Search Results — 2000 specimen records retrieved (1893 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCSB14  Abies concolor Tribbey, Bert 1960-5-14 Riverside Black Mountain; San Jacinto Range 2133 Comment
  CAS-BOT-BC229327  Abronia villosa Javier Penalosa 1963-4-10 2774 Riverside Deep Canyon, 3mi. south of Palm Desert 213 Comment
  CAS-BOT-BC229345  Abronia villosa Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring [Springs] 60 Comment
  CAS-BOT-BC229358  Abronia villosa C. L. Hitchcock 1940-4-4 5951 Riverside Pinto Basin Comment
  CSUSB580  Abronia villosa Steve Stadler 1966-2-27 022766 19 Riverside East of Indio; 20 yards off Indio-Desert Center Road; 100 yards east of the road's intersection with the Coachella Canal. Comment
  SD216504  Abronia villosa Carol R. Annable 1995-3-9 2256 Riverside Circa 13 kilometers North of Rancho Mirage. BLM land behind A-1 Cement Comment
  POM248343  Abronia villosa var. aurita I. W. Clokey, E. G. Anderson 1935-4-6 6609 Riverside Hemet 500 Comment
  RSA115922  Abronia villosa var. aurita Richard Snow 1956-7-13 317 Riverside Near Hemet meadow, on the Pines to Palms Highway. Comment
  RSA461192  Abronia villosa var. aurita Ora M. Clark 1929-2-22 1576 Riverside E. of Whitewater Comment
  SEINET946027  Abronia villosa var. aurita Ira W. Clokey, E. G. Anderson 1935-1 6609 Riverside Hemet. 500 Comment
  UCR281098  Abronia villosa var. aurita Mitch Provance, Jeremiah George 2017-3-21 317- 06 Riverside Temescal Valley, Horsethief Wash (E branch impeded by development), N of Hwy 15 and NNW of Horsethief Rd., area between Temescal Canyon Rd. and Temescal Creek 357 Comment
  RSA0030910  Abronia villosa var. aurita Ira W. Clokey, E. G. Anderson 1935-8-21 6604 Riverside Hemet Lake. 1300 Comment
  UCR244727  Abronia villosa var. villosa Jim Andre 2012-3-19 21344 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  RSA683199  Acacia baileyana Scott D. White 2003-12-1 9894 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  RSA757824  Acamptopappus sphaerocephalus M. Wall 2010-5-6 556 Riverside San Gorgonio Pass area, off Tipton Rd. ca. 0.75 miles west of jct with Hwy 111 350 Comment
  POM41108  Acamptopappus sphaerocephalus var. sphaerocephalus Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  CAS-BOT-BC20352  Achillea millefolium Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  UCD50308  Achnatherum coronatum A. A. Beetle 1944-4-27 1999 Riverside West of Murietta. Comment
  CAS-BOT-BC216888  Achnatherum occidentale Ralph Hoffman 1929-9-8 s.n. Riverside Mount San Jacinto [San Jacinto Mountains] 2133 Comment
  CAS-BOT-BC218630  Achnatherum occidentale subsp. pubescens Ralph Hoffman 1929-9-7 s.n. Riverside Strawberry Valley, Mt. San Jacinto 1645 Comment
  JOTR34301  Achyronychia cooperi Andre, Jim 2012-4-11 20713 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  RSA516871  Achyronychia cooperi Steve Boyd, Thomas S. Elias, B. Roy, Sara Meury, S. Zona 1986-3-5 1344 Riverside Mecca Hills: Box Canyon, along Hwy 195 Comment
  SJSU10123  Achyronychia cooperi T. N. Seeno 1963-4-12 276 Riverside Sky Valley 10-12 mi NNW of Palm Springs 426 Comment
  LA48110  Acmispon argophyllus var. argophyllus Elizabeth McClintock; 1936-7-20 sn Riverside San Jacinto Mountains, Idyllwild Comment
  JOTR35199  Acmispon strigosus Andre, Jim, T. La Doux, R. B. Kelley 2011-5-4 21108 Riverside Joshua Tree National Park. Long Canyon, upper watershed on east ridge, 1.1 miles south of radio tower, approx. 6 mi. south of town center of Yucca Valley 1206 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
  JOTR32975  Adenophyllum porophylloides La Doux, Tasha, A. Miller 2008-10-8 2856 Riverside Joshua Tree National Park. Coxcomb Mountains, north of Colorado River Aqueduct tunnel 325 Comment
  UC472326  Adenophyllum porophylloides F. M. Reed 1917-5-19 3862 Riverside Palm Canon; Colorado Desert 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
  RSA711116  Adenostoma fasciculatum var. fasciculatum M. Wall, Del Wiens, Clyde Calvin 2005-12-4 408 Riverside At highway maintenance dirt road jct. along Highway 243, ca. 2.5 miles N. of Mountain Center. 1524 Comment
  CAS-BOT-BC139865  Adenostoma sparsifolium Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mts. Comment
  RSA453180  Adenostoma sparsifolium E. C. Jaeger 1923-6-6 s.n. Riverside East-slope San Jacinto Mountains 1585 Comment
  SEINET1910302  Adenostoma sparsifolium A. C. Sanders, R. E. Riefner 2005-1 31547 Riverside San Jacinto Mtns.: Vandeventer Flat along Hwy 74, 1.2 mi. west of Santa Rosa Mtn. Rd., just west of entrance to Santa Rosa Indian Reservation (Butterfly Peak 7.5' Q. 1402 Comment
  UCR264078  Adiantum capillus-veneris S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1080 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, upper part of canyon, near Corona 732 Comment
  RSA228832  Adiantum jordanii Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 614 Riverside Cleveland National Forest. Ca. 8 mi. south of Lake Elsinore, off Forest Route 7S04. Comment
  CLARK-A1528-1004  Agrostis exarata E. W. Lathrop 1959-5-29 Riverside Cleveland National Forest Comment
  RSA296133  Agrostis exarata B. A. Prigge 1980-8-5 3846 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  UCR24979  Agrostis exarata A. C. Sanders 1980-7-22 1704 Riverside Peninsular Range; San Jacinto Mtns, [Forest Service] Rd. 4S02, c. 2.5 (airline) mi north of Pine Cove and c. 0.25 mi south of Dark Canyon campground 1768 Comment
  UC69348  Agrostis idahoensis H. M. Hall July, 1901 2533 Riverside Fuller's Mills Mountains San Jacinto Mountains, Fuller's Mills Mountains 2286 Comment
  UCR2115  Agrostis scabra F. M. Reed 1928-7-23 6134 Riverside San Jacinto Mtns., Strawberry Valley. Bed of Strawberry Creek - Scout Camp 1524 Comment
  UCR2133  Agrostis viridis F. M. Reed 1907-6-16 1414 Riverside South Coast; San Bernardino Valley, Riverside, upper south fork of Arroyo Tequesquite 457 Comment
  RSA71928  Aliciella latifolia F. W. Peirson 1921-3-22 2385 Riverside Andreas Canyon, Palm Springs region Comment
  NY216672  Allenrolfea occidentalis R. S. Ferris 1958-3-19 13255 Riverside Bottomland 8 mi. N of Blythe on Highway U.S. 95 Comment
  SEINET10479053  Allenrolfea occidentalis Jon Ricketson, Heidi H. Schmidt 1992-10-25 Ricketson 4919 Riverside Salton Sea. At the junction of California Highway 111, (Commercial Street), along Vander Veer Road (to North Shore Marina), in the town of North Shore. North end of the Salton Sea, in the Coachella Valley. 60 Comment
  CAS-BOT-BC434482  Allionia incarnata Carl B. Wolf 1932-4-27 3002 Riverside Colorado Desert. 17 mi. E. of Mecca, on Blythe Road. 152 Comment
  UCR21013  Allionia incarnata A. C. Sanders, J. Zabriskie, Steve Boyd 1980-4-17 1339 Riverside Sonoran (western Colorado) Desert, Coachella Valley at the foot of the Indio Hills near Thousand Palms Oasis, Willis Palms grove 152 Comment
  RSA496377  Allium haematochiton Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3053 Riverside Vail Lake area, 0.75 mi NW of dam, clay deposits on dissected bench, S flank Oak Mountian. 621 Comment
  UCD138541  Allium haematochiton Steve Myers 24-25 Feb 1988 s.n. Riverside Temescal Canyon, ca. 1/4 mi. west of intersection of Highway I-15 and Indian Truck Trail. 381 Comment
  RSA479529  Allium munzii Steve Boyd, Walter Wisura 1987-4-29 2071 Riverside Gavilan Hills, south of Ida-Leona Road, south of Harford Springs County Park 640 Comment
  RSA673549  Allium peninsulare Scott D. White, Tasha LaDoux 2000-4-20 7703 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UCR201613  Allium peninsulare Scott D. White, Justin M. Wood 2008-6-19 12255 Riverside San Jacinto Mountains, USFS Road (5S08) between Keen Camp Summit and Baldy Mountain 1616 Comment
  CAS-BOT-BC475411  Allium praecox Mrs. Wilder 1905-4-1 s.n. Riverside Riverside, Calif. Comment
  RSA556518  Allium praecox Julie Greene 1993-4-10 1130 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. El Casco 7.5 USGS Quad. R2W, T3S, Center of the SW/4 of Section 29. 475 Comment
  SEINET12043914  Allium praecox I. W. Clokey, Anderson, E. G. 1935-1 6550 Riverside E of Hemet 640 Comment
  UCR125761  Allium triquetrum A. C. Sanders, T. B. Salvato 2003-4-3 25830 Riverside San Bernardino Valley/Upper Santa Ana River, Riverside, UCR campus, between East Campus Drve and Parking Lot 10 335 Comment
  RSA775232  Allophyllum gilioides Duncan S. Bell, J. D. England 2010-5-27 1134 Riverside San Bernardino National Forest: Garner Valley, approximately 1 air mile southeast of junction of forest service road 6S04 and forest service road 6S13. 1354 Comment
  POM122368  Allophyllum glutinosum Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA500562  Amaranthus albus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3609 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  UC64578  Amaranthus albus H. M. Hall 1901-8-6 2650 Riverside Moreno Comment
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Mar 20 2011
  UCR134606  Amaranthus albus Marisa Sripracha, Kyle Boyd 2004-2-14 029 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  JOTR16544  Amaranthus fimbriatus Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. RAODSIDE BETWEEN RYAN MOUNTAIN AND CAPROCK 1310 Comment
  SFV7070  Amaranthus palmeri T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-11-16 770 Riverside Blythe. Adjacent to small oxbow lake just north of Collis Mayflower County Park. 85 Comment
  RSA500109  Amaranthus retroflexus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3662 B Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  RSA715262  Amaranthus retroflexus A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23169 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. E of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  UCR113600  Ambrosia acanthicarpa A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23675 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
  UCR94938  Ambrosia acanthicarpa Scott D. White 1996-9-22 4532 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
  CAS-BOT-BC45012  Ambrosia confertiflora Louis C. Wheeler 1933-12-1 2278 Riverside Banning 731 Comment
  RSA643280  Ambrosia confertiflora R. D. Goeden, D. W. Ricker 1970-4-2 s.n. Riverside Moreno Badlands: W of Beaumont, south side of Hwy 60, 2 miles W of Jackrabbit Trail 686 Comment
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Mar 21 2011
  UCR250116  Ambrosia confertiflora A. C. Sanders 2014-4-23 41050 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15, c. midway between Black Powder Rd. and end of Concordia Ranch Rd. 380 Comment
  LA202899  Ambrosia dumosa A. M. Johnson; 1928-5-5 351 Riverside Travertine Rock Comment
  UCSC001456  Ambrosia dumosa Peter Kamb 1948-4-11 866 Riverside Aqueduct Road 5 mi. east of Garnet Aqueduct Road, Garnet - Coachella Valley 305 Comment
  SEINET6738722 Image available Ambrosia dumosa H. M. Hall 1905-1 5907 Riverside Near Mule Springs Comment
  RSA575845  Ambrosia psilostachya Steve Boyd 1982-11-2 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of Estelle Creek and Temescal Creek, at the northern end of the entrenched meander of Temescal Creek at the western base of Estelle Mountain. 329 Comment
  UCR114200  Ambrosia psilostachya A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23632 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
  UCR201882  Ambrosia psilostachya Justin M. Wood 2008-9-19 136 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of First Street Bridge 305 Comment
  SEINET10797874  Ambrosia salsola David B. Dunn 1946-3-15 Dunn 2018 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  UC64534 Image available Amelanchier utahensis W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1949 Riverside Kenworthy Comment
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Mar 25 2011
  CAS-BOT-BC180627  Amorpha californica var. californica Mrs. A. R. Seitz 1915-7-16 s.n. Riverside Banning Canyon Comment
  UCSB2968  Amorpha fruticosa Haller, Norman Riverside Highway 74, Cranston Ranger Station, 7 miles East of Hemet 609 Comment
  CAS-BOT-BC226261  Amsinckia intermedia A. C. Sanders; Nathan Moorhatch 2011-3-22 38787 Riverside Peninsular Range; Perris-Aguanga Basin: Romoland in Menifee Valley, powerline route along McLaughlin Rd. east of Trumble Rd. and west of Antelope Rd. 440 Comment
  UC480367  Amsinckia intermedia Ivan Johnston Apr 4 1917-Apr 6 1917 989 Riverside mouth of Andreas Canyon; Colorado Desert 243 Comment
  UCR140320  Amsinckia intermedia A. C. Sanders, Guy Bruyea 2004-4-2 27406 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
  UCR167069  Amsinckia intermedia Scott D. White 2005-3-29 10845 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  SDSU18972  Amsinckia menziesii var. menziesii C. Matt Guilliams 2008-2-27 476 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. 405 Comment
  SDSU18987  Amsinckia menziesii var. menziesii C. Matt Guilliams, Jeannine Ross 2008-3-12 532 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. 428 Comment
  UCR172614  Amsinckia retrorsa A. C. Sanders, John F. Green 2006-5-18 32370 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  UCR213625  Amsinckia retrorsa A. C. Sanders, Matthew Malle 2010-4-23 37997 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  RSA543905  Anagallis arvensis Steve Boyd, Orlando Mistretta 1991-5-22 6286 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  CAS-BOT-BC79932  Antennaria microphylla H. M. Hall 1901-7-1 2401 Riverside Tamarack Valley 2834 Comment
  SBBG65810  Anthemis cotula M. N. Ackley -Feb-1926 288 Riverside near Edom, Colorado Desert Comment
  UCR96889  Anthemis cotula Scott D. White 1993-4-30 1312 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  JOTR31068  Antirrhinum coulterianum La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2050 Riverside Joshua Tree National Park. Little San Bernardino Mountains; STOP 6: upper portion of Smithwater Canyon, leading to Lower Covington Flats, wide sandy wash Comment
  UC672557  Antirrhinum coulterianum Herbert L. Mason 1926-5-2 3194 Riverside Aguanga Valley Comment
  UCR275195  Antirrhinum coulterianum T. B. Salvato, Gregg Miller 2005-6-7 1449 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  RSA585508  Antirrhinum kelloggii D. L. Banks, Steve D. Boyd 1995-5-9 369 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  UC1929409  Antirrhinum nuttallianum Scott D. White 2004-4-26 10259 Riverside San Jacinto Mountain Foothills: Soboba Indian Reservation, Indian Creek Watershed. Comment
  RSA180264  Antirrhinum nuttallianum subsp. nuttallianum E. W. Lathrop 1959-5-29 4581 Riverside 14 mi. W. of Murrieta. Comment
  UCR109556  Apium graveolens R. D. Goeden, Don W. Ricker 1978-10-25 s.n. Riverside Temecula Valley, Temecula, Murrieta Creek at Rancho California Road 305 Comment
  SD28078  Aquilegia formosa Carl B. Wolf 1932-5-24 3652 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1 mi. above fish hatchery 792 Comment
  UCR19376  Arabis glaucovalvula Harlan Lewis, Carl Epling 1941-5-2 s.n. Riverside Sonoran (Colorado) Desert, Cottonwood Spring, ['Providence Mtns.' NOTE: The locality data on this specimen is certainly partially incorrect: likely from Cottonwood Spring at the S entrance of Joshua Tree National Park, Riverside Co. The collectors were at Corn Spring, Chuckwalla Mtns on the same date, some of the species collected at Cottonwood Spring are very unlikely to have come from the Providence Mtns: Condaliopsis lycioides & Tetracoccus hallii in particular. Det. by A.C. Sanders, Dec. 1986] Comment
  POM99028  Arabis glaucovalvula E. C. Jaeger 1926-3-24 s.n. Riverside White Tank, northern edge of Colorado Desert Comment
  RSA0126334  Arabis glaucovalvula F. W. Peirson 1941-4-9 s.n. Riverside At junction of Pinto Basin Rd and road to Cottonwood Spring. Comment
  POM229794  Arabis perennans P. A. Munz 1937-5-30 15137 Riverside Santa Rosa Peak. 2409 Comment
  RSA66701  Arabis perennans F. W. Peirson 1919-4-13 660 Riverside Along the Tahquitz creek, East of Palm Springs, Riverside. Comment
  SEINET3507464 Image available Arabis perennans C. F. Shutts 1949-3-19 F 53 Riverside White Tanks, Pinto Mtns. Joshua Calif. Tree Natl. Mon. Comment
  RSA676286  Araujia sericifera Scott D. White 2001-6-22 8601 Riverside Corona: Bajada below the Santa Ana Mts., near the jtn. of Cleveland Way and Fullerton Av., about 2 road mi S of the jtn. Fullerton Av. and Ontario Av. 381 Comment
  CAS-BOT-BC410048  Arceuthobium campylopodum Geo. B. Grant July 01 1113 Riverside San Jacinto Mountains Comment
  POM354262  Arceuthobium campylopodum Albert J. Perkins 1916-9-4 s.n. Riverside Idyllwild. Comment
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Mar 21 2011
  RSA629131  Arctostaphylos Jon E. Keeley 1992-7-17 16766 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA697541  Arctostaphylos drupacea L. C. Hull 1934-4-23 s.n. Riverside Idyllwild Comment
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Dec 11 2011
  RSA629358  Arctostaphylos glandulosa Jon E. Keeley 1992-6-12 15537 Riverside Road to Elsinore Pk., 1/2 km south of Elsinore Pk. 1000 Comment
  RSA629383  Arctostaphylos glandulosa Jon E. Keeley 1992-4-17 15082 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA629425  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16844 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629439  Arctostaphylos glandulosa Jon E. Keeley 1992-7-16 16579 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629462  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16812 Riverside Rd. to Thomas Mtn. (5S15), 9.5 km north of Toolbox Spring. 1640 Comment
  RSA19996  Arctostaphylos glandulosa subsp. adamsii I. W. Clokey, E. G. Anderson 1935-4-16 6787 Riverside East of Hemet. 630 Comment
  RSA631776  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19272 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631802  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20100 Riverside Highway 371, 1 km east of Anza. 1220 Comment
  RSA631845  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20176 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 3 km south of Pinyon Pines, Santa Rosa Mountains. 1350 Comment
  UCR139049  Arctostaphylos glauca D. L. Banks 1997-3-1 1346 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Pechanga Creek, east of the'Fiesta Grounds' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation 427 Comment
  RSA633589  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22521 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633611  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-11-11 22510 Riverside Steep southeast facing slopes of Andreas Canyon, south of Caramba Overlook, San Jacinto Mountains. 2050 Comment
  RSA633623  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16697 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633646  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20144 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633651  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20160 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA635596  Arctostaphylos peninsularis subsp. peninsularis Jon E. Keeley 1992-7-17 16740 Riverside Morris Ranch Rd. (6S06), 6.3 km east of Hwy 74, western base of Pyramid Pk., San Jacinto Mountains. 1680 Comment
  SEINET3093967 Image available Arctostaphylos pringlei Paul Lamos 1972-4-16 0416720501 Riverside .5 mi. north Lake Filmore highway 243 1646 Comment
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Mar 13 2018
  POM49832  Arctostaphylos pringlei subsp. drupacea P. A. Munz, I. M. Johnston 1924-7-29 8855 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  UCSB11790  Arctostaphylos pringlei subsp. drupacea Creighton, B. 1961-5-6 Riverside 18.8 miles south of Banning on Banning-Idyllwild Road, in the San Bernardino National Forest, San Jacinto Mountains 1584 Comment
  RSA635796  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16538 Riverside Red Mountain Road, 6-6.8 km east of R3. 1015 Comment
  UCR57230  Arenaria douglasii Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns, S of town of Murrieta, on clay hillside at edge of road below Mesa De Burro Comment
  UCR97748  Argemone corymbosa Michael D. Wilcox, Stephen J. Myers 1995-5-27 s.n. Riverside NE Colorado Desert, Cadiz Valley near the San Bernardino Co. line 270 Comment
  RSA0043044  Argemone munita Duncan S. Bell, Loraine Washburn 2014-4-8 6580 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1.25 air miles north northeast of Clemens Well/Bradshaw Trail. 356 Comment
  UCR158721  Argemone munita A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30014 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
  CAS-BOT-BC401680  Argemone munita subsp. munita Ynez Whilton Winblad 1937-4-23 s.n. Riverside Box Canyon Comment
  POM13026  Argemone munita subsp. munita P. A. Munz 1922-4-13 4925 Riverside Hayfields' Chuckwalla Valley 152 Comment
  SD114910  Argemone munita subsp. robusta D. Diaz 1982-5-18 Riverside Santiago Peak. Comment
  CAS-BOT-BC202500  Argythamnia serrata Lewis S. Rose 1935-12-23 35690 Riverside Above Deep Canyon, San Jacinto Mts. Comment
  RSA777634  Aristida adscensionis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 771 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  RSA788433  Aristida adscensionis Jim Andre 2011-2-9 15906 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  UCR2159  Aristida adscensionis F. M. Reed 1920-3-25 4270 Riverside Sonoran (Colorado) Desert, Sand dunes near Indian Wells 30 Comment
  RSA385010  Aristida adscensionis var. modesta Christopher Davidson, J. Jones 1980-4-4 9950 Riverside West end of the Orocopia Mountains in a small canyon and wash almost due south of Oro Peak., Approx. 33 deg 37'N, 115 deg 53'W. Comment
  SEINET239055  Aristida divaricata A. C. Sanders, S. D. Boyd; Mitch Provance J. Ross 1998-10-25 22284 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern) 1 mile. NW of Hwy 371 junction to Anza (Butterfl 1441 Comment
  LA102171  Aristida purpurea John C. Roos; 1965-9-26 sn Riverside Palm Springs, in a parkway Comment
  RSA781413  Aristida purpurea Duncan S. Bell 2011-10-22 2993 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  SEINET14198934  Aristida purpurea J. C. Roos 1965-9-26 Riverside Palm Springs, in a parkway 122 Comment
  UCD56533  Aristida purpurea var. fendleriana Peter H. Raven 1958-5-18 13003 Riverside San Jacinto Mountains, Pinyon Flats. Comment
  POM1098  Aristida purpurea var. parishii I. M. Johnston 1917-4-4 1008 Riverside Palm Canyon. 427 Comment
  SEINET3919297  Aristida purpurea var. parishii LeRoy Gross, Leland Lubinsky; Victor Steinmann; Linda Worlow 2005-2-17 1460 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground.; 0 480 Comment
  JOTR36188  Aristida purpurea var. purpurea La Doux, Tasha, B. Truesdell, M. Wheeler 2013-10-31 3337 Riverside Joshua Tree National Park. Queen Mountain; near Split Rock, approx 0.5 km SE of Elton Mine 1330 Comment
  RSA596672  Artemisia californica Darin L. Banks, Lauren Raz 1996-11-5 1146 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  UCR220001  Artemisia californica A. C. Sanders 2010-11-18 38692 Riverside Peninsular Range; western Gavilan Hills, eastern edge of Corona, north end of 'radio tower' ridge, 1.85 mi. NNE (25 deg. ) of El Cerrito, 1 mi. SSE (143 deg. ) of Home Gardens, just east of large rock quarry 488 Comment
  UCR202214  Artemisia douglasiana Yvonne Thompson, G. Nuhn 1998-9-3 s.n. Riverside San Gorgonio Pass, Banning, site of proposed development called 'Sunset Crossing' at NW corner of Sunset and Westward Aves., between Sunset and Highland Home Rd., N of Westward 756 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
  POM96736  Artemisia tridentata subsp. tridentata E. C. Jaeger 1925-11-9 s.n. Riverside Dripping Spring, S.W. Riverside Co. Comment
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Jul 11 2013
  UCR6699  Arthrocnemum subterminale O. F. Clarke, Sue Freeman 1967-11-3 s.n. Riverside Perris Basin, c. 3 mi. north of Lakeview & c. 3 mi. SSE of Moreno 434 Comment
  RSA0119962  Arundo donax Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9073 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
  JEPS47800  Asclepias californica W. L. Jepson 1928-4-19 12426 Riverside 5 mi or more n Elsinore Comment
  RSA699312  Asclepias californica Pomeroy 1929-5-11 s.n. Riverside Between Lake Elsinore and Glenn Ivy. Comment
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Oct 22 2011
  SEINET955535  Asclepias californica H. S. Gentry 1954-1 14257 Riverside Dripping Springs, along Route 89. Comment
  CDA39849  Asclepias erosa T. C. Fuller 1962-10-2 9700 Riverside South side of Hwy. 60-70 to Blythe, ca. 10 miles east of Desert Center. 0 Comment
  JOTR38526  Asclepias erosa Harding, Mitzi, Kipp Callahan 2012-8-27 295 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  HSC86951  Asparagus asparagoides B. G. Pitzer, E. Misquez 1988-2-28 636 Riverside Walker Basin, SW of Murrieta, Avenida Del Oro, 2 mi. S of Rancho California Road 428 Comment
  CAS-BOT-BC65784  Aspidotis californica F. M. Reed 1908-2-1 2236 Riverside Riverside Comment
  POM17510  Aspidotis californica Philip A. Munz 1923-6-18 7129 Riverside Temecula Canyon Comment
  UC399493  Aspidotis californica S. B. Parish 1908-4-4 6891 Riverside hills near <Declez> ([W end of Jurupa Hills]) Comment
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Aug 14 2010
  POM161537  Aster alpigenus Ralph Hoffmann 1929-9-5 s.n. Riverside Tahquitz Valley, San Jacinto Mountains. Comment
  RSA653764  Aster hesperius Dr H. Baer 1923-9-24 s.n. Riverside Shore of Lake Elsinore Comment
  CAS-BOT-BC177513  Astragalus bernardinus Philip A. Munz 1949-4-11 13006 Riverside Near Conejo Well, north base of Eagle Mts., [Mohave] Mojave Desert 914 Comment
  CAS-BOT-BC177723  Astragalus crotalariae F. O. Ballou 1926-2-28 s.n. Riverside Fish Springs near Oasis Comment
  RSA670366  Astragalus crotalariae B. C. Templeton 1930-3-22 1637 Riverside Palm Springs. 400 Comment
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Jan 4 2012
  UC83972  Astragalus crotalariae C. R. Orcutt 1890-2-6 2040 Riverside Indian Wells Colorado Desert; Indian Wells, Colorado Desert Comment
  SEINET898792  Astragalus didymocarpus H. M. Hall 1905-1 5763 Riverside Palm Springs. Colorado Desert. 152 Comment
  UCD104705  Astragalus didymocarpus Steve Boyd; Tim Ross, Laurel Arnseth 1989-4-1 3185 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 487 Comment
  RSA45537  Astragalus didymocarpus var. dispermus J. C. Roos 1949-3-9 4113 Riverside Near Indio Comment
  SDSU7889  Astragalus douglasii H. Wedberg 1963-5-26 1069 Riverside Banning to Idyllwild road, at junction with road to Black Mountain Publ. Campgr. Lower Yellow Pine Forest. 1646 Comment
  CAS-BOT-BC178436  Astragalus douglasii var. parishii E. A. McGregor 1943-6-12 20 Riverside Idyllwild, San Gabriel Mountains Comment
  POM1992  Astragalus douglasii var. parishii I. M. Johnston 1917-4-4 1005 Riverside Andreas Canyon. Comment
  UCR35038  Astragalus douglasii var. parishii L. B. Ziegler 1972-5-15 461 Riverside San Jacinto Mtns, Hemet (Garner) Valley 1402 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
  CAS-BOT-BC187117  Astragalus lentiginosus var. borreganus Geo. B. Grant 1906-4-8 6747 Riverside Palm Springs Comment
  SD204885  Astragalus lentiginosus var. coachellae Sarah J. De Groot, J. Mark Porter 2006-3-14 5197 Riverside North foot of San Jacinto Mts. Between Snow Creek Road and Highway 111. 366 Comment
  UCR85277  Astragalus lentiginosus var. fremontii Bern Schwenn 1991-5-21 s.n. Riverside Southern Mojave / Colorado Desert, Joshua Tree National Monument [now J.T.N. Park], Lost Horse Valley, east of Ryan Campground along California Riding and Hiking Trail. 1329 Comment
  UCR59498  Astragalus pachypus var. jaegeri Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3226 Riverside Peninsular Range, Vail Lake area, sandstone ridge between Kolb Creek and Temecula Creek, forming peninsula at SW end of Lake. Comment
  OBI35629  Astragalus palmeri Louis B. Ziegler 1972-5-17 458 Riverside San Jacinto Mts - Pinyon Flats 1250 Comment
  RSA415400  Astragalus palmeri B. C. Templeton 1930-3-22 1637 Riverside Palm Springs. 400 Comment
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Aug 27 2011
  UC63675  Astragalus palmeri H. M. Hall May 17 1901-Jun 1 1901 1831 Riverside Below Cottonwoods to Palm Canyon 914 Comment
  CAS-BOT-BC194140  Astragalus pomonensis Joseph Andorfer Ewan; Carl Epling 1933-5-4 7610 Riverside 5 mi. above Corona, Temescal Canyon Comment
  RSA108534  Astragalus pomonensis P. H. Raven, Sidney R. Snow 1956-7-6 9656 Riverside 0.3 miles from U.S. Hwy 60 on State Hwy 79 on route to Gilman Hot Springs, San Jacinto Mtns. Comment
  SBBG120068  Astragalus pomonensis A. C. Sanders, K. Volansky 2005-3-17 29216 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
  UC1094504  Astragalus pomonensis Peter H. Raven, Sidney R. Snow 1956-6-30 9543 Riverside along road 1.7 mi w Dripping Springs Guard Station (on road to Temecula); w of Dripping Springs, on road to Temecula Comment
  UCR281790  Astragalus pomonensis Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-19 417- 99 Riverside Menifee Valley, Menifee, W side of Murrieta Rd., between Melido St. and Wickerd Rd. 482 Comment
  JEPS54848  Astragalus tricarinatus Marjorie Clary July 1929 19 Riverside Whitewater Canyon Comment
  RSA0006864  Astragalus tricarinatus E. C. Jaeger 1921-1 s.n. Riverside Thousand Palms Comment
  POM48357  Athyrium filix-femina P. A. Munz, I. M. Johnston 1924-7-27 8794 Riverside Dark Canyon, San Jacinto Mountains 2134 Comment
  RSA692515  Athyrium filix-femina subsp. cyclosorum H. de Forest 18339 Riverside Idyllwild. Comment
  CAS-BOT-BC17418  Athysanus pusillus H. M. Hall 1897-2-27 367 Riverside Rawson. Comment
  CLARK-A1528-2298  Athysanus pusillus John C. Roos 1967-2-25 Riverside Box Springs Mountains Comment
  POM10279  Athysanus pusillus Charlotte M. Wilder 1904-4-18 s.n. Riverside Wilder s Canyon. Comment
  POM12959  Athysanus pusillus P. A. Munz, I. M. Johnston 1922-5-21 5528 Riverside Hemet Valley, San Jacinto Mts. 1433 Comment
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Feb 18 2013
  RSA522711  Athysanus pusillus Steve Boyd, L. Arnseth, Timothy S. Ross 1990-3-29 3897 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
  RSA758486  Athysanus pusillus M. Wall 2010-4-9 552 Riverside Bautista Creek east of Hemet, Bautista Canyon Rd. ca. 6.4 Miles SE of jct. with Fairview Ave. 713 Comment
  RSA418185  Atrichoseris platyphylla M. B. Dunkle 1933-3-4 3035 Riverside Painted Canyon, Colorado Desert. 30 Comment
  UCSB6734  Atrichoseris platyphylla Krogen, Roger 1957-1 Riverside 4 mi. S of jct. of Hwys 195 and 60-70, at N edge of Orocopia Mts. Comment
  POM153405  Atriplex argentea subsp. expansa P. A. Munz 1928-9-12 11304 Riverside SE end of Elsinore Lake Comment
  RSA339234  Atriplex canescens R. F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-23 53615 Riverside Corronwood Springs Area Comment
  SD143554  Atriplex canescens R. D. Goeden, D. W. Ricker 1978-11-16 Riverside Coachella Valley: Indio, Monroe St. 6 Comment
  UC1303124  Atriplex canescens Carl B. Wolf 1932-10-13 4316 Riverside 4 1/2 mi se Mecca (Caleb (Southern Pacific railway siding), Colorado Desert); Colorado Desert, Caleb, se of Mecca 60 Comment
  UC527696  Atriplex canescens C. B. Wolf 1931-10-14 2462 Riverside roadside at Cabezon (San Gorgonio Pass); , Cabezon 518 Comment
  CAS-BOT-BC170212  Atriplex canescens subsp. canescens Joseph Andorfer Ewan 1931-10-3 5226 Riverside Mockingbird Canyon near Arlington Comment
  RSA532565  Atriplex coronata var. notatior D. E. Bramlet 1991-6-1 2182 Riverside 1.4 km west of Nuevo and some 10 m. south of the end of the 12th street. The population is some 17 m. east of the San Jacinto River. 473 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
  UCR267168  Atriplex coronata var. notatior D. E. Bramlet 2001-5-8 3138 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, west of Davis Rd. near Marvin Rd. 434 Comment
  CAS-BOT-BC354030  Atriplex elegans var. elegans R. E. Riefner, Jr. 2013-8-17 13 -192 Riverside City of Lake Elsinore, along Collier St. E ca 0.2 mi from Hwy. 74, near storage shed 394 Comment
  UCR274804  Atriplex hymenelytra David Fraker, Aaron C. Sedgwick 2012-3-27 040 Riverside Central Mojave Desert, Owl Canyon [in Rainbow Basin Natural Area], by Owl Canyon Campground 973 Comment
  SEINET3105989  Atriplex lentiformis subsp. lentiformis Sears 1978-4-12 1179 Riverside 8 mi. NE of Desert Center, beside roadside. 158 Comment
  JEPS90676  Atriplex pacifica D. Bramlet 1991-5-2 2112 Riverside 7.6 km w of Hemet (some 1.4 km sw of intersection of Warrren Rd and Setson Ave, some 68 m s of Setson Ave. and some 320 m w of MWD Canal, approx 3 m from dirt channel) 500 Comment
  RSA778127  Atriplex polycarpa Thomas Stoughton, E. Gardner, D. Bell 2010-11-12 714 Riverside Coachella Valley Preserve. Site #3. Ca 0.25 mile E of road. 305 Comment
  SBBG29999  Atriplex polycarpa F. W. Peirson 1917-4-1 1812 Riverside Palm Springs Comment
  UCR213868  Atriplex serenana var. serenana Scott D. White 2009-8-10 13355 Riverside Temecula Valley, city of Temecula, west bank of Murrieta Creek, c. 0.5 mi north and south of the Main Street Bridge 306 Comment
  UCR144155  Atriplex suberecta Tricia Campbell 2003-12-2 s.n. Riverside Perris Basin, City of San Jacinto, corner of Ramona Blvd. and Sanderson Avenue 442 Comment
  UCR100173  Avena barbata Scott D. White 1993-3-3 1088 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  UCR92217  Avena barbata D. L. Banks 1995-4-11 182 Riverside Agua Tibia Mtns. Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, along the Dripping Springs Trail. 780 Comment
  UCR16070  Avena fatua Osman 1976-4-26 S-76- 25 Riverside Peninsular Range, Woodcrest, 4 - 5 mi west of Hwy 395 Fwy [now I-215], along Van Buren Blvd. and near March Air Force Base 274 Comment
  UCR232781  Avena fatua John F. Green 2008-4-16 0408- 30 Riverside Peninsular Range; Perris-Aguanga Valley, SE of Romoland, powerline route north of McLaughlin Rd. near Palomar Rd. 445 Comment
