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

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 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
  SEINET13289891 Image available Abies concolor S. R. Hill, Kramer, K. 2001-1 33472 Riverside San Jacinto Wilderness, west of Palm Springs, trails at terminus of Palm Springs Aerial Tramway Comment
  CAS-BOT-BC229321  Abronia villosa S. B. Parish 1896-4-4 4138 Riverside Palm Springs, (Agua Caliente) desert base of San Jacinto Mt. 213 Comment
  CAS-BOT-BC229351  Abronia villosa Milo S. Baker 1928-4-5 2848 b Riverside Palm Springs Comment
  POM123197  Abronia villosa Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  SFV1119  Abronia villosa P. G. Kilburn 1959-5-16 797 Riverside Colorado Desert Agua Caliente Indian Reservation land some 5 miles south of Palm Springs at fork in road where Andreas Road meets Palm Canyon Road. 175 Comment
  RSA0012147  Abronia villosa var. aurita Mark A. Elvin, Julie M. Vanderwier 2002-5-16 2052 Riverside Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  RSA575827  Abronia villosa var. aurita Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of 'Estelle Creek' and Temescal Creek, just northwest of the entrenched meander of Temescal Creek at the western Base of Estelle Mountain. 317 Comment
  UCR263648  Abronia villosa var. villosa David Fraker, Aaron C. Sedgwick 2012-3-22 016 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  RSA248051  Acacia greggii var. arizonica R. F. Thorne, C. W. Tilforth 1973-5-30 43580 Riverside Colorado Desert: Mouth of Morongo Valley at N end of Coachella Valley 549 Comment
Read comments
Apr 24 2011
  CAS-BOT-BC30909  Acamptopappus sphaerocephalus E. C. Jaeger s.n. Riverside Whitewater Comment
  RSA1333  Acer macrophyllum B. D. Stark 1930-2-21 1474 Riverside Hidden Canyon, near Corona, Santa Ana Mts. Comment
  IRVC29259  Acer rubrum A. C. Sanders, T. B. Salvato 2003-4-3 25831 Riverside Riverside, UCR campus, between East Campus Drve and Parking Lot 10 San Bernardino Valley/Upper Santa Ana River 335 Comment
  CAS-BOT-BC174017  Achnatherum coronatum A. C. Sanders; T. B. Salvato; Kelly Volansky 2006-5-28 32649 Riverside 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
  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
  POM365982  Achnatherum hymenoides N. C. Cooper 1945-3-24 1615 Riverside Cabazon. 457 Comment
  UC472731  Achnatherum hymenoides Mary F. Spencer 1918-3-27 829 Riverside Palm Springs Colorado Desert (near irrigating ditch) 100 Comment
  RSA487443  Achnatherum speciosum Jack Easton 1988-5-2 s.n. Riverside Anza area., Near 116d 45' W, 33d 29'N 1189 Comment
  JOTR00871  Achnatherum speciosum Sipe, Frank 1958-3-9 234 Riverside Joshua Tree National Park. HIDDEN VALLEY 1249 Comment
  CHSC210  Achyronychia cooperi E. Thomas 1940-3-3 Riverside Along shore of Salton Sea. Comment
  CLARK-A1528-914  Achyronychia cooperi Charlotte Stocks 1963-3-31 Riverside Coachella Comment
  UCD97895  Achyronychia cooperi Herbert L. Mason 1928-3-10 4177 Riverside Whitewater River. Comment
  UCD103974  Acmispon argophyllus Gordon Pilone 1961-3-1 92 Riverside White Water Canyon, 1/2 mile below Fish Hatchery. 457 Comment
  CAS-BOT-BC204875  Acmispon argyraeus var. argyraeus H. M. Hall 1901-6-1 2140 Riverside San Jacinto Mountains. Santa Rosa Mountain. Dry hillsides of Coyote Canyon 1524 Comment
  SD167121  Acmispon brachycarpus A. C. Sanders, T. B. Salvato 2005-4-28 29763 Riverside Gavilan Hills, north of Santa Rosa Road, 1.0 mile southwest of Ida Leona Mine. 625 Comment
  SBBG68085  Acmispon strigosus M. N. Ackley -Feb-1926 543 Riverside near Edom 64 Comment
  SD248413  Acmispon strigosus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41422 Riverside San Gorgonio Pass: San Gorgonio River wash, ca. 3.7 miles east of Cabazon, ca. 1.25 mile NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms. 427 Comment
  SDSU13937  Acmispon strigosus Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2094 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  UC31368  Adenophyllum porophylloides H. M. Hall 1901-6-1 2109 Riverside along the borders, at eastern base of the San Jacinto Mts Colorado Desert; San Jacinto Mountains Comment
  RSA390501  Adenostoma fasciculatum var. fasciculatum M. M. Thompson 1947-6-9 C 2078 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA543202  Adenostoma fasciculatum var. fasciculatum Steve D. Boyd 1991-3-17 5483 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  UC12019  Adenostoma sparsifolium H. M. Hall July 1901 Riverside e. end Tahquitz Valley; San Jacinto Mts. 1828 Comment
  POM13637  Adiantum capillus-veneris E. C. Jaeger 1922-4-15 1037 Riverside Eagle Canyon, 5 miles south-east of Palm Springs. Comment
Read comments
Aug 3 2011
  RSA739778  Agoseris heterophylla A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35652 Riverside May Valley, slopes west of Herkey Creek and north of Bonita Vista Rd., SSW of Fleming Ranch 1524 Comment
  UCD53277  Agrostis scabra Katharine Brandegee Date Unknown s.n. Riverside Sage. (note by georeferencer at UCD: Sage is in Riverside County at ca. 2500 ft. elevation estimated by georeferencer. Other collections by Brandegee from Sage Mill have been placed in Fresno or Madera Counties. This label just says Sage.) 762 Comment
  RSA708056  Ailanthus altissima Scott D. White, Angelia Carey 2004-4-16 10152 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  UCR104623  Alchemilla occidentalis D. E. Bramlet 1991-5-1 2108 Riverside Shipley Multi-Species Reserve, small valley some 2 km south of Crown Valley and 1.3 km east of Rawson Canyon, 167m SE of knoll 2283 ft., on a N facing slope above a blue-line stream 707 Comment
  UCR98068  Alchemilla occidentalis A. C. Sanders 1997-3-1 19733 Riverside Box Springs Mountains, Pigeon Pass, canyon below Regulus Road, 0.6 mi. west of Pigeon Pass Road., 0.4 mi. east of Bench Mark 'Table' (2559 ft). 610 Comment
  UC421609  Allenrolfea occidentalis John Thomas Howell 1928-11-4 4081 Riverside 3 mi. n.w. of Mecca (on rd. to Indio); Coachella Valley Comment
  UCR112110  Allionia incarnata A. C. Sanders, T. B. Salvato 2000-4-21 23343 Riverside Coachella Valley, east side of the Coachella Canal c. 1/4 mi. north of I-10, 3 miles east of Indio 15 Comment
  RSA0048297  Allium burlewii Elwood Fordham 1951-5-25 s.n. Riverside San Jacinto Mtn. 1828 Comment
  RSA574728  Allium haematochiton Steve Boyd 1981-4-6 s.n. Riverside Gavilan Hills region, Estelle Mountain, near summit. 823 Comment
  UCR79363  Allium munzii Steve Boyd 1992-4-18 6905 Riverside Perris-Aguanga Basin region, Paloma Valley, between Sun City and Murrieta, east of Hwy 215; just SW of the junction of Briggs Road and Scott Road 457 Comment
  POM230632  Allium peninsulare var. peninsulare I. W. Clokey, E. G. Anderson 1935-4-16 6550 Riverside East of Hemet. 640 Comment
  UCR117344  Allium praecox Mitch Provance 1998-3-20 250 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville. This area is now known as Southridge 381 Comment
  RSA0112629  Allophyllum A. C. Sanders 2008-7-25 35922 Riverside Peninsular Range; San Jacinto Mtns.: east side of May Valley, NE of Bonita Vista Rd. at foot of hills. Comment
  SD232283  Allophyllum Scott D. White, Michael Honer 2003-6-3 9486 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 334 Comment
  UCR16652  Allophyllum divaricatum Robert Eaton 1968-5-13 680513- 8 Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado, Santa Rosa Road, 6 mi. from Washington Street in Murrieta 610 Comment
  UCR54451  Alnus rhombifolia A. C. Sanders, E. J. Lawlor 1988-10-22 8726 Riverside Santa Rosa Mtns, Pinyon Flats Area, along Horsethief Creek where the trail from the Dolomite Mine Crosses. 1100 Comment
  CLARK-A1528-1389  Amaranthus albus John C. Roos 1937-8-17 1220 Riverside San Jacinto Comment
  JOTR32523  Amaranthus albus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2606 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  POM14623  Amaranthus albus H. Baer 1922-9-10 s.n. Riverside Lee Lake, Temescal canyon Comment
  UCR92341  Amaranthus albus Scott D. White 1995-7-7 3447 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  UCR125907  Amaranthus blitum A. C. Sanders 2002-11-10 25623 Riverside San Bernardino/Santa Ana River Valley Region, Riverside, weed in yard at 422 Campus View Dr. 341 Comment
  CDA23676  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23101 Riverside San Jacinto Mountains; Lake Hemet, north shore at FS day use area Comment
  RSA356654  Amaranthus californicus R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 47308 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  RSA165959  Amaranthus fimbriatus E. R. Blakley 1961-9-12 4715 Riverside Pinyon Flat, Palms to Pines Highway. 1220 Comment
  RSA661034  Amaranthus retroflexus A. C. Sanders, Mitch Provance 1999-9-26 23077 Riverside McMullen Flat ca. 1 km NW of Valley High County Park, ca. 1 km SE of Hwy 74 off (W of) Twin Pines Ranch Rd. 1195 Comment
  CAS-BOT-BC22609  Ambrosia dumosa J. T. Howell 1928-3-25 3538 Riverside Painted Canon [Canyon], Colorado Desert Comment
  RSA23691  Ambrosia dumosa R. S. Woglum 1937-04 298 Riverside Mojave Desert: Palm Springs. Comment
  UC1518623  Ambrosia dumosa Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55425 Riverside e of, (mouth of Whitewater Canyon) Whitewater Post Office; San Bernardino Mts., Whitewater Canyon 411 Comment
  UCR120969  Ambrosia dumosa Jennie Phui 1998-6-3 106 Riverside Western Colorado Desert/San Jacinto Mtns., near Windy Point and Palm Springs Station, 6 miles NW of Palm Springs city limits, base of Mt. San Jacinto 366 Comment
  POM246586  Ambrosia ilicifolia E. C. Jaeger 1938-10-30 s.n. Riverside Granite Wells Wash, chuckawalla Mts. Colorado Desert. 366 Comment
  UCSB45944  Ambrosia ilicifolia Roos, John 1958-3-15 Riverside 2 1/2 miles S.E. of Desert Center, in the Chuckwalla Mtns. Comment
  UCR167839  Ambrosia psilostachya T. B. Salvato, Melissa Clemons 2005-6-23 1323 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  SD138940  Ambrosia pumila Craig Reiser 1993-4-19 Riverside Adjacent to Nichols Road about 400 yards west of Highway I-15 Comment
  OBI26016  Ambrosia salsola David J. Keil 1977-1-2 11932 Riverside Chiriaco Summit along I-10 between Indio and Blythe Comment
  UCD128884  Ambrosia salsola R. L. Smith 1948-3-24 s.n. Riverside Murray Canyon. Comment
  RSA0117834  Ambrosia salsola var. salsola Sarah J. J. De Groot, Thomas Stoughton 2016-4-19 7807 Riverside Santa Rosa Mountains: Along Dunn Road just west-southwest of BLM gate, between Haystack and Asbestos Mountains, head of Potrero Canyon, east of Potrero Spring. Southwest of Palm Desert and north of Highway 74. 1170 Comment
  SBBG92260  Ambrosia salsola var. salsola D. F. Howe 1980-4-15 Riverside Interstate 10, ca. 4 mi W of Mesa Verde, McCoy Mtns Comment
  UC480978  Ambrosia salsola var. salsola unknown May 1 1906-May 10 1906 Riverside desert at Palm Springs; Colorado Desert Comment
Read comments
Apr 17 2011
  POM13099  Amelanchier utahensis I. M. Johnston 1922-5-20 5488 Riverside Kenworthy 1418 Comment
  SD84908  Amorpha californica Nancy Ryan Zabriskie, Walter Zabriskie 1971-8-21 441 Riverside Santa Rosa Mountains, Palm Canyon drainage, above Garnet Queen Cr. crossing of Santa Rosa Mountain Road 1830 Comment
  SEINET5789314 Image available Amorpha californica A. E. Grable 1976-7-4 6451 Riverside Santa Rosa Mtns. Rd. near Mtn. Home Spring. SW-facing slope, open chapparal hillside. T7S S28 NE1/4 SW 1/4 Comment
  RSA192149  Amorpha fruticosa E. W. Lathrop 1966-5-8 6269 Riverside 5 miles west of Murrieta. Comment
  UCSB2968  Amorpha fruticosa Haller, Norman Riverside Highway 74, Cranston Ranger Station, 7 miles East of Hemet 609 Comment
  RSA755743  Amorpha fruticosa var. occidentalis A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37159 Riverside Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 320 Comment
  CAS-BOT-BC213972  Amsinckia John H. Thomas 1957-3-29 6515 Riverside Between Banning and Cabazon, about 2 miles east of Banning near railroad tracks 609 Comment
  RSA499895  Amsinckia intermedia Ora M. Clark 1929-2-23 1525 Riverside Near Banning. Comment
  SDSU18981  Amsinckia intermedia C. Matt Guilliams 2008-2-27 488 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  UC1212043  Amsinckia intermedia Peter H. Raven 1959-4-23 14015 Riverside 1.3 mi e Dripping Springs Comment
  UC306211 Image available Amsinckia intermedia Ivan Johnston 1917-3-1 Riverside mouth Andreas Canyon; ; Mouth of Andreas Canon 243 Comment
Read comments
Nov 27 2010
  UCR234221  Amsinckia intermedia A. C. Sanders, John F. Green 2012-3-20 39973 Riverside Peninsular Range; Gavilan Hills Area, hills east of Lake Elsinore, along Hwy 74 near Meadowbrook Ave. 512 Comment
  RSA0089612  Amsinckia intermedia Ora M. Clark 1929-4-6 1939 Riverside S. San Jacinto. Comment
  RSA0089938  Amsinckia menziesii D. E. Harvey 1969-4-20 690420 -2 Riverside Juniper Flats at Stubbe Springs parking area. Joshua Tree National Monument. Comment
  RSA0091473  Amsinckia tessellata C. L. Hitchcock 1940-4-2 5912 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  RSA0043041  Amsonia tomentosa Duncan S. Bell, Evan Meyer 2014-4-2 6527 Riverside Chuckwalla Mountains; approx. 0.75 air mile southeast of Aztec Well. 703 Comment
  SBBG55836  Anagallis arvensis S. LaBonde 1963-4-7 17 Riverside 4 mi NE of Palm Springs on the Palm Desert Hwy 60 Comment
Read comments
Mar 31 2014
  CAS-BOT-BC137843  Andropogon glomeratus var. glomeratus W. R. Dudley 1903-12-26 s.n. Riverside Near Warm Springs Palm Canyon. Comment
  RSA779780  Androstephium breviflorum Duncan S. Bell 2010-4-2 689 Riverside Arica Mountains: collecting along the jagged ridgeline of the mountain range; in the Palen/McCoy wilderness; approximately 2.4 air miles northwest of Priest Well. 591 Comment
  UCR90344  Anemopsis californica Scott D. White 1995-6-29 3413 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  RSA761266  Angelica Shawn Krosnick, Naomi Fraga, Lucinda A. McDade 2010-8-14 665 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC874528  Angelica tomentosa Mary F. Spencer 1923-7-28 2315 Riverside Banning road, Idyllwild, San Jacinto Mountain San Jacinto Mountain; , Idyllwild, Banning Road Comment
  JOTR37762  Anisocoma acaulis Hodges, Stephen R. 2016-2-29 718 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  UC130486  Antennaria rosea Mrs. C. M. Wilder 1909-7-13 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley Comment
  UC891795  Antennaria rosea P. A. Munz 1922-7-6 5977 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley 2225 Comment
  RSA708156  Anthriscus caucalis Scott D. White, Angelia Carey 2004-4-16 10189 Riverside Indian Creek and adjacent slopes. 549 Comment
  POM306144  Antirrhinum coulterianum Henry J. Ramsey 1937-5-30 1335 Riverside Santa Rosa Mountains. Comment
  POM49392  Antirrhinum coulterianum Philip A. Munz, J. M. Johnston 1924-7-29 8839 Riverside 7 mi SE of Poppet Flat, San Jacinto Mts. 1524 Comment
  POM72414  Antirrhinum coulterianum Philip A. Munz 1925-5-20 9835 Riverside 2 miles W of Dripping Spring. 427 Comment
  UC668389  Antirrhinum coulterianum Annie M. Alexander and Louise Kellogg 1941-4-24 2086 Riverside gorge of Dry Morongo Creek; Morongo Valley 640 Comment
  RSA425620  Antirrhinum filipes Anstruther Davidson 1927-04 s.n. Riverside Box Canyon Comment
Read comments
Nov 12 2011
  RSA221092  Antirrhinum kelloggii E. W. Lathrop 1966-3-23 6080 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  RSA585508  Antirrhinum kelloggii D. L. Banks, Steve D. Boyd 1995-5-9 369 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  POM262976  Antirrhinum nuttallianum subsp. nuttallianum J. C. Roos 1941-4-19 176 Riverside Reche Canyon - 'Plateau' [Label indicates San Bernardino Co.] Comment
  RSA278321  Antirrhinum nuttallianum subsp. nuttallianum C. W. Tilforth, Walter Wisura 1979-5-23 1803 Riverside Murrieta-DeLuz Rd., ca. 2 air miles south of Murrieta. 335 Comment
  UCR5785  Antirrhinum nuttallianum subsp. nuttallianum S. M. Chambers 1970-4-19 11 Riverside Riverside, half way up the W slope of the Box Springs Mtns from Big Springs Road 610 Comment
  UC1537171  Apiastrum angustifolium Gordon H. True Jr. 1935-3-11 90 Riverside Mockingbird Canyon 457 Comment
  POM97123  Apiastrum angustifolium P. A. Munz 1925-5-20 9819 Riverside 2 miles west of Dripping Springs. 427 Comment
  RSA708175  Apium graveolens Scott D. White, Angelia Carey 2004-5-7 10317 Riverside Indian Creek and adjacent foothills. 549 Comment
  SD60433  Apium graveolens Reid Moran 1964-7-27 11188 Riverside Canyon of Santa Margarita River 2 1/2 miles Southsouthwest of Temecula. 199 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
  UCR109556  Apium graveolens R. D. Goeden, Don W. Ricker 1978-10-25 s.n. Riverside Temecula Valley, Temecula, Murrieta Creek at Rancho California Road 305 Comment
  UC22901  Apocynum androsaemifolium H. M. Hall 1901-6 Riverside ridges & peaks near Tahquitz San Jacinto Mts. 2286 Comment
Read comments
Aug 3 2008
  UC64596  Apocynum androsaemifolium H. M. Hall 1897-8-13 847 Riverside San Jacinto Mts. 1828 Comment
  UC9006  Aquilegia formosa H. M. Hall July 1901 Riverside San Jacinto Mtns 1524 Comment
  RSA0125972  Arabis R. F. Thorne, Walter Wisura 1977-9-17 50773 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  RSA0126162  Arabis glabra Christopher Davidson 1977-5-18 5630 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1219 Comment
  RSA477448  Arabis glaucovalvula E. C. Jaeger 1922-4-22 s.n. Riverside Keyes Ranch. Comment
  RSA0126335  Arabis glaucovalvula C. L. Hitchcock 1932-4-8 12218 Riverside 1 mile west of Cottonwood Springs. Comment
  UCR13411  Arabis holboellii William E. Mortenson 1973-5-27 730527- 02 Riverside San Jacinto Mtns., 1.2 mi SW of Idyllwild, 0.5 mi west of Hwy 243 on Delano Road near intersection with Tollgate road. Along stream bank where Strawberry Creek crosses Toll Gate Road 1580 Comment
Read comments
Nov 13 2008
  RSA0129423  Arabis perennans J. D. Olmsted 1962-5-3 3492 Riverside Where Thomas Mt. road turns East along SW flank of north peak. 1768 Comment
  UCR153380  Arabis sparsiflora R. F. Thorne, Et al. 1969-6-24 38138 Riverside Peninsular Ranges; San Jacinto Mountains, San Bernardino National Forest. Hill north of James Reserve and Lake Fulmor 1677 Comment
Read comments
Nov 13 2008
  POM202933  Arceuthobium campylopodum Louis C. Wheeler 1931-10-4 242 Riverside San Jacinto Mountains. Strawberry Valley. 1585 Comment
  RSA629145  Arctostaphylos Jon E. Keeley 1992-7-17 16729 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA629147  Arctostaphylos Jon E. Keeley 1992-7-17 16767 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  UCR278160  Arctostaphylos glandulosa A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42668 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Squaw Mountain, Avenida Escala near Hacienda Dr. intersection, 2.35 air km east of Tenaja Guard Station 747 Comment
  SEINET10684215  Arctostaphylos glandulosa subsp. adamsii Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-15 Scott 129 Riverside San Bernardino National Forest. 9.4 mi. S on 243 (Palms to Pines National Scenic Byway) from US 10. 1298 Comment
  UC876570  Arctostaphylos glandulosa subsp. zacaensis I. W. Clokey and E. G. Anderson 1935-4-16 7888 Riverside Hemet 900 Comment
  CAS-BOT-BC24665  Arctostaphylos glauca Lewis S. Rose 1935-12-23 35692 Riverside Colorado Desert. Above Deep Canyon, San Jacinto Mts., 22 mi. of s. Cathedral City. 1066 Comment
  UC535008  Arctostaphylos glauca C. B. Wolf 1932-5-25 3695 Riverside 1/2 mi sw summit of Moreno Grade (sw of Beaumont); Bad Lands 609 Comment
  UCR178833  Arctostaphylos glauca Jeffrey Ross 1998-3-17 MOR- 1024 Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Potrero Canyon, near dirt road at outlet to sag pond at Burro Flats, Tree Stand P-04 1098 Comment
  UCR94067  Arctostaphylos glauca Scott D. White, D. Haselfeld 1996-7-2 4251 Riverside San Jacinto/Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi east of junction with Hwy 371, west-facing slope of Sugarloaf Mountain and adjacent valley 1402 Comment
  CAS-BOT-BC46768  Arctostaphylos parryana Vernon O. Bailey 1907-6-11 s.n. Riverside East slope above Palm Springs. Comment
  RSA633553  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21795 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633585  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22529 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633587  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22509 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633634  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20139 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633682  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21757 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA633725  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16630 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA633727  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16628 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA633737  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20108 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA0054854  Arctostaphylos patula Anonymous 1938-5-26 s.n. Riverside Hurkey Creek. Comment
  CLARK-A1528-1139  Arctostaphylos pringlei subsp. drupacea Sherri Stange 1980-5-26 Riverside San Jacinto Mountains 1523 Comment
  RSA635642  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-17 16725 Riverside Hwy 74, 4.3 km west of road (7S02) to Santa Rosa Mtn. 1470 Comment
  RSA78283  Arctostaphylos pringlei subsp. drupacea P. A. Munz, E. K. Balls 1952-8-21 17972 Riverside road to Santa Rosa Mt. from Vandeventer Flat 1829 Comment
  RSA635793  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16824 Riverside Idyllwild, saunders Mdw. Rd., E of Hwy 243, San Jacinto Mtns. 1610 Comment
  RSA721871  Arctostaphylos pungens var. pungens Michael Wall 2007-2-24 426 Riverside San Jacinto Valley off dirt road along wash feeding Bautista Creek off Bautista Creek Rd. 3.0 miles SE of Fairview Avenue 678 Comment
  SDSU17431  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 408 Riverside Santa Margarita Ecological Reserve, along 'Highlands Trail' at northern rim of mesa-top. 654 Comment
  UCR161150  Arctostaphylos rainbowensis John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  UCR209396  Arctostaphylos rainbowensis Fred M. Roberts 2007-4-13 6515 Riverside Santa Ana Mountains, south of Mesa de Colorado on the Santa Rosa Plateau, northwest corner of El Calamar Road and Via Escalon, 1.6 km west-northwest of the summit of Mesa de La Punta 536 Comment
  UCR101403  Arenaria douglasii A. C. Sanders 1997-4-10 20328 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  POM285872  Argemone munita subsp. munita Gerald B. Ownbey, Findley Ownbey 1954-8-7 2178 b Riverside 13.2 mi. of Idyllwild, Hemet Valley. 1372 Comment
  RSA0040073  Argythamnia neomexicana Jim Andre 2014-1-27 26660 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  CAS-BOT-BC137663  Aristida adscensionis Steve Boyd; Tammy Morgan; Aydee Virgen; Sarah J. DeGroot; Valentin Arvizu; Tim Thibault 2004-5-14 11231 Riverside Colorado Desert. Chocolate-Chuckawala Mountains Region. Western base of the Chocolate Mountains, small canyon ca. 1.25 mile due north of Imperial county line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at Comment
  RSA554067  Aristida adscensionis Megan Phillips 1991-10-17 91 -20 Riverside Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive. Comment
  UCR256700  Aristida adscensionis Duncan S. Bell 2012-2-12 3090 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  CAS-BOT-BC137654  Aristida adscensionis J. A. Ewan 1932-4-11 7089 Riverside Santa Rosa Mountains. Martinez Canyon. 365 Comment
  RSA654176  Aristida divaricata A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22284 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  RSA543187  Aristida purpurea var. nealleyi Steve Boyd 1991-3-17 5504 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  RSA6104  Aristida purpurea var. nealleyi C. B. Wolf 1932-5-24 3640 Riverside Snow Creek, 0.5 mile below the Fish Hatchery, north base of San Jacinto Mountians. 549 Comment
  UCD56548  Aristida purpurea var. nealleyi H. S. Yates 1937-6-27 6721 Riverside head of Deep Canyon. 1219 Comment
  UCR19678  Aristida purpurea var. nealleyi John C. Roos, Lucille Roos 1949-4-11 4242 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake Comment
  UCR19681  Aristida purpurea var. nealleyi John C. Roos 1938-8-7 582 Riverside San Jacinto Mtns., Road bank near San Jacinto River, east of Hemet 701 Comment
  SEINET10933044  Aristida purpurea var. nealleyi Charles L. Hitchcock 1940-3-30 Hitchcock 5871 Riverside Cottonwood Spring. Comment
  RSA0097962  Aristida purpurea var. parishii Duncan S. Bell 2014-11-14 7711 Riverside Santa Rosa Mountains; collecting in the Santa Rosa Mountain Wilderness area; west side of Martinez Mountain; at meeting point of Horsethief Creek and the Cactus Spring Trail. 1055 Comment
  SEINET3919297  Aristida purpurea var. parishii LeRoy Gross, Leland Lubinsky; Victor Steinmann; Linda Worlow 2005-2-17 1460 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground.; 0 480 Comment
  SDSU6156  Artemisia californica S. J. Barnhart 1966-4-17 660417 -11 Riverside South-west facing slope of small hill 0.1 mi. east of McAllister St. along the Metropolitan Water Co. utility road (dirt), which is 1.5 mi. south-east of the intersection of McAllister St. and Victoria Ave. 457 Comment
  UCR114341  Artemisia douglasiana Mitch Provance, S. D. Boyd 1999-9-14 1783 Riverside Riverside, Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  UC29674  Artemisia dracunculus Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  OBI35675  Artemisia ludoviciana Louis B. Ziegler 1964-8-10 2 Riverside San Jacinto Mts-Garner (Hemet) Valley. Kenworthy ranger station Comment
  JOTR32843  Artemisia ludoviciana subsp. incompta La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1033 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; granitic bouldery slopes above wash 1260 Comment
  CLARK-A1528-157  Artemisia tridentata Charlotte Stocks 1964-8-4 Riverside San Jacinto Mountains 1523 Comment
  HSC25814  Asclepias albicans R. W. Spjut 1972-2-12 2189 Riverside Colorado Desert, N face of the Chuckawalla Mtns., ca. 3-4 mi. S of Desert Center. 305 Comment
  RSA407720  Asclepias californica Steve Boyd 1986-4-22 1756 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  UCR48344  Asclepias californica Steve Boyd 1986-4-22 1756 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  JEPS6287  Asclepias eriocarpa Marjorie D. Clary 1932-7-4 1208 Riverside Santa Rosa Mts. Kenworthy area; , Kenworthy area 1371 Comment
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Mar 25 2011
  UCR24889  Asclepias eriocarpa A. C. Sanders 1981-7-22 01743 Riverside San Jacinto Mtns., Alvin Meadows, 2 mi. (airline) WSW of Idyllwild 1529 Comment
  UC22975  Asclepias erosa H. M. Hall June 1901 2111 Riverside along borders Colorado Desert (e base of mountains); San Jacinto Mountains Comment
  SBBG58651  Asclepias subulata R. H. Nordhoff 1940-11-10 609 Riverside Thousand Palms Cyn Comment
  UCSB12490  Asclepias subulata Breedlove, Dennis 1961-9-11 Riverside Along roadside U.S. 60-70, 16.4 mi. E of Indio 441 Comment
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Mar 29 2014
  UC1719654  Asplenium vespertinum Steve Boyd, Aydee Virgen 2004-4-13 10896 Riverside Peninsular Ranges; Santa Ana Mountains region; San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  SEINET6811133  Asteraceae Unknown 1997-4-16 Riverside Monterey Avenue; Monterey Avenue Comment
  CLARK-A1528-5566  Astragalus allochrous John C. Roos 1949-4-10 4228 Riverside Chuckwalla Mountains Comment
  JOTR30888  Astragalus coccineus La Doux, Tasha, E. Babich, N. Pietrasiak 2008-4-21 2093 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north end of East Deception Canyon 1446 Comment
  JEPS8052  Astragalus crotalariae Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1955-2-26 4809 Riverside in sandy stretch along State Highway No. 111 not far from shore Salton Sea (opposite Salton Beach State Park); <nr> shore Salton Sea, opposite Salton Beach State Park -73 Comment
  CAS-BOT-BC182587  Astragalus didymocarpus var. dispermus Ynez Whilton Winblad 1937-3-22 s.n. Riverside East slope of Chocolate Mts. Comment
  RSA0031439  Astragalus douglasii var. douglasii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4549 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CAS-BOT-BC178450  Astragalus douglasii var. parishii H. M. Hall 1899-5-21 1117 Riverside San Jacinto Mts. 1828 Comment
  RSA505019  Astragalus douglasii var. parishii D. Charlton 1988-5-21 1918 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on Hwy 74. 1829 Comment
  SD211454  Astragalus insularis var. harwoodii Carolyn Martus, Joseph Betzler, Caesara Brungraber, Lance Woolley 2008-4-15 1213 Riverside 30 miles west of Blythe near Palen Dry Lake. From I-10 exit Corn Springs Road north for about 8 miles. There are few plants (less than ten on this outing) south of Palen Dry Lake. Comment
  RSA0037330  Astragalus insularis var. harwoodii John C. Roos 1958-3-15 s.n. Riverside Chuckwalla Mtns., 3 miles SE of Desert Center. Comment
  RSA0014456  Astragalus lentiginosus var. coachellae Justin M. Wood, J. Miner 2010-4-29 1529 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  RSA298236  Astragalus lentiginosus var. coachellae T. W. Minthorn 1926-5-14 s.n. Riverside Between Banning and Palm Springs. Comment
  RSA715087  Astragalus lentiginosus var. coachellae Sarah J. De Groot, J. Mark Porter 2006-3-14 5197 Riverside North foot of San Jacinto Mts., between Snow Creek Road and Highway 111; several miles downstream from gaging station. 366 Comment
  SD232244  Astragalus lentiginosus var. coachellae Scott D. White 2001-4-18 8367 Riverside Coachella Valley: Palm Springs. Northeast corner of 30th Ave. and Devall St. 100 Comment
  SEINET5325595  Astragalus lentiginosus var. fremontii H. M. Hall 1905-4-14 5757 Riverside Whitewater, on the Colorado Desert, Lower Sonoran Zone, 240 Comment
  JEPS44369  Astragalus leucolobus Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4256 Riverside just below Toro Peak ((i.e. s of the saddle e of the peak), Santa Rosa Mts., <ca. 20 mi due w of n end of Salton Sea>); Santa Rosa Mts., , s of saddle e of peak 2499 Comment
  LA205563  Astragalus nuttallianus var. cedrosensis Philip A. Munz; D. Keck 1922-4-12 4846 Riverside Chuckwalla Mountains, vicinity of Corn Springs 670 Comment
  UCR237631  Astragalus nuttallianus var. cedrosensis Duncan S. Bell, Amanda Turek 2010-4-10 835 Riverside Riverside Mountains, in the vicinity of Mountaineer Mine and Calzona Mine, c. 3.8 air mi west of the Colorado River, c. 2 air mi northeast of Riverside Mountain Peak 198 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
  POM308355  Astragalus palmeri Henry J. Ramsey, Henry J. Ramsey 1938-4-22 3028 Riverside Santa Rosa Mountains. 1220 Comment
  UCR3433  Astragalus palmeri John Minnich 1964-3-25 64-3-25- 11 Riverside Colorado Desert/ San Jacinto Mtns., Hwy 74, on mtn side of San Jacinto Mtns. [near Pinyon Flats] 1220 Comment
  CAS-BOT-BC194128  Astragalus pomonensis Frank W. Gould 1943-4-18 2155 Riverside 3 miles west of Beaumont near junction. Comment
  CAS-BOT-BC194175  Astragalus pomonensis Carl B. Wolf 1935-4-7 6298 Riverside Gavilan Hills Region, 1 mi. W of Val Verde 487 Comment
  SD8527  Astragalus pomonensis Daniel Cleveland Apr 1880 Riverside San Jacinto Plains Comment
  UCR130221  Astragalus purshii George K. Helmkamp, E. A. Helmkamp 1998-6-27 4120 A Riverside Santa Rosa Mountains., Santa Rosa Mountain Road, 5.8 miles southeast of Calif. Hwy 74 1799 Comment
  CLARK-A1528-160  Atrichoseris platyphylla Charlotte Stocks 1963-5-5 Riverside 365 Comment
  SFV7922  Atrichoseris platyphylla T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1285 Riverside Along Parker Dam Highway about 8 miles northeast of Desert Center. 183 Comment
  UCD129382  Atrichoseris platyphylla P. C. Everett; E. K. Balls 1958-4-29 23026 Riverside 10.8 miles northeast and north from Desert Center along road to Rice and Vidal Junction. 274 Comment
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Jun 16 2013
  UCR279345  Atrichoseris platyphylla A. C. Sanders, Jim Malusa 2017-3-23 42943 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  RSA57457  Atriplex argentea Steve Boyd 1985-8-7 1117 Riverside Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Road, 0.8 mile east of jct with 8S01 and 8S02. Comment
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Feb 26 2013
  UCR101545  Atriplex argentea C. S. Jones, Jennifer Hodge 1998-3-22 s.n. Riverside Lake Elsinore, back basin, c. 700 ft. west of the San Jacinto River and c. 250 ft. south of the Lake Elsinore channel. 400 Comment
  RSA0106716  Atriplex canescens Duncan S. Bell, Amanda Turek 2010-1-30 529 Riverside About 4 air miles northwest of the Arica Mountains; along the California Aqueduct, to the south of Highway 62. 282 Comment
  SEINET5540666  Atriplex canescens H. S. Gentry 1954-1 14249 Riverside Aguanga. Comment
  SEINET10838814  Atriplex canescens var. laciniata Jon Ricketson, Heidi H. Schmidt 1992-10-25 Ricketson 4925 Riverside Salton Sea. At the junction of California Highway 111, (Commercial Street), along Vander Veer Road (to North Shore Marina), in the town of North Shore. North end of the Salton Sea, in the Coachella Valley. 60 Comment
  RSA532563  Atriplex coronata var. notatior D. E. Bramlet 1991-5-8 2129 Riverside 7.6 km west of Hemet and some 830m west of the intersection of warren Rd. and the RR tracks. the ste is some 350m north of the santa Fe raileroad tracks and 500m east of the MWD canal. 500 Comment
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Mar 4 2013
  UCR120544  Atriplex coronata var. notatior D. E. Bramlet 2000-5-9 3020 Riverside 610 m west of the San Jacinto River and 457 m north of San Jacinto Ave., 30 m east of Dunlap 131 Comment
  UCR266286  Atriplex davidsonii D. E. Bramlet 2005-7-28 3912 Riverside Perris-Aguanga Basin, area west of Hemet & Hemet-Ryan Airport, west of Warren Rd., south of Florida Ave./Hwy 74, east of San Diego Canal 457 Comment
  SD175810  Atriplex elegans R. E. Riefner Jr. 2006-8-2 06 350 Riverside City of Corona, southeast ca. 0.75 mile from Cajalco Rd. and Temescal Wash; south ca. 1.5 mile of Blue Diamond Quarry. 310 Comment
  UC68841  Atriplex elegans H. M. Hall 1905-4-17 5924 Riverside near Colorado River (Colorado Desert, Palo Verde Valley); Colorado Desert, nr Colorado River, Palo Verde Valley 91 Comment
