsp. laevis R. E. Riefner 2004-8-27 04 -397 Riverside N of La Sierra Heights; NE ca. 1 mi off Arlington Ave. along dirt access road to Hidden Valley Wildlife Reserve. 207 Comment
  UCR93067  Ceratonia siliqua A. C. Sanders 1995-12-19 17937 Riverside University of California, Riverside. Botanic Garden 400 Comment
  CLARK-A1656-871  Cercidium floridum Jim Cornett 1977-7-2 Riverside Desert Hot Springs 441 Comment
  SEINET5543500  Cercocarpus betuloides R. H. Whittaker, W. A. Niering 1961-1 s.n. Riverside San Jacinto Mountians. 1524 Comment
  SEINET10543169  Cercocarpus ledifolius David B. Dunn 1946-8-17 Dunn 2721 Riverside Along trail 0.25 miles to hidden lake from round meadow 2441 Comment
  UCR270193  Cercocarpus minutiflorus A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-3 42414 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, c. 0.3 km NW (161 deg. ) of water tank 473 Comment
  POM351654  Chaenactis artemisiifolia N. C. Cooper 1944-6-4 1328 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  POM6069  Chaenactis artemisiifolia Jenkins, L. T. Street 1917-5-30 s.n. Riverside San Jacinto. Comment
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Nov 20 2011
  RSA180440  Chaenactis artemisiifolia E. W. Lathrop 1965-5-7 5706 Riverside 5 miles SW of Murrieta on the De Luz Road. Comment
  RSA561098  Chaenactis artemisiifolia Steve Boyd 1993-5-12 7335 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
  SBBG87440  Chaenactis carphoclinia D. Charlton 1988-2-25 1227 Riverside Dillon Rd and 1000 Palms Oasis Rd jct, parallel to Interstate 10, ca. 5 mi E of jct of Dillon Rd and Fargo Cyn Rd 609 Comment
  POM15196  Chaenactis carphoclinia var. carphoclinia Mary F. Spencer 1922-3-29 1444 Riverside Painted Canyon. 152 Comment
  UCR200302  Chaenactis carphoclinia var. carphoclinia Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11226 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UCR30051  Chaenactis carphoclinia var. carphoclinia A. C. Sanders 1983-4-24 3796 Riverside Sonoran (Colorado) Desert, alluvial fan at the NW end of Orocopia Mountains along Hwy 195, c. 3 miles NE of Shavers Well and 2.7 miles NE of the point where the road enters Box Canyon 367 Comment
  POM13016  Chaenactis fremontii Philip A. Munz, D. D. Keck 1922-4-14 4970 Riverside 10 miles W of Indian Wells 107 Comment
  RSA717622  Chaenactis fremontii Scott D. White, Andrea Warniment 2006-3-29 11275 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  UCR269114  Chaenactis fremontii Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4517 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 526 Comment
  UCR8406  Chaenactis fremontii Sally Bell 1964-4-18 s.n. Riverside Sonoran (Colorado) Desert; Coachella Valley, Desert Hot Springs, east side of Indian Canyon Dr., c. 3 miles from Twentynine Palms Highway [Hwy 62] junction 366 Comment
  UCR133425  Chaenactis glabriuscula Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 209 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  UCR174623  Chaenactis glabriuscula Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 345 Riverside Peninsular Ranges; San Jacinto Mtns., Turnout south of Mt. Edna Road along Calif. Hwy 243 1143 Comment
  UCR213904  Chaenactis glabriuscula Scott D. White, Justin M. Wood 2009-5-22 12910 Riverside San Jacinto Mountains, Idyllwild area, 'Strawberry Fuelbreak' between Strawberry Creek and road to sewage ponds 1456 Comment
  UCR274189  Chaenactis glabriuscula T. B. Salvato, Gregg Miller 2005-6-7 1437 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  RSA388497  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-5-1 1820 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  JEPS30496  Chaenactis stevioides Peter H. Raven 1958-1-24 11471 Riverside 4.5 mi n of State Highway 195 (on road to Cottonwood Springs) Comment
  SD258315  Chaenactis stevioides J. M. Andre 2013-3-21 24398 Riverside Grommet; West Riverside Mountains; At base of NW corner of range where sand rumps run up against granitic bouldery slopes, about 10 mi SW of Vidal Jct, 3 mi south of Grommet RR xing at Hwy 62 363 Comment
  UC69075  Chaenactis stevioides H. M. Hall 1905-5-1 6018 Riverside Cottonwood Springs Colorado Desert, Cottonwood Springs 670 Comment
  UC69076  Chaenactis stevioides H. M. Hall 1905-4-1 5903 Riverside near Chuckawalla Springs; Colorado Desert Comment
  UCD20147  Chaenactis stevioides Donald W. Kyhos 1976-3-17 67 -19 Riverside Along Twentynine Palms Highway, at Riverside- San Bernardino County line. Comment
  UCR196384  Chaenactis stevioides Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1422 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  UCR89894  Chaenactis stevioides A. C. Sanders 1992-4-5 12161 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley near Wiley's Well rest area on Hwy I-10, along dirt road to McCoy Spring 125 Comment
  POM41476  Chaenactis stevioides var. stevioides Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  POM99022  Chaenactis stevioides var. stevioides E. C. Jaeger 1926-3-26 s.n. Riverside Eagle Mts. Comment
  JOTR33955  Chamaesyce albomarginata La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2841 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  RSA561891  Chamaesyce albomarginata Steve Boyd, T. S. Ross 1992-6-10 7638 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04), at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  RSA626041  Chamaesyce albomarginata Scott D. White 1994-6-14 2073 Riverside Santa Gertudis Creek, ca. 1 mi. E. of Skunk Hollow. 396 Comment
  RSA736786  Chamaesyce albomarginata Scott D. White, Angelia Carey 2004-7-2 10551 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA0121596  Chamaesyce arizonica Duncan S. Bell, LeRoy Gross 2016-3-29 9106 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  RSA0031424  Chamaesyce polycarpa Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel 2013-2-24 4473 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  RSA594118  Chamaesyce polycarpa D. L. Banks 1996-4-8 0867 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW of the Cleveland National Forest and Agua Tibia Wilderness Area, NW Dorland Mountain Area, U.C. Emerson Preserve, S end of Los Caballos Road., Approximately 50 m inside the preserve boundary gate, 10 m NW of the main roads intersection with a small trailing heading to the W. 448 Comment
  UC68677  Chamaesyce polycarpa H. M. Hall Apr., 1905 5900 Riverside Cuckawalla Wash Colorado Desert Comment
  RSA432483B  Chamaesyce polycarpa var. hirtella G. R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms Colorado Desert Cal. Comment
  RSA0104640  Chamaesyce setiloba Duncan S. Bell 2014-11-14 7729 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  RSA433502B  Chamaesyce setiloba Christopher Davidson, Josephine Jones 1980-4-4 9947 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  UCR89885  Cheilanthes clevelandii A. C. Sanders 1995-11-26 17912 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  POM120993  Cheilanthes covillei Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  CAS-BOT-BC70295  Cheilanthes newberryi Elmer I. Applegate 1893-4-23 s.n. Riverside East Riverside Comment
  RSA605762  Cheilanthes newberryi Scott D. White 1996-3-16 3833 Riverside Perris Basin, Lakeview Mts, N of Winchester, at ''Maze Stone'' Picnic Area 610 Comment
  RSA685792  Cheilanthes newberryi Anonymous s.n. Riverside San Jacinto. Comment
  SEINET3870278  Cheilanthes newberryi A. C. Sanders, G. K. Helmkamp 1997-3-15 19917 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills.; 0 567 Comment
  RSA678351  Cheilanthes parryi Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10466 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR208185  Cheilanthes parryi N. C. Cooper 1944-4-8 1084 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Andreas Canyon 457 Comment
  RSA708182  Chenopodium album Scott D. White, Angelia Carey 2004-5-7 10328 Riverside Indian Creek and adjacent foothills. 549 Comment
  UCR126980  Chenopodium album A. C. Sanders 2002-12-13 25662 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons, basin W18 north of Trilogy Parkway 366 Comment
  RSA191449  Chenopodium ambrosioides E. W. Lathrop, R. F. Thorne 1967-9-26 6664 Riverside 6 miles NW of Murrieta. 610 Comment
  UCR128249  Chenopodium berlandieri A. C. Sanders, Kelly Volansky 2003-10-16 27333 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  UCR115131  Chenopodium berlandieri var. zschackei Mitch Provance 2000-10-28 2276 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  RSA736546  Chenopodium botrys Scott D. White, Angelia Carey 2004-7-2 10587 Riverside Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR154444  Chenopodium californicum A. C. Sanders, Mike Misenhelter 2005-6-15 30976 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
  UCR213388  Chenopodium murale A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37447 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  UCD169562  Chenopodium pratericola A. C. Sanders 2008-7-25 35907 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills. 1580 Comment
  UCR207249  Chenopodium pumilio O. F. Clarke 2004-5-21 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  RSA455309  Chilopsis linearis Albert J. Perkins 1916-4-16 s.n. Riverside Palm Canyon. Comment
  RSA777289  Chilopsis linearis Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4551 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD229110  Chilopsis linearis Dick Schwenkmeyer 2012-5-22 713 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UC2047744  Chilopsis linearis subsp. arcuata Sarah J. De Groot with Duncan S. Bell 2015-5-14 7373 Riverside White Water, along Pacific Trail about 400 m south of Forks 3028, and about 450 m south of Red Dome. Southeast side of San Bernardino Mountains of Red Dome. USGS quad: Catclaw Flat 7.5' Q. Comment
  UCD121659  Chilopsis linearis subsp. arcuata Marian L. Vincent; Richard H. Swade 1963-10-19 452 Riverside Snow Creek Road, 2 miles from its intersection with California State Hwy. 111. 365 Comment
  CAS-BOT-BC451474  Chimaphila umbellata P. A. Munz 1922-7-7 6055 Riverside North fork of Tahquitz Creek 2133 Comment
  UCR137380  Chloracantha spinosa Chris E. True, Laurel Salzman 2004-7-16 s.n. Riverside Perris Valley, 1 mile SE of Perris, San Jacinto River channel between Murrieta Rd. and Goetz Rd., SW of Case Rd. near the Perris Valley Airport 430 Comment
  RSA689436  Chloris truncata R. E. Riefner 2003-5-27 3 -254 Riverside Perris Valley, Rider Street near Perris Valley Storm Drain. 483 Comment
  RSA777390  Chorizanthe brevicornu Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 794 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  UC218056  Chorizanthe brevicornu var. brevicornu P. A. Munz, D. Keck Apr 9 1922-Apr 12 1922 4859 Riverside vicinity Corn Springs (Chuckwalla Mountains, Colorado Desert); Colorado Desert, Chuckwalla Mountains 457 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
  HSC78585  Chorizanthe corrugata G. K. Helmkamp 1983-3-24 3838 Riverside Little Chuckwalla Mtns., N base, 1.5 mi. E of Graham Pass Rd. 335 Comment
  SBBG27953  Chorizanthe corrugata F. W. Peirson 1927-4-12 7175 Riverside near fork of Painted Cyn near Mecca 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
  UCR59534  Chorizanthe leptoceras Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3619 Riverside Vail Lake, Sandy benches of Kolb Creek drainage, south of Hwy 79 488 Comment
  POM14995  Chorizanthe leptotheca Mary F. Spencer 1922-6-24 1975 Riverside Tahquitz trail pr. Idyllwild. 1829 Comment
  UCR217525  Chorizanthe leptotheca Jeff B. Galvin, John Dvorak 2010-6-17 137 Riverside San Jacinto Mountains, Along Rouse Hill Road, just west of Rouse Ridge 1501 Comment
  POM182352  Chorizanthe parryi var. parryi Katherine Brandegee 1905-5-12 s.n. Riverside Near Riverside. Comment
  RSA487196  Chorizanthe parryi var. parryi James L. Reveal 1988-5-23 6867 Riverside Along California Hwy 75 [74] at milepost 48, 3 miles E of Fairview Avenue in Valle Vista, N of the Hwy and south of the San Jacinto River. 610 Comment
  UCR211708  Chorizanthe parryi var. parryi Fred M. Roberts, Michelle Balk 2006-5-1 6327 Riverside Perris Basin, Old Salt Creek watershed, South Hemet Hills, west of California Ave, c. 2.8 km southwest of the west end of Hemet Ryan Airport runway 483 Comment
  UCR217661  Chorizanthe parryi var. parryi Ana Hernandez 2010-5-27 023 Riverside Perris-Aguanga Basin, Harford Spring. 2km northeast of Gavilan Peak and 235m east of Gavilan Road 598 Comment
  UCR217537  Chorizanthe polygonoides var. longispina Diane Menuz 2008-4-17 423 Riverside Peninsular Range: Santa Ana Mts., Santa Rosa Plateau, near intersection of Tormo Trail and Sylvan Meadows Road 553 Comment
  UCR281262  Chorizanthe polygonoides var. longispina Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 37 Riverside Peninsular Ranges, Sedco Hills (east end), along Beverly St. (especially the S side), between Green Meadow Way and Upton Dr. 537 Comment
  RSA709909  Chorizanthe rigida Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4614 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA557731  Chorizanthe staticoides Steve Boyd, Ken Berg, Sandy Morey, Jon Keeley 1992-5-3 7170 Riverside Vail Lake area, ridge about 1 mile west of the lake, east of ''Little'' Oak Mountain. 610 Comment
  UCR181353  Chorizanthe staticoides Nathan Moorhatch 2004-5-17 s.n. Riverside Santa Ana River Valley, Colton, Santa Ana River Wash, near the N. Main Street/Riverside Ave. Bridge 256 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
  SD178200  Chorizanthe xanti var. leucotheca D. E. Bramlet 2003-5-28 3453 Riverside Base of San Jacinto Mtns on spoil pile. 2,226m south of Cabazon, 2,287m northwest of Cabazon Peak, and 518m northwest of the Colorado River Aqueduct. 534 Comment
  UCR611  Chrysolepis sempervirens S. C. Warner 1956-5-20 s.n. Riverside San Jacinto Mtns., 1.5 mi. above Marion Mountain Camp along the trail to San Jacinto Peak 2561 Comment
  JOTR01247  Chrysothamnus teretifolius Cole, James E. 1941-10-20 929 Riverside Joshua Tree National Park. OPTIMIST MINE ROAD, LOST HORSE VALLEY 1310 Comment
  CAS-BOT-BC160615  Chylismia claviformis subsp. aurantiaca P. D. Hurd 1963-4-9 s.n. Riverside 3 miles south of Palo Verde Comment
  UC1329913  Chylismia claviformis subsp. aurantiaca James E. Cole 1941-6-17 919 Riverside in Live Oak Tank Joshua Tree National Monument 1219 Comment
  RSA0121003  Chylismia claviformis subsp. claviformis Duncan S. Bell, LeRoy Gross 2016-3-8 8830 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.75 air miles north of the Bradshaw Trail. 466 Comment
  RSA720651  Cichorium intybus John Green 2004-7-1 s.n. Riverside Santa Ana River Valley: just NW of Riverside Municipal Airport, drainage ca. 0.3 mi. south of Jurupa Road, just east of Van Buren Blvd. 229 Comment
  RSA0070673  Cirsium occidentale var. californicum P. A. Munz, D. D. Keck 1923-6-14 7077 Riverside Santa Ana Mts. Glen Ivy Trail to Santiago Peak. 1524 Comment
  UCR22001  Cirsium vulgare Steve Boyd 1980-7-6 321 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  CAS-BOT-BC438857  Cistanthe monandra Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  UCR120323  Cistus creticus Mitch Provance 1998-7-23 910 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  POM305378  Clarkia epilobioides Henry J. Ramsey, Henry J. Ramsey 1938-5-4 640 Riverside Elsinore. Comment
  HSC84170  Clarkia purpurea Karin Cleary 1987-5-20 38 Riverside Banning Bench, at the edge of the San Gragonio River Canyon, .8 km S of the end of the paved road on the Banning Bench Rd. 1213 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
  CAS-BOT-BC167131  Clarkia purpurea subsp. quadrivulnera Steve Boyd 2010-5-28 12287 Riverside Santa Ana Mountains: Elsinore Peak, just south of Main Divide Road, eastern base of knoll south of peak 1021 Comment
  RSA0013703  Claytonia LeRoy Gross, Grace Cho 2013-4-9 5999 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
  RSA781221  Claytonia parviflora A. C. Sanders, Matthew Malle 2010-4-23 37992 Riverside Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  RSA770694  Claytonia parviflora subsp. parviflora Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4795 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR149994  Claytonia parviflora subsp. parviflora Scott D. White, Angelia Carey 2004-4-16 10182 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  JOTR35134  Claytonia parviflora subsp. utahensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3246 Riverside Joshua Tree National Park. West of Queen Mountain, Wonderland of Rocks; narrow wash with large granitic boulders throughout corridor (Stop 2) 1302 Comment
  RSA614413  Claytonia parviflora subsp. viridis D. L. Banks 1997-3-16 1546 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  SD133030  Claytonia parviflora subsp. viridis Scott White 1991-5-10 91 140 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs 548 Comment
  UCR16508  Claytonia parviflora subsp. viridis Bill Schultz 1972-5-22 720522- 28 Riverside Peninsular Range, San Jacinto Mtns., Hwy 74, 0.3 miles west of McCall Park turn-off, east side of road 1372 Comment
  UCR214581  Claytonia perfoliata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37849 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
  JOTR32029  Clematis pauciflora Herskovits, Tasya & Harding, Mitzi 2011-4-28 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Mountain: Wonderland of Rocks; Wall Street Mill trailhead; open sandy flats surrounding boulder outcrops 1304 Comment
  RSA6085  Clematis pauciflora Carl B. Wolf 1932-5-25 3668 Riverside Snow Creek N base San Jacinto Mountains, just above the Fish Hatchery 640 Comment
  SDSU13525  Clematis pauciflora W. Miller with C. Mosse 1972-7-20 Riverside Comment
  UC1714505  Clematis pauciflora Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UC729660  Clematis pauciflora Carl B. Wolf 1932-5-25 3668 Riverside just above fish hatchery Snow Creek Canyon (n. base of San Jacinto Mts.); San Jacinto Mts., Snow Creek Canyon 670 Comment
  SBBG87891  Cnicus benedictus B. Pitzer, K. Kirtland 1986-5-6 264 Riverside 1.5 mi SE of Murrieta along Murrieta Crk; bounded on N by Fig St., on S by Elm St., on E by Adams Ave, on W by Jefferson Ave Comment
  UCR1325  Collinsia childii Martha McCarthy 1960-3-27 s.n. Riverside Santa Ana Mtns, 1/3 mi west of Tenaja Rd., 12.2 mi from junction with Washington Ave., Murrieta 732 Comment
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Jul 12 2007
  POM19573  Collinsia concolor Mary F. Spencer 1923-6-9 2166 Riverside In Idyllwild. 1646 Comment
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Oct 22 2011
  SDSU13334  Collinsia heterophylla var. heterophylla Tom Duffy, Taria Sagar 2000-4-29 4 Riverside Two hundred meters NE of Santa Margarita Ecological Reserve North end. 320 Comment
  RSA554247  Colubrina californica Theo Glenn 1991-5-14 91 -46 Riverside W side of Little Maria Mountains, NW of Blythe. 309 Comment
  UCR99568  Convolvulus arvensis Julie A. Greene, S. D. White 1993-7-5 1395 Riverside San Jacinto Valley, San Jacinto Wildlife Area, W side of dirt road. 445 Comment
  UCR241383  Convolvulus simulans T. B. Salvato, Mike Landers 2013-3-21 7385 A Riverside Perris-Aguanga Basin, Murrieta, between Hwy 215 and State Route 79 (Winchester Rd), 0.23 mi east of the intersection of Keller Rd and Menifee Rd 470 Comment
  POM319726  Conyza canadensis Patricia Wilder 1970-10-30 4822 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. About 1/2 mile east of dam tender's residence. Santa Ana River Drainage Area. East of Chino Hills. 152 Comment
  RSA784734  Conyza coulteri Duncan S. Bell 2012-3-18 3201 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  UCR17523  Cordylanthus nevinii Frank C. Vasek 1979-7-26 s.n. Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  UCR124220  Cordylanthus rigidus S. J. Myers 1988-6-8 s.n. Riverside Santa Rosa Plateau, Along Via Majorca, between Avenida de Arboles and Paseo Montano, in the 'La Cresta' region 671 Comment
  UCR108473  Coreopsis A. C. Sanders, D. Woodard, K. C. Rose 1995-3-22 16195 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  CAS-BOT-BC287881  Coreopsis californica J. T. Howell 1929-2-14 1232 Riverside Temescal Canyon 2 miles S of Glen Ivy Comment
  RSA523515  Coreopsis californica Steve Boyd 1990-3-30 3974 Riverside Vail Lake area, valley between Black Hills & Rocky Ridge. 701 Comment
  SEINET807422  Coreopsis californica Norman C. Cooper 1944-1 1024 Riverside Cabazon 457 Comment
  CAS-BOT-BC101306  Corethrogyne filaginifolia Frank W. Peirson 1924-7-28 5017 Riverside Pine Flats Camp, San Jacinto Mts. 1798 Comment
  UC895241  Corethrogyne filaginifolia I. W. Clokey and E. G. Anderson 1935-8-21 6963 Riverside e Keen Camp P.O. 1350 Comment
  SBBG56001  Cornus nuttallii F. C. Vasek 1964-7-25 640725 -18 Riverside Dark Cyn near Wet Cyn Cmpgrd Comment
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May 19 2012
  UCR207549  Coronilla O. F. Clarke 2004-2-4 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  CAS-BOT-BC300510  Correa O. F. Clarke 2008-1-3 s.n. Riverside Peninsular Range; foothills of Box Springs Mtns.: Riverside, Watkins Drive 351 Comment
  RSA0130299  Coryphantha alversonii Anonymous 1947-1 s.n. Riverside Cottonwood Springs Area. Comment
  CAS-BOT-BC427776  Crassula connata L. R. Abrams 1941-4-24 13933 Riverside San Gorgonio Pass near Cabazon 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
  RSA359856  Crassula connata Steve Boyd 1986-4-2 1630 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA593888  Crassula solieri Steve Boyd, Dave Bramlet 1996-4-19 8611 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  SD38405  Cressa truxillensis Edith A. Purer 1936-4-6 6880 B Riverside South of Elsinore Comment
  UCR207611  Cressa truxillensis O. F. Clarke 2004-5-7 s.n. Riverside Peninsular Range; San Jacinto Valley, San Jacinto Wildlife Area 442 Comment
  SEINET4691688  Crinodendron patagua O. F. Clarke 2006-1 s.n. Riverside Peninsular Range: Riverside; O. F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA85070  Crossosoma bigelovii F. W. Peirson 1921-3-21 2808 Riverside Gordon Trail from Andreas Canyon, east base of the San Jacinto Mtns. 1067 Comment
  UC218066  Crossosoma bigelovii A. F. Gilman 1922-3-19 Riverside Andreas Canyon Palm Springs Comment
  UCR97503  Crossosoma bigelovii John Wear, N. Moorhatch 1997-3-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Chino (Tramway) Canyon, both sides of road 500 Comment
  JOTR35016  Croton californicus La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3114 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  POM293088  Croton californicus Lyman Benson 1946-4-15 12021 Riverside 2 miles east of Banning, Colorado Desert. 609 Comment
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Jun 10 2008
  RSA480572  Croton californicus N. C. Cooper 1943-10-9 953 Riverside Hemet. 304 Comment
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Apr 29 2011
  RSA594005  Croton californicus D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0927 A 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
  UCR136187  Croton californicus Virginia Moran 2003-9-1 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  UCSB36657  Croton californicus Brownell, Kathleen 1980-5-18 Riverside 4 mi. E on Whitewater Canyon Rd. from I-10, San Bernardino Mtn. foothills; 50 ft. from Whitewater River Comment
  JEPS22569  Cryptantha angustifolia Rimo Bacigalupi with Paul Hutchison 1958-2-19 6200 Riverside 9.4 mi n Blythe (at w base of the Big Maria Mts.); Big Maria Mts. 167 Comment
  POM311696  Cryptantha angustifolia Sally Christian 1957-4-3 312 Riverside Road to 29 Palms, 1 mile from Hwy 99. 427 Comment
  POM368198  Cryptantha angustifolia D. A. Young 1969-3-28 342 Riverside At end of Hayfield Rd., S of Interstate Hiway 10. 305 Comment
  RSA676098  Cryptantha angustifolia Scott D. White 2001-4-3 8272 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  SBBG128627  Cryptantha angustifolia D. Silverman, A. C. Sanders 2010-3-23 7818 Riverside Chuckwalla Valley, dunes at SSE tip of Palen Lake, 1.5 km SW of Palen Dunes Dr, 3.2 km N of I-10 and 8 km ESE of Sidewinder Well 130 Comment
  SD126015  Cryptantha angustifolia F. R. Fosberg 1928-3-17 5141 Riverside Thousand Palms Canyon 60 Comment
  SEINET3083709 Image available Cryptantha angustifolia George K. Helmkamp, E. Helmkamp 1998-1-17 2546 Riverside Sonoran (Colorado) Desert; Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal 0 Comment
  UC196600  Cryptantha angustifolia Joseph Grinnell 1910-3-17 Riverside Colorado River Riverside Mt. Comment
  UC551811  Cryptantha angustifolia F. R. Fosberg 1932-3-13 10626 Riverside Thousand Palms Canyon Comment
  UCR104845  Cryptantha angustifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2668 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UCR245922  Cryptantha angustifolia Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3949 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  UCR279549  Cryptantha barbigera A. C. Sanders, Jim Malusa 2017-3-25 43001 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  UCR47671  Cryptantha barbigera F. R. Fosberg 1932-3-13 10627 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms Canyon 213 Comment
  GMDRC7789  Cryptantha barbigera var. fergusoniae J. M. Andre 2015-3-6 33550 Riverside Coachella Valley: sandy flats along Snow Canyon Rd, just south of Hwy 111 362 Comment
  JOTR35504  Cryptantha barbigera var. fergusoniae La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3192 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  UCR196106  Cryptantha barbigera var. fergusoniae Jim Andre 2006-4-6 8149 Riverside S Mojave Desert, Joshua Tree National Park, near water tank just south of Black Rock Visitor Center 1260 Comment
  UC2015582  Cryptantha costata A. C. Sanders with G. Helmkamp & P. MacKay 1995-3-12 16021 Riverside Coachella Valley: Indio, just SW of the Whitewater River Channel at Auto Center, Dr. (Highway 111). Comment
  RSA710002  Cryptantha holoptera Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4593 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  CLARK-A1528-1120  Cryptantha intermedia Charles S. Papp 1964-5-3 454 Riverside Riverside Comment
  CSUSB991  Cryptantha intermedia S. L. Lackey 1973-4-23 S. N. Riverside 26781 Kalmia Ave., Sunnymead; Roadside. 640 Comment
  OBI20749  Cryptantha intermedia Robert F. Hoover 1968-6-7 11157 Riverside Head of St. Johns Cyn Comment
  RSA32420  Cryptantha intermedia N. C. Cooper 1944-4-21 1097 Riverside Banning 701 Comment
  RSA658921  Cryptantha intermedia Bob Rogers 1984-4-28 24 Riverside North-facing slope adjacent to and on the South side of Hwy 74, 3.6 miles from Strawberry Creek going towards Mountain Center. 1220 Comment
