Search Results — 2000 specimen records retrieved (1899 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SEINET10719539  Abies concolor var. lowiana Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-16 Meyer 18 Riverside San Bernardino National Forest. Mix between oak chaparral and pine forest. Next to Lake Fulmor, 17 mi. S on Hwy 243 (off I-10). 1632 Comment
  RSA461032  Abronia villosa Aloys Nicholson 1930-4-6 s.n. Riverside 1000 Palms. Colorado Desert. Comment
  RSA461035  Abronia villosa M. B. Dunkle 1933-3-4 3052 Riverside Painted Canyon, Colorado Desert. 30 Comment
  SDSU8420  Abronia villosa J. Godsil 1953-3-20 582 Riverside Sand dunes, east of Palm Springs. 140 Comment
  UCR124857  Abronia villosa B. C. Templeton, I. W. Clokey 1930-4-9 1078 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  CAS-BOT-BC310319  Abronia villosa var. aurita Duncan S. Bell 2012-3-8 3141 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
  RSA60832  Abronia villosa var. aurita Frank W. Gould 1943-4-17 2119 Riverside 12 miles south of Corona on road to Elsinore. Comment
  SD73625  Abronia villosa var. aurita Helen V. Witham 1970-5-1 853 Riverside Frequent in wash, Bautista Canyon, ca. 5 miles south of Hwy 74 (mak 10/07) 800 Comment
  UC1552146  Abronia villosa var. aurita David Charlton 1988-2-19 1208 Riverside Orocopia Mtns. Comment
  UC7621 Image available Abronia villosa var. aurita S. B. Parish Apr 4 1896-Apr 13 1896 4138 Riverside desert base of San Jacinto Mt.(Agua Caliente) Palm Springs, San Jacinto Mt. 152 Comment
Read comments
Jul 8 2010
  UC851650  Abronia villosa var. aurita I. W. Clokey, E. G. Anderson 1935-8-21 6604 Riverside Hemet Lake, By road Hemet Lake 1300 Comment
  RSA461198  Abronia villosa var. villosa E. A. McGregor 1964-3-24 s.n. Riverside Near Desert Center, Hwy 60 Comment
  SD187439  Abronia villosa var. villosa Naomi Fraga, Sarah J. De Groot, et al. 2005-2-10 1420 Riverside Colorado Desert; Northeastern Colorado Desert region: along Palen Road near Hwy 177 170 Comment
  RSA125463  Acacia greggii var. arizonica E. K. Balls, Percy C. Everett 1957-8-20 22664 Riverside Morongo Pass, 8 3/4 mi N. along rd. to 29 Palms from jct. with U.S. Hwy 60/70/99. 640 Comment
  RSA416162  Acamptopappus sphaerocephalus var. sphaerocephalus Bonnie C. Templeton, I. W. Clokey 1930-4-9 1052 Riverside North of Palm Springs. Colorado desert 400 Comment
  POM116670  Achnatherum hymenoides Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  POM365987  Achnatherum hymenoides Bonnie C. Templeton 1931-4-9 s.n. Riverside N of Palm Springs Comment
  RSA697715  Achnatherum hymenoides J. Russell Bruff 1921-3-12 36 Riverside Whitewater. Comment
  JEPS485  Achnatherum speciosum W. L. Jepson 1928-4-25 12574 Riverside Cottonwood Spring Colorado Desert 731 Comment
  POM123137  Achyronychia cooperi Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  UCR126431  Achyronychia cooperi T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 56 Riverside Coachella Valley, 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal 9 Comment
  UCR164926  Achyronychia cooperi 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
  LA204941  Acmispon argophyllus var. argophyllus Elizabeth McClintock; 1938-7-17 sn Riverside San Jacinto Mountains, near Pine Cove Comment
  SBBG3389  Acmispon argophyllus var. argophyllus H. and M. Dearing 1942-3-17 4835 Riverside Dos Palmas Cyn near Palms to Pines Hwy Comment
  JOTR35451  Acmispon glaber var. brevialatus Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 55 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  SEINET957560  Acmispon heermannii George K. Helmkamp 1984-1 A- 27 Riverside Big Morongo Canyon near the riverside county line, 2 miles below the Big Morongo Preserve headquarters, floor of the main canyon and to 1/4 mi. up a broad side canyon to the east. 701 Comment
Read comments
Dec 3 2014
  UC1971243  Acmispon maritimus Scott D. White 1998-6-28 6791 Riverside CORONA: River Road bridge over the Santa Ana River. USGS 7.5' Corona North quad. Comment
  SD247417  Acmispon strigosus A. C. Sanders, Jim Malusa 2015-3-9 41364 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, along Gasline Road at major wash crossing 1.9 miles south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range (Red Cloud Canyon 7.5'Q) 671 Comment
  CAS-BOT-BC22561  Adenophyllum porophylloides P. A. Munz 1932-4-24 12395 Riverside Snow Creek Canyon, San Jacinto Mountains 457 Comment
  CAS-BOT-BC30915  Adenophyllum porophylloides R. S. Ferris; Rimo Bacigalupi 1958-3-19 13234 Riverside Gully ca. 0.5 mi. S of Styx siding near Midland, Rice to Blythe Road Comment
  CHSC30431  Adenophyllum porophylloides Jeffrey M. Lund 1980-4-3 51 Riverside One mile west of Corn Springs on the side of an unimproved road. 487 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-BC139859  Adenostoma sparsifolium Winifern W. Swarth 1914-9-8 s.n. Riverside Trail below Strawberry Valley, San Jacinto Mts. 1524 Comment
  CAS-BOT-BC139875  Adenostoma sparsifolium Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  JEPS44821 Image available Adenostoma sparsifolium W. L. Jepson 1903-8-6 2284 Riverside San Jacinto Mt., Chalk Hill 1371 Comment
  RSA453179  Adenostoma sparsifolium H. S. Gentry 1939-10-7 4654 Riverside Dripping Springs. Comment
  RSA679175  Adenostoma sparsifolium Richard L. Zembal 2003-7-11 5962 Riverside Santa Ana Mtns.: Just east of Bear Creek, 0.5km Upper San Juan Campground. On gentle ridge with north-facing aspect 668 Comment
  SD232791  Adenostoma sparsifolium Scott D. White 1996-8-1 4456 Riverside Twin Pines Area: Just N of Twin Pines Rd, ca. 1/2 air mile west of Twin Pines Ranch. 1100 Comment
  RSA523501  Adiantum jordanii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-30 3961 Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  CLARK-A1528-3578  Adiantum pedatum John C. Roos 1948-5-29 3871 Riverside Whitewater Canyon Comment
  SEINET5641184  Agave deserti var. deserti Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28521 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  UC1951124  Agoseris retrorsa Scott D. White, Justin Wood 2009-5-22 12892 Riverside SAN JACINTO MOUNTAINS: Quinn Flat Meadow. USGS Idyllwild 7.5' Quad. Comment
  POM49571  Agrostis idahoensis P. A. Munz 1924-7-27 8785 Riverside Dark Canyon, San Jacinto Mountains. 1981 Comment
  SEINET4558773  Agrostis pallens Steve Boyd, Tim Ross, Orlando Mistretta 1992-1 6652 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Lower half of Tenaja Canyon, especially about Fisherman's Camp. Comment
  UC862257  Alhagi maurorum W. T. Swingle and A. B. Stout 1922-11-15 Riverside Indio Coachella Valley (n of So. Pac. Ry.) Comment
  RSA784964  Allionia incarnata Duncan S. Bell 2012-3-18 3228 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  RSA793264  Allionia incarnata Aaron C. Sedgwick, Joella Simons Adkins 2012-10-24 146 Riverside Graham Pass Rd. in the Chuckwalla Mtns. ~1 mi. north of Graham Pass. 421 Comment
  SD120078  Allionia incarnata var. villosa Louis B. Ziegler 1966-9-13 83 Riverside San Jacinto Mountains, Canyon of Carrizo Creek above Highway #74 crossing. 701 Comment
Read comments
Jul 10 2010
  RSA0048296  Allium burlewii A. L. Haines 1951-5-19 5145 Riverside Fern Basin Camp, San Jacinto Mts. 2133 Comment
  UC479033  Allium haematochiton Marcus E. Jones, A. M. 1931-3-2 28394 Riverside Corona Comment
  UC1608290  Allium lacunosum var. kernense Steve Boyd, Tim Ross 1992-5-15 7386 Riverside along old Main Divide Road track about 1/4 mi se radio towers (se flank of Elsinore Peak at Onion Hill); Southern Santa Ana Mountains, Elsinore Peak, Onion Hill 1021 Comment
  UCR138611  Alnus rhombifolia D. L. Banks 1996-11-7 1189 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, c. 200 m NW of the spring on the N fork of Pechanga Creek, at the E end of the Reservation 457 Comment
  UCR95252  Aloe saponaria D. L. Banks, E. H. Banks 1996-5-2 952 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
  RSA704856  Amaranthus J. B. B. 1934-6-18 528 Riverside Snow Creek; base of San Jacinto. Comment
Read comments
Feb 16 2013
  CDA3263  Amaranthus albus E. E. Hogan 1958-9-12 1227 -58 Riverside 0 Comment
  UCR263225  Amaranthus blitoides A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41467 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  RSA661035  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23080 Riverside McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  UCR241959  Amaranthus deflexus A. C. Sanders, Jose Aguiar 2012-12-19 40531 Riverside Sonoran (Colorado) Desert, Coachella Valley, NE of Mecca above intersection of Ave. 62 and Johnson St. near Coachella Canal -8 Comment
  JOTR35981  Amaranthus fimbriatus Harding, Mitzi, Mark Wheeler 2012-9-4 192 Riverside Joshua Tree National Park. Pinto Basin; near turkey flats parking area; sandy flats (Stop 1) 509 Comment
  RSA0104438  Amaranthus fimbriatus Duncan S. Bell, Evan Meyer 2014-10-28 7669 Riverside Orocopia Mountains; northwest section of range; approximately 1.8 air miles northwest of the summit of Orocopia Mountain. 936 Comment
  SEINET12764893  Amaranthus fimbriatus Louis C. Wheeler 1966-10-15 8985 Riverside San Jacinto Mountains, by Black Hill, by Pines to Palms Highway.; 0 975 Comment
  CLARK-A1528-1533  Ambrosia acanthicarpa John C. Roos 1965-9-26 Riverside San Jacinto Mountains Comment
  POM319667  Ambrosia acanthicarpa Patricia Wilder 1971-9-29 5263 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street, Valle Vista; east of Hemet. On dry river bed. 518 Comment
  RSA188422  Ambrosia acanthicarpa L. S. Rose 1966-12-11 66094 Riverside Palm Springs. 152 Comment
  RSA544299  Ambrosia acanthicarpa Steve Boyd 1991-9-8 6427 Riverside Aguanga Valley, sandy wash of Temecula Creek, S of Hwy 79 at jtn with Hwy 371. 600 Comment
  UC750627  Ambrosia acanthicarpa Lewis S. Rose 1946-12-24 46308 Riverside 5 mi e Cabazon 441 Comment
  SEINET4691693  Ambrosia confertiflora O. F. Clarke 2009-1 s.n. Riverside Peninsular Range: Riverside; O. F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCD128687  Ambrosia confertiflora A. C. Sanders; P. MacKay, S. White and M. Bagley 1996-5-14 18169 Riverside Moreno Valley (Edgemont), east side of I-215 at Alessandro Blvd. 470 Comment
  CAS-BOT-BC22612  Ambrosia dumosa P. H. Raven 1958-1-24 11463 Riverside Fargo Canyon Comment
  JEPS40957  Ambrosia dumosa I. W. Clokey and B. C. Templeton 1930-4-9 4705 Riverside n of Palm Springs; Colorado Desert 170 Comment
  RSA614559  Ambrosia dumosa George K. Helmkamp 1998-4-4 3148 Riverside Junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center-Rice Rd). 457 Comment
  UC1329946  Ambrosia dumosa James E. Cole 1941-4-13 569 Riverside .5 mi n Meek's Cabin; Joshua National Monument, Pinto Pass Comment
  UC912554  Ambrosia dumosa H. L. Mason 1928-3-10 4217 Riverside Hidden Springs Canyon; Coachella Mts. Comment
  UCR256334  Ambrosia dumosa Duncan S. Bell 2012-3-18 3211 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
  UCSB10231  Ambrosia dumosa Gunnerson, R. 1963-3-20 Riverside Whitewater Canyon, Colorado Desert Comment
Read comments
Mar 27 2014
  UCSB10484  Ambrosia dumosa Atsatt, Pete 1958-3-22 Riverside 5.8 miles east of Desert Center on highway 60 and 70 243 Comment
  UCR194219  Ambrosia psilostachya Scott D. White, Angelia Carey 2004-6-4 10478 B Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCSB9148  Ambrosia psilostachya Ballard 1954-10-26 Riverside 3 miles south of Men's Reform School (Chino Institute), Chino 182 Comment
  RSA93686  Ambrosia psilostachya F. W. Peirson 1920-12-29 5276 Riverside Murray Canyon near Palm Springs. Comment
  CAS-BOT-BC273020  Ambrosia salsola Marian L. Campbell 1921-3-19 74 Riverside Palm Springs Comment
  JEPS121565  Ambrosia salsola var. salsola Adam C. Schneider with Will Freyman 2014-2-16 416 Riverside West side of Highway 177. Comment
  UC68914  Ambrosia salsola var. salsola H. M. Hall 1905-5-1 5983 Riverside Chuckawalla Springs Colorado Desert Comment
  POM265819  Ammannia coccinea J. C. Roos 1937-6-7 2401 Riverside S base of Jackrabbit Trail, San Jacinto Valley Comment
Read comments
Mar 20 2011
  UCR274328  Ammannia coccinea Mitch Provance 2012-7-11 612- 61 Riverside Badlands of Western Riverside County, Beaumont, along 1st St., near intersection with Grace Ave. 780 Comment
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Sep 27 2021
  UCR26242  Ammannia robusta John C. Roos 1937-6-7 2401 Riverside San Jacinto River Valley, Foot of Jackrabbit Trail. [N of San Jacinto] Comment
  JEPS29301  Amsinckia intermedia Rimo Bacigalupi and L. R. Heckard 1962-3-25 8396 Riverside 5 mi se Corona (just n of Bedford Canyon, hills at e base of Santa Ana Mountains); Santa Ana Mountains 304 Comment
  POM127659  Amsinckia intermedia S. B. Parish 1919-3-27 19188 Riverside Whitewater, Colorado Desert 305 Comment
  RSA499970  Amsinckia intermedia H. de Forest 1929-3-16 s.n. Riverside San Bernardino Mts, San Gorgonio Pass. Comment
  RSA499976  Amsinckia intermedia David Young 1969-4-12 P 403 Riverside 10 mi. SE. of Helmet, California on State St. 335 Comment
Read comments
Apr 6 2013
  RSA0089607  Amsinckia intermedia D. L. Banks 1997-2-23 1290 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  RSA0089920  Amsinckia menziesii Duncan S. Bell 2010-4-1 671 Riverside Arica Mountains: west side of Rice Valley, about 1.2 air miles east of the Atchison, Topeka, and Santa Fe railway line, approximately 4.2 air miles east of Priest Well, and approximately 4.3 air miles southeast of the ghost town of Rice. 208 Comment
  UCR84587  Amsinckia menziesii Scott D. White, S. Ogg 1994-4-21 1969 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA0089918  Amsinckia menziesii R. F. Thorne, Drs Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55446 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  UCR256769  Amsinckia tessellata T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7878 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  SEINET7248339 Image available Amsonia tomentosa Duncan S. Bell, Evan Meyer 2014-1 6527 Riverside Colorado Desert; Chocolate-Chuckwalla Mountain region: Chuckwalla Mountains; approx. 0.75 air mile southeast of Aztec Well. 703 Comment
  SDSU12882  Anagallis arvensis J. Jill Steinberg with Leon Steinberg 1998-4-9 44 Riverside Ca. 1/4 mile along foot trail leading southeast from road, approximately 1/4 mile northeast of Santa Margarita (SDSU) Field Station trailer, north of Santa Margarita River. 335 Comment
  RSA180287  Anagallis arvensis E. W. Lathrop 1965-4-25 5671 Riverside 4 miles Sw of Murrieta. Comment
  CAS-BOT-BC272871  Ancistrocarphus filagineus Steve Boyd 1986-3-9 1388 Riverside Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 487 Comment
  UCR254625  Androstephium breviflorum Jim Andre, Glenn Clifton, Ron Kelley 2013-3-21 24397 Riverside NE Colorado Desert, West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of Grommet RR xing at Hwy 62 363 Comment
  UCR111724  Anemone tuberosa L. C. Wheeler 1953-3-31 7042 Riverside Sonoran (Colorado) Desert, Riverside Mountains, near Mountaineer Mine 313 Comment
  CSUSB1479  Anthemis cotula Rita Gibbons 1975-6-5 S. N. Riverside Reche Canyon Rd., 4 miles from Barton Rd. Comment
  SEINET9323908  Antheropeas lanosum Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  UCR158325  Anthriscus caucalis A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30072 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
  JEPS16669  Antirrhinum coulterianum Rimo Bacigalupi with Gene Newcomb 1954-4-25 4396 Riverside 0.75 mi s Sage (along Calif Hwy 79, close to summit of St. Johns Grade, 9.5 mi n of junction with Calif Hwy 71) 731 Comment
  RSA425776  Antirrhinum coulterianum Ora M. Clark 1929-3-16 1686 Riverside Near Cabazon, Colorado Desert. Comment
  SEINET3158871  Antirrhinum coulterianum D. M. Jackson, R. W. Spellenberg 1972-5-19 193 Riverside 3.4 mi SW of Anza and Cary Rd. and California State Hwy 71 intersection on recently disturbed area Comment
  UC672557  Antirrhinum coulterianum Herbert L. Mason 1926-5-2 3194 Riverside Aguanga Valley Comment
  UCR177111  Antirrhinum coulterianum Bill Wagner 1994-5-11 s.n. Riverside Black Mountain, c. 4 miles NNE of Lake Skinner 915 Comment
  UCR20951  Antirrhinum coulterianum A. C. Sanders 1978-7-1 86 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  RSA703397  Antirrhinum filipes LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1449 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCR121680  Antirrhinum kelloggii Ian G. Gillespie, Abby Sirulnik 2000-5-7 39 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 40 m SW of DePalma Road, directly across from Corona Lake 396 Comment
  UCR100701  Antirrhinum nuttallianum Scott D. White 1997-5-25 5251 B Riverside Peninsular Range; Perris Basin, Winchester Area: Hills south of Patton Ave. and west of Winchester Road, c. 2 air mi SW of the junction of Winchester Road and Simpson Avenue 549 Comment
  POM354918  Antirrhinum nuttallianum subsp. nuttallianum Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  SDSU21840  Antirrhinum nuttallianum subsp. nuttallianum Dang Dong, Stephanie Castillo, Lindsay Rubin 2016-4-16 3 Riverside Santa Magarita Ecological Reserve, Via Tornado, south side of Santa Margarita river, going uphill, south side of road. 357 Comment
  RSA561016  Apiastrum angustifolium Steve Boyd, Timothy S. Ross 1992-5-4 7194 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA673553  Apiastrum angustifolium Scott D. White, Tasha La Doux 2000-4-20 7683 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  RSA561107  Apocynum cannabinum Steve Boyd, D. E. Bramlet, Timothy S. Ross 1993-5-12 7327 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
Read comments
Oct 30 2011
  UC9006  Aquilegia formosa H. M. Hall July 1901 Riverside San Jacinto Mtns 1524 Comment
  UCR241188  Arabis glabra Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 515 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UCR27029  Arabis johnstonii T. P. Krantz 1978-5-30 S.N. Riverside San Jacinto Mtns., Quinn Flat, on E side of meadow Comment
  RSA527863  Arabis sparsiflora var. californica Scott D. White 1991-5-10 91 -135 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  SD254598  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42621 Riverside San Jacinto Mountains: Highway 74 below McGaugh Road, west slope of the mountains at mile post 58.19, below Mountain Center. 1310 Comment
  RSA629423  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16846 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629443  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16757 Riverside Road to Thomas Mtn. (5S15), 1.8 km south of Toolbox Spring, west of Garner Valley, San Jacinto Mountains. 1785 Comment
  RSA631789  Arctostaphylos glauca Jon E. Keeley 1992-7-17 16735 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA631836  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20174 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 4 km south of Pinyon Pines, Santa Rosa Mountains. 1430 Comment
  UC1506090  Arctostaphylos glauca R. T. Clausen 1963-4-21 63056 Riverside summit of ridge between Weber Valley and Reed Valley; Transverse Ranges Comment
  UCR178833  Arctostaphylos glauca Jeffrey Ross 1998-3-17 MOR- 1024 Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Potrero Canyon, near dirt road at outlet to sag pond at Burro Flats, Tree Stand P-04 1098 Comment
  RSA633550  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21788 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633591  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22527 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  POM367417  Arctostaphylos pringlei subsp. drupacea Gary D. Wallace 1964-4-25 s.n. Riverside San Jacinto Mts. Rd. to Idlewild Comment
  RSA635640  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16683 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  UCSB4720  Arctostaphylos pringlei subsp. drupacea Ralph, F. 1959-5-16 Riverside Near Jolley Springs along Devil's Slide Trail in Mt. San Jacinto Wilderness Area, Mt. San Jacinto 2133 Comment
  POM49843  Arctostaphylos pungens P. A. Munz, I. M. Johnston 1924-7-29 8878 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  RSA635990  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19489 Riverside West of Temecula, off Calmara Rd., 1 km south of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 600 Comment
  RSA636000  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19547 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636027  Arctostaphylos rainbowensis Jon E. Keeley 1992-4-5 15062 Riverside Rainbow Canyon Rd., 2 km south of Pala Rd. 370 Comment
  CAS-BOT-BC137649  Aristida adscensionis Frank W. Peirson 1921-3-23 2374 Riverside Colorado Desert. Deep Canyon. 335 Comment
  UC1930181  Aristida adscensionis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10504 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  UCR144088  Aristida adscensionis Scott D. White 1999-4-20 7275 Riverside Colorado River Valley, Blythe area, Southern foothills of the Big Maria Mtns, NW of Calif. Hwy 95, c. 7 road mi N of the junction of Hwy 10 and Intake Blvd in Blythe 137 Comment
  UCR251717  Aristida adscensionis Deidre Conocchioli, Sarah J. De Groot 2013-9-18 48 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 23 miles west of Blythe on I-10, Ford Dry Lake exit, Chuckwalla Valley Road 1.5 miles west to near Graham Pass Road 122 Comment
  UCR52011  Aristida adscensionis Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2130 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA781413  Aristida purpurea Duncan S. Bell 2011-10-22 2993 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
  UCR216682  Aristida purpurea Tasha La Doux, Jim Andre 2009-3-10 386 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  JOTR29526  Aristida purpurea var. nealleyi La Doux, Tasha 2003-9-4 1576 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Barker Dam 1280 Comment
  POM264354  Aristida purpurea var. nealleyi J. C. Roos 1938-8-7 582 Riverside East of Hemet, in mountains along San Jacinto River. Comment
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Apr 3 2011
  POM46956  Aristida purpurea var. nealleyi Mary F. Spencer 1918-3-27 825 Riverside Palm Springs 137 Comment
  RSA6104  Aristida purpurea var. nealleyi C. B. Wolf 1932-5-24 3640 Riverside Snow Creek, 0.5 mile below the Fish Hatchery, north base of San Jacinto Mountians. 549 Comment
  UC472725  Aristida purpurea var. nealleyi A. S. Hitchcock 1918-3-27 Riverside Palm Springs Colorado Desert 100 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
  CLARK-A1528-1559  Artemisia californica John C. Roos 1951-10-27 5347 Riverside Riverside 304 Comment
  RSA750538  Artemisia californica Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12588 Riverside San Bernardino Mountains: Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry 640 Comment
  UCD129218  Artemisia californica E. K. Balls; P. C. Everett 1957-11-4 22755 Riverside Snow Creek. 609 Comment
  UCR106922  Artemisia californica D. L. Banks, L. Raz 1996-11-5 1146 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, south of San Gabriel Church; along a newly established firebreak along a NW-SE running ridgeline, near the water tank in section 34 421 Comment
  RSA192012  Artemisia douglasiana H. A. Zuill 1966-7-26 301 Riverside About 7.5 miles SW of Murrieta. Comment
  RSA417287  Artemisia douglasiana E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UCR114341  Artemisia douglasiana Mitch Provance, S. D. Boyd 1999-9-14 1783 Riverside Riverside, Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  UCR24890  Asclepias californica A. C. Sanders 1981-7-22 01745 Riverside San Jacinto Mtns., Alvin Meadows, 2 mi. (airline) WSW of Idyllwild 1529 Comment
  RSA388392  Asclepias fascicularis R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61206 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
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Jun 30 2018
  SD113030  Asclepias subulata Darley F. Howe 1963-5-15 3481 Riverside 28 miles north of Blythe on #95 149 Comment
  UCSB12490  Asclepias subulata Breedlove, Dennis 1961-9-11 Riverside Along roadside U.S. 60-70, 16.4 mi. E of Indio 441 Comment
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Mar 29 2014
  UCR129604  Aspidotis californica Marcus E. Jones 1930-3-5 26519 Riverside Temescal Valley/Santa Ana Mtns., Glen Ivy 488 Comment
  RSA661032  Aster bernardinus A. C. Sanders, Mitch Provance 1999-9-26 23078 Riverside McMullen Flat ca. 1 km NW of Valley High County Park, ca. 1 km SE of Hwy 74 off (W of) Twin Pines Ranch Rd. 1195 Comment
  CLARK-A1528-159  Aster hesperius John C. Roos 1951-9-25 5258 Riverside Riverside 259 Comment
  RSA800104  Astragalus aridus Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4767 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 6 air miles southeast of the ghost town of Rice or approximately 5.3 air miles east of Priests Well. 198 Comment
  UCR620A  Astragalus bicristatus J. Zabriskie 1974-5-24 692 Riverside Santa Rosa Mtns., Reservoir area at top of Deep Canyon stream; south of Pinyon Flat 1890 Comment
  POM299592  Astragalus didymocarpus var. dispermus E. C. Jaeger 1945-4-15 s.n Riverside 5 miles East of Garnet. 213 Comment
  CAS-BOT-BC178437  Astragalus douglasii var. parishii Barbara Ertter; Jeffrey Strachan 1980-5-21 3484 Riverside Santa Rosa Mt. Road (Forest Road 7S02) ca 2 miles south of Highway 74 (Pines to Palms Highway), rivulets on SE slope. 1584 Comment
  POM188069  Astragalus douglasii var. parishii L. Crutcher 1933-7-1 18 Riverside 1 mile below Camp Tahquitz Comment
  CLARK-A1528-2743  Astragalus gambelianus John C. Roos 1952-5-19 5689 Riverside Moreno 487 Comment
  LA102293  Astragalus insularis var. harwoodii John C. Roos; 1958-3-15 Riverside Chuckwalla Mountains, 3 miles SE of Desert Center Comment
  SEINET898139  Astragalus lentiginosus H. M. Hall 1905-1 5757 Riverside Whitewater, on the Colorado Desert, Lower Sonoran Zone, 240 Comment
  RSA507459  Astragalus lentiginosus var. coachellae D. C. Hawks 1986-4-17 s.n. Riverside Whitewater River channel, 1 mile S of Hwy I-10 and 2 miles W of Indian Ave. 259 Comment
  RSA707592  Astragalus lentiginosus var. coachellae Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 01 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles NWW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune. 91 Comment
  RSA715087  Astragalus lentiginosus var. coachellae Sarah J. De Groot, J. Mark Porter 2006-3-14 5197 Riverside North foot of San Jacinto Mts., between Snow Creek Road and Highway 111; several miles downstream from gaging station. 366 Comment
  UCR161367  Astragalus lentiginosus var. coachellae Mark A. Elvin 2005-4-25 4217 Riverside Northern Sonoarn Desert, Coachella Valley; N of Palm Springs; N of 110; south of Dillon Road; east of Indian Avenue 244 Comment
  POM12864  Astragalus leucolobus P. A. Munz 1922-6-28 5872 Riverside Ridge west of Toro Peak 2287 Comment
  SEINET948513  Astragalus mohavensis Unknown 1920-1 165 Riverside Monsen Canyon, Eagle Mts. Comment
  UCR109453  Astragalus nuttallianus A. C. Sanders 1992-4-5 12165 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, Ford Dry Lake, north of Interstate Hwy 10 at Ford Dry Lake Road, near site of Hopkins Well 110 Comment
  RSA90750  Astragalus pachypus var. jaegeri F. W. Peirson 1920-6-23 2205 Riverside Aguanga 609 Comment
  UC1128880  Astragalus palmeri H. S. Yates 1937-3-24 6468 Riverside s Pinyon Flat; Thermal Quad., s of Pinyon Flat Comment
  CAS-BOT-BC194144  Astragalus pomonensis Marcus E. Jones 1926-5-29 s.n. Riverside South of Temecula Comment
  RSA608371  Astragalus pomonensis L. C. Wheeler 1930-4-16 s.n Riverside San Jacinto. Comment
  SEINET2060272 Image available Astragalus pomonensis Howard Scott Gentry 1954-7-26 14253 Riverside Dripping springs along Rte 79 Comment
  UC917881  Astragalus pomonensis Frank W. Gould 1943-4-18 2155 Riverside near junction 3 mi w Beaumont; w of Beaumont Comment
  UCR120921  Astragalus pomonensis A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24943 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  CLARK-A1528-5425  Astragalus sabulonum John C. Roos 1949-3-19 4118 Riverside Mecca Comment
  CLARK-A1528-2761  Astragalus tricarinatus John C. Roos 1948-5-8 3826 Riverside Whitewater Comment
  SEINET4073000  Athysanus pusillus O. M. Clark 1929-1 1945 Riverside South Hemet, southern California. Comment
  CAS-BOT-BC98820  Atrichoseris platyphylla R. Bacigalupi 1928-2-1 s.n. Riverside Colorado Desert - Painted Canyon Comment
  RSA516912  Atrichoseris platyphylla Steve Boyd, Orlando Mistretta 1986-3-13 1454 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA695436  Atrichoseris platyphylla Scott D. White, Michael Honer 2003-5-14 9290 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  SBBG15833  Atrichoseris platyphylla D. Graney 1953-3-23 131 Riverside ca. 11 mi E of Indio Comment
  RSA643293  Atriplex canescens R. D. Goeden, D. W. Ricker 1964-1-23 s.n. Riverside Coachella Valley: Indio, Jefferson St. at Hwy 111, near Whitewater River Channel., 33 42'30''N, 116 16'W 15 Comment
  SBBG29406  Atriplex canescens D. Myrick 1968-3-4 1804 b Riverside Desert Hot Springs 304 Comment
  UC850759  Atriplex canescens Carl B. Wolf 1932-10-13 4303 Riverside Cottonwood Springs Colorado Desert, Eagle Mts., Cottonwood Springs 289 Comment
  RSA5453  Atriplex canescens var. linearis C. B. Wolf 1932-10-13 s.n. Riverside NE side of S.P.R.R. at Durmid on N.E. side of Salton Sea -61 Comment
  RSA591763  Atriplex coronata var. notatior J. C. Roos 1965-6-30 s.n. Riverside Perris. Comment
  SEINET3090678  Atriplex coronata var. notatior R. A. Johnson, G. A. Ruffner 1990-1 Riverside Comment
  UCR202225  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
  UCR267168  Atriplex coronata var. notatior D. E. Bramlet 2001-5-8 3138 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, west of Davis Rd. near Marvin Rd. 434 Comment
  UCR103477  Atriplex davidsonii D. E. Bramlet 1995-6-8 2440 Riverside San Jacinto Valley, San Jacinto Wildlife Area, Lovell Unit. The site is located 1.22 km east of Davis Road and 168m south of the existing access road. the site is 549m north of San Jacinto River Channel 435 Comment
  UCR70541  Atriplex davidsonii D. E. Bramlet 1991-6-20 2200 Riverside Perris-Aguanga Basin region, San Jacinto Valley, San Jacinto Wildlife Area: c. 8m east of Davis Rd & 150 m north of the San Jacinto River levee. Old river bed beside the channelized area of the river. 475 Comment
  CDA23270  Atriplex glauca R. E. Riefner Jr. 2002-12-12 02 -521 Riverside Corona; SW side of I-15, along Magnolia Ave. on-ramp. Comment
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Dec 13 2012
  CLARK-A1528-398  Atriplex lentiformis subsp. lentiformis Charlotte Stocks 1964-8-30 Riverside Coachella Valley Comment
  SEINET3105989  Atriplex lentiformis subsp. lentiformis Sears 1978-4-12 1179 Riverside 8 mi. NE of Desert Center, beside roadside. 158 Comment
  RSA735904  Atriplex micrantha Scott D. White, Justin Wood 2008-6-24 12288 Riverside San Timoteo Canyon. Meadow along San Timoteo Creek. 640 Comment
  CAS-BOT-BC176537  Atriplex polycarpa S. B. Parish 1881-8-10 1175 Riverside Indio, Colorado Desert Comment
  RSA0047014  Atriplex polycarpa Sarah J. De Groot, Cheryl S. Sevilla 2014-10-21 7352 Riverside West side of Big Maria Mountains; south of Vidal, just west of Highway 95 but east of powerline, along BLM road EC 472. About 3.2 air miles south of Slaughter Tree Wash; about 0.7 air miles (3700 ft.) west of the Colorado River. 99 Comment
  UCR134587  Atriplex polycarpa Marisa Sripracha, Kyle Boyd 2004-2-14 021 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  UCR121206  Atriplex rosea D. E. Bramlet, D. J. Bradney 1989-7-3 1930 Riverside Perris-Aguanga Basin region, Diamond Valley, just north and east of the Searl Ranch buildings 482 Comment
  SEINET244783  Atriplex serenana A. C. Sanders, K. C. Rose 1999-6-18 22831 Riverside Domenigoni Valley; upper Warm Springs Creek between Hwy 79(Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester. 433 Comment
  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
  UCR121254  Atriplex serenana var. serenana D. E. Bramlet, D. J. Bradney 1989-7-3 1931 Riverside Perris-Aguanga Basin region, Diamond Valley, just north and east of the Searl Ranch buildings 482 Comment
  SD146321  Atriplex suberecta A. C. Sanders, K. C. Rose 1998-5-21 21854 Riverside Hemet; alkaline flats west of town, east of the canal, south of Highway 74 and ca. 0.25 mile west of Warren Road. 456 Comment
  SD181603  Atriplex suberecta Scott D. White 2001-7-9 8722 Riverside Menifee, ca. 1 mile southwest of Bell Mountain and I(c) mile east of I-215 Freeway; Romoland [quad]. Barley field and disused cattle pond. Disturbed area around seasonally pooled place. 445 Comment
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Jan 8 2009
  UCR182322  Atriplex suberecta Mitch Provance 2003-4-18 6605 Riverside San Bernardino Valley, Riverside, Santa Ana River Wash, just under and NE of the Market St. Bridge 244 Comment
  UCR92217  Avena barbata D. L. Banks 1995-4-11 182 Riverside Agua Tibia Mtns. Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, along the Dripping Springs Trail. 780 Comment
  CAS-BOT-BC213222  Ayenia compacta B. D. Stark 1933-5-13 4984 Riverside Andreas Canyon, about 50 feet above stream bed. 762 Comment
  JEPS40702  Baccharis brachyphylla Marjorie D. Clary 1933-1-29 1761 Riverside nw of Indio (Colorado Desert, Santa Rosa Mts, Deep Canyon); Colorado Desert, Santa Rosa Mts., Deep Canyon 304 Comment
  RSA747841  Baccharis brachyphylla Scott D. White, Justin M. Wood 2009-4-29 12626 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  CDA10369  Baccharis emoryi C. R. Tower Oct 1949 Riverside Citrus Experiment Station, Riverside. 0 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-BC106740  Baccharis salicifolia Clare B. Hardham 1956-5-9 641 Riverside Banks of San Marcos Creek near Oak Flat Road Comment
  POM37330  Baccharis salicifolia Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  UCR151973  Baccharis salicifolia Steve Boyd, Aydee Virgen 2004-4-13 10851 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR97295  Baccharis salicifolia Scott D. White 1995-4-5 2730 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  SD136926  Baccharis salicina Steve Boyd 1994-10-14 8377 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon 341 Comment
