Search Results — 2000 specimen records retrieved (1896 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CSUSB577  Abronia villosa P. A. Rauch 1966-2-19 Riverside 2 miles east of 1000 Palms Canyon at dirt road to Hidden Springs Ranch. 60 Comment
  NY43447  Abronia villosa C. R. Annable 1995-3-9 2256 Riverside BLM land, ca. 13km N of Rancho Mirage, behind A-1 Cement Comment
  POM310385  Abronia villosa var. aurita Margaret Hardinge 1946-4-15 247 Riverside Just east of Banning along hwy. Drainage area: Salton Sea. 701 Comment
  RSA0103442  Abronia villosa var. aurita Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8560 Riverside Garner Valley; west side of the highway, approximately 3.75 air miles southeast of Lake Hemet. 1370 Comment
  RSA741204  Abronia villosa var. aurita Scott D. White, Justin M. Wood 2008-5-15 11962 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  RSA784775  Abronia villosa var. aurita Duncan S. Bell 2012-3-18 3179 Riverside The Mecca Hills; southeastern section of hills; up the east fork of Hidden Springs Canyon, approximately 1.75 air miles southwest of Hidden Spring. 95 Comment
  UCR3430  Abronia villosa var. aurita Heidi A. Haid 1964-5-10 64510- 01 Riverside San Jacinto Valley, east of San Jacinto, Los Banos and Main Streets 549 Comment
  UCR94253  Abronia villosa var. aurita Scott D. White 1996-4-14 3913 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
  HSC24824  Acacia greggii James Henrickson 1971-4-2 5474 Riverside Hidden Oasis, 13 mi. E of Palm Spring 183 Comment
  UCR279406  Acamptopappus sphaerocephalus A. C. Sanders, Jim Malusa 2017-3-25 43021 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  RSA0030723  Acamptopappus sphaerocephalus Bonnie C. Templeton, I. W. Clokey 1930-4-9 1052 Riverside North of Palm Springs. Colorado Desert. 305 Comment
  RSA1218  Acamptopappus sphaerocephalus var. sphaerocephalus B. D. Stark 1930-4-1 1491 Riverside Devils garden. Comment
  SEINET4692067 Image available Achnatherum coronatum J. C. Roos 1950-1 4817 Riverside Hills NE of summit of Reche Canyon 762 Comment
  POM8459  Achnatherum hymenoides Mary F. Spencer 1920-4-11 1543 Riverside Palm Springs. Comment
  UC38406  Achnatherum hymenoides H. M. Hall May 1899 1163 Riverside base El Toro Mt.; San Jacinto Mts. 1402 Comment
  UC39984  Achnatherum occidentale H. M. Hall Jun 1 1901-Jul 1 1901 2325 Riverside near Tahquitz; San Jacinto Mts. 2682 Comment
  RSA676142  Achyronychia cooperi Scott D. White 2001-4-12 8302 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
  SBBG71600  Achyronychia cooperi Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  SD8105  Achyronychia cooperi S. B. Parish, W. F. Parish Apr 1882 Riverside Agua Caliente, Palm CaA'on of San Jacinto Mountain. Comment
Read comments
Jul 16 2010
  SBBG87343  Acmispon argophyllus var. argophyllus B. Pitzer, A. C. Sanders 1987-4-21 498 Riverside Box Springs Mtns, near southernmost radio towers 792 Comment
  RSA0125289  Acmispon maritimus var. brevivexillus Duncan S. Bell 2016-3-4 8794 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  SDSU13937  Acmispon strigosus Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2094 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  SDSU4355  Acmispon strigosus D. F. Howe 1952-4-6 2178 Riverside 12 miles east of Box Canyon. Comment
  UCR21960  Acourtia microcephala Steve Boyd 1980-7-6 318 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA748601  Adenophyllum porophylloides Scott D. White, Justin M. Wood 2009-4-28 12597 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  CAS-BOT-BC133137  Adenostoma fasciculatum Cecil Hart 1922-5-21 18 Riverside San Jacinto Pk. Comment
  RSA516749  Adenostoma fasciculatum var. fasciculatum Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA543202  Adenostoma fasciculatum var. fasciculatum Steve D. Boyd 1991-3-17 5483 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  UCSB10890  Adenostoma sparsifolium Creighton, B. 1961-5-7 Riverside 0.3 miles southwest of the junction of State Highway 74 and road to Anza, immediately south of San Bernardino National Forest, and the San Jacinto Mountains 1493 Comment
  POM870  Adiantum jordanii O. W. Robinson 1916-3-28 s.n. Riverside Miller's Canyon, Murrieta. Comment
  OBI32757  Agrostis pallens E. W. Lathrop 1965-5-23 5770 Riverside 9 mi W of Murrieta Comment
  RSA87376  Agrostis scabra F. W. Peirson 1924-7-27 4982 Riverside Dark Canyon, San Jacinto Mountains. 1768 Comment
  RSA69679  Allenrolfea occidentalis F. W. Peirson 1926-1-31 6487 Riverside Dos Palmas, Colorado Desert. Comment
  POM13892  Allionia incarnata P. A. Munz, D. D. Keck 1922-4-9 4828 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  RSA36553  Allium denticulatum Sara M. Schenck 1941-4-25 s.n. Riverside Quail Mountain. 1006 Comment
  RSA0120327  Allium fimbriatum Duncan S. Bell, Thomas Stoughton 2016-4-14 9291 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  CAS-BOT-BC131991  Allium haematochiton James R. Shevock 1975-4-28 4265 Riverside Along the road between Mesa de Burro and Mesa de Colorado, Santa Rosa Plateau Comment
  SEINET8467184 Image available Allium haematochiton J. Henrickson 1969-1 3265 Riverside 6 miles W. of Murrieta on Colorado Mesa of Santa Rosa Plateau, in Chaparral on margin of Colorado Mesa. 701 Comment
  RSA770535  Allium lacunosum var. lacunosum S. Mashayekhi, M. Biabani, Steve Boyd 2008-4-15 SM 011 Riverside East of Elsinore Peak, on clay hill. Comment
  RSA582820  Allium munzii Mark A. Elvin 1995-6-9 48 Riverside Santa Ana Mountains: Elsinore Peak, Onion Hill; 10% W, N, E slope (around the base of hill) Comment
  SD67629  Allium praecox I. W. Clokey, E. G. Anderson 1935-4-16 6550 Riverside East of Hemet, steep slope, decomposed rock. 640 Comment
  UCR120804  Allium praecox Ian G. Gillespie, Steve Boyd 2000-4-15 01 Riverside Lake Mathews, Drainage on E side of Monument Peak 488 Comment
  RSA674662  Allophyllum divaricatum Scott D. White 2000-8-5 8113 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  RSA773119  Allophyllum violaceum Duncan S. Bell, Ryan Parker 2010-6-1 1230 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.1 air mile southeast of junction of Highway 74 and forest service road 5S15. 771 Comment
  RSA762007  Alnus rhombifolia Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 659 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA702271  Alopecurus saccatus Gary D. Wallace, B. Gustafson, T. Thomas 1983-6-23 2081 Riverside Santa Rosa Plateau, Mesa de Burro. Comment
  CAS-BOT-BC516262  Alternanthera caracasana Mitch Provance 2013-6-18 613 -30 Riverside Santa Ana River Valley: Riverside, Arlanza area, Terrace Middle School on Rutland Ave. 227 Comment
  UCR282158  Amaranthus cruentus R. E. Riefner Jr. 2017-5-18 17- 259 Riverside Perris-Aguanga Basin, city of Hemet, east of Winchester, north of Simpson Road, east of San Diego Aqueduct, west of active agricultural fields 467 Comment
  SEINET12764893  Amaranthus fimbriatus Louis C. Wheeler 1966-10-15 8985 Riverside San Jacinto Mountains, by Black Hill, by Pines to Palms Highway.; 0 975 Comment
  RSA319700  Amaranthus palmeri Patricia Wilder 1970-10-30 4820 Riverside Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area 152 Comment
  UCD97504  Amaranthus palmeri J. Sauer 1953-8-20 1666 Riverside Near Blythe. Comment
  IRVC727  Ambrosia confertiflora Linda Stilgenbauer 1965-4-25 s.n. Riverside Hwy 74 above Elsinore. Peninsular Ranges, Santa Ana Mountains Comment
  UCR278879  Ambrosia confertiflora Mitch Provance 2012-7-17 712- 19 Riverside Beaumont Plain, Banning, south of I-10, vicinity of corner of Sunset Ave. and Westward Ave. 741 Comment
  LA94842  Ambrosia dumosa T. A. Geissman; 1966-3-12 TAG- 31266 -FDA Riverside Box Canyon, E of Mecca Comment
Read comments
Sep 20 2013
  POM41493  Ambrosia dumosa Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sink near Oasis. Comment
  RSA696753  Ambrosia dumosa J. Russell Bruff 1932-3-21 s.n. Riverside 1000 Palms. Comment
  SBBG29419  Ambrosia dumosa D. Myrick 1968-3-4 1801 Riverside Desert Hot Springs 304 Comment
  SEINET10725764  Ambrosia dumosa A. K. Evans 1976-4-13 Evans 5206 Riverside Rocky slopes of Santa Rosa Mountains. Comment
  POM246654  Ambrosia psilostachya E. C. Jaeger 1938-10-30 s.n. Riverside Mecca. -30 Comment
  POM319666  Ambrosia psilostachya Patricia Wilder 1970-10-15 4769 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  RSA575931  Ambrosia psilostachya Steve Boyd 1994-10-14 8392 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland Nat'l Forest. San Mateo Canyon, sandy benches in canyon bottoms at the confluence with Bluewater Canyon. 329 Comment
  UCR115929  Ambrosia psilostachya Mitch Provance 2000-1-8 1805 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411. 305 Comment
  CAS-BOT-BC273032  Ambrosia salsola Aven Nelson; Ruth Nelson 1939-3-22 3220 Riverside Near Palm Springs Comment
  LA203746  Ambrosia salsola Harlan Lewis; 1935-4-6 sn Riverside Palm Springs 121 Comment
  SEINET10797866  Ambrosia salsola David B. Dunn 1946-3-15 Dunn 2042 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  SEINET10797877  Ambrosia salsola var. pentalepis David B. Dunn, A. Folsom 1948-6-17 Dunn 3800 Riverside By quad 2. At camp in Pushawalla Canyon under palms. Desert dry wash. Indio Hills, Colorado Desert. Comment
  CAS-BOT-BC142931  Amelanchier utahensis C. B. Wolf 1931-5-11 1955 Riverside Near Pipe Creek, above Hemet Valley - San Jacinto Mts. 1676 Comment
  SD84908  Amorpha californica Nancy Ryan Zabriskie, Walter Zabriskie 1971-8-21 441 Riverside Santa Rosa Mountains, Palm Canyon drainage, above Garnet Queen Cr. crossing of Santa Rosa Mountain Road 1830 Comment
  POM157929  Amorpha fruticosa P. A. Munz 1927-5-21 10841 Riverside Creek bank, 7 miles SW of Coahuila. Comment
  POM229036  Amorpha fruticosa P. A. Munz 1937-5-30 15111 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  RSA702051  Amorpha fruticosa Scott D. White, Angelia Carey 2004-9-16 10765 Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  RSA768578  Amorpha fruticosa Justin M. Wood 2010-5-19 1847 Riverside Santa Ana River: 0.4 miles downstream of Prado outlet channel. 137 Comment
  RSA0089613  Amsinckia intermedia A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25834 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  RSA0089628  Amsinckia intermedia Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6077 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
  RSA80004  Amsinckia intermedia F. W. Peirson 1921-3-22 s.n. Riverside Murray Canyon, near Palm Springs 487 Comment
  UCR4103  Amsinckia intermedia Ronald M. Cope 1965-3-5 S.N. Riverside valley 0.5 mi west of where Gage Canal goes underground after having crossed Le Conte Drive Comment
  LA202849  Amsonia tomentosa C. L. Hitchcock; 1940-3-31 5882 Riverside 0.5 mi. below Cottonwood Springs Comment
  UCD121201  Amsonia tomentosa William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  RSA342553  Andropogon glomeratus R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54093 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  UCD137873  Anemopsis californica Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-11 3727 Riverside Vail Lake area, wetlands of Wilson Creek, east of the lake. 472 Comment
  JOTR16558  Anisocoma acaulis Vanderspek & Nolte 1966-5-13 64541 Riverside Joshua Tree National Park. EUREKA PEAK 1682 Comment
  RSA0018999  Antennaria rosea subsp. confinis Steve Boyd, Gary D. Wallace 2005-7-30 11641 -A Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  HSC85278  Antirrhinum coulterianum Steve Boyd 1986-5-1 1819 Riverside Lower S slopes of Bachelor Mtn., E end of Lake Skinner Comment
  POM14074  Antirrhinum coulterianum Philip A. Munz, D. D. Keck 1922-4-14 4999 Riverside East of White Water Ranch. 244 Comment
  POM158439  Antirrhinum coulterianum Philip A. Munz 1927-5-21 10882 -a Riverside 10 miles SW of Coahuila [now Cahuilla]. Comment
  RSA263677  Antirrhinum coulterianum E. W. Lathrop 1968-5-2 6953 Riverside Mian DIvide Truck Trail between El Carriso and San Mateo Canyon. Cleve Nat'l forest 1220 Comment
  RSA525247  Antirrhinum coulterianum Steve D. Boyd, Tim S. Ross 1990-5-11 4625 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  UC284974  Antirrhinum coulterianum P. A. Munz 1923-6-14 7106 Riverside trail from Glen Ivy to Santiago Peak; Santa Ana Mts. 914 Comment
Read comments
Apr 1 2013
  UC1929314  Antirrhinum kelloggii Scott D. White, Justin Wood 2008-4-16 11887 Riverside Perris/Elsinore Basin; Hills to the W of I-215 and S of Scott Rd. Comment
  UCSB37379  Aphanes occidentalis Roos, John 1950-4-22 Riverside hills N.E. of the summit of Reche Canyon 822 Comment
  SEINET3080986 Image available Apiastrum angustifolium Frank Ambrey 1959-4-12 Riverside 200 yds South of Isolation Orchard on UCR Campus (300 yds W of Webber Hall) 366 Comment
  UCR174064  Apiastrum angustifolium A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32517 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  CLARK-A1703-1243  Apium graveolens Robin L. Kobaly, Larry Beck 1975-7-21 Riverside Santa Ana River Comment
  UCR3736B  Aquilegia formosa Frank C. Vasek 1964-7-25 640725- 14 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  RSA482629  Arabis pulchra Mark Morris 1929-3-17 14884 Riverside Palm Canyon. Comment
  RSA0011414  Arabis sparsiflora Duncan S. Bell, Caitlin Elam 2013-5-21 4968 Riverside On the southern side of West Ridge at the southern end of Strawberry Valley about 1.75 air miles southwest of Idyllwild. 1592 Comment
  UCR98896  Arabis sparsiflora var. californica Scott D. White 1996-8-1 4437 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UCR17061  Araujia sericifera O. F. Clarke 1970-7-27 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, University of California campus, orchard south of Pennsylvania Ave. [now Martin Luther King Blvd] and west of Canyon Crest Drive 336 Comment
  RSA629147  Arctostaphylos Jon E. Keeley 1992-7-17 16767 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629163  Arctostaphylos Jon E. Keeley 1992-7-17 16800 Riverside Road to Thomas Mountain (5S15), 6.0 km north of Toolbox Spring. 1790 Comment
  RSA629360  Arctostaphylos glandulosa Steve Boyd, Tim Ross, Orlando Mistretta 1992-3-31 6756 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 671 Comment
  RSA629385  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19507 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  CAS-BOT-BC23122  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1931-5-30 6609 Riverside Santiago Peak, Santa Ana Mts. Comment
  RSA629368  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16818 Riverside Hwy 234, 3 km N of Hwy 74, San Jacinto Mtns. 1520 Comment
  RSA192299  Arctostaphylos glandulosa subsp. zacaensis E. W. Lathrop 1966-3-2 6047 Riverside 12 miles NW of Murrieta, Skyline drive road at junction of Wildomar & Los Alamos truck trails. 426 Comment
Read comments
Jan 1 2007
  OBI14747  Arctostaphylos glauca Chris Reed 1968-11-28 108 Riverside 3 mi N of Soboba Reservation on Poppet Flats Rd, Hemet Comment
  RSA631807  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15073 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631822  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20111 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  UCR121346  Arctostaphylos glauca A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25025 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  RSA633621  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16693 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633629  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22659 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633760  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22653 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633768  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16617 Riverside Road to Santa Rosa Mountain, (7S02), 1.8 km south of Highway 74. 1560 Comment
  UCD52974  Arctostaphylos pringlei subsp. drupacea H. A. Jensen 1937-11-5 444 Riverside Upper Strawberry Valley; San Bernardino National Forest. 1859 Comment
  CSUSB1374  Arctostaphylos pringlei var. drupacea S. ally Crum 1966-5-12 Riverside San Jancinto Mountains San Jacinto Mountains. About 2 miles below Lake Fulmor on Idyllwild to Banning Road in very dense chaparral on rocky slope 1158 Comment
  RSA635768  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16730 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA635785  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16528 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  RSA635802  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16521 Riverside Red Mountain Road, 1.8 km east of R3. 850 Comment
  RSA635814  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16550 Riverside Red Mountain Road, 10.7-11.5 km east of R3. 1050 Comment
  SBBG54018  Arctostaphylos pungens R. S. Woglum 1937-5-22 575 Riverside Santa Rosa Mtns, near Santa Rosa Indian Reservation Comment
  SBBG5490  Arctostaphylos pungens M. Van Rensselaer 1937-6-24 Riverside Santa Rosa Indian Reservation Comment
  UCR213896  Arctostaphylos pungens Scott D. White, Justin M. Wood 2009-5-22 12893 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  RSA635993  Arctostaphylos rainbowensis Jon E. Keeley 1992-9-26 21611 Riverside W of Hwy 15, 1.5 km S of Temecula. 430 Comment
  RSA636177  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19476 Riverside West of Temecula, off Colman Rd., 0.8 km north of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 590 Comment
  UCD162841  Arctostaphylos rainbowensis D. O. Burge 2015-3-17 1691 Riverside Rainbow area. 410 Comment
  UCR3412  Argemone munita H. M. Whistler 1964-5-3 640503- 04 Riverside Jack Rabbit Trail, 2.2 mi from its junction with State Hwy 79 610 Comment
  SEINET3164528  Argythamnia serrata S. B. Parish 1907-4-16 6131 Riverside western borders of the Colorado Desert 360 Comment
  JOTR32649  Aristida adscensionis La Doux, Tasha, Bill Truesdell 2007-11-9 2525 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; small side canyon to east of larger wash running parallel to and east of Lost Palms Canyon (Stop 6) 655 Comment
  JOTR35378  Aristida adscensionis Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 167 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  UCR130118  Aristida adscensionis Scott D. White 2001-4-3 8232 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
  UCR139363  Aristida adscensionis I. M. Johnston 1918-4-27 1861 Riverside Santa Ana Mtns. Region, Temescal Canyon 366 Comment
  UCR2157  Aristida adscensionis F. M. Reed 1920-3-24 4216 Riverside Western Colorado Desert, Murray Canyon, a tributary of Palm Canyon near Palm Springs 305 Comment
  UCR242289  Aristida adscensionis A. C. Sanders, T. B. Salvato 2012-10-12 40420 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  SEINET10836050  Aristida adscensionis Harvey M. Hall 1905-5-1 Hall 5963 Riverside Canons along Colorado River, Colorado Desert. Comment
  UCR90325  Aristida californica Ed LaRue 1993-4-29 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 137 Comment
  RSA0041962  Aristida purpurea Duncan S. Bell, Loraine Washburn 2014-4-8 6584 Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  CAS-BOT-BC137531  Aristida purpurea var. nealleyi Philip A. Munz 1946-10-20 11575 Riverside At edge of Wash, Palms to Pines Highway, 11.5 miles south of Palm Springs to Indio Road. 1036 Comment
  SEINET7596234 Image available Aristida purpurea var. purpurea Parish 1882-1 1549 Riverside San Jacinto Comment
  UC815792  Aristida purpurea var. wrightii C. L. Hitchcock 1940-3-30 5871 Riverside Cottonwood Spring Comment
  CAS-BOT-BC90101  Artemisia annua O. F. Clarke 1998-9-22 s.n. Riverside Box Springs Mtns. foothills, in the yard at 266 Frost Court, just east of UCR (Riverside EAst 7.5' Q.) 396 Comment
  RSA342536  Artemisia californica R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54021 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 Comment
  RSA545214  Artemisia californica R. F. Thorne 1970-10 41875 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  RSA736552  Artemisia californica Scott D. White, Angelia Carey 2004-7-2 10581 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR145970  Artemisia californica June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  POM10298  Artemisia douglasiana F. M. Reed 1903-10-24 17 Riverside Cold water canyon above dam, near Riverside Comment
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Apr 7 2011
  UCR92410  Artemisia douglasiana F. M. Reed 1933-8-13 8011 Riverside South Coast; San Bernardino Valley, Riverside, Fairmont Park 245 Comment
  JOTR32638  Artemisia dracunculus La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2560 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (Stop 3) 1362 Comment
  UC205742  Artemisia ludoviciana subsp. incompta S. B. Parish 1918-4-3 11699 Riverside San Jacinto River Canyon; Oak Lodge 914 Comment
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Nov 20 2011
  POM3580  Asclepias californica Robinson, Crocker 1916-3-28 s.n. Riverside Santa Ana Mountains: Comment
  RSA500546  Asclepias californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3617 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  UCR37250  Asclepias fascicularis R. A. Fawcett 1937-8-1 s.n. Riverside Peninsular Range, Cajalco to Perris road Comment
  RSA696508  Asclepias subulata J. R. Bruff 1927-10-8 1 -R Riverside Thousand Palms. Comment
  SBBG13938  Asclepias subulata E. R. Blakley 1961-9-10 4708 Riverside Cactus City, US Hwy 60-70 E of Indio 504 Comment
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Mar 20 2011
  SEINET12320813  Asclepias subulata R. A. Schlising 1972-1 3015 Riverside Ramon Road Comment
  UCR50583  Asparagus asparagoides B. G. Pitzer, E. Misquez 1988-2-28 0636 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  SDSU17486  Aspidotis californica Jerry Jenkins 2001-3-30 2001 -006 Riverside Santa Margarita Ecological Reserve. Foot of Shaded bluff, west side of S.M. River, slightly north of station. UTM zone 6, 481700N, 3699150E. UTM transfered to GIS. Comment
  RSA69827  Aster bernardinus J. C. Roos 1951-10-19 5323 Riverside San Timoteo Canyon, El Casco. 610 Comment
  POM158199  Aster subulatus var. ligulatus Philip A. Munz, I. M. Johnston 1928-9-6 11282 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  CAS-BOT-BC154110  Astragalus N. Aitkenhead 1977-1-31 s.n. Riverside ~1 mi E. of junct. of Dillon Rd & T/L in N. Palm Springs Comment
  RSA748374  Astragalus aridus Justin M. Wood 2009-3-26 408 Riverside Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  CLARK-A1528-2737  Astragalus didymocarpus John C. Roos 1952-4-9 5484 Riverside Fairmount Park 259 Comment
  RSA715250  Astragalus didymocarpus Brett Hartman 2006-4-28 s.n. Riverside Lake Elsinore back basin on NE side of lake. 384 Comment
  SD260245  Astragalus didymocarpus Mitch Provance 2013-2-16 213 1 Riverside Santa Ana River Valley: Riverside, Arlanza area, W side of Hole Lake and adjacent mesa (Riverside West 7.5'Q) 226 Comment
  UCR272508  Astragalus didymocarpus Mitch Provance 2013-2-16 213- 01 Riverside Santa Ana River Valley, Riverside, Arlanza area, W side of Hole Lake and adjacent mesa. 226 Comment
  LA102294  Astragalus didymocarpus var. didymocarpus John C. Roos; 1952-4-30 5607 Riverside between Camp Haan and Riverside 518 Comment
  SEINET948217  Astragalus didymocarpus var. didymocarpus Steve Boyd 1986-1 1620 Riverside Gavilan Plateu, Gavilan Hills: Harford Springs County Park 610 Comment
  PASA2725  Astragalus douglasii Margaret Stason 1931-5-24 Riverside Pine woods, Idyllwild Comment
  CAS-BOT-BC178448  Astragalus douglasii var. parishii E. K. Balls 1949-5-4 13482 Riverside Near Fuller Creek Camp Ground, San Jacinto mts. 1371 Comment
  RSA496121  Astragalus douglasii var. parishii Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2998 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  RSA605935  Astragalus douglasii var. parishii R. S. Woglum 1937-5-22 571 Riverside Santa Rosa Mountains. Comment
  RSA658920  Astragalus douglasii var. parishii Bob Rogers 1984-5-5 32 Riverside Collected 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
  UC56443  Astragalus douglasii var. parishii H. M. Hall May 17 1901-Jun 1 1901 Riverside Valle Vista San Jacinto Valley, Valle Vista (S. Jacinto Valley) 548 Comment
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Mar 27 2011
  RSA740944  Astragalus filipes Scott D. White, Justin M. Wood 2008-6-17 12183 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  RSA90215  Astragalus filipes F. W. Peirson 1922-5-20 3341 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  CAS-BOT-BC228850  Astragalus gambelianus A. C. Sanders; T. B. Salvato 2011-4-27 39334 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
  UCR102843  Astragalus gambelianus A. C. Sanders 1997-4-3 20170 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
  UCR91477  Astragalus gambelianus Scott D. White, M. Jacobsmeyer 1996-4-20 3946 Riverside Bundy Canyon Road, west of Menifee. c. 4-5 mi west of Interstate Hwy-215 freeway. north of road. 549 Comment
  POM1694  Astragalus lentiginosus var. coachellae I. M. Johnston 1917-4-4 1065 Riverside Whitewater. Comment
  RSA643197  Astragalus lentiginosus var. coachellae James C. Dice, Kimberly A. Nicol 1998-3-24 980324 -3 Riverside 7.1 miles (11.4 km) N of Desert Center, along State Highway 177. 162 Comment
  UC862626 Image available Astragalus lentiginosus var. coachellae Alice Eastwood 1913-4-30 3116 Riverside Palm Springs Comment
  UCR186855  Astragalus lentiginosus var. variabilis Naomi Fraga, Et al. 2005-3-30 1541 Riverside Sonoran (Colorado) Desert/Mojave Transition, dunes in the southern portion of the Pinto Basin. Joshua Tree National Park 549 Comment
  SD135217  Astragalus leucolobus Craig Reiser, Dylan Hannon 1993-5-30 Riverside N side of Santa Rosa Peak Comment
  JOTR34175  Astragalus palmeri Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 136 Riverside Joshua Tree National Park. Little San Bernardino Mountains; side canyon of Pushawalla Canyon; Steep rocky/gravelly drainage near elevated seep, and steep gravelly hills surrounding it (Stop 4) 1371 Comment
  UCR243516  Astragalus palmeri Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21074 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  CAS-BOT-BC192824  Astragalus pomonensis K. Watkins; E. McClintock 1937-4-9 s.n. Riverside Pasture of 1 mi. West of San Jacinto Comment
  UCR238090  Astragalus pomonensis Mark A. Elvin, Julie M. Vanderwier, Frank Sartuche 2002-5-16 2048 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  SEINET3134680  Astragalus sabulonum L. S. Rose 1938-2-1 38011 Riverside 10 mi W of Blythe 122 Comment
  CAS-BOT-BC98813  Atrichoseris platyphylla Lewis S. Rose 1937-4-10 37177 Riverside Indio-Blythe Road, 26 mi. E. of Indio 457 Comment
  RSA357127  Atriplex argentea subsp. expansa R. F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37608 Riverside Lake Elsinore: behind levee at SE end of Lake Elsinore, ca. 1 mile S of Elsinore. Comment
  RSA33311  Atriplex canescens N. C. Cooper 1943-10-9 954 Riverside Hemet. 305 Comment
  RSA696736  Atriplex canescens J. R. Bruff 1933-1-1 s.n. Riverside Travertine Point, south of Indio. Comment
  SD154848  Atriplex canescens E. K. Balls, P. C. Everett 1957-11-6 22790 Riverside 0.5 miles north of the junction of Hwy 79 & the road to Coahuila, in sun on open sandy hills 655 Comment
  CAS-BOT-BC170213  Atriplex canescens subsp. canescens Lewis S. Rose 1935-12-19 35670 Riverside Palm Springs - Colorado Desert 138 Comment
  JOTR30934  Atriplex canescens subsp. canescens La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1354 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  CAS-BOT-BC170225  Atriplex canescens subsp. linearis Lewis S. Rose 1966-12-11 66096 Riverside Palm Springs 152 Comment
  JOTR34411  Atriplex canescens var. laciniata La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3097 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring, near oasis 914 Comment
  POM27528  Atriplex canescens var. macilenta I. L. Wiggins 1941-3-24 9585 Riverside East side of Salton Sea, 1 mile north of Imperial Co. Line Comment
  RSA0015057  Atriplex davidsonii D. E. Bramlet, Fred M. Roberts, I. Anderson 2005-6-10 3876 Riverside 4.5 miles west of Hemet, 2000 feet south of Stetson and 700 feet east of California. 456 Comment
  SEINET5585510  Atriplex elegans var. elegans R. E. Riefner Jr. 2013-1 13 -190 Riverside City of Lake Elsinore, along Collier St. and Hwy. 74 S to Temescal Wash. 393 Comment
  JEPS59582  Atriplex hymenelytra W. L. Jepson 1927-4-12 11641 Riverside Painted Canyon Mecca Hills, Painted Canyon 76 Comment
  SBBG1763  Atriplex hymenelytra H. and M. Dearing 1940-1-1 4070 Riverside near Mecca Comment
  CAS-BOT-BC169294  Atriplex lentiformis Dr. Barton W. Evermann 1916-5-14 s.n. Riverside Mecca Comment
  OBI40177  Atriplex muelleri J. C. Roos 1965-10-17 s.n. Riverside 20 mi W of Blythe on the roadside Comment
  UCD97564  Atriplex nummularia Mitch Provance 2000-10-28 2289 Riverside Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411. 290 Comment
  CAS-BOT-BC176530  Atriplex polycarpa D. B. Dunn; H. Brown 1947-1-12 2835 Riverside Pushawalla Canyon, Indio Hills Comment
  CAS-BOT-BC176535  Atriplex polycarpa Roxana S. Ferris 1918-6-15 974 Riverside Indian Wells Comment
  LA91313  Atriplex polycarpa Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside Box Canyon Comment
  POM121945  Atriplex polycarpa Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  POM160760  Atriplex polycarpa Marcus E. Jones 1928-12-15 s.n. Riverside Indio, Coachella Valley Comment
  RSA778127  Atriplex polycarpa Thomas Stoughton, E. Gardner, D. Bell 2010-11-12 714 Riverside Coachella Valley Preserve. Site #3. Ca 0.25 mile E of road. 305 Comment
  JEPS59526  Atriplex serenana var. serenana H. M. Hall June, 1901 Riverside Riverside Comment
  UCR119421  Atriplex suberecta Mitch Provance 1998-6-20 709 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
  RSA595315  Avena barbata D. L. Banks, Victor Steinmann 1996-4-20 887 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along the road to the Dorland Mountain Arts Colony;, approximately 100 m S from its junction with Hwy. 79. Area just north of Sec.19. 484 Comment
  RSA179497  Avena fatua E. W. Lathrop 1960-5-6 4786 Riverside 10 miles west of Murrieta. Comment
  SEINET10668633  Baccharis David B. Dunn 1947-9-21 Dunn 3515 Riverside Seedlings in the wet sand near stream from springs. Comment
  IRVC504  Baccharis brachyphylla R. H. Whittaker, W. A. Niering 1963-6-7 SJ 294 Riverside Palms to Pines Highway; slope E-22 degrees open, gabbro-serpentine soil, chaparral-desert scrub transition Santa Rosa Mountains 945 Comment
  CLARK-A1528-165  Baccharis emoryi John C. Roos 1951-9-25 5285 Riverside Riverside 259 Comment
  CLARK-A1656-735  Baccharis glutinosa Lois Ann Scott 1978-4-11 Riverside San Gorgonio Pass Comment
  RSA701559  Baccharis salicifolia Steve Boyd, Aydee Virgen 2004-4-13 10851 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  SEINET7844101  Baccharis salicifolia Orlando Mistretta, D. Bell, J. Beckman, J. England, K. Kane, J. Hall, C. McDonald, L. Reccia, L. Rodriguez, A. Sall, T. Tennant. 2010-4-12 4463 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. 488 Comment
  CAS-BOT-BC483032  Baccharis salicifolia subsp. salicifolia Sarah J. De Groot; Cheryl Sevilla; Rico Ramirez 2014-8-20 7239 Riverside North Fork Mission Creek, above preserve. SE San Bernardino Mtns, San Gorgonio Wilderness Area 770 Comment
  RSA296132  Baccharis sergiloides B. A. Prigge 1980-8-5 3847 Riverside Whitewater Canyon: 0.5 miles N of trout farm 701 Comment
  UC472187  Baccharis sergiloides Geo. B. Grant 1900-1 6749 Riverside Palm Springs Colorado Desert Comment
  UC63375  Baccharis sergiloides H. M. Hall 1901-5-1 1866 Riverside borders of Colorado Desert San Jacinto Mountains, Colorado Desert Comment
  RSA0065645  Bahiopsis parishii Cheryl Sevilla, Sarah J. De Groot 2015-3-18 39 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; off the Pacific Crest Trail about 2 air miles north-northwest from the Whitewater Preserve Ranger Station; on the hillside east of the Whitewater River drainage. 822 Comment
  UCR85075  Baileya multiradiata A. C. Sanders, Helmkamp & MacKay 1995-3-12 16019 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  POM350660  Baileya pauciradiata George B. Grant 1906-4-20 6709 Riverside Palm Springs. Comment
  POM350668  Baileya pauciradiata Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UCR116835  Baileya pauciradiata Helen Kennedy, Fred R. Ganders 1980-4-15 4065 Riverside Sonoran (Colorado) Desert, along [Box Canyon] road between Mecca and Hwy. 10 300 Comment
  POM350685  Baileya pleniradiata N. C. Cooper 1949-4-9 3326 Riverside Blythe. 81 Comment
  RSA220990  Barbarea orthoceras E. W. Lathrop 1966-3-23 6118 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  RSA557871  Barbarea orthoceras Steve Boyd, Orlando Mistretta 1992-4-23 7059 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  SEINET10616171  Bebbia juncea David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3629 Riverside Found in a wash 200 yards below springs. Pushawalla Canyon, Indio Hills of the Colorado Desert; west of Indio. Comment
  CAS-BOT-BC100140  Bebbia juncea var. aspera H. M. Hall 1901-6-1 2010 Riverside Canyon of the San Jacinto River 762 Comment
  CAS-BOT-BC100145  Bebbia juncea var. aspera P. Munz; L. Street 1919-5-7 2720 Riverside Tahquitz [Canon] Canyon Comment
  JOTR29382  Bebbia juncea var. aspera La Doux, Tasha, Mike Bell 2006-5-10 1459 Riverside Joshua Tree National Park. East Deception Canyon Comment
  JOTR31818  Bebbia juncea var. aspera La Doux, Tasha, Bill Truesdell 2007-11-9 2524 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; small side canyon to east of larger wash running parallel to and east of Lost Palms Canyon (Stop 6) 655 Comment
