Search Results — 2000 specimen records retrieved (1894 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SBBG94634  Abies concolor F. C. Vasek, K. Neisses 1979-7-26 790726 -1 Riverside N of Toro Peak at Virgin Spring Comment
  CAS-BOT-BC229317  Abronia villosa Mrs. Robert Campbell 1921-11-26 10 Riverside Palm Springs Comment
  CAS-BOT-BC229331  Abronia villosa L. R. Abrams 1913-7-16 s.n. Riverside Between Elsinore and Corona Comment
  CSUSB1079  Abronia villosa Randy Salstrom 1966-2-27 Riverside 12 miles east of Indio, beside road between Indio and Blythe near Colorado River Aqueduct. 30 Comment
  OBI2989  Abronia villosa Lewis S. Rose 1967-12-20 67184 Riverside 6 mi SE of Thousand Palms 9 Comment
  RSA341997  Abronia villosa Robert F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54119 Riverside Along Whitewater River, E of bridge and levee. Comment
  RSA650088  Abronia villosa Toppenberg 1961-5-5 s.n. Riverside [Highway] 74, Palms to Pines. Comment
  SBBG1867  Abronia villosa H. and M. Dearing 1939-12-31 4047 Riverside 5 mi N of Palm Springs Comment
  SFV1117  Abronia villosa M. L. Vincent, R. H. Swade 1963-10-19 451 Riverside Colorado Desert Snow Creek Road, 1 mile from its intersection with California State Highway 111. 366 Comment
  UC851658  Abronia villosa C. L. Hitchcock 1940-4-4 5951 Riverside Pinto Basin Comment
  RSA735606  Abronia villosa var. aurita LeRoy Gross, Duncan S. Bell 2008-9-16 3582 Riverside Garner Valley. West side of, and close to Highway 74. Around 1/4 mile north from Ramona trailhead parking area. 1365 Comment
  SEINET946024  Abronia villosa var. aurita E. G. Anderson, I. W. Clokey 1935-1 6609 Riverside Hemet, Riverside County. 500 Comment
  RSA461179  Abronia villosa var. villosa N. C. Cooper 1949-4-8 3232 Riverside Mecca Pass east of Indio. 549 Comment
  UC52163  Acacia greggii E. E. Schellenger Jul 25 1903-Aug 14 1903 11 Riverside Colorado Desert, Chucawalla Bench Chucawalla Bench; Colorado Desert, Chucawalla Bench Comment
  CAS-BOT-BC30904  Acamptopappus sphaerocephalus Joy Keck 1935-4-14 3837 Riverside Lower Morongo Canyon, Colorado Desert Comment
  UCR9834  Acamptopappus sphaerocephalus K. S. Gill 1965-4-17 s.n. Riverside San Bernardino Mtns./ Sonoran (Colorado) Desert, Whitewater Canyon, 4 miles north of Hwy 60 610 Comment
  POM41108  Acamptopappus sphaerocephalus var. sphaerocephalus Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  UC1281262  Acamptopappus sphaerocephalus var. sphaerocephalus H. E. McMinn 1935-6-27 4071 Riverside along highway to Pine Palms Comment
Read comments
Dec 13 2011
  UC1523567  Acamptopappus sphaerocephalus var. sphaerocephalus Robert F. Thorne, Dick Tilforth, L. Shultz, R. K. Benjamin & J. Hogge 1980-4-16 54033 Riverside 1/4 mi w (and .5 mi w of Whitewater R at mouth of Whitewater Whitewater P.O.; San Bernardino Mts., Colorado Desert 414 Comment
  UCR178159  Achillea millefolium John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  RSA6073  Achnatherum coronatum C. B. Wolf 1932-5-24 3660 Riverside Snow Creek, north base San Jacinto Mountains. 1 mile above the Fish Hatchery. 793 Comment
  SEINET1910241 Image available Achnatherum hymenoides Sarah De Groot, Mark Porter 2006-1 5204 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. 351 Comment
  CAS-BOT-BC384731  Achyronychia cooperi L. A. Greata 1905-5-1 497 Riverside Colo. Desert Comment
  RSA423490A  Achyronychia cooperi Howard Mullins 1931-4-11 s.n. Riverside Palm Springs (3 miles no.) Comment
  SDSU12933  Acmispon micranthus Jutta Buschbom 1991-6-1 34 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
  SJSU10339  Acmispon strigosus R. C. McGehee 1970-4-15 203 Riverside Wileys Well, Wileys Well Rd, 20 mi SW of Blythe via Hwy 60 Comment
  SD130352  Acroptilon repens Oscar F. Clarke 1990-5-24 Riverside South side of Jackson Street, ca. 0.2 miles east of Victoria Avenue in Riverside. Comment
  SEINET10859062  Adenophyllum porophylloides A. K. Evans 1976-4-13 Evans 5204 Riverside Rocky slopes of Santa Rosa Mountains. Comment
  RSA748219  Adenostoma fasciculatum T. Scott, A. Townesmith, K. M. Meyer 2007-3-9 110 Riverside Cleveland National Forest. 0.8 mile down Woodridge Rd. in town of Oak Grove, at Oak Grove trailhead. 855 Comment
  UCR133454  Adenostoma fasciculatum Tracy Tennant, J. S. Ross 1998-7-30 MOR- 676 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Hathaway Canyon, slope above and west of polygon H3. 976 Comment
  CAS-BOT-BC139869  Adenostoma sparsifolium H. M. Hall 1901-8-1 2638 Riverside In the vicinity of Chalk Hill 1402 Comment
  JEPS44780  Adenostoma sparsifolium Carl V. Meyer 1928-8-2 629 Riverside Chalk Hill Comment
  UCR17483  Adenostoma sparsifolium N. R. Zabriskie, W. W. Zabriskie 1971-8-20 430 Riverside Santa Rosa Mtns, Canyon above first turnout E side of Santa Rosa Mountain Road, 0.6 mi above Hwy 74 1524 Comment
  UC914096  Adiantum capillus-veneris Rateaver 1944-1-12 17 Riverside Fern Canyon Palm Springs Comment
  UCR45940  Ageratina adenophora Barbara J. Fuchs 1968-5-12 70 Riverside Peninsular Range; Santa Ana Mtns., Hwy 74, 15 mi west of Lake Elsinore, Cleveland National Forest 610 Comment
  UC1931094  Agnorhiza ovata Scott D. White, Justin Wood 2008-7-8 12383 Riverside San Jacinto Mountains: Hurkey Creek Watershed - Bonita Vista Rd, ca. 1/2 miles E and W of Hurkey Creek crossing. Comment
  SEINET10509773  Agropyron subsecundum David B. Dunn 1946-8-17 Dunn 2677 Riverside Grass near stream at camp in taquitz valley, damp meadow area. San jacinto mts. 2438 Comment
  UCR24979  Agrostis exarata A. C. Sanders 1980-7-22 1704 Riverside Peninsular Range; San Jacinto Mtns, [Forest Service] Rd. 4S02, c. 2.5 (airline) mi north of Pine Cove and c. 0.25 mi south of Dark Canyon campground 1768 Comment
  UCR90348  Agrostis pallens Scott D. White 1995-6-30 3414 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  SD232568  Agrostis scabra Scott D. White 1996-8-1 4433 Riverside San Jacinto Mts.: Idyllwild area: Hwy 243 at Deer Springs trailhead and adjacent area. S facing mountainside. Deer Spr Ck dry. 1700 Comment
  POM126263  Aliciella latifolia Martha Hilend 1927-4-2 s.n. Riverside Box Canyon near Shaver's Well, Colorado Desert. Comment
  RSA469415  Aliciella latifolia E. C. Jaeger 1922-3-19 750 Riverside Painted Canyon, near Mecca. 61 Comment
  SD70778  Aliciella latifolia David B. Dunn 1948-2-21 3672 Riverside Pushawalla. Comment
  UC164841  Allenrolfea occidentalis S. B. Parish 1917-7-3 8071 Riverside Salton Bridge near Durmid; Salton Sea Comment
  RSA778399  Allionia incarnata Amber Swanson 2011-10-9 650 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  RSA0120327  Allium fimbriatum Duncan S. Bell, Thomas Stoughton 2016-4-14 9291 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
  RSA359531  Allium haematochiton Steve Boyd 1986-3-9 1395 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsethief Wash. 367 Comment
  RSA689373  Allium haematochiton Scott D. White 2001-4-19 8376 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi west of Interstate 215. 442 Comment
  UCR133190  Allium haematochiton J. M. Stewart 1999-4-25 s.n. Riverside San Jacinto Mtns., canyon above Palm Springs Comment
  RSA682854  Allium munzii Scott D. White, Michael Honer 2003-4-9 8983 Riverside About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  RSA740237  Allium parryi Scott D. White, Justin M. Wood 2008-6-17 12191 -B Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  SBBG101703  Allium peninsulare S. Boyd with T. Ross, M. Hammitt 1991-5-2 6090 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  POM123076  Allium praecox Wilder 1905-04 s.n. Riverside Riverside. Comment
  RSA91231  Alnus rhombifolia F. W. Peirson 1928-3-10 7698 Riverside along irrigation ditch, Snow Creek Auto Camp at Whitewater, head of Coachella Valley. Comment
  SEINET10904656  Alnus rhombifolia James S. Miller 1992-5-8 Miller 7470 Riverside San Jacinto Mountains. 11 mi E of W boundary of San Bernadino National Forest on California route 74. 1300 Comment
  UCR278834  Alternanthera caracasana Mitch Provance 2012-7-17 712- 11 Riverside San Gorgonio Pass, South Banning, adjacent to west side of Banning High School and the KOA on San Gorgonio Ave. 1134 Comment
  UCR110385  Amaranthus albus A. C. Sanders, Mitch Provance 1999-9-26 23108 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  RSA574564  Amaranthus blitoides Steve Boyd 1985-7-23 1009 Riverside De Luz Rd., 7 mi. west of Rancho California. 366 Comment
Read comments
Apr 24 2013
  UCR113877  Amaranthus blitoides Mitch Provance, A. C. Sanders 2000-7-4 2089 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  JOTR16544  Amaranthus fimbriatus Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. RAODSIDE BETWEEN RYAN MOUNTAIN AND CAPROCK 1310 Comment
  UCR54448  Amaranthus fimbriatus A. C. Sanders, E. J. Lawlor 1988-10-22 08723 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  RSA702047  Amaranthus palmeri Scott D. White, Angelia Carey 2004-9-16 10756 Riverside Roadside, intersection of Soboba Road and Castile Canyon Rd. 509 Comment
  UCR92618  Amaranthus palmeri Scott D. White 1995-8-18 3558 Riverside Just west of Hemet at SE margin of Lakeview Mts, north of Florida Ave. 485 Comment
  RSA588803  Ambrosia acanthicarpa Darin L. Banks, Steve Boyd 1995-10-17 0756 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
  RSA781884  Ambrosia acanthicarpa Duncan S. Bell 2011-10-22 3002 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
  RSA736034  Ambrosia confertiflora Scott D. White, Jamie Minor 2008-3-13 11765 Riverside San Gorgonio Pass: Banning: S of Union Pacific RR, powerline route from Sunset Ave to 1 mile W. 732 Comment
  CAS-BOT-BC22611  Ambrosia dumosa Alice Eastwood 1913-4-30 2990 Riverside Palm Springs Comment
  LA94844  Ambrosia dumosa T. A. Geissman; 1967-3-21 TAG- 32167 -ADUP Riverside from Cabazon to Palm Springs 304 Comment
  RSA23238  Ambrosia dumosa Ernest Braunton 1940-03 2043 Riverside Fan Canyon. 20 miles NE of Indio. Comment
  RSA416972  Ambrosia dumosa P. J. Remple 1942-3-1 s.n. Riverside Dead indian Creek, Santa Rosa Mtns. Comment
  RSA643343  Ambrosia dumosa R. D. Goeden, D. W. Ricker 1970-5-14 s.n. Riverside Coachella Valley: Palm Springs, SW side of Hwy 111, 1.3 mi. SE of Overture Drive, at foot of San Jacinto Mtns. near Desert Angel peak. 274 Comment
  UCR244917  Ambrosia dumosa Jim Andre 2012-3-19 21358 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  UCR174450  Ambrosia pumila A. C. Sanders, John F. Green 2006-5-18 32375 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  UCR232764  Ambrosia pumila John Dvorak, Ana Hernandez 2011-9-7 020 Riverside Perris/Aguanga Basin, north Alberhill, c. 180 m south of the intersection of Lake Street and Temescal Canyon Road, 110 m east of Lake Street 378 Comment
  CAS-BOT-BC273010  Ambrosia salsola Roxana S. Ferris 1953-3-9 12596 Riverside Access road to Los Angeles Aqueduct up Berdoo Canyon, about 2 miles northeast of Indio-Desert Hot Springs road Comment
  CAS-BOT-BC273029  Ambrosia salsola Roxana S. Ferris 1953-4-20 12638 Riverside Road to Lost Palms Canyon ca. 4 mi. N of Shaver summit Comment
  CAS-BOT-BC273036  Ambrosia salsola Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  HSC25798  Ambrosia salsola Richard Spjut 1972-3-13 2264 Riverside Western border of the Colorado Desert ; San Jacinto Mts., near the eastern border of the San Bernardino Natl. Forest along Hwy. 74 915 Comment
  HSC5855  Ambrosia salsola C. L. Hitchcock 1966-3-16 24217 Riverside 4 mi. S of Palm Desert, along Palms to Pines Hwy. Comment
  JEPS70886  Ambrosia salsola L. R. Heckard 1973-4-24 3319 Riverside about 2 mi nw Chiriaco Summit (s base of mts.); Eagle Mts. 545 Comment
  SEINET10797876  Ambrosia salsola David B. Dunn, Howard Brown 1947-2-9 Dunn 2853 Riverside Pushawalla Canyon, Indio Hills. In dry wash. Comment
  UCSB36179  Ambrosia salsola var. salsola Roberts, Dar 1980-3-26 Riverside 1 miles south southern enterance to Joshua Tree National Monument, 0.25 miles E. Rd. 750 Comment
  POM126807  Ammannia coccinea E. E. Schellenger 1894-8-10 s.n. Riverside Colorado Desert, River bottom - Paloverde Comment
  RSA653237  Ammannia coccinea Mitch Provance 2000-7-4 2103 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  UCR188890  Ammannia coccinea Fred M. Roberts, S. Leatherman 2007-9-19 6579 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR277746  Ammannia coccinea Mitch Provance 2011-7-29 17035 Riverside Santa Ana River Valley, Santa Ana River Wash, area between Market St. and the 60 Freeway 244 Comment
  SDSU14030  Amorpha fruticosa Kristin Andrade, Mike Simpson 2002-4-20 14 Riverside On north side of Santa Margarita river, tenth of a mile from junction of Via Tornado road. Santa Margarita Ecological Reserve Road. 235 Comment
  POM319691  Amsinckia intermedia Patricia Wilder 1971-5-13 4952 Riverside Prado Flood Control Basin; along bank at east end of top of Prado. Alt. 650 ft. 198 Comment
  SDSU18981  Amsinckia intermedia C. Matt Guilliams 2008-2-27 488 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  CLARK-A1528-970  Amsinckia menziesii Patricia A. Andrews 1975-3-13 5902 Riverside Rubidoux Comment
  HSC85418  Amsinckia menziesii Steve Boyd 1986-3-9 1392 Riverside Temescal Canyon: Alberhill Mtn., S slope of mtn., just E of claymine area 459 Comment
  UCR137037  Amsinckia menziesii A. C. Sanders 2004-5-5 27778 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  RSA0086465  Amsinckia retrorsa Mitch Provance 2013-4-8 413 -12 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave. 226 Comment
  UCR234222  Amsinckia retrorsa A. C. Sanders, John F. Green 2012-3-20 39974 Riverside Peninsular Range; Gavilan Hills Area, hills east of Lake Elsinore, along Hwy 74 near Meadowbrook Ave. 512 Comment
  RSA562064  Amsinckia tessellata Steve Boyd, Carol Boyd, Kyle Boyd 1992-4-19 6919 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  UCR41830  Amsinckia tessellata A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6104 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA180287  Anagallis arvensis E. W. Lathrop 1965-4-25 5671 Riverside 4 miles Sw of Murrieta. Comment
  UCR281219  Ancistrocarphus filagineus Mitch Provance, Jeremiah George 2017-3-23 317- 42 Riverside Temescal Valley, east side of Campbell Ranch Rd., +- 500 ft. north of Indian Truck Trail 361 Comment
  UCR237626  Anemone tuberosa Duncan S. Bell 2010-3-20 610 Riverside Riverside Mountains, in the vicinity of Calzona Mine, c. 2 air mi northeast of Riverside Mountain Peak 232 Comment
  RSA18198  Anemopsis californica C. B. Wolf 1929-5-31 3738 Riverside 1 mi. NW of Santa Ana River on Corona-Chino road. Comment
  POM187412  Angelica tomentosa L. Crutcher 1933-8-2 10 Riverside Camp Tahquitz, San Jacinto Mountains. Comment
  UC20803  Angelica tomentosa H. M. Hall 1897-7-29 740 Riverside San Jacinto Mountain 1524 Comment
  JOTR16558  Anisocoma acaulis Vanderspek & Nolte 1966-5-13 64541 Riverside Joshua Tree National Park. EUREKA PEAK 1682 Comment
  RSA741202  Anisocoma acaulis Scott D. White, Justin M. Wood 2008-5-15 11964 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  RSA182339  Antirrhinum coulterianum J. D. Olmsted 1962-5-1 3429 Riverside NE slope just west of top of highest Southern California waterfall; 1/4 miles. SE of Falls Plateau, Snow Canyon N of Mt. San Jacinto Comment
Read comments
Nov 24 2011
  RSA783369  Antirrhinum coulterianum J. D. Olmsted 1958-6-15 186 Riverside On north canyon wall of south fork San Jacinto River just below Hemet Lake 10 miles south of Mountain Center 1265 Comment
  SEINET269529 Image available Antirrhinum coulterianum Scott D. White, Steve Myers; S. Ogg M. Wilcox 1995-6-16 3303 Riverside Lake Elsinore Pumped Storage hydroelectric project. Steep northeast facing mountain slope west of Lake Elsinore southe 396 Comment
  UCR133654  Antirrhinum coulterianum Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR281206  Antirrhinum kelloggii Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 29 Riverside Peninsular Ranges, Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way 592 Comment
  UCR225442  Antirrhinum nuttallianum A. C. Sanders, T. B. Salvato 2011-3-29 38843 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  UCR230912  Antirrhinum nuttallianum T. B. Salvato, Richard Camacho 2011-6-12 5485 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  RSA192320  Antirrhinum nuttallianum subsp. nuttallianum H. A. Zuill 1966-6-23 236 Riverside San Mateo canyon about 12 miles SW of Murrieta. Comment
  RSA619544  Apiastrum angustifolium D. L. Banks 1997-5-5 1993 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  POM20025  Apium graveolens Mary F. Spencer 1923-6-5 2205 Riverside Saboba Hot Springs. 518 Comment
Read comments
Apr 1 2013
  POM13572  Arabis perennans P. A. Munz 1922-6-28 5876 Riverside Santa Rosa Mountains. [San Jacinto Mountains] 2409 Comment
  RSA599151  Arceuthobium campylopodum R. S. Woglum 1937-10-20 1203 Riverside Peninsular Ranges, Santa Rosa Mountains. Comment
  CAS-BOT-BC516264  Arctostaphylos Scott D. White 1996-8-16 4482 Riverside San Jacinto Mts., Idyllwild area, SW of PIne Cove and W of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to Toll Rd. Cyn.) 1859 Comment
Read comments
Oct 23 2018
  UCR273496  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42620 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Calle Viento (thin dirt road) south of Avenida Presa, 0.5 km south of Rancho California Rd. 656 Comment
  SD152873  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, Tim Ross 1992-5-4 7180 Riverside Southern Santa Ana Mountains, Oak Flats area east of Verdugo Potrero. 730 Comment
  SDSU18344  Arctostaphylos glandulosa subsp. glandulosa C. Matt Guilliams 2007-6-21 371 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
  RSA0063794  Arctostaphylos glandulosa subsp. glandulosa W. Pequegnat 1940-5-25 s.n. Riverside Modjeska Springs, Santa Ana Mts. Comment
  RSA629428  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16850 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  JEPS38730  Arctostaphylos glauca Marjorie D. Clary 1934-4-23 Riverside se Kenworthy; Santa Rosa Mts. 1371 Comment
  RSA631719  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19262 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631767  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15076 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631782  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19275 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA633523  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22512 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633630  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22658 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633650  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20131 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA635306  Arctostaphylos patula Jon E. Keeley 1992-11-11 22539 Riverside Saddle Junction, ca. 2 km northeast of Humber Park, Idyllwild, San Jacinto Mtns. 2400 Comment
  POM305862  Arctostaphylos pringlei subsp. drupacea Henry J. Ramsey, Henry J. Ramsey 1938-4-22 1158 Riverside Santa Rosa Mts. Comment
  RSA141484  Arctostaphylos pringlei subsp. drupacea H. A. Jensen 1937-11-5 444 Riverside Upper Strawberry Valley, San Bernardino National forest. 1860 Comment
  RSA604157  Arctostaphylos pringlei subsp. drupacea W. B. Welch 1928-5-5 s.n. Riverside Idyllwild, San Jacinto Mts. Comment
  SD232672  Arctostaphylos pringlei subsp. drupacea Scott D. White 1996-8-1 4426 Riverside San Jacinto Mts.; Idyllwild area: Hwy 243 at Deer Springs trailhead and adjacent area. S facint mountainside. 1707 Comment
  UC1073274  Arctostaphylos pringlei subsp. drupacea George B. Rossbach 1955-4-28 391 Riverside se Banning (just s of n boundary of national forest); San Jacinto Mountains, San Bernardino National Forest Comment
  UC1177957  Arctostaphylos pringlei subsp. drupacea Otto T. Solbrig 1958-3-21 2515 Riverside road from Banning to Idylwild; San Jacinto Mountains, Pine Cone Summit 1920 Comment
  SBBG34995  Arctostaphylos pungens T. L. Secrest 1951-5-19 Riverside Idyllwild to Hemet Lake Comment
  RSA575903  Arctostaphylos rainbowensis Steve Boyd 1994-10-14 8380 Riverside Southern Santa Ana Mountains, San Mateo Cantyon Wilderness area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon. Fisherman's Camp. 462 Comment
  UCR63512  Arctostaphylos rainbowensis Scott D. White 1990-6-14 s.n. Riverside Peninsular Range, Rainbow area: c. 1 mi (airline) SE of Temecula Canyon and 1 mi (airline) NW of Rainbow Valley. S boundary of property on the San Diego County line 427 Comment
  POM285867  Argemone munita subsp. munita Gerald B. Ownbey 1954-6-24 2170 Riverside 0.1 mi. w. of Radec. 517 Comment
  RSA552745  Aristida adscensionis Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-25 6677 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  SD187312  Aristida adscensionis Naomi Fraga, Lisa Rojas 2005-2-10 1378 Riverside Northeastern Colorado Desert region: Just north of Palen Pass Road, ca. 10 miles east of Highway 177. 365 Comment
  UCR198192  Aristida adscensionis Michael Honer, L. Hulse 2004-4-3 1891 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  UCR275540  Aristida adscensionis D. E. Bramlet 2010-3-1 4455 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  UC1922811  Aristida adscensionis Michael Honer with L. Hulse 2005-3-8 2043 Riverside Colorado Desert; Little San Bernardino Mountains region: Fargo Canyon; first main N-trending fork after entering canyon from bajada. Site of large long MWD aqueduct tunnel tailings pile. Comment
  JOTR30070  Aristida californica var. californica La Doux, Tasha, Bill Truesdell 2006-10-3 1713 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  CLARK-A1528-4468  Aristida fendleriana John C. Roos 1938-8-7 583 Riverside San Jacinto Mountains 1219 Comment
  UCR241009  Aristida purpurea Tracy Tennant 1998-3-27 227 Riverside North Hills, Domenigoni Valley area, SE of Winchester 694 Comment
  UCR92678  Aristida purpurea var. nealleyi Scott D. White, M. A. Patten 1995-8-16 3545 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  SEINET3919297  Aristida purpurea var. parishii LeRoy Gross, Leland Lubinsky; Victor Steinmann; Linda Worlow 2005-2-17 1460 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground.; 0 480 Comment
  SDSU17517  Aristida purpurea var. purpurea Jerry Jenkins 2001-4-1 2001 -028 Riverside Santa Margarita Ecological Reserve. Road to mine, UTM zone 6, 482900E, 3699600N. UTM transfered to GIS. Comment
  RSA170157  Artemisia arbuscula subsp. arbuscula L. B. Ziegler 1964-8-15 s.n. Riverside On an area of about 10 acres about 1.5 miles north of Kenworthy Ranger Station, San Jacinto Mts. 1616 Comment
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Jun 10 2012
  POM178577  Artemisia californica Marcus E. Jones 1930-3-3 s.n. Riverside Santa Ana Mountains Comment
  SEINET7048062  Artemisia californica Steven R. Hill 2001-4-29 33539 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  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
  POM10298  Artemisia douglasiana F. M. Reed 1903-10-24 17 Riverside Cold water canyon above dam, near Riverside Comment
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Apr 7 2011
  JOTR32835  Artemisia dracunculus La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1551 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  PASA1941  Asclepias albicans 4/28 Riverside Hidden Springs Comment
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Aug 27 2016
  RSA70334  Asclepias californica F. W. Peirson 1922-4-29 4255 Riverside Leach Canyon. ( base of Santa Ana Mts., near Elsinore) 534 Comment
  UC111252  Asclepias californica H. M. Hall Apr. 1897 Riverside Temecula Ck. Nigger Jim Canyon Comment
  UCR224181  Asclepias erosa Justin M. Wood, Dustin M. Ray 2010-10-21 2999 Riverside Colorado (Sonoran) Desert, Chuckwalla Valley northeast of Victory Springs and 0.9 km east of Kaiser Road on unmarked 4WD road 198 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
  UCR133005  Asclepias fascicularis John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  CLARK-A1528-125  Asclepias subulata Charlotte Stocks 1963-5-2 Riverside Comment
  POM123014  Asclepias subulata Marcus E. Jones 1925-4-24 s.n. Riverside Thousand Palms Comment
  UCR207230  Asparagus O. F. Clarke 2007-10-5 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR205967  Aster ascendens Scott D. White 2003-10-9 9820 B Riverside San Jacinto Mountains, Pine Cove area, Dutch Flat 1753 Comment
  CAS-BOT-BC177458  Astragalus aridus A. C. Sanders 2010-3-15 37408 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
  UCR245966  Astragalus aridus Duncan S. Bell 2009-3-9 111 Riverside Arica Mountains, east side of the range, west side of Rice Valley, c. 2.7 air miles NE of Priest Well, or c. 3.3 air miles SE of ghost town of Rice 244 Comment
  RSA485841  Astragalus coccineus T. S. Elias 1988-1-26 10674 Riverside Joshua Tree National Monument; Cottonwood Spring region, along trail from Mastodon Peak to Lost Palms Oasis. Comment
  JEPS48853  Astragalus crotalariae Marjorie D. Clary 1932-3-25 953 Riverside Conchilla Desert Comment
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Sep 14 2011
  UCR19769  Astragalus crotalariae Don Emery 1980-3-28 s.n. Riverside Sonoran Desert, Riverside/Imperial Co. line on the E side of Salton Sea, vicinity of Bat Caves Buttes -30 Comment
  UCR157442  Astragalus didymocarpus A. C. Sanders 1997-3-26 20123 Riverside Lake Skinner area, NW foot of the Tucalota Hills, 0.2 mi. east of main Skinner entrance road on a dirt service road 473 Comment
  CAS-BOT-BC182635  Astragalus didymocarpus var. obispoensis L. R. Abrams 1935-4-7 13664 Riverside Gavilan Hills, 2 mi. SW. of Perris Comment
  SBBG87357  Astragalus douglasii D. Charlton 1988-5-21 1918 Riverside Thomas Mtn Rd from N to S, W of Garner Valley and S of Lake Hemet on Hwy 74 1524 Comment
  UC1128784  Astragalus douglasii var. parishii H. S. Yates 1937-6-27 6717 Riverside near Idlewild; San Jacinto Quad., near Idlewild Comment
  CAS-BOT-BC257175  Astragalus gambelianus Duncan S. Bell; Joy England 2010-5-17 1007 Riverside Peninsular Ranges; San Jacinto Mountains region: San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15 1045 Comment
  CAS-BOT-BC187115  Astragalus lentiginosus var. borreganus H. M. Hall 1905-4-14 5757 Riverside Whitewater, on the Colorado Desert 240 Comment
  JOTR34152  Astragalus lentiginosus var. coachellae Andre, Jim, G. L. Clifton and T. La Doux 2011-2-22 17466 Riverside OUTSIDE PARK BOUNDARY. Coachella Valley; just south of I-10 at Amtrak train station parking, just west of N. Indian Cyn Drive 185 Comment
  UC129404  Astragalus lentiginosus var. coachellae Geo. B. Grant May 1 - 10, 1906 77 a-6747 Riverside Colorado Desert at Palm Springs Comment
  UC397295  Astragalus lentiginosus var. fremontii E. E. Schellenger March 1906 17 Riverside Boulder Well , Boulder Well (Colorado Desert) 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
  POM229797  Astragalus leucolobus P. A. Munz 1937-5-30 15134 Riverside Santa Rosa Peak. 2409 Comment
  RSA415620  Astragalus nuttallianus var. imperfectus H. M. Hall 1897-4-10 434 Riverside San Jacinto Mts., San Jacinto Lake Comment
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Sep 7 2011
  UCR35037  Astragalus palmeri L. B. Ziegler 1972-5-17 459 Riverside San Jacinto Mtns, Pinyon Flats 1250 Comment
  JEPS54801  Astragalus pomonensis W. L. Jepson 1914-5-23 6085 Riverside Conchilla Desert , Conchilla Desert (Colorado Desert) Comment
  SD8527  Astragalus pomonensis Daniel Cleveland Apr 1880 Riverside San Jacinto Plains Comment
  UCR117404  Astragalus pomonensis A. C. Sanders, Carolyn Washburn 2001-5-10 24230 Riverside Perris-Aguanga Basin region, foot of North Domenigoni Hills at south end of Warren Rd., 3 mi. SE of Winchester 457 Comment
  UCR94648  Astragalus pomonensis Scott D. White 1996-5-27 4071 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  UCR139028  Athysanus pusillus D. L. Banks 1997-4-5 1677 Riverside Agua Tibia Mtns., NW Palomar Mountains: Agua Tibia Wilderness area. south of Dorland Mountain, just west of the Pechanga Indian Reservation boundary, at the headwaters of a tributary of the N fork of Pechanga Creek 793 Comment
  UC1287097  Atrichoseris platyphylla C. L. Hitchcock 1966-3-20 24315 Riverside 5 miles north of Milpitas Wash (and 12 miles NW of Blythe-Glamis Road) Comment
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Mar 2 2013
  UC1595685  Atrichoseris platyphylla W. Wisura, J. Dolan, and C. Demme 1992-4-13 4687 Riverside 10.5 mi s of prison (Wileys Well Rd.) Comment
  SEINET3930599  Atriplex canescens Grant D. Brown 1950-12-2 593 Riverside Santa Ana R. NW. of Arlington.; 0 Comment
  SD123919  Atriplex canescens subsp. canescens Robert F. Thorne, Kay Wright & Richard Benjamin 1982-10-8 55354 Riverside San Bernardino Mountains; mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges. 409 Comment
  UCR103746  Atriplex coronata var. notatior D. E. Bramlet 1995-6-8 2437 Riverside San Jacinto Valley, Mystic Lake Duck Club., on berms & on the SW duck ponds within the club, 1.92 km east of Davis Road and adjacent to the maintenence road, 915 m north of the San Jacinto River Channel 436 Comment
  UCR201822  Atriplex coronata var. notatior Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  UCR281803  Atriplex elegans var. elegans Mitch Provance, John Hazlett 2017-4-27 417- 109 Riverside Elsinore Trough, Lake Elsinore, borderline with Wildomar, SW of Olive St and Mission Trail. 386 Comment
  CAS-BOT-BC248269  Atriplex glauca R. E. Riefner, Jr. 2002-12-12 02 -521 Riverside Peninsular Range; Temescal Canyon Mouth: city of Corona, along Magnolia Ave. off-ramp on southwest side of Hwy I-15 216 Comment
  JOTR37712  Atriplex hymenelytra Hodges, Stephen R. 2016-3-1 638 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line in canyons of black rock. Sparsely vegetated. Comment
  RSA27520  Atriplex hymenelytra I. L. Wiggins 1941-3-24 s.n. Riverside 0.5 miles from beach on east side of Salton Sea, 1 mile north of Imperial Co. Line Comment
  UCR103315  Atriplex hymenelytra George K. Helmkamp, E. A. Helmkamp 1998-2-5 2658 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR19490  Atriplex hymenelytra Don Emery 1980-2-12 s.n. Riverside Sonoran (Colorado) Desert, E side of the Salton Sea, near an old playa south of Dos Palmas Spring and north of Ferrum siding Comment
  POM254666  Atriplex lentiformis F. W. Peirson 1924-12-30 s.n. Riverside Thousand Palms Canyon, Coachella Valley. 122 Comment
  RSA422257  Atriplex polycarpa Ora M. Clark 1929-3-17 1743 Riverside N. La Quinta, Colorado Desert. Comment
  RSA478375  Atriplex polycarpa Allen 1920-10 s.n. Riverside Palm Springs. Comment
  RSA653203  Atriplex prostrata Mitch Provance, Steve D. Boyd 1999-9-14 1781 Riverside Riverside: Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp. 238 Comment
  JEPS59530  Atriplex serenana W. L. Jepson 1901-6-1 1578 Riverside near Corona (Walter's Ranch, Temescal Wash); near Corona, Walter's Ranch, Temescal Wash 335 Comment
  UCR6700  Atriplex serenana W. W. Wright 1967-1 s.n. Riverside City of Riverside, University of California campus, south of Pennsylvania Ave. (now Martin Luther King Blvd.), west of Midgeville. 335 Comment
  SEINET4136176  Atriplex serenana var. davidsonii Steve Boyd 1985-8-7 1116 Riverside Murrieta area, Clinto Kieth Rd., just east of the Bear Creek development golfcourse.; 0 Comment
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Feb 13 2019
  UCR274526  Atriplex serenana var. serenana Mitch Provance, Ken Halama 2003-6-15 17056 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  UCR113156  Avena fatua A. C. Sanders 1998-1-15 21647 Riverside Lake Skinner area, along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  RSA426791  Ayenia compacta Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UCR9373  Ayenia compacta Richard A. Weaver 1970-1-14 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns., western portion of range 915 Comment
  UCR17720  Baccharis brachyphylla Hap Ritter, Paul Mack 1976-10-19 s.n. Riverside Sonoran (Colorado) Desert, c. 20 mi. NW of Blythe on the Midland Road, McCoy wash drainage, SW side of the Big Maria Mtns. 245 Comment
  UCR213766  Baccharis brachyphylla Scott D. White, Justin M. Wood 2009-4-29 12626 Riverside Little San Bernardino Mountains, city of Desert Hot Springs, proposed development north of Pierson Blvd and east of Verbena Dr. Comment
  SD146042  Baccharis glutinosa Mitch Provance, S. D. Boyd 1999-9-14 1784 Riverside Riverside; riverbottom along Spring Brllk between Lake Evans and the Santa Ana River at the Mission Bridge. 238 Comment
  UC63262  Baccharis glutinosa H. M. Hall 1904-5-1 4953 Riverside vicinity of Riverside; Santa Ana River 243 Comment
  RSA596667  Baccharis pilularis Darin L. Banks, Lauren Raz 1996-11-5 1148 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  CAS-BOT-BC106738  Baccharis salicifolia C. L. Hitchcock 1966-3-15 24159 Riverside 3 mi. e. of Glen Ivy Hot Springs, in sandy wash. Comment
  SEINET10670882  Baccharis salicifolia Greg Gust, Leith Nye 2005-3-10 Gust 535 Riverside City limits of Lake Elsinore on River Bank just off of Auto Center Dr, N of junction with Diamond Dr. 400 Comment
  UCR100032  Baccharis salicifolia A. C. Sanders, G. Helmkamp 1997-3-15 19975 Riverside Lake Skinner area, N foot of 1700 ft. hill east of Bachelor Mtn., small canyon and grassy S-facing slopes 488 Comment
  UC727402  Baccharis salicifolia subsp. salicifolia H. K. Wagnon 1944-3-8 313 Riverside 100 yds s of Trading Post (Palm Canyon); Palm Canyon Comment
  UC472157  Baccharis salicina J. Ewan 1931-10-3 5216 Riverside 4 mi nw of Corona; Santa Ana River Comment
  UCR4362  Baccharis salicina O. F. Clarke 1970-10-28 s.n. Riverside Riverside, Botanic Gardens of the University of California, Riverside 396 Comment
  RSA588837  Baccharis sarothroides Darin L. Banks, Steve Boyd 1995-10-17 0780 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
  CAS-BOT-BC99874  Baccharis sergiloides Louis C. Wheeler 1933-12-1 2292 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  CDA10400  Baccharis sergiloides T. C. Fuller 1959-4-8 2472 Riverside Edge of Colorado River, 6 miles south of Ripley. 0 Comment
