Search Results — 2000 specimen records retrieved (1882 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SDSU1525  Abies concolor Charles F. Phleger 1962-5-13 13 V62 Riverside Collected on road just north of Huffman acreage, 5 miles north of Idyllwild. Comment
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Oct 5 2011
  SEINET13289891 Image available Abies concolor S. R. Hill, Kramer, K. 2001-1 33472 Riverside San Jacinto Wilderness, west of Palm Springs, trails at terminus of Palm Springs Aerial Tramway Comment
  RSA0009280  Abronia pogonantha Duncan S. Bell 2012-9-13 4178 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  HSC25081  Abronia villosa Richard Spjut 1972-2-7 2177 Riverside Riverside/San Bernardino Cos., Colorado Desert, 4-10 mi. W of Rice along Hwy. from Rice to 29 Palms Hwy. or to Desert Center, N end of the Maria Sand Dunes 305 Comment
  SBBG69817  Abronia villosa M. N. Ackley 1928-3-31 714 Riverside Hidden Spring 304 Comment
  UCR130712  Abronia villosa var. aurita George K. Helmkamp, E. A. Helmkamp 1998-6-27 4078 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  UCR248475  Abronia villosa var. aurita Duncan S. Bell 2012-3-8 3154 Riverside Mojave Desert, Southern section of the Mecca Hills, c. 2.5 air miles southeast of where the Coachella Canal and Hidden Springs Canyon cross each other 37 Comment
  JOTR29583  Abronia villosa var. villosa Andre, Jim 2006-4-6 6715 Riverside Joshua Tree National Park. Along Desert Queen Mine Rd 1362 Comment
  RSA760970  Abronia villosa var. villosa Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 155 Riverside N of I-10. Approx. 1.5 miles up Corn Springs Rd. 213 Comment
  JEPS12544  Acamptopappus sphaerocephalus var. sphaerocephalus W. L. Jepson 1927-4-12 11658 Riverside east (at Whitewater) San Gorgonio Pass; Whitewater 423 Comment
  UC1329822  Acamptopappus sphaerocephalus var. sphaerocephalus James E. Cole 1941-5-21 761 Riverside (Cottonwood Road) Dale; Joshua Tree National Monument 914 Comment
  RSA0065641  Achnatherum hymenoides Cheryl Sevilla, Sarah J. De Groot 2015-3-17 35 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; in the Whitewater river drainage 0.38 air miles northwest of the Whitewater Preserve Ranger Station. 687 Comment
  SBBG57049  Achnatherum occidentale subsp. occidentale R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2438 Comment
  RSA27234  Achnatherum speciosum C. L. Hitchcock 1940-4-12 6046 Riverside 8 mi. northwest of Elsinore 457 Comment
  CAS-BOT-BC384724  Achyronychia cooperi Geo. B. Grant 1906-5-1 11 -6707 Riverside Collected on Colorado Desert at Palm Springs Comment
  RSA782193  Achyronychia cooperi Duncan S. Bell 2011-10-22 2980 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  SD224961  Acmispon argophyllus G. K. Helmkamp 1998-4-3 3069 Riverside Whitewater River, bordering the N side of Hwy I-10; E side of the river. 395 Comment
  LA48109  Acmispon heermannii Elizabeth McClintock; 1938-7-17 sn Riverside San Jacinto Mountains, near Pine Cove 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
  SBBG3387  Acmispon heermannii var. heermannii H. and M. Dearing 1940-6-9 4367 Riverside Pines to Palms Hwy, W of Ribbonwood Comment
  UCSB15357  Acmispon rigidus 1962-3-11 Riverside 8.0 miles southwest of Palm Desert of California State Highway 74 640 Comment
  SD248413  Acmispon strigosus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41422 Riverside San Gorgonio Pass: San Gorgonio River wash, ca. 3.7 miles east of Cabazon, ca. 1.25 mile NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms. 427 Comment
  UCSB46690  Acmispon strigosus Reed, Susan 1977-5-30 Riverside University of California James Reserve 1828 Comment
  SEINET7856488  Acmispon strigosus var. strigosus M. F. Barrus 1919-11-3 3 Riverside Riverside, Citrus Experiment Station farm. Comment
  UCR202421  Acourtia microcephala Mike Misenhelter 1998-6-23 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  UCR214316  Adenostoma fasciculatum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38391 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
  RSA526141  Adenostoma fasciculatum var. fasciculatum Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4583 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  RSA453184  Adenostoma sparsifolium H. de Forest 1932-8-24 s.n. Riverside West side of San Jacinto Valley. Comment
  SD232791  Adenostoma sparsifolium Scott D. White 1996-8-1 4456 Riverside Twin Pines Area: Just N of Twin Pines Rd, ca. 1/2 air mile west of Twin Pines Ranch. 1100 Comment
  RSA33825  Adiantum capillus-veneris Norman C. Cooper 1944-4-8 1090 Riverside San Bernardino National Forest, San Jacinto Mountains: Andreas Canyon (near Palm Springs) 457 Comment
  UCD137234  Adiantum jordanii Scott D. White; Dave Bramlet 22-23 Apr 1999 7230 Riverside Lake Skinner Area, ridgetop, north-, west-, and northwest facing slopes of Bachelor Mountain. 548 Comment
  CAS-BOT-BC101828  Agave deserti C. B. Wolf; P. C. Everett 1939-9-29 9455 Riverside Desert slopes of San Jacinto Range, Deep Canyon on Palms to Pines Road, 2 7/10 mi. below road to Dos Palmos Spring 274 Comment
  RSA0042762  Agave deserti var. deserti Keith E. Hoffmaster 1937-6-6 811 Riverside Palms to Pines Road, San Jacinto Mts. Comment
  RSA192013  Agoseris heterophylla var. heterophylla E. W. Lathrop 1966-5-8 6267 Riverside 5 miles west of Murrieta. Comment
  UCR240630  Agoseris retrorsa Tracy Tennant, Mitch Provance 1998-6-16 MOR- 401 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  SEINET14046490  Agrostis pallens S. D. White, M. Honer, D. Hannon 2003-6-24 9586 Riverside Near Rainbow Valley; mountains W of I-15 freeway and immediately N of San Diego Co. border. 335 Comment
  SEINET10467712  Agrostis scabra var. geminata David B. Dunn 1946-8-17 Dunn 2720 Riverside Round meadow dry hillside among lodge pole pines. San jacinto mts. Comment
  RSA462622  Allionia incarnata Albert J. Perkins 1916-4-15 s.n. Riverside Palm Springs. Comment
  SEINET3092215 Image available Allionia incarnata Barbara Gayle Pitzer 1998-2-1 3437 Riverside Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed. 427 Comment
  UCR144755  Allionia incarnata Scott D. White, Michael Honer 2003-5-14 9302 Riverside Sonoran (Colorado) Desert, bajada at foothills of Little Maria Mtns, c. 20 air miles NW of Blythe, near Standard (='Superior') Gypsum Mine 122 Comment
  SEINET11941862  Allionia incarnata M. T. Doutt 1931-1 779 Riverside Chino Canyon, Palm Springs Comment
  JOTR33711  Allionia incarnata var. incarnata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1001 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
  CAS-BOT-BC464446  Allium burlewii S. B. Parish; W. F. Parish 1880-6-1 587 Riverside San Jacinto Comment
  RSA652062  Allium fimbriatum var. fimbriatum Harold Lint 1958-5-25 2041 Riverside East of Pinyon flats campground. Pines to Palms Hwy [Hwy 74]. Comment
  SEINET3884492  Allium fimbriatum var. parryi D. W. McNeal 1981-5-20 2545 Riverside In open flats beside Morris Ranch Rd., 2.2 mi. e. of Hwy. #74 at Kenworthy R.S., San Bernadino Nat. For.; 0 Comment
  HSC85274  Allium haematochiton Steve Boyd 1986-4-22 1780 Riverside Gavilan Hills, Summit of Estelle Mountain. 841 Comment
  RSA366463  Allium haematochiton M. B. Dunkle 1935-3-10 4360 Riverside Glen Ivy. Comment
  RSA395911  Allium haematochiton Steve Boyd 1986-4-22 1769 Riverside Temescal Canyon: Terrace escarpment E side of Indian Wash, S of I-15. Comment
  UCR280991  Allium haematochiton Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 85 Riverside Elsinore Trough, S end of Baker St., east side of intersection with Bunker St. 387 Comment
  RSA770515  Allium munzii S. Mashayekhi, Steve Boyd, M. Biabani 2008-4-15 SM 013 Riverside South of Idaleona Road, south of Harford Springs Co. Park 640 Comment
  UCR142192  Allium munzii June Latting 1979-5-4 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 Comment
  POM184740  Allium parishii C. L. Hitchcock 1932-4-9 12226 Riverside White Tanks, Joshua Tree National Monument, East Riverside Comment
  UC3117  Allium praecox Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UCR129910  Allium praecox Mrs. C. M. Wilder 1905-1 s.n. Riverside Riverside 915 Comment
  UCR275933  Allophyllum divaricatum T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3784 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  POM13056  Allophyllum violaceum E. C. Jaeger 1921-6-20 s.n. Riverside Tahquitz Valley, San Jacinto Mts. Comment
  UCR227804  Allophyllum violaceum Duncan S. Bell, Ryan Parker 2010-6-1 1230 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 1.1 air miles southeast of the junction of Hwy 74 and Forest Service Road 5S15 771 Comment
  LA106011  Alnus rhombifolia A. C. Sanders; E. J. Lawlor 1988-10-22 8726 Riverside Santa Rosa Mountains, Pinyon Flats area, along Horsethief Creek where the trail from the Dolomite Mine crosses 1100.0 Comment
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Mar 31 2014
  CAS-BOT-BC137954  Alopecurus saccatus Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37442 Riverside Santa Rosa Plateau. Mesa de Colorado. 670 Comment
  CLARK-A1528-1056  Alternanthera repens Oscar F. Clarke 1964-6-20 525 Riverside Riverside Comment
  JOTR35164  Amaranthus albus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3270 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  RSA574564  Amaranthus blitoides Steve Boyd 1985-7-23 1009 Riverside De Luz Rd., 7 mi. west of Rancho California. 366 Comment
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Apr 24 2013
  UCR100130  Amaranthus fimbriatus B. G. Pitzer 1997-10-19 3354 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
  CAS-BOT-BC226254  Amaranthus palmeri A. C. Sanders 2011-9-15 39896 Riverside Sonoran (Colorado) Desert: Coachella Valley, agricultural area in Thermal; Colorama greenhouses/nursery at 83300 Ave. 58, 0.35 mi. east of Jackson St. near Calhoun St. -24 Comment
  JEPS123814  Amaranthus torreyi J. Andre, T. La Doux 2008-9-16 10686 Riverside Joshua Tree National Park: JTNP: along Bell Mountain Road, atop Bell Mountain approx. 0.3 mi N of radio tower. Queen Mountain USGS 7.5' Quad. Comment
  CDA9960  Ambrosia acanthicarpa G. C. Fleischman 1945-10-21 Riverside Highway, Beaumont / Sunnymead. 0 Comment
  RSA32428  Ambrosia acanthicarpa N. C. Cooper 1943-9-10 916 Riverside Banning. 610 Comment
  RSA735398  Ambrosia dumosa Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11224 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UC912554  Ambrosia dumosa H. L. Mason 1928-3-10 4217 Riverside Hidden Springs Canyon; Coachella Mts. Comment
  UCR238482  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 168 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
  CAS-BOT-BC55618  Ambrosia psilostachya H. M. Hall 1901-8-1 s.n. Riverside Vicinity of Riverside 304 Comment
  CAS-BOT-BC273000  Ambrosia salsola Cecil Hart 1927-3-30 s.n. Riverside Moronga Valley near Whitewater Comment
  CAS-BOT-BC273002  Ambrosia salsola Aven Nelson; Ruth Nelson 1939-3-24 3247 Riverside Lower part of Palm Canyon Comment
  LA36849  Ambrosia salsola LeRoy Abrams; 1941-4-24 13935 Riverside San Jacinto Mountains, San Gorgonio Pass, near Cabazon Comment
  SEINET2030196 Image available Ambrosia salsola Ynez Whilton Winblad 1937-3-21 s.n. Riverside Coachella Valley Comment
  UCSB24500  Ambrosia salsola var. salsola McMinn, Howard 1935-6-27 Riverside Palm Canyon Region Comment
  RSA527870  Amelanchier pallida Scott D. White 1991-5-24 91 -73 Riverside San Jacinto Mtns region: Big Bear area E of Sugarloaf and W of Hwy 38, S of Hwy 18 and Baldwin Lake. 2073 Comment
  UCR189542  Ammannia coccinea Fred M. Roberts, S. Leatherman 2007-9-19 6579 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  RSA415299  Amorpha fruticosa A. Menke 1955-5-22 s.n Riverside Chino Canyon, Palm Springs. Comment
  JEPS61150  Amsinckia intermedia Marjorie D. Clary 1933-3-26 2076 Riverside near foot of Santa Rosa Mountains (w side Colorado Desert, Ebbons Creek Wash); Colorado Desert, Santa Rosa Mountains 274 Comment
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Oct 30 2011
  SBBG120001  Amsinckia intermedia A. C. Sanders with K. Volansky 2005-3-17 29237 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  SD239634  Amsinckia intermedia A. C. Sanders, T. B. Salvato 2011-3-28 38808 Riverside Peninsular Rangte: Perris-Aguanga Basin Region: Menifee Valley between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-125 Fwy (Romoland 7.5'Q) 433 Comment
  UC1212043  Amsinckia intermedia Peter H. Raven 1959-4-23 14015 Riverside 1.3 mi e Dripping Springs Comment
  UCR37793  Amsinckia intermedia A. C. Sanders 1985-3-1 5389 Riverside Box Springs Canyon, near the intersection of Central Ave. & Hwy 60, along Gernert Rd. Just above the Santa Fe Railroad tracks. 427 Comment
  CLARK-A1528-325  Amsinckia menziesii Penny Stead 1970-4-14 Riverside Riverside 274 Comment
  HSC94251  Amsinckia menziesii D. Atwood 1993-3-26 17686 Riverside 6 mi. NE of San Juan Capistrana along Hwy. 74 Comment
Read comments
Jun 3 2012
  SEINET7907888  Amsinckia menziesii D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd, between Perris & Lake Elsinore 488 Comment
  RSA0089921  Amsinckia menziesii var. menziesii D. L. Banks, Victor Steinmann 1997-3-13 1417 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
  SDSU18985  Amsinckia menziesii var. menziesii C. Matt Guilliams, Jeannine Ross 2008-3-12 522 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Collections near the Dudleya multicaulis restoration site. 388 Comment
  UCR95231  Amsinckia menziesii var. menziesii D. L. Banks, Dylan Hannon 1996-5-3 0988 Riverside NW Palomar Mtns, Agua Tibia Mtns; Foothills south of Hwy 79; east of the Dripping Spring Campground; c. 300 m east of the Dripping Springs Guard Station 488 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
  UCR228852  Amsinckia retrorsa A. C. Sanders, T. B. Salvato 2011-3-28 38825 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 Comment
  JEPS61175  Amsinckia tessellata var. tessellata W. L. Jepson 1928-4-25 12619 Riverside Cottonwood Spring; Colorado Desert, Eagle Mountains 731 Comment
  JOTR01144  Amsonia tomentosa Cole, James E. 1941-5-14 703 Riverside Joshua Tree National Park. QUEEN VALLEY 1280 Comment
  RSA586498  Ancistrocarphus filagineus Darin L. Banks, Steve Boyd 1995-5-9 0329 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
  SD123833  Andropogon glomeratus var. scabriglumis Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55407 Riverside San Bernardino Mountains, along roadside at seep, about 3.2 miles north of Whitewater Post Office. 594 Comment
  UCR4532  Anemopsis californica John Dean 1965-5-26 s.n. Riverside Peninsular Range, At ranch headquarters on road [R3] half way between Temecula Road [Hwy 79] and Sage 305 Comment
  POM12971  Anisocoma acaulis Philip A. Munz, I. M. Munz 1922-5-19 5418 Riverside Hemet Valley, San Jacinto Mts. on Garner Ranch 1387 Comment
  RSA735853  Anthemis cotula Scott D. White, Justin M. Wood 2008-4-15 11876 Riverside Perris Valley: Interstate 215, between Nuevo Rd and Scott Rd. 427 Comment
  UCR174177  Antirrhinum coulterianum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32596 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
  UCR178334  Antirrhinum coulterianum Jeffrey Ross, Tracy Tennant 1998-8-20 MOR- 701 Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Hathaway Canyon, tree stand H-03 976 Comment
  UCR233157A  Antirrhinum filipes Jim Andre, Glenn L. Clifton 2011-2-22 17455 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  RSA496360  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3034 Riverside Vail Lake area, 0.5 mi WNW of dam, clay soil deposits on dissected bench, S flank Oak Mountain. 488 Comment
  RSA501011  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3130 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  UCR187495  Apiastrum angustifolium Theresa Johnson 2006-5-23 125 Riverside Peninsular Range, Oak Mountain, 1.5 mi. NNW of Vail Lake dam Comment
  SEINET3080987 Image available Apium graveolens Michael DeJong 1971-5-2 Riverside Found between West end of lake in Fairmont Park and the Santa Ana River bottom Comment
  RSA263646  Apium graveolens E. W. Lathrop 1966-5-8 6511 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  POM184735  Arabis glaucovalvula P. A. Munz, C. L. Hitchcock 1932-4-9 12231 Riverside open flats, White Tanks, eastern Riverside. Comment
  UCR193569  Arabis sparsiflora A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35611 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mile SW of Fleming Ranch, along dirt track 1555 Comment
  UCR273496  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42620 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Calle Viento (thin dirt road) south of Avenida Presa, 0.5 km south of Rancho California Rd. 656 Comment
  UCR68948  Arctostaphylos glandulosa subsp. cushingiana Steve Boyd, T. S. Ross 1990-5-11 4696 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  CAS-BOT-BC23117  Arctostaphylos glandulosa subsp. glandulosa Walter Knight; Irja Knight 1985-4-3 6063 Riverside Between Idylwild and Banning on Hwy 243 btween Vista Grande forest station and Hurley Flats road. 1463 Comment
  SDSU17429  Arctostaphylos glandulosa subsp. glandulosa C. Matt Guilliams 2007-8-2 395 Riverside Santa Margarita Ecological Reserve, east of 'Highlands Trail' on mesa top near weather station. Among boulders, exposed, 0 slope. 639 Comment
  RSA629387  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-4-17 15088 Riverside End of Woodchuck Rd., Woodchuck Resort. 2 km south of Hwy 79 (Vail Lake Quadrangle) 204 Comment
  RSA629448  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-17 16775 Riverside Road to Thomas Mountain (%S15), 4 km N of Toolbox Springs 1930 Comment
  RSA1555  Arctostaphylos glandulosa subsp. zacaensis J. T. Howell 1928-7-8 1053 Riverside Santa Ana Mountains above Glen Ivy 1524 Comment
  CAS-BOT-BC24674  Arctostaphylos glauca C. B. Wolf 1932-5-25 3695 Riverside 0.5 mi. sw. of summit of Moreno Grade, Bad Lands, sw. of Beaumont. 609 Comment
  RSA631763  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15074 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631820  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21810 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  RSA632653  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16539 Riverside Red Mtn. Rd., 6-6.8 km east of R3. Comment
  UC1929341  Arctostaphylos glauca Scott D. White, Angelia Carey 2004-7-2 10584 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. Comment
  UCR48503  Arctostaphylos glauca Steve Boyd 1986-4-19 1704 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  RSA633528  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20150 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633587  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22509 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633706  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16670 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633765  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16650 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  UC21884  Arctostaphylos patula H. M. Hall 1901-6 2312 Riverside near Tahquitz; San Jacinto Mountains 2286 Comment
  RSA635637  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1978-9-16 7258 Riverside South of Twin Pines Ranch Rd. 1275 Comment
  SBBG59985  Arctostaphylos pringlei subsp. drupacea R. Hoffmann 1929-9-6 Riverside slope of Tahquitz Comment
  RSA635795  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16590 Riverside Standley Rd., south of Red Mtn. Rd., 8.5 km east of R3. 900 Comment
  RSA635993  Arctostaphylos rainbowensis Jon E. Keeley 1992-9-26 21611 Riverside W of Hwy 15, 1.5 km S of Temecula. 430 Comment
  UCR68857  Arenaria douglasii Steve Boyd, T. S. Ross 1990-5-11 4646 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  UCSB44665  Argemone corymbosa Hibbard, Doug 1977-5-15 Riverside Off west side of Hwy 74, 8.45 miles from its intersection with Hwy 111 679 Comment
  UC1040944  Argemone munita Gerald B. Ownbey and Findley Ownbey 1954-8-7 2178 b Riverside 13.2 mi se of Idyllwild (Hemet Valley); Hemet Valley 1371 Comment
  UCR3307  Argemone munita John Kitasako 1964-5-10 45267 Riverside San Jacinto Mtns., State Hwy 74, 4.5 mi east of Hemet 640 Comment
  RSA339663  Argythamnia serrata C. W. Tilforth 1980-5-28 54166 Riverside San Bernardino Mountains: Dry Colorado Desert slopes, S-facing and W-facing, N0S rocky rifge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 mile E of Whitewater Post Office. On rocky ridge at S end. Comment
  HSC25955  Arida carnosa Richard Spjut 1972-1-6 2111 Riverside Colorado Desert; ca. 2 miles N. of Palm Springs on Indian Ave. Comment
  RSA778404  Aristida adscensionis Stephanie Rockwood, Christi Gabriel 2011-10-5 63 Riverside Ship Creek. Corn Springs Rd Exit from I10. Take Chuckwalla Valley Rd to Dupont Rd. Follow approximately 5 miles. Chuckwalla Mountains Wilderness Area. 341 Comment
  UCD56398  Aristida adscensionis W. L. Jepson 1928-4-25 12585 Riverside Colorado Desert, Cottonwood Springs. 731 Comment
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Oct 9 2010
  UCR260219  Aristida adscensionis A. C. Sanders, Jim Malusa 2015-3-10 41379 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  SEINET5336075  Aristida californica H. M. Hall 1905-5-1 5963 Riverside Lower Sonoran Zone, Canons along Colorado River Comment
  JOTR38425  Aristida purpurea var. nealleyi Hodges, Stephen, A. Ingersoll 2015-8-26 653 Riverside Joshua Tree National Park. Queen Mountains, Wonderland of Rocks, Barker Dam. Comment
  RSA129291  Aristida purpurea var. nealleyi H. S. Yates 1937-6-27 6723 Riverside Head of Deep Canyon. 1220 Comment
  UCD56874  Aristida ternipes var. gentilis H. S. Yates 1937-6-27 6709 Riverside lower San Jacinto River Canyon. 640 Comment
  IRVC474  Artemisia californica R. H. Whittaker, W. A. Niering 1963-5-29 SJ 60 61 Riverside San Jacinto Mtns: San Jacinto Valley 564 Comment
  RSA388061  Artemisia californica Steve Boyd 1985-12-24 1194 Riverside Gavilan Hills, Hartford Springs County Park, at south end of park. Comment
  UCR178320  Artemisia californica T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 620 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  UCR106909  Artemisia douglasiana D. L. Banks, L. Raz 1996-11-5 1166 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, ESE of San Gabriel Church; along floodplain of the southern fork of Pechanga Creek. 415 Comment
  UCR277728  Artemisia douglasiana Mitch Provance 2012-10-15 1012- 07 Riverside Badlands of Western Riverside County, San Timoteo Creek, about 3.5 miles west of Beaumont, N side of Hwy. 60 1479 Comment
  UCR94945  Artemisia douglasiana Scott D. White 1996-9-22 4529 Riverside Perris Basin, Lakeview Mtns: north of Homeland, along Juniper Flats Road, c. 1.2 road miles north of intersection with State Hwy 74, unnamed drainage channel parallel to the road 500 Comment
  IRVC493  Artemisia dracunculus R. H. Whittaker, W. A. Niering 1963-6-11 SJ 391 Riverside Summit Toro Peninsular Ranges, Santa Rosa Mountains 2652 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
  UC1929757  Artemisia ludoviciana subsp. incompta Scott D. White 2003-10-9 9824 Riverside San Jacinto Mountains: Pine Cove area. Dutch Flat. San Jacinto Peak 7.5' Quad. Comment
  SEINET2044543 Image available Artemisia ludoviciana subsp. redolens Dave Charlton 1986-12-26 652 Riverside Coxcomb Range at E end of Joshua Tree National Monument, northernmost West facing large canyon in the range, just north of Specter Peak. 915 Comment
  RSA650423  Artemisia tridentata R. Garner 1947-7-1 s.n. Riverside San Jacinto Mts. Comment
  SD229068  Artemisia tridentata Dick Schwenkmeyer 2012-3-26 677 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  SD43533  Artemisia tridentata subsp. tridentata Philip A. Munz 1946-10-19 11565 a Riverside Coahuila 1095 Comment
  PASA1941  Asclepias albicans 4/28 Riverside Hidden Springs Comment
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Aug 27 2016
  SEINET12532072 Image available Asclepias albicans T. C. Aramqula 1966-1 122 Riverside Base of Santo Rosa mountains on Palms to Pines HWY, 5 mi. South of Palm Desert Comment
  SD122939  Asclepias fascicularis Steve Boyd 1985-8-7 1102 Riverside Santa Rosa Plateau, Northwest base of Redonda Mesa on Tenaja Road, 0.8 miles east of junction with 8SO1 and 8SO2 Comment
  UCR77565  Aspidotis californica Steve Boyd, T. S. Ross, O. Mistretta 1992-2-2 6637 Riverside Santa Ana Mtns, Cleveland National Forest. Upper San Mateo Canyon between the confluence of Tenaja Canyon and Los Alamos Canyon 427 Comment
  GMDRC5834  Astragalus aridus J. M. Andre 2013-3-27 24804 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 242 Comment
  UCR116420  Astragalus coccineus A. C. Sanders 1974-1 00308 Riverside Santa Rosa Mtns., south of Hwy 74 near Pinyon Flats, along the Cactus Spring Trail between the dolomite mine and Horsethief Creek 1220 Comment
  POM13916  Astragalus crotalariae P. A. Munz, D. D. Keck 1922-4-8 4743 Riverside 1/2 miles east of Indio. -15 Comment
  POM13574  Astragalus douglasii var. parishii P. A. Munz 1922-4-29 5114 Riverside Aguanga Comment
  RSA415490  Astragalus douglasii var. parishii M. B. Dunkle 1933-7-20 s.n Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UC862990  Astragalus douglasii var. parishii Carl B. Wolf 1932-8-4 3923 Riverside on road to Banning 1 1/2 mi from Idyllwild (Strawberry Valley, San Jacinto Mts.); San Jacinto Mts., Strawberry Valley, 1 1/2 mi fr Idyllwild 1706 Comment
  RSA500098  Astragalus gambelianus Steve Boyd 1989-4-2 3212 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  UCR120796  Astragalus gambelianus Ian G. Gillespie 2000-4-26 27 Riverside Perris-Aguanga Basin, S side of Paloma Valley. Hilltop at S end of Lindenberger Road, SW of the intersection of Scott Road and Briggs Road 473 Comment
  SEINET13752407  Astragalus insularis var. harwoodii Heather Breakiron 2017-3-23 3 Riverside 11 miles southwest of Blythe, CA along dirt powerline road Comment
  UCR214866  Astragalus insularis var. harwoodii A. C. Sanders 2010-3-15 37392 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
  SBBG3166  Astragalus lentiginosus var. borreganus H. and M. Dearing 1937-4-10 861 Riverside 16 mi N of Indio Comment
  UCR16257  Astragalus lentiginosus var. coachellae Linda Stangor 1974-4-18 s.n. Riverside Sonoran (Colorado) Desert, Windy Point, south side of point, Coachella Valley 320 Comment
  UC862841  Astragalus lentiginosus var. variabilis C. L. Hitchcock 1940-4-4 5958 Riverside Pinto Basin Pinto Basin (sandy wash) Comment
  JEPS44369  Astragalus leucolobus Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4256 Riverside just below Toro Peak ((i.e. s of the saddle e of the peak), Santa Rosa Mts., <ca. 20 mi due w of n end of Salton Sea>); Santa Rosa Mts., , s of saddle e of peak 2499 Comment
  JEPS54817  Astragalus pachypus var. jaegeri Frank W. Peirson 1928-3-24 Riverside Temecula River Road s Dripping Spring; Temecula River Road s of Dripping Spring 457 Comment
  POM24215  Astragalus pachypus var. jaegeri S. B. Parish 1880-06 1134 Riverside 5 miles south of Temecula Comment
  RSA613644  Astragalus pachypus var. jaegeri D. L. Banks, Victor W. Steinmann 1997-3-13 1475 Riverside Agua Tibia Mountains: Vail Lake area, north and just S 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
  UCR101919  Astragalus pachypus var. jaegeri R. S. Woglum 1941-5-17 3053 Riverside Peninsular Ranges/Sonoran (Colorado) Desert Transition:, Horse Canyon, off Coyote Canyon Comment
  RSA90750  Astragalus pachypus var. jaegeri F. W. Peirson 1920-6-23 2205 Riverside Aguanga 609 Comment
  CAS-BOT-BC192761  Astragalus palmeri Lewis S. Rose 1935-12-23 35700 Riverside San Jacinto Mts. 22 mi. S. of Cathedral City 914 Comment
  POM26519  Astragalus palmeri H. M. Hall 1902-04 2773 Riverside Coyote Canyon 305 Comment
  SEINET2060247 Image available Astragalus palmeri P. J. Leary 1975-4-10 1048 Riverside Near Skull Rock, Joshua Tree National Monument 1341 Comment
  RSA0025522  Astragalus palmeri John F. Emmel 1986-4-12 997 Riverside Little San Bernardino Mtns: upper Berdoo Canyon. Locality also includes Quarter S 1/2. Section 31, Township 3S, Range 9E. 1372 Comment
  RSA415656  Astragalus pomonensis T. W. Minthorn 1926-5-13 s.n Riverside Elsinore. Comment
  RSA498264  Astragalus pomonensis B. C. Templeton 1931-4-23 19212 Riverside Between Perris and Gavilan Peak. Comment
  UCR127359  Astragalus pomonensis A. C. Sanders, D. Malueg 2003-5-8 26566 Riverside Perris-Aguanga Basin region, Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek 396 Comment
  UC472700  Astragalus sabulonum M. F. Spencer 1922-3-24 Riverside Mecca , Mecca (Colorado Desert) -106 Comment
  PASA2748  Astragalus tricarinatus Marcus E. Jones 1929-3-19 8640 Riverside Whitewater, Colorado Desert Comment
  UCSB3025  Astragalus tricarinatus Walker, Clifford 1954-4-10 Riverside East slope of Arroyo near head of White Water Canyon Comment
  UC218672  Athyrium filix-femina var. cyclosorum P. A. Munz 1922-7-6 6030 Riverside n fork of Tahquitz Creek; San Jacinto Mts 2225 Comment
  CAS-BOT-BC17418  Athysanus pusillus H. M. Hall 1897-2-27 367 Riverside Rawson. 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
  RSA444558  Atrichoseris platyphylla Walter Wisura 1988-3-13 4203 Riverside Box Canyon Comment
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Nov 3 2011
  UCR75050  Atrichoseris platyphylla A. C. Sanders, E. Lawlor 1992-4-4 12105 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR159815  Atriplex Mark A. Elvin 2005-5-24 4317 Riverside Southern Coastal Slope; Perris Basin, Perris, east of I-215, south of San Jacinto River, NW corner of junction of Ellis Ave and first road east of I-215 427 Comment
  RSA3322  Atriplex canescens C. B. Wolf 1931-10-14 s.n. Riverside Cabezon, San Gorgonio pass. Comment
  SD143554  Atriplex canescens R. D. Goeden, D. W. Ricker 1978-11-16 Riverside Coachella Valley: Indio, Monroe St. 6 Comment
  SD154848  Atriplex canescens E. K. Balls, P. C. Everett 1957-11-6 22790 Riverside 0.5 miles north of the junction of Hwy 79 & the road to Coahuila, in sun on open sandy hills 655 Comment
  UC472155  Atriplex canescens J. Ewan 1931-10-3 5227 Riverside Mockingbird Canyon near Arlington; Mockingbird Canyon near Arlington Comment
  UCR33640  Atriplex canescens Sears 1978-4-12 1180 b Riverside Sonoran (Colorado) Desert, 8 mi northeast of Desert Center 159 Comment
  RSA760983  Atriplex canescens subsp. canescens Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks, M. Volke 2010-4-20 145 Riverside Hwy 177. N of Desert Center and Desert Lily Sanctuary. E of Joshua Tree National Park border. 274 Comment
  RSA452372  Atriplex canescens var. linearis T. S. Clare 1930-4-14 s.n. Riverside Salton Sea. [Imperial to Riverside Co] Comment
  RSA452444  Atriplex canescens var. linearis F. R. Fosberg 1940-10-4 S- 4102 Riverside Indian Wells, Coachella Valley Comment
  IRVC28861  Atriplex coronata var. notatior Mark A. Elvin 2005-5-24 4316 Riverside Perris; E of I-215; S of San Jacinto River; NW corner of jct Ellis Avenue and first road E of I-215. Southern Coastal 427 Comment
  OBI17338  Atriplex coronata var. notatior Robert F. Hoover 1968-1 Riverside Comment
  UCR240261  Atriplex coronata var. notatior D. E. Bramlet, Robt. L. Allen, Fred M. Roberts 2011-4-30 4827 Riverside Peninsular Range; Elsinore Trough, Nichols Road wetlands area, 253 m south of Nichols Rd. & 76 m east of Baker St. 384 Comment
  JEPS59582  Atriplex hymenelytra W. L. Jepson 1927-4-12 11641 Riverside Painted Canyon Mecca Hills, Painted Canyon 76 Comment
  SD251214  Atriplex hymenelytra Duncan S. Bell 2013-1-30 4445 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon just to the west of Mecca Hills peak 1642. 138 Comment
  UCR260959  Atriplex hymenelytra Duncan S. Bell 2013-1-30 4445 Riverside Sonoran (Colorado) Desert, the Mecca Hills, an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills Peak 1642 138 Comment
  SEINET4136500  Atriplex lentiformis Steven K. Langer 1994-4-6 s.n. Riverside West side of State Hwy. 11, south side of Coachella.; 0 30 Comment
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Jul 19 2015
  UCR163798  Atriplex lentiformis John F. Green 2005-10-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; ENE of Salton Sea State Park, along Coachella Canal 24 Comment
  RSA735904  Atriplex micrantha Scott D. White, Justin Wood 2008-6-24 12288 Riverside San Timoteo Canyon. Meadow along San Timoteo Creek. 640 Comment
  UCR114547  Atriplex serenana A. C. Sanders, K. C. Rose 1999-6-18 22815 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  CAS-BOT-BC176761  Atriplex serenana var. serenana A. C. Sanders; Mitch Provance; B. Pitzer 2000-9-27 23681 Riverside Santa Ana River Valley: SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tesquesquite and the river 232 Comment
  CDA23321  Atriplex serenana var. serenana Mitch Provance 2000-9-28 2266 Riverside Riverside: N side of Latham St., ca. 1/8 mile W of intersection with Keats Dr. Comment
  UCR114325  Atriplex serenana var. serenana Mitch Provance 2000-9-28 2266 Riverside Riverside, N side of Latham St., c. 1/8 mile west of intersection with Keats Dr. 245 Comment
  UCD97690  Atriplex suberecta A. C. Sanders; K. C. Rose 1998-5-21 21854 Riverside Hemet; west of town, E of the canal, S of Hwy 74 (Florida) and 1/4 mile W of Warren Road. 457 Comment
  UCR111062  Atriplex triangularis D. E. Bramlet 1996-5-4 2464 Riverside San Jacinto Valley, San Jacinto Wildlife Area, along the road to Marsh A (western levee of pond 1), adjacent to the southern levee of Pond No. 1, approximately 1.5 km NE of the reserve entrance at Davis Road 433 Comment
  RSA595274  Avena fatua D. L. Banks, Victor Steinmann 1996-4-20 895 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 536 Comment