  SDSU13986  Baccharis salicina Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2110 Riverside North end of second small, dry meadow north of El Valle. Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  UC64843  Baccharis salicina E. A. Zumbro 1904-1-1 415 Riverside Cold Water Basin Santa Ana Mts., Cold Water Basin Comment
  CAS-BOT-BC99876  Baccharis sergiloides Ralph Hoffmann 1931-6-15 s.n. Riverside 49 Palms Canyon near 29 palms Comment
  RSA178645  Baccharis sergiloides C. B. Wolf 1932-10-12 4297 Riverside Above Pinyon Well, Little San Bernardino Mts. 1220 Comment
  SBBG7745  Baccharis sergiloides H. and M. Dearing 1940-11-10 5010 a Riverside Whitewater Comment
  CAS-BOT-BC99961  Baileya pauciradiata H. M. Hall 1905-4-1 5911 Riverside Near Paloverde 91 Comment
  UC30493  Baileya pauciradiata S. B. Parish Apr 4 1896-Apr 13 1896 4125 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. 152 Comment
  CAS-BOT-BC293745  Bebbia juncea Mona Bourell 1987-4-14 3270 Riverside BLM California Conservation Area, Hwy 195, spur off of Box Canyon. Near Mecca 150 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
  RSA92402  Bebbia juncea F. W. Peirson 1924-6-21 4756 Riverside Temescal Canyon, near Elsinore 305 Comment
  CAS-BOT-BC100116  Bebbia juncea var. aspera Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9555 Riverside In wash 1 mile below Cottonwood Springs Comment
  HSC24854  Bebbia juncea var. aspera James Henrickson 1971-4-2 5482 Riverside Hidden Oasis, 13 mi. E of Palm Spring 183 Comment
  RSA588839  Bebbia juncea var. aspera Darin L. Banks, Steve Boyd 1995-10-17 0782 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
  UCR59759  Berberis nevinii Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3055 Riverside Peninsular Range, Vail Lake area, 0.75 mi north of dam, at edge of dissected bench, S flank Oak Mtn. 518 Comment
  UCD110427  Bergia texana D. E. Bramlet; A. C. Sanders, M. Costea, T. Salvato 1999-10-15 2819 Riverside Mystic Lake. This site is 198m S of Gilman Hot Springs Road, 1.22 km NW of Hwy 79 and 2.1 km S of Jackrabbit trail. 433 Comment
  CAS-BOT-BC207046  Bernardia incana Lester Rowntree 1937-11-5 s.n. Riverside Dos Palmas, Santa Rosa Mts. Comment
  POM299247  Bernardia incana Louise Kellogg, Annie M. Alexander 1941-5-23 2220 Riverside North slope of Eagle Mountains. Base of mountain and up canyon to 4500 feet, altitude 3800 feet near mouth of canyon. 1159 Comment
  UC667315  Bernardia incana Annie M. Alexander and Louise Kellogg 1941-5-10 2144 Riverside small canyon 3 mi. n.e. Cottonwood Spring (Eagle Mts.); Colorado Desert, Eagle Mts. 1036 Comment
  CAS-BOT-BC127989  Bidens pilosa J. Ewan 1931-10-3 5223 Riverside Mockingbird Canyon near Arlington Comment
  SDSU11577  Bloomeria crocea Charles F. Phleger 1962-5-23 23 V62 Riverside Collected on land owned by the Schloss Foundation about 25 miles north of Escondido. Comment
  SEINET13297622 Image available Bloomeria crocea T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-1 8361 Riverside Santa Ana Mountains: unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway (Corona South 7.5' Q.) 424 Comment
  CAS-BOT-BC16093  Boechera californica Michael Wall; Lorrae Fuentes 1995-4-13 102 Riverside Santa Rosa Mountains, along Highway 74, 14.8 miles southeast of Highway 243 junction in Mountain Center. Comment
  JOTR33813  Boerhavia coccinea La Doux, Tasha, B. Truesdell 2007-11-9 3328 Riverside Joshua Tree National Park. Eagle Mountains; south of Munsen Canyon, canyon parallel to and east of Lost Palms Canyon along south park boundary (STOP 4) 649 Comment
  JOTR30081  Boerhavia intermedia La Doux, Tasha, Bill Truesdell 2006-10-3 1712 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  HSC79071  Boerhavia triquetra G. K. Helmkamp 1983-10-8 - 19 Riverside TNC Big Morongo Preserve, S of town of Morongo Valley in Big Morongo Canyon, beside pipeline road 762 Comment
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Feb 18 2013
  UCR26125  Boerhavia triquetra John C. Roos 1946-10-26 3140 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns Comment
  SBBG29191  Boerhavia wrightii K. K. Muller 1967-9-14 1420 Riverside 5 mi E of Indio Comment
  RSA613138  Bothriochloa barbinodis D. L. Banks 1997-3-6 1408 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  CDA1760  Bothriochloa ischaemum O. F. Clarke 1967-7-6 C 670706 -1 Riverside At Clarke residence, 1012 Spruce Street, Riverside. 0 Comment
  CLARK-A1656-861  Bouteloua barbata Jon Mark Stewart 1983-10-3 83-89 Riverside Indio Hills Comment
  JOTR30836  Bouteloua barbata var. barbata La Doux, Tasha, Jim Andre 2008-9-16 346 Riverside Joshua Tree National Park. JTNP; NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.534' N 116 03.098' W 1327 Comment
  UCR201433  Bouteloua curtipendula Scott D. White, Justin M. Wood 2008-6-17 12177 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  CAS-BOT-BC95399  Bowlesia incana Steve Boyd 1986-4-2 1597 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park 640 Comment
  JOTR33756  Bowlesia incana La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2754 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  UCR159770  Bowlesia incana Scott D. White 1999-5-2 7281 Riverside Peninsular Ranges: Perris-Aguanga Basin region, Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., c. 1.5 - 2 mi west of I-215 freeway 442 Comment
  JEPS42502  Brandegea bigelovii W. L. Jepson 1928-4-25 12593 Riverside Colorado Desert, Cottonwood Mountains, Cottonwood Spring Cottonwood Spring; Colorado Desert, Cottonwood Mts, Cottonwood Spring 731 Comment
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Oct 9 2010
  PASA1871  Brandegea bigelovii 1928-3-3 Riverside Hidden Springs Canon Col. Desert Comment
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Aug 27 2016
  RSA796749  Brandegea bigelovii J. Andre 2012-4-11 20840 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit. 624 Comment
  CSUSB496  Brassica geniculata K. W. Brown 1966-4-7 S.N. Riverside Highway 71. 0.8 miles E. Dripping Spring Camp (12.4 miles east of Temecula) 487 Comment
  SFV15631  Brassica nigra M. Merchant 1992-4-17 3 Riverside Santa Ana River bottom. End of Rubidoux Ave. in Riverside, 0.5 miles from river. 250 Comment
  UCR50579  Brassica nigra B. G. Pitzer, E. Misquez 1988-2-28 0621 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  RSA0066317  Brassica nigra Steve Boyd, Timothy S. Ross 1990-5-11 4608 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  RSA482938  Brassica rapa N. C. Cooper 1949-3-15 3029 Riverside Palm Springs 122 Comment
  RSA783014  Brassica tournefortii J. Andre 2011-2-9 15931 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  UCR18589  Brickellia arguta John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, rocky canyon 2.5 miles SE of Desert Center 610 Comment
  RSA561424  Brickellia californica Steve Boyd 1992-9-9 7685 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  RSA575884  Brickellia californica Steve Boyd 1981-2-9 s.n. Riverside Gavilan Hills region, southern end of Steele Valley, S of extensive groves and communications site at W base of Steele Peak 610 Comment
  RSA301936  Brickellia desertorum J. R. Shevock 1972-11-14 2314 Riverside Coyote Canyon, Anza Borrego State Park 762 Comment
  RSA191993  Brodiaea coronaria E. W. Lathrop 1960-5-27 5209 Riverside 6 miles west of Murrieta. Comment
  UCR93840  Brodiaea santarosae J. E. Harrison 1996-5-23 s.n. Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: Redonda Mesa 854 Comment
  SD132932  Brodiaea terrestris subsp. kernensis Tim Cass, Fred Sproul 1979-6-1 201 Riverside Mesa de Colorado, Pool A. (IPB 2/08) Comment
  JOTR33679  Bromus berteroanus La Doux, Tasha 2005-9-1 1594 Riverside Joshua Tree National Park. Eagle Mountains, northwest end; 3.5 miles north of Cottonwood Visitor Center; granitic outcrops with sandy wash Comment
  SEINET186317 Image available Bromus berteroanus P. A. Munz 1940-3-24 15706 Riverside Edge of sandy wash 2 mi. north of Cottonwood Springs Eagle Mountains 914 Comment
  UCR2206  Bromus carinatus F. M. Reed 1906-3-4 903 Riverside Riverside, Fairmont Park 244 Comment
  CAS-BOT-BC148742  Bromus carinatus var. marginatus Mary F. Spencer 1919-6-27 1232 Riverside San Jacinot Mountains. Idyllwild. 1615 Comment
  RSA801947  Bromus carinatus var. marginatus LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6158 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  UCR43418  Bromus catharticus B. G. Pitzer 1986-5-24 250 Riverside San Bernardino Mtns, Whitewater Canyon, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to c. 1/4 mi north of hatchery boundary 732 Comment
  RSA775445  Bromus diandrus Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4447 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64313 487 Comment
  UCR92448  Bromus diandrus A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18110 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  UCR104079  Bromus hordeaceus A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20690 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  POM147497  Bromus hordeaceus F. M. Reed 1928-4-18 5860 -B Riverside Vail Ranch west of Aguanga. Comment
  UCD58931  Bromus laevipes A. A. Beetle 1946-6-10 4392 Riverside San Jacinto Mt., San Jacinto Mts. Near Idylewilde. 1219 Comment
  UCR120941  Bromus rubens A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24921 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UC519700  Bromus tectorum Victor Duran 1932-5-18 3218 Riverside San Jacinto Mountains, Idyllwild Idyllwild; San Jacinto Mountains, Idyllwild 1676 Comment
  UCR126487  Bromus tectorum Scott D. White 1995-3-30 2629 .1 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  UC635493  Calandrinia ambigua Margaret Stason 1927-2-12 Riverside 1000-Palm Canyon Colorado Desert Comment
  RSA342515  Calandrinia ciliata R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 52008 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  RSA487459  Calandrinia ciliata Bill Wagner 1988-3-9 s.n. Riverside Intersection of Thompson, Leon, and Winchester Roads, W of Lake Skinner and NE of Murietta. 415 Comment
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Mar 20 2011
  UCR228252  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2011-4-1 38930 Riverside Peninsular Range, Lake Elsinore, near intersection of Pierce St., Baker St., and Nichols Rd., flats at south side of Alberhill Mtn. 389 Comment
  UCR107787  Calocedrus decurrens D. L. Banks 1997-5-5 1960 Riverside NW Palomar Mountains, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, c. 60 m east of its intersection with Pechanga Creek 396 Comment
  UCR24899  Calocedrus decurrens A. C. Sanders 1980-7-18 1632 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  SEINET10531058  Calocedrus decurrens David B. Dunn, L. S. McClung 1939-10-22 Dunn UMO 46538 Riverside Native tree collected in the vicinity of Idylwild in the San Jacito Mts. 2134 Comment
  UCR35291  Calochortus concolor L. B. Ziegler 1969-7-3 382 Riverside San Jacinto Mtns, Hemet Valley. E side of valley. Above Kenworthy Ranger Station. 1585 Comment
  JEPS61706  Calochortus palmeri W. L. Jepson 1901-5-27 1462 Riverside Van Deventer's Ranch San Jacinto Range Comment
  UCR137356  Calochortus palmeri var. munzii 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
  RSA285891  Calochortus splendens D. C. Michener 1982-6-8 4052 Riverside San Jacinto Mts. Slopes on northeast side of Garner Valley immediatly adjacent to valley floor just northwest of jct. of Morris Ranch Road & Ca. 74. Comment
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May 26 2014
  UCR281789  Calochortus splendens Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-19 417- 100 Riverside Menifee Valley, Menifee, W side of Murrieta Rd., between Melido St. and Wickerd Rd. 482 Comment
  UCR60371  Calochortus splendens R. Balsamo 1989-5-7 s.n. Riverside Santa Ana Mtns/Santa Rosa Plateau, The Nature Conservancy's Santa Rosa Plateau Preserve, 4.1 mi west of Hwy I-15 on Clinton Keith Rd., directly across the road from vernal pools 762 Comment
  CAS-BOT-BC483507  Calochortus splendens Steve Boyd 1986-4-22 1761 Riverside Terrace escarpment west side of Indian Wash, south of I-15, Temescal Canyon Comment
  RSA0063080  Calochortus splendens Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 0927 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
  RSA1315  Calochortus weedii J. T. Howell 1928-7-9 1079 Riverside Temecula Grade, 4 miles S of Temecula. 396 Comment
  SD140209  Calycoseris wrightii A. C. Sanders, E. J. Lawlor 1992-4-4 12114 Riverside McCoy Mountains. Within 1/2 mile of McCoy Spring; alluvial slopes below and to the south and canyon bottom above the spring. 244 Comment
  OBI82274  Calystegia macrostegia Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 5 Riverside Peninsular Range; Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  RSA726762  Calystegia macrostegia Scott D. White 1991-5-10 91 -131 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  UC50356  Calystegia macrostegia H. M. Hall Apr., 1903 3802 Riverside vicinity Riverside; vicinity of Riverside 365 Comment
  UCR120957  Calystegia macrostegia A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23887 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR252228  Calystegia macrostegia Marissa Manahan 2011-4-24 s.n. Riverside Mount Rubidoux Park, Riverside, near summit 381 Comment
  RSA612940  Calystegia macrostegia subsp. arida D. L. Banks 1997-3-29 1637 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
  HSC92884  Calystegia macrostegia subsp. intermedia Scott D. White 1996-4-14 3919 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Hwy. 74, 1.7 mi. W of USFS Cranston Fire Station 534 Comment
  SD137801  Calystegia macrostegia subsp. tenuifolia Darin L. Banks 1995-4-11 172 Riverside Agua Tibia Mountains Watershed; Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain; east of the Dripping Springs Alcove Area. 950 Comment
  UCR207596  Calystegia sepium subsp. binghamiae O. F. Clarke 2004-5-31 s.n. Riverside San Bernardino Valley Region, Riverside, along Spring Brook on the west side of Fairmont Park 238 Comment
  UCR273979  Calystegia sepium subsp. binghamiae Mitch Provance 2013-5-29 513- 13 Riverside Santa Ana River Valley, Riverside, Fairmount Park, W side of Lake Evans, W side of Dexter Drive, just SW of the American Legion. 241 Comment
  CSUSB157  Camissonia bistorta John Milbauer 1976-5-12 Riverside Pigeon Pass Road. 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
  RSA465925  Camissonia bistorta Richard C. Barkelew, Mark Morris 1929-3-10 s.n. Riverside Indian Canyon , San Jacinto Mts Comment
  RSA524436  Camissonia bistorta Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4052 Riverside Vail Lake area, E flank of Big Oak Mtn, S of E summit. 610 Comment
  RSA596790  Camissonia bistorta D. L. Banks, K. D. Hedge 1996-5-16 1044 Riverside NW Palomar Mountains; Agua Tibia Mountains; N foothills of Dorland Mtn., S of Temecula Creek; 0.4 miles E of Pauba Road on the N side of Los Caballos Road, along the broad, sandy, southern alluvial bench of Temecula Creek. 370 Comment
  UCR120795  Camissonia bistorta Ian G. Gillespie, Summer Karsh 2000-5-13 40 Riverside San Jacinto Mtns., c. 200 m up Mt. Edna Road off of Hwy 243 on the northern side of the mountains. 1159 Comment
  UCR155048  Camissonia bistorta Jason L. Hlebakos 2005-5-30 823 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UCR180353  Camissonia bistorta Scott D. White, Angelia Carey 2004-4-5 10010 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR232019  Camissonia bistorta John F. Green 2008-4-24 13- 09 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  RSA359857  Camissonia bistorta Steve Boyd 1986-4-2 1629 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA465964  Camissonia boothii subsp. condensata M. B. Dunkle 1933-3-4 3044 Riverside Painted Canyon 30 Comment
  RSA135608  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-1-25 11483 Riverside 11.3 miles W of Shavers Summit. Comment
  RSA80961  Camissonia brevipes subsp. brevipes G. R. Campbell 1952-4-6 18410 Riverside Joshua Tree National Monument. 1.5 miles toward Cottonwood Springs, off road to 29 Palms 976 Comment
  UCR243184  Camissonia campestris Kate Kramer 2012-5-8 261 Riverside Peninsular Range; San Jacinto Mountains, c. 0.25 km east of National Forest Land boundary on north side of Hwy 74 near the Cranston Fire Station 575 Comment
  RSA0029396  Camissonia campestris subsp. campestris Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4680 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  SBBG35222  Camissonia campestris subsp. campestris T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  RSA454742  Camissonia cardiophylla M. B. Dunkle 1932-3-25 2916 Riverside 10 miles NW of Indio. Colorado Desert. 30 Comment
  RSA515202  Camissonia cardiophylla Steve Boyd, Orlando Mistretta 1986-3-13 1476 Riverside West Side Palen Mts: NE of Desert Center; first large canyon at NW tip of western segment of range. Comment
  RSA36072  Camissonia claviformis subsp. aurantiaca C. Epling 1947-03 s.n. Riverside Mojave Desert, south edge of desert at Cottonwood Springs. Comment
  RSA462362  Camissonia claviformis subsp. aurantiaca A. N. Dunn, A. M. Martin 1932-2-26 s.n. Riverside Coachella Comment
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May 24 2012
  RSA776818  Camissonia claviformis subsp. aurantiaca Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1091 Riverside Chuckwalla Mountains, Corn Springs Road; Road crossing of main wash that drains Chuckwallas to the east toward the Chuckwalla Bench 427 Comment
  UCR154747  Camissonia hirtella T. B. Salvato, Kent Beaman 2005-5-16 779 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
  UCR98114  Camissonia hirtella S. J. Myers 1988-6-8 s.n. Riverside Santa Rosa Plateau, Along Via Majorca, between Avenida de Arboles and Paseo Montano, in the 'La Cresta' region 671 Comment
  UCR102932  Camissonia pallida George K. Helmkamp 1998-4-3 3077 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek area north of Mt. San Jacinto; at edge of stream south of Snow Creek Rd at a point 1.4 mi. south of Calif. Hwy 111 396 Comment
  UCR126263  Camissonia pallida Nathan Moorhatch, John Green 2003-4-2 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Whitewater River channel at Date Palm Drive in Cathedral City 91 Comment
  POM46831  Camissonia pallida subsp. pallida Mary F. Spencer 1920-3-20 1485 Riverside In desert sand. Palm Springs. Colorado Desert. California Comment
  UCR269111  Camissonia pallida subsp. pallida Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4465 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 488 Comment
  RSA480033  Camissonia refracta Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2160 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  POM204502  Camissonia strigulosa Hibbard 1934-11-1 s.n. Riverside San Jacinto Mts. Comment
  UCR265601  Camissoniopsis Jordan Zylstra 2014-3-18 14001 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  SDSU3328  Camissoniopsis bistorta H. Wedberg 1958-3-30 196 Riverside City of Perris At Cajalco Road (Lake Mathew road) roadside, 6.1 mi west of Hwy 395 and 0.2 mi. west of Cajalco Fire Station. 458 Comment
  UCR261170  Camissoniopsis bistorta A. C. Sanders, Katie Young, John Hale 2015-4-22 41605 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  UCR260856  Camissoniopsis hirtella A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41425 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UCR244377  Camissoniopsis pallida Jim Andre 2012-4-16 20945 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
  UC668392  Camissoniopsis pallida subsp. hallii Annie M. Alexander and Louise Kellogg 1941-4-24 2072 Riverside gorge of Dry Morongo Creek Mohave Desert, Morongo Valley 640 Comment
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Sep 18 2012
  UC1122272  Camissoniopsis pallida subsp. pallida H. S. Yates 1937-3-23 6401 Riverside 2 mi n Palm Springs; San Jacinto Quadrangle Comment
  UC172909  Camissoniopsis pallida subsp. pallida E. E. Schellenger 1911-4-25 Riverside Point of Rocks Colorado Desert, Whitewater Wash Comment
  UCR165697  Camissoniopsis pallida subsp. pallida A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16289 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR262268  Carduus pycnocephalus A. C. Sanders 2006-5-13 32278 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR26907  Carex athrostachya A. C. Sanders 1980-7-18 1682 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  UCR68861  Carex barbarae Steve Boyd, T. S. Ross 1990-5-11 4663 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  UC146421  Carex heteroneura Charlotte M. Wilder 1909-7-11 915 Riverside Round Valley, San Jacinto Mts. Comment
  SEINET13371260  Carex hoodii P. F. Zika, Nick Otting 2010-8-30 25236 Riverside Vicinity of Willow Creek, W, San Jacinto Wilderness Area, San Jacinto Mountains, Peninsula Ranges. 2550 Comment
  CAS-BOT-BC118513  Carex praegracilis A. C. Sanders; Steve Boyd 1980-5-19 1501 Riverside San Jacinto Mountains, Garner Valley. W of Kenworthy Ranger Station. 1371 Comment
  CAS-BOT-BC117865  Carex sartwelliana S. Parish 1892-1-1 s.n. Riverside San Jacinto Mountains. Comment
  CAS-BOT-BC94055  Carex sartwelliana Peter F. Zika; Nick Otting; Kate Kramer 2010-8-6 25301 Riverside bridge over N Fork San Jacinto River, Dark Canyon, at campground, San Jacinto Mountains (SnJt) 1785 Comment
  UC1792818  Carya illinoinensis A. C. Sanders, T. B. Salvato 2003-5-6 26558 Riverside San Bernardino Valley Region: Riverside, west edge of the UCR campus, lower drainage of Big Springs Canyon, near intersections of Canyon Crest Dr. and University Ave 320 Comment
  UCD110244  Carya illinoinensis A. C. Sanders; T. B. Salvato 2003-5-6 26558 Riverside San Bernardino Valley Region: Riverside, west edge of the UCR campus, lower drainage of Big Springs Canyon, near intersection of Canyon Crest Dr. and University Ave. 320 Comment
  JEPS46518  Castela emoryi James Rennie 1916-6-15 Riverside in hayfield in Chuckwalla Mts.; in hayfield in Chuckwalla Mts. Comment
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May 6 2009
  RSA792471  Castela emoryi Justin M. Wood, Dustin Ray 2011-4-28 3836 Riverside Sonoran Desert: Chuckwalla Valley: 6.5 miles north of Desert Center on Kaiser Road, +/- 0.4 miles northeast of bend in road. 202 Comment
  SEINET3079495 Image available Castilleja affinis Don Mitchell 1990-4-30 Riverside W. side of Sage Road, ca 1/2 mi. S of intersection with Wilson Valley Road. (Sage 7.5' quad) 701 Comment
  POM11505  Castilleja applegatei subsp. martinii Philip A. Munz 1922-7-7 6036 Riverside Above Tamarrack Valley. 2927 Comment
  POM19581  Castilleja applegatei subsp. martinii Mary F. Spencer 1923-7-18 2233 Riverside San Jacinto Mts. 2439 Comment
  UCR133981  Castilleja foliolosa Mitch Provance, J. S. Ross 1998-3-27 MOR- 974 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon at mouth of Corral Canyon, c. 1 mile NW of VABM Mil (Peak 3620) 915 Comment
  UC857440  Caulanthus cooperi K. Watkins and E. McClintock 1937-4-10 Riverside Palms-to-Pines Highway near road to Shumway; near road to Shumway Comment
  UC56735  Caulanthus hallii W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1902 Riverside Santa Rosa Mt., Coyote Canyon 1584 Comment
  RSA543775  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6022 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR86328  Caulanthus heterophyllus Karin Cleary 1992-4-6 117 Riverside near top of ridge west of California St., [Reinhardt Canyon] Hemet 610 Comment
  RSA398818  Ceanothus cordulatus Elbert Benjamine 1929-5-19 211 Riverside Mt. San Jacinto. Comment
  RSA606766  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27353 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  UCR91416  Ceanothus crassifolius Scott D. White 1995-4-5 2704 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  SD229236  Ceanothus cuneatus var. cuneatus Dick Schwenkmeyer 2012-3-26 679 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  RSA336411  Ceanothus greggii var. perplexans Robert F. Thorne, R. Whittaker, A. Shmida 1978-4-23 52083 Riverside Pinyon Flats: along Hwy 74, Santa Rosa Mountains. Comment
  UCR178852  Ceanothus integerrimus Mitch Provance, Tracy Tennant 1998-6-16 MOR- 397 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just north of tree stand M-09 1280 Comment
  UCR268306  Ceanothus leucodermis Jim Andre 2012-6-15 30511 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  UCR92191  Ceanothus leucodermis D. L. Banks, Steve Boyd 1995-3-16 0098 Riverside Peninsular Range, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, Arroyo Seco drainage. 549 Comment
  RSA570552  Ceanothus ophiochilus Steve Boyd, Chris Frazier 1993-4-24 8011 Riverside Palomar Range south of Vail lake at north base of Agua Tibia Mountain, Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extendng south from end of Woodchuck Road 1000 Comment
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Aug 8 2008
  RSA0019595  Ceanothus palmeri Scott D. White, Justin M. Wood 2008-6-5 12059 Riverside San Jacinto Mountains: Hwy 243 near Poppet Flats 1305 Comment
  CAS-BOT-BC51923  Ceanothus perplexans S. B. Parish 1908-4-6 6895 Riverside Eden Hot Springs Comment
  HSC101779  Ceanothus perplexans J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13200 Riverside 1470 Comment
  SJSU9906  Ceanothus perplexans T. G. Balgooyen 1966-5-5 Riverside 20 mi S of Palm Springs 1219 Comment
  UCSB3901  Ceanothus perplexans Gill, Robert 1960-3-23 Riverside Snow Canyon, near end of raod 563 Comment
  UCR26628  Ceanothus spinosus E. W. Lathrop 1966-3-30 6120 Riverside Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso & Santiago Peak 1220 Comment
  UCR81115  Ceanothus spinosus Steve Boyd, Orlando Mistretta 1992-4-22 7009 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  RSA755430  Celtis australis O. F. Clarke 2003-10-6 s.n. Riverside Riverside, UCR campus 366 Comment
  UCR23844  Cenchrus ciliaris John C. Roos 1965-10-17 s.n. Riverside Sonoran (Colorado) Desert, roadside 20 miles west of Blythe 120 Comment
  UCR174375  Centaurea melitensis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32623 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 591 Comment
  RSA425055  Centaurium venustum E. Misquez 1987-5-16 8 Riverside Santa Ana Mountains, Walker Basin; 2 miles on Avenida de Oro from Jct with Rancho California road and 4.7 miles west of Interstate 15. 415 Comment
  RSA554092  Centaurium venustum R. Montijo 1991-7-10 91 -19 Riverside Santa Rosa Plateau, Avenida Escalera, N of Tenaja Road and ca. 1 mile NE of Squaw Mountain. 610 Comment
  SEINET8583414  Centaurium venustum H. M. Hall 1905-4-30 5915 Riverside Palisade. 76 Comment
  CAS-BOT-BC279120  Centromadia pungens subsp. laevis D. Bramlet 1989-8-7 1938 Riverside Southwest corner of Lake Elsinore, 700m. northwest of Rome Hill, just off private drive (Lucerne St.?), some 400m. east of Grand 428 Comment
  RSA736001  Centromadia pungens subsp. laevis Scott D. White, Justin M. Wood 2008-6-26 12293 Riverside Perris Basin: I-215 just N of San Jacinto River crossing. 431 Comment
  UCR266416  Centromadia pungens subsp. laevis D. E. Bramlet 2005-6-28 3882 Riverside Murrieta, Elm St. NE of I-15, just S of I-215 junction 329 Comment
  POM115607  Centrostegia thurberi A. M. Alexander, Louise Kellogg 1941-5-15 2176 Riverside north base of Eagle Mountains. 915 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
  JEPS86544  Chaenactis artemisiifolia Roy E. Buck 1988-5-28 911 Riverside near top of grade w of Lake Elsinore (on e-facing slope above CA Hwy 74, 2.0 air km nw of confluence of Harlan Canyon & Johnson Canyon drainages, 7 air km w of L. Elsin. town); Elsinore Mountains Comment
  POM17803  Chaenactis artemisiifolia Philip A. Munz 1923-6-14 7057 Riverside Glen Ivy Trail to Santiago Peak 1066 Comment
  RSA68347  Chaenactis artemisiifolia G. R. Campbell 1951-5-30 16159 Riverside 9 miles west of Anza. 1067 Comment
  SBBG101702  Chaenactis artemisiifolia S. Boyd with T. Ross, M. Hammitt 1991-5-2 6101 Riverside Vail Lake region, Billy Goat Mtn, ca. 3 mi N of Hwy 79, ca. 1 mi W of Hwy 371, N of Aguanga; T8S, R1E, W1/2 S15 600 Comment
  UCR52236  Chaenactis carphoclinia var. carphoclinia Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2148 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  CAS-BOT-BC276940  Chaenactis fremontii Lewis S. Rose 1937-4-9 37094 Riverside Cabazon 563 Comment
  SEINET7988559  Chaenactis fremontii Ana Lilia Reina G. 2003-3-31 2003 -325 Riverside Palm Spring, Palm Spring 159 Comment
  UC64805  Chaenactis fremontii E. E. Schellenger 1904-4-10 76 Riverside bet. Whitewater and Banning; Colorado Desert Comment
  UCR177856  Chaenactis fremontii Marisa Sripracha, K. A. Boyd 2004-3-21 039 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UCR263245  Chaenactis fremontii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41470 Riverside San Gorgonio Pass, near San Gorgonio River wash, c. 2.88 miles ESE of Cabazon, c. 1 mi. NNW (338 deg. ) of One Horse Spring, south of I-10 and east of water bottling plant, edge of wind farm 454 Comment
  RSA0103446  Chaenactis glabriuscula var. lanosa Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8564 Riverside Garner Valley; west side of the highway, approximately 3.75 air miles southeast of Lake Hemet. 1370 Comment
  SEINET2029696 Image available Chaenactis glabriuscula var. lanosa C. L. Hitchcock 1940-4-12 6038 Riverside 8 miles northwest of Elsinore Comment
  SBBG65592  Chaenactis parishii R. Hoffmann 1929-9-10 Riverside San Jacinto Mtns 2286 Comment
  UCR18007  Chaenactis parishii A. C. Sanders 1976-3-18 084 Riverside San Jacinto Mtns., S end of Vandeventer Flat, above Coyote Creek [on or near BLM land, probably near Garnet Queen Creek confluence with Coyote Cr.] 1463 Comment
  RSA777675  Chaenactis stevioides Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 965 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. 243 Comment
  SD258315  Chaenactis stevioides J. M. Andre 2013-3-21 24398 Riverside Grommet; West Riverside Mountains; At base of NW corner of range where sand rumps run up against granitic bouldery slopes, about 10 mi SW of Vidal Jct, 3 mi south of Grommet RR xing at Hwy 62 363 Comment
  RSA792549  Chamaesyce abramsiana Duncan S. Bell 2012-9-13 4176 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
  RSA544306  Chamaesyce maculata Steve Boyd 1991-7-13 6412 Riverside Peninsular Range Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road. Comment
  RSA0111977  Chamaesyce polycarpa Duncan S. Bell 2009-8-15 415 Riverside Northwest of the Arica Mountains. 286 Comment
  SBBG67758  Chamaesyce polycarpa R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  UC869060  Chamaesyce polycarpa Lewis S. Rose 1938-12-24 38347 Riverside 19 mi e Indio (Blythe Rd) 3 Comment
  CDA4865  Chamaesyce prostrata R. D. Goeden, D. W. Ricker 1965-6-18 s.n. Riverside North side of Blaine Street just west of Gage Canal, Riverside. Comment
  RSA608166  Chamaesyce setiloba Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10052 Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  RSA0065478  Cheilanthes californica W. A. Peard 1949-2-4 s.n. Riverside Kroonen Canyon, Corona. 335 Comment
  UC42441  Cheilanthes covillei Mrs. Gregory 1891-1 Riverside San Jacinto Mts Comment
  UCR121309  Cheilanthes covillei A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25011 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  CAS-BOT-BC70292  Cheilanthes newberryi C. G. Pringle March 28 s.n. Riverside Riverside Comment
  CAS-BOT-BC70336  Cheilanthes parryi Milo S. Baker 1928-4-3 3292 a Riverside Palm Canyon Comment
  JOTR36468  Cheilanthes parryi La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3437 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  RSA597245  Cheilanthes viscida A. C. Sanders, G. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15899 Riverside San Jacinto Mountains/Colorado Desert: Chino Canyon near Palm Springs, 1.8 miles above Palm Canyon Road (Hwy 111) on the road to the tram station, vicinity of the upper end of the flood control dike. 548 Comment
  CAS-BOT-BC168091  Chenopodium A. C. Sanders 2001-11-25 24888 Riverside Moreno Valley, Hope Depot at Pigeon Pass Rd. on north side of Hwy 60 503 Comment
  RSA666517  Chenopodium Mitch Provance 2000-10-28 2269 Riverside Sunnyslope, residential areas near the Ormand Quarry. 274 Comment
  CLARK-A1528-2555  Chenopodium album John C. Roos 1951-9-25 5295 Riverside Riverside 259 Comment
  UC1929842  Chenopodium album Scott D. White, Angelia Carey 2004-7-2 10555 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation. Poppet Creek Canyon. Comment
  UCR114198  Chenopodium berlandieri A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23631 Riverside Perris-Aguanga Basin Region, Romoland, Menifee Rd. just north of Hwy 74 451 Comment
  JOTR29179  Chenopodium fremontii La Doux, Tasha 2003-9-24 1256 Riverside Joshua Tree National Park. Queen Mountain, Trail to Barker Dam (stop 1) 1296 Comment
  RSA676093  Chenopodium murale Scott D. White 2001-4-12 8316 Riverside Colorado Desert: Shaver s Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  UCR148847  Chenopodium murale Chet McGaugh 2005-1-5 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 1 mi. north of the Imperial Co. line along Coachella Canal right-of-way 21 Comment
  CSUSB732  Chilopsis linearis K. A. Lamb 1968-4-21 680421 4 Riverside Colorado Desert Approx. 10 miles northeast Mecca on Highway 195, Colorado Desert wash. Comment
  CSUSB734  Chilopsis linearis Margaret-Lee Dean 1965-4-15 S. N. Riverside Box Canyon, 8 miles east of Mecca on Highway 195. Desert wash. 60 Comment
  RSA777289  Chilopsis linearis Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4551 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET9118971  Chilopsis linearis E. Adams 1978-1 Riverside Mecca, Box Canyon. Desert wash. Comment
