Search Results — 2000 specimen records retrieved (1887 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 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
  SD132531  Abies concolor F. C. Vasek, K. Neisses 1979-7-26 790726 3 Riverside Santa Rosa Mountains, north of Toro Peak at Virgin Spring Comment
  UC34  Abies concolor H. M. Hall 1901-8-1 2584 Riverside Tamarack Valley San Jacinto Mountains Comment
  CAS-BOT-BC229309  Abronia villosa A. C. Sanders; D. Malueg 2003-5-8 26564 Riverside San Jacinto Valley: San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  CAS-BOT-BC229346  Abronia villosa Jenkins; Street 1917-5-30 1935 Riverside San Jacinto Comment
  CAS-BOT-BC229355  Abronia villosa F. O. Ballou 1926-2-25 s.n. Riverside Indian Wells Comment
  RSA461029  Abronia villosa Christopher Davidson 1979-4-4 7674 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  SEINET3092168 Image available Abronia villosa John Adams 1965-4-17 124 Riverside Hwy 111, 2 mi. E of Palm Springs near foothills. Comment
  RSA0048314  Abronia villosa Charles MacKechnie 1950-4-29 s.n. Riverside Cranston Ranger Station, San Bernardino National Forest. 609 Comment
  CDA23841  Abronia villosa var. aurita T. C. Fuller 1962-4-3 7988 Riverside West of Highway 99 to Indio, 0.2 mile north of turn-off to Twenty Nine Palms, head of Coachella Valley. 0 Comment
  POM193048  Abronia villosa var. aurita Marcus E. Jones 1929-7-13 24802 Riverside Temecula Bridge Comment
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May 19 2011
  RSA461189  Abronia villosa var. aurita Robert M. Perkins, R. M. P., H. deForest 1937-3-15 408 Riverside White Water Creek Comment
  SD217331  Abronia villosa var. aurita Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 7098 Riverside Agua Tibia Mountains; West-southwest of Dorland Mountain, in the Pechanga Indian Reservation; along the sandy margins of Pechanga Creek, approximately 15 miles east of Pala Road. 351 Comment
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Feb 10 2013
  UCR238088  Abronia villosa var. aurita Mark A. Elvin, Julie M. Vanderwier 2002-5-16 2052 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  UCR244727  Abronia villosa var. villosa Jim Andre 2012-3-19 21344 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  RSA623995  Acacia greggii var. arizonica E. C. Jaeger 1921-10-9 286 Riverside Little Palm Canyon. 366 Comment
  RSA0117838  Acamptopappus sphaerocephalus var. sphaerocephalus Sarah J. J. De Groot, Thomas Stoughton 2016-4-19 7803 Riverside Santa Rosa Mountains: Along Dunn Road between Haystack and Asbestos Mountains, east of Potrero Spring, near head of Dead Indian Creek. Southwest of Palm Desert and north of Highway 74 and Alpine Village. 1230 Comment
  OBI32776  Acer negundo F. C. Vasek 1964-7-26 640726 -1 Riverside 2 mi N of Kenworthy Ranger Station Comment
  UCSB18916  Achnatherum coronatum Keefe, Joseph 1965-5-18 Riverside NE slope of Mt Edna, 2.1 mi S of Banning on road to Idyllwild. 762 Comment
  SBBG34672  Achnatherum hymenoides T. L. Secrest 1950-3-13 Riverside near Salton Sea Comment
  UCSB37774  Achnatherum speciosum Roos, John 1965-6-13 Riverside E of Hemet Comment
  POM96839  Achnatherum speciosum F. M. Reed 1926-5-8 5326 Riverside Rocky hill near [Good Hope] Mine. Comment
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May 1 2011
  CAS-BOT-BC384719  Achyronychia cooperi John Thomas Howell 1931-6-5 6655 Riverside 1 mile east of Whitewater Comment
  CAS-BOT-BC384722  Achyronychia cooperi S. B. Parish 1896-4-1 4139 Riverside Palm Springs, Colorado Desert Comment
  CLARK-A1528-914  Achyronychia cooperi Charlotte Stocks 1963-3-31 Riverside Coachella Comment
  RSA0121216  Achyronychia cooperi Duncan S. Bell, LeRoy Gross 2016-3-8 8835 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.5 air miles north of the Bradshaw Trail. 417 Comment
  SBBG1974  Achyronychia cooperi H. and M. Dearing 1931-12-26 217 Riverside near Indio Comment
  UCD84935  Achyronychia cooperi Chuck Hughes 2010-3-23 207 Riverside About 11.5 miles south of Highway 62, next to railroad tracks. 254 Comment
  CAS-BOT-BC204876  Acmispon argyraeus var. argyraeus Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  SDSU4340  Acmispon glaber S. J. Barnhart 1966-4-24 660424 -1 Riverside South-West facing slope of small hil 0.1 miles east of McAllister St. along the Metropolitan Water Co. utility road (dirt), which is 1.5 miles south-east of the intersection of McAllister St. and Victoria avenue. 457 Comment
  SD119935  Acmispon grandiflorus var. grandiflorus Louis B. Ziegler 1972-5-29 467 Riverside San Jacinto Mountains, west slope along Highway 74. 1341 Comment
  SD152860  Acmispon heermannii var. heermannii Steve Boyd, Tim Ross and Dave Bramlet 1993-5-12 7348 Riverside San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Tenaja Canyon. 366 Comment
  SBBG51125  Acmispon nevadensis var. davidsonii N. R. Zabriskie, W. Zabriskie 1973-4-6 628 Riverside Andreas Cyn 365 Comment
  UC1294021  Acourtia microcephala E. K. Balls 1958-6-27 23297 Riverside 6.9 mi nw from jct with Main Divide, by locked gate Indian Truck Trail; Santa Ana Mts. Comment
  SEINET13386988 Image available Acroptilon repens Mitch Provance 2013-1 613 -28 Riverside San Bernardino Valley: Riverside, S corner of North Main St. and Dublin Way. (San Bernardino South 7.5' Q.) 247 Comment
  JEPS34237  Adenophyllum porophylloides W. L. Jepson 1901-5-22 1408 Riverside Palm Canyon Comment
  JOTR36184  Adenophyllum porophylloides La Doux, Tasha, B. Truesdell, M. Wheeler 2013-10-31 3333 Riverside Joshua Tree National Park. Queen Mountain: near Split Rock, approx 0.5 km SE of Elton Mine 1330 Comment
  RSA775668  Adenophyllum porophylloides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 804 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  UCR153365  Adenostoma fasciculatum LeRoy Gross, Valerie Soza 2003-5-8 829 Riverside Peninsular Ranges; San Jacinto Mountains region, North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  UCR213505  Adenostoma fasciculatum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37809 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCR30527  Adenostoma fasciculatum John C. Roos 1952-5-26 5722 Riverside Haas' Ranch, Reche Canyon 457 Comment
  RSA650367  Adenostoma fasciculatum var. fasciculatum R. Garner 1974-8-28 s.n. Riverside San Jacinto Mountains. Comment
  UCR95944  Adenostoma sparsifolium Scott D. White 1996-8-1 4456 Riverside San Jacinto Mtns., Twin Pines area, just north of Twin Pines Road, c. 0.5 air mi. west of Twin Pines Ranch. 1143 Comment
  UCR94066  Agave deserti subsp. deserti Scott D. White, D. Haselfeld 1996-7-2 4253 Riverside San Jacinto/Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi east of junction with Hwy 371, west-facing slope of Sugarloaf Mountain and adjacent valley 1402 Comment
  UC55109  Agoseris grandiflora var. grandiflora H. M. Hall May 17 1901-Jun 1 1901 1916 Riverside 20 mi s Palm Springs; Palm Springs 1371 Comment
Read comments
May 2 2007
  UCSB6321  Agoseris retrorsa Keator, Glenn 1948-7-3 Riverside Hall Canyon, San Jacinto Mts. 1706 Comment
  UC489126  Agrostis exarata C. V. Meyer 1928-7-30 596 Riverside Saunder's Meadow San Jacinto Mountains, Saunder's Meadow 1676 Comment
  SD127984  Agrostis humilis Michael Curto 1989-8-6 601 Riverside San Jacinto Mountains, Fuller Ridge Trail. At springy north headwaters of Fuller Mill Creek. 2695 Comment
  UCR135837  Agrostis pallens A. C. Sanders 2004-4-20 27540 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
  UCR125292  Albizia julibrissin A. C. Sanders 2002-11-21 25635 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  UCSB37488  Alhagi maurorum Clark, Dell 1969-7-2 Riverside 2 miles west of Mecca, Coachella Valley Comment
  UCR49370  Allenrolfea occidentalis Theo Glenn 1984-10-15 s.n. Riverside Sonoran (Colorado) Desert, Whitewater River Delta at N end of Salton Sea Comment
  CAS-BOT-BC434481  Allionia incarnata Carl B. Wolf 1932-4-28 3073 Riverside Colorado Desert. Chuckwalla Valley. 20 mi. West of Blythe on the Mecca Road. 121 Comment
  RSA462624  Allionia incarnata Christopher Davidson, J. Jones 1980-4-4 9946 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  RSA644307  Allionia incarnata Ed LaRue 1993-4-28 s.n. Riverside Colorado Desert: Blythe Landfill, along Blythe-Midland Rd., 3 mi. S of the Big Maria Mtns., 6 mi. W of Colorado R. 121 Comment
  SD127567  Allium fimbriatum var. munzii Steve Boyd 1986-4-22 1781 Riverside Grassy area on clayey soil over cobble, shallow north-facing draw, just west of third powerline tower, north of summit. 840 Comment
  RSA802137  Allium haematochiton Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5012 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  UC1286988  Allium marvinii C. L. Hitchcock 1966-3-15 24154 Riverside 1 mi e Glen Ivy Hot Springs Comment
  UCR22054  Allium munzii Steve Boyd 1980-5-8 214 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  UCR22139  Allium munzii Steve Boyd 1980-5-17 289 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  UCR280619  Allium peninsulare var. peninsulare Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 08 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  UCR91459  Allium praecox Scott D. White 1995-3-30 2676 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  SD232283  Allophyllum Scott D. White, Michael Honer 2003-6-3 9486 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 334 Comment
  UCR193887  Allophyllum A. C. Sanders, Mitch Provance 2008-7-11 35772 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  UCR201633  Allophyllum divaricatum Scott D. White, Justin M. Wood 2008-6-18 12205 Riverside San Jacinto Mountains, hiking trail from K flat to Apple Canyon Road 1451 Comment
  UCR68844  Allophyllum glutinosum Steve Boyd, T. S. Ross 1990-5-11 4623 Riverside Agua Tibia Mountains, Cleveland National Forest, base of Agua Tibia Mtn, east of Dripping Springs campground, south of Hwy 79 671 Comment
  CAS-BOT-BC170127  Alnus rhombifolia Geo. B. Grant 1901-8-1 s.n. Riverside Strawberry Valley Comment
  UC815288  Alopecurus saccatus P. A. Munz and I. M. Johnston 1922-5-19 5376 Riverside Menifee Valley Comment
  UCR211464  Aloysia wrightii Tasha La Doux, Jim Andre 2008-9-13 264 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, upper Wilson Canyon on east side of paved highway 991 Comment
  UC2015571  Amaranthus albus Scott D. White 1995-6-30 3438 Riverside Murrieta area, W Riverside Co. (Santa Ana Mtn. foothills) Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence. Comment
  UCR110392  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23080 Riverside San Jacinto Mountains, 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
  UCR272486  Amaranthus deflexus Mitch Provance 2013-6-16 613- 18 Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren 226 Comment
  JOTR32421  Amaranthus fimbriatus Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 10 Riverside Joshua Tree National Park. Queen Mountains; Intersection of Park Blvd. and Pinto Basin road; Small rocky hills and surrounding drainages 1112 Comment
  POM306175  Amaranthus fimbriatus Henry J. Ramsey, Henrt J. Ramsey 1939-11-28 s.n. Riverside Indio-(20 mi. east) Comment
  UCR34995  Amaranthus fimbriatus L. B. Ziegler 1967-9-28 256 Riverside San Jacinto Mountains, Pinyon Flats 1250 Comment
  RSA661034  Amaranthus retroflexus A. C. Sanders, Mitch Provance 1999-9-26 23077 Riverside McMullen Flat ca. 1 km NW of Valley High County Park, ca. 1 km SE of Hwy 74 off (W of) Twin Pines Ranch Rd. 1195 Comment
  UCR174334  Amaranthus retroflexus A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23169 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  RSA188422  Ambrosia acanthicarpa L. S. Rose 1966-12-11 66094 Riverside Palm Springs. 152 Comment
  RSA314492  Ambrosia acanthicarpa R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55355 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA455874  Ambrosia confertiflora N. C. Cooper 1943-9-10 917 Riverside Banning. 610 Comment
  CAS-BOT-BC22607  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -334 Riverside Joshua Tree National Monument: about 6 mi S of Entrance to Cottonwood Springs Campground Comment
  HSC79252  Ambrosia dumosa G. K. Helmkamp 1984-5-2 - 17 Riverside Big Morongo Canyon, 3-3.5 mi. below the caretaker's house at the Big Morongo Preserve, Little San Bernardino Mtns. 550 Comment
  LA26697  Ambrosia dumosa William Shapeero; 1954-4-28 Riverside Joshua Tree National Monument Comment
  POM195887  Ambrosia dumosa Marcus E. Jones 1929-9-16 s.n. Riverside East of Desert Center. Comment
  RSA603806  Ambrosia dumosa L. C. Wheeler 1931-11-26 383 Riverside 2 mi. SE Salton Bench Mark, Colorado Desert. -61 Comment
  RSA766670  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-22 162 Riverside Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak. 213 Comment
  UC912554  Ambrosia dumosa H. L. Mason 1928-3-10 4217 Riverside Hidden Springs Canyon; Coachella Mts. Comment
  SEINET6738722 Image available Ambrosia dumosa H. M. Hall 1905-1 5907 Riverside Near Mule Springs Comment
  CLARK-A1528-1538  Ambrosia ilicifolia Edmund C. Jaeger 1946-12-29 3193 Riverside Chuckwalla Mountains 304 Comment
  SEINET238529 Image available Ambrosia psilostachya Mitch Provance 2000-1-8 1805 Riverside Jurupa Mountains: Jurupa Mountains Cultural Center 1/4 mile SE of peak 1411. 290 Comment
  RSA615546  Ambrosia pumila Fred M. Roberts 1997-6-29 5043 Riverside Warm Springs Valley: Nichols Road, 0.3 km by road W jct. I-15 near head of Walker Canyon, ca 2.8 km NW Lake Elsinore. 117 Comment
  SD138941  Ambrosia pumila Craig Reiser 1993-4-19 Riverside Beside Nichols Road about 400 yards west of Highway I-15 Comment
  UCR228833  Ambrosia pumila A. C. Sanders, T. B. Salvato 2011-4-27 39332 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
  CAS-BOT-BC273037  Ambrosia salsola Peter H. Raven 1958-1-24 11445 Riverside Desert alluvial fan of Fargo Canyon Comment
  LA203753  Ambrosia salsola F. R. Fosberg; 1932-3-13 8090 Riverside Coachella Valley, Thousand Palms Canyon Comment
  SDSU1715  Ambrosia salsola Joan Godsil 1953-3-20 579 Riverside Hwy to Twenty-nine alms; Joshua National Monument. 792 Comment
  SBBG92260  Ambrosia salsola var. salsola D. F. Howe 1980-4-15 Riverside Interstate 10, ca. 4 mi W of Mesa Verde, McCoy Mtns Comment
  UC897994  Ambrosia salsola var. salsola Lewis S. Rose 1936-12-19 36792 Riverside Palm Canyon Wash 121 Comment
  UC708746  Amorpha californica var. californica H. K. Wagnon 1944-5-25 395 Riverside by stream near entrance to Tahquitz Canyon; Palm Springs Comment
  UC718408  Amorpha californica var. californica Carl B. Wolf 1933-8-24 5380 Riverside 1/2 mi below summit of Bedford Motorway; E. Slope Santa Ana Mts. 975 Comment
  LA204907  Amorpha fruticosa Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  UC123741  Amorpha fruticosa Fred M. Reed 1904-6-12 599 Riverside above Chinatown ford; Santa Ana River Comment
  POM3931  Amsinckia intermedia I. M. Johnston 1918-5-30 876 Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  UCR172615  Amsinckia intermedia A. C. Sanders, John F. Green 2006-5-18 32371 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  SEINET12519081  Amsinckia intermedia Norman C. Cooper 1944-1 1025 Riverside Banning 701 Comment
  UC1228555  Amsinckia spectabilis C. L. Hitchcock, C. V. Muhlick 1962-3-16 22131 Riverside 8 mi se of Corona; Temescal Canyon Comment
  RSA778231  Amsinckia tessellata var. tessellata Duncan S. Bell 2009-3-8 36 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UC68763  Amsonia tomentosa H. M. Hall May, 1905 6007 Riverside Cottonwood Pass Colorado Desert, Cottonwood Pass 701 Comment
  RSA543905  Anagallis arvensis Steve Boyd, Orlando Mistretta 1991-5-22 6286 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UCR100026  Ancistrocarphus filagineus A. C. Sanders, G. Helmkamp 1997-3-15 19999 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  RSA500988A  Ancistrocarphus filagineus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3107 A Riverside Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 miles WSW of dam. 610 Comment
  UCD56048  Andropogon glomeratus Lewis S. Rose 1945-12-23 45298 Riverside Colorado Desert, Palm Springs. 137 Comment
  UCR23921  Andropogon glomeratus John C. Roos 1938-12-29 322 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon Comment
  SEINET7594989 Image available Andropogon glomeratus Mary F. Spencer 1921-1 1693 Riverside San Jacinto, Near San Jacinto Comment
  CAS-BOT-BC400334  Anemopsis californica A. J. Mc. 1892-4-22 s.n. Riverside Elsinore Comment
  SEINET6810127  Anisocoma Unknown 1997-3-16 Riverside 22 air miles SE of Palm Springs; Palm Springs; 22 air miles SE of Comment
  RSA660484  Anthemis cotula A. C. Sanders 1998-5-21 21869 Riverside Hemet: alkaline flats west of town, along Stetson Ave. W of Warren Rd. 457 Comment
  UCR159768  Anthemis cotula Scott D. White 1999-5-20 7375 Riverside Peninsular Ranges: Perris-Aguanga Basin region, Perris Basin: Perris / Sun City area. Ethanac Rd., c. 1 mi west of I-215 freeway 442 Comment
  CDA5344  Anthriscus caucalis A. C. Sanders, Seung-Chul Kim 2005-5-7 30072 Riverside Peninsular Range, Agua Tibia Mountains; UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank Comment
  RSA182339  Antirrhinum coulterianum J. D. Olmsted 1962-5-1 3429 Riverside NE slope just west of top of highest Southern California waterfall; 1/4 miles. SE of Falls Plateau, Snow Canyon N of Mt. San Jacinto Comment
Read comments
Nov 24 2011
  RSA500209  Antirrhinum coulterianum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3534 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  CLARK-A1528-4162  Antirrhinum filipes John C. Roos 1947-2-15 3238 Riverside Comment
  SEINET270927 Image available Antirrhinum filipes Richard J. Shaw 1096 Riverside Joshua Tree National Monument ; Rare in Octillo Garden between White Tank and South Entrance. Comment
Read comments
May 13 2016
  UCR214311  Antirrhinum nuttallianum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38404 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  RSA501015  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3134 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  RSA525410  Apiastrum angustifolium Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4518 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  RSA699817  Apiastrum angustifolium Scott D. White, Michael Honer 2003-4-4 8946 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  SBBG119936  Apiastrum angustifolium C. McGaugh 2003-5-10 Riverside French Valley "Greenway site" along Tucalota Crk, ca. 1 mi E of Murrieta Hot Springs 396 Comment
  SEINET8665940 Image available Apiastrum angustifolium Scott D. White 2006-4-28 11317 Riverside Elsinore Basin; Wildomar, east of the I-15 Fwy and north of Baxter Road. South and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills 427 Comment
  RSA768577  Apium graveolens Justin M. Wood 2010-5-19 1846 Riverside Santa Ana River: +/- 1.4 miles downstream of Prado dam outlet, just NW of Green River Housing Estate. 131 Comment
  UCSB4906  Apocynum androsaemifolium Kamb, Peter 1948-7-11 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  SD144082  Apocynum cannabinum G. Ballmer, K. Stockwell 1996-6-1 Riverside E of Murrieta: Warm Springs Creek ca. I(c) way between Murrieta Hot Springs Rd. and Los Alamos Rd. 366 Comment
  RSA27439  Arabis perennans C. L. Hitchcock 1940-4-5 5966 Riverside Ciffs above Cottonwood Springs Comment
  RSA66508  Arabis perennans F. W. Peirson 1922-4-10 2869 Riverside Murray Canyon near Palm Springs. 610 Comment
  UCR120302  Araujia sericifera Mitch Provance 1997-7-3 1105 Riverside City of Riverside, N side Riverside Community College, just east of Magnolia Ave. 244 Comment
  SEINET3093971 Image available Arbutus menziesii Mackell Kohn 1959-2-26 Riverside 300 yds. So. on road running behind C. E. S. administration bld. U. C. R. campus. Comment
  POM48870  Arceuthobium campylopodum Philip A. Munz, I. M. Johnston 1924-6-26 8705 Riverside Near Dark Canyon. 1524 Comment
  RSA629379  Arctostaphylos glandulosa Jon E. Keeley 1992-4-17 15087 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA629463  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16812 Riverside Rd. to Thomas Mtn. (5S15), 9.5 km north of Toolbox Spring. 1640 Comment
  UCR273500  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42600 Riverside Peninsular Range; Santa Ana Mountains, south side of South Main Divide Road, SE of Morgan Trailhead into San Mateo Wilderness, 0.17 km NE (46 deg. ) of Lion Spring 872 Comment
  UCR277896  Arctostaphylos glandulosa A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42674 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, along Tenaja Rd. at north foot of Redonda Mesa, 0.65 km west of intersection with Corona Calle Camino 680 Comment
  RSA629387  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-4-17 15088 Riverside End of Woodchuck Rd., Woodchuck Resort. 2 km south of Hwy 79 (Vail Lake Quadrangle) 204 Comment
  CAS-BOT-BC24673  Arctostaphylos glauca C. B. Wolf 1932-2-11 2649 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. w. of Corona, base of Skyline Drive. 405 Comment
  RSA229326  Arctostaphylos glauca F. C. Vasek, J. F. Clovis 1971-4-28 1743 Riverside Little San Bernardino Mts., Joshua Tree National Monument; Ridge and coves one mile east of Juniper Flats 1463 Comment
  RSA592674  Arctostaphylos glauca Scott D. White, D. Haselfeld 1996-7-2 4251 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
  RSA6124  Arctostaphylos glauca C. B. Wolf 1932-5-25 3695 Riverside One half-mile southwest of summit of Moreno Grade, Bad Lands, southwest of Beaumont 610 Comment
  RSA631739  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19282 Riverside Highway 79, 2 km west of Radec. 550 Comment
  RSA631742  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16509 Riverside Barranca Road, west of De Portola Road, east side of Black Mountain, east of Lake Skinner. 725 Comment
  RSA631761  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15069 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631799  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19570 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  RSA631826  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16611 Riverside Road to Santa Rosa Mtn. (7S02), 0.5 km south of Hwy 74. 1475 Comment
  RSA631837  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15063 Riverside Highway 79, 3 km east of Temecula Creek. 550 Comment
  UC1929341  Arctostaphylos glauca Scott D. White, Angelia Carey 2004-7-2 10584 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. Comment
  UCR94266  Arctostaphylos glauca Scott D. White 1996-4-14 3922 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  RSA633612  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21768 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633683  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21775 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  UCR187498  Arctostaphylos pringlei Theresa Johnson 2006-7-26 249 Riverside Peninsular Range; San Jacinto Mtns., Hwy 243 at Pine Cove 1890 Comment
  CAS-BOT-BC44363  Arctostaphylos pringlei subsp. drupacea Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idylwild Comment
  RSA635656  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16640 Riverside Road to Santa Rosa Mtn. (7S02), 3.7 km south of Hwy 74. 1610 Comment
  SBBG5417  Arctostaphylos pringlei subsp. drupacea H. and M. Dearing 1937-11-27 1283 Riverside Santa Rosa Mtn Comment
  UC748985  Arctostaphylos pringlei subsp. drupacea Susan Delano McKelvey 1936-3-16 5083 Riverside Palms to Pines Hwy San Jacinto Mts. 1371 Comment
  UCR135826  Arctostaphylos pringlei subsp. drupacea Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9013 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  RSA635781  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16530 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  RSA635803  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16541 Riverside Red Mountain Road, 6-6.8 km east of R3. 1015 Comment
  SD113847  Arctostaphylos pungens Darley F. Howe 1969-5-15 4587 Riverside Santa Rosa Mtns., on Hwy 74, 5 mi E of junction with Hwy 71 1435 Comment
  UCD53750  Arctostaphylos pungens John Thomas Howell 1960-3-24 35149 Riverside Keene Camp Summit; Pines to Palms Hwy.; San Jacinto Mts. 1493 Comment
  UCR208229  Arctostaphylos pungens C. B. Wolf 1931-5-11 1953 Riverside San Jacinto Mtns., near Pipe Creek, above Hemet Valley 1677 Comment
  UCSB4762  Arctostaphylos pungens Kamb, Peter 1948-7-4 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  RSA575903  Arctostaphylos rainbowensis Steve Boyd 1994-10-14 8380 Riverside Southern Santa Ana Mountains, San Mateo Cantyon Wilderness area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon. Fisherman's Camp. 462 Comment
  CLARK-A1528-5812  Argemone corymbosa John C. Roos 1949-4-11 4245 Riverside Hayfield Comment
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Jan 28 2019
  UC68528  Argemone munita H. M. Hall Apr 1905 5970 Riverside Colorado Desert, Chuckawalla Mountains Chuckawalla Mountains; Colorado Desert, Chuckawalla Mountains Comment
  UCR102939  Argemone munita George K. Helmkamp 1998-4-4 3182 Riverside Sonoran (Colorado) Desert, 2.3 mi. north of Hwy I-10 on Eagle Mtn Rd. 274 Comment
  RSA517248  Aristida adscensionis Steve Boyd, Thomas S. Elias, Kirsten Winter 1986-2-18 1313 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  UCR139363  Aristida adscensionis I. M. Johnston 1918-4-27 1861 Riverside Santa Ana Mtns. Region, Temescal Canyon 366 Comment
  UCSB52573  Aristida adscensionis Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon; Whittaker transect #W-217 173 Comment
  SEINET10467837  Aristida adscensionis David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-14 Dunn 3749 Riverside Grass. Found growing in a wash. Indio hills, colorado desert. Near pushawalla. Comment
  RSA385010  Aristida adscensionis var. modesta Christopher Davidson, J. Jones 1980-4-4 9950 Riverside West end of the Orocopia Mountains in a small canyon and wash almost due south of Oro Peak., Approx. 33 deg 37'N, 115 deg 53'W. Comment
  SEINET244313 Image available Aristida hamulosa A. C. Sanders, T. B. Salvato 2001-5-16 24301 Riverside Perris-Aguanga Basin; S of Hemet, 1/4 mi. S of Gibbel Rd. about 1 mi E of State St., foothills forming east end of Diamond Valley, 1 mi SSE of Hemet Butte, S of mouth of Avery Cyn. 518 Comment
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Jul 14 2014
  RSA0026168  Aristida oligantha Marc Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17715 Riverside Palo Verde Mesa, 14 kilometers SW of Blythe, 5 kilometers ENE of north end of Mule Mountains. Comment
  RSA746807  Aristida purpurea Michael Honer 2003-7-15 1845 Riverside Rainbow area, just north of the San Diego County boundary and west of the I-15 Freeway. 366 Comment
  UCR279365  Aristida purpurea A. C. Sanders, Jim Malusa 2017-3-24 42981 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 701 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
  UCR196387  Aristida purpurea var. purpurea Naomi Fraga, Lisa Rojas 2005-2-10 1417 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  UC815792  Aristida purpurea var. wrightii C. L. Hitchcock 1940-3-30 5871 Riverside Cottonwood Spring Comment
  CAS-BOT-BC90190  Artemisia californica A. M. White 1974-6-4 1409 Riverside Indian Road ca. 15 mi. W. of Sun City 1219 Comment
  SD137913  Artemisia californica Darin L. Banks, Steve Boyd 1995-10-17 766 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco. 515 Comment
  UC53930  Artemisia californica E. A. Zumbro 1902-10-1 365 Riverside Riverside Comment
  UCR277729  Artemisia dracunculus Mitch Provance 2012-10-15 1012- 06 Riverside Badlands of Western Riverside County, San Timoteo Creek, about 3.5 miles west of Beaumont, N side of Hwy. 60 1479 Comment
  SEINET269257  Artemisia ludoviciana M. A. Patten, S. J. Myers 1993-8-20 Riverside Along Tahquitz Creek and in neighboring creosote scrub behind the debris basin dam in Palm Springs 183 Comment
  UCR121137  Artemisia tridentata June Latting 1972-10-27 s.n. Riverside San Jacinto Mountains, San Jacinto River canyon [near Strawberry Creek confluence] along Hwy-74 between Hemet and Mountain Center 1220 Comment
  UCR138556  Artemisia tridentata Steve Boyd, D. E. Bramlet 1988-10-8 2877 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  JOTR36089  Asclepias albicans La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3316 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  SD245239  Asclepias eriocarpa R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49540 Riverside Santa Ana Mountainss: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso. Comment
  UCR202581  Asclepias eriocarpa Scott D. White, Justin M. Wood 2008-7-8 12384 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  UCR4503  Asclepias erosa John Dean 1965-7-28 s.n. Riverside Sonoran (Colorado) Desert, 15 mi. west of Blythe on U.S. Hwy 60 274 Comment
  CLARK-A1528-125  Asclepias subulata Charlotte Stocks 1963-5-2 Riverside Comment
  UCR24401  Aster alpigenus John C. Roos 1937-8-18 2539 Riverside San Jacinto Mountains, Taquitz Valley 2500 Comment
  RSA417631  Aster bernardinus Albert J. Perkins 1916-4-14 s.n. Riverside Idylwild Comment
  UCR46723  Aster bernardinus B. G. Pitzer, D. C. Hawks 1986-12-2 0364 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  RSA606240  Aster pauciflorus R. S. Woglum 1937-5-22 523 Riverside Temecula. Comment
  RSA415777  Astragalus aridus M. B. Dunkle 1934-3-18 3856 Riverside Shavers Valley. Mecca Hills. W. of Shaver's Well. 91 Comment
  RSA45536  Astragalus aridus J. C. Roos 1949-3-26 4117 Riverside Coachella Valley, Indio. Comment
  UCR134604  Astragalus aridus Marisa Sripracha, Kyle Boyd 2004-2-14 027 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  CAS-BOT-BC177717  Astragalus crotalariae Peter H. Raven 1958-1-25 11484 Riverside Salton Sea State Park, 10.5 miles south of Mecca, on east side of Salton Sea Comment
  SBBG3168  Astragalus crotalariae H. and M. Dearing 1949-12-3 4065 Riverside NE end of Salton Sea Comment
  UCR144403  Astragalus didymocarpus var. didymocarpus Scott D. White 2001-4-19 8383 Riverside Perris-Aguanga Basin, Perris / Sun City area. Just east of Goetz Road and south of Ethanac Road, c. 1.5 - 2.0 mi west of Interstate 215 473 Comment
  CAS-BOT-BC178436  Astragalus douglasii var. parishii E. A. McGregor 1943-6-12 20 Riverside Idyllwild, San Gabriel Mountains Comment
  RSA90215  Astragalus filipes F. W. Peirson 1922-5-20 3341 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  CAS-BOT-BC187110  Astragalus lentiginosus var. borreganus Marian L. Campbell 1921-3-21 18 Riverside Palm Springs road to Banning Comment
  CAS-BOT-BC187172  Astragalus lentiginosus var. fremontii Annie M. Alexander; Louise Kellogg 1941-5-4 2112 Riverside Joshua Tree National Monument 1249 Comment
  UC667327  Astragalus nuttallianus var. cedrosensis Annie M. Alexander and Louise Kellogg 1941-5-6 2126 Riverside 13 mi sw 29 Palms (Joshua Tree National Monument); Joshua Tree National Monument 1371 Comment
  SD129318  Astragalus pachypus var. jaegeri Ed LaRue 1989-5-17 Riverside Hills east of Beaumont, along Potrero Creek, 0.5 mile east of old San Jacinto Nuevo Y Potrero land grant. 700 Comment
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Nov 8 2020
  UCR58485  Astragalus pachypus var. jaegeri 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
  CDA26729  Astragalus palmeri T. C. Fuller 1963-4-23 10291 Riverside Sac Jacinto Mountains; Highway 47 to Palm Desert just east of Pinyon Flat. 0 Comment
  SBBG3264  Astragalus palmeri H. and M. Dearing 1936-12-26 837 Riverside Palms to Pines Hwy 1219 Comment
  PASA2745  Astragalus pomonensis Frank W. Peirson 1920-6-6 7696 Riverside Dripping Spring, Temecula River 457 Comment
  RSA587543  Astragalus pomonensis D. L. Banks, S. D. Boyd 1995-6-2 0579 Riverside NW Palomar Mountains; Agua Tibia Mountains; NE of the Dorland Mountain area, N of the Agua Tibia Wilderness Area, E of Kolb Creek; Approximately 100 m E of the junction between the Woodchuck Road and Highway 79. 512 Comment
  SEINET3132645  Astragalus pomonensis R. W. Spellenberg, D. Jackson 1972-5-19 2821 Riverside Road to Teneja Guard Station, 8.0 mi SE of station, 7.6 mi NW of Murieta Comment
  UC1409125  Astragalus pomonensis Robert F. Thorne and Earl Lathrop 1969-6-6 39336 Riverside Rancho California , Rancho California (Santa Rosa Plateau) 609 Comment
  UCD105192  Astragalus pomonensis A. C. Sanders; Mark Elvin, M. S. Enright 2002-4-16 24964 Riverside The Badlands: Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont. 548 Comment
  UCR25858  Astragalus tricarinatus John C. Roos 1949-4-2 4131 Riverside San Bernardino Mtns., near Whitewater 692 Comment
  UCR234287  Athysanus pusillus A. C. Sanders, John F. Green 2012-3-26 40001 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, mouth of a small canyon between Horsethief Canyon and I-15 Fwy crossing of Temescal Wash, west of Hostettler Rd. 369 Comment
  SEINET2044653 Image available Atrichoseris platyphylla B. Pitzer 1988-3-10 648 Riverside West side of Chuckwalla Mountains, on gas line road ca. 1.5 miles N of intersection with Red Cloud Mine Rd. (& wash); ca. 2 miles (airline) S of Hwy I-10. 488 Comment
  SEINET7239536 Image available Atrichoseris platyphylla H. M. Hall 1905-5-12 6033 Riverside Near Virginia Dale (McGraith's camp near county line). Comment
  SEINET3930042  Atriplex argentea var. mohavensis Steve Boyd 1985-8-7 1117 Riverside Murrieta area, Clinton Kieth Rd., just east of the Bear Creek development golfcourse.; 0 Comment
  POM13060  Atriplex canescens E. C. Jaeger 1921-7-15 s.n. Riverside Soboba Hot Springs Comment
  POM278726  Atriplex canescens Grant D. Brown 1950-12-2 591 Riverside Mockingbird Canyon, about 4 miles up the canyon 412 Comment
  SD212554  Atriplex canescens A. C. Sanders, J. Andre, et al. 2005-2-26 29128 Riverside Sonoran Desert; southeast of Highway 177 toward dunes above Palen Dry Lake, southeast end of Coxcomb Mountains. 167 Comment
  SEINET269097  Atriplex canescens Scott D. White 1995-8-23 3590 Riverside San Jacinto River wash, just N of Florida Ave. (City of Hemet) near intersection w/ Schultz. USGS Blackburn Cyn 550 Comment
  UC538043  Atriplex canescens W. M. Ingram October 1934 Riverside Edom Comment
