Search Results — 2000 specimen records retrieved (1882 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229309  Abronia villosa A. C. Sanders; D. Malueg 2003-5-8 26564 Riverside San Jacinto Valley: San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  CAS-BOT-BC229346  Abronia villosa Jenkins; Street 1917-5-30 1935 Riverside San Jacinto Comment
  HSC16140  Abronia villosa L. S. Rose 1967-12-20 67184 Riverside 6 mi. SE of Thousand Palms 15 Comment
  PASA1845  Abronia villosa R. Peirce 1966-4-21 Riverside Windy Point, 2 mi. S. of White Water P.O. Comment
  UCR2930  Abronia villosa R. Oshima 1963-4-19 041963- 01 Riverside Colorado Desert, Coachella Valley, opposite the Raquet Club on Indian Ave., Palm Springs 177 Comment
  RSA0103442  Abronia villosa var. aurita Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8560 Riverside Garner Valley; west side of the highway, approximately 3.75 air miles southeast of Lake Hemet. 1370 Comment
  UCR234277  Abronia villosa var. aurita A. C. Sanders 2012-4-12 40025 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd. Comment
  RSA0030910  Abronia villosa var. aurita Ira W. Clokey, E. G. Anderson 1935-8-21 6604 Riverside Hemet Lake. 1300 Comment
  RSA48334  Abronia villosa var. aurita E. K. Balls 1949-4-4 12970 Riverside Near Salton Beach on Highway 111, Colorado Desert. -61 Comment
  RSA121731  Acacia greggii var. arizonica H. S. Yates 1937-6-27 6727 Riverside Mouth of Deep Canyon. 305 Comment
  RSA414908  Acacia greggii var. arizonica Anstruther Davidson 1892-05 s.n Riverside Banning. Comment
  UC40028  Achnatherum coronatum H. M. Hall June, 1901 2136 Riverside Coyote Canyon San Jacinto Mountains, Santa Rosa Mountain, Coyote Canyon 1584 Comment
  UC1117702  Achnatherum speciosum A. A. Beetle 1946-6-10 4387 Riverside Mt. San Jacinto San Jacinto Mts., Mt. San Jacinto 762 Comment
  HSC85398  Achyrachaena mollis Steve Boyd 1986-4-19 1708 Riverside Temescal Canyon: flats at SE end of Alberhill Mtn. 396 Comment
  CAS-BOT-BC384725  Achyronychia cooperi Roxana S. Ferris 1918-6-14 970 Riverside Desert at Palm Springs Comment
  JOTR34301  Achyronychia cooperi Andre, Jim 2012-4-11 20713 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
  POM123135  Achyronychia cooperi Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  SEINET3005054  Achyronychia cooperi G. Rink 2011-4-29 10492 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  UCR60790  Achyronychia cooperi Steve Boyd, Orlando Mistretta 1986-3-13 1405 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 244 Comment
  JEPS61255  Acleisanthes longiflora E. E. Schellenger 1906-1 Riverside near Palo Verde Valley (e Riverside Co.); Colorado Desert, Santa Maria Mts. Comment
Read comments
Nov 14 2012
  UCD103980  Acmispon argophyllus R. N. Raynor 1933-7-1 s.n. Riverside location unknown. Comment
  UCD104137  Acmispon glaber var. brevialatus T. B. Salvato; Kent Beaman 2005-5-16 793 Riverside San Jacinto Mtn. foothills. San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy. 74. 549 Comment
  SEINET957562  Acmispon heermannii S. Boyd 1982-1 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of 'Estelle Creek' and Temescal Creek, at the northern end of the entreched meander of Temescal Creek at the western base of Estelle Mountains. 1080 Comment
  OBI5743  Acmispon micranthus Charlotte M. Wilder 2004-4-26 61 Riverside Wilder's Canon Jurupa Hill Comment
  SD136845  Acmispon parviflorus Steve Boyd, Tim Ross 1992-5-5 7256 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Oak Flats along Serrano Spring drainage between Lucas Canyon Trail & junction of Bluewater & the Verdugo Trails, in opening in oak woodland, south of Serrano Spring 730 Comment
  SD140106  Acmispon strigosus Scott White 1993-4-22 1242 Riverside North Aberhill Ranch, in hills of Walker Canyon 487 Comment
  JOTR32124  Adenophyllum porophylloides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2281 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  JOTR32125  Adenophyllum porophylloides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2281 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  UCR174954  Adenostoma fasciculatum Jennifer H. Jones 2006-6-6 383 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; San Juan Loop Trail 'head 598 Comment
  SBBG70866  Adenostoma sparsifolium M. N. Ackley -May-1929 1269 Riverside Tahquitz [Lodge] 1524 Comment
  UC859042  Adenostoma sparsifolium I. W. Clokey and E. G. Anderson 1935-8-21 6674 Riverside w. Keen Camp P.O. 1200 Comment
  UC63090  Agoseris grandiflora var. grandiflora H. M. Hall 1901-6-1 2103 Riverside eastern base, along the borders of Colorado Desert; San Jacinto Mountains, , Vandeventer's Meadow Comment
  RSA221016  Agoseris retrorsa E. W. Lathrop 1966-5-29 6393 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  CAS-BOT-BC127424  Agrostis exarata Peter H. Raven; R. Snow 1957-7-26 1110 Riverside 2.0 miles south of Vista Grande Ranger Station, Banning-Idyllwild road, San Jacinto Mountains. Comment
  RSA296133  Agrostis exarata B. A. Prigge 1980-8-5 3846 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  SD127981  Agrostis exarata Michael Curto 1989-8-6 602 Riverside San Jacinto Mountains, Fuller Ridge Trail. At springy north headwaters of Fuller Mill Creek. 2695 Comment
  UC1137144  Agrostis exarata August L. Hormay 1932-8-8 Riverside Tahquity Valley Comment
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Dec 21 2009
  UCR165188  Agrostis exarata Margaret Bornyasz 2003-8-8 s.n. Riverside Peninsular Ranges, San Jacinto Mtns., near Azalea Creek, above Twin Pines Creek Drainage 1085 Comment
  RSA697708  Agrostis idahoensis J. Russell Bruff 1934-7-5 s.n. Riverside In wet ground. 2896 Comment
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Nov 10 2010
  SD28105  Agrostis idahoensis Carl B. Wolf 1932-8-5 3963 Riverside San Jacinto Mountains, first real, wet meadow on trail from Tahquitz Valley to San Jacinto Peak. Head of fork of Tahquitz Creek. 2743 Comment
  RSA591754  Agrostis pallens E. W. Lathrop 1966-5-29 6378 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  UCR193870  Agrostis pallens A. C. Sanders, Mitch Provance 2008-7-11 35792 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
  OBI39187  Alhagi pseudalhagi Dell O. Clark 1969-7-2 s.n. Riverside 2 mi W of Mecca, Coachella Valley Comment
  RSA469420  Aliciella latifolia M. B. Dunkle 1932-3-25 2919 Riverside 10 miles NW of Indio. Colorado Desert. 30 Comment
  RSA656537  Aliciella latifolia subsp. latifolia A. C. Sanders 2000-4-25 23356 Riverside east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles E of Thermal 15 Comment
  CAS-BOT-BC434478  Allionia incarnata Peter H. Raven 1958-3-15 11849 Riverside Box Canyon Comment
  RSA777332  Allionia incarnata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 829 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
  SBBG51138  Allionia incarnata W. W. Zabriskie 1974-2-28 156 Riverside W-facing slope of Pipistrelle Cyn, N slope of Santa Rosa Mtns 807 Comment
  UCR269874  Allionia incarnata A. C. Sanders, Jim Malusa 2016-3-18 42371 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  CAS-BOT-BC469251  Allium fimbriatum var. fimbriatum Peter H. Raven 1958-5-18 12984 Riverside Pinon Flats, San Jacinto Mountains Comment
  CLARK-A1528-3074  Allium peninsulare Sue Damon 1981-5-19 20 Riverside Box Springs Mountains 731 Comment
  SEINET3878623  Allium peninsulare Steve Boyd, Timothy S. Ross 1991-5-2 6090 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain 3 mi N Hwy 79, 1 mi W of Hwy 371, N Aguanga.; 0 600 Comment
  POM17545  Allium praecox H. Baer 1923-4-19 s.n. Riverside Rice Canyon, near Elsinore. Comment
  CDA2737  Allium triquetrum A. C. Sanders, T. B. Salvato 2003-4-3 25830 Riverside San Bernardino Valley/Upper Santa Ana River; Riverside, UCR campus, between East Campus Drive and Parking Lot 10 Comment
  UCR133437  Allophyllum divaricatum Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 465 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  RSA263730  Allophyllum glutinosum E. W. Lathrop 1968-5-22 6907 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UCR113620  Alnus rhombifolia Stan C. Spencer 2000-2-1 s.n. Riverside Temecula Valley, Empire Creek (Long Valley) SW of Margarita Rd. 329 Comment
  JEPS123742  Aloysia wrightii J. Andre, T. La Doux 2008-9-16 10685 Riverside Joshua Tree National Park: JTNP: along Bell Mountain Road, atop Bell Mountain approx. 0.3 mi N of radio tower. Queen Mountain 7.5' USGS Quad. Comment
  UCSB46786  Alstroemeria O. F. Clarke 1969-6-25 Riverside collected at 1012 Spruce Street Spruce Street Comment
  UCR145578  Amaranthus albus Chet McGaugh 2004-11-15 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, 1 mile south of Thermal, parcel bounded by Ave. 58 & Ave. 60 on the north and south and by Polk and Filmore on the west and east, between the airport and Whitewater River -41 Comment
  RSA544288  Amaranthus albus Steve Boyd, Timothy S. Ross 1991-6-14 6359 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  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
  POM319667  Ambrosia acanthicarpa Patricia Wilder 1971-9-29 5263 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street, Valle Vista; east of Hemet. On dry river bed. 518 Comment
  CDA9958  Ambrosia acanthicarpa Wright s Office Nov 1948 Riverside 0 Comment
  CAS-BOT-BC22577  Ambrosia dumosa Joseph Andorfer Ewan 1932-4-8 7029 Riverside Seven Palms near Garnet, Colorado Desert Comment
  CAS-BOT-BC22602  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -329 Riverside Joshua Tree National Monument: about 3 mi S of Entrance to Cottonwood Springs Campground Comment
  CAS-BOT-BC22614  Ambrosia dumosa Javier Penalosa 1963-4-10 2782 Riverside Deep Canyon, 3 mi. S of Palm Desert. 213 Comment
  RSA416966  Ambrosia dumosa Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA416972  Ambrosia dumosa P. J. Remple 1942-3-1 s.n. Riverside Dead indian Creek, Santa Rosa Mtns. Comment
  RSA603806  Ambrosia dumosa L. C. Wheeler 1931-11-26 383 Riverside 2 mi. SE Salton Bench Mark, Colorado Desert. -61 Comment
  RSA792912  Ambrosia dumosa Aaron C. Sedgwick, Duncan S. Bell 2012-9-12 117 Riverside Rice Valley - Take Rice/Blythe Rd. south ~3 mi. from Hwy. 62, then head east on an unmarked BLM road. 235 Comment
  UC896715  Ambrosia dumosa C. L. Hitchcock 1940-3-29 5860 Riverside 100 yds e Spring; Cottonwood Canyon 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
  RSA789750  Ambrosia salsola David Fraker, Aaron Sedgwick 2012-5-9 96 Riverside Along the Bradshaw Trail, south of the Orocopia Mtns ~4 mi. southwest of the Orocopia Mtns. Wilderness Area. ~3/4 mi. west of the Coyote Rd. intersection. 231 Comment
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May 1 2016
  SFV9294  Ambrosia salsola D. H. Hoover 1968-3-23 68 43A Riverside Colorado Desert Morongo Valley. North of Palm Springs area. Comment
  UC718798  Ambrosia salsola L. R. Abrams 1941-4-24 13935 Riverside near Cabazon; San Gorgonio Pass Comment
  UC64534 Image available Amelanchier utahensis W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1949 Riverside Kenworthy Comment
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Mar 25 2011
  SD148121  Ammannia coccinea D. E. Bramlet, A. C. Sanders et al. 1999-10-15 2818 Riverside 198 m S of Gilman Hot Springs Rd., 1.22 km NW of Hwy 79 and 2.1 Km S of Jackrabbit Trail. 433 Comment
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Mar 21 2011
  UC708746  Amorpha californica var. californica H. K. Wagnon 1944-5-25 395 Riverside by stream near entrance to Tahquitz Canyon; Palm Springs Comment
  SD248414  Amorpha fruticosa A. C. Sanders 2014-4-23 41058 Riverside Peninsular Range: Temescal Valley, along Hostettler Rd. near Temescal Canyon Road and I-15, at bend in Hostettler Rd. 363 Comment
  UCR167069  Amsinckia intermedia Scott D. White 2005-3-29 10845 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  SD187373  Amsinckia menziesii Scott D. White, Angelia Carey 2004-4-16 10173 Riverside Indian Creek and adjacent slopes. 548 Comment
  SDSU18983  Amsinckia menziesii var. menziesii C. Matt Guilliams, Jeannine Ross 2008-3-5 495 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Collections near the Dudleya multicaulis restoration site. 388 Comment
  SDSU18987  Amsinckia menziesii var. menziesii C. Matt Guilliams, Jeannine Ross 2008-3-12 532 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. 428 Comment
  UCR157957  Amsinckia retrorsa T. B. Salvato, A. C. Sanders 2005-5-17 917 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  SD146104  Andropogon glomeratus var. scabriglumis A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19657 Riverside San Bernardino Mountains, Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, east of VAMB Captain; White Water 7.5' quad. Rocky canyon. In moist sand at the edge of the stream. 534 Comment
  RSA628492  Anemopsis californica A. C. Sanders, K. C. Rose 1999-6-18 22808 Riverside Skinner/Domenigoni area: French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  JOTR34470  Anisocoma acaulis Andre, Jim 2012-4-16 20955 Riverside Joshua Tree National Park. Pleasant Valley; along Geology Tour Road at SW end of one-way loop at drainage below Pinyon Well. Approx. 7.5 mi south of Natl Park loop road (paved). 1094 Comment
  POM12971  Anisocoma acaulis Philip A. Munz, I. M. Munz 1922-5-19 5418 Riverside Hemet Valley, San Jacinto Mts. on Garner Ranch 1387 Comment
  JEPS5297  Antirrhinum coulterianum W. L. Jepson May 17 1901-Jun 1 1901 1256 Riverside near upper San Jacinto Valley (San Jacinto River); San Jacinto River Comment
  RSA354842  Antirrhinum coulterianum N. C. Cooper 1944-5-21 2011 Riverside San Jacinto Mountains, West side 915 Comment
  SDSU10451  Antirrhinum coulterianum Charles F. Phleger 1962-5-12 Riverside Collected on Hwy 74, 5 miles E of Hemet. Comment
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Jul 8 2009
  UCR116925  Antirrhinum coulterianum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24220 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCR213527  Antirrhinum coulterianum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38368 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  JOTR32149  Antirrhinum filipes La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2304 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  RSA425812  Antirrhinum filipes Christopher Davidson, J. Jones 1980-4-4 9944 Riverside West end of the Orocopia Mountains in a small canyon and wash almost due south of Oro Peak. Comment
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Sep 17 2011
  RSA425819  Antirrhinum filipes Anstruther Davidson 1927-4-11 s.n. Riverside Palm Springs, Cooper Mine Comment
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Nov 12 2011
  UCR102710  Antirrhinum filipes B. G. Pitzer 1998-1-24 3395 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
  RSA444466  Antirrhinum nuttallianum subsp. nuttallianum L. Roos 1966-4-29 s.n. Riverside Hills between March Air Force Base and Lakeview; rocky crevices Comment
  UCR107741  Antirrhinum nuttallianum subsp. nuttallianum D. L. Banks 1997-5-5 1966 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  RSA711034  Apiastrum angustifolium A. C. Sanders 2005-4-21 29564 Riverside Peninsular Range: Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak. 622 Comment
  RSA0034754  Aquilegia formosa var. hypolasia Robert L. Rutherford 1945-6-17 1673 Riverside Burned Canyon, Banning. 1219 Comment
  UC855414  Arabis glaucovalvula P. A. Munz and I. M. Johnston 1922-5-7 5251 Riverside 2 mi w Keyes Ranch; Little San Bernaridno Mts. 1066 Comment
  RSA595732  Arceuthobium californicum Louis C. Wheeler 1945-10-6 6148 Riverside San Jacinto Mountains. North fork San Jacinto River, Fuller Mill Creek. 1829 Comment
  RSA629136  Arctostaphylos Jon E. Keeley 1992-7-16 16574 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA526501  Arctostaphylos glandulosa subsp. adamsii Steve Boyd, T. S. Ross 1990-5-11 4696 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  SDSU18353  Arctostaphylos glandulosa subsp. glandulosa C. Matt Guilliams 2007-6-21 370 Riverside 15 kilometers east of Temecula near Tenaja Road. From Tenaja, south on Harkey Road, east on Avenida Presta, south on Calle Viento, a dirt road on slope above drainage. 640 Comment
  RSA59195  Arctostaphylos glandulosa var. adamsii Frank W. Gould 1943-4-18 2134 Riverside 8 miles east [NW] of Idyllwild Comment
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Sep 29 2011
  CAS-BOT-BC24668  Arctostaphylos glauca Ralph Hoffmann 1929-9-11 s.n. Riverside Hamilton Grade. Comment
  RSA631761  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15069 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  UCR273498  Arctostaphylos glauca A. C. Sanders, Glen Morrison 2016-8-4 42599 Riverside Peninsular Range; Santa Ana Mountains, south side of South Main Divide Road, SE of Morgan Trailhead into San Mateo Wilderness, 0.17 km NE (46 deg. ) of Lion Spring 872 Comment
  RSA633598  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16706 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633658  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1994-4-27 25350 Riverside North side of Santa Rosa Mountain. 1900 Comment
  RSA633664  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16651 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633665  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21767 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633716  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20126 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633724  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16627 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 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
  RSA633734  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16620 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA633735  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16631 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA633742  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20148 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633749  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21784 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  CAS-BOT-BC46600  Arctostaphylos patula E. K. Balls 1949-5-4 13483 Riverside 2 mi. w. of Fuller Creek Camp Ground, San Jacinto Mts. 1493 Comment
  CAS-BOT-BC44329  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1932-8-4 3922 Riverside Strawberry Valley one and one-half miles from Idyllwild on road to Banning, San Jacinto Mts. 1706 Comment
  POM367419  Arctostaphylos pringlei subsp. drupacea Gale Sphon 1955-5-21 s.n. Riverside One mile north of Lake Fulmore Comment
  UCD105733  Arctostaphylos pringlei subsp. drupacea K. M. Meyer; A. Townesmith, T. Scott 2007-3-16 15 Riverside San Bernardino National Forest. Next to Lake Fulmor, 17 mi. S on Hwy 243 (off I-10). 1632 Comment
  RSA635780  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16733 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA635811  Arctostaphylos pungens Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20103 Riverside Highway 371, 1 km east of Anza. 1220 Comment
  UCSB4764  Arctostaphylos pungens Kamb, Peter 1949-4-30 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  RSA636000  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19547 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636180  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19545 Riverside W of Temecula, N-facing slopes off Carancho Rd., 6 km NW of De Luz, eastern Santa Margarita Mtns. 440 Comment
  RSA434323  Argemone D. A. Young 1969-3-28 P- 309 Riverside End of Hayfield Rd., S. of interstte Highway 10 (US 60) 305 Comment
  CAS-BOT-BC207132  Argythamnia lanceolata Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-21 6425 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe 289 Comment
  SEINET10453712  Argythamnia neomexicana David B. Dunn 1946-3-16 Dunn 2059 Riverside Collected on dry plateau 0.5 mi NE of Pushawalla Palms (Springs). Indio Hills. Sparse desert scrub of Larrea and Franseria, with palms at the springs in the canyon. Comment
  JOTR31934  Aristida adscensionis La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2172 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash draining into west Pinkham Wash Comment
  JOTR35289  Aristida adscensionis Andre, Jim 2012-4-11 20782 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  UCR92639  Aristida adscensionis George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  UCSB38733  Aristida adscensionis Cowan, Clark 1978-4-23 Riverside 12.1 mi S on Hwy 74 from jct with Hwy 111 at Indian Wells; Whittacker transect #W-220 Comment
  RSA0065567  Aristida adscensionis Tom Griggs 1968-5-9 s.n. Riverside Palms to Pines Hwy. Comment
  UCR37468  Aristida parishii Steve Boyd 1981-3-13 s.n. Riverside Gavilan Hills, Estelle Mtn. Comment
  CLARK-A1528-4482  Aristida purpurea John C. Roos 1965-8-15 Riverside San Jacinto Valley Comment
  SEINET14214762  Aristida purpurea J. C. Roos 1965-8-15 Riverside Gilman Hot Springs, San Jacinto Valley Comment
  UCSB45613  Aristida purpurea John C. Roos 1966-4-26 Riverside collected in hills between March AFB and Lakeview March AFB and Lakeview Comment
  UC576345  Aristida purpurea var. fendleriana H. S. Yates 1937-6-27 6722 Riverside Deep Canyon Thermal Quadrangle (head) 1219 Comment
  UCR26289  Aristida purpurea var. nealleyi John C. Roos 1951-10-19 5325 Riverside Badlands at Old Jackrabbit Trail 610 Comment
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Mar 20 2011
  HSC101775  Aristida purpurea var. purpurea J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13192 Riverside Along State Route 74 1227 Comment
  HSC8967  Aristida ternipes var. hamulosa C. L. Hitchcock, C. V. Muhlick 1964-3-17 23113 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  IRVC474  Artemisia californica R. H. Whittaker, W. A. Niering 1963-5-29 SJ 60 61 Riverside San Jacinto Mtns: San Jacinto Valley 564 Comment
  POM178577  Artemisia californica Marcus E. Jones 1930-3-3 s.n. Riverside Santa Ana Mountains Comment
  RSA650458  Artemisia californica C. J. Humphrey, Herbery Humphrey 1936-6-7 395 Riverside In foothills 18 miles East of Riverside. 548 Comment
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Dec 15 2011
  UCR128236  Artemisia californica A. C. Sanders, Kelly Volansky 2003-10-16 27351 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  POM319663  Artemisia dracunculus Patricia Wilder 1970-10-15 4802 Riverside Prado Dam on bank at east end of dam in Prado Flood Plain Control Basin. 183 Comment
  RSA588818  Artemisia dracunculus Darin L. Banks, Steve Boyd 1995-10-17 0771 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  RSA692227  Artemisia dracunculus Scott D. White 2003-10-9 9823 Riverside Pine Cove area. Dutch Flat. 1753 Comment
  UC29672  Artemisia dracunculus H. M. Hall 1901-6-8 2012 Riverside San Jacinto River Canyon San Jacinto Mountains, San Jacinto River Canyon 762 Comment
  RSA0104642  Artemisia ludoviciana Duncan S. Bell 2014-11-14 7707 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
  RSA0112098  Asclepias erosa Duncan S. Bell 2009-8-15 429 Riverside Northeast side of the Arica Mountains, where the railroad tracks cross Midland Road. 251 Comment
  OBI37557  Asclepias fascicularis Steve Boyd 1985-8-7 1102 Riverside Santa Rosa Plateau region, NW base of Redonda mesa on Tenaja Rd, 0.8 mi E ofjtn with 8S01 and 8S02 Comment
  RSA192086  Asclepias fascicularis H. A. Zuill 1966-6-5 198 -b Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
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Feb 12 2013
  CHSC125  Asclepias subulata V. Holt 1957-3-31 Riverside Colorado River n. of Blythe 91 Comment
  RSA0014316  Asclepias subulata Justin M. Wood, J. Miner 2010-4-30 1550 Riverside Coachella Valley: Thousand Palms, just E of intersection of Ramon Rd. and Vista de Oro, just NE of Edison substation. 61 Comment
  IRVC23981  Asplenium vespertinum R. E. Reifner 1988-3-8 88 51 Riverside Route 74: San Juan Loop Trail near Ortega Oaks in a well-shaded rock crevice. Peninsular Ranges Comment
  RSA0011742  Asplenium vespertinum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2917 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  CLARK-A1528-5500  Aster spinosus John C. Roos 1965-7-5 Riverside Blythe Comment
  UCR264470  Aster subulatus Jeremiah George 2014-12-11 s.n. Riverside San Gorgonio Pass Region, Beaumont, just south of West 4th St. at end of small paved spur road, area boxed in by commercial development 772 Comment
  SD249680  Astragalus aridus J. M. Andre 2013-3-27 24804 Riverside Region: CA-SonM; Rice Valley east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 241 Comment
  CAS-BOT-BC177515  Astragalus bernardinus Peter H. Raven 1958-5-5 12896 Riverside To the west of Split Rock Tank, Joshua Tree National Monument Comment
  POM303047  Astragalus crotalariae P. A. Munz 1941-3-29 16591 Riverside Salton Wash north of Salton Sea. Comment
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Jan 22 2012
  UCD104685  Astragalus crotalariae H. B. Richardson 1940-4-6 s.n. Riverside Near Coachella Valley w. of Thermal. Comment
  JOTR30120  Astragalus didymocarpus var. dispermus La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1686 Riverside Joshua Tree National Park. Stop # 2 = Pinto Basin near Sandhill 538 Comment
  UC13444  Astragalus douglasii var. parishii H. M. Hall 1898-7-2 971 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley (San Jacinto Mountains, Southern California) Comment
  SDSU7936  Astragalus insularis var. harwoodii Darley F. Howe 1949-3-21 1975 Riverside 3 miles west of Blythe. 91 Comment
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Oct 12 2011
  UC68626  Astragalus lentiginosus var. borreganus H. M. Hall Apr., 1905 5958 Riverside Paloverde , Paloverde (Colorado Desert) 76 Comment
  IRVC28836  Astragalus lentiginosus var. coachellae Mark A. Elvin 2005-4-25 4223 Riverside Coachella Valley; N of Palm Springs; N of I-10; S of Dillan Road; E of Indian Avenue. Northern Sonoran Desert 213 Comment
  UCR124650  Astragalus lentiginosus var. coachellae B. C. Templeton, I. W. Clokey 1930-4-9 1072 Riverside Sonoran (Colorado) Desert, San Gorgonio Pass, near Palm Springs Station 305 Comment
  UCR208171  Astragalus lentiginosus var. coachellae H. D. Ripley, R. C. Barneby 1942-4-2 4271 Riverside Sonoran (Colorado) Desert, Palm Springs 137 Comment
  JOTR16677  Astragalus lentiginosus var. variabilis Walters, Jim 1967-3-11 s.n. Riverside Joshua Tree National Park. 1/2 MILE NORTH SQUAW TANK 1219 Comment
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Jun 16 2013
  RSA605803  Astragalus lentiginosus var. variabilis R. S. Woglum 1939-4-11 2203 Riverside Sonora Desert: Desert Center. Comment
  JOTR01059  Astragalus lentiginosus var. variabilis Cole, James E. 1941-5-2 671 Riverside Joshua Tree National Park. LOST HORSE VALLEY 1310 Comment
  CAS-BOT-BC178061  Astragalus nuttallianus Steve Castagnoli; Greg de Nevers; R. Doug Stone 1980-4-29 108 Riverside 6 1/2 road miles NNW of Horse Thief Springs - Kingston Range 1066 Comment
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Apr 22 2018
  RSA336199  Astragalus nuttallianus var. cedrosensis R. F. Thorne, Walter Wisura, Avi Shmida, R. Whittaker 1978-4-23 52013 Riverside Chino Canyon. Comment
  POM24215  Astragalus pachypus var. jaegeri S. B. Parish 1880-06 1134 Riverside 5 miles south of Temecula Comment
  RSA90638  Astragalus palmeri F. W. Peirson 1921-3-23 4752 Riverside Deep Canyon, SE of Palm Springs. 335 Comment
  UC718549  Astragalus pomonensis Carl B. Wolf 1935-4-7 6298 Riverside 1 mi w Val Verde (Gavilan Hills Region); , w of Val Verde 487 Comment
  CAS-BOT-BC17416  Athysanus pusillus Steve Boyd 1986-4-2 1603 Riverside Gavilan Plateau, Gavilan Hills. Harford Springs County Park. 640 Comment
  POM11528  Athysanus pusillus P. A. Munz, I. M. Johnston 1922-5-19 5441 -a Riverside Garner Ranch, Hemet Valley. 1402 Comment
  RSA760149  Atrichoseris platyphylla Gregory Pongetti 2005-4-9 5 -24 Riverside Box Canyon Wash, 7.5 miles on Box Canyon Road south of I-10. Comment
  SBBG104071  Atrichoseris platyphylla A. C. Sanders, E. J. Lawlor 1992-4-4 12105 Riverside within 0.5 mi of McCoy Spring, on alluvial slopes below and to the S, and on cyn bottom above the spring 243 Comment
  UCR41750  Atrichoseris platyphylla A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6047 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, west side of the Chuckwalla Mtns., 6 mi. south of Hwy I-10 on gasline road; 1/2 mi. NW of Model Mine 520 Comment
  UCR116935  Atriplex argentea A. C. Sanders, D. Malueg 2001-5-17 24359 Riverside Perris-Aguanga Basin, Gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, south of Scott Rd. 415 Comment
  POM575925  Atriplex argentea subsp. expansa Steve Boyd, D. L. Banks 1994-9-29 8365 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  CLARK-A1656-900  Atriplex canescens Lois Ann Scott 1977-11-18 Riverside Palm Springs Comment
  SEINET3930583  Atriplex canescens Grant D. Brown 1950-12-2 594 Riverside Santa Ana River NW of Arlington.; 0 198 Comment
  SEINET3930848  Atriplex canescens Stewart C. Sanderson 1993-11-18 93 -039 Riverside North Shore.; 0 Comment
  SEINET4136498  Atriplex canescens Sears 1978-4-12 1179 Riverside 8 mi. NE of Desert Center.; 0 158 Comment
  SEINET5760307  Atriplex canescens Norman C. Cooper 1943-10-3 937 Riverside Cabazon Comment
  UC110259  Atriplex canescens T. S. Brandegee 1901-4-3 Riverside Salton Ck Colorado Desert, Salton Ck Comment
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Sep 11 2011
  UC472155  Atriplex canescens J. Ewan 1931-10-3 5227 Riverside Mockingbird Canyon near Arlington; Mockingbird Canyon near Arlington Comment
  UCR33640  Atriplex canescens Sears 1978-4-12 1180 b Riverside Sonoran (Colorado) Desert, 8 mi northeast of Desert Center 159 Comment
  UC850852  Atriplex canescens subsp. canescens Carl B. Wolf 1932-10-13 4321 Riverside ne side Salton Sea (Durmid, ne side of S.P.R.R. Tracks, Colorado Desert); Colorado Desert, ne side Salton Sea, Durmid -60 Comment
  UC850853  Atriplex canescens subsp. canescens Carl B. Wolf 1932-10-13 4320 Riverside ne side Salton Sea (Durmid, ne side of S.P.R.R. Tracks, Colorado Desert); Colorado Desert, ne side Salton Sea, Durmid -60 Comment
  RSA799067  Atriplex canescens var. linearis Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6863 Riverside South side of Joshua Tree National Park, Cottonwood Spring 823 Comment
  SEINET13262592 Image available Atriplex canescens var. macilenta A. C. Sanders 2010-1 37627 Riverside Durmid, east side of the Salton Sea, between Hwy 111 and the RR just north of the Imperial Co. line, 9 miles south of North Shore (Desert Beach), just below Bat Caves Buttes -59 Comment
  UCR103477  Atriplex davidsonii D. E. Bramlet 1995-6-8 2440 Riverside San Jacinto Valley, San Jacinto Wildlife Area, Lovell Unit. The site is located 1.22 km east of Davis Road and 168m south of the existing access road. the site is 549m north of San Jacinto River Channel 435 Comment
  SD254590  Atriplex elegans Jeremiah George 2014-12-11 Riverside San Gorgonio Pass Region: Beaumont, just south of West 4th St. at end of small paved spur road, aea boxed in by commecial development (Beaumont 7.5'Q) 772 Comment
  UC1136250  Atriplex hymenelytra R. St. John 1931-1-5 170 Riverside 5 mi n Indio; Indio Quad., n of Indio Comment
  POM182561  Atriplex lentiformis J. B. Feudge 1930-9-25 2064 Riverside Blythe Comment
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Nov 8 2011
  CAS-BOT-BC176760  Atriplex serenana var. serenana Steve Boyd 1985-8-7 1116 Riverside Murrieta area, Clinton [Kieth] Keith Rd., just east of the Bear Creek development [golfcourse] golf course Comment
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Feb 13 2019
  UCR116934  Atriplex suberecta A. C. Sanders, D. Malueg 2001-5-17 24360 Riverside Perris-Aguanga Basin, Gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, south of Scott Rd. 415 Comment
  UCR177506  Avena barbata S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1128 Comment
  SEINET14287513  Avena fatua N. C. Cooper 1944-5-6 1218 Riverside Banning. 701 Comment
  SEINET954737  Avena fatua A. C. Sanders, Tyricia Wotipka, Mark A. 2003-1 26142 Riverside Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  VVC547  Avena fatua A. C. Sanders, J. Mac 1997-5-4 20649 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
  CAS-BOT-BC213221  Ayenia compacta Frank W. Peirson 1922-4-9 9600 Riverside Andreas Canyon, Palm Springs Region 457 Comment
  UC218677  Azolla filiculoides P. A. Munz 1922-4-29 5109 Riverside Lancaster Valley, S of Hemet 457 Comment
  UC1010319  Baccharis brachyphylla John C. Roos 1950-10-15 5008 Riverside about 1 mi s of Riverside-San Bernardino County line Dry Morongo Canyon 609 Comment
  POM319733  Baccharis salicifolia Patricia Wilder 1971-9-29 5279 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street, Valle Vista; east of Hemet. Base of the San Jacintos. 518 Comment
  UCR23307  Baccharis sarothroides John C. Roos, L. Roos 1950-10-28 5021 Riverside Box Springs 473 Comment
  JOTR35422  Baccharis sergiloides La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3098 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring 914 Comment
  SD40772  Baccharis sergiloides Carl B. Wolf 1932-10-11 4271 Riverside Morongo Wash, Little San Bernardino Mountains. 669 Comment
  SD80133  Baccharis sergiloides Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-6 360 Riverside Andreas Canyon, east slope San Jacinto Mountains 455 Comment
  CLARK-A1528-1641  Bahia dissecta John C. Roos 1946-8-27 2923 Riverside Santa Rosa Mountains 2285 Comment
  RSA0065645  Bahiopsis parishii Cheryl Sevilla, Sarah J. De Groot 2015-3-18 39 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; off the Pacific Crest Trail about 2 air miles north-northwest from the Whitewater Preserve Ranger Station; on the hillside east of the Whitewater River drainage. 822 Comment
  POM13024  Baileya pauciradiata Philip A. Munz, D. D. Keck 1922-4-14 4965 Riverside Indian Wells 107 Comment