  RSA771755  Cryptantha intermedia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4632 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA778145  Cryptantha intermedia J. Andre 2011-2-2 16234 Riverside Coachella Valley; mouth of Big Morongo Wash, 1 mile east of Hwy. 62, just N of North Indian Canyon Road, west of Desert Hot Springs. 7.5 miles north of I-10 487 Comment
  SD236231  Cryptantha intermedia John F. Green 2006-4-25 Riverside Peninsular Ranges; Foothills of Santa Ana Mountains / Santa Rosa Plateau; Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and la Serena Way; E of Veterans park (Bachelor Mtn 7.5'Q) 366 Comment
  SD247352  Cryptantha intermedia Tracy Tennant, Mitch provance 1998-6-16 MOR 439 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M 15. 1098 Comment
  UC1792809  Cryptantha intermedia A. C. Sanders 2001-4-8 23983 Riverside Western Colorado Desert: Coachella Valley, Desert Hot Springs, N of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 347 Comment
  UC1929988  Cryptantha intermedia Scott D. White, Justin Wood 2008-6-16 12126 Riverside San Jacinto Mountains: Fobes Canyon, =/- 1 mile up Fobes Ranch Road from Fobes Spring. Comment
  UCR137565  Cryptantha intermedia A. C. Sanders 2004-5-5 27776 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR91393  Cryptantha intermedia Scott D. White 1995-4-5 2710 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  SDSU21778  Cryptantha juniperensis A. C. Sanders 2012-4-6 40006 Riverside Peninsular Range; Santa Ana Mtns. Area: Remescal Canyon, side canyon above washout along old (c. 1926) Corona-Elsinor RR route between I-5 and Temescal Cyn. Rd., c 10 miles south of Corona 319 Comment
  RSA0121002  Cryptantha maritima Duncan S. Bell, LeRoy Gross 2016-3-8 8831 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.75 air miles north of the Bradshaw Trail. 466 Comment
  UCR275516  Cryptantha maritima D. E. Bramlet 2010-3-1 4451 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  POM46810  Cryptantha maritima Mary F. Spencer 1920-4-7 1528 Riverside Palm Canyon, Colorado Desert 213 Comment
  UC604897  Cryptantha micrantha Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9523 Riverside 16 mi from Cottonwood Springs; Pinto Basin Comment
  SEINET10456362  Cryptantha micrantha David B. Dunn 1948-3-14 Dunn 3770 Riverside Found in flat open sands near Hidden Springs Ranch 5 mi S of the Indio Hills in the Colorado Desert. Comment
  SD212524  Cryptantha microstachys A. C. Sanders 2006-5-19 32441 Riverside Hills between Murrieta and Menifee Valley, west of I-215, South of Bundy Canyon/Scott Road and North of Clinton Keith Road. 518 Comment
  SBBG87639  Cryptantha muricata var. muricata A. C. Sanders 1986-6-1 6537 Riverside trail toward Spitler Pk from the Turkey Crk camp to Bonita Vista rd 1706 Comment
  RSA617204  Cryptantha nevadensis L. C. Wheeler 1953-3-31 7037 Riverside Near Mountaineer Mine. Comment
  UCR279334  Cryptantha nevadensis var. nevadensis A. C. Sanders, Jim Malusa 2017-3-23 42923 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
  HSC25820  Cryptantha racemosa Richard Spjut 1972-3-20 2289 Riverside Colorado Desert; N base of the Chuckawalla Mtns., 3-4 mi. S of Desert Center 305 Comment
  UCR15893  Cryptantha racemosa George K. Helmkamp 1979-4-18 s.n. Riverside Little San Bernardino Mtns/Sonoran (Colorado) Desert, Berdoo Canyon, 3.5 mi north of Dillon Road 457 Comment
  SDSU18688  Cryptantha utahensis Kristen Hasenstab, M. G. Simpson 2008-4-1 53 Riverside Joshua Tree National Park. 1000 ft from Cottonwood Springs campground. Near sign for entrance from campground to Mastodon loop trail. Hillside is covered with this species of Cryptantha, especially on north facing slopes. 905 Comment
  UC28914  Cucurbita palmata H. M. Hall 1901-8-6 2654 Riverside vicinity Riverside 457 Comment
  UCR215592  Cucurbita palmata Jim Andre, T. La Doux 2008-9-16 10705 Riverside Mojave Desert, Joshua Tree National Park, on the northeast end of Splitock Picnic Area 1327 Comment
  CAS-BOT-BC224605  Cuscuta californica var. papillosa D. A. Johansen; J. A. Ewan 1932-4-11 7095 Riverside Deep Canyon Wash, Colorado Desert Comment
  CDA39945  Cuscuta campestris R. Davis 1960-5-24 s.n. Riverside 0 Comment
  RSA653582  Cuscuta campestris A. C. Sanders, D. E. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23171 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
  RSA795921  Cuscuta denticulata Duncan S. Bell 2009-4-19 289 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCR266409  Cuscuta salina D. E. Bramlet, R. E. Riefner Jr. 2005-6-7 3874 A Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 1.6 km west of SW end of Hemet-Ryan Airport and 4.25 km NE of Winchester, c. 300 ft. north of Stetson Ave & 900 ft. east of California Ave., west of MWD Canal 457 Comment
  POM1182  Cynodon dactylon I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. Comment
  CAS-BOT-BC143217  Cyperus albostriatus O. F. Clarke 2006-4-25 s.n. Riverside Peninsular Range: Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 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
  UCR25065  Cyperus erythrorhizos John C. Roos 1951-9-25 5249 Riverside Riverside, Fairmount Park 259 Comment
  UCSB45585  Cyperus erythrorhizos Roos, John 1951-9-25 Riverside Fairmount Park, Riverside 259 Comment
  UCR117072  Cyperus involucratus A. C. Sanders, Steven R. Hill 2001-5-4 24149 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, Carancho Rd. at stream crossing (nameless tributary to De Luz Creek) west of Camaron Rd., east of Calle Calmar 396 Comment
  RSA736909  Cyperus niger Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10680 Riverside Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  UCD141207  Cyperus niger Scott D. White; Angelina Carey 2004-9-16 10759 Riverside San Jacinto Mountain: Indian Creek watershed, above confluence with San Jacinto Rover. 579 Comment
  UC1100637  Cyperus rotundus Herbert L. Mason and S. Galen Smith 1948-9-3 503 Riverside Thermal Comment
  POM11657  Cystopteris fragilis P. A. Munz, I. M. Johnston 1922-5-19 5386 Riverside 3 miles west of Keen Camp. 1494 Comment
  SBBG68019  Dalea mollis unknown 1893-1 Riverside Agua Caliente [Palm Springs] Comment
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Jul 16 2010
  SEINET958537  Dalea mollis Unknown 2005-1 5757 Riverside NE riverside Co., Rice Vallet, SE of Danby Dry Lake, S. of Highway 62, along Midland (Blythe-Rice) Road, S. of rail road crossing. 234 Comment
  UCR254628  Dalea mollis Jim Andre, Glenn Clifton, Ron Kelley 2013-3-21 24392 Riverside NE Colorado Desert, West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of Grommet RR xing at Hwy 62 363 Comment
  JEPS41649  Dalea mollissima H. M. Hall Apr. 1905 5792 Riverside Colorado Desert Comment
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Sep 11 2011
  JOTR16699  Dalea mollissima Vanderspek & Youse 1964-4-19 64537 Riverside Joshua Tree National Park. WILSON CANYON 853 Comment
  POM172738  Dalea mollissima M. French Gilman 1930-4-6 1 Riverside East of Mecca. Comment
  SEINET10452145  Dalea mollissima David B. Dunn 1946-3-16 Dunn 2069 Riverside Collected on dry plateau 1/2 mi ne of pushawalla palms. Indio hills. Sparse Desrt scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  UCR74373  Dalea mollissima Theo Glenn 1991-5-2 91- 17 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  SBBG6578  Datura discolor H. and M. Dearing 1942-4-6 4866 Riverside 25 mi N of Blythe Comment
  UCR30448  Datura stramonium John C. Roos 1965-10-6 s.n. Riverside Santa Ana River at Pedley 201 Comment
  SDSU13537  Datura wrightii W. Miller 1972-8-9 Riverside Comment
  UCR3497  Datura wrightii Frances Miller 1964-5-5 M 6431 Riverside just above RR tracks at base of Box Springs Mtns, end of Big Springs Rd. 396 Comment
  CLARK-A1528-7776  Daucus pusillus John C. Roos 1937-5-2 1399 Riverside La Sierra Comment
  RSA709192  Daucus pusillus A. C. Sanders 2005-4-28 29756 Riverside Peninsular Ranges: Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine. 625 Comment
  SD137927  Daucus pusillus Darin L. Banks, Steve Boyd 1995-6-2 573 Riverside Northwest Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; north face of north peak of Agua Tibia Mountain. 890 Comment
  SD144088  Daucus pusillus A. C. Sanders, P. MacKay, T. Thomas & O. Clarke 1997-5-4 20684 Riverside San Jacinto Mountains: N side of the range, Twin Pines Creek drainage, dry slopes above Brown Crk. 915 Comment
  UCR182524  Daucus pusillus Mitch Provance 2005-5-17 6575 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  SD186075  Deinandra kelloggii A. C. Sanders, Mike Misenhelter 2005-6-15 31004 Riverside 2.0 miles northnortheast of Vail Lake, 4.0 miles southsouthwest of Sage, Denise Rd. at Bonita Rd. near Calle de Nino, 1.2 miles northeast of summit of (Big) Oak Mtn., southwest of Rocky Ridge and southeast of Black Hills. 640 Comment
  RSA674656  Deinandra mohavensis Scott D. White 2000-8-22 8120 Riverside Gibbel Flat in the Santa Rosa Hills. 610 Comment
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Dec 16 2012
  CLARK-A1528-3860  Delphinium parishii subsp. parishii John C. Roos 1947-5-10 3612 Riverside Reche Canyon Comment
  UCSB36658  Delphinium parishii subsp. parishii Brownell, Kathleen 1980-5-16 Riverside 3 mi S. on Tenaja Rd; from Calle Colina; Santa Ana Mts Comment
  RSA0020491  Delphinium parishii subsp. parishii Donald A. Johansen, Joseph A. Ewan 1932-4-10 7094 Riverside Mouth of Tahquitz Canyon, Western Colorado Desert. Comment
  SD152772  Delphinium parryi Steve Boyd, Tim Ross 1992-5-4 7191 Riverside San mateo Canyon Wilderness, Oak Flats area east of Verdugo Potrero, native grassland 730 Comment
  UCR167435  Delphinium parryi John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  SD144438  Delphinium parryi subsp. parryi Scott D. White 1997-5-25 5230 Riverside Bautista Canyon: Hixon Trail between trailhead at Bautista Canyon Road and intermittent stream crossing 975 Comment
  UCR194234  Delphinium parryi subsp. parryi Mitch Provance, Michael L. Fugate 2005-4-14 10054 Riverside San Bernardino Valley, near the water tanks just E of Versity Hill, or what is known locally as Coyote Hill (pk 1386), a few hundred yards SSE of the UCR Campus 396 Comment
  CAS-BOT-BC82956  Dendromecon rigida Steve Boyd 1986-4-22 1748 Riverside Temescal Canyon. Benches of Indian Wash just south of Interstate 15. Comment
  HSC16738  Dendromecon rigida C. L. Hitchcock 1966-3-15 24160 Riverside 3 mi. E of Glen Ivy Hot Springs Comment
  UC855078  Dendromecon rigida I. W. Clokey and E. G. Anderson 1935-8-21 6638 Riverside w Black Mountain (along road) 1500 Comment
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Nov 20 2010
  RSA433241  Dendromecon rigida subsp. rigida N. C. Cooper 1944-6-17 1414 Riverside above Banning Comment
  RSA433552  Dendromecon rigida subsp. rigida N. C. Cooper 1944-7-15 1599 Riverside Idlewild [Idyllwild], San Jacinto Mountains. 1524 Comment
  RSA697469  Descurainia pinnata J. R. Bruff 1929-4-2 109 Riverside Canon 1 mi. W. of Morongo. Comment
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Nov 9 2011
  CAS-BOT-BC43363  Descurainia pinnata subsp. glabra Nancy Ryan Zabriskie 1970-3-27 262 Riverside Near Ryan cabin. Andreas Canyon, near Palm Springs. 365 Comment
  IRVC51  Dichelostemma capitatum subsp. capitatum Don Pfirrmann 1965-4-24 HS 0099 Riverside Upper San Juan Creek Camp; Ortega Hwy [74]. Peninsular Ranges, Santa Ana Mountains Comment
  CAS-BOT-BC292184  Dicoria canescens Marcus E. Jones 1924-10-1 s.n. Riverside Whitewater Comment
  RSA643295  Dicoria canescens R. D. Goeden, D. W. Ricker 1986-5-29 s.n. Riverside Coachella Valley: Indio, Monroe St. -6 Comment
  UC537240  Dicoria canescens M. E. Jones 1933-12-29 Riverside Palm Springs Comment
  UC1422542  Dieteria canescens var. ziegleri Jeanine Derby and Tim Krantz 1977-10-13 Riverside on 7SO2 3.6 mi se junction with highway 74 turnoff to Santa Rosa Peak; Santa Rosa Mts. 2377 Comment
  CAS-BOT-BC209014  Digitaria sanguinalis Mary F. Spencer 1919-7-6 1265 Riverside Lacquitz Meadow, San Jacinto Mts. 2377 Comment
  RSA626156  Dinebra retroflexa R. E. Riefner 1999-3-15 99 -162 Riverside Hemet, Bautista Road and Fairview Street. Comment
  RSA0019292  Diplacus brevipes Duncan S. Bell, Joy D. England 2010-6-7 1270 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 780 Comment
  RSA0019278  Diplacus brevipes Robert L. Rutherford 1944-5-21 1222 Riverside San Jacito Mtns. West Side. 915 Comment
  CAS-BOT-BC153100  Diplacus fremontii B. Ertter; J. Strachan 1979-6-26 2989 Riverside Banning-Idyllwild Road (Hwy 243) at Black Mtn turnoff (Forest Rd 4Sol), San Jacinto Mts. Comment
  RSA0019420  Diplacus fremontii Scott D. White 1999-6-6 7440 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  CAS-BOT-BC150874  Diplacus puniceus C. F. B. 1904-4-4 4152 Riverside Elsinore Comment
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Sep 3 2017
  PASA103  Diplacus puniceus Margaret Stason 1931-3-30 Riverside Near Pala Comment
  SDSU13686  Diplacus puniceus Janet M. Knotts, Jill Steinberg 1998-4-22 22 IV1998B Riverside A few ft. E of strea on N side of footpath, ca. 0.5 mile NW of SDSU Santa Margarita Field Station, north of Santa Margarita River. 354 Comment
  SBBG541  Distichlis spicata H. and M. Dearing 1936-12-25 Riverside near Thousand Palms Comment
  POM13723  Ditaxis lanceolata E. C. Jaeger 1921-3-13 54 Riverside Red Rock Canyon near Mecca, Colorado Desert. Comment
  RSA421605  Ditaxis lanceolata I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canon [see my comment at locn B, above -SDW 2004] Comment
  UCR72204  Ditaxis neomexicana Theo Glenn 1991-5-22 91- 73 Riverside Sonoran (Colorado) Desert, Arica Mountains, SW of Rice. 309 Comment
  UCD142319  Ditaxis serrata G. L. Webster; R. Hildreth 1966-12-10 7470 Riverside C. 7-8 mi NE of Mecca on Cal. 195. 198 Comment
  POM7117  Dithyrea californica P. A. Munz, L. T. Street 1919-3-25 2309 Riverside Sand dunes. Whitewater. 305 Comment
  RSA530740  Dithyrea californica B. C. Templeton, I. W. Clokey 1930-4-9 1075 Riverside Palm Springs Station; Colorado Desert 400 Comment
  RSA607585  Dithyrea californica R. S. Woglum 1939-4-11 2204 c Riverside Sonora Desert: Desert Center. Comment
  RSA660045  Dithyrea californica Carol Zuck 1981-2-15 19 Riverside 1.3 miles south on Bob Hope Dr. from the junction at Country Club Dr. Comment
  UC186810  Dithyrea californica S. B. and W. F. Parish April 1882 15 Riverside Whitewater, borders of the Colorado Desert Colorado Desert Comment
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Jul 15 2009
  SEINET10937427  Dithyrea californica Billy Joe Cox 1975-4-23 Cox 4127 Riverside Palo verde, 1-3 km w, ca 32 mi s of blythe; creosote desert scrub; sandy and Gravelly entisols. Riverside/imperial co line. 100 Comment
  RSA69040  Dodecatheon redolens F. W. Peirson 1924-7-27 4999 Riverside Deer Springs, San Jacinto Mtns. 2668 Comment
  RSA0121173  Draba cuneifolia Duncan S. Bell, LeRoy Gross 2016-3-30 9177 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  RSA778256  Draba cuneifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 922 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  UC114421  Drymocallis lactea var. lactea A. W. Anthony 1895-7-9 Riverside San Jacinto Mountains 2590 Comment
  UCSB45526  Dryopteris arguta Roos, John 1952-4-13 Riverside Box Springs Mtns. 518 Comment
  RSA0015684  Dudleya Duncan S. Bell, John Anderson, Kim Clark, Ed Howland 2013-9-29 6042 Riverside Chuckwalla Mountains; on the south side of Corn Springs Wash, approximately 2.75 air miles west of Corn Springs and about 0.25 air mile southeast of Aztec Well. 609 Comment
  UCR26374  Dudleya abramsii subsp. abramsii A. C. Sanders 1981-7-11 2205 Riverside San Jacinto Mtns., Bull Canyon Road just inside the Forest Service boundary Comment
  CAS-BOT-BC411414  Dudleya lanceolata Reid Moran 1946-5-25 2057 Riverside S slope of Box Springs Mountain 548 Comment
  RSA125606  Dudleya lanceolata Lee W. Lenz, H. N. Metcalf 1957-6-7 22623 Riverside About 15 mi. south of Hemet along Hwy 79. Comment
  SD212578  Dudleya lanceolata A. C. Sanders, T. B. Salvato and Kelly Volansky 2006-5-28 32628 Riverside Hills between Murrieta and Menifee Valley, west of I-215 south of Bundy Canyon/Scott road and north of Clinton Keith Rd. 579 Comment
  UCR241631  Dudleya lanceolata T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 378 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, below mouth of Lion Canyon along the road toward the canyon from Deep Creek Rd. 569 Comment
  CAS-BOT-BC109607  Dudleya saxosa subsp. aloides Carl B. Wolf 1937-4-5 8414 Riverside San Gorgonio Pass, 1 mile west of Whitewater. 365 Comment
  RSA6659  Dudleya saxosa subsp. aloides B. D. Stark 1933-4-2 4536 Riverside Pinyon Flats, San Jacinto Mts. Upper Sonoran, (Palms) to Pine Road. 1220 Comment
  UC1015385  Dudleya saxosa subsp. aloides Reid Moran 1947-5-10 2181 Riverside 1 mi e Santa Rosa Summit (Palms-to-pines Hwy) 1371 Comment
  CAS-BOT-BC197012  Echinochloa colona Malcom A. Nobs; S. Galen Smith 1948-9-3 488 Riverside Imperial Valley. 2 miles north of Indio Comment
  UCR95726  Echinochloa crus-galli D. L. Banks, Lauren Raz 1996-8-29 1134 Riverside Agua Tibia Mtns., NW Palomar Mtns, NW foothills of Dorland Mtn. Los Caballos Road, c. 0.5 m south of Hwy 79, 100 m north of the Golf Course access road. 399 Comment
  UC581339  Eclipta prostrata George Black 1937-11-26 Riverside Riverside, canal along Santa Fe tracks near Pachappa Station Comment
  SDSU14317  Ehrharta longiflora Ingrid Poulin, Dr. M. G. Simpson & Biology 531, class of Spring 2002 2002-4-20 25 Riverside Santa Margarita Ecological Reserve - Northside; bank of Santa Margarita River. 229 Comment
  RSA65625  Elatine californica F. W. Peirson 1922-5-21 4109 Riverside Hemet Valley. [Hemet Valley = Garner Valley -SDW] 1338 Comment
  CAS-BOT-BC112922  Eleocharis macrostachya Mitch Provance 2005-5-17 6568 Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, 420 Comment
  UC838966  Eleocharis macrostachya I. W. Clokey and E. G. Anderson 1935-8-21 6565 Riverside Hemet Lake 1320 Comment
  POM14326  Eleocharis palustris Phillip A. Munz 1922-7-4 5972 Riverside Hemet Valley, San Jacinto Mountains. 1372 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
  RSA652205  Ellisia chrysanthemifolia Dolores Perez 1981-4-11 13 Riverside Cajalco Rd., between I-15 and Temescal Canyon Rd. Comment
  SBBG59329  Elymus elymoides R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns Comment
  UCR202435  Elymus elymoides 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
  CLARK-A1528-56  Elymus glaucus C. M. Flanagan 1973-5-22 OO 904 Riverside Rubidoux Comment
  UC729843  Elymus glaucus Carl B. Wolf 1932-8-5 3942 Riverside along trail from Tahquitz Valley to San Jacinto Peak; San Jacinto Mts. 2621 Comment
  SD137957  Elymus glaucus subsp. glaucus Darin L. Banks, Steve Boyd 1995-5-17 469 Riverside Northwest Palomar Mtns; Cleveland N.F., Agua Tibia Wilderness Area; North face Agua Tibia Mountain, East of the Dripping Springs Alcove area West of the Dripping Springs Trail, at the spring just inside the wilderness boundary in north-central Section 33 730 Comment
  RSA507944  Elymus glaucus subsp. virescens Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2262 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  CAS-BOT-BC234140  Elymus multisetus Le Roy Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  SEINET4135635  Elymus multisetus Steve Boyd, Tim Ross 1992-5-15 7387 Riverside Southern Santa Ana Mountains, southeastern flank of Elsinore Peak at 'Onion Hill', a grassy knoll of clay soil about 1/4 miles SE of radio towers, along old Main Divide Road tracks.; 0 1021 Comment
  UCR91549  Elymus triticoides A. C. Sanders 1995-11-26 17916 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  HSC86343  Emmenanthe penduliflora Jane Hildreth 1981-6-4 22 Riverside 5 mi. S of banning along Hwy. 243, San Jacinto Mtns. 1067 Comment
  JEPS1577  Emmenanthe penduliflora L. M. Newlon 1922-4-4 445 Riverside Andreas Canyon; San Jacinto Mts. Comment
  UCR244419  Emmenanthe penduliflora Jim Andre 2012-4-16 20914 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  UCR279586  Emmenanthe penduliflora A. C. Sanders, Jim Malusa 2017-3-28 43145 B 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
  RSA679112  Emmenanthe penduliflora var. penduliflora M. Wall, Sean Wall 2003-4-26 307 Riverside NE of Skinner Reservoir, Rawson Canyon, Rawson Rd. 2.7 miles from jct. with Washington Ave. Comment
  JEPS34095  Encelia actoni Marjorie D. Clary 1932-5-12 1904 Riverside Lost Horse Canyon north Colorado Desert, Little San Bernardino Mountains, Lost 1066 Comment
  JOTR31162  Encelia actoni La Doux, Tasha 2009-6-3 1868 Riverside Joshua Tree National Park. (Stop 5): Little San Bernardino Mountains, Covington Flats Area, lower slopes, just above parking area for lower Covington Flats 1460 Comment
  UCR263476  Encelia actoni A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41503 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 3 miles east of Cabazon, south of I-10 and generally NE of water bottling plant 457 Comment
  CAS-BOT-BC131186  Encelia californica John C. Roos 1952-4-16 5557 Riverside Pigeon Pass, Box Springs Mts. 396 Comment
  RSA85478  Encelia californica J. C. Roos 1952-4-16 5557 Riverside Box Springs Mountains, Pigeon Pass. 396 Comment
  CAS-BOT-BC131347  Encelia farinosa C. L. Hitchcock 1940-4-2 5923 Riverside Cottonwood Springs wash, Joshua Tree Nat. Monument Comment
  HSC47356  Encelia farinosa Richard Spjut, C. E. Edson 1978-4-24 4954 Riverside Along Hwy. 74 W of Palm Desert in the San Jacinto Mtns. 457 Comment
  JEPS23539  Encelia farinosa Peter H. Raven 1958-2-15 11585 Riverside along U. S. Highway 60 (8.7 mi e of road to Wiley Wells) Comment
  OBI16596  Encelia farinosa H. E. McMinn 1937-3-6 5017 Riverside About 40 mi N of Blythe; River rd Comment
  RSA0069673  Encelia farinosa Cheryl Sevilla, Sarah J. De Groot, Duncan S. Bell 2015-2-10 5 Riverside In the Bear Creek drainage of the Santa Rosa Mountains. 2.3 air miles west of Lake Cahuilla; south of La Quinta; north of Devil Canyon; southwest of Coachella Valley. 193 Comment
  RSA701091  Encelia farinosa Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11255 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., [Coordinates are off a little and map in Riverside Co.] 570 Comment
  UCD19708  Encelia farinosa Donald W. Kyhos 1965-3-13 65 -111 Riverside 6.2 miles west of junction of Hwy 78 and Hwy 60-70 near Blythe. Comment
  UCR120933  Encelia farinosa A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24933 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  SEINET10618306  Encelia farinosa Billy Joe Cox 1975-4-23 Cox 4130 Riverside Palo Verde, 1-3 km. W, (ca. 32 mi. S of Blythe). Riverside-Imperial Counties. 70 Comment
  POM31425  Encelia farinosa var. farinosa Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  POM356699  Encelia farinosa var. farinosa Chas Gabriel 1925-12-16 228 Riverside Palm Springs. Comment
  RSA131518  Encelia farinosa var. farinosa Ronald Basmajian 1956-3-26 29 Riverside Highway to Palm Springs from Yucca Valley. 1 mile south of Riverside-San Bernardino county line on right hand side of road. 762 Comment
  UCR232397  Encelia farinosa var. phenicodonta Dave Silverman, Mark Bibbo 2010-3-31 7837 Riverside Sonoran (Colorado) Desert, southern McCoy Mtns, east bajada flank, 1.5 km west of Black Creek Rd, 6.5 km north of I-10, and 6.9 km ENE of McCoy Peak 177 Comment
  CAS-BOT-BC131442  Encelia frutescens R. D. Alderson 1895-3-31 967 Riverside [Palmetto Spg.,] Palm Springs, Colo. Desert 243 Comment
  UCR281022  Ephedra aspera Fred M. Roberts 2016-3-5 8002 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  LA6775  Ephedra californica LeRoy Abrams; 1903-4-6 3204 Riverside Palm Springs Comment
  NY43333  Ephedra californica C. R. Annable 1995-3-9 2252 Riverside Ca. 14.5km NW of Palm Springs, N slope of Whitewater Hill Comment
  RSA188721  Ephedra californica H. U. Stauffer, Robert F. Thorne 1964-5-5 5921 Riverside 6.5 km south of Morongo Valley, 4.8 km south of County border. 550 Comment
  RSA771863  Ephedra californica Robert F. Thorne, M. Z. Thorne 1973-3-30 42689 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs 488 Comment
  UC1929884  Ephedra californica Scott D. White, Michael Honer 2003-5-13 9235 Riverside SAN BERNARDINO MTNS: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. Open wash & alluvial benches. Comment
  JOTR35307  Ephedra nevadensis Andre, Jim 2012-4-11 20808 Riverside Joshua Tree National Park. western margin of Eagle Mountains, along road to Cottonwood Spring (Utah Trail), 0.7mi N of Cottonwood Visitor Center 956 Comment
  RSA796329  Ephedra trifurca Duncan S. Bell 2009-4-18 222 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  SEINET10532277  Ephedra trifurca Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 Holmgren 6477 Riverside Rice Valley, 3 mi SSW of Rice. Common among sand dunes. 244 Comment
  CLARK-A1528-2673  Ephedra viridis John C. Roos 1949-4-10 4224 Riverside Chuckwalla Mountains Comment
  CLARK-A1528-3342  Epilobium adenocaulon var. parishii John C. Roos 1952-4-23 5577 Riverside Box Springs Mountain 457 Comment
  UC1043025  Epilobium campestre John C. Roos 1952-5-14 5662 Riverside near Box Springs; Edgemont 487 Comment
  SD132341  Epilobium canum subsp. canum Scott White 1990-10-23 Riverside 8.5 miles eastnortheast of Temecula; east of De Portola Rd. on El Dorado Road. 487 Comment
  UCR92156  Epilobium canum subsp. canum D. L. Banks, Steve Boyd 1995-10-17 0812 Riverside NW Palomar Mtns; Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, south of the Dripping Springs Campground. Along alluvial benches where Arroyo Seco turns to the E, just west of the Metasedimentary hills 525 Comment
  CAS-BOT-BC171730  Epilobium canum subsp. latifolium R. J. Kessler 1921-10-1 1938 Riverside San Jacinto Mts. Comment
  RSA588337  Epilobium ciliatum subsp. ciliatum E. A. McGregor 1964-9-16 s.n. Riverside Idyllwildm San Jacinto Mountains. Comment
  UC20050  Epilobium ciliatum subsp. glandulosum H. M. Hall 1901-7-24 2562 Riverside small spring on steep n side San Jacinto Mountains Comment
  UCR193753  Epilobium densiflorum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35650 Riverside Peninsular Range; San Jacinto Mtns., May Valley, slopes west of Herkey Creek and north of Bonita Vista Rd., SSW of Fleming Ranch 1524 Comment
  UCR90616  Epilobium densiflorum Scott D. White 1995-6-29 3404 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  UC162736  Epilobium glaberrimum subsp. glaberrimum H. M. Hall 1896-9-3 323 Riverside San Jacinto Mountains Comment