  UC850756  Atriplex canescens Carl B. Wolf 1932-10-13 4305 Riverside Cottonwood Springs Colorado Desert, , Cottonwood Springs (Eagle Mts.) 289 Comment
  CAS-BOT-BC170211  Atriplex canescens subsp. canescens Joseph Andorfer Ewan 1931-10-3 5227 Riverside Mockingbird Canyon near Arlington Comment
  RSA5452  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
  UCR66970  Atriplex coronata var. notatior D. E. Bramlet 1990-7-20 2050 Riverside 2.3 km south of Perris, just east of Perris Valley Airport, c. 400 m east of N part of runway; c. 500 m south of Case Road. 433 Comment
  UCR112392  Atriplex davidsonii A. C. Sanders, K. C. Rose 1998-5-21 21850 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 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
  RSA0025294  Atriplex elegans var. elegans R. E. Riefner Jr. 2013-8-17 13 -190 Riverside City of Lake Elsinore, along Collier St. and Hwy 74 S to Temescal Wash. 393 Comment
  UCR203887  Atriplex glauca R. E. Riefner Jr. 2006-2-20 06- 29 Riverside city of Corona, along Magnolia Ave. off-ramp on southwest side of Hwy I-15 216 Comment
  SEINET4135315  Atriplex linearis Stewart C. Sanderson 1993-11-18 93 -040 Riverside Mile 6, CA 11, Salton Sea, beaches turnoff.; 0 Comment
  JEPS90677  Atriplex pacifica D. Bramlet 1991-5-8 2132 Riverside 5.8 km w of Hemet (some 330 m sw of intersection of Florida and Warren, some 8 m w of Warren Road, across from Auto Boulevard) 500 Comment
  SBBG81109  Atriplex serenana var. serenana S. Cantrell, W. Appleby 1985-9-19 Riverside Santa Ana River Regional Park, S side of river 207 Comment
  UCR267435  Atriplex serenana var. serenana D. E. Bramlet 2005-7-27 3907 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, west of Hemet, canal alignment, north of Devonshire Ave., west of Warren Rd. 460 Comment
  RSA0038512  Atriplex suberecta R. E. Riefner Jr. 2012-3-31 12 -64 Riverside city of Hemet, north of Florida Avenue and south of West Devonshire Avenue and east of Meyers Street 462 Comment
  UCR114340  Atriplex triangularis Mitch Provance, S. D. Boyd 1999-9-14 1781 Riverside Riverside, Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  UCR120922  Avena barbata A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24922 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR41328  Avena barbata N. M. Fellows 1984-3-20 13 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mtns, 1 mi west of Snow Creek Village 488 Comment
  UCR98480  Avena barbata B. G. Pitzer 1997-4-1 3045 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  UCR5213  Ayenia compacta J. Olmstead 1966-4-1 s.n. Riverside Santa Rosa Mtns., trail from Hwy. 74 to Deep Canyon bottom 1098 Comment
  CLARK-A1528-5226  Baccharis brachyphylla John C. Roos 1949-9-17 4659 Riverside Whitewater Wash 548 Comment
  RSA664941  Baccharis brachyphylla J. C. Roos 1963-10-19 s.n. Riverside San Bernardino Mtns. Whitewater Wash near Painted Hill. 581 Comment
  IRVC18891  Baccharis emoryi Karlin G. Marsh 1981-11-11 3 Riverside Blythe: north of Mayflower County Park, 5 miles north of I-10, along irrigation ditch into Colorado River. Sonoran Desert Comment
  IRVC528  Baccharis glutinosa C. Duncan 1965-3-7 s.n. Riverside Ortega Highway [near the crest], El Carriso Guard Station Santa Ana Mountains Comment
  SDSU21799  Baccharis glutinosa Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3990 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  LA203013  Baccharis salicifolia K. Watkins; Elizabeth McClintock 1937-4-10 sn Riverside Palms-to-Pines Highway, 2 mi. above valley Comment
  RSA314408  Baccharis salicifolia R. F. Thorne 1982-10-8 55353 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA652565  Baccharis salicifolia Don Fells 1948-2-15 s.n. Riverside 1/3 mile SE from 6th and California, Norco. 228 Comment
  SBBG101771  Baccharis salicifolia S. Boyd with T. Ross 1991-6-14 6400 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  SD224825  Baccharis salicifolia A. C. Sanders, S. Hawkins, J. Goetzen & D. Freeman 1996-5-1 18109 Riverside San Bernadino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats. 1096 Comment
  UCR21852  Baccharis salicifolia Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  CAS-BOT-BC106671  Baccharis salicina I. M. Johnston 1917-12-1 1811 Riverside Chino Creek south of Ontario 152 Comment
  UC472157  Baccharis salicina J. Ewan 1931-10-3 5216 Riverside 4 mi nw of Corona; Santa Ana River Comment
  UCR182504  Baccharis salicina Mitch Provance 2003-7-4 4635 B Riverside San Bernardino Valley, Riverside, Along Jackson St., between Audrey and Colorado Aves. 226 Comment
  IRVC508  Baccharis sergiloides R. H. Whittaker, W. A. Niering 1963-6-7 SJ 283 Riverside slope SE-5o wash, sand alluvial soil. 1037 Comment
  JOTR35422  Baccharis sergiloides La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3098 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring 914 Comment
  RSA645608  Baccharis sergiloides Scott D. White, Steve Ogg 1994-4-21 1963 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  SD40771  Baccharis sergiloides Carl B. Wolf 1932-10-11 1594 Riverside Morongo Wash, 0.3 mile below San Bernardino County Line, Colorado Desert 669 Comment
  UC1303134  Baccharis sergiloides Carl B. Wolf 1932-10-12 4298 Riverside Pinyon Wells Little San Bernardino Mts., Conchilla Mts. 1219 Comment
  UCR109457  Baccharis sergiloides A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19660 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, east of VAMB Captain 534 Comment
  UCR245792  Baccharis sergiloides A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40954 Riverside Peninsular Range, Wilson Valley Preserve, 0.35 air mi. south of Wilson Valley Rd. and 0.8 mi. east of Sage Rd., 1.4 mi. east (93 deg. ) of Round Top Mountain 739 Comment
  JEPS81870  Bacopa monnieri Brad Ballen, J. L. Johnson, G. D. Barbe 1983-1-24 4035 Riverside NE of Rancho Mirage (Desert Island Country Club) Comment
  CAS-BOT-BC295889  Bahiopsis parishii Lewis S. Rose 1966-12-14 66104 Riverside Chino Canyon, 3 mi. w. of Palm Springs Desert 670 Comment
  CAS-BOT-BC295906  Bahiopsis parishii C. L. Hitchcock 1940-3-30 5873 Riverside Cottonwood Spring Comment
  POM47795  Bahiopsis parishii Mary F. Spencer 1918-4-5 778 Riverside Palm Springs 137 Comment
  RSA700064  Bahiopsis parishii Scott D. White, Michael Honer 2003-4-25 9095 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
  SBBG22834  Bahiopsis parishii D. Myrick 1965-3-4 1078 Riverside Palms to Pines St Hwy 74 609 Comment
  CLARK-A1656-656  Baileya pauciradiata Lois Ann Scott 1978-2-3 Riverside Indio Hills 609 Comment
  IRVC27465  Baileya pauciradiata Helen Kennedy, Fred R. Ganders 1980-4-15 4065 Riverside along [Box Canyon] road between Mecca and Hwy. 10 Colorado Desert 100 Comment
  JEPS34669  Baileya pauciradiata W. L. Jepson and W. C. Mathews 1914-5-23 6048 Riverside Colorado Desert, Conchilla Desert 60 Comment
  SBBG65722  Baileya pauciradiata Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  UCR16888  Baileya pauciradiata S. Nelson 1974-4-13 s.n. Riverside Sonoran (Colorado) Desert, [Coachella Valley] 2 mi north of U.S. Highway 10 on Washington St. 153 Comment
  SD178134  Bebbia juncea var. aspera A. C. Sanders 2004-5-12 27891 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. Solitary shrub beside sandy wash at foot of hills, dry open area. 377 Comment
  CLARK-A1528-100  Beloperone californica Charlotte Stocks 1964-9-11 Riverside La Quinta Comment
  CLARK-A1528-99  Beloperone californica unknown 1964-5-11 Riverside La Quinta Comment
  RSA0120035  Beloperone californica I. M. Johnston 1917-4-4 s.n. Riverside Near Palm Springs. Comment
  RSA125251  Berberis haematocarpa E. K. Balls 1957-11-19 22822 Riverside Grown in Botanic Garden, alt. 1300 ft., from seed collected Aug. 20, 1957, by E. K. Balls & P. C. Everett, 6.6 mi. sw. along State Hwy 74 from Palm Village (jct. with State Hwy 111), Riverside Co. 396 Comment
  CAS-BOT-BC75738  Berberis nevinii Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4074 Riverside Vail Lake area, upper benches and adjacent slopes of the east flank of 'Big' Oak Mountain, just south of the east summit 701 Comment
  SD148179  Bergia texana D. E. Bramlet, A. C. Sanders, et al. 1999-10-15 2819 Riverside 198 meters south of Gilman Hot Springs Road, 1.22 km northwest of Highway 79 and 2.1 km south of Jackrabbit trail. 433 Comment
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Mar 21 2011
  CLARK-A1528-2687  Bernardia incana John C. Roos 1946-9-14 3024 Riverside San Jacinto Mountains Comment
  RSA621893  Berula erecta Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3555 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  UCR23741  Bidens pilosa John C. Roos 1965-8-18 s.n. Riverside In Corona Comment
  CSUSB941  Bloomeria crocea Mark Eutenier 1973-5-30 730530 4 Riverside Box Springs Road, side canyon running east-west from main canyon 50 yards north of tower and Big "C", 50 yards east of main canyon 5 feet up north facing slope. 548 Comment
  POM251754  Boerhavia J. C. Roos 1937-8-20 12 Riverside East of Desert Center. Comment
  SD186257  Boerhavia coccinea T. B. Salvato, Melissa Clemons 2005-6-23 1310 Riverside Temescal Valley, 3.0 miles northwest of Alberhill, Temescal Canyon Road at Corona Lake. 353 Comment
  UCR272129  Boerhavia coulteri Duncan S. Bell 2015-9-30 8681 Riverside Santa Rosa Mountains, Little Pinyon Flat, from Cactus Spring Trail to Horsethief Creek 1246 Comment
  RSA0049952  Boerhavia intermedia A. C. Sanders, T. B. Salvato 2012-10-12 40419 Riverside Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction. 114 Comment
  JOTR30815  Boerhavia triquetra La Doux, Tasha, Jim Andre 2008-9-16 336 Riverside Joshua Tree National Park. along Bell Mountain Rd. atop Bell Mountain, approximately 0.3 miles north of radio tower. Queen Mountain USGS 7.5 min quad Near 34 00.35' N 116 00.017' W 1358 Comment
  UCD170384  Bolboschoenus maritimus subsp. paludosus Mitch Provance 2012-11-3 1112- 05 Riverside San Timoteo Canyon: West Beaumont, N side of Oak Valley Parkway (San Timoteo Canyon Rd.), 1.5 miles W of I-10. 709 Comment
  UCR20797  Bolboschoenus maritimus subsp. paludosus A. C. Sanders, S. D. Boyd 1980-5-19 1473 Riverside Perris-Aguanga Basin, upper edge of Lake San Jacinto near Quail Lake Golf Course. Gilman Springs Road c. 1.5 mi northwest of Jackrabbit Trail. 442 Comment
  RSA129300  Bothriochloa barbinodis A. Lewis 1934-04 375 Riverside Tin Mine Canyon. 457 Comment
  CAS-BOT-BC145587  Bouteloua aristidoides J. C. Roos 1965-9-5 s.n. Riverside Desert Center. Comment
  CAS-BOT-BC540737  Bouteloua barbata Sarah J. De Groot; Amy Rouillard 2015-9-15 7567 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  RSA773657  Bouteloua barbata Duncan S. Bell, J. D. England 2010-10-5 1976 Riverside San Bernardino National Forest: Garner Valley, approximately 2.6 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1387 Comment
  SD239519  Bouteloua barbata A. C. Sanders 2011-9-15 39892 Riverside Sonoran (Colorado) Desert: Coachella Valley, agricultural area in Thermal; Colorama greenhouses/nursery at 83300 Ave 58, 0.35 mi. east of Jackson St. near Calhoun St. (Indio 7.5'Q) -24 Comment
  UC576358  Bouteloua barbata var. barbata H. S. Yates 1937-6-28 6732 Riverside Palm Springs San Jacinto Quadrangle 137 Comment
  SD232160  Bowlesia incana Scott D. White, Justin M. Wood 2008-7-9 12423 Riverside San Jactino Mountains: K Flat, from large pond downstream to meadow. 2341 Comment
  SEINET3081272 Image available Bowlesia incana David C. Hawks, G. Bruyea 1987-4-3 Riverside Peninsular Range; Gaylord property, NW of Aguanga 550 Comment
  UCR260604  Bowlesia incana A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41542 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns., Temescal Canyon, south side of Indian Truck Trail along Temescal Canyon Road 349 Comment
  RSA305948  Brandegea bigelovii Fay A. MacFadden 1940-3-17 15295 Riverside Rd from Twentynine Palms to Indio, about half way, San Bernardino Mts. Comment
  UC1551917  Brandegea bigelovii David Charlton 1988-2-19 1170 Riverside n of Mecca Hills (on road between Cottonwood Wash and Mecca, near Mecca, Colorado Desert Wash Community, Orocopia Mountains, Box Canyon); Orocopia Mountains, Box Canyon 457 Comment
  SEINET8550766  Brandegea bigelovii R. H. Peebles, H. F. Loomis 1930-4-6 121 Riverside Shaver's Well. Comment
  RSA613325  Brassica rapa D. L. Banks 1997-3-1 1389 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  JOTR33999  Brassica tournefortii La Doux, Tasha, M. Harding 2010-4-7 2887 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
  RSA674570  Brassica tournefortii Scott D. White 2000-5-3 7765 Riverside Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly S of Red Hawk subdivision. 351 Comment
  RSA708054  Brassica tournefortii Scott D. White, Angelia Carey 2004-4-16 10171 Riverside Indian Creek and adjacent slopes. 549 Comment
  RSA709905  Brassica tournefortii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4610 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA778626  Brassica tournefortii Duncan S. Bell 2009-3-8 67 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  UC1922426  Brassica tournefortii Naomi Fraga, Lisa Rojas 2005-2-10 1372 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  JOTR37468  Brickellia atractyloides var. arguta Hodges, Stephen, T. Green 2016-5-5 590 Riverside Joshua Tree National Park. Little San Bernardino Mountains; canyons below Upper Covington Flats, southwest of Covington Crest trail (Stop 2) Comment
  CLARK-A1528-1669  Brickellia desertorum John C. Roos 1950-9-30 4994 Riverside Box Springs Mountains 457 Comment
  RSA89894  Brickellia desertorum J. C. Roos, L. Roos 1950-10-28 5020 Riverside N base Mt. Russell, 1 mi SE of Moreno. 550 Comment
  RSA89966  Brickellia desertorum J. C. Roos 1950-10-15 5009 Riverside San Bernardino Mtns. Dry Morongo Canyon, c. l mi south of Riverside-San Bernardino county line. 612 Comment
  UCR25198  Brickellia desertorum John C. Roos 1950-11-25 5026 Riverside N end Perris Blvd, Sunnymead 612 Comment
  SEINET2055878  Brickellia lemmonii G. K. Helmkamp, E. A. Helmkamp 2000-9-13 6037 Riverside Chiricahua Mins; Pinery Cyn. 3.0 mi SE of Hwy AZ 181 1737 Comment
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May 3 2014
  SD68963  Brodiaea filifolia Robert F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37586 Riverside Santa Rosa Plateau, vernally moist, grassy margin of vernal marsh on Mesa de Colorado, Rancho California. 671 Comment
  UCR50784  Brodiaea santarosae S. J. Myers 1988-5-17 s.n. Riverside Santa Rosa Springs Ranch, 0.25 mi west of the N end of Mesa de Burro, west of the town of Murrieta Comment
  RSA343861  Brodiaea terrestris subsp. kernensis Robert F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60643 Riverside Santa Rosa Plateau: Mesa de Colorado 625 Comment
  UCR104641  Brodiaea terrestris subsp. kernensis D. E. Bramlet 1993-5-4 2336 Riverside Peninsular Range; Gavilan Hills area, Monument Peak Valley. 762 m NW of Monument Peak and 76 m north of the E-W tending dirt road that is between Black Rocks and Monument Peak. 1.2 km SW of the 'bend' (Sec.17) area of Cajalco Rd. 488 Comment
  POM10228  Bromus berteroanus F. M. Reed 1906-3-17 923 Riverside Mouth of South Fork of Arroyo Tequesquite. Comment
  RSA0037319  Bromus carinatus John F. Emmel 1993-5-30 1263 Riverside San Jacinto Mts.; along Pacific Crest Trail 0.3-0.6 mile SE of Fobes Saddle. 1859 Comment
  UCR101435  Bromus diandrus A. C. Sanders 1997-3-19 20049 Riverside Lake Skinner area, lower S slopes of Bachelor Mtn., near old quarries 473 Comment
  UCR147663  Bromus diandrus Steve Boyd, Aydee Virgen 2004-4-13 10863 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon 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
  RSA263719  Bromus diandrus E. W. Lathrop 1966-3-23 6072 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 1220 Comment
  RSA314626  Bromus diandrus R. F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55424 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  UCR108872  Bromus grandis Heidi A. Haid 1968-1 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UC1929330  Bromus madritensis subsp. rubens Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10454 Riverside Peninsular Ranges, San Jacinto Mountains/Colorado Desert: E 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
  SEINET3923273  Bromus rubens R. L. Piemeisel 1913-5-4 409467 Riverside Crestmore field.; 0 Comment
  UCR233070  Bromus rubens Edith B. Allen 2012-2-5 212- 02 Riverside Riverside, SW foot of the Box Springs Mtns. on east edge of town, Sycamore Canyon Park, just off Central Ave. near entrance 384 Comment
  POM12135  Bromus rubens Mary F. Spencer 1920-4-5 1547 Riverside Palm Springs, Colorado Desert. 122 Comment
  RSA597950  Bromus rubens F. M. Reed 1926-4-16 4692 Riverside Riverside. 274 Comment
  RSA91692  Bromus rubens F. W. Peirson 1918-03 1557 Riverside Palm Springs Comment
  RSA716385  Bromus tectorum Scott D. White, Angelia Carey 2004-4-5 9995 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  SD254501  Bromus tectorum Steve Boyd, Carol Boyd 2011-3-29 12305 Riverside Transverse Ranges; San BernardinoMountains region: Southeast end of range in south branch of Mission Banyon, just upstream from confluence with north branch. 762 Comment
  UCR42311  Bromus trinii N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 171 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
  SEINET3083122 Image available Buddleja utahensis A. C. Sanders 1983-6-11 3836 Riverside Plants of San Bernardino. Winters Pass, Mesquite Mountains, eastern Mojave Desert, 40 miles (airline) NE od Baker. Comment
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Oct 5 2016
  UCR16506  Calandrinia ciliata Karen Cook 1966-3-17 s.n. Riverside 100 yd east of north-south railroad tracks on corner of Tanescalst and Compton Ave., Corona 274 Comment
  UCR225576  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2011-3-29 38873 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  UCR251714  Calandrinia ciliata T. B. Salvato 2014-4-9 7844 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  CLARK-A1045-62  Callitriche marginata George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  RSA198959  Callitriche marginata R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37451 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California.. 609 Comment
  RSA33865  Calocedrus decurrens N. C. Cooper 1943-9-11 908 Riverside Dr. Robert L. Rutherford's Lot, Idlewild, 1676 Comment
  RSA572185  Calocedrus decurrens C. Epling 1931-10-3 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1524 Comment
  RSA444479  Calochortus albus J. C. Roos 1960-5-30 s.n. Riverside Ridge between heads of Bedford Canyon and East Fork Ladd Canyon 1220 Comment
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May 20 2011
  RSA588180  Calochortus concolor Darin L. Banks, Steve Boyd 1995-6-27 737 Riverside NW Palomar Mountains; Agua Tibia Mountains; Along the Crosley Road, S of the Cutca Road junction; Approximately 1/8 mile S of the junction between the Cutca and Crosley Roads. 792 Comment
  UC3393  Calochortus invenustus H. M. Hall Jul 1901 2475 Riverside Tauquitz Valley San Jacinto Mountains 2712 Comment
  UCR117699  Calochortus plummerae Mitch Provance 1998-6-11 652 Riverside Jurupa Mountains, NW Jurupa Mtns; south of the E extreme of Philadelphia St. 290 Comment
  RSA524587  Calochortus splendens Steve Boyd, Timothy S. Ross, Laurel Arnseth, J. Bonilla 1990-4-3 4136 Riverside Vail Lake area, SW base of 'Big' Oak Mountain, mouth of Temecula Creek Canyon. 366 Comment
  UCR139161  Calochortus splendens S. J. Myers 2003-4-22 s.n. Riverside Murrieta Area, hill 1564 between Auld. Rd. and Benton Rd. near Pourroy Rd., south of Alamos School site, north of Tucalota Creek 477 Comment
  UCR172767  Calochortus splendens Abby Sirulnik, Ian G. Gillespie 2000-5-14 53 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  CAS-BOT-BC483501  Calochortus splendens E. K. Balls 1949-5-4 13479 Riverside Cajalco Road, 2 miles from Corona to Elsinore Highway, road to Lake Matthews, Gavilan Hills Comment
  SBBG37955  Calyptridium monandrum T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  UCR182999  Calyptridium monandrum Mitch Provance 2003-5-5 4423 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR120172  Calystegia macrostegia subsp. intermedia Mitch Provance 1998-2-28 122 Riverside Jurupa Mountains, NE 'Wilder's Canyon', (what is sometimes referred to as the E fork of Pyrite Canyon) 351 Comment
  CLARK-A1528-419  Calystegia macrostegia subsp. longiloba Brian L. Estes 1961-3-25 O 60 Riverside Riverside Comment
  SD122189  Calystegia macrostegia subsp. tenuifolia James C. Dice, Tu Chung 1987-10-19 740 Riverside Santa Margarita Ecological Reserve; along road to Field Station, ca. 0.4 km eastnortheast of Field Station site. 349 Comment
  RSA716824  Camissonia bistorta A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25839 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  SEINET7907971  Camissonia bistorta D. A. Johnson 2005-1 Riverside 1 mi E of CA 74, River Rd between Perris & Lake Elsinore 488 Comment
  UCR260546  Camissonia bistorta T. B. Salvato, Matt Malle 2014-5-29 8024 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  RSA144821  Camissonia boothii subsp. condensata E. G. Linsley, J. W. MacSwain 1960-3-2 60 -4 Riverside Colorado Desert. 20 miles east of Desert Center. Comment
  RSA180409  Camissonia californica E. W. Lathrop 1965-5-30 5774 Riverside 6 miles W of Murrieta. Comment
  RSA466164  Camissonia californica N. C. Cooper 1944-5-6 1210 Riverside Whitewater Canyon. 457 Comment
  RSA775565  Camissonia californica Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-5-16 1254 Riverside Haugen Lehmann off I-10, Pacific Crest Trail (PCT) in canyon directly W. of Whitewater. 675 Comment
  UCR121197  Camissonia californica D. E. Bramlet 1989-4-4 1788 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR83193  Camissonia californica A. C. Sanders 1994-5-15 14484 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  SEINET10492047  Camissonia cardiophylla David B. Dunn, Howard Brown 1947-1-12 Dunn 2843 Riverside Pushawalla canyon, indio hills. In dry wash. Comment
  UCR104021  Camissonia claviformis George K. Helmkamp, E. A. Helmkamp 1998-2-18 2713 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  RSA719044  Camissonia claviformis Michael Honer 2005-3-11 2056 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  POM14023  Camissonia claviformis subsp. aurantiaca P. A. Munz, D. Keck 1922-4-9 4913 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA135304  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-25 11476 Riverside Box Canyon 5.5 miles south-east of Painted Canyon turnoff. Comment
  RSA314449  Camissonia claviformis subsp. aurantiaca Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55438 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA776766  Camissonia claviformis subsp. aurantiaca Amber Swanson 2011-4-8 382 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  UCR23517  Camissonia confusa John C. Roos 1943-5-23 2662 Riverside S Mojave Desert, Little San Bernardino Mtns 1524 Comment
  UCR174106  Camissonia hirtella A. C. Sanders 2006-5-19 32423 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
  RSA186720  Camissonia ignota Peter H. Raven 1962-3-19 16914 Riverside State Highway 74, 1.6 miles northeast of junction with State 71, north of Elsinore. Comment
  RSA524428  Camissonia ignota Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4124 Riverside Vail Lake area, upper benches and adjacent slopes of E flank of Big Oak Mountain, S of E summit. 610 Comment
  UCR116614  Camissonia pallida A. C. Sanders 2001-3-20 23839 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, NW corner of intersection of Pierson Blvd. and Atlantic Blvd., between flood control ditch and Pierson, west of high school 335 Comment
  UCR97441  Camissonia pallida A. C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19682 Riverside Colorado Desert/San Jacinto Mtns:, Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon 183 Comment
  RSA186157  Camissonia pallida subsp. pallida William Theobald 1960-4-10 62 Riverside Pinyon Crest Road 2.5 miles from Palms-to-Pines Highway. Comment
  UCR130119  Camissonia refracta Scott D. White 2001-4-3 8242 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  JEPS7498  Camissoniopsis bistorta Rimo Bacigalupi with J. F. MacBride and Ruth D. Sanderson 1952-3-30 3553 Riverside on w-facing hillslopes between Wildomar and Murrieta (2.6 mi n of Murrieta, along combined State Hwy 71 and US 395, sw Riverside Co.) Comment
  OBI29873  Camissoniopsis bistorta Melissa Luckow, Rhonda Riggins 1982-4-15 828 Riverside Hwy 371, 1.2 mi N of jctn with hwy 79 in Aguanga Comment
  SD185266  Camissoniopsis bistorta T. B. Salvato, Kent Beaman 2005-5-16 802 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Highway 74. 548 Comment
  SBBG34197  Camissoniopsis pallida T. L. Secrest 1951-5-19 Riverside from Idyllwild to Hemet Lake Comment
  UCR114298  Capsella bursa-pastoris Julie A. Greene 1993-4-10 1174 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Drainage south of Duck Club Rd., and east of Davis Road 436 Comment
  CDA7745  Cardamine hirsuta Mike Lahti 2008-1-29 PDR# 1473076 Riverside Temecula, 43401 Anza Rd. 0 Comment
  SEINET6332637 Image available Carex abrupta P. Zika, Otting, N 2010-1 25241 Riverside Vicinity of Willow Creek, San Jacinto Wilderness Area, San Jacinto Mountains (SnJt), Peninsula Ranges. Comment
  RSA0042251  Carex alma N. Miles Fellows, Andrew C. Sanders 1985-5-7 168 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mountains, 1 mi. W of Snow Creek Village. 488 Comment
  UC146421  Carex heteroneura Charlotte M. Wilder 1909-7-11 915 Riverside Round Valley, San Jacinto Mts. Comment
  UC1930173  Carex multicaulis Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1699 Riverside San Jacinto Mountains; junction of Dark Canyon and Fuller Mill Creek Comment
  RSA0125109  Carex praegracilis Duncan S. Bell 2016-10-27 10203 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  RSA199002  Carex praegracilis Robert F. Thorne, Philip A. Munz, E. W. Lathrop 1968-5-8 37599 Riverside Santa Rosa Plateau, Rancho California 610 Comment
  UC1931228  Carex praegracilis Scott D. White, Justin Wood 2008-6-19 12281 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. (Idyllwild) Comment
  UC213316  Carex schottii I. M. Johnston 1918-4-27 1859 Riverside Murrieta 304 Comment
  CAS-BOT-BC117446  Carex senta Walter Burchard Welch 1928-5-5 s.n. Riverside Pine Cove Trail, Idyllmild. San Jacinto Mts. Comment
  POM19848  Carex subfusca Mary F. Spencer 1923-6-12 2177 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  SD124707  Castela emoryi Andy C. Sanders, D. Charleton, B. Pitzer 1986-3-1 6041 Riverside Hayfield Lake, NW end of the lake ca. I(c) mile SW of pumping station 1349 Comment
  RSA82229  Castilleja affinis F. W. Peirson 1929-5-4 8338 Riverside Mostly about bushes on low hill about 2 miles south of summit of St. Johns Grade south of Hemet. 701 Comment
  POM9603  Castilleja affinis I. M. Johnston 1920-5-8 s.n. Riverside Jurupa mts., extreme west end. Comment
  POM229446  Castilleja applegatei subsp. martinii Philip A. Munz 1937-5-30 15078 Riverside Northwest slope of Santa Rosa Mt. 2134 Comment
  RSA448693  Castilleja applegatei subsp. martinii Anstruther Davidson 1883 Riverside Idyllwild. San Jacinto. Comment
  RSA0010961  Castilleja applegatei subsp. martinii Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3557 Riverside Vail Lake area, along Arroyo Seco drainage from junction with Kolb Creek. S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA97671  Castilleja applegatei subsp. martinii R. M. Straw 1954-6-10 608 Riverside Mountain Home Spring, Santa Rosa Mountain, San Jacinto Mountains. Comment
  UCR117311  Castilleja densiflora A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 737 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR132858  Castilleja densiflora Kent Beaman 1983-4-24 30 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road 8 miles west of Hwy 15 to Tenaja Rd., 2.5 miles west to where road begins to go up over pass at west edge of open grassy area , SE foot of Squaw Mountain 671 Comment
  RSA0010921  Castilleja densiflora subsp. gracilis F. W. Peirson 1930-5-10 8776 Riverside Summit St John's Grade. 762 Comment
  UCR152522  Castilleja exserta A. C. Sanders 2005-4-22 29616 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR80822  Castilleja exserta Scott D. White 1993-5-29 1440 Riverside San Bernardino Mtns, Banning Canyon along the road to Raywood Flat, Yucaipa Ridge 1341 Comment
  RSA751915  Castilleja foliolosa Scott D. White, Justin M. Wood 2009-5-22 12918 Riverside San Jacinto Mountains: Old Control Road, above Halfway Spring. 1159 Comment
  POM312155  Castilleja minor subsp. spiralis N. C. Cooper 1194 Riverside Whitewater Canyon. 457 Comment
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Jun 26 2008
  RSA0010912  Castilleja minor subsp. spiralis Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2136 Riverside Santa Rosa Mountains. Comment
  RSA192319  Castilleja minor subsp. spiralis E. W. Lathrop 1966-6-1 6358 Riverside Los Alamos Rd. , Tenaja Range. 14 miles NW of Murrieta. 366 Comment
  RSA615324  Castilleja minor subsp. spiralis Scott D. White 1997-5-25 5223 Riverside Bautista Canyon: Along Bautista Canyon Rd., less then 1.3 road miles NW of Hixon Tralhead (USFS NO. 2E43) 701 Comment
  UCR104181  Castilleja minor subsp. spiralis Scott D. White 1997-5-25 5249 A Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  UCR91479  Caucalis microcarpa Scott D. White, Marty Jacobsmeyer 1996-4-20 3950 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  RSA49352  Caulanthus cooperi P. A. Munz 1949-4-11 13014 Riverside Near Conejo Well, north base of Eagle Mts 915 Comment
  SD167181  Caulanthus heterophyllus S. J. Myers, John Green 2003-4-4 Riverside Powerline trail west of Juan Diego Flats toward Reed Valley, northwest of Cahuilla Mountain. 1220 Comment
  SDSU18384  Caulanthus heterophyllus C. Matt Guilliams 2008-2-21 467 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  UC1584125  Caulanthus heterophyllus D. Bramlet, P. Jacks and S. Goode 1989-4-4 1795 Riverside located on below a small knoll at the sw corner Bachelor Mtn (s-facing slope); Bachelor Mtn. Quad., Lake Skinner, s-facing slope Bachelor M 481 Comment
  UCR225188  Caulanthus heterophyllus Steve Boyd, Susan Jett 2008-3-20 11832 Riverside Peninsular Ranges; Santa Ana Mountains region, Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  UCR29602  Caulanthus heterophyllus Don Emery 1983-3-11 s.n. Riverside Peninsular Range, Aguanga, 1 mi north of Hwy. 79 at a point 1 mi west of its jct with Hwy 371. Comment
  UCR35189  Caulanthus heterophyllus L. B. Ziegler 1973-3-26 501 Riverside Peninsular Range, Gavilan Hills west of Perris 488 Comment
  UCR108392  Caulanthus lasiophyllus D. L. Banks, V. W. Steinmann 1997-3-13 1468 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  RSA527667  Caulanthus lasiophyllus var. rigidus Steve Boyd, D. Bramlet 1990-4-29 4488 a Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  CAS-BOT-BC48453  Ceanothus crassifolius Carl B. Wolf 1932-2-11 2648 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. west of Corona, base of Skyline Drive 405 Comment
  SD122183  Ceanothus crassifolius James C Dice 1987-12-7 763 Riverside North side of Temecula Gorge, ca. 0.4 km ENE of Field Station site (just SE of Weather Station), overlooking Santa Margarita River 340 Comment
  SDSU14296  Ceanothus crassifolius Robin P. Silverstein, Taxonomy of CA Plants class, M. G. Simpson, instructor 2000-4-2 7 Riverside Santa Margarita Ecological Reserve. 75 meters form Northside Field Station, and 10 meters west of fork in road. 320 Comment
  UCR270184  Ceanothus crassifolius A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42411 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  SD225087  Ceanothus cuneatus var. cuneatus Scott D. White, Shelton Dowthit & Conservancy volunteers 1996-3-31 3851 Riverside Lk Skinner Area: Riverside Land Conservancy conservation easement site, about 1/2 air mi S of the reservoir, near East Benton Road. 518 Comment
  CHSC1503  Ceanothus cyaneus E. Thomas 1940-3-10 Riverside Foothills above Sage. Comment
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Jan 7 2020
  RSA783161  Ceanothus greggii var. perplexans J. D. Olmsted 1962-5-3 3502 Riverside S of southern Quercus Keloggii population on Thomas Mt. 1616 Comment
  CAS-BOT-BC51274  Ceanothus leucodermis C. L. Hitchcock; C. V. Muhlick 1964-3-17 23109 Riverside 10 mi. N. of Pala, on road to Elsinore Comment
  UC870533  Ceanothus leucodermis I. W. Clokey, E. G. Anderson 1935-8-21 6737 Riverside Fuller's Creek 1500 Comment
  UC870539  Ceanothus leucodermis P. A. Munz and I. M. Johnston 1922-5-19 5401 Riverside Mountain side at mouth of Strawberry Canyon San Jacinto Canyon 1127 Comment
  UCR131803  Ceanothus leucodermis Mrs. D. R. Wolf 1932-3-20 32 Riverside Santa Rosa Plateau, Richman Ranch, 2.5 miles north of DeLuz, SW Riverside County 457 Comment
  RSA262095  Ceanothus oliganthus E. W. Lathrop 1971-3-24 7467 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA557891  Ceanothus oliganthus var. sorediatus Steve Boyd, Orlando Mistretta 1992-4-22 7002 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  POM17818  Ceanothus palmeri P. A. Munz, D. D. Keck 1923-6-14 7080 Riverside Glen Ivy Trail to Santiago Peak. 1524 Comment
  RSA714663  Ceanothus papillosus Chris E. True, Robert Cox 2004-7-7 s.n. Riverside Santa Ana Mtns.: Main Divide Trail, 0.6 km NE of summit of Pleasants Peak. 1067 Comment
  RSA735983  Ceanothus pauciflorus Scott D. White, Justin M. Wood 2008-5-29 12038 Riverside Beaumont Badlands: West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  CAS-BOT-BC51932  Ceanothus perplexans L. A. Greata 1908-6-1 s.n. Riverside Eden Hot Springs Comment
  CAS-BOT-BC83767  Ceanothus perplexans D. O. Burge 2007-3-21 802 b Riverside San Jacinto Mountains, along Hwy 243 1280 Comment
  UCR114952  Ceanothus tomentosus subsp. olivaceus D. E. Bramlet 1999-4-10 2733 Riverside Bachelor Mountain, along the dirt road to Bachelor Mtn., plateau some 305 m east of the peak, 1.48 km north of Lake Skinner. 738 Comment