  UCR226996  Bebbia juncea var. aspera Jim Andre 2011-2-2 16216 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  RSA479264  Bernardia incana Julian P. Donahue 1984-10-6 90405 Riverside Pinyon Crest, Pinyon Flat, between San Jacinto & Santa Rosa Mts. 1249 Comment
  UCR239926  Bidens laevis O. F. Clarke 2005-11-25 s.n. Riverside Prado Basin, Santa Ana River near Corona 155 Comment
  UC3230  Bloomeria crocea Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Mountains Comment
  SBBG72283  Boechera arcuata M. N. Ackley -May-1929 Riverside Tahquitz 2438 Comment
  JOTR33782  Boechera dispar La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2933 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; Loamy, gravelly slope in saddle below the summit Comment
  JOTR29194  Boerhavia intermedia La Doux, Tasha 2005-9-8 1307 Riverside Joshua Tree National Park. Fried Liver Wash 395 Comment
  UCR211474  Boerhavia intermedia Jim Andre, T. La Doux 2008-9-13 10279 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, at base of Bell Mountain (NW end) at 'Pinto Y' maintenance service area 1104 Comment
  UCR215582  Boerhavia triquetra Tasha La Doux, Jim Andre 2008-9-16 337 Riverside Mojave Desert, Joshua Tree National Park, c. 0.3 mi. NW of Indian Cove Campground 934 Comment
  UCD170133  Boerhavia triquetra var. intermedia A. C. Sanders 1989-9-19 9511 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target. 680 Comment
  RSA778409  Boerhavia wrightii Stephanie Rockwood, Christi Gabriel 2011-10-5 58 Riverside Corn Springs Wash off Corn Springs Road. Corn Springs exit from I10. Chuckwalla Mountains Wilderness. 416 Comment
  SEINET2043231 Image available Boerhavia wrightii Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Colorado/Sonoran Desert: Canyon Spring, Orocopia Mountains (Red Canyon Quad 7.5') 372 Comment
  CLARK-A1528-4503  Bouteloua aristidoides John C. Roos 1963-10-23 Riverside Chuckwalla Valley Comment
  RSA0018894  Bouteloua barbata Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6030 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  RSA385909  Bouteloua barbata George B. Grant 6737 Riverside Palm Springs Comment
  JOTR32106  Bouteloua barbata var. barbata Harding, Mitzi, Kipp Callahan 2012-8-27 281 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  UCR100325  Bouteloua barbata var. barbata George K. Helmkamp 1997-11-1 2512 Riverside Sonoran (Colorado) Desert, Bermuda Dunes, 41st St and Sparky (just east of Washington and south of I-10) 30 Comment
  POM159823  Bowlesia incana E. C. Jaeger 1926-3-24 s.n. Riverside White Tanks, Western end of Pinto Mts. Comment
  SEINET3246025  Bowlesia incana A. C. Sanders, T. B. Salvado, Matthew Malle, Jonas Winbolt. Katie A. Kurtz 2010-1 37696 Riverside Peninsular Range; foothills of Gavilan Hills: Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 363 Comment
  RSA0124120  Brandegea bigelovii Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8740 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
  RSA708487  Brandegea bigelovii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10893 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills , just east of Coachella Canal. 24 Comment
  RSA796474  Brandegea bigelovii Duncan S. Bell 2009-4-18 206 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
  RSA796749  Brandegea bigelovii J. Andre 2012-4-11 20840 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit. 624 Comment
  SD46074  Brandegea bigelovii Francia Chisaki, Peter Kamb 1952-4-6 2196 Riverside Box Canyon, on road from Mecca to Blythe Comment
  SDSU5829  Brandegea bigelovii D. F. Howe 1952-4-27 2188 Riverside Box Canyon, east of Mecca. Comment
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Jan 24 2013
  UCR112112  Brandegea bigelovii A. C. Sanders, T. B. Salvato 2000-4-21 23344 Riverside Coachella Valley, east side of the Coachella Canal c. 1/4 mi. north of I-10, 3 miles east of Indio 15 Comment
  UCR216221  Brandegea bigelovii Jim Andre, T. La Doux 2009-2-25 10805 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UCR274803  Brandegea bigelovii Aaron C. Sedgwick, David Fraker 2012-3-28 035 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road. c. 6 miles south of Hwy I-10 323 Comment
  UCR117382  Brassica kaber A. C. Sanders, T. B. Salvato 2001-5-25 24388 Riverside San Jacinto Valley, west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  RSA778114  Brassica tournefortii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 929 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  UC1929787  Brassica tournefortii Scott D. White 2001-4-3 8237 Riverside COLORADO DESERT: Shavers Valley. Near 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. Comment
  UCR130125  Brassica tournefortii Scott D. White 2001-4-3 8237 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
  UCR41335  Brassica tournefortii N. M. Fellows 1985-3-3 82 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  CAS-BOT-BC106342  Brickellia atractyloides var. arguta H. M. Hall 1905-5-1 6016 Riverside Cottonwood Springs - Colorado Desert 670 Comment
  JEPS18712  Brickellia atractyloides var. arguta W. L. Jepson 1914-5-18 6012 Riverside Pinon Well, Cottonwood Mts. Comment
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Jul 6 2010
  UCR34879  Brickellia californica L. B. Ziegler 1967-9-6 240 Riverside San Jacinto Mtns, Hemet Valley (=Garner Valley), Quinn Flats region 1375 Comment
  CAS-BOT-BC106184  Brickellia desertorum John Roos; Lucille Roos 1950-9-9 4986 Riverside Mt. Rubidoux, Riverside 396 Comment
  CLARK-A1528-1673  Brickellia incana John C. Roos 1947-11-1 3751 Riverside Eagle Mountains Comment
  JOTR31136  Brickellia oblongifolia var. linifolia La Doux, Tasha 2009-6-3 1848 Riverside Joshua Tree National Park. (Stop 1): Little San Bernardino Mountains, Covington Flats, ridge line south of peak 1547 Comment
  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
  RSA570549  Bromus arenarius Steve Boyd, Chris Frazier 1993-4-24 8008 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
  UCD57694  Bromus arizonicus John Thomas Howell 1956-3-20 31119 Riverside Riverside. 8th street. Comment
  UCD58397  Bromus catharticus C. R. Hursh 1919-11-30 s.n. Riverside One mile north of Riverside. Comment
  UCR41837  Bromus catharticus A. C. Sanders 1986-4-13 6467 Riverside Riverside, Riverside, residential garden, 422 Campus View Drive 335 Comment
  SEINET260200 Image available Bromus ciliatus M. Curto, L Allen 1990-8-23 693 Riverside San Bernardino National Forest ; Santa Rosa Mts, Toro Pk, N slope, Santa Rosa Mt Rd (SBNF 7S02) ca 2km E of Toro CG 1890 Comment
  RSA0036798  Bromus diandrus Starr Streight 1982-4-17 25 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Weedy disturbed road margins and field adjacent to Cajalco Rd. Comment
  UCR156299  Bromus diandrus T. B. Salvato, Kent Beaman 2005-5-16 832 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
  UCR183174  Bromus diandrus Mitch Provance 2003-5-5 4400 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  CAS-BOT-BC162384  Bromus lanatipes H. M. Hall 1901-6-1 2228 Riverside San Jacinto Mountains. South side. 1615 Comment
  SEINET3923278  Bromus rubens Lydia Paneri 1982-4-17 53 Riverside Hillside north of Cajalco Road, 2 miles east of I-15. Hillside waste area.; 0 Comment
  UCR138824  Bromus rubens D. L. Banks 1997-2-23 1299 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, south of Pechanga Rd. in the Reservation, north of Pechanga Creek and east of the Pechanga Tribal Government Center 367 Comment
  RSA772132  Bromus tectorum Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4865 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UCR94235  Bromus tectorum Scott D. White 1996-4-14 3911 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
  RSA264427  Caesalpinia virgata C. W. Tilforth, Jeff Barnes 1976-7-21 1221 Riverside Painted Canyon, NE of Mecca. Comment
  RSA405294  Caesalpinia virgata Anstruther Davidson 1893-4-10 s.n Riverside Palm Springs. Comment
  SEINET4009128  Caesalpinia virgata G. T. Manthey 1977-1 1610 Riverside About 10 miles wast of Mecca, on road going to Joshua Tree National Forest. Comment
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Jul 19 2015
  UCR18980  Caesalpinia virgata John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Cactus City, just east of the Mecca Hills on Interstate Hwy 10 [and 25 mi. east of Indio]. 500 Comment
  UCR216229  Caesalpinia virgata Jim Andre, T. La Doux 2009-2-28 10842 Riverside Sonoran (Colorado) Desert, Coachella Valley, along lower Berdoo Canyon Rd (dirt), c. 1.5 mi. north of Dillon Road and just south of Joshua Tree Nat. Park boundary 313 Comment
  POM280839  Calandrinia ciliata Henry J. Ramsey, Henry J. Ramsey 1940-3-15 s.n. Riverside Corona, south of fields-hillsides. Comment
  UCR117326  Calandrinia ciliata Mitch Provance 1998-6-11 650 Riverside Jurupa Mountains, NW Jurupa Mtns; south of the E extreme of Philadelphia St. 290 Comment
  UCR43790  Callitriche heterophylla subsp. bolanderi R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60638 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: along seasonal stream in Cole Canyon, near entrance to the Nature Conservancy Reserve 534 Comment
  UCR60512  Callitriche marginata R. F. Thorne 1973-5-23 43842 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  CAS-BOT-BC85766  Calocedrus decurrens George B. Grant 1901-1-1 691 Riverside San Jacinto Mountains, S. Cal. 914 Comment
  CAS-BOT-BC132459  Calochortus plummerae Marcus E. Jones 1926-6-20 s.n. Riverside Near [Bannnig] Banning Comment
  POM212901  Calochortus splendens Philip A. Munz 1941-5-18 16657 Riverside North end of Santa Rosa Ranch, Elsinore Mts. Comment
  RSA747278  Calochortus weedii var. intermedius Orlando Mistretta 1992-6-10 515 Riverside Cleveland National Forest: Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  OBI8308  Calycoseris wrightii David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12057 Riverside Along Box Cyn rd ca 20 mi ENE of Mecca in Orocopia Mts 274 Comment
  SBBG35571  Calyptridium monandrum D. Myrick 1966-4-2 1331 Riverside upper end of Aqueduct Rd ca. 10 mi SE of Desert Hot Springs Comment
  UCR86876  Calyptridium monandrum A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16242 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
  UC454261  Calyptridium monospermum I. J. Condit 1910-6-23 Riverside summit of San Jacinto Mountain 3291 Comment
  UCR133650  Calystegia macrostegia Michael D. Wilcox 2003-5-13 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR158725  Calystegia macrostegia A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30013 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
  UCR1645  Calystegia macrostegia subsp. longiloba William G. Truesdell 1962-4-20 42062 5 Riverside 10 mi south of Hemet on Hwy 79 610 Comment
  RSA652944  Calystegia sepium subsp. limnophila Mitch Provance, S. D. Boyd 1999-9-14 1780 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
  RSA793029  Camissonia Justin M. Wood 2011-4-4 3393 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  RSA596790  Camissonia bistorta D. L. Banks, K. D. Hedge 1996-5-16 1044 Riverside NW Palomar Mountains; Agua Tibia Mountains; N foothills of Dorland Mtn., S of Temecula Creek; 0.4 miles E of Pauba Road on the N side of Los Caballos Road, along the broad, sandy, southern alluvial bench of Temecula Creek. 370 Comment
  SEINET7073381  Camissonia bistorta A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR116416  Camissonia bistorta A. C. Sanders, T. B. Salvato 2001-3-30 23870 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  RSA554203  Camissonia boothii Theo Glenn 1991-4-9 91 -7 Riverside Big wash in Eagle Mountains 787 Comment
  CLARK-A1528-3321  Camissonia brevipes John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  RSA550353  Camissonia brevipes subsp. brevipes Walter Wisura, J. Dolan, M. Wall 1992-3-24 4635 Riverside 13.1 miles NE of Mecca on Box Canyon Road. Comment
  POM17949  Camissonia californica P. A. Munz 1923-6-14 7107 Riverside Trail from Glen Ivy to Santiago Peak. 1006 Comment
  UCR96880  Camissonia californica Scott D. White 1993-3-12 1183 Riverside Near Winchester 466 Comment
  RSA176311  Camissonia cardiophylla Robert F. Thorne, Robert Rutherford 1964-4-10 33551 a Riverside Palm Springs. 305 Comment
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Apr 25 2011
  RSA454730  Camissonia cardiophylla E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert. Box Canon on Blythe Road. Comment
  RSA454738  Camissonia cardiophylla W. D. Pierce 1940-2-24 s.n. Riverside Painted Canyon, Orocopia Mts. Comment
  RSA454741  Camissonia cardiophylla M. B. Dunkle 1935-3-30 4423 Riverside Pinto Basin. Colo. Desert. Comment
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Dec 12 2011
  RSA784955  Camissonia cardiophylla Duncan S. Bell 2012-2-12 3113 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  CLARK-A1528-5363  Camissonia claviformis John C. Roos 1947-2-15 3267 Riverside Eagle Mountains Comment
  UCR102715  Camissonia claviformis B. G. Pitzer 1998-1-24 3400 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
  POM200899  Camissonia claviformis subsp. aurantiaca Carl B. Wolf 1932-4-27 3032 Riverside Palm Springs. 152 Comment
  RSA135288  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-24 11470 Riverside Desert Canyon bottom on road to Cottonwood Springs 4.5 miles north of State Highway 195. Comment
  RSA449181  Camissonia claviformis subsp. aurantiaca Carl B. Wolf 1932-4-27 3032 Riverside Palm Springs. 152 Comment
  RSA449189  Camissonia claviformis subsp. aurantiaca Christopher Davidson 1979-4-4 7673 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  SEINET3093239 Image available Camissonia confusa A. C. Sanders 1986-6-1 6535 Riverside San Jacinto Mountains, upper part of the trail toward Spitler Peak from Hurkey Creek camp to Bonita Vista Road. Comment
  POM158448  Camissonia hirtella P. A. Munz 1927-5-21 10861 Riverside East of Ansa P.O. 1372 Comment
  RSA501049  Camissonia hirtella Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3170 A Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR213569  Camissonia hirtella A. C. Sanders, Matthew Malle 2010-4-23 37995 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR239879  Camissonia hirtella O. F. Clarke 2004-3-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  UCR260566  Camissonia hirtella T. B. Salvato 2014-5-29 8036 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  UCR241105  Camissonia ignota A. C. Sanders, Timothy W. Chumley 2013-4-2 40743 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  UCR266476  Camissonia micrantha Mitch Provance, Matt Amalong 2015-3-25 315- 39 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  RSA449242  Camissonia pallida subsp. pallida M. B. Dunkle 1933-3-4 3020 Riverside Devil's Cactus G. Colorado Desert. 30 Comment
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Mar 20 2011
  RSA776225  Camissonia pallida subsp. pallida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 868 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  RSA449047  Camissonia refracta E. C. Jaeger 1922-3-26 s.n. Riverside Box Canon near Mecca, Cal. Colorado Desert. Comment
  SEINET10492424  Camissonia refracta David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3707 Riverside Found growing in a wash. Indio hills, colorado desert. Near fushawalla. Comment
  RSA495787  Camissonia strigulosa Steve Boyd, T. S. Ross, L. Arnseth 1989-3-11 2886 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  SBBG61447  Camissoniopsis confusa P. A. Munz 1927-5-20 10819 Riverside 10 mi S of Hemet Comment
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May 30 2011
  SD225045  Camissoniopsis pallida G. K. Helmkamp 1998-4-3 3064 Riverside Whitewater River, bordering the N side of Hwy I-10; E side of the river. Comment
  RSA0120230  Camissoniopsis pallida subsp. pallida Duncan S. Bell, Thomas Stoughton 2016-4-14 9288 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  UC874052  Camissoniopsis pallida subsp. pallida P. A. Munz and D. Keck 1922-4-14 4976 Riverside e Whitewater Ranch; Colorado Desert 274 Comment
  CAS-BOT-BC38114  Cardamine parviflora A. C. Sanders 1995-2-6 15915 Riverside Riversdie. UCR Campus. 367 Comment
  UCR96415  Carex multicaulis Scott D. White 1996-8-1 4410 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UC729830  Carex multicostata Carl B. Wolf 1932-8-5 3947 Riverside along trail from Tahquitz Valley to San Jacinto Peak; San Jacinto Mts. 2621 Comment
  UCR185174  Carex multicostata Naomi Fraga, Et al. 2006-7-11 1715 Riverside San Jacinto Mountains, Mount San Jacinto State Park, Hidden Lake 2652 Comment
  CAS-BOT-BC117862  Carex sartwelliana Carl B. Wolf 1932-8-5 3943 Riverside San Jacinto Mountains. Along trail from Tahquitz valley to San Jacinto Peak. 2621 Comment
  CLARK-A1528-1691  Carthamus tinctorius John C. Roos 1965-7-7 Riverside Beaumont Comment
  POM158431  Castilleja affinis Philip A. Munz 1927-5-21 10886 Riverside 15 miles south of Hemet. Comment
  UCD122168  Castilleja affinis A. C. Sanders; Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23899 Riverside Perris-Aguanga Basin region: Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta. 396 Comment
  SEINET7072846  Castilleja exserta A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Tececula and at the junction with Route 395 (115). Coordinate datum: WGS84/NAD83. (33? deg. 30' 3" North Latitude, -117? deg. 9' 3" West Longitude, Coordinate datum: NAD27.). Comment
  UCR156094  Castilleja exserta T. B. Salvato, Kent Beaman 2005-5-16 810 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
  UCR281280  Castilleja exserta Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 20 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  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
  SD80143  Castilleja foliolosa Nancy Ryan Zabriske, Walter Zabriske 1971-4-6 359 Riverside North-facing slope, Andreas Canyon, east slope San Jacinto Mts. 456 Comment
  RSA448782  Castilleja minor subsp. spiralis N. C. Cooper 1944-5-6 2649 Riverside Whitewater Canyon. 457 Comment
  UCR162268  Caulanthus heterophyllus 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
  SBBG2587  Caulanthus lasiophyllus H. and M. Dearing 1936-12-12 507 Riverside N of Indio Comment
  LA41989  Ceanothus crassifolius W. E. Pequegnat; 1937-8-25 sn Riverside Santa Ana Mountains, Palo Comado SMMNRA, Glen Ivy Trail 457 Comment
  RSA517103  Ceanothus crassifolius Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-31 3099 Riverside Vail Lake area, 1 mi W of lake. 609 Comment
  RSA552487  Ceanothus crassifolius Steve Boyd 1992-2-21 6667 Riverside Southern Santa Ana Mountains, San Mateo Cyn Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south 701 Comment
  RSA605763  Ceanothus crassifolius Scott D. White 1996-3-16 3831 Riverside Lakeview Mts, N of Winchester, at 'Maze Stone' Picnic Area. SE-facing slope. 610 Comment
  RSA606733  Ceanothus crassifolius Jon E. Keeley 1996-5-13 27420 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  RSA606756  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27364 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  UCR91675  Ceanothus crassifolius Steve Boyd, D. L. Banks 1995-4-5 8417 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; northern flank of Agua Tibia Mtn. at the E edge of Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary 610 Comment
  UCSB41256  Ceanothus crassifolius Cowan, Clark 1978-4-25 Riverside 6.7mi (10.7 km) SW on 74 from jct w/ 71, 4.6 mi (7.3 km) from Lake Elsinore, Sta. Ana Mts. Cleveland Nat. F.; Whittaker transect #W-229. Comment
  SD82811  Ceanothus greggii var. perplexans R. S. Woglum 1937-5-22 577 Riverside Santa Rosa Mountains Comment
  UC729964  Ceanothus leucodermis Carl B. Wolf 1932-5-24 3656 Riverside 1 mi above Fish Hatchery (Snow Creek Canyon.); North base of San Jaconto Mts. 792 Comment
  RSA570000  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7915 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  RSA570228  Ceanothus ophiochilus Steve Boyd, Tim S. Ross 1993-3-23 7897 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  UCR178566  Ceanothus perplexans R. G. Swinney 1967-3-5 0061 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  RSA0022332  Ceanothus perplexans E. C. Jaeger 1926-3-24 s.n. Riverside Banning Road 1128 Comment
  RSA773475  Centaurea melitensis Duncan S. Bell, Ryan Parker 2010-6-15 1311 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1063 Comment
  RSA16358  Centaurium venustum Carl B. Wolf 1935-6-18 7174 Riverside Santa Ana Mts, San Juan Canyon, near Ortega Hwy on road to Santiago Peak. 701 Comment
  RSA25594  Centaurium venustum Carl B. Wolf 1941-6-27 10897 Riverside Santa Ana Mts. Ortega Hwy, 3.3 miles E of Orange County line. 579 Comment
  UC921121  Centaurium venustum A. W. Stevens 1945-6-30 Riverside Ribbonwood, on Palms to Pines Highway San Jacinto Mts. 1219 Comment
  RSA689430  Centromadia pungens subsp. laevis R. E. Riefner 2003-5-27 03 -243 Riverside City of Lake Elsinore, vicinity of Campbell St. and Diamond Drive Comment
  RSA707577  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 s.n. Riverside Hemet. South of Highway 74, and west of Warren Road. Comment
  UCD98025  Cerastium glomeratum L. G. Benedict 1929-5-6 s.n. Riverside San Jacinto. Comment
  UCR127564  Cerastium glomeratum A. C. Sanders, T. B. Salvato 2003-5-21 26793 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR48355  Cerastium glomeratum Steve Boyd 1986-4-20 1723 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau. 640 Comment
  UC68641  Cercidium floridum subsp. floridum H. M. Hall Apr. 1905 5784 Riverside 10 mi w Coachella; Colorado Desert 121 Comment
  UCR240650  Cercocarpus betuloides Tracy Tennant, Mitch Provance 1998-6-16 MOR- 424 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  JOTR30646  Cercocarpus betuloides var. betuloides La Doux, Tasha, Erin Babich 2008-4-21 1807 Riverside Joshua Tree National Park. Stop 4-Little San Bernardino Mountains, Upper East Deception Canyon 1233 Comment
  RSA783295  Cercocarpus ledifolius J. D. Olmsted 1962-6-23 5306 Riverside SE San Bernardino Mts: near Calelectric residences at head of Banning Water Canyon 2210 Comment
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Feb 24 2013
  CLARK-A1045-285  Chaenactis artemisiifolia George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains middle of road to Oak Spring off San Jacinto Ridge Road; ; Lake Fulmor 7.5'Q 1066 Comment
  RSA519237  Chaenactis artemisiifolia Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA674959  Chaenactis artemisiifolia Scott D. White, Teresa Salvato 2001-6-8 8568 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  RSA681036  Chaenactis carphoclinia Scott D. White, Michael Honer 2003-5-14 9268 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UCD130229  Chaenactis carphoclinia James Henrickson 1963-3-29 1224 Riverside 12 miles west of Desert Center, near Eagle Mount Pumping Station. 533 Comment
  UCR102720  Chaenactis carphoclinia B. G. Pitzer 1998-1-24 3406 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
  SEINET9118568  Chaenactis carphoclinia D. Myrick 1966-1 1349 Riverside Desert Hot Springs, desert slope adjoining Linda Vista Lodge. Comment
  RSA271141  Chaenactis carphoclinia var. carphoclinia C. W. Tilforth, John Dourley, Walter Wisura 1977-5-19 1326 Riverside Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road [Midland Rd]. 266 Comment
  RSA776820  Chaenactis carphoclinia var. carphoclinia Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1093 Riverside Chuckwalla Mountains, Corn Springs Road; Road crossing of main wash that drains Chuckwallas to the east toward the Chuckwalla Bench 427 Comment
  UC34697  Chaenactis fremontii H. M. Hall 1902-4-11 2807 Riverside Coyote Canon Colorado Desert, Coyote Canon 152 Comment
  UCR260891  Chaenactis fremontii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41471 Riverside San Gorgonio Pass, near San Gorgonio River wash, c. 2.88 miles ESE of Cabazon, c. 1 mi. NNW (338 deg. ) of One Horse Spring, south of I-10 and east of water bottling plant, edge of wind farm 454 Comment
  UCSB33602  Chaenactis fremontii Simmons, Karen 1979-3-25 Riverside Just south of Cottonwood Springs, 30.5 mi. south of White Tank Campground on Pinto Basin Road, Joshua Tree National Monument 152 Comment
  UCR44229  Chaenactis glabriuscula A. C. Sanders 1986-6-1 6556 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  RSA387364  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-4-19 1707 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  UCSC001214  Chaenactis glabriuscula var. glabriuscula Peter Kamb 1948-5-6 941 Riverside Hall Canyon, San Jacinto Mts. 1094 Comment
  RSA500139  Chaenactis glabriuscula var. lanosa Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3670 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  UCR201491  Chaenactis glabriuscula var. lanosa Scott D. White, Justin M. Wood 2008-5-15 11965 Riverside San Jacinto Mountains, Garner Valley, northwest of Fobes Ranch Road and northeast of Hwy 74, valley bottom 1357 Comment
  CAS-BOT-BC100667  Chaenactis parishii Victor Duran 1933-7-1 3492 Riverside Near Santa Rosa, Santa Rosa Mts. Comment
  UC31031  Chaenactis parishii H. M. Hall 1901-6-1 2128 Riverside Coyote Canyon San Jacinto Mountains, Santa Rosa Mountain, Coyote Canyon 1524 Comment
  CAS-BOT-BC284347  Chaenactis stevioides H. M. Hall 1905-4-23 5874 Riverside Chuckawalla Bench, Colorado Desert Comment
  CAS-BOT-BC284352  Chaenactis stevioides Ira L. Wiggins 1937-3-9 8743 Riverside Road to Chuckawalla Comment
  RSA776767  Chaenactis stevioides Amber Swanson 2011-4-8 381 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  SEINET3365553  Chamaesyce abramsiana G. Rink 2011-9-25 11070 Riverside South of I-10 at the Ford Dry Lake Exit, in a swale that sometimes holds water 110 Comment
  RSA522312  Chamaesyce albomarginata Steve Boyd 1989-7-9 3782 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  POM188401  Chamaesyce micromera Marcus E. Jones 1925-9-7 s.n. Riverside Palm Springs Comment
  RSA655082  Chamaesyce micromera Scott D. White 1999-10-19 7627 Riverside Near Berdoo Canyon: Northeast of Dillon Rd., just S of mouth of Berdoo Cyn., on the S-facing bajada of the Little San Bernardino Mts. 152 Comment
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Dec 10 2011
  POM2793  Chamaesyce polycarpa P. A. Munz 1918-4-28 2150 Riverside Elsinore. Comment
  POM295994  Chamaesyce polycarpa Lyman Benson 1945-3-29 11647 Riverside 2 miles south of Whitewater. 366 Comment
  RSA517812  Chamaesyce polycarpa Steve Boyd, Orlando Mistretta 1986-3-13 s.n. Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  RSA594118  Chamaesyce polycarpa D. L. Banks 1996-4-8 0867 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW of the Cleveland National Forest and Agua Tibia Wilderness Area, NW Dorland Mountain Area, U.C. Emerson Preserve, S end of Los Caballos Road., Approximately 50 m inside the preserve boundary gate, 10 m NW of the main roads intersection with a small trailing heading to the W. 448 Comment
  SBBG67754  Chamaesyce polycarpa E. C. Jaeger 1925-7-2 Riverside Palm Springs Comment
  SEINET6938522  Chamaesyce polycarpa W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside 2.5 miles west of Route U.S 395 and ca. 5 miles southeast of Lake Mathews. Comment
  POM259463  Chamaesyce polycarpa var. hirtella E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon [canyon]branching from Fargo Canon [canyon] 5 mi. east Indio. 244 Comment
  RSA27501  Chamaesyce polycarpa var. polycarpa I. L. Wiggins 1941-3-26 s.n Riverside Along wash at Wiley well. Comment
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May 3 2014
  POM8325  Chamaesyce serpillifolia H. M. Hall 1904-5-24 4961 Riverside Santa Ana river near Riverside. 244 Comment
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Nov 24 2016
  UC64182  Chamaesyce serpillifolia subsp. hirtula H. M. Hall 1898-6-30 966 Riverside Strawberry Valley San Jacinto Mtns 1615 Comment
  RSA33511  Cheilanthes clevelandii Norman C. Cooper 1944-5-6 1193 Riverside Banning. 701 Comment
  RSA612813  Cheilanthes clevelandii Darin L. Banks 1997-3-1 1356 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  UC218616  Cheilanthes covillei Ivan Johnston Apr Riverside Palm Canyon Comment
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Jul 4 2015
  UCR138607  Cheilanthes newberryi D. L. Banks 1996-11-7 1196 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, at the spring on the N fork of Pechanga Creek at the E end of the Reservation 494 Comment
  POM312123  Cheilanthes parryi Norman C. Cooper 1944-4-8 1084 Riverside San Bernardino National Forest, San Jacinto Mountains: Andreas Canyon (near Palm Springs) 457 Comment
  UC1511337  Cheilanthes parryi Robert F. Thorne, W. Wisura, A. Shmida, and R. Whittaker 1978-4-23 52022 Riverside Chino Canyon, Palms to Pines Highway Chino Canyon; San Jacinto Mts Comment
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Apr 24 2011
  POM9749  Cheilanthes parryi Philip A. Munz 1921-12-31 4700 Riverside Andreas Canyon, Colorado Desert. Comment
  UCR181179  Chenopodium Mitch Provance 2003-6-7 7611 Riverside San Bernardino Valley, Jurupa Mountains (extreme northwest end), near Philadelphia Street 262 Comment
  UCR225439  Chenopodium A. C. Sanders, T. B. Salvato 2011-3-29 38846 Riverside Peninsular Range; Perris-Aguanga Basin Region, valley at toe of hills between Sun City and Perris, powerline corridor between Goetz Rd. and Alabaster Loop, north of Goldenrod Ave. 448 Comment
  UCR126980  Chenopodium album A. C. Sanders 2002-12-13 25662 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons, basin W18 north of Trilogy Parkway 366 Comment
  RSA763338  Chenopodium berlandieri R. F. Thorne, R. K. Benjamin, Kay Wright 1982-10-8 763338 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  SEINET238531  Chenopodium berlandieri T. B. Salvato, A. C. Sanders 2000-4-27 59 Riverside Coachella Valley: between Filmore & Buchanan on Avenue 56. -37 Comment
  UCR115131  Chenopodium berlandieri var. zschackei Mitch Provance 2000-10-28 2276 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  UCR115139  Chenopodium berlandieri var. zschackei Mitch Provance 2000-10-28 2271 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  UCR133377  Chenopodium californicum Mitch Provance, J. S. Ross 1998-3-27 MOR- 989 Riverside San Bernardino Mtns., Morongo Indian Reservation, Deep Canyon, 2.5 miles NNE of Cabazon 732 Comment
  UCR17966  Chenopodium californicum A. C. Sanders 1976-4-20 00278 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  SD186164  Chenopodium glaucum var. salinum A. C. Sanders 2002-12-13 25663 Riverside Temescal Valley; Trilogy at Glen Ivy at the confluce of Boxby and Anderson Canyons. 366 Comment
  POM14860  Chenopodium rubrum H. L. Bauer 1922-11-14 s.n. Riverside San Jacinto River Bed, near Lake Elsinore. Comment
  SD4856  Chilopsis linearis Fidella G. Woodcock 1928-4-26 Riverside Colorado Desert, Palm Springs Comment
  SEINET1908448  Chilopsis linearis A. C. Sanders, Mitch Provance 2008-1 35824 Riverside South Coast; San Jacinto Valley: Gilman Springs Road, 1.13 mi. (air) sout of Eden Hot Springs, below Mt. Eden. 450 Comment
  JEPS9185  Chilopsis linearis subsp. arcuata W. L. Jepson 1901-5-22 1361 Riverside Palm Canyon to Van de Venter's s. of Palm Springs; San Jacinto Mts. Comment
  RSA0117829  Chilopsis linearis subsp. arcuata Sarah J. J. De Groot, Rachel Darney-Lane 2016-6-14 7904 Riverside Whitewater Canyon: along the Pacific Crest Trail ca. 0.4 air miles south of Red Dome, ca. 1.4 trail miles north-northwest of Whitewater Preserve. West of Whitewater River. 744 Comment
  RSA455305  Chilopsis linearis subsp. arcuata D. A. Young 1969-8-17 P- 505 Riverside Colleted approx. 3 mi. SE of Whitewater, Calif. on Hiway 111, on the S. side of the road. 335 Comment
  SBBG7240  Chilopsis linearis subsp. arcuata H. and M. Dearing 1940-6-7 4331 Riverside 7 mi N Palm Springs Comment
  UCR130516  Chloris truncata R. E. Riefner Jr. 2003-10-21 03- 461 Riverside Perris-Aguanga Region, Menifee Valley, along Newport Road 1 mile east of Goetz Road intersection 427 Comment
  UCR207970  Chloris virgata C. B. Wolf 1932-4-28 3071 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 20 miles west of Blythe on Mecca road 122 Comment
  POM364942  Chloris virgata S. B. Parish 1912-10-24 8227 Riverside Thermal, Salton Basin. -40 Comment
  UCR114638  Chorispora tenella Fred M. Roberts 1992-4-8 4854 Riverside San Jacinto Valley, Hemet, Upper Salt Creek Watershed, along west side of Warren Road, c.a. 0.3km jct. with Florida Ave. 457 Comment
  RSA701090  Chorizanthe brevicornu Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11253 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
  RSA718829  Chorizanthe brevicornu Michael Honer, L. Hulse 2004-4-3 1922 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
  JOTR31961  Chorizanthe brevicornu var. brevicornu La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2198 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; rocky/gravelly bajada north of the Aqueduct Rd. 603 Comment
  RSA554023  Chorizanthe brevicornu var. brevicornu A. C. Sanders, E. J. Lawlor 1992-4-4 12116 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  SJSU9098  Chorizanthe corrugata R. C. McGehee 1970-4-15 204 Riverside Wileys Well c. 26 mi SW of Blythe Comment
  UC161901  Chorizanthe corrugata T. S. Brandegee Riverside Colorado Desert Comment
  CAS-BOT-BC191307  Chorizanthe fimbriata var. laciniata Philip A. Munz 1937-5-31 15116 Riverside below Anza Tablet at head of Coyote Canyon, SW Riverisde county 1005 Comment
  UCR139168  Chorizanthe parryi var. parryi 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