  RSA382720  Epipactis gigantea George Henry Grinnell 1924-5-24 s.n. Riverside Riverside. Comment
  UCR16317  Equisetum hyemale subsp. affine Tony Beck 1968-4-3 680403- 03 Riverside Western Colorado Desert/ San Bernardino Mtns., 4 mi south of trout pond on Whitewater Canyon Rd. c. 120 yards east of rd. 549 Comment
  UCR156276  Eragrostis T. B. Salvato, Kent Beaman 2005-5-16 852 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
  POM1186  Eragrostis cilianensis D. L. Crawford s.n. Riverside Riverside. Comment
  UCR24517  Eragrostis mexicana subsp. virescens Alfred R. Roos 1937-8-17 10609 Riverside San Jacinto Comment
  UC1495814  Eragrostis pectinacea var. pectinacea A. C. Sanders and S. Hagopian 1981-5-20 2154 Riverside se Temecula (ne of S16 along the entrance road to the Cal Turf Sod Farm, Wolf Valley); Wolf Valley 329 Comment
  RSA0107384  Eremalche rotundifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi S. Fraga 2011-3-17 766 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  RSA206252  Eremogone ferrisiae Reid V. Moran 1968-8-3 15366 Riverside N slope 1 mile W of summit, Santa Rosa Mtn. 2150 Comment
  SBBG60375  Eremothera boothii subsp. alyssoides M. N. Ackley -Feb-1926 768 Riverside entrance to Painted Cyn Comment
  CAS-BOT-BC160064  Eremothera boothii subsp. condensata F. H. Billings 1926-2-1 31 Riverside Near Indio Comment
  UC68568  Eremothera boothii subsp. condensata H. M. Hall 1905-4-24 5888 Riverside Chuckawalla Bench Colorado Desert Comment
  RSA0031613  Eremothera refracta Jim Andre 2013-3-27 24819 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  CAS-BOT-BC514304  Eriastrum densifolium subsp. austromontanum Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  SEINET3005066  Eriastrum diffusum G. Rink 2011-5-1 10504 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  RSA0080322  Eriastrum diffusum subsp. coachellae Sarah J. De Groot, Cheryl Sevilla 2015-3-16 7368 Riverside North fork Mission Creek, ca. 0.85 miles north-northwest of stone house; southwest of Morongo Valley and northwest of Desert Hot Springs. 805 Comment
  RSA0119711  Eriastrum diffusum subsp. coachellae Lyman Benson 1933-3-31 4172 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  RSA0043046  Eriastrum eremicum Duncan S. Bell, Loraine Washburn 2014-4-8 6578 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1.25 air miles north northeast of Clemens Well/Bradshaw Trail. 356 Comment
  UCSB6924  Eriastrum eremicum Haller, Norman 1953-5-24 Riverside 11 miles S of Palm Springs Indio Rd., on Highway 74, Palms to Pine Highway 914 Comment
  CAS-BOT-BC401162  Eriastrum harwoodii Sarah J. De Groot; April Garbat 2013-4-9 7000 Riverside Along Blythe-Rice (=Midland) Road, 1.9 mile south of Rice and Highway 62, near bottom of Rice Valley, east side of Arica Mountains 232 Comment
  UC552457  Eriastrum sapphirinum Carl V. Meyer June, 1927 152 Riverside Temecula Comment
  UCR154765  Eriastrum sapphirinum T. B. Salvato, Kent Beaman 2005-5-16 790 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
  RSA0121574  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, Valerie Soza 2004-6-22 11546 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  SD187456  Eriastrum sapphirinum subsp. dasyanthum Scott D. White, Angelia Carey 2004-5-7 10321 Riverside San Jacinto Mountain foothills; Indian Creek and adjacent foothills. 548 Comment
  SD262342  Eriastrum sapphirinum subsp. dasyanthum Mitch Provance 2017-5-25 517 67 Riverside Temescal Valley: 0.3 to 0.5 miles SE of Indian Truck Trail, between Temescal Valley Rd and Hwy 15 (Alberhill 7.5'Q) 360 Comment
  RSA0121584  Eriastrum sapphirinum subsp. dasyanthum E. W. Lathrop 1966-5-15 6300 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  RSA0122012  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, T. S. Ross 1990-5-11 4622 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  UC101091  Ericameria cooperi var. cooperi H. M. Hall 1901-5-1 Riverside vicinity of Riverside (w Riverside hills) Comment
  SEINET10758419  Ericameria cuneata David B. Dunn 1947-10-9 Dunn 3530 Riverside Joshua Tree National Monument at camp ground area by Hidden Valley. Comment
  JEPS19170  Ericameria cuneata var. spathulata W. L. Jepson 1928-4-25 12582 Riverside Cottonwood Spring Colorado Desert, Eagle Mts., Cottonwood Spring 914 Comment
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Oct 9 2010
  CAS-BOT-BC287640  Ericameria linearifolia Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-9 373 Riverside About 2 miles up water service road leading S from Highway 72, Deep Canyon, N slope Santa Rosa Mts 1310 Comment
  RSA505022  Ericameria linearifolia D. Charlton 1988-5-21 1911 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on Hwy 74.[note: labels I've seen have both localities (A & B) and don't distinguish elevation or vegetation -SDW 2004] 1829 Comment
  POM182369  Ericameria palmeri var. pachylepis J. Ewan 1931-10-3 5225 Riverside Dry sand at lake margin Mocking bird Canyon, near Arlington. Comment
  RSA522306  Erigeron bonariensis Steve Boyd 1989-7-9 3776 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  UCSB9493  Erigeron canadensis Ballard 1954-10-30 Riverside 3 miles south of Chino Men's Reform Institution 198 Comment
  RSA68333  Erigeron divergens G. R. Campbell 1951-5-30 16151 Riverside Pine Meadow Ranch, SE of Kenworthy 1433 Comment
  UCR174063  Erigeron foliosus A. C. Sanders 2006-5-19 32440 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
  JOTR32351  Erigeron parishii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2467 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (Stop 2) Comment
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May 18 2013
  CHSC682  Eriodictyon crassifolium 1940-3-10 Riverside Sage Comment
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Mar 10 2013
  LA205603  Eriodictyon crassifolium Harlan Lewis; 1935-4-6 sn Riverside Snow Creek, Palm Springs 182 Comment
  POM3816A  Eriodictyon crassifolium N. K. Berg 1904-3-4 s.n. Riverside San Jacinto Mts. 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
  RSA33585  Eriodictyon crassifolium N. C. Cooper 1944-5-20 1309 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  UCR235079  Eriodictyon crassifolium var. crassifolium A. C. Sanders, John F. Green 2012-6-1 40234 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, SE of I-15 junction with Horsethief Cyn. Rd., 7 miles N of Lake Elsinore 381 Comment
  RSA342547  Eriodictyon trichocalyx Robert F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54099 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  POM209904  Eriodictyon trichocalyx var. lanatum Victor Duran 1933-7-1 3489 Riverside Near Santa Rosa, Santa Rosa Mts 1677 Comment
  UC1523408  Eriodictyon trichocalyx var. trichocalyx Robert F. Thorne, W. A. Tilforth, L. Schultz, R. K. Benjamin and J. Hogge 1980-4-16 54099 Riverside flood plain (wash) along Whitewater River ca 3 mi n Whitewater P.O.; San Bernardino Mts., along Whitewater River 591 Comment
  CAS-BOT-BC248633  Eriogonum apiculatum Ralph Hoffmann 1929-9-10 s.n. Riverside Tahquitz Pk., San Jacinto Mt 2499 Comment
  SEINET4560254  Eriogonum apiculatum Louis Wheeler 1945-1 6412 Riverside San Jacinto Mountains: divide between West Fork Snow Creek and North Fork San Jacinto River 2377 Comment
  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
  CLARK-A1528-3634  Eriogonum davidsonii Robin L. Kobaly 1977-8-26 Riverside San Jacinto Mountains Comment
  SEINET253257  Eriogonum davidsonii Susan G. Stokes 1933-7-1 76 Riverside Beside road to Idyllwild. Comment
  UCR103174  Eriogonum davidsonii Scott D. White, Julie Greene, Shelton Dowthit 1996-10-13 4623 Riverside San Jacinto Valley, Eastern foothills of valley (= 'Santa Rosa Hills'), south of Hemet 610 Comment
  UCR175171  Eriogonum davidsonii Jim Andre 2006-4-26 6770 Riverside South Mojave Desert, Joshua Tree National Park: west of upper Long Canyon, c. 5 mi south of the radio tower and NE corner (boundary) of the park 1325 Comment
  UCR26621  Eriogonum davidsonii E. W. Lathrop 1966-5-29 6392 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  UCR163314  Eriogonum deflexum B. G. Pitzer 2000-5-7 4129 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  UCR281928  Eriogonum deflexum A. C. Sanders, Jim Malusa 2017-9-21 43354 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  CAS-BOT-BC256123  Eriogonum deflexum var. deflexum Lewis S. Rose 1936-12-26 36824 a Riverside Hayfield, 5 mi. W of Desert Center Comment
  RSA0081621  Eriogonum deflexum var. deflexum Jim M. Andre 2012-4-11 20832 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  RSA736737  Eriogonum elongatum Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10683 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  UCR35088  Eriogonum elongatum L. B. Ziegler 1967-12-15 270 Riverside San Jacinto Mtns., Foothills of Mtns. In lower Bautista Canyon 610 Comment
  RSA0063032  Eriogonum elongatum Andrew Haimov, April Sleigh 1992-5-10 89 Riverside West side of Davis Road, 1/2 mile south of Allessandro Road, San Jacinto Wildlife Area. Comment
  CAS-BOT-BC249951  Eriogonum fasciculatum var. foliolosum Elizabeth McClintock 1964-4-8 s.n. Riverside Snow Canyon, east side of Mt. San Jacinto Comment
  CHSC89852  Eriogonum fasciculatum var. foliolosum L. P. Janeway 2004-5-8 8078 Riverside Peninsular Ranges. Santa Ana Mountains, Los Alamos Canyon; along Wildomar Road 0.8 km east of its crossing of Los Alamos Creek. 488 Comment
  RSA784656  Eriogonum fasciculatum var. foliolosum Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 62 Riverside Temescal Canyon road, exit Indian Truck Trail from Hwy 5, southern coast of Corona lake, dry flood-plain. Comment
  UC1329836  Eriogonum fasciculatum var. polifolium James E. Cole 1941-5-21 765 Riverside Quartz Outcrop Joshua Tree National Monument, Quartz Outcrop 914 Comment
  CAS-BOT-BC253490  Eriogonum gracile James L. Reveal; Caroline G. Reveal 1972-8-6 2844 Riverside Along California Highway 74, 1.5 miles southwest of the summit of Santa Ana Mountains, 9 miles southwest of Elsinore and about 22 miles east-northeast of San Juan Capistrano, near turnoff to McConville Camp Comment
  SD86302  Eriogonum gracile James L. Reveal, Caroline G. Reveal 1972-8-6 2844 Riverside Along California Highway 74, 1.5 miles southwest of the summit of Santa Ana Mountains, 9 miles southwest of Elsinore and about 22 miles east-northeast of San Juan Capistrano, near turn-off to McConville Camp Comment
  UCR250402  Eriogonum gracile Jeremiah George 2012-5-17 s.n. Riverside Beaumont Bench, north slope facing San Timoteo Creek, north of Hwy 60 and south of Oak Valley Parkway, E of Potrero Blvd. 747 Comment
  SD232300  Eriogonum gracile var. incultum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3572 Riverside Peninsular Ranges; San Jacinto Mountains region; Souther spur of Pine Meadow, southeast of Highway 74. 1477 Comment
  RSA4967  Eriogonum maculatum Carl B. Wolf 1932-4-27 3031 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
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Dec 11 2011
  UCR243574  Eriogonum maculatum Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21105 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley 1207 Comment
  CAS-BOT-BC270595  Eriogonum molestum Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  CAS-BOT-BC269790  Eriogonum nudum var. pauciflorum John Thomas Howell 1927-8-2 2930 Riverside Top of control on road to Hemet, Mt. San Jacinto 1371 Comment
  SEINET3289844 Image available Eriogonum nudum var. pauciflorum M. W. Denslow, Firoozeh Navid-Ara; Valeria Soza 2003-7-13 1455 Riverside Penninsular Ranges; San Jacinto Mountains region: East of Idlyllwild, along South Ridge Road (5S11 rd.) on west facing slope. 1890 Comment
  JOTR16818  Eriogonum pusillum Wanrow, E. 1968-5-6 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  UC185100  Eriogonum reniforme S. B. and W. F. Parish Apr 1882 Riverside Agua Caliente Comment
  RSA766146  Eriogonum thomasii Donald A. Johansen, Joseph A. Ewan 1932-4-11 7082 Riverside Martinez Canyon, Santa Rosa Mts. 335 Comment
  SD127574  Eriogonum thomasii David Charlton 1988-2-18 1143 Riverside Alluvial fan, S side of Little San Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, paralell to I-10. 1 mi. E of Jct Dillon Road and Fargo Cyn Road 609 Comment
  UCR20834  Eriogonum thomasii A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1322 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  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
  JEPS56279  Eriogonum thurberi W. L. Jepson 1901-5-30 1553 Riverside Temecula River between Aguanga and Temecula; Temecula River Comment
  JOTR35360  Eriogonum trichopes Harding, Mitzi, M. Wheeler 2011-1-26 145 Riverside Joshua Tree National Park. Pinto Basin, where Chuckwalla Valley meets Pinto Wash, 0.5 mi west of Coxcomb Mountains, sandy burms above large wash (STOP2) 289 Comment
  RSA656534  Eriogonum trichopes A. C. Sanders 2000-4-27 23372 Riverside east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 15 Comment
  RSA681033  Eriogonum trichopes Scott D. White, Michael Honer 2003-5-14 9265 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UCR72174  Eriogonum trichopes Theo Glenn 1991-5-15 91- 135 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 390 Comment
  RSA0023094  Eriogonum wrightii John F. Emmel 1995-4-22 1369 Riverside McCoy Mts., north end; canyon 0.6 air mile west of Arlington Mine. 488 Comment
  RSA125206  Eriogonum wrightii var. membranaceum E. K. Balls, Percy C. Everett 1957-8-20 22674 Riverside Hamilton Grade along rd. from Palms to Pines Hwy to Aguanga. 1463 Comment
  CAS-BOT-BC298481  Eriophyllum ambiguum var. paleaceum H. S. Yates 1937-3-24 6457 Riverside Deep Canyon 609 Comment
  JEPS9915  Eriophyllum ambiguum var. paleaceum S. B. Parish 1920-3-25 20020 Riverside Murray Canon Colorado Desert, Palm Springs, Murray Canon Comment
  CAS-BOT-BC297349  Eriophyllum confertiflorum B. Pitzer 1997-4-1 3051 Riverside Lakeview Mts, ca 0.75 air miles SSW of Mt Rudolph, ca 1 air mile NE of Contour (Juniper Flats) Rd 655 Comment
  CAS-BOT-BC297356  Eriophyllum confertiflorum E. W. Lathrop 1960-5-6 4802 Riverside 10 miles W of Murrieta Comment
  CDA5248  Eriophyllum confertiflorum A. C. Browne 1952-5-13 Riverside Temecula. 0 Comment
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Mar 18 2014
  SDSU20271  Eriophyllum confertiflorum Adrienne D. Russell, Tahirch Linz & Matt Guilliams 2000-4-29 123 Riverside Santa Margarita Ecological Reserve, Temecula, insect trail, mapping project for plant taxonomy class. Comment
  UCR108878  Eriophyllum confertiflorum Heidi A. Haid 1968-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR202427  Eriophyllum confertiflorum Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR231808  Eriophyllum confertiflorum Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 15 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  LA203540  Eriophyllum confertiflorum var. confertiflorum W. Pequegnat; 1937-8-3 sn Riverside Santa Ana Mountains, Indian Truck Trail Comment
  UCR175239  Eriophyllum confertiflorum var. confertiflorum Jim Andre 2006-4-26 6746 Riverside South Mojave Desert, Joshua Tree National Park: c. 5 mi NNE of Rattlesnake Spring, on ridge just south of radio tower and NE corner of park boundary 1321 Comment
  POM358163  Eriophyllum lanosum Anstruther Davidson 1922-4-1 3527 Riverside Palm Springs. Comment
  UC1929660  Eriophyllum multicaule Scott D. White, Michael Honer 2003-6-17 9545 Riverside S PERRIS BASIN: Murrieta. Interstate 215 / Clinton Keith interchange. Comment
  CAS-BOT-BC302038  Eriophyllum wallacei H. M. Hall 1901-6-1 2053 Riverside San Jacinto Mountains. In the vicinity of Chalk Hill 1524 Comment
  CLARK-A1045-301  Eriophyllum wallacei George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep canyon; ; Palm Desert 15'Q Comment
  JOTR31081  Eriophyllum wallacei La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2344 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  RSA0035938  Eriophyllum wallacei Deidre Conocchioli, Duncan S. Bell 2014-3-4 151 A Riverside Off the Pacific Crest Trail in the San Bernardino Mountains. In Whitewater Canyon 8.5 miles E of Hwy-62. Just S of Red Dome. 695 Comment
  UC31774  Eriophyllum wallacei H. M. Hall 1899-6-23 1179 Riverside El Toro Mt. San Jacinto Mountains, Coyote Canyon, El Toro Mt. (in Coyote Canyon) 1524 Comment
  UCR149781  Erodium brachycarpum Scott D. White, Michael Honer 2004-4-6 10055 Riverside Perris/Elsinore Basins, Temescal Valley: just N of the I-15 freeway and east of Indian Truck Trail, S and west of Lee Lake 396 Comment
  UCR199645  Erodium brachycarpum Scott D. White, Justin M. Wood 2008-3-25 11775 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  SEINET156053  Erodium cicutarium Norman C. Cooper 1944-3-24 993 Riverside Banning. 701 Comment
  SEINET238556 Image available Erythranthe moschata George K. Helmkamp 1998-1 4129 Riverside Santa Rosa Mtns.: 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of Santa Rosa Spring. 2232 Comment
  JOTR32897  Eschscholzia La Doux, Tasha 2008-2-4 2940 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  RSA433695  Eschscholzia californica D. A. Young 1969-3-21 395 Riverside 11 mile W of Elsinore, along Hwy 71. 244 Comment
  UCR178000  Eschscholzia californica 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
  POM17821  Eschscholzia californica var. peninsularis P. A. Munz 1923-6-14 7078 Riverside Trail Glen Ivy to Santiago Peak. 1616 Comment
  RSA0034939  Eschscholzia glyptosperma A. Lee Haines 1973-3-25 s.n. Riverside Orocopia Mtns. 457 Comment
  CAS-BOT-BC83131  Eschscholzia minutiflora Annie M. Alexander; Louise Kellogg 1941-5-15 2179 Riverside North base of Eagle Mountains. 914 Comment
  POM307165  Eschscholzia minutiflora Henry J. Ramsey, Henry J. Ramsey 1940-4-14 2005 Riverside 50 miles N of Blythe Comment
  RSA652810  Eschscholzia minutiflora Colleen Callan 1992-5-2 18 Riverside Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1250 Comment
  RSA747992  Eschscholzia minutiflora Scott D. White, Justin M. Wood 2009-4-28 12614 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  UC1595573  Eschscholzia minutiflora W. Wisura, J. Dolan, and M. Wall 1992-3-25 4656 Riverside 31 mi s prison on Wileys Well Rd. toward Hwy 78; Lowdesert Comment
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Dec 5 2014
  UCR267892  Eschscholzia minutiflora Jim Andre 2013-3-4 23859 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  RSA0023221  Eschscholzia papastillii Barry A. Prigge 1988-2-21 7841 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
  UCD96466  Eschscholzia papastillii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-15 260 Riverside California. Riverside County: Joshua Tree National Park. 726 Comment
  UCD96514  Eschscholzia papastillii Shannon M. Still; Robert Lee 2009-3-3 452 Riverside California. Riverside County: Joshua Tree National Park. 537 Comment
  CLARK-A1528-687  Eschscholzia parishii Fred B. Essig 1967-3-12 Riverside Joshua Tree National Park Comment
  GMDRC3744  Eschscholzia parishii J. Andre, T. La Doux 2009-3-1 11234 Riverside Little San Bernardino Mountains: Joshua Tree Natl. Park: south end of the Cottonwood Mtns near Pinkham Wash just N. of aquaduct just inside JTNP boundary, approx 7 mi. W. of S. entrance into park at Cottonwood. USGS 7.5 min. Quad: Cottonwood Basin 33 deg. 40.948' N 115 deg. 52.141' W. Elev. 1778 ft. 542 Comment
  JOTR37497  Eschscholzia parishii Hodges, Stephen R., L. Ashfield 2016-1-20 626 Riverside Joshua Tree National Park. Eagle Mountains, Black Eagle Mine road, northern edge of mountains near eastern park boundary (Stop 1). Comment
  UC1595704  Eschscholzia parishii W. Wisura, J. Dolan, and M. Wall 1992-3-24 4627 Riverside 10 mi ne Mecca (on Box Canyon Rd.); Lowdesert Comment
  UCR118643  Eschscholzia parishii Helen Kennedy, Sara Mills 2001-3-17 5400 Riverside Mojave Desert, 0.8 mi from the junction of Hwy 10 & Cottonwood Springs Road, 100m SE of the entrance to Joshua Tree National Park 550 Comment
  UCR20764  Eschscholzia parishii A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1328 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  SEINET5340034  Eschscholzia parishii N. H. Holmgren, P. K. Holmgren 1974-3-23 7466 Riverside Box Canyon Wash, 11.4 (9 airline) miles east-northeast of Mecca. 244 Comment
  UC195337  Escobaria vivipara var. alversonii S. B. Parish 1916-5-13 10861 Riverside Shaver's Well; Colorado Desert Comment
  UCR162549  Eucalyptus camaldulensis S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  OBI53710  Eucalyptus globulus A. C. Sanders 1985-12-28 5966 Riverside Between Mira Loma and Pedley, one of a line of Eucalyptus trees planted as a windbreak along Wineville Rd ca 1/4 mi N of Limonite Ave Comment
  SEINET237965 Image available Eucalyptus rudis A. C. Sanders 1998-1 21649 Riverside Lake Skinner area: along old Rawson Rd. at N edge of Crown Valley, at crest of road where it drops into Diamond Valley. 640 Comment
  RSA0012837  Eucalyptus tereticornis Chris M. Johnson 1970-3-16 74 Riverside Outside Corona, Hwy 71, at Rancho El Hermano entrance. 244 Comment
  UCR232044  Eucrypta chrysanthemifolia John F. Green 2008-4-15 0408- 07 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
  UCR260853  Eucrypta chrysanthemifolia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41419 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
  UCR93027  Eucrypta chrysanthemifolia var. chrysanthemifolia G. P. Schultz 1994-4-8 57 Riverside Box Springs Mtns., mouth of Two Trees Canyon ( on the north side of the stream, in an open field) 410 Comment
  RSA78475  Eucrypta micrantha Verne Grant, Alva Grant 1952-3-20 17504 Riverside On road from Palm Springs to Santa Rosa Mountains a few miles south of intersection with Indio Road. 305 Comment
  POM49792  Euonymus occidentalis var. parishii P. A. Munz 1924-5-18 8148 Riverside 18 miles from Banning on Idyllwild Road. 1585 Comment
  RSA750603  Euonymus occidentalis var. parishii K. M. Meyer, A. Townesmith, T. Scott 2007-3-16 19 Riverside San Bernardino National Forest. Fuller Mill Creek. 17.6 m S on Hwy 243 (off of I-10). 1572 Comment
  JOTR34092  Euphorbia eriantha La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1020 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, approx. 2.5 miles north of park boundary 711 Comment
  UCR85145  Euphorbia maculata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16040 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  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
  RSA713797  Euphorbia ophthalmica A. C. Sanders, G. K. Helmkamp 1996-3-17 17992 Riverside Coachella Valley: Rancho Mirage, intersection of Dinah Shore Dr. and Duval Dr. at Cathedral City limits, 2 mi. E of Date Palm Dr. and 2 mi. S or Ramon Rd. 98 Comment
  UCR103997  Euphorbia polycarpa George K. Helmkamp 1998-4-3 3067 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river 396 Comment
  UCR132418  Euphorbia polycarpa A. C. Sanders 2004-2-6 27386 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, intact ridge at a development called 'Trilogy at Glen Ivy,' south of Brown Canyon 442 Comment
  UCR137038  Euphorbia polycarpa A. C. Sanders 2004-5-5 27777 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  RSA432471A  Euphorbia polycarpa var. hirtella N. C. Cooper 1936-1 2160 Riverside 17 Palms. -30 Comment
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Mar 16 2014
  UCR3222  Euphorbia prostrata O. F. Clarke 1970-9-20 s.n. Riverside City of Riverside, O.F. Clarke residence, 1012 Spruce Street [now the site of an apartment complex, 2001]. 305 Comment
  RSA612931  Euphorbia spathulata D. L. Banks 1997-3-29 1646 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside / San Diego County line border. 463 Comment
  JOTR16867  Fagonia laevis Vanderspek & Youse 1964-4-19 64516 Riverside Joshua Tree National Park. WILSON CANYON Comment
  UC1212089  Fagonia laevis Peter M. Ray 1949-3-6 1328 Riverside near 1000 Palms (Willis Palms); Coachella Valley Comment
  POM14006  Fagonia pachyacantha Philip A. Munz, D. D. Keck 1922-4-9 4771 Riverside Shaver's Well, near Mecca. Comment
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Apr 24 2011
  RSA114349  Fagonia pachyacantha Percy C. Everett, E. K. Balls 1956-5-2 21556 Riverside East base of Eagle Mts., 4 miles north of turn-off of Hwy. 60/70, west of Desert Center 305 Comment
  UCR279525  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2017-3-29 43188 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  RSA0120132  Festuca arundinacea Duncan S. Bell, Thomas Stoughton 2016-4-13 9272 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  CLARK-A1528-4653  Festuca grayi John C. Roos 1952-4-2 5456 Riverside Edgemont 457 Comment
  SEINET1910073  Festuca microstachys T. B. Salvato, John F. Green 2004-1 572 Riverside San Bernardino Mts; Head of banning (San Gorgonia River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp (Forest Falls 7.5) 409 Comment
  UCR93057  Festuca microstachys Steve Boyd 1986-4-2 1628 B Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR167060  Festuca octoflora Scott D. White 2005-3-29 10835 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
  UCR279237  Festuca octoflora Ginny Short 2017-3-17 002 Riverside Coachella Valley, Indio Hills, near Moon Country Trail, c. 0.8 mile west of Thousand Palms Canyon Road and 2.4 miles north of El Ramon Road 247 Comment
  UCR41250  Festuca octoflora N. M. Fellows, A. C. Sanders 1985-4-9 133 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  UCR137699  Filago californica D. L. Banks, V. W. Steinmann 1997-3-13 1513 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR177862  Filago depressa Marisa Sripracha, K. A. Boyd 2004-3-21 044 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  RSA292902  Flaveria trinervia M. Tavianini 1977-10-23 s.n. Riverside La Sierra, A weed in a pepper field on McKinley ST. about 1 mile N of the 91 Freeway Comment
  UC218026  Forestiera pubescens P. A. Munz and I. M. Johnston 1922-5-7 5256 Riverside Keyes Ranch; Little San Bernardino Mts. 1219 Comment
  RSA0018950  Fragaria vesca Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 693 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA748657  Fragaria vesca Justin M. Wood, Brandy Wood 2009-6-13 885 Riverside Idyllwild County Park, Lilly Creek and adj slope to W of campground. 1585 Comment
  SD229245  Frangula californica subsp. cuspidata Dick Schwenkmeyer 2012-6-27 742 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  CLARK-A1528-2930  Frankenia grandifolia John C. Roos 1965-6-30 Riverside Perris Comment
  CAS-BOT-BC211661  Frankenia salina S. B. Parish 1897-5-31 4396 Riverside Elsinore 396 Comment
  RSA0045508  Franseria dumosa William Blanchard 1932-4-16 s.n. Riverside Palm Springs Station. TR6. Comment