  UCR82903  Cenchrus echinatus A. C. Sanders, C. L. Sanders, S. D. White 1994-10-9 15802 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  UCR125301  Centaurea repens A. C. Sanders, Seuk Ku Hong 2003-1-22 25669 Riverside San Bernardino Valley Region, Riverside, Arlington area, Doolittle Ave. 0.1-10. km NW of Van Buren Blvd., west of Riverside Airport and east of the site of Hole Lake 226 Comment
  UCR178314  Centaurea solstitialis T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 635 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  RSA0086790  Centromadia pungens subsp. laevis D. E. Bramlet 2005-7-13 3904 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: Bloome Parcel, 2550 ft north of San Jacinto River, 1580 ft south of South Contour Rd., 4700 ft east of Mystic Lake Duck Club. 433 Comment
  RSA767268  Centromadia pungens subsp. laevis Scott D. White 2009-8-10 13351 Riverside Temescal Valley: City of Temecula, West bank of Murrieta Creek, from Rancho Califonria Rd to Cherry St. 306 Comment
  UCR217652  Centromadia pungens subsp. laevis Karyn L. Drennen 2010-6-10 11 Riverside Santa Ana Mountains foothills, Murrieta Creek, 320 m southeast of Clinton Keith Road bridge. 363 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
  SD248328  Centromadia pungens subsp. pungens R. E. Riefner Jr. 2012-7-23 12 321 Riverside City of Hemet, ca. 100 yards north of W. Devonshire Ave. and Meyers St. 473 Comment
  UCR154758  Cerastium glomeratum T. B. Salvato, Kent Beaman 2005-5-16 783 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
  POM29669  Cercidium floridum Marcus E. Jones 1906-4-27 sn Riverside Indio. Comment
  RSA575081  Cercocarpus betuloides Steve D. Boyd 1982-4-27 s.n. Riverside Gavilan Hills region, eastern flank of the range in Santa Rosa Canyon, along Santa Rosa Road adjacent to small, old quarry. 610 Comment
  UC1979528  Cercocarpus betuloides var. betuloides Darin L. Banks, Steve Boyd 1995-3-16 109 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. Comment
  UC284990  Chaenactis artemisiifolia P. A. Munz 1923-6-14 7057 Riverside Glen Ivy Trail to Santiago Peak; Santa Ana Mts. 1066 Comment
  CAS-BOT-BC276399  Chaenactis carphoclinia N. Aitkenhead 1977-2-2 2113 Riverside 1 mile from junction of JT Mon. Road and pipeline Comment
  SBBG99384  Chaenactis carphoclinia W. L. Halvorson 1977-2-5 77 -21 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UCR269868  Chaenactis carphoclinia A. C. Sanders, Jim Malusa 2016-3-18 42366 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  CAS-BOT-BC276920  Chaenactis fremontii C. L. Hitchcock; C. V. Muhlick 1964-3-22 23265 Riverside At W end of PInto Basin, Joshua Tree National Monument Comment
  HSC5293  Chaenactis fremontii C. L. Hitchcock, C. V. Muhlick 1964-3-22 23265 Riverside Pinto Basin; Joshua Tree National Monument Comment
  JOTR28935  Chaenactis fremontii La Doux, Tasha 2005-3-30 1171 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR30640  Chaenactis fremontii La Doux, Tasha, Erin Babich 2008-4-21 1802 Riverside Joshua Tree National Park. Stop 3-Little San Bernardino Mountains, S of Covington Flat 1290 Comment
  SD215393  Chaenactis fremontii W. Wisura, A. King and L. Newcomb 1992-4-10 4664 Riverside Low Desert: Missin Creek west of Highway 62 below Morongo Valley Comment
  UC1007203  Chaenactis fremontii Philip A. Munz 1940-3-23 15721 Riverside 3 mi n of Cottonwood Springs; Eagle Mts. 914 Comment
  UC1539719  Chaenactis fremontii Chas. B. Fiker 1946-4-16 3414 Riverside w side of Colorado Desert Comment
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Mar 23 2014
  UCR133382  Chaenactis fremontii Mitch Provance, J. S. Ross 1998-3-27 1002 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon, c. 1.2 miles NE of the town of Cabazon 579 Comment
  UCR16877  Chaenactis glabriuscula Eric Trubschenck 1972-5-8 8 Riverside Moreno Valley, 12 miles east of Riverside, 1 mi south of intersection of Alessandro Blvd with Wilmot Street 549 Comment
  RSA777338  Chaenactis glabriuscula var. glabriuscula Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4700 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65123 604 Comment
  JEPS30505  Chaenactis parishii Donald W. Kyhos 1958-5-16 58 -183 Riverside 1.85 mi up road toward Mount Santa Rosa; San Jacinto Mountains, Mount Santa Rosa Comment
  UC31031  Chaenactis parishii H. M. Hall 1901-6-1 2128 Riverside Coyote Canyon San Jacinto Mountains, Santa Rosa Mountain, Coyote Canyon 1524 Comment
  JOTR35310  Chaenactis stevioides Andre, Jim 2012-4-16 20974 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  UC667268  Chaenactis stevioides Annie M. Alexander and Louise Kellogg 1941-5-11 2154 Riverside Cottonwood Spring Colorado Desert, Eagle Mountains, Cottonwood Spring 883 Comment
  SEINET4358093 Image available Chamaesyce micromera Duncan S. Bell 2011-10-22 3000 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice.; 0 437 Comment
  POM432476  Chamaesyce pediculifera M. B. Dunkle 1933-5-6 3449 a Riverside Painted Canyon Comment
  RSA614604  Chamaesyce polycarpa var. polycarpa A. C. Sanders 1994-1-30 14224 Riverside Box Springs mountains, E-facing open slope at the head of big Springs Canyon, in saddle SE of peak 2602. 762 Comment
  RSA740641  Chamaesyce polycarpa var. polycarpa Scott D. White, Justin M. Wood 2008-7-10 12443 Riverside San Jacinto Mountains: Garner Valley, near Fobes Ranch Rd. 1354 Comment
  JOTR30931  Chamaesyce serpillifolia subsp. serpillifolia La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1376 Riverside Joshua Tree National Park. Queen Valley, near Geology Tour Rd/ Rte. 12 intersection 1333 Comment
  UCR261104  Cheilanthes clevelandii Joseph Cahill 2011-1-8 111- 06 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  UCD137422  Cheilanthes covillei Geoffrey Levin 1976-3-27 697 Riverside Hills on south side of Chino Canyon. West of Palm Springs. San Jacinto Mts. 457 Comment
  SEINET10470380  Cheilanthes parryi David B. Dunn 1948-2-21 Dunn 3692 Riverside Common among the rocks on Northerly slopes of ravines. Pushawalla; a rain about 2 weeks earlier in wash. Hills still quite dry. Comment
  UCR91559  Cheilanthes viscida A. C. Sanders, M. Jacobsmyer, C. L. Sanders 1995-2-5 15910 Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater Canyon, between Bonnie Bell & the fish hatchery 550 Comment
  RSA666517  Chenopodium Mitch Provance 2000-10-28 2269 Riverside Sunnyslope, residential areas near the Ormand Quarry. 274 Comment
  CDA3005  Chenopodium amaranticolor A. C. Sanders, Mitch Provance, T. B. Salvato, B. G. Pitzer 2000-11-3 23723 Riverside Riverside, UCR campus, east side of the UCR Botanical Garden Comment
  UCR103222  Chenopodium berlandieri Scott D. White 1994-10-17 2463 .2 Riverside Temecula Valley, Murrieta Creek channel, downstream from confluence with Santa Gertrudis Creek, south of bridge at Winchester, north of Long Valley Road. 305 Comment
  SD181597  Chenopodium berlandieri var. sinuatum Scott D. White 1998-10-13 7181 Riverside Corona, near Bedford Cyn, dissected alluvial slope, foothills at eastern slope of Santa Ana Mtns, 'Joseph Canyon' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. USGS 7.5' corona South quad. 334 Comment
  NY990883  Chenopodium californicum S. D. Boyd 1990-3-30 3970 Riverside Vail Lake area, valley between Black Hills and Rocky Ridge. 701 Comment
  UCD98094  Chenopodium californicum C. L. Hitchcock 1966-3-16 24192 Riverside 5 miles n.e. of Aguanga. Comment
  UCR133663  Chenopodium californicum Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR155168  Chenopodium californicum A. C. Sanders 2005-5-4 29847 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  JOTR01006  Chenopodium californicum Cole, James E. 1941-6-9 855 Riverside Joshua Tree National Park. STUBBY SPRING AREA 1371 Comment
  UCR115133  Chenopodium missouriense Mitch Provance 2000-10-14 2251 Riverside Santa Ana River Bluffs, Belltown/ Crestmore area, near the corner of Wilson and Holly Sts. on the W side of the Santa Ana River 268 Comment
  UCR266459  Chenopodium missouriense Mitch Provance 2012-11-9 612 51 Riverside San Bernardino Valley, Box Springs Canyon, SW base of the Box Springs Mountains, E side of Interstate 215, 0.25 mi SE of the intersection of Gernert Rd. and Watkins Dr. 422 Comment
  RSA775917  Chenopodium murale Duncan S. Bell, Amanda Turek 2010-4-10 813 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UCR108713  Chenopodium murale Scott D. White, Pam DeVries 1998-2-9 6081 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 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
  SD4855  Chilopsis linearis Fidella G. Woodcock 1928-4-26 Riverside Palm Springs, Colorado Desert Comment
  UCR274213  Chilopsis linearis Duncan S. Bell, Evan Meyer 2014-10-29 7690 Riverside Santa Rosa Mountains, Agua Alta Canyon, to the north of Martinez Canyon, c. 6 air miles southeast of the summit of Martinez Mountain 394 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
  RSA609746  Chilopsis linearis subsp. arcuata R. S. Woglum 1934-4-12 1354 Riverside Sonoran Desert: Mecca Canyon; Mecca Hills; North of Salton Sea. Comment
  UCD57916  Chloris gayana F. M. Reed 1934-1-5 s.n. Riverside from garden in Riverside. Comment
  CAS-BOT-BC474743  Chloris truncata R. E. Riefner, Jr. 2015-11-1 15 -429 Riverside City of Perris/Romoland area, Antelope Rd. at McLaughlin Rd. 452 Comment
  CAS-BOT-BC518751  Chloris truncata R. E. Riefner, Jr. 2016-3-22 16 -69 Riverside City of Perris, Trumble Rd. at Ethanac Rd., E of I-215 444 Comment
  RSA615389  Chloris truncata A. C. Sanders 1997-3-26 200095 Riverside Lake Skinner area: N edge of Temecula vinyard district, Borel Road, 0.1 mile W of turnoff to Lake Skinner (33 deg 34'N, 117 deg 02'W; Bachelor Mt. 7.5 Quad: T7S R2W NE/4 Sec.13). Alt. 488 m/ 1600 ft. 488 Comment
  JEPS57601  Chorizanthe brevicornu var. brevicornu E. E. Schellenger May 1920 Riverside e Mecca (Hayfields); Colorado Desert, e of Mecca Comment
  JOTR35047  Chorizanthe brevicornu var. brevicornu La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3500 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  UCR228165  Chorizanthe brevicornu var. brevicornu Dave Silverman, Onkar Singh 2010-3-26 7852 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, E of McCoy Mtns, NW of Blythe, 3.0 km E of Black Creek Rd, c. 4.3 km W of McCoy Wash, and c. 8 km N of I-10 142 Comment
  UCR147605  Chorizanthe coriacea Rashmi Pant, D. L. Banks 1996-5-13 1024 Riverside Peninsular Ranges: Palomar Mts region, NW Palomar Mtns. Agua Tibia Mountians. Foothills south of Hwy 79; east of the Dripping Spring Campground; along xeric ridge, approximately 100mi east of the Dripping Springs Guard Station Comment
  SDSU13918  Chorizanthe fimbriata var. fimbriata Michael G. Simpson 2000-5-13 2116 Riverside Santa Margarita Ecological Reserve, ca. 100 feet from Northside field station. 366 Comment
  UC450107  Chorizanthe parryi var. parryi F. M. Reed 1907-6-10 1423 Riverside Riverside and vicinity 304 Comment
  CAS-BOT-BC257186  Chorizanthe polygonoides var. longispina Steve Boyd 1986-5-1 1796 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow Comment
  RSA543592  Chorizanthe polygonoides var. longispina Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6143 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 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
  UC1595619  Chorizanthe staticoides Steve Boyd 1991-5-20 6270 Riverside nw Lake Elsinore (Lower Rice Canyon, just inside Cleveland National Forest boundary, Santa Ana Mountains); Santa Ana Mountains, Cleveland Nat For, nw Lake Elsinore 573 Comment
  JOTR30969  Chorizanthe watsonii La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1943 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  SEINET10445998 Image available Chorizanthe xanti var. leucotheca Marc A. Baker, Danny Cuellar, Youssef Atallah, and Elizabeth Kempton 2015-4-13 18313 Riverside San Gorgonio Pass, 5.5km WNW of White Water, 20km NW of Palm Springs 456 Comment
  SD224832  Chrysanthemum parthenium Scott D. White 1996-8-15 4478 Riverside Strawberry Creek at Hwy 74 bridge. Rocky creek bed 883 Comment
  RSA482020  Chrysothamnus nauseosus subsp. bernardinus Richard Noyes, L. Arnseth 1988-9-10 732 Riverside San Jacinto Mountains: South Ridge Trail, southwest of Tahquitz Peak. 2072 Comment
  UCR279518  Chylismia brevipes A. C. Sanders, Jim Malusa 2017-3-27 43118 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  UC635388  Chylismia cardiophylla subsp. cardiophylla H. L. Mason 1928-3-10 4205 Riverside Hidden Springs Coachella Mountains Comment
  SBBG6278  Chylismia claviformis T. L. Secrest 1948-4-7 Riverside 5 mi below Whitewater 274 Comment
  JOTR38683  Chylismia claviformis subsp. aurantiaca Hodges, Stephen R. 2017-2-7 699 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  UC1184383  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-2-16 11623 Riverside 4.3 mi s Rice Comment
  UCR183020  Cirsium occidentale var. occidentale Mitch Provance 2003-5-5 4426 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  RSA737351  Cirsium vulgare Justin M. Wood 2008-9-19 134 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  CSUSB230  Clarkia purpurea subsp. quadrivulnera R. Thomasson 1973-5-30 Riverside Box Springs Mountains Box Springs Mountains; Big C turnoff. 0.6 miles from Box Springs Mountain Road. 777 Comment
  RSA458859  Clarkia rhomboidea N. C. Cooper 1945-5-24 1649 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UCR281530  Clarkia similis Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 89 Riverside Temescal Valley, S of the 15 Fwy., 0.3 miles W of Hostettler Rd. 384 Comment
  CLARK-A1528-647  Clarkia unguiculata Robert A. Hawthorne 1957-5-1 Riverside Riverside 251 Comment
  CSUSB249  Clarkia unguiculata Pam Maynard 1974-5-16 Riverside Fairmount Park in city of Riverside. On the southern border of the park, on a dry slope. 603 Comment
  RSA0021841  Claytonia parviflora subsp. parviflora A. C. Sanders, P. J. MacKay, Tim Thomas, O. F. Clarke 1997-5-4 20634 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740. 1067 Comment
  SD138017  Claytonia parviflora subsp. parviflora Darin L. Banks 1995-5-3 239 Riverside Cleveland National Forest; Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along lower benches of Arroyo Seco 512 Comment
  UCR54244  Claytonia parviflora subsp. viridis David Charlton 1988-5-21 1922 Riverside San Jacinto Mtns., Thomas Mtn Rd, west of Garner Valley and south of Lake Hemet on Hwy 74 1829 Comment
  UCR214125  Claytonia perfoliata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37731 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  UCR265590  Claytonia rubra Jordan Zylstra 2014-3-23 14015 Riverside San Jacinto Mountains, south of K-Flat, west of Apple Canyon Road 1463 Comment
  RSA386223  Clematis lasiantha E. Crow 1929-4-7 292 Riverside East end of Corona Skyline Drive, Santa Ana Mountains. Comment
  UCR246587  Clematis pauciflora A. C. Sanders 2012-3-22 39985 Riverside Peninsular Range; Temescal Valley, foot of Santa Ana Mtns., SE of intersection of Glen Eden Rd. and I-15 Frontage Rd., south of Corona (Lee) Lake 378 Comment
  RSA6638  Cleome isomeris B. D. Stark 1932-6-15 1523 Riverside Base of Eagle Mountains above Utopia, Colorado Desert. 229 Comment
  CAS-BOT-BC416390  Coleogyne ramosissima Reid Moran 1941-5-4 840 Riverside East of Quail Spring, Joshua Tree National Monument 1300 Comment
  SD244244  Collinsia concolor A. C. Sanders, Timothy W. Chumley 2013-4-2 40744 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Road and Hostettler Road, near I-5 Freeway, southeast of Corona (Lee) Lake (Aberhill 7.5') 377 Comment
  SD239711  Convolvulus simulans John F. Green 2008-4-17 408 28 Riverside Peninsular Range: Perris-Aguanga Valley; powerline route south of Perris, near McLaughlin Road, between Murrieta Road and Goetz Road (Romoland 7.5'Q) 441 Comment
  UCR22133  Convolvulus simulans Steve Boyd 1980-3-22 297 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. 640 Comment
  RSA191393  Conyza bonariensis E. W. Lathrop, R. F. Thorne 1967-10-27 6677 Riverside 5 mi. NW of Murrietta, Santa Rosa Ranch. Comment
  JOTR29501  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
  RSA0103568  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8589 Riverside Santa Rosa Mountains; collecting on forested slope between forest service road and the summit of Santa Rosa Mountain. 2324 Comment
  RSA356626  Cordylanthus rigidus subsp. setiger Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 47321 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  POM356007  Coreopsis californica Ora M. Clark 1929-3-2 1608 Riverside Near Alberhill. Comment
  RSA730038  Coreopsis californica var. californica R. F. Thorne, M. Z. Thorne 1973-3-30 42713 Riverside Mojave Desert: southeast end Johnson Valley, c. 20 mi north of Yucca Valley and 12 mi east-southeast of Old Woman Springs. 976 Comment
  UC89484  Coreopsis californica var. californica T. S. Brandegee April, 1901 Riverside Colorado Desert Comment
  JEPS41858  Corethrogyne filaginifolia Carl V. Meyer 1928-7-30 574 Riverside Saunder's Meadow; San Jacinto Mts. 1706 Comment
  LA99053  Corethrogyne filaginifolia E. R. Hobbs; G. Malanson, Walt Westman 1978-9-30 78- 132 Riverside Cortrite Avenue, Homeland Comment
  RSA33795  Corethrogyne filaginifolia Norman C. Cooper 1943-9-11 902 Riverside San Jacinto Mtns. below Idlewild. 1067 Comment
  SDSU4689  Corethrogyne filaginifolia H. Wedberg 1962-7-28 982 Riverside About 7 miles from Hemet on the road to Mountain Center. 610 Comment
  UC63197  Corethrogyne filaginifolia H. M. Hall Riverside Riverside Comment
  RSA515221  Coryphantha alversonii Steve Boyd, Orlando Mistretta 1986-3-13 1465 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA618003  Crassula aquatica R. E. Riefner 1998-4-22 98 -295 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  UCR19712  Crassula aquatica John C. Roos 1952-4-9 5514 Riverside Rolling flats at Edgemont, near Box Springs 488 Comment
  CAS-BOT-BC427781  Crassula connata Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 3987 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  UCR112951  Crassula connata B. G. Pitzer 1998-3-1 3554 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  UCR84875  Crassula connata A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16132 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  CSUSB616  Crassula erecta Paul M. Estes 1962-3-17 Riverside Box Springs Mountains West slope of Box Springs Mountains, 1.5 miles west of Big "C" Road in dry stream bed. 761 Comment
  SBBG72294  Crossosoma bigelovii unknown 1895-1 Riverside Palm Springs Comment
  UCSB3801  Crossosoma bigelovii Walker, Clifford 1954-4-10 Riverside Near the head of Whitewater Canyon Comment
  JOTR35992  Croton californicus Harding, Mitzi, Mark Wheeler 2012-9-4 203 Riverside Joshua Tree National Park. Clark's Pass; low area of mud flats surrounded by fine sand hills, just south of Highway 62 (stop 5) 538 Comment
  RSA651890  Croton californicus C. J. Humphrey, Herbert Humphrey, E. T. Bartholomew 1936-6-7 202 Riverside In desert 15 miles north [E?] of Riverside 366 Comment
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Jun 10 2008
  SD187396  Croton californicus Scott D. White, Angelia Carey 2004-5-7 10312 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills, along stream 548 Comment
  SEINET9255224 Image available Croton californicus J. C. Roos 1965-6-23 Riverside Palm Springs Comment
  JOTR01098  Croton californicus Cole, James E. 1941-5-30 823 Riverside Joshua Tree National Park. LOST HORSE VALLEY 1310 Comment
  POM14988  Croton californicus var. mohavensis Mary F. Spencer 1922-3-29 246 Riverside Mecca -49 Comment
  UCR21143  Croton setiger Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  UCR94939  Croton setiger Scott D. White 1996-9-22 4530 Riverside Perris Basin, Lakeview Mtns: north of Homeland, along Juniper Flats Road, c. 1.2 road miles north of intersection with State Hwy 74, unnamed drainage channel parallel to the road 500 Comment
  UCR169389  Cryptantha T. B. Salvato, John F. Green 2004-5-27 612 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
  RSA517912  Cryptantha angustifolia Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1317 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. 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
  SBBG6233  Cryptantha angustifolia H. and M. Dearing 1942-3-3 4806 Riverside Cathedral City Comment
  SBBG6239  Cryptantha angustifolia H. and M. Dearing 1942-4-3 4852 Riverside near Desert Center 518 Comment
  SBBG6240  Cryptantha angustifolia H. and M. Dearing 1938-3-5 1962 Riverside between Blythe and Desert Center Comment
  SEINET4557943  Cryptantha angustifolia Naomi Fraga, David Fraker, Brett Griffin 2012-1 3949 Riverside Mojave Desert, Southcentral Mojave Desert Region: off of Box Canyon Rd. S. of Shaver well in a wash. 70 Comment
  UC100903  Cryptantha angustifolia A. V. Stubenranch 1905-4-10 Riverside Mecca Colorado Desert Comment
  UCR148325  Cryptantha angustifolia John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR196109  Cryptantha angustifolia Jim Andre, T. La Doux 2006-4-11 8141 Riverside S Mojave Desert, Joshua Tree National Park, along Pinto Basin Road (paved) through Wilson Canyon at Fried Liver Wash 858 Comment
  UCR216676  Cryptantha angustifolia Jim Andre, T. La Doux 2009-3-10 11236 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
  RSA27902  Cryptantha barbigera C. L. Hitchcock 1940-4-3 5932 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  UC1563064  Cryptantha barbigera Steve Boyd, Thomas S. Elias, and Erika Winter 1986-2-18 1330 Riverside Box Canyon, along Hwy 195 Colorado Desert, Mecca Hills Comment
  UCSB16538  Cryptantha barbigera Breedlove, Dennis 1962-3-11 Riverside Cat Creek, 3 miles southwest of Palm Desert 426 Comment
  SDSU20582  Cryptantha barbigera var. fergusoniae Ronald B. Kelley 2005-3-22 653 Riverside Cottonwood Road north of West Palm Springs, near type location. 549 Comment
  UCR175233  Cryptantha circumscissa Jim Andre, T. La Doux 2006-4-11 6732 Riverside S Mojave Desert, Joshua Tree National Park, along Pinto Basin Road (paved) through Wilson Canyon at Fried Liver Wash 858 Comment
  UCR35183  Cryptantha circumscissa L. B. Ziegler 1972-6-12 481 Riverside San Jacinto Mtns,, Hemet (Garner) Valley. 1418 Comment
  UCR26949  Cryptantha clevelandii var. clevelandii E. W. Lathrop 1966-5-8 6413 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  SEINET3830323  Cryptantha costata G. Rink, A. Karl, M. Honer, T. Thomas 2011-1 10435 Riverside BLM. Ca 5 miles west of Blythe, south of I-10 and north of the transmission line. 142 Comment
  UCR45198  Cryptantha costata A. C. Sanders 1986-5-10 6496 Riverside Western Colorado Desert, Coachella Valley, mouth of the Whitewater River, along the levee where the river crosses Lincoln St., 3 mi south of Mecca -70 Comment
  RSA605175  Cryptantha dumetorum A. C. Sanders, P. Mackay, M. Jacobsmyer, C. L. Sanders 1995-3-5 15999 Riverside colorado Desert: Orocopia Mtns, Maniobra Valley, 1.6-3 miles S of frontage road (old 60) along I10, S to ege of BLM wilderness. 556 Comment
  JEPS67627  Cryptantha holoptera W. L. Jepson 1927-4-12 11678 Riverside Painted Canyon Colorado Desert, Mecca Hills 76 Comment
  JEPS67649  Cryptantha intermedia W. L. Jepson 1935-4-17 19155 Riverside 1.5 mi n Elsinore (sw Riverside County) 457 Comment
  POM13225  Cryptantha intermedia E. C. Jaeger 1921-4-12 1127 Riverside Palm Springs (Cabazon) Comment
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Mar 13 2011
  RSA658921  Cryptantha intermedia Bob Rogers 1984-4-28 24 Riverside North-facing slope adjacent to and on the South side of Hwy 74, 3.6 miles from Strawberry Creek going towards Mountain Center. 1220 Comment
  RSA659685  Cryptantha intermedia J. C. Roos 1947-3-21 3366 Riverside Plateau, Reche Canyon Comment
  RSA771785  Cryptantha intermedia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4703 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65124 604 Comment
  SBBG6258  Cryptantha intermedia H. and M. Dearing 1939-12-31 4050 Riverside 5 mi N Palm Springs Comment
  UC1792809  Cryptantha intermedia A. C. Sanders 2001-4-8 23983 Riverside Western Colorado Desert: Coachella Valley, Desert Hot Springs, N of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 347 Comment
  UC729664  Cryptantha intermedia Carl B. Wolf 1932-5-25 Riverside 1 mi below, n base of San Jacinto Mts. Fish Hatchery; San Jacinto Mts., Snow Creek Canyon 396 Comment
  POM96833  Cryptantha intermedia F. M. Reed 1925-3-17 4936 Riverside Tahquitz Canyon - Palm Springs. Comment
  SD260026  Cryptantha maritima J. M. Andre 2013-3-27 24831 Riverside Riverside Mountains: along Wilson River Crossing Rd, 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct. Parker SW 7.5'Q 114 Comment
  UCR213258  Cryptantha maritima A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37451 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  UC604897  Cryptantha micrantha Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9523 Riverside 16 mi from Cottonwood Springs; Pinto Basin Comment
  UCSB10421  Cryptantha micrantha Muller, Cornelius 1954-4-12 Riverside In Morongo Pass, south of Morongo Valley Comment
  SEINET4558667  Cryptantha micrantha subsp. lepida Peter Kamb 1950-1 1908 Riverside Hall Canyon, San Jacinto Mountains 1646 Comment
  RSA653544  Cryptantha micrantha var. lepida Scott D. White 1999-5-24 7379 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
  UCR100037  Cryptantha micrantha var. lepida Scott D. White 1994-4-23 2046 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  UCR256085  Cryptantha micrantha var. lepida G. D. Wallace 2003-7-8 4028 Riverside Peninsular Range; San Jacinto Mountains, Hidden Lake 2652 Comment
  UCR264741  Cryptantha micrantha var. lepida Steve Boyd, G. D. Wallace 2005-7-30 11639 Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  RSA779621  Cryptantha micrantha var. micrantha Duncan S. Bell 2010-4-1 657 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  UC1537682  Cryptantha microstachys Gordon H. True Jr. 1935-2-20 3 Riverside Box Springs Sycamore Canyon 365 Comment
  UCR102888  Cryptantha microstachys A. C. Sanders 1997-4-3 20175 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  RSA503402  Cryptantha muricata J. D. Olmsted 1962-5-10 3611 Riverside L. Matthews Road ca. 1/2 mi. W of dam 427 Comment
  UC61114  Cryptantha muricata Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  RSA0079063  Cryptantha muricata var. jonesii Scott D. White, Justin M. Wood 2008-6-16 12127 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  JOTR28811  Cryptantha pterocarya La Doux, Tasha, Bill Truesdell 2004-3-11 1079 Riverside Joshua Tree National Park. Pinto Basin; Sand Hills 530 Comment
  RSA0019471  Cryptantha pterocarya var. stenoloba J. Andre, G. Clifton, Ron Kelley 2013-3-21 24395 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  JOTR36024  Cryptantha racemosa Harding, Mitzi, T. Herskovits 2012-3-16 230 Riverside Joshua Tree National Park. Cholla Wash Comment
  POM72365  Cryptantha racemosa Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  JOTR34177  Cryptantha utahensis Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 138 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Northeast flowing steep side canyon of Pushawalla Canyon, almost parallel to main canyon (Stop 5) 1171 Comment
  UCR50381  Cryptantha utahensis F. R. Fosberg 1929-3-30 S- 00710 Riverside Western Colorado Desert/ San Jacinto Mtns, Palm Springs, Andreas Canyon Comment
  UCD107531  Cucurbita foetidissima K. Esau 1935-6-15 s.n. Riverside Near Riverside. Comment
  POM6747  Cucurbita palmata P. A. Munz, Street Street 1919-5-7 s.n. Riverside Palm springs 183 Comment
  UCR187360  Cucurbita palmata R. E. Riefner Jr. 2006-8-2 06- 349 Riverside Peninsular Range, Lakeview Mountains, vicinity of Alicante Dr. and Jamawag Rd., north of Leon Rd. 550 Comment
  SDSU16681  Cuscuta californica var. californica Francis H. Bozzolo 2006-4-16 4 Riverside Santa Margarita Ecological Reserve, southern end, NNW of residence building, slope immediately behind avocado grove between 2 gullies. 229 Comment
  RSA644189  Cuscuta ceanothi Scott D. White 1995-8-23 3563 Riverside San Jacinto Valley. San Jacinto Riv., just N of City of San Jacinto boundary, ca. 1 mi SE of bridge at State St. 463 Comment
  RSA0073880  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17729 Riverside Chuckwalla Mountains, Corn Springs Wash, 5km west of Aztec Well, 74km east of Indio. 760 Comment
  UC172818  Cylindropuntia bigelovii S. R. Vasey Feb. 1881 Riverside White Water Comment
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Nov 29 2010
  CAS-BOT-BC56145  Cylindropuntia californica var. parkeri Carl B. Wolf 1938-1-5 9385 Riverside Field redacted by CAS, contact the data manager for more information 548 Comment
  UC718129  Cylindropuntia californica var. parkeri Carl B. Wolf 1939-2-24 9491 Riverside 2.4 mi n Aguanga (on road to Anza) 762 Comment
  RSA0080816  Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17726 Riverside Chuckwalla Mountains, just south of Corn Springs Wash, 250m east of its confluence with Irish Wash, 500m NW of Aztec Well, 74km west of Blythe. 641 Comment
  RSA0097199  Cylindropuntia echinocarpa Marc A. Baker, Michelle Cloud-Hughes 2015-7-7 18399 Riverside San Gorgonio River, 2 km south of Cabazon, 2.6 km NNW of Hurley Flat, 26 km WNW of central Palm Springs. 510 Comment
  SEINET191823  Cymopterus panamintensis var. acutifolius Annie M. Alexander, Louise Kellog 1941-5-26 2239 Riverside Monsen Canyon Eagle Mtns Colorado Desert 975 Comment
  UCR22187  Cynodon dactylon E. W. Lathrop 1959-4-26 4504 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau; 14 miles west of Murrieta Comment
  UCR65280  Cyperus erythrorhizos Steve Boyd, T. S. Ross 1989-8-28 3801 Riverside Peninsular Range, Vail Lake area, Temecula Creek at confluence w/ the lake & adjacent sedimentary hills to the east. 488 Comment
  POM153370  Cyperus odoratus Phillip A. Munz, I. M. Johnston 1928-9-12 11244 Riverside North end of Lake Elsinore. Comment
  CDA20620  Cyperus rotundus K. E. Hoffmaster July 1958 s.n. Riverside Southern California; Indio. 0 Comment
  RSA751278  Cystopteris fragilis A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35646 Riverside May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  SBBG56301  Cystopteris fragilis R. Hoffmann 1929-9-5 Riverside Tahquitz Valley 2438 Comment
  CAS-BOT-BC158110  Dalea emoryi W. R. O. 0417 Riverside Roadside near buried Colorado Aqueduct ~ 2 mi. from Hwy Comment
  RSA404177  Dalea mollis Christopher Davidson 1979-4-4 7708 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  RSA498351  Dalea mollis T. W. Minthorn 1925-08 s.n Riverside Near Indio Comment
  RSA793415  Dalea mollis Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3958 Riverside Off of Box Canyon Rd. south of Shaver well on an alluvial plain. 323 Comment
  CSUSB1284  Dalea schottii Rodney Hendrick 1965-3-14 Riverside From dry wash 3 miles east of Thousand Palm Oasis, on Thousand Palm Drive 182 Comment
  UC2042147  Datisca glomerata R. F. Thorne with 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
  JEPS12294  Datura wrightii Marjorie D. Clary 1932-9-6 1553 Riverside 2 mi from Coachella (Coachella Valley); Colorado Desert, Coachella Valley -22 Comment
  UC444927  Datura wrightii F. M. Reed 1905-9-28 257 Riverside Riverside Comment
  UCD126636  Datura wrightii Robert F. Thorne; Drs. Fosberg, Sachet, and Herbst 1983-4-23 55419 Riverside San Bernardino Mountains. Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. In sandy wash east of bridge and on base of W-facing slope of ridge. 411 Comment
  UCR94958  Datura wrightii Scott D. White 1996-9-22 4528 Riverside Perris Basin, Lakeview Mtns: north of Homeland, along Juniper Flats Road, c. 1.2 road miles north of intersection with State Hwy 74, unnamed drainage channel parallel to the road 500 Comment
  UCR158945  Daucus pusillus Scott D. White 1994-6-21 2084 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  SD186077  Deinandra mohavensis A. C. Sanders, Steve Boyd, et al 1998-10-25 22273 Riverside Highway 74, roadside seep, ca. 2.0 miles below Mountain Center. 1250 Comment
  UC2030093  Deinandra mohavensis Scott D. White 2000-8-22 8120 Riverside SOUTH OF HEMET: Gibbel Flat in the Santa Rosa Hills. Comment
  CAS-BOT-BC131035  Deinandra paniculata Mrs. J. D. Abrams 1901-5-20 s.n. Riverside Elsinore Comment
  CAS-BOT-BC292009  Deinandra paniculata A. C. Sanders; Guy Bruyea 2003-6-12 26897 Riverside Perris-Aguanga Basin Region: Winchester, SE side of town between Simpson Ave. and Olive Ave., east of Hwy 79/Winchester Rd. 450 Comment
  UC297879  Deinandra paniculata David D. Keck 1926-9-30 264 Riverside 9.7 mi n Perris Comment
  RSA336418  Delphinium parishii Robert F. Thorne 1978-4-23 52058 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  SDSU10046  Delphinium parryi Charles Phleger, F. 1962-5-23 Riverside Collcted on land owned by the Schloss Foundation about 25.0 miles N of Escondido. Comment
  UCR158709  Delphinium parryi A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30008 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
  VVC431  Delphinium parryi A. C. Sanders, J. Mac 1997-5-4 20696 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  CAS-BOT-BC121428  Delphinium parryi subsp. parryi Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  UC9156  Delphinium patens subsp. hepaticoideum H. M. Hall May 17 1901-Jun 1 1901 1804 Riverside Strawberry Valley San Jacinto Mt. Comment
  UCR16757  Delphinium patens subsp. hepaticoideum G. R. Ballmer 1965-3-21 s.n. Riverside Peninsular Range, Base of Santa Ana Mountains, 5 mi. south of Glen Ivy Hot Springs 396 Comment
  SEINET263476 Image available Deschampsia danthonioides R. Noll sn Riverside Hemet corner of Warren and Florida Avenues Comment
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Jul 29 2013
  UCD63292  Deschampsia elongata Peter Kamb 1950-7-9 1907 Riverside Hall Canyon, San Jacinto Mtns. 1645 Comment
  RSA161341  Descurainia pinnata subsp. glabra P. H. Raven 1958-3-16 1185 Riverside outwash plain below Cottonwood Springs, Joshua Tree National Monument. Comment
  UC519842  Descurainia pinnata subsp. glabra N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Spring 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