  UCR255947  Atriplex hymenelytra Deidre Conocchioli, Duncan S. Bell 2014-3-18 262 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, 11.6 mi northeast of the Salton Sea, 1.9 mi north of the Salt Creek crainage, 0.2 mi southwest of Gucci Spring 390 Comment
  UCR260356  Atriplex hymenelytra A. C. Sanders, Jim Malusa 2015-3-10 41370 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  RSA478278  Atriplex lentiformis Jack Rempel 1932-11-11 16115 Riverside Dos Palmos Springs, Colorado Desert Comment
  UC66493  Atriplex lentiformis E. E. Schellenger 1904-10-16 54 Riverside between Coachella and Wolters [Walters = Mecca] Comment
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Jun 18 2011
  RSA556605  Atriplex parishii D. E. Bramlet 1993-7-2 2360 Riverside This site is approximately 6.9 km southwest of Hemet, at the end of California Ave. and some 0.85 km. north of Stetson. The population is located 150-500m. east of California and 335. West of the MWD canal. 139 Comment
  RSA780958  Atriplex polycarpa Stephanie Rockwood, Christi Gabriel 2011-10-19 134 Riverside I95 Pulloff about 6 miles from Blythe Itaglios Marker. Boundary of Indian Reservation land. Desert Conservation Area. 99 Comment
  SEINET244783  Atriplex serenana A. C. Sanders, K. C. Rose 1999-6-18 22831 Riverside Domenigoni Valley; upper Warm Springs Creek between Hwy 79(Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester. 433 Comment
  UCR89874  Atriplex suberecta Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  CAS-BOT-BC145900  Avena fatua A. C. Sanders; G. K. Helmkamp 1997-3-15 19977 Riverside Lake Skinner area, north foot of 1700 foot hill east of Bachelor Mountain. 488 Comment
  POM170960  Ayenia compacta I. M. Johnston 1930-6-15 3784 Riverside Lost Palms Canyon above [Anslintz] Wall, Eagle Mts., Colo. Desert. [information from frag pack] Comment
  UC218677  Azolla filiculoides P. A. Munz 1922-4-29 5109 Riverside Lancaster Valley, S of Hemet 457 Comment
  RSA0042506  Baccharis brachyphylla John F. Emmel 1993-4-23 1258 Riverside Granite Mts. WSW of Rice, canyon 1.2-1.4 air miles north and 0.0-0.6 air mile west of 4353 ft. high peak. 853 Comment
  CDA10369  Baccharis emoryi C. R. Tower Oct 1949 Riverside Citrus Experiment Station, Riverside. 0 Comment
  POM320337  Baccharis emoryi Patricia Wilder 1971-11-11 5304 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  CDA26800  Baccharis pilularis Mike Lahti 2008-10-21 PDR# 1509237 Riverside Temecula, 46062 Vista Del Mar at Los Gatos. 0 Comment
  POM37330  Baccharis salicifolia Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA93201  Baccharis salicifolia F. W. Peirson 1924-12-30 5424 Riverside Thousand-Palms Canyon, Colorado Desert 122 Comment
  LA203007  Baccharis sergiloides Flora Murray Scott; 1928-4-2 sn Riverside Marongo Comment
  SBBG98294  Baccharis sergiloides G. B. Grant -May-1906 Riverside Palm Springs Comment
  RSA79172  Bahiopsis parishii Philip A. Munz, Percy C. Everett 1952-5-2 16243 Riverside Dry Morongo Wash, n.w. end of Coachella Valley 457 Comment
  UCR85075  Baileya multiradiata A. C. Sanders, Helmkamp & MacKay 1995-3-12 16019 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  OBI26027  Baileya pauciradiata David J. Keil 1977-1-2 11933 Riverside W of Blythe along I-10 Comment
  RSA21759  Baileya pauciradiata C. B. Wolf 1937-4-6 8431 Riverside Coachella Valley, 3 miles N of Indio. 0 Comment
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Sep 23 2011
  CLARK-A1528-1647  Bebbia juncea John C. Roos 1951-10-19 5329 Riverside San Jacinto Valley 457 Comment
  POM203025  Bebbia juncea Marcus E. Jones 1934-5-9 s.n. Riverside Corona Comment
  SEINET13276697 Image available Bebbia juncea Mitch Provance 2012-1 712 -06 Riverside Colorado Desert: Thousand Palms Canyon Road, +-2/3 of the way up into the canyon. (Myoma 7.5' Q.) 140 Comment
  CAS-BOT-BC100126  Bebbia juncea var. aspera H. M. Hall; L. A. Greata 1905-5-2 5969 Riverside Chuckawalla Mts. Comment
  CAS-BOT-BC75537  Berberis dictyota Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-25 261 Riverside Santa Rosa Mountain road above Palms-to-Pines Highway. 1371 Comment
  CLARK-A1528-7859  Berberis nevinii John C. Roos 1949-5-21 4321 Riverside Temecula Creek Comment
  UCR189589  Berberis nevinii Diane Menuz 2006-5-23 105 Riverside Peninsular Range, Oak Mountain; c. 2.5 km north of Vail Lake 823 Comment
  HSC27276  Bernardia myricifolia R. W. Spjut 1972-3-13 2260 Riverside W Border of the Colorado Desert, along the slopes of the San Jacinto Mtns., near the E border of the San Bernardino National Forest along Hwy. 74 915 Comment
  UCR109637  Berula erecta T. W. Fisher 1964-7-22 s.n. Riverside San Jacinto Mtns., Lake Hemet in main feeder stream 1311 Comment
  CAS-BOT-BC16090  Boechera californica H. M. Hall 1901-6-1 s.n. Riverside San Jacinto Mountains. Near Tahquitz. 2286 Comment
  JOTR33813  Boerhavia coccinea La Doux, Tasha, B. Truesdell 2007-11-9 3328 Riverside Joshua Tree National Park. Eagle Mountains; south of Munsen Canyon, canyon parallel to and east of Lost Palms Canyon along south park boundary (STOP 4) 649 Comment
  RSA645639  Boerhavia coccinea Scott D. White 1999-4-20 7276 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe. 91 Comment
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Aug 21 2019
  UCR18393  Boerhavia coccinea A. C. Sanders, J. Zabriskie 1979-8-18 0849 Riverside Sonoran (Colorado) Desert, slopes of Santa Rosa Mountains, on Hwy 74. 488 Comment
  UCR19106  Boerhavia coccinea John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Desert Center Comment
  UCR58877  Boerhavia coulteri J. M. Stewart 1989-10-16 610 Riverside Sonoran (Colorado) Desert, along Hwy 95, 5.6 mi. south of Vidal Comment
  GMDRC3103  Boerhavia triquetra J. Andre, T. La Doux 2008-9-13 10264 Riverside Chuckwalla Valley: along Hwy 177 (northwest side), southeast end of Coxcomb Mountains 33 deg. 48.724' N 115 deg. 16.87' W. Elev. 527 ft. 161 Comment
  UCR26230  Boerhavia triquetra John C. Roos 1946-11-29 3178 Riverside Sonoran (Colorado) Desert, S foot of Eagle Mtns [near Lost Palms Canyon?] Comment
  UCR5613  Boerhavia triquetra O. F. Clarke 1966-10-5 661005- 10 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  RSA518305  Boerhavia wrightii A. C. Sanders 1989-9-20 9514 Riverside Chocolate Mountains Aerial Gunnery Range: Tabaseca Tank, in the extreme northern end of the Chocolate Mountains. 610 Comment
  UCR101517  Boerhavia wrightii Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10051 C Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 427 Comment
  UCR271683  Bolboschoenus maritimus subsp. paludosus Mitch Provance 2011-7-4 17180 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  UCR85430  Bolboschoenus maritimus subsp. paludosus A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15886 Riverside Sonoran (Colorado) Desert, Salton Sink: Dos Palmas oasis area, managed ponds near the Nature Conservancy preserve headquarters (Rancho Dos Palmas) -37 Comment
  UCD56821  Bothriochloa ischaemum Oscar F. Clarke 1967-7-6 C 670706 1 Riverside Riverside Co. Comment
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Apr 8 2009
  POM263174  Bouteloua aristidoides J. C. Roos 1937-8-22 478 Riverside Colorado River, north of Blythe. Comment
  SEINET4565925  Bouteloua barbata Duncan S. Bell 2011-10-22 2991 Riverside Sonoran (Colorado) Desert; Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  JOTR32423  Bouteloua barbata var. barbata Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 12 Riverside Joshua Tree National Park. Queen Mountains; Intersection of Park Blvd. and Pinto Basin road; Small rocky hills and surrounding drainages 1112 Comment
  RSA782005  Bouteloua barbata var. barbata Stephanie Rockwood, Christi Gabriel 2011-10-18 120 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 109 Comment
  CAS-BOT-BC224907  Bowlesia incana A. C. Sanders 2011-4-6 39019 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UCR150039  Bowlesia incana Scott D. White, Tasha LaDoux 2000-4-20 7673 Riverside Perris-Aguanga Basin, South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills 671 Comment
  RSA674966  Brachypodium distachyon Scott D. White, Teresa Salvato 2001-6-8 8584 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  RSA27213  Brandegea bigelovii C. L. Hitchcock 1940-3-31 5894 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  SD49374  Brandegea bigelovii Thomas W. Whitaker 1958-4-30 Riverside Box Canyon, midway between Mecca and Shaver Well Comment
  UC1551917  Brandegea bigelovii David Charlton 1988-2-19 1170 Riverside n of Mecca Hills (on road between Cottonwood Wash and Mecca, near Mecca, Colorado Desert Wash Community, Orocopia Mountains, Box Canyon); Orocopia Mountains, Box Canyon 457 Comment
  UCD107469  Brandegea bigelovii Lyman Benson 1949-3-28 13572 Riverside Wash at E end of Pines to Palms Highway, just above jct with Palm Springs Indio Rd. 304 Comment
  UCR38079  Brassica nigra O. F. Clarke 1985-5-13 s.n. Riverside San Jacinto River Valley, Gun club ponds east of Davis Road, a short distance north of Lakeview, east of the Bernasconi Hills 428 Comment
  RSA674570  Brassica tournefortii Scott D. White 2000-5-3 7765 Riverside Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly S of Red Hawk subdivision. 351 Comment
  RSA708429  Brassica tournefortii Scott D. White 2005-3-29 10826 Riverside Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  RSA757792  Brassica tournefortii LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4295 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
  RSA784969  Brassica tournefortii Duncan S. Bell 2012-3-18 3232 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  UCR113208  Brassica tournefortii A. C. Sanders 1998-2-19 21653 Riverside San Bernardino Mountains, mouth of Hathaway Canyon, Morongo Indian Reservation, east of Banning 793 Comment
  SBBG66119  Brickellia atractyloides Anstruther Davidson 1893-1 Riverside Palm Springs 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
  RSA314406  Brickellia desertorum R. F. Thorne 1982-10-8 55388 Riverside San Bernardino Mts.: Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  RSA0062666  Brickellia desertorum Nancy Ryan Zabriskie, Walter Zabriskie 1971-11-27 467 Riverside N.W. of juncture of North Canyon with Andreas Canyon, east slope San Jacinto Mountains. 365 Comment
  POM308537  Brickellia incana Henry J. Ramsey, Henry J. Ramsey 1939-10-1 3158 Riverside East of Indio. Comment
  RSA507463  Brickellia oblongifolia var. linifolia Kathy Harper 1988-5-14 s.n. Riverside San Jacinto/Santa Rosa Mountains, Canyon Drive at Alpine Village, off Hwy 74. Comment
  UCR191211  Brodiaea santarosae Tom Chester, W. P. Armstrong 2006-6-22 934 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau: Avenaloca Mesa; north side of Avocado Mesa Road at La Cuesta Road 750 Comment
  UC1871317  Bromus arenarius Steve Boyd, Chris Frazier 1993-4-24 8006 Riverside Peninsular Ranges; Palomar Mountains region; Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck rd. T8S R1W; SE 1/4, NE 1/4 sec. 32. Elev. 2600-2900 feet. Comment
  RSA643890  Bromus arizonicus A. C. Sanders, J. Dice, K. Rose, D. Woodard 1995-3-29 16271 Riverside San Jacinto Mountains/ San Gorgonio Pass: alluvial fan at the mouth of Snow Creek, between Highway 111 and Snow Creek Village., (33 deg 54'N, 116 deg 40'W) Comment
  SEINET799033  Bromus carinatus John & Lucille Roos, Lucille Roos 1954-1 6122 Riverside Canyon 1 mile SE of summit of Reche Canyon 685 Comment
  UCR201652  Bromus carinatus Scott D. White, Justin M. Wood 2008-5-15 12010 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  UCR2206  Bromus carinatus F. M. Reed 1906-3-4 903 Riverside Riverside, Fairmont Park 244 Comment
  UCR2217  Bromus catharticus F. M. Reed 1907-2-12 1205 Riverside Riverside, Arroyo Tequesquite, Bluffs Ranch 274 Comment
  SEINET266964 Image available Bromus hordeaceus subsp. molliformis D. Atwood, L. Stritch 1993-4-2 17914 Riverside Santa Rosa Plateau TNC Preserve and adjacent to BLM administered lands. 671 Comment
  RSA778204  Bromus rubens Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 798 Riverside Mecca Hills, just south of Shaver's Well 305 Comment
  SDSU964  Bromus tectorum A. H. Gallup 1948-6-12 203 Riverside At Idylwild along road, San Jacinto Mts, Pacific slope 1829 Comment
  RSA535079  Caesalpinia gilliesii Steve Boyd, T. S. Ross 1991-11-10 6629 Riverside Gavilan Hills, W of Perris along Santa Rosa Rd. near the base of range. Comment
  RSA405287  Caesalpinia virgata N. C. Cooper 1944-5-20 2621 Riverside Palms to Pines Hwy., San Jacinto Mtns. 304 Comment
  UCR166540  Caesalpinia virgata Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10878 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR89830  Caesalpinia virgata George K. Helmkamp 1994-3-10 42- 18 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  JEPS52588  Calandrinia ambigua W. L. Jepson 1927-4-13 11688 Riverside Painted Canyon Mecca Hills (mouth) 45 Comment
  SD217351  Calandrinia ciliata Steve Boyd, Tim Ross, et al 1990-4-2 4042 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along Highway 79, East of USFWS Dripping Springs Guard Station. 487 Comment
  UCR91464  Calandrinia ciliata Scott D. White 1995-3-30 2659 Riverside San Jacinto Valley, Moreno Valley; fallow field 0.5 air mi south of 60 Fwy and west of bend in Moreno Beach Drive 579 Comment
  SBBG89258  Calandrinia menziesii J. Adams 1966-3-12 437 Riverside Hwy 74, 5 mi E of Elsinore, toward Perris 304 Comment
  RSA757464  Callitriche marginata R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55208 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  POM10103  Calocedrus decurrens E. A. Zumbro 1903-08 s.n Riverside Idylwild [Idyllwild] Comment
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Jan 11 2007
  RSA482011  Calocedrus decurrens Richard Noyes, Laurel Arnseth 1988-9-10 722 Riverside Fern Basin Camp, 4 air miles northwest of Idyllwild 1875 Comment
  RSA679166  Calochortus invenustus Fred M. Roberts 2003-6-25 5935 Riverside Santiago Peak, old road near Orange County line, c.a. 150m N jct. with Main Divide Truck Trail, 0.5km north summit. 1633 Comment
  RSA0066240  Calochortus invenustus Anonymous s.n. Riverside Strawberry Valley. 1524 Comment
  SBBG22199  Calochortus palmeri var. munzii H. and M. Dearing 1940-6-8 4352 Riverside Palms to Pines Hwy, W of Ribbonwood Comment
  RSA0034606  Calochortus splendens Linda M. Prince, Duncan S. Bell 2009-6-17 575 Riverside Cleveland National Forest. Helipad. Comment
  RSA619567  Calochortus splendens Darin L. Banks 1997-5-5 2005 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
  RSA662566  Calochortus splendens P. Shirokawa 1998-5-15 31 Riverside Cleveland National Forest- Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 808 Comment
  RSA502191  Calochortus weedii var. intermedius Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-6-11 3719 Riverside Vail Lake area, recently burned hills at W end of lake SW of dam. 488 Comment
  RSA755595  Calycoseris parryi Scott D. White, Michael Honer 2003-5-13 9236 Riverside Shavers Valley / Cottonwood Mountains. Lower mountain slopes ca. 1 air mile N of the I-10 Freeway. 488 Comment
  JEPS23599  Calycoseris wrightii Mary Beal 1941-4-6 863 Riverside Box Canon Mohave Desert, Box Canon Comment
  RSA777335  Calycoseris wrightii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 832 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  JOTR30966  Calyptridium monandrum La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1941 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  RSA0123298  Calyptridium monandrum Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8984 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UC851946  Calyptridium monandrum I. W. Clokey 1935-4-18 6616 Riverside Gavila Mesa 600 Comment
  UCR116785  Calyptridium monandrum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24163 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR202234  Calyptridium monandrum 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
  UCR133650  Calystegia macrostegia Michael D. Wilcox 2003-5-13 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  RSA422203  Calystegia macrostegia subsp. arida G. R. Johnstone 1934-3-27 18570 Riverside Near Wildomar. Inland route to Temecula. Comment
  UCR278863  Calystegia macrostegia subsp. intermedia Mitch Provance 2011-6-15 17102 Riverside Santa Ana River Valley, Riverside, north side of Market St., 100-200 ft. east of the rip rap along the Santa Ana River34 245 Comment
  UC456007  Calystegia macrostegia subsp. tenuifolia I. J. Condit 1910-6-24 Riverside road to Strawberry Valley (San Jacinto Mts.); San Jacinto Mts. 609 Comment
  UC1287077  Camissonia C. L. Hitchcock 1966-3-20 24305 Riverside 20 mi n Ogilby (along road to Blythe) Comment
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Mar 2 2013
  RSA449956  Camissonia bistorta J. C. Roos 1966-4-5 s.n. Riverside Winchester Comment
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Mar 20 2011
  RSA465944  Camissonia bistorta Jeannette B. Edge 1934-4-22 s.n. Riverside Jurupa Mountains Comment
  UCR120948  Camissonia bistorta A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23881 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR171909  Camissonia bistorta John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  UCR228928  Camissonia bistorta A. C. Sanders 2011-4-6 39009 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UCR85165  Camissonia boothii A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16084 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  UCR216495  Camissonia brevipes subsp. brevipes Jim Andre, T. La Doux 2009-3-10 11242 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  RSA200915  Camissonia californica Carl B. Wolf 1932-5-25 3670 Riverside San Jacinto Mountains, 0.5 miles below the Fish Hatchery, Snow Creek, North base of mountains 549 Comment
  RSA248302  Camissonia californica A. M. Alexander, Louise Kellogg 1941-4-22 2058 Riverside Colorado Desert. Morongo Valley Gorge 701 Comment
  RSA263683  Camissonia californica E. W. Lathrop 1975-8-15 7468 Riverside 5 miles W of Murrieta, Los Gatos Road, on south slope of Mesa de Colorado. Comment
  UCR93819  Camissonia californica P. J. MacKay 1996-6-15 002 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  SEINET3005051  Camissonia claviformis G. Rink 2011-4-27 10488 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe 94 Comment
  UCR165273  Camissonia claviformis 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
  UCR19028  Camissonia claviformis John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  RSA449186  Camissonia claviformis subsp. aurantiaca N. C. Cooper 1949-4-8 3313 Riverside Desert Center. 610 Comment
  UCR196390  Camissonia claviformis subsp. aurantiaca Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1424 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  RSA776766  Camissonia claviformis subsp. aurantiaca Amber Swanson 2011-4-8 382 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  POM48921  Camissonia confusa P. A. Munz 1924-5-18 8142 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  RSA633323  Camissonia confusa Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38083 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  UCR133370  Camissonia confusa Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 294 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 Comment
  SEINET12188402  Camissonia dentata H. M. Hall 2917 Riverside Vicinity of Winchester 457 Comment
  RSA683858  Camissonia ignota Scott D. White, Michael Honer 2003-4-4 8963 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UCR121666  Camissonia micrantha A. C. Sanders, T. B. Salvato 2000-5-8 23383 Riverside San Bernardino Valley region, Riverside, UCR Botanical Garden, E side of the campus 396 Comment
  UCR116622  Camissonia pallida A. C. Sanders 2001-3-20 23854 Riverside Western Colorado Desert, Coachella Valley, Garnet, north side of 19th Ave., 1/2 mi. (airline) NW of intersection of I-10 and Indian Ave. 235 Comment
  POM253860  Camissonia pallida subsp. pallida A. M. Alexander, Louise Kellogg 1941-4-22 2059 Riverside Morongo Valley Gorge. 701 Comment
  UCR214421  Camissonia refracta A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37490 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
  CLARK-A1045-74  Camissonia strigulosa George K. Helmkamp 1978-5-20 Riverside San Jacinto Mountains roadside; Kensworthy Forest Station; Idyllwild 15' Q Comment
  RSA528107  Camissonia strigulosa Scott D. White 1991-4-10 91 -65 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, & S of Cactus Valley Road 518 Comment
  RSA715074  Camissonia strigulosa A. C. Sanders 2005-4-22 29613 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  SD148111  Camissoniopsis bistorta A. C. Sanders, T. B. Salvato 2000-5-25 23426 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Bradley rd., 2 miles due east of railroad Canyon Lake (Romoland 7.5' Q.) on decomposed granite slopes along a dirt road, generally N-facing slopes with sandy soil 438 Comment
  RSA0093835  Camissoniopsis confusa A. C. Sanders, T. B. Salvato 2001-5-3 24121 Riverside Perris-Aguanga Basin region. Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley. 494 Comment
  UCR59683  Capsella bursa-pastoris Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2984 Riverside Peninsular Range, Vail Lake area, Temecula Creek Cyn below Vail Lake dam 418 Comment
  RSA180427  Carex densa E. W. Lathrop 1959-4-26 4503 Riverside 14 miles W of Murrieta - Tenaja Plateau. Comment
  RSA680527  Carex fracta Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8646 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UC729544  Carex fracta Carl B. Wolf 1932-5-24 3653 Riverside Snow Creek Canyon, 1 mi above fish hatchery San Jacinto Mountains, N base 792 Comment
  IRVC9260  Carex kelloggii S. Freeman 1966-4-30 s.n. Riverside On Fuller Mill Creek; 1 mi. upstream from Banning-Idylleild road. Peninsular Ranges, San Jacinto Mountains 1829 Comment
  UCR225157  Carex multicostata Steve Boyd, Gary Wallace 2005-7-30 11652 Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  UCR96428  Carex pellita Scott D. White 1996-8-1 4441 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  UCSB11403  Carex sartwelliana Breedlove, Dennis 1961-7-29 Riverside Fuller Mill Creek where it crosses Riverside Highway #1; San Jacinto Mountains 1645 Comment
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Jun 2 2013
  POM47442  Carex senta Mary F. Spencer 1919-7-6 1263 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mountains. 2378 Comment
  SEINET11249257  Carex spissa Steven R. Hill, Andrew C. Sanders 2001-1 Riverside Comment
  RSA561889  Carex triquetra Steve Boyd, Timothy S. Ross 1992-6-10 7640 -A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondito., 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
  UC1922343  Carya illinoinensis R. E. Riefner Jr. 2007-6-16 07 -258 Riverside City of Hemet, Lake St. at Florida Ave. (Hwy. 74). Comment
  UCR41641  Castela emoryi A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6041 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  RSA525278  Castilleja affinis Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4592 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  RSA305817  Castilleja angustifolia James R. Shevock 1971-5-8 1041 Riverside Near Skull Rock, Joshua Tree National Monument. 1220 Comment
  POM11505  Castilleja applegatei subsp. martinii Philip A. Munz 1922-7-7 6036 Riverside Above Tamarrack Valley. 2927 Comment
  RSA0099992  Castilleja applegatei subsp. martinii Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8577 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  UC1537443  Castilleja exserta Gordon H. True Jr. 1935-3-14 100 Riverside near Gavilan Peak; Gavilan Hills 609 Comment
  POM259615  Castilleja foliolosa P. A. Munz 1940-3-17 15598 Riverside Dripping Springs, southern Riverside Co. Comment
  RSA652577  Castilleja foliolosa Jeanne Bellemin 1969-5-24 s.n. Riverside Banning to [Idyllwild]. 976 Comment
  RSA706  Castilleja linariifolia J. T. Howell 1927-8-1 526 Riverside Mission Creek, Colorado Desert. 610 Comment
  RSA783631  Castilleja martinii J. D. Olmsted 1962-5-3 3527 Riverside Along road from Santa Rosa Indian Reservation to old village, etc. At first canyon crossing to SW side. 1555 Comment
  UC885469  Castilleja minor subsp. spiralis I. W. Clokey and E. G. Anderson 1935-8-21 6902 Riverside North Fork San Jacinto River 1500 Comment
  UCSC000664  Castilleja minor subsp. spiralis I. J. Condit 2010-6-24 s.n. Riverside along stream stream - San Jacinto River Comment
  SD227769  Catalpa bignonioides A. C. Sanders, K. C. Rose 1999-6-18 22800 Riverside Skinner/Domenigoni Area: French Valley, E Side of Washington Ave. 1/2 ile S of Rawson Rd. 438 Comment
  UCR126987  Catalpa bignonioides A. C. Sanders, Guy Bruyea 2003-6-12 26892 Riverside Perris-Aguanga Basin Region, Winchester, SE side of town between Simpson Ave. and Olive Ave., east of Hwy 79/Winchester Rd. 450 Comment
  UCR4416  Caulanthus cooperi Frank C. Vasek 1960-3-24 600324- 29 Riverside Santa Rosa Mtns., Palms-to-Pines Highway, 4.8 miles east of Pinyon Flat [near Dos Palmas Spring] at a long wide turnoff on north side of road 1067 Comment
  UC64614  Caulanthus hallii H. M. Hall 1899-5-23 1165 Riverside Coyote Canyon San Jacinto Mountains, El Toro Mt.; El Toro Mt., Coyote Canyon, San Jacinto Mts. 1524 Comment
  RSA531125  Caulanthus heterophyllus Robert Gustafson 1983-4-18 2504 Riverside Clinton Keith Road, about 3 miles from its junction with Hwy. 15, eastern slopes of the Santa Ana Mts. 457 Comment
  UCD114538  Caulanthus heterophyllus Virginia Moran 2003-3-26 s.n. Riverside Peninsular Range: Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and W of Wilson Creek. 854 Comment
  UCR108998  Caulanthus heterophyllus D. L. Banks 1997-3-29 1558 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
  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
  UC64615  Caulanthus simulans H. M. Hall May 17, 1901-Jun 1, 1901 Riverside Coahuilla , summit Nigger Jim Hill 1524 Comment
  UCR86710  Caulanthus simulans Jeri Hirshberg 1995-5-30 s.n. Riverside San Jacinto Mtns, Edge of Bonita Vista Rd. about 1 mi west of intersection with Apple Canyon Road. 1585 Comment
  UC455343  Ceanothus cordulatus I. J. Condit 1910-6-23 Riverside San Jacinto Mt. 2743 Comment
  RSA500063  Ceanothus crassifolius Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3246 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 426 Comment
  UC1071027  Ceanothus crassifolius R. St. John 1930-3-16 106 Riverside Lakeview Mountains 609 Comment
  UCR132233  Ceanothus crassifolius A. C. Sanders, T. B. Salvato 2004-2-16 27395 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, summit of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 451 Comment
  POM13800  Ceanothus cuneatus P. A. Munz 1922-4-30 5132 Riverside Tuscalota Creek, south of Hemet. Comment
  UCR241215  Ceanothus cuneatus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 53 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, east fork of Hathaway Canyon 945 Comment
  RSA289813  Ceanothus greggii var. perplexans Barry A. Prigge 1980-8-12 3924 Riverside San Bernardino Mountains, Whitewater Canyon: 1.5 miles upstream from trout farm. 808 Comment
  RSA720438  Ceanothus greggii var. perplexans Naomi Fraga, Tim Thibault 2006-5-16 1669 Riverside ca. 2.5 miles up Morris Ranch Road near its intersection with a locked FS road west of Goff Flat. 1585 Comment
  RSA77718  Ceanothus greggii var. perplexans F. W. Peirson 1922-5-20 735 Riverside Hemet Valley, San Jacinto Mountains 1448 Comment
  UC1070690  Ceanothus greggii var. perplexans A. E. Wieslander 1929-4-2 52 Riverside n slope San Jacinto Mts. San Jacinto quad. 1371 Comment
  POM254854  Ceanothus integerrimus var. californicus W. Pequegnat 1940-7-1 s.n. Riverside Santiago Peak. 1735 Comment
  CAS-BOT-BC51274  Ceanothus leucodermis C. L. Hitchcock; C. V. Muhlick 1964-3-17 23109 Riverside 10 mi. N. of Pala, on road to Elsinore Comment
  POM49159  Ceanothus leucodermis P. A. Munz 1924-5-18 8144 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  RSA399768  Ceanothus leucodermis H. de Forest, Jack Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 602 Comment
  UCD112269  Ceanothus leucodermis R. S. Woglum 1941-6-12 3058 A Riverside Idylwild. Comment
  RSA570223  Ceanothus ophiochilus Steve Boyd, Tim S. Ross 1993-3-23 7892 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
  SJSU15170  Ceanothus ophiochilus Steve Boyd, Tim Ross & Laurel Arnseth 1989-3-31 3097 Riverside Vail Lake area 1 mi W of Lake 624 Comment
  UC1071378  Ceanothus spinosus A. Lewis May 1934 408 Riverside San Juan Canyon Cleveland National Forest, Elsinore Quadrangle Comment
  RSA678975  Ceanothus tomentosus Scott D. White, Michael Honer 2003-6-3 9452 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  CAS-BOT-BC63257  Ceanothus tomentosus subsp. olivaceus Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-29 3931 Riverside Vail Lake area, summit of 'Big' Oak Mtn., n. of lake. 822 Comment
  UCR114952  Ceanothus tomentosus subsp. olivaceus D. E. Bramlet 1999-4-10 2733 Riverside Bachelor Mountain, along the dirt road to Bachelor Mtn., plateau some 305 m east of the peak, 1.48 km north of Lake Skinner. 738 Comment
  RSA180281  Ceanothus tomentosus var. olivaceus E. W. Lathrop 1965-3-30 5592 Riverside 16 miles west of Murrieta. Comment
  SD99587  Celtis reticulata Wayne P. Armstrong 1977-11-19 Riverside Ao mile up canyoin above Gilman Ranch House 853 Comment
  CLARK-A1656-841  Cenchrus echinatus Jon Mark Stewart 1983-10-24 83-46 Riverside Palm Desert 60 Comment
  UC30938  Centaurea melitensis Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Comment
  CLARK-A1045-865  Centaurium venustum George K. Helmkamp 1978-6-1 #2 Riverside Santa Ana Mountains off of De Luz Road near [southeast of] Mesa de Burro; ; Murrieta 7.5'Q 487 Comment
  RSA289807  Centaurium venustum Barry A. Prigge 1980-8-12 3938 Riverside San Bernardino Mountains, Whitewater Canyon: 0.7 mile WNW of trout farm. 720 Comment
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Jan 14 2010
  JEPS106969  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 3 Riverside Hemet, S of CA-74 and W of Warren Road Comment
  UC1746510  Centromadia pungens subsp. laevis A. C. Sanders, K. C. Rose 1999-6-18 22816 Riverside between Hwy 79 (Winchester Rd.) and Scott Rd. upper Warm Springs Creek; Domenigoni Valley; upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester 433 Comment
  UCR91863  Cerastium glomeratum A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18116 Riverside San Bernardino Mtns, Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats 1100 Comment
  JOTR30769  Cercocarpus betuloides var. betuloides La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1884 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  UCR183179  Cercocarpus betuloides var. betuloides Mitch Provance 2003-5-5 4412 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  CSUSB1368  Cercocarpus minutiflorus Oscar F. Clarke, Andrew C. Sanders, D. Vossler 1975-7-23 Riverside Santa Ana Mountains Santa Ana Mountains, west of Murrieta on the side of a canyon along Tenaja Road, at elevation 1800 feet (just below Mesa De Burro). 548 Comment
  UCD130219  Chaenactis artemisiifolia B. Pitzer; A. C. Sanders 1987-4-21 499 Riverside Box Springs Mtns, near southernmost radio towers. 792 Comment
  UCR281244  Chaenactis artemisiifolia Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 73 Riverside Temescal Valley, North side of Concordia Ranch Rd., slopes just east of Black Powder Rd. 393 Comment
  CAS-BOT-BC276377  Chaenactis carphoclinia S. B. Parish 1916-5-15 10838 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  UCSB7217  Chaenactis carphoclinia Yokoyama, Howard 1953-3-21 Riverside 9 miles east of Indio Comment
  JOTR34311  Chaenactis carphoclinia var. carphoclinia Andre, Jim 2012-4-11 20726 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  JOTR37716  Chaenactis carphoclinia var. carphoclinia Hodges, Stephen R., L. Ashfield 2016-1-20 647 Riverside Joshua Tree National Park. Eagle Mountains, south of Black Eagle Mine road, near eastern park boundary. Rocky hills and slopes with desert pavement. Comment
  POM351665  Chaenactis carphoclinia var. carphoclinia M. B. Dunkle 1935-4-17 4558 Riverside W. of Wiley Well. Colorado Desert. Comment
  RSA457778  Chaenactis carphoclinia var. carphoclinia Steve Boyd, S. Meury, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2210 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  SD49375  Chaenactis carphoclinia var. carphoclinia Thomas W. Whitaker 1958-4-30 Riverside Box Canon, midway between Mecca and Shaver Well. Comment
  SD8910  Chaenactis carphoclinia var. carphoclinia S. B. Parish, W. F. Parish April 1882 1 Riverside Agua Caliente [now Palm Springs] Comment
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Jul 16 2010
  UCR41555  Chaenactis carphoclinia var. carphoclinia A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6110 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  JEPS9002  Chaenactis fremontii Dr. L. M. Newlon 1922-1-1 424 Riverside 6 mi w of Indian Wells Comment
  POM351695  Chaenactis fremontii N. C. Cooper 1944-4-23 1122 Riverside Banning 701 Comment
  POM351702  Chaenactis fremontii Howard Mullins 1931-4-11 s.n. Riverside Palm Springs. Comment
  POM6569  Chaenactis fremontii Philip A. Munz, L. T. Street, Williams 1919-3-28 2464 Riverside San Gorgonio Pass, between Whitewater and Cabazon. Comment
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Mar 13 2011
  RSA760821  Chaenactis fremontii Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-3-30 108 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  RSA770880  Chaenactis glabriuscula Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4603 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCSB9501  Chaenactis glabriuscula Newby, Ron 1959-5-16 Riverside 12 miles S. on highway to Idyllwild from Banning along roadside; in the San Jacinto Mts. Comment
  CAS-BOT-BC277411  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-4-19 1707 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road Comment
  POM351764  Chaenactis glabriuscula var. glabriuscula Ora M. Clark 1929-3-16 1691 Riverside South of Cabazon, Colorado Desert. Comment
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Mar 13 2011
  RSA586728  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Steve Boyd 1995-5-17 0450 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  UC63012  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1903-4-1 3851 Riverside vicinity of Riverside 457 Comment