  JEPS42943  Fraxinus velutina Marjorie D. Clary 1932-7-4 938 Riverside 10 mi se Kenworthy; Santa Rosa MTs. Comment
  SD186260  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11135 Riverside Viverside, along Spring Brook between Lake Evans and the Santa Ana River. 238 Comment
  UC55739  Fraxinus velutina H. M. Hall 1898-6-28 959 Riverside e of Kenworthy (s side of San Jacinto Mts.); San Jacinto Mts. Comment
  POM96062  Funastrum hirtellum P. A. Munz 1926-1-1 10817 Riverside Thousand Palms, Riverside County. Comment
  RSA0127736  Galium andrewsii M. M. Fuller 1993-5-8 s.n. Riverside S of Beaumont, about 2 mi S of [Interstate] 10 and 1 mi E of [Highway] 79. Comment
  RSA700960  Galium andrewsii subsp. andrewsii Gary D. Wallace 1982-5-15 2007 Riverside Palms to Pines Highway (74), just E of Spring Crest. Comment
  CAS-BOT-BC223032  Galium angustifolium C. L. Hitchcock 1940-4-12 6039 Riverside 8 mi. northwest of Elsinore 457 Comment
  JEPS56084  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Clare Hardham 1965-6-17 4127 Riverside road from Banning to Idyllwild 2 mi n road to Twin Pines Ranch 304 Comment
  RSA607791  Galium angustifolium subsp. angustifolium R. S. Woglum 1941-6-14 3067 Riverside Peninsular Ranges: Santa Rosa Mountains [Riverside/San Diego counties]. Comment
  RSA761999  Galium angustifolium subsp. angustifolium Patrick Garrett, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 81 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR111966  Galium angustifolium subsp. angustifolium A. C. Sanders, T. B. Salvato 2000-5-25 23396 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  POM46823  Galium angustifolium subsp. gracillimum Mary F. Spencer 1920-4-6 1476 Riverside Palm Springs. 122 Comment
  JEPS52917  Galium californicum subsp. primum Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4237 1/2 Riverside Chimney Flat (old control) road below Alvin Meadows; San Jacinto Mts., Chimney Flat (old control) road 1402 Comment
  JEPS9653  Galium parishii P. A. Munz 1922-7-6 6022 Riverside near Hidden Lake; San Jacinto Mts. 2560 Comment
  POM14223  Galium stellatum Philip A. Munz, D. D. Keck 1922-4-9 4792 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
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Apr 5 2011
  UCR112474  Gamochaeta pensylvanica A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23324 Riverside Coachella Valley, along Dillon Rd. at junction with Tyler, north of I-10, east of Indio and north of Coachella 5 Comment
  LA93407  Garrya flavescens Nancy Ryan Zabriskie; Walter Zabriskie 1972-10-22 545 Riverside Santa Rosa Mountains, by Cactus Spring Trail crossing of Horsethief Creek, trubutary to Deep Canyon, N slope of mountains (Site 13) 1097 Comment
  UCR262253  Garrya veatchii T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3747 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  CHSC339  Geraea canescens E. Thomas 1940-3-3 Riverside Coachella Valley. -21 Comment
  RSA779580  Geraea canescens Duncan S. Bell 2009-3-7 12 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  SFV17346  Geraea canescens J. D. Dilley, J. N. Hogue 1998-4-24 281 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash on Corn Springs Road, 1 mile southwest of Interstate Highway 10. 274 Comment
  RSA676109  Gilia Scott D. White 2001-4-12 8300 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  UCR241231  Gilia Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 14 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, lower Hathaway Canyon along Hathaway Canyon Rd. 826 Comment
  UCD117630  Gilia achilleifolia subsp. multicaulis A. A. Beetle 1940-1 s.n. Riverside near Sage. Comment
  RSA606302  Gilia angelensis Jon E. Keeley 1994-4-22 25337 Riverside Shipley Reserve. 590 Comment
  RSA613327  Gilia angelensis D. L. Banks 1997-3-6 1391 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  RSA86578  Gilia angelensis Anonymous 1954-4-16 9314 Riverside Floodplain of Temecula Creek just south of town of Temecula. 305 Comment
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Feb 14 2013
  UCR167533  Gilia angelensis Scott D. White 2005-3-29 10833 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
  UCR169785  Gilia angelensis Scott D. White, Michael Honer 2003-4-25 9114 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  UCR48387  Gilia angelensis Steve Boyd 1986-4-22 1776 Riverside Gavilan Hills, Plateau remnant of ridge east of Estelle Mountain, south of Dawson Canyon. 671 Comment
  RSA742093  Gilia capitata subsp. abrotanifolia Peter L. Morrell 1993-5-1 226 Riverside San Bernardino Mtns.: c. 300 m W of Whitewater Canyon Rd. along stream bed (upstream), 3.3 miles N of I-10. 627 Comment
  RSA783253  Gilia capitata subsp. abrotanifolia J. D. Olmsted 1962-5-2 3456 Riverside In small arroyo north of turn from US 60 to Gilman Hot Springs, San Timoteo Badlands 564 Comment
  RSA0020381  Gilia modocensis Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4659 Riverside Around the confluence of the San Gorgonio and Whitewater river drainages, just south of the historic Palm Springs Station, about 1.5 air miles northwest of Windy Point. 340 Comment
  RSA0017052  Gilia ochroleuca subsp. exilis A. C. Sanders, S. Hawkins 1996-4-24 18071 Riverside Morongo Indian Reservation, in Hathaway Canyon near Burro Flats. 915 Comment
  RSA0083764  Gilia ochroleuca subsp. exilis Scott D. White, Tasha La Doux 2000-4-20 7698 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  SD114222  Gilia ochroleuca subsp. exilis Darley F. Howe 1969-5-15 4589 Riverside Near Dripping Springs camp ground. 456 Comment
  UC52863  Gilia ochroleuca subsp. exilis H. M. Hall April, 1902 2905 Riverside above Sage P.O. (vicinity of Winchester); vicinity of Winchester Comment
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Mar 20 2011
  RSA0017275  Gilia ochroleuca subsp. exilis F. W. Peirson 1938-5-30 12413 Riverside Thomas Mountain, Hemet Valley. 1402 Comment
  RSA111274  Gilia sinuata Verne Grant, James Davis 1957-3-30 9895 Riverside Upper eastern end of Moronga Valley 793 Comment
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Mar 23 2014
  UCR62327  Gilia sinuata Ed LaRue 1990-4-13 s.n. Riverside Peninsular Range, 0.5 mi. NW of Aguanga, c. 1.5 mi (air) north of San Diego Co. line, north of Hwy 79 and west of Hwy 371 642 Comment
  JOTR30698  Gilia stellata La Doux, Tasha 2008-2-4 1753 Riverside Joshua Tree National Park. Hexie Mountains, Porcupine Wash, Stop 2. 778 Comment
  RSA0097447  Gilia stellata Scott D. White, Justin M. Wood 2009-4-29 12625 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  RSA718867  Gilia stellata Michael Honer, L. Hulse 2005-3-8 2038 Riverside Fargo Canyon; first main N-trending fork after entering canyon from bajada. Site of large long MWD aqueduct tunnel tailings pile. 457 Comment
  UCR282350  Glinus lotoides Mitch Provance, Jeremiah George 2017-7-26 717- 01 Riverside San Bernardino Valley, Jurupa Valley, northeast side of the Riverside Basin, just SE of Philadelphia St. and Wineville Rd. 247 Comment
  UCSB6571  Gnaphalium Roger Krogen 1957-1-1 124 Riverside collected 4.0 mi S, along U S Highway 95, at N edge of the Orocopia Mountains U S Highway 60-70 - U S Highways 95,60-70 Comment
  RSA717580  Gnaphalium californicum A. C. Sanders 2004-5-11 27841 Riverside Elsinore Basin Region: Alberhill Mountain, former clay mine area 439 Comment
  UCR18844  Gnaphalium canescens subsp. beneolens John C. Roos 1947-9-6 3745 Riverside San Jacinto Mtns., Black Mtn. Comment
  UCR201948  Gnaphalium luteoalbum 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
  RSA535469  Gnaphalium microcephalum Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-2 6644 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon Comment
  UC64146  Gnaphalium palustre H. M. Hall 1897-8-11 812 Riverside Surprise Lake San Jacinto Mountains, Surprise Lake 2743 Comment
  UCR266493  Gnaphalium palustre Mitch Provance, Matt Amalong 2015-4-6 415- 19 Riverside Temecula/Murrieta Region, About 0.5 mile SW of Winchester, along Leon Rd., near its SW corner with Domenigoni Parkway 444 Comment
  POM13636  Guillenia lasiophylla E. C. Jaeger 1922-3-18 1038 Riverside Travertine Rock, Colorado Desert Comment
  RSA430052  Guillenia lasiophylla Anstruther Davidson 1904-5-1 1095 Riverside Palm Springs. Comment
  UCR172164  Gutierrezia californica T. B. Salvato, Gregg Miller 2005-6-3 1381 Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 mi SW of Perris, 1.7 mi SW of the Goetz Road crossing of the San Jacinto River and c. 0.25 mi south of Ethanac Road 436 Comment
  SD152936  Gutierrezia sarothrae Steve Boyd, Tim Ross and Dave Bramlet 1992-9-9 7688 Riverside Southern Santa Ana Mountains, upper San Mateo Canyon, from the junction of Tenaja Road and Los Alamos Road. 395 Comment
  SD229097  Gutierrezia sarothrae Dick Schwenkmeyer 2012-8-7 794 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  CLARK-A1528-1891  Haplopappus linearifolius John C. Roos 1952-4-2 5466 Riverside Box Springs Canyon 426 Comment
  UCR158948  Haplopappus squarrosus A. C. Sanders, Kelly Volansky 2005-8-31 31600 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  UCR182862  Haplopappus squarrosus Mitch Provance 2005-2-19 5702 Riverside San Bernardino Valley, NE extreme of the Jurupa Mtns., slopes south of Fontana Dr. 290 Comment
  UCR59677  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3036 Riverside Peninsular Range, Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain 488 Comment
  UCR113542  Hazardia squarrosa Mitch Provance 1998-6-6 697 Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  SDSU13561  Hazardia squarrosa var. grindelioides W. Miller with C. Mosse 1972-7-12 Riverside R.R. bed 50 yards west of erosion area. Comment
  CAS-BOT-BC305708  Helianthus gracilentus P. C. Everett; E. K. Balls; L. W. Lenz 1952-7-1 17268 Riverside 3.7 mi. s.e. of Banning along hwy to Idyllwild, San Jacinto Mts. 914 Comment
  CAS-BOT-BC305764  Helianthus niveus J. C. Roos 1965-4-28 s.n. Riverside Palm Springs Comment
  RSA793470  Heliotropium curassavicum Duncan S. Bell 2012-9-13 4192 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  SEINET3105270  Heliotropium curassavicum Faulkner 1978-4-27 501 Riverside Three miles east of Blythe. 137 Comment
  CLARK-A1528-336  Heliotropium curassavicum subsp. oculatum Margaret Ferro 1970-5-10 10 Riverside 457 Comment
  RSA357130  Heliotropium curassavicum var. oculatum R. F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37612 Riverside Lake Elsinore: behind levee at SE end of Lake Elsinore, ca. 1 mile S of Elsinore. Comment
  SBBG63442  Heliotropium curassavicum var. oculatum M. N. Ackley 1928-3-31 61 Riverside near Mecca -60 Comment
  RSA710826  Hemizonia fasciculata A. C. Sanders 2005-5-4 29842 Riverside Gavilan Hills near Riverside: ca. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR133679  Hemizonia fasciculata 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
  UCR139191  Hemizonia fasciculata Virginia Moran 2003-5-16 s.n. Riverside Johnson Ranch (managed by Center for Natural Lands Management), vicinity of Skunk Hollow and Santa Gertrudis Creek, 'knoll 1' on northern edge of first baseline transects established by CNLM 422 Comment
  UCR43409  Hemizonia fasciculata B. G. Pitzer, Karen Kirtland 1986-5-16 0262 Riverside Peninsular Range, Woodcrest area, adjacent to W side of Van Buren Blvd, and just north of Riverside city limit; E border adjacent to Gage Canal 351 Comment
  UCR93834  Hemizonia fasciculata G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Peninsular Range, Warm Springs Creek, Budweiser Ranch, 0.25-1 mi upstream of Los Alamos Road crossing 457 Comment
  RSA674809  Hemizonia kelloggii Scott D. White 2001-6-29 8628 -A Riverside Meniffe Valley: About 1.4 air mi SW of the I-215/ Newport Rd. Interchange, northwest of the intersection of HollandRd. and Bradley Rd. 439 Comment
  UCR128238  Hemizonia kelloggii A. C. Sanders, Kelly Volansky 2003-10-16 27348 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  UCR98687  Hemizonia kelloggii S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  RSA715766  Hemizonia paniculata A. C. Sanders, Guy Bruyea 2003-6-12 26897 Riverside Winchester, SE side of town between Simpson Ave. and Olive Ave., east of Hwy 79/Winchester Rd. 450 Comment
  UCR167830  Hemizonia paniculata T. B. Salvato, Melissa Clemons 2005-6-2 1354 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCR132884  Hemizonia pungens subsp. laevis Tom Paulek 2002-5-19 s.n. Riverside San Jacinto Wildlife Area, Headquarters Ponds 433 Comment
  UCR214566  Hesperocallis undulata A. C. Sanders 2010-3-15 37406 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UCR90403  Hesperocnide tenella D. L. Banks, Steve Boyd 1995-5-9 0421 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
  SBBG120598  Hesperolinon micranthum A. C. Sanders 2006-5-19 32389 Riverside hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd 518 Comment
  UCSB17459  Hesperoyucca whipplei Lockwood, Leo 1963-5-4 Riverside W side of banning-Idyllwild Road, 4 miles S of U.S. Highway 60, 70, 99 762 Comment
  POM153366  Heterotheca sessiliflora subsp. echioides P. A. Munz, I. M. Johnston 1928-9-12 11249 Riverside Temescal Canyon. Comment
  RSA471607  Heterotheca sessiliflora subsp. echioides Albert J. Perkins 1916-9-4 s.n. Riverside Idyllwild. Comment
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Mar 21 2011
  RSA479918  Heterotheca sessiliflora subsp. echioides Steve Boyd 1987-9-27 2091 Riverside Peninsular Range Temescal Canyon south of Corona; area between confluence of Indian and Horsethief washes and Temescal Creek. 366 Comment
  UCSB15429  Heterotheca sessiliflora subsp. echioides Breedlove, Dennis 1961-8-5 Riverside Along State Highway 74, 5 miles east of Keen Camp, Memet Valley, San Jacinto Mountains 1341 Comment
  UC1080368  Heterotheca sessiliflora subsp. fastigiata E. K. Balls and P. C. Everett 1957-8-20 22680 Riverside se of Hemet Reservoir (along State Hwy 74, s end of San Jacinto Mts.); San Jacinto Mts. 1356 Comment
  UC1999900  Heterotheca sessiliflora subsp. fastigiata J. C. Semple, J. Chimielewski 1987-9-30 8985 Riverside CA-74,12.7 km S of CA-243, S of Lake Hemet. Comment
  UC1542729  Hieracium horridum Barbara Ertter with Ken Berg, Roxanne Bittman, and Tim Krantz 1987-9-5 7427 Riverside head Andreas Canyon (on n side Red Tahquitz Peak); San Jacinto Mts. 2438 Comment
  SD224799  Hilaria rigida A. C. Sanders, K. Rose & D. Woodard 1995-3-22 16205 Riverside Coachella Valley: mouth of San Gorgonio Pass, alluvial fan just E of the mouth of Whitewater Canyon between Windy Point and I-10. 370 Comment
  UCD90069  Hilaria rigida Peter H. Raven 1958-5-6 12931 Riverside 10.2 miles southwest of Palm Desert on State Highway 74. San Jacinto Mountains. 762 Comment
  UCR24074  Hilaria rigida John C. Roos 1947-3-1 3298 Riverside Sonoran (Colorado) Desert, Coachella Valley, [near Thousand Palms] 8 mi. SE of Garnet 98 Comment
  RSA495404  Hirschfeldia incana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2888 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  CAS-BOT-BC207506  Hoffmannseggia glauca Lewis S. Rose 1938-2-1 38014 Riverside Palowalla, 30 mi. e. of Desert Center 121 Comment
  HSC82999  Hoita macrostachya N. M. Fellows, A. C. Sanders 1985-5-7 169 Riverside Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi. W of Snow Creek Village 488 Comment
  RSA588185  Hoita macrostachya D. L. Banks, Victor W. Steinmann 1995-7-10 0750 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. 609 Comment
  SD187402  Hoita orbicularis Scott D. White, Angelia Carey 2004-5-7 10347 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  RSA192094  Holocarpha virgata subsp. elongata E. W. Lathrop 1965-9-22 6025 Riverside 8 miles W of Murrieta Comment
  UCR141246  Holocarpha virgata subsp. elongata A. C. Sanders, Mike Misenhelter 2004-10-6 28826 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  UCR110453  Hordeum depressum D. E. Bramlet 1998-4-22 2602 Riverside Peninsular Range, E. French Valley-Domenigoni Valley. 396m E. of Winchester Road and 1.68 km south of Holland Road. The meadow is 61m west of the San Diego canal, in the area of the canal bridge road. 450 Comment
  UCR174461  Hordeum intercedens A. C. Sanders, John F. Green 2006-5-18 32378 Riverside Peninsular Range, French Valley, Briggs Road, stream crossing just south of Los Alamos Road, upstream of Adobe Spring and west of Hwy 79 409 Comment
  CAS-BOT-BC285110  Hordeum marinum subsp. gussoneanum Philip A. Munz 1937-3-27 14936 Riverside Overflow from Lake Elsinore, Elsinore 304 Comment
  SBBG54334  Hordeum marinum subsp. gussoneanum C. Davidson 1977-5-25 5637 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  SBBG72539  Horkelia clevelandii R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 2133 Comment
  UCR193407  Horkelia clevelandii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35576 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, near May Valley Rd. 1570 Comment
  SD229153  Hosackia crassifolia var. crassifolia Dick Schwenkmeyer 2012-8-27 802 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1887 Comment
  RSA34537  Hulsea vestita subsp. callicarpha N. C. Cooper 1944-5-20 1254 Riverside Palms to Pines Hwy. San Jacinto Mts. 1432 Comment
  RSA94144  Hulsea vestita subsp. callicarpha F. W. Peirson 1924-7-27 5005 Riverside Upper Dark Canyon, Deer Springs region, San Jacinto Mts. 2590 Comment
  JOTR16599  Hulsea vestita subsp. parryi Moore, Sue 1968-5-6 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  POM361063  Hymenoclea salsola Ora M. Clark 1929-2-24 1537 Riverside Cabazon, Colorado Desert. Comment
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Mar 13 2011
  POM361084  Hymenoclea salsola N. C. Cooper 1948-5-13 2842 Riverside Morongo Pass. 854 Comment
  RSA58865  Hymenopappus filifolius var. lugens P. A. Munz, P. C. Everett 1950-6-23 14918 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains 1402 Comment
  RSA559327  Hypochaeris glabra Steve Boyd, David E. Bramlet, Tim Ross 1993-5-13 7361 Riverside Southern santa Ana Mountains, San Mateo Canyon Wilderness Area. san Mateo Canyon, along stream and adjacent benches and lower slopes about the confluence with Los Alamos Canyon, near junction of Teneja Road (7S01) and Los Alamos Road (7S04). 396 Comment
  UC1563124  Hypochaeris glabra Steve Boyd 1989-5-7 3532 Riverside Comment
  UCR20699  Hypochaeris glabra A. C. Sanders, Steve Boyd 1980-5-2 1403 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR59691  Hypochaeris glabra Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3532 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, hills just to SW of the dam 489 Comment
  UCR117718  Hypochaeris radicata Mitch Provance 1998-6-6 622 B Riverside City of Riverside, NE corner of Van Buren Blvd. and Central Ave. 229 Comment
  CAS-BOT-BC219743  Hyptis emoryi Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  CAS-BOT-BC219762  Hyptis emoryi V. Newsom 1927-3-25 s.n. Riverside Painted Canyon, Colorado Desert Comment
  RSA420174  Hyptis emoryi M. B. Dunkle 1932-3-25 2907 Riverside Palm Springs. Comment
  UCD166271  Hyptis emoryi Jack Major 1962-4-17 786 Riverside On CA HWY 74 from Pinyon Flat to Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 435 Comment
  POM183991  Isocoma acradenia var. eremophila P. A. Munz 1932-10-16 12849 Riverside Whitewater Creek 152 Comment
  UC1605509  Isoetes howellii Terry O'Brien May 1995 2131 Riverside ca 5 mi sw of Grand Ave in Murrieta on Clinton Keith Rd Mesa de Colorado; Santa Rosa Plateau Preserve 600 Comment
  JEPS42715  Isomeris arborea W. L. Jepson 1928-4-25 12615 Riverside ne of Mecca (Cottonwood Spr.); Colorado Desert, Cottonwood Spr. 731 Comment
  UCR35129  Isomeris arborea L. B. Ziegler 1976-1-9 546 Riverside Sonoran (Colorado) Desert, Near Desert Hot Springs 396 Comment
  UCR179767  Iva axillaris subsp. robustior R. E. Riefner Jr. 2005-8-28 05- 647 Riverside Peninsular Range, SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. 394 Comment
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May 11 2009
  UCR209195  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37141 Riverside Peninsular Range, Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 335 Comment
  UCR222647  Juglans hindsii R. E. Riefner Jr., Kurt Campbell 2007-5-19 07- 211 Riverside Peninsular Range, Temecula, Temecula Canyon, Santa Margarita River, [to] c. 1.5 miles west of I-15 Fwy 290 Comment
  RSA736246  Juncus bufonius Scott D. White, Justin M. Wood 2008-4-3 11803 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan property, Alberhill area. 274 Comment
  SD146109  Juncus bufonius A. C. Sanders, K. C. Rose 1999-6-18 22825 Riverside Domenigoni Valley, upper Warm Springs Creek, between Highway 79 (Winchesrwe Road) and Scott Road, Domenigoni Ranch, south of Winchester; winchester 7.5' quad. In mud along drying creek margins among dense herbs, between old fields. 433 Comment
  RSA708221  Juncus bufonius var. bufonius Scott D. White, Angelia Carey 2004-5-7 10333 Riverside Indian Creek and adjacent foothills. 549 Comment
  RSA234012  Juncus bufonius var. occidentalis Robert F. Thorne, E. W. Lathrop 1969-5-12 37927 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 625 Comment
  POM12662  Juncus duranii Phillip A. Munz 1922-9-6 6374 Riverside Hidden Lake, San Jacinto Mountains. 2637 Comment
  RSA763169  Juncus effusus Scott D. White, Justin M. Wood 2009-5-22 12923 Riverside San Jacinto Mts: Halfway Spring, accessed via Old Control Road. 1159 Comment
  RSA19144  Juncus effusus subsp. austrocalifornicus E. W. Lathrop, Robert F. Thorne 1967-9-26 6628 Riverside 6 miles NW of Murrieta. Comment
  UC1106414  Juncus macrophyllus Peter Kamb 1948-7-11 1197 Riverside Hall Canyon San Jacinto Mts. (above stream) 1645 Comment
  RSA500197  Juncus mexicanus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3547 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  SD185069  Juncus rugulosus Mitch Provance 2000-6-24 2071 Riverside Santa Ana River Wash, between the Market Street bridge and the 60 Freeway. 244 Comment
  UCR60608  Juncus xiphioides Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3690 Riverside Peninsular Range, Vail Lake area, benches of Arroyo Seco and slopes of hills to the east 488 Comment
  JOTR34472  Juniperus californica Andre, Jim 2012-4-16 20952 Riverside Joshua Tree National Park. Pleasant Valley; along Geology Tour Road at SW end of one-way loop at drainage below Pinyon Well. Approx. 7.5 mi south of Natl Park loop road (paved). 1094 Comment
  RSA352499  Juniperus californica N. C. Cooper 1944-5-20 1306 Riverside Pine Flats, Palms to Pines Hwy. 1220 Comment
  RSA59153  Juniperus californica Percy C. Everett 1950-9-15 15893 Riverside Gavilan Hills, about .5 mile s.w. of Lake Mathews. Comment
  CAS-BOT-BC234574  Justicia californica R. F. Hoover 1966-10-15 10163 Riverside Dead Indian Canyon Comment
  CAS-BOT-BC234600  Justicia californica L. R. Abrams 1926-3-26 11063 Riverside Palm Springs to Palm Canyon Comment
  UC869489  Justicia californica C. L. Hitchcock 1940-4-5 5965 Riverside 3 mi. below Cottonwood Springs Comment
  JEPS95221  Kallstroemia californica Robert E. Preston 1997-10-2 1051 Riverside Palo Verde Mesa, at NE base of Mule Mountains 35 Comment
  UC4066990  Kallstroemia californica Marcus E. Jones, A. M. 1929-9-16 Riverside Hayfields near Desert Center; Hayfields, near Desert Center Comment
  RSA424819  Keckiella antirrhinoides Jeannette B. Edge 1934-4-22 18935 Riverside Jurupa Mountains, Mountain slope 549 Comment
  RSA714431  Keckiella antirrhinoides A. C. Sanders 2004-5-12 27863 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  UCR137049  Keckiella antirrhinoides A. C. Sanders 2004-5-5 27764 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR41316  Keckiella antirrhinoides var. antirrhinoides N. M. Fellows, A. C. Sanders 1985-5-7 184 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  RSA335014  Keckiella cordifolia Steve D. Boyd 1985-7-23 1022 Riverside Deluz Road, 8.5 miles west of Rancho California, along Sandia Creek. 274 Comment
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Jun 8 2012
  JEPS13633  Keckiella ternata Peter Kamb 1948-7-4 1184 Riverside below Barton Lookout (Banning-Idyllwild road); San Jacinto Mts. 1158 Comment
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May 24 2012
  RSA293263  Keckiella ternata subsp. ternata D. C. Michener 1980-7-17 3708 Riverside Unnamed fire road from Vista Grande guard station to northeast. Disturbed sited and rock outcrops along road. 1250 Comment
  POM206592  Koeleria macrantha H. M. Hall 1901-06 2066 Riverside South side of San Jacinto Mountains 1524 Comment
  POM263183  Koeleria macrantha J. C. Roos 1937-5-10 457 Riverside South of Lake Elsinore Comment
  RSA396457  Koeleria macrantha Dave Kelly, Walter Wisura 1987-6-19 4166 Riverside 7.3 miles from Highway 74 along Thomas Mountain Road, S of Lake Hemet Comment
  UCD86079  Koeleria macrantha F. M. Reed 1920-6-14 4432 Riverside San Jacinto Mts., ridge west of Idyllwild. 1676 Comment
  SJSU4485  Krameria bicolor T. G. Balgooyen 1966-4-4 46 Riverside 3 mi E of Palm Springs Comment
  UCR13704  Krameria erecta N. R. Zabriskie, W. W. Zabriskie 1972-6-9 514 Riverside Santa Rosa Mtns/Colorado Desert, NW of Hwy 74, Deep Canyon drainage. Site 9 1220 Comment
  RSA408599  Krameria grayi Robert Gustafson 1980-5-5 1570 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash. 610 Comment
  RSA408603  Krameria grayi Albert J. Perkins 1916-4-16 s.n. Riverside Palm Springs. Comment
  UC1108982  Lamarckia aurea H. E. and S. T. Parks March, 1947 Riverside Santa Rosa Canyon near Indio; Santa Rosa Canyon Comment
  SD143875  Lamium amplexicaule Scott D. White 1993-3-3 1089 Riverside Romoland/Winchester Area 440 Comment
  UCR4067  Lamium amplexicaule Carole Sims 1965-4-12 s.n. Riverside University of California, Riverside campus; lawn north of permanent Union Building site. 274 Comment
  RSA621500  Lamium amplexicaule D. L. Banks 1997-11-15 2201 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. Along the margins of a small man-made pond. 549 Comment
  POM14062  Langloisia setosissima subsp. setosissima P. A. Munz, D. D. Keck 1922-4-9 4867 Riverside Palm Springs. 457 Comment
  RSA339623  Larrea tridentata Robert F. Thorne, C. W. Tilforth 1980-5-28 54169 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  UC452608  Larrea tridentata Joseph Grinnell 1910-3-17 Riverside Riverside Mt.; Colorado River Comment
  RSA618417  Lastarriaea coriacea D. L. Banks 1997-5-5 1959 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, approximately 60 m east of its intersection with Pechanga Creek 396 Comment
  UC63214  Lasthenia coronaria H. M. Hall 1903-4-1 3832 Riverside vicinity of Riverside 365 Comment