  UCR139185  Chorizanthe polygonoides subsp. longispina Virginia Moran 2003-5-23 s.n. Riverside Johnson Ranch (managed by Center for Natural Lands Management), vicinity of Skunk Hollow and Santa Gertrudis Creek, 'knoll 2' in area of transects established by CNLM 425 Comment
  RSA356652  Chorizanthe polygonoides var. longispina Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 47305 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  RSA585525  Chorizanthe polygonoides var. longispina D. L. Banks, S. D. Boyd 1995-5-9 390 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 701 Comment
  RSA784513  Chorizanthe procumbens Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 70 Riverside Crossing of Woodchunk road and 79 Hwy Comment
  UCR27655  Chorizanthe staticoides John C. Roos 1960-6-5 s.n. Riverside Peninsular Range; Santa Ana Mtns., off the Ortega Hwy, NE slope of Sugarloaf Peak [=Pleasants Peak] 1067 Comment
  POM352020  Chrysothamnus paniculatus E. Crow 1928-11-12 88 Riverside Morongo Pass, Colorado Desert Comment
  UCR269110  Chrysothamnus paniculatus Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4553 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 488 Comment
  JEPS23428  Chylismia brevipes subsp. brevipes W. L. Jepson 1928-4-25 12609 Riverside n Mecca; Cottonwood Spr. 731 Comment
  UC447175  Chylismia cardiophylla subsp. cardiophylla J. Ewan 1931-4-4 4154 Riverside summit e Shaver's Well 518 Comment
  RSA0117924  Chylismia claviformis subsp. aurantiaca Sarah J. J. De Groot, Cheryl Sevilla 2016-3-15 7638 Riverside Santa Rosa Mountains, southwest of Coachella, west of Mecca. Mouth of Toro Canyon, east-northeast of Martinez Mountain. Southwest of junction of Monroe Street with 64th Ave. 2 Comment
  SBBG5104  Chylismia claviformis subsp. aurantiaca C. H. Muller 1952-4-6 9507 Riverside 1 mi N of S gate to Joshua Tree Nat Monument Comment
  UC1122176  Chylismia claviformis subsp. aurantiaca H. S. Yates 1936-4-7 5441 Riverside 2 1/2 mi s Willis Palms; Thermal Quadrangle 243 Comment
  UCR201499  Cirsium occidentale var. californicum Scott D. White, Justin M. Wood 2008-6-17 12181 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  RSA49171  Cistanthe monandra P. A. Munz 1949-4-13 13064 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  UCR158089  Clarkia A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20683 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek 915 Comment
  UCR80800  Clarkia dudleyana Scott D. White 1993-5-29 1453 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  UCR260832  Clarkia epilobioides A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41529 Riverside Woodcrest area of Riverside, wet canyon 0.25 km ENE of Evening Star Rd., 0.25 km north of Ridge Canyon Dr., above Woodcrest Dam 372 Comment
  UCR158718  Clarkia purpurea A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30034 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
  OBI33538  Clarkia purpurea subsp. quadrivulnera Patricia Tomlinson 1981-5-24 33 Riverside SW Riverside Co. At Mesa Colorado, approx 1 mi S of Tenaja rd, 3 mi E of Squaw Mtn, area near vernal pools 652 Comment
  UCR21953  Clarkia purpurea subsp. quadrivulnera Steve Boyd 1980-5-11 233 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
  SEINET6944613  Clarkia purpurea subsp. quadrivulnera W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris, at base of Gavilan Hills. Comment
  RSA633318  Clarkia rhomboidea Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38084 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon. 1677 Comment
  RSA0019616  Claytonia parviflora subsp. parviflora Scott D. White, Justin M. Wood 2009-5-22 12905 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. Comment
  SEINET10620175  Clematis lasiantha Greg Gust, Leith Nye 2005-3-12 Gust 559 Riverside Cleveland National Forest. Hwy 74 west of lower San Juan Picnic Area at pullout W side of Santa Ana Mountain Range. 495 Comment
  CLARK-A1528-3851  Clematis ligusticifolia John C. Roos 1965-10-7 Riverside Riverside Comment
  UCR281276  Clematis pauciflora Mitch Provance, Jeremiah George 2017-3-21 317- 11 Riverside Temescal Valley, N of Hwy 15, and adjacent to S side of Temescal Canyon Rd., above Horsethief Wash (E branch impeded by development) 370 Comment
  UCR106354  Cnicus benedictus John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  RSA721126  Cnicus benedictus Pomeroy 1929-5-11 s.n. Riverside Lake Elsinore Comment
  UCR4245  Collinsia concolor K. S. Gill 1965-3-28 047 Riverside Riverside, 1 mi north of corner of Wood and Roberts Roads in Woodcrest. south of Riverside at margin of Gavilan Hills 549 Comment
  RSA775412  Colubrina californica Duncan S. Bell, Mitzi Harding, Tasya Herskov 2011-4-10 2252 Riverside Joshua Tree National Park; Coxcomb Mountains; south section of the mountain range. 275 Comment
  SBBG104074  Colubrina californica A. C. Sanders, E. J. Lawlor 1992-4-4 12112 Riverside within 0.5 mi of McCoy Spring, to the S above the spring and above for, ca. 200 m 243 Comment
  UC2027652  Colubrina californica Carolyn Martus, Joseph Betzier, Caesara Brungraber, Lance Woolley 2008-4-23 1217 Riverside Northwest of the Blythe airport and in the washes east of the McCoy mountains. Comment
  RSA0047077  Colubrina californica Amber Swanson, Linda Jean Foster 2011-10-8 644 Riverside Washes in the Little Santa Maria Wilderness W of Midland/Blythe-Rice Rd. 272 Comment
  RSA394802  Convolvulus arvensis Luther A. Rice 1891-6-1 s.n. Riverside Near Riverside Comment
  UCR40539  Convolvulus arvensis Steve Boyd 1985-6-23 1003 Riverside Peninsular Range; Santa Ana Mtns., 5.2 mi. west of Rancho California on De Luz Road 396 Comment
  UCR77715  Convolvulus simulans Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6126 Riverside Peninsular Range, Vail Lake area, summit of Oak Mtn, north of lake near Henderson benchmark 823 Comment
  RSA557358  Conyza bonariensis Julie Greene 1993-6-11 1355 Riverside [Unspecified] 440 Comment
  UCR176669  Conyza bonariensis G. S. Nuessly 1980-10-19 s.n. Riverside Moreno Valley, U.C. Riverside, Moreno Field Station, east of Lasselle St. 457 Comment
  UCR93054  Conyza bonariensis Steve Boyd, D. L. Banks 1994-9-29 8368 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  RSA5012  Conyza canadensis C. B. Wolf 1932-3-20 12 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  UC468806  Conyza canadensis F. M. Reed 1905-9-25 406 Riverside Terraces Ranch Comment
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Oct 20 2007
  UCR110416  Conyza coulteri A. C. Sanders, Mitch Provance 1999-9-26 23125 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR94921  Cordylanthus nevinii Scott D. White 1996-8-16 4484 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
  CAS-BOT-BC237959  Cordylanthus rigidus Scott D. White 1996-8-1 4419 Riverside San Jacinto Mts. Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area 1830 Comment
  RSA493818  Cordylanthus rigidus subsp. setiger Maureen Pendleton 1987-7-27 s.n. Riverside 9.5 mi. N of Temecula, 0.5 mi. W of I-15E, just S of Keller Rd. 488 Comment
  SFV13135  Cordylanthus rigidus subsp. setigerus M. J. Thor 1982-9-16 124 Riverside San Jacinto Mountains Idyllwild Park. 1616 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
  HSC5414  Coreopsis douglasii C. L. Hitchcock, C. V. Muhlick 1964-3-17 23091 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
  CLARK-A1528-1788  Corethrogyne filaginifolia John C. Roos 1965-8-19 Riverside Beaumont Comment
  SBBG95154  Corethrogyne filaginifolia S. D. White 1990-10-2 Riverside Vail Lake area, Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  SJSU13579  Corethrogyne filaginifolia C. W. Sharsmith 1945-8-28 5452 Riverside Indian Canyon Cr, Mt San Jacinto 1828 Comment
  RSA0042780  Cornus nuttallii A. Lee Haines 1951-5-19 s.n. Riverside Dark Canyon, San Jacinto Mt. 1981 Comment
  POM13113  Crassula connata P. A. Munz, J. M. Johnston 1922-5-19 5342 Riverside 5 mi. E of Murietta. 518 Comment
  SEINET7073382  Crassula connata A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR126976  Crassula connata A. C. Sanders, T. B. Salvato 2003-5-9 26588 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  UCR91551  Crassula connata A. C. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay, C. L. Sanders 1995-2-12 15920 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fan below the Little San Bernardino Mtns., Fargo Canyon Road, 1.35 mi. east of Dillon Road 98 Comment
  RSA679819  Crassula connata LeRoy Gross, Valerie Soza 2003-5-8 830 Riverside North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  SD253431  Cressa truxillensis Mitch Provance 2013-6-16 613 19 Riverside Santa Ana River Valley: City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, ca. 0.4 mile west of Van Buren. 226 Comment
  UC1929302  Cressa truxillensis Scott D. White, Justin Wood 2008-4-15 11875 Riverside Perris Valley; Interstate 215, between Nuevo Rd and Scott Rd. Comment
  UCR126988  Cressa truxillensis A. C. Sanders, Guy Bruyea 2003-6-12 26890 Riverside Perris-Aguanga Basin Region, Winchester, SW edge of town between Simpson Ave. and Olive Ave., c. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  CLARK-A1528-2620  Crossosoma bigelovii John C. Roos 1967-3-25 Riverside Whitewater Canyon Comment
  JOTR37743  Crossosoma bigelovii Hodges, Stephen, Aliya Ingersoll 2016-2-24 657 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Upper Long Canyon Comment
  POM300565  Crossosoma bigelovii Lyman Benson 1958-4-18 15786 Riverside Morongo Canyon 549 Comment
  RSA480573  Croton californicus Albert J. Perkins 1895-05 s.n. Riverside Near Riverside. Comment
  RSA651553  Croton californicus Brinkerhoff 1949-2-20 s.n. Riverside Thousand Palms, Colorado Desert. 762 Comment
  RSA651889  Croton californicus David B. Dunn 1948-3-14 s.n. Riverside 5 mi. west of Thousand Palms. Comment
  UC63984  Croton californicus L. D. Copeland May 1904 Riverside Palm Springs Colorado Desert Comment
  UCR163797  Croton californicus John F. Green 2005-10-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; ENE of Salton Sea State Park, along Coachella Canal 24 Comment
  UCR169922  Croton californicus Scott D. White, Jennifer H. Jones 2005-4-21 10948 Riverside Sonoran Desert, Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  POM87349  Croton californicus var. mohavensis Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  JOTR35173  Crypsis schoenoides Harding, Mitzi, T. Herskovits 2011-9-14 161 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1301 Comment
  RSA674754  Crypsis schoenoides Scott D. White 2001-6-29 8632 -A Riverside Meniffe Valley: About 1.4 air mi SW of the I-215/ Newport Rd. Interchange, northwest of the intersection of HollandRd. and Bradley Rd. 439 Comment
  SEINET5584422  Cryptantha Stephen Hale 2010-1 Riverside Along power line, adjacent to State Route 95 110 Comment
  JOTR35370  Cryptantha angustifolia Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 164 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  RSA314619  Cryptantha angustifolia R. F. Thorne, Drs Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55486 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA791601  Cryptantha angustifolia D. Silverman 2010-3-23 7820 Riverside Chuckawalla Valley, dunes at SSE tip of Palen Lake, 1.7 km SW of Palen Dunes Dr., 3.3 km N of I-10 and 8 km ESE of Sidewinder Well. 128 Comment
  UCR279574  Cryptantha angustifolia A. C. Sanders, Jim Malusa 2017-3-28 43142 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  UCR74378  Cryptantha angustifolia Theo Glenn 1991-5-1 91- 48 Riverside Sonoran (Colorado) Desert, McCoy Mts, NW of Blythe 240 Comment
  CAS-BOT-BC177103  Cryptantha barbigera G. K. Helmkamp 1984-5-2 D- 26 Riverside Little San Bernardino Mountains: Big Morongo Canyon, 3 - 3.5 mi below the caretaker's house at the Big Morongo Preserve 610 Comment
  SD127607  Cryptantha barbigera David Charlton 1988-2-18 1133 Riverside South side of Little San Bernardino Mountains, Fargo Canyon Road to Cottonwood Wash, 1 mile east of junction Dillon Road and Fargo Canyon Rd 609 Comment
  UC857072  Cryptantha barbigera C. L. Hitchcock 1940-4-3 5932 Riverside 1.5 mi ne Cottonwood Springs (along 29 Palms Road); Joshua Tree National Monument Comment
  UCR279331  Cryptantha barbigera var. barbigera A. C. Sanders, Jim Malusa 2017-3-23 42912 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  UCR279559  Cryptantha barbigera var. barbigera A. C. Sanders, Jim Malusa 2017-3-29 43179 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  UCR115343  Cryptantha corollata A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16268 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
  RSA787698  Cryptantha costata Duncan S. Bell 2012-4-5 3310 Riverside Palen sand dunes on the southwest side of the Palen mountains at the south end of Palen Valley and the northwestern part of Chuckwalla Valley. Approx. 6.75 air miles directly north of Hell. 141 Comment
  UCR41535  Cryptantha decipiens A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6049 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  RSA0020371  Cryptantha dumetorum Duncan S. Bell 2012-3-4 3130 Riverside Arica Mountains; west side of range, approximately 2.3 air miles west of Priests Well. 420 Comment
  RSA559332  Cryptantha intermedia Steve Boyd, Tim Ross 1992-5-15 7410 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 670 Comment
  SD255670  Cryptantha intermedia Mitch Provance 2012-5-24 512 4 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson Street (Beaumont 7.5'Q) 868 Comment
  SDSU13533  Cryptantha intermedia W. Miller with C. Mosse 1972-7-5 Riverside Comment
  UCR187471  Cryptantha intermedia Diane Menuz 2006-5-16 091 Riverside Peninsular Range, Tule Creek watershed off Happy Valley Road, Dry Ranch, 2.5 miles NE of Aguanga 738 Comment
  UCR199560  Cryptantha intermedia Scott D. White 2004-4-26 10270 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UCR47238  Cryptantha intermedia B. G. Pitzer, L. F. LaPre 1987-3-2 0430 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  POM9602  Cryptantha intermedia I. M. Johnston 1920-5-8 s.n. Riverside Butte due west of Lakeview Comment
  RSA0042542  Cryptantha intermedia F. Raymond Fosberg 1932-5-9 10637 Riverside St. John's Grade near Hemet. 770 Comment
  SEINET12280821  Cryptantha intermedia M. F. Spencer 1922-1 306 Riverside 732 Comment
  RSA782530  Cryptantha intermedia var. intermedia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38373 Riverside southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg ) of intersection of I-15 and Lake St. 465 Comment
  SDSU21777  Cryptantha juniperensis A. C. Sanders, Timothy W. Chumley 2013-4-2 40751 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., above I-15 Fwy, SE of Corona (Lee) Lake (Alberhill 7.5') 396 Comment
  JOTR35322  Cryptantha maritima Harding, Mitzi, Mark Wheeler 2012-2-28 90 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  POM126312  Cryptantha maritima T. Craig 1927-4-2 13 Riverside Hidden Springs Canyon. Comment
  POM73211  Cryptantha maritima Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  RSA0124819  Cryptantha maritima Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8751 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
  NY1154442  Cryptantha micrantha N. H. Holmgren 1973-3-22 6462 Riverside Rice Valley, 7 miles south-southwest of Rice 274 Comment
  SEINET3005010  Cryptantha micrantha G. Rink, A. Karl, M. Honer, T. Thomas 2011-4-6 10439 Riverside Ca 5 miles west of Blythe, south fo I-10 and north of the transmission line, on dunes 141 Comment
  UC1063825  Cryptantha micrantha H. S. Yates 1937-3-23 6400 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  SEINET10840807  Cryptantha micrantha David B. Dunn 1946-8-17 Dunn 2718 Riverside Round meadow dry hillside among Lodge Pole pines San Jacinto mts. Hidden Lake. 2441 Comment
  RSA0013026  Cryptantha micrantha var. lepida LeRoy Gross, Caitlin Elam 2013-5-14 6045 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA145650  Cryptantha micrantha var. lepida P. H. Raven 1959-5-18 s.n. Riverside Lake Fulmor, San Jacinto Mountains Comment
  RSA526080  Cryptantha micromeres Steve Boyd, Timothy S. Ross 1990-5-11 4653 B Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA355166  Cryptantha microstachys A. C. Sanders, B. Pitzer 1986-4-30 6479 Riverside Bee Cyn, along the road, l.1 mi. above the mouth of the canyon at the San Jacinto River Valley. 703 Comment
  RSA525339  Cryptantha microstachys Steve Boyd, D. E. Bramlet 1990-4-29 4469 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA594773B  Cryptantha microstachys D. L. Banks, Dylan Hannon 1996-5-3 0967 C Riverside Agua Tibia Mountains; Foothills S of Hwy. 79, E of the Dripping Spring Campground, approximately 150 m SE of the Helipad at the upper camp sites., 33 deg 27' 46''N, 116 deg 57' 56'' W 524 Comment
  SBBG101671  Cryptantha microstachys S. Boyd, O. Mistretta 1991-5-22 6282 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk 548 Comment
  UCR104886  Cryptantha microstachys A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20647 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
  UCR115432  Cryptantha microstachys Scott D. White, D. E. Bramlet 1999-4-22 7244 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR157463  Cryptantha microstachys A. C. Sanders 1994-5-30 14596 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA776051  Cryptantha muricata C. P. Cowan 1978-4-25 1261 Riverside 0.4 mile (0.6 km) off Hwy. 74 on Morris Ranch Road, 4.3 miles (6.9 km) N on 74 from jct with 371. San Bernardino National Forest Comment
  SEINET3145436  Cryptantha muricata R. W. Spellenberg, N. Zucker 2001-3-27 13186 Riverside Desert Hot Springs. Indian Ave., 0.5 km S of jxn w/ Calif. Hwy 62 540 Comment
  UC1168726  Cryptantha muricata Peter H. Raven 1958-5-18 12978 Riverside 3.0 mi e junction of road to Aguanga (State Highway 74); San Jacinto Mountains Comment
  UCR167799  Cryptantha nemaclada T. B. Salvato, John F. Green 2004-5-27 571 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  RSA0081536  Cryptantha nevadensis Marc A. Baker, Michelle Cloud-Hughes 2014-2-16 17915 Riverside Rice Valley, lower bajada on the north side of the Big Maria Mountains, 11 km WNW of Quien Sabe Point, 35 km NNW of Blythe. 312 Comment
  UCD119982  Cryptantha nevadensis 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. 1372 Comment
  UCR268082  Cryptantha pterocarya Jim Andre 2012-4-11 20679 Riverside Mojave Desert, Joshua Tree National Park, Hidden Tank Picnic Area, 1.4 miles southwest of paved road (Utah trail) to Cottonwood Spring, c. 8 miles south of North Entrance Station, north end of Hexie Mountains 1077 Comment
  SDSU21862  Cryptantha pterocarya f. pterocarya Duncan S. Bell 2011-7-7 2177 A Riverside The northeast side of the Arica mountains; approximately 2.5 air miles northwest of Priests Well or approximately 4.3 miles southwest of the ghost town of Rice. 339 Comment
  RSA0079104  Cryptantha pterocarya var. pterocarya Duncan S. Bell 2010-4-2 703 Riverside Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness. Collecting on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it. 595 Comment
  JOTR29434  Cryptantha racemosa La Doux, Tasha, M. Bell, B. Truesdell 2006-3-22 1368 Riverside Joshua Tree National Park. East Wide canyon 499 Comment
  JOTR33726  Cryptantha utahensis La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2727 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  RSA339324  Cryptantha utahensis R. F. Thorne, C. W. Tilforth 1980-5-28 54206 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  SBBG28778  Cryptantha utahensis C. L. Hitchcock 1940-3-29 5867 Riverside Cottonwood Cyn, ca. 100 yrds E of Spring Comment
  UCD107531  Cucurbita foetidissima K. Esau 1935-6-15 s.n. Riverside Near Riverside. Comment
  UCR20830  Cucurbita foetidissima A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1297 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  POM204501  Cucurbita palmata M. French Gilman 1934-10-3 s.n. Riverside Cabazon. Comment
  UC1075573  Cucurbita palmata P. C. Everett and E. K. Balls 1956-5-2 21550 Riverside 1 mi. from turn-off w. of Desert Center to Eagle Mt. 274 Comment
  CAS-BOT-BC224602  Cuscuta californica var. papillosa Lewis S. Rose 1946-12-23 46300 Riverside Cathedral Canyon Wash 182 Comment
  RSA71003  Cuscuta ceanothi F. W. Peirson 1924-7-29 5036 Riverside Banning to Idyllwild Rd. 1555 Comment
  SBBG30056  Cuscuta subinclusa L. C. Wheeler 1933-12-1 2284 Riverside San Gorgonio wash at Southern Pacific Railroad, San Gorgonio Pass 640 Comment
  UCR1087  Cylindropuntia californica var. parkeri Peter De Gano 1970-5-11 700511- 04 Riverside city of Riverside, University of California campus, just south of Perimeter Road 305 Comment
  RSA125841  Cylindropuntia echinocarpa E. K. Balls, Percy C. Everett 1957-11-13 22801 Riverside Snow Creek, between village and Fish Hatchery. 671 Comment
  RSA0098478  Cylindropuntia ganderi var. ganderi Marc A. Baker 2015-7-4 18385 .2 Riverside San Jacinto Mountains, 25 km SSE of central Palm Springs, 800m WSW of Sugarloaf Mountain. 1236 Comment
  RSA613958  Cyperus difformis A. C. Sanders 1994-7-27 15165 Riverside Riverside: Santa Ana River between the San Bernardino County line and the Market Street Bridge. 246 Comment
  UCR113865  Cyperus difformis Mitch Provance 2000-6-24 2059 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR92732  Cyperus difformis A. C. Sanders 1994-7-27 15165 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 Comment
  RSA522716  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3807 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UCR90827  Cyperus involucratus A. C. Sanders, G. K. Helmkamp 1996-3-17 17981 Riverside Coachella Valley, Palm Springs, Tahquitz Canyon in vicinity of the debris basin above the W end of Sunny Dunes Road. 183 Comment
  RSA577533  Cyperus laevigatus L. C. Wheeler 1932-9-4 1325 Riverside Santa Ana River at Chino Creek. 152 Comment
  SEINET3830467  Cyperus rotundus G. Rink, M. Baker, T. Thomas, M. Honer, A. Karl 2010-1 10333 b Riverside Canal two miles north of Blythe. Comment
  RSA667129  Cyrtomium falcatum A. C. Sanders, Steve Boyd 2000-11-30 23727 Riverside Riverside; Box Springs Mtns. foothills, Box Springs Canyon above Sheriff's Academy, north of Central Ave. 366 Comment
  SD115253  Dactyloctenium aegyptium Brad Ballen 1984-11-22 Riverside Southwest of Indio; 300 meters west of Hjorth Avenue; north roadside of Avenue 48 Comment
  HSC47600  Dalea mollis Richard Spjut 1975-5-10 5035 Riverside N face of Chuckawalla Mts., 2.7 mi. S of Desert Center. 335 Comment
  JOTR16699  Dalea mollissima Vanderspek & Youse 1964-4-19 64537 Riverside Joshua Tree National Park. WILSON CANYON 853 Comment
  RSA336192  Dalea mollissima R. F. Thorne, Walter Wisura, Avi Shmida, R. Whittaker 1978-4-23 52043 Riverside Just E of Palm Desert. Comment
  RSA91542  Dasyochloa pulchella F. W. Peirson 1928-3-10 7711 Riverside Small side canyon in which Hidden Spring is located, northeast of Mecca Comment
  UCR193503  Datisca glomerata A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35647 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
  UCSB37371  Datura discolor Roos, J. 1965-11-6 Riverside Colorado Desert, 26 miles west of Blythe. Comment
  HSC25961  Datura wrightii R. W. Spjut 1972-1-20 2122 Riverside Colorado Desert, near Kaiser Mine 10 mi. N of Desert Center 305 Comment
  UC444927  Datura wrightii F. M. Reed 1905-9-28 257 Riverside Riverside Comment
  SEINET10898390  Datura wrightii David Charlton 1988-2-25 Charlton 1163 Riverside Box canyon wash between the Mecca Hills and Orocopia Mtns. 10 miles S of I-10 and N of Mecca and Salton Sea. 305 Comment
  UCR187479  Daucus pusillus Theresa Johnson 2006-5-10 090 Riverside Peninsular Range, Alberhill, old clay mine area off Coal Road, north of Terra Cotta 488 Comment
  UCR266488  Daucus pusillus Mitch Provance, Matt Amalong 2015-3-25 315- 33 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  UC1392939  Deinandra kelloggii R. F. Hoover 1968-6-7 11155 Riverside s of Hemet; Lower St. Johns Canyon Comment
  SEINET3159336  Delphinium parishii S. B. Parish 1907-4-18 6074 Riverside western border of the Colorado desert; from type? station 150 Comment
  UC854177  Delphinium parishii subsp. parishii I. W. Clokey, B. C. Templeton 1930-4-9 4696 Riverside North of Palm Springs. Colorado Desert 51 Comment
  UCR158710  Delphinium parryi A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30007 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
  UCR162975  Delphinium parryi N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 187 B 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
  UC702865  Delphinium parryi Charles B. Fiker 1946-5-30 3494 Riverside dip s Temecula River bridge on Hwy 395 Comment
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Aug 12 2016
  CAS-BOT-BC121423  Delphinium parryi subsp. parryi Edmund C. Jaeger 1932-5-12 s.n. Riverside Sage, south of Hemet. 762 Comment
  RSA0086776  Dendromecon rigida R. G. Swinney 1967-5-26 11733 Riverside Snow Creek. 335 Comment
  CAS-BOT-BC227229  Deschampsia danthonioides D. E. Bramlet 1991-5-7 2120 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  RSA356706  Deschampsia danthonioides var. gracilis R. F. Thorne, E. W. Lathrop 1975-5-20 45505 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  UCR279340  Descurainia pinnata A. C. Sanders, Jim Malusa 2017-3-23 42948 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  CAS-BOT-BC43356  Descurainia pinnata subsp. glabra J. H. Thomas 1949-2-28 58 Riverside Southern part of Palm Springs. Comment
  JOTR34104  Descurainia pinnata subsp. glabra La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2725 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  POM369390  Descurainia pinnata subsp. glabra M. B. Dunkle 1932-3-25 2888 Riverside Cabazon. Colorado desert. 457 Comment
  RSA33627  Descurainia pinnata subsp. glabra N. C. Cooper 1945-3-24 1620 Riverside Cabazon. 457 Comment
  RSA799237  Descurainia pinnata subsp. glabra Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 745 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road 305 Comment
  UC856000  Descurainia pinnata subsp. glabra C. L. Hitchcock 1940-4-1 5911 Riverside Cottonwood Spring wash; Joshus Tree National Monument Comment
  RSA0124040  Descurainia pinnata subsp. intermedia Duncan S. Bell, LeRoy Gross 2016-3-10 8886 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  JEPS64173  Dichelostemma capitatum W. L. Jepson 1901-5-19 1299 A Riverside Strawberry Valley Mt. San Jacinto 1676 Comment
  UCR201709  Dichelostemma capitatum Scott D. White, Justin M. Wood 2008-6-19 12269 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  RSA367463  Dichelostemma capitatum subsp. capitatum F. A. Thackery 1927-3-30 289 Riverside Banning Comment
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Mar 13 2011
  UCR81104  Dichelostemma capitatum subsp. capitatum Scott D. White 1993-5-29 1447 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  GMDRC7548  Dicoria canescens J. M. Andre 2015-4-23 32756 Riverside Rice Valley: along Rice-Midland Rd, 3.1 mi. south of Hwy 62, eastern end of Arica Mountains 253 Comment
  CAS-BOT-BC292250  Dieteria asteroides var. asteroides H. M. Hall 1905-4-1 5920 Riverside Colorado Desert. Paloverde [Palo Verde] Valley 91 Comment
  SD137606  Diplacus aurantiacus Darin L. Banks, Steve Boyd 1995-6-2 560 Riverside Cleveland National Forest; Agua Tibia Wilderness area; N face of N peak of Agua Tibia Mountain; on Woodchuck Trail N of the Riverside County boundary, ca Ao mi S of the clay grasslands 901 Comment
  RSA0019284  Diplacus brevipes N. C. Cooper 1944-6-17 1424 -A Riverside San Jacinto Mtns. above Banning. 1220 Comment
  RSA0019420  Diplacus fremontii Scott D. White 1999-6-6 7440 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  SD233787  Diplotaxis muralis A. C. Sanders 2002-11-17 25624 Riverside San Bernardino/Santa Ana River Valley Region: Riverside, UCR Botanical Garden, near the west fence above the Latin American section (Riverside East 7.5' Q). Disturbed edge of dirt path. 366 Comment
  RSA613137  Distichlis spicata D. L. Banks 1997-3-6 1407 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  UC579210  Distichlis spicata H. S. Yates 1937-6-27 6704 Riverside Near Relief Hot Springs 457 Comment
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Mar 13 2011
  UCR121096  Distichlis spicata A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24966 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  RSA70431  Ditaxis californica F. W. Peirson 1921-3-23 2043 Riverside Deep Canyon Wash, 12 miles southeast of Palm Springs. 152 Comment
  CHSC110028  Ditaxis lanceolata Steve Boyd; Tammy Morgan, Aydee Virgen, Sarah DeGroot, 2004-5-14 11225 Riverside Colardo Desert; Chocolate-Chuckwalla Mountains region: 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
  JOTR38677  Ditaxis lanceolata Hodges, Stephen R. 2017-2-2 684 Riverside Joshua Tree National Park. Cottonwood Mountains; at base of southern end, north of park boundary Comment
  SDSU3680  Ditaxis lanceolata Pamela A. Beare 1992-3-13 13 III92F Riverside East of Mecca, just north of of Box Canyon Road, 4.9 miles ca. east of Painted Canyon Road. 146 Comment
  UCR104601  Ditaxis lanceolata James C. Dice, C. Barrows, K. Nicol, I. Eleck 1997-11-6 97116 - Riverside Coachella Valley, La Quinta, just west of Avenida Montezuma and Calle Nogales, E foot of Indio Mtn. 61 Comment
  JOTR33805  Ditaxis serrata var. californica La Doux, Tasha, B. Truesdell 2007-11-9 3303 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park, open bajada below mouth of Lost Palms Canyon (STOP 2) 601 Comment
  CAS-BOT-BC43636  Dithyrea californica Peter H. Raven 1958-1-23 11421 Riverside Along United States Highway 99, 8.6 miles west of Thousand Palms turnoff. Comment
  CAS-BOT-BC43653  Dithyrea californica Alice Eastwood 1913-4-30 2987 Riverside Palm Springs. Comment
  RSA0014720  Dithyrea californica J. Andre 2013-3-27 24797 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  RSA27209  Dithyrea californica C. L. Hitchcock 1940-4-4 5959 Riverside Pinto Basin. Comment
  RSA550336  Dithyrea californica W. Wisura, John Dolan, M. Wall 1992-3-25 4652 Riverside Lowdesert: 2.7 miles S of prison on Wileys Well Road. Comment
  SBBG24505  Dithyrea californica A. I. Richardson 1966-3-23 Riverside S of Desert Highland Hot Springs rd to village of Thousand Palms Comment
  UC186810  Dithyrea californica S. B. and W. F. Parish April 1882 15 Riverside Whitewater, borders of the Colorado Desert Colorado Desert Comment
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Jul 15 2009
  UC61578  Dithyrea californica Dr. R. J. Smith March 1904 100 Riverside White Water 335 Comment
  UC724130  Dithyrea californica Aven and Ruth Nelson 1939-3-28 3303 Riverside s of Mecca Comment
  UCD114719  Dithyrea californica Francis M. Ball 1964-1-4 66 -1 Riverside Ca. 16 miles E of Banning on main highway to Indio: Whitewater turnoff on E side of Whitewater Canyon. Comment
  UCD114722  Dithyrea californica A. H. Frederick 1928-3-1 s.n. Riverside Palm Springs, W Colorado Desert. Comment
  SEINET5342915  Dithyrea californica N. H. Holmgren, Patricia Kern Holmgren; Ruth E. Kern 1973-3-22 6453 Riverside Rice Valley, 7 miles south-southwest of Rice. 274 Comment
  CAS-BOT-BC412629  Dodecahema leptoceras A. G. Vestal 1937-5-10 s.n. Riverside 7.4 mi So of Hemet Comment
  CAS-BOT-BC412632  Dodecahema leptoceras Steve Boyd 1986-4-19 1692 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road Comment
  CLARK-A1528-3836  Dodecatheon clevelandii John C. Roos 1952-2-29 5370 Riverside Box Springs Mountains 457 Comment
  UCR20796  Downingia bella A. C. Sanders 1980-5-17 1468 Riverside Santa Rosa Plateau, Santa Ana Mtns., 2.5 miles SW of Murrieta, Mesa De Burro 620 Comment
  SEINET10702753  Downingia cuspidata Robert F. Thorne, Earl W. Lathrop 1969-6-6 Thorne 39314 a Riverside Rancho California, Mesa De Colorado. 625 Comment
  UC10472  Draba corrugata var. saxosa H. M. Hall July, 1901 2413 Riverside near the summit San Jacinto Mountains San Jacinto Mountains 3291 Comment
  RSA0123751  Draba cuneifolia Duncan S. Bell, LeRoy Gross 2016-3-10 8872 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  POM366543  Drymocallis glandulosa N. C. Cooper 1944-6-17 1378 Riverside San Jacinto Mountains: above Banning. 1372 Comment
  UCR12626  Dryopteris arguta I. G. Rauch 1968-2-15 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon 488 Comment
  CAS-BOT-BC427976  Dudleya arizonica S. B. Parish; W. F. Parish 1882-4-1 588 Riverside Borders of the Colorado Desert, Whitewater Comment
  UCR252199  Dudleya lanceolata Marissa Manahan 2011-4-24 s.n. Riverside Mount Rubidoux Park, Riverside, near summit 381 Comment
  UCR84643  Dudleya lanceolata Scott D. White, S. Ogg 1994-4-21 1985 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR150892  Dudleya multicaulis Valerie Soza, LeRoy Gross 1999-6-21 570 Riverside Santa Ana Mountains, Oak flats, SW of Serrano Spring 732 Comment
  UCR25804  Dudleya saxosa John C. Roos 1937-4-18 1284 Riverside San Gorgonio Pass, Near Cabazon Comment
  CAS-BOT-BC109603  Dudleya saxosa subsp. aloides Reid Moran 1947-5-10 2181 Riverside Palms-to-Pines highway 1 mile east of Santa Rosa Summit. 1371 Comment
  RSA747756  Dudleya saxosa subsp. aloides Scott D. White, Justin M. Wood 2009-4-28 12607 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  SEINET251720 Image available Echinochloa crus-galli A. C. Sanders 1999-10-15 23170 Riverside San Jacinto Valley: Mystic Lake, 1.4 mi. E of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  RSA557350  Echinodorus berteroi Julie Greene 1993-5-12 1297 Riverside North side of San Jacinto River levee, west of Davis Road. 433 Comment
  SDSU14317  Ehrharta longiflora Ingrid Poulin, Dr. M. G. Simpson & Biology 531, class of Spring 2002 2002-4-20 25 Riverside Santa Margarita Ecological Reserve - Northside; bank of Santa Margarita River. 229 Comment