  RSA711221  Chaenactis glabriuscula var. lanosa A. C. Sanders 2004-4-9 27470 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side. 473 Comment
  JEPS8889  Chaenactis stevioides E. E. Schellenger 1920-5-1 Riverside canon e of Coachella; Colorado Desert Comment
  UCR240510  Chamaesyce abramsiana Tim Thomas 2012-9-2 5876 Riverside Sonoran (Colorado) Desert, west-northwest of Blythe, 8.4 mi north of Hwy I-10, just west of Black Creek Road 171 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
  SBBG4020  Chamaesyce micromera H. and M. Dearing 1936-12-25 946 Riverside Thousand Palms Cyn Comment
  SEINET3228135  Chamaesyce micromera G. Rink, T. Thomas and K. Routson 2012-9-2 11658 Riverside McCoy Solar Power Plant (proposed) about 10 miles northwest of Blythe 170 Comment
  RSA444789  Chamaesyce polycarpa J. C. Roos 1965-6-23 s.n. Riverside Cactus City, on I 10, 25 miles east of Indio. Comment
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May 21 2011
  RSA433503B  Chamaesyce polycarpa Martha Hilend 1928-4-8 165 Riverside Lake Elsinore, about 3 miles west of lake. Comment
  RSA432469A  Chamaesyce polycarpa var. hirtella Christopher Davidson 1979-4-4 7680 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca 213 Comment
  RSA444791  Chamaesyce setiloba J. C. Roos 1958-9-28 s.n. Riverside Pinyon Flats, Santa Rosa Mtns. 1220 Comment
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Apr 3 2011
  RSA592456  Chamaesyce setiloba L. C. Wheeler 1966-10-15 8983 Riverside San Jacinto Mountains. By Black Hill, by Pines to Palms Highway. 976 Comment
  UCR80727  Chamelaucium uncinatum Steve Boyd 1989-4-14 3248 Riverside Peninsular Range, W side Hwy 15, 0.5 mi. south of Rainbow Exit, south of Temecula Comment
  UCR145566  Cheilanthes clevelandii Robert Whittaker, W. A. Niering 1963-6-2 SJ- 172 Riverside San Jacinto Mountains, Mountain Center to Hemet Hwy 1128 Comment
  RSA0093765  Cheilanthes covillei Duncan S. Bell 2015-9-30 8690 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  RSA774115  Cheilanthes covillei Duncan S. Bell, Colleen Wheeler 2010-7-19 1626 Riverside San Bernardino National Forest: Garner Valley, trail to Tool Box Spring, approximately 3.1 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1440 Comment
  UC729539  Cheilanthes covillei Carl B. Wolf 1932-5-24 3646 Riverside 1/2 mi below fish hatchery Snow Creek Canyon; N Base San Jacinto Mts 548 Comment
  UCR163400  Cheilanthes covillei O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  UCR20821  Cheilanthes newberryi A. C. Sanders, Steve Boyd 1980-5-2 00959 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  POM9747  Cheilanthes parryi Philip A. Munz 1921-12-31 4700 Riverside Andreas Canyon. Comment
  UC337871  Cheilanthes viscida J. G. Lemmon and wife May 1888 Riverside San Gorgonio Pass; San Jacinto Mts Comment
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Mar 3 2008
  RSA667299  Chenopodium Mitch Provance 2000-12-10 2284 Riverside Jilberto s Mexican Restaurant, c. 0.5 miles west of Hwy 215 on University Ave. 299 Comment
  RSA554284  Chenopodium album Scott D. White 1992-2-25 92 -12 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  SEINET238511  Chenopodium album A. C. Sanders, Mitch Provance 2000-10-16 23722 Riverside Riverside: railroad right of way between Watkins Dr. and Campus View Dr. near site of Lemona siding. 335 Comment
  UCR280934  Chenopodium album Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-2 617- 04 Riverside Temescal Valley, Horsethief Canyon Wash, S. side of I-15, vicinity of De Palma Rd. 378 Comment
  UCR101395  Chenopodium berlandieri A. C. Sanders, K. C. Rose 1998-9-29 22242 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  SD146308  Chenopodium murale Mitch Provance 2000-1-8 1802 Riverside Jurupa Mountains: Jurupa Mountains Cultural Center, 0.25 mile southeast of peak 1411. 289 Comment
  SEINET3364747 Image available Chenopodium murale Dave Silverman, Onkar Singh 2010-3-25 7847 Riverside Sonoran (Colorado) Desert; Palo Verde Mesa, 220 m east of Black Creek Rd, 6.6 km west of McCoy Wash, and 8.2 km north of I-10 160 Comment
  CLARK-A1528-2280  Chilopsis linearis John C. Roos 1952-6-21 5783 Riverside San Timoteo Canyon Comment
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Oct 22 2014
  UCR111993  Chilopsis linearis A. C. Sanders, T. B. Salvato 2000-4-27 23374 Riverside Coachella Valley, east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 15 Comment
  POM17773  Chilopsis linearis subsp. arcuata P. A. Munz, R. D. Harwood 1923-6-29 7304 Riverside Aguanga. Comment
  POM15199  Chimaphila menziesii Mary F. Spencer 1927-6-27 1972 Riverside Tahquitz trail, Idyllwild. 1829 Comment
  JEPS58874  Chimaphila umbellata Carl V. Meyer 1928-6-14 451 Riverside canyon near Saunder's Meadow (San Jacinto Mt.); San Jacinto Mt. 1737 Comment
  CAS-BOT-BC526877  Chloracantha spinosa D. E. Bramlet 2006-8-11 4046 Riverside Perris-Aguanga Basin Region; San Jacinto Valley:, W of Hemet at Hemet--Ryan Airport 458 Comment
  CAS-BOT-BC39668  Chorispora tenella D. Bramlet 1993-3-20 2296 Riverside 5.6 km west of Hemet, 671 m. south of the intersection of Florida Ave. and Warren Road. The site is alongside Warren Rd. 457 Comment
  CAS-BOT-BC191705  Chorizanthe brevicornu var. brevicornu Geo. B. Grant 1906-4-20 6715 Riverside Palms Springs Comment
  RSA392612  Chorizanthe brevicornu var. brevicornu Christopher Davidson 1973-4-19 1978 Riverside Joshua Tree Natl. Monument, ca 4 mi. E of Split Rock, ca 1.5 mi S of park entrance. 1220 Comment
  UCR20757  Chorizanthe brevicornu var. brevicornu A. C. Sanders, J. Zabriskie, Steve Boyd 1980-4-17 1324 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UC472756  Chorizanthe brevicornu var. brevicornu Mary F. Spencer 1918-3-25 Riverside Colorado Desert Comment
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Jun 12 2012
  UCR278090  Chorizanthe coriacea Tim Searl 2011-6-4 s.n. Riverside Gavilan Hills, Kamlin Mission Church property, c. 5.7 miles west of Perris and c. 0.5 mile west of Steele Valley 686 Comment
  CLARK-A1528-728  Chorizanthe fimbriata Robert Eaton 1968-5-13 680513-7 Riverside Sandia Canyon Comment
  UCR59533  Chorizanthe fimbriata Steve Boyd, L. Arnseth, T. S. Ross 1989-6-4 3620 Riverside Vail Lake, Sandy benches of Kolb Creek drainage, south of Hwy 79 488 Comment
  UCR26535  Chorizanthe fimbriata var. fimbriata A. C. Sanders, S. Hagopian 1981-5-20 2134 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  SD136789  Chorizanthe leptotheca Steve Boyd 1986-4-19 1706 Riverside Temescal Canyon, east side of Indian Wash between I-15 & Temescal Canyon Road, open sandy areas Comment
  UCR217653  Chorizanthe leptotheca Karyn L. Drennen, Kim Sparks 2010-6-7 10 Riverside Palomar Mountains foothills, Southwest of Durasno Valley, 5 km north-northeast of Beauty Peak, 1.07 km east of Bonny Lane and 10m north of Bowers Road. 1374 Comment
  UCD99807  Chorizanthe parryi A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-8 24183 Riverside Perris-Aguanga Basin Region: S of Hemet, E end of Diamond Valley, ca. 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  JEPS100434  Chorizanthe parryi var. parryi Dean W. Taylor 2003-5-6 18526 Riverside 1.15 mi NNE of Cabazon, along access road paralleling powerlines 640 Comment
  RSA339658  Chorizanthe parryi var. parryi Robert F. Thorne, Tilforth 1980-5-28 54226 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  SBBG122006  Chorizanthe parryi var. parryi A. Parikh, N. Gale 2004-6-7 763 Riverside W side of Smith Crk, 2.3 km NE of Highland Springs, 1.3 km W of Banning Bench/Bluff Street 1084 Comment
  CAS-BOT-BC257784  Chorizanthe polygonoides var. longispina A. C. Sanders; T. B. Salvato 2011-4-4 38973 Riverside Peninsular Range: Warm Springs Valley, 0.4 mi. WNW (276 deg. ) of intersection of Collier Ave. & Riverside Dr./Hwy 74, NE of Baker St. 387 Comment
  UCR250562  Chorizanthe polygonoides var. longispina A. C. Sanders 2014-4-18 41026 Riverside Peninsular Range, Temescal Canyon, hills along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, c. 100 m south of I-15 401 Comment
  UCR91227  Chorizanthe polygonoides var. longispina D. E. Bramlet 1995-4-25 2395 Riverside Shipley Reserve/SE corner of Lake Skinner Co. Park, within and beside the Equestrian Trail, south of the Tucalota Hills and approximately 702 m SE of the park entrance road and 610 m north of East Benton Road, just SW of knoll 1800 ft 524 Comment
  LA206561  Chorizanthe xanti S. Beller; 1926-4-20 sn Riverside Palm Springs Comment
  LA206564  Chorizanthe xanti L. Haines; L. Erickson 1937-4-11 sn Riverside Morongo Valley Comment
  UCR23263  Chorizanthe xanti var. leucotheca J. C. Lyman 1981-5-22 s.n. Riverside San Jacinto Mountains, east side of Mt. San Jacinto, [Tahquitz Creek Canyon] 1220 Comment
  UCR109475  Chrysothamnus paniculatus A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19656 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, east of VAMB Captain 534 Comment
  JOTR01247  Chrysothamnus teretifolius Cole, James E. 1941-10-20 929 Riverside Joshua Tree National Park. OPTIMIST MINE ROAD, LOST HORSE VALLEY 1310 Comment
  UCD103880  Chylismia claviformis R. L. Smith 1948-3-24 s.n. Riverside Foot of Andreas Canyon. Comment
  UCR262284  Cirsium occidentale var. coulteri A. C. Sanders 2006-5-13 32277 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CAS-BOT-BC286457  Cirsium scariosum Scott D. White 1997-5-18 5164 Riverside San Jacinto Mts. Vista Grande Area: Just W of USFS Vista Grande Fire Station (i.e., Hwy 243 ca. 10 road miles SE of Banning) 1500 Comment
  RSA191739  Cistanthe monandra R. F. Thorne 1963-3-29 32420 Riverside 9 miles E of Mecca, Mecca Hills 152 Comment
  UCR16585  Cistus incanus Karen Cook 1966-5-12 s.n. Riverside San Jacinto Mtns, 10 ft. from water station, 1/4 mi west of Strawberry Creek on Hwy from Hemet to Idyllwild Comment
  RSA0123671  Cladium californicum Duncan S. Bell, Andrew Chambers 2016-12-21 10218 Riverside The Dos Palmas Preserve area, at the southern end of the Orocopia Mountains, and at the northeastern section of the Salton Sea. -25 Comment
  CAS-BOT-BC172423  Clarkia bottae Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Mts., San Juan Canyon, Highway 74 60 Comment
  UCR1639  Clarkia dudleyana R. G. Barber 1962-5-12 98 Riverside Box Springs Mtns., top of Box Spring Mountain, near (south of) the main gorge [Big Springs Canyon] on the W side of the mountain 915 Comment
  RSA740636  Clarkia purpurea Scott D. White, Justin M. Wood 2008-6-18 12212 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  UCR232073  Clarkia purpurea John F. Green 2008-4-24 16- 03 Riverside Peninsular Range; SE Gavilan Hills, Lake Elsinore, west of Hwy 74 453 Comment
  JEPS1949 Image available Clarkia purpurea subsp. quadrivulnera H. M. Hall 1905-6-3 6240 Riverside vicinity Riverside (e base of mountain); Box Springs Mt.; Eastern base of Box Springs Mt., vicinty of Riverside 533 Comment
  CAS-BOT-BC163865  Clarkia purpurea subsp. quadrivulnera Edmund C. Jaeger 1921-6-14 s.n. Riverside [MacMullen] McMullen Trail, San Jacinto Mts. 1280 Comment
  CLARK-A1045-67  Clarkia similis George K. Helmkamp 1978-5-18 Riverside San Jacinto Mountains along State Highway 243 [vicinity of Mountain Center?]; in chaparral; ; Idyllwild 15'Q 1219 Comment
  RSA783234  Claytonia perfoliata J. D. Olmsted 1962-5-2 3470 Riverside 20 degree N slope along Banning-Idyllwild Road 1159 Comment
  CAS-BOT-BC91330  Clematis lasiantha Elisabeth Norland 1941-12-2 11198 Riverside Santa Ana Mountains, Main Divide Motorway. Comment
  RSA748817  Clematis lasiantha G. Gust, L. Nye 2005-3-12 559 Riverside Cleveland National Forest. Hwy 74 W of lower San Juan Picnic Area at pullout W side of Santa Ana Mtn. Range. 495 Comment
  CAS-BOT-BC92827  Clematis pauciflora Milo S. Baker 1928-4-3 2825 b Riverside Tahquitz Canon [Canyon]. Comment
  JOTR35465  Coleogyne ramosissima Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 68 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop4) Comment
  RSA699997  Collinsia bicolor Jeanne Paxton 1934-4-15 s.n. Riverside Hagador Canyon Comment
  CHSC108882  Collinsia concolor Duncan S. Bell; Valentin Arvizu 2010-5-10 983 Riverside Peninsular Ranges; San Jacinto Mountains region: San Bernardino National Forest: Garner Valley, approximately 1.4 air miles southeast of junction of forest service road 6S13 and forest service road 6S04. 1365 Comment
  POM19573  Collinsia concolor Mary F. Spencer 1923-6-9 2166 Riverside In Idyllwild. 1646 Comment
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Oct 22 2011
  SD143712  Collinsia concolor Andy C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20667 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
  UCR193125  Collinsia concolor A. C. Sanders, Tim Thomas 2008-6-20 35534 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA543957  Collinsia heterophylla Steve D. Boyd, Orlando Mistretta 1991-5-9 6188 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  RSA674620  Collinsia heterophylla Scott D. White, Sandra Leatherman 2000-5-31 7976 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  RSA343114  Collinsia heterophylla var. heterophylla Robert F. Thorne, Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60661 Riverside Santa Rosa Plateau: at edge of Cleveland National Forest. 610 Comment
  JEPS13822  Colubrina californica Marjorie D. Clary 1935-11-17 2568 Riverside three mi e Mecca-Blythe Road; SE Colorado Desert, southeast slope of Eagle Mountains Comment
  SBBG104074  Colubrina californica A. C. Sanders, E. J. Lawlor 1992-4-4 12112 Riverside within 0.5 mi of McCoy Spring, to the S above the spring and above for, ca. 200 m 243 Comment
  RSA736756  Conium maculatum Scott D. White, Lynn Stafford 2007-6-27 11748 Riverside Santa Ana River floodplain just below Prado Dam. 134 Comment
  UCR207186  Conium maculatum O. F. Clarke 2003-6-24 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR77686  Convolvulus simulans Steve Boyd 1991-5-20 6268 Riverside Peninsular Range, Temescal Canyon, south flank of Alberhill Mtn, W end adjacent to old clay mine area. 427 Comment
  UCR243564  Coreopsis bigelovii Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21096 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
  RSA0051769  Coreopsis bigelovii A. Lee Haines 1973-3-24 s.n. Riverside Whitewater River Canyon. 548 Comment
  HSC5411  Coreopsis californica C. L. Hitchcock, C. V. Muhlick 1964-3-22 23262 Riverside W end of Pinto Basin, Joshua Tree National Monument. Comment
  UC31266  Corethrogyne filaginifolia H. M. Hall 1901-7-26 2530 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley Comment
  UC895237  Corethrogyne filaginifolia I. W. Clokey and E. G. Anderson 1935-8-21 6961 Riverside e Keen Post Office; Hillside 1350 Comment
  RSA716107  Corethrogyne filaginifolia var. filaginifolia M. Wall 2006-10-8 420 Riverside South Fork San Jacinto River east of Hemet along Hwy 74 past Cranston Ranger Station. Just off the highway towards the river. 638 Comment
  CDA19738  Corethrogyne filaginifolia var. virgata H. R. Leach 1958-9-12 s.n. Riverside Southern California; River Valley. 0 Comment
  RSA586870  Cotula australis D. L. Banks, Steve Boyd 1995-5-3 0289 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  SDSU12244  Cotula australis Lara Tikkanen, Taxonomy of California Plants class, M. G. Simpson, instructor 2000-4-1 4 Riverside Comment
  RSA198953  Crassula aquatica R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37460 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  UCR111067  Crassula aquatica D. E. Bramlet 1998-4-21 2601 Riverside maintenance road adjacent to (east of) the MWD canal & approximately 488m north from the canal crossing at the existing weather station, 701 m east of Hwy 79 and 1.22 km south of Holland Road, 50m west of the Shipley Reserve. 450 Comment
  CAS-BOT-BC181571  Crossosoma bigelovii Elizabeth H. Daniels 1932-3-8 s.n. Riverside Mission Canyon, just south of Morongo Valley, 10 miles north of Whitewater, sotuh base of Little San Bernardino Mountains Comment
  POM118203  Crossosoma bigelovii Theodore Labouchere 1915-4-15 s.n. Riverside Borders of the Colorado Desert on the easterly side of San Jacinto Mountain, in the lower Sonoran Zone. Comment
  POM91962  Crossosoma bigelovii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  LA211610  Croton californicus Mark A. Elvin; 1998-5-12 857 Riverside Along Santa Ana River between Colton and Riverside. 271.0 Comment
  RSA651889  Croton californicus David B. Dunn 1948-3-14 s.n. Riverside 5 mi. west of Thousand Palms. Comment
  RSA651891  Croton californicus Marion P. Harthill 1971-3-19 10 Riverside Palm Desert. Comment
  RSA772018  Croton californicus Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4952 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
  SD80025  Croton californicus Nancy R. Zabriskie, Walter Zabriskie 1970-3-29 279 Riverside Andreas Canyon Club Gate on South Palm Canyon Drive, Palm Springs. 170 Comment
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Apr 17 2011
  SEINET7863222 Image available Croton californicus J. Andre, G. L. Clifton 2011-2-22 17471 Riverside Coachella Valley; just south of Hwy I-10 at Amtrak train station parking , just west of N. Indian Cyn Drive. 7.5' Quad: Desert Hot Springs. 186 Comment
  UCR131532  Croton californicus Jennie Phui 1998-5-30 021 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, mouth of Lion Canyon, 0.5-2 miles up Lion Canyon road north of I-10 Fwy 549 Comment
  RSA480571  Croton californicus var. mohavensis G. R. Johnstone 1929-11-28 s.n. Riverside 20 miles from Palm Springs 244 Comment
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Nov 11 2011
  SEINET12141357  Croton californicus var. mohavensis I. W. Clokey 1935-1 6726 Riverside E of Mecca 200 Comment
  RSA588595  Crypsis schoenoides D. L. Banks, Steve Boyd 1995-10-17 806 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns to the E, just W of the Metasedimentary hills. 524 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
  RSA27465  Cryptantha angustifolia I. L. Wiggins 1941-3-24 9574 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar. Comment
  RSA234106  Cryptantha barbigera R. F. Thorne, R. Carolin 1967-3-21 41636 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  SD247612  Cryptantha barbigera J. Mark Porter, Leigh A. Johnson 1997-3-10 11465 Riverside Whitewater Canyon, ca. 1 mi. N of Whitewater (along Interstate 10). 473 Comment
  JOTR33979  Cryptantha barbigera var. barbigera La Doux, Tasha, M. Harding 2010-4-7 2867 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
  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
  HSC85290  Cryptantha clevelandii Steve Boyd 1986-5-1 1797 Riverside SW Perris Basin, Hill W of Skunk Hollow, Skunk Hollow vernal pool Comment
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Oct 2 2012
  UCR180142  Cryptantha corollata Mitch Provance 2003-4-26 9901 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR276381  Cryptantha costata Jim Andre 2015-4-23 32749 Riverside Sonoran (Colorado) Desert, Rice Valley; along Rice-Midland Rd., 3.1 miles south of Hwy 62, eastern end of Arica Mountains 253 Comment
  RSA0078964  Cryptantha cycloptera Theo Glenn 1992-3-31 92 -8 Riverside Colorado Desert. North side Of Eagle Mountains, Storm Jade Mine. Comment
  RSA0079341  Cryptantha cycloptera Lyman Benson 1933-3-31 4169 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  UCR127962  Cryptantha decipiens A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16212 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
  UCR41545  Cryptantha decipiens A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6086 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  CAS-BOT-BC218760  Cryptantha holoptera John Thomas Howell 1928-3-24 3529 Riverside Painted Canyon, Colorado Desert Comment
  CAS-BOT-BC168489  Cryptantha intermedia A. C. Sanders; Seung-Chul Kim; Plant Taxonomy Class 2005-5-7 30040 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  RSA499723  Cryptantha intermedia W. P. Burger 1979-4-28 64 Riverside Along Carancho Road, just past where stream crosses road, Hidden Valley. 366 Comment
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Jan 11 2016
  RSA523959  Cryptantha intermedia G. H. True 1935-2-20 3 Riverside Box Springs, Sycamore Canyon. 366 Comment
  RSA732138  Cryptantha intermedia J. Andre 2006-4-6 8148 Riverside Joshua Tree National Park: approx 50 m N. of Keys View Parking area. 1553 Comment
  SD181669  Cryptantha intermedia Scott D. White, Tasha La Doux 2000-4-20 7679 Riverside Gibbel Flat in the Santa Rosa Hills. 609 Comment
  UCR241818  Cryptantha intermedia A. C. Sanders, Timothy W. Chumley 2013-4-2 40750 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., above I-15 Fwy, SE of Corona (Lee) Lake 396 Comment
  RSA782530  Cryptantha intermedia var. intermedia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38373 Riverside southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg ) of intersection of I-15 and Lake St. 465 Comment
  RSA0075620  Cryptantha intermedia var. johnstonii Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  RSA524410  Cryptantha maritima Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4102 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
  RSA770987  Cryptantha maritima J. Andre, T. La Doux 2009-2-25 10809 Riverside Chuckwalla Mountains: approx. 0.5 miles south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UC665862  Cryptantha maritima Ira L. Wiggins 1941-3-24 9579 Riverside 2.7 mi s Mortmar (along e side of Salton sea); Salton Sea Comment
  UCR244860  Cryptantha maritima Jim Andre 2012-3-19 21381 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  UCR245655  Cryptantha maritima Duncan S. Bell 2010-4-1 673 Riverside Sonoran (Colorado) Desert, Arica Mountains; west side of Rice Valley, c. 1.2 air miles east of AT & SF railway line, c. 4.2 air miles east of Priest Well and c. 4.3 air mi. SE of the ghost town of Rice 208 Comment
  UCR281023  Cryptantha maritima Fred M. Roberts 2016-3-5 8001 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
  SDSU18693  Cryptantha maritima var. maritima Kristen Hasenstab, M. G. Simpson 2008-4-1 56 Riverside Joshua Tree National Park. 0.80 miles along trail to Mastodon Peak, from Cottonwood Springs Campground when approachind Mastodon Peak from the North portion of the trail. 948 Comment
  SDSU21879  Cryptantha maritima var. maritima Kristen Hasenstab, M. G. Simpson 2008-4-1 47 Riverside In Fan Canyon, just inside the boundary for Joshua Tree National Park. Located in a wide desert wash. 640 Comment
  UC1063822  Cryptantha micrantha H. S. Yates 1937-3-23 6394 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  RSA499652  Cryptantha micrantha var. lepida Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA388332  Cryptantha microstachys Steve Boyd 1986-5-7 1832 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. [Gavilan Hills] Comment
  RSA525346  Cryptantha microstachys Steve Boyd, A. Sanders, Mark Skinner 1990-4-28 4443 Riverside Vail Lake area, summit of Big Oak Mtn, N of lake 762 Comment
  UCR108854  Cryptantha microstachys Heidi A. Haid 1968-5-14 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR120824  Cryptantha microstachys Ian G. Gillespie 2000-4-27 29 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 30 m south of DePalma Road 412 Comment
  UCR138755  Cryptantha microstachys Scott D. White 1997-5-18 5181 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  UCR173926  Cryptantha microstachys A. C. Sanders 2006-5-19 32441 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
  UCR241245  Cryptantha microstachys Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 503 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UCR48382  Cryptantha microstachys Steve Boyd 1986-5-7 1832 Riverside Temescal Canyon, Alberhill Mountain: lower slopes of S flank just east of clay mine area 427 Comment
  UCR177651  Cryptantha muricata 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 1189 Comment
  RSA0119988  Cryptantha muricata var. denticulata Duncan S. Bell, Thomas Stoughton 2016-4-13 9264 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  OBI66287  Cryptantha nevadensis LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1450 Riverside Colorado Desert; Chocolate-Chuckwalla Mts region; Corn Springs campground in the Chuckwalla Mts. cyn SW of campground. UTMs 3721895N, 355238E; and UTM 3720669N, 654757e 549 Comment
  RSA480005  Cryptantha nevadensis Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2138 Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  UCR102700  Cryptantha nevadensis B. G. Pitzer 1998-1-24 3383 .1 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  RSA0124031  Cryptantha nevadensis var. nevadensis Duncan S. Bell, LeRoy Gross 2016-3-10 8876 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  JOTR30308  Cryptantha pterocarya La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1741 Riverside Joshua Tree National Park. Stop 2: Near sand hill in Pinto Basin 538 Comment
  UCD120018  Cryptantha pterocarya William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR52021  Cryptantha pterocarya var. cycloptera Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2182 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  SEINET8731259 Image available Cryptantha racemosa Lewis S. Rose 1938-1 38338 Riverside 12 mi. sw. of Cathedral City. Palms to Pines Highway, San Jacinto Mts. 457 Comment
  CLARK-A1045-121  Cryptantha utahensis George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  JOTR31065  Cryptantha utahensis La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2047 Riverside Joshua Tree National Park. Little San Bernardino Mountains; STOP 4: west side of Quail Mountain region, just below ridge line on steep loose slopes, mostly north facing, with boulder outcrops Comment
  CLARK-A1528-427  Cucurbita palmata Charlotte Stocks 1964-8-15 Riverside La Quinta Comment
  RSA264579  Cucurbita palmata C. W. Tilforth, John Dourley, W. Wisura 1977-5-19 s.n. Riverside Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road [Midland Rd]. 266 Comment
  SD187394  Cucurbita palmata R. E. Riefner Jr. 2006-8-2 06 349 Riverside Lakeview Mountains, vicinity of Alicante Dr. at Jamawag Rd., north of Leon Rd. 550 Comment
  UCR174374  Cuscuta californica A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32622 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 591 Comment
  UCR262232  Cuscuta californica T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3713 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  RSA575835  Cuscuta ceanothi Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of 'Estelle Creek' and Temescal Creek, just northwest of the entrenched meander of Temescal Creek at the western base of Estelle Mountain. 317 Comment
  UCR103779  Cuscuta pentagona Scott D. White 1994-10-21 2505 Riverside Temecula Valley, Murrieta Creek channel downstream from Santa Gertrudis Creek confluence. south of bridge at Winchester; north of Long Valley Rd. 305 Comment
  UCR22026  Cylindropuntia californica var. parkeri Steve Boyd 1980-5-11 222 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  UCR99777  Cylindropuntia californica var. parkeri Jon P. Rebman, A. Salywon 1997-3-21 3833 Riverside Peninsular Range, along Hwy 371, 2.7 mi SW of junction with Hwy 74 1170 Comment
  RSA0083603  Cylindropuntia chuckwallensis Marc Baker, Michelle Cloud-Hughes 2012-4-9 17536 Riverside North side of Chuckwalla Mountains, 1.7 km NNE of Chuckwalla Spring, 57 km west of Blythe. 500 Comment
  JOTR32385  Cynodon dactylon La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2491 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  RSA708075  Cynodon dactylon Scott D. White, Angelia Carey 2004-4-16 10167 Riverside Indian Creek and adjacent slopes. 549 Comment
  RSA666643  Cyperus difformis A. C. Sanders 2001-12-22 24891 Riverside Perris-Aguanga Basin: Perris, south side of Mildred St. between Redlands Ave. and Ruby St. 436 Comment
  UC303942  Cyperus eragrostis Crawford and Johnston 1917-6-9 15 Riverside Santa Ana R. at Corona; Santa Ana R. Comment
  RSA593988  Cyperus involucratus Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 949 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
  RSA639265  Cyperus involucratus Robert F. Thorne 1965-4-4 41861 Riverside San Jacinto Mountains: Tahquitz Falls, Taquitz Canyon.. . Comment
  UCR92351  Cyperus odoratus Scott D. White, S. Ogg 1994-10-17 2460 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  UCR115345  Cyrtomium falcatum A. C. Sanders, Steve Boyd 2000-11-30 23727 Riverside San Bernardino Valley/ upper Santa Ana River region, Riverside; Box Springs Mtns. foothills, Box Springs Canyon above Sheriff's Academy, north of Central Ave. 396 Comment
  OBI13258  Dalea mollis Lewis S. Rose 1959-1-10 59007 Riverside La Quinta 15 Comment
  SEINET4034479  Dalea mollis Bigelow, Foster; Cazier 1968-1 sn Riverside 3 mi. south of Rice. Comment
  RSA404179  Dalea mollissima Anstruther Davidson 1922-3-1 3484 Riverside Palm Springs Comment
  OBI43206  Datisca glomerata Hal Royaltey 1970-5-15 Riverside 9 mi from De Luz on Murrieta-Fallbrook rd Comment
  UCR167369  Datura discolor John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR242716  Datura discolor A. C. Sanders, T. B. Salvato 2012-10-12 40433 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  SEINET5765990 Image available Datura quercifolia A. C. Sanders 1984-10-18 5337 Riverside Riverside: residence of O. F. Clarke, 1012 Spruce St.; cultivated plants and weeds on 3 1/2 acres of former orange orchard. 1000 Comment
  UCR112807  Daucus pusillus A. C. Sanders 1997-5-1 20621 Riverside Lake Skinner area, along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  UCR116675  Daucus pusillus A. C. Sanders, Carolyn Washburn 2001-5-10 24239 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  UCR167419  Daucus pusillus 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
  CAS-BOT-BC294118  Deinandra kelloggii Mary F. Spencer 1919-6-17 1192 Riverside In San Jacinto 304 Comment
  CAS-BOT-BC131036  Deinandra paniculata Mrs. J. D. Abrams 1901-5-20 2 Riverside Elsinore Comment
  RSA0098342  Deinandra paniculata Marc A. Baker, Danny Cuellar, Chris Taylor, Paul Roberge, Cecile Shohet, Youssef Atallah 2015-7-3 18378 Riverside 1.8 km south of San Timoteo Wash, 15 km SE of central San Bernardino, 35m south of the San Bernardino County line. 491 Comment
  JEPS86542  Delphinium cardinale Roy E. Buck 1988-5-28 910 Riverside e-facing slope above CA Hwy 74 near top of grade W of Lake Elsinore (ca 2.0 air km nw of confluence of Harlan Canyon and Johnson Canyon drainages, 7 air km w of Lake Elsinore (town)); Elsinore Mountains 780 Comment
  SDSU10031  Delphinium cardinale Thomas Zink 1971-7-1 Riverside Along a side road off Indian Canyon Rd. in Temescal Canyon. 305 Comment
  RSA68780  Delphinium parishii F. W. Peirson 1928-4-24 7897 Riverside Cottonwood Springs, northern Colorado Desert Comment
  CAS-BOT-BC7987  Delphinium parishii subsp. parishii Philip Alexander Munz; Percy C. Everett 1952-5-2 16240 Riverside Morongo Wash, n.w. end of Coachella Valley 457 Comment
  RSA0018983  Delphinium parishii subsp. parishii I. M. Johnston 1917-4-4 s.n. Riverside Near Palm Springs. Comment
  SD129281  Delphinium parryi Ed LaRue May 1989 Riverside Hills E of Beaumont, along Potrero Creek, I(c) mi. E of Old San Jacinto Nuevo Y Potrero land grant 701 Comment
  UCR193923  Delphinium parryi A. C. Sanders, Mitch Provance 2008-7-11 35786 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
  RSA387359  Delphinium parryi Steve Boyd 1986-4-19 1712 Riverside Temescal Canyon Temescal Canyon: flats at SE end of Alberhill Mtn. 396 Comment
  RSA0020472  Delphinium parryi subsp. parryi P. A. Munz, Street, Williams 1919-3-28 2369 Riverside San Gorgonio Pass, near Banning 701 Comment
  RSA784544  Delphinium patens subsp. hepaticoideum J. D. Olmsted 1959-5-13 627 Riverside Drainage area to Santa Ana River: Beacon Pines Ranch on Spring Trail, 100 yd below Main Divide T.T. 823 Comment
  UC1126383  Dendromecon rigida A. Lewis 1934-3-4 306 Riverside Tin Mine Canyon Cleveland National Forest, Corona Quadrangle Comment
  UCR92239  Dendromecon rigida D. L. Banks, Steve Boyd 1995-5-3 0197 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
  CAS-BOT-BC198171  Deschampsia danthonioides Robert F. Thorne; Earl Lathrop 1969-5-12 37950 Riverside Mesa de Colorado, Rancho, Santa Rosa Plateau 624 Comment
  RSA754134  Deschampsia elongata W. Schlegel, Andrew Troutte 2008-8-8 10 Riverside Idyllwild: Dry creek bed. Comment
  RSA801940  Deschampsia elongata LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6170 Riverside End of Apela Drive, west end of Strawberry Valley. And south of road (5S24) that runs out to the sewage disposal ponds. Collections are between this road, and Strawberry Creek., Basically ridge north of Strawberry Creek and creek north of this ridge, south of road. This draw drains into Strawberry Creek. 1524 Comment
  RSA740249  Descurainia obtusa subsp. adenophora Scott D. White, Justin M. Wood 2008-7-8 12386 Riverside Johnson Meadow. 1439 Comment
  RSA771759  Descurainia pinnata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4636 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA161341  Descurainia pinnata subsp. glabra P. H. Raven 1958-3-16 1185 Riverside outwash plain below Cottonwood Springs, Joshua Tree National Monument. Comment
  RSA799237  Descurainia pinnata subsp. glabra Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 745 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
  RSA741111  Descurainia sophia Scott D. White, Justin M. Wood 2008-6-17 12161 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UCR165608  Dicentra chrysantha T. B. Salvato, John F. Green 2004-5-27 704 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
  UCR213853  Dicentra chrysantha Scott D. White, Justin M. Wood 2009-5-22 12920 Riverside San Jacinto Mountains, Halfway Spring, accessed via Old Control Road 1159 Comment
  UCR116472  Dichelostemma capitatum A. C. Sanders, T. B. Salvato 2001-3-30 23869 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  SEINET3218913 Image available Dichelostemma capitatum subsp. capitatum Marc Mittleman 1982-5-25 Riverside Gentry Experimental Farm, Los Alamos Road, Murrieta. 366 Comment
  CSUSB26  Dichelostemma pulchellum Karen Cook 1966-2-22 Riverside University of California, Riverside (UCR) campus. 200 yards southeast of intersection of street leading to agriculture buildings. 304 Comment
  RSA501045A  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3166 A Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  POM356429  Dicoria canescens L. E. Hoffman 1932-11-26 17094 Riverside Beaumont - Banning Pass [San Gorgorino Pass] Comment