  JOTR32319  Chilopsis linearis subsp. arcuata Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  UCR261364  Chilopsis linearis subsp. arcuata A. C. Sanders, Katie Young, John Hale 2015-4-22 41610 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1.2 km NW (296 deg. ) of One Horse Spring 461 Comment
  UCR50730  Chloracantha spinosa Don Pendleton 1988-5-17 s.n. Riverside Sonoran (Colorado) Desert, just west of Blythe along canal near Hobson Way. 75 Comment
  CLARK-A1528-4574  Chloris virgata John C. Roos 1952-9-3 5897 Riverside Riverside 304 Comment
  RSA192142  Chlorogalum pomeridianum H. A. Zuill 1966-6-23 239 Riverside 9.5 miles SW of Murrieta. Comment
  RSA0123280  Chorizanthe brevicornu Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8993 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA496748  Chorizanthe brevicornu A. C. Sanders 1988-5-11 7805 Riverside Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal in a wash E of the gasline road from Niland. 549 Comment
  RSA676158  Chorizanthe brevicornu Scott D. White 2001-4-3 8256 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA191737  Chorizanthe brevicornu var. brevicornu Robert F. Thorne 1963-3-29 32388 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  RSA0107468  Chorizanthe corrugata Duncan S. Bell, Amanda Turek 2009-3-29 156 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  UCR33682  Chorizanthe corrugata Faulkner 1978-3-30 409 Riverside Sonoran (Colorado) Desert, 1 mi north of Riverside Mtns., bench area, 4 mi south of Vidal 146 Comment
  RSA185  Chorizanthe fimbriata J. T. Howell 1928-7-9 1081 Riverside Southern Riverside Co. on road between Temecula and Fallbrook. 366 Comment
  UCD169658  Chorizanthe fimbriata R. F. Thorne; E. W. Lanthrop, W. Wisura 1977-7-8 49557 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. 880 Comment
  SD262352  Chorizanthe leptotheca Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417 65 Riverside Temescal Valley: Indian Wash, SW of I-15, S sie of De Palma Rd. 700-1100 ft WNW of inter. with Glen Eden Rd (Aberhill 7.5'Q) Habitat steadily encroached upon by enormous debris piles from the south since 2011. 366 Comment
  CAS-BOT-BC252784  Chorizanthe parryi var. parryi Clare B. Hardham 1962-6-6 8951 Riverside Flats north of town and Lake Elsinore Comment
  RSA785185  Chorizanthe parryi var. parryi D. E. Bramlet 1992-4-23 2238 Riverside Double Butte Park, in bowl area between the Double Buttes, c. 610 m north of the edge of the old landfill, and 107 m east of the existing (eastern) access road 500 Comment
  SD137672  Chorizanthe polygonoides var. longispina Darin L. Banks, Steve Boyd 1995-5-9 317 Riverside NW Palomar Mountains, north of the Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, the Dorland Mountain area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground 730 Comment
  UCR213674  Chorizanthe polygonoides var. longispina Michael Honer 2003-4-16 1828 Riverside Peninsular Range, Gavilan Hills, west slope, about 1 mile north of I-15 Fwy, 1 mi. east of Lake St. exit, on and around peak 2349 716 Comment
  UCR217660  Chorizanthe polygonoides var. longispina Ana Hernandez 2010-3-22 015 Riverside Perris-Aguanga Basin, French Valley, 1.05km south of Scott Rd. and 650m west of Leon Rd. 432 Comment
  CAS-BOT-BC248060  Chorizanthe xanti var. leucotheca S. B. Parish 1907-4-19 6168 Riverside Palm Springs, Western edge of the Colorado Desert 200 Comment
  POM351972  Chrysothamnus nauseosus subsp. bernardinus N. R. Zabriskie, W. M. Zabriskie 1971-8-21 434 Riverside Toro Peak, Santa Rosa mtns 2657 Comment
  UCD103716  Chylismia brevipes LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1408 Riverside Colorado Desert. Chocolate-Chuckwalle Mountains region. Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 479 Comment
  JEPS121571  Chylismia cardiophylla subsp. cardiophylla Adam C. Schneider with Will Freyman 2014-2-16 384 Riverside Box Canyon Road. Comment
  RSA0034157  Chylismia cardiophylla subsp. cardiophylla M. Bourell 04141987 Riverside BLM California Conservation Area, Hwy 195. Spur off of Box Canyon, near Mecca. 150 Comment
  SBBG35540  Chylismia claviformis D. Myrick 1966-4-1 1317 Riverside slope adjoining Linda Vista Lodge, Desert Hot Springs Comment
  UC635282  Chylismia claviformis subsp. aurantiaca H. L. Mason 1928-3-11 4242 Riverside desert flats near Indio Comment
  UC68521  Chylismia claviformis subsp. aurantiaca H. M. Hall Apr. 1905 5835 Riverside near Mecca; Colorado Desert -30 Comment
  UC1535382  Cirsium occidentale var. californicum A. C. Sanders and B. Pitzer 1987-4-21 7048 Riverside near southernmost radio towers Box Springs Mountains; , Riverside East Quad. 792 Comment
  RSA562465  Cirsium occidentale var. occidentale Steve Boyd, Timothy S. Ross 1992-5-5 7224 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  CAS-BOT-BC286382  Cirsium occidentale var. venustum J. E. Cole 1942-5-10 958 Riverside Joshua Tree National Monument 1341 Comment
  SBBG133363  Cirsium scariosum var. citrinum S. D. White, J. M. Wood 2008-5-15 11975 Riverside Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom, San Jacinto Mtns 1357 Comment
  UCR178415  Cirsium vulgare 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
  POM98805  Cistanthe ambigua P. A. Munz 1926-1-31 9982 Riverside Clay hills, west of Dos Palmos, Colorado Desert. Comment
  CAS-BOT-BC438848  Cistanthe monandra Ivan Johnston 1917-4-4 1109 Riverside Colorado Desert. Near Palm Springs Comment
  CAS-BOT-BC438856  Cistanthe monandra Cecil Hart 1926-3-9 s.n. Riverside Between Whitewater & Indio Comment
  RSA583357  Cistanthe monandra Steve Boyd, Darin Banks 1995-4-5 8422 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  RSA747969  Cistanthe monandra Justin M. Wood 2009-5-11 685 Riverside Morris Ranch Rd., roadside just E of Tripp Meadow. 1616 Comment
  CAS-BOT-BC172108  Clarkia dudleyana Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  POM3017  Clarkia dudleyana H. M. Hall 1901-06 2265 Riverside In San Jacinto Mountains, canyons of the west side. 1524 Comment
  UCR158277  Clarkia epilobioides A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30094 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
  RSA674597  Clarkia purpurea subsp. quadrivulnera Scott D. White 2000-8-5 8103 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  SEINET7048192  Clarkia purpurea subsp. quadrivulnera Steven R. Hill, Andrew C. Sanders 2001-5-4 33701 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  UCR101464  Clarkia similis A. C. Sanders 1997-4-10 20329 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  RSA0059956  Clarkia unguiculata J. C. Roos, L. Roos 1952-4-28 5587 Riverside South side Fairount Park. 259 Comment
  POM307314  Claytonia parviflora subsp. parviflora Henry J. Ramsey, Henry J. Ramsey 1938-4-22 2225 Riverside Santa Rosa Mts. Comment
  SDSU20274  Claytonia parviflora subsp. parviflora Adrienne D. Russell, Tahirch Linz & Matt Guilliams 2000-4-29 127 Riverside Santa Margarita Ecological Reserve, Temecula, insect trail, mapping project for plant taxonomy class. 357 Comment
  RSA0013150  Claytonia parviflora subsp. viridis LeRoy Gross, Duncan S. Bell 2013-4-30 6034 b Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  OBI30244  Clematis lasiantha C. L. Weidert 1966-2-9 6 -Jan Riverside Santa Ana cyn 200 yds E of Orange-Riverside county line, across from Green river Golf course Comment
  SD136775  Clematis ligusticifolia Steve Boyd, T. Ross, D. Bramlet 1992-9-9 7676 Riverside San Mateo Canyon Wilderness, Upper San Mateo Canyon, top of Tenaja Falls 671 Comment
  CLARK-A1528-3853  Clematis pauciflora John C. Roos 1943-8-8 2700 Riverside San Jacinto Mountains Comment
  SDSU13525  Clematis pauciflora W. Miller with C. Mosse 1972-7-20 Riverside Comment
  UCR113538  Clematis pauciflora Mitch Provance 1998-6-6 689 B Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  UCSB9195  Clematis pauciflora Eater, John 1966-3-18 Riverside Lower San Juan Campground; 16.8 miles east on Route 74 off of US 101 Comment
  POM305714  Collinsia concolor Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1025 Riverside Hemet-Anza, Bautista Creek Road. Comment
  RSA359865  Collinsia concolor Steve D. Boyd 1986-4-2 1616 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UCR84599  Collinsia heterophylla Scott D. White, S. Ogg 1994-4-21 1967 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  OBI10312  Colubrina californica Annie M. Alexander, Louise Kellogg 1941-5-20 2206 Riverside Camy cr, SE Eagle Mts Comment
  CAS-BOT-BC520440  Condalia globosa var. pubescens A. C. Sanders; Tim Thomas; T. B. Salvato 2012-11-1 40512 Riverside Sonoran (Colorado) Desert: Chuckwalla Bench, S of the Chuckwalla Mtns., along Bradshaw Trail 1.5 km NW of Augustine Rd jct., large wash on SW side of road 726 Comment
  RSA463104  Conium maculatum Steve Myers 1987-6-24 s.n. Riverside Murrietta Creek, at confluence with Temecula Creek, near the town of Murrieta. 290 Comment
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May 6 2020
  CAS-BOT-BC286037  Conyza canadensis S. B. Parish 1912-10-12 8358 Riverside Salton Basin. Mecca -57 Comment
  UCR93031  Conyza coulteri Steve Boyd, D. L. Banks 1994-9-29 8367 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  UCR133636  Cordylanthus nevinii I. W. Clokey, E. G. Anderson 1935-8-21 6904 Riverside San Jacinto Mtns., Fuller's Creek 1585 Comment
  UCR227723  Cordylanthus rigidus Duncan S. Bell, Joy England 2010-6-7 1274 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 3 air miles southeast of the junction of Hwy 74 and Forest Service Road 5S15 1057 Comment
  JOTR29264  Cordylanthus rigidus subsp. setiger La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 1377 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  SDSU13522  Cordylanthus rigidus subsp. setiger W. Miller with C. Mosse 1972-7-20 Riverside Just past Eucalyptus trees at north boundary (west of trees.) Comment
  RSA757614  Coreopsis bigelovii LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4344 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
  UCD143009  Coreopsis bigelovii Raymond A. Evans 1999-3-1 s.n. Riverside North of Palm Springs, mouth of White Water Canyon. Comment
  UCR70724  Coreopsis bigelovii Ora M. Clark 1929-2-23 1562 Riverside Sonoran (Colorado) Desert, north of White Water Comment
  UC1292297  Coreopsis californica var. californica C. L. Hitchcock and C. V. Muhlick 1964-3-17 23091 Riverside 3 mi se Glen Ivy Hot Springs Comment
  UC1608247  Coreopsis californica var. californica Steve Boyd, Tim Ross, and Orlando Mistretta 1992-2-26 6701 Riverside on broad sandy bench near coordinates given Santa Ana Mountains, San Mateo Cyn. Wilderness Area (San Mateo Cyn from Fisherman's Camp downstream to confluence with Bluewater Cyn. T7S R5W sec.28-29) 304 Comment
  POM319727  Corethrogyne filaginifolia Patricia Wilder 1971-11-17 5348 Riverside Along the Santa Ana River at end of Pedlay Sreet, north of Norco. 198 Comment
  POM49860  Corethrogyne filaginifolia P. A. Munz, I. M. Johnston 1924-7-29 8858 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  UC63198  Corethrogyne filaginifolia H. M. Hall 1899-1-1 Riverside Riverside Comment
  SD229080  Corethrogyne filaginifolia var. filaginifolia Dick Schwenkmeyer 2012-8-28 812 Riverside Fuller's Mill camp, 2.6 mi. east of intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  CAS-BOT-BC300510  Correa O. F. Clarke 2008-1-3 s.n. Riverside Peninsular Range; foothills of Box Springs Mtns.: Riverside, Watkins Drive 351 Comment
  RSA586870  Cotula australis D. L. Banks, Steve Boyd 1995-5-3 0289 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  SD181709  Cotula australis Scott D. White 1999-5-2 7286 Riverside Perris/Sun City area, just east of Goetz Road and south of Ethanac Road, ca. 1.5-2.0 miles west of I-215. 440 Comment
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Oct 28 2016
  CAS-BOT-BC427917  Crassula connata Steve Boyd 1986-4-2 1630 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  POM1490A  Crassula connata Robinson, Crocker s.n. Riverside Elsinore Region; along edge of lake Comment
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Mar 15 2014
  UCR84600  Crassula connata Scott D. White, S. Ogg 1994-4-21 1968 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA679819  Crassula connata LeRoy Gross, Valerie Soza 2003-5-8 830 Riverside North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  UCR110918  Cressa truxillensis A. C. Sanders, K. C. Rose 1999-6-18 22820 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR266332  Cressa truxillensis D. E. Bramlet 1992-5-15 2283 Riverside Perris-Aguanga Basin region, Pipeline seep located south of Lakeview Hot Springs and just south of the MWD access road, some 833 m. west of the San Jacinto River and 433 m east of the intersection of Pozos Rd. and the MWD pipeline maintenance road Comment
  UCR59801  Cressa truxillensis Jeri Hirshberg 1989-7-20 s.n. Riverside Vicinity of Lake Skinner: drainage west of dam Comment
  JEPS13812  Crossosoma bigelovii Marjorie D. Clary 1932-1-22 657 Riverside sw Coral Reef (canyons at base of mts.); Santa Rosa Mountains, Coachella Valley Comment
  RSA716254  Crossosoma bigelovii W. M. Zabriskie 1973-2-22 128 Riverside Pipistrelle Canyon 75 yards before it turns east, Deep Canyon drainage, N slope of Santa Rosa Mountains 549 Comment
  POM91962  Crossosoma bigelovii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  SEINET7863222 Image available Croton californicus J. Andre, G. L. Clifton 2011-2-22 17471 Riverside Coachella Valley; just south of Hwy I-10 at Amtrak train station parking , just west of N. Indian Cyn Drive. 7.5' Quad: Desert Hot Springs. 186 Comment
  RSA145912  Croton californicus var. mohavensis William M. Klein 1958-2-11 36 Riverside 2.6 miles E of Cabazon on Highway 70-99; along side of road 545 Comment
  SEINET9255231 Image available Croton californicus var. mohavensis Nancy Ryan Zabriskie 1970-12-29 333 Riverside Beside Andreas Canyon Club entrance gate on South Palm Canyon Drive, Palm Canyon watershed, east slope San Jacinto Mtns. 168 Comment
  RSA38278  Croton californicus var. tenuis P. A. Munz 1946-10-18 11561 Riverside Round-top hill northwest of Aguanga. 793 Comment
  UCR18826  Croton setiger John C. Roos 1965-7-27 s.n. Riverside Elsinore Comment
  SD181767  Crypsis schoenoides A. C. Sanders, Mitch Provance 1999-9-26 23082 Riverside San Jacinto Mountains, McMullen Flat at Valley High County Park, 0.7 miles southeast of Highway 74 on Twin Pines Ranch Road; Lake Fulmor 7.5' quad. At margins of dried pool. 1182 Comment
  RSA550282  Cryptantha angustifolia W. Wisura, John Dolan, Michael Wall 1992-3-24 4614 Riverside Lowdesert: 4.7 mi NE of Mecca on Box Canyon Rd. Comment
  RSA796021  Cryptantha angustifolia Duncan S. Bell 2009-4-18 242 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  UCR104845  Cryptantha angustifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2668 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UCR20836  Cryptantha angustifolia A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1306 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  CDA40488  Cryptantha barbigera T. C. Fuller 1962-4-4 7990 Riverside West of Highway 99 [later renumbered Highway 86] to Indio, 1.3 miles north of Oasis. 0 Comment
  HSC78877  Cryptantha barbigera R. F. Thorne, Drs. Fosberg, Sachet, Herbst 1983-4-23 55418 Riverside Mouth of Whitewater Canyon, E of Whitewater Post Office at S end of ridge, in sandy wash E of bridge, and on base of W-facing slope of ridge 412 Comment
  UCR216506  Cryptantha barbigera Tasha La Doux, Jim Andre 2009-3-10 384 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UCSB38658  Cryptantha barbigera Cowan, Clark 1978-4-23 Riverside 12.1 mi (19.2 km) S on Hwy. 74 from jct. with Hwy. 111 at Indian Wells 950 Comment
  RSA0031380  Cryptantha clevelandii E. W. Lathrop 1966-5-8 6413 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  CAS-BOT-BC218862  Cryptantha costata A. C. Sanders 2010-3-15 37407 Riverside Sonoran (Colorado) Desert: pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains 152 Comment
  RSA0029394  Cryptantha costata Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4682 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
  UCR232396  Cryptantha costata Dave Silverman 2010-3-23 7819 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, dunes at SSE tip of Palen Lake, 1.7 km SW of Palen Dunes Dr., 3.3 km N of I-10 and 8 km ESE of Sidewinder Well 128 Comment
  SEINET200257  Cryptantha dumetorum Francia Chisaki, Peter M. Ray 1952-4-6 2199 Riverside Joshua Tree National Monument ; About 0.25 mile west of Cottonwood Springs. Comment
  UCR256892  Cryptantha inaequata Duncan S. Bell, Evan Meyer 2014-4-2 6500 Riverside Sonoran (Colorado) Desert, Orocopia Mountains Wilderness Area, southern section of range; c. 1 air mile NW of Canyon Spring 422 Comment
  OBI77738  Cryptantha intermedia David J. Keil, Malcolm McLeod 1979-3-18 12971 Riverside Alberthill jctn along hwy 71 366 Comment
  SD133160  Cryptantha intermedia Scott White 1991-5-13 91 112 Riverside Highway 79, immediately west of U.S. Forest Service Campground at Dripping Springs 548 Comment
  SD185168  Cryptantha intermedia T. B. Salvato, Kent Beaman 2005-5-16 801 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA. 74. 548 Comment
  SD4198  Cryptantha intermedia Fidella G. Woodcock 1928-4-27 Riverside Base of San Jacinto Mountains near Hemet Comment
  UCR231803  Cryptantha intermedia Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 09 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  UCR58484  Cryptantha intermedia Ed LaRue 1989-5-17 s.n. Riverside San Bernardino Mtns, hills east of Beaumont, along Potrero Creek, one-half mi. east of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  JOTR29433  Cryptantha maritima La Doux, Tasha, M. Bell, B. Truesdell 2006-3-22 1367 Riverside Joshua Tree National Park. East Wide canyon 499 Comment
  POM369474  Cryptantha maritima M. B. Dunkle 1932-3-25 2903 -b Riverside Near Cathedral Canyon 152 Comment
  RSA777771  Cryptantha maritima Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 978 Riverside Road to Priest's Well, east side of Arica Mountains 488 Comment
  RSA80741  Cryptantha maritima F. W. Peirson 1919-4-13 1027 Riverside first canyon east of Palm Canyon, Palm Springs region. Comment
  UC24836  Cryptantha micrantha Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains Comment
  POM13688  Cryptantha micrantha var. lepida E. C. Jaeger 1921-6-20 s.n. Riverside Caramba., [Caramba Camp, 5.5 mi southwest of Palm Springs, lat/long and T/R/S below from Durham 1998: Calif. Geogr. Names; elev from Jaeger s label] 1707 Comment
  RSA561817  Cryptantha microstachys Steve Boyd 1992-4-14 6825 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
  UCR263467  Cryptantha microstachys A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35583 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, c. 1.25 mi ENE of Mountain Center, nameless tributary to Coldwater Creek north of Johnson Meadow, above mapped spring 1524 Comment
  UCR97698  Cryptantha microstachys A. C. Sanders, G. Helmkamp 1997-3-15 19930 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  UCSB41271  Cryptantha microstachys Cowan, Clark 1978-4-25 Riverside 5.1 mi. (8.1 km.) W on Hwy. 74 from its jct. with Hwy. 243, approaching Hemet, San Jacinto Mts. 1370 Comment
  JEPS67740  Cryptantha muricata W. L. Jepson 1901-5-19 1298 a Riverside Strawberry Valley Mt. San Jacinto 1676 Comment
  SBBG118556  Cryptantha muricata L. Gross with V. Soza 2003-5-8 832 Riverside N end of Rouse Ridge, S of the San Jacinto River, N of Rouse Hill Rd; T5S R2E S19, Center 777 Comment
  UCR264742  Cryptantha muricata Steve Boyd, Valerie Soza 2004-6-22 11544 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along Forest Service Road 5N13 near 5N06 1463 Comment
  RSA0079417  Cryptantha muricata var. jonesii R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38079 B Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  SDSU5395  Cryptantha muricata var. jonesii A. H. Gallup 1948-6-12 224 Riverside San Jacinto Road from town of San Jacinto. 823 Comment
  RSA0079247  Cryptantha muricata var. jonesii Steve Boyd, Andy Sanders, Mark Skinner 1990-4-28 4457 Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  RSA774888  Cryptantha muricata var. muricata Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5031 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 W116.66011 750 Comment
  UCR193359  Cryptantha nemaclada A. C. Sanders, Tim Thomas 2008-6-20 35550 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR279548  Cryptantha nevadensis var. nevadensis A. C. Sanders, Jim Malusa 2017-3-27 43133 Riverside Sonoran (Colorado) Desert, NW edge of Chocolate Mountains, lower Salt Creek on the illegal OHV road from the Coachella Canal to the trestle, inside Navy Aerial Gunnery Range 44 Comment
  SEINET3152318  Cryptantha racemosa L. S. Rose 1936-12-22 36809 Riverside San Jacinto mts.; Palms to Pines hwy, 17 miles SW of Indio 914 Comment
  JOTR01186  Cryptantha racemosa Schenck, Sara 1941-5-28 s.n. Riverside Joshua Tree National Park. RUBY LEE MILL SITE Comment
  RSA192295  Cucurbita foetidissima H. A. Zuill 1966-6-27 248 Riverside 2 - 4 miles WSW of Murrieta. Comment
  CDA39908  Cuscuta californica var. papillosa E. H. Asher 1958-6-9 509 -58 Riverside Rancho Mirage. 0 Comment
  UC907578  Cuscuta californica var. papillosa Mary L. Bowerman 1950-3-20 4319 Riverside 1.6 mi sw Palms-to-Pines highway junction with Palm Springs highway (where outcrop by road, nw of Palms-to-Pines highway) 152 Comment
  RSA795921  Cuscuta denticulata Duncan S. Bell 2009-4-19 289 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  CLARK-A1528-2579  Cycloloma atriplicifolium John C. Roos 1965-9-26 Riverside Indio Comment
  SBBG65465  Cycloloma atriplicifolium R. Hoffmann 1929-9-4 Riverside Wineville [Mira Loma] Comment
  JEPS66873  Cylindropuntia bigelovii W. L. Jepson 1914-5-18 6033 Riverside n Indio; Colorado Desert, County Well 152 Comment
  RSA0077468  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17728 Riverside Chuckwalla Mountains, Corn Springs Wash, 4km west of Aztec Well. 727 Comment
  CAS-BOT-BC59396  Cylindropuntia bigelovii var. bigelovii L. R. Abrams 1926-3-26 11212 Riverside Field redacted by CAS, contact the data manager for more information Comment
  JOTR35427  Cylindropuntia chuckwallensis Harding, Mitzi, C. Barrows, K. Callahan, J. Hoines, M. Wheeler 2013-4-11 130 Riverside Joshua Tree National Park. Eagle Mountains; Eagle Mountain peak 1630 Comment
  SEINET5624441 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2011-12-19 17510 Riverside Corn Springs Wash, 830 m ENE of Aztec Spring, 12km SSE of Desert Center, north side of Chuckwalla Mountains, 84km east of Indio 497 Comment
  SEINET5624449 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-1 17535 Riverside Chuckwalla Mountains, along Corn Springs Wash, 2.5km WNW of Com Spring, 69km west of Blythe, Corn Spring 7.5' USGS topographic quadrangle 550 Comment
  SEINET2057202 Image available Cylindropuntia munzii A. C. Sanders, et al. 1986-3-2 6147 Riverside Arroyo Seco, along Bradshaw Rd, 5.2 miles W of Graham Pass Rd, S side of the Chuckwalla Mountains. 640 Comment
  POM178579  Cymopterus panamintensis var. acutifolius Marcus E. Jones 1930-3-15 s.n. Riverside Eagle Mountains. 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
  UCR188893  Cyperus difformis Fred M. Roberts, S. Leatherman 2007-9-19 6597 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  POM228970  Cyperus eragrostis L. C. Wheeler 1932-9-4 1333 Riverside Santa Ana River at Chino Creek. 152 Comment
  SBBG119269  Cyperus involucratus R. F. Thorne 1965-4-4 41861 Riverside Tahquitz Falls, Tahquitz Cyn Comment
  UCR117072  Cyperus involucratus A. C. Sanders, Steven R. Hill 2001-5-4 24149 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, Carancho Rd. at stream crossing (nameless tributary to De Luz Creek) west of Camaron Rd., east of Calle Calmar 396 Comment
  POM10386  Cyperus laevigatus F. M. Reed 1905-10-29 836 Riverside Chinatown ford on Santa Ana River. [Riverside, crossing of river below the old Chinatown site in lower Arroyo Tequesquite] Comment
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Oct 10 2009
  HSC101604  Cyperus squarrosus Steve Boyd, G. D. Wallace 2005-7-30 11649 Riverside Peninsular Ranges; San Jacinto Mountains region; San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2652 Comment
  UCR2296  Dactylis glomerata F. M. Reed 1933-5-15 s.n. Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 290 Comment
  UCR71765  Dactyloctenium aegyptium L. F. LaPre, Megan Phillips 1991-9-9 91- 17 Riverside Sonoran (Colorado) Desert, Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
  RSA498350  Dalea mollis Martha Hilend 1928-4-15 177 Riverside Thousand Palms Comment
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Sep 10 2011
  UCR30584  Dalea mollis John C. Roos 1965-10-17 s.n. Riverside Sonoran (Colorado) Desert, roadside 20 miles west of Blythe 120 Comment
  RSA91430  Dalea mollis F. W. Peirson 1932-3-22 9811 Riverside 20 miles North of Blythe on the road to Needles, Eastern Riverside. 152 Comment
  UC863725  Dalea mollissima C. L. Hitchcock 5846 Riverside ca. 12 mi. e. Indio Comment
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Oct 16 2011
  POM193517  Dasyochloa pulchella J. B. Feudge 1929-9-15 2026 Riverside Cottonwood Springs, Colorado Desert. Comment
  RSA709874  Dasyochloa pulchella Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4618 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  CAS-BOT-BC402177  Datisca glomerata R. F. Thorne; E. W. Lathrop; W. Wisura 1977-7-8 49547 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. Comment
  RSA586338  Datisca glomerata D. L. Banks, S. D. Boyd 1995-5-3 0203 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UC534829  Datisca glomerata Victor Duran 1933-7-1 3494 Riverside near Santa Rosa (Santa Rosa Mountains); Santa Rosa Mountains 1828 Comment
  UCR244889  Datura discolor A. C. Sanders, T. B. Salvato 2012-10-12 40406 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction 124 Comment
  UCR214570  Daucus pusillus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37851 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  POM360342  Deinandra fasciculata J. D. Olmsted 1962-5-10 3609 Riverside Lake Matthews Road ca. 0.5 mile W of dam. 427 Comment
  RSA784310  Deinandra fasciculata J. D. Olmsted 1959-8-26 842 Riverside Oat Flat along Main Divide Motorway between Sierra Peak and the old Sierra Peak Guard Station, Santa Ana Mtns towards Santiago Res. 823 Comment
  SDSU13564  Deinandra fasciculata W. Miller, C. Mosse 1972-7-12 Riverside Comment
  CAS-BOT-BC413816  Deinandra mohavensis R. E. Riefner, Jr. 2014-6-24 14 -193 Riverside City of Hemet, Santa Rosa Hills, Simpson Park, S ca. 0.15 mi from Rawlings Rd. and Margret [Margaret] Ln. 740 Comment
  CAS-BOT-BC131031  Deinandra paniculata H. M. Hall 1930-11-9 13025 Riverside Aguanga Hills, 5 miles from Aguanga Comment
  RSA113904  Delphinium parishii G. R. Campbell 1955-12-6 21500 Riverside Botanic Garden. 457 Comment
  UC1929699  Delphinium parishii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10473 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
  UC9215  Delphinium parryi subsp. maritimum H. M. Hall June, 1901 2287 Riverside vicinity of Chalk Hill San Jacinto Mountains 1615 Comment
  CAS-BOT-BC121429  Delphinium parryi subsp. parryi H. M. Hall 1901-6-1 2013 Riverside Canyon of San Jacinto River 762 Comment
  CAS-BOT-BC82954  Dendromecon rigida Hayes 1975-5-5 2364 Riverside Highway 243 12 miles north James Reserve. Comment
  SD237265  Deschampsia danthonioides D. E. Bramlet 1991-5-7 2120 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave & Marvin Hull Road, c. 50-150 m north of the AR&SF railroad tracks & 300 m west of MWD canal. Comment
  POM178372  Deschampsia danthonioides var. gracilis P. A. Munz 1941-5-18 16645 Riverside About 15 miles northeast of Temecula. Comment
  UC1536927  Descurainia pinnata Gordon H. True Jr. 1935-2-22 13 Riverside Gavilan Hills 609 Comment
  CAS-BOT-BC43355  Descurainia pinnata subsp. glabra Fay A. Mac Fadden 1936-3-20 14482 Riverside Morengo [Moreno] Valley. Comment
  UC63394  Descurainia pinnata subsp. menziesii H. M. Hall 1904-5-16 4942 Riverside vicinity Riverside (Fairmount Park); Fairmount Park 243 Comment
  RSA433550  Dicentra chrysantha Robert Gustafson 1983-4-18 2499 Riverside Clinton Keith Rd. about 2.5 miles from its junction with Hwy 15, eastern slopes of the Santa Ana Mtns. 457 Comment
  UCR734  Dicentra ochroleuca Joyce Davis 1965-5-14 62 Riverside Santa Ana Mtns, c. 7 mi. south of Corona, c. 15 ft. above Skyline Drive 518 Comment
  UCR252198  Dichelostemma capitatum Marissa Manahan 2011-4-21 s.n. Riverside Lake Mathews, off Cajalco Rd. across from Colorado River Aqueduct, near Lake Mathews Dr. intersection 436 Comment
  RSA367458  Dichelostemma capitatum subsp. capitatum Ora M. Clark 1929-2-23 1511 Riverside South Cabazon. Comment
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Mar 13 2011
  SDSU12912  Dichelostemma capitatum subsp. capitatum Jutta Buschbom 1991-5-1 2 Riverside SE-Slope, N-Border of the Reserve, beyond an avocado-grove, ca. 500 m (15 min) NW from the fieldstation. Santa Margarita Ecological Reserve. Comment
  POM11224  Dicoria canescens W. R. Dudley 1903-12 s.n. Riverside Near Palm Springs. Comment
  RSA696748  Dicoria canescens J. Russell Bruff 1927-11-24 3 Riverside Whitewater. Comment
  SBBG34737  Dicoria canescens T. L. Secrest 1950-3-12 Riverside near Indio Comment
  SBBG8045  Dicoria canescens H. and M. Dearing 1940-11-10 5014 Riverside near Whitewater Comment
  UC29876  Dieteria asteroides var. asteroides Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  UCD64071  Digitaria sanguinalis Scott D. White; Brian Leatherman 2004-10-7 10768 Riverside Perris Basin: City of Perris. Immediately east of the I-215 Freeway, at Watson Road. 434 Comment
  CAS-BOT-BC291031  Dimorphotheca sinuata Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mi. NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road 365 Comment
  UCR140298  Dimorphotheca sinuata A. C. Sanders 2004-4-9 27465 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  RSA0019281  Diplacus brevipes Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38099 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmor. 1677 Comment
  RSA0019303  Diplacus puniceus A. C. Sanders 2004-4-20 27534 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  UCR207623  Distichlis spicata O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  UCR91526  Distichlis spicata Scott D. White 1996-4-20 3969 Riverside Perris Basin, near Perris Airport; c. 100 m south of Case Road and 100 m west of the San Jacinto River Channel 433 Comment
  UCR2331  Distichlis spicata var. stricta H. J. Webber 1918-6-9 40 Riverside Alkali land NE of Riverside Comment
  RSA171926  Ditaxis lanceolata R. F. Thorne 1963-3-29 32442 Riverside Eagle Mountains, Pumping Station, S side of Eagle Mountains; ca. 12 miles W of Desert Center 533 Comment
  SEINET3196407 Image available Ditaxis lanceolata Teresa B. Salvato 2010-4-20 4060 Riverside Sonoran (Colorado) Desert; alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe (McCoy Peak 7.5' Q.) 183 Comment
  CLARK-A1528-5015  Dithyrea californica John C. Roos 1937-4-18 1367 Riverside Comment
  RSA342000  Dithyrea californica R. F. Thorne 1980-4-16 54116 Riverside Along Whitewater River, E of bridge and levee Comment
  RSA530740  Dithyrea californica B. C. Templeton, I. W. Clokey 1930-4-9 1075 Riverside Palm Springs Station; Colorado Desert 400 Comment
  RSA660045  Dithyrea californica Carol Zuck 1981-2-15 19 Riverside 1.3 miles south on Bob Hope Dr. from the junction at Country Club Dr. Comment
  UC1595800  Dithyrea californica W. Wisura, J. Dolan, and M. Wall 1992-3-25 4652 Riverside 2.7 mi s prison on Wileys Well Rd. Comment
  UC572414  Dithyrea californica H. S. Yates 1937-3-23 6406 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  RSA586876  Dodecahema leptoceras D. L. Banks, S. D. Boyd 1995-5-3 250 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  SD138823  Dodecahema leptoceras Craig Reiser 1993-5-17 Riverside Agua Tibia Wilderness Area, south side of Highway 79 west of entrance to Woodchuck Campground Comment
  CAS-BOT-BC136107  Dodecatheon alpinum H. M. Hall 1901-7-1 2348 Riverside Tahquitz [Tauquitz] Valley - San Jacinto Mountains 2499 Comment
  RSA461341  Dodecatheon clevelandii Albert J. Perkins 1895-05 s.n. Riverside Near Riverside Comment
  SEINET3088585 Image available Dodecatheon clevelandii Ed LaRue 1989-3-30 sn Riverside Rancho California area, ca. 4 mi. W of Temecula, with Ave. del Oro as the N boundary. 381 Comment
  RSA0102549  Draba cuneifolia Duncan S. Bell 2010-10-23 1989 Riverside Arica Mountains; within the Palen/McCoy Wilderness area; collecting in the central section of the range to the west of Priest Mine. 420 Comment
  CLARK-A1528-2315  Draba cuneifolia var. integrifolia John C. Roos 1952-2-29 5369 Riverside Reche Canyon 548 Comment
  POM14161  Draba cuneifolia var. integrifolia P. A. Munz, D. D. Keck 1922-4-9 4781 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA85799  Drymocallis glandulosa E. C. Jaeger 1924-6-29 5446 Riverside Tahquitz Valley. 2134 Comment
  CAS-BOT-BC427976  Dudleya arizonica S. B. Parish; W. F. Parish 1882-4-1 588 Riverside Borders of the Colorado Desert, Whitewater Comment
  CAS-BOT-BC133194  Dudleya lanceolata A. C. Sanders; T. B. Salvato 2003-5-21 26788 Riverside Elsinore Valley: Wildomar, old ranch parcel SE of Wesley St. & SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  SD241802  Dudleya lanceolata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38401 Riverside Peninsular Range: southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341a^z) of intersection of I-15 and Lake St. 526 Comment
  UCR16119  Dudleya saxosa B. A. Carlson 1978-4-30 s.n. Riverside Santa Rosa Mtns, 5 mi. south of Palm Desert, east of Hwy 74 396 Comment
  CAS-BOT-BC109605  Dudleya saxosa subsp. aloides Reid Moran 1950-4-28 3407 Riverside Whitewater. 457 Comment