  RSA596932  Lasthenia glabrata subsp. coulteri G. R. Ballmer 1996-4-14 s.n. Riverside Lake Elsinore area, S of I 15 along E side of Nichols Rd. Comment
  UCR76161  Lasthenia gracilis A. C. Sanders 1993-4-1 13660 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  UCR96815  Lasthenia gracilis Scott D. White 1993-3-12 1174 Riverside Near Winchester 466 Comment
  CSUSB977  Lathyrus laetiflorus Pam Maynard 1974-5-26 Riverside Mount San Jacinto Mount San Jacinto- Idyllwild. Mount San Jacinto Park- campground #14 1828 Comment
  RSA674762  Lathyrus vestitus Scott D. White, Pam De Vries 2000-4-25 7733 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  UCR16264  Lathyrus vestitus Rodney Hendrick 1965-5-2 s.n. Riverside Perris-Aguanga Basin, 5 mi. west of Aguanga on Hwy 71 610 Comment
  VVC1248  Lathyrus vestitus F. Zaebst 1959-3-24 s.n. Riverside S Calif, On U.S. 395 20 yds N of Hwy marker 34-36A btw Murrietta and N Fallbrook turn off (W side rd) 298 Comment
  POM14210  Lathyrus vestitus subsp. laetiflorus Wm. M. Pierce 1922-4-15 s.n. Riverside Santa Ana Canyon. Santa Ana Mountains. Comment
  POM12803  Lathyrus vestitus subsp. laevicarpus P. A. Munz 1922-6-24 5803 Riverside Pipe Creek, Hemet Valley 1585 Comment
  JOTR16603  Layia glandulosa Walters, Jim 1967-3-14 s.n. Riverside Joshua Tree National Park. ONE MILE NORTH OF SQUAW TANK Comment
  POM294111  Layia glandulosa Lyman Benson 1946-4-15 12018 Riverside 2 miles east of Banning, Colorado Desert. 609 Comment
  UCR23999  Layia platyglossa John C. Roos 1965-6-13 s.n. Riverside Peninsular Range; San Jacinto Mtns., Mountain Center 1372 Comment
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Jan 8 2013
  UCR6685  Layia platyglossa L. B. Ziegler 1966-6-21 049 Riverside Peninsular Range; San Jacinto Mtns., between Mountain Center and Keen Camp Summit 1448 Comment
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Jan 8 2013
  UCSB19172  Layia platyglossa Chepin, Matt 1965-5-16 Riverside Hemet Meadow, State Highway 74, 4.7 miles from junction with State Highway 71 1341 Comment
  RSA263684  Layia platyglossa subsp. campestris E. W. Lathrop 1968-6-2 6951 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA233324  Layia platyglossa subsp. platyglossa L. B. Ziegler 1968-4-16 s.n. Riverside Hemet Valley, San Jacinto Mts Comment
  RSA741206  Layia ziegleri Scott D. White, Justin M. Wood 2008-5-15 11961 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  CAS-BOT-BC274339  Leersia oryzoides A. C. Sanders; O. F. Clarke; C. N. P. S. field trip 1991-10-5 11740 Riverside Riverside, Fairmont Park. Along Spring Brook between Lake Evans and the Santa Ana River, ca. 50-100 m below the lake Comment
  RSA180239  Lemna minuta E. W. Lathrop 1965-3-30 5779 Riverside 6 miles W of Murrieta. Comment
  RSA180477  Lemna minuta E. W. Lathrop 1960-6-9 4989 Riverside 14 miles west of Murrieta. Comment
  CAS-BOT-BC89435  Lepidium fremontii J. F. Emmel 1969-3-26 148 Riverside North end of Coxcomb Mountains, flats about 2 miles north of base of mountains. Comment
  POM147643  Lepidium fremontii F. M. Reed 1927-3-20 5476 Riverside Mouth of Cottonwood Springs Canyon, 30 miles E of Mecca, Colorado Desert. 274 Comment
  RSA429903  Lepidium fremontii Christopher Davidson 1973-4-19 1975 Riverside Joshua Tree Natl. Monument, ca 4 mi. E of Split Rock, ca 1.5 mi S of park entrance. 1220 Comment
  CAS-BOT-BC89582  Lepidium lasiocarpum Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2122 Riverside North end of Palen Mountains, 2 miles west of Palen Pass. 300 Comment
  JOTR31226  Lepidium lasiocarpum var. lasiocarpum La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2010 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 4) basalt rocky slopes above Pinto Wash, sparsely vegetated 377 Comment
  UC144134  Lepidium lasiocarpum var. lasiocarpum Charlotte M. Wilder 1908-3-25 1121 Riverside Fairmount Park Riverside Comment
  UC68541  Lepidium lasiocarpum var. lasiocarpum H. M. Hall Apr 1905 5823 Riverside 8 mi w Coachella; Colorado Desert 0 Comment
  UC1929468  Lepidium virginicum subsp. menziesii Scott D. White 2001-4-13 8320 Riverside BADLANDS: County Landfill area north Moreno Valley. About 1/4 air mi NW of the SR-60 freeway jtn with Gilman Springs Rd. Comment
  RSA282920  Lepidium virginicum var. pubescens C. W. Tilforth, B. Busenberg 1980-6-17 1998 Riverside Along Thomas Mtn Rd, above Lake Hemet, and west of Hwy 74. 1524 Comment
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Dec 28 2013
  RSA673718  Lepidium virginicum var. pubescens Scott D. White, W. La Haye 2000-5-27 7951 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCR202010  Lepidium virginicum var. pubescens 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
  UCR112557  Lepidium virginicum var. robinsonii A. C. Sanders 1998-3-17 21745 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, south of Hemet 343 Comment
  UCR113196  Lepidium virginicum var. robinsonii A. C. Sanders 1998-3-11 21671 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  RSA771792  Lepidospartum squamatum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4609 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA778129  Lepidospartum squamatum Thomas Stoughton, E. Gardner, D. Bell 2010-11-12 720 Riverside PCT Trail. W of White Water Canyon. N of jct of I-10 and Rte 111. 732 Comment
  UCR113551  Lepidospartum squamatum Mitch Provance, Juanita Provance, Seychelle Provance, Claude Provance 1999-4-4 1754 Riverside Riverside, Prenda area (locally known as Whitegates Hills), c. 0.5 miles west of pk 1659. 366 Comment
  UCR113242  Leptochloa filiformis Mitch Provance 2000-9-11 2242 Riverside Jurupa Hills, Sunnyslope, 0.4 miles NW of Armstrong Rd. on Sierra Blvd. 305 Comment
  RSA289874  Leptochloa fusca subsp. uninervia B. A. Prigge 1980-9-17 4089 Riverside Coachella Valley Stormwater Channel: 2 mi. W of Mecca, where Pierce Rd. crosses channel., Near Lat. 33 : 34 N ; Long. 116: 6 W. -55 Comment
  UCR117343  Leptodactylon californicum Mitch Provance 1998-3-20 249 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville. This area is now known as Southridge 381 Comment
  POM99052  Leptosiphon floribundus E. C. Jaeger 1926-5-1 s.n. Riverside Joseph Canyon, Santa Ana Mts. Comment
  SD119890  Leptosiphon floribundus subsp. glaber Louis B. Ziegler 1973-4-26 518 Riverside San Jacinto Mountains; hillside in lower Bautista Canyon. 533 Comment
  POM364670  Leptosiphon floribundus subsp. hallii Anstruther Davidson 1902-5-11 1914 Riverside Martinez Canyon Rd. Comment
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May 22 2012
  SEINET10835382  Leymus triticoides David B. Dunn, Melvin L. Conrad; Patricia L. Kenney 1973-6-15 Dunn 20768 Riverside Gas station at SW corner of jct of Hwys 74 & 71. Comment
  CAS-BOT-BC451631  Lilaea scilloides James R. Shevock 1975-4-28 4225 Riverside At Mesa de Burro, Santa Rosa Plateau. Santa Ana Mountains. 762 Comment
  RSA515325  Lilaea scilloides Jeri Hirshberg 1989-4-4 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, SW of Mesa de Burro, and NW of Mesa de la Punta. 610 Comment
  RSA192244  Lilium humboldtii subsp. ocellatum H. A. Zuill 1966-6-27 252 Riverside At Fisherman's Camp in Tenaja Canyon, about 13 miles SW of Murrieta. Comment
  UCR217561  Lilium humboldtii subsp. ocellatum Jeff B. Galvin 2008-6-26 72 Riverside Peninsular Ranges, Santa Ana Mountains, Horse Thief Canyon, 1.3 km SE of Trabuco Peak 955 Comment
  CAS-BOT-BC225698  Linanthus californicus T. Craig 1927-4-23 207 Riverside Glen Ivy Comment
  RSA552713  Linanthus californicus Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-25 6682 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  RSA336174  Linanthus dianthiflorus subsp. dianthiflorus R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 52004 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  JOTR16800  Linanthus dichotomus subsp. dichotomus 1986-4-15 s.n. Riverside Joshua Tree National Park. LOWER COVINGTON FLAT Comment
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Feb 25 2013
  RSA775385  Linanthus jonesii Duncan S. Bell 2011-4-10 2245 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  UCR18025  Linanthus lemmonii A. C. Sanders 1976-4-20 534 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  UC1595629  Linanthus liniflorus Steve Boyd and Dave Bramlet 1991-5-13 6253 Riverside ese of Winchester (n side of Domenigoni-Diamond Valleys, ridge top s of s end of Warren Rd); Domenigoni Hills 548 Comment
  CLARK-A1528-5713  Linanthus liniflorus subsp. pharnaceoides John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1066 Comment
  POM12881  Linanthus pungens P. A. Munz 1922-7-7 6058 Riverside Zigzag between Thaquitz Valley and Hidden Lake 2378 Comment
  UCR6480  Linaria canadensis Helen Leach 1967-3-2 C670302- 01 Riverside Pedley 229 Comment
  CLARK-A1528-4219  Linaria canadensis var. texana John C. Roos 1952-4-9 5504 Riverside Mount Rubidoux 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
  CAS-BOT-BC432279  Lithophragma affine Frank W. Peirson 1922-5-19 4189 Riverside San Jacinto River 1143 Comment
  RSA632878  Lithophragma affine subsp. affine R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38141 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  UC146428  Lobelia dunnii var. serrata Miss Kate Conger before Oct. 1909 Riverside Winchester Comment
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Mar 20 2011
  RSA612778  Loeflingia squarrosa D. L. Banks, Victor Steinmann 1997-3-13 1424 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA781796  Loeseliastrum matthewsii Duncan S. Bell 2010-5-1 883 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  UCSB18438  Loeseliastrum schottii Winn, Will 1963-4-8 Riverside U.S. Highway 60-70; 29.6 miles east of Desert Center 243 Comment
  CAS-BOT-BC342259  Logfia filaginoides Lewis S. Rose 1937-4-9 37116 Riverside Palm Springs 137 Comment
  UCR59762  Logfia filaginoides Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3071 Riverside Peninsular Range, Vail Lake area, south of Hwy 79, 0.25 mi east of Pauba Road 457 Comment
  POM96253  Lomatium lucidum E. C. Jaeger 1925-12-23 s.n. Riverside Aguanga. Comment
  UC874770  Lomatium mohavense Lee Haines 1937-4-11 Riverside Keys View Little San Bernardino Mountains Comment
  SEINET7073338  Lomatium utriculatum A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  POM3169  Lomatium vaginatum Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, near shore of L. Elsinore. Comment
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Jul 8 2009
  UC2029940  Lonicera subspicata Scott D. White, T. B. Salvato 2001-6-8 8589 Riverside SANTA ANA MOUNTAINS: Southern margin of county, just northeast of Rainbow Valley. Comment
  UCR193865  Lonicera subspicata A. C. Sanders, Mitch Provance 2008-7-11 35799 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
  RSA562459  Lonicera subspicata var. denudata Steve Boyd, Timothy S. Ross 1992-5-5 7230 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  SD229123  Lonicera subspicata var. denudata Dick Schwenkmeyer 2012-3-26 662 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  RSA406420  Lotus Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  POM229029  Lotus argophyllus var. argophyllus P. A. Munz 1937-5-29 15155 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  UC56579  Lotus argophyllus var. argophyllus H. M. Hall Apr 1902 2899 Riverside vicinity Sage 762 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
  SEINET957355  Lotus eriosolen Walter Graves 2001-1 10801 -3 Riverside Riverside: grown at U. C. R. in agricultural Operations Fields/ 305 Comment
  UCR178018  Lotus grandiflorus Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 526 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  RSA722995  Lotus grandiflorus var. grandiflorus M. Wall 2007-7-6 434 Riverside San Jacinto Valley at sharp bend in Bautista Canyon Rd. 3.1 miles SE of jct. with Fairview Ave. 671 Comment
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Dec 22 2018
  HSC85289  Lotus hamatus Steve Boyd 1986-5-1 1795 Riverside SW Perris Basin, Hill W of Skunk Hollow, Skunk Hollow vernal pool Comment
  UCR158844  Lotus hamatus Scott D. White 1994-6-23 2086 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR90277  Lotus hamatus Scott D. White 1995-7-7 3441 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  UCR97647  Lotus hamatus A. C. Sanders, G. Helmkamp 1997-3-15 19972 Riverside Lake Skinner area: lower Rawson Canyon, along the dirt road toward Bachelor Mountain 457 Comment
  POM2646  Lotus heermannii P. A. Munz 1918-4-7 2124 Riverside Temescal Canyon Comment
  RSA735982  Lotus humistratus Scott D. White, Justin M. Wood 2008-5-12 11947 Riverside Beaumont- NE point of the Beaumont Badlands, N of Mt. Davis. 793 Comment
  POM259181  Lotus nevadensis var. nevadensis P. A. Munz 1938-8-13 15328 Riverside Cedar Spring, north base of Santa Rosa Peak 2287 Comment
  POM2464  Lotus oblongifolius H. M. Hall 1901-07 2380 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  UCR16278  Lotus purshianus Annette Price 1962-5-8 87 Riverside Santa Ana Mtns., Santa Rosa Plateau, Tenaja Road, c. 4 mi. [west] from Washington Avenue, Murrieta 549 Comment
  UCR174084  Lotus purshianus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32546 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 564 Comment
  UCR157958  Lotus salsuginosus var. brevivexillus T. B. Salvato, A. C. Sanders 2005-5-17 908 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
  RSA770294  Lotus scoparius subsp. brevialatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4579 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR164935  Lotus scoparius subsp. brevialatus T. B. Salvato, John F. Green 2004-5-27 622 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
  JOTR29612  Lotus scoparius var. brevialatus Andre, Jim 2006-4-26 6750 Riverside Joshua Tree National Park. about 0.5 mi. NNE of Rattlesnake Spring on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  RSA498851  Lotus scoparius var. brevialatus Elizabeth A. White 1928-03 s.n. Riverside Colorado Desert Comment
  RSA6082  Lotus scoparius var. brevialatus C. B. Wolf 1932-5-25 3665 Riverside Snow Creek, No. Base San Jacinto Mountains. Just above the Fish Hatchery 671 Comment
  UCR91616  Lotus scoparius var. brevialatus D. L. Banks, Steve Boyd 1995-4-5 0161 Riverside Peninsular Ranges, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, along the Dripping Springs Trail 610 Comment
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Sep 5 2010
  RSA319651  Lotus scoparius var. scoparius Patricia Wilder 1971-5-13 4945 Riverside Prado Flood control Basin; along bank at east end of top of Prado Dam. 213 Comment
  RSA586300  Lotus strigosus D. L. Banks, S. D. Boyd 1995-5-3 0211 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA653428  Lotus strigosus Scott D. White 1999-5-24 7395 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  RSA660552  Lotus strigosus Lydia Paneri 1982-4-17 11 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  RSA395  Lotus strigosus var. hirtellus J. T. Howell 1927-8-2 564 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  RSA524481  Lotus strigosus var. strigosus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4045 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR138580  Lotus strigosus var. tomentellus Steve Boyd, Orlando Mistretta 1986-3-13 1434 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 366 Comment
  UCR214281  Lotus strigosus var. tomentellus A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37469 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
  UCR72384  Lotus tomentellus Theo Glenn 1991-5-8 91- 78 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 378 Comment
  RSA525455  Lotus wrangelianus Steve Boyd, David E. Bramlet 1990-4-29 4500 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  RSA192347  Ludwigia peploides subsp. peploides H. A. Zuill 1966-7-7 279 Riverside San mateo canyon, 9-10 miles SW of Murrieta. Comment
  RSA736761  Ludwigia peploides subsp. peploides Scott D. White, Lynn Stafford 2007-6-27 11753 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  UC130325  Lupinus H. M. Hall May 1899 1374 Riverside San Jacinto Mountains Comment
  RSA718299  Lupinus arizonicus Michael Honer, L. Hulse 2004-4-2 1880 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  SEINET6932638 Image available Lupinus bicolor W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris, at base of Gavilan Hills. Comment
  UCR103998  Lupinus concinnus George K. Helmkamp 1998-4-3 3062 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river 396 Comment
  CLARK-A1528-498  Lupinus excubitus Fred B. Essig 1964-4-25 25 Riverside Elsinore Comment
  UC489156  Lupinus excubitus C. V. Meyer June 1927 166 Riverside San Jacinto Mts. 1737 Comment
  RSA0030876  Lupinus excubitus subsp. austromontanus Norman C. Cooper 1944-6-17 1421 Riverside San Jacinto Mtns. above Banning. 1067 Comment
  POM2440  Lupinus excubitus var. hallii Philip A. Munz 1918-4-27 2153 Riverside Temescal Canyon. Comment
  UCR231810  Lupinus hirsutissimus Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 04 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  RSA91190  Lupinus hyacinthinus F. W. Peirson 1938-5-30 12412 Riverside Thomas Mountain, Hemet Valley. 1402 Comment
  UCR16254  Lupinus longifolius S. Riddell 1973-5-17 730517 12 Riverside Peninsular Range; Santa Ana Mtns., 0.1 mi west of El Cariso Fire Station on Hwy 74, 15 ft from the road 793 Comment
  RSA594501  Lupinus microcarpus var. densiflorus D. L. Banks, Rashmi Pant 1996-5-13 1013 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along the base of a xeric, arkose ridge, in a small drainage, appx 400 m E of the Dripping Springs Guard Station, just S of Hwy. 493 Comment
  UCSB36644  Lupinus microcarpus var. densiflorus Brownell, K. 1980-5-17 Riverside 4 mi. S on Tenaja Rd. from Calle Colina, Santa Ana Mts. Comment
  RSA6086  Lupinus pallidus Carl B. Wolf 1932-5-25 3669 Riverside San Jacinto Mountains. 1/2 mile below Fish Hatchery, lower edge of upper Sonoran zone, Snow Creek, north base of mountains. 549 Comment
  UCD109478  Lupinus sparsiflorus C. L. Hitchcock 1966-3-16 24186 Riverside 5 miles n.e. of Aguanga. Comment
  UCR143962  Lupinus sparsiflorus June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 915 Comment
  UCR19465  Lupinus sparsiflorus Carl Epling, Harlan Lewis 1941-5-2 s.n. Riverside Sonoran (Colorado) Desert, Cottonwood Spring 915 Comment
  UCR86885  Lupinus sparsiflorus A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16290 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  POM266067  Lupinus sparsiflorus subsp. sparsiflorus C. Leo Hitchcock 1940-3-29 5852 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  CLARK-A1045-82  Lupinus succulentus George K. Helmkamp 1978-4-27 Riverside Valle Vista Mountain Avenue and Florida road; roadside; Hemet 7.5'Q Comment
  CSUSB1452  Lupinus succulentus Leland E. Francois 1966-3-21 32166 6 Riverside City of Riverside 100 yards north of intersection of Van Buren Ave. and Acorn St., on Acorn St. Sandy soil along railroad tracks. 274 Comment
  SBBG53743  Lupinus succulentus S. Boyd 1980-5-8 Riverside Harford Springs County Park, on the NW corner of the Gavilan Plateau Comment
  JEPS83240  Lupinus truncatus W. L. Jepson 1935-4-21 17156 Riverside Aguauga , branch rd to Pines (near branch rd. to Pines) 603 Comment
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Dec 14 2011
  RSA414400  Lupinus truncatus Bonnie C. Templeton 1930-4-15 1486 Riverside Between Perris and Gavilan Peak. 500 Comment
  SEINET2062684 Image available Lupinus truncatus Don Mitchell 1990-4-30 Riverside W side of Sage Rd., ca 0.5 mi S of intersection with Wilson Valley Rd. Sage 7.5' Quad 701 Comment
  UCR137503  Lupinus truncatus D. L. Banks, V. W. Steinmann 1997-3-13 1451 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  UCR174168  Lupinus truncatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32602 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
  CAS-BOT-BC231426  Lycium andersonii Mrs. Robert Campbell 1921-11-26 12 Riverside Palm Canyon Comment
  RSA699028  Lycium andersonii J. R. Bruff 1927-11-26 29 Riverside Cottonwood Springs vicinity. Comment
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Jul 7 2012
  RSA775400  Lycium andersonii Duncan S. Bell 2011-4-10 2250 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  UCD126594  Lycium andersonii Geoffrey Levin 1976-3-27 699 Riverside South side of Chino Canyon, West of Palm Springs. San Jacinto Mountains. 457 Comment
  UCR139389  Lycium andersonii P. A. Munz 1949-4-11 12999 Riverside Mojave Desert, eastern end of Joshua Tree National Monument 945 Comment
  UCR244441  Lycium cooperi Jim Andre 2012-4-16 20932 Riverside Mojave/Sonoran Desert Transition, Joshua Tree National Park; along Cottonwood Springs Rd, 2.4 mi. north of Cottonwood Visitor's Center 956 Comment
  RSA675800  Lythrum hyssopifolia Scott D. White 2001-7-9 8718 Riverside Menifee: 1 mile southwest of Bell Mtn. and 1/2 mile east of I-215 Freeway. 445 Comment
  RSA619542  Madia gracilis D. L. Banks 1997-5-5 1991 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  RSA452618  Mahonia Thekla Mohr 1920-5-1 s.n. Riverside Ivy Canyon, Temescal. Comment
  UCR40080  Malacothamnus fasciculatus Steve Boyd 1985-7-23 1026 Riverside Peninsular Range, De Luz Road, 9.8 mi. west of Rancho California 244 Comment
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Oct 17 2006
  UCR135997  Malacothamnus fasciculatus var. fasciculatus Virginia Moran 2003-7-17 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  POM362257  Malacothrix californica N. C. Cooper 1944-4-23 1153 Riverside Cabazon 457 Comment
  VVC92  Malacothrix clevelandii A. C. Sanders, J. Mac 1997-5-4 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  POM14253  Malacothrix coulteri P. A. Munz 1922-4-9 4813 Riverside Hayfields, Chuckwalla Valley 152 Comment
  CAS-BOT-BC347691  Malacothrix glabrata L. R. Abrams 1926-3-25 11048 Riverside Between Banning and Cabazon Comment
  OBI8209  Malacothrix glabrata David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12070 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd 11 mi S of N park boundary Comment
  RSA0065860  Malacothrix glabrata Cheryl Sevilla, Sarah J. De Groot 2015-3-16 22 Riverside Transverse Ranges, San Bernardino Mountains region: San Gorgornio Wilderness Area; just west of Mission Creek; 0.8 miles northwest of the Stone House. 811 Comment
  RSA727393  Malacothrix glabrata Naomi Fraga, Lisa Rojas 2005-2-10 1385 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  RSA779622  Malacothrix glabrata Duncan S. Bell 2010-4-1 656 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  SBBG66070  Malacothrix glabrata A. J. McClatchie -May-1892 Riverside Elsinore Comment
  SEINET242055  Malacothrix glabrata A. C. Sanders 2001-4-8 23972 Riverside Western Colorado Desert: Coachella Vly, Garnet, along transmission line route E of Garnet Wash 232 Comment
  UC1539720  Malacothrix glabrata Chas. B. Fiker 1946-4-16 3415 Riverside w side Colorado Desert Comment
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Mar 23 2014
  UC831115  Malacothrix glabrata Lewis S. Rose 1937-4-9 37089 Riverside Banning 706 Comment
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Mar 13 2011
  CLARK-A1528-269  Malacothrix saxatilis var. tenuifolia Margaret Ferro 1970-5-10 14 Riverside Gilman Hot Springs 457 Comment
  JEPS66254  Malosma laurina W. L. Jepson 1901-6-1 1579 Riverside Temescal Wash 335 Comment
  SD193212  Malosma laurina A. C. Sanders, Kelly Volansky 2005-8-31 31593 Riverside Santa Ana Mountains Region: Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Road., ca. 0.5 mile north of Tenaja Rd. 671 Comment
  UCR158329  Malva parviflora A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30071 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
  POM286349  Mammillaria dioica Lyman Benson 1949-3-28 13558 Riverside Santa Rosa Mountains. Pines to Palms Highway from Palm Springs to Hemet. 732 Comment
  CLARK-A1528-429  Marah macrocarpa C. M. Flanagan 1973-5-31 Riverside Morongo Indian Reservation 975 Comment
  RSA652415  Marah macrocarpa Phil Elliott 1981-2-16 7 Riverside Lake Mathews, On Santa Rosa Rd., 3.1 miles south of Lake Mathews Rd. Comment
  RSA662175  Marah macrocarpa Stephen Hill 1981-2-16 6 Riverside Cajalco Rd. 6.3 mile E. of hwy 15. on N side of road approx. 100 yards from road. Comment
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Jul 14 2013
  SD44843  Marina parryi Darley F. Howe 1952-4-28 Riverside 4.0 miles east of Desert Center Comment
  UCR75077  Marina parryi A. C. Sanders, E. J. Lawlor 1992-4-4 12121 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCSB59678  Marina parryi Boyd, Steve; Meury, S.; Noyes, R. 1988-3-10 Riverside N end Palen Mtns., 2 mi. west of Palen Pass 300 Comment
  SD136816  Marrubium vulgare Steve Boyd, Tim Ross 1992-5-6 7265 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; Verdugo Potrero, near the Verdugo Trailhead. 730 Comment
  UCR92166  Marrubium vulgare D. L. Banks, Steve Boyd 1995-5-3 0230 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  UCR12617  Marsilea vestita K. H. Fisher 1968-5-14 10 Riverside Santa Ana Mountains, Murrieta, cattle reservoir 50 yards from Tenaja Rd & 8 mi from Washington St. 549 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
  CAS-BOT-BC348068  Matricaria discoidea S. B. Parish 1914-4-13 9075 Riverside Ethanac, near Perris Comment
  RSA621899  Matricaria matricarioides Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-18 2995 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  UCR171736  Melasphaerula ramosa O. F. Clarke, A. C. Sanders 2006-4-4 s.n. Riverside Riverside, UCR Botanical Garden 335 Comment
  CDA23152  Melia azedarach Steve Boyd 2007-4-2 11723 Riverside Peninsular Ranges; Perris-Aguanga Basin region: Southeastern end of the Gavilan Hills, norh of Warm Springs Valley at upper end of Walsh Canyon, ca 0.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia azedarach and across from driveway leading to 26875 Walsh Road. Comment
  JOTR34341  Melica frutescens Andre, Jim 2012-4-11 20684 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
  CLARK-A1528-5177  Melica imperfecta John C. Roos 1950-4-22 4752 Riverside Box Springs Mountains 792 Comment
  RSA697043  Melica imperfecta Keith E. Hoffmaster 1937-6-6 s.n. Riverside San Jacinto Mts., a mile or so from a public camp near Keen Camp. Comment
  UCD87935  Melica imperfecta A. Lewis 1934-3-1 325 Riverside Bedford Canyon, southeast of Corona, National Forest. 762 Comment