  SDSU21837  Dichelostemma capitatum subsp. capitatum Dang Dong, Stephanie Castillo, Lindsay Rubin 2016-4-16 6 Riverside Santa Magarita Ecological Reserve, Via Tornado, North side of Santa Margarita river, behind cabin. 357 Comment
  RSA33564  Dichelostemma capitatum subsp. pauciflorum N. C. Cooper 1944-3-25 1002 Riverside Cabazon 457 Comment
  CAS-BOT-BC292185  Dicoria canescens Marcus E. Jones 1927-10-3 s.n. Riverside Indio Comment
  RSA78306  Dieteria canescens var. ziegleri P. A. Munz, E. K. Balls 1952-8-21 17985 Riverside Road, Vandeventer Flat to Santa Rosa Peak 2072 Comment
  UCR139986  Digitaria sanguinalis A. C. Sanders 2004-8-10 28763 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) & south of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  RSA773123  Dimorphotheca sinuata Duncan S. Bell, Ryan Parker 2010-6-1 1234 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.1 air mile southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 779 Comment
  CAS-BOT-BC150923  Diplacus bigelovii var. bigelovii Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2162 Riverside Palen Pass at the N. end of the Palen Mtns. 50 Comment
  JEPS3937  Ditaxis claryana Marjorie D. Clary 1932-12-15 1709 Riverside Coral reef Ranch, 8 miles west of Coachella Comment
  CLARK-A1528-2693  Ditaxis lanceolata John C. Roos 1940-3-30 894 Riverside Whitewater Comment
  UCR58872  Ditaxis neomexicana J. M. Stewart 1989-10-16 612 Riverside Sonoran (Colorado) Desert, Big Maria Mountains, canyon on NE side Comment
  JEPS23078  Dithyrea californica Reino Alava with R. Bacigalupi, Dr. and Mrs. Rolla Tryon 1958-3-3 1833 Riverside along U.S. Hwy 95 27 mi s Vidal (ne of the Big Maria Mts.); flood plain of Colorado River 97 Comment
  RSA778622  Dithyrea californica Duncan S. Bell 2009-3-8 63 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  UCD114732  Dithyrea californica Evert I. Schlinger 1952-3-28 31 Riverside Whitewater. 152 Comment
  RSA387373  Dodecahema leptoceras Steve Boyd 1986-4-19 1692 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  RSA263756  Dodecatheon clevelandii E. W. Lathrop 1971-3-21 7452 Riverside Bedford Truck Trail of the Coleveland nat'l Forest, Trabuco District. 915 Comment
  CAS-BOT-BC41633  Draba corrugata var. saxosa J. Ewan 1930-9-1 s.n. Riverside Summit of Mount San Jacinto. 3293 Comment
  JEPS53492  Draba corrugata var. saxosa F. M. Reed 1908-7-11 2517 Riverside summit of San Jacinto Peak 3291 Comment
  CAS-BOT-BC427976  Dudleya arizonica S. B. Parish; W. F. Parish 1882-4-1 588 Riverside Borders of the Colorado Desert, Whitewater Comment
  UC1506122  Dudleya lanceolata Robert T. Clausen 1964-2-8 631047 b Riverside ridge sw Murrieta Comment
  CAS-BOT-BC109669  Dudleya multicaulis Steve Boyd 1986-5-7 1823 Riverside Alberhill Mountain. Lower slopes of south flank, just east of Claymine area. Comment
  POM229008  Dudleya saxosa subsp. aloides P. A. Munz 1937-5-30 15132 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  RSA503201  Dudleya saxosa subsp. aloides R. F. Thorne 1983-4-23 55501 Riverside On W side of canyon, about 3.3 mi. N of Whitewater Post Office. 610 Comment
  RSA791724  Dudleya saxosa subsp. aloides R. F. Thorne 1995-3-29 63016 Riverside White Water Canyon. 600 Comment
  UCSB24787  Echinocereus engelmannii Head, W. 1966-5-15 Riverside Pinyon Flats Campground 1249 Comment
  SEINET10447308  Echinocereus engelmannii A. Evans 1976-4-13 Evans 5172 Riverside Rocky slopes of santa rosa mtns. Comment
  RSA782131  Echinochloa colona Stephanie Rockwood, Christi Gabriel 2011-10-18 130 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 96 Comment
  RSA289844  Echinochloa crus-galli B. A. Prigge 1980-9-17 4065 Riverside Coachella Valley Stormwater Channel: Indio., Near 33 deg 44'N; 116 deg 14'W. -3 Comment
  SD217180  Echinochloa crus-galli Darin L. Banks, Lauren Raz 1996-8-29 1134 Riverside NW foothills of Dorland Mountain; along Los Caballos Road, approx. 0.5 meters south of Highway 79, 100 meters north of the Golf Course access road; along the east side of the road under the drip irrigation line to a vineyard (I(c) mile north of T8S R2W S24) 398 Comment
  UCR30551  Echinodorus berteroi John C. Roos 1937-6-7 2236 Riverside San Jacinto River Valley, Foot of Jackrabbit Trail. [N of San Jacinto] Comment
  UCR91011  Ehrharta erecta A. C. Sanders, O. F. Clarke 1996-2-17 17952 Riverside O.F. Clarke residence on 1012 Spruce Street [now the site of an apartment complex, 2001]. 305 Comment
  UCR243742  Elaeagnus angustifolia G. F. Pratt 2013-8-2 s.n. Riverside Peninsular Range, 6.8 miles SE (162 deg. ) of Anza/Hwy 371 at Contreras Rd., near intersection of Terwilliger Rd. and Nickerson Rd. 1266 Comment
  CAS-BOT-BC112740  Eleocharis geniculata Lewis Samuel Rose 1935-12-27 35704 Riverside Palm Canyon, Colorado Desert. 304 Comment
  SD90468  Eleocharis montevidensis Robert F. Thorne, E. Lathrop 1969-6-6 39345 Riverside Santa Rosa Plateau, Rancho California, shallow water of small stream. 609 Comment
  SDSU13554  Eleocharis montevidensis W. Miller 1972-7-20 Riverside Comment
  POM14326  Eleocharis palustris Phillip A. Munz 1922-7-4 5972 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  JEPS19325  Eleocharis parishii Carl V. Meyer 1928-7-30 594 Riverside near Idyllwild (Saunders Meadow); San Jacinto Mountains Comment
  RSA703625  Eleocharis parishii Scott D. White, Angelia Carey 2004-9-16 10763 Riverside Indian Creek watershed, above confluence w/ San Jacinto River. Former homestead area with persisting pond (cattle pond?) & adj. wetlands and seep. 579 Comment
  RSA179522  Eleocharis radicans E. W. Lathrop 1960-6-14 5010 Riverside 14 miles west of Murrieta. Comment
  POM19850  Elymus elymoides Mary F. Spencer 1929-6-29 2254 Riverside Idyllwild [San Jacinto Mountains] 1616 Comment
  JOTR31140  Elymus elymoides subsp. elymoides La Doux, Tasha 2009-6-3 1851 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  SEINET4208557  Elymus glaucus Scott D. White, Sandy Leatherman 2000-5-31 7979 Riverside Santa Ana Mts./Santa Rosa Plateau: Near Squaw Mountain.; 0 640 Comment
  UCR264633  Elymus triticoides Mitch Provance 2012-6-19 196- 10 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  POM10397  Emmenanthe penduliflora E. A. Zumbro 1905-05 s.n. Riverside Rubidoux Hill, Riverside. Comment
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May 22 2011
  RSA33518  Emmenanthe penduliflora N. C. Cooper 1944-4-8 1053 Riverside Andreas Canyon. 305 Comment
  RSA678348  Emmenanthe penduliflora Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10461 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  POM356734  Encelia actoni Norman C. Cooper 1949-6-29 4307 Riverside West of Pinyon Flat, San Jacinto Mountains 1524 Comment
  UCSB38732  Encelia actoni 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
  HSC47356  Encelia farinosa Richard Spjut, C. E. Edson 1978-4-24 4954 Riverside Along Hwy. 74 W of Palm Desert in the San Jacinto Mtns. 457 Comment
  HSC84168  Encelia farinosa B. Pitzer, L. F. LaPre 1987-3-2 421 Riverside Bundy Canyon; ca. 2 mi. SE of Lake Elsinore and 0.5 mi. N of Bundy Canyon Rd. off Raciti Rd. 701 Comment
  SDSU3839  Encelia farinosa H. Wedberg 1962-4-20 903 Riverside 1.3 miles from Cranston Ranger Station on road to Mountain Center, Idyllwild Mountains. 732 Comment
  UCR114652  Encelia farinosa B. G. Pitzer 1998-1-25 3411 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  UCR90979  Encelia farinosa Scott D. White 1996-3-16 3825 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  CAS-BOT-BC131421  Encelia frutescens H. M. Hall 1905-4-1 5859 Riverside Near [Canon] Canyon Springs Comment
  RSA792574  Encelia frutescens Aaron C. Sedgwick 2012-11-9 164 Riverside South of Needles: Chemeheuvi wash basin, west of Hwy. 95 on Turtle Mtn. Rd. Population extends for 8 mi. on northern side of the road in a parallel wash/ditch. 76 Comment
  LA31385  Ephedra californica Jane Turner; 1959-3-29 C 181 Riverside Morongo Wash Comment
  RSA383877  Ephedra californica H. de Forest 1929-4-15 s.n. Riverside Between Whitewater & Palm Spring. Open Desert. Comment
  RSA772007  Ephedra californica Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4966 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
  RSA774503  Ephedra californica Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4425 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
  UCR178557  Ephedra californica R. G. Swinney 1967-2-12 0020 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  UCR4014  Ephedra californica Val Chase 1965-3-7 5 B Riverside Western Colorado Desert, 1 mi south of Desert Hot Springs on the road S to Garnet 457 Comment
  SEINET10834110  Ephedra californica David B. Dunn 1946-2-22 Dunn 1953 -A Riverside Collected on N side of Whitewater Canyon in Colorado Desert. Comment
  IRVC8461  Ephedra fasciculata R. H. Whittaker, W. A. Niering Jun 1963 SJ 124 Riverside santa Rosa Mtns; Palms to Pines Hwy. Peninsular Ranges 915 Comment
  RSA0121417  Ephedra fasciculata Duncan S. Bell, LeRoy Gross 2016-3-31 9187 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 492 Comment
  UCR193553  Epilobium A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35660 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 1555 Comment
  RSA737422  Epilobium brachycarpum Justin M. Wood 2008-8-31 129 Riverside Romoland, Intersection of Ethanac Rd and Antelope Rd. 441 Comment
  RSA589084  Epilobium canum subsp. canum D. L. Banks, Steve D. Boyd 1995-10-17 795 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
  JOTR32640  Epilobium canum subsp. latifolium La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2561 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (Stop 3) 1362 Comment
  POM123232  Epilobium canum subsp. latifolium Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA125973  Epilobium canum subsp. latifolium E. K. Balls 1957-11-4 22745 Riverside Snow Creek near old Fish Hatchery, north base San Jacinto Mountains. 701 Comment
  JOTR35177  Epilobium ciliatum subsp. ciliatum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3278 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  RSA607566  Epipactis gigantea Louis C. Wheeler 1964-6-19 8486 Riverside Palm oasis at mouth of Andreas Canyon near Palm Springs. Comment
  UCR19157  Epipactis gigantea John C. Roos 1948-5-29 3870 Riverside San Bernardino Mtns., Whitewater Canyon 856 Comment
  GMDRC2527  Eragrostis cilianensis T. La Doux, J. Andre 2007-9-6 130 Riverside Little San Bernardino Mountains: Little San Bernardino Mountains: on dirt road to Lost Horse Ranger Sta, below Hemmingway Buttress, Joshua Tree Natl. Park.. Elev. 4058 ft. 1237 Comment
  RSA326148  Eragrostis cilianensis John F. Emmel 1981-6-27 787 Riverside Hemet, near intersection of Stanford Strret and Stetson Ave. 488 Comment
  CAS-BOT-BC204634  Eragrostis mexicana subsp. virescens H. S. Yates 1937-6-28 6744 Riverside Near Indio 30 Comment
  UC1495814  Eragrostis pectinacea var. pectinacea A. C. Sanders and S. Hagopian 1981-5-20 2154 Riverside se Temecula (ne of S16 along the entrance road to the Cal Turf Sod Farm, Wolf Valley); Wolf Valley 329 Comment
  UCR26521  Eragrostis pectinacea var. pectinacea A. C. Sanders, S. Hagopian 1981-5-20 2154 Riverside Peninsular Range, Wolf Valley, SE of Temecula, NE of State Hwy S16 along road to sod farm 329 Comment
  RSA567653  Eremalche rotundifolia A. C. Sanders, E. J. Lawlor 1992-4-4 12094 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA77195  Eremalche rotundifolia F. W. Peirson 1921-04 2384 Riverside Deep Canyon Wash, south of Indio Comment
  UCR148313  Eremalche rotundifolia John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 23 and 24, at Kaiser RR trestle over the canal, between Salt Creek and Hunters Spring 23 Comment
  JEPS22518  Eremothera boothii subsp. condensata Rimo Bacigalupi with Paul Hutchison 1958-2-19 6192 Riverside 9.4 mi n Blythe; base of Big Maria Mts. 167 Comment
  UCSB4441  Eremothera boothii subsp. condensata Broder, Richard 1958-3-1 Riverside 1.5 miles south of south entrance to Joshua Tree National Monument on U.S. 60-70 Comment
  HSC101781  Eriastrum densifolium subsp. elongatum J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13183 Riverside Along Hwy. 74. 972 Comment
  SD132322  Eriastrum densifolium subsp. elongatum B. Pitzer, B. L. Phillips 1988-7-1 1481 Riverside Dripping Springs area, south of Vail Lake, north of Highway 79, and between Kolb and Arroyo Seco Creeks. 487 Comment
  JOTR32969  Eriastrum eremicum subsp. eremicum La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2720 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  CAS-BOT-BC514449  Eriastrum eremicum subsp. eremicum Philip A. Munz 1937-5-29 15148 Riverside Palms to Pine HIghway, Deep Canyon, Santa Rosa Mts. 1066 Comment
  CAS-BOT-BC514451  Eriastrum eremicum subsp. eremicum H. M. Hall 1901-6-1 2119 Riverside San Jacinto Mountains: eastern base, along the borders of the Colorado Desert Comment
  RSA0043247  Eriastrum sapphirinum subsp. dasyanthum Duncan S. Bell, J. D. England 2010-5-27 1124 Riverside San Bernardino National Forest: Rouse Ridge, approximately 0.8 air mile southeast of junction of Highway 74 and forest service road 5S15. 768 Comment
  RSA0122955  Eriastrum sapphirinum subsp. dasyanthum E. W. Lathrop 1968-6-2 6946 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1219 Comment
  RSA0122978  Eriastrum sapphirinum subsp. sapphirinum P. A. Munz 1922-7-4 5973 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  UCSB16706  Eriastrum sparsiflorum Dearing, Hugh; Dearing, Margaret 1940-6-9 Riverside East of Hemmet on the Palms to Pines Highway Comment
  RSA314172  Ericameria cuneata Walter Wisura 1983-11-12 3950 Riverside Along trail above Morris Ranch Rd., above Garner Valley, San Jacinto Mtns. Comment
  CAS-BOT-BC286792  Ericameria cuneata var. spathulata Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-24 255 Riverside East of so. end of Marion Ridge Rd., Pine Cove, Idyllwild, San Jacinto Mts. 1828 Comment
  SD255094  Ericameria cuneata var. spathulata Duncan S. Bell 2015-9-30 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  CAS-BOT-BC287637  Ericameria linearifolia C. B. Wolf 1931-5-11 1951 Riverside Ridges above Pipe Creek, above Hemet Valley, San Jacinto Mts 1676 Comment
  JOTR36388  Ericameria teretifolia La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3341 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 300 m from fork in road, up mouth of canyon Comment
  LA203163  Ericameria teretifolia Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside Palms-to-Pines Highway Comment
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Feb 27 2014
  SEINET9371077  Ericameria teretifolia Unknown 1936-12-24 36815 Riverside Riverside Comment
  UC219263  Erigeron divergens P. A. Munz and I. M. Johnston 1922-5-20 5469 Riverside Kenworthy San Jacinto Mts. 1402 Comment
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Mar 25 2011
  RSA6084  Erigeron foliosus C. B. Wolf 1932-5-25 3667 Riverside Flat at mouth of east fork of Snow Creek, N Base of San Jacinto Mountains 671 Comment
  RSA674564  Erigeron foliosus Scott D. White 2000-5-31 7984 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  UCR154443  Erigeron foliosus A. C. Sanders, Mike Misenhelter 2005-6-15 30978 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
  UCR174063  Erigeron foliosus A. C. Sanders 2006-5-19 32440 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  POM13090  Erigeron foliosus var. foliosus E. C. Jaeger 1921-06 s.n. Riverside San Jacinto Mts. McMullen Trail [Banning to McMullen Flat] Comment
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Nov 5 2011
  CAS-BOT-BC296246  Erigeron foliosus var. foliosus Peter H. Raven 1958-5-17 12935 Riverside 3.4 miles southeast of Banning on road to Idyllwild, San Jacinto Mountains Comment
  UCR240769  Erigeron philadelphicus Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 228 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  UCD65720  Eriochloa acuminata Prof McMinn 1927-10-12 Riverside Indio. Comment
  SEINET13710359  Eriodictyon crassifolium J. Adams, J. Adams (Botany) 1965-1 193 Riverside 2 Mi. Above Banning on Rd Toward Idyllwild 3500 Ft 1067 Comment
  CAS-BOT-BC248642  Eriogonum apiculatum Edmund C. Jaeger 1940-5-19 s.n. Riverside Falcon Flats, Joshua Tree National Monument 1432 Comment
  SD67905  Eriogonum apiculatum Reid Moran 1968-8-3 15355 Riverside at roadside, ridge 1 mile NW of Toro Peak 2250 Comment
  SDSU5921  Eriogonum apiculatum F. Youngberg 1933-8-26 Riverside Idyllwild, San Jacinto Mts. Comment
  SEINET7064411  Eriogonum cithariforme var. cithariforme A. G. Vestal 1963-5-19 s.n. Riverside Ca. 0.5 mile west of Cahuilla. (NAD83/WGS84). UTM Zone 11, 522925mE, 3711215mN. 1091 Comment
  JEPS56711  Eriogonum davidsonii Marjorie D. Clary 1932-5-25 1645 Riverside between Indio and Pinyon Well; Little San Bernardino Mts., Berdoo Canyon 609 Comment
  POM229032  Eriogonum davidsonii P. A. Munz 1937-5-29 15152 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  RSA393466  Eriogonum davidsonii N. C. Cooper 1944-5-20 1231 Riverside Pine Flats, Palms to Pines Highway. 1220 Comment
  UC597719  Eriogonum davidsonii Philip A. Munz 1937-5-29 15152 Riverside Deep Canyon Santa Rosa Mts., Deep Canyon 1066 Comment
  UCR243575  Eriogonum davidsonii Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21106 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley 1207 Comment
  SEINET11932637  Eriogonum davidsonii J. F. Emmel 1979-1 694 Riverside SE end Jacinte Mts S base of Sugarleaf Mt. near SE end of Pinyon Flat 1219 Comment
  RSA393275  Eriogonum deflexum var. baratum E. C. Jaeger 1922-3-16 s.n. Riverside Painted canyon, near Mecca. 91 Comment
  JOTR34328  Eriogonum deflexum var. deflexum Andre, Jim 2012-4-11 20832 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  RSA0043030  Eriogonum deflexum var. deflexum Duncan S. Bell, Loraine Washburn 2014-4-8 6574 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern/central section of range; approximately 2.25 air miles north of Clemens Well and Bradshaw Trail. 495 Comment
  RSA65158  Eriogonum elongatum J. T. Howell 1928-11-4 4089 Riverside San Gorgonio Pass, between Banning and Cabazon. Comment
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Mar 13 2011
  UCR204360  Eriogonum evanidum LeRoy Gross, Duncan Bell 2008-9-16 3584 Riverside Peninsular Range; San Jacinto Mountains, west side of Garner Valley, near Hwy 74, c. 0.25 mi north from Ramona trailhead parking area 1365 Comment
  CAS-BOT-BC249901  Eriogonum fasciculatum var. flavoviride D. A. Johansen; J. A. Ewan 1932-4-11 7087 Riverside Martinez Canyon, Santa Rosa Mts. 365 Comment
  SBBG23073  Eriogonum fasciculatum var. flavoviride D. Myrick 1965-3-4 1086 Riverside Morongo Wash, Coachella Valley 701 Comment
  CAS-BOT-BC249956  Eriogonum fasciculatum var. foliolosum P. A. Munz; R. D. Harwood 1920-2-28 3257 Riverside 3 mi west of Corona 335 Comment
  RSA393430  Eriogonum fasciculatum var. foliolosum N. C. Cooper 1944-7-15 1576 Riverside Banning. 701 Comment
  SDSU12922  Eriogonum fasciculatum var. foliolosum Jutta Buschbom 1991-5-1 46 Riverside SE-slope, N-Border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the fieldstation. Santa Margarita Ecological Reserve, Temecula. Comment
  POM197991  Eriogonum fasciculatum var. polifolium Donald A. Johansen, J. A. Ewan 1932-4-10 7048 Riverside Warrens Ranch at Whitewater. Comment
  CAS-BOT-BC253488  Eriogonum gracile P. A. Munz; E. K. Balls 1952-8-21 17966 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1371 Comment
  SBBG62100  Eriogonum gracile P. A. Munz 1928-9-6 11284 Riverside near Santa Ana River, Ontario to Corona Rd Comment
  RSA393246  Eriogonum gracile var. gracile Ann Grove 1980-10-8 9 ..10 Riverside Tenaja Ranger Station area, Rancho California, 7 miles northwest of Murrieta, southwest Riverside Co. Comment
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Dec 1 2014
  UCR140898  Eriogonum gracile var. gracile Virginia Moran 2003-7-17 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  POM12413  Eriogonum gracile var. incultum P. A. Munz 1922-9-6 6361 Riverside North of Dark Canyon. 1524 Comment
  RSA180361  Eriogonum gracile var. incultum E. W. Lathrop 1960-6-9 4973 Riverside 14 miles west of Murrieta. Comment
  RSA698435  Eriogonum inflatum Unspecified s.n. Riverside Indio. Comment
  RSA795943  Eriogonum inflatum Duncan S. Bell 2009-4-19 277 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  RSA0107471  Eriogonum inflatum var. deflatum Duncan S. Bell, Amanda Turek 2009-3-29 153 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  RSA480020  Eriogonum inflatum var. inflatum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2145 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  SBBG64004  Eriogonum inflatum var. inflatum M. N. Ackley -Feb-1926 870 Riverside near Edom 64 Comment
  SD95200  Eriogonum nidularium G. L. Webster, R. Hildreth 1966-12-9 7453 Riverside Joshua Tree National Monument parkland at Split Rock 1310 Comment
  RSA64581  Eriogonum reniforme F. W. Peirson 1928-4-24 7911 Riverside Cottonwood Springs, northern Colorado Desert Comment
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Oct 9 2010
  CAS-BOT-BC268552  Eriogonum saxatile Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  JOTR32352  Eriogonum saxatile La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2468 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (Stop 2) Comment
  RSA676112  Eriogonum thomasii Scott D. White 2001-4-3 8244 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SBBG1630  Eriogonum thomasii H. and M. Dearing 1940-1-1 4067 Riverside near Mecca Comment
  RSA526508  Eriogonum thurberi Steve Boyd, Tim S. Ross 1990-5-11 4703 A Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  CAS-BOT-BC263585  Eriogonum trichopes Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  UCR102942  Eriogonum trichopes var. trichopes George K. Helmkamp 1998-4-4 3142 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  CAS-BOT-BC268175  Eriogonum umbellatum var. minus Albert J. Perkins 1915-8-1 s.n. Riverside San Jacinto Mts. Comment
  UCR89535  Eriogonum wrightii Bern Schwenn 1994-4-9 s.n. Riverside Southern Mojave Desert, Little San Bernardino Mtns, Joshua Tree National Monument [now National Park]: 'Hidden Gold' Canyon below the Hidden Gold Mine. In 3rd canyon on N side 1085 Comment
  LA207117  Eriogonum wrightii var. membranaceum Elizabeth McClintock; 1938-8-1 sn Riverside San Jacinto Mountains, Trail to Hidden Lake Comment
  RSA520083  Eriogonum wrightii var. membranaceum Steve Boyd, Dave Bramlet 1988-10-8 2866 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  JOTR29225  Eriogonum wrightii var. nodosum La Doux, Tasha, Mike Bell 2005-9-15 1333 Riverside Joshua Tree National Park. Near Hidden Valley campground Comment
  POM224889  Eriogonum wrightii var. nodosum P. A. Munz 1936-5-5 14593 Riverside Whitewater Creek, 2 miles north of main Hwy, northeastern corner of Coachella Valley. Comment
  SBBG28182  Eriogonum wrightii var. nodosum M. F. Gilman 1932-11-30 11 Riverside Whitewater Pt Comment
  UCR215578  Eriogonum wrightii var. nodosum Tasha La Doux, Jim Andre 2008-9-16 340 Riverside Mojave Desert, Joshua Tree National Park, c. 0.3 mi. NW of Indian Cove Campground 934 Comment
  RSA182342  Eriophyllum ambiguum var. paleaceum J. D. Olmsted 1962-5-1 3432 Riverside W slope below Falls Plateau, Snow Canyon N of Mt. San Jacinto. 793 Comment
  POM306146  Eriophyllum confertiflorum Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1337 Riverside Santa Rosa Mountains. Comment
  SEINET2050884 Image available Eriophyllum confertiflorum Marc Mittleman 1982-5-25 Riverside Gentry Experimental Ranch, Los alamos Road, Murrieta 366 Comment
  CHSC89857  Eriophyllum confertiflorum var. confertiflorum L. P. Janeway 2004-5-8 8068 Riverside Peninsular Ranges. Santa Ana Mountains, Los Alamos Canyon near mouth of Wildhorse Canyon, where Wildomar Road crosses the creek. On steep northwest-facing slope above the road, bottom of the canyon. 421 Comment
  JOTR33939  Eriophyllum confertiflorum var. confertiflorum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2828 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  JOTR34189  Eriophyllum confertiflorum var. confertiflorum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2983 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
  POM359848  Eriophyllum multicaule Steve Boyd 1986-4-2 1638 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park 610 Comment
  RSA12919  Eriophyllum multicaule C. B. Wolf 1935-4-7 6309 Riverside 2 mi. SW of Perris. 427 Comment
  RSA395357  Eriophyllum multicaule Steve Boyd 1986-4-22 1741 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  UC896343  Eriophyllum multicaule P. A. Munz 1922-4-29 5080 Riverside Leach Canyon Santa Ana Mts., Leach Canyon 548 Comment
  JEPS16684  Eriophyllum wallacei Rimo Bacigalupi with R. S. Ferris and R. W. Holm 1953-4-20 4042 Riverside 3 mi n Shavers Summit (gravel of wash close to head of Lost Palms Canyon); Joshua Tree National Monument 762 Comment
  POM358162  Eriophyllum wallacei Miss Hutchinson 1926-05 s.n. Riverside Colorado Desert, Mecca. Comment
  UCR84657  Eriophyllum wallacei Scott D. White, S. Ogg 1994-4-21 2006 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR92699  Erodium botrys A. C. Sanders, O. F. Clarke 1996-4-13 18037 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  JOTR35927  Erodium cicutarium De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6875 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 905 Comment
  UCD103199  Erodium cicutarium Barry Priggs; L. Martinez 1978-3-23 2400 Riverside NW Colorado Desert, Coachella Valley, 1.7 miles W of North Palm Springs on Dillon Rd. 274 Comment
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Sep 9 2013
  UCR97892  Erodium cicutarium A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19845 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR140304  Erodium moschatum A. C. Sanders, Guy Bruyea 2004-4-2 27415 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  SEINET13752389  Erodium texanum Heather Breakiron 2017-3-21 1 Riverside 11 miles southwest of Blythe, CA Comment
  UCR274557  Erodium texanum R. E. Riefner Jr., Ileene Anderson 2005-4-14 05- 198 Riverside City of Hemet, hills east of Winchester Rd. and west of MWD canal [south of Hwy 74] 593 Comment
  UCR249924  Erodium trifolium A. C. Sanders, Steve Boyd 2009-4-9 36793 Riverside Riverside, Beechwood Place between Brockton Ave. and Palm Ave. 252 Comment
  RSA286798  Eryngium aristulatum var. parishii R. F. Thorne 1974-5-23 44662 Riverside Santa Rosa Plateau, Rancho California: top of Mesa de Colorado 625 Comment
  RSA651370  Erysimum capitatum Richard Clark 1969-5-24 s.n. Riverside Lk. Filmore; Palms to Pines Hwy. Comment
  UCR120626  Erysimum capitatum Steve Boyd, K. A. Boyd, C. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2265 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA0016060  Erythranthe breweri N. C. Cooper 1944-7-16 1567 Riverside Above Pine Cove, San Jacinto Mtns. 1829 Comment
  SD70913  Erythranthe cardinalis Helen V. Witham 1969-7-2 175 Riverside edge of water. De Luz Creek crossing, 4 mil. N. of De Luz 249 Comment
  RSA0020241  Erythranthe floribunda Kenneth Burden 1949-7-4 s.n. Riverside Damp soil along trail between Idyllwild to Tahquitz Meadow. 2134 Comment
  RSA0020083  Erythranthe moschata P. A. Munz 1938-8-14 15353 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  UCR89834  Eschscholzia caespitosa Scott D. White 1993-5-27 1431 A Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  RSA433693  Eschscholzia californica Ora M. Clark 1929-2-24 1512 Riverside Cabazon, Colorado Desert. Comment
  RSA585879  Eschscholzia californica D. L. Banks, Peter Morrell 1995-5-4 313 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, SE of the Dripping Springs Campground., On Arkose hills at the N base of the metasedimentary hills N of Wildhorse Peak. 537 Comment
  RSA0078687  Eschscholzia minutiflora Jim M. Andre 2015-3-2 31353 Riverside Along Kolbe Rd (dirt), northwest end of Coachella Valley at foot of Little SnBr Mtns, 0.2 mi. west of intersection between Hwy 62 and Indian Avenue (road to Desert Hot Springs), 2.3 mi. south of San Bernardino county line. 528 Comment
  UCSB3647  Eschscholzia minutiflora Haller, John 1957-3-23 Riverside ca.4.5 rd. mi. N. of US 99; 3 air mi. S. of Riverside-San Bernardino Co. line 609 Comment
  RSA445444  Eschscholzia minutiflora var. darwinensis N. C. Cooper 1949-4-8 3251 Riverside Mecca Pass east of Indio. 610 Comment
  UCD96498  Eschscholzia papastillii Shannon M. Still 2009-4-19 546 A Riverside California. Riverside County: Joshua Tree National Park. Next to stone outcropping off of Old Dale Road. 724 Comment
  UCD96514  Eschscholzia papastillii Shannon M. Still; Robert Lee 2009-3-3 452 Riverside California. Riverside County: Joshua Tree National Park. 537 Comment
  UC1202952  Eschscholzia parishii Peter H. Raven 1958-1-25 11478 Riverside Box Canyon Comment
  UC855186  Eschscholzia parishii Ivan Johnston 1917-4-4 1003 Riverside Palm Canyon Colorado Desert 304 Comment
  SBBG104165  Escobaria vivipara var. alversonii E. R. Blakley 1993-5-20 7567 Riverside Pinto Mtns, E of White Tank Cmpgrd, Joshua Tree Nat Monument Comment
  UC403435  Escobaria vivipara var. alversonii Marcus E. Jones 1926-4 Riverside e Shaver's Well; Colorado Desert Comment
  UCR111739  Eucalyptus camaldulensis S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  OBI69833  Eucalyptus globulus Jenn Yost and Matt Ritter, Matt Ritter 8-Apr 34 Riverside Temescal Canyon Rd and I5 S, old plantation Comment
  UCR98071  Eucrypta chrysanthemifolia A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19900 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  POM305588  Eucrypta micrantha Henry J. Ramsey, Henry J. Ramsey 1937-3-2 894 Riverside Blythe, Colorado River bluffs. Comment
  SEINET10689684  Euonymus occidentalis var. parishii Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-16 Meyer 19 Riverside San Bernardino National Forest. Fuller Mill Creek. Calocedrus decurrens forest, 17.6 m S on Hwy 243 (off of I-10). 1572 Comment
  SD211602  Euphorbia Louis C. Wheeler 1950-4-7 6759 Riverside Circa 3 miles West of Dale Lake, just West of two pumping plants on main 29 Palms - Amboy Road. Comment
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Aug 15 2012
  UCR140445  Euphorbia albomarginata A. C. Sanders 2004-4-9 27464 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
  UCR191541  Euphorbia albomarginata A. C. Sanders 2008-4-15 34888 Riverside Peninsular Range, NE edge of city of Elsinore, off Nichols Rd. along Baker St., near Durant Siding 391 Comment
  UCR265821  Euphorbia albomarginata Mitch Provance 2012-5-24 512- 02 B Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  CLARK-A1528-437  Euphorbia eriantha Olga Kersteiner 1964-5-17 Riverside Aguanga Comment
  RSA792560  Euphorbia eriantha Duncan S. Bell 2012-9-13 4187 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
  UCR28985  Euphorbia micromera A. C. Sanders 1982-12-19 3452 A Riverside Sonoran (Colorado) Desert, foot of Santa Rosa Mtns, Coachella Valley, south side of the ridge forming the south boundary of Martinez Canyon; west end of Ave 74, 2.6 miles west of Polk Street 122 Comment
  RSA575852  Euphorbia ocellata subsp. ocellata Steve Boyd 1983-7-13 s.n. Riverside Gavilan Hills region, south shore of Lake Mathews. 588 Comment
  UC162561  Euphorbia palmeri H. M. Hall 1898-6-30 Riverside s side San Jacinto Mountains 1600 Comment
  CLARK-A1703-71  Euphorbia polycarpa T. R. Plumb 1964-2-23 Riverside Riverside 426 Comment
  UCR139613  Euphorbia polycarpa A. C. Sanders 2004-7-1 28384 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., c. 5 miles due south of Sun City 488 Comment
  UCR21986  Euphorbia polycarpa Steve Boyd 1980-7-20 339 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR41267  Euphorbia prostrata A. C. Sanders 1982-6-12 2714 Riverside Riverside, residential garden, 422 Campus View Drive 335 Comment
  UCR193879  Euphorbia serpillifolia A. C. Sanders, Mitch Provance 2008-7-11 35770 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  UCD142855  Euphorbia setiloba Geoffrey Levin 1976-10-17 1168 Riverside Box Canyon, about 11 miles east of Mecca. Mecca Hills Mountain Range. 91 Comment
  SEINET955801  Fabaceae F. A. Thackery 1927-1 a- 275 Riverside Banning, heights Comment
  HSC65735  Fagonia laevis B. A. Prigge, L. Martinez 1978-3-23 2428 Riverside NW Colorado Desert, 1.2 miles E of Sky Valley, near Dillon X Skyridge Roads. 335 Comment
  UC667351  Fagonia laevis Annie M. Alexander and Louise Kellogg 1941-5-26 2235 Riverside n wall Munsen Canyon; Eagle Mts. 822 Comment
  JEPS43399  Fagonia pachyacantha E. E. Schellenger May 1920 Riverside canyon e Coachella; Colorado Desert Comment
  UCR127576  Festuca microstachys D. E. Bramlet 2003-4-18 3373 Riverside Base of San Jacinto Mtns., 2,348m south of Cabazon, 2,012m northwest of Cabazon Peak, and 183m northwest of the Colorado River Aqueduct 548 Comment
  LA13103  Festuca myuros F. M. Reed; 1906-3-7 897 Riverside above Victoria's Ave Comment
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Jan 18 2014
  UCR156298  Festuca myuros T. B. Salvato, Kent Beaman 2005-5-16 831 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
  UCR171957  Festuca myuros John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  JOTR35351  Festuca octoflora Andre, Jim 2012-4-11 20680 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
  UCR104930  Festuca octoflora A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20640 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR155830  Filago gallica John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  RSA653050  Foeniculum vulgare A. C. Sanders, D. Bramlet, E. J. Lawlor, C. L. Sanders 2000-1-16 23309 Riverside campground and boat launching area on the east side of Lake Skinner 457 Comment
  RSA1241  Forestiera pubescens B. D. Stark 1930-3-17 1486 a Riverside Cajalco District, Riverside County. Comment
  HSC47601  Fouquieria splendens R. W. Spjut 1978-5-10 5036 Riverside Colorado Desert, N face of Chuckawalla Mtns., 2.7 mi. S of Desert Center. 335 Comment
  CAS-BOT-BC223603  Fouquieria splendens subsp. splendens W. L. Jepson 1912-1-1 5251 Riverside Black Point, Riverside Mts. Comment
  JEPS45782  Fouquieria splendens subsp. splendens W. L. Jepson 1912-10-30 5251 Riverside Black Point; Riverside Mts. 45 Comment