  SD122927  Elatine californica Robert F. Thorne, M. Z. Thorne and W. Wisura 1978-5-21 51987 Riverside Santa Rosa Plateau; Mesa de Colorado. 609 Comment
  RSA234019  Elatine chilensis R. F. Thorne, E. W. Lathrop 1969-5-12 37939 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  UC1536019  Elatine chilensis Robert F. Thorne and Earl Lathrop 1975-5-25 45546 Riverside Mesa de Burro Santa Rosa Plateau (Rancho California) Comment
  UC1922815  Eleocharis bella Naomi Fraga, et al. 2006-7-11 1727 Riverside Peninsular Ranges; San Jacinto Mountains region: Mount San Jacinto State Park, Hidden Lake. Comment
  UCR78097  Eleocharis bella Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6339 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  RSA623564  Eleocharis engelmannii R. E. Riefner 1998-10-15 98 -522 Riverside Menefee-Paloma Valley Comment
  RSA92089  Eleocharis geniculata F. W. Peirson 1924-12-30 5408 Riverside Thousand-Palms Canyon, Colorado Desert 122 Comment
  UCR220334  Eleocharis macrostachya D. E. Bramlet 1992-4-29 2251 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, west edge of Hemet, west of Warren Rd. and north of Florida Ave./Hwy 74 457 Comment
  SEINET13709830  Eleocharis macrostachya J. Adams, J. Adams (Botany) 1966-1 717 Riverside Santa Rosa Plateau, 15 Mi E of De Luz 2500 Ft 762 Comment
  RSA544428  Eleocharis palustris Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6333 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  RSA736244  Eleocharis parishii Scott D. White, Jonathan Campbell 2008-4-18 11894 Riverside Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. 274 Comment
  UC1979680  Eleocharis parishii Darin L. Banks, Steve Boyd 1995-5-3 219 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
  RSA613950  Eleusine indica A. C. Sanders 1994-7-27 15163 Riverside Riverside: Santa Ana River between the San Bernardino County line and the Market Street Bridge., 117 deg 22.5'W, 34 deg 01'N.) 246 Comment
  POM12148  Elymus elymoides Mary F. Spencer 1921-6-15 1692 Riverside Idyllwild, San Jacinto Mt. 1616 Comment
  RSA500131  Elymus glaucus subsp. jepsonii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3680 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  JEPS1565  Emmenanthe penduliflora W. L. Jepson 1928-4-19 12427 Riverside 5 mi N Elsinore Comment
  UCR216359  Emmenanthe penduliflora Mike Bell 2008-3-19 037 Riverside Sonoran (Colorado) Desert/San Bernardino Mtns., Bonnie Bell, along Whitewater River c. 2 miles north on Whitewater Canyon Rd. from I-10 freeway 537 Comment
  SEINET7048160  Emmenanthe penduliflora var. penduliflora Steven R. Hill 2001-5-3 33661 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  RSA85478  Encelia californica J. C. Roos 1952-4-16 5557 Riverside Box Springs Mountains, Pigeon Pass. 396 Comment
  UCSB18955  Encelia californica Wright, David 1963-5-5 Riverside State Highway 74, about 6.8 miles S of Dead Indian Creek 1066 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
  LA202448  Encelia farinosa Philip A. Munz; 1932-3-14 11983 Riverside Deep Canyon, Coachella Valley 152 Comment
  SBBG52758  Encelia farinosa N. C. Cooper 1944-4-8 1094 Riverside Andreas Cyn 304 Comment
  SEINET7907882  Encelia farinosa D. A. Johnson 2005-1 Riverside Between Coachella & S entrance to Joshua Tree Nat'l Park, S of I-10, 914 Comment
  UC895515  Encelia farinosa I. W. Clokey and B. C. Templeton 1930-4-9 4687 Riverside n of Palm Springs; Colorado Desert Comment
  UCD20085  Encelia farinosa Donald W. Kyhos 1965-5-11 65 -211 Riverside Growing at mouth of Whitewater Canyon, about 15 miles northwest of Palm Springs. Comment
  SEINET10958167  Encelia farinosa David B. Dunn 1946-2-22 Dunn 1969 Riverside Hidden Springs Canyon in the vicinity of the Palms. Comment
  UCR41522  Ephedra aspera A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6142 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  SBBG21950  Ephedra californica R. F. Thorne 1964-5-3 33851 Riverside near hwy ca. 4 mi S of Morongo Valley, ca. 3 mi S of San Bernardino Co line Comment
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Apr 24 2011
  SD216458  Ephedra californica Carol R. Annable 1995-3-9 2252 Riverside Circa 14.5 kilometers Northwest of Palm Springs, North slope of Whitewater Hill. Comment
  JOTR35307  Ephedra nevadensis Andre, Jim 2012-4-11 20808 Riverside Joshua Tree National Park. western margin of Eagle Mountains, along road to Cottonwood Spring (Utah Trail), 0.7mi N of Cottonwood Visitor Center 956 Comment
  RSA794236  Ephedra nevadensis J. Andre 2012-3-19 21334 Riverside Chuckwalla Mountains; north end of range at Jaeger Nature Sanctuary, 1.5 miles south of junction Eagle Mountain Road and I-10 freeway. 411 Comment
  CAS-BOT-BC81872  Ephedra trifurca Philip A. Munz 1941-4-5 16693 Riverside sand dunes southeast of Iron Mts. Comment
  CLARK-A1528-2673  Ephedra viridis John C. Roos 1949-4-10 4224 Riverside Chuckwalla Mountains Comment
  UCR89318  Epilobium brachycarpum Scott D. White 1995-9-22 s.n. Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  UCR94959  Epilobium brachycarpum Scott D. White 1996-9-22 s.n. Riverside Perris Basin, Perris: Nuevo Road near intersection with Wilson Ave., west of the San Jacinto River crossing. 436 Comment
  CAS-BOT-BC165934  Epilobium campestre A. C. Sanders; T. B. Salvato 2001-5-25 24376 Riverside San Jacinto Valley: west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  UCR138594  Epilobium canum subsp. canum D. L. Banks 1996-11-7 1216 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, 1.6 km east of the roads crossing with Pechanga Creek on the N fork of the creek, at the E end of the Reservation 415 Comment
  POM153434  Epilobium canum subsp. latifolium Martha Hilend 1927-12-31 s.n. Riverside Cottonwood Springs. South edge of Mojave Desert. Comment
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Sep 20 2011
  POM48869  Epilobium canum subsp. latifolium P. A. Munz 1924-7-26 8703 Riverside Near Dark Canyon, San Jacinto Mts. 1524 Comment
  RSA9685  Epilobium canum subsp. latifolium Louis C. Wheeler 1931-10-3 197 Riverside Strawberry-Tahquitz Valley Trail, San Jacinto Mountains. 2348 Comment
  UCR178160  Epilobium ciliatum John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  UCR39542  Epilobium ciliatum A. C. Sanders 1980-8-23 1748 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  UCR202593  Epilobium densiflorum Scott D. White, Justin M. Wood 2008-7-8 12399 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  RSA381717  Epipactis gigantea M. D. Proctor 1942-4-4 507 Riverside Andreas Canyon, east base of San Jacinto Mts. 305 Comment
  RSA381724  Epipactis gigantea Burton 1911-5-24 s.n. Riverside Riverside. Comment
  RSA6079  Epipactis gigantea Carl B. Wolf 1932-5-25 3662 Riverside Flat at mouth of east fork of Snow Creek, N Base of San Jacinto Mountains 671 Comment
  SD153002  Epipactis gigantea Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7315 Riverside Southern Santa Ana Mtns, San Mateo Cyn Wilderness Area, San Mateo Cyn, along stream & adjacent benches & lower slopes from confluence w/Los Alamos Cyn downstream to confluence with Tenaja Cyn. Local amoung boulders and moist gravel bars along stream. 366 Comment
  SD229010  Equisetum laevigatum Dick Schwenkmeyer 2012-6-27 754 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  UC810270  Equisetum laevigatum Crawford and Johnston 1917-6-9 1216 Riverside Santa Ana River near Corona Comment
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Jun 9 2011
  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
  UCR23991  Eragrostis curvula var. curvula John C. Roos 1965-9-16 s.n. Riverside Lakeview Comment
  SBBG56820  Eragrostis mexicana M. N. Ackley 1928-3-25 Riverside near Edom 64 Comment
  UCR93087  Eragrostis minor A. C. Sanders, S. Ogg 1994-7-28 15173 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  CAS-BOT-BC284071  Eragrostis pectinacea var. pectinacea Lewis S. Rose 1957-1-3 57008 Riverside La Quinta 15 Comment
  RSA4861  Eremalche exilis Carl B. Wolf 1932-4-27 3027 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
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Dec 11 2011
  UC1922542  Eremalche exilis Michael Honer, Theresa Miller 2005-3-11 2065 Riverside Colorado Desert; Northeastern Colorado Desert region: Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E. of ATSF railway. Comment
  UCR279339  Eremothera chamaenerioides A. C. Sanders, Jim Malusa 2017-3-23 42951 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  SD258955  Eremothera refracta Sarah J. De Groot, Rachel Poutasse, Brittany Tardiff 2016-4-6 7772 Riverside Mecca Hills: Side canyon along Painted Canyon road; northeast of Mecca northwest of Box Canyon. 163 Comment
  UCR279551  Eremothera refracta A. C. Sanders, Jim Malusa 2017-3-29 43175 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  RSA0105465  Eriastrum densifolium subsp. austromontanum J. C. Roos 1965-7-22 s.n. Riverside Mountain Center Comment
  UCR126207  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-5-29 123 Riverside San Jacinto Mtns., Old Banning-Idyllwild Road, 0.4 km south of junction with Hwy 243 (the new road to Idyllwild), roadcut along both sides of road 683 Comment
  UCR189573  Eriastrum densifolium subsp. sanctorum Josh Koepke 2005-7-26 045 Riverside Santa Ana River, within Santa Ana River bed nearest the western edge, 0.1 miles north of Hwy 60 overpass 247 Comment
  UC1051493  Eriastrum diffusum subsp. coachellae Herbert L. Mason 1952-4-7 14214 Riverside Palm Springs Palm Canyon. Comment
  JEPS69033  Eriastrum eremicum subsp. eremicum W. L. Jepson 1928-4-26 12643 Riverside Whitewater bridge Colorado Desert, San Gorgonio Pass Comment
  RSA0120093  Eriastrum eremicum subsp. eremicum Ernest Braunton 1940-4-3 2022 Riverside Berdoo Canyon, 10 mi. E. of Indio. 304 Comment
  RSA0120096  Eriastrum eremicum subsp. eremicum J. S. Chase 1916-04 s.n. Riverside Palm Springs. Comment
  JOTR33874  Eriastrum harwoodii La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3049 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps interspersed w/ basalt outcrops 349 Comment
  SEINET7072855  Eriastrum sapphirinum A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Tececula and at the junction with Route 395 (115). Coordinate datum: WGS84/NAD83. (33? deg. 30' 3" North Latitude, -117? deg. 9' 3" West Longitude, Coordinate datum: NAD27.). Comment
  RSA0122959  Eriastrum sapphirinum subsp. dasyanthum Ed LaRue 1989-5-4 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; At McViker Canyon. 488 Comment
  UCR261867  Eriastrum sapphirinum subsp. dasyanthum Tim Thomas, J. Vollmar 2014-5-9 6307 Riverside Banning Pass; San Gorgonio River channel on south side of I-10 627 Comment
  RSA0122043  Eriastrum sapphirinum subsp. dasyanthum Charlotte M. Wilder 1904-6-4 s.n. Riverside Wilder's Canyon. Comment
  RSA0122947  Eriastrum sapphirinum subsp. dasyanthum L. C. Wheeler 1962-7-26 8180 Riverside Temescal Valley. Comment
  RSA0122962  Eriastrum sapphirinum subsp. sapphirinum E. K. Balls, P. C. Everett 1957-8-20 22679 Riverside Along State Hwy. 74, SE of Hemet Reservoir, S end San Jacinto Mountains. 1357 Comment
  RSA502496  Ericameria brachylepis Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-6-11 3738 Riverside Vail Lake area, along top of dissected bench, S flank of Oak Mt., N of the lake 549 Comment
  CAS-BOT-BC286795  Ericameria cuneata var. spathulata Edmund C. Jaeger 1923-5-7 s.n. Riverside Keyes' Ranch, Little San Bernardino Mts Comment
  CAS-BOT-BC298879  Ericameria nauseosa var. bernardina Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mts Comment
  RSA486463  Ericameria palmeri var. pachylepis Richard Noyes, L. Arnseth 1988-10-30 753 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  UCR149939  Ericameria palmeri var. pachylepis Scott D. White, Brian Leatherman 2004-10-7 10771 Riverside Perris Basin, city of Perris, immediately east of the I-215 Freeway, at Watson Road 434 Comment
  RSA741266  Ericameria parishii Scott D. White, Justin M. Wood 2008-7-10 12453 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  UC496516  Ericameria pinifolia Philip A. Munz 1932-10-16 12841 Riverside Palm Creek Santa Rosa Mts., Palm Creek 1463 Comment
  CAS-BOT-BC296239  Erigeron foliosus var. foliosus Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  JOTR37453  Erigeron foliosus var. foliosus Hodges, Stephen, T. Green 2016-5-24 575 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  POM3885  Eriodictyon crassifolium Robinson, Crocker 1916-3-20 s.n. Riverside Santa Ana Mts. Comment
  RSA182205  Eriodictyon crassifolium P. A. Munz 1932-4-24 12320 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  RSA455017  Eriodictyon crassifolium Elbert Benjamine 1929-5-18 233 Riverside Mt. San Jacinto. Comment
  RSA455024  Eriodictyon crassifolium H. de Forest 1933-4-17 17595 Riverside Chino Canyon, Colorado Desert. Comment
  CLARK-A1528-542  Eriodictyon trichocalyx Tony Beck 1968-5-4 680504-10 Riverside San Jacinto Mountains 1219 Comment
  CAS-BOT-BC248638  Eriogonum apiculatum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  SBBG36970  Eriogonum apiculatum R. Hoffmann 1929-9-10 Riverside Tahquitz Mtn 2286 Comment
  SEINET5328306  Eriogonum apiculatum J. L. Reveal, Caroline G. Reveal 1972-8-9 2861 Riverside San Jacinto Mtns., along California Hwy 243, 4.4 mi NNW of Idyllwild, 8.9 mi N of the junction with Hwy 74, and 1 mi S of Alandale Ranger Station, Comment
  RSA777396  Eriogonum clavatum Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 788 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  JOTR36396  Eriogonum davidsonii La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3348 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 100 m W of Pinyon Well site at spring Comment
  RSA393471  Eriogonum davidsonii N. R. Zabriskie 1972-9-17 538 Riverside Banning-Idyllwild road, S side. 1768 Comment
  RSA682862  Eriogonum deflexum Scott D. White, Michael Honer 2003-5-13 9233 Riverside Shavers Valley / Cottonwood Mountains. Lower mountain slopes ca. 1 air mile N of the I-10 Freeway. 488 Comment
  CAS-BOT-BC256128  Eriogonum deflexum var. deflexum Aven Nelson; Ruth Nelson 1939-3-29 3325 Riverside Hidden Springs Canyon, not far from Mecca Comment
  UCR161402  Eriogonum elongatum A. C. Sanders, Mike Misenhelter 2005-9-20 31674 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  UCR282150  Eriogonum fasciculatum R. E. Riefner Jr. 2017-5-17 17- 254 Riverside city of Elsinore, west of Hwy I-15, north side of Nichols Road, about mid-way between Collier Ave. and Nichols Road/Pierce Street junction 392 Comment
  UC1032043  Eriogonum fasciculatum var. fasciculatum N. French 1934-1-10 16 Riverside ne Temecula Indian Res.; San Luis Rey Quadrangle Comment
  POM159934  Eriogonum fasciculatum var. flavoviride E. C. Jaeger 1926-3-26 s.n. Riverside Eagle Mts. Comment
  RSA0062500  Eriogonum fasciculatum var. foliolosum J. M. Andre 2012-6-15 30493 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  RSA33599  Eriogonum fasciculatum var. foliolosum N. C. Cooper 1944-5-19 1296 Riverside Banning. 701 Comment
  SD22408  Eriogonum fasciculatum var. foliolosum Susan G. Stokes 1890-5-23 Riverside Comment
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Feb 18 2013
  UC219156  Eriogonum fasciculatum var. foliolosum P. A. Munz, R. D. Harwood 1920-2-28 3257 Riverside 3 mi w Corona 335 Comment
  CAS-BOT-BC250128  Eriogonum fasciculatum var. polifolium R. J. Barr 1964-11-29 64 -594 Riverside 10 miles West of Banning 762 Comment
  LA206788  Eriogonum fasciculatum var. polifolium Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, San Gorgonio Wash Comment
  RSA297345  Eriogonum fasciculatum var. polifolium Larry E. DeBuhr 1977-2-20 2556 Riverside 1 mile below the Palm Springs Tramway Station, upper canyon on east side of Mt. San Jacinto. Comment
  RSA3336  Eriogonum fasciculatum var. polifolium H. de Forest, Jack Rempel 1933-6-25 s.n. Riverside Along road from Banning. Comment
  RSA5601  Eriogonum fasciculatum var. polifolium Carl B. Wolf 1932-10-12 4296 Riverside Above Pinyon Well, Little San Bernardino Mts. 1220 Comment
  UC849424  Eriogonum fasciculatum var. polifolium I. Johnston 1917-6-5 1240 Riverside hills s Arlington 365 Comment
  UCSB1527  Eriogonum fasciculatum var. polifolium Hawkins, L. 1956-4-13 Riverside Water Canyon Comment
  SD186296  Eriogonum gracile John Green, S. J. Myers 2003-6-25 Riverside French Valley, Greenway site, along Tucalota Creek ca. 1 mile east of Murrieta Hot Springs 395 Comment
  SD137666  Eriogonum gracile var. gracile Darin L. Banks, Victor Steinman 1995-7-10 754 Riverside Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, W of lower Arroyo Seco, SE of Wildhorse Peak. Along the drainage N of the peak Agua 3280 Comment
  UCR278854  Eriogonum gracile var. gracile Mitch Provance 2012-7-14 712- 23 Riverside San Gorgonio Pass, Banning, remnant of Montgomery Creek, N side of Westward Ave, between Lovell St. and April Ln. 716 Comment
  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
  JOTR29523  Eriogonum heermannii var. argense La Doux, Tasha, Mike Bell 2006-9-6 1583 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Barker Dam Comment
  RSA701167  Eriogonum inflatum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11230 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
  SBBG1529  Eriogonum inflatum H. and M. Dearing 1936-12-25 49 Riverside 10 mi N of Indio on Aqueduct Rd [Long Cyn] Comment
  RSA779701  Eriogonum inflatum var. deflatum Duncan S. Bell 2010-4-2 727 Riverside Arica Mountains: east side of mountain range, approximately 2.4 air miles northwest of Priests Well, or approximately 5.7 air miles southwest of the ghost town of Rice. 419 Comment
  UC472765  Eriogonum inflatum var. deflatum M. F. Spencer 1918-4-13 Riverside In arenis, Palm Springs Colorado Desert, Palm Springs 125 Comment
  RSA393582  Eriogonum inflatum var. inflatum H. de Forest 1929-3-16 s.n. Riverside Painted Canyon near Mecca Comment
  RSA515201  Eriogonum inflatum var. inflatum Steve Boyd, Orlando Mistretta 1986-3-13 1475 Riverside West Side Palen Mountains: NE of Desert Center; First large canyon at NW tip of western segment of range. Comment
  RSA126714  Eriogonum maculatum Peter H. Raven 1958-5-18 s.n. Riverside Hemet Meadows, San Jacinto Mountains. Comment
  UCR244315  Eriogonum maculatum Jim Andre 2012-4-16 20890 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  CAS-BOT-BC269787  Eriogonum nudum var. pauciflorum James L. Reveal; Caroline G. Reveal 1972-8-9 2869 Riverside San Jacinto Mountains, along California Highway 243, about 0.1 mile northwest of the Vista Grande Ranger Station at the turnoff to Indian Creek Comment
  SEINET5330942  Eriogonum nudum var. pubiflorum I. W. Clokey, E. G. Anderson 1935-8-21 6590 Riverside Keene Camp P.O., Hillside 1425 Comment
  RSA754129  Eriogonum parishii W. Schlegel, Andrew Trouette 2008-8-8 1 Riverside Idyllwild: Dry creek bed. Comment
  RSA78311  Eriogonum parishii P. A. Munz, E. K. Balls 1952-8-21 17983 Riverside Road, Vandeventer Flat to Santa Rosa Peak. 2073 Comment
  JOTR32630  Eriogonum plumatella La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2553 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flat, southeast of trailhead heading toward Smith Water Canyon (Stop 2) 1398 Comment
  RSA38411  Eriogonum plumatella P. A. Munz 1946-10-20 11595 Riverside Near Ellen M. Mine, Joshua Tree National Monument. 1296 Comment
  JEPS56485  Eriogonum pusillum Marjorie D. Clary 1932-5-25 1036 Riverside between Indio and, Berdoo Canyon Pinyon Well; Colorado Desert, San Bernardino Mts., Berdoo Canyon 914 Comment
  RSA698445  Eriogonum pusillum J. R. Bruff 1928-4-2 85 Riverside Whitewater. Comment
  JOTR30124  Eriogonum reniforme La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1688 Riverside Joshua Tree National Park. Stop #3= Northwest end of Eagle Mtns., near road heading to Cottonwood 898 Comment
  CAS-BOT-BC263513  Eriogonum thomasii L. R. Abrams 1926-3-26 11112 Riverside Between Edon and Garnet east of San Gorgonio Pass Comment
  CAS-BOT-BC263520  Eriogonum thomasii D. Bates 1960-3-3 2300 Riverside Route 195, 7.3 miles s.w. of junction with routes 60-70 Comment
  CAS-BOT-BC263525  Eriogonum thomasii P. C. Everett; E. K. Balls 1958-4-29 22960 Riverside U.S. Hwy. 60/70, Indio to Blythe, 5 mi. e. from jct. with U.S. Hwy. 99 121 Comment
  RSA766147  Eriogonum thomasii Donald A. Johansen, Joseph A. Ewan 1932-4-12 7076 Riverside Devils Canyon, about 1/4 mile below falls. Comment
  SBBG89124  Eriogonum thomasii A. C. Sanders 1988-5-11 7811 Riverside Chocolate Mtns, Iria Pass area; 12 mi above the Coachella Canal in a wash E of the gasline rd from Niland 548 Comment
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Sep 10 2011
  SEINET3087900 Image available Eriogonum thomasii George K. Helmkamp 1995-3-16 Riverside W of Rice Rd. 10.3 miles NE of Desert Center. On alluvial fan below rocky slopes of Coxcomb Mtns. Common. [UTN 10 km cell: PH-5E 4N. Coxcomb (S)] 198 Comment
  UC849590  Eriogonum thomasii Aven Nelson, Ruth A. Nelson 1939-3-30 3351 Riverside near Desert Center (n of Chuckwalla Mts.) Comment
  UC912800  Eriogonum thomasii Alice Eastwood 1913-4-30 3059 Riverside Palm Springs Comment
  UCR74367  Eriogonum thomasii Theo Glenn 1991-5-2 91- 11 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  POM2304  Eriogonum thurberi S. B. Parish 1917-6-11 11363 Riverside Santa Ana River. Comment
  UCR174130  Eriogonum thurberi A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32610 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  JEPS56291  Eriogonum trichopes W. L. Jepson 1920-5-1 8916 Riverside Palm Springs of Mt. San Jacinto 137 Comment
  SEINET9369605  Eriogonum trichopes Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  SBBG64297  Eriogonum wrightii var. subscaposum R. Hoffmann 1929-9-10 Riverside San Jacinto Mtns 2438 Comment
  SEINET7048174  Eriophyllum ambiguum var. ambiguum Steven R. Hill 2001-5-3 33680 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  POM357895  Eriophyllum ambiguum var. paleaceum Emery M. Whilton 1937-4-23 s.n. Riverside Taken on the crest of the San Jacinto Mtns. Comment
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Dec 18 2011
  UC1929496  Eriophyllum ambiguum var. paleaceum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10480 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA783238  Eriophyllum confertiflorum J. D. Olmsted 1959-4-10 342 Riverside along roadside to Gilman hot springs 2 mi. s. of Hwy 60 from Riverside to Beaumont near San Jacinto Mts. 457 Comment
  UCR202427  Eriophyllum confertiflorum 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
  UCR34970  Eriophyllum confertiflorum L. B. Ziegler 1967-5-18 133 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  RSA12919  Eriophyllum multicaule C. B. Wolf 1935-4-7 6309 Riverside 2 mi. SW of Perris. 427 Comment
  UC134916  Eriophyllum multicaule C. R. Orcutt 1891-4-1 2272 Riverside near Elsinore Comment
  UCR120308  Eriophyllum multicaule Mitch Provance 1997-5-18 1092 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.4 km south of the end of Savonia Dr. in Southridge, Fontana, just on the Riverside Co. side of the county line 351 Comment
  POM157921  Eriophyllum wallacei P. A. Munz 1927-5-21 10864 Riverside Coahuila Valley. Comment
  RSA673511  Eriophyllum wallacei Scott D. White, Bill La Haye 2000-5-27 7941 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  SEINET1906294  Eriophyllum wallacei Sarah J. De Groot, J. Mark Porter 2006-1 5195 Riverside Along snow Creek road, off highway 111, ~1 mi. from Snow Creek Village. 366 Comment
  UC566752  Eriophyllum wallacei H. L. Mason 1928-3-11 4253 Riverside Palm Springs Comment
  RSA495825  Erodium brachycarpum Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2936 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA660625  Erodium cicutarium Bruce Albert 1982-4-17 7 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
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May 29 2011
  UCR174149  Erodium cicutarium A. C. Sanders 2006-5-19 32442 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
  RSA781187  Erodium cicutarium D. Silverman, Cindy Hopkins, Jamison Miner 2008-3-31 7009 Riverside SE of Banning, old gravel pit/dump E of wter treatment facility, along Smith Creek, 320 m south of E Westward Ave. 628 Comment
  CAS-BOT-BC421492  Erodium moschatum L. Nye; G. Gust 2005-3-11 60 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  UCR241543  Erodium texanum A. C. Sanders, Ann Howald 2013-2-27 40541 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 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
  UC1523678  Eryngium aristulatum var. parishii Robert F. Thorne, Walter Wisura, Earl Lathrop and Sara Meury 1985-5-18 60649 Riverside s. side Mesa de Colorado (Santa Rosa Plateau); , Mesa de Colorado 625 Comment
  UCR14767  Eryngium aristulatum var. parishii A. C. Sanders, O. F. Clarke, Dan Vossler 1975-7-23 676 Riverside Santa Ana Mtns., Santa Rosa Plateau, west of Murrieta, c. 1/2 mile west of large vernal pool on Mesa de Colorado, intersection of Avocado Mesa Rd. & Los Gatos Rd. 623 Comment
  LA204345  Erysimum capitatum var. capitatum A. H. Lange; 1951-5-27 sn Riverside San Jacinto Mountains, 10 mi. N of Fern Valley 1219 Comment
  RSA262083  Erysimum capitatum var. capitatum E. W. Lathrop 1968-5-22 6926 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  SD218387  Erythranthe diffusa P. A. Munz, I. M. Johnston 1922-5-20 5467 Riverside Kenworthy, San Jacinto Mountains. 1463 Comment
  RSA0018793  Erythranthe guttata Glenda Long 1981-5-3 31 Riverside Bogart County Park, Beaumont Comment
  RSA0015882  Erythranthe moschata Carl B. Wolf 1932-8-5 3937 Riverside Along trail from Tahquitz Valley to San Jacinto Peak. 2561 Comment
  RSA0015890  Erythranthe moschata Snell 1920-1 3402 Riverside Idyllwild. Comment
  RSA0022975  Eschscholzia androuxii F. W. Peirson 1927-4-11 7153 Riverside 0.5 mile below Whitewater Bridge, head of Coachella Valley. Comment
  SD262328  Eschscholzia californica Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-27 317 74 Riverside Temescal Valley: North side of Concordia Ranch Rd., slopes just east of Black Powder Rd (Alberhill 7.5'Q) 392 Comment
  UCR113139  Eschscholzia californica A. C. Sanders 1998-3-11 21684 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UCR113140  Eschscholzia californica A. C. Sanders 1998-3-11 21664 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, saddle dam site 534 Comment
  UCR251937  Eschscholzia californica Harun Bektas 2011-4-26 14 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  CAS-BOT-BC83135  Eschscholzia minutiflora G. B. Grant 6752 Riverside Palm Springs. Comment
  RSA0118599  Eschscholzia minutiflora Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7641 Riverside Mecca Hills: hills around Shaver's Well, along Box Canyon Road; south edge of Shaver's Valley, east-northeast of Mecca. 294 Comment
  SEINET3094859 Image available Eschscholzia parishii Norman C. Cooper 1949-4-8 3251 Riverside Mecca Pass east of Indio. Comment
  UCR112104  Eschscholzia parishii A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23355 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR120658  Eucrypta chrysanthemifolia D. E. Bramlet, P. Jacks, S. Goode 1989-4-6 1807 A Riverside Perris-Aguanga Basin, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR250317  Eucrypta chrysanthemifolia A. C. Sanders 2014-4-8 40971 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
  LA209968  Eucrypta chrysanthemifolia var. chrysanthemifolia H. L.; 1935-2-21 Riverside Reche Canyon 548 Comment
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Mar 22 2014
  POM498192  Eucrypta micrantha Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  SBBG37500  Eucrypta micrantha R. N. Muller 1967-5-5 Riverside UC Riverside campus, on S side of first E-W ridge S of irrigation reservoir Comment
  UCSB42178  Eucrypta micrantha Roos, John 1966-3-26 Riverside 2 miles SE of Desert Center Comment
  UCD103372  Eulobus californicus Geoffrey Levin 1976-3-27 690 Riverside Chino Canyon. West of Palm Springs. San Jacinto Mountains. 396 Comment
  UC1075772  Euonymus occidentalis var. parishii E. K. Balls and C. H. Dodson 1955-9-20 21442 Riverside just below Dark Canyon Camp Ground; San Jacinto Mts. Comment
  UCR245990  Euphorbia abramsiana Duncan S. Bell 2012-9-13 4176 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  UCR97279  Euphorbia albomarginata Scott D. White 1993-4-30 1315 b Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  RSA608174  Euphorbia eriantha Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10061 Riverside Colorado Desert, McCoy Wash: Bajada from southwest end of Little Maria Mountains along dirt road west of Inca railroad siding, ca. 8.2 miles west Midland Road. 213 Comment
  UCR115148  Euphorbia maculata Mitch Provance 2000-10-28 2284 B Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  OBI33604  Euphorbia polycarpa J. C. Roos 1946-10-26 3145 Riverside Chuckwalla Mts Comment
  SDSU12950  Euphorbia polycarpa Jutta Buschbom 1991-6-10 33 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  SDSU7689  Euphorbia polycarpa S. J. Barnhart 1966-4-17 660417 -10 Riverside 0.1 mi. east of McAllister St., along the Metropolitan water Co. utility road (dirt). Intersection of Utility Rd. and McAllister St. is 1.5 mi. south-east of the intersection of McAllister St. and Victoria Ave. 457 Comment
  UCR89557  Euphorbia polycarpa George K. Helmkamp 1994-3-10 42- 4 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  UCR104822  Euphorbia setiloba George K. Helmkamp 1998-4-4 3161 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  POM14909  Fagonia laevis Mary F. Spencer 1922-4-3 239 Riverside Tahquitz Canyon, Palm Springs, Colorado Desert. 213 Comment
  RSA339254  Fagonia laevis Robert F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-23 53602 Riverside Pinto Basin Road: Along road at meeting area of Mojave and Colorado Deserts 1098 Comment
  RSA747733  Fagonia pachyacantha Scott D. White, Justin M. Wood 2009-3-24 12573 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  RSA784766  Fagonia pachyacantha Duncan S. Bell 2012-3-18 3170 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  SD225135  Fagonia pachyacantha G. K. Helmkamp 1998-4-4 3158 Riverside Colorado Desert: 7.1 mi. N of Hwy I-10 on Eagle Mtn Rd, to the vivinity of the pumping station. 305 Comment
  UCR104001  Fagonia pachyacantha George K. Helmkamp 1998-4-4 3158 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  UCR5908  Festuca myuros Leland E. Francois 1966-3-29 32966- 2 Riverside Riverside, SE corner US Salinity Laboratory property, located at the corner of 14th St. and Palm Ave. 290 Comment
  RSA0026299  Filago John F. Emmel 1991-4-28 1169 Riverside Lakeview Mts. WNW of Hemet; slope 0.1 air mile south and 016 [1.6?] air mile west of intersection of Warren Road and Esplanade Ave. 518 Comment
  RSA339317  Filago californica R. F. Thorne, C. W. Tilforth 1980-5-28 54200 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  UCR58850  Filago californica Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3210 Riverside Peninsular Range, Vail Lake area, W end of bench on S flank of Oak Mtn. 549 Comment
  POM254733  Filago depressa P. A. Munz 1940-3-23 15688 Riverside north end of Pinto Basin 610 Comment
  JEPS45714  Fouquieria splendens subsp. splendens W. L. Jepson 1912-10-30 5251 Riverside Black Point; Riverside Mts., Colorado River Comment
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Nov 9 2014
  RSA0018447  Fragaria vesca F. W. Peirson 1922-5-19 3038 Riverside San Jacinto River. 1143 Comment
  UCR119846  Fraxinus velutina T. P. Krantz, K. Berg 1978-1 s.n. Riverside San Jacinto Mtns., Mellor Creek, near confluence of Mellor Creek and Indian Creek, up the creek c. 50 m from FS road 4S10 Comment
  UCR132723  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11135 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR199568  Fraxinus velutina Scott D. White, Angelia Carey 2004-7-2 10598 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  POM48351  Fraxinus velutina var. coriacea P. A. Munz, I. M. Johnston 1924-7-29 8869 Riverside San Gorgonio Canyon, north of Banning. 1128 Comment
  UC63710  Fremontodendron californicum subsp. californicum H. M. Hall 1898-7-1 958 Riverside San Jacinto Mountains, Bull Creek Bull Creek; San Jacinto Mountains, Bull Creek 1524 Comment
  RSA192245  Fritillaria biflora E. W. Lathrop 1959-4-2 4400 Riverside Cleveland National Forest, Trabuco District, Tenaja Guard Station and Tenaja Canyon. Comment
  POM3365  Funastrum cynanchoides var. hartwegii I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, Colorado Desert. 366 Comment
  UCR89833  Funastrum cynanchoides var. hartwegii Scott D. White 1993-5-27 1430 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  JOTR28931  Funastrum hirtellum La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1167 Riverside Joshua Tree National Park. Eagle Mountains, southeast end near Pinto Wells 316 Comment
  POM98983  Funastrum hirtellum E. C. Jaeger 1926-3-20 s.n. Riverside Cottonwood Springs, S base of Eagle Mts Comment
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Oct 9 2010
  RSA779724  Funastrum hirtellum Duncan S. Bell 2009-3-8 92 Riverside Arica Mountains: west side of mountain range in main western drainage approximately 2.5 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 420 Comment
  POM337421  Galium angustifolium subsp. angustifolium F. R. Fosberg 1930-4-30 S 2225 Riverside Morongo Canyon. Comment
  SBBG101768  Galium angustifolium subsp. angustifolium S. Boyd, T. Ross 1991-6-14 6404 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
  UC1536780  Galium aparine G. H. True 1935-4-1 196 Riverside along steep bank of creek Box Springs 365 Comment
  UCR91529  Galium aparine Scott D. White 1995-3-30 2662 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