  UCR113150  Melica imperfecta A. C. Sanders 1998-3-11 21682 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UCR113894  Melica imperfecta Mitch Provance 1998-4-14 443 Riverside Jurupa Mountains, Crestmore Heights, E. Rattlesnake Mt., 'Oak Knoll' about 0.5 km west of Rubidoux Blvd., across the street from the Crestmore Mines at the Riverside Cement Company. 396 Comment
  UCR120602  Melica imperfecta Steven R. Hill 2001-5-3 33668 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
  UCR177937  Melica imperfecta Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 030 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UCR148483  Melilotus albus John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 25 and 26, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR20709  Melilotus indicus A. C. Sanders, Steve Boyd 1980-5-2 1425 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  POM348170  Melilotus indicus N. C. Cooper 1944-4-22 1136 Riverside Banning. 732 Comment
  RSA556497  Melilotus indicus Julie Greene 1993-4-3 1111 Riverside San Jacinto Wildlife Area; around pond #3. 442 Comment
  UCR80279  Mentha aquatica L. C. Wheeler 1932-9-4 1316 Riverside Prado Basin, Santa Ana River at Chino Creek 183 Comment
  CAS-BOT-BC223710  Mentzelia K. Larson 1977-5-12 2286 Riverside Wiley Wells Road ca. 20 mi. W. Blythe Comment
  RSA568837  Mentzelia Christopher Davidson 1979-4-4 7701 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca 213 Comment
  UCR260574  Mentzelia A. C. Sanders, Nina Kidd, Jeff Crain 2015-3-31 41532 Riverside Peninsular Range; Eastern Foot of Santa Ana Mtns., Temescal Canyon, northwest of El Hermano Road junction along sandy wash of Temescal Creek 313 Comment
  JEPS42765  Mentzelia affinis W. L. Jepson 1914-5-23 6056 Riverside Conchilla Desert; ; Labed shows Colorado Desert, California Comment
  JEPS41211  Mentzelia albicaulis W. L. Jepson 1928-4-25 12606 Riverside below Cottonwood spr. (In wash); Colorado Desert, Cotton Wood Mts.; (Cottonwood Mts.) 731 Comment
  UCR68873  Mentzelia dispersa Steve Boyd, T. S. Ross 1990-5-11 4706 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  SD21517  Mentzelia involucrata Frank F. Gander 1938-5-21 5760 Riverside Shaver's Summit Comment
  UCR196363  Mentzelia involucrata Naomi Fraga, Lisa Rojas 2005-2-10 1358 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCSB4221  Mentzelia involucrata Atsatt, Pete 1958-3-21 Riverside 1.5 miles from town of Whitewater, U.S. Highway 66 & 99; up Whitewater Canyon 518 Comment
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Nov 19 2014
  RSA440448  Mentzelia jonesii H. M. Hall 1905-05 6002 Riverside Cottonwood Pass. 701 Comment
  JEPS26731  Mentzelia longiloba Marjorie D. Clary 1936-3-20 2595 Riverside Forty miles north of Desert Center on the road to Webber City. North Colorado Desert. Comment
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Aug 28 2016
  RSA543979  Mentzelia micrantha Steve Boyd 1991-5-10 6211 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  UCR207511  Mentzelia micrantha O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  SEINET3099877 Image available Mentzelia multiflora G. Rink 2011-3-9 10376 Riverside Palo Verde Solar Site, southwest of Blythe 90 Comment
  UCR56701  Micropus californicus var. californicus Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., south of town of Murrieta, just west of Mesa del Burro. Rocky creek bed below Guava-DeLuz Road, c. 1.5 mi SW of intersection w/ Hayes Avenue 610 Comment
  JEPS36154  Microseris douglasii subsp. douglasii S. B. Parish 1914-3-24 9079 Riverside Perris Comment
  RSA584681  Microseris douglasii subsp. douglasii D. Bramlet 1992-4-29 2244 Riverside San Jacinto Nuevo Y Potrero. This site is located some 823m west of Gilman Springs Road (Highway 79), just northwest of the Quail Ranch golf course. It is approximately 460m south of Bold Style Ave. 436 Comment
  RSA524416  Microseris douglasii subsp. platycarpha Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4108 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  UCR266781  Microseris douglasii subsp. platycarpha Mitch Provance, Matt Amalong 2015-3-25 315- 27 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
  POM13833  Microseris lindleyi P. A. Munz 1922-4-28 5029 Riverside Temescal Canyon. Comment
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Apr 3 2011
  OBI37455  Mimetanthe pilosa Melody Lardner 1981-5-28 190 Riverside In the Box Springs Mts on Box Springs Mt Rd 2.5 mi from the corner of Pigeon Pass Rd and Box Springs mt Rd 914 Comment
  RSA0029100  Mimulus John F. Emmel 1989-3-15 1118 Riverside Bernasconi Hills east of Lake Perris. Slope 0.4 air mi NE of peak 2381. 488 Comment
  POM256714  Mimulus aurantiacus var. pubescens W. Pequegnat 1940-6-19 s.n. Riverside Pleasants Pk. (Sugarloaf Pk.) 1220 Comment
  UC943879  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1889 C Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 640 Comment
  RSA442714  Mimulus aurantiacus var. puniceus Ora M. Clark 1929-3-2 1630 Riverside Near Elsinore. Comment
  JOTR28875  Mimulus bigelovii var. bigelovii La Doux, Tasha, Bill Truesdell 2004-3-17 1110 Riverside Joshua Tree National Park. Cottonwood Mtns; just north of southern boundary 563 Comment
  POM42984  Mimulus bigelovii var. bigelovii Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  SFV15669  Mimulus bigelovii var. bigelovii D. M. Thompson 1988-3-4 824 Riverside Vicinity of Shaver's Well. 7.3 miles from I-10 interchange along Bax Canyon Road to Mecca. North side of road in broad washes. About 100 yards above the road. 280 Comment
  UC124387  Mimulus bigelovii var. bigelovii S. B. and W. F. Parish April 1882 1217 Riverside Morongo Comment
  UCR41848  Mimulus bigelovii var. bigelovii A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6101 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCSB10262  Mimulus bigelovii var. bigelovii Sage, Paul 1958-3-22 Riverside on S. side of U.S. 60; 6 mi. E. Desert Center 274 Comment
  JEPS23554  Mimulus brevipes Peter H. Raven 1958-5-17 12947 Riverside 7.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  UCR133168  Mimulus diffusus Frank C. Vasek 1978-5-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon, c. 4 miles by road SSE of Valle Vista 671 Comment
  UCR217637  Mimulus diffusus Jeff B. Galvin 2010-5-5 125 Riverside Santa Ana Mountains, Along Coldwater Trail, on ridge between Coldwater Canyon and Mayhew Canyon. 944 Comment
  RSA557343  Mimulus floribundus Julie Greene 1993-5-12 1311 Riverside San Jacinto Wildlife Area; south of gated W-E road, east of Davis Road. 433 Comment
  RSA614599  Mimulus floribundus A. C. Sanders, Steve Ogg 1994-7-28 15182 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd Bridge 243 Comment
  RSA632473  Mimulus floribundus Scott D. White 1998-6-17 6745 Riverside Along Gavilan Rd. or Santa Rosa Mine Rd.; ca. 7 mi survey route from Gavilan/ Cajalco Rd. jtn. south and east to Santa Rosa Mine/ Post Rd. jtn. 488 Comment
  UCR18484  Mimulus floribundus A. C. Sanders 1978-6-11 s.n. Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  SEINET9797064 Image available Mimulus fremontii Sharon McCormick 1976-5-16 Riverside James Reserve, Yellow Pine Forest Comment
  LA209399  Mimulus guttatus Norman C. Cooper; 1415 Riverside San Jacinto Mountains, above Banning 1219 Comment
  UCR232779  Mimulus moschatus William Schlegel, Andrew Troutte 2008-8-8 008 Riverside Peninsular Range; San Jacinto Mtns., c. 2 km NE of Black Mountain summit 2267 Comment
  SEINET8349861  Minuartia douglasii Steve Boyd 1992-4-15 6855 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area; Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek. 427 Comment
  CAS-BOT-BC434679  Mirabilis laevis var. crassifolia Frank W. Gould 1943-4-17 2120 Riverside 12 miles south of Corona. Comment
  POM293183  Mirabilis laevis var. crassifolia Lyman Benson 1946-4-15 12023 Riverside 2 miles east of Banning, Colorado Desert. 610 Comment
  UCR211710  Mirabilis laevis var. crassifolia Fred M. Roberts, Michelle Balk 2006-5-1 6325 Riverside Perris Basin, Old Salt Creek watershed, South Hemet Hills, west of California Ave, c. 2.8 km southwest of the west end of Hemet Ryan Airport runway 483 Comment
  POM14052  Mirabilis laevis var. retrorsa P. A. Munz, D. D. Keck 1922-4-14 5008 Riverside East of Whitwater Ranch 213 Comment
  RSA652388  Mirabilis laevis var. retrorsa J. Bruce Smiley 1940-3-16 s.n. Riverside Mouth of White water 610 Comment
  UC465723  Mirabilis laevis var. retrorsa E. E. Schellenger 1911-4-25 Riverside Point of Rocks, White Water River Comment
  UC851755  Mirabilis laevis var. retrorsa I. W. Clokey, B. C. Templeton 1930-4-9 4676 ` Riverside N of Palm Springs, Colorado desert 170 Comment
  POM99006  Mirabilis laevis var. retrorsa E. C. Jaeger 1926-4-24 s.n. Riverside White Tanks, Pinto Mts. Comment
  RSA708484  Mirabilis laevis var. villosa Scott D. White, Brian Leatherman 2005-5-4 11011 Riverside Eastern Coachella Valley. Thermal area; bajada below Mecca Hills and East of the Coachella Canal. 24 Comment
  UCR154457  Mirabilis multiflora Jason L. Hlebakos 2005-5-30 807 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  SD225032  Mirabilis tenuiloba A. C. Sanders, G. Helmkamp 1996-3-17 17990 Riverside Coachella Valley: Palm Spring, mouth of Palm Cyn., ca. 0.5 km E of Palm Canyon Dr. on Bogert Trail. 163 Comment
  SEINET7248272  Mirabilis tenuiloba Duncan S. Bell, LeRoy Gross 2014-1 6191 Riverside Colorado Desert; Western Colorado Desert region: Santa Rosa Mountains; Toro Canyon on the east side of Martinez Mountain. 259 Comment
  UCR255950  Mirabilis tenuiloba Deidre Conocchioli, Duncan S. Bell 2014-3-4 149 Riverside east side of Santa Rosa Mountains, west edge of Coachella Valley,1.3 mi down dirt BLM road from paved 58th Avenue, 4WD road south of Lake Cahuila and La Quinta 37 Comment
  SEINET8255138  Mohavea D. W. McNeal 1988-3-18 3230 Riverside bottom of Mecca Canyon beside Hwy. #195, 9.5 mi. sw. of Interstate #10 s. of Joshua Tree Nat. Mon. Comment
  SEINET8380172  Mohavea H. M. Hall 1905-4-16 5778 Riverside Canons near Indio Mt. i nthe Colorado Desert, lower Sonoran Zone. 150 Comment
  RSA457757  Mohavea confertiflora Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2118 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UCR148310  Mohavea confertiflora John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  RSA0104635  Mollugo cerviana Duncan S. Bell, Evan Meyer 2014-10-28 7665 Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  UC1995304  Monardella C. Epling, Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino Mountains 1524 Comment
  UC1608213  Monardella breweri subsp. lanceolata Steve Boyd, Tim Ross 1992-6-10 7634 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido, an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 670 Comment
  RSA401570A  Monardella lanceolata var. lanceolata G. R. Johnstone 1928-9-3 s.n. Riverside Mt Tahquitz Trail. 2287 Comment
  LA96075  Monardella nana Elizabeth McClintock; 1940-6-30 20 Riverside near Marion Camp, on the Banning-Idyllwild rd Comment
  LA96076  Monardella nana Elizabeth McClintock; 1940-6-30 18 Riverside near Pine Flats on The Banning-Idyllwild road Comment
  LA96083  Monardella nana Elizabeth McClintock; 1941-7-15 114 Riverside San Jacinto Mountains, on slope S of Strawberry Creek, and W of Domengonio Flats Comment
  LA96104  Monardella nana Elizabeth McClintock; 1941-7-21 129 Riverside San Jacinto Mountains, trail from Round Valley Comment
  UC1499863  Monardella nana E. McClintock, J. Fenley 1940-5-31 14 Riverside 1 mi east of Ribbonwood Camp. Pines to Palms Highway Comment
  UC1499884  Monardella nana Elizabeth McClintock 1941-5-31 44 Riverside 5 miles from turn off to Anza Tablet. After crossing a narrow valley, passing a ranch house, crossing a sluggish stream and going through a second gate Comment
  RSA750405  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 68 Riverside 1.5 miles E of Ribbonwood. Pines to Palms Highway. Comment
  RSA750413  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 58 Riverside Road to Santa Rosa Mt. 0.6 miles above Pines to Palms Highway. Comment
  CHSC67963  Monardella nana subsp. nana Alison Graff 1993-6-24 M- 14 Riverside San Bernardino National Forest, Santa Rosa Mtn. 1.5 mi down Santa Rosa Mtn. Rd. (FS 7S02) from Santa Rosa Camp. Comment
  SEINET10928183  Monardella nana subsp. nana A. Graff 1993-6-24 Graff 52 Riverside San Bernadino National Forest, Thomas Mtn. Go ca. 50 yds. past the former lookout tower site on Thomas Mtn. summit. Monardella nana is off the road, to the right ca. 75 yds. T6S,R3E,S29. Need USNFS permission to collect. Small, dense, population growing among the rocks in clearing, surrounded by Pinus ponderosa, Abies concolor, Calocedrus decurrens, Quercus chrysolepis, with Eriogonum fasciculatum, Lupinus sp., Gutierrezia sp., Galium andrewsii, Bromus sitchensis, Ribes roezlii. Mid-bloom. Comment
  RSA750299  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-13 112 Riverside San Jacinto Mts. Near saw mill at Domengonio Flats, on old Idyllwild road. Comment
  UC25481  Monardella nana subsp. tenuiflora H. M. Hall 1901-6-24 2258 Riverside w side San Jacinto Mountains 1828 Comment
  CAS-BOT-BC248291  Monardella robisonii A. C. Sanders; Mark Elvin 2001-8-17 24594 Riverside Mojave Desert, LIttle San Bernardino Mtns: trail from Key's View to Inspiration Point, Joshua Tree National Park 1646 Comment
  JEPS31427  Monoptilon bellidiforme W. L. Jepson 1928-4-25 12607 Riverside about 1 mi below Cottonwood Springs; Eagle Mts. Comment
  RSA729264  Monoptilon bellidiforme R. F. Thorne 1973-3-30 42707 Riverside Mojave Desert: southeast end Johnson Valley, c. 20 mi north of Yucca Valley and 12 mi east-southeast of Old Woman Springs. 976 Comment
  POM36544  Monoptilon bellioides Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  UCSB37409  Monoptilon bellioides Gordon, Patricia 1980-5-18 Riverside Chuckwalla Mtns., Corn Springs Wash 457 Comment
  POM14366  Muhlenbergia microsperma P. A. Munz, D. Keck 1922-4-9 4749 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA87356  Muhlenbergia microsperma F. W. Peirson 1921-3-22 4323 Riverside Andreas Canyon, Palm Springs region Comment
  SBBG122763  Muhlenbergia microsperma A. Parikh 1990-5-10 166 Riverside S shore Diamond Valley Lake, 4.2 km S of Simpson Rd, 4.4 km W of Winchester Rd 524 Comment
  UC1159574  Muhlenbergia microsperma H. M. Hall 1902-4-26 2978 Riverside Box Springs Mt. vicinity of Riverside 685 Comment
  UCR256792  Muhlenbergia microsperma T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7875 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  RSA0078488  Muhlenbergia porteri Sarah J. De Groot, Duncan S. Bell 2015-9-21 7587 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Along Carrizo Road just north of Highway 74. 1053 Comment
  POM48398  Muhlenbergia rigens P. A. Munz, I. M. Johnston 1924-7-28 8814 Riverside Pine Flats 1738 Comment
  JEPS29484  Muilla maritima Lauramay T. Dempster 1962-4-18 1898 Riverside Palms-to-Pines Hwy Pinyon Flats 1066 Comment
  SD134392  Myosurus minimus var. apus Craig Reiser 1992-5-9 Riverside Hemet, corner of Stowe and California Streets Comment
  SD81333  Myriopteris cooperae Samuel B. Paris Unknown Riverside San Jacinto Comment
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Dec 5 2013
  UC1971485  Myriopteris newberryi Scott D. White 1999-5-28 7435 Riverside Ca. 3 air miles SE of jtn. Cajalco Rd. / Gavilan Rd.: East of Juniper Rd. between Blue Sky Drive and Celestial Dr. Comment
  UC217896  Nama P. A. Munz, D. Keck 1922-4-8 4740 Riverside Mecca , Mecca (Colorado Desert) -30 Comment
  CLARK-A1656-627  Nama demissa Lois Ann Scott 1978-4-18 Riverside Thermal Canyon 411 Comment
  UCR241518  Nama demissa A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40640 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  UCSB18501  Nama demissa MacLean, Steve 1963-5-5 Riverside State Highway 74; 10.2 miles SW of Palm Desert 883 Comment
  SD73600  Nama demissa var. demissa Helen V. Witham 830 Riverside Highway 74, 24.3 miles east of Lake Hemet. 1299 Comment
  HSC101509  Nama hispida var. spathulata J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-14 12754 Riverside Roadside 455 Comment
  UCD119548  Nama stenocarpa D. E. Bramlet; A. C. Sanders, M. Costea, and T. Salvato 1999-10-15 2817 Riverside Mystic Lake. The site is 198m S of Gilman Hot Springs Rd, 1.22 km NW of Hwy 79 and 2.1 km S of Jackrabbit trail. 433 Comment
  UCR110373  Nama stenocarpa A. C. Sanders, Mitch Provance 1999-9-26 23120 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  POM266628  Nassella lepida J. C. Roos 1937-5-2 1395 Riverside La Sierra, western Riverside. [Collection is Jack Frost Lake. aka Frost Reservoir, apparently a part of La Sierra [Loma Linda University Campus] ca. 1937 south of Indiana Avenue and west of Sayward Circle, near Pierce;, Owned by city of Riverside ca. 2000 Comment
  RSA702729  Nassella pulchra Scott D. White, Michael Honer 2004-4-6 10060 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  UC1931110  Nasturtium officinale Scott D. White, Justin Wood 2008-6-18 12229 Riverside San Jacinto Mountains: K Flat Meadow. Comment
  CLARK-A1528-3447  Navarretia atractyloides John C. Roos 1952-5-26 5724 Riverside Reche Canyon 457 Comment
  UCR189557  Navarretia fossalis Diane Menuz 2007-5-10 285 Riverside Peninsular Range, Perris Basin, San Jacinto River c. 0.8 mi north of Nuevo Road and 1.5 mi south of Ramona Expressway 431 Comment
  RSA191425  Navarretia hamata subsp. hamata E. W. Lathrop, R. F. Thorne 1967-9-26 6604 Riverside 6 miles NW of Murieta, Riverside Co. Tenaja Road a the pass enterring valley leading to Tenaja Guard stst. Comment
  SD87635  Navarretia intertexta Frank W. Peirson 1922-5-19 4141 Riverside Five miles northeast of Murrieta on road to Perris Comment
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Nov 19 2011
  RSA525253  Nemacladus longiflorus var. breviflorus Steve Boyd, Timothy S. Ross 1990-5-11 4631 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  RSA0014941  Nemacladus longiflorus var. longiflorus LeRoy Gross, Evan Meyer 2013-5-21 6118 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley. Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  RSA0126315  Nemacladus longiflorus var. longiflorus Charlotte M. Wilder 1905-05 s.n. Riverside Wilders Canyon, Riverside. Comment
  RSA0013618  Nemacladus ramosissimus LeRoy Gross, Duncan S. Bell 2013-4-30 6025 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  RSA395910  Nemacladus ramosissimus Steve Boyd 1986-4-22 1770 Riverside Temescal canyon: Terrace escarpment E side of Indian Wash, S of I-15. Comment
  RSA407740  Nemacladus ramosissimus Steve Boyd 1986-5-1 1800 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  RSA618161  Nemacladus ramosissimus D. L. Banks 1997-5-5 2024 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
  UC110963  Nemacladus ramosissimus T. S. Brandegee Apr 1901 Riverside Colorado Desert Comment
  UCR15479  Nemacladus ramosissimus Robin L. Kobaly, G. K. Helmkamp 1978-5-2 s.n. Riverside San Jacinto Mtns, Bautista Canyon, 5 mi south of Valle Vista 823 Comment
  RSA518555  Nemacladus rubescens O. F. Clarke 1973-4-1 s.n. Riverside At south entrance to Joshia Tree National Monument, just below Cottenwood Springs. Comment
  RSA0119997  Nemacladus sigmoideus Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9088 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 550 Comment
  SEINET7073396  Nemophila menziesii A. G. Vestal 1963-4-23 s.n. Riverside About 1.6 mile up the Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UC24227  Nemophila menziesii Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  CLARK-A1528-5059  Nemophila menziesii subsp. integrifolia John C. Roos 1937-5-10 666 Riverside Lake Elsinore Comment
  CSUSB120  Nemophila menziesii var. menziesii J. R. Sweeten 1965-4-21 Riverside About 1 mile southwest of Lake Matthews Dam; near roadside on steep slope; Riverside. Comment
  POM8814  Nicotiana bigelovii var. wallacei Philip A. Munz, R. D. Harwood 1920-5-5 3833 Riverside Near Wineville 457 Comment
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Jun 11 2012
  RSA776353  Nicotiana obtusifolia Duncan S. Bell, Amanda Turek 2010-4-10 801 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  SD260130  Nicotiana obtusifolia J. Andre 2012-4-11 20776 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. Interface of steep hills and large wash. 729 Comment
  UCR125291  Nicotiana quadrivalvis A. C. Sanders 2002-11-21 25648 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  RSA0060150  Nicotiana quadrivalvis Scott D. White 2000-5-1 7741 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  UCD139081  Nolina parryi T. Scott; A. Townesmith, K. M. Meyer 2007-3-18 137 Riverside San Bernardino National Forest. San Jacinto Ranger District, about 0.2 mi. along Pinon Flats Transfer Station Rd. off Rte. 74. 1228 Comment
  SBBG45299  Notholaena californica W. Wright -Mar-1890 Riverside Agua Caliente [Palm Springs] Comment
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Jul 16 2010
  UC197907  Notholaena californica S. B. and W. F. Parish 1882-1 502 A Riverside Agua Caliente, desert slope of San Jacinto Mountain Comment
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Mar 9 2011
  SBBG122762  Nuttallanthus texanus A. Parikh 1990-4-27 162 Riverside Rawson Cyn, SW of Crown Valley, 1.6 km SW of jct of Crown Valley Rd and Rawson Rd 612 Comment
  RSA596774  Oenothera californica subsp. californica D. L. Banks, K. D. Hedge 1996-5-16 1042 Riverside NW Palomar Mountains; Agua Tibia Mountains; N foothills of Dorland Mtn., S of Temecula Creek; 0.4 miles E of Pauba Road on the N side of Los Caballos Road, along the broad, sandy, southern alluvial bench of Temecula Creek. 370 Comment
  RSA771507  Oenothera decorticans Keith E. Hoffmaster 1935-3-31 592 Riverside Palm Springs Comment
  RSA25381  Oenothera deltoides subsp. deltoides C. L. Hitchcock 1940-4-4 5944 Riverside Pinto Basin. Comment
  UCR199726  Oenothera elata Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10675 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  VVC347  Oenothera elata F. Zaebst 1959-4-26 s.n. Riverside South Perris Basin, US 395 (now I-15), 2.2 mi S of Temecula River Bridge, 10 yds S.E. of hwy marker 38&30A E. side of road. 366 Comment
  RSA158235  Oenothera elata subsp. hirsutissima David P. Gregory 1961-7-16 473 Riverside About 1 mile down a side road to the southeast, leaving US 395 four miles south of Temecula. Comment
  RSA726578  Oenothera primiveris subsp. bufonis Naomi S. Fraga, Lisa Rojas 2005-2-10 1418 Riverside Along Palen Road near Hwy 177. 170 Comment
  OBI38911  Oligomeris linifolia A. C. Sanders, Pitzer, Charlton, & Kniffen 1986-3-3 6114 Riverside Corn Spring, Chuckwalla Mts, was below the spring and wash and rocky slopes to the south 488 Comment
  RSA399179  Oligomeris linifolia N. C. Cooper 1949-4-8 3283 Riverside Shaver's Summit east of Indio. 610 Comment
  SEINET5866663  Oligomeris linifolia E. Neese 1979-4-10 7076 Riverside About 25 miles west of Blythe, along I-10 244 Comment
  UCR90318  Oligomeris linifolia Ed LaRue 1993-4-28 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 125 Comment
  RSA0012647  Olneya tesota April Garbat, Kristin Forgrave 2013-5-29 76 Riverside Along Box Canyon Rd from Cottonwood Springs Rd to Mecca. 305 Comment
  UCR87649  Olneya tesota A. C. Sanders 1994-6-1 14622 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
  OBI59203  Oncosiphon piluliferum Robert Noll 1998-3-23 s.n. Riverside Moreno Valley, E of Lake Perris along JFK Blvd. Also seen in Orange county, Haul Cyn Rd, Irvine Ranch Comment
  UCR241815  Oncosiphon piluliferum A. C. Sanders, Timothy W. Chumley 2013-4-2 40758 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 405 Comment
  RSA0031146  Opuntia basilaris Marc Baker, Michelle Cloud-Hughes, Tim Thomas, Alice Karl 2013-9-26 17803 Riverside Chuckwalla Mountains, north side of Corn Springs Wash, 1.1km ESE of Corn Spring, 12.2km SE of Desert Center, 70 km west of Blythe. 478 Comment
  SEINET10820591  Opuntia chlorotica Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-19 Meyer 22 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  RSA0002171  Opuntia erinacea var. paucispina M. B. Dunkle 1934-11-3 4236 Riverside Ribbonwood. Santa Rosa Mountain. 1524 Comment
  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
  SEINET269565  Opuntia parryi Scott D. White 1996-5-27 4078 Riverside Jackrabbit Canyon: E of Moreno Valley and S of Calimesa between St Hwy 60 & Gilman Spr Rd. W & N of former gravel quarr 518 Comment
  SEINET9192033 Image available Opuntia phaeacantha Marc A. Baker, Michelle Cloud-Hughes 2015-6-23 18358 Riverside 2.5km north of central Banning, 39km NW of central Palm Springs 841 Comment
  SEINET4080627  Orcuttia californica L. M. Boykin, P. M. Hall 2003-1 Riverside Comment
  RSA734945  Orobanche cooperi W. Blanchard 1932-4-16 s.n. Riverside Palm Spring Station. Comment
  SEINET10902575  Orobanche cooperi David B. Dunn Dunn 2031 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Sparse desert scrub of Larrea and Franseria, with palms at the springs in the canyon. Comment
  UCR241218  Osmorhiza brachypoda Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 245 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  UCR95212  Osteospermum ecklonis D. L. Banks, E. H. Banks 1996-5-2 953 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
  UCR63617  Oxytheca trilobata Chet McGaugh 1990-8-8 s.n. Riverside SW Durasno Valley, south of town of Anza 1372 Comment
  RSA434257  Paeonia californica M. V. Hood 1945-3-28 s.n. Riverside Summit Hwy 79 looking down to Hemet. 762 Comment
  UC1979663  Paeonia californica Darin L. Banks, Steve Boyd 1995-3-15 66 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. Comment
  SD260188  Palafoxia arida var. arida A. C. Sanders, Jim Malusa 2016-3-18 42382 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, along gasline road 21.5 km due norht of Slab City / Camp Dunlap. Rocky canyon with wide sandy wash. 537 Comment
  SEINET3388822 Image available Palafoxia linearis Lewis S. Rose 1936-1-1 36003 Riverside Colorado Desert, L.A. Aqueduct Road, 15 mi. N. of Indio. 305 Comment
  RSA314484  Panicum capillare R. F. Thorne, K. L. Wright, R. K. Benjamin 1982-10-8 55367 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  UCR113876  Panicum capillare Mitch Provance, A. C. Sanders 2000-7-4 2085 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA724047  Panicum dichotomiflorum subsp. dichotomiflorum R. E. Riefner 2004-9-18 4 -435 Riverside City of Corona, E of Santa Ana Canyon along Santa Ana River, ca. 0.5 mi S of 71 Freeway. 135 Comment
  UC2028837  Panicum hirticaule subsp. hirticaule G. Rink with N. Kramer, C. Shohet 2012-9-11 11695 Riverside Along the powerline west of the Sonoran West substation about 20 miles west of Blythe. Comment