  UCD84488  Baileya pauciradiata Chuck Hughes 2010-6-13 149 Riverside Edge of Rice-Midland Road, about 2.5 miles southwest of Highway 62. 230 Comment
  UC80048  Baileya pauciradiata T. S. Brandegee Riverside Colorado Desert Comment
  SEINET10479071  Bassia hyssopifolia Jon Ricketson, Heidi H. Schmidt 1992-10-25 Ricketson 4921 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
  CAS-BOT-BC100126  Bebbia juncea var. aspera H. M. Hall; L. A. Greata 1905-5-2 5969 Riverside Chuckawalla Mts. Comment
  JOTR31821  Bebbia juncea var. aspera La Doux, Tasha, Bill Truesdell 2007-11-9 2524 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; small side canyon to east of larger wash running parallel to and east of Lost Palms Canyon (Stop 6) 655 Comment
  SD181715  Bebbia juncea var. aspera Scott D. White 2000-10-24 8141 Riverside Gibbel Flat in the Santa Rosa Hills. 609 Comment
  JEPS52450  Bernardia myricifolia W. L. Jepson 1928-4-25 12591 Riverside Cottonwood Spring Colorado Desert, Cottonwood Mts., Cottonwood Spring 731 Comment
  OBI14422  Bernardia myricifolia Annie M. Alexander; Louise Kellogg, Louise Kellogg 1941-5-10 2144 Riverside 3 mi NE Cottonwood Spring, Eagle Mts 1036 Comment
  SEINET6062232  Bernardia myricifolia Unknown Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCR229109  Bernardia myricifolia A. C. Sanders, Chika Mori 2011-6-14 39662 Riverside Peninsular Range; Santa Rosa Mtns., Hwy 74 near 'Agave Hill', 0.3 km SW (249 deg. ) of VABM 'Lucky', 1.6 km NE (37 deg. ) of Black Hill, ridge west of Deep Canyon and east of Carrizo Creek, above switch backs 801 Comment
  POM78906  Berula erecta I. M. Johnston 1925-7-19 5332 Riverside Pedley-Arlington Road. Comment
  UCR271519  Bloomeria crocea T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8361 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  SD137978  Bloomeria crocea var. crocea Darin L. Banks, Steve Boyd 1995-5-9 382 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, the Dorland Mountain area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground.mIn mesic chaparral. 701 Comment
  RSA0035480  Boechera A. C. Sanders 2013-7-6 40857 Riverside SE of Idyllwild on South Ridge along FS Rd. 5S11, at junction with small side road 1905 Comment
  CAS-BOT-BC13901  Boechera johnstonii Ynez Whilton Winblad 1937-4-23 s.n. Riverside West slope of Mount San Jacinto. Comment
  UC10169  Boechera repanda H. M. Hall 1901-6 2449 Riverside Tauquitz Valley San Jacinto Mountains 1889 Comment
  UCR156275  Boerhavia coccinea T. B. Salvato, Kent Beaman 2005-5-16 853 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
  UCR89713  Boerhavia coulteri J. M. Stewart 1990-9-23 655 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  SBBG92286  Boerhavia intermedia A. C. Sanders 1989-9-19 9511 Riverside 1.75 km (airline) S of Tabaseca Tank, along the wash above "Tabaseca Target"; Chocolate Mtns Aerial Gunnery Range, 680 Comment
  CAS-BOT-BC31023  Bolboschoenus maritimus LeRoy Abrams 1901-5-1 s.n. Riverside Elsinore. Comment
  UCR277699  Bolboschoenus maritimus subsp. paludosus Mitch Provance 2012-11-3 1112- 05 Riverside San Timoteo Canyon, West Beaumont, N side of Oak Valley Parkway (San Timoteo Canyon Rd.), 1.5 miles W of I-10. 709 Comment
  RSA385911  Bouteloua aristidoides F. R. Fosberg 1932-3-13 8073 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  RSA0027477  Bouteloua aristidoides var. aristidoides Deidre Conocchioli, April Garbat 2013-9-5 39 Riverside Sonoran Basin & 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). 120 Comment
  UCR2191  Bouteloua barbata S. B. Parish 1902-6-28 8102 Riverside Sonoran (Colorado) Desert, Salton Basin, Mecca -58 Comment
  JOTR32610  Bouteloua barbata var. barbata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2673 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  RSA712215  Bouteloua barbata var. barbata Andrea Warniment, Pam De Vries 2005-12-13 ADW- 6 Riverside Northern edge of Interstate-10, next to road shoulder, east of Indio. 76 Comment
  HSC86980  Bowlesia incana B. G. Pitzer, A. C. Sanders 1987-4-21 491 Riverside Box Springs Mtns., near southernmost radio towers. 793 Comment
  CLARK-A1528-5666  Brandegea bigelovii John C. Roos 1960-4-8 Riverside 380 Comment
  OBI14836  Brandegea bigelovii Lewis S. Rose 1957-1-8 57018 Riverside Palm Desert 91 Comment
  OBI26116  Brandegea bigelovii David J. Keil 1976-12-12 11921 Riverside Along I-10, 37 mi E of Chiriaco Summit Comment
  RSA207686  Brandegea bigelovii James Henrickson 1969-11-8 4371 Riverside 5 air mi S of Palm Desert near top of Seven Level Hill at scenic stop 671 Comment
  SBBG95096  Brassica fruticulosa A. C. Sanders, O. F. Clarke 1989-4-5 9035 Riverside Box Springs Mtns, on E side of Riverside, (area burned spring of 88) at end of dirt rd on Two Trees Cyn Comment
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Sep 10 2011
  UCR90963  Brassica geniculata Scott D. White 1996-3-16 3819 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  RSA34565  Brassica juncea N. C. Cooper 1944-6-17 1387 Riverside San Jacinto Mtns. West side. 1372 Comment
  UCR243178  Brassica juncea A. C. Sanders 2013-4-29 40807 Riverside Riverside, UCR campus, near greenhouses SW of Herbarium 360 Comment
  CLARK-A1703-1190  Brassica tournefortii Charles S. Papp 1964-5-22 468 Riverside Riverside Comment
  RSA709905  Brassica tournefortii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4610 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA783014  Brassica tournefortii J. Andre 2011-2-9 15931 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  RSA783015  Brassica tournefortii J. Andre 2011-2-2 16204 Riverside West of Palm Springs alon Hwy 111 (south side) at base of San jacinto Mtns at Windy Point approx. 5.5 mi from Jct with I-10 259 Comment
  SD182672  Brassica tournefortii Judy Gibson 2008-3-17 Riverside City of Palm Desert, weed in street landscaping, Sun City retirement community on Westridge Ave., about 100 yards south of Grape Arbor Ave 34 Comment
  UCR174152  Brassica tournefortii A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32527 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  UCR34878  Brickellia californica L. B. Ziegler 1973-10-20 520 Riverside San Jacinto Mtns., Hemet (Garner) Valley, W side of valley. 1500 Comment
  CLARK-A1528-1663  Brickellia desertorum John C. Roos 1949-9-21 4665 Riverside Reche Canyon 457 Comment
  CLARK-A1528-1670  Brickellia desertorum John C. Roos 1951-10-19 5328 Riverside San Jacinto Mountains Comment
  CLARK-A1528-175  Brickellia desertorum Oscar F. Clarke 1969-10-8 Riverside Riverside Comment
  UC1010312  Brickellia desertorum John and Lucille Roos 1950-9-30 4995 Riverside 3 mi n of Elsinore (hills midway between Steele Pk. and Elsinore) 487 Comment
  RSA94118  Brickellia desertorum F. W. Peirson 1920-12-29 2336 Riverside Andreas Canyon near Palm Springs 244 Comment
  RSA695645  Brickellia incana J. Russell Bruff 1927-11-26 26 Riverside 10 miles north of Cottonwood Springs Comment
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Sep 20 2011
  UCR218078  Brodiaea filifolia Steve Boyd 2010-6-9 12289 Riverside Santa Ana Mountains, San Mateo Canyon, along trail from Tenaja Falls trailhead south towards Fisherman's Camp, upstream from first crossing of creek 378 Comment
  RSA92722  Bromus berteroanus J. C. Roos, L. Roos 1952-5-24 5711 Riverside one-year-old burn on hills north of Moreno 518 Comment
  SBBG56586  Bromus carinatus M. N. Ackley 1929-5-19 Riverside Tahquitz Lodge 1524 Comment
  CAS-BOT-BC156282  Bromus catharticus A. R. Roos 1937-11-13 s.n. Riverside Riverside. 243 Comment
  UCR229275  Bromus diandrus Ginny Short 2011-3-23 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; Pushwalla Canyon, c. 11 miles east of Cathedral City 183 Comment
  UCR101438  Bromus grandis A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22214 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Middle Branch of Millard Canyon 1341 Comment
  UCR209337  Bromus grandis Fred M. Roberts, Robt. L. Allen 2008-6-23 7056 Riverside Santa Ana Mountains, Santiago Peak, north slope, Main Divide Truck Trail, 0.4 km north-northeast of summit 1639 Comment
  RSA326150  Bromus orcuttianus var. hallii John F. Emmel 1981-6-21 785 Riverside San Jacinto Mountains; Idyllwild; large meadow between Strawberry Creek and USC ISOMATA campus. 1524 Comment
  RSA784226  Bromus rubens J. D. Olmsted 1962-5-2 443 Riverside By saddle just N of highest part of Box Spring Mountains. By road from Pigeon Pass. 777 Comment
  UCR229274  Bromus rubens Ginny Short 2011-3-23 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; Pushwalla Canyon, c. 11 miles east of Cathedral City 183 Comment
  UCR41690  Bromus rubens A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6036 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  SD185082  Bromus sterilis T. B. Salvato, Kent Beaman 2005-5-16 874 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of Ca. Highway 74. 548 Comment
  UC1979866  Bromus tectorum Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 879 Riverside Transverse Ranges; San Bernardino Mountains region: Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon. Comment
  UCR228741  Bromus tectorum A. C. Sanders, Nathan Moorhatch 2011-3-22 38799 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. between Palomar Rd. and San Jacinto Rd. 442 Comment
  UCR243571  Bromus tectorum Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21107 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
  SEINET13203179 Image available Cactaceae Marc A. Baker, Michelle Cloud, Hughes 2015-1 18297 .1 Riverside Chuckwalla Mountains, 4.1km WNW of Corn Spring, 630m NE of Aztec Well, 71km west of central Blythe, narrow valley floor 834 Comment
  POM250344  Caesalpinia virgata I. W. Clokey 1935-4-17 6717 Riverside Shafer [Shavers] Wells - Cottonwood Springs. 25 Comment
  SEINET7347688  Caesalpinia virgata N. H. Holmgren, P. K. Holmgren 1974-3-23 7462 Riverside Box Canyon wash, 11.4 (9 airline) miles east-northeast of Mecca 244 Comment
  UCR5574  Caesalpinia virgata O. F. Clarke 1966-10-5 661005- 13 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
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Jan 17 2010
  CAS-BOT-BC438495  Calandrinia ciliata E. W. Lathrop 1959-4-1 4393 Riverside 18 miles S.W. of Elsinore. Tenaja Canyon. Comment
  UCR116455  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2001-3-30 23874 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
  POM13640  Callitriche marginata P. A. Munz 1922-4-29 5064 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  UCSB246  Calocedrus decurrens White, Arthur 1960-5-14 Riverside At side of road between Banning and Idyllwild, 14.2 mi. s. of Hwy. 70 and 99 1676 Comment
  RSA444479  Calochortus albus J. C. Roos 1960-5-30 s.n. Riverside Ridge between heads of Bedford Canyon and East Fork Ladd Canyon 1220 Comment
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May 20 2011
  UCR1199  Calochortus albus Bennie Brist 1960-5-7 s.n. Riverside Santa Ana Mtns., along Hwy 74 near W boundary of Riverside Co. 610 Comment
  POM12709  Calochortus invenustus Philip A. Munz 1922-6-27 5856 Riverside Santa Rosa Mountains: Santa Rosa. 2012 Comment
  UC218104  Calochortus invenustus P. A. Munz 1922-6-27 5856 Riverside Santa Rosa Santa Rosa Mts. 2011 Comment
  RSA641301  Calochortus palmeri var. munzii Orlando Mistretta, Mark Elvin 1995-6-19 1779 Riverside San Jacinto Mountains: Highway 74. 1264 Comment
  RSA79326  Calochortus plummerae Percy C. Everett, E. K. Balls, Lee Lenz 1952-7-1 17281 Riverside 6.7 mi W along Hwy 74 from jct w/ rd. S from Idyllwild. Comment
  UCR217529  Calochortus plummerae Diane Menuz 2008-6-20 474 Riverside San Bernardino Mtns. foothills, Bogart County Park, c. 350 m SW of fishing pond 987 Comment
  UCR262228  Calochortus plummerae T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3715 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
  RSA674935  Calochortus splendens Scott D. White 2000-5-30 7969 Riverside Corona Foothills: ca. 1 mi SE of the I-15/El centro Rd jtn. Adv to new housing construction. Alluvial terrances with steep, incised channels. 335 Comment
  RSA757793  Calycoseris parryi LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4294 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
  UC135211  Calycoseris parryi S. B. and W. F. Parish Apr 1882 1214 Riverside Morongo Comment
  UCR80032  Calycoseris parryi Theo Glenn 1991-5-2 91- 13 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  RSA781806  Calycoseris wrightii Duncan S. Bell 2010-5-1 893 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  UC963833  Calycoseris wrightii Helen K. Sharsmith 1952-4-11 4064 Riverside 7 mi s of Highway 60-70 (nw base of Chuckawalla Mountains); Colorado Desert, Chuckawalla Mountains 533 Comment
  UC635495  Calyptridium monandrum Margaret Stason 1927-2-12 Riverside One Thousand Palm Canyon; Colorado Desert, One Thousand Palm Canyon Comment
  UCR231811  Calyptridium monandrum Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 05 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  SD146299  Calystegia macrostegia subsp. intermedia Mitch Provance 2000-6-24 2042 Riverside Riverside; Santa Ana River Wash, between the Market Street bridge and the 60 Freeway. 244 Comment
  CAS-BOT-BC199280  Calystegia sepium subsp. limnophila S. B. Parish 1903-10-15 5334 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
  POM66476  Camissonia arenaria Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sink near Oasis. Comment
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Mar 27 2010
  RSA465918  Camissonia bistorta M. B. Dunkle 1935-3-10 4357 Riverside Temescal Canyon 244 Comment
  UCR107408  Camissonia bistorta B. G. Pitzer 1997-3-23 2992 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR174434  Camissonia bistorta A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32494 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
  UCR213537  Camissonia bistorta A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37807 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCR215514  Camissonia bistorta Daphne K. Christopher, Hannah I. Stevens 2003-4-4 085 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  RSA144625  Camissonia californica William M. Klein, H. Latimer, A. Griffiths 1958-5-16 266 Riverside 4 miles E of Redlands along Highway 70-99, coastal sage scrub Comment
  RSA339346  Camissonia californica Robert F. Thorne, W. A. Tilforth 1980-5-28 54171 b Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  SEINET7072826  Camissonia californica A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371 [the Cahiulla Road]. Coordinate datum: WGS84/NAD83. (33? deg. 27' 46" North Latitude, -116? deg. 51' 36" West Longitude, Coordinate datum: NAD27.). Comment
  UCR96880  Camissonia californica Scott D. White 1993-3-12 1183 Riverside Near Winchester 466 Comment
  CLARK-A1656-771  Camissonia campestris Theo Glenn 1982-4-21 Riverside San Jacinto Mountains Comment
  SBBG24967  Camissonia campestris subsp. campestris D. Myrick 1966-4-2 1345 Riverside Palms to Pines Hwy 74, ca. 5 mi W of Palm Desert Comment
  UCR244382  Camissonia campestris subsp. campestris Jim Andre 2012-4-16 20953 Riverside Joshua Tree National Park;, along Geotour Road, at SW end of one-way loop in Pleasant Valley at foot drainage below Pinyon Well, c. 7.5 mi. south of paved National Park Loop Rd. 1095 Comment
  RSA651862  Camissonia cardiophylla David B. Dunn 1947-7-12 2982 Riverside Pushawalla Canyon, Indio Hills. Comment
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May 24 2012
  JOTR31925  Camissonia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2167 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash draining into west Pinkham Wash Comment
  RSA0043366  Camissonia claviformis Marc A. Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17703 Riverside Palo Verde Mesa, 14 km SW of Blythe, 6 km ENE of north end of the Mule Mountains. 118 Comment
  SEINET3005049  Camissonia claviformis G. Rink 2011-4-25 10486 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe 109 Comment
  RSA144802  Camissonia claviformis subsp. aurantiaca E. G. Linsley, J. W. MacSwain 1960-3-2 60 -9 Riverside 2 miles west of Desert Center. Comment
  RSA449192  Camissonia claviformis subsp. aurantiaca E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert. Calif. Painted Canon. Comment
  RSA727870  Camissonia claviformis subsp. claviformis Naomi S. Fraga, Lisa Rojas 2005-2-10 1352 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR166157  Camissonia confusa T. B. Salvato, John F. Green 2004-5-27 563 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  RSA359849  Camissonia graciliflora Steve Boyd 1986-4-2 1637 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  POM48988  Camissonia hirtella P. A. Munz, I. M. Johnston 1924-7-29 8847 Riverside Poppet Flat, San Jacinto Mts. 1524 Comment
  UCR119406  Camissonia hirtella Mitch Provance 1998-6-11 645 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  UCR227768  Camissonia hirtella R. F. Thorne, Walter Wisura, David Michener 1982-5-24 55190 Riverside Peninsular Ranges; Santa Ana Mountains, Cleveland National Forest, [north] along Main Divide Truck Road [from El Cariso Fire Station area] 915 Comment
  UCR58881  Camissonia hirtella Ed LaRue 1989-5-4 s.n. Riverside 2 mi NW of Lake Elsinore, adjacent to Cleveland National Forest; at McVicker Canyon. 488 Comment
  RSA449035  Camissonia ignota Christopher Davidson 1973-4-1 1802 Riverside Agua Tibia Mountains. Highway 71/79 approximately 7 miles from junction of US 395 South. 412 Comment
  RSA449034  Camissonia lewisii Christopher Davidson 1973-4-1 1819 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  RSA80983  Camissonia pallida subsp. pallida G. R. Campbell 1952-4-5 18369 Riverside On road leading from Hwy 60 to 29 Palms [Hwy 62], at jct to Desert Hot Springs. 762 Comment
  POM258908  Camissonia refracta E. C. Jaeger 1939-12-3 s.n. Riverside Orocopia Mts. 366 Comment
  RSA449049  Camissonia refracta Christopher Davidson, Josephine Jones 1980-4-4 9933 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  RSA703382  Camissonia refracta LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1409 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA775298  Camissonia refracta Duncan S. Bell 2011-3-18 2059 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  UC1186514  Camissonia refracta E. G. Linsley and J. W. MacSwain 1960-3-2 60 -5 Riverside 2 mi w Desert Center Comment
  UC1979872  Camissonia refracta Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 765 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Mecca Hills, Shaver's Well Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. Comment
  POM38020  Camissonia strigulosa Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA613650  Camissonia strigulosa D. L. Banks, Victor W. Steinmann 1997-3-13 1469 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UCR178015  Camissonia strigulosa Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 022 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  CHSC110680  Camissoniopsis bistorta Dean Wm. Taylor 2003-5-6 18525 Riverside 1.15 miles NNE of Cabazon, along access roads paralleling powerlines. 640 Comment
  UCSB22462  Camissoniopsis pallida subsp. hallii Day, Fran 1964-3-23 Riverside 10.3 miles south of Cabazon on Highway 111, north side of road 304 Comment
  CHSC26018  Camissoniopsis pallida subsp. pallida Dieter H. Wilken 1965-6-29 302 Riverside Along County Route 1, about 3 miles south of Banning, San Jacinto Mtns. 914 Comment
  CHSC106640  Carex bolanderi P. Zika; N. Otting, K. Kramer 2010-8-6 25300 Riverside San Jacinto Mountains (SnJt); Bridge over N Fork San Jacinto River, Dark Canyon, at campground. 1785 Comment
  RSA769195  Carex bolanderi P. F. Zika, Nick Otting, K. Kramer 2010-8-6 25300 Riverside Bridge over North Fork San Jacinto River, Dark Canyon, at campground, San Jacinto Mountains 1785 Comment
  POM122858  Carex fracta Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
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Sep 3 2011
  SEINET10945977  Carex multicaulis V. Soza, Naomi S. Fraga; S. Swartzentruber 2003-6-25 Soza 1699 Riverside Peninsular Ranges; San Jacinto Mountains region: Junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  UC729830  Carex multicostata Carl B. Wolf 1932-8-5 3947 Riverside along trail from Tahquitz Valley to San Jacinto Peak; San Jacinto Mts. 2621 Comment
  OBI35042  Carex praegracilis A. C. Sanders & Steve. D. Boyd, Steve. D. Boyd 1980-5-19 1500 Riverside San Jacinto Mts, Garner Valley. W of Kenworthy Ranger Sta 1372 Comment
  SEINET13700904  Carex sartwelliana P. F. Zika, Otting, N 2010-8-6 25299 Riverside San Bernardino National Forest, N Fork San Jacinto River, Dark Canyon, at Azalea Trails Girl Scout Camp, San Jacinto Ranger District, San Jacinto Mountains (SnJt) Comment
  UC212812  Carex schottii I. M. Johnston 1928-4-27 1859 Riverside Murrieta Southern California 304 Comment
  RSA0099996  Carex subfusca Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8573 Riverside Santa Rosa Mountains; along Forest Service Road 7S02, approx. 0.7 air mile west of the summit of Santa Rosa Mountain. 2233 Comment
  SEINET7578803 Image available Carex triquetra Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7311 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, San Mateo Cayon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon. 366 Comment
  SEINET7578804 Image available Carex triquetra Steve Boyd, Tim Ross 1992-6-10 7640 A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about "Potrero Escondido", an isolated area of low relief topping the ridge system due west of the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 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
  UCR174425  Castilleja affinis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32481 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA523540  Castilleja affinis subsp. affinis Steve Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4000 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  JEPS16162  Castilleja applegatei subsp. martinii Rimo Bacigalupi with L. R. Heckard and C. L. Custer 1953-5-5 4076 Riverside 1.1 mi s Keen Summit (along State Highway 74); San Jacinto Mountains 1524 Comment
  RSA0010906  Castilleja applegatei subsp. martinii J. R. Bruff 1934-7-5 s.n. Riverside [San Jacinto Mts.] 2439 Comment
  RSA773659  Castilleja exserta Duncan S. Bell, Joy D. England 2010-5-20 1022 Riverside San Bernardino National Forest: Garner Valley, approximately 1.75 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1361 Comment
  UCR152522  Castilleja exserta A. C. Sanders 2005-4-22 29616 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR174449  Castilleja exserta A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32504 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  RSA741054  Castilleja exserta subsp. exserta Scott D. White, Justin M. Wood 2008-6-5 12061 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  SEINET156520  Castilleja foliolosa Norman C. Cooper 1944-5-6 1183 Riverside Banning. 701 Comment
  SEINET244844 Image available Castilleja foliolosa A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24934 Riverside The Badlands; Hills and canyons west of Laborde Canyon, 1 mi NE of Eden Hot Springs, SW of Beaumont 610 Comment
  UCR16020  Castilleja foliolosa M. J. Arbaugh 1978-6-8 s.n. Riverside Sonoran (Colorado) Desert/San Bernardino Mtns., Coachella Valley, Verbenia [=Cottonwood] Canyon, 2 mi north of State 60 on Verbenia Avenue, along side of stream bed 610 Comment
  LA209248  Castilleja miniata Elizabeth McClintock; 1939-9-1 sn Riverside San Jacinto Mountains, trail to Round Valley from Hidden Lake Comment
  RSA0010957  Castilleja miniata subsp. miniata Fordyce Grinnell Jr. 1908-07 s.n. Riverside Strawberry Valley. 1829 Comment
  UC495228  Castilleja minor subsp. spiralis Commander Dammers Oct 1930 Riverside Palm Springs Comment
  UCR26173  Castilleja minor subsp. spiralis John C. Roos 1948-4-24 3808 Riverside Eastern San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Wash 549 Comment
  UC857440  Caulanthus cooperi K. Watkins and E. McClintock 1937-4-10 Riverside Palms-to-Pines Highway near road to Shumway; near road to Shumway Comment
  UCR70891  Caulanthus heterophyllus Steve Boyd, T. S. Ross 1990-5-11 4621 Riverside Agua Tibia Mountains, Cleveland National Forest, base of Agua Tibia Mtn, east of Dripping Springs campground, south of Hwy 79 671 Comment
  CAS-BOT-BC56931  Ceanothus Steve Boyd; Tim Ross 1993-3-23 7894 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 670 Comment
  RSA543205  Ceanothus crassifolius Steve Boyd 1991-3-17 5480 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
  RSA569987  Ceanothus crassifolius Steve Boyd, Kyle Boyd 1993-3-28 7921 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  UCR90962  Ceanothus crassifolius Scott D. White 1996-3-16 3831 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  SBBG105059  Ceanothus crassifolius var. crassifolius S. Boyd with T. Ross 1993-3-23 Riverside Palomar Range S of Vail Lake, N base of Agua Tibia Mtn, along trail extending S from end of Woodchuck Rd Comment
  UCR49763  Ceanothus cuneatus D. C. Hawks 1987-5-16 s.n. Riverside Terwilliger Valley, S of Anza, Terwilliger Road, 0.9 mi. south of intersection with Wellman Road 1189 Comment
  UC1073272  Ceanothus greggii var. perplexans George B. Rossbach 1955-4-28 344 Riverside just S of N boundary of San Bernardino National Forest, San Jacinto Mountains, Route 78, SE of Banning Comment
  SBBG34965  Ceanothus leucodermis T. L. Secrest 1951-5-19 Riverside San Jacinto Mtns 1463 Comment
  RSA570553  Ceanothus ophiochilus Steve Boyd, Chris Frazier 1993-4-24 8012 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. 1000 Comment
  UCR89467  Ceanothus ophiochilus Steve Boyd, T. S. Ross 1993-3-23 7893 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agua Tibia Mtn., Agua Tibia Wilderness area, Cleveland National Forest, along trail extending S from end of Woodchuck Rd. 671 Comment
  UCR26628  Ceanothus spinosus E. W. Lathrop 1966-3-30 6120 Riverside Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso & Santiago Peak 1220 Comment
  UC1280931  Celtis reticulata H. E. McMinn 1935-6-27 4077 Riverside near Banning; near Banning Comment
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Mar 13 2011
  RSA709641  Centaurea repens Chris E. True, Laurel Salzman 2004-7-16 s.n. Riverside San Timoteo Canyon, 3.2 miles SE of Redlands Blvd., across road from historic schoolhouse, between RR tracks and creek. NE of El Casco Lakes. 579 Comment
  UCR119949  Centaurea repens Mitch Provance 1998-9-5 1026 Riverside City of Riverside, Hillside area, along the south side of Dewey St., between Streeter Ave. and Palm Ave. 238 Comment
  RSA673547  Cerastium glomeratum Scott D. White, Tasha La Doux 2000-4-20 7705 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UCR126372  Cerastium glomeratum A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 680 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  LA47733  Cercocarpus betuloides Elizabeth McClintock; 1936-4-11 sn Riverside Ribbonwood, Pines to Palms Highway Comment
  RSA1787  Cercocarpus betuloides Carl B. Wolf 1931-5-11 s.n. Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
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Mar 24 2011
  RSA296123  Cercocarpus betuloides Barry A. Prigge 1980-8-11 3899 Riverside San Bernardino Mts, White Canyon: 3.2 miles upstream from trout farm. 963 Comment
  JOTR30772  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
  CAS-BOT-BC279540  Chaenactis artemisiifolia Edmund C. Jaeger June 23 s.n. Riverside On west slope of San Jacinto Mts. near Half-way House. Idyllwild road 1005 Comment
  RSA674925  Chaenactis artemisiifolia Scott D. White, P. De Vries 2000-4-25 7727 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  RSA0106705  Chaenactis carphoclinia Duncan S. Bell, Amanda Turek 2010-4-9 755 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 439 Comment
  POM351672  Chaenactis carphoclinia var. carphoclinia Christopher Davidson 1979-4-4 7679 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca. 213 Comment
  SEINET2042093 Image available Chaenactis fremontii A. C. Sanders 2001-4-8 23973 Riverside (Desert Hot Springs Quad 7.5') Coachella Valley, Garnet, along transmission line route, E of Garnet. T3S R4E S15 (center of W/2) 232 Comment
  SEINET3133949  Chaenactis fremontii S. B. Parish 1907-4-19 6076 Riverside W borders of the Colorado desert 100 Comment
  UCD130310  Chaenactis fremontii David Charlton 1988-2-25 1225 Riverside Alluvial Fan, south side of Little San Bernardino Mountains. Fargo Canyon Road to Cottonwood Wash, south of Joshua Tree National Park, parallel to I-10. 5 miles east of Jct Dillon Road and Fargo Canyon Road. 609 Comment
  UCR4208  Chaenactis fremontii J. R. Sweeten 1965-5-15 21 Riverside San Bernardino Mtns., Whitewater Canyon, Whitewater Cyn Rd. about 4 miles from Hwy 60 Comment
  RSA388507  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-5-1 1808 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  UCD130387  Chaenactis glabriuscula var. glabriuscula R. L. Smith 1960-4-15 4 Riverside Cabazon. 243 Comment
  CDA38669  Chaenactis stevioides Freeman 2012-3-26 PDR# 331 P06141610 Riverside Vicinity of Blythe. 0 Comment
  JOTR32135  Chaenactis stevioides La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2291 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  UCR167062  Chaenactis stevioides Scott D. White 2005-3-29 10836 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UCR20633  Chaetopappa aurea W. W. Mayhew 1977-7-5 s.n. Riverside San Jacinto Mtns, 2 mi. west of Idyllwild 1494 Comment
  UC2031390  Chamaesyce abramsiana Duncan S. Bell with John Anderson, Kim Clark, Debbie George, Jim George, and Ed Howland 2013-9-28 6019 Riverside Chuckawalla Valley; approx. 22.25 air miles W of Blythe, S side of Ford Dry Lake, about 0.5 air miles SE of Hopkins Well. Comment
  JEPS48830  Chamaesyce albomarginata Marjorie D. Clary 1932-5-26 942 -A Riverside Hexie Mtn, Pleasant Valley Comment
  RSA543172  Chamaesyce albomarginata Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6082 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
  SEINET4207484  Chamaesyce micromera Duncan S. Bell 2011-10-22 3000 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice.; 0 437 Comment
  JEPS52381  Chamaesyce polycarpa Mary Beal 1939-10-25 708 Riverside Mojave Desert, Palm Springs area Comment
  RSA763996  Chamaesyce polycarpa Justin M. Wood, Dustin M. Ray 2010-10-21 3005 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  RSA0031423  Chamaesyce setiloba Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel 2013-2-24 4472 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  RSA613272  Chamaesyce setiloba L. C. Wheeler 1976-3-30 s.n. Riverside Morongo Wash, 5 miles northwest of Desert Hot Springs. 518 Comment
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Dec 17 2016
  UCR151407  Cheilanthes clevelandii D. L. Banks 1997-3-1 1356 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Pechanga Creek, east of the'Fiesta Grounds' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation 427 Comment
  UCR89885  Cheilanthes clevelandii A. C. Sanders 1995-11-26 17912 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  CAS-BOT-BC70035  Cheilanthes covillei Marcus E. Jones 1929-3-9 s.n. Riverside Whitewater, Colo. Desert Comment
  RSA125966  Cheilanthes covillei E. K. Balls, Percy C. Everett 1957-11-4 22752 Riverside Snow Creek, about Old Fish Hatchery, N base San Jacinto Mtns. 701 Comment
  CAS-BOT-BC70297  Cheilanthes newberryi E. W. Lathrop 1965-4-26 5695 Riverside 4 miles southwest of Murrieta Comment
  RSA23231  Cheilanthes parryi Ernest Braunton 1940-4-3 2021 Riverside Berdoo Canyon, 10 mi. E. of Indio 304 Comment
  RSA577151  Cheilanthes parryi L. C. Wheeler 1933-12-2 2305 Riverside Mouth Tahquitz Canyon near Palm Springs 144 Comment
  UCR153432  Cheilanthes parryi L. C. Wheeler 1964-10-17 8638 Riverside Sonoran Desert, North side of Orocopia Mountains, south of Hayfield Reservoir 457 Comment
  UCD97783  Chenopodium album C. W. Tilforth 1968-3-11 138 a Riverside Western end of Tallac Knoll, LASCA, Arcadia. Comment
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Sep 7 2013
  RSA191449  Chenopodium ambrosioides E. W. Lathrop, R. F. Thorne 1967-9-26 6664 Riverside 6 miles NW of Murrieta. 610 Comment
  RSA763339  Chenopodium berlandieri R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55391 Riverside Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office 595 Comment
  RSA192154  Chenopodium berlandieri var. sinuatum E. W. Lathrop 1965-5-29 4583 Riverside 14 mi. W of Murrieta. Comment
  POM319737  Chenopodium macrospermum var. farinosum Patricia Wilder 1970-10-15 4760 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills 152 Comment
  SEINET14416905  Chenopodium missouriense Mitch Provance 2012-1 61251 Riverside San Bernardino Valley: Box Springs Canyon, SW base of the Box Springs Mountains, E side of Interstate 215, .25 mi SE of the intersection of Gernert Rd. and Watkins Dr. 422 Comment
  UCR115133  Chenopodium missouriense Mitch Provance 2000-10-14 2251 Riverside Santa Ana River Bluffs, Belltown/ Crestmore area, near the corner of Wilson and Holly Sts. on the W side of the Santa Ana River 268 Comment
  UCR115137  Chenopodium missouriense Mitch Provance 2000-10-28 2272 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  UCD121656  Chilopsis linearis subsp. arcuata L. S. Rose 1935-12-22 s.n. Riverside Colorado Desert, Palm Canyon Wash. 182 Comment
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Feb 6 2013
  CAS-BOT-BC451360  Chimaphila menziesii H. M. Hall 1897-6-16 s.n. Riverside San Jacinto Mts. Comment
  CAS-BOT-BC451473  Chimaphila umbellata Scott D. White 1996-8-1 4408 Riverside San Jacinto Mts., Idyllwild Area: Hwy. 243 at Deer Springs trialhead and adjacent area. 1828 Comment
  UCR101185  Chloracantha spinosa L. C. Wheeler 1955-6-10 7153 Riverside Sonoran (Colorado) Desert, 2 mi. west of Blythe Comment
  RSA0078224  Chloris virgata Sarah J. De Groot, Amy Rouillard 2015-9-15 7562 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  RSA118957  Chloris virgata L. S. Rose 1957-1-9 57025 Riverside La Quinta. 15 Comment