  RSA0019012  Ayenia compacta Duncan S. Bell, John Anderson, Kim Clark, Ed Howland 2013-9-29 6035 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
  CLARK-A1528-5449  Baccharis emoryi John C. Roos 1948-11-6 4077 Riverside Box Springs Mountains Comment
  SEINET2045176 Image available Baccharis emoryi A. C. Sanders, S. White & C. L. Sanders 1994-10-9 15819 Riverside Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell: T2S, R3ESE4 S27SW4S26 549 Comment
  RSA0014780  Baccharis glutinosa Ivan Johnston 1917-4-4 s.n. Riverside Palm Canyon. 304 Comment
  UCR241253  Baccharis salicifolia T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1205 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  UCD129398  Baccharis salicina A. C. Sanders; T. Tennant 1997-11-20 21619 Riverside Lake Skinner area: mouth of Rawson Canyon, just NE of Lake Skinner. 457 Comment
  RSA709113  Baccharis sarothroides Scott D. White, Justin M. Wood 2005-9-27 11231 Riverside San Gorgonio Pass: Cabazon: Alluvial benches and braided dry channels south of Interstate 5 [I-10] and west of San Gorgonio River. 579 Comment
  LA202997  Baccharis sergiloides Louis Wheeler; 1933-12-1 2292 Riverside San Jacinto Mountains, mouth of Tahquitz Canyon 152 Comment
  RSA0123170  Baccharis sergiloides Duncan S. Bell, Andrew Chambers 2016-12-21 10219 Riverside The Dos Palmas Preserve area, at the southern end of the Orocopia Mountains, and at the northeastern section of the Salton Sea. -41 Comment
  RSA117705  Baccharis sergiloides S. Carlquist 1958-3-30 430 Riverside Along Morongo Valley to Lucerne Valley Road, on San Bernardino - Riverside County line Comment
  SEINET2045192 Image available Baccharis sergiloides K. Kirtland 1986-5-13 Riverside Homewood Canyon, Argus Range: T23S, R42E,S1/2, S35 1128 Comment
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Aug 28 2016
  SEINET899356  Baccharis sergiloides C. B. Wolf 1932-1 4272 Riverside Colorado Desert. Little San Bernandino Mts. Morongo Wash, 3/10 mi. below San Bernandino Co. line 671 Comment
  POM13024  Baileya pauciradiata Philip A. Munz, D. D. Keck 1922-4-14 4965 Riverside Indian Wells 107 Comment
  RSA0030697  Baileya pauciradiata J. Andre 2013-3-27 24796 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  CAS-BOT-BC106611  Baileya pleniradiata Carl B. Wolf 1932-4-27 3026 Riverside Colorado Desert, Mecca - Blythe Road, 3/4 mi. west of Utopia 152 Comment
  OBI16935  Bebbia juncea H. E. McMinn 1935-6-27 4066 Riverside Palms to Pines Highway Comment
  RSA5168  Bebbia juncea C. B. Wolf 1932-4-26 2979 Riverside 5.5 miles E of Mecca on Blythe road lower sonoran 61 Comment
  UCR109559  Bebbia juncea R. D. Goeden, Don W. Ricker 1980-3-20 s.n. Riverside Western Colorado Desert, Coachella Valley, Painted Canyon in the Mecca Hills 122 Comment
  UCR251338  Bebbia juncea S. J. Myers 2014-5-21 1057 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  SEINET10925102  Bebbia juncea A. K. Evans 1976-4-13 Evans 5201 Riverside Desert canyons of Santa Rosa Mountains. Comment
  CAS-BOT-BC100130  Bebbia juncea var. aspera I. Johnston 1917-6-5 1239 Riverside Hills south of Arlington 365 Comment
  CAS-BOT-BC100132  Bebbia juncea var. aspera Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  RSA0039603  Bebbia juncea var. aspera Deidre Conocchioli, Duncan S. Bell 2014-3-11 153 Riverside Devil Canyon in the Santa Rosa Wilderness area. W of Coachella Valley, 3 miles S of Lake Cahuilla. 110 Comment
  CLARK-A1528-5635  Berberis dictyota John C. Roos 1947-1-31 3215 Riverside Reche Canyon Comment
  UCR153471  Berberis dictyota Chris E. True 2004-9-20 s.n. Riverside Santa Ana Mtns., Bedford Road c. 0.5 mi. NE of Main Divide Truck Trail, N of the head of Brown Canyon 1022 Comment
  CLARK-A1528-5633  Berberis nevinii John C. Roos 1948-2-21 3772 Riverside San Timoteo Canyon Comment
  POM96265  Berberis nevinii E. C. Jaeger 1925-11-9 s.n. Riverside Dripping Spring, S.W. Riverside Co. Comment
  RSA753535  Berberis nevinii Michael Wall 2009-6-10 518 Riverside CNDDB EO # 04; south of Redlands ca. 0.75 miles up an unnamed canyon off San Timoteo Canyon Rd. ca. 0.5 miles NW of jct with Allesandro Blvd, (road entrance is by an abandoned dairy) 496 Comment
  UCR67358  Berberis nevinii Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 3997 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  POM259683  Bernardia incana P. A. Munz 1940-3-24 15700 Riverside 2 miles north of Cottonwood Spring, Eagle Mountains. 915 Comment
  RSA336055  Bernardia incana R. F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52064 Riverside Palms to Pines Highway: Along highway, Santa Rosa Mountains. Comment
  UC667313  Bernardia incana Annie M. Alexander and Louise Kellogg 1941-5-10 2144 a Riverside small canyon 3 mi. n.e. Cottonwood Spring (Eagle Mts.); Colorado Desert, Eagle Mts. 1036 Comment
  UCR13715  Bernardia myricifolia N. R. Zabriskie, W. W. Zabriskie 1972-4-9 510 Riverside Peninsuar Range; Santa Rosa Mtns/Sonoran (Colorado) Desert, small canyon NW from Hwy 74 at [hwy mile post] 81.72, Deep Canyon watershed, site 8 1220 Comment
  RSA69940  Beta vulgaris P. A. Munz 1923-6-14 7120 Riverside 5 miles north of Corona. Comment
  RSA367330  Bloomeria crocea var. crocea N. C. Cooper 1949-6-29 4327 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  SD133144  Boechera californica Scott White 1991-5-13 91 109 Riverside Highway 79 immediately west of U. S. Forest Campground at Dripping Springs. 550 Comment
  UCR94923  Boerhavia coccinea Scott D. White 1996-9-22 4525 Riverside San Jacinto Mtns., South fork of San Jacinto River, Hwy 74, c. 1-3 road mi. east of U.S. Forest Service Cranston Fire Station. 762 Comment
  RSA781887  Boerhavia coulteri Duncan S. Bell 2011-10-22 3004 B Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  JOTR30081  Boerhavia intermedia La Doux, Tasha, Bill Truesdell 2006-10-3 1712 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  RSA339616  Boerhavia intermedia Robert F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-23 53604 Riverside Pinto Basin Road: Along road, 4.5 mi S of meeting area of Mojave and Colorado Deserts 1098 Comment
  JOTR30697  Boerhavia wrightii Andre, Jim, Tasha La Doux 2008-9-13 10259 Riverside Joshua Tree National Park. Palen Valley along the W. side of Hwy 177, just W. of Palen Valley Sand Dunes area, E. side of Coxcomb Mountains, E. boundary of Joshua Tree National Park 204 Comment
  SEINET10389837  Boerhavia wrightii A. C. Sanders, Jim Malusa 2015-9-10 41867 Riverside Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  UCD170134  Boerhavia wrightii A. C. Sanders; T. B. Salvato 2000-4-21 23350 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal. 15 Comment
  UCR95731  Bolboschoenus maritimus subsp. paludosus D. L. Banks, Lauren Raz 1996-8-29 1143 Riverside Agua Tibia Mountains, NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. Along Arroyo Seco, north of Wildhorse Peak, before the drainage bends to the south. 549 Comment
  RSA575738  Bouteloua aristidoides S. J. Darbyshire, J. Cayouette 1994-9-17 4637 Riverside Chuckwalla Valley 30 mile E [of] Desert Center, Highway 10 rest area. 90 Comment
  RSA0099442  Bouteloua barbata Duncan S. Bell, Evan Meyer 2014-10-29 7696 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
  RSA704542  Bouteloua barbata LeRoy Gross 2005-3-3 1580 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  UCSB22539  Bouteloua curtipendula Breedlove, Dennis 1961-9-11 Riverside Pinyon Flats Campground along CA Hwy 74; Santa Rosa Mtns 1249 Comment
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Mar 29 2014
  CAS-BOT-BC95428  Bowlesia incana E. A. Zumbro 1902-4-1 s.n. Riverside Box Springs Mtn. Comment
  JOTR35011  Brandegea bigelovii La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3112 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  SEINET2042329 Image available Brandegea bigelovii B. Pitzer 1989-4-15 1285 Riverside Chocolate Mountains Aerial Gunnery Range. Large wash crossing Ridgeline Rd. (Frink quad: UTM 11S: PH-050N, 397E) 700 Comment
  UCD170979  Brassica fruticulosa A. C. Sanders 2008-3-2 34418 Riverside Peninsular Range, Box Springs Mtns., Two Trees Canyon along foot trail along north side of riparian thicket, beyond the end of the old road. 428 Comment
  RSA0034839  Brassica geniculata Norman C. Cooper 1944-5-19 1275 Riverside Banning. 701 Comment
  RSA0106891  Brassica nigra Daphne K. Christopher, Hannah Stevens 2003-4-4 95 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  UCR104898  Brassica nigra A. C. Sanders 1997-3-19 20027 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp 473 Comment
  RSA0049917  Brassica tournefortii Jim Andre 2014-1-27 26672 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
  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
  UC1922426  Brassica tournefortii Naomi Fraga, Lisa Rojas 2005-2-10 1372 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR127324  Brassica tournefortii A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25832 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR18589  Brickellia arguta John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, rocky canyon 2.5 miles SE of Desert Center 610 Comment
  UCR43491  Brickellia arguta R. F. Thorne, W. A. Tilforth 1980-5-28 54208 Riverside San Bernardino Mtns., Branch canyon west of Whitewater Canyon, c. 3.2 mi. north of Whitewater Post Office and Hwy 10. 612 Comment
  RSA93715  Brickellia arguta F. W. Peirson 1919-4-13 1214 Riverside Along the Tahquitz creek, East of Palm Springs, Riverside. Comment
  UCR215448  Brickellia arguta var. arguta Tasha La Doux, Jim Andre 2008-9-16 334 Riverside Mojave Desert, Joshua Tree National Park, along Bell Mountain Road atop Bell Mountain, c. 0.3 mi. north of radio tower 1359 Comment
  UC1523410  Brickellia atractyloides Robert F. Thorne and W. A. Tilforth 1980-5-28 54208 Riverside 3.2 mi n, w from Whitewater Canyon Hwy 10 and Whitewater P. O.; San Bernadino Mts. 609 Comment
  UCD129619  Brickellia atractyloides var. arguta J. C. Roos 1948-5-1 3813 Riverside Whitewater. 1066 Comment
  JOTR30933  Brickellia californica La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1413 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  UCR231190  Brickellia californica A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39945 Riverside Peninsular Range; Santa Ana Mountains, Skyline Drive on ridge between Mabey and Tin Mine Canyons, 1.8 mi. below Oak Flat, at side canyon (tributary to Mabey Cyn.) crossed by road 710 Comment
  RSA559357  Brodiaea santarosae Steve Boyd, Timothy S. Ross 1992-5-15 7385 Riverside Southern Santa ana Mtns., southern flank of Elsinore Peak along old Main Divide Road track about 1/4 mile due south of radio towers, 1037 Comment
  UC162210  Bromus arizonicus H. M. Hall May, 1905 5980 Riverside Colorado Desert Comment
  RSA575964  Bromus carinatus Steve Boyd 1981-4-10 s.n. Riverside Galvin Hills region, summit of 'Rocky Bluff Ridge' east of Estelle Mountain. 832 Comment
  RSA772334  Bromus diandrus Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4513 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR201650  Bromus diandrus Scott D. White, Justin M. Wood 2008-5-15 11997 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  RSA296147  Bromus diandrus B. A. Prigge 1980-8-18 3977 Riverside San Bernardino Mountains, Whitewater Canyon; 3.6miles upstream from trout farm. Mouth of side canyon on N side of canyon. 982 Comment
  POM363860  Bromus grandis N. C. Cooper 1944-5-20 1311 Riverside Palms to Pines Highway, San Jacinto Mountains. 915 Comment
  UCR151222  Bromus grandis Scott D. White 1999-6-6 7446 Riverside San Jacinto Mnts, Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds of USFS Road 5S24.2 1463 Comment
  JOTR37759  Bromus madritensis subsp. rubens Hodges, Stephen R. 2016-2-29 715 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  SEINET3923277  Bromus rubens Starr Streight 1982-4-17 38 Riverside Cajalco Road, 2 miles east of I-15; South of Corona. Weedy hillside on north side of road.; 0 Comment
  CLARK-A1528-48  Bromus tectorum C. M. Flanagan 1973-4-26 OO 319 Riverside Morongo Indian Reservation 1158 Comment
  UC555386  Caesalpinia virgata H. L. Mason 1928-3-10 Riverside Coachella Mts., Hidden Springs Canyon Comment
  RSA0120322  Calandrinia ciliata Duncan S. Bell 2016-3-13 8924 Riverside Whitewater Canyon; in the vicinity of Painted Hill, approximately 2.5 air miles southeast of the Ranger Station (trout pond). 613 Comment
  RSA550018  Calandrinia ciliata Walter Wisura, A. King, L. Newcomb 1992-4-10 4679 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
  SDSU18749  Calandrinia ciliata C. Matt Guilliams 2008-2-13 455 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 451 Comment
  UCR116855  Calandrinia ciliata A. C. Sanders, Steven R. Hill 2001-5-4 24138 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  POM248021  Callitriche marginata P. A. Munz 1941-3-18 16658 Riverside North end of Santa Rosa Ranch, Elsinore Mountains. 854 Comment
  SEINET5334883  Calocedrus decurrens G. B. Grant 1901-1 691 Riverside from San Jacinto Mountains, S. Cal. 914 Comment
  UCR20921  Calochortus invenustus A. C. Sanders 1978-7-3 s.n. Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  UCR86247  Calochortus palmeri var. munzii Jeri Hirshberg 1995-5-25 s.n. Riverside San Jacinto Mtns, San Bernardino National Forest, south side of Hwy 74, 0.1 mi east of Ribbonwood Drive 1341 Comment
  RSA0120466  Calochortus splendens Duncan S. Bell 2016-4-16 9321 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA487424  Calochortus splendens Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  RSA783290  Calochortus splendens J. D. Olmsted 1958-6-10 160 Riverside 8 miles SW of Corona on Oak Flat Fire Road (turn S in Corona from US [91?] onto Lincoln). Santiago Creek drainage area. 823 Comment
  SEINET214704  Calycoseris wrightii Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Ke 1973-3-21 6442 Riverside Blythe-Rice road 17 airmiles north-northwest of Blythe. 259 Comment
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Nov 30 2014
  SEINET998494  Calystegia macrostegia A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-1 32520 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. (Murrieta 7.5' Q) 579 Comment
  UCD126080  Calystegia macrostegia B. Pitzer 1997-4-20 3200 Riverside Lakeview Mtns: Pulsar View Road, around 1.2 mi. up from the base of the hills (at end of Warren Road). Around 1 air mile north of Juniper Flats (Contour) Road. 549 Comment
  SJSU8764  Calystegia macrostegia subsp. intermedia G. E. Eberle 1962-12-27 77 Riverside upper end of Two Trees Rd, Riverside Comment
  RSA0051250  Calystegia macrostegia subsp. longiloba Paul McLaughlin 1976-4-7 0407761 Riverside Box Springs Mountains one mile west of Box Springs Mt. Road along County Park trail. 822 Comment
  UCR92224  Calystegia macrostegia subsp. tenuifolia D. L. Banks 1995-4-11 0172 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, along the Dripping Springs Trail. 951 Comment
  RSA294424  Camissonia Lyman Benson 1949-3-28 13573 Riverside Wash at east end of Pines to Palms Highway just above junction of Palm Springs-Indio Road; Mt. Range: Santa Rosa Mountains; Drainage area: Colorado Desert. 305 Comment
  RSA507499  Camissonia Marlyce Myers 1980-4-28 s.n. Riverside Motte Reserve, in rocky granitic hills 2.5 mi. NW of town of Perris. At the south end of the Reserve. Comment
  RSA784782  Camissonia Duncan S. Bell 2012-3-18 3186 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
  UCR132614  Camissonia Kent Beaman 1983-4-24 31 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road about 2 miles west of Hwy 15, south side of road just before it starts up a hill 427 Comment
  RSA2595  Camissonia bistorta J. T. Howell 1928-7-9 1059 Riverside Temescal Canyon, 6 miles south of Glen Ivy 335 Comment
  SEINET7073297  Camissonia bistorta A. G. Vestal 1963-4-27 s.n. Riverside Cottonwood Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR171909  Camissonia bistorta John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  POM201158  Camissonia brevipes subsp. brevipes Carl B. Wolf 1932-4-29 3108 Riverside Eastern Colorado Desert, 9 mi S of Brown's Well on the Blythe-Rice Road [Midland Rd]. 244 Comment
  RSA548744  Camissonia brevipes subsp. brevipes W. L. Halvorson 1977-2-5 77 -7 Riverside Joshua Tree National Monument. Desert bajada near the junction of Interstate 10 and road to the Monument. Comment
  SEINET3093141 Image available Camissonia brevipes subsp. brevipes G. K. Helmkamp, E. A. Helmkamp 1998-1-17 2545 Riverside Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal. Comment
  UCR216200  Camissonia californica Jim Andre, T. La Doux 2009-2-28 10836 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, SE Little San Bernardino Mountains, along Berdoo Canyon Rd (dirt), c. 0.8 mi. north of JTNP boundary, c. 3 miles north of Dillon Road 632 Comment
  SBBG24967  Camissonia campestris subsp. campestris D. Myrick 1966-4-2 1345 Riverside Palms to Pines Hwy 74, ca. 5 mi W of Palm Desert Comment
  RSA75388  Camissonia cardiophylla F. W. Peirson 1917-4-1 787 Riverside Along south edge of Colorado Desert embayment east of Palm Springs, above ''Garden of Eden'. Comment
  RSA701042  Camissonia claviformis Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11286 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  SEINET10492062  Camissonia claviformis David B. Dunn 1948-3-13 Dunn 3730 Riverside Found growing in a wash. Indio hills. Colorado desert. Near pushawalla. Comment
  POM265180  Camissonia claviformis subsp. aurantiaca I. L. Wiggins 1937-3-9 8764 Riverside Sand dunes 20 miles north of Indio. Comment
  RSA135289  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-24 11437 Riverside Fargo Canyon, alluvial fan. Comment
  RSA171392  Camissonia confusa J. Olmstead 1962-5-3 3483 Riverside Along road on north side of Hemet Lake; San Jacinto Mts. 1280 Comment
  UCD103281  Camissonia contorta C. L. Hitchcock; C. V. Muhlick 1962-3-16 22136 Riverside Temescal Canyon, 8 miles SE of Corona. Comment
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Jun 24 2020
  RSA614531  Camissonia hirtella A. C. Sanders, P. Mackay, Tim C. Thomas, O. Clarke 1997-5-4 20635 Riverside UTM 10km cell: NH-1E, 4N. Vista Grande. 1067 Comment
  UCR154747  Camissonia hirtella T. B. Salvato, Kent Beaman 2005-5-16 779 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  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
  UCR199921  Camissonia hirtella Scott D. White, Justin Wood 2008-4-16 11882 Riverside Perris/Elsinore Basin, hills to the west of I-215 and south of Scott Rd. 549 Comment
  UCR50297  Camissonia hirtella B. G. Pitzer, Et al. 1987-5-23 0566 Riverside San Bernardino Mtns., Whitewater Canyon, from N edge of Fish Hatchery to c. 0.5 mi north of it; c. 5.5 mi north of I-10 on Whitewater Cyn Rd. 732 Comment
  RSA85157  Camissonia intermedia J. C. Roos 1952-4-16 5546 Riverside Reche Canyon. 457 Comment
  CLARK-A1528-662  Camissonia pallida Charlotte Stocks 1964-5-20 Riverside Box Canyon Comment
  UCR112973  Camissonia pallida B. G. Pitzer, T. Tennant 1998-2-21 3539 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10. 427 Comment
  RSA186575  Camissonia pallida subsp. pallida Peter H. Raven 1962-4-7 17116 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument. Comment
  RSA449237  Camissonia pallida subsp. pallida Anstruther Davidson 1926-3-1 3613 Riverside Colorado Desert. Comment
  SEINET3005000  Camissonia refracta G. Rink 2011-4-4 10428 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  RSA585788  Camissonia strigulosa D. L. Banks, Steve D. Boyd 1995-5-9 416 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 738 Comment
  UC454559  Camissonia strigulosa I. J. Condit 1910-6-24 Riverside San Jacinto Mts. 914 Comment
  JOTR34475  Camissoniopsis pallida Andre, Jim 2012-4-16 20945 Riverside Joshua Tree National Park. Pleasant Valley; along Geology Tour Road at SW end of one-way loop at drainage below Pinyon Well. Approx. 7.5 mi south of Natl Park loop road (paved). 1094 Comment
  JEPS33742  Camissoniopsis pallida subsp. hallii Marjorie D. Clary 1932-3-20 1536 Riverside 10 mi nw Garnet; Colorado Desert, Mission Creek 457 Comment
  UC172909  Camissoniopsis pallida subsp. pallida E. E. Schellenger 1911-4-25 Riverside Point of Rocks Colorado Desert, Whitewater Wash Comment
  UCD103600  Camissoniopsis pallida subsp. pallida R. L. Smith 1948-3-24 s.n. Riverside Foot of Andreas Canyon. Comment
  UCR21202  Capsella bursa-pastoris A. C. Sanders 1980-5-1 1377 Riverside San Jacinto Mountains, Garner Valley, off Morris Ranch Road, 2.2 mi north of Kenworthy Ranger Station 1616 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
  CAS-BOT-BC20949  Carex heteroneura M. E. Jones 1933-9-1 s.n. Riverside San Jacinto Mountains. Comment
  POM14315  Carex hoodii Phillip A. Munz 1922-7-6 6005 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  RSA192254  Carex praegracilis E. W. Lathrop 1959-4-26 4505 Riverside 14 miles W of Murrieta - Tenaja Plateau. Comment
  RSA263680  Carex praegracilis E. W. Lathrop 1968-6-2 6964 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA575995  Carex praegracilis Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills region, canyon at southeastern base of Rocky Bluff Ridge , east of Estelle Mountain and south of Gavilan Plateau. 610 Comment
  RSA736253  Carex praegracilis Scott D. White, Justin M. Wood 2008-4-3 11795 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan property, Alberhill area. 274 Comment
  SD73491  Carex praegracilis E. W. Lathrop 1959-5-17 4571 Riverside 10 miles west of Murrieta; open grasslands; open woods on slopes and valleys; dense grassy stream bank in shallow oak woodland valley. Comment
  UC1930096  Carex praegracilis Scott D. White, Justin Wood 2008-6-5 12089 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 @ Thomas Mountain Rd. - SW corner of junction. Comment
  UCR29265  Carex praegracilis A. C. Sanders, K. Berg 1980-5-1 1366 Riverside San Jacinto Mtns., Garner Valley. 0.25 mi NW of the Kenworthy Ranger Station. 1387 Comment
  CAS-BOT-BC117867  Carex sartwelliana Frank Warrington Peirson 1924-7-28 5015 Riverside Near stream, Pine Flats Camp, San Jacinto Mts. 1798 Comment
  CAS-BOT-BC117871  Carex sartwelliana P. M. Kamb 1947-5-17 525 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  UC146414  Carex sartwelliana Charlotte M. Wilder 1909-7-14 918 Riverside above Idylwild (Strawberry creek); San Jacinto Mt. Comment
  RSA90892  Carex sartwelliana F. W. Peirson 1924-7-28 5015 Riverside Pine Flats Camp 1799 Comment
  RSA192147  Carex schottii H. A. Zuill 1966-4-1 111 Riverside About 10 miles WSW of Murrieta, Tenaja Canyon,. Comment
  UCR265614  Carya illinoinensis Ling-Hsuan Kung 2011-5-31 030 Riverside Riverside, Santa Ana River Regional Park 224 Comment
  RSA711756  Cassia eremophila O. F. Clarke 2002-3-11 s.n. Riverside O.F. Clarke residence, 266 Frost Court. 351 Comment
  RSA783581  Castela emoryi M. Wall, Valentin Arvizu 2011-6-1 605 Riverside ENE of Desert Center, plants near a power line maintenance road ca. 3.0 miles SE of junction with Rice Rd. (Hwy. 177) 181 Comment
  RSA525278  Castilleja affinis Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4592 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  POM12854  Castilleja applegatei subsp. martinii Philip A. Munz 1922-6-26 5834 Riverside Road to Santa Rosa. 1738 Comment
  POM71676  Castilleja applegatei subsp. martinii Philip A. Munz 1924-5-18 8131 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  RSA0010959  Castilleja applegatei subsp. martinii Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 639 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA448692  Castilleja applegatei subsp. martinii Francis W. Pennell, A. L. Grant 1940-4-28 25283 Riverside West slope of San Jacinto Range. 1402 Comment
  RSA730597  Castilleja densiflora Robert F. Thorne, Walter Wisura 1978-5-21 52006 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  UCR79362  Castilleja densiflora subsp. gracilis Steve Boyd 1992-4-18 6900 Riverside Perris-Aguanga Basin region, Paloma Valley, between Sun City and Murrieta, east of Hwy 215; just SW of the junction of Briggs Road and Scott Road 457 Comment
  SBBG133116  Castilleja exserta B. C. Templeton, I. W. Clokey 1930-4-9 1070 Riverside Moreno Grade Comment
  RSA0010938  Castilleja exserta subsp. exserta N. C. Cooper 1944-3-24 999 Riverside Banning. 701 Comment
  UC1951109  Castilleja foliolosa Scott D. White, Justin Wood 2009-5-22 12918 Riverside SAN JACINTO MOUNTAINS: Old Control Road, above Halfway Spring. USGS Blackburn Canyon 7.5' Quad. Comment
  UCR102934  Castilleja foliolosa George K. Helmkamp 1998-4-3 3089 Riverside Coachella Valley, Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging staion along the creek 747 Comment
  JEPS9766  Castilleja miniata W. L. Jepson 2305 Riverside Tauquitz Peak 2438 Comment
  UCR113855  Castilleja minor subsp. spiralis Mitch Provance 2000-6-24 2037 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR104610  Caulanthus heterophyllus B. G. Pitzer 1997-4-11 3117 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
  UCR136315  Caulanthus heterophyllus Virginia Moran 2003-3-26 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  UC64021  Ceanothus cordulatus H. M. Hall Aug. 1897 Riverside San Jacinto Mts. 2438 Comment
  SD129397  Ceanothus crassifolius Steve Myers 1990-3-21 Riverside Santa Rosa Plateau area: Along Los Gatos Road, 1/2 mi. S of Buena Vista road (2 mi. W of Sandia Canyon, & 0.1 mi. N or San Diego County Line). 366 Comment
  RSA575063  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -D 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
  POM84582  Ceanothus greggii var. perplexans S. B. Parish 1908-06 6966 Riverside Eden Hot Springs Comment
  SBBG105058  Ceanothus ophiochilus S. Boyd with K. Boyd 1993-3-28 7910 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215, just SW of jct of Briggs Rd and Scott Rd 792 Comment
  UCR89469  Ceanothus ophiochilus Steve Boyd, Chris Frazier 1993-4-24 8012 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agua Tibia Mt., Agua TibiaWilderness area, Cleveland National Forest. Along trail extending S from end of Woodchuck Rd. 1000 Comment
  CAS-BOT-BC51927  Ceanothus perplexans H. M. Hall 1901-6-1 2156 Riverside Eastern base, along the borders of the Colorado Desert Comment
  LA44916  Ceanothus perplexans H. Lewis; 1939-4-9 sn Riverside Pines to Palms Highway 761 Comment
  OBI10383  Ceanothus perplexans Robert F. Hoover 1969-4-13 11227 Riverside Pinyon flat, San Jacinto Mts Comment
  UCD112522  Ceanothus perplexans Sally Bonnett 1973-4-21 040 Riverside At junction of St. Pierre Road and Palm Canyon Drive, 1.4 mile from Highway 74, near Pinon Flats, between San Jacinto and Santa Rosa Mountains. Comment
  UCR101450  Ceanothus perplexans A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22236 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Millard Canyon 841 Comment
  UCR38687  Centaurium venustum J. M. Stewart 1985-5-20 8521 Riverside Sonoran (Colorado) Desert, Palm Canyon 244 Comment
  SEINET8583414  Centaurium venustum H. M. Hall 1905-4-30 5915 Riverside Palisade. 76 Comment
  RSA767269  Centromadia pungens subsp. laevis Scott D. White 2009-8-10 13357 Riverside Temescal Valley: City of Temecula, West bank of Murrieta Creek, from Rancho Califonria Rd to Cherry St. 306 Comment
  UC161908  Centrostegia thurberi var. thurberi C. R. Orcutt Riverside Colorado Desert Comment
  CAS-BOT-BC388359  Cerastium glomeratum A. C. Sanders 2006-5-19 32461 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
  UCR195115  Cerastium glomeratum A. C. Sanders, Tim Thomas 2008-8-1 35960 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  UCR25793  Cerastium glomeratum John C. Roos 1952-4-16 5556 Riverside Box Springs Mountains, Pigeon Pass 457 Comment
  RSA498414  Cercidium floridum T. S. Clare 1930-4-14 13790 Riverside Indio Comment
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Feb 3 2011
  LA47736  Cercocarpus betuloides Elizabeth McClintock; 1936-7-19 sn Riverside San Jacinto Mountains, Idyllwild Comment
  RSA1787  Cercocarpus betuloides Carl B. Wolf 1931-5-11 s.n. Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
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Mar 24 2011
  CAS-BOT-BC279438  Chaenactis Elizabeth McClintock 1964-4-8 s.n. Riverside East of Indio Comment
  CAS-BOT-BC177411  Chaenactis carphoclinia Sarah J. De Groot; Leland Lubinsky; Naomi Fraga; Lisa Rojas 2005-2-10 4615 Riverside Along Palen pass Road, near Palen Pass, between Granite and Palen Mountains 402 Comment
  CAS-BOT-BC276377  Chaenactis carphoclinia S. B. Parish 1916-5-15 10838 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  CDA7361  Chaenactis carphoclinia T. C. Fuller 1963-4-23 10277 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  OBI51893  Chaenactis carphoclinia David Charlton 1988-2-25 1227 Riverside S side of Little San Bernardino Mts. Dillon Rd and 1000 Palms Oasis Rd jct S of Joshua Tree Natl Park, parallel to i-10. 5 mi E of jct Dillon rd and Fargo Cyn rd 610 Comment
  JEPS30602  Chaenactis carphoclinia var. carphoclinia Donald M. Kyhos 1958-2-15 58 -13 Riverside Corn Springs Comment
  RSA457778  Chaenactis carphoclinia var. carphoclinia Steve Boyd, S. Meury, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2210 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA554246  Chaenactis carphoclinia var. carphoclinia Theo Glenn 1991-5-20 91 -101 Riverside Colorado Desert, Arica Mts, SW of Rice. 320 Comment
  CAS-BOT-BC276927  Chaenactis fremontii Geo. B. Grant 1906-5-1 6708 Riverside On Colorado Desert at Palm Springs Comment
  CAS-BOT-BC276938  Chaenactis fremontii John Thomas Howell 1928-3-25 3552 Riverside 15 miles S of Palm Springs on road to Indio, Colorado Desert Comment
  POM351705  Chaenactis fremontii Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  UC894466  Chaenactis fremontii Milo S. Baker Apr 3 1928-Apr 4 1928 30186 Riverside about Palm Canon Palm Canon Comment
  SEINET6808363  Chaenactis fremontii Unknown 1997-3-15 Riverside 10 miles S of Hovely; Hovely; 10 miles S of Comment
  SEINET2049369 Image available Chaenactis glabriuscula Ricardo Montijo 1990-4-27 Riverside Rancho California area: E of Santa Rosa Plateau, Green Meadow Road off of de Portoloa Road. T7S, R1W, sec. 30. 610 Comment
  UCR16879  Chaenactis glabriuscula G. W. Forister 1967-3-23 s.n. Riverside San Bernardino Mtns., Whitewater Cyn 612 Comment
  UCR34889  Chaenactis glabriuscula L. B. Ziegler 1967-4-18 117 Riverside San Jacinto Mtns, Foothills of the mountains, Soboba Indian Reservation, Poppet Flat Rd 581 Comment
  JEPS34204  Chaenactis glabriuscula var. glabriuscula W. L. Jepson 1939-4-17 19138 Riverside near Twin Springs (n end of Temescal Canyon); Temescal Canyon 274 Comment
  POM351766  Chaenactis glabriuscula var. glabriuscula M. M. Thompson 1947-6-9 2086 Riverside Los Alomos Canyon, Elsinore. 762 Comment
  RSA772854  Chaenactis glabriuscula var. glabriuscula Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4828 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
  RSA695580  Chaenactis glabriuscula var. lanosa Keith E. Hoffmaster 1937-6-6 791 Riverside Hemet Lake. Comment
  UC1543179  Chaenactis parishii Donald G. Nelson 1936-5-22 386 Riverside Ribbon Wood Camp Santa Rosa Mtns., Palm Springs Canyon (Pines to Palms Highway, on trail down to stream in Palm Springs Canyon, near base of Santa Rosa Mtns.) Comment
  UC535051  Chaenactis parishii Victor Duran 1933-7-1 3492 Riverside near Santa Rosa; Santa Rosa Mts. 1828 Comment
  NY43322  Chaenactis stevioides C. R. Annable 1995-3-16 2298 Riverside Ca. 13km NE of Desert Center, on Hwy 177 Comment
  RSA796458  Chaenactis stevioides Duncan S. Bell 2009-4-18 218 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  UC665742  Chaenactis stevioides Ira L. Wiggins 1941-5-27 9683 Riverside 8 mi ne of Desert Center (s end of Coxcomb Mountains); Coxcomb Mountains Comment
  UCSB7215  Chaenactis stevioides Beeks, Richard 1952-4-5 Riverside 12 miles E. of Shaver Summit Comment
  RSA778523  Chamaesyce Amber Swanson, Linda Jean Foster 2011-10-8 625 Riverside Jct of Blythe Rice Rd and Hwy 62. 287 Comment
  RSA423515A  Chamaesyce arizonica B. C. Templeton 1930-3-22 1632 Riverside Palm Springs. 400 Comment
  RSA797565  Chamaesyce micromera Marc Baker, Michelle Cloud-Hughes 2011-12-18 17502 Riverside 67 km WNW of Blythe, 17 km west of Palen Pass, 27 km NNE of Desert Center. 177 Comment
  RSA605743  Chamaesyce nutans A. C. Sanders, G. K. Helmkamp 1996-3-17 17976 Riverside Coachella Valley: North Palm Springs (Garnet), I-10 at Indian Ave., N of Garnet Ave. 250 Comment
  RSA770638  Chamaesyce polycarpa var. hirtella R. F. Thorne, M. Z. Thorne 1973-3-30 42694 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA433512  Chamaesyce polycarpa var. polycarpa E. A. Purer 1933-3-25 17197 Riverside Palm Springs. Comment
  RSA599291  Chamaesyce serpillifolia subsp. hirtula L. C. Wheeler 1945-10-7 6140 Riverside San Jacinto Mountains. Fuller Mill Creek, North Fork San Jacinto River. 1828 Comment
  POM296326  Chamaesyce setiloba L. S. Rose 1946-12-23 46302 Riverside Cathedral Canyon Wash. 183 Comment
  POM12201  Cheilanthes clevelandii P. A. Munz 1922-4-29 5116 Riverside 5 miles west of Aguanga. 732 Comment
  UCR12622  Cheilanthes newberryi R. P. Sunderman 1968-4-26 4 Riverside Peninsular Range, Riverside; UCR campus 396 Comment
  UCR93198  Cheilanthes newberryi G. P. Schultz 1994-4-7 90 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  POM299277  Cheilanthes viscida A. M. Alexander, Louise Kellogg 1941-5-21 2214 Riverside Colorado Desert: bed of canyon near its mouth, north slope of Eagle Mountains. 1159 Comment
  UC199910 Image available Cheilanthes viscida J. G. Lemmon and wife Riverside San Gorgonio Pass Comment
  RSA554221  Chenopodium berlandieri var. sinuatum A. C. Sanders, Chet McGaugh 1991-7-19 11154 Riverside Murrieta Hot Springs, large vernal pool on the S side of Murrieta Hot Springs Road, E of Via Princesa & N of Calle del Lago 348 Comment