  UCR41799  Avena fatua A. C. Sanders 1986-4-13 6466 Riverside Riverside, Riverside, residential garden, 422 Campus View Drive 335 Comment
  RSA295276  Ayenia compacta N. R. Zabriskie, Walter Zabriske 1973-4-24 639 Riverside Andreas Canyon, E slope San Jacinto Mts. (Site A-9) 366 Comment
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Oct 1 2011
  RSA77228  Ayenia compacta F. W. Peirson 1919-4-14 2069 Riverside Murray Canyon, near Palm Springs. Comment
  CAS-BOT-BC98776  Baccharis Elizabeth McClintock 1964-4-8 303 Riverside Snow Canyon, east side of Mt. San Jacinto Comment
  OBI16986  Baccharis brachyphylla Robert F. Hoover 1966-10-15 10171 Riverside Dead Indian cyn Comment
  UCD129391  Baccharis brachyphylla J. C. Roos 1946-9-14 3008 Riverside near Dos Palmos Spring. East of Asbestos Mountain. 1066 Comment
  POM320339  Baccharis emoryi Patricia Wilder 1971-11-17 5320 Riverside Along the Santa Ana River at end of Pedlay Sreet, north of Norco. 198 Comment
  RSA180393  Baccharis emoryi E. W. Lathrop 1965-10-24 6019 Riverside 5 miles W of Murrieta 610 Comment
  UCR164068  Baccharis pilularis John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, Los Alamos Canyon 1.5 mi. SW of Los Alamos Ranch, just outside Cleveland Nat. Forest boundary 564 Comment
  JEPS122466  Baccharis salicifolia J. M. Andre 2012-6-15 30547 Riverside San Jacinto Mountains; west slopes of range slong Poppet Flat Road, Poppet Creek Canyon, 3.2 miles west of Highway 243. Lake Fulmor 7.5' Q. Comment
  SEINET2045190 Image available Baccharis sarothroides B. Pitzer 1996-11-11 2931 Riverside Orocopia Mountains: Salt Creek Wash, at intersection w/SR211, 4 rd. mi. S of Bob's Cabin. Hayfield 15'USGS Quad.:T7s,R14ESW/4, S7 274 Comment
  LA203007  Baccharis sergiloides Flora Murray Scott; 1928-4-2 sn Riverside Marongo Comment
  UCR34875  Baccharis sergiloides L. B. Ziegler 1964-10-15 047 Riverside San Jacinto Mtns, Garner (Hemet) Valley from Kenworthy area 1387 Comment
  CDA41201  Bacopa monnieri Brad Ballen 1982-12-27 s.n. Riverside Desert Island Country Club, Rancho Mirage. 0 Comment
  HSC25084  Bahiopsis parishii Richard Spjut 1972-2-1 2168 Riverside Colorado Desert: N face of the Chuckawalla Mtns., ca. 3-4 mi. S of Desert Center; Providence Mtns., Morongo Basin and also along the W border of the Colorado Desert 305 Comment
  JOTR35449  Bahiopsis parishii Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 53 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop2) Comment
  SBBG22834  Bahiopsis parishii D. Myrick 1965-3-4 1078 Riverside Palms to Pines St Hwy 74 609 Comment
  UCR85075  Baileya multiradiata A. C. Sanders, Helmkamp & MacKay 1995-3-12 16019 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  CAS-BOT-BC99967  Baileya pauciradiata Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio Comment
  UC53925  Baileya pauciradiata F. Gilman 1902-1 Riverside Palm Springs Comment
  UCR108727  Baileya pauciradiata Scott D. White, S. Leatherman 1998-4-15 6295 Riverside Sonoran (Colorado) Desert, La Quinta/Palm Desert Area: Near Miles Ave. crossing over Whitewater River Channel. Degraded dunes north of Miles Ave. & west of Washington St., Coachella Valley 43 Comment
  CAS-BOT-BC106610  Baileya pleniradiata H. M. Hall 1905-4-1 5912 Riverside Near Palo Verde - Colorado Desert 91 Comment
  UCR33596  Baileya pleniradiata Sears 1978-3-18 905 Riverside Sonoran (Colorado) Desert, 1.5 mi from Interstate 10 down Wiley's Well Road, 17 mi west of Blythe, Chuckwalla Valley 122 Comment
  OBI16935  Bebbia juncea H. E. McMinn 1935-6-27 4066 Riverside Palms to Pines Highway Comment
  POM350778  Bebbia juncea Christopher Davidson 1979-4-4 7688 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca. 213 Comment
  CAS-BOT-BC100114  Bebbia juncea var. aspera H. M. H. 1901-5-17 1851 Riverside Palm [Canon] Canyon Comment
  CAS-BOT-BC100136  Bebbia juncea var. aspera J. Von Loh 1978-1-23 3311 Riverside Palo Verde Mesa, 12 mi. W. of Blythe 121 Comment
  RSA793274  Bebbia juncea var. aspera Aaron C. Sedgwick, Joella Simons Adkins 2012-10-24 149 Riverside On Graham Pass Rd. just south of Graham Pass in the Chuckwalla Mtns. Wilderness. 456 Comment
  RSA262098  Berberis dictyota E. W. Lathrop 1970-2-22 7126 Riverside Bedford Truck Trail of the Cleveland Nat l Forest, Trabuco Dist. 915 Comment
  UCR59686  Berberis nevinii Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2959 Riverside Vail Lake, W shore of lake, Kolb Creek drainage in series of small side draws, 442 Comment
  SEINET893003  Bergia texana A. C. Sanders, Mitch Provance 1999-1 23132 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi S of Eden Hot Spr. El Casco. 432 Comment
  RSA336407  Bernardia incana R. F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52074 Riverside Bighorn Lookout: Santa Rosa Mountains. Comment
  POM97991  Bernardia incana E. C. Jaeger 1926-3-26 s.n. Riverside Eagle Mountains, eastern Riverside 1250 Comment
  CSUSB16  Bloomeria crocea D. L. Heald 1966-5-16 52 Riverside Off the road behind Webber Hall at University of California, Riverside (UCR) in the city of Riverside. 304 Comment
  CAS-BOT-BC478938  Bloomeria crocea var. crocea R. Bacigalupi 1925-7-2 1244 Riverside On trail to Tahquitz Peak, San Jacinto Mountains 1828 Comment
  SBBG880  Bloomeria crocea var. crocea H. and M. Dearing 1940-6-8 4353 Riverside W of Ribbonwood, Palms to Pine Hwy Comment
  SD137978  Bloomeria crocea var. crocea Darin L. Banks, Steve Boyd 1995-5-9 382 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, the Dorland Mountain area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground.mIn mesic chaparral. 701 Comment
  CAS-BOT-BC14158  Boechera perennans K. Watkins; E. McClintock 1937-4-10 s.n. Riverside Palms to Pines highway near road to Shumway. Comment
  CAS-BOT-BC14161  Boechera perennans John F. Emmel 1971-3-22 330 Riverside San Jacinto Mountains. Northeast of Pinyon Flat. Dos Palmas immediately below. 1097 Comment
  UC494751  Boechera perennans Philip A. Munz and C. L. Hitchcock 1932-4-9 12229 Riverside White Tanks, e Riverside White Tanks Comment
  UC2026402  Boerhavia coulteri Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10051 A Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  UC1587773  Boerhavia coulteri var. palmeri Duane Atwood 1991-9-9 17074 Riverside 4.8 mi. w. Chirachoa Summit (along I-10) Comment
  RSA41282  Boerhavia wrightii J. C. Roos 1937-8-22 14 Riverside Colorado River, north of Blythe. Comment
  RSA793568  Boerhavia wrightii Duncan S. Bell 2012-9-13 4190 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
  SEINET4691938  Boerhavia wrightii Duncan S. Bell, Aaron Sedgwick 2012-1 4209 A Riverside Colorado Desert; western Colorado Desert region: The Mecca Hills; along what was left of Box Canyon Road After having been buried by a flash flood from a large summer ftorm approx 5 air miles northeast of the junction of box Canyon rRoad and the Coachella Canal of approximatly 1.25 air miles southwest of Shavers well 240 Comment
  UCR57891  Boerhavia wrightii J. M. Stewart 1989-9-17 604 Riverside Western Colorado Desert, Coachella Valley, Pushawalla Canyon, Indio Hills. Comment
  CAS-BOT-BC31018  Bolboschoenus maritimus Mitch Provance 2005-5-17 6599 A Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, 420 Comment
  UCR242652  Bouteloua aristidoides A. C. Sanders, T. B. Salvato 2012-10-12 40437 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, along Bradshaw Trail c. 2 miles west of 30th Ave. at Ludy Blvd./ canal crossing 114 Comment
  POM161550  Bouteloua barbata Ralph Hoffmann 1929-9-11 s.n. Riverside Thomas Valley, San Jacinto Mountains. Comment
  RSA784745  Bouteloua barbata Duncan S. Bell 2012-2-12 3089 B Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SEINET4565925  Bouteloua barbata Duncan S. Bell 2011-10-22 2991 Riverside Sonoran (Colorado) Desert; Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  UCR195802  Bouteloua curtipendula Jim Andre, T. La Doux 2007-9-6 8705 Riverside Little San Bernardino Mountains, Joshua Tree National Park, dirt road to Lost Horse Ranger Station, below Hemmingway Buttress 1237 Comment
  JOTR33756  Bowlesia incana La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2754 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  CDA33896  Brandegea bigelovii Mike Lahti 2010-5-29 PDR# 1358708 Riverside Palm Desert off Hwy 74. 0 Comment
  CLARK-A1528-5382  Brandegea bigelovii John C. Roos 1965-12-4 Riverside Comment
  JOTR28882  Brandegea bigelovii La Doux, Tasha 2004-2-24 1118 Riverside Joshua Tree National Park. Cottonwood Canyon 932 Comment
  RSA5173  Brandegea bigelovii C. B. Wolf 1932-4-17 2988 Riverside 14 mi. E of Mecca on Blythe rd 152 Comment
  RSA697186  Brandegea bigelovii Mary Edmunds 1932-3-26 s.n. Riverside Flying Sphynx Ranch-Coschella Valley. Comment
  RSA796474  Brandegea bigelovii Duncan S. Bell 2009-4-18 206 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  SD227797  Brandegea bigelovii Scott D. White, Sandy Leatherman 1998-4-15 6287 Riverside La Quinta / Palm Desert area: Near Miles Ave. crossing over Whitewater River Channel. Degraded dunes N of Miles ave. and W of Washington St. 29 Comment
  UCR79237  Brassica rapa subsp. sylvestris Steve Boyd, Orlando Mistretta 1992-4-23 7062 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
  CAS-BOT-BC36843  Brassica tournefortii J. Beley 1974-2-22 0462 Riverside 2 miles east of Cabazon. Comment
  CLARK-A1703-1189  Brassica tournefortii Charles S. Papp 1964-5-22 469 Riverside Riverside Comment
  UCD114635  Brassica tournefortii A. C. Sanders 1988-1-30 s.n. Riverside Eastern foothills of the Santa Ana Mountains, ca. midway between Murrieta and Temecula. Los Cerritos Ranch and adjacent 80-acre property to the NW; N of Cherry St., W of Adams Ave., S of Meadowlark Ridge Lane and Elm St. Beside Warm Springs Creek, SW of Adams St. 327 Comment
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Mar 28 2014
  UC1010312  Brickellia desertorum John and Lucille Roos 1950-9-30 4995 Riverside 3 mi n of Elsinore (hills midway between Steele Pk. and Elsinore) 487 Comment
  RSA0062666  Brickellia desertorum Nancy Ryan Zabriskie, Walter Zabriskie 1971-11-27 467 Riverside N.W. of juncture of North Canyon with Andreas Canyon, east slope San Jacinto Mountains. 365 Comment
  RSA234087  Brodiaea filifolia Robert F. Thorne, E. Lathrop 1969-6-6 39323 Riverside Rancho, Mesa de Colorado 625 Comment
  UCR164914  Brodiaea santarosae Chris E. True, R. Vargas, M. Bornyasz 2003-6-3 s.n. Riverside Peninsular Ranges; Southern Santa Ana Mtns., Santa Rosa Plateau Area, Mesa de Colorado, east of large pool off [Via] Volcano road; CCB-WRC Monitoring site 2619 630 Comment
  UCR14996  Brodiaea terrestris subsp. kernensis Kirk Taylor 1976-5-23 76-5-23 16 Riverside Peninsular Range; Santa Ana Mtns., Mesa de Colorado, 9 mi west of Murrieta on Tenaja Rd. 549 Comment
  UCR62090  Brodiaea terrestris subsp. kernensis Jack Easton 1990-5-7 s.n. Riverside French Valley near the airport, c. 0.25 mi NE of the intersection of Winchester Rd. and Borell Rd 402 Comment
  SEINET238913 Image available Bromus arizonicus A. C. Sanders 1998-3-17 21748 Riverside Riverside: open fields at NE edge of UCR campus E and A & I dorms and S of Watkins Dr. (Riverside East 7.5' Q.) 335 Comment
  CAS-BOT-BC221150  Bromus berteroanus A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-7 37794 Riverside Peninsula Range: southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  RSA0014446  Bromus carinatus Justin M. Wood 2010-3-4 1417 Riverside Prado Basin: City of Corona. Just NW of sewage treatment dike (intersection of railroad st. and Yorba St.) 160 Comment
  JOTR30974  Bromus carinatus var. carinatus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1946 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  UCR101435  Bromus diandrus A. C. Sanders 1997-3-19 20049 Riverside Lake Skinner area, lower S slopes of Bachelor Mtn., near old quarries 473 Comment
  UCR102758  Bromus diandrus B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3581 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
  UCR229275  Bromus diandrus Ginny Short 2011-3-23 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; Pushwalla Canyon, c. 11 miles east of Cathedral City 183 Comment
  POM363886  Bromus hordeaceus N. C. Cooper 1944-4-22 1113 Riverside Banning. 732 Comment
  RSA741181  Bromus japonicus Scott D. White, Justin M. Wood 2008-6-17 12168 Riverside Garner Valley- Kenworthy Station (USFS) 1378 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
  UC1117717  Bromus marginatus Alan A. Beetle 1946-6-10 4392 Riverside near Idyllwild (in San Jacinto Mountains); San Jacinto Mountains 1219 Comment
  RSA326154  Bromus orcuttianus var. hallii John F. Emmel 1981-5-25 771 Riverside San Jacinto Mountains; Idyllwild along Southgate Circle Drive ca. 1 mile from Highway 243. 1677 Comment
  UCR92322  Bromus rubens Scott D. White 1995-3-30 2629 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  RSA776209  Bromus tectorum Thomas Stoughton, Christi Gabriel, Stephanie Rockwod 2011-3-29 879 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 793 Comment
  UCR264745  Bromus tectorum Steve Boyd, Carol Boyd 2011-3-29 12305 Riverside Transverse Ranges; San Bernardino Mountains, southeast end of range in south branch of Mission Canyon, just upstream from confluence with north branch 762 Comment
  UCR92223  Bromus tectorum Steve Boyd 1995-4-24 8477 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on N flank of Agua Tibia Mtn, at N base of Wildhorse Peak. Along the Wildhorse Trail near its junction with the Dripping Springs Trail. 610 Comment
  UCR226085  Bromus trinii A. C. Sanders, Nathan Moorhatch 2011-3-22 38768 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  RSA0104458  Caesalpinia virgata Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-2-10 7743 Riverside Santa Rosa Mountains; upper north fork of Bear Creek, about 5.75 air miles north of the summit of Martinez Mountain. 357 Comment
  RSA303516  Caesalpinia virgata J. R. Shevock 1971-3-6 737 Riverside Box Canyon, near Mecca. 304 Comment
  RSA653708  Caesalpinia virgata Scott D. White 2000-3-27 7640 Riverside Coachella Valley, Indio Hills area: Bajada at south side of hills, in Granite Rock Aggregate Quarry operation area. Disturbed soils near powerline tower on S margin of quarry. 46 Comment
  RSA721458  Caesalpinia virgata Sarah J. De Groot, Tim Thibault, Valentin Arvizu, LeRoy Gross, Lisa Rojas 2004-5-14 4335 Riverside Chocolate Mountains: north of the mountains, just north of the Bradshaw Trail, south of Orocopia mountains. 168 Comment
  RSA0105077  Calandrinia ciliata Daphne K. Christopher, Hannah Stevens 2003-4-6 107 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  RSA466561  Calandrinia ciliata Ora M. Clark 1929-4-7 2040 Riverside S. Hemet. Comment
  UCR101792  Calandrinia ciliata George K. Helmkamp, E. A. Helmkamp 1997-3-5 1337 Riverside San Bernardino Mtns./San Gorgonio Pass, Cabazon, 0.5 mi north of I-10 on Millard Pass Rd. 564 Comment
  UCR121784  Calandrinia ciliata A. C. Sanders, Carolyn Washburn 2001-4-17 24033 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  UCR172221  Calandrinia ciliata John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  UCR241947  Calandrinia ciliata A. C. Sanders, Timothy W. Chumley 2013-3-28 40706 Riverside Peninsular Range, Alberhill, along Lake St. 1.45 km south of I-15, near old clay mines 393 Comment
  RSA0108365  Callitriche heterophylla subsp. bolanderi Robert F. Thorne, Walter Wisura, Earl W. Lathrop, Sara Meury 1985-5-18 60638 Riverside Santa Rosa Plateau: Along seasonal stream in Cole Canyon, near entrance to Nature Conservancy Reserve. 530 Comment
  CLARK-A1528-4982  Callitriche marginata John C. Roos 1966-3-6 Riverside March Air Force Base Comment
  RSA377347  Calochortus concolor N. C. Cooper 1944-7-15 1565 Riverside Palms to Pines Highway, San Jacinto Mountains. 1372 Comment
  RSA5545  Calochortus invenustus Carl B. Wolf 1932-8-5 3966 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2744 Comment
  SD135160  Calochortus palmeri var. palmeri Craig Reiser, Dylan Hannon 1993-5-30 Riverside Northwest flank of Santa Rosa Peak, well upslope of Highway 79, mesic opening in chaparral. (IPB 3/08) Comment
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Dec 29 2017
  HSC92910  Calochortus splendens Scott White 1993-5-29 1442 Riverside San Bernardino Mtns., Banning Canyon and Big Oaks Canyon along rd. to Raywood Flat, Yucaipa Ridge 1402 Comment
  RSA752778  Calochortus splendens Scott D. White, Justin M. Wood 2009-5-21 12842 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  RSA192246  Calochortus weedii H. A. Zuill 1966-6-5 191 Riverside 1 mile SW of Murrieta on the Tenaja Grade. Comment
  POM256722  Calochortus weedii var. intermedius W. Pequegnat 1940-6-18 s.n. Riverside Sierra Peak, Santa Ana Mountains. Comment
  UCR89806  Calochortus weedii var. weedii Scott D. White 1993-5-27 1417 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  RSA234072  Calycadenia tenella R. F. Thorne 1969-5-19 37980 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 624 Comment
  RSA525344  Calycadenia tenella Steve Boyd 1990-4-28 4442 A Riverside Vail Lake area, summit of 'Big' Oak Mtn, N of lake 762 Comment
  UCR144115  Calycadenia tenella Scott D. White 2000-5-1 7748 Riverside Santa Ana Mtns, Corona, western foothills of Santa Ana Mtns near Bedford Canyon 412 Comment
  RSA796017  Calycoseris wrightii Duncan S. Bell 2009-4-18 246 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 Comment
  RSA0051770  Calycoseris wrightii A. Lee Haines 1974-4-8 s.n. Riverside North side of Orocopia Mountains. 396 Comment
  JEPS122469  Calyptridium monandrum J. M. Andre 2012-6-15 30540 Riverside San Jacinto Mountains; along Highway 243, 10.7 miles south of Interstate 10 (Banning), San Bernardino National Forest. Lake Fulmor 7.5' Q. Comment
  SEINET7063439  Calyptridium monandrum A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage in Tucalota Valley on East Benton Road. UTM Zone 11, 501405mE, 3715115mN. (WGS84/NAD83). 561 Comment
  UCR16507  Calyptridium monandrum Leland R. Dykes 1962-4-1 12 Riverside San Bernardino Mtns/ Sonoran (Colorado) Desert, Whitewater Canyon Rd, 4.5 mi north of U.S. 60 732 Comment
  RSA466602  Calyptridium parryi var. parryi E. C. Jaeger 1921-6-15 s.n. Riverside Strawberry Valley. 1585 Comment
  SDSU17441  Calyptridium parryi var. parryi C. Matt Guilliams, Michael and Lori Simpson, Mike Silveira 2007-6-25 373 Riverside San Jacinto Wilderness State Park, summit of San Jacinto Peak. Ca. 20 meters south of sign marking high point, in sandy opening among boulders. 3292 Comment
  RSA422205  Calystegia macrostegia subsp. arida Christopher Davidson 1975-6-16 2806 Riverside Ca. 4 mi. S of Banning on roas R1 to Idyllwild. 1128 Comment
  RSA0043042  Camissonia arenaria Duncan S. Bell, Loraine Washburn 2014-4-8 6582 Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  CSUSB951  Camissonia bistorta Charlotte M. Bringle, Heather Johnston 1967-4-22 Riverside Near Lake Elsinore, 2.2 miles south of Santa Fe overpass on Highway 71, and 50 feet south of Glen Eden mail box. In canyon. Comment
  RSA465921  Camissonia bistorta Ora M. Clark 1929-3-2 1604 Riverside Near Alberhill. Comment
  RSA466984  Camissonia bistorta H. de Forest 1929-3-16 s.n. Riverside San Bernardino Mts, San Gorgonio Pass. Comment
  RSA522751  Camissonia bistorta Steve Boyd, L. Arnseth, T. S. Ross 1990-3-29 3858 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
  UCR177000  Camissonia bistorta Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 295 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 Comment
  UCR91505  Camissonia bistorta Scott D. White 1995-4-5 2727 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  RSA485833  Camissonia boothii T. S. Elias 1988-2-26 10683 Riverside Joshua Tree. Northeastern section of Eagle Mountains east of Joshua Tree National Monument. Comment
  UCR112094  Camissonia brevipes A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23361 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR260830  Camissonia brevipes A. C. Sanders, Jim Malusa 2015-3-11 41399 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
  RSA76151  Camissonia brevipes subsp. brevipes P. A. Munz, R. D. Harwood 1920-4-2 3580 Riverside Colorado Desert, near Blythe. 152 Comment
  UCR216225  Camissonia brevipes subsp. brevipes Jim Andre, T. La Doux 2009-2-25 10819 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  UCR228173  Camissonia brevipes subsp. brevipes Dave Silverman, Mark Bibbo 2010-3-31 7893 Riverside Sonoran (Colorado) Desert, southern McCoy Mountains, east bajada flank, 1.6 km W of Black Creek Rd, 7.0 km NE of McCoy Peak, and 6.8 km north of I-10 178 Comment
  RSA145174  Camissonia californica William M. Klein 1958-2-11 30 Riverside 2.6 mi. east of Cabazon on hwy. 70-99 546 Comment
  UCR123827  Camissonia californica Steven R. Hill 2001-5-3 33654 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
  UCR227000  Camissonia californica Jim Andre 2011-2-2 16221 Riverside Coachella Valley, mouth of Big Morongo Wash, 1 mi east of Hwy 62, just north of North Indian Canyon Road, west of Desert Hot Springs, 7.5 mi north of Hwy I-10 487 Comment
  UCR84616  Camissonia californica Scott D. White, S. Ogg 1994-4-21 2002 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA651689  Camissonia cardiophylla Viki Cruz 1983-5-8 013 *k Riverside Collected at the end of a one mile dirt road off Indian Trail Road at the base of Magnesia Canyon, Santa Rosa Mts. Comment
  RSA709898  Camissonia cardiophylla Sarah J. De Groot, Leland Lubinsky, Naomi S. Fraga, Lisa Rojas 2005-2-10 4600 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA790631  Camissonia cardiophylla Aaron C. Sedgwick, David Fraker 2012-4-24 12 Riverside In the Palen Valley south of Power Line Rd. that parallels Hwy. 10 159 Comment
  UCR248432  Camissonia cardiophylla Duncan S. Bell 2012-2-12 3113 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  POM14023  Camissonia claviformis subsp. aurantiaca P. A. Munz, D. Keck 1922-4-9 4913 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA778138  Camissonia claviformis subsp. aurantiaca Jim Andre 2011-2-2 16211 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  RSA186795  Camissonia confusa Peter H. Raven 1962-5-18 17763 Riverside Junction [of] Main Divide Truck Trail with Ortega Highway, Santa Ana Mountains. 701 Comment
  SEINET7042773  Camissonia graciliflora W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Road shoulder on Long Valley Road north of Tecula. Ca. 0.1 mile east of U.S. 395 [=Interstate 15 & Route 79]. Comment
  RSA496463  Camissonia hirtella Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3079 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  RSA676129  Camissonia hirtella Scott D. White 2001-4-13 8328 Riverside Badlands; County landfill area north of Moreno Valley. About 1/4 air mi NW of the SR-60 Freeway jtn with Gilman Springs Rd. 595 Comment
  UCR263472  Camissonia hirtella A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35589 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, c. 1.25 mi ENE of Mountain Center, nameless tributary to Coldwater Creek north of Johnson Meadow, along trail from May Valley Rd. 1555 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
  RSA449226  Camissonia ignota N. C. Cooper 1949-6-29 4381 Riverside East side of San Jacinto Mountains. 457 Comment
  SEINET7040153  Camissonia ignota A. G. Vestal 1962-4-8 Riverside Ca. 3.5 miles north east of Lake Elsinore (Elsinore)on Rt.74. UTM Zone 11, 472765mE, 3731077mN. Comment
  UCR256752  Camissonia micrantha T. B. Salvato, Matthew Malle 2013-4-5 7527 Riverside Perris-Aguanga Basin, Sedco Hills, east-facing slope above the intersection of Green Meadow Way and Beverly Street, c. 5 mi east of Lake Elsinore 579 Comment
  UCR102931  Camissonia pallida George K. Helmkamp 1998-4-3 3064 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river 396 Comment
  RSA314653  Camissonia pallida subsp. pallida Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55417 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA449243  Camissonia pallida subsp. pallida Anstruther Davidson 1904-5-1 1090 Riverside Palm Springs. Comment
  POM126860  Camissonia refracta Joseph Grinnell 1910-3-17 s.n. Riverside Riverside Mt. Colorado River. Comment
  POM98819  Camissonia refracta P. A. Munz 1926-1-31 9947 Riverside Dos Palmos [Palmas] Spring. Comment
  RSA775383  Camissonia refracta Duncan S. Bell 2011-4-10 2247 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  SEINET269601  Camissonia refracta John Wear 1995-3-22 Riverside Colorado Desert: Wash along Eagle Mountain Road N of I-10 near Deset Center. Comment
  POM3184  Camissonia strigulosa C. F. Baker 1904-4-5 4116 Riverside Hemet Comment
  RSA171325  Camissonia strigulosa J. Olmstead 1962-5-3 3474 Riverside E slope on Baldy Mt., along Pines to Palms hwy., 1 1/2 mi. S of 4936' summit south of Mt. Center. San Jacinto -Santa Rosa Mts. 1311 Comment
  UCR201453  Camissonia strigulosa Scott D. White, Justin M. Wood 2008-6-5 12080 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 Comment
  UC1228539  Camissoniopsis ignota C. L. Hitchcock and C. V. Muhlick 1962-3-16 22151 Riverside ca 12 mi se Corona; Temescal Canyon Comment
  UC219221  Camissoniopsis pallida subsp. pallida P. A. Munz and I. M. Johnston 1922-5-6 5223 Riverside Smith Water Canyon Little San Bernardino Mts. 1005 Comment
  UCR109622  Carduus pycnocephalus R. D. Goeden, Don W. Ricker 1970-3-30 s.n. Riverside Box Springs Mtns., Highgrove, National Orange Co. property beyond E end of Palmyrita Ave. 412 Comment
  SEINET7556721 Image available 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. Fallbrook 7.5' Q. 640 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-BC20600  Carex douglasii Philip Alexander Munz 1938-8-13 15331 Riverside Santa Rosa Peak. 2316 Comment
  POM122858  Carex fracta Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
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Sep 3 2011
  SD37199  Carex sartwelliana Darley F. Howe 1941-6-8 Riverside San Jacinto Mountains; Strawberry Creek. Comment
  POM7120  Carex senta Phillip A. Munz, L. T. Street 1919-5-7 2726 Riverside Tahquitz Canyon, San Jacinto Mountains 244 Comment
  UCR35297  Carex senta L. B. Ziegler 1970-5-20 406 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon). 1677 Comment
  UCR123632  Carex spissa Steven R. Hill, A. C. Sanders 2001-5-4 33729 Riverside Santa Rosa Plateau, Carancho Road, at crossing of De Luz Creek (headwaters) 360 Comment
  SEINET4170163  Carex teneriformis Unknown 1938-8-13 15322 Riverside Cedar Spring, N. base of Santa Rosa Peak 2286 Comment
  RSA674962  Carex triquetra Scott D. White, Teresa Salvato 2001-6-8 8585 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCR114171  Castela emoryi B. G. Pitzer, J. Ross 1998-3-8 3594 Riverside Sonoran (Colorado) Desert, Hayfield Lake, on the lakebed, SE of pumping station, near center of lake 396 Comment
  UCR26491  Castilleja affinis subsp. affinis A. C. Sanders, S. Hagopian 1981-5-20 2137 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  POM229446  Castilleja applegatei subsp. martinii Philip A. Munz 1937-5-30 15078 Riverside Northwest slope of Santa Rosa Mt. 2134 Comment
  RSA448695  Castilleja applegatei subsp. martinii N. C. Cooper 1945-5-24 1624 Riverside Big Oaks Canyon, Banning. 1220 Comment
  SEINET7073343  Castilleja densiflora A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  CSUSB894  Castilleja foliolosa Steve Kulju 1974-5-9 Riverside Jack Rabbit Trail, one mile south of U.S. Highway 60. 487 Comment
  RSA33474  Castilleja foliolosa N. C. Cooper 1944-5-7 1182 Riverside Banning. 701 Comment
  RSA519243  Castilleja foliolosa Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA0076467  Castilleja stenantha Gale Sphon 1959-5-2 320 Riverside Horsethief Canyon. Comment
  UCR114745  Catalpa bignonioides A. C. Sanders, K. C. Rose 1999-6-18 22800 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave., 1/2 mile south of Rawson Rd. 439 Comment
  SBBG87798  Caulanthus cooperi A. C. Sanders, B. Pitzer, D. Charlton 1986-3-2 6052 Riverside Chuckwalla Bench, S side of Chuckwalla Mtns, on Bradshaw Rd, ca. 2 mi E of gasline rd; T7S, R15E, S30 640 Comment
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Jun 1 2011
  UCR127574  Caulanthus heterophyllus D. E. Bramlet 2003-4-18 3372 Riverside Base of San Jacinto Mtns., 2,348m south of Cabazon, 2,012m northwest of Cabazon Peak, and 183m northwest of the Colorado River Aqueduct 548 Comment
  UCR250880  Caulanthus heterophyllus S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1045 Riverside Lakeview Mountains, along powerline access road NE of Juniper Flats Rd. 649 Comment
  UCR150970  Caulanthus lasiophyllus D. L. Banks, V. W. Steinmann 1997-3-13 1521 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
  CAS-BOT-BC39659  Caulanthus simulans Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mount San Jacinto. Comment
  RSA0042497  Caulanthus simulans Ed Kentner, Onkar Singh 2014-4-4 366 Riverside Cleveland National Forest, near Main Divide Road approx. 2 km southeast of Ortega Hwy 843 Comment
  CAS-BOT-BC48497  Ceanothus crassifolius John Thomas Howell 1931-5-30 6607 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  RSA160403  Ceanothus crassifolius J. D. Olmsted 1959-4-17 409 Riverside At edge of main knobcone pine grove on NE ridge of Sugarloaf Pk. along Main Divide T.T. ssw of Corona. 1159 Comment
  RSA517100  Ceanothus crassifolius Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-19 3019 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  RSA606756  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27364 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  SDSU14296  Ceanothus crassifolius Robin P. Silverstein, Taxonomy of CA Plants class, M. G. Simpson, instructor 2000-4-2 7 Riverside Santa Margarita Ecological Reserve. 75 meters form Northside Field Station, and 10 meters west of fork in road. 320 Comment
  UC1071024  Ceanothus crassifolius A. Lewis 1933-2-2 153 Riverside 2 mi w Oak Mt.; San Jacinto quad 609 Comment
  POM184166  Ceanothus leucodermis P. A. Munz 1932-3-24 12027 Riverside Base of mts. south of Elsinore Lake. 366 Comment
  RSA82948  Ceanothus leucodermis R. M. Straw 1953-6-5 450 Riverside Fuller Mill Creek camp, Idyllwild-Banning Rd. Comment
  UCR30793  Ceanothus leucodermis A. C. Sanders, W. Rehlaender, N. M. Fellows 1983-6-28 3865 Riverside San Jacinto Mtns., Mt. Edna Road, 0.2 mi west of Hwy 243, about 5 mi above Banning. 1067 Comment
  CAS-BOT-BC63467  Ceanothus palmeri Carl B. Wolf 1941-8-12 11142 Riverside San Jacinto Mts. 3.5 mi. nw. Idylwild on Dark Canyon Rd. 1645 Comment
  RSA0022330  Ceanothus perplexans Ora M. Clark 1929-2-23 1523 Riverside South of Beaumont, San Jacinto Mountains Comment
  RSA561075  Ceanothus spinosus Steve Boyd, Orlando Mistretta 1992-4-22 7009 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  LA44949  Ceanothus tomentosus W. Pequegnat; 1939-8-11 35 Riverside Santa Ana Mountains, Sky line drive Comment
  RSA221096  Ceanothus tomentosus var. olivaceus E. W. Lathrop 1966-3-23 6092 Riverside Santa Ana Mountains: Corona between Tin Mine Canyon and Santiago Peak, Skyline Drie. Comment
  UCR20816  Celtis sinensis A. C. Sanders 1980-5-22 1507 Riverside San Jacinto Mtns., Hwy 243, 0.6 mi above the foot of the mtn. at Smith Creek 732 Comment
  RSA773130  Centaurea melitensis Duncan S. Bell, J. D. England 2010-6-7 1266 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 780 Comment
  RSA561524  Centaurea solstitialis Steve Boyd 1992-9-9 7672 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  RSA697665  Centaurium exaltatum J. R. Bruff 1934-4-19 540 Riverside Pinon belt-Palms & Pines Hiwy Comment
  UCR143377  Centaurium venustum C. B. Wolf 1932-8-6 3994 Riverside San Jacinto Mountains, 2.9 mi from Idyllwild on the [control] road to Hemet 1220 Comment
  UCR174431  Centaurium venustum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32479 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
  RSA650569  Centaurium venustum C. J. Humphrey, Herbert Humphrey, E. T. Bartholomew 1936-6-7 250 Riverside In desert 15 miles north [E?] of Riverside 366 Comment
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Dec 15 2011
  LA203694  Centromadia pungens Elizabeth McClintock; 1938-5-30 sn Riverside San Jacinto Comment
  RSA0008430  Centromadia pungens subsp. laevis Scott D. White 2009-8-10 13347 Riverside Temescal Valley: City of Temecula, West bank of Murrieta Creek, from Rancho Califonria Rd to Cherry St. 306 Comment
  UCR63956  Centrostegia thurberi Chet McGaugh 1990-7-31 s.n. Riverside Peninsular Range, SW Durasno Valley, south of town of Anza 1372 Comment
  JOTR00987  Centrostegia thurberi Cole, James E. 1941-5-17 711 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1280 Comment
  POM122304  Cercidium floridum Marcus E. Jones 1926-6-8 sn Riverside Palm Springs Comment
  SD90095  Cercocarpus betuloides Nancy Ryan Zabriskie 1972-10-22 546 Riverside Small dry watercourse area, NE side of Cactus Spring Trail west of Horsethief Canyon. Deep Canyon drainage, north slope Santa Rosa Mts. 1096 Comment
  CAS-BOT-BC135493  Cercocarpus betuloides var. betuloides James R. Shevock 1976-11-24 5384 Riverside Along Calif. Highway 74 near El Cariso Station - Santa Ana Mountains, Cleveland National Forest 670 Comment
  UC1366083  Cercocarpus betuloides var. betuloides Nancy Ryan Zabriskie and Walter Zabriskie 1969-7-5 216 Riverside Idyllwild, Pine Cove, near fier road beyond s end of Marion Ridge Road Pine Cove; Idyllwild, Pine Cove 1828 Comment
  CAS-BOT-BC279537  Chaenactis artemisiifolia Edmund C. Jaeger 1932-5-12 s.n. Riverside Aguanga 600 Comment
  RSA131712  Chaenactis artemisiifolia E. K. Balls 1958-6-27 23294 Riverside Yellow Pine Forest. Santa Ana Mts. , between Santiago Peak and Indian Truck Trail along Main Divide. 1311 Comment
  RSA674925  Chaenactis artemisiifolia Scott D. White, P. De Vries 2000-4-25 7727 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  CAS-BOT-BC276404  Chaenactis carphoclinia Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2148 Riverside N end Palen Mountains, 2 miles W of Palen Pass, mid-bajada 300 Comment