  RSA180372  Chlorogalum parviflorum E. W. Lathrop 1960-6-8 4938 Riverside 14 miles west of Murrieta Comment
  RSA369229  Chlorogalum parviflorum Anstruther Davidson 1910-3-1 2468 Riverside Near Riverside. Comment
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Apr 23 2011
  CAS-BOT-BC191713  Chorizanthe brevicornu var. brevicornu Barbara Ertter; Jeffrey Strachan 1980-5-20 3474 Riverside Sandy flat on W side of Highway 111 between Cathedral City and Rancho Mirage 91 Comment
  JOTR31924  Chorizanthe brevicornu var. brevicornu La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2166 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; west Pinkham Wash, west of Pinkham Canyon Road; sandy gravel flats near road Comment
  SDSU4926  Chorizanthe fimbriata var. fimbriata H. Wedberg 1962-5-23 933 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
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Jan 24 2013
  CAS-BOT-BC191307  Chorizanthe fimbriata var. laciniata Philip A. Munz 1937-5-31 15116 Riverside below Anza Tablet at head of Coyote Canyon, SW Riverisde county 1005 Comment
  UCR174384  Chorizanthe parryi var. parryi A. C. Sanders 2006-5-19 32415 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
  UCR217539  Chorizanthe polygonoides var. longispina Diane Menuz 2008-4-9 400 Riverside Perris-Hemet Basin, Hartford Springs Reserve, near Idaleona Road 616 Comment
  RSA392737  Chorizanthe rigida E. C. Jaeger 1922-3-29 815 Riverside Chuckwalla Valley. 259 Comment
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May 29 2011
  JEPS100430  Chorizanthe xanti var. leucotheca Dean W. Taylor 2003-5-6 18522 Riverside 1.15 miles NNE of Cabazon, along access road paralleling powerlines, San Gorgonio Pass, growing in the wash draining Millard Canyon 640 Comment
  RSA172019  Chorizanthe xanti var. leucotheca P. A. Munz 1930-5-1 11919 Riverside One mile east of Cabazon, San Gorgonio Pass. Comment
  SEINET10445993 Image available Chorizanthe xanti var. leucotheca Marc A. Baker, Danny Cuellar, Emily Mastrelli, Cecile Shohet and Stephan Myers 2015-1 18308 Riverside south side of the San Gorgonio River, 2km north of Banning, south base of the San Bernardino Mountains, 52km east of Riverside 788 Comment
  CAS-BOT-BC36261  Chrysolepis sempervirens Mary F. Spencer 1919-7-8 665 Riverside Tacquitz ridge, San Jacinto Mt. 2438 Comment
  UCR50298  Chrysopsis villosa B. G. Pitzer, J. L. Hall, H. P. Hall 1987-5-23 0567 Riverside San Bernardino Mtns., Whitewater Canyon, from N edge of Fish Hatchery to c. 0.5 mi north of it; c. 5.5 mi north of I-10 on Whitewater Cyn Rd. 732 Comment
  CLARK-A1528-5224  Chrysopsis villosa var. fastigiata John C. Roos 1949-9-17 4657 Riverside Whitewater Wash Comment
  RSA688856  Chrysothamnus paniculatus Scott D. White, Michael Honer 2003-5-13 9250 Riverside San Bernardino Mtns: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  VVC1352  Chrysothamnus paniculatus A. C. Sanders, J. Mac 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, E of VAMB Captain 534 Comment
  CAS-BOT-BC100783  Chrysothamnus viscidiflorus subsp. viscidiflorus Rev. J. C. Nevin s.n. Riverside San Jacinto Mts. Comment
  UCD103715  Chylismia brevipes LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1408 Riverside Colorado Desert. Chocolate-Chuckwalle Mountains region. Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 479 Comment
  SD44540  Chylismia claviformis subsp. aurantiaca J. B. Marks Jul 1948 Riverside Roadside above Banning. 1067 Comment
  UCR276075  Cirsium occidentale T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3800 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
  POM13155  Cirsium scariosum P. A. Munz, I. M. Johnston 1922-5-19 5449 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  POM14082  Cistanthe monandra P. A. Munz, D. Keck 1922-4-14 4980 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash. 91 Comment
  POM250482  Cistanthe monandra I. W. Clokey 1935-4-18 s.n. Riverside Gavilan Mesa. 600 Comment
  CAS-BOT-BC438965  Cistanthe monosperma Mary F. Spencer 1919-7-6 1264 Riverside Tacquitz [Tahquitz] ridge, San Jacinto Mt. 2377 Comment
  RSA0123670  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
  RSA221049  Clarkia bottae E. W. Lathrop 1966-5-17 6543 Riverside 4 mi. W of Corona, between Tin Mine Canyon and Santiago Peak. 610 Comment
  RSA674924  Clarkia epilobioides Scott D. White, Pam DeVries 2000-4-25 7729 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  UCR260859  Clarkia epilobioides A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41564 Riverside Peninsular Range, Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15 373 Comment
  CAS-BOT-BC163862  Clarkia purpurea subsp. quadrivulnera Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  RSA612490  Claytonia parviflora D. L. Banks 1997-2-23 1327 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  UCR165424  Claytonia parviflora A. C. Sanders 2005-4-21 29580 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR174072  Claytonia parviflora A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32586 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  RSA586804  Claytonia parviflora subsp. viridis D. L. Banks, Steve Boyd 1995-5-3 0241 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA276910  Claytonia perfoliata subsp. mexicana J. M. Miller 1978-3-25 724 Riverside San Gorgonio Pass, foothills of the San Jacinto Mountains; 3 mi. S of Banning, Hwy 243. 854 Comment
  RSA386222  Clematis lasiantha E. W. Lathrop 1971-3-21 7453 Riverside Bedford Truck Trail of the Coleveland nat'l Forest, Trabuco District. 915 Comment
  RSA219223  Clematis ligusticifolia C. W. Tilforth 1970-10-16 319 Riverside Road to Santa Rosa Mountain Comment
  SD80140  Clematis pauciflora Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 367 Riverside Deep Canyon south of Hwy 74, ca. 2 mi up water service road, below crossing; north slope Santa Rosa Mountains. 1310 Comment
  POM254915  Cleome isomeris P. A. Munz 1940-3-24 15713 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  RSA49191  Cleome isomeris P. A. Munz 1949-4-13 13042 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  SDSU9011  Coleogyne ramosissima Joan Godsil 1953-1-18 552 Riverside Joshua National Monument, 29 Palms to Cottonwood Springs Hwy. 1099 Comment
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Jan 24 2013
  SD129528  Collinsia concolor Miles Fellows 1985-4-9 143 Riverside Oasis de Los Osos Preserve of The Nature Conservancy, Snow Creek Canyon, at the N foot of the San Jacinto Mountains, above old house site Comment
  RSA0117411  Collinsia concolor John Olmsted 1958-6-15 177 Riverside May Valley Truck Trail 2 mi. SE of Saunder's Meadow SW of Idyllwild Calif. (turn S from Idyllwild-Hemet Rd. at Idyllwild school.) 1646 Comment
  RSA496374  Convolvulus simulans Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3049 Riverside Vail Lake area, 0.75 mile NW of dam. 622 Comment
  SD244144  Convolvulus simulans T. B. Salvato, Mike Landers 2013-3-21 7385 A Riverside Perris-Aguanga Basin: Murrieta, between Hwy 215 and State Route 79 (Winchester Road), 0.23 mile east of the intersection of Keller Road and Menifee Road (Romoland 7.5'Q) 466 Comment
  UCR98857  Convolvulus simulans A. C. Sanders, G. Helmkamp 1997-3-15 19998 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  UC468806  Conyza canadensis F. M. Reed 1905-9-25 406 Riverside Terraces Ranch Comment
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Oct 20 2007
  UCR21864  Conyza canadensis 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
  RSA598989  Conyza coulteri L. C. Wheeler 1952-10-29 7010 b Riverside Riverside. Citrus Experimental Station. Comment
  UC729611  Coreopsis californica var. californica J. T. Howell 1929-2-14 1232 Riverside 2 mi s Glen Ivy; Temescal Canyon Comment
  LA99062  Corethrogyne filaginifolia E. R. Hobbs; G. Malanson, Walt Westman 1978-9-30 78- 132 Riverside Cortrite Avenue, Homeland Comment
  LA99063  Corethrogyne filaginifolia E. R. Hobbs; G. Malanson, Walt Westman 1978-9-30 78- 132 Riverside Cortrite Avenue, Homeland Comment
  POM319727  Corethrogyne filaginifolia Patricia Wilder 1971-11-17 5348 Riverside Along the Santa Ana River at end of Pedlay Sreet, north of Norco. 198 Comment
  UC76431  Corethrogyne filaginifolia Miss M. Alice King 1893-12-1 Riverside Menifee<?> Comment
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Apr 3 2011
  UCR278880  Corethrogyne filaginifolia Mitch Provance 2012-7-17 712- 20 Riverside San Gorgonio Pass, Smith Creek SW of Banning, near corner of Sunset Ave. and Bobcat Rd. 735 Comment
  SEINET3071829  Coryphantha alversonii Marc A. Baker, Michelle Cloud-Hughes 2011-1 Riverside Comment
  RSA612818  Cotula australis D. L. Banks 1997-3-1 1351 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the Fiesta Grounds to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  SD125359  Crassula aquatica Robert F. Thorne, Earl Lathrop 1975-5-25 45561 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  UCR281094  Crassula aquatica Mitch Provance, John Hazlett, Matt K. Beyers 2017-4-19 417- 51 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  UCR157768  Crassula tillaea T. B. Salvato, A. C. Sanders 2005-5-17 922 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
  UCR110918  Cressa truxillensis A. C. Sanders, K. C. Rose 1999-6-18 22820 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  POM293088  Croton californicus Lyman Benson 1946-4-15 12021 Riverside 2 miles east of Banning, Colorado Desert. 609 Comment
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Jun 10 2008
  RSA429  Croton californicus J. T. Howell 1928-7-9 1060 Riverside Temescal Canyon, 6 miles south of Glen Ivy 335 Comment
  RSA586856  Croton californicus D. L. Banks, S. D. Boyd 1995-5-3 0275 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
  UC868658  Croton californicus Lewis S. Rose 1938-12-18 38320 Riverside Palm Springs 137 Comment
  LA204863  Croton californicus Carl Epling; March 1927 s.n. Riverside Whitewater Pass, near Palm Springs. Comment
  POM10317  Croton californicus var. mohavensis Charlotte M. Wilder 1904-4-10 497 Riverside Palm Springs, Colorado Desert Comment
  UCR153B  Croton setiger O. F. Clarke 1968-3-25 s.n. Riverside Riverside, UCR campus 396 Comment
  UCR35108  Croton setiger L. B. Ziegler 1974-7-17 531 Riverside Foothills of San Jacinto Mtns, beside Poppet Flat Road 671 Comment
  CAS-BOT-BC133959  Cryptantha J. H. Thomas 1949-2-28 55 a Riverside About 6.5 miles south-east of Banning between Banning and Palm Springs Comment
  RSA0116808  Cryptantha A. C. Sanders 2014-4-8 40990 Riverside Peninsular Range: Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km SE of I-15 crossing, near mouth of Mayhew Canyon and just east of Mayhew Rd. 317 Comment
  UCR231780  Cryptantha John F. Green 2008-4-23 08- 24 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  CLARK-A1528-2209  Cryptantha angustifolia John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  POM311696  Cryptantha angustifolia Sally Christian 1957-4-3 312 Riverside Road to 29 Palms, 1 mile from Hwy 99. 427 Comment
  RSA650996  Cryptantha angustifolia David B. Dunn 1948-3-14 3763 Riverside near Hidden Springs Ranch, 3 miles south of the Indio Hills. Colorado Desert. Comment
  RSA652889  Cryptantha angustifolia John Wallace, Steve McNabb 1991-5-5 9 Riverside Approximately one mile south of Thompsons Camp. Comment
  SD124125  Cryptantha angustifolia Robert F. Thorne, Fosberg, Sachet & Herbst 1983-4-23 55469 Riverside San Bernardino Mountains, Side-canyon on west side of Whitewater canyon, ca. 3.3 miles north of Whitewater Post Office 594 Comment
  UCR20836  Cryptantha angustifolia A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1306 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
  POM98737  Cryptantha angustifolia P. A. Munz 1926-1-31 9974 Riverside Dos Palmas Spring Comment
  NY43471  Cryptantha barbigera C. R. Annable 1995-3-10 2264 Riverside 1.6km S of Lake Cahuilla County Park Comment
  POM73173  Cryptantha barbigera Marcus E. Jones 1903-5-10 6847 Riverside Palm Spring. 61 Comment
  SEINET3083687 Image available Cryptantha barbigera Andrew C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16130 Riverside Sonoran (Colorado) Desert; mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point & I-10, Coachella Valley 329 Comment
  UC809722  Cryptantha barbigera Philip A. Munz 1949-4-13 13045 Riverside above Cottonwood Springs (w end Eagle Mts.); Colorado Desert, Eagle Mts. 1097 Comment
  UCR50382  Cryptantha barbigera F. R. Fosberg 1929-3-30 S- 00718 Riverside Western Colorado Desert/ San Jacinto Mtns, Palm Springs, Andreas Canyon Comment
  JOTR29362  Cryptantha circumscissa La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1439 Riverside Joshua Tree National Park. Long Canyon; Stop 1, south end of Long Canyon, near Park boundary 547 Comment
  UCR140302  Cryptantha corollata A. C. Sanders 2004-4-9 27455 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  JOTR33864  Cryptantha costata La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3050 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps interspersed w/ basalt outcrops 349 Comment
  JOTR33865  Cryptantha costata La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3057 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sandy fans leading to Pinto Wash 357 Comment
  UCR200397  Cryptantha dumetorum Tasha La Doux, Jim Andre 2008-3-21 149 Riverside Eastern Mojave Desert, Joshua Tree National Park, Lower Wilson Wash along NE side of paved road 853 Comment
  POM146228  Cryptantha intermedia F. M. Reed 1927-5-8 5310 Riverside Hills south of Perris Comment
  UC216104  Cryptantha intermedia Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UC78664  Cryptantha intermedia C. R. Orcutt Riverside Colorado Desert Comment
  UCR114821  Cryptantha intermedia Mitch Provance, Seychelle Provance 1998-2-17 91 Riverside Jurupa Mountains, Jensen Quarry; Sunnyside area on W side of Sierra Blvd, c. 0.2 miles NW of the corner of Scenic Dr. and 34th St. 348 Comment
  UCR152529  Cryptantha intermedia A. C. Sanders 2005-4-22 29596 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR25080  Cryptantha intermedia A. C. Sanders 1980-7-18 1637 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  JOTR35364  Cryptantha maritima Harding, Mitzi, M. Wheeler 2011-1-26 148 Riverside Joshua Tree National Park. West Coxcombs, north facing rocky slope (STOP3) 328 Comment
  OBI35028  Cryptantha maritima Sears 1978-3-18 926 Riverside 3 mi E of Corn Spring, 9 mi SE of Desert Center, T6S, R16E, sec 23 366 Comment
  POM287673  Cryptantha maritima Lyman Benson 1933-3-31 s.n. Riverside Salton Sea-Imperial Co. line. 61 Comment
  SEINET2042094 Image available Cryptantha maritima A. C. Sanders 2001-4-8 23987 Riverside (Desert Hot Springs Quad 7.5') Coachella Valley, Desert Hot Springs, N of intersection of Pierson Blvd. And Atlantic Ave, N of flood control ditch. 348 Comment
  UCR148458  Cryptantha maritima S. J. Myers 2005-2-1 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 9 miles (4 air line) east of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 21 Comment
  UCR89712  Cryptantha maritima J. M. Stewart 1993-3-10 684 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; Corn Springs Rd, 2 mi south of Chuckwalla Rd. Comment
  SEINET10456345  Cryptantha maritima David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3738 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  RSA703365  Cryptantha maritima var. pilosa LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1447 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  POM13001  Cryptantha micrantha var. lepida P. A. Munz, I. M. Johnston 1921-5-19 5421 Riverside Keen Camp, San Jacinto Mtns. 1524 Comment
  UCR110994  Cryptantha micrantha var. lepida George K. Helmkamp 1998-6-27 4113 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  UCR256085  Cryptantha micrantha var. lepida G. D. Wallace 2003-7-8 4028 Riverside Peninsular Range; San Jacinto Mountains, Hidden Lake 2652 Comment
  SDSU14021  Cryptantha micromeres Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2099 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  UCR77745  Cryptantha micromeres Steve Boyd 1991-5-20 6274 Riverside Santa Ana Mtns., NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary 671 Comment
  RSA561817  Cryptantha microstachys Steve Boyd 1992-4-14 6825 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
  RSA679821  Cryptantha microstachys LeRoy Gross, Valerie Soza 2003-5-8 828 Riverside San Jacinto Mountains region: North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  RSA711035  Cryptantha microstachys A. C. Sanders 2005-4-21 29569 Riverside Peninsular Range: Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak. 622 Comment
  UC1537682  Cryptantha microstachys Gordon H. True Jr. 1935-2-20 3 Riverside Box Springs Sycamore Canyon 365 Comment
  GMDRC6563  Cryptantha muricata var. jonesii J. M. Andre 2012-6-15 30518 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  RSA0078923  Cryptantha pterocarya var. pterocarya J. Mark Porter 2001-4-2 12332 Riverside Coachella Valley, along Big Morongo Wash, N of Indian Avenue, ca. 1.5 mi ESE jtn. with Hwy 62. 457 Comment
  RSA682851  Cryptantha utahensis Scott D. White 2003-3-23 8845 Riverside Santa Rosa Mountains: Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  UCR16097  Cryptantha utahensis Loretta Bates 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Box Canyon Road, 1 mi. north of Painted Canyon Road and 5 mi. north of Mecca. Comment
  UCR117331  Cucurbita foetidissima Mitch Provance 1998-6-11 661 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  SEINET3082991 Image available Cucurbita maxima A. C. Sanders 1987-9-27 7386 -A Riverside Cultivated in the vegetable garden at 422 Campus View Dr. Comment
  RSA0097133  Cuscuta californica Marc A. Baker, Michelle Cloud-Hughes 2015-6-23 18360 Riverside 2.5 km NNW of central Beaumont, 42 km ENE of central Riverside. 785 Comment
  POM97306  Cuscuta californica P. A. Munz 1925-5-20 9846 Riverside Aguanga Valley. Comment
  RSA0107428  Cuscuta denticulata Duncan S. Bell 2009-8-15 418 Riverside Northwest of the Arica Mountains. 300 Comment
  SD255710  Cuscuta salina D. E. Bramlet 2009-5-27 4389 Riverside Perris-Aguanga Basin Region: upper Salt Creek, west of Hemet Ryan Airport., ca. 450 m west of Warren Rd. and 990 m sotuy of Florida Ave., 490 m east of the San Diego canal. 455 Comment
  UC23252  Cuscuta subinclusa H. M. Hall 1901-8-6 Riverside s side San Jacinto Mountains 1356 Comment
  RSA662434  Cycloloma atriplicifolium J. C. Roos 1965-9-26 s.n. Riverside In Indio. Comment
  RSA0097557  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2015-3-25 18290 Riverside Chuckwalla Bench, 64 km WSW of Blythe, 3.3 km SSW of Augustine Pass. 670 Comment
  UCR10176  Cylindropuntia bigelovii Anonymous 1969-5-25 21 Riverside Southern Mojave Desert/Sonoran (Colorado) Desert, Joshua Tree Natl. Monument near road leading from Cottonwood Springs to Twenty-nine Palms, in the cholla garden of the Monument 1220 Comment
  UCR20826  Cylindropuntia echinocarpa Don Emery 1980-5-15 s.n. Riverside Sonoran (Western Colorado) Desert, Coachella Valley, Devers Hill, near the So. Cal. Edison substation 305 Comment
  UC718131  Cylindropuntia ganderi C. B. Wolf and P. C. Everett 1939-9-29 9456 Riverside on Palms-Pines Road 2 mi below Pinon Flat F.S. Camp (desert slope of mts.); San Jacinto Range, Deep Canyon 1066 Comment
  UC1931672  Cynanchum louiseae A. C. Sanders 1985-9-5 5951 Riverside UC Riverside Botanic Garden Comment
  POM1182  Cynodon dactylon I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. Comment
  RSA737420  Cyperus esculentus Justin M. Wood 2008-9-19 131 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  CHSC97910  Cyperus rotundus K. E. Hoffmaster 1958-7-1 Riverside Indio Comment
  UCR20923  Cyperus squarrosus A. C. Sanders 1978-7-3 0839 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  CDA9780  Dactyloctenium aegyptium D. Domenigoni, David Crowder 2007-9-17 PDR# 1360845 Riverside Buck Mesa, Temecula; North of Rancho California, east of Anza Rd. Comment
  POM28816  Dalea mollis Marcus E. Jones 1906-4-27 s.n Riverside Indio. Comment
  JEPS41649  Dalea mollissima H. M. Hall Apr. 1905 5792 Riverside Colorado Desert Comment
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Sep 11 2011
  RSA336192  Dalea mollissima R. F. Thorne, Walter Wisura, Avi Shmida, R. Whittaker 1978-4-23 52043 Riverside Just E of Palm Desert. Comment
  UCR74374  Dalea mollissima Theo Glenn 1991-4-30 91- 70 Riverside Sonoran (Colorado) Desert, McCoy Mtns, NW of Blythe 280 Comment
  POM48728  Datisca glomerata P. A. Munz, I. M. Johnston 1924-7-29 8833 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 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
  UCR244445  Datura discolor Jim Andre 2012-4-16 20899 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  UCR36992  Datura quercifolia A. C. Sanders 1984-10-18 5337 Riverside Riverside, residential garden of O.F. Clarke, 1012 Spruce Street 305 Comment
  UCR480  Datura wrightii Rodney Hendrick 1965-3-14 s.n. Riverside Sonoran (Colorado) Desert, About 3 mi east of Mecca on Box Canyon Road 0 Comment
  RSA562458  Daucus pusillus Steve Boyd, Timothy S. Ross 1992-5-5 7231 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail. 732 Comment
  RSA666895  Daucus pusillus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24197 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
  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
  SD181707  Deinandra fasciculata Scott D. White 2000-5-30 7972 Riverside 1.0 mile southeast of the I-15/El Cerrito Road junction adjacent to new housing construction. 334 Comment
  UC1519491  Deinandra fasciculata Robert Gustafson and Gary Wallace 1983-6-23 2720 Riverside along Clinton Keith Road ca 2 1/2 mi from its junction Hwy 15; Santa Ana Mts. Comment
  UC63254  Deinandra fasciculata H. M. Hall 1904-5-30 4966 Riverside vicinity Riverside; Highgrove 365 Comment
  CAS-BOT-BC294109  Deinandra kelloggii G. R. Ballmer 1992-6-23 92 -8 Riverside San Timoteo Canyon Road, .8 mi. E of junction with Redlands Blvd. Comment
  SD232612  Deinandra mohavensis Jeri Hirshberg 1995-9-13 Riverside San Jacinto Mountains: seeps and drainages at the edge of the road to Hungry Hollow from Hwy 243, ca. 0.75 mi. SSE of Poppet Flat Rd. jct. with /243, ca 1 mi. E of Poppet Flat. 1219 Comment
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Feb 4 2015
  RSA149642  Delphinium parishii Harlan Lewis, C. Epling 1941-5-7 s.n. Riverside 3 miles N of Cottonwood Spring, Joshua Tree Nat. Mon. Comment
  CAS-BOT-BC7981  Delphinium parishii subsp. parishii J. E. Cole 1942-5-10 951 Riverside Joshua Tree National Monument 1341 Comment
  JEPS5521  Delphinium parryi W. L. Jepson May 17 1901-Jun 1 1901 1429 Riverside Van Deventer's Ranch San Jacinto Mts. Comment
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Nov 9 2009
  RSA561019  Delphinium parryi Steve Boyd 1992-5-4 7191 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  OBI42535  Delphinium parryi subsp. parryi Robert F. Thorne, Walter Wisura, Earl Lathroop, and Sara Meury 1985-5-18 60668 Riverside Santa Rosa Plateau; edge of Cleveland Natl Forest 610 Comment
  UC854188  Delphinium parryi subsp. parryi L. Haines and L. Erickson 1937-4-9 Riverside field near Winchester Comment
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Mar 20 2011
  HSC86133  Delphinium patens subsp. montanum B. Freeman 1969-6-19 690619 Riverside James Reserve 1646 Comment
  HSC16738  Dendromecon rigida C. L. Hitchcock 1966-3-15 24160 Riverside 3 mi. E of Glen Ivy Hot Springs Comment
  RSA769032  Dendromecon rigida E. W. Lathrop 1973-6-28 7431 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  RSA311  Dendromecon rigida subsp. rigida J. T. Howell 1928-7-7 1035 Riverside Santa Ana Mts. above Glen Ivy. 610 Comment
  RSA593912  Deschampsia danthonioides Steve Boyd, Dave Bramlet 1996-4-19 8599 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UCR143105  Deschampsia danthonioides Steve Boyd, D. E. Bramlet 1996-4-19 8599 Riverside San Jacinto Valley, c. 2 air mi NE of Winchester and 0.5 mi west of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Ave., north of Stetson Ave, west of Metropolitan WAter District canal. 457 Comment
  CAS-BOT-BC43355  Descurainia pinnata subsp. glabra Fay A. Mac Fadden 1936-3-20 14482 Riverside Morengo [Moreno] Valley. Comment
  RSA180266  Dicentra chrysantha E. W. Lathrop 1965-4-4 5639 Riverside 8 miles west of Murrieta Comment
  RSA303887  Dicentra chrysantha James R. Shevock 1970-4-25 152 Riverside near Lake Elsinore 762 Comment
  RSA716261  Dichelostemma capitatum Scott D. White, Angelia Carey 2004-4-5 10000 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA367528  Dichelostemma capitatum subsp. pauciflorum N. C. Cooper 1944-4-8 1093 Riverside San Bernardino National Forest, San Jacinto Mountains: Andreas Canyon (near Palm Springs) 457 Comment
  CSUSB27  Dichelostemma pulchellum J. R. Sweeten 1965-4-21 Riverside About 1 mile southwest of Lake Matthews Dam; near roadside on steep slope; Riverside. Comment
  CDA4515  Dicoria canescens L. C. Cordill 1962-11-2 Riverside Northwest corner of Sunrise Way & McCallum Way, Palm Springs. 0 Comment
  RSA0112100  Dicoria canescens Duncan S. Bell 2009-8-15 434 Riverside East side of the Arica Mountains. 257 Comment
  CAS-BOT-BC434235  Diplacus fremontii Tracy Tennant; Mitch Provance 1998-6-16 MOR- 403 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Millard Canyon, north of Cabazon. 1052 Comment
  RSA0018435  Diplacus longiflorus var. calycinus N. C. Cooper 1944-7-15 1554 Riverside Idlewild [Idyllwild], San Jacinto Mountains. 1524 Comment
  UCR239907  Diplotaxis muralis O. F. Clarke 2004-3-27 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA500150  Distichlis spicata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3651 C Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  RSA697766  Distichlis spicata J. Russell Bruff 1927-10-8 1 -K Riverside Thousand Palms Comment
  UCD64340  Distichlis stricta A. A. Beetle 1942-4-22 3177 Riverside Beside Salton Sea. Comment
  JEPS2748 Image available Ditaxis claryana Marjorie Clary 1932-12-16 1707 Riverside 10 mi w Coachella (bajadas at base of Santa Rosa Mountains); Coachella Valley; Santa Rosa Mts., Coachella Valley, W of Coachella, Colorado Desert. Comment
  UCR211502  Ditaxis lanceolata Jim Andre, T. La Doux 2008-9-13 10270 Riverside Sonoran (Colorado) Desert, Eagle Mountains at Joshua Tree National Park boundary, along aqueduct access road 355 Comment
  RSA776941  Ditaxis lanceolata Amber Swanson 2011-3-19 234 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  SD109126  Ditaxis neomexicana Grady L. Webster, R. Hildreth 1966-12-9 7456 Riverside Joshua Tree National Monument, NW end of Pinto Basin, 2.8 miles NW of Cholla Gardens 790 Comment
  RSA426  Ditaxis serrata J. T. Howell 1927-8-1 528 Riverside Morongo Pass, Northern Colorado Desert 457 Comment
  NY43247  Dithyrea californica C. R. Annable 1995-3-16 2296 Riverside Ca. 13km NE of Desert Center, on Hwy 177 Comment
  RSA0029327  Dithyrea californica Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4684 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  RSA768412  Dithyrea californica J. Andre, T. La Doux 2009-2-25 10823 Riverside Palen Dry Lake: southeast margin of dry lake, approx. 6 miles north of I-10 freeway, about 15 miles east of Desert Center 129 Comment
  RSA781612  Dithyrea californica Duncan S. Bell 2011-12-30 3036 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  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
  UC1922395  Dithyrea californica Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1427 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  UC205844  Dithyrea californica S. B. Parish 1919-3-27 19192 Riverside Whitewater <?> Colorado Desert 304 Comment
  UCR241546  Dithyrea californica A. C. Sanders, Ann Howald 2013-2-27 40551 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  POM95408  Dithyrea californica Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  CAS-BOT-BC412632  Dodecahema leptoceras Steve Boyd 1986-4-19 1692 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road Comment
  SEINET7073337  Dodecatheon clevelandii A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  UCR25707  Dodecatheon clevelandii John C. Roos 1941-1-18 223 Riverside Plateau in Reche Canyon 610 Comment
  SDSU21800  Downingia cuspidata Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3980 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  UCR113630  Downingia cuspidata June Latting 1978-6-4 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado 640 Comment
  SEINET10702753  Downingia cuspidata Robert F. Thorne, Earl W. Lathrop 1969-6-6 Thorne 39314 a Riverside Rancho California, Mesa De Colorado. 625 Comment
  POM13286  Draba cuneifolia var. integrifolia E. C. Jaeger 1920-3-1 1057 Riverside Palm Springs Comment
  UC1618030  Drymocallis glandulosa var. reflexa Donald G. Nelson 1936-5-21 376 Riverside e of Lake Hemet (and n of Mount Thomas, just e of Hurkey Creek Camp area) Comment
  IRVC145  Dryopteris arguta Barbara Mawdsley 1965-4-24 HS 528 Riverside Highway 74; 1/4 mile SE of Keen Camp Summit. Peninsular Ranges, San Jacinto Mountains Comment
  RSA798604  Dryopteris arguta R. F. Thorne, E. W. Lathrop 1977-5-18 49758 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  SEINET3071477  Dudleya Marc A. Baker, Michelle Cloud-Hughes 2011-1 Riverside Comment
  RSA708016  Dudleya edulis Scott D. White, Jennifer H. Jones 2005-7-5 11151 Riverside Santa Ana Mountains: Rainbow Valley area, west of I-15 and just N of San Diego Co. boundary. 335 Comment
  SD137797  Dudleya lanceolata Darin L. Banks, Steve Boyd 1995-5-3 277 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area. 515 Comment
  HSC85282  Dudleya multicaulis Steve Boyd 1986-5-7 1823 Riverside Alberhill Mtn., lower slopes of S flank, just E of claymine area Comment
  UC69874  Dudleya multicaulis C. M. Wilder 1905-5-30 584 Riverside West Riverside Comment
  JOTR30636  Dudleya saxosa subsp. aloides La Doux, Tasha, Erin Babich 2008-4-21 1799 Riverside Joshua Tree National Park. Stop 3-Little San Bernardino Mountains, S of Covington Flat 1290 Comment
  RSA6659  Dudleya saxosa subsp. aloides B. D. Stark 1933-4-2 4536 Riverside Pinyon Flats, San Jacinto Mts. Upper Sonoran, (Palms) to Pine Road. 1220 Comment
  CAS-BOT-BC109625  Dudleya saxosa subsp. saxosa Reid Moran 1941-5-4 835 Riverside Hidden Valley, Joshua Tree National Monument. 1300 Comment
  SEINET8060974 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 12 Riverside Barstow SE quad. Barstow Rd. entry to BLM limited use land. N of saloon. West side of Rd. on low hill. Stoddard Valley. between power lines to the south, and double power lines to the north 900 Comment
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Jun 4 2016
  CLARK-A1528-55  Echinochloa crus-galli var. frumentacea Fred B. Essig 1966-9-12 Riverside Riverside Comment
  RSA575910  Eclipta prostrata Steve Boyd, Darin L. Banks 1994-9-29 8370 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  UCR167446  Eclipta prostrata 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
  UCR182095  Ehrharta longiflora Tom Chester 2005-4-20 581 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Margarita Ecological Reserve: Temecula Gorge, south side 239.3 Comment
  CAS-BOT-BC414249  Eichhornia crassipes R. E. Riefner, Jr. 2011-10-16 11 -145 Riverside City of Lake Elsinore, W of Hwy 74, S side of Temescal Wash, N side of Baker St., vicinity of Bromley Ave. at Baker St. 380 Comment
  UC838787  Eleocharis acicularis P. A. Munz 1922-7-7 6067 Riverside Tahquitz Valley San Jacinto Mts. 2225 Comment
  CAS-BOT-BC112742  Eleocharis geniculata H. M. Hall 1905-5-4 5984 Riverside Dos Palmas, 19 Comment
  RSA92089  Eleocharis geniculata F. W. Peirson 1924-12-30 5408 Riverside Thousand-Palms Canyon, Colorado Desert 122 Comment
  SD204751  Eleocharis macrostachya R. F. Thorne, E. W. Lathrop, et al. 1982-6-5 55212 Riverside Santa Ana Mountains region: Southwest of Murrieta. Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached from De Luz road. 579 Comment
  UC1563126  Eleocharis montevidensis Steve Boyd, Tim Ross, Laurel Arnseth 1989-5-7 3548 Riverside just S of Vail Lake (pond and freshwater marsh in Kolb Creek) Comment
  RSA544428  Eleocharis palustris Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6333 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  RSA92130  Eleocharis palustris F. W. Peirson 1922-4-29 1619 Riverside Temecula River, southwestern Riverside County 427 Comment
  UCR20922  Eleocharis parishii A. C. Sanders 1978-7-5 00694 Riverside San Jacinto Mountains, James Reserve, near head of Lake Fulmor at the mouth of Indian Creek 1616 Comment
  RSA746528  Eleusine coracana subsp. africana R. E. Riefner Jr. 2004-7-30 4 -280 Riverside City of Norco, north side of Sixth St. at Sierra Ave. 200 Comment
  RSA0050595  Elymus A. C. Sanders, Tim Thomas 2008-8-1 35939 Riverside Coldwater Creek near Mountain Center, SE of Keenwild Fire Station. In open disturbed area along road 5S02. 1402 Comment
  UCR201448  Elymus elymoides Scott D. White, Justin M. Wood 2008-6-5 12066 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  LA14813  Elymus glaucus H. S. Yates; 1937-6-27 6713 Riverside San Jacinto Mountains, near Idlewild (Idyllwild) 1676 Comment
  RSA674942  Elymus glaucus Scott D. White, Sandy Leatherman 2000-5-31 7979 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  UCR20448  Elymus glaucus E. W. Lathrop 1966-4-13 6172 Riverside Peninsular Range, 3 mi NW of Murrieta Comment
  POM12137  Elymus glaucus subsp. glaucus Mary F. Spencer 1919-6-30 1314 Riverside Near Idyllwild, San Jacinto Mountains. 1616 Comment
  SD137957  Elymus glaucus subsp. glaucus Darin L. Banks, Steve Boyd 1995-5-17 469 Riverside Northwest Palomar Mtns; Cleveland N.F., Agua Tibia Wilderness Area; North face Agua Tibia Mountain, East of the Dripping Springs Alcove area West of the Dripping Springs Trail, at the spring just inside the wilderness boundary in north-central Section 33 730 Comment