  JOTR35490  Dudleya saxosa subsp. aloides La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3178 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  RSA0047811  Dysphania pumilio A. C. Sanders 2013-7-6 40841 Riverside Idyllwild, SE part of town near Saunders Meadow, west end of Tahquitz View Dr. toward Crestview Dr. 1707 Comment
  UCR86035  Dysphania pumilio Michael A. Patten 1992-5-7 92- 26 Riverside Santa Ana mtns., Santa Rosa Plateau, along Via Vaquero at Via Oesta, c. 5 km. west of Temecula 399 Comment
  UCR37454  Eclipta prostrata Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  RSA11655  Elatine brachysperma P. A. Munz, I. M. Johnston 1922-5-21 5546 Riverside San Jacinto [Mystic] Lake near Moreno. Comment
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Mar 20 2011
  UCD110451  Elatine chilensis Robert F. Thorne; E. Lathrop, et al 1969-5-19 37968 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 624 Comment
  RSA92090  Eleocharis geniculata F. W. Peirson 1921-3-20 2923 Riverside Palm Canyon, east base of San Jacinto Mountains 305 Comment
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Oct 1 2011
  SEINET998791  Eleocharis macrostachya Mitch Provance 2005-1 6568 Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, ca. 100 yards SE of the Durant RR siding, the site boreder along the NW by Pierce St. and on the N by Aberhill Creek, with Baker St. more or less bisecting the collection site. (Lake Elsinore 7.5' Q) 396 Comment
  UCR132717  Eleocharis montevidensis A. C. Sanders, O. F. Clarke 1991-6-10 11126 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR90340  Eleocharis montevidensis Scott D. White 1995-6-29 3409 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  RSA544428  Eleocharis palustris Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6333 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  CDA20777  Eleusine indica M. Lahti 2006-9-18 PDR 1357285 B Riverside Island Growers, Anza Rd., Temecula. In Ivy stock containers. Widespread weed in nursery, but not particularly common. 0 Comment
  UCR195143  Elymus A. C. Sanders, Tim Thomas 2008-8-1 35939 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  CAS-BOT-BC227734  Elymus elymoides H. M. Hall 1901-8-1 2601 Riverside San Jacinto Mountains. In meadows or along creeks of Tamarack Valley 2529 Comment
  RSA0120235  Elymus elymoides Duncan S. Bell, Thomas Stoughton 2016-4-14 9283 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
  OBI32773  Elymus glaucus E. W. Lathrop 1965-4-26 5689 Riverside 4 mi SE of Murrieta Comment
  LA14853  Elymus multisetus F. M. Reed; 1906-5-14 sn Riverside about Riverside Comment
  POM8455  Emmenanthe penduliflora Mary F. Spencer 1920-4-2 349 Riverside Palm Springs, Colorado Desert. 122 Comment
  RSA25342  Emmenanthe penduliflora C. L. Hitchcock 1940-4-1 5900 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  UCR174107  Emmenanthe penduliflora A. C. Sanders 2006-5-19 32424 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
  JOTR31047  Emmenanthe penduliflora var. penduliflora La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2030 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  SBBG35073  Emmenanthe penduliflora var. penduliflora T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  JOTR16582  Encelia actoni Baker, James K. & Baker, Ilisa T. 1966-10-20 s.n. Riverside Joshua Tree National Park. RYAN MOUNTAIN WATERING TURNOUT 1310 Comment
  SD224838  Encelia actoni Scott D. White, Steve Myers 1995-10-21 3725 Riverside Eastern foothills of San Jacinto Valley, Santa Rosa Hills, S of Hemet; foothills just above orange grove 609 Comment
  UCR117103  Encelia actoni A. C. Sanders, T. B. Salvato 2001-5-16 24307 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
  UCR154633  Encelia actoni A. C. Sanders, Mike Misenhelter 2005-6-15 30995 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR92041  Encelia actoni Scott D. White, S. J. Myers 1995-10-21 3725 Riverside San Jacinto Valley, Eastern foothills of San Jacinto Valley,'Santa Rosa Hills', south of Hemet. Foothills just above orange grove. 610 Comment
  POM9617  Encelia californica I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  HSC29901  Encelia farinosa Richard Spjut 1972-2-7 2178 Riverside Colorado Desert; 12 mi. S of jct. 95 on Hwy. 78 near San Bernardino County Line 305 Comment
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Jun 20 2013
  RSA696890  Encelia farinosa J. Russell Bruff 1933-1-1 s.n. Riverside Travertine Point, south of Indio. Comment
  RSA784750  Encelia farinosa Duncan S. Bell 2012-2-12 3094 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  RSA790974  Encelia farinosa Aaron C. Sedgwick, David Fraker 2012-4-24 8 Riverside In the Palen Valley south of Hwy. 10 on Dupont Rd., ca. 2 mi. northeast of the Chuckwalla Mountains Wilderness Area. 183 Comment
  RSA308544  Encelia farinosa var. farinosa Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3151 Riverside 10 miles east of Indio. Comment
  UCR263222  Enchylaena tomentosa A. C. Sanders, T. B. Salvato 2015-7-22 41747 Riverside Peninsular Range, Riverside; former O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 361 Comment
  JOTR34294  Ephedra californica Andre, Jim 2012-4-11 20703 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  RSA85169  Ephedra californica F. W. Peirson 1925-4-17 6021 Riverside Cabazon, San Gorgonio Pass. Comment
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Mar 13 2011
  UC1083312  Ephedra californica Herbert L. Mason 1928-3-10 4187 Riverside White Water River Comment
  SEINET6087497  Ephedra nevadensis Unknown 1956-2-24 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UC1979839  Ephedra trifurca Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-6 987 Riverside Mojave Desert; Southcentral Mojave Desert region: Iron Mountains, on southwest side of mountains in drainage on either side of the road. Comment
  UC729743  Ephedra trifurca Carl B. Wolf 1932-4-29 3122 Riverside on Blythe Road 3 mi s Rice; Eastern Colorado Desert 213 Comment
  RSA575911  Epilobium brachycarpum Steve Boyd, D. L. Banks 1994-9-29 8371 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  UCR26293  Epilobium canum John C. Roos 1949-9-17 4661 Riverside Sonoran (Colorado) Desert, W side of Painted Hill. Near a seep in the palm oasis, in a side canyon on the right side of Whitewater Wash. 2.2 miles north of highway 99 610 Comment
  CHSC1162  Epilobium canum subsp. canum E. Thomas 1939-11-12 Riverside Glen Ivy. Comment
  RSA595908  Epilobium canum subsp. canum D. L. Banks, Lauren Raz 1996-11-5 1167 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, ESE of San Gabriel Church; Along the floodplain of the southern fork of Pechanga Creek. 415 Comment
  CAS-BOT-BC171739  Epilobium canum subsp. latifolium Louis C. Wheeler 1931-10-4 199 Riverside Strawberry Valley Trail, San Jacinto Mts. 1584 Comment
  RSA588501  Epilobium canum subsp. latifolium H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside Snow Creek Canyon 541 Comment
  RSA502520B  Epilobium ciliatum Steve Boyd 1989-5-7 3575 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  UCR39543  Epilobium ciliatum A. C. Sanders 1980-8-21 1777 Riverside San Jacinto Mountains, Mt. San Jacinto Wilderness Area. east of Saddle Junction at the head of Tahquitz Creek, c. 2 mi NE of Idyllwild 2409 Comment
  UCR193124  Epilobium densiflorum A. C. Sanders, Tim Thomas 2008-6-20 35533 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA617990  Epilobium pygmaeum R. E. Riefner Jr. 1998-9-13 98 -476 Riverside Elsinore Trough; Wildomar. Comment
  RSA607567  Epipactis gigantea Louis C. Wheeler 1964-6-19 8487 Riverside Chino Creek, oasis near Palm Springs. Comment
  UC1951165  Epipactis gigantea Scott D. White, Justin Wood 2009-5-22 12928 Riverside SAN JACINTO MOUNTAINS: Halfway Spring, accessed via Old Control Road. USGS Blackburn Canyon 7.5' Quad. Comment
  UC729656  Epipactis gigantea Carl B. Wolf 1932-5-25 3662 Riverside E. Fork of Snow Creek Canyon No. Base of San Jacinto Mts. (mouth) 670 Comment
  UCR35288  Epipactis gigantea L. B. Ziegler 1972-6-12 484 Riverside San Jacinto Mtns,, Penrod Canyon drainage into upper Hemet (Garner) Valley 1570 Comment
  RSA612920  Equisetum arvense L. C. Wheeler 1931-10-4 214 Riverside San Jacinto Mts. Strawberry valley 1554 Comment
  RSA627506  Equisetum hyemale var. affine Scott D. White 1998-7-31 6947 (unic.) Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Drive and Hymber Park. 1707 Comment
  RSA761326  Equisetum laevigatum Shawn Krosnick, C. Martinez, N. Fraga, L. McDade 2010-8-14 684 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC71400  Equisetum laevigatum E. A. Zumbro 1904-1 428 Riverside Cold Water Canyon; Santa Ana Mts. Comment
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Jan 11 2007
  RSA180338  Equisetum telmateia var. braunii E. W. Lathrop 1959-4-2 4445 Riverside 18 miles W of Murrieta, Cottonwood Canyon of the Tenaja Range Comment
  RSA129670  Eragrostis cilianensis H. S. Yates 1936-8-29 6372 Riverside Idlewild [Idyllwild]. 1677 Comment
  IRVC26150  Eragrostis mexicana subsp. mexicana J. C. Roos 1952-5-14 5659 Riverside Riverside, corner of Iowa Avenue and 8th Street southern coastal 305 Comment
  POM184299  Eremalche exilis P. A. Munz 1932-3-14 11992 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  JOTR31968  Eremalche rotundifolia La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2205 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; rocky/gravelly bajada north of the Aqueduct Rd. 603 Comment
  RSA432712  Eremalche rotundifolia Christopher Davidson 1979-4-4 7721 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  RSA432715  Eremalche rotundifolia N. C. Cooper 1949-4-8 3297 Riverside Desert Center. 610 Comment
  UCR196386  Eremalche rotundifolia Naomi Fraga, Lisa Rojas 2005-2-10 1408 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  RSA192164  Eremocarpus setiger E. W. Lathrop 1959-9-11 4649 Riverside 14 miles west of Murrieta. Comment
  RSA557369  Eremocarpus setiger Julie Greene, S. D. White 1993-7-5 1402 Riverside San Jacinto Wildlife Area. Lower, flat area, W of dirt road. 441 Comment
  SBBG28432  Eremocarya lepida D. Myrick 1964-4-30 825 Riverside Pines to Palms Hwy 74, 15 mi W of Palm Desert 1219 Comment
  SBBG63720  Eremocarya micrantha M. N. Ackley -Feb-1926 38 Riverside near Edom 64 Comment
  POM12862  Eremogone ferrisiae P. A. Munz 1922-6-29 5893 Riverside Santa Rosa Mountains: Santa Rosa. 2134 Comment
  UC1929913  Eriastrum densifolium subsp. austromontanum Scott D. White, Angelia Carey 2004-7-2 10569 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  RSA0119726  Eriastrum diffusum subsp. diffusum Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 957 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  UC880209  Eriastrum eremicum subsp. eremicum C. L. Hitchcock 1940-4-4 5963 Riverside Cottonwood Springs Joshua Tree Nat. Monument Comment
  CAS-BOT-BC514465  Eriastrum eremicum subsp. eremicum C. L. Hitchcock 1940-4-4 5956 Riverside Pinto Basin Comment
  RSA0120072  Eriastrum eremicum subsp. eremicum P. A. Munz, R. D. Harwood 1920-4-4 3526 Riverside Pass south of Palm Springs. 152 Comment
  CAS-BOT-BC257173  Eriastrum harwoodii Duncan S. Bell 2010-5-1 911 Riverside Arica Mountains: northwest of mountain range, approximately 6.5 air miles southwest of the ghost town of Rice, and approximately 5 air miles northwest of Priests Well 339 Comment
  RSA0120683  Eriastrum harwoodii Duncan S. Bell 2010-5-1 911 Riverside Arica Mountains: northwest of mountain range, approximately 6.5 air miles southwest of the ghost town of Rice, and approximately 5 air miles northwest of Priests Well. 339 Comment
  UCR233934  Eriastrum harwoodii Duncan S. Bell 2010-5-1 903 Riverside Sonoran (Colorado) Desert, Arica Mountains, c. 8.6 air miles west of Rice and 6.8 air mi. NW of Priests Well 286 Comment
  JEPS57287  Eriastrum sapphirinum L. R. Heckard and R. C. Bacigalupi 1968-5-5 1807 Riverside 2.6 mi n Radec 548 Comment
  UCR213862  Eriastrum sapphirinum Scott D. White, Justin M. Wood 2009-5-22 12932 Riverside San Jacinto Mountains, Old Control Road, below Halfway Spring 915 Comment
  UCR251988  Eriastrum sapphirinum A. C. Sanders, T. B. Salvato 2014-7-2 41165 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA0122967  Eriastrum sapphirinum subsp. sapphirinum Robert Kessler 1921-09 s.n. Riverside San Jacinto Mts. Comment
  JOTR16585  Ericameria cooperi var. cooperi Moore, Sue 1968-4-29 s.n. Riverside Joshua Tree National Park. NEAR WHITE TANK CAMPGROUND 1158 Comment
  UCR137350  Ericameria cuneata 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
  POM350409  Ericameria cuneata var. spathulata Jack Rempel, Erwin H. Miller 1934-4-28 18726 Riverside Lost Horse 1296 Comment
  RSA757789  Ericameria linearifolia LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4298 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
  UC63168  Ericameria palmeri var. pachylepis H. M. Hall 1900-5-29 Riverside Comment
  UCR149939  Ericameria palmeri var. pachylepis Scott D. White, Brian Leatherman 2004-10-7 10771 Riverside Perris Basin, city of Perris, immediately east of the I-215 Freeway, at Watson Road 434 Comment
  OBI42653  Ericameria paniculata D. Hoover 1986-4-7 773 Riverside South of Morongo Valley; area at the main BLM gate; base of the main canyon 549 Comment
  OBI7340  Ericameria paniculata Louis C. Wheeler 1933-12-1 2288 Riverside 2 mi E Cabezon, San Gorgonio Pass 640 Comment
  LA37417  Ericameria parishii var. parishii Dave Dunn; Carl Epling 1941-10-4 1368 Riverside SANTA ANA MOUNTAINS, Indian Canyon, just below the Coulter pines and up into them. Comment
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Oct 15 2013
  RSA604748  Ericameria pinifolia A. C. Sanders, J. C. Lyman 1995-4-16 16558 Riverside Glen Avon: Jurupa Hills (draining toward Fontana), Pyrite St. Canyon. 335 Comment
  POM19627  Erigeron foliosus Mary F. Spencer 1923-8-1 2215 Riverside Idyllwild, San Jacinto mts. 1646 Comment
  POM157944  Erigeron foliosus var. foliosus P. A. Munz 1927-5-20 10824 Riverside 10 miles S. of Hemet. Comment
  CLARK-A1528-4616  Eriochloa aristata John C. Roos 1937-8-20 477 Riverside Blythe Comment
  CLARK-A1528-540  Eriodictyon crassifolium Fred B. Essig 1967-3-23 Riverside San Jacinto River Comment
  HSC47469  Eriodictyon crassifolium Richard Spjut, C. E. Edson 1978-5-5 5022 Riverside Between Idyllwild and Banning along Hwy. 243 in the San Jacinto Mtns. 1220 Comment
  LA205603  Eriodictyon crassifolium Harlan Lewis; 1935-4-6 sn Riverside Snow Creek, Palm Springs 182 Comment
  POM13315A  Eriodictyon crassifolium E. C. Jaeger 1921-4-7 1079 Riverside Murray Canyon, Palm Springs Comment
  POM8683  Eriodictyon crassifolium P. A. Munz, R. D. Harwood 1920-2-28 3262 Riverside 2 mi. southeast of Corona, 305 Comment
  UC880702  Eriodictyon crassifolium I. W. Clokey and E. G. Anderson 1935-4-16 6834 Riverside e Hemet; e of Hemet 600 Comment
  UCR130879  Eriodictyon crassifolium A. C. Sanders, John Green 1999-5-31 22797 Riverside Box Springs Mtns., upper Two Trees Canyon, east of Belvedere Heights 610 Comment
  CAS-BOT-BC189124  Eriodictyon crassifolium var. crassifolium Milo S. Baker 1928-4-3 2836 b Riverside Tahquitz Canon [Canyon] near Palm Springs Comment
  SDSU13545  Eriodictyon crassifolium var. crassifolium C. Mosse with W. Miller 1972-7-20 Riverside Along road frm Royal Oak before Y in road, where old gate used to be. Comment
  UC1979591  Eriodictyon crassifolium var. crassifolium D. L Banks, Steve Boyd 1995-3-30 0127 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, on the Woodchuck Trail. Comment
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Nov 18 2015
  UCR35117  Eriodictyon crassifolium var. crassifolium L. B. Ziegler 1967-5-18 131 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  SD80101  Eriodictyon crassifolium var. nigrescens Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-24 398 Riverside Water service road above crossing of Deep Canyo, north slope Santa Rosa Mountains. 1317 Comment
  CAS-BOT-BC188970  Eriodictyon parryi Mrs. E. C. Van Dyke 1928-7-10 s.n. Riverside Near Idyllwild Comment
  POM161534  Eriogonum apiculatum Ralph Hoffmann 1929-9-10 s.n. Riverside Tahquitz Peak. 2439 Comment
  UCD159799  Eriogonum apiculatum Louis C. Wheeler 1945-10-7 6412 Riverside San Jacinto Mountains: divide between West Fork Snow Creek and North Fork San Jacinto River. 2377 Comment
  RSA0103099  Eriogonum davidsonii Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8541 Riverside Santa Rosa Mountains; along the Cactus Spring Trail, just above Horsethief Creek. 1064 Comment
  UC6238  Eriogonum davidsonii H. M. Hall June, 1901 2088 Riverside vicinity of Chalk Hill; San Jacinto Mountains 1524 Comment
  UCR243181  Eriogonum davidsonii A. C. Sanders 2013-7-6 40842 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE part of town near Saunders Meadow, west end of Valley View Dr. toward Crestview Dr., at intersection with N-S road of unknown name 1680 Comment
  RSA597073  Eriogonum elongatum var. elongatum D. L. Banks, Lauren Raz 1996-8-29 1138 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Arroyo Seco, N of Wildhorse Peak, before the drainage bends to the S. 549 Comment
  SD132454  Eriogonum elongatum var. elongatum Scott White 1990-10-2 Riverside Vail Lake Area; Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  VVC410  Eriogonum fasciculatum Markell Kohn 1959-2-26 s.n. Riverside Santa Ana River Drainage, Campus of UCR; 100 yds south on road behind CES administration bldg. 360 Comment
  CLARK-A1528-3736  Eriogonum fasciculatum subsp. flavoviride John C. Roos 1948-5-15 3845 Riverside Eagle Mountains Comment
  RSA0062500  Eriogonum fasciculatum var. foliolosum J. M. Andre 2012-6-15 30493 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
  LA206786  Eriogonum fasciculatum var. polifolium A. M. Johnson; 1932-8-18 4133 Riverside San Jacinto Mountains, along road, down Banning side Comment
  RSA650850  Eriogonum fasciculatum var. polifolium Leo Kroonen 1949-1-2 s.n. Riverside South side north slope Kroonen Canyon, Corona. Comment
  RSA773186  Eriogonum fasciculatum var. polifolium Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4919 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SDSU13542  Eriogonum fasciculatum var. polifolium W. Miller 1972-8-9 Riverside Santa Margarita Ecological Reserve Comment
  UCR117099  Eriogonum fasciculatum var. polifolium A. C. Sanders, T. B. Salvato 2001-5-16 24303 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
  JOTR35262  Eriogonum heermannii var. argense La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3247 Riverside Joshua Tree National Park. West of Queen Mountain, Wonderland of Rocks; narrow wash with large granitic boulders throughout corridor (Stop 2) 1302 Comment
  UCR148040  Eriogonum inflatum Steve Boyd, Et al. 2004-5-14 11230 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UCR167269  Eriogonum inflatum John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR24321  Eriogonum maculatum John C. Roos 1958-9-28 s.n. Riverside Santa Rosa Mtns., Pinyon Flats 1220 Comment
  JEPS56684  Eriogonum nidularium W. L. Jepson 1928-4-25 12603 Riverside Cottonwood Spring Colorado Desert, Eagle Mts., Cottonwood Spring 731 Comment
  RSA783743  Eriogonum nodosum J. D. Olmsted 1959-8-18 792 Riverside Desert Sun School near Idyllwild; M[iddle] Fork San Jacinto River. 1646 Comment
  SBBG64154  Eriogonum nudum var. pauciflorum J. Ewan 1928-8-30 Riverside Tahquitz Pk Trail 2011 Comment
  CAS-BOT-BC258240  Eriogonum pusillum Lewis S. Rose 1937-4-9 37126 Riverside Palms to Pines Highway, 18 mi. W. of Indio 1036 Comment
  UC1929883  Eriogonum pusillum Scott D. White, Michael Honer 2003-5-13 9244 Riverside SAN BERNARDINO MTNS: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. Open wash & alluvial benches. Comment
  UCR177332  Eriogonum pusillum Scott D. White, Michael Honer 2003-5-13 9244 Riverside San Bernardino Mtns, Whitewater Canyon, c. 2 miles north of Bonnie Bell 640 Comment
  CAS-BOT-BC253020  Eriogonum reniforme L. R. Abrams 1926-3-26 11056 Riverside Palm Springs to Palm Canyon Comment
  CAS-BOT-BC263506  Eriogonum thomasii Geo. B. Grant 1906-4-20 541 Riverside Palm Springs, Colorado Desert 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
  RSA644221  Eriogonum thomasii Victor W. Steinmann, P. I. Moscosa, T. S. Ross 1998-4-14 1368 Riverside Orocopia Mountains, 1.5 km southwest of the Hayfield exit of I-10; ca. 600 m. Along a small wash on north-facing slope. 183 Comment
  RSA698449  Eriogonum thomasii Mary Edmunds 1932-3-24 s.n. Riverside McIntyre Ranch Oasis: Coachella Valley. Comment
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Jun 15 2012
  UCD101291  Eriogonum thomasii S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert; Salton Basin, 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas. 15 Comment
  UCSB18464  Eriogonum thomasii Winn, Will 1963-4-8 Riverside U.S. Highway 60-70; 29.2 miles W of Desert Center 304 Comment
  RSA0009731  Eriogonum thomasii Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA653433  Eriogonum thurberi Scott D. White 1999-5-24 7396 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
  RSA766489  Eriogonum thurberi E. L. Peterson 1930-5-30 5653 Riverside Warner's Ranch at Whitewater. 366 Comment
  JEPS56291  Eriogonum trichopes W. L. Jepson 1920-5-1 8916 Riverside Palm Springs of Mt. San Jacinto 137 Comment
  UC68585  Eriogonum trichopes L. A. Greata April 1905 389 Riverside Coachella Colorado Desert, Coachella Comment
  RSA65992  Eriogonum umbellatum subsp. munzii F. W. Peirson 1924-7-28 5014 Riverside Pine Flats Camp 1799 Comment
  CAS-BOT-BC262329  Eriogonum vimineum Susan G. Stokes 1933-7-1 76 Riverside Beside road to Idyllwild Comment
  JEPS56121  Eriogonum wrightii var. nodosum Marjorie D. Clary 1932-12-13 771 Riverside 15 mi nw Indio (base of mountains in Deep Canyon); Colorado Desert, Deep Canyon 304 Comment
  SBBG4255  Eriogonum wrightii var. nodosum H. and M. Dearing 1941-11-29 4776 Riverside Cathedral Cyn, 6 mi E of Palm Springs Comment
  UCR138559  Eriogonum wrightii var. subscaposum Steve Boyd, D. E. Bramlet 1988-10-8 2866 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
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Sep 3 2020
  SD6242  Eriophyllum ambiguum var. paleaceum unknown Mar 1914 Riverside Palm Springs Comment
  RSA695582  Eriophyllum confertiflorum Keith E. Hoffmaster 1937-6-6 774 Riverside Palms to Pines road near Keen Camp. PR4. Comment
  JOTR31117  Eriophyllum confertiflorum var. confertiflorum La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2500 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Monzogranite boulder outcrop near base of Quail Mountain, between Lost Horse Valley and Juniper Flats; Edge of old burn area (Stop 1) Comment
  RSA0071986  Eriophyllum confertiflorum var. confertiflorum J. M. Andre 2012-6-15 30509 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
  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
  SEINET8753414 Image available Eriophyllum confertiflorum var. trifidum Norman C. Cooper 1944-1 1185 Riverside Banning 701 Comment
  RSA516882  Eriophyllum multicaule Steve Boyd 1986-3-1 1365 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  SBBG53760  Eriophyllum multicaule S. Boyd 1980-4-8 Riverside Harford Springs County Park, NW corner of the Gavilan Plateau Comment
  UC217984  Eriophyllum multicaule P. A. Munz and I. M. Johnston 1922-5-19 5345 Riverside 5 mi ne of Murrietta 411 Comment
  UC373333  Eriophyllum multicaule Marcus E. Jones, A. M. 1882-4-25 3173 Riverside San Jacinto Comment
  UCR281271  Eriophyllum multicaule Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 31 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
  RSA92742  Eriophyllum multicaule J. C. Roos 1952-5-19 5690 Riverside One year old burn on hills N of Moreno. 503 Comment
  RSA444566  Eriophyllum pringlei Walter Wisura 1988-3-23 4210 Riverside Highway 62 immediately E of Robinson Road, West of Twentynine Palms. Comment
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Sep 7 2013
  POM12955  Eriophyllum wallacei P. A. Munz, I. M. Johnston 1922-5-21 5533 Riverside Hemet Valley. 1433 Comment
  RSA67309  Eriophyllum wallacei G. R. Campbell 1951-4-22 15999 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1371 Comment
  RSA695585  Eriophyllum wallacei Keith E. Hoffmaster 1937-3-16 747 Riverside Palm Springs. Comment
  SD73607  Eriophyllum wallacei Helen V. Witham 1970-4-29 821 Riverside 22 miles east of Lake Hemet. 1000 Comment
  UCR103274  Erodium cicutarium B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3574 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  RSA587144  Erodium cicutarium D. L. Banks, Steve D. Boyd 1995-6-2 555 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail just N of the Riverside County boundary, W of the peak ''3790'' on the boundary of S32 & S33. 1043 Comment
  RSA525437  Erodium macrophyllum Steve Boyd, Dave Bramlet 1990-4-29 4482 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UCR158513  Erodium moschatum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30025 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
  JOTR31210  Erodium texanum Cipra, Jane, Jane Cipra 2009-4-27 sn Riverside Joshua Tree National Park. Pinto Basin; Near turkey flat 594 Comment
  RSA783165  Erysimum capitatum J. D. Olmsted 1962-5-3 3517 Riverside Along road from Santa Rosa Indian reservation to old village, etc., at first canyon crossing to SW side 1555 Comment
  RSA0016060  Erythranthe breweri N. C. Cooper 1944-7-16 1567 Riverside Above Pine Cove, San Jacinto Mtns. 1829 Comment
  JOTR32897  Eschscholzia La Doux, Tasha 2008-2-4 2940 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  CAS-BOT-BC403363  Eschscholzia californica W. G. Wright 1889-6-1 s.n. Riverside San Gorgonio Pass Comment
  CAS-BOT-BC83136  Eschscholzia minutiflora Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2116 Riverside North end of Palen Mountains, 2 miles west of Palen Pass. 300 Comment
  JEPS51696  Eschscholzia minutiflora W. L. Jepson 1927-4-12 11652 Riverside Painted Canyon Mecca Hills 76 Comment
  RSA0021692  Eschscholzia minutiflora Jim Andre 2013-3-27 24834 Riverside Riverside Mountains; along Wilson River Crossing Rd, 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Junction 115 Comment
  RSA278563  Eschscholzia minutiflora T. C. Emmel 1961-3-21 21 Riverside Chino Canyon Comment
  CAS-BOT-BC419626  Eschscholzia parishii Philip A. Munz 1949-4-13 13056 Riverside Above Cottonwood Springs, west end of Eagle Mts., Colorado Desert 1143 Comment
  RSA445440  Eschscholzia parishii Robert Gustafson 1980-4-3 1529 Riverside Orocopia Mountains, about 4 miles east of Mecca on Box Canyon road. 213 Comment
  UC724249  Eschscholzia parishii Aven and Ruth Nelson 1939-3-29 3320 Riverside near Palm grove; Hidden Spring Canyon Comment
  OBI082996  Eucalyptus camaldulensis A. C. Sanders, Timothy W. Chumley 2013-3-29 40713 Riverside Peninsular Range; Alberhill, Lake St. at Riverside Co. conservation reserve, 0.28 km south of intersection with Temescal Canyon Rd. 378 Comment
  HSC85458  Eucrypta chrysanthemifolia Steve Boyd 1986-4-2 1602 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  JEPS1692  Eucrypta micrantha Marjorie D. Clary 1932-3-6 1615 Riverside 7 mi w Coachella; Colorado Desert, La Quinta Canyon 182 Comment
  SD239815  Eugenia uniflora A. C. Sanders, T. B. Salvato 2012-2-8 39961 Riverside Peninsular Range: Riverside, south side of UCR campus at old C.E.S. Director's garden, S of South Campus Dr., near College Building North (Riverside East 7.5'Q) 353 Comment
  CAS-BOT-BC206921  Euonymus occidentalis C. Epling; Wm. Robison 1935-6-30 s.n. Riverside North Fork San Jacinto River Comment
  JEPS9603  Euonymus occidentalis var. parishii Carl V. Meyer 1928-7-24 514 Riverside Shady canyon above Idyllwild Falls; San Jacinto Mountains, above Idyllwild Falls Comment
  UCR9165  Euonymus occidentalis var. parishii Heidi A. Haid 1968-9-28 s.n. Riverside San Jacinto Mountains, 10 mi northeast of Idyllwild at Lake Fulmor Comment
  SD233226  Euphorbia abramsiana Catherine MacGregor 2012-9-13 Riverside East of Blythe. Area where sheet-flowing water backed up and ponded next to an unpaved trail. 127 Comment
  POM2677  Euphorbia lathyris Jenkins, L. T. Street 1956 Riverside San Jacinto River Canyon. Comment
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Mar 1 2014
  OBI33604  Euphorbia polycarpa J. C. Roos 1946-10-26 3145 Riverside Chuckwalla Mts Comment
  POM87508  Euphorbia polycarpa var. hirtella Marcus E. Jones 1906-4-27 s.n. Riverside Palm Springs. Comment
  UCR104822  Euphorbia setiloba George K. Helmkamp 1998-4-4 3161 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  CAS-BOT-BC167370  Fagonia laevis Ynez Whilton Winblad 1937-4-23 s.n. Riverside Box Canyon Comment
  RSA645637  Fagonia laevis Scott D. White 1999-4-20 7274 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
  SBBG92239  Fagonia laevis D. F. Howe 1980-4-15 Riverside Interstate 10, 1 mi W of Mesa Verde; S slope of McCoy Mtns Comment
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Jul 18 2012
  UCR163088  Fagonia laevis B. G. Pitzer 2000-5-7 4145 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
  JEPS43396  Fagonia pachyacantha Marjorie D. Clary 1932-5-11 1644 Riverside 2 mi sw, Coral Reef, on the Conchilla desert Coachella; Colorado Desert 0 Comment
  UCR228839  Festuca microstachys A. C. Sanders, T. B. Salvato 2011-4-27 39338 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
  UCR2403  Festuca microstachys F. M. Reed 1928-7-10 5984 Riverside San Jacinto Mtns, Strawberry Creek at Camp Emerson, Idyllwild 1524 Comment
  UCR207376  Festuca myuros O. F. Clarke 2004-2-26 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, Two Trees Canyon 412 Comment
  UCR59666  Festuca myuros Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2920 Riverside Peninsular Range, Vail Lake area, Temecula Creek Canyon, just below Vail Lake Dam. 488 Comment
  UCR93058  Festuca myuros Steve Boyd 1986-4-2 1626 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  LA13070  Festuca octoflora A. M. Johnson; 1932-3-19 3885 Riverside below Palm Springs Comment
  RSA272184  Filago californica C. W. Tilforth 1978-4-30 1581 b Riverside Low, rounded hills east of Norco Comment
  RSA336046  Filago californica R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52029 Riverside Chino Canyon Comment
  UCR37452  Filago californica Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  UCR112979  Filago depressa B. G. Pitzer, T. Tennant 1998-2-21 3540 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10. 427 Comment
  RSA356709  Filago gallica R. F. Thorne 1975-5-20 45508 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; Santa Ana Mountains 610 Comment
  SBBG28435  Fouquieria splendens D. Myrick 1964-4-29 840 Riverside 10 mi W of Palm Desert on Pines to Palms Hwy 74 914 Comment
  SD229247  Frangula californica subsp. cuspidata Dick Schwenkmeyer 2012-4-18 700 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  UCR110402  Frankenia salina A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23185 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1 mile west of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. west of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  SEINET2030051 Image available Franseria dumosa C. L. Hitchcock 1940-3-29 5860 Riverside Cottonwood Canyon, ca. 100 yards east of Spring Comment
  SDSU7117  Frasera parryi D. F. Howe 1936-6-14 364 Riverside San Jacinto Mountains. Comment
  CAS-BOT-BC217645  Fraxinus dipetala Joseph Andorfer Ewan 1933-3-19 10897 Riverside Tin Mine Canyon, Santa Ana Mts. Comment
  UCR199672  Fraxinus dipetala Scott D. White, Justin M. Wood 2008-5-12 11946 Riverside Beaumont, northeast point of the Beaumont Badlands, north of Mt. Davis 793 Comment
  RSA0040094  Funastrum hirtellum Duncan S. Bell, Deidre Conocchioli 2014-3-18 6258 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  UCR228166  Funastrum utahense Dave Silverman, Mark Bibbo 2010-3-31 7899 Riverside Sonoran (Colorado) Desert, southern McCoy Mtns, east bajada flank, 2.1 km west of Black Creek Rd, 6.5 km ENE of McCoy Peak and 6.6 km north of I-10 189 Comment
  RSA740617  Gaillardia aristata Scott D. White, Justin M. Wood 2008-6-19 12253 Riverside San Jacinto Mountains: USFS Rd (5S08) between Keen Camp Summit and Baldy Mtn. 1524 Comment
  JEPS52778  Galium andrewsii subsp. andrewsii Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4279 Riverside about 2 1/2 mi above lower end of road to Santa Rosa Peak 2072 Comment
  SEINET3101940  Galium andrewsii subsp. andrewsii Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17362 .2 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
  POM367709  Galium angustifolium subsp. angustifolium N. R. Zabriskie, W. M. Zabriskie 1972-6-18 526 Riverside Along fire road S of S end of Marion Ridge Rd., Pine Cove, NW of Idyllwild. 1921 Comment
  CAS-BOT-BC223054  Galium angustifolium subsp. gracillimum P. A. Munz; L. Street 1919-5-7 2729 Riverside Tahquitz Canon [Canyon] 243 Comment
  RSA6096  Galium angustifolium subsp. gracillimum Carl B. Wolf 1932-5-24 3648 Riverside 0.5 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 549 Comment
  UCD121590  Galium angustifolium subsp. gracillimum Geoffrey Levin 1975-4-26 482 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. 335 Comment
  POM36776  Galium aparine N. C. Cooper 1947-4-5 2040 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  JOTR32840  Galium multiflorum La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1481 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; granitic bouldery slopes above wash 1260 Comment
  UC1292634  Galium nuttallii subsp. nuttallii C. L. Hitchcock and C. V. Muhlick 1964-3-17 23104 Riverside 10 mi e Pala (on road to Elsinore) Comment
  SDSU14028  Galium porrigens var. porrigens Michael G. Simpson, Kim O'Connor 2000-4-29 2071 Riverside Rocky ridge, ca. 100 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  RSA0041955  Galium stellatum var. eremicum Duncan S. Bell, Marcel Beffort 2014-4-22 6600 Riverside Chuckwalla Mountains; western end of Corn Springs wash/canyon; approximately 0.75 air mile southwest of Aztec Well. 671 Comment
  RSA776344  Galium stellatum var. eremicum Duncan S. Bell 2010-3-20 624 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UC708732  Galium stellatum var. eremicum H. K. Wagnon 1944-4-30 382 Riverside Tahquitz Canyon Palm Springs (s rim) Comment