  RSA0105842  Chenopodium botrys Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UC1929614  Chenopodium californicum Scott D. White 2003-3-21 8798 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  UCR102865  Chenopodium murale A. C. Sanders 1997-3-19 20063 Riverside Lake Skinner area, upper Rawson Canyon, west of Black Mountain, along the road from Lake Skinner 549 Comment
  UCR113599  Chenopodium strictum var. glaucophyllum A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23682 Riverside Santa Ana River Valley, SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river 232 Comment
  UCR113609  Chenopodium strictum var. glaucophyllum A. C. Sanders, Mitch Provance, T. B. Salvato 2000-10-5 23719 Riverside Santa Ana River Valley, Hidden Valley Wildlife Area, c. 1/2 mile west of the park office (nature center), near Riverside between La Sierra and Norco 191 Comment
  UCSB8347  Chilopsis linearis Leeuwen, Henry 1957-4-13 Riverside Next to Cal. Hwy. 195 about 6 miles east of Mecca Comment
  JEPS21143  Chilopsis linearis subsp. arcuata H. M. Hall June, 1901 2112 Riverside e. base San Jacinto Mts. Colorado Desert, e. base San Jacinto Mts. Comment
  LA204142  Chilopsis linearis subsp. arcuata Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9582 Riverside Mecca Hills 2 mi. up Painted Canyon Comment
  OBI20565  Chilopsis linearis subsp. arcuata Louis C. Wheeler 1933-12-1 2281 Riverside San Gorgonio Wash at S. P. RR, San Gorgonio Pass 640 Comment
  UC21646  Chimaphila menziesii H. M. Hall 1897-6-16 646 Riverside San Jacinto Mts. Comment
  JEPS58874  Chimaphila umbellata Carl V. Meyer 1928-6-14 451 Riverside canyon near Saunder's Meadow (San Jacinto Mt.); San Jacinto Mt. 1737 Comment
  POM48039  Chimaphila umbellata subsp. occidentalis P. A. Munz, I. M. Johnston 1924-7-27 8724 Riverside ridge south of Dark Canyon, San Jacinto Mts 2287 Comment
  UC64797  Chloracantha spinosa var. spinosa E. E. Schellenger 1904-2-9 3 Riverside Paloverde Bench Colorado River Comment
  RSA723964  Chloris truncata R. E. Riefner 2003-10-21 03 -461 Riverside Menifee Valley, along Newport Road 1 mi. E of Goetz Road intersection. 442 Comment
  CAS-BOT-BC184864  Chloris virgata Fred M. Reed 1904-8-14 94 Riverside On Monroe Street between Duffer's and Victoria Aremnes-Arlington Heights. Comment
  RSA0018891  Chloris virgata Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6027 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  UC218056  Chorizanthe brevicornu var. brevicornu P. A. Munz, D. Keck Apr 9 1922-Apr 12 1922 4859 Riverside vicinity Corn Springs (Chuckwalla Mountains, Colorado Desert); Colorado Desert, Chuckwalla Mountains 457 Comment
  UCD80953  Chorizanthe brevicornu var. brevicornu Chuck Hughes 2009-3-23 62 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  UCR104833  Chorizanthe brevicornu var. brevicornu George K. Helmkamp 1998-2-5 2639 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UCR87931  Chorizanthe coriacea A. C. Sanders, N. Ferguson 1994-6-2 14634 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  UC69320  Chorizanthe corrugata L. A. Greata April 1905 Riverside Coachella Comment
  SBBG89136  Chorizanthe fimbriata L. F. LaPre 1988-6-2 Riverside Indian Truck Trail S end of wash which crosses unser de Palma Rd ( frontage rd to Interstate-15) near Glen Eden Resort 365 Comment
  CAS-BOT-BC191343  Chorizanthe leptotheca Chris E. True; Robert Cox 1989-4-29 10150 Riverside San Jacinto Mtns.Foothills: along Hwy 74 at milepost 48, across from Cranston US Forest Service Station, 3 miles E of Fairview Ave., N of highway and S of San Jacinto River, near mouth of Bee Canyon 610 Comment
  CAS-BOT-BC191345  Chorizanthe leptotheca James L. Reveal; C. Rose Broome 1987-6-27 6611 Riverside San Jacinto Mountains, along the road toward Lake Hemet Campground on the N shore of Lake Hemet, 0.2 mile E of the Lake Hemet Picninc Area and 0.8 mile W of CA Highway 74 1630 Comment
  UCR205447  Chorizanthe leptotheca Lee A. Ripma 2008-6-25 130 Riverside Peninsular Ranges: San Jacinto Mts, Alvin Meadows 1467 Comment
  VVC1505  Chorizanthe leptotheca A. C. Sanders, PJ MacKay, Tim Thomas, O Clarke 1997-5-4 20679 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek. 915 Comment
  CLARK-A1528-3602  Chorizanthe parryi John C. Roos 1950-5-27 4819 Riverside Reche Canyon 761 Comment
  UCR100159  Chorizanthe parryi Scott D. White 1994-4-23 2036 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
  UC450107  Chorizanthe parryi var. parryi F. M. Reed 1907-6-10 1423 Riverside Riverside and vicinity 304 Comment
  UCR189567  Chorizanthe polygonoides var. longispina Andrea Salzman 2006-4-13 066 Riverside Peninsular Range, Lake Skinner; c. 500 m west of Warren Rd by equestrian trial Comment
  CAS-BOT-BC246241  Chorizanthe rigida Peter H. Raven 1958-1-23 11430 Riverside alluvial fan of Fargo Canyon Comment
  RSA263673  Chorizanthe staticoides E. W. Lathrop 1968-6-2 6955 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  UCR177642  Chorizanthe staticoides 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 1189 Comment
  RSA771682  Chorizanthe xanti var. leucotheca Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4985 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
  UCR167057  Chorizanthe xanti var. leucotheca Scott D. White, Jennifer H. Jones 2005-5-24 11098 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  RSA736762  Chrysanthemum coronarium Scott D. White, Lynn Stafford 2007-7-5 11754 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  RSA696805  Chrysothamnus paniculatus Anonymous 1928-12-4 399 Riverside Canon Mouth of Canon West of Morongo Inn. Comment
  UCD103886  Chylismia claviformis Shirley C. Tucker 1957-3-10 3957 Riverside S of Mecca. Comment
  CAS-BOT-BC160626  Chylismia claviformis subsp. aurantiaca L. R. Abrams 1926-3-26 11083 Riverside Between Palm Springs and Indian Wells Comment
  CAS-BOT-BC160640  Chylismia claviformis subsp. aurantiaca Geo. B. Grant 1906-4-20 6768 Riverside Palm Springs Comment
  UCR89755  Cirsium occidentale var. californicum Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3300 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  UC489228  Cirsium scariosum var. congdonii C. V. Meyer 1928-7-1 617 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow 1676 Comment
  CDA15331  Cirsium vulgare J. Chandler 1998-9-22 s.n. Riverside Upper Chase Nursery, 19851 Patterson Ave., Perris. 0 Comment
  UCR150026  Cirsium vulgare Scott D. White, Angelia Carey 2004-5-7 10337 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  RSA466605  Cistanthe monandra Martha Hilend 1928-3-11 100 Riverside Morongo Pass, Colorado Desert region. Comment
  CAS-BOT-BC438965  Cistanthe monosperma Mary F. Spencer 1919-7-6 1264 Riverside Tacquitz [Tahquitz] ridge, San Jacinto Mt. 2377 Comment
  SD247464  Clarkia dudleyana Kate Kramer 2012-5-25 262 Riverside Along Highway 243: between Mt. Edna Road and Vista Grande fire station. 1387 Comment
  CAS-BOT-BC164738  Clarkia rhomboidea H. M. Hall 1901-6-1 2264 Riverside Northwest side, at Schain's Comment
  CLARK-A1528-3372  Clarkia unguiculata John C. Roos, Lucille Roos 1952-4-28 5587 Riverside Fairmount Park 259 Comment
  OBI32523  Claytonia perfoliata subsp. mexicana Richard L. Irwin 1962-4-15 26 Riverside Sycamore Cyn- ca. 1.4 mi S on Cyn Crest Dr from Penn Ave; then to left on dirt rd ca 0.3 mi; then to right about 1/2 mi to end of rd; then over rise and to crk 335 Comment
  UCSB10606  Clematis pauciflora Gill, Robert 1960-3-23 Riverside San Jacinto Mt. Range; Snow Cayon; near end of road 563 Comment
  RSA20088  Cleome isomeris I. W. Clokey, E. G. Anderson 1935-4-17 6641 Riverside Cottonwood Springs. Comment
  JOTR30956  Coleogyne ramosissima La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1931 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  JOTR32629  Coleogyne ramosissima La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2552 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flat, southeast of trailhead heading toward Smith Water Canyon (Stop 2) 1398 Comment
  POM128665  Collinsia concolor E. C. Jaeger 1925-5-1 s.n. Riverside Dripping Spring near Temecula. Comment
  UC1518619  Collinsia concolor Drs. Fosberg, Sachet, & Herbst 1983-4-23 55457 Riverside 3.3 mi n Whitewater Post Office (side canyon on w side of Whitewater Canyon); San Bernardino Mtns 594 Comment
  UCR89571  Collinsia concolor E. N. Anderson 1994-4-20 s.n. Riverside Box Springs Mtns, Two Trees Canyon, above Cassina Spring Comment
  UC26636  Collinsia parviflora H. M. Hall May 1901 1810 Riverside in vicinity of Strawberry Valley (San Jacinto Mountains); San Jacinto Mountains 1600 Comment
  JEPS13823  Colubrina californica Marjorie D. Clary 1935-11-17 2568 Riverside three mi e Mecca-Blythe Road; SE Colorado Desert, southeast slope of Eagle Mountains Comment
  JOTR30263  Colubrina californica Leary, Pat 1987-5-21 3833 Riverside McCoy Spring, McCoy Mountains, T5S R20E sec17 (unsurveyed), [UTMs estimated, January 2010] Comment
  JOTR36454  Colubrina californica La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3424 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; narrow north fork of large canyon w/ cobbley wash and steep rocky walls (Stop 2) 338 Comment
  SBBG13966  Condea emoryi E. R. Blakley 1962-11-25 5483 Riverside 5 mi W of Blythe on US Hwy 60 and 70 121 Comment
  CAS-BOT-BC215980  Convolvulus Steve Boyd; Tim Ross 1991-6-14 6405 Riverside Paloma Valley, between Sun city and Murrieta, E of Hwy I-215, rolling hills just SW of jtn of Briggs Rd. and Scott Rd. Comment
  UCR201951  Convolvulus arvensis Mike Misenhelter 2005-7-12 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 miles E of Sun City, c. 2 mi. SW of Winchester, Hemet U. School Distr. proposed elementary school site, 14 acres on south side of Salt Creek and NE of the intersection of Leon and Patton Rds. 444 Comment
  UCR103480  Convolvulus simulans D. E. Bramlet 1993-4-3 2308 Riverside South Cajalco Bend, c. 61m south of Cajalco Road, at location 3.2 km east of intersection of Cajalco Road and La Sierra Ave., c. 152m east of intersection with old Monument Peak access road 439 Comment
  UC63178  Conyza canadensis H. M. Hall 1901-8-1 Riverside vicinity Riverside 304 Comment
  UCR110416  Conyza coulteri A. C. Sanders, Mitch Provance 1999-9-26 23125 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  SEINET3079759 Image available Cordylanthus filifolius H. S. Gentry 1954-7-26 14255 Riverside Dripping Springs along Rte 79. Comment
  RSA770693  Coreopsis californica Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4794 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  JOTR31012  Coreopsis californica var. californica La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1301 Riverside Joshua Tree National Park. Stop 7: Hexie Mountains, Pleasant Valley, along Geology Tour road loop, just south of where loop begins 1039 Comment
  CAS-BOT-BC228592  Corethrogyne filaginifolia Jeremiah George 2011-9-8 s.n. Riverside Peninsular Range; Elsinore Trough: Lake Elsinore area, Terra Cotta Rd. at Coal Ave, Warm Springs Valley 409 Comment
  POM230199  Corethrogyne filaginifolia I. W. Clokey, E. G. Anderson 1933-8-21 6963 Riverside Keen Camp P. O. [Post Office] Riverside 1350 Comment
Read comments
Oct 30 2011
  POM356161  Corethrogyne filaginifolia M. M. Thompson 1947-8-23 c 2051 Riverside Los Alamos Canyon, Elsinore Mtns. 762 Comment
  SBBG45021  Corethrogyne filaginifolia I. W. Clokey with E. G. Anderson 1935-8-21 Riverside Keen Public Cmpgrd 1950 Comment
  SJSU13579  Corethrogyne filaginifolia C. W. Sharsmith 1945-8-28 5452 Riverside Indian Canyon Cr, Mt San Jacinto 1828 Comment
  UC1119251  Corethrogyne filaginifolia A. Lewis 1934-5-1 458 Riverside 1 mi w La Cienaga; Cleveland National Forest, Elsinore Quadrangle 822 Comment
  SBBG59861  Cornus nuttallii M. Lewis 1947-8-26 25 Riverside N slope of Dark Cyn 1981 Comment
  UCR12684  Coronopus didymus O. F. Clarke, James K. Ryan 1969-5-28 s.n. Riverside City of Riverside. Yard of 1012 Spruce St. 335 Comment
  UCR41815  Cotula australis A. C. Sanders 1986-4-13 6469 Riverside Riverside, Riverside, residential garden, 422 Campus View Drive 335 Comment
  RSA757637  Crassula connata LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4317 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
  SDSU13943  Crassula connata Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2095 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  UCR213620  Crassula connata A. C. Sanders, Matthew Malle 2010-4-23 37990 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  RSA357152A  Crassula solieri R. F. Thorne 1973-5-23 43849 -A Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  SEINET3091112 Image available Cressa truxillensis J. Jacobi 1970-4-30 0430 -4 Riverside Coll. 1 mi. N of Lakeview, Calif in flat, open area. Comment
  UCR88544  Crossosoma bigelovii A. C. Sanders 1995-4-13 16491 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  HSC66726  Croton californicus D. Goforth, D. Reed 1980-3-25 362 Riverside Hwy. 195, 6 mi. E of Mecca, Box Canyon, Mecca Hills. 122 Comment
  RSA770424  Croton californicus Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4874 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
  UCD141953  Croton californicus Barry A. Prigge 1980-8-5 3823 Riverside San Bernardino Mountains, Whitewater Canyon, 0.5 miles N of trout farm. 701 Comment
Read comments
May 17 2016
  UCD141985  Croton californicus G. L. Webster; R. Hildreth 1966-12-11 7474 Riverside Aguanga Valley, above Aguanga. 640 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
  RSA184046  Croton californicus var. mohavensis I. L. Wiggins 1966-11-22 20461 Riverside Along Highway 60 about 1.5 mi. SE of garnet Hill. Comment
  RSA480569  Croton californicus var. mohavensis Christopher Davidson 1979-4-29 7818 Riverside West of Indio, 3 miles E of Date Palm Dr. 15 Comment
  RSA718775  Cryptantha Michael Honer, L. Hulse 2004-4-3 1926 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. 610 Comment
  UCR281493  Cryptantha Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 92 Riverside Temescal Valley, S of the 15 Fwy., 0.3 miles W of Hostettler Rd. 384 Comment
  POM316874  Cryptantha angustifolia Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA562065  Cryptantha angustifolia Steve Boyd, C. Boyd, K. A. Boyd 1992-4-19 6918 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  UCR242121  Cryptantha angustifolia Jim Andre 2011-2-9 15914 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCSB10423  Cryptantha angustifolia Long, Frances 1939-12-31 Riverside Indio Comment
  RSA0127780  Cryptantha angustifolia G. Rink 2013-3-17 11866 Riverside About ten miles west of Blythe, on the proposed Quartzite solar power plant. 125 Comment
  POM14164  Cryptantha barbigera P. A. Munz, D. D. Keck 1922-4-9 4793 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  POM311695  Cryptantha barbigera Wm. Jeffrey 1957-4-3 145 Riverside 1 mile from mouth of Whitwater Canyon. 610 Comment
  POM368288  Cryptantha barbigera Robert Gustafson 1983-3-27 2487 Riverside Dry rocky canyon southwest of Lake Cahuilla . Comment
  UC1329937  Cryptantha barbigera James E. Cole 1941-6-16 917 Riverside Live Oak Park Joshua Tree National Monument 1219 Comment
Read comments
Dec 6 2014
  UCR165812  Cryptantha barbigera 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
  POM96832  Cryptantha barbigera F. M. Reed 1926-3-3 5162 Riverside Wash of Whitewater River near Bridge on Hwy. Comment
  UCR175225  Cryptantha barbigera var. fergusoniae Jim Andre 2006-4-6 6716 Riverside S Mojave Desert, Joshua Tree National Park, c. 50 m north of the Keys View Parking area, at south end of Little San Bernardino Mtns 1553 Comment
  UCR180142  Cryptantha corollata Mitch Provance 2003-4-26 9901 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
  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
  UCR279375  Cryptantha decipiens A. C. Sanders, Jim Malusa 2017-3-24 42953 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  CAS-BOT-BC218800  Cryptantha holoptera Marcus E. Jones 1906-4-25 s.n. Riverside West of Yuma Comment
  RSA710002  Cryptantha holoptera Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4593 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  CLARK-A1528-2216  Cryptantha intermedia John C. Roos 1950-4-22 4746 Riverside Pigeon Pass 457 Comment
  CSUSB1181  Cryptantha intermedia I. Rauch 1968-3-6 S. N. Riverside Box Springs Mountains Box Springs Mountains 609 Comment
  RSA779066  Cryptantha intermedia C. P. Cowan 1978-4-25 1277 Riverside 6.7 (10.7 km) miles SW on 74 from jct. with 71, 4.6 (7.3 km) miles from Lake Elsinore, Santa Ana Mountains, Cleveland National Forest. Whittaker transect #W-229. Comment
  RSA786076  Cryptantha intermedia C. P. Cowan 1978-4-24 1251 Riverside 19.6 mi S on Hwy 74 from its jct with Hwy 111 at Indian Wells. Sta. Rosa Road, 1 mi S of 74. Whittaker transect no.W-225(voucher). Comment
  SBBG37501  Cryptantha intermedia R. N. Muller 1967-4-8 3 Riverside ca. 2 mi W of St Hwy 62 on Mission Crk Rd, 4.7 mi N of jct between US Hwy 60 and St Hwy 62 579 Comment
  UC1605428  Cryptantha intermedia Steve Boyd 1986-4-2 1600 Riverside Harford Springs Co. Park Gavilan Hills, Gavilan Plateau, Harford Springs Co. Park 609 Comment
  UC217988  Cryptantha intermedia P. A. Munz and I. M. Johnston 1922-5-19 5317 Riverside 3 mi e Murietta 457 Comment
  UCR276079  Cryptantha intermedia T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3799 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  POM9602  Cryptantha intermedia I. M. Johnston 1920-5-8 s.n. Riverside Butte due west of Lakeview Comment
  SEINET10456281  Cryptantha intermedia Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-15 Conrad 7144 Riverside Scattered Yellow Pine at margin of large valley, 5.9 mi SE of jct of Idlewild Road & Hwy 74 on 74. 1341 Comment
  RSA0033751  Cryptantha maritima Jim Andre 2013-3-27 24831 Riverside Riverside Mountains; along Wilson River Crossing Rd., 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct. 114 Comment
  UCR116599  Cryptantha maritima A. C. Sanders 2001-4-8 23987 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  UCR148863  Cryptantha maritima S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  HSC79082  Cryptantha micrantha G. K. Helmkamp 1984-5-5 - 11 Riverside Little San Bernardino Mtns., Big Morongo Canyon, 4 mi. below the caretaker's house at the Big Morongo Preserve 549 Comment
  UCR79234  Cryptantha micromeres Steve Boyd, Orlando Mistretta 1992-4-23 7060 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon 305 Comment
  UC1114559  Cryptantha microstachys Peter H. Raven 1958-5-17 12949 Riverside 7.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  UCR199742  Cryptantha microstachys Scott D. White, Justin Wood 2008-5-29 12047 Riverside Beaumont Badlands, West of Beaumont, near SR-60 crossing over San Timoteo Creek 671 Comment
  UC61114  Cryptantha muricata Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  RSA772061  Cryptantha muricata var. jonesii Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4627 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET1004955  Cryptantha nevadensis var. rigida A. C. Sanders 1993-1 13754 Riverside Cajon Pass, 0.8 mi E of Cajon Junction on Hwy 138, Crowder Canyon. 1000 Comment
  RSA0041943  Cryptantha racemosa Duncan S. Bell, Loraine Washburn 2014-4-10 6592 Riverside Orocopia Mountains; northeastern section of range; approximately 4 air miles southeast of Hayfields Lake. 559 Comment
  RSA499792  Cryptantha racemosa Albert J. Perkins 1916-4-16 s.n. Riverside Palm Springs. Comment
  RSA80747  Cryptantha racemosa F. W. Peirson 1921-3-23 2377 Riverside Deep Canyon south of Coachella Valley 335 Comment
  UC857248  Cryptantha racemosa C. L. Hitchcock 1940-3-31 5892 Riverside between Cottonwood Springs and Pinto Basin Comment
  UCR101577  Cryptantha racemosa Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR279564  Cryptantha utahensis A. C. Sanders, Jim Malusa 2017-3-29 43171 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  UCR271362  Cucurbita foetidissima A. C. Sanders, Amy Litt & UCR Pl. Taxonomy Class 2016-5-7 42465 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 canyon south of the lab near old original house site 475 Comment
  CHSC98226  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. UTM: 11S 0488948E 3735311N 550 Comment
  JEPS46524  Cucurbita palmata W. L. Jepson 1912-10-28 5234 Riverside near Riverside Mts. (Colorado River); Colorado River 91 Comment
  RSA289815  Cucurbita palmata B. A. Prigge 1980-9-16 4044 Riverside Indio. Coachella Valley Stormwater Channel. 0 Comment
  UCR100369  Cucurbita palmata A. C. Sanders, T. Tennant 1997-11-14 21600 Riverside San Bernardino Mtns., Morongo Indian Reservation, sag pond at SE end of Burro Flats 1110 Comment
  UCR241236  Cucurbita palmata Tracy Tennant, Jeffrey Ross 1998-7-30 MOR- 679 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, lower Hathaway Canyon below the road fork 854 Comment
  SEINET4896208  Cupressus macrocarpa H. F. Thut 1971-1 Riverside near Redlands Comment
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Jul 19 2015
  UCR37448  Cupressus sempervirens Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills, upper Arroyo del Toro along old road grade (Lindell Rd.) west of Bull Canyon Road, at old homestead site 610 Comment
  CAS-BOT-BC224383  Cuscuta Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  UCR214153  Cuscuta denticulata T. B. Salvato 2010-4-20 4052 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  RSA0059450  Cylindropuntia californica var. parkeri Lyman Benson 1963-7-13 16388 Riverside 1/2 mile north of Aguanga. 610 Comment
  SEINET5624452 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17726 Riverside Chuckwalla Mountains, just south of Corn Springs Wash, 250m east of its confluence with Irish Wash, 500m NW of Aztec Well, 74 km west of Blythe; Desert Center 7.5' USGS topographic quadrangle 641 Comment
  RSA0098477  Cylindropuntia echinocarpa Marc A. Baker 2015-4-14 18325 Riverside San Gorgonio Pass, south base of the San Bernardino Mountains, 24 km NW of central Palm Springs, 3 km ENE of Cabazon. 559 Comment
  UCR230771  Cynanchum utahense A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37499 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  RSA0119883  Cynodon dactylon Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9077 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
  UCR84066  Cynodon dactylon A. C. Sanders, L. Ard 1994-7-11 15057 Riverside San Bernardino Mtns., Cherry Valley, irrigated landscaping at the Edward Dean Museum, Oak Glen Road, 1 mi north of Orchard St. 1000 Comment
  UCR34201  Cynosurus echinatus Jan West 1984-6-1 s.n. Riverside Landscaped bank at the south edge of the Bannockburn parking lot, UC Riverside campus Comment
  POM228970  Cyperus eragrostis L. C. Wheeler 1932-9-4 1333 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA522103  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3796 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  POM10323  Cyperus esculentus Anonymous s.n. Riverside Below West Riverside bridge. Comment
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Mar 15 2014
  RSA365083  Cyperus odoratus Joseph A. Ewan 1931-10-3 5215 Riverside Santa Ana River 4 mi NW of Corona. Comment
  UCR207614  Cyperus rotundus O. F. Clarke 2003-9-29 s.n. Riverside Peninsular Range; Box Springs Mtns. Foothills, Riverside, UCR Campus 335 Comment
  RSA788862  Cyperus squarrosus G. D. Wallace 2003-7-8 4040 Riverside Hidden Lake. Comment
  CLARK-A1528-2765  Dalea californica John C. Roos 1937-6-15 445 Riverside Palm Springs Comment
  CSUSB1206  Dalea californica Steven J. Southwell 1971-5-7 Riverside Colorado Desert West Colorado Desert. Windy Gap Sand dune, west of Palm Springs on highway 111, 200 feet west of road. 304 Comment
  CLARK-A1656-872  Dalea emoryi Jim Cornett 1977-6-25 Riverside Desert Hot Springs 374 Comment
  JOTR38527  Dalea mollis Harding, Mitzi, Kipp Callahan 2012-8-27 296 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill 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
  RSA703741  Dalea mollis LeRoy Gross 2005-3-3 1557 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  RSA498347  Dalea mollis Albert J. Perkins 1914-05 s.n Riverside Riverside vicinity Comment
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Sep 3 2011
  RSA0107853  Dalea mollissima Duncan S. Bell, Amanda Turek 2009-3-30 163 Riverside Southeast section of the Arica Mountains; approximately 0.75 air mile west southwest of Priest Well. 332 Comment
  RSA644208  Dalea mollissima V. W. Steinmann 1999-10-26 1413 Riverside foothills of the Chuckwalla Mountains, open desert ca. 0.5 km south of Desert Center. 275 Comment
  SEINET906526  Dalea mollissima H. M. Hall 1905-1 5792 Riverside 9 miles west of Coachella 30 Comment
  UC700948  Dalea mollissima Aven and Ruth Nelson 1939-3-29 3309 Riverside between Mecca and Hidden Springs Comment
  UCSB43913  Dasyochloa pulchella Oberholtzer, M. 1980-3-30 Riverside Willey's Well, 10.0 mi SE of Blythe, 0.25 mi N of parking lot on trail to geode diggings 76 Comment
  UCR113883  Datura stramonium Mitch Provance, A. C. Sanders 2000-7-4 2079 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA773039  Datura wrightii Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5043 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
  UC884535  Datura wrightii I. W. Clokey 1935-4-17 6876 Riverside Shafer Wells Comment
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Apr 24 2011
  SEINET13943946 Image available Daucus pusillus H. B. Frost 1914-1 H. B. F. 1328 a & b Riverside Riverside C.E.S. Comment
  CAS-BOT-BC294113  Deinandra kelloggii H. A. Dutton 1899-6-12 s.n. Riverside Warm Springs Valley, Elsinore Comment
  CAS-BOT-BC294115  Deinandra kelloggii L. R. Abrams 1912-7-11 4921 Riverside Sugar Loaf [Sugarloaf] Valley Comment
  UC1792826  Deinandra kelloggii A. C. Sanders 2004-4-9 27469 Riverside San Jacinto Valley; Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side 472 Comment
  RSA714017  Deinandra paniculata R. E. Riefner 2004-8-27 04 -398 Riverside N of La Sierra Heights; NE ca. 0.25 mi off Arlington Ave. along dirt access road to Hidden Valley Wildlife Reserve. 221 Comment
  UCR266426  Deinandra paniculata D. E. Bramlet, Bill Wagner 2009-10-19 4403 Riverside Peninsular Range, Riverside, Sycamore Canyon Reserve, c. 0.75 km north of Allesandro Blvd., west of Sycamore Canyon Blvd., along dirt pole line road 470 Comment
  UCR266603  Deinandra paniculata Mitch Provance 2011-6-6 17001 Riverside Edgemont area of Moreno Valley, from the northbound I-215 onramp at Allesandro Blvd., east to Old 215 Frontage Rd. 466 Comment
  UCSB36658  Delphinium parishii subsp. parishii Brownell, Kathleen 1980-5-16 Riverside 3 mi S. on Tenaja Rd; from Calle Colina; Santa Ana Mts Comment
  HSC85399  Delphinium parryi Steve Boyd 1986-4-19 1712 Riverside Temescal Canyon: flats at SE end of Alberhill Mtn. 396 Comment
  PASA2553  Delphinium parryi Frank W. Peirson 1922-5-18 3051 Riverside Road south of Lake Elsinore 377 Comment
  RSA356748  Delphinium parryi Robert F. Thorne 1973-5-23 45514 Riverside Santa Rosa Plateau: N side of Mesa de Colorado. Santa Ana Mountains 610 Comment
  SEINET7072850  Delphinium parryi A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Tececula and at the junction with Route 395 (115). Coordinate datum: WGS84/NAD83. (33? deg. 30' 3" North Latitude, -117? deg. 9' 3" West Longitude, Coordinate datum: NAD27.). Comment
  CAS-BOT-BC121422  Delphinium parryi subsp. parryi Steve Boyd 1986-4-22 1766 Riverside Temescal Canyon: Terrace escarpment W side of Indian Wash, S of I-15. Comment
  CAS-BOT-BC121427  Delphinium parryi subsp. parryi H. Lewis 1941-7-7 s.n. Riverside Lake Hemet Comment
  UCR16757  Delphinium patens subsp. hepaticoideum G. R. Ballmer 1965-3-21 s.n. Riverside Peninsular Range, Base of Santa Ana Mountains, 5 mi. south of Glen Ivy Hot Springs 396 Comment
  CAS-BOT-BC82956  Dendromecon rigida Steve Boyd 1986-4-22 1748 Riverside Temescal Canyon. Benches of Indian Wash just south of Interstate 15. Comment
  UCR201675  Deschampsia danthonioides Scott D. White, Justin M. Wood 2008-6-19 12267 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  CAS-BOT-BC201724  Deschampsia elongata Ralph Hoffmann 1929-9-6 s.n. Riverside Tahquitz Valley, San Jacinto Mt. 2438 Comment
  OBI23316  Descurainia Robert F. Hoover 1969-4-14 11241 Riverside Palm Springs, just S of South city limit Comment
  CAS-BOT-BC43096  Descurainia nelsonii Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9538 Riverside 2 miles from Cottonwood Springs, Cottonwood Mountains. Comment
  CLARK-A1528-5138  Descurainia pinnata John C. Roos 1952-3-26 5414 Riverside Riverside 259 Comment
  CAS-BOT-BC43352  Descurainia pinnata subsp. glabra Geo. B. Grant 1906-4-20 6767 Riverside Palm Springs. Comment
  JOTR37745  Descurainia pinnata subsp. glabra Hodges, Stephen R., Aliya Ingersoll 2016-2-24 659 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Upper Long Canyon Comment
  UC68539  Descurainia pinnata subsp. glabra H. M. Hall Apr 1905 5887 Riverside Chuckwalla Bench; Colorado Desert Comment
  RSA740649  Descurainia sophia Scott D. White, Justin M. Wood 2008-6-19 12272 Riverside Meadows at Baldy Mtn. 1585 Comment
  CSUSB964  Dicentra chrysantha Richard Sayre 1972-5-7 Riverside Santa Rosa Road 7 miles from Murietta. Comment
  RSA527855  Dichelostemma capitatum subsp. capitatum Scott D. White 1991-5-10 91 -155 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  SD153003  Dichelostemma capitatum subsp. capitatum Steve Boyd, Tim Ross 1992-5-4 7183 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness area, Oak Flats area east of Verdugo Potrero. Rolling terrain. Common on heavy soil, native grassland and adjacent openings in chaparral and oak woodland. 730 Comment
  RSA367527  Dichelostemma capitatum subsp. pauciflorum N. C. Cooper 1944-4-8 1093 Riverside San Bernardino National Forest, San Jacinto Mountains: Andreas Canyon (near Palm Springs) 457 Comment
  UCR150041  Digitaria sanguinalis Scott D. White, Brian Leatherman 2004-10-7 10768 Riverside Perris Basin, city of Perris, immediately east of the I-215 Freeway, at Watson Road 434 Comment
  UCR93088  Digitaria sanguinalis A. C. Sanders, S. Ogg 1994-7-28 15179 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  SBBG66720  Diplacus bigelovii var. bigelovii M. N. Ackley -Feb-1926 1054 Riverside near Edom 64 Comment
  CAS-BOT-BC150679  Diplacus longiflorus Carl B. Wolf 1932-5-24 3657 Riverside No. base of San Jacinto Mts. Snow Creek Canyon, 1 mi. above fish hatchery 792 Comment
  RSA0018427  Diplacus longiflorus var. calycinus Robert F. Thorne, C. W. Tilforth, J. P. Simon 1969-6-24 38133 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmor. 1677 Comment
  RSA0018431  Diplacus longiflorus var. longiflorus Scott D. White, Michael Honer 2004-4-6 10042 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  SEINET8245387  Diplacus puniceus D. W. McNeal 1981-3-30 2437 Riverside above Hwy. #74 ca. 6.0 mi. w. of Interstate #15 at Lake Elsinor. Comment
  RSA562484  Distichlis spicata Steve Boyd, Timothy S. Ross 1992-5-5 7252 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  CLARK-A1528-2693  Ditaxis lanceolata John C. Roos 1940-3-30 894 Riverside Whitewater Comment
  RSA793458  Ditaxis lanceolata Duncan S. Bell, John Anderson, Keir Morse 2012-11-11 4376 Riverside Mecca Hills: upper branch of Hidden Spring Canyon, approximately 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto. 250 Comment
  SEINET3004975  Ditaxis lanceolata G. Rink 2011-3-30 10401 Riverside Northwest of Blythe, east of the McCoy Mtns, swale in desert pavement 152 Comment
  RSA0104609  Ditaxis neomexicana Duncan S. Bell, Evan Meyer 2014-10-29 7677 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
  UCR245988  Ditaxis neomexicana Duncan S. Bell 2012-9-13 4188 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  RSA0029327  Dithyrea californica Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4684 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  RSA676143  Dithyrea californica Scott D. White 2001-4-12 8301 Riverside Colorado Desert: Shaver s Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  RSA721993  Dithyrea californica J. R. Bruff s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  UC1126909  Dithyrea californica H. S. Yates 1937-3-23 6406 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  RSA487199  Dodecahema leptoceras James L. Reveal 1988-5-23 6863 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
  RSA5472  Dodecatheon alpinum subsp. majus Carl B. Wolf 1932-8-5 s.n. Riverside On trail from Tahquitz Valley to San Jacinto Peak; head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  UCR2902  Dodecatheon clevelandii Paul W. White 1963-4-30 43063- 01 Riverside Murrieta 2 miles out [west] of Murrieta on Tenaja Road 549 Comment
  SD136778  Dodecatheon clevelandii subsp. clevelandii Steve Boyd, Orlando Mistretta 1992-4-22 7020 Riverside San Mateo Wilderness Area. Indian Potrero south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  UC219103  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
  UC494460  Draba cuneifolia Philip A. Munz 1932-3-15 12009 Riverside Deep Canyon Coachella Valley, Deep Canyon 91 Comment
  POM212327  Drymocallis glandulosa Carl B. Wolf 1931-5-11 1961 Riverside San Jacinto Mountains: rocky places near Pipe Creek, above Hemet Valley 1677 Comment
  POM48590  Drymocallis glandulosa var. viscida Mary F. Spencer 1919-7-6 1372 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mountains. 2378 Comment
  SEINET784712  Drymocallis glandulosa var. viscida Malcolm G. McLeod 1971-6-22 462 Riverside Idyllwild Comment
  RSA40400  Dryopteris arguta Sara Schenck 1948-02 s.n. Riverside small valley near Desert Queen Mill Site, Joshua Tree National Monument, Little San Bernardino Mountains. Comment
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Nov 6 2011