  UC37038  Elymus trachycaulus H. M. Hall 1901-7-1 2541 Riverside Fuller's Mill Mts. San Jacinto Mountains 1798 Comment
  SEINET260213  Elymus trachycaulus subsp. subsecundus M. Curto, L. Allen 1991-7-23 811 Riverside San Jacinto Wilderness ; Mt San Jacinto Tahquitz Valley 2415 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
  HSC13507  Emmenanthe penduliflora C. L. Hitchcock 1966-3-16 24183 Riverside 1/4 mi. W of Aguanga Comment
  RSA401453A  Emmenanthe penduliflora Christopher Davidson 1973-4-1 1785 Riverside St. Hwy 71/79, appx 7 miles E of jct with Hwy 395 south. 412 Comment
  UCSB5259  Emmenanthe penduliflora Koran, Jr., John 1958-5-18 Riverside 8.4 miles S. of Hemet Lake on Hwy. 74 Comment
  UCR215515  Emmenanthe penduliflora var. penduliflora Daphne K. Christopher, Hannah I. Stevens 2003-4-4 084 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  LA205856  Encelia actoni Harlan Lewis; 1937-6-4 sn Riverside San Jacinto 914 Comment
  RSA596770  Encelia actoni D. L. Banks, K. D. Hedge 1996-5-16 1032 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, E of the gate to the University of California-Emerson Oaks Reserve. 451 Comment
  UC1929885  Encelia actoni Scott D. White, Michael Honer 2003-5-13 9251 Riverside SAN BERNANDINO MOUNTAINS: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. (Whitewater) Comment
  UCR34968  Encelia actoni L. B. Ziegler 1964-9-2 026 Riverside San Jacinto Mountains, Pinyon Flats 1311 Comment
  POM9617  Encelia californica I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  CAS-BOT-BC293733  Encelia farinosa Mona Bourell 1987-4-14 3274 Riverside BLM California Conservation Area, Hwy 195, spur off of Box Canyon. Near Mecca 150 Comment
  HSC88234  Encelia farinosa Elizabeth Neese 1979-4-10 7061 Riverside Joshua Tree National Monument S of Twenty-nine Palms, between Pinto Basin Jct. and Cottonwood Wash. 305 Comment
  RSA678359  Encelia farinosa Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10494 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
  RSA784750  Encelia farinosa Duncan S. Bell 2012-2-12 3094 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR41336  Encelia farinosa N. M. Fellows 1985-3-16 101 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mile west of Snow Creek Village 489 Comment
  POM356693  Encelia farinosa var. farinosa Anstruther Davidson 1920-05 s.n. Riverside Temescal Comment
  POM356697  Encelia farinosa var. farinosa A. Menke 1955-4-25 s.n. Riverside Mouth of Tahquitz Canyon, Palm Springs. Comment
  POM6935  Encelia farinosa var. farinosa P. A. Munz, L. T. Street 1919-5-7 2721 Riverside Mouth of Tahquitz Canyon. Comment
  RSA38703  Encelia farinosa var. farinosa Percy C. Everett 1945-6-7 11507 Riverside Roadside on dry gentle slope in Franciscan sand stone, Santa Ana Mts, Indian Canyon, 0.5 miles above US Forest Service gate on Indian Canyon True. 457 Comment
  UC68862  Encelia frutescens H. M. Hall 1905-4-1 5939 Riverside McCoy Wash Colorado Desert, McCoy Wash 91 Comment
  CAS-BOT-BC81493  Ephedra aspera H. E. McMinn 1925-7-1 1475 Riverside Palm [Canon] Canyon Comment
  HSC82829  Ephedra aspera A. C. Sanders, D. Charlton, B. Pitzer 1986-3-3 6142 Riverside N foot of the Chuckwalla Mtns., 2.75 mi. SE of Desert Center 367 Comment
  SD229014  Ephedra aspera Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 898 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  RSA304959  Ephedra californica S. Carlquist 1982-4-18 15673 Riverside Sandy flats 16.4 miles north of entrance (from Highway 10) to Joshua Tree National Monument. Comment
  RSA796330  Ephedra californica Duncan S. Bell 2009-4-19 275 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  SEINET4898218  Ephedra californica Douglas Wood 1971-3-7 s.n. Riverside Palm Springs Desert Comment
  UC1929884  Ephedra californica Scott D. White, Michael Honer 2003-5-13 9235 Riverside SAN BERNARDINO MTNS: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. Open wash & alluvial benches. Comment
  SEINET11194631  Ephedra californica M. M. Whetzel, M. F. Barrus 1920-3-13 196 Riverside Colorado desert near Cabazon. Comment
  SEINET5869097 Image available Ephedra californica C. E. Jones, N. Rojas 2001-1 JSR 2 Riverside Whitewater Canyon Rd, 0.7 mi N of jct with Whitewater Cut-off from Interstate Hwy 10, E side of rd, in wash below small substation. Comment
  SEINET3867763  Ephedra trifurca Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 6477 Riverside Rice Valley, 30 miles south-southwest of Rice.; 0 244 Comment
  UC1280921  Ephedra viridis H. E. McMinn 1937-5-3 4490 Riverside approaching Cottonwood Mountain from Pinto Basin Comment
  CAS-BOT-BC171733  Epilobium canum subsp. latifolium H. E. McMinn 1925-7-2 1507 Riverside Tahquitz Peak Trail from Idyllwild, San Jacinto Mts. Comment
  CAS-BOT-BC171740  Epilobium canum subsp. latifolium S. B. Parish 1916-5-13 10859 Riverside Cottonwood Spr., Colorado Desert 792 Comment
  RSA740927  Epilobium densiflorum Scott D. White, Justin M. Wood 2008-7-9 12427 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
Read comments
Sep 27 2009
  RSA575856  Epilobium pygmaeum Steve Boyd, A. C. Sanders 1980-5-19 s.n. Riverside San Jacinto Valley, along the Ramona Expressway. near Lakeview Hotsprings. Comment
  RSA92723  Epilobium pygmaeum J. C. Roos 1952-5-14 5662 Riverside Edgemont, near Box Springs. 488 Comment
  UC218658  Equisetum laevigatum P. A. Munz 1922-6-27 5837 Riverside Santa Rosa; Santa Rosa Mts. 1981 Comment
  CAS-BOT-BC204486  Eragrostis cilianensis J. C. Roos 1965-7-7 s.n. Riverside San Jacinto Comment
  CLARK-A1528-60  Eragrostis diffusa Fred B. Essig 1966-9-6 Riverside Riverside Comment
  CLARK-A1528-4613  Eragrostis mexicana John C. Roos 1965-7-7 Riverside San Jacinto Comment
  RSA737430  Eragrostis mexicana subsp. virescens Justin M. Wood 2008-8-31 126 Riverside Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  RSA748373  Eremalche exilis Justin M. Wood 2009-3-26 407 Riverside [Coachella Valley:] Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  UCR244444  Eremalche exilis Jim Andre 2012-4-16 20935 Riverside Southern Mojave Desert, Joshua Tree National Park; along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mtns, 6.7 mi. south of (paved) National Park Loop Rd. 990 Comment
  POM14107  Eremalche rotundifolia P. A. Munz, D. D. Keck 1922-4-9 4874 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  UCR279382  Eremothera boothii A. C. Sanders, Jim Malusa 2017-3-24 42968 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  JOTR37426  Eremothera refracta La Doux, Tasha 2016-3-9 3661 Riverside Above Hayfield Dry Lake - Stop 2 516 Comment
  SBBG4930  Eremothera refracta K. K. Muller 1958-3-22 913 Riverside Orocopia Mtns across Hwy 70 from S entrance to Joshua Tree Nat Monument Comment
  UC874145  Eremothera refracta C. L. Hitchcock 1940-4-1 5898 Riverside 1 mi below Cottonwood Spgs.; Joshua Tree Nat. Monument Comment
  SBBG55252  Eriastrum densifolium T. Criswell 1977-5-1 48 Riverside E side of Hwy 74 about 13 mi S of its jct with Hwy 111 304 Comment
  RSA0105499  Eriastrum densifolium subsp. austromontanum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UCR113547  Eriastrum densifolium subsp. elongatum Mitch Provance 1998-6-6 686 B Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  RSA0110543  Eriastrum densifolium subsp. elongatum N. C. Cooper 1944-7-15 1579 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  RSA0110548  Eriastrum densifolium subsp. elongatum N. C. Cooper 1944-7-15 1579 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  RSA0119710  Eriastrum diffusum subsp. coachellae Charlotte M. Wilder 1907-4-9 709 Riverside Below junction of washes from Palm and Murray canyons. Comment
  SD128331  Eriastrum eremicum subsp. eremicum R. Mitchel Beauchamp 1971-5-16 2427 Riverside Ribbonwood, north side of Santa Rosa Mountains. 1175 Comment
  CAS-BOT-BC514458  Eriastrum eremicum subsp. eremicum L. R. Abrams 1926-3-26 11010 Riverside Palm Springs Comment
  CAS-BOT-BC514460  Eriastrum eremicum subsp. eremicum Carl B. Wolf 1932-5-25 3678 Riverside North base of San Jacinto Mts.: Snow Creek Canyon, 1 mi below fish hatchery 396 Comment
  CAS-BOT-BC514473  Eriastrum eremicum subsp. eremicum Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  RSA0120099  Eriastrum eremicum subsp. eremicum M. French Gilman 1928-05 s.n. Riverside Coachella Valley(?). Comment
  RSA0120102  Eriastrum eremicum subsp. eremicum Verne Grant, Alva Grant 1953-5-15 18460 Riverside Open desert plains, near Palm Srpings Rwy Station 122 Comment
  RSA0120744  Eriastrum harwoodii E. C. Jaeger 1939-5-4 s.n. Riverside Pinon Alta Flats, Santa Rosa Mts. 1585 Comment
  RSA0121570  Eriastrum sapphirinum subsp. dasyanthum N. C. Cooper 1944-7-15 1578 Riverside Banning. 701 Comment
  RSA0122043  Eriastrum sapphirinum subsp. dasyanthum Charlotte M. Wilder 1904-6-4 s.n. Riverside Wilder's Canyon. Comment
  RSA0122975  Eriastrum sapphirinum subsp. sapphirinum Mary F. Spencer 1921-7-14 s.n. Riverside Idyllwild, San Jacinto Mounatins. 1616 Comment
  UC1118700  Ericameria cooperi var. cooperi R. St. John and A. E. Wieslander 1929-1-25 6 Riverside mouth of Bautista Creek San Jacinto Quadrangle, Bautista Creek (near Plot 8) Comment
  CAS-BOT-BC292798  Ericameria cuneata var. cuneata Nancy Ryan Zabriskie; Jan Grom Zabriskie 1972-10-21 543 Riverside SE of S end Marion Ridge Road, Pine Cove, SW drainage San Jacinto Mts. 1920 Comment
  UCSB38737  Ericameria linearifolia Cowan, Clark 1978-4-23 Riverside Bighorn sheep overlook 14.5 mi (23.2 km) S on hwy 74 from jct. w/ Hwy 111 at Indian Wells; Santa Rosa Mts., San Berndo. Nat. For. Comment
  UCR140740  Ericameria palmeri var. pachylepis A. C. Sanders 2004-5-11 27853 Riverside Elsinore Basin Region, Alberhill Mountain, lower south-facing slopes southeast of the clay mining area 450 Comment
  POM18175  Ericameria pinifolia M. French Gilman 1932-11-30 14 Riverside Banning Water Canyon. Comment
  JOTR16591  Erigeron breweri var. covillei Baker, James K. & Baker, Ilisa T. 1976-2-7 6 /17/1966 Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  SDSU13672  Erigeron canadensis W. Miller with C. Mosse 1972-8-9 Riverside Comment
  POM80096  Erigeron foliosus Marcus E. Jones 1924-8-20 s.n. Riverside Idyllwild. Comment
  POM357437  Erigeron foliosus var. foliosus Elbert Benjamine 1929-5-18 230 Riverside Mt. San Jacinto. Comment
  UC31477  Erigeron foliosus var. foliosus W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1275 Riverside Canyon of San Jacinto River Comment
  UC63040  Erigeron foliosus var. foliosus H. M. Hall 1901-6-1 2055 Riverside vicinity Chalk Hill; Southern California, San Jacinto Mountains 1524 Comment
  UCR103921  Eriodictyon crassifolium B. G. Pitzer 1997-4-12 3128 Riverside Lakeview Mtns, Pulsar View Road, c. 3/4-1 mi. by road uphill from the base of the hills at the end of Warren Road (very short dirt road); c. 1 mi. airline NE of Juniper Flats Road. Approx. 0.9 mi. airline SW of Mt. Rudolph (measured from BM 'Nelson'). 610 Comment
  UCR120803  Eriodictyon crassifolium Ian G. Gillespie, Summer Karsh 2000-5-13 41 Riverside San Jacinto Mtns., c. 200 m up Mt. Edna Road off of Hwy 243 on the northern side of the mountains. 1159 Comment
  CAS-BOT-BC189127  Eriodictyon crassifolium var. crassifolium Marian L. Campbell 1921-3-19 73 Riverside Palm Springs Comment
  UC73690  Eriodictyon crassifolium var. crassifolium Miss M. A. King 1893-1 Riverside Menifee Comment
  CLARK-A1528-545  Eriodictyon trichocalyx C. M. Flanagan 1973-5-31 OO 616 Riverside Morongo Indian Reservation 975 Comment
  UCR193731  Eriogonum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35649 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  JOTR29269  Eriogonum angulosum La Doux, Tasha 2005-8-17 1539 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Barker Dam; near Wall Street Mill parking lot along trail heading toward Wonderland Wash 1319 Comment
  SD1298  Eriogonum apiculatum Florence Youngberg 1933-8-26 Riverside Idyllwild, San Jacinto Mts. Comment
  CAS-BOT-BC242791  Eriogonum davidsonii Susan G. Stokes 1933-7-1 106 Riverside Near Idyllwild, San Jacinto Mts. Comment
  JOTR29159  Eriogonum davidsonii La Doux, Tasha, K. Knudsen, J. Galvin 2005-8-22 1235 Riverside Joshua Tree National Park. Key's view Comment
  SD22474  Eriogonum davidsonii Susan G. Stokes 1933-7-1 Riverside Roadside near Idyllwild 1524 Comment
  UC6303  Eriogonum davidsonii H. M. Hall July, 1901 2624 Riverside vicinity of Strawberry Valley; San Jacinto Mountains 1584 Comment
  UCR175171  Eriogonum davidsonii Jim Andre 2006-4-26 6770 Riverside South Mojave Desert, Joshua Tree National Park: west of upper Long Canyon, c. 5 mi south of the radio tower and NE corner (boundary) of the park 1325 Comment
  UCR224178  Eriogonum deflexum Justin M. Wood, Dustin M. Ray 2010-10-21 2990 Riverside Colorado (Sonoran) Desert, Chuckwalla Valley northwest of Victory Pass on east side of Kaiser Road c. 1 mi north of Desert Center Landfill at proposed Eagle Mountain Solar Site 205 Comment
  UCR3379  Eriogonum deflexum John Minnich 1964-3-22 64-3-22- 12 Riverside Sonoran (Colorado) Desert, Mouth of Box Canyon, on State Hwy 195, E side of dam formed by Painted Canyon turnoff. 0 Comment
  RSA393273  Eriogonum deflexum var. deflexum M. B. Dunkle 1933-3-4 3038 Riverside Painted Canyon, Colorado Desert. 30 Comment
  SBBG61997  Eriogonum deserticola R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  UCR125220  Eriogonum fasciculatum Mitch Provance 1998-5-24 532 C Riverside Jurupa Mtns., Belltown area, 'Belltown Hill', small knoll near the E corner of Agua Mansa Rd. and Crestmore Rd./ Market St. 299 Comment
  JOTR32459  Eriogonum fasciculatum var. flavoviride La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2605 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail; Pine-oak woodland among granitic boulder outcrops and narrow drainage system (Stop 3) 1295 Comment
  RSA392663  Eriogonum fasciculatum var. flavoviride Jack Rempel, Erwin Miller 1934-4-28 s.n. Riverside Lost Horse 1296 Comment
  UCSB11587  Eriogonum fasciculatum var. foliolosum Trimble, F. 1962-5-19 Riverside Two miles north of Lake Mathews 533 Comment
  CAS-BOT-BC167187  Eriogonum fasciculatum var. polifolium Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9005 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mi NE of Black Hills 854 Comment
  RSA34559  Eriogonum fasciculatum var. polifolium N. C. Cooper 1944-6-17 1411 Riverside Banning. 701 Comment
  UC1463086  Eriogonum fasciculatum var. polifolium Arthur S. Barclay and Juan Arguelles 1965-3-22 1870 Riverside 10 mi se, along State Highway 74 State Highway 111 914 Comment
  UC849424  Eriogonum fasciculatum var. polifolium I. Johnston 1917-6-5 1240 Riverside hills s Arlington 365 Comment
  CAS-BOT-BC253495  Eriogonum gracile James L. Reveal; Caroline G. Reveal 1972-8-9 2856 Riverside Along California Highway 243, 4 miles north of the road junction with Highway 74, 0.5 mile south of the center of Idyllwild, San Jacinto Mountains Comment
  CLARK-A1528-739  Eriogonum gracile Charlotte Stocks 1964-8-24 Riverside San Jacinto Mountains 1066 Comment
  UCR242658  Eriogonum gracile A. C. Sanders 2013-7-7 40859 Riverside Peninsular Range; San Jacinto Mountains, near central Idyllwild, west side of Hwy 243 at road junction to Astrocamp (Saunders Meadow Rd.) and 0.15 km NE of Tollgate Rd. junction 1596 Comment
  RSA0060581  Eriogonum gracile John C. Roos 1952-8-27 5888 Riverside Pigeon Pass, Box Springs Mts. 457 Comment
  RSA487225  Eriogonum gracile var. incultum James L. Reveal, C. Rose Broome 1987-6-27 6614 Riverside San Jacinto Mountains, along Morris Ranch Road, 1.9 mile northeast of California Hwy 74 and about 1.5 mile northeast of Kenworthy Guard Station, about 8 airline miles southeast of Mountain Center. 1585 Comment
  UCR165285  Eriogonum inflatum John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UC85855  Eriogonum inflatum var. deflatum Mrs. E. C. Thurber 1896-3-21 Riverside Palm Springs Comment
  UC1018185  Eriogonum inflatum var. inflatum J. Warren 1952-4-6 Riverside Palm Springs 457 Comment
Read comments
Apr 20 2013
  RSA393694  Eriogonum molestum N. C. Cooper 1944-7-15 1596 Riverside Palms to Pines Highway, San Jacinto Mountains. 1372 Comment
  RSA393695  Eriogonum molestum N. C. Cooper 1944-7-16 1610 Riverside At trailside. San Jacinto Mt. above Pine Cove 2073 Comment
  UCR118185  Eriogonum molestum George K. Helmkamp, E. A. Helmkamp 1998-6-27 4073 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  UCR242665  Eriogonum nudum subsp. pauciflorum A. C. Sanders 2013-7-6 40853 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at junction with small side road 1905 Comment
  POM48879  Eriogonum nudum var. pauciflorum P. A. Munz, I. M. Johnston 1924-7-27 8736 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  UC217840  Eriogonum nudum var. pauciflorum P. A. Munz 5989 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley 2225 Comment
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Sep 8 2011
  UC454350  Eriogonum nudum var. pauciflorum I. J. Condit 1910-6-23 Riverside San Jacinto Mt. 2743 Comment
  CAS-BOT-BC266940  Eriogonum parishii P. A. Munz; E. K. Balls 1952-8-21 17983 Riverside Road, Vandeventer Flat to Santa Rosa Peak 2072 Comment
  CLARK-A1528-3693  Eriogonum plumatella John C. Roos 1942-10-24 2573 Riverside Joshua Tree National Park Comment
  UC185100  Eriogonum reniforme S. B. and W. F. Parish Apr 1882 Riverside Agua Caliente Comment
  CLARK-A1528-749  Eriogonum thomasii Charlotte Stocks 1966-6-15 Riverside Coachella Valley Comment
  PASA1496  Eriogonum thomasii 1926-2-21 Riverside Thousand Palms Comment
  SBBG1631  Eriogonum thomasii H. and M. Dearing 1942-4-8 4871 Riverside Riverside Mtns, 35 mi N of Blythe Comment
  SBBG92801  Eriogonum thomasii D. Charlton 1988-2-18 1143 Riverside Fargo Cyn Rd to Cottonwood Wash, parallel to Interstate 10, ca. 1 mi E of jct of Dillon Rd and Fargo Cyn Rd 609 Comment
  UC1080450  Eriogonum thomasii P. C. Everett and E. K. Balls 1958-4-29 22960 Riverside U.S.Hwy 60/70 (Indio to Blythe) 5 mi e U.S. Hwy. 99 121 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
  UCR87119  Eriogonum thomasii A. C. Sanders, P. J. MacKay, G. K. Helmkamp 1995-3-12 16034 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  CAS-BOT-BC262873  Eriogonum thurberi S. B. Parish 1896-4-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  UC849304  Eriogonum thurberi Lewis S. Rose 1937-4-9 37101 Riverside Palm Springs 137 Comment
  RSA775721  Eriogonum trichopes Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 956 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  UCR114942  Eriogonum umbellatum var. munzii G. R. Ballmer, Kay Stockwell 1995-6-25 s.n. Riverside San Jacinto Mtns, Pacific Crest Trail, near Pyramid Peak [c. 3 km (airline) SSE of Palm View Pk.--A. C. Sanders] 2134 Comment
  CLARK-A1528-3727  Eriogonum wrightii subsp. membranaceum John C. Roos 1943-7-31 2705 Riverside San Jacinto Mountains Comment
  RSA297402  Eriogonum wrightii var. nodosum Larry E. DeBuhr 1977-5-6 2587 Riverside Whitewater Canyon, ca. 4.5 miles N from I-10. Comment
  CAS-BOT-BC261931  Eriogonum wrightii var. subscaposum J. Ewan 1930-8-31 2133 Riverside North rim Tahquitz Valley, San Jacinto Mts. 2651 Comment
  IRVC29077  Eriophyllum confertiflorum June Latting 1979-5-4 s.n. Riverside Harford Springs County Park Gavilan Hills 610 Comment
  POM357953  Eriophyllum confertiflorum George R. Johnston 1930-6-13 s.n. Riverside Indio Canyon, Ravenna. 1067 Comment
Read comments
Nov 8 2011
  POM357971  Eriophyllum confertiflorum Norman C. Cooper 1944-4-22 1123 Riverside Banning 701 Comment
  UCR165851  Eriophyllum confertiflorum T. B. Salvato, John F. Green 2004-5-27 635 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
  UCSB6520  Eriophyllum confertiflorum Kamb, Peter 1947-6-7 Riverside Arid Transition Zone; Hall Canyon, San Jacinto Mts. 1645 Comment
  UC917903  Eriophyllum confertiflorum var. confertiflorum Frank W. Gould 1943-4-18 2150 Riverside 1 mi w Banning (in the foothills of the San Jacinto Mountains); San Jacinto Mountains Comment
  UCR279389  Eriophyllum lanosum A. C. Sanders, Jim Malusa 2017-3-24 42978 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 735 Comment
  RSA673543  Eriophyllum multicaule Scott D. White, Tasha La Doux 2000-4-20 7672 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  UCR20783  Eriophyllum multicaule A. C. Sanders, Steve Boyd 1980-5-2 1408 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR90749  Eriophyllum multicaule Scott D. White 1995-4-5 2739 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  JOTR32134  Eriophyllum wallacei La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2290 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  UCR244439  Eriophyllum wallacei Jim Andre 2012-4-16 20940 Riverside Southern Mojave Desert, Joshua Tree National Park; along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mtns, 6.7 mi. south of (paved) National Park Loop Rd. 990 Comment
  SDSU7341  Erodium cicutarium S. J. Barnhart 1966-4-1 660417 -13 Riverside South-west facing slope of small hill 0.1 miles east of McAllister Street along the Metropolitan Water Co. utility road (dirt), which is 1.5 miles south-east of the intersection of Mc Allister Street and Victoria Avenue. 457 Comment
  UCR126379  Erodium cicutarium A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 688 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR174066  Erodium moschatum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32619 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
  RSA191434  Eryngium aristulatum var. parishii E. W. Lathrop, Robert F. Thorne 1967-9-26 6662 Riverside 4 mi. NW of Murrieta 609 Comment
  SDSU2406  Erysimum capitatum M. De Lisle 1962-7-28 20 Riverside Black Mtn, campgrounds Forest floor, Montane forest. 2347 Comment
  RSA5218  Erysimum capitatum var. capitatum C. B. Wolf 1932-8-4 3910 Riverside Near Point View, near Idyllwild. San Jacinto Mtns. 1646 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
  JOTR32897  Eschscholzia La Doux, Tasha 2008-2-4 2940 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  UCD96465  Eschscholzia androuxii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-15 258 A Riverside California. Riverside County: Joshua Tree National Park. 610 Comment
  RSA0022931  Eschscholzia androuxii F. W. Peirson 1926-2-22 s.n. Riverside Thousand Palm canyon, near Indio. Comment
  RSA0022971  Eschscholzia androuxii Percy C. Everett, E. K. Balls 1958-5-7 23114 Riverside S end Joshua Tree National Monument 1067 Comment
  UCR274075  Eschscholzia californica T. B. Salvato, Gregg Miller 2005-6-7 1432 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  PASA453  Eschscholzia glyptosperma Riverside Painted Canyon Comment
  POM13034  Eschscholzia minutiflora P. A. Munz 1922-4-13 4935 Riverside Eagle Mts, Colorado Desert. 213 Comment
  UCD95447  Eschscholzia papastillii William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  CAS-BOT-BC419608  Eschscholzia parishii L. A. Greata 1905-4-1 424 Riverside Coachella Comment
  CAS-BOT-BC419641  Eschscholzia parishii R. H. Peebles; H. F. Loomis 1930-4-6 188 Riverside Near Shaver's Well Comment
  JOTR31770  Eschscholzia parishii Andre, Jim, Tasha La Doux 2009-3-10 11234 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  POM8074  Eschscholzia parishii Mary F. Spencer 1920-3-13 1608 Riverside Mecca -60 Comment
  SBBG87809  Eschscholzia parishii A. C. Sanders, D. Charlton, B. Pitzer, Stewart 1986-3-2 6061 Riverside Graham Pass, between the Chuckwalla and Little Chuckwalla Mtns 502 Comment
  UC855175  Eschscholzia parishii I. W. Clokey 1935-4-17 6628 Riverside Cottonwood Springs Comment
  UC855187  Eschscholzia parishii Alice Eastwood 1913-4-30 3080 Riverside Palm Springs Palm Canyon Comment
  UCR167412  Eschscholzia parishii 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
  UCSB3662  Eschscholzia parishii Haller, John 1958-3-22 Riverside immediately S of Hwys 60-70; 5.8 miles E. of Desert Center Comment
  RSA0041735  Eschscholzia rutifolia Sarah J. De Groot, April Garbat 2013-4-9 6997 Riverside Chuckwalla Mountains: Along Graham Pass Road, 5.6 miles south of junction with Chuckwalla Spring road, ~10.5 miles south of powerline, 11.4 miles south of Chuckwalla Valley Road. Up wash along road and up side drainage to west. 462 Comment
  SD152810  Eucalyptus camaldulensis Steve Boyd, Tim Ross 1992-2-21 6671 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south. 701 Comment
  SDSU18371  Eucrypta chrysanthemifolia var. chrysanthemifolia C. Matt Guilliams, Jeannine Ross 2008-3-12 530 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. 428 Comment
  JOTR35074  Eucrypta micrantha La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3526 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  RSA425013  Eucrypta micrantha J. C. Roos 1966-3-26 s.n. Riverside 2 miles SE of Desert Center. Comment
  UC874212  Eulobus californicus I. W. Clokey and B. C. Templeton 1930-4-9 4714 Riverside n Palm Springs; Colorado Desert 180 Comment
  LA104420  Euonymus occidentalis var. parishii Robert F. Thorne; 1969-10-25 41851 Riverside San Jacinto Mountains, James Reserve Comment
  CAS-BOT-BC202528  Euphorbia John H. Thomas 1957-3-30 6536 Riverside 0.8 miles east of Cactus City, about 13 miles east of Coachella, near U. S. Highways 60 and 70. Colorado Desert 518 Comment
  JOTR38518  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
  UCR16189  Euphorbia albomarginata John M. Spencer 1971-4-16 16 Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument [now Park], 1 mi. north of Cottonwood Spring campground & Ranger Station [via Pinto Basin Rd.] 956 Comment
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Apr 5 2011
  CLARK-A1656-661  Euphorbia eriantha Lois Ann Scott 1978-4-8 Riverside Palm Desert 182 Comment
  RSA286540  Euphorbia eriantha John F. Emmel 1979-3-12 622 Riverside Big Maria Mtns.; near SW base of Black Hill, near SW base of the mtns. 267 Comment
  CLARK-A1528-2705  Euphorbia polycarpa John C. Roos 1965-6-23 Riverside Cactus City Comment
  SDSU17677  Euphorbia polycarpa Jerry Jenkins 2001-4-3 2001 -039 Riverside Santa Margarita Ecological Reserve. Road to mine, UTM zone 6, 482900E, 3699600N. Comment
  RSA296137  Euphorbia polycarpa var. hirtella B. A. Prigge 1980-8-5 3879 Riverside Whitewater canyon: 1.1 miles N of Interstate 10. 473 Comment
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Jan 14 2010
  UCR41267  Euphorbia prostrata A. C. Sanders 1982-6-12 2714 Riverside Riverside, residential garden, 422 Campus View Drive 335 Comment
  UCR252231  Euphorbia serpillifolia Marissa Manahan 2011-5-13 s.n. Riverside Riverside, Andulka Park, Tequesquite Arroyo at Chicago Ave. 277 Comment
  UCR163869  Euphorbia setiloba B. G. Pitzer 2000-11-4 4244 Riverside Sonoran (Colorado) Desert, north side of the Chuckwalla Mtns., Eagle Mountain Rd. 0.8 mi. south of Hwy I-10 at and around powerline road, c. 3.5 mi. WSW of Desert Center 402 Comment
  RSA392122  Eustoma exaltatum Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  RSA737217  Eustoma exaltatum Justin M. Wood 2008-9-30 173 Riverside Southwest Perris Basin: Temecula - Murrieta Creek, downstream of first street bridge. 293 Comment
  SD187366  Euthamia occidentalis Scott D. White, Angelia Carey 2004-9-16 10758 Riverside Indian Creek watershed, above confluence with San Jacinto river. 579 Comment
  CAS-BOT-BC177595  Fagonia laevis Sarah J. De Groot; Leland Lubinsky; Naomi Fraga; Lisa Rojas 2005-2-10 4620 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains 402 Comment
  JOTR30626  Fagonia laevis Andre, Jim, Tasha La Doux 2008-3-21 8842 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 Comment
  SBBG3962  Fagonia laevis H. and M. Dearing 1937-4-10 967 Riverside near Hayfield Comment
  SBBG3963  Fagonia laevis H. and M. Dearing 1936-12-25 966 Riverside 10 mi N of Indio on Aqueduct Rd [Long Cyn] Comment
  UCR85246  Fagonia laevis A. C. Sanders, P. J. MacKay, M. Jacobsmeyer, et al. 1995-3-5 15985 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  CAS-BOT-BC59767  Ferocactus cylindraceus L. R. Abrams 1926-3-26 11209 Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA303553  Ferocactus cylindraceus J. R. Shevock 1972-3-5 1370 Riverside Jeep Road, Anza to Borrego Springs. 305 Comment
  RSA439060  Ferocactus cylindraceus Ora M. Clark 1929-3-17 1759 Riverside S. Palm Springs. Comment
  CLARK-A1528-4652  Festuca grayi John C. Roos 1952-4-9 5482 Riverside Fairmount Park 259 Comment
  UCR225588  Festuca microstachys A. C. Sanders, T. B. Salvato 2011-3-29 38868 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
  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
  UCR144079  Festuca myuros Scott D. White 1993-3-3 1103 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  UCR202438  Festuca myuros 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
  UCR42391  Festuca myuros D. C. Hawks 1986-4-16 s.n. Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, Alta Mesa wind turbine field, on the ridge above Whitewater Canyon, west of Bonnie Bell 915 Comment
  UCR241685  Festuca octoflora T. B. Salvato 2013-3-22 7407 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  UCR133971  Filago californica Mitch Provance, J. S. Ross 1998-3-27 MOR- 944 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon, c. 1.2 miles NE of the town of Cabazon 579 Comment
  UCR156089  Filago californica T. B. Salvato, Kent Beaman 2005-5-16 797 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
  UCR258870  Filago californica T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7907 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  RSA796320  Filago depressa Duncan S. Bell 2009-4-18 197 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  UC1123328  Forestiera pubescens A. E. Wieslander 1938-5-5 734 Riverside Vandeventer Flat; Thermal Quad. 1493 Comment
  CAS-BOT-BC454536  Fragaria vesca subsp. californica Tom Paradise 1993-5-22 18 Riverside James San Jacinto Mountains Reserve. 1/2 mile East of Highway 243, near Lake Fulmor Comment
  RSA623949  Frankenia grandifolia var. campestris Arthur R. Kruckeberg 1940-12-7 4778 Riverside Cajulco Canon, near Elsinore Comment
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Mar 9 2013
  SEINET10783477  Fraxinus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12855 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  UCR35206  Fraxinus dipetala L. B. Ziegler 1969-5-20 364 Riverside San Jacinto Mtns, Bautista Canyon, upper canyon 1143 Comment
  SEINET10580661  Funastrum hartwegii Philip A. Munz 1932-4-24 Munz 12397 Riverside Snow Creek Canyon, San Jacinto Mts. 457 Comment
  JOTR34040  Funastrum hirtellum La Doux, Tasha, M. Harding 2010-4-7 2923 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  RSA717623  Funastrum hirtellum Scott D. White, Andrea Warniment Edwards 2006-3-29 11276 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  SEINET188336  Funastrum hirtellum C. L. Hitchcock 1940-3-31 5886 Riverside Sandy desert. Between Cottonwood Spring and Pinto Basin. Comment
  UCR122534  Galium andrewsii subsp. andrewsii George K. Helmkamp, E. A. Helmkamp 2001-5-20 6678 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  UCR242664  Galium angustifolium A. C. Sanders 2013-7-6 40855 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at junction with small side road 1905 Comment
  JEPS56034  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Clare Hardham 1965-6-18 4135 Riverside on Route R1 s Idyllwild; Keenwild Station Comment
  JEPS56035  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1967-3-19 4331 Riverside e-facing slope s Temecula (just n of county line) Comment
  RSA755  Galium angustifolium subsp. angustifolium J. T. Howell 1928-7-7 1037 Riverside Santa Ana Mts. above Glen Ivy. 610 Comment
  RSA682188  Galium angustifolium subsp. jacinticum LeRoy Gross, Firoozeh Navidara, Valerie Soza 2003-6-23 1113 Riverside Black Moutain Road (4501), southeast of Black Moutain and northwest of Fuller Mill Creek. 2043 Comment
  UC1929480  Galium angustifolium subsp. jacinticum Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1705 Riverside Peninsular Ranges; San Jacinto Mountains region; Slope above junction of Dark Canyon and Fuller Mill Creek. Comment
  UC1536780  Galium aparine G. H. True 1935-4-1 196 Riverside along steep bank of creek Box Springs 365 Comment
  UC64374  Galium aparine H. M. Hall June 1901 2091 Riverside south side San Jacinto Mountains 1524 Comment
  UCR133387  Galium aparine Tracy Tennant, T. B. Salvato 1998-6-23 488 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  UCR174262  Galium aparine A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32673 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., near stream crossing of dirt road 549 Comment
  UCR147554  Galium californicum subsp. primum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1285 Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  RSA36548  Galium hilendiae subsp. hilendiae Sara M. Schenck 1941-5-30 s.n. Riverside Quail Mt. Joshua Tree National Monument. 1585 Comment
  JOTR33778  Galium multiflorum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2930 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (stop 3) Comment
  UC1562808  Galium parishii Barbara Ertter with Ken Berg, Roxanne Bittman, and Tim Krantz 1987-9-6 7431 Riverside head of Andreas Canyon San Jacinto Mts., Red Tahquitz Peak (n side of peak, w edge of barren bowl of decomposed granite nw of steep ridge) 2438 Comment
  UCR262238  Galium porrigens T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3717 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
  RSA0042107  Galium stellatum Duncan S. Bell, Deidre Conocchioli 2014-3-11 6228 Riverside Santa Rosa Mountains; Devil's Canyon, northeast of Martinez Mountain. 207 Comment
  RSA336049  Galium stellatum Robert F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52036 Riverside Chino Canyon. Comment
  SBBG7318  Galium stellatum H. and M. Dearing 1942-3-12 4830 Riverside Dos Palmas Cyn, near Palms to Pines Hwy 426 Comment
  POM99011  Galium stellatum E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains. Comment
  CLARK-A1528-535  Garrya elliptica I. Rauch 1968-2-15 15 Riverside Santa Ana Mountains Comment