  JOTR29285  Baccharis sergiloides La Doux, Tasha 2003-9-4 1047 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  RSA0123170  Baccharis sergiloides Duncan S. Bell, Andrew Chambers 2016-12-21 10219 Riverside The Dos Palmas Preserve area, at the southern end of the Orocopia Mountains, and at the northeastern section of the Salton Sea. -41 Comment
  RSA117705  Baccharis sergiloides S. Carlquist 1958-3-30 430 Riverside Along Morongo Valley to Lucerne Valley Road, on San Bernardino - Riverside County line Comment
  SEINET2045193 Image available Baccharis sergiloides Dave Charlton 1986-12-26 647 Riverside Coxcomb Range, at E end of Joshua Tree National Monument, northernmost W-facing large canyon in the range, just N of Specter Peak 915 Comment
  UC893737  Baccharis sergiloides Carl B. Wolf 1932-10-1 4272 Riverside Morongo Wash, 3/10 mi below San Bernardino Co line Colorado Desert, Little San Bernardino Mts. 670 Comment
  UCR89659  Baccharis sergiloides Bern Schwenn 1994-2-13 s.n. Riverside Colorado Desert/Santa Rosa Mtns., Santa Rosa Mtns, west fork Agua Alta Canyon. 657 Comment
  RSA93161  Baccharis sergiloides F. W. Peirson 1928-9-6 8205 Riverside Morongo Canyon, eastern end of San Bernardino Mts. Comment
  UC1929882  Bahiopsis laciniata Scott D. White, Michael Honer 2003-5-27 9419 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. Comment
  CAS-BOT-BC295906  Bahiopsis parishii C. L. Hitchcock 1940-3-30 5873 Riverside Cottonwood Spring Comment
  UCSB38731  Bahiopsis parishii Cowan, Clark 1978-4-23 Riverside 12.1 mi. (19.2 km.) S on Hwy. 74 from jct. with Hwy. 11 at Indian Wells 950 Comment
  JEPS14263  Baileya pauciradiata John Ingram, Howard Arnott and Francia Chisaki 1955-4-18 631 Riverside 5.6 mi se of turn-off to Thousand Palms Highway 60 Comment
  UC472195  Baileya pauciradiata S. B. Parish 1907-4-19 6080 Riverside Palm Springs Colorado Desert Comment
  UC893812  Baileya pauciradiata Lewis S. Rose 1937-4-10 37147 Riverside 5 mi s Cathedral City 15 Comment
  CAS-BOT-BC106613  Baileya pleniradiata Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center, Colorado Desert Comment
  UCR244309  Baileya pleniradiata Jim Andre 2012-4-15 20851 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  RSA220995  Barbarea orthoceras E. W. Lathrop 1966-3-30 6125 Riverside Mail Divide Truck, Trail between El Carriso and Santiago Peak, Cleveland Nat l Forest 1220 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
  RSA0112095  Bebbia juncea Duncan S. Bell 2010-2-20 540 Riverside Arica Mountains; collecting in drainage in the southeast section of range, approx. 0.75 air mile west of Priest Well. 336 Comment
  UCR132490  Bebbia juncea Chet McGaugh 2004-2-25 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, northern Palm Springs, near the Whitewater River channel, NW corner of Sunrise Way and San Rafael 171 Comment
  RSA92403  Bebbia juncea F. W. Peirson 1917-4-1 1323 Riverside Palm Springs Comment
  CAS-BOT-BC100141  Bebbia juncea var. aspera Carl B. Wolf 1932-5-24 3651 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1/2 mi. below Fish Hatchery 548 Comment
  HSC24854  Bebbia juncea var. aspera James Henrickson 1971-4-2 5482 Riverside Hidden Oasis, 13 mi. E of Palm Spring 183 Comment
  JOTR31818  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
  UC68957  Bebbia juncea var. aspera H. M. Hall 1905-4-1 5841 Riverside near Salton; Colorado Desert -45 Comment
  CLARK-A1528-1369  Beloperone californica John C. Roos 1949-4-11 4233 Riverside Chuckwalla Mountains Comment
  SDSU3682  Bernardia myricifolia D. R. Harvey 1936-1-2 1824 Riverside About 1 miles SE of Pinyon Flats on road to Palm Springs. 1219 Comment
  UCR122747  Bernardia myricifolia George K. Helmkamp, E. A. Helmkamp 1998-4-24 3386 Riverside Santa Rosa Mountains, Palms-to-Pines Hwy (Calif. Hwy 74), 1 mi north of Carrizo Rd near Black Hill 1006 Comment
  UCR216037  Bidens laevis Oleg Pryadko 2008-5-2 058 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  SBBG72390  Boechera R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2590 Comment
  CAS-BOT-BC14158  Boechera perennans K. Watkins; E. McClintock 1937-4-10 s.n. Riverside Palms to Pines highway near road to Shumway. Comment
  UC855511  Boechera perennans C. L. Hitchcock 1940-4-1 5918 Riverside Cottonwood Springs wash Joshua Tree National Monument Comment
  RSA69608  Boerhavia coccinea F. W. Peirson 1922-12-28 5218 Riverside Andreas Canyon, east base of San Jacinto Mts. 244 Comment
  SD186257  Boerhavia coccinea T. B. Salvato, Melissa Clemons 2005-6-23 1310 Riverside Temescal Valley, 3.0 miles northwest of Alberhill, Temescal Canyon Road at Corona Lake. 353 Comment
  UCR19106  Boerhavia coccinea John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Desert Center 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
  JOTR32409  Boerhavia triquetra var. intermedia Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 2 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  RSA0076343  Boerhavia wrightii A. C. Sanders, T. B. Salvato 2012-10-12 40402 Riverside Chuckwalla Mountains, Graham Pass, 7.6 km (c. 4.5 mi.) above the road to Chuckwalla Spring on Graham Pass Rd. 387 Comment
  RSA518305  Boerhavia wrightii A. C. Sanders 1989-9-20 9514 Riverside Chocolate Mountains Aerial Gunnery Range: Tabaseca Tank, in the extreme northern end of the Chocolate Mountains. 610 Comment
  RSA778409  Boerhavia wrightii Stephanie Rockwood, Christi Gabriel 2011-10-5 58 Riverside Corn Springs Wash off Corn Springs Road. Corn Springs exit from I10. Chuckwalla Mountains Wilderness. 416 Comment
  RSA192349  Boisduvalia densiflora H. A. Zuill 1966-7-7 277 Riverside About 3 miles SW of Murrieta- near junction to Santa Rosa Ranch. Comment
  UC1505770  Bolboschoenus maritimus Robert T. Clausen and Harold Trapido 1940-6-18 4674 Riverside Chino Canyon, Palm Springs 457 Comment
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Mar 23 2016
  UCR85430  Bolboschoenus maritimus subsp. paludosus A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15886 Riverside Sonoran (Colorado) Desert, Salton Sink: Dos Palmas oasis area, managed ponds near the Nature Conservancy preserve headquarters (Rancho Dos Palmas) -37 Comment
  SEINET10519835  Bouteloua aristidoides F. R. Fosberg 1932-1 Fosberg 8073 Riverside Thousand Palms. Comment
  JEPS8275  Bouteloua aristidoides var. aristidoides Rimo Bacigalupi with J. F. MacBride, Ruth D. Sanderson, and C. Leroy Custer 1952-4-1 Riverside along State Hwy 111 just opposite northern end of Salton Sea -57 Comment
  RSA0018894  Bouteloua barbata Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6030 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  RSA450461  Bouteloua barbata J. C. Roos 1965-9-5 s.n. Riverside 18 miles W of Blythe. Comment
  RSA792931  Bouteloua barbata Aaron C. Sedgwick, Cody Leslie 2012-9-20 120 Riverside South of 29 Palms Hwy 62 in a wash ~3 mi. east of Chadwick Rd. West of Ironage road ~1500 ft. 243 Comment
  JOTR32609  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
  SD7572  Bowlesia incana unknown 1882-4-23 Riverside Temecula Rancheria (mak 2/07) Comment
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Mar 25 2015
  UCR21925  Bowlesia incana Steve Boyd 1980-4-8 118 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR41245  Bowlesia incana N. M. Fellows, A. C. Sanders 1985-4-9 139 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
  UCR189571  Boykinia rotundifolia Theresa Johnson 2006-7-18 234 Riverside Santa Ana Mountains, on border of Riverside/ Orange County off the lower Holy Jim Trail 1232 Comment
  SEINET3921363  Brachypodium distachyon Scott D. White, Teresa Salvato 2001-6-8 8584 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. (Temecula).; 0 335 Comment
  UC2029928  Brachypodium distachyon Scott D. White, T. B. Salvato 2001-6-8 8584 Riverside SANTA ANA MOUNTAINS: Southern margin of county, just northeast of Rainbow Valley. Comment
  CHSC8088  Brandegea bigelovii Edward L. Smith 1958-3-22 389 Riverside Located 6 mi. e of Rice, near Priest's Well. 640 Comment
  CLARK-A1528-2786  Brandegea bigelovii John C. Roos 1967-11-18 Riverside Comment
  HSC7004  Brandegea bigelovii L. S. Rose 1967-12-21 67187 Riverside 2 mi. S of Palm Desert 61 Comment
  UC604848  Brandegea bigelovii Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9514 Riverside 19 mi from Cottonwood Springs (n end of Pinto Basin); Pinto Basin Comment
  UCR248434  Brandegea bigelovii Duncan S. Bell 2012-3-18 3194 Riverside Sonoran (Colorado) Desert, Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, c. 2.8 air miles southwest of Hidden Spring 20 Comment
  CLARK-A1528-345  Brassica geniculata Bob Sullivan 1966-3-26 Riverside Lake Mathews 396 Comment
  RSA0041948  Brassica tournefortii Duncan S. Bell, Loraine Washburn 2014-4-8 6588 Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  RSA770308  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4495 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 W116.64307 487 Comment
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Mar 7 2013
  UCR146688  Brassica tournefortii Scott D. White, Michael Honer 2004-3-11 9900 Riverside Peninsular Ranges; Santa Ana Mountains region, Corona area; c. 0.5 air mi east of I-15 and 1 air mi N of Eln Cerrito Rd. 320 Comment
  UC597720  Brickellia atractyloides Philip A. Munz 1937-5-29 15150 Riverside Deep Canyon Santa Rosa Mts. 1066 Comment
  CAS-BOT-BC106344  Brickellia atractyloides var. arguta Frank W. Peirson 1928-4-24 7900 Riverside Cottonwood Spring Comment
  CLARK-A1528-1664  Brickellia desertorum John C. Roos 1949-9-17 4662 Riverside Whitewater Canyon 609 Comment
  CLARK-A1528-5507  Brickellia desertorum John C. Roos 1949-9-21 4665 Riverside Reche Canyon 457 Comment
  UCR19255  Brickellia desertorum John C. Roos 1947-11-1 3752 Riverside Sonoran (Colorado) Desert, Eagle Mountains, mouth of Lost Palms Canyon, & up the canyon some distance Comment
  UCR20317  Brickellia desertorum John C. Roos 1949-9-17 4662 Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, E side Whitewater Canyon, 2.2 mi. north of Hwy 99 [=I-10]; W side of Painted Hill 612 Comment
  JOTR01240  Brickellia desertorum Cole, James E. 1942-5-19 960 Riverside Joshua Tree National Park. RUBY LEE MILL SITE 914 Comment
  UC1329829  Brickellia incana James E. Cole 1941-6-11 863 Riverside .25 mi below spring area Cottonwood Spring (Joshua Tree National Monument); Joshua Tree National Monument 1066 Comment
  SD135112  Brickellia oblongifolia var. linifolia Craig Reiser, Dylan Hannon 1993-5-30 Riverside Near Santa Rosa Peak Comment
  CAS-BOT-BC149332  Bromus arizonicus H. M. Hall 1905-1-1 5980 Riverside Colorado Desert. Comment
  UCR20626  Bromus carinatus John C. Roos, L. Roos 1954-5-29 6122 Riverside Canyon 1 mi SE of summit of Reche Canyon 686 Comment
  UCD58353  Bromus catharticus Fred M. Reed 1907-2-12 1205 Riverside Riverside, Arroyo Terquisite. Bluffs Ranch. Comment
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Mar 12 2011
  UCD58397  Bromus catharticus C. R. Hursh 1919-11-30 s.n. Riverside One mile north of Riverside. Comment
  RSA131728  Bromus grandis E. K. Balls 1958-6-27 23293 Riverside Between Santiago Peak and Indian Truck Trail, along Main Divide, Santa Ana Mountains. 1372 Comment
  UCR92281  Bromus hordeaceus Scott D. White, M. D. Wilcox 1995-7-11 3472 Riverside Peninsular Range; Santa Ana Mtns., upper forks of Decker Canyon, SW of Main Divide Truck Trail 730 Comment
  CSUSB434  Bromus rubens Leland E. Francois 1966-3-8 3866 2 Riverside City of Riverside. Southwest corner of U.S. Salinity Laboratory. Property on corner of 14th Street and Palm Ave. 289 Comment
  RSA586130  Bromus rubens D. L. Banks 1995-4-11 173 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 Dripping Springs Trail., 33 deg 26' 18''N-116 deg 58' 27''W. 950 Comment
  RSA91692  Bromus rubens F. W. Peirson 1918-03 1557 Riverside Palm Springs Comment
  SEINET4404474  Bromus rubens N. D. Atwood 1993-3-27 17691 Riverside Corona Del Mar State Park, along Newport Coast Drive 0 Comment
  UCR138630  Bromus tectorum Scott D. White 1997-5-18 5165 Riverside San Jacinto Mtns., Vista Grande Area: just west of USFS Vista Grande Fire Station (i.e. Hwy 243, c. 10 road mi SE of Banning) 1509 Comment
  UCR88438  Bromus trinii A. C. Sanders, K. C. Rose 1995-4-5 16353 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR232025  Caesalpinia gilliesii John F. Green 2008-4-24 13- 10 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  JEPS22574  Caesalpinia virgata Rimo Bacigalupi with Paul Hutchison 1958-2-19 6206 Riverside 11 mi. e. Mecca (below & s.w. of Shaver's Well, along CA Hwy. 195, 8.9 mi. w. of junction with U.S. Hwy. 60-70, in wash of Box Canyon); Box Canyon 228 Comment
  RSA405286  Caesalpinia virgata N. Dunn, A. Martin 1932-3-26 s.n Riverside Oasis Comment
  RSA405290  Caesalpinia virgata M. B. Dunkle 1933-3-4 3033 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA658621  Caesalpinia virgata Nancy J. Mann 1976-4-25 s.n. Riverside Box Canyon, Box Canyon Raod, from I-10 to Mecca. Growing on rocky hillsides abouve road cut. Comment
  UCR172199  Calandrinia ciliata John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  POM248021  Callitriche marginata P. A. Munz 1941-3-18 16658 Riverside North end of Santa Rosa Ranch, Elsinore Mountains. 854 Comment
  POM48361  Calocedrus decurrens Philip A. Munz, I. M. Johnston 1924-7-28 8799 Riverside Pine Flats 1738 Comment
  RSA773589  Calochortus invenustus Duncan S. Bell, J. D. England 2010-6-14 1301 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., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1367 Comment
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May 26 2014
  RSA0066240  Calochortus invenustus Anonymous s.n. Riverside Strawberry Valley. 1524 Comment
  RSA525421  Calochortus splendens Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4529 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at junction of Highway R3 and Powerline Road, NE of the lake. Comment
  UCR128310  Calochortus weedii var. intermedius Scott D. White, Michael Honer 2003-6-17 9548 Riverside S Perris Basin, Murrieta. Interstate 215 / Clinton Keith interchange 457 Comment
  SD133195  Calycoseris parryi Scott White 1991-5-13 91 89 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 550 Comment
  RSA472429  Calycoseris wrightii M. B. Dunkle 1932-3-26 2948 Riverside 4 miles south [east] of Banning Comment
  RSA564036  Calycoseris wrightii A. C. Sanders 1992-4-4 12114 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA776642  Calycoseris wrightii Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1099 Riverside Alligator ACEC, north side of Chuckwalla Mountains, just south of Desert Center 413 Comment
  UCR72385  Calycoseris wrightii Theo Glenn 1992-3-31 92- 14 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  SD215627  Calyptridium monandrum Steve Boyd, Tim Ross, et al. 1990-4-2 4031 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain along Highway 79. 487 Comment
  UCR116626  Calyptridium monandrum A. C. Sanders 2001-3-20 23848 Riverside Western Colorado Desert, Coachella Valley, Garnet, north side of 19th Ave., 1/2 mi. (airline) NW of intersection of I-10 and Indian Ave. 235 Comment
  UCR116785  Calyptridium monandrum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24163 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR177410  Calyptridium monandrum Scott D. White 2003-3-23 8837 Riverside Santa Rosa Mountains, Desert slope, Hwy 74 near Carrizo Creek crossing 762 Comment
  UC729873  Calyptridium monospermum Carl B. Wolf 1932-8-5 3983 A Riverside San Jacinto Peak, summit San Jacinto Peak; San Jacinto Mountains, San Jacinto Peak 3293 Comment
  RSA719788  Calyptridium parryi var. parryi Naomi Fraga, John McDonald, Michael Wall 2006-11-16 1875 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  CSUSB670  Calystegia macrostegia Bruce Freeman 1968-4-6 680406 2 Riverside Campus of UC Riverside. In drainage gulley, about 50 yards from gate to Botanical Gardens. 335 Comment
  RSA422203  Calystegia macrostegia subsp. arida G. R. Johnstone 1934-3-27 18570 Riverside Near Wildomar. Inland route to Temecula. Comment
  RSA465922  Camissonia bistorta D. A. Young 1968-3-28 P 331 Riverside At end of Hayfield Road, South of Interstate 10. Creosote scrub. 305 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
  UCR120960  Camissonia bistorta A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23879 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  RSA465964  Camissonia boothii subsp. condensata M. B. Dunkle 1933-3-4 3044 Riverside Painted Canyon 30 Comment
  JOTR31893  Camissonia brevipes subsp. brevipes La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2143 Riverside Joshua Tree National Park. West Cottonwood Mountains; east edge of Pinkham Wash east of Pinkham Canyon Road; loose, cobbley, south facing slope above large drainage Comment
  RSA135157  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-3-16 11856 Riverside outwash plain below Cottonwood Springs, Joshua Tree National Monument. Comment
  RSA136654  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-3-1 11749 Riverside Colorado Desert. Alluvial fan along US Highway 95, 16.1 miles north of Blythe. Comment
  POM7035  Camissonia californica P. A. Munz 1919-3-25 2317 Riverside Palm Canyon, Palm Springs. 229 Comment
  RSA339645  Camissonia californica Robert F. Thorne, C. W. Tilforth 1980-5-28 54238 Riverside San Bernardino Mountains: rocky and sandy wash along Whitewater River, ca. 3.2 miles N of Whitewater PO and Highway 10. Comment
  RSA346271  Camissonia californica Robert F. Thorne, Dick Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54035 Riverside San Bernardino Mountains: At mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 415 Comment
  RSA466168  Camissonia californica Christopher Davidson, B. Gustafson 1977-4-7 5584 Riverside Whitewater Canyon Road, (exit from I-10 ca. 2.5 miles W of junction I-10 with State 62. Near start of Angeles [actually Pacific] Crest Trail.). Rocky sandy stream channel joining the main Whitewater Wash. 610 Comment
  UCR176903  Camissonia californica Tracy Tennant 1998-5-13 2003 Riverside Peninsular Range, Vail Lake outlet, Temecula Creek Canyon 488 Comment
  RSA454756  Camissonia campestris subsp. campestris E. Mannatt 1931-4-19 18744 Riverside Hemet Comment
  POM248149  Camissonia cardiophylla Unspecified 1939-1 s.n. Riverside near Mecca Comment
  RSA454736  Camissonia cardiophylla Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UCR166848  Camissonia claviformis Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  RSA792748  Camissonia confusa Robert F. Thorne 1995-3-29 63034 Riverside White Water Canyon. 600 Comment
  UCR132486  Camissonia hirtella Tracy Tennant, T. B. Salvato 1998-6-23 477 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  UCR98676  Camissonia hirtella 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
  RSA186708  Camissonia intermedia Peter H. Raven 1962-4-22 17382 Riverside Along State Highway 71, 3.3 miles west of Dripping Springs Campground 457 Comment
  CLARK-A1528-661  Camissonia micrantha C. M. Flanagan 1973-5-20 OO 525 Riverside Morongo Indian Reservation 1158 Comment
  RSA593996  Camissonia micrantha D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0939 B Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  UCR116814  Camissonia pallida A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23944 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  RSA449243  Camissonia pallida subsp. pallida Anstruther Davidson 1904-5-1 1090 Riverside Palm Springs. Comment
  RSA144810  Camissonia refracta E. G. Linsley, J. W. MacSwain 1960-3-2 60 -10 Riverside 2 miles west of Desert Center. Comment
  RSA617858  Camissonia refracta Walter Wisura 1998-3-28 5115 Riverside 3.1 mi W of Corn Spring S of I-10. Comment
  SDSU3405  Camissonia strigulosa H. Wedberg 1958-3-30 197 Riverside On Cajalco Road, 0.2 mile west of Cajalco Fire Control Station, and 0.1 mile west of Mockingbird Canyon Road. Comment
  SDSU3334  Camissoniopsis bistorta H. Wedberg 1958-4-4 228 Riverside 6.3 miles south of Barton Road on Reche Canyon Road, south of Loma Linda. 619 Comment
  SBBG101791  Camissoniopsis intermedia S. Boyd, T. Ross, M. Hammitt 1991-5-2 6044 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  CAS-BOT-BC160539  Camissoniopsis lewisii Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4043 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  UC1186517  Camissoniopsis pallida subsp. pallida E. G. Linsley and J. W. MacSwain 1960-3-1 60 -1 Riverside Tamarisk Avenue Palm Springs Comment
  UC635401  Camissoniopsis pallida subsp. pallida H. L. Mason 1928-3-10 4234 Riverside near Indio Comment
  UCR109623  Carduus pycnocephalus R. D. Goeden, Don W. Ricker 1972-5-11 s.n. Riverside Box Springs Mtns., Highgrove, National Orange Co. property beyond E end of Palmyrita Ave. 412 Comment
  UCR25014  Carex alma George K. Helmkamp 1981-6-25 s.n. Riverside San Jacinto Mountains, Idyllwild. Strawberry Creek c. 200 yards south of the bridge near the U.S.C. campus. Comment
  CAS-BOT-BC19173  Carex barbarae H. E. Hasse 1903-6-21 s.n. Riverside San Jacinto Mountains. Round Valley. 2895 Comment
  UCR26921  Carex occidentalis A. C. Sanders 1980-7-22 1705 Riverside Peninsular Range; San Jacinto Mtns, [Forest Service] Rd. 4S02, c. 2.5 (airline) mi north of Pine Cove and c. 0.25 mi south of Dark Canyon campground 1768 Comment
  SD136989  Carex spissa Steve Boyd, Tim Ross, Dave Bramlet 1993-5-13 7375 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Wildhorse Canyon; from confluence with Los Alamos Canyon upstream approx. 1 mile; common in seepy ground understory of oak woodland on slope in side drainage just above first major waterfall. 410 Comment
  SEINET7575825  Carex spissa Steven R. Hill, Andrew C. Sanders 2001-1 Riverside Comment
  SEINET5766016 Image available Cassia armata John F. Emmel 1995-4-21 1365 Riverside Little Maria Mts., northwest end; large canyon and wash 0.4 air mile southwest of peak 2479 on 1952 USGS Midland 15' topographic quadrangle. Comment
  UCD105617  Cassia nemophila A. C. Sanders; K. C. Rose 1999-5-28 22794 Riverside Coachella Valley: between La Quinta and Indio, along Jefferson St. between Ave 54 and I-10. 10 Comment
  RSA425879  Castilleja affinis I. W. Clokey, C. B. Clokey, Bonnie C. Templeton 1930-4-15 449 Riverside Perris to Gavalian Peak 600 Comment
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Nov 8 2011
  UCR97665  Castilleja affinis A. C. Sanders, G. Helmkamp 1997-3-15 19962 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  JEPS8583  Castilleja affinis subsp. affinis Rimo Bacigalupi with J. F. MacBride, Ruth D. Sanderson, and C. Leroy Custer 1952-3-30 3550 Riverside 2.6 mi n Murrieta (along Calif Hwy 71, between Wildomar and Murrieta) 396 Comment
  JEPS8585  Castilleja affinis subsp. affinis Rimo Bacigalupi with J. F. MacBride, Ruth D. Sanderson, and C. Leroy Custer 1952-3-30 3549 Riverside 1 mi n Temescal Guard Station (State Highway 71, 9 mi se of Corona) 335 Comment
  UCR100155  Castilleja applegatei subsp. martini Scott D. White 1994-4-23 2034 Riverside San Bernardino Mtns, Millard Canyon, c. 8 air mi. north of Cabazon. USFS Rd 2S05.2, c. 0.3 mi. south of junction of 2S05.2 & 2S05B; c. 1.7 mi. south of Deer Spring & 1 mi. SW of Bear Wallow Spring 1311 Comment
  POM71676  Castilleja applegatei subsp. martinii Philip A. Munz 1924-5-18 8131 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  RSA507965  Castilleja applegatei subsp. martinii Steve D. Boyd, C. Boyd, R. Noyes, L. Arnseth 1988-5-28 2283 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UC488888  Castilleja applegatei subsp. martinii C. V. Meyer Jun 1927 167 Riverside Saunder's Meadow; San Jacinto Mts. 1737 Comment
  SEINET7073343  Castilleja densiflora 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
  UCR50580  Castilleja densiflora B. G. Pitzer 1988-2-28 622 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  RSA773670  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-24 1093 Riverside San Bernardino National Forest: Garner Valley, approximately 2.7 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1387 Comment
  JEPS10326  Castilleja exserta subsp. exserta W. L. Jepson 1935-4-17 19146 Riverside 1.5 mi n Elsinore 457 Comment
  UCR138912  Castilleja exserta subsp. exserta Julie A. Greene 1993-4-10 1175 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Drainage south of Duck Club Rd., and east of Davis Road 436 Comment
  RSA33496  Castilleja foliolosa N. C. Cooper 1944-5-6 1183 Riverside Banning. 701 Comment
  UCR15991  Castilleja foliolosa M. Wexler 1973-5-13 s.n. Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, 10.18 mi from Orange Co. line on State Route 74, east face of mountains 457 Comment
  UCR170117  Castilleja minor subsp. spiralis Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-31 124 Riverside San Bernardino Mtns. region, Morongo Indian Reservation; Lion Canyon 756 Comment
  UCR116067  Caucalis microcarpa O. F. Clarke, Jeanine Derby 1974-4-19 s.n. Riverside Lakeview Mountains, c. 2 mi. SSW of Mt. Rudolph, north of Juniper Flat, east of Juniper Flat Rd. and south of Stagecoach Rd., EIR for Tentative Tract 5702 610 Comment
  JOTR16634  Caulanthus cooperi Walters, Jim 1967-3-14 s.n. Riverside Joshua Tree National Park. 1/2 MILE SOUTH JUMBO ROCKS 1280 Comment
  RSA561811  Caulanthus heterophyllus Steve Boyd 1992-4-14 6833 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
  RSA735865  Caulanthus heterophyllus Scott D. White, Justin Wood, Juan Hernandez 2008-3-12 11764 Riverside Site of proposed Liberty Quarry. Mountains between Temecula Valley and Rainbow Valley just W of Interstate 15. N of the San Diego County Line. 335 Comment
  UCR174523  Caulanthus heterophyllus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32484 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR199926  Caulanthus heterophyllus Scott D. White, Justin Wood 2008-4-16 11889 Riverside Perris/Elsinore Basin, hills to the west of I-215 and south of Scott Rd. 549 Comment
  SD124697  Caulanthus lasiophyllus A. C. Sanders, B. Pitzer and D. Charlton 1986-3-1 6016 Riverside Chuckwalla Valley, 1.0 mile west of Hayfield Lake, 2.0 miles southwest of the pumping station on a small cutoff road from Hayfield Road . 424 Comment
  SEINET3507419 Image available Caulanthus simulans L. F. LaPre 1986-4-17 Riverside Bull Canyon, Gavilan Hills. Comment
  RSA0043328  Caulanthus simulans John F. Emmel 1991-5-22 1173 Riverside San Jacinto Mountains; side canyon of South Fork San Jacinto River, 1.3 air miles south of Halfway Spring (ca. 0.5 air mile southeast of Toll Road Canyon). 792 Comment
  RSA575070  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -R Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  UCD162860  Ceanothus crassifolius J. Bisbee 2014-3-4 801 Riverside South on abandoned road from near end of Woodchuck Rd, just inside Agua Tibida Wilderness boundary, 1 mile south of Hwy 79. 657 Comment
  UCR143147  Ceanothus crassifolius Steve Boyd, T. S. Ross 1993-3-23 7901 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
  SBBG105030  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
  UCR16497  Ceanothus cuneatus P. A. Rauch 1966-4-5 s.n. Riverside San Jacinto Mtns., [Hwy 74] at hairpin turn [White Post Turn], roadside 1098 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
  RSA0067949  Ceanothus cuneatus John F. Emmel 1994-4-17 1294 Riverside San Jacinto Mtns.; canyon 0.7-0.8 air mile ESE of Keen Camp Summit, north of Lake Hemet. 1387 Comment
  RSA289813  Ceanothus greggii var. perplexans Barry A. Prigge 1980-8-12 3924 Riverside San Bernardino Mountains, Whitewater Canyon: 1.5 miles upstream from trout farm. 808 Comment
  RSA59194  Ceanothus greggii var. perplexans Frank W. Gould 1943-4-18 2138 Riverside Riverside County Park east of Idylewild Comment
  SD129400  Ceanothus leucodermis Steve Myers 1990-3-21 Riverside Santa Rosa Plateau area: Along Los Gatos Road, 1/2 mi. S of Buena Vista Road (2 mi. W. of Sandia Canyon, & 0.1 mi. N of San Diego County Line) 366 Comment
  CAS-BOT-BC83760  Ceanothus ophiochilus D. O. Burge 2009-3-19 1065 b Riverside Oak Mountain, W of Vail Lake 640 Comment
  RSA570223  Ceanothus ophiochilus Steve Boyd, Tim S. Ross 1993-3-23 7892 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  UC729815  Ceanothus palmeri Carl B. Wolf 1932-8-4 3920 Riverside Point View near Idyllwild; San Jacinto Mts., Point View near Idyllwild 1645 Comment
  UCR23479  Ceanothus papillosus John C. Roos 1962-5-5 s.n. Riverside Peninsular Range, Santa Ana Mtns., east slope Strawberry [=Santiago? Sugarloaf?] Peak [on the Orange County line] Comment
  CAS-BOT-BC51916  Ceanothus perplexans Peter H. Raven 1958-5-17 12959 Riverside along road to Banning 6.1 miles North-West of Lake Fulmore, San Jacinto Mountains Comment
  SJSU9906  Ceanothus perplexans T. G. Balgooyen 1966-5-5 Riverside 20 mi S of Palm Springs 1219 Comment
  OBI77023  Ceanothus tomentosus H. E. McMinn 1935-3-28 4120 Riverside Along main hwy between Redlands and Beaumont, 5 mi E of Redlands Comment
  UCR95727  Cenchrus incertus D. L. Banks, Lauren Raz 1996-8-29 1133 Riverside Agua Tibia Mtns., NW Palomar Mtns, NW foothills of Dorland Mtn. Los Caballos Road, c. 0.5 m south of Hwy 79, 100 m north of the Golf Course access road. 399 Comment
  RSA263672  Centaurium venustum E. W. Lathrop 1968-6-2 6963 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
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Jun 6 2020
  UCR89852  Centaurium venustum Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3319 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
  CAS-BOT-BC226945  Centromadia pungens subsp. laevis A. C. Sanders; John F. Green 2012-5-27 40218 Riverside Peninsular Range; Perris-Aguanga Basin Region: Lake Elsinore, SE of Riverside Dr. (Hwy 74) on NE side of Pasadena Ave., NW of Central Ave. 386 Comment
  RSA0011486  Cerastium fontanum subsp. vulgare Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4992 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  CLARK-A1528-387  Cerastium glomeratum C. M. Flanagan 1973-5-12 OO 415 Riverside Morongo Indian Reservation 1158 Comment
  HSC85246  Cerastium glomeratum Steve Boyd 1986-4-20 1723 Riverside Harford Springs County Park, N of big meadow, Gavilan Hills Comment
  RSA198954  Cerastium glomeratum R. F. Thorne, O. Clark, S. Carlquist 1968-4-18 37428 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  CSUSB1298  Cercidium floridum Daniel Sall 1970-5-5 Riverside 200 yards south of Riverside County boundary sign, 20 feet from 29 Palms Highway. Comment
  CSUSB929  Cercidium floridum M. Quinlan 1974-4-18 Riverside Found in Riverside county about 4 miles from Palm Springs in the Agua Caliente Indian Reservation located in the San Andreas canyon. 304 Comment
  POM8988  Cercidium floridum Mary F. Spencer 1920-4-9 755 Riverside Colorado desert near Palm Springs Comment
  RSA405368  Cercidium floridum R. S. Woglum 1937-4-24 297 A Riverside Palm Springs. Comment
  LA47733  Cercocarpus betuloides Elizabeth McClintock; 1936-4-11 sn Riverside Ribbonwood, Pines to Palms Highway Comment
  RSA783295  Cercocarpus ledifolius J. D. Olmsted 1962-6-23 5306 Riverside SE San Bernardino Mts: near Calelectric residences at head of Banning Water Canyon 2210 Comment
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Feb 24 2013
  RSA676119  Chaenactis carphoclinia Scott D. White 2001-4-3 8221 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SEINET3005068  Chaenactis carphoclinia G. Rink 2011-5-1 10506 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  UCR251908  Chaenactis carphoclinia Jim Andre 2013-3-27 24837 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  JEPS8661  Chaenactis carphoclinia var. carphoclinia W. L. Jepson 1927-4-27 11664 Riverside near Mecca; Mecca Hills, Painted Canyon 76 Comment
  RSA152460  Chaenactis carphoclinia var. carphoclinia Rimo Bacigalupi, L. R. Heckard 1953-5-5 4071 Riverside Canyon sides along Morongo Creek, along Hwy between Morongo Valley and Coachella Valley, alt 2250ft. 686 Comment
  RSA178085  Chaenactis carphoclinia var. carphoclinia R. F. Thorne 1963-3-29 32384 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  UC894417  Chaenactis carphoclinia var. carphoclinia C. L. Hitchcock 1941-4-4 5948 a Riverside Pinto Basin Comment
  UC894420  Chaenactis carphoclinia var. carphoclinia Mary F. Spencer 1922-5-29 1756 Riverside nr Mecca; Painted Canyon -48 Comment
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Mar 24 2009
  POM351699  Chaenactis fremontii Ora M. Clark 1929-3-16 1710 Riverside N. of Whitewater, Colorado. Comment
  RSA749944  Chaenactis fremontii Justin M. Wood 2009-3-26 411 Riverside Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  RSA773044  Chaenactis fremontii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5037 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 W116.66013 750 Comment
  UC1518618  Chaenactis fremontii Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55440 Riverside e of, at s end of ridge Whitewater Post Office (e of bridge, and on base of w-facing slope of ridge); San Bernardino Mts., Mouth of Whitewater Canyon 411 Comment
  UCR88729  Chaenactis fremontii A. C. Sanders, K. C. Rose 1995-4-5 16382 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR133425  Chaenactis glabriuscula Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 209 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  UCR84651  Chaenactis glabriuscula Scott D. White, S. Ogg 1994-4-21 1974 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  LA83500  Chaenactis glabriuscula var. glabriuscula O. H. Kappler; 1950-4-1 2039 Riverside Cabazon, E of Banning 655 Comment
  POM6013  Chaenactis glabriuscula var. glabriuscula E. A. Zumbro 1902-04 15750 Riverside Near Riverside Comment
  RSA708415  Chaenactis glabriuscula var. glabriuscula Scott D. White 2005-3-29 10840 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  SD173226  Chaenactis glabriuscula var. glabriuscula Juergen Schrenk 2006-5-7 52 Riverside Anza Borrego State Park, Pacific Crest Trail above Tule Spring. (IPB 4/07) Comment