  RSA263663  Papaver californicum E. W. Lathrop 1969-5-8 7017 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UC64142  Papaver californicum John Haslam 1897-4-19 482 Riverside s of San Jacinto (St. John's Canyon); St. John's Canyon Comment
  SEINET1909742 Image available Pappostipa speciosa Sarah De Groot, Janelle De Groot 2005-1 4989 Riverside South end of Providence Mountains, Arroweed Spring, end of dirt road NE of Kelbaker Road. Horse Hills area. 366 Comment
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Jul 9 2014
  CLARK-A1045-123  Parietaria floridana George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  RSA524466  Parietaria hespera var. hespera Steve D. Boyd, Tim S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4069 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  LA31742  Parkinsonia florida Mary V. Hood; 1942-4-2 42- 12 k* Riverside S of Indio. Riverside and Imperial County line 0 Comment
  RSA796453  Parkinsonia florida Duncan S. Bell 2009-4-18 225 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  SDSU7891  Parkinsonia florida D. L. Harrison 1967-4-13 13 IV87D Riverside Sandy roadside. From jet. of St. Rt. 111 & St. Rt. 195 in Mecca, NE 15 miles on St. Rt. 195 in the Mecca Hills. 91 Comment
  UCR111981  Parkinsonia florida A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23368 Riverside Coachella Valley, east side of Coachella Canal between I-10 and Ave. 52, east of Coachella 24 Comment
  PASA212  Parosela emoryi Florence Brubaker Riverside Thousand Palms Comment
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Mar 23 2019
  JEPS29322  Pectocarya anisocarpa Rimo Bacigalupi and L. Heckard 1962-3-26 8418 Riverside 1 mi n Winchester (extreme se flank of buttes, 8 air mi sw of Hemet); Double Buttes 487 Comment
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Mar 20 2011
  POM259968  Pectocarya heterocarpa P. A. Munz 1940-3-23 15725 Riverside N end of Pinto Basin mojave desert 915 Comment
  RSA716825  Pectocarya linearis A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25838 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  UCR116972  Pectocarya linearis A. C. Sanders, T. B. Salvato 2001-5-3 24097 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR127338  Pectocarya linearis A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25838 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR228850  Pectocarya linearis A. C. Sanders, Nathan Moorhatch 2011-3-22 38793 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
  RSA524224  Pectocarya linearis subsp. ferocula Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4018 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  POM12230  Pectocarya penicillata Mary F. Spencer 1921-4-16 s.n. Riverside Banning 701 Comment
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Mar 13 2011
  RSA673717  Pectocarya penicillata Scott D. White, W. LaHaye 2000-5-27 7925 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  RSA795743  Pectocarya platycarpa J. Andre 2012-3-19 21314 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  UCR214424  Pectocarya platycarpa A. C. Sanders, Richard Dwerlkotte 2010-3-22 37507 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  UCR279359  Pectocarya platycarpa A. C. Sanders, Jim Malusa 2017-3-24 42966 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  RSA799403  Pectocarya recurvata Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 744 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road 305 Comment
  RSA691960  Pellaea andromedifolia Scott D. White, Michael Honer 2003-4-9 8986 Riverside About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak e2349.' 549 Comment
  SD138001  Pellaea andromedifolia var. andromedifolia Darin L. Banks, Steve Boyd 1995-3-30 116 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope AguaTibia Mtn., west of Dripping Springs Alcove, east of Woodchuck Trail Comment
  UCR280950  Pellaea mucronata Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 67 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., 700-1100 ft. WNW of inter. with Glen Eden Rd. 366 Comment
  RSA523503  Pellaea mucronata var. mucronata Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-30 3963 Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  UCR178017  Penstemon X parishii Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 524 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  RSA97212  Penstemon X parishii R. M. Straw 1953-6-24 480 Riverside Idyllwild-Banning Rd., 6.5 mi. S. of Banning. 1143 Comment
  NY583793  Penstemon centranthifolius D. B. Dunn 1973-6-15 20770 Riverside Collected at the junction of Highway 74 and 71. A gas station on the southwest corner. Comment
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May 24 2012
  NY583822  Penstemon centranthifolius R. M. Straw 1953-6-23 472 Riverside North of Fulmor Lake, Idyllwild to Banning Road, San Jacinto Mountains Comment
  RSA489134  Penstemon centranthifolius Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  UCR122741  Penstemon centranthifolius George K. Helmkamp, E. A. Helmkamp 1998-4-24 3380 Riverside Santa Rosa Mountains, Pinyon Pines along Calif. Hwy 74 between the San Jacinto and Santa Rosa Mountains 1296 Comment
  UCR135733  Penstemon centranthifolius Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9017 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  UCR99405  Penstemon centranthifolius Scott D. White 1996-8-16 4479 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  RSA97013  Penstemon centranthifolius R. M. Straw 1953-6-4 429 Riverside 0.5 mi. west of Santa Rosa Mountain Truck Trail on Palms to Pines Hwy. Comment
  RSA97020  Penstemon centranthifolius R. M. Straw 1953-6-4 445 Riverside Head of Palm Canyon, Palms to Pines Hwy. Comment
  CAS-BOT-BC265293  Penstemon clevelandii subsp. connatus Barbara Ertter; Jeffrey Strachan 1980-5-21 3487 Riverside Rivulet crossing Santa Rosa Mountain road [Forest Road 7S02] from Highway 74 [Pines to Palms Highway] 1584 Comment
  JOTR31066  Penstemon eatonii var. eatonii La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2048 Riverside Joshua Tree National Park. Little San Bernardino Mountains; STOP 5: side canyon above Smith Water Canyon on west side of Quail Mountain region Comment
  UC1329887  Penstemon eatonii var. undosus James E. Cole 1941-5-29 813 Riverside Stubby Spring Road Joshua Tree National Monument, Stubby Spring Road 1432 Comment
  RSA0014857  Penstemon rostriflorus Carl B. Wolf 1932-8-4 3908 Riverside San Jacinto Mts. Point View near Idyllwild. 1646 Comment
  RSA559335  Penstemon spectabilis Steve D. Boyd, Tim S. Ross 1992-5-15 7407 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  NY661179  Penstemon spectabilis var. spectabilis R. M. Straw 1953-6-25 487 Riverside Santa Rosa Mountain Truck Trail, San Jacinto Mountains, Palms to Pines Highway 1676.4 Comment
  RSA0070719  Pentagramma triangularis Scott D. White 2001-4-19 8375 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi west of Interstate 215. 442 Comment
  SDSU17513  Pentagramma triangularis Jerry Jenkins 2001-3-30 2001 -007 Riverside Santa Margarita Ecological Reserve. Foot of Shaded bluff, west side of S.M. River, slightly north of station. UTM zone 6, 481700N, 3699150E. UTM transfered to GIS. Comment
  SEINET852425  Pentagramma triangularis G. Yatskievych 1981-1 81 -141 Riverside Overlooking Lake Elsinore, State Highway 74, 0.6 miles northeast of El Carizo. Comment
  CAS-BOT-BC71576  Pentagramma triangularis subsp. maxonii Lewis S. Rose 1945-12-28 45339 Riverside Tahquitz Canyon, Palm Springs 213 Comment
  UCR22083  Pentagramma triangularis subsp. maxonii Steve Boyd 1980-5-3 189 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  CAS-BOT-BC77497  Peritoma arborea var. angustata S. B. Parish 1916-5-13 10871 Riverside Cottonwood Spr., Colorado Desert Comment
  UCR148464  Perityle emoryi John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCSB7390  Perityle emoryi Gunnerson, Robert 1953-3-21 Riverside 9 mi. east of Indio Comment
  RSA77426  Petalonyx linearis F. W. Peirson 1921-3-23 2376 Riverside Deep Canyon south of Coachella Valley 335 Comment
  CAS-BOT-BC326729  Peucephyllum schottii unspecified 1905-4-1 s.n. Riverside Coachella Comment
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Sep 3 2017
  POM6121  Peucephyllum schottii I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 305 Comment
  UC566662  Peucephyllum schottii Margaret Stason 1927-3-12 Riverside Painted Canyon Colorado Desert Comment
  UC68951  Peucephyllum schottii Joseph Burtt Davy 1902-3-25 7934 Riverside Indio Comment
  UCR168266  Peucephyllum schottii Scott D. White 2001-4-3 8241 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  CHSC8289  Phacelia Edward L. Smith 1958-3-22 409 Riverside Located in sand dunes 3 mi. s of Rice, Calif. Little Santa Maria Mts. 335 Comment
  POM13312  Phacelia ambigua E. C. Jaeger 1921-5-20 1076 Riverside Palm Springs. Comment
  POM14022  Phacelia ambigua P. A. Munz, D. D. Keck 1922-4-9 4841 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  RSA23229  Phacelia ambigua Ernest Braunton 1940-4-3 2020 Riverside Berdoo Canyon, 10 mi. E. of Indio. 305 Comment
  IRVC26830  Phacelia brachyloba S. D. White 1997-5-18 5169 Riverside Northern Escarpment S of Banning: Along Hwy 243, ca. 5 road mi SE of Banning and 5 road mi NW of Vista Grande. San Jacinto Mtns 1098 Comment
  UCR6119  Phacelia brachyloba Dorothy Detrich 1966-5-16 49 Riverside San Bernardino Valley Region, Riverside, Santa Ana River bottom at base of Mount Rubidoux 236 Comment
  UCR228253  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37669 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, N of Temescal Canyon Rd. and NW of Concordia Ranch Rd., NW of horse racing track 375 Comment
  UCSB42177  Phacelia cicutaria var. hispida Roos, John 1965-6-19 Riverside Sky Line Drive, south of Corona, Santa Ana Mtns. Comment
  UCR104639  Phacelia ciliata D. E. Bramlet 1996-4-15 2454 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife Area, SW corner of reserve; adjacent to the existing maintenance road and 105 m north of the Ramona Expressway. 433 Comment
  SEINET9296429  Phacelia crenulata Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  UCSC001204  Phacelia crenulata Peter Kamb 1948-4-11 863 Riverside Aqueduct Road 5 mi east of Garnet Garnet - Coachella Valley, Larrea plain 305 Comment
  RSA0043233  Phacelia crenulata var. ambigua Duncan S. Bell 2010-5-1 882 A Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  UCR30056  Phacelia cryptantha A. C. Sanders 1983-4-9 3719 Riverside Little San Bernardino Mountains, Morongo Wash, c. 2 mi south of San Bernardino County Line, just east of Hwy. 62, at the foot of the Little San Bernardino Mountains, and 12 mi NNW of Palm Springs 549 Comment
  RSA314615  Phacelia distans Robert F. Thorne, Mrs. Raymond Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55483 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA650560  Phacelia distans Dick Slanker 1949-3-17 s.n. Riverside 10 mi. So. of Palm Springs. 61 Comment
  RSA770446  Phacelia distans Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4558 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  SD187426  Phacelia distans Naomi Fraga, Lisa Rojas 2005-2-10 1361 Riverside Colorado Desert; Northeastern Colorado Desert region: just north of Palen Pass Road, ca. 10 miles east of Hwy 177 365 Comment
  SD255197  Phacelia distans Duncan S. Bell, Amanda Bell 2012-1-28 3075 Riverside East side of the Arica Mountains; along the old railroad tracks on the west side of Rice Valley, ca. 6.25 air miles south of the ghost town of Rice. 224 Comment
  UCR102945  Phacelia distans George K. Helmkamp 1998-4-4 3135 A Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  RSA718831  Phacelia distans Michael Honer, L. Hulse 2004-4-3 1920 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
  UCR193922  Phacelia imbricata A. C. Sanders, Mitch Provance 2008-7-11 35787 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
  UCR265825  Phacelia imbricata Mitch Provance 2012-5-24 512- 06 B Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  POM122572  Phacelia imbricata subsp. patula Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  SEINET10638466  Phacelia keckii John Thomas Howell 1931-5-30 Howell 6611 Riverside Santiago Peak, Santa Ana Mts. at 4000 feet. 1220 Comment
  POM305650  Phacelia minor Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1016 Riverside Aguanga. Comment
  RSA550042  Phacelia minor Walter Wisura, A. King, L. Newcomb 1992-4-10 4665 Riverside Colorado Desert, Morongo Valley, Mission Creek Ranch W of Highway 62 below Morongo Valley. Comment
  RSA627851  Phacelia minor A. C. Sanders 1994-5-30 14601 Riverside Foothills NNE of Beaumont. 945 Comment
  UC916698  Phacelia minor Frank W. Gould 1944-4-4 2212 Riverside on hwy 71 9 mi se Temecula Comment
  UCR231807  Phacelia minor Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 03 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  UCR97889  Phacelia minor A. C. Sanders 1997-3-1 19704 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  CSUSB150  Phacelia ramosissima Randy Salstrom 1966-5-12 Riverside One mile up canyon from west end of Blain Street, on an old road out in the Box Springs Mountains. 365 Comment
  UC63812  Phacelia ramosissima var. latifolia H. M. Hall June 1899 Riverside Fairmount Hill Riverside Comment
  CLARK-A1528-4797  Phalaris lemmonii John C. Roos 1966-3-24 Riverside Winchester Comment
  RSA515337  Phalaris minor Jeri Hirshberg 1989-5-3 s.n. Riverside Santa Rosa Plateau; S of town of Murrieta, on W side of Mesa de Burro., (Near 33 deg 31'N, 117 deg 14'W). 549 Comment
  RSA0122709  Pholistoma membranaceum Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9055 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
  CAS-BOT-BC135075  Phoradendron californicum Ivan Johnston 1917-4-4 1061 Riverside Palm Canyon 289 Comment
  HSC15912  Phoradendron californicum L. S. Rose 1966-12-11 66093 Riverside Palm Springs 152 Comment
  RSA650125  Phoradendron californicum David B. Dunn 1947-7-12 2977 Riverside Pushawalla Canyon, Indio Hills. Comment
  UCD102017  Phoradendron californicum L. S. Rose 1935-12-19 s.n. Riverside Palm Springs, Colorado Desert. 138 Comment
  SD137585  Phoradendron leucarpum subsp. tomentosum Darin L. Banks 1995-5-9 411 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove area, W of Woodchuck Camping area 737 Comment
  RSA489836  Phoradendron pauciflorum D. Charlton 1988-5-28 2134 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2287 Comment
  UCR140568  Phoradendron villosum Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 10- 76 Riverside San Jacinto Mtns, San Bernardino National Forest, 2 miles north of Idyllwild on Hwy 243, Site L10 1717 Comment
  POM69675  Physalis crassifolia Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  UCR280996  Physalis crassifolia Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 54 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  UCSB6879  Physalis crassifolia Graney, Don 1953-3-21 Riverside 11 miles east of Indio; Colorado Desert Comment
  UCR167801  Picris echioides T. B. Salvato, Melissa Clemons 2005-6-23 1303 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  UC729934  Pinus flexilis Carl B. Wolf 1932-8-5 3982 Riverside summit of San Jacinto Peak San Jacinto Mountains, San Jacinto Peak 3293 Comment
  SEINET11610609  Pinus lambertiana D. A. Charlet, Dene Charlet 2010-5-7 3353 Riverside San Bernardino Mountains, San Jacinto Mountain 2609 Comment
  UCR55209  Pinus lambertiana J. A. Adams 1965-7-3 341 Riverside San Jacinto Mtns., Azalea Canyon above campground 1829 Comment
  RSA651153  Pinus monophylla Peter Gail 1961-5-13 sn Riverside Pinyon Creek State Park. on Palms to Pines Hwy. Comment
  CDA568  Pinus quadrifolia Ronald Somerby 1972-3-1 s.n. Riverside 0.25 mi N of the end of Kirby Rd, Anza. 0 Comment
  CLARK-A1528-3563  Pinus quadrifolia John C. Roos 1936-9-15 2513 Riverside San Jacinto Mountains 1493 Comment
  UCD134972  Pinus quadrifolia John Thomas Howell 1960-3-24 35150 Riverside On road to Anza just south of Palms to Pines Highway. 1463 Comment
  HSC92883  Pinus torreyana A. C. Sanders 1995-12-21 17939 Riverside Riverside: yard at 5081 Magnolia Ave 259 Comment
  UCR24886  Piperia transversa A. C. Sanders 1980-7-22 1728 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  SD234779  Pistacia atlantica Tom Chester 2006-3-9 869 Riverside Peninsular Ranges; Santa Ana Mountains region: Santa Rosa Plateau Ecological Reserve: Los Santos Trail, next to tributary to Cole Creek, 0.25 miles (0.4 km) SW of peak 2064 next to Tenaja Truck Trail 591 Comment
  UCR120797  Plagiobothrys acanthocarpus Ian G. Gillespie 2000-4-26 26 Riverside Perris-Aguanga Basin, S side of Paloma Valley. Hilltop at S end of Lindenberger Road, SW of the intersection of Scott Road and Briggs Road 473 Comment
  UCR226074  Plagiobothrys acanthocarpus A. C. Sanders, T. B. Salvato 2011-4-1 38943 Riverside Peninsular Range, Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill 409 Comment
  UCR98005  Plagiobothrys arizonicus George K. Helmkamp, E. A. Helmkamp 1997-3-5 1332 B Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  UCR213613  Plagiobothrys canescens A. C. Sanders, Matthew Malle 2010-4-23 38005 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UC718552  Plagiobothrys collinus Carl B. Wolf 1935-4-7 Riverside 2 mi sw Perris; Gavilan Hills Region 426 Comment
  UCR150243  Plagiobothrys collinus John F. Green 2005-2-14 s.n. Riverside Moreno Valley, Lasselle St. at Ironwood Ave., N of the 60 Fwy 564 Comment
  UCR174437  Plagiobothrys collinus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32483 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
  RSA587423  Plagiobothrys collinus var. fulvescens D. L. Banks, S. D. Boyd 1995-6-2 567 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
  RSA678976  Plagiobothrys collinus var. fulvescens Scott D. White, Michael Honer 2003-6-3 9493 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR92102  Plagiobothrys collinus var. fulvescens D. L. Banks, Steve Boyd 1995-6-2 0567 Riverside Palomar Mtns., Cleveland Nat'l Forest, Agua Tibia Wilderness Area, N face of N peak of Agua Tibia Mt., on the Wooodchuck Trail north of the Riverside County boundary, c. 1/4 mi south of the clay grasslands in S32 890 Comment
  UCR31281  Plagiobothrys fulvus A. C. Sanders, Theo Glenn 1983-4-17 3736 Riverside Santa Ana Mtns., Mesa de Colorado, 5 mi (airline) SW of Murrieta 612 Comment
  UCR241410  Plagiobothrys leptocladus T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7442 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 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
  RSA85111  Plagiobothrys nothofulvus J. C. Roos 1952-4-16 5559 Riverside Box Springs Mountains, Pigeon Pass. 396 Comment
  HSC92524  Plagiobothrys stipitatus D. Atwood, L. Stritch 1993-4-2 17895 Riverside Santa Rosa Plateau TNC Preserve and adjacent to BLM administrated lands 671 Comment
Read comments
May 15 2015
  SD137833  Plagiobothrys tenellus Darin L. Banks, Steve Boyd 1995-5-9 407 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, The Dorland Mountain area. 733 Comment
  SEINET272326  Plagiobothrys tenellus A. C. Sanders, G Helmkamp 1997-3-15 19961 Riverside Lake Skinner Area; NE of Skinner Lake in a tributary to Rawson Canyon along the dirt road. UTM 10km cell: MH-9E 1N. Sk 503 Comment
  UCR102892  Plagiobothrys tenellus A. C. Sanders 1997-3-26 20100 Riverside Lake Skinner area, along foot trail at west base of Tucalota Hills 518 Comment
  RSA757465  Plagiobothrys undulatus R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55209 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  UC173743  Plantago erecta T. S. Brandegee Apr 1901 Riverside Colorado Desert Comment
  RSA0013144  Plantago major LeRoy Gross, Caitlin Elam 2013-5-14 6070 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
  SEINET9171798  Plantago ovata G. C. Wheeler, J. Wheeler 1969-4-19 s.n. Riverside Deep Canyon Desert Research Area. Comment
  POM14263  Plantago ovata var. fastigiata P. A. Munz, D. D. Keck 1922-4-9 4816 Riverside Hayfields, Chuckawalla Valley. 152 Comment
  POM312789  Plantago ovata var. fastigiata D. Taylor 1951-3-23 19 Riverside N of Blythe along Colorado River, Maria Mt Rang. 335 Comment
  SBBG37476  Plantago ovata var. fastigiata R. N. Muller 1967-4-8 Riverside ca. 2 mi W of St Hwy 62 on Mission Crk Rd, 4.7 mi N of jct between US Hwy 60 and St Hwy 62 579 Comment
  UC1929304  Plantago patagonica Scott D. White 2008-4-28 11915 Riverside San Gorgonio Pass; Banning, S of I-10 freeway and just N of San Jacinto Mountains toeslope. E of Sunset Ave. Comment
  UC845549  Platanthera I. W. Clokey and E. G. Anderson 1935-8-21 6561 Riverside Fuller Creek 1500 Comment
  UC845486  Platanthera leucostachys I. W. Clokey and E. G. Anderson 1935-8-21 6561 Riverside Fuller's Creek 1500 Comment
  JEPS98073  Platanus racemosa D. Wilken with E. Painter 2000-11-4 15871 Riverside Chico Canyon, near end of road to Tramway base San Jacinto Mountains 900 Comment
  PASA1624  Platystemon californicus Frank W. Peirson 1922-4-29 Riverside Field south of Lake Elsinore 377 Comment
  RSA445709  Platystemon californicus G. R. Johnstone 1934-3-27 18575 Riverside Near Wildomar. Inland route to Temecula. Comment
  UCR160324  Plectritis ciliosa subsp. insignis Steve Boyd, Orlando Mistretta 1992-4-22 6996 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  CDA32628  Pleuraphis rigida G. D. Barbe, J. L. Johnson 1982-11-2 4016 Riverside 1.3 miles south of Wiley s Well, 0.7 mile north of Coon Hollow Campground. 0 Comment
  RSA795232  Pleuraphis rigida Justin M. Wood, Dustin M. Ray 2010-10-1 2771 Riverside Sonoran Desert: Chuckwalla Valley northwest of Victory Pass on east side of Kaiser Road +/-1 mile north of Desert Center Landfill at proposed Eagle Mountain Solar Site. 205 Comment
  POM41778  Pleurocoronis pluriseta Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  RSA472092  Pleurocoronis pluriseta W. Hutchinson 1921-4-1 s.n. Riverside Palm Springs. Comment
  RSA562114  Poa annua Steve Boyd 1992-4-14 6792 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  UCR6673  Poa bulbosa E. W. Lathrop 1967-1 5661 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, Santa Ana Mtns, Tenaja Ranger Station Comment
  SJSU11304  Poa secunda subsp. juncifolia S. H. Casey 1981-4-15 1197 Riverside Jumbo Rocks, Joshua Tree National Monument Comment
  CAS-BOT-BC242998  Poa secunda subsp. secunda H. M. Hall 1900-6-1 1439 Riverside Lytle Creek Canyon, San Antonio Mountains 1752 Comment
  JOTR30951  Poa secunda subsp. secunda La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1926 Riverside Joshua Tree National Park. (Stop 3) Hexie Mountains, slopes above Blue Cut Gorge Comment
  UCD91749  Poa wheeleri Collector Unknown 1895-7-9 s.n. Riverside San Jacinto Mountains. 2590 Comment
  UCR14558  Polycarpon tetraphyllum W. H. Evart 1974-7-3 s.n. Riverside Riverside, 2085 Loma Vista St. [West of Chicago Ave. & north of University Ave.] Comment
  SD126503  Polygala cornuta var. fishiae Tom Wendt, E. Lott 1975-6-30 1054 Riverside Santa Ana Mountains, Cleveland National Forest, 2 miles north of entrance to upper San Juan Campground, ca. 0.1 mile east of the Orange County line along Rte. 74 in San Juan Canyon 427 Comment
  UCR111579  Polygonum aviculare Mitch Provance 1999-1-23 1743 Riverside Jurupa Mountains, Along roadside at corner of Crestmore Rd. and Rubidoux Blvd. 262 Comment
  UCR7830  Polypodium californicum Dennis Vander Ven 1968-5-19 s.n. Riverside Peninsular Range, c. 7 mi west of Murrieta on Guava St., 40 yards before road crosses creek for first time from the east(concrete crossing). south side of road on cliff wall 274 Comment
  UCD91347  Polypogon monspeliensis E. W. Lathrop 1964-9-13 5417 Riverside 8 miles west of Murrieta. Loma Linda University Herbarium. 548 Comment
  UCR167199  Polypogon monspeliensis 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
  SEINET3244163  Polypogon viridis A. C. Sanders, Mark Elvin 2002-1 25224 Riverside NE end of Santa Susana Mtns.: Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river. 290 Comment
Read comments
Jul 29 2013
  CAS-BOT-BC102597  Populus fremontii S. B. Parish 1916-5-13 10841 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  POM360760  Populus fremontii M. V. Hood 1945-3-25 s.n. Riverside Aguanga. 588 Comment
  UCR58853  Populus fremontii Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3219 Riverside Peninsular Range, Vail Lake area at N end of Kolb Creek, near campground 457 Comment
  RSA0030758  Populus fremontii Ivan Johnston 1917-4-4 s.n. Riverside Palm Canyon. 457 Comment
  RSA0036073  Populus fremontii Norman C. Cooper 1943-10-9 962 Riverside Hemet. 304 Comment
  CAS-BOT-BC356163  Porophyllum gracile John Thomas Howell 1928-1-30 3316 Riverside On road from Cottonwood Springs to Pinto Basin, near s. side of Pinto Basin, Colorado Desert Comment
  LA203859  Porophyllum gracile Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9537 Riverside Cottonwood Mountains, 2 mi. from Cottonwood Springs Comment
  SDSU13924  Porophyllum gracile Michael G. Simpson 2000-5-13 2118 Riverside Santa Margarita Ecological Reserve, ca. 100 feet from Northside field station. 366 Comment
  UCR94922  Portulaca oleracea Scott D. White 1996-9-22 4534 Riverside Perris Basin, Perris: Nuevo Road, just east of San Jacinto River crossing 435 Comment
  CAS-BOT-BC267209  Potamogeton foliosus Thorne; E. Lathrop 1969-6-6 39343 Riverside Santa Rosa Plateau: Rancho California 609 Comment
  RSA286796  Potamogeton foliosus Robert F. Thorne 1974-5-23 44659 Riverside Santa Rosa Plateau, Rancho California; near junction of Tenaja Road and road to ranch headquarters. 610 Comment
  UC432  Potamogeton foliosus A. J. McClatchie 1892-6-5 41 Riverside near Elsinore; Salt Lake Comment
  UCR35169  Potentilla glandulosa subsp. reflexa L. B. Ziegler 1968-6-13 314 Riverside Peninsular Ranges, San Jacinto Mtns: Hemet (Garner) Valley region, upper Herkey Creek area, beyond May Valley 1616 Comment
  UCR201655  Potentilla gracilis var. elmeri Scott D. White, Justin M. Wood 2008-5-15 12005 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  UCR278853  Proboscidea louisianica Mitch Provance 2012-7-14 712- 24 Riverside San Gorgonio Pass, Banning, Smith Creek and adjacent alluvial terraces, north of Old Idyllwild Rd., and west of Hwy. 243. 689 Comment
  CSUSB1139  Prosopis glandulosa K. A. Lamb 1968-4-21 680421 2 Riverside 1 mile east of Mecca, Highway 195. Roadside, Alkali Sink. Comment
  CAS-BOT-BC206994  Prosopis glandulosa var. torreyana S. B. Parish 1916-5-12 10865 Riverside Mecca, Colorado Desert 60 Comment