  RSA701505  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot 2004-7-7 1297 Riverside Along Chimeny Flats Road (5S06) near intersection with Red Hill Road (5S10), on the way to Alvin Meadows. 1463 Comment
  UCD170550  Galium californicum subsp. primum D. O. Burge; J. Gee 2017-5-20 2278 Riverside Pine Cove area, roadside on Red Hill Road. 1720 Comment
  JOTR01223  Galium munzii Cole, James E. 1941-5-30 829 Riverside Joshua Tree National Park. QUAIL MOUNTAIN 1584 Comment
  SD186324  Galium porrigens Andy C. Sanders, Mike Misenhelter 2005-3-23 29266 Riverside Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  POM367819  Galium stellatum M. B. Dunkle 1937-3-25 4928 Riverside Colorado Desert. Shaver's Well Comment
  RSA0123088  Galium stellatum Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8972 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  CLARK-A1528-7747  Garrya flavescens John C. Roos 1950-5-6 4788 Riverside Santa Ana Mountains 1036 Comment
  JEPS29087  Garrya flavescens Carl V. Meyer Jun 1927 183 Riverside along Idyllwild to Tahquitz Peak trail (n slope of Tahquitz Ridge); Tahquitz Ridge 1828 Comment
  RSA597531  Garrya flavescens Louis C. Wheeler 1960-5-9 7687 Riverside Santa Rosa Mountains. Garnet Queen Mine. Comment
  UCR262253  Garrya veatchii T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3747 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  CDA5294  Gaura sinuata A. C. Sanders, T. B. Salvato 2001-5-24 24364 Riverside Perris-Aguanga Basin; Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada Comment
  RSA593765  Gazania linearis Steve Boyd 1996-4-14 8546 Riverside Santa Ana Mountains, along Main Divide Road, just east of Sierra Peak at divide between Fresno and Fremont canyons. 884 Comment
  CAS-BOT-BC303582  Geraea canescens F. A. M. 1936-3-20 14484 Riverside Morongo Valley Comment
  POM289783  Geraea canescens Lyman Benson 1933-3-31 4193 Riverside Salton Sea-Imperial Co. line. 61 Comment
  POM30736  Geraea canescens Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. Comment
  RSA719040  Geraea canescens Michael Honer 2005-3-11 2060 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  UC665889  Geraea canescens Ira L. Wiggins 1941-3-24 9570 Riverside sand dunes 0.3 mi s Myoma (4.6 mi n of Indio) Comment
  SEINET10726155  Geraea canescens Billy Joe Cox 1975-4-23 Cox 4176 Riverside Palo Verde, 1-3 km W, (ca, 32 mi S of Blythe). 70 Comment
  UCR178845  Gilia Mitch Provance, Tracy Tennant 1998-6-16 MOR- 389 Riverside San Bernardino Mtns., Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon 1220 Comment
  UCR261365  Gilia A. C. Sanders, Katie Young, John Hale 2015-4-22 41615 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  RSA719234  Gilia Michael Honer, L. Hulse 2004-4-3 1919 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
  UCD117630  Gilia achilleifolia subsp. multicaulis A. A. Beetle 1940-1 s.n. Riverside near Sage. Comment
  UCR167533  Gilia angelensis Scott D. White 2005-3-29 10833 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UCR114630  Gilia capitata G. R. Ballmer, Kay Stockwell 1995-6-25 s.n. Riverside San Jacinto Mtns, Pacific Crest Trail, near Pyramid Peak [c. 3 km (airline) SSE of Palm View Pk.--A. C. Sanders] 2134 Comment
  POM13004  Gilia capitata subsp. abrotanifolia P. A. Munz, I. M. Johnston 1922-5-19 5434 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  RSA16480  Gilia capitata subsp. abrotanifolia Percy C. Everett 1935-6-19 7227 Riverside Main Divide Motorway, Bear Spring 1219 Comment
  RSA63395  Gilia capitata subsp. abrotanifolia Verne Grant, Alva Grant 1948-5-23 8578 Riverside Near Hemet. 1067 Comment
  UCR268287  Gilia capitata subsp. abrotanifolia Jim Andre 2012-6-15 30535 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  RSA469358  Gilia diegensis Gale Sphon 1955-5-22 s.n. Riverside Montane meadow, Hemet meadow. Comment
  RSA496470  Gilia diegensis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3085 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, W of Woodchuck Rd. 488 Comment
  UC1494264  Gilia filiformis J. C. Roos 1958-3-15 Riverside 3 mi se Desert Center (Chuckwalla Mtns.); , se of Desert Center Comment
  UCR51964  Gilia filiformis Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2173 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  SD185283  Gilia ochroleuca T. B. Salvato, Kent Beaman 2005-5-16 816 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Highway 74. 548 Comment
  UCR149407  Gilia splendens Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-30 91 Riverside San Gorgonio Pass, Morongo Indian Reservation, flat grassland along Millard Canyon Road leading up to Millard Canyon 618 Comment
  UCR70863  Gilia splendens subsp. splendens I. W. Clokey, E. G. Anderson 1935-8-21 6827 Riverside San Jacinto Mtns., Keen Camp P.O. '1350 m 1463 Comment
  JEPS2614 Image available Gilia stellata L. M. Newlon 1922-4-3 433 Riverside Andreas Canyon San Jacinto Mts.; Andreas Canyon, San Jacinto Mts. Comment
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Apr 7 2011
  RSA771353  Gilia stellata Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4982 -a 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
  SD7669  Gilia tricolor Daniel Cleveland 1882-4-24 Riverside Copeland's, San Jacinto. Comment
  UCR23687  Githopsis diffusa subsp. diffusa John C. Roos 1950-4-22 4750 Riverside Hills NE of the summit of Reche Canyon 823 Comment
  POM358936  Gnaphalium californicum N. C. Cooper 1944-6-4 1367 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  UCR151974  Gnaphalium californicum Steve Boyd, Aydee Virgen 2004-4-13 10845 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon 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
  UCR91644  Gnaphalium californicum Steve Boyd, D. L. Banks 1995-4-5 8432 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; northern flank of Agua Tibia Mtn. at the E edge of Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary 610 Comment
  RSA36560  Gnaphalium canescens Sara M. Schenck 1942-04 s.n. Riverside Split Rock, Joshua Tree National Monument, Riverside Comment
  UCR87650  Gnaphalium luteoalbum 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
  RSA556455  Gnaphalium palustre Julie Greene 1993-4-30 1268 Riverside San Jacinto Wildlife Area. N of San Jacinto River drainage. 433 Comment
  UC219266  Gnaphalium palustre P. A. Munz and I. M. Johnston 1922-5-19 5371 Riverside Menifee Valley Southern California, Menifee Valley 411 Comment
  RSA585510  Gnaphalium stramineum D. L. Banks, S. D. Boyd 1995-5-9 0371 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  UCR172224  Gnaphalium stramineum John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, unincorporated area along San Diego Aqueduct Corridor, 1 km due west of Skunk Hollow, between Nicholas Rd. and Borel Rd., east of Murrieta Hot Springs 421 Comment
  SEINET10574792  Gossypium thurberi Unknownnown 1968-8-22 Johnson LA- 1479 Riverside Cultivated. grown at UCR, field 21, planted in 1965. Received from USDA, Beltsville, maryland, via T. Richmond, Texas A & M. Native to Arizona, Sonora & Chihuahua. Comment
  SEINET10728243  Gutierrezia David B. Dunn 1947-10-9 Dunn 3524 Riverside Joshua Tree National Monument at campground area by Hidden Valley. Comment
  HSC5732  Gutierrezia californica C. L. Hitchcock, C. V. Muhlick 1964-3-17 23084 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  RSA0097131  Gutierrezia sarothrae Marc A. Baker, Chris Taylor 2015-6-26 18366 Riverside The Badlands, 1.5 km SSE of the intersection of San Timoteo Road and Redlands Blvd., 27 km ENE of Riverside, 0.5 km south of San Timoteo Wash. 567 Comment
  RSA0104498  Gutierrezia sarothrae Duncan S. Bell 2015-9-30 8657 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  SBBG34497  Gutierrezia sarothrae D. Myrick 1969-10-19 2126 Riverside Palms to Pines St Hwy 74, above Palm Desert 609 Comment
  UC1213985  Gutierrezia sarothrae Otto T. Solbrig 1958-8-21 2773 Riverside on Hwy 74 11.1 mi e Keen Kamp Comment
  UCR182163  Gutierrezia sarothrae Mitch Provance 2003-4-5 6612 Riverside San Bernardino Valley, Jurupa Mountains, Glen Avon, slopes above the northern extreme of Campbell St 274 Comment
  CDA3156  Halogeton glomeratus H. Lloyd 1948-10-2 Riverside Near Corona. 0 Comment
  UC1552123  Harpagonella palmeri Steve Boyd 1986-5-1 1816 Riverside e end Lake Skinner (lower s slopes of Bachelor Mountain); lower s slopes Bachelor Mountain, Lake Skinner Comment
  UCR60270  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3133 Riverside Peninsular Range, Vail Lake area, 2 mi west of dam, at edge of escarpment east of Pauba Valley 549 Comment
  UCR102884  Hedypnois cretica A. C. Sanders 1997-3-26 20124 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR225448  Hedypnois cretica A. C. Sanders 2011-3-29 38836 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 near Crumpton Rd. 495 Comment
  RSA0071984  Helianthemum scoparium J. M. Andre 2012-6-15 30521 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. 1308 Comment
  RSA0016907  Helianthemum scoparium var. vulgare Anonymous 1907-05 s.n. Riverside Wilder's [Ranch], near Riverside Comment
  CSUSB1539  Helianthus annuus M. Peterson 1972-6-29 S. N. Riverside Riverside Comment
  UCR271327  Helianthus gracilentus A. C. Sanders, Amy Litt & UCR Pl. Taxonomy Class 2016-5-7 42470 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 old Emerson house site 488 Comment
  SD145987  Heliotropium curassavicum A. C. Sanders 1997-5-1 20614 Riverside Lake Skinner area: old house site at gated road junction into Shipley Reserve area, ca.1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 456 Comment
  SBBG63442  Heliotropium curassavicum var. oculatum M. N. Ackley 1928-3-31 61 Riverside near Mecca -60 Comment
  UCR235047  Hemizonia fasciculata A. C. Sanders, John F. Green 2012-5-27 40217 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, disturbed area between I-15 and 'Sycamore Creek' shopping center at Indian Truck Trail 361 Comment
  POM49130  Hemizonia kelloggii Mary F. Spencer 1919-6-17 1192 Riverside Near San Jacinto 304 Comment
  UCR120545  Hemizonia kelloggii D. E. Bramlet 2000-8-30 3076 Riverside Perris-Aguanga Basin region, Shipley Reserve, ephemeral drainage 213 m south of Auld Valley Creek and 915 m east of Bachelor Mtn. access road 451 Comment
  UCR60919  Hemizonia kelloggii Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3687 Riverside Peninsular Range, Vail Lake area, benches of Arroyo Seco and slopes of hills to the east 488 Comment
  UCR85583  Hemizonia kelloggii Julie A. Greene 1993-5-12 1322 Riverside San Jacinto Valley, San Jacinto Wildlife Area, SE end of visitor center road, east of Davis Road 436 Comment
  RSA713780  Hemizonia mohavensis A. C. Sanders, S. D. Boyd, J. S. Ross, Mitch Provance 1998-10-25 22276 Riverside Herkey Creek, Garner Valley along Hwy 74 near Lake Hemet Campground, north side of road. 1329 Comment
  RSA683236  Hemizonia paniculata Scott D. White 2003-12-1 9890 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  UCR20805  Hemizonia pungens subsp. laevis Steve Boyd 1980-5-14 270 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR66977  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-7-26 2062 Riverside Peninsular Range, Murrieta Creek at the Rancho California Street bridge in Temecula, W side of creek, just east of Diaz Rd & within the creek channel 330 Comment
  UCR135812  Hesperocnide tenella A. C. Sanders, Guy Bruyea 2004-4-2 27443 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  UCR137029  Hesperocnide tenella A. C. Sanders 2004-5-5 27768 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR174442  Hesperolinon micranthum A. C. Sanders 2006-5-19 32389 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA436248  Heterocodon rariflorum M. B. Dunkle 1933-7-21 3726 Riverside Idyllwild 1616 Comment
  UCR193868  Heterocodon rariflorum A. C. Sanders, Mitch Provance 2008-7-11 35805 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  UCSB41786  Heteromeles arbutifolia Sawyer, Patricia 1964-10-3 Riverside Highway 30, San Bernadino National forest. 609 Comment
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May 16 2016
  HSC83025  Heterotheca grandiflora S. Cantrell, Walter Appleby 1985-9-19 Riverside Santa Ana River Regional Park. S side of the river. 207 Comment
  UCR174536  Heterotheca grandiflora Jennifer H. Jones, Sarah Huels and Heather Schneider 2006-5-16 302 Riverside Peninsular Ranges, Box Springs Mtns. Trail along base of Mtns. N from Big Springs Road to the same latitude as Blaine Street. 384 Comment
  RSA160436B  Heterotheca sessiliflora subsp. echioides J. D. Olmsted 1959-8-18 801 Riverside May Valley Truck trail at crest W of S ridge of Tahquitz Peak, SE of Desert Sun School, Idyllwild, alt 5800ft. San Jacinto Mts, 1768 Comment
  UC1999891  Heterotheca sessiliflora subsp. echioides J. C. Semple, J. Chimielewski 1987-9-30 8983 Riverside Idyllwild, Rd. to Idyllwild School of Fine Arts and Music, 2.3 km NW of CA-243. Comment
  CAS-BOT-BC310832  Heterotheca sessiliflora subsp. fastigiata D. E. Breedlove 1961-8-5 950 Riverside Hemet Valley, San Jacinto Mountains. Along State Highway 74, 5 miles east of Keen Camp 134 Comment
  OBI52046  Heuchera hirsutissima Michael Curto, Linda Allen 1990-6-18 664 Riverside Santa Rosa Mt, NW slope, Santa rosa Mt rd 9SBNF 7S02) ca 1.5 km W of Santa Rosa Springs campground 2250 Comment
  RSA695437  Hibiscus denudatus Scott D. White, Michael Honer 2003-5-14 9291 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 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
  UCR281907  Hilaria rigida A. C. Sanders, Jim Malusa 2017-9-21 43358 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  SD136873  Hirschfeldia incana Steve Boyd, Tim Ross 1992-5-5 7214 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 730 Comment
  CAS-BOT-BC207507  Hoffmannseggia glauca Roxana S. Ferris 1918-6-19 1011 Riverside Blythe, Palo Verde Valley Comment
  SEINET2061522 Image available Hoffmannseggia glauca Norman C. Cooper 1949-4-8 3322 Riverside Blythe, low place in desert 259 Comment
  UC864216  Hoffmannseggia glauca J. Francis Macbride and Francis Drouet 1941-10-14 4470 Riverside just w Desert Center 274 Comment
  SBBG92826  Hoffmannseggia microphylla D. Charlton 1988-2-18 1134 Riverside Fargo Cyn Rd to Cottonwood Wash, parallel to Interstate 10, ca. 1 mi E of jct of Dillon Rd and Fargo Cyn Rd 609 Comment
  SD224955  Hoffmannseggia microphylla A. C. Sanders 1995-5-23 17113 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns., N of Toro Cyn., W of Monroe St., S of Ave. 62. 14 Comment
  RSA756997  Hoita macrostachya Greg Wright 1971-7-17 306 Riverside Hwy 74, San Juan Creek and Canyon, Santa Ana Mts, Alt 1650ft, Santa Ana River 503 Comment
  RSA515318  Hordeum depressum Jeri Hirshberg 1989-4-19 s.n. Riverside South of town of Murrieta, W of Mesa de Burro., (Near 33 deg 31'N, 117 deg 14'W) 610 Comment
  SEINET244670 Image available Hordeum depressum A. C. Sanders, D. Malueg 2001-5-17 24358 Riverside Perris-Aguanga Basin Region: gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, S of Scott Rd. 415 Comment
  UCR103749  Hordeum depressum D. E. Bramlet 1993-3-30 2302 Riverside Siegal Ranch Road approximately 60 m south of Cajalco Road and 976 m east of the intersection of Cajalco Road and Sierra Avenue, 2 m west of Siegal Ranch Road 427 Comment
  CSUSB451  Hordeum leporinum D. L. Heald 1966-5-16 68 Riverside Off the road behind Webber Hall at University of California, Riverside (UCR) in the city of Riverside. 304 Comment
  UCR100629  Hordeum murinum A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19894 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  RSA595258  Hordeum murinum subsp. leporinum D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0962 A Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, At the gate to the University of California-Emerson Oaks Reserve. 451 Comment
  CAS-BOT-BC148561  Horkelia clevelandii Ralph Hoffmann 1929-9-5 s.n. Riverside Tahquitz Valley, Mt. San Jacinto 2438 Comment
  CAS-BOT-BC148569  Horkelia clevelandii Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  SD232793  Horkelia clevelandii Scott D. White 1996-8-1 4431 Riverside Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area. 1700 Comment
  CAS-BOT-BC312586  Hulsea vestita subsp. callicarpha Mary F. Spencer 1919-6-19 1200 Riverside San Jacinto Mt. 1645 Comment
  SBBG65752  Hulsea vestita subsp. callicarpha R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2590 Comment
  UCR55320  Hulsea vestita subsp. callicarpha Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mtns., On Thomas Mtn Rd., south of Thomas Mtn. Lookout. Comment
  UCR41553  Hymenoclea salsola A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6107 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA66564  Hymenolobus procumbens F. W. Peirson 1922-4-30 1896 Riverside Road from Temecula River to Hemet. 518 Comment
  JOTR38530  Hyptis emoryi Harding, Mitzi, Kipp Callahan 2012-8-27 299 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; off Brooklyn Mine Road near park boundary Comment
  UC570745  Hyptis emoryi H. L. Mason 1928-3-10 4231 Riverside Coachella Mountains Hidden Springs Canyon; , Hidden Springs Canyon Comment
  UC68705  Hyptis emoryi H. M. Hall Apr. 1905 5814 Riverside 10 mi w Coachella; Colorado Desert, w of Coachella 91 Comment
  UCSB17914  Hyptis emoryi Winn, Will 1963-2-23 Riverside Ladder Canyon, 9 miles E of Mecca, Coachella Valley 213 Comment
  POM183991  Isocoma acradenia var. eremophila P. A. Munz 1932-10-16 12849 Riverside Whitewater Creek 152 Comment
  RSA22388  Isocoma acradenia var. eremophila L. S. Rose 1936-12-18 36788 Riverside Desert wash, Palm Springs. Comment
  RSA754121  Isocoma acradenia var. eremophila W. Schlegel, Andrew Troutte Jordan, Jordan Zylstra 2008-9-4 20 Riverside San Jacinto and Santa Rosa Mts.: Idyllwild: Along road. Comment
  UCR149940  Isocoma menziesii var. vernonioides Scott D. White, Brian Leatherman 2004-10-7 10772 Riverside Perris Basin, city of Perris, immediately east of the I-215 Freeway, at Watson Road 434 Comment
  UCR97240  Isocoma menziesii var. vernonioides Scott D. White 1997-2-9 4682 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  CSUSB714  Isomeris arborea var. angustata Elliott Helm 1975-5-23 Riverside Mojave Desert Mojave Desert, 16 miles north of 29 Palms, off highway 177 304 Comment
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Aug 26 2014
  RSA451604  Ivesia callida Anstruther Davidson 1930-1 s.n. Riverside Tahquitz Peak. Comment
  JOTR16834  Ivesia saxosa Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. BARKER DAM 1310 Comment
  JEPS15904  Jepsonia parryi H. M. Hall 1896-12-12 345 Riverside Winchester Comment
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Mar 20 2011
  RSA597055  Jepsonia parryi D. L. Banks, Lauren Raz 1996-11-5 1162 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; E of a newly established firebreak along a NW-SE running ridgeline, SW of the water tank in section 34. 390 Comment
  RSA0011072  Juglans californica A. C. Sanders, O. F. Clarke 1991-6-10 11128 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  HSC87024  Juncus balticus subsp. ater L. F. LaPre 1988-6-3 Riverside Indian Trails project site, Indian Truck Trail exit on W side of Hwy. 15 in Temescal Canyon, 1/4 mi. from the freeway Comment
  RSA543622  Juncus bufonius Steve Boyd 1991-5-7 6157 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  SD140239  Juncus bufonius A. C. Sanders 1993-4-1 13672 Riverside Western edge of Hemet, 14 acre parcel at northeast corner of Intersection of Meyers Street and Devonshire Avenue, 3/4 mile northeast of the intersection of Florida avenue (Highway 74) and Warren Road, just south of Tres Cerritos. 459 Comment
  UCR172217  Juncus bufonius John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  UCR193885  Juncus bufonius A. C. Sanders, Mitch Provance 2008-7-11 35802 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  UCR20964  Juncus bufonius A. C. Sanders, S. D. Boyd 1980-5-19 1476 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  CAS-BOT-BC110089  Juncus cooperi A. C. Sanders; P. MacKay; G. Helmkamp; J. Stewart; C. L. Sanders 1994-12-4 15887 Riverside Colorado Desert, Salton Sink. Dos Palmas Spring and immediated vicinity. -30 Comment
  UC146450  Juncus duranii Charlotte M. Wilder 1909-7-12 924 Riverside head of Round Valley San Jacinto Mts. Comment
  UC1931233  Juncus effusus Scott D. White, Justin Wood 2008-7-10 12451 Riverside San Jacinto Mountains: Fobes Spring (Palm View Peak) Comment
  UC489047  Juncus effusus subsp. austrocalifornicus C. V. Meyer 1928-7-30 582 Riverside Saunders Meadow San Jacinto Mts. 1676 Comment
  RSA368089  Juncus oxymeris M. B. Dunkle 1933-7-19 3668 Riverside Strawberry Valley. San Jacinto Mountains. 1707 Comment
  UCR193860  Juncus patens A. C. Sanders 2008-7-25 35884 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  POM10227  Juncus rugulosus F. M. Reed 1907-7-4 1449 Riverside North side of Box Spring Mountain. Pigeon Pass Road. Comment
  POM14181  Juncus rugulosus E. C. Jaeger 1921-7-15 s.n. Riverside Massacre Canyon, [along Potrero Creek] Comment
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Nov 5 2011
  RSA70054  Juncus rugulosus F. W. Peirson 1924-7-28 5010 Riverside Pine Flats Camp 1799 Comment
  UCR201445  Juncus rugulosus Scott D. White, Justin M. Wood 2008-7-10 12452 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  UCR23213  Juncus rugulosus S. Gallagher 1981-6-1 32 Riverside Box Springs Mtns., Box Springs Road 1.8 mi south of intersection w/ Pigeon Pass Road. Site on the SE corner of intersection of Box Springs Road & a dirt side road leading to W slope of the mtns. 747 Comment
  UCR272500  Juncus xiphioides Mitch Provance 2012-7-25 712- 02 Riverside San Gorgonio Pass, Banning, Smith Creek, NE of West Ramsey St. and Highland Home Rd. 1410 Comment
  RSA352499  Juniperus californica N. C. Cooper 1944-5-20 1306 Riverside Pine Flats, Palms to Pines Hwy. 1220 Comment
  RSA770301  Juniperus californica Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4586 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CAS-BOT-BC234594  Justicia californica Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9557 Riverside 1 mile below Cottonwood Springs Comment
  LA202791  Justicia californica A. M. Johnson; 1933-4-28 4235 Riverside Pines to Palm highway below Palm Springs Comment
  SEINET10437453 Image available Justicia californica Richard Walker 1967-4-30 59 Riverside Palm Desert on south side of Carriage Road ca 2 miles east of state highway 74 (Pines to Palms Highway) Comment
  RSA813291  Kallstroemia californica Kristin Forgrave, April Garbat, Deidre Conocchioli 2013-8-13 37 Riverside Sonoran Basin and Range. Chuckwalla Valley: From Blythe, Ca, head west on 1-10 for 23 miles. Exit at Ford Dry Lake, turn left to cross back over the interstate and turn right on Chuckwalla Valley Rd., Site is 1.5 miles down on south side of road, near intersection of Graham Pass Rd (unpaved). Comment
  OBI74462  Keckiella antirrhinoides David J. Keil 1983-4-15 16899 Riverside East of Temecula SR 79 Comment
  RSA79828  Keckiella antirrhinoides F. W. Peirson 1914-04 1105 Riverside Whitewater at head of Coachella Valley. Comment
  SEINET13768160  Keckiella antirrhinoides A. C. Sanders, G. Helmkamp 1997-3-15 19952 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  UC1063327  Keckiella antirrhinoides R. St. John 1930-4-5 111 Riverside Roche Canyon; San Bernardino Quad. 426 Comment
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Jul 5 2010
  UC1537425  Keckiella antirrhinoides Gordon H. True Jr. 1935-3-13 97 Riverside Mockingbird Canyon 457 Comment
  UCR233579  Keckiella antirrhinoides A. C. Sanders, John F. Green 2012-4-12 40039 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 370 m NW of El Hermano Rd. 312 Comment
  SBBG50962  Keckiella antirrhinoides subsp. microphylla R. S. Woglum 1941-5-17 3038 Riverside Coyote Cyn Comment
  UCR16019  Keckiella antirrhinoides var. antirrhinoides John Milbauer 1976-5-1 s.n. Riverside San Jacinto Mtns, 3 mi SE of Banning near Hwy 243 Comment
  LA209266  Keckiella cordifolia W. E. Pequegnat; 1937-8-11 Riverside Santa Ana Mountains, above Bear Spring on Santiago Peak Comment
  UCR151062  Kickxia elatine Scott D. White 1998-6-17 6753 B Riverside Peninsular Ranges; Gavilan Hills, along Gavilan Rd. or Santa Rosa Mine Rd.; c. 7 mi survey route from Gavilan/ Cajalco Rd. junction. south and east to Santa Rosa Mine/ Post Rd. junction 671 Comment
  CDA3136  Kochia scoparia Scott D. White 1998-7-4 6846 Riverside Corona: River Road bridge over the Santa Ana River. Comment
  CAS-BOT-BC61438  Krameria bicolor F. Almeda 1976-6-5 2824 Riverside 4-5 mi. N of Interstate Hwy. #10 off of Whitewater Canyon Road Comment
  JOTR31810  Krameria erecta La Doux, Tasha, Bill Truesdell 2007-11-9 2518 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; Mouth of canyon parallel to and east of Lost Palms Canyon (Stop 4) 649 Comment
  SEINET270933  Krameria erecta Richard J. Shaw 1958-5-10 1111 Riverside 3 miles above Palm Desert. Palms to Pine Highway 610 Comment
  CAS-BOT-BC183274  Krameria grayi James R. Shevock 1986-3-23 11356 Riverside Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  CLARK-A1528-69  Lamarckia aurea C. M. Flanagan 1973-4-14 OO 108 Riverside Sunnymead 579 Comment
  HSC10265  Lamarckia aurea E. G. Kynoch, Jr. 1966-4-12 267 Riverside Near Corona. 259 Comment
  UCR146426  Langloisia schottii R. F. Thorne, M. Z. Thorne 1973-3-30 42679 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  RSA469608  Langloisia setosissima subsp. setosissima Robert Gustafson 1983-3-27 2482 Riverside Near mouth of fairly steep-walled canyon southwest of Lake Cahuilla Comment
  OBI8368  Langloisia setosissima subsp. setosissima David J. Keil, Malcolm Mcleod, Dirk Walters 1977-3-27 2061 Riverside Along Box Cyn Rd, ca. 20 mi ENE of Mecca in Orocopia Mts 274 Comment
  RSA480026  Larrea tridentata Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2149 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA662137  Larrea tridentata Carol Zuck 1981-2-15 14 Riverside Junction of Country Club Dr. and Palm Desert Green Dr. Palm Desert. Comment
  RSA796459  Larrea tridentata Duncan S. Bell 2009-4-18 217 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
  SEINET7907983  Larrea tridentata D. A. Johnson 2005-1 Riverside Between Coachella & S entrance to Joshua Tree Nat'l Park, S of Interstate 10 914 Comment
  CAS-BOT-BC352914  Lasthenia coronaria Ira L. Wiggins 1941-3-27 9695 Riverside Slopes 4 miles N of Whitewater Comment
  POM6190  Lasthenia coronaria H. M. Hall 1903-3-28 s.n. Riverside Vicinity of Riverside. 427 Comment
  CAS-BOT-BC328106  Lasthenia glabrata subsp. coulteri D. Bramlet 1992-4-9 2221 Riverside 2.6 km W of Lakeview and 15 m to 100 m E of the San Jacinto River and just W of an existing dirt access road. The site is approx. 440 m S of the MWD easement road. 433 Comment
  POM13870  Lasthenia gracilis P. A. Munz 1922-4-29 5090 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  UC893752  Lasthenia gracilis Lewis S. Rose 1937-4-9 37087 Riverside Banning 706 Comment
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Mar 13 2011
  RSA406616  Lathyrus vestitus subsp. alefeldii Anstruther Davidson 1897-03 408 Riverside Winchester Comment
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Mar 20 2011
  UCR102867  Lathyrus vestitus var. vestitus A. C. Sanders 1997-3-19 20065 Riverside Lake Skinner area, hills in Crown Valley, north of Black Mountain and east of upper Rawson Canyon 671 Comment
  UCR87663  Layia glandulosa A. C. Sanders 1994-5-29 14573 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  CAS-BOT-BC379628  Layia platyglossa L. R. Abrams 1935-4-7 13669 Riverside Gavilan Hills, 2 mi. SW of Perris Comment
  HSC85267  Layia platyglossa Steve Boyd 1986-4-22 1764 Riverside W side of Indian Wash, S of I-15 Comment
  RSA585518  Layia platyglossa D. L. Banks, S. D. Boyd 1995-5-9 0380 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  RSA613326  Layia platyglossa D. L. Banks 1997-3-6 1390 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  UCR111766  Layia platyglossa Mitch Provance 1998-3-10 202 Riverside Lake Mathews, Meadow near the corner of La Sierra Ave. and Cajalco Rd., on the SW side of the lake, south of the dam. 412 Comment
  UCR19012  Leersia oryzoides John C. Roos, L. Roos 1951-10-24 5345 Riverside Riverside, shallow stream at outlet of Fairmount Park Lake 238 Comment
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Feb 23 2014
  RSA90128  Lemna minor E. K. Balls, Percy C. Everett 1953-8-19 18537 Riverside Head of Palm Canyon, where stream crosses Hwy 74 on Palms to Pines Hwy. 1372 Comment
  SD137980  Lemna minuta Darin L. Banks, Steve Boyd 1995-10-17 811 Riverside Northwest Palomar Mts,Agua Tibia Mts, Cleveland National Forest, Agua Tibia Wilderness Area, along lower Arroyo Seco, south of Dripping Springs Campground, along narrow benches where Arroyo Seco turns to the east, just west of the metasedimentary hills. 523 Comment
  RSA563913  Lepidium dictyotum var. acutidens A. C. Sanders 1993-4-5 13683 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74). 460 Comment
  RSA479908  Lepidium didymum Steve Boyd 1987-5-9 2085 Riverside City of Riverside, J.V. Boyd residence, 2307 Oak Crest. Comment
  POM126304  Lepidium lasiocarpum T. Craig 1927-4-2 59 Riverside Hidden Springs Canyon. Comment
  RSA66148  Lepidium lasiocarpum F. W. Peirson 1919-4-13 5328 Riverside Tahquitz Creek near Palm Springs. Comment
  POM134  Lepidium lasiocarpum var. lasiocarpum Robinson, Crocker 1916-4-3 s.n. Riverside Elsinore region. Comment
  RSA67347  Lepidium nitidum F. W. Peirson 1918-03 2327 Riverside Whitewater Grade, NW corner of Colorado Desert. Comment
  UCR14224  Lepidium nitidum June Latting 1979-3-26 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 Comment
  UCR21935  Lepidium nitidum Steve Boyd 1980-5-5 201 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR264639  Lepidium strictum Mitch Provance 2013-4-8 413- 06 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  UCR121174  Lepidium virginicum var. robinsonii D. E. Bramlet 1990-4-27 1981 Riverside Peninsular Range, Ridgeline 2100-2500 ft. (c. 0.4 mi.) NE of knoll '2502,' and 1200-1500 ft. (~ 0.21 mi.) west of Rawson Canyon 671 Comment
  RSA741017  Lepidium virginicum var. virginicum Scott D. White, Justin M. Wood 2008-6-18 12234 Riverside Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  UC828994  Lepidospartum squamatum Lewis S. Rose 1938-12-20 38332 Riverside 3 mi se of Palm Springs Station; Whitewater wash 274 Comment
  CLARK-A1528-721  Leptodactylon californicum Larry Cohen 1969-5-10 Riverside 655 Comment
  UCR215073  Leptodactylon californicum Justin M. Wood 2009-3-10 351 Riverside San Jacinto Mountains, Hwy 243, near base of the mountains, 0.5 mi up the hwy from Smith Creek Bridge 774 Comment
  RSA73679  Leptosiphon floribundus F. W. Peirson 1922-4-28 946 Riverside Leach Canyon Near Lake Elsinore. 549 Comment
  UCR102728  Lessingia filaginifolia B. G. Pitzer 1998-1-25 3416 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  UCR89230  Lessingia filaginifolia var. filaginifolia Scott D. White 1995-9-22 3678 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  POM122893  Lessingia glandulifera var. glandulifera Marcus E. Jones 1924-8-30 s.n. Riverside San Jacinto Mountains; Tahquitz trail. Comment
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Sep 16 2011
  UC1287416  Lessingia glandulifera var. glandulifera Willard Spence 1962-6-24 682 Riverside 7.8 mi e of Temecula and route 395; Radec Comment
  UCR140895  Lessingia glandulifera var. glandulifera Virginia Moran 2003-9-1 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  RSA593780  Lewisia rediviva Jeri Hirshberg 1995-5-19 275 Riverside San Jacinto Mountains, Garner Valley. Comment
  RSA595320  Leymus condensatus D. L. Banks, Victor Steinmann 1996-4-20 883 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along the road to the Dorland Mountain Arts Colony;, approximately 100 m S from its junction with Hwy. 79. Area just north of Sec.19. 484 Comment
  UC576340  Leymus condensatus H. S. Yates 1937-6-27 6712 Riverside Lower San Jacinto Canyon San Jacinto Quadrangle Comment
  RSA179523  Leymus triticoides E. W. Lathrop 1960-6-6 4847 Riverside 14 miles W. of Murrieta. Comment
  CAS-BOT-BC451637  Lilaea scilloides Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37422 Riverside Santa Rosa Plateau: Rancho California 609 Comment
  RSA3576137  Lilaea scilloides Robert F. Thorne 1973-5-23 43874 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  RSA515325  Lilaea scilloides Jeri Hirshberg 1989-4-4 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, SW of Mesa de Burro, and NW of Mesa de la Punta. 610 Comment
  UCR21922  Linanthus androsaceus Steve Boyd 1980-4-8 105 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA468574  Linanthus androsaceus subsp. luteolus N. C. Cooper 1945-5-24 1631 Riverside Big Oaks Canyon, Banning. 1219 Comment
  RSA705181  Linanthus bigelovii J. Mark Porter, Sarah J. De Groot 2005-3-9 14258 Riverside Along Whitewater Canyon Road, ca. 3 mi N of the intersection with the frontage road of I 10, W of the road on a steep, rocky slope, W of the river. 575 Comment
  UCR18152  Linanthus bigelovii A. C. Sanders 1978-3-19 525 Riverside Santa Rosa Mtns/Colorado Desert, Deep Canyon Reserve, along the Worley Trail just above the Research Center 427 Comment
  POM9011  Linanthus californicus P. A. Munz, R. D. Harwood 1920-3-20 3394 Riverside Glenn Ivy 335 Comment
  SBBG93118  Linanthus dianthiflorus R. Montijo 1990-4-27 Riverside Rancho California Area, E of Santa Rosa Plateau, Green Meadow Rd off de Portoloa Rd 609 Comment
  UCR213673  Linanthus dianthiflorus Michael Honer 2003-4-11 1818 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