  CAS-BOT-BC277551  Chaenactis glabriuscula var. lanosa A. G. Vestal 1929-3-28 s.n. Riverside Near Banning Comment
  POM159847  Chaenactis glabriuscula var. lanosa E. C. Jaeger 1926-3-26 s.n. Riverside Cabazon Comment
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Mar 13 2011
  POM6607  Chaenactis glabriuscula var. lanosa Philip A. Munz, L. T. Street, Williams 1919-3-28 2372 Riverside San Gorgonio Pass, near Banning 701 Comment
  UC63022  Chaenactis glabriuscula var. lanosa H. M. Hall May 1899 1141 Riverside Kenworthy San Jacinto Mtns 1432 Comment
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Mar 25 2011
  RSA506438  Chaenactis parishii Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mountains, on Thomas Mtn Rd., S of Thomas Mtn. Lookout. Comment
  RSA0029324  Chaenactis stevioides Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4686 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
  RSA550344  Chaenactis stevioides Walter Wisura, John Dolan, Michael Wall 1992-3-25 4644 Riverside Lowdesert: Chuckwalla Road, 14.3 miles E of Corn Spring Road. Comment
  UC1563113  Chaenactis stevioides Steve Boyd and Orlando Mistretta 1986-3-13 1426 Riverside ne of Desert Center (jtn of Parker Dam Rd and 'Palen Rd' (rd going through pass between Palen and Granite Ranges)); Palen Mountains 243 Comment
  RSA0123690  Chamaesyce arizonica Duncan S. Bell, LeRoy Gross 2016-3-30 9148 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  RSA683918  Chamaesyce micromera Michael Denslow 2003-9-13 1550 Riverside Shavers Valley; I-10 at Mecca Exit, Box Springs Road. (Cottonwood Spring Quad) 470 Comment
  RSA779662  Chamaesyce parishii Duncan S. Bell, Lindsay Ward 2011-6-21 2697 Riverside The Mecca Hills; up a small slot canyon off of Box Canyon, approximately 4.3 air miles southwest of Shavers Well, or approximately 1.75 air miles northeast of the junction of Coachella Canal Road and Box Canyon Road. 88 Comment
  RSA0099441  Chamaesyce polycarpa Duncan S. Bell, Evan Meyer 2014-10-29 7697 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 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
  RSA779803  Chamaesyce polycarpa Duncan S. Bell 2009-3-9 102 Riverside Arica Mountains: southeast section of the mountain range approximately 1.2 air miles from Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 307 Comment
  RSA5159  Chamaesyce polycarpa var. hirtella C. B. Wolf 1932-4-26 2970 Riverside 3 mi. east of Mecca on Blythe Road. 0 Comment
  RSA576451  Chamaesyce polycarpa var. hirtella Marjorie D. Clary 1937-3-7 2785 Riverside Road to Fargo Canyon, Little San Bernardino Mts., north side of Colorado Desert; 244 Comment
  POM8325  Chamaesyce serpillifolia H. M. Hall 1904-5-24 4961 Riverside Santa Ana river near Riverside. 244 Comment
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Nov 24 2016
  JOTR32616  Chamaesyce setiloba La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1021 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
  UC2026401  Chamaesyce setiloba Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10052 Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  JOTR34165  Cheilanthes covillei Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 122 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Pinyon Well; Riparian area near small series of active springs and seeps (Stop 2) 1182 Comment
  SEINET3153702  Cheilanthes covillei S. B. Parish 1907-4-16 6112 Riverside Western border of the Colorado desert 400 Comment
  UCR162399  Cheilanthes covillei S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  SEINET6744643  Cheilanthes intertexta G. R. Vasey 1881-1 Riverside Whitewater Comment
  POM893  Cheilanthes newberryi I. M. Johnston 1918-5-30 s.n. Riverside Temescal Canyon (between Elsinore and Corona) 304 Comment
  UCR125199  Cheilanthes newberryi Mitch Provance 1998-5-24 529 Riverside Jurupa Mtns., Belltown area, 'Belltown Hill', small knoll near the E corner of Agua Mansa Rd. and Crestmore Rd./ Market St. 299 Comment
  UCR12622  Cheilanthes newberryi R. P. Sunderman 1968-4-26 4 Riverside Peninsular Range, Riverside; UCR campus 396 Comment
  RSA686409  Cheilanthes parryi T. R. Pray 1960-3-4 1647 Riverside Andreas Canyon Comment
  UC1400744  Cheilanthes parryi Alan R. Smith 1973-3-24 576 Riverside ca. 5 mi n of Interstate 10 from Chiriaco Summit Palm Canyon; Joshua Tree Nat'l Monument Comment
  UC71221  Cheilanthes viscida W. G. Wright April 1880 Riverside White Water Canyon Comment
  SEINET3090329 Image available Chenopodiastrum murale Leland R. Dykes 1962-3-25 3 Riverside 4831 Rubidoux Ave., Riverside. Comment
  UCR274541  Chenopodium album Mitch Provance, Ken Halama 2003-6-15 17062 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  SEINET238531  Chenopodium berlandieri T. B. Salvato, A. C. Sanders 2000-4-27 59 Riverside Coachella Valley: between Filmore & Buchanan on Avenue 56. -37 Comment
  UCR115434  Chenopodium berlandieri Scott D. White 1994-6-23 2095 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR125294  Chenopodium berlandieri A. C. Sanders 2002-11-21 25627 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy,' mouth of Bixby Canyon 457 Comment
  VVC1454  Chenopodium berlandieri A. C. Sanders, J. Mac 1996-11-23 19654 Riverside San Bernardino Mtns., Whitewater Canyon, just below the fish hatchery 648 Comment
  SD181597  Chenopodium berlandieri var. sinuatum Scott D. White 1998-10-13 7181 Riverside Corona, near Bedford Cyn, dissected alluvial slope, foothills at eastern slope of Santa Ana Mtns, 'Joseph Canyon' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. USGS 7.5' corona South quad. 334 Comment
  UCR21846  Chenopodium berlandieri var. zschackei 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
  RSA0105842  Chenopodium botrys Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UCR265473  Chenopodium fremontii Jordan Zylstra 2014-8-17 14023 Riverside Santa Rosa Mountains, vicinity of Pinyon Flat and head of Cactus Springs Trail, south of Hwy 74 1280 Comment
  UCR91041  Chenopodium murale George K. Helmkamp 1996-1-18 96-8- 3 Riverside Sonoran (Colorado) Desert, Colorado River Valley, c. 2 miles NE of Blythe 82 Comment
  CDA3100  Chenopodium strictum Mitch Provance 2000-11-2 2293 Riverside Reid Park, ca. 0.5 mile SW of the corner of Placentia Ln. and Orange Street, North Riverside. Comment
  UCR145576  Chenopodium strictum var. glaucophyllum 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
  CLARK-A1703-1256  Chilopsis linearis Robin L. Kobaly 1977-3-23 Riverside Box Canyon Comment
  UCR193910  Chilopsis linearis A. C. Sanders, Mitch Provance 2008-7-11 35824 Riverside South Coast; San Jacinto Valley, Gilman Springs Road, 1.13 mi. (air) south of Eden Hot Springs, below Mt. Eden 450 Comment
  UCSB8346  Chilopsis linearis Ralph, F. 1959-5-17 Riverside Along Hwy. 74 between Cathedral City and Palm Desert, 0.3 miles east of Cathedral City limits 152 Comment
  RSA247963  Chilopsis linearis subsp. arcuata R. F. Thorne, S. T. Blake 1965-6-1 34714 Riverside Morongo Valley pass 488 Comment
  UC2047744  Chilopsis linearis subsp. arcuata Sarah J. De Groot with Duncan S. Bell 2015-5-14 7373 Riverside White Water, along Pacific Trail about 400 m south of Forks 3028, and about 450 m south of Red Dome. Southeast side of San Bernardino Mountains of Red Dome. USGS quad: Catclaw Flat 7.5' Q. Comment
  UC887877  Chilopsis linearis subsp. arcuata Lewis S. Rose 1935-12-22 35682 Riverside Palm Canyon Wash Colorado Desert, Palm Canyon Wash 182 Comment
  RSA0018891  Chloris virgata Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6027 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  UCR2285  Chloris virgata F. M. Reed 1936-8-26 9802 Riverside Riverside, on the Bell lot, Massachusetts Avenue 290 Comment
  UC63965  Chlorogalum parviflorum Miss Ella Foster 1897-5-15 534 Riverside Menifee Menifee (Southern California) Comment
  UCR50892  Chorizanthe brevicornu A. C. Sanders 1988-5-11 7805 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  RSA0034932  Chorizanthe brevicornu A. Lee Haines 1974-7-8 s.n. Riverside North side of Orocopia Mts. 396 Comment
  CAS-BOT-BC191712  Chorizanthe brevicornu var. brevicornu Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13259 Riverside U.S. gypsum mine property in Little Maria Mts., 2.3 mi above Midland P.O. Comment
  JOTR30957  Chorizanthe brevicornu var. brevicornu La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1932 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  POM12067  Chorizanthe brevicornu var. brevicornu Mary F. Spencer 1921-3-16 s.n. Riverside Mecca. -60 Comment
  UCD99686  Chorizanthe brevicornu var. brevicornu Geoffrey Levin 1975-4-5 472 Riverside Box Canyon Wash on State Highway 195, 18.3 mi. NE of Jcn. Of 195 and 111 (Mecca). Between Mecca Hills and Orocopia Mts. 30 Comment
  RSA392655  Chorizanthe corrugata Christopher Davidson 1979-4-4 7695 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  CHSC1316  Chorizanthe fimbriata var. fimbriata E. Thomas 1931-6-3 5 /26/1940 Riverside Temecula canyon. Comment
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Mar 27 2011
  CAS-BOT-BC191353  Chorizanthe leptotheca John Thomas Howell 1927-8-2 2926 Riverside top of Control on road to Hemet, Mt. San Jacinto 1371 Comment
  CAS-BOT-BC460911  Chorizanthe leptotheca H. M. Hall 1901-7-1 2255 Riverside San Jacinto Mountains: Fuller's Mills Mountains, west end 1584 Comment
  POM158447  Chorizanthe leptotheca P. A. Munz 1927-5-21 10879 Riverside 10 miles SW of Coahuila [now Cahuilla]. Comment
  RSA487227  Chorizanthe leptotheca James L. Reveal, Rose Broome 1987-6-27 6611 Riverside Along the road toward Lake Hemet Campground on the N shore of Lake Hemet, 0.2 mile E of the Lake Hemet Picnic Area and 0.8 mile W of California Hwy 74. 1631 Comment
  UC450104  Chorizanthe leptotheca F. M. Reed 1905-6-9 778 Riverside Riverside and vicinity 365 Comment
  UCR217518  Chorizanthe parryi var. parryi Lee A. Ripma 2008-5-12 96 Riverside Perris-Aguanga Basin, Diamond Valley Lake, 1.6 km southeast of the intersection of Warren Rd and Simpson Ave. Hilltop. 657 Comment
  SJSU9101  Chorizanthe rigida R. C. McGehee 1970-4-15 200 Riverside Wileys Well c. 26 mi SW of Blythe Comment
  UCR84592  Chorizanthe xanti subsp. leucotheca Scott D. White, S. Ogg 1994-4-21 1976 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR230194  Chrysanthemum coronarium A. C. Sanders, T. B. Salvato 2011-4-29 39357 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, McLaughlin Rd. east of Palomar Rd., near powerplant and railroad 445 Comment
  JEPS23431  Chylismia cardiophylla subsp. cardiophylla M. French Gilman 1845-1 716 Riverside Palm Springs of San Jacinto Comment
  SD185268  Chylismia claviformis Nathan Moorhatch 2005-2-17 Riverside Western Sonoran Desert: Coachella Valley, east edge of Santa Rosa Mountains, La Quinta west of Washington St. between Ave. 48 and Lake La Quinta Dr. -36 Comment
  UCD103856  Chylismia claviformis G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2713 Riverside Colorado Desert. Midland Road, 3.8 miles SE of Midland, Little Maria Mountains. Comment
  UCR269838  Chylismia claviformis A. C. Sanders, Jim Malusa 2016-3-18 42380 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  CAS-BOT-BC160610  Chylismia claviformis subsp. aurantiaca Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC160629  Chylismia claviformis subsp. aurantiaca Aven Nelson; Ruth A. Nelson 1939-3-22 3215 Riverside Near Palm Springs, hiway 99 Comment
  CAS-BOT-BC160636  Chylismia claviformis subsp. aurantiaca R. J. Dobbs 1927-3-30 2975 Riverside Palm Springs Comment
  UC635281  Chylismia claviformis subsp. aurantiaca H. L. Mason 1928-3-10 4182 Riverside Whitewater River Comment
  UC873934  Chylismia claviformis subsp. aurantiaca Ira L. Wiggins 1937-3-9 8759 Riverside gravelly wash 5 mi w Shaver's Well Comment
  RSA0123701  Cirsium neomexicanum Duncan S. Bell, Thomas Stoughton 2016-4-12 9235 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.75 air miles northwest of Rabbit Peak. 698 Comment
  POM98805  Cistanthe ambigua P. A. Munz 1926-1-31 9982 Riverside Clay hills, west of Dos Palmos, Colorado Desert. Comment
  CAS-BOT-BC438846  Cistanthe monandra F. H. Billings 1926-1-25 7 Riverside Palm Springs Comment
  CAS-BOT-BC172425  Clarkia bottae C. L. Hitchcock 1928-5-20 57 Riverside Santa Ana Canyon, 8 miles west of Prado 400 Comment
  UCR133448  Clarkia dudleyana Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 451 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR1639  Clarkia dudleyana R. G. Barber 1962-5-12 98 Riverside Box Springs Mtns., top of Box Spring Mountain, near (south of) the main gorge [Big Springs Canyon] on the W side of the mountain 915 Comment
  UCR241198  Clarkia rhomboidea Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 258 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  RSA710929  Clarkia unguiculata A. C. Sanders, Seung-Chul Kim 2005-5-7 30050 Riverside 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 457 Comment
  UCR213472  Clarkia unguiculata A. C. Sanders 2010-5-19 38417 Riverside Peninsular Range/San Bernardino Valley, Riverside, western end of North Hill, edge of Fairmont Park, above intersection of Redwood Dr. and Randall Rd. 250 Comment
  VVC423  Claytonia parviflora A. C. Sanders, J. Mac 1997-5-4 20634 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
  RSA117664  Claytonia perfoliata subsp. perfoliata S. S. Tillett 1956-4-8 428 Riverside At intersection of US 91 and Cal 71, SW of overpass. Comment
  RSA228816  Claytonia perfoliata subsp. perfoliata Colin M. Wainwright, Larry DeBuhr 1972-2-10 602 Riverside Santa Rosa Plateau, ca. 5 miles south west of Murrieta near Forest Route 7S01. 487 Comment
  RSA469300  Claytonia perfoliata subsp. perfoliata Dorothy R. Wolf 1932-3-20 6 Riverside Richman Ranch 2.5 mi N of De Luz. SW Riverside County 457 Comment
  UCR93017  Claytonia perfoliata subsp. perfoliata G. P. Schultz 1994-4-7 73 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  SD186309  Clematis lasiantha Andy C. Sanders, Mike Misenhelter 2005-6-15 31002 Riverside Sage-Auanga 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 640 Comment
  JOTR32029  Clematis pauciflora Herskovits, Tasya & Harding, Mitzi 2011-4-28 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Mountain: Wonderland of Rocks; Wall Street Mill trailhead; open sandy flats surrounding boulder outcrops 1304 Comment
  RSA0125187  Clematis pauciflora Duncan S. Bell 2016-3-3 8770 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3 air miles east northeast of Kitching Peak. 934 Comment
  POM294294  Cleome isomeris Lyman Benson 1949-3-28 13583 Riverside 10 miles northeast of Palm Springs. Colorado Desert. 335 Comment
  RSA699997  Collinsia bicolor Jeanne Paxton 1934-4-15 s.n. Riverside Hagador Canyon Comment
  UCR1325  Collinsia childii Martha McCarthy 1960-3-27 s.n. Riverside Santa Ana Mtns, 1/3 mi west of Tenaja Rd., 12.2 mi from junction with Washington Ave., Murrieta 732 Comment
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Jul 12 2007
  RSA0117439  Collinsia concolor Scott D. White, Michael Honer 2003-4-9 8995 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak '2349.' 549 Comment
  UCR193330  Collinsia concolor A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35594 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, along foot trail from May Valley Road toward mapped spring 1560 Comment
  RSA543957  Collinsia heterophylla Steve D. Boyd, Orlando Mistretta 1991-5-9 6188 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  SBBG101698  Conium maculatum S. Boyd, T. Ross 1991-6-14 6378 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  UCR251980  Conium maculatum A. C. Sanders, T. B. Salvato 2014-7-2 41181 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCR224096  Convolvulus arvensis Justin M. Wood 2010-9-8 2605 Riverside Beaumont Badlands, San Timoteo Canyon, just southeast of El Casco Substation along San Timoteo Creek 640 Comment
  RSA535155  Convolvulus simulans Steve Boyd, Timothy S. Ross 1991-6-14 6405 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215, rolling hills just SW of jtn of Briggs Rd and Scott Rd. Comment
  RSA386937  Conyza bonariensis K. Tomlinson, D. Kama, R. F. Thorne 1985-3-27 907 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  UCR146488  Conyza canadensis Scott D. White, Angelia Carey 2004-9-16 10757 Riverside San Jacinto Mtns foothills, Indian Creek watershed, above confluence with San Jacinto River 579 Comment
  RSA5221  Corallorhiza maculata Carl B. Wolf 1932-8-5 3946 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2622 Comment
  JEPS6811  Cordylanthus nevinii Carl V. Meyer 1928-7-26 528 Riverside Roach Sawmill site San Jacinto Mountains 2072 Comment
  UCR17523  Cordylanthus nevinii Frank C. Vasek 1979-7-26 s.n. Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  SEINET13682285  Cordylanthus rigidus J. VanDeventer 1903-1 15 Riverside San Jacinto Mountains. Comment
  RSA0010995  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Colleen Wheeler 2010-7-19 1634 Riverside San Bernardino National Forest: Garner Valley, approximately 1.9 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1376 Comment
  UCR108473  Coreopsis A. C. Sanders, D. Woodard, K. C. Rose 1995-3-22 16195 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  UCR244385  Coreopsis bigelovii Jim Andre 2012-4-16 20954 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
  RSA523515  Coreopsis californica Steve Boyd 1990-3-30 3974 Riverside Vail Lake area, valley between Black Hills & Rocky Ridge. 701 Comment
  RSA552693  Coreopsis californica Steve Boyd, Orlando Mistretta, Timothy S. Ross 1992-2-26 6701 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  POM259196  Corethrogyne filaginifolia P. A. Munz 1938-8-13 15337 Riverside East of Santa Rosa Peak. 2378 Comment
  RSA660640  Corethrogyne filaginifolia Starr Streight 1982-4-17 5 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  SDSU12966  Corethrogyne filaginifolia var. filaginifolia Michael G. Simpson 1999-10-27 2034 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  RSA13961  Coryphantha alversonii P. A. Munz 1922-4-13 5015 Riverside Eagle Mountains, Colorado Desert. Sandy wash from Anshutz Canyon. 366 Comment
  RSA645672  Coryphantha alversonii Scott D. White 1999-4-20 7269 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe. 91 Comment
  SBBG53851  Crassula aquatica J. C. Roos 1952-4-9 5514 Riverside rolling flats at Edgemont, near Box Springs 487 Comment
  UCR155158  Crassula connata A. C. Sanders, Kelly Volansky 2005-3-17 29202 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR41243  Crassula connata N. M. Fellows 1985-3-3 99 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  RSA715901  Cressa truxillensis A. C. Sanders, Guy Bruyea 2003-6-12 26890 Riverside Winchester, SW edge of town between Simpson Ave. and Olive Ave., ca. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  RSA735852  Cressa truxillensis Scott D. White, Justin M. Wood 2008-4-15 11875 Riverside Perris Valley: Interstate 215, between Nuevo Rd and Scott Rd. 427 Comment
  UCR281114  Cressa truxillensis Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-23 517- 26 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
  UCR59801  Cressa truxillensis Jeri Hirshberg 1989-7-20 s.n. Riverside Vicinity of Lake Skinner: drainage west of dam Comment
  UC1121542  Crocanthemum scoparium var. vulgare A. Lewis May 1934 452 Riverside Decker Canyon Cleveland National Forest, Elsinore Quad. 640 Comment
  CAS-BOT-BC175810  Crossosoma bigelovii P. A. Munz 1935-4-8 13834 Riverside Sheephole Mts., southern Mojave Desert 1066 Comment
  RSA1256  Crossosoma bigelovii B. D. Stark 1930-5-4 823 Riverside Morongo Pass. Comment
  RSA356896  Crossosoma bigelovii R. F. Thorne 1966-10-15 41781 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  RSA625172  Crossosoma bigelovii L. C. Wheeler 1963-3-17 8247 Riverside Santa Rosa mountains: Martinez Canyon. 670 Comment
  UC536862  Crossosoma bigelovii M. C. Jones 1934-2-18 Riverside Whitewater Canyon Colorado Desert Comment
  UCR9246  Crossosoma bigelovii D. H. Wilken 1966-3-26 791 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Canyon, near palm oasis along E side of canyon. 610 Comment
  RSA480577  Croton californicus P. J. Remple 1942-3-3 s.n. Riverside Garnet Station. Comment
  SFV11883  Croton californicus R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UCD141984  Croton californicus G. L. Webster; R. Hildreth 1966-12-11 7474 Riverside Aguanga Valley, above Aguanga. 640 Comment
  UCR136187  Croton californicus Virginia Moran 2003-9-1 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  SEINET10493393  Croton californicus David B. Dunn 1948-6-18 Dunn 3827 Riverside Desert floor on the way out along dirt road from Coldwater Canyon. Comment
  CDA35285  Croton californicus var. mohavensis A. C. Browne 1952-4-23 Riverside Palm Springs 0 Comment
  RSA314490  Croton californicus var. mohavensis R. F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55357 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  SEINET239045 Image available Crypsis schoenoides A. C. Sanders, Mitch Provance 1999-9-26 23107 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd. 1.4 mi. S of Eden H 433 Comment
  JOTR29432  Cryptantha angustifolia La Doux, Tasha, M. Bell, B. Truesdell 2006-3-22 1366 Riverside Joshua Tree National Park. East Wide canyon 499 Comment
  OBI53701  Cryptantha angustifolia Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2143 Riverside N end of Palen Mts, 2 mi W of Palen Pass 300 Comment
  RSA353601  Cryptantha angustifolia R. F. Thorne 1978-4-23 52033 Riverside Chino Canyon Comment
  UC180099  Cryptantha angustifolia Jos. Burtt Davy 1902-3-25 7949 Riverside Indio Comment
  UCR213277  Cryptantha angustifolia A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37426 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  JEPS67489  Cryptantha barbigera Marjorie D. Clary 1932-5-25 1167 Riverside n of Indio; Colorado Desert, Little San Bernardino Mts., Berdoo Canyon 609 Comment
  POM368287  Cryptantha barbigera Robert Gustafson 1980-4-3 1525 Riverside Orocopia Mountains, about 6 miles east of Mecca along Box Canyon Road, south of the road 305 Comment
  SBBG81510  Cryptantha barbigera S. A. Junak 1983-3-23 1617 Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  UCR1353  Cryptantha barbigera Frank C. Vasek 1960-3-24 600324- 25 Riverside Santa Rosa Mtns., Palms-to-Pines Highway, 4.8 miles east of Pinyon Flat [near Dos Palmas Spring] at a long wide turnoff on north side of road 1067 Comment
  UCR97480  Cryptantha barbigera John Wear, N. Moorhatch 1997-3-13 s.n. Riverside San Jacinto Mtns. / Coachella Valley, S of Chino Canyon, at NW end of Palm Springs. 350 Comment
  RSA777447  Cryptantha costata Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 968 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  UCR228207  Cryptantha costata Dave Silverman 2010-3-24 7824 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 5.1 km SE of Sidewinder Well, 2.7 km SW of Palen Dunes Dr., and 3.4 km N of Interstate 10 133 Comment
  UC1922534  Cryptantha costata Michael Honer, Dave Silverman 2005-3-18 2096 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Valley; appx. 3 mi. due E of Desert Center Airport. Comment
  RSA0079522  Cryptantha cycloptera A. C. Sanders, E. J. Lawlor 1992-4-4 12128 Riverside Colorado Desert. McCoy Mountains, within 0.5 mile of McCoy Spring. 244 Comment
  HSC3605  Cryptantha flavoculata R. A. Eagle 1964-3-28 19 Riverside 5 mi. out of Palm Springs on the Thunderbird Rd. Comment
  UCR265823  Cryptantha intermedia Mitch Provance 2012-5-24 512- 04 B Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  GMDRC6540  Cryptantha intermedia var. intermedia J. M. Andre 2012-6-15 30492 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  RSA0062497  Cryptantha intermedia var. intermedia J. M. Andre 2012-6-15 30492 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  RSA0075621  Cryptantha intermedia var. johnstonii J. Mark Porter, V. Soza, Gary Wallace 2001-4-2 12337 Riverside Coachella Valley, along Big Morongo Wash, N of Indian Avenue, ca. 1.5 mi ESE jtn. with Hwy 62. 457 Comment
  RSA0075624  Cryptantha intermedia var. johnstonii F. W. Peirson 1918-03 1020 Riverside Field near Indio. Comment
  UCR18174  Cryptantha maritima A. C. Sanders 1978-4-2 00202 Riverside Coachella Valley, Hidden Valley, near the mouth of Deep Canyon 183 Comment
  UC24830  Cryptantha micrantha H. M. Hall May 1901 Riverside vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  RSA526080  Cryptantha micromeres Steve Boyd, Timothy S. Ross 1990-5-11 4653 B 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
  UCR44430  Cryptantha microstachys A. C. Sanders, B. Pitzer 1986-4-30 6479 Riverside San Jacinto Mtns, Bee Cyn, along the road [Bee Canyon Truck Trail], 1.1 miles above mouth of canyon at the San Jacinto River Valley 710 Comment
  UC64399  Cryptantha muricata H. M. Hall Jun 1901 2052 Riverside vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  SBBG34216  Cryptantha muricata var. muricata H. Haid 1969-5-11 Riverside Bautista Cyn, ca. 20 mi SE of Hemet 914 Comment
  JOTR30317  Cryptantha nevadensis La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1751 Riverside Joshua Tree National Park. Stop 2: Near Sand Hill in Pinto Basin 538 Comment
  OBI38910  Cryptantha pterocarya A. C. Sanders, w/ Pitzer, Charlton, & Kniffen, Kniffen 1986-3-3 6119 Riverside Corn Spring, Chuckwalla Mts, wash below the spring and wash and rocky slopes to the south (T6S, R16E, sec 28-projected) 488 Comment
  RSA0124380  Cryptantha pterocarya var. cycloptera Duncan S. Bell, LeRoy Gross 2016-3-31 9196 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 591 Comment
  UCR280918  Cryptantha pterocarya var. cycloptera Fred M. Roberts 2016-3-5 7993 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  RSA0079328  Cryptantha pterocarya var. purpusii J. R. Bruff 1928-4-2 s.n. Riverside Canyon wash 1 mile west of Morengo. Comment
  JOTR32474  Cryptantha utahensis Herskovits, Tasya, M. Harding 2011-5-20 10 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ryan Mountain; Rocky slopes bordering Ryan Mountain Trail (Stop 2) 1524 Comment
  RSA80960  Cryptantha utahensis G. R. Campbell 1952-4-6 18409 Riverside Joshua Tree National Monument. 1.5 miles toward Cottonwood Springs, off road to 29 Palms 975 Comment
  SBBG53357  Cryptantha utahensis J. Zabriskie 1975-3-26 Riverside Santa Rosa Mtns Comment
  SD134490  Cryptantha utahensis Craig Reiser 1992-4-11 Riverside Palms to Pines Highway, rocky desert slope overlooking Desert Bighorn Institute Comment
  RSA394342  Cucurbita palmata A. Menke 1955-4-27 s.n. Riverside 34 miles E of Desert Center. Comment
  POM122840  Cuscuta ceanothi Marcus E. Jones 1924-4-29 s.n. Riverside Idyllwild. Comment
  POM319077  Cuscuta ceanothi Patricia Wilder 1972-2-18 5359 Riverside North side of Norco, along the Santa Ana River at the end of Pedley St. 229 Comment
  UCR110418  Cuscuta pentagona A. C. Sanders, Mitch Provance 1999-9-26 23127 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  CLARK-A1528-2579  Cycloloma atriplicifolium John C. Roos 1965-9-26 Riverside Indio Comment
  RSA77261  Cyclospermum leptophyllum O. F. Clarke 1953-4-3 s.n. Riverside Grounds of Citrus Experiment Station. Comment
  SEINET5624467 Image available Cylindropuntia chuckwallensis Marc A. Baker 2012-4-9 17533 Riverside East of Red Canyon 7.5' USGS topographic quadrangle, along Salt Creek, 17.5km WNW of Black Butte in the Chuckwalla Mountains, 18km SE of Chiriaco Summit 498 Comment
  CAS-BOT-BC56160  Cylindropuntia echinocarpa L. R. Abrams 1926-3-26 11211 Riverside Field redacted by CAS, contact the data manager for more information 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
  JEPS15951  Cymopterus panamintensis var. acutifolius Marjorie D. Clary 1931-5-3 653 Riverside between Coachella Valley and Palo Verde Valley (Eagle Mountains); Eagle Mountains Comment
  RSA795945  Cynanchum utahense Duncan S. Bell 2009-4-19 273 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCD60014  Cynodon dactylon T. C. Fuller 1970-10-7 19798 Riverside Palo Verde Valley, southeast of Blythe. Comment
  UCR113854  Cynodon dactylon Mitch Provance 2000-6-24 2062 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  POM319412  Cyperus erythrorhizos Patricia Wilder 1970-10-15 4810 Riverside Prado Dam in Prado Flood Control Basin. East of Chino Hills. Santa Ana River Drainage Area. 122 Comment
  UCR201864  Cyperus erythrorhizos Justin M. Wood 2008-9-19 131 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of First Street Bridge 305 Comment
  SEINET3910348  Cyperus involucratus Robert F. Thorne 1965-4-4 41861 Riverside San Jacinto Mountains: tahquitz Falls, Tahquitz Canyon.; 0 Comment
  PASA617  Cyperus laevigatus Frank W. Peirson 1924-12-30 Riverside Thousand Palms Canyon 121 Comment
Read comments
Jun 24 2016
  RSA736764  Cyperus odoratus Scott D. White, Lynn Stafford 2007-7-5 11756 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  CDA20776  Dactyloctenium aegyptium M. Lahti 2006-9-18 PDR 1357285 Riverside Island Growers, 43401 Anza Rd., Temecula. In Ivy stock containers.Mostly southern US weed, occasional in California. 0 Comment
  HSC14692  Dalea mollissima H. E. Parks, W. H. Jordan Feb 1940 24162 Riverside Santa Rosa Canyon 305 Comment
  RSA404184  Dalea mollissima P. J. Remple 1942-3-1 s.n Riverside Between Indio and Palm Springs Comment
  RSA498349  Dalea mollissima I. M. Johnston 1917-4-4 s.n Riverside Near Palm Springs. 152 Comment
  CAS-BOT-BC283041  Dasyochloa pulchella Welder 1907-4-1 s.n. Riverside Murray Wash, Palm Springs Comment
  POM6767  Datisca glomerata P. A. Munz 1919-5-9 2730 Riverside Tahquitz Canyon 229 Comment
  RSA0108944  Datura discolor Duncan S. Bell, Amanda Bell 2012-1-28 3066 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  SEINET8465880 Image available Datura wrightii Unknown 1969-5-5 sn Riverside 1 mi south Corona, in field 207 Comment
  RSA500222  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3520 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA561892  Daucus pusillus Steve Boyd, Timothy S. Ross 1992-6-10 7635 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido , an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04)., At the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 671 Comment
  CAS-BOT-BC293827  Deinandra fasciculata John Thomas Howell 1930-5-10 4789 Riverside 2 miles south of Perris Comment
  JEPS12592  Deinandra fasciculata W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1576 Riverside Temescal Wash Comment
  CAS-BOT-BC294106  Deinandra kelloggii H. M. Hall 1901-6-1 2420 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1828 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
Read comments
Feb 4 2015
  RSA689567  Delphinium parishii Scott D. White, Michael Honer 2003-4-25 9111 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. 610 Comment
  UCD96241  Delphinium parishii H. Lewis; C. Epling 1941-5-7 s.n. Riverside 3 miles north of Cottonwood Spring, Joshua Tree Nat. Mon. Comment
  UC1031412  Delphinium parishii subsp. parishii H. Lewis and C. Epling 1941-5-7 Riverside 3 mi n Cottonwood Spring; Joshua Tree Nat. Mon. Comment
  RSA701498  Delphinium parryi M. Wall 1993-5-19 72 Riverside Sage Rd, 4.6 mi S of Red Mtn Rd SE of Hemet. Associated plants include Adenotstoma fasciculatum, Eriogonum fasciculatum, Collinsia concolor, and exotic grasses. Comment
  UCR281267  Delphinium parryi Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-18 417- 41 Riverside Perris-Aguanga Basin, Menifee, S side of Bundy Canyon Rd., E side of Loerch Ln., 0.2 miles W of Murrieta Rd. 518 Comment
  CAS-BOT-BC82956  Dendromecon rigida Steve Boyd 1986-4-22 1748 Riverside Temescal Canyon. Benches of Indian Wash just south of Interstate 15. Comment
  RSA263759  Dendromecon rigida subsp. rigida E. W. Lathrop 1971-3-24 7468 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  OBI23316  Descurainia Robert F. Hoover 1969-4-14 11241 Riverside Palm Springs, just S of South city limit Comment
  CAS-BOT-BC43096  Descurainia nelsonii Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9538 Riverside 2 miles from Cottonwood Springs, Cottonwood Mountains. Comment
  POM369432  Descurainia pinnata P. A. Munz 1932-3-14 11989 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  UCR35192  Descurainia pinnata subsp. menziesii L. B. Ziegler 1969-4-2 336 Riverside San Jacinto Mtns, Pinyon Flats 1250 Comment
  RSA433553  Dicentra chrysantha M. M. Thompson 1947-6-19 c- 2082 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UCR188886  Dicentra chrysantha Brent Barnes, Seung-Chul Kim, A. C. Sanders, UCR Plant Taxonomy class 2007-5-20 02 Riverside Peninsular Range; San Jacinto Mtns., Mt. Edna Road off Hwy 74 1159 Comment
  SEINET272343 Image available Dichelostemma capitatum A. C. Sanders, G. Helmkamp 1997-3-15 19923 Riverside Lake Skinner area: hill (1864) E of Skinner Lakeat NW end of Tucalota Hills 549 Comment
  UCR18534  Dichelostemma capitatum subsp. capitatum A. C. Sanders 1978-6-11 s.n. Riverside San Jacinto Mtns., James Reserve (above Lake Fulmor), near bridge over Indian Creek 1646 Comment
  SBBG51155  Dichelostemma capitatum subsp. pauciflorum W. Zabriskie 1973-3-21 Riverside Beeseep Cyn, Deep Cyn drainage 304 Comment
  SEINET8666167 Image available Dichelostemma pulchellum Sandy Gray 1981-4-1 12 Riverside CA Hwy 142 6 miles east of Corona, highway overpass. Comment
  CAS-BOT-BC292195  Dicoria canescens Marcus E. Jones 1924-12-10 s.n. Riverside Banning Comment
  RSA339628  Dicoria canescens R. F. Thorne 1980-5-28 54158 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
  SFV11885  Dicoria canescens R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  SEINET11853153  Dicoria canescens S. B. Parish, Parish, W. F. 1880-1 7 Riverside Whitewater Comment
  SEINET7883468 Image available Dicoria canescens Lewis S. Rose 1936-1 36820 Riverside Palm Springs 139 Comment
  CAS-BOT-BC292248  Dieteria asteroides var. asteroides H. M. Hall 1901-8-1 2648 Riverside San Jacinto Comment