  POM296515A  Prunus fasciculata Lyman D. Benson 1954-5-2 15277 Riverside Hidden Valley Camp, Joshua Tree National Monument. Mojave Desert Drainage Area. 1341 Comment
  CAS-BOT-BC151115  Prunus fremontii Philip A. Munz 1937-5-30 15133 Riverside Dos Palmos Spring, north end of Santa Rosa Mts. 1097 Comment
  RSA453237  Prunus fremontii F. W. Peirson 1922-12-7 s.n. Riverside Andreas Canyon. 610 Comment
  POM49853  Prunus ilicifolia Philip A. Munz, I. M. Johnston 1924-7-29 8875 Riverside Above Poppet Flat, San Jacinto Mts. 1220 Comment
  UCR214681  Prunus ilicifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37672 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, N of Temescal Canyon Rd. and NW of Concordia Ranch Rd., NW of horse racing track 366 Comment
  UCR35159  Prunus virginiana var. demissa L. B. Ziegler 1972-5-5 451 Riverside San Jacinto Mtns., Hemet (Garner) Valley area in Apple Canyon (east of the Hemet Lake.) 1448 Comment
  CAS-BOT-BC356351  Psathyrotes ramosissima M. Bourell; R. Patterson 1987-4-14 3273 Riverside Spur N of Box Canyon Hwy 195, BLM Conservation Area 150 Comment
  UCR279561  Psathyrotes ramosissima A. C. Sanders, Jim Malusa 2017-3-29 43169 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, Canyon Spring wash c. 400 m above confluence with Salt Creek 344 Comment
  RSA614133  Pseudognaphalium biolettii D. L. Banks 1997-2-23 1300 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
  UCD135038  Pseudognaphalium biolettii Steve Boyd; Tim Ross, Laurel Arnseth 1989-4-1 3189 Riverside Vail Lake area, head of Temecula Creek Canyon at the dam. 426 Comment
  UCD135049  Pseudognaphalium biolettii John Roos 1947-3-21 3372 Riverside Plateau', Reche Canyon. Comment
  UCR37249  Pseudognaphalium biolettii R. A. Fawcett 1936-3-8 s.n. Riverside Peninsular Range, Glen Ivy, Temescal Canyon Comment
  CAS-BOT-BC356664  Pseudognaphalium californicum Carl B. Wolf 1936-6-17 7952 Riverside Santa Ana Mts., along Ortega Highway, San Juan Canyon, 5/10 mi. E. of Orange Co. line 365 Comment
  JOTR35159  Pseudognaphalium canescens Harding, Mitzi, T. Herskovits 2011-9-14 158 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1304 Comment
  UCR281562  Pseudognaphalium canescens subsp. microcephalum Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-6-5 617- 83 Riverside Temescal Valley, Mayhew Wash, S side of Temescal Canyon Rd. at intersection with Temescal Hills Rd. 309 Comment
  UC62971  Pseudognaphalium thermale H. M. Hall 1897-8-1 835 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley 1615 Comment
  UCR241408  Psilocarphus brevissimus T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7444 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  UCR281126  Psilocarphus brevissimus Mitch Provance, John Hazlett, Matt K. Beyers 2017-4-19 417- 50 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  UC217949  Psilocarphus brevissimus var. brevissimus P. A. Munz 1922-4-29 5065 Riverside 0.50 mi s Lake Elsinore Comment
  UCR89227  Psilocarphus brevissimus var. brevissimus Scott D. White 1995-9-22 3677 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  CAS-BOT-BC346355  Psorothamnus W. R. Dudley 1903-12-28 s.n. Riverside Palm Springs Station Comment
  CAS-BOT-BC353576  Psorothamnus arborescens var. simplicifolius David Dreyer 1968-4-9 s.n. Riverside 3 miles north of Desert Hot Springs 60 Comment
  UCR178535  Psorothamnus arborescens var. simplicifolius R. G. Swinney 1967-5-26 141 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  CAS-BOT-BC353627  Psorothamnus emoryi B. D. Stark 1930-4-2 784 Riverside West of Indio 0 Comment
  CAS-BOT-BC353632  Psorothamnus emoryi Lewis S. Rose 1959-1-9 59005 Riverside Palm Desert 30 Comment
  CAS-BOT-BC353638  Psorothamnus emoryi E. A. McGregor 1917-3-18 702 Riverside 5 miles up Painted Canyon Comment
  RSA450120  Psorothamnus emoryi J. C. Roos 1966-5-2 s.n. Riverside Palm Springs. Comment
  CDA27789  Psorothamnus schottii G. D. Barbe 1978-5-2 2366 Riverside 19.2 miles west of Cottonwood Springs Road, 4 miles west of Roadside Rest Area, eastbound lanes I-10 east of Indio. 0 Comment
  JOTR33992  Psorothamnus schottii La Doux, Tasha, M. Harding 2010-4-7 2880 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  SD229163  Psorothamnus schottii Dick Schwenkmeyer 2012-11-6 856 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
  CAS-BOT-BC340913  Psorothamnus schottii Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio Comment
  UC154566  Psorothamnus spinosus Rensselaer J. Smith May 1904 Riverside White Water 396 Comment
  RSA91439  Psorothamnus spinosus F. W. Peirson 1921-4-13 568 Riverside Deep Canyon Wash, about 12 miles SE of Palm Springs. 152 Comment
  UCR16719  Pteridium aquilinum Dave Baasch 1972-5-11 720511- 01 Riverside San Jacinto Mtns, just above Lake Fulmor near Idyllwild 1646 Comment
  RSA262103  Pterostegia drymarioides E. W. Lathrop 1969-5-8 7012 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA543741  Pterostegia drymarioides Steve Boyd, Tim S. Ross, Mike Hammit 1991-5-2 6035 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
  RSA586318  Pterostegia drymarioides D. L. Banks, S. D. Boyd 1995-5-3 229 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UC466078  Pterostegia drymarioides Fred M. Reed 1908-3-15 2273 Riverside Box Spring Mts., Pigeon Pass Comment
  UCR155325  Pterostegia drymarioides A. C. Sanders, Mike Misenhelter 2005-3-23 29257 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR250559  Pterostegia drymarioides A. C. Sanders 2014-4-9 41000 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
  UCR35104  Pyrola aphylla L. B. Ziegler 1966-6-28 071 Riverside San Jacinto Mountains, North Fork of the San Jacinto River (Dark Canyon), above Idyllwild-Banning Road 1677 Comment
  UCD170875  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end. 716 Comment
  RSA79038  Quercus X acutidens E. K. Balls, P. C. Everett 1952-11-18 18256 Riverside Vandeventer Flats, s.e. end of San jacinto Mts., 1402 Comment
  SEINET10677907  Quercus X acutidens Greg Gust, Leith Nye 2005-3-11 Gust 541 Riverside Lake Elsinore City Limits. Hwy 74 ca. 1 mile W of Lake Elsinore on hill slope pullout river basin. 481 Comment
  UCR15350  Quercus X munzii Richard Minnich 1976-4-25 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument [now Park], Live Oak Tank 1311 Comment
  UCR158954  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31548 Riverside San Jacinto Mtns., east of Vandeventer Flat along Hwy 74, 0.8 mi. west of Santa Rosa Mtn. Rd. 1311 Comment
  UCR163407  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 05- 594 Riverside San Bernardino National Forest: San Jacinto Mountains, 0.7 miles west of Santa Rosa Mountain Rd on SR 74 near Vandeventer Flat 1369 Comment
  RSA0039065  Quercus berberidifolia Jeremiah George 2012-8-8 080812 -1 Riverside San Timoteo Canyon, south of El Casco So. Calif. Edison substation, west side of San Timoteo Creek, west of dirt SCE line access road 655 Comment
  UCR264643  Quercus berberidifolia Mitch Provance 2012-4-27 412- 20 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  UCR265837  Quercus berberidifolia Mitch Provance 2012-5-24 512- 20 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  RSA0124382  Quercus chrysolepis Duncan S. Bell 2016-4-16 9336 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UCR26358  Quercus chrysolepis A. C. Sanders, J. A. Harpel 1981-8-26 2330 Riverside Santa Rosa Mtns., Virgin Spring 2348 Comment
  JOTR34174  Quercus cornelius-mulleri Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 135 Riverside Joshua Tree National Park. Little San Bernardino Mountains; side canyon of Pushawalla Canyon; Steep rocky/gravelly drainage near elevated seep, and steep gravelly hills surrounding it (Stop 4) 1371 Comment
  UC219231  Quercus cornelius-mulleri P. A. Munz, D. Keck 1922-5-7 5259 Riverside Keyes Ranch Little San Bernardino Mts. 1066 Comment
  UCD63677  Quercus cornelius-mulleri Daniel Sanchez-Mata; Salvador Rivas-Martinez 2008-6-6 s.n. Riverside Joshua Tree. Joshua Tree National Park. Ryan campground close to California Riding and Hiking Trail. 1430 Comment
  RSA654804  Quercus palmeri A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22293 Riverside San Jacinto Mtns: W side of Burnt Valley along Burnt Valley Road. 413 Comment
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Jul 27 2009
  UCD47107  Quercus palmeri Rudolph Fischer 1965-10-8 1 Riverside East foothills of Thomas Mountain, Santa Rosa range, State Highway 74, ca. 10 miles south of keen Camp, Riverside County, California. 1341 Comment
  JOTR31984  Rafinesquia californica La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2219 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; bouldery canyon with sandy wash bottom 731 Comment
  RSA0124373  Rafinesquia neomexicana Duncan S. Bell, LeRoy Gross 2016-3-31 9197 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 591 Comment
  RSA605191  Rafinesquia neomexicana A. C. Sanders, K. Rose, D. Woodard 1995-3-15 16135 Riverside Coachella Valley, mouth of San gorgonio Pass, along Whitewater River wash between Windy Point and I-10. 329 Comment
  POM13200  Ranunculus aquatilis var. capillaceus P. A. Munz, I. M. Johnston 1922-5-21 5522 Riverside Garner Ranch, Hemet Valley Comment
  UC1260165  Ranunculus aquatilis var. capillaceus Robert F. Thorne 1974-5-23 44679 Riverside e Redondo Mesa; Santa Rosa Plateau, Rancho California 609 Comment
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Aug 19 2010
  UC827690  Ranunculus cymbalaria var. saximontanus I. W. Clokey and E. G. Anderson 1935-8-21 6627 Riverside Hemet 1030 Comment
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Mar 24 2011
  RSA741014  Ranunculus sceleratus Scott D. White, Justin M. Wood 2008-6-18 12231 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  UCR86019  Ranunculus sceleratus Scott D. White, Megan Phillips 1992-4-29 s.n. Riverside San Jacinto Valley, large area on San Jacinto Reservior on N and E sides, east of Sanderson Street, and SW of Ramona Expressway Comment
  RSA544415  Rhamnus crocea Steve Boyd, Tim S. Ross 1991-6-14 6383 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  UCR94264  Rhamnus crocea Scott D. White 1996-4-14 3918 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
  CAS-BOT-BC56046  Rhamnus ilicifolia Carl B. Wolf 1932-5-25 3688 Riverside Gilman Ranch in the foothills No. of Banning 853 Comment
  SDSU13625  Rhamnus ilicifolia W. Miller with C. Mosse 1972-7-12 Riverside Comment
  UCR101449  Rhamnus ilicifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22226 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon 671 Comment
  SD128327  Rhododendron occidentale R. Mitchel Beauchamp 1971-5-15 2410 Riverside Black Mountain Campground, San Jacinto Mountains. 2207 Comment
  POM12748  Rhododendron occidentale var. californicum P. A. Munz 1922-7-6 6029 Riverside San Jacinto Mountains: north fork of Tahquitz Creek. 2226 Comment
  RSA105377  Rhododendron occidentale var. paludosum G. D. Barbe 1955-7-5 114 Riverside 12 mi south of Etna on French Creek Rd. where the road crosses the creek. 1098 Comment
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Jul 23 2013
  OBI29875  Rhus ovata Melissa Luckow, Rhonda Riggins 1982-4-15 826 Riverside Hwy 371, 3.6 mi N jctn with Hwy 79 in Aguanga Comment
  SD71843  Rhus ovata Helen V. Witham 1969-7-2 213 Riverside Sandia Creek, on road from DeLuz to Murietta. 299 Comment
  UCR117700  Rhus ovata Mitch Provance 1998-6-6 688 B Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  SEINET3080843 Image available Rhus trilobata var. anisophylla Howard Scott Gentry 1948-1 8175 Riverside Gentry Farm, ca. 3 miles NE of Murrieta. Comment
  RSA291592  Rhus trilobata var. pilosissima C. W. Tilforth, Walter Wisura 1979-4-11 1767 Riverside East end of Murrieta-DeLuz Rd, ca. 2 air mi. south of Murrieta. 335 Comment
  SD2907  Rhus trilobata var. pilosissima Fidella G. Woodcock May 1922 Riverside Banning Comment
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Mar 13 2011
  CAS-BOT-BC93062  Ribes californicum var. hesperium B. D. Stark 1930-2-21 1470 Riverside Hidden Canyon near Corona. Santa Ana Mountains. Comment
  CAS-BOT-BC108723  Ribes cereum S. B. Parish; W. F. Parish 1880-8-1 494 Riverside San Jacinto Mountains. 2438 Comment
  SEINET959435  Ribes cereum A. C. Sanders 2006-1 32826 Riverside Schell Creek Range: Canyon c. 0.7 mi. above Rosebud Spring, c. 0.5 mile SW of VABM Connor ( 2633m), 2.5 miles SSW of Hwy 50/93. 2400 Comment
  POM294431  Ribes indecorum Lyman Benson, Robert Benson 1952-3-23 14840 Riverside Northeast of Santa Rosa peak, Pines to palms Hwy, view point for Jacinto Mt. Colorado desert. 1159 Comment
  RSA518453  Ribes indecorum C. W. Tilforth 1977-3-6 1268 Riverside 0.3 miles E of El Cariso Forest Station, W of Lake Elsinore, Hgwy 74 & Forestry Rd. 6S06. Comment
  RSA604868  Ribes indecorum Scott D. White 1995-12-24 3800 Riverside Lakeview Mts. About 7 road miles SE of Davis Rd./Ramona Expwy. intersection. 671 Comment
  SBBG104048  Ribes indecorum S. D. White 1992-3-29 92 -55 Riverside Millard cyn, slope below fork with E Millard Cyn Rd Comment
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Sep 8 2014
  RSA0088969  Ricinus communis R. G. Swinney 1967-5-26 11741 Riverside Snow Creek. 335 Comment
  UCR107768  Robinia pseudoacacia D. L. Banks, E. H. Banks, Dawn Rodriguez, Edward Rodriguez 1997-6-20 2169 Riverside NW Palomar Mtns., Agua Tibia Mountains, west of Vail Lake at the intersection of Pauba Road and Los Caballos Road 372 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
  UC50167  Romneya coulteri H. M. Hall 1899-7-4 1280 Riverside below Corona; Santa Ana River Comment
  CSUSB1441  Rorippa nasturtium-aquaticum R. Sayre 1972-5-20 S.N. Riverside Santa Ana River Santa Ana River, Riverside, Jurupa Ave Comment
  RSA741187  Rosa californica Scott D. White, Justin M. Wood 2008-6-16 12121 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  CAS-BOT-BC147177  Rubus parviflorus H. E. McMinn 1925-7-2 1506 Riverside Tahquitz Trail - Mt. San Jacinto from [Idylwild] Idyllwild Comment
  POM122727  Rubus ursinus Marcus E. Jones 1925-3-13 s.n. Riverside Santa Ana Canyon. Comment
  RSA526162  Rubus ursinus Steve D. Boyd, Tim S. Ross 1990-5-11 4665 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  SDSU12267  Rubus ursinus Jeremy Mass, Ryan Jacobsen 2000-4-19 14 Riverside Along road near edge of Stone Creek close to Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 222 Comment
  RSA0085062  Rumex crispus Mary Duke, Christy Hightower, Cecilia McElroy 1982-5-15 11 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. 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
  SD73632  Rumex hymenosepalus Helen V. Witham 1970-5-1 852 Riverside Sandy wash, southeast of Hemet 800 Comment
  UCSB10612  Rumex hymenosepalus Gill, Robert 1960-3-23 Riverside About 1 mile up Snow Canyon from road to Palm Springs; San Jacinto Mts. 396 Comment
  UCR154377  Rumex salicifolius A. C. Sanders, Mike Misenhelter 2005-6-15 30955 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
  RSA701781  Rumex violascens A. C. Sanders, K. C. Rose 1999-6-18 22829 Riverside Domenigoni Valley: upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester. 433 Comment
  UCR47289  Salicornia subterminalis Karin Cleary 1987-5-21 56 Riverside Lakeview: flats around Ellis Avenue, 1 - 1.4 km north of the intersection of Ellis Ave. and Menifee Road. 433 Comment
  RSA659609  Salix exigua J. C. Roos 1947-2-15 3244 Riverside Lost Palms Canyon. Comment
  SBBG58879  Salix exigua F. R. Fosberg 1932-3-31 8077 Riverside Thousand Palms Cyn Comment
  UC498787  Salix exigua Mrs. H. P. Bracelin 1932-4-12 603 Riverside 4.8 km. n Arlington (on rd. to Pedley, w of Riverside, e side of bridge over Santa Ana R.) 240 Comment
  UC846449  Salix exigua var. hindsiana P. A. Munz and I. M. Johnston 1922-5-7 5270 Riverside Keyes Ranch along small stream Keyes Ranch; Little San Bernardino Mts. 1066 Comment
  CAS-BOT-BC108115  Salix gooddingii Carl Epling; Joseph Ewan 1933-5-12 7606 Riverside South shore Lake Elsinore Comment
  CAS-BOT-BC108150  Salix gooddingii Philip A. Munz 1932-3-24 12032 Riverside Along small stream, north of Elsinore. 304 Comment
  RSA18197  Salix gooddingii Carl B. Wolf 1929-5-31 3739 Riverside 1 mi. NW of Santa Ana River on Corona-Chino road. Comment
  RSA715295  Salix laevigata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32676 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., near stream crossing of dirt road. 549 Comment
  SEINET242059  Salix laevigata A. C. Sanders, T. B. Salvato 2001-3-30 23857 Riverside Perris-Aguanga Basin region: Temecula, Long Canyn W of Del Rey Rd, along bottom of canyn W of junxn of Av. Pina Colada 366 Comment
  SEINET272290  Salix laevigata A. C. Sanders, G. Helmkamp 1997-3-15 19968 Riverside Lake Skinner area: lower Rawson Canyon along the dirt road toward Bachelor Mtn. UTM 10km cell: MH-9E 1N Skinner Reser 457 Comment
  UC717265  Salix laevigata W. A. Setchell and Victor Duran 1935-4-17 8 a Riverside 14 mi from Hemet (on way to Aguanga) 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
  CSUSB807  Salix lasiolepis P. A. Rauch 1966-4-5 Riverside One mile north of Idyllwild on Highway at Bear Trap Canyon Crossing. 1755 Comment
  POM319095  Salix lasiolepis Patricia Wilder 1971-3-20 4900 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  UC1135025  Salix lasiolepis A. Lewis 1934-2-1 4317 Riverside 2 1/2 mi ne Auburndale; Corona Quadrangle Comment
  UCR198266  Salsola australis B. Villegas 2002-8-19 239 -2 Riverside South Coast, Temecula, Hunter property, Via Vaquero at Gillespie Court Comment
  RSA424901B  Saltugilia australis N. M. Fellows, A. C. Sanders 1985-4-9 134 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mi west of Snow Creek Village. 489 Comment
  CAS-BOT-BC232920  Saltugilia latimeri Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mount San Jacinto Comment
  RSA469684  Saltugilia splendens Christopher Davidson 1975-6-16 2813 Riverside 5.4 miles N of Alandale Station on road R1 from Idyllwild to Banning. 1652 Comment
  SEINET2065984 Image available Salvia apiana Marc Mittleman 1982-5-25 Riverside Gentry Exp. Farm, Los Alamos Rd. Murietta 365 Comment
  SEINET9361149  Salvia apiana Unknown 2010-4-12 4756 Riverside Herbarium of rancho Santa Ana Botanic Garden/San Bernardino Mountains Region Comment
  UCR194212  Salvia apiana Scott D. White, Angelia Carey 2004-6-4 11464 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR252524  Salvia apiana J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  UCR90393  Salvia apiana D. L. Banks, Steve Boyd 1995-5-9 0349 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. 793 Comment
  POM305596  Salvia columbariae Henry J. Ramsey, Henry J. Ramsey 1937-3-2 886 Riverside Indio. Comment
  RSA401471  Salvia columbariae N. C. Cooper 1944-3-25 1005 Riverside Morongo Pass. 457 Comment
  RSA774716  Salvia columbariae Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4520 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  SEINET1004378  Salvia columbariae T. B. Salvato, Kent Beaman 2005-1 850 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundry and N of Ca hwy 74. 549 Comment
  SEINET7063422  Salvia columbariae A. G. Vestal 1947-3-29 s.n. Riverside East of Lake Elsinore along Railroad Canyon. UTM Zone 11, 473626mE, 3725052mN. (WGS84/NAD83). 411 Comment
  UCR183012  Salvia columbariae Mitch Provance 2003-5-5 4419 B Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR27197  Salvia columbariae Marlyce Myers 1980-4-28 s.n. Riverside Perris Basin, Motte Reserve, 2.5 mi. NW of Perris 518 Comment
  UCSB39326  Salvia columbariae Jorgensen, Jan 1982-3-21 Riverside South entrance to Joshua Tree National Monument 600 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
  UC104485  Salvia eremostachya H. M. Hall 1902-4-12 2856 Riverside Coyote Canyon Western Borders of the Colorado Desert 914 Comment
  UCR18500  Salvia eremostachya Frank C. Vasek, O. F. Clarke 1966-4-4 s.n. Riverside Santa Rosa Mtns, Hwy 74 at Royal Carrizo Road, Deep Canyon drainage 917 Comment
  CAS-BOT-BC229986  Salvia mellifera Jennifer H. Jones 2006-6-6 384 Riverside Peninsular Ranges; Santa Ana Mtns.: Cleveland National Forest along CA Hwy 74; San Juan Loop Trail head 598 Comment
  RSA228830  Salvia mellifera Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 587 Riverside Cleveland National Forest. 5 mi. south of Lake Elsinore along Forest Route 7S04. Comment
  RSA601078  Salvia mellifera A. C. Sanders, J. Goetzen 1996-5-1 18132 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk., N of Banning. [UTM 10 km cell: NH-1E, 5N. Banning.] 792 Comment
  SEINET11587887  Salvia mellifera T. Salvato, Marcs, Rari 2016-4-26 8358 Riverside Santa Ana Mountains Comment
  UCLA69967  Salvia mellifera unknown 1905-5-15 828 Riverside Wilder's Canyon 320 Comment
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Feb 3 2013
  CLARK-A1528-1326  Salvia mohavensis John C. Roos 1947-11-1 3753 Riverside Lost Palms Canyon Comment
  UCLA54125  Salvia mohavensis C. Epling and H. Lewis 1942-6-17 Riverside Keys View; Joshua Tree National Monument Comment
  RSA434172  Salvia pachyphylla Christopher Davidson 1978-6-15 7382 Riverside Santa Rosa Mts. Road from Hwy 74 to Sta Rosa Mt., ca. 2 mi W of junction to Sta Rosa Spgs Campground. 2088 Comment
  CAS-BOT-BC233347  Salvia vaseyi Philip A. Munz 1937-5-29 15146 Riverside Dead Indian Creek, north base of Santa Rosa Mts. 457 Comment
  JOTR29386  Salvia vaseyi La Doux, Tasha, Mike Bell 2006-5-10 1463 Riverside Joshua Tree National Park. East Deception Canyon Comment
  RSA356612  Salvia vaseyi Robert F. Thorne 1966-10-15 41806 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  UCSB63394  Salvia vaseyi Sanders, A. 1995-4-27 Riverside Coachella Valley; foot of the Little San Bernardino Mtns; canyon E of Fan Hill; just outside Joshua Tree Nat. Park; T3S, R7E, S/2 sec. 27 550 Comment
  JEPS12744  Sambucus mexicana Carl V. Meyer 1928-7-26 526 Riverside Roach Sawmill San Jacinto Mountains 2072 Comment
  POM46853  Samolus parviflorus H. M. Hall 1904-5-24 4955 Riverside Riverside along Spring Brook. Comment
  SDSU17499  Sanicula arguta Jerry Jenkins 2001-4-1 2001 -022 Riverside Santa Margarita Ecological Reserve. High saddle on road to Tourmaline mine, UTM zone 6, 482500E, 3699900N. UTM transfered to GIS. Comment
  SEINET13945117 Image available Sanicula arguta A. C. Sanders 2001-1 24144 Riverside Santa Ana Mtns. Region: W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro, E side of Rancho C. Rd. 488 Comment
  RSA583613  Sanicula crassicaulis Steve Boyd, Darin Banks 1995-3-30 8410 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  UCR33583  Sarcostemma cynanchoides Faulkner 1978-4-27 506 Riverside Eastern Colorado Desert, 22 mi NW of Blythe, north and west of Midland 306 Comment
  JOTR29559  Sarcostemma hirtellum Andre, Jim, Tasha LaDoux 2006-4-11 6733 Riverside Joshua Tree National Park. Along Pinto Basin Rd (paved) in Wilson Canyon 857 Comment
  UCR180386  Sarcostemma hirtellum Scott D. White, Andrea Warniment (Edwards) 2006-3-29 11276 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway / McNaughton Parkway interchage, north of the I-10 Freeway 152 Comment
  UCR102855  Saxifraga californica A. C. Sanders 1997-4-3 20159 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  RSA650260  Schinus molle W. H. Grady 1948-5-18 s.n. Riverside Found in Riverside, growing in Fairmont Park. 259 Comment
  SEINET229294 Image available Schismus barbatus L. M. Shultz, JS Shultz 1985-4-18 8321 Riverside Chuckawalla Mountains at Corn Springs 518 Comment
  SJSU1758  Schismus barbatus G. B. Youngberg 1956-3-30 220 Riverside among hills near La Sierra College, Arlington 228 Comment
  SDSU13637  Schoenoplectus americanus W. Miller, C. Mosse 1972-7-11 Riverside Comment
  RSA800233  Schoenoplectus maritimus Justin M. Wood 2010-6-17 2049 Riverside Perris Basin: March ARB, roadside ditch south of Cactus Ave. and west of Heacock St. 473 Comment
  UC279706  Scirpus maritimus Edmund C. Jaeger 1925-5-18 Riverside Temecula Comment
  RSA543180  Scrophularia californica subsp. floribunda Steve D. Boyd, Tim S. Ross, Mike Hammit 1991-5-2 6119 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
  RSA0036810  Scrophularia californica subsp. floribunda Bob Rogers 1984-4-28 25 Riverside Adjacent to and on the south side of Highway 74, 3.6 miles from Strawberry Creek going towards Mountain Center. 1219 Comment
  RSA0026266  Scutellaria bolanderi subsp. austromontana Fred M. Roberts 2013-6-7 7782 Riverside Peninsular Ranges: Santa Ana Mtns.: Tributary to Upper San Juan Canyon near Chiquito Basin Trail, 1.7 kilometers NNW Upper San Juan Campground. 536 Comment
  UCSB10512  Scutellaria mexicana Haller, Norman 1953-5-24 Riverside 11 miles So. of Palm Springs; Indio Rd; Palms to Pines Hiwy. 74 914 Comment
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Nov 19 2014
  UCR101100  Scutellaria tuberosa G. R. Ballmer 1998-5-23 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Massinger oak easement, Riverside Land Conservancy, north base of Redonda Mesa, close to Tenaja Rd. 671 Comment
  RSA192258  Selaginella bigelovii Earl W. Lathrop 1960-4-28 4769 b Riverside 14 miles west of Murrieta Comment
  RSA683705  Selaginella bigelovii Mary V. Hood 1945-3-27 s.n. Riverside Verdugo Ranch near Aguanga, Riverside -San Diego Co line. 610 Comment
  RSA683763  Selaginella bigelovii Norman C. Cooper 1947-4-5 2035 Riverside Los Alamos Canyon, Elsinore 762 Comment
  SDSU13828  Selaginella bigelovii W. Miller 1972-8-25 Riverside Comment
  CAS-BOT-BC62093  Selaginella eremophila Larry Kiefer 1963-3-24 485 Riverside Andreas Cyn. 609 Comment
  RSA23190  Selaginella eremophila Ira L. Wiggins 1938-3-25 8925 Riverside Eagle Canyon, 3-5 miles south of Palm Springs. Comment
  CAS-BOT-BC323996  Senecio flaccidus var. douglasii Edmund C. Jaeger 1921-7-15 s.n. Riverside Massacre Canon near San Jacinto. Comment
  RSA0125005  Senecio flaccidus var. douglasii N. Cooper 1949-6-3 4149 Riverside Temecula. 762 Comment
  UC667290  Senecio flaccidus var. monoensis Annie M. Alexander and Louise Kellogg 1941-5-9 2142 Riverside along road on plateau n Cottonwood Spring; Colorado Desert, Eagle Mountains, Cottonwood Spring 883 Comment
  HSC82846  Sesbania exaltata A. C. Sanders 1985-8-24 5950 Riverside Near Oasis, Hwy 195, ca. 1/2 mi. N of intersection with Hwy. 186 -52 Comment
  UC574994  Sesuvium verrucosum C. Epling, J. Ewan June, 1933 Riverside s shore of Lake Elsinore Comment
  UCR84473  Sesuvium verrucosum Steve Boyd, D. Banks 1994-9-29 8372 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  UCR81547  Sherardia arvensis A. C. Sanders 1994-6-6 14696 Riverside City of Riverside, Mt Vernon Ave. at the RR tracks, NE edge of town near the Box Springs Mtns 357 Comment