  RSA659176  Fragaria vesca subsp. californica Bob Rogers 1984-5-5 30 Riverside Along a trail bordering the west side of Fuller Mill Creek heading upstream. Starting point was on the North side of Hwy 243, 11.6 miles from hwy 74/hwy 243 jctn. 1524 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
  UCR139625  Frankenia salina A. C. Sanders 2004-7-1 28379 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, c. 1.5 mile NW of the "Menifee-Antelope Community Hall", 0.6 mi. east of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and c. 5 miles due south of Sun City 457 Comment
  RSA392145  Frasera parryi Albert J. Perkins 1916-8-4 s.n. Riverside Near Idyllwild, Fern Valley Comment
  LA50896  Fraxinus dipetala Carl Epling; 1943-3-27 sn Riverside 4 mi. W of Elsinore, on Ortega Highway Comment
  POM3542  Fraxinus velutina var. coriacea I. M. Johnston 1917-12-1 1804 Riverside Santa Ana River, NW of Corona. 183 Comment
  UCR218068  Fritillaria biflora Steve Boyd 2010-5-28 12283 Riverside Santa Ana Mountains, Elsinore Peak, southeast of peak, north of trail along ''old Main Divide Road'' east of road up to communications towers 1012 Comment
  SDSU12985  Funastrum cynanchoides var. hartwegii Michael G. Simpson with Claudia A. Luke 1999-10-27 2014 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/4 mile from Southside Facilities. 152 Comment
  JOTR34258  Funastrum hirtellum La Doux, Tasha, M. Harding 2010-4-7 2923 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  POM127906  Funastrum hirtellum Joseph Grinnell 1910-3-18 s.n. Riverside Riverside Mt. Colorado River. Rocky hillside. Comment
  RSA114356  Funastrum hirtellum P. C. Everett, E. K. Balls 1956-5-2 21558 Riverside in sun, in sandy wash; with Fouwuieria, Krameria, Olneya; 0.8 mi. N of juct. 60/70 along road to Eagle Mt. Pumping Sta. 366 Comment
  RSA550355  Funastrum hirtellum W. Wisura 1992-3-24 4633 Riverside 13.1 mi NE of Mecca on Box Canyon Rd. seed voucher Comment
  RSA696503  Funastrum hirtellum J. R. Bruff 1927-11-26 23 Riverside 10 miles south of 29 Palms Comment
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Nov 19 2011
  RSA0035482  Galium angustifolium A. C. Sanders 2013-7-6 40855 Riverside SE of Idyllwild on South Ridge along FS Rd. 5S11, at junction with small side road 1905 Comment
  UCR158137  Galium angustifolium A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30119 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
  RSA652668  Galium angustifolium C. J. Humphrey, Herbert Humphery, E. T. Bartholomew 1936-6-7 354 Riverside In desert 15 miles north [E?] of Riverside 366 Comment
  JEPS56035  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1967-3-19 4331 Riverside e-facing slope s Temecula (just n of county line) Comment
  UCR22158  Galium angustifolium subsp. angustifolium Steve Boyd 1980-5-11 249 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  CAS-BOT-BC223056  Galium angustifolium subsp. gracillimum Alice Eastwood 1913-4-30 3027 Riverside Palm Springs Comment
  RSA543749  Galium angustifolium subsp. gracillimum Steve D. Boyd, Tim S. Ross, Mike Hammit 1991-5-2 6053 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
  UCR146246  Galium angustifolium subsp. jacinticum R. F. Thorne, Et al. 1969-6-24 38134 Riverside Peninsular Ranges; San Jacinto Mountains, San Bernardino National Forest. Hilltop above Lake Fulmor 1677 Comment
  UC64374  Galium aparine H. M. Hall June 1901 2091 Riverside south side San Jacinto Mountains 1524 Comment
  JEPS52918  Galium californicum subsp. primum Lauramay T. Dempster and Clare Hardham 1965-6-18 4133 Riverside on road to Alvin Meadow from Idyllwild Comment
  JOTR33778  Galium multiflorum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2930 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (stop 3) Comment
  RSA508020  Galium porrigens var. porrigens Steve D. Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2288 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  POM14223  Galium stellatum Philip A. Munz, D. D. Keck 1922-4-9 4792 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
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Apr 5 2011
  UCR157945  Gamochaeta pensylvanica T. B. Salvato, A. C. Sanders 2005-5-17 914 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
  JOTR30285  Garrya flavescens Bell, Mike, Kathleen White 2007-3-20 s.n. Riverside Joshua Tree National Park. Eureka Peak Comment
  LA93407  Garrya flavescens Nancy Ryan Zabriskie; Walter Zabriskie 1972-10-22 545 Riverside Santa Rosa Mountains, by Cactus Spring Trail crossing of Horsethief Creek, trubutary to Deep Canyon, N slope of mountains (Site 13) 1097 Comment
  UC511835  Garrya flavescens Frank W. Peirson 1933-4-13 10644 Riverside road from Deep Canyon to Idyllwild 1524 Comment
  UCR274225  Garrya flavescens Duncan S. Bell 2014-11-14 7706 Riverside Santa Rosa Mountains, Santa Rosa Mountain Wilderness area, west side of Martinez Mountain, at meeting point of Horsethief Creek and the Cactus Spring Trail 1055 Comment
  CLARK-A1656-686  Garrya fremontii Milton Walker 1978-2-5 Riverside San Gorgonio Pass 761 Comment
  RSA343109  Gastridium phleoides R. F. Thorne, Walter Wisura, Lathrop, Meury 1985-5-18 60647 Riverside Santa Rosa Plateau: Mesa de Colorado 625 Comment
  UCR2432  Gastridium ventricosum F. M. Reed 1907-5-29 1361 Riverside Riverside, along Box Springs Blvd. above Gage Canal Comment
  RSA5216  Gayophytum heterozygum Carl B. Wolf 1932-8-4 3912 Riverside San Jacinto Mountains: Point View near Idyllwild 1646 Comment
  UCR87852  Gayophytum heterozygum Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  RSA391013  Geranium richardsonii Anstruther Davidson 1876-6-7 1905 Riverside Strawberry Valley. San Jacinto Mt. Comment
  CLARK-A1528-3502  Gilia angelensis John C. Roos 1952-4-2 5460 Riverside Box Springs 487 Comment
  RSA470109  Gilia angelensis Anonymous 1909-05 1931 Riverside Fairmont Hill [now North Hill, Riverside] Comment
  UCR3356  Gilia capitata Heidi A. Haid 1964-5-15 64515- 05 Riverside San Bernardino Valley, Reche Canyon Road, c. 5 mi. from junction with Barton Road 610 Comment
  RSA748919  Gilia capitata subsp. abrotanifolia Peter L. Morrell, D. L. Banks 1995-5-4 461 Riverside Agua Tibia Wilderness Area, 2.4 mi. (air) WSW of Radec 622 Comment
  UC218261  Gilia capitata subsp. abrotanifolia P. A. Munz and I. M. Johnston 1922-5-19 5434 Riverside Hemet Valley , Hemet Valley (San Jacinto Mts.) 1402 Comment
  RSA0016289  Gilia ochroleuca subsp. exilis Scott D. White, Justin M. Wood 2008-6-18 12210 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  UC310474  Gilia ochroleuca subsp. exilis Philip A. Munz 1926-4-30 10376 Riverside river bottom near Temecula (sandy bottom); river bottom near Temecula Comment
  UC908024  Gilia ochroleuca subsp. exilis Frank W. Peirson 1928-3-24 7725 Riverside near Auto Camp (Temescal Canyon); Temescal Canyon 304 Comment
  UCR64665  Gilia ochroleuca subsp. exilis N. M. Fellows, A. C. Sanders 1985-4-9 142 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  JOTR35153  Gilia stellata La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3265 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  RSA469731  Gilia stellata M. B. Dunkle 1935-3-31 4430 Riverside Pinto Basin. 915 Comment
  UC879878  Gilia stellata C. L. Hitchcock 1940-4-3 5931 Riverside along 29 Palms Road 1 1/2 mi ne Cottonwood Spring (Joshua Tree National Monument); Johusa Tree National Monument, ne of Cottonwood Spring Comment
  UCR60709  Gilia stellata R. F. Thorne, M. Z. Thorne 1973-3-30 42592 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  RSA718873  Gilia stellata Michael Honer, L. Hulse 2005-3-7 2032 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 488 Comment
  UCR159253  Gnaphalium californicum A. C. Sanders, Kelly Volansky 2005-8-31 31582 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  UCR91453  Gnaphalium californicum Scott D. White 1995-3-30 2671 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  RSA0043398  Gnaphalium californicum Margaret Murphy 1983-5-15 0028 -C Riverside North section of parcel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  POM153364  Gnaphalium leucocephalum P. A. Munz, I. M. Johnston 1928-9-12 11248 Riverside Temescal Canyon. Comment
  UCR133325  Gnaphalium luteoalbum 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
  RSA556437  Gnaphalium palustre Julie Greene 1993-4-17 1194 Riverside West of Davis Road. 433 Comment
  UC32013  Gnaphalium palustre H. M. Hall 1901-1-1 2666 Riverside San Jacinto Mountains Southern California, San Jacinto Mountains Comment
  UCR231778  Gnaphalium palustre John F. Green 2008-4-23 08- 22 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UCR241400  Gnaphalium palustre T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7453 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  UCR34920  Gnaphalium palustre L. B. Ziegler 1969-6-10 379 Riverside San Jacinto Mtns., Hemet Valley (= Garner Valley) 1433 Comment
  UCR94940  Gnaphalium stramineum Scott D. White 1996-8-15 4474 Riverside San Jacinto Mtns., Idyllwild area: USFS Rd. 5S10 at jct w/ foot trail 2E16, at an intermittent stream channel. 1646 Comment
  POM118627  Guillenia lasiophylla Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  CLARK-A1528-1863  Gutierrezia bracteata John C. Roos 1937-7-11 1506 Riverside Reche Canyon Comment
  CAS-BOT-BC302090  Gutierrezia microcephala Carl B. Wolf 1932-10-13 4313 Riverside Colorado Desert. Eagle Mts. Cottonwood Springs 289 Comment
  RSA0094193  Gutierrezia sarothrae Duncan S. Bell, Evan Meyer 2014-10-29 7680 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  RSA500143  Gutierrezia sarothrae Steve Boyd, L. Arnseth 1989-6-4 3653 Riverside Vail Lake area, W base of hills between Temecula and Wilson Creeks. 488 Comment
  UC63195  Gutierrezia sarothrae W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Box Springs 457 Comment
  RSA702272  Hainardia cylindrica Gary D. Wallace, B. Gustafson, T. Thomas 1983-6-23 2082 Riverside Santa Rosa Plateau, Mesa de Burro. Comment
  UCR199699  Haplopappus menziesii Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10667 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  SEINET3242791 Image available Harpagonella palmeri Steve Boyd 1986-1 1767 Riverside Temescal Canyon: Terrace escarpment E side of Indian Wash, S of I-15. Comment
  UCR58852  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3206 Riverside Peninsular Range, Vail Lake area, W end of bench on S flank of Oak Mtn. 549 Comment
  RSA0066602  Harpagonella palmeri Steve Boyd 1992-4-18 6901 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd and Scott Rd. Comment
  CLARK-A1045-867  Helianthemum scoparium George K. Helmkamp 1978-6-1 #2 Riverside Santa Ana Mountains off of De Luz Road near [southeast of] Mesa de Burro; ; Murrieta 7.5'Q 487 Comment
  CAS-BOT-BC305360  Helianthus annuus Lewis S. Rose 1966-12-11 66095 Riverside Palm Springs 152 Comment
  SEINET10757378  Helianthus annuus Billy Joe Cox 1975-10-10 Cox 4210 Riverside Riverside-Imperial counties. Palo Verde, 1-3 km W, (ca. 32 km S of Blythe). 70 Comment
  RSA396470  Helianthus gracilentus Walter Wisura 1987-5-21 4153 Riverside 5.3 miles fr Hwy 243 along old Idyllwild rd. Comment
  UC1532826  Heliotropium curassavicum Robert F. Thorne, C. W. Tilforth, L. DeBuhr and E. Lathrop 1975-8-29 47310 Riverside Santa Rosa Plateau, Mesa de Burro, Rancho California 609 Comment
  RSA656546  Hemizonia fasciculata A. C. Sanders 2000-5-25 23412 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
  UCR121807  Hemizonia fasciculata A. C. Sanders, Carolyn Washburn 2001-4-17 24061 Riverside San Jacinto Valley, southwest edge of Hemet, NW of intersection of Stowe Rd. and California Av., 2 miles NE of Winchester 457 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
  RSA678266  Hemizonia mohavensis Valerie L. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1067 -b Riverside McCall Memorial Park Campground. 1311 Comment
  UCR177120  Hemizonia paniculata Kent Beaman 1998-9-1 s.n. Riverside Peninsular Range; Gavilan Plateau, west of Perris off Ellis Rd., Santa Rosa Mine Rd. near Maywood Gun Club 671 Comment
  UCR58884  Hemizonia paniculata Ed LaRue 1989-5-8 s.n. Riverside Peninsular Range, Mockingbird Canyon area, south of Van Buren Blvd and c. 1/2 mi (airline) east of Mockingbird Canyon Road. Comment
  POM47987  Hemizonia pungens subsp. laevis P. A. Munz 1924-6-21 8199 Riverside Temecula Canyon. Comment
  UCR90603  Hemizonia pungens subsp. laevis Scott D. White 1995-6-29 3395 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  RSA778492  Hesperocallis undulata Duncan S. Bell 2009-3-8 59 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  RSA0049544  Hesperocallis undulata Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2222 Riverside Northwest end of the McCoy Mountains, NW of Blackjack Mine. 400 Comment
  SD212657  Hesperolinon micranthum A. C. Sanders 2006-5-19 32389 Riverside Hills between Murrieta and Menifee Valley, West of I-215, South of Bundy Canyon/Scott Road and North of Clinton Keith Road 518 Comment
  UCR117350  Heterotheca grandiflora Mitch Provance 1998-6-11 662 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  SD5295  Heterotheca sessiliflora var. sanjacintensis F. Youngbery 1933-8-28 Riverside Idyllwild, San Jacinto Mts. Comment
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Mar 10 2014
  CAS-BOT-BC206630  Heuchera hirsutissima Carl B. Wolf 1932-8-5 3977 Riverside Summit of San Jacinto Peak, San Jacinto Mountains 3293 Comment
  RSA0066124  Heuchera hirsutissima L. B. Ziegler 1969-7-1 s.n. Riverside North face of San Jacinto Mts. 2346 Comment
  RSA0124820  Hibiscus denudatus Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8752 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 4.5 air miles east northeast of the summit of Martinez Mountain. 230 Comment
  SBBG29420  Hibiscus denudatus D. Myrick 1968-3-3 1798 Riverside side cyn of Box Cyn E of Mecca 457 Comment
  SFV6345  Hibiscus denudatus T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 61 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Comment
  RSA627521  Hieracium albiflorum Scott D. White, Julie Greene 1998-8-1 6971 Riverside Idyllwild area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Dr. and Humber Park. 1829 Comment
  POM360477  Hieracium horridum M. B. Dunkle 1933-7-19 3685 Riverside Tahquitz Ridge, San Jacinto Mts 2500 Comment
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Feb 12 2009
  UCR214699  Hilaria rigida A. C. Sanders 2010-3-23 37544 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  UCR281014  Hilaria rigida Fred M. Roberts 2016-3-5 7988 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: west end, 4.3 km E Palen Pass and 2.2 km W 'Peak 602" 113 Comment
  JEPS15378  Hoffmannseggia glauca Joseph and Hilda Grinnell 1937-11-30 1087 a Riverside 24 mi w of Blythe; Ford Dry Lake 106 Comment
  CAS-BOT-BC207567  Hoffmannseggia microphylla M. E. Jones 1906-4-27 s.n. Riverside Indio Comment
  LA45782  Hoffmannseggia microphylla Norman C. Cooper; 1944-5-20 2621 Riverside San Jacinto Mountains, Palms to Pines Highway 304 Comment
  SBBG95145  Hoita macrostachya M. Hales 1977-11-6 Riverside Oasis de Los Osos, Snow Crk Cyn Comment
  UC1523647  Holocarpha virgata subsp. elongata Robert F. Thorne, Steve Boyd, and Earl Lathrop 1985-7-18 61185 Riverside Cole canyon; Santa Rosa Reserve, Nature Conservancy Reserve 535 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
  RSA654572  Hordeum brachyantherum Marion P. Harthill 1976-5-6 s.n. Riverside Rancho California. [county not specified] 610 Comment
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May 20 2012
  POM14417  Hordeum depressum P. A. Munz, I. M. Johnston 1922-5-18 5322 Riverside 3 miles south of Glen Ivy [now Glen Ivy Hot Springs]. Comment
  POM230989  Horsfordia alata Marjorie D. Clary 1932-1-22 173 -a Riverside Canyons southwest of Coral Reef Ranch, Coachella, at base of Santa Rosa Mountains 152 Comment
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Apr 4 2011
  SD137871  Hulsea heterochroma Darin L. Banks, Steve Boyd 1995-6-2 564 Riverside Agua Tibia Mountains,Cleveland National Forest, Woodchuck Trail north of the Riverside County boundary, Ca. 1/4 mile south of clay grasslands 904 Comment
  LA203773  Hulsea vestita subsp. callicarpha Norman C. Cooper; 1944-7-16 1556 Riverside San Jacinto Mountains, above Pine Cove 2072 Comment
  RSA396464  Hulsea vestita subsp. callicarpha Walter Wisura 1987-5-21 4159 Riverside 5.5 mi fr. Hwy. 74 along forestry rd. 6S13, S of Lake Hemet towards Thomas Mt. San Jacinto Range. Comment
  SEINET480190  Hulsea vestita subsp. callicarpha D. Wilken 1969-6-30 Riverside 1 mile south of Idyllwild, along Riverside County Road R1, San Jacinto Mtns. Comment
  UCR186852  Hulsea vestita subsp. callicarpha Naomi Fraga, Steve Boyd, Sarah M. Siedschlag 2006-5-22 1681 Riverside San Jacinto Mountains, On road that leads to Duchess Canyon, east of Fobes Ranch 1677 Comment
  UCSB26736  Hulsea vestita subsp. callicarpha Wilken, Dieter 1969-6-30 Riverside Along road to Toro Peak, 5.9 miles south of California State Highway 74, Santa Rosa Mtns. 2346 Comment
  OBI37561  Hydrocotyle ranunculoides Steve Boyd 1985-8-7 1107 Riverside Santa Rosa Plateau region, NW base of Redonda mesa on Tenaja Rd, 0.8 mi E ofjtn with 8S01 and 8S02 Comment
  UCR100578  Hydrocotyle umbellata A. C. Sanders, T. Tennant 1997-11-14 21598 Riverside San Bernardino Mtns., Morongo Indian Reservation, W end of Burro Flats 1159 Comment
  POM361075  Hymenoclea salsola M. B. Dunkle 1935-4-17 4554 Riverside W. of Wiley Well. Colorado Desert. Comment
  RSA314637  Hypochaeris glabra R. F. Thorne, Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55454 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  JEPS63298  Hyptis emoryi Mary Beal 1941-4-6 864 Riverside Colorado Desert, Coachella Valley, Box Canyon, Mecca Hills Box Canyon; Colorado Desert, Coachella Valley, Box Canyon Comment
  UC218091  Hyptis emoryi P. A. Munz and D. Keck 1922-4-9 4767 Riverside near Mecca (Shavers Well); Shavers Well 76 Comment
  UCR75068  Hyptis emoryi A. C. Sanders, E. J. Lawlor 1992-4-4 12113 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UC134758  Isocoma acradenia var. bracteosa J. W. Toumey 1894-9-27 19 Riverside Banning Comment
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Mar 13 2011
  CAS-BOT-BC311612  Isocoma acradenia var. eremophila H. S. Gentry 1936-11-1 2961 Riverside W side of Colorado Desert 152 Comment
  RSA770794  Isocoma acradenia var. eremophila Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4534 -a Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR238739  Isocoma menziesii A. C. Sanders, John F. Green 2012-6-25 40306 Riverside Peninsular Range; Santa Ana Mtns. Region, small canyon east of Horsethief Canyon Rd., below end of Kicking Horse Dr. & Caravan Circle 389 Comment
  RSA234054  Isoetes howellii R. F. Thorne, E. W. Lathrop 1969-5-12 37930 Riverside Santa Rosa Plateau: Large vernal marsh on S end of Mesa de Colorado, Rancho California 625 Comment
  CSUSB721  Isomeris arborea David M. Peterson 1966-2-20 660220 12 Riverside 8 miles northeast of Mecca in Box Canyon, on Mecca-to-Joshua Tree National Monument Road. 170 Comment
  UC400191  Isomeris arborea Ynes Mexia 1929-2-16 2325 Riverside Palm Springs; Colorado Desert Comment
  UCR234279  Iva axillaris A. C. Sanders, T. B. Salvato 2012-4-27 40096 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy/I-15 and Indian Truck Trail, c. 500 m SE of El Hermano Rd. 325 Comment
  UCR96093  Iva axillaris G. R. Ballmer, K. T. Stockwell 1996-6-1 s.n. Riverside E of Murrieta: Warm Springs Creek c. 1/2 way between Murrieta Hot Springs Rd. and Los Alamos Rd. 366 Comment
  POM361291  Iva axillaris subsp. robustior N. C. Cooper 1944-7-15 1594 Riverside Palms to Pines Highway, San Jacinto Mountains. 1372 Comment
  UCR266483  Iva axillaris subsp. robustior Mitch Provance, Eric Kline 2015-3-26 315- 46 Riverside Temecula/Murrieta Region, Murrieta/Menifee boundary, Warm Springs Creek, SE corner of Clinton Keith Rd. and Jeanette Dr. 392 Comment
  UC1523439  Ivesia saxosa Robert F. Thorne, Rolf and Gertrud Dahlgren 1979-8-22 53577 Riverside base of Ryan Mountains (vicinity of Ryan Camp); Joshua Tree National Monument 1341 Comment
  UC570880  Jepsonia parryi Herbert L. Mason 1926-5-1 3199 Riverside Temecula Valley Comment
  SEINET959354  Juglans californica Jennifer H. Jones, Janine Amaya and Thi (Teresa) Bui. 2006-1 263 Riverside San Bernardino Valley: Hills S of Loma Linda; Hulda Crooks Park, Barton Rd. and Mountain View Ave., s down service road (powerline access road) in Scott Canyon (Redlands 7.5 Q) 427 Comment
  POM1559  Juncus acutus subsp. leopoldii I. M. Johnston 1917-4-4 s.n. Riverside Colorado Desert. Palm Canyon. 244 Comment
  SEINET10533289  Juncus acutus var. sphaerocarpus David B. Dunn 1946-3-17 Dunn 2102 Riverside In marshy area at pushawalla palms springs. Indio hills Comment
  RSA85105  Juncus bufonius J. C. Roos 1952-4-30 5602 Riverside Between Camp Haan and Riverside 534 Comment
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Feb 20 2007
  UCR174345  Juncus bufonius var. congestus A. C. Sanders 2006-5-19 32400 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
  PASA627  Juncus canaliculatus Frank W. Peirson 1924-7-28 Riverside Pine Flats Camp, San Jacinto Mts. 1798 Comment
  UCR163044  Juncus dubius 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
  RSA19144  Juncus effusus subsp. austrocalifornicus E. W. Lathrop, Robert F. Thorne 1967-9-26 6628 Riverside 6 miles NW of Murrieta. Comment
  GMDRC6564  Juncus macrophyllus J. M. Andre 2012-6-15 30519 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  POM14977  Juncus oxymeris Mary F. Spencer 1922-6-17 1986 Riverside Idyllwild, San Jacinto Mountains. 1677 Comment
  UC1105690  Juncus textilis E. K. Balls and P. C. Everett 1957-11-13 22800 Riverside n side Snow Creek 701 Comment
  RSA737221  Juncus xiphioides Justin M. Wood 2008-9-30 179 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA772576  Juniperus californica Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5053 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
  RSA398813  Justicia californica H. de Forest 1924-4-13 s.n. Riverside Tahquitz Canyon. Comment
  RSA298692  Keckiella antirrhinoides D. C. Michener 1982-5-24 4046 Riverside Disturbed chaparral along the Ortera Hwy (Ca 74) 1.3 miles jct with Grand Ave. by Lake Elsinore. [Voucher 220 Gracilaria, 220w] Comment
  RSA528069  Keckiella antirrhinoides Scott D. White 1991-4-10 91 -59 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, and S of Cactus Valley Road. 610 Comment
  SD143711  Keckiella antirrhinoides Andy C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20698 Riverside San Jacinto Mountains: N side of the range, Twin Pines Creek below the confluence with Brown Crk. 854 Comment
  UCD123748  Keckiella antirrhinoides A. C. Sanders; T. B. Salvato 2001-5-3 24083 Riverside Perris-Aguanga Basin region: Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley. 494 Comment
  CAS-BOT-BC236716  Keckiella antirrhinoides subsp. antirrhinoides John Thomas Howell 1930-5-10 4796 Riverside Top of St. John's Grade Comment
  CAS-BOT-BC236728  Keckiella antirrhinoides subsp. microphylla Philip A. Munz 1937-5-29 15149 Riverside Deep Canyon, north slope of Santa Rosa Mts. 1066 Comment
  JEPS100903  Keckiella antirrhinoides var. antirrhinoides Dean W. Taylor 1998-5-13 16429 Riverside Aguanga Valley, mouth of Temecula Creek, on hillslopes just south of Highway 79 609 Comment
  RSA613150  Keckiella antirrhinoides var. antirrhinoides D. L. Banks 1997-4-5 1658 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 670 Comment
  UC1518630  Keckiella antirrhinoides var. antirrhinoides Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55474 Riverside ca 3.3 mi n Whitewater Post Office (side-canyon on w side of Whitewater Canyon); San Bernardino Mts., Whitewater Canyon 594 Comment
  POM17864  Keckiella cordifolia Philip A. Munz 1923-6-14 7100 Riverside Glen Ivy Trail to Santiago Peak, Santa Ana Mountains. 915 Comment
  RSA0019438  Keckiella ternata subsp. ternata N. C. Cooper 1944-7-15 1581 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  RSA0060486  Keckiella ternata var. ternata J. M. Andre 2012-6-15 30508 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
  UCR119420  Kochia scoparia Mitch Provance 1998-6-20 710 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  RSA291549  Koeleria macrantha C. W. Tilforth, J. Dourley 1980-7-15 2073 Riverside South of Thomas Mountain Campground along Thomas Mountain Road, south of Lake Hemet & west of Highway 74. Comment
  UCR13704  Krameria erecta N. R. Zabriskie, W. W. Zabriskie 1972-6-9 514 Riverside Santa Rosa Mtns/Colorado Desert, NW of Hwy 74, Deep Canyon drainage. Site 9 1220 Comment
  RSA408612  Krameria grayi N. C. Cooper 1949-4-8 3276 Riverside Shaver s Summit east of Indio. 610 Comment
  RSA735400  Krameria grayi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11228 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  RSA787591  Krameria grayi Andrew Monks, J. McConnaughy, M. Volke 2010-1 36 Riverside Hwy 177 N of Desert Center and Desert Lily Sanctuary. E of Joshua Tree National Park border. 274 Comment
  UC1543072  Krameria grayi Donald G. Nelson 1936-5-22 394 Riverside on trail down to stream in Palm Springs Canyon (Ribbon Wood Camp, Pines to Palms Highway, near base of Santa Rosa Mountains); near base Santa Rosa Mountains, Pines to Palms Highway Comment
  UC449697  Krameria grayi E. E. Schellenger 1911-4-25 Riverside n Palm Springs (Colorado Desert); , n of Palm Springs Comment
  RSA91216  Krameria grayi F. W. Peirson 1934-04 2034 Riverside Whitewater at head of Coachella Valley. Comment
  UCR167858  Lactuca serriola T. B. Salvato, Melissa Clemons 2005-6-23 1327 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  SEINET11446730 Image available Laennecia coulteri H. M. Hall 5941 Riverside Palo Verde Valley 76 Comment
  RSA77076  Langloisia setosissima subsp. setosissima F. W. Peirson 1935-4-17 s.n. Riverside 30 miles north of Blythe. Comment
  CAS-BOT-BC166025  Larrea tridentata Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  CSUSB324  Larrea tridentata Paul M. Estes 1962-5-21 131 Riverside 5 miles east of Indio on Highway 99. Comment
  LA31387  Larrea tridentata Jane Turner; Barbara Whitesel, Virginia Sjaholm 1959-3-21 c- 172 Riverside Morongo Wash Comment
  POM7118  Larrea tridentata Philip A. Munz, L. T. Street 1919-3-25 2306 Riverside Palm Canyon, Palm Springs. 229 Comment
  RSA662182  Larrea tridentata var. tridentata Anne Greenberg 1981-5-17 105 Riverside Palm Desert, Hwy 74, 5 iles N of Hwy 111. Comment
  SEINET7073482  Lastarriaea coriacea A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: WGS84/NAD83. (33? deg. 32' 2" North Latitude; -117? deg. 9' 9" West Longitude. UTM Zone 11, 485829mN, 3710290mN. Coordinate datum: NAD27). Comment
  SD146011  Lasthenia californica A. C. Sanders, K. C. Rose 1998-5-21 21863 Riverside Hemet; alkaline flats west of town, east of the canal, south of Highway 74 and ca. 0.25 west of Warren Road. 456 Comment
  SEINET7073293  Lasthenia californica A. G. Vestal 1963-4-27 s.n. Riverside Cottonwood Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  RSA522764  Lasthenia coronaria Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3871 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
  UCR280952  Lasthenia coronaria Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 64 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  RSA550481  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-5-6 2267 Riverside Some 760m northwest of Lakeview and south of the San Jacinto Wildlife area. The collection site is some 10m west of Davis Rd. amd 2 m north of Marvin Rd. 132 Comment
  POM308571  Lasthenia gracilis Henry J. Ramsey, Henry J. Ramsey 1940-3-15 3246 Riverside S of Corona Comment
  SD239603  Lasthenia gracilis A. C. Sanders, T. B. Salvato 2011-3-28 38806 Riverside Peninsular Range: Perris-Aguanga Basin Region: Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy (Romoland 7.5'Q) 434 Comment
  UC30437  Lasthenia gracilis Geo. R. Hall 1901-3-17 Riverside Riverside Comment
  CLARK-A1045-90  Lathyrus laetiflorus George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains 3 miles up [east northeast] from Oak Spring; Lake Fulmor 7.5'Q 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
  RSA406644  Lathyrus vestitus subsp. alefeldii N. C. Cooper 1947-5-5 2045 Riverside Los Alamos Canyon, Elsinore 762 Comment
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Nov 26 2011
  RSA757620  Layia glandulosa LeRoy Gross, Jacqueline McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4338 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
  UC63258  Layia glandulosa H. M. Hall 1904-5-16 4948 Riverside vicinity Riverside (Fairmount Park); Fairmount Park 243 Comment
  CAS-BOT-BC320797  Layia glandulosa H. M. Hall 1901-6-1 2185 Riverside San Jacinto Mountains. South side. 1371 Comment
  CAS-BOT-BC379664  Layia platyglossa A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19880 Riverside Lake Skinner area; lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road. 518 Comment
  CAS-BOT-BC379672  Layia platyglossa Munz; Johnston 1922-5-19 5419 Riverside Hemet Valley, San Jacinto Mts 1402 Comment
  UCR228249  Layia platyglossa A. C. Sanders, T. B. Salvato 2011-4-1 38933 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
  RSA0045153  Layia platyglossa Andrew Haimov, April Sleigh 1992-4-14 75 Riverside 25 meters east of Davis Road, 1 1/2 miles north of Ramona Expressway, San Jacinto Wildlife Area access road, north of Jacinto River. Comment
  CLARK-A1528-4707  Leersia oryzoides John C. Roos, Lucille Roos 1951-10-24 5345 Riverside Riverside 259 Comment
  SD240784  Lemna minor A. C. Sanders, John F. Green 2012-5-27 40216 Riverside Peninsular Range: Santa Ana Mountains Region; Temescal Creek at I-15 crossing, between Alberhill and Horsethief Canyon (Alberhill 7.5'Q) 363 Comment
  SBBG104094  Lepidium dictyotum A. C. Sanders 1993-4-5 13684 Riverside western edge of Hemet, NE corner of intersection of Myers St. and Devonshire Ave, 0.75 mi NE of intersection of Florida Ave (St Hwy 74) and Warren Rd Just S of Tres Cerritos; T5S, R1W, SW/4 of NE/4, S7 460 Comment
  SEINET6056432  Lepidium dictyotum Unknown 1996-4-19 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCR199639  Lepidium dictyotum var. dictyotum Scott D. White, Justin M. Wood 2008-4-3 11798 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  CAS-BOT-BC154109  Lepidium fremontii N. Aitkenhead 1977-2-2 s.n. Riverside S-O line SW of radio tower top of Chuckwalla Mnts. Comment
  CAS-BOT-BC89439  Lepidium fremontii H. M. Hall 1905-4-1 5844 Riverside Colorado Desert. Canyon Springs. Comment
  RSA429906  Lepidium fremontii Robert Gustafson 1981-4-7 1255 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  SD247378  Lepidium fremontii Andy Sanders, Jim Malusa 2015-3-11 41394 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range. 722 Comment
  UCR245663  Lepidium fremontii var. fremontii Duncan S. Bell 2010-4-2 691 Riverside Arica Mountains: along the ridgeline of the mountain range about 0.3 air mile north of the summit 561 Comment
  CAS-BOT-BC89583  Lepidium lasiocarpum D. A. Johansen; J. A. Ewan 1932-4-10 7056 Riverside Along diversion canal at mouth of Tahquitz Canyon. 213 Comment
  RSA0106698  Lepidium lasiocarpum Duncan S. Bell, Thomas Stoughton 2010-3-19 567 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.25 air miles west of Priest Well. 439 Comment
  JOTR35505  Lepidium lasiocarpum var. lasiocarpum La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3193 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  UCR116655  Lepidium latifolium A. C. Sanders, Carolyn Washburn 2001-5-10 24243 Riverside Perris-Aguanga Basin, San Jacinto River Valley, south side of intersection of Sanderson Ave. and Ramona Blvd., c. 4 mi. NW of San Jacinto 445 Comment
  UCR111604  Lepidium nitidum Mitch Provance, J. Ross 1999-4-1 1733 Riverside Jurupa Mountains, Pediment of the extreme W end of the range, on the E side of Country Village Road. 250 Comment
  UCR14224  Lepidium nitidum June Latting 1979-3-26 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 Comment
  UCR133111  Lepidium virginicum 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
  UC1929468  Lepidium virginicum subsp. menziesii Scott D. White 2001-4-13 8320 Riverside BADLANDS: County Landfill area north Moreno Valley. About 1/4 air mi NW of the SR-60 freeway jtn with Gilman Springs Rd. Comment
  RSA575819  Lepidium virginicum var. robinsonii Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region , southern flank of the range along road in Arroyo del Torro. 609 Comment
  UCR1539  Lepidium virginicum var. robinsonii R. L. Irwin 1962-5-8 69 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, Sycamore Canyon, c. 1.4 mi S on Canyon Crest Dr. from Pennsylvania Ave.; then left on a dirt road c. 0.3 mi; then to right about 0.5 mi to end ofroad; then over hill and up stream about 0.25 mi. 351 Comment
  JOTR33675  Leptochloa fusca subsp. uninervia La Doux, Tasha 2003-9-24 1618 Riverside Joshua Tree National Park. Little San Bernardino Mtns; southern Wonderland of Rocks, along trail to Barker Dam 1296 Comment
  RSA588815  Leptochloa fusca subsp. uninervia D. L. Banks, Steve Boyd 1995-10-17 769 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
  UC23804  Leptodactylon pungens H. M. Hall 1901-6 2597 Riverside near Tahquitz; San Jacinto Mountains, near Tauquitz 2529 Comment
  RSA524407  Leptosiphon androsaceus Steve Boyd 1990-4-3 4098 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
  SD126211  Leptosiphon floribundus subsp. hallii A. C. Sanders, E. J. Lawlor 1988-10-22 8722 Riverside Pinyon Flats area, Santa Rosa Mountains along Horsethief Creek where the trail from the Dolomite Mine crosses, upper margin of the wash (mak 10/07) 1100 Comment
  POM13844  Leptosiphon lemmonii P. A. Munz 1922-4-28 5033 Riverside Temescal Canyon. Comment
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Apr 3 2011
  RSA606306  Leptosiphon lemmonii Jon E. Keeley 1994-4-22 25339 Riverside Shipley Reserve. 590 Comment
  SD152945  Leptosyne californica Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-26 6701 Riverside Santa Ana Mountains; San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCR138552  Lessingia glandulifera var. glandulifera Steve Boyd, D. E. Bramlet 1988-10-8 2884 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  UC576340  Leymus condensatus H. S. Yates 1937-6-27 6712 Riverside Lower San Jacinto Canyon San Jacinto Quadrangle Comment