  RSA784770  Chaenactis carphoclinia Duncan S. Bell 2012-3-18 3174 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  UCR102720  Chaenactis carphoclinia B. G. Pitzer 1998-1-24 3406 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  RSA4895  Chaenactis carphoclinia var. carphoclinia C. B. Wolf 1932-4-27 3011 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  CAS-BOT-BC276903  Chaenactis fremontii Philip A. Munz 1940-3-23 15721 Riverside 3 miles N of Cottonwood Springs, Eagle Mountains 914 Comment
  RSA528101  Chaenactis fremontii Steve Myers 1991-4-15 91 -21 Riverside City of Banning, W of fields Road, N of Interstate 10 & S o the Morongo Indian Reservation. 671 Comment
  UC894461  Chaenactis fremontii I. W. Clokey and B. C. Templeton 1930-4-9 4699 Riverside n of Palm Springs; Colorado Desert 170 Comment
  SFV3811  Chaenactis glabriuscula P. G. Kilburn 1958-5-17 810 Riverside 3 miles south of Banning. 305 Comment
  UC1951107  Chaenactis glabriuscula Scott D. White, Justin Wood 2009-5-22 12910 Riverside SAN JACINTO MOUNTAINS: Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. USGS Blackburn Canyon 7.5' Quad. Comment
  UCR132915  Chaenactis glabriuscula John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  UCR231816  Chaenactis glabriuscula Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 14 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  UCR260857  Chaenactis glabriuscula A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41492 Riverside San Gorgonio Pass, c. 3.8 miles east of Cabazon, north of San Gorgonio River wash, south of I-10 and generally NE of water bottling plant, west of dirt road to wind farm 439 Comment
  POM19631  Chaenactis glabriuscula var. glabriuscula Mary F. Spencer 1923-6-16 2162 Riverside Idyllwild, San Jacinto Mts 1646 Comment
  RSA278485  Chaenactis glabriuscula var. glabriuscula John F. Emmel 1977-6-26 573 Riverside San Jacinto Mts, flat area 0.1 air mile WNW of Vista Grande Ranger Station, ESE of Ranger Peak 1500 Comment
  RSA60733  Chaenactis glabriuscula var. glabriuscula Frank W. Gould 1943-4-17 2107 Riverside 12 miles south of Corona on road to Elsinore. Comment
  UC34689  Chaenactis glabriuscula var. glabriuscula E. A. Zumbro 1902-4-1 Riverside near (Box Springs Mt.) Riverside; Box Springs Mt., Riverside Comment
  UCR117079  Chaenactis glabriuscula var. lanosa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24202 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UC1463879  Chaenactis parishii Jeanine Derby 1976-6-29 Riverside Quinn Flats San Jacinto Mts., Garner Valley 1371 Comment
  CAS-BOT-BC284347  Chaenactis stevioides H. M. Hall 1905-4-23 5874 Riverside Chuckawalla Bench, Colorado Desert Comment
  CHSC8272  Chaenactis stevioides Edward L. Smith 1958-3-21 357 Riverside Chuckwalla Mtns., 3 mi. n of Desert Center. 274 Comment
  JEPS8640  Chaenactis stevioides Rimo Bacigalupi with Richard Holm and R. S. Ferris 1953-4-20 4039 Riverside 7 mi e of Shaver Summit (along U.S. Highway No. 60-70, opposite Hayfield Dry Lake) 441 Comment
  JOTR31225  Chaenactis stevioides La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2009 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 3) sand ramps 432 Comment
  JOTR34050  Chaenactis stevioides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2950 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  UCR213271  Chaenactis stevioides A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37430 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  UCR244911  Chaenactis stevioides Jim Andre 2012-3-19 21353 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  RSA500074  Chamaesyce albomarginata Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3238 Riverside Vail Lake area, sandy valley at NE end of lake, N of Wilson Creek 488 Comment
  RSA597072  Chamaesyce albomarginata D. L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1124 Riverside NW Palomar Mountains; Agua Tibia Mountains; Arkose foothills N of Wild Horse Peak, S of Hwy. 79; At a small turn off on the S side of Hwy. 79, approximately 50 m E of Crosley Road, W of Temecula Creek. 470 Comment
  RSA0042831  Chamaesyce polycarpa Duncan S. Bell, Deidre Conocchioli 2014-3-18 6247 Riverside Orocopia Mountains; southern section of range; Gucci Spring. 416 Comment
  RSA0080444  Chamaesyce polycarpa Sarah J. De Groot, Amy Rouillard 2015-9-15 7575 Riverside Along Eagle Mountain Road north of I-10, at large wash crossing. West of Desert Center, western Chuckwalla Valley. 314 Comment
  RSA775100  Chamaesyce polycarpa Duncan S. Bell, Michael Hee 2011-3-18 2053 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  RSA0094269  Chamaesyce serpillifolia Duncan S. Bell 2015-9-30 8684 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  UC64183  Chamaesyce serpyllifolia H. M. Hall 1901-6-1 2183 Riverside Thomas Valley San Jacinto Mtns 1371 Comment
  RSA0065478  Cheilanthes californica W. A. Peard 1949-2-4 s.n. Riverside Kroonen Canyon, Corona. 335 Comment
  IRVC19370  Cheilanthes clevelandii R. L. Allen 1977-2-11 s.n. Riverside Bear Creek Canyon; near Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  RSA685716  Cheilanthes covillei I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 762 Comment
  UC218616  Cheilanthes covillei Ivan Johnston Apr Riverside Palm Canyon Comment
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Jul 4 2015
  UCR178197  Cheilanthes covillei Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1018 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, low hills on the south side of Wood Canyon near its mouth, tree stand W-5 1280 Comment
  POM893  Cheilanthes newberryi I. M. Johnston 1918-5-30 s.n. Riverside Temescal Canyon (between Elsinore and Corona) 304 Comment
  UCR117104  Cheilanthes newberryi A. C. Sanders, T. B. Salvato 2001-5-16 24306 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR90966  Cheilanthes newberryi Scott D. White 1996-3-23 3842 Riverside Perris Basin, Santa Rosa Hills, SE of Hemet, Loomis property, 'Friendly Hills Ranch 610 Comment
  UC336622  Cheilanthes parryi C. C. Parry and J. G. Lemmon Apr. 1876 3 Riverside Mt San Jacinto; Colorado Desert Comment
  UCR218474  Cheilanthes parryi Jim Andre, T. La Doux 2009-3-10 11252 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
  UCR91552  Cheilanthes viscida A. C. Sanders, G. K. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15904 Riverside San Jacinto Mtns/Colorado Desert, Chino Canyon near Palm Springs, along the loop rd just below the lower tram station 793 Comment
  SEINET238511  Chenopodium album A. C. Sanders, Mitch Provance 2000-10-16 23722 Riverside Riverside: railroad right of way between Watkins Dr. and Campus View Dr. near site of Lemona siding. 335 Comment
  UCD97783  Chenopodium album C. W. Tilforth 1968-3-11 138 a Riverside Western end of Tallac Knoll, LASCA, Arcadia. Comment
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Sep 7 2013
  RSA654967  Chenopodium berlandieri A. C. Sanders, D. Malueg, K. D. Jones, et al. 2000-9-8 s.n. Riverside Perris-Aguanga Basin Region: gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, S of Scott Rd. 415 Comment
  UCR275354  Chenopodium berlandieri T. B. Salvato, Melissa Clemons 2005-6-9 1497 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  RSA717576  Chenopodium californicum A. C. Sanders 2004-5-5 27754 Riverside Gavilan Hills; route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak 579 Comment
  SBBG101707  Chenopodium californicum S. Boyd with T. Ross, M. Hammitt 1991-5-2 6080 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  UC447179  Chenopodium murale J. Ewan 1931-4-3 4127 Riverside Wiley Well Colorado Desert Comment
  UCR21961  Chenopodium murale Steve Boyd 1980-5-5 200 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR26984  Chenopodium murale E. W. Lathrop 1966-5-8 6474 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  RSA125318  Chenopodium murale P. H. Raven 1958-2-15 11566 Riverside 24.7 miles east of turn to Corn Springs, Chuckwalla Mountains. Comment
  SBBG133564  Chilopsis linearis S. D. White, A. Carey 2004-7-2 10565 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Poppet Crk Cyn 549 Comment
  RSA0087834  Chilopsis linearis subsp. arcuata Sarah J. De Groot, Duncan S. Bell 2015-5-14 7373 Riverside White Water, along Pacific Crest Trail about 400 m south of Forks 3028, and about 450 m south of Red Dome. Southeast side of San Bernardino Mountains. 768 Comment
  UC574980  Chilopsis linearis subsp. arcuata C. Epling and Wm. Robison 1933-6-24 Riverside San Gorgonio Wash Little San Bernardino Mts., San Gorgonio Wash Comment
  JEPS15398  Chloris virgata Joseph and Hilda Grinnell 1937-11-30 1081 a Riverside 24 mi w Blythe (bed of Ford Dry Lake); bed of Ford Dry Lake 106 Comment
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Sep 8 2011
  UC63965  Chlorogalum parviflorum Miss Ella Foster 1897-5-15 534 Riverside Menifee Menifee (Southern California) Comment
  UCR103557  Chorizanthe brevicornu var. brevicornu George K. Helmkamp, E. A. Helmkamp 1998-1-17 2551 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  UCR116990  Chorizanthe coriacea A. C. Sanders, T. B. Salvato 2001-5-3 24073 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR220133  Chorizanthe coriacea D. E. Bramlet 1989-4-12 1831 Riverside Peninsular Range; Perris-Aguanga Basin region, South Domenigoni Hills, 600 ft. east of Rawson Canyon, c. 6000 ft. south of Newport Rd. [site now under water of Diamond Valley Reservoir] 518 Comment
  SEINET7081594  Chorizanthe fimbriata A. G. Vestal 1947-6-13 s.n. Riverside Grade in burned chaparal. About 5.2 miles northeast of De Luz on the De Luz-Murrieta Road. Coordinate Datum: NAD27. UTM Zone 11, 474176mE, 3702756mN. Comment
  CAS-BOT-BC460910  Chorizanthe leptotheca W. P. Vestal; A. G. Vestal 1947-3-30 s.n. Riverside About 2 miles up San Jacinto Canyon 518 Comment
  RSA500539  Chorizanthe leptotheca Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3613 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  UC450104  Chorizanthe leptotheca F. M. Reed 1905-6-9 778 Riverside Riverside and vicinity 365 Comment
  UCR19249  Chorizanthe parryi var. parryi John C. Roos 1950-5-27 4819 Riverside Peninsular Range, Hills NE of summit of Reche Canyon 762 Comment
  UCR216954  Chorizanthe parryi var. parryi John Dvorak, Karyn L. Drennen 2010-5-10 03 Riverside Perris-Aguanga Basin, French Valley, Warm Springs. ~35m north of creek and ~300m northwest of Maxmillian Ave. 385 Comment
  UCR266287  Chorizanthe parryi var. parryi D. E. Bramlet, Ileene Anderson 2005-4-18 3807 Riverside Hills west of Hemet-Ryan Airport, 650 m west of California Ave., 1300 m south of Hwy 74, 1100 m north of Stowe Rd. 539 Comment
  UCR121690  Chorizanthe polygonoides var. longispina D. E. Bramlet 1993-5-10 2348 Riverside Lake Skinner area, Lake Skinner County Park, 3,000 ft. (~0.5 mi.) west of 'Old' Warren Road and 9,800 ft. (~1.9 mi.) west of 'Old' Warren Road and 1,300 ft. (~0.25 mi.) south of access road. 471 Comment
  UCR171971  Chorizanthe polygonoides var. longispina John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  UCR91227  Chorizanthe polygonoides var. longispina D. E. Bramlet 1995-4-25 2395 Riverside Shipley Reserve/SE corner of Lake Skinner Co. Park, within and beside the Equestrian Trail, south of the Tucalota Hills and approximately 702 m SE of the park entrance road and 610 m north of East Benton Road, just SW of knoll 1800 ft 524 Comment
  UC55793  Chorizanthe procumbens H. M. Hall May 1901 1983 Riverside Temecula Valley Comment
  CAS-BOT-BC246238  Chorizanthe rigida S. B. Parish 1912-7-3 8061 Riverside Dermid [?], Salton Sea Comment
  RSA559921  Chorizanthe rigida Steve Boyd, Carol Boyd, Kyle Boyd 1992-4-19 6910 Riverside N end of the Granite Mtns on sandy bajada along poweline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  RSA0097129  Chorizanthe xanti var. leucotheca Marc A. Baker 2015-7-9 18402 Riverside San Gorgonio Pass, 32 km WNW of central Palm Springs, 100m north of the San Gorgonio River, 4 km ENE of Banning. 638 Comment
  POM351972  Chrysothamnus nauseosus subsp. bernardinus N. R. Zabriskie, W. M. Zabriskie 1971-8-21 434 Riverside Toro Peak, Santa Rosa mtns 2657 Comment
  CLARK-A1528-1728  Chrysothamnus paniculatus John C. Roos 1943-10-17 2736 Riverside Little San Bernardino Mountains Comment
  UCR279518  Chylismia brevipes A. C. Sanders, Jim Malusa 2017-3-27 43118 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  UCSB4394  Chylismia brevipes Long, Frances 1939-12-31 Riverside Salton Sea Comment
  SEINET13009282  Chylismia brevipes subsp. brevipes J. S. Horton 1973-3-19 698 Riverside 5 miles west of Desert Center. 366 Comment
  SBBG100298  Chylismia claviformis W. L. Halvorson 1977-2-15 77 -28 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  SBBG28551  Chylismia claviformis subsp. aurantiaca D. Myrick 1964-4-30 817 Riverside Pines to Palms Hwy 74, 12 mi W of Palm Desert 1066 Comment
  UCSB12722  Chylismia claviformis subsp. aurantiaca Dearing, Hugh; Dearing, Margaret 1936-12-25 Riverside Long Canyon; near Los Angeles Aqueduct Road; Colorado Desert Comment
  UCSB30313  Chylismia claviformis subsp. aurantiaca Sauls, Mary 1977-2-27 Riverside 5 mi. W. of junction Hwy. 195 and interstate 10; Box Canyon wash 365 Comment
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Nov 16 2015
  CAS-BOT-BC287960  Cirsium occidentale var. californicum John Thomas Howell 1952-10-24 28862 Riverside San Timeteo Canyon Comment
  POM19635  Cirsium occidentale var. californicum Mary F. Spencer 1923-7-20 2210 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  SEINET3102065  Cirsium occidentale var. californicum Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17365 Riverside Along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain. 1420 Comment
  UC489228  Cirsium scariosum var. congdonii C. V. Meyer 1928-7-1 617 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow 1676 Comment
  POM250482  Cistanthe monandra I. W. Clokey 1935-4-18 s.n. Riverside Gavilan Mesa. 600 Comment
  RSA0123670  Cladium californicum Duncan S. Bell, Andrew Chambers 2016-12-21 10218 Riverside The Dos Palmas Preserve area, at the southern end of the Orocopia Mountains, and at the northeastern section of the Salton Sea. -25 Comment
  UCR86013  Cladium californicum A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15878 Riverside Sonoran (Colorado) Desert, Salton Trough: Dos Palmas oasis area, San Andres palm grove, 1.75 km (1.1 mi) WSW of Rancho Dos Palmas, marked 'seep' on Durmid Q. -23 Comment
  RSA769618  Clarkia E. W. Lathrop 1974-6-4 7401 Riverside 3 miles southwest of Corona, Cleveland National Forest, Trabuco District 274 Comment
  CAS-BOT-BC172425  Clarkia bottae C. L. Hitchcock 1928-5-20 57 Riverside Santa Ana Canyon, 8 miles west of Prado 400 Comment
  SDSU8636  Clarkia dudleyana Wende E. Rehlaender 1983-5-5 120 Riverside Reche Canyon, approx 4.4 mi. from NW end of Reche Canyon Rd., 2.5 mi east of Highgrove and 2.5 mi. south of Loma Linda. Plant on a 100ft. hill, 12-15 yards from the road. Comment
  UCR251871  Clarkia dudleyana M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  UCR57208  Clarkia epilobioides Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., S of town of Murrieta, NE of Mesa del Burro. Rocky creek bed below Guava-DeLuz Road, c. 1.5 mi SW of intersection w/ Hayes Avenue Comment
  RSA1560  Clarkia purpurea subsp. quadrivulnera J. T. Howell 1928-7-9 1073 Riverside Head of San Juan Canyon. Elsinore Mountains 793 Comment
  SDSU13908  Clarkia purpurea subsp. quadrivulnera Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2133 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  CLARK-A1045-67  Clarkia similis George K. Helmkamp 1978-5-18 Riverside San Jacinto Mountains along State Highway 243 [vicinity of Mountain Center?]; in chaparral; ; Idyllwild 15'Q 1219 Comment
  RSA526506  Clarkia similis Steve Boyd, T. S. Ross 1990-5-11 4701 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  SDSU13496  Claytonia parviflora subsp. parviflora Shawn Johnston, Calf. Plant Taxonomy Class 2000-4-1 16 Riverside Santa Margarita Ecological Reserve North end. Comment
  RSA689500  Claytonia perfoliata Scott D. White 2001-4-19 8368 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  UCR49233  Claytonia perfoliata subsp. mexicana Steve Boyd 1986-4-2 1613 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA556520  Claytonia perfoliata subsp. perfoliata Julie Greene 1993-4-10 1128 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. 475 Comment
  UCR25765  Claytonia perfoliata subsp. perfoliata John C. Roos 1952-4-13 5533 Riverside N slope, on north side of Box Springs Mtns 396 Comment
  UCR118234  Clematis ligusticifolia Mitch Provance 1999-5-4 1685 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  POM307253  Cleome isomeris Henry J. Ramsey 1937-11-20 2236 Riverside San Gorgonio Pass. Comment
  RSA440806  Cleome isomeris C. Cunningham 1941-2-9 s.n. Riverside 29 Palms Junction. 366 Comment
  UCR107404  Cnicus benedictus B. G. Pitzer 1997-3-23 2976 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR44154  Collinsia concolor A. C. Sanders, B. Pitzer 1986-4-30 6477 Riverside San Jacinto Mtns., lower Bee Canyon, 0.2 mi. above the mouth of the canyon. 610 Comment
  CLARK-A1045-334  Collinsia heterophylla George K. Helmkamp 1978-5-2 Riverside Bautista Canyon Bautista Road; Hemet 15'Q Comment
  SD124711  Condalia globosa var. pubescens Andy C. Sanders, Et al. 1986-3-1 6042 Riverside Chuckawalla Bench, W side of Chuckawalla Mtns, 9 miles S of Hwy I-10 on the gasoline road, 2 mi. airline S of the Model Mine. 579 Comment
  UCR107825  Convolvulus arvensis D. L. Banks 1997-5-5 1953 Riverside NW Palomar Mtns., Agua Tibia Mtns: NW foothills of Dorland Mtns, at intersection of Los Caballos Road and Anza Road, just south of the golf course. 427 Comment
  SD181584  Convolvulus simulans Steve Boyd 2001-4-12 10405 Riverside Santa Ana Mountains-Gavilan Hills Region, Temescal Canyon, terrace escarpment just south of DePalma Road, between Indian Wash and Horsethief Wash. Comment
  RSA588187  Conyza bonariensis D. L. Banks, Victor Steinmann 1995-7-10 0752 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. In major drainage that flows off NW flank of Wildhorse Peak. 610 Comment
  RSA486462  Conyza canadensis Richard Noyes, L. Arnseth 1988-10-30 754 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  RSA561493  Conyza canadensis Steve Boyd, Timothy S. Ross, David E. Bramlet 1992-9-9 7657 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  JOTR29264  Cordylanthus rigidus subsp. setiger La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 1377 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  CAS-BOT-BC101309  Corethrogyne filaginifolia I. W. Clokey; E. G. Anderson 1935-8-21 6963 Riverside East of Keen Camp P.O. 1350 Comment
  POM230197  Corethrogyne filaginifolia I. W. Clokey, E. G. Anderson 1933-8-21 6961 Riverside Keen Camp P. O. [Post Office] Riverside 1350 Comment
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Oct 30 2011
  POM356161  Corethrogyne filaginifolia M. M. Thompson 1947-8-23 c 2051 Riverside Los Alamos Canyon, Elsinore Mtns. 762 Comment
  SBBG45042  Corethrogyne filaginifolia I. W. Clokey with E. G. Anderson 1935-8-21 6962 Riverside N fork of San Jacinto River 1500 Comment
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Dec 14 2011
  UC63361  Corethrogyne filaginifolia E. A. Zumbro 1902-10-1 363 Riverside Riverside Comment
  UCR104036  Cotula australis George K. Helmkamp, E. A. Helmkamp 1997-3-5 1328 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  UCR154548  Crassula aquatica Jason L. Hlebakos 2005-5-18 698 Riverside Santa Rosa Plateau, Pool on E side of Mesa de Burro, above upper end of Miller Canyon 610 Comment
  UCR155151  Crassula aquatica A. C. Sanders, Kelly Volansky 2005-3-17 29200 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  CHSC463  Crassula connata S. Westerberg 1938-4-1 Riverside Lake Elsinore. Comment
  HSC85412  Crassula connata Steve Boyd 1986-4-2 1630 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SD119916  Crocanthemum scoparium var. vulgare Louis B. Ziegler 1971-9-29 430 Riverside Hills west of Murrieta. 409 Comment
  RSA397720  Crossosoma bigelovii P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  LA204990  Croton californicus A. M. Johnson; 1933-4-28 4208 Riverside Indian Wells, 15 mi. below {S] Palm Springs Comment
  RSA341996  Croton californicus R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54120 Riverside San Bernardino Mts: Sandy beach along Whitewater River, E of bridge and levee and below W-facing bluff 412 Comment
  RSA480576  Croton californicus N. C. Cooper 1944-4-21 1142 Riverside Banning 701 Comment
  SBBG67680  Croton californicus M. N. Ackley 1928-3-11 353 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  UC868658  Croton californicus Lewis S. Rose 1938-12-18 38320 Riverside Palm Springs 137 Comment
  RSA577341  Croton californicus var. mohavensis I. W. Clokey 1935-4-16 6726 Riverside East of Mecca. 200 Comment
  UCR155303  Croton setiger A. C. Sanders 2005-5-4 29840 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  RSA554222  Crypsis schoenoides A. C. Sanders, Chet McGaugh 1991-7-19 11153 Riverside Murrieta Hot Springs, large vernal pool on S side of Murrieta Hot Springs Road, E of Via Princesa & N of Calle del Lago., (Near 117 deg 9.1'W, 33 deg 33.25'N). 348 Comment
  CAS-BOT-BC189261  Cryptantha C. Cowan 1978-4-25 1264 Riverside 0.4 mile off Highway 74 on Morris Ranch Road, 4.3 miles N on Highway 74 from its junction with Highway 371, San Bernardino NF, Whittaker transect #W 227 Comment
  GMDRC5507  Cryptantha J. Andre, T. La Doux, R. B. Kelley 2011-5-4 21088 Riverside Little San Bernardino Mountains: Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  UCR234326  Cryptantha A. C. Sanders, John F. Green 2012-4-6 40006 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, side canyon above washout along old (c. 1926) Corona-Elsinore RR route, between I-15 and Temescal Cyn. Rd., c. 10 miles south of Corona 319 Comment
  RSA719046  Cryptantha angustifolia Michael Honer 2005-3-11 2054 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  SEINET10455849  Cryptantha angustifolia David B. Dunn 1946-2-22 Dunn 1959 Riverside Collected in mud flats dry, caked and split. All American Canal catch basin from desert washes. Oracopia Mts. NE of the Saltan Sea. Very arid country. Comment
  JEPS20702  Cryptantha barbigera Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13245 Riverside 11.3 mi n Blythe (U.S. Highway 95); Big Maria Mts. Comment
  UCR30072  Cryptantha barbigera George K. Helmkamp 1983-4-5 483 16 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  JOTR33979  Cryptantha barbigera var. barbigera La Doux, Tasha, M. Harding 2010-4-7 2867 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  POM368291  Cryptantha barbigera var. fergusoniae T. W. Minthorn 1926-5-14 s.n. Riverside Between Banning and Palm Springs. Comment
  UCR237695  Cryptantha barbigera var. fergusoniae Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4702 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 600 Comment
  RSA777447  Cryptantha costata Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 968 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  RSA0078964  Cryptantha cycloptera Theo Glenn 1992-3-31 92 -8 Riverside Colorado Desert. North side Of Eagle Mountains, Storm Jade Mine. Comment
  GMDRC2328  Cryptantha decipiens J. Andre, T. La Doux 2006-4-11 8140 Riverside Little San Bernardino Mountains: Joshua Tree National Park: along paved road through Wilson Canyon at Fried Liver Wash. Elev. 2814 ft. 858 Comment
  RSA0120136  Cryptantha decipiens Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9081 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
  UCR41535  Cryptantha decipiens A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6049 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  UCR102050  Cryptantha decipiens var. decipiens B. G. Pitzer 1997-4-20 3174 Riverside Lakeview Mtns, top of the hill on Dutton Street, just east of Horseshoe Trail, at a point c. 0.4 mi. north of Stagecoach Road. 640 Comment
  UCR41531  Cryptantha dumetorum A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6010 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  UC1186497  Cryptantha holoptera Peter M. Ray 1949-3-12 1391 Riverside e of Mecca; Orocopia Mountains, Painted Canyon Comment
  POM3840  Cryptantha intermedia C. F. Baker 1903-4-5 4138 Riverside Hemet Comment
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Jul 6 2010
  POM71279  Cryptantha intermedia Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA487555  Cryptantha intermedia Bill Wagner 1988-3-2 1850 Riverside Glenoaks Road about 2.5 mi S if Lake Skinner and ca. 8 mi NE of Temecula. 564 Comment
  RSA495466  Cryptantha intermedia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2997 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA499593  Cryptantha intermedia H. de Forest, Jack Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 640 Comment
  SDSU12860  Cryptantha intermedia Janet M. Knotts, Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998L Riverside Road to southwest of SDSU Santa Margarita Fiedl Station, ca. 800 feet southwest on road to switchback, east side of road. 293 Comment
  UC164378  Cryptantha intermedia H. M. Hall 1901-6-1 2180 Riverside Thomas Valley San Jacinto Mountains 1371 Comment
  UCR20847  Cryptantha intermedia O. F. Clarke 1980-4-26 s.n. Riverside Menifee Valley Area, south of Sun City a few miles. 1.5 miles west from the intersection of Holland and Haun Roads, 2 miles SW of the intersection of Newport Rd and Hwy 395 473 Comment
  RSA0062497  Cryptantha intermedia var. intermedia J. M. Andre 2012-6-15 30492 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  RSA0075625  Cryptantha intermedia var. johnstonii Michael Honer, L. Hulse 2005-3-7 2034 Riverside Little San Bernardino Mountains region: Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 488 Comment
  SDSU21778  Cryptantha juniperensis A. C. Sanders 2012-4-6 40006 Riverside Peninsular Range; Santa Ana Mtns. Area: Remescal Canyon, side canyon above washout along old (c. 1926) Corona-Elsinor RR route between I-5 and Temescal Cyn. Rd., c 10 miles south of Corona 319 Comment
  POM73209  Cryptantha maritima Marcus E. Jones 1906-4-27 s.n Riverside Indio. Comment
  RSA701218  Cryptantha maritima Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11274 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
  RSA703365  Cryptantha maritima var. pilosa LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1447 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  CLARK-A1656-730  Cryptantha micrantha Theo Glenn 1981-4-24 Riverside San Jacinto Mountains Comment
  RSA463700  Cryptantha micrantha var. lepida Harold Lint 1958-5-25 2037 Riverside East of Pinyon flats campground. Pines to Palms Hwy [Hwy 74]. Comment
  RSA526079  Cryptantha microstachys Steve Boyd, Timothy S. Ross 1990-5-11 4653 A Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA717464  Cryptantha microstachys Scott D. White 2006-4-28 11318 Riverside Wildomar., east of the I-15 Freeway and north of Baxter Rd. South- and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills. 427 Comment
  UC1595636  Cryptantha microstachys Steve Boyd 1991-5-10 6213 Riverside just n mouth of Hagador Canyon (Santa Ana Mountains, base of range) 426 Comment
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Jun 8 2012
  UCR153364  Cryptantha microstachys LeRoy Gross, Valerie Soza 2003-5-8 828 Riverside Peninsular Ranges; San Jacinto Mountains region, North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  SBBG118556  Cryptantha muricata L. Gross with V. Soza 2003-5-8 832 Riverside N end of Rouse Ridge, S of the San Jacinto River, N of Rouse Hill Rd; T5S R2E S19, Center 777 Comment
  UCR193359  Cryptantha nemaclada A. C. Sanders, Tim Thomas 2008-6-20 35550 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA0124818  Cryptantha nevadensis var. nevadensis Duncan S. Bell, LeRoy Gross 2016-3-9 8837 Riverside Orocopia Mountains; southern section of range; along the Bradshaw Trail, approximately 2 air miles southeast of Gucci Spring. 345 Comment
  RSA0123086  Cryptantha pterocarya var. cycloptera Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8969 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA499793  Cryptantha racemosa W. Hutchinson 1925-04 s.n. Riverside Palm Canyon Comment
  RSA699862  Cryptantha utahensis J. R. Bruff 1928-4-2 s.n. Riverside Canyon wash 1 mile west of Morengo. Comment
  RSA771788  Cryptantha utahensis Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4765 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65120 604 Comment
  RSA79623  Cryptantha utahensis F. W. Peirson 1919-4-13 1025 Riverside Murray Canyon, Palm Springs region. Comment
  UC28915  Cucurbita palmata H. M. Hall 1901-8-6 2654 Riverside vicinity of Riverside 457 Comment
  POM70787  Cuscuta californica Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA674613  Cuscuta californica Scott D. White 2000-8-5 8106 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  UCR92718  Cuscuta pentagona A. C. Sanders, S. Ogg 1994-7-28 15174 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  RSA0100137  Cuscuta subinclusa Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8555 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  SBBG65465  Cycloloma atriplicifolium R. Hoffmann 1929-9-4 Riverside Wineville [Mira Loma] Comment
  RSA0083603  Cylindropuntia chuckwallensis Marc Baker, Michelle Cloud-Hughes 2012-4-9 17536 Riverside North side of Chuckwalla Mountains, 1.7 km NNE of Chuckwalla Spring, 57 km west of Blythe. 500 Comment
  SEINET5624466 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-3-25 17525 .6 Riverside Northeast end of Chuckwalla Mountains, 11km SSE of Desert Center, 70km west of Blythe, two-track branching south from Com Spring Road, 1.1 km W of Corn Spring Campground, 400 south of Com Springs Wash 525 Comment
  RSA0083637  Cylindropuntia ganderi Lyman Benson 1962-2-17 16141 Riverside 4 miles northeast of Aguanga. 915 Comment
  JOTR32384  Cynodon dactylon La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2491 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
  UCSB45585  Cyperus erythrorhizos Roos, John 1951-9-25 Riverside Fairmount Park, Riverside 259 Comment
  RSA736764  Cyperus odoratus Scott D. White, Lynn Stafford 2007-7-5 11756 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  RSA802141  Cystopteris fragilis Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5008 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  JOTR35379  Dalea mollissima Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 168 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  SEINET10452146  Dalea mollissima David B. Dunn 1946-3-16 Dunn 2062 Riverside Collected on dry plateau 1/2 mi ne of pushawalla palms. Indio hills. Sparse Desrt scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  UCR194227  Datisca glomerata Scott D. White, Angelia Carey 2004-6-4 10477 B Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  RSA709692  Datura discolor M. B. Dunkle 1935-4-17 4562 Riverside W. of Wiley Well. Colorado Desert. Comment
  UCR30448  Datura stramonium John C. Roos 1965-10-6 s.n. Riverside Santa Ana River at Pedley 201 Comment
  UCR91488  Daucus pusillus Scott D. White, Marty Jacobsmeyer 1996-4-20 3960 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  RSA674653  Deinandra mohavensis Scott D. White 2000-8-22 8123 Riverside Gibbel Flat in the Santa Rosa Hills. 610 Comment
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Dec 16 2012
  RSA736380  Deinandra paniculata Scott D. White, Justin M. Wood 2008-5-1 11921 Riverside Perris Basin: I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  CLARK-A1528-782  Delphinium parishii Grace Sprague 1968-5-3 Riverside San Jacinto Mountains Comment
  SD214619  Delphinium parishii subsp. parishii Edith A. Purer 1935-4-21 6469 Riverside Hillside, near Palm Springs, east side of San Jacinto Mountain Comment
  UC1537320  Delphinium parryi Gordon H. True Jr. 1935-3-18 126 Riverside Box Springs 365 Comment
  UCSB12149  Delphinium parryi Suter, Richard 1961-5-7 Riverside Idylwild - Banning road in the San Jacinto Mountains; 6.9 miles south of its turnoff from U.S. Highway 60,70,99 at Banning 1280 Comment
  RSA688853  Dendromecon rigida Scott D. White, Michael Honer 2003-5-13 9255 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon washWhitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  SBBG47465  Dendromecon rigida N. C. Cooper 1944-6-17 1414 Riverside above Banning 1219 Comment
  UC1126348  Dendromecon rigida R. St. John 1931-3-25 198 Riverside e Sierra Peak; Corona Quadrangle; SBM 762 Comment
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Nov 27 2011
  UCR176929  Dendromecon rigida Tracy Tennant, J. S. Ross 1998-4-30 MOR- 70 Riverside San Bernardino Mtns., Morongo Indian Reservation, hills west of the mouth of Potrero Canyon, 0.2 mi. NE of hill 3030 854 Comment
  UCR92239  Dendromecon rigida D. L. Banks, Steve Boyd 1995-5-3 0197 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  UCSB7040  Dendromecon rigida Gill, Robert 1959-3-14 Riverside Road to Black Star Canyon and Oak Flat, from Corona side, Santa Ana Mtn. Range 701 Comment
  RSA433555  Dendromecon rigida subsp. rigida H. de Forest, Jack Rempel 1933-6-25 18018 Riverside San Jacinto Mtns; northern slope 1128 Comment
  SD237265  Deschampsia danthonioides D. E. Bramlet 1991-5-7 2120 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave & Marvin Hull Road, c. 50-150 m north of the AR&SF railroad tracks & 300 m west of MWD canal. Comment
  CAS-BOT-BC43096  Descurainia nelsonii Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9538 Riverside 2 miles from Cottonwood Springs, Cottonwood Mountains. Comment
  SBBG2468  Descurainia pinnata H. and M. Dearing 1942-3-1 4804 Riverside Cathedral City Comment