  UC1495654  Dryopteris arguta R. T. Clausen 1963-4-23 63061 Riverside ridge s of Red Mt.; Transverse Ranges 1000 Comment
  UC2059985  Dudleya abramsii K. Nakai 1981-1-22 703 Riverside San Bernardino Mountains, N shore of Lake Baldwin, 1.4 mi E of junction of Highway 18 & 38 on Highway 18. Comment
  RSA463691  Dudleya edulis Steve Myers 1987-6-24 s.n. Riverside Murrietta Creek, at confluence with Temecula Creek, near the town of Murrieta. 290 Comment
  RSA674956  Dudleya edulis Scott D. White, Teresa Salvato 2001-6-8 8564 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  RSA180468  Dudleya lanceolata E. W. Lathrop 1960-5-27 5227 Riverside 6 miles west of Murrieta. 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
  RSA771357  Dudleya saxosa subsp. aloides Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4450 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  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
  UC64466  Echinocereus engelmannii subsp. engelmannii H. M. Hall 1897-4-17 452 Riverside White-water Comment
  CAS-BOT-BC540733  Echinochloa colona Sarah J. De Groot; Amy Rouillard 2015-9-15 7563 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  UCR92782  Echinochloa crus-galli Scott D. White 1995-7-7 4355 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  UCR19192  Eclipta prostrata John C. Roos 1965-7-5 s.n. Riverside Sonoran (Colorado) Desert, Thermal Airport Comment
  SDSU14052  Ehrharta longiflora Michael Powers 2002-4-2 9 Riverside North of Santa Margarita riverbed in Santa Margarita Ecological Reserve. 800 feet east of parking lot. 229 Comment
  RSA593897  Elatine chilensis Steve Boyd, Dave Bramlet 1996-4-19 8610 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  JEPS19327  Eleocharis acicularis Carl V. Meyer 1928-7-27 566 Riverside Hidden Lake San Jacinto Mts. (shore) 2651 Comment
  SD260146  Eleocharis geniculata Mitch Provance 2012-8-1 712 4 Riverside Colorado Desert: Thousand Palms Canyon Road, A+-2/3 of the way up into the canyon. (Myoma 7.5'Q) 139 Comment
  SD148281  Eleocharis montevidensis A. C. Sanders, Mitch Provance 2001-5-7 24170 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd, 0.5-0.75 mi. E of State St, bet. Silver Dew Dr & Morse Girard St, slopes & wash below mouth of Avery Canyon; Hemet 7.5' quad. In wet mud at the spring, but only there. 502 Comment
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Mar 24 2011
  UC1563126  Eleocharis montevidensis Steve Boyd, Tim Ross, Laurel Arnseth 1989-5-7 3548 Riverside just S of Vail Lake (pond and freshwater marsh in Kolb Creek) Comment
  UCR118160  Eleocharis montevidensis S. J. Myers, Chet McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  RSA535399  Eleocharis palustris Steve Boyd 1986-5-1 1784 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  RSA544428  Eleocharis palustris Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6333 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  RSA708179  Eleocharis parishii Scott D. White, Angelia Carey 2004-5-7 10323 Riverside Indian Creek and adjacent foothills. 549 Comment
  CAS-BOT-BC418621  Eleusine indica R. E. Riefner, Jr. 2013-10-29 13 225 a Riverside La Sierra, along La Sierra Ave. at Sierra Tree St. 243 Comment
  SD247285  Elymus condensatus T. B> Salvato, Matt MallA^ 2014-5-29 8018 Riverside Perris-Aguanga Basin: Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Road and 4.3 southeast of Canyon Lake (Romoland 7.5'Q) 534 Comment
  UCR167843  Elymus condensatus T. B. Salvato, Melissa Clemons 2005-6-23 1330 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  UCR260552  Elymus condensatus T. B. Salvato, Matt Malle 2014-5-29 8018 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  UC38265  Elymus elymoides subsp. elymoides H. M. Hall 1899-5-1 1114 Riverside San Jacinto Mt. San Jacinto Mountains 1524 Comment
  UCR22193  Elymus glaucus E. W. Lathrop 1960-6-8 4901 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau; 14 miles west of Murrieta Comment
  SEINET4208316  Elymus glaucus subsp. glaucus Steve Boyd, Tim Ross 1992-6-10 7641 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 of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek.; 0 671 Comment
  UCR44199  Elymus glaucus subsp. glaucus A. C. Sanders 1986-6-1 6540 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  RSA507944  Elymus glaucus subsp. virescens Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2262 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  UCR213878  Elymus hispidus Scott D. White, Justin M. Wood 2008-6-16 12123 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  CAS-BOT-BC234140  Elymus multisetus Le Roy Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  JEPS1595  Emmenanthe penduliflora W. L. Jepson 1901-5-22 1363 Riverside upper part Palm Canyon; Mt. San Jacinto Comment
  JOTR34048  Emmenanthe penduliflora var. penduliflora La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2948 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; above trail to Lost Horse Mine on basalt outcrop with scree slopes Comment
  RSA679112  Emmenanthe penduliflora var. penduliflora M. Wall, Sean Wall 2003-4-26 307 Riverside NE of Skinner Reservoir, Rawson Canyon, Rawson Rd. 2.7 miles from jct. with Washington Ave. Comment
  CAS-BOT-BC131161  Encelia actoni Lewis S. Rose 1935-12-23 35698 Riverside Above Deep Canyon, San Jacinto Mts. 914 Comment
  RSA28641  Encelia actoni Louise Kellogg, A. M. Alexander 1941-5-18 2197 Riverside 2 miles NE of Cottonwood Spring, Eagle Mtns. Comment
  SD144051  Encelia actoni Scott D. White 1997-5-25 5225 Riverside Bautista Canyon: Along Bautista Cyn Rd., < 1.3 road miles NW of Hixon Trailhead (USFS No. 2E43). Comment
  JOTR01257  Encelia actoni Cole, James E. 1942-5-19 969 Riverside Joshua Tree National Park. WHITE TANK AREA 1280 Comment
  POM4956  Encelia californica H. M. Hall 1902-04 2922 Riverside Vicinity of Riverside 366 Comment
  CLARK-A1656-718  Encelia farinosa unknown 1981-3-14 Riverside Coachella Valley Comment
  SBBG55839  Encelia farinosa J. Caldwell 1970-3-24 18 Riverside Chino Cyn, ca. 2 mi up Tramway Rd off Hwy 111 457 Comment
  UCR97262  Encelia farinosa Scott D. White 1993-3-12 1166 Riverside Near Winchester 466 Comment
  SD240854  Encelia farinosa var. phenicodonta Dave Silverman, Mark Bibbo 2010-3-31 7837 Riverside UTM in Supplement. Southern McCoy Mtns, east bajada flank, 1.5 km west of Black Creek Rd, 6.5 km north of I-10, and 6.9 km EME of McCoy Pk. 177 Comment
  JOTR38663  Encelia frutescens Hodges, Stephen R. 2017-2-1 669 Riverside Joshua Tree National Park. Eagle Mountains, just inside the park boundary on the road to Pinto Wells Comment
  UC68861  Encelia frutescens H. M. Hall 1905-4-1 5859 Riverside near Canon Springs; Colorado Desert Comment
  SD229014  Ephedra aspera Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 898 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  CAS-BOT-BC81547  Ephedra californica Philip A. Munz 1940-3-22 15657 Riverside [Whitewater] White Water Canyon, 2 miles north of Banning-Indio boulevard Comment
  CLARK-A1656-719  Ephedra californica Theo Glenn 1981-3-14 Riverside Whitewater Canyon Comment
  UCR72190  Ephedra californica Theo Glenn 1991-5-2 91- 123 Riverside Sonoran (Colorado) Desert, Arica Mtns., SW of Rice 340 Comment
  RSA678363  Ephedra nevadensis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10502 Riverside West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  RSA273009  Epilobium canum subsp. canum C. W. Tilforth 1978-10-6 1712 Riverside About 2 miles south-west of Murrieta in small canyon along road to De Luz. Comment
  UCR22126  Epilobium canum subsp. canum Steve Boyd 1980-7-6 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA509568A  Epilobium ciliatum Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  UCR115947  Epilobium ciliatum Mitch Provance 1998-6-11 670 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  SD181430  Epilobium densiflorum Scott D. White 2000-8-5 8108 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to South Fork, San Jacinto River). 1402 Comment
  SD193324  Epilobium densiflorum A. C. Sanders, Kelly Volansky 2005-8-31 31578 Riverside Santa Rosa Plateau, hills west of headwaters of De Luz Creek; 0.5 mile north of Tenaja Rd. 671 Comment
  UCR14844  Epilobium densiflorum A. C. Sanders, O. F. Clarke, Dan Vossler 1975-7-23 439 Riverside Santa Ana Mtns., Santa Rosa Plateau, west of Murrieta, c. 1/2 mile west of large vernal pool on Mesa de Colorado. 610 Comment
  UCR201639  Epilobium densiflorum Scott D. White, Justin M. Wood 2008-6-18 12213 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  RSA381719  Epipactis gigantea George Henry Grinnell 1923-5-26 s.n. Riverside Riverside. Comment
  RSA652885  Equisetum hyemale var. affine John Wallace 1991-5-5 12 Riverside Colorado River, Palo Verde Dam. 5 yards east of outflow foot bridge. Comment
  IRVC27429  Eragrostis barrelieri A. C. Sanders, S. Ogg 1994-7-28 15168 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  UCR25241  Eragrostis mexicana subsp. mexicana John C. Roos 1952-5-14 5659 Riverside San Bernardino Valley, Riverside, corner of Iowa Avenue and 8th Street 305 Comment
  SD233694  Eragrostis pectinacea var. pectinacea A. C. Sanders, T. Schram & D. Wappler 1994-10-4 15770 Riverside San Jacinto Mountains: north slope of the mtns.; Twin Pines Creek below confluence with Brown Creek in the vicinity of the dirt road crossing. 853 Comment
  UCR113870  Eragrostis pilosa Mitch Provance, A. C. Sanders 2000-7-4 2082 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  JOTR31898  Eremalche rotundifolia La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2147 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash Comment
  RSA4931  Eremalche rotundifolia Carl B. Wolf 1932-4-27 3067 Riverside Colorado Desert, Chuckwalla Valley, 16 mi. east of Desert Center. 122 Comment
  UCR148313  Eremalche rotundifolia John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 23 and 24, at Kaiser RR trestle over the canal, between Salt Creek and Hunters Spring 23 Comment
  POM312754  Eremocarpus setiger D. Taylor 1952-10-30 394 Riverside Santa Ana Mts., head of Sycamore Canyon-near Riverside. 457 Comment
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Mar 27 2014
  SBBG63720  Eremocarya micrantha M. N. Ackley -Feb-1926 38 Riverside near Edom 64 Comment
  UCR279339  Eremothera chamaenerioides A. C. Sanders, Jim Malusa 2017-3-23 42951 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  SD239835  Eremothera refracta Dave Silverman, Mark Bibbo 2010-3-31 7894 Riverside Southern McCoy Mountains, east bajada flank, 1.5 km west of Black Creek Road, 6.5 km north of I-10, and 6.9 km ENE of McCoy Peak. 177 Comment
  RSA0105503  Eriastrum densifolium subsp. austromontanum John F. Emmel 1978-7-17 615 Riverside Santa Rosa Mountains; Mountain Home Springs. 1921 Comment
  UCR95954  Eriastrum densifolium subsp. densifolium Scott D. White 1996-8-1 4403 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  SD132322  Eriastrum densifolium subsp. elongatum B. Pitzer, B. L. Phillips 1988-7-1 1481 Riverside Dripping Springs area, south of Vail Lake, north of Highway 79, and between Kolb and Arroyo Seco Creeks. 487 Comment
  RSA0120088  Eriastrum eremicum subsp. eremicum Peter L. Morrell, D. E. Krause 1995-5-1 460 Riverside Coachella Valley, NW corner of Baristo Rd. and El Cielo Rd., near cargo entrance to Palm Springs Municipal Airport 123 Comment
  UC667329  Eriastrum eremicum subsp. eremicum Annie M. Alexander and Louise Kellogg 1941-5-23 2219 Riverside 4 mi ne Cottonwood Spring; Colorado Desert, Eagle Mountains 1112 Comment
  UC130497  Eriastrum sapphirinum Charlotte M. Wilder 1909-7-15 959 Riverside at gate near keeper's house; Hemet Valley Comment
  UCR21965  Eriastrum sapphirinum Steve Boyd 1980-5-20 292 Riverside Harford Springs County Park, NW corner of the Gaviln Plateau. S fork of the creek, S end of park Comment
  CAS-BOT-BC187906  Eriastrum sapphirinum subsp. dasyanthum Clare B. Hardham 1965-6-17 12950 Riverside Near Banning, San Jacinto Mountains Comment
  RSA0121585  Eriastrum sapphirinum subsp. dasyanthum F. W. Peirson 1920-6-22 4474 Riverside Dripping Spring southeast of Temecula 457 Comment
  RSA0122962  Eriastrum sapphirinum subsp. sapphirinum E. K. Balls, P. C. Everett 1957-8-20 22679 Riverside Along State Hwy. 74, SE of Hemet Reservoir, S end San Jacinto Mountains. 1357 Comment
  RSA489839  Ericameria cuneata D. Charlton 1988-5-28 2137 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area 2286 Comment
  RSA696866  Ericameria linearifolia J. Russell Bruff 1928-12-4 s.n. Riverside 1 mi. W. of Split Rock. Comment
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Oct 23 2011
  SD84904  Ericameria linearifolia Nancy Ryan Zabriskie, Walter Zabriskie 1972-3-30 491 Riverside West of Sugarloaf Mountain along Carrizo Road. 1220 Comment
  RSA696813  Ericameria monactis W. Marquart 1938-3-12 s.n. Riverside Mule Mts. S. of Chuckawalla Range. Comment
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May 28 2014
  CDA32894  Ericameria palmeri Mike Lahti 2009-10-13 PDR# 1501838 Riverside Hemet. Found off Deportola Road. 0 Comment
  SD229092  Ericameria parishii var. parishii Dick Schwenkmeyer 2011-8-25 651 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  UCD131579  Ericameria pinifolia A. C. Sanders; T. Tennant 1997-11-14 21603 Riverside San Bernardino Mountains: Morongo Indian Reservation, Hathaway Canyon. 854 Comment
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Dec 14 2016
  UCR92756  Ericameria pinifolia F. M. Reed 1933-11-6 8309 Riverside Peninsular Range; Santa Rosa Mtns, Santa Rosa Indian Reservation 1402 Comment
  UCD131707  Erigeron bonariensis Leslie Ede 1974-6-1 s.n. Riverside Blythe. Comment
  RSA747863  Erigeron divergens Justin M. Wood 2009-5-11 684 Riverside Morris Ranch Rd., roadside just E of Tripp Meadow. 1616 Comment
  RSA655046  Erigeron foliosus Scott D. White 1999-6-6 7439 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  RSA786089  Erigeron foliosus J. D. Olmsted 1958-6-15 190 Riverside On N Fork San Jacinto River, 1 mile above its intersection with M[iddle] Fork San Jacinto River near the Hemet-Idyllwild Road.; Mt. range: San Jacinto Mts.; drainage area: San Jacinto River. 732 Comment
  UCR174063  Erigeron foliosus A. C. Sanders 2006-5-19 32440 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR201863  Eriochloa acuminata Justin M. Wood 2008-8-31 127 Riverside Perris Basin, Romoland, 1/4 mi south of Ethanac Road between San Jacinto Road and Palomar Road just south of railroad tracks 448 Comment
  LA102173  Eriochloa aristata var. aristata John C. Roos; 1965-9-26 sn Riverside Indio Comment
  CAS-BOT-BC189086  Eriodictyon crassifolium Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-24 397 Riverside Water service road above crossing of Deep Canyon, N slope Santa Rosa Mountains 1316 Comment
  UCSB11620  Eriodictyon crassifolium Wisehart, Karen 1962-5-5 Riverside Along road to Idyllwild, 2.2 miles south of Banning train station 792 Comment
  UCR91619  Eriodictyon crassifolium var. crassifolium D. L. Banks, Steve Boyd 1995-3-30 127 Riverside Agua Tibia Mountains Watershed, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., west of the Dripping Springs Alcove, on the Woodchuck Trail 634 Comment
  CAS-BOT-BC248629  Eriogonum apiculatum Philip A. Munz 1937-5-30 15110 Riverside Dos Palmos Spring, north end Santa Rosa Mts. 1097 Comment
  RSA766333  Eriogonum davidsonii Shearer 1930-09 s.n. Riverside Strawberry Valley. San Jacinto Mts. 1616 Comment
  UCR82769  Eriogonum davidsonii A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15777 Riverside San Jacinto Mtns., N slope of mtns.: Twin Pines Creek drainage, Azalea Creek and a tributary gully from the west 1189 Comment
  JEPS57030  Eriogonum deflexum var. deflexum Marjorie D. Clary 1932-12-18 1737 Riverside Clemens Well Orocopia Mts., Clemens Well 152 Comment
  UCD99954  Eriogonum elongatum var. elongatum E. K. Balls; P. C. Everett 1957-11-4 22750 Riverside Snow Creek, about old Fish Hatchery, north base of San Jacinto Mountains. 701 Comment
  SD247480  Eriogonum fasciculatum subsp. polifolium T. B. Salvato 2014-3-29 8026 Riverside Perris-Aguanga Basin: Menifee, northeast corner of Bundy Canyon Road and Debon Street, about 0.7 mile west of Murrieta Rd. and 4.4 mile southeast of Canyon Lake. 537 Comment
  CAS-BOT-BC250141  Eriogonum fasciculatum var. polifolium Carl B. Wolf 1932-5-24 3644 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1/2 mi. below fish hatchery 548 Comment
  LA206832  Eriogonum fasciculatum var. polifolium H. Lewis; 1952-4-5 sn Riverside Road to 29 Palms 1 mi. S of road to Desert Hot Springs Comment
  RSA766105  Eriogonum fasciculatum var. polifolium Marjorie D. Clary 1932-5-3 1025 Riverside Devil's Canyon, west side Coachella Valley. Comment
  SD259054  Eriogonum fasciculatum var. polifolium Sarah J. De Groot, Thomas Stoughton 2016-4-19 7801 Riverside Santa Rosa Mountains; along Dunn Road between Haystack and Asbestos Mountains, east of Potrero Spring, near head od Dead Indian Creek. Southwest of Palm Desert and north of Highway 74 and Alpine Village. 1230 Comment
  UC412782  Eriogonum fasciculatum var. polifolium R. L. Pendleton 1905-9-28 256 Riverside Riverside Comment
  UCR280831  Eriogonum gracile T. B. Salvato, Gregg Miller 2005-6-3 1404 Riverside Peninsular Range; Perris-Aguanga Basin Region, edge of Gavilan Hills ca 3.5 mi SW of Perris, 1.4 mi SE of Steele Peak, and 0.5 mi NNW of Good Hope Mine, E of Hwy 74 534 Comment
  SD187458  Eriogonum gracile var. incultum Scott D. White, Angelia Carey 2004-9-16 10767 Riverside San Jacinto Mountain Foothills, San Jacinto River wash near Indian Creek confluence 502 Comment
  RSA65306  Eriogonum inflatum var. inflatum F. W. Peirson 1914-1 1734 Riverside Whitewater, N.W. Colorado Desert. Comment
  JEPS56702  Eriogonum molestum W. L. Jepson 1903-8-6 2281 Riverside Chalk Hill San Jacinto Mt. (trip to Spruce Canyon) 1524 Comment
  CAS-BOT-BC258050  Eriogonum plumatella Edmund C. Jaeger No date on label s.n. Riverside Dry Morongo Canon [Canyon] Comment
  UCSB18462  Eriogonum pusillum Keith, Sheldon 1963-5-5 Riverside State Highway 74; 10.2 miles SW of Palm Desert 883 Comment
  CAS-BOT-BC263519  Eriogonum thomasii Frank W. Peirson 1927-4-12 7171 Riverside Painted Canyon Comment
  CDA23010  Eriogonum thomasii G. D. Barbe, T. C. Fuller 1973-2-27 1047 Riverside 0.2 miles east of Coachella Canal on S.R. 195. Box Canyon Wash. 0 Comment
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Jul 14 2016
  RSA0025896  Eriogonum thomasii Jim Andre 2013-3-4 23864 Riverside Sandy bluffs overlooking Colorado River, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point. 96 Comment
  SD103935  Eriogonum thomasii J. L. S. Simpson 1965-5-14 Riverside Toward the New York Mountains Comment
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Mar 23 2014
  SD260121  Eriogonum thomasii J. M. Andre 2013-3-4 23864 Riverside Sandy bluffs overlooking Colorado River, 0.2 mi. east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point. 96 Comment
  SEINET4568270 Image available Eriogonum thomasii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2003-2-10 4584 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR245927  Eriogonum thomasii Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3950 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  CAS-BOT-BC262878  Eriogonum thurberi A. J. McClatchie 1896-7-7 1162 Riverside Pala Comment
  CAS-BOT-BC263583  Eriogonum trichopes L. A. Greata No date on label. 400 Riverside Coachella, Colorado Desert Comment
  CAS-BOT-BC263585  Eriogonum trichopes Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  CAS-BOT-BC263593  Eriogonum trichopes Susan G. Stokes 1933-4-9 51 Riverside South of Palm Springs Comment
  CAS-BOT-BC263595  Eriogonum trichopes Roxana S. Ferris 1918-6-14 972 Riverside Near Indian Wells Comment
  CLARK-A1045-212  Eriogonum trichopes George K. Helmkamp 1979-4-18 Riverside Indio Hills Dillon Road at dry wash; Lost Horse Mtn. 15'Q Comment
  UC912817  Eriogonum trichopes P. A. Munz and D. Keck 1922-4-14 4973 Riverside 10 mi w Inidan Wells (along the Whitewater); Colorado Desert 91 Comment
  UCR111231  Eriogonum trichopes S. G. Stokes 1933-4-9 51 Riverside Sonoran (Colorado) Desert, South of Palm Springs 244 Comment
  RSA65992  Eriogonum umbellatum subsp. munzii F. W. Peirson 1924-7-28 5014 Riverside Pine Flats Camp 1799 Comment
  POM13304  Eriogonum wrightii var. nodosum E. C. Jaeger 1921-10-9 1068 Riverside Palm Springs. Comment
  RSA125850  Eriogonum wrightii var. nodosum E. K. Balls, Percy C. Everett 1957-11-13 22799 Riverside Snow Creek, n. side of valley 701 Comment
  SD229231  Eriogonum wrightii var. nodosum Dick Schwenkmeyer 2012-11-6 868 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  SD48398  Eriogonum wrightii var. nodosum E. K. Balls, P. C. Everett 1957-11-13 22799 Riverside Snow Creek, n. side of valley 701 Comment
  JEPS5462  Eriophyllum ambiguum var. paleaceum Dr. L. M. Newlon 1922-4-4 454 Riverside Palm Canon Mt. San Jacinto, Palm Canon 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
  UCR241498  Eriophyllum confertiflorum Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 220 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  UCR90757  Eriophyllum confertiflorum Scott D. White 1995-4-5 2731 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  JEPS34708  Eriophyllum confertiflorum var. confertiflorum W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1329 Riverside Thomas Valley to Van Deventer's Ranch Comment
  JOTR31116  Eriophyllum confertiflorum var. confertiflorum La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2500 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Monzogranite boulder outcrop near base of Quail Mountain, between Lost Horse Valley and Juniper Flats; Edge of old burn area (Stop 1) Comment
  CAS-BOT-BC301784  Eriophyllum multicaule Frank W. Peirson 1922-4-29 2927 Riverside Road to Leach Canon [Canyon], Elsinore Comment
  UCR103909  Eriophyllum multicaule B. G. Pitzer 1997-4-11 3110 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
  UCR37226  Eriophyllum multicaule R. A. Fawcett 1938-5-29 s.n. Riverside Peninsular Range, Gavilan Peak, south of Riverside Comment
  CAS-BOT-BC296929  Eriophyllum wallacei Peter H. Raven 1958-5-18 12967 Riverside 2.3 miles from Mountain Center on road to Hemet, San Jacinto Mountains Comment
  POM14090  Eriophyllum wallacei P. A. Munz, D. D. Keck 1922-4-13 4959 Riverside Eagle Mts, Colorado Desert. 213 Comment
  SEINET7063220  Eriophyllum wallacei A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  UCR34971  Eriophyllum wallacei L. B. Ziegler 1967-6-21 166 Riverside San Jacinto Mtns, Hemet [= Garner] Valley 1402 Comment
  UCSB19368  Eriophyllum wallacei Creighton, B. 1961-5-6 Riverside 7.9 miles south of Banning on Banning-Idyllwild road, about 25 miles east of Riverside 1158 Comment
  UCSB69523  Erodium botrys White, Scott 2005-3-29 Riverside San Gorgonio Pass: Cabazon; Alluvial fan and benches west of San Gorgonio river and south of 1-10 Freeway; West of existing gravel quarry; likely to be proposed for quarry expansion 598 Comment
  UCD103002  Erodium texanum C. L. Hitchcock 1966-3-20 24308 Riverside 30 miles n. of Ogilby, along rd. to Blythe.Riverside County: 30 miles N of Ogilby, along road to Blythe. Comment
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Mar 2 2013
  VVC2462  Erodium texanum Tim Thomas 2013-3-18 5934 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  RSA356990  Eryngium aristulatum var. parishii R. F. Thorne 1973-5-23 43861 Riverside Santa Rosa Plateau-Mesa De Colorado 609 Comment
  UCD115010  Erysimum capitatum var. capitatum R. L. Smith 1948-3-25 s.n. Riverside 5 miles north of March Field. Comment
  SD229286  Erythranthe cardinalis Dick Schwenkmeyer 2012-6-27 747 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  RSA0020249  Erythranthe floribunda Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA0018792  Erythranthe guttata F. W. Peirson 1917-4-1 1125 Riverside Andreas Canyon near Palm Springs. Comment
  RSA0015879  Erythranthe moschata N. C. Cooper 1949-6-29 4344 Riverside Pine Cove, San Jacinto Mts. 1829 Comment
  SD135326  Erythranthe rubella Craig Reiser, Dylan Hannon 1993-5-30 Riverside Santa Rosa Peak, north slope Comment
  CAS-BOT-BC83132  Eschscholzia minutiflora Cecil Hart 1926-2-1 s.n. Riverside Palm Springs. Comment
  UCD95447  Eschscholzia papastillii William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  RSA0023133  Eschscholzia papastillii I. W. Clokey 1935-4-17 6628 Riverside Cottonwood Springs. Comment
  RSA25313  Eschscholzia parishii C. L. Hitchcock 1940-3-29 5861 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  UC855197  Eschscholzia parishii I. W. Clokey 1935-4-17 6631 Riverside Cottonwood Springs Comment
  UCR251644  Eschscholzia parishii Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-23 826 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  SEINET10476299  Eschscholzia parishii David Charlton 1988-2-18 Charlton 1152 Riverside Alluvial Fan, S side of Little Sand Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree national Park, parallel to I-10. Creosote Bush Scrub. 5 mi. E of Jct. Dillon Rd. and Fargo Cyn. Rd. 762 Comment
  OBI68205  Eucalyptus camaldulensis Jenn Yost & Matt Ritter, Matt Ritter 2007-10-18 322 Riverside Growing in the UC Riverside Arboretum Comment
  SDSU12879  Eucalyptus camaldulensis J. Jill Steinberg, Leon Steinberg 1998-4-5 36 Riverside Ca. 50 yards north of abandoned trailer northwest of entrance gate to Santa Magarita (SDSU) Field Station, in abandoned grove of Eucalyptus just south of small stream. 311 Comment
  RSA0012569  Eucalyptus camaldulensis Steve Boyd, T. S. Ross 1992-2-21 6671 Riverside Southern Santa Ana Mountains, San Mateo Cyn Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south 701 Comment
  UCR41849  Eucrypta micrantha A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6111 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UC1930058  Eulobus californicus Scott D. White, Angelia Carey 2004-7-2 10562 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. Comment
  UC68569  Eulobus californicus H. M. Hall May 1905 6242 Riverside Shaver's Well Colorado Desert, Chilcoot Pass Comment
  RSA736104  Euphorbia L. C. Wheeler 1952-4-5 6849 Riverside Painted Canyon. Comment
  UCR188699  Euphorbia J. M. Stewart 1989-10-17 616 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, c. 10 mi west of Wiley's Well 305 Comment
  UCR140445  Euphorbia albomarginata A. C. Sanders 2004-4-9 27464 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR199620  Euphorbia albomarginata Scott D. White, Angelia Carey 2004-7-2 10551 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  RSA0123118  Euphorbia eriantha Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9028 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
  UCR244425  Euphorbia eriantha Jim Andre 2012-4-16 20920 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
  RSA575852  Euphorbia ocellata subsp. ocellata Steve Boyd 1983-7-13 s.n. Riverside Gavilan Hills region, south shore of Lake Mathews. 588 Comment
  UCR41454  Euphorbia peplus B. G. Pitzer 1986-2-22 0014 Riverside San Bernardino Mountains, Whitewater Canyon at Fish Hatchery, also to c. 0.5 mi north of hatchery, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road 732 Comment
  CLARK-A1045-137  Euphorbia polycarpa George K. Helmkamp 1978-4-1 Riverside Deep Canyon by University of California Reserve System Boyd research station; Palm Desert 15'Q Comment
  UCR245914  Euphorbia polycarpa Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3952 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  POM122930  Euphorbia polycarpa var. hirtella Marcus E. Jones 1925-9-7 s.n. Riverside Palm Springs Comment
  SD215504  Euphorbia serpillifolia var. hirtula Louis C. Wheeler 1945-10-7 6140 Riverside San Jacinto Mountains; Fuller Mill Creek, North Fork San Jacinto Riover. 1829 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
  RSA192162  Euphorbia spathulata E. W. Lathrop 1966-5-15 6323 Riverside Tenaja Guard Station, Trabuco District, Cleveland National Forest. Comment
  UC74007  Euthamia occidentalis F. M. Reed 1904-11-5 669 Riverside West Riverside on Evans Ranch above Chinese gardens Comment
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Jan 14 2010
  CAS-BOT-BC334203  Eysenhardtia O. F. Clarke 2010-1-29 s.n. Riverside Peninsular Range: Riverside. O.F. Clarke residence, 266 Frost Court, east edge of UCR campus 351 Comment
  JEPS43388  Fagonia laevis W. L. Jepson 1927-4-13 11685 Riverside ne of Mecca (mouth of Painted Canyon); Colorado Desert 45 Comment
  JOTR37717  Fagonia laevis Hodges, Stephen R., L. Ashfield 2016-1-20 648 Riverside Joshua Tree National Park. Eagle Mountains, south of Black Eagle Mine road, near eastern park boundary. Rocky hills and slopes with desert pavement. Comment
  RSA0121045  Fagonia laevis Duncan S. Bell, LeRoy Gross 2016-3-29 9122 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
  RSA391195  Fagonia laevis J. Jones, Christopher Davidson 1980-4-4 9949 Riverside West end of the Orocopia Mts. in a small canyon and wash almost due south of Oro Peak. Comment
  RSA77844  Fagonia laevis F. W. Peirson 1932-3-22 9810 Riverside 20 miles North of Blythe on the road to Needles, Eastern Riverside. 152 Comment
  UC1212089  Fagonia laevis Peter M. Ray 1949-3-6 1328 Riverside near 1000 Palms (Willis Palms); Coachella Valley Comment
  CAS-BOT-BC293741  Fagonia pachyacantha Mona Bourell 1987-4-14 3277 Riverside BLM California Conservation Area, Hwy 195, spur off of Box Canyon. Near Mecca 150 Comment
  SD128675  Fagonia pachyacantha Darley F. Howe 1980-4-16 Riverside 4 miles south of Highway 10 on Cornsprings Road, Chuckwalla Mountains 334 Comment
  UCR260260  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2015-3-11 41400 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road south of junction with road to Observation Point Slats, c. 3.9 miles south of the Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 674 Comment
  SD45871  Ferocactus cylindraceus var. cylindraceus George E. Lindsay 1954-4-1 2059 Riverside 10 miles north of Shavers Well. Growing on well drained alluvial slopes. (IPB 8/07) 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
  UCR241831  Festuca microstachys A. C. Sanders, Timothy W. Chumley 2013-4-3 40761 Riverside Peninsular Range, Temescal Canyon just above Horsethief Canyon wash crossing of DePalma Rd. at old DePalma's Italian Village site, SE of Corona (Lee) Lake 378 Comment
  RSA0124825  Festuca octoflora Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8746 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 123 Comment
  GMDRC6590  Festuca perennis J. M. Andre 2012-6-15 30554 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  RSA728602  Filago Gary D. Wallace, M. Z. Wallace 1982-3-27 1894 Riverside Whitewater River, Indian Ave. 2 mi. S of San Bernardino county line, W of Joshua Tree National Monument, NW of Desert Hot Springs. Comment
  RSA339317  Filago californica R. F. Thorne, C. W. Tilforth 1980-5-28 54200 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  UCR174112  Filago californica A. C. Sanders 2006-5-19 32419 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
  UCR116609  Filago depressa A. C. Sanders 2001-4-8 23976 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  RSA556451  Filago gallica Julie Greene 1993-4-30 1283 Riverside San Jacinto Wildlife Area. N of San Jacinto River drainage. 433 Comment
  RSA613783  Filago gallica A. C. Sanders, P. Mackay, Tim C. Thomas, O. F. Clarke 1997-5-4 20661 Riverside San Jacinto Mtns: N side along hwy 243, 1.5 mile below Twin Pines Ranch Raod (McMullen Flat), N slope of peak 3740. 1067 Comment
  SEINET7048190  Filago gallica Steven R. Hill, Andrew C. Sanders 2001-5-4 33699 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  UCSB63087  Flaveria trinervia Sanders, A. 1981-10-31 Riverside McKinley St. between Riverside and Corona, 3/10 mi. north of Hwy 91 and +100 yds west of McKinley 304 Comment
  RSA464881  Forestiera pubescens Bonnie C. Templeton 1930-4-15 1476 Riverside Near Gavilan Peak. 500 Comment
  SBBG69367  Fouquieria splendens M. N. Ackley -Feb-1926 359 Riverside Box Cyn 304 Comment
  UC454004  Fragaria vesca I. J. Condit 1910-6-24 Riverside Strawberry Valley; San Jacinto Mountains 1524 Comment
  CAS-BOT-BC454537  Fragaria vesca subsp. californica Marcus E. A M Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild, California Comment
  SD212712  Frangula californica T. B. Salvato 2004-5-27 597 Riverside Head of Banning (San Gorgonio River) Canyon .Bernardino County line, 0.5 mile Southeast of Oak Glen Conservation Camp. 1402 Comment
  UCR235057  Frankenia salina A. C. Sanders, John F. Green 2012-5-27 40203 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  CLARK-A1045-225  Franseria dumosa George K. Helmkamp 1978-4-1 Riverside Palm Springs north edge of town; Palm Springs 7.5'Q Comment
  SEINET2030051 Image available Franseria dumosa C. L. Hitchcock 1940-3-29 5860 Riverside Cottonwood Canyon, ca. 100 yards east of Spring Comment
  SDSU14313  Fraxinus velutina Kristin Andrade, Mike Simpson 2002-4-20 15 Riverside On north side of Santa Margarita river, tenth of a mile from junction of Via Tornado road. Santa Margarita Ecological Reserve Road. 223 Comment
  RSA765482  Funastrum cynanchoides var. hartwegii Doris Hoover Bowers 1972-4-15 1801 Riverside Pulgas Creek Canyon, Rancho California 396 Comment
  RSA797604  Funastrum cynanchoides var. hartwegii R. F. Thorne, Walter Wisura 1977-9-17 50765 Riverside San Jacinto Mountain: Chino Canyon along road to tramway Comment
  RSA25130  Funastrum hirtellum C. L. Hitchcock 1940-3-31 5886 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  UCR112980  Gaillardia pulchella Mitch Provance 1998-6-20 754 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  RSA667023  Galium Scott D. White, David E. Bramlet 1999-5-19 7369 Riverside Lake Skinner Area: Ridgetop, north-, west-, and northwest facing slopes of Bachelor Mtn. 549 Comment