  CAS-BOT-BC152914  Diplacus brevipes R. S. Woglum 1937-5-22 528 Riverside Temecula, Riverside county (southwest) Comment
  SEINET4095863  Diplacus longiflorus C. Davidson 1975-1 2803 Riverside Roughly two miles south of Banning on road R1 to Idyllwild; roughly 20 feet from road. 822 Comment
  RSA0018418  Diplacus longiflorus var. calycinus Scott D. White 1993-5-29 1438 Riverside San Bernardino Mountains: Banning Canyon and Big Oaks Canyon along the road to Raywood Flat, Yucaipa Ridge. Comment
  UCD114701  Diplotaxis muralis O. F. Clarke 2002-5-1 s.n. Riverside Riverside; UCR Botanical Garden. 351 Comment
  GMDRC9814  Ditaxis lanceolata J. M. Andre 2017-3-1 38018 Riverside Eagle Mountains: south end of range, 2.8 mi. north of Interstate 10 at Hayfield Rd exit 506 Comment
  POM8133  Ditaxis lanceolata Mary F. Spencer 1920-3-19 895 Riverside In rocks near Palm Spings 152 Comment
  RSA793558  Ditaxis neomexicana Duncan S. Bell 2012-9-13 4188 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  RSA793947  Ditaxis neomexicana Duncan S. Bell, John Anderson, Keir Morse 2012-11-11 4379 Riverside Mecca Hills: upper branch of Hidden Spring Canyon, approximately 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto. 250 Comment
  UCR244303  Ditaxis neomexicana Jim Andre 2012-4-15 20856 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  JEPS52446  Ditaxis serrata Marjorie D. Clary 1932-3-2 906 Riverside Bajada of Santa Rosa Mts., 3 mi w of Coral Reef Ranch, Coachella Comment
  CAS-BOT-BC43631  Dithyrea californica Geo. B. Grant 1906-4-8 with 6769 Riverside Palm Springs. Comment
  SD154066  Dodecahema leptoceras Fred Sproul June 1999 Riverside San Jacinto Wash in Valle Vista, east of Hemet, at gaging station. Observed over several acres both north and south of the San Jacinto River. This collection from population a marked on the enclosed map, north of river. Comment
  UCR60655  Downingia bella R. F. Thorne 1974-5-23 44682 Riverside Santa Ana Mtns., Santa Rosa Plateau, E of Redonda Mesa, Rancho California 610 Comment
  RSA757458  Downingia cuspidata R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55199 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de Colorado 625 Comment
  CAS-BOT-BC41633  Draba corrugata var. saxosa J. Ewan 1930-9-1 s.n. Riverside Summit of Mount San Jacinto. 3293 Comment
  CLARK-A1528-2314  Draba cuneifolia John C. Roos 1958-2-22 Riverside Chuckwalla Mountains Comment
  CLARK-A1528-2315  Draba cuneifolia var. integrifolia John C. Roos 1952-2-29 5369 Riverside Reche Canyon 548 Comment
  POM7016  Draba cuneifolia var. integrifolia P. A. Munz 1919-3-25 2311 Riverside Beaumont. 610 Comment
  RSA530888  Draba saxosa Anstruther Davidson 1896-7-11 1878 Riverside Top of San Jacinto Peak Comment
  POM212327  Drymocallis glandulosa Carl B. Wolf 1931-5-11 1961 Riverside San Jacinto Mountains: rocky places near Pipe Creek, above Hemet Valley 1677 Comment
  UC12542  Drymocallis glandulosa var. viscida H. M. Hall July 1901 2546 Riverside along tributary of Snow Creek , trib of Snow Creek (n side San Jacinto Mountains) 1524 Comment
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Nov 27 2011
  SD138002  Dryopteris arguta Darin L. Banks, Steve Boyd 1995-2-16 51 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope AguaTibia Mtn., south of Dripping Springs Alcove, east of Woodchuck Trail Comment
  CSUSB1004  Dudleya lanceolata Ken Stolte 1978-5-23 Riverside 1 mile south of junction of highway 60 and Central Ave. 200 meters east off Central Ave. in [city of] Riverside. Comment
  UCR25804  Dudleya saxosa John C. Roos 1937-4-18 1284 Riverside San Gorgonio Pass, Near Cabazon Comment
  JEPS49889  Dudleya saxosa subsp. aloides W. L. Jepson 1914-5-18 6011 Riverside n Indio (Lookout Mtn near Pinon Well); Colorado Desert Comment
  RSA303443  Dudleya saxosa subsp. aloides J. R. Shevock 1971-5-8 1036 Riverside White Tank, Joshua Tree National Monument. 1021 Comment
  RSA773038  Dudleya saxosa subsp. aloides Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5046 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
  RSA0002526  Echeveria lanceolata var. composta W. L. Jepson 1903-8-6 2285 Riverside Spruce Canyon, San Jacinto Mt. 1311 Comment
  JOTR34062  Echinocereus engelmannii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2960 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  SEINET4604429 Image available Echinocereus engelmannii subsp. engelmannii Marc A. Baker 2007-10-17 16623 .1 Riverside along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain 1420 Comment
  RSA0021860  Echinocereus engelmannii var. engelmannii Ora M. Clark 1929-3-17 1761 Riverside S. Palm Springs. Comment
  UCR110374  Echinochloa crus-galli A. C. Sanders, Mitch Provance 1999-9-26 23118 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  IRVC26899  Echinodorus berteroi S. B. Parish 1891-11-3 2246 Riverside Elsinore Lake 381 Comment
  UCR85593  Echinodorus berteroi Julie A. Greene, S. D. Boyd,, D. E. Bramlet, H. Flores, H. Ochoterana 1993-7-9 1414 Riverside San Jacinto Valley, San Jacinto Wildlife Area [northwest of Lakeview] 433 Comment
  UCR25217  Elatine brachysperma John C. Roos 1937-8-18 2538 Riverside San Jacinto Mtns, Hidden Lake Comment
  RSA234013  Elatine californica R. F. Thorne, E. W. Lathrop 1969-6-6 39320 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado 624 Comment
  UCR122541  Eleocharis macrostachya George K. Helmkamp, E. A. Helmkamp 2001-5-20 6670 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  UCR266472  Eleocharis macrostachya Mitch Provance, Robin Kinmont 2015-3-27 315- 49 Riverside Perris-Aguanga Basin Region, French Valley, Leon Rd. (unmarked dirt portion), along SCE transmission route between Benton Rd. and Auld Rd. 411 Comment
  CAS-BOT-BC113295  Eleocharis parishii A. C. Sanders; Mitch Provance; T. B. Salvato 2001-5-7 24170 Riverside Perris-Aguanga Basin region: S of Hemet, E end of Kiamond Valley, along Gibbel Rd. 0.5-0.75 mi. E of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon. Helmet 7.5' Quad 548 Comment
  UCR281004  Elymus condensatus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 37 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  LA14813  Elymus glaucus H. S. Yates; 1937-6-27 6713 Riverside San Jacinto Mountains, near Idlewild (Idyllwild) 1676 Comment
  UCR262262  Elymus glaucus T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3732 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
  UCR107742  Elymus glaucus subsp. jepsonii D. L. Banks 1997-5-5 1976 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
  SD234759  Elymus stebbinsii A. C. Sanders, T. Thomas, T. B. Salvato 2008-6-24 35560 Riverside Peninsular Range; San Jacinto Mtns.: May Valley c. 1.25 mi. SW of Fleming Ranch, nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1555 Comment
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Sep 26 2019
  RSA503145  Emmenanthe penduliflora Gary D. Wallace, D. H. Wilken 1966-3-26 242 Riverside San Bernardino National Forest. Whitewater Canyon 15miles East of Banning in mesa area. 427 Comment
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Jan 5 2010
  RSA682848  Emmenanthe penduliflora Scott D. White 2003-3-23 8841 Riverside Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  SD133074  Emmenanthe penduliflora Scott White 1991-5-13 91 97 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 548 Comment
  UCR140321  Emmenanthe penduliflora A. C. Sanders 2004-5-12 27886 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  SBBG35073  Emmenanthe penduliflora var. penduliflora T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  CAS-BOT-BC131161  Encelia actoni Lewis S. Rose 1935-12-23 35698 Riverside Above Deep Canyon, San Jacinto Mts. 914 Comment
  RSA613907  Encelia californica A. C. Sanders, O. F. Clarke 1997-5-4 20672 Riverside Baeumont: near railroad on E side of Hwy 79, S of I-10 793 Comment
  CAS-BOT-BC131348  Encelia farinosa E. A. McGregor 1917-3-17 770 Riverside West of Fig Tree [John's] Johns Comment
  RSA79160  Encelia farinosa P. A. Munz, Percy C. Everett 1952-5-2 16246 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  RSA795928  Encelia farinosa Duncan S. Bell 2009-4-19 281 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  SEINET2050631 Image available Encelia farinosa D. Gordon 1952-1-22 Riverside University of California, Riverside campus. 427 Comment
  UCD131212  Encelia farinosa R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley. Comment
  UCR165826  Encelia farinosa 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
  UCR232048  Encelia farinosa John F. Green 2008-4-15 0408- 11 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  UCR250882  Encelia farinosa S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1051 Riverside Lakeview Mountains, along powerline access road 0.22 mi. NE (25 deg. ) of intersection of Contour Ave. & Truffaut Dr. 613 Comment
  UCR41600  Encelia farinosa A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6032 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  UCR75064  Encelia farinosa A. C. Sanders, E. J. Lawlor 1992-4-4 12129 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR97262  Encelia farinosa Scott D. White 1993-3-12 1166 Riverside Near Winchester 466 Comment
  POM293694  Encelia farinosa var. farinosa Lyman Benson 1949-3-28 13575 Riverside Wash at east end of Pines to Palms Highway just above junction of Palm Springs-Indio Road; Mt. Range: Santa Rosa Mountains; Drainage area: Colorado Desert. 304 Comment
  POM356677  Encelia farinosa var. farinosa Norman C. Cooper 1949-4-8 3263 Riverside Mecca Pass east of Indio. 610 Comment
  POM4943  Encelia farinosa var. farinosa L. T. Street 1917-5-15 s.n. Riverside Elsinore. Comment
  CAS-BOT-BC131421  Encelia frutescens H. M. Hall 1905-4-1 5859 Riverside Near [Canon] Canyon Springs Comment
  JOTR34055  Encelia virginensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2954 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  RSA383860  Ephedra aspera N. R. Zabriskie 1969-1-4 176 Riverside Andreas Canyon near Palm Springs. 365 Comment
  SEINET3866917  Ephedra californica Lewis S. Rose 1955-3-14 55028 Riverside Whitewater Wash. 3 mi. se. of Palm Springs Station.; 0 305 Comment
  UC68597  Ephedra californica H. M. Hall 1905-5-2 5979 Riverside Chuckawalla Peak Colorado Desert, Chuckawalla Peak Comment
  UCR91061  Ephedra nevadensis Bern Schwenn 1994-2-20 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, Little San Bernardino Mtns. 'Hidden Gold' Canyon near the Hidden Gold Mine. Above the Park Service barrier at the bottom end of the curve, in S13. 854 Comment
  RSA234109  Ephedra viridis Robert F. Thorne, R. Carolin 1967-3-21 41639 Riverside Joshua Tree National Monument: Cottonwood Springs 915 Comment
  RSA787332  Epilobium adenocaulon var. parishii Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49556 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  POM20023  Epilobium angustifolium subsp. circumvagum Mary F. Spencer 1923-7-10 2204 Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  RSA559605  Epilobium canum subsp. latifolium Louis C. Wheeler 1933-12-1 2291 Riverside Mouth of Tauquitz Canyon, San Jacinto Mountains. 152 Comment
  UCR115947  Epilobium ciliatum Mitch Provance 1998-6-11 670 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  POM10085  Epilobium ciliatum subsp. ciliatum Charlotte M. Wilder 1906-10-8 885 Riverside Fairmont Park. Comment
  RSA162775  Epilobium ciliatum subsp. ciliatum J. D. Olmsted 1959-7-1 712 Riverside Wellman s Cienega along San Jacinto Pk. trail from Fern Valley NE of Idyllwild. Comment
  SEINET251885 Image available Eragrostis barrelieri Unknown 1996-3-17 17978 Riverside Coachella Valley: Palm Springs, shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 189 Comment
  UCR113928  Eragrostis cilianensis Mitch Provance 2000-6-24 2050 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR2379  Eragrostis mexicana subsp. mexicana F. M. Reed 1927-11-20 5680 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 290 Comment
  RSA0108941  Eremalche exilis Duncan S. Bell, Amanda Bell 2012-1-28 3069 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  POM261347  Eremalche rotundifolia P. A. Munz 1940-3-23 15668 Riverside South base of Pinto Mountains, road Dale to Cottonwood Springs. 610 Comment
  RSA432695  Eremalche rotundifolia Anstruther Davidson 1903-5-3 900 Riverside Thermal. Comment
  CAS-BOT-BC168359  Eremogone ferrisiae Reid Moran 1968-8-3 15366 Riverside North slope 1 mile west of summit, Santa Rosa Mtn. 2150 Comment
  CDA37645  Eremothera boothii subsp. desertorum M. S. Wasbauer 1960-3-26 Riverside Shaver s Summit. 0 Comment
  JEPS69011  Eriastrum densifolium Carl V. Meyer 1928-8-1 622 Riverside Saunder's Meadow San Jacinto Mts. Comment
  RSA0060485  Eriastrum densifolium subsp. austromontanum J. M. Andre 2012-6-15 30534 Riverside Along Hwy 243, 10.7 mi. south of Interstate 10 (Banning); SB Natl. Forest. 1499 Comment
  UC1787317  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-16 138 Riverside San Jacinto Mountains: Hwy 371, 4.5 km south of Hwy 74, south side of road, in sandy bottom of Hamilton Wash 1267 Comment
  UCR131534  Eriastrum diffusum Jennie Phui 1998-5-30 023 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, mouth of Lion Canyon, 0.5-2 miles up Lion Canyon road north of I-10 Fwy 549 Comment
  UCR20440  Eriastrum eremicum Carl Epling, H. Lewis 1941-5-2 s.n. Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mountains Comment
  CAS-BOT-BC187938  Eriastrum harwoodii Carl B. Wolf 1932-4-29 3119 Riverside Eastern Colorado Desert, 3 miles S of Rice on Blythe Road 213 Comment
  UCR188669  Eriastrum sapphirinum Amanda Lovelady, Tina Hofmann 2007-5-20 34 Riverside Peninsular Range; Santa Ana (Elsinore) Mtns., c. 4 miles SW of city of Lake Elsinore, Cleveland National Forest, Morgan Trailhead at Main Divide Truck Trail, and surrounding area, between heads of Morrell and Decker Canyons 854 Comment
  CLARK-A1528-704  Eriastrum sapphirinum subsp. dasyanthum C. M. Flanagan 1973-5-31 OO 617 Riverside Morongo Indian Reservation 975 Comment
  RSA0121557  Eriastrum sapphirinum subsp. dasyanthum Percy C. Everett, E. K. Balls, L. W. Lenz 1952-7-1 17283 Riverside 6.7 miles W along Highway 74 from junction with road from Idyllwild. 915 Comment
  RSA0121591  Eriastrum sapphirinum subsp. dasyanthum R. L. Pendleton 1905-9-28 269 Riverside Railroad embankment, Salt Lake Bridge, Riverside. 152 Comment
  RSA0122950  Eriastrum sapphirinum subsp. dasyanthum C. W. Tilforth 1969-7-24 213 Riverside About 5 mi. south of Hemet, east of County Highway R-3. Comment
  HSC85299  Eriastrum sapphirinum subsp. sapphirinum Steve Boyd 1986-5-7 1844 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck trail, S of I-15 Comment
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Dec 6 2013
  UCR216423  Ericameria linearifolia Michael L. O'Leary 2008-4-16 01 Riverside Little San Bernardino Mtns., Eureka Peak, Joshua Tree National Park, almost on the San Bernardino Co. line 1671 Comment
  RSA783438  Ericameria nauseosa J. D. Olmsted 1959-9-23 1018 Riverside 4 miles S of Hemet Lake on Hwy. 74, San Jacinto Mts. 1387 Comment
  RSA675712  Ericameria palmeri var. pachylepis Scott D. White 2000-10-20 8137 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  UCR120207  Ericameria palmeri var. pachylepis Mitch Provance 1998-3-5 192 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  UCR250910  Ericameria palmeri var. pachylepis A. C. Sanders 2014-4-18 41027 Riverside Peninsular Range, Temescal Canyon, hills along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, c. 100 m south of I-15 401 Comment
  UCR49992  Ericameria palmeri var. pachylepis S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  CAS-BOT-BC299535  Ericameria paniculata J. C. Roos 1965-11-6 s.n. Riverside Whitewater 304 Comment
  UCR140875  Ericameria parishii Chris E. True, Laurel Salzman 2004-8-20 s.n. Riverside San Jacinto Mtns., c. 1 km south of Twin Pines Ranch on USFS Rd 3S08, between Azalea and Twin Pines Creeks 1157 Comment
  UCR99878  Ericameria parishii var. parishii Scott D. White 1996-12-26 4645 Riverside San Jacinto Mtns, Bautista Canyon: along Bautista Canyon Rd, c. 2 or 3 air mi. NW of junction with Tripp Flats Rd. 1037 Comment
  CAS-BOT-BC293185  Ericameria pinifolia H. M. Hall 1927-10-23 12300 Riverside Between Temecula and Pala (San Diego Co.) Comment
  RSA0125104  Ericameria pinifolia Duncan S. Bell 2016-10-27 10213 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  UCSB9492  Erigeron canadensis Philbrick, Ralph 1954-10-24 Riverside 4 miles south of Chico Institute 213 Comment
  POM48956  Erigeron foliosus P. A. Munz, I. M. Johnston 1924-7-26 8719 Riverside Pine Flats Camp, San Jacinto Mtns. 1677 Comment
  RSA673472  Erigeron foliosus Scott D. White, Tasha La Doux 2000-4-20 7715 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  SD185133  Erigeron foliosus T. B. Salvato, John F. Green 2004-5-27 634 Riverside Head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  RSA651278  Erigeron foliosus var. foliosus C. J. Humphrey 1936-6-7 422 Riverside [Unspecified] Comment
  POM305416  Eriodictyon crassifolium Henry J. Ramsey, Henry J. Ramsey 1938-5-4 637 Riverside Elsinore Comment
  RSA455017  Eriodictyon crassifolium Elbert Benjamine 1929-5-18 233 Riverside Mt. San Jacinto. Comment
  UCSB11620  Eriodictyon crassifolium Wisehart, Karen 1962-5-5 Riverside Along road to Idyllwild, 2.2 miles south of Banning train station 792 Comment
  UC24068  Eriodictyon crassifolium var. crassifolium H. M. Hall 1899-5-20 1107 Riverside Valle Vista San Jacinto Mountains, Valle Vista (in sand washes) Comment
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Mar 27 2011
  UCR251891  Eriodictyon crassifolium var. crassifolium M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  SD80106  Eriodictyon crassifolium var. nigrescens Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-24 397 Riverside Water service road above crossing of Deep Canyon, north slope Santa Rosa Mountains. 1317 Comment
  JEPS64  Eriodictyon trichocalyx M. Clary 1934-5-13 Riverside Santa Rosa Mountains 1524 Comment
  CLARK-A1528-5715  Eriogonum apiculatum John C. Roos 1947-9-6 3743 Riverside San Jacinto Mountains Comment
  UCR20541  Eriogonum davidsonii W. W. Mayhew 1977-7-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  CAS-BOT-BC256128  Eriogonum deflexum var. deflexum Aven Nelson; Ruth Nelson 1939-3-29 3325 Riverside Hidden Springs Canyon, not far from Mecca Comment
  SD186293  Eriogonum elongatum var. elongatum T. B. Salvato, Melissa Clemons 2005-6-2 1335 Riverside Temescal Valley, Gavilan Hills, ca 0.5 mi SE of Steele Peak, 4 mi SW of Perris, and 6 mi NNE of Lake Elsinore, NW of Hwy 74 573 Comment
  SEINET7907887  Eriogonum fasciculatum D. A. Johnson 2005-1 Riverside 1 mi e of ca 74 on River Rd between Perris & Lake Elsinore 488 Comment
  UCR176888  Eriogonum fasciculatum subsp. foliolosum Tracy Tennant 1998-7-1 s.n. Riverside San Jacinto Valley, SE of Winchester, 'North Hills', at south end of California Ave. 457 Comment
  UC849407  Eriogonum fasciculatum var. flavoviride C. L. Hitchcock 1940-4-1 5903 Riverside 1 mi below Cottonwood Spring; Joshua Tree National Monument Comment
  LA206857  Eriogonum fasciculatum var. foliolosum A. M. Johnson; 1932-4-23 4027 Riverside San Jacinto Mountains, along road Comment
  POM13746  Eriogonum fasciculatum var. foliolosum E. C. Jaeger 1921-7-15 1193 Riverside Soboba Hot Springs Comment
  CAS-BOT-BC250141  Eriogonum fasciculatum var. polifolium Carl B. Wolf 1932-5-24 3644 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1/2 mi. below fish hatchery 548 Comment
  LA206831  Eriogonum fasciculatum var. polifolium Flora Murray Scott; 1928-4-1 sn Riverside Whitewater Comment
  SD93053  Eriogonum fasciculatum var. polifolium W. Bertsch 1954-5-1 530 Riverside Road from Banning to Idlewild 914 Comment
  CAS-BOT-BC253483  Eriogonum gracile H. S. Gentry 1954-7-26 14256 Riverside Dripping Spring along Route 79 Comment
  SBBG62102  Eriogonum gracile P. A. Munz, I. M. Johnston 1928-9-12 11255 Riverside Temescal Cyn Comment
  UCR278854  Eriogonum gracile var. gracile Mitch Provance 2012-7-14 712- 23 Riverside San Gorgonio Pass, Banning, remnant of Montgomery Creek, N side of Westward Ave, between Lovell St. and April Ln. 716 Comment
  CAS-BOT-BC257584  Eriogonum inflatum W. R. Dudley 1903-12-28 s.n. Riverside Near Palm Springs Station Comment
  JOTR32416  Eriogonum nidularium Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 7 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  UCR281911  Eriogonum nidularium A. C. Sanders, Jim Malusa 2017-9-19 43343 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, canyon 3.35 km SW (214 deg. ) of Tabaseca Tank 693 Comment
  JOTR33716  Eriogonum plumatella La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1003 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains in Cottonwood Canyon; large active wash in rocky canyon along roadside east of Rte. 11 839 Comment
  CLARK-A1045-122  Eriogonum pusillum George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  JOTR36475  Eriogonum pusillum La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3409 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  UCSB18199  Eriogonum pusillum Smalley, G. 1964-5-10 Riverside State Highway 74; 10.2 miles SW of Palm Desert 883 Comment
  UC1329840  Eriogonum saxatile James E. Cole 1941-6-9 860 Riverside s summit of Stubby Spring Pass; Joshua Tree National Monument 1432 Comment
  UC6442  Eriogonum saxatile H. M. Hall 1901-7-1 2324 Riverside near Tauquitz; San Jacinto Mountains 2590 Comment
  JEPS22516  Eriogonum thomasii Rimo Bacigalupi with Paul Hutchison 1958-2-19 6194 -A Riverside 9.4 mi n Blythe (wash at western base of the Big Maria Mts.); Big Maria Mts. 167 Comment
  JOTR33971  Eriogonum thomasii La Doux, Tasha, M. Harding 2010-4-7 2859 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  POM230614  Eriogonum thomasii I. W. Clokey 1933-4-17 s.n. Riverside Cottonwood Springs. Comment
  RSA510049  Eriogonum thomasii B. Pitzer 1988-3-10 657 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  SJSU8835  Eriogonum thomasii T. N. Seeno 1963-4-12 280 Riverside Coachella Valley c. 10 mi N of Palm Springs 426 Comment
  UCR245231  Eriogonum thomasii Jim Andre 2012-3-19 21320 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  UCR40591  Eriogonum thomasii George K. Helmkamp 1983-4-5 483- 34 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UCR72234  Eriogonum thomasii Theo Glenn 1991-5-24 91- 131 Riverside Sonoran (Colorado) Desert, Palen Mtns, NE of Desert Center 399 Comment
  CAS-BOT-BC263535  Eriogonum thomasii Catherine A. Toschi 1963-4-10 63 :115 Riverside Boyd Desert Research Center 5 miles south of Palm Desert 304 Comment
  RSA0119600  Eriogonum thomasii Lyman Benson, Robert Benson 1952-4-8 14855 Riverside 2 miles west of Shaver Summit east of Indio, U.S. 66. Drainage area: Colorado desert. 610 Comment
  CAS-BOT-BC262873  Eriogonum thurberi S. B. Parish 1896-4-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  UCR211720  Eriogonum thurberi Fred M. Roberts, D. E. Bramlet 2005-6-6 6247 Riverside Perris Basin, San Jacinto Valley, San Jacinto River Wash, just west of SR 79 overpass, 1.4 km west-southwest of Gilman Hot Springs 442 Comment
  CAS-BOT-BC263583  Eriogonum trichopes L. A. Greata No date on label. 400 Riverside Coachella, Colorado Desert Comment
  JOTR33876  Eriogonum trichopes La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3047 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps interspersed w/ basalt outcrops 349 Comment
  RSA420610  Eriogonum wrightii var. membranaceum Julian P. Donahue 1984-10-6 90405 Riverside Pinyon Crest, Pinyon Flat, between San Jacinto and Santa Rosa Mts. 1250 Comment
  UCR13758  Eriogonum wrightii var. membranaceum N. R. Zabriskie, W. W. Zabriskie 1972-9-7 534 Riverside Peninsular Range; San Jacinto Mtns., Strawberry firebreak, south of S end of Marion Ridge Road, Pine Cove, W drainage Mtns 1921 Comment
  SBBG28182  Eriogonum wrightii var. nodosum M. F. Gilman 1932-11-30 11 Riverside Whitewater Pt Comment
  POM230187  Eriophyllum confertiflorum I. W. Clokey 1935-4-18 6949 Riverside Gavilan Peak 600 Comment
  JOTR34132  Eriophyllum confertiflorum var. confertiflorum Andre, Jim, T. La Doux, R. B. Kelley 2011-5-4 21097 Riverside Joshua Tree National Park. Long Canyon, upper watershed on east ridge, 1.1 miles south of radio tower, approx. 6 mi. south of town center of Yucca Valley 1206 Comment
  UC1719442  Eriophyllum confertiflorum var. confertiflorum D. Atwood 1993-3-26 17661 Riverside Santa Ana Mountains; 1.5 mi S of Lake Elsinore, along Hwy 74 670 Comment
  UCR41313  Eriophyllum confertiflorum var. confertiflorum N. M. Fellows, A. C. Sanders 1985-5-7 173 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
  SJSU5248  Eriophyllum lanosum R. C. McGehee 1970-4-16 208 Riverside between Wileys Well & Nyland Comment
  SD134533  Eriophyllum multicaule Craig Reiser 1991-3-26 Riverside Harford Springs Park, Gavilan Plateau Comment
  HSC5630  Eriophyllum wallacei C. L. Hitchcock, C. V. Muhlick 1964-3-22 23263 Riverside Pinto Basin; Joshua Tree National Monument Comment
  JOTR34404  Eriophyllum wallacei Andre, Jim 2012-4-16 20940 Riverside Joshua Tree National Park. Along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mountains, 6.7 mi. south of National Park Loop Rd. 989 Comment
  SD37567  Eriophyllum wallacei Edith A. Purer 1935-4-21 6452 Riverside East slope of San Jacinto Mountain. Comment
  RSA801742  Erodium D. M. McF 1952-9-9 s.n. Riverside Red Mtn. Southeast Hemet. Comment
  RSA779809  Erodium texanum Duncan S. Bell 2009-3-9 108 Riverside Arica Mountains: southeast section of the mountain range approximately 1.2 air miles from Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 307 Comment
  UCD84930  Erodium texanum Chuck Hughes 2010-3-22 202 Riverside Near edge of Rice-Midland Road. 269 Comment
  CAS-BOT-BC54339  Erysimum capitatum Roxana S. Ferris; Ruth P. Rossbach 1938-5-20 9659 Riverside 6 miles form Pinon Flat Public Camp on road to Hemet on State Highway #74. Comment
  RSA0020088  Erythranthe floribunda Scott D. White 1999-6-6 7441 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  RSA0019316  Erythranthe guttata Carl B. Wolf 1932-5-25 3673 Riverside 1 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains. 396 Comment
  JOTR32855  Eschscholzia La Doux, Tasha 2008-1-14 2938 Riverside Joshua Tree National Park. East Cottonwood Mountains, Cottonwood Canyon; sandy wash in side canyon, west of Rte.11, near old road to Coyote Mine 274 Comment
  RSA0022956  Eschscholzia androuxii Ora M. Clark 1929-3-16 1721 Riverside NW Whitewater Comment
  CAS-BOT-BC154055  Eschscholzia californica Jun Hu 2000-5-11 22 Riverside San Jacinto Valley: SE of city of Winchester, Hills N of Diamond Valley 488 Comment
  UC56235  Eschscholzia californica H. M. Hall Apr. 1903 3826 Riverside Vicinity of Riverside 365 Comment
  UCR182313  Eschscholzia californica Mitch Provance 2003-4-5 6617 Riverside San Bernardino Valley, Glen Avon (near border with Fontana) along the NW base of the Jurupa Mountains, south of Philadelphia St. and just east of Country Village Rd 253 Comment
  CAS-BOT-BC83132  Eschscholzia minutiflora Cecil Hart 1926-2-1 s.n. Riverside Palm Springs. Comment
  RSA0022948  Eschscholzia minutiflora Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4770 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
  RSA795736  Eschscholzia minutiflora Jim Andre 2012-3-18 21287 Riverside Palen Valley; along Rice Road (Highway 177) east of Coxcomb Mountains, 9.6 miles south of Highway 62. 208 Comment
  UCD94251  Eschscholzia minutiflora Shannon M. Still; Steven M. Still 2008-4-7 387 Riverside California. Riverside County: Joshua Tree National Park. 940 Comment
  SD49372  Eschscholzia papastillii Thomas W. Whitaker 1958-4-30 Riverside Box Canon, midway between Mecca and Shaver Well Comment
  HSC49384  Eschscholzia parishii D. L. Goforth 1979-4-11 107 Riverside 1 km N of junction of Hwy. 10 and S entrance road to Joshua Tree National Monument 518 Comment
  NY43342  Eschscholzia parishii C. R. Annable 1995-3-12 2270 Riverside Box Canyon Wash, Hwy 195 Comment
  RSA799408  Eschscholzia parishii Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 738 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road. 305 Comment
  SEINET3094860 Image available Eschscholzia parishii Norman C. Cooper 1949-4-8 3291 Riverside Indio, Shaver's Summit east of Indio 610 Comment
  UCR101588  Eschscholzia parishii Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR104810  Eschscholzia parishii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2735 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 10.6 miles SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  RSA709918  Escobaria vivipara var. alversonii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4613 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UC1713777  Escobaria vivipara var. alversonii P. A. Munz and D. Keck 1922-4-10 5014 Riverside Chuckawalla Mts. Colo. Desert 518 Comment
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Oct 3 2011
  OBI53710  Eucalyptus globulus A. C. Sanders 1985-12-28 5966 Riverside Between Mira Loma and Pedley, one of a line of Eucalyptus trees planted as a windbreak along Wineville Rd ca 1/4 mi N of Limonite Ave Comment
  RSA556515  Eucrypta chrysanthemifolia Julie Greene 1993-4-10 1137 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. 476 Comment
  UCD119350  Eucrypta chrysanthemifolia B. Pitzer 1997-4-20 3193 Riverside Lakeview Mtns: Intersection of Dutton St. with Voltaire Vista Road. 610 Comment
  SDSU13329  Eucrypta chrysanthemifolia var. chrysanthemifolia Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 24 Riverside Along a poorly defined trail east of the north research station. At the Santa Margarita Ecological Research Station (SDSU). 322 Comment
  UC449852  Eucrypta chrysanthemifolia var. chrysanthemifolia Fred M. Reed 1908-2-2 2017 Riverside Sycamore Canyon Box Springs Hills, Riverside (Box Springs Hills, Riverside and vicinity) Comment
  UCR41849  Eucrypta micrantha A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6111 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  SEINET6089988  Eulobus californicus Unknown 1944-5-6 1210 Riverside Whitewater Canyon. Comment
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Feb 27 2016
  CAS-BOT-BC202783  Euonymus occidentalis var. parishii E. K. Balls; C. H. Dodson 1955-9-20 21442 Riverside Just below Dark Canyon Camp Ground, San Jacinto Mts. 1615 Comment
  RSA651894  Euphorbia Marion P. Harthill 1971-3-19 8 Riverside Palm Desert. Comment
  RSA690988  Euphorbia eriantha Scott D. White, Michael Honer 2003-5-15 9315 Riverside Bajada below Little Maria/ Big Maria Mtns. near Inca RR siding, ca. 15 air miles NW of Blythe. 61 Comment
  UCR111584  Euphorbia maculata Mitch Provance 1999-1-23 1742 Riverside Jurupa Mountains, Along roadside at corner of Crestmore Rd. and Rubidoux Blvd. 262 Comment
  POM12970  Euphorbia palmeri P. A. Munz, I. M. Johnston 1922-5-21 5517 Riverside Hemet Valley. 2 miles below Kenworthy, San Jacinto Mts 1402 Comment
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Aug 4 2008
  UC455399  Euphorbia palmeri I. J. Condit 1910-6-23 Riverside San Jacinto Mt. 2743 Comment
  UCR114343  Euphorbia peplus Mitch Provance 2000-1-8 1801 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411. 305 Comment
  RSA0047265  Euphorbia polycarpa J. Mark Porter, Lauren E. Machen 1997-2-15 11426 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  UCD142735  Euphorbia polycarpa A. C. Sanders 1994-1-30 14224 Riverside Box Springs Mountains, E-facing open slope at the head of Big Springs Canyon. SE of peak 2602. 762 Comment
  UCR132748  Euphorbia polycarpa Scott D. White 1993-2-5 1049 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
  UCR21986  Euphorbia polycarpa Steve Boyd 1980-7-20 339 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR33591  Euphorbia polycarpa var. polycarpa Sears 1977-10-15 S- 613 Riverside Sonoran (Colorado) Desert, Midland [SE of], foothills of the Big Maria Mountains 244 Comment
  OBI39243  Euphorbia prostrata A. C. Sanders 1982-6-12 2714 Riverside Riverside, a weed in a garden at 422 Campus View Dr Comment
  SD109085  Euphorbia setiloba Grady L. Webster, R. Hildreth 1966-12-10 7467 Riverside Wash in Box Canyon, ca. 9-10 miles northeast of Mecca on California 195. 239 Comment
  SEINET5789101 Image available Euphorbia setiloba L. S. Rose 1946-12-23 46302 Riverside Cathedral Canyon Wash, Riverside County, CA Comment
  UCR130094  Eustoma exaltatum G. R. Ballmer 2003-11-22 s.n. Riverside Colorado River Valley, Northern Paloverde Valley, east of Hwy 95, c. 5 miles NE of Blythe, east end of 2nd Ave. 87 Comment
  CAS-BOT-BC171042  Fagonia laevis Roxana S. Ferris 1939-3-29 9708 Riverside Between Hayfields Reservoir and Desert Center, Indio-Blythe Highway Comment
  HSC101529  Fagonia laevis J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-18 12774 Riverside 457 Comment
  IRVC28829  Fagonia laevis Mark A. Elvin 2005-4-26 4230 Riverside Coachella Valley/Indio Hills; N of I-10. Northern Sonoran Desert 198 Comment
  POM9059  Fagonia laevis Philip A. Munz, R. D. Harwood 1920-4-3 3578 Riverside 30 miles west of Blythe. 366 Comment
  UCR201510  Festuca arundinacea Scott D. White, Justin M. Wood 2008-6-17 12151 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  UCR165414  Festuca microstachys A. C. Sanders 2005-4-21 29562 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR92220  Festuca microstachys D. L. Banks, Steve Boyd 1995-5-9 0394 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  SBBG118577  Festuca octoflora var. octoflora L. Gross, V. Soza 2003-5-8 827 Riverside N end of Rouse Ridge; S of the San Jacinto River, N of Rouse Hill Rd; T5S R2E S19, Center 777 Comment
  CLARK-A1528-217  Filago californica Oscar F. Clarke 1952-4-17 Riverside Riverside 396 Comment
  UCR20728  Filago californica A. C. Sanders, Steve Boyd 1980-5-2 1405 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  CDA5871  Flaveria trinervia M. Tavianini 1977-10-23 Riverside On McKinley Street about 1 mile north of the 91 Freeway, La Sierra area. 0 Comment