  POM47667  Leymus triticoides F. W. Peirson 1924-6-1 4678 Riverside River lands along Santa Ana River. 152 Comment
  RSA3576137  Lilaea scilloides Robert F. Thorne 1973-5-23 43874 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  RSA757462  Lilaea scilloides Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55205 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  UC1035029  Lilium parryi Albert M. Vollmer Jul 1 1950-Jul 7 1950 Riverside Stony Creek; San Jacinto Mountains Comment
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Mar 10 2013
  POM12419  Limosella acaulis Philip A. Munz 1922-9-6 6378 Riverside Hidden Lake 2439 Comment
  RSA608562  Linanthus R. S. Woglum 1941-6-12 3056 a Riverside Idyllwild. Comment
  RSA468574  Linanthus androsaceus subsp. luteolus N. C. Cooper 1945-5-24 1631 Riverside Big Oaks Canyon, Banning. 1219 Comment
  UC455665  Linanthus dianthiflorus I. J. Condit 1910-6-24 Riverside road to Strawberry Valley San Jacinto Mts. 914 Comment
  RSA643888  Linanthus dianthiflorus subsp. dianthiflorus A. C. Sanders, J. Dice, K. Rose, D. Woodard 1995-3-29 16241 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. 335 Comment
  RSA703487  Linanthus jonesii LeRoy Gross, Leland Lubinsky, Victor W. Steinmann, Linda Lee Worlow 2005-2-17 1432 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., [second UTM:] UTM 3720669N, 654757E. 480 Comment
  UCR228171  Linanthus jonesii Dave Silverman, Onkar Singh 2010-3-25 7842 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, 3.2 km E of Black Creek Rd, 3.8 km W of McCoy Wash, and 7.8 km N of I-10 139 Comment
  UCR233176A  Linanthus jonesii Jim Andre, Glenn L. Clifton 2011-2-22 17432 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  UC219269  Linanthus lemmonii P. A. Munz and I. M. Johnston 1922-3-20 5477 Riverside Kenworthy San Jacinto Mts. 1463 Comment
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Mar 25 2011
  SD232289  Linanthus liniflorus Scott D. White, Michael Honer 2003-5-27 9406 Riverside Gavilan Hills/Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. 395 Comment
  UCR147596  Linanthus liniflorus Naomi Fraga, S. DeGroot 2004-7-7 1295 Riverside Peninsular Ranges; San Jacinto Mountains region, Along Chimney Flats Road (5S06) 1372 Comment
  UCR35060  Linanthus liniflorus subsp. pharnaceoides L. B. Ziegler 1966-6-21 59 Riverside Peninsular Range; San Jacinto Mtns., between Mountain Center and Keen Camp Summit 1448 Comment
  RSA554129  Linanthus maculatus George K. Helmkamp 1992-4-16 92 -4 Riverside Coachella Valley, soft, sandy bench of Mission Creek, 0.4 miles S of Indian Ave. on old Hwy 62. [A few scattered plants found on N side of Mission Creek between Hwy 62 & old Hwy 62, but none S of creek or W of Hwy 62.] 20 Comment
  RSA657236  Linanthus maculatus J. Mark Porter, Valerie Soza, Gary D. Wallace 2001-4-2 12333 Riverside Coachella Valley, along Big Morongo Wash, N of Indian Avenue, ca. 1.5 mi ESE jtn. with Hwy 62. 457 Comment
  UCR176577  Linanthus nuttallii Joseph Cahill 1998-5-26 15- 03 Riverside Peninsular Range; Santa Ana Mtns., above Lake Elsinore, [near El Cariso Guard Station] just outside Cleveland National Forest 808 Comment
  RSA91380  Linum lewisii F. W. Peirson 1922-5-20 3036 Riverside North side of Hemet Valley, San Jacinto Mts. 1372 Comment
  RSA34591  Linum usitatissimum N. C. Cooper 1944-5-6 1207 Riverside Whitewater Canyon. 457 Comment
  RSA93778  Lobelia cardinalis subsp. graminea F. W. Peirson 1922-12-27 8649 Riverside About 1 miles up in Andreas Canyon, Palm Springs region. Comment
  RSA593690  Loeflingia squarrosa Steve Boyd, David E. Bramlet 1996-4-19 8636 Riverside San Jacinto Valley: San Jacinto Wildlife Refuge at southwestern edge of Mystic Lake in the San Jacinto River floodplain, N of ''Marsh A'', NE of the refuge headquarters. 433 Comment
  UCR86645  Loeflingia squarrosa A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16270 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
  RSA585789  Loeflingia squarrosa var. squarrosa D. L. Banks, Steve Boyd 1995-5-9 0410 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 737 Comment
  JOTR31234  Loeseliastrum matthewsii La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2018 Riverside Joshua Tree National Park. Pinto Basin; (Stop 6) sandy wash leading to Pinto Wash 354 Comment
  SBBG64737  Loeseliastrum schottii M. N. Ackley -Apr-1928 845 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  UC1022808  Logfia depressa Philip A. Munz 1940-3-23 15688 Riverside n end Pinto Basin; Southern California, Mohave Desert 609 Comment
  RSA0085060  Lolium perenne subsp. multiflorum Mary Duke, Christy Hightower, Cecilia McElroy 1982-5-15 20 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  RSA192222  Lolium perenne subsp. multiflorum E. W. Lathrop 1960-5-6 4792 Riverside 10 miles west of Murrieta. Comment
  SEINET251685 Image available Lolium rigidum Walter Graves 2002-5-15 502 -14 Riverside Riverside: grown at U. C. R. in Agricultural Operations Fields ( Riverside East 7.5' Q.) 305 Comment
  SEINET251686 Image available Lolium rigidum Walter Graves 2002-5-15 502 -15 Riverside Riverside: grown at U. C. R. in Agricultural Operations Fields (Riverside East 7.5 Q.) 305 Comment
  UCR151411  Lomatium dasycarpum subsp. dasycarpum D. L. Banks 1997-3-6 1404 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation. 'Fiesta Ground' east of Pechanga Creek along the N fork of Pechanga Creek at the E end of the Reservation 482 Comment
  UCSB18143  Lomatium mohavense Lehmann, Karla 1964-5-10 Riverside Pinyon Flants Campground 1249 Comment
  CLARK-A1656-675  Lomatium utriculatum Milton Walker 1978-3-28 Riverside San Jacinto Mountains 1066 Comment
  SDSU21254  Lonicera interrupta S. H. Bullock 1972-5-20 262 Riverside San Jacinto Mtns. Banning: Idyllwild rd. 3 mile S. US I-10. N exposure. 707 Comment
  SD143959  Lonicera subspicata var. denudata Scott D. White 1997-5-25 5233 Riverside Bautista Canyon, Hixon Trail (USFS no. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at ca 3200 ft. 790 Comment
  UC455867  Lonicera subspicata var. denudata I. J. Condit 1910-6-24 Riverside San Jacinto Mt. 609 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
  UC15672  Lotus grandiflorus Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UCR94933  Lotus grandiflorus Scott D. White 1996-8-16 4486 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  RSA715760  Lotus hamatus A. C. Sanders 2005-4-22 29601 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  UCR90368  Lotus hamatus Scott D. White 1995-6-30 3429 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  UC15749  Lotus heermannii H. M. Hall Jun 1901 2021 Riverside s side San Jacinto Mountains 1219 Comment
  RSA714382  Lotus oblongifolius T. B. Salvato, John F. Green 2004-5-27 604 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  SDSU4339  Lotus rigidus H. Wedberg 1962-4-20 918 Riverside About 1 mile southeast of Pinyon Flats on road to Palm Springs, San Jacinto Mountains. Pinyon-Juniper woodland. 1219 Comment
  RSA517916  Lotus salsuginosus Steve Boyd, Thomas S. Elias, Erika Winter, Bob Boyd 1986-2-18 1334 Riverside Mecca Hills, Colorado Desert: Box Canyon, along Hwy 195. Comment
  UCR225216  Lotus scoparius var. brevialatus T. B. Salvato, Matt Malle, Tim Searl 2011-4-19 5161 Riverside Peninsular Range; Gavilan Hills, Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15 473 Comment
  UCR230925  Lotus scoparius var. brevialatus T. B. Salvato, Richard Camacho 2011-6-12 5478 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  POM10367  Lotus strigosus Charlotte M. Wilder 1903-3-29 64 Riverside Wilder's Canyon. Comment
  RSA28070  Lotus strigosus I. L. Wiggins 1941-3-27 9701 Riverside 4 mi. north of Whitewater. Comment
  RSA775600  Lotus strigosus Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 991 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  UC1563070  Lotus strigosus Steve Boyd and Orlando Mistretta 1986-3-13 1434 Riverside ne of Desert Center (jct of Parker Dam Rd and 'Palen Rd' (rd going through pass between Palen and Granite Ranges); Palen Mountains 243 Comment
  UC56584  Lotus strigosus H. M. Hall May 1901 1907 Riverside Coyote Canyon San Jacinto Mountains, Santa Rosa Mountain 1524 Comment
  UCR103991  Lotus strigosus George K. Helmkamp 1998-4-3 3086 Riverside Sonoran (Colorado) Desert, West Palm Springs Village area, vic. of Hwy I-10 & Verbenia Ave.; 4 mi. north of Tamarack Rd on Cottonwood Rd. 1280 Comment
  UCR116862  Lotus strigosus A. C. Sanders, Steven R. Hill 2001-5-4 24135 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  RSA776380  Lotus strigosus Amber Swanson 2011-4-8 375 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  SEINET7042771  Lotus strigosus 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
  UCR12275  Lotus strigosus var. hirtellus Art Whistler 1966-5-8 s.n. Riverside Peninsular Ranges/ San Jacinto Mountains, downstream from Lake Fulmor, Route 74 1585 Comment
  UCR165809  Lotus strigosus var. tomentellus 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
  RSA703479  Lotus tomentellus LeRoy Gross, Leland Lubinsky, Victor W. Steinmann, Linda Lee Worlow 2005-2-17 1423 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA0003340  Lotus torreyi var. seorsus Mary F. Spencer 1919-6-28 1280 Riverside Idyllwild. 1677 Comment
  RSA680556  Lotus wrangelianus Scott D. White, Michael Honer 2003-4-30 9135 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  RSA774900  Lupinus Duncan S. Bell, Amber Swanson 2011-2-18 2027 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  CLARK-A1528-2817  Lupinus arizonicus John C. Roos 1948-5-15 3847 Riverside Eagle Mountains Comment
  RSA414835  Lupinus arizonicus Freda Detmers 1931-4-2 s.n. Riverside Colorado Desert. Comment
  SBBG3531  Lupinus arizonicus H. and M. Dearing 1939-12-31 4063 Riverside near NE end of Salton Sea Comment
  SBBG38558  Lupinus arizonicus E. R. Blakley 1966-4-9 6755 Riverside 1 mi W of Desert Center on US Hwy 60-70 274 Comment
  SBBG69025  Lupinus arizonicus M. N. Ackley -Mar-1928 533 Riverside near Edom 64 Comment
  RSA0023093  Lupinus arizonicus John F. Emmel 1995-4-21 1368 Riverside Little Maria Mts., northwest end; large canyon and wash 0.4 air mile southwest of peak 2479. 488 Comment
  SEINET10870660  Lupinus arizonicus David B. Dunn 1947-3-15 Dunn 2883 Riverside Pushawalla Canyon, Indio Hills. In wash. None f the plants on the plateau or slopes reached maturity; all died from drought. Comment
  POM305804  Lupinus bicolor Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1055 Riverside Elsinore. Comment
  RSA0031713  Lupinus bicolor Tamara Joy Hanna 1991-5-4 4 Riverside Area of High Country Ranches. From Terwilliger Road (paved) east on Coyote Canyon Road (dirt) approx. 2 miles. 1219 Comment
  RSA660639  Lupinus bicolor Lydia Paneri 1982-4-17 2 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  SBBG103916  Lupinus bicolor S. D. White 1993-4-22 1224 Riverside N Alberhill Ranch, in hills N of Walker Cyn 487 Comment
  UCR103180  Lupinus bicolor Scott D. White, Julie Greene 1997-3-12 4776 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  UCR139094  Lupinus bicolor Scott D. White 1997-5-18 5155 Riverside San Jacinto Mtns., Vista Grande Area: just west of USFS Vista Grande Fire Station (i.e. Hwy 243, c. 10 road mi SE of Banning) 1509 Comment
  SD137771  Lupinus concinnus Darin L. Banks, Steve Boyd 1995-5-9 337 Riverside Northwest Palomar Mountains, north of the Agua Tibia Wilderness Area; west of the Dripping Springs Alcove Area. 730 Comment
  UCR127572  Lupinus concinnus D. E. Bramlet 2003-4-18 3376 Riverside Base of San Jacinto Mtns., 2,348m south of Cabazon, 2,012m northwest of Cabazon Peak, and 183m northwest of the Colorado River Aqueduct 548 Comment
  UCR202000  Lupinus concinnus 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
  CAS-BOT-BC216685  Lupinus excubitus subsp. hallii C. B. Wolf 1932-5-25 3693 Riverside 0.25 mile SW of summit of Moreno Grade, Bad Lands SW of Beaumont 670 Comment
  SEINET10451310  Lupinus excubitus subsp. hallii Payne 1947-4-25 PAYNE 5430 Riverside Originally from a white flowered field plant at 1 mi. S of aquanga on payne Ranch. 488 Comment
  POM12626  Lupinus excubitus var. hallii P. A. Munz, I. M. Johnston 1922-5-19 5407 Riverside Above Oak Cliff, San Jacinto Canyon. San Jacinto Mts. Comment
  SEINET269555  Lupinus excubitus var. hallii Scott D. White 1996-5-27 4068 Riverside Jackrabbit Canyon E. of Moreno Valley and S. of Calimesa between state Hwy. 60 and Gilman Spr. Rd. west and north of 518 Comment
  UC397202  Lupinus excubitus var. hallii I. M. Johnston 1918-5-30 1996 Riverside Temescal 304 Comment
  UCR107396  Lupinus hirsutissimus B. G. Pitzer 1997-3-23 2951 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
  UCR142196  Lupinus hirsutissimus June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 915 Comment
  UCR16243  Lupinus hirsutissimus G. R. Ballmer 1965-3-21 s.n. Riverside Peninsular Range, Base of Santa Ana Mountains, 5 mi. south of Glen Ivy Hot Springs 396 Comment
  UCR250856  Lupinus hirsutissimus Dick Newell, Judy Booth 2014-3-9 357 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide Road, 0.33 mi. NW of Hacienda Rd. 924 Comment
  UCR3349  Lupinus hirsutissimus T. R. Plumb 1964-4-11 s.n. Riverside San Jacinto Mountains, North Mountain [=Mt. Edna?] c. 5.5 mi south on Old Banning-Idyllwild Rd. 988 Comment
  RSA699719  Lupinus hyacinthinus Keith E. Hoffmaster 1937-7-5 s.n. Riverside Fern Valley, San Jacinto Mtns Comment
  UC1922189  Lupinus hyacinthinus Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1738 Riverside Peninsular Ranges; San Jacinto Mountains region; Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UCR6032  Lupinus longifolius Sally Crum 1966-3-20 s.n. Riverside Santa Ana Mtns, 1 mi [west] of Murrieta, on grassy slope of a small cultivated hill by side of Tenaja Rd 1067 Comment
  HSC14928  Lupinus odoratus C. L. Hitchcock, C. V. Muhlick 1964-3-22 23252 Riverside Side canyon near S entrance to Joshua Tree National Monument. Comment
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Jul 9 2010
  RSA0125291  Lupinus sparsiflorus Duncan S. Bell 2016-3-3 8777 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3.5 air miles east northeast of Kitching Peak. 820 Comment
  RSA523534  Lupinus sparsiflorus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3993 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR213497  Lupinus sparsiflorus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-18 38411 Riverside Peninsular Range, southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. and Black Powder Rd. 502 Comment
  UCSB3403  Lupinus sparsiflorus Don Graney 1953-3-20 110 Riverside collected 1.0 mi from along the White Water Canyon White Water - White Water Comment
  RSA414268  Lupinus sparsiflorus var. mohavensis N. C. Cooper 1944-3-25 2014 Riverside Cabazon. 549 Comment
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Nov 22 2011
  RSA414342  Lupinus succulentus N. C. Cooper 1949-3-18 3164 Riverside Elsinore. 457 Comment
  CLARK-A1656-835  Lupinus truncatus Theo Glenn 1979-4-8 Riverside San Jacinto Mountains Comment
  UC73208  Lupinus truncatus Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR107786  Lupinus truncatus D. L. Banks 1997-5-5 1963 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  UCR147708  Lupinus truncatus Steve Boyd, Aydee Virgen 2004-4-13 10879 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR16262  Lupinus truncatus Kenneth Hibberd 1966-3-26 660326- 5 Riverside One half mi. south of Van Buren and 2 mi. east of Mockingbird Road, Riverside. 366 Comment
  VVC231  Lupinus truncatus F. Ambrey 1959-4-29 s.n. Riverside On Pala Rd, 2.4 mi South of jct w St Hwy 71 on north side of rd. 323 Comment
  CAS-BOT-BC231424  Lycium andersonii Carl B. Wolf 1932-4-28 3087 Riverside Eastern Colorado Desert. S. W edge of Maria Mts. 10 mi. from Blythe on Rice Road 152 Comment
  RSA510020  Lycium andersonii B. Pitzer 1988-3-10 659 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  RSA554024  Lycium andersonii A. C. Sanders, E. J. Lawlor 1992-4-4 12115 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA719265  Lycium andersonii Michael Honer, L. Hulse 2004-4-3 1902 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canyon. 610 Comment
  RSA463719  Lycium brevipes A. C. Sanders 1985-12-22 5961 Riverside Coachella Valley, bouldery slope at old Indian fish traps, E eand of Ave. 66 at Jackson St. Comment
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Sep 10 2011
  UC1004769  Lycium brevipes E. C. Jaeger 1939-12-29 Riverside 5 mi e Indio (Eytel Canyon branching from Fargo Canyon); Fargo Canyon, Eytel Canyon 243 Comment
  JOTR35221  Lycium fremontii La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3645 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; deep-cut drainage in southwest Pinkham Wash (Stop 7) Comment
  RSA650056  Lycium pallidum var. oligospermum N. J. Chatterton, C. M. McKell 1966-4-26 s.n. Riverside Gold Valley Ranch. Table Top Mtns. Comment
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Jun 9 2013
  RSA784977  Lycium pallidum var. oligospermum Duncan S. Bell 2012-3-18 3221 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  POM48848  Machaeranthera asteroides Grout, S. Grout 1909-10-25 s.n. Riverside Riverside Comment
  RSA642297  Madia exigua D. L. Banks, Mike Kinney 1998-6-8 2203 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside / San Diego County line border. 475 Comment
  UCR213485  Malacothamnus densiflorus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37820 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCR37477  Malacothamnus densiflorus Steve Boyd 1981-2-9 s.n. Riverside Gavilan Hills, Steele Valley, south of groves and communication site 640 Comment
  OBI37491  Malacothamnus fasciculatus Steve Boyd 1985-7-23 1026 Riverside De Luz rd, 9.8 mi W of Rancho California 244 Comment
  UCR120926  Malacothamnus fasciculatus A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24926 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  OBI5742  Malacothamnus fasciculatus subsp. fasciculatus Charlotte M. Wilder June1904 35 Riverside Wilder's Canon Jurupa hills Comment
  CAS-BOT-BC345424  Malacothrix clevelandii John Thomas Howell 1931-5-30 6590 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  RSA89040  Malacothrix clevelandii J. C. Roos 1950-4-22 4756 Riverside 0.3 mi NE of summit of Reche Canyon 762 Comment
  CAS-BOT-BC347705  Malacothrix glabrata John Thomas Howell 1928-3-11 3444 Riverside Coachella Valley, Colorado Desert 213 Comment
  JOTR31873  Malacothrix glabrata La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2127 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  SBBG35013  Malacothrix glabrata T. L. Secrest 1951-5-18 Riverside San Jacinto River bed, probably near Hemet Comment
  UCD134417  Malacothrix glabrata P. C. Everett; E. K. Balls 1958-4-29 23021 Riverside U.S. Highway 60/70, 1 mile west of Cactus City. 487 Comment
  SEINET10908382  Malacothrix glabrata David B. Dunn 1948-3-14 Dunn 3776 Riverside Chickory; flat open sands near Hidden Springs Ranch. 3 miles south of the Indio Hills, Colorado Desert. Comment
  CLARK-A1528-5195  Marah macrocarpa John C. Roos 1952-3-19 5392 Riverside Box Springs Mountains 457 Comment
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Oct 23 2014
  RSA556485  Marah macrocarpa Julie Greene 1993-3-13 1049 Riverside West of Poleline Rd. 457 Comment
  UCR166172  Marah macrocarpa John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  UCR35137  Marah macrocarpa L. B. Ziegler 1972-2-7 435 Riverside in the foothills of the San Jacinto Valley 579 Comment
  CHSC99605  Marina parryi LeRoy Gross 2005-3-3 1601 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W to 33.72053N, 115.11051W. General collecting along ridge with patino and a rejuvenate steep sided rocky, sandy canyon just to the east. All on a sparse vegetative pebbly plain bajada. 225 Comment
  UCR16204  Marina parryi Loretta Bates 1978-4-15 s.n. Riverside Chuckwalla Mtns, Corn Springs Road, c. 1 mi east of Corn Springs Campground Comment
  VVC290  Marrubium vulgare P. J. MacKay 1975-4-12 s.n. Riverside Southern California, Rancho La Sierra, just south of Hwy 91 near Green River Dr. Exit 210 Comment
  RSA409844  Marrubium vulgare Freda Detmers 1931-6-19 s.n. Riverside Chino Hills. Comment
  RSA660642  Marrubium vulgare Lydia Paneri 1982-4-17 6 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  UCSB46882  Marsilea vestita Roos, John 1965-9-16 Riverside Lakeview. Comment
  UC1605508  Marsilea vestita subsp. vestita Terry O'Brien May 1995 2126 Riverside ca. 5 mi sw of Grand Ave. in Murrieta (on Clinton Keith Rd., Pool C2 in Lathrop & Thorne); Mesa de Colorado, Santa Rosa Plateau Preserve 600 Comment
  SD260170  Matelea parviflora A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40515 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, Chuckwall Bench area on S side of Chuckwall Mountains, 8.9 km SE of Gasline Rd, at narrow wash crosing (Red Cloud Canyon 7.5'Q) 701 Comment
  CAS-BOT-BC348068  Matricaria discoidea S. B. Parish 1914-4-13 9075 Riverside Ethanac, near Perris Comment
  RSA617162  Medicago polymorpha Scott D. White, M. Jacobsmeyer 1996-4-20 3962 Riverside Perris area: Just S of Perris Airport, SE of Goetz Rd. / Mapes Rd. intersection, N of San Jacinto River channel 430 Comment
  RSA644632  Medicago polymorpha Scott D. White 1993-3-12 1141 Riverside San Bernardino Basin: San Jacinto Valley: Perris Valley Pipeline. 439 Comment
  SEINET273062  Medicago polymorpha A. C. Sanders 1997-3-19 20057 Riverside Lake Skinner area; Upper Rawson Cyn W of Black Mtn along the rd from Lk. Skinner. UTM 10km cell: MH-9E 2N. Domenigon 549 Comment
  RSA85572  Melica frutescens J. C. Roos 1952-4-9 5492 Riverside Mt. Rubidoux 396 Comment
  SEINET175791 Image available Melica frutescens M. E. Jones 1882-4-25 3554 Riverside San Jacinto Comment
  UCR112402  Melica frutescens A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23442 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  CAS-BOT-BC281602  Melica imperfecta W. A. Silveus 1938-4-16 2646 Riverside Near Elsinore Comment
  CHSC109712  Melica imperfecta Scott D. White 2003-3-21 8821 Riverside Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 152 Comment
  POM9732  Melica imperfecta Mary F. Spencer 1921-4-16 1842 Riverside Banning. Comment
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Mar 13 2011
  RSA496567  Melica imperfecta Bill Wagner 1988-4-5 s.n. Riverside Approx. 1.5 miles NW of the community of Murrieta. South side of I-15 Fwy at the junction of Nutmeg Rd. 381 Comment
  UCR112406  Melica imperfecta A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23454 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 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
  UC1537076  Melilotus indicus Gordon H. True Jr. 1935-4-11 230 Riverside Gavilan Hills 609 Comment
  RSA556497  Melilotus indicus Julie Greene 1993-4-3 1111 Riverside San Jacinto Wildlife Area; around pond #3. 442 Comment
  RSA735073  Melinis repens Scott D. White, Justin M. Wood 2007-4-16 11652 Riverside Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  JOTR29286  Menodora scoparia La Doux, Tasha 2003-9-4 1089 Riverside Joshua Tree National Park. Queen Mountain, above Key's Ranch, near old dam Comment
  UCR67347  Mentzelia affinis Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 4009 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  RSA678947  Mentzelia desertorum Scott D. White, Michael Honer 2001-4-12 8307 Riverside Shaver s Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  POM294421  Mentzelia involucrata Lyman Benson, Robert Benson 1952-4-8 14845 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area. 610 Comment
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Mar 26 2011
  RSA776821  Mentzelia involucrata Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1094 Riverside Chuckwalla Mountains, Corn Springs Road; Road crossing of main wash that drains Chuckwallas to the east toward the Chuckwalla Bench 427 Comment
  SBBG81726  Mentzelia involucrata S. A. Junak 1983-3-23 1647 Riverside Berdoo Cyn Rd, 2.4 mi E of Dillon Rd, Little San Bernardino Mtns 411 Comment
  UC872488  Mentzelia involucrata I. W. Clokey 1935-4-17 6762 Riverside Cottonwood Springs 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
  POM254738  Mentzelia involucrata var. megalantha P. A. Munz 1940-3-24 15694 Riverside 3 miles south of Cottonwood Springs, Eagle Mts 457 Comment
  UCR123754  Mentzelia involucrata var. megalantha Steven R. Hill 2001-4-29 33541 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  UCR166291  Mentzelia jonesii Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR193409  Mentzelia montana A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35578 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, near May Valley Rd. 1570 Comment
  JOTR35485  Mentzelia veatchiana La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3173 Riverside Joshua Tree National Park. Little San Bernardino Mtns, below Lower Covington Flats, W of Smithwater Canyon,(Biodiversity Hunt stop1) 1341 Comment
  RSA689389  Mesembryanthemum nodiflorum Scott D. White 2003-6-9 9526 Riverside Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. 473 Comment
  UCR38080  Mesembryanthemum nodiflorum O. F. Clarke 1985-5-13 s.n. Riverside San Jacinto River Valley, Gun club ponds east of Davis Road, a short distance north of Lakeview, east of the Bernasconi Hills 428 Comment
  UCR225594  Microseris douglasii A. C. Sanders, T. B. Salvato 2011-3-29 38867 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, gentle alluvial slope along powerline corridor east of Goetz Rd., west of Wheat St. 450 Comment
  UCR21903B  Microseris douglasii subsp. platycarpha Steve Boyd 1980-5-5 204 B Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR91473  Microseris lindleyi Scott D. White, M. Jacobsmeyer 1996-4-20 3961 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  UCR92233A  Microseris lindleyi D. L. Banks, Steve Boyd 1995-5-9 0323 A Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  RSA0018770  Mimetanthe pilosa Philip A. Munz 1938-8-14 15355 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  SEINET238560  Mimetanthe pilosa George K. Helmkamp 1998-1 4104 Riverside Santa Rosa Mtns.: 3.3 mi S of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of an unnamed spring. 1585 Comment
  UC1929959  Mimulus aurantiacus Scott D. White 2004-4-26 10264 Riverside San Jacinto Mountain Foothills: Soboba Indian Reservation, Indian Creek Watershed. Comment
  UCR230913  Mimulus aurantiacus var. aurantiacus T. B. Salvato, Richard Camacho 2011-6-12 5489 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  GMDRC6570  Mimulus aurantiacus var. pubescens J. M. Andre 2012-6-15 30526 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  JEPS4586  Mimulus aurantiacus var. pubescens W. L. Jepson 1939-4-19 19208 Riverside 3 mi s Aguanga 731 Comment
  RSA38707  Mimulus aurantiacus var. puniceus Percy C. Everett 1945-6-7 11502 Riverside Indian Canyon, along Indian Canyon Truck Trail. 777 Comment
  RSA552757  Mimulus aurantiacus var. puniceus Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6743 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
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Sep 16 2007
  SDSU13462  Mimulus aurantiacus var. puniceus Robin P. Silverstein, Taxonomy of Calif. Plants class, M. G. Simpson, instructor 2000-4-1 5 Riverside Santa Margarita Ecological Reserve. East side of river, 200 m down-river from cement bridge crossing river. 1/10th of a mile south of Northside Field Station. 244 Comment
  CLARK-A1528-859  Mimulus bigelovii Charlotte Stocks 1963-4-15 Riverside Box Canyon Comment
  RSA799276  Mimulus bigelovii var. bigelovii Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 737 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road. 305 Comment
  RSA717465  Mimulus brevipes Scott D. White 2006-4-28 11322 Riverside Elsinore Basin: Wildomar., east of the I-15 Freeway and north of Baxter Rd. South- and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills. 427 Comment
  SDSU4835  Mimulus brevipes Greg Snyder 1962-5-12 Riverside On the south side of Hwy 115 at the entrance to San Bernadino National Forest. Comment
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Mar 30 2014
  RSA435531  Mimulus cardinalis Robert L. Rutherford 1945-6-17 1668 Riverside Burned Canyon, Banning. 1220 Comment
  CLARK-A1045-335  Mimulus diffusus George K. Helmkamp 1978-5-2 Riverside Bautista Canyon a burned area beside Bautista Road; Hemet 15'Q Comment
  CLARK-A1528-4246  Mimulus floribundus Pete Holliday 1969-5-19 Riverside Riverside Comment
  RSA526488  Mimulus floribundus Steve Boyd, Tim S. Ross 1990-5-11 4685 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
  HSC85260  Mimulus fremontii Steve Boyd 1986-4-22 1751 Riverside Stable alluvial benches of Indian Wash just S of Interstate Hwy 15 Comment
  RSA650917  Mimulus guttatus Sandy Gray 1981-5-15 24 Riverside Hwy 60 - Beaumont. North Cherry Valley to Bogart Park. Comment
  UCR111599  Mimulus guttatus Mitch Provance 1998-4-8 1774 Riverside City of Riverside, Arroyo Tequesquite, NE side of proposed 'Andulka Park' just west of the corner of Chicago and Central Avs. 305 Comment
  CDA28897  Mimulus longiflorus Mike Lahti 2009-4-28 PDR# 1501678 Riverside San Jacinto, 950 North Ramona Boulevard near State Street. 0 Comment
  JEPS26105  Mimulus nasutus Peter H. Raven 1958-5-17 12944 Riverside 7.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  UC27007  Mimulus tilingii H. M. Hall 1897-7-22 709 Riverside San Jacinto Mt. 2743 Comment
  CAS-BOT-BC385089  Mirabilis albida Jean L. Pawek 1964-9-25 635 Riverside Hwy S74 near entrance to Santa Rosa Indian Reservation 1828 Comment
  SEINET196194  Mirabilis californica LeRoy Abrams 1941-4-22 13875 Riverside Palomar School near Perris Comment
  UCR127347  Mirabilis laevis A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25851 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  RSA0027981  Mirabilis laevis var. crassifolia D. L. Banks 1997-2-23 1306 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  RSA464245  Mirabilis laevis var. crassifolia Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  CAS-BOT-BC434823  Mirabilis laevis var. retrorsa Roxana S. Ferris 1918-6-12 938 Riverside 5 mi south of Lancaster Comment
  JOTR34029  Mirabilis laevis var. retrorsa La Doux, Tasha, M. Harding 2010-4-7 2916 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  RSA68292  Mirabilis laevis var. retrorsa Verne Grant, Alva Grant 1951-4-7 15979 Riverside Colorado Desert, Morongo Valley road [Hwy 62] ca. 1 miles North of Highway 60 671 Comment
  SEINET3161596  Mirabilis laevis var. retrorsa S. B. Parish 1907-4-24 6073 Riverside western border of the Colorado Desert 360 Comment
  UC851755  Mirabilis laevis var. retrorsa I. W. Clokey, B. C. Templeton 1930-4-9 4676 ` Riverside N of Palm Springs, Colorado desert 170 Comment
  UCD98198  Mirabilis laevis var. retrorsa Nancy Ryan Zabriskie; Walter Zabriskie 1972-3-26 471 Riverside Upper portion ACC road, Andreas Canyon, east slope San Jacinto Mts. 396 Comment
  SD216505  Mirabilis multiflora Jay B. Walker 1995-5-4 1413 Riverside San Bernardino National Forest. Highway 74, 3 kilometers east of junction with Santa Rosa Mountain Road. 1399 Comment
  CAS-BOT-BC434882  Mirabilis multiflora var. pubescens Chas. Vandeventer 1898-6-27 956 Riverside Taurus Mt. 1371 Comment
  JEPS26448  Mohavea confertiflora Peter H. Raven 1958-1-23 11432 Riverside Fargo Canyon Comment
  POM261346  Mohavea confertiflora Philip A. Munz 1940-3-23 15673 Riverside South base of Pinto Mts., road Dale to Cottonwood Springs. 610 Comment
  RSA124452  Mohavea confertiflora Percy C. Everett 1958-4-29 23020 Riverside U. S. Hwy. 60/70, Indio to Blythe, 1 mi. W. of Cactus City. Comment
  RSA172323  Mohavea confertiflora Robert F. Thorne 1963-3-29 32424 Riverside Colorado Desert, 12 miles ENE of Mecca. Comment
  RSA457757  Mohavea confertiflora Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2118 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UC1563131  Monardella breweri subsp. lanceolata Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-4 3603 Riverside Vail Lake area, Kolb Creek drainage, around N extension of Woodchuck Road, north of Hwy. 79 487 Comment
  CLARK-A1528-4930  Monardella lanceolata John C. Roos 1943-8-8 2710 Riverside San Jacinto Mountains Comment
  SBBG71969  Monardella lanceolata R. Hoffmann 1929-9-7 Riverside Strawberry Valley 1645 Comment
  CLARK-A1045-110  Monardella linoides George K. Helmkamp 1977-3-20 Riverside Pinyon Pines area above west edge of Deep canyon; Palm Desert 15'Q Comment
  UC1995337  Monardella linoides subsp. linoides P. A. Munz 1938-8-14 15380 Riverside ridge e Toro Peak; Santa Rosa Mts. 2286 Comment
  CAS-BOT-BC215491  Monardella nana E. McClintock; H. Lewis 1941-6-29 78 Riverside Road up Santa Rosa Mt. 5 1/2 miles beyond canyon where stream crosses road Comment
  UC1499871  Monardella nana Elizabeth McClintock 1940-7-21 25 Riverside One-half mile from canyon and stream, on Santa Rosa Mt. road Comment
  UC1499919  Monardella nana E. McClintock, H. Lewis 1941-6-29 75 Riverside Santa Rosa Mt. 4 1/2 miles above Pines to Palms Highway in canyon where stream crosses road up mountain Comment
  RSA651093  Monardella nana subsp. arida Harold Lint 1958-5-25 2033 Riverside East of Pinyon flats campground. Pines to Palms Hwy [Hwy 74]. Comment
  IRVC2060  Monardella nana subsp. tenuiflora R. H. Whittaker, W. A. Niering 1963-6-8 SJ 304 Riverside Marion Mountain Trail. Peninsular Ranges, San Jacinto Mountains 2424 Comment
  RSA750419  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-5-31 52 Riverside 5.75 miles from the Anza Monument turn off. Comment
  UC1499952  Monardella nana subsp. tenuiflora E. and M. McClintock, D. Weiner 1941-7-11 97 Riverside Fuller Mill Creek Banning-Idyllwild road Comment
  CAS-BOT-BC248291  Monardella robisonii A. C. Sanders; Mark Elvin 2001-8-17 24594 Riverside Mojave Desert, LIttle San Bernardino Mtns: trail from Key's View to Inspiration Point, Joshua Tree National Park 1646 Comment