  CLARK-A1528-3946  Galium angustifolium Charles S. Papp 1964-6-6 511 Riverside Cleveland National Forest 853 Comment
  RSA0035482  Galium angustifolium A. C. Sanders 2013-7-6 40855 Riverside SE of Idyllwild on South Ridge along FS Rd. 5S11, at junction with small side road 1905 Comment
  POM367712  Galium angustifolium subsp. angustifolium Christopher Davidson 1973-4-1 1808 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  UC416636  Galium angustifolium subsp. angustifolium H. M. Hall 1896-9-2 325 Riverside San Jacinto Mountains Comment
  UCD121584  Galium angustifolium subsp. angustifolium Peter H. Raven; David Verity 1960-6-5 15496 Riverside Salton View, Joshua Tree National Monument. Comment
  UCR20715  Galium angustifolium subsp. angustifolium A. C. Sanders, Steve Boyd 1980-5-2 1446 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  POM6765  Galium angustifolium subsp. gracillimum Philip A. Munz, L. T. Street 1919-5-7 2729 Riverside Tahquitz Canyon. 244 Comment
  UCR272190  Galium angustifolium subsp. gracillimum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8550 Riverside Santa Rosa Mountains, Horsethef Creek, south of Cactus Spring Trail 1064 Comment
  UCR96250  Galium angustifolium subsp. gracillimum Scott D. White 1996-8-1 4407 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA0051335  Galium angustifolium subsp. jacinticum Valerie Soza, Steve Boyd 2004-6-22 1727 a Riverside San Jacinto Mountains, southeast side of Lake Fulmor, slope above Hwy 243 (Hall Canyon). 1615 Comment
  RSA802258  Galium aparine Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5005 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  SD51947  Galium aparine Reid Moran 1962-7-7 9853 Riverside by Strawberry Creek, 2 miles SW of Idyllwild, San Jacinto Mts. 1550 Comment
  UCD121722  Galium aparine B. Pitzer 1987-4-11 478 Riverside West of Murrieta at Santa Rosa Plateau Preserve, Mesa de Colorado. 609 Comment
  SD67921  Galium parishii Reid Moran 1968-8-3 15349 Riverside on rocky NE slope, ridge 1 mile NW of Toro Peak 2250 Comment
  UCR26357  Galium parishii A. C. Sanders, J. A. Harpel 1981-8-26 2332 Riverside Santa Rosa Mtns., About 100 ft below the summit of Toro Peak 2622 Comment
  RSA543617  Galium porrigens Steve D. Boyd 1991-5-7 6152 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA336049  Galium stellatum Robert F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52036 Riverside Chino Canyon. Comment
  CAS-BOT-BC500428  Galium stellatum subsp. eremicum A. C. Sanders; Jim Malusa 2015-3-11 41407 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, side canyon draining from the NE into large canyon contaiing the Gasline Rd, c. 2.5 mi N of the Imperial Co. line, US Navy Chocolate Mts Aerial Gunnery Range 610 Comment
  RSA777334  Galium stellatum var. eremicum Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 831 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  UCR109782  Gamochaeta pensylvanica R. D. Goeden, Don W. Ricker 1972-5-20 s.n. Riverside Riverside, UCR Campus, outside insectary building near Entomology 341 Comment
  UCR90806  Gamochaeta pensylvanica A. C. Sanders, G. K. Helmkamp 1996-3-17 17996 Riverside Coachella Valley, Cathedral City, Cathedral Plaza, Hwy 111 at Date Palm Dr. 91 Comment
  UCR84788  Garrya Scott D. White, S. Ogg 1994-4-21 2010 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA23666  Garrya flavescens var. pallida Carl B. Wolf 1939-1-20 9486 Riverside Santa Ana Mts., East side, along Eagle Motor Way, 1 mi. below summit 915 Comment
  CAS-BOT-BC158071  Garrya veatchii S. B. Parish 1918-4-3 11696 Riverside Brush land at mouth of San Jacinto River Comment
  UCR117074  Gaura sinuata A. C. Sanders, Steven R. Hill 2001-5-4 24127 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 345 Comment
  RSA586161  Gazania linearis D. L. Banks, Steve Boyd 1995-3-30 0126 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, on the Woodchuck Trail. 633 Comment
  SEINET8753916 Image available Geraea canescens Norman C. Cooper 1944-1 2633 Riverside Palm Springs 137 Comment
  RSA717339  Gilia Scott D. White, Michael Honer 2003-4-25 9114 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  CLARK-A1528-707  Gilia angelensis Stanley W. Austin 1969-5-3 22 Riverside Riverside 487 Comment
  RSA613896  Gilia angelensis A. C. Sanders, Giles Waines, B. Ehdaie, A. Aryavand 1997-3-12 19850 Riverside Lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA699842  Gilia angelensis Scott D. White, Michael Honer 8933 Riverside Temescal Canyon: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UCR50078  Gilia australis N. M. Fellows, A. C. Sanders 1985-4-9 134 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  POM122410  Gilia capitata subsp. abrotanifolia Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA772127  Gilia capitata subsp. abrotanifolia Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4829 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
  UC60876  Gilia capitata subsp. abrotanifolia H. M. Hall Apr., 1903 3844 Riverside Morena Valley Comment
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Jul 6 2010
  POM19650  Gilia diegensis Mary F. Spencer 1923-6-12 s.n. Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  RSA171388  Gilia diegensis J. D. Olmsted 1962-5-3 3488 Riverside Edge of Thomas Mountain fire road south of Hemet Lake, NE flank of Thomas Mountain. 1418 Comment
  JEPS69628  Gilia latifolia W. L. Jepson 1914-5-18 6027 Riverside n Indio (County Well); Colorado Desert, n of Indio, County Well 304 Comment
  UC68704  Gilia latifolia H. M. Hall Apr., 1905 5791 Riverside 8 mi w Coachella; Colorado Desert, w of Coachella 30 Comment
  UC73634  Gilia ochroleuca subsp. exilis Miss M. A. King 1893-1 Riverside Menifee Comment
  SEINET7048157  Gilia ochroleuca subsp. exilis Steven R. Hill 2001-5-3 33658 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
  RSA469734  Gilia stellata M. B. Dunkle 1937-3-25 4955 Riverside Dry Morongo. Comment
  RSA67585  Gilia stellata Verne Grant, Alva Grant 1950-4-9 8841 Riverside Palm Springs. Comment
  RSA799087  Gilia stellata Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6884 Riverside South side of Joshua Tree National Park, Cottonwood Spring 884 Comment
  UCSB51364  Glyceria elata Roos, John 1965-7-3 Riverside Dark Canyon, San Jacinto Mtns. Comment
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May 21 2011
  SEINET10618257  Gnaphalium californicum Nye Leith, Greg Gust 2005-3-11 Nye 62 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  UCR162876  Gnaphalium californicum T. B. Salvato, Kelly Volansky 2003-3-27 134 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR174332  Gnaphalium californicum Jennifer H. Jones 2006-5-16 301 Riverside Peninsular Ranges, Box Springs Mtns. E end of Big Springs Road, N side 372 Comment
  UCR241196  Gnaphalium californicum Tracy Tennant, Jeffrey Ross 1998-7-11 MOR- 528 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  RSA586158  Gnaphalium luteoalbum D. L. Banks, S. D. Boyd 1995-3-30 0123 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 726 Comment
  UCR147705  Gnaphalium luteoalbum Steve Boyd, Aydee Virgen 2004-4-13 108665 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR92247  Gnaphalium luteoalbum Scott D. White 1995-7-7 3448 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  POM358871  Gnaphalium microcephalum N. C. Cooper 1943-10-9 952 Riverside Hemet. 366 Comment
  RSA192005  Gnaphalium microcephalum H. A. Zuill 1966-7-7 280 Riverside San mateo canyon, 9-10 miles SW of Murrieta. Comment
  JOTR31077  Grayia spinosa La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2339 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  CAS-BOT-BC304639  Gutierrezia californica J. C. Roos 1965-6-21 s.n. Riverside The hills 2 miles south of Beaumont Comment
  POM46836  Gutierrezia californica Mary F. Spencer 1920-4-2 1474 Riverside Palm Springs, Colorado Desert. 122 Comment
  UC1118607  Gutierrezia sarothrae H. S. Yates 1937-6-27 6703 Riverside 1 mi sw Mt. Eden; Elsinore Quadrangle Comment
  UC455821  Gutierrezia sarothrae I. J. Condit 1910-6-24 Riverside San Jacinto Canyon Comment
  UCR182862  Haplopappus squarrosus Mitch Provance 2005-2-19 5702 Riverside San Bernardino Valley, NE extreme of the Jurupa Mtns., slopes south of Fontana Dr. 290 Comment
  UCR48472  Harpagonella palmeri Steve Boyd 1986-3-9 1384 Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  RSA0066613  Harpagonella palmeri F. W. Peirson 1922-5-19 3029 Riverside 2.5 miles NE of Murrieta on the road to Perris. Comment
  UCR167790  Hedypnois cretica T. B. Salvato, Gregg Miller 2005-6-3 1383 Riverside Peninsular Range: Perris-Aguanga Basin, tributary of the San Jacinto River, c. 3 mi SW of Perris, 1.5 mi east of the Good Hope Mine and less than 0.25 mi south of Ethanac Road 433 Comment
  UCR250218  Hedypnois cretica A. C. Sanders 2014-4-8 40982 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.5 km NW of El Hermano Rd., c. 0.8 km SE of I-15 crossing 315 Comment
  CAS-BOT-BC211543  Helianthemum scoparium P. C. Everett 1935-6-18 7175 Riverside San Juan Canyn, near Ortega Highway on road to Santiago Pk., Santa Ana Mts. 701 Comment
  CAS-BOT-BC211545  Helianthemum scoparium H. M. Hall 1900-6-1 1409 Riverside Lytle Creek Canyon, San Antonio Mountains 609 Comment
  RSA220962  Helianthemum scoparium var. aldersonii E. W. Lathrop 1966-5-29 6380 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  RSA395353  Helianthemum scoparium var. aldersonii Steve Boyd 1986-4-22 1745 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  POM320325  Helianthemum scoparium var. scoparium David Wheat 1968-5-16 139 Riverside 7.7 miles W Washington Ave-Guava St, Murietta, in Rancho California, Santa Ana Mt. 244 Comment
  RSA343089  Helianthus gracilentus R. F. Thorne, E. W. Lathrop, Sara Meury 1985-5-18 60625 Riverside Santa Rosa Plateau: Burned-over chapparral along Clinton Keith Road, near base of plateau. 427 Comment
  RSA701121  Helianthus gracilentus Michael Wall 1996-7-1 166 Riverside Cherry Valley, Beaumont/Oak Glen Rd, 2.6 mi N of Cherry Vly Blvd, top of steep E slope of Little San Gorgonio Creek. Comment
  UC284802  Helianthus gracilentus P. A. Munz 1923-6-14 7060 Riverside Glen Ivy trail to Santiago Peak; Santa Ana Mtns. 1219 Comment
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Apr 1 2013
  SEINET10455759  Heliotropium curassavicum var. oculatum Billy Joe Cox 1975-6-26 Cox 4187 Riverside 1-3 km W, (ca 32 mi S of Blythe). Riverside-Imperial Counties. 70 Comment
  RSA216766  Hemizonia kelloggii Robert F. Hoover 1968-6-7 11155 Riverside Lower St Johns Canyon S of Hemet Comment
  UCR189785  Hemizonia mohavensis Diane Menuz 2007-7-19 330 Riverside Peninsular Range; San Jacinto Mountains, c. 0.5 km [east] of Highway 74, along a dirt road (Apple Canyon Road) 1335 Comment
  UCR201461  Hemizonia mohavensis Scott D. White, Justin M. Wood 2008-7-10 12446 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  UCR108831  Hemizonia paniculata O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  RSA0080067  Hemizonia pungens subsp. laevis Jeremiah George 2012-7-9 s.n. Riverside San Timoteo Canyon, west side of San Timoteo Canyon Rd., NE corner of Fisherman s Retreat Lake. 597 Comment
  RSA289149  Hemizonia pungens subsp. laevis C. W. Tilforth, Walter Wisura 1987-8-10 2112 Riverside Along Reinhardt Creek, south of Maze Stone County Park, between Hemet and Homeland, north of Hwy 74. Comment
  RSA550494  Hemizonia pungens subsp. laevis D. E. Bramlet 1991-6-18 2193 Riverside The population is approximatly 762m. west of the San Jacinto River. The site is some 395m. east of the intersection of Pozos Ave. and MWD Colorado aqueduct easment Road., This population is found some 2m. south of the road and on the margin of a small marsh area 433 Comment
  RSA614387  Hemizonia pungens subsp. laevis Scott D. White 1997-5-25 5244 -B Riverside Winchester area: Roadside of Simpson Ave., less than1 mi W of intersection w/ Winchester Rd. 445 Comment
  UCR148720  Hemizonia pungens subsp. laevis B. L. Jones 2003-5-29 s.n. Riverside Lake Elsinore area, just N of the intersection of Corydon Rd. and Grand Rd 393 Comment
  HSC101254  Hesperocallis undulata Jim Andre 2012-3-19 21357 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  RSA377053  Hesperocallis undulata N. C. Cooper 1949-4-8 3291 Riverside Blythe. 259 Comment
  RSA48416  Hesperocallis undulata E. K. Balls 1949-4-2 12901 Riverside North of Mecca, Highway 111, Colorado Desert. -58 Comment
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Jul 16 2015
  UC1979550  Hesperocnide tenella Darin L. Banks, Steve Boyd 1995-5-9 421 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. Area, W of Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  SEINET3412083  Hesperoyucca whipplei var. whipplei Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28528 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert, off of Pine View Drive. 1297 Comment
  UCR193962  Heterocodon rariflorum A. C. Sanders 2008-7-25 35891 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UCR24935  Heterocodon rariflorum A. C. Sanders 1981-7-19 1691 Riverside Peninsular Range; San Jacinto Mtns., James Reserve in Hall Canyon above Lake Fulmor, 3.5 mi NW of Pine Cove 1707 Comment
  CLARK-A1656-807  Heterotheca grandiflora Theo Glenn 1982-9-25 Riverside Snow Creek 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
  SDSU13044  Heterotheca grandiflora James C. Dice, J. Dewald 1987-9-28 729 Riverside North side of Temecula Gorge, near entrance to field station site, ca. 4.5 km ENE of Gavilan Mountain. T8S, R3W, northeast 1/4 of northeast 1/4 of section 27. 329 Comment
  RSA0075896  Heterotheca grandiflora R. Weatherby 1949-5-13 411 Riverside La Sierra Hills, Arlington. 152 Comment
  RSA659762  Heterotheca sessiliflora subsp. echioides J. C. Roos 1965-9-16 s.n. Riverside Hemet on State Street, near Florida Street; along a dry roadside. Comment
  UC1999890 Image available Heterotheca sessiliflora subsp. fastigiata J. C. Semple, J. Chimielewski 1987-9-30 8982 Riverside Idyllwild, CA-243, just S of Idyllwild Park, Manzanita Dr. Comment
  UC219593  Heuchera hirsutissima P. A. Munz 1922-6-28 5875 Riverside Toro Peak 2286 Comment
  CAS-BOT-BC203352  Hibiscus denudatus H. K. Wagnon 1944-5-20 388 Riverside Tahquitz Canon [Canyon], Palm Springs Comment
  CLARK-A1528-4680  Hilaria rigida John C. Roos 1947-3-1 3298 Riverside Coachella Valley Comment
  SD129177  Hilaria rigida A. C. Sanders 1989-9-19 9496 Riverside Chocolate Mountains Aerial Gunnery Range: 1.75 kilometers (airline) south of the Tabaseca Tank, along the wash above Tabaseca Target (UTM: 11S, PH-35E, 07N) 680 Comment
  UCR84841  Hilaria rigida A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16205 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
  CLARK-A1528-475  Hoffmannseggia densiflora Charlotte Stocks 1962-5-11 Riverside Coachella Comment
  SBBG3334  Hoffmannseggia glauca H. and M. Dearing 1942-4-6 4867 Riverside ca. 1 to 3 mi E of Blythe Comment
  CAS-BOT-BC207950  Hoffmannseggia microphylla Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well, Colo Desert Comment
  SD21527  Hoffmannseggia microphylla Frank F. Gander 1938-5-21 5770 Riverside Shaver's Well Comment
  CAS-BOT-BC285037  Hordeum depressum A. C. Sanders 1993-4-5 13697 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74) 460 Comment
  RSA617999  Hordeum depressum R. E. Riefner 1998-4-22 98 -289 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  RSA696136  Hordeum depressum A. C. Sanders, Carolyn Washburn 2001-4-17 24040 Riverside San Jacinto Valley: southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal. 457 Comment
  RSA595137  Hordeum intercedens Steve Boyd, Dave Bramlet 1996-4-19 8591 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  RSA179512  Hordeum murinum subsp. glaucum E. W. Lathrop 1959-5-17 4534 Riverside 14 miles west of Murrieta. Tenaja Plateau Comment
  RSA0018955  Horkelia clevelandii Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 692 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR49238  Hornungia procumbens Steve Boyd 1986-4-2 1622 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA0104075  Horsfordia newberryi Duncan S. Bell, Evan Meyer 2014-10-29 7674 Riverside Santa Rosa Mountains; around the mouth of Martinez Canyon, about 3.5 air miles southwest of Valerie. 169 Comment
  UCR202326  Hulsea vestita Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  POM12655  Hulsea vestita subsp. callicarpha P. A. Munz 1922-7-9 6405 Riverside Above Tamarack Valley. San Jacinto Mts. 3048 Comment
  SBBG65752  Hulsea vestita subsp. callicarpha R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2590 Comment
  JOTR16597  Hulsea vestita subsp. parryi Walters, Jim 1967-4-11 s.n. Riverside Joshua Tree National Park. COVINGTON FLAT 1645 Comment
  RSA335008  Hydrocotyle ranunculoides Steve Boyd 1985-8-7 1107 Riverside Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Road, 0.8 mile east of jct with 8S01 and 8S02. Comment
  RSA717497  Hydrocotyle ranunculoides A. C. Sanders, O. F. Clarke 1991-6-10 11120 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  RSA733690  Hymenoclea salsola Keith E. Hoffmaster 1933-4-14 364 Riverside Palm Springs Comment
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Aug 27 2011
  UCR41553  Hymenoclea salsola A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6107 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA93957  Hymenoclea salsola F. W. Peirson 1914-04 2494 Riverside Whitewater at head of Coachella Valley. Comment
  CAS-BOT-BC312629  Hymenopappus filifolius var. lugens Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mountain, a short distance below summit Comment
  UCR155826  Hypochaeris glabra 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
  UCR177639  Hypochaeris glabra 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 1159 Comment
  UCR281526  Hypochaeris glabra Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 94 Riverside Temescal Valley, S of the 15 Fwy., 0.3 miles W of Hostettler Rd. 384 Comment
  JOTR28871  Hyptis emoryi La Doux, Tasha, Bill Truesdell 2004-3-17 1106 Riverside Joshua Tree National Park. Cottonwood Mtns; just north of southern boundary 563 Comment
  PASA1156  Hyptis emoryi R. E. Merrill Riverside Lower Murray Canyon Comment
  RSA0107469  Hyptis emoryi Duncan S. Bell, Amanda Turek 2009-3-29 155 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  RSA20010  Hyptis emoryi I. W. Clokey 1935-4-17 6866 Riverside Colorado Desert. Shafer [Shavers] Wells - Cottonwood Springs. 25 Comment
  RSA420174  Hyptis emoryi M. B. Dunkle 1932-3-25 2907 Riverside Palm Springs. Comment
  CDA8022  Isocoma acradenia var. eremophila G. D. Barbe 1973-10-19 1734 Riverside Coachella Water District Canal, west end of Airport Road, north of Lake Cahiuilla County Park, west of Thermal. 0 Comment
  UCR9262  Isocoma acradenia var. eremophila O. F. Clarke 1969-11-10 s.n. Riverside Sonoran (Colorado) Desert, Near Whitewater on Hwy 111, 2 mi. SE of point where 111 merges into Hwy I-10 at Verbenia Ave. 351 Comment
  HSC100129  Isocoma menziesii Mike Lahti 2009-10-22 1501843 Riverside Banks of Temecula Creek, near downtown Temecula Comment
  UC699669  Isocoma menziesii var. menziesii Kay H. Beach 1942-10-22 1669 Riverside 5 mi nw Corona (near bridge on River Road, at edge of Santa Ana River floodplain); Santa Ana River 198 Comment
  CSUSB720  Isomeris arborea Daniel Sall 1970-4-25 Riverside Palm Springs, about 150 yards from start of trail in Tahquitz Canyon wash 304 Comment
  UC2062450  Ivesia callida Barbara Ertter with Ken Berg, Roxanne Bittman, and Tim Krantz 1987-9-6 7429 Riverside Head of Andreas Canyon on N side Red Tahquitz Peak, San Jacinto Mountains. Comment
  JOTR30786  Ivesia saxosa La Doux, Tasha, Erin Babich 2007-4-18 1516 Riverside Joshua Tree National Park. About .5 mile southeast of Lost Horse Ranger Station, at the west edge of Lost Horse Valley Comment
  UC56919  Jepsonia parryi H. M. Hall Apr. 1902 2750 Riverside Winchester Comment
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Mar 20 2011
  RSA0011070  Juglans californica Scott D. White, Justin M. Wood 2009-5-22 12927 Riverside San Jacinto Mts: Halfway Spring, accessed via Old Control Road. 1159 Comment
  UCR246479  Juglans hindsii R. E. Riefner Jr. 2012-7-23 12- 322 Riverside city of Hemet, c. 100 yards north of Devonshire Ave. and Meyers St. 473 Comment
  UCR247518  Juglans hindsii R. E. Riefner Jr. 2012-7-23 12- 322 Riverside city of Hemet, c. 100 yards north of Devonshire Ave. and Meyers St. 473 Comment
  CAS-BOT-BC110074  Juncus acutus David B. Dunn 1948-2-21 3689 Riverside Pushawalla Canyon, Indio Hills of the Colorado Desert. West of Indio. Comment
  CLARK-A1656-831  Juncus acutus var. sphaerocarpus Jon Mark Stewart 1982-11-13 82-016 Riverside Indio Hills 198 Comment
  POM259107  Juncus bufonius Phillip A. Munz 1938-8-14 15351 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  RSA713786  Juncus bufonius A. C. Sanders, Kelly Volansky 2005-3-17 29224 Riverside Perris-Aguanga Basin Region: French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., ca. 0.5 mi. NE of Adobe Springs, near San Diego Aqueduct. 412 Comment
  UC1601698  Juncus bufonius H. M. Hall Jul 1901 Riverside w fork of Snow Creek San Jacinto Mountains, Snow Creek 1676 Comment
  UCR21523  Juncus bufonius Steve Boyd 1980-4-29 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, c. 0.5 mile NE of the secretary's house 518 Comment
  RSA0013145  Juncus bufonius var. bufonius LeRoy Gross, Caitlin Elam 2013-5-14 6071 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCSB26799  Juncus bufonius var. bufonius Wilken, Dieter 1969-6-30 Riverside California State Highway 74; 0.5 miles west of Keen Camp Summit; San Jacinto Mtns Comment
  RSA713779  Juncus dubius A. C. Sanders, Steve Boyd, J. S. Ross, Mitch Provance 1998-10-25 22274 Riverside Hwy 74, roadside seep ca. 2 miles below (west of) Mountain Center.11S NH-2E, 2N 1250 Comment
  UCR9555  Juncus dubius Bonner Blong 1966-1 s.n. Riverside Santa Rosa Mtns., Tahquitz Spring, Martinez Canyon. 793 Comment
  RSA309573  Juncus luciensis James R. Shevock 1975-4-28 4247 Riverside Mesa de Burro, Santa Rosa Plateau, southern Santa Ana Mountains. 600 Comment
  UCR104077  Juncus macrophyllus A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20693 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  RSA0103092  Juncus rugulosus Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8548 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  RSA651022  Juniperus californica Harold Lint 1958-5-25 2044 Riverside East of Pinyon flats campground. Pines to Palms Hwy [Hwy 74]. Comment
  UCR60710  Juniperus californica John F. Emmel 1976-3-17 542 Riverside Southern Mojave Desert, canyon 0.8 air mi north of peak 4353, NE slope of Granite Mtns, WSW of Rice. 976 Comment
  SEINET2043589 Image available Justicia californica Art Whistler 1966-3-26 s.n. Riverside 1 mi below the entrance to the Phillip L. Boyd Deset Ranch Center, Deep Canyon. Comment
  UCR216681  Justicia californica Jim Andre, T. La Doux 2009-3-10 11245 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
  SBBG100102  Justicia californica M. D. Clary 1932-12-15 1132 Riverside bajada 2 mi W of Coral Reef Ranch, at base of Santa Rosa Mtns, Coachella Valley 91 Comment
  JEPS8733  Keckiella antirrhinoides I. W. Clokey and E. G. Anderson 1935-4-16 6885 Riverside e of Hemet (hillside along San Jacinto River) 600 Comment
  POM4282  Keckiella antirrhinoides L. T. Street 1917-5-15 1932 Riverside Between Elsinore and Perris. Comment
  RSA293254  Keckiella antirrhinoides D. C. Michener 1980-6-11 3669 Riverside Bautista Canyon. Lower Bautista Cyn road [5S14] ca 5.3 mi. southeast of jct to CA 74 near canyon mouth. 800 Comment
  RSA678931  Keckiella cordifolia Scott D. White, Michael Honer 2003-6-3 9474 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UC103114  Keckiella rothrockii var. jacintensis S. B. and W. F. Parish Aug 1880 473 Riverside San Jacinto Mts. Comment
  UC682216  Keckiella rothrockii var. jacintensis H. M. Hall 1897-7-21 704 Riverside San Jacinto Mt. 2743 Comment
  JEPS12492  Kelloggia galioides S. B. and W. F. Parish Aug 1881 967 Riverside San Jacinto Mountains Comment
  RSA740072  Koeleria macrantha Scott D. White, Justin M. Wood 2008-6-16 12135 Riverside Meadow at Quinn Flat. 1378 Comment
  CAS-BOT-BC43703  Krameria erecta F. H. Billings 1931-4-13 s.n Riverside Palm Springs Comment
  HSC47314  Krameria erecta R. W. Spjut, C. E. Edson 1978-5-6 5029 Riverside Colorado Desert, N face of Chuckawalla Mtns., 2.7 mi. S of Desert Center 335 Comment
  POM301793  Krameria erecta J. Cole 1942-5-19 968 Riverside White Tanks Area, Joshua Tree National Monument. 61 Comment
  RSA795811  Krameria grayi C. P. Cowan 1978-4-23 1170 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  RSA0001812  Krynitzkia decipiens Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UCR166801  Kyllinga brevifolia R. E. Riefner Jr. 2004-9-25 04- 443 Riverside City of Corona; Green River Road, c. 0.8 mi south of 91 freeway overpass, Green River Golf Course at Santa Ana River 153 Comment
  SEINET11446730 Image available Laennecia coulteri H. M. Hall 5941 Riverside Palo Verde Valley 76 Comment
  SEINET11446731 Image available Laennecia coulteri F. M Reed 1907-10-6 1971 Riverside Shub Ranch at crossing of Elsinore Road in Mockingbird Canyon Comment
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Oct 6 2017
  POM352656  Lamarckia aurea N. C. Cooper 1944-4-22 1128 Riverside Banning. 732 Comment
  RSA198982  Lamarckia aurea R. F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37584 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  UCR37476  Lamium amplexicaule Steve Boyd 1981-4-8 s.n. Riverside Peninsular Range, Dawson Canyon, Gavilan Hills Comment
  HSC21920  Larrea tridentata J. J. Wagoner 1965-4-12 27 Riverside 8 mi. NE of Palm Springs in Whitewater Canyon. Comment
  POM310387  Larrea tridentata Margaret Haringe 1946-4-15 284 Riverside Along road to 29 Palms, south of Morongo valley 396 Comment
  RSA609038A  Larrea tridentata Steve D. Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10058 Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  UCSB3664  Larrea tridentata Bobkowski, Vincent 1960-4-1 Riverside 3 Miles south west of Intersection State Highway 195 and U.S. 60-70 in the Orocopia Mountains Comment
  SD137664  Lastarriaea coriacea Darin L. Banks, Steve Boyd 1995-5-3 206 Riverside Agua Tibia Wilderness area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove area 500 Comment
  CAS-BOT-BC352914  Lasthenia coronaria Ira L. Wiggins 1941-3-27 9695 Riverside Slopes 4 miles N of Whitewater Comment
  RSA674933  Lasthenia coronaria Scott D. White, Tasha La Doux 2000-4-23 7718 Riverside Perris/San Jacinto Basin: Winchester/Hemet area. Unnamed hills just S of Lakeview Mts. South of Hwy 74 and E of Hwy 79. 473 Comment
  RSA743825  Lasthenia coronaria Sarah J. De Groot, J. Mark Porter 2005-3-9 4772 Riverside Whitewater Canyon, several miles north of I-10. 591 Comment
  UC126382  Lasthenia coronaria H. M. Hall 1903-4-1 3982 Riverside Pass ne of High Grove; Riverside Comment
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Sep 5 2011
  UC1746505  Lasthenia coronaria Mitch Provance 2000-4-8 2009 Riverside Jurupa Mountains; S extension of ''Rattlesnake Mt.'', <100 m W of peak 1739. Comment
  UCR85534  Lasthenia gracilis A. C. Sanders 1993-4-5 13694 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  RSA14602  Lathyrus vestitus subsp. alefeldii Daniel Cleveland 1882-5-5 s.n. Riverside Temecula Comment
  RSA406639  Lathyrus vestitus subsp. alefeldii N. C. Cooper 1944-6-4 1974 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  RSA406642  Lathyrus vestitus subsp. alefeldii N. C. Cooper 1945-5-24 1637 Riverside Big Oaks Canyon, Banning. 1219 Comment
  UC15386  Lathyrus vestitus var. alefeldii H. M. Hall 1901-6-1 2153 Riverside e base San Jacinto Mountains (along the borders of the Colorado Desert); , Colorado Desert 1371 Comment
  SD2658  Lathyrus vestitus var. vestitus Unknown 1925-5-10 Riverside Banning, Idylwild Road 1554 Comment
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Nov 17 2011
  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
  POM361744  Layia H. M. Hall 1897-4-3 442 .5 Riverside Winchester. Comment
  RSA741421  Layia platyglossa Justin M. Wood 2008-12-2 258 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  UCR34928  Layia platyglossa L. B. Ziegler 1969-5-10 361 Riverside Peninsular Range; San Jacinto Mtns., Hemet Valley 1402 Comment
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Jan 8 2013
  RSA641178  Lemna minor Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38151 Riverside San Jacinto Mountains: San Bernardino National Forest. Lake Fulmor. 1615 Comment
  CLARK-A1045-126  Lepidium dictyotum George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  SBBG104095  Lepidium dictyotum A. C. Sanders 1993-4-5 13683 Riverside western edge of Hemet, NE corner of intersection of Myers St. and Devonshire Ave, 0.75 mi NE of intersection of Florida Ave (St Hwy 74) and Warren Rd Just S of Tres Cerritos; T5S, R1W, SW/4 of NE/4, S7 460 Comment
  CAS-BOT-BC89177  Lepidium draba Steve Boyd 1992-4-18 6894 Riverside Paloma Valley, ca. 5 air miles southeast of Sun City at the corner of Leon Road and Scott Road. Comment
  SEINET9119074  Lepidium fremontii D. Myrick 1965-1 1072 Riverside Joshua Tree National Monument near White Tank Public Camp. 762 Comment
  JOTR35354  Lepidium fremontii var. fremontii Andre, Jim 2012-4-11 20682 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  SDSU18644  Lepidium fremontii var. fremontii Michael G. Simpson, Kristen Hasenstab 2008-4-1 2942 Riverside Joshua Tree National Park, east side of Mastodon Peak, ca. 0.65 mile east-southeast of Cottonwood Spring. 1027 Comment
  RSA429929  Lepidium lasiocarpum Robert M. Perkins 1937-3-15 393 Riverside 4 miles W of Desert Center. Comment
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Dec 18 2011
  UCR25952  Lepidium lasiocarpum John C. Roos 1947-2-15 3237 Riverside Sonoran (Colorado) Desert, Lost Palms Canyon, south face of Eagle Mtns., west of Hayfield Dry Lake 997 Comment
  SDSU14133  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
  RSA543302  Lepidium nitidum Steve Boyd 1991-3-17 5508 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
  UCR232033  Lepidium nitidum John F. Green 2008-4-15 0408- 19 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
  SDSU18755  Lepidium nitidum var. nitidum C. Matt Guilliams 2008-2-13 457 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 451 Comment
  RSA653419  Lepidium virginicum var. pubescens Scott D. White 1999-5-24 7386 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
  UCR144416  Lepidium virginicum var. pubescens Scott D. White, Michael Honer 2003-4-9 8998 Riverside Perris-Aguanga Basin, Gavilan Hills, c. 1 mi N of the I-15 Fwy and 1 mi east of the Lake Street exit, on and around unnamed peak '2349 640 Comment
  RSA543754  Lepidium virginicum var. robinsonii Steve Boyd, Timothy S. Ross, Mike Hammit 1991-5-2 6074 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  UCR281258  Lepidium virginicum var. robinsonii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 62 Riverside Temescal Valley, North side of Concordia Ranch Rd., slopes just east of Black Powder Rd. 393 Comment
  UCR137688  Lepidium virginicum var. virginicum D. L. Banks, V. W. Steinmann 1997-3-13 1485 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
  SD127552  Lepidospartum squamatum Reid Moran 1967-11-7 14647 Riverside 4 mi N of Palm Springs 299 Comment
  SD137865  Lepidospartum squamatum Darin L. Banks, Steve Boyd 1995-10-17 777 Riverside Northwest Palomar Mountains; Agua Tibia Mountains, along lower Arroyo Seco, south of the Dripping Springs Campground. 515 Comment
  UC1008313  Lepidospartum squamatum Rimo Bacigalupi and L. R. Heckard 1953-5-5 4069 Riverside along Morongo Creek, along highway between Morongo Valley and Coachella Valley. 685 Comment
  RSA697078  Lepidospartum squamatum var. obtectum W. Blanchard 1932-11-11 s.n. Riverside About 3 mi. S. of Palm Springs Station. Comment
  CDA29073  Leptochloa uninervia Mike Lahti 2008-12-12 PDR# 1509355 Riverside Hemet. Bautista Creek Ranches, 45200 Bautista Road, near Fairview Avenue. 0 Comment
  POM3599  Leptodactylon californicum Robinson, Crocker 1916-3-28 s.n. Riverside Santa Ana Mountains. Comment
  POM364530  Leptosiphon ciliatus N. C. Cooper 1944-7-16 1559 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  CAS-BOT-BC227028  Leptosiphon floribundus subsp. floribundus Carl B. Wolf 1936-6-17 7951 Riverside Santa Ana Mts., along Ortega Highway, San Juan Canyon, 5/10 mi. E. of Orange Co. Line 365 Comment
  SD137680  Leptosiphon floribundus subsp. glaber Darin L. Banks, Steve Boyd 1995-4-5 157 Riverside Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, east of the Dripping Springs Trail in the north flowing drainage that empties into Arroyo Seco. 548 Comment
  POM65218  Leptosiphon liniflorus George F. Reinhardt 1897-06 11550 Riverside San Jacinto Mts. Comment
  SEINET8483151 Image available Leptosyne californica D. Terrell 1969-3-21 71 Riverside 17 mi S of Corona on Hwy 71. 122 Comment
  UCR139615  Lessingia filaginifolia A. C. Sanders 2004-7-1 28382 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., c. 5 miles due south of Sun City 488 Comment
  UCR22016  Lessingia filaginifolia Steve Boyd 1980-9-16 352 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  UC1287413  Lessingia glandulifera var. glandulifera Willard Spence 1960-8-24 583 Riverside 4.7 mi e of Anza; Road to Santa Rosa Summit 1371 Comment
  RSA336204  Lilaea scilloides Robert F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51990 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  RSA515325  Lilaea scilloides Jeri Hirshberg 1989-4-4 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, SW of Mesa de Burro, and NW of Mesa de la Punta. 610 Comment