  POM364581  Linanthus dianthiflorus subsp. dianthiflorus Albert J. Perkins 1895-05 s.n. Riverside Near Riverside Comment
  POM364589  Linanthus dianthiflorus subsp. dianthiflorus Ora M. Clark 1929-4-7 2039 Riverside S. Hemet. Comment
  RSA522762  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, L. Arnseth, T. S. Ross 1990-3-29 3869 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
  RSA560843  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, T. S. Ross 1992-5-4 7179 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA0118059  Linanthus jonesii Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7616 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  UCR241159  Linanthus pygmaeus A. C. Sanders, Timothy W. Chumley 2013-4-2 40748 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  SD229204  Linum lewisii Dick Schwenkmeyer 2012-8-7 791 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  UCR281265  Linum usitatissimum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-18 417- 43 Riverside Perris-Aguanga Basin, Menifee, S side of Bundy Canyon Rd., E side of Loerch Ln., 0.2 miles W of Murrieta Rd. 518 Comment
  RSA0010979  Lithophragma affine Scott D. White, Angelia Carey 2004-4-5 9990 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA0010987  Lithophragma affine A. C. Sanders 1998-3-11 21681 Riverside North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  RSA0018462  Lithophragma affine A. C. Sanders 1997-4-3 20158 Riverside near north foot of Black Mountain, slopes south of Crown Valley 655 Comment
  UCR139160  Loeflingia squarrosa S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1128 Comment
  UCR243125  Loeflingia squarrosa Kate Kramer 2012-5-8 255 Riverside Peninsular Range; San Jacinto Mountains, c. 0.25 km east of National Forest Land boundary on north side of Hwy 74 near the Cranston Fire Station 575 Comment
  POM364836  Loeseliastrum matthewsii C. Cunningham 1952-5-24 s.n. Riverside Key's Veiw, Joshua Tree Natl. Monument. 1524 Comment
  RSA775623  Loeseliastrum matthewsii Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 1003 Riverside Road circling Sheep Hole Valley Wilderness, NS569 at junction with Hwy 62 on east side of NS569 along washlets. 396 Comment
  JOTR31969  Loeseliastrum schottii La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2206 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; rocky/gravelly bajada north of the Aqueduct Rd. 603 Comment
  RSA468348  Loeseliastrum schottii M. B. Dunkle 1937-3-25 4940 Riverside Southeast of Indio. Comment
  UC1595559  Logfia arizonica Steve Boyd and Orlando Mistretta 1991-5-22 6313 Riverside e of Dorland Mtn. (w of Kolb Crk., base of Agua Tibia Mtn.); Vail Lake area, Agua Tibia Mtn. 548 Comment
  UCR90754  Logfia filaginoides Scott D. White 1995-4-5 2738 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  SD137889  Logfia gallica Darin L. Banks, Steve Boyd 1995-5-9 334 Riverside Northwest Palomar Mountains, north of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 730 Comment
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Apr 15 2009
  UCR22185  Lolium temulentum E. W. Lathrop 1964-6-7 4877 Riverside Redonda Mesa, 14 mi west of Murrieta Comment
  RSA612937  Lomatium dasycarpum D. L. Banks 1997-3-29 1640 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. 463 Comment
  RSA720437  Lomatium dissectum var. multifidum Naomi Fraga, Bryan Carey 2006-6-1 1687 Riverside Near Morris creek on a 4W drive trail, ca. 1/2 mile SW of Tripp Meadow. 1585 Comment
  SD144086  Lomatium lucidum A. C. Sanders, T. Thomas, O. Clarke 1997-5-4 20638 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
  SEINET4310261 Image available Lomatium lucidum J. C. Roos 1965-1 Riverside Sky Line Drive, S. of Corona, Santa Ana Mts. Comment
  POM17511  Lonicera subspicata var. denudata P. A. Munz 1923-6-18 7128 Riverside Temecula Canyon. Comment
  CAS-BOT-BC198548  Lotus W. P. Vestal; A. G. Vestal 1947-3-30 s.n. Riverside About 2 miles up San Jacinto Canyon. 518 Comment
  RSA792746  Lotus argophyllus Robert F. Thorne 1995-3-29 63032 Riverside White Water Canyon. 600 Comment
  UCR109483  Lotus argophyllus A. C. Sanders 1994-5-29 14569 Riverside San Bernardino Mtns, Millard Canyon, at stream crossing just below site of Millard Station on Forest Service Road 2S05 1100 Comment
  RSA113275  Lotus argophyllus var. argophyllus E. K. Balls 1955-4-1 20413 Riverside Hwy 74, 3 miles NE of Pinyon Flats. Alt 915 Comment
  UC1506120  Lotus argyraeus R. T. Clausen 1963-4-23 63063 Riverside ridge s Red Mt.; Transverse Ranges Comment
  RSA735901  Lotus corniculatus Scott D. White, Justin M. Wood 2008-6-24 12290 Riverside Beaumont Badlands: San Timoteo Canyon. Meadow along San Timoteo Creek. 640 Comment
  RSA748359  Lotus crassifolius var. crassifolius Sarah J. De Groot, Naomi Fraga 2004-7-8 4389 Riverside San Jacinto Mountains: East of Idyllwild along Chimney Flats Road 5S06, off end of Tollgate Road. Between intersection of 5S06 and 5S24 and intersection of 5S06 with 5S04. 1524 Comment
  RSA282923  Lotus grandiflorus var. grandiflorus C. W. Tilforth, B. Busenberg 1980-6-17 1996 Riverside Along Hiway 74, west of Mountain Center Comment
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Jun 10 2012
  UC1929706  Lotus hamatus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10499 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  POM2646  Lotus heermannii P. A. Munz 1918-4-7 2124 Riverside Temescal Canyon Comment
  SEINET3694584 Image available Lotus humistratus Annie M. Alexander, Louise Kellogg 1941-5-15 2185 Riverside Eagle Mountains 914 Comment
  RSA679985  Lotus nevadensis var. nevadensis LeRoy Gross, Firoozeh Navidara, Valerie Soza 2003-6-23 1117 Riverside Black Moutain Road (4501), southeast of Black Mountain and northwest of Fuller Mill Creek. 2012 Comment
  RSA249854  Lotus oblongifolius R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38126 Riverside San Bernardino National Forest, San Jacinto Mts.: In James Reserve 1677 Comment
  UCR208343  Lotus purshianus O. F. Clarke 2004-5-9 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, along vernal pool trail 625 Comment
  SEINET3563106 Image available Lotus rigidus Leila M. Shultz, John S. Shultz 1985-4-18 8331 Riverside Chuckawalla Mountains, 1 mile west of Astec Well, 11.7 miles south of I-15 616 Comment
  UC111311  Lotus rigidus S. B. Parish 1907-4-22 6147 Riverside w edge Colorado Desert; , Palm Canyon 200 Comment
  UCR72201  Lotus salsuginosus Theo Glenn 1992-3-31 92 11 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  UCR125296  Lotus scoparius A. C. Sanders 2002-11-21 25625 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy,' mouth of Bixby Canyon 457 Comment
  UCR260845  Lotus scoparius subsp. brevialatus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41508 Riverside San Gorgonio Pass, c. 1.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope between the water bottling plant and I-10 and west along dirt track, near Elm St. 498 Comment
  RSA406905  Lotus scoparius var. brevialatus Christopher Davidson 1973-4-1 1787 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  POM9364  Lotus scoparius var. brevialatus Mary F. Spencer 1920-4-2 262 Riverside Palm Springs, Colorado Desert. 122 Comment
  UCR270748  Lotus scoparius var. scoparius T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8365 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  RSA660943  Lotus strigosus A. C. Sanders 1998-3-17 21743 Riverside Shipley/Skinner Reserve area; North Domenigoni Hills, S of Hemet 343 Comment
  UC15698  Lotus strigosus H. M. Hall May 17 1901-Jun 1 1901 1809 Riverside s side San Jacinto Mt. 1615 Comment
  UCR102952  Lotus strigosus George K. Helmkamp 1998-4-4 3153 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR62142  Lotus strigosus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2303 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA608477  Ludwigia peploides subsp. peploides Louis C. Wheeler 1961-6-24 7906 Riverside San Jacinto Mountains: Fulmor Lake. Comment
  RSA33840  Lupinus albifrons N. C. Cooper 1944-4-22 1124 Riverside Banning. 762 Comment
  SEINET5327615  Lupinus albifrons E. A. Zumbro 1903-1 396 Riverside Blue Mt., W. Riverside. Comment
  JOTR16691  Lupinus arizonicus Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. Comment
  RSA0118062  Lupinus arizonicus Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7619 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  UCR18666  Lupinus arizonicus Colin Wainwright 1977-3-28 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Spring area, Little Chuckwalla Mtns 610 Comment
  CLARK-A1528-2818  Lupinus bicolor John C. Roos 1966-3-22 Riverside Edgemont Comment
  RSA715328  Lupinus bicolor John Green 2006-4-27 s.n. Riverside Peninsular ranges, Foothills of Santa Ana Mtns./Santa Rosa Plateau: Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte. 351 Comment
  UC1183611  Lupinus bicolor Dave Dunn 1941-3-30 989 Riverside 3 mi e Banning; e of Banning Comment
  UC1595796  Lupinus bicolor W. Wisura, A. King, and L. Newcomb 1992-4-10 4672 Riverside Stubbe Canyon n West Palm Springs (Gorgonio Pass); , Stubbe Canyon Comment
  UCSB37850  Lupinus bicolor Sanders, A. 1980-7-18 Riverside Garner Valley; near the junction of the Thomas Mtn. Rd. with Hwy. 74; about 1 mile SE. of the head of Hemet Lake; T 6S, R 3E, SW1/4 of SW1/4 sec. 10 1341 Comment
  POM350060  Lupinus bicolor subsp. microphyllus E. Crow 1929-2-24 176 Riverside Near Cabazon, NW Colorado Desert Comment
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Mar 13 2011
  RSA594125  Lupinus bicolor subsp. microphyllus D. L. Banks, Victor W. Steinmann 1996-4-20 0894 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 536 Comment
  RSA652738  Lupinus bicolor subsp. microphyllus David B. Dunn, H. Lint 1955-4-1 11844 Riverside About two miles east of Cabazon, along the railroad right of way. 487 Comment
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May 24 2012
  UCR1039  Lupinus bicolor subsp. microphyllus J. E. Dimitman 1957-5-18 s.n. Riverside San Jacinto Mountains, Anza Cutoff on Pines to Palms Highway. 1500 Comment
  RSA783241  Lupinus concinnus J. D. Olmsted 1962-6-3 3484 Riverside S slope along road on north side of Hemet Lake 1280 Comment
  SD128672  Lupinus concinnus Darley F. Howe 1980-4-15 Riverside 1 mile west of Mesa Verde, south slope of McCoy Mountains, Highway 10. (IPB 10/07) Comment
  RSA413542  Lupinus densiflorus var. lacteus E. Crow 1929-4-21 8323 Riverside Near Lake Elsinore Comment
  UC15781  Lupinus excubitus H. M. Hall Riverside San Jacinto Mountains Comment
  UCSB26812  Lupinus excubitus Wilken, Dieter 1969-6-30 Riverside Santa Rosa Springs; Santa Rosa Mtns. 2377 Comment
  CAS-BOT-BC205388  Lupinus excubitus var. austromontanus T. B. Salvato; John F. Green 2004-5-27 650 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
  SD229154  Lupinus excubitus var. austromontanus Dick Schwenkmeyer 2012-8-28 826 Riverside Fuller's Mill camp, 2.6 mi. east of intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  UCR106012  Lupinus excubitus var. hallii D. L. Banks 1997-5-5 1962 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
  SEINET10543984  Lupinus formosus David B. Dunn, Douglas G. LeDoux; Patricia L. Kenney 1973-6-15 Dunn 20760 Riverside Coll along the sandy roadside. Sparse yellow pines. 4 Mi nw of jct of hwy 74 and 71 on 74. 1402 Comment
  RSA586132  Lupinus hirsutissimus D. L. Banks 1995-4-11 0175 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the Dripping Springs Trail. 950 Comment
  UCR41701  Lupinus hirsutissimus George K. Helmkamp 1986-4-7 755 Riverside Sonoran (Colorado) Desert, S of Morongo Valley. First canyon east of and parallel to Hwy 62 north of Indian Ave. 579 Comment
  UC729904  Lupinus latifolius var. parishii Carl B. Wolf 1932-8-5 3951 Riverside 1st real wet meadow on trail from Tahquitz Valley to San Jacinto Peak (San Jacinto Mts.); San Jacinto Mts. 2743 Comment
  RSA413767  Lupinus longifolius M. V. Hood 1945-3-25 s.n. Riverside Aguanga. 610 Comment
  UC472705  Lupinus shockleyi Mary F. Spencer 1921-4-2 1650 Riverside Palm Springs; Colorado Desert, Palm Springs 121 Comment
  UCR132485  Lupinus shockleyi Chris E. True 2004-3-4 s.n. Riverside Coachella Valley, Windy Point, south side of point 311 Comment
  RSA770857  Lupinus sparsiflorus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4931 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  SBBG35116  Lupinus sparsiflorus T. L. Secrest 1948-4-10 Riverside near Hemet Comment
  SD234128  Lupinus sparsiflorus Virginia Pinkus Ryder 1964-3-26 118 Riverside Palm Springs, 1 mile on Palm Canyon Road. 248 Comment
  SD6074  Lupinus sparsiflorus unknown Riverside Palm Springs Comment
  UCR86885  Lupinus sparsiflorus A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16290 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
  SEINET10488969  Lupinus sparsiflorus Shervncik 1973-3-18 SHERVNCIK 783 Riverside Santa Ana mtns. Mockingbird canyon lake. Loam. Grassland. Mockingbird Canyon road, about 5 mi n of lake Matthews. Comment
  POM24304  Lupinus sparsiflorus subsp. sparsiflorus Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA525690  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4561 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  CDA27590  Lupinus succulentus McLane Riverside Highway between Riverside & Beaumont. 0 Comment
  CLARK-A1045-873  Lupinus truncatus George K. Helmkamp 1977-3-5 Riverside Santa Ana Mountains along Riverside-San Diego County Line at start of Interstate Highway 215; ; southern oak woodland; Temecula 7.5'Q Comment
  RSA414401  Lupinus truncatus M. V. Hood 1945-3-25 s.n. Riverside Colorado Desert, Highway 71 near Aguanga 588 Comment
  CAS-BOT-BC231415  Lycium andersonii W. L. Jepson 1912-10-28 5240 Riverside Riverside Mts., Colorado River 121 Comment
  CAS-BOT-BC231423  Lycium andersonii Adele O. Merritt 1925-11-1 s.n. Riverside Palm Springs Comment
  SEINET3825223 Image available Lycium andersonii Philip A. Munz 1940-3-22 15653 Riverside Whitewater Canyon, 2 miles north of Boulevard from Banning to Indio Comment
  UC809726  Lycium andersonii Philip A. Munz 1949-4-13 13051 Riverside above Cottonwood Springs (w end of Eagle Mts.); Colorado Desert, Eagle Mts. 1097 Comment
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Oct 9 2010
  UCR100785  Lycium andersonii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2693 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  RSA191413  Lythrum hyssopifolia E. W. Lathrop, Robert F. Thorne 1967-9-26 6615 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  POM362091  Machaeranthera tephrodes E. C. Jaeger 1922-4-9 719 Riverside Blythe along road toward Ripley. Comment
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Jun 8 2012
  UCR193911  Madia gracilis A. C. Sanders, Mitch Provance 2008-7-11 35809 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  POM12746  Maianthemum stellatum Philip A. Munz 1922-7-6 6006 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  HSC5997  Malacothrix californica C. L. Hitchcock, C. V. Muhlick 1964-3-22 23264 Riverside W end of Pinto Basin, Joshua Tree National Monument. Comment
  UCR90378  Malacothrix clevelandii D. L. Banks, P. Morrell 1995-5-4 0310 Riverside Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove Area, north of the Wildhorse Trail, on hills north of Wildhorse Peak. 732 Comment
  UCR72183  Malacothrix coulteri Theo Glenn 1992-3-31 92 10 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  POM37224  Malacothrix glabrata Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA537693  Malacothrix glabrata Charles B. Fiker 1946-4-16 3415 Riverside West side of Colorado Desert Comment
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Mar 23 2014
  UCR133658  Malacothrix glabrata Chet McGaugh 2004-2-25 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, northern Palm Springs, near the Whitewater River channel, NW corner of Sunrise Way and San Rafael 171 Comment
  UCR167223  Malacothrix glabrata S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  UCR279505  Malacothrix glabrata A. C. Sanders, Jim Malusa 2017-3-27 43107 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
  UCSB16936  Malacothrix glabrata Winn, Will 1963-4-8 Riverside 35.3 miles west of Desert Center on U.S. Highway 60-70 243 Comment
  SD193212  Malosma laurina A. C. Sanders, Kelly Volansky 2005-8-31 31593 Riverside Santa Ana Mountains 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 Road., ca. 0.5 mile north of Tenaja Rd. 671 Comment
  SD232712  Malva parviflora Scott White 1994-6-23 2097 Riverside San Gertrudis Creek, ca. 1 mi E of Skunk Hollow. Batchelor Mountain Quad; 395 Comment
  UCR166541  Malva parviflora Scott D. White, Jennifer H. Jones 2005-4-12 10873 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  POM10230  Malvella leprosa Unspecified 1904-5-7 36 Riverside west Riverside [Rubidoux] Comment
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Sep 5 2011
  RSA591812  Marah macrocarpa J. C. Roos 1966-4-23 s.n. Riverside Santa Ana Mtns. S of Corona Comment
  SD224933  Marah macrocarpa Scott D. White 1996-3-16 3830 Riverside Lakeview Mts, N of Winchester, at Maze Stone Picnic Area. Se- facing slope. USGS 7.5' Winchester topo. 609 Comment
  SEINET7907881  Marah macrocarpa D. A. Johnson 2005-1 Riverside 1 mi E of CA 74, River Rd between Perris & Lake Elsinore 488 Comment
  CAS-BOT-BC216181  Marina parryi C. L. Hitchcock 1966-3-21 s.n. Riverside Mule Mts., 20 mi. s.w. of Blythe, in wash Comment
  CAS-BOT-BC218948  Marina parryi Lester Rowntree 1937-5-26 s.n. Riverside Box Canyon near Mecca Comment
  JOTR37436  Marina parryi Hodges, Stephen R., T. Hender 2015-12-30 558 Riverside Joshua Tree National Park. Pinto Basin, Black Eagle Mine Road (Stop 1) Comment
  RSA518275  Marina parryi A. C. Sanders 1989-9-19 9505 Riverside Chocolate Mtns Aerial Gunnery Range, 1.75 km S of Tabaseca Tank, along the wash above ''Tabaseca Target. 680 Comment
  SBBG87724  Marina parryi S. Boyd, S. Meury, R. Noyes, L. Arnjseth, D. Nordin, T. Ross 1988-3-10 2131 Riverside 2 mi W of Palen Pass; N end of Palen Mtns 300 Comment
  UCR103587  Marina parryi George K. Helmkamp, E. A. Helmkamp 1998-2-18 2728 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  SEINET2065649 Image available Marrubium vulgare Ed LaRue 1989-4-7 Riverside Woodcrest area, 1/2 mile NE of the intersection of Van Buren Blvd and Mockingbird Canyn Road. 365 Comment
  POM157888  Marsilea vestita P. A. Munz 1927-5-20 10800 Riverside Murrieta Hot Springs Comment
  RSA357150  Marsilea vestita R. F. Thorne 1973-5-23 43846 Riverside Santa Rosa Plateau: Desiccated margin of large vernal pool N side of Mesa de Colorado 609 Comment
  RSA85840  Marsilea vestita F. W. Peirson 1922-4-29 2937 Riverside mud flat south of Lake Elsinore Comment
  RSA747965  Matricaria occidentalis Justin M. Wood 2009-5-15 712 Riverside Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  SD146223  Melia azedarach A. C. Sanders 1997-5-1 20616 Riverside Lake Skinner area: Old house site at gated road junction in to Shipley Reserve area, ca. 1.0 km northeast of Lake Skinner in mouth of Rawson Creek Canyon. 456 Comment
  CAS-BOT-BC271198  Melica A. C. Sanders; T. B. Salvato; Matthew Malle 2010-4-7 37800 Riverside Southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of interesection of I-15 and Lake St., Peninsular Range 525 Comment
  RSA782810  Melica frutescens A. C. Sanders, Nathan Moorhatch 2011-3-22 38765 Riverside Powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 473 Comment
  UCR214012  Melica frutescens A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37796 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  UCR22041  Melica frutescens Steve Boyd 1980-5-11 225 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-BC281604  Melica imperfecta Frank W. Gould 1943-4-17 2132 Riverside 4 miles E of Elsinore Comment
  RSA291551  Melica imperfecta C. W. Tilforth, B. Busenberg 1980-6-17 2010 Riverside Along Thomas Mtn. Road, south of Lake Hemet, west of Highway 74. 1659 Comment
  UCR132344  Melica imperfecta John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  RSA500148  Melilotus albus Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3651 E Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  UCR107747  Melilotus indicus D. L. Banks 1997-5-5 1992 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
  UCR251994  Mentzelia A. C. Sanders, T. B. Salvato 2014-7-2 41158 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA282502  Mentzelia albicaulis J. Zavortink 1966-3-18 2663 Riverside Along route 60, 5.7 miles W of Desert Center. Riverside County Comment
  JOTR01114  Mentzelia albicaulis Cole, James E. 1941-4-15 600 Riverside Joshua Tree National Park. PLEASANT VALLEY 1005 Comment
  JOTR32038  Mentzelia involucrata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2268 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; near Squaw Tank; sandy flats among large granitic boulders and foothills (Stop 2) 1063 Comment
  RSA124076  Mentzelia involucrata Percy C. Everett, E. K. Balls 1958-4-29 23009 Riverside Hwy 60/70, Indio to Blythe, 6.5 miles E from Jct with Hwy 9. 244 Comment
  RSA440407  Mentzelia involucrata M. B. Dunkle 1935-3-30 4429 Riverside Pinto Basin, Colorado Desert. 915 Comment
  RSA440419  Mentzelia involucrata H. C. Ackley 1926-02 s.n. Riverside Shavers Well, Colorado Desert. Comment
  RSA440422  Mentzelia involucrata G. R. Johnstone 1930-4-14 14661 Riverside Shavers Well Comment
  SBBG28080  Mentzelia involucrata D. Myrick 1964-4-30 831 Riverside Pines to Palms Hwy 74, 12 mi W of Palm Desert 1066 Comment
  SBBG81633  Mentzelia involucrata S. A. Junak 1983-3-23 1637 Riverside E side of Jefferson Rd, across from entrance to Cahuilla Lake County Park 3 Comment
  UC1546719  Mentzelia involucrata Barry A. Prigge 1988-2-21 7847 Riverside 2 mi w Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  RSA0123778  Mentzelia jonesii Duncan S. Bell, LeRoy Gross 2016-3-10 8875 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  UCR35317  Mentzelia laevicaulis L. B. Ziegler 1967-10-4 253 Riverside San Jacinto Mtns., San Jacinto Mtns. 915 Comment
  UCR29850  Mentzelia obscura George K. Helmkamp 1983-3-24 383- 06 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at junction of the Graham Pass and Chuckwalla Springs Roads 229 Comment
  POM248404  Mentzelia veatchiana E. C. Jaeger 16 Riverside [No location information on label.] Comment
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Nov 6 2011
  UCR275583  Mesembryanthemum nodiflorum T. B. Salvato 2005-6-13 605- 11 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  JEPS36154  Microseris douglasii subsp. douglasii S. B. Parish 1914-3-24 9079 Riverside Perris Comment
  UCR267163  Microseris douglasii subsp. platycarpha Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 15 Riverside Temecula/Murrieta Region, Murrieta, S of Keller Rd., along dirt portion of Menifee Rd. (unmarked), on the old Clydesdale horse ranch 461 Comment
  RSA501038  Microseris lindleyi Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3159 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR112560  Microseris lindleyi A. C. Sanders 1998-3-17 21742 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, south of Hemet 343 Comment
  VVC98  Microseris lindleyi A. C. Sanders 1997-5-4 20652 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
  SBBG47459  Mimetanthe pilosa N. C. Cooper 1944-6-16 1433 Riverside Pine Cove 1524 Comment
  RSA0018785  Mimetanthe pilosa Anstruther Davidson 1892-7-4 s.n. Riverside San Jacinto. Comment
  POM158440  Mimulus androsaceus P. A. Munz 1927-5-21 10855 Riverside Head of San Carlos Pass, Anza. 1372 Comment
  UCR113888  Mimulus aurantiacus var. pubescens Mitch Provance 1998-4-10 417 Riverside La Sierra Hills, east-facing slopes of hills at western extreme of Cypress Ave 351 Comment
  UCR116515  Mimulus aurantiacus var. pubescens Dan Hare 2001-5-1 s.n. Riverside Upper Santa Ana River/San Bernardino Valley region, Box Springs Regional Park 720 Comment
  UCR174553  Mimulus aurantiacus var. puniceus Jennifer H. Jones 2006-6-6 405 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  RSA420957  Mimulus bigelovii var. bigelovii M. B. Dunkle 1933-3-4 3050 Riverside Painted Canyon, Colorado Desert. 30 Comment
  SDSU10762  Mimulus brevipes Charles F. Phleger 1962-5-12 Riverside Collceted on Highway 74, 5 miles east of Hemet. Comment
  UCR90411  Mimulus clevelandii D. L. Banks, S. D. Boyd 1995-6-2 559 Riverside Palomar Mtns., Cleveland Nat'l Forest, Agua Tibia Wilderness Area, N face of N peak of Agua Tibia Mt., on the Wooodchuck Trail north of the Riverside Co. boundary, c. 0.25 mi south of the clay grasslands in S32. 902 Comment
  RSA430185  Mimulus diffusus N. C. Cooper 1949-6-10 1224 Riverside West side 915 Comment
  SBBG101686  Mimulus floribundus S. Boyd with T. Ross 1991-6-8 6330 Riverside Pinyon Flat area near Ribbonwood, small hill N of St Hwy 74 Comment
  UCR201701  Mimulus floribundus Scott D. White, Justin M. Wood 2008-6-19 12261 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  RSA757743  Mimulus fremontii LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4351 Riverside 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
  LA209400  Mimulus guttatus Elizabeth McClintock; 1940-5-19 sn Riverside about 1.5 to 2 mi from Pines to Palms Hwy on Santa Rosa Mt Rd Comment
  UC886215  Mimulus guttatus I. W. Clokey 1935-8-21 6906 Riverside Hemet Lake 1220 Comment
  UCR116890  Mimulus guttatus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24200 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR3734  Mimulus guttatus Frank C. Vasek 1964-7-25 640725 11 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  JOTR34166  Mimulus parishii Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 123 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Pinyon Well; Riparian area near small series of active springs and seeps (Stop 2) 1182 Comment
  JOTR31052  Mimulus pilosus La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2035 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  UCR12281  Mimulus pilosus Art Whistler 1966-5-30 s.n. Riverside Box Springs Mtns., 100 yds. below split of roads to radio station at bottom of slope near Pigeon Pass Road near UCR Campus Comment
  CSUSB897  Mimulus puniceus Mark T. Wexler 1973-5-13 Riverside Santa Ana Mountains Cleveland National Forest, 10.18 miles from Orange County line of State Route 74, on east face of Santa Ana Mountains. 457 Comment
  RSA650913  Mimulus puniceus Carol Zuck 1981-2-16 39 Riverside On [Hwy] 74, 14.8 miles southest of Santa Rosa Rd. overlooking Elsinore. Comment
  LA95899  Mimulus rattanii Frank W. Peirson; 1931-5-30 9379 Riverside Santiago Peak, Glen Ivy Trail 1219 Comment
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Sep 20 2019
  UC1929818  Mirabilis bigelovii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10450 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR103177  Mirabilis californica Scott D. White, Julie Greene 1997-3-12 4772 Riverside Pedley area, S foot of Jurupa Hills: Just north of State Route (Fwy) 60 at Pedley exit. 305 Comment
  UCR89855  Mirabilis californica Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3317 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  RSA180369  Mirabilis laevis var. crassifolia E. W. Lathrop 1965-5-23 5766 a Riverside Riverside, 8 miles W of Murrieta 610 Comment
  CLARK-A1528-638  Mirabilis tenuiloba Charlotte Stocks 1962-6-27 Riverside Whitewater Canyon Comment
  POM13390  Mohavea confertiflora E. C. Jaeger 1922-3-4 1025 Riverside Painted Canyon near Mecca. Comment
  RSA788973  Mohavea confertiflora Aaron C. Sedgwick, David Fraker 2012-3-28 31 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UC1546688  Mohavea confertiflora Barry A. Prigge 1988-2-21 7846 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well 228 Comment
  JEPS63419  Monardella australis subsp. australis W. L. Jepson 1903-8-8 2314 Riverside San Jacinto Peak 3139 Comment
  UCR195145  Monardella breweri subsp. lanceolata A. C. Sanders, Tim Thomas 2008-8-1 35929 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  SBBG71969  Monardella lanceolata R. Hoffmann 1929-9-7 Riverside Strawberry Valley 1645 Comment
  POM187414  Monardella lanceolata var. lanceolata L. Crutcher 1933-8-1 8 Riverside Camp Tahquitz, San Jacinto Mtns. Comment
  RSA0097963  Monardella linoides Duncan S. Bell 2014-11-14 7710 Riverside Santa Rosa Mountains; collecting in the Santa Rosa Mountain Wilderness area; west side of Martinez Mountain; at meeting point of Horsethief Creek and the Cactus Spring Trail. 1055 Comment
  CAS-BOT-BC215492  Monardella nana E. McClintock; H. Lewis 1941-6-29 77 Riverside Road up Santa Rosa Mt. 1 mile beyond canyon where stream crosses road Comment
  LA57198  Monardella nana G. Bokker; May 1938 sn Riverside Palms to Pines Highway, near Ribbonwood Comment
  LA96092  Monardella nana Elizabeth McClintock; M. McClintock, D. Weiner 1941-7-11 99 Riverside Black Mountain, 0.75 mi. beyond the snow gate Comment
  SEINET3996319 Image available Monardella nana A. J. Breitung 1953-6-12 15551 Riverside Santa Rosa Mountains 1829 Comment
  UC1499821  Monardella nana Elizabeth McClintock 1941-7-21 125 Riverside San Jacinto Mts. Trail to Hidden Lake, a short distance beyond the creek which is above Willow Creek. Comment
  RSA750396  Monardella nana subsp. arida Elizabeth McClintock 1940-7-21 26 Riverside 1 mile above canyon and stream, on Santa Rosa Mt. road. Comment
  RSA750402  Monardella nana subsp. arida Elizabeth McClintock 1940-9-1 s.n. Riverside San Jacinto Mts. Trail between Tahquitz Valley and Hidden Lake. Comment
  RSA750414  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 57 Riverside Road to Santa Rosa Mt. 0.5 miles above Pines to Palms Highway. Comment
  UCR221497  Monardella nana subsp. arida Elizabeth McClintock 1940-5-19 05 Riverside Peninsular Range; Santa Rosa Mtns., 0.25 mi. off Pines to Palms Highway, on road to Santa Rosa Mtn. 1433 Comment
  SD135258  Monardella nana subsp. tenuiflora Craig Reiser, Dylan Hannon 1993-5-30 Riverside Northern slope of Santa Rosa Peak Comment
  UC1499829  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 126 Riverside trail to Hidden Lake (below the point at which the switchbacks begin); San Jacinto Mts. Comment
  RSA65882  Monolepis nuttalliana F. W. Peirson 1918-03 1834 Riverside Field near Indio. Comment
  RSA0042535  Monoptilon bellidiforme Ivan Johnston 1917-4-4 Riverside Palm Canyon. 457 Comment
  CLARK-A1656-648  Monoptilon bellioides Milton Walker 1978-3-21 Riverside Mecca 269 Comment
  RSA730041  Monoptilon bellioides R. F. Thorne 1973-3-30 42677 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  UC84198  Monoptilon bellioides C. R. Orcutt April, 1887 Riverside Colorado Desert Comment
  UCR113921  Muhlenbergia asperifolia Mitch Provance, A. C. Sanders 2000-7-4 2112 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UC39903  Muhlenbergia filiformis H. M. Hall July, 1901 2359 Riverside meadows and bogs San Jacinto Mountains, Tauquitz Valley 2438 Comment
  CAS-BOT-BC275296  Muhlenbergia microsperma Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13241 Riverside In wash rrising in Big Maria Mountains, Highway US 95, 11.3 miles N of Blythe Comment
  CLARK-A1045-226  Muhlenbergia microsperma George K. Helmkamp 1979-3-18 Riverside Shavers Valley 3 miles south of Interstate highway 10 on Cottonwood Springs Road [Box Canyon Road]; Cottonwood Spring 15'Q Comment
  JOTR32847  Muhlenbergia microsperma La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1529 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Queen Mountain, near north entrance to park; basalt rocky outcrops 901 Comment
  POM185023  Muhlenbergia microsperma Marcus E. Jones 1926-3-10 s.n. Riverside Santa Ana Canyon Comment
  RSA496129  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 3008 Riverside Vail Lake area, low hills west of Kolb Creek arm of lake. 488 Comment
  RSA559443  Muhlenbergia microsperma Steve Boyd 1992-4-15 6869 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  UC472730  Muhlenbergia microsperma Mary F. Spencer 1921-5-28 1695 Riverside Saboba Hot Springs San Jacinto 786 Comment
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Apr 1 2013
  SEINET10599994  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross; Laurel Arnseth; Jaime Bonilla, Barbosa 1990-4-3 Boyd 4101 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of "Big" Oak Mtn., just S of the E summit. T8S R1W S3 N1/2. Clay soil on Gabbro. Coastal sage scrub, chaparral on slopes, grassy flats. 610 Comment
  POM259206  Muhlenbergia richardsonis P. A. Munz 1938-8-14 15347 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  SEINET10468383  Muhlenbergia richardsonis David B. Dunn 1946-8-18 Dunn 2757 Riverside Found Jolly Springs ravine on trail up Devil's Slide. San Jacinto Mts. Wellman Sieniga, damp soil. Comment
  RSA0119961  Muhlenbergia rigens Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9071 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  RSA595328  Muhlenbergia rigens D. L. Banks, Victor Steinmann 1996-4-20 903 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along trail to the W, approx. 50 m S of the gate to the Reserve. 451 Comment
  SBBG35235  Muilla maritima T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  UCR162285  Muilla maritima S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR35286  Muilla maritima L. B. Ziegler 1967-7-4 175 Riverside San Jacinto Mtns, S slope of Thomas Mountain 1555 Comment
  UCR42546  Muilla maritima B. G. Pitzer 1986-4-26 0182 Riverside San Bernardino Mtns., Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  SD138817  Myosurus minimus var. apus Craig Reiser Unknown Riverside Hemet; southwestern corner of Florida & Warren Comment
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Mar 24 2011