  UCR208931  Garrya flavescens Larry E. DeBuhr 1972-3-24 530 Riverside Peninsular Ranges; San Jacinto Mountains region, Santa Rosa Mountains, San Bernardino National Forest, along forest road 7S02 2195 Comment
  POM261678  Garrya flavescens var. pallida W. Pequegnat 1940-12-14 s.n. Riverside Main Divide Truck Trail, near Pleasant Pk. Santa Ana Mts. 1067 Comment
  POM13988  Geraea canescens P. A. Munz 1922-4-9 4891 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  POM358676  Geraea canescens N. C. Cooper 1949-4-8 3317 Riverside Desert Center. 610 Comment
  POM47485  Geraea canescens Mary F. Spencer 1920-3-11 1482 Riverside In desert sand, Mecca -60 Comment
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Nov 8 2011
  RSA716817  Geranium carolinianum A. C. Sanders 2004-4-20 27569 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  RSA717339  Gilia Scott D. White, Michael Honer 2003-4-25 9114 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  UCR127583  Gilia N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 182 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, 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 489 Comment
  UCR193420  Gilia A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35639 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UCR263242  Gilia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41477 Riverside San Gorgonio Pass, 3.3 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 445 Comment
  RSA645681  Gilia angelensis Scott D. White 1999-5-2 7289 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
  UCD117600  Gilia angelensis R. N. Raynor 1933-5-2 s.n. Riverside Box Springs Hills. Comment
  UCR16729  Gilia capitata J. N. Bullock 1970-5-18 P 33 Riverside Fifty meters east of Maitri Rd at a spot 200 m south of the junction of Maitri Rd and Calif. Hwy 71. 341 Comment
  SJSU11613  Gilia capitata subsp. abrotanifolia N. D. Addy 1962-4-16 Riverside Hwy 71 5 mi SE of Alberhill Comment
  UC879873  Gilia diegensis P. A. Munz and I. M. Johnston 1922-5-20 5484 Riverside Kenworthy San Jacinto Mts., Kenworthy 1402 Comment
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Mar 25 2011
  UCR237213  Gilia diegensis Duncan S. Bell, Valentin Arvizu 2010-5-10 988 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.1 air mi southeast of junction of FS Road 6S13 and FS Road 6S04 1349 Comment
  JEPS69623  Gilia latifolia W. I. Follett 1942-3-22 130 Riverside 7.8 mi e Mecca (Colorado Desert); Colorado Desert Comment
  UCR86151  Gilia maculata A. C. Sanders, M. Skinner 1995-4-6 16394 Riverside Sonoran (Colorado) Desert, NW end of Coachella Valley, wash east of Hwy 62 and south of Indian Avenue; 0.45 mi. south of Indian on Worsley Road 500 Comment
  SD129478  Gilia ochroleuca Ed LaRue 1989-6-11 Riverside West side of Lakeview Mountains, ca. 1.0 mile southeast of town of Nuevo. 640 Comment
  UC23663  Gilia ochroleuca subsp. exilis H. M. Hall June, 1901 2212 Riverside along water courses in the vicinity Strawberry Valley; San Jacinto Mountains, vicin Strawberry Valley 1600 Comment
  UC908938  Gilia ochroleuca subsp. exilis Herbert L. Mason 1926-4-30 3111 Riverside Temescal Canyon Comment
  RSA0017104  Gilia ochroleuca subsp. exilis P. A. Munz 1927-5-20 10867 Riverside Cohuila. Comment
  RSA776341  Gilia scopulorum Duncan S. Bell 2010-3-20 639 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 215 Comment
  UCR19801  Gilia splendens W. W. Mayhew 1977-7-12 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  CDA40024  Gilia stellata T. C. Fuller 1963-4-23 10278 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  JOTR34011  Gilia stellata La Doux, Tasha, M. Harding 2010-4-7 2899 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  RSA299418  Gilia stellata Marjorie D. Clary 1932-3-2 1623 Riverside Bajada, west of Coral Reef Ranch, 8 miles southwest of Coachella 91 Comment
  RSA770988  Gilia stellata J. Andre, T. La Doux 2009-2-25 10810 Riverside Chuckwalla Mountains: approx. 0.5 miles south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  SEINET7042772  Gilia tricolor subsp. diffusa W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Road shoulder on Long Valley Road north of Tecula. Ca. 0.1 mile east of U.S. 395 [=Interstate 15 & Route 79]. Comment
  RSA614468  Githopsis diffusa subsp. candida D. L. Banks 1997-4-5 1707 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  UCR112119  Githopsis diffusa subsp. candida A. C. Sanders 1998-6-10 21979 Riverside San Jacinto Mtns., FS road 6S13 toward Thomas Mtn., 1.3 mi. above Hwy 74 in Garner Valley at a point 3.1 mi. east of Keen Camp Summit, c. 1 mile due south of Lake Hemet 1463 Comment
  CAS-BOT-BC282820  Glyceria X occidentalis A. C. Sanders; S. Hawkins 1996-4-24 18088 Riverside Morongo Indian Reservation vicinity of natural pond and bog at SE edge of Burro Flats, San Bernardino Mtns. 1158 Comment
  UCR231043  Gnaphalium canescens subsp. microcephalum A. C. Sanders, Kent Beaman 2011-9-27 39919 Riverside Peninsular Range; Santa Ana Mtns., Main Divide Truck Trail, 0.95 km ENE (78 deg. ) of Santiago Peak summit 1402 Comment
  UCR91307  Gnaphalium luteoalbum 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
  CLARK-A1528-7803  Gnaphalium palustre John C. Roos 1952-6-8 5742 Riverside Reche Canyon 640 Comment
  UCR202597  Gnaphalium palustre Scott D. White, Justin M. Wood 2008-7-9 12432 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  RSA0004481  Godetia quadrivulnera var. rubrissima H. M. Hall 1905-06 6240 Riverside East base Box Springs Mt. 610 Comment
  SFV6322  Grayia spinosa T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 30 Riverside San Bernardino Mountains Whitewater Canyon Road, 3 miles north of Highway 60. 630 Comment
  RSA430051  Guillenia lasiophylla E. C. Jaeger 1920-03 s.n. Riverside Palm Springs. Comment
  RSA561421  Gutierrezia sarothrae Steve Boyd, Tim Ross, D. Bramlet 1992-9-9 7688 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  UC1214010  Gutierrezia sarothrae Otto T. Solbrig 1958-8-18 2756 Riverside on Hwy 74 3.4 mi w of junction with Hwy 71 Comment
  CLARK-A1045-114  Haplopappus linearifolius George K. Helmkamp 1977-3-20 Riverside Pinyon Pines area above west edge of Deep Canyon; Palm Desert 15'Q Comment
  UCR174462  Harpagonella palmeri A. C. Sanders 2006-5-19 32379 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
  RSA0066629  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-1 3116 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 524 Comment
  RSA0066630  Harpagonella palmeri Steve Boyd 1986-3-9 1396 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsethief Wash. 367 Comment
  SEINET2052382 Image available Hazardia squarrosa Howard S. Gentry 1972-8-1 23033 Riverside Gentry Ranch, 3.5 miles NE of Murrieta. 426 Comment
  RSA511060  Helianthemum scoparium var. scoparium Ed LaRue 1989-6-14 s.n. Riverside E edge of Plateau overlooking town of Murrieta; ca 1.25 mi W of town and ca 1 mi (airline) E of De Luz Road 549 Comment
  RSA609927  Helianthemum scoparium var. scoparium R. S. Woglum 1937-5-22 521 Riverside Peninsular Ranges: Northwest of the Palomar Mountains, Temecula. Comment
  RSA0012943  Helianthus californicus P. A. Munz 1922-9-5 6362 Riverside Strawberry Valley, north end. 1677 Comment
  UCSB9945  Helianthus nuttallii Philbrick, Ralph 1954-10-24 Riverside Four miles south of Chino Institute 213 Comment
  UCR176887  Hemizonia kelloggii Tracy Tennant 1998-7-1 s.n. Riverside San Jacinto Valley, SE of Winchester, 'North Hills', at south end of California Ave. 457 Comment
  UCR82772  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15774 Riverside San Jacinto Mountains, N slope of the mountains; Azalea Creek c. 0.5 mi. SW of the Twin Pines Ranch buildings, at road crossing just outside the ranch fence 1067 Comment
  UCR82774  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15783 Riverside San Jacinto Mtns, Azalea Creek above Twin Pines, Twin Pines Creek drainage 1192 Comment
  POM360325  Hemizonia paniculata Clyde Stratton 1943-7-23 s.n. Riverside Riverside Comment
  RSA660909  Hemizonia paniculata Mitch Provance 1998-3-5 524 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. 274 Comment
  RSA675685  Hemizonia paniculata Scott D. White 2001-6-19 8594 Riverside Sun City: Quail Valley east of Canyon Lake and west of Goetz Road. 442 Comment
  RSA683227  Hemizonia paniculata Scott D. White 2003-12-1 9891 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  UCR127561  Hemizonia paniculata A. C. Sanders, T. B. Salvato 2003-5-21 26787 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR139649  Hemizonia paniculata A. C. Sanders 2004-7-1 28373 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, c. 1.5 mile WNW of the "Menifee-Antelope Community Hall", 5 miles due south of Sun City 476 Comment
  UCR180057  Hemizonia paniculata Mitch Provance 2005-5-18 9818 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UCR114639  Hemizonia pungens subsp. laevis Fred M. Roberts 1992-8-5 4846 Riverside Anza Valley, Cahuilla Indian Reservation, near northern edge 1170 Comment
  UCR130517  Hemizonia pungens subsp. laevis R. E. Riefner Jr. 2003-5-27 03- 243 Riverside Elsinore Trough, city of Lake Elsinore, vicinity of Campbell Dr. and Diamond Drive 384 Comment
  UC843918  Hesperocallis undulata Mrs. Bradley 1922-4-10 Riverside near Mecca Comment
  UC1979550  Hesperocnide tenella Darin L. Banks, Steve Boyd 1995-5-9 421 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. Area, W of Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  RSA586951  Heterocodon rariflorum D. L. Banks, S. D. Boyd 1995-5-30 0480 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N Flank of Agua Tibia Mountain, along the Dripping Springs Trail; at first saddle area in section 34, NNE of the two peaks of Agua Tibia Mountain. 963 Comment
  RSA769628  Heteromeles arbutifolia E. W. Lathrop 1973-6-28 7432 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland Nat'l. Forest. 1220 Comment
  RSA0072391  Heteromeles arbutifolia E. W. Lathrop 1965-12-9 6039 Riverside 5 miles southwest of Murrieta on the De Luz truck trail. 457 Comment
  RSA0074449  Heterotheca fastigiata Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia, et. al. 2010-4-12 4534 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. 525 Comment
  SEINET11261242  Heterotheca grandiflora N. Duane Atwood 1993-3-28 17717 Riverside Bolsa Chica Ecological Reserve, California Dept. of Fish and Game.; 0 Comment
  UC32766  Heterotheca grandiflora E. L. Koethen 1897-10-16 B Riverside w Riverside Comment
  POM266279  Heterotheca horrida subsp. cinerascens J. C. Roos 1942-10-24 2571 Riverside Wonderland of Rocks' Joshua Tree National Monument. Comment
  POM12887  Heuchera hirsutissima P. A. Munz 1922-7-7 6044 Riverside Summit of San Jacinto Peak. 3287 Comment
  UCSB26903  Heuchera hirsutissima Wilken, Dieter 1969-6-30 Riverside Santa Rosa Springs, Santa Rosa Mountains 2377 Comment
  HSC93853  Hirschfeldia incana Scott D. White 1996-4-14 3906 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Hwy. 74, 1.7 mi. W of USFS Cranston Fire Station 534 Comment
  SD137829  Hirschfeldia incana Darin L. Banks, Steve Boyd 1995-5-3 198 Riverside Agua Tibia Mountains Watershed; North slope of Agua Tibia Mountains, east of the Dripping Springs Alcove Area, along the lower alluvia benche 505 Comment
  RSA0087458  Hoffmannseggia glauca Sarah J. De Groot, Amy Rouillard 2015-9-15 7570 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  SEINET5554570  Hoffmannseggia glauca J. C. Roos 1965-1 s.n. Riverside 17 mi W of Blythe Colorado Desert Comment
  SJSU4395  Hoffmannseggia glauca T. N. Seeno 1963-4-12 271 Riverside Chuckwalla Valley on Hwy 60-70, 20 mi W of Blythe Comment
  UCD105847  Hoffmannseggia glauca Lloyd P. Sharp 1938-5-25 s.n. Riverside Mecca. Comment
  CAS-BOT-BC207571  Hoffmannseggia microphylla E. A. McGregor 1917-3-18 723 Riverside 1 mi up Painted Canyon [Canon] Comment
  SD146275  Hoffmannseggia microphylla A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23369 Riverside Coachella Valley, east side of Coachella Canal between I-10 & Ave. 52, east of Coachella (Thermal Casnyon 7.5' Q.); low area where water accumulates above the canal berm 24 Comment
  UCD105851  Hoffmannseggia microphylla Richard Bates 1949-4-28 s.n. Riverside Cathedral city, southeast of Palm Springs. Comment
  UCR2463  Holcus lanatus F. M. Reed 1907-6-23 1434 Riverside Santa Ana River, City of Riverside, old field in the Santa Ana River bottom above the bridge on the West Riverside Road 244 Comment
  RSA309523  Holodiscus discolor James R. Shevock 1978-4-26 5904 Riverside Northeast side of Pleasants Peak, Cleveland National Forest 1189 Comment
  SD152760  Holodiscus discolor Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7357 Riverside Southern Santa Ana Mountains, San Mateo Canyon wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Tenaja Canyon 366 Comment
  CAS-BOT-BC150023  Holodiscus discolor var. discolor H. M. Hall 1901-7-1 2465 Riverside [Tauquitz] Tahquitz Valley 2560 Comment
  UCR211706  Hordeum depressum Fred M. Roberts, Michelle Balk 2006-5-2 6329 Riverside San Jacinto Valley, Hemet, Stoney Mountain Preserve, 1.0 km north of the summit of Tres Cerritos Hills and 0.4 km southeast of the junction of Warren Road and Esplanade Road 458 Comment
  UCR189804  Hordeum intercedens Theresa Johnson 2007-5-9 343 Riverside Peninsular Range, San Jacinto Wildlife Area; c. 500 m west of Davis Road, southwest of riparian area Comment
  UCR228255  Hordeum marinum A. C. Sanders, T. B. Salvato 2011-4-1 38931 Riverside Peninsular Range, Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  RSA599098  Hordeum vulgare V. W. Steinmann 1996-4-13 827 Riverside East of route 15 along Temescal Canyon Road 1.3 kilometers southeast of junction with Indian Truck Trail 350 Comment
  UCR193407  Horkelia clevelandii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35576 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, near May Valley Rd. 1570 Comment
  UCSC001449  Horkelia clevelandii Peter Kamb 1947-6-7 562 Riverside San Jacinto Mts, Hall Canyon 1646 Comment
  RSA502893  Hulsea heterochroma Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mountains, on Thomas Mtn Rd., S of Thomas Mtn. Lookout. Comment
  RSA587420  Hulsea heterochroma D. L. Banks, S. D. Boyd 1995-6-2 0564 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, approximately 1/4 mile S of the clay grasslands in S32. 902 Comment
  CAS-BOT-BC312593  Hulsea vestita subsp. callicarpha F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  POM12655  Hulsea vestita subsp. callicarpha P. A. Munz 1922-7-9 6405 Riverside Above Tamarack Valley. San Jacinto Mts. 3048 Comment
  SEINET480192  Hulsea vestita subsp. callicarpha D. Wilken 1969-6-30 Riverside Riverside County Road R1, near Black Mtn. junction, 8.6 miles north of Idyllwild, San Jacinto Mtns. Comment
  UCSB26737  Hulsea vestita subsp. callicarpha Wilken, Dieter 1969-6-30 Riverside Riverside County Road R1, at junction of Dark canyon Road, 5 miles northeast of Idyllwild, San Jacinto Mtns. 1524 Comment
  RSA234092  Hydrocotyle ranunculoides R. F. Thorne, E. W. Lathrop 1969-6-6 39347 Riverside Santa Rosa Plateau: Ranch California; along small stream. 610 Comment
  POM3216  Hydrocotyle umbellata D. L. Crawford 1919-07 s.n Riverside [Unspecified] Comment
  SEINET11847653  Hymenoclea salsola Unknown 1936-1 12744 Riverside Colorado Desert N of Palm Springs Comment
  POM113425  Hymenoxys cooperi J. B. Feudge 1926-5-9 1371 Riverside Keyes Ranch, Little San Bernardino Mts 1220 Comment
  UCSB4124  Hypericum scouleri Kamb, Peter 1948-10-31 Riverside Hall Canyon; San Jacinto Mts Comment
  RSA544396  Hypochaeris glabra Steve Boyd 1991-5-30 6323 Riverside Winchester Valley, SE end of Double Butte, just N of Winchester, 1/2 mile W of Highway 79 457 Comment
  CAS-BOT-BC219751  Hyptis emoryi W. R. Dudley 1903-12-28 s.n. Riverside Near Palm Springs Comment
  POM118341  Hyptis emoryi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA1268  Hyptis emoryi B. D. Stark 1930-4-1 1498 Riverside Near Cathedral City. Comment
  UC400190  Hyptis emoryi Ynes Mexia 1929-2-15 2326 Riverside near Palm Springs (Murray Canyon); , near Palm Springs Comment
  UC577724  Hyptis emoryi H. S. Yates 1936-4-6 5412 Riverside Palm Springs; San Jacinto Quad., Palm Springs Comment
  RSA772331  Isocoma acradenia var. eremophila Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4511 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC891887  Isocoma acradenia var. eremophila Carl B. Wolf 1932-10-13 Riverside 4.5 mi se Mecca (Caleb (S.P.R.R. siding)); Colorado Desert -60 Comment
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Jul 16 2015
  SEINET1908668  Isocoma menziesii A. C. Sanders, D. L. Sanders 2008-1 36101 Riverside San Bernardino Valley Region: Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c, 1 mile NEW of River Rd. bridge (Cornona North 7.5') Comment
  UCR193294  Isoetes orcuttii A. C. Sanders, Tim Thomas 2008-6-20 35544 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR60763  Isoetes orcuttii R. F. Thorne 1973-5-23 43853 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  UC857721  Isomeris arborea I. W. Clokey and B. C. Templeton 1930-4-9 4703 Riverside Palm Springs Station; Colorado Desert 210 Comment
  UCR120691  Isomeris arborea Helen Kennedy, T. B. Salvato 2002-2-2 5446 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  UCR279366  Isomeris arborea A. C. Sanders, Jim Malusa 2017-3-24 42967 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  RSA588166  Jepsonia parryi D. L. Banks, Steve Boyd 1995-10-17 0800 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  UC570880  Jepsonia parryi Herbert L. Mason 1926-5-1 3199 Riverside Temecula Valley Comment
  CAS-BOT-BC167227  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37145 Riverside Peninsular Range: Box Springs Mtns. Foothills, Riverside, dry arroyo on UCR campus SE of student health center and just north of North Campus Drive 320 Comment
  CAS-BOT-BC110074  Juncus acutus David B. Dunn 1948-2-21 3689 Riverside Pushawalla Canyon, Indio Hills of the Colorado Desert. West of Indio. Comment
  JEPS66903  Juncus acutus subsp. leopoldii Jos. Burtt Davy 1902-3-25 7935 Riverside Indio Comment
  UC483328  Juncus acutus subsp. leopoldii W. R. Dudley 1894-8-20 Riverside 6 mi e Indio (near Palm Grove) Comment
  SDSU13313  Juncus arcticus var. mexicanus Shawn Johnston, Calf. Plant Taxonomy Class Spring 2000 2000-4-1 14 Riverside Santa Margarita Ecological Reserve North end. Comment
  RSA387354  Juncus bufonius Steve Boyd 1986-4-19 1718 Riverside Temescal Canyon: Warm Springs Valley, Alberhill Creek drainage, E of Nichols Road. Comment
  UCR19750  Juncus bufonius E. W. Lathrop 1966-5-11 6281 Riverside Santa Ana Mtns., Santa Rosa Plateau, 3 mi SW of Murrieta on the De Luz Road, first canyon to the right of the road 396 Comment
  UCR202245  Juncus bufonius Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR232354  Juncus bufonius John F. Green 2008-4-16 C- 01 Riverside Peninsular Range; Perris-Aguanga Valley, SSE of Romoland, powerline route north of McLaughlin Rd, between Palomar and Dawson roads 442 Comment
  UCR117310  Juncus hemiendytus A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 738 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UC1931127  Juncus macrophyllus Scott D. White, Justin Wood 2008-6-18 12248 Riverside San Jacinto mountains; Meadow N/ W of Keen Camp Summit, S/W of highway 79. (Idyllwild). Comment
  UC1601812  Juncus oxymeris H. M. Hall Jul 1901 Riverside vicinity Deer Springs; San Jacinto Mts. 2590 Comment
  CHSC106635  Juncus rugulosus P. F. Zika; Nick Otting 2010-8-3 25250 Riverside Lake Fulmor, above Route 243, Hall Canyon, Black Mountain, San Jacinto Mountains. 1650 Comment
  UCR164070  Juncus rugulosus John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, Los Alamos Canyon 1.5 mi. SW of Los Alamos Ranch, just outside Cleveland Nat. Forest boundary 564 Comment
  UCR24955  Juncus rugulosus A. C. Sanders 1980-7-22 1711 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the N fork of the San Jacinto River, along Forest Service Road 4S02, c. 0.1 mi south of Dark Canyon campground and c. 2.5 - 3 mi north of Pine Cove 1768 Comment
  RSA192145  Juncus textilis H. A. Zuill 1966-6-5 192 Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
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Feb 12 2013
  UCD141897  Juncus tiehmii Barbara Ertter; J. Strachan 1979-6-26 2971 a Riverside Kenworthy Forest Station on Hwy 74 in Garner Valley, San Jacinto Mountains. Comment
  UCR121817  Juncus torreyi A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24598 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
  SDSU1840  Juniperus californica A. H. Gallup 1949-3-28 357 Riverside Palms to Pines Hwy. above Desert Center [interpreted to be Palm Desert], in dry wash, east slope, San Jacinto Mt. Range, Colorado Desert drainage area 762 Comment
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Jan 30 2013
  SEINET5450457 Image available Juniperus californica Richard Carter 1984-12-18 3862 Riverside 1.1 mi. S of Pinyon Canyon- along Hwy. 74. Comment
  SEINET182381  Justicia californica I. W. Clokey 1935-4-17 6888 Riverside Cottonwood Springs Comment
  UC729949  Justicia californica B. D. Stark 1932-6-17 3753 Riverside e. end Box Canyon; Colorado Desert, Eagle Mts., Box Canyon 182 Comment
  UCR33576  Kallstroemia californica Sears 1977-10-12 S 582 b Riverside Sonoran (Colorado) Desert, 20 mi. east of Desert Center, 10 mi. east of Corn Springs exit 134 Comment
  CAS-BOT-BC434233  Keckiella antirrhinoides Tracy Tennant; Jeffrey Ross 1998-4-30 MOR- 01 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, just inside gate at mouth of Hathaway Canyon. 741 Comment
  RSA604851  Keckiella antirrhinoides Scott D. White 1995-3-30 2652 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr., (USGS Sunnymead 7 1/2' quad shows ''Moreno'' BM 2067 at top of hill) 579 Comment
  UC1012296  Keckiella antirrhinoides F. W. Pennell and A. L. Grant Apr 28 1940-Apr 29 1940 25290 Riverside below Ribbonwood (Route 74, e of San Jacinto Range) 1402 Comment
  UCSB17552  Keckiella antirrhinoides Winn, Will 1963-5-4 Riverside 13.3 miles north of Lake Fillmore picnic area; Highway 1 853 Comment
  SEINET10956018  Keckiella antirrhinoides var. antirrhinoides Greg Gust, Leith Nye 2005-3-11 Gust 544 Riverside Lake Elsinore City Limits. Hwy 74 ca. 2 mile W of Lake Elsinore on hill slope pullout. 691 Comment
  UC729831  Keckiella rothrockii var. jacintensis Carl B. Wolf 1932-8-5 Riverside trail from Idyllwild to Tahquitz Valley; San Jacinto Mts., Summit of Devil's Slide 2438 Comment
  CAS-BOT-BC246223  Keckiella ternata subsp. ternata H. M. Hall 1901-8-1 2634 Riverside Vicinity of Chalk Hill, San Jacinto Mountains 1584 Comment
  RSA801951  Koeleria macrantha LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6162 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  UCR2493  Koeleria macrantha F. M. Reed 1932-7-2 7294 Riverside San Jacinto Mountains, Camp Emerson, Idyllwild 1524 Comment
  SBBG24914  Krameria bicolor D. Myrick 1966-4-1 1348 Riverside adjoining Linda Vista Lodge, Desert Hot Springs Comment
  RSA0123997  Krameria erecta Duncan S. Bell, Thomas Stoughton 2016-4-12 9234 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 Comment
  RSA409437  Krameria erecta N. R. Zabriskie, W. M. Zabriskie 1972-4-9 514 Riverside Northwest of Hwy 74, Deep Canyon drainage, Santa Rosa Mountains. 1220 Comment
  CLARK-A1528-5688  Krameria grayi John C. Roos 1946-5-15 3856 Riverside Eagle Mountains Comment
  UC61700  Krameria grayi L. D. Copeland 1904-4-30 2 Riverside near Palm Springs; near Palm Springs Comment
  UCR202038  Krameria grayi Denise Woodard 1998-6-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  UCR74379  Krameria grayi Theo Glenn 1991-5-1 91- 52 Riverside Sonoran (Colorado) Desert, McCoy Mts, NW of Blythe 240 Comment
  SD143875  Lamium amplexicaule Scott D. White 1993-3-3 1089 Riverside Romoland/Winchester Area 440 Comment
  POM301536  Lamium amplexicaule J. C. Roos 1938-3-12 1642 Riverside Orchard, La Sierra. Comment
  RSA390027  Larrea tridentata Bonnie C. Templeton 1931-4-9 s.n. Riverside N of Palm Springs Comment
  UCR52004  Larrea tridentata var. tridentata Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2149 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  SD140184  Lasthenia californica A. C. Sanders 1993-4-5 13694 Riverside Western edge of Hemet, along south side of Devonshire Avenue between Old Warren and Warren Roads, southwest of Tres Cerritos and north of Florida Avenua (Hwy 74). 459 Comment
  IRVC26814  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1997-3-13 2490 Riverside Nichols Road Wetlands, ca 335 m SE of Nichols Road, 91m W of Collier Ave. and 305 m W of the I15, E of the existing dirt road extending S from Nichols Rd. and adjacent to Alberhill Creek 381 Comment
  IRVC27654  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1997-3-13 2490 Riverside Nichols Road Wetlands, ca 335 m SE of Nichols Road, 91m W of Collier Ave. and 305 m W of the I15, E of the existing dirt road extending S from Nichols Rd. and adjacent to Alberhill Creek 381 Comment
  RSA609951  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-15 2231 Riverside The site is adjcent to 150m north of the Colorado River aqueduct road, some 620m east of warren Road. The site is approximatly 150-305m south of the Ramona Expressway. 427 Comment
  JEPS29298  Lasthenia gracilis Rimo Bacigalupi and L. Heckard 1962-3-25 8393 Riverside low rolling hills just e Bedford Canyon (about 5 mi se of Corona); eastern base Santa Ana Mountains 304 Comment
  POM55167  Lasthenia gracilis C. F. Baker 1904-4-4 4087 Riverside Elsinore. Comment
  RSA644636  Lasthenia gracilis Scott D. White 1993-3-12 1144 Riverside San Jacinto Valley: between aqueduct and Warren Road. 457 Comment
  RSA716421  Lasthenia gracilis Scott D. White 2006-4-27 11307 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UC1719501  Lathyrus sulphureus D. Atwood 1993-3-26 17654 Riverside Summit of Santa Ana Mountains, 4.8 mi S of Lake Elsinore, along Hwy 74 812 Comment
  RSA282931  Lathyrus vestitus subsp. alefeldii C. W. Tilforth, B. Busenberg 1980-4-10 1981 Riverside Along north leg of Thomas Mountain Road, south of Lake Hemet, west of Hwy 74 Comment
  RSA406640  Lathyrus vestitus subsp. alefeldii N. C. Cooper 1944-4-22 1130 Riverside Banning 701 Comment
  SDSU12885  Lathyrus vestitus var. alefeldii J. Jill Steinberg with Janet Knotts 1998-4-22 48 Riverside On south side of foot trail, approximately 60 feet east of stream at top of gully, about 1/2 mile northwest of Santa Margarita (SDSU) Field Station trailer, north of Santa Margarita River. 354 Comment
  UCR114321  Lavatera cretica Mitch Provance 1998-3-30 288 Riverside Riverside, Hillside area, NE corner of Phoenix and Arlington Aves., behind Taco Bell 232 Comment
  UCR165607  Layia glandulosa T. B. Salvato, John F. Green 2004-5-27 705 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  CAS-BOT-BC379628  Layia platyglossa L. R. Abrams 1935-4-7 13669 Riverside Gavilan Hills, 2 mi. SW of Perris Comment
  UCR201455  Layia ziegleri Scott D. White, Justin M. Wood 2008-5-15 11985 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  CLARK-A1528-4707  Leersia oryzoides John C. Roos, Lucille Roos 1951-10-24 5345 Riverside Riverside 259 Comment
  UC1608010  Leersia oryzoides A. C. Sanders with O. F. Clarke and C. N. P. S. 1991-10-5 11740 Riverside 50-100 m below Lake Evans (between Lake Evans and Santa Ana River Fairmont Park, along Spring Brook); Riverside, Fairmont Park, Spring Brook Comment
  RSA192135A  Lemna gibba E. W. Lathrop 1965-3-30 5608 -A Riverside 12 miles west of Murrieta. Comment
  RSA234095  Lemna gibba Robert F. Thorne, E. W. Lathrop 1969-6-6 39344 Riverside Santa Rosa Plateau: Rancho California 610 Comment
  JOTR35937  Lepidium fremontii De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6885 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 883 Comment
  POM118639  Lepidium fremontii Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sink near Oasis. Comment
  RSA429933  Lepidium lasiocarpum M. B. Dunkle 1935-3-31 4435 Riverside Pinto Basin 915 Comment
  RSA49168  Lepidium lasiocarpum P. A. Munz 1949-4-13 13 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  SD217251  Lepidium lasiocarpum Steve Boyd, Tim Ross and Orland Mistretta 1992-2-2 6640 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest; Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  UC218036  Lepidium lasiocarpum var. lasiocarpum P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4905 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 609 Comment
  RSA736758  Lepidium latifolium Scott D. White, Lynn Stafford 2007-6-27 11750 Riverside Santa Ana River floodplain just below Prado Dam. 134 Comment
  SBBG101735  Lepidium nitidum S. Boyd with D. Bramlet 1991-5-13 6240 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
  UCR241768  Lepidium strictum A. C. Sanders 2013-4-9 40785 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, along SCE powerline route east of I-215, parallel to McLaughlin Rd., near intersection of McLaughlin and Dawson Rd., SE of Perris 439 Comment
  UCR167863  Lepidium virginicum T. B. Salvato, John F. Green 2004-5-27 645 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  RSA429666  Lepidium virginicum var. pubescens E. Crow 1929-4-21 334 Riverside North of Alberhill Comment
  UCR201452  Lepidium virginicum var. pubescens Scott D. White, Justin M. Wood 2008-6-16 12137 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  UCR174372  Lepidium virginicum var. robinsonii A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32656 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  RSA741062  Lepidium virginicum var. virginicum Scott D. White, Justin M. Wood 2008-6-5 12069 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  JEPS30687  Lepidospartum squamatum Peter H. Raven 1961-10-8 16841 Riverside Whitewater Wash along Snow Creek Road, near State Highway 111 350 Comment
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Jun 9 2012
  UC133438  Lepidospartum squamatum C. R. Orcutt 1883-11-1 Riverside Riverside Comment
  CAS-BOT-BC274376  Leptochloa panicea subsp. brachiata Malcom A. Nobs; S. Galen Smith 1948-9-3 489 Riverside 2 miles north of Indio Comment
  CDA29073  Leptochloa uninervia Mike Lahti 2008-12-12 PDR# 1509355 Riverside Hemet. Bautista Creek Ranches, 45200 Bautista Road, near Fairview Avenue. 0 Comment
  SEINET3101910  Leptodactylon californicum Marc A. Baker, with Michelle Cloud-Hughes 2011-6-13 17382 Riverside San Jacinto Mountains, 3km NE of Idyllwild, north side of Suicide Peak, 500m east of Marion Creek Comment
  UCSB5176  Leptosiphon ciliatus Kamb, Peter 1947-6-7 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  HSC85325  Leptosiphon lemmonii Steve Boyd 1986-4-2 1633 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA74294  Leptosiphon lemmonii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA180503  Leptosiphon liniflorus E. W. Lathrop 1959-5-17 4559 Riverside 10 miles W of Murrieta. Comment
  RSA469972  Leptosiphon parviflorus Christopher Davidson 1973-4-1 1831 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 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
  UCR133963  Lessingia filaginifolia Mitch Provance, J. S. Ross 1998-3-27 MOR- 955 Riverside San Bernardino Mtns., Morongo Indian Reservation, road to Lion Cyn., c. 2.1 miles NE of Cabazon 549 Comment
  JEPS20574  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2929 Riverside top of control on road to Hemet (Mt. San Jacinto); Mt. San Jacinto Comment
  POM253439  Lessingia glandulifera var. glandulifera Thos. Craig, Frances Craig 1939-11 s.n. Riverside Aguanga. Comment
  SD28107  Lessingia glandulifera var. glandulifera Carl B. Wolf 1932-8-4 3925 Riverside San Jacinto Mountains; Strawberry Valley; 1.5 miles from Idyllwild on road to Banning. 1705 Comment
  RSA781835  Leymus condensatus Michael Wall 2011-8-5 611 Riverside Along Bautista Canyon Rd., confluence of unnamed canyon ca. 1.5 miles SE of jct. with Fairview Ave. 629 Comment
  UCR260894  Ligustrum japonicum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41526 Riverside Moreno Valley, south side of Allesandro Blvd. west of Graham St., north of Brodiaea Ave. 488 Comment
  CAS-BOT-BC451629  Lilaea scilloides Philip A. Munz 1941-5-18 16663 Riverside North end of Santa Rosa Ranch, Elsinore Mts. 914 Comment
  UCR224046  Limonium duriusculum Justin M. Wood 2009-11-30 1386 Riverside Southwest Perris Basin, Temecula, Murrieta Creek, downstream of 1st Street Bridge 305 Comment
  UCR256805  Linanthus dianthiflorus T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7863 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 500 Comment
  UCR59750  Linanthus dianthiflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3092 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, west of Woodchuck Rd. 512 Comment
  POM364583  Linanthus dianthiflorus subsp. dianthiflorus N. C. Cooper 1949-10-25 1014 Riverside Banning. 701 Comment
  POM65865  Linanthus dianthiflorus subsp. dianthiflorus H. M. Hall 1902-04 2942 Riverside Vicinity of Riverside 366 Comment
  RSA73087  Linanthus dianthiflorus subsp. dianthiflorus F. W. Peirson 1922-5-20 4471 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  RSA0095278  Linanthus filiformis J. C. Roos 1958-3-15 s.n. Riverside 3 miles SE of Desert Center, Chuckwalla Mtns. Comment
  GMDRC3554  Linanthus jonesii J. Andre, T. La Doux 2009-2-25 10829 Riverside Big Maria Mountains: along Hwy 95 (west side of highway), approx 15 mi. N. of Blythe. USGS 7.5 min. Quad: Big Maria Mountains 33 deg. 44.529' N 114 deg. 30.988' W. Elev. 308 ft. 94 Comment
  JOTR35265  Linanthus jonesii La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3251 Riverside Joshua Tree National Park. West Cottonwood Mountains; southeast edge of Pinkham Wash, east of Pinkham Canyon Road; rocky flats between small drainages in mouth of Pinkham Wash (Stop 1) Comment
  RSA777825  Linanthus jonesii J. Andre, G. L. Clifton 2011-2-22 17457 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca. 219 Comment