  UCR26378  Lilium parryi A. C. Sanders 1981-7-11 2201 Riverside San Jacinto Mtns., Hall Canyon above the James Reserve, at Indian Creek 1738 Comment
  UCR193127  Limnanthes gracilis subsp. parishii A. C. Sanders, Tim Thomas 2008-6-20 35537 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR234764  Limonium duriusculum A. C. Sanders, John F. Green 2012-6-25 40298 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, benches south of I-15 and east of Horsethief Canyon Rd., north end of Bucking Bay Dr. 433 Comment
  RSA0009862  Linanthus bigelovii Marcus E. Jones 1903-5-11 10241 Riverside Whitewater. 305 Comment
  UCR35063  Linanthus ciliatus L. B. Ziegler 1967-7-13 188 Riverside San Jacinto Mtns, Hemet (Garner) Valley. Near Herkey Creek Canyon. 1585 Comment
  UCSB18572  Linanthus dianthiflorus Stock, Karen 1963-5-4 Riverside Banning-Idyllwild road, 2 miles south of Banning 853 Comment
  UCR78436  Linanthus floribundus Scott D. White 1993-3-15 1192 Riverside Peninsular Range, Elsinore, Hwy 74, just west of NW corner of Lake Elsinore. Dickey Canyon. Comment
  HSC82839  Linanthus jonesii A. C. Sanders, Pitzer, Charlton, Kniffen 1986-3-3 6108 Riverside Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the S 489 Comment
  JOTR36429  Linanthus jonesii La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 678 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  RSA775946  Linanthus jonesii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 936 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  SBBG87393  Linanthus jonesii A. C. Sanders with B. Pitzer, D. Charlton 1986-3-1 6007 Riverside Chuckwalla Valley, 1 mi W of Hayfield Lake, 2 mi SW of pumping station on a small cutoff rd from Hayfield Rd to the dirt rd to Colorado River Aqueduct 426 Comment
  UC23671  Linanthus lemmonii Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains Comment
  UC23767  Linanthus parviflorus H. M. Hall 1896-4-3 272 Riverside near Riverside Comment
  UC52447  Linanthus parviflorus H. M. Hall Mar 1898 Riverside Temescal Comment
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Nov 26 2011
  UCR280818  Lithophragma affine Mitch Provance 2017-5-4 517- 51 Riverside San Jacinto Mountains, Idyllwild, near corner of Canyon Dr. and Marian View Dr. 1585 Comment
  POM128389  Lithophragma affine subsp. mixtum T. Craig 1927-4-23 221 Riverside Glen Ivy. Comment
  RSA612778  Loeflingia squarrosa D. L. Banks, Victor Steinmann 1997-3-13 1424 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  CAS-BOT-BC401085  Loeseliastrum matthewsii Sarah J. De Groot; April Garbat 2013-3-27 6890 Riverside Along Highway 177 at the northwest foot of the Granite Mountains, south end of the Cadiz Valley 396 Comment
  RSA0121391  Loeseliastrum matthewsii Duncan S. Bell, LeRoy Gross 2016-3-31 9192 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 492 Comment
  CAS-BOT-BC342257  Logfia filaginoides F. W. Peirson 1921-3-22 5277 Riverside Murray Canyon near Palm Springs 487 Comment
  SD136936  Lomatium dasycarpum subsp. dasycarpum Steve Boyd, Tim Ross, Orlando Mistretta 1992-3-31 6740 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. Morgan Trail from Round Potrero west to junction with Tenaja Trail in north fork Bear Crk 669 Comment
  SD215374  Lomatium lucidum Steve Boyd, Tim Toss et al 1990-4-2 4039 Riverside Vail Lake area,lower slopes of Agua Tibia Mountain, along Highway 79, east of USFWS Dripping Springs Guard Station 487 Comment
  RSA0120234  Lomatium mohavense Duncan S. Bell, Thomas Stoughton 2016-4-14 9284 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  UCR265563  Lomatium mohavense Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 4 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  UCR256753  Lomatium utriculatum T. B. Salvato, Matthew Malle 2013-4-15 7542 Riverside Gavilan Hills, dirt SCE powerline access road east of Lake Street and northwest of Hilltop Drive. 0.83 mi north-northeast of the junction of Lake Street and Hwy I-15 478 Comment
  CAS-BOT-BC234804  Lonicera subspicata A. C. Sanders 1995-11-26 17910 Riverside Tule Creek Valley, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Small cyn crossing Spanish Spur Trail ca. 0.1 mi. N of Deer Spr. Trail, 0.2 mi. N of Kearsarge Rd. 1188 Comment
  SFV11717  Lonicera subspicata M. L. Vincent 1963-7-8 431 Riverside Santa Ana Mountains Upper San Juan Campground, Highway 74. Comment
  JEPS12865  Lonicera subspicata var. denudata W. L. Jepson May 17 1901-Jun 1 1901 1560 Riverside near Temescal (Waller's Ranch) Comment
  SD11887  Lonicera subspicata var. johnstonii Victor Duran 1933-7-2 3496 Riverside Vandeventer Flat, Santa Rosa Mountains. 1520 Comment
  HSC66448  Lotus argophyllus B. Gustafson 1977-4-7 5586 Riverside Whitewater Canyon Rd., 2.5 mi. W of Jct. I-10 with State 62. Near start of Angeles Crest Trail. 610 Comment
  SEINET3224411  Lotus argophyllus G. Goodwin 2012-6-15 3465 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  SDSU13582  Lotus corniculatus W. Miller with C. Mosse 1972-7-11 Riverside Comment
  RSA0093975  Lotus hamatus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37673 Riverside Peninsular Range; foothills of Gavilan Hills. Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 372 Comment
  UCR182312  Lotus hamatus Mitch Provance 2003-4-5 6613 Riverside San Bernardino Valley, Jurupa Mountains, Glen Avon, slopes above the northern extreme of Campbell St 274 Comment
  UCR92330  Lotus heermannii Scott D. White, M. D. Wilcox 1995-7-11 3469 Riverside Peninsular Range; Santa Ana Mtns., upper forks of Decker Canyon, SW of Main Divide Truck Trail 730 Comment
  RSA709191  Lotus humistratus A. C. Sanders, T. B. Salvato 2005-4-28 29673 Riverside Peninsular Ranges: Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine. 625 Comment
  UCR250382  Lotus humistratus A. C. Sanders, John F. Green 2014-4-4 40967 Riverside Peninsular Range; Elsinore Trough, N of Elsinore at Alberhill, along Lake St. south of the Temescal Canyon Rd. intersection, 378 Comment
  POM307257  Lotus nevadensis var. nevadensis Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2129 Riverside Santa Rosa Mountains. Comment
  UCR17520  Lotus nevadensis var. nevadensis Frank C. Vasek 1979-7-26 s.n. Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  POM12928  Lotus oblongifolius P. A. Munz 1922-6-27 5853 Riverside Santa Rosa, Santa Rosa Mts. 1982 Comment
  RSA249854  Lotus oblongifolius R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38126 Riverside San Bernardino National Forest, San Jacinto Mts.: In James Reserve 1677 Comment
  UCR158268  Lotus salsuginosus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29494 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
  UCR125296  Lotus scoparius A. C. Sanders 2002-11-21 25625 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy,' mouth of Bixby Canyon 457 Comment
  CLARK-A1528-488  Lotus strigosus Art Dawson 1968-4-17 Riverside Prado Dam Comment
  RSA708492  Lotus strigosus var. tomentellus Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10888 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills , just east of Coachella Canal. 24 Comment
  UCR279350  Lotus strigosus var. tomentellus A. C. Sanders, Jim Malusa 2017-3-23 42939 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
  POM24281  Lotus tomentellus Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA496357  Lotus wrangelianus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3031 Riverside Vail Lake area, 0.5 mi WNW of dam, clay soil deposits on dissected bench, S flank Oak Mountain. 488 Comment
  SEINET7097942  Lotus wrangelianus A. G. Vestal 1937-3-21 s.n. Riverside Near Garnet. UTM Zone 11, 542095 mE, 3751177 mN. Lat. 33 54' 07ao N, Long. -116 32' 41ao NAD 27 (Converted to WGS84 decimal degrees) Comment
  POM13082  Luetkea pectinata Philip A. Munz 1921-06 s.n. Riverside Tacquitz Ridge 2439 Comment
  UCR1291B  Lupinus albifrons Martha McCarthy 1960-4-24 s.n. Riverside Santa Ana Mtns, 150 yd east of Teneja Rd. and c. 8 mi from the junction with Washington Ave., Murrieta 732 Comment
  POM230897  Lupinus arizonicus Richard Arnold 1932-3-26 s.n. Riverside Blythe, Riverside Comment
  POM349937  Lupinus arizonicus Robert L. Dressler 1949-3-19 430 Riverside Coxcomb Mountains, 23 miles NE of Desert Center. Comment
  UCR148461  Lupinus arizonicus S. J. Myers 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 8 miles (3.5 air line) east of North Shore along Coachella Canal right-of-way, NW of Rancho Dos Palmas 24 Comment
  SEINET10490537  Lupinus arizonicus subsp. arizonicus David B. Dunn 1946-2-22 Dunn 1965 Riverside In mud flats dry, caked and split. All american canal catch basin from desert Washes. Oracopia mountains ne of the saltan sea. Very arid country Comment
  HSC85456  Lupinus bicolor Steve Boyd 1986-4-2 1599 Riverside Harford Springs County Park, NW corner of the Gavilan plateau 612 Comment
  OBI42677  Lupinus bicolor B. Pitzer & K. Kirtland, K. Kirtland 1986-5-6 201 Riverside Butterfield State Ranch dev, in the hills on the N side of Pauba Valley, in the Ranch Calif area, 1 mi S of Buck Mesa on the E side of Butterfield State Rd. T7S, R2W, sec 36 457 Comment
  RSA583482  Lupinus bicolor Steve Boyd 1995-5-13 8512 Riverside Santa Ana Mountains, south of Elsinore Peak near intersection of road to radio towers on summit and trail following old Main Divide Road grade. 1037 Comment
  UCD107123  Lupinus bicolor Rimo Bacigalupi; L. Heckard 1962-3-25 8406 Riverside near headwaters of Temescal Wash and Canyon, western base of Estelle Mtn. and just opposite Indian Canyon (from west); 3.3 miles northwest of Alberhill. 335 Comment
  UCR154762  Lupinus bicolor T. B. Salvato, Kent Beaman 2005-5-16 789 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
  POM317055  Lupinus bicolor subsp. microphyllus F. W. Peirson 1922-4-29 5224 Riverside South of Lake Elsinore. 381 Comment
  RSA33560  Lupinus bicolor subsp. microphyllus N. C. Cooper 1944-3-24 1008 Riverside Banning. 701 Comment
  UC668380  Lupinus concinnus Annie M. Alexander and Louise Kellogg 1941-5-6 2127 Riverside 13 mi sw 29 Palms (Joshua Tree National Monument); , sw of 29 Palms 1371 Comment
  POM46815  Lupinus concinnus subsp. orcuttii Mary F. Spencer 1920-4-19 1464 Riverside Palm Springs. 122 Comment
  POM157901  Lupinus densiflorus var. lacteus Philip A. Munz 1927-5-20 10792 Riverside Murrieta Hot Springs. Comment
  RSA395898  Lupinus densiflorus var. lacteus Steve D. Boyd 1986-4-22 1763 Riverside Temescal Canyon; W side of Indian Wash, S of I-15 Comment
  CAS-BOT-BC216687  Lupinus excubitus subsp. hallii Elizabeth McClintock 1965-6-25 s.n. Riverside A short distance below the summit, Santa Rosa Mountain Comment
  CAS-BOT-BC216697  Lupinus excubitus var. excubitus P. C. Everett 1935-6-18 7182 Riverside 1 mile from Ortega Highway, Main Divide Motorway to Santiago Peak, Santa Ana Mountains 731 Comment
  UCR138142  Lupinus excubitus var. hallii D. L. Banks, V. W. Steinmann 1997-3-13 1444 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  SD126382  Lupinus formosus D. B. Dunn, Conrad and Kenney 1973-6-15 20769 Riverside At the junction of Highway 74 and 71; a gas station on the southwest corner. 1431 Comment
Read comments
May 24 2012
  UCD107745  Lupinus formosus Richard Bates 1949-5-21 s.n. Riverside road to Pinon Flats from Idyllwild, San Jacinto Mtns. Comment
  CDA27443  Lupinus hirsutissimus T. C. Fuller 1964-4-14 11816 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  UCD170864  Lupinus hirsutissimus A. C. Sanders; T. B. Salvato, Mitch Provance 2003-4-4 25849 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  UCR258631  Lupinus hirsutissimus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7896 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  RSA413773  Lupinus longifolius Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  SFV13141  Lupinus longifolius M. J. Thor 1982-9-17 148 Riverside San Jacinto Mountains Idyllwild Park. Lily Creek, rocky part along roadway. 1616 Comment
  RSA619547  Lupinus microcarpus D. L. Banks 1997-5-5 1996 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
  UCR16239  Lupinus microcarpus var. densiflorus Margaret-Lee Dean 1965-3-25 s.n. Riverside 0.25 mi. west of Redlands Boulevard on Hwy 60 488 Comment
  POM99001  Lupinus microcarpus var. densiflorus E. C. Jaeger 1926-3-27 s.n. Riverside Bautista Valley 1220 Comment
  UCR107751  Lupinus microcarpus var. microcarpus D. L. Banks 1997-5-5 1996 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
  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
  JOTR32123  Lupinus sparsiflorus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2280 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  UC1506127  Lupinus sparsiflorus R. T. and J. M. Clausen 1963-4-27 63075 Riverside se Winchester; se of Winchester 680 Comment
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Mar 20 2011
  UC865110  Lupinus sparsiflorus Carl B. Wolf 1932-5-25 3669 Riverside Snow Creek Canyon Snow Creek Canyon (No. base of San Jacinto Mts.; 1/2 mi. below fish hatchery); San Jacinto Mts 548 Comment
  UCD109478  Lupinus sparsiflorus C. L. Hitchcock 1966-3-16 24186 Riverside 5 miles n.e. of Aguanga. Comment
  RSA339345  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54103 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  RSA414815  Lupinus sparsiflorus subsp. sparsiflorus Richard C. Barkelew, Mark Morris 1929-3-10 s.n. Riverside Indian Canyon , San Jacinto Mts Comment
  RSA414401  Lupinus truncatus M. V. Hood 1945-3-25 s.n. Riverside Colorado Desert, Highway 71 near Aguanga 588 Comment
  UC1537127  Lupinus truncatus Gordon H. True Jr. 1935-3-1 99 Riverside Gavilan Hills 609 Comment
  UC1930004  Lupinus truncatus Scott D. White, Michael Honer 2003-4-25 9097 Riverside SAN BERNARDINO MTS: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of Road, on alluvial fan adjacent steep east-facing mountain slope. Comment
  UCR155323  Lupinus truncatus A. C. Sanders, Mike Misenhelter 2005-3-23 29253 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  VVC231  Lupinus truncatus F. Ambrey 1959-4-29 s.n. Riverside On Pala Rd, 2.4 mi South of jct w St Hwy 71 on north side of rd. 323 Comment
  SD112315  Luzula cascadensis Darley F. Howe 1941-6-8 1104 Riverside Strawberry Creek, San Jacinto Mountains. Comment
  RSA422108  Lycium andersonii M. B. Dunkle 1937-3-25 4926 Riverside Colorado Desert. Shaver's Well Comment
  UCR17043  Lycium andersonii O. F. Clarke 1970-11-14 s.n. Riverside Peninsular Range, Near the Hagney Property on the SE side of Lake Matthews Comment
  UCR139380  Lycium brevipes I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Palm Canyon 427 Comment
  CAS-BOT-BC231480  Lycium brevipes var. brevipes Peter H. Raven 1958-1-24 11467 Riverside Cottonwood Springs, Joshua Tree National Monument 914 Comment
  UCR89528  Lycium cooperi Bern Schwenn 1994-4-9 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument: Little San Bernardino Mtns, 'Hidden Gold' Canyon in 1st canyon downstream of fork with the Hidden Gold Mine 1116 Comment
  RSA0048232  Lycopus americanus Louis C. Wheeler 1933-9-4 1317 Riverside Santa Ana River at Chino Creek. 182 Comment
  SDSU21790  Lysimachia minima Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3988 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  CLARK-A1656-853  Lythrum californicum Jon Mark Stewart 1983-10-31 Riverside San Jacinto Mountains 548 Comment
  UCR19114  Lythrum californicum John C. Roos 1946-9-14 3010 Riverside Santa Rosa Mtns, Dos Palmas Spring, east of Asbestos Mountain 1070 Comment
  UCR6385  Lythrum hyssopifolia O. F. Clarke 1967-6-16 s.n. Riverside University of California, Riverside, Greenhouse 16 [near East Campus Dr. and Eucalyptus Dr.] Comment
  UCR33737  Machaeranthera cognata J. M. Stewart 1984-2-20 84- 5 Riverside Sonoran (Colorado) Desert, Coachella Valley, Indio Hills, ridge & W-facing canyon and slopes, SE of Biskra Oasis 122 Comment
  UC1608211  Madia exigua Steve Boyd and Tim Ross 1992-6-10 7642 Riverside due w junction of Tenaja Road (7S01) and Los Alamos Road (7S04) (at confluence of Los Alamos Creek & main trunk of San Mateo Creek, San Mateo Canyon about Potrero Escondido, isolated area of low relief top the ridge); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 670 Comment
  UC484191  Malacothamnus densiflorus J. T. Howell 1928-7-8 1056 Riverside above Glen Ivy; Santa Ana Mtns 914 Comment
  CSUSB1447  Malacothamnus fasciculatus Karen Cook 1966-5-19 Riverside North-facing slope at foot of Mount Rubidoux, in Riverside. 243 Comment
  UCR106341  Malacothamnus fasciculatus John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  RSA0087586  Malacothamnus fasciculatus C. W. Tilforth 1969-7-26 221 Riverside Road to Santa Rosa Mtn. Comment
  UC63859  Malacothamnus fasciculatus var. fasciculatus H. M. Hall 1897-5-5 528 Riverside Winchester Comment
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Mar 20 2011
  POM11908  Malacothrix coulteri P. A. Munz 1922-4-29 5108 Riverside Sedco Station, Temescal Canyon Comment
  JEPS36767  Malacothrix glabrata W. L. Jepson May 17 1901-Jun 1 1901 1254 Riverside 4 mi n Hemet; San Jacinto River Comment
  POM362318  Malacothrix glabrata W. Hutchinson 1925-04 s.n. Riverside Palm Springs. Comment
  RSA682161  Malacothrix glabrata Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10484 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
  UCR167223  Malacothrix glabrata S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  CAS-BOT-BC347894  Malacothrix saxatilis var. tenuifolia Katherine Esau 1935-6-20 s.n. Riverside Beaumont Grade Comment
  RSA692250  Malacothrix saxatilis var. tenuifolia Scott D. White, Michael Honer 2003-5-27 9401 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak '2349.' 396 Comment
  UCR270308  Malosma laurina T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8376 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
  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
  UCR180046  Malva parviflora Mitch Provance 2005-5-18 9809 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UCR51560  Malva sylvestris Lyman Benson 1946-4-15 12016 Riverside [Calimesa area] 6 mi. SE of Redlands 610 Comment
  UCR114199  Malvella leprosa A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23633 Riverside Perris-Aguanga Basin Region, gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, south of Scott Rd. 415 Comment
  UCR182522  Malvella leprosa Mitch Provance 2005-5-17 6561 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  SFV6503  Mammillaria dioica T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 41 Riverside 4 miles south of Highway 111 on Highway 74. 305 Comment
  RSA495419  Marah macrocarpa Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2894 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  UCD106738  Marina parryi Steve Boyd; Thomas S. Elias and Erika Winter 1986-2-18 1319 Riverside Mecca Hills, Colorado Desert: Painted canyon N of Hwy 195. Comment
  UCR72171  Marina parryi Theo Glenn 1991-5-7 91- 94 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 365 Comment
  CAS-BOT-BC71090  Marsilea vestita W. G. Wright; C. G. Pringle 1881-1-1 s.n. Riverside Riverside Comment
  CLARK-A1045-160  Marsilea vestita George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool near origin of creek; Wildomar 7.5'Q Comment
  RSA199004  Marsilea vestita R. F. Thorne, E. Lathrop, P. A. Munz 1968-5-8 37566 Riverside Santa Rosa Plateau: Shallow water of vernal marsh on Mesa de Colorado, Rancho California 671 Comment
  SD162826  Melica californica A. C. Sanders 1997-3-15 19916 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills, rocky gabbro and granite hill 566 Comment
  HSC10353  Melica imperfecta C. L. Hitchcock, C. V. muhlick 1964-3-17 23101 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
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Jul 9 2010
  RSA524411  Melica imperfecta Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4103 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA753930  Melica imperfecta W. Schlegel, Andrew Trouette, Jordan Zylstra 2009-4-16 28 Riverside Idyllwild, Garner Valley. Comment
  SEINET949795 Image available Melica imperfecta Mitch Provance 2003-1 9906 Riverside Santa Ana River Valley: Northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just S of Crestlawn Memorial Cemetery 274 Comment
  CLARK-A1528-511  Melilotus albus Ken F. Clarke 1971-9-7 Riverside Riverside Comment
  SEINET2063365 Image available Melilotus indicus Ed LaRue 1989-4-7 Riverside Woodcrest area: 1/2 mi NE of intersection of Van Buren Blvd. & Mockingbird Canyon Rd. 365 Comment
  RSA69703  Mentzelia affinis F. W. Peirson 1928-3-11 7713 Riverside 8 miles SE of Palm Springs, Riverside County. Comment
  UC454537  Mentzelia dispersa I. J. Condit 1910-6-24 Riverside San Jacinto Mountains 914 Comment
  UC64310  Mentzelia dispersa H. M. Hall June 1897 657 Riverside vicinity Strawberry Valley; San Jacitno Mountains 1584 Comment
  UCR193854  Mentzelia dispersa A. C. Sanders, Mitch Provance 2008-7-11 35767 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
  RSA0014463  Mentzelia involucrata Justin M. Wood, J. Miner 2010-4-29 1537 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  RSA0106761  Mentzelia involucrata Duncan S. Bell, Amanda Turek 2009-3-29 140 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; large narrow canyon to the west of Priest Mine. 420 Comment
  SBBG97174  Mentzelia involucrata W. L. Halvorson 1977-3-8 77 -94 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UCSB8382  Mentzelia involucrata Gunnerson, Robert 1953-3-22 Riverside 9 miles east of Indio Comment
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Nov 23 2014
  POM126251  Mentzelia involucrata var. megalantha Thomas Craig 1927-4-2 25 Riverside Canyon near Hidden Springs. Comment
  RSA440401  Mentzelia involucrata var. megalantha P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Foot of canyon side. Comment
  RSA69584  Mentzelia involucrata var. megalantha F. W. Peirson 1926-1-31 6494 Riverside Dos Palmas [Spring], Colorado Desert. Comment
  HSC29905  Mentzelia longiloba R. W. Spjut 1972-3-20 2285 Riverside Riverside/San Bernardino Co., Colorado Desert, 4-10 mi. W of Rice (N end of Maria Sand Dunes), along Hwy. From Rice to 29 Palms Hwy. or to Desert Center. 305 Comment
  UC1004770  Mentzelia longiloba E. C. Jaeger 1939-12-16 Riverside Chuckwalla Springs 182 Comment
  RSA554371  Mentzelia nitens Theo Glenn 1991-4-9 91 -137 Riverside Big wash in Eagle Mountains 787 Comment
  RSA446831  Mentzelia obscura N. C. Cooper 1949-4-8 3303 Riverside Desert Center. 610 Comment
  OBI12495  Mentzelia veatchiana Robert F. Hoover 1969-4-11 11212 Riverside Mouth of Morongo Valley cyn Comment
  UCR75555  Mesembryanthemum nodiflorum A. C. Sanders 1993-5-12 14003 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
  RSA562102  Micropus californicus Steve Boyd 1992-4-14 6804 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  SD146006  Microseris douglasii subsp. douglasii A. C. Sanders, K. C. Rose 1998-5-21 21860 Riverside Hemet; alkaline flats west of town, east of the canal, south of Highway 74 and ca. I(c) mile west of Warren Road (mak 10/07) 456 Comment
  UCR97275  Microseris douglasii subsp. platycarpha D. E. Bramlet 1995-4-26 2398 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, S facing slope adjacent (N) of the water tank maintenance road (road from BM 1487), c. 671m east of the entrance road, at junction of maintenace road and road to Tucalota Creek 476 Comment
  UCR120954B  Microseris heterocarpa A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23875 B Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  RSA563890  Microseris lindleyi Scott D. White 1993-4-20 1208 Riverside Estelle Peak, Gavilan Hills. 823 Comment
  RSA613402  Microseris lindleyi D. L. Banks 1997-4-5 1689 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
  RSA716263  Microseris lindleyi Scott D. White, Angelia Carey 2004-4-5 9997 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR171987  Microseris lindleyi John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  UC943892  Mimulus H. E. McMinn and M. Van Rensselaer 1945-6-7 1895 B Riverside along Indian Truck Trail east side of Santa Ana Mts. 960 Comment
  RSA666637  Mimulus aurantiacus var. pubescens A. C. Sanders, Mark A. Elvin, Julie Vanderwier 2002-4-22 25001 Riverside The Badlands: summit of Mt. Eden, SW of Beaumont. 686 Comment
  UCR48340  Mimulus aurantiacus var. pubescens Steve Boyd 1986-4-22 1749 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  JEPS34541  Mimulus aurantiacus var. puniceus Freed W. Hoffman 1950-4-24 3573 Riverside where Winchester road turns off from Highway #74; Rock Brook Ranch Comment
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Mar 20 2011
  RSA420942  Mimulus bigelovii var. bigelovii Emery M. Whilton 1937-3-24 s.n. Riverside Taken in Coachella Valley. Comment
  UC26868  Mimulus bigelovii var. bigelovii W. G. Wright c. 1889 1753 Riverside Colorado Desert and Mojave Desert Comment
  UCR262572  Mimulus brevipes T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3748 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  RSA587175  Mimulus clevelandii D. L. Banks, S. D. Boyd 1995-6-2 559 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, approximately 1/4 mile S of the clay grasslands in S32. 902 Comment
  SBBG118782  Mimulus floribundus S. D. White 1999-6-6 7441 Riverside near Idyllwild Community Service District sewage ponds at terminus of USFS Rd 5S24.2; T5S R2E boundary of S15/22 1430 Comment
  UCSC000867  Mimulus fremontii Peter Kamb 1947-6-7 563 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  UC26929  Mimulus fremontii var. fremontii H. M. Hall June 1901 2049 Riverside vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  UCR133414  Mimulus guttatus Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 317 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  SEINET12269984  Mimulus longiflorus H. M. Hall 1902-1 2928 Riverside vicinity of Riverside 457 Comment
  UC56262  Mimulus parishii F. Gilman 1902-1 17 Riverside Palm Springs Comment
  POM157886  Mimulus pilosus P. A. Munz 1927-5-20 10798 Riverside Murrieta Hot Springs. Comment
  RSA314473  Mimulus pilosus Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55380 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  UC64196  Mimulus primuloides H. M. Hall July 1901 2349 Riverside Tauquitz Valley San Jacinto Mountains 2438 Comment
  UC27007  Mimulus tilingii H. M. Hall 1897-7-22 709 Riverside San Jacinto Mt. 2743 Comment
  CAS-BOT-BC385088  Mirabilis albida D. E. Breedlove 1961-9-11 1262 Riverside At Pinon Flats Campground along State Hwy 74; Santa Rosa Mountains 1249 Comment
  UCR104012  Mirabilis bigelovii George K. Helmkamp 1998-4-4 3131 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  CHSC36008  Mirabilis bigelovii var. retrorsa James Henrickson 1973-3-18 8609 Riverside Ca. 33 (air) miles E of Temecula, 5-7 miles SE of Terwilliger at N end of Coyote Canyon Road, on the first steep grade down to canyon. 792 Comment
  GMDRC2044  Mirabilis bigelovii var. retrorsa J. Andre 2006-4-26 6761 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  UCR226999  Mirabilis bigelovii var. retrorsa Jim Andre 2011-2-2 16220 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  CSUSB1327  Mirabilis californica D. Gordon 1952-3-3 Riverside UCR campus 396 Comment
  UCR264233  Mirabilis laevis A. C. Sanders, Jim Malusa 2015-9-10 41860 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  RSA0107846  Mirabilis laevis var. crassifolia Duncan S. Bell, Amanda Turek 2009-3-30 170 Riverside Southeast section of the Arica Mountains; approximately 1.25 air miles southwest of Priest Well. 349 Comment
  SEINET244862  Mirabilis laevis var. crassifolia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24920 Riverside The Badlands; Hills and canyones west of Laborde Canyon, 1 miles northeast of Eden Hot Springs, SW of Beaumont 610 Comment
  RSA0124374  Mirabilis laevis var. retrorsa Duncan S. Bell, LeRoy Gross 2016-3-31 9199 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 591 Comment
  RSA49376  Mirabilis laevis var. villosa P. A. Munz 1949-4-12 13037 Riverside North base of Eagle Mts., Mojave Desert. 945 Comment
  UC212968  Mirabilis laevis var. villosa S. B. Parish 1918-4-3 11704 Riverside Lakeside Mountains 457 Comment
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Nov 20 2011
  UCR23539  Mirabilis multiflora var. pubescens John C. Roos 1946-8-27 2785 Riverside Peninsular Range, Santa Rosa Mtns 2287 Comment
  POM121879  Mirabilis tenuiloba Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  UCR35351  Mollugo cerviana L. B. Ziegler 1974-7-28 534 Riverside San Jacinto Valley, garden of "Gleason Plantation" 473 Comment
  UCR59524  Monardella lanceolata Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3603 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  RSA774118  Monardella linoides subsp. linoides Duncan S. Bell, Colleen Wheeler 2010-7-19 1629 Riverside San Bernardino National Forest: Garner Valley, in the vicinity of the Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1377 Comment
  UCR19082  Monardella linoides subsp. linoides John C. Roos 1946-9-14 3009 Riverside Santa Rosa Mountains, Taylor, desert slope on Palms to Pines Highway 1098 Comment
  RSA752882  Monardella linoides subsp. stricta Orlando Mistretta 2009-7-10 3996 Riverside Santa Ana River Canyon. Vicinity of Camp Round Meadow; 0.40 miles SE of junction of highway 38 and Jenks Lake Rd. 2027 Comment
  LA57198  Monardella nana G. Bokker; May 1938 sn Riverside Palms to Pines Highway, near Ribbonwood Comment
  LA96098  Monardella nana Elizabeth McClintock; Harlan Lewis 1941-6-29 78 Riverside Santa Rosa Mountain, road up Santa Rosa Mts. 2.3 mi beyond canyon where stream crosses road Comment
  RSA750271  Monardella nana subsp. tenuiflora Elizabeth McClintock, H. Lewis 1941-6-22 70 Riverside Stne Creek on the Banning-Idyllwild road. Comment
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Mar 1 2014
  SEINET3996321 Image available Monardella nana subsp. tenuiflora Helen K. Sharsmith 1954-7-7 4444 Riverside San Bernardino National Forest; between Fuller Creek and Idlewild, on FS road to Black Mountain ca 1 mile from highway 1981 Comment
  UC1499852  Monardella nana subsp. tenuiflora C. Epling, H. Lewis 1942-6-17 Riverside Vandeventer Flats Santa Rosa Mountains, Pines to Palms Highway Comment
  UCR146121  Monardella nana subsp. tenuiflora Michael Denslow, M. W. Denslow Sr., Naomi Fraga, Valerie Soza, LeRoy Gross, Firoozeh Navid- Ara 2003-7-16 1459 Riverside Peninsular Ranges; San Jacinto Mtns, Santa Rosa Mountains, first peak west of Toro Peak 2617 Comment
  UCR30582  Monolepis nuttalliana John C. Roos 1966-3-1 s.n. Riverside Perris basin, San Jacinto River bottom at Perris. Comment
  UCR85587  Monolepis nuttalliana Julie A. Greene 1993-4-30 1249 Riverside San Jacinto Valley, San Jacinto Wildlife Area, south of visitors center, by waterfowl kiosk, east of Davis Road 433 Comment
  JOTR16607  Monoptilon bellioides Vanderspek & Youse 1964-4-19 64517 Riverside Joshua Tree National Park. WILSON CANYON 853 Comment
  POM363581  Monoptilon bellioides N. C. Cooper 1949-4-8 3236 Riverside Mecca Pass east of Indio. 610 Comment
  UCR19047  Monoptilon bellioides John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  UCR72207  Monoptilon bellioides Theo Glenn 1992-3-31 92- 15 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  SEINET10941521  Monoptilon bellioides David B. Dunn 1948-2-21 Dunn 3685 Riverside On top of hill to north. Pushawalla. A rain about 2 weeks earlier in wash. Hills still quite dry. Comment
  CAS-BOT-BC444628  Montia chamissoi H. M. Hall 1901-7-1 2362 Riverside San Jacinto Mountains. In meadows or along creeks of Tamarack Valley 2743 Comment
  POM10484  Mucronea californica Charlotte M. Wilder 1904-3-15 202 Riverside Wilders Canyon Comment
  RSA719787  Muhlenbergia filiformis Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1773 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  RSA0120000  Muhlenbergia microsperma Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9091 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 550 Comment
  RSA525448  Muhlenbergia microsperma Steve Boyd, Dave Bramlet 1990-4-29 4493 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA552746  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-25 6678 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  UC1117712  Muhlenbergia microsperma A. A. Beetle 1946-4-18 4231 Riverside near Murietta; DeLuz Comment
  UCD86821  Muhlenbergia microsperma A. A. Beetle 1944-4-27 1994 Riverside West of Murietta. Comment
  UCD86846  Muhlenbergia microsperma F. M. Reed 1920-1-25 4155 Riverside Riverside and Vicinity. Box Springs Mountains. 640 Comment
  SEINET10599983  Muhlenbergia microsperma Charles L. Hitchcock 1940-4-2 Hitchcock 5915 Riverside In rocks, Cottonwood Spring wash, Joshua Tree National Monument. Comment
  JOTR30811  Muhlenbergia porteri Andre, Jim, Tasha La Doux 2008-9-16 10689 Riverside Joshua Tree National Park. along Bell Mountain Rd. atop Bell Mountain, approximately 0.3 miles north of radio tower. Queen Mountain USGS 7.5 min quad Near 34 00.35' N 116 00.017' W 1358 Comment
  CLARK-A1528-4762  Muhlenbergia richardsonis Alfred R. Roos 1937-8-19 10679 Riverside San Jacinto Mountains Comment
  RSA563917  Myosurus minimus subsp. apus A. C. Sanders 1993-4-5 13691 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
  SD138817  Myosurus minimus var. apus Craig Reiser Unknown Riverside Hemet; southwestern corner of Florida & Warren Comment
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Mar 24 2011
  RSA522091  Najas marina Steve Boyd, Orlando Mistretta 1989-7-18 3759 Riverside Vail Lake area, along west shore of lake 1/2 mi S of dam. 427 Comment