  RSA11409  Dicoria canescens P. A. Munz 1921-12-31 4705 Riverside Between Palm Springs & Whitewater. Comment
  SEINET9347382  Dicoria canescens Unknown 1976-10-15 Riverside Riverside Comment
  UC68944  Dieteria asteroides var. asteroides H. M. Hall 1905-4-1 5920 Riverside Paloverde Valley Colorado Desert, Paloverde Valley 91 Comment
  CAS-BOT-BC209014  Digitaria sanguinalis Mary F. Spencer 1919-7-6 1265 Riverside Lacquitz Meadow, San Jacinto Mts. 2377 Comment
  SEINET8345725  Diplacus bigelovii Unknown 1938-5-15 9546 Riverside Cottonwood Springs Canyon. Comment
  CAS-BOT-BC150929  Diplacus bigelovii var. bigelovii H. M. Hall 1905-5-1 6011 Riverside Cottonwood Springs 670 Comment
  SBBG25088  Diplacus bigelovii var. bigelovii D. Myrick 1966-4-5 1384 Riverside near S entrance of Joshua Tree Nat Monument Comment
  SEINET222285  Diplacus fremontii B. Ertter, J. Strachan 1979-1 2989 Riverside Banning-Idyllwild Rd (Hwy 243) at Black Mt turnoff (Forest Rd 4Sol), San Jacinto Mts Comment
  SD245482  Diplacus puniceus Robert Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49535 Riverside Santa Ana Moutains: Along Ortega Highway (74). Comment
  RSA562484  Distichlis spicata Steve Boyd, Timothy S. Ross 1992-5-5 7252 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  UCR116656  Distichlis spicata A. C. Sanders, Carolyn Washburn 2001-5-10 24244 Riverside Perris-Aguanga Basin, San Jacinto River Valley, south side of intersection of Sanderson Ave. and Ramona Blvd., c. 4 mi. NW of San Jacinto 445 Comment
  UCR42396  Ditaxis californica J. M. Stewart 1986-1-26 86- 7 Riverside Sonoran (Colorado) Desert, NE side of Mecca Hills 305 Comment
  POM87299  Ditaxis claryana Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  JOTR33807  Ditaxis lanceolata La Doux, Tasha, B. Truesdell 2007-11-9 3324 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park, open bajada below mouth of Lost Palms Canyon (STOP 2) 601 Comment
  LA204866  Ditaxis lanceolata Theodore Labouchere; April 1915 204 Riverside borders of the Colorado desert along the E base of San Jacinto Mountain, not far from Palm Springs Comment
  RSA421607  Ditaxis lanceolata Christopher Davidson 1979-4-4 7736 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  JOTR29580  Ditaxis neomexicana Andre, Jim 2006-4-6 6693 Riverside Joshua Tree National Park. Wilson Canyon, along Pinto Basin Rd 865 Comment
  RSA0002643  Ditaxis serrata var. californica H. M. Hall 1905-04 5796 Riverside Marshall Canon, 7 miles west of Coachella. (north base of El Toro Mountain, not on label from Zoe) 30 Comment
  UC1126910  Dithyrea californica H. S. Yates 1936-4-2 5419 Riverside near Palm Springs; San Jacinto Quadrangle 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
  UC673301  Dithyrea californica Margaret Stason 1927-2-12 Riverside 1000 Palms, n end of Colorado Desert Colorado Desert Comment
  UCR124633  Dithyrea californica B. C. Templeton, I. W. Clokey 1930-4-9 1075 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  RSA5472  Dodecatheon alpinum subsp. majus Carl B. Wolf 1932-8-5 s.n. Riverside On trail from Tahquitz Valley to San Jacinto Peak; head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  RSA593782  Draba cuneifolia Jeri Hirshberg 1995-5-19 278 Riverside San Jacinto Mountains, Garner Valley. Comment
  UCR22108  Draba cuneifolia Steve Boyd 1980-5-15 271 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  POM160111  Draba cuneifolia var. integrifolia E. C. Jaeger 1927-3-23 s.n. Riverside Beal's Wall, Colorado Desert Comment
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Apr 16 2017
  RSA773169  Draba verna Duncan S. Bell, Valentin Arvizu 2010-5-24 1108 Riverside San Bernardino National Forest: Garner Valley, approximately 3.4 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1385 Comment
  POM212327  Drymocallis glandulosa Carl B. Wolf 1931-5-11 1961 Riverside San Jacinto Mountains: rocky places near Pipe Creek, above Hemet Valley 1677 Comment
  CAS-BOT-BC159630  Drymocallis glandulosa var. glandulosa Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  UC1979668  Dryopteris arguta Darin L. Banks, Steve Boyd 1995-2-16 51 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., S of the Dripping Springs Alcove, E of the Woodchuck Trail. 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-BC411417  Dudleya lanceolata Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  JEPS2563 Image available Dudleya lanceolata W. L. Jepson 1903-8-6 2285 Riverside Spruce Canyon San Jacinto Mts.; Spruce Canyon, San Jacinto Mts., Southern Calif. 1310 Comment
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Sep 5 2011
  UCR156282  Dudleya lanceolata T. B. Salvato, Kent Beaman 2005-5-16 826 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
  UCR16119  Dudleya saxosa B. A. Carlson 1978-4-30 s.n. Riverside Santa Rosa Mtns, 5 mi. south of Palm Desert, east of Hwy 74 396 Comment
  JEPS49888  Dudleya saxosa subsp. aloides W. L. Jepson 1901-5-22 1349 Riverside s Hemet Valley (Palm Canyon and return to Van Deventer's) Comment
  LA104955  Dudleya saxosa subsp. aloides Kei Nakai; 1980-12-25 688 Riverside San Jacinto Mountains, 4.0 mi. W of Mountain Center on S side of Hwy 74 1219 Comment
  RSA397782  Dudleya saxosa subsp. aloides Jack Rempel 1933-3-26 17583 Riverside Near Morongo Valley. Comment
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Jun 14 2012
  UC933328  Dudleya saxosa subsp. aloides Reid Moran 1941-5-4 835 Riverside Hidden Valley Joshua Tree National Monument 1280 Comment
  POM97998  Dyssodia porophylloides E. C. Jaeger 1926-3-26 s.n. Riverside Eagle Mts. Comment
  SEINET10447308  Echinocereus engelmannii A. Evans 1976-4-13 Evans 5172 Riverside Rocky slopes of santa rosa mtns. Comment
  UC277044  Echinocereus mojavensis E. C. Jaeger May 1921 Riverside Little San Bernardino Mts. , Keyer Ranch (Keyer Ranch) Comment
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Apr 4 2011
  UCR207263  Echinochloa colona O. F. Clarke 2005-9-13 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  SBBG129040  Echinochloa crus-galli D. Duguma 2013-7-7 Riverside Prado wetlands near Corona 155 Comment
  UCD60917  Echinochloa crus-galli F. M. Reed 1918-9-15 4012 Riverside Bluffs Ranch. Comment
  UCD61060  Echinochloa muricata var. microstachya H. S. Yates 1937-6-27 6707 Riverside San Jacinto, near Relief Hot Springs. 457 Comment
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Mar 13 2011
  RSA750102  Eichhornia crassipes R. E. Riefner 2009-2-25 9 -18 Riverside city of Lake Elsinore, south side of Temescal Wash, west of Hwy 74, vicinity of Bromley Ave. at Bennett St. 380 Comment
  UCR225740  Eichhornia crassipes A. C. Sanders, T. B. Salvato 2011-3-30 38888 Riverside Peninsular Range; Elsinore Trough, city of Lake Elsinore, pond on NE side of Baker St. near Bromley Ave. intersection, c. 0.2 km NW of Hwy 74/Riverside Dr. 383 Comment
  RSA234014  Elatine californica R. F. Thorne, E. W. Lathrop 1969-5-12 37921 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, Rancho California. 624 Comment
  UCR266608  Eleocharis acicularis Mitch Provance 2011-6-6 17002 Riverside Edgemont area of Moreno Valley, from the northbound I-215 onramp at Allesandro Blvd., east to Old 215 Frontage Rd. 466 Comment
  RSA706563  Eleocharis geniculata A. C. Sanders, P. J. MacKay, D. L. Sanders 2003-2-9 25686 Riverside Colorado Desert: Coachella Valley, 84th Avenue, east of Johnson St., near west edge of Salton Sea 67 Comment
  UCR82836  Eleocharis geniculata A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15815 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  UCR256087  Eleocharis macrostachya G. D. Wallace 2003-7-8 4032 Riverside Peninsular Range; San Jacinto Mountains, Hidden Lake 2652 Comment
  RSA356757  Eleocharis palustris Robert F. Thorne 1973-5-23 45536 Riverside Santa Rosa Plateau-Mesa De Colorado 609 Comment
  RSA741011  Eleocharis palustris Scott D. White, Justin M. Wood 2008-6-18 12228 Riverside K Flat Meadow. 1433 Comment
  RSA297080  Eleocharis radicans B. A. Prigge 1980-8-5 3845 Riverside Whitewater Canyon: 0.5 miles N of trout farm 701 Comment
  CAS-BOT-BC112270  Eleocharis rostellata W. R. Dudley 1903-12-26 s.n. Riverside Palm Springs Comment
  UCR123661  Eleusine indica A. C. Sanders 2001-9-23 24877 Riverside San Bernardino Valley region, Riverside, Castle Park in La Sierra, 91 Fwy at Polk St. 220 Comment
  CHSC36061  Elymus condensatus Paul Bailey 1972-5-14 126 Riverside 6 miles NE of Temecula near Rancho California Drive, Tucalota Hills. 457 Comment
  UCR133331  Elymus condensatus 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
  UCR182100  Elymus triticoides Tom Chester 2005-7-1 665 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Waterline Road, 0.53 miles (0.85 km) southwest of Visitor Center, at tributary to Cole Creek 535.1 Comment
  UCR207759  Elymus triticoides O. F. Clarke 2004-5-31 s.n. Riverside San Bernardino Valley Region, Riverside, along Spring Brook on the west side of Fairmont Park 238 Comment
  CHSC101910  Emmenanthe penduliflora Steve Boyd; Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10461 Riverside Peninsular Ranges, San Jacinto Mountains/Colorado Desert: east side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA543174  Emmenanthe penduliflora Steve Boyd, Mike Hammitt, Tim Ross 1991-5-2 6084 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
  RSA787984  Emmenanthe penduliflora L. M. Prince, Duncan S. Bell 2009-5-17 568 Riverside Cleveland National Forest. Roadside. 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
  JOTR16581  Encelia actoni Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  CAS-BOT-BC131317  Encelia farinosa Alice Eastwood 1913-4-30 s.n. Riverside Palm Springs Comment
  OBI2899  Encelia farinosa Lewis S. Rose 1967-12-19 67180 Riverside La Quinta 15 Comment
  RSA644109  Encelia farinosa Scott D. White 1995-3-30 2682 Riverside Moreno Valley; base of Badlands slopes, N of Highland Blvd. and W of Theodore St. 579 Comment
  UC809737  Encelia farinosa E. K. Balls 1949-4-2 12903 Riverside near Durmid (on Highway 111 and slopes toward Salton Sea); Colorado Desert -67 Comment
  UCR52234  Encelia farinosa Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2214 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  SEINET9290926  Encelia farinosa Unknown 1965-3-13 65 -111 Riverside Riverside Comment
  POM289849  Encelia farinosa var. farinosa Lyman Benson 1933-3-31 4157 Riverside US 66 [US 60], Palm Springs. Mt. Range San Jacinto. 305 Comment
  POM356679  Encelia farinosa var. farinosa E. A. McGregor 1964-3-24 s.n. Riverside Painted Canyon, S of Desert Center. Comment
  RSA171035  Encelia farinosa var. farinosa R. F. Thorne 1963-3-29 32434 Riverside Eagle Mountains, Pumping Station, S side of Eagle Mountains; ca. 12 miles W of Desert Center 533 Comment
  JEPS34101  Encelia frutescens W. L. Jepson Oct 22 1912-Nov 7 1912 5245 Riverside Riverside Mountains Colorado River, Riverside Mountains 45 Comment
  UCR147745  Encelia frutescens Steve Boyd, Et al. 2004-5-14 11263 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  UCR263222  Enchylaena tomentosa A. C. Sanders, T. B. Salvato 2015-7-22 41747 Riverside Peninsular Range, Riverside; former O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 361 Comment
  OBI7473  Ephedra californica Lewis S. Rose 1955-3-14 55028 Riverside Whitewater wash, 3 mi SE of Palm Springs Station 305 Comment
  RSA383879  Ephedra californica Claire Kibbe 1936-07 s.n. Riverside Palm Springs. Comment
  SBBG54310  Ephedra californica C. Gustafson 1977-4-7 5575 Riverside Whitewater Cyn Rd exit from Interstate 10, ca. 2.5 mi W of jct Interstate 10 with State 62 near start of Pacific Crest Trail 609 Comment
  UCR38700  Ephedra californica J. M. Stewart 1985-4-28 8516 Riverside Western Colorado Desert, Coachella Valley, along the north side of Hwy I-10, 1 mi west of Indian Ave. 244 Comment
  UCD84926  Ephedra trifurca Chuck Hughes 2010-3-21 198 b Riverside About 2.3 miles south of Highway 62, next to railroad tracks. 225 Comment
  NY70797  Ephedra viridis R. F. Thorne 1967-3-21 41639 Riverside Joshua Tree National Monument: Cottonwood Springs 914.4 Comment
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Oct 9 2010
  CAS-BOT-BC171725  Epilobium canum subsp. latifolium George L. Moxley 1932-1-1 s.n. Riverside Mt. San Jacinto Comment
  POM123232  Epilobium canum subsp. latifolium Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA38279  Epilobium canum subsp. latifolium P. A. Munz 1946-10-21 11587 Riverside Live Oak Tank, Joshua Tree National Monument. 1220 Comment
  RSA44860  Epilobium canum subsp. latifolium J. C. Roos, L. Roos 1947-11-1 3754 Riverside Eagle Mountains, Lost Palms Canyon. Comment
  RSA545236  Epilobium canum subsp. latifolium Robert F. Thorne 1970-10 41886 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  RSA588345  Epilobium canum subsp. latifolium N. C. Cooper 1943-9-11 922 Riverside San Jacinto Mountains, Below Idyllwild. 1372 Comment
  RSA741188  Epilobium densiflorum Scott D. White, Justin M. Wood 2008-6-16 12122 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  UCR14844  Epilobium densiflorum A. C. Sanders, O. F. Clarke, Dan Vossler 1975-7-23 439 Riverside Santa Ana Mtns., Santa Rosa Plateau, west of Murrieta, c. 1/2 mile west of large vernal pool on Mesa de Colorado. 610 Comment
  CLARK-A1528-7852  Epipactis gigantea John C. Roos 1948-5-15 3838 Riverside Eagle Mountains Comment
  RSA381725  Epipactis gigantea Joseph A. Ewan 1930-4-17 3051 Riverside Warners Ranch at Whitewater. 396 Comment
  RSA381727  Epipactis gigantea N. C. Cooper 1944-4-8 s.n. Riverside San Bernardino National Forest, San Jacinto Mountains: Andreas Canyon (near Palm Springs) 457 Comment
  SD28076  Epipactis gigantea Carl B. Wolf 1932-5-25 3662 Riverside North base of San Jacinto Mountains, mouth of east fork of Snow Creek Canyon. Rocks at water's edge. 671 Comment
  RSA684604  Equisetum laevigatum Norman C. Cooper 1944-4-8 1054 Riverside Andreas Canyon 305 Comment
  SD229010  Equisetum laevigatum Dick Schwenkmeyer 2012-6-27 754 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  UCR114926  Equisetum laevigatum L. C. Wheeler 1932-7-9 935 Riverside Santa Ana River at Chino Creek, (El Rincon) Corona 152 Comment
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Jul 22 2015
  JOTR29222  Eragrostis cilianensis La Doux, Tasha, Mike Bell 2005-9-15 1335 Riverside Joshua Tree National Park. Near Hidden Valley campground Comment
  CAS-BOT-BC204533  Eragrostis curvula S. Morgan 1992-7-27 92 -7 Riverside UCR campus. In the Latin American section of the UCR Botanical Garden; garden quad. F-4 Comment
  UCR90283  Eragrostis lehmanniana Scott D. White 1995-7-7 3451 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  UCR205985  Eragrostis mexicana Mike Misenhelter 2009-7-29 s.n. Riverside Peninsular Range/ San Bernardino Valley, Riverside; Arlington area, west side of Van Buren Blvd. at north side of Lincoln St., across from drive-in theater 259 Comment
  RSA678263  Eragrostis pectinacea var. pectinacea Valerie L. Soza, Steve Boyd, Neil Gilbert 2000-12-6 1064 -b Riverside Alongside Highway 74, ca. 1 mile west of junction with Highway 243 (Mountain Center). 1311 Comment
  RSA432730  Eremalche rotundifolia Anstruther Davidson 1930-5-27 s.n. Riverside 50 miles East of Colorado Desert Comment
  CHSC109246  Eremogone macradenia var. macradenia Scott D. White; Justin M. Wood 2008-6-17 12182 Riverside San Jacinto Mountains: Garner Valley-Kenworthy Station (USFS). Meadow and adjacent uplands. 1390 Comment
  GMDRC9796  Eremothera boothii subsp. condensata J. M. Andre 2017-3-1 37998 Riverside Orocopia Mountains: north end of range, near BLM Rd # 133, 3.5 mi. SE of Interstate 10 (at Box Cyn/Cottonwood Spring Rd exits). 606 Comment
  UC873994  Eremothera boothii subsp. condensata C. L. Hitchcock 1940-4-4 5954 Riverside Pinto Basin Comment
  RSA0026192  Eremothera chamaenerioides Jim Andre 2013-3-4 23872 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 miles west of Hwy 95, approx 12 miles south of Vidal Junction. 127 Comment
  JOTR35345  Eremothera refracta Harding, Mitzi, Mark Wheeler 2012-2-28 112 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; large northeast flowing canyon (Stop 5) 268 Comment
  UCD170707  Eremothera refracta LeRoy Gross 2005-2-17 1409 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of campground. 548 Comment
  UC52473  Eriastrum densifolium subsp. austromontanum H. M. Hall May 17 1901-Jun 1 1901 1861 Riverside San Jacinto Mt.; e base 762 Comment
  JOTR31165  Eriastrum eremicum subsp. eremicum La Doux, Tasha 2009-6-3 1871 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  RSA0118054  Eriastrum eremicum subsp. eremicum Sarah J. J. De Groot, Thomas Stoughton 2016-4-19 7800 Riverside Santa Rosa Mountains: Along Dunn Road between Haystack and Asbestos Mountains, east of Potrero Spring, near head of Dead Indian Creek. Southwest of Palm Desert and north of Highway 74 and Alpine Village. 1230 Comment
  UC727405  Eriastrum eremicum subsp. eremicum H. K. Wagnon 1944-5-30 411 Riverside Corner of Indian Ave and Ramon Road, Palm Springs. Comment
  RSA0120106  Eriastrum eremicum subsp. eremicum J. B. Feudge 1926-4-13 1365 Riverside Palm Springs, Colorado Desert. 152 Comment
  RSA0120674  Eriastrum harwoodii Duncan S. Bell 2011-4-7 2174 Riverside On the northeast side of the Arica mountains; approximately 2.2 air miles northwest of Priests Well, or approximately 4.5 air miles southwest of the ghost town of Rice. 359 Comment
  UC489044  Eriastrum sapphirinum C. V. Meyer Jun 1927 152 Riverside Temecula Comment
  UCR139612  Eriastrum sapphirinum A. C. Sanders 2004-7-1 28385 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., c. 5 miles due south of Sun City 488 Comment
  CAS-BOT-BC187906  Eriastrum sapphirinum subsp. dasyanthum Clare B. Hardham 1965-6-17 12950 Riverside Near Banning, San Jacinto Mountains Comment
  RSA0043246  Eriastrum sapphirinum subsp. dasyanthum N. C. Cooper 1944-7-15 1578 Riverside Banning. 701 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
  RSA0094097  Eriastrum sapphirinum subsp. sapphirinum Duncan S. Bell, Evan Meyer, Sonia Pena 2015-10-20 8723 Riverside Santa Rosa Mountains; approximately 0.75 air mile west of the summit of Santa Rosa Mountain. 2196 Comment
  CAS-BOT-BC515041  Eriastrum sapphirinum subsp. sapphirinum H. M. Hall 1901-8-1 2635 Riverside San Jacinto Mts., south side 1584 Comment
  SBBG8361  Ericameria brachylepis H. and M. Dearing 1940-11-10 5013 Riverside Whitewater Comment
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Jan 10 2018
  POM48338  Ericameria linearifolia E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  UC134761  Ericameria nauseosa var. hololeuca J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  UC729926  Ericameria nauseosa var. oreophila Carl B. Wolf 1932-7-18 Riverside Rancho Sanata Ana Botanic Garden Comment
  RSA180299  Ericameria palmeri var. pachylepis E. W. Lathrop 1965-10-24 6024 Riverside 8 miles W of Murrieta. 610 Comment
  UC322982  Ericameria palmeri var. pachylepis H. M. Hall 1927-10-23 12299 Riverside Murietta Comment
  UC415762  Ericameria palmeri var. pachylepis E. C. Jaeger 1921-11-15 Riverside Morongo Pass Comment
  RSA0098175  Ericameria pinifolia Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8565 Riverside Garner Valley; west side of the highway, approximately 3.75 air miles southeast of Lake Hemet. 1370 Comment
  SD229094  Ericameria pinifolia Dick Schwenkmeyer 2012-3-26 665 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
  SEINET10849697  Erigeron David B. Dunn 1947-9-21 Dunn 3513 Riverside Stream (Springs) bed, wet sand. Pushawalla Canyon. Comment
  UCR98178  Erigeron breweri Scott D. White 1993-5-29 1439 Riverside San Bernardino Mtns., Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1067 Comment
  UCSB26815  Erigeron foliosus Wilken, Dieter 1969-6-30 Riverside Santa Rosa Springs, Santa Rosa Mtns. 2377 Comment
  SEINET10935932  Eriodictyon crassifolium James S. Miller 1992-5-8 Miller 7453 Riverside 1 mi N of California route 74 on Main Divide Road; near NE border of Cleveland National Forest. 900 Comment
  UCSB10302  Eriodictyon crassifolium Gill, Robert 1960-3-23 Riverside Snow Canyon, near end of road; San Jacinto Mt. Range; Colorado Desert drainage area 563 Comment
  JEPS46  Eriodictyon crassifolium var. crassifolium W. L. Jepson May 17 1901-Jun 1 1901 1257 a Riverside San Jacinto River San Jacinto Valley (San Jacinto Valley); , San Jacinto River 487 Comment
  CAS-BOT-BC188970  Eriodictyon parryi Mrs. E. C. Van Dyke 1928-7-10 s.n. Riverside Near Idyllwild Comment
  JEPS64  Eriodictyon trichocalyx M. Clary 1934-5-13 Riverside Santa Rosa Mountains 1524 Comment
  UCD101513  Eriogonum Collector unknown 1971-6-9 578 Riverside Kingsbury Station. Comment
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May 5 2014
  CAS-BOT-BC248622  Eriogonum apiculatum Ralph Hoffmann 1929-9-7 s.n. Riverside Fullers Mill, San Jacinto Mts. Comment
  CAS-BOT-BC248629  Eriogonum apiculatum Philip A. Munz 1937-5-30 15110 Riverside Dos Palmos Spring, north end Santa Rosa Mts. 1097 Comment
  UC489082  Eriogonum apiculatum C. V. Meyer 1928-7-26 527 Riverside San Jacinto Mt. 2072 Comment
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Nov 12 2011
  SEINET6340536  Eriogonum davidsonii Richard Walker 1967-9-30 91 Riverside About 2 miles below Black Mountain Camp on north side of road embankment ca. 6ft. off. San Jacinto Mountains 1981 Comment
  RSA0108981  Eriogonum deflexum Duncan S. Bell, Amanda Bell 2012-1-29 3079 Riverside Arica Mountains; collecting in the center of the range, approximately 7 air miles southwest of the ghost town of Rice, or 2 air miles west of Priests Well. 438 Comment
  CAS-BOT-BC246439  Eriogonum deflexum var. deflexum S. B. P. 1912-10-11 8290 Riverside Caleb, Salton Sink, Colorado Desert Comment
  RSA517915  Eriogonum deflexum var. deflexum Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1333 Riverside Mecca Hills, Colorado Desert: Box Canyon, along Hwy 195. Comment
  RSA789366  Eriogonum fasciculatum Aaron C. Sedgwick, David Fraker 2012-3-28 42 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  SDSU6516  Eriogonum fasciculatum T. B. Bruhns 1966-6-30 278 Riverside Along road, South side of Lake Matthews. Comment
  UCR114808  Eriogonum fasciculatum Mitch Provance 1998-2-6 21 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.45 km south of the end of Savonia Dr. in Southridge, Fontana. Actual location of the collection just on the Riverside Co. side of the Riv. / S.B. county line. 351 Comment
  JOTR34388  Eriogonum fasciculatum var. flavoviride Andre, Jim 2012-4-16 20915 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  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
  CAS-BOT-BC250141  Eriogonum fasciculatum var. polifolium Carl B. Wolf 1932-5-24 3644 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1/2 mi. below fish hatchery 548 Comment
  JEPS56973  Eriogonum fasciculatum var. polifolium J. Ewan 1930-4-17 2193 Riverside near mouth of Snow Canyon Snow Canyon 609 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
  UCSB1429  Eriogonum gracile Munz, Philip; Johnston, D. 1928-9-12 Riverside Temescal Cyn Comment
  UCR272194  Eriogonum gracile var. gracile Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8566 Riverside San Jacinto Mountains, Garner Valley, west side of the hwy, c. 3.75 air miles southeast of Lake Hemet 1370 Comment
  RSA544324  Eriogonum gracile var. incultum Steve Boyd 1991-9-8 6432 Riverside Peninsular Range Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371. 600 Comment
  RSA735605  Eriogonum gracile var. incultum LeRoy Gross, Duncan S. Bell 2008-9-16 3583 Riverside Garner Valley. West side of, and close to Highway 74. Around 1/4 mile north from Ramona trailhead parking area. 1365 Comment
  HSC28439  Eriogonum inflatum Richard Spjut 1973-4-11 3293 Riverside Colorado Desert, N slopes of Chuckawalla Mtns. 3-4 mi. S of Desert Center 305 Comment
  RSA650879  Eriogonum inflatum Dick Crowell 1949-3-25 s.n. Riverside 15 miles east of Indio on Hwy 60. 1/2 mile off road. 457 Comment
  UCSB8541  Eriogonum inflatum Beeks, Richard 1952-4-5 Riverside 2.15 mi W of jct of US 60-US 70 and US 95 Comment
  POM305640  Eriogonum inflatum var. inflatum Henry J. Ramsey, Henry J. Ramsey 1937-3-2 859 Riverside Desert center, Mojave Desert Comment
  UCR35092  Eriogonum maculatum L. B. Ziegler 1967-6-8 149 Riverside San Jacinto Mtns., Pinyon Flats 1223 Comment
  RSA393696  Eriogonum molestum N. C. Cooper 1944-6-16 1558 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  SEINET5330787  Eriogonum molestum I. W. Clokey, E. G. Anderson 1935-8-21 6594 Riverside East of Keen Camp P.O. 1370 Comment
  JOTR35315  Eriogonum nudum var. pauciflorum Wheeler, Mark 2011-10-20 s.n. Riverside Joshua Tree National Park. just east of Inspiration Point, localized population in canyon 1620 Comment
  POM259198  Eriogonum nudum var. pauciflorum P. A. Munz 1938-8-13 15338 Riverside East of Santa Rosa Peak. 2378 Comment
  RSA424847  Eriogonum pusillum Emery M. Whilton 1937-3-22 s.n. Riverside Taken in the Chocolate Mountains, east slope, Coachella Valley. Comment
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Dec 18 2011
  SJSU8851  Eriogonum pusillum R. C. McGehee 1970-4-28 226 Riverside 0.5 mi S of Cottonwood Pass, Joshua Tree National Monument Comment
  UCR104041  Eriogonum pusillum George K. Helmkamp 1998-4-3 3066 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river 396 Comment
  RSA254045  Eriogonum reniforme Noel Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-23 6479 Riverside At south entrance to Joshua Tree National Monument, near I-10, 24 miles east of Indio. 549 Comment
  UCD80952  Eriogonum reniforme Chuck Hughes 2009-3-23 63 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  JOTR32353  Eriogonum saxatile La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2468 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
  RSA49363  Eriogonum thomasii P. A. Munz 1949-4-11 13002 Riverside Mojave Desert. Joshua Tree National Monument. Eastern end of Monument. 945 Comment
  RSA793413  Eriogonum thomasii Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3950 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  RSA796827  Eriogonum thomasii Jim Andre 2012-4-11 20784 Riverside Joshua Tree National Park; NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7 miles east of road to Cottonwood Spring (Utah Trail), 34 miles south of Highway 62 at 29 Palms. 730 Comment
  SJSU8836  Eriogonum thomasii R. C. McGehee 1970-4-15 196 Riverside Wileys Well c. 26 mi SW of Blythe Comment
  UCD101289  Eriogonum thomasii Geoffrey Levin 1975-4-5 470 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernardino Mountains. Salton Sink Drainage area. 60 Comment
  UCD101291  Eriogonum thomasii S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert; Salton Basin, 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas. 15 Comment
  UCR88122  Eriogonum thomasii A. C. Sanders, G. Nuhn 1995-4-20 16597 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  CAS-BOT-BC263590  Eriogonum trichopes Geo. B. Grant 1906-4-20 6719 Riverside Palm Springs Comment
  SD146182  Eriogonum trichopes Andy C. Sanders, T. B. Salvato 2000-4-27 23372 Riverside Coachella Valley; east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 14 Comment
  UC68585  Eriogonum trichopes L. A. Greata April 1905 389 Riverside Coachella Colorado Desert, Coachella Comment
  UCR3812  Eriogonum trichopes Frank C. Vasek 1964-4-12 640412- 05 Riverside Sonoran (Colorado) Desert, 29 Palms Road, 2.9 mi south of San Bernardino Co line, 1.5 mi from the junction with Rice Road Comment
  RSA420616  Eriogonum wrightii var. membranaceum E. A. McGregor 1963-11-6 68 -a Riverside Pines to Palms Hwy, between Palm Springs and Idyllwild. Comment
  UCR24325  Eriogonum wrightii var. nodosum John C. Roos 1943-10-16 2741 Riverside Southern Mojave Desert, Falcon Flats, Little San Bernardino Mtns 1524 Comment
  CAS-BOT-BC261933  Eriogonum wrightii var. subscaposum H. E. McMinn 1925-7-2 1505 Riverside Tahquitz Peak trail from Idylwild [Idyllwild], San Jacinto Mts Comment
  CAS-BOT-BC298481  Eriophyllum ambiguum var. paleaceum H. S. Yates 1937-3-24 6457 Riverside Deep Canyon 609 Comment
  UC62976  Eriophyllum ambiguum var. paleaceum S. B. Parish Apr 1 1896-Apr 10 1896 Riverside Palm Spring Colorado Desert, Palm Spring Comment
  CAS-BOT-BC297342  Eriophyllum confertiflorum H. K. Wagnon 1944-5-30 415 Riverside By Tahquitz Creek, Palm Springs 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
  UCR111771  Eriophyllum confertiflorum Mitch Provance 1998-3-17 223 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.5 km east of corner of Rorimer Dr. and Brenton St., on the E side of Armstrong Rd., in the Sunnyside area of Riverside. 366 Comment
  UCR260536  Eriophyllum confertiflorum T. B. Salvato 2014-5-29 8054 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  UCR90757  Eriophyllum confertiflorum Scott D. White 1995-4-5 2731 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  POM305809  Eriophyllum multicaule Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1050 Riverside Elsinore. Comment
  UCR51837  Eriophyllum multicaule M. B. Dunkle 1935-3-10 4355 Riverside Peninsular Range, Temescal Canyon 274 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
  RSA67309  Eriophyllum wallacei G. R. Campbell 1951-4-22 15999 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1371 Comment
  SDSU13540  Erodium botrys W. Miller with C. Mosse 1972-7-20 Riverside South border by Royal Oak Ranch, next to road. Comment
  UCR265820  Erodium botrys Mitch Provance 2012-5-24 512- 01 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
  JOTR16709  Erodium cicutarium Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  JOTR31878  Erodium cicutarium La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2132 Riverside Joshua Tree National Park. Little San Bernardino Mountains; steep, gravelly, southwest facing slope above fork of Fargo and Rockhouse Canyons Comment
  UCR177860  Erodium cicutarium Marisa Sripracha, K. A. Boyd 2004-3-21 042 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  RSA530207  Erysimum capitatum var. capitatum N. C. Cooper 1949-6-29 4341 Riverside Pine Cove, San Jacinto Mountains. 1829 Comment
  RSA0020245  Erythranthe floribunda P. A. Munz 1937-5-30 15095 Riverside North of Vandeventer Flat, Santa Rosa Mountain 1677 Comment
  RSA0019306  Erythranthe guttata Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 638 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA0019315  Erythranthe guttata Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  JOTR33757  Eschscholzia La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2755 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  POM9229  Eschscholzia californica var. peninsularis I. M. Johnston 1920-5-8 2271 Riverside Jurupa Mts, extreme west end. between Riverside and Ontario. Comment
  UCR214164  Eschscholzia glyptosperma T. B. Salvato 2010-4-20 4058 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  JEPS51695  Eschscholzia minutiflora W. L. Jepson 1927-4-12 11653 Riverside Painted Canyon Mecca Hills 76 Comment
  UCSB18762  Eschscholzia minutiflora Gates, C. 1963-5-5 Riverside State Highway 74; 5.5 miles E of Pinyon Flats Campground; western edge of Colorado Desert 883 Comment
  RSA0022946  Eschscholzia minutiflora Anstruther Davidson 1903-5-1 s.n. Riverside Thermal Comment
  SEINET12102699  Eschscholzia minutiflora Unknown 1936-1 12860 Riverside near Palm Springs Comment
  CAS-BOT-BC419638  Eschscholzia parishii C. L. Hitchcock 1940-3-29 5861 Riverside Cottonwood Canyon, ca. 100 yards east of Spring Comment
  CLARK-A1528-687  Eschscholzia parishii Fred B. Essig 1967-3-12 Riverside Joshua Tree National Park Comment
  JOTR28955  Eschscholzia parishii La Doux, Tasha 2005-3-30 1191 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  UCSB33607  Eschscholzia parishii Simmons, Karen 1979-3-25 Riverside 8.8 miles south-west of Hwy. 10; on Box Canyon Road 30 Comment
  SEINET10476299  Eschscholzia parishii David Charlton 1988-2-18 Charlton 1152 Riverside Alluvial Fan, S side of Little Sand Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree national Park, parallel to I-10. Creosote Bush Scrub. 5 mi. E of Jct. Dillon Rd. and Fargo Cyn. Rd. 762 Comment
  RSA0010854  Eucalyptus camaldulensis A. C. Sanders 1998-6-12 21982 Riverside UCR campus, in gravel among trailers in ''surge area'' (UCR trailer park) on east side of campus 335 Comment
  SDSU18406  Eucrypta chrysanthemifolia var. chrysanthemifolia C. Matt Guilliams 2008-2-27 481 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 407 Comment
  UCR91593  Eucrypta chrysanthemifolia var. chrysanthemifolia D. L. Banks, Steve Boyd 1995-4-5 159 Riverside Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, east of the Dripping Springs Trail, in the N flowing drainage that empties into Arroyo Seco. 549 Comment
  POM305588  Eucrypta micrantha Henry J. Ramsey, Henry J. Ramsey 1937-3-2 894 Riverside Blythe, Colorado River bluffs. Comment
  POM498192  Eucrypta micrantha Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  SBBG61339  Eulobus californicus M. N. Ackley 1928-3-10 734 Riverside Bridge Haven 426 Comment
  SD181547  Euphorbia Louis C. Wheeler 1945-10-6 6147 Riverside San Jacinto Mountains; 0.5 mile east of Ranger Peak. 1372 Comment
Read comments
Feb 17 2013
  JOTR32110  Euphorbia abramsiana Harding, Mitzi, Kipp Callahan 2012-8-27 285 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  RSA737258  Euphorbia maculata Scott D. White 2008-8-20 12536 Riverside Perris Basin: City of Moreno Valley, Perris Blvd. between Krameria and Oleander Streets. 445 Comment
  CLARK-A1528-2704  Euphorbia polycarpa John C. Roos 1952-4-9 5496 Riverside Riverside 335 Comment
  RSA278962  Euphorbia polycarpa var. hirtella B. A. Prigge, L. Martinez 1978-3-23 2407 Riverside NW Colorado Desert, Coachella Valley, 1.9 miles E of North Palm Springs on Dillon Rd. 243 Comment
  RSA48329  Euphorbia polycarpa var. hirtella E. K. Balls 1949-4-4 12965 Riverside between Durmid and Salton on Highway 111, Colorado Desert. 0 Comment
  RSA0015425  Euphorbia polycarpa var. polycarpa Marcus E. Jones 1929-9-16 s.n. Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  RSA432481A  Euphorbia polycarpa var. vestita B. C. Templeton, I. W. Clokey 1930-4-9 1013 Riverside North of Palm Springs. Colorado desert 400 Comment
  UCD142683  Euphorbia prostrata Louis C. Wheeler 1964-10-10 8634 Riverside 3030 Oak Ave., Corona. Comment
  UCR94886  Eustoma exaltatum G. R. Ballmer, K. T. Stockwell 1996-9-22 s.n. Riverside Murrieta, Warm Springs Creek, SE of Hogbacks 366 Comment