  SDSU3601  Myriopteris newberryi James C. Dice with Tu Chung 1987-10-19 738 A Riverside At head of unnamed shallow side canyon, north side of Temecula Gorge, overlooking Santa Margarita River, ca. 0.4 km ENE of Field Station site and just ENE of weather station. T8S, R3W, northwest 1/4 of northwest 1/4 of section 26. 329 Comment
  OBI1298  Myriopteris parryi Lawrence L. Kiefer 1963-3-24 480 Riverside San Jacinto Mountains, East slope of the mountains, Andreas Canyon. SW of Palm Springs 305 Comment
  CLARK-A1528-4944  Nama demissa John C. Roos 1937-4-18 1388 Riverside Whitewater Comment
  UCR101582  Nama demissa 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
  UCR244320  Nama demissa var. demissa Jim Andre 2012-4-16 20924 Riverside Mojave/Sonoran Desert Transition, Joshua Tree National Park; along Cottonwood Springs Rd, 2.4 mi. north of Cottonwood Visitor's Center 956 Comment
  POM194892  Nama hispida var. revoluta Roxana S. Ferris 1928-4-22 7188 Riverside Colorado River bottom near Ripley South of Blythe. Comment
  GMDRC5933  Nama hispida var. spathulata J. M. Andre 2013-3-27 24792 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 242 Comment
  RSA4920  Nama hispida var. spathulata Carl B. Wolf 1932-4-28 3082 Riverside 19 mi. W. of Blythe on the Mecca rd. 122 Comment
  RSA700860  Nassella cernua Michael Wall 1996-5-8 148 Riverside Van Buren Blvd west of March Air Force Base, 1.5 mi west of Fwy 215, north side of road south side of Salix-filled seasonal drainage. Comment
  SEINET244667  Nassella cernua A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-22 24985 Riverside The Badlands; upper Laborde Canyon, SW of Beaumount. 671 Comment
  UCD87920  Nassella lepida F. M. Reed 1919-4-20 4091 Riverside Rubidoux Mountain. 548 Comment
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May 1 2011
  UCR98705  Navarretia atractyloides S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  RSA785182  Navarretia fossalis D. E. Bramlet 1993-5-8 2347 Riverside San Jacinto Valley, 7.2 km west of Hemet, 183 m north of Stowe Rd. and 610 m south of Setson Ave.,120 m east of California Ave. and 152 m west of the MWD canal. 456 Comment
  UCR87888  Navarretia fossalis Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  RSA587577  Navarretia hamata subsp. leptantha D. L. Banks, S. D. Boyd 1995-6-2 0576 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, in the clay grasslands in section 32, W of the Dripping Springs Alcove Area. 890 Comment
  JEPS57952  Nemacaulis denudata var. gracilis Dr. L. M. Newlon 1922-4-5 462 a Riverside e Palm Springs; San Jacinto Mts. Comment
  POM122137  Nemacaulis denudata var. gracilis Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA464361  Nemacaulis denudata var. gracilis S. B. Parish 1896-04 1931 Riverside Palm Springs. Comment
  HSC78533  Nemacladus longiflorus J. C. Roos 1947-3-15 3343 Riverside 1 mi. E of Valle Vista. 549 Comment
  SEINET10458417  Nemacladus longiflorus Secrest 1951-5-18 SECREST s.n. Riverside San Jacinto River bed, few miles east of Hemet Comment
  RSA543855  Nemacladus pinnatifidus Steve Boyd, Orlando Mistretta 1991-5-22 6310 A Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA525331  Nemacladus ramosissimus Steve Boyd, L. Arnseth, M. Skinner 1990-4-28 4462 -a Riverside Vail Lake area, Hwy R3 (Sage rd) at junction with Debby Road. just S of Sage. Comment
  UCR249816  Nemophila menziesii T. B. Salvato, John Lovio 2013-3-19 7350 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  UCR41360  Nemophila menziesii N. M. Fellows 1985-3-3 88 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  UCR96702  Nemophila menziesii A. C. Sanders 1997-3-1 19724 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UC64047  Nemophila spatulata H. M. Hall 1901-7 2406 Riverside in meadows or along creeks of Tamarack Valley, San Jacinto Mountains San Jacinto Mountains, Tamarack Valley 2804 Comment
  CHSC64673  Nicotiana obtusifolia Chris Dietrich; M. Merello, H. Schmidt 1994-4-12 20 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. Along wash. 380 Comment
  UC76178  Nicotiana quadrivalvis Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR212972  Nicotiana quadrivalvis Justin M. Wood, Brandy N. Wood 2009-7-4 1044 Riverside San Bernardino Valley, Riverside Flood Control Basin, southwest corner of Patton Road and Wineville Road, immediately south of San Bernardino County Line 256 Comment
  CAS-BOT-BC71162  Notholaena californica Louis C. Wheeler 1933-12-2 2306 Riverside Mouth Tah 304 Comment
  RSA686403  Notholaena californica Anstruther Davidson 1893-4-10 114 Riverside Palm Springs. Comment
  UC1483906  Nuttallanthus texanus C. W. Tilforth, W. Wisura 1979-4-11 1781 Riverside e of Temecula (in Long Canyon, Rancho California Road, sw Riverside County); Long Canyon, Rancho California Road Comment
  POM355283  Oenothera californica D. A. Young 1969-3-28 P- 330 Riverside On Interstate Hwy 10, 6 mi E of Desert Center, at rest stop; N side of hwy. 305 Comment
  POM122194  Oenothera californica subsp. californica Marcus E. Jones 1926-5-29 s.n. Riverside South of Temecula. Comment
  POM159450  Oenothera californica subsp. californica P. A. Munz 1927-5-21 10835 Riverside Coahuila Valley. Comment
  RSA715765  Oenothera californica subsp. californica A. C. Sanders, D. Malueg 2003-5-8 26562 Riverside San Jacinto Valley: San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  UC63396  Oenothera californica subsp. californica H. M. Hall 1904-5-20 4952 Riverside along S.P.R.R. vicinity of Riverside 262 Comment
  UCR90165  Oenothera deltoides R. W. Scora 1966-4-1 3005 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  JOTR35386  Oenothera deltoides subsp. deltoides Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 174 Riverside Joshua Tree National Park. eastern Eagle Mountains; near Pinto Wells, sand ramps and large active wash between sand hills and basalt outcrops 286 Comment
  POM8654  Oenothera deltoides subsp. deltoides P. A. Munz, R. D. Harwood 1920-4-20 35832 Riverside Blythe. Comment
  RSA698260  Oenothera deltoides subsp. deltoides Mary Edmunds 1932-3-27 s.n. Riverside Sandy soil W. of Indio. Comment
  UC665751  Oenothera deltoides subsp. deltoides Ira L. Wiggins 1941-3-26 9660 Riverside along wash Wiley Well Comment
  SDSU13603  Oenothera elata subsp. hookeri W. Miller, C. Mosse 1972-7-13 Riverside Comment
  UC1929327  Oenothera hookeri Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10675 Riverside San Jacinto Mountain foothills; Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. Comment
  RSA26836  Oligomeris linifolia I. L. Wiggins 1941-3-24 9581 Riverside Eastern margin of Salton Sea, 3.5 miles south of Mortmar Comment
  RSA4926  Oligomeris linifolia Carl B. Wolf 1932-4-28 3072 Riverside Chuckwalla Valley, 20 miles west of Blythe on the Mecca road 122 Comment
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Mar 26 2011
  SBBG104704  Oligomeris linifolia T. Glenn 1991-5-2 91 -34 Riverside McCoy Mtns NW of Blythe Comment
  SBBG2641  Oligomeris linifolia H. and M. Dearing 1942-2-12 4801 Riverside Cathedral City Comment
  UC667258  Olneya tesota Annie M. Alexander and Louise Kellogg 1941-5-17 2194 Riverside 5 mi w Mecca; Colorado Desert Comment
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Jun 15 2013
  CAS-BOT-BC349928  Oncosiphon piluliferum A. C. Sanders; T. B. Salvato 2011-3-28 38812 Riverside Peninsular Range; Perris-Aguanga Basin Region: Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  CDA7543  Oncosiphon piluliferum A. C. Sanders 2004-4-9 27479 Riverside Perris Valley. Ramona Expressway at east end of Lake Perris dam Comment
  RSA0038513  Oncosiphon piluliferum R. E. Riefner Jr. 2012-4-30 12 -82 Riverside city of Lake Elsinore, south side of Alberhill Creek, west of Hwy 74, vicinity of Bromley Ave. and Baker Street 380 Comment
  UCR224464  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato 2011-3-28 38812 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  UCR232355  Oncosiphon piluliferum John F. Green 2008-4-15 0408- 22 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  UC718132  Opuntia X occidentalis C. B. Wolf and P. C. Everett 1938-9-29 9462 Riverside 9 mi from Temecula (on road to Aguanga); Fork of Temecula Wash 335 Comment
  SEINET3071813  Opuntia basilaris Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17499 Riverside Queen Mountain quadrangle, zone 11 0585460mE 3765223mN NAD83, Queen Valley, 1km west of Desert Queen (McHaney's) Mine, 1km ESE of the summit of Negor Hill, 13km SSW of Twentynine Palms 1335 Comment
  CAS-BOT-BC59013  Opuntia littoralis Carl B. Wolf 1938-6-11 9421 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  UCR192122  Opuntia microdasys John F. Green 2008-6-5 s.n. Riverside Peninsular Range, south side of Hwy 74, c. 3 miles NE of Lake Elsinore and 3 miles NW of Canyon Lake 478 Comment
  POM288042E  Opuntia phaeacantha David Griffiths 1906-1 8292 Riverside Banning. Comment
  RSA22795  Opuntia polyacantha var. erinacea C. B. Wolf 1939-9-29 9459 Riverside Desert slopes of San Jacinto range. Upper edge of Pinon Flats on the Palms-Pines Road. 1220 Comment
  POM288951  Opuntia vaseyi Lyman Benson, Robert Benson 1955-12-6 15623 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  UCR75963  Orcuttia californica D. E. Bramlet 1992-4-29 2253 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, 8 km SW of Hemet, NW of the intersection of California Ave. and Stowe Rd., c. 250 ft. north of Stowe Rd. and c. 350 ft. west of California Ave. 456 Comment
  CLARK-A1528-3390  Orobanche cooperi John C. Roos 1949-3-26 4125 Riverside Mecca Comment
  JEPS85947  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4525 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  JEPS10835  Orobanche fasciculata W. L. Jepson and H. M. Hall May 17-June 1, 1901 1463 Riverside Santa Rosa Peak and Palomar. Van Deventer's Ranch. Comment
  UCR94614  Orobanche fasciculata G. R. Ballmer, Kay Stockwell 1995-6-25 s.n. Riverside San Jacinto Mtns, Pacific Crest Trail, near Pyramid Peak [c. 3 km (airline) SSE of Palm View Pk.--A. C. Sanders] 2134 Comment
  POM211568  Orthocarpus densiflorus var. gracilis Philip A. Munz 1941-5-18 16659 Riverside North end of Santa Rosa Ranch, Elsinore Mountains 915 Comment
  RSA28063  Orthocarpus purpurascens I. L. Wiggins 1941-3-27 9703 Riverside 4 mi. north of Whitewater. Comment
  SBBG54321  Osmadenia tenella C. Davidson 1977-5-25 5646 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  RSA263608  Osmorhiza brachypoda E. W. Lathrop 1968-5-22 6912 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  RSA458993  Osmorhiza brachypoda Christopher Davidson 1977-5-18 5618 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1219 Comment
  RSA783249  Oxytheca caryophylloides J. D. Olmsted 1962-5-3 3496 Riverside Where Thomas Mt. road turns East along SW flank of north peak. 1768 Comment
  RSA0120243  Oxytheca emarginata Duncan S. Bell, Thomas Stoughton 2016-4-13 9274 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  SEINET3289842 Image available Oxytheca emarginata M. W. Denslow, Firoozeh Navid-Ara; Valerie Soza 2003-7-15 1452 Riverside San Jacinto Mountains region: Northeast of South Ridge trailhead, east of Idyllwild. 2012 Comment
  SEINET10537850  Paeonia californica James S. Miller 1992-5-8 Miller 7458 Riverside 1 mi N of California route 74 on Main Divide Road; near NE border of Cleveland National Forest. 900 Comment
  UC718284  Paeonia californica Carl B. Wolf 1936-6-17 7955 Riverside Tenaja Road Santa Ana Mts. (1.4 mi off Ortega Highway, on road to La Cienaga) 609 Comment
  UCR104807  Palafoxia arida George K. Helmkamp, E. A. Helmkamp 1998-2-18 2711 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  SD260188  Palafoxia arida var. arida A. C. Sanders, Jim Malusa 2016-3-18 42382 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, along gasline road 21.5 km due norht of Slab City / Camp Dunlap. Rocky canyon with wide sandy wash. 537 Comment
  UCR24014  Panicum alatum var. minus John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, 18 mi. west of Blythe 122 Comment
  RSA557879  Panicum capillare Steve Boyd, O. Mistretta 1992-4-23 7051 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside Co. line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 243 Comment
  UCR113876  Panicum capillare Mitch Provance, A. C. Sanders 2000-7-4 2085 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  SD204783  Panicum urvilleanum Sarah J. De Groot, J. Mark Porter 2006-3-14 5199 Riverside North foot of San Jacinto Mountains between Snow Creek Road and Highway 111. 366 Comment
  SEINET3223046 Image available Panicum urvilleanum J. Wear 1993-4-1 Riverside Colorado Desert; Coachella Valley, Palm Desert, section 4. Comment
  UCR37456  Papaver californicum 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
  UCR1597  Papaver rhoeas R. L. Irwin 1962-5-8 0076 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, on Canyon Crest Drive just past U.S. 395 [Hwy 60] freeway bridge and on curve going southwest 317 Comment
  UCR115140  Parkinsonia florida Mitch Provance 2000-10-28 2270 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  UCR272649  Parkinsonia florida Cheryl Sevilla, Sarah J. De Groot, Forrest D. Freund 2015-4-1 072 Riverside Sonoran (Colorado) Desert, Coachella Valley, Santa Rosa Mountains, suth of La Quinta, north of Devil Canyon, 2.5 miles west of Lake Cahuilla 136 Comment
  UC53709  Paspalum distichum E. L. Koethen 1897-8-12 7 Riverside Riverside Comment
  UCR281922  Pectis papposa A. C. Sanders, Jim Malusa 2017-9-21 43349 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  OBI7762  Pectis papposa var. papposa David J. Keil 1975-8-27 10994 Riverside 8 mi W of Desert Center along I-10 Comment
  RSA782787  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-4 054 Riverside Red Cloud Wash Road exit from I10. Follow Red Cloud Wash Rd approximately 5.5 miles. Chuckwalla Bench ACEC. 593 Comment
  SD255104  Pectis papposa var. papposa Sarah J. De Groot, Amy Rouillard 2015-9-15 7571 Riverside For Dry Lake, Chuckwalla Valley, north of I-10. Mud flat with some standing water at south edge of dry lake bed. 106 Comment
  POM368804  Pectocarya heterocarpa Robert M. Perkins, H. de Forest 1938-4-18 s.n. Riverside 24 miles W of Indio. Comment
  UCD120120  Pectocarya heterocarpa LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1429 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. Near 33 deg. 37'32'N, 115 deg. 19'35'W: UTM 3721895N, 655238E to 33 deg. 36'52N, 115 deg. 19'54': UTM 3720669N, 654757E. 548 Comment
  UCR214423  Pectocarya heterocarpa A. C. Sanders, Richard Dwerlkotte 2010-3-22 37508 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  RSA716400  Pectocarya linearis Scott D. White, Angelia Carey 2004-4-5 10002 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  SD186139  Pectocarya linearis A. C. Sanders, T. B. Salvato and Mitch Provance 2003-4-4 25838 Riverside Jurupa Mtns., hill southwest of the Jensen Quarry, northwest of Sunnyslope. 366 Comment
  SEINET2042518 Image available Pectocarya linearis A. C. Sanders 2001-3-20 23852 Riverside (Desert Hot Springs Quad 7.5') Coachella Valley, Garnet, N side of 19th Ave.; 0.5 mi (airline) NW of intersection of I-10 and Indian Ave. T3S R4E S15, center 235 Comment
  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
  UCR174087  Pectocarya penicillata A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32549 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 488 Comment
  UCR267887  Pectocarya platycarpa Jim Andre 2013-3-4 23867 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  UCR41560  Pectocarya platycarpa A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6018 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  RSA543594  Pectocarya setosa Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6146 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  RSA543607  Pectocarya setosa Steve Boyd 1991-5-7 6169 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA493825  Pedicularis densiflora Maureen Pendleton 1988-2-22 s.n. Riverside Rancho Calif. area. ca. 8 mi. (airline) NW of Temecula, between Bruce Lane and Via View Dr. 732 Comment
  UCR262236  Pellaea andromedifolia T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3718 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  SD138001  Pellaea andromedifolia var. andromedifolia Darin L. Banks, Steve Boyd 1995-3-30 116 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope AguaTibia Mtn., west of Dripping Springs Alcove, east of Woodchuck Trail Comment
  SD153020  Pellaea mucronata subsp. mucronata Steve Boyd, Tim Ross 1992-5-5 7220 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; Oak Flats area east of Verdugo Potrero. 730 Comment
  CAS-BOT-BC71527  Pellaea mucronata var. californica Louis C. Wheeler 1931-10-4 174 Riverside Strawberry-Tahquitz Valley Trail, San Jacinto Mts. 2042 Comment
  POM857  Pellaea mucronata var. mucronata I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 762 Comment
  UC812405  Pellaea mucronata var. mucronata C. L. Hitchcock 1940-4-12 6043 Riverside 8 mi nw of Elsinore 457 Comment
  UCR239595  Pennisetum setaceum Lynn Sweet 2010-3-12 s.n. Riverside Peninsular Range/Sonoran (Colorado) Desert, Santa Rosa Mountains, UC Boyd Deep Canyon Reserve, Coyote Canyon 302 Comment
  RSA412461  Penstemon centranthifolius E. C. Jaeger 1921-6-1 s.n. Riverside Gregg's Ranch, San Jacinto Mtns. 1372 Comment
  SDSU10877  Penstemon centranthifolius Charles F. Phleger 1962-5-13 Riverside Collected on the Huffman acreage, 5 miles N of Idyllwild. Comment
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Oct 6 2011
  SEINET7072840  Penstemon centranthifolius A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. Coordinate datum: WGS84/NAD83. (33? deg. 32' 25" North Latitude, -116? deg. 45' 8" West Longitude, Coordinate datum: NAD27.). Comment
  UC218048  Penstemon centranthifolius P. A. Munz, I. M. Johnston 1922-5-6 5195 Riverside Covington Ranch , Covington Ranch (Morongo Pass) 762 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
  JEPS26103  Penstemon clevelandii var. connatus Peter H. Raven 1958-5-6 12925 Riverside along State Highway 74, 15.6 mi sw Palm Desert; sw of Palm Desert Comment
  SD119905  Penstemon clevelandii var. connatus Louis B. Ziegler 1967-5-31 141 Riverside Pinyon Flats in San Jacinto Mountains. Along He=wy #74 above and below flats 1219 Comment
  JOTR32030  Penstemon clevelandii var. mohavensis Herskovits, Tasya & Harding, Mitzi 2011-4-28 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; east side of Lost Horse Rd.; west facing side of boulder outcrops 1243 Comment
  POM15010  Penstemon labrosus Mary F. Spencer 1922-7-2 961 Riverside Idyllwild. 1707 Comment
  SJSU13482  Penstemon labrosus C. W. Sharsmith 1945-8-28 5454 Riverside Indian Cr Canyon, Mt San Jacinto 1828 Comment
  RSA79844  Penstemon pseudospectabilis Philip A. Munz, D. D. Keck 1922-4-9 4909 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  RSA96912  Penstemon spectabilis R. M. Straw 1953-6-5 448 Riverside 0.3 mi. west of Palms to Pine Hwty, on road to Anza. Comment
  CAS-BOT-BC77483  Peritoma arborea var. angustata F. O. Ballow 1926-2-25 s.n. Riverside Valley near Banning Comment
  POM8380  Perityle emoryi Mary F. Spencer 1920-4-7 783 Riverside Palm Springs. 122 Comment
  RSA239816  Perityle emoryi C. W. Tilforth 1973-4-29 775 Riverside 2 miles S of Bridge at base of Seven Level Hill, S of Palm Desert, Hwy 74 457 Comment
  RSA471853  Perityle emoryi Christopher Davidson 1979-4-4 7724 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  UCR202046  Perityle emoryi Denise Woodard, Gilbert Goodlet 1997-3-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  UCSB22910  Perityle emoryi Day, Fran 1964-3-23 Riverside 3 miles east of U.S. 99 on Ramon Road 91 Comment
  SEINET13945011 Image available Petroselinum crispum A. C. Sanders 1922-1 25059 Riverside San Bernardino/Santa Ana River Valley Region: Riverside cultivated plants in yard at 422 Campus View Dr. Riverside East 7.5' Q.: 33 deg. 58.5' N, 117 deg. 19' W. T2S R4W SEC 20, S/2. Alt 341 m/1120 ft. 341 Comment
  POM264161  Petunia parviflora J. C. Roos 1937-6-7 498 Riverside South of Sage. Comment
  RSA0089266  Petunia parviflora D. E. Bramlet, Fred M. Roberts 2005-6-6 3868 Riverside San Jacinto Valley: San Jacinto River at Sanderson Ave., north of Ramona Expressway. 447 Comment
  RSA651687  Peucephyllum schottii Viki Cruz 1983-5-8 002 *k Riverside Collected on a rocky hillside of the North facing slope just inside Magnesia Canyon,Santa Rosa Mountains. Comment
  RSA676281  Peucephyllum schottii Scott D. White 2001-4-3 8241 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA777402  Peucephyllum schottii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 835 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  SEINET7248273 Image available Peucephyllum schottii Duncan S. Bell, LeRoy Gross 2014-1 6241 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  UCSB22643  Peucephyllum schottii 1962-3-11 Riverside On steep rocky road cut on State 74, 5.7 miles southwest of Palm Desert 487 Comment
  RSA94110  Peucephyllum schottii F. W. Peirson 1930-3-29 8690 Riverside Colorado Desert. Painted Canyon, near Mecca. Comment
  RSA426006  Phacelia ambigua Robert L. Dressler 1949-3-19 366 Riverside Box Canyon, Orocopia Mts. Comment
  RSA74175  Phacelia ambigua F. W. Peirson 1922-4-9 4126 Riverside Palm Canyon Region, near Palm Springs. Comment
  POM122680  Phacelia brachyloba Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  SJSU6024  Phacelia campanularia R. C. McGehee 1970-4-28 229 Riverside 0.5 mi S of Cottonwood Pass, Joshua Tree National Monument Comment
  UC1007222  Phacelia campanularia Philip A. Munz 1940-3-23 15716 Riverside wash 3 mi n Cottonwood Springs; Eagle Mts. 914 Comment
  RSA0018546  Phacelia campanularia Joan Stewart 2004-4-24 s.n. Riverside Lost Horse Campground, JTNP [Joshua Tree National Park] Comment
  UCR120812  Phacelia ciliata Ian G. Gillespie, Steve Boyd 2000-4-15 3 Riverside Lake Mathews, Drainage on E side of Monument Peak 488 Comment
  RSA783489  Phacelia crenulata J. D. Olmsted 1958-3-29 76 Riverside Joshua Tree National Monument. Pinto Basin 5 mi north of junction between Cottonwood Pass and Cottonwood Spring Roads on the former, which becomes Pinto Basin Road. 732 Comment
  JOTR28948  Phacelia crenulata var. ambigua La Doux, Tasha 2005-3-30 1184 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR30997  Phacelia cryptantha La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1319 Riverside Joshua Tree National Park. Stop 3: Hexie Mountains, steep loose slopes above Blue Cut Gorge Comment
  JOTR32041  Phacelia cryptantha La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2271 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  RSA426210B  Phacelia distans P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs Comment
  RSA770309  Phacelia distans Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4496 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  RSA770317  Phacelia distans Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4408 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  RSA772970  Phacelia distans Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4777 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  UCR198194  Phacelia distans Michael Honer, L. Hulse 2004-4-3 1920 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  UCR25548  Phacelia distans John C. Roos 1941-4-19 175 Riverside Peninsular Range, Loma Linda Hills/Box Springs Mtns.; plateau in Reche Canyon 671 Comment
  HSC86135  Phacelia imbricata subsp. patula B. Freeman, David Hagstrum 1969-6-28 69062811 Riverside San Jacinto Mtns., University of California James Reserve, bank overlooking Indian Creek Comment
  POM12124  Phacelia imbricata subsp. patula Mary F. Spencer 1921-6-21 1237 Riverside Edge of woods, Idyllwild, San Jacinto Mt. 1616 Comment
  CLARK-A1528-561  Phacelia minor Fred B. Essig 1963-11-29 7 Riverside La Sierra Comment
  UCR97446  Phacelia minor A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19866 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR41322  Phacelia ramosissima N. M. Fellows, A. C. Sanders 1985-5-7 179 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  POM122256  Phacelia ramosissima var. latifolia Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA697714  Phleum alpinum J. Russell Bruff 1934-7-5 s.n. Riverside San Jacinto 2896 Comment
  POM13686B  Phlox austromontana E. C. Jaeger 1921-6-23 s.n. Riverside Palms to Pines trail. 1463 Comment
  RSA489619  Phlox austromontana D. Charlton 1988-5-28 2113 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2286 Comment
  JOTR35431C  Phoenix dactylifera Kain, Katie, Angela Sowa 2012-10-16 s.n. Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  RSA792342  Pholisma arenarium Doris Bowers s.n. Riverside Colorado Desert, Algodones Dunes? Comment
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Mar 17 2014
  RSA221011  Pholistoma auritum E. W. Lathrop 1966-5-8 6404 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA459291  Pholistoma membranaceum Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA459299  Pholistoma membranaceum Bonnie C. Templeton 1930-3-22 1649 Riverside Palm Springs. 400 Comment
  HSC87172  Phoradendron californicum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2103 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  RSA420777  Phoradendron californicum Anstruther Davidson 1901-02 s.n. Riverside Near Palm Springs, base of San Jacinto Mtns. Comment
  SBBG22932  Phoradendron californicum D. Myrick 1965-3-4 1083 Riverside Palms to Pines Hwy 74 914 Comment
  SBBG43589  Phoradendron californicum K. K. Muller 1957-4-13 801 Riverside 12 mi W of Desert Center Comment
  UCR52006  Phoradendron californicum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2103 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCR95733  Phoradendron californicum L. C. Wheeler 1956-2-25 7176 Riverside Sonoran (Colorado) Desert, Deep Canyon, south of Palm Desert Comment
  UC1078928  Phoradendron densum Job Kuijt 1958-3-14 1493 Riverside 11.7 mi. s. Palm Desert 975 Comment
  UCR6522  Phoradendron densum O. F. Clarke 1966-10-15 661015- 2 Riverside San Jacinto/Santa Rosa Mtns., end of Big Horn Rd. 915 Comment
  CAS-BOT-BC135181  Phoradendron juniperinum Edmund C. Jaeger 1922-6-20 s.n. Riverside Caramba Camp. Tacquitz Creek, San Jacinto Mts. Comment
  JOTR32391  Phoradendron serotinum subsp. tomentosum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2495 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
  JOTR36414  Phoradendron serotinum subsp. tomentosum La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3360 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  RSA33478  Phoradendron villosum N. C. Cooper 1944-7-16 1386 Riverside Pine Cove. Comment
  RSA722378  Phoradendron villosum J. Russell Bruff 1934-7-9 s.n. Riverside Idyllwild. Comment
  CAS-BOT-BC260907  Phragmites australis H. E. Hasse 1903-11-22 s.n. Riverside Cienega in Chino Canyon, San Jacinto Mts. Comment
  RSA615382  Phyla nodiflora A. C. Sanders, L. Ard 1994-7-11 15059 Riverside Cherry Valley, irrigated landscaping at the Edward-Dean Museum, Oak Glen Rd. 1 mi. N. of Orchard St. 1000 Comment
  RSA28050  Physalis crassifolia I. L. Wiggins 1941-3-27 9673 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA79897  Physalis crassifolia F. W. Peirson 1922-4-8 1088 Riverside between Whitewater and Palm Springs. Comment
  SEINET7048166  Physalis crassifolia Steven R. Hill 2001-5-3 33671 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  UCR116044  Physalis philadelphica Nathan Moorhatch 1999-10-28 s.n. Riverside San Bernardino Valley, San Sevaine Flood Control Channel, south side of San Sevaine Way, town of Glen Avon, c. 0.25 mi (air) due north of Van Buren Blvd. 232 Comment
  UC219194  Pilularia americana P. A. Munz 1922-4-29 5087 Riverside 1/2 mi s Lake Elsinore Comment
  UCR26952  Pinus coulteri E. W. Lathrop 1966-5-29 6386 Riverside Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  UCR8099  Pinus coulteri B. Freeman 1969-3-24 690324- 01 Riverside San Jacinto Mtns., James Reserve, c. 20 m west of Indian Creek. 1646 Comment
  JEPS47909  Pinus flexilis W. L. Jepson and H. M. Hall 1901-5-25 1452 Riverside very top Santa Rosa Peak Comment
  RSA5238  Pinus flexilis C. B. Wolf 1932-8-5 3982 Riverside Rocks at summit of San Jacinto Peak 3294 Comment
  UCSB9248  Pinus monophylla Koran, Jr., John 1958-12-28 Riverside At Pinon Flats, 20 miles west of Palm Springs on the Pines to Palms Hwy. 1220 Comment
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Nov 27 2012
  CDA568  Pinus quadrifolia Ronald Somerby 1972-3-1 s.n. Riverside 0.25 mi N of the end of Kirby Rd, Anza. 0 Comment
  UCR115921  Pistacia atlantica Mitch Provance 2000-10-28 2288 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  UCR94260  Plagiobothrys Scott D. White 1996-4-14 3893 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Rd. and 100 m west of the San Jacinto River channel 433 Comment
  SD240929  Plagiobothrys acanthocarpus A. C. Sanders, T. B. Salvato 2011-4-1 38943 Riverside Peninsular Range: Lake Elsonore, SW of Baker St along dirt branch road to microwave tower, near large water tank on hill (Lake Elsinore 7.5'Q) 409 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
  CLARK-A1045-185  Plagiobothrys bracteatus George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  SD143992  Plagiobothrys canescens A. C. Sanders 1997-3-1 19730 Riverside Box Springs Mountains: Pigeon Pass, canyon below Regulus Road, 0.6 mi. W of Pigeion Pass Rd., 0.4 mi. E of Bench Mark Table (2559 ft.) 609 Comment
  UCR116462  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2001-3-30 23859 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  UCR154834  Plagiobothrys canescens A. C. Sanders, Kelly Volansky 2005-3-17 29236 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR120650  Plagiobothrys collinus D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1791 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR225440  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2011-3-29 38845 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  POM13639  Plagiobothrys collinus var. fulvescens P. A. Munz 1922-6-30 5912 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  UCR265816  Plagiobothrys collinus var. fulvescens Mitch Provance 2012-5-24 512- 06 A Riverside San Gorgonio Pass, Banning, near its border with Beaumont, Smith Creek Wash vicinity, E of Highland Springs Rd., both N and S of W Wilson St. 784 Comment
  POM71445  Plagiobothrys jonesii Marcus E. Jones 1906-4-26 7337 Riverside Indio Comment
  UCR211730  Plagiobothrys leptocladus Fred M. Roberts, D. E. Bramlet 2005-5-5 6180 Riverside Perris Basin, San Jacinto Valley, along MWD canal just north of Devonshire Road and west of Warren Road 458 Comment
  UCR30506  Plagiobothrys leptocladus John C. Roos 1952-5-7 5623 Riverside Flats at Edgemont 488 Comment
  SD224887  Plagiobothrys nothofulvus A. C. Sanders, S. Hawkins 1996-4-24 18077 Riverside San Bernadino Mtns.: Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats. 1096 Comment
  UCR179202  Plagiobothrys tenellus T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 135 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  RSA286790  Plagiobothrys undulatus R. F. Thorne 1974-5-23 44681 Riverside Santa Rosa Plateau, Rancho California; grassland area E of Redonda Mesa 610 Comment
  SDSU12233  Plantago erecta Tahirih Linz, M. G. Simpson 2000-4-1 2 Riverside Comment
  SDSU18737  Plantago erecta C. Matt Guilliams 2008-2-13 449 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. Just south of edge of mesatop. 426 Comment
  OBI37478  Plantago lanceolata Steve Boyd 1985-7-23 1000 Riverside Along rd edge, 5 mi W of Rancho Calif at jctn of Rancho California Rd and De Luz Rd 427 Comment
  POM4551  Plantago lanceolata Geo. R. Hall 1908-1 8485 Riverside Riverside Comment
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Feb 3 2011
  SEINET9163016  Plantago lanceolata G. R. Hall 1908-1 8485 Riverside Riverside. Comment
  RSA0013276  Plantago ovata April Garbat, Sarah J. De Groot 2013-4-9 40 Riverside Along Graham Pass Rd near intersection with Chuckwalla Valley Rd 130 Comment
  RSA758327  Plantago ovata Doug Goldman 2005-3-3 3033 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  POM14263  Plantago ovata var. fastigiata P. A. Munz, D. D. Keck 1922-4-9 4816 Riverside Hayfields, Chuckawalla Valley. 152 Comment
  POM68906  Plantago ovata var. fastigiata Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  RSA457801  Plantago ovata var. fastigiata Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2198 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  RSA68981  Plantago ovata var. fastigiata F. W. Peirson 1926-2-22 6510 Riverside Thousand-Palms Canyon; Coachella Valley Comment
  UCR227721  Plantago patagonica Duncan S. Bell, Joy England 2010-5-27 1131 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.0 air mi southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1354 Comment
  RSA761892  Plantago subnuda Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 705 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR196895  Platanus acerifolia A. C. Sanders, D. L. Sanders 2008-9-27 36103 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  POM1499  Platanus racemosa I. M. Johnston 1917-4-4 1094 Riverside Andreas Canyon, near Palm Springs. 229 Comment
  CAS-BOT-BC91884  Platystemon californicus C. L. Hitchcock; C. V. Muhlick 1962-3-16 22163 Riverside 5 miles southeast of Elsinore. Comment
  POM305820  Platystemon californicus Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1039 Riverside Elsinore - Capistrano. Comment
  RSA357158  Platystemon californicus Robert F. Thorne 1973-5-23 43858 Riverside Santa Rosa Plateau-Mesa De Colorado. 610 Comment
  SD38064  Platystemon californicus Edith A. Purer 1935-4-21 6440 Riverside Pine Valley, on Pines to Palms Highway. Comment