  RSA296127  Garrya flavescens var. pallida Barry A. Prigge 1980-8-11 3913 Riverside Whitewash Canyon: 3 miles N of the trout farm. 957 Comment
  UC729820  Gayophytum heterozygum Carl B. Wolf 1932-8-4 3912 Riverside near Idyllwild; San Jacinto Mts., Point View 1645 Comment
  CAS-BOT-BC332706  Geraea Elizabeth McClintock 1964-4-8 s.n. Riverside Desert flat E of Indio Comment
  UC665889  Geraea canescens Ira L. Wiggins 1941-3-24 9570 Riverside sand dunes 0.3 mi s Myoma (4.6 mi n of Indio) Comment
  UCR16341  Geranium dissectum Mike Way 1968-5-14 s.n. Riverside Santa Ana Mountains, Santa Rosa Plateau, Rancho California ranch, along Tenaja Road 579 Comment
  SD212642  Geranium robertianum A. C. Sanders, T. B. Salvato 2006-5-4 32247 Riverside UCR campus, weeds in botanical garden. 351 Comment
  CAS-BOT-BC536093  Gilia A. C. Sanders 2005-4-22 29610 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi SE of summit of Gavilan Peak 624 Comment
  RSA470129  Gilia angelensis H. de Forest, Freda Detmers 1933-3-25 s.n. Riverside Between Banning and Cabazon Comment
  RSA470132  Gilia angelensis Ora M. Clark 1929-3-2 1636 Riverside Near Elsinore. Comment
  SD187454  Gilia angelensis Scott D. White, Angelia Carey 2004-4-16 10183 Riverside Indian Creek and adjacent slopes. 548 Comment
  SD236373  Gilia angelensis Abby Sirulnik 2000-4-13 9 Riverside Peninsular Ranges: Southwestern Riverside County Multispecies Reserve, ca. 3 mi northeast of Skinner Reservoir. 456 Comment
  SD247689  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 miles NE of the Highway 74 exit at Lake Elsinore. 118 Comment
  SDSU18400  Gilia angelensis C. Matt Guilliams 2008-2-27 480 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
  UC52727  Gilia angelensis H. M. Hall April, 1902 2919 Riverside vicinity Winchester; vicinity of Winchester Comment
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Mar 20 2011
  UC718485  Gilia angelensis Carl B. Wolf 1935-4-7 6314 Riverside 2 mi sw of Perris; Gavilan Hills Region, sw of Ferris 426 Comment
  UCR120647  Gilia angelensis D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1792 A Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR126366  Gilia angelensis A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 694 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR133957  Gilia angelensis Mitch Provance, J. S. Ross 1998-3-27 MOR- 969 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  UCR20565  Gilia australis N. R. Zabriskie 1978-3-16 780 Riverside San Jacinto Mountains, S side of stream near intake, Andreas Canyon, E slope of mountains 610 Comment
  UCR98082  Gilia australis A. C. Sanders, G. Helmkamp 1997-3-15 19950 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  RSA489834  Gilia diegensis D. Charlton 1988-5-28 2132 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2286 Comment
  UCR91005  Gilia ochroleuca A. C. Sanders, E. J. Lawlor, C. L. Sanders 1996-4-21 18069 Riverside S slope of San Bernardino Mtns, Morongo Indian Reservation, grounds of the Malki Museum, NE of Banning. 732 Comment
  RSA0016244  Gilia ochroleuca subsp. bizonata Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4823 -a Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  RSA0016289  Gilia ochroleuca subsp. exilis Scott D. White, Justin M. Wood 2008-6-18 12210 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  RSA0083764  Gilia ochroleuca subsp. exilis Scott D. White, Tasha La Doux 2000-4-20 7698 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  SBBG87642  Gilia ochroleuca subsp. exilis A. C. Sanders, B. Pitzer 1986-4-30 6475 Riverside lower Bee Cyn, 0.2 mi above the mouth of cyn 609 Comment
  SD255245  Gilia stellata Duncan S. Bell, Andrew Chambers 2015-3-12 7785 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgonio Wilderness area; Whitewater Canyon; about 0.75 air miles NE of Red Dome. 863 Comment
  SEINET3004968  Gilia stellata G. Rink 2011-3-24 10392 Riverside Sandy wash north of Blythe, east of the McCoy Mtns 109 Comment
  UC908852  Gilia stellata John Thomas Howell 1928-3-25 3541 Riverside Painted Canyon , Painted Canyon (Colorado Desert) Comment
  CLARK-A1528-221  Gnaphalium californicum R. P. Sunderman 1968-5-1 4 Riverside Riverside 335 Comment
  UCR140563  Gnaphalium californicum Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 8- 66 Riverside San Jacinto Mtns, San Bernardino National Forest, Hwy 74 near Cranston Guard Station, 10 miles east of Hemet, Site L8 581 Comment
  UCR3183  Gnaphalium californicum Chuck Elliott 1964-5-7 s.n. Riverside Riverside, 1 mi past end of Canyon Crest Road west. 305 Comment
  UCR106347  Gnaphalium canescens subsp. beneolens John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  POM48738  Gnaphalium palustre P. A. Munz, I. M. Johnston 1924-7-29 8821 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  UCR212971  Gnaphalium stramineum Justin M. Wood, Brandy N. Wood 2009-7-4 1041 Riverside San Bernardino Valley, Riverside Flood Control Basin, southwest corner of Patton Road and Wineville Road, immediately south of San Bernardino County Line 256 Comment
  SFV6322  Grayia spinosa T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 30 Riverside San Bernardino Mountains Whitewater Canyon Road, 3 miles north of Highway 60. 630 Comment
  RSA778251  Guillenia lasiophylla Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 918 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  UCR150637  Gutierrezia microcephala Bern Schwenn 1994-9-25 s.n. Riverside Joshua Tree National Monument, W side of Lost Horse Mountains, north side of first pass (divide crossing) on road between Lost Horse Well and Lost Horse Mine, south of Ryan Campground Comment
  RSA304952  Gutierrezia sarothrae E. R. Hobbs 1978-7-17 78 -118 Riverside Creek banks, Avery Canyon, betw Santa Rosa Hills and Polly Butte, N side of Gibbel road, S of Hemet Comment
  SDSU16684  Gutierrezia sarothrae Francis H. Bozzolo 2006-4-16 6 Riverside Santa Margarita Ecological Reserve, southern end, NNW of residence building, slope immediately behind avocado grove between 2 gullies. 229 Comment
  UC63195  Gutierrezia sarothrae W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Box Springs 457 Comment
  CLARK-A1528-229  Haplopappus acradenius subsp. eremophilus John C. Roos 1969-11-10 Riverside Whitewater Comment
  CAS-BOT-BC231096  Harpagonella palmeri Steve Boyd; Laurel Arnseth; Jaime Bonilla 1990-4-3 4060 Riverside Vail Lake area, summit of 'Big' Oak Mountain at E end 792 Comment
  SEINET3242788 Image available Harpagonella palmeri Steve Boyd 1986-1 1384 Riverside Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area. 427 Comment
  UCR217545  Harpagonella palmeri Diane Menuz 2008-4-9 399 Riverside Perris-Hemet Basin, Hartford Springs Reserve, near Idaleona Road 616 Comment
  RSA793030  Hedypnois cretica Justin M. Wood 2011-4-4 3392 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  RSA594122  Hedypnois cretica D. L. Banks, Victor Steinmann 1996-4-20 0880 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along a circular drive that runs along the W end of the compound. 567 Comment
  RSA0036833  Helianthus annuus Phil Elliott 1981-2-16 5 Riverside West of Lake Matthews, On Cajalco Rd., 1 mile north of CA Hwy.71. Comment
  CAS-BOT-BC305619  Helianthus californicus Louis C. Wheeler 1931-10-4 202 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  RSA262060  Helianthus gracilentus E. W. Lathrop 1966-5-8 6452 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  UCR3502  Hemizonia kelloggii Frances Miller 1964-5-20 M- 6456 Riverside N Peninsular Range/San Bernardino Valley, base of Box Springs Mtns., 1/4 mi north of end of Big Springs Rd, above RR 366 Comment
  RSA751259  Hemizonia mohavensis A. C. Sanders 2008-7-25 35903 Riverside east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1539 Comment
  UCR194232  Hemizonia mohavensis Scott D. White, J. Wood 2006-9-13 11643 Riverside Perris Basin/San Jacinto Mtn Foothills, Gibbel Flat in the Santa Rosa Hills 671 Comment
  POM4998  Hemizonia paniculata Charlotte M. Wilder 1905-7-25 127 Riverside Jurupa Hills near Riverside Comment
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Aug 3 2007
  RSA675685  Hemizonia paniculata Scott D. White 2001-6-19 8594 Riverside Sun City: Quail Valley east of Canyon Lake and west of Goetz Road. 442 Comment
  UCR112808  Hemizonia paniculata A. C. Sanders 1997-5-1 20627 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
  UCR159089  Hemizonia paniculata David Charlton 2005-8-10 s.n. Riverside Perris-Aguanga Basin Region, Perris, SW corner of Perris Valley Airport, corner of Mapes Rd. and Goetz Rd. 430 Comment
  UCR229498  Hemizonia paniculata Jeremiah George 2011-7-18 s.n. Riverside Peninsular Range; Elsinore Trough, North Lake Elsinore, just west of Nichols Rd. and Collier Ave. junction 384 Comment
  UCR92439  Hemizonia paniculata A. C. Sanders, D. L. Banks 1995-12-7 17936 Riverside San Jacinto Mtns., 3 mi NW of Anza, beside Bautista Canyon Road at a 90 deg. N bend 1259 Comment
  UCR189808  Hemizonia pungens subsp. laevis Theresa Johnson 2006-6-1 142 Riverside Peninsular Range, San Jacinto Wildlife Area. South of main entrance road to San Jacinto Wildlife Area. Located parallel to dirt road c. 500 m west of Davis Road along dry alkali flats 433 Comment
  UCR174435  Herniaria hirsuta subsp. cinerea A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32489 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
  SD240777  Hesperocyparis forbesii A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39925 Riverside Peninsular Range: Santa Ana Mountains: near Sierra Peak on dirt road (Leonard Road) from Skyline Drive, c. 1/4 mile east of the Orange C. line (Black Star Canyon 7.5'Q) 883 Comment
  UCR174442  Hesperolinon micranthum A. C. Sanders 2006-5-19 32389 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
  RSA91385  Hesperolinon micranthum F. W. Peirson 1922-5-19 3023 Riverside 2.5 miles NE of Murrieta 381 Comment
  SEINET5641180  Hesperoyucca whipplei var. whipplei Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28528 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert, off of Pine View Drive. 1297 Comment
  RSA739711  Heterocodon rariflorum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35634 Riverside Peninsular Range; San Jacinto Mtns.: May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UCR90358  Heterocodon rariflorum D. L. Banks, Steve Boyd 1995-5-30 0480 Riverside Peninsular Range; Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area; N flank of Agua Tibia Mtn, along the Dripping Springs Trail; at first saddle area in section 34, NNE of two peaks of Agua Tibia Mtn. 1134 Comment
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Apr 28 2009
  UCR140567  Heteromeles arbutifolia Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 9- 69 Riverside San Jacinto Mtns, San Bernardino National Forest, 12 miles east of Hemet on Hwy 74 near Dry Creek, Site L9 961 Comment
  RSA0072392  Heteromeles arbutifolia var. cerina M. Wall 1996-1-5 117 Riverside S of Hemet along Bautista Canyon Rd, S of Hwy 74, 6.3 mi SE of Fariview Avenue. 610 Comment
  UCR251297  Heterotheca grandiflora T. B. Salvato 2013-3-27 7431 Riverside Temescal Valley, Corona, c. 1 mi southeast of Corona (Lee) Lake and 0.2 mi south of Hwy 15, between De Palma Road and Colt Drive, west side of Horsethief Canyon Road 396 Comment
  RSA479918  Heterotheca sessiliflora subsp. echioides Steve Boyd 1987-9-27 2091 Riverside Peninsular Range Temescal Canyon south of Corona; area between confluence of Indian and Horsethief washes and Temescal Creek. 366 Comment
  SD137874  Heterotheca sessiliflora subsp. echioides Darin L. Banks, Steve Boyd 1995-10-17 785 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest; along lower Arroyo Seco, south of the Dripping Springs Campgroud 515 Comment
  UC1999900  Heterotheca sessiliflora subsp. fastigiata J. C. Semple, J. Chimielewski 1987-9-30 8985 Riverside CA-74,12.7 km S of CA-243, S of Lake Hemet. Comment
  UCR113543  Heterotheca sessiliflora subsp. fastigiata Mitch Provance 1998-6-6 684 B Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  RSA785656  Heterotheca sessiliflora var. sanjacintensis J. C. Semple, J. Chimielewski 1987-9-30 8985 Riverside CA-74, 12.7 km south of CA-243, south of Lake Hemet. Comment
  CAS-BOT-BC310923  Heterotheca villosa J. C. Roos 1965-9-16 s.n. Riverside On State St. near Florida St., Hemet Comment
  RSA0087287  Heuchera elegans Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8637 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek, i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA0100142  Heuchera hirsutissima Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8584 Riverside Santa Rosa Mountains; collecting on forested slope between forest service road and the summit of Santa Rosa Mountain. 2324 Comment
  RSA698122  Hibiscus denudatus Mary Edmunds 1932-3-26 s.n. Riverside Oasis-Coachella Valley. Comment
  RSA775661  Hibiscus denudatus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 806 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  CLARK-A1528-4681  Hilaria rigida John C. Roos 1965-9-5 Riverside Chuckwalla Valley Comment
  UCSB24967  Hilaria rigida Keefe, Joseph 1967-3-23 Riverside Above Twentynine Palms Highway, 3.8 miles north of Mission Creek Road, Morongo Valley 777 Comment
  CAS-BOT-BC207556  Hoffmannseggia microphylla Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio Comment
  LA45787  Hoffmannseggia microphylla Miss Halflaud; March 1925 6483 Riverside Palm Springs 0 Comment
  UCR140309  Hordeum depressum A. C. Sanders 2004-4-9 27478 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, vicinity of Rose Rd. 457 Comment
  UCR41803  Hordeum murinum A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6035 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  RSA121044  Hordeum murinum subsp. glaucum J. T. Howell 1956-3-19 31117 Riverside San Jacinto. Comment
  UCR142729  Hornungia procumbens F. W. Peirson 1922-4-30 1896 Riverside Peninsular Range, Lancaster Valley, road from Hemet to Temecula 518 Comment
  UCR37729  Hornungia procumbens A. C. Sanders 1985-3-7 5403 Riverside San Jacinto Valley, salt scald in barley fields c. 1/4 mi south of the intersection of Bridge St. and Gilman Springs Rd. 457 Comment
  LA203774  Hulsea vestita subsp. callicarpha Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  RSA6022  Hulsea vestita subsp. callicarpha C. B. Wolf 1932-8-5 3939 Riverside Along trail from Tahquitz Valley to San Jacinto Peak. 2560 Comment
  UC1409044  Hulsea vestita subsp. callicarpha Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38088 Riverside above James Reserve (in Hall Canyon); San Jacinto Mts., San Bernardino National Forest, Hall Canyo 1676 Comment
  UCR201643  Hulsea vestita subsp. callicarpha Scott D. White, Justin M. Wood 2008-6-16 12150 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  UCR95940  Hulsea vestita subsp. callicarpha Scott D. White 1996-8-1 4436 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA48419  Hymenoclea salsola E. K. Balls 1949-4-2 12904 Riverside Near Durmid, by the Salton Sea on Hwy 111, Colorado Desert. -67 Comment
  RSA0048442  Hymenoclea salsola A. Lee Haines 1973-3-24 s.n. Riverside Whitewater River Canyon. 426 Comment
  JOTR29376  Hymenoclea salsola var. pentalepis La Doux, Tasha, Mike Bell 2006-5-10 1453 Riverside Joshua Tree National Park. East Deception Canyon Comment
  RSA66566  Hymenolobus procumbens F. W. Peirson 1921-4-11 2398 Riverside Murray Canyon. Palm Springs region. Comment
  JOTR29276  Hymenoxys cooperi La Doux, Tasha 2005-8-17 1546 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland Wash; north of Wall Street Mill parking area 1316 Comment
  UC65036  Hypericum anagalloides H. M. Hall 1897-6-16 659 Riverside San Jacinto Mt. Comment
  POM250332  Hypericum androsaemum I. W. Clokey 1935-8-21 6833 Riverside North fork, San Jacinto River. 1500 Comment
  CAS-BOT-BC219730  Hyptis emoryi Nancy Ryan Zabriskie 1970-4-27 284 Riverside Outside inner gate of Andreas Canyon Club, near Palm Springs 7 Comment
  CAS-BOT-BC219743  Hyptis emoryi Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  CAS-BOT-BC219761  Hyptis emoryi Ivan Johnston 1917-4-4 1098 Riverside Near Palm Springs Comment
  JOTR31916  Hyptis emoryi La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2161 Riverside Joshua Tree National Park. North Hexie Mountains; large sandy side canyon draining into west Wilson Canyon with smaller braided ephemeral drainages running through 902 Comment
  JOTR31949  Hyptis emoryi La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2187 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  LA61590  Hyptis emoryi Martha Hilend; 1929-7-27 361 Riverside Shafer's Wells Comment
  OBI13684  Hyptis emoryi Lewis S. Rose 1959-1-8 59000 Riverside La Quinta 30 Comment
  RSA182080  Hyptis emoryi P. A. Munz 1932-3-14 11976 Riverside Palm Springs. 91 Comment
  UCR214296  Hyptis emoryi A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37473 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
  SEINET13948478 Image available Hyptis emoryi Carl B. Wolf 1932-1 2984 Riverside Colorado Desert. 8 mi E of Mecca on Blythe Road. Ca 300 ft alt 91 Comment
  RSA0013879  Ibicella lutea H. Baer 1922-7-18 s.n. Riverside Near Lake Elsinore. Comment
  CLARK-A1528-4693  Imperata brevifolia John C. Roos 1949-9-17 4655 Riverside Whitewater 396 Comment
  CDA5549  Ipomoea triloba T. C. Fuller 1962-10-2 9691 Riverside South of Avenue 60, 0.2 mile east of Jackson Street, ca. 6 miles south of Indio. 0 Comment
  SD126162  Ipomoea triloba A. C. Sanders 1988-11-6 8737 Riverside Coachella Valley, west side of Highway 86, 6.25 miles south of its junctiln with Highway 111 in Coachella. -35 Comment
  UCR90976  Isocoma menziesii var. vernonioides Scott D. White 1995-12-30 3802 Riverside Perris Basin, SW of Perris, above S bank of San Jacinto River. 442 Comment
  JEPS108704  Isomeris arborea C. Spurrier, M. J. Way 2001-6-6 3 Riverside Big Morongo Canyon Preserve, 2.3 km n of water company entrance on Kickapoo Trail 515 Comment
  UCR123757  Isomeris arborea Steven R. Hill 2001-4-29 33544 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  SEINET3405576 Image available Isomeris arborea var. angustata Lewis S. Rose 1938-12-18 38323 Riverside Palm Springs. 137 Comment
  UC56919  Jepsonia parryi H. M. Hall Apr. 1902 2750 Riverside Winchester Comment
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Mar 20 2011
  SD243034  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. Near edge of stream, c. 100m below lake. 238 Comment
  RSA741055  Juncus arcticus var. mexicanus Scott D. White, Justin M. Wood 2008-6-5 12062 Riverside Quinn Flat Meadow. 1372 Comment
  UCR201647  Juncus arcticus var. mexicanus Scott D. White, Justin M. Wood 2008-6-5 12062 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  SBBG120000  Juncus bufonius A. C. Sanders, K. Volansky 2005-3-17 29224 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR154375  Juncus bufonius A. C. Sanders, Mike Misenhelter 2005-6-15 30954 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR22063  Juncus bufonius Steve Boyd 1980-4-13 129 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  VVC525  Juncus bufonius A. C. Sanders, J. Mackay 1997-5-4 20705 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  POM14371  Juncus bufonius var. occidentalis Phillip A. Munz 1922-5-5 5161 Riverside 0.5 mile north of March Field [March Air Force Base]. Comment
  RSA609508  Juncus bufonius var. occidentalis L. C. Wheeler 1974-6-8 s.n. Riverside San Jacinto Mountains: 1/4 mile NW Toolbox Spring, Thomas Mountain. 1828 Comment
  RSA192265  Juncus macrophyllus E. W. Lathrop 1966-5-11 6283 Riverside 3 miles SW of Murrieta on the De Luz Road, first canyon to the right of the road. Comment
  RSA6023  Juncus macrophyllus Carl B. Wolf 1932-8-5 3940 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2561 Comment
  RSA740716  Juncus macrophyllus Scott D. White, Justin M. Wood 2008-7-8 12381 Riverside Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  UCR281580  Juncus macrophyllus Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-31 517- 116 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  SBBG57304  Juncus mexicanus R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns Comment
  UC1106411  Juncus mexicanus Peter Kamb 1948-7-4 1164 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  UCR22062  Juncus mexicanus Steve Boyd 1980-4-13 128 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  RSA162796  Juncus rugulosus John Olmsted 1959-11-28 1088 Riverside East Fork Snow Creek above dropoff, Snow Creek-Whitewater River Drainage Area, San Jacinto Mountains. 899 Comment
  RSA192264  Juncus xiphioides E. W. Lathrop 1960-6-9 4966 Riverside 14 miles west of Murrieta. Comment
  POM182075  Justicia californica P. A. Munz 1932-3-14 11971 Riverside Palm Springs. 91 Comment
  RSA398814  Justicia californica Robert L. Dressler 1949-3-19 413 Riverside Box Canyon, Orocopia Mts. Comment
  RSA398815  Justicia californica Robert M. Perkins, H. de Forest 1937-3-15 387 Riverside 20 miles east of Desert Center. Comment
  UCR244422  Justicia californica Jim Andre 2012-4-16 20917 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  RSA781421  Kallstroemia californica Duncan S. Bell 2011-10-22 3001 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  SD255293  Kallstroemia californica Sarah J. De Groot, Amy Rouillard 2015-9-15 7572 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. Mud flat at south edge of dry lake bed. 106 Comment
  SEINET13945561 Image available Kallstroemia californica J. C. Roos 1937-1 357 Riverside Blythe Comment
  RSA221035  Keckiella antirrhinoides E. W. Lathrop 1966-3-23 6075 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  RSA543179  Keckiella antirrhinoides Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6118 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR113126  Keckiella antirrhinoides A. C. Sanders 1998-2-19 21654 Riverside San Bernardino Mountains, mouth of Hathaway Canyon, Morongo Indian Reservation, east of Banning 793 Comment
  UCR277882  Keckiella antirrhinoides B. C. Templeton 1930-4-15 1100 Riverside Gavilan Hills, Gavilan Peak, west of Perris 610 Comment
  SEINET7072839  Keckiella antirrhinoides subsp. antirrhinoides A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. Coordinate datum: WGS84/NAD83. (33? deg. 32' 25" North Latitude, -116? deg. 45' 8" West Longitude, Coordinate datum: NAD27.). Comment
  UCR15969  Keckiella antirrhinoides var. antirrhinoides Kenneth Hibberd 1966-3-27 660327- 6 Riverside Lake Elsinore, 1 mi north of NW corner 427 Comment
  CAS-BOT-BC246224  Keckiella ternata subsp. ternata D. E. Breedlove 1961-8-5 939 Riverside Riverside Highway 1, 0.2 mi. SW of Fuller Mill Creek, San Jacinto Mountains 1645 Comment
  SD229285  Keckiella ternata var. ternata Dick Schwenkmeyer 2012-4-18 704 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  UCR112073  Koeleria gerardi Mitch Provance 1998-3-20 174 B Riverside Riverside area, Jurupa Mtns., pass west of Rattlesnake Mtn., along the east side of Armstrong Rd., c. 1/8 mi. south of the San Bernardino Co. line 313 Comment
  RSA489842  Koeleria macrantha D. Charlton 1988-5-21 1937 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  CAS-BOT-BC61421  Krameria bicolor Geo. B. Grant 1906-5-1 6786 Riverside Colorado desert at Palm Springs, southern California Comment
  CAS-BOT-BC61429  Krameria bicolor K. Larson 1976-6-10 2033 Riverside About 30 mi. E. of Indio. S. of Chiriaco Sum. Comment
  UCSB57986  Krameria bicolor Wolf, Carl 1932-4-29 Riverside Eastern Colorado Desert, W. edge of Maria Mts., 17 mi. from blythe on rice road 50 Comment
  CAS-BOT-BC43704  Krameria erecta Joy Keck 1935-4-15 3840 Riverside Lower Morongo Canyon Comment
  CAS-BOT-BC43712  Krameria erecta Peter H. Raven 1958-5-18 12999 Riverside Along State Highway 74, 4.9 miles north - east of Pinon Flats, San Jacinto Mountains Comment
  JOTR31935  Krameria erecta La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2173 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash draining into west Pinkham Wash Comment
  JEPS64826  Krameria grayi W. L. Jepson 1912-10-28 5238 Riverside near Riverside Mts. (<Botanical Expedition along the Colorado River Needles to Yuma..>); Colorado River, near Riverside Mts. 91 Comment
  UCR75079  Krameria grayi A. C. Sanders, E. J. Lawlor 1992-4-4 12123 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR180576  Lamarckia aurea Scott D. White, Angelia Carey 2004-4-5 10036 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR83330  Lamarckia aurea A. C. Sanders 1994-5-15 14489 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  RSA645546  Laportea ovalifolia A. C. Sanders, S. Morgan 1995-11-30 17926 Riverside Riverside: weed in the UCR Botanic Garden [UTM 10km cell: MH-7E, 5N. Edgemont.] 366 Comment
  CHSC104026  Larrea tridentata Steve Boyd; T. Morgan, A. Virgen, S. DeGroot, V. Arvizu,T. Thibault 2004-5-14 11236 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains regions: Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  SBBG109171  Larrea tridentata D. Wilken with G. A. Wilken 1997-11-1 15373 Riverside tributary of San Bernardino Wash, 0.3 km SW of Gold Crown Rd, SW slope of Pinto Mtns 605 Comment
  SFV2004  Larrea tridentata M. L. Vincent, R. H. Swade 1963-10-19 462 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. 366 Comment
  SD186286  Lastarriaea coriacea Andy C. Sanders 2003-5-8 26576 Riverside Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Alamos Rd and E of the creek 395 Comment
  SEINET10479878  Lastarriaea coriacea James L. Reveal 1988-5-23 Reveal 6865 Riverside Along California Highway 75 at milepost 48, 3 miles east of Fairview Avenue in Valle Vista, on sandy granitic soil north of the highway and south of the San jacinto River, associated with Encelia and Eriogonum at about 2000 feet elevation. Sec. 10, T5S, R1E. 610 Comment
  CHSC275  Lasthenia californica S. Westerberg 1938-4-1 Riverside Palm Springs. Comment
  HSC85405  Lasthenia californica Steve Boyd 1986-4-2 1614 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SD137868  Lasthenia californica Darin L. Banks, Steve Boyd 1995-3-16 87 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain; east of the Dripping Springs Alcove. 515 Comment
  CAS-BOT-BC352707  Lasthenia coronaria C. L. Hitchcock; C. V. Muhlick 1962-3-16 22125 Riverside Temescal Canyon, 8 mi. S of Corona Comment
  POM361560  Lasthenia coronaria Ora M. Clark 1929-2-24 1518 Riverside Cabazon, Colorado Desert. Comment
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Mar 13 2011
  RSA314645  Lasthenia coronaria R. F. Thorne 1983-4-23 55459 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  UCD133644  Lasthenia coronaria Steve Boyd; Tim Ross, Laurel Arnseth 1989-4-1 3106 Riverside Vail Lake area. At north base of rounded knob 1.25 miles WSW of dam. 609 Comment
  UCR182094  Lasthenia glaberrima Michael L. Charters, Tom Chester 2003-6-8 204 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Mesa de Colorado, largest vernal pool, north edge along boardwalk 625 Comment
  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
  JEPS29298  Lasthenia gracilis Rimo Bacigalupi and L. Heckard 1962-3-25 8393 Riverside low rolling hills just e Bedford Canyon (about 5 mi se of Corona); eastern base Santa Ana Mountains 304 Comment
  POM305813  Lasthenia gracilis Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1046 Riverside Elsinore. Comment
  UCR114934  Lasthenia gracilis Julie A. Greene 1993-4-30 1287 Riverside San Jacinto Valley, San Jacinto Wildlife Area. south of visitor center road and north of the old San Jacinto River drainage 433 Comment
  RSA736550  Lathyrus laetiflorus Scott D. White, Angelia Carey 2004-7-2 10583 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR270179  Lathyrus vestitus A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42398 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  UCR59760  Lathyrus vestitus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3062 Riverside Peninsular Range, Vail Lake area, south of Hwy 79, 0.25 mi east of Pauba Road 457 Comment
  POM1791  Lathyrus vestitus subsp. alefeldii O. W. Robinson 1916-3-28 s.n. Riverside Miller's Canyon, Murrieta. Comment
  UCR216396  Lathyrus vestitus subsp. vestitus Mike Bell 2008-3-30 023 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  RSA1496  Lathyrus vestitus var. alefeldii J. T. Howell 1929-2-14 1233 Riverside Santiago Trail, above Glen Ivy Comment
  RSA614416  Lathyrus vestitus var. alefeldii D. L. Banks 1997-3-16 1549 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  RSA0029618  Layia glandulosa J. Andre 2006-4-6 6714 Riverside Joshua Tree National Park: along Desert Queen Mine Rd. 1363 Comment
  CLARK-A1528-1982  Layia platyglossa John C. Roos 1947-3-21 3364 Riverside Reche Canyon Comment
  UCD133983  Layia platyglossa C. L. Hitchcock 1966-3-15 24146 Riverside 1 mile east of Glen Ivy Hot Springs. Comment
  UCR114018  Layia platyglossa Mitch Provance 2000-4-8 2008 Riverside Jurupa Mountains, S extension of 'Rattlesnake Mt.', <100 m west of peak 1739. 518 Comment
  UCR48351  Layia platyglossa subsp. campestris Steve Boyd 1986-4-22 1764 Riverside Temescal Canyon, W side of Indian Wash, south of I-15 Comment
  UCR101388  Lepidium densiflorum A. C. Sanders, K. C. Rose 1998-9-29 22243 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  UCR281095  Lepidium dictyotum var. dictyotum Mitch Provance, Jeremiah George 2017-3-23 317- 69 Riverside Elsinore Trough, Lake Elsinore, about 350 ft. NW of the corner of Diamond Dr. and Pete Lehr Dr. 386 Comment
  POM48140  Lepidium fremontii E. E. Schellenger 1920-05 s.n. Riverside Edom, East of Mecca. Comment
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Jun 18 2011
  SD231267  Lepidium latifolium Scott D. White 2003-6-9 9254 Riverside Perris Basin: Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. 473 Comment
  SDSU14133  Lepidium latifolium Michael G. Simpson, Tax. Cal. Pls. (Biol. 531) class 2002-4-20 2258 Riverside Along north bank of Santa Margarita river, ca. 1/8 mile east of junction with Via Tornado Rd. (from Northside field station). 247 Comment
  UCR60544  Lepidium nitidum K. Tomlinson, D. Kama, R. F. Thorne 1985-3-27 898 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  UCR167863  Lepidium virginicum T. B. Salvato, John F. Green 2004-5-27 645 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UCR144416  Lepidium virginicum var. pubescens Scott D. White, Michael Honer 2003-4-9 8998 Riverside Perris-Aguanga Basin, Gavilan Hills, c. 1 mi N of the I-15 Fwy and 1 mi east of the Lake Street exit, on and around unnamed peak '2349 640 Comment
  RSA773592  Lepidium virginicum var. virginicum Duncan S. Bell, J. D. England 2010-6-14 1304 Riverside San Bernardino National Forest: Garner Valley, just west of Highway 74 approximately 2.5 miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1367 Comment
  RSA289861  Leptochloa fusca subsp. uninervia B. A. Prigge 1980-12-15 4116 Riverside Whitewater Marsh: 4 miles S of Mecca., Near 33 deg 30'N; 116 deg 4'W. -70 Comment
  RSA652882  Leptochloa fusca subsp. uninervia John Wallace 1991-5-8 18 Riverside Colorado River; Approximately 3 miles south of Lost Lake Resort. Comment
  RSA784194  Leptochloa fusca subsp. uninervia J. D. Olmsted 1959-9-23 1014 Riverside Mt. Range NW of Lakeview Mts. Drainage area to Lake Elsinore. San Jacinto River crossing by Lakeview Rd from US 395 427 Comment
  UC1924330  Leptochloa uninervia P. M. Peterson with D. R. Peterson 1988-8-24 4989 Riverside Batista Canyon Wash, entering San Jacinto River(Wash), just N of Cedar and Mountain, NE end of Hemet. Comment
  UCR92314  Leptochloa uninervia Scott D. White 1995-7-7 3457 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  UC219567  Leptodactylon pungens P. A. Munz 1922-6-27 5874 Riverside Toro Peak; Santa Rosa Mts., Toro Peak 2286 Comment
  HSC86132  Leptosiphon ciliatus B. Freeman 1969-6-13 6906131 Riverside San Jacinto Mtns., James Reserve Comment
  RSA180366  Leptosiphon floribundus E. W. Lathrop 1960-5-27 5229 Riverside 6 miles west of Murrieta. Comment
  HSC85325  Leptosiphon lemmonii Steve Boyd 1986-4-2 1633 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SD137678  Leptosiphon parviflorus Darin L. Banks, Steve Boyd 1995-5-3 192 Riverside Agua Tibia wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR244432  Lesquerella tenella Jim Andre 2012-4-16 20927 Riverside Mojave/Sonoran Desert Transition, Joshua Tree National Park; along Cottonwood Springs Rd, 2.4 mi. north of Cottonwood Visitor's Center 956 Comment
  UCR220005  Lessingia filaginifolia A. C. Sanders 2010-11-18 38690 Riverside Peninsular Range; western Gavilan Hills, eastern edge of Corona, north end of 'radio tower' ridge, 1.85 mi. NNE (25 deg. ) of El Cerrito, 1 mi. SSE (143 deg. ) of Home Gardens, just east of large rock quarry 488 Comment
  RSA793267  Lessingia glandulifera var. glandulifera Aaron C. Sedgwick, April Garbat 2012-5-5 97 Riverside West of San Jacinto Forest Service land and south of Hwy. 74. Entry point is from an unmarked road just ~1000 ft. west of the ranger station. Continue through citrus groves to BLM land located in a canyon south of the groves. 610 Comment
  RSA526172  Lilium humboldtii subsp. ocellatum Steve Boyd, Timothy S. Ross 1990-5-11 4675 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA741006  Limnanthes gracilis subsp. parishii Scott D. White, Justin M. Wood 2008-6-18 12218 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  RSA0012195  Limonium duriusculum A. C. Sanders, John F. Green 2012-6-25 40298 Riverside Temescal Canyon, benches south of I-15 and east of Horsethief Canyon Rd., north end of Bucking Bay Dr. 433 Comment
  JEPS58386  Linanthus dichotomus W. L. Jepson May 17 1901-Jun 1 1901 1463 a Riverside Van Deventer's Ranch Van Deventer Flat Comment
  HSC82839  Linanthus jonesii A. C. Sanders, Pitzer, Charlton, Kniffen 1986-3-3 6108 Riverside Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the S 489 Comment
  OBI53602  Linanthus jonesii B. Pitzer, S. Meyers & J. Wilkinson 1988-2-21 609 Riverside A well-developed desert pavement at S end of Coxcomb Mountains, 0.2 mi N of Hwy 177 (Old Desert Center - Rice Rd.) at a point 10.6 mi NE of Desert Center, on Hwy 177. Comment
  RSA741068  Linanthus lemmonii Scott D. White, Justin M. Wood 2008-6-5 12076 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UC908796  Linanthus lemmonii Victor Duran 1935-4-17 Riverside Sage Comment
  JOTR32142  Linanthus maculatus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2298 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy, braided ephemeral wash flowing northeast (Stop 2) Comment
  SD231406  Linanthus maculatus J. Mark Porter, Sarah DeGroot 2005-3-9 14246 Riverside East of State Route 62, on paved road between Peirson Blvd. and Indian Ave., north of the Metropolitan Water District Resevior, Morongo Valley. On both sides of the roads. 486 Comment
  CLARK-A1528-3482  Linanthus nuttallii subsp. floribundus John C. Roos 1962-5-19 Riverside Santa Ana Mountains Comment
  UCR167867  Linanthus parviflorus T. B. Salvato, John F. Green 2004-5-27 573 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  UCSB24764  Linanthus pungens Tucker, B. 1966-5-8 Riverside Above base of Palm Springs Aerial Tramway near Palm Springs 516 Comment
  UCR26172  Linaria canadensis John C. Roos 1947-3-15 3346 Riverside San Jacinto Valley, Valle Vista, east of Hemet 549 Comment
  RSA496571  Linaria canadensis var. texana Steve Myers 1988-2-24 s.n. Riverside Temescal Canyon, ca. 1/4 mi. W of intersection of Hwy I-15 and Indian Truck Trail. 381 Comment
  UCR22076  Linaria canadensis var. texana Steve Boyd 1980-5-3 188 Riverside Harford Springs Co. Park, NW corner of the Gavilan plateau. N end of the juniper grove Comment
  RSA0036779  Lobularia maritima Andrew Haimov, April Sleigh 1992-5-28 100 Riverside 125 meters east of Davis Road along main access road to San Jacinto Wildlife Area. 60 meters south of CDF main office building. Comment
  SEINET11988760  Lobularia maritima A. L. Moldenke, Moldenke, H. N. 1976-1 30576 Riverside Ledco Hills, on old Rt. 71 Comment
  UCR18168  Loeflingia squarrosa A. C. Sanders 1978-4-2 00270 Riverside Sonoran (Colorado) Desert, Coachella Valley, Deep Canyon Reserve - south of Palm Desert. Alluvial fan near the Boyd Research Center 366 Comment
  POM96061  Loeseliastrum schottii M. French Gilman 1926-5-9 A- 16 Riverside Colorado Desert. Morogo Wash. Comment
  UC68770  Loeseliastrum schottii H. M. Hall Apr., 1905 5929 Riverside Colorado Desert, McCoy Wash 91 Comment
  UC963823  Loeseliastrum schottii Helen K. Sharsmith 1952-4-8 4050 Riverside western lobe Pinto Basin; Mojave Desert, Joshua Tree Nat'l Monument, Pinto Basin 609 Comment
  UC1179099  Logfia arizonica Herbert L. Mason 1952-4-7 14208 a Riverside near Palm Springs; Palm Canyon Comment
  CAS-BOT-BC342259  Logfia filaginoides Lewis S. Rose 1937-4-9 37116 Riverside Palm Springs 137 Comment
  SD137889  Logfia gallica Darin L. Banks, Steve Boyd 1995-5-9 334 Riverside Northwest Palomar Mountains, north of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 730 Comment
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Apr 15 2009
  UCR54310  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  RSA594770  Lomatium lucidum D. L. Banks, Dylan Hannon 1996-5-3 991 Riverside Agua Tibia Mountains; Foothills S of Hwy. 79, E of the Dripping Spring Campground, approximately 300 m E of the Dripping Springs Guard Station. 487 Comment
  UC56507  Lomatium lucidum W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1931 Riverside Temecula Creek 609 Comment
  JEPS12323  Lomatium mohavense Marjorie D. Clary 1932-5-12 1643 Riverside Colorado Desert, Lost Horse Canyon 1371 Comment
  SD7635  Lomatium utriculatum unknown May 1882 Riverside San Jacinto Plain Comment
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Jul 12 2010
  POM3169  Lomatium vaginatum Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, near shore of L. Elsinore. Comment
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Jul 8 2009
  SBBG95112  Lonicera interrupta S. D. White 1990-7-10 Riverside E Millard Cyn, on the rd to Kitching Peak Trail 1127 Comment
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Sep 8 2014
  UCR133433  Lonicera interrupta Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 448 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  SDSU2941  Lonicera subspicata Wende Rehlaender 1983-5-28 119 Riverside San Jacinto Mts. Near Strawberry Creek, on Highway 74, about 8 1/2 mi. along road from Valle Vista; 31/2 mi. NW of Baldy Mtn. , 3 1/2 mi. SW of Idyllwild. Comment
  RSA100199  Lonicera subspicata var. denudata F. W. Peirson 1920-6-22 217 Riverside Dripping Springs, Temecula River 457 Comment
  RSA191424  Lonicera subspicata var. denudata E. W. Lathrop, R. F. Thorne 1967-9-26 s.n. Riverside 6 miles NW of Murrieta. Comment
  RSA602485  Lotus grandiflorus var. grandiflorus Scott D. White 1996-8-16 4486 Riverside Idyllwild area: SW of Pine Cove and W of Bear Trap Canyon, in watershed above Alvin Meadows (tributary to Toll Rd. Canyon). 1707 Comment
  UCR157953  Lotus heermannii T. B. Salvato, A. C. Sanders 2005-5-17 910 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
  RSA515327  Lotus humistratus Jeri Hirshberg 1989-4-4 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, W of Mesa de Burro near head of Cole Canyon. 488 Comment
  UCR120807  Lotus humistratus Ian G. Gillespie 2000-4-19 8 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 30 m south of DePalma Road 427 Comment
  UCR23899  Lotus nevadensis var. nevadensis John C. Roos 1937-8-18 2541 Riverside San Jacinto Mtns., Near Willow Creek 2439 Comment
  JEPS55548  Lotus oblongifolius var. oblongifolius Carl V. Meyer 1928-7-24 516 Riverside Falls Creek Idyllwild 1889 Comment
  RSA498793  Lotus rigidus Robert L. Dressler 1949-3-19 425 Riverside Coxcomb Mountains, 23 miles NE of Desert Center. Comment
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May 24 2012
  JOTR31942  Lotus salsuginosus var. brevivexillus La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2180 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  CLARK-A1703-68  Lotus scoparius William Horn, Jr. 1963-3-22 630322#1 Riverside Riverside 365 Comment
  UCR166171  Lotus scoparius subsp. brevialatus John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  POM14083  Lotus scoparius var. brevialatus P. A. Munz, D. D. Keck 1922-4-14 4998 Riverside East of Whitewater Ranch 244 Comment
  RSA25620  Lotus scoparius var. brevialatus C. B. Wolf 1938-9-29 10927 Riverside 9 miles from Temecula on road to Aguanga. Fork of Temecula wash. 335 Comment
  UC15699  Lotus strigosus H. M. Hall Jun 1901 2059 Riverside vicinity Chalk Hill; San Jacinto Mountains 1584 Comment
  UC864905  Lotus strigosus Lewis S. Rose 1937-4-9 37088 Riverside Banning 706 Comment
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Mar 13 2011
  UCR116468  Lotus strigosus A. C. Sanders, T. B. Salvato 2001-3-30 23866 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
  UCR176188  Lotus strigosus Amber Bruno 2005-4-14 13 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
  UCR20782  Lotus strigosus A. C. Sanders, Steve Boyd 1980-5-2 1393 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR260582  Lotus strigosus A. C. Sanders, Nina Kidd, Jeff Crain 2015-3-31 41534 Riverside Peninsular Range; Eastern Foot of Santa Ana Mtns., Temescal Canyon, northwest of El Hermano Road junction along sandy wash of Temescal Creek 313 Comment
  POM28287  Lotus strigosus var. strigosus Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA406377  Lotus tomentellus M. B. Dunkle 1933-5-6 3447 Riverside Painted Canyon. Comment
  UCR22191  Lotus wrangelianus John C. Roos 1952-4-9 5478 Riverside Hill by Fairmont Park, Riverside 259 Comment
  UCR159109  Lupinus A. C. Sanders, J. Goetzen 1996-5-1 18129 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  RSA314163  Lupinus andersonii Walter Wisura 1983-6-25 3910 Riverside Pacific Crest Trail betw. Morris Ranch and Fobes Ranch, San Jacinto Mts. Comment
  JOTR36470  Lupinus arizonicus La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3439 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; at top of large cobbley wash, near Russi Rocks guzzler (Stop 4) 538 Comment
  POM349954  Lupinus arizonicus N. C. Cooper 1949-4-8 3255 Riverside Mecca Pass east of Indio. 610 Comment
  POM350004  Lupinus arizonicus D. A. Young 1969-3-21 458 Riverside Highway 71 approx. 1 miles Southwest of Elsinore. 183 Comment
  SBBG3535  Lupinus arizonicus H. and M. Dearing 1939-12-31 4063 Riverside near NE end of Salton Sea Comment
  UCR200297  Lupinus arizonicus Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11217 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  POM350005  Lupinus bicolor Ora M. Clark 1929-2-23 1526 Riverside South of Cabazon Comment
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Mar 13 2011
  SD51696  Lupinus bicolor David Dunn 1941-3-29 932 Riverside 2.0 miles west of Corona. Comment
  POM350056  Lupinus bicolor subsp. microphyllus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  SEINET10484876  Lupinus bicolor subsp. microphyllus Tilforth 1979-4-11 TILFORTH 1768 Riverside Open slopes with grasses, rhus trilobata, paeonia californica, xylococcus Bicolor. Murrieta-deluz road, ca 2 air miles s of murrieta, 305 Comment
  GMDRC6567  Lupinus concinnus J. M. Andre 2012-6-15 30523 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  UCR122525  Lupinus concinnus George K. Helmkamp, E. A. Helmkamp 2001-5-20 6671 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  RSA515333  Lupinus concinnus subsp. concinnus Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, Cole Canyon, NW of Mesa de Burro, at head of canyon. 610 Comment
  RSA561012  Lupinus concinnus subsp. concinnus Steve D. Boyd, Tim S. Ross 1992-5-4 7198 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA248729  Lupinus concinnus subsp. orcuttii Christopher Davidson 1973-4-19 1995 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree. 1220 Comment
  CAS-BOT-BC216687  Lupinus excubitus subsp. hallii Elizabeth McClintock 1965-6-25 s.n. Riverside A short distance below the summit, Santa Rosa Mountain Comment
  LA205059  Lupinus excubitus var. austromontanus Norman C. Cooper; 1944-6-17 2006 Riverside San Jacinto Mountains, above Banning 1219 Comment
  POM48488  Lupinus excubitus var. austromontanus Mary F. Spencer 1919-6-19 1195 Riverside Idyllwild, San Jacinto Mt. 1646 Comment
  CAS-BOT-BC216702  Lupinus excubitus var. excubitus H. E. McMinn 1925-7-2 1501 Riverside Tahquitz Trail, Mount San Jacinto Range Comment
  RSA78197  Lupinus formosus Philip A. Munz 1953-5-31 18519 Riverside Joshua Tree National Monument. 1357 Comment
  RSA5014  Lupinus hirsutissimus Dorothy R. Wolf 1932-3-20 14 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  POM229048  Lupinus hyacinthinus Philip A. Munz 1937-5-30 15141 Riverside Santa Rosa Peak. 2409 Comment
  RSA679949  Lupinus hyacinthinus LeRoy Gross, Firoozeh Navidara, Valerie Soza 2003-6-23 1116 Riverside Black Moutain Road (4501), southeast of Black Mountain and northwest of Fuller Mill Creek. 2012 Comment
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Oct 24 2008
  SD229156  Lupinus hyacinthinus Dick Schwenkmeyer 2012-9-20 838 Riverside Taquitz Valley Camp, 2.5 mi. east (via trail) of Humber Park, Idyllwild. 2502 Comment
  RSA16478  Lupinus latifolius subsp. parishii Carl B. Wolf 1935-6-19 7229 Riverside Santa Ana Mts, Main Divide Motorway, Bear Spring. 1220 Comment
  LA205141  Lupinus latifolius var. parishii Carl Epling; William Robison 1935-6-30 sn Riverside north fork San Jacinto River Comment
  UCR1038  Lupinus microcarpus var. densiflorus J. E. Dimitman 1957-5-18 s.n. Riverside San Jacinto Valley, along San Jacinto River wash, 3 mi. SE of San Jacinto on Mountain Avenue. 494 Comment
  UCR37489  Lupinus microcarpus var. densiflorus Steve Boyd 1980-5-3 s.n. Riverside Peninsular Range, Gavilan Hills, [Mead Valley] along Cajalco Road, 1/4 mile east of Alexander Rd. 498 Comment
  SD231315  Lupinus sparsiflorus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky. 2003-4-17 10469 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
  UCR133383  Lupinus sparsiflorus Mitch Provance, J. S. Ross 1998-3-27 1001 Riverside San Bernardino Mtns., Morongo Indian Reservation, road to Lion Cyn., c. 2.1 miles NE of Cabazon 549 Comment
  UCR16251  Lupinus sparsiflorus Steve Stadler 1966-4-12 41266- 56 .5 Riverside San Bernardino Mtns., Cherry Valley, in back of service station at corner of Cherry Valley Blvd. and Beaumont Ave. 823 Comment
  SEINET10488969  Lupinus sparsiflorus Shervncik 1973-3-18 SHERVNCIK 783 Riverside Santa Ana mtns. Mockingbird canyon lake. Loam. Grassland. Mockingbird Canyon road, about 5 mi n of lake Matthews. Comment
  POM2531  Lupinus succulentus C. F. Baker 1904-4-5 4189 Riverside Hemet Comment
  CLARK-A1528-2851  Lupinus truncatus John C. Roos 1947-3-15 3326 Riverside Valle Vista Comment
  UC1930004  Lupinus truncatus Scott D. White, Michael Honer 2003-4-25 9097 Riverside SAN BERNARDINO MTS: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of Road, on alluvial fan adjacent steep east-facing mountain slope. Comment
  CLARK-A1528-883  Lycium andersonii Alan Chamberlain 1957-3-16 Riverside Riverside Comment
  RSA422101  Lycium andersonii N. R. Zabriskie 1969-4-27 207 Riverside Andrea Canyon near Palm Springs. 366 Comment
  RSA594517  Lycium andersonii D. L. Banks, Rashmi Pant 1996-5-13 1022 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground., Approximately 2.1 km E of the Dripping Springs Guard Station, S of the junction between the Vail Lake Marina Road and Hwy. 79, just N of the Cleveland National Forest Boundary. T8S R1W; Just N of the NW 1/4, NE 1/4 of sec. 23. 473 Comment
  CDA41138  Lycium torreyi T. C. Fuller 1971-5-2 19887 Riverside North of Hobson Way at the west end of Blythe. 0 Comment
  SEINET2053351 Image available Machaeranthera canescens var. incana Don Domenigoni 1985-9-20 Riverside Hemet, 950 N State Street. Comment
  UCR42412  Machaeranthera cognata J. M. Stewart 1986-1-26 86- 9 Riverside Sonoran (Colorado) Desert, S side of Mecca Hills. 107 Comment
  RSA561880  Madia gracilis Steve Boyd, Timothy S. Ross 1992-6-10 7629 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, San Mateo Canyon about Potrero Escondido, an isolated area of low relief topping the ridge system due west of the junction of Tenaja Road (7S01) and Los Alamos Road (7S04)., At the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 671 Comment
  RSA560865  Malacothamnus densiflorus var. densiflorus Steve Boyd 1992-4-14 6831 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  OBI5742  Malacothamnus fasciculatus subsp. fasciculatus Charlotte M. Wilder June1904 35 Riverside Wilder's Canon Jurupa hills Comment
  CAS-BOT-BC345284  Malacothrix californica Marcus E. Jones 1903-5-11 s.n. Riverside Banning 701 Comment
  CAS-BOT-BC347689  Malacothrix glabrata L. R. Abrams 1926-3-25 11001 Riverside Near Banning Comment
  OBI37418  Malacothrix glabrata M. rosczyk & G. Helmkamp, G. Helmkamp 1985-4-4 254 Riverside Big Morongo Preserve, S of Morongo Valley; W edge of the main cyn just below the BLM gate 533 Comment
  OBI8208  Malacothrix glabrata David J. Keil, Malcolm McLeod 1977-3-26 12009 Riverside 8 mi NW of Lake Elsinore State Recreation area along CA 71 366 Comment
  SEINET2053778 Image available Malacothrix glabrata Norman C. Cooper 1949-4-9 3260 Riverside Mecca Pass east of Indio. 548 Comment
  UCR167076  Malacothrix glabrata Scott D. White 2005-3-29 10842 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UCR261454  Malacothrix glabrata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41441 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  RSA501072  Malosma laurina Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3190 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  RSA638203  Malosma laurina Scott D. White 1998-10-9 7173 Riverside Corona, near Bedford Canyon: ''Joseph Canyon' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 335 Comment
  RSA92732  Malosma laurina J. C. Roos, Lucille Roos 1954-7-10 6191 Riverside North side Pigeon Pass, Box Springs Mountains. 488 Comment
  RSA0048460  Malvastrum rotundifolium A. Lee Haines 1974-4-8 s.n. Riverside North side of Orocopia Mountains. 396 Comment
  RSA523965  Marah macrocarpa Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4011 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  JOTR37436  Marina parryi Hodges, Stephen R., T. Hender 2015-12-30 558 Riverside Joshua Tree National Park. Pinto Basin, Black Eagle Mine Road (Stop 1) Comment
  RSA799876  Marina parryi Scott D. White, Robert Black 2011-2-25 13391 Riverside Sonoran Desert: Kaiser Road N of 10 freeway along long bend in road. 207 Comment
  SD113621  Marina parryi Darley F. Howe 1952-4-28 2195 Riverside Box Canyon, east of Mecca. Comment
  UC1563114  Marina parryi Steve Boyd and Orlando Mistretta 1986-3-13 1425 Riverside ne of Desert Center (jct of Parker Dam Rd and Palen Rd (rd going through pass between Palen and Granite Ranges)); Palen Mountains 243 Comment
  UCR196345  Marina parryi Naomi Fraga, Lisa Rojas 2005-2-10 1411 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  UCSB3069  Marina parryi Haller, John 1960-4-2 Riverside South side of U.S. 60-70, 5.8 miles east of Desert Center 243 Comment
  RSA509536  Marrubium vulgare Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 366 Comment
  SBBG121984  Marrubium vulgare S. D. White, A. Carey 2004-5-7 10335 Riverside Indian Crk and adjacent foothills 549 Comment
  RSA191442  Marsilea vestita E. W. Lathrop, Thorne 1967-9-26 6631 Riverside 6 miles NW of Murrieta. Comment
  RSA740933  Marsilea vestita Scott D. White, Justin M. Wood 2008-7-9 12435 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  RSA92748  Marsilea vestita J. C. Roos 1952-5-21 5704 Riverside San Jacinto River bottomland 1.5 miles southeast of Perris 426 Comment
  LA206250  Meconella denticulata W. E. Pequegnat; 1939-4-8 14 Riverside Santa Ana Mountains, Coldwater Trail 701 Comment
  POM276580  Medicago polymorpha Lyman D. Benson 1932-3-26 3159 Riverside 3 miles N [of] Temecula. 457 Comment
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Dec 4 2011
  UCR158346  Medicago polymorpha A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30078 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
  RSA556494  Medicago polymorpha Julie Greene 1993-4-3 1120 Riverside San Jacinto Wildlife Area. Weedy area by Fence Line Road gate. 441 Comment
  RSA689490  Melaleuca A. C. Sanders, Dana Klatt 2001-8-14 24592 Riverside UCR campus at University Bldg. S (old Citrus Expt. Sta. Director s residemce area) 351 Comment
  UCR213533  Melica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37800 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  RSA543166  Melica frutescens Steve Boyd, Timothy S. Ross, M. Hammitt 1991-5-2 6096 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR2534  Melica frutescens F. M. Reed 1926-5-15 5338 Riverside Peninsular Range, Foothills south of Menifee 579 Comment
  CLARK-A1528-4727  Melica imperfecta John C. Roos 1937-5-2 1419 Riverside La Sierra Comment
  UCR165425  Melica imperfecta A. C. Sanders 2005-4-21 29582 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR270304  Melica imperfecta T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8370 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
  CLARK-A1528-510  Melilotus albus John C. Roos 1951-9-25 5256 Riverside Riverside 259 Comment
  CSUSB1137  Melilotus indicus Steve Walker 1966-5-13 Riverside City of Riverside, Santa Ana River-bottom, west of Fairmount Park 0.5 mile. 304 Comment
  RSA800099  Mentzelia affinis Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4773 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 5.5 air miles southeast of the ghost town or Rice or approximately 4.75 air miles east of Priests Well. 208 Comment
  SEINET3004971  Mentzelia affinis G. Rink 2011-3-28 10397 Riverside Desert pavement north of Blythe, east of the McCoy Mtns 115 Comment
  RSA554202  Mentzelia albicaulis Theo Glenn 1991-4-9 91 -6 Riverside Big wash in Eagle Mountains 787 Comment
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Mar 4 2013
  UC454537  Mentzelia dispersa I. J. Condit 1910-6-24 Riverside San Jacinto Mountains 914 Comment
  UCR202005  Mentzelia dispersa 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
  SEINET186303  Mentzelia involucrata Philip A. Munz 1940-3-24 15694 Riverside 3 miles southof Cottonwood Springs, Eagle Mts., 457 Comment
  SEINET3263235  Mentzelia involucrata J. Andre, T. La Doux, R. B. Kelley 2012-5-4 21073 Riverside Joshua Tree National Park; Long Canyon, up side canyon approx 400 m west of main canyon drainage. Yucca Valley South Quad. Comment
  SEINET3350022  Mentzelia involucrata Stephen Hale 2012-1 4820 Riverside Black Point Mesa, Big Maria Mts., 0.25 mi. W SR 95, 15 Mi. N Blythe 197 Comment
  UCSB37940  Mentzelia involucrata Carlson, B. 1978-3-24 Riverside East of Desert Hot Springs, Berdoo Cyn Rd., 7.7 mi. N. of Dillon Rd., 10m from road edge Comment
  RSA0038374  Mentzelia involucrata A. Lee Haines 1973-3-24 s.n. Riverside Orocopia Mountains. 457 Comment
  CHSC21886  Mentzelia involucrata var. megalantha Robert A. Schlising 1973-3-18 3072 Riverside Whitewater Canyon, ca 1 mi n of jct with interstate hwy 10; semi-desert slopes. Comment
  UCR133706  Mentzelia jonesii N. C. Cooper 1944-3-25 1037 Riverside Sonoran (Colorado) Desert, Morongo Pass '1500 ft. 549 Comment
  JEPS26731  Mentzelia longiloba Marjorie D. Clary 1936-3-20 2595 Riverside Forty miles north of Desert Center on the road to Webber City. North Colorado Desert. Comment
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Aug 28 2016
  UC336437  Mentzelia tricuspis J. G. Lemmon Apr 1876 258 Riverside Colorado Desert, White-water Comment
  UCR75554A  Microseris douglasii subsp. douglasii A. C. Sanders 1993-5-12 14007 A Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  RSA501079  Microseris douglasii subsp. platycarpha Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-2 3197 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  SEINET238731  Microseris douglasii subsp. platycarpha A. C. Sanders 1997-5-1 20628 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
  UCR217522  Microseris douglasii subsp. platycarpha Rose Cook, Ana Hernandez 2010-4-15 02 Riverside Perris-Aguanga Basin, South of west end of Lake Matthews. 268m south of Cajalco Road, 460 m southeast of Cajalco Road/ La Sierra Avenue intersection 426 Comment
  UCR217544  Microseris douglasii subsp. platycarpha Diane Menuz 2008-3-24 374 Riverside Perris-Hemet Basin, East of Briggs Rd,. c. 1 km south of Scott Rd. 432 Comment
  UCR281248  Microseris douglasii subsp. platycarpha Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 38 Riverside Temescal Valley, East side of Campbell Ranch Rd., +- 500 ft. north of Indian Truck Trail. 361 Comment
  POM316517  Microseris heterocarpa Charlotte M. Wilder 1904-4-23 114 Riverside Jurupa Hills near Riverside. Comment
  UCR102881  Microseris heterocarpa A. C. Sanders 1997-3-26 20127 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  RSA0018784  Mimetanthe pilosa Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA38702  Mimulus aurantiacus var. pubescens Percy C. Everett 1945-6-7 11506 Riverside D. longiflorus 50 ft. away; D. Clevelandii 10 ft.; hybrid colony in center, more woody than D. Clevelandii; Indian Canyon, along Indian Canyon Truck Trail. 960 Comment
  UC886280  Mimulus aurantiacus var. pubescens C. L. Hitchcock 1940-4-12 6044 Riverside 8 mi nw Elsinore 457 Comment
  UCR220004  Mimulus aurantiacus var. pubescens A. C. Sanders 2010-11-18 38689 Riverside Peninsular Range; western Gavilan Hills, eastern edge of Corona, north end of 'radio tower' ridge, 1.85 mi. NNE (25 deg. ) of El Cerrito, 1 mi. SSE (143 deg. ) of Home Gardens, just east of large rock quarry 488 Comment
  UCR270305  Mimulus aurantiacus var. pubescens T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8373 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
  POM33  Mimulus aurantiacus var. puniceus O. W. Robinson 1916-3-28 s.n. Riverside Miller's Canyon, Murrieta. Comment
  RSA554278  Mimulus aurantiacus var. puniceus Scott D. White 1992-2-25 92 -1 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
  UC917890  Mimulus aurantiacus var. puniceus Frank W. Gould 1944-4-5 2226 Riverside 17 mi e Temecula Comment
  UCR146442  Mimulus bigelovii var. bigelovii R. F. Thorne, Et al. 1969-6-24 38096 Riverside San Jacinto Mtns., San Bernardino National Forest, above James Reserve in Hall Canyon 1677 Comment
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May 11 2019
  UC1409045  Mimulus brevipes Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38099 Riverside above James Reserve (in Hall Canyon); San Jacinto Mts., San Bernardino National Forest 1676 Comment
  UC310840  Mimulus brevipes Philip A. Munz 1925-5-20 9821 Riverside 2 mi w Dripping Spring 426 Comment
  UCR174079  Mimulus brevipes A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32583 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCSC000863  Mimulus brevipes Peter Kamb 1947-6-7 565 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  RSA586762  Mimulus clevelandii D. L. Banks, S. D. Boyd 1995-5-17 460 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of Upper Arroyo Seco. 659 Comment
  RSA80482  Mimulus diffusus F. W. Peirson 1922-4-30 2934 Riverside hills south of Tucalota Creek, below summit to St. Johns grade, road from Hemet to Aguanga Comment
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May 29 2011
  UCR217532  Mimulus diffusus Diane Menuz 2008-4-4 392 Riverside Peninsular Range, Palomar Mountains. And 0.5 mi down Woodchuck Rd. from national forest boundary 719 Comment
  UCR114831  Mimulus floribundus Mitch Provance 1998-4-21 1113 Riverside Jurupa Mountains, Glen Avon Hts., Boulder Hill Park, 0.7 km west of Pyrite St. on the north side of Granite Hill Dr. 305 Comment
  UCR158319  Mimulus floribundus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30062 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
  UCR201701  Mimulus floribundus Scott D. White, Justin M. Wood 2008-6-19 12261 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  UCR41315  Mimulus guttatus N. M. Fellows, A. C. Sanders 1985-5-7 181 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
  RSA0054840  Mimulus guttatus Keith E. Hoffmaster 1933-4-14 527 Riverside Tahquitz Canyon. Comment
  CAS-BOT-BC9643  Mimulus palmeri Victor Duran 1932-5-18 3220 Riverside Idyllwild, San Jacinto Mountains 1676 Comment
  CAS-BOT-BC9644  Mimulus palmeri H. M. Hall 1900-6-1 1449 Riverside Lytle Creek Canyon 1767 Comment
  RSA612170  Mimulus pilosus Louis C. Wheeler 1932-7-9 931 Riverside Santa Ana River at Chino Creek. 152 Comment
  UCR274289  Mimulus pilosus T. B. Salvato, Melissa Clemons 2005-6-6 1413 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
  SEINET3079830 Image available Mimulus puniceus Ed LaRue 1989-3-30 Riverside Rancho California area, ca. 4 mi W of Temecula, with Ave. del Oro as the N boundary. 381 Comment
  UCR21136  Mirabilis californica Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  RSA770933  Mirabilis laevis Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4960 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. 823 Comment
  UCR176753  Mirabilis laevis Jennie Phui 1998-5-30 041 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  SEINET7048177  Mirabilis laevis Steven R. Hill 2001-5-3 33683 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-BC434683  Mirabilis laevis var. crassifolia Catherine A. Toschi 1963-4-5 63 :101 Riverside 3 miles northeast of Moreno 304 Comment
  POM758  Mirabilis laevis var. crassifolia J. D. Abrams 1901-05 s.n. Riverside Elsinore. Comment
  SDSU16685  Mirabilis laevis var. crassifolia Francis H. Bozzolo 2006-4-16 7 Riverside Santa Margarita Ecological Reserve, northern end, ca. 0.1 miles south of North gate on Via Tornado road. Shallow slope on NW side of road, with single large Quercus sp at base. 360 Comment
  SEINET244862  Mirabilis laevis var. crassifolia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24920 Riverside The Badlands; Hills and canyones west of Laborde Canyon, 1 miles northeast of Eden Hot Springs, SW of Beaumont 610 Comment
  SEINET3139976  Mirabilis laevis var. crassifolia R. W. Spellenberg 1996-5-26 12321 Riverside 4 km NW of Aguanga on Calif. Hwy. 79 510 Comment
  UC56250  Mirabilis laevis var. villosa H. M. Hall May 17 1901-Jun 1 1901 1855 Riverside Palm Canyon 457 Comment
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Aug 18 2010
  JEPS9987  Mohavea confertiflora W. L. Jepson 1914-5-18 6015 Riverside w of Pinon Well (Region n of Indio, on road to County Well) Comment
  UCR156274  Mollugo cerviana T. B. Salvato, Kent Beaman 2005-5-16 854 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
  UCR35351  Mollugo cerviana L. B. Ziegler 1974-7-28 534 Riverside San Jacinto Valley, garden of "Gleason Plantation" 473 Comment
  UCR80033  Monardella lanceolata Chet McGaugh, S. J. Myers 1992-8-20 92- 4 Riverside Peninsular Range, foot of hills at SW end of Domenigoni Valley, c. 0.25 mi. east of San Diego Creek Canal 488 Comment
  SEINET13948595 Image available Monardella lanceolata Carl B. Wolf 1932-1 3914 Riverside San Jacinto Mts. Point View, near Idyllwild. Alt 5400 ft. 1646 Comment
  LA62742  Monardella linoides subsp. linoides Elizabeth McClintock; 1940-5-26 sn Riverside about 3 mi W of Pinon Flats, Pines to Palms Hwy Comment
  LA57207  Monardella nana Carl Epling; 1937-6-6 sn Riverside Palms to Pines 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
  UCR110995  Monardella nana subsp. arida George K. Helmkamp 1998-6-27 4111 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  UC1499816  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-17 119 Riverside trail to Suicide Rock (at the stream which crosses the trail, a short distance beyond the forks); San Jacinto Mts. Comment
  UC1499835  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 129 Riverside down the w slope trail from Round Valley (beyond Wellman Cienega); San Jacinto Mts. Comment
  UCR23637  Monardella nana subsp. tenuiflora John C. Roos 1937-8-18 2542 Riverside San Jacinto Mountains, Taquitz Valley 2500 Comment
  UCR123188  Monardella robisonii A. C. Sanders, Mark Elvin 2001-8-17 24618 Riverside Mojave Desert, Little San Bernardino Mtns, near Hidden Valley Campground at 'Echo T,' Joshua Tree National Park 1311 Comment
  UCR141143  Monoptilon bellioides June Latting 1973-4-14 s.n. Riverside Sonoran (Colorado) Desert, south entrance to Joshua Tree National [Park] Monument, alluvial slopes south of Cottonwood Mtns. 579 Comment
  POM12714  Montia chamissoi P. A. Munz 1922-7-6 5994 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  SEINET2153727  Montia perfoliata W. H. Whaley 2002-1 s.n. Riverside along Idyllwild road, at mile marker 21, recent burn site, ca 3/4 mile SE of Mt. Oak Boys Ranch. Comment
  SEINET7296363 Image available Muhlenbergia andina Richard W. Pohl 1963-1 9424 Riverside Lake Fulmor, San Jacinto Mts. 1300 Comment
  UCD86819  Muhlenbergia microsperma Alan A. Beetle 1946-4-18 4231 Riverside At DeLuz near Murietta. Comment
  UCR242300  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato 2012-10-12 40426 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  RSA652083  Muilla maritima Marion P. Harthill 1972-5-6 sn Riverside Rancho. 762 Comment
  RSA68694  Muilla maritima F. W. Peirson 1922-5-20 3046 Riverside Hemet Valley. (San Jacinto Mountains) 1402 Comment
  SD80160  Myriopteris parryi Nancy Ryan Zabriskie, Walter Zabriskie 1971-3-7 350 Riverside Andreas Canyon watershed, desert side of San Jacinto Mountains 365 Comment
  RSA601653  Najas guadalupensis L. C. Wheeler 1957-11-30 7275 Riverside Coachella drainage ditch, ca. 1.5 mi. south southeast of Thermal. Comment
  RSA80982  Nama demissa var. deserti G. R. Campbell 1952-4-15 18368 Riverside Road leading from Hwy 60 to 29 Palms, at jct to Desert Hot Springs. 762 Comment
  CSUSB112  Nama demissum Barry A. Vittor 1966-3-11 Riverside Rancho Dos Palmas, 2 miles northeast of Salton Sea State Park. 30 Comment
  RSA0043146  Nama hispida var. spathulata Aaron C. Sedgwick, David Fraker 2012-4-24 6 Riverside Hwy 177 north from Desert Center. West side of the road. 183 Comment
  RSA614424  Nassella cernua D. L. Banks 1997-3-29 1557 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
  RSA525441  Nassella lepida Steve Boyd, D. Bramlet 1990-4-29 4486 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA557878  Nassella lepida Steve Boyd, Orlando Mistretta 1992-4-23 7052 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  RSA562482  Nassella pulchra Steve Boyd, Timothy S. Ross 1992-5-5 7254 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
  RSA191425  Navarretia hamata subsp. hamata E. W. Lathrop, R. F. Thorne 1967-9-26 6604 Riverside 6 miles NW of Murieta, Riverside Co. Tenaja Road a the pass enterring valley leading to Tenaja Guard stst. Comment
  RSA0123377  Nemacladus Duncan S. Bell, Thomas Stoughton 2016-4-14 9297 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  RSA698132  Nemacladus glanduliferus var. orientalis J. R. Bruff 1928-4-2 111 Riverside Canyon W of Morengo Comment
  RSA0121064  Nemacladus ramosissimus Duncan S. Bell, Thomas Stoughton 2016-3-16 8950 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  RSA0123361  Nemacladus ramosissimus Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9043 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA526492  Nemacladus ramosissimus Steve Boyd, Timothy S. Ross 1990-5-11 4688 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA85407  Nemacladus ramosissimus J. C. Roos, L. Roos 1952-4-28 5591 Riverside Box Springs Mtns. 396 Comment
  UCR116916  Nemacladus ramosissimus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23955 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  POM67785  Nemacladus rubescens Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UCR204227  Nemacladus rubescens Valerie Soza, J. M. Porter, G. D. Wallace 2001-4-2 1085 Riverside Transverse Ranges, Little San Bernardino Mountains, Big Morongo Wash 473 Comment
  RSA0126416  Nemacladus sigmoideus W. L. Jepson 1928-4-25 12601 -A Riverside Cottonwood Springs, Eagle Mountains. 732 Comment
  RSA777653  Nemacladus tenuis var. aliformis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 755 B Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  RSA0123277  Nemacladus tenuis var. tenuis Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8990 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
  UCR122524  Nemophila menziesii George K. Helmkamp, E. A. Helmkamp 2001-5-20 6676 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  UCR16823  Nemophila menziesii var. integrifolia S. Nelson 1974-5-2 2 Riverside San Bernardino Mtns., Banning Canyon 1524 Comment
  UCR133427  Nicotiana attenuata Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 463 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  RSA16361  Nicotiana bigelovii var. wallacei Percy C. Everett 1935-6-18 7171 Riverside Santa Ana Mountains, San Juan Canyon, near Ortega Highway on road [North Main Divide Road] to Santiago Pk. 701 Comment
  OBI35917  Nicotiana glauca J & B Semple, B Semple 1981-8-12 5588 Riverside W of Lake Elsinore Comment
  UCR2978  Nicotiana glauca Wm. Horn Jr. 1963-3-11 630311- 01 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, University of California campus, 50 yards north of Student Health Center 305 Comment
  RSA426700  Nicotiana glauca D. A. Young 1969-3-28 P- 302 Riverside 1/2 Mile NE of interstate 10 on Verbenia Ave. 100 yds S of Chaparral Rd on the SW side of Verbenia Ave. 335 Comment
  JEPS12227  Nicotiana obtusifolia W. L. Jepson 1901-5-22 1409 Riverside near Mt. San Jacinto (Palm Canyon); Palm Canyon Comment
  JOTR30057  Nicotiana obtusifolia La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1690 Riverside Joshua Tree National Park. Stop #1 = Near Geology Tour rd., N of Malapai Hill 1267 Comment
  JOTR35444  Nicotiana obtusifolia Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 49 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop2) Comment
  UC170158  Nicotiana obtusifolia E. E. Schellenger 1894-12-3 91 Riverside Chuckwalla Wash; Colorado Desert Comment
  RSA0018759  Nicotiana obtusifolia F. W. Peirson 1917-4-1 1089 Riverside Andreas Canyon near Palm Springs. Comment
  SEINET7063443  Nicotiana quadrivalvis A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles west of Sage on East Benton Road. Tucalosa Hills. UTM Zone 11, 499688mE, 3715592mN. (WGS84/NAD83). 527 Comment
  UC129476  Nicotiana quadrivalvis H. M. Hall 1907-7-2 8007 Riverside vicinity Riverside (Santa Ana River); Santa Ana River 274 Comment
  RSA0119899  Nolina parryi Duncan S. Bell, Thomas Stoughton 2016-4-12 9229 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 Comment
  RSA11601  Nolina parryi C. Epling, William Robison 1933-6-26 s.n. Riverside Little San Bernardino Mountains: Key s View [Salton View]. 1524 Comment
  UCR21295  Nolina parryi A. C. Sanders, K. Berg 1980-5-1 1348 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  SBBG266  Notholaena californica H. and M. Dearing 1940-1-3 4787 Riverside San Andreas Cyn Comment
  UC197907  Notholaena californica S. B. and W. F. Parish 1882-1 502 A Riverside Agua Caliente, desert slope of San Jacinto Mountain Comment
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Mar 9 2011
  POM887  Notholaena californica subsp. californica I. M. Johnston 1918-5-30 1993 Riverside Temescal Canyon. 304 Comment
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Nov 20 2011
  UCR106343  Oenothera californica John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  JOTR30053  Oenothera californica subsp. avita La Doux, Tasha, Jade Mohajerin 2006-10-12 1663 Riverside Joshua Tree National Park. Geo Tour Road, in the area burned in July 2006 Comment
  UC873908  Oenothera californica subsp. californica P. A. Munz 1922-6-27 5845 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  UCR214560  Oenothera deltoides A. C. Sanders 2010-3-15 37412 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  POM355588  Oenothera deltoides subsp. deltoides A. Menke 1955-4-26 s.n. Riverside Indian Wells Comment
  RSA118387  Oenothera deltoides subsp. deltoides P. A. Munz, David P. Gregory, William M. Klein 1958-4-4 22962 Riverside Sun Tan Motel, 3.5 mi. nw. Indio city limits, on Hwy 70 [Hwy 10]. 30 Comment
  RSA72276  Oenothera deltoides subsp. deltoides Robert L. Dressler 1949-3-19 418 Riverside 5 miles NE of Desert Center. Comment
  RSA125972  Oenothera elata subsp. hirsutissima E. K. Balls, Percy C. Everett 1959-11-4 22746 Riverside Snow Creek, about Old Fish Hatchery, n. base San Jacinto Mountains. 701 Comment
  CLARK-A1045-127  Oenothera micrantha var. exfoliata George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  UC1186515  Oenothera primiveris subsp. primiveris E. G. Linsley and J. W. MacSwain 1960-3-2 60 -3 Riverside Hopkins Well Comment
  RSA660931  Oenothera rosea A. C. Sanders 1998-4-11 21750 Riverside NE edge of UCR campus, E of A & I dorms and S of Watkins Dr., near Parking Services Bldg. 335 Comment
  UCSB38667  Oligomeris linifolia Cowan, Clark 1978-4-24 Riverside Dry lake bed of Lake Cahuilla; 2.1 mi (3.3 km) off Ave 66 on a dirt road, 1.3 mi(2 km) on Ave 66 from Hwy 86; Whittaker transect #W-222 (voucher) Comment
  JOTR32328  Olneya tesota Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Open, sandy bajada adjacent to Pinto Basin road and near south park boundary Comment
  UCR18944  Olneya tesota John C. Roos 1965-12-4 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 2 mi. SE of Desert Center 366 Comment
  CAS-BOT-BC349928  Oncosiphon piluliferum A. C. Sanders; T. B. Salvato 2011-3-28 38812 Riverside Peninsular Range; Perris-Aguanga Basin Region: Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  SEINET15324998  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-1 24210 Riverside Perris-Aguanga region; Moreno Valley, along I-215 just south of the March Field Museum, 0.7 mi S of van Buren Blvd. (Riverside east 7.5' Quad) 465 Comment
  UCR261455  Oncosiphon piluliferum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41442 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  RSA0097547  Opuntia basilaris Marc A. Baker, Michelle Cloud-Hughes 2015-7-12 18413 Riverside San Gorgonio River, 2 km SW of Cabazon, 27 km WNW of central Palm Springs, 14 km WSW of the historical site of Whitewater. 513 Comment
  POM311556  Opuntia engelmannii Lyman Benson 1963-7-13 16387 Riverside 1/2 mile north of Aguanga. 610 Comment
  RSA751352  Opuntia microdasys John F. Green 2008-6-5 s.n. Riverside south side of Hwy 74, c. 3 miles NE of Lake Elsinore and 3 miles NW of Canyon Lake. 478 Comment
  POM305019  Opuntia parryi Lyman Benson 1962-2-17 16142 Riverside 4 miles northeast of Aguanga. 915 Comment
  POM285351B  Opuntia phaeacantha Lyman Benson 1955-12-6 15622 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  RSA594513  Opuntia vaseyi D. L. Banks, Rashmi Pant 1996-5-13 1018 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Approximately 2.1 km E of the Dripping Springs Guard Station, S of the junction between the Vail Lake Marina Road and Hwy. 79,, just S of the Cleveland National Forest Boundary. 396 Comment
  CAS-BOT-BC355578  Oreostemma alpigenum var. andersonii H. M. Hall 1901-7-30 2574 Riverside San Jacinto Mountains.Tahquitz Valley 2499 Comment
  SEINET10723433  Oreostemma alpigenum var. andersonii David B. Dunn 1946-8-17 Dunn 2693 Riverside Damp meadow area grassy, near the stream at the camp in Taquitz Valley, San Jacinto Mts. 2438 Comment
  RSA0104790  Orobanche bulbosa Steve Boyd, Ken Berg, Sandy Morey, Jon E. Keeley 1992-5-3 7171 Riverside Vail Lake area, ridge about 1 mile west of the lake, east of Little Oak Mountain. 609 Comment
  JEPS85938  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4523 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  RSA0066540  Orobanche cooperi subsp. cooperi Meryl B. Dunkle 1933-3-4 3072 Riverside Mecca. Comment
  UCR94614  Orobanche fasciculata G. R. Ballmer, Kay Stockwell 1995-6-25 s.n. Riverside San Jacinto Mtns, Pacific Crest Trail, near Pyramid Peak [c. 3 km (airline) SSE of Palm View Pk.--A. C. Sanders] 2134 Comment
  UCR232760  Orobanche parishii W. P. Armstrong, Tom Chester, D. Stith 2008-8-18 1348 Riverside Peninsular Range; San Jacinto Mtns., lower end of Tamarack Valley 2823 Comment
  UCR21126  Orobanche parishii subsp. parishii A. C. Sanders, K. Berg 1979-10-27 946 Riverside San Jacinto Mtns., James Reserve along a trail near the weather station 1646 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
  UC1333287  Osmadenia tenella Charles B. Fiker 1946-6-17 3591 Riverside San Mateo Canyon Comment
  UCR11672  Oxytheca emarginata Carl Epling, A. Lee Haines 1937-5-7 s.n. Riverside San Jacinto Mtns., Vandeventer Flat Comment
  OBI8361  Paeonia californica David J. Keil, Malcolm McLeod 1977-3-26 12022 -2 Riverside 9 mi E of jctn with I-15 along Calif 79 518 Comment
  RSA291611  Paeonia californica C. W. Tilforth, Walter Wisura 1979-4-11 1770 Riverside East end of Murrieta-DeLuz Rd, south of Murrieta. 335 Comment
  RSA518449  Paeonia californica C. W. Tilforth, D. Tilforth 1977-3-6 1264 Riverside 0.3 miles E of El Cariso Forest Station, W of Lake Elsinore, Hgwy 74 and Forestry Rd. 6S06. Comment
  SD217338  Paeonia californica Steve Boyd, Tim Toss and Orlando Mistretta 1992-2-2 6660 Riverside San Mateo Canyon Wilderness of the Cleveland National Forest. Lower half of Tenaja Canyon, especially about Fishermans Camp. Comment
  UCD134888  Palafoxia arida Geoffrey Levin 1975-4-5 462 Riverside Jcn. Of Ramon Rd. and 1000 Palms Canyon Rd. 91 Comment
  UCR245957  Palafoxia arida Duncan S. Bell 2009-3-8 49 Riverside Arica Mountains, east side of range, c. 1.8 air miles NW of Priest Well 350 Comment
  JOTR35389  Palafoxia arida var. arida Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 177 Riverside Joshua Tree National Park. eastern Eagle Mountains; near Pinto Wells, sand ramps and large active wash between sand hills and basalt outcrops 286 Comment
  POM363756  Palafoxia arida var. arida N. C. Cooper 1949-4-8 3244 Riverside Mecca Pass east of Indio. 549 Comment
  RSA28088  Palafoxia arida var. arida I. L. Wiggins 1941-3-27 28088 Riverside 4 miles northeast of Desert Center on road to Rice. Comment
  UC61508  Palafoxia arida var. arida L. D. Copeland 1904-5-5 Riverside Palm Springs Comment
  UCR153389  Palafoxia arida var. arida Scott D. White 2000-3-23 7634 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms area. North terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion 183 Comment
  UCR241512  Palafoxia arida var. arida A. C. Sanders, Ann Howald 2013-2-27 40546 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  UCR90598  Panicum capillare Scott D. White 1995-6-29 3379 Riverside Santa Ana Mtns., Murrieta Creek, NW of Murrieta, upstream from Cole Creek confluence, at Calle de Oso Oro Rd. crossing 351 Comment
  JOTR29503  Panicum hirticaule subsp. hirticaule Bell, Mike 2006-9-14 s.n. Riverside Joshua Tree National Park. southeast Pinto Mountains; near Mission Well/ Sunrise Mill, off Old Dale Road 435 Comment
  POM366030  Panicum urvilleanum Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7808 Riverside West of Indio, 3 miles E of Date Palm Dr. 15 Comment
  SBBG57166  Panicum urvilleanum M. N. Ackley 1928-4-4 Riverside near Edom 64 Comment
  RSA395362  Papaver californicum Steve Boyd 1986-4-22 1735 Riverside Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  UCR92768  Parietaria hespera var. californica F. M. Reed 1908-3-29 2297 Riverside W slope of Box Springs Mtns 518 Comment
  UC2015680  Parkinsonia aculeata Scott D. White 1996-3-23 3846 Riverside Perris Basin Santa Rosa Hills, SE of Hemet (Loomis property: Friendly Hills Ranch. Comment
  SD113584  Parkinsonia florida Darley F. Howe 1952-4-27 2187 Riverside Box Canyon, east of Mecca Comment
  UCSB21098  Parkinsonia florida Dunton, S. 1965-5-9 Riverside Highway 74 approaching Coachella Valley, 3.5 miles south of junction of Highway 74 and 111 304 Comment
  POM268769  Pectis papposa Marcus E. Jones 1929-9-16 s.n. Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  RSA0104080  Pectis papposa Duncan S. Bell, Evan Meyer 2014-10-28 7664 Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  RSA780560  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-5 60 Riverside Ship Creek. Corn Springs Rd Exit from I10. Take Chuckwalla Valley Rd to Dupont Rd. Follow approximately 5 miles. Chuckwalla Mountains Wilderness Area. 341 Comment
  UCR116663  Pectocarya anisocarpa A. C. Sanders, Carolyn Washburn 2001-5-10 24235 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
  RSA800116  Pectocarya heterocarpa Duncan S. Bell 2013-4-7 4757 Riverside Arica Mountains, east side of range; west side of Rice Valley approximately 4 air miles south of the ghost town of Rice. 207 Comment
  UCR116454  Pectocarya linearis A. C. Sanders, T. B. Salvato 2001-3-30 23873 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
  UCR260852  Pectocarya linearis A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41418 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  SDSU18357  Pectocarya linearis subsp. ferocula C. Matt Guilliams 2008-2-21 474 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
  SFV6346  Pectocarya linearis subsp. ferocula T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 25 Riverside San Bernardino Mountains Whitewater Canyon Road, 3 miles north of Highway 60. 630 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
  UCR244429  Pectocarya penicillata Jim Andre 2012-4-16 20962 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  UCR88558  Pectocarya penicillata A. C. Sanders 1995-4-13 16506 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  UCR216116  Pectocarya platycarpa Jim Andre, T. La Doux 2009-2-25 10815 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 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
  UC809723  Pectocarya recurvata Philip A. Munz 1949-4-13 13065 Riverside above Cottonwood Springs (w end of Eagle Mts); Colorado Desert 1143 Comment
  UCR269875  Pectocarya recurvata A. C. Sanders, Jim Malusa 2016-3-18 42370 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  VVC135  Pectocarya recurvata A. C. Sanders, J. Mac 1995-3-12 16080 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  PASA166  Pedicularis densiflora Frank W. Peirson 1922-4-29 Riverside 1 mile east of Dripping Spring, Temecula river 518 Comment
  UCR194239  Pellaea andromedifolia Mitch Provance, Michael L. Fugate 2005-4-14 10053 Riverside San Bernardino Valley, near the water tanks just E of Versity Hill, or what is known locally as Coyote Hill (pk 1386), a few hundred yards SSE of the UCR Campus 396 Comment
  UCR241684  Pellaea andromedifolia T. B. Salvato 2013-3-22 7409 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  UCR41326  Pellaea andromedifolia N. M. Fellows, A. C. Sanders 1985-4-9 152 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
  RSA743826  Pellaea andromedifolia var. andromedifolia Sarah J. De Groot, J. Mark Porter 2005-3-9 4773 Riverside Whitewater Canyon, several miles north of I-10. 591 Comment
  RSA599122  Pennisetum setaceum V. W. Steinmann 1996-3-16 812 Riverside Northeast foothills of the San Jacinto Mountains, lower portion of Chino Canyon alluvial plain, 1 kilometer S of Highway 111 at a point ca. 1.5 kilometer NW of the Tramway-San Rafael intersection. 300 Comment
  NY583777  Penstemon centranthifolius G. R. Campbell 1951-5-30 16141 Riverside Just west of Cahuilla 1066.8 Comment
  NY583812  Penstemon centranthifolius F. W. Pennell 1940-4-28 25289 Riverside Route 74; below Ribbonwood, east of San Jacinto Range 1066.8 Comment
  RSA0014942  Penstemon centranthifolius LeRoy Gross, Evan Meyer 2013-5-21 6117 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  SDSU10931  Penstemon centranthifolius W. T. Wiliams 1962-5-12 Riverside San Jacinto, 5 miles N of Idyllwild. Growing 10 feet W of Hwy. Comment
  UC1043379  Penstemon centranthifolius Richard M. Straw 1953-6-25 488 Riverside Santa Rosa Mountain Road , Santa Rosa Mountain Road (from Palms to Pines Hwy) 1676 Comment
  SEINET3079809 Image available Penstemon clevelandii John Adams 1965-5-9 197 Riverside San Jacinto Mountains, 3 mi above Banning on road toward Idyllwild. 1067 Comment
  RSA263751  Penstemon heterophyllus var. australis E. W. Lathrop 1968-5-17 6892 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 1082 Comment
  RSA402126  Penstemon labrosus H. E. Hasse 1892-7-4 s.n. Riverside San Jacinto. Comment
  RSA401811  Penstemon spectabilis Martha Hilend 1928-4-8 170 Riverside Lake Elsinore, about 3 miles west of lake. Comment
  RSA420394  Penstemon spectabilis E. A. McGregor 1967-6-7 s.n. Riverside On Hwy. 71, south of Elsinor, Riverside Co. Comment
  RSA503397  Penstemon spectabilis J. D. Olmsted 1962-5-9 3603 Riverside NW grove of knobcone pines. NW ridge of Pleasants Peak. Northern Santa Ana Mts. 1128 Comment
  SD137596  Penstemon spectabilis var. spectabilis Darin L. Banks 1995-4-11 165 Riverside Cleveland National Forest; N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the Dripping Springs Trail 694 Comment
  RSA696982  Pentachaeta aurea Keith E. Hoffmaster 1937-6-6 s.n. Riverside San Jacinto Mountains. Comment
  UCR122535  Pentachaeta aurea George K. Helmkamp, E. A. Helmkamp 2001-5-20 6661 Riverside San Jacinto Mtns., 0.3 mi NW of Keen Camp Summit along CA-74 1494 Comment
  UCR122542  Pentachaeta aurea George K. Helmkamp, E. A. Helmkamp 2001-5-20 6672 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  UCR193118  Pentachaeta aurea A. C. Sanders, Tim Thomas 2008-6-20 35530 Riverside Peninsular Range; San Jacinto Mtns., May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1610 Comment
  RSA0060332  Pentagramma triangularis C. B. Wolf 1931-5-11 1959 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
  SEINET9628509 Image available Pentagramma triangularis C. L. Hitchcock, C. V. Muhlick 1964-3-17 23110 Riverside Along steep bank, 10 mi N of Pala, along road to Elsinore. Comment
  CAS-BOT-BC77482  Peritoma arborea var. angustata Philip A. Munz 1949-4-13 13042 Riverside Above Cottonwood Springs, west end Eagle Mts., Colorado Desert 1097 Comment
  RSA650938  Perityle emoryi David B. Dunn 1947-7-12 2981 Riverside Pushawalla Canyon, Indio Hills. Top of the hill on the east side. Comment
  UCR148464  Perityle emoryi John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR87854  Perityle emoryi Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  SEINET11809878  Perityle emoryi J. F. Bright, Wyman, C. 1933-1 8076 Riverside near Palm Springs Comment
  RSA675729  Petalonyx thurberi Scott D. White 2001-4-27 8420 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway ca. 15 miles east of the Indio jtn. of I-10/ SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station. 396 Comment
  UCD117313  Petalonyx thurberi Lewis S. Rose 1961-11-24 61065 Riverside La Quinta. 15 Comment
  JOTR35988  Petalonyx thurberi subsp. thurberi Harding, Mitzi, Mark Wheeler 2012-9-4 199 Riverside Joshua Tree National Park. Pinto Basin; active wash between rocky/ gravelly hills west of Pinto Mtn (stop 3) 479 Comment
  UC217891  Petunia parviflora P. A. Munz and I. M. Johnston 1922-5-5 5156 Riverside near Moreno (Mystic Lake); Mystic Lake Comment
Read comments
Mar 20 2011
  HSC25834  Peucephyllum schottii Richard Spjut 1972-2-1 2074 Riverside Colorado Desert: Southern end of the Eagle Mts.; Eagle Mt. Rd. and other sandy roads ca. 3 to 6 mi. N of Desert Center Comment
  SEINET2054222 Image available Peucephyllum schottii Jenifer Williams 1965-3-27 Riverside Colorado Desert, Corrizo Canyon, S of Palm Desert. 152 Comment
  UC1007199  Peucephyllum schottii Philip A. Munz 1940-3-23 15664 Riverside road to Dale to Cottonwood Springs (s base of Pinto Mts.); Pinto Mts. 609 Comment
  UCR22488  Peucephyllum schottii C. S. Jones 1979-2-24 07 Riverside Sonoran (Colorado) Desert, 1 mile southeast of Eagle Mountain, on old Eagle Mtn. Road 351 Comment
  UCR43489  Peucephyllum schottii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54079 Riverside San Bernardino Mtns., Branch ravine running W from Whitewater Canyon, west of road and c. 3.2 miles north of hwy 10 and Whitewater P.O. 610 Comment
  NY1058215  Phacelia ambigua N. H. Holmgren 1974-3-23 7464 Riverside Box Canyon wash, 11.4 (9 airline) miles east-northeast of Mecca 244 Comment
  POM13312  Phacelia ambigua E. C. Jaeger 1921-5-20 1076 Riverside Palm Springs. Comment
  POM259713  Phacelia ambigua P. A. Munz 1940-3-23 15667 Riverside South base of Pinto Mountains, road Dale to Cottonwood Springs. 610 Comment
  RSA427711A  Phacelia ambigua Robert Gustafson 1983-3-27 2489 Riverside Near mouth of fairly steep-walled canyon southwest of Lake Cahuilla Comment
  RSA554209  Phacelia ambigua Theo Glenn 1991-5-15 91 -43 Riverside Sonoran (Colorado) Desert Little Maria Mountains, NW of Blythe. 351 Comment
  RSA769029  Phacelia brachyloba E. W. Lathrop 1968-5-30 6939 Riverside Main divide truck trail between El Carriso and Santiago Peak; Cleveland National Forest 1220 Comment
  UCR111556  Phacelia brachyloba Mitch Provance 1999-5-4 1704 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA775500  Phacelia campanularia Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4473 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  UCD120285  Phacelia campanularia William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCSB38663  Phacelia campanularia Cowan, Clark 1978-4-25 Riverside 6.7 mi. (10.7 km.) SW on 74 from jct. with 71, 4.6 mi. (7.3 km.) from Lake Elsinore, Santa Ana Mts. Cleveland Nat. F. Comment
  RSA0018546  Phacelia campanularia Joan Stewart 2004-4-24 s.n. Riverside Lost Horse Campground, JTNP [Joshua Tree National Park] Comment
  JOTR34190  Phacelia campanularia subsp. campanularia La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2984 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  UCR123753  Phacelia campanularia subsp. campanularia Steven R. Hill 2001-4-29 33529 A Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  JEPS2205  Phacelia campanularia subsp. vasiformis W. L. Jepson 12551 Riverside n Mecca; Colorado Desert, Eagle Mts., Cottonwood Spr. 487 Comment
  POM178002  Phacelia campanularia subsp. vasiformis Marcus E. Jones 1930-3-15 26506 Riverside Eagle Mountains. Comment
  UC666577  Phacelia campanularia subsp. vasiformis Harlan Lewis and Carl Epling 1942-4-26 1606 Riverside Morongo Wash Comment
  CLARK-A1528-5435  Phacelia crenulata John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  CLARK-A1528-5437  Phacelia crenulata John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  RSA0031551  Phacelia crenulata Duncan S. Bell 2013-1-30 4441 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills peak 1642. 138 Comment
  UCR148465  Phacelia crenulata John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR16832  Phacelia crenulata W. C. Anderson 1968-4-22 680422- 9 Riverside Sonoran (Colorado) Desert, 2 mi. south of Cottonwood Guard Station, Joshua Tree National Monument [now Park] Comment
  RSA0043224  Phacelia crenulata var. ambigua Duncan S. Bell 2010-4-2 694 Riverside Arica Mountains: collecting along the ridgeline of the mountain range about 0.3 air mile north of the summit. 561 Comment
  SJSU11240  Phacelia crenulata var. ambigua T. N. Seeno 1963-4-12 279 Riverside Sky Valley 10 mi N of Palm Springs 426 Comment
  UCR72243  Phacelia crenulata var. ambigua Theo Glenn 1991-5-30 91- 115 Riverside Sonoran (Colorado) Desert, Mule Mtns, 0.2 mi. east of the Opal Hill Mine, just north of the Imperial County line and west of Palo Verde 200 Comment
  UC668398  Phacelia curvipes Annie M. Alexander and Louise Kellogg 1941-4-24 2080 Riverside gorge of Dry Morongo Morongo Valley 640 Comment
  RSA426224  Phacelia distans Christopher Davidson 1973-4-19 1998 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree. 1220 Comment
  RSA426249  Phacelia distans Martha Hilend 1928-3-11 83 Riverside Morongo Valley, Colorado Desert. Comment
  SBBG37493  Phacelia distans R. N. Muller 1967-5-5 Riverside UC Riverside campus on S side of first E-W ridge of irrigation reservoir, in open grassy areas Comment
  UC56705  Phacelia distans Geo. R. Hall 1901-3-17 Riverside Riverside 304 Comment
  UCD120424  Phacelia distans L. F. Robbins 1929-3-27 s.n. Riverside Near Banning. Comment
  VVC267  Phacelia distans A. C. Sanders 1997-5-4 20641 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
  JOTR33961  Phacelia fremontii La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2847 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  RSA428086  Phacelia minor Christopher Davidson 1973-4-1 1794 Riverside Agua Tibia Mountains. Highway 71/79 approximately 7 miles from junction of US 395 South. 412 Comment
  RSA428297B  Phacelia minor M. B. Dunkle 1933-4-5 3375 Riverside Jack Rabbit Trail 915 Comment
Read comments
Mar 21 2011
  RSA519232  Phacelia minor Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA602235  Phacelia minor R. S. Woglum 1934-3-18 645 Riverside Peninsuar Ranges: San Jacinto Mountains, Coachella Valley, Snow Creek. Comment
  UCR258750  Phacelia minor T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7915 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 0.6 mi north of Hwy 15 and Temescal Canyon 476 Comment
  UCR98689  Phacelia minor S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  GMDRC9378  Phacelia neglecta J. M. Andre 2017-3-4 37181 Riverside Big Maria Mountains: along west side of US Hwy 95 30.5 mi. south of Vida Jct, at road to Blythe itaglios (ancient geoglyphs) 95 Comment
  SBBG29878  Phacelia pedicellata E. Braunton 1940-4-3 2020 a Riverside Berdoo Cyn, 10 mi E of Indio 304 Comment
  CAS-BOT-BC144999  Phacelia ramosissima var. latifolia Marcus E. Jones 1926-7-20 s.n. Riverside 20 miles north of Idyllwild Comment
  CAS-BOT-BC145001  Phacelia ramosissima var. latifolia John Thomas Howell 1927-8-2 2906 Riverside A few miles south of Banning on road to Strawberry Valley of Mt. San Jacinto 670 Comment
  RSA645684  Phacelia ramosissima var. latifolia Scott D. White 1999-5-24 7374 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi W of I-215 freeway. 442 Comment
  SDSU13608  Phacelia ramosissima var. latifolia W. Miller with C. Mosse 1972-7-11 Riverside On trail southeast of dam by main road. Comment
  UCSB16950  Phacelia vallis-mortae Lean, Jr., Steve 1963-5-5 Riverside Pinon Flat Campground, 21.3 miles southeast of Mountain Center, along State Highway 74 1219 Comment
  RSA515337  Phalaris minor Jeri Hirshberg 1989-5-3 s.n. Riverside Santa Rosa Plateau; S of town of Murrieta, on W side of Mesa de Burro., (Near 33 deg 31'N, 117 deg 14'W). 549 Comment
  RSA599129  Phalaris minor V. W. Steinmann, D. L. Banks 1996-4-20 840 Riverside ca. 10 km east of Temecula, along Route 79 at the junction with Los Caballos Road., ca. 33?29'N, 117?02' 30''W 375 Comment
  UCSB26802  Phlox austromontana Wilken, Dieter 1969-6-30 Riverside Santa Rosa Springs; Santa Rosa Mtns 2377 Comment
  UCR237873  Phlox gracilis Mark A. Elvin 2003-3-26 2365 A Riverside San Jacinto Mountains, Garner Valley off Fobes Ranch Rd., east of Hwy 74 1372 Comment
  JOTR32532A  Phoenix dactylifera La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2540 Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  CAS-BOT-BC219552  Pholisma arenarium James N. Clark 1926-5-16 s.n. Riverside Near Gold Coin Mine Comment
  HSC15915  Phoradendron bolleanum C. L. Hitchcock 1966-3-16 24200 Riverside Along Palms to Pines Hwy., 10 mi. S of Palm Desert Comment
  RSA0015683  Phoradendron californicum Duncan S. Bell, John Anderson, Kim Clark, Ed Howland 2013-9-29 6041 Riverside Chuckwalla Mountains; on the south side of Corn Springs Wash, approximately 3 air miles west of Corn Springs, and about 0.5 air miles south of Aztec Well. 659 Comment
  SD84924  Phoradendron californicum Nancy Ryan Zabriske, Walter Zabriskie 1971-10-24 460 Riverside southeast of turnoff to clubhouse from Andreas Canyon Club road; Andreas Canyon Watershed, east slope San Jacinto Mountains 320 Comment
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Jun 21 2013
  SEINET3073027 Image available Phoradendron californicum Dennis Kucera 1987-11-14 Riverside Malki Museum garden, E of Banning off Fields Road, Morongo Reservation. 610 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
  UC1078928  Phoradendron densum Job Kuijt 1958-3-14 1493 Riverside 11.7 mi. s. Palm Desert 975 Comment
  RSA588662  Phoradendron macrophyllum D. L. Banks, Steve D. Boyd 1995-10-17 823 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, campsite #9. Disturbed area around the campsite and campground roadway. 488 Comment
  CAS-BOT-BC171146  Phoradendron serotinum subsp. tomentosum Geo. B. Grant 1901-8-1 s.n. Riverside Strawberry Valley, San Jacinto Comment
  CAS-BOT-BC260904  Phragmites australis Aven Nelson; Ruth Nelson 1939-4-1 3370 Riverside Blythe Comment
  UCR240205  Phragmites australis C. J. Minar 1994-5-7 11 Riverside Sonoran (Colorado) Desert, Coachella Valley, east of Salton Sea near Dos Palmas Oasis -27 Comment
  UCSB71044  Phragmites australis Lambert, Adam 2007-2-18 Riverside Torres Martinez Indian Reservation. Torres Martinez Indian Reservation, near the Salton Sea Comment
  CLARK-A1528-890  Physalis acutifolia John C. Roos 1951-9-25 5263 Riverside Riverside 259 Comment
  RSA769823  Pinus coulteri E. W. Lathrop 1968-5-22 6933 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  RSA384332  Pinus flexilis George R. Johnstone 1928-9-8 s.n. Riverside Mt. San Jacinto, Calif. Wind swept timber. 3288 Comment
  UCSB150  Pinus quadrifolia Haller, John 1950-5-21 Riverside San jacinto Mtns., Hemet Valley, Palms-Pines Highway, 9 miles from Idyllwild Road 1524 Comment
  RSA221042  Piperia cooperi E. W. Lathrop 1966-5-8 6479 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA263777  Piperia cooperi R. Weatherby 1950-4-20 3055 Riverside Hagador Canyon 396 Comment
  RSA588669  Piperia elongata Darin L. Banks, Steve Boyd 1995-10-26 825 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, N of the first grassland areas along trail. Approximately 0.8 miles from the Wilderness boundary. 720 Comment
  RSA770725  Pistia stratiotes Dave Goodward 2010-10-6 s.n. Riverside Thermal, 89635 Ave. 81, west of Hwy 86 and Harrison St. -35 Comment
  UCR171211  Plagiobothrys acanthocarpus R. E. Riefner Jr. 2006-4-8 06- 106 Riverside Peninsular Range, Lake Elsinore (city), back basin of lake Elsinore west of Pete Lehr Dr. and south of levee near Diamond Stadium 419 Comment
  UCR172732  Plagiobothrys acanthocarpus John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along Benton Road, between San Diego Aqueduct right of way(Leon Road) and Hwy 79 415 Comment
  UCR266470  Plagiobothrys acanthocarpus Mitch Provance, Robin Kinmont 2015-3-27 315- 51 Riverside Perris-Aguanga Basin Region, French Valley, Leon Rd. (unmarked dirt portion), along SCE transmission route between Benton Rd. and Auld Rd. 411 Comment
  RSA666894  Plagiobothrys canescens A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24192 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
  UCR116406  Plagiobothrys canescens A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24192 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR116667  Plagiobothrys canescens A. C. Sanders, Carolyn Washburn 2001-5-10 24231 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
  UCR144753  Plagiobothrys collinus Scott D. White, Michael Honer 2003-4-2 8902 Riverside Peninsular Range, Temescal Canyon, just west of I-15 Freeway and northeast of Lawson Dr. 366 Comment
  UCR226082  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2011-4-1 38951 Riverside Peninsular Range, Lake Elsinore, old house site on hill top along Baker St. below large water tank on hill, 0.83 km NW of Hwy 74, 0.5 km SW of Elsinore Outlet Mall/Collier Ave., above Temescal wash 403 Comment
  UCR98083  Plagiobothrys collinus A. C. Sanders, G. Helmkamp 1997-3-15 19932 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  SD247371  Plagiobothrys collinus var. fulvescens A. C. Sanders, Timothy W. Chumley 2013-4-2 40735 Riverside Peninsular Range: Temescal Canyon at west side of Horsethief Canyon Rd., south of I-15 Fwy, SE of Corona Lake. 390 Comment
  RSA562489  Plagiobothrys fulvus var. campestris Steve Boyd, Tim Ross 1992-5-5 7247 Riverside Southern Santa Ana mountains, San Mateo Canyon Wilderness Area. Isolated grassland area south Oak Flats, southwest of the Bluewater Trail 732 Comment
  SBBG104067  Plagiobothrys leptocladus A. C. Sanders 1993-4-1 13671 Riverside western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St and Devonshire Ave, 3/4 mi NE of the intersection of Florida Ave (Hwy 74) and Warren Rd just S of Tres Cerritos 460 Comment
  POM287294  Plagiobothrys nothofulvus Lyman Benson 1932-3-26 3176 Riverside Temecula Grade. Temecula Valley. 549 Comment
  SDSU13679  Plagiobothrys nothofulvus Jutta Buschbom 1991-5-1 45 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
  UCR162821  Plagiobothrys nothofulvus Jeri Hirshberg 1989-3-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta; small mesa SW of Mesa de Burro 579 Comment
  POM287591  Plagiobothrys tenellus Lyman Benson 1932-3-26 3175 Riverside Temecula Grade. Temecula Valley. 549 Comment
  UCR138141  Plagiobothrys tenellus D. L. Banks, V. W. Steinmann 1997-3-13 1447 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  RSA660451  Plantago elongata subsp. pentasperma A. C. Sanders, K. C. Rose 1998-5-21 21862 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  RSA675021  Plantago erecta Scott D. White, Tasha La Doux 2000-4-23 7717 Riverside Perris/San Jacinto Basin: Winchester/Hemet area. Unnamed hills just S of Lakeview Mts. South of Hwy 74 and E of Hwy 79. 473 Comment
  UCR113136  Plantago erecta A. C. Sanders 1998-3-11 21674 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  UC1922394  Plantago ovata Naomi Fraga, Lisa Rojas 2005-2-10 1353 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  SD260098  Plantago ovata var. fastigiata J. Andre 2012-4-11 20779 Riverside Joshua Tree National Part; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. At interface of steep rocky hills and large wash. 729 Comment
  UCSB6247  Plantago ovata var. fastigiata Haller, John 1960-4-2 Riverside south side of U.S. highway 60-70; 5.8 miles east of Desert Center 243 Comment