  RSA557759  Descurainia pinnata subsp. glabra R. F. Thorne, M. Z. Thorne 1973-3-30 42690 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  UCR237495  Descurainia pinnata subsp. glabra Duncan S. Bell 2011-4-10 2243 Riverside Mojave Desert, northwest side of the Arica Mountains, northwestern section of project area, c. 3.5 air mi south of Hwy 62 299 Comment
  POM6595  Descurainia pinnata subsp. menziesii P. A. Munz, L. T. Street, Williams 1919-3-25 2305 Riverside Palm Canyon. 229 Comment
  UCR262453  Dianthus armeria O. F. Clarke 2007-7-26 s.n. Riverside San Jacinto Mtns., Lake Fulmor 1628 Comment
  JEPS9739  Dicentra chrysantha Marjorie D. Clary 1932-7-4 1214 Riverside Aguanga Valley 609 Comment
  UC56943  Dicentra chrysantha H. M. Hall 1901-8-6 2630 Riverside Chalk Hill; San Jacinto Mountains 1432 Comment
  UC708739  Dichelostemma capitatum H. K. Wagnon 1944-3-19 375 Riverside s side Tahquitz Creek (in Tahquitz Canyon); Palm Springs, Tahquitz Canyon Comment
  UCR127555  Dichelostemma capitatum A. C. Sanders, T. B. Salvato 2003-5-21 26797 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR174085  Dichelostemma capitatum A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32545 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 564 Comment
  CAS-BOT-BC292200  Dicoria canescens W. R. Dudley 1903-12-1 s.n. Riverside Near Palm Springs Comment
  UCSB7955  Dicoria canescens Dearing, Hugh; Dearing, Margaret 1939-11-12 Riverside W. Colorado Desert Comment
  HSC79576  Digitaria ischaemum Paul Bailey 1972-5-14 131 Riverside 5 miles SE of Temecula, Hwy. S 16, Pechanga Canyon. Comment
  POM47470  Digitaria sanguinalis Mary F. Spencer 1919-7-6 1265 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mountains. 2378 Comment
  RSA735857  Dimorphotheca sinuata Scott D. White, Justin M. Wood 2008-4-16 11881 Riverside Perris/Elsinore Basin: Hills to the W of I-215 and S of Scott Rd. 488 Comment
  SEINET8345725  Diplacus bigelovii Unknown 1938-5-15 9546 Riverside Cottonwood Springs Canyon. Comment
  CAS-BOT-BC152265  Diplacus clevelandii P. C. Everett 1945-6-7 11506 Riverside Indian Canyon, Santa Ana Mts., along Indian Canyon Truck Trail 960 Comment
  CAS-BOT-BC153100  Diplacus fremontii B. Ertter; J. Strachan 1979-6-26 2989 Riverside Banning-Idyllwild Road (Hwy 243) at Black Mtn turnoff (Forest Rd 4Sol), San Jacinto Mts. Comment
  RSA0019417  Diplacus fremontii LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6173 Riverside Logan Creek, north of the community of Pine Cove, and just west of road (5S09). 1799 Comment
  RSA0019421  Diplacus fremontii N. C. Cooper 1944-6-17 1417 Riverside San Jacinto Mtns. above Banning. 1220 Comment
  RSA740769  Dipsacus fullonum Scott D. White, Justin M. Wood 2008-6-18 12207 -B Riverside San Jacinto Mountains: Hiking trail from K flat to Apple Canyon Rd. 1341 Comment
  UCR182540  Distichlis spicata Mitch Provance 2003-7-4 4641 Riverside San Bernardino Valley, Riverside, Monticello Ave. near the canal, between Driftwood and Conway Drives 226 Comment
  RSA776354  Ditaxis claryana Duncan S. Bell, Amanda Turek 2010-4-10 800 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  GMDRC3107  Ditaxis lanceolata J. Andre, T. La Doux 2008-9-13 10270 Riverside Eagle Mountains: at Joshua Tree Natl. Park boundary, lower slopes of south end of Eagle Mtns, along aqueduct access road 33 deg. 44.231' N 115 deg. 29.059' W. Elev. 1164 ft. 355 Comment
  POM117761  Ditaxis lanceolata Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  UCR5290  Ditaxis lanceolata O. F. Clarke 1966-10-5 661005- 06 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  CAS-BOT-BC43631  Dithyrea californica Geo. B. Grant 1906-4-8 with 6769 Riverside Palm Springs. Comment
  UC68544  Dithyrea californica H. M. Hall Apr 1905 5950 Riverside McCoy Wash Colorado Desert 91 Comment
  RSA781240  Dittrichia graveolens Lee Jones 2010-11-19 s.n. Riverside Beaumont, San Timoteo Canyon Rd. at entrance to golf course maintenance bldg., c. 1.8 mi. west of intersection with I-10 701 Comment
  RSA615142  Dodecatheon clevelandii A. C. Sanders, O. F. Clarke, H. Forster 1997-3-2 19762 Riverside Box Springs Mountains E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  UC64315  Downingia cuspidata Miss Etta McEuen 1897-4-19 484 Riverside Menifee Comment
  UC50305  Draba cuneifolia H. M. Hall Apr. 1903 3804 Riverside vicinity Riverside; vicinity of Riverside 609 Comment
  POM9754  Draba saxosa E. C. Jaeger 1921-6-20 s.n. Riverside San Jacinto Mts. 1 mile below Round Valley. 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
  UCR25369  Dryopteris arguta John C. Roos 1952-4-13 5519 Riverside Peninsular Range, Box Springs Mountains 520 Comment
  UCR101843  Dudleya B. G. Pitzer 1997-4-1 3043 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  UC1015383  Dudleya alainae Reid Moran 1947-5-10 2182 Riverside 1.5 mi from Hwy (Santa Rosa Rd) 1676 Comment
  SBBG119390  Dudleya lanceolata A. C. Sanders, T. B. Salvato 2003-5-21 26788 Riverside Wildomar, old ranch parcel SE of Wesley St and SW of Laguna Rd, W of Orange St, NE of Palomar St 402 Comment
  SD212578  Dudleya lanceolata A. C. Sanders, T. B. Salvato and Kelly Volansky 2006-5-28 32628 Riverside Hills between Murrieta and Menifee Valley, west of I-215 south of Bundy Canyon/Scott road and north of Clinton Keith Rd. 579 Comment
  JEPS49889  Dudleya saxosa subsp. aloides W. L. Jepson 1914-5-18 6011 Riverside n Indio (Lookout Mtn near Pinon Well); Colorado Desert Comment
  UCR241259  Echinocereus engelmannii var. engelmannii Jeffrey Ross 1998-4-21 s.n. Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, below mouth of Lion Canyon along the road toward the canyon from Deep Creek Rd. 569 Comment
  UCR222302  Elatine californica R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55207 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  UCD110451  Elatine chilensis Robert F. Thorne; E. Lathrop, et al 1969-5-19 37968 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 624 Comment
  RSA788870  Eleocharis G. D. Wallace 2003-7-8 4032 Riverside Hidden Lake. Comment
  SBBG119998  Eleocharis macrostachya A. C. Sanders, K. Volansky 2005-3-17 29234 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
  UCR122541  Eleocharis macrostachya George K. Helmkamp, E. A. Helmkamp 2001-5-20 6670 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  CDA38957  Eleocharis montevidensis F. J. Willmarth 1958-2-28 s.n. Riverside Riverside. 0 Comment
  CLARK-A1045-61  Eleocharis parishii George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains head of De Luz Creek; Wildomar 7.5' Q Comment
  UCR169395  Eleocharis parishii T. B. Salvato, John F. Green 2004-5-27 605 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  RSA179522  Eleocharis radicans E. W. Lathrop 1960-6-14 5010 Riverside 14 miles west of Murrieta. Comment
  RSA588836  Elymus X gouldii D. L. Banks, Steve Boyd 1995-10-17 779 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground., Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  POM229451  Elymus elymoides P. A. Munz 1937-5-30 15083 Riverside Northwest slope of Santa Rosa Mountain. 2134 Comment
  CAS-BOT-BC174022  Elymus glaucus A. C. Sanders; Mitch Provance 2008-7-11 35791 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  SD136826  Emmenanthe penduliflora Steve Boyd, Tim Ross 1992-5-15 7398 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area., vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 669 Comment
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Sep 16 2010
  UC700958  Emmenanthe penduliflora Aven and Ruth Nelson 1939-3-29 3321 Riverside Hidden Springs Comment
  UCR133664  Emmenanthe penduliflora Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR215609  Emmenanthe penduliflora Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 12 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  UCR35122  Emmenanthe penduliflora L. B. Ziegler 1967-5-18 129 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  JOTR32036  Emmenanthe penduliflora var. penduliflora La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2266 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; near Squaw Tank; sandy flats among large granitic boulders and foothills (Stop 2) 1063 Comment
  JOTR34010  Emmenanthe penduliflora var. penduliflora La Doux, Tasha, M. Harding 2010-4-7 2898 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  CAS-BOT-BC131167  Encelia actoni J. Cole 1942-5-19 969 Riverside White Tanks, Joshua Tree National Monument 1280 Comment
  JOTR16581  Encelia actoni Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  UCSB38732  Encelia actoni Cowan, Clark 1978-4-23 Riverside 12.1 mi. (19.2 km.) S on Hwy. 74 from jct. with Hwy 111 at Indian Wells 950 Comment
  CAS-BOT-BC131341  Encelia farinosa C. L. Hitchcock; C. V. Muhlick 1964-3-17 23077 Riverside 8 miles s.e. of Corona, along road to Elsinore Comment
  CDA4567  Encelia farinosa T. C. Fuller 1962-4-3 7984 Riverside South of Highway 99 to Palm Springs, 4.7 miles east of Cabazon, head of the Coachella Valley. 0 Comment
  JEPS23538  Encelia farinosa Peter H. Raven 1958-2-15 11587 Riverside along United States Highway 60 (8.7 mi e of road to Wiley Wells) Comment
  JOTR31866  Encelia farinosa La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2120 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  UC1118073  Encelia farinosa H. S. Yates 1936-6-6 5409 Riverside San Jacinto Quad., Palm Springs 137 Comment
  UCR200326  Encelia farinosa Steve Boyd 2007-4-20 11724 Riverside Peninsular Ranges: Perris-Aguanga Basin, southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of 'Walsh Canyon,' c. 0.5 mi from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia adzedarach and across from driveway leading to 26875 Walsh Road 549 Comment
  RSA515197  Encelia farinosa var. farinosa Steve Boyd 1986-3-13 1466 Riverside West side Palen Mts.: NE of Desert Center. Comment
  POM289822  Encelia frutescens Lyman Benson 1933-3-31 4191 Riverside Salton Sea-Imperial Co. line. 61 Comment
  SDSU3822  Encelia virginensis Gerald Collier 1951-5-27 M 550 Riverside About 25 ft. from roadside state Hwy 74. About 4 miles east of Pinon Flats. San Jacinto Mtns. Comment
  SBBG121958  Ephedra aspera L. Gross 2005-2-17 14134 b Riverside cyn SW of Corn Springs Cmpgrd 548 Comment
  LA6767  Ephedra californica S. Atsatt; 1926-4-17 sn Riverside Palm Springs Comment
  POM14278  Ephedra californica Philip A. Munz, I. M. Johnston 1922-5-7 5286 Riverside Between Whitewater & Mission Creeks. Dry rocky mesa. 366 Comment
  RSA772007  Ephedra californica Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4966 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SBBG22847  Ephedra californica D. Myrick 1965-3-4 1077 Riverside Palms to Pines Hwy (St Hwy 74) 914 Comment
  JOTR31179  Ephedra nevadensis La Doux, Tasha, G. Clifton 2009-5-14 1976 Riverside Joshua Tree National Park. (Stop 1)Little San Bernardino Mountains, Upper Covington Flats, west of trail head 1474 Comment
  RSA796328  Ephedra trifurca Duncan S. Bell 2009-4-19 280 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCD84926  Ephedra trifurca Chuck Hughes 2010-3-21 198 b Riverside About 2.3 miles south of Highway 62, next to railroad tracks. 225 Comment
  SEINET3220674 Image available Ephedra viridis P. Leary 1975-4-12 1049 Riverside 3/4 mile N of Sheep Pass, Joshua Tree National Monument. 1402 Comment
  CSUSB1325  Epilobium adenocaulon var. adenocaulon Ed Francisco 1972-6-26 Riverside San Jacinto Mountains At Dark Canyon in the San Jacinto Mountains. Comment
  UCR23520  Epilobium campestre John C. Roos 1952-6-18 5779 Riverside Moreno Valley, Edgemont [now part of city of Moreno Valley] 457 Comment
  UCR274530  Epilobium canum Mitch Provance, Ken Halama 2003-6-15 17058 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  SD70929  Epilobium canum subsp. canum Helen V. Witham 1969-7-2 187 Riverside Occasional, De Luz Creek crossing, 4 miles North of De Luz 249 Comment
  CAS-BOT-BC171751  Epilobium canum subsp. latifolium Philip A. Munz 1946-10-19 11563 Riverside Coachella [Coahuila] 1097 Comment
  RSA588530  Epilobium canum subsp. latifolium J. S. Stubblefield 1932-10-10 s.n. Riverside Near Colorado River. Comment
  UC218230  Epilobium canum subsp. latifolium P. A. Munz 1922-9-5 6363 Riverside trail from Fern Valley to Tahquitz; San Jacinto Mts. 2164 Comment
  SD146207  Epilobium pygmaeum A. C. Sanders, T. B. Salvato 2000-5-25 23418 Riverside Menifee Valley: S. of Newport Road, N. of Holland Road & E. of Bradley Road , 2 miles due E. of Railroad Canyon Lake. (Romoland 7.5' Q) Coastal sage & sparse Chaparral, much of the parcel (flatter areas) cleared a year ago. Uncommon annual in dried pools. 438 Comment
  GMDRC2527  Eragrostis cilianensis T. La Doux, J. Andre 2007-9-6 130 Riverside Little San Bernardino Mountains: Little San Bernardino Mountains: on dirt road to Lost Horse Ranger Sta, below Hemmingway Buttress, Joshua Tree Natl. Park.. Elev. 4058 ft. 1237 Comment
  UCR2383  Eragrostis cilianensis F. M. Reed 1927-10-25 5520 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 290 Comment
  UCD63460  Eragrostis mexicana F. M. Reed 1907-11-24 2000 Riverside Riverside and vicinity. Santa Ana River bottom near Chinese Gardens. Comment
  CAS-BOT-BC213600  Eragrostis mexicana subsp. mexicana G. Helmkamp 1997-11-1 2518 Riverside Bermuda Dunes, 41st St. & Sparky, just E of Washington and S of I-10 30 Comment
  RSA0108820  Eremalche rotundifolia Duncan S. Bell, Amanda Turek 2009-3-30 183 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  RSA432719  Eremalche rotundifolia E. C. Jaeger 1922-4-2 s.n. Riverside Box Canon near Mecca. Comment
  SEINET8364404  Eremogone macradenia D. W. McNeal 1981-5-19 2543 Riverside beside the Ryan Mtn. trail ca. 0.3 mi. s. of the trail head parking lot; Joshua Tree National Monument. Comment
  JOTR34037  Eremothera refracta La Doux, Tasha, M. Harding 2010-4-7 2920 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  SEINET7072836  Eriastrum densifolium A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. Coordinate datum: WGS84/NAD83. (33? deg. 32' 25" North Latitude, -116? deg. 45' 8" West Longitude, Coordinate datum: NAD27.). Comment
  UC909037  Eriastrum densifolium subsp. austromontanum John Thomas Howell 1927-8-2 2908 Riverside between Banning and Strawberry Valley; Mt. San Jacinto Comment
  JEPS24948  Eriastrum diffusum P. A. Munz and I. M. Johnston 1922-5-6 5169 Riverside Dry Morongo Wash Little San Bernardino Mountains Comment
  RSA0042917  Eriastrum eremicum Duncan S. Bell, Evan Meyer 2014-4-2 6498 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR3477  Eriastrum eremicum Sally Bell 1964-4-18 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, on Indian Ave. about 3 mi. from the junction with the 29 Palms Hwy, on east side of road along shoulder 396 Comment
  SD48054  Eriastrum eremicum subsp. eremicum John Ingram 1955-4-18 214 Riverside Along U. S. Highway 99, 0.25 mile west of the junction with the road to Twenty-nine Palms. Comment
  RSA0120081  Eriastrum eremicum subsp. eremicum R. F. Thorne, W. A. Tilforth 1980-5-28 54176 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  RSA0120094  Eriastrum eremicum subsp. eremicum Ernest Braunton 1940-3-4 2027 Riverside 5 mi. East of Shaver's Well. Comment
  JEPS69111  Eriastrum sapphirinum W. L. Jepson 1914-5-25 6072 Riverside San Gorgonio Pass 548 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-BC515008  Eriastrum sapphirinum subsp. dasyanthum E. H. Daniels; J. Bates 1932-6-6 s.n. Riverside Alberhill, Temesal Canyon, between Corona and Elsinore 350 Comment
  RSA0121571  Eriastrum sapphirinum subsp. dasyanthum N. C. Cooper 1944-5-20 1297 Riverside Banning. 701 Comment
  SD229089  Ericameria cuneata Dick Schwenkmeyer 2012-4-18 708 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
  JEPS31370  Ericameria linearifolia W. L. Jepson 1901-5-22 1342 Riverside Palm Canon Comment
  JOTR31004  Ericameria linearifolia La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1287 Riverside Joshua Tree National Park. Stop 4: Hexie Mountains, Blue Cut Gorge, canyon with sandy bottom and steep rocky walls Comment
  CAS-BOT-BC298122  Ericameria nauseosa var. oreophila Philip A. Munz 1946-10-19 11572 Riverside Canyon at junction of Highway 74 and road to Old Santa Rosa Indian Village 1219 Comment
  RSA0086777  Ericameria pinifolia R. G. Swinney 1967-5-26 11732 Riverside Snow Creek. 335 Comment
  UCR138600  Ericameria pinifolia D. L. Banks 1996-11-7 1210 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, 1.6 km east of the roads crossing with Pechanga Creek on the N fork of the creek, at the E end of the Reservation 415 Comment
  UC31492 Image available Erigeron breweri var. jacinteus H. M. Hall June, 1901 2322 Riverside near Tahquitz; San Jacinto Mountains; near Tauquitz, San Jacinto Mts. 2690 Comment
  UC86755  Erigeron breweri var. jacinteus H. M. Hall 1901-6 2322 Riverside ridges and peaks near Tauquintz; San Jacinto Mountains 2690 Comment
Read comments
Nov 25 2011
  POM97995  Erigeron divergens E. C. Jaeger 1926-4-15 s.n. Riverside Desert Queen Mine 1220 Comment
  CAS-BOT-BC296245  Erigeron foliosus var. foliosus H. M. Hall 1901-6-1 2147 Riverside Eastern base San Jacinto Mountains, along the borders of the Colorado Desert Comment
  CLARK-A1528-61  Eriochloa acuminata John C. Roos 1951-9-25 5294 Riverside Riverside 259 Comment
  UCR59698  Eriochloa acuminata George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, Colorado River Valley; hayfield on W side of state Hwy 78, 0.7 mi north of Palo Verde 71 Comment
  CLARK-A1528-1026  Eriodictyon crassifolium John C. Roos 1941-5-10 131 Riverside Hemet 670 Comment
  POM8683  Eriodictyon crassifolium P. A. Munz, R. D. Harwood 1920-2-28 3262 Riverside 2 mi. southeast of Corona, 305 Comment
  RSA455013  Eriodictyon crassifolium N. R. Zabriskie, W. M. Zabriskie 1970-3-27 269 Riverside below Andreas Canyon Club clubhouse; Andreas Canyon. 305 Comment
  UCR103921  Eriodictyon crassifolium B. G. Pitzer 1997-4-12 3128 Riverside Lakeview Mtns, Pulsar View Road, c. 3/4-1 mi. by road uphill from the base of the hills at the end of Warren Road (very short dirt road); c. 1 mi. airline NE of Juniper Flats Road. Approx. 0.9 mi. airline SW of Mt. Rudolph (measured from BM 'Nelson'). 610 Comment
  RSA0038305  Eriodictyon crassifolium Louis B. Ziegler 1969-7-1 s.n. Riverside Near Morris Ranch. Hemet Valley, San Jacinto Mts. Comment
  CAS-BOT-BC189132  Eriodictyon crassifolium var. crassifolium Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  UCR898  Eriodictyon crassifolium var. crassifolium John Milbauer 1976-5-1 s.n. Riverside San Jacinto Mtns., 4 mi. SE of Banning on Hwy 243 915 Comment
  CLARK-A1528-2971  Eriodictyon trichocalyx John C. Roos 1948-5-1 3814 Riverside Whitewater 609 Comment
  RSA455110  Eriodictyon trichocalyx Larry E. DeBuhr 1977-5-6 2588 Riverside Whitewater Canyon, ca. 4.5 miles N from I-10. Comment
  SEINET10445992 Image available Eriodictyon trichocalyx Marc A. Baker, Danny Cuellar, Emily Mastrelli, Cecile Shohet and Stephan Myers 2015-4-10 18309 Riverside south side of the San Gorgonio River, 2km north of Banning, south base of the San Bernardino Mountains, 52km east of Riverside 788 Comment
  CAS-BOT-BC248628  Eriogonum apiculatum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  CAS-BOT-BC248643  Eriogonum apiculatum H. M. Hall 1897-7-1 849 Riverside San Jacinto Mountains 1828 Comment
  IRVC28536  Eriogonum apiculatum G. R. Ballmer 1991-7-11 s.n. Riverside Santa Rosa Mtn Road (Truck Trail going up Santa Roas Mtn.), 12 mi SE of the junction with Hwy 74. W of Deep Canyon. Santa Rosa Mtns. Comment
  SD22475  Eriogonum apiculatum Susan G. Stokes 1933-7-1 Riverside Idyllwild to summit 1676 Comment
  UCR35091  Eriogonum apiculatum L. B. Ziegler 1967-8-29 225 Riverside San Jacinto Mtns., upper Strawberry Valley (under Lily Rock) 1982 Comment
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May 25 2008
  CAS-BOT-BC242802  Eriogonum davidsonii Susan G. Stokes 1933-7-1 106 Riverside Near Idyllwild, San Jacinto Mts. Comment
  GMDRC3111  Eriogonum davidsonii J. Andre, T. La Doux 2008-9-13 10278 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Upper Wilson Canyon on E. side of paved Hwy.. Elev. 3252 ft. 991 Comment
  SD229216  Eriogonum davidsonii Dick Schwenkmeyer 2012-10-16 925 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  UC218108  Eriogonum davidsonii P. A. Munz 1922-6-25 5822 Riverside bet. Hemet Valley and Vandeventer; San Jacinto Mts. 1432 Comment
  UCR94611  Eriogonum davidsonii G. R. Ballmer, Kay Stockwell 1995-6-24 s.n. Riverside San Jacinto Mountains, along trail from Morris Ranch Rd. to Pacific Crest Trail, near Pyramid Peak 1982 Comment
  RSA653733  Eriogonum deflexum Scott D. White 2000-3-27 7641 Riverside Coachella Valley, Indio Hills area: Bajada at south side of hills, in Granite Rock Aggregate Quarry operation area. Disturbed soils near powerline tower on S margin of quarry. 46 Comment
  UCR101592  Eriogonum deflexum 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
  CAS-BOT-BC256120  Eriogonum deflexum var. deflexum W. L. Jepson 1912-10-22 5235 Riverside Near Riverside Mts., along the Colrado River, Needles to Yuma 137 Comment
  SDSU13544  Eriogonum elongatum var. elongatum W. Miller with C. Mosse 1972-8-9 Riverside Comment
  SDSU6569  Eriogonum fasciculatum T. B. Bruhns 1966-6-30 276 Riverside Along road, S side of Lake Mathews. 2N-40 Comment
  SEINET6418387  Eriogonum fasciculatum Ken Zysk 1971-4-27 P 140 Riverside Chaffey College 457 Comment
  JOTR32469  Eriogonum fasciculatum var. flavoviride Herskovits, Tasya, M. Harding 2011-5-20 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ryan Mountain; Rocky slopes bordering Ryan Mountain Trail (Stop 1) 1428 Comment
  RSA0117852  Eriogonum fasciculatum var. polifolium Sarah J. 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 of Dead Indian Creek. Southwest of Palm Desert and north of Highway 74 and Alpine Village. 1230 Comment
  RSA33572  Eriogonum fasciculatum var. polifolium N. C. Cooper 1944-5-6 1200 Riverside Whitewater Canyon. 457 Comment
  RSA451017  Eriogonum fasciculatum var. polifolium Stephen M. Beckstrom-Sternberg 1985-5-7 1006 Riverside U.C.R. [University of California, Riverside] Botanical Garden Comment
  UCR274187  Eriogonum gracile T. B. Salvato, Gregg Miller 2005-6-7 1441 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  JEPS56917  Eriogonum gracile var. gracile Carl V. Meyer 1928-7-30 576 Riverside Saunder's Meadow San Jacinto Mt., Saunder's Meadow Comment
  RSA393250  Eriogonum gracile var. gracile Kessler 1921-09 s.n. Riverside Mt. San Jacinto. Comment
  UCR106914  Eriogonum gracile var. gracile D. L. Banks, Lauren Raz 1996-11-5 1181 Riverside NW Palomar Mtns., Agua Tibia Mountains, Pechanga Indian Reservation, SE of San Gabriel Church; along main road in the reservation, c. 0.2 mi. east of the church, across from the local cemetery. 378 Comment
  UCR20400  Eriogonum gracile var. gracile John C. Roos 1952-8-27 5888 Riverside Peninsular Range, Riverside; Pigeon Pass, Box Springs Mtns. 457 Comment
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Apr 16 2011
  CAS-BOT-BC257585  Eriogonum inflatum E. A. McGregor 1917-3-18 728 Riverside Colorado Desert. 4 mi up Painted Canon [Canyon] Comment
  RSA795943  Eriogonum inflatum Duncan S. Bell 2009-4-19 277 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  JOTR16816  Eriogonum nidularium Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. LOST HORSE AREA VICINITY RANGER STATION 1310 Comment
  CAS-BOT-BC269787  Eriogonum nudum var. pauciflorum James L. Reveal; Caroline G. Reveal 1972-8-9 2869 Riverside San Jacinto Mountains, along California Highway 243, about 0.1 mile northwest of the Vista Grande Ranger Station at the turnoff to Indian Creek Comment
  JOTR33716  Eriogonum plumatella La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1003 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains in Cottonwood Canyon; large active wash in rocky canyon along roadside east of Rte. 11 839 Comment
  RSA424847  Eriogonum pusillum Emery M. Whilton 1937-3-22 s.n. Riverside Taken in the Chocolate Mountains, east slope, Coachella Valley. Comment
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Dec 18 2011
  RSA735326  Eriogonum reniforme Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11294 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
  SBBG65556  Eriogonum saxatile L. Rowntree 1929-5-10 Riverside Morongo Pass Comment
  POM250548  Eriogonum thomasii I. W. Clokey 1935-4-17 s.n. Riverside Cottonwood Springs. Comment
  RSA171059  Eriogonum thomasii Robert F. Thorne 1963-3-29 32397 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  RSA424958  Eriogonum thomasii Robert Gustafson 1980-4-3 1524 Riverside Orocopia Mountains, about 6 miles east of Mecca along Box Canyon Road, south of the road 305 Comment
  RSA639634  Eriogonum thomasii Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55362 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  UC1287160  Eriogonum thomasii C. L. Hitchcock 1966-3-20 24312 Riverside hills just n Milpitas Wash (Ogilby-Blythe Rd.) Comment
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Mar 2 2013
  UCR20834  Eriogonum thomasii A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1322 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UCSB1538  Eriogonum thomasii Haller, John 1960-4-2 Riverside north base of Orocopia Mtns; 1.3 miles south of the junc. of US 60-70 and the south entrance road to Joshua Tree Nat. Mon 487 Comment
  CAS-BOT-BC263535  Eriogonum thomasii Catherine A. Toschi 1963-4-10 63 :115 Riverside Boyd Desert Research Center 5 miles south of Palm Desert 304 Comment
  RSA0130729  Eriogonum thomasii Glen Rink 2013-3-18 11875 a Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  SBBG65516  Eriogonum thurberi L. Rowntree 1929-5-15 Riverside Morongo Pass Comment
  UC217964  Eriogonum thurberi P. A. Munz and I. M. Johnston 1922-5-19 5348 Riverside 5 mi ne Murietta 457 Comment
  UCR211720  Eriogonum thurberi Fred M. Roberts, D. E. Bramlet 2005-6-6 6247 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
  JOTR35361  Eriogonum trichopes Harding, Mitzi, M. Wheeler 2011-1-26 145 Riverside Joshua Tree National Park. Pinto Basin, where Chuckwalla Valley meets Pinto Wash, 0.5 mi west of Coxcomb Mountains, sandy burms above large wash (STOP2) 289 Comment
  SEINET9369605  Eriogonum trichopes Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  UC217919  Eriogonum trichopes P. A. Munz, D. Keck 1922-4-14 4973 Riverside 10 mi w Indian Wells (dry wash along the Whitewater); Colorado Desert 91 Comment
  SJSU13122  Eriogonum wrightii var. membranaceum C. W. Sharsmith 1945-8-28 5455 Riverside Indian Cr, Mt San Jacinto, San Jacinto Mts 1828 Comment
  RSA450253  Eriogonum wrightii var. nodosum J. C. Roos 1965-9-26 s.n. Riverside Rocky point near Palm Springs Station. Comment
  CDA21219  Erioneuron pulchellum G. F. Hrusa, J. A. Hart 1993-4-4 10595 Riverside Cholla Garden, Joshua Tree N.M. Comment
  UCR123838  Eriophyllum ambiguum var. ambiguum Steven R. Hill 2001-5-3 33680 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
  UCR158521  Eriophyllum confertiflorum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30019 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
  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
  UCR260536  Eriophyllum confertiflorum T. B. Salvato 2014-5-29 8054 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  RSA704015  Eriophyllum confertiflorum var. confertiflorum Daphne K. Christopher, H. Stevens, Z. Princip 127 Riverside Near Hermano Road, off Hwy. 15, Indian Truck Trail exit. On right spur of primary dirt road. 550 Comment
  CAS-BOT-BC301787  Eriophyllum multicaule P. A. Munz 1922-4-29 5080 Riverside Leach Canyon, Santa Ana Mts 548 Comment
  CAS-BOT-BC296974  Eriophyllum wallacei L. R. Abrams 1926-3-25 11006 Riverside Cabazon to Whitewater Comment
  CLARK-A1045-301  Eriophyllum wallacei George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep canyon; ; Palm Desert 15'Q Comment
  CLARK-A1528-1111  Eriophyllum wallacei Charles S. Papp 1965-5-1 816 Riverside San Jacinto River 609 Comment
  POM358164  Eriophyllum wallacei Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA474457  Eriophyllum wallacei M. B. Dunkle 1933-3-3 3024 Riverside Devils Cactus Garden, Colorado Desert 152 Comment
  SEINET12182127  Erodium botrys J. F. Bright, Wyman, C. 1933-1 8043 Riverside Banning Comment
  UCR202505  Erodium cicutarium Justin M. Wood 2008-12-2 263 Riverside Southwest Perris Basin, city of Temecula, Murrieta Creek, downstream of First Street Bridge 305 Comment
  UCR97247  Erodium cicutarium Scott D. White 1997-2-28 4720 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  RSA681034  Erodium texanum Scott D. White, Michael Honer 2003-5-14 9270 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UCR241543  Erodium texanum A. C. Sanders, Ann Howald 2013-2-27 40541 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  UCR274557  Erodium texanum R. E. Riefner Jr., Ileene Anderson 2005-4-14 05- 198 Riverside City of Hemet, hills east of Winchester Rd. and west of MWD canal [south of Hwy 74] 593 Comment
  RSA0022938  Eschscholzia androuxii P. A. Munz, Percy C. Everett 1952-5-2 16244 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  UCR281484  Eschscholzia caespitosa Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-4 417- 89 Riverside Gavilan Hills, SCE transmission route (projected) 0.6 miles NNW of Lake St. and Walker Canyon Rd. 152 Comment
  RSA585879  Eschscholzia californica D. L. Banks, Peter Morrell 1995-5-4 313 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, SE of the Dripping Springs Campground., On Arkose hills at the N base of the metasedimentary hills N of Wildhorse Peak. 537 Comment
  SD137695  Eschscholzia californica Darin L. Banks, Steve Boyd 1995-5-3 244 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. 512 Comment
  UCR113139  Eschscholzia californica A. C. Sanders 1998-3-11 21684 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UCR115942  Eschscholzia californica Mitch Provance 1998-6-11 675 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  CAS-BOT-BC418697  Eschscholzia glyptosperma Carl B. Wolf 1932-4-29 3104 Riverside Eastern Colorado Desert. Blythe - Rice Road. 9 mi. So. of Browns Well 243 Comment
  SEINET10476378  Eschscholzia glyptosperma David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-14 Dunn 3754 Riverside Found in wash above quad 6. Indio hills, colorado desert. Near pushawalla. Comment
  POM307165  Eschscholzia minutiflora Henry J. Ramsey, Henry J. Ramsey 1940-4-14 2005 Riverside 50 miles N of Blythe Comment
  UC1595573  Eschscholzia minutiflora W. Wisura, J. Dolan, and M. Wall 1992-3-25 4656 Riverside 31 mi s prison on Wileys Well Rd. toward Hwy 78; Lowdesert Comment
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Dec 5 2014
  UCR74363  Eschscholzia minutiflora Theo Glenn 1991-5-2 91- 23 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  GMDRC7790  Eschscholzia papastillii J. M. Andre 2015-3-6 33553 Riverside Coachella Valley: sandy flats along Snow Canyon Rd, just south of Hwy 111 362 Comment
  UCD96470  Eschscholzia papastillii Shannon M. Still 2009-2-21 435 -A Riverside California. Riverside County. 168 Comment
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Sep 2 2017
  CAS-BOT-BC419607  Eschscholzia parishii W. G. Wright 1890-4-1 s.n. Riverside Whitewater, Colorado Desert Comment
  GMDRC3744  Eschscholzia parishii J. Andre, T. La Doux 2009-3-1 11234 Riverside Little San Bernardino Mountains: Joshua Tree Natl. Park: south end of the Cottonwood Mtns near Pinkham Wash just N. of aquaduct just inside JTNP boundary, approx 7 mi. W. of S. entrance into park at Cottonwood. USGS 7.5 min. Quad: Cottonwood Basin 33 deg. 40.948' N 115 deg. 52.141' W. Elev. 1778 ft. 542 Comment
  RSA0024819  Eschscholzia parishii Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4467 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  UCR279520  Eschscholzia parishii A. C. Sanders, Jim Malusa 2017-3-27 43120 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  UCR30052  Eschscholzia parishii A. C. Sanders 1983-4-24 3797 Riverside Sonoran (Colorado) Desert, alluvial fan at the NW end of Orocopia Mountains along Hwy 195, c. 3 miles NE of Shavers Well and 2.7 miles NE of the point where the road enters Box Canyon 367 Comment
  UCSB3656  Eschscholzia parishii Atsatt, Pete 1958-3-22 Riverside 5.8 miles east of Desert Center; on highway 60 and 70 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
  RSA779807  Eucrypta micrantha Duncan S. Bell 2009-3-9 106 Riverside Arica Mountains: southeast section of the mountain range approximately 1.2 air miles from Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 307 Comment
  JEPS33745  Eulobus californicus Marjorie D. Clary 1932-5-26 1548 Riverside Pleasant Valley Colorado Desert, Hexie Mountain 1066 Comment
  UC874212  Eulobus californicus I. W. Clokey and B. C. Templeton 1930-4-9 4714 Riverside n Palm Springs; Colorado Desert 180 Comment
  LA104420  Euonymus occidentalis var. parishii Robert F. Thorne; 1969-10-25 41851 Riverside San Jacinto Mountains, James Reserve Comment
  UCR239858  Euphorbia O. F. Clarke 2004-8-21 s.n. Riverside Peninsular Range, Riverside; UCR Botanic Garden 351 Comment
  UCR172190  Euphorbia albomarginata John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  UC1532829  Euphorbia crenulata Robert F. Thorne and Earl Lathrop 1975-5-25 45555 Riverside Rancho California Santa Rosa Plateau, Mesa de Burro (Mesa de Burro) 609 Comment
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Jan 19 2010
  RSA0042921  Euphorbia jaegeri Duncan S. Bell, Evan Meyer 2014-4-2 6494 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  SD227801  Euphorbia nutans Andrew C. Sanders, K. C. Rose 1999-5-28 22792 Riverside Coachella Valley: Between La Quinta and Indio, along Jefferson St. between Ave 54 and I-10. Disturbed roadside at intersection with Ave. 49. 11 Comment
  UCR41338  Euphorbia polycarpa N. M. Fellows 1985-1-5 61 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn., 1 mi west of Snow Creek Village 506 Comment
  UCR242296  Euphorbia setiloba A. C. Sanders, T. B. Salvato 2012-10-12 40432 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  UC485618  Euthamia occidentalis R. L. Pendleton 1905-10-1 284 Riverside West Riverside 274 Comment
  HSC101529  Fagonia laevis J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-18 12774 Riverside 457 Comment
  JOTR33810  Fagonia laevis La Doux, Tasha, B. Truesdell 2007-11-9 3327 Riverside Joshua Tree National Park. Eagle Mountains; south of Munsen Canyon, canyon parallel to and east of Lost Palms Canyon along south park boundary (STOP 4) 649 Comment
  RSA0107798  Fagonia laevis Duncan S. Bell, Amanda Turek 2009-3-30 172 Riverside Southeast section of the Arica Mountains; approximately 1.25 air miles southwest of Priest Well. 349 Comment
  SBBG25121  Fagonia laevis D. Myrick 1966-4-5 1385 Riverside near S entrance to Joshua Tree Nat Monument Comment
  SEINET936428  Fagonia laevis Helen K. Sharsmith 1952-1 4062 Riverside Northwest base of Chuckwalla Mountains 7 miles south of Highway 60-70. 533 Comment
  UC68564  Fagonia laevis H. M. Hall Apr 1905 5806 Riverside 10 mi w Coachella; Colorado Desert 152 Comment
  RSA735215  Fagonia pachyacantha Steve D. Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11237 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
  SD247521  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2015-3-11 41400 Riverside Sonoran (Colorado) Deert; 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 (Iris Pass 7.5'Q) 673 Comment
  UCR91878  Fatoua villosa A. C. Sanders, Steve Morgan 1995-11-30 17927 Riverside Box Springs Mtns., UCR Botanic Garden 365 Comment
  RSA796337  Ferocactus cylindraceus Duncan S. Bell 2009-4-19 288 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCR19356  Festuca grayi John C. Roos 1952-4-2 5463 Riverside Riverside, near Box Springs 457 Comment
  RSA0116288  Ficus microcarpa R. E. Riefner Jr. 2015-8-8 15 -220 Riverside City of Corona, S side of 91 Freeway ca. 120 ft W of Lincoln St., N side of Corona del Rey apartments. 210 Comment
  UCR228912  Filago arizonica A. C. Sanders 2011-4-7 39031 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake, near canyon crossing at Glen Eden 384 Comment
  RSA479909  Filago gallica Steve Boyd 1987-5-9 2086 Riverside City of Riverside, J.V. Boyd residence, 2307 Oak Crest. Comment
  POM11930  Forestiera pubescens P. A. Munz, I. M. Johnston 1922-5-21 5511 Riverside Hemet Valley. 2 miles below Kenworthy, San Jacinto Mts. 1402 Comment
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Mar 25 2011
  RSA69882  Forestiera pubescens F. W. Peirson 1933-4-13 10647 Riverside Between Deep Canyon and Idyllwild, at Palm Canyon crossing 1387 Comment
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Oct 31 2011
  UCD104214  Fouquieria splendens subsp. splendens Helen Kennedy; Fred R. Ganders 2008-4-9 6262 Riverside Mojave Desert. 0.5 mi. from junction of Hwy. 10 and Cottonwoods Springs Rd., on dirt road to W, SE of entrance to Joshua Tree National Park. 529 Comment
  POM122820  Frasera parryi Marcus E. Jones 1926-6-20 s.n. Riverside Near Idyllwild Comment
  SEINET156544  Frasera parryi Norman C. Cooper 1944-7-15 1583 Riverside Palms to Pines Hwy. 1280 Comment
  LA50901  Fraxinus dipetala Joseph Andorfer Ewan; 1933-3-19 10897 Riverside Santa Ana Mountains, Tin Mine Canyon Comment
  RSA263769  Fraxinus latifolia E. W. Lathrop 1971-3-24 7486 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UCR209165  Fraxinus pennsylvanica subsp. velutina A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37153 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  RSA0105844  Fraxinus uhdei Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UCR259203  Fraxinus velutina Mitch Provance 2012-3-30 312- 02 Riverside San Gorgonio Pass, south of Banning at Smith Creek, near the corner of Coyote Trail and Old Idyllwild Rd. 693 Comment
  SD90097  Fraxinus velutina var. coriacea Nancy Ryan Zabriskie, Walter Zabriskie 1972-10-22 544 Riverside Cactus Spring Trail crossing of Horsethief Creek, tributary to Deep Canyon, north slope Santa Rosa Mountains. 1096 Comment
  RSA263771  Fritillaria biflora E. W. Lathrop 1971-3-24 7460 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UCR104632  Fritillaria biflora D. E. Bramlet 1997-3-13 2484 Riverside Lake Skinner Co. Park, 8 m west of Old Warren Road and c. 1.07 km north of the intersection of the entrance road and Old Warren Road. 465 Comment
  UCR234255  Funastrum cynanchoides A. C. Sanders, T. B. Salvato 2012-4-27 40098 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy/I-15 and Indian Truck Trail, c. 500 m SE of El Hermano Rd. 325 Comment
  POM12997  Funastrum cynanchoides var. hartwegii P. A. Munz, I. M. Johnston 1922-5-21 5548 Riverside 4 mi. N.E. of San Jacinto. Base of hills. Comment
  RSA458583  Funastrum cynanchoides var. hartwegii R. S. Woglum 1934-3-18 636 Riverside Snow Creek, Coachella Valley Comment
  RSA494647  Funastrum cynanchoides var. hartwegii B. L. Phillips 1988-6-2 s.n. Riverside E Riverside, near Creek on W side of Box Springs Mt. Comment
  SEINET3081782 Image available Funastrum cynanchoides var. hartwegii Peggy Merritt PM- 720428 Riverside Canyon running N in hills 1 mi S of Intersec. of Alessandra Blvd and Walnut St., 12 mi W of Riverside 366 Comment
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Aug 25 2013
  SEINET10580703  Funastrum hirtellum Carl C. Epling 1927-3-27 Epling s.n. 1927 Riverside Thousand Palms Comment
  UCSB9392  Galium andrewsii Haller, Norman 1953-5-24 Riverside Hwy. 74, Vandeventer Flats, 5 miles W. of Pinyon Flats, San Jacinto Mts. 1524 Comment
  JEPS52779  Galium andrewsii subsp. andrewsii Lauramay T. Dempster and Clare Hardham 1965-6-18 4136 Riverside junction of Route 71 and Route 74 Paradise Valley (at s end of San Jacinto Mts.); s end of San Jacinto Mts., Paradise Valley 1463 Comment
  SD187471  Galium angustifolium Scott D. White, Angelia Carey 2004-4-16 10185 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 116 Comment
  RSA544390  Galium angustifolium subsp. angustifolium Steve D. Boyd, Tim S. Ross 1991-6-14 6404 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  RSA772405  Galium angustifolium subsp. angustifolium Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4860 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
  RSA0103090  Galium angustifolium subsp. gracillimum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8550 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  JEPS56051  Galium angustifolium subsp. jacinticum Lauramay T. Dempster and G. L. Stebbins 1966-6-18 4246 Riverside along Black Mountain Road 2.2 mi above junction with Pine Wood road; along Black Mountain Road 2072 Comment
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Oct 12 2006
  RSA689700  Galium angustifolium subsp. jacinticum Valerie L. Soza, Naomi S. Fraga, Sarah Swartzentruber 2003-6-25 1708 Riverside Lake Fulmore; NW side of Lake. 1616 Comment
  UCR165918  Galium aparine T. B. Salvato, John F. Green 2004-5-27 555 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  RSA36548  Galium hilendiae subsp. hilendiae Sara M. Schenck 1941-5-30 s.n. Riverside Quail Mt. Joshua Tree National Monument. 1585 Comment
  JEPS44391  Galium parishii Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4270 Riverside above Santa Rosa Springs Campground (just inside entrance to TV station spur road, summit of ridge); Santa Rosa Mts. 2286 Comment
  UCR17531  Galium parishii Frank C. Vasek 1979-7-26 790726- 02 d Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  RSA543617  Galium porrigens Steve D. Boyd 1991-5-7 6152 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  UC1925784  Galium porrigens Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1287 Riverside Peninsular Ranges; San Jacinto Mountains region: Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. Comment
  UCR174261  Galium porrigens A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32674 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., near stream crossing of dirt road 549 Comment
  JEPS52916  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1965-6-17 4132 Riverside s Idyllwild (on road to Alvin Meadow) Comment
  JEPS52941  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4282 Riverside about 1 1/2 mi w Mountain Center (along hwy, at junction of Baldy Mountain Camp road, canyon bottom and n-facing slope) Comment
  JOTR16841  Galium stellatum var. eremicum Vanderspek & Youse 1976-2-7 4 /19/1964 Riverside Joshua Tree National Park. WILSON CANYON Comment
  CLARK-A1528-2936  Garrya flavescens John C. Roos 1947-3-15 3336 Riverside San Jacinto Mountains 1066 Comment
  UCR177323  Gastridium ventricosum Scott D. White, Michael Honer 2003-5-27 9414 Riverside Gavilan Hills / Temescal Canyon, hills and canyons c. 1 mile north of the I-15 Fwy and 1 mi east of Lake Street exit, south and/or west of unnamed peak '2349 549 Comment
  POM122259  Gayophytum diffusum subsp. parviflorum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UC64495  Gayophytum diffusum subsp. parviflorum H. M. Hall May, 1899 Riverside El Toro Mt. San Jacinto Mountains 2042 Comment
  UCR17017  Gayophytum heterozygum Harlan Lewis, M. Lewis 1962-8-2 1306 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove Road, Pine Cove, 0.4 mi west of Idyllwild-Banning Road Comment
  RSA593502  Gazania linearis Steve Boyd, Lorrae Fuentes 1996-5-2 8765 Riverside Santa Ana Mountains, Santa Rosa Plateau area at the intersection of Tenaja Road and Rancho California Road, southeast of Tenaja Guard Station, in flats between Redonda Mesa and Squaw Mountain. Comment
  CAS-BOT-BC303608  Geraea canescens H. M. Hall 1905-4-1 5866 Riverside Chuckawalla Bench Comment
  JOTR33850  Geraea canescens La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3062 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; Pinto Wash 322 Comment
  SBBG104633  Geraea canescens T. Glenn 1991-4-30 91 -59 Riverside McCoy Mtns NW of Blythe Comment
  RSA0127783  Geraea canescens G. Rink 2013-3-17 11863 Riverside About ten miles west of Blythe, on the proposed Quartzite solar power plant. 125 Comment
  RSA263660  Geranium dissectum E. W. Lathrop 1975-5-27 7457 b Riverside West of Murrieta, Santa Rosa Plateau. 610 Comment
  UCR139152  Gilia S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1128 Comment
  CLARK-A1528-3498  Gilia achilleifolia subsp. multicaulis John C. Roos 1937-4-4 1389 Riverside La Sierra Comment
  RSA470127  Gilia angelensis N. C. Cooper 1944-3-24 1025 Riverside Banning. 701 Comment
  RSA563887  Gilia angelensis Scott D. White 1993-4-20 1217 Riverside Ridge SE of Estelle Peak, Gavilan Hills. 793 Comment
  RSA670710  Gilia angelensis B. C. Templeton, I. W. Clokey 1930-4-9 1027 Riverside North Banning 610 Comment
  RSA716388  Gilia angelensis Scott D. White, Angelia Carey 2004-4-5 9989 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  SD232284  Gilia angelensis Michael Wall 2003-4-15 264 Riverside Peninsular Ranges; San Jacinto Mountains region: Lamb Canyon west of Beaumont off Hwy. 79, 5.2 mi. south jct. with 10 Fwy up dirt road at turnout along west side of Hwy. 33. 601 Comment
  UCR6144  Gilia angelensis C. M. Bringle, H. Johnston 1967-4-22 5 Riverside Jurupa, [Pedley Hills] at end of Sedona Drive off Jurupa Road, west of Mission Blvd. Hillside with red water storage tank. 'el. 800 ft.' 305 Comment
  UC1928524  Gilia australis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10501 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  UCR22023  Gilia australis Steve Boyd 1980-5-15 278 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  UC23351  Gilia capitata subsp. abrotanifolia Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  UC455672  Gilia capitata subsp. abrotanifolia I. J. Condit 1910-6-24 Riverside road to Strawberry Valley (San Jacinto Mts.); , rd to Strawberry Valley 914 Comment
  CAS-BOT-BC407612  Gilia ochroleuca subsp. exilis Robert F. Thorne; F. R. Fosberg; M. Sachetti 1983-4-23 55471 Riverside San Bernardino Mts: Side-canyon on W side of Whitewater canyon, ca 3.3 mi N of Whitewater Post Office 624 Comment
  RSA0017265  Gilia ochroleuca subsp. exilis T. B. Salvato 2004-5-27 587 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  RSA0016286  Gilia ochroleuca subsp. exilis E. A. Zumbro 1897-05 s.n. Riverside Hemet Valley. 1372 Comment
  RSA0017274  Gilia ochroleuca subsp. exilis Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4563 Riverside Vail Lake area, rolling terrain at jct of hwy R3 and Powerline Rd. NE of the lake. Comment
  RSA776340  Gilia scopulorum Duncan S. Bell 2010-3-20 640 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 215 Comment
  RSA78695  Gilia sinuata P. A. Munz 1952-4-15 17349 Riverside Pleasant Valley, Joshua Tree National Monument 1159 Comment
  UCR151103  Gilia splendens Scott D. White, Julie Greene 1998-8-1 6969 Riverside Peninsular Ranges/San Jacinto Mtns region, Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park 1951 Comment
  RSA234103  Gilia stellata R. F. Thorne, R. Carolin 1967-3-21 41631 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  UCR251666  Gilia stellata Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 757 Riverside Sonoran (Colorado) Desert, Mecca Hills, Shaver's Well, adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UCR279558  Gilia stellata A. C. Sanders, Jim Malusa 2017-3-29 43181 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
  UCSB52568  Gilia stellata Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot; Chino Canyon; Whittaker transect #W-217 570 Comment
  SD146072  Glinus lotoides A. C. Sanders, Mitch Provance 1999-9-26 23111 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 miles southeast of Jackrabbit Trail on Gilman Springs Road, 1.4 miles south of Eden Hot Spr 433 Comment
  RSA0060583  Gnaphalium californicum Bob Rogers 1984-4-14 8 Riverside Collected in the San Jacinto river-bed on the North side of Highway 74, 0.5 miles past Cranston ranger station going East from Hemet towards Mountain Center. 610 Comment
  RSA596162  Gnaphalium canescens subsp. microcephalum D. L. Banks 1996-11-7 1215 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; On the main road in the Reservation., 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  POM15072  Gnaphalium chilense Mary F. Spencer 1922-4-10 1959 Riverside Palm Springs, alt 500ft, Riverside County 152 Comment
  UCR41395  Gnaphalium luteoalbum N. M. Fellows, A. C. Sanders 1985-5-7 182 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  POM48738  Gnaphalium palustre P. A. Munz, I. M. Johnston 1924-7-29 8821 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  UCR3583  Gnaphalium palustre Frank C. Vasek 1964-6-24 640624- 03 Riverside City of Riverside, University of California Riverside campus. Life Science greenhouse. 335 Comment
  UCR25554  Gnaphalium stramineum John C. Roos 1941-4-25 158 Riverside Plateau in Reche Canyon Comment
  POM9857  Grayia spinosa E. C. Jaeger 1920-3-30 s.n. Riverside Between Keyes Ranch and Pinyon Well. 1220 Comment
  POM48137  Guillenia lasiophylla E. Schlinger 1920-05 s.n. Riverside Canyon Coachella, Colorado Desert Comment
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Nov 19 2011
  RSA651181  Guillenia lasiophylla Marion P. Harthill 1973-2-17 1578 Riverside Scissors Crossing, [to?] Palm Springs 731 Comment
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Jun 9 2013
  POM294579  Gutierrezia californica Lyman Benson 1945-11-10 11914 Riverside 5 miles east of Temecula. 457 Comment
  POM359186  Gutierrezia californica L. C. Wheeler 1933-12-1 2293 Riverside Mouth of Tauquitz Canyon, San Jacinto Mountains. 152 Comment
  UCR134647  Gutierrezia californica Mitch Provance 1998-4-10 420 Riverside La Sierra Hills, east-facing slopes of hills at western extreme of Cypress Ave 351 Comment
  UCR245800  Gutierrezia californica A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40962 Riverside Peninsular Range, Wilson Valley Preserve, 0.12 mi. S of Wilson Valley Rd., 1.1 mi. east of Sage Rd., 1.65 mi. east (87 deg. ) of Round Top Mtn. 770 Comment
  UCR150641  Gutierrezia microcephala Bern Schwenn 1994-9-18 s.n. Riverside Joshua Tree National Monument, Little San Bernardino Mountains; on saddle between Bernard and Little San Bernardino Peaks, SW of Bernard 1591 Comment
  POM319668  Gutierrezia sarothrae Patricia Wilder 1971-7-15 5256 Riverside Hillside at W end of Prado Dam, alt 800ft. Chino Hills Mts, Santa Ana River 244 Comment
  RSA0080442  Gutierrezia sarothrae Sarah J. De Groot, Duncan S. Bell 2015-9-21 7580 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Along Dunn Road, between Asbestos Mountain and Haystack Mountain. 1241 Comment
  SEINET9286315  Gutierrezia sarothrae Unknown 1936-12-24 36816 Riverside San Jacinto Mountains Comment
  HSC93287  Harpagonella palmeri Karen Kirtland 1993-4-17 Riverside N of Temecula Comment
  UC62994  Helenium bigelovii H. M. Hall 1897-8-13 848 Riverside San Jacinto Mountains 1828 Comment
  POM2873  Helianthemum scoparium var. aldersonii P. A. Munz 1918-4-27 2137 Riverside Temescal Canyon Comment
  OBI4960  Helianthus annuus Wesley Griesel 1960-8-24 215 Riverside Near Hemet Comment
  POM17800  Helianthus gracilentus P. A. Munz 1923-6-14 7060 Riverside Glen Ivy Trail to Santiago Peak 1219 Comment
  UCR231737  Helianthus gracilentus John F. Green 2008-4-23 08- 06 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UCD119439  Heliotropium curassavicum var. oculatum A. C. Sanders 2004-8-10 28762 Riverside Perris-Aguanga Region: 3 miles ENE of Perris, new nursery growing grounds W of Menifee Rd. (=Pozos Av.) and S of Nuevo Rd., between San Jacinto River and Nuevo. 433 Comment
  RSA653072  Hemizonia fasciculata A. C. Sanders 1997-5-1 20625 Riverside Along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  CLARK-A1528-1920  Hemizonia kelloggii John C. Roos 1965-6-27 Riverside Reche Canyon Comment
  UCR135989  Hemizonia kelloggii Virginia Moran 2003-7-17 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  UCR140717  Hemizonia kelloggii A. C. Sanders 2004-5-12 27888 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR201877  Hemizonia paniculata Justin M. Wood 2008-9-22 166 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  UCR89249  Hemizonia paniculata Scott D. White 1995-9-22 3680 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  POM187878  Hemizonia pungens subsp. laevis E. C. Jaeger 1932-8-31 s.n. Riverside Between Lakeview and San Jacinto Comment
  RSA700937  Hemizonia pungens subsp. laevis Michael Wall 1996-7-6 146 Riverside San Jacinto Valley, W side of Ramona Expressway in swale beginning 0.4 mi SE of Sanderson continuing for >0.5 mi. 488 Comment
  UCR114545  Hemizonia pungens subsp. laevis A. C. Sanders, K. C. Rose 1999-6-18 22813 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  UCR199712  Hemizonia pungens subsp. pungens Scott D. White, Justin Wood 2008-6-26 12295 Riverside Perris Basin, Hwy I-215 at stream crossing, just west of golf course and just north of Newport Road 434 Comment
  RSA561014  Hesperolinon micranthum Steve Boyd, Tim Ross 1992-5-4 7196 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA739711  Heterocodon rariflorum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35634 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
  SEINET1908446  Heterocodon rariflorum A. C. Sanders, Mitch Provance 2008-1 35805 Riverside Peninsular Range; San Jacinto Mtns.; Coldwater Creek along trails in vicinity of junction of Sout Ridge and Coldwater Trails, 1.25 m. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station. 1450 Comment
  UCSC001315  Heterocodon rariflorum Peter Kamb 1948-7-11 1202 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  UCR163425  Heterotheca grandiflora B. G. Pitzer 1998-1-25 3424 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  UCR163988  Heterotheca grandiflora 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
  RSA0075897  Heterotheca grandiflora D. L. Banks, S. D. Boyd 1995-10-17 0770 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  CAS-BOT-BC26196  Heterotheca sessiliflora var. sanjacintensis J. C. Semple; J. Chimielewski 1987-9-30 8982 Riverside Idyllwild, CA-243, just S of Idyllwild Park, Manzanita Dr. Comment
  LA208989  Heuchera caespitosa M. Hilend; 1928-8-7 Riverside Summit- San Jacinto Peak Comment
  UCR24439  Heuchera hirsutissima John C. Roos 1946-8-27 2784 Riverside Peninsular Range, Santa Rosa Mtns 2287 Comment
  UCR30525  Heuchera hirsutissima K. Stolte 1983-6-12 s.n. Riverside San Jacinto Mtns., Snow Creek 1677 Comment
  UCR35279  Heuchera hirsutissima L. B. Ziegler 1969-7-4 400 Riverside San Jacinto Mtns., North slope above Black Mtn. Camp and east of Black Mtn 2348 Comment
  RSA0066124  Heuchera hirsutissima L. B. Ziegler 1969-7-1 s.n. Riverside North face of San Jacinto Mts. 2346 Comment
  JOTR28877  Hibiscus denudatus La Doux, Tasha, Bill Truesdell 2004-3-17 1112 Riverside Joshua Tree National Park. Cottonwood Mtns; just north of southern boundary 563 Comment
  RSA0042858  Hibiscus denudatus Duncan S. Bell, LeRoy Gross 2014-3-20 6270 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  UC489128  Hieracium horridum C. V. Meyer 1928-7-31 610 Riverside Tahquitz Peak San Jacinto Mts., Tahquitz Peak 2682 Comment
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Aug 3 2008
  SEINET212651 Image available Hilaria rigida L. C. Higgins 1974-4-12 8488 Riverside 5 mi S of Morongo Valley on Hwy 62 Comment
  SEINET11678261  Hilaria rigida Unknown 1936-1 12548 Riverside Colorado Desert, N of Palm Springs Comment
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Oct 7 2017
  POM14017  Hoffmannseggia glauca P. A. Munz, D. D. Keck 1922-4-13 4927 Riverside Hayfields, Chuckwalla Valley 152 Comment
  CAS-BOT-BC207563  Hoffmannseggia microphylla M. Bourell; R. Patterson 1987-4-14 3272 Riverside Spur N of Box Canyon Hwy 195, BLM Conservation Area 150 Comment
  SD187402  Hoita orbicularis Scott D. White, Angelia Carey 2004-5-7 10347 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  UCR113935  Holcus lanatus Mitch Provance, A. C. Sanders 2000-7-4 2102 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA797260  Holodiscus microphyllus var. sericeus Robert F. Thorne, Walter Wisura 1977-9-17 50798 Riverside San Jacinto Mountain: summit. 3293 Comment
  SBBG103942  Hordeum depressum A. C. Sanders 1993-5-12 14016 Riverside Hemet, W side of Warren Rd, 0.5 mi S of Florida Ave (St Hwy 74) Comment
  UCR231750  Hordeum depressum John F. Green 2008-4-21 03- 03 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and Alabaster Loop, east of the San Jacinto River 457 Comment
  CLARK-A1528-67  Hordeum leporinum Oscar F. Clarke, C. M. Flanagan 1973-3-13 OO 118 Riverside US 274 Comment
  UCR107839  Hordeum murinum Scott D. White, M. Jacobsmeyer 1996-4-20 3971 Riverside Perris Basin, near Perris Airport; c. 100 m south of Case Road and 100 m west of the San Jacinto River Channel 433 Comment
  UCR21121  Hordeum murinum A. C. Sanders, Steve Boyd 1980-5-19 1496 Riverside San Jacinto Mtns, Garner Valley. Meadow west of Kenworthy Ranger Station. 1375 Comment
  RSA575996  Hordeum murinum subsp. leporinum 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
  SBBG87467  Hordeum murinum subsp. leporinum A. C. Sanders with D. Charlton, B. Pitzer 1986-3-1 6035 Riverside NW end of Hayfield Lake, ca. 0.5 mi SW of the pumping station 1350 Comment
  POM21179  Horkelia clevelandii Fordyce Griffiths Jr. 1908-07 s.n. Riverside Strawberry Valley. 1829 Comment
  UCR220297  Horsfordia alata Dave Goodward 2005-2-27 s.n. Riverside Peninsular Range, Toro Canyon 366 Comment
  RSA0054881  Hugelia filifolia Keith E. Hoffmaster 1937-6-6 756 Riverside Near Valle Vista, Hemet Valley. Comment
  UCR34976  Hulsea vestita subsp. callicarpha L. B. Ziegler 1972-5-29 466 Riverside San Jacinto Mtns., W slope along Hwy 74 1341 Comment
  UCR100578  Hydrocotyle umbellata A. C. Sanders, T. Tennant 1997-11-14 21598 Riverside San Bernardino Mtns., Morongo Indian Reservation, W end of Burro Flats 1159 Comment
  SEINET11847654  Hymenoclea salsola L. S. Rose 1936-1 36792 Riverside Palm Canyon Wash 122 Comment
  UCR123760  Hymenoclea salsola var. pentalepis Steven R. Hill 2001-4-29 33548 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  SEINET11259614 Image available Hymenoxys odorata H. M. Hall 5914 Riverside Paloverde Valley 76 Comment
  CAS-BOT-BC219738  Hyptis emoryi Reid Moran 1941-5-5 854 Riverside Cottonwood Pass, Eagle Mts. Comment
  RSA420185  Hyptis emoryi Bonnie C. Templeton 1930-3-22 1642 Riverside Palm Springs. 400 Comment
  SEINET7907884  Hyptis emoryi D. A. Johnson 2005-1 2005- 02 -20-16 Riverside Between Coachella & S entrance to Joshua Tree Nat'l Park, S of Interstate 10 914 Comment
  UCR75068  Hyptis emoryi A. C. Sanders, E. J. Lawlor 1992-4-4 12113 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  CAS-BOT-BC311617  Isocoma acradenia var. eremophila S. B. Parish 1912-6-28 8117 Riverside Mecca Comment
  RSA772331  Isocoma acradenia var. eremophila Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4511 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA91176  Isocoma acradenia var. eremophila F. W. Peirson 1922-12-28 4740 Riverside Andreas Canyon, east base of San Jacinto Mts. 244 Comment
  RSA199005  Isoetes orcuttii R. F. Thorne, P. A. Munz 1968-5-8 37592 Riverside Santa Rosa Plateau, Rancho California 610 Comment
  CSUSB955  Isomeris arborea Linda Stangor 1974-5-16 Riverside Along highway 60, 6 miles northwest of Palm Springs 152 Comment
  UCR41598  Isomeris arborea A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6033 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  CAS-BOT-BC324741  Iva axillaris Steve Boyd 1986-4-22 1730 Riverside Walker Canyon area where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills, Temescal Canyon Comment
  RSA613135  Jepsonia parryi D. L. Banks 1997-3-6 1405 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  UCD110248  Juglans A. C. Sanders; T. B. Salvato 2003-5-21 26783 Riverside Elsinore Valley: Wildomar, old ranch parcel SE of Wesley St., and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  RSA0121457  Juncus acutus subsp. leopoldii Duncan S. Bell, LeRoy Gross 2016-3-30 9137 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  SEINET1908450  Juncus bufonius A. C. Sanders, Mitch Provance 2008-1 35802 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Cernter, c. 3/4 mile NE of Keenwild Fire Station. 1450 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
  RSA357162  Juncus luciensis Robert F. Thorne, E. W. Lathrop 1975-5-20 45498 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 610 Comment
  RSA6023  Juncus macrophyllus Carl B. Wolf 1932-8-5 3940 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2561 Comment
  POM14184  Juncus mexicanus Phillip A. Munz 1922-5-18 5324 Riverside 3 miles south of Glen Ivy [now Glen Ivy Hot Springs]. Comment
  RSA675699  Juncus mexicanus Scott D. White 2001-5-1 8435 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 442 Comment
  POM12142  Juncus rugulosus Mary F. Spencer 1259 Riverside Soboba Hot Springs, San Jacinto. 579 Comment
  UCR207678  Juncus rugulosus G. R. Ballmer 2005-12-3 s.n. Riverside Transverse Range; San Bernardino Mtns., Whitewater River Canyon 610 Comment
  RSA526136  Juncus tiehmii Steve Boyd, Timothy S. Ross 1990-5-11 4649 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  SBBG133562  Juniperus californica S. D. White, A. Carey 2004-7-2 10578 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Poppet Crk Cyn 549 Comment
  SD229041  Juniperus californica Dick Schwenkmeyer 2013-6-11 910 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  UCD133743  Juniperus californica Jo Ann Olson; Gary R. Robbins 1969-3-29 19 Riverside Pinyon Flat Campground, San Bernardino National Forest, 16 miles southwest of Palm Desert. 1226 Comment
  UCR11  Juniperus californica Eugene Cardiff 1950-2-19 s.n. Riverside Santa Rosa Mtns., Palms-to-Pines Hwy. [near Pinyon Flats] 1372 Comment
  UCR244381  Juniperus californica Jim Andre 2012-4-16 20952 Riverside Joshua Tree National Park;, along Geotour Road, at SW end of one-way loop in Pleasant Valley at foot drainage below Pinyon Well, c. 7.5 mi. south of paved National Park Loop Rd. 1095 Comment
  UCR83576  Juniperus californica A. C. Sanders, P. J. MacKay, L. Lubinsky 1994-10-30 15852 Riverside San Bernardino Mtns., Whitewater River Canyon between Red Dome & Stills Landing, SE of VABM Paw (2988 ft.) 854 Comment
  CAS-BOT-BC234584  Justicia californica H. M. Hall 1905-4-16 5776 Riverside 7 mi. west of Coachella Comment
  POM182075  Justicia californica P. A. Munz 1932-3-14 11971 Riverside Palm Springs. 91 Comment
  RSA171105  Justicia californica R. F. Thorne, Robert Rutherford 1964-4-12 33657 Riverside 1 mile W of turnoff to Cottonwood Wells [Springs]. Larrea desert scrub along Hwy. 60-70. Comment
  RSA402300  Justicia californica A. M. Johnson 1933-4-28 4235 Riverside On wash along Pines to Palms highway, below Palm Springs. Comment
  UC700978  Justicia californica Aven and Ruth Nelson 1939-3-22 3219 Riverside Palm Springs Comment
  UCR14208  Justicia californica W. W. Zabriskie 1973-2-8 103 Riverside Peninsular Range/Western Colorado Desert, Deep Canyon, west side of jeep road leading to Coyote Canyon from Deep Canyon Research Center Road, N slope Santa Rosa Mtns. 293 Comment
  JOTR30680  Kallstroemia californica Andre, Jim, Tasha La Doux 2008-9-13 10262 Riverside Joshua Tree National Park. Chuckwalla Valley, along Hwy 177 (northwest side), southeast end of Coxcomb Mountains. East boundary of Joshua Tree National Park. 160 Comment
  JOTR32595  Kallstroemia californica La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2664 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
  RSA781421  Kallstroemia californica Duncan S. Bell 2011-10-22 3001 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
  UC1063329  Keckiella antirrhinoides R. St. John 1929-5-23 30 Riverside Bautista Canyon; San Jacinto Quad. 609 Comment
  UC1537425  Keckiella antirrhinoides Gordon H. True Jr. 1935-3-13 97 Riverside Mockingbird Canyon 457 Comment
  VVC481  Keckiella antirrhinoides A. C. Sanders, J. Mac 1997-5-4 20698 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  POM9667  Keckiella antirrhinoides Philip A. Munz, R. D. Harwood 1920-2-28 3255 Riverside 3 mi W. of Corona. 335 Comment
  CHSC89890  Keckiella antirrhinoides var. antirrhinoides L. P. Janeway 2004-5-8 8067 Riverside Peninsular Ranges. Santa Ana Mountains, Los Alamos Canyon near mouth of Wildhorse Canyon, where Wildomar Road crosses the creek. On steep northwest-facing slope above the road, bottom of the canyon. 421 Comment
  UCR104940  Keckiella antirrhinoides var. antirrhinoides A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20698 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
  JOTR34044  Keckiella antirrhinoides var. microphylla La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2945 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
  CAS-BOT-BC246201  Keckiella rothrockii Ralph Hoffmann 1929-9-6 s.n. Riverside Near Tahquitz Pk., San Jacinto Mts. Comment
  RSA674939  Koeleria macrantha Scott D. White, Bill La Haye 2000-5-27 7948 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCD86079  Koeleria macrantha F. M. Reed 1920-6-14 4432 Riverside San Jacinto Mts., ridge west of Idyllwild. 1676 Comment
  SBBG114130  Krameria bicolor E. Collins 1995-4-9 Riverside Corn Springs Cmpgrd 518 Comment
  JEPS99420  Krameria erecta D. H. Wilken, G. A. Wilken 1997-11-1 15375 Riverside Tributary of San Bernardino Wash, 0.3 km sw of Gold Crown Rd, sw slope of Pinto Mtns. Mojave Desert 605 Comment
  SEINET3004984  Krameria erecta G. Rink, M. Baker 2011-4-1 10411 Riverside Northwest of Blythe, east of the McCoy Mtns, vegetated pockets in desert pavement 170 Comment
  SEINET8753900 Image available Krameria grayi Carl B. Wolf 1932-1 2986 Riverside Colorado desert. 14 miles east of Mecca on Blythe Road (E. of Shavers Well) 152 Comment
  RSA502493  Lactuca saligna Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3734 Riverside Vail Lake area: edge of hills on N of Wilson Creek at E end of lake. 488 Comment
  CAS-BOT-BC340718  Laennecia coulteri H. M. Hall; L. A. Greata 1905-4-1 5941 Riverside Paloverde [Palo Verde] Valley Comment
  UCR26506  Lagophylla ramosissima subsp. ramosissima A. C. Sanders, S. Hagopian 1981-5-20 2147 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  RSA614414  Lamarckia aurea D. L. Banks 1997-3-16 1547 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  UCR142198  Lamarckia aurea June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 915 Comment
  UCR1617  Lamarckia aurea R. G. Barber 1962-5-12 s.n. Riverside Peninsular Range, Riverside, north of Big Springs Canyon on the top of Box Springs Mtn. 915 Comment
  RSA489113  Lamarckia aurea L. F. LaPre, J. Easton 1988-1-27 s.n. Riverside Santa Rosa Plateau; Mesa de Burro, Santa Rosa Springs Ranch Comment
  RSA613129  Lamium amplexicaule D. L. Banks 1997-3-6 1398 B Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  RSA696978  Langloisia schottii Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  CLARK-A1528-3537  Langloisia setosissima John C. Roos 1949-4-6 4148 Riverside Comment
  RSA0121060  Langloisia setosissima subsp. setosissima Duncan S. Bell, Thomas Stoughton 2016-3-16 8946 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  RSA390023  Larrea tridentata C. Crow 1928-11-11 s.n. Riverside Morongo Valley, Colorado Desert. Desert plains 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
  RSA761098  Larrea tridentata Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-3-30 105 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  RSA649664  Lastarriaea coriacea Rashmi Pant, Darin Banks 1996-5-13 1024 Riverside NW Palomar Mtns. Agua Tibia Mountians. Foothills S of Hwy 79; E of the Dripping Spring Campground; along xeric ridge, approximately 100mi E of the Dripping Springs Guard Station. Comment
  UC83662  Lastarriaea coriacea unknown April 1891 Riverside Cabazon Comment
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Mar 13 2011
  JEPS29304  Lasthenia coronaria Rimo Bacigalupi, and L. Heckard 1962-3-25 8399 Riverside about 10 air miles nw Elsinore (near Arcilla siding of A.T. & S.F. Railway, just below and e of state Highway 71); Temescal Wash 289 Comment
  POM6006  Lasthenia glabrata subsp. coulteri P. A. Munz 1918-4-27 2159 Riverside Murrieta Comment
  RSA190625  Lathyrus vestitus subsp. alefeldii L. B. Ziegler 1967-6-25 s.n. Riverside Flat above Kenworthy Ranger Station, south end of San Jacinto Mountains 1555 Comment
  CAS-BOT-BC320798  Layia glandulosa H. M. Hall 1901-6-1 2185 Riverside San Jacinto Mountains. South side. 1371 Comment
  UC1792810  Layia glandulosa T. B. Salvato, John F. Green 2004-5-27 705 Riverside San Bernardino Mtns: head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1402 Comment
  HSC85267  Layia platyglossa Steve Boyd 1986-4-22 1764 Riverside W side of Indian Wash, S of I-15 Comment
  RSA593885  Layia platyglossa Steve Boyd, David E. Bramlet 1996-4-19 8615 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
  RSA614302  Layia platyglossa D. L. Banks, Victor Steinmann 1997-3-13 1506 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
  UC1563034  Layia platyglossa Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-18 2985 Riverside Temecula Creek Cyn below Vail Lake dam; Vail Lake area, Temecula Creek Cyn below Vail Lake dam 417 Comment
  UC62889  Layia platyglossa H. M. Hall 1902-4-26 2988 Riverside vicinity Riverside 426 Comment
  UCR167436  Layia platyglossa John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  UCR174162  Layia platyglossa A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32638 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
  RSA233324  Layia platyglossa subsp. platyglossa L. B. Ziegler 1968-4-16 s.n. Riverside Hemet Valley, San Jacinto Mts Comment
  UC1608010  Leersia oryzoides A. C. Sanders with O. F. Clarke and C. N. P. S. 1991-10-5 11740 Riverside 50-100 m below Lake Evans (between Lake Evans and Santa Ana River Fairmont Park, along Spring Brook); Riverside, Fairmont Park, Spring Brook Comment
  UCR278857  Lemna Mitch Provance 2011-6-15 17100 Riverside Santa Ana River Valley, Riverside, north side of Market St., 100-200 ft. east of the rip rap along the Santa Ana River34 245 Comment
  RSA601921  Lepidium dictyotum var. acutidens D. E. Bramlet 1997-3-13 2493 Riverside Nichols Road Wetlands. The site is located approximately 275 m SE of Nichols Road, 91 m W of Collier Ave and 305 m W of the I-15. The locality is E of the existing dirt road extending S from Nichols Road and adjacent to Alberhill Creek. 381 Comment
  UC856450  Lepidium fremontii Ira L. Wiggins 1937-3-9 8745 Riverside Chuckawalla Spring Chuckawalla Mts. Comment
  GMDRC3750  Lepidium fremontii var. fremontii J. Andre, T. La Doux 2009-3-1 11247 Riverside Little San Bernardino Mountains: Joshua Tree Natl. Park: south end of the Cottonwood Mtns near Pinkham Wash just N. of aquaduct just inside JTNP boundary, approx 7 mi. W. of S. entrance into park at Cottonwood. USGS 7.5 min. Quad: Cottonwood Basin 33 deg. 40.948' N 115 deg. 52.141' W. Elev. 1778 ft. 542 Comment
  RSA429930  Lepidium lasiocarpum N. C. Cooper 1945-3-24 1619 Riverside Cabazon. 457 Comment
  UCR214432  Lepidium lasiocarpum A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37493 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
  UCR239906  Lepidium lasiocarpum O. F. Clarke 2004-4-16 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, North Loop Trail near Two Trees Canyon 701 Comment
  SEINET11983341  Lepidium lasiocarpum Unknown 1936-1 12807 Riverside Colorado Desert N of Palm Springs Comment
  CAS-BOT-BC89667  Lepidium lasiocarpum subsp. lasiocarpum John Thomas Howell 1928-3-25 3540 Riverside Colorado Desert. Painted Canyon. Comment
  CDA24928  Lepidium lasiocarpum var. georginum G. D. Barbe, T. C. Fuller 1973-2-28 1069 Riverside 4.6 miles south of I-10 on Wiley s Well Road, west of Blythe. 0 Comment
  HSC85408  Lepidium nitidum Steve Boyd 1986-4-2 1621 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  CHSC8476  Lepidium oblongum Edward Laidlaw Smith 1958-3-21 470 Riverside 2 mi. e. of Indio on Hwy 60. Salton Sea Drainage Area. Comment
  OBI45208  Lepidium virginicum B. Pitzer & Jack Easton, Jack Easton 1987-3-10 402 Riverside Anza area, hills S of Thomas Mtn, ca 3 mi (airline) E oftown of Anza on N side of hwy 371. Butterfly Peak 7.5'quad: T7S, R4E, NE1/4 sec 13 1341 Comment
  RSA525337  Lepidium virginicum var. robinsonii Steve Boyd, Dave Bramlet 1990-4-29 4467 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  SEINET3196333 Image available Leptochloa fusca subsp. uninervia P. M. Peterson, D. R. Peterson 1988-8-24 4989 Riverside Batista Canyon Wash, entering San Jacinto River (Wash), just N of Cedar and Moutain, NE end of Hemet. Comment
  CLARK-A1656-842  Leptochloa uninervia Jon Mark Stewart 1983-11-6 Riverside Palm Desert 60 Comment
  CAS-BOT-BC227049  Leptosiphon floribundus subsp. glaber Frank W. Peirson 1922-4-28 946 Riverside Leach Canon [Canyon], Elsinore Region Comment
  RSA221059  Leptosiphon floribundus subsp. glaber E. W. Lathrop 1966-4-27 6216 Riverside Mail Divide Truck Trail between El Carriso and San mateo Canyon, Cleveland Nat'l. Forest. 1220 Comment
  POM10463  Leptosiphon liniflorus H. M. Hall 1897-04 306 Riverside Menifee Comment
  UCR120206  Lessingia filaginifolia Mitch Provance 1998-3-5 194 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  SFV13132  Lessingia glandulifera M. J. Thor 1982-9-16 116 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  SBBG94651  Lessingia glandulifera var. glandulifera S. D. White 1990-10-8 Riverside Vail Lake area, Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  SD175800  Lessingia glandulifera var. glandulifera Mike Lahti 2006-9-12 1356283 Riverside Sage Ranch Nursery, 41801 East Benton Rd., Hemet. 715 Comment
  RSA516755  Leymus condensatus Ed LaRue 1989-4-25 s.n. Riverside 2 miles (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons., (All of sec. 33, W/2 sec. 34, NW/4 sec. 3 (T 6S) small portion of eastern sec. 35) 488 Comment
  SEINET10501671  Lilaea scilloides James S. Henrickson 1969-5-15 Henrickson 3225 Riverside 6 miles W of Murrieta on Santa Rosa Plateau at Tenaja Lake; ca 2 miles E of Tenaja Forest Station; common in low water and moist margins of shallow lake, with Downingia, Heleocharis, Plagiobothrys, Elatine, etc. 610 Comment
  RSA162811  Lilium parryi J. D. Olmsted 1959-7-1 711 Riverside Canyon entering Fern Valley from west of Suicide Rock, at highest dam, 2 miles NE of Idyllwild 1921 Comment
  RSA0012195  Limonium duriusculum A. C. Sanders, John F. Green 2012-6-25 40298 Riverside Temescal Canyon, benches south of I-15 and east of Horsethief Canyon Rd., north end of Bucking Bay Dr. 433 Comment
  RSA768238  Limonium perezii Justin M. Wood 2010-5-19 1843 Riverside Santa Ana River: +/- 1.4 miles downstream of Prado dam outlet, just NW of Green River Housing Estate. 131 Comment
  RSA180406  Linanthus androsaceus subsp. luteolus E. W. Lathrop 1965-5-9 5735 Riverside 6 miles W of Murrieta. Comment
  CHSC1259  Linanthus californicus S. Westerberg 1938-4-12 Riverside Palm Springs. Comment
  RSA651711  Linanthus californicus Diane M. Ramirez 1983-5-1 6 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Comment
  RSA751912  Linanthus ciliatus Scott D. White, Justin M. Wood 2009-5-22 12915 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. Comment
  SEINET7073335  Linanthus dianthiflorus A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  UCR132611  Linanthus dianthiflorus Kent Beaman 1983-4-24 29 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road 8 miles west of Hwy 15 to Tenaja Rd., 2 miles west to open grassy area with white fence on right, c. 100 m south of Tenaja Rd. 646 Comment
  UCSB18436  Linanthus dianthiflorus Cummings, R. 1963-5-4 Riverside Banning to Idyllwild Road, 3 miles south of Banning, San Jacinto Mountains 853 Comment
  RSA359854  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd 1986-4-2 1632 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  JEPS58524  Linanthus floribundus subsp. floribundus W. L. Jepson 1907-5-25 1445 Riverside Santa Rosa Indian Village Santa Rosa Mts. Comment
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Nov 29 2008
  CAS-BOT-BC226874  Linanthus jaegeri H. M. Hall 1901-6-1 2323 Riverside Tauquitz [Tahquitz] Peak, San Jacinto Mt. 2621 Comment
  RSA0022553  Linanthus jonesii J. Andre, G. L. Clifton, Ron Kelley 2013-3-21 24383 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  RSA645177  Linanthus maculatus J. Mark Porter, L. Machen 1995-4-14 10698 Riverside Whitewater Canyon, ca 1.5 mi north of Interstate 10, ca. 0.25 mi south of the fence delineating private property. East of Whitewater Canyon Road, on the terrace below the level of the road. Comment
  UC23776  Linanthus parviflorus Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  SBBG64713  Linanthus pungens subsp. hallii R. Hoffmann 1929-9-10 Riverside Tahquitz Pk 2438 Comment
  RSA525350  Linaria canadensis var. texana Steve D. Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4448 Riverside Vail Lake area, benches along Kolb Creek, W of Dripping Springs, N of Hwy 79. 488 Comment
  RSA572985  Linaria canadensis var. texana Steve D. Boyd 1986-4-19 1702 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  RSA715179  Linaria canadensis var. texana John Green 2006-4-25 s.n. Riverside Peninsular Ranges; Temecula, Southern California Edison right of way between residential areas, N-S corridor between S. General Kearny Road and La Serena Way; E of Veterans park. 366 Comment
  UCR182995  Linaria canadensis var. texana Mitch Provance 2003-5-5 4402 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR35222  Linaria maroccana L. B. Ziegler 1975-4-1 539 Riverside San Jacinto Valley 473 Comment
  POM259257  Linum lewisii P. A. Munz 1938-8-14 15381 Riverside East of Toro Peak, Santa Rosa Mts. 2287 Comment
  POM296034  Linum usitatissimum Lyman Benson 1945-3-29 11619 Riverside San Gorgonio Pass, 5 miles east of Banning. 610 Comment
  SDSU13696  Lobularia maritima James C. Dice, Virginia Moran 1987-11-28 759 Riverside South rim of Temecula Gorge, in dirt road near locked gate. T8S, R3W, NE 1/4 of SE 1/4 of Section 27. 305 Comment
  UCR183006  Loeflingia squarrosa Mitch Provance 2003-5-5 4403 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR254626  Loeseliastrum schottii Jim Andre, Glenn Clifton, Ron Kelley 2013-3-21 24396 Riverside NE Colorado Desert, West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of Grommet RR xing at Hwy 62 363 Comment
  UCSB5126  Loeseliastrum schottii Kamb, Peter 1948-4-11 Riverside Aqueduct Road; 5 mi east of Garnet, Coachella Valley 304 Comment
  RSA468346  Loeseliastrum schottii Miss Hutchinson 1926-3-1 s.n. Riverside Colorado Desert. [county unspecified] Comment
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Sep 7 2016
  SD258330  Logfia depressa J. M. Andre, Glenn Clifton, Ron Kelley 2013-3-21 24388 Riverside Grommet; West Riverside Mountains; at base NW corner of corner range where sand ramps run up against granitic bouldery slopes, about 10 mi SW of Vidal Jct, 3 mi south of Grommet RR xing at Hwy 62 363 Comment
  RSA0121171  Logfia filaginoides Duncan S. Bell, LeRoy Gross 2016-3-30 9179 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  UCR83196  Logfia filaginoides A. C. Sanders 1994-5-15 14487 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  UCR91674  Logfia filaginoides Steve Boyd 1995-4-5 8423 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; northern flank of Agua Tibia Mtn. at the E edge of Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary 610 Comment
  UCR90342  Logfia gallica Scott D. White 1995-6-30 3439 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  SEINET1869744 Image available Lolium multiflorum Walter Graves 2002-1 602 -4 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields. 305 Comment
  RSA751634  Lomatium dasycarpum subsp. dasycarpum G. Gust, L. Nye 2005-3-11 548 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  RSA557890  Lomatium lucidum Steve Boyd, Orlando Mistretta 1992-4-22 7004 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  UCR115430  Lomatium lucidum Scott D. White, D. E. Bramlet 1999-4-22 7245 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR6041  Lomatium mohavense Leland E. Francois 1966-4-23 42366- 9 Riverside Mojave Desert, Joshua Tree National Monument [now J.T. National Park], south edge of Ryan Mountain Campground 1300 Comment
  RSA97436  Lomatium vaginatum F. W. Peirson 1922-4-29 2932 Riverside South of Lake Elsinore. 381 Comment
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Dec 8 2013
  UCR104803  Lonicera interrupta A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20678 Riverside San Jacinto Mountains, N side of the range, 0.2 mi. north of Twin Pines Ranch Road on the dirt road to Brown Creek and Cabazon 1098 Comment
  UCR133433  Lonicera interrupta Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 448 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR282416  Lonicera interrupta Mitch Provance 2009-7-1 709- 02 Riverside Badlands of Western Riverside County, San Timoteo Canyon, just south of San Timoteo Canyon Rd. along paved access road to the El Casco Substation 616 Comment
  SDSU2947  Lonicera subspicata Charles F. Phleger 1962-5-23 Riverside Land owned by the Schloss Foundation about 25 miles north of Escondido. Comment
  UCR89901  Lonicera subspicata A. C. Sanders 1995-11-26 17910 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  RSA388333  Lonicera subspicata var. denudata Steve Boyd 1986-5-7 1831 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  SDSU13581  Lonicera subspicata var. denudata W. Miller with C. Mosse 1972-7-20 Riverside Comment
  UC534840  Lonicera subspicata var. denudata Victor Duran 1933-7-2 3496 Riverside Vandeventer Flat Santa Rosa Mts. 1524 Comment
  SD133130  Lonicera subspicata var. johnstonii Scott White 1991-5-13 91 104 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 550 Comment
  SEINET4604437 Image available Lophocereus schottii Marc A. Baker, Michelle Cloud-Hughes, Tim Thomas, and Alice Karl 2013-9-26 17802 Riverside Chuckwalla Mountains, south side of Corn Springs Wash, 600m ESE of Corn Spring, 12.2 km SE of Desert Center, 70km west of Blythe 480 Comment
  CLARK-A1528-481  Lotus argophyllus Charlotte Stocks 1964-6-12 Riverside Whitewater Canyon Comment
  RSA586095  Lotus hamatus D. L. Banks, S. D. Boyd 1995-4-5 0136 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, E of the Dripping Springs Trail, in the N flowing drainage that empties into Arroyo Seco. 610 Comment
  RSA715760  Lotus hamatus A. C. Sanders 2005-4-22 29601 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  UCR154821  Lotus hamatus A. C. Sanders, Mike Misenhelter 2005-3-23 29285 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  JEPS55490  Lotus heermannii W. L. Jepson May 17 1901-Jun 1 1901 1255 Riverside e of Florida; San Jacinto River Comment
  RSA740073  Lotus purshianus Scott D. White, Justin M. Wood 2008-6-16 12136 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  UCR92078  Lotus purshianus Scott D. White 1995-8-23 3587 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  SEINET8721510 Image available Lotus rigidus Lewis S. Rose 1938-1 38336 Riverside 15 mi. sw. of Cathedral City. Palms to Pines Highway, San Jacinto Mts. 671 Comment
  RSA639647  Lotus salsuginosus var. brevivexillus Robert F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52027 Riverside Chino Canyon. Comment
  RSA629027  Lotus salsuginosus var. salsuginosus Scott D. White 1998-6-28 6791 Riverside Corona: River Road bridge over the Santa Ana River. 159 Comment
  CSUSB1256  Lotus scoparius Shirley Hill 1963-3-30 630330 2 Riverside Road past old resevoir on UCR (University of California Riverside) campus about 10 yards downhill from turnaround Comment
  SEINET10970186  Lotus scoparius David B. Dunn 1948-1-25 Dunn 3645 Riverside Found in ravine ne of the top of the grade e of riverside, about 5 mi out. Comment
  UCR137561  Lotus scoparius subsp. brevialatus A. C. Sanders 2004-5-5 27760 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
  UCR155298  Lotus scoparius var. brevialatus T. B. Salvato, Kent Beaman 2005-5-16 793 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
  CLARK-A1528-2808  Lotus strigosus John C. Roos 1954-5-15 6120 Riverside Reche Canyon 731 Comment
  RSA519267  Lotus strigosus 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
  UCR177861  Lotus strigosus Marisa Sripracha, K. A. Boyd 2004-3-21 043 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UCR250199  Lotus strigosus A. C. Sanders 2014-4-23 41044 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15 and east of Black Powder Rd. 384 Comment
  POM49155  Lotus strigosus var. hirtellus P. A. Munz 1924-5-18 8134 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  HSC87268  Lotus strigosus var. tomentellus David Charlton 1988-2-18 1178 Riverside S side of Little San Bernardino Mtns., Fargo Canyon Rd. to Cottonwood Wash, S of Joshua Tree National Park, parallel to Hwy. 10, 5 mi. E of the jct. of Dillon Rd. and Fargo Canyon Rd. 762 Comment
  UCR214161  Lotus strigosus var. tomentellus T. B. Salvato 2010-4-20 4061 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  RSA697979  Lotus subpinnatus J. R. Bruff 1928-4-2 89 Riverside Whitewater. Comment
  CSUSB1241  Lotus tomentellus Kirby W. Brown 1966-3-10 Riverside Highway 111, 8.4 miles northwest of Palm Springs 304 Comment
  RSA444319  Lotus tomentellus Walter Wisura 1988-3-1 4188 Riverside In wash off I 10 at beginning of Box Canyon Road toward Mecca. Comment
  RSA704539  Lotus tomentellus LeRoy Gross 2005-3-3 1583 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  POM250347  Lotus unifoliolatus I. W. Clokey 1935-8-21 6720 Riverside Hemet Lake 1030 Comment
  RSA525455  Lotus wrangelianus Steve Boyd, David E. Bramlet 1990-4-29 4500 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  RSA413539  Lupinus N. C. Cooper 1949-4-9 3344 Riverside North of Blythe. 244 Comment
  POM349942  Lupinus arizonicus J. Jones, Christopher Davidson 1980-4-4 9951 Riverside West end of the Orocopia Mtns. in a small canyon and wash almost due south of Oro peak. 518 Comment
  RSA517836  Lupinus arizonicus Steve Boyd, Orlando Mistretta 1986-3-13 1463 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA692204  Lupinus arizonicus Scott D. White, Michael Honer 2003-5-14 9285 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 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
  UCR58340  Lupinus bicolor Jeri Hirshberg 1989-4-4 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, and SW of Mesa de Burro 610 Comment
  RSA594125  Lupinus bicolor subsp. microphyllus D. L. Banks, Victor W. Steinmann 1996-4-20 0894 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 536 Comment
  UC15833  Lupinus concinnus Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  UCR97493  Lupinus concinnus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19883 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  POM2536  Lupinus concinnus subsp. optatus H. M. Hall 1901-06 2067 Riverside South side of San Jacinto Mountains 1646 Comment
  SEINET10485122  Lupinus concinnus subsp. orcuttii Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 Holmgren 6463 Riverside Rice valley, 7 mi. Ssw of rice. T2s, r20e, sec 21. Sand dunes; frequent. 274 Comment
  SBBG94915  Lupinus excubitus E. LaRue 1990-4-10 Riverside midway between Pauba Valley and Wolf Valley; 0.5 mi N of Pechanga Indian Reservation 365 Comment
  POM11288  Lupinus excubitus var. austromontanus Philip A. Munz 1922-6-26 5831 Riverside Below Santa Rosa. 1829 Comment
  SEINET3208894  Lupinus excubitus var. austromontanus G. Goodwin 2012-6-14 3449 Riverside San Jacinto Mountains, south of Banning along highway 243 just north of Vista Grande viewpoint 1550 Comment
  SEINET10838184  Lupinus excubitus var. austromontanus David Charlton 1988-5-28 Charlton 2120 Riverside Santa rosa mtns., S of hwy. 74 Dirt road to toro and santa rosa peaks. Yellow Pine forest with: pinus jefferyi, calocedrus decurrens, abies concolor, and Montane chaparral elements. Rocky hills with gray colored soils form decomposed Granite. Toro camp area, w-facing slopes; fairly common purple-flowered 1' Perennial in hot area 2286 Comment
  RSA413601  Lupinus excubitus var. hallii E. Crow 1929-3-17 205 Riverside Glen Ivy Hot Springs, Santa Ana Mts, Comment
  RSA586106  Lupinus excubitus var. hallii D. L. Banks, S. D. Boyd 1995-4-5 0146 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, W of the Dripping Springs Trail, on alluvial terraces of the W fork of Arroyo Seco. 3 573 Comment
  SD255740  Lupinus formosus Mitch Provance 2012-5-24 512 19 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 868 Comment
  RSA413762  Lupinus longifolius Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  JOTR29606  Lupinus sparsiflorus Andre, Jim 2006-4-26 6763 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  RSA0028835  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55500 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA414815  Lupinus sparsiflorus subsp. sparsiflorus Richard C. Barkelew, Mark Morris 1929-3-10 s.n. Riverside Indian Canyon , San Jacinto Mts Comment
  RSA49174  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz 1949-4-13 13060 Riverside Cottonwood Springs, west end of Eagle Mountains 1143 Comment
  UC1537131  Lupinus succulentus Gordon H. True Jr. 1935-4-5 211 Riverside near Gavilan Peak Gavilan Hills; , Gavilan Hills 640 Comment
  UC665740  Lupinus truncatus Ira L. Wiggins 1941-3-27 9693 Riverside slopes 4 mi n Whitewater; n of Whitewater Comment
  UCR93022  Lupinus truncatus G. P. Schultz 1994-4-7 s.n. Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  JOTR35141  Lycium andersonii La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3253 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash (Stop 3) Comment
  UC111152  Lycium andersonii F. M. Reed 1907-2-12 1203 Riverside Arroyo Tequesquite Comment
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Jul 30 2006
  UC140137  Lycium andersonii C. F. Baker 1904-4-4 4145 Riverside Elsinore Comment
  UC1563047  Lycium andersonii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-4-2 3225 Riverside sandstone ridge between Kolb Creek and Temecula Creek (forming peninsula at sw end of Vail Lake, ne end of peninsula); Vail Lake Area Comment
  JOTR30955  Lycium cooperi La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1930 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  UC495290  Lycium cooperi C. L. Hitchcock 1932-4-8 12217 Riverside 1 mi w Cottonwood Comment
  SEINET10738807  Lythrum californicum J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12838 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  UCR87850  Lythrum californicum Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  UCR234801  Lythrum hyssopifolia Jeremiah George 2012-6-14 s.n. Riverside San Gorgonio Pass Region, Beaumont, just south of West 4th St. at end of small paved spur road, area boxed in by commercial development 772 Comment
  UCR106356  Machaeranthera canescens subsp. canescens John Wear, Nathan Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UC1122021  Malacothamnus fasciculatus A. Lewis 1932-1-26 141 Riverside Cactus Valley 487 Comment
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Mar 20 2011
  UCR231744  Malacothamnus fasciculatus John F. Green 2008-4-23 08- 11 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  RSA0087582  Malacothamnus fasciculatus Edmund C. Jaeger 1949-7-25 s.n. Riverside North side Santa Rosa Mountain. 1646 Comment
  RSA0087584  Malacothamnus fasciculatus R. S. Woglum 1937-10-20 1192 Riverside Santa Rosa Mts. 1524 Comment
  UCR34956  Malacothrix clevelandii L. B. Ziegler 1972-5-30 471 Riverside San Jacinto Mtns., alongside Hwy 74 1341 Comment
  POM362311  Malacothrix glabrata N. C. Cooper 1944-4-21 1154 Riverside Banning 701 Comment
  UC63104  Malacothrix glabrata H. M. Hall May, 1901 Riverside vicinity Riverside; West Riverside Comment
  UCD134419  Malacothrix glabrata Geoffrey Levin 1975-4-26 489 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. 335 Comment
  UC1130508  Malosma laurina A. Lewis Feb 1934 265 Riverside 3 mi. e. Auburndale; Corona Quad. 91 Comment
  SEINET7048009  Malva parviflora Steven R. Hill, Kate Kramer 2001-4-27 33476 Riverside Cabazon, Morongo Indian Reservation, at Hadley's Orchard Store, junction of Apache Trail and Seminole Drive, north of Route I-10, Apache Trail Exit, 4 miles east of Banning. Elevation about 1837 feet. Comment
  UCR25194  Malva parviflora John C. Roos, L. Roos 1951-5-5 5034 Riverside Fairmont Park. 274 Comment
  RSA772120  Marah macrocarpa Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4837 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
  UCR132423  Marah macrocarpa A. C. Sanders 2004-2-6 27380 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon at head of small nameless canyon on south side of ridge 427 Comment
  UCR216399  Marah macrocarpa var. macrocarpa Mike Bell 2008-3-30 026 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  POM128975  Marina parryi Childs 1920-12-1 s.n. Riverside Martinez Canyon, Santa Rosa Mts, Colorado Desert Comment
  RSA698735  Marina parryi W. Marquart 1938-3-12 s.n. Riverside 10 miles west of Blythe. Comment
  SD125954  Marina parryi B. Pitzer 1988-3-10 646 Riverside West side of Chuckwalla Mountains, on gas line road, ca., 1.5 mile north of intersection with Red Cloud Mine Road. 487 Comment
  RSA91429  Marina parryi F. W. Peirson 1921-3-23 2383 Riverside Deep Canyon Wash, 12 miles southeast of Palm Spring 229 Comment
  CLARK-A1528-1322  Marrubium vulgare Charles S. Papp 1964-5-3 458 Riverside Riverside Comment
  UCR92166  Marrubium vulgare D. L. Banks, Steve Boyd 1995-5-3 0230 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  UCR216239  Matricaria discoidea Mike Bell 2008-4-27 012 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 557 Comment
  RSA747965  Matricaria occidentalis Justin M. Wood 2009-5-15 712 Riverside Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  CAS-BOT-BC422725  Meconella denticulata John Thomas Howell 1931-5-30 6594 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  RSA586924  Medicago polymorpha D. L. Banks, S. D. Boyd 1995-5-3 0259 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA708071  Medicago polymorpha Scott D. White, Angelia Carey 2004-4-16 10176 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  CSUSB1096  Medicago sativa Holzmiller 1966-4-26 Riverside roadside of highway 395 304 Comment
  CAS-BOT-BC47745  Melia azedarach A. C. Sanders 1997-5-1 20616 Riverside Lake Skinner area: old house site at gated road junction into Shipley Reserve area 457 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
  SD161026  Melica frutescens Virginia Moran 2003-5-28 Riverside Perris-Aguanga Region, Wilson Valley Mitigation Bank, on Wilson Valley Road Comment
  SDSU17522  Melica frutescens Jerry Jenkins 2001 -035 Riverside Santa Margarita Ecological Reserve. West shore of S.M. river, on granite bluffs. UTM zone 6, 481900E, 3699850N. UTM transfered to GIS. 165 Comment
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Aug 11 2017
  CLARK-A1528-5188  Melica imperfecta John C. Roos 1950-4-29 4771 Riverside Box Springs Mountains 609 Comment
  UC818873  Melica imperfecta P. A. Munz and I. M. Johnston 1922-5-21 5500 Riverside near Kenworthy (Hemet Valley); San Jacinto Mts., Hemet Valley 1402 Comment
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Mar 25 2011
  UCR121175  Melica imperfecta D. E. Bramlet 1990-4-27 1992 Riverside Peninsular Range, Ridgeline 2100-2500 ft. (c. 0.4 mi.) NE of knoll '2502,' and 1200-1500 ft. (~ 0.21 mi.) west of Rawson Canyon 671 Comment
  UCR155327  Melica imperfecta A. C. Sanders, Mike Misenhelter 2005-3-23 29259 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  SDSU12980  Melilotus albus Michael G. Simpson with Claudia A. Luke 1999-10-27 2018 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/4 mile from Southside Facilities. 152 Comment
  RSA509551  Melilotus indicus Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd and Mockingbird Canyon Road. 366 Comment
  JOTR16750  Menodora scoparia Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. ROAD TO PROSPECT, 1/2 MILE WEST OF SPLIT ROCK 1341 Comment
  UCR251994  Mentzelia A. C. Sanders, T. B. Salvato 2014-7-2 41158 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCR245967  Mentzelia albicaulis Duncan S. Bell 2009-3-9 116 Riverside Arica Mountains, east side of the range, west side of Rice Valley, c. 2.7 air miles NE of Priest Well, or c. 3.3 air miles SE of ghost town of Rice 244 Comment
  POM15052  Mentzelia dispersa Mary F. Spencer 1922-6-26 1233 Riverside Idyllwild. San Jacinto Mts. 1707 Comment
  RSA618411  Mentzelia dispersa D. L. Banks 1997-5-5 1965 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
  JEPS20770  Mentzelia involucrata Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13257 Riverside 2.3 mi above Midland P.O. (U.S. gypsum mine property.); Little Maria Mts. Comment
  POM306693  Mentzelia involucrata Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1689 Riverside Near Desert Center-Indio. Comment
  RSA440409  Mentzelia involucrata Christopher Davidson 1979-4-4 7709 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  RSA701220  Mentzelia involucrata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11276 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  SD260066  Mentzelia involucrata J. Andre 2012-4-11 20787 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Train), 34 mi. south of Hwy 62 at 29 Palms. Interface of steep rocky hills and large wash. 729 Comment
  UC1004771  Mentzelia involucrata E. C. Jaeger 1939-12-29 Riverside 5 m e Indio (Eytel Canyon branching from Fargo Canyon) 243 Comment
  UCR124003  Mentzelia involucrata George K. Helmkamp, E. A. Helmkamp 2001-4-14 6467 Riverside Coachella Valley, Indio Hills, 1.4 mi north of Ramon Rd on Avita Rd (Avita is 2.8 mi east of I-10) 46 Comment
  UCR148479  Mentzelia involucrata John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR75048  Mentzelia involucrata A. C. Sanders, E. J. Lawlor 1992-4-4 12102 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  CSUSB971  Mentzelia involucrata var. megalantha Bruce Freeman 1968-5-4 680504 5 Riverside Whitewater Canyon, 1 mile south of point where road crosses river. 487 Comment
  POM14258  Mentzelia involucrata var. megalantha P. A. Munz, D. D. Keck 1922-4-9 4914 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  RSA457790  Mentzelia involucrata var. megalantha Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2208 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  RSA583738  Mentzelia micrantha Steve Boyd 1995-4-24 8493 Riverside Palomar Range, Agua Tibia Wilderness Area, northeastern base of Wildhorse Peak, west of Devil's Hole, along the Wildhorse Trail near the rounded gabbro peak known as ''Agua''. 762 Comment
  SEINET3005061  Mentzelia multiflora subsp. longiloba G. Rink 2011-4-29 10499 Riverside Campus of Palo Verde College, near Blythe 118 Comment
  UCR217636  Microseris douglasii subsp. platycarpha John Dvorak, Karyn L. Drennen 2010-4-15 01 Riverside Perris-Aguanga Basin, 1.8km southeast of La Sierra Ave/ Cajalco Rd intersection, 400m south of Cajalco Rd. and 142m north of an old dirt road 438 Comment
  UCR169465  Microseris heterocarpa John F. Green 2005-4-28 s.n. Riverside Peninsular Range; Southern Santa Ana Mtns., Santa Rosa Plateau, hills on the south side of Tenaja Rd., between Squaw Mtn. and DeLuz Creek 655 Comment
  UCR182514  Microseris heterocarpa Mitch Provance 2005-5-17 6596 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
  RSA741551  Microseris lindleyi Scott D. White, Justin M. Wood 2008-6-16 12117 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  CLARK-A1528-5242  Microseris linearifolia John C. Roos 1950-4-5 4721 Riverside Pigeon Pass 426 Comment
  LA209130  Mimulus aurantiacus var. puniceus W. E. Pequegnat; 1939-4-8 43 a Riverside Santa Ana Mts Comment
  RSA442712  Mimulus aurantiacus var. puniceus N. C. Cooper 1949-3-18 3161 Riverside Elsinore. 244 Comment
  UC943923  Mimulus aurantiacus var. puniceus H. E. McMinn, M. Van Rensselaer 1945-6-7 1890 B Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 792 Comment
  POM98001  Mimulus bigelovii var. bigelovii E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mts, eastern Riverside Co. 610 Comment
  RSA525674  Mimulus brevipes Steve Boyd 1990-5-3 4545 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UCR202240  Mimulus brevipes 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
  UCR80817  Mimulus brevipes Scott D. White 1993-5-29 1461 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  UCR21945  Mimulus floribundus Steve Boyd 1980-5-3 186 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR110924  Mimulus fremontii A. C. Sanders, Mitch Provance 1998-6-18 21985 Riverside Peninsular Range; San Jacinto Mtns., along Hwy 243 between Pine Cove and Stone Creek, c. 1 km north of Pine Cove 1860 Comment
  JEPS26106  Mimulus fremontii var. fremontii Peter H. Raven 1958-5-17 12946 Riverside 7.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  UCR26638  Mimulus fremontii var. fremontii E. W. Lathrop 1966-5-29 6375 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  UC922769  Mimulus guttatus Annie M. Alexander and Louise Kellogg 1940-3-21 886 Riverside 20 mi s Twenty Nine Palms (at base of Barker Dam); Mohave Desert 1322 Comment
  UCR137034  Mimulus guttatus A. C. Sanders 2004-5-5 27781 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
  UC26999  Mimulus nasutus H. M. Hall June 1901 2190 Riverside s side San Jacinto Mountains 1371 Comment
  RSA586948  Mimulus pilosus D. L. Banks, S. D. Boyd 1995-5-30 477 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N Flank of Agua Tibia Mountain, along the Dripping Springs Trail; at first saddle area in section 34, NNE of the two peaks of Agua Tibia Mountain. 963 Comment
  CAS-BOT-BC9540  Mimulus rubellus H. M. Hall 1900-6-1 1458 Riverside Lytle Creek Canyon, San Antonio Mountains 1828 Comment
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May 11 2019
  HSC85247  Minuartia douglasii Steve Boyd 1986-4-20 1724 Riverside Harford Springs County Park, S end the park Comment
  JOTR32838  Mirabilis albida La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1548 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
  SEINET10622384  Mirabilis californica Greg Gust, Leith Nye 2005-3-11 Gust 545 Riverside Lake Elsinore City Limits. Hwy 74 ca. 2 mile W of Lake Elsinore on hill slope pullout. 691 Comment
  UCR133959  Mirabilis californica Mitch Provance, J. S. Ross 1998-3-27 MOR- 981 Riverside San Bernardino Mtns., Morongo Indian Reservation, road 5501 towards Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 671 Comment
  SFV11872  Mirabilis laevis R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  CAS-BOT-BC434679  Mirabilis laevis var. crassifolia Frank W. Gould 1943-4-17 2120 Riverside 12 miles south of Corona. Comment
  RSA614675  Mirabilis laevis var. crassifolia Scott D. White 1993-3-12 1163 Riverside Near Winchester. Comment
  UCR194238  Mirabilis laevis var. crassifolia Mitch Provance, Michael L. Fugate 2005-4-14 10055 Riverside San Bernardino Valley, near the water tanks just E of Versity Hill, or what is known locally as Coyote Hill (pk 1386), a few hundred yards SSE of the UCR Campus 396 Comment
  POM9665  Mirabilis laevis var. crassifolia P. A. Munz, R. D. Harwood 1920-2-28 3256 Riverside 3 miles west of Corona. 305 Comment
  CAS-BOT-BC434825  Mirabilis laevis var. retrorsa Javier Penalosa 1963-4-11 2812 Riverside Pines-to-Palms Highway (#74) above Palm Desert. 762 Comment
  RSA464833  Mirabilis laevis var. retrorsa Bonnie C. Templeton, I. W. Clokey 1930-4-9 1012 Riverside North of Palm Springs. Colorado desert. 400 Comment
  UCD98205  Mirabilis laevis var. villosa Anne Harrison 1962-4-17 23 Riverside On White-water Canyon Road north of U.S. Highway 60, 0.25 mile south of trout farm where road crosses Whitewater River. Comment
  UCR77587  Mirabilis multiflora var. pubescens Steve Boyd 1991-9-8 6434 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  RSA0104947  Mirabilis tenuiloba Duncan S. Bell, Evan Meyer 2014-10-29 7675 Riverside Santa Rosa Mountains; around the mouth of Martinez Canyon, about 3.5 air miles southwest of Valerie. 169 Comment
  RSA69472  Mirabilis tenuiloba F. W. Peirson 1922-4-11 2917 Riverside Deep Canyon Wash, Colorado Desert. 274 Comment
  UCR12145  Mirabilis tenuiloba Art Whistler 1966-4-24 s.n. Riverside Western Colorado Desert, Deep Canyon Comment
  RSA80248  Mohavea confertiflora F. W. Peirson 1917-4-1 1102 Riverside Along south edge of Colorado Desert embayment east of Palm Springs, above ''Garden of Eden'. Comment
  UCSC001507  Monardella lanceolata Peter Kamb 1948-10-21 1272 Riverside San Jacinto Mts., Hall Canyon 1646 Comment
  UC1499932  Monardella nana E. McClintock, H. Lewis 1941-6-29 78 Riverside Santa Rosa Mt. road, 2.3 mi beyond canyon where stream crosses road Comment
  UC2035998  Monardella nana C. Epling, L. Haines 1937-5-7 Riverside Pinyon Flats Palms to Pines Highway Comment
  SEINET2442172  Monardella nana subsp. arida Unknownnown 1941-6-29 79 Riverside Road up Santa Rosa Mt. 41/2 miles beyond canyon where stream crosses road. Comment
  UCR221486  Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-6-29 075 Riverside Peninsular Range; Santa Rosa Mtns., road up Santa Rosa Mountain, 4.5 miles above Pines to Palms Highway, in canyon where stream crosses road 1875 Comment
  RSA750301  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 114 Riverside San Jacinto Mts. On slope south of Strawberry Creek, and west of Domengonio Flats. Comment
  RSA767766  Monardella nana subsp. tenuiflora Elizabeth McClintock 1940-6-30 23 Riverside Fuller Mill Creek Camp, on the Banning-Idyllwild road Comment
  GMDRC3510  Monardella robisonii T. La Doux, J. Andre 2008-9-16 349 Riverside Little San Bernardino Mountains: Joshua Tree National Park: among boulders on NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad 34 deg. .534' N 116 deg. 3.098' W. Elev. 4354 ft. 1327 Comment
  UC68566  Monolepis nuttalliana H. M. Hall Apr., 1905 5750 Riverside vicinity of Riverside (Box Springs Grade) 457 Comment
  UCR87115  Monolepis nuttalliana Steve Boyd, D. E. Bramlet 1991-5-13 6258 Riverside San Jacinto Valley, San Jacinto River at Ramona Expressway near Lakeview Hotsprings Comment
  POM363580  Monoptilon bellioides N. C. Cooper 1949-4-8 3301 Riverside Desert Center. 610 Comment
  POM263464  Muhlenbergia californica J. C. Roos 1937-8-23 467 Riverside Snow Creek, north base of Mt. San Jacinto. Comment
  RSA719521  Muhlenbergia filiformis Naomi Fraga, et al. 2006-7-11 1716 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  CAS-BOT-BC275251  Muhlenbergia microsperma Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-21 6436 Riverside Big Maria Mountains, 12 airline miles N of downtown Blythe 289 Comment
  CLARK-A1528-4753  Muhlenbergia microsperma John C. Roos 1966-4-29 Riverside Perris Valley Comment
  GMDRC2030  Muhlenbergia microsperma J. Andre 2006-4-6 6688 Riverside Little San Bernardino Mountains: Wilson Canyon, JTNP: along Pinto Basin Rd in Wilson Canyon, growing on banks of large wash. Elev. 2841 ft. 866 Comment
  SD124758  Muhlenbergia microsperma F. M. Reed 1920-1-25 4155 Riverside Box Springs Mts. Riverside 579 Comment
  UCR2584  Muhlenbergia microsperma F. M. Reed 1920-1-25 4155 Riverside Riverside, Box Springs Mtns. 579 Comment
  RSA403609  Muhlenbergia richardsonis Anstruther Davidson 1876-7-11 s.n. Riverside Top of Mount Jacinto Comment
  UC39893  Muhlenbergia richardsonis H. M. Hall Jul 1 1901-Aug 1 1901 2477 Riverside Tamarack Valley San Jacinto Mountains 2804 Comment
  UCR24959  Muhlenbergia richardsonis A. C. Sanders 1980-8-23 1763 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  POM13204  Muilla maritima Philip A. Munz, I. M. Johnston 1922-5-20 5465 Riverside Kenworthy, San Jacinto Mountains 1433 Comment
  UCR208174  Muilla maritima F. W. Peirson 1922-4-29 2942 Riverside Perris-Aguanga Region, 2 miles south of Lake Elsinore along boulevard 366 Comment
  UCR280981  Myosurus minimus var. apus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 82 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  UCR281283  Myosurus minimus var. apus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 16 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  RSA421116  Nama demissa Robert L. Dressler 1949-3-19 365 Riverside Box Canyon, Orocopia Mts. Comment
  JOTR32161  Nama demissa var. demissa La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2313 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  POM14039  Nama hispida var. spathulata P. A. Munz, D. D. Keck 1922-4-8 4740 Riverside Mecca, Colorado desert. -30 Comment
  UCR228197  Nama hispida var. spathulata Dave Silverman, Onkar Singh 2010-3-26 7839 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, 1.6 km east of Black Creek Rd, 4.9 km west of McCoy Wash, and 8.6 km north of I-10 149 Comment
  RSA494634  Nassella cernua Maureen H. Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  RSA714958  Nassella lepida Sarah J. De Groot, Beth Kempton 2006-3-16 5210 Riverside San Jacinto Mountains: Dirt road heading east from Castille Canyon Road toward Indian Creek, west of Poppet Flat. 658 Comment
  RSA562482  Nassella pulchra Steve Boyd, Timothy S. Ross 1992-5-5 7254 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
  UCD87689  Nassella pulchra Scott D. White; Michael Honer 2004-4-6 10060 Riverside Perris/Elsinore Basins. Temescal Valley, just north of the I-15 freeway and east of Indian Truck Trail, south and est of Lee Lake. 335 Comment
  POM220131  Navarretia atractyloides F. M. Reed 1932-6-20 7239 Riverside Dry roadside opposite Prison Camp at Dripping Springs - road from Temecula to Aguanga. Comment
  RSA550480  Navarretia fossalis D. E. Bramlet 1992-5-8 2269 Riverside The site is approximatly 8 km south west of Hemet. The vernal pools are located northwest of the intersection California and Stowe Rd. The pools are located some 5-500 ft. N of Stowe Rd and some 20-700 ft. west of Califronia Ave. 465 Comment
  UC718523  Navarretia hamata subsp. hamata Carl B. Wolf 1936-6-17 Riverside 1.4 mi off Ortega Highway (Tenaja Road, on road to La Cienega); Santa Ana Mts. 609 Comment
Read comments
Sep 24 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
  UCR18148  Nemacaulis denudata var. gracilis A. C. Sanders 1978-4-2 565 Riverside Coachella Valley, Indian Wells; growing in the sand dunes at the intersection of Bay Club Drive and Highway 111 30 Comment
  UCR279583  Nemacladus A. C. Sanders, Jim Malusa 2017-3-28 43147 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
  SEINET10458391  Nemacladus longiflorus Barbara J. Ertter, Jeffrey Strachen 1979-6-26 Ertter 2976 Riverside Kenworthy Forest Station on Rt. 74 in Garner Valley, San Jacinto Mountains. T6N R3E Sec. 25 Comment
  SEINET10458397  Nemacladus longiflorus Philip A. Munz 1922-4-28 Munz 5024 Riverside Temescal Canyou Comment
  UC29161  Nemacladus longiflorus var. longiflorus H. M. Hall Jun 1901 2047 Riverside vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  RSA586736  Nemacladus pinnatifidus D. L. Banks, S. D. Boyd 1995-5-17 0459 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  SD46094  Nemacladus tenuis var. aliformis Herbert L. Mason 1952-4-7 14211 Riverside Palm Springs, Palm Canyon Comment
  RSA75150  Nemacladus tenuis var. tenuis H. K. Wagnon 1944-5-20 387 Riverside Tachevah canyon, Palm Springs. Comment
  POM258226  Nemophila menziesii Lester Rowntree 1941-3-26 s.n. Riverside Soboba Springs. Comment
  RSA191997  Nemophila menziesii E. W. Lathrop 1960-3-25 4685 Riverside 14 miles west of Murrieta. Comment
  UCR163358  Nemophila menziesii O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  UCR249816  Nemophila menziesii T. B. Salvato, John Lovio 2013-3-19 7350 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  UCR91858  Nemophila menziesii A. C. Sanders, S. Hawkins 1996-4-24 18073 Riverside San Bernardino Mtns, Morongo Indian Reservation, along dirt road in Hathaway Canyon, near Burro Flats 1159 Comment
  JEPS1891  Nemophila menziesii var. integrifolia W. L. Jepson May 17 1901-June 1, 1901 1288 Riverside Strawberry Valley 1828 Comment
  UCR16823  Nemophila menziesii var. integrifolia S. Nelson 1974-5-2 2 Riverside San Bernardino Mtns., Banning Canyon 1524 Comment
  SEINET7063430  Nemophila menziesii var. menziesii A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage on East Benton Road. UTM Zone 11, 499198mE, 3715007mN. (WGS84/NAD83). 549 Comment
  RSA0060575  Nicotiana glauca Bob Rogers 1984-4-14 1 Riverside Collected in the San Jacinto river-bed on the North side of Highway 74, 0.5 miles past Cranston ranger station going East from Hemet towards Mountain Center. 610 Comment
  RSA621469  Nicotiana glauca D. L. Banks, Elizabeth H. Banks, Dawn Rodriguez, Edward Rodriguez 1997-6-20 2168 Riverside NW Palomar Mountains, Agua Tibia Mountains: West of Vail lake at the intersection on Pauba Road and Los Caballos Road. 372 Comment
  RSA450077  Nicotiana obtusifolia J. C. Roos 1966-2-5 s.n. Riverside Pushawalla Wash near 1000 Palms, Indio Hills. Comment
  UCD126749  Nicotiana obtusifolia Lewis S. Rose 1967-12-19 67182 Riverside La Quinta. 15 Comment
  UCR116679  Nicotiana quadrivalvis A. C. Sanders, Chet McGaugh 2001-7-26 24471 Riverside Perris-Aguanga Basin region, Mockingbird Creek, beside Harley John Rd. just above Mockingbird Canyon Rd., Woodcrest area, Riverside 427 Comment
  UCR212972  Nicotiana quadrivalvis Justin M. Wood, Brandy N. Wood 2009-7-4 1044 Riverside San Bernardino Valley, Riverside Flood Control Basin, southwest corner of Patton Road and Wineville Road, immediately south of San Bernardino County Line 256 Comment
  UCSB859  Nolina parryi Ralph, F. 1959-5-17 Riverside Across Hwy, 74 from Pinon Flats Campground about 15.1 miles south of Palm Desert City Limits 1219 Comment
  CLARK-A1528-3582  Notholaena newberryi John C. Roos 1937-5-2 1412 Riverside La Sierra Comment
  OBI7134  Nymphaea alba Pam Wolf 1976-5-29 197 Riverside Pond at Fairmont Park 457 Comment
  RSA785417  Oenothera abramsii Keith E. Hoffmaster 1937-3-16 741 Riverside Near Palm Springs Station Comment
  UC604974  Oenothera californica subsp. californica Roxana S. Ferris and Ruth P. Rossbach 1938-5-20 9666 Riverside between Riverside and Ontario Comment
  CLARK-A1528-670  Oenothera deltoides Charlotte Stocks 1962-5-18 Riverside Coachella Valley Comment
  UCR214560  Oenothera deltoides A. C. Sanders 2010-3-15 37412 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
  POM355587  Oenothera deltoides subsp. deltoides Malcolm M. Rice 1922-5-5 s.n. Riverside Colorado Desert; White Water. Comment
  RSA734944  Oenothera scapoidea W. Marquart 1938-3-12 s.n. Riverside 10 mi. W. of Desert Center. Comment
  HSC86975  Oligomeris linifolia David Charlton 1988-2-18 1179 Riverside S side of Little San Bernardino Mtns., Fargo Canyon Rd. to Cottonwood Wash, S of Joshua Tree National Park, parallel to Hwy. 10, 5 mi. E of the jct. of Dillon Rd. and Fargo Canyon Rd. 762 Comment
  UC165053  Olneya tesota S. B. Parish 1912-6-28 8123 Riverside Mecca; Salton Basin Comment
  CDA34502  Oncosiphon piluliferum Mike Lahti 2011-5-5 PDR# 1357877 Riverside Sun City: Alta Vista Nursery on Sherman Road, near McLaughlin Road. 0 Comment
  RSA781254  Oncosiphon piluliferum A. C. Sanders 2011-3-30 38906 Riverside city of Lake Elsinore, along north edge of Hwy 74 at and above Trellis Lane 457 Comment
  UC1929313  Oncosiphon piluliferum Scott D. White, Justin Wood 2008-5-1 11925 Riverside Perris Basin; I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  UCR241412  Oncosiphon piluliferum T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7440 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  POM316443  Opuntia basilaris Mark Parratt 1962-2-24 116 Riverside 7-8 miles up state Hwy 74 from Palm Desert. 701 Comment
  CAS-BOT-BC58052  Opuntia basilaris var. basilaris Catherine A. Toschi 1963-4-12 63 :128 Riverside Field redacted by CAS, contact the data manager for more information 304 Comment
  UCR257140  Opuntia californica A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24940 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR112488  Opuntia microdasys A. C. Sanders, T. B. Salvato 2000-5-30 23438 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
  POM274017  Opuntia parryi Lyman Benson 1933-3-31 4148 Riverside US 66 [actually US 60], 10 mi E of Banning. 457 Comment
  UCR133408  Opuntia parryi Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 326 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  RSA5416  Opuntia ramosissima C. B. Wolf 1932-10-12 4290 Riverside Colorado Desert. 4.5 miles from 29 Palms on road to Mecca. Comment
  SBBG60650  Oreostemma alpigenum var. andersonii R. Hoffmann 1929-9-5 Riverside Tahquitz Valley 2438 Comment
  SEINET8466923 Image available Orobanche cooperi J. L. Burke 1976-4-14 Riverside Alluvial fan off SW base of Granite Mtns. Comment
  RSA586857  Orobanche fasciculata D. L. Banks, S. D. Boyd 1995-5-3 276 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  RSA0059251  Orobanche parishii John C. Roos 1948-5-15 3848 Riverside Upper Lost Palms Canyon, Eagle Mts., Colorado Desert. Comment
  RSA28063  Orthocarpus purpurascens I. L. Wiggins 1941-3-27 9703 Riverside 4 mi. north of Whitewater. Comment
  UC2030130  Oxytheca caryophylloides Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38137 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Woods above James Reserve. Comment
  UCR146247  Oxytheca caryophylloides R. F. Thorne, Et al. 1969-6-24 38137 Riverside Peninsular Ranges; San Jacinto Mountains, San Bernardino National Forest. Woods above James Reserve 1677 Comment
  UCR165202  Oxytheca caryophylloides Margaret Bornyasz 2003-8-7 s.n. Riverside Peninsular Ranges, San Jacinto Mtns. Banning/Idyllwild Road 243, 0.9 mi N of Vista Grande Guard Station 1425 Comment
  CAS-BOT-BC121216  Paeonia californica Robert F. Thorne; E. Lathrop 1969-6-6 39329 Riverside Santa Rosa Plateau, Rancho california 609 Comment
  RSA434266  Paeonia californica Ora M. Clark 1929-3-2 1627 Riverside Near Elsinore. Comment
  UCR76063  Paeonia californica B. G. Pitzer, Stu Hemstreet 1992-5-21 1937 Riverside Santa Ana Mtns., Cleveland National Forest, State Hwy 74, 1 mi. uphill of the 2,000 ft. marker & to the left 0.1 mi. on an old paved road 762 Comment
  UCSB2032  Paeonia californica Krogen, Roger 1957-1 Riverside 2 mi. N of Whitewater Comment
  CAS-BOT-BC327940  Palafoxia arida J. Von Loh 1977-10-30 3307 A Riverside Ford Dry Lake Comment
  OBI15594  Palafoxia arida Robert F. Hoover 1966-10-15 10156 Riverside Dead Indian Crk wash, S of Palm Desert Comment
  RSA795926  Palafoxia arida Duncan S. Bell 2009-4-19 283 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  SEINET6630282 Image available Palafoxia arida Bonnie C. Templeton, I. W. Clokey 1006 Riverside N of Palm Springs 400 Comment
  UCR166004  Palafoxia arida Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  UCR242304  Palafoxia arida A. C. Sanders, T. B. Salvato 2012-10-12 40430 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  UCR249510  Palafoxia arida T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7280 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  SD217187  Panicum capillare Darin L. Banks, Elizabeth Hedge Banks & John B. Hedge 1996-6-6 1122 Riverside Northwest foothills of Dorland Mountain; south end of Los Caballos Road, approximately 20 meters north of the gate to the University of California-Emerson Oaks Reserve, across from the junction with the road to the local golf course, in a vineyard 427 Comment
  UCR3744  Panicum capillare O. F. Clarke 1970-9-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River bottom just east of the old Salt Lake RR Bridge 216 Comment
  CLARK-A1528-4784  Panicum hirticaule John C. Roos 1965-9-5 Riverside Comment
  UCR102826  Parietaria hespera var. californica A. C. Sanders 1997-3-26 20104 Riverside Lake Skinner area, along foot trail at west base of Tucalota Hills 518 Comment
  UCR20760  Parietaria hespera var. californica A. C. Sanders, Steve Boyd 1980-5-2 1440 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  GMDRC3550  Parietaria hespera var. hespera J. Andre, T. La Doux 2009-2-25 10811 Riverside Chuckwalla Mountains: growing on rocky (granitic) north-facing slope, approx 0.5 mi. south of I-10 freeway at Eagle Mtn Rd exit, USGS 7.5 min. Quad: Desert Center 33 deg. 41.303' N 115 deg. 27.236' W. Elev. 1358 ft. 414 Comment
  SBBG1355  Parietaria hespera var. hespera H. and M. Dearing 1942-1-25 4787 Riverside San Jacinto Mtns 1219 Comment
  RSA737261  Parkinsonia aculeata Scott D. White, Justin M. Wood 2008-9-17 12541 Riverside Perris Basin: Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  RSA0027382  Parkinsonia florida Kristin Forgrave, Sarah J. De Groot 2013-6-4 14 Riverside On Graham Pass Rd 10 mi from Chuckwalla Valley Rd 362 Comment
  UCD166275  Parkinsonia florida Jack Major 1962-4-17 789 Riverside Just outside of Palm Desert of CA HWY 74. (Exact location unknown. Coordinates estimated by label maker.) 250 Comment
  RSA778323  Pectis papposa Amber Swanson 2011-10-9 652 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  JOTR31803  Pectis papposa var. papposa La Doux, Tasha, Bill Truesdell 2007-11-9 2511 Riverside Joshua Tree National Park. Pinto Basin, where Fried Liver Wash crosses Pinto Basin Road; between Hexie and Pinto Mountains (Stop 1) 532 Comment
  HSC3747  Pectocarya heterocarpa C. L. Hitchcock 1966-3-21 24328 Riverside About 15 mi. S of Rice, on dirt road to Blythe. Comment
  SEINET2042520 Image available Pectocarya heterocarpa A. C. Sanders 2001-3-20 23833 Riverside (Desert Hot Springs Quad 7.5') Desert Hot Springs, NW corner of intersection of Pierson Blvd and Atlantic Blvd. Between flood control ditch and Pierson, W of high school. T2S R4E S25, (SE 1/4 of SW 1/4) 335 Comment
  UCR172213  Pectocarya linearis John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  UCR174125  Pectocarya linearis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32632 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
  SDSU18357  Pectocarya linearis subsp. ferocula C. Matt Guilliams 2008-2-21 474 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  POM368788  Pectocarya penicillata N. C. Cooper 1946-4-5 2049 Riverside Los Alamos Canyon, Elsinore 762 Comment
  SEINET241491  Pectocarya penicillata A. C. Sanders, Mitch Provance; T. B. Salvato 2001-4-6 23925 Riverside Western Colorado Desert: Coachella Vlly, Desert Hot Springs, N of intersxn of Pierson Blvd & Atlantic, N of flood ditch 347 Comment
  SEINET272156  Pectocarya penicillata A. C. Sanders 1997-3-1 19754 Riverside Box springs Mountains: E side of Pigeon Pass Valley ca. 1/2 mile NW of Lawless Ranch E of Hidden Springs Rd. intersecti 579 Comment
  UC25016  Pectocarya penicillata H. M. Hall June, 1901 2181 Riverside San Jacinto Mountains, Thomas Valley 1371 Comment
  UCR267887  Pectocarya platycarpa Jim Andre 2013-3-4 23867 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  POM13104  Pectocarya setosa P. A. Munz 1922-5-20 5497 Riverside Kenworthy, San Jacinto Mountains. 1433 Comment
  JEPS10757  Pedicularis semibarbata Carl V. Meyer 1929-6-14 760 Riverside Dark Canyon; San Jacinto Mountains 1828 Comment
  RSA425316  Pedicularis semibarbata N. C. Cooper 1944-6-17 1409 Riverside San Jacinto Mtns. Pine Cove. 1677 Comment
  IRVC3154  Pellaea mucronata var. californica R. H. Whittaker, W. A. Niering 1963-5-29 SJ 49 Riverside Above N Fork San Jacinto River. Peninsular Ranges, San Jacinto Mountains 671 Comment
  SDSU13338  Pellaea mucronata var. mucronata C. Matt Guilliams 2000-4-29 Riverside Santa Margarita Ecological Reserve, Insect Trail. 1.5 miles NE of Gavalin Mtn. 305 Comment
  UCR241219  Penstemon X parishii Tracy Tennant, Mitch Provance 1998-6-16 MOR- 400 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  UCR35259  Penstemon X parishii L. B. Ziegler 1970-6-28 410 Riverside Peninsular Range; San Jacinto Mtns., Thomas Mtn 1951 Comment
  SEINET5796827 Image available Penstemon antirrhinoides I. W. Clokey, E. G. Anderson 1936-1 6885 Riverside East of Hemet along San Jacinto River 600 Comment
  JEPS3111  Penstemon centranthifolius W. L. Jepson 1939-4-17 19163 Riverside on State Highway No. 71, 3 mi e Temecula; e of Temecula Comment
  NY583823  Penstemon centranthifolius R. M. Straw 1953-6-25 488 Riverside Santa Rosa Mountain road, from Palms to Pines Highway 1676.4 Comment
  RSA97210  Penstemon centranthifolius R. M. Straw 1953-6-25 488 Riverside Santa Rosa Mountain Truck Trail, off Palms to Pines Hwy. 1677 Comment
  UC218112  Penstemon centranthifolius P. A. Munz 1922-6-27 5847 Riverside Santa Rosa Santa Rosa Mts., Santa Rosa 1981 Comment
  UCD124082  Penstemon centranthifolius Mitch Provance; Kerry Knudsen, Petra Wester 2004-5-8 9017 Riverside Santa Rosa Mountains: ca. 0.05 mile south of Santa Rosa Mount Road from Hwy 74. 1402 Comment
  UCR122741  Penstemon centranthifolius George K. Helmkamp, E. A. Helmkamp 1998-4-24 3380 Riverside Santa Rosa Mountains, Pinyon Pines along Calif. Hwy 74 between the San Jacinto and Santa Rosa Mountains 1296 Comment
  UC54999 Image available Penstemon clevelandii H. M. Hall 1901-6-1 2149 Riverside along borders Colorado Desert; eastern base San Jacinto Mountains; near Van Deventers, San Jacinto Mts. Comment
  CAS-BOT-BC6619  Penstemon clevelandii var. connatus Harvey Monroe Hall 1901-6-18 2149 Riverside San Jacinto Mountains, eastern base, along the borders of the Colorado Desert 1371 Comment
  NY583961  Penstemon clevelandii var. connatus C. B. Wolf 1939-9-29 9461 Riverside Desert slopes of San Jacinto Range, 1 2/10 mile above Ribonwood on the Palms-Pines road. 1280.2 Comment
  NY583965  Penstemon clevelandii var. connatus H. M. Hall 1899-5-24 1160 Riverside Van de Venter's; San Jacinto Mountains 1356.4 Comment
  POM122818  Penstemon grinnellii Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  UCR139091  Penstemon spectabilis Scott D. White 1997-5-18 5184 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 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
  UC399569  Pentagramma glanduloviscida F. M. Reed 1917-8-19 3771 Riverside Palm Canyon; Colorado Desert Comment
  RSA471859  Perityle emoryi M. B. Dunkle 1932-3-25 2911 Riverside Cathedral Canyon Comment
  SD215413  Perityle emoryi W. Wisura, J. Dolan and M. Wall 1992-3-24 4640 Riverside 5.6 miles south of I-10 on road to Corn Spring. Comment
  UCD134908  Perityle emoryi Geoffrey Levin 1975-4-5 467 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernadino Mountains. Saltan Sink Drainage. Colorado Desert. 60 Comment
  CAS-BOT-BC419048  Persicaria lapathifolia A. J. Mc. 1892-6-8 s.n. Riverside Near Elsinore Comment
  CAS-BOT-BC167768  Petalonyx thurberi C. Epling; Wm. Robison 1933-6-26 s.n. Riverside Little San Bernardino Mts. Basin 5 mi. south, Lost Horse Wells Comment
  RSA101199  Petalonyx thurberi David B. Dunn 1947-7-12 2967 Riverside Pushawalla Canyon, Indio Hills. Comment
  RSA1253  Petalonyx thurberi B. D. Stark 1930-8-17 1584 Riverside Chuckawalla Valley, Colorado Desert, Riverside County Comment
  CAS-BOT-BC326726  Peucephyllum schottii D. B. Dunn; H. Brown 1947-2-9 2849 Riverside By quadrat III along canyon side, Pushawalla Canyon, Indio Hills Comment
  CHSC20921  Peucephyllum schottii Robert A. Schlising 1972-2-5 3009 Riverside Pushawalla Palms oasis, a few miles NE of village of Thousand Palms. Comment
  CLARK-A1528-2030  Peucephyllum schottii John C. Roos 1947-2-15 3247 Riverside Eagle Mountains Comment
  RSA471970  Peucephyllum schottii Ora M. Clark 1929-3-17 1731 Riverside N. La Quinta, Colorado Desert. Comment
  POM47196  Phacelia ambigua Mary F. Spencer 1920-3-12 1581 Riverside Mecca. Colorado Desert -60 Comment
  SEINET244842 Image available Phacelia brachyloba Ian G. Gillespie 2000-5-13 43 Riverside San Jacinto Mountains; Twin Pines Ranch Road off of Hwy 243, below McMullen Flat 1220 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
  CLARK-A1528-554  Phacelia cicutaria Fred B. Essig 1964-3-14 23 Riverside Arlington 670 Comment
  SD234423  Phacelia cicutaria Wayne Law, Jun Hu 2000-5-16 16 Riverside Peninsular Ranges: Santa Ana Mtns.: Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi S of Corona (Alberhill 7.5' Q) 395 Comment
  UCR116661  Phacelia cicutaria var. hispida A. C. Sanders, Carolyn Washburn 2001-5-10 24237 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  SEINET3158091  Phacelia circinata F. M. Reed 1908-7-11 2505 Riverside San Jacinto Mts., trail to summit above Round Valley. 2957 Comment
  RSA0014470  Phacelia crenulata var. ambigua Justin M. Wood, J. Miner 2010-4-29 1544 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  RSA795747  Phacelia crenulata var. ambigua Jim Andre 2012-3-19 21302 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  UCR72178  Phacelia crenulata var. ambigua Theo Glenn 1991-5-15 91- 43 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  GMDRC9817  Phacelia crenulata var. minutiflora J. M. Andre 2017-3-1 38055 Riverside Coxcomb Mountains: north of Hwy 177 at JTNP boundary, 10.1 mi. NE of Desert Center (I-10) 159 Comment
  JOTR32914  Phacelia distans La Doux, Tasha, Jim Andre 2009-2-28 354 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 0.8mi north of JTNP boundary, approx. 3mi north of Dillon Rd. 631 Comment
  RSA428311A  Phacelia distans Gary D. Wallace 1964-4-25 s.n. Riverside San Jacinto Mts. Rd. to Idlewild Comment
  RSA49196  Phacelia distans P. A. Munz 1949-4-13 13047 Riverside above Cottonwood Springs, west end Eagle Mts. Colorado Desert 1098 Comment
  SEINET5764749 Image available Phacelia distans Scott D. White 2001-4-12 8296 Riverside Colorado Desert: Shaver's Valley. South of I-10 Freeway, ca. 15 miles E of Indio junction with CA 111. Comment
  UCR201488  Phacelia distans Scott D. White, Justin M. Wood 2008-6-16 12142 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  RSA718831  Phacelia distans Michael Honer, L. Hulse 2004-4-3 1920 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O Neal Canyon. 610 Comment
  RSA527876  Phacelia exilis Scott D. White 1991-5-24 91 -61 Riverside San Jacinto Mtns region: Big Bear area E of Sugarloaf & W of Hwy 38, S of Hwy 18 & Baldwin Lake. 2073 Comment
  UC69330  Phacelia ivesiana var. pediculoides L. A. Greata April 1905 Riverside Coachella Comment
  JEPS24830  Phacelia minor Peter M. Ray 1949-3-12 1353 Riverside 2 mi w Whitewater (n side of valley); Coachella Valley 457 Comment
  SEINET7073405  Phacelia minor A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  UCD120567  Phacelia minor A. A. Beetle 1940-1 s.n. Riverside Near Sage. Comment
  UCR104914  Phacelia minor A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20655 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UC24421  Phacelia mutabilis H. M. Hall 1901-7-1 2558 Riverside Fuller's Mills Mountains San Jacinto Mountains Comment
  RSA699573  Phacelia parryi Kenneth Beard 1934-04 s.n. Riverside Hills along Ortega Highway, south of San Juan Hot Springs Comment
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Oct 31 2011
  SEINET954243  Phalaris aquatica Mitch Provance, Brett Provance 2005-1 5700 Riverside San Bernardino Valley; Riverside (Arlington Heights area), SE corner of Cleveland Ave. and Irvine St. (inc. about 50 yards E on Cleveland). 277 Comment
  LA102175  Phalaris lemmonii John C. Roos; 1966-3-24 sn Riverside Winchester (near Hemet) Comment
  UCR220328  Phalaris lemmonii D. E. Bramlet 1992-4-15 2223 Riverside Perris-Aguanga Basin Region, 7.5 km SW of Hemet, just east of California Ave and c. 100 m north of the ATSF RR tracks, NE of the intersection of California Ave. and Marvin Hull Road and c. 300 m west of the MWD Canal 453 Comment
  RSA599129  Phalaris minor V. W. Steinmann, D. L. Banks 1996-4-20 840 Riverside ca. 10 km east of Temecula, along Route 79 at the junction with Los Caballos Road., ca. 33?29'N, 117?02' 30''W 375 Comment
  CDA2321  Phalaris paradoxa A. C. Sanders, T. B. Salvato 2001-5-25 24374 Riverside west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Avenue, San Jacinto Valley. Comment
  RSA736307  Phalaris paradoxa Scott D. White, Justin M. Wood 2008-5-13 11954 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  RSA3982  Pholisma arenarium Carl B. Wolf 1932-4-29 3120 Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  JEPS1838  Pholistoma membranaceum Marjorie D. Clary 1932-3-20 1616 Riverside 10 mi. n.w. Garnet (Mission Creek); Colorado Desert, Mission Creek 457 Comment
  RSA314453  Pholistoma membranaceum Robert F. Thorne, F. R. Fosberg, Charles C. Herbst, M. H. Sachet 1983-4-23 55455 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA346251  Pholistoma membranaceum Robert F. Thorne, W. A. Tilforth, R. K. Benjamin, J. Hogge 1980-4-16 54069 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  SD143690  Phoradendron bolleanum Andy C. Sanders, P. MacKay, L.& P. Lubinsky 1994-10-30 15833 Riverside San Bernardino Mountains, Whitewater River Canyon between Red Dome and Stills Landing, SE of VABM Paw 911 Comment
  CAS-BOT-BC135105  Phoradendron californicum Lewis S. Rose 1966-12-11 66093 Riverside Palm Springs 152 Comment
  RSA0015683  Phoradendron californicum Duncan S. Bell, John Anderson, Kim Clark, Ed Howland 2013-9-29 6041 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
  RSA420774  Phoradendron californicum Robert Gustafson 1981-4-7 2152 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  RSA475287  Phoradendron californicum Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2103 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA698142  Phoradendron californicum W. Marquart 1938-3-12 s.n. Riverside Mule Mts. S. of Chuckawalla Range. Comment
  RSA748157  Phoradendron libocedri K. M. Meyer, A. Townesmith, T. Scott 2007-3-16 17 Riverside San Bernardino National Forest. Next to Lake Fulmor, 17 miles S on Hwy 243 (off I-10). 1632 Comment
  CAS-BOT-BC171151  Phoradendron serotinum subsp. tomentosum Lewis S. Rose 1946-1-3 46009 Riverside Palms to Pines Highway. Colorado Desert 1066 Comment
  POM184031  Phoradendron villosum Philip A. Munz 1932-10-16 12847 Riverside Indio to Vandeventer Flat. 1067 Comment
  UC1584068  Phoradendron villosum Steve Boyd and Dave Bramlet 1988-10-8 2878 Riverside s.w. Anza (at head of Bautista Canyon, Cahuilla Mt., along crest of the mt.); Cahuilla Mt. Comment
  POM10222  Phyla lanceolata F. M. Reed 1906-7-8 1130 Riverside West Riverside. Comment
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Jul 4 2010
  UCR136002  Physalis crassifolia Virginia Moran 2003-9-1 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  POM49151  Physalis philadelphica Stephen Grout s.n. Riverside Riverside, W of house near tannery, Rubidoux. Comment
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Jun 9 2012
  RSA543873  Pilularia americana Steve Boyd, Dave Bramlet 1991-5-13 6226 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  UCR77756  Pilularia americana Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6348 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  SEINET2149958  Pinus californiarum S. Langer 1999-1 s.n. Riverside Santa Rosa Mountains, W of mountain summit near junction of Highways 371 and 74. 1433 Comment
  RSA5898  Pinus flexilis C. B. Wolf 1932-8-5 3971 Riverside San Jacinto Mts. Slopes of San Jacinto Peak, along the trail above Round Valley. 2927 Comment
  JEPS47943  Pinus monophylla W. L. Jepson and H. M. Hall 1901-5-22 1373 Riverside Palm Canon and return to Van Deventer Comment
  CAS-BOT-BC79097  Pinus quadrifolia Munz; Johnston 1922-5-20 5492 Riverside head of Hemet Valley, San Jacinto Mts. 1524 Comment
  POM12979  Pinus quadrifolia Philip A. Munz, I. M. Johnston 1922-5-20 5492 Riverside Head of Hemet Valley, San Jacinto Mts 1524 Comment
  UCR48487  Plagiobothrys acanthocarpus Steve Boyd 1986-3-9 1380 Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  UCR169784  Plagiobothrys arizonicus Scott D. White, Angelia Carey 2004-4-5 10001 B Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR171894  Plagiobothrys collinus John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  POM9223  Plagiobothrys collinus var. californicus I. M. Johnston 1920-5-8 2270 Riverside Jurupa Mountains, extreme west end. Comment