  SD132294  Monardella robisonii K. Stolte 1979-9-4 Riverside Joshua Tree National Monument. Keys Ranch, Hidden Valley area. 100 meters SW of the National Parks Service trailer Comment
  UCR125893  Monardella robisonii A. C. Sanders, Mark Elvin 2001-8-17 24594 Riverside Mojave Desert, Little San Bernardino Mtns, trail from Key's View to Inspiration Point, Joshua Tree National Park 1646 Comment
  UCR141351  Monolepis nuttalliana Chris E. True, Robert Cox 2004-4-22 s.n. Riverside San Jacinto Wildlife Area, 2 miles NNE of Lakeview Hot Springs and 1.8 mi. north of Ramona Expressway crossing of San Jacinto River, between pipeline and dirt road near center of sec. 31 439 Comment
  JEPS20718  Monoptilon bellioides Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13238 Riverside 11.3 mi n Blythe (U. S. 95); Big Maria Mts. Comment
  POM13290  Monoptilon bellioides E. C. Jaeger 1921-4-12 141 Riverside Palm Springs (Cabazon) Comment
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Mar 13 2011
  UC68933  Monoptilon bellioides H. M. Hall May 1905 5989 Riverside near Indio; Colorado Desert Comment
  RSA254372  Montia fontana E. W. Lathrop 1975-5-4 5450 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Burro, 3.0 miles W of Murrieta. Comment
  RSA357119  Montia fontana R. F. Thorne 1973-5-23 45520 Riverside Santa Rosa Plateau-Mesa De Colorado: Wet margin of vernal marsh 609 Comment
  UCR193361  Montia fontana A. C. Sanders, Tim Thomas 2008-6-20 35553 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA389637  Muhlenbergia microsperma F. M. Reed 1907-2-12 1202 Riverside Arroyo Tequisquite Comment
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Jan 18 2014
  UCR35305  Muilla maritima L. B. Ziegler 1969-5-27 366 Riverside San Jacinto Mtns., Cahuilla Indian Reservation 1113 Comment
  OBI2155  Nama demissa P. A. Holden 1969-3-29 678 Riverside Just W of state hwy 62 and N of Mission Crk at foot of Morongo Grade Comment
  RSA0043141  Nama demissa Duncan S. Bell 2009-4-19 300 Riverside Arica Mountains: east side of range, approximately 1 air mile northwest of Priests Well. 342 Comment
  RSA278972  Nama demissa Barry A. Prigge, L. Martinez 1978-3-23 2421 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  UC24129  Nama demissa var. demissa S. B. Parish Apr 4 1896-Apr 13 1896 4128 Riverside Palm Springs (Agua Caliente) Palm Springs (desert base San Jacinto Mt.); , Palm Springs (Agua Caliente) 152 Comment
  RSA586849  Nassella lepida D. L. Banks, Steve Boyd 1995-5-3 268 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
  SEINET270217  Nassella lepida Scott White 1994-6-21 2083 Riverside Santa Gertrudis Creek about 1 mile east of Skunk Hollow (Batchelor Mountain Quad) 396 Comment
  UC1392824  Navarretia fossalis R. F. Hoover 1968-6-6 11152 Riverside 1 mi e Perris Comment
  UC1532822  Navarretia fossalis Robert F. Thorne, C. W. Tilforth, L. DeBuhr and E. Lathrop 1975-8-29 47317 Riverside n end Mesa de Burro (Rancho California); Santa Rosa Plateau 609 Comment
  UC472767  Nemacaulis denudata var. gracilis Mary F. Spencer 1918-4-13 806 Riverside Palm Springs Colorado Desert 125 Comment
  UC6597  Nemacaulis denudata var. gracilis S. B. Parish Apr 4 1896-Apr 13 1896 4140 Riverside Palm Springs (Agua Caliente) desert base of San Jacinto Mt.; Palm Springs, base of San Jacinto Mt. 152 Comment
  POM316904  Nemacladus glanduliferus P. A. Munz 1930-5-1 11922 Riverside Morongo Valley. Comment
  RSA777398  Nemacladus glanduliferus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 786 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  SEINET3812503 Image available Nemacladus longiflorus B. Ertter, J. Strachan 1979-6-26 2976 Riverside Kenworthy Forest Forest Station on Rt 74 in the Garner Valley, San Jacinto Mts Comment
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Jul 19 2018
  UCR139139  Nemacladus longiflorus John F. Green 2003-6-11 s.n. Riverside San Jacinto Mtns., Juan Diego Flat, NW of Cahuilla Mountain 1220 Comment
  RSA0126318  Nemacladus longiflorus var. longiflorus G. R. Campbell 1951-5-30 16133 Riverside 9 miles west of Anza. 1067 Comment
  RSA525252  Nemacladus ramosissimus Steve Boyd, Timothy S. Ross 1990-5-11 4630 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  SBBG101738  Nemacladus ramosissimus S. Boyd, D. Bramlet 1991-5-13 6251 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester, ridge top S of S-end of Warren Rd 548 Comment
  UC1979625  Nemacladus ramosissimus D. L Banks, Steve Boyd 1995-5-17 0453 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. Comment
  CLARK-A1703-30  Nemophila menziesii Cameron Duncan 1966-3-9 Riverside Riverside 213 Comment
  POM3740  Nemophila menziesii Alice Eastwood 1904-4-4 4124 Riverside Elsinore, Riverside County. Comment
  RSA421355  Nemophila menziesii E. Crow 1929-3-17 196 Riverside Glen Ivy Hot Springs, Santa Ana Mts. 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
  RSA783625  Nemophila menziesii J. D. Olmsted 1962-5-3 3479 Riverside on Baldy Mountain along Pines to Palms Hwy, 1.5 miles S of 4936 summit south of Mt. Center 1311 Comment
  UCR107894  Nemophila menziesii G. F. Pratt 1997-3-8 s.n. Riverside Box Springs Mtns, S-facing slopes near highest peak, right around radio towers. 915 Comment
  UCR193524  Nemophila menziesii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35569 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, slope below May Valley Rd. toward meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. 1555 Comment
  UCR213310  Nemophila menziesii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37688 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  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
  POM13032  Nicotiana clevelandii Philip A. Munz, D. D. Keck 1922-4-13 4921 Riverside Shavers Well, near Mecca. 91 Comment
  CHSC1925  Nicotiana glauca V. Holt 1942-3-29 Riverside Santa Rosa mountains. Comment
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Mar 23 2014
  UCR90973  Nicotiana glauca Scott D. White 1996-2-18 3805 Riverside Perris Basin, Double Butte, NW of Winchester, SE-facing slope of west butte and alluvial soil at base 490 Comment
  RSA621469  Nicotiana glauca D. L. Banks, Elizabeth H. Banks, Dawn Rodriguez, Edward Rodriguez 1997-6-20 2168 Riverside NW Palomar Mountains, Agua Tibia Mountains: West of Vail lake at the intersection on Pauba Road and Los Caballos Road. 372 Comment
  RSA426711  Nicotiana obtusifolia Donald Myrick 1968-3-3 1797 Riverside In Box Canyon east of MEcca. 366 Comment
  RSA799245  Nicotiana obtusifolia Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 733 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  UCR102704  Nicotiana obtusifolia B. G. Pitzer 1998-1-24 3387 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  RSA718294  Nicotiana obtusifolia Michael Honer, L. Hulse 2004-4-2 1875 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs 488 Comment
  SEINET3078208 Image available Nicotiana trigonophylla John Adams 1965-5-9 210 Riverside NE side of San Jacinto Mountains, Palms Springs area, 1 mi below tramway. 366 Comment
  RSA232255  Nolina parryi James Henrickson 1971-5-29 5575 Riverside 10 miles SW of Twentynine Palms, 1 mile N of Salton View. 1280 Comment
  RSA686408  Notholaena californica L. C. Wheeler 1933-12-2 2306 Riverside Mouth Tahquitz Canyon near Palm Springs 144 Comment
  UCR134599  Oenothera deltoides Marisa Sripracha, Kyle Boyd 2004-2-14 015 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  POM355575  Oenothera deltoides subsp. deltoides T. W. Minthorn 1926-5-14 s.n. Riverside Between Banning and Palm Springs. Comment
  POM226796  Oenothera elata subsp. hirsutissima P. A. Munz 1934-9-30 13238 Riverside Foot of Mt. Roubidoux, Riverside. Comment
  POM13025  Oenothera primiveris subsp. bufonis P. A. Munz, D. D. Keck 1922-4-13 4922 Riverside Eagle Mts, Colorado Desert. 213 Comment
  CSUSB217  Oenothera speciosa C. M. Flanagan 1971-5-21 Riverside Sun Valley Drive, 29 Palms. Comment
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Mar 26 2014
  CAS-BOT-BC427459  Oligomeris linifolia H. M. Hall 1905-6-1 6238 Riverside Vicinity of Riverside 365 Comment
  RSA654882  Olneya tesota T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 49 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
  SD161068  Opuntia X vaseyi Scott D. White 1999-5-20 7373 Riverside Perris Basin: Perris/Sun City area, just east of Goetz Road and south of Ethanac Road, ca 1I(c)-2 miles west of I-215 freeway. USGS Romoland 7.5' quad. (IPB 9/07) 440 Comment
  RSA296173  Opuntia basilaris var. basilaris B. A. Prigge 1980-8-5 3858 Riverside Whitewater Canyon, 0.5 miles N of trout farm 701 Comment
  RSA20710  Opuntia parryi C. B. Wolf 1938-1-5 9385 Riverside San Gorgonio Pass, 1 mile west of Cabazon. 549 Comment
  POM311558  Opuntia phaeacantha Lyman Benson 1963-7-13 16390 Riverside San Jacinto Mountains. Hillside 3 miles north of Gilman Hot Springs. Comment
  SEINET9037780 Image available Opuntia phaeacantha M. A. Baker 2015-1 18401 Riverside San Gorgonio Pass, 32km WNW of central Palm Springs, 100m north of the San Gorgonio River, 4km ENE of Banning, broad wash of sand, silt, rock, and gravel, mostly granitic 638 Comment
  UCR240643  Orobanche fasciculata Tracy Tennant, Mitch Provance 1998-6-16 MOR- 431 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M15 1098 Comment
  CLARK-A1528-873  Orthocarpus purpurascens Fred B. Essig 1964-4-25 30 Riverside Alberhill Comment
  RSA192067  Orthocarpus purpurascens E. W. Lathrop 1966-5-1 6228 Riverside 3 miles W of Murrieta. Tenaja Plateau. Comment
  RSA407959  Orthocarpus purpurascens E. Crow 1929-4-7 306 Riverside Corona Skyline Drive, Santa Ana Mts. Comment
  SD129364  Oxalis californica Steve Meyers 1990-3-21 Riverside Santa Rosa Plateau area: along Los Gatos Road, I(c) mile south of Buena Vista Road (2 miles west of Sandia Canyon and 0.1 mile north of San Diego County line). 366 Comment
  CAS-BOT-BC413166  Oxyria digyna P. A. Munz 1922-9-7 6406 Riverside Summit of San Jacinto Peak 3276 Comment
  RSA279603  Oxytheca caryophylloides James L. Reveal, Barbara J. Etter 1976-6-30 4527 Riverside San Jacinto Mts along Highway 243 at the turnoff to Black Mountain north of Idyllwild 1616 Comment
  RSA64889  Oxytheca emarginata F. W. Peirson 1922-5-21 3034 Riverside Hemet Valley, San Jacinto Mts. 1372 Comment
  RSA674657  Oxytheca trilobata Scott D. White 2000-8-5 8119 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  UCR139142  Oxytheca trilobata John F. Green 2003-6-11 s.n. Riverside San Jacinto Mtns., Juan Diego Flat, NW of Cahuilla Mountain 1220 Comment
  PASA2619  Paeonia brownii Sally Ellis 1940-3-18 Riverside Dripping Springs Comment
  UCD102583  Paeonia californica A. A. Beetle 1940-1 s.n. Riverside Near Sage. Comment
  CAS-BOT-BC327895  Palafoxia arida E. A. Macgregor 1917-3-19 714 Riverside Colorado Desert. Indio Sands Comment
  CAS-BOT-BC327912  Palafoxia arida Ira L. Wiggins 1941-3-27 9670 Riverside About 4 miles NE of Desert Center on raod to Rice Comment
  CAS-BOT-BC327929  Palafoxia arida Ira L. Wiggins 1938-3-19 8902 Riverside Colorado Desert.25 mi W of Blythe Comment
  CAS-BOT-BC327934  Palafoxia arida Paul F. Covel 1938-4-20 1181 Riverside Palm Springs Junction Comment
  RSA707591  Palafoxia arida Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 02 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
  UCR108725  Palafoxia arida Scott D. White, Pam DeVries 1998-2-9 6084 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  SEINET10799054  Palafoxia arida David B. Dunn 1948-2-21 Dunn 3674 Riverside Seedlings; Pushawalla; a rain about two weeks earlier in wash. Hills are still quite dry. Comment
  POM6184  Palafoxia arida var. arida George B. Grant 6748 Riverside Palm Springs. Comment
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Mar 1 2014
  UCR251921  Palafoxia arida var. arida Jim Andre 2013-3-27 24844 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  SD136952  Panicum capillare Steve Boyd 1994-10-14 8393 Riverside San Mateo Canyon Wilderness Area of the Cleveland National Forest, in canyon bottom at the confluence with Bluewater Canyon 328 Comment
  SEINET269461 Image available Panicum capillare Scott D. White, A. C. Sanders 1994-10-17 2489 Riverside City of Temecula Murrieta Creek channel directly west of Cherry Street. USGS 71/2' Murrieta quad. 308 Comment
  SD152790  Papaver californicum Steve Boyd, Carol Boyd and Kyle Boyd 1992-3-21 6736 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Tenaja Canyon along trail from wilderness boundary downstream towards Fisherman's Camp. 366 Comment
  OBI82174  Parietaria hespera A. C. Sanders 2014-4-8 40973 Riverside Peninsular Range: Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  SBBG89555  Parkinsonia aculeata J. Adams 1965-5-9 211 Riverside northern section of Palm Springs on Hwy 111 243 Comment
  SEINET3133948  Parkinsonia torreyana S. B. Parish 1907-4-19 6 -101 Riverside W border of Colorado Desert 150 Comment
  SEINET10450579  Parkinsonia torreyana Carl B. Wolf 1932-4-26 Wolf 2981 Riverside 8 mi. E of Mecca, on Blythe Road. 91 Comment
  CAS-BOT-BC355866  Pectis papposa var. papposa Lewis S. Rose 1961-11-24 61063 Riverside La Quinta 15 Comment
  RSA780276  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-12 103 Riverside Unnamed Road heading toward Arica Mountains. Off Blythe/Rice Road. Base of Aricas. 334 Comment
  UCD134916  Pectis papposa var. papposa Geoffrey Levin 1976-10-17 1180 Riverside Colorado Desert. Box Canyon, about 11 mi. east of Mecca. Mecca Hills Mt. Range. Salton Sea Basin. 91 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
  RSA645674  Pectocarya linearis Scott D. White 1999-5-2 7293 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
  UCR107406  Pectocarya linearis B. G. Pitzer 1997-3-23 2991 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
  UCR111561  Pectocarya linearis Mitch Provance 1998-5-4 1710 Riverside Jurupa Mountains, SW 'Rattlesnake Mt.', above the Ormand Quarry, c. 1.5 km west of peak 1739 366 Comment
  UCR18123  Pectocarya linearis A. C. Sanders 1978-3-26 0830 Riverside Perris-Aguanga Basin region, Woodcrest area, SE of Riverside. North of Mockingbird Creek and Harley John Rd., west of Washington St. 434 Comment
  UCR91438  Pectocarya linearis Scott D. White 1995-3-30 2636 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  UCR97704  Pectocarya linearis Scott D. White 1997-2-28 4726 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UCSB15047  Pectocarya linearis subsp. ferocula Breedlove, Dennis 1962-3-11 Riverside On hillside 5.7 miles southeast of U.S. 395 on State 74, road to Hemet 487 Comment
  CLARK-A1528-338  Pectocarya penicillata C. M. Flanagan 1973-4-21 OO 302 Riverside Morongo Indian Reservation 914 Comment
  POM146227  Pectocarya penicillata F. M. Reed 1925-5-23 5031 Riverside Horsethief Canyon, Temescal Mountains. Comment
  POM368785  Pectocarya penicillata E. Crow 1929-4-21 336 Riverside North of Alberhill Comment
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Sep 29 2011
  RSA500073  Pectocarya penicillata Steve Boyd, L. Arnseth, Timothy S. Ross 1989-4-2 3239 a Riverside Vail Lake area, sandy valley at NE end of lake, N of Wilson Creek 488 Comment
  UCR201454  Pectocarya penicillata Scott D. White, Justin M. Wood 2008-6-5 12082 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 Comment
  UCR241683  Pectocarya penicillata T. B. Salvato 2013-3-22 7408 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  RSA77816  Pectocarya peninsularis F. W. Peirson 1920-2-16 1013 Riverside Palm Canyon stream below the canyon, Palm Springs. region Comment
  RSA768409  Pectocarya platycarpa J. Andre, T. La Doux 2009-2-25 10815 Riverside Chuckwalla Mountains: approx. 0.5 miles south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UCR196379  Pectocarya platycarpa Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1429 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  VVC2450  Pectocarya platycarpa Tim Thomas 2013-3-18 5937 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  RSA0124824  Pectocarya recurvata Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8750 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 123 Comment
  RSA741190  Pectocarya setosa Scott D. White, Justin M. Wood 2008-6-16 12131 Riverside Fobes Ranch Road N of Quinn Flat 1390 Comment
  UC1088550  Pediomelum californicum Peter H. Raven 1958-5-18 12983 Riverside San Jacinto Mountains, Pinyon Flats Comment
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Jun 9 2012
  UC669244  Pellaea andromedifolia Annie M. Alexander and Louise Kellogg 1941-2-28 1879 Riverside Andreas Canyon; San Jacinto Mts Comment
  RSA342567  Pellaea andromedifolia var. andromedifolia R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54071 Riverside San Bernardino Mts: Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA686926  Pellaea mucronata Gale Sphon 1955-5-21 21 Riverside 5 miles south of Banning Comment
  UCR174376  Pellaea mucronata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32624 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
  RSA320391  Pellaea mucronata subsp. californica W. Wisura, B. Busenberg 1984-10-19 4027 Riverside Santa Rosa Mountains: along top of ridge on N side of Toro Peak Comment
  RSA507458  Pennisetum setaceum 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
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Dec 20 2009
  UCR207247  Pennisetum setaceum O. F. Clarke 2004-4-9 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  SDSU10926  Penstemon bridgesii M. De Lisle 1962-7-28 19 Riverside Hwy 74 at the malibox to Mt. Baldy Ranch Camp Grounds. 1356 Comment
  UCR35260  Penstemon centranthifolius L. B. Ziegler 1967-6-1 148 Riverside San Jacinto Mountains, Hemet Valley, near Hemet Lake. 1341 Comment
  OBI29879  Penstemon clevelandii Melissa Luckow, Rhonda Riggins 1982-4-15 822 Riverside 1.5 mi SE of Pinyon Crest Rd, 9.6 mi NW jctn Hwy 74 and 371 in Paradise Valley along hwy 74 1158 Comment
  UC54999 Image available Penstemon clevelandii H. M. Hall 1901-6-1 2149 Riverside along borders Colorado Desert; eastern base San Jacinto Mountains; near Van Deventers, San Jacinto Mts. Comment
  UCD124053  Penstemon clevelandii Mitch Provance; Kerry Knudsen, Petra Wester 2004-5-8 9020 Riverside Santa Rosa Mountains: ca. 0.05 mile south of Santa Rosa Mt. Road from Hwy 74. 1402 Comment
  NY583964  Penstemon clevelandii var. connatus F. W. Pennell 1940-4-28 25288 Riverside Route 74, below Ribbonwood, east of San Jacinto Range 1066.8 Comment
  UC1329887  Penstemon eatonii var. undosus James E. Cole 1941-5-29 813 Riverside Stubby Spring Road Joshua Tree National Monument, Stubby Spring Road 1432 Comment
  RSA412472B  Penstemon labrosus Albert J. Perkins 1916-9-20 s.n. Riverside Tahquitz Valley. Comment
  UC454142  Penstemon labrosus I. J. Condit 1910-6-21 Riverside near Idyllwild (San Jacinto Mts.); , near Idyllwild 1584 Comment
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Mar 21 2011
  RSA606176  Penstemon spectabilis Louis C. Wheeler 1930-4-13 s.n. Riverside Idyllwild. Comment
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Jul 5 2010
  VVC492  Penstemon spectabilis A. C. Sanders, J. Mac 1997-5-4 20676 Riverside San Jacinto Mountains, N side of the range, 0.2 mi. N of Twin Pines Ranch Road on the dirt road to Brown Creek and Cabazon. 1098 Comment
  NY661159  Penstemon spectabilis var. spectabilis P. A. Munz 1923-6-14 7063 Riverside Santa Ana Mountains. Trail, Glen Ivy to Santiago Peak 1219.2 Comment
  NY661179  Penstemon spectabilis var. spectabilis R. M. Straw 1953-6-25 487 Riverside Santa Rosa Mountain Truck Trail, San Jacinto Mountains, Palms to Pines Highway 1676.4 Comment
  UC54996  Penstemon spectabilis var. spectabilis H. M. Hall May 17 1901-Jun 1 1901 1893 Riverside Coyote Canyon El Toro Mt. Comment
  RSA0070717  Pentagramma triangularis Scott D. White, Angelia Carey 2004-4-5 9986 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA772010  Pentagramma triangularis subsp. triangularis Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4961 Riverside 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
  LA204582  Peritoma arborea Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  SBBG2633  Peritoma arborea H. and M. Dearing 1940-11-10 5012 Riverside near Whitewater Comment
  CAS-BOT-BC77495  Peritoma arborea var. angustata R. Bacigalupi 87 Riverside Canyon Springs Comment
  CAS-BOT-BC73773  Peritoma arborea var. arborea Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC77571  Peritoma arborea var. globosa Steve Boyd 1994-10-14 8402 Riverside Southern Santa Ana Mountains, Santa Rosa Plateau, east of the Tenaja Guard Station of the Cleveland National Forest 670 Comment
  RSA703809  Perityle emoryi LeRoy Gross 2005-3-3 1600 Riverside Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  SD127618  Perityle emoryi David Charlton 1988-2-18 1121 Riverside South side of Little San Bernardino Mountains. Fargo Canyon Road to Cottonwood Wash, south of Joshua Tree, 1 mile east of junct Dillon Road 609 Comment
  UCR72233  Perityle emoryi Theo Glenn 1991-5-24 91- 133 Riverside Sonoran (Colorado) Desert, Palen Mtns, NE of Desert Center 399 Comment
  CAS-BOT-BC167762  Petalonyx thurberi E. H. Daniels; J. Bates 1932-6-5 s.n. Riverside Palm Springs. Colorado Desert 137 Comment
  CAS-BOT-BC167774  Petalonyx thurberi L. R. Abrams 1926-3-26 11106 Riverside Between Edom and Garnet east of San Gorgonio Pass Comment
  SEINET7048060  Petalonyx thurberi subsp. thurberi Steven R. Hill 2001-4-29 33537 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
  RSA69829  Petunia parviflora J. C. Roos 1951-10-19 5327 Riverside San Jacinto Valley near south end of Old Jackrabbit Trail. 457 Comment
  RSA796452  Peucephyllum schottii Duncan S. Bell 2009-4-18 226 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
  POM14741  Phacelia ambigua F. W. Peirson 1922-4-11 s.n. Riverside Deep Canyon Wash, Coachella Valley 244 Comment
  RSA699141  Phacelia ambigua J. R. Bruff 1927-3-13 s.n. Riverside Edom Comment
  RSA613905  Phacelia brachyloba A. C. Sanders, P. Mackay, Tim C. Thomas, O. F. Clarke 1997-5-4 20648 Riverside San Jacinto Mountains north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740. Comment
  UCR37457  Phacelia brachyloba 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
  RSA427702B  Phacelia campanularia N. C. Cooper 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  SD4103  Phacelia campanularia Ruth B. Randall 1926-2-22 Riverside Whitewater Pass Comment
  UCSB38663  Phacelia campanularia Cowan, Clark 1978-4-25 Riverside 6.7 mi. (10.7 km.) SW on 74 from jct. with 71, 4.6 mi. (7.3 km.) from Lake Elsinore, Santa Ana Mts. Cleveland Nat. F. Comment
  SEINET5537058  Phacelia campanularia I. W. Clokey 1935-4-17 6839 Riverside Cottonwood Springs Comment
  HSC13694  Phacelia campanularia subsp. vasiformis C. L. Hitchcock, C. V. Muhlick 1964-3-22 23245 Riverside Side canyon near S entrance to Joshua Tree National Monument Comment
  SD244170  Phacelia cicutaria var. hispida A. C. Sanders, Timothy W. Chumley 2013-4-2 40757 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Road and Hostettler Road, south of I-15 Fwy, SE of Corona (Lee) Lake (Alberhill 7.5'Q) 405 Comment
  CLARK-A1528-5435  Phacelia crenulata John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  UCR52007  Phacelia crenulata Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2101 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCR85081  Phacelia crenulata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16037 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  JOTR16723  Phacelia crenulata var. ambigua Walters, Jim 1967-3-6 s.n. Riverside Joshua Tree National Park. UPPER WILSON CANYON 975 Comment
  UCSB34131  Phacelia crenulata var. ambigua Nilsen, Erik 1977-3-5 Riverside Upper Bajata, Riverside county 304 Comment
  SD241052  Phacelia crenulata var. minutiflora Dave Silverman, Onkar Singh 2010-3-27 8056 Riverside North edge of Palo Verde Mesa, 150 m south of McCoy Wash, 5.3 km WSW of Mesaville Siding, and 6.1 km north of Blythe Airport. 136 Comment
  CAS-BOT-BC133968  Phacelia distans Geo. B. Grant 1906-4-20 6780 Riverside Palm Springs Comment
  CHSC713  Phacelia distans V. Holt 1942-3-20 Riverside Desert Center. Comment
  POM118674  Phacelia distans Marcus E. Jones 1924-7-22 s.n. Riverside Desert Center. Comment
  RSA650565  Phacelia distans Marion P. Harthill 1971-3-19 21 Riverside Palm Desert. Comment
  RSA784136  Phacelia distans J. D. Olmsted 1959-4-30 502 Riverside Spring Trail at Beacon Pines Ranch; 9 miles southwest of Corona. Santa Ana Mountains. Drainage area to Santa Ana River. 747 Comment
  UC1979613  Phacelia distans D. L Banks, Steve Boyd 1995-5-3 0187 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  UCR243128  Phacelia distans Kate Kramer 2012-5-25 263 Riverside Along Highway 243, between Mt. Edna Road and Vista Grande fire station. 1387 Comment
  JOTR16715  Phacelia fremontii Wanrow, E. 1968-5-6 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 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
  UCR18512  Phacelia lemmonii A. C. Sanders 1980-2-1 391 Riverside Santa Rosa Mtns., Carrizo Creek just off Hwy 74 610 Comment
  RSA428083  Phacelia minor H. Twining 1888-03 s.n. Riverside Riverside. Comment
  RSA568711  Phacelia minor Walter Wisura, A. King, L. Newcomb 1992-4-4 4665 Riverside Mission Creek Ranch, W of Hwy 62 below Morongo Valley. Comment
  RSA602235  Phacelia minor R. S. Woglum 1934-3-18 645 Riverside Peninsuar Ranges: San Jacinto Mountains, Coachella Valley, Snow Creek. Comment
  UC73696  Phacelia minor Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR113612  Phacelia minor A. C. Sanders 1998-1-15 21636 Riverside Lake Skinner area, rocky knob (2527 ft.) along dirt road toward Crown Valley, NE of Black Mtn. 762 Comment
  UCR121086  Phacelia minor A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24961 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR241209  Phacelia minor Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 03 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, just inside gate at mouth of Hathaway Canyon 741 Comment
  UCR517  Phacelia minor Rodney Hendrick 1965-4-24 s.n. Riverside Box Springs Mtns., Box Springs Mtn, near top of mtns, near Dog Lady's House [old house near crest of range along road from Pigeon Pass; later park ranger's house] 762 Comment
  RSA428115  Phacelia mutabilis M. B. Dunkle 1933-7-19 3680 Riverside Upper Tahquitz Valley. Strawberry Creek. 2409 Comment
  HSC28492  Phacelia pedicellata Richard Spjut 1973-4-10 3294 Riverside Colorado Desert, N face of Chuckawalla Mtns., 3-4 mi. S of Desert Center 305 Comment
  RSA78725  Phacelia pedicellata P. A. Munz 1952-4-15 17342 Riverside Canyon 2 miles west of Monument Peak, Joshua Tree National Monument. 1067 Comment
  UCR176895  Phacelia ramosissima Tracy Tennant 1998-7-1 s.n. Riverside Double Butte, between Winchester and Homeland 762 Comment
  CAS-BOT-BC145002  Phacelia ramosissima var. latifolia Edmund C. Jaeger 1925-5-2 s.n. Riverside Keyes Water Canyon, Box Springs Mtn. Comment
  SD247291  Phalaris minor A. C. Sanders, Jim Malusa 2015-3-10 41380 Riverside Sonoran (Colorado) Desert: north end of Chocolate Mountains, eastern canyon at Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range (East of Red Canyon 7.5'Q) 611 Comment
  UCR91871  Phalaris minor A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18044 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  SEINET186318 Image available Philadelphus microphyllus var. stramineus Philip A. Munz 1938-1 15392 Riverside Ridge east of Toro Peak, Santa Rosa Mountains. 2438 Comment
  UCD89319  Phleum alpinum Carl V. Meyer 1928-7-26 538 Riverside San Jacinto Mountains, Deer Springs. 2651 Comment
  RSA0122709  Pholistoma membranaceum Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9055 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  UCR200401  Pholistoma membranaceum Tasha La Doux, Jim Andre 2008-3-21 138 Riverside Eastern Mojave Desert, Joshua Tree National Park, Upper Cottonwood Canyon, c. 2 mi south of Cottonwood Visitors Center in canyon just west of paved road 881 Comment
  HSC15915  Phoradendron bolleanum C. L. Hitchcock 1966-3-16 24200 Riverside Along Palms to Pines Hwy., 10 mi. S of Palm Desert Comment
  RSA793530  Phoradendron californicum Naomi S. Fraga, David Fraker, Tommy Stoughton 2012-3-15 3953 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  SEINET3073024 Image available Phoradendron densum A. C. Sanders, P. MacKay, L. & P. Lubinsky 1994-10-30 15853 Riverside Catclaw Flat Quad. San Bernardino Mountains; White water River Canyon between Red Dome and Stills Landing, SE of VABM Paw. 850 Comment
  CLARK-A1528-889  Physalis crassifolia 1947-2-1 Riverside Pinyon Crest Comment
  JEPS68692  Physalis crassifolia Annie M. Alexander and Louise Kellogg 1939-1-2 276 Riverside Mouth of Spring Canyon, Clemens Well Wash Spring Canyon; , Clemens Well Wash Comment
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Apr 23 2011
  JOTR34307  Physalis crassifolia Andre, Jim 2012-4-11 20721 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
  RSA28050  Physalis crassifolia I. L. Wiggins 1941-3-27 9673 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA645636  Physalis crassifolia Scott D. White 1999-4-20 7273 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
  UCR94494  Physalis crassifolia Steve Boyd 1981-2-5 s.n. Riverside Peninsular Range, Gavilan Hills Region, S flank of Monument Peak along abandoned road grade leading SW into Dawson Canyon 549 Comment
  CAS-BOT-BC45829  Pilostyles thurberi L. N. Goodding 1943-10-28 88 -43 Riverside On Dalea Emoryi; 57 miles south of Indio, California Comment
  POM11828  Pilularia americana P. A. Munz, I. M. Johnston 1922-5-19 5567 Riverside Menifee Valley. 427 Comment
  RSA234023  Pilularia americana R. F. Thorne, Earl Lathrop 1969-5-19 37966 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 624 Comment
  RSA357156  Pilularia americana R. F. Thorne 1973-5-23 43854 Riverside Santa Rosa Plateau: N side of Mesa de Colorado. Santa Ana Mountains 609 Comment
  CAS-BOT-BC78472  Pinus contorta subsp. murrayana Winifern W. Swarth 1915-9-10 s.n. Riverside Ridge west of Tahquitz Valley (highest point on Strawberry Valley Trail), San Jacinto Mts. 2438 Comment
  CAS-BOT-BC78434  Pinus contorta var. latifolia Carl B. Wolf 1932-8-5 3984 Riverside San Jacinto Mts., Summit of San Jacinto Peak 3293 Comment
  UC64553  Pinus lambertiana H. M. Hall 1902-4-16 2885 Riverside w side Tahquitz Peak; San Jacinto Mountains 2438 Comment
  LA6148  Pinus ponderosa Carl Epling; 1931-10-3 sn Riverside San Jacinto Mountains, Strawberry Valley Comment
  UC1200619  Pinus ponderosa Peter Kamb 1945-11-18 11 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  RSA0077527  Pinus ponderosa G. Wallace 1964-4-22 s.n. Riverside Idlewild Area. Comment
  UCR19284  Pinus quadrifolia John C. Roos 1947-4-5 3436 Riverside San Jacinto Mtns., Head of Thomas Valley 1463 Comment
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Oct 25 2011
  RSA588669  Piperia elongata Darin L. Banks, Steve Boyd 1995-10-26 825 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, N of the first grassland areas along trail. Approximately 0.8 miles from the Wilderness boundary. 720 Comment
  UCR92693  Plagiobothrys arizonicus A. C. Sanders, E. J. Lawlor, C. L. Sanders 1996-4-21 18068 Riverside S slope of San Bernardino Mtns, Morongo Indian Reservation, grounds of the Malki Museum, NE of Banning. 732 Comment
  SBBG87985  Plagiobothrys canescens B. Wagner 1988-3-9 Riverside Benton Rd and San Diego aqueduct, 0.5 mi E of Winchester Rd, NE of Murrieta 411 Comment
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Mar 20 2011
  UCD120816  Plagiobothrys canescens Bill Wagner 1988-3-9 s.n. Riverside Benton Rd. and San Diego aqueduct, 1/2 mile E of Winchester Rd., NE of Murrieta. 411 Comment
  UCR48486  Plagiobothrys canescens Steve Boyd 1986-3-3 1376 Riverside Perris Basin, Good Hope Valley, c. 5 mi. west of Perris; DePrad Street, 0.5 mi. east of Cowie Avenue. 488 Comment
  UCR239790  Plagiobothrys collinus O. F. Clarke 2004-2-27 s.n. Riverside Peninsular Range, Riverside; hills above (south of) UCR Botanical Garden 436 Comment
  UCR112525  Plagiobothrys collinus var. californicus Mitch Provance 1998-2-13 8 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.3 km east of peak 1768, and c. 0.3 km south of Riv. / S.B. county line. 442 Comment
  RSA543847  Plagiobothrys collinus var. fulvescens Steve Boyd, Orlando Mistretta 1991-5-22 6298 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UCR260885  Plagiobothrys collinus var. fulvescens A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41568 Riverside Peninsular Range, Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15 370 Comment
  RSA763418  Plagiobothrys collinus var. ursinus Scott D. White, Justin M. Wood 2009-5-21 12875 Riverside Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  POM368988  Plagiobothrys leptocladus F. R. Fosberg 1932-5-9 10640 Riverside near Perris Comment
  UCR114956  Plagiobothrys leptocladus Fred M. Roberts 1992-4-25 4869 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  UCR182429  Plagiobothrys leptocladus Mitch Provance 2005-5-17 6593 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  RSA180399  Plagiobothrys nothofulvus E. W. Lathrop 1965-3-30 5598 Riverside 14 miles W of Murrieta. Comment
  CLARK-A1045-190  Plagiobothrys tenellus George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains Southern Oak Woodland; Wildomar 7.5'Q Comment
  RSA523545  Plantago erecta Steve Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4005 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA524397  Plantago erecta Steve Boyd, Tim S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4119 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
  RSA525322  Plantago erecta Steve Boyd, D. Bramlet 1990-4-29 4476 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  CLARK-A1045-128  Plantago insularis George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  RSA0119999  Plantago ovata Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9090 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 550 Comment
  RSA770450  Plantago ovata Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4562 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC310582  Plantago ovata Philip A. Munz 1926-1-31 9978 Riverside Dos Palmos Spring Colorado Desert Comment