  UC354453  Linanthus liniflorus Edmund C. Jaeger 1925-5-1 Riverside Aguanga 883 Comment
  CLARK-A1528-711  Linanthus maculatus Charlotte Stocks 1965-5-10 Riverside Whitewater Wash Comment
  SEINET273138 Image available Linaria canadensis var. texana O. F. Clarke 1997-3-4 5454 Riverside Riverside: vacant lot at back of St. George's Episcopal church corner of SPruce St. and Watkins Dr. 305 Comment
  UCR123612  Linum usitatissimum T. B. Salvato 1999-5-31 108 Riverside Upper Santa Ana River Basin/San Bernardino Valley, Riverside, residence at 1009 Bascomb Drive 305 Comment
  RSA0010988  Lithophragma affine Thekla Mohr 1920-05 s.n. Riverside Ivy Canyon, Temescal. Comment
  UCR52560  Lithophragma parviflorum David Charlton 1988-5-21 1963 Riverside San Jacinto Mtns., Thomas Mtn Rd, west of Garner Valley and south of Lake Hemet on Hwy 74 1829 Comment
  RSA612778  Loeflingia squarrosa D. L. Banks, Victor Steinmann 1997-3-13 1424 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  SD137812  Loeflingia squarrosa var. squarrosa Darin L. Banks, Steve Boyd 1995-5-3 207 Riverside Agua Tibia Mountains Water Shed;Cleveland National Forest, Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain. 495 Comment
  CHSC8345  Loeseliastrum matthewsii Edward L. Smith 1958-3-22 398 Riverside Located at sand dunes 3 mi. s Rice, Little Santa Maria Mts. 335 Comment
  CHSC1264  Loeseliastrum schottii F. Hughes 1935-4-16 Riverside Colorado desert. Comment
  HSC66545  Loeseliastrum schottii Christopher Davidson 1979-4-4 7702 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi. E of Mecca. 213 Comment
  RSA77059  Loeseliastrum schottii F. W. Peirson 1914-04 953 Riverside Whitewater at head of Coachella Valley. Comment
  JOTR34291  Logfia filaginoides Andre, Jim 2012-4-11 20700 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  SEINET271858 Image available Lolium perenne subsp. multiflorum A. C. Sanders, KD Jones; D. Malueg 1996-4-20 18055 Riverside San Jacinto River between Nuevo and Lakeview from 11th to 13th Streets alkaline flats on the east side of the river ch 433 Comment
  UCSB38672  Lomatium mohavense Cowan, Clark 1978-4-23 Riverside 17.3 mi. (27.2 km.) S adn W on Hwy 74 from jct. with 111 at Indian Wells; Santa Rosa Mts.; San Bernardino National Forest 1180 Comment
  CAS-BOT-BC234891  Lonicera subspicata var. denudata Carl B. Wolf 1933-8-24 5377 Riverside E. slope Santa Ana Mts. 1/2 mi. below summit of Bedford Motorway 975 Comment
  CSUSB1266  Lotus argophyllus Grace Sprague 1968-5-3 Riverside Whitewater Canyon wash, on drier shelf of wash Comment
  RSA583362  Lotus argophyllus Steve Boyd, Darin Banks 1995-4-5 8418 -B Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  UCR84621  Lotus argophyllus Scott D. White 1994-4-21 1994 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  JEPS79925  Lotus argophyllus var. argophyllus C. B. Clokey, I. W. Clokey, B. C. Templeton 1930-4-15 4638 Riverside Perris-Gavilan Peak 600 Comment
  RSA605759  Lotus argophyllus var. argophyllus Scott D. White 1996-3-16 3824 Riverside Lakeview Mountains: Perris Basin, Lakeview Mts, N of Winchester, at ''Maze Stone'' Picnic Area 610 Comment
  SEINET10450468  Lotus argophyllus var. ornithopus David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-15 Dunn 20758 Riverside Along hwy 74 w of the jct rd to idyllwild, 11 mi w, at the lower edge of the coulter pines and near the chaparral. Decomp. Granite. Comment
  RSA0093975  Lotus hamatus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37673 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. 372 Comment
  UCR174444  Lotus hamatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32509 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
  RSA614598  Lotus heermannii A. C. Sanders, Steve Ogg 1994-7-28 15177 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd Bridge 243 Comment
  SDSU13583  Lotus heermannii var. heermannii W. Miller with C. Mosse 1972-7-5 Riverside Comment
  UCR174358  Lotus humistratus A. C. Sanders 2006-5-19 32382 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
  UCR135983  Lotus purshianus A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27905 Riverside Peninsular Range, Alberhill Mountain, around dried pool in bottom of a large clay pit 445 Comment
  SEINET3562898 Image available Lotus salsuginosus C. L. Hitchcock 1940-3-30 5872 Riverside Cottonwood Spring Comment
  UC1546723  Lotus salsuginosus var. brevivexillus Barry A. Prigge 1988-2-21 7845 Riverside 2 mi w Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  UCR269856  Lotus salsuginosus var. brevivexillus A. C. Sanders, Jim Malusa 2016-3-17 42356 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, along Gasline Road at major wash crossing 1.9 miles south of Bradshaw Trail 675 Comment
  UCR192716  Lotus scoparius subsp. brevialatus A. C. Sanders, Mike Misenhelter 2008-6-10 35448 Riverside San Bernardino Valley, Glen Avon, San Sevaine Wash south of Hwy 60 and of San Sevaine Way, east of concrete channel 231 Comment
  UCR275359  Lotus scoparius var. brevialatus T. B. Salvato, Melissa Clemons 2005-6-9 1502 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  JOTR33849  Lotus strigosus La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3061 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sandy wash leading to Pinto Wash 354 Comment
  UCR103169  Lotus strigosus Scott D. White, Julie Greene 1997-3-12 4780 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  UCR163591  Lotus strigosus O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  RSA0036911  Lotus strigosus Matt Bogdanoff 1981-4-11 6 Riverside Cajalco Rd., 5.4 mi E of junction with La Sierra Ave., SE of Lake Matthews. South of Cajalco Rd., 487 Comment
  RSA145915  Lotus strigosus var. tomentellus William M. Klein 1958-2-11 31 Riverside 2.6 mi. east of Cabazon on hwy. 70-99 545 Comment
  RSA90388  Lotus strigosus var. tomentellus F. W. Peirson 1921-4-13 4085 Riverside Deep Canyon, about 12 miles southeast of Palm Springs. 274 Comment
  POM172736  Lotus tomentellus M. French Gilman 1930-4-6 5 Riverside [Monsen] Canyon, Eagle Mts. Comment
  RSA395900  Lotus wrangelianus Steve Boyd 1986-4-22 1765 Riverside Terrace escarpment W side of Indian Wash, S of I -15. Comment
  RSA0043329  Lupinus John F. Emmel 1991-5-18 1172 Riverside Hemet; near intersection of Hemet Street and Thornton Avenue. 536 Comment
  POM349959  Lupinus arizonicus M. B. Dunkle 1935-3-30 4428 Riverside Pinto Basin, Colorado Desert. 915 Comment
  RSA161290  Lupinus arizonicus Peter H. Raven 1958-3-15 11841 Riverside Box Canyon. Comment
  RSA414836  Lupinus arizonicus George R. Johnston 1930-4-14 s.n. Riverside Shaver's Well Riverside. Comment
  RSA86946  Lupinus arizonicus F. W. Peirson 1920-3-16 703 Riverside Sandy places opposite mouth of Andreas Canyon, Southwest of Palm Springs. Comment
  SBBG3535  Lupinus arizonicus H. and M. Dearing 1939-12-31 4063 Riverside near NE end of Salton Sea Comment
  UC1922391  Lupinus arizonicus Naomi Fraga, Lisa Rojas 2005-2-10 1371 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR142845  Lupinus arizonicus N. C. Cooper 1944-4-8 1083 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Andreas Canyon 305 Comment
  UCR165640  Lupinus arizonicus 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
  SEINET10837901  Lupinus arizonicus subsp. setosissimus Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 Holmgren 6471 Riverside Rice valley, 5.1 miles ssw of rice. T2s,r20e,sec.9. Locally common in sandy Gullies. Petals purple, the banner with yellow or red spots 274 Comment
  UCR107405  Lupinus bicolor B. G. Pitzer 1997-3-23 2989 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
  RSA562462  Lupinus bicolor subsp. marginatus Steve Boyd, T. S. Ross 1992-5-5 7229 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  RSA501043  Lupinus bicolor subsp. microphyllus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3164 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  JOTR34141  Lupinus concinnus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler, D. Shade 2011-4-26 3159 Riverside Joshua Tree National Park. NW tip of the Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  SBBG69034  Lupinus concinnus M. N. Ackley -Mar-1922 524 Riverside Murrieta Hot Springs 398 Comment
  UCR52002  Lupinus concinnus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2201 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UCSB3265  Lupinus concinnus Ralph, F. 1959-5-17 Riverside Along roadside of Pines to Palms Hwy. 74; about 17.2 miles north of Pinon Flats Campground; San Jacinto Mtns. 1371 Comment
  UCR139025  Lupinus concinnus subsp. concinnus D. L. Banks 1997-4-5 1691 Riverside Agua Tibia Mtns., NW Palomar Mtns: Pechanga Indian Reservation. south of Dorland Mountain, just west of the Wilderness Area Boundary, along a tributary of the N fork of Pechanga Creek 640 Comment
  RSA407144  Lupinus concinnus subsp. orcuttii N. C. Cooper 1944-4-22 2634 Riverside Banning. 732 Comment
  POM50377  Lupinus densiflorus var. lacteus W. W. Eggleston 1924-3-8 19523 Riverside Hemet. 480 Comment
  OBI42759  Lupinus excubitus Melody Lardner 1981-5-19 188 Riverside Collected in the Main St Cyn in the Santa Ana Mts, 3.5 mi S of Hwy 91 at the end of Main St 427 Comment
  SEINET10543985  Lupinus formosus David B. Dunn, Melvin L. Conrad; Patricia L. Kenney 1973-6-15 Dunn 20769 Riverside Coll at the jct of hwy 74 and 71. A gas station on the sw corner. Area generally chaparral with shaggy adenostema. 1433 Comment
  RSA413699  Lupinus hirsutissimus Ora M. Clark 1929-3-16 1685 Riverside South of Cabazon, Colorado Desert. Comment
  POM2421  Lupinus longifolius Robinson, Crocker 1916-3-28 735 Riverside Santa Ana Mountains: Comment
  RSA714379  Lupinus microcarpus John Green 2005-4-28 s.n. Riverside Peninsular Range; Southern Santa Ana Mtns.: Santa Rosa Plateau, hills on the south side of Teaja Rd., between Squaw Mtn. and De Luz Creek. 655 Comment
  UCR174247  Lupinus microcarpus A. C. Sanders, T. B. Salvato 2006-6-2 33071 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. 579 Comment
  POM2485  Lupinus microcarpus var. densiflorus M. French Gilman 1904-1 42 Riverside Banning. Comment
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Mar 13 2011
  CDA27582  Lupinus sparsiflorus G. D. Barbe, T. C. Fuller 1973-2-27 1046 Riverside Colorado Desert; 0.2 mile east of Coachella Canal on Highway 195 east of Mecca; Box Canyon Wash. 0 Comment
  JOTR35447  Lupinus sparsiflorus Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 51 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  RSA678417  Lupinus sparsiflorus Michael Wall 2003-4-6 256 Riverside Vacant lot off Ramona Expressway at Donna Ave adjacent to Soboba Health Clinic. Property for sale and future housing development. 506 Comment
  UC1537124  Lupinus sparsiflorus Gordon H. True Jr. 1935-4-1 194 Riverside Box Springs 426 Comment
  UCR177114  Lupinus sparsiflorus Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1104 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  SEINET10903506  Lupinus sparsiflorus Robert F. Thorne 1983-4-23 Thorne 55500 Riverside San bernardino mts: sandy wash along whitewater river where road crosses river Below fish hatchery, ca 4 mi n of whitewater post office. Comment by d.b. Dunn (1984): area of Intergradation from ssp. Sparsiflorus to ssp. Mohavensis. One specimen closer To one and the other closer to the other. Erect, blue-flowered annual. 640 Comment
  POM259684  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz 1940-3-24 15714 Riverside 3 miles north of Cottonwood Springs, Eagle Mts. 915 Comment
  RSA414271  Lupinus sparsiflorus subsp. sparsiflorus N. C. Cooper 1944-4-22 1119 Riverside Banning. 701 Comment
  POM256719  Lupinus truncatus W. Pequegnat 1940-4-28 s.n. Riverside Ridge between Bedford and Brown Canyons, Santa Ana Mts. 701 Comment
  HSC25925  Lycium andersonii R. W. Spjut 1972-1-20 2124 Riverside Colorado Desert, N base of the Chuckawalla Mtns. 305 Comment
  RSA422102  Lycium andersonii Anstruther Davidson 1897-4-17 449 Riverside Whitewater. Comment
  RSA422105  Lycium andersonii Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  SEINET892346  Lycium chinense O. F. Clarke 1997-1 Riverside Riverside. O.F. Clarke residence, 1012 Spruce Street. (Riverside East) 305 Comment
  JOTR34398  Lycium cooperi Andre, Jim 2012-4-16 20932 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  UCR89683  Lycium cooperi Bern Schwenn 1994-5-18 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, north side of the Eagle Mountains, site of Conejo Well 1021 Comment
  RSA0118002  Lycium fremontii Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7626 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  RSA793467  Lycium pallidum var. oligospermum Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-11 4367 Riverside Mecca Hills: at Hidden Spring just off Hidden Spring Canyon, approximately 2.6 air miles south of Shaver Well, or approx. 5.4 air miles northeast of junction of Box Canyon Road and the Coachella Canal. 216 Comment
  POM184354  Lycium torreyi C. Leo Hitchcock 1932-4-7 12196 Riverside 4 mi.S. E. of Blythe, eastern Riverside Co. Comment
  UCR251344  Lythrum californicum S. J. Myers 2014-5-21 1066 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  RSA343103  Lythrum hyssopifolia Robert F. Thorne, Walter Wisura, E. W. Lathrop, S. Meury 1985-5-18 60633 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along seasonal stream in Cole Canyon, near entrance 534 Comment
  UCR116479  Lythrum hyssopifolia A. C. Sanders, T. B. Salvato 2001-5-25 24379 Riverside San Jacinto Valley, west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  RSA192015  Lythrum hyssopifolia E. W. Lathrop 1966-5-15 6307 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  RSA160518  Machaeranthera asteroides var. asteroides J. Olmstead 1959-9-23 1000 Riverside Base of San Jacinto Mtns. Valle Vista along road crossing of dry wash at junction of roads from Hemet and San Jacinto. Bautista Cyn. / San Jacinto Riv. drainage. 549 Comment
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Mar 27 2011
  NY214798  Machaeranthera canescens L. B. Ziegler 1969-9-30 s.n. Riverside North slope of Santa Rosa Mts. 1981.2 Comment
  UCR111531  Machaeranthera canescens subsp. canescens A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22282 Riverside San Jacinto Mtns., Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  UCR34936  Machaeranthera canescens subsp. canescens L. B. Ziegler 1964-10-10 45 Riverside San Jacinto Mtns., Garner (Hemet) Valley 1402 Comment
  RSA0001386  Machaeranthera canescens var. ziegleri L. B. Ziegler 1969-9-30 s.n. Riverside Santa Rosa Mts. 1982 Comment
  RSA607407  Machaeranthera canescens var. ziegleri R. S. Woglum 1937-10-20 1187 Riverside Peninsular Ranges, Santa Rosa Mountains. Comment
  UCR18028  Machaeranthera cognata A. C. Sanders 1976-5-14 00150 Riverside Sonoran (Colorado) Desert, Painted Canyon, Mecca Hills 213 Comment
  RSA562441  Madia gracilis Steve Boyd, Timothy S. Ross 1992-5-6 7263 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Oak Flat area, near Lucas Canyon Trail 762 Comment
  POM232417B  Mahonia nevinii Fulmor 1932-9-8 s.n. Riverside On left side of road from Temecula to Oak Grove, San Diego Co., Calif. (about half a mile east of Dripping Springs). Comment
  RSA495430  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2956 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  POM46858  Maianthemum stellatum Mary F. Spencer 1924-5-5 2391 Riverside Tahquitz Valley, San Jacinto Mountains. 2591 Comment
  SD140083  Malacothamnus densiflorus Scott White 1993-4-22 1240 Riverside North Alberhill Ranch, in hills N of Walker Canyon Comment
  UCR16332  Malacothamnus fasciculatus Robert M. Hasegawa 1976-4-14 s.n. Riverside Box Springs Mtns., 1/8 mi. from end of east Big Springs Road 274 Comment
  POM98395  Malacothamnus fasciculatus P. A. Munz 1925-5-20 9865 Riverside near Corona 427 Comment
  RSA0087585  Malacothamnus fasciculatus Louis C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mountains: Falls Creek, north side of Mount San Jacinto. 549 Comment
  OBI5742  Malacothamnus fasciculatus subsp. fasciculatus Charlotte M. Wilder June1904 35 Riverside Wilder's Canon Jurupa hills Comment
  SEINET3449048  Malacothamnus fasciculatus var. fasciculatus Steven R. Hill, Andrew C. Sanders 2001-5-4 33731 Riverside Santa Rosa Plateau, Santa Rosa Plateau, Carancho Road, about 1370 feet northeast of San Diego county line, west side of De Luz Creek valley, descending plateau downslope from "cut flower" farm, Fallbrook Quadrangle (topo map) 180 Comment
  RSA721133  Malacothrix coulteri J. R. Bruff 1928-4-3 175 Riverside 13 miles W of Desert Center. Comment
  CAS-BOT-BC347696  Malacothrix glabrata Paul F. Covel 1938-4-21 1185 Riverside Just east Banning Comment
  RSA110397  Malacothrix glabrata E. K. Balls 1955-6-5 20954 Riverside In dry Morongo wash, nw. end of cochella valley. Comment
  RSA278966  Malacothrix glabrata B. A. Prigge 1978-3-23 2413 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA688910  Malacothrix glabrata Scott D. White 2001-4-18 8353 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  UCR16701  Malacothrix glabrata Anonymous 1969-5-25 24 Riverside Mojave Desert, road from Cottonwood Springs to Twentynine Palms in Joshua Tree National Monument [now National Park], c. 17 mi from [N of] Cottonwood Springs 1220 Comment
  UCR42810  Malacothrix glabrata A. C. Sanders, B. Parfitt, R. Anthony 1986-4-19 6457 B Riverside Peninsular Range, Temescal Wash just below Lee Lake [Corona Lake], 5 mi NW of Alberhill 366 Comment
  RSA160431  Malacothrix saxatilis J. D. Olmsted 1959-4-17 397 Riverside 1/4 miles above Fire Gate along Skyline Drive, 5 miles SW of Corona. Santa Ana Mtns to Santa Ana River. 457 Comment
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Nov 19 2011
  RSA0001410  Malacothrix saxatilis var. tenuifolia P. A. Munz 1923-6-14 7101 Riverside Glen Ivy Trail to Santiago Peak, Santa Ana Mountains. 915 Comment
  UCR234754  Malosma laurina A. C. Sanders, John F. Green 2012-6-25 40303 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, benches south of I-15 and east of Horsethief Canyon Rd. 419 Comment
  RSA654621  Malva parviflora Lydia Paneri 1982-4-17 37 Riverside Cajalco Road, 2 miles east of I-15; south of Corona. Comment
  SEINET7048009  Malva parviflora Steven R. Hill, Kate Kramer 2001-4-27 33476 Riverside Cabazon, Morongo Indian Reservation, at Hadley's Orchard Store, junction of Apache Trail and Seminole Drive, north of Route I-10, Apache Trail Exit, 4 miles east of Banning. Elevation about 1837 feet. Comment
  RSA0107797  Mammillaria tetrancistra Duncan S. Bell, Amanda Turek 2009-3-30 174 Riverside Southeast section of the Arica Mountains; approximately 1.25 air miles southwest of Priest Well. 349 Comment
  CLARK-A1045-347  Marah macrocarpa George K. Helmkamp 1977-3-5 Riverside Santa Ana Mountains along highway north of Rainbow, at Riverside County Line; chaparral; Temecula 7.5'Q Comment
  UCR117075  Marah macrocarpa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24218 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCR154828  Marah macrocarpa A. C. Sanders, Mike Misenhelter 2005-3-23 29274 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  JEPS41718  Marina parryi M. Clary 1931-4-4 4 Riverside wash of Santa Rosas Coachella Valley, Devils Canyon Comment
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Nov 6 2011
  SD187430  Marrubium vulgare Scott D. White, Angelia Carey 2004-5-7 10335 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  UCR246459  Matricaria occidentalis R. E. Riefner Jr. 2012-3-31 12- 65 Riverside city of Hemet, north of Florida Avenue and south of West Devonshire Avenue and east of Meyers Street 462 Comment
  UCR217530  Meconella denticulata Diane Menuz 2009-4-30 489 Riverside Penimsular Ranges: Santa Ana Mts., Cleveland National Forest; c. 0.38 km east of Wildomar Rd., along Tenaja Canyon, near entrance and parking area 573 Comment
  UCR280826  Medicago polymorpha T. B. Salvato, Gregg Miller 2005-6-3 1365 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  UCR37473  Medicago polymorpha Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills, Gavilan Hills, section 34, where road crosses stream [SE of Gavilan Springs Ranch] 640 Comment
  RSA192125  Medicago sativa H. A. Zuill 1966-6-27 256 Riverside Between Tenaja Guard Station and the Main Divide Truck Trial. Comment
  UC205737  Melica frutescens I. M. Johnston 1918-4-27 1863 Riverside Temescal Canyon 365 Comment
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1
  SEINET9328101  Melica frutescens Unknown 1929-5-15 5338 Riverside Riverside Comment
  CLARK-A1528-4730  Melica imperfecta John C. Roos 1939-5-27 Riverside Reche Canyon Comment
  CLARK-A1528-74  Melica imperfecta C. M. Flanagan 1973-4-14 OO 107 Riverside Sunnymead 609 Comment
  POM114752  Melica imperfecta Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA700956  Melica imperfecta Gary D. Wallace 1982-5-15 2008 Riverside Palms to Pines Highway (74), just E of Spring Crest. Comment
  UCR132344  Melica imperfecta John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR214272  Melica imperfecta A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37742 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 438 Comment
  UCR98339  Melica imperfecta A. C. Sanders, G. Helmkamp 1997-3-15 19954 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 534 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
  POM19608  Melilotus albus Mary F. Spencer 1923-4-5 2197 Riverside San Jacinto. Comment
  RSA519229  Melilotus indicus Ed LaRue 1989-5-8 s.n. Riverside Mockingbird Canyon area, S of Van Buren Blvd and ca 1/2 mi (airline) E of Mockingbird Canyon Road. Comment
  UCR72155  Mentzelia desertorum Theo Glenn 1991-5-8 91- 85 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 378 Comment
  RSA526512  Mentzelia dispersa Steve Boyd, T. S. Ross 1990-5-11 4706 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  CLARK-A1528-606  Mentzelia involucrata Shirley Hill 1963-3-23 630323-3 Riverside Box Canyon Comment
  JOTR29603  Mentzelia involucrata Andre, Jim 2006-4-26 6760 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  POM306693  Mentzelia involucrata Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1689 Riverside Near Desert Center-Indio. Comment
  RSA0081619  Mentzelia involucrata Jim M. Andre 2012-4-11 20824 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  RSA124076  Mentzelia involucrata Percy C. Everett, E. K. Balls 1958-4-29 23009 Riverside Hwy 60/70, Indio to Blythe, 6.5 miles E from Jct with Hwy 9. 244 Comment
  RSA701220  Mentzelia involucrata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11276 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  RSA748288  Mentzelia involucrata Justin M. Wood 2009-3-26 416 Riverside Coachella Valley: Thousand Palms, Under Edison powerlines, near intersection of 30th Ave and Via Las Palmas. 61 Comment
  SEINET186303  Mentzelia involucrata Philip A. Munz 1940-3-24 15694 Riverside 3 miles southof Cottonwood Springs, Eagle Mts., 457 Comment
  UCSB24938  Mentzelia involucrata Keefe, Joseph 1967-3-23 Riverside Whitewater Canyon Road, 1.9 miles north of U.S. Highway 99, east of Banning 609 Comment
  UCSB4219  Mentzelia involucrata Beeks, Richard 1952-4-4 Riverside 7 miles N of Mecca in Box Canyon Comment
  RSA339677  Mentzelia involucrata var. megalantha Robert F. Thorne, C. W. Tilforth 1980-5-28 54215 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
  RSA0123778  Mentzelia jonesii Duncan S. Bell, LeRoy Gross 2016-3-10 8875 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  UCR16334  Mentzelia micrantha I. G. Rauch 1968-5-14 s.n. Riverside Santa Ana Mtns, Tin Mine Canyon Comment
  RSA92744  Mentzelia micrantha J. C. Roos 1952-5-19 5695 Riverside On hills N of Moreno. 518 Comment
  POM10068  Mentzelia puberula E. E. Schellenger 891 Riverside Colorado Desert. Santa Marie Mts. [Little or Big Maria Mountains] Comment
  RSA666649  Micropus californicus A. C. Sanders, Kent Beaman 2002-5-10 25052 Riverside Santa Ana Mtns., Santa Rosa Plateau: hills west of the head of De Luz Creek, 0.4 mi south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral. 671 Comment
  UCR160323  Micropus californicus Steve Boyd 1992-4-14 6804 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness. Along Verdugo Trail from Tenaja Tr. to Bluewater Tr. in upper watershed Bluewater Canyon. south of Sitton Peak 854 Comment
  JEPS36154  Microseris douglasii subsp. douglasii S. B. Parish 1914-3-24 9079 Riverside Perris Comment
  RSA85503  Microseris douglasii subsp. douglasii J. C. Roos 1952-4-23 5573 Riverside 1 mile southeast of Perris 427 Comment
  UCR75554A  Microseris douglasii subsp. douglasii A. C. Sanders 1993-5-12 14007 A Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  UCR250112  Microseris douglasii subsp. platycarpha A. C. Sanders 2014-4-23 41064 Riverside Peninsular Range, Baker St. NW of Lake Elsinore, near Alberhill Mtn., 1.45 km NW of Hwy 74 385 Comment
  RSA543772  Microseris heterocarpa Steve Boyd 1991-5-7 6173 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  SEINET273066  Microseris heterocarpa A. C. Sanders 1997-3-26 20127 Riverside Lake Skinner area: N edge of large clay patch adjacent to the Skinner entrance road ca. 1-2 km NE of Borel Rd.side 1550 Comment
  UCR133406  Microseris lindleyi Tracy Tennant, J. S. Ross 1998-5-7 MOR- 112 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  RSA586766  Mimulus aurantiacus D. L. Banks, S. D. Boyd 1995-5-17 464 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of Upper Arroyo Seco. 659 Comment
  UC1537440  Mimulus aurantiacus var. pubescens Gordon H. True Jr. 1935-4-1 192 Riverside Box Springs 396 Comment
  RSA517928  Mimulus aurantiacus var. puniceus Steve Boyd 1986-3-1 1362 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park 640 Comment
  JEPS8177  Mimulus bigelovii var. bigelovii Dr. L. M. Newlon 1922-4-4 452 Riverside near Palm Springs; Palm Canyon Comment
  UCR162274  Mimulus brevipes S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  RSA525697  Mimulus diffusus Steve Boyd, Tim S. Ross 1990-5-11 4635 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
  UC1929864  Mimulus floribundus Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9600 Riverside Near Rainbow Valley.: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. Comment
  UCR84609  Mimulus floribundus Scott D. White, S. Ogg 1994-4-21 2003 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA586947  Mimulus fremontii D. L. Banks, S. D. Boyd 1995-5-30 476 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N Flank of Agua Tibia Mountain, along the Dripping Springs Trail; at first saddle area in section 34, NNE of the two peaks of Agua Tibia Mountain. 963 Comment
  UCR202242  Mimulus fremontii Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  CSUSB888  Mimulus guttatus Rex Sanders 1973-5-13 Riverside Santa Ana Mountains Collected at 2nd creek crossing Los Pinos forestry camp road 0.7 miles from Highway 74 turnoff; Cleveland National Forest, Santa Ana Mountains; 1 meter from stream, 20 meters from road. 609 Comment
  UC454795  Mimulus guttatus I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2438 Comment
  UC63725  Mimulus guttatus H. M. Hall May 1899 Riverside Van de Venter's San Jacinto Mountains 1371 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
  RSA543841  Mimulus palmeri Steve Boyd, Orlando Mistretta 1991-5-22 6304 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 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
  UC729663  Mimulus pilosus Carl B. Wolf 1932-5-25 3675 Riverside 1 mi below Fish Hatchery (n base of mts.); San Jacinto Mts., Snow Creek Canyon 396 Comment
  UCR280968  Mimulus pilosus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 34 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  HSC85271  Minuartia douglasii Steve Boyd 1986-4-22 1773 Riverside Temescal Canyon, E side of Indian Wash, S of I-15 Comment
  UC64159  Minuartia douglasii H. M. Hall May 17 1901-Jun 1 1901 1813 Riverside San Jacinto Mt.; s side 1524 Comment
  UC8118  Minuartia douglasii H. M. Hall May, 1901 1925 Riverside Coahuilla Valley Comment
  CSUSB572  Mirabilis californica var. californica James K. Ryan 1968-5-10 Riverside 1.5 miles east of UC, Riverside. Comment
  CLARK-A1528-3924  Mirabilis laevis Charles S. Papp 1965-5-5 822 Riverside Highgrove Comment
  UCR133328  Mirabilis laevis John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  CAS-BOT-BC434675  Mirabilis laevis var. crassifolia L. R. Abrams 1941-4-22 13875 Riverside Palomar School near Perris Comment
  RSA450539  Mirabilis laevis var. retrorsa Barry A. Prigge 1988-2-21 7856 Riverside Colorado desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
  RSA464809  Mirabilis laevis var. retrorsa Ora M. Clark 1929-2-23 1572 Riverside North of Whitewater Comment
  UC57065  Mirabilis laevis var. retrorsa M. F. Gilman 1902-1 34 Riverside Comment
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Sep 29 2011
  HSC79251  Mirabilis laevis var. villosa G. K. Helmkamp 1984-5-2 - 24 Riverside Big Morongo Canyon, 3-3.5 mi. below the caretaker's house at the Big Morongo Preserve, Little San Bernardino Mtns. 550 Comment
  RSA700904  Mirabilis multiflora var. pubescens Keith E. Hoffmaster 1937-6-6 s.n. Riverside Pinon Flat Comment
  RSA444328  Mohavea confertiflora Walter Wisura 1988-3-1 41996 Riverside 1.8 mile along Black Eagle Mine Road, Joshua Tree National Monument Comment
  POM96251  Mohavea confertiflora E. C. Jaeger 1925-12-20 s.n. Riverside Fish Traps Comment
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Feb 3 2011
  UCR146128  Monardella australis subsp. australis Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1449 Riverside Peninsular Ranges; San Jacinto Mtns, northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  UCSB25307  Monardella australis subsp. australis Gliessman, Stephen 1968-7-11 Riverside Along Deer Springs Trail, 0.7 mile north of Deer Springs, San Jacinto Mountains 2682 Comment
  SBBG128674  Monardella breweri subsp. lanceolata R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49544 Riverside Ortega Hwy (74), perhaps 1/4 mi W of El Cariso; Santa Ana Mtns Comment
  POM12899  Monardella lanceolata var. lanceolata P. A. Munz 1922-7-3 5945 Riverside [Unspecified] 1372 Comment
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Oct 8 2011
  JOTR30271  Monardella linoides subsp. linoides Leary, Pat, Cari Leary 1987-5-9 3813 Riverside Joshua Tree National Park. 1.0 km south of Jumbo rocks campground, T2S R9E sec20 [UTMs estimated, January 2010] Comment
  LA62738  Monardella linoides subsp. linoides Harlan Lewis; 1941-8-4 sn Riverside San Jacinto Mountains, Fire road E of Keen Maintenance Station Comment
  RSA583365  Monardella macrantha subsp. hallii Steve Boyd, Darin Banks 1995-3-30 8416 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  UC25484  Monardella macrantha subsp. hallii H. M. Hall 1897-7-16 687 Riverside San Jacinto Mts. 1219 Comment
  CAS-BOT-BC215500  Monardella nana Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  UC1499855  Monardella nana E. McClintock, C. Ellison 1936-5-9 Riverside Pines to Palms Highway Comment
  UC1499878  Monardella nana Elizabeth McClintock 1940-10-19 Riverside San Jacinto Mts. Devil's Slide Trail, along upper switchbacks Comment
  RSA750393  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 47 Riverside About 5 miles from the Anza Monument turn off. Comment
  RSA750414  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 57 Riverside Road to Santa Rosa Mt. 0.5 miles above Pines to Palms Highway. Comment
  UCR221490  Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-6-29 079 Riverside Peninsular Range; Santa Rosa Mtns., road up Santa Rosa Mountain, 4.5 miles beyond canyon where stream crosses road 2348 Comment
  SEINET10829421  Monardella nana subsp. arida A. Graff 1993-6-24 Graff 63 Riverside San Bernadino National Forest, Santa Rosa Mtn. .75 miles down Santa Rosa Mtn. Rd. (USNFS Rd. 7S02) from Santa Rosa Camp, on left side of road (heading back towards Hwy. 74). T7S,R5E,S29. 1 small clump, close to, but not under Quercus chrysolepis. Bare, gravelly road bank. Comment
  RSA750303  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-17 118 Riverside San Jacinto Mts. Trail to Suicide Rock. Comment
  UC1499852  Monardella nana subsp. tenuiflora C. Epling, H. Lewis 1942-6-17 Riverside Vandeventer Flats Santa Rosa Mountains, Pines to Palms Highway Comment
  UCR125894  Monardella robisonii A. C. Sanders, Mark Elvin 2001-8-17 24593 Riverside Mojave Desert, Little San Bernardino Mtns, trail from Key's View to Inspiration Point, Joshua Tree National Park 1646 Comment
  UCR30582  Monolepis nuttalliana John C. Roos 1966-3-1 s.n. Riverside Perris basin, San Jacinto River bottom at Perris. Comment
  CAS-BOT-BC349811  Monoptilon bellioides L. R. Abrams 1926-3-26 11105 Riverside Between Edom and Garnet east of San Gorgonio Pass Comment
  JOTR16606  Monoptilon bellioides Walters, Jim 1967-3-7 s.n. Riverside Joshua Tree National Park. MIDDLE WILSON CANYON Comment
  RSA0118056  Monoptilon bellioides Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7613 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  RSA696851  Monoptilon bellioides J. R. Bruff 1927-3-12 s.n. Riverside 3 mi. S of Garmet; 8 Palms Comment
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Nov 3 2011
  UC1080449  Monoptilon bellioides P. C. Everett and E. K. Balls 1958-4-29 22959 Riverside 5 mi e from junction with U. S. Hwy. 99 (U. S. Hwy. 60 and 70, Indio to Blythe) 121 Comment
  UCD86493  Muhlenbergia andina Peter Kamb 1948-10-31 1283 a Riverside Hall Canyon. San Jacinto Mts. 1645 Comment
  UCR2778  Muhlenbergia asperifolia F. M. Reed 1907-9-21 1951 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside. Spring Brook in Pellisier's horse pasture 250 Comment
  CAS-BOT-BC275295  Muhlenbergia microsperma Munz; Harwood 1920-2-28 3238 Riverside 2 miles SE of Corona 274 Comment
  UCR101442  Muhlenbergia microsperma A. C. Sanders 1997-3-19 20048 Riverside Lake Skinner area, lower S slopes of Bachelor Mtn., near old quarries 473 Comment
  UCR278092  Muhlenbergia microsperma Tim Searl 2011-6-4 s.n. Riverside Gavilan Hills, Kamlin Mission Church property, c. 5.7 miles west of Perris and c. 0.5 mile west of Steele Valley 686 Comment