  RSA502199  Forestiera pubescens Steve Boyd, Tim Ross, L. Arnseth 1989-6-11 3706 b Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
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Oct 23 2017
  HSC8339  Fouquieria splendens J. J. Wagoner 1965-4-13 32 Riverside E slope of San Jacinto along Palms to Pines Hwy., 7 mi. W of Palm Desert 213 Comment
  SEINET4108735  Fouquieria splendens J. Redfern 2004-1 JT 5 Riverside Collected along Pinto Basin road north of Cottonwood Visitor Center in Joshua Tree National Park. 759 Comment
  RSA623950  Fouquieria splendens subsp. splendens Dylan Schwilk 1994-3-26 9 Riverside Highway 74 (lower Deep Canyon) S-facing desert slope just above alluvial fan spreading into Coachella Valley 600 Comment
  RSA0018945  Fragaria vesca Louis C. Wheeler 1931-10-4 209 Riverside San Jacinto Mountains. Strawberry Valley. 1585 Comment
  RSA762733  Frangula californica subsp. californica Patrick Garrett, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 87 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  POM50537  Frankenia grandifolia var. campestris S. B. Parish 1897-5-31 4396 Riverside Elsinore Lake Comment
  SEINET2030087 Image available Franseria dumosa Ira L. Wiggins 1941-3-14 9575 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar Comment
  CAS-BOT-BC211022  Fraxinus velutina Carl B. Wolf 1940-10-30 9758 Riverside San Jacinto Mts. Penrod Canyon S.E. of Kenworthy Guard Station 1524 Comment
  UC22603  Fraxinus velutina Mrs. Flora C. R. Price 1901-8-1 Riverside sw base San Jacinto Mt. 670 Comment
  UCR79356  Fritillaria biflora Steve Boyd, T. S. Ross 1992-3-31 6769 Riverside Santa Ana Mtns, Elsinore Peak 1024 Comment
  RSA696503  Funastrum hirtellum J. R. Bruff 1927-11-26 23 Riverside 10 miles south of 29 Palms Comment
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Nov 19 2011
  SBBG45700  Funastrum hirtellum Leota Davidson 1965-5-13 187 Riverside Joshua Tree Nat Monument Comment
  UCR232395  Funastrum utahense Dave Silverman 2010-3-30 7881 Riverside Sonoran (Colorado) Desert, southern McCoy Mtns, east bajada flank, 800 m west of Black Creek Rd, 4.5 km north of I-10, and 8 km east of McCoy Peak 155 Comment
  UCR232034  Galium angustifolium John F. Green 2008-4-15 0408- 20 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  POM229038  Galium angustifolium subsp. angustifolium Philip A. Munz 1937-5-30 15127 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  CAS-BOT-BC223051  Galium angustifolium subsp. gracillimum Peter H. Raven; David Verity 1960-6-5 15496 Riverside Salton View, Joshua Tree National Monument Comment
  JOTR35476  Galium angustifolium subsp. gracillimum Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-26 79 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats 1389 Comment
  UCR41306  Galium angustifolium subsp. gracillimum N. M. Fellows, A. C. Sanders 1985-4-9 160 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
  UCR24919  Galium aparine A. C. Sanders 1980-7-18 1657 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  JOTR34087  Galium munzii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2935 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; steep bouldery slopes between drainages Comment
  UCR138808  Galium porrigens var. porrigens D. L. Banks, J. Moreno 1997-2-5 1252 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  UCR109782  Gamochaeta pensylvanica R. D. Goeden, Don W. Ricker 1972-5-20 s.n. Riverside Riverside, UCR Campus, outside insectary building near Entomology 341 Comment
  RSA192002  Gamochaeta ustulata E. W. Lathrop 1966-4-13 6167 Riverside 3 miles NW of Murrieta Comment
  POM261676  Garrya flavescens var. pallida W. Pequegnat 1940-12-28 s.n. Riverside Santiago Pk., Santa Ana Mts. Comment
  SBBG89551  Gastridium phleoides J. Adams 1966-4-28 736 b Riverside Santa Rosa Plateau, dirt rd from Murrieta to De Luz 762 Comment
  RSA788879  Gayophytum diffusum subsp. parviflorum Gary D. Wallace 2003-7-8 4045 Riverside Hidden Lake. Comment
  UCR23532  Gayophytum diffusum subsp. parviflorum John C. Roos 1937-8-18 2529 Riverside San Jacinto Mtns, Round Valley 2744 Comment
  RSA586161  Gazania linearis D. L. Banks, Steve Boyd 1995-3-30 0126 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, on the Woodchuck Trail. 633 Comment
  CLARK-A1656-606  Geraea canescens Lois Ann Scott 1977-12-23 Riverside Thousand Palms Oasis 152 Comment
  RSA784749  Geraea canescens Duncan S. Bell 2012-2-12 3093 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UC68869  Geraea canescens H. M. Hall 1905-4-1 5866 Riverside Chuckawalla Bench Colorado Desert, Chuckawalla Bench Comment
  UCR166007  Geraea canescens Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  RSA678936  Geranium carolinianum Scott D. White, Michael Honer 2003-6-3 9479 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  JEPS69449  Gilia angelensis Dr. L. M. Newlon 1922-4-3 433 f Riverside Andreas Canyon San Jacinto Mts., Andreas Canyon Comment
  SBBG101794  Gilia angelensis S. Boyd with T. Ross, M. Hammitt 1991-5-2 6031 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  UCR183340  Gilia angelensis Mitch Provance 2005-5-27 4602 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  UCR97577  Gilia angelensis Scott D. White 1997-2-28 4723 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  CAS-BOT-BC257174  Gilia diegensis Duncan S. Bell; Valentin Arvizu 2010-5-10 988 Riverside Peninsular Ranges; San Jacinto Mountains region: San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04 1349 Comment
  POM13097  Gilia diegensis P. A. Munz, I. M. Johnston 1922-5-20 5484 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  JOTR01155  Gilia latiflora subsp. davyi Cole, James E. 1941-4-15 597 Riverside Joshua Tree National Park. ONE MILE ABOVE PINON WELL 1493 Comment
  RSA350823  Gilia lineata Anstruther Davidson 1923-04 3570 Riverside Idyllwild. Comment
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Oct 22 2011
  UCR35051  Gilia ochroleuca subsp. exilis L. B. Ziegler 1967-6-19 168 Riverside San Jacinto Mtns., Bautista Creek Canyon 762 Comment
  RSA0017085  Gilia ochroleuca subsp. exilis Marcus E. Jones 1889-4-20 10311 Riverside San Jacinto. Comment
  RSA776340  Gilia scopulorum Duncan S. Bell 2010-3-20 640 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 215 Comment
  RSA469734  Gilia stellata M. B. Dunkle 1937-3-25 4955 Riverside Dry Morongo. Comment
  RSA775101  Gilia stellata Duncan S. Bell, Michael Hee 2011-3-18 2052 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  RSA778252  Gilia stellata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 919 A Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  UC908859  Gilia stellata Herbert L. Mason 1928-3-11 4249 Riverside along road between Indio and Palm Springs (Colorado Desert); , btw Indio and Palm Springs Comment
  UCR279558  Gilia stellata A. C. Sanders, Jim Malusa 2017-3-29 43181 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  UCR158285  Githopsis diffusa A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30111 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
  UCR68871  Githopsis diffusa subsp. robusta Steve Boyd, T. S. Ross 1990-5-11 4686 B Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  SD186045  Glinus lotoides A. C. Sanders, Kerry Knudsen and T. B. Salvato 2004-5-18 27909 Riverside Southeast of old clay mining area. 448 Comment
  RSA725967  Glyceria declinata T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 905 Riverside San Bernardino Mtns.: Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07. 1220 Comment
  SEINET1869749 Image available Glyceria declinata A. C. Sanders, S. Hawkins 1996-1 18088 Riverside San Bernardino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats. 1097 Comment
  UCR174332  Gnaphalium californicum Jennifer H. Jones 2006-5-16 301 Riverside Peninsular Ranges, Box Springs Mtns. E end of Big Springs Road, N side 372 Comment
  UCR166169  Gnaphalium canescens 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
  UCR133947  Gnaphalium canescens subsp. microcephalum John F. Green 2003-8-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, south side of Wendy Lane off Calle De Suenos, south of Avenida La Cresta and Avenida Castilla 701 Comment
  UCR143651  Gnaphalium leucocephalum Arlee Montalvo 2004-10-19 s.n. Riverside Peninsular Range, Temescal Canyon, near Glen Ivy Hot Springs, El Hermano Rd. at Temescal Wash, NE of I-15 and Temescal Canyon Rd. 305 Comment
  POM157887  Gnaphalium palustre P. A. Munz 1927-5-20 10799 Riverside Murrieta Hot Springs. Comment
  POM48137  Guillenia lasiophylla E. Schlinger 1920-05 s.n. Riverside Canyon Coachella, Colorado Desert Comment
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Nov 19 2011
  UCR241003  Gutierrezia californica Tracy Tennant 1998-11-24 157 Riverside San Jacinto Valley, western edge of Hemet, near intersection of Stetson Ave. and California Ave. 473 Comment
  UCR4210  Gutierrezia californica K. S. Gill 1965-3-14 s.n. Riverside hillside towards Agricultural Extension Buildings on UC Riverside campus. 244 Comment
  RSA544383  Gutierrezia sarothrae Steve Boyd, Tim Ross 1991-6-14 6398 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  HSC85434  Harpagonella palmeri Steve Boyd 1986-4-2 1589 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA0066620  Harpagonella palmeri A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32568 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
  UCR102871  Harpagonella palmeri A. C. Sanders 1997-3-26 20116 Riverside Lake Skinner area, NW foot of the Tucalota Hills, 0.2 mi. east of main Skinner entrance road on a dirt service road 473 Comment
  UCR90760  Harpagonella palmeri D. E. Bramlet 1995-4-25 2394 Riverside Shipley Reserve/SE corner of Lake Skinner Co. Park, within and beside the Equestrian Trail, south of the Tucalota Hills and approximately 702 m SE of the park entrance road and 610 m north of East Benton Road, just SW of knoll 1800 ft 524 Comment
  SBBG94677  Hazardia squarrosa S. D. White 1990-9-25 Riverside Santa Rosa Plateau, ca. 5 air mi SW of Temecula, on Via Yerba Rd, E of Vaquero Rd 396 Comment
  RSA587428  Helianthemum scoparium var. aldersonii D. L. Banks, S. D. Boyd 1995-6-2 572 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary,, in the clay grasslands in section 32, W of the Dripping Springs Alcove Area. 890 Comment
  RSA188416  Helianthus annuus subsp. lenticularis L. S. Rose 1966-12-11 66095 Riverside Palm Springs. 152 Comment
  CLARK-A1528-2189  Helianthus canus John C. Roos 1952-3-27 5423 Riverside Palm Springs 121 Comment
  UCD170502  Helianthus niveus D. O. Burge 2017-3-22 2236 Riverside Palm Springs International Airport, roadside on N Gene Autry Trail. 115 Comment
  CAS-BOT-BC305798  Helianthus petiolaris Katherine Esau 1935-6-15 s.n. Riverside Hemet Valley Comment
  UC666387  Heliotropium convolvulaceum var. californicum Annie M. Alexander and Louise Kellogg 1941-5-28 2259 Riverside 6 mi. e. Blythe; Colorado Desert 121 Comment
  RSA704847  Heliotropium curassavicum Anonymous 1947-4-5 s.n. Riverside Lake Elsinore. Comment
  UCR16861  Hemizonia fasciculata William E. Wayburn 1973-5-26 730526- 2 Riverside Santa Ana Mtns, Santa Rosa Plateau, 9 mi east of DeLuz on Murrieta Road [Walker Basin area] 396 Comment
  RSA216766  Hemizonia kelloggii Robert F. Hoover 1968-6-7 11155 Riverside Lower St Johns Canyon S of Hemet Comment
  RSA714435  Hemizonia kelloggii A. C. Sanders 2004-5-12 27888 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  UCR117087  Hemizonia kelloggii A. C. Sanders, T. B. Salvato 2001-5-16 24299 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR165187  Hemizonia mohavensis Margaret Bornyasz 2003-8-7 s.n. Riverside Peninsular Range; San Jacinto Mtns., 0.5 mi SE of Twin Pines Ranch, near unnamed tributary of Azalea Creek 1059 Comment
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Jan 5 2009
  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
  RSA737436  Hemizonia paniculata Justin M. Wood 2008-8-31 120 Riverside Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  UCR136162  Hemizonia paniculata A. C. Sanders 2004-6-20 28216 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  UCR219986  Hemizonia paniculata A. C. Sanders, D. L. Sanders 2010-11-28 38698 Riverside Peninsular Range; NW Gavilan Hills, Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave. 279 Comment
  UCR235056  Hemizonia paniculata A. C. Sanders, John F. Green 2012-5-27 40202 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, cleared area under powerlines east of I-15, N of McLaughlin Rd. and west of Trumble Rd. 436 Comment
  UCR266254  Hemizonia paniculata D. E. Bramlet 2006-7-26 4041 Riverside Perris-Aguanga Basin Region, Menifee Valley, Old Newport Road west of Briggs Rd. 439 Comment
  RSA335027  Hemizonia pungens subsp. laevis Steve Boyd 1985-8-7 1114 Riverside Murrieta area, Clinton Kieth Rd. just E of the Bear Creek development golfcourse Comment
  UCR110917  Hemizonia pungens subsp. laevis A. C. Sanders, K. C. Rose 1999-6-18 22816 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR80664  Hemizonia pungens subsp. laevis G. R. Ballmer 1992-6-23 92 10 Riverside San Timoteo Canyon, 3.2 mi SE of Redlands Blvd. Comment
  RSA550338  Hesperocallis undulata Walter Wisura, John Dolan, Michael Wall 1992-3-25 4650 Riverside Lowdesert: 2.7 miles S of prison on Wileys Well Road. Comment
  RSA741075  Heterocodon rariflorum Scott D. White, Justin M. Wood 2008-6-17 12154 Riverside San Jacinto Mountains: South of Hwy 79 near Keen Camp Summit. 1402 Comment
  SD232213  Heterocodon rariflorum Scott D. White, Justin M. Wood 2008-7-9 12429 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. 1426 Comment
  POM9845  Heterotheca horrida subsp. cinerascens E. C. Jaeger 1921-11-15 s.n. Riverside Morongo Pass Comment
  POM10026  Heterotheca sessiliflora subsp. echioides Anonymous 1904-9-23 s.n. Riverside Betw Temescal & Elsinore. Comment
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Jul 4 2010
  UC31137  Heterotheca sessiliflora subsp. echioides Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR92394  Heterotheca sessiliflora subsp. echioides F. M. Reed 1907-10-20 1978 Riverside South Coast; San Bernardino Valley, Sandy mesa in W Riverside, Crestmore townsite 275 Comment
  RSA0066125  Heuchera Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountains. 2590 Comment
  SBBG71436  Hibiscus denudatus M. N. Ackley 1928-4-3 709 Riverside Clarys Cyn, Coral Reef Ranch 152 Comment
  CAS-BOT-BC312332  Hieracium albiflorum Mary F. Spencer 1919-7-5 1343 Riverside San Jacinto Mts. 1645 Comment
  LA26683  Hilaria rigida William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  UCR241804  Hilaria rigida A. C. Sanders, Ann Howald 2013-2-28 40553 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 2.2 miles west of Hwy 78, 9.2 km SW (245 deg. ) of Ripley 96 Comment
  UCR75541  Hilaria rigida A. C. Sanders, Harry Spilman, and C. N. P. S. field trip 1993-4-24 13787 Riverside San Bernardino Mountains, SE end of San Bernardino Mountains, S end of Whitewater Bench, E side of the mouth of Whitewater Canyon. 450 Comment
  RSA0016768  Hippuris vulgaris Louis C. Wheeler 1961-6-24 7905 Riverside San Jacinto Mountains: Fulmor Lake.. . Comment
  CAS-BOT-BC207515  Hoffmannseggia glauca H. M. Hall 1905-4-20 5829 Riverside Colorado Desert, Coachella 20 Comment
  POM14017  Hoffmannseggia glauca P. A. Munz, D. D. Keck 1922-4-13 4927 Riverside Hayfields, Chuckwalla Valley 152 Comment
  CAS-BOT-BC206101  Hoffmannseggia microphylla John Thomas Howell 1928-3-25 3543 Riverside Rocky walls of Painted Canyon [Canon], Colorado Desert Comment
  CAS-BOT-BC207949  Hoffmannseggia microphylla Carl B. Wolf 1932-4-26 2978 Riverside COLORADO DESERT. 5 MI. E. OF MECCA, ON BLYTHE ROAD 30 Comment
  LA45811  Hoffmannseggia microphylla F. M. Scott; 1928-3-24 sn Riverside Painted Canyon, Colorado Desert Comment
  RSA663906  Hoffmannseggia microphylla C. R. Annable 1995-3-10 2260 Riverside 1.6km S of Lake Cahuilla County Park. Comment
  CAS-BOT-BC150021  Holodiscus discolor var. discolor E. W. Lathrop 1977-4-20 7609 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. Summit of Santiago Peak on the Riverside County slope side Comment
  CDA32401  Hordeum depressum A. C. Sanders, Carolyn Washburn 2001-5-1 24248 Riverside Perris-Aguanga Basin; San Jacinto River Valley, S side of intersection of Sanderson Ave. and Ramona Blvd., ca. 4 mi. NW of San Jacinto Comment
  CAS-BOT-BC273468  Hordeum intercedens D. Bramlet 1996-4-22 2459 Riverside San Jacinto Wildlife Area, Lovell Unit. The site is approximately 198m east of Davis Road and 183m north of the San Jacinto River. This locality was some 46m south of the existing access road 432 Comment
  RSA564766  Hordeum intercedens A. C. Sanders 1993-4-5 13697 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74)., (Near 33 deg 46'N, 117 deg 03'W) 460 Comment
  UCD169405  Hordeum intercedens A. C. Sanders; T. B. Salvato 2011-4-4 38974 Riverside Peninsular Range, Warm Springs Valley, 0.4 mi. WNW (276 deg. ) of intersection of Collier Ave. and Riverside Dr./Hwy 74, NE of Baker St. 387 Comment
  UCR92703  Hordeum intercedens A. C. Sanders, D. Malueg, K. D. Jones 1996-4-20 18057 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  UCR252610  Hordeum marinum T. B. Salvato, Matthew Malle 2013-4-2 7495 Riverside Perris-Aguanga Basin, Wildomar, c. 2 mi east of Lake Elsinore, west side of Mission Trail, north of Victorian Lane 387 Comment
  CAS-BOT-BC285112  Hordeum marinum subsp. gussoneanum Philip A. Munz 1941-5-18 16651 Riverside North end of Santa Rosa Ranch, Elsinore Mts. 914 Comment
  SEINET271520 Image available Hordeum marinum subsp. gussoneanum A. C. Sanders, K. D. Jones; D. Malueg 1996-4-20 18042 Riverside San Jacinto River between Nuevo and Lakeview from 11th to 13th Streets alkaline flats along the east side of the river 433 Comment
  LA207994  Horkelia clevelandii var. clevelandii Carl Epling; William Robison 1935-6-30 sn Riverside Mt. San Jacinto, between Pine Flat Camp and Fuller's Mill Comment
  CHSC1030  Horsfordia alata V. Holt 1935-4-16 Riverside West Colorado Desert near San Jacinto. Comment
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Mar 10 2016
  RSA0042109  Horsfordia newberryi Duncan S. Bell, Deidre Conocchioli 2014-3-11 6226 Riverside Santa Rosa Mountains; Devil's Canyon, northeast of Martinez Mountain. 207 Comment
  RSA0104075  Horsfordia newberryi Duncan S. Bell, Evan Meyer 2014-10-29 7674 Riverside Santa Rosa Mountains; around the mouth of Martinez Canyon, about 3.5 air miles southwest of Valerie. 169 Comment
  SD212603  Hosackia oblongifolia T. B. Salvato, John F. Green 2004-5-27 604 Riverside Head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  CAS-BOT-BC312585  Hulsea vestita subsp. callicarpha Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  LA203773  Hulsea vestita subsp. callicarpha Norman C. Cooper; 1944-7-16 1556 Riverside San Jacinto Mountains, above Pine Cove 2072 Comment
  LA203775  Hulsea vestita subsp. callicarpha John O'Leary; 1975-6-13 415 Riverside next to Hwy. in the San Jacinto Mts. (1 mi. S. of Lake Fulmor) 1554 Comment
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Jun 23 2013
  POM360726  Hulsea vestita subsp. callicarpha N. C. Cooper 1949-6-29 4310 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  RSA160499  Hulsea vestita subsp. callicarpha J. D. Olmsted 1959-7-2 735 Riverside On road between high Castle and turnoff to Humber Park (horse trail) 1 mile SW of Idyllwild, San Jacinto Mt range 1707 Comment
  POM126256  Hymenoclea salsola Thos Craig 1927-4-2 2 Riverside Canyon near Hidden Springs. Comment
  POM308643  Hymenoclea salsola Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3206 Riverside Near Indio. Comment
  RSA278971  Hymenoclea salsola B. A. Prigge 1978-3-23 2420 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA696760  Hymenoclea salsola J. R. Bruff 1927-3-13 2 -G Riverside Thousand Palms Comment
  UCR166854  Hymenoclea salsola Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  JEPS66802  Hypericum anagalloides I. W. Clokey and E. G. Anderson 1935-8-21 6833 Riverside N. Fork San Jacinto R. 1500 Comment
  RSA5236  Hypericum androsaemum C. B. Wolf 1932-8-5 3960 Riverside On trail from Tahquitz Valley to San Jacinto Peak; head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  SD137870  Hypochaeris glabra Darin L. Banks, Steve Boyd 1995-5-3 190 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of Dripping Springs Alcove area. 1640 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
  RSA0041942  Hyptis emoryi Duncan S. Bell, Loraine Washburn 2014-4-10 6594 Riverside Orocopia Mountains; northeastern section of range; approximately 4 air miles southeast of Hayfields Lake. 559 Comment
  RSA648296  Hyptis emoryi Mark Hotchkiss 1977-4-23 s.n. Riverside 7 mi. S.W. of Palm Desert. Pines to Palm Hwy. 457 Comment
  UCSB52979  Hyptis emoryi Pritchett, David; Fulton, M. 1986-3-9 Riverside Box Canyon Wash 6 miles east of Mecca on Hwy. 195 Comment
  RSA582046  Imperata brevifolia L. C. Wheeler 1933-12-2 2318 Riverside U.S. 99, 2 miles NW Whitewater Station 366 Comment
  UC186443  Ipomoea hederacea Gordon Surr 1915-12-5 10739 Riverside Arlington Comment
  UCD133421  Isocoma acradenia F. R. Lawson 1929-12-12 s.n. Riverside Mecca. Comment
  CAS-BOT-BC311609  Isocoma acradenia var. eremophila A. O. Merritt 1925-10-30 s.n. Riverside Palm Springs Comment
  CDA32703  Isocoma menziesii var. vernonioides Mike Lahti 2009-10-1 PDR# 1501831 Riverside Southwest of Perris, along the San Jacinto River banks. 0 Comment
  RSA444685  Isocoma menziesii var. vernonioides J. C. Roos 1965-9-21 s.n Riverside On the W side of March Air Force Base along 395 Hwy. Comment
  CAS-BOT-BC69943  Isoetes howellii Robert F. Thorne; Earl Lathrop 1969-5-12 37930 Riverside Santa Rosa Plateau: large vernal marsh on s. end of Mesa de Colorado, Rancho California. 624 Comment
  RSA199008  Isoetes howellii R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37420 Riverside Santa Rosa Plateau: near roadside, Rancho California. Santa Ana Mountains 610 Comment
  SD90574  Isoetes howellii Robert F. Thorne, Earl Lathrop 1969-5-12 37930 Riverside Santa Rosa Plateau, Rancho California, large vernal marsh on south end of Mesa de Colorado 625 Comment
  UC857721  Isomeris arborea I. W. Clokey and B. C. Templeton 1930-4-9 4703 Riverside Palm Springs Station; Colorado Desert 210 Comment
  CAS-BOT-BC383067  Juglans hindsii R. E. Riefner, Jr. 2007-6-16 07 -261 Riverside City of Hemet, S side of Florida Ave., ca. 0.1 mi E of Columbia St. 523 Comment
  CAS-BOT-BC110070  Juncus acutus W. R. Dudley 1903-12-29 612 Riverside Palm Gulch - Palm Springs. Comment
  RSA715452  Juncus balticus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32677 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., near stream crossing of dirt road. 549 Comment
  UCR232054  Juncus balticus John F. Green 2008-4-22 06- 05 Riverside Peninsular Range, hills south of Perris, powerline route just above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 442 Comment
  UCR41375  Juncus balticus N. M. Fellows 1985-1-5 57 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn., 1 mi west of Snow Creek Village 506 Comment
  RSA5234  Juncus macrandrus Carl B. Wolf 1932-8-5 3958 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2744 Comment
  UCR116006  Juncus mexicanus A. C. Sanders, D. Bramlet, E. J. Lawlor, C. L. Sanders 2000-1-16 23303 Riverside Shipley-Skinner Reserve, Tucalota Creek at horse trail crossing east of Lake Skinner 457 Comment
  RSA709184  Juncus rugulosus A. C. Sanders, Kelly Volansky 2005-8-31 31568 Riverside Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., ca 0.5 mi. N of Tenaja Rd. 671 Comment
  UCR193898  Juncus rugulosus A. C. Sanders, Mitch Provance 2008-7-11 35777 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  UCR177389  Juncus saximontanus A. C. Sanders, Scott D. White, C. L. Sanders 1994-10-9 15796 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  RSA0000300  Juncus tiehmii Barbara Ertter, Jeffrey L. Strachan 1979-6-26 2971 Riverside Large wash behind Kenworthy Ranger Station, near Route 74 in Hemet Valley, San Jacinto Mountains, San Bernardino National Forest. 762 Comment
  UCR22029  Juncus xiphioides Steve Boyd 1980-5-3 180 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR4088  Juncus xiphioides O. F. Clarke 1970-9-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River bottom just east of the old Salt Lake RR Bridge 216 Comment
  UCR89762  Juniperus californica Scott D. White 1993-5-27 1434 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  CAS-BOT-BC234604  Justicia californica Philip A. Munz 1940-3-24 15692 Riverside 3 miles south of Cottonwood Springs, Wagle [Eagle] Mts. 457 Comment
  UC1302250  Justicia californica Robert Rutherford 1964-4-12 33657 Riverside ca. 1 mi. w. of turnoff to Cottonwood Wells (along Hwy. 60-70) Comment
  UCR211495  Kallstroemia californica Tasha La Doux, Jim Andre 2008-9-13 261 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, Pinto Basin along paved hwy at Fried Liver Wash 549 Comment
  RSA0009770  Kallstroemia californica Marcus E. Jones 1929-9-16 s.n. Riverside East of Desert Center. Comment
  POM182204  Keckiella antirrhinoides Philip A. Munz 1932-4-24 12389 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  RSA180262  Keckiella antirrhinoides E. W. Lathrop 1965-5-18 5751 Riverside 8 miles W of Murrieta; hills around 300 ft high. 610 Comment
  RSA424814  Keckiella antirrhinoides E. Crow 1929-4-7 285 Riverside Southwest of Corona. Comment
  RSA543937  Keckiella antirrhinoides Steve D. Boyd 1991-5-10 6215 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  SDSU10659  Keckiella antirrhinoides Wende Rahlaender 1983-5-28 7 Riverside Santa Rosa Mtns, Big Horn Sheep Lookout: pn NW rom of Deep Canyon, about 15 miles along Hwy 74 from Palm desert; just SE of Sugarloaf Mtn., 5 miles NE of Santa Rosa Mtn. Comment
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Jul 14 2013
  RSA757800  Keckiella antirrhinoides subsp. antirrhinoides LeRoy Gross, Jackie McConnaughy, Andrew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4287 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
  SBBG54461  Keckiella antirrhinoides subsp. antirrhinoides L. R. Abrams 1941-4-12 13882 Riverside Palomar School, near Perris Comment
  LA209278  Keckiella antirrhinoides var. antirrhinoides L. Haines; L. Erickson 1937-4-9 sn Riverside Riverside-Hemet road near Winchester turnoff Comment
  JOTR30644  Keckiella antirrhinoides var. microphylla La Doux, Tasha, Erin Babich 2008-4-21 1805 Riverside Joshua Tree National Park. Stop 4-Little San Bernardino Mountains, Upper East Deception Canyon 1233 Comment
  SDSU14314  Keckiella cordifolia Joel Tracey 2002-4-20 6 Riverside Santa Margarita Ecological Reserve, Loop Trail 0.42 miles northeast of North Side Feild Station, 0.10 miles east-southeast of Tornado road, north side of trail. 341 Comment
  POM11200  Keckiella rothrockii subsp. jacintensis Philip A. Munz 1922-7-5 6008 Riverside Tahquitz Valley, San Jacinto Mountains 2256 Comment
  RSA498183  Keckiella rothrockii subsp. jacintensis Anstruther Davidson 1876-7-11 s.n. Riverside Mt. San Jacinto 2439 Comment
  RSA293259  Keckiella ternata subsp. ternata D. C. Michener 1980-5-29 3626 Riverside San Bernardino NF, Cave Springs. 950 Comment
  RSA0019429  Keckiella ternata subsp. ternata Philip A. Munz 1922-6-27 5852 Riverside Santa Rosa Mountains. 2012 Comment
  SD146087  Koeleria gerardi Mitch Provance 1998-3-20 174 B Riverside Jurupa Mtns., pass west of Rattlesnake Mtn., near road, along the east side of Armstrong Rd., ca. 1/8 mi. S of the San Bernardino Co. line 313 Comment
  UCR2493  Koeleria macrantha F. M. Reed 1932-7-2 7294 Riverside San Jacinto Mountains, Camp Emerson, Idyllwild 1524 Comment
  JOTR31094  Krameria erecta La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2355 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Cobble toe slopes at the base of Ryan Mountain, north end of Lost Horse Hills (Stop 3) Comment
  UCR135717  Krameria erecta Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9002 Riverside Santa Rosa Mountains, along Hwy 74 on the Santa Rosa Mountain Grade, c. 0.5-0.8 mi NE of Black Hill 854 Comment
  UC472703  Krameria grayi M. F. Spencer 1922-4-28 405 Riverside Chino Canyon Palm Springs (Palm Springs); Colo. Desert, , Chino Canyon <Colorado Desert> Comment
  RSA775443  Lactuca serriola Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4445 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  RSA786956  Lactuca serriola R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49541 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso Comment
  JEPS41824  Laennecia coulteri S. B. Parish 1912-10-24 8357 Riverside Thermal Salton Basin, Thermal -39 Comment
  RSA562615  Lamarckia aurea Steve Boyd 1993-3-14 7724 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Northeastern corner of the wilderness, south of Elsinore Peak, in broad saddle on high ridge forming east side of Wildhorse Canyon. 976 Comment
  RSA0074189  Lamium amplexicaule Justin M. Wood 2008-11-17 233 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR72383  Langloisia schottii Theo Glenn 1991-5-8 91- 82 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 378 Comment
  UCR51954  Langloisia setosissima Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2165 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
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Mar 19 2016
  CSUSB316  Larrea tridentata Frank Aubrey 1959-2-3 Riverside On gas pipe road, 1.8 miles east of junction with U.S. Highway 60, 8.2 miles east of Desert Center. Comment
  RSA390020  Larrea tridentata N. C. Cooper 1949-4-8 3272 Riverside Mecca Pass east of Indio 549 Comment
  RSA650092  Larrea tridentata G. Kirstein 1962-4-28 s.n. Riverside Near Indio. Comment
  UC1929819  Larrea tridentata Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10447 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
  RSA689506  Lastarriaea coriacea Scott D. White, Michael Honer 2003-5-27 9418 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak '2349.' 396 Comment
  CLARK-A1528-255  Lasthenia chrysostoma C. M. Flanagan 1973-4-26 OO 320 Riverside Morongo Indian Reservation 1158 Comment
  CAS-BOT-BC354219  Lasthenia coronaria L. R. Abrams 1935-4-7 13668 Riverside Gavilan Hills 2 mi S.W., Perrin Comment
  RSA617302  Lasthenia coronaria R. S. Woglum 1934-3-18 649 B Riverside San Jacinto Mountains/Sonoran Desert transition: Snow Creek, Coachella Valley. Comment
  UCR18611  Lasthenia glabrata subsp. coulteri O. F. Clarke 1973-3-10 s.n. Riverside Lakeview Area, 2.5 mi north of Ramona Expressway on Davis Rd. 434 Comment
  POM55167  Lasthenia gracilis C. F. Baker 1904-4-4 4087 Riverside Elsinore. Comment
  RSA192189  Lasthenia gracilis E. W. Lathrop 1966-3-20 6057 Riverside 3 miles W of Murrieta Comment
  RSA691981  Lasthenia gracilis Scott D. White, Michael Honer 2003-4-2 8925 Riverside Temescal Valley: Alberhill area. North of the I-15 Freeway, on and near crest of unnamed mountain, '2349.' 671 Comment
  SEINET238557  Lathyrus vestitus George K. Helmkamp 1998-6-27 4119 Riverside Santa Rosa Mtns.: 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. below Mountain Home Spring. 1799 Comment
  UCR51350  Lathyrus vestitus B. G. Pitzer, E. Misquez 1988-2-28 0616 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  RSA511357  Lathyrus vestitus subsp. alefeldii B. Pitzer, E. Misquez 1988-3-20 665 Riverside Cleveland National Forest, San Juan Loop Trail, ca. 4 mi. W of El Cariso Village, just across the hwy from Ortega Parks Store. 548 Comment
  UCR137706  Lathyrus vestitus var. alefeldii D. L. Banks 1997-3-16 1549 Riverside NW Palomar Mountains, Agua Tibia Mountains, N face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound 567 Comment
  CAS-BOT-BC379666  Layia platyglossa J. C. Roos 1965-6-13 s.n. Riverside Mountain Center, San Jacinto Mtns. Comment
  CLARK-A1528-1981  Layia platyglossa John C. Roos 1940-5-20 905 Riverside Reche Canyon Comment
  RSA673510  Layia platyglossa Scott D. White, Bill La Haye 2000-5-27 7954 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCR23999  Layia platyglossa John C. Roos 1965-6-13 s.n. Riverside Peninsular Range; San Jacinto Mtns., Mountain Center 1372 Comment
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Jan 8 2013
  UCR241016  Layia platyglossa T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1216 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  UCR84637  Layia platyglossa Scott D. White, S. Ogg 1994-4-21 1989 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  SD117843  Lemna minor Wayne P. Armstrong 1985-6-29 1240 Riverside Creek at northeast end of Fulmor Lake, on Highway R 1, northwest of Idyllwild. 1524 Comment
  UCR266822  Lemna minor D. E. Bramlet 2005-7-13 3897 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, east of old San Jacinto River channel, margin of flooded ponds 433 Comment
  UCR19094  Lepidium dictyotum var. acutidens John C. Roos 1950-3-18 4712 Riverside Perris-Aguanga Basin region, 1 mi SE of Perris 457 Comment
  RSA303559  Lepidium fremontii Jim Shevock 1970-12-13 566 Riverside White Tank, Joshua Tree National Monument. 1177 Comment
  RSA429909  Lepidium fremontii J. Ewan 1931-4-3 4121 Riverside 20 miles E of Beal Well, Colorado Desert. Comment
  SBBG70816  Lepidium fremontii R. Hoffmann 1929-2-9 Riverside Desert Center Comment
  UCR244418  Lepidium fremontii var. fremontii Jim Andre 2012-4-16 20913 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
  CAS-BOT-BC89587  Lepidium lasiocarpum E. A. McGregor 1917-3-19 798 Riverside Colorado Desert. Indio Sands near U.S. Date garden. Comment
  UCR241798  Lepidium lasiocarpum A. C. Sanders, Ann Howald 2013-2-28 40561 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 3.4 miles west of Hwy 78, 11 km SW (250 deg. ) of Ripley 114 Comment
  UCR30098  Lepidium lasiocarpum George K. Helmkamp 1983-4-5 483 8 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UCR245260  Lepidium lasiocarpum subsp. lasiocarpum Jim Andre 2012-3-19 21307 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  RSA642807  Lepidium lasiocarpum var. lasiocarpum R. F. Thorne 1963-3-29 32422 Riverside 9 miles E of Mecca, Mecca Hills 152 Comment
  RSA522317  Lepidium latifolium Steve Boyd 1989-7-23 3787 Riverside City of Riverside, Santa Ana River, just downstream of old city dump at W extension of Rubidoux Avenue. Comment
  RSA711842  Lepidium nitidum A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25833 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  UCR126377  Lepidium nitidum A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 686 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  SDSU12850  Lepidium pinnatifidum Janet M. Knotts, Jill Steinberg & Kevin Contreras 1998-3-25 25 III1998I Riverside Road to southwest of SDSU Margarita Field Station, ca. 1000 feet SW on road to switchback, northwest of bend in road. 262 Comment
  CAS-BOT-BC60105  Lepidium virginicum var. menziesii Street; Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
  CAS-BOT-BC60108  Lepidium virginicum var. menziesii Geo. T. York 1936-7-30 s.n. Riverside Chino. Comment
  RSA65796  Lepidium virginicum var. pubescens F. W. Peirson 1922-5-21 3031 Riverside Along east side of Hemet Valley 1357 Comment
  UCR193901  Lepidium virginicum var. pubescens A. C. Sanders, Mitch Provance 2008-7-11 35784 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
  UCR113592  Lepidium virginicum var. robinsonii A. C. Sanders 1998-1-15 21632 Riverside Lake Skinner area, Black Mtn., along road up north side 884 Comment
  RSA898  Lepidospartum squamatum J. T. Howell 1927-8-1 551 Riverside Morongo Pass, Northern Colorado Desert 457 Comment
  SEINET7883487 Image available Lepidospartum squamatum Lewis S. Rose 1958-1 38331 Riverside 3 mi. se. of Palm Springs Station Whitewater Wash 274 Comment
  UCR39350  Leptochloa filiformis A. C. Sanders 1985-8-24 5947 Riverside Sonoran (Colorado) Desert, lower Coachella Valley near Oasis on the dirt extension of Avenue 76, 0.4 mi east of Hwy 195, along the south side of a large drain flowing toward the Salton Sea -55 Comment
  UC23414  Leptodactylon californicum A. J. McClatchie May 1892 27 Riverside near Elsinore; near Elsinore Comment
  JEPS69870  Leptodactylon pungens W. L. Jepson 1914-5-18 6003 Riverside Pinion Well Canyon n Indio (Mts. of the Pinion Well); , Pinion Well Canyon 762 Comment
  POM364533  Leptosiphon ciliatus Anstruther Davidson s.n. Riverside San Jacinto Cal. Comment
  CAS-BOT-BC227046  Leptosiphon floribundus subsp. glaber Frank W. Peirson 1922-4-28 946 Riverside Leach Canon [Canyon], Elsinore Region Comment
  RSA0123704  Leptosiphon floribundus subsp. hallii Duncan S. Bell, Thomas Stoughton 2016-4-12 9238 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.75 air miles northwest of Rabbit Peak. 698 Comment
  OBI70236  Leptosiphon liniflorus Steve Boyd 1986-5-7 1850 Riverside Temescal Cyn: terrace escarpment between Horsethief wash and Indian Truck Trl, S of I-15 Comment
  POM17544  Leptosiphon pygmaeus subsp. pygmaeus H. Baer 1923-5-6 s.n. Riverside 1 mile east of Alberhill Comment
  SBBG87851  Lesquerella tenella A. C. Sanders 1986-3-2 6057 Riverside Chuckwalla Bench, S side of the Chuckwalla Mtns, on Bradshaw Rd, ca. 2 mi E of the gasline rd 640 Comment
  UC279681  Lesquerella tenella Edmund C. Jaeger 1926-2-28 Riverside Canyon Springs Wash near Salton Station (Colorado Desert); , Canyon Springs Wash 30 Comment
  POM361836  Lessingia glandulifera var. glandulifera I. W. Clokey, E. G. Anderson 1935-8-21 6951 Riverside West of Keen Camp P. O. 1200 Comment
  RSA773470  Lessingia glandulifera var. glandulifera Duncan S. Bell, Colleen Wheeler 2010-7-19 1630 B Riverside San Bernardino National Forest: Garner Valley, in the vicinity of the Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1377 Comment
  UCR106355  Lessingia glandulifera var. glandulifera John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR139966  Lessingia glandulifera var. glandulifera Virginia Moran 2003-7-17 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  UC53468  Leymus triticoides Dr. A. Davidson Riverside Banning Comment
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Mar 13 2011
  RSA198977  Lilaea scilloides Robert F. Thorne, E. W. Lathrop, Philip A. Munz 1968-5-8 37569 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  RSA0039266  Limonium sinuatum A. C. Sanders 2014-4-23 41057 Riverside Temescal Valley at intersection of Concordia Ranch Rd. and Temescal Canyon Rd., near I-15 364 Comment
  UC68745  Linanthus aureus subsp. aureus H. M. Hall May 1905 6001 Riverside Cottonwood Pass Colorado Desert 609 Comment
  RSA689694  Linanthus ciliatus Valerie L. Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1702 Riverside Slope above junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  UC907941  Linanthus dianthiflorus Victor Duran 1930-4-17 Riverside Sage Comment
  UCR21923  Linanthus dianthiflorus Steve Boyd 1980-4-8 106 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA614296  Linanthus dianthiflorus subsp. dianthiflorus D. L. Banks, Victor W. Steinmann 1997-3-13 1512 Riverside NW Palomar Mountains, Agua Tibia Mountains: Vail Lake area, north and just south of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  RSA0022553  Linanthus jonesii J. Andre, G. L. Clifton, Ron Kelley 2013-3-21 24383 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  RSA704587  Linanthus jonesii LeRoy Gross 2005-3-3 1587 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UCR233176A  Linanthus jonesii Jim Andre, Glenn L. Clifton 2011-2-22 17432 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  SEINET7072821  Linanthus lemmonii A. G. Vestal 1963-5-19 s.n. Riverside Open bush country about 3.6 miles northeast of Aguanga on Route 371 [on the Cahuilla Road] Coordinate datum: WGS84/NAD83. (33? deg. 29' 7" North Latitude, -116? deg. 49' 54" West Longitude, Coordinate datum: NAD27.). Comment
  UC908796  Linanthus lemmonii Victor Duran 1935-4-17 Riverside Sage Comment
  RSA554130  Linanthus maculatus George K. Helmkamp 1992-4-11 92 -3 Riverside Whitewater River Wash, 0.4 miles N of pumping station and 150 yards E of road (ca. 1/2 way between Bonnie Bell and station) 550 Comment
  UCR176577  Linanthus nuttallii Joseph Cahill 1998-5-26 15- 03 Riverside Peninsular Range; Santa Ana Mtns., above Lake Elsinore, [near El Cariso Guard Station] just outside Cleveland National Forest 808 Comment
  POM13055  Linanthus pungens E. C. Jaeger 1921-06 s.n. Riverside San Jacinto Mountains, Tacquitz Comment
  CLARK-A1045-342  Linaria canadensis var. texana George K. Helmkamp 1978-4-8 Riverside Box Springs Mountains Riverside East 7.5Q' Comment
  RSA5003  Linaria canadensis var. texana Carl B. Wolf 1932-3-20 3 Riverside Richman Ranch, 2.5 miles no. of De Luz; S.W. Riverside County. 457 Comment
  RSA715179  Linaria canadensis var. texana John Green 2006-4-25 s.n. Riverside Peninsular Ranges; Temecula, Southern California Edison right of way between residential areas, N-S corridor between S. General Kearny Road and La Serena Way; E of Veterans park. 366 Comment
  CLARK-A1528-1009  Linum lewisii John C. Roos 1947-5-24 3647 Riverside San Jacinto Mountains 1706 Comment
  UC665779  Linum usitatissimum Ira L. Wiggins 1941-3-24 9572 Riverside 0.3 mi s of Myoma (4.6 mi n of Indio) Comment
  UCR160974  Lithophragma Ian G. Gillespie, Summer Karsh 2000-5-13 44 Riverside San Jacinto Mtns., Twin Pines Ranch Road off of Hwy 243, below McMullen Flat 1250 Comment
  UCR35278  Lithophragma affine subsp. mixtum L. B. Ziegler 1972-4-7 444 Riverside San Jacinto Mtns., canyon on N slope Baldy Mtn. 1646 Comment
  SBBG69642  Lobelia cardinalis M. D. Clary 1928-7-7 Riverside Snow Crk, Mt San Jacinto Comment
  UCR162547  Lobularia maritima S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  UCR155941  Loeflingia squarrosa T. B. Salvato, Kent Beaman 2005-5-16 799 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
  RSA644007  Loeflingia squarrosa var. squarrosa V. W. Steinmann, M. T. Wedlake 1995-4-8 657 Riverside Along Hwy. 111, 1 km northwest of Palm Springs (measured from the intersection with San Rafael Dr.). 215 Comment
  JOTR37464  Loeseliastrum matthewsii Hodges, Stephen, T. Green 2016-5-5 586 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Upper Covington Flats, southwest from parking area for Covington Crest trail, along the ridge crest (Stop 1) Comment
  RSA0121391  Loeseliastrum matthewsii Duncan S. Bell, LeRoy Gross 2016-3-31 9192 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 492 Comment
  RSA468344  Loeseliastrum schottii Robert Gustafson, Gary D. Wallace 1982-5-19 2569 Riverside Pines to Palms Hwy (Hwy. 74), vicinity of Pinyon Flat campground. Comment
  UCR78448  Logfia arizonica Scott D. White 1993-4-22 1266 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  SEINET244006 Image available Logfia filaginoides Herbert L. Mason 1952-1 14208 Riverside Palm Canyon near Palm Springs Comment
  UC1595637  Logfia filaginoides Steve Boyd 1991-5-10 6212 Riverside bottom of Skyline Drive just n of mouth Hagador Canyon (base of Santa Ana Mountains); Santa Ana Mountains 426 Comment
  RSA0085060  Lolium perenne subsp. multiflorum Mary Duke, Christy Hightower, Cecilia McElroy 1982-5-15 20 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  SEINET1869725  Lolium rigidum Walter Graves 2002-1 502 -16 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields. 305 Comment
  POM356978  Lolium temulentum N. C. Cooper 1944-5-6 1171 Riverside Banning. 701 Comment
  UC1537174  Lomatium dasycarpum subsp. dasycarpum Gordon H. True Jr. 1935-4-9 227 Riverside Gavilan Hills 609 Comment
  UCR1607  Lomatium lucidum R. G. Barber, David L. Davis 1962-5-13 111 Riverside Santa Ana Mtns., l mi. up Ivy St. from center of Murrieta 396 Comment
  JOTR30985  Lomatium mohavense La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1963 Riverside Joshua Tree National Park. (Stop 2) Hexie Mountains, east end of Blue Cut Gorge, toe slope with bouldery wash Comment
  JOTR34479  Lomatium mohavense Andre, Jim 2012-4-16 20960 Riverside Joshua Tree National Park. Queen Valley; north side of Ryan Mtn. at Sheeps Pass campground area. 1370 Comment
  UCR97663  Lomatium utriculatum A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19913 Riverside Lake Skinner area, ridgetop (2283 foot ridge) on north side of valley in hills east of Rawson Canyon, 1 mile south of Crown Valley. 671 Comment
  SBBG95112  Lonicera interrupta S. D. White 1990-7-10 Riverside E Millard Cyn, on the rd to Kitching Peak Trail 1127 Comment
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Sep 8 2014
  SD229122  Lonicera subspicata var. denudata Dick Schwenkmeyer 2012-3-26 676 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  UC1608260  Lonicera subspicata var. denudata Steve Boyd, Tim Ross 1992-5-5 7230 Riverside e portions Oak Flats (along the Bluewater Trail); Southern Santa Ana Mts., San Mateo Canyon Wilderness Area 731 Comment
  UCR199738  Lotus corniculatus Scott D. White, Justin Wood 2008-6-24 12290 Riverside Beaumont Badlands, San Timoteo Canyon, meadow along San Timoteo Creek 671 Comment
  UCR93940  Lotus corniculatus B. G. Pitzer 1996-6-26 2911 Riverside Riverside: weed in a lawn at 12th and Lemon Streets 259 Comment
  UC62925  Lotus grandiflorus H. M. Hall Jun 1901 2020 Riverside canyon of San Jacinto River San Jacinto Mountains 1219 Comment
  RSA525446  Lotus hamatus Steve Boyd 1990-4-29 4491 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UCR167789  Lotus hamatus T. B. Salvato, Gregg Miller 2005-6-3 1385 Riverside Peninsular Range: Perris-Aguanga Basin, tributary of the San Jacinto River, c. 3 mi SW of Perris, 1.5 mi east of the Good Hope Mine and less than 0.25 mi south of Ethanac Road 433 Comment
  UCR90368  Lotus hamatus Scott D. White 1995-6-30 3429 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  RSA406173  Lotus heermannii Robert Gustafson 1980-5-5 1561 Riverside Whitewater Canyon Road, 1.8 miles from the junction with Interstate 10. 610 Comment
  UCR251996  Lotus heermannii A. C. Sanders, T. B. Salvato 2014-7-2 41171 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA160514  Lotus nevadensis var. nevadensis J. D. Olmsted 1959-5-23 657 Riverside Desert Sun School near Idyllwild 1646 Comment
  UCR92074  Lotus purshianus Scott D. White, S. Ogg 1994-10-17 2491 Riverside Temecula Valley, Temecula, Murrieta Creek channel, 1000 ft. north of bridge at Rancho California Ave. 311 Comment
  CDA27315  Lotus salsuginosus var. brevivexillus T. C. Fuller 1963-4-23 10274 a Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  RSA657175  Lotus scoparius var. brevialatus Bob Rogers 1984-4-14 3 Riverside Collected in the San Jacinto river-bed on the North side of Hwy 74, 0.6 miles past Cranston ranger station going east from Hemet towards Mountain Center 610 Comment
  SEINET232553 Image available Lotus scoparius var. brevialatus H. A. Heaton 1987-4-11 07 Riverside North of the University California Riverside. East on Blaine north on Belvedire 0.6 miles to the base of Two Trees Can 396 Comment
  UCR91392  Lotus scoparius var. brevialatus Scott D. White 1995-4-5 2709 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  RSA495418  Lotus strigosus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2938 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA689379  Lotus strigosus Scott D. White 2001-4-18 8366 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  UC1129239  Lotus strigosus H. S. Yates 1937-3-23 6444 Riverside 15 mi nne Mecca; Themal Quad. 457 Comment
  UC68652  Lotus strigosus H. M. Hall Apr 1905 5952 Riverside McCoy Wash Colorado Desert 91 Comment
  UC80674  Lotus strigosus T. S. Brandegee 1902-5-14 Riverside Whitewater Comment
  UCR282309  Lotus strigosus Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel, Jackie McConnaughy 2011-3-23 839 Riverside Sonoran (Colorado) Desert, Chocolate/Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine' 451 Comment
  JEPS48833  Lupinus Marjorie D. Clary 1932-5-13 951 Riverside Lost Horse Canyon , Lost Horse Canyon (Little San Bernardino Mts.) Comment
  JOTR38668  Lupinus arizonicus Hodges, Stephen R. 2017-2-1 674 Riverside Joshua Tree National Park. Eagle Mountains, South East facing sand ramps near the aqueduct road Comment
  RSA21750  Lupinus arizonicus C. B. Wolf 1937-4-5 s.n. Riverside Riverside. 30 Comment
  RSA444318  Lupinus arizonicus Walter Wisura 1988-3-1 4187 Riverside In wash off I 10 at beginning of Box Canyon road toward Mecca. Comment
  UCR240994  Lupinus arizonicus Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 51 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  RSA0113505  Lupinus arizonicus Lyman Benson 1945-3-29 11635 Riverside Canyon on Palm Springs Road. Mt. Range: Little San Bernardino. 609 Comment
  UCR201472  Lupinus bicolor Scott D. White, Justin M. Wood 2008-6-5 12083 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 Comment
  RSA431075  Lupinus bicolor subsp. marginatus David B. Dunn 1949-4-10 5541- 2 -3 Riverside A colony growing 1 mile east of Beaumont on the southside of he highway at Xenica Ave. Comment
  SEINET10484858  Lupinus bicolor subsp. marginatus David B. Dunn 1949-4-10 Dunn 5541 -2-3 Riverside A colony growing 1 mile e of beaumont on the s side of the hwy at xenica ave. Comment
  RSA180235  Lupinus bicolor subsp. tridentatus E. W. Lathrop 1965-5-30 5597 Riverside 14 miles W of Murrieta, Riverside County Comment
  SD119936  Lupinus concinnus Louis B. Ziegler 1967-6-8 155 Riverside Hemet Valley; San Jacinto Mountains. 1402 Comment
  POM10351  Lupinus concinnus subsp. optatus H. M. Hall 1904-5-19 4945 Riverside Fairmount Park. Comment
  RSA543577  Lupinus excubitus var. austromontanus Steve D. Boyd 1991-5-7 6159 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  JOTR33774  Lupinus excubitus var. excubitus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2927 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (stop 2) Comment
  RSA796518  Lupinus excubitus var. hallii Robert F. Thorne, E. W. Lathrop 1977-5-18 49728 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  SEINET269555  Lupinus excubitus var. hallii Scott D. White 1996-5-27 4068 Riverside Jackrabbit Canyon E. of Moreno Valley and S. of Calimesa between state Hwy. 60 and Gilman Spr. Rd. west and north of 518 Comment
  SD187407  Lupinus hirsutissimus Scott D. White, Angelia Carey 2004-4-16 10194 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  SDSU13340  Lupinus hirsutissimus C. Matt Guilliams 2000-4-29 9 Riverside Santa Margarita Ecological Reserve, 'Insect Trail'. 1.5 miles NE of Gavalin Mtn. 305 Comment
  UCR231810  Lupinus hirsutissimus Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 04 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  RSA5431  Lupinus hyacinthinus Carl B. Wolf 1932-8-5 3985 Riverside near junction of trail from Round Valley to San Jacinto Peak and trail to idyllwild via Tahquitz Valley 2957 Comment
  SEINET10485440  Lupinus hyacinthinus David B. Dunn 1946-8-17 Dunn 2696 Riverside Damp meadow area grassy, near the stream at the camp in taquitz valley, san Jacinto mts. 2438 Comment
  UCR93020  Lupinus latifolius G. P. Schultz 1994-4-7 72 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  JEPS65114  Lupinus microcarpus var. densiflorus W. L. Jepson 1914-5-25 6086 Riverside Banning Comment
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Mar 13 2011
  SEINET7907968  Lupinus shockleyi D. A. Johnson 2005-1 Riverside Between Coachella & S entrance to Joshua Tree Nat'l Park, S of Interstate 10 914 Comment
  CHSC35193  Lupinus sparsiflorus James Henrickson 1973-3-18 8604 Riverside 16 (air) miles E of Temecula, 2.9 miles E of Aguanga along Hwy 71. 822 Comment
  RSA653542  Lupinus sparsiflorus Scott D. White 1999-5-24 7383 (3 repl. total) Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  CSUSB1635  Lupinus succulentus Rita Gibbons 1975-4-12 Riverside 3.5 miles north of highway 60 and Heacock in Sunnymead. Comment
  RSA660561  Lupinus succulentus Bruce Albert 1982-4-17 59 Riverside Flat field south of Cajalco road, 0.3 miles east of La Sierra Hwy. Comment
  RSA180413  Lupinus truncatus E. W. Lathrop 1965-5-9 5745 Riverside 6 miles W of Murrieta. Comment
  CLARK-A1528-4345  Lycium andersonii John C. Roos 1966-2-12 Riverside Chuckwalla Valley Comment
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May 21 2016
  RSA510020  Lycium andersonii B. Pitzer 1988-3-10 659 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  UC1280950  Lycium andersonii H. E. McMinn 1937-3-5 5001 Riverside about 7 mi w Blythe Comment
  UCR89576  Lycium andersonii Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument. E side of Hexie Mtns., along Ruby Lee Well Road, between paved Pinto Basin Road and the divide. 823 Comment
  POM4213  Lycium torreyi I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 274 Comment
  UCR92038  Machaeranthera asteroides Scott D. White 1995-8-23 3589 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
  UCR201017  Machaeranthera asteroides var. asteroides Scott D. White, Justin M. Wood 2008-9-17 12540 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks 448 Comment
  UCR34936  Machaeranthera canescens subsp. canescens L. B. Ziegler 1964-10-10 45 Riverside San Jacinto Mtns., Garner (Hemet) Valley 1402 Comment
  RSA358581  Mahonia repens Larry E. DeBuhr 1972-3-23 513 Riverside 6000 ft, along forest road 7S02 Comment
  RSA77212  Malacothamnus densiflorus var. densiflorus P. A. Munz 1923-6-14 7099 Riverside Glen Ivy Trail to Santiago Peak. 915 Comment
  UCR113163  Malacothamnus fasciculatus A. C. Sanders 1998-1-15 21642 Riverside Lake Skinner area, along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  JEPS36809  Malacothrix clevelandii W. L. Jepson 1928-4-19 12430 Riverside hills 5 mi n Elsinore Comment
  CAS-BOT-BC347710  Malacothrix glabrata Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  POM362317  Malacothrix glabrata Albert J. Perkins 1924-10 s.n. Riverside Near Banning. Comment
  SEINET2053780 Image available Malacothrix glabrata B. Pitzer 1988-3-10 654 Riverside W side of Chuckwalla Mtns., on gas line road ca. 1.5 mi. N of intersection with Red Cloud Mine Rd. (& wash); ca. 2 airline miles S of Hwy I-10. 487 Comment
  UC831116  Malacothrix glabrata C. L. Hitchcock 1940-4-4 5929 Riverside 1.5 mi ne Cottonwood Spring (along 29 Palms Road, Joshua Tree National Monument) Comment
  UCR244316  Malacothrix glabrata Jim Andre 2012-4-16 20891 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
  UCR15462  Malacothrix stebbinsii George K. Helmkamp 1977-3-12 s.n. Riverside Sonoran (Colorado) Desert, Deep Canyon at the bottom of the main wash near marker 40. South of Palm Desert 305 Comment
  UCR123751  Malva parviflora Steven R. Hill 2001-4-29 33519 Riverside Calimesa, south side of Route I-10 right-of-way, 0.2 mi west of Desert Lawn Road exit 705 Comment
  CLARK-A1528-429  Marah macrocarpa C. M. Flanagan 1973-5-31 Riverside Morongo Indian Reservation 975 Comment
  RSA651081  Marah macrocarpa Diane M. Ramirez 1983-5-15 8 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Comment
  SD190351  Marah macrocarpa A. C. Sanders 2004-4-20 27525 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego County line. 640 Comment
  JOTR35347  Marina parryi Harding, Mitzi, Mark Wheeler 2012-2-28 114 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; large northeast flowing canyon (Stop 5) 268 Comment
  UC1595726  Marina parryi W. Wisura, J. Dolan, and M. Wall 1992-3-25 4654 Riverside 9.6 mi s Wileys Well (toward Hwy 78) Comment
  RSA619538  Marrubium vulgare D. L. Banks 1997-5-5 1987 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  SBBG99460  Marrubium vulgare W. L. Halvorson 1977-1-15 77 -24 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  SEINET244843  Marrubium vulgare A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24936 Riverside The Badlands; Hills and canyons west of Laborde Canyon, 1 mi NE of Eden Hot Springs, SW of Beaumont 610 Comment
  POM12436  Marsilea vestita P. A. Munz 1922-4-29 5071 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  SD227668  Marsilea vestita A. C. Sanders, K. C. Rose 1998-9-29 22240 Riverside San Jacinto Valley: west edge of Hemet, east side of Warren Rd. between Esplanada Ave. and the Tres Cerritos Hills 459 Comment
  SD124724  Matelea parvifolia A. C. Sanders, Pitzer, Charlton, et al. 1986-3-2 6053 Riverside Chuckwalla Bench, south side of the Chuckwalla Mountains, on the Bradshaw Road about 2 miles east of the gasline road. 640 Comment
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Aug 29 2010
  RSA0045154  Matricaria occidentalis Andrew Haimov, April Sleigh 1992-5-5 79 Riverside 1 1/2 miles east of Davis Road. 2 miles north of Ramona Expressway, San Jacinto Wildlife Area. Comment
  RSA717836  Meconella denticulata T. Tennant, Mitch Provance 1998-6-25 MOR- 1060 Riverside Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  RSA0028709  Medicago minima Norman C. Cooper 1944-5-6 1214 Riverside Banning. 701 Comment
  OBI37484  Medicago polymorpha Steve Boyd 1985-7-23 1008 Riverside De Luz Rd, 7 mi W of Rancho California 366 Comment
  UCR162409  Medicago polymorpha S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR2908  Melia azedarach Nancy Atha 1963-4-21 4-21-63- 4 Riverside Riverside, NW side of Box Springs Mountain, c. 100 ft. above the end of Goodrich Drive 305 Comment
  CLARK-A1528-4725  Melica frutescens John C. Roos 1937-4-18 1360 Riverside San Jacinto Mountains Comment
  UCD66801  Melica frutescens F. M. Reed 1920-5-10 4490 Riverside Colorado Desert, Murray Canyon. 457 Comment
  UCR214012  Melica frutescens A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37796 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
  SEINET254498 Image available Melica imperfecta A. C. Sanders 2004-4-20 27553 Riverside Santa Ana Mountains: Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  UCR201501  Melica imperfecta Scott D. White, Justin M. Wood 2008-6-19 12274 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  UCR207514  Melica imperfecta O. F. Clarke 2004-2-26 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, Two Trees Canyon 412 Comment
  UCR281487  Melica imperfecta Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-4 417- 86 Riverside Gavilan Hills, SCE transmission route (projected) 0.6 miles NNW of Lake St. and Walker Canyon Rd. 152 Comment
  UCR139045  Melilotus albus D. L. Banks 1997-3-1 1383 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and a long Pechanga Creek 335 Comment
  SEINET2063365 Image available Melilotus indicus Ed LaRue 1989-4-7 Riverside Woodcrest area: 1/2 mi NE of intersection of Van Buren Blvd. & Mockingbird Canyon Rd. 365 Comment
  UC65738  Melilotus indicus N. K. Berg 1904-3-4 Riverside San Jacinto Comment
  RSA543892  Mentzelia affinis Steve Boyd 1991-5-13 6257 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Road. 549 Comment
  UCR249928  Mentzelia albicaulis T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7291 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  RSA763172  Mentzelia dispersa Scott D. White, Justin M. Wood 2009-5-22 12899 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  UCSB4226  Mentzelia involucrata Haller, John 1960-4-2 Riverside 1.3 miles south of the junction of US 60-70 and the south entrance road to Joshua Tree Natl. Mon. 487 Comment
  POM13053  Mentzelia involucrata var. megalantha P. A. Munz, D. D. Keck 1922-4-9 4836 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  RSA440443  Mentzelia jonesii Christopher Davidson 1979-4-4 7720 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  SD181456  Mentzelia montana Scott D. White, Bill LaHaye 2000-5-27 7962 Riverside San Jacinto Mountains, Baldy Mountain area; Idyllwild [quad]. 1616 Comment
  CAS-BOT-BC435293  Mesembryanthemum nodiflorum A. C. Sanders 1993-5-12 14003 Riverside Hemet, SW corner of the intersection of Florida Ave. (Hwy 74) and Warren Rd., between the New San Diego Aqueduct and Warren. 460 Comment
  RSA356983  Micropus californicus R. F. Thorne 1973-5-23 43870 Riverside Santa Rosa Plateau: N side of Mesa de Colorado. Santa Ana Mountains 609 Comment
  SBBG101734  Microseris douglasii subsp. douglasii S. Boyd with D. Bramlet 1991-5-13 6223 Riverside Winchester Valley between Winchester and Hemet, along upper Salt Crk drainage, N of Santa Fe Railroad tracks, W of San Diego Aqueduct; T5S, R2W, S1/2, NW1/4 of S24 Comment
  UCR103488  Microseris douglasii subsp. platycarpha D. E. Bramlet 1993-3-30 2306 Riverside Lake Mathews Reserve, approx 1.98 km east of the intersection of Cajalco Rd. and Sierra Ave., 152 m south of Cajalco Road and 50 m west of the access road to the Black Rocks area 442 Comment
  UCR112009A  Microseris douglasii subsp. platycarpha A. C. Sanders, T. B. Salvato 2000-5-25 23410 A Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA560362  Microseris heterocarpa Steve Boyd 1992-4-14 6819 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  UCR214884  Microseris heterocarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37676 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  POM158061  Microseris lindleyi A. M. Alexander, Louise Kellogg 1941-5-3 2106 Riverside 13 miles SW of 29 Palms, Joshua Tree National Monument. 1372 Comment
  RSA507952  Microsteris gracilis subsp. humilis Steve Boyd, K. A. Boyd, C. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2270 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  POM256714  Mimulus aurantiacus var. pubescens W. Pequegnat 1940-6-19 s.n. Riverside Pleasants Pk. (Sugarloaf Pk.) 1220 Comment
  POM8577B  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2282 Riverside Butte west of Lakeview. 610 Comment
  UC1039776  Mimulus aurantiacus var. pubescens Herbert L. Mason 1926-5-2 3190 Riverside Aguanga Valley Comment
  UCSB26695  Mimulus aurantiacus var. pubescens Wilken, Dieter 1969-5-9 Riverside Hidden Valley Campground; Lost Horse Valley; 14 miles south of Joshua Tree; Joshua Tree National Monument Comment
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May 1 2015
  RSA180498  Mimulus aurantiacus var. puniceus E. W. Lathrop 1960-5-27 5230 Riverside 6 miles west of Murrieta. Comment
  UCR35234  Mimulus aurantiacus var. puniceus L. B. Ziegler 1969-4-25 347 Riverside San Jacinto Valley, hills on west side of valley in Coyote Pass area 518 Comment
  POM42984  Mimulus bigelovii var. bigelovii Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA420965  Mimulus bigelovii var. bigelovii N. C. Cooper 1949-4-8 3318 Riverside Desert Center. 610 Comment
  POM10946  Mimulus diffusus P. A. Munz 1922-4-30 5135 Riverside Hills south of Tuscaluta Creek from Aguanga to Hemet Comment
  UCR137182  Mimulus diffusus Victor Duran 1932-5-18 3220 Riverside San Jacinto Mtns., Idyllwild 1677 Comment
  UCR151205  Mimulus floribundus Scott D. White 1999-6-6 7441 Riverside San Jacinto Mnts, Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds of USFS Road 5S24.2 1463 Comment
  UCR142934  Mimulus fremontii Scott D. White 1999-6-6 7440 Riverside San Jacinto Mnts, Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds of USFS Road 5S24.2 1463 Comment
  SEINET7048053  Mimulus guttatus Steven R. Hill 2001-4-29 33528 Riverside Whitewater Canyon, along Whitewater River, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  UCR195123  Mimulus guttatus A. C. Sanders, Tim Thomas 2008-8-1 35958 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 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
  UCR90740  Mimulus guttatus Scott D. White 1995-4-5 2732 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  JEPS11354  Mimulus microphyllus W. L. Jepson 1901-5-22 1364 Riverside Palm Canyon, upper part Mt. San Jacinto region 914 Comment
  RSA585512  Mimulus palmeri D. L. Banks, S. D. Boyd 1995-5-9 373 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 710 Comment
  UCR174078  Mimulus pilosus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32592 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
  UCR92195  Mirabilis californica D. L. Banks, Steve Boyd 1995-5-3 0274 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  RSA0027992  Mirabilis laevis var. crassifolia Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6102 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  UC1007219  Mirabilis laevis var. crassifolia Philip A. Munz 1940-3-22 15654 Riverside Whitewater Canyon, 2 miles N of Banning-Indio Boulevard Comment
  RSA464242  Mirabilis laevis var. retrorsa N. R. Zabriskie, W. M. Zabriskie 1973-4-3 599 Riverside Top of Poorwill Canyon, Andreas Canyon area. Lower east slope of San Jacinto Mountains. 427 Comment
  SBBG14041  Mirabilis multiflora E. R. Blakley 1961-9-12 4716 Riverside Pinyon Flat, Palms to Pines Hwy 1219 Comment
  POM305609  Mohavea confertiflora Henry J. Ramsey, Henry J. Ramsey 1937-3-2 908 Riverside Desert center, Mojave Desert Comment
  RSA758321  Mohavea confertiflora Doug Goldman 2005-3-3 3024 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  SDSU10812  Mohavea confertiflora A. H. Gallup 1949-3-28 384 Riverside Palms to Pines Hwy, above Desert Center [interpreted to be Palm Desert], east slope, Colorado Desert drainage area, in bottom of dry wash. 152 Comment
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Jan 30 2013
  UCD99623  Mollugo cerviana B. Pitzer 1997-10-19 3356 Riverside N foot of Chuckwalla Mts., Eagle Mtn Rd on S side of Hwy I-10. 0.8 mile S of Hwy at Powerline Rd. 500 Comment
  UCD169764  Monardella breweri subsp. lanceolata R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49544 Riverside Santa Ana Mountains: Along Ortega Highway (74), perhaps 1/4 mile west of El Cariso. 755 Comment
  RSA663200  Monardella lanceolata var. lanceolata Marcus E. Jones 1926-5-29 s.n. Riverside South of Temecula. Comment
  IRVC2056  Monardella nana R. H. Whittaker, W. A. Niering 1963-6-9 SJ 365 Riverside Elks Road. slope SW 25 degrees. Peninsular Ranges, Santa Rosa Mountains Comment
  SEINET1910804  Monardella nana subsp. arida E. McClintock, H. Lewis 1941-1 76 Riverside Road up Santa Rosa Mt. 1/2 mile beyond canyon where stream crosses road. Comment
  CHSC67964  Monardella nana subsp. nana Alison Graff 1993-6-24 M- 15 Riverside San Bernardino National Forest, Santa Rosa Mtn. 1.4 mi down Santa Rosa Mtn. Rd. (FS 7S02) from Santa Rosa Camp. Comment
  RSA701740  Monardella nana subsp. tenuiflora Steve Boyd, Valerie Soza 2004-6-22 11536 Riverside Western flank of the range in Hall Canyon, at the south end of Lake Fulmor, just north of Hwy 243. 1646 Comment
  RSA750284  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-10 91 Riverside San Jacinto Mts. Short distance from top of Suicide Rock. Comment
  UC25481  Monardella nana subsp. tenuiflora H. M. Hall 1901-6-24 2258 Riverside w side San Jacinto Mountains 1828 Comment
  UCR146121  Monardella nana subsp. tenuiflora Michael Denslow, M. W. Denslow Sr., Naomi Fraga, Valerie Soza, LeRoy Gross, Firoozeh Navid- Ara 2003-7-16 1459 Riverside Peninsular Ranges; San Jacinto Mtns, Santa Rosa Mountains, first peak west of Toro Peak 2617 Comment
  UCR221498  Monardella nana subsp. tenuiflora Elizabeth McClintock 1940-6-30 23 Riverside Peninsular Range; San Jacinto Mtns., Fuller Mill Creek Camp, on the Banning-Idyllwild road 1585 Comment
  RSA0008280  Monardella pringlei Charlotte M. Wilder 1904-6-20 199 Riverside Declez Pass, Jurupa Hills. Comment
  UCR215597  Monardella robisonii Tasha La Doux, Jim Andre 2008-9-16 349 Riverside Mojave Desert, Joshua Tree National Park, northeast end of Splitrock Picnic Area 1327 Comment
  SEINET13948655 Image available Monardella robisonii K. Stolte 1979-1 s.n. Riverside Joshua Tree National Monument. Serpent Rock, ca 800 meters SW of South Gate leading into Keys ranch. Serpent rock forms the N boundary of the Cohen property (off Monument route 2, opposite the entrance to Los Horse Ranger station.) Hidden Valley area Comment
  RSA26986  Monoptilon bellidiforme C. L. Hitchcock 1940-3-31 5880 Riverside 0.5 mile below Cottonwood Springs Comment
  RSA0024817  Monoptilon bellioides Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4464 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  UCR19047  Monoptilon bellioides John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  UCR241713  Monoptilon bellioides Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 41 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  UCR193361  Montia fontana A. C. Sanders, Tim Thomas 2008-6-20 35553 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  SEINET8044079 Image available Morus alba A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-1 41552 Riverside Peninsular Range: Eastern Foot of the Santa Ana Mtns: Temescal Valley jsut below I-15 bridge near Hostettler Road, Se of Lee (Corona) Lake, south side of I-15, 2.17 km west of Lake St. at Alberhill. 363 Comment
  CLARK-A1528-1279  Muhlenbergia asperifolia John C. Roos 1946-9-14 3002 Riverside San Jacinto Mountains 1066 Comment
  RSA0097960  Muhlenbergia asperifolia Duncan S. Bell 2014-11-14 7713 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  RSA316419  Muhlenbergia asperifolia R. F. Thorne, K. L. Wright, R. K. Benjamin 1982-10-8 55393 Riverside San Bernardino Mountains: Whitewater Canyon, about 3.3 miles N of Whitewater Post Office 595 Comment
  RSA777314  Muhlenbergia asperifolia Michael Wall 2010-9-9 592 Riverside Bautista Canyon east of Hemet; ca. 8 miles southeast of junction with Fairview Avenue, shaded narrow part of the canyon. 760 Comment
  UCR2783  Muhlenbergia asperifolia F. M. Reed 1907-10-20 1982 Riverside Riverside. Spring Brook above Fairmont Park. Comment
  CAS-BOT-BC275304  Muhlenbergia microsperma I. M. Johnston 1920-5-8 2262 Riverside Box Spring Mountain Comment
  UCR145963  Muhlenbergia microsperma June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UCR252601  Muhlenbergia microsperma T. B. Salvato, Matthew Malle 2013-4-4 7502 Riverside Perris-Aguanga Basin, Sedco Hills, Crab Hollow Circle between Lost Road and Lake View Drive 588 Comment
  UCR85187  Muhlenbergia microsperma A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16182 Riverside Coachella Valley/San Jacinto Mtns. foothills, Chino Canyon near the Palm Springs tram station 793 Comment
  SEINET10522269  Muhlenbergia microsperma Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-21 Holmgren 6436 Riverside Big Maria Mountains, 12 airline mi N of downtown Blythe. Locally common in sandy wash. 290 Comment
  JOTR30295  Muhlenbergia porteri La Doux, Tasha, Jim Andre 2007-9-6 129 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  JOTR30811  Muhlenbergia porteri Andre, Jim, Tasha La Doux 2008-9-16 10689 Riverside Joshua Tree National Park. along Bell Mountain Rd. atop Bell Mountain, approximately 0.3 miles north of radio tower. Queen Mountain USGS 7.5 min quad Near 34 00.35' N 116 00.017' W 1358 Comment
  POM259180  Muhlenbergia richardsonis P. A. Munz 1938-8-13 15326 Riverside Cedar Spring, north base of Santa Rosa Peak. 2287 Comment
  RSA532578  Myosurus minimus subsp. apus D. E. Bramlet 1991-6-1 2189 Riverside 6.1 km west of Hemet and some 135-670m west of the intersection of Florida and Warren. The population is some 8-15m north of Florida Ave. and 5m east of the MWD Canal. 152 Comment
  UC24129  Nama demissa var. demissa S. B. Parish Apr 4 1896-Apr 13 1896 4128 Riverside Palm Springs (Agua Caliente) Palm Springs (desert base San Jacinto Mt.); , Palm Springs (Agua Caliente) 152 Comment
  JEPS8950  Navarretia atractyloides Rimo Bacigalupi with G. T. Robbins 1954-5-16 4470 Riverside 0.5 mi n Sage (1.5 mi s of junction of road to Red Mountain, along road from Hemet to Sage (Calif Hwy 179)) 762 Comment
  UCR158882  Navarretia atractyloides Scott D. White 1994-6-14 2070 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR96866  Navarretia fossalis Scott D. White 1993-4-30 1320 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  UCSB41129  Navarretia fossalis Roos, John 1952-5-28 Riverside San Jacinto river bottomland; 1 mile southeast of Perris Comment
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Aug 8 2008
  SD204934  Navarretia intertexta R. F. Thorne, E. W. Lathrop, et al. 1982-6-5 55217 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
  RSA356991  Navarretia prostrata R. F. Thorne 1973-5-23 43860 Riverside Santa Rosa Plateau-Mesa De Colorado. 609 Comment
  JEPS57953  Nemacaulis denudata var. gracilis Frank W. Peirson 1917-1 6 Riverside road se Palm Springs Comment
  POM68114  Nemacladus longiflorus var. breviflorus Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA771691  Nemacladus longiflorus var. breviflorus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4687 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119 604 Comment
  JEPS5412  Nemacladus longiflorus var. longiflorus W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1555 A Riverside Temecula River; sw Riverside County Comment
  SEINET1869527 Image available Nemacladus longiflorus var. longiflorus Steve Boyd 1986-1 1700 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  UC29161  Nemacladus longiflorus var. longiflorus H. M. Hall Jun 1901 2047 Riverside vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  UCR164062  Nemacladus orientalis A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29148 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  SEINET3815124 Image available Nemacladus ramosissimus Rimo Bacigalupi, G. T. Robbins 1954-5-16 4473 Riverside Near summit of grade along State Hwy 79, 3/4 mile south of Sage 762 Comment
  UCR174352  Nemacladus ramosissimus A. C. Sanders 2006-5-19 32391 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
  SD132274  Nemacladus rubescens O. F. Clarke 1973-4-1 Riverside Alluvial fan at south entrance to Joshua Tree National Monument, below Cottonwood Springs. Comment
  NY547192  Nemacladus rubescens var. tenuis H. M. Hall 1905-4-17 5819 Riverside Eastern base of Indio Mt., Colorado Desert 150 Comment
  UC1563074  Nemacladus tenuis var. aliformis Steve Boyd and Orlando Mistretta 1986-3-13 1460 Riverside ne of Desert Center (w side of Palen Mts, upper bajada at base of range); Palen Mts. Comment
  RSA802257  Nemophila menziesii Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5004 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  UCR85251  Nicotiana clevelandii A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16184 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  JOTR30638  Nicotiana obtusifolia La Doux, Tasha, Erin Babich 2008-4-21 1800 Riverside Joshua Tree National Park. Stop 3-Little San Bernardino Mountains, S of Covington Flat 1290 Comment
  UCSB33605  Nicotiana obtusifolia Simmons, Karen 1979-3-25 Riverside Box Canyon Road, 10 miles south-west of Hwy 10 30 Comment
  CSUSB767  Nicotiana trigonophylla David M. Peterson 1966-2-20 Riverside 5.5 miles northeast of Mecca, in Box Canyon on Mecca-to-Joshua Tree National Monument Road. 121 Comment
  RSA686399  Notholaena californica M. B. Dunkle 1933-5-6 3424 Riverside Dry Morongo Canyon. Comment
  JEPS19051  Notholaena californica subsp. californica W. G. Wright Riverside Agua Caliente; Colorado desert Comment
  CAS-BOT-BC171496  Oenothera californica C. W. Tilforth 1976-5-22 1208 Riverside Common in vineyards and along Milliken Ave. in n.w. Riverside county. Comment
  SEINET7072842  Oenothera californica 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
  POM126853  Oenothera deltoides subsp. deltoides E. E. Schellenger 20 Riverside Colorado Desert. Santa Marie Mts. [Little or Big Maria Mountains] Comment
  UCR216214  Oenothera deltoides subsp. deltoides Jim Andre, T. La Doux 2009-2-25 10824 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  UCR261218  Olea europaea A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41735 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 396 Comment
  RSA554245  Oligomeris linifolia Theo Glenn 1991-5-15 91 -136 Riverside Colorado Desert Little Maria Mountains, NW of Blythe. 390 Comment
  RSA0107429  Olneya tesota Duncan S. Bell 2009-8-15 419 Riverside Northwest of the Arica Mountains. 300 Comment
  RSA0055051  Olneya tesota James R. Shevock 1971-5-8 1026 Riverside Box Cyn. 91 Comment
  CAS-BOT-BC383074  Oncosiphon piluliferum R. E. Riefner, Jr. 2006-3-2 06 -43 Riverside City of Lake Elsinore, near Gunnerson Pond, along Riverside Dr. ca. 0.15 mi E of Gunnerson St. 401 Comment
  CDA7546  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato 2005-5-17 30239 Riverside Perris Basin; San Jacinto Valley, Gilman Springs Rd. at Quail Lake Golf Course Comment
  UCR178139  Opuntia basilaris Tracy Tennant 1998-4-30 MOR- 069 Riverside San Bernardino Mtns., Morongo Indian Reservation, hills west of the mouth of Potrero Canyon, 0.2 mi. NE of hill 3030 854 Comment
  UCSB18555  Opuntia basilaris del Moral, Roger 1964-5-10 Riverside State Highway 74; 11.7 miles S of Junction with State Highway 111 914 Comment
  UCSB24418  Opuntia basilaris Olson, Terry 1966-4-6 Riverside On South Palm Canyon Dr., 1 mile south of West Palm Canyon Dr.; San Jacinto foothills 152 Comment
  CAS-BOT-BC254293  Orcuttia californica P. A. Munz; I. M. Johnston 1922-5-19 5375 Riverside Menifee Valley 426 Comment
  CLARK-A1528-78  Orcuttia californica Ruth Cooper 1941-6-8 76 K Riverside Menifee Valley Comment
  RSA286799  Orcuttia californica R. F. Thorne 1974-5-23 44665 Riverside Santa Rosa Plateau, Rancho California: Top of Mesa de Colorado, 624 Comment
  RSA357374  Orcuttia californica Christopher Davidson 1977-5-25 5640 Riverside Mesa de Burro; Santa Rosa Plateau area of Santa Ana Mountains 701 Comment
  JEPS70890  Orobanche cooperi L. R. Heckard 1973-4-24 3321 B Riverside 16.3 mi n of Desert Center (on road to Rice) 243 Comment
  UCR121232  Orobanche fasciculata Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2286 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR58949  Orobanche fasciculata Kenneth Cooper 1986-4-18 s.n. Riverside San Jacino Mtns, Oasis de los Osos Preserve of the nature conservancy, Snow Creek Canyon, at the N foot of the San Jacinto Mtns Comment
  CAS-BOT-BC355751  Osmadenia tenella Steve Boyd 1986-5-7 1837 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15 Comment
  UCR92776  Osmorhiza brachypoda D. L. Banks, Steve Boyd 1995-3-30 0113 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, west of the Dripping Springs Alcove, east of the Woodchuck Trail. 713 Comment
  UC2030130  Oxytheca caryophylloides Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38137 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Woods above James Reserve. Comment
  UCR139142  Oxytheca trilobata John F. Green 2003-6-11 s.n. Riverside San Jacinto Mtns., Juan Diego Flat, NW of Cahuilla Mountain 1220 Comment
  SEINET3930654  Paeonia californica David Keil 1983-4-15 16904 Riverside East of Temecula on SR79.; 0 Comment
  POM363738  Palafoxia arida var. arida Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA23143  Palafoxia arida var. arida I. L. Wiggins 1938-3-19 8902 Riverside 25 miles W of Blythe. Comment
  UCD166249  Palafoxia arida var. arida Jack Major 1962-4-17 782 Riverside Along the west facing wall of Whitewater Canyon, just east of San Gorgonio Pass, north of US HWYs 60 and 70, (modern Interstate 10 in this locality). (Exact location unknown. Coordinates estimated by label maker.) 670 Comment
  POM172729  Panicum urvilleanum La Niece 1930-4-1 s.n. Riverside Sandy wash of Whitewater; 15 miles NW of Indio Comment
  CAS-BOT-BC422794  Papaver californicum A. C. Sanders; P. MacKay; T. Thomas; O. Clarke 1997-5-4 20631 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
  RSA516425  Papaver californicum Walter Wisura 1990-5-2 4432 Riverside Ortega Hwy, at lower switchbacks above Lake [Elsinore] . Comment
  SEINET273060 Image available Parietaria hespera A. C. Sanders 1997-3-26 20104 Riverside Lake Skinner area;along foot trail at W base of Tucalota Hills. UTM 10km cell: MH-9E 1N. Skinner Reser. 518 Comment
  UCR1556  Parietaria hespera var. californica David L. Davis 1962-4-15 27 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, Sycamore Canyon, c. 1.5 mi south of Pennsylvania [=Martin Luther King] Ave., 0.5 mi east of Canyon Crest Drive 366 Comment
  RSA595269  Paspalum dilatatum D. L. Banks, Victor Steinmann 1996-4-20 902 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 487 Comment
  RSA264425  Paspalum notatum var. saurae C. W. Tilforth 1976-9-19 1224 Riverside 317 Swan Lake Mobile Home Park, Mira Loma; 10 miles N of Corona Comment
  UCR207309  Passiflora caerulea Darren T. Hasegawa 2007-4-21 s.n. Riverside Peninsular Range, Riverside, UCR campus, along fence of botanic garden subtropical fruit orchard 351 Comment
  POM308539  Pectis papposa Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3156 Riverside 20 miles E of Indio. Comment
  UCR264240  Pectis papposa A. C. Sanders, Jim Malusa 2015-9-10 41847 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  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
  UCD134923  Pectis papposa var. papposa Lewis S. Rose 1961-11-24 61063 Riverside La Quinta. 15 Comment
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Aug 6 2016
  CAS-BOT-BC169718  Pectocarya anisocarpa C. F. Baker 1904-4-5 4139 Riverside Hemet Comment
  RSA788561  Pectocarya heterocarpa Duncan S. Bell 2012-3-8 3143 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  UC1007206  Pectocarya heterocarpa Philip A. Munz 1940-3-23 15725 Riverside n end Pinto Basin; Mojave Desert 914 Comment
  UCR214558  Pectocarya heterocarpa A. C. Sanders 2010-3-15 37418 Riverside Sonoran (Colorado) Desert, western edge of Blythe near the airport, Black Rock Rd. near the Mesa Dr. and I-10 intersection 120 Comment
  SBBG15824  Pectocarya linearis subsp. ferocula D. E. Breedlove 1962-3-11 1900 Riverside 5.7 mi SE of US Hwy 395 on St Hwy 74; rd to Hemet 487 Comment
  UCR49252A  Pectocarya linearis var. ferocula Steve Boyd 1986-3-9 1385 A Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  POM146227  Pectocarya penicillata F. M. Reed 1925-5-23 5031 Riverside Horsethief Canyon, Temescal Mountains. Comment
  SEINET2042515 Image available Pectocarya recurvata A. C. Sanders 2001-3-20 23850 Riverside (Desert Hot Springs Quad 7.5') Coachella Valley, Garnet, N side of 19th Ave.; 0.5 mi (airline) NW of intersection of I-10 and Indian Ave. T3S R4E S15, center 235 Comment
  UCR256761  Pectocarya recurvata T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7887 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
  RSA757638  Pectocarya setosa LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4316 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
  UCR35184  Pectocarya setosa L. B. Ziegler 1968-5-21 301 Riverside San Jacinto Mtns., Hemet Valley (=Garner Valley) 1418 Comment
  UCR25157  Pelargonium X hortorum Peggy Merritt 1972-5-5 720505 Riverside Riverside, lot on NE corner of Park and 7th streets 271 Comment
  RSA770698  Pellaea andromedifolia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4802 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR84214  Pellaea andromedifolia A. C. Sanders, M. Jacobsmyer, C. L. Sanders 1995-2-5 15906 Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater Canyon, between Bonnie Bell & the fish hatchery 550 Comment
  POM8767  Pellaea andromedifolia var. andromedifolia P. A. Munz, Harwood 1920-2-28 3233 Riverside 2 mi. southeast of Corona 274 Comment
  UCR262235  Pellaea mucronata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3721 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
  RSA180255  Pellaea mucronata var. mucronata E. W. Lathrop 1959-4-17 4483 Riverside 14 miles west of Murrieta Comment
  RSA228803  Pellaea mucronata var. mucronata Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 612 Riverside Cleveland Nat. Forest. Ca. 8 mi. south of Lake Elsinore, off Forest Route 7S04. Comment
  RSA686887  Pellaea mucronata var. mucronata Norman C. Cooper 1944-5-21 1305 Riverside San Jacinto Mountains, West side 915 Comment
  POM9609  Pellaea mucronata var. mucronata I. M. Johnston 1920-5-8 s.n. Riverside Box Springs Grade, near Riverside Comment
  RSA713997  Pennisetum ciliare var. ciliare John Green, Nathan Moorhatch 2005-4-26 s.n. Riverside Sonoran (Colorado) Desert: Coachella Valley, Indio, south of Indio Blvd., between Burr St. and Ave. 42, within sight of I-10. 12 Comment
  LA105726  Pennisetum setaceum Dave Hawks; 1986-4-17 sn Riverside Whitewater River channel, 1 mi S of Hwy I-10 and 2 mi. W of Indian Ave, 259 Comment
  SEINET4178565 Image available Pennisetum villosum T. B. Salvato 2000-8-22 Riverside Pennisular Range, Riverside, Bascomb Dr at Don Goodwin St. 309 Comment
  RSA0079935  Penstemon John F. Emmel 1985-10-23 978 Riverside Coxcomb Mts.; gently sloping area 0.1-0.2 air mile WNW of peak 4416. 1280 Comment
  UCR178017  Penstemon X parishii Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 524 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  CLARK-A1045-286  Penstemon centranthifolius George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains Lake Fulmor 7.5'Q Comment
  RSA651708  Penstemon centranthifolius Diane M. Ramirez 1983-5-5 7 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Comment
  UCR173145  Penstemon centranthifolius Abby Sirulnik 2000-5-7 29 Riverside Peninsular Ranges; San Jacinto Mtns., along Mt. Edna Rd. off of Calif. Hwy 243, c. 5 mi. N of Poppet Flats 1159 Comment
  UCR110969  Penstemon clevelandii George K. Helmkamp 1998-6-27 4105 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  CAS-BOT-BC265291  Penstemon clevelandii subsp. connatus Philip A. Munz 1937-5-30 15097 Riverside N of Vandeventer Flat, Santa Rosa Mountains 1676 Comment
  RSA192105  Penstemon heterophyllus var. australis E. W. Lathrop 1965-5-30 5776 Riverside 6 miles W of Murrieta. Comment
  RSA733  Penstemon heterophyllus var. australis J. T. Howell 1928-7-9 1070 Riverside Head of San Juan Canyon. Elsinore Mountains 793 Comment
  RSA221075  Penstemon spectabilis E. W. Lathrop 1966-5-8 6401 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  JEPS21328  Pentachaeta aurea W. L. Jepson 1903-8-5 2259 Riverside Strawberry Valley San Jacinto Mt. 1676 Comment
  POM351576  Pentachaeta aurea Elbert Benjamine 1929-5-18 224 Riverside Mt. San Jacinto. Comment
  UCR262255  Pentachaeta aurea T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3731 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
  HSC1081  Pentagramma triangularis W. R. Supernaugh, Jr. 1964-12-24 25 Riverside Joshua Tree Nat'l Monument, 0.25 mi. E of Ryan Campground 1311 Comment
  RSA0066309  Pentagramma triangularis P. A. Munz 1922-4-29 5116 a Riverside 5 miles west of Aguanga. Comment
  RSA0070725  Pentagramma triangularis Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 615 Riverside Cleveland National Forest. Ca. 8 mi. south of Lake Elsinore, off Forest Route 7S04. Comment
  CAS-BOT-BC71580  Pentagramma triangularis subsp. maxonii Ivan Johnston 1917-4-4 1045 Riverside Palm Canyon 274 Comment
  UC399570  Pentagramma triangularis subsp. triangularis Fred M. Reed 1908-2-23 2242 Riverside n of Wilder's Canyon; Jurupa Hills Comment
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Jul 30 2006
  UCSB41255  Pentagramma triangularis subsp. triangularis 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
  HSC29904  Perityle emoryi Richard Spjut 1972-2-1 2169 Riverside Colorado Desert: N base of Chuckawalla Mtns., ca. 3 mi. S of Desert Center 305 Comment
  RSA599948  Perityle emoryi L. C. Wheeler 1959-12-27 7650 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  RSA778232  Perityle emoryi Duncan S. Bell 2009-3-8 37 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  SEINET3127005 Image available Perityle emoryi A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37477 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak (McCoy Peak 7.5' Q) 204 Comment
  SJSU11661  Perityle emoryi R. C. McGehee 1970-3-5 132 Riverside Corn Springs, Chuckwalla Mts 18 mi SE of Desert Center Comment
  UC485143  Perityle emoryi F. M. Reed 1917-5-19 3854 Riverside Colorado Desert , Palm Canyon Comment
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Aug 14 2010
  UC69032  Perityle emoryi H. M. Hall 1905-1 5777 Riverside 10 mi w Coachella; Colorado Desert 91 Comment
  UCR103584  Perityle emoryi George K. Helmkamp, E. A. Helmkamp 1998-2-18 2717 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR104801  Perityle emoryi George K. Helmkamp 1998-2-5 2648 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 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
  SEINET7883493 Image available Perityle emoryi Lewis S. Rose 1938-12-22 38337 Riverside San Jacinto Mountains 2000 Comment
  SBBG81107  Persicaria lapathifolia S. Cantrell, W. Appleby 1985-9-19 Riverside Santa Ana River Regional Park, S side of river 207 Comment
  RSA45532  Petalonyx linearis J. C. Roos, L. Roos 1949-4-6 4143 Riverside SE foot of Orocopia Mts, 2.5 miles NE of Dos Palmos Springs Comment
  CAS-BOT-BC167771  Petalonyx thurberi Roxana S. Ferris 1918-6-14 971 Riverside Between Palm Springs & Indio Comment
  SEINET269258  Petalonyx thurberi M. A. Patten, S. J. Myers 1993-8-20 Riverside Along Tahquitz Creek and in neighboring creosote scrub behind the debris basin dam in Palm Springs. 183 Comment
  UCR72192  Petalonyx thurberi Theo Glenn 1991-5-2 91- 127 Riverside Sonoran (Colorado) Desert, Arica Mtns., SW of Rice 340 Comment
  SBBG4891  Petalonyx thurberi subsp. thurberi H. and M. Dearing 1940-6-7 4322 Riverside 7 mi N of Palm Springs Comment
  CAS-BOT-BC326764  Peucephyllum schottii Carl B. Wolf 1932-4-26 2980 Riverside On Blythe Road 8 miles east of Mecca, Colorado Desert 91 Comment
  RSA0126546  Peucephyllum schottii Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8760 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Martinez Slide to the north of Toro Canyon, approximately 4.75 air miles northeast of the summit of Martinez Mountain. 152 Comment
  RSA747718  Peucephyllum schottii Justin M. Wood 2009-3-26 399 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  UC68951  Peucephyllum schottii Joseph Burtt Davy 1902-3-25 7934 Riverside Indio Comment
  SEINET10801063  Peucephyllum schottii David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-13 Dunn 3700 Riverside Pushawalla; growing in the wash. Indio Hills, Colorado Desert. Comment
  SEINET3005069  Phacelia ambigua G. Rink 2011-5-1 10507 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring. 505 Comment
  RSA0043369  Phacelia ambigua var. ambigua Marc A. Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17711 Riverside Palo Verde Mesa, 14 km SW of Blythe, 5 km ENE of north end of the Mule Mountains. Comment
  UC672427  Phacelia campanularia subsp. campanularia Herbert L. Mason 1928-3-10 4183 Riverside Snow Creek Colorado Desert, Whitewater River Valley Comment
  POM13320  Phacelia campanularia subsp. vasiformis E. C. Jaeger 1921-4-18 1084 Riverside Cottonwood Springs, colorado Desert. Comment
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Oct 9 2010
  RSA0028788  Phacelia campanularia subsp. vasiformis N. C. Cooper 1944-3-25 995 Riverside Morongo Pass. 457 Comment
  CHSC111045  Phacelia cicutaria var. hispida L. M. Prince; Duncan S. Bell 2009-6-17 580 Riverside Cleveland National Forest. Comment
  UCR135854  Phacelia cicutaria var. hispida A. C. Sanders 2004-4-20 27575 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR228253  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37669 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, N of Temescal Canyon Rd. and NW of Concordia Ranch Rd., NW of horse racing track 375 Comment
  UCR228836  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato 2011-4-27 39335 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  SBBG25049  Phacelia crenulata D. Myrick 1966-4-1 1316 Riverside Desert Hot Springs, adjoining Linda Vista Lodge Comment
  UC672401  Phacelia crenulata var. ambigua Herbert L. Mason 1928-3-11 4237 Riverside near Indio; Colorado Desert Comment
  UCR245953  Phacelia crenulata var. minutiflora Duncan S. Bell 2009-3-7 18 Riverside Arica Mountains, ridgeline of range just north of the summit along the border of the Palen/McCoy Wilderness Area 614 Comment
  JOTR34035  Phacelia distans La Doux, Tasha, M. Harding 2010-4-7 2919 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
  RSA314615  Phacelia distans Robert F. Thorne, Mrs. Raymond Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55483 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA339326  Phacelia distans Robert F. Thorne, W. A. Tilforth 1980-5-28 54201 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  RSA346643  Phacelia distans Barry Burnell 1970-3-24 162 Riverside 2 miles up Tramway Road off Hwy 111 Chino Canyon, San Jacinto Mts. 457 Comment
  RSA747799  Phacelia distans Scott D. White, Justin M. Wood 2009-3-24 12576 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  RSA763659  Phacelia distans Doris Bowers 1972-4-15 1828 Riverside Pulgas Creek Canyon at Rancho Calif. 396 Comment
  SD255771  Phacelia distans Mitch Provance 2012-5-24 512 26 Riverside San Bernardino Mountains; Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Ave., and Wilson St. 868 Comment
  JEPS21174  Phacelia fremontii H. S. Yates 1937-3-24 6474 Riverside near mouth of Deep Canyon; Thermal Quadrangle 304 Comment
  JOTR16715  Phacelia fremontii Wanrow, E. 1968-5-6 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  RSA773591  Phacelia imbricata Duncan S. Bell, Joy England 2010-6-14 1303 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
  RSA588176  Phacelia imbricata subsp. patula D. L. Banks, V. W. Steinmann 1995-7-10 742 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. 561 Comment
  RSA770852  Phacelia minor Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4936 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
  POM97121  Phacelia minor P. A. Munz 1925-5-20 9820 Riverside 2 miles W of Dripping Spring. 427 Comment
  SEINET10780736 Image available Phacelia minor George Yatskievych, Eckhard Wollenweber 1990-5-2 Yatskievych 90 -49 Riverside State Highway 74, ca. 2 mi E. of Clevland National Forest boundry, overlooking Lake Elsinore. Burned over slope in oak woodlands, in sandy soil. 762 Comment
  POM8639  Phacelia neglecta P. A. Munz, R. D. Harwood 1920-4-3 3562 Riverside Ford's Well west of Blythe. 305 Comment
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Dec 13 2016
  JEPS1349  Phacelia ramosissima var. latifolia W. L. Jepson 1903-8-5 2269 Riverside near meadow on side hill near Strawberry Valley; San Jacinto Mt. 1737 Comment
  CLARK-A1528-4797  Phalaris lemmonii John C. Roos 1966-3-24 Riverside Winchester Comment
  UCR199941  Phalaris minor Scott D. White, Justin Wood 2008-5-13 11955 Riverside Perris Basin, I-215 freeway south of San Jacinto River crossing 431 Comment
  UCR281282  Phalaris minor Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 17 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  UCR174430  Phalaris paradoxa A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32478 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
  SEINET3091377 Image available Pholistoma auritum J. Hirshberg 1989-3-15 Riverside Santa Rosa Plateau, S of town of Murrieta; SW of Mesa de Burro. 579 Comment
  UCR281528  Pholistoma auritum Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 91 Riverside Temescal Valley, S of the 15 Fwy., 0.3 miles W of Hostettler Rd. 384 Comment
  LA105150  Phoradendron californicum Dennis Kucera; 1987-11-14 sn Riverside Morongo Indian Reservation, Malki Museum garden, E of Banning off Fields Road 609 Comment
  POM14077  Phoradendron californicum Philip A. Munz, D. D. Keck 1922-4-14 4992 Riverside Indian Wells 107 Comment
  UC217921  Phoradendron californicum P. A. Munz and D. Keck 1922-4-14 4992 Riverside Colorado Desert, Indian Wells 106 Comment
  UCR139382  Phoradendron californicum I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Palm Canyon 427 Comment
  UCR48550  Phoradendron californicum J. Glazner 1985-3-25 s.n. Riverside Sonoran (Colorado) Desert, Morongo Canyon, 5 mi. NW of Desert Hot Springs and just west of the Hwy 62-Indian Ave. junction 610 Comment
  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
  SEINET2097189  Phragmites australis R. Harms 2003-4-1 Riverside San Andreas Oasis, Dos Palmas Reserve; -15 Comment
  RSA423823  Physalis crassifolia Ora M. Clark 1929-2-23 1569 Riverside N. Whitewater. Comment
  RSA663919  Physalis crassifolia C. R. Annable 1995-3-15 2285 Riverside 2.7km SW of Valerie on road to Martinez Canyon. Comment
  UCR178510  Physalis crassifolia R. G. Swinney 1967-2-12 0023 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  SEINET10964652  Physalis crassifolia David B. Dunn 1946-2-22 Dunn 1955 Riverside Collected in mud flats dry caked and split. All american canal catch basin from Desert washes. Oracopia mts. Ne of the saltan sea. Very arid country. Comment
  SBBG83305  Phytolacca americana D. Domenigoni 1986-4-21 Riverside Young property, Hemet Comment
  NY1104466  Pinus flexilis M. Denslow 2003-7-15 1448 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA384332  Pinus flexilis George R. Johnstone 1928-9-8 s.n. Riverside Mt. San Jacinto, Calif. Wind swept timber. 3288 Comment
  UC1612270  Pinus flexilis O. P. Medsger 1901-7-30 Riverside San Jacinto Mt. 3200 Comment
  UC729934  Pinus flexilis Carl B. Wolf 1932-8-5 3982 Riverside summit of San Jacinto Peak San Jacinto Mountains, San Jacinto Peak 3293 Comment
  NY61584  Pinus jeffreyi R. T. Clausen 1963-4-24 63065 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CLARK-A1528-3562  Pinus quadrifolia John C. Roos 1965-8-18 Riverside San Jacinto Mountains Comment
  JEPS46788  Pinus quadrifolia W. L. Jepson and Hall 1901-1 Riverside Base of El Toro Comment
  RSA282903  Pinus quadrifolia C. W. Tilforth, J. Dourley 1980-7-15 2082 Riverside South leg of Thomas Mountain Road, south of Lake Hemet, west of Hiway 74. Comment
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Mar 28 2014
  UCD68448  Pinus quadrifolia Stephen K. Langer 1995-4-8 s.n. Riverside Highway 371, approximately 0.5 miles from junction with Highway 74, Santa Rosa Mountains. 1463 Comment
  UCSB145  Pinus quadrifolia Sager, Ginny 1960-5-15 Riverside 0.2 miles from Highway 74 on road to Anza Comment
  RSA334993  Piptatherum miliaceum Steve Boyd 1985-7-23 1018 Riverside De Luz Road, 8.0 miles west of Rancho California. Side canyon of Sandia Creek. 305 Comment
  UCR100162  Pityrogramma triangularis Scott D. White 1992-12-16 983 Riverside Vail Lake area, c. 9 air mi east of Aguanga (junction of Hwys 371 & 79) & 3 air mi north of Beauty Mtn Peak. 1372 Comment
  UCR41373  Pityrogramma triangularis var. triangularis N. M. Fellows 1985-1-5 55 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn., 1 mi west of Snow Creek Village 506 Comment
  UCR107398  Plagiobothrys canescens B. G. Pitzer 1997-3-23 2981 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
  UCR49259  Plagiobothrys canescens Steve Boyd 1986-4-2 1627 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA614631  Plagiobothrys nothofulvus D. L. Banks 1997-3-29 1565 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
  UCR22098  Plagiobothrys tenellus Steve Boyd 1980-5-2 155 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  VVC2184  Plagiobothrys undulatus Tim Thomas, Bill Baker 1983-6-30 579 C Riverside Santa Rosa Plateau, Burro Mesa 630 Comment
  RSA336209  Plantago bigelovii subsp. californica Robert F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51985 Riverside Santa Rosa Plateau, Mesa de Colorado, vernal pools and marshes. 610 Comment
  RSA388501  Plantago erecta Steve Boyd 1986-5-1 1815 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. 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
  UCR103575  Plantago ovata George K. Helmkamp 1998-1-17 2527 Riverside Coachella Valley, Bob Hope Drive, 0.9 mi south of Hwy I-10 43 Comment
  RSA703373  Plantago ovata var. fastigiata LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1439 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA682163  Plantago patagonica Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10500 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
  CAS-BOT-BC91877  Platystemon californicus Munz; Harwood 1920-3-20 3395 Riverside 5 miles south of Carona. 304 Comment
  RSA445698  Platystemon californicus Jeannette B. Edge 1934-3-18 18853 Riverside [San] Timoteo Canyon. 518 Comment
  UCR25367  Platystemon californicus John C. Roos 1952-4-13 5532 Riverside N side of the Box Springs Mountains 457 Comment
  UCR280617  Platystemon californicus Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 05 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  RSA613861  Platystemon californicus B. Pitzer 1997-4-11 3114 Riverside Lakeview Mtns Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. Approx. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM Nelson) 610 Comment
  JEPS16685  Pleurocoronis pluriseta Rimo Bacigalupi with R. S. Ferris and R. W. Holm 1953-4-20 4044 Riverside 3 mi n Shavers Summit (close to head of Lost Palms Canyon); Joshua Tree National Monument 762 Comment
  JEPS18552  Pleurocoronis pluriseta John Thomas Howell 1928-1-29 3299 Riverside Painted Canyon Colorado Desert Comment
  RSA779687  Pleurocoronis pluriseta Duncan S. Bell 2010-4-2 698 Riverside Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness., Collecting on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it. 595 Comment
  SD44844  Pleurocoronis pluriseta Darley F. Howe 1952-4-28 2196 Riverside Chuckwalla Mountains. Comment
  RSA0039847  Pluchea sericea Joseph Brehm 2014-7-21 s.n. Riverside Collected at Dos Palmas ACEC in Upper San Andreas Oasis, 1 mile south of oasis. Comment
  UC829258  Pluchea sericea Fred A. Barkley and Merton J. Reed 1939-5-20 4213 Riverside 4 mi e Blythe (roadside) Comment
  UCR111600  Pluchea sericea Mitch Provance 1998-4-8 1775 Riverside City of Riverside, Arroyo Tequesquite, NE side of proposed 'Andulka Park' just west of the corner of Chicago and Central Avs. 305 Comment
  UCR75044  Pluchea sericea A. C. Sanders, E. J. Lawlor 1992-4-4 12158 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA586922  Poa annua D. L. Banks, Steve Boyd 1995-5-3 257 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA567198  Poa bigelovii F. M. Reed 1920-3-24 9187 Riverside Murray Canyon 213 Comment
  RSA563884  Poa howellii A. C. Sanders 1993-4-30 13883 Riverside San Bernardino Mtns: Between Cherry Valley and the county line, along Butterfly Road, which joins Wildwood Canyon Road 0.4 miles W of Oak Glen Road., (116 deg 59'W, 34 deg 00'N) 1100 Comment
  SD232153  Poa pratensis Scott D. White, Justin M. Wood 2008-6-18 12239 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  UCR162265  Poa secunda S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR2687  Poa secunda F. M. Reed 1905-2-26 671 Riverside Riverside, Arroyo Tequesquite, 1/8 mile east of the Victoria Clubhouse, bank of Arroyo Tequesquite 274 Comment
  RSA0031209  Poa secunda Jim Andre 2006-4-6 7749 Riverside Joshua Tree National Park: approx 50 m N. of Keys View Parking area. 1553 Comment
  HSC65767  Poa secunda subsp. secunda E. W. Lathrop 1965-4-4 5635 Riverside 8 miles west of Murrieta. Comment
  RSA586488A  Poa secunda var. secunda D. L. Banks, Steve Boyd 1995-5-9 345 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area;, W of Woodchuck Campground. 732 Comment
  POM268107  Polygala acanthoclada A. M. Alexander, Kellogg 1941-5-9 2139 Riverside Eagle Mountains: 1.5 miles N of Cottonwood Spring 976 Comment
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Oct 9 2010
  RSA740076  Polygonum arenastrum Scott D. White, Justin M. Wood 2008-6-16 12139 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  UCR160892  Polygonum fagopyrum T. B. Salvato 2002-10-16 106 Riverside Upper Santa Ana River Basin/San Bernardino Valley, Riverside, residence at 1009 Bascomb Drive 305 Comment
  UCR47635  Polygonum persicaria Dave Thomason 1987-7-7 s.n. Riverside Sonoran (Colorado) Desert, Lake Cahuilla, Coachella Valley 15 Comment
  RSA757444  Polypogon monspeliensis R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55221 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  CAS-BOT-BC102583  Populus fremontii Carl B. Wolf 1932-4-28 3084 Riverside Colorado Desert, along the Colorado River near the Blythe Bridge 91 Comment
  SEINET8725387 Image available Populus fremontii William B. Fox 1952-1 5727 Riverside Canyon of San Jacinto River, east of Hemet. Comment
  JOTR31986  Porophyllum gracile La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2220 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; small bowl with underground water seep at top of bouldery canyon 815 Comment
  UC1424872  Porophyllum gracile Robert F. Thorne and R. Carolin 1967-3-21 41644 Riverside Cottonwood Springs Joshua Tree Natonial Monument Comment
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Oct 9 2010
  RSA234098  Potamogeton foliosus Robert F. Thorne, E. W. Lathrop 1969-6-6 39343 Riverside Santa Rosa Plateau: Rancho California 610 Comment
  UCR201672  Potentilla gracilis var. fastigiata Scott D. White, Justin M. Wood 2008-6-19 12280 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  UCR17639  Proboscidea althaeifolia Hap Ritter, Paul Mack 1976-10-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, sand dunes southeast of Hopkins Well and west of Wiley's Well Road 152 Comment
  SEINET10929258  Proboscidea althaeifolia Robert L. Dressler 1951-11-22 Dressler 1194 Riverside 15 mi, W of Blythe. Sandy soil with scattered Larrea. Comment
  UCR92705  Proboscidea parviflora var. hohokamiana A. C. Sanders, S. Hawkins 1996-4-24 18084 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  CAS-BOT-BC206988  Prosopis glandulosa var. torreyana Mrs. E. C. Van Dyke 1928-1-1 s.n. Riverside Coachella Comment
  RSA784720  Prosopis glandulosa var. torreyana Duncan S. Bell 2012-3-18 3207 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  LA47425  Prosopis pubescens W. B. Welch; 1928-5-5 3454 Riverside Painted Canyon Comment
  RSA1019  Prosopis pubescens J. T. Howell 1927-8-1 524 Riverside Mission Creek, Colorado Desert. 610 Comment
  SD80104  Prunus fasciculata Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 386 Riverside South of Highway 74 between Sugar Loaf CafA^ and entry gate to service road. 1219 Comment
  UCR120856  Prunus fasciculata Bern Schwenn 1998-4-11 s.n. Riverside San Bernardino Mountains, Mission Creek, along Pacific Crest Trail and slope on E side of canyon. 823 Comment
  LA208168  Prunus virginiana var. demissa C. Epling; William Robison 1935-6-30 Riverside N fork San Jacinto River Comment
  SEINET3388635 Image available Psathyrotes ramosissima Lewis S. Rose 1938-12-19 38326 Riverside 6 mi. s. of Cathedral City. 46 Comment
  SD234306  Pseudognaphalium beneolens R. E. Riefner Jr. 2006-9-14 06 432 Riverside Peninsular Range: Temecula, Temecula Valley, Hwy 79 at Old Town Front Rd. 305 Comment
  CAS-BOT-BC356596  Pseudognaphalium biolettii Nancy Ryan Zabriskie 1973-4-6 624 Riverside Along trail ca 25' N of stream, ca 30 yds downstream from Big Pool. Andreas Canyon, E slope San Jacinto Mtns. (Site A-1) 335 Comment
  UCR280993  Pseudognaphalium leucocephalum Mitch Provance 2017-5-25 517- 65 Riverside Temescal Valley, 0.3 to 0.5 miles SE of Indian Truck Trail, between Temescal Canyon Rd. and Hwy. 15 361 Comment
  UCR281885  Pseudognaphalium leucocephalum R. E. Riefner Jr. 2017-8-26 17- 441 Riverside Murrieta Valley, city of Murrieta, Miller Canyon area, wash located vicinity to New Clay Street and Ivy Street 334 Comment
  UCR167791  Pseudognaphalium luteoalbum T. B. Salvato, Gregg Miller 2005-6-3 1384 Riverside Peninsular Range: Perris-Aguanga Basin, tributary of the San Jacinto River, c. 3 mi SW of Perris, 1.5 mi east of the Good Hope Mine and less than 0.25 mi south of Ethanac Road 433 Comment
  JEPS34075  Pseudognaphalium stramineum Carl V. Meyer 1928-7-30 Riverside Saunders Meadow San Jacinto Mts., Saunders Meadow Comment
  UCR121824  Pseudognaphalium stramineum A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24599 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  UCR178153  Pseudotsuga macrocarpa Tracy Tennant 1998-3-10 MOR- 1110 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, low hills on the south side of Wood Canyon near its mouth, tree stand W-5 1280 Comment
  RSA85082  Psilocarphus brevissimus J. C. Roos 1952-4-30 5601 Riverside Edgemont, near Box Springs 488 Comment
  RSA593908  Psilocarphus brevissimus var. brevissimus Steve Boyd, David E. Bramlet 1996-4-19 8600 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
  JEPS35436  Psilostrophe cooperi W. L. Jepson 1928-4-25 12581 Riverside Cottonwood Springs Colorado Mts., Eagle Mts. 731 Comment
  CDA37520  Psilotum nudum A. C. Sanders, Robert Krueger, T. B. Salvato 2006-11-8 33211 Riverside Riverside: UCR Citrus Variety Collection, Agricultural Operations area west of Canyon Crest Dr. Comment
  CAS-BOT-BC346358  Psorothamnus Marcus E. Jones 1903-5-8 s.n. Riverside Indio -7 Comment
  UCR38699  Psorothamnus arborescens var. simplicifolius J. M. Stewart 1985-4-28 8515 Riverside Western Colorado Desert, Coachella Valley, along the north side of Hwy I-10, 1 mi west of Indian Ave. 244 Comment
  CAS-BOT-BC353616  Psorothamnus emoryi L. R. Abrams 1926-3-26 11098 Riverside Between Edom and Garnet east of San Gorgonio Pass Comment
  CAS-BOT-BC353630  Psorothamnus emoryi Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  OBI13263  Psorothamnus emoryi Louis C. Wheeler 1931-11-26 392 Riverside 2 mi SE Salton Bench Mark, Colorado Desert 67 Comment
  POM8994  Psorothamnus emoryi Mary F. Spencer 1918-4-27 767 Riverside In desert sand, Palm Springs, Colorado Desert Comment
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Jul 24 2010
  UCR214715  Psorothamnus emoryi A. C. Sanders 2010-3-23 37546 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  CAS-BOT-BC340904  Psorothamnus schottii Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9007 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
  RSA498705  Psorothamnus schottii H. de Forest 1933-4-17 s.n. Riverside Chino Canyon, Colorado Desert. Comment
  SBBG27794  Psorothamnus schottii D. Myrick 1964-4-30 814 Riverside Pines to Palms Hwy 74, 5 mi W of Palm Desert 304 Comment
  UCR268638  Psorothamnus schottii Jim Andre 2012-4-11 20847 Riverside Mojave Desert, Orocopia Mountains, north end of range, along dirt road 2.8 mi due south of Hwy I-10 at Box Canyon Road/Cottonwood Road exit 624 Comment
  UCR274324  Psorothamnus schottii Jennifer H. Jones, Scott D. White 2005-4-21 71 Riverside Sonoran Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just E of Coachella Canal 24 Comment
  JOTR32399  Psorothamnus spinosus Harding, Mitzi, A. Benton 2011-7-13 16 Riverside Joshua Tree National Park. Pinto Basin; Smoke Tree Wash; sandy, open flat along Pinto Basin road, just north of Smoke Tree Wash 809 Comment
  POM46978  Pterospora andromedea Mary F. Spencer 1919-6-25 1223 Riverside San Jacinto Mt. 1677 Comment
  UC876176  Pterospora andromedea Mary F. Spencer 1923-7-30 2270 Riverside Idyllwild San Jacinto Mt. (Banning Rd) 1524 Comment
  CAS-BOT-BC421263  Pterostegia drymarioides H. M. Hall 1901-6-1 2080 Riverside San Jacinto Mountains. South slopes in the vicinity of Chalk Hill 1402 Comment
  JOTR31902  Pterostegia drymarioides La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2150 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash Comment
  RSA552699  Pterostegia drymarioides Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-2-26 6707 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  RSA601933  Pterostegia drymarioides W. B. Welch 1928-5-5 s.n. Riverside Idyllwild, San Jacinto Mts. Comment
  UC850460  Pterostegia drymarioides C. L. Hitchcock 1940-4-1 5909 Riverside 1 mi. below Cottonwood Spring; Joshua Tree Nat'l Monument Comment
  RSA444457  Pulicaria hispanica J. C. Roos 1965-6-23 s.n. Riverside Palm Springs. Comment
  CAS-BOT-BC466112  Pyrola picta Edmund C. Jaeger 1921-7-13 91 Riverside Stone Creek, San Jacinto Mts. 1706 Comment
  CAS-BOT-BC516759  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands: W of Beaumont, just E of jct of 60 Fwy and Jackrabbit Trail, off frontage road deadend 716 Comment
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Jan 17 2018
  RSA0062946  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands: west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end. 716 Comment
  UCR273966  Quercus Mitch Provance 2012-4-27 412- 34 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  RSA751629  Quercus X acutidens G. Gust, L. Nye 2005-3-11 541 Riverside Lake Elsinore City Limits. Hwy 74 ca. 1-2 miles W of lake Elsinore on hill slope pullout. 481 Comment
  UCD47725  Quercus X acutidens K. R. Montgomery 1969-8-6 69 16 Riverside Wilson Valley Road, 18 miles south of Hemet, Riverside County, California. 1219 Comment
  UC5588  Quercus X morehus H. M. Hall Aug 1901 2643 Riverside vicinity Chalk Hill; San Jacinto Mts. 1402 Comment
  UCR169495  Quercus X morehus Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 12- 85 Riverside San Jacinto Mtns, San Bernardino National Forest, 10 miles north of Idyllwild on Hwy 243 near Lake Fulmor, Site L12 1637 Comment
  CAS-BOT-BC61822  Quercus agrifolia Samuel B. Parish 1891-11-4 2276 Riverside Rocky Hills, head of Temecula Canon Comment
  SD193294  Quercus agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31559 Riverside Valley Hi County Park off Highway 243 and Twin Pines road at McMullen Flat. 1189 Comment
  RSA0028782  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 5 -581 Riverside San Jacinto Mountains, San Bernardino National Forest, 2.3 mi W of Santa Rosa Mountain Rd. on SR 74 at Vandeventer Flat. 1430 Comment
  RSA479914  Quercus berberidifolia Steve Boyd 1987-11-23 2098 Riverside Mt. Russell, N of Lake Perris, Moreno Valley. 762 Comment
  CAS-BOT-BC518706  Quercus berberidifolia Mitch Provance; Jeremiah George 2012-8-4 812 -32 Riverside Western part of county: Badlands S of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero 752 Comment
  SBBG58063  Quercus chrysolepis J. E. Butner 1948-10-3 654 Riverside trail from Idyllwild to San Jacinto Pk 2133 Comment
  UCR100826  Quercus chrysolepis A. C. Sanders, T. Tennant 1997-11-14 21606 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon 976 Comment
  UCR241640  Quercus chrysolepis T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 366 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  CAS-BOT-BC62442  Quercus cornelius-mulleri Annie M. Alexander; Louise Kellogg 1941-5-26 2243 Riverside Eagle Mountains, Monsen Canyon 914 Comment
  UC1010216  Quercus cornelius-mulleri John C. Roos 1947-12-13 3765 Riverside Lost Palms Wash Colorado Desert, Eagle Mts. 762 Comment
  CAS-BOT-BC257778  Quercus dumosa P. S. Manos 1988-10-27 668 Riverside Gavilan Rd., in Wildlife Preserve 600 Comment
  CLARK-A1528-531  Quercus dumosa var. turbinella C. M. Flanagan 1973-5-20 534 Riverside Morongo Indian Reservation 1158 Comment
  SD255762  Quercus engelmannii Cecile Shohet 2015-6-24 Riverside Beaumont, NW of Plantation on the Lake mobile home park, south of I-10, east of Cherry Valley Blvd., west of Plantation Dr. under powerlines. 728 Comment
  JOTR31147  Quercus john-tuckeri La Doux, Tasha 2009-6-3 1857 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  POM11520  Quercus kelloggii P. A. Munz 1922-7-2 5943 Riverside Santa Rosa. 1982 Comment
  RSA663307  Quercus lobata Mitch Provance 1998-6-24 749 Riverside Jurupa Mountains: Glen Avon Heights, area N of the end of Lindsay St. 253 Comment
  RSA334886  Quercus palmeri A. C. Sanders, Steve D. Boyd 1980-4-17 1345 Riverside Along the Palms to Pines highway (Hwy 74), 0.2 miles west of its jct with the road to Anza (Hwy 371) 1463 Comment
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Sep 10 2011
  RSA263739  Quercus wislizeni var. frutescens E. W. Lathrop 1968-5-22 6904 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  CAS-BOT-BC362519  Rafinesquia californica John Thomas Howell 1931-5-30 6592 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  RSA192183  Rafinesquia californica E. W. Lathrop 1966-5-1 6218 Riverside 2 miles west of Murrieta Comment
  UCR174365  Rafinesquia californica A. C. Sanders 2006-5-19 32410 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
  CAS-BOT-BC362630  Rafinesquia neomexicana Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  JOTR34394  Rafinesquia neomexicana Andre, Jim 2012-4-16 20925 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  POM13856  Ranunculus aquatilis var. capillaceus P. A. Munz 1922-4-28 5022 Riverside 5 miles NW of Corona 213 Comment
  RSA286793  Ranunculus aquatilis var. capillaceus Robert F. Thorne 1974-5-23 44679 Riverside Santa Rosa Plateau, Rancho California; grassland area E of Redonda Mesa 610 Comment
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Apr 27 2011
  POM98006  Ranunculus californicus E. C. Jaeger 1926-3-29 s.n. Riverside Thomas Valley, San Jacinto Mts 1524 Comment
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Mar 16 2013
  RSA0036812  Raphanus sativus Robert MacGregor 1984-5-19 5 Riverside Lake Elsinore, CA Hwy 74, 1 mi W of junction with 15E Freeway, N side of road. Comment
  SDSU1243  Raphanus sativus D. Hunsaker 1962-4-10 Riverside Three miles SSW from Temecula. Comment
  RSA484732  Rhamnus ilicifolia A. C. Sanders, E. J. Lawlor 1988-10-22 8735 Riverside Pinyon Flats area Santa Rosa Mountains, along the trail about 1/2 mi. W of the Dolomite Mine. 1200 Comment
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Sep 10 2011
  RSA503418  Rhamnus ilicifolia J. D. Olmsted 1962-5-10 3627 Riverside Coldwater Canyon, Corona city water supply. 396 Comment
  SDSU10368  Rhamnus ilicifolia Graham A. Cribbs 1962-7-28 118 Riverside Taken at the 2000' sign 0.5 mile from the Cranston Ranger Station on Hwy 74 just north of Hemet. 610 Comment
  UCR133434  Rhamnus ilicifolia Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 449 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  RSA731532  Rhamnus pilosa R. E. Riefner 2007-9-6 7 -376 Riverside W of Rainbow Canyon ca. 2 mi E of I-15 SW of Pechanga Indian Reservation 668 Comment
  RSA761271  Rhododendron occidentale Shawn Krosnick, Naomi Fraga, Lucinda A. McDade 2010-8-14 761 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CAS-BOT-BC167965  Rhus ovata H. S. Gentry 1954-7-25 14245 Riverside NW. of Aguanga along road to Sage Comment
  HSC47413  Rhus ovata R. W. Spjut, C. E. Edson 1978-5-5 5019 Riverside W margins of Colorado Desert, along Hwy. 74, W of Palm Desert in the San Jacinto Mtns. Comment
  RSA162815  Ribes californicum var. hesperium J. D. Olmsted 1959-2-28 s.n. Riverside Turn S on Lincoln in W Corona, after 3 miles turn W on Chase Dr, then S on Oak Flat fire road for 4 miles past Olive trees. Santa Ana Mts. 793 Comment
  UC69861  Ribes cereum H. M. Hall May 17 1901-Jun 1 1901 1914 Riverside Santa Rosa Peak Comment
  POM48312  Ribes indecorum E. C. Jaeger 1925-3-1 1 Riverside Snow Canyon, . San Jacinto Mts. Comment
  SD186332  Ribes indecorum A. C. Sanders 2004-4-20 27555 Riverside Santa Ana Mountains: Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line (Fallbrook 7.5'Q) 640 Comment
  UCR277935  Ribes indecorum Mitch Provance 2012-1-26 112- 04 Riverside Badlands of Western Riverside County, San Timoteo Canyon, El Casco area, 0.3 miles S of Fisherman's Retreat 695 Comment
  UCR77722  Ribes indecorum Steve Boyd 1991-3-17 5486 Riverside Jurupa Hills, north of Glen Avon. S flank, just west of Soto St to summit east of Pyrite Cyn. Comment
  UCR97287  Ribes indecorum Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3942 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of the lake, Saddle between summits, N slope along road heading N to Black Hills 793 Comment
  SEINET9754141 Image available Ribes nevadense Sharon J. McCormick 1976-5-16 Riverside James Reserve, Yellow Pine Forest Comment
  RSA50328  Ribes roezlii E. K. Balls 1949-5-4 1348 Riverside 0.5 mile south of Vista Grande Ranger Station, San Jacinto Mts. 1494 Comment
  UCR37459  Romneya coulteri Steve Boyd 1981-4-29 s.n. Riverside Arroyo del Toro Comment
  CSUSB1435  Rorippa nasturtium-aquaticum R. L. Irwin 1962-4-21 0033 Riverside By Dam at north west end of Lake Evans 243 Comment
  UCR199744  Rubus discolor Scott D. White, Justin Wood 2008-5-29 12042 Riverside Beaumont Badlands, West of Beaumont, near SR-60 crossing over San Timoteo Creek 671 Comment
  UCR268070  Rumex D. E. Bramlet 2005-4-22 3824 Riverside Perris-Aguanga Basin Region, 1.8 km SE of Winchester, south of Patton Ave. and Patterson Ave. intersection, east of Hwy 79 449 Comment
  RSA466038  Rumex acetosella M. B. Dunkle 1933-7-20 3700 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UC6936  Rumex conglomeratus Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  JOTR32381  Rumex crispus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2489 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  SEINET3087570 Image available Rumex crispus J. Freeman 1988-5-29 Riverside Santa Ana River 0.25 mi E. of Hamner Ave. on N. side 274 Comment
  UCR133648  Rumex crispus Michael D. Wilcox 2003-5-13 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  RSA561070  Rumex crispus Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-12 7343 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  UCR91544  Rumex dentatus Chet McGaugh 1996-4-26 s.n. Riverside San Jacinto Valley, Hemet, 0.25 mi west of State St., between Esplanade and Cottowood 465 Comment
  UC1178625  Rumex salicifolius var. salicifolius Peter Kamb 1948-7-3 1139 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  SD137810  Sagina decumbens subsp. occidentalis Darin L. Banks, Steve Boyd 1995-5-3 253 Riverside Agua Tibia Mountains Watershed; Cleveland National Forest, Agua Tibia Wilderness Area, east of the Dripping Springs Alcove Area. 509 Comment
  SD146118  Sagittaria latifolia A. C. Sanders, Mitch Provande, T. B. Salvato 2000-10-5 23720 Riverside Santa Ana River Valley: Hidden Valley Wildlife Area, ca I(c) mile west of park office, near Riverside between La Sierra and Norco 191 Comment
  SDSU7073  Salazaria mexicana Gerald Collier 1951-5-27 M 440 Riverside Rocky slope 10 yards from roadside State Hwy 74, 4 miles east of Pinon Flats, San Jacinto Mtns. Comment
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Jan 30 2013
  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
  POM167692  Salix gooddingii C. F. Baker 1903-04 4146 Riverside Elsinore. Comment
  UC492428  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside 3 meters above mouth Diablo Canyon (near Clary's Coral Reef Ranch); Colorado Desert, foot of e slope Santa Rosa Mts. Comment
  UCR128256  Salix gooddingii A. C. Sanders, Kelly Volansky 2003-10-16 27346 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  RSA0010970  Salix hindsiana Patricia Wilder 1971-9-29 5275 Riverside San Jacinto River drainage area. Base of the San Jacinto Mountains, east of Hemet on north side of Valle Vista at north end of Fairview Street, north of Florida Street; at boundary of Soboba Indian Reservation. 518 Comment
  SD178249  Salix laevigata A. C. Sanders 2004-5-12 27867 Riverside Elsinore Basin Region: Walker Canyon at north foot of Alberhill Mountain, Temescal Creek. 377 Comment
  RSA586051  Salix lasiolepis D. L. Banks, Steve D. Boyd 1995-3-16 90 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, Arroyo Seco drainage. 512 Comment
  CAS-BOT-BC126323  Salix sessilifolia Milo S. Baker 1928-4-3 2832 b Riverside Tahquitz [Canon] Canyon near Palm Sps. Comment
  UCR77759  Salsola tragus Steve Boyd 1991-9-8 6423 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  UC880180  Saltugilia australis I. W. Clokey and E. G. Anderson 1935-4-16 6830 Riverside e Hemet; e of Hemet 600 Comment
  RSA0094571  Saltugilia australis Leigh A. Johnson 1997-4-25 97 -049 Riverside Magee Hills vicinity: On first year burn on hills and slopes directly W of Hwy R3, (Sage Road) ca. 5.9 mi S of jct. with Cactus Valley Rd., and 0.8 mi N of Sage Hen Fire station. 700 Comment
  UC455468  Saltugilia splendens subsp. splendens I. J. Condit 1910-6-22 Riverside San Jacinto Mts. Comment
  UCR26544  Salvia carduacea A. C. Sanders 1981-5-20 2146 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  UCR37198  Salvia carduacea R. A. Fawcett 1938-4-29 s.n. Riverside E of Cajalco Reservoir [=Lake Mathews] Comment
  HSC14332  Salvia columbariae C. L. Hitchcock 1966-3-15 24155 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  RSA401493A  Salvia columbariae Ora M. Clark 1929-3-2 1600 Riverside Near Alberhill Comment
  RSA766613  Salvia columbariae Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-27 173 Riverside Mecca Hill Wilderness. Wash Route off Hwy 195/ Box Canyon Rd. Near wilderness boundary. 366 Comment
  SDSU12260  Salvia columbariae Jeremy Mass, Ryan Jacobsen 2000-4-19 5 b Riverside Stone Creek streambed adjacent to Southside Field Station, Santa Margarita Ecological Reserve (SDSU). Growing near edge of road on east side. 222 Comment
  UC1537560  Salvia columbariae Gordon H. True Jr. 1935-2-20 5 Riverside Box Springs; Sycamore Canyon 365 Comment
  UCR214321  Salvia columbariae A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38381 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
  UCR265829  Salvia columbariae Mitch Provance 2012-5-24 512- 11 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  UCR87609  Salvia columbariae A. C. Sanders 1994-5-30 14600 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  JEPS62716  Salvia eremostachya M. F. Gilman 1921-1 710 Riverside Pinyon Flat Pinyon Flat, Santa Rosa Mts.; Santa Rosa Mts. Comment
  SD49879  Salvia greatae Peter H. Raven 1958-5-5 12907 Riverside East of Coachella Canal 3.6 miles on a road up the south side of the Orocopia Mountains. Comment
  RSA637525  Salvia leucophylla Scott D. White 1998-9-4 7101 Riverside Beaumont: Oak Valley Golf Course Flood detention basin along intermittent channel just above (i.e N side) of golf course. 762 Comment
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Jun 8 2020
  RSA434138  Salvia mellifera Bonnie C. Templeton, I. W. Clokey 1930-4-9 1067 Riverside Palm Springs. 650 Comment
  SD244178  Salvia mellifera A. C. Sanders, Timothy W. Chumley 2013-4-2 40753 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Road and Hostettler Road, south of I-15 Fwy, SE of Coroa (Lee) Lake (Alberhill 7.5'Q) 405 Comment
  UCR260564  Salvia mellifera T. B. Salvato 2014-5-29 8038 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  JEPS62774  Salvia pachyphylla Carl V. Meyer 1928-7-27 568 Riverside Hidden Lake Trail; Tahquitz Valley 2438 Comment
  RSA259205  Salvia pachyphylla P. A. Munz 1938-8-14 15346 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  UCR17525  Salvia pachyphylla Frank C. Vasek 1979-7-26 s.n. Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  CAS-BOT-BC233340  Salvia vaseyi E. K. Balls 1959-6-25 23860 Riverside Along road to 29 Palms, 7.5 mi. N. of jct. with U.S. Hwys. 60/70/99 381 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
  RSA125249  Salvia vaseyi E. K. Balls, P. C. Everett 1957-8-20 22670 Riverside 6.6 mi. sw. along State Hwy. 74 from Palm Village (jct. State Hwy. 111). 503 Comment
  UC2031940  Salvinia minima R. E. Riefner Jr. 2009-2-25 09 -17 Riverside City of Lake Elsinore, S side of Temescal Wash, W of Highway 74, vicinity of Bromley Ave. at Bennett St. Comment
  POM3627  Samolus parviflorus Crawford, Johnston 1917-6-9 1231 Riverside Santa Ana River near Corona. Comment
  UCR59810  Samolus parviflorus Jeri Hirshberg 1989-7-25 s.n. Riverside Peninsular Range, Butterfield Country, SW of Vail Lake Comment
  SEINET13945113 Image available Sanicula arguta A. C. Sanders, T. Glenn 1983-1 3733 Riverside Mesa de Colorado, Santa Ana Mountains, 5 miles(airline) SW of Murrieta. (Near 1176 17' W, 33 deg. 31' N). 610 Comment
  RSA552728  Sanicula bipinnatifida Steve Boyd, Timothy S. Ross 1992-3-31 6770 Riverside Santa Ana Mountains, clay soil areas on Elsinore Peak. 1011 Comment
  RSA715104  Sanicula bipinnatifida A. C. Sanders, Guy Bruyea 2004-4-2 27435 Riverside Peninsular Range: Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  UCR138650  Sanicula crassicaulis D. L. Banks 1997-3-29 1641 Riverside Agua Tibia Mtns., NW Palomar Mountains, Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation, just before the Riverside/San Diego Co. line 482 Comment
  RSA606464  Sarcodes sanguinea Jon E. Keeley 1992-7-9 16700 Riverside Above Santa Rosa Cpgrd [Campground], on road to Toro Pk, Santa Rosa Mtns. 2300 Comment
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Jun 3 2012
  UCR129891  Sarcodes sanguinea N. C. Cooper 1944-6-17 1404 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1829 Comment
  UCR177401  Sarcostemma cynanchoides Marisa Sripracha, K. A. Boyd 2004-3-22 069 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  CLARK-A1528-128  Sarcostemma cynanchoides subsp. hartwegii Bruce Freeman 1968-5-11 680511-3 Riverside Santa Ana Mountains 182 Comment
  LA202877  Sarcostemma cynanchoides subsp. hartwegii Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  UCR163082  Sarcostemma hirtellum B. G. Pitzer 2000-5-7 4139 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  UCR45939  Satureja chandleri James Henrickson 1972-5-21 7196 A Riverside Santa Ana Mtns., Santa Rosa Plateau, 2 mi. west of Murrieta on slopes up to Santa Rosa Plateau along Tenaja Road 396 Comment
  RSA597079  Schedonorus arundinaceus D. L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1117 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, SW side of the Water Storage tank., 100 m N of the road junction between the main Preserve Road and the road to the Emerson Cottage. 457 Comment
  SEINET3197218 Image available Schismus arabicus Andrew C. Sanders, Richard Dwerlkotte 2010-3-22 37519 Riverside Sonoran (Colorado) Desert; Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. (Sidewinder Well 7.5' Q) 130 Comment
  UCR216113  Schismus arabicus Jim Andre, T. La Doux 2009-2-25 10812 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UCR269844  Schismus arabicus A. C. Sanders, Jim Malusa 2016-3-18 42385 B Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  RSA483279  Schismus arabicus Robert Gustafson 1980-4-3 1519 Riverside Orocopia Mountains, about 6 miles east of Mecca on Box Canyon road. 305 Comment
  CAS-BOT-BC243457  Schismus barbatus Rateaver 1944-2-21 58 Riverside Fan of Tahquitz Creek, Palm Springs Comment
  CLARK-A1528-5533  Schismus barbatus John C. Roos 1951-3-24 5033 Riverside Riverside 396 Comment
  RSA779624  Schismus barbatus Duncan S. Bell 2010-4-1 654 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  RSA794234  Schismus barbatus Jim Andre 2012-3-19 21397 Riverside Palen Mountains; along Palen Pass Road at Palen Pass. 383 Comment
  UCR25195  Schismus barbatus John C. Roos, L. Roos 1951-3-24 5033 Riverside San Bernardino Valley, Riverside, Mount Rubidoux 396 Comment
  CAS-BOT-BC111386  Schoenoplectus acutus var. occidentalis Louis C. Wheeler 1932-9-4 1337 Riverside Santa Ana R. at Chino Creek 182 Comment
  RSA653173  Schoenoplectus acutus var. occidentalis Mitch Provance 2000-6-24 2073 Riverside Riverside: Santa Ana River Wash, between the Market St. bridge and the 60 Fwy. 243 Comment
  UCR277488  Schoenoplectus californicus Mitch Provance 2013-2-16 0213- 01 Riverside Santa Ana River Valley, Riverside, Arlanza area, W side of Hole Lake and adjacent mesa. 226 Comment
  CAS-BOT-BC111019  Scirpus microcarpus Earl W. Lathrop 1965-5-7 57156 Riverside 5 miles SW of Murrieta on the DeLuz road Comment
  CAS-BOT-BC111020  Scirpus microcarpus Scott D. White 1995-6-30 3418 Riverside Cole Creek, NW of Murrieta, upstream from Murrieta Ck. Confluence. 365 Comment
  SDSU13642  Scrophularia californica W. Miller, C. Mosse 1972-7-13 Riverside West of M.W.D. station. Comment
  UCSB46710  Scrophularia californica Reimer, Neil 1977-5-13 Riverside In Box Springs Mt. Park Comment
  RSA425198  Scrophularia californica subsp. floribunda Christopher Davidson 1975-6-16 2801 Riverside Ca. 2 miles S of Banning on road R1 to Idyllwild. 823 Comment
  CAS-BOT-BC341108  Scutellaria mexicana Ivan Johnston 1917-4-4 1115 Riverside Palm Canyon Comment
  OBI71050  Scutellaria mexicana Larry Kelly, David J. Keil 1988-4-16 55 Riverside Ca. 5 mi from hwy 10 on rd through Ocatillo garden, and cholla patch in Joshua Tree natl Monument Comment
  SD73615  Scutellaria mexicana Heloen V. Witham 1970-4-29 837 Riverside On flat, 29.2 miles of L. Hemet, on Highway 74. 1299 Comment
  UC25773  Scutellaria siphocampyloides H. M. Hall Aug. 1896 334 Riverside San Jacinto Mountains 1828 Comment
  SD152815  Scutellaria tuberosa subsp. australis Steve Boyd, Time Ross 1992-5-4 7187 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 730 Comment
  UCR228856  Secale cereale A. C. Sanders, T. B. Salvato 2011-3-28 38822 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 Comment
  UCR128301  Sedum spathulifolium Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8650 Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  CAS-BOT-BC62089  Selaginella eremophila L. R. Abrams 1926-3-26 11032 Riverside Palm Canyon Comment
  RSA5437  Selaginella watsonii Carl B. Wolf 1932-8-5 3976 Riverside Rocks at summit of San Jacinto Peak 3294 Comment
  SEINET6692565 Image available Senecio douglasii Norman C. Cooper 1944-7-15 1605 Riverside Palms to Pines Hwy. San Jacinto Mountains. 1219 Comment
  CAS-BOT-BC323967  Senecio flaccidus var. douglasii A. M. White 1974-6-5 1132 Riverside ca. 1 M from Corona Fwy, Aberhill Turnoff 457 Comment
  CAS-BOT-BC323974  Senecio flaccidus var. douglasii H. M. Hall 1901-6-1 2009 Riverside San Jacinto Mountains. Canyon of the San Jacinto River. 609 Comment
  CAS-BOT-BC323991  Senecio flaccidus var. douglasii C. B. Wolf 1931-10-14 2461 Riverside Roadside at Cabezon, San Gorgonio Pass.. 518 Comment
  POM183887  Senecio flaccidus var. douglasii P. A. Munz 1932-10-16 12840 Riverside Palm Creek, Santa Rosa Mts. 1463 Comment
  RSA777731  Senecio mohavensis J. Andre, Glenn L. Clifton 2011-2-22 17443 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca 219 Comment
  UC354444  Senecio mohavensis Edmund C. Jaeger 1929-2 Riverside Canyon Springs on Butterfield Trail; Colorado Desert, Canyon Springs on old Butterfield Trail Comment
  RSA556502  Senecio vulgaris Julie Greene 1993-4-3 1100 Riverside San Jacinto Wildlife Area. South of permanent pond. El Casco 7.5 USGS Quad. R2W, T3S, NW 1/4 of Section 29. 441 Comment
  LA204900  Senegalia greggii Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, San Gorgonio Wash, near Banning Comment
  UCR264229  Senegalia greggii A. C. Sanders, Jim Malusa 2015-9-10 41856 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  JOTR32040  Senna armata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2270 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  RSA0041956  Senna covesii Duncan S. Bell, Marcel Beffort 2014-4-22 6599 Riverside Chuckwalla Mountains; western end of Corn Springs wash/canyon; approximately 0.75 air mile southwest of Aztec Well. 671 Comment
  UCR275529  Sesuvium verrucosum A. C. Sanders, Karen Kirtland 2016-9-23 42631 Riverside San Jacinto Valley, edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd. between Jack Rabbit Tr. and Eden Hot Springs Rd. 434 Comment
  SBBG80508  Setaria adhaerens A. C. Sanders 1985-8-24 5948 Riverside near Oasis on Ave 76, 0.4 mi E of Hwy 195, along S side of large drain flowing toward Salton Sea -54 Comment
  UCR126421  Setaria adhaerens T. B. Salvato, A. C. Sanders 2000-4-27 63 Riverside Coachella Valley, between Filmore & Buchanan on Avenue 56 -12 Comment
  RSA338585  Setaria adhaerens A. C. Sanders 1985-8-24 5948 Riverside Near Oasis in the lower Coachella Valley, common weed in a grapefruit orchard on the dirt extension of Ave. 76, 0.4 mi. E if Hwy 195, along the S side of a large drain flowing toward the Salton Sea. Comment
  UCR90278  Setaria parviflora Scott D. White 1995-7-7 3442 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  CAS-BOT-BC243635  Setaria pumila Edward G. Wegenek 1970-8-24 952 Riverside Blythe area Comment
  CDA2462  Setaria verticillata T. C. Fuller 1960-7-12 4908 Riverside Southeast corner of Clinton Street & 44th Avenue, Indio. 0 Comment
  UC1620068  Sibaropsis hammittii Steve Boyd and Tim Ross 1992-3-31 6771 Riverside Elsinore Peak Santa Ana Mountains, USGS Wildomar 7.5' quadrangle 1011 Comment
  RSA0045151  Sida leprosa Andrew Haimov, April Sleigh 1992-5-26 99 Riverside East side of Davis Road, next to San Jacinto river, 1 mile north of Ramona Expressway, San Jacinto Wildlife Area. Comment