  RSA771680  Plantago patagonica Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4987 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 750 Comment
  RSA588170  Platanus racemosa D. L. Banks, Victor W. Steinmann 1995-7-10 748 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. In major drainage that flows off NW flank of Wildhorse Peak. 610 Comment
  RSA601098  Platanus racemosa A. C. Sanders 1996-5-1 18140 Riverside San Bernardino Mtns: Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning 793 Comment
  SEINET10620967  Platanus racemosa Greg Gust, Leith Nye 2005-3-12 Gust 557 Riverside Cleveland National Forest. Hwy 74 west of lower San Juan Picnic Area at pullout W side of Santa Ana Mountain Range. 495 Comment
  POM169735  Platystemon californicus Lyman Benson 1932-3-26 s.n. Riverside 3 miles N [of] Temecula. 457 Comment
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Jun 16 2012
  JOTR30071  Pleuraphis rigida La Doux, Tasha, Bill Truesdell 2006-10-3 1714 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  RSA336042  Pleuraphis rigida R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52021 Riverside Chino Canyon Comment
  RSA787592  Pleuraphis rigida Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks, Malia Volke 2010-4-22 166 Riverside McCoy Wash. N of I-10. Rd going N from Black Rock Rd. S side of private land boundary. 244 Comment
  RSA472090  Pleurocoronis pluriseta Albert J. Perkins 1916-4-19 s.n. Riverside Palm Springs. Comment
  RSA709904  Pleurocoronis pluriseta Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4607 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA0117145  Pluchea sericea Mitchell Provance 2012-9-5 912 -12 Riverside Beaumont Plateau: City of Beaumont, lower reaches of Potrero Creek, adjacent to Four Seasons Development, west side of Highland Springs Ave., 1.1 miles south of the I-10 freeway. 762 Comment
  UCR173156  Pluchea sericea Abby Sirulnik 2000-4-15 08 Riverside Sonoran (Colorado) Desert; Imperial Valley, Near Mecca, along Calif. Hwy 195, c. 1 mi west of intersection with Calif. Hwy 111 58 Comment
  UCD90292  Poa annua Alan A. Beetle 1946-6-10 4402 Riverside San Jacinto Mt., Camp Keene Meadow. Comment
  RSA526166  Poa annua Steve Boyd, Timothy S. Ross 1990-5-11 4669 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UCR20815  Poa secunda A. C. Sanders, Steve Boyd 1980-4-17 1340 Riverside San Jacinto Mtns, Pine Meadow in upper Garner Valley 1433 Comment
  UC1280824  Polygala acanthoclada Annie M. Alexander and Louise Kellogg 1941-5-24 2195 a Riverside 1 1/2 mi n Cottonwood Spring (Eagle Mountains); Eagle Mountains 975 Comment
  RSA466335A  Polygonum hydropiperoides J. Ewan 1931-10-3 5211 Riverside Santa Ana River, 4 mi. NW if Corona. Comment
  RSA463111  Polygonum lapathifolium Steve Myers 1987-6-24 s.n. Riverside Murrietta Creek, at confluence with Temecula Creek, near the town of Murrieta. 290 Comment
  UCR93206  Polygonum lapathifolium Scott D. White 1995-7-7 3453 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  RSA526088  Polypogon interruptus Steve Boyd, Timothy S. Ross 1990-5-11 4661 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UCR2727  Polypogon monspeliensis F. M. Reed 1903-12-13 414 Riverside South Coast; San Bernardino Valley, Riverside, near natural bridge in Arroyo Chico [Terraces Ranch, 547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  CAS-BOT-BC237462  Polypogon viridis John Thomas Howell 1959-9-26 35069 Riverside San Jacinto Mountains: Bautista Canyon 951 Comment
  LA206340  Polypogon viridis A. M. Johnson; 1937-11-26 113 Riverside rd to Anza Comment
  IRVC165  Polystichum imbricans subsp. curtum Don Pfirrmann 1965-4-24 HS 550 Riverside Highway 74; 1/4 mile SE of Sven Camp summit. Comment
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Mar 30 2014
  RSA191416  Populus fremontii E. W. Lathrop, Robert F. Thorne 1967-9-26 6646 Riverside 6 miles NW of Murrieta. Comment
  UCR22140  Populus fremontii Steve Boyd 1980-5-17 290 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  SBBG125914  Populus fremontii subsp. fremontii L. Gross with B. O'Brien 2013-3-18 5951 Riverside Fairmount Park, W side of Lake Evans, NE of Mount Rubidoux 238 Comment
  SD229277  Populus fremontii subsp. fremontii Dick Schwenkmeyer 2012-11-6 879 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  CLARK-A1528-2063  Porophyllum gracile John C. Roos 1946-11-30 3169 Riverside Chuckwalla Mountains Comment
  RSA561813  Porophyllum gracile Steve Boyd 1992-4-14 6830 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  RSA71577  Portulaca halimoides J. C. Roos, Roos 1952-10-18 5900 Riverside Hidden Valley Campground 1220 Comment
  POM48191  Potentilla gracilis var. fastigiata Mary F. Spencer 1919-7-1 1370 Riverside Idyllwild. 1616 Comment
  SBBG16213  Proboscidea althaeifolia L. Rowntree 1937-11-4 Riverside near Corn Springs Comment
  SFV3474  Proboscidea althaeifolia G. E. L. Rowntree, H. Dearing 1825, M. Dearing 1937-11-4 s. n. Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash near Corn Springs. Between Desert Center and Blythe. 490 Comment
  UCR115127  Proboscidea louisianica Mitch Provance 2000-10-28 2282 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  UCR240204  Prosopis glandulosa C. J. Minar 1994-5-7 12 Riverside Sonoran (Colorado) Desert, Coachella Valley, east of Salton Sea near Dos Palmas Oasis -27 Comment
  UCR272191  Prosopis glandulosa var. torreyana Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8554 Riverside Santa Rosa Mountains, Horsethef Creek, south of Cactus Spring Trail 1064 Comment
  SEINET2442086  Prosopis juliflora Fred D. Johnson 1962-1-2 6203 Riverside Tahquitz Canyon near Palm Springs. 140 Comment
  SD229258  Prunus emarginata Dick Schwenkmeyer 2012-9-20 836 Riverside Taquitz Valley Camp, 2.5 mi. east (via trail) of Humber Park, Idyllwild. 2502 Comment
  CAS-BOT-BC158289  Prunus fasciculata var. fasciculata N. Dunn; A. M. Martin 1932-3-26 s.n. Riverside Cottonwood Spring Comment
  RSA336035  Prunus fremontii Robert F. Thorne, A. Shmida, R. Whittaker 1978-4-23 52068 Riverside Along Palms to Pines Highway, N slope of Santa Rosa Mts. Comment
  SBBG71044  Prunus fremontii R. C. and J. R. Robbins 1933-2-15 Riverside Tahquitz Cyn Comment
  RSA757797  Prunus ilicifolia subsp. ilicifolia LeRoy Gross, Jackie McConnaughy, Andrew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4290 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
  CAS-BOT-BC356334  Psathyrotes ramosissima Lewis S. Rose 1959-1-12 59010 Riverside Cathedral City 121 Comment
  UC963832  Psathyrotes ramosissima Helen K. Sharsmith 1952-4-11 4063 Riverside 7 mi s Highway 60-70 (nw base of Chuckawalla Mountain); Colorado Desert, Chuckawalla Mountains 533 Comment
  SD136918  Pseudognaphalium leucocephalum Steve Boyd 1994-10-14 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area of the Cleveland National Forest. 305 Comment
  RSA596145  Pseudognaphalium luteoalbum D. L. Banks 1996-11-7 1193 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation, approximately 150 m NW of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 472 Comment
  RSA674934  Pseudognaphalium stramineum Scott D. White 2000-5-30 7970 Riverside Corona Foothills: ca. 1 mi SE of the I-15/El Centro Rd jtn. Adv to new housing construction. Alluvial terraces with steep, incised channels. 335 Comment
  SEINET10530886  Pseudotsuga macrocarpa David B. Dunn, L. S. McClung 1939-10-22 Dunn UMO 46547 Riverside Collected in the San Jacinto Mts. above Idylwild. At the base of the trail to Taquitz Peak. 2286 Comment
  CAS-BOT-BC361783  Psilocarphus brevissimus var. brevissimus Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37436 Riverside Santa Rosa Plateau: Mesa de Colorado 670 Comment
  JOTR33858  Psilostrophe cooperi La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2711 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  CHSC845  Psorothamnus arborescens var. minutifolius M. Anthony 1954-4-15 Riverside Comment
  CAS-BOT-BC353577  Psorothamnus arborescens var. simplicifolius David Dreyer 1971-4-3 194 Riverside ca. 1 miles south of junction of Highway 62 and Indian Ave., north of Indio Comment
  UCR263240  Psorothamnus arborescens var. simplicifolius A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41480 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
  LA205190  Psorothamnus emoryi S. Atsatt; 1926-4-17 sn Riverside Palm Springs Comment
  RSA0106712  Psorothamnus emoryi Duncan S. Bell 2011-9-30 2945 Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  RSA403990  Psorothamnus emoryi Louis C. Wheeler 1931-11-26 392 Riverside Salton Sea, 2 miles SE Salton Bench Mark. -76 Comment
  SEINET2063866 Image available Psorothamnus emoryi P. Leary 1975-4-27 1115 Riverside One mile SE of Pinto Wells, Joshua Tree National Monument. 365 Comment
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Dec 3 2014
  UC555344  Psorothamnus emoryi Herbert L. Mason 1928-3-10 4195 Riverside White Water River Comment
  UCD108371  Psorothamnus schottii Marian L. Vincent; Richard H. Swade 1963-10-19 467 Riverside On California State Hwy. 74 ca. 6 miles south of Palm Desert. Comment
  RSA404273  Psorothamnus spinosus Christopher Davidson 1974-6-15 2292 Riverside Interstate 10, ca. 5 mi. E of Chiriaco Summit. 457 Comment
  RSA404277  Psorothamnus spinosus Anstruther Davidson 1928-5-1 s.n. Riverside Colorado Desert. Comment
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Feb 11 2014
  UC154566  Psorothamnus spinosus Rensselaer J. Smith May 1904 Riverside White Water 396 Comment
  RSA798605  Pteridium aquilinum var. pubescens R. F. Thorne, E. W. Lathrop 1977-5-18 49759 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  UCR35110  Pterospora andromedea L. B. Ziegler 1970-6-28 409 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon) 1677 Comment
  RSA392934  Pterostegia drymarioides T. L. Secrest 1948-4-7 s.n. Riverside 5 miles below Whitewater. Comment
  RSA392935  Pterostegia drymarioides J. D. Olmsted 1962-5-10 3654 Riverside Crest between Sandia Creek and DeLuz Creek drainages. 259 Comment
  SD181375  Pterostegia drymarioides Rashmi Pant, Darin Banks 1996-5-1 1016 Riverside Cleveland National Forest: along the Cutca Trail, E of the Cutca Valley, ca. 0.5 miles W of the Aguanga Trail junction Comment
  UCR116924  Pterostegia drymarioides A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24221 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  JOTR30779  Purshia tridentata var. glandulosa La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1889 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 7) Covington Flats near top of Smith Water Canyon 1365 Comment
  JOTR35439  Purshia tridentata var. glandulosa Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 45 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop1) Comment
  SD67914  Pyrola picta f. aphylla Reid Moran 1968-8-3 15367 Riverside under firs, north slope 1 mile west of summit, Santa Rosa Mtn. 2150 Comment
  HSC101774  Quercus X acutidens J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13187 Riverside Along State Route 74 1227 Comment
  RSA0127036  Quercus agrifolia Tom Scott 2011-04 2011 -581 Riverside San Bernardino Mtns: south side of mountains along Mias Canyon Rd., c. 0.5 mile north of Bluff St., north of Banning. 863 Comment
  UCR270172  Quercus agrifolia A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42389 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  RSA588676  Quercus agrifolia var. agrifolia D. L. Banks, Steve D. Boyd 1995-10-26 833 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, S of the first grassland. Approximately 0.7 miles from the Wilderness boundary. 713 Comment
  UCR161944  Quercus agrifolia var. oxyadenia Mike Misenhelter 2005-9-9 s.n. Riverside San Bernardino Mtns., northeast of intersection of Basil Lane and Butterfly Drive, just south of Wildwood Canyon Road, north of Cherry Valley 1052 Comment
  RSA180379  Quercus berberidifolia E. W. Lathrop 1965-4-4 5643 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  UCR250002  Quercus berberidifolia Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end 716 Comment
  UCR260589  Quercus berberidifolia A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41558 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Canyon NW of Horsethief Canyon Rd. along DePalma Rd., SE of Glen Eden Rd. and south of the east end of Lee (Corona) Lake, south side of I-15 370 Comment
  UCR271512  Quercus berberidifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8349 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  RSA526499  Quercus chrysolepis Steve Boyd, T. S. Ross 1990-5-11 4694 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  RSA192168  Quercus engelmannii E. W. Lathrop 1965-4-4 5645 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  RSA39266  Quercus engelmannii P. A. Munz 1946-10-18 11559 Riverside On grade 0.5 mile south of Sage 716 Comment
  SFV889  Quercus kelloggii P. G. Kilburn 1958-5-30 830 Riverside San Jacinto Mountains Mount San Jacinto, 5 miles north of Idlewild. Fern Basin Campground. 1890 Comment
  RSA336408  Quercus turbinella Robert F. Thorne, A. Shmida, R. Whittaker 1978-4-23 52081 Riverside Bighorn Lookout: Santa Rosa Mountains. Comment
  UCR166153  Quercus wislizeni T. B. Salvato, John F. Green 2004-5-27 561 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  RSA85444  Quercus wislizeni var. frutescens J. C. Roos 1952-4-13 5518 Riverside Box Springs Mtns. 518 Comment
  SD211611  Quercus wislizeni var. frutescens R. E. Riefner Jr. 2006-10-11 06 530 Riverside East of Rainbow Canyon, North of Rainbow Heights, Termite's Hike Trail 594 Comment
  SDSU13980  Quercus wislizeni var. frutescens Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2107 Riverside Just south of wet meadow region. Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  UCD95012  Quercus wislizeni var. frutescens R. E. Riefner Jr. 2006-10-11 06- 530 Riverside E of Rainbow Canyon, N of Rainbow Heights, Termite's Hike Trail. 595 Comment
  RSA220971  Rafinesquia californica E. W. Lathrop 1966-5-8 6405 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
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Apr 28 2011
  HSC28057  Rafinesquia neomexicana Richard Spjut 1973-4-6 3273 Riverside Colorado Desert, 4-5 mi. N of Palm Springs on Indian Ave. 152 Comment
  RSA472421  Rafinesquia neomexicana N. C. Cooper 1944-3-25 1038 Riverside Morongo Pass. 457 Comment
  SBBG8700  Rafinesquia neomexicana H. and M. Dearing 1937-4-10 2865 Riverside ca. 16 mi N of Indio Comment
  CAS-BOT-BC379420  Ranunculus alismifolius var. alismellus H. E. Parks 1892-7-2 s.n. Riverside San Jacinto Mountains, Tanquity Meadows Comment
  SD186312  Ranunculus californicus Andy C. Sanders 2004-4-20 27558 Riverside Santa Ana Myns.: Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego County line 640 Comment
  UC827712  Ranunculus cymbalaria var. saximontanus Crawford and Johnston 1917-6-9 1219 Riverside near Corona; Santa Ana River Comment
  SBBG128811  Ranunculus muricatus O. F. Clarke 2010-4-16 Riverside O.F.Clarke residence, 266 Frost Court, Riverside, E edge of UCR campus 351 Comment
  UCR97753  Rhamnus alaternus A. C. Sanders 1997-3-1 19726 Riverside Riverside: E side of University of California campus. 335 Comment
  OBI8076  Rhamnus crocea David J. Keil, Malcolm McLeod 1977-3-26 12020 Riverside 9 mi E of jctn with i-15 along Calif 79 518 Comment
  RSA543204  Rhamnus crocea Steve Boyd 1991-3-17 5481 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
  RSA180279  Rhamnus ilicifolia E. W. Lathrop 1965-9-22 6015 Riverside 8 miles west of Murrieta. Comment
  RSA628256  Rhamnus ilicifolia B. Schwenn 1998-9-27 s.n. Riverside Santa Rosa Mtns: San Bernardino National Forest, Catus Spring Trail, where trail crosses Horsethief Creek. 1341 Comment
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Mar 1 2014
  UCR49776  Rhamnus ilicifolia B. G. Pitzer, A. C. Sanders 1987-4-21 494 Riverside Box Spring Mountains, near southernmost radio towers 793 Comment
  UC456171  Rhododendron occidentale I. J. Condit 1910-6-23 Riverside San Jacinto Mountains 2590 Comment
  CAS-BOT-BC167935  Rhus ovata Munz; Harwood 1920-2-28 3263 Riverside 2 mi. S.W. of Corona 304 Comment
  UC1130518  Rhus ovata A. Lewis 1933-2-2 151 Riverside Lewis Valley 701 Comment
  UC472805  Rhus ovata Mary F. Spencer Aug 1925 287 Riverside Idyllwild; San Jacinto Mountains 1524 Comment
  UC195328  Rhus trilobata S. B. Parish 1906-5-13 10839 Riverside Cottenwood Spring; Colorado Desert Comment
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Sep 4 2011
  UCR244389  Rhus trilobata Jim Andre 2012-4-16 20970 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  RSA221024  Rhus trilobata var. anisophylla E. W. Lathrop 1966-3-30 6130 Riverside Mail Divide Truck, Trail between El Carriso and Santiago Peak, Cleveland Nat l Forest 1220 Comment
  UC1719478 Image available Ribes canthariforme D. Atwood 1993-3-26 17667 Riverside Santa Ana Mountains; 1.5 mi S of Lake Elsinore, along Hwy 74 670 Comment
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Jan 11 2017
  POM12861  Ribes cereum P. A. Munz 1922-6-28 5878 Riverside Ridge west of Toro Peak. 2409 Comment
  RSA489835  Ribes cereum D. Charlton 1988-5-28 2133 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2287 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
  UCD102262  Ribes indecorum Steve Boyd; Tim Ross, Laurel Arnseth 1989-4-2 3191 Riverside Vail Lake area, W end of bench on S flank of Oak Mtn. 548 Comment
  UCR160774  Ribes malvaceum A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19772 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  RSA441493  Ribes malvaceum var. viridifolium Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA673630  Ribes malvaceum var. viridifolium Scott D. White, Tasha LaDoux 2000-4-20 7686 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  POM307246  Ribes nevadense Henry J. Ramsey, Mrs. Ramsey 1937-5-22 2243 Riverside Santa Rosa Mountains Comment
  UCR174955  Ribes nevadense Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 354 Riverside Peninsular Ranges; San Jacinto Mtns., Parking lot and stream below parking lot on Calif. Hwy 243 across road from Lake Fulmor 1616 Comment
  UC219170  Ribes roezlii P. A. Munz and I. M. Johnston 1922-5-19 5395 Riverside Keen Camp San Jacinto Mts. 1463 Comment
  CAS-BOT-BC186238  Ribes roezlii var. roezlii Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  UCR59924  Romneya coulteri Ed LaRue 1989-4-26 s.n. Riverside Lake Elsinore, 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons 488 Comment
  RSA692223  Rorippa curvipes var. truncata Scott D. White 2003-10-9 9818 Riverside Pine Cove. Lily Creek just north of crossing at Hwy 243. 1738 Comment
  SDSU12269  Rorippa nasturtium-aquaticum Jeremy Mass, Ryan Jacobsen 2000-4-19 18 Riverside Growing in Stone Creek near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 251 Comment
  UCR216238  Rorippa nasturtium-aquaticum Mike Bell 2008-4-27 049 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 538 Comment
  RSA727336  Rorippa palustris subsp. occidentalis Fred M. Roberts, Sandra Leatherman 2007-9-19 6587 Riverside Santa Ana Canyon: Santa Ana River, across from Green River Golf Course, 0.15 km W Green River Road Bridge. 128 Comment
  POM122702  Rosa californica Marcus E. Jones 1926-6-20 s.n. Riverside Near Idyllwild Comment
  POM1503  Rosa californica Jenkins, L. T. Street 1917-5-30 s.n. Riverside San Jacinto Canyon. Comment
  SEINET892305  Royena microphylla Steve Morgan 1995-1 Riverside Riverside: UCR Botanic Garden, south edge of the garden at the dge between the South African and Australian sections Comment
  UC64525  Rubus parviflorus H. M. Hall 1897-6-17 673 Riverside San Jacinto Mountains 1615 Comment
  SEINET10542871  Rubus parviflorus David B. Dunn 1946-8-17 Dunn 2732 Riverside Round meadow dry hillside among lodge pole pines. San jacinto mountains Comment
  SD122869  Rumex conglomeratus Steve Boyd 1985-7-23 1005 Riverside De Luz Rd., 5.5 mi. west of Rancho California. 395 Comment
  POM10265  Rumex conglomeratus F. M. Reed 1904-6-5 s.n. Riverside Fairmont Park. Comment
  UCR271684  Rumex dentatus Mitch Provance 2011-7-4 17179 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
  UCR88577  Rumex hymenosepalus A. C. Sanders, J. C. Lyman 1995-4-16 16563 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  CAS-BOT-BC433962  Rumex salicifolius A. C. Sanders; K. C. Rose 1999-6-18 22828 Riverside Domenigoni Valley: upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester. 433 Comment
  UC2062973  Rumex salicifolius Anna Kostikova with Glen Litsios, Sarah Burgy, Steve Boyd 2010-6-20 69 Riverside Santa Ana Mountains: Margarite road further down to the valley after turn towards Robcar Road. Comment
  UCR167978  Rumex salicifolius T. B. Salvato, John F. Green 2004-5-27 652 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
  UCR194222  Rumex salicifolius Scott D. White, Angelia Carey 2004-6-4 10480 B Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR23254  Rumex salicifolius var. denticulatus John C. Roos 1952-5-26 5719 Riverside Haas' Ranch, Reche Canyon 457 Comment
  RSA444472  Rupertia physodes J. C. Roos 1960-5-30 s.n. Riverside Santa Ana Mountains: Ridge N of Bedford Peak with Calochortus albus, semi shade 1220 Comment
  POM13991  Salazaria mexicana P. A. Munz 1922-4-9 4885 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  UC469686  Salix exigua F. R. Fosberg 1930-3-9 S 1550 Riverside almost on San Bernardino Co. line Mission Creek Canyon; Little San Bernardino Mts. 800 Comment
  UCR171899  Salix exigua 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
  UCR92270  Salix exigua Scott D. White 1995-8-23 3571 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
  RSA0013520  Salix exigua Joan Stewart 1998-05 696 Riverside Big Morongo Preserve Comment
  SD1014  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 600 Riverside East side of the bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 239 Comment
  SD1019  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 239 Comment
  SDSU13350  Salix exigua var. hindsiana Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 29 Riverside Santa Margarita Ecological Reserve (SDSU). Near the center of the canyon, near the pipe line crossing. 239 Comment
  CAS-BOT-BC108102  Salix gooddingii Mrs. J. D. Abrams 1901-5-20 s.n. Riverside Elsinore Comment
  CAS-BOT-BC108110  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside Foot of east slope of Santa Rosa Mts., in Diablo Canyon, 3 m. above its mouth, near Clary's Coral Reef Ranch, Colorado Desert Comment
  HSC82997  Salix laevigata N. M. Fellows 1985-3-3 78 Riverside Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of San Jacinto Mtns., l mi. W of Snow Creek Village 489 Comment
  POM177828  Salix laevigata Marcus E. Jones 1930-3-2 s.n. Riverside Corona. Comment
  SD44532  Salix laevigata W. A. Setchell, Victor Duran 1935-4-17 8 b Riverside Fourteen miles from Hemet on road to Aguanga Comment
  RSA741186  Salix lasiolepis Scott D. White, Justin M. Wood 2008-6-16 12120 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  UC1178573  Salix lutea Peter Kamb 1949-5-8 1406 Riverside Hall Canyon San Jacinto Mts., Hall Canyon 1645 Comment
  UC23640  Saltugilia australis A. J. McClatchie April 1892 38 Riverside near Elsinore; near Elsinore Comment
  RSA0094568  Saltugilia australis G. H. True 1935-3-19 131 Riverside 6 mi SE of Perris. Gully, rocky hillside. 488 Comment
  JOTR34201  Saltugilia latimeri La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2993 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  RSA67079  Saltugilia splendens Verne Grant, Alva Grant 1951-4-7 15984 Riverside Below Morongo Valley on road to White Water 732 Comment
  RSA145206  Salvia apiana Alice Ann Webb, E. A. Phillips 1961-4-4 794 Riverside Palms to Pines Hwy. 915 Comment
  RSA192106  Salvia apiana E. W. Lathrop 1966-6-9 4952 Riverside 14 miles W of Murrieta. Comment
  SDSU12262  Salvia apiana Jeremy Mass, Ryan Jacobsen 2000-4-19 8 Riverside Roadside along Stone Creek near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 222 Comment
  UC218131  Salvia apiana P. A. Munz 1922-6-26 5828 Riverside s slope Santa Rosa Mts. 1706 Comment
  UCR123873  Salvia apiana Steven R. Hill 2001-4-29 33536 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  UCR252524  Salvia apiana J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  OBI42662  Salvia carduacea B. Pitzer & K. Kirtland, K. Kirtland 1986-5-7 s.n. Riverside Butterfield Stage Ranch dev, in the hills on the N side of Pauba Valley, in the Rancho Calif area, 1mi S of Buck Mesa on the E side of Butterfield Stage Rd. T7S, R2W, sec 36 457 Comment
  SD143868  Salvia columbariae A. C. Sanders 1997-3-1 19713 Riverside Box Spring Mts., Coyote Hill, (Bench Mark Versity,1386 Ft) and Ridge S & SE of the UCR Botanic Garden 422 Comment
  SEINET241493  Salvia columbariae A. C. Sanders, Mitch Provance; T. B. Salvato 2001-4-6 23922 Riverside Western Colorado Desert: Coachella Valley, Desert Hot Springs, N of intersxn of Pierson Blvd & Atlantic, N of flood ditc 347 Comment
  UCR102701  Salvia columbariae B. G. Pitzer 1998-1-24 3384 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
  RSA356609  Salvia eremostachya Robert F. Thorne 1966-10-15 41814 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  UC883902  Salvia eremostachya B. D. Stark 1933-5-13 Riverside 8 mi up Palms to Pines Highway; San Jacinto Mts. 1219 Comment
  UCSB8075  Salvia eremostachya MacLean, S. 1963-5-6 Riverside Calif Hwy 74; 10.2 miles SW of Palm Desert 637 Comment
  UCR241123  Salvia greatae Petra Wester 2004-6-3 499 Riverside Sonoran (Colorado) Desert, dirt road [Bradshaw Trail] between Orocopia and Chocolate mountains 240 Comment
  RSA543305  Salvia mellifera Steve Boyd 1991-3-17 5491 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
  SEINET272395  Salvia mellifera A. C. Sanders, G Helmkamp 1997-3-15 19926 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills 549 Comment
  UCD125585  Salvia mellifera K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  UCR89858  Salvia mellifera Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3325 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  CLARK-A1528-3122  Salvia mohavensis John C. Roos 1965-6-23 Riverside Lost Palms Canyon Comment
  JEPS62763  Salvia mohavensis Marjorie Clary 1931-11-29 652 Riverside Eagle Mountains Comment
  RSA0121026  Salvia vaseyi Duncan S. Bell, LeRoy Gross 2016-3-29 9112 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  SFV3229  Salvia vaseyi P. G. Kilburn 1958-5-16 802 Riverside San Jacinto Mountains 5 miles south of Palm Desert on Palms-Pines Highway (Highway 74). 915 Comment
  SDSU13913  Sanicula arguta Michael G. Simpson, A. Russell, T. Linz, & C. Guilliams 2000-4-2 2067 Riverside Santa Margarita Ecological Reserve (SDSU), ca. 1/4 mile west of northern gate for Northside field station, along 'insect trail.' Ca. 3 miles northeast of Gavilan Mtn. 396 Comment
  UCR117321  Sanicula arguta A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 732 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR120962  Sanicula arguta A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23889 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  POM113415  Sanicula tuberosa J. B. Feudge 1926-4-10 1368 Riverside Reche Canyon. 610 Comment
  UCR34989  Sanicula tuberosa L. B. Ziegler 1970-5-14 403 Riverside San Jacinto Mtns, above Hemet Valley on flat top of Pleistocene alluvium 1585 Comment
  LA202877  Sarcostemma cynanchoides subsp. hartwegii Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  JEPS22636  Sarcostemma hirtellum Rimo Bacigalupi with Roxana S. Ferris 1958-3-21 6253 Riverside ca. 13 mi. n. of Blythe (on rd. to Midland); w. slope Big Maria Mts. 262 Comment
  UCR1225  Saxifraga californica Martha McCarthy 1960-3-27 s.n. Riverside Santa Ana, 1/2 mi west of Teneja Road, 12.0 mi from jct with Washington Ave, Murrieta Comment
  RSA0094894  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
  RSA787599  Schismus barbatus Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks, Malia Volke 2010-3-30 104 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  UCR56085  Schismus barbatus J. A. Adams 1966-3-12 451 Riverside Sonoran (Colorado) Desert, Coachella Valley; Hwy 74, 2 mi above Palm Desert 216 Comment
  SEINET6243926  Schismus barbatus L. C. Higgins 1974-1 8487 Riverside 5 mi S of Morongo Valley on Hwy 62 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
  RSA596144  Scirpus microcarpus Darin L. Banks 1996-11-7 1192 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church., At the end of the main road in the Reservation, approximately 150 m NW of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 472 Comment
  RSA87  Scirpus microcarpus J. T. Howell 1928-7-7 1031 Riverside Near Glen Ivy. Alt. 1500 ft. 457 Comment
  SBBG54856  Scrophularia californica D. Keil, M. McLeod 1977-3-26 12023 Riverside 0.7 mi W of jct with Riverside Country Rd R-3 (to Hemet) along St Hwy 79 Comment
  UCSB25710  Scrophularia californica Gliessman, Stephen 1968-7-17 Riverside along Little Thomas Mountain Road, 2.7 miles southwest of junction with Highway 74, Little Thomas Mountain 1524 Comment
  UCR123877  Scrophularia californica subsp. floribunda Steven R. Hill 2001-5-3 33660 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  RSA0026266  Scutellaria bolanderi subsp. austromontana Fred M. Roberts 2013-6-7 7782 Riverside Peninsular Ranges: Santa Ana Mtns.: Tributary to Upper San Juan Canyon near Chiquito Basin Trail, 1.7 kilometers NNW Upper San Juan Campground. 536 Comment
  RSA740937  Scutellaria bolanderi subsp. austromontana Scott D. White, Justin M. Wood 2008-7-9 12439 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  LA102320  Scutellaria mexicana John C. Roos; 1958-9-27 sn Riverside Santa Rosa Mountains, Carrizo Creek near Black Hill 914 Comment
  CAS-BOT-BC69802  Selaginella bigelovii L. R. Abrams 1926-3-25 11041 Riverside Between Banning and Cabazon. Comment
  RSA192258  Selaginella bigelovii Earl W. Lathrop 1960-4-28 4769 b Riverside 14 miles west of Murrieta Comment
  RSA413254  Selaginella bigelovii James C. Dice, T. Chung 1987-10-19 736 Riverside North side of Temecula Gorge, ca. 0.4 km ENE of Field Station site (just SE of Weather Station), overlooking Santa Margarita River. 323 Comment
  SFV6323  Selaginella bigelovii T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 26 Riverside San Bernardino Mountains Whitewater Canyon Road, 3 miles north of Highway 60. 630 Comment
  UCD135974  Selaginella bigelovii Lewis S. Rose 1966-12-14 66107 Riverside Chino Canyon, 3 mi. W. of Palm Springs Desert. 670 Comment
  UCD135975  Selaginella bigelovii L. S. Rose 1935-12-18 s.n. Riverside Tahquitz Canyon, Palm Springs, Colorado Desert. 243 Comment
  UC279628  Selaginella watsonii E. C. Jaeger 1921-7-2 563 Riverside San Jacinto Peak 3293 Comment
  RSA0012733  Senecio californicus Steve Boyd 1986-5-1 1822 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  JOTR35075  Senecio mohavensis La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3527 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  JOTR35365  Senecio mohavensis Harding, Mitzi, M. Wheeler 2011-1-26 149 Riverside Joshua Tree National Park. West Coxcombs, north facing rocky slope (STOP3) 328 Comment
  UCR21974  Senecio vulgaris Steve Boyd 1980-5-5 202 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  RSA314644  Senecio vulgaris R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55453 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA544438  Senecio vulgaris Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6345 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  SDSU17478  Senna artemisioides Jerry Jenkins 2001-3-30 2001 -002 Riverside Santa Margarita Ecological Reserve. Fields near station. UTM zone 6, 482100E, 3699010N. UTM transfered to GIS. Comment
  UCR57995  Senna obtusifolia Les Ede 1989-8-19 s.n. Riverside Colorado River Valley/ Sonoran (Colorado) Desert, S of Blythe in the Palo Verde Valley, c. 1 mi. north of the Imperial County line 67 Comment
  SEINET238185 Image available Sesuvium verrucosum T. B. Salvato, A. C. Sanders; Mitch Provance 2000-1 45 Riverside Coachella Valley: 50th St. ca 1 mi W of Filmore, 1.5 mi E of town of Coachella. -24 Comment
  UCD97029  Sesuvium verrucosum A. C. Sanders; D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23186 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  RSA737213  Setaria parviflora Justin M. Wood 2008-9-30 167 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA89904  Setaria verticillata J. C. Roos 1952-5-14 5660 Riverside Scattered locally along edge of irrigated orchard with Echinochloa, Crusgalli, etc., corner of Iowa and 8th Street east of Riverside. 305 Comment
  RSA0001999  Sibaropsis hammittii Steve Boyd, Timothy S. Ross 1992-4-1 6783 Riverside Santa Ana Mts., Elsinore Peak area south of Lake Elsinore, on Onion Hill, a grassy knoll about 0.5 miles southeast of Elsinore Peak on the crest of the range, north of the Main Divide Road. 1012 Comment
  OBI42663  Sidalcea sparsifolia B. Pitzer & K. Kirtland, K. Kirtland 1986-5-6 202 Riverside Butterfield Stage Ranch Development, in the hills on the N side of Pauba Valley in the Rancho Calif area, 1 mi S of Buck Mesa on the E side of Butterfield Stage Rd 457 Comment
  CAS-BOT-BC434392  Sidotheca trilobata James L. Reveal; Barbara Ertter 1976-6-30 4567 Riverside Santa Rosa Mountains, along the dirt road to Santa Rosa Mountain, 4 miles south of California Highway 74 1737 Comment
  UCR193298  Silene antirrhina A. C. Sanders, Tim Thomas 2008-6-20 35546 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  CAS-BOT-BC384577  Silene coniflora A. C. Sanders; Steven R. Hill 2001-5-4 24130 Riverside Santa Ana Mtns. region: W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Crk. Dr.), E side of Rancho C. Rd. 488 Comment
  CSUSB710  Silene gallica I. Rauch 1968-4-25 Riverside Tenaja Road near Murrietta Comment
  SDSU13917  Silene gallica Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2132 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  SBBG71661  Silene parishii R. Hoffmann 1929-9-5 Riverside San Jacinto Mtns 2438 Comment