  POM9051  Muhlenbergia microsperma P. A. Munz, Harwood 1920-2-28 3238 Riverside 2 mi. southeast of Corona 274 Comment
  SEINET3887720  Muilla clevelandii N. Duane Atwood, L. Stritch 1993-4-2 17901 Riverside Santa Rosa Plateau TNC Preserva and adjacent to BLM administrated lands.; 0 671 Comment
  SD137972  Muilla maritima Darin L. Banks, Steve Boyd 1995-5-3 269 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of Dripping Springs Alcove Area, along the lower alluvial benches of arroyo Seco. 512 Comment
  UCR202222  Myosurus minimus subsp. apus 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
  OBI1212  Myriopteris parryi Hoover 1966-10-15 10167 Riverside Dead Indian Cyn Comment
  RSA0121058  Nama demissa Duncan S. Bell, Thomas Stoughton 2016-3-16 8944 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  UCSB13108  Nama demissa Dearing, Hugh; Dearing, Margaret 1941-4-9 Riverside Eight miles south of Mecca; Riverside County, California Comment
  UCR198171  Nama hispida var. spathulata Michael Honer, Theresa Miller 2005-3-11 2063 Riverside Northeastern Colorado Desert, Rice Valley, 4.5 mi south-southeast of Rice, 1.5 mi east of ATSF railway 220 Comment
  CAS-BOT-BC219362  Nama stenocarpa A. C. Sanders; Mitch Provance 1999-9-26 23120 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  POM14413  Nassella cernua P. A. Munz 1922-7-4 5970 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  RSA522084  Nassella lepida Steve Boyd, Timothy S. Ross, K. A. Boyd 1989-6-24 3750 Riverside Vail Lake area, near summit of 'Little Oak' Mtn. along road. 627 Comment
  CLARK-A1528-3446  Navarretia atractyloides John C. Roos 1943-7-15 2733 Riverside San Timoteo Canyon Comment
  RSA656539  Navarretia atractyloides A. C. Sanders 2000-5-25 23425 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  UCR127106  Navarretia atractyloides Mitch Provance 1998-6-1 571 Riverside Jurupa Mountains, SW Pyrite Canyon, c. 0.4 miles SSE of peak 1768 442 Comment
  RSA785182  Navarretia fossalis D. E. Bramlet 1993-5-8 2347 Riverside San Jacinto Valley, 7.2 km west of Hemet, 183 m north of Stowe Rd. and 610 m south of Setson Ave.,120 m east of California Ave. and 152 m west of the MWD canal. 456 Comment
  UCR25246  Navarretia fossalis John C. Roos 1952-5-28 5729 Riverside Perris-Aguanga Basin region, San Jacinto River bottomland 1 mile southeast of Perris 427 Comment
  UCR87888  Navarretia fossalis Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  UCR90771  Navarretia fossalis D. E. Bramlet 1993-5-8 2344 Riverside San Jacinto Wildlife area. 274 m south of the headquarters building, 122 m east of Davis Rd. and 168 m north of old San Jacinto River channel 434 Comment
  RSA789883  Navarretia intertexta Jeremiah George 2012-3-4 s.n. Riverside Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  RSA468367  Navarretia prostrata Robert Gustafson, Gary D. Wallace 1983-6-23 2712 Riverside Mesa de Burro, Santa Rosa region, Santa Ana Mts. 701 Comment
  OBI33602  Nemacladus glanduliferus J. C. Roos 1948-5-15 3851 Riverside Upper Lost Palms Cyn, Eagle Mts, Colorado Desert Comment
  SD137820  Nemacladus longiflorus var. breviflorus Darin L. Banks, Steve Boyd 1995-5-3 222 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia mountain, east of the Dripping Springs Alcove Area. 500 Comment
  JOTR31090  Nemacladus sigmoideus La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2352 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
  CLARK-A1528-2987  Nemophila menziesii John C. Roos 1947-3-21 3371 Riverside Reche Canyon Comment
  RSA0128924  Nemophila menziesii Justin M. Wood 2010-3-19 1432 Riverside Beaumont: Near Smith Creek, E of Sun Lakes off S Highland Home Rd. 747 Comment
  RSA604728  Nemophila menziesii K. Watkins, Elizabeth McClintock 1937-4-9 s.n. Riverside Meadow between Hemet and Winchester Comment
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Mar 20 2011
  UCR241489  Nemophila menziesii Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 250 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  UCR86880  Nemophila menziesii A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16256 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR96816  Nemophila menziesii Scott D. White 1993-3-12 1178 Riverside Near Winchester 466 Comment
  UCSB46708  Nemophila menziesii Reimer, Neil 1977-4-15 Riverside 1 mile S. Cajalco Rd. on Santa Rosa Rd. Comment
  RSA0037196  Nemophila menziesii Tamara Joy Hanna 1991-5-12 29 Riverside Area of High Country Ranches. From Tamatea Road approx. 100 ft. to dry stream bed, walking northeasterly direction. 1280 Comment
  UCR140301  Nemophila menziesii var. menziesii A. C. Sanders 2004-4-9 27462 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  RSA0042856  Nicotiana obtusifolia Duncan S. Bell, LeRoy Gross 2014-3-20 6272 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA426707  Nicotiana obtusifolia Christopher Davidson 1979-4-4 7704 Riverside Orocopia Mts., lower end of Box Canyon on Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  UCD126751  Nicotiana obtusifolia L. S. Stone 1936-1-1 s.n. Riverside L.A. Aqueduct Road, 17 miles north of Indio. Comment
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Feb 1 2014
  UCD126754  Nicotiana obtusifolia H. S. Yates 1936-4-7 5448 Riverside 8 miles north of Mecca. 457 Comment
  UCR139387  Nicotiana obtusifolia P. A. Munz 1949-4-13 13059 Riverside Sonoran (Colorado) Desert, above Cottonwood Springs, west end of Eagle Mountains 1143 Comment
  UCSB18267  Nicotiana obtusifolia del Moral, Roger 1964-4-13 Riverside Colorado Desert Wash; 1.6 miles south of Highway 60-70, 21 miles east of Indio 518 Comment
  UCR111765  Nicotiana quadrivalvis Mitch Provance 1998-3-17 211 Riverside Jurupa Mountains, 'Pyrite Canyon', in the central dune area c. 1km south of the end of Savonia Dr. in Southridge, Fontana. 305 Comment
  POM258905  Nolina bigelovii E. C. Jaeger 1939-12-3 s.n. Riverside Canyon of Orocopia Mountains, south of Hayfield reservoir. 427 Comment
  CAS-BOT-BC131884  Nolina parryi Lester Rowntree 1937-5-29 s.n. Riverside Pines to Palms Comment
  LA205784  Nolina parryi Tom O'Donnell; 1953-5-24 sn Riverside San Jacinto Mountains, Pinon Flats, Hwy 74 Comment
  RSA643661  Nolina parryi James C. Dice 1985-6-13 618 Riverside Pinyon Flat, ca. 1.3 km north of Highway 74, at northwest edge of community of Pinyon Pines. 1250 Comment
  RSA753479  Nolina parryi Scott D. White, Justin M. Wood 2009-5-21 12868 Riverside Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  SEINET3412079 Image available Nolina parryi Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28524 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  SD236421  Nuttallanthus texanus John F. Green 2006-4-25 Riverside Peninsular Ranges; Temecula, Southern California Edison right of way between residental areas, N-S corridor between S General Kearny Road and La Serena Way; E of Veterans park 366 Comment
  CAS-BOT-BC171492  Oenothera californica Richard Snow 1957-4-1 318 Riverside Sandy field 11 miles west of Riverside on Highway 60 Comment
  POM159450  Oenothera californica subsp. californica P. A. Munz 1927-5-21 10835 Riverside Coahuila Valley. Comment
  UC702812  Oenothera californica subsp. californica Charles B. Fiker 1946-5-30 3493 Riverside dip s Temecula bridge (on Hwy 395) Comment
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Aug 12 2016
  RSA0036090  Oenothera claviformis Norman C. Cooper 1944-3-26 1028 Riverside Morongo Pass 457 Comment
  RSA0113587  Oenothera claviformis Henry J. Ramsey, Henry J. Ramsey 1940-4-14 1991 Riverside 50 miles north of Blythe, Colorado Desert. Comment
  UCR214714  Oenothera deltoides A. C. Sanders 2010-3-23 37548 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  POM355591  Oenothera deltoides subsp. deltoides Geo. Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  POM67095  Oenothera deltoides subsp. deltoides Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA248134  Oenothera deltoides subsp. deltoides Susan Delano McKelvey 1936-2-10 5056 Riverside In desert north of Palm Springs. Comment
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Dec 14 2011
  UCR113976  Oenothera elata subsp. hirsutissima Mitch Provance 2000-6-24 2044 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR41640  Oenothera primiveris A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6030 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  HSC87167  Oligomeris linifolia Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2128 Riverside N end Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  UC665851  Oligomeris linifolia Ira L. Wiggins 1941-3-24 9581 Riverside 3.5 mi s Mortmar (beach along eastern margin of Salton Sea); along eastern margin of Salton Sea Comment
  UCR148854  Oligomeris linifolia S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  UCR232390  Oligomeris linifolia Dave Silverman 2010-3-24 7826 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 4.5 km southeast of Sidewinder Well, 2.3 km SW of Palen Dunes Dr., and 4.2 km north of Interstate 10 128 Comment
  POM348469  Olneya tesota Anstruther Davidson 1928-05 s.n. Riverside Colorado Desert. Comment
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Dec 14 2015
  SBBG119395  Oncosiphon piluliferum J. Greene 2005-5-4 Riverside SE corner of Markham St and Day St, Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR241412  Oncosiphon piluliferum T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7440 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  POM311527  Opuntia basilaris var. basilaris Lyman Benson 1963-6-20 16348 Riverside Wash just north of Banning-Banning Canyon. 854 Comment
  SEINET9037813 Image available Opuntia basilaris var. basilaris M. A. Baker, Michelle Cloud-Hughes 2015-1 18416 Riverside 1.5km north of the historic site of Whitewater, 16km NW of central Palm Springs, low slope to the west side of wash, granitic silt, fine sand, and gravel 474 Comment
  UC334263  Opuntia basilaris var. basilaris unknown May 1880 Riverside Colorado Desert Comment
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Jan 2 2017
  CAS-BOT-BC56835  Opuntia engelmannii F. R. Fosberg 1932-7-12 8607 Riverside Field redacted by CAS, contact the data manager for more information Comment
  SBBG88115  Opuntia littoralis A. C. Sanders 1984-4-21 5013 Riverside Moreno Badlands at edge of San Jacinto Valley, along Gilman Springs Rd, 1.5 mi NW of Gilman Hot Springs, 0.4 mi W of Sanderson Ave. (Lamb Cyn Rd) 487 Comment
  CAS-BOT-BC269273  Orobanche cooperi Sarah J. De Groot; Leland Lubinsky; Naomi Fraga; Lisa Rojas 2005-2-10 4638 Riverside Along Palen Pass Road, sandy area near Palen/McCoy Wilderness boundary. Bajada of mountains, just north of Palen Lake (dry) 170 Comment
  JEPS85939  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4518 Riverside at lower end of Box Canyon near Garfield St. junction of Mecca; Box Canyon 91 Comment
  UCR168362  Orobanche cooperi C. B. Wolf 1932-4-29 3113 Riverside Eastern Sonoran (Colorado) Desert, 4 mi south of Browns Well on Blythe to Rice Road 213 Comment
  SEINET8853686 Image available Orobanche fasciculata Norman C. Cooper 1944-1 1406 Riverside San Jacinto Mtns. West side. 1372 Comment
  UCR24887  Orobanche fasciculata A. C. Sanders 1980-7-18 1635 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UCR80799  Orobanche fasciculata Scott D. White 1993-5-29 1444 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  SEINET10745019  Orobanche fasciculata George Yatskievych 1981-4-26 Yatskievych 81 -137 Riverside State Highway 74, ca. 4 mi SE of Bee Canyon. 823 Comment
  RSA402101  Orthocarpus purpurascens Bonnie C. Templeton 1931-4-9 s.n. Riverside At base of Moreno Grade. Comment
  RSA523550  Orthocarpus purpurascens var. purpurascens Steve D. Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4010 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR201478  Osmorhiza brachypoda Scott D. White, Justin M. Wood 2008-6-18 12245 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  UCR79208  Oxalis californica Steve Boyd 1992-4-14 6873 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness. Along Verdugo Trail from Tenaja Tr. to Bluewater Tr. in upper watershed Bluewater Canyon. south of Sitton Peak 854 Comment
  SEINET10635289  Oxalis pes-caprae Greg Gust, Leith Nye 2005-3-11 Gust 539 Riverside Lake Elsinore City Limits. At intersection of Ellis St. & Franklin St. in an overgrown disturbed site. 400 Comment
  POM229449  Oxytheca emarginata P. A. Munz 1937-5-30 15081 Riverside Northwest slope of Santa Rosa Mt. 2134 Comment
  POM157924  Oxytheca trilobata P. A. Munz 1927-5-21 10847 Riverside Head of San Carlos Pass, Anza. 1372 Comment
  CAS-BOT-BC327897  Palafoxia arida Alice Eastwood 1913-4-30 3088 Riverside Palm Springs Comment
  CAS-BOT-BC327945  Palafoxia arida K. Bonner 1977-10-27 2570 Riverside 3 mi E of Chuckwalla Rd. Comment
  SBBG24528  Palafoxia arida A. I. Richardson 1966-3-23 Riverside between Desert Highland Hot Springs and Village of Thousand Palms Comment
  UCD134870  Palafoxia arida James B. Garner 1959-3-19 428 Riverside 20 miles south of Vidal Junction, toward Blyth. Comment
  RSA587723  Palafoxia arida var. arida E. R. Blakley 1993-5-20 7566 Riverside W of roadside rest area at jct of Hwy 19 and road S to Wiley's Well, ca 15 mi W of city of Blythe Comment
  UC472878  Palafoxia arida var. arida Mary F. Spencer 1920-3-28 222 Riverside Palm Springs Colorado Desert 121 Comment
  UCSB9919  Palafoxia arida var. arida Gunnerson, Robert 1953-3-21 Riverside 9 miles east of Indio Comment
  POM78993  Panicum capillare I. M. Johnston 1925-7-19 s.n. Riverside Pedley-Arlington Road. Comment
  POM366031  Panicum urvilleanum George R. Johnstone 1929-11-29 s.n. Riverside 20 miles from Palm Springs; 244 Comment
  SEINET1909740  Panicum urvilleanum Sarah De Groot, Mark Porter 2006-1 5199 Riverside North foot of San Jacinto Mountains, between Snow Creek and Highway 111. Stabilized sand dunes several miles downstream from gaging station. 366 Comment
  CLARK-A1528-4390  Parietaria floridana John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  UCR214275  Parietaria hespera A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37746 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 438 Comment
  RSA522712  Parietaria hespera var. californica Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3898 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  JEPS43448  Parietaria hespera var. hespera S. B. Parish 1920-3-25 20013 Riverside Indian Wells; Colorado Desert Comment
  POM8165  Parietaria hespera var. hespera Mary F. Spencer 1920-4-3 1620 Riverside Palm spring 152 Comment
  UCR113896  Parietaria hespera var. hespera Mitch Provance 1998-4-14 439 Riverside Jurupa Mountains, Crestmore Heights, E. Rattlesnake Mt., 'Oak Knoll' about 0.5 km west of Rubidoux Blvd., across the street from the Crestmore Mines at the Riverside Cement Company. 396 Comment
  UCR116587A  Parietaria hespera var. hespera A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24172 H 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
  RSA0080159  Parkinsonia florida Jim M. Andre 2012-4-11 20837 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  SBBG53996  Parkinsonia florida R. S. Woglum 1937-4-24 297 A Riverside Palm Springs Comment
  SD216479  Parkinsonia florida Carol R. Annable 1995-3-10 2262 Riverside 1.6 kilometers south of Lake Cahuilla County Park. Comment
  RSA704041  Parosela spinosa J. Russell Bruff 1929-12-28 453 Riverside Dos Palmas Comment
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Apr 28 2011
  RSA778323  Pectis papposa Amber Swanson 2011-10-9 652 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  UCD80955  Pectocarya heterocarpa Chuck Hughes 2009-3-23 60 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  UCR216202  Pectocarya heterocarpa Jim Andre, T. La Doux 2009-2-25 10834 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  UCR41583  Pectocarya heterocarpa A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6124 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR156473  Pectocarya linearis T. B. Salvato, A. C. Sanders 2005-5-17 888 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
  RSA772022  Pectocarya linearis subsp. ferocula Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4949 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 W116.66012 750 Comment
  RSA33852  Pectocarya penicillata N. C. Cooper 1944-4-23 1155 Riverside Banning 701 Comment
  RSA702735  Pectocarya penicillata Scott D. White, Michael Honer 2004-4-6 10052 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  UCR86889  Pectocarya penicillata A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16280 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  JEPS20128  Pectocarya platycarpa I. W. Clokey 1935-4-17 6860 Riverside Cottonwood Springs Colorado Desert, Cottonwood Springs Comment
  RSA559922  Pectocarya platycarpa Steve Boyd, C. Boyd, K. A. Boyd 1992-4-19 6911 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
  UC882286  Pectocarya platycarpa I. W. Clokey 1935-4-17 6860 Riverside Colorado Desert, Cottonwood Springs Comment
  RSA524606  Pectocarya recurvata Steve Boyd 1990-3-29 3929 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  RSA525234  Pectocarya setosa Steve Boyd, Timothy S. Ross 1990-5-11 4611 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  RSA500078  Pedicularis densiflora Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3234 Riverside Vail Lake Area. Sandstone ridge between Kolb Creek and Temecula Creek, forming peninsula at SW end of lake. Comment
  UC1125726  Pedicularis densiflora H. A. Jensen Mar 1934 318 Riverside head of Tin Mine Canyon (Cleveland N.F.) 853 Comment
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Oct 30 2011
  CAS-BOT-BC69223  Pellaea andromedifolia Winfield 1975-5-4 2361 Riverside Highway 74 mile marker 52 22 914 Comment
  RSA33854  Pellaea andromedifolia var. andromedifolia John S. Garth 1944-4-8 1089 Riverside Andreas Canyon 457 Comment
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Apr 17 2011
  JOTR31051  Pellaea mucronata var. mucronata La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2034 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  RSA180373  Pellaea mucronata var. mucronata E. W. Lathrop 1960-6-7 4861 Riverside 14 miles W 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
  RSA771629  Pellaea mucronata var. mucronata Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4995 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
  RSA0119963  Pennisetum setaceum Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9076 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  RSA706624  Pennisetum setaceum Prince, J. I. Davis, J. Mark Porter, R. Cerros, N. Refulio 2002-3-16 02 -264 Riverside Whitewater Canyon. ca 5 km North of CA Hwy 10 on Whitewater Canyon Road. Flat areas along creek., [Coordinates from the label are off and the county should be Riverside] Comment
  UCR248094  Pennisetum setaceum Duncan S. Bell, John Anderson, Keir Morse 2012-11-11 4380 Riverside Sonoran (Colorado) Desert, Mecca Hills, upper branch of Hidden Spring Canyon, c. 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto 250 Comment
  UC886862  Penstemon californicus P. A. Munz and I. M. Johnston 1922-5-21 5445 Riverside Kenworthy San Jacinto Mts., Hemet Valley; Kenworthy, Hemet Valley 1371 Comment
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Mar 25 2011
  SD152743  Penstemon centranthifolius Steve Boyd 1992-4-15 6882 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek. 334 Comment
  UCSB6166  Penstemon centranthifolius Bobkowski, Vincent 1960-5-15 Riverside Van de Venter Flats; approx. 25 miles south of Idyllwild on State # 74 Comment
  LA209529  Penstemon clevelandii Elizabeth Levien; 1949-5-22 sn Riverside Santa Rosa Mountains, Pines to Palms highway near Pinon Flats Comment
  CAS-BOT-BC265286  Penstemon clevelandii subsp. connatus Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mount San Jacinto? Comment
  UC886890  Penstemon clevelandii var. connatus P. A. Munz 1922-7-1 5931 Riverside Old Nicholas Canyon Santa Rosa Mts., Old Nicholas Canyon 1463 Comment
  UCD124052  Penstemon clevelandii var. connatus Richard Bates 1949-3-1 s.n. Riverside Pines to Palms Highway, top of Palm Canyon. Comment
  POM11198  Penstemon grinnellii Philip A. Munz 1922-6-26 5826 Riverside Santa Rosa Mts. Road to Santa Rosa from Vande venter 1768 Comment
  RSA783294  Penstemon heterophyllus J. D. Olmsted 1962-6-23 5312 Riverside SE San Bernardino Mts: Banning water canyon. Along main fireroad from Banning. 1159 Comment
  RSA401811  Penstemon spectabilis Martha Hilend 1928-4-8 170 Riverside Lake Elsinore, about 3 miles west of lake. Comment
  UCR214300  Penstemon spectabilis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38396 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
  UCR91889  Pentagramma triangularis subsp. maxonii A. C. Sanders, G. K. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15902 Riverside San Jacinto Mtns/Colorado Desert, Chino Canyon near Palm Springs, 1.8 mi above Palm Canyon Rd (Hwy111) on the rd to the tram station, vicinity of the upper end of the flood control dike 428 Comment
  RSA0042163  Peritoma arborea Duncan S. Bell, Evan Meyer 2014-4-2 6523 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  CAS-BOT-BC77485  Peritoma arborea var. angustata F. H. Billings 1926-2-6 18 Riverside Desert near Palm Springs Comment
  CAS-BOT-BC77532  Peritoma arborea var. arborea Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs 60 Comment
  POM6181  Perityle emoryi I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, near Palm Springs. Comment
  SEINET213991  Perityle emoryi Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Ke 1973-3-20 6416 Riverside Big Maria Mts 12 airline mi N of downtown Blythe. 290 Comment
  UCR214428  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 244 Comment
  UCR30076  Perityle emoryi George K. Helmkamp 1983-4-5 483- 7 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  RSA0042103  Petalonyx linearis Duncan S. Bell, LeRoy Gross 2014-3-13 6232 Riverside Orocopia Mountains; southern section of range; approximately 1.75 west northwest of Clemens Well. 293 Comment
  RSA445162  Petalonyx thurberi Jack Rempel 1932-11-13 16122 Riverside 10 miles up Palm Wash. Colorado Desert. Comment
  RSA445165  Petalonyx thurberi A. M. Johnson 1933-4-28 4246 Riverside On wash along Pines to Palms highway, below Palm Springs. Comment
  RSA795941  Petalonyx thurberi Duncan S. Bell 2009-4-19 279 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  SD113277  Petalonyx thurberi subsp. thurberi Darley F. Howe 1936-6-14 354 Riverside Palm Springs. Comment
  UC65005  Petalonyx thurberi subsp. thurberi E. E. Schellenger 1904-10-15 48 Riverside Colorado Desert, Whitewater Wash Comment
  CAS-BOT-BC326767  Peucephyllum schottii H. M. Hall 1905-4-1 5849 Riverside Near Dos Palmas, Colorado Desert Comment
  JEPS37136  Peucephyllum schottii Lawrence Saylor 1935-3-23 171 Riverside Painted Canyon Comment
  RSA784945  Peucephyllum schottii Duncan S. Bell 2012-2-12 3123 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  RSA0119994  Phacelia affinis Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9085 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  POM147637  Phacelia ambigua F. M. Reed 1927-3-20 5430 Riverside Salt Creek Wash. Comment
  RSA554212  Phacelia ambigua Theo Glenn 1991-4-9 91 -4 Riverside Big wash in Eagle Mountains 787 Comment
  RSA787988  Phacelia brachyloba L. M. Prince, Duncan S. Bell 2009-6-17 570 Riverside Cleveland National Forest. Roadside. Comment
  UCR207551  Phacelia brachyloba O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  RSA74790  Phacelia campanularia F. W. Peirson 1926-2-22 6499 Riverside On talus slope east of bridge over Whitewater River, head of Coachella Valley Comment
  SBBG28099  Phacelia campanularia D. Myrick 1964-4-30 828 Riverside Palms to Pines Hwy (St Hwy 74), 15 mi W of Palm Desert 1219 Comment
  UCR120601  Phacelia campanularia Steven R. Hill 2001-5-3 33660 A Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  HSC13693  Phacelia campanularia subsp. campanularia J. J. Wagoner 1965-4-12 28 Riverside 8 mi. NE of Palm Springs in Whitewater Canyon Comment
  RSA0121028  Phacelia campanularia subsp. campanularia Duncan S. Bell, LeRoy Gross 2016-3-29 9110 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
  RSA124430  Phacelia campanularia subsp. vasiformis Percy C. Everett, E. K. Balls 1958-5-4 23082 Riverside Morongo Canyon. 671 Comment
  UC881002  Phacelia campanularia subsp. vasiformis C. L. Hitchcock 1940-3-29 5862 Riverside ca 100 yds e Spring; Cottonwood Canyon Comment
  UC881004  Phacelia campanularia subsp. vasiformis I. W. Clokey 1935-4-17 6845 Riverside Cottonwood Springs Comment
  CSUSB130  Phacelia cicutaria Bob Sullivan 1966-3-10 Riverside 100 yards east of railroad tracks on corner of Tamescal Street and Comtom Ave. -near city of Corona 259 Comment
  CLARK-A1045-183  Phacelia cicutaria subsp. hispida George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  CHSC110681  Phacelia cicutaria var. hispida Dean Wm. Taylor 2003-5-7 18528 Riverside Lakeview Mountains, 0.4 air miles SSE of Nuevo Benchmark, under electrical transmission line corridor. 624 Comment
  UCR124004  Phacelia crenulata var. ambigua George K. Helmkamp, E. A. Helmkamp 2001-4-14 6465 Riverside Coachella Valley, Indio Hills, 1.4 mi north of Ramon Rd on Avita Rd (Avita is 2.8 mi east of I-10) 46 Comment
  UCR74370  Phacelia crenulata var. ambigua Theo Glenn 1991-5-30 91- 2 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  UCSB5447  Phacelia crenulata var. ambigua Haller, John 1957-3-23 Riverside S boundary of Joshua Tree National Monument, 4 air miles S of Cottonwood sprs., and 1 mile N of junc. with U.S. 60 609 Comment
  CLARK-A1528-3006  Phacelia distans John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  RSA428227  Phacelia distans E. A. Purer 1933-3-25 17206 Riverside Palm Springs. Comment
  UCR193743  Phacelia distans A. C. Sanders, Mitch Provance 2008-7-11 35748 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  UCSB72612  Phacelia distans White, Scott; Carey, Angelia 2004-4-5 Riverside San Jacinto Mtn foothills: North of Valle Vista. Indian Creek Watershed 518 Comment
  VVC267  Phacelia distans A. C. Sanders 1997-5-4 20641 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  RSA427700A  Phacelia douglasii N. C. Cooper 1945-5-5 2252 Riverside San Gorgonio Mountains above Banning. 915 Comment
  JOTR33961  Phacelia fremontii La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2847 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  POM229429  Phacelia lemmonii P. A. Munz 1937-5-29 15101 Riverside Edge of Pinyon Flat, Santa Rosa Mts. 1220 Comment
  RSA524582  Phacelia minor Steve Boyd, Tim Ross, L. Arnseth, J. Bonilla 1990-4-3 4130 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA562120  Phacelia minor Steve Boyd 1992-4-14 6786 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  POM264306  Phacelia mutabilis J. C. Roos 1937-8-18 670 Riverside Round Valley, San Jacinto Mountains. Comment
  RSA480078  Phacelia neglecta Steve Boyd, Richard Noyes, L. Arnseth, D. Nordin 1988-3-10 2163 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA0042826  Phacelia pedicellata Duncan S. Bell, Deidre Conocchioli 2014-3-18 6252 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  UCR181345  Phacelia ramosissima Mitch Provance 2003-7-7 6527 Riverside San Bernardino Valley, S of the site of the historic town of Declezville, in an unincorporated part of Riverside Co. just south of Fontana (in the Southridge area), along the NW slopes of the Jurupa Mountains, c. 0.3 miles ENE of peak 1437 317 Comment
  RSA645684  Phacelia ramosissima var. latifolia Scott D. White 1999-5-24 7374 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi W of I-215 freeway. 442 Comment
  CAS-BOT-BC265862  Phalaris canariensis Peter H. Raven 1958-5-18 12992 Riverside Pinon Flats, San Jacinto Mountains Comment
  POM145512  Phalaris lemmonii J. B. Feudge 1927-4-12 1898 Riverside Temescal Canyon 351 Comment
  UCR96878  Phalaris lemmonii Scott D. White 1993-4-30 1314 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  UCR139629  Phalaris paradoxa A. C. Sanders 2004-6-30 28398 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  RSA0057662  Philadelphus microphyllus var. stramineus P. A. Munz 1924-7-27 8762 Riverside North side of high rock. Dark Canyon, San Jacinto Mts. 2409 Comment
  POM243711  Pholisma arenarium E. C. Jaeger 1938-5-15 s.n. Riverside Barkers Reservoir, Joshua Tree National Monument. 1280 Comment
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Nov 13 2016
  UCR135813  Pholistoma auritum A. C. Sanders, Guy Bruyea 2004-4-2 27444 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  SBBG6207  Pholistoma membranaceum C. H. Muller 1952-4-5 9492 Riverside White Water Cyn, 1 mi above Whitewater Comment
  UC197348  Pholistoma membranaceum Samuel B. Parish Mar 1883 21 Riverside borders of the Colorado Desert Cabezon; Colorado Desert, Cabezon Comment
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Jul 15 2009
  NY42611  Phoradendron bolleanum J. B. Walker 1995-3-21 1268 Riverside W of Palm Desert, along Hwy 79, 3km E of Pinyon Flat Campground 1200 Comment
  RSA132730  Phoradendron californicum Del Wiens 1953-12-5 868 Riverside Near junction of road from south end of Joshua Tree Nat. Mon. and U.S. 60 and 70. 152 Comment
  RSA640171  Phoradendron californicum Louis C. Wheeler 1964-10-17 8641 Riverside North side of Orocopic Mountains: South of Hayfield Reservoir. Comment
  UC848868  Phoradendron californicum I. W. Clokey 1935-4-17 6575 Riverside Cottonwood Springs Comment
  RSA601104  Phoradendron macrophyllum A. C. Sanders, J. Goetzen 1996-5-1 18141 Riverside San Bernardino Mtns: Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning 793 Comment
  RSA698148  Phoradendron macrophyllum J. Vlahos 1934-01 s.n. Riverside Ortega Highway Comment
  SD137586  Phoradendron macrophyllum Darin L. Banks, Steve Boyd 1995-10-17 823 Riverside NW Palomar Mountains; Agua Tibia Mountains, Cleveland National Forest, Dripping Springs Campground 487 Comment
  RSA468063  Phragmites australis George R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms Comment
  UCSB71043  Phragmites australis Lambert, Adam 2007-2-19 Riverside Thousand Palms Canyon. Thousand Palms Canyon Road Comment
  POM184043  Physalis crassifolia Philip A. Munz 1932-3-15 12004 Riverside Magnesia Spring Canyon, Coachella Valley. 91 Comment
  POM4167  Physalis crassifolia I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canon. 274 Comment
  RSA423910  Physalis crassifolia var. crassifolia Christopher Davidson 1980-4-4 7676 Riverside Orocopia Mts. Lower end of Box Canyon on Box Canyon Rd.; 4.4 mi. E of Mecca. 213 Comment
  RSA667128  Picris echioides A. C. Sanders 2000-11-15 23725 Riverside Moreno Valley, east side of Ellsworth St. between Cactus Ave. and Allesandro Blvd., near 14400 Ellsworth 476 Comment
  RSA698298  Pinus cembroides J. Vlahos 1934-6-3 s.n. Riverside Lower Transitions Zone or upper sonoran. Comment
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Dec 11 2011
  RSA762003  Pinus coulteri Shawn Krosnick, C. Martinez, N. Fraga, L. McDade 2010-8-14 655 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CAS-BOT-BC78594  Pinus flexilis Winifern W. Swarth 1914-9-10 s.n. Riverside Ridge west of Tahquitz Valley (highest point on Strawberry Valley trail), San Jacinto Mts. 2438 Comment
  UC2013410  Pinus lambertiana Rudolf Schmid and Mena J. Schmid 2009-5-1 2009 -3 Riverside NW San Jacinto Mountains NE of Highway 243 ca. 16 highway km NW of Idyllwild, in the S unit of the San Bernardino National Forest, on SW flank of Black Mountain (summit). Righ of Black Mountain Trail on slope covered with Pteridium aquilinum and near drainage (Indian Creek), uppermost Hall Canyon Comment
  RSA0119891  Pinus monophylla Duncan S. Bell, Thomas Stoughton 2016-4-12 9224 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 Comment
  SD232127  Pinus monophylla Scott D. White, Justin M. Wood 2008-6-17 12187 Riverside San Jacinto Mountains: Morris Ranch Rd. - open area W of Goff Flat. Comment
  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
  RSA619552  Piperia cooperi Darin L. Banks 1997-5-5 2000 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  UCR97024  Pityrogramma triangularis var. triangularis Scott D. White 1997-2-28 4712 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UCR171211  Plagiobothrys acanthocarpus R. E. Riefner Jr. 2006-4-8 06- 106 Riverside Peninsular Range, Lake Elsinore (city), back basin of lake Elsinore west of Pete Lehr Dr. and south of levee near Diamond Stadium 419 Comment
  RSA716399  Plagiobothrys arizonicus Scott D. White, Angelia Carey 2004-4-5 10001 -A Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR172214  Plagiobothrys canescens John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  UCR214576  Plagiobothrys canescens A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37857 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  UCR120650  Plagiobothrys collinus D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1791 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR241852  Plagiobothrys collinus var. californicus A. C. Sanders, Timothy W. Chumley 2013-4-3 40769 Riverside Peninsular Range, Temescal Canyon south of Horsethief Canyon Rd. off the west shoulder of I-15 Fwy, SE of Corona (Lee) Lake 392 Comment
  SEINET10805514  Plagiobothrys collinus var. fulvescens Mitch C. Provance 2003-4-26 Provance 9895 Riverside Santa Ana River Vlley: Northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just S of Crestlawn Memorial Cemetery. Grassy clay slopes with patches of coastal sage scrub (Hemizonia abundant) between 900 and 1200 ft., becoming bouldery between 1200 and 1400 ft. with coastal sage scrub (Salvia mellifera common) 274 Comment
  UCR112995  Plagiobothrys collinus var. fulvescens Mitch Provance, Seychelle Provance, Juanita Provance, Claude Provance 1999-4-4 1721 Riverside Riverside, 'Whitegates Hills', c. 0.125 miles north of Overlook Pkwy. 381 Comment