  UCR167417  Platystemon californicus John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  JOTR28939  Pleuraphis rigida La Doux, Tasha 2005-3-30 1175 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR28940  Pleuraphis rigida La Doux, Tasha 2005-3-30 1176 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA697727  Pleuraphis rigida Wilma Griset 1931-3-29 s.n. Riverside Colorado Desert, Indio. Comment
  RSA775945  Pleuraphis rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 955 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  UC818425  Pleuraphis rigida C. L. Hitchcock 5934 Riverside along 29 Palms Road 1 1/2 mi ne Cottonwood Spring (Joshua Tree Nat. Monument); , ne of Cottonwood Spring Comment
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Nov 6 2011
  CAS-BOT-BC326638  Pleurocoronis pluriseta Munz; Street; Williams 1919-3-25 2329 Riverside Palm Canyon, Palm Springs, Colorado Desert Comment
  RSA747988  Pleurocoronis pluriseta Scott D. White, Justin M. Wood 2009-4-28 12601 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  UCR250872  Pluchea sericea S. J. Myers 2014-4-29 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, c. 1.2 mi. SE of Mecca at intersection of 68th St. and Johnson Ave. -60 Comment
  UCSB33270  Pluchea sericea Miller, Brian 1963-6-1 Riverside 1000 Palms Oasis 30 Comment
  RSA586922  Poa annua D. L. Banks, Steve Boyd 1995-5-3 257 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA715315  Poa annua A. C. Sanders 2006-5-19 32396 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn/Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR2674  Poa annua F. M. Reed 1904-3-11 661 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  POM147498  Poa annua F. M. Reed 1928-4-18 5858 Riverside Sand in San Luis Rey River, Vail Ranch. Comment
  UCD90510  Poa bigelovii H. K. Wagnon 1944-3-19 345 Riverside Palm Springs. Along south side of Tahquitz Creek. Comment
  UCR121696  Poa bulbosa A. C. Sanders 2002-5-4 25042 Riverside San Jacinto Mtns., Idyllwild, Pine Crest Ave., NE of Hwy 243 1677 Comment
  UCR260160  Polygonum aviculare Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4776 Riverside Eastern Mojave Desert, east side of Arica Mountains, west side of Rice Valley c. 6 air mi southeast of the ghost town of Rice or c. 5.25 air mi east-southeast of Priests Well 211 Comment
  UCR49989  Polygonum aviculare S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  UCR92093  Polygonum lapathifolium Scott D. White, S. Ogg 1994-10-17 2461 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  RSA526088  Polypogon interruptus Steve Boyd, Timothy S. Ross 1990-5-11 4661 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  SEINET10719134  Polystichum Greg Gust, Leith Nye 2005-3-12 Gust 560 Riverside Cleveland National Forest. Hwy 74 west of lower San Juan Picnic Area at pullout W side of Santa Ana Mountain Range. 495 Comment
  CAS-BOT-BC102594  Populus fremontii Herman Knoche 1919-6-2 Series A, No. 644 Riverside Palm Springs Comment
  UCR230922  Populus fremontii T. B. Salvato, Richard Camacho 2011-6-12 5474 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
  RSA775119  Populus fremontii subsp. fremontii Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5029 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. 732 Comment
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May 22 2012
  CAS-BOT-BC356168  Porophyllum gracile W. L. Jepson 1912-10-22 5242 Riverside Riverside Mts. 137 Comment
  CAS-BOT-BC356170  Porophyllum gracile A. J. McC. 1892-4-1 109 Riverside Elsinore Comment
  HSC24978  Porophyllum gracile Richard Spjut 1972-2-1 2166 Riverside Colorado Desert: N face of Chuckawalla Mts. ca. 3-4 mi. S of Desert Center 305 Comment
  UCR97713  Porophyllum gracile Scott D. White 1997-2-28 4714 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UCR20507  Potamogeton diversifolius F. M. Reed 1908-7-12 2515 Riverside San Jacinto Mtns., Margin of Lake Surprise [=Hidden Lake] 2744 Comment
  SD152759  Potentilla glandulosa subsp. glandulosa Steve Boyd, Tim Ross 1992-5-5 7249 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. South of Oak Flats, southwest of the Bluewater Trail 730 Comment
  CAS-BOT-BC144850  Potentilla rimicola Frank W. Peirson 1924-7-27 5000 Riverside 1/2 mile west of Deer Spring, San Jacinto Mts. Comment
  OBI40586  Proboscidea louisianica Steve Boyd 1984-9-20 s.n. Riverside Mead Valley, 4.5 mi NW of Perris, along Cajalco rd, 0.2 mi E of its intersection with Clark St (Old Elsinore Rd) Comment
  JEPS65585  Prosopis glandulosa var. torreyana W. L. Jepson 1901-5-22 1378 Riverside Palm Canyon and return to Van Deventer's Ranch, journey from Riverside to Santa Rosa Peak and Palomar, Southern California Palm Canyon Comment
  RSA11597  Prosopis glandulosa var. torreyana C. Epling, Wm. Robison 1933-6-24 s.n. Riverside San Gorgonio Wash Comment
  RSA594516  Prosopis glandulosa var. torreyana D. L. Banks, Rashmi Pant 1996-5-13 1021 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Approximately 2.1 km E of the Dripping Springs Guard Station, S of the junction between the Vail Lake Marina Road and Hwy. 79., Just N of the Cleveland National Forest Boundary. 472 Comment
  RSA0048468  Prosopis juliflora var. torreyana A. Lee Haines 1962-4-17 s.n. Riverside Box Canyon. 274 Comment
  LA47424  Prosopis pubescens Carl Epling; 1932-11-9 sn Riverside Murray Canyon, Palm Springs Comment
  SEINET3076903 Image available Prunus fremontii W. H. Earle 1977-1-14 Riverside Rte 74, 10 mi S of Palm Desert, Santa Rosa Mountains. 945 Comment
  UCR101454  Prunus ilicifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22219 Riverside San Bernardino Mtns., Morongo Indian Reservation, Middle Branch of Millard Canyon 1341 Comment
  UCR16764  Prunus ilicifolia D. C. Wald 1967-5-13 s.n. Riverside Perris-Aguanga Basin region, Bernasconi Hills near Lakeview, on slope opposite Big Rock 503 Comment
  UCD84942  Psathyrotes ramosissima Chuck Hughes 2010-3-25 214 Riverside About 400 ft north of Arlington Mine Road, next to railroad tracks. 220 Comment
  UCR148326  Psathyrotes ramosissima 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
  UCSB57884  Psathyrotes ramosissima Wolf, Carl 1932-4-26 Riverside Colorado Desert, 5 mi. E. of Mecca, on Blythe Road 30 Comment
  CAS-BOT-BC356598  Pseudognaphalium biolettii Carl B. Wolf 1932-2-11 2644 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. West of Corona, base of Skyline Drive 405 Comment
  RSA180326  Pseudognaphalium biolettii E. W. Lathrop 1965-4-4 5620 Riverside 8 miles west of Murrieta Comment
  RSA276746  Pseudognaphalium biolettii John F. Emmel 1978-2-2 588 Riverside Along SW base of San Jacinto Mts, Canyon, 2 air miles NW of Soboba Hot Springs. 610 Comment
  SEINET2054133 Image available Pseudognaphalium californicum D. H. Eslinger 1970-5-29 Riverside 4 mi. E of Riverside, 50 m N of 9725 Pigeon Pass Rd. 365 Comment
  SD232607  Pseudognaphalium canescens Scott D. White 1996-8-15 4471 Riverside San Jacinto Mts: Idyllwild area: Alvin Meadows and unnamed canyon upstream. Site is at upper margin of area burned in July 1996. 1525 Comment
  UCR281885  Pseudognaphalium leucocephalum R. E. Riefner Jr. 2017-8-26 17- 441 Riverside Murrieta Valley, city of Murrieta, Miller Canyon area, wash located vicinity to New Clay Street and Ivy Street 334 Comment
  UCR277743  Pseudognaphalium microcephalum Mitch Provance 2012-10-15 1012- 04 Riverside Badlands of Western Riverside County, San Timoteo Creek, about 3.5 miles west of Beaumont, N side of Hwy. 60 1479 Comment
  LA6325  Pseudotsuga macrocarpa Carl Epling; April 1937 sn Riverside San Jacinto Mountains, above Herley Creek Camp Comment
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Feb 23 2014
  UCR178347  Pseudotsuga macrocarpa Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1052 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  RSA737431  Psilocarphus brevissimus var. brevissimus Justin M. Wood 2008-8-31 125 Riverside Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  UCR166810  Psilocarphus chilensis R. E. Riefner Jr. 2005-4-22 05- 239 Riverside Patton Rd. at Patterson Ave., SE of Winchester near San Diego Aqueduct 452 Comment
  RSA581690  Psilocarphus tenellus var. globiferus B. Leatherman 1995-5-4 s.n. Riverside Base of low hills south of Winchester in roadside ditch along west side of Highway 79, about 1/4 mile north of intersection with Newport Road 463 Comment
  RSA689438  Psorothamnus arborescens var. simplicifolius Scott D. White, Michael Honer 2003-5-13 9238 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon washWhitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
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Nov 27 2012
  UC73147  Psorothamnus arborescens var. simplicifolius R. J. Smith 1904-1 308 Riverside near Palm Springs (Colo. Desert, Southern California); Colo. Desert (Colorado Desert), near Palm Springs Comment
  UCR16205  Psorothamnus arborescens var. simplicifolius K. T. Ingram 1976-5-1 s.n. Riverside San Bernardino Mtns., Morongo Valley, 0.25 mi. south of intersection of Route 62 and Mission Creek Road. Comment
  CAS-BOT-BC353627  Psorothamnus emoryi B. D. Stark 1930-4-2 784 Riverside West of Indio 0 Comment
  CAS-BOT-BC353646  Psorothamnus emoryi Louis C. Wheeler 1931-11-26 392 Riverside 2 miles SE of Salton Bench Mark, Colorado Desert -67 Comment
  RSA450120  Psorothamnus emoryi J. C. Roos 1966-5-2 s.n. Riverside Palm Springs. Comment
  UCR245747  Psorothamnus emoryi Duncan S. Bell 2009-4-18 211 Riverside Arica Mountains, NW of range, c. 1.6 air miles south of Hwy 62 and c. 0.4 air mi. N of California aqueduct 389 Comment
  CAS-BOT-BC340954  Psorothamnus spinosus Marcus E. Jones 1926-6-8 s.n. Riverside Palm Spring Comment
  JOTR32399  Psorothamnus spinosus Harding, Mitzi, A. Benton 2011-7-13 16 Riverside Joshua Tree National Park. Pinto Basin; Smoke Tree Wash; sandy, open flat along Pinto Basin road, just north of Smoke Tree Wash 809 Comment
  POM46967  Psorothamnus spinosus Mary F. Spencer 1918-3-27 756 Riverside Palm Springs. 137 Comment
  RSA690863  Pteridium aquilinum var. pubescens Norman C. Cooper 1944-6-17 1384 Riverside San Jacinto Mts., above Banning. 1372 Comment
  SFV13153  Pteridium aquilinum var. pubescens M. J. Thor 1982-9-17 144 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  SEINET8713957 Image available Pteris aquilina Jean Coulson 1959-1 s.n. Riverside San Jacinto Mts. Riverside CountyCalifornia 4 mi. N of Pine Grove on Fork of San Jacinto, Ele. 5000 ft. , On Banning road. 100 yds up stream. Comment
  POM19645  Pterospora andromedea Mary F. Spencer 1923-7-30 2270 Riverside Banning road prope [near] Idyllwild. San Jacinto Mt. 1829 Comment
  POM13039  Pterostegia drymarioides P. A. Munz, D. D. Keck 1922-4-13 4948 Riverside Eagle Mountains. 244 Comment
  SBBG35162  Pterostegia drymarioides T. L. Secrest 1948-4-7 Riverside 5 mi below Whitewater 274 Comment
  JOTR32641  Purshia tridentata var. glandulosa La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2562 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (Stop 3) 1362 Comment
  CAS-BOT-BC460831  Pyrola aphylla S. B. Parish; W. F. Parish 1892-6-1 1506 Riverside San Jacinto Mts. Comment
  UCR3754  Pyrola aphylla Frank C. Vasek 1964-7-12 640712- 01 Riverside Peninsular Range; San Jacinto Mountains, Pine Cove 1878 Comment
  RSA39351  Quercus P. A. Munz 1946-10-21 11591 Riverside Live Oak Tank, Joshua Tree National Monument. 1220 Comment
  RSA0031050  Quercus Robert F. Thorne, P. Everett 1966-10-18 41855 Riverside Santa Rosa Mountains Comment
  CAS-BOT-BC61818  Quercus agrifolia Peter Raven 1958-5-18 12982 Riverside 3.0 miles east of junction to Aguanga, San Jacinto Mountains Comment
  RSA614235  Quercus agrifolia A. C. Sanders, G Helmkamp 1997-3-15 19979 Riverside Lake Skinner area, N foot of 1700 ft. hill E of Bachelor Mtn., 488 Comment
  SD193293  Quercus agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31543 Riverside Upper Bautista Canyon, 0.8 mile below Trip[p Flat Road. 1128 Comment
  UCR100029  Quercus agrifolia A. C. Sanders, G. Helmkamp 1997-3-15 19979 Riverside Lake Skinner area, N foot of 1700 ft. hill east of Bachelor Mtn., small canyon and grassy S-facing slopes 488 Comment
  UCR158905  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31550 Riverside San Jacinto Mtns., western edge of Vandeventer Flat along Hwy 74 1433 Comment
  UCR163407  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 05- 594 Riverside San Bernardino National Forest: San Jacinto Mountains, 0.7 miles west of Santa Rosa Mountain Rd on SR 74 near Vandeventer Flat 1369 Comment
  UCSB1042  Quercus agrifolia var. oxyadenia Neely, William 1948-10-3 Riverside above Pinyon Flats, Santa Rosa Mts. 1193 Comment
  RSA748221  Quercus berberidifolia T. Scott, A. Townesmith, K. M. Meyer 2007-3-9 112 Riverside Cleveland National Forest. 0.8 mile down Woodridge Rd. in town of Oak Grove, at Oak Grove trailhead. 855 Comment
  SEINET7249070  Quercus berberidifolia Jeremiah George 2012-1 Riverside Comment
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Nov 18 2015
  UCR26582  Quercus berberidifolia John LaSalle 1982-5-4 4 Riverside Peninsular Range, 2.4 mi west of Radec across the Hwy from Vail Lake turnoff from Hwy 79. Comment
  UCR53306  Quercus berberidifolia Steve Boyd 1987-11-23 2098 Riverside Perris-Aguanga basin region, Mt. Russell, north of Lake Perris, Moreno Valley. 762 Comment
  OBI14295  Quercus chrysolepis H. E. McMinn 1925-7-2 1496 Riverside Tahquitz Peak Trail, San Jacinto Mts Comment
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Jun 21 2012
  UC5514  Quercus chrysolepis H. M. Hall Aug 1901 2541 a Riverside Canyon of the San Jacinto River San Jacinto Mountains 1219 Comment
  CAS-BOT-BC62442  Quercus cornelius-mulleri Annie M. Alexander; Louise Kellogg 1941-5-26 2243 Riverside Eagle Mountains, Monsen Canyon 914 Comment
  UCD142136  Quercus cornelius-mulleri Mike Lahti 2012-4-5 PDR# 159032 1 Riverside Anza. 1219 Comment
  UCR117256  Quercus cornelius-mulleri A. C. Sanders, S. D. Boyd, Mitch Provance, J. Ross 1998-10-25 22288 Riverside San Jacinto Mtns., along Hwy 74, 4.4 mi. east of Hwy 371 junction to Anza, just east of Vandeventer Flat 1387 Comment
  SEINET2066423 Image available Quercus dumosa B. Pitzer, Jack Easton 1987-3-10 412 Riverside Anza Area, hills S of Thomas Mtn., ca. 3 miles E of town of Anza on N side of Hwy 371, Butterfly Peak Quad. 1341 Comment
  UC455267  Quercus kelloggii I. J. Condit 1910-6-24 Riverside San Jacinto Mts. 914 Comment
  SD146252  Quercus palmeri A. C. Sanders, Mitch Provance 1998-5-14 21848 Riverside Jurupa Mountains, Rattlesnake Mountain, Crestmore, above watertank west of Cedar Ave., above intersection of Andalusia & Malaga Streets, NW-facing slope of hill, on ridgetop between rock outcrops & cliffs; Fontana 7.5' quad. 366 Comment
  UCD47105  Quercus palmeri James E. Cole 1947-2-6 1001 Riverside Lower Covington Flat (SW 1/4 of the SE 1/4 of Section 6, T1S, R6E, San Bernardino Base, Meridian). 1463 Comment
  UCR111513  Quercus palmeri A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22279 Riverside San Jacinto Mtns., Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  RSA33879  Quercus turbinella N. C. Cooper 1944-5-20 1307 Riverside Palms to Pines Hwy., San Jacinto Mtns. 1220 Comment
  RSA0127037  Quercus wislizeni Tom Scott 2011-04 2011 -571.1 Riverside San Bernadino Mtns: south side of mountains in Bannin Canyon on USFS road 2S01, c. 6.5 miles up canyon. 1492 Comment
  CAS-BOT-BC362517  Rafinesquia californica Annie M. Alexander; Louise Kellogg 1941-5-7 2130 Riverside 12 miles southwest of 29 Palms, Joshua Tree National Monument 1310 Comment
  RSA613719  Rafinesquia californica D. L. Banks 1997-4-5 1694 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  RSA702743  Rafinesquia californica Scott D. White, Michael Honer 2004-4-6 10038 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  UCR106423  Rafinesquia californica George K. Helmkamp, A. C. Sanders 1997-3-15 1486 Riverside Skinner Lake, Grassland at base of Bachelor Mtn. and adjoining chapararal. 488 Comment
  UCR178512  Rafinesquia californica R. G. Swinney 1967-2-12 0014 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  UCR91351  Rafinesquia californica Scott D. White, Marty Jacobsmeyer 1996-4-20 3955 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  CAS-BOT-BC362622  Rafinesquia neomexicana H. M. Hall; L. A. Greata 1905-4-1 5873 Riverside Chuckawalla [Chuckwalla] Mts. Comment
  CAS-BOT-BC362631  Rafinesquia neomexicana F. O. Ballou 1926-3-27 s.n. Riverside Murray Canon [Canyon] Comment
  JOTR35057  Rafinesquia neomexicana La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3509 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  RSA703469  Rafinesquia neomexicana LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1413 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  SBBG8705  Rafinesquia neomexicana C. H. Muller 1952-4-6 9499 Riverside ca. 2 mi E of Shavers Summit, E of S entrance of Joshua Tree Nat Monument Comment
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Apr 24 2011
  UC566695  Rafinesquia neomexicana Margaret Stason 1927-3-12 Riverside Colorado Desert, Painted Canyon Comment
  CAS-BOT-BC378984  Ranunculus aquatilis var. diffusus P. A. Munz 1922-4-28 5022 Riverside 5 mi northwest of Corona in small branch of Chino Creek 229 Comment
  RSA0013146  Ranunculus californicus var. californicus LeRoy Gross, Caitlin Elam 2013-5-14 6072 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR79255  Ranunculus hebecarpus Steve Boyd, T. S. Ross, Orlando Mistretta 1992-3-31 6759 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Tenaja Trail from junction with Morgan Trail S to Pigeon Spring area 793 Comment
  RSA525340  Raphanus sativus Steve Boyd, Andy Sanders, Mark Skinner 1990-4-28 4439 Riverside Vail Lake area, SW base of Big Oak Mtn. at mouth of Temecula Creek Cyn. below dam. 396 Comment
  UCR231042  Rhamnus californica A. C. Sanders, Kent Beaman 2011-9-27 39922 Riverside Peninsular Range; Santa Ana Mtns., Main Divide Truck Trail, 0.95 km ENE (78 deg. ) of Santiago Peak summit 1402 Comment
  RSA544415  Rhamnus crocea Steve Boyd, Tim S. Ross 1991-6-14 6383 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  CAS-BOT-BC56052  Rhamnus ilicifolia Vernon Bailey 1907-7-26 1194 Riverside Temescal Comment
  RSA391108  Rhamnus ilicifolia Christopher Davidson 1977-5-18 5620 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  UCR193919  Rhamnus ilicifolia A. C. Sanders, Mitch Provance 2008-7-11 35790 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  RSA496734  Rhamnus ilicifolia B. Pitzer, A. C. Sanders 1987-4-21 494 Riverside Box Springs Mtns, near southernmost radio towers 793 Comment
  RSA516741  Rhus ovata Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA736736  Rhus ovata Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10684 Riverside Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  UC1329869  Rhus trilobata James E. Cole 1941-5-23 775 Riverside Split Rock Area; Joshua Tree National Monument 1280 Comment
  UC69861  Ribes cereum H. M. Hall May 17 1901-Jun 1 1901 1914 Riverside Santa Rosa Peak Comment
  CLARK-A1528-6880  Ribes indecorum John C. Roos 1946-12-27 3194 Riverside Box Springs Mountains Comment
  RSA614518  Ribes indecorum A. C. Sanders 1994-1-30 14226 A Riverside Box Springs Mtns at the head of Two Trees Canyon. 686 Comment
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Apr 3 2011
  UCR125763  Ribes indecorum A. C. Sanders, Lowell J. Bean, Pesach Lubinsky, et al 2003-1-10 25660 Riverside San Jacinto Mountains, Bautista Canyon, at road crossing of creek c. 1 mile above Alessandro Trail 930 Comment
  UCR138809  Ribes indecorum D. L. Banks, J. Moreno 1997-2-5 1253 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  SD229187  Ribes nevadense Dick Schwenkmeyer 2012-6-27 753 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  SEINET238553 Image available Ribes nevadense George K. Helmkamp 1998-6-27 4126 Riverside Santa Rosa Mtns.: 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of Santa Rosa Spring. 2232 Comment
  CAS-BOT-BC212235  Ribes quercetorum Philip A. Munz 1937-5-31 15120 Riverside Anza Tablet, head of Coyote Canyon, S.W. Riverside County 1066 Comment
  SD2151  Ribes quercetorum Clyde Searles 1928-11-1 Riverside Near Aguanga Comment
  UCR209336  Ribes roezlii Fred M. Roberts, Robt. L. Allen 2008-6-23 7055 Riverside Santa Ana Mountains, Santiago Peak, north slope, Main Divide Truck Trail, 0.4 km north-northeast of summit 1639 Comment
  RSA162822  Ribes speciosum J. D. Olmsted 1959-2-28 s.n. Riverside Turn S on Lincoln in west Corona, after 3 miles turn W on Chase Dr, s on Oak flat fire road for 4 miles past Olive trees at Oak Flat, Santa Ana Mts. 823 Comment
  SBBG133563  Ricinus communis S. D. White, A. Carey 2004-7-2 10596 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Poppet Crk Cyn 549 Comment
  SD239844  Romneya coulteri A. C. Sanders, John F. Green 2012-6-1 40222 Riverside Peninsular Range; Santa Ana Mtns. Region: hills between I-15 and Temescal Canyon Rd., 0.22 km south (178a^z) of El Hermano Rd. junction with Temescal Canyon Rd., NW of Lee (Corona) Lake. 324 Comment
  SEINET3245813  Romneya coulteri A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-1 38413 Riverside Peninsular Range: southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. at north end of Black Powder Rd. (Alberhill 7.5') 399 Comment
  POM11501  Rubus parviflorus Philip A. Munz 1922-7-6 6028 Riverside San Jacinto Mountains: north fork of Tahquitz Creek. 2226 Comment
  RSA220998  Rubus ursinus E. W. Lathrop 1966-3-30 6122 Riverside Mail Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest. 1220 Comment
  RSA741212  Rumex acetosella Scott D. White, Justin M. Wood 2008-5-15 11989 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  RSA662065  Rumex conglomeratus J. C. Roos 1952-6-10 5759 Riverside Fairmount Park Comment
  UCR155043  Rumex obtusifolius A. C. Sanders, Kelly Volansky 2005-3-17 29226 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR39467  Rumex salicifolius var. denticulatus A. C. Sanders 1980-7-22 1733 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  RSA627516  Rumex salicifolius var. salicifolius Scott D. White 1998-7-31 6930 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  OBI38316  Rumex violascens Oscar F. Clarke 1985-5-13 s.n. Riverside San Jacinto River valley, gun club ponds E of David Rd a short distance N of Lakeview, E of the Bernasconi Hills 427 Comment
  CAS-BOT-BC129742  Salix bonplandiana Marcus E. Jones 1927-4-12 5 M-11-26 Riverside The Pipes, near Morongo Valley Comment
  POM319629  Salix exigua Patricia Wilder 1971-11-11 5294 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  UCR113546  Salix gooddingii Mitch Provance 1998-6-6 685 B Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  RSA500093  Salix laevigata Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3217 Riverside Vail Lake area, riparian woodland area at N end of Kolb Creek, near campground. 457 Comment
  UCR232059  Salix laevigata John F. Green 2008-4-23 07- 08 Riverside Peninsular Range, hills south of Perris, powerline route above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 439 Comment
  RSA0035638  Salix lasiolepis Phil Elliott 1981-2-16 9 Riverside On Santa Rosa Road, 3.9 miles west of CA Hwy. 74. Comment
  CAS-BOT-BC125731  Salix nigra Marcus E. Jones 1930-4-2 26030 Riverside Blythe Comment
  CAS-BOT-BC176911  Salsola tragus T. C. Fuller 1975-11-6 20115 Riverside Northeast corner of Monroe Street & Interstate 10 freeway, Indio Comment
  RSA777155  Saltugilia australis Steve Boyd, Susan G Jett 2008-3-20 11835 Riverside Peninsular Ranges: Santa Ana Mountains region: Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hwy Vehicle Area. Comment
  SBBG28434  Saltugilia australis D. Myrick 1964-4-30 834 Riverside Palms to Pines Hwy 74, 12 mi W of Palm Desert 1066 Comment
  CAS-BOT-BC489623  Saltugilia latimeri A. C. Sanders 2006-5-13 32282 Riverside Peninsular Range: UC Emerson Oaks Reserve, c. 8 mi SE of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Rd in vicinity of water tank 487 Comment
  RSA388499  Salvia carduacea Steve Boyd 1986-5-1 1818 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  UCLA70110  Salvia carduacea L. Haines and L. Erickson 1937-4-9 Riverside near Winchester Comment
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Mar 20 2011
  UCR163422  Salvia coccinea B. G. Pitzer 2001-9-19 s.n. Riverside Riverside: UCR Campus, on Eucalyptus Dr. 335 Comment
  RSA793534  Salvia columbariae Naomi S. Fraga, David Fracker, Tommy Stoughton 2012-3-15 3943 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  SD249232  Salvia columbariae J. Mark Porter, Lauren E. Machen 1997-2-15 11422 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 miles NE of the Highway 74 exit at Lake Elsinore. 390 Comment
  SFV4252  Salvia columbariae W. A. Emboden, Jr. 1962-4-26 2050 b Riverside Palms to Pines Highway. Comment
  UCR154395  Salvia columbariae A. C. Sanders, Mike Misenhelter 2005-6-15 30973 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
  UCR4171  Salvia columbariae R. H. Sauer 1965-4-7 s.n. Riverside Box Springs Mtns., just east of [railroad] tracks c. 0.25 mi. south of end of Big Springs Road, Riverside. 366 Comment
  CAS-BOT-BC221085  Salvia eremostachya Ynez Whilton Winblad 1937-4-23 s.n. Riverside Box Canyon Comment
  UC1463875  Salvia eremostachya Jeanine Derby 1976-4-28 Riverside Santa Rosa Mts. 1158 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
  RSA751926  Salvia mellifera Scott D. White, Justin M. Wood 2009-5-22 12931 Riverside San Jacinto Mts: Old Control Road, below Halfway Spring. 793 Comment
  SEINET11196321  Salvia mellifera Unknown 2006-5-13 32275 Riverside Temecula Comment
  UC667386  Salvia mohavensis Annie M. Alexander and Louise Kellogg 1941-5-21 2212 Riverside n slope Eagle Mountains; Colorado Desert 1280 Comment
  CAS-BOT-BC233329  Salvia vaseyi Alice Eastwood 1913-4-30 3083 Riverside Palm Springs Comment
  SFV3229  Salvia vaseyi P. G. Kilburn 1958-5-16 802 Riverside San Jacinto Mountains 5 miles south of Palm Desert on Palms-Pines Highway (Highway 74). 915 Comment
  UC73592  Salvia vaseyi H. E. Wilder 1906-1 Riverside e of San Gorgonio (along Mission Creek); Colorado Desert, Mission Creek Comment
  RSA500140  Sambucus mexicana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3669 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  RSA650335  Sambucus mexicana G. Foster 1961-5-12 s.n. Riverside Highway to Idyllwild, Beaumont side. Comment
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Feb 18 2013
  UCR160530  Sanicula arguta John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  HSC85419  Sanicula bipinnatifida Steve Boyd 1986-3-9 1397 Riverside Temescal Canyon, between Indian Truck Trail and Horsethief Wash 366 Comment
  RSA689449  Sanicula bipinnatifida Scott D. White, Michael Honer 2003-4-9 8984 Riverside About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  RSA674616  Sanicula crassicaulis Scott D. White, Sandy Leatherman 2000-5-31 7982 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  UCR29260  Sanicula tuberosa A. C. Sanders, K. Berg 1980-5-1 01358 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  RSA0035179  Sarcostemma M. Bourell 1988-3-28 3511 Riverside Box Canyon, BLM California Conservation Area. E of Mecca on Hwy 195. 150 Comment
  CLARK-A1528-1468  Sarcostemma cynanchoides John C. Roos 1940-8-20 906 Riverside Reche Canyon Comment
  SEINET244780  Sarcostemma cynanchoides A. C. Sanders, Mitch Provance; T. B. Salvato 2001-5-7 24174 Riverside Perris-Aguanga Basin; S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi E of State St., between Silver Dew Dr. and Morse Girard St., Slopes and wash below the mouth of Avery Canyon 503 Comment
  UCR33583  Sarcostemma cynanchoides Faulkner 1978-4-27 506 Riverside Eastern Colorado Desert, 22 mi NW of Blythe, north and west of Midland 306 Comment
  LA202870  Sarcostemma cynanchoides subsp. hartwegii Unknown; 1951-5-26 sn Riverside San Jacinto Canyon, Cranston Ranger station Comment
  SEINET8191806  Sarcostemma cynanchoides subsp. hartwegii D. W. Taylor 2003-5-6 18521 Riverside 1.15 miles NNE of Cabazon, along access road paralleling powerlines. 640 Comment
  UC1546665  Sarcostemma cynanchoides subsp. hartwegii Barry A. Prigge 1988-2-21 7858 Riverside 2 mi. w. Clemens Well; Colorado Desert, Orocopia Mts. 228 Comment
  JOTR30117  Schismus arabicus La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1683 Riverside Joshua Tree National Park. Stop # 2 = Pinto Basin near Sandhill 538 Comment
  CLARK-A1528-5533  Schismus barbatus John C. Roos 1951-3-24 5033 Riverside Riverside 396 Comment
  SDSU12523  Schismus barbatus Tahirih Linz, M. G. Simpson 2000-4-1 8 Riverside Comment
  UC907586  Schismus barbatus Curtis Bowser 1946-3-13 Riverside near Thermal Comment
  UCR228927  Schismus barbatus A. C. Sanders 2011-4-6 39008 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  POM78931  Schoenoplectus acutus var. occidentalis I. M. Johnston 1925-7-7 5283 Riverside Santa Ana River ca. 3 miles S of Wineville [Mira Loma Station]. 183 Comment
  JOTR36427  Schoenoplectus americanus La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3372 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  POM186279  Scirpus acutus var. occidentalis Joseph A. Ewan, C. Epling 1933-5-12 7604 Riverside South shore Lake Elsinore. Comment
  RSA627457  Scirpus microcarpus Scott D. White 1998-7-31 6956 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Drive and Hymber Park. 1707 Comment
  UCR92354  Scirpus robustus Scott D. White, S. Ogg 1994-10-17 2501 Riverside City of Temecula, Murrieta Creek channel at confluence with Santa Gertrudis Creek 320 Comment
  OBI74594  Scrophularia californica David J. Keil 1983-4-15 16903 Riverside E of Temecula on SR79 Comment
  RSA160553  Scutellaria bolanderi subsp. austromontana J. D. Olmsted 1959-3-7 728 Riverside Strawberry Creek just above drop off near Isomata below Idyllwild. Alt: 4950 ft. 1509 Comment
  SBBG6521  Scutellaria siphocampyloides H. and M. Dearing 1940-6-9 4361 Riverside Palms to Pines Hwy near Herkey Crk Comment
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Mar 10 2013
  SBBG71220  Scutellaria siphocampyloides Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Mtns [probably near Idyllwild] Comment
  UC456122  Scutellaria siphocampyloides I. J. Condit 1900-6-21 Riverside near Idlewild; San Jacinto Mountains 1524 Comment
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Sep 17 2011
  CLARK-A1528-3130  Scutellaria tuberosa John C. Roos 1950-3-18 4715 Riverside Comment
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Feb 27 2016
  LA209602  Selaginella asprella Lawrence L. Kiefer; 1963-9-15 954 Riverside San Jacinto Mountains, N fork San Jacinto River (Dark Cyn.), ca. 2.5 mi above Dark Canyon Camp 1981 Comment
  RSA0016357  Selaginella bigelovii Duncan S. Bell, David Bernie, Kurt Broz, Kim Clark, James Fournier, Shasta Gaughen, Holly Gray, Ed Howland 2013-6-7 5040 Riverside Pala Indian Reservation, back behind the water tower on the southern flanks of Tourmaline Queen Mountain. 177 Comment
  RSA413254  Selaginella bigelovii James C. Dice, T. Chung 1987-10-19 736 Riverside North side of Temecula Gorge, ca. 0.4 km ENE of Field Station site (just SE of Weather Station), overlooking Santa Margarita River. 323 Comment
  SD81677  Selaginella bigelovii Louis C. Wheeler 1931-10-2 177 Riverside San Jacinto Mountains, Hemet-Idyllwild Road 915 Comment
  UC371116  Selaginella bigelovii Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR147704  Selaginella eremophila L. C. Wheeler 1964-10-17 8639 Riverside Sonoran (Colorado) Desert, N slope of Orocopia Mountains; southerly from Hayfield Reservoir (lake) Comment
  UCR166764  Senecio californicus Scott D. White, Jennifer H. Jones 2005-5-25 11109 Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately N of San Diego County line 579 Comment
  LA203925  Senecio flaccidus var. douglasii Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, San Gorgonio Wash, near Banning Comment
  UCR34949  Senecio flaccidus var. douglasii L. B. Ziegler 1964-8-20 041 Riverside San Jacinto Mtns, Garner (Hemet) Valley. 1372 Comment
  UCR89987  Senecio flaccidus var. douglasii Scott D. White, S. J. Myers 1995-10-21 3723 Riverside San Jacinto Valley, Eastern foothills of San Jacinto Valley,'Santa Rosa Hills', south of Hemet. Foothills just above orange grove. 610 Comment
  SEINET5584421  Senecio lemmonii Stephen Hale 2010-1 Riverside Along power line, adjacent to State Route 95 110 Comment
  CLARK-A1528-2087  Senecio mohavensis John C. Roos 1949-4-10 4223 Riverside Chuckwalla Mountains Comment
  SD258896  Senecio mohavensis Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7650 Riverside Mecca Hills; Side canyon along Painted Canyon Road NE of Mecca, NW of Box Canyon, Near Tertiary Mecca formation (shale, red-gray sandstone conglomerate) & Upper Ocotillo Formation 170 Comment
  UCR217798  Senecio mohavensis Jim Andre, T. La Doux 2010-2-28 12555 Riverside Lower Colorado River Valley, along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower 83 Comment
  UCR24163  Senecio vulgaris John C. Roos 1967-2-7 s.n. Riverside San Jacinto Valley, City of Hemet 518 Comment
  UCSB2959  Senegalia greggii DeWitt, Jack 1959-5-18 Riverside 5.3 miles W of Palm Desert on the Palms to Pines Hwy. (74) 152 Comment
  RSA1193  Senna armata B. D. Stark 1930-5-25 1619 Riverside Chuckawalla Valley, Colorado Desert Comment
  UCR113880  Setaria gracilis Mitch Provance 2000-6-24 2060 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  CDA2457  Setaria viridis Steve Boyd 1989-7-9 3772 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  RSA680539  Sidalcea malviflora Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9595 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment