Search Results — 2000 specimen records retrieved (1893 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/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SBBG94634  Abies concolor F. C. Vasek, K. Neisses 1979-7-26 790726 -1 Riverside N of Toro Peak at Virgin Spring Comment
  CAS-BOT-BC229337  Abronia villosa A. C. Sanders 2010-3-15 37413 Riverside Sonoran (Colorado) Desert: pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UCR20827  Abronia villosa A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1332 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
  POM310385  Abronia villosa var. aurita Margaret Hardinge 1946-4-15 247 Riverside Just east of Banning along hwy. Drainage area: Salton Sea. 701 Comment
  POM731  Abronia villosa var. aurita H. M. Hall 1902-4-19 2915 Riverside Vicinity of Winchester. 457 Comment
Read comments
Sep 24 2008
  RSA776904  Abronia villosa var. villosa Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 964 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. 243 Comment
  UCR22485  Abronia villosa var. villosa C. S. Jones 1979-2-24 9 Riverside Sonoran (Colorado) Desert, 6 mi. from Desert Center, NE Rice Road 183 Comment
  CAS-BOT-BC177004  Acacia redolens A. C. Sanders; T. B. Salvato 2001-3-30 23856 Riverside Perris-Aguanga Basin region: Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon W of junction of Av. ina Colada 366 Comment
  UCR263479  Acamptopappus sphaerocephalus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41504 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 3 miles east of Cabazon, south of I-10 and generally NE of water bottling plant 457 Comment
  CAS-BOT-BC174017  Achnatherum coronatum A. C. Sanders; T. B. Salvato; Kelly Volansky 2006-5-28 32649 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  RSA771661  Achnatherum coronatum Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4909 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  POM116672  Achnatherum hymenoides Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  SEINET1909743 Image available Achnatherum hymenoides Sarah De Groot 2005-1 5074 Riverside Inyo Mountains: Badger Flat near and of Mazourka Canyon Road, NW part of range. 366 Comment
  UC38406  Achnatherum hymenoides H. M. Hall May 1899 1163 Riverside base El Toro Mt.; San Jacinto Mts. 1402 Comment
  UC39992  Achnatherum parishii H. M. Hall June 1901 Riverside Kenworthy San Jacinto Mountains 1371 Comment
Read comments
Mar 25 2011
  UC39995  Achnatherum parishii H. M. Hall May 1899 1177 a Riverside El Toro Mt. San Jacinto Mountains 1524 Comment
  UC573955  Achnatherum speciosum H. S. Yates 1937-3-24 6463 Riverside near head of Deep Canyon; Thermal Quadrangle Comment
  RSA781363  Achyrachaena mollis A. C. Sanders, T. B. Salvato 2011-4-1 38942 Riverside Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill 409 Comment
  UCR226073  Achyrachaena mollis A. C. Sanders, T. B. Salvato 2011-4-1 38942 Riverside Peninsular Range, Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill 409 Comment
  CAS-BOT-BC384726  Achyronychia cooperi Roxana S. Ferris 1918-6-14 970 Riverside In desert at Palm Springs Comment
  POM13031  Achyronychia cooperi P. A. Munz 1922-4-14 4966 Riverside Indian Wells 91 Comment
  SD185215  Acmispon argophyllus T. B. Salvato, John F. Green 2004-5-27 632 Riverside Head of Banning Canyon close to the San Bernardino Co. line, 0.5 mile southeast of Oak Gklen Conservation Camp. 1402 Comment
  JOTR34325  Acmispon brachycarpus Andre, Jim 2012-4-11 20828 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  UCR265830  Acmispon glaber var. brevialatus Mitch Provance 2012-5-24 512- 12 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  RSA0071983  Acmispon heermannii var. heermannii J. M. Andre 2012-6-15 30522 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
  CHSC109255  Acourtia microcephala Scott D. White; Justin M. Hood 2008-6-18 12202 Riverside Hiking trail from K flat to Apple Canyon Road. T 5S, 6S R 3E S33, 4. 33 deg. 4241 min. N; 116 deg. 40 min W. 1396 Comment
  RSA0105949  Adenophyllum porophylloides Alan Romspert 2000-4-14 s.n. Riverside West of Dupont road, Chuckwalla Mountains. Comment
  SEINET232551  Adenostoma fasciculatum Sharon K. DuBois 1987-5-10 Riverside San Jacinto Mountains 1 mile up Bee Canyon off of Highway 74. Banning 15 minute quadrangle. 457 Comment
  CLARK-A1528-3059  Adenostoma sparsifolium Mike Cline 1966-11-23 Riverside San Jacinto Mountains Comment
  RSA453184  Adenostoma sparsifolium H. de Forest 1932-8-24 s.n. Riverside West side of San Jacinto Valley. Comment
  UC859042  Adenostoma sparsifolium I. W. Clokey and E. G. Anderson 1935-8-21 6674 Riverside w. Keen Camp P.O. 1200 Comment
  SDSU14178  Adiantum jordanii Kimberly S Miller, Dr. M. G. Simpson, Derek T Miller 2002-3-17 6 Riverside Santa Margarita Ecological Reserve. Up creek along east side of canyon from where Tornado road crosses Santa Margarita River. Comment
  OBI6574  Agave deserti H. E. McMinn 1935-10-27 4047 Riverside E of Ribbonwood Palms to Pines Hwy Comment
  CAS-BOT-BC46155  Agoseris heterophylla H. M. Hall 1901-6-1 2038 Riverside San Jacinto Mountains, south side 1341 Comment
  UC1930019  Agoseris heterophylla Scott D. White, Justin Wood 2008-5-15 11959 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom Comment
  UCR281826  Agrostis Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 107 Riverside Temescal Valley, South Corona, Warm Springs Dr. at intersection with Whitetail Dr., drainage likely associated with Anderson Canyon, adjacent to large swath of relict disturbed bottomland. 345 Comment
  CLARK-A1528-7824  Agrostis scabra John C. Roos 1937-8-18 494 Riverside San Jacinto Mountains Comment
  UCR24967  Agrostis scabra A. C. Sanders 1980-7-22 1699 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the north fork of the San Jacinto River, along Forest Service Road 4S02, 0.8 mi south of Dark Canyon Campground, c. 2 air mi north of Pine Cove. 1829 Comment
  UCR116074  Alchemilla occidentalis O. F. Clarke, Jeanine Derby 1974-4-13 s.n. Riverside Box Springs Mtns., E side of Box Springs Mtn. Rd. c. 1 mile above Pigeon Pass 686 Comment
  RSA90264  Alhagi camelorum W. T. Sevingle, A. B. Stout 1922-11-15 s.n. Riverside Indio, Coachella Valley Comment
Read comments
Aug 6 2013
  HSC87269  Allionia incarnata David Charlton 1988-2-18 1180 Riverside S side of Little San Bernardino Mtns., Fargo Canyon Rd. to Cottonwood Wash, S of Joshua Tree National Park, parallel to Hwy. 10, 5 mi. E of the jct. of Dillon Rd. and Fargo Canyon Rd. 762 Comment
  JOTR31897  Allionia incarnata La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2146 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash Comment
  UCR233943  Allionia incarnata Duncan S. Bell 2011-10-22 2996 Riverside Sonoran (Colorado) Desert, Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  UCR277615  Allionia incarnata Aaron C. Sedgwick, April Garbat 2012-10-17 139 Riverside Sonoran (Colorado) Desert, c. 0.25 mile south of Hwy I-10 on Cottonwood Springs [Box Canyon] Rd. 488 Comment
  SEINET11941862  Allionia incarnata M. T. Doutt 1931-1 779 Riverside Chino Canyon, Palm Springs Comment
  RSA367073  Allium burlewii E. C. Jaeger 1922-7-7 s.n. Riverside Slopes of Tahquitz Valley, San Jacinto Mountains. Alt. 7700 ft. 2348 Comment
  RSA0000106  Allium haematochiton J. C. Marvin 1921-4-1 3408 Riverside Near Banning. Comment
  RSA395903  Allium haematochiton Steve Boyd 1986-4-22 1780 Riverside Gavilan Hills: Summit of Estelle Mountain Comment
  RSA70224  Allium haematochiton F. W. Peirson 1919-4-14 1652 Riverside Murray Canyon, Palm Springs Region. 457 Comment
  UCD138539  Allium haematochiton Geoffrey Levin 1975-4-26 480 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. Pacific Slope Drainage Area. 335 Comment
  UCR133190  Allium haematochiton J. M. Stewart 1999-4-25 s.n. Riverside San Jacinto Mtns., canyon above Palm Springs Comment
  UCR261555  Allium marvinii John F. Green 2015-4-30 s.n. Riverside San Bernardino Mtns. Foothills, powerline route in hills north of Banning and west of Banning Canyon, east of Moore St. 898 Comment
  SBBG122759  Allium munzii A. Parikh 1990-4-23 153 Riverside E of Gavilan Pk, S of Harford Sprinkg Co Park, 0.1 km S of Ida Leona Rd, 0.9 km E of Gavilan Rd 625 Comment
  RSA495447  Allium peninsulare Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2975 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  UCR124659  Allium praecox B. C. Templeton, C. B. & I. W. Clokey 1930-4-15 1484 Riverside Gavilan Hills, north of Gavilan Peak, west of Perris 549 Comment
  UCR20520  Allophyllum divaricatum E. W. Lathrop 1966-5-25 6339 Riverside 9 mi. NW of Murrieta, at Los Alamos Ranch Comment
  SEINET2444444  Allophyllum gilioides A. C. Sanders, Tim Thomas; T. B. Salvato 2008-6-24 35563 Riverside Peninsular Range; San Jacinto Mtns. May Valley ca. 1.25 mi SW of Fleming Ranch, nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1555 Comment
  POM3528  Allophyllum glutinosum Jenkins, L. T. Street 1917-5-30 1948 Riverside San Jacinto Canyon. Comment
  POM47147  Alnus rhombifolia P. A. Munz, I. M. Johnston 1924-7-29 8868 Riverside San Gorgonio Canyon, North of Banning 1067 Comment
  RSA596152  Alnus rhombifolia D. L. Banks 1996-11-7 1189 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation, approximately 200 m NW of the spring on the northern fork of Pechanga Creek., At the E end of the Reservation. 457 Comment
  UCSB46786  Alstroemeria O. F. Clarke 1969-6-25 Riverside collected at 1012 Spruce Street Spruce Street 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
  SBBG94678  Amaranthus albus S. D. White 1990-9-25 Riverside Santa Rosa Plateau, ca. 5 mi. (airline) SW of Temecula, on Via Yerba Rd, E of Vaquero Rd; T8S, R 3W, on line between S 22 and 27 374 Comment
  UCR159257  Amaranthus albus A. C. Sanders, Kelly Volansky 2005-8-31 31590 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
  JOTR34146  Amaranthus blitoides La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler, D. Shade 2011-4-26 3163 Riverside Joshua Tree National Park. Pleasant Valley, south of Gold Coin mine complex; mud flats and sandy hummocks on valley floor (Stop 5) 959 Comment
  UCR116923  Amaranthus blitoides A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24222 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCR119444  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23101 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  UCR272653  Amaranthus fimbriatus Sarah J. De Groot, Amy Rouillard 2015-9-15 7573 Riverside along Eagle Mountain Road north of Hwy I-10, at large wash crossin west of Desert Center, western Chuckwalla Valley Comment
  RSA402998  Amaranthus hybridus J. S. Stubblefield 1940-9-27 s.n. Riverside growing on ranch near Temecula Comment
  RSA0093772  Amaranthus torreyi Duncan S. Bell 2015-9-30 8682 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  RSA289853  Ambrosia acanthicarpa B. A. Prigge 1980-9-16 4049 Riverside Indio. Coachella Valley Stormwater Channel. 0 Comment
  RSA736529  Ambrosia acanthicarpa Scott D. White, Angelia Carey 2004-7-2 10575 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  CAS-BOT-BC22602  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -329 Riverside Joshua Tree National Monument: about 3 mi S of Entrance to Cottonwood Springs Campground Comment
  CAS-BOT-BC22610  Ambrosia dumosa Samuel B. Parish 1907-4-23 6092 Riverside Palm Springs, Colorado Desert Comment
  CDA9976  Ambrosia dumosa A. C. Browne 1957-4-6 s.n. Riverside 6 miles east of Indio. 0 Comment
  CHSC98019  Ambrosia dumosa LeRoy Gross 2005-3-3 1602 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W to 33.72053N, 115.11051W. Alt: 207-244m. 207 Comment
  POM4810  Ambrosia dumosa Marjorie Shaw 1916-03 s.n. Riverside Palm springs Comment
  POM6766  Ambrosia dumosa Philip A. Munz 1919-5-7 2733 Riverside Palm Springs 198 Comment
  RSA0030752  Ambrosia dumosa Scott D. White 2000-3-23 7639 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion. 152 Comment
  RSA696754  Ambrosia dumosa J. Russell Bruff 1933-1-1 s.n. Riverside Travertine Point, south of Indio. Comment
Read comments
Oct 30 2011
  UC724342  Ambrosia dumosa Aven Nelson, Ruth A. Nelson 1939-3-30 3340 Riverside near, on Hwy 60; Desert Center Comment
  UC896715  Ambrosia dumosa C. L. Hitchcock 1940-3-29 5860 Riverside 100 yds e Spring; Cottonwood Canyon Comment
  UCR227439  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, D. Monks 2010-3-30 109 Riverside Northwestern Colorado (Sonoran) Desert, Coachella Valley Preserve, junction of Ramon Road and Thousand Palms Canyon Road, west of Thousand Palms north of powerline in Preserve 198 Comment
  UCR52229  Ambrosia dumosa Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2205 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  SEINET10725765  Ambrosia dumosa David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3612 Riverside Pushawalla Canyon, Indio Hills of the Colorado desert; west of Indio. Comment
  HSC47331  Ambrosia ilicifolia Richard Spjut, C. E. Edson 1978-5-6 5024 Riverside Colorado Desert; N face of Chuckawalla Mountains, ca. 2.7 miles south of Desert Center 335 Comment
  RSA668473  Ambrosia ilicifolia S. Granger 1979-2-18 s.n. Riverside Chuckawalla Mountains. Comment
  UCR281009  Ambrosia psilostachya Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 23 Riverside Temescal Valley, Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd. 363 Comment
  UCR261173  Ambrosia pumila A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41727 Riverside Elsinore Trough, north of Elsinore on east side of Baker St., 0.28 km east (74 deg. ) of large water tank above Baker, above a forking dirt road 392 Comment
  CAS-BOT-BC273000  Ambrosia salsola Cecil Hart 1927-3-30 s.n. Riverside Moronga Valley near Whitewater Comment
  CAS-BOT-BC273016  Ambrosia salsola Roxana S. Ferris 1918-6-17 1001 Riverside 5 miles east of Gruendikes Well, on Mecca - Blythe Road Comment
  CAS-BOT-BC273029  Ambrosia salsola Roxana S. Ferris 1953-4-20 12638 Riverside Road to Lost Palms Canyon ca. 4 mi. N of Shaver summit Comment
  CAS-BOT-BC273035  Ambrosia salsola F. A. M. 1936-3-20 14477 Riverside Morongo Valley Comment
  OBI16024  Ambrosia salsola Tracey Call, Viola Call 1962-4-6 2109 Riverside 3 mi S of Morongo Valley in desert 671 Comment
  SD229060  Ambrosia salsola Dick Schwenkmeyer 2012-11-6 862 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  LA210921  Amelanchier utahensis C. B. Wolf; 1931-5-11 1955 Riverside SAN JACINTO MOUNTAINS, near Pipe Creek, above Hemet Valley. 1676 Comment
  CSUSB988  Amsinckia intermedia Robert M. Hasegawa 1976-4-5 S. N. Riverside University of California, Riverside campus. 1/8 mile south of Perimeter Road. 274 Comment
  RSA523542  Amsinckia intermedia Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4002 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA702188  Amsinckia intermedia Scott D. White, Michael Honer 2004-3-11 9899 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  UCR138920  Amsinckia intermedia Julie A. Greene 1993-3-13 1002 Riverside San Jacinto River Valley, San Jacinto Wildlife Area. Weedy area between ranch fence and permanent pond 441 Comment
  RSA0089920  Amsinckia menziesii Duncan S. Bell 2010-4-1 671 Riverside Arica Mountains: west side of Rice Valley, about 1.2 air miles east of the Atchison, Topeka, and Santa Fe railway line, approximately 4.2 air miles east of Priest Well, and approximately 4.3 air miles southeast of the ghost town of Rice. 208 Comment
  UCR117647  Amsinckia menziesii Scott D. White, M. Jacobsmeyer 1996-4-20 3977 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  RSA799079  Amsinckia menziesii var. menziesii Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6876 Riverside South side of Joshua Tree National Park, Cottonwood Spring 915 Comment
  RSA0089937  Amsinckia menziesii var. menziesii Darin L. Banks, Victor W. Steinmann 1997-3-13 1467 A Riverside NW Palomar Mountains, Agua Tibia Mountains: Vail Lake area, north and just south of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  RSA0091473  Amsinckia tessellata C. L. Hitchcock 1940-4-2 5912 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  RSA782811  Amsinckia tessellata A. C. Sanders, Nathan Moorhatch 2011-3-22 38763 Riverside Powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 473 Comment
  JEPS61175  Amsinckia tessellata var. tessellata W. L. Jepson 1928-4-25 12619 Riverside Cottonwood Spring; Colorado Desert, Eagle Mountains 731 Comment
  RSA772408  Amsinckia tessellata var. tessellata Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4857 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
  UCR244876  Amsinckia tessellata var. tessellata Jim Andre 2012-3-19 21398 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  UCR65284  Amsinckia tessellata var. tessellata Steve Boyd, D. E. Bramlet, Harry Spilman 1989-4-30 3512 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, N edge of the Gavilan Plateau, east of Gavilan Creek 610 Comment
  UC667264  Amsonia tomentosa Annie M. Alexander and Louise Kellogg 1941-5-23 2225 Riverside 1/2 mi. n. Cottonwood Spring; Colorado Desert, Eaagle Mts. 914 Comment
Read comments
May 20 2012
  SEINET3088586 Image available Anagallis arvensis Ed LaRue 1989-3-30 Riverside Rancho California area, ca. 4 mi. W of Temecula, with Ave. del Oro as the N boundary. Comment
  UCR174111  Anagallis arvensis A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32515 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
  UCR49269  Anagallis arvensis Steve Boyd 1986-5-1 1804 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  RSA234062  Anagallis minima Robert F. Thorne, E. Lathrop 1969-5-19 37969 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado. 625 Comment
  RSA387349  Ancistrocarphus filagineus Steve Boyd 1986-4-10 1643 Riverside Temescal Canyon: Along DePalma Rd between Indian Truck Trail and Horsethief Canyon, 1 mi. E of Indian Truck Trail. Comment
  POM9765  Andropogon glomeratus Mary F. Spencer 1921-7-16 1693 Riverside In canyon near San Jacinto. Comment
  UCR172206  Anemopsis californica John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  RSA425790  Antirrhinum coulterianum R. S. Woglum 1941-5-17 3048 Riverside Peninsular Ranges / Sonora Desert jct: Coyote Canyon [Riverside/San Diego counties]. Comment
  RSA773132  Antirrhinum coulterianum Duncan S. Bell, Joy D. England 2010-6-7 1268 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 780 Comment
  SD186333  Antirrhinum coulterianum Andy C. Sanders, Mike Misenhelter 2005-6-15 30999 Riverside 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 340 Comment
  UC1537411  Antirrhinum coulterianum Gordon H. True Jr. 1935-4-10 223 Riverside Box Springs; Sycamore Canyon 365 Comment
  UCR133654  Antirrhinum coulterianum Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR121680  Antirrhinum kelloggii Ian G. Gillespie, Abby Sirulnik 2000-5-7 39 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 40 m SW of DePalma Road, directly across from Corona Lake 396 Comment
  UCR199644  Antirrhinum nuttallianum Scott D. White, Justin M. Wood 2008-4-3 11788 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  UCR230912  Antirrhinum nuttallianum T. B. Salvato, Richard Camacho 2011-6-12 5485 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  JEPS29307  Apiastrum angustifolium Rimo Bacigalupi and L. Heckard 1962-3-25 8402 Riverside about 10 air mi nw of Elsinore (near Arcilla siding of the A.T. & S.F. Railway, just below and e of state hwy 71, Temescal Wash); Temescal Wash 289 Comment
  UCR172225  Apiastrum angustifolium 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
  RSA463105  Apium graveolens Steve Myers 1987-6-24 s.n. Riverside Murrietta Creek, at confluence with Temecula Creek, near the town of Murrieta. 290 Comment
  RSA802255  Apocynum cannabinum Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5002 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  SD144082  Apocynum cannabinum G. Ballmer, K. Stockwell 1996-6-1 Riverside E of Murrieta: Warm Springs Creek ca. I(c) way between Murrieta Hot Springs Rd. and Los Alamos Rd. 366 Comment
  RSA161138  Aquilegia formosa Peter H. Raven, Richard Snow 1957-7-26 11111 Riverside San Jacinto Mountains: 2.0 miles S of Vista Grande Ranger Station, Banning-Idyllwild road. Comment
  POM366955  Aquilegia formosa var. truncata E. C. Jaeger 1921-7-2 s.n. Riverside Idyllwild, San Jacinto Mountains. 1585 Comment
  RSA629129  Arctostaphylos Jon E. Keeley 1992-7-17 16782 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629155  Arctostaphylos Jon E. Keeley 1992-7-17 16769 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629370  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16857 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629393  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19515 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  UCR215074  Arctostaphylos glandulosa Justin M. Wood 2009-3-10 352 Riverside San Jacinto Mountains, Near intersection of Hwy 243 and Twin Pines Rd. 1220 Comment
  RSA629431  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16841 Riverside Hwy 243, 38 km N of Idyllwild. 1485 Comment
  POM254917  Arctostaphylos glandulosa subsp. zacaensis W. Pequegnat 1940-4-13 s.n. Riverside Modjeska Peak, Santa Ana Mts. Comment
  RSA0097947  Arctostaphylos glauca Duncan S. Bell 2014-11-14 7726 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  RSA631741  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19267 Riverside Highway 79, 5 km west of Radec. 580 Comment
  HSC101788  Arctostaphylos parryana J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13205 Riverside Along State Route 74 1558 Comment
  RSA633540  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22665 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633564  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16614 Riverside Road to Santa Rosa Mountain, (7S02), 1.8 km south of Highway 74. 1560 Comment
  RSA633665  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21767 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633671  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20159 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633730  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16622 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA633756  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16709 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  POM48359  Arctostaphylos pringlei subsp. drupacea P. A. Munz, I. M. Johnston 1924-7-28 8796 Riverside Pine Flats 1738 Comment
  RSA249851  Arctostaphylos pringlei subsp. drupacea R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38123 Riverside San Bernardino National Forest, San Jacinto Mountains.: Above and in James Reserve. 1677 Comment
  RSA635640  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16683 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA70867  Arctostaphylos pringlei subsp. drupacea F. W. Peirson 1921-3-21 2386 Riverside Gordon Trail from Andreas Canyon, east base of San Jacinto Mts. 1829 Comment
  SDSU2823  Arctostaphylos pringlei subsp. drupacea Bruhns 1965-5-22 110 Riverside Around girl's dormatory of Desert Sun School in Idyllwild. Comment
  CAS-BOT-BC46339  Arctostaphylos pungens Peter H. Raven 1958-5-18 12981 Riverside 3.0 mi. e. of junction to Aguanga, San Jacinto Mts. Comment
  RSA271755  Arctostaphylos pungens J. Sauer, Richard Minnich 1977-4-7 5958 Riverside Upper Hurley Flat, San Jacinto Mountains 1311 Comment
  RSA1387  Arctostaphylos rainbowensis J. T. Howell 1928-7-9 399 Riverside Temecula Grade, 4 miles S of Temecula. 396 Comment
  RSA636156  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18812 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  RSA636173  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19480 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
  JEPS44373  Arenaria macradenia var. macradenia Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4274 Riverside about 1 mi below junction with spur to Santa Rosa Springs; Santa Rosa Mountain road Comment
  RSA722445  Argemone munita subsp. munita J. R. Bruff 1928-4-3 181 Riverside 13 miles W of Desert Center. Comment
  CAS-BOT-BC202503  Argythamnia serrata S. B. Parish 1907-4-16 6131 Riverside Whitewater. Western border of the Colorado Desert 200 Comment
  CAS-BOT-BC137651  Aristida adscensionis Ira L. Wiggins 1941-3-27 9676 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  JOTR31851  Aristida adscensionis La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2109 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA575735  Aristida adscensionis S. J. Darbyshire, J. Cayouette 1994-9-17 4638 Riverside Chuckwalla Valley 30 mile E [of] Desert Center, Highway 10 rest area. 90 Comment
  SD27948  Aristida adscensionis Carl B. Wolf 1932-4-27 2987 Riverside Colorado desert, 14 miles east of Mecca on Blythe Road (east of Shavers well). 152 Comment
  UCR92639  Aristida adscensionis George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  POM310162  Aristida adscensionis var. modesta Hulda Crooks 1946-3-2 271 Riverside Palm Springs area. 139 Comment
  SBBG93043  Aristida purpurea A. C. Sanders 1989-9-20 9513 Riverside Tabaseca Tank, in the extreme northern end of the Chocolate Mtns; Chocolate Mtns Aerial Gunnery Range 610 Comment
  UCR188224  Aristida purpurea Naomi Fraga, LeRoy Gross, B. Hogshead 2006-6-12 1704 Riverside Peninsular Ranges; San Jacinto Moutnains region: Along FS road west and paralleling Morris Ranch Road. c. 0.2 miles SW of the FS roads junction with Morris Ranch Road. NE of Garner Valley 1616 Comment
  RSA319744  Aristida purpurea var. purpurea Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Colorado Desert. Comment
  HSC25255  Artemisia californica Richard Spjut 1972-2-18 2209 Riverside ca. 4 miles south of Beaumont on Hwy.60 Comment
  RSA295237  Artemisia californica N. R. Zabriskie, W. M. Zabriskie 1972-12-25 548 Riverside On Trail to ridge above Eagle Peak, Andreas Canyon watershed, east slope San Jacinto Mts. 915 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
  UCR163793  Artemisia douglasiana John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, Los Alamos Canyon 1.5 mi. SW of Los Alamos Ranch, just outside Cleveland Nat. Forest boundary 564 Comment
  RSA502201  Artemisia dracunculus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3708 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
  SD67909  Artemisia dracunculus Reid Moran 1968-8-3 15351 Riverside open northeast slope, ridge 1 mile northwest of Toro Peak 2250 Comment
  UCD129231  Artemisia dracunculus Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-11 3708 Riverside Vail Lake area, Wilson Creek at east end of lake. Comment
  UC892461  Artemisia ludoviciana subsp. incompta Mary F. Spencer Aug 1 1923-Sep 1 1923 2298 Riverside <near> Idyllwild; San Jacinto Mts. 1828 Comment
  POM294106  Artemisia tridentata subsp. tridentata Lyman Benson 1945-11-10 11917 Riverside 5 miles west of Aguanga. 457 Comment
  UCR149415  Arundo donax S. J. Myers 1996-6-6 s.n. Riverside Santa Ana River Valley, Santa Ana River, c. 0.5 mi west of Rubidoux Nature Center Comment
  SD247302  Asclepias albicans Andy Sanders, Jim Malusa 2015-3-10 41386 Riverside Sonoran (Colorado) Desert: north end of Chocolate Mountains, eastern canyon at Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range. 611 Comment
  JEPS5170  Asclepias californica W. L. Jepson 1939-4-19 19214 Riverside w Aguanga; Dripping Spring Comment
  RSA645934  Asclepias eriocarpa Scott D. White 1999-6-8 7455 Riverside Corona, near Bedford Canyon: foothills at eastern slope of Santa Ana Mts. ''Joseph Canyon'' wash near a disused quarry. 335 Comment
  RSA401110  Asclepias subulata M. B. Dunkle 1934-3-18 3859 Riverside Shavers Valley. Mecca Hills. W. of Shaver's Well. 91 Comment
  RSA69915  Asclepias subulata F. W. Peirson 1928-4-23 7886 Riverside in sandy wash land; 6 mi. n.e. of Mecca, on road to Blythe Comment
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Oct 23 2011
  RSA703415  Astragalus LeRoy Gross, Leland Lubinsky, Victor W. Steinmann, Linda Lee Worlow 2005-2-17 1456 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCD166215  Astragalus Jack Major 1962-4-16 767 Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  SEINET898556  Astragalus acutirostris Annie M. Alexander, Louise Kellogg 1941-1 2126 Riverside 13 miles southwest of 29 Palms, Joshua Tree National Monument. 1372 Comment
  CAS-BOT-BC177467  Astragalus aridus Carl B. Wolf 1932-4-28 3078 Riverside Colorado Desert. Chuckwalla Valley. 19 mi. West of Blythe on the Mecca Road 121 Comment
  UC81364  Astragalus aridus C. R. Orcutt 1889-4-1 2264 Riverside Colorado Desert Comment
  UCR214564  Astragalus aridus A. C. Sanders 2010-3-15 37408 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  CAS-BOT-BC177513  Astragalus bernardinus Philip A. Munz 1949-4-11 13006 Riverside Near Conejo Well, north base of Eagle Mts., [Mohave] Mojave Desert 914 Comment
  RSA0104416  Astragalus coccineus Duncan S. Bell 2015-2-6 7737 Riverside Santa Rosa Mountains; along Cactus Spring Trail, where the trail crosses Horsethief Creek. 1054 Comment
  SEINET898792  Astragalus didymocarpus H. M. Hall 1905-1 5763 Riverside Palm Springs. Colorado Desert. 152 Comment
  CAS-BOT-BC182583  Astragalus didymocarpus var. dispermus C. L. Hitchcock 1940-4-4 5953 Riverside Pinto Basin Comment
  RSA85878  Astragalus didymocarpus var. obispoensis J. C. Roos 1952-4-30 5606 Riverside Hills between Camp Haan and Riverside 518 Comment
  UC73262  Astragalus douglasii var. douglasii Miss M. A. King 1893-1 Riverside Menifee Comment
  POM307272  Astragalus douglasii var. parishii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2147 Riverside Santa Rosa Mountains. Comment
  CAS-BOT-BC186733  Astragalus gambelianus Steve Boyd 1986-4-22 1754 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of Interstate 15 Comment
  RSA725746  Astragalus lentiginosus Linda Archer 2006-5-3 s.n. Riverside Sonoran (Colorado) Desert; Coachella Valley: SW edge of Desert Hot Springs, east of Morongo Wash. 280 Comment
  RSA719067  Astragalus lentiginosus Michael Honer 2005-3-18 2100 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  CAS-BOT-BC187104  Astragalus lentiginosus var. borreganus Ivan Johnston 1917-4-4 1065 Riverside Whitewater Comment
  RSA498235  Astragalus lentiginosus var. coachellae F. W. Peirson 1920-2-17 s.n. Riverside Whitewater River, Colorado Desert, river at bridge. Comment
  JEPS54801  Astragalus pomonensis W. L. Jepson 1914-5-23 6085 Riverside Conchilla Desert , Conchilla Desert (Colorado Desert) Comment
  RSA643334  Astragalus pomonensis R. D. Goeden, W. D. Ricker 1965-6-10 s.n. Riverside tributary of Temecula River, near Oak Mtn. 457 Comment
  POM123201  Astragalus pomonensis Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Spring, near Temecula. 366 Comment
  POM12715  Athyrium filix-femina P. A. Munz 1922-7-6 5991 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  CLARK-A1528-2297  Athysanus pusillus John C. Roos 1952-2-29 5366 Riverside Reche Canyon 457 Comment
  RSA0086760  Athysanus pusillus R. G. Swinney 1967-5-26 11729 Riverside Snow Creek. 335 Comment
  UCR106421  Athysanus pusillus George K. Helmkamp, A. C. Sanders 1997-3-15 1488 Riverside Skinner Lake, Grassland at base of Bachelor Mtn. and adjoining chapararal. 488 Comment
  CAS-BOT-BC98815  Atrichoseris platyphylla Mrs. G. Earle Kelly 1926-4-1 s.n. Riverside Painted Canyon near Indio Comment
  UC69005  Atrichoseris platyphylla H. M. Hall 1905-5-1 6246 Riverside Cottonwood Pass Colorado Desert, Cottonwood Pass Comment
  SEINET7239536 Image available Atrichoseris platyphylla H. M. Hall 1905-5-12 6033 Riverside Near Virginia Dale (McGraith's camp near county line). Comment
  SEINET3930581  Atriplex canescens Grant D. Brown 1950-12-2 589 Riverside About 1 mile up Mockingbird Canyon in Riverside City limits.; 0 305 Comment
  UC65011  Atriplex canescens E. E. Schellenger 31 Riverside s Palm Springs; Colorado Desert, s of Palm Springs Comment
  CAS-BOT-BC170199  Atriplex canescens subsp. canescens Mrs. Robert Campbell 1921-11-26 7 Riverside Between Palm Springs and Indian Wells Comment
  RSA5451  Atriplex canescens var. linearis C. B. Wolf 1932-10-13 s.n. Riverside NE side of S.P.R.R. at Durmid on N.E. side of Salton Sea -61 Comment
  UCR266414  Atriplex coronata var. notatior D. E. Bramlet, M. Riedel-Lehrke 2006-6-12 4019 Riverside Perris Basin, junk yard east of MWD canal and south of Stetson Ave. 456 Comment
  UCR70521  Atriplex coronata var. notatior D. E. Bramlet 1991-5-2 2113 Riverside San Jacinto Valley, San Jacinto Area, 7.6 km west of Hemet & c. 1.4 km SW of intersection of Warren and Setson Ave. Plants c. 68 m south of Setson Ave. & 320 m west of the MWD canal. 500 Comment
  SEINET6092079  Atriplex elegans Unknown 17073 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  CAS-BOT-BC334494  Atriplex elegans var. elegans R. E. Riefner, Jr. 2013-8-17 13 -190 Riverside City of Lake Elsinore, along Collier St. and Hwy 74 S to Temescal Wash. 393 Comment
  RSA746519  Atriplex glauca R. E. Riefner Jr. 2002-12-12 2 -521 Riverside City of Corona, along Magnolia Ave. off-ramp on SW side of I-15 Freeway. 216 Comment
  UC66493  Atriplex lentiformis E. E. Schellenger 1904-10-16 54 Riverside between Coachella and Wolters [Walters = Mecca] Comment
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Jun 18 2011
  SBBG72554  Atriplex lentiformis subsp. breweri M. D. Clary -Oct-1929 423 Riverside Coachella Valley -13 Comment
  UCR98499  Atriplex parishii C. Reiser 1996-5-9 s.n. Riverside Winchester; north of Haddock, west of Farnsworth Road; also south of Simpson Road; near Adams Comment
  RSA760984  Atriplex polycarpa Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks, M. Volke 2010-4-20 146 Riverside Hwy 177. N of Desert Center and Desert Lily Sanctuary. E of Joshua Tree National Park border. 274 Comment
  UCR121206  Atriplex rosea D. E. Bramlet, D. J. Bradney 1989-7-3 1930 Riverside Perris-Aguanga Basin region, Diamond Valley, just north and east of the Searl Ranch buildings 482 Comment
  IRVC26844  Atriplex semibaccata S. D. White 2001-4-13 8322 Riverside Badlands: County landfill area north of Moreno valley; ca. 1/4 air miles NW of SR60 junction with Gilman Springs Road. Southern Coastal 595 Comment
  RSA557364  Atriplex serenana Julie Greene, James Dice 1993-6-25 1376 Riverside Sloping drainage from Davis Rd. 436 Comment
  UCD97788  Atriplex serenana Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-11 3731 Riverside Vail Lake area, wetlands of Wilson Creek, east of the lake. 472 Comment
  CSUSB422  Avena fatua D. L. Heald 1966-4-5 Riverside In the front yard of D.L. Heald's residence in Arlington. 304 Comment
  RSA613473  Avena fatua D. L. Banks, Victor Steinmann 1997-3-13 1448 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  CAS-BOT-BC213218  Ayenia compacta Edmund C. Jaeger 1922-10-15 s.n. Riverside Tacquitz Canyon, Palm Springs Comment
  RSA350335  Baccharis emoryi L. C. Wheeler 1933-12-12 2316 Riverside Along irrigation ditch in semi shade US 99 2 miles NW Whitewater Station, Riverside 366 Comment
  CAS-BOT-BC106750  Baccharis salicifolia Carl B. Wolf 1932-5-25 3672 Riverside No. base of San Jacinto Mts. Snow Creek Canyon, 1 mi. below fish hatchery. 396 Comment
  POM318591  Baccharis salicifolia Patricia Wilder 1971-2-4 4920 Riverside Santa Ana River in Prado Park; east of Archibald Ave. 244 Comment
  UC1010322  Baccharis sarothroides John and Lucille Roos 1950-10-28 5021 Riverside near Box Springs 472 Comment
  JOTR34413  Baccharis sergiloides La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3098 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring 914 Comment
  RSA442010  Bahiopsis parishii Ora M. Clark 1929-3-16 1719 Riverside N. of Whitewater, Colorado. Comment
  SD258859  Bahiopsis parishii Sarah J. De Groot, Grace Cho 2016-4-4 7769 Riverside Santa Rosa Mountains, SW of palm Desert, N of Alpine Village and Highway 74; Along Dunn Road between Haystack and Asbestos Mountains 1232 Comment
  UCR264212  Bahiopsis parishii A. C. Sanders 2015-9-11 41872 Riverside Sonoran (Colorado) Desert, Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline Rd. 646 Comment
  IRVC27465  Baileya pauciradiata Helen Kennedy, Fred R. Ganders 1980-4-15 4065 Riverside along [Box Canyon] road between Mecca and Hwy. 10 Colorado Desert 100 Comment
  UC1931074  Barbarea orthoceras Scott D. White, Justin Wood 2008-7-9 12426 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Comment
  UCR268584  Barbarea orthoceras Jim Andre 2012-6-15 30549 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  RSA296176  Bebbia juncea B. A. Prigge 1980-8-5 3856 Riverside Whitewater Canyon, 0.5 miles N of trout farm 701 Comment
  JOTR29381  Bebbia juncea var. aspera La Doux, Tasha, Mike Bell 2006-5-10 1458 Riverside Joshua Tree National Park. East Deception Canyon Comment
  UC1746489  Bebbia juncea var. aspera Mitch Provance 1998-7-7 887 Riverside 1/4 to 1/2 mi from corner of Riverside Ave and Agua Mansa Rd.; Colton 262 Comment
  CLARK-A1528-101  Beloperone californica 1936-10-13 Riverside Palm Desert Rancho Mirage 7.5'Q Comment
  UCR252813  Berberis nevinii Ana Hernandez 2012-4-2 031 Riverside Perris Aguanga Basin, top of Oak Mountain, 35 meters north of dirt road 825 Comment
  CAS-BOT-BC207048  Bernardia incana Annie M. Alexander 1941-5-10 2144 Riverside 3 mi NE Cottonwood Spring, Eagle Mts. 1036 Comment
  HSC80236  Beta vulgaris Steve Boyd 1985-8-7 1119 Riverside Murrieta area, Clinton Kieth Rd., just E of the Bear Creek development golf course. Comment
  SD146038  Bidens laevis A. C. Sanders, Mitch Provance, and B. Pitzer 2000-9-27 23679 Riverside Santa Ana River Valley; southwest side of Mt. Rubidoux, northwest of intersection ot Tequesquite Ave. and Gregory Road. 231 Comment
  RSA581745  Boechera californica M. Wall, L. Fuentes 1995-4-13 102 Riverside Santa Rosa Mountains, along Hwy 74, 14.8 miles southeast of Hwy 243 junction in Mountain Center. Burned area along highway, just past the Pacific Crest Trail crossing. Comment
  RSA0120134  Boerhavia coccinea Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9083 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
  UCR102045  Boerhavia coulteri B. G. Pitzer 1997-10-19 3350 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  GMDRC3110  Boerhavia intermedia J. Andre, T. La Doux 2008-9-13 10277 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Pinto Basin along paved Hwy at Fried Liver Wash 33 deg. 54.37' N 115 deg. 50.957' W. Elev. 1801 ft. 549 Comment
  UCR19110  Boerhavia intermedia John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Desert Center Comment
  RSA0009686  Boerhavia intermedia Marcus E. Jones 1929-9-16 24796 Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  JOTR30838  Boerhavia triquetra La Doux, Tasha, Jim Andre 2008-9-16 348 Riverside Joshua Tree National Park. JTNP; NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.534' N 116 03.098' W 1327 Comment
  RSA793614  Boerhavia triquetra var. intermedia Duncan S. Bell, Aaron Sedgwick 2012-9-13 4199 Riverside Hayfields Lake; eastern section of dry lake, approximately 3.75 air miles southeast of Hayfields pumping plant. 420 Comment
  RSA644207  Boerhavia wrightii V. W. Steinmann 1999-10-26 1418 Riverside foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 325 Comment
  SD249240  Boerhavia wrightii Duncan S. Bell, Evan Meyer 2014-10-22 7653 A Riverside Orocopia Mountains; southwestern section of range; collecting in an unnamed canyon to the southeast of Orocopia Canyon; c;a. 3.6 air miles northnortheast of Dos Palmas. 404 Comment
  UCR17655  Boerhavia wrightii Hap Ritter, Paul Mack 1976-10-19 s.n. Riverside Sonoran (Colorado) Desert, c. 20 mi. NW of Blythe on the Midland Road, McCoy wash drainage, SW side of the Big Maria Mtns. 245 Comment
  CLARK-A1528-5154  Bothriochloa barbinodis John C. Roos 1947-2-15 3236 Riverside Eagle Mountains Comment
  JOTR33680  Bothriochloa barbinodis La Doux, Tasha, Mike Bell 2003-10-17 1592 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash, active wash corridor with sandy bottom, surrounded by granitic outcrops and pediments 1310 Comment
  UCR23966  Bouteloua aristidoides John C. Roos 1949-3-19 4110 Riverside Sonoran (Colorado) Desert, Mouth of Shaver's Wash near Mecca Comment
  UCR52001  Bouteloua aristidoides Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2125 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCSB60189  Bouteloua aristidoides Charlton, David 1988-2-18 Riverside S side of Little San Bernardino Mtns; Fargo Canyon Rd to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10; 1 mi E of Jct Dillon Rd and Fargo Cyn Rd 609 Comment
  RSA645638  Bouteloua aristidoides var. aristidoides Scott D. White 1999-4-20 7275 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe. 91 Comment
  SEINET212401 Image available Bouteloua aristidoides var. aristidoides Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Ke 1973-3-23 6491 Riverside Palen Valley 15 miles northeast of Desert Center 183 Comment
  JOTR35383  Bouteloua barbata var. barbata Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 171 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  UC577428  Bouteloua barbata var. barbata J. and H. W. Grinnell 1937-11-30 1080 a Riverside lake bed 24 mi w Blythe; Ford Dry Lake Comment
  JOTR16777  Bouteloua curtipendula Hogan, J. 1974-6-13 19 Riverside Joshua Tree National Park. QUEEN VALLEY, 1.9 MILES SOUTH OF PINE SPRING 1356 Comment
  UCR149061  Bowlesia incana Michael L. Fugate 2005-2-18 s.n. Riverside Coyote Hill SE of UC Riverside campus, lower slopes of hill with Bench Mark Versity 366 Comment
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Mar 27 2013
  CLARK-A1528-5382  Brandegea bigelovii John C. Roos 1965-12-4 Riverside Comment
  CLARK-A1656-822  Brandegea bigelovii Theo Glenn 1983-1-22 Riverside San Jacinto Mountains 304 Comment
  JOTR32326  Brandegea bigelovii Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Steep bedrock on south facing slope of large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 3) Comment
  OBI8337  Brandegea bigelovii David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12059 Riverside Along Box Cyn Rd ca 20 mi ENE of Mecca in Orocopia Mts 274 Comment
  UCR269836  Brandegea bigelovii A. C. Sanders, Jim Malusa 2016-3-18 42378 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  POM90998  Brandegea bigelovii E. C. Jaeger 1925-12-20 s.n. Riverside Fish traps. 3 Comment
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Feb 3 2011
  CDA3590  Brassica tournefortii G. D. Barbe, T. C. Fuller 1973-2-27 1044 Riverside West side of Coachella Canal, Highway 195 in Box Canyon, east of Mecca. 0 Comment
  RSA771748  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4610 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA774896  Brassica tournefortii Duncan S. Bell, Amber Swanson 2011-2-18 2031 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  UCR239806  Brassica tournefortii 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
  UCR89546  Brassica tournefortii George K. Helmkamp 1994-3-8 41 5 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  CAS-BOT-BC106342  Brickellia atractyloides var. arguta H. M. Hall 1905-5-1 6016 Riverside Cottonwood Springs - Colorado Desert 670 Comment
  CAS-BOT-BC106177  Brickellia desertorum John Roos; Lucille Roos 1950-10-28 5020 Riverside North base Mt. Russell, 1 mile S.E. of Moreno 548 Comment
  RSA89966  Brickellia desertorum J. C. Roos 1950-10-15 5009 Riverside San Bernardino Mtns. Dry Morongo Canyon, c. l mi south of Riverside-San Bernardino county line. 612 Comment
  UCR279367  Brickellia desertorum A. C. Sanders, Jim Malusa 2017-3-24 42979 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 701 Comment
  UCR111612  Brodiaea filifolia D. E. Bramlet 2000-5-3 3004 Riverside Perris Basin, 4.3km east of Perris, 183-305m south of San Jacinto Ave. and 884m west of Pico Ave. 433 Comment
  CAS-BOT-BC486544  Brodiaea terrestris subsp. kernensis Mitch Provance 2005-5-17 6566 Riverside Warm Springs Valley: Terra Cotta, Nichols Road Wetland at Alberhill Creek, 100 yards SE of the Durant RR siding, the site bordered along the NW 420 Comment
  UCR16042  Brodiaea terrestris subsp. kernensis S. Riddell 1973-5-17 730517- 01 Riverside 8 mi west of Perris on Hwy 74 457 Comment
  UCR43786  Brodiaea terrestris subsp. kernensis R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60643 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: Mesa de Colorado 625 Comment
  SEINET3921841  Bromus carinatus Elizabeth Neese 1979-4-11 7104 Riverside Road jct halfway between Blythe & Rice.; 0 Comment
  UCR125474  Bromus carinatus A. C. Sanders 2003-4-6 25945 Riverside San Bernardino/Santa Ana River Valley Region, Riverside, weed in yard at 422 Campus View Dr. 341 Comment
  SEINET235857 Image available Bromus carinatus var. carinatus Scott D. White 1997-5-18 5154 Riverside Vista Grande Area: Just W of USFS Vista Grande Fire Station (i.e. Hwy 243 ca. 10 road miles SE of Banning). 1500 Comment
  CAS-BOT-BC148746  Bromus carinatus var. marginatus H. M. Hall 1901-7-1 2342 Riverside San Jacinto Mountains. Vicinity of Deer Springs. 2743 Comment
  UCR2217  Bromus catharticus F. M. Reed 1907-2-12 1205 Riverside Riverside, Arroyo Tequesquite, Bluffs Ranch 274 Comment
  UCR41837  Bromus catharticus A. C. Sanders 1986-4-13 6467 Riverside Riverside, Riverside, residential garden, 422 Campus View Drive 335 Comment
  RSA754136  Bromus ciliatus var. ciliatus W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-9-4 19 Riverside San Jacinto and Santa Rosa Mts.: Idyllwild: Along road. Comment
  RSA495792  Bromus diandrus subsp. triangularis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2899 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  RSA127000  Bromus grandis H. S. Yates 1936-8-29 6383 Riverside Fuller Creek [Poss. Fuller Mill Creek now?] 1677 Comment
  SD233665  Bromus grandis Scott D. White 1996-8-1 4442 Riverside Idyllwild area: north of Strawberry Valley, between Bear Trap Cyn and Lily Creek. 1584 Comment
  UCR23874  Bromus hallii John C. Roos 1942-6-20 994 Riverside Peninsular Range; San Jacinto Mtns, Dark Canyon Camp, North Fork San Jacinto River 1829 Comment
  CAS-BOT-BC162384  Bromus lanatipes H. M. Hall 1901-6-1 2228 Riverside San Jacinto Mountains. South side. 1615 Comment
  RSA0000409  Bromus orcuttianus var. hallii H. M. Hall 1901-06 2301 Riverside San Jacinto Mountains. West side. 1738 Comment
  CLARK-A1528-4554  Bromus rubens John C. Roos 1952-4-2 5465 Riverside Box Springs 426 Comment
  UCD59525  Bromus rubens Nancy Ryan Zabriskie 1978-3-16 793 Riverside Colorado Desert and the Santa Rosa Mountains. Along AcC water pipe, Andreas Canyon, east slope San Jacinto Mtns. 548 Comment
  UCR243172  Bromus rubens LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4350 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  RSA293522  Caesalpinia virgata C. W. Tilforth, Walter Wisura 1979-8-8 1908 Riverside Along hwy 74, south edge of Palm Desert. South-east of Palm Springs Comment
  RSA697938  Caesalpinia virgata J. R. Bruff 1927-10-8 1 -M Riverside Thousand Palms. Comment
  UCR25957  Caesalpinia virgata John C. Roos 1947-3-15 3353 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains, mouth of Deep Canyon at foot of mtns. 366 Comment
  POM280839  Calandrinia ciliata Henry J. Ramsey, Henry J. Ramsey 1940-3-15 s.n. Riverside Corona, south of fields-hillsides. Comment
  RSA466553  Calandrinia ciliata Jeannette B. Edge 1934-3-18 s.n. Riverside [San] Timoteo Canyon. 518 Comment
  UCR183336  Calandrinia ciliata Mitch Provance 2003-4-26 9882 B Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR249821  Calandrinia ciliata T. B. Salvato, John Lovio 2013-3-19 7359 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  CDA6854  Calendula officinalis T. C. Fuller 1962-6-6 8849 Riverside La Cadena & Iowa Avenue, east of Highway 395 freeway, Highgrove. 0 Comment
  SD181490  California macrophylla Steve Boyd 2001-4-12 10401 Riverside Santa Ana Mountains-Gavilan Hills Region, Temescal Canyon, terrace escarpment just south of DePalma Road, between Indian Wash and Horsethief Wash. Comment
  UC1409149  Callitriche marginata Robert F. Thorne and Earl Lathrop 1969-5-12 37925 Riverside Santa Rosa Plateau on south end of Mesa de Colorado, Rancho California. 624 Comment
  UCR266591  Callitriche marginata Mitch Provance, Robin Kinmont 2015-3-27 315- 52 Riverside Perris-Aguanga Basin Region, French Valley, Leon Rd. (unmarked dirt portion), along SCE transmission route between Benton Rd. and Auld Rd. 411 Comment
  UCSB9236  Calocedrus decurrens Wilson, Richard 1958-5-17 Riverside 15 miles SE of Banning on State 14 Lower Montane Community 1524 Comment
  SEINET10531073  Calocedrus decurrens James S. Miller 1992-5-8 Miller 7469 Riverside San Jacinto Mountains. 11 mi E of W boundary of San Bernadino National Forest on California route 74. 1300 Comment
  RSA741192  Calochortus concolor Scott D. White, Justin M. Wood 2008-6-16 12129 Riverside Fobes Ranch Road N of Quinn Flat 1390 Comment
  UCR189812  Calochortus palmeri var. munzii Theresa Johnson 2007-6-22 377 Riverside Peninsular Range, San Jacinto Mountains Region, c. 3 mi northwest of intersection of Hwy 74 and Hwy 243, c. 0.2 mi southwest of Alvin Meadows near Chimney Flats Road 1477 Comment
  UCR87620  Calochortus splendens A. C. Sanders 1994-5-30 14608 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  POM17951  Calochortus weedii Philip A. Munz 1923-6-14 7104 Riverside Glen Ivy Trail to Santiago Peak, Santa Ana Mountains. 915 Comment
  UC1929849  Calochortus weedii var. intermedius Scott D. White, Michael Honer 2003-6-17 9548 Riverside S PERRIS BASIN: Murrieta. Interstate 215 / Clinton Keith interchange. Comment
  RSA525319  Calycadenia tenella Steve Boyd 1990-4-29 4473 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UCR47204  Calycoseris parryi B. G. Pitzer, L. F. LaPre 1987-3-2 0436 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
  JOTR33983  Calyptridium monandrum La Doux, Tasha, M. Harding 2010-4-7 2871 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  UCR100034  Calyptridium monandrum Scott D. White 1994-4-23 2043 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  UCR220119  Calyptridium monandrum D. E. Bramlet 1989-4-7 1819 A Riverside Perris-Aguanga Basin region, Lake Skinner County Park, southeast slope of Bachelor Mountain, c. 3200 ft. NW of Rawson Canyon & 8300 ft. east of Lake Skinner dam 476 Comment
  RSA507460  Camissonia D. C. Hawks 1986-4-15 s.n. Riverside Whitewater River area, ca 1 mi. SW of Garnet, 1/2 mi. S. of Hwy I-10 and 1/2 mi. W of Indian Avenue., UTM grid cell NH-N5, E4 (Garnet). 213 Comment
  UC1186512  Camissonia E. G. Linsley and J. W. MacSwain 1960-3-2 60 -8 Riverside 2 mi w Desert Center Comment
  POM281152  Camissonia bistorta Ethel Rush 1951-4-12 174 Riverside Roadside 5 miles south of Temecula. Hyway 79. 457 Comment
  SEINET4680881  Camissonia bistorta R. L. Piemeisel 1913-4-27 3616 Riverside W. of Crestmore.; 0 Comment
  UCR166170  Camissonia bistorta John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  HSC49197  Camissonia boothii subsp. condensata D. L. Goforth 1979-4-11 113 Riverside Box Canyon, 10 mi. E of Mecca on State Rte. 195. 220 Comment
  RSA0021232  Camissonia brevipes subsp. brevipes Jim Andre 2011-2-9 15929 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  RSA466017  Camissonia brevipes subsp. brevipes N. C. Cooper 1949-4-8 3253 Riverside Palm Springs. 457 Comment
  RSA49371  Camissonia brevipes subsp. brevipes P. A. Munz 1949-4-12 13040 Riverside Mojave Desert, SE part of Pinto Basin. sandy wash Comment
  RSA134498  Camissonia californica Harlan Lewis, M. Lewis 1953-3-15 1610 Riverside Colorado Desert, Pushawalla Canyon in desert wash Comment
  RSA466175  Camissonia californica N. C. Cooper 1945-3-24 1616 Riverside Cabazon. 457 Comment
  UCR248432  Camissonia cardiophylla Duncan S. Bell 2012-2-12 3113 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  RSA567651  Camissonia chamaenerioides A. C. Sanders, E. J. Lawlor 1992-4-4 12100 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  SEINET5344149  Camissonia cheiranthifolia N. D. Atwood 1993-3-27 17699 Riverside Above & adjacent to coast, Corona Del Mar State Park along Newport Coast Drive Comment
  RSA781902  Camissonia claviformis Duncan S. Bell 2010-5-1 888 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  RSA36072  Camissonia claviformis subsp. aurantiaca C. Epling 1947-03 s.n. Riverside Mojave Desert, south edge of desert at Cottonwood Springs. Comment
  UCR43745  Camissonia confusa R. F. Thorne, C. W. Tilforth 1980-5-28 54221 Riverside San Bernardino Mtns., Branch canyon west of Whitewater Canyon, c. 3.2 mi. north of Whitewater Post Office and Hwy 10. 612 Comment
  UCR163340  Camissonia hirtella T. B. Salvato, Kelly Volansky 2003-3-27 133 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR174106  Camissonia hirtella A. C. Sanders 2006-5-19 32423 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR251998  Camissonia hirtella A. C. Sanders, T. B. Salvato 2014-7-2 41159 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA0057863  Camissonia micrantha A. C. Sanders 2011-4-7 39037 Riverside Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  UCR102209  Camissonia pallida A. C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19674 Riverside Colorado Desert/San Jacinto Mtns, Palm Springs, Indian Avenue at Las Vegas Road, below mouth of Chino Canyon 188 Comment
  POM91008  Camissonia pallida subsp. pallida E. C. Jaeger 1925-12-18 s.n. Riverside Eagle Canon, 5 miles east of Palm Springs 122 Comment
  RSA782087  Camissonia refracta Duncan S. Bell 2009-3-7 4 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  HSC86987  Camissonia strigulosa David Charlton 1988-5-21 1966 Riverside Thomas Mtn. Rd., W of Garner Valley and S of Lake Hemet on Hwy. 74 1677 Comment
  RSA731013  Camissonia strigulosa M. Wall 2008-4-4 448 Riverside San Jacinto Valley, Bautista Creek SE of Hemet, off Bautista Rd. ca. 8.0 miles SE of junction with Fairview Avenue. 778 Comment
  SDSU3402  Camissonia strigulosa R. S. Suaw, T. Masquin 1957-4-1 Riverside 11 mi. w. Riverside; #5 Comment
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Mar 28 2014
  UCR178847  Camissonia strigulosa Jeffrey Ross, T. B. Salvato 1998-5-14 MOR- 141 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
  SDSU3315  Camissoniopsis bistorta R. S. Luaw, T. Mosquin 1957-4-1 Riverside 11 mi. w. Riverside Comment
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Mar 28 2014
  SDSU3361  Camissoniopsis hirtella H. Wedberg 1958-3-31 202 Riverside 10.3 miles south of Hemet on Highway 79. Comment
  JEPS86254  Camissoniopsis ignota C. V. Meyer 1927-6-1 161 Riverside Saunders Meadow Comment
  UCR35113  Cannabis sativa L. B. Ziegler 1974-9-14 535 Riverside Foothills of San Jacinto Mtns., canyon two miles south of Hemet 503 Comment
  RSA228815  Cardamine californica var. integrifolia Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 601 Riverside Santa Rosa Plateau, ca. 5 miles south west of Murrieta near Forest Route 7S01. 487 Comment
  SBBG84182  Carduus pycnocephalus subsp. pycnocephalus A. C. Sanders, B. Pitzer 1987-4-21 7049 Riverside Box Springs Mtns, summit of Pigeon Pass Rd; T2S, R4W, SW1/4 S14 579 Comment
  UCR136264  Carex densa A. C. Sanders 2004-4-20 27567 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  SEINET238565  Carex fracta George K. Helmkamp 1998-6-27 4123 Riverside Santa Rosa Mtns.: 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of Santa Rosa Spring. 2232 Comment
  RSA5246  Carex multicostata Carl B. Wolf 1932-8-5 3983 Riverside Summit of San Jacinto Peak, San Jacinto Mountains. 3308 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
  RSA364643  Carex phaeocephala George R. Johnstone 1928-10-3 s.n. Riverside San Jacinto Mountain. Summit. 3293 Comment
  OBI35042  Carex praegracilis A. C. Sanders & Steve. D. Boyd, Steve. D. Boyd 1980-5-19 1500 Riverside San Jacinto Mts, Garner Valley. W of Kenworthy Ranger Sta 1372 Comment
  RSA88858  Carex praegracilis F. W. Peirson 1922-5-20 3062 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  CAS-BOT-BC117859  Carex sartwelliana D. E. Breedlove 1961-7-29 872 Riverside Fuller Mill Creek where it crosses Riverside Hwy # 1. San Jacinto Mountains. 1645 Comment
  SEINET11125985 Image available Carex sartwelliana P. Zika, Otting, N 2010-1 25299 Riverside San Bernardino National Forest, N Fork San Jacinto River, Dark Canyon, at Azalea Trails Girl Scout Camp, San Jacinto Ranger District, San Jacinto Mountains (SnJt) Comment
  SEINET949262  Cassia nemophila A. C. Sanders, K. C. Rose 1999-1 22794 Riverside Coachella Valley: between La Quinta and Indio, along Jefferson St. Between Ave 54 and I -10 (La Quinta 7.5) 10 Comment
  RSA667138  Castilleja affinis A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23899 Riverside Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. NE Murrieta. 396 Comment
  JEPS9026  Castilleja affinis subsp. affinis Rimo Bacigalupi with G. T. Robbins 1954-5-16 4471 Riverside 0.5 mi n Sage (along road from Hemet to Sage (Calif Hwy 79), 1.5 mi s of junction of road to Red Mountain) 762 Comment
  SD229283  Castilleja applegatei subsp. martinii Dick Schwenkmeyer 2012-4-17 686 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  RSA97671  Castilleja applegatei subsp. martinii R. M. Straw 1954-6-10 608 Riverside Mountain Home Spring, Santa Rosa Mountain, San Jacinto Mountains. Comment
  JEPS10327  Castilleja exserta subsp. exserta I. W. Clokey 1930-4-9 4712 Riverside Moreno Grade 700 Comment
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Mar 20 2011
  UCSB12636  Castilleja exserta subsp. exserta Whittington, M. 1962-3-17 Riverside southwest of U.S. Highway 71; By Alberhill brickyard; in Alberhill 91 Comment
  GMDRC6583  Castilleja foliolosa J. M. Andre 2012-6-15 30545 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  SJSU11468  Castilleja foliolosa N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd c. 6 mi E of E shore Lake Elsinore Comment
  UCR39195  Castilleja foliolosa M. L. Rosczyk, G. K. Helmkamp 1985-4-4 231 Riverside Little San Bernardino Mtns/ Sonoran (Colorado) Desert, The Nature Conservancy's Big Morongo Preserve, south of Morongo Valley. Main canyon, one-half mi. below the BLM gate 518 Comment
  RSA305818  Castilleja linariifolia James R. Shevock 1971-5-8 1042 Riverside Near Skull Rock, Joshua Tree National Monument. 1220 Comment
  POM312155  Castilleja minor subsp. spiralis N. C. Cooper 1194 Riverside Whitewater Canyon. 457 Comment
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Jun 26 2008
  UCR106733  Castilleja minor subsp. spiralis John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR193891  Castilleja minor subsp. spiralis A. C. Sanders, Mitch Provance 2008-7-11 35814 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
  RSA0076467  Castilleja stenantha Gale Sphon 1959-5-2 320 Riverside Horsethief Canyon. Comment
  RSA543775  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6022 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA343087  Ceanothus crassifolius Robert F. Thorne, Walter Wisura, E. W. Lathrop 1985-5-18 60628 Riverside Santa Rosa Plateau: Burned-over chapparral along Clinton Keith Road, near base of plateau. 427 Comment
  RSA495806  Ceanothus crassifolius Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2915 Riverside Vail Lake area, Temecula Creek Cyn., 1.0 mi. west of Vail Lake Dam. 396 Comment
  RSA575073  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -U Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  UCR90987  Ceanothus crassifolius Scott D. White 1996-3-31 3873 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  RSA575056  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -J Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  SD232319  Ceanothus cuneatus Scott D. White, Justin M. Wood 2008-6-18 12251 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of Hwy 79. Meadow and adjacent uplands. 1402 Comment
  HSC88837  Ceanothus greggii T'ai Roulston, Robin Bencie, Rich Dwerlkotte 1989-3-22 112 Riverside 2 mi N of Anza-Borrego State Park in Nicholias Canyon 1300 Comment
  UC1070667  Ceanothus greggii R. St. John 1929-11-1 19 Riverside Milliard Canyon San Jacinto quad. 914 Comment
  UCR132921  Ceanothus greggii John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  RSA770432  Ceanothus greggii var. perplexans Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4889 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
  UCR174977  Ceanothus leucodermis Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 351 Riverside Peninsular Ranges; San Jacinto Mtns., Parking lot and stream below parking lot on Calif. Hwy 243 across road from Lake Fulmor 1616 Comment
  UCSB26101  Ceanothus leucodermis Gliessman, Stephen 1968-7-17 Riverside 50 yards east of Little Thomas Mountain Road, 3.9 miles north of junction with Highway 74, Little Thomas Mountain 1554 Comment
  POM13851  Ceanothus oliganthus P. A. Munz 1922-4-28 5034 Riverside Leach Canyon. Small canyon. 610 Comment
  RSA398914  Ceanothus oliganthus E. Crow 1929-4-7 296 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  UCR92190  Ceanothus oliganthus subsp. oliganthus D. L. Banks, Steve Boyd 1995-3-16 0099 Riverside Peninsular Range, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, Arroyo Seco drainage. 549 Comment
  RSA0019590  Ceanothus oliganthus var. oliganthus M. French Gilman 1928-3-13 s.n. Riverside Canyon on north slope of San Jacinto Mountains, between Cabazon and Whitewater. Comment
  CAS-BOT-BC51646  Ceanothus ophiochilus Steve Boyd; Tim Ross 1993-3-28 7913 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 883 Comment
  CAS-BOT-BC51648  Ceanothus ophiochilus Steve Boyd; Tim Ross; Laurel Arnseth 1989-3-12 2960 Riverside Vail Lake area, 1 mi W of lake 700 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
  RSA0022328  Ceanothus perplexans A. C. Sanders, Mark A. Elvin, Julie M. Vanderwier 2002-4-9 24949 Riverside The Badland: hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont. 610 Comment
  SBBG34228  Ceanothus perplexans T. L. Secrest 1951-5-20 Riverside San Jacinto Mtns Comment
  UC56264  Ceanothus tomentosus H. M. Hall 1902-4-1 2896 Riverside Near Sage 609 Comment
  RSA528071  Ceanothus tomentosus var. olivaceus Scott D. White 1991-4-10 91 -44 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, and S of Cactus Valley Road. 610 Comment
  CAS-BOT-BC277182  Centaurea X pouzinii R. M. Howie No date on label s.n. Riverside Fuller Rancho, Corona Comment
  UC22695  Centaurium venustum Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  JEPS106970  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 7 Riverside Hemet, N of CA-74 and W of Warren Road Comment
  RSA689429  Centromadia pungens subsp. laevis R. E. Riefner 2003-5-27 03 -247 Riverside Back basin of Lake Elsinore, Malaga Rd near Mission Trail Rd. Comment
  SD239576  Centromadia pungens subsp. laevis Karyn L. Drennen 2010-6-10 11 Riverside Santa Anna Mountains foothills: Murrieta Creeek, 320 m southeast of Clinton Keith Road bridge. 363 Comment
  UCR177831  Cerastium glomeratum S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1128 Comment
  RSA85475  Cerastium glomeratum J. C. Roos 1952-4-16 5556 Riverside Pigeon Pass, Box Springs Mountains 457 Comment
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May 21 2011
  UCR158935  Ceratonia siliqua Steve Morgan 2005-8-5 s.n. Riverside Riverside: UCR Botanical Garden, Grid Cell P-4 in Australian section 396 Comment
  RSA650397  Cercocarpus betuloides C. J. Humphrey, Herbert Humphery, E. T. Bartholomew 1936-6-7 130 Riverside In desert foothills 16 miles north of Riverside. 396 Comment
  UCR164288  Cercocarpus betuloides S. J. Myers 2001-4-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  UC527317  Cercocarpus betuloides var. betuloides C. B. Wolf 1931-5-11 1950 Riverside near Pipe Creek (above Hemet Valley, San Jacinto Mountains); San Jacinto Mountains 1676 Comment
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Mar 24 2011
  RSA522775  Cercocarpus minutiflorus Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3882 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
  CAS-BOT-BC279536  Chaenactis artemisiifolia John Thomas Howell 1930-5-10 4810 Riverside 6 miles ne. of Aguanga Comment
  UCR90351  Chaenactis artemisiifolia Scott D. White 1995-6-30 3436 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  CAS-BOT-BC276388  Chaenactis carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  SD21518  Chaenactis carphoclinia Frank F. Gander 1938-5-21 5763 Riverside Shaver's Summit. Comment
  UCR104818  Chaenactis carphoclinia George K. Helmkamp, E. A. Helmkamp 1998-2-18 2732 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 10.6 miles SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  CHSC29988  Chaenactis carphoclinia var. carphoclinia T. M. Lane 1975-3-24 6 Riverside 1 mi n of US Interstate 10 at s entrance of Joshua Tree National Monument on Pinto Basin Rd. 533 Comment
  HSC28065  Chaenactis carphoclinia var. carphoclinia Richard Spjut 1973-4-5 3266 Riverside Colorado Desert; N slopes of the Chuckawalla Mtns. ca. 3-4 mi. S of Desert Center 305 Comment
  JOTR34311  Chaenactis carphoclinia var. carphoclinia Andre, Jim 2012-4-11 20726 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  RSA93829  Chaenactis carphoclinia var. carphoclinia F. W. Peirson 1922-4-11 2858 Riverside Deep Canyon Wash, Coachella Valley 244 Comment
  POM6569  Chaenactis fremontii Philip A. Munz, L. T. Street, Williams 1919-3-28 2464 Riverside San Gorgonio Pass, between Whitewater and Cabazon. Comment
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Mar 13 2011
  RSA794080  Chaenactis fremontii J. Andre 2012-3-19 21364 Riverside Palen Valley; along Palen Pass Road (dirt), 1.2 miles east of Highway 177. 184 Comment
  SBBG7877  Chaenactis fremontii H. and M. Dearing 1937-4-10 2869 Riverside ca. 16 mi N of Indio Comment
  SEINET2029675 Image available Chaenactis fremontii Philip A. Munz 1940-3-23 15721 Riverside sandy wash 3 miles north of Cottonwood Springs, Eagle Mountains 914 Comment
  RSA691059  Chaenactis glabriuscula Scott D. White, Michael Honer 2003-4-9 8987 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak '2349.' 549 Comment
  UCR140295  Chaenactis glabriuscula A. C. Sanders 2004-4-9 27470 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side 473 Comment
  UCR49242  Chaenactis glabriuscula Steve Boyd 1986-4-22 1744 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  CAS-BOT-BC277406  Chaenactis glabriuscula var. glabriuscula Anne Constant 1955-3-27 147 Riverside Colorado Desert. Highway 111, between Banning and Palm Springs Comment
  CAS-BOT-BC277410  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1992-4-15 6879 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek 487 Comment
  UCR112484  Chaenactis glabriuscula var. glabriuscula A. C. Sanders, T. B. Salvato 2000-5-30 23439 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  SBBG65592  Chaenactis parishii R. Hoffmann 1929-9-10 Riverside San Jacinto Mtns 2286 Comment
  UC90136  Chaenactis stevioides S. B. and W. F. Parish 1882-4-1 1213 Riverside Morongo Comment
  UCD20149  Chaenactis stevioides Donald W. Kyhos 1967-3-17 67 -11 Riverside Vidal, junction of Twentynine Palms Road and road ot Derest Center. Near Riverside County line. Comment
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May 22 2013
  RSA234107  Chaenactis stevioides var. brachypappa R. F. Thorne, R. Carolin 1967-3-21 41637 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  UCR78337  Chaetopappa aurea D. E. Bramlet 1993-4-26 2335 Riverside Peninsular Range, Temecula, c. 4 km south of intersection of Pauba Rd & Butterfield Stage Rd, 46-300 m west of Butterfield Stage Rd. 372 Comment
  RSA0021556  Chamaesyce micromera Duncan S. Bell 2012-3-4 3140 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  SBBG118575  Chamaesyce parishii L. C. Wheeler 1952-4-5 6850 Riverside near cynyn E of Painted Cyn Comment
  RSA0080444  Chamaesyce polycarpa Sarah J. De Groot, Amy Rouillard 2015-9-15 7575 Riverside Along Eagle Mountain Road north of I-10, at large wash crossing. West of Desert Center, western Chuckwalla Valley. 314 Comment
  RSA779949  Chamaesyce polycarpa Duncan S. Bell, Jennifer Pilapil 2011-5-19 2479 A Riverside A side canyon off of Mission Creek canyon approximately 4.5 air miles up canyon from the junction of Highway 62 and Mission Creek Road. 946 Comment
  RSA781804  Chamaesyce polycarpa Duncan S. Bell 2010-5-1 s.n. Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  SFV6313  Chamaesyce polycarpa T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 39 Riverside 4 miles south of Highway 111 on Highway 74. 305 Comment
  RSA778397  Chamaesyce polycarpa Amber Swanson 2011-10-9 654 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  POM250333  Chamaesyce polycarpa var. polycarpa I. W. Clokey 1935-4-17 6727 Riverside Cottonwood Springs. Comment
  RSA752550  Cheilanthes covillei Justin M. Wood 2009-3-10 340 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  UCR162399  Cheilanthes covillei S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  RSA495802  Cheilanthes newberryi Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2911 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 396 Comment
  UCR132352  Cheilanthes newberryi 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
  UCR97464  Cheilanthes newberryi B. G. Pitzer 1997-3-23 2999 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  POM183965  Cheilanthes parryi Philip A. Munz 1932-3-14 11987 Riverside Palm Springs. 91 Comment
  RSA678351  Cheilanthes parryi Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10466 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR105987  Cheilanthes parryi L. C. Wheeler 1952-12-15 7026 Riverside Sonoran (Colorado) Desert, Riverside Mountains, shore of Alligator Slough of the Colorado River; [near] Mountaineer Mine, north of Johnson's Camp Comment
  CAS-BOT-BC70377  Cheilanthes viscida Ivan Johnston 1917-4-4 1066 Riverside Palm Canyon 304 Comment
  RSA85545  Cheilanthes viscida F. W. Peirson 1921-3-22 2371 Riverside Murray Canyon, south side in canyon 457 Comment
  RSA522105  Chenopodium ambrosioides Steve Boyd, Timothy S. Ross 1989-8-28 3798 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  RSA621895  Chenopodium ambrosioides Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3634 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 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
  UC1191338  Chenopodium berlandieri Malcolm A. Nobs and S. Galen Smith 1948-9-3 485 Riverside 2 mi n Indio (edge of irrigation channel); Imperial Valley Comment
  UCR20857  Chenopodium berlandieri A. C. Sanders 1978-8-27 00277 Riverside San Jacinto Mountains, James Reserve, above Lake Fulmor 1646 Comment
  SEINET1908503  Chenopodium fremontii A. C. Sanders, Mitch Provance 2008-1 35780 Riverside Peninsular Range; San Jacinto Mtns.; FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station. 1463 Comment
  UCR213388  Chenopodium murale A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37447 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  RSA64957  Chenopodium pratericola F. W. Peirson 1918-03 s.n. Riverside Field near Indio. Comment
  UCR119261  Chenopodium pumilio Mitch Provance 1998-6-9 632 Riverside Jurupa Mountains, SE Pyrite Canyon, c. .3 km NW of the Jurupa Mountains Culture Center. 366 Comment
  CAS-BOT-BC231777  Chilopsis linearis Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  RSA342559  Chilopsis linearis R. F. Thorne, W. A. Tilforth 1980-5-28 54203 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
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Jun 25 2008
  SD255117  Chilopsis linearis Duncan S. Bell 2009-8-15 411 Riverside Northwest of the Arica Mountains. 285 Comment
  UCR274213  Chilopsis linearis Duncan S. Bell, Evan Meyer 2014-10-29 7690 Riverside Santa Rosa Mountains, Agua Alta Canyon, to the north of Martinez Canyon, c. 6 air miles southeast of the summit of Martinez Mountain 394 Comment
  LA99447  Chilopsis linearis subsp. arcuata Hisao P. Arai; 1957-4-18 sn Riverside Box Canyon, near Mecca; off Highway 195 Comment
  CAS-BOT-BC217964  Chloris truncata A. C. Sanders 1997-3-26 20138 Riverside Adjacent to the Skinner entrance road, ca. 1 km NE of Borel Rd. Lake Skinner Area 472 Comment
  RSA653172  Chloris virgata Mitch Provance 2000-6-24 2038 Riverside Riverside: Santa Ana River Wash, between the Market St. bridge and the 60 Fwy. 243 Comment
  JOTR16632  Chorizanthe brevicornu var. brevicornu Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. Comment
  POM250530  Chorizanthe brevicornu var. brevicornu I. W. Clokey 1935-4-17 6595 Riverside Cottonwood Springs. Comment
  UCR121070  Chorizanthe coriacea D. E. Bramlet 1989-4-6 1812 A Riverside Perris-Aguanga Basin, Lake Skinner area, upland between Rawson Canyon and Tucalota Creek 457 Comment
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Sep 17 2011
  SD127572  Chorizanthe corrugata David Charlton 1988-2-19 1204 Riverside Orocopia Mtns. Mudstone Wash N of Mecca Hills, Box Canyon on road from Cottonwood Wash to Mecca 305 Comment
  UCR174427  Chorizanthe fimbriata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32511 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
  HSC85293  Chorizanthe fimbriata var. fimbriata Steve Boyd 1986-5-1 1817 Riverside Lower S slopes of Bachelor Mtn., E end of Lake Skinner Comment
  RSA487198  Chorizanthe leptotheca James L. Reveal 1988-5-23 6864 Riverside Along California Hwy 75 [74] at milepost 48, 3 miles E of Fairview Avenue in Valle Vista, N of the Hwy and south of the San Jacinto River. 610 Comment
  UCR217524  Chorizanthe leptotheca Jeff B. Galvin, Lauren Ross 2010-7-7 138 Riverside Palomar Mountains, Tule Valley, 0.1 miles north of Rogers Canyon, along Tule Peak Road 1291 Comment
  UCR274147  Chorizanthe leptotheca T. B. Salvato, Gregg Miller 2005-6-7 1431 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  UCR280947  Chorizanthe leptotheca Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 65 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., 700-1100 ft. WNW of inter. with Glen Eden Rd. 366 Comment
  UCR216954  Chorizanthe parryi var. parryi John Dvorak, Karyn L. Drennen 2010-5-10 03 Riverside Perris-Aguanga Basin, French Valley, Warm Springs. ~35m north of creek and ~300m northwest of Maxmillian Ave. 385 Comment
  RSA550497  Chorizanthe polygonoides var. longispina D. E. Bramlet 1991-4-30 2094 Riverside on the lower slopes (northern) of Black Mtn. east of Rawson Canyon. The population was found NE of the blue-line stream, some 610 m east of the existing access road. 213 Comment
  UCR267161  Chorizanthe polygonoides var. longispina Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 17 Riverside Temecula/Murrieta Region, Murrieta, S of Keller Rd., along dirt portion of Menifee Rd. (unmarked), on the old Clydesdale horse ranch 461 Comment
  RSA180403  Chorizanthe procumbens E. W. Lathrop 1959-5-29 4590 Riverside 14 miles W of Murieta. Tenaja canyon grassland back of Tenaja Guard Station Comment
  CAS-BOT-BC246234  Chorizanthe rigida John H. Thomas 1957-3-30 6530 Riverside 0.8 miles east of Cactus City, about 13 miles east of Coachella, near U.S. Highways 60 and 70. Colorado Desert. 518 Comment
  SD138825  Chorizanthe xanti var. leucotheca Craig Reiser 1993-5-17 Riverside Cajon Pass near freeway and Highway 138 turnoff Comment
  UCR50428  Chrysanthemum carinatum Claudia Petrie 1988-4-1 s.n. Riverside Experimental fields at UCR Comment
  RSA601162  Chrysanthemum parthenium Scott D. White 1996-8-15 4478 Riverside Strawberry Creek at Hwy 74 bridge. 884 Comment
  UCSB16204  Chrysolepis sempervirens Barrick, Linda 1963-5-4 Riverside near Black Mountain Public Campground, 7 mi. N of Banning- Idyll- wild Road via Black Mountain Road 2133 Comment
  RSA607248  Chrysothamnus nauseosus subsp. consimilis R. S. Woglum 1937-10-20 1199 Riverside Peninsular Ranges, Santa Rosa Mountains. Comment
  SBBG60506  Chylismia cardiophylla subsp. cardiophylla S. W. Hutchinson -Feb-1926 752 Riverside entrance to Painted Cyn Comment
  UCR244295  Chylismia cardiophylla subsp. cardiophylla Jim Andre 2012-4-16 20878 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
  UC873936  Chylismia claviformis subsp. aurantiaca Ira L. Wiggins 1937-3-9 8764 Riverside dunes 20 mi n Indio Comment
  RSA557323  Cirsium vulgare Julie Greene, Scott D. White 1993-7-5 1390 Riverside San Jacinto Wildlife Area, On raised wet area, west of dirt road. 445 Comment
  RSA0021296  Cistanthe monandra Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4660 A Riverside Around the confluence of the San Gorgonio and Whitewater river drainages, just south of the historic Palm Springs Station, about 1.5 air miles northwest of Windy Point. 340 Comment
  RSA487442  Cistanthe monandra Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  RSA791720  Clarkia Robert F. Thorne, Walter Wisura, David Mitchener 1982-05 55196 Riverside Cleveland National Forest: Along Ortega Hwy. 732 Comment
  CLARK-A1528-641  Clarkia cylindrica I. Rauch 1968-5-14 Riverside Santa Ana River Comment
  OBI35627  Clarkia dudleyana Louis B. Ziegler 1972-6-5 473 Riverside San Jacinto Mts-in cyn at lower end of Poppet flats 1067 Comment
  UC1280013  Clarkia dudleyana Peter H. Raven with R. Snow 1957-7-26 11084 Riverside 0.9 mi n Vista Grande Ranger Station (along Banning to Idyllwild road); San Jacinto Mountains Comment
  UCR178338  Clarkia dudleyana Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 652 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  POM13821  Clarkia epilobioides P. A. Munz 1922-4-28 5052 Riverside 3 miles south of Glen Ivy Comment
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Apr 3 2011
  POM122440  Clarkia purpurea subsp. quadrivulnera Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  CLARK-A1528-2657  Clarkia rhomboidea Pam Maynard 1974-5-27 Riverside Mount San Jacinto 1280 Comment
  UCR16350  Clarkia similis M. Wexler 1973-5-13 s.n. Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, 10.18 mi from Orange Co. line on State Route 74, east face of mountains 457 Comment
  RSA0120309  Claytonia parviflora subsp. parviflora Duncan S. Bell 2016-4-16 9318 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA757990  Claytonia parviflora subsp. parviflora Doug Goldman 2005-5-11 3281 Riverside White Post Turn on Rt. 74, to the E. side of the road and NW part of the turn, about 3.9mi W. of the intersection with Rt. 243. San Bernardino National Forest. 1088 Comment
  UCR121663  Claytonia parviflora subsp. viridis A. C. Sanders 1997-3-19 20012 Riverside Lake Skinner area, hills between Tucalota Creek and lower Rawson Canyon, c. 1/2 mi. (1 km) east of the lake 488 Comment
  RSA613430  Clematis D. L. Banks 1997-4-5 1662 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
  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
  POM128665  Collinsia concolor E. C. Jaeger 1925-5-1 s.n. Riverside Dripping Spring near Temecula. Comment
  CLARK-A1045-340  Collinsia heterophylla George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Hemet 15'Q Comment
  RSA559962  Collinsia heterophylla Steve D. Boyd, Orlando Mistretta 1992-4-23 7073 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. 244 Comment
  SEINET10305082 Image available Collinsia heterophylla var. austromontana Norman C. Cooper 1944-6-16 1429 Riverside Peninsular Range; San Jacinto Mountains; Pine Cove 1524 Comment
  HSC28498  Colubrina californica Richard Spjut 1973-4-10 3296 Riverside Colorado Desert, N face of Chuckawalla Mtns., 3-4 mi. S of Desert Center 305 Comment
  RSA0043037  Colubrina californica Duncan S. Bell, Evan Meyer 2014-4-3 6531 Riverside Chuckwalla Mountains; northeast section of range; Spring Tank, approximately 3.25 air miles southeast of Desert Center. 446 Comment
  SD140011  Colubrina californica Andy C. Sanders, E. J. Lawlor 1992-4-4 12112 Riverside McCoy Mountains; within I(c) mile of Mc Coy Spring, below and to the south of the canyon bottom 244 Comment
  CAS-BOT-BC126835  Condalia parryi Nancy Ryan Zabriskie; Walter Zabriskie 1969-4-2 188 Riverside Edge of basin on way to Eagle Pk., Andreas Canyon watershed, near Palm Springs 731 Comment
  RSA496374  Convolvulus simulans Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3049 Riverside Vail Lake area, 0.75 mile NW of dam. 622 Comment
  UC1595730  Convolvulus simulans Steve Boyd and Tim Ross 1991-6-14 6405 Riverside rolling hills just sw jtn of Briggs Rd and Scott Rd (e of Hwy I-215, between Sun City and Murrietta); Paloma Valley Comment
  JEPS6759  Cordylanthus nevinii W. L. Jepson 1903-8-9 2323 Riverside near summit (forks of trail); San Jacinto Peak Comment
  RSA0103097  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8543 Riverside Santa Rosa Mountains; along the Cactus Spring Trail, just above Horsethief Creek. 1064 Comment
  RSA561884  Cordylanthus rigidus subsp. setiger Steve D. Boyd, Tim S. Ross 1992-6-10 7644 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido., An isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  UCR108473  Coreopsis A. C. Sanders, D. Woodard, K. C. Rose 1995-3-22 16195 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  JOTR29613  Coreopsis bigelovii Andre, Jim 2006-4-26 6751 Riverside Joshua Tree National Park. about 0.5 mi. NNE of Rattlesnake Spring on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  UCD143009  Coreopsis bigelovii Raymond A. Evans 1999-3-1 s.n. Riverside North of Palm Springs, mouth of White Water Canyon. Comment
  RSA0042779  Cornus nuttallii Elwood Fordham 1951-5-26 s.n. Riverside San Jacinto Mtn. Dark Canyon. 1828 Comment
  SDSU13950  Crassula aquatica Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2091 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  UCR187316  Crassula aquatica Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1776 Riverside Peninsular Ranges; San Jacinto Mountains region, Mount San Jacinto State Park, Hidden Lake 2652 Comment
  RSA560370  Crassula connata Steve Boyd 1992-4-14 6812 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  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
  CLARK-A1528-423  Crassula erecta Fred B. Essig 1967-5-7 Riverside Riverside 457 Comment
  SD127442  Crocanthemum aldersonii Reid Moran 1969-10-25 16664 Riverside Poppet Flat Road, N slope San Jacinto Mts. 1250 Comment
  UC284252  Crocanthemum aldersonii P. A. Munz 1923-6-14 7054 Riverside Glen Ivy Trail to Santiago Peak; Santa Ana Mts. 1219 Comment
  UC669209  Crossosoma bigelovii Annie M. Alexander and Louise Kellogg 1941-2-28 1877 Riverside Andreas Canyon San Jacinto Mountains 365 Comment
  CHSC109025  Croton californicus Orlando Mistretta; D. Bell, J. Beckman, J. England, K. Kane, et al. 2010-4-12 4604 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell; between N33.95609, W116.64365 and N33.95477, W116.64248. 525 Comment
  SD80026  Croton californicus Nancy R. Zabriskie, Walter Zabriskie 1970-12-29 333 Riverside Beside Andreas Cnyon Club entrance gate on South Palm Canyon Drive, Palm Canyon watershed, east slope of San Jacinto Mountains. 170 Comment
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Apr 17 2011
  SEINET9252995 Image available Croton californicus Scott D. White 1995-12-24 3798 Riverside Lakeview Mountains, about 5 road mi SE of Davis Road/Ramona Expressway intersection. 610 Comment
  SFV11883  Croton californicus R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UC1329962  Croton californicus James E. Cole 1941-4-13 561 Riverside 0.5 mi n Meek's Cabin; Joshua Tree National Monument, Pinto Pass Comment
  UCR275361  Croton californicus T. B. Salvato, Melissa Clemons 2005-6-9 1504 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  RSA480571  Croton californicus var. mohavensis G. R. Johnstone 1929-11-28 s.n. Riverside 20 miles from Palm Springs 244 Comment
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Nov 11 2011
  RSA89903  Crypsis vaginiflora J. C. Roos 1952-6-4 5735 Riverside San Jacinto River bottomland 1.5 miles SE of Perris. 427 Comment
  SEINET6971881  Cryptantha W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  POM368193  Cryptantha angustifolia M. B. Dunkle 1933-3-4 3047 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA191745  Cryptantha angustifolia R. F. Thorne 1963-3-29 32410 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  UC79221  Cryptantha angustifolia C. R. Orcutt 1889-1 Riverside Colorado Desert Comment
  UCR167248  Cryptantha angustifolia John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  SD128709  Cryptantha barbigera Darley F. Howe 1980-4-16 Riverside 8.5 miles south of Highway 10 on Cornsprings Road, Chuckwalla Mountains 550 Comment
  UCR92482  Cryptantha barbigera George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  RSA777765  Cryptantha barbigera var. barbigera Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1086 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  SD240916  Cryptantha barbigera var. barbigera Dave Silverman 2010-3-30 7883 Riverside Palo Verde Mesa, E. bajada flank of southern McCoy Mountains, 800 m W of Black Creek Road, 4.5 km N of I-10, and 8 km E of McCoy Pk. 155 Comment
  UCR252636  Cryptantha corollata T. B. Salvato, Matthew Malle 2013-4-4 7506 Riverside Perris-Aguanga Basin, Sedco Hills, Crab Hollow Circle between Lost Road and Lake View Drive 588 Comment
  UCR20839  Cryptantha costata A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1304 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
  RSA0078807  Cryptantha cycloptera Duncan S. Bell 2010-4-2 693 B Riverside Arica Mountains: collecting along the ridgeline of the mountain range about 0.3 air mile north of the summit. 561 Comment
  RSA0103651  Cryptantha cycloptera Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2182 Riverside Northwest end of the McCoy Mountains, NW of Blackjack Mine. 400 Comment
  UC1787284  Cryptantha decipiens A. C. Sanders, K. Rose, D. Woodard 1995-3-22 16212 Riverside Coachella Valley: mouth of San Gorgonio Pass, alluvial fan just E of the mouth of Whitewater Canyon between Windy Point and I-10. 365 Comment
  POM254900  Cryptantha dumetorum P. A. Munz 1940-3-24 15708 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  POM368267  Cryptantha intermedia Christopher Davidson, Robert Gustafson 1977-4-7 5579 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. 610 Comment
  RSA499709  Cryptantha intermedia Ora M. Clark 1929-4-6 1938 Riverside W. San Jacinto Comment
  RSA786099  Cryptantha intermedia C. P. Cowan 1978-4-24 1254 Riverside 19.6 mi S on Hwy 74 from its jct with Hwy 111 at Indian Wells. Sta. Rosa Road, 1.9 mi S of 74. Whittaker transect no.W-225(voucher). Comment
  UC1792809  Cryptantha intermedia A. C. Sanders 2001-4-8 23983 Riverside Western Colorado Desert: Coachella Valley, Desert Hot Springs, N of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 347 Comment
  UC604898  Cryptantha intermedia Roxana S. Ferris and Ruth P. Rossbach 1938-5-20 9665 Riverside foot of grade, State Highway 74, along San Jacinto River San Jacinto River Comment
  UCR215620  Cryptantha intermedia Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 07 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  UCR231803  Cryptantha intermedia Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 09 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  UCR98704  Cryptantha intermedia 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
  RSA777771  Cryptantha maritima Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 978 Riverside Road to Priest's Well, east side of Arica Mountains 488 Comment
  UC79467  Cryptantha maritima W. G. Wright Mar 1890 Riverside Colorado Desert Comment
  SEINET10456349  Cryptantha maritima David B. Dunn 1948-2-21 Dunn 3677 Riverside Borage in wash; Pushawalla; a rain about 2 weeks earlier. Hills still quite dry. Comment
  SDSU21879  Cryptantha maritima var. maritima Kristen Hasenstab, M. G. Simpson 2008-4-1 47 Riverside In Fan Canyon, just inside the boundary for Joshua Tree National Park. Located in a wide desert wash. 640 Comment
  UC1178517  Cryptantha micrantha Peter Kamb 1948-7-4 1155 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  UCR133046  Cryptantha micromeres Jeri Hirshberg 1989-3-27 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta; at top of Cole Canyon 579 Comment
  HSC82995  Cryptantha muricata N. M. Fellows 1985-3-3 91 Riverside Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of San Jacinto Mtns., l mi. W of Snow Creek Village. 489 Comment
  UCR13433  Cryptantha muricata P. M. Hasegawa 1973-5-20 s.n. Riverside San Jacinto Mtns, North Shore of Lake Hemet, in an area about 100-200 m north of the middle public parking lot. 1646 Comment
  RSA0119988  Cryptantha muricata var. denticulata Duncan S. Bell, Thomas Stoughton 2016-4-13 9264 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  JEPS67818  Cryptantha racemosa W. L. Jepson 1914-5-18 6013 Riverside n of Indio (between Pinyon Well and County Well); Colorado Desert 762 Comment
  SEINET2042095 Image available Cryptantha utahensis A. C. Sanders 2001-4-8 23985 Riverside (Desert Hot Springs Quad 7.5') Coachella Valley, Desert Hot Springs, N of intersection of Pierson Blvd. And Atlantic Ave, N of flood control ditch. 348 Comment
  UCR16097  Cryptantha utahensis Loretta Bates 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Box Canyon Road, 1 mi. north of Painted Canyon Road and 5 mi. north of Mecca. Comment
  SEINET6654702  Cucurbita palmata R. E. Riefner Jr. 2006-8-2 06 -349 Riverside Lakeview Mountains, vicinity of Alicante Dr at Jamawag Rd, N of Leon Rd.; 0 550 Comment
  CAS-BOT-BC224550  Cuscuta californica A. C. Sanders; Kerry Knudsen; T. B. Salvato 2004-5-18 27901 Riverside Peninsular Range: summit ridge of Alberhill Mountain, along dirt road 503 Comment
  RSA674613  Cuscuta californica Scott D. White 2000-8-5 8106 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  RSA13685  Cuscuta salina P. A. Munz, I. M. Johnson 1922-5-18 5410 Riverside 1 mile west of Hemet Comment
  UCR266409  Cuscuta salina D. E. Bramlet, R. E. Riefner Jr. 2005-6-7 3874 A Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 1.6 km west of SW end of Hemet-Ryan Airport and 4.25 km NE of Winchester, c. 300 ft. north of Stetson Ave & 900 ft. east of California Ave., west of MWD Canal 457 Comment
  CLARK-A1703-57  Cuscuta subinclusa H. A. Zuill 1966-7-4 275 Riverside Murrieta Comment
  UCR261156  Cycloloma atriplicifolium A. C. Sanders, Katie Young, John Hale 2015-4-22 41592 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 1.6 km south of I-10, 1.2 km NW (319 deg. ) of One Horse Spring 458 Comment
  RSA0059450  Cylindropuntia californica var. parkeri Lyman Benson 1963-7-13 16388 Riverside 1/2 mile north of Aguanga. 610 Comment
  JOTR35524  Cylindropuntia chuckwallensis Harding, Mitzi, M. Baker and M. Cloud-Hughes 2013-4-12 133 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Canyon, approx. 0.5 km southwest of Cottonwood Spring 966 Comment
  SD247385  Cylindropuntia munzii Andy Sanders, T. Thomas, et al. 2012-11-1 40509 Riverside Sonoran (Colorado) Desert: Chuckwalla Bench, south of the Chuckwalla Mountains, along Bradshaw Trail 1 kilometer southeast of Augustine Road junction, large wash on southwest side of road. 694 Comment
  RSA772336  Cynodon dactylon Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4516 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA192178  Cynodon dactylon H. A. Zuill 1966-6-27 246 Riverside 2 - 4 miles WSW of Murrieta. Comment
  SEINET3004915  Cyperus G. Rink, M. Baker, T. Thomas, M. Honer, A. Karl 2010-10-2 10333 -b Riverside Canal two miles north of Blythe. 70 Comment
  UCR77594  Cyperus eragrostis Steve Boyd 1991-7-13 6408 Riverside Peninsular Range, Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road Comment
  RSA703631  Cyperus niger Scott D. White, Angelia Carey 2004-9-16 10759 Riverside Indian Creek watershed, above confluence w/ San Jacinto River. Former homestead area with persisting pond (cattle pond?) & adj. wetlands and seep. 579 Comment
  POM158185  Cyperus odoratus I. M. Johnston 1928-9-6 11270 Riverside Santa Ana River, Ontario - Corona road. Comment
  CAS-BOT-BC70571  Cystopteris fragilis Geo. B. Grant 1901-8-1 464 Riverside Strawberry Valley, San Jacinto Mts. 1524 Comment
  RSA751278  Cystopteris fragilis A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35646 Riverside May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  CSUSB1282  Dalea californica Tony Beck 1968-4-28 680428 5 Riverside Colorado Desert West Colorado Desert. 4 miles south of trout farm on Whitewater Canyon Road. About 100 yards east of the road in dry, sandy soil. 548 Comment
  CLARK-A1528-2767  Dalea emoryi John C. Roos 1966-5-2 Riverside Palm Springs Comment
  SEINET12155980  Dalea emoryi L. S. Rose 1936-1 36789 Riverside Palm Springs 139 Comment
  POM172739  Dalea mollis M. French Gilman 1930-4-6 2 Riverside Road to shavers well, east of Mecca. Comment
  RSA0106713  Dalea mollis Duncan S. Bell 2011-9-30 2943 A Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  RSA48327  Dalea mollis E. K. Balls 1949-4-4 12961 Riverside Hollows between Durmid and Salton sea on Hwy 111. -30 Comment
  RSA796027  Dalea mollis Duncan S. Bell 2009-4-18 237 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  SEINET3004993  Dalea mollis G. Rink, M. Baker 2011-4-3 10421 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 170 Comment
  UCR138565  Dalea mollis Steve Boyd, Orlando Mistretta 1986-3-13 1468 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UCSB18651  Dalea mollis Winn, Will 1963-4-8 Riverside U.S. Highway 60-70; 29.6 miles east of Desert Center 243 Comment
  SEINET10452145  Dalea mollissima David B. Dunn 1946-3-16 Dunn 2069 Riverside Collected on dry plateau 1/2 mi ne of pushawalla palms. Indio hills. Sparse Desrt scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  JOTR00878  Dalea mollissima Sipe, Frank 1958-3-10 235 Riverside Joshua Tree National Park. PINTO BASIN Comment
  OBI43206  Datisca glomerata Hal Royaltey 1970-5-15 Riverside 9 mi from De Luz on Murrieta-Fallbrook rd Comment
  RSA736703  Datura wrightii Scott D. White 2004-4-26 10245 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  UCSB17915  Datura wrightii Brooks, Terry 1963-5-4 Riverside State Highway 111, 9.2 miles W of Palm Desert 106 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
  CAS-BOT-BC294113  Deinandra kelloggii H. A. Dutton 1899-6-12 s.n. Riverside Warm Springs Valley, Elsinore Comment
  SD82947  Deinandra kelloggii Andrew R. Moldenke, Harold N. Moldenke 1971-4-25 25509 Riverside Aguaranga [Aguanga] (mak 11/06) Comment
  SBBG104656  Deinandra paniculata M. A. Patten 1992-5-28 92 -13 Riverside just E of Temecula, between Pauba Rd on the N and De Portola Rd on the S, the W boundary of site adjacent to Butterfield Stage Rd 365 Comment
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Aug 24 2013
  HSC34791  Delphinium hesperium R. E. Cooksey Mar 1974 205 Riverside Salton Sink in San Bernardino Mtns., White Water Canyons 305 Comment
  RSA0020481  Delphinium parishii subsp. parishii I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, Colorado Desert. 366 Comment
  RSA0020485  Delphinium parishii subsp. parishii Marjorie Shaw 1916-05 s.n. Riverside Palm Springs. Comment
  SEINET7048163  Delphinium parishii subsp. parishii Steven R. Hill 2001-5-3 33665 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
  RSA757731  Delphinium parryi LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4352 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
  UCR167435  Delphinium parryi 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
  UCR274310  Delphinium parryi Dick Newell, Judy Booth 2016-5-22 425 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide Road, 3/4 mile NW of Elsinore Peak 944 Comment
  UCR86246  Delphinium parryi Jeri Hirshberg 1995-5-27 s.n. Riverside San Jacinto Mtns., Garner Valley, edge of meadow c. 50 m west of Fobes [Ranch] Road 1366 Comment
  UC162675  Delphinium parryi subsp. maritimum H. M. Hall 1897-4-3 424 Riverside Winchester Comment
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Mar 20 2011
  CAS-BOT-BC121431  Delphinium parryi subsp. parryi Philip Alexander Munz; Street; Williams 1919-5-28 105739 Riverside San Gorgonio Pass near Banning 701 Comment
  UC855085  Dendromecon rigida P. A. Munz and I. M. Johnston 1922-5-19 5406 Riverside canyon bed near mouth of Strawberry Creek; San Jacinto Canyon 762 Comment
  UCR92633  Deschampsia danthonioides G. R. Ballmer 1996-4-10 s.n. Riverside Skunk Hollow, 6 mi. east of Murrieta, on W side of Pouroy Road 457 Comment
  UCD114768  Descurainia pinnata J. Warren 1952-4-6 s.n. Riverside Palm Springs. 457 Comment
  JOTR35280  Descurainia pinnata subsp. glabra Andre, Jim 2012-4-16 20981 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  RSA433550  Dicentra chrysantha Robert Gustafson 1983-4-18 2499 Riverside Clinton Keith Rd. about 2.5 miles from its junction with Hwy 15, eastern slopes of the Santa Ana Mtns. 457 Comment
  SD38252  Dicentra chrysantha Newton 1931-5-10 2073 Riverside Murrieta Canyon Comment
  CAS-BOT-BC254516  Dichanthelium acuminatum subsp. acuminatum H. M. Hall 1901-6-1 2244 Riverside San Jacinto Mountains. North Fork 914 Comment
  UCR155058  Dichelostemma capitatum Jason L. Hlebakos 2005-5-30 814 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UCR260839  Dichelostemma capitatum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41514 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
  HSC47476  Dicoria canescens Richard Spjut, Judy Adams 1978-11-22 5238 Riverside Colorado Desert; vicinity of North Palm Springs along Indian Ave. Comment
  PASA833  Dicoria canescens Frank W. Peirson 1920-12-29 Riverside One and one-half miles east of Thite-water 304 Comment
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Nov 12 2014
  RSA770883  Dicoria canescens Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4639 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC64816  Dicoria canescens E. E. Schellenger 1904-10-15 50 Riverside Whitewater Station 0 Comment
  UCD131187  Dicoria canescens L. S. Rose Date unknown s.n. Riverside Palm Springs, Colorado Desert. 138 Comment
  SD115008  Dieteria canescens var. ziegleri Fred T. Sproul 1977-8-13 185 Riverside Along road to Santa Rosa Pk. At beginning of Pine-Oak Woodland (mak 11/07) Comment
  CLARK-A1528-4588  Digitaria sanguinalis John C. Roos 1937-8-17 2547 Riverside San Jacinto Comment
  CAS-BOT-BC150878  Diplacus X australis Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Mts., San Juan Canyon, Highway 74 609 Comment
  SD139995  Diplacus brevipes Scott White 1993-4-22 1227 Riverside North Alberhill Ranch, in hills N of Walker Canyon 487 Comment
  SD186339  Diplacus brevipes Andy C. Sanders, M. Misenhelter 2005-6-15 30959 Riverside 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 summitof (Big) Oak Mtn., SW of Rocky Ridge and SE of Black hills 640 Comment
  SBBG102809  Diplacus longiflorus D. M. Thompson 1992-5-18 1069 Riverside Lakeview (at Roman Expressway) along Davis Rd; 3.8 road mi S of St Hwy 60 484 Comment
  SD132999  Diplacus longiflorus Scott White 1991-5-13 91 101 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs 548 Comment
  UCR102723  Ditaxis californica B. G. Pitzer 1998-1-24 3409 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
  UCR21633  Ditaxis claryana Steve Boyd 1980-8-26 s.n. Riverside Santa Rosa Mtns, Magnesia Springs Canyon, at cove by first waterfall 244 Comment
  GMDRC3107  Ditaxis lanceolata J. Andre, T. La Doux 2008-9-13 10270 Riverside Eagle Mountains: at Joshua Tree Natl. Park boundary, lower slopes of south end of Eagle Mtns, along aqueduct access road 33 deg. 44.231' N 115 deg. 29.059' W. Elev. 1164 ft. 355 Comment
  JOTR37430  Ditaxis lanceolata Hodges, Stephen R., T. Hender 2015-12-29 552 Riverside Joshua Tree National Park. Eagle Mountains, Mouth of Dragon Wash (Stop 1) Comment
  UCR59708  Ditaxis lanceolata A. C. Sanders 1989-9-19 9500 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
  UCR180228  Ditaxis neomexicana Scott D. White, Pam Devries 2006-3-14 11255 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  UCR208852  Ditaxis neomexicana Scott D. White 2001-4-12 8311 Riverside Sonoran (Colorado) Desert, Shavers Valley, north of the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 351 Comment
  UCR211493  Ditaxis neomexicana Jim Andre, T. La Doux 2008-9-13 10261 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177 (NW side), southeast end of Coxcomb Mountains, east boundary of Joshua Tree National Park 161 Comment
  VVC648  Ditaxis neomexicana P. J. MacKay 1997-2-8 103 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  RSA4877  Ditaxis serrata C. B. Wolf 1932-4-27 s.n. Riverside Colorado Desert, 14 miles E. of Mecca on Blythe Road 152 Comment
  RSA70430  Ditaxis serrata F. W. Peirson 1932-12-28 s.n. Riverside Andreas Canyon, near Palm Springs 244 Comment
  RSA798843  Ditaxis serrata var. californica Duncan S. Bell, Amanda Bell, Evan Bell 2012-10-7 4344 Riverside Arica Mountains: collecting in narrow canyon in center of range within the Palen/McCoy Wilderness, approximately 2.25 air miles west of Priests Well, or approximately 6.75 air miles southwest of the ghost town of Rice. 429 Comment
  POM14206  Dithyrea californica P. A. Munz, D. D. Keck 1922-4-14 4983 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash 91 Comment
  RSA66544  Dithyrea californica F. W. Peirson 1920-2-14 4178 Riverside Whitewater Station, Colorado Desert Comment
  UC118027  Dithyrea californica T. S. Brandegee 1902-5-14 Riverside Whitewater Comment
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Jan 15 2010
  UCR166005  Dithyrea californica Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  UC856110  Draba corrugata var. saxosa P. A. Munz 1922-7-7 6043 Riverside summit San Jacinto Peak San Jacinto Mts., summit San Jacinto Peak 3285 Comment
  RSA775294  Draba cuneifolia Duncan S. Bell, The Habitat Work Organization 2011-3-19 2063 Riverside West side of the Chuckwalla Mountains; north of Red Cloud Mine Road; approximately 1 air mile southwest of Lost Pony Mine. 599 Comment
  UCR41829  Draba cuneifolia A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6118 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA530888  Draba saxosa Anstruther Davidson 1896-7-11 1878 Riverside Top of San Jacinto Peak Comment
  SEINET784712  Drymocallis glandulosa var. viscida Malcolm G. McLeod 1971-6-22 462 Riverside Idyllwild Comment
  UC454989  Drymocallis glandulosa var. viscida I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2590 Comment
  UC1523646  Dryopteris arguta Robert F. Thorne, Steve Boyd, and Earl Lathrop 1985-7-18 61181 Riverside Cole Canyon; Santa Rosa Plateau, Nature Conservancy Reserve 535 Comment
  SEINET9193809 Image available Dudleya Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17945 Riverside 300m south of Desert Queen Mine (McHaney's Mine), 12.5 km SSW of Twenty Nine Palms, 1.5km ESE of Negro Hill 1360 Comment
  UCR166700  Dudleya edulis Scott D. White, Jennifer H. Jones 2005-7-5 11151 Riverside Santa Ana Mtns, Rainbow Valley area, west of I-15 and just N of San Diego Co. boundary 579 Comment
  RSA502499  Dudleya lanceolata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3741 Riverside Vail Lake area, S flank of Oak Mountain, N of the lake. 549 Comment
  UCR251938  Dudleya lanceolata Harun Bektas 2011-4-26 12 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  CAS-BOT-BC109650  Dudleya saxosa subsp. aloides Reid Moran 1947-5-10 2181 Riverside Palms-to-Pines highway 1 mile east of Santa Rosa Summit. 1371 Comment
  JOTR30636  Dudleya saxosa subsp. aloides La Doux, Tasha, Erin Babich 2008-4-21 1799 Riverside Joshua Tree National Park. Stop 3-Little San Bernardino Mountains, S of Covington Flat 1290 Comment
  RSA0123698  Dudleya saxosa subsp. aloides Duncan S. Bell, LeRoy Gross 2016-3-30 9166 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  RSA249461  Dudleya saxosa subsp. aloides John F. Emmel 1973-5-12 451 Riverside Dos Palmas Spring & Carrizo Creek wash, NE of Pinyon Crest, E end of San Jacinto Mts. 1067 Comment
  RSA397828  Dudleya saxosa subsp. aloides N. R. Zabriskie, W. M. Zabriskie 1973-4-25 648 Riverside N slope Santa Rosa Mtns., Deep Canyon drainage. Lower portion of steep-walled canyon overlooking salamander oasis. 915 Comment
  RSA6650  Dudleya saxosa subsp. aloides C. B. Wolf 1932-5-25 1504 Riverside Small Canyon on Gilman Ranch in foothills north of Banning 854 Comment
  RSA773192  Dudleya saxosa subsp. aloides Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4893 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
  UCR211721  Dysphania botrys Fred M. Roberts, D. E. Bramlet 2005-6-6 6246 Riverside Perris Basin, San Jacinto Valley, San Jacinto River Wash, just west of SR 79 overpass, 1.4 km west-southwest of Gilman Hot Springs 442 Comment
  UCR92350  Echinochloa crus-galli Scott D. White, S. Ogg 1994-10-17 2468 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  HSC37506  Ehrendorferia chrysantha J. D. Ackerman, A. M. Montalvo 1975-6-26 529 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, above SanJuan Campground, Cleveland National Forest 610 Comment
  SBBG16250  Ehrendorferia chrysantha P. H. Raven 1962-4-29 17485 Riverside Ortega Hwy, 1 mi above its E base 487 Comment
  SD219027  Elatine californica Robert F. Thorne 1973-5-23 43840 Riverside Santa Rosa Plateau-Mesa de Colorado: N edge of large vernal marsh in shallow water. 609 Comment
  CLARK-A1045-317  Eleocharis bella George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool near headwaters of creek; Wildomar 7.5'Q Comment
  RSA719526  Eleocharis bella Naomi Fraga, et al. 2006-7-11 1727 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UCR15635  Eleocharis bella George K. Helmkamp 1978-6-1 s.n. Riverside Santa Ana Mountains, Santa Rosa Plateau, vernal pool 7 mi [west] of Murrieta near the origin of DeLuz Creek 671 Comment
  SEINET3127287  Eleocharis macrostachya W. B. Crockatt sn Riverside Prado 91 Comment
  UC1930097  Eleocharis macrostachya Scott D. White, Justin Wood 2008-6-5 12087 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 @ Thomas Mountain Rd. - SW corner of junction. Comment
  RSA699627  Ellisia chrysanthemifolia Keith E. Hoffmaster 1934-4-8 s.n. Riverside Santa Ana Mts. Comment
  CAS-BOT-BC203837  Elymus X hansenii Peter H. Raven 1958-5-5 12881 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument Comment
  CAS-BOT-BC206529  Elymus glaucus subsp. glaucus H. M. Hall 1901-6-1 2097 Riverside Slopes and benches of the south side - San Jacinto Mountains 1463 Comment
  UCR213879  Elymus hispidus Scott D. White, Justin M. Wood 2008-6-16 12124 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  RSA0123370  Emmenanthe penduliflora Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9034 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA516412  Emmenanthe penduliflora Walter Wisura, Bart O'Brien, T. Hayduk 1990-5-12 4424 Riverside Ortega Hwy. below switchbacks, near Lake Elsinor, in burned area. Comment
  UCR216026  Emmenanthe penduliflora Oleg Pryadko 2008-5-2 084 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  SEINET12279715  Emmenanthe penduliflora J. Bright, Wyman, C. 1933-1 8080 Riverside between Radio and Palm Springs Comment
  RSA282914  Encelia actoni C. W. Tilforth, John Dourley 1980-7-15 2080 Riverside South of Tool Box Springs Campground, Thomas Mtn. Rd., south of Lake Hemet & west of [Highway] 74. Comment
  SD112394  Encelia actoni Darley F. Howe 1936-6-14 361 Riverside San Jacinto Mountains Comment
  UCR82902  Encelia actoni A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15801 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  POM4956  Encelia californica H. M. Hall 1902-04 2922 Riverside Vicinity of Riverside 366 Comment
  UCR232047  Encelia californica John F. Green 2008-4-15 0408- 10 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
  CAS-BOT-BC131320  Encelia farinosa G. P. Rixford 1915-4-3 s.n. Riverside Riverside 426 Comment
  UC1118066  Encelia farinosa A. Lewis Mar 1933 180 Riverside Rubidoux Mountain Riverside Quad., Rubidous Mountain 304 Comment
  POM4935  Encelia farinosa var. farinosa L. T. Street, M. Durant 1918-5-12 s.n. Riverside Box Springs. Comment
  UCR262468  Enchylaena tomentosa A. C. Sanders, Richard Block 2015-7-4 41746 Riverside Peninsular Range, Riverside, R. & J. Block residence on Two Trees Rd. in Belvedere Heights neighborhood 396 Comment
  RSA234110  Ephedra aspera Robert F. Thorne, R. Carolin 1967-3-21 41640 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  SEINET909547  Ephedra aspera R. H. Peebles, H. F. Loomis 1930-1 151 Riverside Monsen Canyon, Riverside County, California (Eagle Mts.) Comment
  UC813661  Ephedra aspera I. W. Clokey 1935-4-17 6510 Riverside Cottonwood Springs Comment
  POM214536  Ephedra californica Joseph A. Ewan 1932-4-8 7047 Riverside Whitewater Canyon, about 3 miles above mouth. Comment
  RSA296153  Ephedra californica B. A. Prigge 1980-8-5 3831 Riverside Whitewater Canyon, 0.5 miles N of trout farm 701 Comment
  RSA336038  Ephedra californica Robert F. Thorne, W. Wisura, A. Shmida, R. Whittaker 1978-4-23 52035 Riverside Chino Canyon Comment
  RSA383874  Ephedra californica A. Menke 1955-5-22 s.n. Riverside Palm Springs Station. Comment
  UCR177857  Ephedra californica Marisa Sripracha, K. A. Boyd 2004-3-21 045 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  CAS-BOT-BC81822  Ephedra nevadensis C. L. Hitchcock 1940-3-29 5868 Riverside Cottonwood Canyon ca. 100 yards east of Spring Comment
  RSA0019797  Ephedra trifurca April Garbat, Kristin Forgrave 2013-5-14 68 -A Riverside Blythe-Rice Rd, at the valley bottom approx 2 mi S of Hwy 62 (S of RR tracks) 243 Comment
  RSA0030700  Ephedra trifurca J. Andre 2013-3-27 24810 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  SD122931  Epilobium canum subsp. canum Steve Boyd 1985-8-7 1109 Riverside Santa Rosa Plateau region, northwest base of Redonda Mesa on Tenaja Road, 0.8 mile east of junction with 8S01 and 8S02 Comment
  RSA588342  Epilobium ciliatum subsp. ciliatum N. C. Cooper 1944-5-6 1176 Riverside Whitewater Canyon. 457 Comment
  RSA80634  Epilobium densiflorum F. W. Peirson 1924-7-29 5033 Riverside Banning to Idyllwild road, San Jacinto Mountains. 1570 Comment
  RSA698279  Epilobium glaberrimum J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto Mt. 2744 Comment
  RSA170449  Epipactis gigantea John Olmsted 1960-5-15 1469 Riverside Near intersection of main and west forks of Snow Creek, San Gorgonio River Drainage Area, San Jacinto Mountains. 762 Comment
  RSA263734  Epipactis gigantea E. W. Lathrop 1968-5-12 6854 Riverside 4 miles W of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive 305 Comment
  RSA263778  Epipactis gigantea R. Weatherby 1950-5-18 2967 Riverside Hagador [Hagador Canyon]. 396 Comment
  RSA381722  Epipactis gigantea M. B. Dunkle 1933-5-6 3423 Riverside Andreas Canyon, Colorado Desert. Comment
  UCSB925  Epipactis gigantea Kamb, Peter 1948-7-11 Riverside Hall Canyon; San Jacinto Mtns 1645 Comment
  POM966  Equisetum arvense D. L. Crawford 1916-3-1 s.n. Riverside Santa Ana River Valley Comment
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Sep 3 2011
  UC71400  Equisetum laevigatum E. A. Zumbro 1904-1 428 Riverside Cold Water Canyon; Santa Ana Mts. Comment
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Jan 11 2007
  CDA2087  Eragrostis cilianensis Steve Boyd 1989-7-9 3770 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  CLARK-A1528-4628  Eragrostis cilianensis John C. Roos 1965-7-7 Riverside San Jacinto Comment
  SEINET10558917  Eragrostis mexicana subsp. virescens Steve Boyd 1989-7-9 Boyd 3771 Riverside City of Riverside, weeds in vegetable garden of house at 4863 Rubidoux Ave. Comment
  RSA21763  Eremalche exilis Carl B. Wolf 1937-4-6 8435 Riverside Coachella Valley, 3 miles N of Indio. 0 Comment
  UCR166193  Eremalche exilis Nathan Moorhatch, John F. Green, Ted Rado 2005-4-19 s.n. Riverside Sonoran (Colorado) Desert, Desert Hot Springs, Desert Dunes Golf Course (SW corner) just east of Palm Ave. Approximately 0.5 miles north-east of Seven Palms Ranch 226 Comment
  RSA77195  Eremalche rotundifolia F. W. Peirson 1921-04 2384 Riverside Deep Canyon Wash, south of Indio Comment
  SD113836  Eremalche rotundifolia Darley F. Howe 1949-3-21 1972 Riverside 5.0 miles west of Blythe. Comment
  UCR148444  Eremalche rotundifolia John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 25 and 26, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR279349  Eremalche rotundifolia A. C. Sanders, Jim Malusa 2017-3-23 42942 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
  RSA570726  Eremocarpus setiger Steve Boyd, T. S. Ross, J. Travis Columbus 1993-10-23 8194 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  SD39505  Eremothera boothii subsp. condensata Edith A. Purer 1935-4-21 6383 Riverside Near Palm Springs Comment
  JOTR35328  Eremothera boothii subsp. desertorum Harding, Mitzi, Mark Wheeler 2012-2-28 95 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  CAS-BOT-BC514310  Eriastrum densifolium subsp. austromontanum G. B. Grant 1901-8-1 11429 Riverside San Jacinto Mountains: Strawberry Valley Comment
  CAS-BOT-BC514321  Eriastrum densifolium subsp. austromontanum Philip A. Munz 1927-5-29 15105 Riverside Dos Palmos Spring, N end Santa Rosa Mts. 1097 Comment
  RSA0105500  Eriastrum densifolium subsp. austromontanum Verne Grant, Alva Grant 1951-7-19 16088 Riverside Along Idyllwild road just above Hwy 74, San Jacinto Mts. 1220 Comment
  CAS-BOT-BC514475  Eriastrum eremicum subsp. eremicum Alice Eastwood 1913-4-30 2984 Riverside Palm Springs Comment
  RSA0120099  Eriastrum eremicum subsp. eremicum M. French Gilman 1928-05 s.n. Riverside Coachella Valley(?). Comment
  UC1929491  Eriastrum sapphirinum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10506 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  UCR215988  Eriastrum sapphirinum A. C. Sanders, T. B. Salvato 2000-5-25 23398 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR231733  Eriastrum sapphirinum John F. Green 2008-4-23 08- 16 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  SDSU13547  Eriastrum sapphirinum subsp. dasyanthum W. Miller 1972-7-20 Riverside Comment
  HSC85299  Eriastrum sapphirinum subsp. sapphirinum Steve Boyd 1986-5-7 1844 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck trail, S of I-15 Comment
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Dec 6 2013
  CAS-BOT-BC292798  Ericameria cuneata var. cuneata Nancy Ryan Zabriskie; Jan Grom Zabriskie 1972-10-21 543 Riverside SE of S end Marion Ridge Road, Pine Cove, SW drainage San Jacinto Mts. 1920 Comment
  RSA520085  Ericameria cuneata var. spathulata Steve Boyd 1988-10-8 2859 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  UCR194191  Ericameria linearifolia Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9012 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  UCR197055  Ericameria palmeri var. pachylepis A. C. Sanders, D. L. Sanders 2008-9-27 36109 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
  CDA29898  Ericameria palmeri var. palmeri Mike Lahti 2009-10-2 PDR# 1501842 Riverside Santa Rosa Hills, west of the city of Murrieta. 0 Comment
  UC87569  Erigeron coulteri T. S. Brandegee 1895-7-13 Riverside San Jacinto Mountains 2438 Comment
  UCR183332  Erigeron foliosus Mitch Provance 2003-5-5 4415 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR117336  Erigeron foliosus var. foliosus Mitch Provance 1998-6-11 651 Riverside Jurupa Mountains, NW Jurupa Mtns; south of the E extreme of Philadelphia St. 290 Comment
  RSA651278  Erigeron foliosus var. foliosus C. J. Humphrey 1936-6-7 422 Riverside [Unspecified] Comment
  RSA6095  Eriodictyon crassifolium Carl B. Wolf 1932-5-24 3650 Riverside 0.5 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 549 Comment
  UCR156084  Eriodictyon crassifolium T. B. Salvato, Kent Beaman 2005-5-16 806 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
  UCR35119  Eriodictyon crassifolium var. nigrescens L. B. Ziegler 1967-7-26 208 Riverside San Jacinto Mtns, Summit of Thomas Mountain 2080 Comment
  CAS-BOT-BC188972  Eriodictyon parryi John Thomas Howell 1928-7-8 4077 Riverside Trail to Santiago Peak above Glen Ivy, Santa Ana Mountains 1524 Comment
  UCR140876  Eriodictyon trichocalyx subsp. lanatum Chris E. True 2004-8-3 s.n. Riverside Santa Rosa mtns., Santa Rosa Mtn. Road, 0.3 mi. (air) SE of Mountain Home Spring 2134 Comment
  UCR237683  Eriodictyon trichocalyx var. trichocalyx Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4757 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 600 Comment
  CAS-BOT-BC248623  Eriogonum apiculatum Ralph Hoffmann 1929-9-5 s.n. Riverside Strawberry Valley, San Jacinto Mts. 2133 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
  RSA393168  Eriogonum davidsonii P. A. Munz 1922-9-6 s.n. Riverside North of Dark Canyon. 1524 Comment
  CAS-BOT-BC256120  Eriogonum deflexum var. deflexum W. L. Jepson 1912-10-22 5235 Riverside Near Riverside Mts., along the Colrado River, Needles to Yuma 137 Comment
  RSA554244  Eriogonum deflexum var. deflexum Theo Glenn 1991-5-30 91 -120 Riverside Mule Mtns, 0.2 mi. E of the Opal Hill Mine, just N of the Imperial County line and W of Palo Verde. Comment
  UCR258753  Eriogonum elongatum T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7911 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 0.6 mi north of Hwy 15 and Temescal Canyon 476 Comment
  CAS-BOT-BC249760  Eriogonum elongatum var. elongatum John Thomas Howell 1928-11-4 4089 Riverside Between Banning and Cabazon in San Gorgonio Pass Comment
  SD229217  Eriogonum elongatum var. elongatum Dick Schwenkmeyer 2012-10-16 927 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  RSA789366  Eriogonum fasciculatum Aaron C. Sedgwick, David Fraker 2012-3-28 42 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  SEINET5440853 Image available Eriogonum fasciculatum Richard Carter 1984-12-18 3857 Riverside 13.8 mi SW of Anza city center on Hwy 371. Comment
  CAS-BOT-BC249897  Eriogonum fasciculatum var. flavoviride Carl B. Wolf 1932-10-12 4293 Riverside Colorado Desert. Little San Bernardino Mts. Pinyon Well 1219 Comment
  JOTR32469  Eriogonum fasciculatum var. flavoviride Herskovits, Tasya, M. Harding 2011-5-20 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ryan Mountain; Rocky slopes bordering Ryan Mountain Trail (Stop 1) 1428 Comment
  POM159932  Eriogonum fasciculatum var. flavoviride E. C. Jaeger 1926-3-26 s.n. Riverside Cottonwood Springs. Comment
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Oct 9 2010
  UC218175  Eriogonum fasciculatum var. flavoviride P. A. Munz, D. Keck 1922-4-13 4949 Riverside Eagle Mtns. Colorado Desert, Eagle Mtns. 243 Comment
  LA206785  Eriogonum fasciculatum var. polifolium A. M. Johnson; 1932-8-18 4133 Riverside San Jacinto Mountains, along road, down Banning side Comment
  RSA33527  Eriogonum fasciculatum var. polifolium N. C. Cooper 1944-7-15 1576 Riverside Palms to Pine Hwy 152 Comment
  SEINET10624394  Eriogonum fasciculatum var. polifolium Greg Gust, Leith Nye 2005-3-11 Gust 543 Riverside Lake Elsinore City Limits. Hwy 74 ca. 2 mile W of Lake Elsinore on hill slope pullout. 691 Comment
  CAS-BOT-BC253492  Eriogonum gracile James L. Reveal; Caroline G. Reveal 1972-8-9 2850 Riverside Along California Highway 74, at Strawberry Creek about 5.5 miles west of the junction with Highway 243 914 Comment
  POM153373  Eriogonum gracile var. gracile P. A. Munz, I. M. Johnston 1928-9-12 11254 Riverside Temescal Canyon. Comment
  RSA596156  Eriogonum gracile var. gracile D. L. Banks 1996-11-7 1217 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; On the main road in the Reservation., 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  RSA527857  Eriogonum gracile var. incultum Scott D. White 1991-5-10 91 -153 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  CAS-BOT-BC257573  Eriogonum inflatum Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  UCR165285  Eriogonum inflatum John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UC1287110  Eriogonum inflatum var. inflatum C. L. Hitchcock 1966-3-21 24313 Riverside wash about 5 mi n Milpitas Wash (12 mi nw of Blythe-Glamis road) Comment
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Mar 2 2013
  JEPS56754  Eriogonum maculatum W. L. Jepson 1928-4-25 12599 Riverside wash below Cottonwood Spring; Colorado Desert, Eagle Mts. 731 Comment
  CAS-BOT-BC270592  Eriogonum molestum H. M. Hall 1901-7-1 2386 Riverside San Jacinto Mountains 1615 Comment
  JEPS56712  Eriogonum molestum Marjorie D. Clary 1932-7-4 995 Riverside Vandeventer Flats San Jacinto Mts., Vandeventer Flats 1341 Comment
  UCD80952  Eriogonum reniforme Chuck Hughes 2009-3-23 63 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  UC1329840  Eriogonum saxatile James E. Cole 1941-6-9 860 Riverside s summit of Stubby Spring Pass; Joshua Tree National Monument 1432 Comment
  UC64568  Eriogonum saxatile H. M. Hall May 1901 1842 Riverside e base of San Jacinto Mountains along the borders of the Colorado Desert Colorado Desert, San Jacinto Mountains Comment
  POM259944  Eriogonum thomasii P. A. Munz 1940-3-23 15669 Riverside South base of Pinto Mountains, road Dale to Cottonwood Springs. 610 Comment
  RSA480007  Eriogonum thomasii Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2136 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  SD225075  Eriogonum thomasii G. K. Helmkamp 1998-2-5 2674 Riverside Little San Bernardino Mtns. 3.2 mi N of jct of Thousand Palms Canyon Rd & Dillon Rd. 456 Comment
  UC666503  Eriogonum thomasii Annie M. Alexander and Louise Kellogg 1941-5-28 2260 Riverside Metropolitan Aqueduct road e Hayfield Comment
  UCD101293  Eriogonum thomasii A. C. Sanders 1988-5-11 7811 Riverside Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal in a wash E of the gasline road from Niland. 548 Comment
  UCR148335  Eriogonum thomasii John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 21 and 22 (near 22), south of Salt Creek 23 Comment
  CAS-BOT-BC262873  Eriogonum thurberi S. B. Parish 1896-4-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  UC666509  Eriogonum trichopes Annie M. Alexander and Louise Kellogg 1941-5-28 2262 Riverside Metropolitan Aqueduct Road e Hayfield Comment
  CAS-BOT-BC268175  Eriogonum umbellatum var. minus Albert J. Perkins 1915-8-1 s.n. Riverside San Jacinto Mts. Comment
  CLARK-A1528-3722  Eriogonum wrightii John C. Roos 1965-9-26 Riverside Palm Springs Station Comment
  SEINET3289846 Image available Eriogonum wrightii M. W. Denslow, M. W. Denslow Sr.; Naomi Fraga 2003-7-16 1458 Riverside Peninsular Ranges; San Jacinto Mountains region: Santa Rosa Mountains, first peak west of Toro Peak. 2616 Comment
  RSA219215  Eriogonum wrightii var. membranaceum C. W. Tilforth, John Dourley 1970-10-16 322 Riverside Santa Rosa Mountain 2287 Comment
  CAS-BOT-BC261784  Eriogonum wrightii var. nodosum Louis C. Wheeler 1933-12-1 2294 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  SBBG28186  Eriogonum wrightii var. nodosum P. A. Munz 1932-10-16 12852 Riverside N base of Santa Rosa Mtns, Indio to Vandeventer Flats Rd 609 Comment
  UC68594  Erioneuron pulchellum H. M. Hall 1905-5-1 5961 Riverside Colorado River Colorado Desert (canyons along river) Comment
  UCR90321  Erioneuron pulchellum 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
  RSA0123091  Eriophyllum ambiguum var. paleaceum Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8986 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
  CAS-BOT-BC297354  Eriophyllum confertiflorum C. L. Hitchcock; C. V. Muhlick 1964-3-17 23106 Riverside 10 miles N of Pala, on road to Elsinore Comment
  SD255647  Eriophyllum confertiflorum Mitch Provance 2012-5-24 512 08 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Silson St. 868 Comment
  SDSU4087  Eriophyllum confertiflorum H. Wedberg 1967-5-19 1375 Riverside At Dripping Springs Campground, 10 miles east from Hwy 395 on Hwy 71. Comment
  UCR21844  Eriophyllum confertiflorum Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  RSA0071986  Eriophyllum confertiflorum var. confertiflorum J. M. Andre 2012-6-15 30509 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  POM305809  Eriophyllum multicaule Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1050 Riverside Elsinore. Comment
  UCR101841  Eriophyllum multicaule B. G. Pitzer 1997-4-1 3056 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  UCR92384  Eriophyllum multicaule F. M. Reed 1930-4-8 6860 Riverside San Bernardino Mtns., Whitewater Canyon 610 Comment
  RSA92742  Eriophyllum multicaule J. C. Roos 1952-5-19 5690 Riverside One year old burn on hills N of Moreno. 503 Comment
  RSA396465  Eriophyllum wallacei Walter Wisura 1987-5-21 4158 Riverside 3.8-3.9 miles from Hwy 74 along forestry road, 5S13, S of Lake Hemet toward Thomas Mtn, San Jacinto Range Comment
  RSA483567  Eriophyllum wallacei D. Charlton 1988-5-21 1942 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  RSA6092  Eriophyllum wallacei C. B. Wolf 1932-5-25 3671 Riverside 1 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 396 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
  CDA4668  Erodium cicutarium T. C. Fuller 1963-4-23 10296 Riverside San Jacinto Mountains; Highway 74 to Palm Desert, just east of Pinyon Flat. 0 Comment
  JOTR16708  Erodium cicutarium Vanderspek & Youse 1964-4-19 64538 Riverside Joshua Tree National Park. WILSON CANYON Comment
  RSA753483  Erodium cicutarium Scott D. White, Justin M. Wood 2009-5-21 12850 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  RSA741424  Erodium moschatum Justin M. Wood 2008-12-2 262 Riverside SW Perris Basin: City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  UCR158513  Erodium moschatum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30025 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  RSA390918  Erodium moschatum Katharine Beers 1929-1 s.n. Riverside Murietta Hot Springs. Comment
  JEPS61396  Erodium texanum S. B. Parish 1913-2-28 8477 Riverside Mecca Salton Basin -60 Comment
  UCR33575  Erodium texanum Sears 1978-3-16 813 Riverside Sonoran (Colorado) Desert, 3.5 mi SE of Midland 244 Comment
  SDSU161  Erysimum capitatum unknown 1962-5-12 127 Riverside 25 miles from Idyllwild 20 feet from West side of road into Banning. Comment
  UC455744  Erysimum capitatum I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2743 Comment
  UCSB13334  Erysimum capitatum var. capitatum Atwater, Illiani 1961-5-7 Riverside Highway 74, 3.2 miles east of junction with Anza Rd., near Palm Springs 1371 Comment
  UCSB2347  Erysimum capitatum var. capitatum Kamb, Peter 1947-6-7 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  RSA0020241  Erythranthe floribunda Kenneth Burden 1949-7-4 s.n. Riverside Damp soil along trail between Idyllwild to Tahquitz Meadow. 2134 Comment
  SD212732  Erythranthe guttata T. B. Salvato, John F. Green 2004-5-27 602 Riverside San Bernardino Mountains; head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  RSA0014877  Erythranthe primuloides P. A. Munz 1922-7-6 5983 Riverside San Jacinto Mountains. Tahquitz Valley. 2195 Comment
  RSA0022928  Eschscholzia androuxii Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54039 Riverside San Bernardino Mountains: At mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 415 Comment
  UCR78439  Eschscholzia caespitosa Scott D. White 1993-4-20 1200 Riverside Estelle Peak, Gavilan Hills 826 Comment
  RSA433689  Eschscholzia californica N. C. Cooper 1944-4-22 1139 Riverside Banning. 762 Comment
  RSA445599  Eschscholzia californica Ora M. Clark 1929-3-2 1595 Riverside Near Alberhill Comment
  UC1537338  Eschscholzia californica Gordon H. True Jr. 1939-3-14 109 Riverside Gavilan Hills 548 Comment
  UCD84931  Eschscholzia glyptosperma Chuck Hughes 2010-3-22 203 Riverside Near edge of Rice-Midland Road. 269 Comment
  RSA457769  Eschscholzia minutiflora Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2116 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA777420  Eschscholzia minutiflora Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 779 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  UC635599  Eschscholzia minutiflora Margaret Stason 1927-2-12 Riverside 1000-Palm Canyon Comment
  UCR148460  Eschscholzia minutiflora S. J. Myers 2005-2-1 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 9 miles (4 air line) east of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 21 Comment
  UCD96466  Eschscholzia papastillii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-15 260 Riverside California. Riverside County: Joshua Tree National Park. 726 Comment
  CAS-BOT-BC419609  Eschscholzia parishii S. B. Parish 1907-4-15 6103 Riverside Whitewater. Western border of the Colorado Desert 400 Comment
  CAS-BOT-BC419611  Eschscholzia parishii Alice Eastwood 1913-4-30 3080 Riverside Palm Canon [Canyon], Palm Springs Comment
  JOTR30632  Eschscholzia parishii Andre, Jim, Tasha La Doux 2008-3-21 8836 Riverside Joshua Tree National Park. Upper Wilson Wash, approximately 9.5 mi S. of North Entrance 1017 Comment
  UCSB33607  Eschscholzia parishii Simmons, Karen 1979-3-25 Riverside 8.8 miles south-west of Hwy. 10; on Box Canyon Road 30 Comment
  HSC78513  Eucrypta chrysanthemifolia Rodney Hendrick 1965-3-14 Riverside Box Canyon about 8 mi. E of Mecca 183 Comment
  JOTR35151  Eucrypta micrantha La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3263 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  JEPS31735  Eulobus californicus W. L. Jepson May 17 1901-Jun 1 1901 1215 Riverside mesas e Riverside Comment
  UCD170236  Euonymus occidentalis var. parishii K. M. Meyer; A. Townesmith 2007-3-16 19 Riverside San Bernardino National Forest. Fuller Mill Creek. 17.6 m S on Hwy 243 (off of I-10). 1572 Comment
  UCD142522  Euphorbia albomarginata K. Esau 1935-6-15 s.n. Riverside Riverside. Comment
  UCR235095  Euphorbia albomarginata A. C. Sanders, John F. Green 2012-5-27 40198 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, powerline route west of Valley Substation (on Menifee Rd.), N of McLaughlin Rd. on the E side of San Jacinto Rd 441 Comment
  SD129385  Euphorbia eriantha A. C. Sanders 1989-9-19 9499 Riverside Chocolate Mountains Aerial Gunnery Range 1.75 km (airline) south of Tabasaca Tank, along the wash abobe 'Tabasaca Target 680 Comment
  UCR282351  Euphorbia micromera Mitch Provance, Scott Duff 2017-9-7 917- 06 Riverside Colorado Desert, Thousand Palms, SCE corridor, 0.3 miles south of Ramon Substation 59 Comment
  POM12172  Euphorbia misera E. C. Jaeger 1921-4-2 62 Riverside Whitewater Bench Comment
  SDSU3706  Euphorbia polycarpa S. J. Barnhart 1966-4-24 660424 -2 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
  UCR103901  Euphorbia polycarpa B. G. Pitzer 1997-4-11 3105 Riverside Lakeview Mtns, spur off Pulsar View Road leading to utility tower, c. 1 mi by road from the base of the hills. c. 3/4 mi (air) SW of Mt. Rudolph. 604 Comment
  UCR166022  Euphorbia polycarpa Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  RSA162836  Euphorbia polycarpa var. polycarpa J. D. Olmsted 1959-4-17 386 Riverside Riverside - San Bernardino County line along west side of Highway 71, 1/4 mile north of Prado Dam. 213 Comment
  UCR178313  Euphorbia serpillifolia T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 613 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  OBI14391  Euphorbia setiloba Robert F. Hoover 1966-10-15 10161 Riverside Dead Indian Crk wash, S of Palm Desert Comment
  UCR242296  Euphorbia setiloba A. C. Sanders, T. B. Salvato 2012-10-12 40432 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  UCR5297  Euphorbia setiloba O. F. Clarke 1966-10-5 661005- 04 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  UCR48516  Euphorbia spathulata Steve Boyd 1986-5-1 1792 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  CAS-BOT-BC459218  Euthamia occidentalis J. Ewan 1931-10-3 5214 Riverside Along Santa Ana River, 9 mi. NW of Corona Comment
  RSA535485  Euthamia occidentalis Steve Boyd, Orlando Mistretta, Timothy S. Ross 1992-2-2 6633 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon Comment
  UC485618  Euthamia occidentalis R. L. Pendleton 1905-10-1 284 Riverside West Riverside 274 Comment
  LA209847  Fagonia laevis N. Dunn; A. M. Martin 1932-3-27 sn Riverside Cottonwood Spring Comment
  UC571106  Fagonia laevis H. L. Mason 1928-3-10 4247 Riverside between Indio and Palm Springs Comment
  UCSB31031  Fagonia laevis Steele, R. 1977-3-28 Riverside Six miles southeast of interstate 10 along Box Canyon Road 304 Comment
  UCR4569  Festuca arundinacea Frank C. Vasek 1959-7-17 590717- 06 Riverside Riverside, residential garden of F.C. Vasek, 636 Sandalwood Court 335 Comment
  UCR165414  Festuca microstachys A. C. Sanders 2005-4-21 29562 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR2399  Festuca microstachys F. M. Reed 1907-4-4 6143 Riverside City of Riverside. Arroyo Tequesquite Comment
  UCR2403  Festuca microstachys F. M. Reed 1928-7-10 5984 Riverside San Jacinto Mtns, Strawberry Creek at Camp Emerson, Idyllwild 1524 Comment
  UCR100166  Festuca myuros Scott D. White 1993-3-3 1086 Riverside Perris Basin, Romoland/Winchester area 442 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
  UCR85323  Festuca octoflora A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16170 Riverside Coachella Valley/San Jacinto Mtns foothills, Coachella Valley: N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 mi above Hwy 111 (Palm Canyon Dr.) 612 Comment
  VVC2882  Festuca octoflora Tim Thomas, P. J. MacKay 2010-4-12 5029 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  UCR155942  Filago californica T. B. Salvato, Kent Beaman 2005-5-16 823 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
  CAS-BOT-BC304296  Flaveria A. C. Sanders 1981-10-31 2392 Riverside McKinley St between Riverside and Corona, 0.3 mile N of Highway 91 and +-100 yds W of McKinley 304 Comment
  UCD117402  Fouquieria splendens subsp. splendens Richard Bates 1949-4-26 s.n. Riverside State Highway 74, start of 'Palms to Pines' Highway, Colorado Desert. Comment
  UCD117406  Fouquieria splendens subsp. splendens William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UC219319  Fragaria vesca P. A. Munz 1922-6-27 5855 Riverside Santa Rosa; Santa Rosa Mts. 2011 Comment
  RSA544413  Frankenia salina Steve Boyd, T. S. Ross 1991-6-14 6381 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
  SEINET156544  Frasera parryi Norman C. Cooper 1944-7-15 1583 Riverside Palms to Pines Hwy. 1280 Comment
  CLARK-A1528-1039  Fraxinus dipetala C. M. Flanagan 1973-4-26 OO 310 Riverside Morongo Indian Reservation Comment
  RSA191448  Fraxinus dipetala E. W. Lathrop, Robert F. Thorne 1967-10-22 6671 Riverside 2 miles NW of Murrieta. on the Tenaja Grade. Comment
  UCR35206  Fraxinus dipetala L. B. Ziegler 1969-5-20 364 Riverside San Jacinto Mtns, Bautista Canyon, upper canyon 1143 Comment
  RSA717478  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11134 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCR132720  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11132 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  RSA552727  Fritillaria biflora Steve Boyd, Timothy S. Ross 1992-3-31 6769 Riverside Santa Ana Mountains, Elsinore Peak. 1012 Comment
  UCR67352  Fritillaria biflora Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4064 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn. at east end 793 Comment
  RSA27522  Funastrum cynanchoides var. hartwegii I. L. Wiggins 1941-3-26 s.n. Riverside Along wash at Wiley well. Comment
  RSA644210  Funastrum hirtellum V. W. Steinmann 1999-10-26 1412 Riverside foothills of the Chuckwalla Mountains, open desert ca. 0.5 km south of Desert Center. 275 Comment
  RSA792479  Funastrum hirtellum Justin M. Wood, Dustin Ray 2011-4-28 3850 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  RSA314462  Galium angustifolium subsp. angustifolium Robert F. Thorne, F. R. Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55473 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  SD229270  Galium angustifolium subsp. jacinticum Dick Schwenkmeyer 2012-8-7 792 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  SEINET4855469  Galium angustifolium subsp. jacinticum Unknown 1966-6-18 4244 Riverside Black Mountain road, 0.9 mi above junction of road to Pine Wood, San Jacinto Mountains. 1982 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
  JOTR33928  Galium multiflorum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2818 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  UC64376  Galium parishii H. M. Hall 1897-8-11 825 Riverside near Long Valley; San Jacinto Mountains, Tamarack Valley 2560 Comment
  UCR116473  Galium parisiense A. C. Sanders, T. B. Salvato 2001-5-25 24373 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
  UCD121905  Galium porrigens var. porrigens A. C. Sanders; P. MacKay, T. Thomas and O. Clarke 1997-5-4 20644 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
  CLARK-A1656-686  Garrya fremontii Milton Walker 1978-2-5 Riverside San Gorgonio Pass 761 Comment
  UCR165291  Geraea canescens John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  SEINET10726150  Geraea canescens David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2872 Riverside Pushawalla Canyon, Indio Hills. In ravine on west wall of canyon. Comment
  UC489193  Geranium californicum C. V. Meyer 1928-7-24 515 Riverside above Idyllwild Falls; San Jacinto Mts. 1981 Comment
  SD119885  Gilia achilleifolia Louis B. Ziegler 1972-6-5 474 Riverside San Jacinito Mountains. In a Canyon at the lower end of Poppet Flats. In full sun and semi shade. 1067 Comment
  RSA85116  Gilia angelensis J. C. Roos 1952-4-2 5460 Riverside Box Springs Comment
  SBBG101794  Gilia angelensis S. Boyd with T. Ross, M. Hammitt 1991-5-2 6031 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  SD262343  Gilia angelensis Mitch Provance, Jeramiah George, Matt K. Beyers, John Hazlett 2017-3-27 317 75 Riverside Temescal Valley: North side of Concordia Ranch Rd., slopes just east of Black Powder Rd. (Alberhill 7.5'Q) 392 Comment
  UC1595709  Gilia angelensis W. Wisura, A. King, and L. Newcomb 1992-4-10 4673 Riverside n of West Palm Springs; Gorgonio Pass, Stubbe Canyon Comment
  RSA597804  Gilia angelensis Scott D. White 1996-3-31 3871 -A Riverside Elsinore Basin Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 439 Comment
  VVC375  Gilia australis A. C. Sanders, J. Mac 1997-5-4 20650 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
  SEINET14643485  Gilia diegensis H. M. Hall 1902-1 2913 Riverside Vicinity of Winchester. 457 Comment
  CAS-BOT-BC123780  Gilia hallii Harvey Monroe Hall 1899-5-1 s.n. Riverside El Toro Mt. Comment
  UCR193266  Gilia ochroleuca A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35571 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, slope below May Valley Rd. toward meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. 1585 Comment
  UCR92232  Gilia ochroleuca subsp. exilis D. L. Banks, Steve Boyd 1995-5-3 0256 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  RSA0016293  Gilia ochroleuca subsp. exilis Percy C. Everett, Nick F. Lolonis 1962-4-13 24452 Riverside Temescal Canyon, ca. 0.5 mi. S of entrance to Glen Ivy, Hwy 71. Comment
  RSA0017100  Gilia ochroleuca subsp. exilis H. M. Hall 1897-05 304 Riverside Hemet Valley. 1372 Comment
  RSA0105292  Gilia stellata Duncan S. Bell, Rachel Darney-Lane, Evan Meyer 2015-2-24 7755 Riverside Morongo Canyon Preserve; collecting in side canyon off of Little Morongo Canyon, just below (south of) the San Bernardino/Riverside county border. 777 Comment
  RSA26979  Gilia stellata C. L. Hitchcock 1940-4-3 5931 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  UC494835  Gilia stellata Philip A. Munz 1932-3-14 11988 Riverside Deep Canyon Coachella Valley, Deep Canyon 91 Comment
  UCR245889  Gilia stellata R. F. Thorne 1995-3-29 63022 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  RSA718873  Gilia stellata Michael Honer, L. Hulse 2005-3-7 2032 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 488 Comment
  CAS-BOT-BC435007  Glinus lotoides A. C. Sanders; Mitch Provance 1999-9-26 23111 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  RSA91958  Glyceria striata F. W. Peirson 1924-7-27 4985 Riverside Along creek in Dark Canyon, 1829 Comment
  RSA519247  Gnaphalium chilense 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. All of sec. 33, W/2 sec. 34, NW/4 sec. 3 [T6S] and a small portion of eastern sec 35. 488 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
  POM10051  Gnaphalium microcephalum F. M. Reed 1903-10-24 27 Riverside Cold water canyon [Santa Ana Mts., near Temescal Valley] Comment
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Apr 7 2011
  UCR13439  Gnaphalium stramineum A. C. Sanders 1973-5-25 00121 Riverside San Bernardino/upper Santa Ana River Valley, Santa Ana Riverbottom c. 0.5 mi upstream from Salt Lake Railroad bridge 216 Comment
  UC56733  Guillenia lasiophylla H. M. Hall 1902-4-7 2759 Riverside vicinity Winchester 457 Comment
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Mar 20 2011
  CAS-BOT-BC304641  Gutierrezia californica Winfield 1975-4-9 2411 Riverside Sugarloaf Mt - Riverside Comment
  RSA189351  Gutierrezia californica L. S. Rose 1966-12-14 66110 Riverside Chino Canyon, 3 mi. W of Palm Springs. 671 Comment
  POM97003  Gutierrezia californica P. A. Munz 1926-5-2 10419 Riverside about rocks, 5 miles NW of Dripping Spring Comment
  RSA0066619  Harpagonella palmeri D. E. Bramlet 1995-4-25 2394 Riverside Shipley Reserve/SE corner of Lake Skinner Co. Park. Site is within and beside the Equestrian trail, S of the Tucalota Hills & approx. 702 m SE of the park entrance rd. and 610 m N of East Benton Road. The locality is just SW of knoll 1800 ft. 524 Comment
  UCR1443  Hedypnois cretica Joyce Kleinjan 1961-4-23 s.n. Riverside San Bernardino Valley, Riverside, west border of 1012 Spruce St., 150 ft. south of street [O.F. Clarke residence] 351 Comment
  UCR36727  Helenium puberulum Karen Kirtland, R. Dolan 1984-9-21 s.n. Riverside Lakeview Mtns, Reinhardt Canyon in the Lakeview Mountains NW of Hemet. Maze Stone Village property. 518 Comment
  CAS-BOT-BC305361  Helianthus annuus H. A. Dutton 1898-6-1 s.n. Riverside Elsinore Comment
  UCR107719  Helianthus annuus A. C. Sanders 1997-3-1 19739 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  CAS-BOT-BC305618  Helianthus californicus Ralph Hoffman 1929-9-7 s.n. Riverside San Jacinto Mt. 1828 Comment
  POM12805  Helianthus gracilentus P. A. Munz 1922-6-25 5821 Riverside San Jacinto Mts. Between Vandeventer and Hemet Valley. 1433 Comment
  UCR21958  Helianthus gracilentus Steve Boyd 1980-5-13 269 Riverside Gavilan Hills, Harford Springs County Park, at NW corner of the Gavilan Plateau 640 Comment
  UCR260523  Helianthus gracilentus T. B. Salvato 2014-5-29 8047 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  CLARK-A1656-788  Helianthus niveus subsp. canescens Jon Mark Stewart 1982-4-14 Riverside Palm Desert 60 Comment
  UCR139635  Heliotropium curassavicum A. C. Sanders 2004-6-30 28404 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR82242  Heliotropium curassavicum J. M. Stewart 1994-5-2 862 Riverside Western Colorado Desert, Coachella Valley, Thermal. Tyler St. and Airport Blvd. Comment
  RSA725969  Hemizonia fasciculata Mitch Provance 2005-5-27 4605 Riverside San Bernardino Valley: Riverside, Sycamore Canyon, just E of the corner of Canyon Crest Drive and Via Vista. 381 Comment
  RSA781959  Hemizonia fasciculata A. C. Sanders 1997-5-1 20625 Riverside Along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  UCR274307  Hemizonia kelloggii T. B. Salvato, Melissa Clemons 2005-6-6 1428 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  UCR211882  Hemizonia mohavensis Valerie Soza, Steve Boyd, Neil Gilbert 2000-12-6 1068 B Riverside Peninsular Range; San jacinto Mountains, Keen Camp Road, east of Hwy 74, west of entrance gate to Camp Tahquitz Meadows 1402 Comment
  UCR239937  Hemizonia mohavensis O. F. Clarke 2003-9-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  UCR88422  Hemizonia mohavensis Jeri Hirshberg 1995-9-13 s.n. Riverside San Jacianto Mtns., drainage crossing Twin Pines Ranch Road, c. 1/2 mi NW of Twin Pines Ranch Boundary, c. 1/4 mi NW of Hill 3831 1098 Comment
  UCR113558  Hemizonia paniculata Mitch Provance 2000-9-1 2232 B Riverside Jurupa Mtns., Pyrite Canyon, c. 0.5 miles SW of peak 1538 305 Comment
  UCR114201  Hemizonia paniculata A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23640 Riverside Perris-Aguanga Basin Region, French Valley, near south end of Briggs Rd. on east side of Hwy 79, near industrial park, c. 0.5 km SE of Adobe Spring 384 Comment
  UCR172211  Hemizonia paniculata John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Los Alamos Road 402 Comment
  UCR62105  Hemizonia paniculata Ed LaRue 1989-6-14 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, east edge of Plateau overlooking town of Murrieta; c. 1.25 mi west of town and c. 1 mi (airline) east of De Luz Road 549 Comment
  RSA357123  Hemizonia pungens subsp. laevis R. F. Thorne, P. A. Munz, Earl Lathrop 1968-5-8 37606 Riverside Lake Elsinore: behind levee at SE end of Lake Elsinore, ca. 1 mile S of Elsinore. Comment
  UCR146889  Hemizonia pungens subsp. laevis Kathleen Stockwell 1999-6-6 s.n. Riverside Warm Springs Creek, Murrieta; 0.5 mi. south of Murrieta Hot Springs Road 320 Comment
  UCR162884  Hemizonia pungens subsp. laevis Fred M. Roberts 1993-5-16 4883 Riverside Hemet, W side of Old Warren Road, c. 0.75km N Florida Avenue near Devonshire Road, c. 1.2km WSW summit of Tres Cerritos Hills 459 Comment
  UCR174159  Herniaria hirsuta subsp. cinerea A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32598 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
  UCR107704  Hesperocnide tenella A. C. Sanders 1997-3-1 19753 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  RSA715243  Hesperolinon micranthum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32507 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 549 Comment
  SD136915  Heterotheca grandiflora Steve Boyd, Tim Ross and Dave Bramlet 1992-9-9 7675 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; upper San Mateo Canyon, from the junction of Tenaja Road and Los Alamos Road. Comment
  UCR117350  Heterotheca grandiflora Mitch Provance 1998-6-11 662 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  JOTR29275  Heterotheca villosa var. scabra La Doux, Tasha 2005-8-17 1545 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland Wash; north of Wall Street Mill parking area 1316 Comment
  PASA1771  Hibiscus denudatus 1930-3-30 Riverside Near Shavers Well Comment
  RSA28084  Hibiscus denudatus I. L. Wiggins 1941-3-27 9691 Riverside 8.2 miles west of Shaver s summit. Comment
  UCR114115  Hibiscus denudatus B. G. Pitzer, J. Ross 1998-3-8 3610 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR41460  Hibiscus denudatus A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6130 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  UC1971213  Hieracium albiflorum Scott D. White, J. Greene 1998-8-1 6971 Riverside IDYLLWILD AREA: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Dr. and Humber Park. San Jacinto Peak USGS 7.5' quad. Comment
  JOTR33122  Hilaria rigida La Doux, Tasha, Mike Bell 2003-10-17 1605 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wall Street Mill parking area to Wonderland Wash 1304 Comment
  SD224799  Hilaria rigida A. C. Sanders, K. Rose & D. Woodard 1995-3-22 16205 Riverside Coachella Valley: mouth of San Gorgonio Pass, alluvial fan just E of the mouth of Whitewater Canyon between Windy Point and I-10. 370 Comment
  UCR281014  Hilaria rigida Fred M. Roberts 2016-3-5 7988 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: west end, 4.3 km E Palen Pass and 2.2 km W 'Peak 602" 113 Comment
  UCR108365  Hippuris vulgaris L. C. Wheeler 1961-6-24 7905 Riverside San Jacinto Mountains, Fulmor Lake Comment
  CDA27094  Hoffmannseggia glauca Earl Asker 1969-7-2 Riverside Coachella Valley. 0 Comment
  CAS-BOT-BC206102  Hoffmannseggia microphylla D. A. Johansen; J. A. Ewan 1932-4-12 7105 Riverside Devils Canyon above Coachella Valley, Colorado Desert Comment
  RSA674575  Hoffmannseggia microphylla Scott D. White, Brian Leatherman 2000-10-5 8135 Riverside Near Berdoo canyon: Northeast of Dillon Rd., just S of mouth of Berdoo Canyon. On the S-facing bajada of the Little San Bernardino Mts. 183 Comment
  SEINET6654711  Holcus lanatus Scott D. White, Justin M. Wood 2008-6-16 12108 Riverside San Jacinto Mountains, Fobes Canyon, +- 1 mile up Fobes Ranch Road from Fobes Spring.; 0 1540 Comment
  UCR211715  Hordeum depressum Fred M. Roberts, Melissa Riedel-Lehrke 2006-4-18 6319 Riverside Perris Basin, San Jacinto Valley, west of Hemet, along west side of Warren Road, 0.1 km north-northwest of the junction of Warren Road and Esplenade Road, 1.5 km north-northwest of the summit of Tres Cerritos Hills 453 Comment
  UCR191539  Hordeum intercedens A. C. Sanders 2008-4-15 34886 Riverside Peninsular Range, NE edge of city of Elsinore, off Nichols Rd. along Baker St., near Durant Siding 391 Comment
  UCR269907  Hordeum intercedens D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3661 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  CSUSB452  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
  SEINET271520 Image available Hordeum marinum subsp. gussoneanum A. C. Sanders, K. D. Jones; D. Malueg 1996-4-20 18042 Riverside San Jacinto River between Nuevo and Lakeview from 11th to 13th Streets alkaline flats along the east side of the river 433 Comment
  UCR91888  Hordeum marinum subsp. gussoneanum A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18042 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  UCR154546  Hordeum murinum Jason L. Hlebakos 2005-5-13 675 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, large vernal pool on Mesa de Colorado, c. 4 mi SE of Squaw Mtn 634 Comment
  UCR207345  Hordeum murinum O. F. Clarke 2004-2-8 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA594520  Hordeum murinum subsp. leporinum D. L. Banks, Rashmi Pant 1996-5-13 1025 Riverside NW Palomar Mountains; Agua Tibia Mountains; Hwy. 79, E of the Dripping Springs Campground.; Approximately 1.9 km E of the Dripping Springs Guard Station;, (100 m E of where Hwy. 79 leaves the Forest Service Boundary). On the S side of Hwy. 79. T8S R1W; Just N of the NE 1/4, NW 1/4 of sec. 23. 487 Comment
  RSA644635  Hordeum murinum subsp. leporinum Scott D. White 1993-3-12 1145 Riverside San Jacinto Valley: between aqueduct and Warren Road. 457 Comment
  CAS-BOT-BC148555  Horkelia clevelandii Scott D. White 1996-8-1 4431 Riverside Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area - San Jacinto Mts. 1828 Comment
  UCR256883  Horkelia clevelandii G. D. Wallace 2003-7-8 4050 Riverside Peninsular Range; San Jacinto Mountains, Hidden Lake 2652 Comment
  LA203775  Hulsea vestita subsp. callicarpha John O'Leary; 1975-6-13 415 Riverside next to Hwy. in the San Jacinto Mts. (1 mi. S. of Lake Fulmor) 1554 Comment
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Jun 23 2013
  UCR114629  Hulsea vestita subsp. callicarpha 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
  CSUSB1758  Hunnemannia fumariifolia Morse 1974-6-29 Riverside North end of Linsay Street (Glen Avon). 228 Comment
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Oct 22 2011
  RSA777630  Hymenoclea salsola Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi Fraga 2011-3-17 767 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UCR34978  Hymenopappus filifolius var. lugens L. B. Ziegler 1968-5-21 298 Riverside San Jacinto Mtns., Hemet Valley (=Garner Valley) 1418 Comment
  UCR112515  Hypochaeris glabra Mitch Provance 1998-3-6 138 Riverside Jurupa Mountains, Glen Avon Hts., Boulder Park, 0.7 km west of Pyrite St.on the north side of Granite Hill Dr. 305 Comment
  CAS-BOT-BC219771  Hyptis emoryi E. Braunton 1929-1-1 1023 Riverside Painted Canyon, Mecca Comment
  JOTR36017  Hyptis emoryi Harding, Mitzi, T. Herskovits 2012-3-16 224 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  POM13992  Hyptis emoryi P. A. Munz, D. D. Keck 1922-4-9 4889 Riverside Palm Springs. 457 Comment
  UC577724  Hyptis emoryi H. S. Yates 1936-4-6 5412 Riverside Palm Springs; San Jacinto Quad., Palm Springs Comment
  UCD124919  Hyptis emoryi Geoffrey Levin 1975-4-5 469 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernadino Mountains. 60 Comment
  UCR3004  Hyptis emoryi Wm. Horn Jr. 1963-3-23 630323- 4 Riverside Western Colorado Desert, Box Canyon Road (Calif. Hwy 195 ), 8 mi SE of Mecca, 75 yards south of the road. 61 Comment
  UCR182535  Ipomoea purpurea Mitch Provance 2003-7-4 4633 Riverside San Bernardino Valley, Riverside, 'Adams Hill', along the N. side of Raintree Ave., 0.2 mi. SW of Adams St., 0.3 mi. SE of Colorado Ave., c. 0.75 mi. SE of the Riverside Municipal Airport 238 Comment
  RSA717624  Isocoma acradenia var. eremophila Scott D. White, Andrea Warniment 2006-3-29 11277 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  RSA192194  Isocoma menziesii var. vernonioides E. W. Lathrop 1966-4-13 6145 Riverside De Luz Road between Murrieta and De Luz Comment
  SDSU13569  Isocoma menziesii var. vernonioides W. Miller 1972-8-25 Riverside Northwest cornerr along roadside in coastal sage. Comment
  RSA199005  Isoetes orcuttii R. F. Thorne, P. A. Munz 1968-5-8 37592 Riverside Santa Rosa Plateau, Rancho California 610 Comment
  UC217953  Iva axillaris subsp. robustior P. A. Munz 1922-7-3 5946 Riverside Vandeventer Flat; San Jacinto Mts. 1371 Comment
  SD136755  Jepsonia parryi Steve Boyd 1994-10-14 8400 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of Cleveland National Forest. San Mateo Cyn, along San Mateo Trail between N branch of Tenaja Trail and Fisherman's Camp. aong trail on mossy banks in understory of chaparral 427 Comment
  UCR101655  Juglans nigra A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22231 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Hathaway Creek Canyon 838 Comment
  JEPS66902  Juncus acutus subsp. leopoldii W. L. Jepson 1914-5-22 6041 Riverside e of Thousand Palms; Colorado Desert, Palm Canyon 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
  UCR176938  Juncus bufonius A. C. Sanders, Guy Bruyea 2003-6-12 26887 .2 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
  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
  RSA653674  Juncus bufonius var. congestus A. C. Sanders, K. C. Rose 1999-6-18 22827 Riverside Domenigoni Valley: upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester 433 Comment
  UC1532809  Juncus bufonius var. occidentalis Robert F. Thorne and Earl Lathrop 1975-5-20 45500 Riverside Rancho California Santa Rosa Plateau, Mesa de Burro 609 Comment
  SD255034  Juncus cooperi Duncan S. Bell 2015-8-12 8592 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Orocopia Mountains; southwestern section of the range, collecting at a spring in the southern section of the Dos Palmas area. Temperature at around 120a^z -41 Comment
  SEINET3878466  Juncus effusus Faulkner 1978-4-27 480 Riverside 3 miles east of Blythe, shores and flood plains of Colorado River.; 0 137 Comment
  UC2571  Juncus macrophyllus H. M. Hall July 1901 2536 Riverside along west fork of Snow Creek San Jacinto Mountains (n side of mts.) 1524 Comment
  RSA192134  Juncus mexicanus E. W. Lathrop 1960-6-9 4960 Riverside 14 miles west of Murrieta. Comment
  RSA263804  Juncus rugulosus George E. Johnson 1975-6-26 7 Riverside Mesa de Burro, 3.0 miles west of Murrieta. Santa Rosa Plateau. 610 Comment
  JOTR35137  Juncus tiehmii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3248 Riverside Joshua Tree National Park. West of Queen Mountain, Wonderland of Rocks; Active, bouldery wash with sandy bottom and large granite outcrops (Stop 3) 1294 Comment
  RSA496127  Juniperus californica Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 3006 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  RSA604384  Juniperus californica L. C. Wheeler 1960-1-2 7671 Riverside Aguanga. In dry open flat. Comment
  RSA736555  Juniperus californica Scott D. White, Angelia Carey 2004-7-2 10578 Riverside Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA772576  Juniperus californica Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5053 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  JEPS9204  Justicia californica Marjorie D. Clary 1932-12-15 1732 Riverside Bajada 2 mi. w. of Coral Reef Ranch; Colorado Desert, Santa Rosa Mts., Coachella Valley 91 Comment
  RSA0092849  Justicia californica Jim M. Andre 2012-4-11 20816 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  RSA398812  Justicia californica I. M. Johnston 1917-4-4 s.n. Riverside Near Palm Springs. Comment
  POM263041  Kallstroemia californica J. C. Roos 1937-8-20 357 Riverside Blythe Comment
  SD255293  Kallstroemia californica Sarah J. De Groot, Amy Rouillard 2015-9-15 7572 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. Mud flat at south edge of dry lake bed. 106 Comment
  SDSU10660  Keckiella antirrhinoides Gerald Collier 1951-5-27 Riverside About 4 miles E of Pinon Flats State Hwy 74, San Jacinto Mtns. Comment
  SFV16370  Keckiella antirrhinoides n. s. 1992-5-16 Riverside Lake Matthews. Comment
  UCSB40587  Keckiella antirrhinoides Hendon, E. 1980-5-23 Riverside Along old Banning- Idyllwild Rd; 4 miles east of junction with Hwy. 243 Comment
  CAS-BOT-BC236727  Keckiella antirrhinoides subsp. microphylla Annie M. Alexander; Louise Kellogg 1941-5-21 2215 Riverside North base of Eagle Mountains, Colorado Desert 1158 Comment
  UCR251872  Keckiella cordifolia M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  UCR57123  Keckiella cordifolia Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Ana Mtns, Santa Rosa Plateau: south of town of Murrieta, head of Cole Canyon, NW of Mesa de Burro Comment
  POM10203  Keckiella rothrockii subsp. jacintensis Charlotte M. Wilder s.n. Riverside Dry hills beow Tahquitz. Comment
  RSA797607  Keckiella rothrockii subsp. jacintensis Robert F. Thorne, Walter Wisura 1977-9-17 50766 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  UCR133703  Keckiella ternata N. C. Cooper 1944-7-15 1581 Riverside Peninsular Range; San Jacinto/Santa Rosa Mtns., Palms to Pines Highway 1372 Comment
  RSA0019432  Keckiella ternata subsp. ternata Bonnie C. Templeton 1953-7-26 s.n. Riverside Idyllwild. 1646 Comment
  RSA735943  Kochia scoparia Scott D. White, Justin Wood 2008-6-13 12104 Riverside San Timoteo Canyon, near El Casco Lake (private pond) E of the road. 579 Comment
  CAS-BOT-BC61425  Krameria bicolor John Thomas Howell; Martha Hilend 1928-4-15 171 Riverside Coachella Valley near Thousand Palms Comment
  UCR19177  Krameria erecta John C. Roos 1965-6-13 s.n. Riverside Santa Rosa Mtns., Dos Palmas Spring Comment
  RSA408602  Krameria grayi Jack Rempel 1932-11-13 16121 Riverside 6 miles up Palm Wash Comment
  RSA787591  Krameria grayi Andrew Monks, J. McConnaughy, M. Volke 2010-1 36 Riverside Hwy 177 N of Desert Center and Desert Lily Sanctuary. E of Joshua Tree National Park border. 274 Comment
  RSA728660  Kyllinga brevifolia R. E. Riefner 2004-9-25 4 -443 Riverside City of Corona; Grenn River Rd. ca 0.8 mi S of 91 Freeway overpass, Green River Golf Course at Santa Ana River. 153 Comment
  RSA0125181  Lactuca serriola Duncan S. Bell 2016-10-27 10205 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  UCSC000773  Laennecia coulteri G. R. Hall 2001-8-31 s.n. Riverside near Riverside Riverside Comment
  CLARK-A1528-69  Lamarckia aurea C. M. Flanagan 1973-4-14 OO 108 Riverside Sunnymead 579 Comment
  UCR2509  Lamarckia aurea F. M. Reed 1904-1-5 221 Riverside Riverside, Victoria Ranch Comment
  RSA574563  Lamarckia aurea Steve Boyd 1980-5-7 s.n. Riverside 2.5 miles NW of Perris 518 Comment
  SEINET13946477 Image available Lamium amplexicaule Kay Raeder 1955-1 477 Riverside Chino Ave at Mckinley Ave south of Pomono near Carbon Canyon; alt 1000 ft 305 Comment
  CAS-BOT-BC170705  Larrea tridentata M. Bourell; R. Patterson 1987-4-14 3279 Riverside Spur N of Box Canyon Hwy 195, BLM Conservation Area 150 Comment
  CAS-BOT-BC293708  Larrea tridentata Mona Bourell 1987-4-14 3279 Riverside BLM California Conservation Area, Hwy 195, spur off of Box Canyon. Near Mecca 150 Comment
  CLARK-A1528-4432  Larrea tridentata John C. Roos 1942-5-1 Riverside Comment
  CSUSB324  Larrea tridentata Paul M. Estes 1962-5-21 131 Riverside 5 miles east of Indio on Highway 99. Comment
  JOTR32608  Larrea tridentata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2672 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  POM49025  Larrea tridentata Stephen Grout, Stephen Grout 1902-05 s.n. Riverside Hemet Comment
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Apr 21 2009
  POM87266  Larrea tridentata Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  SEINET3132201  Larrea tridentata Unknown 1906-5-1 229 -6724 Riverside Colorado Desert at Palm Springs, southern California Comment
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Jul 29 2013
  UCR238486  Larrea tridentata Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-22 167 Riverside Sonoran (Colorado) Desert, McCoy Wash, north of Hwy I-10, road north from Black Rock Road, south side of private land boundary 244 Comment
  HSC5138  Lasthenia californica R. A. Eagle 1964-3-28 2 Riverside 5 mi. out of Riverside on Van Buren; just off to the side of the road Comment
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Jul 8 2010
  SEINET7073409  Lasthenia californica A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  CAS-BOT-BC352720  Lasthenia coronaria Geo. B. Grant 1908-3-15 s.n. Riverside Palms to Pines Road, San Jacinto Mountains 1219 Comment
  RSA673634  Lasthenia coronaria Scott D. White, Tasha La Doux 2000-4-20 7707 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  UC1746505  Lasthenia coronaria Mitch Provance 2000-4-8 2009 Riverside Jurupa Mountains; S extension of ''Rattlesnake Mt.'', <100 m W of peak 1739. Comment
  UCR213520  Lasthenia coronaria A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38365 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  JEPS102002  Lasthenia glabrata subsp. coulteri Raymund Chan 1998-3-22 98005 Riverside 1.5 mi W of Lakeview (on N side of Ramona Expressway; 200-300 ft E of San Jacinto River) Comment
  JEPS109935  Lasthenia glabrata subsp. coulteri Dean W. Taylor 2003-5-8 18552 Riverside Davis Road 0.5 miles North of Lakeview, San Jacinto Wildlife Area 434 Comment
  RSA0013138  Lasthenia glabrata subsp. coulteri LeRoy Gross, Caitlin Elam 2013-5-14 6075 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., Started near 33.66575N, 116.66716W. 1332 Comment
  JEPS29298  Lasthenia gracilis Rimo Bacigalupi and L. Heckard 1962-3-25 8393 Riverside low rolling hills just e Bedford Canyon (about 5 mi se of Corona); eastern base Santa Ana Mountains 304 Comment
  UCR152628  Lasthenia gracilis A. C. Sanders 2005-4-22 29587 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  POM48270  Lathyrus vestitus subsp. alefeldii E. C. Jaeger 1925-3-21 s.n. Riverside Temecula Canyon Comment
  RSA33850  Lathyrus vestitus subsp. laetiflorus N. C. Cooper 1944-4-22 1130 Riverside Banning, 732 Comment
  RSA488923  Lathyrus vestitus subsp. laetiflorus Bill Wagner 1988-4-12 s.n. Riverside Approx. 1/2 mile SW of town of Temecula, S of Rancho CaliforniaRoad and Buisness Park Drive. 335 Comment
  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
  UCR110985  Lathyrus vestitus var. vestitus George K. Helmkamp 1998-6-27 4119 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  SD237493  Lavandula X intermedia A. C. Sanders 2012-4-12 40030 Riverside Peninsular Range; Santa Ana Mountains Region: Temescal Canyon, along Temescal Canyon Road between Glen Ivy and Indian Truck Trail, near El Hermano Road (Lake Matthews 7.5'Q) 312 Comment
  POM294111  Layia glandulosa Lyman Benson 1946-4-15 12018 Riverside 2 miles east of Banning, Colorado Desert. 609 Comment
  HSC85267  Layia platyglossa Steve Boyd 1986-4-22 1764 Riverside W side of Indian Wash, S of I-15 Comment
  SEINET7063241  Layia platyglossa A. G. Vestal 1963-5-19 s.n. Riverside About 5.5 miles southwest of Cahuilla on Route 371 [Cahuilla Road]. UTM Zone 11, 515481mE, 3705072mN. (WGS84/NAD83). 887 Comment
  RSA654610  Layia platyglossa subsp. platyglossa Bruce Albert 1982-4-17 62 Riverside Flat field south of Cajalco road, 0.3 miles east of La Sierra Hwy. Comment
  RSA0001369  Layia ziegleri L. B. Ziegler 1966-6-1 s.n. Riverside Between Mountain Center and Keen Camp summit, San Jacinto Mts. 1448 Comment
  RSA69725  Lemna gibba F. W. Peirson 1922-5-19 3018 Riverside Hemet Valley, San Jacinto Mountains. 1341 Comment
  RSA502516  Lemna minor Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3573 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  CAS-BOT-BC89432  Lepidium fremontii C. L. Hitchcock 1940-4-2 5921 Riverside Joshua Tree National Monument. Cottonwood Springs wash. Comment
  UC856449  Lepidium fremontii Ira L. Wiggins 1937-3-9 8755 Riverside 5 mi w Shavers Well Comment
  UCSB39077  Lepidium fremontii Jorgensen, Jan 1982-3-21 Riverside South entrance to Joshua Tree National Monument 600 Comment
  RSA721895  Lepidium fremontii var. fremontii J. Mark Porter, Orlando Mistretta 2003-6-5 13608 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range. Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running east, above the pour-off. 439 Comment
  RSA429919  Lepidium lasiocarpum W. M. Zabriskie 1973-2-21 117 Riverside Upper Pipistrille Canyon, Deep Canyon drainage, north slope of Santa Rosa Mtns. site 17 854 Comment
  RSA49168  Lepidium lasiocarpum P. A. Munz 1949-4-13 13 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  RSA779008  Lepidium lasiocarpum Duncan S. Bell 2010-4-1 642 Riverside Arica Mountains: collecting near the Atchinson, Topeka, and Santa Fe railroad tracks approximately 3 air miles east of Priest Well, or approximately 4.3 air miles southeast of the ghost town of Rice. 216 Comment
  SDSU14134  Lepidium latifolium Michael G. Simpson, Tax. Cal. Pls. (Biol. 531) class 2002-4-20 2258 Riverside Along north bank of Santa Margarita river, ca. 1/8 mile east of junction with Via Tornado Rd. (from Northside field station). 247 Comment
  CAS-BOT-BC89853  Lepidium nitidum Steve Boyd 1986-4-2 1621 Riverside Gavilan Plateau, Gavilan Hills. Hartford Springs County Park. 640 Comment
  RSA525337  Lepidium virginicum var. robinsonii Steve Boyd, Dave Bramlet 1990-4-29 4467 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  UCR256747  Lepidium virginicum var. robinsonii T. B. Salvato, Matthew Malle 2013-4-15 7536 Riverside Gavilan Hills, dirt SCE powerline access road east of Lake Street and northwest of Hilltop Drive. 1.10 mi northeast of the junction of Lake Street and Hwy I-15 567 Comment
  RSA577752  Leptochloa fusca subsp. uninervia F. M. Reed 1926-5-15 5342 Riverside West of Menifee schoolhouse, Menifee Valley. 549 Comment
  RSA736173  Leptochloa fusca subsp. uninervia Scott D. White, Justin M. Wood 2008-5-13 11956 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  RSA0038328  Leptochloa uninervia J. C. Roos 1965-9-5 s.n. Riverside Blythe. Comment
  SDSU3131  Leptodactylon californicum Stan Mather 1938-5-13 Riverside Lake Elsinore. Comment
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Jul 8 2009
  UC23618  Leptodactylon pungens H. M. Hall June, 1901 2130 Riverside Santa Rosa Mountain San Jacinto Mountains, , Coyote Canyon (dry hillsides of Coyote Canyon) 1524 Comment
  UC1618004  Leptosiphon Donald G. Nelson 1936-5-23 404 Riverside San Jacinto Mountains. Idyllwild, Fern Canyon, among forest of pines. Comment
  CAS-BOT-BC227050  Leptosiphon floribundus subsp. glaber John Thomas Howell 1931-5-30 6598 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  RSA586946  Leptosiphon lemmonii D. L. Banks, S. D. Boyd 1995-5-30 0475 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N Flank of Agua Tibia Mountain, along the Dripping Springs Trail; S of the Dripping Springs Campground, just inside the wilderness boundary. 505 Comment
  SD262349  Leptosiphon parviflorus Mitch Provance, Jeramiah George, Matt K. Beyers, John Hazlett 2017-3-27 317 47 Riverside Temescal Valley: East end of Concordia Ranch Rd., open space adjacent to east side of the equipment yard. (Alberhill 7.5'Q) 390 Comment
  RSA180354  Leptosiphon pygmaeus subsp. pygmaeus E. W. Lathrop 1965-5-9 5738 Riverside 6 miles W of Murrieta. Comment
  OBI8134  Leptosyne californica David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12072 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd 11 mi S of N park boundary Comment
  UCR23837  Lessingia filaginifolia John C. Roos 1965-8-19 s.n. Riverside San Bernardino/San Jacinto Mtns, Beaumont Comment
  RSA761687  Lessingia glandulifera var. glandulifera Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 703 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR108866  Lessingia glandulifera var. glandulifera Heidi A. Haid 1968-9-24 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UC1929318  Limonium sinuatum Scott D. White, Lynn Stafford 2007-7-5 11757 Riverside Chino Hills State Park; Santa Ana River floodplain just below Prado Dam. Comment
  UC879877  Linanthus aureus C. L. Hitchcock 1940-4-3 5937 Riverside 1.5 mi ne Cottonwood Spring (along 29 Palms Road); Joshua Tree National Monument Comment
  SD231403  Linanthus bigelovii J. Mark Porter, Sarah DeGroot 2005-3-9 14258 Riverside Along Whitewater Canyon Road, about 3 miles north of the intersection with the frontage road of I 10, west of the road on a steep, rocky slope, west of the river. 575 Comment
  UCR49263  Linanthus dianthiflorus Steve Boyd 1986-4-2 1632 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA523546  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4006 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UC879946  Linanthus floribundus subsp. glaber P. A. Munz 1922-4-28 5048 Riverside Leach Canyon Santa Ana Mts. 670 Comment
  JEPS58458  Linanthus lemmonii W. L. Jepson 1901-5-19 1296 Riverside Strawberry Valley Mt. San Jacinto 1676 Comment
  UC880049  Linanthus lemmonii P. A. Munz and I. M. Johnston 1922-5-20 5477 Riverside Kenworthy San Jacinto Mts. 1463 Comment
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Mar 25 2011
  UCR98084  Linaria canadensis A. C. Sanders, G. Helmkamp 1997-3-15 19942 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  CLARK-A1528-4219  Linaria canadensis var. texana John C. Roos 1952-4-9 5504 Riverside Mount Rubidoux Comment
  SBBG67529  Linum lewisii var. lewisii Mr.and Mrs. L. C. Ackley 1918-1 491 Riverside San Jacinto Mtns 1219 Comment
  POM13790  Loeflingia squarrosa P. A. Munz 1922-4-30 5137 Riverside Hills south of Tuscaluta Creek from Aguanga to Hemet Comment
  UCR228925  Loeflingia squarrosa A. C. Sanders 2011-4-6 39007 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
  RSA586297  Loeflingia squarrosa var. squarrosa D. L. Banks, Steve Boyd 1995-5-3 0207 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA4921  Loeseliastrum schottii C. B. Wolf 1932-4-28 3083 Riverside 19 mi. W. of Blythe on the Mecca rd. 122 Comment
  RSA657241  Loeseliastrum schottii J. Mark Porter 2001-4-2 12340 Riverside Coachella Valley, Desert Hot Springs, NE of Big Morongo Wash, just N of the jtn. Agusta Avenue and Little Morongo Drive. 412 Comment
  SBBG64737  Loeseliastrum schottii M. N. Ackley -Apr-1928 845 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  SEINET3004973  Logfia arizonica G. Rink 2011-3-30 10399 Riverside Northwest of Blythe, east of the McCoy Mtns, swale in desert pavement 152 Comment
  UC1179099  Logfia arizonica Herbert L. Mason 1952-4-7 14208 a Riverside near Palm Springs; Palm Canyon Comment
  JOTR34009  Logfia depressa La Doux, Tasha, M. Harding 2010-4-7 2897 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  UCR75547  Logfia gallica A. C. Sanders 1993-5-17 14067 Riverside San Jacinto Valley, Hemet, south side Florida Ave (Hwy 74) on east side of California Ave. 460 Comment
  SEINET271514 Image available Lolium perenne subsp. perenne A. C. Sanders, K. D. Jones; D. Malueg 1996-4-20 18051 Riverside San Jacinto River between Nuevo and Lakeview from 11th to 13th Streets alkaline flats along the east side of the river 433 Comment
  UCR80526  Lomatium dasycarpum Scott D. White 1992-4-19 92- 129 Riverside San Jacinto Mountains, Garner Valley near Kenworthy Station Comment
  UCR150975  Lomatium lucidum D. L. Banks 1997-2-23 1315 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
  SEINET7063421  Lomatium utriculatum A. G. Vestal 1947-3-29 s.n. Riverside East of Lake Elsinore along Railroad Canyon. UTM Zone 11, 473626mE, 3725052mN. (WGS84/NAD83). 411 Comment
  POM157935  Lomatium vaginatum P. A. Munz 1927-5-21 10834 Riverside Coahuila Valley. Comment
  RSA212934  Lomatium vaginatum L. B. Ziegler 1969-5-7 s.n. Riverside meadowy area in Hemet Vally near Kentworthy Ranger Station, San Jacinto Mts. 1448 Comment
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Dec 8 2013
  POM88181  Lonicera interrupta P. A. Munz, I. M. Johnston 1924-7-26 8710 Riverside South of Banning. 976 Comment
  RSA666631  Lonicera subspicata A. C. Sanders, Mark Elvin, Vipul Joshi 2002-4-26 25022 Riverside The Badlands: canyon above Eden Hot Springs. 549 Comment
  CAS-BOT-BC234886  Lonicera subspicata var. denudata H. M. Hall 1901-7-1 2529 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1615 Comment
  CAS-BOT-BC234894  Lonicera subspicata var. denudata Elizabeth McClintock 1965-6-25 s.n. Riverside Road to Santa Rosa Mountain, a short distance from Pines to Palms Highway Comment
  RSA607344  Lotus R. S. Woglum 1939-4-11 2219 Riverside Sonoran Desert: Near Rice, Coxcomb Tunnel. Comment
  UCR16280  Lotus argophyllus D. C. Wald 1967-4-30 s.n. Riverside Bernasconi Hills near Lakeview 518 Comment
  RSA18956  Lotus argophyllus var. argophyllus Roxana S. Ferris, Ruth P. Rossbach 1938-5-19 9656 Riverside Lower edge of Pinon (Pinyon?) Belt desert side of divide Comment
  RSA0043379  Lotus crassifolius John F. Emmel 1996-6-16 1411 Riverside San Jacinto Mts.; along Spitler Peak Trail, 0.1-0.2 trail mile west of junction with Pacific Crest Trail. 2072 Comment
  UCR19766  Lotus grandiflorus W. W. Mayhew 1977-6-27 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  UCR35032  Lotus grandiflorus L. B. Ziegler 1967-6-21 165 Riverside San Jacinto Mtns, slopes of road cuts along Hwy 74. 1220 Comment
  UCR116456  Lotus hamatus A. C. Sanders, T. B. Salvato 2001-3-30 23871 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
  UCR228819  Lotus hamatus A. C. Sanders 2011-4-26 39330 Riverside Peninsular Range, Alberhill Mountain, south side near Nichols Rd., c. 350 m WNW (276 deg. ) of Nichols Rd. & Pierce St. intersection 395 Comment
  SEINET3694584 Image available Lotus humistratus Annie M. Alexander, Louise Kellogg 1941-5-15 2185 Riverside Eagle Mountains 914 Comment
  RSA19717  Lotus oblongifolius I. W. Clokey, E. G. Anderson 1935-8-21 6721 Riverside Hemet lake 1300 Comment
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Oct 24 2011
  UC454104  Lotus oblongifolius var. oblongifolius I. J. Condit 1910-6-21 Riverside Strawberry Valley San Jacinto Mts. 1676 Comment
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Apr 7 2008
  UCR106340  Lotus purshianus John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR141242  Lotus purshianus A. C. Sanders, Mike Misenhelter 2004-10-6 28827 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  HSC98239  Lotus rigidus C. L. Hitchcock 1966-3-16 24197 Riverside Along Palms to Pines Hwy., 10 mi. S of Palm Desert Comment
  RSA618170  Lotus salsuginosus var. salsuginosus D. L. Banks 1997-5-5 2016 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  POM27177  Lotus scoparius var. brevialatus Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. Comment
  RSA314658  Lotus scoparius var. brevialatus R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55476 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA716258  Lotus scoparius var. brevialatus Scott D. White, Angelia Carey 2004-4-5 10005 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA653428  Lotus strigosus Scott D. White 1999-5-24 7395 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  UC1329864  Lotus strigosus James E. Cole 1941-5-4 693 Riverside Lost Horse Valley Joshua Tree National Monument 1310 Comment
  UC81104  Lotus strigosus unknown 50 Riverside Palmetto Springs [Palm Springs] Comment
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Jul 8 2010
  UC864923  Lotus strigosus Carl B. Wolf 1932-4-27 Riverside 24 mi w Blythe (on Mecca road); Colorado desert, Chuckwalla Valley 121 Comment
  UCR16273  Lotus strigosus S. Nelson 1974-5-2 s.n. Riverside San Bernardino Mtns., Banning Canyon 1524 Comment
  UCR86871  Lotus strigosus A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16279 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
  UCR97290  Lotus strigosus Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 4045 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  RSA0127778  Lotus strigosus G. Rink, M. Honer, A. Karl, T. Thomas, M. Baker 2013-3-18 11871 Riverside About twelve miles west of Blythe, along the powerline west of the proposed Quartzite solar power plant. 116 Comment
  RSA406407  Lotus strigosus var. tomentellus Gale Sphon 1955-5-21 s.n. Riverside 5 miles north of Lake Fulmore Comment
  RSA774068  Lotus unifoliolatus Duncan S. Bell, Jeff Morawetz, Kathleen Ashbaker 2010-6-28 1437 Riverside San Bernardino National Forest: Garner Valley, approximately 2 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1373 Comment
  CLARK-A1528-2653  Ludwigia peploides Robert A. Hawthorne 1957-5-1 Riverside Fairmont Park 243 Comment
  JOTR34142  Lupinus agardhianus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler, D. Shade 2011-4-26 3160 Riverside Joshua Tree National Park. NW tip of the Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  POM349940  Lupinus arizonicus Robert Gustafson 1983-3-27 2491 Riverside Near mouth of fairly steep-walled canyon southwest of Lake Cahuilla Comment
  UC1563076  Lupinus arizonicus Steve Boyd, Orlando Mistretta 1986-3-13 1463 Riverside ne Desert Center (West side Palen Mts.); West Side Palen Mts., ne of Desert Center Comment
  UCR166873  Lupinus arizonicus Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  RSA0013624  Lupinus bicolor LeRoy Gross, Duncan S. Bell 2013-4-30 6031 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek., Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  POM350064  Lupinus bicolor subsp. microphyllus Bonnie C. Templeton, J. W. Clokey 1930-4-9 1055 Riverside Moreno Grade, S.W. of Beaumont 600 Comment
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Mar 20 2011
  RSA278309  Lupinus bicolor subsp. microphyllus C. W. Tilforth, Walter Wisura 1979-11-4 1768 Riverside Murrieta- Deluz Rd., 2 air miles south of Murrieta. 335 Comment
  SEINET10484932  Lupinus bicolor subsp. tridentatus David B. Dunn 1941-3-30 Dunn 989 Riverside Plants collected in sparse desert brush and grassland, very open, 3 mi. E of Banning. Comment
  RSA590649  Lupinus bicolor subsp. umbellatus E. W. Lathrop 1960-4-15 4747 Riverside 14 miles west of Murrieta, in low valley pasture in Tenaja Canyon. 610 Comment
  JOTR16692  Lupinus concinnus Walters, Jim 1967-4-11 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS 1645 Comment
  JEPS122470  Lupinus excubitus var. austromontanus J. M. Andre 2012-6-15 30538 Riverside San Jacinto Mountains; along Highway 243, 10.7 miles south of Interstate 10 (Banning), San Bernardino National Forest. Lake Fulmor 7.5' Q. Comment
  UCR122519  Lupinus excubitus var. austromontanus George K. Helmkamp, E. A. Helmkamp 2001-5-20 6686 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  JOTR33775  Lupinus excubitus var. excubitus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2927 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (stop 2) Comment
  JEPS64932  Lupinus formosus Carl V. Meyer 1929-6-18 773 Riverside Upper Hemet Valley; San Jacinto Mts., Upper Hemet Valley Comment
  RSA17253  Lupinus formosus Carl B. Wolf 1936-6-17 7961 Riverside Santa Ana Mts., Tenaja Road, North end of La Cienaga. 732 Comment
  RSA679949  Lupinus hyacinthinus LeRoy Gross, Firoozeh Navidara, Valerie Soza 2003-6-23 1116 Riverside Black Moutain Road (4501), southeast of Black Mountain and northwest of Fuller Mill Creek. 2012 Comment
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Oct 24 2008
  UCR110991  Lupinus hyacinthinus George K. Helmkamp 1998-6-27 4124 Riverside Santa Rosa Mtns., 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), in vicinity of Santa Rosa Spring. 2232 Comment
  RSA91190  Lupinus hyacinthinus F. W. Peirson 1938-5-30 12412 Riverside Thomas Mountain, Hemet Valley. 1402 Comment
  UCR16254  Lupinus longifolius S. Riddell 1973-5-17 730517 12 Riverside Peninsular Range; Santa Ana Mtns., 0.1 mi west of El Cariso Fire Station on Hwy 74, 15 ft from the road 793 Comment
  POM99001  Lupinus microcarpus var. densiflorus E. C. Jaeger 1926-3-27 s.n. Riverside Bautista Valley 1220 Comment
  SEINET10486261  Lupinus shockleyi Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 Holmgren 6474 Riverside Rice valley, 3.5 mi s-sw of rice. Sand dunes; locally frequent. Petals Dark-purple. 244 Comment
  UCR121225  Lupinus sparsiflorus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2310 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA775338  Lupinus sparsiflorus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5022 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
  SEINET12154750  Lupinus sparsiflorus Unknown 1936-1 12819 Riverside San Jacinta Mts, S of Palm Springs Comment
  CLARK-A1045-884  Lupinus truncatus George K. Helmkamp 1978-6-1 #1 Riverside Santa Ana Mountains roadside; Wildomar 7.5'Q Comment
  POM280800  Lupinus truncatus Henry J. Ramsey, Henry J. Ramsey 1940-3-15 s.n. Riverside Aguanga. (north of Riverside Co.) Comment
  UC1537127  Lupinus truncatus Gordon H. True Jr. 1935-3-1 99 Riverside Gavilan Hills 609 Comment
  POM122854  Luzula comosa Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  JOTR32919  Lycium andersonii Andre, Jim, Tasha La Doux 2009-2-28 10841 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 2.5mi north of JTNP boundary, approx. 5mi north of Dillon Rd. 744 Comment
  UCR100094  Lycium andersonii R. G. Swinney 1967-3-5 s.n. Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  SEINET3077750 Image available Lycium andersonii var. deserticola Noel H. Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-21 6431 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe. 290 Comment
  SEINET892346  Lycium chinense O. F. Clarke 1997-1 Riverside Riverside. O.F. Clarke residence, 1012 Spruce Street. (Riverside East) 305 Comment
  JOTR36408  Lycium cooperi La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3358 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  RSA50570  Machaeranthera canescens var. ziegleri E. C. Jaeger 1949-7-25 s.n. Riverside Summit, Santa Rosa Mountains 2470 Comment
  UCR89591  Machaeranthera tortifolia Bern Schwenn 1994-4-29 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument (Park)., flat country east of Lost Horse Mtns, near Mystery Hole. In wash near mine tailings (Sec. 34, south of Cal. Riding and Hiking Trail) and near old road to Indio 1311 Comment
  UCR79471  Madia gracilis Steve Boyd, T. S. Ross 1992-5-6 7263 Riverside Southern Santa Ana Mtns., San Mateo Canyon Wilderness Area. Oak Flats area, near Lucas Canyon Trail 762 Comment
  POM97009  Malacothamnus densiflorus var. densiflorus P. A. Munz 1926-5-2 s.n. Riverside 5 miles NW of Dripping Spring. Comment
  CSUSB1366  Malacothamnus fasciculatus Rand Ch. Isbell 1970-5-24 13 Riverside Box Springs Canyon Box Springs Canyon, city of Riverside 350 Comment
  UC2015573  Malacothamnus fasciculatus Scott D. White 1996-2-18 3806 Riverside Perris Basin Double Butte, NW of Winchester. SE-facing slope of W butte and alluvial soil at base. Comment
  POM362266  Malacothrix clevelandii Anstruther Davidson 1892-05 s.n. Riverside Banning Comment
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Mar 13 2011
  RSA89027  Malacothrix clevelandii J. C. Roos, Lucille Roos 1954-5-15 6119 Riverside Summit of Reche Canyon 732 Comment
  CAS-BOT-BC347714  Malacothrix glabrata Anne Constant 1955-3-27 148 Riverside Along Highway 111 between Banning and Palm Springs. Colorado Desert 365 Comment
  JEPS36807  Malacothrix glabrata W. L. Jepson 1928-4-25 12620 Riverside Cottonwood Spr. Colorado Desert, Eagle Mts. 731 Comment
  RSA0122705  Malacothrix glabrata Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9059 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  UC194251  Malacothrix glabrata S. B. and W. F. Parish April, 1882 301 Riverside Agua Caliente, borders of Colorado Desert Colorado Desert Comment
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Nov 24 2011
  UCD134443  Malacothrix saxatilis var. tenuifolia K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  RSA588604  Malva parviflora D. L. Banks, Steve D. Boyd 1995-10-17 815 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  UC1010242  Malva parviflora John and Lucille Roos 1951-5-5 5034 Riverside Riverside, Fairmont Park Fairmont Park; Riverside, Fairmont Park 274 Comment
  UC1922057  Malva parviflora Scott D. White, Angelia Carey 2004-4-5 10031 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  RSA575924  Malvella leprosa Steve Boyd, D. L. Banks 1994-9-29 8364 Riverside Lake Elsinore, floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  UC403441  Mammillaria tetrancistra L. J. Childs 1925-1-5 Riverside Deep Creek Canyon Colorado Desert, Santa Rosa Mt. (mouth) Comment
  JEPS42466  Marah macrocarpa W. G. Wright 1892-1 Riverside Palm Springs Colorado Desert Comment
  RSA662129  Marah macrocarpa Daniel Curran 1981-2-16 10 Riverside Lake Matthews Drive, 5.8 miles from junction with Cajalco Rd. Comment
  SBBG54812  Marah macrocarpa D. Keil, M. McLeod 1979-3-18 12976 Riverside ca. 0.5 mi W of jct with Riverside County rd R-3 along Hwy 79 548 Comment
  SD215475  Marah macrocarpa Steve Boyd, Tim Ross, et al 1990-4-2 4011 Riverside Vail Lake area, lower slopes of Agua tibia Mountain, along Highway 79, East of USFWS Dripping Springs Guard Station. 487 Comment
  UCR270753  Marah macrocarpa T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8374 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  CHSC99605  Marina parryi LeRoy Gross 2005-3-3 1601 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W to 33.72053N, 115.11051W. General collecting along ridge with patino and a rejuvenate steep sided rocky, sandy canyon just to the east. All on a sparse vegetative pebbly plain bajada. 225 Comment
  JOTR29084  Marina parryi La Doux, Tasha 2005-3-30 1201 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA0019015  Marina parryi Duncan S. Bell, John Anderson, Kim Clark, Ed Howland 2013-9-29 6039 Riverside Chuckwalla Mountains; on the south side of Corn Springs Wash, approximately 3 air miles west of Corn Springs, and about 0.5 air miles south of Aztec Well. 659 Comment
  RSA404232  Marina parryi Anstruther Davidson 1903-5-1 1904 Riverside Working Canyon Comment
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May 28 2010
  RSA607360  Marina parryi R. S. Woglum 1941-4-10 2932 Riverside Sonoran Desert: Blythe. Comment
  UC990935  Marina parryi D. F. Howe 1952-4-28 Riverside 4 mi e Desert Center Comment
  UCR22491  Marina parryi C. S. Jones 1979-3-28 43 Riverside Sonoran (Colorado) Desert, about 1 mi SE of Eagle Mountain near Old Eagle Mtn. Road 351 Comment
  UCR155308  Marrubium vulgare A. C. Sanders 2005-5-4 29855 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR266285  Matricaria occidentalis D. E. Bramlet 2005-5-19 3860 Riverside Perris-Aguanga Basin Region, Stowe Vernal Pool, NW corner of the intersection of Stowe Rd. and California Ave., 7.9 km SW (249 deg. ) of Hemet, 3.4 km (62 deg. ) NE of Winchester 457 Comment
  RSA593991  Medicago polymorpha D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0947 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  RSA735385  Melia azedarach Steve Boyd 2007-4-20 11723 Riverside Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of ''Walsh CanSoutheast-facing slope on English Lake trail. The Salmon Mountains., High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Areayon,'' ca. 0.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia azedarach and across from driveway leading to 26875 Walsh Road. 549 Comment
  UCR51526  Melica frutescens S. J. Myers 1988-2-1 s.n. Riverside Boulder Springs development, immediately SE of intersection of Hwy 60 and Nason St., Moreno Valley 518 Comment
  CLARK-A1528-5188  Melica imperfecta John C. Roos 1950-4-29 4771 Riverside Box Springs Mountains 609 Comment
  RSA515315  Melica imperfecta Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, NE of Mesa de Burro, creek below Guava-De Luz Road, approximately 1.5 miles SW of intersection with Hayes Avenue., (Near 33 deg 31'N, 117 deg 14'W.) 610 Comment
  RSA740951  Melica imperfecta Scott D. White, Justin M. Wood 2008-6-19 12274 Riverside Meadows at Baldy Mtn. 1585 Comment
  SEINET244298 Image available Melica imperfecta A. C. Sanders, Mitch Provance; T. B. Salvato 2001-5-9 24212 Riverside Perris-Aguanga Basin; Hemet, SE of intersection of state St. and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley,1 mi SSW of Hemet Butte 500 Comment
  UCR109513  Melica imperfecta Heidi A. Haid 1968-1 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  SEINET10559686  Melica imperfecta Frank W. Gould 1943-4-17 Gould 2132 Riverside In small clumps on open rocky slopes; 4 miles east of Elsinore Comment
  POM348169  Melilotus albus E. Crow 1929-2-22 168 Riverside Border of Santa Ana Mts. S of Corona Comment
  RSA652195  Melilotus albus N. D. Hogg 1969-5-24 s.n. Riverside Palm Springs. Comment
  UCR93148  Melilotus indicus G. P. Schultz 1994-4-8 59 Riverside Box Springs Mtns., mouth of Two Trees Canyon ( on the north side of the stream, in an open field) 410 Comment
  UCR71616  Mentha aquatica A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11746 Riverside Santa Ana River Valley, Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake Comment
  JOTR30972  Mentzelia albicaulis La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1945 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  PASA1547  Mentzelia albicaulis 4/28 Riverside Hidden Springs Comment
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Jun 24 2016
  CHSC109286  Mentzelia involucrata Steve Boyd; T. Morgan, A. Virgen, S. DeGroot, V. Arvizu 2004-5-14 11219 Riverside Colorado 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
  RSA776242  Mentzelia involucrata Duncan S. Bell 2010-3-20 597 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UC1546719  Mentzelia involucrata Barry A. Prigge 1988-2-21 7847 Riverside 2 mi w Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  UC217974  Mentzelia involucrata P. A. Munz, D. Keck 1922-4-13 4940 Riverside Colorado Desert, Eagle Mtns. 243 Comment
  POM98705  Mentzelia involucrata var. megalantha P. A. Munz 1926-1-31 9951 Riverside Dos Palmos [Palmas] Spring. Comment
  UCR163075  Mentzelia longiloba var. longiloba B. G. Pitzer, G. R. Ballmer 2000-10-14 4231 Riverside Sonoran (Colorado) Desert, large wash c. 5.3 miles east of Ford Lake Rd. and 1 mile west of Wiley's Well Rd., off gasline road c. 200 yards south of Hwy I-10 115 Comment
  SBBG101673  Micropus californicus S. Boyd with Mistretta 1991-5-22 6302 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk 548 Comment
  RSA563865  Microseris douglasii subsp. douglasii A. C. Sanders 1993-5-12 14007 Riverside Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Road, between San Diego Aqueduct and Warren. 457 Comment
  RSA500096  Microseris douglasii subsp. platycarpha Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-2 3214 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  RSA660565  Microseris heterocarpa Bruce Albert 1982-4-17 50 Riverside Hillside north of Cajalco road, 2 miles east of I-15. Comment
  RSA0065433  Microseris heterocarpa Marion P. Harthill 1976-5-6 s.n. Riverside Rancho California. 609 Comment
  RSA500986  Microseris lindleyi Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3105 Riverside Vail Lake area, at N base of rounded knob 1.25 mi WSW of dam. 610 Comment
  UC943876  Mimulus H. E. McMinn, M. Van Rensselaer 1945-6-7 1892 Riverside Indian Truck Trail Santa Ana Mts. 853 Comment
  RSA444467  Mimulus aurantiacus var. pubescens J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
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May 21 2011
  RSA285893  Mimulus aurantiacus var. puniceus D. C. Michener 1982-5-24 4048 Riverside Main divide truck route to Santiago Peak ca 6 mi. north of El Cariso. Comment
  RSA82107  Mimulus aurantiacus var. puniceus F. W. Peirson 1925-5-20 6014 Riverside 1 mile northwest of Dripping Spring, east of Temecula. 457 Comment
  SDSU12234  Mimulus aurantiacus var. puniceus Tahirih Linz, M. G. Simpson 2000-4-1 6 Riverside 0 Comment
  UCR182375  Mimulus aurantiacus var. puniceus Andrea Salzman, Diane Menuz, Carlos Navarro, Ricky Escobar, Theresa Johnson, Angela Hyder 2006-3-21 18 Riverside Peninsular Range, Black Hills NE of Oak Mountain 793 Comment
  SEINET3159638  Mimulus bigelovii S. B. Parish 1907-4-22 6165 Riverside Western border of the Colorado desert. 200 Comment
  RSA0059089  Mimulus bigelovii Norman C. Cooper 1944-6-17 1417 Riverside San Jacinto Mtns. above Banning. 1220 Comment
  JOTR32322  Mimulus bigelovii var. bigelovii Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  RSA4942  Mimulus bigelovii var. bigelovii Carl B. Wolf 1932-4-27 3055 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  UCR59531  Mimulus brevipes Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3611 Riverside Vail Lake, Sandy benches of Kolb Creek drainage, south of Hwy 79 488 Comment
  SEINET3078508 Image available Mimulus cardinalis Emily E. McGregor 1972-5-21 s.n. Riverside Santa Ana River bottom, off Freemont Drive Comment
  UC943901  Mimulus clevelandii H. E. McMinn, M. Van Rensselaer 1945-6-7 1898 Riverside head Indian Canyon Truck Trail (crest of mts., boundary of Riverside and Orange counties); Santa Ana Mts. 1235 Comment
  CLARK-A1528-4245  Mimulus floribundus John C. Roos 1952-4-29 5595 Riverside Box Springs Mountain 457 Comment
  UCR123837  Mimulus guttatus Steven R. Hill 2001-4-29 33528 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  UCR174346  Mimulus guttatus A. C. Sanders 2006-5-19 32401 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
  UCR195123  Mimulus guttatus A. C. Sanders, Tim Thomas 2008-8-1 35958 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  UC1595588  Mimulus parishii Steve Boyd, Tim Ross 1991-6-8 6327 Riverside near Ribbonwood (e side of small hill n of Hwy 74); San Jacinto Mtns., Pinyon Flats area Comment
  CLARK-A1528-4263  Mimulus pilosus E. W. Lathrop 1966-5-25 6336 Riverside La Laguna Comment
  RSA752135  Mimulus pilosus Justin M. Wood, Brandy Wood 2009-7-4 1039 Riverside Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. 250 Comment
  UCR110957  Mimulus pilosus George K. Helmkamp 1998-6-27 4104 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  RSA593800  Minuartia pusilla Jeri Hirshberg 1995-5-19 272 Riverside San Jacinto Mountains, Garner Valley. Comment
  UCR13751  Mirabilis bigelovii var. retrorsa N. R. Zabriskie, W. W. Zabriskie 1971-2-15 340 Riverside Western Colorado Desert/ San Jacinto Mtns, North Canyon, Andreas Canyon drainage, E slope San Jacinto Mtns. 427 Comment
  SEINET11941952  Mirabilis californica H. M. Hall 1903-1 3807 Riverside Vicinity of Riverside, in the Sonoran Zone 610 Comment
  RSA717494  Mirabilis laevis John Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, Greenway site along Tucalota Creek ca. 1 mile east of Murrieta Hot Springs. 396 Comment
  CAS-BOT-BC434683  Mirabilis laevis var. crassifolia Catherine A. Toschi 1963-4-5 63 :101 Riverside 3 miles northeast of Moreno 304 Comment
  HSC47585  Mirabilis laevis var. crassifolia R. W. Spjut, C. E. Edson 1978-5-5 5014 Riverside W margins of Colorado Desert, along Hwy. 74 W of Palm Desert in San Jacinto Mtns. 915 Comment
  JEPS29310  Mirabilis laevis var. crassifolia Rimo Bacigalupi and L. Heckard 1962-3-25 8405 Riverside near headwaters of Temescal Wash and Canyon, western base of Estelle Mountain and just opposite Indian Canyon (from W); 3.3 miles NW of Alberhill along highway 71 304 Comment
  CAS-BOT-BC434834  Mirabilis laevis var. retrorsa Elizabeth McClintock 1964-4-8 s.n. Riverside Snow Canyon, east side of Mt. San Jacinto Comment
  UC217923  Mirabilis laevis var. retrorsa P. A. Munz and D. D. Keck 1922-4-14 5008 Riverside E of Whitewater Ranch; Colorado Desert 213 Comment
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Jan 14 2010
  UC673535  Mohavea confertiflora H. L. Mason 1928-3-10 4209 Riverside Coachella Mountains, Hidden Springs Canyon Hidden Springs Canyon; Coachella Mountains, Hidden Springs Canyon Comment
  UCD124029  Mohavea confertiflora C. W. Tilforth 1967-2-12 108 Riverside Painted Canyon, east of Mecca. Colorado Desert. Comment
  RSA0105934  Mohavea confertiflora Alan Romspert 2001-4-13 s.n. Riverside Frontage Road E. of Cactus City rest Area, I-10. Comment
  UCR121211  Monardella lanceolata D. E. Bramlet 1989-5-19 1871 Riverside Perris-Aguanga Basin region, South Domengoni Hills, 6000 ft. south of Newport Rd. and 5000 ft. east of MWD canal 518 Comment
  POM259259  Monardella linoides subsp. linoides P. A. Munz 1938-8-14 15380 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2287 Comment
  RSA450083  Monardella macrantha subsp. hallii J. C. Roos 1962-6-30 s.n. Riverside Sugarloaf, Santa Ana Mountains Comment
  PASA1143  Monardella macrantha var. longiloba Frank W. Peirson 1924-7-27 Riverside Dark Canyon, San Jacinto Mts. 2224 Comment
  RSA750277  Monardella nana subsp. arida Elizabeth McClintock, H. Lewis 1941-6-29 78 Riverside Road up Santa Rosa Mt. 2.3 miles beyond canyon where stream crosses road. Comment
  RSA750397  Monardella nana subsp. tenuiflora Elizabeth McClintock 1940-6-30 20 Riverside Near Marion Camp, on the Banning-Idyllwild road. Comment
  SEINET3289847 Image available Monardella nana subsp. tenuiflora M. W. Denslow, M. W. Denslow Sr.; Naomi Fraga 2003-7-16 1459 Riverside Peninsular Ranges; San Jacinto Mountains region: Santa Rosa Mountains, first peak west of Toro Peak. 2616 Comment
  CAS-BOT-BC220381  Monardella pringlei Ethel H. Campbell 1921-5-1 s.n. Riverside Between Riverside and Ontario 300 Comment
  POM363591  Monoptilon bellioides P. J. Remple 1942-3-1 s.n. Riverside Palm Springs (Sapp's Place) Comment
  JOTR29575  Muhlenbergia microsperma Andre, Jim 2006-4-6 6687 Riverside Joshua Tree National Park. Pinto Basin, approx. 400 m S. of Pinto Basin Rd (paved), 3 mi. SE of Twin Tanks, 1023 Comment
  LA9632  Muhlenbergia microsperma F. M. Reed; 1907-2-12 1202 Riverside near Chicago ave Comment
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Jan 18 2014
  POM14440  Muhlenbergia microsperma P. A. Munz, Johnston 1922-5-21 5550 Riverside 4 mi. N.E. of San Jacinto 457 Comment
  POM8787  Muhlenbergia microsperma P. A. Munz 1920-4-11 3810 Riverside Santa Ana River Canyon. 304 Comment
  RSA0099597  Muhlenbergia microsperma Duncan S. Bell, Evan Meyer 2014-10-29 7700 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  RSA718830  Muhlenbergia microsperma Michael Honer, L. Hulse 2004-4-3 1921 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. 610 Comment
  SD212436  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato, et al. 2006-5-28 32651 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bunday Canyon/Scott Road and north of Clinton Keith Road, vicinity of peak 2279. 579 Comment
  UCD87077  Muhlenbergia rigens Peter Kamb 1948-10-21 1275 Riverside Hall Canyon. San Jacinto Mts. 1645 Comment
  SEINET3887720  Muilla clevelandii N. Duane Atwood, L. Stritch 1993-4-2 17901 Riverside Santa Rosa Plateau TNC Preserva and adjacent to BLM administrated lands.; 0 671 Comment
  RSA180312  Muilla maritima E. W. Lathrop 1965-4-18 5660 Riverside 10 miles west of Murrieta. Comment
  SDSU13936  Muilla maritima Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2127 Riverside Santa Margarita Ecological Reserve (SDSU), southeast region, east of El Valle meadow. 671 Comment
  UCR215365  Muilla maritima Fred M. Roberts 2006-6-21 6342 Riverside Peninsular Range; San Jacinto Mountains, Little Thomas Mountain; Thomas Mountain Road, 0.5 km west summit of peak 1866 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
  RSA522093  Najas marina Steve Boyd, Orlando Mistretta 1989-7-18 3761 Riverside Vail Lake area, along west shore of lake 1/2 mi S of dam. 427 Comment
  RSA421100  Nama demissa M. B. Dunkle 1935-3-30 4418 Riverside Pinto Basin, Colorado Desert. 915 Comment
  RSA421117  Nama demissa E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert. Box Canon on Blythe Road. Comment
  RSA715323  Nama demissa Ora M. Clark 1929-3-16 1706 Riverside South Cabazon. Comment
  RSA757633  Nama demissa var. demissa LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4321 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  RSA27707  Nama demissa var. deserti C. L. Hitchcock 1940-3-29 5866 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  HSC101509  Nama hispida var. spathulata J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-14 12754 Riverside Roadside 455 Comment
  RSA648067  Nama hispida var. spathulata J. C. Roos 1949-4-9 4203 Riverside 3 mi. N.E. of Desert Center. Comment
  SEINET3145433  Nama hispida var. spathulata R. W. Spellenberg, N. Zucker 2001-3-24 13180 Riverside Just N of IH-10 on Hayfield Rd., ca. 30 km W of Desert Center, ca. 5 km E of Chiriaco Summit 440 Comment
  RSA192227  Nassella cernua E. W. Lathrop 1960-5-6 4789 Riverside 10 miles west of Murrieta. Comment
  UCD87904  Nassella cernua Fred M. Reed 1906-2-1 877 Riverside Riverside County, Riverside: Tequesquito Arroyo. Comment
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May 1 2011
  RSA586492  Nassella lepida D. L. Banks, Steve Boyd 1995-5-9 322 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
  RSA615323  Nassella lepida Scott D. White 1997-5-25 5226 Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing. 793 Comment
  UCD72379  Navarretia atractyloides A. C. Sanders; T. B. Salvato 2000-5-25 23425 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd., and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake. 439 Comment
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Apr 3 2011
  SD135281  Navarretia fossalis Craig Reiser 1992-5-9 Riverside Hemet, corner of Stowe and California Streets. Massive vernal pool. (IPB 3/06) Comment
  UCR266257  Navarretia fossalis D. E. Bramlet 2006-5-25 4003 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto River bed, 20 m south of the Nuevo Road bridge 430 Comment
  RSA356635  Navarretia hamata W. A. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47320 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; desiccated bed of vernal pools near N end of Mesa 610 Comment
  SD227875  Navarretia hamata A. C. Sanders 1994-5-30 14591 Riverside San Bernardino Mtns.: NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  UCR229515  Navarretia intertexta Jeremiah George 2011-9-15 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  RSA703803  Nemacladus glanduliferus var. orientalis LeRoy Gross 2005-3-3 1599 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  SEINET10458387  Nemacladus longiflorus Hall 1898-6-28 Hall 960 Riverside Strawberry Valley 1829 Comment
  RSA0126449  Nemacladus longiflorus var. longiflorus Mary F. Spencer 1921-7-7 1661 Riverside Tahquitz Trail. Idyllwild. San Jacinto Mtns region. 1829 Comment
  RSA583748  Nemacladus ramosissimus Steve Boyd 1995-4-24 8483 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. 671 Comment
  SD51777  Nemacladus ramosissimus Rimo Bacigalupi, G. T. Robbins 1954-5-16 4464 Riverside St. Johns Grade, State Highway 79, 11 miles south of Hemet, at junction of road to Red Mountain. 790 Comment
  POM172022  Nemacladus sigmoideus P. A. Munz 1930-5-1 11922 Riverside Morongo Valley. Comment
  RSA480010  Nemacladus tenuis var. aliformis Steve Boyd 1988-3-10 2133 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA421340  Nemophila menziesii D. A. Young 1969-4-12 ps 28 Riverside 10 mi SE of Hemet, 200 yrs. E. of State St. in a wash. 335 Comment
  UCR107894  Nemophila menziesii G. F. Pratt 1997-3-8 s.n. Riverside Box Springs Mtns, S-facing slopes near highest peak, right around radio towers. 915 Comment
  SD137733  Nemophila menziesii var. integrifolia Darin L. Banks, Peter Morrell 1995-5-4 301 Riverside Cleveland Nat'l Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of Dripping Springs Alcove Area, N of Woodchuck Trail. 609 Comment
  RSA628826  Nicotiana acuminata A. C. Sanders, T. Tennant, J. S. Ross 1998-8-20 22232 Riverside Morongo Indian Reservation, lower Hathaway Creek Canyon. 838 Comment
  SD51937  Nicotiana attenuata Reid Moran 1962-7-7 9871 Riverside On fill, by Strawberry Creek, 2 miles SW of Idyllwild, San Jacinto Mts. 1550 Comment
  UCR117253  Nicotiana attenuata A. C. Sanders, S. D. Boyd, Mitch Provance, J. Ross 1998-10-25 22295 Riverside San Jacinto Mtns., Anza area, 1.1 mi. SE of Hwy 371 on Burnt Valley Rd., at northward bend in road 1341 Comment
  RSA16361  Nicotiana bigelovii var. wallacei Percy C. Everett 1935-6-18 7171 Riverside Santa Ana Mountains, San Juan Canyon, near Ortega Highway on road [North Main Divide Road] to Santiago Pk. 701 Comment
  UCR166856  Nicotiana clevelandii Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  RSA777341  Nicotiana glauca Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4712 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  UCR174522  Nicotiana glauca A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32492 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
  UCR198187  Nicotiana obtusifolia Michael Honer, L. Hulse 2004-4-2 1875 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains. Blind Canyon, c. 0.5 mi north of Desert Hot Springs 488 Comment
  UCR245238  Nicotiana obtusifolia Jim Andre 2012-3-19 21328 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  UCR1549  Nicotiana quadrivalvis David L. Davis 1962-4-15 20 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, Sycamore Canyon, c. 1.5 mi south of Pennsylvania [=Martin Luther King] Ave., 0.5 mi east of Canyon Crest Drive 366 Comment
  CDA37838  Nolina parryi Mike Lahti 2012-5-19 PDR# 1590370 Riverside Pinyon Pines; Highway 74 & Pinyon Flats Road, San Bernardino National Forest, near the U.S.F.S. Pinyon Flats campground. 0 Comment
  LA22816  Nolina parryi Carl Epling; William Robison 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  RSA643661  Nolina parryi James C. Dice 1985-6-13 618 Riverside Pinyon Flat, ca. 1.3 km north of Highway 74, at northwest edge of community of Pinyon Pines. 1250 Comment
  SD142034  Nolina parryi James C. Dice 1985-6-13 617 Riverside SE portion of Thomas Mtn., ca. 4 km S of Kenworthy Station and community of Thomas Mtn. 1525 Comment
  UCR18845  Nolina parryi John C. Roos 1965-7-8 s.n. Riverside San Jacinto Mtns., Thomas Valley at the Pathfinder Camp. Comment
  UCR129868  Notholaena californica subsp. californica P. A. Munz 1921-12-31 4704 Riverside Sonoran (Colorado) Desert, Andreas Canyon 427 Comment
  SEINET7042765  Oenothera W. P. Vestal, A. G. Vestal 1955-3-25 3476 Riverside Adenostoma chaparral, Lakeview Mountains on Juniper Flat Road. Lakeview quadrangle UTM Zone 11, 489935mE, 3735502mN. Comment
  CAS-BOT-BC171482  Oenothera californica Jenkins; Street 1955-5-30 1955 Riverside San Jacinto Comment
  RSA162850  Oenothera californica J. D. Olmsted 1959-4-21 447 Riverside Along roadside at intersection of Archibald Ave U.S 60. 2 mile W of Jurupa Hills to Santa Ana River 259 Comment
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Jun 3 2013
  UC1122209  Oenothera deltoides subsp. deltoides H. S. Yates 1937-3-23 6419 Riverside 5 mi n Edom; Thermal Quadrangle Comment
  UC68520  Oenothera deltoides subsp. deltoides H. M. Hall Apr. 1905 5926 Riverside MyCoy Wash Colorado Desert 91 Comment
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Sep 5 2011
  UCR263649  Oenothera deltoides subsp. deltoides David Fraker, Aaron C. Sedgwick 2012-3-22 015 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  POM211589  Oenothera stubelii Unspecified s.n. Riverside San Gorgonia River Bridge near Cabazon. Comment
  CAS-BOT-BC427461  Oligomeris linifolia Carl B. Wolf 1937-4-6 8436 Riverside Colorado Desert. Coachella Valley, 3 mi. No. of Indio. 0 Comment
  CAS-BOT-BC227272  Oncosiphon piluliferum A. C. Sanders; John F. Green 2012-3-26 39992 Riverside Peninsular Range; Santa Ana Mtns. Area: Temescal Canyon, De Palma Rd. near Indian Truck Trail, west of Lee (Corona) Lake near edge of a commercial development 363 Comment
  CDA7542  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24176 Riverside Perris-Aguanga Basin region; Romoland, onramp to Hwy 215 from Hwy 74, just east of 215 Comment
  CDA7545  Oncosiphon piluliferum J. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region; Southeast corner Markham Street and Day Street, Mead Valley area, 2-3 miles southwest of March Air Reserve Base. Comment
  UCD134652  Oncosiphon piluliferum A. C. Sanders 2004-4-9 27479 Riverside Perris Valley: Ramona Expressway at east end of Lake Perris dam. 457 Comment
  CAS-BOT-BC56226  Opuntia polyacantha var. erinacea C. B. Wolf; P. C. Everett 1938-9-29 9458 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  SD217186  Orcuttia californica D. Bramlet 1992-4-29 2253 Riverside Winchester 7.5 USGS; site is approximately 8 kilometers southwest of Hemet; vernal pools are located northwest of the intersection of California Avenue and Stowe Road (5-500 feet north of Stowe Road and 20-700 feet west of California Avenue) 455 Comment
  CAS-BOT-BC355578  Oreostemma alpigenum var. andersonii H. M. Hall 1901-7-30 2574 Riverside San Jacinto Mountains.Tahquitz Valley 2499 Comment
  JEPS22573  Orobanche cooperi Rimo Bacigalupi with Paul C. Hutchison 1958-2-19 6205 Riverside 20 mi n of Desert Center (and about 3-4 mi e of the eastern base of the Coxcomb Mountains, along the Parker Dam Highway from Rice to Desert Center); Colorado Desert, Parker Dam Highway 243 Comment
  RSA0059397  Orobanche cooperi subsp. cooperi Ernest Braunton 1940-01 2006 Riverside Near Indio. Comment
  JEPS10834  Orobanche fasciculata W. L. Jepson and H. M. Hall May 17, 1901-June 1, 1901 1432 Riverside Journey of W. L. Jepson and H. M. Hall from Riverside to Santa Rosa Peak and Palomar, Southern California. Van Deventer's Ranch. Comment
  CAS-BOT-BC500137  Orobanche fasciculata Ivan Johnston 1917-4-4 1102 Riverside Andreas Canyon 243 Comment
  CLARK-A1528-4283  Orthocarpus purpurascens John C. Roos 1947-3-21 3368 Riverside Reche Canyon Comment
  SBBG54321  Osmadenia tenella C. Davidson 1977-5-25 5646 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  UC21180  Osmorhiza berteroi H. M. Hall 1901-7 2592 Riverside Tamarack Valley San Jacinto Mountains 2682 Comment
  UCR26850  Osmorhiza brachypoda E. W. Lathrop 1966-5-17 6536 Riverside Santa Ana Mtns., 4 mi. west of Corona, between Tin Mine Canyon and Santiago Peak 612 Comment
  UCR137708  Oxalis pes-caprae D. L. Banks 1997-3-29 1555 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  POM12814  Oxytheca emarginata P. A. Munz 1922-6-24 5793 Riverside Pipe Creek, Hemet Valley. 1433 Comment
  RSA392899  Oxytheca emarginata E. C. Jaeger 1922-7-23 s.n. Riverside Pines to Palms Trail, E-slope San Jacinto Mtns. 1524 Comment
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May 29 2011
  UC465835  Oxytheca trilobata F. M. Reed 1908-7-14 2555 Riverside ridge above Strawberry Valley; San Jacinto Mountains 1737 Comment
  OBI8361  Paeonia californica David J. Keil, Malcolm McLeod 1977-3-26 12022 -2 Riverside 9 mi E of jctn with I-15 along Calif 79 518 Comment
  RSA747720  Palafoxia arida Justin M. Wood 2009-3-26 403 Riverside Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  JOTR28879  Palafoxia arida var. arida La Doux, Tasha 2004-2-24 1114 Riverside Joshua Tree National Park. Cottonwood Canyon 932 Comment
  POM363741  Palafoxia arida var. arida E. A. McGregor 1964-3-24 s.n Riverside Near Desert Center, Hwy 60 Comment
  UCR239246  Palafoxia arida var. arida Thomas R. Stoughton, J. McConnaughy, A. Monks 2010-12-1 722 Riverside Sonoran (Colorado) Desert, Coachella Valley Preserve, c. 0.25 mile east of road. Site #3 305 Comment
  VVC2467  Palafoxia arida var. arida Tim Thomas 2013-3-18 5932 Riverside Sonoran Desert, 12 miles WSW of Blythe; south of I-10. vic of powerline corridor. 145 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
  RSA0020038  Panicum hirticaule Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6010 Riverside Chuckwalla Valley; south side of Interstate 10, approximately 16 air miles west of Blythe and about 2 air miles southeast of Wileys Well. 122 Comment
  RSA92446  Panicum urvilleanum F. W. Peirson 1928-3-10 7703 Riverside Just east of Whitewater Bridge, near Whitewater, at head of Coachella Valley. Comment
  RSA395362  Papaver californicum Steve Boyd 1986-4-22 1735 Riverside Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  CAS-BOT-BC274189  Pappostipa speciosa H. M. Hall 1901-6-1 2129 Riverside San Jacinto Mountains. Santa Rosa Mountain. Dry hillsides of Coyote Canyon 1584 Comment
  UCR126369  Parietaria hespera var. californica A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 677 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  POM123212  Parietaria hespera var. hespera Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  CDA4250  Parkinsonia aculeata A. C. Sanders, O. F. Clarke 1991-6-1 11124 Riverside Upper Santa Ana River/San Bernardino Valley. Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River. Comment
  UCR261190  Parkinsonia aculeata A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41720 Riverside Esinore, large vacant lot NW of Hwy 74 and SW of the intersection of 74 and Collier Ave. 386 Comment
  LA45756  Parkinsonia florida Carl Epling; William Robison 1933-6-24 sn Riverside near Indio Comment
  SD216479  Parkinsonia florida Carol R. Annable 1995-3-10 2262 Riverside 1.6 kilometers south of Lake Cahuilla County Park. Comment
  PASA203  Parosela schottii Florence Brubaker Riverside Thousand Palms Comment
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Mar 23 2019
  RSA698050  Parosela schottii J. R. Bruff 1927-10-8 1 -L Riverside Thousand Palms. Comment
  UCD88699  Paspalum notatum C. W. Tilforth 1976-9-19 1224 Riverside at 317 Swan Lake Mobile Home Park, Mira Loma (10 miles north of Corona.) Comment
  RSA793609  Pectis papposa Duncan S. Bell, Aaron C. Sedgwick 2012-9-13 4204 Riverside The Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal,, or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  CAS-BOT-BC355870  Pectis papposa var. papposa K. Bonner 1977-10-29 2578 Riverside 1.5 mi. W. of Chiriaco Summit Comment
  JEPS34819  Pectis papposa var. papposa W. L. Jepson Oct 22 1912-Nov 7 1912 5267 Riverside Palo Verde Valley 45 Comment
  OBI15591  Pectis papposa var. papposa Robert F. Hoover 1966-10-15 10174 Riverside Bighorn Dr, San Jacinto Mts Comment
  UCR274780  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-5 065 Riverside Mojave Desert, Alligator ACEC. Desert Center Exit off Hwy I-10., to Granite Mine 399 Comment
  RSA0043060  Pectocarya heterocarpa Jim Andre 2014-1-27 26659 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA0107903  Pectocarya heterocarpa Duncan S. Bell, Thomas Stoughton 2010-3-19 578 Riverside West side of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.5 air miles west of Priest Well. 418 Comment
  RSA747768  Pectocarya heterocarpa Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12592 Riverside Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry 640 Comment
  UCR177262  Pectocarya heterocarpa Scott D. White 2003-3-20 8828 Riverside Coachella Valley, Immediately north of the I-10 / Jefferson Avenue fwy interchange 18 Comment
  UCR216118  Pectocarya heterocarpa Jim Andre, T. La Doux 2009-2-25 10817 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  RSA645674  Pectocarya linearis Scott D. White 1999-5-2 7293 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
  UCR114841  Pectocarya linearis Mitch Provance 1998-2-17 72 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  UCR176196  Pectocarya linearis Amber Bruno 2005-4-3 02 Riverside Riverside; east side of UC Riverside, east end of Big Springs Rd. on north side of road, 0.25 mi. east of Watkins Dr. but west of the railroad track, Islander Park 351 Comment
  UCSB33375  Pectocarya linearis subsp. ferocula Marks, R. 1978-3-16 Riverside At top of hill 3/4 mi. W of orange grove at 3000 Mc Allister Dr. in Riverside 457 Comment
  RSA264580  Pectocarya penicillata C. W. Tilforth 1977-3-6 1261 Riverside 0.3 miles E of El Cariso Forest Station, W of Lake Elsinore, Hgwy 74 & Forestry Rd. 6S06. Comment
  UCR116620  Pectocarya peninsularis A. C. Sanders 2001-3-20 23849 Riverside Western Colorado Desert, Coachella Valley, Garnet, north side of 19th Ave., 1/2 mi. (airline) NW of intersection of I-10 and Indian Ave. 235 Comment
  RSA768409  Pectocarya platycarpa J. Andre, T. La Doux 2009-2-25 10815 Riverside Chuckwalla Mountains: approx. 0.5 miles south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  JOTR35041  Pectocarya recurvata La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3494 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  UCR229215  Pectocarya recurvata Tara Schoenwetter 2011-5-27 s.n. Riverside Peninsular Range, Alberhill, off Lake St. at Alberhill Mountain, N of Coal Ave./Nichols Rd. extension 429 Comment
  RSA192066  Pedicularis densiflora E. W. Lathrop 1959-4-2 4408 Riverside 18 miles S.W. of Elsinore. Tenaja plateau, south slope Comment
  CAS-BOT-BC69223  Pellaea andromedifolia Winfield 1975-5-4 2361 Riverside Highway 74 mile marker 52 22 914 Comment
  HSC35459  Pellaea andromedifolia J. D. Ackerman, A. M. Montalvo 1975-6-26 527 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, near Upper San Juan Campground, Cleveland Nat'l Forest 610 Comment
  RSA561123  Pellaea andromedifolia var. andromedifolia Steve Boyd, Timothy S. Ross, Dave Bramlet 1993-5-12 7312 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  IRVC3147  Pellaea mucronata R. H. Whittaker, W. A. Niering 1963-6-1 SJ 109 Riverside Santa Rosa Mtns; road opposite Pinyon Flats Canyon. Peninsular Ranges 1280 Comment
  RSA686927  Pellaea mucronata F. R. Fosberg 1932-1-1 850 Riverside Devils Garden near Whitewater Comment
  RSA747570  Pellaea mucronata Michael Honer 2003-4-16 1830 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. 640 Comment
  UCD137698  Pellaea mucronata Lewis S. Rose 1966-12-14 66107 Riverside Chino Canyon, 3 mi. W. of Palm Springs Desert. 670 Comment
  CAS-BOT-BC71528  Pellaea mucronata var. californica Ralph Hoffman 1929-9-6 s.n. Riverside Mt. San Jacinto 2286 Comment
  POM120718  Pellaea mucronata var. mucronata Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA34556  Pellaea mucronata var. mucronata Norman C. Cooper 1944-6-17 1426 Riverside San Jacinto Mountains: above Banning 1372 Comment
  RSA1329  Penstemon centranthifolius B. D. Stark 1930-5-4 1536 Riverside Dark Canyon. Comment
  RSA285587  Penstemon centranthifolius D. C. Michener 1980-6-11 3672 Riverside Bautista canyon 7.1 mi. above jct (end) of Lower BAutista Canyon Rd. (5S14) and short road to CA 74. Comment
  RSA412459  Penstemon centranthifolius N. C. Cooper 1945-5-24 1623 Riverside Big Oaks Canyon, Banning, San Gorgonio Mountains. 1220 Comment
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May 13 2011
  RSA618387  Penstemon centranthifolius D. L. Banks 1997-5-5 1977 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UC218048  Penstemon centranthifolius P. A. Munz, I. M. Johnston 1922-5-6 5195 Riverside Covington Ranch , Covington Ranch (Morongo Pass) 762 Comment
  RSA23618  Penstemon clevelandii subsp. connatus Carl B. Wolf, Percy C. Everett 1939-9-29 9461 Riverside Desert slopes of San Jacinto Range, 1.2 miles above Ribbonwood on the Palms to Pines Hwy 1280 Comment
  SD229289  Penstemon grinnellii var. grinnellii Dick Schwenkmeyer 2012-6-27 756 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  JEPS44390  Penstemon labrosus Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4269 1/2 Riverside e Toro Peak (Santa Rosa Mountains); , e of Toro Peak Comment
  POM11256  Penstemon labrosus Philip A. Munz 1922-6-27 5841 Riverside Santa Rosa Mountains, Santa Rosa. 1982 Comment
  RSA402132  Penstemon labrosus N. C. Cooper 1944-7-7 1587 Riverside San Jacinto Mts (above Pine Cove). 2073 Comment
  SEINET2043265 Image available Penstemon pseudospectabilis Howard Scott Gentry 1957-4-20 7635 Riverside Gentry Farm: 3miles NE of Murrieta. 396 Comment
  JEPS11104  Penstemon rostriflorus Marjorie D. Clary 1932-7-4 968 Riverside 10 mi sw Kenworthy (Santa Rosa Mts.); , sw of Kenworthy 1371 Comment
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Nov 1 2011
  RSA33812  Penstemon spectabilis N. C. Cooper 1944-6-4 1322 Riverside Elsinore Mountain. Lookout at top. 1067 Comment
  UCD124326  Penstemon spectabilis R. N. Raynor 1938-6-20 s.n. Riverside southwest side of San Jancinto Mountain. Comment
  JEPS11602  Penstemon spectabilis var. spectabilis W. L. Jepson 1928-4-19 12436 Riverside Temecula Temecula (sw Riverside Co.) 310 Comment
  RSA502512  Penstemon spectabilis var. spectabilis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3567 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  SD119891  Penstemon spectabilis var. spectabilis Louis B. Ziegler 1972-5-9 453 Riverside San Jacinto Valley, open field 472 Comment
  CAS-BOT-BC239694  Penstemon thurberi Edmund C. Jaeger 1931-10-25 s.n. Riverside 2 miles north of Lost Horse Mine, crossroads of Lost Horse-Stubby Springs road, Little San Bernardino Mountains Comment
  UCR269176  Pentachaeta aurea subsp. aurea Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5013 Riverside San Jacinto Mountains, Strawberry Creek to the southwest of Strawberry Valley, c. 2.4 air miles southwest of Idyllwild 1534 Comment
  SD138000  Pentagramma triangularis Darin L. Banks, Steve Boyd 1995-3-15 64 Riverside Northwest Palomar Mountains, Agua Tibia Wilderness Area, north face Agua Tibia Mountain, Dorland Mountain area Comment
  CAS-BOT-BC71579  Pentagramma triangularis subsp. maxonii Larry Kiefer 1963-3-24 483 Riverside Andreas Canyon 365 Comment
  UC63690  Perideridia parishii subsp. latifolia H. M. Hall 1897-8-16 851 Riverside San Jacinto Mt.; bogs and meadows 2499 Comment
  SEINET7248311  Peritoma arborea Duncan S. Bell, LeRoy Gross 2014-1 6282 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  CAS-BOT-BC77477  Peritoma arborea var. angustata Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC355985  Perityle emoryi Carl B. Wolf 1932-4-27 3062 Riverside Colorado Desert. 5 mi. E. of Desert Center. No. base of Chuckwalla Mts. 152 Comment
  SBBG25004  Perityle emoryi D. Myrick 1966-4-5 1383 Riverside near S entrance of Joshua Tree Nat Monument Comment
  CAS-BOT-BC167766  Petalonyx thurberi W. R. Dudley 1903-12-30 s.n. Riverside Two miles below Thousand Palms Comment
  CAS-BOT-BC167772  Petalonyx thurberi Roxana S. Ferris 1918-6-14 983 Riverside On Mecca - Blythe Rd., Shaver's Well Comment
  SEINET10838703  Petalonyx thurberi Jon Ricketson, Heidi H. Schmidt 1992-10-25 Ricketson 4924 Riverside Salton Sea. At the junction of California Highway 111, (Commercial Street), along Vander Veer Road (to North Shore Marina), in the town of North Shore. North end of the Salton Sea, in the Coachella Valley. 60 Comment
  UCD117313  Petalonyx thurberi Lewis S. Rose 1961-11-24 61065 Riverside La Quinta. 15 Comment
  POM250764  Petunia parviflora J. C. Roos 1937-6-7 514 Riverside South foot of Jackrabbit Trail, near San Jacinto. Comment
  CAS-BOT-BC326765  Peucephyllum schottii Philip A. Munz 1932-3-14 12005 Riverside Magnesia Spring Canyon, Coachella Valley 91 Comment
  RSA517238  Peucephyllum schottii Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1325 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  UCR218316  Peucephyllum schottii Jim Andre, T. La Doux 2009-3-10 11248 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  RSA94111  Peucephyllum schottii F. W. Peirson 1918-03 1244 Riverside SE side of desert embankment at Palm Springs and almost opposite Andreas Canyon. Comment
  POM7724  Phacelia ambigua P. A. Munz, R. D. Harwood 1920-4-3 3576 Riverside 30 miles west of Blythe. 366 Comment
  UCR148850  Phacelia ambigua Chet McGaugh 2005-1-5 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 1 mi. north of the Imperial Co. line along Coachella Canal right-of-way 21 Comment
  POM18745  Phacelia brachyloba P. A. Munz 1923-6-14 7087 Riverside Glen Ivy Trail to Santiago Peak. 1433 Comment
  SD248441  Phacelia brachyloba a.c. Sanders, T. B. Salvato 2014-7-2 41184 Riverside Peninsular Range: San Jacinto Mountains: Fobes Canyon, c. 1/2 mile S of Fobes Ranch along Fobes Ranch Road (Palm View Peak 7.5'Q) 1555 Comment
  RSA428152  Phacelia campanularia Martha Hilend 1928-3-9 62 Riverside Near White Water Bridge. Colorado Desert. Comment
  UCR108490  Phacelia campanularia A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16198 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  JEPS2213  Phacelia campanularia subsp. vasiformis W. L. Jepson 1928-4-25 12571 Riverside Cottonwood Spr. Colorado Desert, Eagle Mts. 731 Comment
  SD234423  Phacelia cicutaria Wayne Law, Jun Hu 2000-5-16 16 Riverside Peninsular Ranges: Santa Ana Mtns.: Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi S of Corona (Alberhill 7.5' Q) 395 Comment
  RSA788442  Phacelia cicutaria var. hispida L. M. Prince, Duncan S. Bell 2009-6-17 580 Riverside Cleveland National Forest. Comment
  UC881077  Phacelia cicutaria var. hispida C. L. Hitchcock 1940-4-12 6040 Riverside 8 mi nw Elsinore 457 Comment
  HSC95252  Phacelia ciliata D. E. Bramlet 2000-5-9 3024 Riverside San Jacinto River; the site is 457 m S of San Jacinto Avenue and 1.1 km north of Ellis Ave and just W of the river Comment
  SD134446  Phacelia ciliata Craig Reiser 1991-4-30 Riverside Southeast of Lake Perris near the San Jacinto River Comment
  UCR85569  Phacelia ciliata Julie A. Greene 1993-4-17 1202 Riverside San Jacinto Valley, San Jacinto Wildlife Area. west of San Jacinto River, west of Davis Rd 439 Comment
  CLARK-A1528-2998  Phacelia crenulata John C. Roos 1949-3-5 4090 Riverside Orocopia Mountains Comment
  RSA0107847  Phacelia crenulata Duncan S. Bell, Amanda Turek 2009-3-30 169 Riverside Southeast section of the Arica Mountains; approximately 1.25 air miles southwest of Priest Well. 349 Comment
  JOTR34014  Phacelia crenulata var. ambigua La Doux, Tasha, M. Harding 2010-4-7 2901 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  SD237467  Phacelia crenulata var. minutiflora Dave Silverman 2010-3-30 8062 Riverside East flank of southern McCoy Mountains, 1.8 km W of Black Creek Road, 7.0 km E of McCoy Peak and 4.4 km north of I-10 182 Comment
  UC663066  Phacelia cryptantha James E. Cole 1941-5-30 824 Riverside peak ese C. G. S. SDtation; Joshua Tree National Monument, Quail Mountain Comment
  OBI40189  Phacelia distans N. Miles Fellows 1985-3-3 85 Riverside Oasis de los Osos Preserve, off Snow crk Cyn at the N foot of the San Jacinto mts, 1 mi W of Snow Crk Village. T3S, R3E S1/2 sec 20 488 Comment
  RSA555478  Phacelia distans D. Charlton 1988-2-18 1183 Riverside Alluvial Fan, S side of Little San Bernardino Mtns, Fargo Canyon road to Cottonwood wash, S of Joshua Tree National Par, Parallel to I10. 1 mile E of Jct Dillon Road and Fargo Canyon road. 610 Comment
  UCD120406  Phacelia distans C. L. Hitchcock 1966-3-16 24203 Riverside Along Palms to Pines Highway, 7 mi. s. of Palm Desert. Comment
  UCR133367  Phacelia distans Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 291 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 Comment
  UCR227008  Phacelia distans Jim Andre 2011-2-2 16239 Riverside Coachella Valley, mouth of Big Morongo Wash, 1 mi east of Hwy 62, just north of North Indian Canyon Road, west of Desert Hot Springs, 7.5 mi north of Hwy I-10 487 Comment
  UCR80811  Phacelia imbricata Scott D. White 1993-5-29 1463 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  SFV11870  Phacelia minor R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UCR97889  Phacelia minor A. C. Sanders 1997-3-1 19704 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCR90185  Phacelia minutiflora A. C. Sanders, E. J. Lawlor 1992-4-4 12149 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA428114  Phacelia mutabilis Anstruther Davidson 1896-7-7 1921 Riverside Mt. San Jacinto. 2744 Comment
  PASA1332  Phacelia parryi 1929-3-3 Riverside Near Whitewater Comment
  GMDRC6544  Phacelia ramosissima J. M. Andre 2012-6-15 30496 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  LA205628  Phacelia ramosissima Elizabeth McClintock; 1936-7-19 s.n. Riverside SAN JACINTO MOUNTAINS, Idyllwild. Comment
  CLARK-A1528-4793  Phalaris aquatica John C. Roos 1962-6-30 Riverside Santa Ana Mountains Comment
  UCR16672  Phalaris aquatica Frederick Neill 1977-5-28 52804 Riverside Santa Ana Mtns., 4.8 mi. up Skyline Dr. from Corona, near crest of mountains 854 Comment
  RSA736287  Phalaris minor Scott D. White, Justin M. Wood 2008-5-13 11955 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  RSA469903  Phlox austromontana E. C. Jaeger 1922-6-29 s.n. Riverside Tahquitz Valley, San Jacinto Mountains 2073 Comment
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May 29 2011
  UCR245748  Pholisma arenarium Duncan S. Bell 2009-4-18 216 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
  RSA459263  Pholistoma auritum E. Crow 1929-4-7 298 Riverside Corona Skyline Drive, Santa Ana Mountains. Comment
  RSA0043161  Pholistoma auritum var. auritum Scott D. White, Justin M. Wood 2008-3-25 11784 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  UCR84882  Pholistoma membranaceum A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16119 Riverside Coachella Valley, NW end of valley, wash east of Hwy 62 and south of Indian Ave, 0.45 mi south of Indian on Worsley Rd 500 Comment
  JOTR29444  Phoradendron californicum La Doux, Tasha, Mike Bell 2006-3-8 1342 Riverside Joshua Tree National Park. Hayfield spring Comment
  OBI12435  Phoradendron californicum Lewis S. Rose 1966-12-11 66093 Riverside Palm Springs 152 Comment
  OBI34667  Phoradendron californicum David J. Keil 1980-3-29 13744 Riverside Joshua Tree Natl Monument. 7 mi N of Cottonwood Springs turnoff Comment
  UC1194595  Phoradendron californicum Del Wiens 1955-10-17 960 Riverside Palms to Pines Highway between Keen Camp and Palm Springs (State Hwy 74); State Hwy 74 Comment
  UC61548  Phoradendron californicum Miss Mary McKibben Riverside Mecca -60 Comment
  UCR92786  Phoradendron densum Scott D. White 1995-12-24 3796 Riverside Lakeview Mtns., Juniper Flats Road, c. 1.2 road mi north of the junction w/ SR 74. 610 Comment
  POM354351  Phoradendron villosum N. C. Cooper 1945-5-24 1630 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA722378  Phoradendron villosum J. Russell Bruff 1934-7-9 s.n. Riverside Idyllwild. Comment
  RSA28050  Physalis crassifolia I. L. Wiggins 1941-3-27 9673 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  SEINET12808848  Physalis crassifolia Chris Dietrich, M. Merello, and H. Schmidt 1994-1 21 Riverside 9 mi NNW of Indio, off Dillon Road 1.9 mi NE on Berdoo Canyon Road (J241). BLM Land. Desert Access Guide map #17. 380 m 358 Comment
  UCR178510  Physalis crassifolia R. G. Swinney 1967-2-12 0023 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  UCR20833  Physalis crassifolia A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1318 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
  UCR244424  Physalis crassifolia Jim Andre 2012-4-16 20919 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  JOTR32859  Physaria tenella La Doux, Tasha, E. Babich 2008-3-5 3007 Riverside Joshua Tree National Park. southeastern Hexie Mountains, near Smoke Tree Wash along Rte 11 Comment
  RSA748226  Pinus coulteri T. Scott, A. Townesmith, K. M. Meyer 2007-3-15 133 Riverside San Bernardino National Forest. 14.5 mile S on Rt. 243 from US 10, at pulloff next to Soboba Penny Pine Plantation. 1602 Comment
  JEPS46820  Pinus flexilis W. L. Jepson 1901-1 Riverside Santa Rosa Peak Comment
  RSA505025  Pinus quadrifolia D. Charlton 1988-5-21 1908 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  HSC92883  Pinus torreyana A. C. Sanders 1995-12-21 17939 Riverside Riverside: yard at 5081 Magnolia Ave 259 Comment
  CDA2307  Piptatherum miliaceum C. Canyon 1963-6-24 Riverside Temescal Canyon, Santa Ana Mountains. 0 Comment
  HSC86913  Plagiobothrys canescens L. F. LaPre, J. Easton 1988-1-21 Riverside Gavilan Plateau, Steele Peak. Comment
  RSA575963  Plagiobothrys canescens Steve Boyd 1981-4-10 s.n. Riverside Gavilian Hills region, Gavalian Plateau east of Estelle Mountain along Estelle Mountain Road. 671 Comment
  UC64417  Plagiobothrys canescens H. M. Hall 1897-3-23 397 Riverside Winchester, Southern California Winchester Comment
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Mar 20 2011
  UCR103170  Plagiobothrys collinus Scott D. White, Julie Greene 1997-3-12 4769 Riverside Pedley area, S foot of Jurupa Hills: Just north of State Route (Fwy) 60 at Pedley exit. 305 Comment
  UCR135841  Plagiobothrys collinus A. C. Sanders 2004-4-20 27537 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UC1506500  Plagiobothrys fulvus A. C. Sanders and T. Glenn 1983-4-17 3736 Riverside 5 mi (airline) s Murrieta; Santa Ana Mountains, Mesa de Colorado 609 Comment
  UCR41823  Plagiobothrys jonesii A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6063 Riverside Sonoran (Colorado) Desert, Graham Pass, between Chuckwalla Mtns & Little Chuckwalla Mtns. 503 Comment
  VVC2448  Plagiobothrys jonesii Tim Thomas 2013-3-18 5940 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  UCR138721  Plagiobothrys leptocladus Julie A. Greene 1993-4-17 1217 Riverside Perris Basin, San Jacinto Wildlife Area, west of Davis Rd 433 Comment
  POM368912  Plagiobothrys nothofulvus M. M. Thompson 1947-6-9 C 2061 Riverside Los Alamos Canyon, Elsinore 762 Comment
  SEINET7073468  Plagiobothrys nothofulvus A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UCR162820  Plagiobothrys nothofulvus Jeri Hirshberg 1989-3-20 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, c. 0.5 mile (air) south of Mesa de Burro, just north of Mesa de la Punta 610 Comment
  UCR60551  Plagiobothrys nothofulvus K. Tomlinson, D. Kama, R. F. Thorne 1985-3-27 891 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  RSA388325  Plagiobothrys tenellus Steve Boyd 1986-5-7 1840 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. [Gavilan Hills] Comment
  RSA612701  Plagiobothrys tenellus D. L. Banks 1997-3-29 1597 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  SD90575  Plagiobothrys undulatus Robert F. Thorne, Eatl Lathrop 1969-5-12 37931 Riverside Santa Rosa Plateau; large vernal marsh on south end of Mesa de Colorado, Rancho California. 625 Comment
  SD68967  Plantago elongata Robert Thorne, P. A. Munz, E. Lathrop 1968-5-8 37575 Riverside Santa Rosa Plateau: desiccated margin of vernal marsh on Mesa de Colorado, Rancho California; 671 Comment
  UCR75332  Plantago elongata A. C. Sanders 1993-5-12 14008 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  SEINET12271824  Plantago erecta J. F. Bright, Wyman, C. 1933-1 8193 Riverside near Indio Comment
  CLARK-A1528-696  Plantago lanceolata Pat Halligan 1968-5-6 Riverside Riverside Comment
  JEPS22514  Plantago ovata Rimo Bacigalupi with Paul Hutchison 1958-2-19 6195 Riverside 9.4 mi n Blythe (at w base of Big Maria Mts.); Big Maria Mts. 167 Comment
  UCR233179A  Plantago ovata Jim Andre, Glenn L. Clifton 2011-2-22 17427 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  UCR244913  Plantago ovata Jim Andre 2012-3-19 21354 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  RSA596529  Plantago ovata var. fastigiata D. L. Banks 1996-7-16 1130 Riverside NW Palomar Mountains; Agua Tibia Mountains; In the Vail Ranch Housing Development, N of the Pechanga Indian Reservation; At the W side of the intersection of Marge Place and Tehachapi Pass( N of Vail Ranch Road)., Along a disturbed hillside and adjacent roadside 427 Comment
  UCSB7590  Plantago ovata var. fastigiata Beeks, Richard 1952-4-4 Riverside 7 mi above Mecca in Box Cyn Comment
  CLARK-A1528-698  Platanus racemosa Rand Ch. Isbell 1970-5-14 3 Riverside Box Springs 365 Comment
  UCR91742  Platanus racemosa A. C. Sanders, J. Goetzen 1996-5-1 18140 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  CAS-BOT-BC91876  Platystemon californicus Cecil Hart 1922-5-21 2 Riverside San Jacinto Mountain. Comment
  CAS-BOT-BC91878  Platystemon californicus Winfield 1975-5-1 2431 Riverside Cajalco Road - 1 mile west Lake Matthews Dam. Comment
  RSA615388  Platystemon californicus A. C. Sanders, G. K. Helmkamp 1997-3-15 s.n. Riverside Lake Skinner area, NE shore of Skinner Lake, SE foot of Bachelor Mtn, NE slopes of a small hill. 473 Comment
  POM13268  Pleuraphis rigida E. C. Jaeger 1921-4-5 123 Riverside Murray Canyon. Comment
  RSA780227  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-12 104 Riverside East side of the West Riverside Mountains. Highway 62 to NS857 (Radio Tower Road) to NS 853 to 7 Wash Road. Vidal Valley. 348 Comment
  UC818430  Pleuraphis rigida Ivan Johnston Apr 4 1917-Apr 6 1917 1093 Riverside mouth of Andreas Canyon; Colorado Desert, mouth of Andreas Canyon 243 Comment
  CLARK-A1045-141  Pleurocoronis pluriseta George K. Helmkamp 1977-3-20 Riverside Deep Canyon rocky wall; Palm Desert 15'Q Comment
  CLARK-A1045-218  Pleurocoronis pluriseta George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; wash; Lost Horse Mtn. 15'Q Comment
  JOTR31906  Pleurocoronis pluriseta La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2154 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash Comment
  LA102219  Pleurocoronis pluriseta John C. Roos; 1966-3-10 sn Riverside Chuckwalla Mountains, 3 mi. SE of Desert Center Comment
  UC1292583  Pleurocoronis pluriseta C. L. Hitchcock and C. V. Muhlick 1964-3-22 23261 Riverside w end Pinto Basin; Joshua Tree National Monument, Pinto Basin Comment
  POM10021  Pluchea sericea Anonymous 1903-8-23 207 Riverside Spring Brook W of Elliotta? [City of Riverside] Comment
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Jan 5 2015
  RSA0120628  Pluchea sericea Duncan S. Bell, Thomas Stoughton 2016-3-16 8943 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southeastern section of range, approximately 2.5 air miles northeast of Gucci Spring. 408 Comment
  UC1713243  Poa annua unknown April 1917 Riverside Riverside Comment
  CAS-BOT-BC237698  Poa secunda Elizabeth A. Kellogg; Elizabeth L. Taylor 1980-5-21 310 Riverside Near Observation Point on Highway 74 701 Comment
  RSA772017  Poa secunda Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4953 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  RSA85586  Poa secunda J. C. Roos 1952-4-2 5453 Riverside At Edgemont near Box Springs. 488 Comment
  UCD90300  Poa secunda A. A. Beetle 1944-4-27 3006 Riverside West of Murietta. Comment
  UCR91491  Poa secunda Scott D. White 1995-4-5 2724 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  SEINET10893578  Poa secunda E. A. Kellogg, Elizabeth L. Taylor 1980-5-20 Kellogg 304 -40 Riverside On N side of hwy 74. T7S R4E S16. On flat with Artemisia tridentata, Adenostoma fasciculatum, Bromus tectorum. Comment
  JOTR37490  Polygala acanthoclada Hodges, Stephen R. 2016-5-1 619 Riverside Joshua Tree National Park. Cottonwood Mountains, to the north east of the Cottonwood visitor center Comment
  UCR59845  Polygonum argyrocoleon George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, W of Blythe, c. 0.5 mi. south of Hwy I-10 ['I-8'] , at Seeley Ave. [=16th Ave.] and Calif. Hwy 78 79 Comment
  POM12882  Polygonum bistortoides P. A. Munz 1922-7-6 6001 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  RSA605371  Polygonum lapathifolium Scott D. White, Steve Ogg 1994-10-17 2481 Riverside City of Temecula: Murrieta Crk channel 1000 ft. N of bridge at Rancho California Ave. 305 Comment
  UCR82834  Polygonum lapathifolium A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15812 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 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
  UCR155828  Polypogon monspeliensis John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR2727  Polypogon monspeliensis F. M. Reed 1903-12-13 414 Riverside South Coast; San Bernardino Valley, Riverside, near natural bridge in Arroyo Chico [Terraces Ranch, 547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  UCR240646  Polystichum munitum Tracy Tennant, Mitch Provance 1998-6-16 MOR- 416 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  POM182203  Populus X parryi Philip A. Munz 1932-4-24 12388 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  CAS-BOT-BC102601  Populus fremontii Dr. Barton W. Evermann 1916-5-14 s.n. Riverside Mecca Comment
  RSA125852  Populus fremontii E. K. Balls, Percy C. Everett 1957-11-13 22797 Riverside Snow Creek, north base San Jacinto Mountains. 701 Comment
  UCR121093  Populus fremontii A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24980 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  POM122002A  Populus fremontii subsp. fremontii Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Springs near Temecula. 366 Comment
  SEINET11984523  Populus fremontii subsp. fremontii E. K. Balls, Everett, P. C. 1957-1 22797 Riverside Snow Creek, N base San Jacinto Mts 701 Comment
  LA203859  Porophyllum gracile Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9537 Riverside Cottonwood Mountains, 2 mi. from Cottonwood Springs Comment
  UCR137692  Porophyllum gracile D. L. Banks, V. W. Steinmann 1997-3-13 1477 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR188151  Portulaca halimoides Robert J. Steers, Chris E. True 2007-10-3 s.n. Riverside Mojave Desert, Hidden Valley Campground, Joshua Tree National Park 1280 Comment
  RSA500203  Potamogeton pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3542 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  RSA763170  Potentilla glandulosa Scott D. White, Justin M. Wood 2009-5-22 12903 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. Comment
  UC415580 Image available Potentilla gracilis var. fastigiata H. E. Hasse 1892-7-1 5696 Riverside Strawberry Valley; ; Strawberry Valley, San Diego Co. [formerly] Comment
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Dec 11 2006
  UCR117669  Potentilla norvegica subsp. monspeliensis T. Schram, D. Wappler 1994-7-14 s.n. Riverside San Jacinto Mtns., Lake Hemet. Comment
  JOTR31228  Prenanthella exigua La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2012 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 4) basalt rocky slopes above Pinto Wash, sparsely vegetated 377 Comment
  UC68985  Prenanthella exigua H. M. Hall Apr 1905 5918 Riverside Colorado Desert , Palo Verde Valley (Palo Verde Valley) 76 Comment
  RSA502501  Prosopis glandulosa var. torreyana Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3721 Riverside Vail Lake area, recently burned hills SE of lake, S of Hwy 79. 488 Comment
  UCSB50077  Prosopis glandulosa var. torreyana Millett, Barbara 1980-5-18 Riverside Com Springs Wash, off Corn Springs Road 7 miles southwest of its juction with Chuckwalla Road, Chuckwalla Mts. 457 Comment
  RSA604714  Prosopis velutina L. C. Wheeler 1961-10-8 7933 Riverside Temescal Canyon: at Dawson Canyon Fire Road. Comment
  SDSU18663  Prunus fasciculata var. fasciculata Michael G. Simpson, Kristen Hasenstab 2008-4-2 2951 Riverside Joshua Tree National Park. Wash, just southwest of road to Cottonwood Spring, ca. 0.2 mile northwest of Cottonwood Spring. 896 Comment
  HSC25799  Prunus fremontii Richard Spjut 1972-3-13 2258 Riverside Western border of the Colorado Desert ; San Jacinto Mts., near the eastern border of the San Bernardino Natl. Forest along Hwy. 74 915 Comment
  RSA0121429  Prunus fremontii Duncan S. Bell, LeRoy Gross 2016-3-29 9128 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  CLARK-A1528-4037  Prunus virginiana John C. Roos 1965-7-3 Riverside San Jacinto Mountains Comment
  UCR81107  Prunus virginiana Scott D. White 1993-5-29 1451 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 2134 Comment
  RSA0014598  Psathyrotes ramosissima Justin M. Wood, J. Miner 2010-4-30 1553 Riverside Coachella Valley: Thousand Palms, just E of intersection of Ramon Rd. and Vista de Oro, just NE of Edison substation. 61 Comment
  UCR144128  Psathyrotes ramosissima Scott D. White, Michael Honer 2003-5-15 9307 Riverside Sonora (Colorado) Desert, Bajada below Little Maria/Big Maria Mtns, near Inca RR siding and c. 15 air mi NW of Blythe 76 Comment
  UCR34931  Pseudognaphalium biolettii L. B. Ziegler 1967-8-24 223 Riverside San Jacinto Mtns, San Jacinto Valley. Mission [Avery] Canyon 503 Comment
  UCR268284  Pseudognaphalium californicum Jim Andre 2012-6-15 30510 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  CAS-BOT-BC361785  Psilocarphus brevissimus var. brevissimus A. C. Sanders 1993-5-12 14004 Riverside Hemet, SW corner of the intersection of Florida Ave. (Hwy 74) and Warren Rd., between the New San Diego Aqueduct and Warren 460 Comment
  UCR38699  Psorothamnus arborescens var. simplicifolius J. M. Stewart 1985-4-28 8515 Riverside Western Colorado Desert, Coachella Valley, along the north side of Hwy I-10, 1 mi west of Indian Ave. 244 Comment
  UC555346  Psorothamnus emoryi Margaret Stason 1927-3-12 Riverside Thousand Palms , Thousand Palms (Colorado Desert) Comment
  SBBG21967  Psorothamnus fremontii R. F. Thorne 1964-5-3 33849 Riverside near hwy ca. 4 mi S of Morongo Valley, ca. 3 mi S of San Bernardino Co line Comment
  HSC84094  Psorothamnus schottii Aaron Liston, T. S. Elias, O. R. Dorado, S. Zona 1986-11-29 6401 Riverside Road to Painted Canyon, Mecca Hills Comment
  SBBG29378  Psorothamnus schottii D. Myrick 1968-3-2 1800 Riverside Desert Hot Springs 304 Comment
  SBBG3318  Psorothamnus schottii M. A. Piehl 1963-6-1 63532 Riverside St Hwy 74, 7.6 mi NE of Pinyon Flat cmpgrd (S of Palm Desert) 731 Comment
  UCSB3058  Psorothamnus schottii Yokoyama, Howard 1953-3-22 Riverside Morongo Canyon Comment
  SDSU5214  Psorothamnus spinosus Joan Godsil 1953-1-18 555 Riverside Joshua Natioanl Monument, 29 Palms To Cottonwood Highway. 625 Comment
  UCSB11480  Psorothamnus spinosus Dearing, Hugh; Dearing, Margaret 1940-6-8 Riverside Near Palm Springs Comment
  CAS-BOT-BC421259  Pterostegia drymarioides A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19889 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road. 518 Comment
  JOTR31902  Pterostegia drymarioides La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2150 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash Comment
  RSA27013  Pterostegia drymarioides C. L. Hitchcock 1940-4-1 5909 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  UCR18121  Pterostegia drymarioides A. C. Sanders 1978-4-2 567 Riverside Sonoran (Colorado) Desert, Living Desert Reserve in Palm Desert [mouth of Deep Canyon] 152 Comment
  UCR50000  Pulicaria paludosa Theo Glenn 1987-6-15 s.n. Riverside Western Colorado Desert, Coachella Valley, Thousand Palms Oasis, in the Indio Hills. 168 Comment
  JOTR16838  Purshia tridentata var. glandulosa Hogan, J. 1974-5-6 43 Riverside Joshua Tree National Park. LOWER COVINGTON FLAT PARKING AREA 1432 Comment
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Jun 9 2013
  RSA757785  Purshia tridentata var. glandulosa LeRoy Gross, Jackie McConnaughy, Andrew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4302 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UCD170875  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end. 716 Comment
  RSA0031050  Quercus Robert F. Thorne, P. Everett 1966-10-18 41855 Riverside Santa Rosa Mountains Comment
  POM256952  Quercus X morehus W. Pequegnat 1940-6-15 s.n. Riverside Between Horsethief and Rice Canyon, Santa Ana Mts. 1250 Comment
  UCR241234  Quercus X morehus Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 458 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  POM265846  Quercus X munzii W. Egbert Schenck 1942-10 s.n. Riverside Joshua Tree National Monument. South end of Mojave Desert. 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
  UC5484  Quercus agrifolia Samuel B. Parish 1891-11-3 2253 Riverside Murietta Comment
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Jul 15 2009
  UCR169237  Quercus agrifolia Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 08- 65 Riverside San Jacinto Mtns, San Bernardino National Forest, Hwy 74 near Cranston Guard Station, 10 miles east of Hemet, Site L8 581 Comment
  RSA476867  Quercus agrifolia var. agrifolia E. Fitzgerald 1929-05 s.n. Riverside Idylwild, San Jacinto Mts. Comment
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Mar 29 2014
  UCD45075  Quercus agrifolia var. oxyadenia Maunsell Van Rensselaer 1937-6-24 s.n. Riverside San Jacinto Mountains, Riverside County, California. Comment
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Mar 29 2014
  RSA19221  Quercus berberidifolia R. S. Woglum 1938-5-1 1602 Riverside Hemet, So toward Aguanga Comment
  UCD170419  Quercus berberidifolia D. O. Burge 2017-3-13 2226 Riverside Perris area, Santa Rosa Plateau. 640 Comment
  CHSC21926  Quercus chrysolepis L. A. Bellue; Robert A. Schlising 1970-11-7 2954 Riverside Morris Ranch Road, 3.3 miles N Highway 74. Comment
  SD122862  Quercus engelmannii Steve Boyd 1985-7-30 1047 Riverside 7.8 miles west of Rancho California, De Luz road Comment
  UCR280969  Quercus engelmannii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 32 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  UCR116866  Quercus ilex A. C. Sanders, T. B. Salvato 2001-5-3 24123 Riverside San Bernardino Valley region, Riverside, Watkins Drive east of Blaine St., at Lemona Siding 335 Comment
  CAS-BOT-BC104315  Quercus palmeri A. C. Sanders 1995-11-26 17925 Riverside Elder Creek drainage, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Elder Crk rd, 0.3 mi W of Bonny Lane, rural low density development 1264 Comment
  UC5512  Quercus palmeri H. M. Hall Jun 1901 2158 Riverside near VanDeventer's (se side); San Jacinto Mountains 1524 Comment
  RSA477128  Quercus turbinella Julian P. Donahue 1984-10-6 90405 Riverside Pinyon Crest, Pinyon Flat, between San Jacinto & Santa Rosa Mts. 1250 Comment
  CAS-BOT-BC168238  Quercus wislizeni T. B. Salvato 2004-5-27 592 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
  SDSU6994  Quercus wislizeni H. Wedberg 1962-7-28 988 Riverside 6 miles from Mountain Center on the road to Hemet. 914 Comment
  UC1212091  Quercus wislizeni Peter M. Ray 1948-11-27 1311 Riverside Hall Canyon San Jacinto Mts. Comment
  RSA748222  Quercus wislizeni var. frutescens T. Scott, A. Townesmith, K. M. Meyer 2007-3-9 113 Riverside Cleveland National Forest. 0.8 mile down Woodridge Rd. in town of Oak Grove, at Oak Grove trailhead. 855 Comment
  CLARK-A1656-688  Rafinesquia neomexicana Lois Ann Scott 1979-3-2 Riverside Rancho Mirage 91 Comment
  JOTR34052  Rafinesquia neomexicana La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2952 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  RSA0124737  Rafinesquia neomexicana Duncan S. Bell, LeRoy Gross 2016-3-9 8848 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  RSA472421  Rafinesquia neomexicana N. C. Cooper 1944-3-25 1038 Riverside Morongo Pass. 457 Comment
  UC829468  Rafinesquia neomexicana C. L. Hitchcock 1940-4-2 5919 Riverside wash Cottonwood Spring (Joshua Tree National Monument); , Cottonwood Spring wash Comment
  UC830533  Rafinesquia neomexicana I. W. Clokey 1935-4-17 6967 Riverside Cottonwood Springs Comment
  UCD135356  Rafinesquia neomexicana Geoffrey Levin 1976-3-27 701 Riverside on south side of Chino Canyon, west of Palm Springs. Colorado Desert. 457 Comment
  UCR85167  Rafinesquia neomexicana A. C. Sanders, G. K. Helmkamp, P. MacKay 1995-3-12 16087 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  POM13145  Ranunculus aquatilis var. capillaceus P. A. Munz, I. M. Johnston 1922-5-19 5431 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  RSA180258  Ranunculus aquatilis var. capillaceus E. W. Lathrop 1965-5-18 5758 Riverside 8 miles W of Murrieta; hills around 300 ft high. 610 Comment
  UCR161010  Ranunculus californicus 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
  RSA400244  Ranunculus cymbalaria var. saximontanus Mark Morris 1929-3-17 14900 Riverside Palm Canyon. Comment
  CAS-BOT-BC334466  Ranunculus muricatus O. F. Clarke 2010-4-16 s.n. Riverside Peninsular Range: Riverside. O.F. Clarke resience, 266 Frost Court, east edge of UCR campus 350 Comment
  RSA735078  Rhamnus crocea Scott D. White, Angelia Carey 2004-6-4 10480 -A Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  RSA0027937  Rhamnus ilicifolia John F. Emmel 1992-5-16 1222 Riverside Elsinore Mts: Ridgetop along Main Divide Road, 0.7 air mi east of El Cariso Guard Station. 902 Comment
  SD119922  Rhododendron occidentale Louis B. Ziegler 1969-7-3 384 Riverside San Jacinto Mountains, North Fork of the San Jacinto River. 1890 Comment
  UC1929485  Rhododendron occidentale Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1707 Riverside Peninsular Ranges; San Jacinto Mountains region; Fuller Mill Creek Picnic Area. 1524 Comment
  RSA689699  Rhododendron occidentale Valerie L. Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1707 Riverside Fuller Mill Creek Picnic Area. 1524 Comment
  UCR251694  Rhus aromatica T. B. Salvato 2014-4-9 7833 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  RSA543126  Rhus integrifolia Steve Boyd 1991-3-17 5472 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
  OBI8068  Rhus ovata David J. Keil, Malcolm McLeod 1977-3-26 12018 Riverside 9 mi E of jctn with I-15 along Calif 79. 518 Comment
  SEINET5569815  Rhus ovata H. S. Gentry 1954-1 14245 Riverside Northwest of Aguanga, along road to Sage. Comment
  UC1130532  Rhus ovata A. Lewis 1934-3-4 305 Riverside Tin Mine Canyon; Cleveland National Forest 701 Comment
  UC2015590  Rhus ovata Scott D. White 1996-3-16 3820 Riverside Perris Basin, Lakeview Mts, N of Winchester, at Maze Stone Picnic Area. Comment
  RSA0062683  Rhus ovata Dave Kelly 1948-1-23 s.n. Riverside Foothills of Batiesta [Bautista] Canyon, 7-10 mi. East of Hemet. 518 Comment
  SEINET3080864 Image available Rhus trilobata A. C. Sanders, J. Goetzen 1996-5-1 18138 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning. 792 Comment
  RSA577523  Ribes amarum D. L. Banks, Steve D. Boyd 1995-2-16 49 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., S of the Dripping Springs Alcove, E of the Woodchuck Trail. 829 Comment
  CAS-BOT-BC173135  Ribes indecorum A. J. McClatchie 1892-5-20 s.n. Riverside [Canon] Canyon of St. Rosa Mts., near Elsinore Lake Comment
  RSA487547  Ribes indecorum Bill Wagner 1988-3-2 s.n. Riverside Glenoaks Road about 2.5 mi S if Lake Skinner and ca. 8 mi NE of Temecula. 564 Comment
  RSA496744  Ribes indecorum Maureen Pendleton 1988-2-1 s.n. Riverside Ca. 2.5 mi. S of Temecula between I-215 and Rainbow Canyon Road. 412 Comment
  SD137739  Ribes indecorum Darin L. Banks, Steve Boyd 1995-2-16 47 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; east of the Woodchuck Trail. 730 Comment
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Mar 2 2013
  RSA0022093  Ribes montigenum E. C. Jaeger 1921-06 s.n. Riverside Round Valley, San Jacinto Mtns. 2744 Comment
  RSA476214  Ribes nevadense Gale Sphon 1955-5-21 s.n. Riverside Fullermill Creek. Comment
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Feb 22 2013
  RSA604839  Ribes quercetorum Scott D. White 1995-4-5 2752 Riverside Lakeview Mountains; SW of Juniper Flat Road. 579 Comment
  RSA0088969  Ricinus communis R. G. Swinney 1967-5-26 11741 Riverside Snow Creek. 335 Comment
  RSA638201  Romneya coulteri Scott D. White 1998-10-9 7171 Riverside Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 335 Comment
  UCR234291  Romneya coulteri A. C. Sanders, John F. Green 2012-4-6 40013 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along Temescal Cyn. Rd., between Campbell Ranch Rd. and Glen Ivy Electrical Substation, west of I-15 Fwy, c. 10 miles south of Corona 327 Comment
  UCR274298  Romneya coulteri T. B. Salvato, Gregg Miller 2005-6-7 1438 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  RSA740246  Rorippa curvisiliqua Scott D. White, Justin M. Wood 2008-7-9 12409 Riverside Johnson Meadow 1415 Comment
  CLARK-A1528-4880  Rorippa nasturtium-aquaticum John C. Roos 1937-5-23 2341 Riverside La Sierra Comment
  CSUSB501  Rorippa nasturtium-aquaticum M. Quinlan 1974-5-25 S.N. Riverside Found in Riverside county on the bank of the Santa Ana River about 1 mile form the Riverside Municipal Airport in Riverside 266 Comment
  UC218256  Rosa californica P. A. Munz 1922-6-29 5901 Riverside along small stream Santa Rosa 1981 Comment
  UCR241189  Rosa californica Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 499 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  RSA711839  Rumex A. C. Sanders 2004-4-9 27474 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, vicinity of Rose Rd. 457 Comment
  RSA784735  Rumex Duncan S. Bell 2012-3-18 3202 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  UCR241406  Rumex crispus T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7446 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  UCR35079  Rumex salicifolius var. denticulatus L. B. Ziegler 1969-6-10 373 Riverside San Jacinto Mtns., Hemet Valley (= Garner Valley) 1433 Comment
  OBI38317  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
  UCR23460  Ruta chalepensis John C. Roos 1950-4-22 4749 Riverside In the pass between Reche Canyon and Pigeon Pass Road 457 Comment
  UCR111779  Sagina apetala Mitch Provance 1999-5-4 1691 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UC489199  Sagina saginoides C. V. Meyer 1928-7-26 541 Riverside San Jacinto Mt., Deer Springs 2743 Comment
  JOTR30066  Salazaria mexicana La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1696 Riverside Joshua Tree National Park. Stop # 3 = Near Geology Tour rd., N of Malapai Hill 1219 Comment
  UC284659  Salazaria mexicana Ivan Johnston 1917-4-4 Riverside Palm Canyon; Colorado Desert, Palm Canyon 457 Comment
  UCR16808  Salazaria mexicana S. M. Chambers 1970-5-9 17 Riverside Santa Rosa Mtns., State Hwy 74, c. 4 mi. west of Palm Desert. 457 Comment
  CAS-BOT-BC103904  Salix exigua Frank W. Peirson 1933-4-15 10650 Riverside Whitewater River, 4 1/2 miles above the bridge 701 Comment
  POM319274  Salix exigua Patricia Wilder 1971-3-20 4907 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  UC483070  Salix exigua F. R. Fosberg 1932-3-13 8083 Riverside upper palm grove along stream Thousand Palms Canyon; Coachella Valley, Thousand Palms Canyon Comment
  UCR94250  Salix exigua Scott D. White 1996-4-14 3927 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
  CAS-BOT-BC140663  Salix gooddingii A. C. Sanders; T. B. Salvato 2011-3-30 38889 Riverside Peninsular Range; Elsinore Trough: city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 Comment
  RSA33367  Salix gooddingii N. C. Cooper 1943-9-26 931 Riverside Cabazon. 549 Comment
  RSA4945  Salix gooddingii Carl B. Wolf 1932-4-28 3085 Riverside Overflow land back of Colorado River, about 800 m. from State Inspection Station, on way to Blythe Bridge. 90 Comment
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Mar 26 2011
  UCR231770  Salix gooddingii John F. Green 2008-4-21 02- 06 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and east of Alabaster Loop 450 Comment
  UCR241398  Salix laevigata T. B. Salvato 2013-3-22 7392 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), on Los Alamos Rd at its crossing of Warm Springs Creek 402 Comment
  UCR25939  Salix laevigata John C. Roos 1947-11-1 3758 Riverside Sonoran (Colorado) Desert, Eagle Mtns, Lost Palms Canyon 976 Comment
  SDSU12975  Salix lasiolepis Michael G. Simpson 1999-10-27 2042 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UCR5944  Salix lutea var. watsonii David T. Wright 1966-5-16 s.n. Riverside San Jacinto Mtns, Lake Fulmor, between road and lake Comment
  CAS-BOT-BC126316  Salix sessilifolia Mrs. H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  SD215602  Saltugilia australis Steve Boyd, Tim Ross, et al. 1999-4-2 4038 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along Highway 79. 487 Comment
  UCR103916  Saltugilia australis B. G. Pitzer 1997-4-11 3107 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  SEINET3859080  Saltugilia latimeri Leigh A. Johnson 1992-5-15 92- 021 -GH Riverside Pinyon Flats. Pinyon Drive, off of Hwy 74 past the Pinyon Flats Campground, after road turns left, 1/2 way between Palm Canyon Drive and Jeraboa Road. About 100-200 yards off the road on the N side around a rocky outcrop. Area under development and site may one day have a house on it.; 0 1261 Comment
  RSA525453  Salvia apiana Steve Boyd, Dave Bramlet 1990-4-29 4498 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  SD229199  Salvia apiana Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 897 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  RSA411372  Salvia carduacea Bonnie C. Templeton 1931-4-23 s.n. Riverside Between Perris and Gavilan Peak. 600 Comment
  RSA697876  Salvia carduacea Unspecified s.n. Riverside Elsinore. Comment
  RSA771675  Salvia columbariae Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4989 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
  SD38584  Salvia columbariae E. A. Purer 1935-4-21 6468 Riverside W edge of Colorado Desert Comment
  SEINET7072841  Salvia columbariae 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
  UCR226056  Salvia columbariae A. C. Sanders, Nathan Moorhatch 2011-3-22 38773 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  UCSB11998  Salvia columbariae Schevill, Peggy 1963-5-5 Riverside Joshua Tree Woodland; About 5 miles north by northwest; Pinyon Flats Campground; Calif Hwy 74 1021 Comment
  LA98415  Salvia dorrii L. Wester; 1970-4-18 11 Riverside Granite Mountains, Cottonwood Canyon Comment
  UCR279601  Salvia greatae A. C. Sanders, Jim Malusa 2017-3-28 43141 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
  UCR107389  Salvia mellifera B. G. Pitzer 1997-3-23 2970 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR260588  Salvia mellifera A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41557 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Canyon NW of Horsethief Canyon Rd. along DePalma Rd., SE of Glen Eden Rd. and south of the east end of Lee (Corona) Lake, south side of I-15 370 Comment
  JEPS62763  Salvia mohavensis Marjorie Clary 1931-11-29 652 Riverside Eagle Mountains Comment
  RSA125249  Salvia vaseyi E. K. Balls, P. C. Everett 1957-8-20 22670 Riverside 6.6 mi. sw. along State Hwy. 74 from Palm Village (jct. State Hwy. 111). 503 Comment
  RSA125462  Salvia vaseyi E. K. Balls, P. C. Everett 1957-8-20 22663 Riverside 7.5 mi. n. along rd. to 29 Palms [62] from jct. with U.S. Hwy. 60/70/99 381 Comment
  RSA24250  Salvia vaseyi Carl B. Wolf 1940-10-31 9762 Riverside Little San Bernardino Mts. Morongo Wash 6/10 mi. below San Bernardino Co. Line. 671 Comment
  RSA448915  Salvia vaseyi Gale Sphon 1955-5-22 s.n. Riverside 5 miles south of Pinon Flats, Palms to Pines Hiwy. [74]. 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
  UCR241207  Sambucus mexicana Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 05 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, just inside gate at mouth of Hathaway Canyon 741 Comment
  RSA0106414  Sambucus mexicana Alan Romspert 2000-7-28 s.n. Riverside Santa Ana Riverbed above Market St. Bridge. Comment
  RSA736255  Sanicula arguta Scott D. White, Justin Wood 2008-4-3 11793 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan property, Alberhill area. 274 Comment
  UCR92657  Sanicula arguta Scott D. White 1996-3-31 3867 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  RSA614418  Sanicula crassicaulis D. L. Banks 1997-3-16 1551 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  UC796594  Sanicula graveolens LeRoy Abrams 1901-6-15 1840 Riverside Santiago Peak Comment
  CLARK-A1528-1454  Sanicula tuberosa John C. Roos 1954-4-17 6068 Riverside Reche Canyon 670 Comment
  CLARK-A1528-1468  Sarcostemma cynanchoides John C. Roos 1940-8-20 906 Riverside Reche Canyon Comment
  UCR22018  Sarcostemma cynanchoides Steve Boyd 1980-9-16 353 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  UC1595752  Sarcostemma cynanchoides subsp. hartwegii W. Wisura, J. Dolan, and M. Wall 1992-3-24 4633 Riverside 13.1 mi. n.e. of Mecca (on Box Canyon Rd.) Comment
  UC23114  Sarcostemma cynanchoides subsp. hartwegii H. M. Hall 1899-8-10 1368 Riverside Riverside Comment
  CLARK-A1045-216  Sarcostemma hirtellum George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; dry wash; Lost Horse Mtn. 15'Q Comment
  JEPS27446  Sarcostemma hirtellum E. E. Schellenger April 1920 Riverside Chuckwalla Mts. Colorado Desert, Chuckwalla Mts. Comment
  UCR1225  Saxifraga californica Martha McCarthy 1960-3-27 s.n. Riverside Santa Ana, 1/2 mi west of Teneja Road, 12.0 mi from jct with Washington Ave, Murrieta Comment
  UCR29624  Saxifraga californica Don Emery 1983-3-25 s.n. Riverside Box Springs Mtns., E of Riverside. On the U.C. Reserve on the crest of the range, near the 'C'. 732 Comment
  RSA47452  Schedonorus arundinaceus J. C. Roos 1949-5-21 4317 Riverside Temecula. 304 Comment
  RSA784781  Schismus arabicus Duncan S. Bell 2012-3-18 3185 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  CHSC35471  Schismus barbatus James Henrickson 1973-3-18 8590 Riverside 16 (air) miles E of Temecula, 2.9 miles E of Aguanga along Hwy 71. 822 Comment
  UCR158724  Schismus barbatus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30030 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
  UCR162279  Schismus barbatus S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  RSA710173  Schoenoplectus acutus var. acutus A. C. Sanders 2004-5-12 27865 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  UCR264629  Schoenoplectus americanus Mitch Provance 2012-6-19 196- 07 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  RSA563903  Schoenoplectus glaucus A. C. Sanders 1993-4-5 13700 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
  UC2094  Scirpus cernuus A. J. McClatchie May, 1892 24 Riverside Elsinore Comment
  UCR57153  Scirpus cernuus Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns, S of town of Murrieta. Mouth of a small SW-draining channel on the SW side of Mesa de Burro Comment
  UCR107834  Scrophularia californica subsp. floribunda D. L. Banks 1997-5-5 1980 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  UCR130866  Scrophularia californica subsp. floribunda Mitch Provance 1998-6-10 634 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  RSA740937  Scutellaria bolanderi subsp. austromontana Scott D. White, Justin M. Wood 2008-7-9 12439 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  CAS-BOT-BC341108  Scutellaria mexicana Ivan Johnston 1917-4-4 1115 Riverside Palm Canyon Comment
  UCD125769  Scutellaria mexicana G. L. Webster; R. Hildreth 1966-12-9 7459 Riverside Joshua Tree National Monument, desert scrub around 1.5 miles north of Cottonwood Springs. 944 Comment
  UC1713631  Scutellaria siphocampyloides M. F. Spencer 1923-7-23 213 Riverside near desert; Southern California Comment
  RSA697610  Securinega fasciculata var. hallii J. R. Bruff 1928-4-2 168 Riverside Cottonwood Springs. Comment
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Oct 9 2010
  SEINET7048001  Selaginella asprella Steven R. Hill, Kate Kramer and family 2001-4-26 33465 Riverside San Jacinto Mountains, San Jacinto Wilderness, west of Palm Springs, trails south of visitor building at terminus of Palm Springs Aerial Tramway; vicinity of Long Meadow and higher ridges. Elevation about 8500 feet. Comment
  CAS-BOT-BC69802  Selaginella bigelovii L. R. Abrams 1926-3-25 11041 Riverside Between Banning and Cabazon. Comment
  RSA339674  Selaginella bigelovii Robert F. Thorne, W. A. Tilforth 1980-5-28 54219 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  SDSU7434  Selaginella bigelovii James C. Dice, T. Chung 1987-10-19 Riverside North side of Temecula Gorge, ca. 0.4 km ENE of Field Station site (just SE of Weather Station), overlooking Santa Margarita River. T8S, R3W, NW 1/4 of NW 1/4 of section 26. 99 Comment
  CAS-BOT-BC69810  Selaginella bigelovii Lewis S. Rose 1959-1-14 59014 Riverside White Water. 426 Comment
  CAS-BOT-BC62094  Selaginella eremophila Robert T. Clausen; Harold Trapido June 18 4678 Riverside Salton Sea Basin, mouth of Chino Canyon, San Jacinto Mts., near Palm Springs 457 Comment
  RSA85943  Selaginella eremophila Frank W. Peirson 1920-12-28 s.n. Riverside Murray Canyon, near Palm Springs 304 Comment
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May 4 2007
  UC218678  Selaginella eremophila P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4865 Riverside vicinity of Corn Springs; Colorado Desert, Chuckwalla Mts. 762 Comment
  CAS-BOT-BC363483  Senecio californicus C. L. Hitchcock 1966-3-16 24187 Riverside Hills about 5 miles n.e. of Aguanga Comment
  RSA94668  Senecio douglasii var. monoensis F. W. Peirson 1928-4-23 7890 Riverside 2.5 miles below Cottonwood Spring, northern Colorado Desert Comment
  RSA335026  Senecio flaccidus var. douglasii Steve Boyd 1985-8-7 1113 Riverside Clinton Keith Road, 1.7 mi. E of gate to The Nature Conservancy Preserve. Comment
  UC1543104  Senecio flaccidus var. douglasii Donald G. Nelson 1936-5-22 385 Riverside near base Santa Rosa Mountains (Ribbon Wood Camp, Pines to Palms Highway; on trail down to stream in Palm Springs Canyon); Palm Springs Canyon Comment
  UCR235081  Senecio flaccidus var. douglasii A. C. Sanders, John F. Green 2012-6-1 40232 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, south of I-15 between Horsethief Cyn. Rd. and Hostettler Rd. 368 Comment
  SD229144  Senegalia greggii Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 899 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  POM11977  Senna covesii E. C. Jaeger 1921-03 s.n. Riverside Martinez Canyon., [I think Martinez Cyn. should be either in the San Jacinto Mtns. region or in the western Colo Des region -- the Martinez Cyn I know of is in the Santa Rosa Mtns. -SDW 2004] Comment
  SEINET238485 Image available Sesuvium verrucosum A. C. Sanders, D. Bramlet; Mihai Costea T. Salvato 1999-1 23186 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake 1 mile W of Jackrabbit Trail on Gilman Springs Rd. 0.4 mi. W of Quail L 436 Comment
  SD141103  Sibaropsis hammittii Steve Boyd, Tim Ross 1992-3-31 6771 Riverside Santa Ana Mountains. 1010 Comment
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Apr 9 2008
  RSA613456  Sidalcea malviflora D. L. Banks, Victor W. Steinmann 1997-3-13 1436 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  CAS-BOT-BC109425  Sidotheca emarginata Philip A. Munz 1937-5-30 15081 Riverside Northwest slope of Santa Rosa Mountains. 2133 Comment
  UC217959  Silene antirrhina P. A. Munz and I. M. Johnston 1922-5-19 5357 Riverside 5 mi ne Murietta; ne of Murietta 457 Comment
  UCR77758  Silene antirrhina Steve Boyd, D. E. Bramlet 1991-5-13 6249 Riverside Domenigoni Hills, north side Domenigoni/Diamond Valley, ESE of Winchester. Vicinity of ultramafic outcrop on ridgetop south of S-end of Warren Rd. 610 Comment
  CAS-BOT-BC389579  Silene parishii H. M. Hall 1901-7-1 2549 Riverside San Jacinto Mountains. Fuller's Mills Mountains 2194 Comment
  RSA249837  Silene verecunda subsp. platyota R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38101 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon 1677 Comment
  JOTR30107  Simmondsia chinensis La Doux, Tasha, Bill Truesdell 2008-3-18 1672 Riverside Joshua Tree National Park. Stop 2 = Rattlesnake Cayon Wash near bouldery outcrops 892 Comment
  RSA421793  Simmondsia chinensis L. E. Hoffman 1932-10-26 17235 Riverside Pinon Flats, San Jacinto Mtns. Comment
  RSA586124  Sisymbrium altissimum D. L. Banks 1995-4-11 163 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, along the Dripping Springs Trail. 646 Comment
  SD227774  Sisymbrium erysimoides A. C. Sanders 1994-5-15 14478 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the east bank of the Santa Ana River. 399 Comment
  RSA431737  Sisymbrium irio E. A. McGregor 1964-6-10 s.n. Riverside On Highway 74, west of Elsinor. 914 Comment