  OBI33569  Plagiobothrys fulvus A. C. Sanders & T. Glenn, T. Glenn 1983-4-17 3736 Riverside Mesa de Colorado, Santa Ana Mts, 5 mi (airline) SW of Murrieta 610 Comment
  CLARK-A1528-2261  Plagiobothrys leptocladus John C. Roos 1966-3-24 Riverside Edgemont Comment
  POM146287  Plagiobothrys leptocladus J. B. Feudge 1927-5-19 1751 Riverside Perris 396 Comment
  UCR126941  Plagiobothrys leptocladus A. C. Sanders, T. B. Salvato 2003-5-9 26583 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  UCR25970  Plagiobothrys leptocladus John C. Roos 1966-3-24 s.n. Riverside Edgemont Comment
  RSA562107  Plagiobothrys nothofulvus Steve Boyd 1992-4-14 6799 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  RSA192205  Plagiobothrys undulatus E. W. Lathrop 1966-4-24 6202 Riverside 4 miles W of Murrieta Comment
  RSA412600  Plantago bigelovii subsp. californica Robert Gustafson, Gary D. Wallace 1983-6-23 2719 Riverside Mesa de Burro, Santa Rosa region, Santa Ana Mountains. 701 Comment
  CAS-BOT-BC226238  Plantago erecta A. C. Sanders 2011-4-7 39035 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake, near canyon crossing at Glen Eden 384 Comment
  RSA262104  Plantago erecta E. W. Lathrop 1971-3-21 7459 Riverside Bedford Truck Trail of the Coleveland nat'l Forest, Trabuco District. 915 Comment
  SD122968  Plantago lanceolata Steve Boyd 1985-7-23 1000 Riverside 5.0 miles west of Ranco California at junction of Rancho California Road and DeLuz Road. 427 Comment
  RSA796335  Plantago ovata Duncan S. Bell 2009-4-18 199 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  RSA278493  Plantago ovata var. fastigiata John F. Emmel 1977-3-28 555 Riverside Large wash just NW of Sand Draw Siphon, ca. 10 air miles W. of Rice, SE Mojave Desert. 274 Comment
  RSA555334  Plantago ovata var. fastigiata A. C. Sanders, E. J. Lawlor 1992-4-4 12087 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  SBBG99819  Plantago ovata var. fastigiata W. L. Halvorson 1977-2-15 77 -31 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  SD215599  Plantago ovata var. insularis W. Wisura, J Dolan and M Wall 1992-3-24 4626 Riverside 7.7 miles northeast of Mecca on Box Canyon Road. Comment
  UCR84590  Plantago patagonica Scott D. White, S. Ogg 1994-4-21 1972 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  SBBG101726  Platystemon californicus S. Boyd with T. Ross, M. Hammitt 1991-5-2 6071 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
  UC50129  Platystemon californicus Geo. R. Hall 1901-3-17 Riverside Riverside 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
  POM68795  Plectritis ciliosa subsp. insignis Marcus E. Jones 1882-4-24 3167 Riverside San Jacinto. Comment
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Dec 9 2010
  POM47181  Pleuraphis rigida Mary F. Spencer 1920-3-17 1529 Riverside Whitewater. Comment
  RSA414081  Pleuraphis rigida J. S. Stubblefield 1934-9-12 s.n. Riverside Between Desert Center & Blythe. 106 Comment
  SBBG57095  Pleuraphis rigida M. N. Ackley -Feb-1926 1 Riverside near Edom 64 Comment
  RSA709904  Pleurocoronis pluriseta Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4607 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UC1292583  Pleurocoronis pluriseta C. L. Hitchcock and C. V. Muhlick 1964-3-22 23261 Riverside w end Pinto Basin; Joshua Tree National Monument, Pinto Basin Comment
  UC1929845  Pleurocoronis pluriseta Scott D. White 2001-4-17 8334 Riverside SONORAN DESERT: Shavers Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajadas, washes, and mtn. foothils near powerline access roads at unnamed freeway exit accessing pump station. Comment
  POM4878  Pluchea odorata Geo R. Hall 1905-09 s.n. Riverside Riverside Comment
  UC485233  Pluchea odorata var. odorata Jos. Burtt Davy 1902-4-2 8038 Riverside Salton Comment
  RSA0031444  Pluchea sericea Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4427 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
  SD229103  Pluchea sericea Dick Schwenkmeyer, Collection made by Tony Harper 2013-5-8 888 Riverside Little Paradise Camp in Palm Canyon, approx. 8 miles S. of Cathedral City 869 Comment
  RSA741114  Poa pratensis Scott D. White, Justin M. Wood 2008-6-18 12239 Riverside Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  UC1931207  Poa pratensis Scott D. White, Justin Wood 2008-6-19 12268 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  UCR25361  Poa pratensis John C. Roos 1952-5-7 5622 Riverside Flats at Edgemont 488 Comment
  UCR23303  Poa secunda John C. Roos 1952-4-2 5453 Riverside Edgemont, near Box Springs 488 Comment
  SD215355  Poa secunda subsp. secunda Steve Boyd, Tim Ross, Laurel Arnseth et al 1990-4-2 4023 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along Highway 79 East of USFW Dripping Springs Guard Station 487 Comment
  UCD91780  Poa secunda subsp. secunda F. W. Peirson 1921-3-22 5368 Riverside Murray Canyon, Colorado Desert. 396 Comment
  UCR260539  Polygonum argyrocoleon T. B. Salvato, Matt Malle, Thomas M. Sullivan Jr 2014-5-30 8060 Riverside Perris-Aguanga Basin, Wildomar, c. 2 mi east of Lake Elsinore, west side of Mission Trail, north of Victorian Lane 387 Comment
  RSA334990  Polygonum punctatum Steve Boyd 1985-7-23 1014 Riverside De Luz Road, 8.0 miles W of Rancho California. Sandia Creek. 305 Comment
  UCR278883  Polygonum punctatum Mitch Provance 2012-11-10 17603 Riverside San Bernardino Valley, Riverside, Springbrook Creek (remnant) Fairmont Park, between the east side of Lake Evans and the west side of Market St. 245 Comment
  UCD91375  Polypogon monspeliensis Fred M. Reed 1906-5-19 960 Riverside Riverside and vicinity. Rubidoux Ave. near Brockton. 228 Comment
  IRVC175  Polystichum imbricans subsp. curtum C. Thompson 1965-4-24 HS 548 Riverside Upper San Juan Creek Camp; Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  RSA679172  Polystichum imbricans subsp. curtum Fred M. Roberts 2003-6-25 5953 Riverside Santiago Peak, south slope, Main Divide truck Trail, c.a. 0.1km S Bear Springs. 1219 Comment
  POM296372  Populus fremontii Lyman D. Benson 1945-4-6 11663 Riverside Whitewater Canyon, 3 miles above Whitewater; San Bernardino Mts.; Drainage area: Colorado Desert. 427 Comment
  SD46504  Populus fremontii P. C. Everett, E. K. Balls 1956-5-1 21549 Riverside Hwy 95, 25 mi. s, of San bernardino-Riverside County line, Vidal to Blythe 399 Comment
  UCR101594  Populus fremontii 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
  SEINET8725387 Image available Populus fremontii William B. Fox 1952-1 5727 Riverside Canyon of San Jacinto River, east of Hemet. Comment
  RSA407723  Porophyllum gracile Steve Boyd 1986-5-1 1786 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  RSA4946  Porophyllum gracile C. B. Wolf 1932-4-27 3052 Riverside Colorado Desert, lower end of Lost Palm Canyon, at 1st rocky hills, 1mi off the Mecca-Blythe Road. 244 Comment
  UCR97713  Porophyllum gracile Scott D. White 1997-2-28 4714 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UCR92085  Portulaca oleracea Scott D. White, S. Ogg 1994-10-17 2463 .1 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  RSA198980  Potamogeton foliosus Robert F. Thorne 1968-5-8 37593 Riverside Santa Rosa Plateau, Rancho California 610 Comment
  UCR9250  Potentilla gracilis D. H. Wilken 1965-6-29 386 Riverside San Jacinto Mtns, W end of Hemet Valley (Garner Valley), near Lake Hemet 1372 Comment
  RSA200061  Potentilla gracilis var. elmeri L. B. Ziegler 1967-8-1 s.n. Riverside Upper Hurkey Creek south side of San Jacinto Mts. Comment
  RSA0014807  Proboscidea louisianica Steve Boyd 1984-9-20 s.n. Riverside Mead Valley, 4.5 mi NW of Perris, along Cajalco Rd., 0.2 mi E of its intersection with Clark St. (Old Elsinore Rd.) Comment
  CAS-BOT-BC206983  Prosopis glandulosa var. torreyana F. P. Cronemiller 1927-5-11 3016 Riverside Oak Park R.S., Cleveland Forest 762 Comment
  POM2529  Prosopis glandulosa var. torreyana L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto. Comment
  SEINET10489773  Prosopis glandulosa var. torreyana David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2882 Riverside Pushawalla Canyon, Indio Hills. In W wall of wash. Comment
  SD230235  Prosopis velutina Louis C. Wheeler 1961-10-8 7933 Riverside Temescal Canyon: at Dawson Canyon Fire Road Comment
  CAS-BOT-BC158296  Prunus fasciculata var. fasciculata Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-9 386 Riverside 10' south of Hwy 74 between [Sugar Loaf] Sugarloaf Cafe and entry gate to service road. Deep Canyon watershed, north slope Santa Rosa Mountains 1219 Comment
  CAS-BOT-BC151127  Prunus fremontii J. Ewan 1929-2-22 3684 Riverside Palm Canyon of San Jacinto 304 Comment
  RSA296119  Prunus ilicifolia Barry A. Prigge 1980-8-11 3894 Riverside Whitewater Canyon: 3.2 miles upstream from trout farm. 854 Comment
  CLARK-A1528-4037  Prunus virginiana John C. Roos 1965-7-3 Riverside San Jacinto Mountains Comment
  UC68969  Psathyrotes ramosissima H. M. Hall May 1905 5864 Riverside Chuckawalla Springs Colorado Desert Comment
  UC829342  Psathyrotes ramosissima Lewis S. Rose 1938-12-19 38326 Riverside 6 mi s Cathedral City 45 Comment
  POM358759  Pseudognaphalium biolettii N. R. Zabriskie 1974-3-27 694 Riverside N side canyon downstream from 'Big Pool' Andreas Canyon, N slope San Jacinto mts 335 Comment
  POM4652  Pseudognaphalium biolettii Robinson, Crocker 1916-3-29 569 Riverside Santa Ana Mountains, canyons near Murietta. Comment
  RSA3116  Pseudognaphalium biolettii C. B. Wolf 1932-2-11 2645 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  JEPS23585  Pseudognaphalium californicum Peter H. Raven 1958-5-17 12953 Riverside 7.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  UCR274191  Pseudognaphalium californicum T. B. Salvato, Gregg Miller 2005-6-7 1434 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  JOTR30789  Pseudognaphalium luteoalbum La Doux, Tasha, K. White, A. Holt, C. Ely, J. Van Warmerdam 2007-2-26 2096 Riverside Joshua Tree National Park. Eagle Mountains; Cottonwood Oasis 914 Comment
  SDSU21798  Psilocarphus brevissimus var. brevissimus Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3981 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  RSA561126  Psilocarphus tenellus Steve Boyd 1993-5-12 7309 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  SBBG68078  Psorothamnus arborescens Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  LA205211  Psorothamnus arborescens var. simplicifolius J. A. Ewan; 1930-4-18 3080 Riverside 3 mi. E of Painted Hill, road to Morongo Valley Comment
  SEINET7048069  Psorothamnus arborescens var. simplicifolius Steven R. Hill 2001-4-29 33546 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
  UC1929658  Psorothamnus arborescens var. simplicifolius V. Soza, J. M. Porter, G. D. Wallace 2001-4-2 1092 Riverside Transverse Ranges, Little San Bernardino Mountains region; Mouth of Little Morongo Canyon, NE of junction of Augusta Avenue and Little Morongo Drive, NW Desert Hot Springs. 412 Comment
  CAS-BOT-BC353625  Psorothamnus emoryi John Thomas Howell 1928-3-11 3436 Riverside 6 miles SE of Garnet Station, Coachella Valley, Colorado 152 Comment
  LA205189  Psorothamnus emoryi A. M. Johnson; 1933-4-28 4225 Riverside below Palm Springs, over mountains to Hemet Comment
  RSA403988  Psorothamnus emoryi Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  GMDRC5486  Psorothamnus schottii J. Andre 2012-4-11 20847 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi. due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit 624 Comment
  POM126307  Psorothamnus schottii Thomas Craig 1927-4-2 45 Riverside Hidden Springs Canyon; Colorado Desert. Comment
  UCSB18556  Psorothamnus schottii Shaw, Merrilee 1963-5-5 Riverside Along State Highway 74, 9.6 miles northeast of Pinyon Flats Campground 487 Comment
  SBBG68033  Psorothamnus spinosus M. Van Rensselaer 1945-11-18 1919 Riverside S of Cathedral City Comment
  RSA91439  Psorothamnus spinosus F. W. Peirson 1921-4-13 568 Riverside Deep Canyon Wash, about 12 miles SE of Palm Springs. 152 Comment
  SD229011  Pteridium aquilinum Dick Schwenkmeyer 2012-8-28 817 Riverside Fuller's Mill camp, 2.6 mi. east of intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  RSA482019  Pteridium aquilinum var. pubescens Richard Noyes, L. Arnseth 1988-9-10 730 Riverside San Jacinto Mountains: South Ridge Trail, southwest of Tahquitz Peak. 2072 Comment
  RSA728144  Pterostegia drymarioides Daphne K. Christopher, Hannah Stevens, Zachary Princip 2003-4-7 112 Riverside Santa Rosa Plateu Nature Conservancy Preserve. Tenaja Truck Road. 610 Comment
  UCSB18445  Pterostegia drymarioides Keith, Sheldon 1963-5-5 Riverside State Highway 74, 10.8 miles SW of Palm Desert 914 Comment
  VVC419  Pterostegia drymarioides A. C. Sanders, J. Mac 1997-5-4 20630 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  CAS-BOT-BC126763  Quercus berberidifolia A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-2 37712 B Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, along dirt road north of Concordia Ranch Rd, and east of Black Powder Rd. 379 Comment
  POM49869  Quercus berberidifolia P. A. Munz, I. M. Johnston 1924-7-29 8863 Riverside Above Poppet Flat, San Jacinto Mts. 1220 Comment
  UCR264644  Quercus berberidifolia Mitch Provance 2012-4-27 412- 19 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
  JEPS37487  Quercus chrysolepis W. L. Jepson 1903-8-5 2268 Riverside on side of Blind Canyon, San Jacinto Mt., Strawberry Valley Blind Canyon; San Jacinto Mt., Strawberry Valley 1737 Comment
  RSA597520  Quercus chrysolepis Louis C. Wheeler 1945-10-6 6128 Riverside San Jacinto Mountains. North fork San Jacinto River. 1890 Comment
  RSA761229  Quercus chrysolepis Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 726 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SEINET10678004  Quercus chrysolepis Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-15 Scott 131 Riverside San Bernardino National Forest. 14.5 mi. S on Rt. 243 from US 10, at pulloff next to Soboba Penny Pine Plantation. 1602 Comment
  UCSB1108  Quercus cornelius-mulleri Haller, John 1960-5-15 Riverside At Vandeventer Flat, 3.3 mi. E of the junc. of the road to Anza on Calif. 74 1371 Comment
  CAS-BOT-BC257778  Quercus dumosa P. S. Manos 1988-10-27 668 Riverside Gavilan Rd., in Wildlife Preserve 600 Comment
  IRVC14033  Quercus dumosa L. T. McHarque 1965-8-24 s.n. Riverside Comment
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Jun 23 2013
  CDA31210  Quercus engelmannii Mike Lahti 2010-2-8 PDR# 1501957 Riverside West of the city of Temecula, near the San Diego and Riverside County line. 0 Comment
  UC1135589  Quercus engelmannii R. St. John 1930-3-18 108 Riverside Lakeside Mountain Elsinore Quad. 731 Comment
  UCR60994  Quercus engelmannii B. G. Pitzer 1988-6-10 1051 Riverside Santa Ana Mtns., Rancho California area, intersection of Sandia Creek Road and La Cruz Drive Comment
  RSA5397  Quercus john-tuckeri Carl B. Wolf 1932-10-12 4295 Riverside Above Pinyon Well, Little San Bernardino Mts. 1220 Comment
  UC404011  Quercus john-tuckeri Dr. D. P. Barrows before Aug 1898 3 Riverside Cahuilla Indians Comment
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Feb 14 2013
  RSA654163  Quercus palmeri A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22279 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  SBBG1340  Quercus palmeri M. Van Rensselaer 1946-7-10 1921 Riverside Palms to Pines Hwy near Anza Rd jct 1371 Comment
  IRVC1363  Quercus turbinella R. H. Whittaker, W. A. Niering 1963-6-6 SJ 253 Riverside San Jacinto Mountains: 5509, back road. On a NE 2 degree slope above granite soil. 854 Comment
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Jun 27 2013
  POM312161  Quercus turbinella N. C. Cooper 1944-5-20 1307 Riverside Palms to Pines Hwy., San Jacinto Mtns. 1220 Comment
  SD212631  Quercus wislizeni T. B. Salvato 2004-5-27 592 Riverside Head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  UC1212091  Quercus wislizeni Peter M. Ray 1948-11-27 1311 Riverside Hall Canyon San Jacinto Mts. Comment
  UCR96263  Quercus wislizeni Scott D. White 1996-8-1 4445 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  RSA192183  Rafinesquia californica E. W. Lathrop 1966-5-1 6218 Riverside 2 miles west of Murrieta Comment
  RSA220971  Rafinesquia californica E. W. Lathrop 1966-5-8 6405 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
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Apr 28 2011
  RSA701404  Rafinesquia californica Steve Boyd, Aydee Virgen 2004-4-13 10889 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  JOTR28944  Rafinesquia neomexicana La Doux, Tasha 2005-3-30 1180 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA0124373  Rafinesquia neomexicana Duncan S. Bell, LeRoy Gross 2016-3-31 9197 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 591 Comment
  RSA3968  Rafinesquia neomexicana C. B. Wolf 1932-4-29 3107 Riverside Eastern Colorado Desert, 9 miles south of Browns Well, on the Blythe-Rice Road 244 Comment
  RSA717621  Rafinesquia neomexicana Scott D. White, Andrea Warniment Edwards 2006-3-29 11274 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  RSA180484  Ranunculus californicus E. W. Lathrop 1960-4-15 4754 Riverside 14 miles west of Murrieta, in low valley pasture in Tenaja Canyon. 610 Comment
  CAS-BOT-BC74228  Raphanus sativus T. Winfield 1975-5-3 s.n. Riverside Perris Dam - Base of Dam. Comment
  UCR58482  Rhamnus crocea Ed LaRue 1989-1 s.n. Riverside foothills of San Bernardino Mtns, Hills east of Beaumont, along Potrero Creek, 0.5 mi. east of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  UCR4789  Rhamnus ilicifolia Ronald Somerby 1966-7-8 s.n. Riverside Santa Ana Mtns., mouth of Tin Mine Canyon, 3.6 mi. SW of Corona 427 Comment
  CLARK-A1528-1412  Rhus integrifolia John C. Roos 1944-1-29 2766 Riverside Box Springs Mountains 774 Comment
  RSA592685  Rhus trilobata Scott D. White, Duayne Haselfeld 1996-7-2 4269 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  RSA594511  Rhus trilobata var. pilosissima D. L. Banks, Dylan Hannon 1996-5-3 998 Riverside Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, 30 m N of campsite #9 487 Comment
  UCR79261  Ribes californicum var. hesperium Steve Boyd, Orlando Mistretta 1992-4-22 6994 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  CHSC1656  Ribes canthariforme V. Holt 1942-3-29 Riverside Keen Camp, Santa Rosa mountains. Comment
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Mar 22 2014
  JEPS49431  Ribes cereum W. L. Jepson 1903-8-8 2320 Riverside Log Cabin, on upper trail San Jacinto Peak 2438 Comment
  RSA0125189  Ribes indecorum Duncan S. Bell 2016-3-3 8771 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3 air miles east northeast of Kitching Peak. 934 Comment
  RSA1249  Ribes indecorum B. D. Stark 1930-3-18 1487 b Riverside 1/2 way up west side of Mt San Jacinto. Comment
  UCR51365  Ribes indecorum A. C. Sanders 1988-1-30 7591 Riverside Peninsular Range, Eastern foothills of the Santa Ana Mountains, c. midway between Murrieta and Temecula. Los Cerritos Ranch and adjacent 80 acre property to the NW; north of Cherry St., west of Adams Ave, south of Meadowlark Ridge Lane and Elm St 366 Comment
  UCR60643  Ribes indecorum C. B. Wolf 1932-2-11 02650 Riverside Santa Ana Mtns, Hidden [Tin Mine] Canyon, 5 mi. west of Corona, base of Skyline Drive. 405 Comment
  RSA0036011  Ribes montigenum Robert F. Thorne, Walter Wisura 1977-9-17 50800 Riverside San Jacinto Mountain: summit 3293 Comment
  RSA476213  Ribes nevadense N. C. Cooper 1944-6-17 2009 Riverside San Jacinto Mtns. above Banning. 1220 Comment
  UC1127498  Ribes quercetorum R. St. John 1931-1 209 Riverside Comment
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Jun 15 2012
  UC284743  Romneya coulteri P. A. Munz 1923-6-14 7108 Riverside Trail, Glen Ivy to Santiago Peak, Santa Ana Mountains Glen Ivy; Santa Ana Mountains 1005 Comment
  UC914715  Rosa californica I. W. Clokey and E. G. Anderson 1935-8-21 6743 Riverside North Fork San Jacinto River 1500 Comment
  UCR151043  Rosa californica Scott D. White 1998-7-31 6940 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  UCR178336  Rosa californica Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 650 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  RSA783124  Rumex J. D. Olmsted 1959-4-17 424 Riverside 3 miles north of Elsinore on Highway 71 in weedy area on east side of road 335 Comment
  POM204505  Rumex acetosella M. French Gilman 1934-7-8 s.n. Riverside San Jacinto Mountains Comment
  RSA735069  Rumex conglomeratus Scott D. White, Angelia Carey 2004-6-4 10474 Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  POM10265  Rumex conglomeratus F. M. Reed 1904-6-5 s.n. Riverside Fairmont Park. Comment
  UCR158322  Rumex crispus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30065 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CLARK-A1045-331  Rumex hymenosepalus George K. Helmkamp 1977-3-20 Riverside Cabazon roadside in Cabazon; Cabazon 7.5'Q Comment
  SEINET3245820  Rumex hymenosepalus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-1 37695 Riverside Peninsular Range; foothills of Gavilan Hills: Temescal Canyon at Alberhill, c. 1.2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 363 Comment
  CLARK-A1528-768  Rumex salicifolius Bruce Freeman 1968-5-22 680522-2 Riverside Riverside Comment
  UCR136273  Rumex salicifolius A. C. Sanders 2004-4-20 27562 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
  UCR268299  Rumex salicifolius Jim Andre 2012-6-15 30552 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  UC850653  Rumex salicifolius var. salicifolius I. W. Clokey and E. G. Anderson 1935-8-21 6601 Riverside Fuller Creek 1500 Comment
  POM78925  Sagittaria latifolia I. M. Johnston 1925-7-7 5288 Riverside Santa Ana River ca. 3 miles S of Wineville [Mira Loma Station]. 183 Comment
  CLARK-A1656-793  Salazaria mexicana Jon Mark Stewart 1982-5-15 Riverside San Jacinto Mountains 975 Comment
  HSC79238  Salazaria mexicana G. K. Helmkamp 1983-10-8 - 32 Riverside TNC Big Morongo Preserve, S of town of Morongo Valley in Big Morongo Canyon, beside pipeline road 762 Comment
  POM13991  Salazaria mexicana P. A. Munz 1922-4-9 4885 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  UC63797  Salazaria mexicana H. M. Hall May 17 1901-Jun 1 1901 1843 Riverside e base San Jacinto Mt.; east base of San Jacinto Mt. 457 Comment
  UCR264230  Salazaria mexicana A. C. Sanders, Jim Malusa 2015-9-10 41857 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
  UCR266335  Salicornia subterminalis D. E. Bramlet 1992-5-28 2294 Riverside Perris-Aguanga Basin region, west of Hemet, south of Florida Ave. and EMWD canal 457 Comment
  UC1979594  Salix exigua D. L Banks, Steve Boyd 1995-3-16 0091 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. Comment
  UC498066  Salix exigua var. hindsiana Philip A. Munz 1932-3-24 12031 Riverside n Elsinore (along small stream) 304 Comment
  UC537090  Salix exigua var. hindsiana Philip A. Munz 1932-3-24 12031 Riverside n of Elsinore 304 Comment
  CAS-BOT-BC108115  Salix gooddingii Carl Epling; Joseph Ewan 1933-5-12 7606 Riverside South shore Lake Elsinore Comment
  POM167692  Salix gooddingii C. F. Baker 1903-04 4146 Riverside Elsinore. Comment
  RSA0038337  Salix hindsiana var. leucodendroides H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  RSA772064  Salix laevigata Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4461 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
  SEINET10626142  Salix laevigata Greg Gust, Leith Nye 2005-3-11 Gust 546 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  POM319098  Salix lasiolepis Patricia Wilder 1971-2-4 4917 Riverside Santa Ana River in Prado Park; east of Archibald Ave. 244 Comment
  CDA21320  Salsola australis B. Villegas 2002-8-19 239 -3 Riverside South Coast Region; Temecula, Vaquero Dr. at Gallespy Ct. 335 Comment
  SD122377  Salsola paulsenii Duffie Clemons, Erik Jonsson 1988-2-13 1939 Riverside Alongside Washington Street, 3.0 miles north of I-10 southwest of Indio Hills, Coachella Valley. Comment
  SEINET3860546  Saltugilia australis Leigh A. Johnson, Deborah A. Johnson 1997-5-12 97 -082 Riverside San Bernardino Natl. Forest, Cahuilla Mtn. vicinity. Along road to Cahuilla Mtn. trail, plants collected 0.3 to 1.7 miles from Tripp Flats Forest Service station. Plants farther up road in mid flower, a few in seed; mostly past flowering near start of road with capsules just ripening.; 0 1220 Comment
  JOTR34201  Saltugilia latimeri La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2993 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  UC714913  Saltugilia splendens subsp. splendens R. C. Foster 1937-3-7 63 Riverside near aqueduct (w slope Whitewater Canyon); w slope Whitewater Canyon Comment
  POM210065  Salvia apiana Victor Duran 1933-7-1 3491 Riverside Near Santa Rosa. Santa Rosa Mountains 1829 Comment
  RSA411315  Salvia apiana N. C. Cooper 1944-4-8 1081 Riverside San Bernardino National Forest, San Jacinto Mountains: Andreas Canyon (near Palm Springs) 457 Comment
  SDSU13634  Salvia apiana W. Miller, C. Mosse 1972-7-20 Riverside R.C. Weather station. Comment
  UCR76077  Salvia canariensis Don Pendleton 1992-5-12 s.n. Riverside City of Riverside, Mt. Rubidoux, near Peace Arch Comment
  RSA524585  Salvia carduacea Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4133 Riverside Vail Lake area, SW base of 'Big' Oak Mountain, mouth of Temecula Creek Canyon 366 Comment
  JOTR34308  Salvia columbariae Andre, Jim 2012-4-11 20722 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  RSA543758  Salvia columbariae Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6058 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA784942  Salvia columbariae Duncan S. Bell 2012-2-12 3120 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SD234435  Salvia columbariae Wayne Law, Jun Hu 2000-5-16 18 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi S of Corona (Aberhill 7.5' Q) 395 Comment
  UCR226068  Salvia columbariae A. C. Sanders, T. B. Salvato 2011-4-1 38962 Riverside Peninsular Range, Lake Elsinore, hill 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 395 Comment
  UCR256802  Salvia columbariae T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7866 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  UCSC001513  Salvia columbariae Peter Kamb 1948-4-11 898 Riverside Banning-Indio Highway east of Whitewater Wash. Banning-Indio Highway, Whitewater Wash. - Coachella Valley 457 Comment
  UCLA69708  Salvia eremostachya C. Epling and Mrs. Epling 1937-6-6 Riverside 0.6 mi below Shumway (Palms to Pines Hwy) Comment
  RSA434131  Salvia mellifera Martha Hilend 1928-4-8 164 Riverside Lake Elsinore, about 3 miles west of lake. Comment
  RSA8713  Salvia mellifera P. A. Munz 1920-4-11 3815 Riverside Santa Ana River Canyon. 305 Comment
  UCR173153  Salvia mellifera Abby Sirulnik 2000-4-18 13 Riverside South Coast; Perris Basin, Motte Rimrock Reserve, NW of Perris 610 Comment
  CLARK-A1528-3122  Salvia mohavensis John C. Roos 1965-6-23 Riverside Lost Palms Canyon Comment
  POM210539  Salvia pachyphylla Victor Duran 1933-7-1 3490 Riverside Near Vandeventer Flat, Santa Rosa Mts. 1677 Comment
  RSA448913  Salvia vaseyi N. C. Cooper 1948-5-13 2837 Riverside Devil's Garden. 244 Comment
  CLARK-A1528-3839  Samolus parviflorus John C. Roos 1937-6-7 497 Riverside Aguanga Comment
  RSA596153  Samolus parviflorus D. L. Banks 1996-11-7 1190 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation., Approximately 150 m NW of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 473 Comment
  UCR120962  Sanicula arguta A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23889 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  RSA543857  Sanicula bipinnatifida Steve Boyd, Orlando Mistretta 1991-5-22 6308 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA674919  Sanicula crassicaulis Scott D. White 2000-5-1 7737 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  CLARK-A1528-1455  Sanicula tuberosa John C. Roos 1937-3-6 1304 Riverside Reche Canyon Comment
  SBBG45008  Sarcodes sanguinea N. C. Cooper 1944-6-17 1404 Riverside Pine Cove 1828 Comment
  UC1123579  Sarcostemma cynanchoides subsp. hartwegii H. S. Yates 1936-4-6 5407 Riverside Palm springs San Jacinto Quad., Palm springs Comment
  UCR924  Satureja chandleri Oelrich 1959-4-17 s.n. Riverside 0.6 mi. north of sign #B4.86 on Hwy 79, between Hemet and Sage [Bad locality?] Comment
  UCR91897  Schinus polygamus A. C. Sanders, G. Helmkamp 1995-12-5 17929 Riverside Riverside, University of California campus 336 Comment
  SEINET10867937  Schismus arabicus Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 Holmgren 6464 Riverside Rice Valley, 7 mi S-SW of Rice. Sand dunes; common. Culms and leaves prostrate. 274 Comment
  RSA726531  Schismus barbatus Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Lelenad Lubinsky 2005-2-10 1442 Riverside Along Palen Road near Hwy 177. 170 Comment
  RSA727088  Schismus barbatus Naomi Fraga, Lisa Rojas 2005-2-10 1365 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCD93094  Schismus barbatus Collector unknown 1951-1-1 s.n. Riverside Palm Springs. Comment
  UCR163233  Schoenoplectus acutus var. occidentalis D. L. Koutnik, Ian Swift 1999-6-19 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, proposed conservation bank in Wilson Creek watershed, north of Aguanga, west of Cahuilla Rd., south of Wilson Valley Rd., east of Sage Rd. 671 Comment
  UCR47885  Schoenoplectus acutus var. occidentalis S. J. Myers 1987-6-24 s.n. Riverside Peninsular Range, Murrieta Creek, at confluence with Temecula Creek, near the town of Murrieta 290 Comment
  CAS-BOT-BC111578  Schoenoplectus americanus Frederick Morris Reed 1904-6-19 612 Riverside Bogs along Spring Brook below Fairmount Park. Comment
  POM1394  Schoenoplectus americanus I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 274 Comment
  POM6878  Schoenoplectus americanus Phillip A. Munz, L. T. Street, G. Williams 1919-3-26 2335 Riverside Figtree John s Spring, near Salton Sea. -61 Comment
  SBBG87827  Schoenoplectus americanus A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6093 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckawalla Mtns 487 Comment
  RSA92140  Schoenoplectus americanus F. W. Peirson 1921-3-20 2848 Riverside Palm Canyon, Colorado Desert. 305 Comment
  RSA554215  Schoenoplectus californicus A. C. Sanders, Chet McGaugh 1991-7-19 11149 Riverside Murrieta Hot Springs, large vernal pool on S side of Murrieta Hot Springs Road, E of Via Princesa & N of Calle del Lago. 348 Comment
  RSA652886  Schoenoplectus californicus John Wallace 1991-5-8 22 Riverside Colorado River. Comment
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Aug 13 2015
  POM186279  Scirpus acutus var. occidentalis Joseph A. Ewan, C. Epling 1933-5-12 7604 Riverside South shore Lake Elsinore. Comment
  UC306142  Scirpus americanus Ivan Johnston 1917-4-4 Riverside Palm Canyon Colorado Desert, Palm Canyon (along creek, Colorado Desert) 274 Comment
  UC574975  Scirpus maritimus C. Epling and J. Ewan June, 1933 Riverside s shore Lake Elsinore; s shore Lake Elsinore Comment
  SEINET13276759 Image available Scirpus microcarpus Mitch Provance 2012-1 196 -01 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave (Riverside 7.5' Q.) 226 Comment
  UCR90349  Scirpus microcarpus Scott D. White 1995-6-30 3418 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  UC494718  Scrophularia californica subsp. floribunda Philip A. Munz 1932-3-24 12029 Riverside s Elsinore lake 365 Comment
  RSA697611  Securinega fasciculata var. hallii J. R. Bruff 1928-5-2 168 Riverside Cottonwood Springs. Comment
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Oct 9 2010
  SEINET7048001  Selaginella asprella Steven R. Hill, Kate Kramer and family 2001-4-26 33465 Riverside San Jacinto Mountains, San Jacinto Wilderness, west of Palm Springs, trails south of visitor building at terminus of Palm Springs Aerial Tramway; vicinity of Long Meadow and higher ridges. Elevation about 8500 feet. Comment
  IRVC3926  Selaginella bigelovii P. W. Rundel 1964-12-17 1502 Riverside E of Homeland off US 74; Lakeview. Southern Coastal 488 Comment
  RSA702732  Selaginella bigelovii Scott D. White, Michael Honer 2004-4-6 10057 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  RSA85942  Selaginella bigelovii Frank W. Peirson 1921-3-22 s.n. Riverside Murray Canyon, near Palm Springs 487 Comment
  SEINET7048061  Selaginella bigelovii Steven R. Hill 2001-4-29 33538 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
  UCR97248  Selaginella bigelovii Scott D. White 1997-2-28 4715 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  POM12435  Selaginella eremophila Philip A. Munz, D. D. Keck 1922-4-9 4865 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 762 Comment
  SBBG56357  Selaginella watsonii R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2438 Comment
  RSA735230  Senecio flaccidus Scott D. White, Angelia Carey 2004-6-4 10479 -B Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  JEPS37431  Senecio flaccidus var. monoensis W. L. Jepson 1928-4-23 12550 Riverside 2.5 mi below Cottonwood Springs; Eagle Mts. 487 Comment
  CAS-BOT-BC364136  Senecio mohavensis Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2197 Riverside Northwest end of the McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA522715  Senecio vulgaris Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3901 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  UCR174120  Senecio vulgaris A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32607 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
  RSA1193  Senna armata B. D. Stark 1930-5-25 1619 Riverside Chuckawalla Valley, Colorado Desert Comment
  SEINET10608388  Setaria parviflora Steve Boyd 1989-7-9 Boyd 3773 Riverside Weeds in vegetable garden of house at 4863 Rubidoux Ave. Comment
  UCR4566  Setaria pumila O. F. Clarke 1959-8-6 580806- 2 Riverside Riverside, residence of O.F.Clarke, 1012 Spruce St. 300 Comment
  RSA596537  Setaria viridis D. L. Banks, Lauren Raz 1996-8-29 1136 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; Along Los Caballos Road, approximately 0.5 m S of Hwy. 79, 100 m N of the Golf Course access road;, along the E side of the road un