  HSC65735  Fagonia laevis B. A. Prigge, L. Martinez 1978-3-23 2428 Riverside NW Colorado Desert, 1.2 miles E of Sky Valley, near Dillon X Skyridge Roads. 335 Comment
  SBBG3962  Fagonia laevis H. and M. Dearing 1937-4-10 967 Riverside near Hayfield Comment
  OBI53020  Fagonia pachyacantha Kathleen Keil 1993-3-27 s.n. Riverside 18 mi W of Chiriaco Summit along I-10 Comment
  RSA784766  Fagonia pachyacantha Duncan S. Bell 2012-3-18 3170 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  RSA667079  Fatoua villosa A. C. Sanders, T. B. Salvato 2001-10-8 24878 Riverside Santa Ana River Valley region; Riverside, UCR Campus in old Citrus Expt. Station lath house near the intersection of S Campus Dr. and E. Campus Dr. just N of the reservoir. 351 Comment
  CLARK-A1528-4643  Festuca arundinacea John C. Roos 1950-4-15 4743 Riverside Riverside 259 Comment
  LA99030  Festuca myuros Walt Westman; A. Davis 1979-3-29 79 52 Riverside E Buttle of Double Butte, beyond E of Cortrite Ave, Homeland 548 Comment
  UCR90824  Festuca myuros A. C. Sanders, G. K. Helmkamp 1996-3-17 17989 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, mouth of Palm Canyon, c. 0.5 km east of Palm Canyon Dr. on Bogert trail 163 Comment
  UCR214287  Festuca octoflora A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37486 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  CDA5866  Flaveria trinervia Lew Davis 1977-12-15 Riverside 1 mile north of Freeway 91, west side of McKinley Street, Corona. 0 Comment
  RSA182257  Fouquieria splendens Robert F. Thorne, James Henrickson 1963-3-29 32440 Riverside Eagle Mountains, Pumping Station, S side of Eagle Mountains; ca. 12 miles W of Desert Center 534 Comment
  RSA308640  Fouquieria splendens Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3209 Riverside Near Indio. Comment
  POM244242  Frasera parryi Carl B. Wolf 1936-6-17 7963 Riverside Santa Ana Mts., Tenaja Road, North end of La Cienaga. 732 Comment
  RSA559330  Frasera parryi Steve Boyd, T. S. Ross 1992-5-15 7412 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
  UCD121443  Frasera parryi R. N. Raynor 1939-6-20 s.n. Riverside San Jacinto Mts. Near Coahuila. Comment
  POM13788  Fraxinus dipetala P. A. Munz, I. M. Johnston 1922-5-5 5149 Riverside Jack rabbit Trail, near Beaumont. 732 Comment
Read comments
Mar 21 2011
  UCR132719  Fraxinus uhdei A. C. Sanders, O. F. Clarke 1991-6-10 11131 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  RSA601077  Fraxinus velutina var. coriacea A. C. Sanders 1996-5-1 18133 Riverside San Bernardino Mtns: Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning 793 Comment
  UCR13755  Fraxinus velutina var. coriacea N. R. Zabriskie, W. W. Zabriskie 1972-5-22 544 Riverside Santa Rosa Mtns., Cactus Spring Trail crossing of Horsethief Creek, tributary to Deep Canyon, N slope Santa Rosa Mts. 1098 Comment
  RSA458585  Funastrum cynanchoides var. hartwegii A. Menke 1955-4-25 s.n. Riverside Mouth of Tahquitz Canyon, Palm Springs. Comment
  RSA776948  Funastrum hirtellum Amber Swanson 2011-3-19 241 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  SEINET188336  Funastrum hirtellum C. L. Hitchcock 1940-3-31 5886 Riverside Sandy desert. Between Cottonwood Spring and Pinto Basin. Comment
  UCR232391  Funastrum utahense Dave Silverman 2010-3-30 7886 B Riverside Sonoran (Colorado) Desert, East bajada flank of southern McCoy Mtns, 1 km west of Black Creek Rd, 7.8 km east of McCoy Peak, and 4.8 km N of I-10 165 Comment
  SD131983  Galium angustifolium Lauramay T. Dempster 1962-4-17 1890 Riverside Whitewater Canyon, about 1 mile below the Fish Hatchery. I and about dry wash in side canyon Comment
  JEPS56075  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-1-21 4177 Riverside Hwy 79 10.1 mi s Hemet (e-facing slope in hills) Comment
  RSA740626  Galium angustifolium subsp. angustifolium Scott D. White, Justin M. Wood 2008-7-8 12380 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  OBI69999  Galium angustifolium subsp. gabrielense David Charlton 1988-5-21 1912 Riverside Thomas Mountain Rd, from N to S. West of Garner Valley and S of Lake Hemet on hwy 74 1829 Comment
  RSA779947  Galium angustifolium subsp. gracillimum Duncan S. Bell, Jennifer Pilapil 2011-5-19 2477 Riverside A small side canyon off of Mission Creek canyon approximately 3.5 air miles up canyon from the junction of Highway 62 and Mission Creek Road; just northwest of gaging station. 795 Comment
  RSA751277  Galium porrigens var. porrigens A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35628 Riverside May Valley c. 1.25 mi SW of Fleming Ranch, mouth of nameless tributary NW of Herkey Crk., just north of Bonita Vista Rd. 1543 Comment
  JOTR35080  Galium stellatum La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3531 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  RSA735314  Galium stellatum var. eremicum Steve D. Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11268 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
  UCR109782  Gamochaeta pensylvanica R. D. Goeden, Don W. Ricker 1972-5-20 s.n. Riverside Riverside, UCR Campus, outside insectary building near Entomology 341 Comment
  JOTR30285  Garrya flavescens Bell, Mike, Kathleen White 2007-3-20 s.n. Riverside Joshua Tree National Park. Eureka Peak Comment
  UC489039  Garrya flavescens C. V. Meyer Jun 1927 183 Riverside Tahquitz Ridge; San Jacinto Mts. 1828 Comment
  UCR209592  Garrya flavescens Robert J. Steers, Stan C. Spencer, Matt Willis 2009-6-1 s.n. Riverside San Gorgonio Pass, near the town of Cabazon, west side of the San Gorgonio River on the Morongo Indian Reservation, c. 0.2 mi. WSW of the corner of Dailey Rd. and Sullivan Rd. 675 Comment
  UC484104  Garrya veatchii B. D. Stark 1930-3-18 Riverside Mt. San Jacinto Comment
  RSA752813  Gayophytum A. C. Sanders, Tim Thomas 2008-8-1 35932 Riverside Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  RSA597515  Gayophytum diffusum subsp. parviflorum Louis C. Wheeler 1945-10-6 6132 Riverside San Jacinto Mountains. Snow Creek and north fork San Jacinto River. 2378 Comment
  UCR103185  Gazania linearis Scott D. White, J. Greene 1997-3-12 4789 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  CDA5433  Geraea canescens T. C. Fuller 1961-1-1 5495 Riverside Frontage road, Thousand Palms. 0 Comment
  SBBG44596  Geraea canescens Leota Davidson 1966-4-3 229 Riverside below Washington Street overpass, Interstate 10, ca. 5.5 mi W of Indio Comment
  UCR260862  Gilia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41479 Riverside San Gorgonio Pass, 3.3 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 445 Comment
  RSA0047266  Gilia angelensis J. Mark Porter, Lauren E. Machen 1997-2-15 11425 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  RSA776210  Gilia angelensis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 862 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  RSA85116  Gilia angelensis J. C. Roos 1952-4-2 5460 Riverside Box Springs Comment
  SBBG47438  Gilia angelensis N. C. Cooper 1944-4-23 1100 Riverside Banning 701 Comment
  UCR97577  Gilia angelensis Scott D. White 1997-2-28 4723 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  SEINET6692563 Image available Gilia brevicula Norman C. Cooper 1944-6-17 1396 Riverside San Jacinto Mountains. Pine Cove. 1524 Comment
  POM10428  Gilia capitata subsp. abrotanifolia Reed s.n. Riverside Riverside. Comment
  SD137683  Gilia diegensis Darin L. Banks, Steve Boyd 1995-5-3 280 Riverside Cleveland National Forest, Agua Tibia Wilderness area. N slope of Agua Tibia Mtn, E of the Dripping Springs Alcove area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  SEINET3163624  Gilia latiflora G. B. Grant 1906-5-1 509 -6757 Riverside on Colorado Desert at Palm Springs, southern California Comment
  UC68760  Gilia latifolia H. M. Hall Apr., 1905 5850 Riverside Dos Palmas , Dos Palmas (Colorado Desert) 30 Comment
  UCR177330  Gilia maculata Scott D. White, Michael Honer 2003-5-13 9241 Riverside San Bernardino Mtns, Whitewater Canyon, c. 2 miles north of Bonnie Bell 640 Comment
  SEINET3087440 Image available Gilia ochroleuca subsp. exilis Andrew C. Sanders, B. Pitzer 1986-4-30 6475 Riverside San Jacinto Mtns.; lower Bee Canyon, 0.2 mi. above the mouth of the canyon. 610 Comment
  SEINET7063437  Gilia ochroleuca subsp. exilis A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage on the East Benton Road. Tucalota Hills. UTM Zone 11, 499122mE, 3715547mN. (WGS84/NAD83). 514 Comment
  RSA172305  Gilia stellata R. F. Thorne 1963-3-29 32414 Riverside 9 miles E of Mecca, Mecca Hills 152 Comment
  RSA469733  Gilia stellata M. B. Dunkle 1935-3-31 4446 Riverside N Cottonwood Springs. 762 Comment
  CAS-BOT-BC266539  Githopsis diffusa John Roos; Lucille Roos 1952-5-24 5710 Riverside N of Moreno 502 Comment
  UCR90762  Githopsis diffusa subsp. candida D. E. Bramlet 1995-4-26 2397 A Riverside Perris-Aguanga Basin, Shipley Multi-species Reserve, SW of Tucalota Creek 488 Comment
  UCR9401  Glyceria elata D. H. Wilken 1965-6-29 366 Riverside San Jacinto Mtns, Strawberry Meadows, near Idyllwild 1555 Comment
  UCR136272  Gnaphalium californicum A. C. Sanders 2004-4-20 27563 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR97752  Gnaphalium californicum A. C. Sanders 1997-3-1 19734 Riverside Box Springs Mountains, Pigeon Pass, canyon below Regulus Road, 0.6 mi. west of Pigeon Pass Road., 0.4 mi. east of Bench Mark 'Table' (2559 ft). 610 Comment
  UCR199722  Gnaphalium canescens Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10671 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
  RSA535472  Gnaphalium luteoalbum Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-2 6647 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
  CAS-BOT-BC499166  Gnaphalium palustre Mitch Provance 2011-6-6 17004 Riverside Edgemont area of Moreno Valley, from the northbound I-215 onramp at Allesandro Blvd., E to Old 215 Frontage Rd 466 Comment
  UCR266320  Gnaphalium palustre D. E. Bramlet 1991-6-1 2191 Riverside Peninsular Ranges; Perris-Aguanga Basin region, San Jacinto Valley, W Florida Ave. at EMWD canal 457 Comment
  UCR88566  Gnaphalium palustre A. C. Sanders, J. C. Lyman 1995-4-16 16567 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  UCR25554  Gnaphalium stramineum John C. Roos 1941-4-25 158 Riverside Plateau in Reche Canyon Comment
  RSA0004480  Godetia quadrivulnera var. hallii H. M. Hall 1905-06 6241 Riverside East base Box Springs Mt. 610 Comment
  RSA736534  Gossypium Michael Denslow 2004-2-1 1906 Riverside North of Blythe; along Hwy 95, just south of Main Canal on west side of road. 76 Comment
  RSA162744  Guillenia lasiophylla John Olmsted 1958-3-29 69 Riverside Transiton zone with NE drainage towards the Pinto Basin. Near intersection of Cottonwood Pass and Cottonwood Spring roads, 8 miles N of Souther entrance to Joshua Tree National Monument. 915 Comment
  CDA6175  Gutierrezia californica T. C. Fuller 1958-9-23 2197 Riverside R. 79, 2 miles west of Aguanga. 0 Comment
  RSA715264  Gutierrezia californica T. B. Salvato, Gregg Miller 2005-6-3 1381 Riverside ca 3 mi SW of Perris, 1.7 mi SW of the Goetz Road crossing of the San Jacinto River and ca 0.25 mi S of Ethanac Road 436 Comment
  RSA741736  Gutierrezia californica Michael Wall 2008-10-3 491 Riverside Bautista Creek, east of Hemet off Bautista Canyon Rd. ca. 7 miles east of jct. with Fairview Ave. 758 Comment
  UC55119  Gutierrezia californica H. M. Hall Apr 1903 3799 Riverside vicinity Riverside 396 Comment
  UCR250366  Gutierrezia californica A. C. Sanders 2014-4-25 41072 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  RSA486456  Gutierrezia sarothrae Richard Noyes, L. Arnseth 1988-10-30 760 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  UC1118605  Gutierrezia sarothrae A. Lewis 1934-5-1 459 Riverside Leach Canyon Cleveland National Forest, Elsinore Quadrangle Comment
  UC1509680  Gutierrezia sarothrae Meredith A. Lane 1982-10-13 3027 Riverside 34.5 km (21.6 mi) e of Keen Camp (summit of San Jacinto Mountains on State Highway 74 at Pinyon Flats Campground); San Jacinto Mountains, State Highway 74 Comment
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Nov 20 2010
  UC32187  Gutierrezia sarothrae H. M. Hall 1901-6-1 Riverside Temescal Wash Comment
  UCR109456  Haplopappus acradenius A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19659 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, east of VAMB Captain 534 Comment
  CLARK-A1528-233  Haplopappus palmeri Oscar F. Clarke 1969-10-14 Riverside University of California Comment
  UCR48339  Harpagonella palmeri Steve Boyd 1986-3-9 1399 Riverside Peninsular Range, Temescal Canyon, between Indian Truck Trail & Horsethief Wash 367 Comment
  POM172319  Hazardia squarrosa var. grindelioides M. French Gilman 1930-10 5 Riverside Banning Comment
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Mar 13 2011
  RSA713800  Hedera canariensis A. C. Sanders 2001-4-4 23910 Riverside Riverside: UCR campus; fence north of greenhouses SE of Boyce Hall, ca. 50 m west of E Campus Dr. 348 Comment
  UCR155153  Hedypnois cretica A. C. Sanders, Kelly Volansky 2005-3-17 29210 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
  UCR175066  Hedypnois cretica Teresa Nieto 2005-4-24 13 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  CAS-BOT-BC211542  Helianthemum scoparium A. C. Sanders; Mike Misenhelter 2005-3-23 29272 Riverside Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd., Wildomar 7.5' Q, Santa Ana Mts. 701 Comment
  POM320325  Helianthemum scoparium var. scoparium David Wheat 1968-5-16 139 Riverside 7.7 miles W Washington Ave-Guava St, Murietta, in Rancho California, Santa Ana Mt. 244 Comment
  POM308572  Helianthemum scoparium var. vulgare Henry J. Ramsey, Henry J. Ramsey, Don Ramsey 1940-3-15 3245 Riverside Aguanga. (north of Riverside Co.) Comment
  RSA0012944  Helianthus californicus C. W. Tilforth, John Dourley 1970-9-2 306 Riverside Along road to Santa Rosa Mountain. Comment
  SD145987  Heliotropium curassavicum A. C. Sanders 1997-5-1 20614 Riverside Lake Skinner area: old house site at gated road junction into Shipley Reserve area, ca.1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 456 Comment
  UCR182435  Heliotropium curassavicum Mitch Provance 2005-5-17 6584 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
  UCR41639  Heliotropium curassavicum A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6092 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR101837  Hemizonia kelloggii B. G. Pitzer 1997-4-1 3063 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  UCR125226  Hemizonia kelloggii Mitch Provance, Twoc Tran 1998-5-30 562 Riverside Jurupa Mountains, N end of 'Wilder's Canyon' (E fork of Pyrite Canyon), c. 0.25 miles SE of peak 1538. 351 Comment
  UCR62100  Hemizonia kelloggii Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mtns., Bautista Canyon, lower end of Bautista Rd. Comment
  UCR136162  Hemizonia paniculata A. C. Sanders 2004-6-20 28216 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  UCR182427  Hemizonia paniculata Mitch Provance, A. Montalvo 2005-5-12 6702 Riverside Granitie Knolls and Mesas of Riverside, South Riverside (Prenda area), vicinity of the Prenda Arroyo, near the spillway of the Woodcrest Dam. 335 Comment
  UCR199653  Hemizonia paniculata Justin M. Wood 2008-7-16 25 Riverside Perris/Elsinore Basin, Gavilan Hills at Temescal Wash, near Olsen Canyon, 'Morgan' property, Alberhill area 366 Comment
  UCR90423  Hemizonia paniculata D. L. Banks, Steve Boyd 1995-10-26 0829 Riverside NW Palomar Mtns., Agua Tibia Mtns; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, at the large grassland area along the upper trail. Approx. 1.6 mi from the Wilderness boundary 939 Comment
  UCR96274  Hemizonia pungens Kathleen Stockwell 1996-6-5 s.n. Riverside Warm Springs Creek, near Murrieta. Near I-15; erosion gullies on E side of creek 328 Comment
  UCR202007  Hemizonia pungens subsp. laevis 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
  UCR23816  Hemizonia pungens subsp. laevis John C. Roos 1965-6-21 s.n. Riverside San Jacinto Comment
  RSA1909  Hesperocallis undulata B. D. Stark 1931-4-27 1090 Riverside 2.0 miles east of Mecca. Alt. below sea level. Comment
  UCR217806  Hesperocallis undulata Jim Andre, T. La Doux 2010-2-28 12546 Riverside Lower Colorado River Valley, along Hwy 95 c. 20 miles south of Vidal Junction, at SE corner of Riverside Mountains 145 Comment
  RSA561014  Hesperolinon micranthum Steve Boyd, Tim Ross 1992-5-4 7196 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  SEINET10460700  Heterocodon rariflorum Meryle B. Dunkle 1933-7-21 Dunkle 3726 Riverside SAN JACINTO MTN IDYLWILD Comment
  JEPS20372  Heterotheca grandiflora W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Santa Ana River Comment
  UCR99567  Heterotheca grandiflora Julie A. Greene, S. D. White 1993-7-5 1400 Riverside San Jacinto Valley, San Jacinto Wildlife Area, on raised wet area, west of dirt road 445 Comment
  SEINET11261246  Heterotheca grandiflora N. Duane Atwood 1993-3-26 17685 Riverside 6 miles NE of San Juan Capistrana along Hwy 74.; 0 Comment
  RSA735607  Heterotheca sessiliflora subsp. echioides LeRoy Gross, Duncan Bell 2008-9-16 3577 Riverside Garner Valley. West side of, and close to Highway 74. Around 1/4 mile north from Ramona trailhead parking area. 1365 Comment
  UC1999891  Heterotheca sessiliflora subsp. echioides J. C. Semple, J. Chimielewski 1987-9-30 8983 Riverside Idyllwild, Rd. to Idyllwild School of Fine Arts and Music, 2.3 km NW of CA-243. Comment
  JOTR29275  Heterotheca villosa var. scabra La Doux, Tasha 2005-8-17 1545 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland Wash; north of Wall Street Mill parking area 1316 Comment
  UCR128306  Heuchera Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8637 Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  SD67922  Heuchera hirsutissima Reid Moran 1968-8-3 15368 Riverside north slope 1 mile west of summit Santa Rosa Mountain 2150 Comment
  UC489217  Heuchera hirsutissima C. V. Meyer 1928-7-27 551 Riverside San Jacinto Peak 3291 Comment
  SBBG29420  Hibiscus denudatus D. Myrick 1968-3-3 1798 Riverside side cyn of Box Cyn E of Mecca 457 Comment
  UCD89948  Hilaria rigida James B. Garner 1959-4-20 USD 1 Riverside 6 miles west of Elyth. Comment
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May 29 2013
  UCR274853  Hoffmannseggia glauca April Garbat, Sarah J. De Groot 2013-4-30 058 Riverside Sonoran (Colorado) Desert, Ford Dry Lake, north of Hwy I-10 122 Comment
  LA45782  Hoffmannseggia microphylla Norman C. Cooper; 1944-5-20 2621 Riverside San Jacinto Mountains, Palms to Pines Highway 304 Comment
  UCSB3084  Hoffmannseggia microphylla Graney, Don 1953-3-21 Riverside Colorado Desert Comment
  SEINET10687049  Hoffmannseggia microphylla David B. Dunn 1946-2-23 Dunn 1983 Riverside Hidden Springs Canyon in the vicintiy of the Palms. Comment
  RSA621501  Hoita macrostachya D. L. Banks 1997-11-15 2200 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
  SD152760  Holodiscus discolor Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7357 Riverside Southern Santa Ana Mountains, San Mateo Canyon wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Tenaja Canyon 366 Comment
  HSC46430  Hordeum brachyantherum subsp. californicum Christopher Davidson 1977-5-25 5637 Riverside Mesa de Burro, Santa Rosa Plateau area of the Santa Ana Mtns. 701 Comment
  RSA179498  Hordeum brachyantherum subsp. californicum E. W. Lathrop 1959-5-17 4546 Riverside 14 miles west of Murrieta. Comment
  UCD85628  Hordeum depressum A. C. Sanders; Carolyn Washburn 2001-5-10 24248 Riverside Perris-Aguanga Basin. San Jacinto River Valley. S side of intersection of Sanderson Ave. and Ramona Blvd., ca. 4 miles NW of San Jacinto. 445 Comment
  UCR176899  Hordeum intercedens Tracy Tennant 1998-4-21 245 Riverside San Jacinto Valley, Stetson Ave. at Warren Rd., near Hemet-Ryan Airport 457 Comment
  UCR114311  Hordeum murinum subsp. glaucum Julie A. Greene 1993-4-17 1229 Riverside Perris Basin, San Jacinto Wildlife Area, west of Davis Rd 433 Comment
  SD181758  Hordeum murinum subsp. murinum Steve Boyd 2001-4-12 10418 Riverside Gavilan Hills: south base of Alberhill Mountain on flats north of Nichols Road and West os pierce Street, in the vicinty of the dite of Tera Cotta Comment
  POM12102  Horkelia clevelandii Mary F. Spencer 1921-6-15 s.n. Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  SBBG2939  Horkelia clevelandii H. and M. Dearing 1940-6-9 4365 Riverside Palms to Pines Hwy near Herkey Crk Comment
  RSA0042109  Horsfordia newberryi Duncan S. Bell, Deidre Conocchioli 2014-3-11 6226 Riverside Santa Rosa Mountains; Devil's Canyon, northeast of Martinez Mountain. 207 Comment
  UC1598600  Hulsea heterochroma C. V. Meyer 1929-6-13 750 Riverside Idyllwild Grade San Jacinto Mts. 1524 Comment
  RSA89923  Hulsea vestita subsp. callicarpha E. K. Balls, Everett 1953-7-1 18347 Riverside 5 miles NW of Idyllwild on road to Banning. 1524 Comment
  JOTR16599  Hulsea vestita subsp. parryi Moore, Sue 1968-5-6 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  RSA453769  Hydrocotyle umbellata L. C. Wheeler 1933-12-2 2314 Riverside U.S. 99: 2 miles NW Whitewater Station. 366 Comment
  UCR3467  Hymenoclea salsola Sally Bell 1964-3-24 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, along Washington [Street], c. 3.5 mi. north of the 'Indio Freeway' (= Hwy I-10) 76 Comment
  JOTR30094  Hymenoclea salsola var. salsola La Doux, Tasha, Alice Miller 2007-5-8 1735 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd., common. 1385 Comment
  RSA658720  Hypochaeris glabra Margaret Murphy 1983-5-21 0036 -D Riverside located in the north section fo parsel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  OBI13686  Hyptis emoryi Robert F. Hoover 1966-10-15 10164 Riverside Dead Indian Cyn Comment
  UCR104802  Hyptis emoryi George K. Helmkamp 1998-2-5 2649 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UCR182535  Ipomoea purpurea Mitch Provance 2003-7-4 4633 Riverside San Bernardino Valley, Riverside, 'Adams Hill', along the N. side of Raintree Ave., 0.2 mi. SW of Adams St., 0.3 mi. SE of Colorado Ave., c. 0.75 mi. SE of the Riverside Municipal Airport 238 Comment
  RSA487823  Ipomoea triloba A. C. Sanders 1988-11-6 8737 Riverside Coachella Valley, W side of Hwy 86, 6.25 mi. S of its junction with hwy 111 in Coachella and 3.85 mi. n of Valerie Jean, 0.55 mi. N of ave 60. -11 Comment
  UCSB45914  Isocoma acradenia Clarke, Oscar 1969-11-10 Riverside Near Whitewater on Hwy. 111, 2 miles southeast of the point where it merges into Interstate Hwy. 10 at Verbenia Ave. Comment
  UC1929839  Isocoma menziesii var. vernonioides Scott D. White, Angelia Carey and Linda Archa 2004-8-5 10667 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation. Comment
  SD68956  Isoetes orcuttii Robert F. Thorne, E. Lathrop, P. Munz 1968-5-8 37567 Riverside Santa Rosa Plateau, Rancho California, vernal marsh on Mesa de Colorado 60 Comment
  UCR262277  Jasminum mesnyi A. C. Sanders 2006-5-13 32285 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  SD136755  Jepsonia parryi Steve Boyd 1994-10-14 8400 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of Cleveland National Forest. San Mateo Cyn, along San Mateo Trail between N branch of Tenaja Trail and Fisherman's Camp. aong trail on mossy banks in understory of chaparral 427 Comment
  SEINET8518930  Johnstonella angustifolia K. L. Chambers, H. L. Chambers 2004-4-6 6387 Riverside Plain just S of S border of Joshua Tree National Park, Cottonwood Springs Road, 0.25 mile N of Hwy [Interstate] 10, 22 miles E of Indio. Comment
  RSA0011070  Juglans californica Scott D. White, Justin M. Wood 2009-5-22 12927 Riverside San Jacinto Mts: Halfway Spring, accessed via Old Control Road. 1159 Comment
  UC1951163  Juglans californica Scott D. White, Justin Wood 2009-5-22 12927 Riverside SAN JACINTO MOUNTAINS: Halfway Spring, accessed via Old Control Road. USGS Blackburn Canyon 7.5' Quad. Comment
  UCR172243  Juglans californica John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; NE side of the Hogbacks. SE of Los Alamos Road, area bordered by Mason Avenue, Callahan Road and Shannon Lane 488 Comment
  UCR207809  Juglans californica O. F. Clarke 2004-3-14 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River c. 200 m below old Salt Lake Railroad bridge 215 Comment
  UCR209200  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37148 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  CAS-BOT-BC126766  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37160 Riverside Peninsular Range: Riverside, between UCR agricultural operations fields, along Iowa Ave. between University Ave. and M.L. King Blvd. 305 Comment
  UCR209199  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37147 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  IRVC28523  Juglans nigra A. C. Sanders, J. Goetzen 1996-5-1 18134 Riverside Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning. San Bernardino Mtns. 793 Comment
  CAS-BOT-BC109879  Juncus Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore. Comment
  CAS-BOT-BC110070  Juncus acutus W. R. Dudley 1903-12-29 612 Riverside Palm Gulch - Palm Springs. Comment
  JEPS66902  Juncus acutus subsp. leopoldii W. L. Jepson 1914-5-22 6041 Riverside e of Thousand Palms; Colorado Desert, Palm Canyon Comment
  RSA0121457  Juncus acutus subsp. leopoldii Duncan S. Bell, LeRoy Gross 2016-3-30 9137 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UC63439  Juncus ambiguus H. M. Hall 1904-5-19 4954 Riverside vicinity Riverside; , Fremont Park 243 Comment
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Sep 5 2011
  IRVC2015  Juncus balticus R. H. Whittaker, W. A. Niering 1963-6-6 SJ 248 Riverside 5509, Bee Canyon. San Jacinto Mountains 610 Comment
  UC1601699  Juncus bufonius H. M. Hall Jun 1901 Riverside Onstatt Valley San Jacinto Mountains 1524 Comment
  JOTR35497  Juncus bufonius var. bufonius La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3185 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  SBBG57289  Juncus macrophyllus R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1828 Comment
  UCR90339  Juncus macrophyllus Scott D. White 1995-6-29 3410 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  RSA180435  Juncus mexicanus E. W. Lathrop 1960-6-8 4822 Riverside 14 miles west of Murrieta Comment
  RSA368247  Juncus mexicanus L. C. Wheeler 1933-12-2 2321 Riverside U.S. 99, 2 miles NW Whitewater Station 366 Comment
  SD121509  Juncus tiehmii Barbara Ertter, Jeffrey L. Strachan 1980-5-21 3481 Riverside Santa Rosa Mountain Road (Forest Road 7S02), ca. 2 miles south of Highway 74 (Pines to Palms Highway), rivulets on southeast slope, moist granitic sand of opening in chaparral. 1584 Comment
  RSA500193  Juncus xiphioides Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3551 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  UCR174110  Juncus xiphioides A. C. Sanders 2006-5-19 32452 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
  UCR201867  Juncus xiphioides Justin M. Wood 2008-9-30 171 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  UCR21862  Juncus xiphioides Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  CAS-BOT-BC234604  Justicia californica Philip A. Munz 1940-3-24 15692 Riverside 3 miles south of Cottonwood Springs, Wagle [Eagle] Mts. 457 Comment
  LA202783  Justicia californica Carl Epling; 1927-3-27 sn Riverside Palm Springs Comment
  POM292850  Justicia californica Robert Benson, Lyman Benson 1952-4-8 14857 Riverside 2 miles west of Shaver Summit east of Indio, U. S. 66 610 Comment
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Mar 26 2011
  SD173267  Justicia californica Melvin M. Sweet 2005-4-14 125 Riverside Anza-Borrego State Park; about 2 km NE of Middle Willows in Coyote Canyon stream bed 641 Comment
  SEINET2043590 Image available Justicia californica Pomona College 1949-3-28 112 Riverside Palms to Pines Highway State 74, 14 mi SE Palm Springs. 1524 Comment
  RSA0062475  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40424 Riverside Chuckwalla Valley, along Wileys Well Rd., 0.1 mi. above I-10 junction, below Ironwood St. Prison. 120 Comment
  RSA813291  Kallstroemia californica Kristin Forgrave, April Garbat, Deidre Conocchioli 2013-8-13 37 Riverside Sonoran Basin and Range. Chuckwalla Valley: From Blythe, Ca, head west on 1-10 for 23 miles. Exit at Ford Dry Lake, turn left to cross back over the interstate and turn right on Chuckwalla Valley Rd., Site is 1.5 miles down on south side of road, near intersection of Graham Pass Rd (unpaved). Comment
  RSA424815  Keckiella antirrhinoides E. Crow 1929-3-17 189 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  UC410544  Keckiella antirrhinoides Mrs. E. C. Van Dyke 1928-7-10 Riverside near Idyllwild Comment
  UCR248185  Keckiella antirrhinoides David J. Keil 1983-4-15 16899 Riverside east of Temecula on SR 79 Comment
  UCR250312  Keckiella antirrhinoides A. C. Sanders 2014-4-8 40977 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  UCR4113  Keckiella antirrhinoides Ronald M. Cope 1965-3-20 s.n. Riverside Sonoran (Colorado) Desert/San Bernardino Mtns., Beside dry creek bed that crosses Whitewater Canyon Road about 4 mi from Hwy Comment
  VVC481  Keckiella antirrhinoides A. C. Sanders, J. Mac 1997-5-4 20698 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  SBBG87641  Keckiella antirrhinoides subsp. antirrhinoides A. C. Sanders, B. Pitzer 1986-4-30 6474 Riverside lower Bee Cyn, 0.2 mi above the mouth of cyn Comment
  UCR98077  Keckiella antirrhinoides var. antirrhinoides A. C. Sanders, G. Helmkamp 1997-3-15 19952 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  SEINET7048170  Keckiella antirrhinoides var. microphylla Steven R. Hill 2001-5-3 33676 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  CAS-BOT-BC246207  Keckiella rothrockii S. B. Parish; W. F. Parish 1880-7-1 473 Riverside San Jacinto Mt. Comment
  POM11200  Keckiella rothrockii subsp. jacintensis Philip A. Munz 1922-7-5 6008 Riverside Tahquitz Valley, San Jacinto Mountains 2256 Comment
  POM21136  Keckiella rothrockii subsp. jacintensis Fordyce Griffiths Jr. 1908-07 s.n. Riverside Tahquitz Valley 2439 Comment
  UCR3587  Kelloggia galioides Frank C. Vasek 1964-7-19 640719- 01 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove Comment
  UCD107116  Krameria bicolor Nancy Ryan Zabriskie 1968-4-12 133 Riverside Near entrance to Andreas Canyon Clubhouse, Andreas Canyon. Comment
  SBBG109172  Krameria erecta D. Wilken with G. A. Wilken 1997-11-1 15375 Riverside tributary of San Bernardino Wash, 0.3 km SW of Gold Crown Rd, SW slope of Pinto Mtns 605 Comment
  RSA408612  Krameria grayi N. C. Cooper 1949-4-8 3276 Riverside Shaver s Summit east of Indio. 610 Comment
  RSA506754  Krameria grayi D. F. Howe 1980-4-15 s.n. Riverside 5 miles W of Mesa Verde, South slope o McCoy Mtns, Hwy 10. Comment
  RSA0051604  Krameria parvifolia Lee Haines 1952-6-1 s.n. Riverside Palms to Pines Highway. 1158 Comment
  RSA714018  Kyllinga brevifolia R. E. Riefner 2004-9-25 4 -443 Riverside City of Corona; Grenn River Rd. ca 0.8 mi S of 91 Freeway overpass, Green River Golf Course at Santa Ana River. 153 Comment
  UCR167858  Lactuca serriola T. B. Salvato, Melissa Clemons 2005-6-23 1327 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  UC68945  Laennecia coulteri H. M. Hall 1905-4-1 5941 Riverside Paloverde Valley Colorado Desert,Paloverde Valley 76 Comment
  RSA543850  Lamarckia aurea Steve Boyd, Orlando Mistretta 1991-5-22 6314 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA0013708  Lamium amplexicaule LeRoy Gross, Grace Cho 2013-4-9 6005 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
  UCR146426  Langloisia schottii R. F. Thorne, M. Z. Thorne 1973-3-30 42679 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  RSA0106764  Langloisia setosissima subsp. setosissima Duncan S. Bell, Amanda Turek 2009-3-29 137 Riverside Northeast section of the Arica Mountains; northwest section of Rice Valley; approx. 2.25 air miles south of the ghost town of Rice. 230 Comment
  OBI8642  Larrea divaricata Robert F. Hoover 1969-4-11 11216 Riverside Mouth of Morongo Valley Cyn Comment
  HSC100857  Larrea tridentata J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-18 12775 Riverside 457 Comment
  RSA115036  Larrea tridentata E. K. Balls, Percy C. Everett, S. Tillett 1955-7-19 20976 Riverside Hwy 74, 12 mi. E and N from Pinyon Flat F.S. Campground on road to Palm Springs Comment
  RSA390022  Larrea tridentata E. Crow 1929-2-24 181 Riverside Desert Palm. Palm Spring. Colorado Desert Comment
  RSA652039  Larrea tridentata Bill Trimble 1949-2-20 s.n. Riverside Found in Whitewater Canyon in the Colorado Desert 10 miles off highway 99. 457 Comment
  SDSU11497  Larrea tridentata Marjorie Collier 1951-3-25 Riverside Palm Canyon 5 miles south of Palm Springs Comment
  GMDRC7791  Lasthenia coronaria J. M. Andre 2015-3-6 33555 Riverside Coachella Valley: sandy flats along Snow Canyon Rd, just south of Hwy 111 362 Comment
  POM6606  Lasthenia coronaria P. A. Munz, L. T. Street, Williams 1919-3-28 2368 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  RSA550037  Lasthenia coronaria Walter Wisura, A. King, L. Newcomb 1992-4-10 4670 Riverside Low Desert: Whitewater Road N of I10 Comment
  UC217965  Lasthenia coronaria P. A. Munz and I. M. Johnston 1922-5-19 5349 Riverside 5 mi ne of Murietta 457 Comment
  UCR137700  Lasthenia coronaria D. L. Banks, V. W. Steinmann 1997-3-13 1514 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
  RSA0008494  Lasthenia glabrata subsp. coulteri F. W. Peirson 1922-4-29 2956 Riverside South of Lake Elsinore. 381 Comment
  RSA450757  Lasthenia glabrata subsp. coulteri J. C. Roos 1966-3-8 s.n Riverside 1 mile N of Lakeview Comment
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May 21 2011
  SEINET6413739  Lasthenia glabrata subsp. coulteri R. Spellenberg 2014-5-7 14776 Riverside S of Moreno valley, 1.6 km N of Ramona Expressway on Davis Road, toward San Jacinto Wildlife Area. 435 Comment
  UCR99330  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1996-4-11 2450 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife Area, c. 762 m NE of Lakeview, 122 m east of Davis Road and 40 m north of Marvin Road 434 Comment
  RSA802254  Lathyrus vestitus Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5000 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  RSA33836  Lathyrus vestitus subsp. alefeldii N. C. Cooper 1944-5-20 1247 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  CAS-BOT-BC379633  Layia platyglossa Marian L. Campbell 1921-3-21 56 Riverside Banning Comment
  HSC5905  Layia platyglossa C. L. Hitchcock 1966-3-15 24146 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  UC30657  Layia platyglossa H. M. Hall 1901-6-1 2023 Riverside s side San Jacinto Mountains 1371 Comment