  POM68906  Plantago ovata var. fastigiata Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  UC4557  Platanthera leucostachys H. M. Hall 1897-7-22 727 Riverside San Jacinto Mts. 1828 Comment
  SD236358  Platanus acerifolia A. C. Sanders, D. L. Sanders 2008-9-27 36103 Riverside San Bernadino Valley Region: Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and pint NW of Vine Street & Halfmoon Court intersection, c. 1 mile NE of River Road bridge. 164 Comment
  RSA445707  Platystemon californicus Ora M. Clark 1929-2-2 1611 Riverside Waste fields, near Elsinore Comment
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Nov 9 2011
  RSA445710  Platystemon californicus H. Twining 1890-02 s.n. Riverside Riverside. Comment
  UCR116914  Platystemon californicus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23957 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  POM320420  Pleuraphis rigida Lynne Hayden 1970-3-24 57 Riverside Palm Springs, Chino Canyon, first alluvial fan 549 Comment
  RSA0021527  Pleuraphis rigida Jim Andre 2013-3-27 24809 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  RSA761079  Pleuraphis rigida Thomas Stoughton, J. McConnaughy, Andrew Monks, M. Volke 2010-4-22 159 Riverside Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak. 213 Comment
  SBBG29418  Pleuraphis rigida D. Myrick 1968-3-4 1807 Riverside Palms to Pines Hwy out of Palm Desert Comment
  UC38597  Pleuraphis rigida H. M. Hall June, 1901 2118 Riverside eastern base San Jacinto Mountains (along the borders of the Colorado Desert); borders of the Colorado Desert, San Jacinto Mountains Comment
  UC589872  Pleuraphis rigida H. S. Yates 1937-3-23 6424 Riverside 5 mi nw Edom; Thermal Quad., nw of Edom Comment
  RSA152502  Pleurocoronis pluriseta R. C. Bacigalupi 1953-4-20 4044 Riverside Close to head of Lost Palms Canyon, 3 miles N of Shavers Summit, Joshua Tree National Monument. 762 Comment
  UC485542  Pleurocoronis pluriseta F. M. Reed 1917-5-19 3870 Riverside Palm Canyon Colorado Desert Comment
  UC501498  Pleurocoronis pluriseta D. A. Johansen and J. A. Ewan 1932-4-12 7107 Riverside above Coachella Valley; Colorado Desert, Devils Canyon Comment
  POM4878  Pluchea odorata Geo R. Hall 1905-09 s.n. Riverside Riverside Comment
  CAS-BOT-BC326547  Pluchea sericea Herman Knoche 1919-6-1 592 Riverside Palm Springs Comment
  RSA0014461  Pluchea sericea Justin M. Wood, J. Miner 2010-4-29 1534 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  UCR182097  Poa annua Tom Chester 2005-4-26 596 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Sylvan Meadows Road, 0.14 miles (0.2 km) west of jct. with Torino Trail 562.5 Comment
  UC39596  Poa fendleriana subsp. longiligula W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1913 Riverside near summit Santa Rosa Peak 2590 Comment
  CHSC109236  Poa pratensis Scott D. White; Justin M. Wood 2008-6-19 12260 Riverside San Jacinto Mountains: Meadows at Baldy Mountain. 1631 Comment
  UC1931207  Poa pratensis Scott D. White, Justin Wood 2008-6-19 12268 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  UC1930101  Poa secunda Scott D. White, Justin Wood 2008-6-16 12147 Riverside San Jacinto Mountains: Meadow at Quinn Flat. Comment
  UCR19665  Poa secunda John C. Roos 1950-2-25 4710 Riverside Pass between Reche Canyon and Pigeon Pass Road 457 Comment
  RSA91514  Poa secunda F. W. Peirson 1921-3-22 5368 Riverside Murray Canyon, near Palm Springs 396 Comment
  JOTR33942  Poa secunda subsp. secunda La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2831 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  SEINET949798 Image available Poaceae Michael L. Fugate 2007-1 Riverside San Bernardino Valley: Riverside at 1469 Claymore Court, just east of Sycamore Canyon (Riverside East 7.5' Q). 488 Comment
  RSA339614  Polygonum lapathifolium Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55371 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  UCR37488  Polypodium californicum Steve Boyd 1981-2-2 s.n. Riverside Peninsular Range, Gavilan Hills, Rocky Bluff Ridge Comment
  RSA599400  Polypodium hesperium R. E. Riefner, C. Jones 1996-8-28 96 -159 Riverside San Jacinto Mountain, W summit of Devil's Slide Trail Comment
  SEINET1004495  Polypogon monspeliensis T. B. Salvato, Kent Beaman 2005-1 846 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista just downstream from the Forest Service Boundry and N of CA Hwy 74. 549 Comment
  RSA741556  Polypogon viridis Justin M. Wood 2008-9-30 175 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA770886  Populus fremontii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4589 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR22140  Populus fremontii Steve Boyd 1980-5-17 290 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  UCR84215  Populus fremontii A. C. Sanders, M. Jacobsmyer, C. L. Sanders 1995-2-5 15905 Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater Canyon, between Bonnie Bell & the fish hatchery 550 Comment
  SEINET10932113  Populus fremontii David B. Dunn 1946-3-17 Dunn 2101 Riverside At pushawalla palms by the springs. Indio hills. Comment
  RSA799070  Populus fremontii subsp. fremontii Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6866 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  UC1134775  Populus fremontii subsp. fremontii R. St. John 1930-2-14 95 Riverside Lewis Valley; San Jacinto Quad., Lewis Valley Comment
  CAS-BOT-BC356166  Porophyllum gracile Carl B. Wolf 1932-4-29 3093 Riverside Eastern Colorado Desert. W. edge of Maria Mts. 17 mi. from Blythe on Rice Road 152 Comment
  RSA356637  Potamogeton foliosus Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. L. Lathrop 1975-8-29 47291 Riverside Santa Rosa Plateau: Ranch California near Jct of road to Santa Rosa Ranch from Tenaja Road, in shallow water of large pool in intermittent stream 549 Comment
  RSA740930  Potamogeton foliosus var. foliosus Scott D. White, Justin M. Wood 2008-7-9 12433 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  RSA499237  Potentilla glandulosa subsp. nevadensis E. C. Jaeger 1921-7-9 s.n. Riverside S. side Strawberry Valley. 1585 Comment
  CAS-BOT-BC540421  Potentilla gracilis var. fastigiata H. M. Hall 1898-1-1 s.n. Riverside Unspecified Comment
  UC667371  Prenanthella exigua Annie M. Alexander and Louise Kellogg 1941-5-23 2221 Riverside 3 1/2 mi ne Cottonwood Spring (Eagle Mts.); Eagle Mts. 1066 Comment
  RSA799516  Prosopis glandulosa Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4779 Riverside East side of Arica Mountains; west side of Rice Valley approximately 6 air miles southeast of the ghost town of Rice or approximately 5.25 air miles east southeast of Priests Well. 211 Comment
  UCR82245  Prosopis glandulosa var. torreyana J. M. Stewart 1994-5-2 858 Riverside Western Colorado Desert, Coachella Valley, Thermal, Filmore Street & Avenue 66 Comment
  CAS-BOT-BC216515  Prosopis pubescens W. R. Dudley 1903-12-1 s.n. Riverside Near Palm Springs Comment
  CLARK-A1656-891  Prosopis pubescens Jim Cornett 1977-7-11 Riverside Thousand Palms Canyon 182 Comment
  RSA86976  Prosopis pubescens F. W. Peirson 1920-12-29 2338 Riverside Andreas Canyon near Palm Springs 244 Comment
  SEINET10903690  Prosopis pubescens David B. Dunn, A. Folsom 1948-6-17 Dunn 3793 Riverside At camp in Pushawalla Canyon under palms. Comment
  UCR244386  Prunus fasciculata var. fasciculata Jim Andre 2012-4-16 20967 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  CAS-BOT-BC151118  Prunus fremontii Ivan Johnston 1917-4-4 1101 Riverside Palm Canyon - Colorado Desert 670 Comment
  CAS-BOT-BC151126  Prunus fremontii L. R. Abrams 1926-3-26 11067 Riverside Palm Springs to Palm Canyon Comment
  RSA78209  Prunus fremontii J. C. Roos, L. Roos 1953-3-21 5908 Riverside Mouth of Andreas Canyon, south of Palm Springs. 274 Comment
  RSA562488  Prunus ilicifolia Steve D. Boyd, Tim S. Ross 1992-5-5 7248 Riverside Southern Santa Ana mountains, San Mateo Canyon Wilderness Area. Isolated grassland area south Oak Flats, southwest of the Bluewater Trail 732 Comment
  RSA773115  Psathyrotes ramosissima Thomas Stoughton, Jackie McConnaughy, Andrew Monks 2010-12-1 723 Riverside Coachella Valley Preserve. Ca 0.25 mile E of road. Site no. 3. 305 Comment
  SBBG100841  Psathyrotes ramosissima W. L. Halvorson 1977-3-8 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UC468780  Pseudognaphalium biolettii Fred M. Reed 1903-3-1 214 Riverside Box Springs Mts.; ; <west base of Box Springs Mts., fide dup> Comment
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Apr 30 2011
  UCR117085  Pseudognaphalium biolettii A. C. Sanders, T. B. Salvato 2001-5-16 24302 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
  UCR90953  Pseudognaphalium biolettii Scott D. White 1996-3-16 3826 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  CHSC256  Pseudognaphalium californicum E. Thomas 1940-4-21 Riverside Palm Canyon. 457 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
  UCR281562  Pseudognaphalium canescens subsp. microcephalum Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-6-5 617- 83 Riverside Temescal Valley, Mayhew Wash, S side of Temescal Canyon Rd. at intersection with Temescal Hills Rd. 309 Comment
  MACF019472  Pseudotsuga macrocarpa Trudy R. Ericson 1974-11-9 273 Riverside Approx. 9 mi. west of intersection of St. 243 and 74, going toward Hemet. San Bernardino National Forest 1036 Comment
  UCR266318  Psilocarphus brevissimus D. E. Bramlet 1991-4-29 2076 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 6.5 km west of Hemet & c. 0.4 km west of intersection of Florida Ave./Hwy 74 & Warren Road 457 Comment
  UCR20985  Psilocarphus brevissimus var. brevissimus A. C. Sanders, Steve Boyd 1980-5-19 1483 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  RSA713575  Psilocarphus tenellus var. globiferus R. E. Riefner Jr. 2005-4-20 05 -238 Riverside SE ca. 0.5 mi from end of California Ave. off Florida Ave. (Hwy 74), and N of Stetson Ave. 463 Comment
  CAS-BOT-BC353642  Psorothamnus emoryi Roxana S. Ferris 1918-6-15 998 Riverside Gruendike's Well on Mecca-Blythe Road Comment
  JOTR31716  Psorothamnus emoryi La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 1525 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 1) sparsely vegetated desert pavements below sand ramps 335 Comment
  OBI13261  Psorothamnus emoryi Lewis S. Rose 1959-1-9 59005 Riverside Palm Desert 30 Comment
  SBBG14292  Psorothamnus emoryi E. R. Blakley 1961-9-10 4707 Riverside 20 mi W of Blythe at wash crossing of US Hwy 60-70 106 Comment
  CAS-BOT-BC340861  Psorothamnus schottii John Thomas Howell 1928-3-25 3548 Riverside Near entrance to Painted Canon [Canyon], Colorado Desert Comment
  RSA498705  Psorothamnus schottii H. de Forest 1933-4-17 s.n. Riverside Chino Canyon, Colorado Desert. Comment
  RSA766816  Psorothamnus schottii Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-3-30 114 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  CHSC850  Psorothamnus spinosus L. Nelson 1935-4-17 Riverside Colorado Desert. Comment
  SEINET5569453  Psorothamnus spinosus Forrest Shreve 1935-1 7388 Riverside Near Indio. Comment
  SEINET951769  Pteridaceae Norman C. Cooper 1944-1 1085 Riverside Andreas Canyon, Riverside County 457 Comment
  UCR35110  Pterospora andromedea L. B. Ziegler 1970-6-28 409 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon) 1677 Comment
  CLARK-A1528-764  Pterostegia drymarioides Robert Eaton 1968-5-13 680513-13 Riverside Sandia Canyon 0 Comment
  RSA392937  Pterostegia drymarioides Christopher Davidson 1973-4-1 1842 Riverside Along Hwy 74 on desert hillside facing Palm Desert. 488 Comment
  RSA678446  Pterostegia drymarioides Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10456 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA666717  Pulicaria paludosa A. C. Sanders, Chet McGaugh 2001-7-26 24472 Riverside Mockingbird Creek, beside Harley John Rd. just above Mockingbird Canyon Rd., Woodcrest area, Riverside. 427 Comment
  UC64543  Purshia tridentata var. glandulosa H. M. Hall 1897-4-7 448 Riverside near Whitewater; Colorado Desert Comment
  UCR3754  Pyrola aphylla Frank C. Vasek 1964-7-12 640712- 01 Riverside Peninsular Range; San Jacinto Mountains, Pine Cove 1878 Comment
  RSA0110604  Quercus Mitch Provance 2012-9-11 17621 Riverside Badlands of Western Riverside County: Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft, along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  UCR90959  Quercus agrifolia Scott D. White 1996-3-31 3874 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  SDSU13620  Quercus agrifolia var. agrifolia C. Mosse 1972-7-11 Riverside Comment
  POM270082  Quercus berberidifolia Lyman Benson 1933-3-31 4145 Riverside San Bernardino Mt. Range. US 66 [actually US 60], Beaumont. 457 Comment
  RSA180342  Quercus berberidifolia E. W. Lathrop 1965-10-27 6020 Riverside 10 miles West of Murrieta. 640 Comment
  UCR108845  Quercus berberidifolia Heidi A. Haid 1969-8-20 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR141960  Quercus berberidifolia A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24970 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR149943  Quercus berberidifolia Scott D. White 2004-10-8 10775 Riverside Peninsular Ranges, 'Black Hills,' southeast of Lake Skinner and north of Oak Mountain 640 Comment
  CAS-BOT-BC518706  Quercus berberidifolia Mitch Provance; Jeremiah George 2012-8-4 812 -32 Riverside Western part of county: Badlands S of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero 752 Comment
  UCD45547  Quercus chrysolepis E. W. Lathrop 1966-3-23 6112 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peakm Skyline Drive, Riverside Co. Elevation 4000'. 1219 Comment
  UCSB60488  Quercus cornelius-mulleri Steele, Kelly; Wilson, Chris 1982-2-19 Riverside Corner of El Encino and Avenue La Cumbre; 0.3 miles north from the junction of Carrizo Road and Hwy. 74. San Jacinto Mts. 1036 Comment
  SEINET10478246  Quercus dumosa var. turbinella David B. Dunn 1947-10-9 Dunn 3529 Riverside Around large boulder in joshua tree national monument at campground area by Hidden valley Comment
  UCR56698  Quercus engelmannii Jack Easton 1989-4-18 s.n. Riverside Antelope Valley area north of Murrieta. c. 1.5 mi. NW of intersection of Antelope Road and Hwy I-15, and due north of intersection of Nutmeg and Jackson Streets. 396 Comment
  UCD47606  Quercus wislizeni var. frutescens C. W. Tilforth; W. Wisura 1979-10-11 1920 Riverside 2 mi. west of highway 74 along Thomas Mtn. Rd., ca. 1 mi. south of Lake Hemet, Garner Valley, Riverside County, California. Comment
  UCR9306  Quercus wislizeni var. frutescens Ted Hanes 1966-11-21 s.n. Riverside San Bernardino Mtns, Millard Canyon, 7 mi north of Cabazon 1159 Comment
  UCR22074  Rafinesquia californica Steve Boyd 1980-4-27 135 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  JEPS26553  Rafinesquia neomexicana Peter Kamb 1948-4-11 861 Riverside 5 mi e Garnet (Aqueduct Road); Coachella Valley Comment
  JOTR28944  Rafinesquia neomexicana La Doux, Tasha 2005-3-30 1180 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  SEINET3159744  Ranunculus alismifolius F. M. Reed 1908-7-12 2519 Riverside San Jacinto mountains Comment
  UC1929612  Ranunculus californicus Scott D. White 2003-3-21 8817 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  UC63845  Ranunculus californicus H. M. Hall 1897-4-10 435 Riverside Pico's San Jacinto Valley (along ditch) Comment
  RSA0005415  Ranunculus californicus var. austromontanus P. A. Munz 1927-5-21 10892 Riverside Coahuila Valley. 1372 Comment
  RSA613313  Raphanus sativus D. L. Banks 1997-3-1 1378 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  RSA785511  Rhamnus crocea Doris Bowers 1972-4-15 1852 Riverside Near SBCM dig on Pulgas Creek Rd., Rancho Calif. 396 Comment
  SDSU20273  Rhamnus ilicifolia Adrienne D. Russell, Tahirch Linz & Matt Guilliams 2000-4-29 125 Riverside Santa Margarita Ecological Reserve, Temecula, insect trail, mapping project for plant taxonomy class. Comment
  UC592933  Rhamnus ilicifolia Carl B. Wolf 1932-5-25 Riverside n of Banning (Gilman Ranch in the foothills) 853 Comment
  UCR154841  Rhamnus ilicifolia A. C. Sanders, Mike Misenhelter 2005-3-23 29282 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  SBBG59933  Rhododendron occidentale M. Lewis 1947-8-26 9 Riverside Dark Cyn 1981 Comment
  SD119922  Rhododendron occidentale Louis B. Ziegler 1969-7-3 384 Riverside San Jacinto Mountains, North Fork of the San Jacinto River. 1890 Comment
  JOTR35932  Rhus aromatica De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6880 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 914 Comment
  CLARK-A1528-1411  Rhus integrifolia John C. Roos 1950-2-18 4707 Riverside Box Springs Mountains 774 Comment
  LA62865  Rhus ovata Elizabeth McClintock; 1939-12-28 sn Riverside San Timoteo Canyon Comment
  LA62867  Rhus ovata Harlan Lewis; 1939-10-23 1040 Riverside Santa Rosa Mountains, Pinyon Flats, Pines to Palms Highway 1219 Comment
  POM210815  Rhus ovata Victor Duran 1933-7-3 3498 Riverside 2 miles east of Pinyon Flat, Santa Rosa Mountains. 1067 Comment
  RSA386389  Rhus ovata N. C. Cooper 1944-4-22 1164 Riverside Banning, 732 Comment
  RSA291592  Rhus trilobata var. pilosissima C. W. Tilforth, Walter Wisura 1979-4-11 1767 Riverside East end of Murrieta-DeLuz Rd, ca. 2 air mi. south of Murrieta. 335 Comment
  RSA403704  Rhus trilobata var. pilosissima Ora M. Clark 1929-4-6 1951 Riverside South of Hemet. Comment
  SEINET273139 Image available Ribes aureum var. gracillimum A. C. Sanders 1997-3-26 20114 Riverside Lake Skinner area: arroyo draining toward the SE arm of the lake crossing the entrance road near the old house site (an 453 Comment
  CAS-BOT-BC108720  Ribes cereum Philip A. Munz 1937-5-30 15142 Riverside Santa Rosa Peak. 2438 Comment
  POM50270  Ribes cereum H. M. Hall 1901-07 s.n. Riverside In open forests of Tahquitz Valley. 2439 Comment
  RSA489835  Ribes cereum D. Charlton 1988-5-28 2133 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2287 Comment
  UC219063  Ribes cereum P. A. Munz 1922-6-28 5878 Riverside ridge w Toro Peak; Santa Rosa Mts. 2407 Comment
  CLARK-A1528-4130  Ribes indecorum John C. Roos 1952-2-29 5360 Riverside Box Springs Mountains 487 Comment
  POM15061  Ribes malvaceum var. viridifolium Mary F. Spencer 1922-4-22 1887 Riverside Canyon Prope [near] Banning 701 Comment
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Mar 13 2011
  POM256960  Ribes malvaceum var. viridifolium W. Pequegnat 1940-1-2 2 Riverside Indian Truck Trail, Santa Ana Mts. 610 Comment
  RSA221080  Ribes malvaceum var. viridifolium E. W. Lathrop 1966-5-8 6424 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  UC1608294  Ribes malvaceum var. viridifolium Steve Boyd, Tim Ross 1992-5-5 7237 Riverside e portions Oak Flats (along the Bluewater Trail); Southern Santa Ana Mts., San Mateo Canyon Wilderness Area 731 Comment
  SEINET272331 Image available Ribes quercetorum A. C. Sanders, OF Clarke; H Forester 1997-3-2 19766 Riverside Box Spr Mtns: E side of the range in Pigeon Pass area above W end of Quail Call Dr cyn just W of section line. UTM 10k 610 Comment
  UC205829  Romneya coulteri I. M. Johnston 1918-5-30 2012 Riverside Temescal Canyon 365 Comment
  SDSU12269  Rorippa nasturtium-aquaticum Jeremy Mass, Ryan Jacobsen 2000-4-19 18 Riverside Growing in Stone Creek near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 251 Comment
  UCR111761  Rorippa nasturtium-aquaticum S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  UCR50008  Rorippa palustris Maureen Hales Pendleton 1987-12-7 s.n. Riverside Peninsular Range, Old Vail Ranch, off Pala Rd., 1 mile south of Hwy 79 Comment
  SD255840  Rumex D. E. Bramlet 1995-5-24 2428 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: San Jacinto Wildlife Area, Lovell Unit, c. 1.83 km NE of Lakeview; east of Davis Road and 65 m south of the existing access (Contour) road, 168 m N of the San Jacinto River channel. (Lakeview 7.5'Q) 434 Comment
  RSA466040  Rumex acetosella N. C. Cooper 1944-5-6 1208 Riverside Banning. 701 Comment
  UCR271684  Rumex dentatus Mitch Provance 2011-7-4 17179 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  CAS-BOT-BC433586  Rumex hymenosepalus A. C. Sanders; Pam MacKay; E. J. Lawlor; C. L. Sanders 2000-3-19 23319 Riverside Shipley-Skinner Reserve area: Diamond Valley, off old Rawson Rd. N of Crown Valley, on future bed of Dia Val. Reservoir, now filling. 488 Comment
  UCR241057  Rumex maritimus John F. Green 2013-5-17 s.n. Riverside Peninsular Range, near intersection of Temescal Canyon Rd. and Campbell Ranch Rd. 329 Comment
  RSA653322  Rumex pulcher Mitch Provance, A. C. Sanders 2000-7-4 2095 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  POM184543  Salazaria mexicana C. L. Hitchcock 1932-4-7 12204 Riverside Chuckwalla Mountains: Corn Springs. Comment
  UCR35341  Salazaria mexicana L. B. Ziegler 1967-6-8 152 Riverside San Jacinto Mtns., Pinyon Flats 1223 Comment
  UCR93234  Salix exigua A. C. Sanders 1994-7-27 15161 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 Comment
  SD137625  Salix exigua var. hindsiana Darin L. Banks, Steve Boyd 1995-3-16 101 Riverside Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage 555 Comment
  LA208735  Salix gooddingii Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  UC143229  Salix gooddingii C. F. Baker 1903-4-4 4146 Riverside Elsinore Comment
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Jul 8 2009
  UCR232072  Salix gooddingii John F. Green 2008-4-22 04- 03 Riverside Peninsular Range, hills south of Perris, powerline route just east of the San Jacinto River, west of Goetz Rd. 438 Comment
  RSA0038297  Salix gooddingii Norman C. Cooper 1943-9-26 931 Riverside Cabazon 548 Comment
  RSA0038300  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside Colorado Desert. Lower Sonoran Zone Comment
  RSA171357  Salix lasiolepis J. D. Olmsted 1962-5-3 3531 Riverside Above old Santa Rosa Indian Village; SW side of Santa Rosa Mountain. 1905 Comment
  UC64012  Salix lasiolepis H. M. Hall 1901-6-1 2350 Riverside Tahquitz Valley San Jacinto Mountains 2438 Comment
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Sep 2 2011
  UC914201  Salix lasiolepis Charles B. Fiker May 30 1936-Apr 2 1946 3355 Riverside on Hwy. 395 s. of Temecula bridge Comment
  JEPS38361  Salix scouleriana W. L. Jepson 1903-8-6 2277 Riverside Dark Canyon San Jacinto Mt., Dark Canyon 1524 Comment
  RSA0094957  Saltugilia australis Ira W. Clokey, Edward Anderson 1935-4-16 6830 Riverside East of Hemet. 600 Comment
  RSA0095107  Saltugilia australis N. C. Cooper 1944-5-20 1281 Riverside Palms to Pines Highway, San Jacinto Mountains. 1220 Comment
  UC23852  Saltugilia splendens subsp. splendens H. M. Hall July 1901 2544 Riverside canyon tributary to Snow Creek (north side, San Jacinto Mountains); San Jacinto Mountains, North side, trib to Snow Creek Comment
  UC534837  Salvia apiana Victor Duran 1933-7-1 3491 Riverside near Santa Rosa; Santa Rosa Mts. 1828 Comment
  RSA291605  Salvia carduacea C. W. Tilforth, Walter Wisura 1979-4-11 1789 Riverside Hills on south side of Lake Skinner, east of Murrieta. 427 Comment
  RSA736954  Salvia carduacea Justin M. Wood, Scott D. White, Brandy Ulrich 2008-7-15 21 Riverside Aguanga Basin / San Jacinto Mountain foothills: W of Anza Valley, adjacent to Cave Rock Rd. Approx. 1/4 mile E of Cahuilla Indian Reservation. 1215 Comment
  UC2029919  Salvia clevelandii Scott D. White, T. B. Salvato 2001-6-8 8581 Riverside SANTA ANA MOUNTAINS: Southern margin of county, just northeast of Rainbow Valley. Comment
  JEPS62650  Salvia columbariae W. L. Jepson 1939-4-17 19137 Riverside near Twin Springs (Temescal Canyon, n end); Temescal Canyon 274 Comment
  RSA524579  Salvia columbariae Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4126 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
  UCD125702  Salvia columbariae Louis B. Ziegler 1965-11-10 s.n. Riverside Hemet Valley, San Jacinto Mountains, along a road about one mile north of Kenworthy Ranger Station. 1524 Comment
  UCD125738  Salvia columbariae Evert I. Schlinger 1952-3-28 27 Riverside Perris. 443 Comment
  UCR100097  Salvia columbariae R. G. Swinney 1967-3-5 0057 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  UCR147727  Salvia columbariae Steve Boyd, Et al. 2004-5-14 11271 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  UCR165199  Salvia columbariae S. J. Myers 2001-4-5 s.n. Riverside San Jacinto Mtns., Bautista Canyon 884 Comment
  UCR245255  Salvia columbariae Jim Andre 2012-3-19 21295 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  VVC292  Salvia columbariae P. J. MacKay 1975-4-26 s.n. Riverside Peninsular Range, Palm to Pines Hwy, Hwy 74 970 Comment
  RSA651033  Salvia dorrii Edward Kai 1970-5-21 s.n. Riverside Idyllwild; off Hwy 74. 1220 Comment
  CAS-BOT-BC226136  Salvia greatae J. C. Roos 1958-3-29 s.n. Riverside In Salt Creek Wash, 3 miles N. of Coachella Canal on E. base of Orocopia Mtns. 304 Comment
  UCR260575  Salvia leucophylla A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41546 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns., Temescal Canyon, south of Indian Truck Trail along DePalma Road, S of I-15 near drainage structure 365 Comment
  UCR143464  Salvia mohavensis Carl Epling, Wm. Robison 1933-6-26 s.n. Riverside Southern Mojave Desert, Little San Bernardino Mtns., Key's View 1524 Comment
  CLARK-A1703-1244  Sambucus caerulea Larry Beck 1975-7-21 Riverside Santa Ana River Comment
  UCR180578  Sambucus mexicana Scott D. White, Angelia Carey 2004-4-5 10009 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  RSA617141  Sarcodes sanguinea Joan Callahan 1996-6-3 s.n. Riverside San Jacinto Mountains: southern Idyllwild, 26281 Lookout Rd., near Marion View Rd. 1616 Comment
  UCR218473  Sarcostemma hirtellum Jim Andre, T. La Doux 2009-3-10 11250 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
  RSA740247  Schedonorus arundinaceus Scott D. White, Justin M. Wood 2008-7-9 12407 Riverside Johnson Meadow 1415 Comment
  RSA716544  Schinus polygamus Andrea Edwards, Lindsay Messett 2006-3-22 119 Riverside Beaumont USGS quad; just south of Highway 60, west of its intersection with Interstate 10, along railroad tracks; next to Dowling Ranch. 777 Comment
  UCD93276  Schismus C. L. Hitchcock; C. V. Muhlick 1962-3-16 22139 Riverside Temescal Canyon, 8 mi. s.e. of Corona. Comment
  CAS-BOT-BC239934  Schismus arabicus Catherine A. Toschi 1963-4-10 63 :119 Riverside Boyd Desert Research Center, 5 miles south Palm Desert 304 Comment
  JOTR31857  Schismus barbatus La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2114 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA682166  Schismus barbatus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10474 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR162279  Schismus barbatus 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
  RSA289835  Schoenoplectus maritimus B. A. Prigge 1980-9-17 4084 Riverside Coachella Valley Stormwater Channel: 1.5 miles N of Coachella where Dillon Road crosses channel. -12 Comment
  UC1076479  Scleranthus annuus subsp. annuus Herbert L. Mason 1926-4-30 3125 Riverside Pala Grade Comment
  CSUSB905  Scrophularia californica R. Thomasson 1973-5-24 Riverside Box Springs Mountains Box Springs Mountains, Box Spring Mountain Road, 1.7 miles from Pigeon Pass Road. 685 Comment
  UCR107834  Scrophularia californica subsp. floribunda D. L. Banks 1997-5-5 1980 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  POM122461  Scutellaria siphocampyloides Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  SD90502  Scutellaria siphocampyloides Robert F. Thorne, J. P. Simon and C. W. Tilforth 1969-6-24 38090 Riverside Above James Reserve in Hall Canyon, San Jacinto Mountains. 1676 Comment
  UC884052  Scutellaria siphocampyloides P. A. Munz 1922-6-23 5764 Riverside Keen Camp; San Jacinto Mountains, Keen Camp 1524 Comment
  UCSB26796  Scutellaria siphocampyloides Wilken, Dieter 1969-6-30 Riverside California State Highway 74; 0.5 miles west of Keen Camp Summit; San Jacinto Mtns Comment
  SD67927  Sedum niveum Reid Moran 1968-8-3 15346 Riverside On northeast slope, 1.0 mile northwest of Toro Peak. 2250 Comment
  CAS-BOT-BC69803  Selaginella bigelovii L. R. Abrams 1926-3-26 11082 Riverside Palm Springs. Comment
  POM11410  Selaginella bigelovii Fred M. Reed 1919-4-4 4113 Riverside Palm Springs Canyon Comment
  POM6513  Selaginella bigelovii Ivan M. Johnston 1918-4-3 1825 Riverside San Jacinto Mountains, San Jacinto Canyon 685 Comment
  RSA0123156  Selaginella eremophila Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8966 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. 668 Comment
  POM219200  Selaginella watsonii Louis Cutter Wheeler 1931-10-3 241 Riverside 3/4 mi. NNE Tahquitz Peak, San Jacinto Mts. 2560 Comment
  SD67907  Selaginella watsonii Reid Moran 1968-8-3 15356 Riverside 1 mile northwest of Toro Peak 2250 Comment
  UC1584113  Senecio californicus Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3868 Riverside cinder cone ridge at n side mouth Temecula Creek Canyon (and adjacent benches on s flank Big Oak Mts); Vail Lake Area, n side mouth Temecula Creek Canyon, s flank 396 Comment
  RSA697094  Senecio douglasii J. R. Bruff 1927-10-16 1 -U Riverside Roadside near Elsinore. Comment
  RSA472988  Senecio flaccidus var. douglasii H. de Forest 1932-8-28 s.n. Riverside W side San Jacinto Valley. Comment
  UC527694  Senecio flaccidus var. douglasii C. B. Wolf 1931-10-14 2461 Riverside roadside at Cabezon; San Gorgonio Pass 518 Comment
  POM97305  Senecio flaccidus var. douglasii P. A. Munz 1925-5-20 9848 Riverside Aguanga. Comment
  RSA777788  Senecio mohavensis J. Andre 2011-2-9 15919 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
  SD87599  Senecio mohavensis F. W. Peirson 1921-3-22 2378 Riverside Murray CaA'on near Palm Springs. 455 Comment
  UC36015  Senecio triangularis H. M. Hall July 1901 2571 Riverside vicinity Deer Springs (San Jacinto Mountains, Southern California); San Jacinto Mountains 2743 Comment
  RSA673503  Senecio vulgaris Scott D. White, Sandy Leatherman 2000-4-19 7670 Riverside Santa Ana Mountains/Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east-and north-facing slopes. 640 Comment
  JOTR30067  Senna armata La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1697 Riverside Joshua Tree National Park. Stop # 3 = Near Geology Tour rd., N of Malapai Hill 1219 Comment
  UCR85281  Senna armata Bern Schwenn 1994-4-17 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument. East side of the Hexie Mtns., SW of Bench Mark 2394, south of Pinto Mtn., & Pinto Basin Road 732 Comment
  CDA4262  Sesbania herbacea T. C. Fuller 1958-9-23 2153 Riverside Clinton Street & Avenue 46, north of Indio. 0 Comment
  IRVC29108  Sesbania herbacea Chet McGaugh 2004-11-15 s.n. Riverside Coachella Valley, 1 mile south of Thermal, parcel bounded by Ave. 58 & Ave. 60 on the north and south and by Polk and Filmore on the west and east, between the airport and Whitewater River Sonoran (Colorado) Desert -41 Comment
  CAS-BOT-BC438202  Sesuvium verrucosum P. A. Munz; I. M. Johnston 1918-4-27 2165 Riverside Lake Elsinore Comment
  UC2029956  Sesuvium verrucosum Scott D. White 2001-6-29 8633 A Riverside MENIFEE VALLEY: Abotu 1.4 air mi SW of the I-215 / Newport Rd. Interchange, northwest of the intersection of Holland Rd. and Bradley Rd. Comment
  UCR125469  Sesuvium verrucosum A. C. Sanders, P. J. MacKay, D. L. Sanders 2003-2-9 25687 Riverside Sonoran (Colorado) Desert, Coachella Valley, 84th Ave. east of Johnson St., near west edge of Salton Sea -67 Comment
  RSA728654  Setaria adhaerens R. E. Riefner 2005-12-30 5 -793 Riverside City of La Sierra; Gramercy Pl. near La Sierra Ave. 227 Comment
  UCR54044  Setaria adhaerens A. C. Sanders 1988-11-6 8740 Riverside Coachella Valley, W side of Hwy 86/Harrison St., 6.25 mi. south of junction with Hwy 111 in Coachella and 3.85 mi. north of Valerie Jean, 0.55 mi north of Ave. 60 -35 Comment
  SEINET10594020  Setaria verticillata Salvato 2005-5-17 SALVATO 932 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74 (Blackburn Canyon 7.5' Q. Old clearing on sandy alluvial terrace, riparian forest and wash woodland. 549 Comment
  SEINET7048205  Sidalcea sparsifolia Steven R. Hill, Andrew C. Sanders 2001-5-4 33717 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  UC1949955  Sidotheca trilobata R. F. Thorne, W. Wisura, D. Mitchener 1982-1 55191 Riverside Peninsular Ranges; Santa Ana Mountains region: Cleveland National Forest, along Main Divide Truck Road. Comment
  RSA515310  Silene gallica Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, NE of Mesa de Burro, creek below Guava-De Luz Road, approximately 1.5 miles SW of intersection with Hayes Avenue. 610 Comment
  RSA525698  Silene gallica Steve Boyd, Timothy S. Ross 1990-5-11 4636 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
  RSA570548  Silene multinervia Steve Boyd, Chris Frazier 1993-4-24 8007 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck rd. 792 Comment
  SEINET3289839 Image available Silene parishii M. W. Denslow, Firoozeh Navid-Ara; Valerie Soza 2003-7-15 1443 Riverside Peninsular Ranges; San Jacinto Mountains region: Northeast side of Tahquitz Peak, on a trail to Saddle Junction. On Northwest facing slope of decomposed granite. 2637 Comment
  RSA701743  Silene verecunda Steve Boyd, Valerie Soza 2004-6-22 11540 Riverside Western flank of the range in Hall Canyon, at the south end of Lake Fulmor, just north of Hwy 243. 1646 Comment
  JEPS44374  Silene verecunda subsp. andersonii Lauramay T. Dempster 1966-6-19 4275 Riverside about 1 mi below junction with spur to Santa Rosa Springs (Santa Rosa Mountain road); , below jct to Santa Rosa Springs Comment
  SD67925  Silene verecunda subsp. platyota Reid Moran 1968-8-3 15363 Riverside Ridge 1.0 mile northwest of Toro Peak. 2250 Comment
  CAS-BOT-BC202950  Simmondsia chinensis James R. Shevock 1978-4-8 5776 Riverside Along California highway 195 just off Interstate 10 near Chiriaco Summit. Base of Orocopia Mountains, Colorado Desert 396 Comment
  LA93939  Simmondsia chinensis A. L. Grant; 1932-5-7 149 Riverside Santa Rosa Mountains, Martinez Canyon Comment
  RSA0041734  Simmondsia chinensis Sarah J. De Groot, April Garbat 2013-4-9 6998 Riverside Chuckwalla Mountains: Along Graham Pass Road, 5.6 miles south of junction with Chuckwalla Spring road, ~10.5 miles south of powerline, 11.4 miles south of Chuckwalla Valley Road. Up wash along road and up side drainage to west. 436