  RSA357786  Nama demissa Robert F. Thorne, M. Z. Thorne 1973-3-30 42678 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA421110  Nama demissa Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA727598  Nama demissa var. demissa Naomi S. Fraga, Lisa Rojas 2005-2-10 1387 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  RSA4961  Nama hispida var. spathulata Carl B. Wolf 1932-4-27 3036 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
  UCR158882  Navarretia atractyloides Scott D. White 1994-6-14 2070 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR70514  Navarretia fossalis D. E. Bramlet 1991-6-20 2201 Riverside Perris-Aguanga Basin region, San Jacinto Valley, San Jacinto Wildlife Area: c. 8m east of Davis Rd & 150 m north of the San Jacinto River levee. Old river bed beside the channelized area of the river. 475 Comment
  RSA450147  Navarretia hamata J. C. Roos 1965-6-30 s.n. Riverside ortega Highway, Santa Ana Mtns. Comment
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May 21 2011
  UCR20978  Navarretia prostrata A. C. Sanders 1980-5-17 1466 Riverside Santa Rosa Plateau, Santa Ana Mtns., 2.5 miles SW of Murrieta, Mesa De Burro 620 Comment
  SEINET4565894  Nemacaulis denudata var. gracilis Duncan S. Bell 2010-4-2 684 Riverside Arica Mountains: west side of the mountain range within the Palen/McCoy Wilderness; c. 3 air miles northwest of Priest Well 477 Comment
  RSA85407  Nemacladus ramosissimus J. C. Roos, L. Roos 1952-4-28 5591 Riverside Box Springs Mtns. 396 Comment
  SEINET3282748 Image available Nemacladus ramosissimus A. C. Sanders, Seung-Chul Kim 2005-5-7 30061 Riverside Peninsular Range, Agua Tibia Mountains; UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank. 457 Comment
  SEINET13681943  Nemacladus rubescens Tina Ayers, Randy Scott 2017-3-19 1921 Riverside Chuckwalla Mountains, ca 8 miles west of Chuckwalla Valley Road on Dupont Road, roadside at edge of wilderness area 152 Comment
  UC126891 Image available Nemacladus rubescens H. M. Hall 1905-4-17 5819 Riverside e base Indio Mt.; Colorado Desert; Indio Mt., Colorado Desert, Riverside Co. 150 Comment
  SEINET10461125  Nemacladus rubescens Munz 1952-5-2 MUNZ 16249 Riverside 2 miles west of Desert Hot Springs 183 Comment
  UC1563074  Nemacladus tenuis var. aliformis Steve Boyd and Orlando Mistretta 1986-3-13 1460 Riverside ne of Desert Center (w side of Palen Mts, upper bajada at base of range); Palen Mts. Comment
  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
  UC131504  Nemophila menziesii var. integrifolia C. F. Baker 1903-4-4 4123 Riverside Elsinore Comment
  SDSU11219  Nicotiana attenuata H. Wedberg 1962-7-28 992 Riverside Meadow in Hemet Valley; about 1 mile from Herkey Creek Public Camp on the road to Santa Rosa Summit, San Jacinto Mountains. 1372 Comment
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Jan 24 2013
  UCR133427  Nicotiana attenuata Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 463 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR12273  Nicotiana clevelandii Art Whistler 1966-3-26 s.n. Riverside Colorado Desert/ Santa Rosa Mtns, alluvial fan below Deep Canyon, 1 mi. from the Boyd Desert Research Center. Comment
  RSA0060122  Nicotiana clevelandii Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring. Comment
  RSA648308  Nicotiana glauca Mark Hotchkiss 1977-4-12 s.n. Riverside La Loma hills. 0.25 mi. N. of Center St. Comment
  HSC82909  Nicotiana obtusifolia Christopher Davidson 1979-4-4 7737 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  JOTR16862  Nicotiana obtusifolia Vanderspek & Youse 1964-4-17 64510 Riverside Joshua Tree National Park. 883 Comment
  UC170128  Nicotiana obtusifolia E. E. Schellenger 1894-12-3 91 Riverside Chuckwalla Wash; Colorado Desert Comment
  RSA0018761  Nicotiana obtusifolia Philip A. Munz 1932-3-14 12010 Riverside Magnesia Spring Canyon, Coachella Valley. 91 Comment
  UCR174234  Nicotiana quadrivalvis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32665 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  CAS-BOT-BC71160  Notholaena californica P. A. Munz; I. M. Johnston 1922-5-21 5551 Riverside 4 mi. N.E. of San Jacinto 457 Comment
  SBBG45299  Notholaena californica W. Wright -Mar-1890 Riverside Agua Caliente [Palm Springs] Comment
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Jul 16 2010
  JEPS19051  Notholaena californica subsp. californica W. G. Wright Riverside Agua Caliente; Colorado desert Comment
  RSA146103  Oenothera californica subsp. californica Peter H. Raven 1959-5-18 14244 Riverside Hemet Meadows, San Jacinto Mtns. Comment
  RSA649936  Oenothera claviformis L. Fountain 1966-2-23 18 Riverside Colorado Desert [along Highway] 60, 1 mile south of Garnet. Comment
  UCR275466  Oenothera deltoides Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 959 Riverside Sonoran (Colorado) Desert, Blythe-Rice Road, ENE of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  SEINET3150331  Oenothera dentata M. E. Jones 1882-4-24 3168 Riverside San Jacinto Comment
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Jun 24 2020
  UCR35218  Oenothera elata L. B. Ziegler 1967-11-7 260 Riverside San Jacinto Mtns., Poppet Flats area 1070 Comment
  RSA652333  Oenothera elata subsp. hirsutissima T. Sargent 1959-5-22 s.n. Riverside S. of Temecula (Hghy. 395.) ? Comment
  CAS-BOT-BC427469  Oligomeris linifolia L. A. Greata 1905-1-1 490 Riverside Coachella Comment
  SBBG104704  Oligomeris linifolia T. Glenn 1991-5-2 91 -34 Riverside McCoy Mtns NW of Blythe Comment
  UC1080224  Olneya tesota P. C. Everett and E. K. Balls 1958-5-7 23116 Riverside entrance to Box Canyon (Hwy 195, Mecca to Blythe) 198 Comment
  RSA799666  Oncosiphon piluliferum LeRoy Gross, Bart O'Brien 2013-3-18 5950 Riverside Fairmount Park, west side of Lake Evans. Riverside. Northeast of Mount Rubidoux. 238 Comment
  SEINET10732264  Opuntia parryi Andrew Townesmith, Karen M. Meyer; Tracy Scott 2007-3-17 Townesmith 691 Riverside San Bernardino National Forest, San Jacinto Ranger District. 0.9 miles NE of route 74 on Apple Canyon Road. T6S R3E S3 San Bernardino meridian. 1358 Comment
  CAS-BOT-BC56888  Opuntia polyacantha var. erinacea C. B. Wolf 1938-6-11 3196 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  RSA286799  Orcuttia californica R. F. Thorne 1974-5-23 44665 Riverside Santa Rosa Plateau, Rancho California: Top of Mesa de Colorado, 624 Comment
  UC1534580  Orobanche bulbosa A. C. Sanders 1986-6-1 6544 Riverside along trail toward Spitler Peak from the Hurkey Creek Camp to Bonita Vista Road, San Jacinto Mountains Spitler Peak; San Jacinto Mountains Comment
  RSA0084353  Orobanche bulbosa Philip A. Munz, I. M. Johnston 1922-5-19 5330 Riverside 5 mi. N.E. of Murietta. 426 Comment
  JEPS70888  Orobanche cooperi L. R. Heckard 1973-4-24 3321 Riverside 16.3 mi n of Desert Center (on road to Rice) 243 Comment
  CAS-BOT-BC502863  Orobanche cooperi subsp. cooperi Ira L. Wiggins 1941-3-24 9589 Riverside On E side of Salton Sea, 1 mi N of Imperial County Line Comment
  CAS-BOT-BC502865  Orobanche cooperi subsp. cooperi Aven Nelson; Ruth Nelson 1939-3-28 3301 Riverside East of N end of Salton Sea, near Mecca Comment
  RSA0081027  Orobanche fasciculata Philip A. Munz 1937-5-31 15124 Riverside Kenworthy, south part of San Jacinto Mts. 1371 Comment
  UCR232768  Orobanche parishii W. P. Armstrong, Tom Chester, D. Stith, James Dillane 2008-8-12 1347 Riverside Peninsular Range; San Jacinto Mtns., just north of where a small side drainage comes into Long Valley Creek, about 40 m north of where the drainage from Hidden Divide joins Long Valley Creek 2530 Comment
  POM121835  Oxytheca trilobata Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UC849856  Oxytheca trilobata P. A. Munz 1922-6-25 5818 Riverside Vandeventer Flat San Jacinto Mts. 1402 Comment
  UCR131802  Paeonia californica Mrs. D. R. Wolf 1932-3-20 19 Riverside Santa Rosa Plateau, Richman Ranch, 2.5 miles north of DeLuz, SW Riverside County 457 Comment
  UCSB46703  Paeonia californica James, Susanne 1977-4-23 Riverside Santa Ana foothills, south of Elsinore and north of Murietta Hot Springs 1219 Comment
  RSA747720  Palafoxia arida Justin M. Wood 2009-3-26 403 Riverside Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  SBBG35133  Palafoxia arida T. L. Secrest 1948-4-7 Riverside 5 mi below Whitewater 274 Comment
  SEINET10799066  Palafoxia arida David B. Dunn 1946-3-15 Dunn 2038 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  JEPS34754  Palafoxia arida var. arida I. W. Clokey 1935-4-17 6838 Riverside e Shafer Wells; Colorado Desert; [Shaver's Wells] Comment
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Apr 24 2011
  RSA363749  Palafoxia arida var. arida R. Sorg 1981-5-9 72 Riverside Interstate of Pierson Blvd and Little Morango Rd. 305 Comment
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Dec 4 2014
  UCD84934  Palafoxia arida var. arida Chuck Hughes 2010-3-22 206 Riverside About 9.4 miles south of Highway 62, next to railroad tracks. 245 Comment
  RSA801737  Panicum antidotale Anonymous 1952-9-20 s.n. Riverside San Jacinto Valley. Hemet. Comment
  UCD90128  Panicum urvilleanum W. A. Williams 1958-1-28 s.n. Riverside 1 mile S of Whitewater. Comment
  RSA0112293  Panicum urvilleanum Mary F. Spencer 1919-6-17 1311 Riverside San Jacinto. 305 Comment
  RSA516425  Papaver californicum Walter Wisura 1990-5-2 4432 Riverside Ortega Hwy, at lower switchbacks above Lake [Elsinore] . Comment
  CAS-BOT-BC274187  Pappostipa speciosa H. M. Hall 1899-5-1 1177 b Riverside El Toro Mt. Comment
  CAS-BOT-BC274190  Pappostipa speciosa H. M. Hall 1899-5-1 1177 a Riverside San Jacinto Mountains. El Toro Mt. Comment
  SD237635  Parietaria hespera A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37746 Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Road, 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi NE (25a^z)of Temescal Canyon Road where it goes under I-15 (Alberhill 7.5'Q) 404 Comment
  RSA605789  Parkinsonia aculeata Scott D. White 1996-3-23 3846 Riverside Santa Rosa Hills, SE of Hemet (Loomis property: ''Friendly Hills Ranch''). 595 Comment
  SD80060  Parkinsonia florida Nancy Ryan-Zabriskie, Harold J. Ryan 1970-4-27 283 Riverside Boyd Deep Canyon Research Center near Palm Desert. 213 Comment
  SDSU7891  Parkinsonia florida D. L. Harrison 1967-4-13 13 IV87D Riverside Sandy roadside. From jet. of St. Rt. 111 & St. Rt. 195 in Mecca, NE 15 miles on St. Rt. 195 in the Mecca Hills. 91 Comment
  RSA698045  Parosela emoryi J. R. Bruff 1932-3-22 s.n. Riverside Between Garnet and Edom Comment
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Apr 5 2011
  CLARK-A1528-81  Paspalum dilatatum C. M. Flanagan 1973-6-13 OO 707 Riverside Morongo Indian Reservation 1127 Comment
  RSA339330  Pectis papposa R. F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-22 53567 Riverside Joshua Tree National Monument: Just S of San Bernardino Co. line near jct of road to Split Rock and 29 Palms; Valley W of Pinto Mountains 1098 Comment
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Apr 25 2011
  RSA778391  Pectis papposa Amber Swanson, Linda Jean Foster 2011-10-8 643 Riverside Washes in the Little Santa Maria Wilderness W of Midland/Blythe-Rice Rd. 272 Comment
  UCR265207  Pectis papposa Ken Halama 2015-10-9 s.n. Riverside Perris Basin, Motte Reserve, c. 2.5 mi. NW of Perris, eastern edge of the Gavilan Hills 542 Comment
  GMDRC3106  Pectis papposa var. papposa J. Andre, T. La Doux 2008-9-13 10268 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
  RSA782001  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-12 110 Riverside Rice Valley Dunes, Rice Valley Wilderness. Highway 62 toRice Valley Dunes Road to Midland Vidal Road (Power Line Access Road). South/South east side of dunes. 244 Comment
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Apr 1 2019
  CAS-BOT-BC169751  Pectocarya anisocarpa H. M. Hall 1902-4-22 2943 Riverside Vicinity of Riverside 396 Comment
  UCR84893  Pectocarya anisocarpa A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16116 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
  UCR97470  Pectocarya anisocarpa A. C. Sanders 1997-3-1 19754 Riverside Box Springs Mountains, E side of Pigeon Pass Valley c. 1/2 mile NW of Lawless Ranch, east of intersection of Hidden Springs Road and Pigeon Pass Road. 579 Comment
  CLARK-A1656-709  Pectocarya heterocarpa Theo Glenn 1979-2-12 Riverside Palm Springs Comment
  RSA475294  Pectocarya heterocarpa Steve Boyd, S. Meury, Richard Noyes, D. Nordin, Timothy S. Ross 1988-3-10 2106 Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  SD28017  Pectocarya heterocarpa Carl B. Wolf 1932-4-27 3041 Riverside Colorado Desert, Mecca to Blythe Road, 3/4 mile west of Utopia 149 Comment
  PASA1954  Pectocarya linearis Sally Ellis 1940-3-17 Riverside Dripping Springs Comment
  RSA683869  Pectocarya linearis Scott D. White, Michael Honer 2003-4-4 8957 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  SDSU18953  Pectocarya linearis subsp. ferocula C. Matt Guilliams, Jeannine Ross 2008-3-12 535 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 436 Comment
  POM368784  Pectocarya penicillata N. C. Cooper 1949-3-15 3013 Riverside Banning. 701 Comment
  RSA0013702  Pectocarya penicillata LeRoy Gross, Grace Cho 2013-4-9 5997 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR183178  Pectocarya penicillata Mitch Provance 2003-5-5 4407 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR239798  Pectocarya penicillata O. F. Clarke 2004-3-14 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River c. 200 m below old Salt Lake Railroad bridge 215 Comment
  RSA0125296  Pectocarya platycarpa Duncan S. Bell 2016-3-3 8782 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3.5 air miles east northeast of Kitching Peak. 820 Comment
  RSA559922  Pectocarya platycarpa Steve Boyd, C. Boyd, K. A. Boyd 1992-4-19 6911 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  RSA695831B  Pectocarya recurvata J. R. Bruff 1928-4-2 97 -B Riverside Canyon wash west of Morango Comment
  RSA777854  Pectocarya recurvata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 844 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  RSA192066  Pedicularis densiflora E. W. Lathrop 1959-4-2 4408 Riverside 18 miles S.W. of Elsinore. Tenaja plateau, south slope Comment
  UC27315  Pedicularis densiflora Wright 1791 Riverside Beaumont Comment
  RSA5899  Pedicularis semibarbata Carl B. Wolf 1932-8-5 3972 Riverside Slopes of San Jacinto Peak, 1/2 / 2/3 mi. below simmit of trail to Idyllwild. 3049 Comment
  UC103245  Pedicularis semibarbata A. W. Anthony 1895-7-7 Riverside San Jacinto Mountains 2743 Comment
  RSA586088  Pellaea andromedifolia var. andromedifolia Darin L. Banks, Steve Boyd 1995-3-30 116 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 713 Comment
  UCR162271  Pellaea mucronata S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, Juan Diego Flats on powerline trail west to Reed Valley, NW of Cahuilla Mountain 1244 Comment
  CAS-BOT-BC422327  Pellaea mucronata subsp. mucronata Andrew Townesmith; Karen M. Meyer; Tracy Scott 2007-3-17 693 Riverside San Bernardino National Forest, San Jacinto Ranger District. Lake Hemet fishing access, 1.2 miles west of route 74 on Forest Service road 6S15. 1334 Comment
  POM11142  Pellaea mucronata var. mucronata P. A. Munz 1922-7-1 5939 Riverside Santa Rosa Mts: Old Nicholas Canyon. 1432 Comment
  SEINET10912408  Pellaea mucronata var. mucronata Andrew Townesmith, Karen M. Meyer; Tracy Scott 2007-3-17 Townesmith 693 Riverside San Bernardino National Forest, San Jacinto Ranger District. Lake Hemet fishing access, 1.2 miles west of route 74 on Forest Service road 6S15. T6S R3E S8, San Bernardino meridian. 1334 Comment
  UCR86863  Pennisetum setaceum A. C. Sanders, K. C. Rose 1995-4-27 16741 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  RSA96915  Penstemon X parishii R. M. Straw 1954-6-10 603 -b Riverside Lake Fulmor. Comment
  UCR121247  Penstemon centranthifolius Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2280 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR135733  Penstemon centranthifolius Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9017 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  POM4305  Penstemon clevelandii subsp. connatus I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canyon 274 Comment
  NY583965  Penstemon clevelandii var. connatus H. M. Hall 1899-5-24 1160 Riverside Van de Venter's; San Jacinto Mountains 1356.4 Comment
  UCR187288  Penstemon grinnellii Diane Menuz 2006-6-27 182 Riverside Peninsular Range; Santa Ana Mtns, trail to Santiago Peak, 100 m from Main Divide Road 1470 Comment
  RSA263751  Penstemon heterophyllus var. australis E. W. Lathrop 1968-5-17 6892 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 1082 Comment
  UCR35264  Penstemon labrosus L. B. Ziegler 1967-7-27 193 Riverside Peninsular Range; San Jacinto Mtns., Thomas Mtn. 2043 Comment
  JEPS13909  Penstemon rostriflorus P. A. Munz 1922-7-6 6007 Riverside Tahquitz Valley trail from Fern Valley San Jacinto Mts., Tahquitz Valley trail 2133 Comment
  RSA0014859  Penstemon rostriflorus C. Epling, Wm. Robison 1935-6-30 s.n. Riverside San Jacinto Mountains: North Fork San Jacinto River. Comment
  RSA401812  Penstemon spectabilis Christopher Davidson 1975-6-16 2805 Riverside Ca. 4 mi. S of Banning on roas R1 to Idyllwild. 1128 Comment
  UCR93812  Penstemon spectabilis P. J. MacKay 1996-6-15 008 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  NY661177  Penstemon spectabilis var. spectabilis R. M. Straw 1953-6-23 471 Riverside 1/4 mile north of Fulmor Lake, San Jacinto Mountains 1219.2 Comment
  RSA401806  Penstemon spectabilis var. spectabilis Robert Gustafson 1983-4-18 2498 Riverside Clinton Keith Rd. about 2.5 miles from its junction with Hwy 15, eastern slopes of the Santa Ana Mtns. 457 Comment
  RSA93215  Pentachaeta aurea F. W. Peirson 1938-5-30 s.n. Riverside Thomas Mountain, Hemet Valley. 1402 Comment
  RSA93281  Pentachaeta aurea F. W. Peirson 1922-5-19 3037 Riverside San Jacinto River 1143 Comment
  UCR123858  Pentagramma triangularis Steven R. Hill 2001-5-3 33664 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  UCR261119  Pentagramma triangularis Joseph Cahill 2011-1-29 111- 20 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, c. 1.4 miles west of intersection of South Palm Canyon Dr. and Murray Canyon Dr., SW of Palm Springs 403 Comment
  RSA0059019  Pentagramma triangularis Marcus E. Jones 1930-3-5 2652 I Riverside Glen Ivy Comment
  UCR22083  Pentagramma triangularis subsp. maxonii Steve Boyd 1980-5-3 189 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCSB41255  Pentagramma triangularis subsp. triangularis Cowan, Clark 1978-4-25 Riverside 6.7 mi. (10.7 km.) SW on 74 from jct. with 71, 4.6 mi. (7.3 km.) from Lake Elsinore, Santa Ana Mts. Cleveland Nat. F. Comment
  LA204569  Peritoma arborea E. C. Parke; 1941-5-7 Riverside White Water Comment
  SFV15587  Peritoma arborea K. C. Molina, K. L. Garrett, R. McKernan 1992-3-20 22 Riverside 3.5 km southwest of Whitewater River, Snow Creek. Along edge of road. 500 Comment
  LA99481  Peritoma arborea var. angustata Hisao P. Arai; 1957-4-17 sn Riverside off Highway 60; 1 mi. S of Cabazon Comment
  POM41485  Perityle emoryi Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well. Comment
  RSA471863  Perityle emoryi W. D. Pierce 1940-2-24 s.n. Riverside Painted Canyon, Orocopia Mts. Comment
  SEINET10309002 Image available Perityle emoryi Deirdre Conocchioli, Duncan S. Bell 2014-3-17 203 Riverside Off south end of Hidden Springs Road, south of I-40 and Barstow-Daggett Airport exit, north/northwest foot of Newberry Mountains and Daggett and Newerry Springs. 186 Comment
  UC306394  Perityle emoryi Geo. B. Grant 1896-4-20 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  UCR200298  Perityle emoryi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11214 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  CAS-BOT-BC167757  Petalonyx thurberi K. Bonner 1977-10-28 2569 Riverside 2 mi. West of Red Cloud Road Comment
  UC872592  Petalonyx thurberi subsp. thurberi Lewis S. Rose 1938-12-19 38324 Riverside 6 mi. s. Cathedral City 45 Comment
  RSA423799  Petunia parviflora Crawford, J. M. Johnston 1917-6-9 1230 Riverside Santa Ana River near Corona. Comment
  CAS-BOT-BC326731  Peucephyllum schottii W. R. Dudley 1903-12-29 s.n. Riverside Mouth of Palm Barrancas Comment
  POM6873  Peucephyllum schottii P. A. Munz, L. T. Street, Williams 1919-3-26 2391 Riverside Salton Sea. Comment
  UCR148305  Peucephyllum schottii John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR166545  Peucephyllum schottii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10889 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR41808  Peucephyllum schottii A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6062 Riverside Sonoran (Colorado) Desert, Graham Pass, between Chuckwalla Mtns & Little Chuckwalla Mtns. 503 Comment
  SEINET10801062  Peucephyllum schottii David B. Dunn 1946-2-23 Dunn 1975 Riverside Hidden Springs Canyon in the vicinity of the Palms. Comment
  RSA278988  Phacelia ambigua Barry A. Prigge 1978-3-23 2438 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA427708A  Phacelia ambigua E. C. Jaeger 1922-4-1 716 Riverside Canyon, Colorado Desert east of Mecca 152 Comment
  RSA427705B  Phacelia campanularia Ora M. Clark 1929-2-22 183 Riverside E. of Whitewater Comment
  UC572562  Phacelia campanularia subsp. campanularia H. S. Yates 1937-3-24 6476 Riverside near mouth of Deep Canyon; Thermal Quadrangle 304 Comment
  UCR244297  Phacelia campanularia subsp. vasiformis Jim Andre 2012-4-16 20875 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
  CHSC110681  Phacelia cicutaria var. hispida Dean Wm. Taylor 2003-5-7 18528 Riverside Lakeview Mountains, 0.4 air miles SSE of Nuevo Benchmark, under electrical transmission line corridor. 624 Comment
  JEPS2191  Phacelia cicutaria var. hispida M. French Gilman 1845-1 714 Riverside Palm Springs (of Mt. San Jacinto) Mt. San Jacinto Comment
  UCR174964  Phacelia cicutaria var. hispida Teresa Nieto 2005-4-24 23 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  RSA650558  Phacelia crenulata Viki Cruz 1983-5-8 9 Riverside Near the palm oasis one mile into Magnesha Canyon, Santa Rosa Mts. Comment
  JOTR31856  Phacelia crenulata var. ambigua La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2113 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA703810  Phacelia crenulata var. ambigua LeRoy Gross 2005-3-3 1598 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  JOTR16718  Phacelia crenulata var. crenulata Baker, James K. & Baker, Ilisa T. 1966-6-1 s.n. Riverside Joshua Tree National Park. PINTO WYE MAINTENANCE AREA AT GATE Comment
  CAS-BOT-BC133955  Phacelia distans Milo S. Baker 1928-4-3 3310 Riverside Palm canon Comment
  RSA49196  Phacelia distans P. A. Munz 1949-4-13 13047 Riverside above Cottonwood Springs, west end Eagle Mts. Colorado Desert 1098 Comment
  SD137732  Phacelia distans Darin L. Banks, Steve Boyd 1995-5-3 187 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UC809715  Phacelia distans Philip A. Munz 1949-4-11 13022 Riverside wash near Conejo Well; Mojave Desert, north base of Eagle Mts. 914 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
  CAS-BOT-BC133953  Phacelia minor Milo S. Baker 1928-4-4 2815 b Riverside Tahquitz canon near Palm Sps. Comment
  CLARK-A1528-3010  Phacelia minor John C. Roos 1947-3-21 3374 Riverside Reche Canyon Comment
  CLARK-A1703-1208  Phacelia minor Charlotte Stocks 1962-5-14 Riverside Whitewater Canyon Comment
  POM13245  Phacelia minor P. A. Munz, I. M. Johnston 1922-5-19 5356 Riverside 5 miles NE of Murietta. 457 Comment
  SDSU6654  Phacelia minor D. Hunsaker 1962-4-10 Riverside Three miles SSW from Temecula. Comment
  SEINET7907895  Phacelia minor D. A. Johnson 2005-1 Riverside 1 mi E of CA 74, River Rd between Perris & Lake Elsinore 488 Comment
  UCD120566  Phacelia minor Robert C. Bechtel 1952-3-28 24 Riverside Perris. 443 Comment
  UCR112409  Phacelia minor A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23456 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
  UCR21972  Phacelia minor Steve Boyd 1980-3-3 177 Riverside Gavilan Plateau, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  VVC277  Phacelia minor A. C. Sanders 1997-5-4 20655 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
  RSA280555  Phacelia minutiflora I. L. Wiggins 1941-3-27 s.n. Riverside 4 mi. north of Whitewater. Comment
  UCR140562  Phacelia ramosissima Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 8- 64 Riverside San Jacinto Mtns, San Bernardino National Forest, Hwy 74 near Cranston Guard Station, 10 miles east of Hemet, Site L8 581 Comment
  CAS-BOT-BC145003  Phacelia ramosissima var. latifolia John Thomas Howell 1927-8-2 2906 Riverside Near Banning on road to Strawberry Valley, Mt. San Jacinto 670 Comment
  JEPS1349  Phacelia ramosissima var. latifolia W. L. Jepson 1903-8-5 2269 Riverside near meadow on side hill near Strawberry Valley; San Jacinto Mt. 1737 Comment
  UCR1457  Phacelia ramosissima var. suffrutescens R. D. Keys 1973-5-13 s.n. Riverside Box Springs Mtns, 0.5 - 1 mi from end of Box Springs Ridge Road. 915 Comment
  UCSB16950  Phacelia vallis-mortae Lean, Jr., Steve 1963-5-5 Riverside Pinon Flat Campground, 21.3 miles southeast of Mountain Center, along State Highway 74 1219 Comment
  UC1040771  Phalaris aquatica L. Reese 1956-5-29 10 Riverside San Jacinto Valley 475 Comment
  SEINET954733  Phalaris canariensis Mitch Provance 2005-1 6569 Riverside Warm Springs Valley; Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, ca. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site. 396 Comment
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Aug 21 2014
  CAS-BOT-BC174236  Phalaris minor John 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
  UC1075773  Philadelphus microphyllus var. stramineus E. K. Balls 1955-9-20 21443 Riverside Above Dark Canyon up from end of trail, W slope of San Jacinto Mts. Comment
  UC1930127  Pholisma arenarium V. Soza, Steve Boyd, Neil Gilbert 2000-12-6 1062 b Riverside Peninsular Ranges, Jan Jacinto Mountains region: Bautista Canyon, alongside Bautista Canyon Road, across from Bautista Conservation Camp. 854 Comment
  UC63810  Pholistoma membranaceum H. M. Hall 1897-4-17 447 Riverside Banning Comment
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Mar 13 2011
  UCR102751  Pholistoma membranaceum B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3565 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR178569  Pholistoma membranaceum R. G. Swinney 1967-2-4 0008 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 335 Comment
  UCR97634  Pholistoma membranaceum John Wear, N. Moorhatch 1997-3-20 s.n. Riverside San Jacinto Mtns, S of Chino Canyon, at NW end of Palm Springs 350 Comment
  SBBG61544  Phoradendron bolleanum R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns Comment
  RSA420780  Phoradendron californicum Ora M. Clark 1929-3-17 1737 Riverside West of Indio. Comment
  RSA708427  Phoradendron californicum Scott D. White 2005-3-29 10830 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  UCR137563  Phoradendron densum A. C. Sanders 2004-5-5 27762 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  POM98991  Phoradendron densum E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mts., eastern Riverside Co. 854 Comment
  UCR241014  Phoradendron macrophyllum T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1214 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  RSA722378  Phoradendron villosum J. Russell Bruff 1934-7-9 s.n. Riverside Idyllwild. Comment
  RSA735792  Phragmites australis Steve Boyd 2007-4-20 11721 Riverside Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of ''Walsh Canyon,'' ca. o.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
  UCD170895  Phyllanthus O. F. Clarke 2007-10-15 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus. 351 Comment
  CLARK-A1528-4357  Physalis acutifolia John C. Roos 1951-9-25 5263 Riverside Riverside 259 Comment
  CSUSB762  Physalis crassifolia Jean Texera 1970-3-27 Riverside About 3 miles south of Palm Desert on dirt road continuation of Portola Ave., 25 feet north of Deep Canyon Desert Research Center fence, 175 feet west of road on edge of wash. 204 Comment
  RSA784952  Physalis crassifolia Duncan S. Bell 2012-2-12 3110 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SEINET10546612  Physalis crassifolia Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-12 Dietrich 21 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. Along gravelly wash in creosote bush scrub. 380 Comment
  UC577930  Physalis crassifolia H. S. Yates 1937-3-23 6447 Riverside 1.5 mi ne Mecca; Thermal Quad. 457 Comment
  UCR178510  Physalis crassifolia R. G. Swinney 1967-2-12 0023 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  SEINET3288971 Image available Pinus Loraine Yeatts, Dick Yeatts 2002-4-15 4768 Riverside Comment
  LA6071  Pinus coulteri Carl Epling; 1931-10-3 sn Riverside San Jacinto Mountains, Tahquitz Peak 1981 Comment
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Mar 29 2014
  SEINET5486724 Image available Pinus coulteri Richard Carter 1984-12-25 Riverside 20M tree. Elev. @ 4500, 1.5 mi. NE of Anza on hwy 371. Comment
  CAS-BOT-BC78592  Pinus flexilis Carl B. Wolf 1932-8-5 3971 Riverside San Jacinto Mts. Slopes of San Jacinto Peak, along trail above [round valley] Round Valley 2926 Comment
  RSA384332  Pinus flexilis George R. Johnstone 1928-9-8 s.n. Riverside Mt. San Jacinto, Calif. Wind swept timber. 3288 Comment
  UC64436  Pinus flexilis H. M. Hall 1901-8-1 Riverside San Jacinto Mountains Comment
  UCR240645  Pinus jeffreyi Tracy Tennant, Mitch Provance 1998-6-16 MOR- 438 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M15 1098 Comment
  UCR131458  Pinus monophylla June Latting 1973-3-1 s.n. Riverside Santa Rosa Mountains., Pinyon Flat along Calif. Hwy 74 above Palm Canyon 1220 Comment
  RSA479441  Pinus quadrifolia Lyman Benson 1962-2-17 16139 Riverside 1/2 mile SW of Jct of Palms-to-Pines Rd and Hwy 243 to Anza. 1220 Comment
  SJSU1297  Pinus quadrifolia M. L. Seibert 1952-9-6 Riverside near State Hwy 74 c. 12 mi E of Anza in Santa Rosa Indian Reservation Comment
  UCSB151  Pinus quadrifolia McElwain, Isabelle 1953-5-24 Riverside Pinon Flats, San Jacinto Mts. Comment
  RSA615136  Pistacia atlantica A. C. Sanders 1997-3-1 19727 Riverside Riverside: UCR Campus., 33Y 58 N, 117Y 19 W 335 Comment
  SBBG63863  Plagiobothrys canescens M. N. Ackley -May-1929 1298 Riverside Tahquitz Lodge 1524 Comment
  UCR172238  Plagiobothrys canescens John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  UCR266807  Plagiobothrys canescens Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 10 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  UCR135986  Plagiobothrys collinus A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27900 Riverside Peninsular Range, summit ridge of Alberhill Mountain, along dirt road 503 Comment
  UCR140897  Plagiobothrys collinus Virginia Moran 2003-4-2 s.n. Riverside Peninsular Range, Warm Springs Preserve (managed by Center for Natural Lands Management), approximately 8 km north of Temecula and 3 km northeast of the [west?] end of Hunter Road 396 Comment
  UCR225445  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2011-3-29 38850 Riverside Peninsular Range; Perris-Aguanga Basin Region, valley at toe of hills between Sun City and Perris, powerline corridor between Goetz Rd. and Alabaster Loop, north of Goldenrod Ave. 448 Comment
  UCR92045  Plagiobothrys collinus Scott D. White 1995-3-30 2666 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  UCR239801  Plagiobothrys collinus var. californicus O. F. Clarke 2004-3-12 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 424 Comment
  UCR111996  Plagiobothrys leptocladus A. C. Sanders, T. B. Salvato 2000-5-25 23421 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
  RSA92556  Plagiobothrys leptocladus J. C. Roos 1952-5-7 5623 Riverside Flats at Edgemont Comment
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May 21 2011
  RSA659690  Plagiobothrys tenellus J. C. Roos 1947-3-21 3367 Riverside Plateau, Reche Canyon 366 Comment
  UCR116992  Plagiobothrys tenellus A. C. Sanders, T. B. Salvato 2001-5-3 24071 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  RSA234043  Plagiobothrys undulatus R. F. Thorne, E. W. Lathrop 1969-5-19 37972 Riverside Santa Rosa Plateau: Rancho Caifornia, Mesa de Colorado 625 Comment
  SD132885  Plagiobothrys undulatus Tim Cass 1979-6-1 203 Riverside Mesa de Colorado, Vernal Pool C Comment
  RSA650596  Plantago erecta William Gilbert 1969-4-24 s.n. Riverside Hwy 71 and Temecula River. Comment
  RSA85580  Plantago erecta J. C. Roos 1952-4-2 5461 Riverside Box Springs. 488 Comment
  UCR92096  Plantago erecta Scott D. White, M. Jacobsmeyer 1996-4-20 3948 Riverside Bundy Canyon Road, west of Menifee. c. 4-5 mi west of Interstate Hwy-215 freeway. north of road. 549 Comment
  UCSB52999  Plantago lanceolata Pritchett, David 1986-3-9 Riverside Box Canyon Wash 6 miles east of Mecca on Highway 195 Comment
  CSUSB1314  Plantago major Margaret-Lee Dean 1965-4-23 Riverside 3908 Linwood Place, Riverside 262 Comment
  RSA221053  Plantago major E. W. Lathrop 1966-5-8 6414 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  JEPS7174  Plantago ovata Marjorie D. Clary 1932-3-27 1682 Riverside 5 mi n Indio; Indio Hills 152 Comment
  JEPS85906  Plantago ovata Peter M. Ray 1949-3-6 1326 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  SEINET3090945 Image available Plantago ovata George K. Helmkamp, E. A. Helmkamp 1998-2-18 2720 Riverside Colorado Desert: Chuckwalla Valley; 0.3 mi S of Checkwalla Rd. on Graham Pass Rd. Comment
  UCR274848  Plantago ovata David Fraker, Aaron C. Sedgwick 2012-4-5 077 Riverside Sonoran (Colorado) Desert, north of the Salton Sea on Dos Palmas Spring Road, c. 500 ft south of the aqueduct 2 Comment
  POM220057  Plantago ovata var. fastigiata F. R. Fosberg 1932-3-13 8074 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  SBBG68797  Plantago patagonica M. N. Ackley 1928-3-10 791 Riverside Bridge Haven 426 Comment
  CAS-BOT-BC93215  Platanus racemosa Robert Allen; Fred M. Roberts 2007-6-22 s.n. Riverside Southeast of Hemet, Bautista Canyon, ca. 4 road miles southeast of junction Bautista Canyon Road and Fairview Avenue. 727 Comment
  SD229213  Platanus racemosa Dick Schwenkmeyer 2012-5-22 730 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  CAS-BOT-BC91875  Platystemon californicus H. L. Mason 1926-4-30 3134 Riverside Two miles south of Temecula. Comment
  CLARK-A1528-690  Platystemon californicus Annette Price 1962-5-1 O 57 Riverside Santa Ana Mountains Comment
  UC1979539  Platystemon californicus Darin L. Banks, Peter Morrell 1995-5-4 311 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. Comment
  UCR102894  Platystemon californicus var. californicus A. C. Sanders 1997-3-26 20102 Riverside Lake Skinner area, along foot trail at west base of Tucalota Hills 518 Comment
  RSA0013275  Pleuraphis rigida April Garbat, Sarah De Groot 2013-4-9 43 Riverside Graham Pass Rd in a wash 5.6 mi S of Chuckwalla Springs Rd. 427 Comment
  SEINET7048173  Pleuraphis rigida Steven R. Hill 2001-5-3 33679 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
  CAS-BOT-BC326641  Pleurocoronis pluriseta D. E. Breedlove 1962-3-11 1887 Riverside Cat Creek Wash 3 miles southwest of Palm Desert 426 Comment
  POM48450  Pleurocoronis pluriseta P. A. Munz 1925-3-7 9346 Riverside Painted Canyon, Mecca. Comment
  RSA709904  Pleurocoronis pluriseta Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4607 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA721882  Pleurocoronis pluriseta J. Mark Porter, Orlando Mistretta 2003-6-5 13625 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 southeast. 412 Comment
  UCR60788  Pleurocoronis pluriseta Steve Boyd, O. Mistretta 1986-3-13 1482 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  POM47179  Poa bigelovii Mary F. Spencer 1920-4-7 1553 Riverside Palm Canyon. 213 Comment
  UCR201667  Poa pratensis Scott D. White, Justin M. Wood 2008-6-19 12268 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  UCR25361  Poa pratensis John C. Roos 1952-5-7 5622 Riverside Flats at Edgemont 488 Comment
  RSA697344  Poa secunda Keith E. Hoffmaster 1937-6-6 s.n. Riverside San Jacinto Mts., a mile or so from a public camp near Keen Camp. Comment
  UCR19665  Poa secunda John C. Roos 1950-2-25 4710 Riverside Pass between Reche Canyon and Pigeon Pass Road 457 Comment
  RSA554280  Polygonum argyrocoleon Scott D. White 1992-2-25 92 -11 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  RSA191390  Polygonum aviculare subsp. aviculare E. W. Lathrop, Robert F. Thorne 1967-10-27 6675 Riverside 5 miles NW of Murrieta. Santa Rosa ranch. Comment
  CAS-BOT-BC237273  Polypogon monspeliensis H. M. Hall 1901-6-1 2274 Riverside San Jacinto Mountains. Vicinity of Strawberry Valley 1615 Comment
  CAS-BOT-BC237275  Polypogon monspeliensis Scott D. White 1995-6-30 3417 Riverside Murrieta area, W Riverside Co, Santa Ana foothills. Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 30 Comment
  UCR167426  Polypogon monspeliensis 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
  IRVC163  Polystichum imbricans subsp. curtum Brad Newman 1965-4-24 HS 546 Riverside Idyllwild. Peninsular Ranges, San Jacinto Mountains Comment
  RSA763062  Polystichum imbricans subsp. curtum E. W. Lathrop 1973-6-28 7444 Riverside Bear Springs on the Main Divide Truck Trail, 1 mi E of Santiago Peak, Cleveland National Forest. Comment
  POM360757  Populus fremontii Ora M. Clark 1929-3-2 1614 Riverside Near Elsinore. Comment
  RSA1908  Populus fremontii Carl B. Wolf 1931-3-13 1882 Riverside Colorado River bottom at the Blythe Bridge. 152 Comment
  RSA714655  Populus fremontii A. C. Sanders 2004-5-12 27893 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  UCR140325  Populus fremontii A. C. Sanders 2004-5-12 27893 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR252612  Populus fremontii T. B. Salvato, Matthew Malle 2013-4-2 7497 Riverside Perris-Aguanga Basin, Wildomar, c. 2 mi east of Lake Elsinore, west side of Mission Trail, north of Victorian Lane 387 Comment
  SEINET8725387 Image available Populus fremontii William B. Fox 1952-1 5727 Riverside Canyon of San Jacinto River, east of Hemet. Comment
  UCD135024  Porophyllum gracile Steve Boyd 1985-7-23 1044 Riverside De Luz Road, 3.5 miles west of junction with Tenaja Trail. Comment
  UCR108715  Portulaca oleracea Scott D. White, Pam DeVries 1998-2-9 6076 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  UC813982  Potamogeton diversifolius P. A. Munz 1922-9-6 6380 Riverside Hidden Lake; San Jacinto Mountains 2438 Comment
  RSA191457  Potamogeton foliosus E. W. Lathrop, Robert F. Thorne 1967-9-26 6622 Riverside 6 miles NW of Murrieta. Comment
  UC123556  Potamogeton foliosus F. M. Reed 1906-7-31 1154 Riverside Riverside and vicinity Riverside Comment
  RSA85564  Potamogeton pusillus F. W. Peirson 1922-5-21 4116 Riverside Thomas Ranch, Hemet Valley, San Jacinto Mtns. 1338 Comment
  UC70339  Potentilla gracilis Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  POM366581  Potentilla gracilis var. elmeri M. B. Dunkle 1933-7-20 3698 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA0005683  Potentilla wheeleri var. rimicola Philip A. Munz, I. M. Johnston 1924-7-27 8764 Riverside Dark Canyon, San Jacinto Mountains. 2409 Comment
  RSA795933  Prenanthella exigua Duncan S. Bell 2009-4-19 263 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCR115127  Proboscidea louisianica Mitch Provance 2000-10-28 2282 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  JEPS65585  Prosopis glandulosa var. torreyana W. L. Jepson 1901-5-22 1378 Riverside Palm Canyon and return to Van Deventer's Ranch, journey from Riverside to Santa Rosa Peak and Palomar, Southern California Palm Canyon Comment
  LA47470  Prosopis glandulosa var. torreyana Nesta Dunn; A. M. Martin 1932-3-27 sn Riverside Oasis Comment
  POM275714  Prosopis glandulosa var. torreyana Lyman D. Benson 1942-8-11 11309 Riverside 20 miles west of Blyther 305 Comment
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Jul 10 2012
  CLARK-A1528-819  Prunus fremontii 1968-4-14 18 Riverside San Jacinto Mountains 1066 Comment
  OBI45185  Prunus fremontii Dave Hawks 1987-3-2 s.n. Riverside Terwilliger Valley,5 mi E of Anza 1280 Comment
  SDSU9171  Prunus fremontii Marjorie Collier 1951-3-25 Riverside Palm Canyon, about 5 miles S of Palm Springs. Comment
  CAS-BOT-BC154438  Prunus ilicifolia Carl B. Wolf 1932-5-25 3666 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. Just above fish hatchery 670 Comment
  RSA180284  Prunus ilicifolia E. W. Lathrop 1965-4-26 5696 Riverside 4 mi. W. of Murrieta. Comment
  CLARK-A1528-2198  Psathyrotes ramosissima John C. Roos 1946-12-7 3180 Riverside Pushawalla Wash Comment
  UCR241715  Psathyrotes ramosissima Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 56 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  UCR92367  Psathyrotes ramosissima F. M. Reed 1927-3-18 5403 Riverside Sonoran (Colorado) Desert, Salt Creek Wash, north of Salton Sea 122 Comment
  POM358760  Pseudognaphalium biolettii Ora M. Clark 1929-2-24 1539 Riverside N slope of San Jacinto S of Cabazon Comment
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Nov 9 2011
  UCR202446  Psilocarphus brevissimus Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  CAS-BOT-BC361783  Psilocarphus brevissimus var. brevissimus Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37436 Riverside Santa Rosa Plateau: Mesa de Colorado 670 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
  UC1523586  Psilocarphus brevissimus var. brevissimus Robert F. Thorne, M. Z. Thorne, and W. Wisura 1978-5-21 51970 Riverside Mesa de Colorado Santa Rosa Plateau 609 Comment
  UCR165295  Psorothamnus emoryi John F. Green 2005-2-4 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 miles east of Desert Beach 24 Comment
  UCSB3043  Psorothamnus emoryi Mooney, Harold 1956-4-14 Riverside Turn off to Desert Hot Springs on Highways U.S. 60, 70, 99 Comment
  SEINET3407736 Image available Psorothamnus emoryi var. emoryi Foster, Cazier 1968-5-11 Riverside 3 miles south of Rice Comment
  JOTR01071  Psorothamnus polydenius Cole, James E. 1941-5-22 769 Riverside Joshua Tree National Park. RUBY LEE MILL SITE 914 Comment
  CAS-BOT-BC340907  Psorothamnus schottii Annie M. Alexander; Louise Kellogg 1941-5-12 2161 Riverside Colorado Desert. Road to Black Eagle Mine, Eagle Mountains 777 Comment
  UC990934  Psorothamnus schottii D. F. Howe 1952-4-27 Riverside 5 mi s of highway e Mecca (along all American Canal); , e of Mecca Comment
  UCSB3070  Psorothamnus schottii Haller, John 1960-4-2 Riverside Along U.S. 60-70, about 9 miles east of Indio 304 Comment
  JOTR32400  Psorothamnus spinosus Harding, Mitzi, A. Benton 2011-7-13 16 Riverside Joshua Tree National Park. Cottonwood Canyon, between Cottonwood and Eagle Mountains; Along Cottonwood Spring Road; Large, active, sandy wash 741 Comment
  UC154566  Psorothamnus spinosus Rensselaer J. Smith May 1904 Riverside White Water 396 Comment
  UCD34520  Psorothamnus spinosus Beecher Crampton 1985-5-8 9964 Riverside Riverside County, west of Blythe along hwy. 10. Comment
  JOTR30998  Pterostegia drymarioides La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1304 Riverside Joshua Tree National Park. Stop 3: Hexie Mountains, steep loose slopes above Blue Cut Gorge Comment
  UCR174454  Pterostegia drymarioides A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32631 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  RSA314480  Pulicaria hispanica R. F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55373 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  SD262213  Pulicaria paludosa Mitch Provance 2012-8-1 812 4 Riverside Colorado Desert: Thousand Palms Canyon Road, A+- 2/3 of the way up into the canyon. (Myoma 7.5'Q) 139 Comment
  JOTR30779  Purshia tridentata var. glandulosa La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1889 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 7) Covington Flats near top of Smith Water Canyon 1365 Comment
  JOTR31163  Purshia tridentata var. glandulosa La Doux, Tasha 2009-6-3 1869 Riverside Joshua Tree National Park. (Stop 5): Little San Bernardino Mountains, Covington Flats Area, lower slopes, just above parking area for lower Covington Flats 1460 Comment
  SD128287  Purshia tridentata var. glandulosa R. Mitchel Beauchamp 1971-5-16 2423 Riverside Pinyon Flat Campgrounds, Santa Rosa Mountains 1500 Comment
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Feb 28 2014
  UCR239864  Pyrola picta O. F. Clarke 2007-7-26 s.n. Riverside Peninsular Range; San Jacinto Mtns., James Reserve 1646 Comment
  RSA0105055  Quercus Mitch Provance 2012-4-27 412 -34 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westwards Ave. 799 Comment
  UCR273035  Quercus Mitch Provance 2012-1-25 17388 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 689 Comment
  UCR273238  Quercus Mitch Provance 2012-1-25 17374 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 689 Comment
  RSA751629  Quercus X acutidens G. Gust, L. Nye 2005-3-11 541 Riverside Lake Elsinore City Limits. Hwy 74 ca. 1-2 miles W of lake Elsinore on hill slope pullout. 481 Comment
  UCD47725  Quercus X acutidens K. R. Montgomery 1969-8-6 69 16 Riverside Wilson Valley Road, 18 miles south of Hemet, Riverside County, California. 1219 Comment
  UCSB41270  Quercus X acutidens Cowan, Clark 1978-4-25 Riverside 6.7 mi (10.7 km) SW on 74 from jct w/ 71, 4.6 mi (7.3 km) from Lake Elsinore, Sta. Ana Mts. Cleveland Nat. Forest; Whittaker transect #W-229 Comment
  UCR77716  Quercus X morehus Steve Boyd, C. Boyd, K. A. Boyd 1991-3-16 5468 Riverside Peninsular Range; San Jacinto Mtns. Region, Cahuilla Mountain, between Anza and Hemet, SW of Bautista Canyon 1524 Comment
  CAS-BOT-BC62821  Quercus berberidifolia Steve Boyd 1994-10-14 8398 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. 426 Comment
  UCR250003  Quercus berberidifolia 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
  CAS-BOT-BC62438  Quercus chrysolepis Winifern W. Swarth 1914-9-27 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  CAS-BOT-BC62439  Quercus chrysolepis H. M. Hall 1901-8-1 2641 Riverside Canyon of the San Jacinto River 1066 Comment
  LA46443  Quercus chrysolepis Carl Epling; 1931-10-4 sn Riverside San Jacinto Mountains, Idyllwild 1371 Comment
  RSA761229  Quercus chrysolepis Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 726 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CAS-BOT-BC45769  Quercus cornelius-mulleri B. Trowbridge 1979-4-17 6096 Riverside Hiden Valley, Joshua Tree National Monument 914 Comment
  CAS-BOT-BC62442  Quercus cornelius-mulleri Annie M. Alexander; Louise Kellogg 1941-5-26 2243 Riverside Eagle Mountains, Monsen Canyon 914 Comment
  UCD45612  Quercus cornelius-mulleri Ted C. MacRae 1995-5-26 43 c Riverside California, Riverside Co., Santa Rosa Mts., Pinyon Flats cpgd., 15.5 mi S Palm Desert. E. 4000'. 1219 Comment
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Sep 7 2013
  SFV8726  Quercus engelmannii F. C. Vasek 1975-9-11 s. n. Riverside Horsetheif Creek Canyon, southwest of Pinyon Flat where the Cactus Spring Trail crosses. Comment
  UCR163986  Quercus engelmannii John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 2 miles NE of Squaw Mountain 640 Comment
  RSA654803  Quercus palmeri A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22291 Riverside San Jacinto Mtns: Santa Rosa Indian Reservation along Hwy 74, 4 miles E of Hwy 371 junction to Anza 1378 Comment
  SD229182  Quercus wislizeni var. frutescens Dick Schwenkmeyer 2012-4-18 702 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  SEINET4079341  Quercus wislizeni var. frutescens C. Davidson 1975-1 2815 Riverside 3.8 miles north of Alandale Station on road R1 from Idyllwild to Banning. 1699 Comment
  UCR23315  Quercus wislizeni var. frutescens John C. Roos 1952-4-13 5518 Riverside Peninsular Range, Box Springs Mountains 520 Comment
  SFV13154  Quercus wislizeni var. wislizeni M. J. Thor 1982-9-18 152 Riverside San Jacinto Mountains Idyllwild Park. Very rocky slopes 1 hour west of camp. 1677 Comment
  RSA519261  Rafinesquia californica Ed LaRue 1989-5-8 s.n. Riverside Mockingbird Canyon area, S of Van Buren Blvd and ca 1/2 mi (airline) E of Mockingbird Canyon Road. Comment
  UCR26536  Rafinesquia californica A. C. Sanders, S. Hagopian 1981-5-20 2141 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  UC63845  Ranunculus californicus H. M. Hall 1897-4-10 435 Riverside Pico's San Jacinto Valley (along ditch) Comment
  UC18518  Rhamnus californica subsp. californica H. M. Hall 1897-5-27 575 Riverside Coldwater Canyon Elsinore Mts. Comment
  RSA543204  Rhamnus crocea Steve Boyd 1991-3-17 5481 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
  UCR22035  Rhamnus crocea Steve Boyd 1980-5-11 247 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  RSA390152  Rhamnus tomentella subsp. cuspidata Elbert Benjamine 1929-5-18 215 Riverside Mt. San Jacinto. Comment
  CLARK-A1528-2685  Rhododendron occidentale John C. Roos 1941-8-2 79 Riverside San Jacinto Mountains Comment
  SBBG59936  Rhododendron occidentale Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Mtns [probably near Idyllwild] Comment
  POM2721  Rhus ovata I. M. Johnston 1918-5-30 s.n. Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  RSA650226  Rhus ovata Carol Zuck 1981-2-16 42 Riverside On I-74, 17.5 miles southeast of Santa Rosa Rd. overlooking Elsinore. Comment
  SDSU12886  Rhus ovata Janet M. Knotts, Jill Steinberg & Kevin Contreras 1998-3-25 25 III1998B Riverside Creekbed due south of SDSU Santa Margarita Field Station; ca 1000 feet southewest on road to switchback bend, then ca. 800 feet northeast down to creekbed, north side of road. 238 Comment
  UCR103276  Rhus ovata B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3571 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  CLARK-A1528-2406  Rhus trilobata John C. Roos 1948-5-15 3831 Riverside Eagle Mountains Comment
  RSA476152  Ribes cereum H. E. Hasse 1892-7-2 s.n. Riverside San Jacinto Mts, Taquitz meadow. Comment
  POM294431  Ribes indecorum Lyman Benson, Robert Benson 1952-3-23 14840 Riverside Northeast of Santa Rosa peak, Pines to palms Hwy, view point for Jacinto Mt. Colorado desert. 1159 Comment
  POM614517  Ribes indecorum A. C. Sanders 1994-1-30 14229 Riverside Box Springs Mtns at the head of Two Trees Canyon. 686 Comment
  UCR270195  Ribes indecorum A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-3 42418 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, c. 0.3 km NW (161 deg. ) of water tank 473 Comment
  CAS-BOT-BC168948  Ribes malvaceum Carl B. Wolf 1932-2-11 2651 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. west of Corona, base of Skyline Drive 405 Comment
  SFV20141  Ribes nevadense J. N. Hogue, J. M. Wrublik 2000-5-30 153 .1 Riverside San Jacinto Mountains Black Mountain. Black Mountain Trail at Cinco Poses Spring. 2130 Comment
  UC11632  Ribes nevadense H. M. Hall 1897-5-1 520 Riverside along w side San Jacinto Mountains 1524 Comment
  UCR35280  Ribes nevadense L. B. Ziegler 1970-5-20 401 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon). 1677 Comment
  CAS-BOT-BC144475  Ribes speciosum James R. Shevock 1975-4-6 4144 Riverside in the chaparral along Skyline Drive, FS road 4S12. Santa Ana Mountains, Cleveland National Forest 548 Comment
  POM12990  Ribes speciosum P. A. Munz, I. M. Johnston 1922-5-19 5309 Riverside Santa Ana River Canyon. 457 Comment
  RSA519258  Romneya coulteri Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  CAS-BOT-BC92170  Romneya coulteri var. coulteri L. R. Abrams 1913-7-16 s.n. Riverside Between Elsinore and Corona. Comment
  SDSU13629  Rorippa nasturtium-aquaticum W. Miller with C. Mosse 1972-7-11 Riverside Comment
  UC1563097  Rorippa nasturtium-aquaticum Steve Boyd, Tim Ross, Laurel Arnseth 1989-5-7 3563 Riverside along Arroyo Seco drainage from jtn with Kolb Creek (s to w/in 1/4 mi Highway 79); Vail Lake Area, along Arroyo Seco drainage, Kolb Creek 457 Comment
  UC56908  Rorippa nasturtium-aquaticum H. M. Hall Apr. 1902 2958 Riverside vicinity Riverside; vicinity of Riverside 243 Comment
  UCR121262  Rubia tinctoria O. F. Clarke 2001-7-3 s.n. Riverside San Bernardino Valley region, Riverside, UCR Botanical Garden 335 Comment
  CAS-BOT-BC147178  Rubus parviflorus J. C. Roos 1965-7-3 s.n. Riverside Dark Canyon, San Jacinto Mtns. Comment
  RSA783124  Rumex J. D. Olmsted 1959-4-17 424 Riverside 3 miles north of Elsinore on Highway 71 in weedy area on east side of road 335 Comment
  RSA776050  Rumex conglomeratus O. F. Clarke 1972-5-28 s.n. Riverside Residence of O. F. Clarke, 1012 Spruce St., Riverside Comment
  POM10265  Rumex conglomeratus F. M. Reed 1904-6-5 s.n. Riverside Fairmont Park. Comment
  UCR194222  Rumex salicifolius Scott D. White, Angelia Carey 2004-6-4 10480 B Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR202243  Rumex salicifolius Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  RSA735231  Rumex salicifolius var. denticulatus Scott D. White, Angelia Carey 2004-6-4 10480 -B Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  UC64163  Sagina saginoides H. M. Hall June 1901 Riverside San Jacinto Mts., Fuller's Mill Mts., Box Spring 1615 Comment
  RSA757795  Salazaria mexicana LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4292 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
  SDSU7072  Salazaria mexicana J. Godsil 1953-3-20 575 Riverside hwy to Twenty- nine Palms; Joshua National Monument. 792 Comment
  CAS-BOT-BC103892  Salix exigua Steve Boyd; Aydee Virgen 2004-4-13 10860 Riverside Peninsular Ranges; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  HSC93368  Salix exigua Scott D. White 1996-4-14 3927 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Hwy. 74, 1.7 mi. W of USFS Cranston Fire Station 534 Comment
  JOTR35977  Salix exigua De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6877 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 914 Comment
  UC483065  Salix exigua F. R. Fosberg 1932-3-13 8077 Riverside upper palm grove along stream Thousand Palms Canyon; Coachella Valley, Thousand Palms Canyon Comment
  UCR11299  Salix exigua O. F. Clarke, M. Alexander 1971-3-31 s.n. Riverside Santa Ana River Bottom, Union Pacific Bridge 213 Comment
  SBBG58912  Salix exigua var. hindsiana F. R. Fosberg 1932-3-13 8078 Riverside Thousand Palms Cyn Comment
  CAS-BOT-BC108107  Salix gooddingii Henry Pelouze De Forest 1932-1-1 s.n. Riverside Santa Ana River bed and banks, near Riverside Comment
  LA208658  Salix gooddingii Carl Epling; J. Ewan June 1933 Riverside S shore Lake Elsinore Comment
  UCR92667  Salix laevigata Scott D. White 1996-3-31 3869 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
  RSA770874  Salix lasiolepis Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4597 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD152755  Salix lasiolepis Steve Boyd, T. Ross, O. Mistretta 1992-2-26 6685 Riverside Santa Ana Mountains, San Mateo Cyn from Fisherman's Camp downstream to confluence with Bluewater Cyn. 305 Comment
  RSA92622  Salix lasiolepis F. W. Peirson 1922-6-29 5437 Riverside Tahquitz Valley. 2134 Comment
  HSC79245  Salsola australis G. K. Helmkamp 1983-10-8 - 23 Riverside TNC Big Morongo Preserve, S of town of Morongo Valley in Big Morongo Canyon, beside the pipeline road in the middle of the TNC owned area 762 Comment
  CDA36193  Salsola paulsenii A. C. Sanders 2010-3-22 37522 Riverside Sonoran (Colorado) Desert; Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. Comment
  SEINET3090659 Image available Salsola tragus Steve Morgan 1974-5-20 161 Riverside Los Angeles. 7417 Variel Ave., Canoga Park, San Fernando Valley. Comment
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Nov 8 2015
  RSA127672  Saltugilia australis F. M. Reed 1917-5-9 3850 Riverside Colorado Desert, Palm (Palua/Palun?) Canyon Comment
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Aug 14 2010
  RSA0094961  Saltugilia australis P. A. Munz 1926-5-2 10424 Riverside 5 miles NW of Dripping Spring. Comment
  RSA0120307  Saltugilia latimeri Duncan S. Bell 2016-4-16 9320 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA0105423  Saltugilia latimeri Annie M. Alexander, Louise Kellogg 1941-5-4 2114 Riverside Joshua Tree National Monument[now National Park]. 1250 Comment
  UC534838  Salvia apiana Victor Duran 1933-7-1 3491 Riverside near Santa Rosa; Santa Rosa Mts. 1828 Comment
  SBBG101700  Salvia carduacea S. Boyd, T. Ross, M. Hammitt 1991-5-2 6112 Riverside Vail Lake region, SW & W flanks of Billy Goat Mtn 3 mi N Hwy 79, 1 mi W of Hwy 371 600 Comment
  RSA80984  Salvia columbariae G. R. Campbell 1952-4-5 18370 Riverside On road leading from Hwy 60 to 29 Palms [Hwy 62], at jct to Desert Hot Springs. 762 Comment
  UC519843  Salvia columbariae N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Springs Comment
  UC884003  Salvia columbariae I. W. Clokey 1935-4-17 6875 Riverside Cottonwood Springs Comment
  UCR216409  Salvia columbariae Michael L. O'Leary 2008-4-16 07 Riverside Little San Bernardino Mtns., Eureka Peak, Joshua Tree National Park, almost on the San Bernardino Co. line 1671 Comment
  UCR279595  Salvia columbariae A. C. Sanders, Jim Malusa 2017-3-28 43162 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
  UCR35344  Salvia columbariae L. B. Ziegler 1967-2-20 107 Riverside San Jacinto Valley, N of Lakeview 427 Comment
  UCR97491  Salvia columbariae A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19870 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCSB33374  Salvia columbariae Marks, R. 1978-3-16 Riverside 1/2 mi. east of a point on Cajalco Rd; 3 mi. north-east of El Sobrante Rd; in a partially completed housing developement 457 Comment
  SEINET10499063  Salvia columbariae R. P. Levine, H. S. Brown 1947-4-12 Levine 2 Riverside Wash, Pushawalla Canyon, Indio Hills. Comment
  UCR4451  Salvia eremostachya Frank C. Vasek 1960-3-24 600324- 28 Riverside Santa Rosa Mtns., Palms-to-Pines Highway, 4.8 miles east of Pinyon Flat [near Dos Palmas Spring] at a long wide turnoff on north side of road 1067 Comment
  CLARK-A1528-3117  Salvia greatae John C. Roos 1958-3-29 Riverside Coachella Canal Comment
  SD16503  Salvia greatae Fidella G. Woodcock Apr 1922 Riverside 30 miles from Mecca, 6.0 miles from Dos Palmas, near Salton Sea. Comment
  CSUSB1051  Salvia mellifera Carole Sims 1965-3-14 Riverside Ten yards from edge of highway, seven miles north of Temecula on road to Perris via Romoland. 335 Comment
  UCR121888  Salvia mellifera Ian G. Gillespie 2001-5-15 90 Riverside Lake Skinner, Perris Plain Area Comment
  UCR124652  Salvia mellifera B. C. Templeton, I. W. Clokey 1930-4-9 1067 Riverside Moreno Badlands, Moreno Grade, west of Beaumont 600 Comment
  UCR90981  Salvia mellifera Scott D. White 1996-3-16 3823 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  UCR97687  Salvia mellifera A. C. Sanders, G. Helmkamp 1997-3-15 19926 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 549 Comment
  UC667386  Salvia mohavensis Annie M. Alexander and Louise Kellogg 1941-5-21 2212 Riverside n slope Eagle Mountains; Colorado Desert 1280 Comment
  UCR25122  Salvia mohavensis John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Lost Palms Canyon in the Eagle Mtns Comment
  CAS-BOT-BC224865  Salvia pachyphylla H. M. Hall 1901-6-1 2160 Riverside San Jacinto Mountains. Eastern base, along the borders of the Colorado Desert 1402 Comment
  UCLA69866  Salvia pachyphylla J. Ewan 1930-8-31 2149 Riverside trail out of Tahquitz Valley; San Jacinto Mountains 2651 Comment
  SD67623  Salvia pachyphylla subsp. pachyphylla Victor Duran 1933-7-1 3490 Riverside Santa Rosa Mts. near Vandeventer Flat 1676 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
  SEINET13945113 Image available Sanicula arguta A. C. Sanders, T. Glenn 1983-1 3733 Riverside Mesa de Colorado, Santa Ana Mountains, 5 miles(airline) SW of Murrieta. (Near 1176 17' W, 33 deg. 31' N). 610 Comment
  UCR34990  Sanicula tuberosa L. B. Ziegler 1975-5-1 541 Riverside San Jacinto Mtns, Bautista Canyon 703 Comment
  SEINET206448  Sarcostemma hirtellum Rimo Bacigalupi, Roxana S. Ferris 1958-3-21 6253 Riverside Herbage exuding alliaceous odor. Twining about in a clump of Hilaria rigida in a small wash from the west slope ofthe Big Maria Mts. near the roas to Midland, about 13 miles north of Blythe, elev. 860 ft. 262 Comment
  RSA495460  Saxifraga californica Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2988 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  UCR40932  Schinus polygamus A. Kelly 1985-1 s.n. Riverside Riverside, yard at 4081 Glenwood, l block north of 14th Street. Comment
  SEINET10867937  Schismus arabicus Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 Holmgren 6464 Riverside Rice Valley, 7 mi S-SW of Rice. Sand dunes; common. Culms and leaves prostrate. 274 Comment
  CAS-BOT-BC243463  Schismus barbatus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4046 Riverside Vail Lake area, lower lsopes of Aqua Tibia Mtn., along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  CAS-BOT-BC243465  Schismus barbatus John Thomas Howell 1956-3-19 31118 Riverside San Jacinto Comment
  RSA0021563  Schismus barbatus Duncan S. Bell 2012-3-4 3134 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  RSA778238  Schismus barbatus Duncan S. Bell 2009-3-8 43 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UCR140700  Schoenoplectus acutus var. occidentalis A. C. Sanders 2004-5-12 27865 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  POM14336  Schoenoplectus maritimus Phillip A. Munz 1922-4-29 5107 Riverside [Sedco] Station, south of Elsinore. Comment
  CAS-BOT-BC111018  Scirpus microcarpus H. M. Hall 1901-6-1 2289 Riverside Along water courses in the vicinity of Strawberry Valley, San Jacinto Mts. Comment
  OBI37558  Scirpus microcarpus Steve Boyd 1985-8-7 1103 Riverside Santa Rosa Plateau region, NW base of Redonda Mesa on Tenaja Rd, 0.8 mi E of jtn with 8S01 and 8S02 Comment
  RSA500152  Scirpus microcarpus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3649 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  CAS-BOT-BC238464  Scrophularia L. R. Abrams 1941-4-21 13874 Riverside Mt. Rubidoux, Riverside Comment
  CSUSB905  Scrophularia californica R. Thomasson 1973-5-24 Riverside Box Springs Mountains Box Springs Mountains, Box Spring Mountain Road, 1.7 miles from Pigeon Pass Road. 685 Comment
  OBI74594  Scrophularia californica David J. Keil 1983-4-15 16903 Riverside E of Temecula on SR79 Comment
  UCSB25710  Scrophularia californica Gliessman, Stephen 1968-7-17 Riverside along Little Thomas Mountain Road, 2.7 miles southwest of junction with Highway 74, Little Thomas Mountain 1524 Comment
  RSA282932  Scrophularia californica subsp. floribunda C. W. Tilforth, B. Busenberg 1980-4-17 2017 Riverside Open slope south of Toolbox Spring Campground along Thomas Mtn. Rd., south of Lake Hemet, west of Hiway 74. Comment
  UCR111578  Scrophularia californica subsp. floribunda Mitch Provance 1999-4-3 1752 Riverside City of Riverside, SW side of 'Royal Hill', 0.25 miles east of the corner of Victoria Ave. and Arlington Ave. 351 Comment
  RSA677  Scutellaria bolanderi subsp. austromontana J. T. Howell 1927-8-2 568 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  UCR35332  Scutellaria siphocampyloides L. B. Ziegler 1967-7-26 196 Riverside San Jacinto Mtns, Thomas Mountain 2058 Comment
  RSA643417  Secale cereale N. M. Fellows 1982-5-29 s.n. Riverside Volunteer plants growing adjacent to Highway 79, 5 miles from Temecula Comment
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Mar 14 2013
  UCR213681  Secale cereale Justin M. Wood 2009-5-11 701 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 N on Valley Hi Dr., from intersection w/ Twin Pines Rd. 1201 Comment
  RSA697611  Securinega fasciculata var. hallii J. R. Bruff 1928-5-2 168 Riverside Cottonwood Springs. Comment
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Oct 9 2010
  RSA0074745  Sedum spathulifolium Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8650 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA543296  Selaginella bigelovii Steve Boyd 1991-3-17 5515 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
  RSA683698  Selaginella bigelovii F. Raymond Fosberg 1932-1-1 7425 Riverside Devils Garden near Whitewater Comment
  UCR270354  Selaginella bigelovii Dick Newell, Judy Booth 2016-1-17 417 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide Road, 0.4 mile south of Elsinore Peak 978 Comment
  POM10844  Selaginella watsonii Edmund C. Jaeger 1921-6-30 s.n. Riverside Taquitz Peak, San Jacinto Mountains 2834 Comment
  RSA522761  Senecio californicus Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3868 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
  UCR48373  Senecio californicus Steve Boyd 1986-5-1 1822 Riverside S slopes of Bachelor Mtn, east end of Lake Skinner Comment
  UCSB7410  Senecio flaccidus var. douglasii Ferris, R.; Bacigalupi, Rimo 1953-4-20 Riverside Road to Las Palms Canyon, ca. 4 miles N. of Shaver Summit Comment
  RSA0125005  Senecio flaccidus var. douglasii N. Cooper 1949-6-3 4149 Riverside Temecula. 762 Comment
  JOTR34397  Senecio flaccidus var. monoensis Andre, Jim 2012-4-16 20930 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  JEPS27777  Senecio mohavensis Edmund C. Jaeger 1926-2-26 Riverside 25 mi se from Mecca; Canyon Springs Wash Comment
  UCR167271  Senecio mohavensis John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  SD229147  Senegalia greggii Dick Schwenkmeyer 2012-10-16 931 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  UCR148052  Senna armata Steve Boyd, Et al. 2004-5-14 11267 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  JEPS64755  Senna covesii Marjorie D. Clary 1932-3-24 812 Riverside Santa Rosa Mountains Comment
  RSA0041956  Senna covesii Duncan S. Bell, Marcel Beffort 2014-4-22 6599 Riverside Chuckwalla Mountains; western end of Corn Springs wash/canyon; approximately 0.75 air mile southwest of Aztec Well. 671 Comment
  SD233238  Sequoia sempervirens Scott D. White, Justin M. Wood 2009-5-22 12922 Riverside San Jacinto Mts: Halfway Spring, accessedvia Old Control Road. Spring surrounded by small patch of wetland. 1159 Comment
  HSC82846  Sesbania exaltata A. C. Sanders 1985-8-24 5950 Riverside Near Oasis, Hwy 195, ca. 1/2 mi. N of intersection with Hwy. 186 -52 Comment
  RSA487822  Sesbania exaltata A. C. Sanders 1988-11-6 8736 Riverside Coachella Valley, W side of Hwy 86, 6.25 mi. S of its junction with hwy 111 in Coachella and 3.85 mi. n of Valerie Jean, 0.55 mi. N of ave 60. -11 Comment
  SD186221  Sesbania herbacea Chet McGaugh 2004-11-15 Riverside Coachella Valley, 1.0 mile south of Thermal, parcel bounded by Ave. 58 and Ave. 60 on the north and south and by Polk and Filmore on the west and east. -41 Comment
  UCR116849  Sidalcea malviflora A. C. Sanders, Steven R. Hill 2001-5-4 24143 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR1228  Sidalcea malviflora Martha McCarthy 1960-4-24 s.n. Riverside Santa Ana Mtns, [Santa Rosa Plateau, north of Mesa de Colorado] W side of Tenaja Rd., 4.7 mi west of Washington Ave. in Murrieta 585 Comment
  SEINET4176382  Sidotheca trilobata J. L. Reveal, B. J. Ertter 1976-6-30 4567 Riverside Santa Rosa Mountains, along the dirt road to Santa Rosa Mountain, 4 miles south of California Highway 74 1737 Comment
  UC1361893  Silene parishii Reid Moran 1968-8-3 15369 Riverside n slope 1 mi w of summit Santa Rosa Mountain; w of summit Santa Rosa Mountain 2150 Comment
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Jan 2 2010
  RSA438854  Silene parishii var. viscida Albert J. Perkins 1915-9-6 s.n. Riverside San Jacinto Mt. Comment