  UCR127331  Layia platyglossa A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25840 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR250908  Layia platyglossa A. C. Sanders 2014-4-18 41024 Riverside Peninsular Range, Temescal Canyon, hills along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, c. 100 m south of I-15 401 Comment
  UCR25544  Layia platyglossa John C. Roos 1941-4-19 170 Riverside Peninsular Range, Loma Linda Hills/Box Springs Mtns.; plateau in Reche Canyon 671 Comment
  POM4861  Layia platyglossa subsp. campestris P. A. Munz 1918-4-27 2152 Riverside Near Corona. Comment
  UCR201455  Layia ziegleri Scott D. White, Justin M. Wood 2008-5-15 11985 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  UCR182527  Lepidium dictyotum var. acutidens Mitch Provance 2005-5-17 6572 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
  CAS-BOT-BC89581  Lepidium lasiocarpum A. C. Sanders; T. B. Salvato; Mitch Provance 2000-4-25 23353 Riverside Coachella Valley. East side of the Coachella Canal between I-10 and Avenue 56 (Airport Road), 3 miles east of Thermal. 15 Comment
  SD217251  Lepidium lasiocarpum Steve Boyd, Tim Ross and Orland Mistretta 1992-2-2 6640 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
  UCR252659  Lepidium lasiocarpum T. B. Salvato, Matthew Malle 2013-4-2 7493 Riverside Perris-Aguanga Basin, Wildomar, c. 2 mi east of Lake Elsinore, west side of Mission Trail, north of Victorian Lane 387 Comment
  UCR65276  Lepidium latifolium Steve Boyd 1989-7-23 3787 Riverside Santa Ana River, Riverside, just downstream of the old city dump at W extension of Rubidoux Ave. Comment
  RSA496359  Lepidium nitidum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3033 Riverside Vail Lake area, 0.5 mi WNW of dam, clay soil deposits on dissected bench, S flank Oak Mountain. 488 Comment
  RSA653672  Lepidium pinnatifidum A. C. Sanders, K. C. Rose 1999-6-18 22823 Riverside Domenigoni Valley: upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester 433 Comment
  UCD115887  Lepidium virginicum subsp. menziesii T. B. Salvato; Kent Beaman 2005-5-16 775 Riverside San Jacinto Mtn: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  UCR92244  Lepidium virginicum var. pubescens Scott D. White 1995-8-23 3579 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  RSA679066  Lepidium virginicum var. robinsonii Scott D. White 2001-4-13 8320 Riverside Badlands; County landfill area north of Moreno Valley. About 1/4 air mi NW of the SR-60 Freeway jtn with Gilman Springs Rd. 595 Comment
  CAS-BOT-BC328099  Lepidospartum squamatum J. Beley 1974-2-20 0057 Riverside Magnolia Rd., 0.5 mi S of Cabazon Comment
  RSA0050088  Lepidospartum squamatum Sarah J. De Groot, Cheryl S. Sevilla 2014-8-4 7222 Riverside Mission Creek drainage, maybe 1/2 mile above the west fork. Southwest of Morongo Valley, northwest of Desert Hot Springs. 786 Comment
  RSA650943  Lepidospartum squamatum C. J. Humphrey, Herbert Humphrey, E. T. Bartholomew 1936-6-7 379 Riverside In foothills San Gabriel Mts. 19 miles North of Riverside. 610 Comment
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Dec 15 2011
  UC33118  Lepidospartum squamatum H. M. Hall 1899-8-2 1367 Riverside Riverside Comment
  UCR89986  Lepidospartum squamatum Scott D. White, Steve Myers 1995-10-21 3724 Riverside San Jacinto Valley, Eastern foothills of San Jacinto Valley,'Santa Rosa Hills', south of Hemet. Foothills just above orange grove. 610 Comment
  RSA723303  Leptochloa fusca subsp. uninervia P. M. Peterson, D. R. Peterson 1989-9-22 8123 Riverside San Jacinto, 8.8 km W. of State Hwy 79 on Ramona Expressway towards Lakeview 500 Comment
  SEINET3196334 Image available Leptochloa fusca subsp. uninervia P. M. Peterson, D. R. Peterson 1989-9-22 8123 Riverside San Jacinto: 8.8 km W of State Hwy 79 on Ramona Expressway towards Lakeview. 500 Comment
  UCR2518  Leptochloa uninervia F. M. Reed 1926-5-15 5342 Riverside Peninsular Range; Perris/Aguanga Basin Region, Menifee Valley, west of Menifee schoolhouse [which was at corner of corner of Newport and Bradley Roads] 457 Comment
  UCR274211  Leptosiphon floribundus subsp. hallii Duncan S. Bell 2014-11-14 7704 Riverside Santa Rosa Mountains, Santa Rosa Mountain Wilderness area, west side of Martinez Mountain, at meeting point of Horsethief Creek and the Cactus Spring Trail 1055 Comment
  SBBG93109  Leptosiphon lemmonii G. Ballmer 1990-5-6 Riverside vicinity of Crown Valley; S of Domenigoni Valley and N (and W) of Rawson Cyn, where rd goes S into hills from Newport Rd 548 Comment
  SD81281  Leptosiphon lemmonii Darley F. Howe 1969-5-15 4590 Riverside Near Cripping Springs Campground. 456 Comment
  RSA667000  Leptosiphon pygmaeus subsp. pygmaeus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24181 Riverside S. of Hemet, E end of Diamond Valley, ca 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  UCR41532  Lesquerella tenella A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6057 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  UCR92763  Lessingia filaginifolia F. M. Reed 1929-11-8 6683 Riverside San Jacinto Mtns/Colorado Desert,, mouth of Snow Creek Canyon 300 Comment
  CLARK-A1528-1989  Lessingia glandulifera John C. Roos 1937-8-17 1216 Riverside Comment
  SBBG94651  Lessingia glandulifera var. glandulifera S. D. White 1990-10-8 Riverside Vail Lake area, Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  SD175800  Lessingia glandulifera var. glandulifera Mike Lahti 2006-9-12 1356283 Riverside Sage Ranch Nursery, 41801 East Benton Rd., Hemet. 715 Comment
  POM147626  Leymus triticoides F. M. Reed 1926-5-20 5372 Riverside alkaline lake margin west of Temecula [presumably the large vernal pool on Mesa de Colorado, ca. 7 mi. due W of Temecula] 625 Comment
  UC1147903  Lilaea scilloides Robert F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37595 Riverside Rancho California; Santa Rosa Plateau 609 Comment
  UC1929318  Limonium sinuatum Scott D. White, Lynn Stafford 2007-7-5 11757 Riverside Chino Hills State Park; Santa Ana River floodplain just below Prado Dam. Comment
  UC52868  Linanthus aureus H. M. Hall 1902-4-12 2836 Riverside Coyote Canyon, w borders of Colorado Desert Colorado Desert 152 Comment
  RSA0080316  Linanthus bigelovii Sarah J. De Groot, Cheryl Sevilla 2015-2-18 7361 Riverside North fork Mission Creek, southeast San Bernardino Mountains, northwest of Desert Hot Springs. 780 Comment
  UCD118518  Linanthus californicus Edward J. Hall 1951-4-21 26 Riverside 1.7 miles S of Beaumont near Lamb's Canyon Road. Comment
  SEINET4043536  Linanthus ciliatus C. Davidson 1975-1 2818 Riverside 2 miles north of Aladale Station on road R1 from Idyllwild to Banning. 1645 Comment
  UC907941  Linanthus dianthiflorus Victor Duran 1930-4-17 Riverside Sage Comment
  UCR227588  Linanthus dianthiflorus Duncan S. Bell, Valentin Arvizu 2010-5-24 1106 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 3.0 air mi southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1386 Comment
  UCR121238  Linanthus dianthiflorus subsp. farinosus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2250 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UC106872  Linanthus filipes M. M. Miles 1891-1 Riverside San Jacinto Comment
  UCR133508  Linanthus lemmonii G. R. Ballmer 1998-4-18 s.n. Riverside San Jacinto Mtns. Foothills, Friendly Hills Ranch, SE of Hemet at end of Fairview Ave., near mouth of Bautista Canyon 854 Comment
  UCR82883  Linanthus liniflorus A. C. Sanders, P. J. MacKay 1994-10-23 15847 Riverside San Bernardino Mtns., Between the trout hatchery and Bonnie Bell 780 Comment
  UCR1629  Linanthus parviflorus Leland R. Dykes 1962-5-1 48 Riverside Santa Ana Mtns., Santa Rosa Plateau, San Mateo Canyon [Tenaja] Rd, c. 11 mi. west of Palomar Road [=Washington Ave.] in Murrieta [vicinity of Tenaja Guard Station] 610 Comment
  RSA0010985  Lithophragma affine Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2124 Riverside Santa Rosa Mountains. Comment
  UCR280818  Lithophragma affine Mitch Provance 2017-5-4 517- 51 Riverside San Jacinto Mountains, Idyllwild, near corner of Canyon Dr. and Marian View Dr. 1585 Comment
  UCR116803  Loeflingia squarrosa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23933 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR60245  Loeflingia squarrosa R. F. Thorne, M. Z. Thorne 1973-3-30 42688 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  JOTR31097  Loeseliastrum matthewsii La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2261 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Cobble toe slopes at the base of Ryan Mountain, north end of Lost Horse Hills (Stop 3) Comment
  RSA796503  Loeseliastrum matthewsii J. Andre 2012-3-19 21359 Riverside Palen Valley; along Palen Pass Road (dirt), 1.2 miles east of Highway 177. 184 Comment
  RSA468343  Loeseliastrum schottii Christopher Davidson 1979-4-4 7682 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca 213 Comment
  RSA79148  Loeseliastrum schottii P. A. Munz, Percy C. Everett 1952-5-2 16256 Riverside 2 miles east of Garnet, Coachella Valley. 30 Comment
  SEINET3004973  Logfia arizonica G. Rink 2011-3-30 10399 Riverside Northwest of Blythe, east of the McCoy Mtns, swale in desert pavement 152 Comment
  CAS-BOT-BC342256  Logfia filaginoides A. C. Sanders; K. Rose 1995-4-5 16387 Riverside San Bernardino Mtns./Coachella Valley: alluvial slopes and foothills S of Mission Creek and E of Hwy 62 700 Comment
  RSA343106  Lolium perenne subsp. multiflorum R. F. Thorne, Walter Wisura, E. Lathrop, Sara Meury 1985-5-18 60629 Riverside Santa Rosa Plateau: Cole Canyon, near entrance to Nature Conservancy Reserve. 530 Comment
  UCR91592  Lomatium lucidum D. L. Banks 1995-4-11 0177 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, along the Dripping Springs Trail 829 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
  JEPS55418  Lotus argophyllus W. L. Jepson 1901-5-20 1331 Riverside Thomas Valley to Van Deventer Ranch Comment
  RSA305622  Lotus crassifolius C. W. Tilforth, Walter Wisura 1979-8-8 1899 Riverside 9 mi. south of poppet flat turn-off along highway 243 south of banning, riverside county, ca. 1646 Comment
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Jun 26 2013
  RSA483573  Lotus crassifolius D. Charlton 1988-5-21 1970 Riverside Thomas Mountain Road, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74. 1829 Comment
  RSA407730  Lotus hamatus Steve Boyd 1986-5-1 1795 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  POM2646  Lotus heermannii P. A. Munz 1918-4-7 2124 Riverside Temescal Canyon Comment
  UCR187496  Lotus nevadensis Theresa Johnson 2006-8-23 271 Riverside Peninsular Range; San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  RSA406729  Lotus nevadensis var. nevadensis N. C. Cooper 1949-6-29 4323 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  CSUSB1192  Lotus purshianus Leland R. Dykes 1962-5-8 94 Riverside Santa Ana Mountains, San Mateo Canyon Road, 7 miles west of Palomar Road in Murrieta. Comment
  UCR274305  Lotus purshianus T. B. Salvato, Melissa Clemons 2005-6-6 1425 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  SDSU4337  Lotus rigidus A. H. Gallup 1949-3-28 379 Riverside Palms to Pines Hwy. 732 Comment
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Jan 24 2013
  UCR18156  Lotus salsuginosus var. brevivexillus A. C. Sanders 1978-3-19 0841 Riverside Santa Rosa Mtns/Colorado Desert, Deep Canyon Reserve, along the Worley Trail just above the Research Center 427 Comment
  GMDRC2047  Lotus scoparius var. brevialatus J. Andre 2006-4-26 6766 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  CLARK-A1528-1165  Lotus strigosus Cameron Duncan 1966-3-27 Riverside Riverside 914 Comment
  JEPS55859  Lotus strigosus W. L. Jepson 1901-5-17 1227 Riverside Riverside 266 Comment
  RSA0021298  Lotus strigosus Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4660 B 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
  RSA263676  Lotus strigosus E. W. Lathrop 1968-6-2 6947 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA495418  Lotus strigosus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2938 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UC1228588  Lotus strigosus C. L. Hitchcock and C. V. Muhlick 1962-3-16 22140 Riverside ca 8 mi se Corona; Temescal Canyon Comment
  UCR16275  Lotus strigosus Steven Wickler 1974-4-21 004 Riverside San Jacinto Valley, immediately off of Hemet-San Jacinto offramp, U.S. Hwy 60, 8 mi. east of Riverside 518 Comment
  UCR177995  Lotus strigosus S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR234333  Lotus strigosus A. C. Sanders, John F. Green 2012-4-6 40002 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along old (c. 1926) Corona-Elsinore RR route, between I-15 and Temescal Cyn. Rd., c. 10 miles south of Corona, SE of mouth of Mayhew Cyn. 325 Comment
  UCR86871  Lotus strigosus A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16279 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
  RSA176229  Lotus tomentellus R. F. Thorne 1963-3-29 32383 Riverside Colorado Desert, desert wash, 9 miles E of Mecca, Mecca Hills 152 Comment
  RSA508005  Lotus tomentellus Steve Boyd, Carol Boyd, Kyle Boyd, R. Noyes, L. Arnseth 1988-5-28 2303 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA517840  Lotus tomentellus Bob Boyd, Orlando Mistretta 1986-3-13 1471 Riverside NE of Desert Center. Comment
  POM10288  Lotus wrangelianus Charlotte M. Wilder 1905-4-19 65 Riverside West Riverside Comment
  CLARK-A1045-401  Ludwigia peploides George K. Helmkamp 1979-5-15 Riverside Jurupa ""at S.A. Picnic Area""; ; Fontana 7.5' Q 243 Comment
  POM349942  Lupinus arizonicus J. Jones, Christopher Davidson 1980-4-4 9951 Riverside West end of the Orocopia Mtns. in a small canyon and wash almost due south of Oro peak. 518 Comment
  SD185221  Lupinus arizonicus John F. Green 2005-2-2 Riverside Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, ca. 3.0 miles east of Desert Beach. 24 Comment
  UC1595757  Lupinus arizonicus W. Wisura, J. Dolan, M. Wall 1992-3-24 4621 Riverside on Box Canyon Rd. 5.5 mi ne Mecca (Lowdesert); ne of Mecca Comment
  UCR142844  Lupinus arizonicus I. M. Johnston 1917-4-4 s.n. Riverside Sonoran (Colorado) Desert, near Palm Springs 183 Comment
  UCR279239  Lupinus arizonicus A. C. Sanders, Jim Malusa 2017-3-23 42935 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 771 Comment
  RSA757746  Lupinus bicolor LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4348 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
  RSA87098  Lupinus bicolor F. W. Peirson 1921-3-19 91 Riverside 2 miles east of Banning on road to Indio, Riverside Comment
  SDSU17531  Lupinus bicolor Jerry Jenkins 2001-4-2 2001 -047 Riverside Santa Margarita Ecological Reserve. West of Santa Margarita River, UTM zone 6, 481750E, 3699500N. UTM transfered to GIS. Comment
  UCR225578  Lupinus bicolor A. C. Sanders, T. B. Salvato 2011-3-29 38875 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  RSA278309  Lupinus bicolor subsp. microphyllus C. W. Tilforth, Walter Wisura 1979-11-4 1768 Riverside Murrieta- Deluz Rd., 2 air miles south of Murrieta. 335 Comment
  RSA550025  Lupinus bicolor subsp. microphyllus Walter Wisura 1992-4-10 4672 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
  SEINET10484904  Lupinus bicolor subsp. microphyllus David B. Dunn, Melvin L. Conrad; Robin C. Kennedy 1973-6-15 Dunn 20766 Riverside Coll. At the jct of hwy 74 and 71. A gas station on the sw corner. Area Generally chapparal with shaggy adenostema. Comment
  SD232251  Lupinus concinnus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10483 Riverside Peninsular Ranges, San Jacinto Mountains/Colorado Desert: East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains. Along road to Palm Springs Tram Station. Comment
  RSA543590  Lupinus concinnus subsp. concinnus Steve D. Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6142 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  POM12634  Lupinus densiflorus var. lacteus Philip A. Munz 1922-4-28 5030 Riverside 5 miles north of Glen Ivy Comment
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Apr 3 2011
  UCR26542  Lupinus excubitus A. C. Sanders, S. Hagopian 1981-5-20 2152 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  RSA748383  Lupinus excubitus var. austromontanus Justin M. Wood, Brandy Wood 2009-6-13 891 Riverside Idyllwild County Park, Lilly Creek and adj slope to W of campground. 1585 Comment
  RSA89545  Lupinus excubitus var. austromontanus E. K. Balls, Percy C. Everett 1953-7-1 18345 Riverside 1.5 miles West and North of Idyllwild on road to Banning. 1616 Comment
  SEINET269555  Lupinus excubitus var. hallii Scott D. White 1996-5-27 4068 Riverside Jackrabbit Canyon E. of Moreno Valley and S. of Calimesa between state Hwy. 60 and Gilman Spr. Rd. west and north of 518 Comment
  RSA413637  Lupinus formosus var. formosus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UCD107944  Lupinus hirsutissimus R. N. Raynor 1933-3-31 s.n. Riverside San Jacinto Valley. Comment
  JEPS65215  Lupinus hyacinthinus W. L. Jepson 2315 Riverside slope of San Jacinto Peak 3169 Comment
  RSA600850  Lupinus hyacinthinus C. Epling, Wm. Robison 1935-6-30 s.n. Riverside Mt. San Jacinto: Above Marion Camp. Comment
  RSA763171  Lupinus hyacinthinus Scott D. White, Justin M. Wood 2009-5-22 12902 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  POM24848A  Lupinus microcarpus var. densiflorus Marcus E. Jones 1882-4-25 s.n. Riverside San Jacinto. Comment
  JOTR31222  Lupinus shockleyi La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2006 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 3) sand ramps 432 Comment
  RSA0028837  Lupinus sparsiflorus Scott D. White 2001-4-3 8220 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA523534  Lupinus sparsiflorus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3993 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SDSU12937  Lupinus sparsiflorus Jutta Buschbom 1991-6-20 36 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UC1584119  Lupinus sparsiflorus Steve Boyd, Tim Ross, and Laurel Arnseth 1990-3-29 3832 Riverside ridge at n side mouth of Temecula Creek Canyon (and adjacent benches of s flank of Big Oak Mtn); Vail Lake Area 396 Comment
  UC668417  Lupinus sparsiflorus Annie M. Alexander and Louise Kellogg 1941-5-11 2151 Riverside on side of canyon Cottonwood Spring; Eagle Mountains 883 Comment
  RSA414266  Lupinus sparsiflorus var. mohavensis Anstruther Davidson 1893-4-12 s.n. Riverside Palm Springs. Comment
  RSA522732  Lupinus succulentus Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3837 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA613470  Lupinus truncatus D. L. Banks, Victor W. Steinmann 1997-3-13 1451 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
  UCR18527  Luzula comosa A. C. Sanders 1978-6-11 791 Riverside San Jacinto Mtns., James Reserve (above Lake Fulmor), near bridge over Indian Creek 1646 Comment
  JOTR16859  Lycium andersonii Moore, Sue 1968-5-13 s.n. Riverside Joshua Tree National Park. NEAR PINTO WYE 1158 Comment
  POM184749  Lycium andersonii C. Leo Hitchcock 1932-4-8 12216 Riverside 1 mile west of Cottonwood Springs. Comment
  RSA510020  Lycium andersonii B. Pitzer 1988-3-10 659 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  UCR22195  Lycium andersonii Steve Boyd 1980-11-10 366 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  CAS-BOT-BC231498  Lycium torreyi Roxana S. Ferris 1918-6-19 1013 Riverside Colorado River bottoms near Blythe Comment
  SEINET5343084  Lythrum californicum J. Crutchfield 1965-6-16 213 Riverside Lost Lake Resort, 14 mi S of Vidal Comment
  UCR14839  Lythrum hyssopifolia A. C. Sanders, O. F. Clarke, Dan Vossler 1975-7-23 425 Riverside Santa Ana Mtns., Santa Rosa Plateau, west of Murrieta, c. 1/2 mile west of large vernal pool on Mesa de Colorado, intersection of Avocado Mesa Rd. & Los Gatos Rd. 623 Comment
  UCR6385  Lythrum hyssopifolia O. F. Clarke 1967-6-16 s.n. Riverside University of California, Riverside, Greenhouse 16 [near East Campus Dr. and Eucalyptus Dr.] Comment
  RSA543955  Madia gracilis Steve Boyd, Orlando Mistretta 1991-5-9 6186 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBride Canyons 549 Comment
  RSA674531  Madia gracilis Scott D. White, Sandy Leatherman 2000-5-31 7989 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  RSA358581  Mahonia repens Larry E. DeBuhr 1972-3-23 513 Riverside 6000 ft, along forest road 7S02 Comment
  OBI37491  Malacothamnus fasciculatus Steve Boyd 1985-7-23 1026 Riverside De Luz rd, 9.8 mi W of Rancho California 244 Comment
  CAS-BOT-BC347684  Malacothrix glabrata P. A. Munz; R. D. Harwood No date on label 3384 Riverside Temescal Canyon 365 Comment
  RSA33851  Malacothrix glabrata N. C. Cooper 1944-4-23 1153 Riverside Cabazon 457 Comment
  RSA79158  Malacothrix glabrata P. A. Munz, Percy C. Everett 1952-5-2 16248 Riverside 2 miles west of Desert Hot Springs 183 Comment
  UC75864  Malacothrix glabrata Miss M. Alice King April, 1893 Riverside Menifee Comment
  UCD134417  Malacothrix glabrata P. C. Everett; E. K. Balls 1958-4-29 23021 Riverside U.S. Highway 60/70, 1 mile west of Cactus City. 487 Comment
  POM10230  Malvella leprosa Unspecified 1904-5-7 36 Riverside west Riverside [Rubidoux] Comment
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Sep 5 2011
  SBBG87937  Marah macrocarpa B. Pitzer, E. Misqez 1988-2-28 617 Riverside SW of Murrieta, Walker Basin, Avenida del Oro, 2 mi S of Rancho California Rd 426 Comment
  UCR116910  Marah macrocarpa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23962 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  CAS-BOT-BC218947  Marina parryi Lilly H. Kruse 1954-1-18 s.n. Riverside Painted Canyon near Mecca Comment
  JOTR35347  Marina parryi Harding, Mitzi, Mark Wheeler 2012-2-28 114 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; large northeast flowing canyon (Stop 5) 268 Comment
  JOTR36435  Marina parryi La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3406 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  RSA567642  Marina parryi Theo Glenn 1991-4-30 91 -58 Riverside Colorado Desert, McCoy Mtns, NW of Blythe. T5S, R20E, approx. S19, Alt 170m 170 Comment
  RSA409843  Marrubium vulgare Jeannette B. Edge 1934-4-22 s.n. Riverside Jurupa Mountains, open field. 579 Comment
  POM157888  Marsilea vestita P. A. Munz 1927-5-20 10800 Riverside Murrieta Hot Springs Comment
  UCR23347  Marsilea vestita John C. Roos 1965-9-16 s.n. Riverside Lakeview Comment
  UCR216239  Matricaria discoidea Mike Bell 2008-4-27 012 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 557 Comment
  UCR40512  Medicago polymorpha Steve Boyd 1985-7-23 1008 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 7 mi west of Rancho California. 366 Comment
  RSA335019  Medicago sativa Steve D. Boyd 1985-7-23 1007 Riverside De Luz Rd., 5.5 miles west of Rancho California. 396 Comment
  RSA342044  Melica frutescens R. F. Thorne, W. A. Tilforth, L. Schultz, R. K. Benjamin, J. Hogge 1980-4-16 54084 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA713913  Melica frutescens R. E. Riefner 2006-8-2 6 -350 Riverside Lakeview Mountains, vicinity of Alicante Dr. and Jamawag Rd., NNW ca. 0.75 mi from Leon Rd. 580 Comment
  RSA782810  Melica frutescens A. C. Sanders, Nathan Moorhatch 2011-3-22 38765 Riverside Powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 473 Comment
  UCR214274  Melica frutescens A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37745 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 438 Comment
  UCR92676  Melica frutescens Scott D. White 1994-5-4 2012 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  RSA613431  Melica imperfecta D. L. Banks 1997-3-29 1635 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border;, west of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  RSA801815  Melica imperfecta LeRoy Gross, Evan Meyer 2013-5-21 6109 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley. Started near 33.72895N, 116.73415W. And ended at Inspiration Point. 1631 Comment
  SBBG56866  Melica imperfecta M. N. Ackley 1928-4-1 57 Riverside Snow Crk, Mt San Jacinto 518 Comment
  SEINET251710 Image available Melica imperfecta A. C. Sanders, Seung, Chaul Kim, Plant Taxonomy 2005-5-7 30122 Riverside Peninsular Range, agua Tibia Mountains: UC Emerson Oaks Reserve,ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballlos Road in vicinity of water tank(Pechanga 7.5 457 Comment
  UC149807  Melica imperfecta H. M. Hall 1902-4-26 2974 Riverside vicinity Riverside (Box Springs Mt.); Box Springs Mt. 685 Comment
  UCR24053  Melica imperfecta John C. Roos 1950-4-22 4754 Riverside Summit of Reche Canyon. 0.5 mi NE of the summit 793 Comment
  UCR82224  Melilotus indicus J. M. Stewart 1994-5-2 853 Riverside Western Colorado Desert, Coachella Valley, Thermal. Tyler St. and Airport Blvd. Comment
  UC1931066  Mentha spicata Scott D. White, Justin Wood 2008-7-9 12413 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  UCR109001  Mentzelia affinis D. L. Banks, V. W. Steinmann 1997-4-13 1472 Riverside NW Palomar Mtns., Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79. Hills east of the Dripping Springs alcove and west of Vail Lake Marina Road. 549 Comment
  RSA0043029  Mentzelia involucrata Duncan S. Bell, Loraine Washburn 2014-4-8 6575 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern/central section of range; approximately 2.25 air miles north of Clemens Well and Bradshaw Trail. 495 Comment
  RSA0081619  Mentzelia involucrata Jim M. Andre 2012-4-11 20824 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
  SD114165  Mentzelia involucrata D. F. Howe 1949-3-21 1940 Riverside 16 miles east of Mecca on Highway. 518 Comment
  SEINET3094591 Image available Mentzelia involucrata Norman C. Cooper 1949-4-8 3249 Riverside Mecca Pass E of Indio. 457 Comment
  UCR103294  Mentzelia involucrata George K. Helmkamp 1998-4-4 3179 Riverside Sonoran (Colorado) Desert, 2.3 mi. north of Hwy I-10 on Eagle Mtn Rd. 274 Comment
  UCR103310  Mentzelia involucrata George K. Helmkamp 1998-4-4 3170 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  RSA0038374  Mentzelia involucrata A. Lee Haines 1973-3-24 s.n. Riverside Orocopia Mountains. 457 Comment
  CDA36639  Mentzelia involucrata var. megalantha G. D. Barbe, T. C. Fuller 1973-2-27 1060 Riverside 0.2 mile east of Coachella Canal on Highway 195, Box Canyon Wash, northeast of Mecca. 0 Comment
  RSA440418  Mentzelia involucrata var. megalantha Elbert Benjamine 1929-4-7 126 Riverside Whitewater Canyon, Riverside County. Comment
  SD60947  Mentzelia longiloba var. longiloba Darley F. Howe 1964-4-13 3762 Riverside 3.3 mi east of Riverside-San Bernardino Co. line. 244 Comment
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Mar 31 2014
  UCR22118  Mentzelia montana Steve Boyd 1980-5-15 279 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  UCR220324  Microseris douglasii D. E. Bramlet 1992-4-3 2210 Riverside Perris-Aguanga Basin Region, 7.5 km SW of Hemet, just east of California Ave and c. 100 m north of the ATSF RR tracks, NE of the intersection of California Ave. and Marvin Hull Road and c. 300 m west of the MWD Canal 453 Comment
  UC2029942  Microseris douglasii subsp. platycarpha Steve Boyd 2001-4-12 10415 Riverside GAVILAN HILLS REGION: Southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta. Comment
  UCR213305  Microseris heterocarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37702 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  UCR180042  Microseris lindleyi Mitch Provance 2005-5-18 9813 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UCR182357  Microseris lindleyi Mitch Provance 2005-5-17 6556 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  SBBG47459  Mimetanthe pilosa N. C. Cooper 1944-6-16 1433 Riverside Pine Cove 1524 Comment
  JOTR30253  Mimulus aurantiacus Leary, C. and Leary, Pat 1979-5-6 3024 Riverside Joshua Tree National Park. Barker Dam, Joshua Tree National Monument, T2S R8E sec 4 Comment
  RSA1323  Mimulus aurantiacus var. puniceus J. T. Howell 1928-7-9 1068 Riverside San Juan Canon Rd., Elsinore Mts. 610 Comment
  RSA192068  Mimulus aurantiacus var. puniceus E. W. Lathrop 1959-4-2 4431 Riverside 18 miles W of Murrieta, Cottonwood Canyon of the Tenaja Range. Comment
  RSA19934  Mimulus aurantiacus var. puniceus I. W. Clokey 1930-4-15 4728 Riverside Perris to Gavalian Peak 600 Comment
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Nov 8 2011
  RSA500550  Mimulus aurantiacus var. puniceus Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3622 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  JEPS8177  Mimulus bigelovii var. bigelovii Dr. L. M. Newlon 1922-4-4 452 Riverside near Palm Springs; Palm Canyon Comment
  UCSB44893  Mimulus bigelovii var. bigelovii Collins, Elizabeth 1977-3-29 Riverside Corn Springs Campground; 8 miles south of Hwy. 10 457 Comment
  CSUSB885  Mimulus brevipes Charles Herrick 1974-5-11 Riverside 1/4 mile southeast of Calimesa turnoff of freeway 10. 716 Comment
  RSA522089  Mimulus brevipes Steve Boyd, Tim S. Ross, Kyle Boyd 1989-6-24 3755 Riverside Vail Lake area, along road in shallow cyn on SE flank of 'Little' Oak Mtn., W of Kolb Creek drainage, N of Hwy 79. Comment
  RSA679012  Mimulus brevipes M. Wall, Sean Wall 2003-5-24 298 Riverside NE of Skinner Reservoir, Rawson Canyon, Rawson Rd. 2.7 miles from jct. with Washington Ave. 564 Comment
  SDSU10762  Mimulus brevipes Charles F. Phleger 1962-5-12 Riverside Collceted on Highway 74, 5 miles east of Hemet. Comment
  SEINET3079201 Image available Mimulus brevipes Marc Mittleman 1982-5-25 Riverside Gentry Experimental Farm, Los Alamos Road, Murietta, Ca. 366 Comment
  HSC101594  Mimulus breweri Steve Boyd, Gary Wallace 2005-7-30 11637 Riverside Peninsular Ranges; San Jacinto Mountains region; San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2652 Comment
  UCR89473  Mimulus clevelandii Steve Boyd, Chris Frazier 1993-4-24 8010 Riverside Palomar Mtns., Cleveland Nationall Forest, Agua Tibia Wilderness Area. south of Vail lake at the an base of Agua Tibia Mtn, along trail extending S from end of Woodchuck Road. 884 Comment
  POM157912  Mimulus diffusus P. A. Munz 1927-5-20 10806 Riverside 10 miles S. of Hemet. Comment
  UCR217534  Mimulus diffusus Diane Menuz 2008-4-28 433 Riverside Peninsular Range, Palomar Mts area, east of Pechanga Indian Reservation. 1.7 km south of Hwy 79, south of Arroyo Seco Creek, c. 1.5 mi along Wildhorse Trail 563 Comment
  LA209492  Mimulus fremontii John O'Leary; 1975-6-13 399 Riverside Yellow Pine Forest, near side of Hy. leading from Banning to Idyllwild, 0.5 mi N of lake Fullmer 1584 Comment
  JEPS26106  Mimulus fremontii var. fremontii Peter H. Raven 1958-5-17 12946 Riverside 7.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  UC454795  Mimulus guttatus I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2438 Comment
  RSA0035443  Mimulus guttatus Mary Duke, Christy Hightower, Cecilia McElroy 1982-5-15 19 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi. W of Hwy 15. Comment
  POM12777  Mimulus latidens P. A. Munz, I. M. Johnston 1922-5-19 5378 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  UCR24930  Mimulus moschatus A. C. Sanders 1980-8-23 1752 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  UC26999  Mimulus nasutus H. M. Hall June 1901 2190 Riverside s side San Jacinto Mountains 1371 Comment
  CLARK-A1528-4264  Mimulus pilosus John C. Roos 1936-9-15 2511 Riverside San Jacinto Mountains Comment
  RSA583954  Mimulus pilosus R. G. Swinney 1993-6-24 2351 Riverside San Gabriel Mountains. 1.6 miles NW of junction 3N33 and 3N06, N of Shade campground. 1643 Comment
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Dec 5 2014
  RSA650913  Mimulus puniceus Carol Zuck 1981-2-16 39 Riverside On [Hwy] 74, 14.8 miles southest of Santa Rosa Rd. overlooking Elsinore. Comment
  HSC85301  Minuartia douglasii Steve Boyd 1986-5-7 1849 Riverside Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, S of I-15 Comment
  UCR90747  Mirabilis californica Scott D. White 1995-4-5 2746 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  UC1136596  Mirabilis laevis var. crassifolia R. St. John 1931-3-17 197 Riverside hill N of Corona 310 Comment
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Nov 27 2011
  RSA450140  Mirabilis laevis var. villosa J. C. Roos 1966-3-26 s.n. Riverside 2 miles SE of Desert Center. Comment
  RSA735402  Mirabilis laevis var. villosa Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11232 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  CLARK-A1528-4223  Mohavea confertiflora John C. Roos 1958-3-29 Riverside Orocopia Mountains 304 Comment
  POM13891  Mohavea confertiflora Philip A. Munz, D. D. Keck 1922-4-9 4825 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  RSA408763  Mohavea confertiflora George R. Johnston, G. R. Johnston 1930-4-14 14660 Riverside Shaver's Well Riverside. Comment
  RSA4943  Mohavea confertiflora Carl B. Wolf 1932-4-27 3054 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  RSA709912  Mohavea confertiflora Sarah J. De Groot, Leland Lubinsky, Naomi S. Fraga, Lisa Rojas 2005-2-10 4616 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA758321  Mohavea confertiflora Doug Goldman 2005-3-3 3024 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  UCD124029  Mohavea confertiflora C. W. Tilforth 1967-2-12 108 Riverside Painted Canyon, east of Mecca. Colorado Desert. Comment
  UCR1125  Mohavea confertiflora Emmylou M. Krausman 1958-3-1 09 Riverside Sonoran (Colorado) Desert, 20 yards from Pines to Palms Hwy, 2.0 miles from Hwy 111 intersection in Palm Desert 97 Comment
  JEPS63421  Monardella australis subsp. australis Carl V. Meyer 1928-7-26 548 Riverside between Deer Springs and San Jacinto Peak 2895 Comment
  SD136813  Monardella breweri subsp. lanceolata Steve Boyd, Tim Ross 1992-6-10 7634 Riverside San Mateo Canyon Wilderness Area; San Mateo Canyon Poterro Escondido. 671 Comment
  IRVC2005  Monardella linoides subsp. linoides R. H. Whittaker, W. A. Niering 1963-6-9 SJ 364 Riverside Santa Rosa Mtns: above old log mill. Peninsular Ranges 2012 Comment
  LA62720  Monardella linoides subsp. linoides Carl Epling; June 1938 sn Riverside Palms to Pines Highway Comment
  UC1499856  Monardella nana E. McClintock, J. Fenley 1937-7-10 Riverside San Jacinto Mts. trail between Tahquitz Valley and Hidden Lake Comment
  UC1499909  Monardella nana Elizabeth McClintock 1941-6-8 67 Riverside 1.2 miles east of Ribbonwood. Pines to Palms Highway Comment
  UC1499921  Monardella nana E. McClintock, H. Lewis 1941-6-29 76 Riverside Road up Santa Rosa Mt., 1/2 mi beyond canyon where stream crosses road Comment
  RSA750409  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 64 Riverside Road to Santa Rosa Mt. 2.5 miles above Pines to Palms Highway. Comment
  RSA651650  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 62 Riverside Road to Santa Rosa Mountain, 2.6 miles above Pines to Palms Highway. [Hwy 74] Comment
  RSA247308  Monardella nana subsp. tenuiflora Gary D. Wallace 1966-7-3 639 Riverside San Jacinto Mountain: Thomas Mountain, southeast of Idyllwild. Comment
  RSA750274  Monardella nana subsp. tenuiflora Elizabeth McClintock, H. Lewis 1941-6-22 74 Riverside 1.5 miles from snow gate on road to Black Mt. Comment
  RSA750285  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-10 92 Riverside San Jacinto Mts. Top of Suicide Rock. Comment
  RSA750287  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 95 Riverside Banning-Idyllwild road. At the creek beyond Stone Creek. Comment
  UC219321  Monardella nana subsp. tenuiflora P. A. Munz 1922-6-26 5833 Riverside Santa Rosa Santa Rosa Mts. 1737 Comment
  SEINET10961482  Monardella nana subsp. tenuiflora A. Graff 1993-6-24 Graff 46 Riverside San Bernadino National Forest, San Jacinto Mtns. 1.45 miles in on Black Mtn. Rd. (USNFS Rd. 4S01) from Hwy. 243, on both sides of the road, though most extensively on the right. Before intersection of 4S01 and 4S02. T4S,R2E,S23. Locally abundant in semi-shade, with Quercus kelloggi, Q. chrysolepis, Picea sp., Pinus coulteri, P. ponderosa, Arctostaphylos pringlei, Eriogonum confertiflorum, Lupinus sp., Lotus scoparius. Need USNFS permission to collect. Comment
  RSA0008280  Monardella pringlei Charlotte M. Wilder 1904-6-20 199 Riverside Declez Pass, Jurupa Hills. Comment
  CAS-BOT-BC220423  Monardella robisonii K. Stolte 1979-9-4 s.n. Riverside Joshua Tree National Monument. Zoo Rock. On the south side of Monument Route 2, +-3.8 miles NW of the entrance to Lost Horse Ranger Station. Collected on the western aspect of Zoo Rock Comment
  UCR123187  Monardella robisonii A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24612 Riverside Mojave Desert, Little San Bernardino Mtns, Split Rock, Joshua Tree National Park, north of 'Ruby' VABM 4351 on west side of road 1296 Comment
  RSA775802  Monoptilon bellioides Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 994 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  UC501449  Monoptilon bellioides Frank W. Peirson 1927-4-24 7899 Riverside Cottonwood Spring Comment
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Oct 9 2010
  UC672207  Monoptilon bellioides H. L. Mason 1928-3-10 4245 Riverside road from Indio to Palm Springs Comment
  RSA0105391  Monoptilon bellioides Henry J. Ramsey, Henry J. Ramsey 1940-4-14 2003 Riverside Colorado Desert, north of Blythe. Comment
  RSA357119  Montia fontana R. F. Thorne 1973-5-23 45520 Riverside Santa Rosa Plateau-Mesa De Colorado: Wet margin of vernal marsh 609 Comment
  CLARK-A1528-1279  Muhlenbergia asperifolia John C. Roos 1946-9-14 3002 Riverside San Jacinto Mountains 1066 Comment
  UCR2783  Muhlenbergia asperifolia F. M. Reed 1907-10-20 1982 Riverside Riverside. Spring Brook above Fairmont Park. Comment
  CAS-BOT-BC267020  Muhlenbergia filiformis Ralph Hoffmann 1929-9-6 s.n. Riverside Tahquitz Valley, Mount San Jacinto 2438 Comment
  POM14440  Muhlenbergia microsperma P. A. Munz, Johnston 1922-5-21 5550 Riverside 4 mi. N.E. of San Jacinto 457 Comment
  SEINET10389798  Muhlenbergia microsperma A. C. Sanders, Jim Malusa 2015-3-9 41361 Riverside Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  UCD86834  Muhlenbergia microsperma G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2724 Riverside Colorado Desert: Chuckwalla Valley; 0.3 mile S of Checkwalla Rd. on Graham Pass Rd. Comment
  UCR116787  Muhlenbergia microsperma A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24159 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  JOTR30811  Muhlenbergia porteri Andre, Jim, Tasha La Doux 2008-9-16 10689 Riverside Joshua Tree National Park. along Bell Mountain Rd. atop Bell Mountain, approximately 0.3 miles north of radio tower. Queen Mountain USGS 7.5 min quad Near 34 00.35' N 116 00.017' W 1358 Comment
  SEINET10468383  Muhlenbergia richardsonis David B. Dunn 1946-8-18 Dunn 2757 Riverside Found Jolly Springs ravine on trail up Devil's Slide. San Jacinto Mts. Wellman Sieniga, damp soil. Comment
  RSA129668  Muhlenbergia rigens H. S. Yates 1936-8-29 6381 Riverside Near Pine Flats 1829 Comment
  UCR156471  Muhlenbergia rigens T. B. Salvato, A. C. Sanders 2005-5-17 893 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
  RSA91746  Muhlenbergia rigens F. W. Peirson 1921-3-23 2373 Riverside Deep Canyon south of Coachella Valley 335 Comment
  SD81333  Myriopteris cooperae Samuel B. Paris Unknown Riverside San Jacinto Comment
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Dec 5 2013
  RSA0006065  Myzorrhiza hutchinsoniana W. Hutchinson 1921-04 3407 Riverside Near Palm Springs. Comment
  UCSB5296  Nama demissa Haller, John 1957-3-23 Riverside Southern boundary of Joshua Tree Nat'l. Mon.; 4 air miles S. of Cottonwood Springs; 1 mi. N of jct. with US 60 609 Comment
  RSA779007  Nama hispida var. spathulata Duncan S. Bell 2010-4-1 641 Riverside Arica Mountains: collecting near the Atchinson, Topeka, and Santa Fe railroad tracks approximately 3 air miles east of Priest Well, or approximately 4.3 air miles southeast of the ghost town of Rice. 216 Comment
  RSA494634  Nassella cernua Maureen H. Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  RSA496122  Nassella cernua Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2999 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 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
  UC167229  Nassella lepida Bertha E. Britain 1905-5-30 6239 Riverside near Riverside; Box Springs Comment
  RSA487543  Nassella pulchra Bill Wagner 1988-3-2 s.n. Riverside Glenoaks Road about 2.5 mi S if Lake Skinner and ca. 8 mi NE of Temecula. 564 Comment
  UCR280982  Navarretia atractyloides Mitch Provance 2017-5-25 517- 68 Riverside Temescal Valley, 0.3 to 0.5 miles SE of Indian Truck Trail, between Temescal Canyon Rd. and Hwy. 15 361 Comment
  UCR92336  Navarretia atractyloides Scott D. White, M. D. Wilcox 1995-7-13 3476 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
  RSA550479  Navarretia fossalis D. E. Bramlet 1992-5-8 2273 Riverside The site is south and west of the San Jacinto Wildlife Area, approximatly 1.2km north of Lakeview. It is located 700m. west of Davius Road, 61m north of Marvin Road. and 30m east of the San Jacinto River levee. 433 Comment
  UCR254627  Nemacaulis denudata var. gracilis Jim Andre, Glenn Clifton, Ron Kelley 2013-3-21 24394 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
  RSA0126449  Nemacladus longiflorus var. longiflorus Mary F. Spencer 1921-7-7 1661 Riverside Tahquitz Trail. Idyllwild. San Jacinto Mtns region. 1829 Comment
  SEINET10461021  Nemacladus pinnatifidus Willis L. Jepson 1928-4-25 Jepson 12601 B Riverside Cottonwood Springs, Eagle Mountains, Colorado Desert 732 Comment
  RSA0124735  Nemacladus ramosissimus Duncan S. Bell, LeRoy Gross 2016-3-31 9193 A Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 492 Comment
  RSA777733  Nemacladus sigmoideus J. Andre, G. L. Clifton 2011-2-22 17450 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca 219 Comment
  UC29179  Nemacladus sigmoideus W. G. Wright 1889-1 1766 Riverside Colorado Desert Comment
  POM3455  Nemophila menziesii H. M. Hall 1897-4-7 s.n. Riverside Winchester, Riverside Comment
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Mar 20 2011
  RSA421344  Nemophila menziesii N. C. Cooper 1945-5-5 2262 Riverside San Gorgonio Mountains above Banning. 915 Comment
  RSA523373  Nemophila menziesii G. H. True 1935-3-1 28 Riverside Box Springs. 366 Comment
  UC67145  Nemophila menziesii Daniel Cleveland 1882-4-24 Riverside Temecula Comment
  UC702011  Nemophila menziesii Frank W. Gould 1943-4-17 2127 Riverside on road to Elsinore 12 mi s Corona; s of Corona Comment
  UCR35124  Nemophila menziesii var. integrifolia L. B. Ziegler 1968-5-1 280 Riverside San Jacinto Mtns., at Chimney Flats 1468 Comment
  RSA210980  Nicotiana bigelovii var. wallacei C. W. Tilforth 1969-7-27 230 Riverside West of Lake Elsinore, at summit along Hiway 74. Comment
  POM50373  Nicotiana glauca W. W. Eggleston 1924-3-8 195249 Riverside Hemet. 480 Comment
  UCR245989  Nicotiana obtusifolia Duncan S. Bell 2012-9-13 4186 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  UCR41350  Nicotiana obtusifolia N. M. Fellows, A. C. Sanders 1985-5-7 162 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
  RSA0018755  Nicotiana obtusifolia Kraemer 1929-3-17 s.n. Riverside S. La Quinta. Comment
  UCR6135  Nicotiana quadrivalvis C. M. Bringle 1967-4-2 B670402- 3 Riverside Riverside, Mockingbird Canyon off Jackson St., 0.2 mi past 1645 Jackson, in ravine on S side, about 1/4 mi out 351 Comment
  SD227672  Nolina bigelovii A. C. Sanders, G. Helmkamp, O. Clarke, B. Pitzer, et al 1996-11-9 19645 Riverside Colorado Desert: Orocopia Mtns., near Bob's Cabin, 5 mi. (air) S of Hayfield Pump Sta., E of Maniobra V., central sect. of (N of peak 2552 to BMk 1899) arroyo 609 Comment
  RSA58896  Nolina parryi Sara M. Schenck 1950-6-8 15480 Riverside Below dam in wash above Desert Queen Mine, Joshua Tree National Monument. Comment
  CAS-BOT-BC71168  Notholaena californica Nancy Ryan Zabriskie; Walter Zabriskie 1971-3-7 357 Riverside Andreas Canyon, east slope San Jacinto Mts. Comment
  UCR142524  Notholaena californica subsp. californica I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Palm Canyon 427 Comment
  UCR132749  Notholaena parryi Scott D. White 1993-2-5 1048 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
  UC64206  Nuttallanthus texanus H. M. Hall 1897-3-20 416 Riverside vicinity of Winchester; Southern California Comment
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Mar 20 2011
  RSA0056389  Oenothera brevipes J. R. Shevock 1971-5-8 1033 Riverside Joshua Tree National Monument. 701 Comment
  RSA192049  Oenothera californica subsp. californica E. W. Lathrop 1960-5-7 5243 Riverside Murrieta. Comment
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Mar 14 2014
  UC1093119  Oenothera californica subsp. californica Richard Snow 1957-4-1 318 Riverside 11 mi w of Riverside (on Highway 60) Comment
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Mar 23 2014
  CSUSB207  Oenothera deltoides Linda Stangor 1974-4-18 Riverside Windy Point; South side of Windy Point dunes. Comment
  UCR16380  Oenothera deltoides S. J. Southwell 1971-5-2 s.n. Riverside Sonoran (Colorado) Desert, Windy 'Gap' [Point] sand dune, c. 10 mi. NW of Palm Springs on Hwy 111 305 Comment
  UCR85080  Oenothera deltoides A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16033 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  POM355581  Oenothera deltoides subsp. deltoides Francis Fultz s.n. Riverside Colorado Desert. Comment
  RSA562058  Oenothera deltoides subsp. deltoides Steve Boyd, C. Boyd, K. A. Boyd 1992-4-19 6926 Riverside N end of the Granite Mtns on sandy bajada along poweline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  UCR198169  Oenothera primiveris subsp. bufonis Michael Honer, Theresa Miller 2005-3-11 2062 Riverside Northeastern Colorado Desert, Rice Valley, 4.5 mi south-southeast of Rice, 1.5 mi east of ATSF railway 220 Comment
  CLARK-A1528-2648  Oenothera speciosa Charles S. Papp 1965-6-16 860 Riverside Highgrove Comment
  CSUSB217  Oenothera speciosa C. M. Flanagan 1971-5-21 Riverside Sun Valley Drive, 29 Palms. Comment
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Mar 26 2014
  JEPS65559  Olneya tesota Marjorie Clary 1931-5-31 313 Riverside Mecca, Painted Canyon Road Mecca; , Painted Canyon Road Comment
  RSA0112049  Olneya tesota Duncan S. Bell 2009-10-10 503 Riverside East side of the Arica Mountains; west side of Rice Valley. 211 Comment
  UC718132  Opuntia X occidentalis C. B. Wolf and P. C. Everett 1938-9-29 9462 Riverside 9 mi from Temecula (on road to Aguanga); Fork of Temecula Wash 335 Comment
  SD161068  Opuntia X vaseyi Scott D. White 1999-5-20 7373 Riverside Perris Basin: Perris/Sun City area, just east of Goetz Road and south of Ethanac Road, ca 1I(c)-2 miles west of I-215 freeway. USGS Romoland 7.5' quad. (IPB 9/07) 440 Comment
  POM284054  Opuntia chlorotica Lyman Benson 1955-12-6 15626 Riverside San Jacinto Mountain Range. Pines-to-Palms Highway. 1220 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
  UCR42627  Opuntia littoralis A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-21 6467 B Riverside San Jacinto Mountains Foothills, Bautista Canyon, 2 mi above the dam, southeast of Hemet 610 Comment
  UCR133408  Opuntia parryi Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 326 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  SEINET2057454 Image available Opuntia phaeacantha Karin Cleary 1987-5-21 73 Riverside San Jacinto, chaparral N side of Gilman Springs Rd., 0.4 km SE of the intersection of Gilman Springs Rd and Bridge St. 463 Comment
  RSA20704  Opuntia polyacantha var. erinacea C. B. Wolf 1938-6-11 9419 Riverside San Jacinto Mountains, Palms to Pines Highway, at Ribbonwood. 1067 Comment
  POM50272  Opuntia vaseyi L. R. Abrams 1908-07 s.n. Riverside Elsinore. Comment
  HSC84099  Orcuttia californica R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47312 Riverside Rancho California, Mesa de Burro. Santa Rosa Plateau 610 Comment
  NY9653  Orcuttia californica P. A. Munz 1927-5-20 10804 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC355577  Oreostemma alpigenum var. andersonii Mary F. Spencer 1919-7-6 1256 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mt. 2377 Comment
  CAS-BOT-BC502750  Orobanche bulbosa John Thomas Howell 1931-5-30 6605 Riverside Santa Ana Mts., Santiago Peak Trail Comment
  RSA0070480  Orobanche cooperi subsp. cooperi Edmund C. Jaeger 1921-3-20 1056 Riverside Salton, Colorado Desert. Comment
  RSA0059251  Orobanche parishii John C. Roos 1948-5-15 3848 Riverside Upper Lost Palms Canyon, Eagle Mts., Colorado Desert. Comment
  CLARK-A1045-166  Orthocarpus densiflorus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  RSA619565  Orthocarpus purpurascens var. purpurascens D. L. Banks 1997-5-5 2003 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
  SD136900  Osmadenia tenella Steve Boyd, Tim Ross 1992-6-10 7626 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Cyn about Potrero Escondido due west of junction Tenaja and Los Alamos Rds 669 Comment
  UC6605  Oxyria digyna H. M. Hall 1897-8-11 794 Riverside n side San Jacinto Mt.; n side San Jacinto Mt.; elevation as 11800 ft 3293 Comment
  RSA189  Oxytheca trilobata J. T. Howell 1928-7-8 1047 Riverside Santa Ana Mountains above Glen Ivy 1220 Comment
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Jun 22 2019
  UCR35093  Paeonia californica L. B. Ziegler 1967-2-20 110 Riverside San Jacinto Mtns., Red Mountain Road off Hwy 79 762 Comment
  CAS-BOT-BC327894  Palafoxia arida E. A. Macgregor 1917-3-18 739 Riverside 1 mi up Painted Canon Comment
  RSA784948  Palafoxia arida Duncan S. Bell 2012-2-12 3126 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR116817  Palafoxia arida A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23948 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCD134872  Palafoxia arida var. arida G. Helmkamp 1997-11-1 2516 Riverside Bermuda Dunes, 41st St. and Sparky (just E of Washington and S of I-10). 30 Comment
  CAS-BOT-BC253749  Panicum capillare Scott D. White; Steve Ogg 1994-10-17 2489 Riverside Temecula Valley. City of Temecula, Murrieta Creek channel directly W of Cherry Street 315 Comment
  RSA69872  Panicum capillare J. C. Roos 1951-9-25 5255 Riverside Fairmount Park 259 Comment
  UCR2615  Panicum miliaceum F. M. Reed 1918-1 4012 Riverside Riverside: on Indianapolis Ave. (Spruce Street) near Kansas 268 Comment
  UCD89972  Panicum urvilleanum A. A. Beetle 1943-4-27 1937 Riverside Near Thousand Palms. Comment
  CLARK-A1045-881  Papaver californicum George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Hemet 15'Q Comment
  RSA192346  Papaver californicum E. W. Lathrop 1967-5-14 306 Riverside 1-2 miles SW of Murrieta on the De Luz road. Comment
  RSA768243  Parietaria hespera Justin M. Wood 2010-5-19 1840 Riverside Santa Ana River: +/- 1.4 miles downstream of Prado dam outlet, just NW of Green River Housing Estate. 131 Comment
  RSA561114  Parietaria hespera var. californica Steve D. Boyd, Tim S. Ross, Dave Bramlet 1993-5-12 7358 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  POM14163  Parietaria hespera var. hespera Philip A. Munz, D. D. Keck 1922-4-9 4783 Riverside Vicinity of Corn Springs, Chuckwalla Mountain, Colorado Desert. 457 Comment
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Apr 5 2011
  UCR100302  Parietaria hespera var. hespera B. G. Pitzer 1997-4-20 3192 Riverside Lakeview Mtns, Intersection of 'Dutton' Street with Voltaire Vista Road. (Note: Dutton ends in T-intersection at Sardis Lane, which makes a 90 deg. E turn onto Brent Lane, which becomes Voltaire Vista Road east of Elton Lane. Therefore, this locality is actually the intersection of Elton Lane & Voltaire Vista Road.) 610 Comment
  UCSB2977  Parkinsonia florida Keator, Glenn 1959-05 Riverside Middle section of Painted Canyon on sandy drainage basin, 6 miles from Mecca Comment
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Mar 2 2014
  RSA179519  Paspalum distichum E. W. Lathrop 1959-5-17 4570 Riverside 10 miles W of Murrieta. Comment
  SEINET10799089  Pectis papposa Billy Joe Cox 1975-10-10 Cox 4209 Riverside Palo Verde, 1-3 km W, (ca. 32 km S of Blythe). Riverside-Imperial counties. 70 Comment
  SFV7079  Pectis papposa var. papposa T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-11-16 779 Riverside Sandy wash along Agnes Wilson Road about 1.5 miles east of U.S. Highway 95. 104 Comment
  SEINET3347427 Image available Pectocarya heterocarpa Jim Andre, T. La Doux 2009-2-25 10834 Riverside Sonoran (Colorado) Desert; Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  RSA659689  Pectocarya linearis J. C. Roos 1952-2-29 5371 Riverside Reche Canyon. 457 Comment
  UCR241934  Pectocarya linearis A. C. Sanders, Timothy W. Chumley 2013-3-28 40695 Riverside Peninsular Range, Temescal Canyon Rd. at Pacific Clay Products plant/Bernard St., c. 1 mile north of Lake St. 370 Comment
  RSA770296  Pectocarya linearis subsp. ferocula Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4582 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR282315  Pectocarya linearis subsp. ferocula Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-29 863 Riverside San Bernardino Mountains, Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  RSA0039459  Pectocarya penicillata A. C. Sanders, Timothy W. Chumley 2013-4-2 40734 Riverside Temescal Canyon at west side of Horsethief Canyon Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 390 Comment
  RSA673717  Pectocarya penicillata Scott D. White, W. LaHaye 2000-5-27 7925 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCR157954  Pectocarya penicillata T. B. Salvato, A. C. Sanders 2005-5-17 915 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR174385  Pectocarya penicillata A. C. Sanders 2006-5-19 32416 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
  JEPS88955  Pectocarya platycarpa Rimo Bacigalupi with Paul Hutchison 1958-2-19 6198 Riverside 9.4 mi n Blythe; w base of Big Maria Mts., in wash 167 Comment
  RSA501012  Pectocarya recurvata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3131 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  RSA695831B  Pectocarya recurvata J. R. Bruff 1928-4-2 97 -B Riverside Canyon wash west of Morango Comment
  SEINET241497  Pectocarya recurvata A. C. Sanders 2001-3-20 23850 Riverside Western Colorado Desert: Coachella Vlly, Garnet, N side of 19th Ave, 0.5 mi(air) NW of intersxn of I-10 & Indian Ave. 235 Comment
  SEINET3083986 Image available Pectocarya recurvata P. Leary 1975-2-2 876 Riverside 2.4 miles southeast of White Tank in Wilson's Canyon, Joshua Tree National Monument. Comment
  SFV6308  Pectocarya recurvata T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 47 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Sandy wash. Comment
  UCR60255  Pectocarya recurvata Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3198 Riverside Peninsular Range, Vail Lake area, W end of bench on S flank of Oak Mtn. 549 Comment
  UCR138805  Pedicularis densiflora D. L. Banks, J. Moreno 1997-2-5 1247 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  RSA0030780  Pedicularis semibarbata N. C. Cooper 1944-6-17 1409 Riverside San Jacinto Mtns. Pine Cove. 1677 Comment
  UCR190496  Pelargonium denticulatum T. B. Salvato 2007-10-10 3068 Riverside Upper Santa Ana River Basin/San Bernardino Valley, Riverside, residence at 1009 Bascomb Drive 305 Comment
  CHSC8341  Pellaea andromedifolia Edward L. Smith 1958-3-6 343 Riverside Located at Coldwater Canyon, Glen Ivy, sw side of Temescal Canyon Road, Temescal Mtns. 762 Comment
  SEINET9628401 Image available Pellaea andromedifolia E. K. Balls, P. C. Everett 1957-11-13 22796 Riverside Snow Creek, n. base, San Jacinto Mts. Comment
  CAS-BOT-BC422327  Pellaea mucronata subsp. mucronata Andrew Townesmith; Karen M. Meyer; Tracy Scott 2007-3-17 693 Riverside San Bernardino National Forest, San Jacinto Ranger District. Lake Hemet fishing access, 1.2 miles west of route 74 on Forest Service road 6S15. 1334 Comment
  UCD89445  Pennisetum clandestinum Marvin Miller 1956-5-1 s.n. Riverside Riverside County. Comment
  UCR226913  Pennisetum setaceum Jim Andre 2011-2-2 16214 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  RSA97212  Penstemon X parishii R. M. Straw 1953-6-24 480 Riverside Idyllwild-Banning Rd., 6.5 mi. S. of Banning. 1143 Comment
  JEPS11205  Penstemon californicus P. A. Munz and I. M. Johnston 1922-5-21 5445 Riverside two mi below Kenworthy (San Jacinto Mts.); , Thomas Valley, below Kenworthy 1371 Comment
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Mar 25 2011
  JEPS3111  Penstemon centranthifolius W. L. Jepson 1939-4-17 19163 Riverside on State Highway No. 71, 3 mi e Temecula; e of Temecula Comment
  POM49149  Penstemon centranthifolius Philip A. Munz 1924-5-18 8132 Riverside 18 miles from Banning on Idyllwild Road Alt. 1524 Comment
  UCR35260  Penstemon centranthifolius L. B. Ziegler 1967-6-1 148 Riverside San Jacinto Mountains, Hemet Valley, near Hemet Lake. 1341 Comment
  SFV17409  Penstemon clevelandii M. S. Valenzuela 1998-6-6 74 dup. Riverside Highway 74 near Santa Rosa Mountain Road. 1220 Comment
  SBBG54340  Penstemon labrosus C. Davidson 1978-6-15 7386 Riverside trail to top, Santa Rosa Peak 2407 Comment
  RSA412472A  Penstemon rostriflorus Albert J. Perkins 1916-9-20 s.n. Riverside Tahquitz Valley. Comment
  UC219085  Penstemon rostriflorus P. A. Munz 1922-7-6 6007 Riverside trail from Fern Valley to Tahquitz V.; San Jacinto Mts., trail fr Fern Valley to Tahquitz V. 2133 Comment
  UCD124326  Penstemon spectabilis R. N. Raynor 1938-6-20 s.n. Riverside southwest side of San Jancinto Mountain. 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-BC77492  Peritoma arborea var. angustata W. R. Dudley 1903-12-28 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC77495  Peritoma arborea var. angustata R. Bacigalupi 87 Riverside Canyon Springs Comment
  SD39386  Peritoma arborea var. angustata Jack Rempel 1931-4-11 Riverside Colorado Desert near Palm Springs Railroad Station. Comment
  CAS-BOT-BC355983  Perityle emoryi D. A. Johansen; J. A. Ewan 1932-4-10 7059 Riverside Mouth of Tahquitz Canyon, western Colorado Desert Comment
  RSA0118595  Perityle emoryi Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7646 Riverside Mecca Hills: hills around Shaver's Well, along Box Canyon Road; south edge of Shaver's Valley, east-northeast of Mecca. 294 Comment
  RSA758331  Perityle emoryi Doug Goldman 2005-3-3 3041 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  UCR227293  Perityle emoryi Jim Andre 2011-2-9 15928 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCR52231  Perityle emoryi Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2153 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  JOTR35180  Persicaria lapathifolia Harding, Mitzi, T. Herskovits 2011-9-14 162 Riverside Joshua Tree National Park. Queen Mountains; west side of Barker Dam; small riparian zone in and along drainage from dam 1300 Comment
  CDA36682  Petalonyx linearis T. C. Fuller 1961-1-1 5492 Riverside West of Highway 99, 1.5 miles south of Oasis. 0 Comment
  RSA0012644  Petalonyx thurberi April Garbat, Kristin Forgrave 2013-6-11 81 Riverside Box Canyon Rd near I-10, Cottonwood Springs Rd exit. 67 Comment
  UCR17237  Petalonyx thurberi N. R. Zabriskie, W. W. Zabriskie 1971-10-23 452 Riverside Western Colorado Desert/ San Jacinto Mtns, near Andreas Canyon Club Gate, South Palm Canyon Drive, Palm Canyon drainage, E slope of San Jacinto Mtns Comment
  UCR281925  Petalonyx thurberi A. C. Sanders, Jim Malusa 2017-9-20 43345 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, in canyon 2 km NW (303 deg. ) of Tabaseca Tank, 6.2 km SE of Salt Creek at mouth of Red Canyon 573 Comment
  LA49852  Petalonyx thurberi subsp. thurberi Norman C. Cooper; 1944-7-15 1574 Riverside San Jacinto Mountains, Palms to Pines Highway 152 Comment
  RSA741554  Petunia parviflora Justin M. Wood 2008-9-22 159 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR92254  Petunia parviflora Scott D. White, Steve Ogg 1994-10-17 2492 Riverside SW Perris Basin, Temecula: Murrieta Creek channel directly west of Cherry Street 311 Comment
  RSA0126546  Peucephyllum schottii Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8760 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Martinez Slide to the north of Toro Canyon, approximately 4.75 air miles northeast of the summit of Martinez Mountain. 152 Comment
  POM211621  Phacelia affinis A. M. Alexander, Louise Kellogg 1941-5-5 2123 Riverside Los Horse Valley. 1280 Comment
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Feb 4 2013
  POM13912  Phacelia ambigua P. A. Munz, D. D. Keck 1922-4-9 4759 Riverside Shavers Well, near Mecca. 76 Comment
  RSA305910  Phacelia ambigua P. A. Munz 1940-3-17 s.n. Riverside Rocky hillside, road from 29 Palms to Indio, about half way, San Bernardino Mts. Comment
  UCR275538  Phacelia ambigua D. E. Bramlet 2010-3-1 4459 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  UCR232389  Phacelia ambigua var. minutiflora Dave Silverman, Onkar Singh 2010-3-27 8056 Riverside Sonoran (Colorado) Desert, north edge of Palo Verde Mesa, 150 m south of McCoy Wash, 5.3 km WSW of Mesaville Siding, and 6.1 km north of Blythe Airport 137 Comment
  POM264088  Phacelia brachyloba J. C. Roos 1937-6-7 669 Riverside South of Sage. Comment
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Oct 7 2014
  RSA0035801  Phacelia brachyloba A. C. Sanders, T. B. Salvato 2014-7-2 41184 Riverside Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCR160706  Phacelia brachyloba Ian G. Gillespie, Summer Karsh 2000-5-13 43 Riverside San Jacinto Mtns., Twin Pines Ranch Road off of Hwy 243, below McMullen Flat 1250 Comment
  RSA427709A  Phacelia campanularia Ora M. Clark 1929-2-23 1551 Riverside N. Whitewater. Comment
  SD4103  Phacelia campanularia Ruth B. Randall 1926-2-22 Riverside Whitewater Pass Comment
  RSA124430  Phacelia campanularia subsp. vasiformis Percy C. Everett, E. K. Balls 1958-5-4 23082 Riverside Morongo Canyon. 671 Comment
  POM99023  Phacelia campanularia subsp. vasiformis E. C. Jaeger 1926-4-26 s.n. Riverside Eagle Mts, 30 miles E of Mecca Comment
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Sep 7 2011
  RSA680847  Phacelia cicutaria var. hispida Scott D. White, Michael Honer 2003-4-2 8907 Riverside Temescal Valley: Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  CLARK-A1528-5435  Phacelia crenulata John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  OBI26128  Phacelia crenulata David J. Keil 1976-12-12 11906 Riverside Ca. 5 mi E of Indio along I-10 Comment
  JOTR35303  Phacelia crenulata var. ambigua Andre, Jim 2012-4-11 20802 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
  JOTR37494  Phacelia crenulata var. ambigua Hodges, Stephen R., L. Ashfield 2016-1-20 623 Riverside Joshua Tree National Park. Eagle Mountains, Black Eagle Mine road, northern edge of mountains near eastern park boundary (Stop 1). Comment
  UCR227054  Phacelia crenulata var. ambigua Jim Andre 2011-2-9 15925 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  CAS-BOT-BC133957  Phacelia distans John H. Thomas 1957-3-29 6517 Riverside Between Banning and Cabazon, about 2 miles east of Banning near railroad tracks. 609 Comment
  CHSC35344  Phacelia distans James Henrickson 1973-3-18 8600 Riverside 16 (air) miles E of Temecula, 2.9 miles E of Aguanga along Hwy 71. 822 Comment
  HSC93338  Phacelia distans Scott D. White 1996-4-14 3902 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Hwy. 74, 1.7 mi. W of USFS Cranston Fire Station 534 Comment
  JOTR16721  Phacelia distans Knuckles, Penny 1974-5-10 4 Riverside Joshua Tree National Park. JUMBO ROCKS CAMPGROUND Comment
  RSA125556  Phacelia distans R. Weatherby 1949-5-21 489 Riverside Between Raduc and Hemet. 610 Comment
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May 29 2013
  RSA23173  Phacelia distans I. L. Wiggins 1938-3-25 8927 Riverside Eagle Canyon, 3-5 miles south of Palm Springs. Comment
  RSA426205  Phacelia distans N. C. Cooper 1944-3-25 1017 Riverside Morongo Pass. 457 Comment
  RSA778137  Phacelia distans Jim Andre 2011-2-2 16208 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  UCR104929  Phacelia distans A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20641 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR41276  Phacelia distans B. G. Pitzer 1986-2-9 0001 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains: Martinez Canyon, SW of Valerie Jean, on upper fan, c. 1 mi east of mouth of canyon 122 Comment
  UCR41340  Phacelia distans N. M. Fellows, A. C. Sanders 1985-4-9 154 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
  POM9586  Phacelia distans I. M. Johnston 1920-5-8 s.n. Riverside Near Wineville [RR Station] in sand by road. [Wineville = Mira Loma] Comment
  SD255773  Phacelia imbricata Mitch Provance 2012-5-24 512 06 Riverside San Bernardino Mountains; Banning, foothills and alluvial fan near bordeer with Beaumont, NE of the intersection of Highland Springs Ave. and Silson St. 868 Comment
  RSA617440  Phacelia minor B. Pitzer 1997-3-23 2990 Riverside Lakeview Mtns, ca. 1 air mile SSW of Mt. Rudolph, along powerline rd 0.3 mile E of Contour (Juniper Flats) Rd. 610 Comment
  UC107319  Phacelia minor Katharine Brandegee 1905-5-12 Riverside near Riverside; Wilder's Comment
  UCR274288  Phacelia minor T. B. Salvato, Melissa Clemons 2005-6-6 1414 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  POM12656  Phacelia mutabilis P. A. Munz 1922-9-7 6402 Riverside Tamarack Valley 2805 Comment
  UC729828  Phacelia mutabilis Carl B. Wolf 1932-8-5 3936 Riverside along trail from Tahquitz Valley to San Jacinto Peak; San Jacinto Mts. 2621 Comment
  POM122256  Phacelia ramosissima var. latifolia Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  SBBG37504  Phacelia tanacetifolia R. N. Muller 1967-5-4 Riverside 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
  UCR201483  Phalaris aquatica Scott D. White, Justin M. Wood 2008-6-16 12107 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  RSA291570  Phalaris aquatica C. W. Tilforth, B. Busenberg 1980-6-17 2022 Riverside Flat at large telephone signal reflector panel, south end of Thomas Mountain Road, south of Lake Hemet and west of Hwy 74 Comment
  UCR126974  Phalaris paradoxa A. C. Sanders, T. B. Salvato 2003-5-9 26590 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  UC23902  Phlox austromontana H. M. Hall May 1899 1168 Riverside Coyote Canyon San Jacinto Mts., El Toro Mt. 1645 Comment
  RSA0043161  Pholistoma auritum var. auritum Scott D. White, Justin M. Wood 2008-3-25 11784 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  UCR263480  Pholistoma membranaceum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41484 Riverside San Gorgonio Pass, 3.15 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 449 Comment
  POM91318  Pholistoma membranaceum E. C. Jaeger 1925-12-20 s.n. Riverside Eagle Canyon, 5 miles E of Palm Springs Comment
  UC605036  Pholistoma racemosum S. B. Parish 1880-6-12 Riverside near Agua Caliente Comment
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Sep 16 2016
  RSA0093969  Phoradendron californicum A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40510 Riverside Sonoran (Colorado) Desert. Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road. 695 Comment
  RSA466267  Phoradendron californicum D. Kucera 1987-11-14 s.n. Riverside Malki Museum garden, E of Banning off Fields Rd., Morongo Indian Reservation. 610 Comment
  SD212753  Phoradendron californicum A. C. Sanders, J. Andre, et al. 2005-2-26 29129 Riverside Southeast of Highway 177 toward dunes above Palen Dry Lake, southeast end of Coxcomb Mountains. 167 Comment
  UC1550227  Phoradendron californicum Dennis Kucera 1987-11-14 Riverside e. Banning (off Fields Rd., Malki Museum garden, Morongo Indian Reservation); Morongo Indian Reservation, Malki Museum garden 609 Comment
  UC6076  Phoradendron californicum J. Burtt Davy 1893-3-14 45 Riverside Indio Comment
  RSA592672  Phoradendron densum Scott D. White, D. Haselfeld 1996-7-2 4264 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  SD137586  Phoradendron macrophyllum Darin L. Banks, Steve Boyd 1995-10-17 823 Riverside NW Palomar Mountains; Agua Tibia Mountains, Cleveland National Forest, Dripping Springs Campground 487 Comment
  UCR91721  Phoradendron macrophyllum A. C. Sanders, J. Goetzen 1996-5-1 18141 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  RSA33478  Phoradendron villosum N. C. Cooper 1944-7-16 1386 Riverside Pine Cove. Comment
  UC6105  Phoradendron villosum H. M. Hall July, 1901 2531 Riverside s. side San Jacinto Mts. San Jacinto Mts. 1615 Comment
  RSA735792  Phragmites australis Steve Boyd 2007-4-20 11721 Riverside Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of ''Walsh Canyon,'' ca. o.5 miles from junction with Lindel (aka Stovepipe) Road., On southwest facing slope just above old Melia azedarach and across from driveway leading to 26875 Walsh Road. 549 Comment
  UCR200324  Phragmites australis Steve Boyd 2007-4-20 11721 Riverside Peninsular Ranges: Perris-Aguanga Basin, southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of 'Walsh Canyon,' c. 0.5 mi from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia adzedarach and across from driveway leading to 26875 Walsh Road 549 Comment
  JEPS8988  Physalis crassifolia W. L. Jepson and W. C. Mathews May 1914 6028 Riverside n of Indio (County Well); Colorado Desert Comment
  RSA15522  Physalis crassifolia L. S. Rose 1936-1-1 36001 Riverside 19 mi. N of Indio, Aqueduct Rd. 610 Comment
  JOTR01203  Physalis crassifolia Cole, James E. 1941-4-13 593 Riverside Joshua Tree National Park. SUMMIT OF PINTO PASS Comment
  UCR23754  Physalis lancifolia John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Blythe 76 Comment
  CAS-BOT-BC60792  Physaria tenella C. L. Hitchcock 1940-3-31 5881 Riverside Cottonwood Springs, 0.5 mile below Spring. Comment
  CAS-BOT-BC60795  Physaria tenella Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs. Comment
  CAS-BOT-BC60806  Physaria tenella Roxana S. Ferris 1953-3-13 12607 Riverside Road along Coachella Canal east of Bat Caves Buttes near Imperial County line. Comment
  UCR22007  Picris echioides Steve Boyd 1980-9-8 342 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  CAS-BOT-BC78556  Pinus coulteri P. C. Everett 1935-6-18 7206 Riverside Santa Ana Mts., Coldwater Can. Trail, about 2 mi. below (N.) main divide motorway 1219 Comment
  UCR241203  Pinus coulteri Tracy Tennant, Jeffrey Ross 1998-4-9 MOR- 1013 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Wood Canyon, east of upper Potrero Canyon 1305 Comment
  UCR8099  Pinus coulteri B. Freeman 1969-3-24 690324- 01 Riverside San Jacinto Mtns., James Reserve, c. 20 m west of Indian Creek. 1646 Comment
  CAS-BOT-BC78597  Pinus flexilis Winifern W. Swarth 1914-9-10 s.n. Riverside Divide west of Tahquitz Valley, San Jacinto Mts. 2438 Comment
  JEPS48429  Pinus monophylla W. L. Jepson 1914-5-18 6034 Riverside Pinyon Well Canyon, n borders Colorado Desert Colorado Desert, Pinyon Well Canyon Comment
  SD80146  Pinus monophylla Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 379 Riverside Santa Rosa Mountains, north slope, Deep Canyon, about 2 miles south of Highway #74 1310 Comment
  SBBG358  Pinus quadrifolia M. Van Rensselaer 1937-9-21 Riverside W of Vandeventer Flat Comment
  UCD14088  Pinus quadrifolia Stephen K. Langer 1995-4-8 s.n. Riverside California, Riverside Co.; Highway 371, ca. 0.5 mi. from junction with Highway 74, Santa Rosa Mountains, Comment
  UCR31326  Piperia elongata A. C. Sanders, W. Rehlaender, N. M. Fellows 1983-6-28 3868 Riverside San Jacinto Mtns, Hwy 243 at the Poppet Flats Tuck Trail 1220 Comment
  UCR147593  Piperia transversa Naomi Fraga, S. DeGroot 2004-7-8 1300 Riverside Peninsular Ranges; San Jacinto Mountains region, On Chimney Flats Road (5S06) near intersection of 5S04 (the road to Alvin Meadows) 1524 Comment
  UCR23995  Piptatherum miliaceum John C. Roos 1965-6-19 s.n. Riverside Peninsular Range; Santa Ana Mtns, Sky Line Drive, south of Corona Comment
  RSA615136  Pistacia atlantica A. C. Sanders 1997-3-1 19727 Riverside Riverside: UCR Campus., 33Y 58 N, 117Y 19 W 335 Comment
  UCR91216  Pityrogramma triangularis var. triangularis Scott D. White 1996-3-31 3858 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  UCR169784  Plagiobothrys arizonicus Scott D. White, Angelia Carey 2004-4-5 10001 B Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  CLARK-A1528-2258  Plagiobothrys californicus John C. Roos 1941-4-19 Riverside Reche Canyon Comment
  UC882308  Plagiobothrys canescens Alice Eastwood and John Thomas Howell 1937-4-24 3917 Riverside Elisnore Summit of Santa Ana Mts. Comment
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May 31 2012
  UCSB45581  Plagiobothrys canescens Roos, John 1952-4-30 Riverside Hills between Camp Haan and Riverside 518 Comment
  SEINET244317  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2001-3-30 23863 Riverside Perris-Aguanga Basin; Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada 366 Comment
  RSA659691  Plagiobothrys collinus var. californicus J. C. Roos 1952-2-29 5368 Riverside Reche Canyon. 457 Comment
  RSA617820  Plagiobothrys leptocladus R. E. Riefner 1998-4-22 98 -288 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  RSA659779  Plagiobothrys leptocladus J. C. Roos 1966-3-24 s.n. Riverside Edgemont. Comment
  RSA785183  Plagiobothrys leptocladus D. E. Bramlet 1992-4-29 2260 Riverside San Jacinto Valley, 8 km SW of Hemet, NW of the intersection of California Ave. and Stowe Rd., c. 250 ft. north of Stowe Rd. and c. 350 ft. west of California Ave. 456 Comment
  UCR97261  Plagiobothrys leptocladus Scott D. White 1993-3-12 1155 Riverside Perris-Aguanga Basin Region, near Winchester; Old Salt Creek Channel, between new flood control channel and Patton Ave 445 Comment
  UCR117306  Plagiobothrys nothofulvus A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 740 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  CLARK-A1045-190  Plagiobothrys tenellus George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains Southern Oak Woodland; Wildomar 7.5'Q Comment
  UCR128564  Plagiobothrys tenellus A. C. Sanders, Mitch Provance 2001-4-5 23913 Riverside Perris-Aguanga Basin region, Long Canyon, Temecula, between gas pipeline route and 'windmill,' south of BM 1221 366 Comment
  CLARK-A1528-3434  Plantago erecta John C. Roos 1937-3-5 1300 Riverside La Sierra Comment
  SEINET272396  Plantago erecta A. C. Sanders, G Helmkamp 1997-3-15 19938 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills 518 Comment
  SEINET7063423  Plantago erecta A. G. Vestal 1947-3-29 s.n. Riverside East of Lake Elsinore. UTM Zone 11, 471878mE, 3726288mN. (WGS84/NAD83). 469 Comment
  UCD124522  Plantago major R. N. Raynor 1933-5-1 s.n. Riverside Eden Hot Springs. Comment
  RSA698379  Plantago ovata J. Russell Bruff 1928-4-3 s.n. Riverside 13 miles W of Desert Center Comment
  UCR20763  Plantago ovata A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1327 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
  RSA718773  Plantago ovata Michael Honer, L. Hulse 2004-4-4 1928 Riverside SW base of Cottonwood Mtns., near MWD aqueduct, appx. .75 mi. N of I-10. E edge of Pinkham Wash. 488 Comment
  POM266057  Plantago ovata var. fastigiata C. L. Hitchcock 1940-4-4 5952 Riverside Pinto Basin. Comment
  RSA402039B  Plantago ovata var. fastigiata M. B. Dunkle 1933-3-4 3046 Riverside Painted Canyon, Colorado Desert. 30 Comment
  SBBG68779  Plantago ovata var. fastigiata M. N. Ackley 1928-4-4 792 Riverside Thousand Palms 304 Comment
  RSA773665  Plantago patagonica Duncan S. Bell, Joy D. England 2010-5-20 1028 Riverside San Bernardino National Forest: Garner Valley, approximately 2 miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1374 Comment
  CAS-BOT-BC91882  Platystemon californicus Ira L. Wiggins 1957-3-29 14109 Riverside 2 miles north of Temecula. Comment
  CAS-BOT-BC91885  Platystemon californicus Miles Fellows 1981-5-3 s.n. Riverside Near the summit of the Box Springs Hills east of Riverside. 518 Comment
  RSA612781  Platystemon californicus D. L. Banks, Victor W. Steinmann 1997-3-13 1421 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
  RSA689563  Platystemon californicus Scott D. White, Michael Honer 2003-4-25 9117 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. 610 Comment
  POM13268  Pleuraphis rigida E. C. Jaeger 1921-4-5 123 Riverside Murray Canyon. Comment
  UC573683  Pleuraphis rigida H. S. Yates 1937-3-23 6442 Riverside 15 mi nne Mecca; Thermal Quadrangle Comment
  RSA93726  Pleurocoronis pluriseta F. W. Peirson 1919-4-13 1213 Riverside Tahquitz Canyon, near Palm Springs. Comment
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Sep 18 2011
  UCR245676  Pleurocoronis pluriseta Duncan S. Bell 2010-4-2 698 Riverside Sonoran (Colorado) Desert, Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness; on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it 595 Comment
  SDSU13611  Pluchea odorata W. Miller, C. Mosse 1972-7-19 Riverside Comment
  UC35681  Pluchea odorata var. odorata E. G. Koethen 1897-10-16 A Riverside w Riverside Comment
  CAS-BOT-BC326543  Pluchea sericea Nancy Ryan Zabriskie; Walter Zabriskie 1972-3-28 484 Riverside North Canyon, Andreas Canyon drainage, east slope San Jacinto Mountains 609 Comment
  UC88356  Pluchea sericea unknown 60 Riverside Salt Creek Comment
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Mar 12 2011
  SEINET10801072  Pluchea sericea David B. Dunn, A. Folsom 1948-6-17 Dunn 3811 Riverside Above quad one. At camp in Pushawalla Canyon under palms. Comment
  SEINET193422 Image available Poa nevadensis Frank W. Gould 1944-4-5 2235 Riverside 17 miles east of Temecula on highway 79 Comment
  RSA0120477  Poa secunda Duncan S. Bell 2016-3-13 8927 Riverside Whitewater Canyon; in the vicinity of Painted Hill, approximately 2.5 air miles southeast of the Ranger Station (trout pond). 613 Comment
  SEINET1909737  Poa secunda Sarah De Groot, Beth Kempton 2006-1 5209 Riverside San Jacinto Mountains: Dirt road heading east from Castille Canyon Road toward Indian Creek, west of Poppet Flat. 658 Comment
  UCR201626  Polygonum aviculare Scott D. White, Justin M. Wood 2008-6-16 12139 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  UCR264615  Polygonum aviculare Mitch Provance 2011-6-6 17010 Riverside Badlands, San Timoteo Canyon, El Casco area, north of San Timoteo Canyon Rd. and east of Woodhouse Rd 626 Comment
  IRVC16603  Polystichum imbricans subsp. curtum Gordon A. Marsh, K. G. Marsh 1977-3-21 s.n. Riverside Santa Ana Mtns: Orange/Riverside county border; Bear Springs. Peninsular Ranges Comment
  IRVC174  Polystichum imbricans subsp. curtum Mike McCartin 1965-4-24 HS 551 Riverside highway 74; Mountain Center. Peninsular Ranges, San Jacinto Mountains Comment
  CAS-BOT-BC102592  Populus fremontii David B. Dunn; A. Folsom 1948-6-17 3812 Riverside By quad one. At camp in Pushawalla Canyon Comment
  CLARK-A1528-835  Populus fremontii Ken F. Clarke 1971-9-7 Riverside Riverside Comment
  UCR237947  Populus fremontii Mark A. Elvin, Julie M. Vanderwier, A. C. Sanders 2002-4-9 1911 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  RSA234114  Porophyllum gracile R. F. Thorne, R. Carolin 1967-3-21 41644 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  RSA552744  Porophyllum gracile Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-25 6676 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
  RSA613421  Porophyllum gracile D. L. Banks 1997-4-5 1670 B Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  RSA752140  Potamogeton pusillus Justin M. Wood, Brandy Wood 2009-7-4 1045 Riverside Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. 250 Comment
  UCR60766  Prenanthella exigua Steve Boyd, O. Mistretta 1986-3-13 1455 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UCR89888  Prenanthella exigua A. C. Sanders, E. J. Lawlor 1992-4-4 12141 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR101417  Prosopis glandulosa A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22223 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon 671 Comment
  RSA652724  Prosopis glandulosa var. torreyana N. D. Hogg 1969-5-3 s.n. Riverside 1/2 mile south of Coachella, on Hwy 111. Desert floor of Coachella Valley Comment
  LA208074  Prunus emarginata Harlan Lewis; 1937-6-4 sn Riverside San Jacinto Mountains, Idyllwild 1523 Comment
  SDSU9170  Prunus fremontii A. H. Gallup 1949-3-28 356 Riverside Palms to Pines Hwy, above Desert Center [interpreted to be Palm Desert], north slope 762 Comment
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Jan 30 2013
  RSA586932  Prunus ilicifolia subsp. ilicifolia D. L. Banks, Peter Morrell 1995-5-4 298 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 Woodchuck Trail. 549 Comment
  HSC5683  Pseudognaphalium biolettii D. W. Snell 1964-3-28 36 Riverside 1 1/2 mi. E of Hwy. 79. 5 mi. S of Hemet Comment
  RSA613888  Pseudognaphalium biolettii A. C. Sanders 1997-3-1 19714 Riverside Box Springs Mtns: Coyote Hill (Bench Mark 'Versity', 1386ft) and ridge S and SE of the UCR Botanic Garden 427 Comment
  SDSU12871  Pseudognaphalium biolettii Jill J. Steinberg, Janet Knotts & Kevin Contreras 1998-3-25 25 Riverside A few feet from switchback in raod from Santa Margarita (SDSU) Field Station trailer leading dow n into Santa Margarita River Gorge, north of river. 256 Comment
  SD20348  Pseudotsuga macrocarpa Carl Epling Apr 1937 Riverside San Jacinto Mountains, above Herkey Creek Camp Comment
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Jun 24 2009
  UCR155087  Psilocarphus brevissimus A. C. Sanders, Kelly Volansky 2005-3-17 29232 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR182525  Psilocarphus brevissimus Mitch Provance 2005-5-17 6574 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
  CAS-BOT-BC353588  Psorothamnus arborescens var. simplicifolius David Dreyer 1970-6-18 173 Riverside about 2 miles south of Palm Springs station Comment
  CAS-BOT-BC353618  Psorothamnus emoryi Geo. B. Grant 1906-4-20 6725 Riverside Palm Springs Comment
  HSC101260  Psorothamnus emoryi Jim Andre 2012-3-19 21356 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  RSA503354  Psorothamnus emoryi S. J. Myers 1988-10-18 s.n. Riverside Garnet Hill, N of Palm Springs, between the Southern Pacific railroad tracks and Hwy 10, E one-third of Granet Hill, SE to Palm Drive 206 Comment
  RSA663909  Psorothamnus emoryi C. R. Annable 1995-3-9 2259 Riverside ca. 13 km N of Rancho Mirage. BLM land behind A-1 Cement. Comment
  SFV1811  Psorothamnus emoryi E. R. Blakley 1961-9-10 4707 Riverside 20 miles west of Blythe at desert wash crossing of US-Highway 60-70. 107 Comment
  UC15159  Psorothamnus emoryi S. B. Parish Apr 4 1896-Apr 13 1896 4112 Riverside desert base of San Jacinto Mt., Palm Springs (Agua Caliente) desert base San Jacinto Mt., Palm Springs (Agua Caliente) 152 Comment
  UCD108316  Psorothamnus emoryi T. L. Secrest 1950-3-12 s.n. Riverside Near Indio. Comment
  UCSB3042  Psorothamnus emoryi Graney, Don 1953-3-21 Riverside 11 miles east of Indio-Colorado Desert Comment
  RSA66970  Psorothamnus schottii Marcus E. Jones 1924-2-26 s.n. Riverside Shavers Well. Comment
  SBBG3318  Psorothamnus schottii M. A. Piehl 1963-6-1 63532 Riverside St Hwy 74, 7.6 mi NE of Pinyon Flat cmpgrd (S of Palm Desert) 731 Comment
  UC866004  Psorothamnus schottii I. W. Clokey, B. C. Templeton 1930-4-9 4688 Riverside n Palm Springs (Colorado Desert); , n of Palm Springs 170 Comment
  CAS-BOT-BC340948  Psorothamnus spinosus Roxana S. Ferris 1918-6-14 973 Riverside Between Palm Springs and Indian Wells Comment
  CDA27787  Psorothamnus spinosus W. E. Henson Jul 1932 Riverside Coachella Valley. 0 Comment
  RSA404269  Psorothamnus spinosus Christina Clark 1929-3-17 1957 Riverside Palm Canyon Comment
  UC52157  Psorothamnus spinosus E. E. Schellenger July 25 1903-Aug 14, 1903 3 Riverside Chuckawalla Bench, Colorado Desert Comment
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Aug 27 2016
  UCSB3067  Psorothamnus spinosus DeWitt, Jack 1959-5-19 Riverside One mile S on Cathedral City on road to Palm Springs from Palm Desert Comment
  SEINET951768  Pteridaceae Norman C. Cooper 1944-1 1085 Riverside Andreas Canyon, Riverside County 457 Comment
  UCR241126  Pteridium aquilinum Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 500 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  CAS-BOT-BC421251  Pterostegia drymarioides Geo. B. Grant 1898-3-15 s.n. Riverside Riverside Comment
  CLARK-A1528-5208  Pterostegia drymarioides John C. Roos 1952-3-19 5397 Riverside Box Springs Mountains Comment
  RSA769709  Pterostegia drymarioides E. W. Lathrop 1973-6-28 7446 Riverside Bear Springs on the Main Divide Truck Trail, 1 mi E of Santiago Peak, Cleveland National Forest. Comment
  SDSU13927  Pterostegia drymarioides Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2139 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  SDSU13935  Pterostegia drymarioides Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2139 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UC6926  Pterostegia drymarioides Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  RSA263786  Pulicaria hispanica Margaret Hardinge, Crooks 1961-9-6 311 Riverside Santa Ana canyon; Davenport Ranch on Hwy 91 Comment
  JOTR16838  Purshia tridentata var. glandulosa Hogan, J. 1974-5-6 43 Riverside Joshua Tree National Park. LOWER COVINGTON FLAT PARKING AREA 1432 Comment
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Jun 9 2013
  RSA86651  Purshia tridentata var. glandulosa F. W. Peirson 1933-4-13 10645 Riverside Between Deep Canyon and Idylwild. 1524 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
  LA43654  Quercus agrifolia George A. Schaefers; 1953-5-23 sn Riverside San Jacinto Mountains, 4 mi. N of Pinon Flats, Hwy 74 1371 Comment
  SD262287  Quercus agrifolia Tom Scott Apr 2011 2011 574 Riverside San Bernardino Mtns.: south side of mountains along Mias Canyon Rd., c. 0.5 mile north of Bluff St., north of Banning. Rural / agricultural area. 863 Comment
  UCR270755  Quercus agrifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8368 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  HSC35339  Quercus agrifolia var. agrifolia A. M. Montalvo, J. D. Ackerman 1975-6-26 531 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, near Upper San Juan Campground 610 Comment
  RSA720459  Quercus berberidifolia Naomi S. Fraga, Valentin Arvizu, Elizabeth Kempton, Tim Thibault 2006-6-7 1695 Riverside East of Fobes Ranch Road, about 1/2 mile south of Fobes Ranch. 1616 Comment
  UC847960  Quercus berberidifolia I. W. Clokey and E. G. Anderson 1935-4-16 6572 Riverside e of Hemet 800 Comment
  UCD170857  Quercus berberidifolia Jeremiah George 2012-8-7 70812 6 Riverside San Jacinto Mtns. Foothills/San Gorgonio Pass, south of Beaumont, just east of intersection Highland Springs Ave. and Circle C Ranch. 747 Comment
  UCD45293  Quercus berberidifolia K. R. Montgomery 1969-7-9 69 29 Riverside Elevation 3500', Wilson Valley, 18 miles south of Hemet, Riverside County, California. 1066 Comment
  UCD57410  Quercus berberidifolia A. C. Sanders 2004-4-9 27456 Riverside San Jacinto Valley: Tres Cerritos. Ca. 3 miles WNW of Hemet. East of the Lakeview Mtns. In central valley among the three peaks. 487 Comment
  UCR250404  Quercus berberidifolia Jeremiah George 2012-8-7 70812- 1 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Hwy 60 and Oak Valley Parkway, east of Potrero Blvd. 747 Comment
  UCR264647  Quercus berberidifolia Mitch Provance, Jeremiah George 2012-8-4 812- 36 Riverside Western Riverside County, Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero 752 Comment
  UCR273002  Quercus berberidifolia Mitch Provance 2012-9-13 912- 02 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., +- 1 mi. N of entrance to CDFG Potrero Reserve. 744 Comment
  UCD45468  Quercus chrysolepis Prof. Metcalf 1919-7-1 Riverside San Jacinto Mts, Riverside County, California. Comment
  UCD45612  Quercus cornelius-mulleri Ted C. MacRae 1995-5-26 43 c Riverside California, Riverside Co., Santa Rosa Mts., Pinyon Flats cpgd., 15.5 mi S Palm Desert. E. 4000'. 1219 Comment
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Sep 7 2013
  RSA192168  Quercus engelmannii E. W. Lathrop 1965-4-4 5645 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  UCR66549  Quercus engelmannii P. A. Munz 1946-10-18 11559 Riverside 0.5 mi. south of Sage 716 Comment
  CAS-BOT-BC105324  Quercus kelloggii Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  RSA650045  Quercus kelloggii R. L. Wilander 1969-5-24 s.n. Riverside Hwy. 74 - Lake Filmore [Fulmore]. Comment
  UC455267  Quercus kelloggii I. J. Condit 1910-6-24 Riverside San Jacinto Mts. 914 Comment
  UCD46614  Quercus kelloggii Maunsell Van Rensselaer 1937-6-23 Riverside Idyllwild Inn, San Jacinto Mountains, Riverside County, California. Comment
  UCSB11445  Quercus kelloggii Olson, Jim 1962-5-5 Riverside Rd to Pine Flat Campground, 17 mi SE of Banning 1767 Comment
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Jun 24 2010
  CAS-BOT-BC6365  Quercus macdonaldii var. elegantula E. L. Greene Mar. 27 s.n. Riverside Temecula Canyon Comment
  UCR241247  Quercus wislizeni T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1211 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  RSA702743  Rafinesquia californica Scott D. White, Michael Honer 2004-4-6 10038 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  SBBG93121  Rafinesquia californica D. Mitchell 1990-4-30 Riverside W side of Sage Rd, ca. 0.5 mi S of intersection with Wilson Valley Rd 701 Comment
  UC1523405  Rafinesquia californica Robert F. Thorne, W. A. Tilforth, L. Schultz, R. K. Benjamin and J. Hogge 1980-4-16 54074 Riverside ca 3.2 mi n Whitewater P.O. and Hwy 10 (branch ravine running w from Whitewater Canyon, w of road); San Bernardino Mts., Whitewater Canyon 609 Comment
  JEPS29289  Rafinesquia neomexicana Rimo Bacigalupi, and L. Heckard, and P. C. Hutchison 1962-3-23 8360 a Riverside 1.9 mi sw San Bernardino County line (lower end of Morongo Wash); Morongo Wash 609 Comment
  RSA516898  Rafinesquia neomexicana Steve Boyd, Orlando Mistretta 1986-3-13 1417 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  RSA778629  Rafinesquia neomexicana Duncan S. Bell 2009-3-8 70 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  UCR279567  Rafinesquia neomexicana A. C. Sanders, Jim Malusa 2017-3-29 43176 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  RSA0019609  Ranunculus eschscholtzii var. oxynotus Charlotte M. Wilder s.n. Riverside San Jacino Mts Summit. Comment
  SDSU1243  Raphanus sativus D. Hunsaker 1962-4-10 Riverside Three miles SSW from Temecula. Comment
  UCR154462  Rhamnus californica Jason L. Hlebakos 2005-5-30 804 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  CAS-BOT-BC59510  Rhamnus crocea Scott D. White 1996-4-14 3918 Riverside Perris Basin - E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74 ca. 1/7 mi. W of USFS 548 Comment
  HSC93109  Rhamnus crocea Scott D. White 1996-4-14 3918 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Hwy. 74, 1.7 mi. W of USFS Cranston Fire Station 534 Comment
  SD137644  Rhamnus crocea Darin L. Banks 1995-3-15 58 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area 680 Comment
  HSC86869  Rhamnus ilicifolia E. Misquez 1987-4-11 12 Riverside Santa Ana Mtns., Walker Basin; 2 miles on Avenida de Oro from jct. with Rancho California Rd., and 4.7 miles W of Interstate 15 415 Comment
  RSA643450  Rhamnus ilicifolia A. C. Sanders 1995-11-26 17909 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, S of Hwy 371. Small cyn crossing Spanish Spur Trail ca. 0.1 mi. N of Deer Spr. Trail, 0.2 mi N of Kearsarge Rd. 1189 Comment
  POM312168  Rhododendron occidentale var. californicum N. C. Cooper 1944-6-17 1403 Riverside San Jacinto Mtns. Above Banning 1372 Comment
  CAS-BOT-BC170427  Rhus H. E. Hasse 1903-11-22 s.n. Riverside Cienega in Chio Canyon, San Jacinto Mtn. Comment
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Sep 3 2017
  UCR107749  Rhus aromatica D. L. Banks 1997-5-5 1994 Riverside NW Palomar Mtns, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pachanga Creek. east of where road crosses to southern bank of south fork of Pechanga Creek. 482 Comment
  UCR251694  Rhus aromatica T. B. Salvato 2014-4-9 7833 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  RSA502189  Rhus ovata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3715 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake Comment
  UC2015590  Rhus ovata Scott D. White 1996-3-16 3820 Riverside Perris Basin, Lakeview Mts, N of Winchester, at Maze Stone Picnic Area. Comment
  UCR275934  Rhus trilobata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3780 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  JEPS49431  Ribes cereum W. L. Jepson 1903-8-8 2320 Riverside Log Cabin, on upper trail San Jacinto Peak 2438 Comment
  RSA476153  Ribes cereum Anstruther Davidson 1892-7-4 s.n. Riverside San Jacinto. Comment
  UC11510  Ribes cereum H. M. Hall July, 1901 2353 Riverside Tauquitz Valley San Jacinto Mountains 2438 Comment
  UC858446  Ribes cereum P. A. Munz 1922-7-6 6002 Riverside Tahquitz Valley San Jacinto Mts. 2194 Comment
  POM306650  Ribes indecorum Henry J. Ramsey, Mrs. Ramsey 1938-4-23 1505 Riverside Santa Rosa Mtns. Comment
  RSA523482  Ribes indecorum Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3942 Riverside Vail Lake area, summit of Big Oak Mtn, N of Lake. Saddle between summits, along road heading N to Black Hills. 793 Comment
  RSA612841  Ribes indecorum D. L. Banks 1997-3-1 1375 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  SEINET3095399 Image available Ribes indecorum Wayne Miller 1972-4-14 720414 -2 Riverside Reche Canyon, 5 mi. from Barton Rd. turnoff on Reche Canyon Rd, by natural spring. Comment
  UCR240641  Ribes malvaceum Tracy Tennant, Mitch Provance 1998-6-16 MOR- 430 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  UC455588  Ribes montigenum I. J. Condit 1910-6-23 Riverside summit San Jacinto Mt. 3291 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
  UCR213493  Romneya coulteri A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-18 38413 Riverside Peninsular Range, southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. at north end of Black Powder Rd. 399 Comment
  UCR201636  Rorippa nasturtium-aquaticum Scott D. White, Justin M. Wood 2008-6-18 12229 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  RSA748785  Rorippa palustris subsp. occidentalis Justin M. Wood, Jamie Miner 2009-4-2 464 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR188225  Rosa californica Naomi Fraga, V. Arvizu, Elizabeth Kempton, T. Thibault 2006-6-7 1698 Riverside San Jacinto Mountains, east of Fobes Ranch Road, about 1.5 mi south of Fobes Ranch 1616 Comment
  UCSB37900  Rosa californica Sanders, A. 1980-7-18 Riverside Thomas Mountain; along a small dry creek in Spillway Canyon about 2 miles SW of Hwy. 74 along Thomas Mtn. Rd; T 6S, R 3E, S 1/2 sec. 17. 1463 Comment
  CAS-BOT-BC147178  Rubus parviflorus J. C. Roos 1965-7-3 s.n. Riverside Dark Canyon, San Jacinto Mtns. Comment
  RSA802093  Rumex acetosella Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4986 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  UCR94930  Rumex acetosella Scott D. White 1996-8-15 4468 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  UCR158322  Rumex crispus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30065 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
  RSA788814  Rumex salicifolius Robert F. Thorne, Walter Wisura 1977-9-17 50776 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  UCR135819  Rumex salicifolius A. C. Sanders, Guy Bruyea 2004-4-2 27432 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  CLARK-A1656-793  Salazaria mexicana Jon Mark Stewart 1982-5-15 Riverside San Jacinto Mountains 975 Comment
  HSC79238  Salazaria mexicana G. K. Helmkamp 1983-10-8 - 32 Riverside TNC Big Morongo Preserve, S of town of Morongo Valley in Big Morongo Canyon, beside pipeline road 762 Comment
  POM319273  Salix exigua Patricia Wilder 1971-3-20 4905 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  UC634546  Salix exigua Margaret Stason 1927-3-12 Riverside Thousand Palms; Colorado Desert Comment
  LA208621  Salix exigua var. exigua Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  UC494328  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 606 Riverside 4.8 km. n Arlington (4 mi. w of Riverside, rd. to Pedley, e side of bridge over Santa Ana R., either side of hwy.) 240 Comment
  CAS-BOT-BC108107  Salix gooddingii Henry Pelouze De Forest 1932-1-1 s.n. Riverside Santa Ana River bed and banks, near Riverside Comment
  UCR104901  Salix gooddingii A. C. Sanders 1997-3-19 20037 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  UC717266  Salix laevigata W. A. Setchell and Victor Duran 1935-4-17 8 a Riverside 14 mi from Hemet (on way to Aguanga) Comment
  UC219224  Salix laevigata var. congesta P. A. Munz and I. M. Johnston 1922-5-7 5270 Riverside Keyes Ranch Little San Bernardino Mts., Keyes Ranch 1066 Comment
  CLARK-A1528-832  Salix lasiolepis C. M. Flanagan 1973-6-13 OO 706 Riverside Morongo Indian Reservation Comment
  UCR109734  Salix lasiolepis R. E. Orth 1963-3-8 s.n. Riverside Riverside, Santa Ana River 213 Comment
  UCR140651  Salix lasiolepis Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 11- 80 Riverside San Jacinto Mtns, San Bernardino National Forest, 5 miles north of Idyllwild on Hwy 243, Site L11 1775 Comment
  CAS-BOT-BC128377  Salix lasiolepis var. lasiolepis Joseph Andorfer Ewan 1933-3-19 10902 Riverside Santa Ana River bottoms at Prada Comment
  UCR160884  Salix lucida subsp. lasiandra T. B. Salvato, Kelly Volansky 2004-11-17 113 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  CDA21321  Salsola australis L. Smith 2004-8-17 s.n. Riverside South Coast Region; Corner of Iowa St. and Martin Luther King Blvd., Riverside. 303 Comment
  RSA0112097  Salsola tragus Duncan S. Bell 2009-8-15 428 Riverside Northeast side of the Arica Mountains, where the railroad tracks cross Midland Road. 251 Comment
  UCR108494  Saltugilia australis A. C. Sanders, G. K. Helmkamp, P. J. MacKay, et al. 1995-3-19 16154 Riverside San Jacinto Mtns foothills/Sonoran Desert, Coachella Valley; alluvial fan of Chino Canyon along the Palm Springs tram road, north of the road, 14 telephone poles above Hwy 111/Palm Canyon Dr. 300 Comment
  RSA0095110  Saltugilia australis Ora M. Clark 1929-3-16 1709 Riverside N of Whitewater. Colorado Desert. Comment
  JOTR34205  Saltugilia latimeri La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2997 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  RSA761155  Saltugilia splendens subsp. splendens Shawn Krosnick, C. Martinez, Naomi Fraga, Lucinda McDade, et al. 2010-8-14 686 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA411321  Salvia apiana N. C. Cooper 1944-5-19 1299 Riverside Banning. 701 Comment
  UCLA37966  Salvia apiana C. Epling and H. Lewis 1942-3-3 Riverside 0.5 mi e Shumway Road (Pines of Palms Highway) Comment
  SFV4265  Salvia carduacea W. A. Emboden, Jr. 1962-4-26 2053 Riverside Roadside 2 miles west of Anza on road from Anza to Highway 79. -15 Comment
  UCR213614  Salvia columbariae A. C. Sanders, Matthew Malle 2010-4-23 38006 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR269919  Salvia columbariae Daphne K. Christopher, Hannah I. Stevens 2003-4-3 078 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve 536 Comment
  UCR279595  Salvia columbariae A. C. Sanders, Jim Malusa 2017-3-28 43162 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
  SEINET10499060  Salvia columbariae David B. Dunn 1948-3-14 Dunn 3780 Riverside Chia sage. Flat open sands near hidden springs ranch. 3 Mi s of the indio hills. Colorado hills. Comment
  LA69694  Salvia eremostachya K. Watkins; Elizabeth McClintock 1937-4-10 sn Riverside Palms to Pines highway near road to Shumay Comment
  RSA82425  Salvia eremostachya F. W. Peirson 1933-4-13 10643 Riverside Deep Canyon to Idyllwild, Santa Rosa Mountains 1372 Comment
  SD40734  Salvia eremostachya B. D. Stark 1933-5-13 4986 Riverside San Jacinto Mountains; 8.0 miles up on the Palms to Pines Highway. 1220 Comment
  SD70009  Salvia greatae Darley F. Howe 1968-3-17 4494 Riverside Salton Creek between Orocopia and Chocolate Mountains. 121 Comment
  RSA197847  Salvia mellifera Donald A. Johansen, J. A. Ewan 1932-4-10 7050 Riverside San Gorgonio Pass, Cabazon 488 Comment
  SDSU12925  Salvia mellifera Jutta Buschbom 1991-6-20 40 b Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UC25680  Salvia pachyphylla H. M. Hall 1901-6-1 2160 Riverside e base along the borders of the Colorado Desert San Jacinto Mts.; Colorado Desert, San Jacinto Mts. 1402 Comment
  RSA219218  Salvia pachyphylla subsp. pachyphylla C. W. Tilforth, John Dourley 1970-9-2 297 Riverside Exposed slopes at higher elevations along road to Santa Rosa Mtn. Comment
  SFV4264  Salvia vaseyi W. A. Emboden, Jr. 1962-4-26 2054 b Riverside Palms to Pines Highway. Comment
  CHSC100669  Sambucus mexicana A. C. Sanders 2004-5-12 27884 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  CSUSB697  Sambucus mexicana Leland R. Dykes 1962-4-22 40 Riverside Along state highway 71, 7 miles south of Corona Comment
  CSUSB701  Sambucus mexicana James R. Allen 1962-4-21 24-m 1047 Riverside 0.2 miles east of Mount Vernon on Pigeon Pass Road 335 Comment
  RSA496458  Sanicula crassicaulis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-31 3074 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  UCR138654  Sanicula crassicaulis D. L. Banks 1997-4-5 1665 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  JEPS970  Sanicula tuberosa S. B. Parish 1891-4-1 Riverside Reche Canyon; Southern California, Reche Canyon Comment
  UCR178513  Sarcostemma cynanchoides subsp. hartwegii R. G. Swinney 1967-2-12 0022 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  RSA0016887  Satureja chandleri Robinson, Crocker 1916-3-29 571 Riverside Santa Ana Mountains, near Murrieta. Comment
  UCR261140  Schinus terebinthifolius A. C. Sanders, Jeff Crain 2015-5-20 41740 Riverside Temesal Canyon, Temescal Creek at I-15 bridge, 2.2 km west of Lake St. at Alberhill 363 Comment
  CHSC109029  Schismus arabicus Justin M. Wood; J. Miner 2010-4-29 1531 Riverside Coachella Valley; Bermuda Dunes; near intersection of Avenue 38 and Varner Rd. 40 Comment
  SD247292  Schismus arabicus T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7298 Riverside Sonoran (Colorado) Desert: south of Hwy-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road (East of Aztec Mines 7.5'Q) 136 Comment
  RSA682166  Schismus barbatus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10474 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
  SEINET229294 Image available Schismus barbatus L. M. Shultz, JS Shultz 1985-4-18 8321 Riverside Chuckawalla Mountains at Corn Springs 518 Comment
  UCD93094  Schismus barbatus Collector unknown 1951-1-1 s.n. Riverside Palm Springs. Comment
  POM78931  Schoenoplectus acutus var. occidentalis I. M. Johnston 1925-7-7 5283 Riverside Santa Ana River ca. 3 miles S of Wineville [Mira Loma Station]. 183 Comment
  JOTR35201  Schoenoplectus americanus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3275 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  JOTR36427  Schoenoplectus americanus La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3372 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  POM1394  Schoenoplectus americanus I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 274 Comment
  SDSU12972  Schoenoplectus pungens var. longispicatus Michael G. Simpson 1999-10-27 2039 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UCR207610  Scirpus robustus O. F. Clarke 2004-5-7 s.n. Riverside Peninsular Range; San Jacinto Valley, San Jacinto Wildlife Area 442 Comment