  SBBG34759  Plagiobothrys collinus var. fulvescens J. Hirshberg 1989-3-15 Riverside Santa Rosa Plateau, S of town of Murrieta, small mesa SW of Mesa de Burro 579 Comment
  UC1506500  Plagiobothrys fulvus A. C. Sanders and T. Glenn 1983-4-17 3736 Riverside 5 mi (airline) s Murrieta; Santa Ana Mountains, Mesa de Colorado 609 Comment
  UCR47600  Plagiobothrys leptocladus F. R. Fosberg 1932-5-9 10640 Riverside Perris 450 Comment
  UCR58499  Plagiobothrys nothofulvus Jeri Hirshberg 1989-4-19 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., south of town of Murrieta, west of Mesa de Burro 610 Comment
  RSA198965  Plagiobothrys undulatus R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37457 Riverside Santa Rosa Plateau: Rancho California, E of Redonda Mesa 610 Comment
  CHSC103794  Plantago erecta Scott D. White 2003-3-21 8814 Riverside Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Jan Creek. 152 Comment
  RSA612709  Plantago erecta D. L. Banks 1997-3-29 1589 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  SD187451  Plantago lanceolata Scott D. White, Angelia Carey 2004-5-7 10340 Riverside San Jacinto Mountain foothills; Indian Creek and adjacent foothills. 459 Comment
  POM158181  Plantago major P. A. Munz, I. M. Johnston 1928-9-6 11267 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  RSA640317  Plantago major Louis C. Wheeler 1931-7-30 s.n. Riverside Fairmount Park. Comment
  JEPS7174  Plantago ovata Marjorie D. Clary 1932-3-27 1682 Riverside 5 mi n Indio; Indio Hills 152 Comment
  UCR167203  Plantago ovata 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
  UCR227087  Plantago ovata Jim Andre 2011-2-9 15927 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
  UCR3475  Plantago ovata Sally Bell 1964-3-15 s.n. Riverside Sonoran (Colorado) Desert, Cathedral City, c. 500 yards from back of Travel Lodge Trailer Court off Hwy 111 91 Comment
  UCR60796  Plantago ovata Steve Boyd, Orlando Mistretta 1986-3-13 1432 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 244 Comment
  RSA402037B  Plantago ovata var. fastigiata M. B. Dunkle 1935-3-17 4408 Riverside Desert Center. 610 Comment
  JOTR33741  Plantago patagonica La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2740 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  UCR121235  Plantago patagonica Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2308 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR156075  Plantago patagonica T. B. Salvato, Kent Beaman 2005-5-16 800 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
  UCR167982  Plantago patagonica T. B. Salvato, John F. Green 2004-5-27 643 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UCR129783  Platanthera dilatata var. leucostachys P. A. Munz 1922-7-7 6065 Riverside San Jacinto Mtns., meadow [Skunk Cabbage M.?] north of Tahquitz Valley 2439 Comment
  SD137691  Platanus racemosa Darin L. Banks, Victor Steinmann 1995-7-10 748 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along the Wildhorse Trail, south of lower Arroyo Seco, northwest of Wildhorse Peak. 609 Comment
  RSA660049  Platystemon californicus Glenda Long 1981-4-11 7 Riverside 5 miles along Cajalco Road after I 15 offramp. 100 to 150 yards up north facing slope from road. Comment
  UCR35346  Platystemon californicus L. B. Ziegler 1967-4-25 119 Riverside Perris-Aguanga Basin, Pauba Ranch [SE of Temecula in Pauba Valley, off Hwy 79] 381 Comment
  RSA585733  Plectritis ciliosa subsp. insignis D. L. Banks, Steve D. Boyd 1995-5-9 388 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  JOTR28939  Pleuraphis rigida La Doux, Tasha 2005-3-30 1175 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  SBBG81730  Pleurocoronis pluriseta S. A. Junak 1983-3-23 1628 Riverside E side of Jefferson Rd across from entrance to Cahuilla Lake County Park, S of Indio Comment
  UC354432  Pleurocoronis pluriseta Edmund C. Jaeger 1925-12-12 Riverside near Palm Springs; Eagle Canyon 91 Comment
  UC68949  Pleurocoronis pluriseta H. M. Hall 1905-5-1 5992 Riverside hills near Indio; Colorado Desert Comment
  UCD134964  Pleurocoronis pluriseta C. L. Hitchcock 1966-3-21 24339 Riverside at summit of pass through Sheep Hole Mts., about 40 miles south of Amboy. Comment
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Mar 1 2014
  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
  SEINET2053984 Image available Pluchea sericea Howard S. Gentry 1954-7-25 14248 Riverside Aguanga Comment
  UCR101357  Pluchea sericea A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22227 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon 671 Comment
  SEINET6654149  Poa pratensis Scott D. White, Justin M. Wood 2008-6-19 12268 Riverside San Jacinto Mountains, meadows at Baldy Mtn.; 0 1585 Comment
  UCR20958  Poa pratensis A. C. Sanders 1978-7-5 895 Riverside San Jacinto Mountains, James Reserve, near head of Lake Fulmor at the mouth of Indian Creek 1616 Comment
  RSA522746  Poa secunda Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3855 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
  HSC83031  Poa secunda subsp. secunda N. M. Fellows 1985-3-3 96 Riverside Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of San Jacinto Mtns., l mi. W of Snow Creek Village. 489 Comment
  RSA575919  Polygala cornuta var. fishiae Steve Boyd 1994-10-14 8378 Riverside Southern Santa Ana Mountains, San Mateo Cantyon Wilderness area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon., Fisherman's Camp 462 Comment
  UCR62864  Polygala cornuta var. fishiae Scott D. White 1990-6-16 s.n. Riverside Santa Ana Mtns, Cleveland National Forest, private land just inside the Forest boundary; E wall of Hagador Canyon, near the mouth of the canyon 400 Comment
  CHSC103792  Polypodium californicum Scott D. White 2003-3-21 8806 Riverside Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 152 Comment
  SEINET218263 Image available Polypodium californicum O. W. Robinson 1916-3-20 Riverside Millers Canyon, Murietta Comment
  UCR23346  Polypodium hesperium John C. Roos 1936-9-15 2512 Riverside San Jacinto Mountains, Devil's Slide Trail above Idyllwild. Comment
  RSA97132  Polypogon maritimus C. K. Buechner 1955-5-29 C 73 Riverside Magnesium Canyon, north base of Santa Rosa Mountains. Comment
  SEINET10767438  Populus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12842 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  UCR230922  Populus fremontii T. B. Salvato, Richard Camacho 2011-6-12 5474 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  JOTR31986  Porophyllum gracile La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2220 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; small bowl with underground water seep at top of bouldery canyon 815 Comment
  LA102386  Porophyllum gracile John C. Roos; 1950-5-6 4789 Riverside Santa Ana Mountains, Tin Mine Canyon 609 Comment
  RSA561813  Porophyllum gracile Steve Boyd 1992-4-14 6830 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  RSA613421  Porophyllum gracile D. L. Banks 1997-4-5 1670 B 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
  UCR102718  Porophyllum gracile B. G. Pitzer 1998-1-24 3404 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  JOTR32632  Portulaca halimoides La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2555 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flat, southeast of trailhead heading toward Smith Water Canyon (Stop 2) 1398 Comment
  UCR54039  Portulaca oleracea A. C. Sanders 1988-11-6 8738 Riverside Coachella Valley, W side of Hwy 86/Harrison St., 6.25 mi. south of junction with Hwy 111 in Coachella and 3.85 mi. north of Valerie Jean, 0.55 mi north of Ave. 60 -35 Comment
  UCR277755  Potamogeton Mitch Provance 2011-7-29 17037 Riverside Santa Ana River Valley, Santa Ana River Wash, area between Market St. and the 60 Freeway 244 Comment
  CAS-BOT-BC453923  Potamogeton pectinatus A. J. McC. 1892-6-5 99 Riverside Elsinore Comment
  CDA844  Potamogeton pectinatus L. C. Wheeler 1953-3-3 7034 Riverside Sonoran (Colorado) Desert; Alligator Slough on the Colorado River 0 Comment
  RSA763170  Potentilla glandulosa Scott D. White, Justin M. Wood 2009-5-22 12903 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. Comment
  UCR168615  Potentilla glandulosa T. B. Salvato, John F. Green 2004-5-27 577 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  SFV20131  Potentilla glandulosa subsp. reflexa J. N. Hogue 2000-5-31 s. n. Riverside San Jacinto Mountains Bay Tree Spring, along Highway 243. 1585 Comment
  UC12552  Potentilla gracilis var. elmeri H. M. Hall June, 1901 2296 Riverside in the vicinity Strawberry Valley; San Jacinto Mountains, vicin Strawberry Valley 1615 Comment
  UC57356  Potentilla gracilis var. fastigiata H. M. Hall 1901-7-1 2356 Riverside Tauquitz Valley San Jacinto Mountains, Tauquitz Valley 2499 Comment
  CAS-BOT-BC206986  Prosopis glandulosa var. torreyana Steve Boyd 1986-4-10 1646 Riverside Temescal Canyon, along De Palma Road between Indian Truck Trail and Horsethief Canyon, on terrace escarpment 1.2 mi. E of Indian Truck Trail Comment
  CLARK-A1656-781  Prosopis glandulosa var. torreyana Theo Glenn 1982-4-18 Riverside Mecca Comment
  POM348752  Prosopis glandulosa var. torreyana Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  UC1129888  Prosopis glandulosa var. torreyana H. S. Yates 1937-6-28 6728 Riverside Palm Springs 137 Comment
  UCD108198  Prosopis pubescens Richard Bates 1949-4-26 s.n. Riverside Cathedral Canon, southeast of Palm Springs. Comment
  CAS-BOT-BC158296  Prunus fasciculata var. fasciculata Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-9 386 Riverside 10' south of Hwy 74 between [Sugar Loaf] Sugarloaf Cafe and entry gate to service road. Deep Canyon watershed, north slope Santa Rosa Mountains 1219 Comment
  SBBG22983  Prunus fremontii D. Myrick 1965-3-4 1084 Riverside Palms to Pines Hwy 74 914 Comment
  UC400189  Prunus fremontii Ynes Mexia 1929-2-16 2327 Riverside near Palm Springs; Murray Canyon, Colorado Desert Comment
  SD152758  Prunus ilicifolia Steve Boyd, Tim Ross 1992-5-5 7248 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness area. Isolated grassland area south of Oak Flats, southwest of the Bluewater Trail 730 Comment
  UCR21839  Prunus ilicifolia Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  SDSU13933  Prunus ilicifolia subsp. ilicifolia Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2142 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  CAS-BOT-BC356346  Psathyrotes ramosissima Roxana S. Ferris 1953-3-10 12603 Riverside Desert, at Thousand Palms, Indio Hills Comment
  UC68969  Psathyrotes ramosissima H. M. Hall May 1905 5864 Riverside Chuckawalla Springs Colorado Desert Comment
  UC1929958  Pseudognaphalium biolettii Scott D. White 2004-4-26 10263 Riverside San Jacinto Mountain Foothills: Soboba Indian Reservation, Indian Creek Watershed. Comment
  JOTR30789  Pseudognaphalium luteoalbum La Doux, Tasha, K. White, A. Holt, C. Ely, J. Van Warmerdam 2007-2-26 2096 Riverside Joshua Tree National Park. Eagle Mountains; Cottonwood Oasis 914 Comment
  SDSU13327  Pseudognaphalium microcephalum Ryan Jacobson, Jeremy Mass 2000-4-19 Riverside Jeep trail along Stone Creek, Santa Margarita Ecological Reserve. About 1.5 miles from south-side facilities. 177 Comment
  UCR166803  Psilocarphus chilensis R. E. Riefner Jr. 2005-4-22 05- 242 Riverside W side of Hwy 79, between Old Newport Road and Paton Road 469 Comment
  CAS-BOT-BC346360  Psorothamnus W. R. Dudley 1895-1-2 s.n. Riverside Along railroad below Palm Springs Station Comment
  SEINET2063861 Image available Psorothamnus arborescens B. Pitzer 1986-4-26 Riverside Whitewater Canyon, ca. 4.5 miles N of Interstate 10 on Whitewater Canyon Road, Whitewater 7.5' Quad. 731 Comment
  POM305419  Psorothamnus arborescens var. simplicifolius Henry J. Ramsey, Henry J. Ramsey 1937-11-28 752 Riverside Palm Springs Comment
  RSA678223  Psorothamnus arborescens var. simplicifolius Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1092 Riverside Mouth of Little Morongo Canyon, , NE of junction of Augusta Avenue and Little Morongo Drive, NW Desert Hot Springs. 412 Comment
  UCR261214  Psorothamnus arborescens var. simplicifolius A. C. Sanders, Katie Young, John Hale 2015-4-22 41606 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  CAS-BOT-BC353625  Psorothamnus emoryi John Thomas Howell 1928-3-11 3436 Riverside 6 miles SE of Garnet Station, Coachella Valley, Colorado 152 Comment
  UC472706  Psorothamnus emoryi M. F. Spencer 1922-3-29 Riverside Mecca Colorado Desert, Painted Canyon, Mecca (Painted Canyon, Colorado Desert) Comment
  CAS-BOT-BC340895  Psorothamnus schottii Carl B. Wolf 1932-4-26 2973 Riverside Colorado Desert. 5 mi. E. of Mecca, on Blythe Road 30 Comment
  CAS-BOT-BC340910  Psorothamnus schottii H. M. Hall 1905-4-1 5781 Riverside Colorado Desert. 10 miles west of Coachella 152 Comment
  RSA450122  Psorothamnus schottii J. C. Roos 1966-5-2 s.n. Riverside Mouth of Pushwalla Canyon, Indio Mtns. Comment
  SEINET2063921 Image available Psorothamnus schottii Unknown 1965-3-7 Riverside Directly 3 miles E of Thousand Palms. 91 Comment
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Mar 22 2019
  JEPS41653  Psorothamnus spinosus Marjorie Clary Oct. 1930 Riverside Coral Reef Ranch , Coral Reef Ranch (Coachella) Comment
  RSA11595  Psorothamnus spinosus C. Epling, Wm. Robison 1933-6-24 s.n. Riverside Near Cathedral City near Palm Springs Comment
  SD224976  Psorothamnus spinosus B. Pitzer 1996-11-11 2933 Riverside Orocopia Mts: Salt Creek Wash, at intersection w/ SR 211, 4rd. Mi. S of Bob's Cabin. Hayfield USGS Quad. 274 Comment
  SD153019  Pteridium aquilinum var. pubescens Steve Boyd, Tim Ross and Dave Bramlet 1993-5-12 7313 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon. 365 Comment
  RSA510313  Pterostegia drymarioides Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca 1 mi SE of town on [of] Nuevo. 640 Comment
  RSA784661  Pterostegia drymarioides Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 68 Riverside South main divide road splitting Comment
  SDSU12923  Pterostegia drymarioides Jutta Buschbom 1991-3-6 47 Riverside SE-slope, N-Border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the fieldstation. Santa Margarita Ecological Reserve, Temecula. Comment
  SEINET7073383  Pterostegia drymarioides A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR18860  Pulicaria paludosa John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs Comment
  VVC1348  Pulicaria paludosa A. C. Sanders, J. Mac 1996-11-23 19661 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  UCR273975  Quercus Mitch Provance 2012-8-4 412- 28 Riverside Western Riverside County, Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero 752 Comment
  RSA0028173  Quercus John F. Emmel 1988-5-21 1089 Riverside San Jacinto Mts.; Thomas Mountain Road at Spillway Canyon on north slope of Thomas Mountain, 1.9 road miles from Hwy. 74. 1433 Comment
  JOTR32954  Quercus X munzii La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 305 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Willow Hole in Wonderland of Rocks Comment
  CAS-BOT-BC61819  Quercus agrifolia Peter Raven; Sidney R. Snow 1956-6-30 9540 Riverside Dripping Springs Guard Station, Temecula River Comment
  UC1922063  Quercus agrifolia Scott D. White, Angelia Carey 2004-4-5 10014 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  UCR21941  Quercus agrifolia Steve Boyd 1980-4-8 109 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA713579  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 5 -580 Riverside San Jacinto Mountains, San Bernardino National Forest, 2.3 mi W of Santa Rosa Mountain Rd. on SR 74 at Vandeventer Flat. 1430 Comment
  RSA714353  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 5 -595 Riverside San Jacinto Mountains, San Bernardino National Forest, 0.7 mi. W of Santa Rosa Mountain Rd. on SR 74 near Vandeventer Flat. 1369 Comment
  UCR30819  Quercus agrifolia var. oxyadenia John C. Roos 1937-8-19 358 Riverside San Jacinto Mtns, near Ribbonwood, Palms to Pines Hwy. Comment
  UCD73488  Quercus berberidifolia A. C. Sanders; T. Tennant 1997-11-14 21602 Riverside San Bernardino Mtns.: Morongo Indian Reservation, sag pond at SE end of Burro Flats. 1110 Comment
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Aug 12 2015
  UCR273036  Quercus berberidifolia Mitch Provance 2012-1-25 17380 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
  SBBG1302  Quercus chrysolepis M. Lewis 1947-8-26 16 Riverside Dark Cyn 1981 Comment
  SD229167  Quercus chrysolepis Dick Schwenkmeyer 2012-8-28 821 Riverside Fuller's Mill camp, 2.6 mi. east of intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  UCR123795  Quercus chrysolepis var. nana Steven R. Hill, K. Kramer and family 2001-4-26 33471 Riverside San Jacinto Mtns., San Jacinto Wilderness west of Palm Springs, trails south of visitor building at terminus of Palm Springs Aerial Tramway; vicinity of Long Meadow and higher ridges 2591 Comment
  UCR155338  Quercus engelmannii A. C. Sanders, Mike Misenhelter 2005-3-23 29264 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  SJSU10151  Quercus kelloggii A. W. Jacobs 1938-8-1 Riverside Mt Tahquitz trail near Keen Ranger Station 1409 Comment
  UCD46896  Quercus lobata J. M. Tucker; D. Q. Cavagnaro 1965-10-2 3886 Riverside (Q. turbinella Greene subsp. californica Tucker). In wash at Live Oak Tank, 75-100 feet from Q. turbinella subsp. Californica (introgressed with Q. dumosa); Joshua Tree National Monument, Riverside County, California. Comment
  UCD47074  Quercus palmeri Rudolph Fischer 1965-10-8 3 Riverside East foothills of Thomas Mountain, Santa Rosa Range, State Highway 74, ca. 10 miles south of Keen Camp, Riverside County, California. 1341 Comment
  CLARK-A1528-2914  Quercus wislizeni var. frutescens John C. Roos 1952-4-13 5518 Riverside Box Springs Mountains 518 Comment
  CAS-BOT-BC362519  Rafinesquia californica John Thomas Howell 1931-5-30 6592 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  JOTR34188  Rafinesquia californica La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2982 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  RSA525415  Rafinesquia californica Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4523 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at junction of Highway R3 and Powerline Road, NE of the lake. Comment
  RSA95070  Rafinesquia californica F. W. Peirson 1919-4-14 2763 Riverside Murray Canyon, Palm Springs Region. 457 Comment
  CAS-BOT-BC362627  Rafinesquia neomexicana John H. Thomas 1957-3-30 6570 Riverside Joshua Tree National Monument. About 3 miles southeast of White Tank near the road to Cholla Cactus Garden. About 20 miles northeast of Indio 883 Comment
  RSA0026109  Rafinesquia neomexicana J. Andre, Glenn L. Clifton, Ron Kelley 2013-3-21 24401 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  RSA339664  Rafinesquia neomexicana R. F. Thorne, C. W. Tilforth 1980-5-28 54216 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
  RSA674688  Rafinesquia neomexicana Scott D. White 2001-4-27 8422 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway ca. 15 miles east of the Indio jtn. of I-10/ SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station. 396 Comment
  RSA726571  Rafinesquia neomexicana Naomi Fraga, Lisa Rojas 2005-2-10 1409 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  RSA770436  Rafinesquia neomexicana Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4568 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA799884  Rafinesquia neomexicana D. M. Ray 2011-3-5 11 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  SBBG8705  Rafinesquia neomexicana C. H. Muller 1952-4-6 9499 Riverside ca. 2 mi E of Shavers Summit, E of S entrance of Joshua Tree Nat Monument Comment
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Apr 24 2011
  UC217944  Rafinesquia neomexicana P. A. Munz, D. Keck Apr 9 1922-Apr 12 1922 4884 Riverside vicinity Corn Springs (Colorado Desert, Chuckwalla Mountains, Southern California); Colorado Desert, Chuckwalla Mountains 609 Comment
  UCD135363  Rafinesquia neomexicana R. L. Smith 1948-3-25 s.n. Riverside Cabazon. Comment
  UCR161010  Ranunculus californicus John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  UCR20915  Ranunculus sceleratus A. C. Sanders 1978-7-5 575 Riverside San Jacinto Mountains, James Reserve, near head of Lake Fulmor at the mouth of Indian Creek 1616 Comment
  CLARK-A1528-802  Rhamnus crocea Stanley W. Austin 1969-5-15 42 Riverside Santa Ana Mountains 0 Comment
  RSA7214  Rhamnus crocea B. D. Stark 1933-2-19 4530 Riverside 2.5 mi. East of Nuevo. 762 Comment
  UCR156289  Rhamnus crocea T. B. Salvato, Kent Beaman 2005-5-16 859 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
  SD229134  Rhododendron occidentale Dick Schwenkmeyer 2012-6-27 751 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  CAS-BOT-BC200731  Rhus aromatica Peter H. Raven 1958-5-18 12980 Riverside 3.0 miles east of junction to Aguanga, San Jacinto Mountains Comment
  RSA799083  Rhus aromatica Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6880 Riverside South side of Joshua Tree National Park, Cottonwood Spring 915 Comment
  UCR19136  Rhus aromatica John C. Roos 1948-5-15 3831 Riverside Sonoran (Colorado) Desert, Eagle Mountains, upper Lost Palms Canyon 1037 Comment
  UCR94484  Rhus integrifolia Steve Boyd 1981-1-9 s.n. Riverside Peninsular Range, Gavilan Hills, narrows in central Dawson Cyn. 488 Comment
  RSA613893  Rhus lancea A. C. Sanders, P. Mackay, T. Thomas, G. Helmkamp 1997-2-8 19686 Riverside Palm Springs area, Murray Canyon off Palm Canyon. 244 Comment
  RSA594509  Rhus ovata D. L. Banks, Dylan Hannon 1996-5-3 996 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA336423  Rhus trilobata var. anisophylla R. F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52080 Riverside Just E of Palm Desert. Comment
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Apr 24 2011
  SD137740  Ribes amarum Darin L. Banks, Steve Boyd 1995-2-16 49 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., S of the Dripping Springs Alcove, E of the Woodchuck Trail. 829 Comment
  JEPS49440  Ribes cereum F. M. Reed 1908-7-11 2386 Riverside Round Valley Mt. San Jacinto 2743 Comment
  CAS-BOT-BC173140  Ribes indecorum Raymond Lindholm 1961-2-27 s.n. Riverside Reche Canyon Comment
  RSA439667  Ribes indecorum J. S. Stubblefield 1939-3-23 s.n. Riverside Temecula. Comment
  SEINET13942611 Image available Ribes malvaceum Joseph Andorfer Ewan 1933-1 10896 Riverside Bushy canyong bottom. Tin Mine Canyon, Santa Ana mountains Comment
  RSA0013156  Ribes malvaceum var. viridifolium LeRoy Gross, Duncan S. Bell 2013-4-30 6035 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  RSA535479  Ribes malvaceum var. viridifolium Tim S. Ross, Orlando Mistretta 1992-2-2 6657 Riverside Santa Ana Mts, San Mateo Canyon Wilderness of the Cleveland National Forest. Lower half of Tenaja Canyon, especially about Fishermans Camp. Comment
  UC455588  Ribes montigenum I. J. Condit 1910-6-23 Riverside summit San Jacinto Mt. 3291 Comment
  JEPS49221  Ribes quercetorum Fred M. Reed 1908-3-8 2245 Riverside canyon on w side Box Springs Mt.; Riverside and vicinity Comment
  UCR137047  Ribes quercetorum A. C. Sanders 2004-5-5 27766 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
  SD130245  Romneya coulteri Scott White 1990-6-16 Riverside Cleveland National Forest, on private land just inside the Forest boundary. East wall of Hagador Canyon, near the mouth of the canyon. 395 Comment
  UCR151127  Romneya coulteri Scott D. White 1998-10-9 7171 Riverside Peninsular Ranges/Santa Ana Mtns, Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction, and proposed for same 366 Comment
  UCR260134  Rumex A. C. Sanders 2015-2-19 41251 Riverside San Jacinto Valley, 53 acre parcel c. 370 m south of Ramona Expressway and 1 km east of Warren Rd., north of Record Rd. 442 Comment
  RSA357125  Rumex conglomeratus Robert F. Thorne, P. A. Munz, Earl Lathrop 1968-5-8 37605 Riverside Lake Elsinore: Behind levee at SE end of lake Elsinore, ca. 1 mi. S of Elsinore. Comment
  CLARK-A1528-765  Rumex crispus Bruce Freeman 1968-5-22 680522-1 Riverside University of California 304 Comment
  POM153372  Rumex maritimus P. A. Munz, I. M. Johnston 1928-9-12 11245 Riverside North end of Lake Elsinore. Comment
  RSA0105833  Rumex salicifolius Alan Romspert 2000-7-28 s.n. Riverside Half way between Market St. and Riverside Ave. Bridges. Comment
  UC1979617  Rumex salicifolius var. denticulatus D. L Banks, Steve Boyd 1995-5-3 0204 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  UCR92139  Rumex salicifolius var. denticulatus D. L. Banks, Steve Boyd 1995-5-3 0204 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  UC465598  Sagina saginoides F. M. Reed 1908-7-14 2454 Riverside Strawberry Valley San Jacinto Mts., Strawberry Valley 1524 Comment
  UC494397  Salazaria mexicana C. L. Hitchcock 1932-4-7 12204 Riverside Corn Springs; eastern Riverside County Comment
  UC56963  Salazaria mexicana F. Gilman 1902-1 7 Riverside Palm Springs Comment
  CAS-BOT-BC421494  Salicaceae L. Nye; G. Gust 2005-3-11 66 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  UCR211718  Salicornia subterminalis Fred M. Roberts, D. E. Bramlet 2005-6-8 6249 Riverside Perris Basin, San Jacinto Valley, Upper Salt Creek drainage, north of Stetson and west of MWD canal, 1.6 km west of Ryan Airfield 454 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
  RSA181987  Salix exigua W. L. Jepson 1928-4-25 12569 Riverside Cottonwood Springs, Eagle Mountains. 732 Comment
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Oct 23 2011
  JOTR35491  Salix exigua var. hindsiana La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3179 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  UC846813  Salix gooddingii I. Johnston 1917-6-5 1235 Riverside fills s of Arlington 365 Comment
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Mar 30 2011
  SD187475  Salix laevigata Scott D. White, Angelia Carey 2004-5-7 10348 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  UCR116461  Salix laevigata A. C. Sanders, T. B. Salvato 2001-3-30 23857 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  UCR140318  Salix laevigata A. C. Sanders, Guy Bruyea 2004-4-2 27408 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
  UCR140701  Salix laevigata A. C. Sanders 2004-5-12 27867 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR97693  Salix laevigata A. C. Sanders, G. Helmkamp 1997-3-15 19968 Riverside Lake Skinner area: lower Rawson Canyon, along the dirt road toward Bachelor Mountain 457 Comment
  UCR26204  Salix lasiolepis John C. Roos, L. Roos 1952-3-1 5383 Riverside 2.5 miles north of Moreno by a seep below reservoir 610 Comment
  CAS-BOT-BC128448  Salix lasiolepis var. lasiolepis Frank W. Peirson 1933-4-13 10646 Riverside Road from Deep Canyon to Idlewild at the Palm Creek crossing. 1356 Comment
  UCR103730  Salsola australis A. C. Sanders 1997-3-19 20035 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp, from dirt track down to lakeshore 457 Comment
  RSA314488  Salsola paulsenii R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55359 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  JEPS59863  Salsola tragus Frank W. Peirson 1918-1 7 Riverside e. base Mt. San Jacinto, Andreas Canyon Comment
  UC1537501  Saltugilia australis Gordon H. True Jr. 1935-3-19 131 Riverside 6 mi se Perris; se of Perris 487 Comment
  RSA0094965  Saltugilia australis F. W. Peirson 1928-4-19 7841 Riverside Hills north of Elsinore. 457 Comment
  RSA67079  Saltugilia splendens Verne Grant, Alva Grant 1951-4-7 15984 Riverside Below Morongo Valley on road to White Water 732 Comment
  RSA67604  Saltugilia splendens Verne Grant, Alva Grant 1950-4-9 8839 Riverside Palm Springs. Comment
  RSA145206  Salvia apiana Alice Ann Webb, E. A. Phillips 1961-4-4 794 Riverside Palms to Pines Hwy. 915 Comment
  RSA257046  Salvia apiana W. Pequegnat 1940-5-17 s.n. Riverside Bedford Truck Trail, Santa Ana Mountains. 427 Comment
  UCLA55212  Salvia apiana C. Epling and Mrs. Epling 1937-6-6 B Riverside 0.6 mi below Palms to Pines Hwy. (Palmes-Pines Hwy) Comment
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Dec 18 2011
  UCR103172  Salvia apiana Scott D. White, Julie Greene 1997-3-12 4779 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  UCR112309  Salvia apiana A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23449 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
  UCR145825  Salvia apiana June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  RSA0039607  Salvia columbariae Deidre Conocchioli, Duncan S. Bell 2014-3-4 146 Riverside Off the Pacific Crest Trail in the San Bernardino Mountains. In Whitewater Canyon 8.5 miles E of Hwy-62. Just S of Red Dome. 695 Comment
  RSA49367  Salvia columbariae P. A. Munz 1949-4-11 12994 Riverside North base of Eagle Mtns. Mojave Desert. 945 Comment
  UC25692  Salvia columbariae Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR120959  Salvia columbariae A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23884 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  JOTR32356  Salvia dorrii var. pilosa La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2471 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (Stop 3) Comment
  UCLA70164  Salvia greatae H. M. Hall and L. A. Greata 1905-4-22 5848 Riverside near Dos Palmas; Colorado Desert Comment
  CAS-BOT-BC229983  Salvia mellifera C. L. Hitchcock 1966-3-16 24181 Riverside 1/4 mile w. of Aguanga Comment
  CLARK-A1656-694  Salvia mellifera Lois Ann Scott 1978-4-11 Riverside San Gorgonio Pass 579 Comment
  HSC14360  Salvia mellifera C. L. Hitchcock 1966-3-16 24181 Riverside 0.25 mi. W of Aguanga Comment
  RSA192198  Salvia mellifera E. W. Lathrop 1959-4-17 4487 Riverside 14 miles west of Murrieta. Tenaja Plateau. West slope of Redonda Mesa. Comment
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Apr 28 2011
  UCLA69837  Salvia mohavensis C. Epling 1937-11-26 Riverside White Tank; 29 Palms Comment
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Nov 5 2011
  UCLA69850  Salvia pachyphylla C. Epling 1938-8-14 Riverside Santa Rosa Mts. Comment
  CDA40964  Salvia vaseyi T. C. Fuller 1963-4-23 10289 Riverside San Jacinto Mountains; Carrizo Canyon, Highway 74 to Pinyon Flat, south of Palm Desert. 0 Comment
  RSA125462  Salvia vaseyi E. K. Balls, P. C. Everett 1957-8-20 22663 Riverside 7.5 mi. n. along rd. to 29 Palms [62] from jct. with U.S. Hwy. 60/70/99 381 Comment
  UCLA69741  Salvia vaseyi C. Epling and L. Haines 1937-5-7 Riverside 0.6 mi below Shumway Road (Palms-to-Pines Highway) Comment
  CHSC203  Sambucus mexicana Sonia R. Westerberg 1938-4-17 Riverside Lake Elsinore Comment
  RSA1239  Sambucus mexicana B. D. Stark 1930-3-18 1489 Riverside Cajalco District. Comment
  SD137816  Sambucus nigra subsp. caerulea Darin L. Banks, Steve Boyd 1995-5-3 270 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area. 515 Comment
  SDSU17499  Sanicula arguta Jerry Jenkins 2001-4-1 2001 -022 Riverside Santa Margarita Ecological Reserve. High saddle on road to Tourmaline mine, UTM zone 6, 482500E, 3699900N. UTM transfered to GIS. Comment
  UCR57130  Sanicula bipinnata Jeri Hirshberg 1989-4-18 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., south of town of Murrieta, Miller Canyon, north of Mesa de Burro 585 Comment
  RSA192211  Sanicula bipinnatifida E. W. Lathrop 1959-4-2 4414 Riverside Cleveland National Forest, Trabuco District, Tenaja Guard Station, slopes of Tenaja Canyon. Comment
  UCR59763  Sanicula crassicaulis Steve Boyd, T. Ross, et al 1989-3-31 3074 Riverside Peninsular Range, Vail Lake area, south of Hwy 79, 0.25 mi east of Pauba Road 457 Comment
  POM306143  Sarcodes sanguinea Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1334 Riverside Santa Rosa Mountains. Comment
  LA202877  Sarcostemma cynanchoides subsp. hartwegii Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  UCR129153  Sarcostemma hirtellum Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UCR189553  Satureja chandleri Diane Menuz 2006-6-6 141 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Miller Canyon, 1 hour hike from road 549 Comment
  RSA0064522  Schismus barbatus Starr Streight 1982-4-17 23 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  SEINET10597129  Schismus barbatus Steve Boyd, Timothy S. Ross; Laurel Arnseth; Jaime Bonilla, Barbosa 1990-4-2 Boyd 4046 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Sprins Guard Sta. Chaparral and oak woodland vegetation burned by Mt. Palomar fire, 1989. 488 Comment
  RSA92140  Schoenoplectus americanus F. W. Peirson 1921-3-20 2848 Riverside Palm Canyon, Colorado Desert. 305 Comment
  RSA652886  Schoenoplectus californicus John Wallace 1991-5-8 22 Riverside Colorado River. Comment
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Aug 13 2015
  UCR235087  Schoenoplectus californicus A. C. Sanders, John F. Green 2012-5-27 40209 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  RSA549283  Schoenoplectus hallii Steve Boyd 1991-6-14 6338 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  CLARK-A1528-1235  Scrophularia californica subsp. floribunda Cameron Duncan 1966-3-27 Riverside Riverside 548 Comment
  UC494718  Scrophularia californica subsp. floribunda Philip A. Munz 1932-3-24 12029 Riverside s Elsinore lake 365 Comment
  CAS-BOT-BC214224  Scutellaria bolanderi subsp. austromontana A. C. Sanders; Mitch Provance 2008-7-11 35803 Riverside Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station, Peninsular Range, San Jacinto Mtns. 1474 Comment
  RSA618159  Secale cereale D. L. Banks 1997-5-5 2026 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of the casino, approximately 100 m south of the intersection of Pala Road and Wolf Valley Road 335 Comment
  CAS-BOT-BC69804  Selaginella bigelovii Milo S. Baker 1928-4-3 2787 b Riverside Palm Canyon. Comment
  POM47174  Selaginella bigelovii Mary F. Spencer 1920-4-7 1468 Riverside Palm Canyon; Colorado Desert. 244 Comment
  POM950  Selaginella bigelovii E. Robinson, Crocker 1916-3-20 s.n. Riverside Santa Ana Mtns. Comment
  GMDRC5053  Selaginella eremophila J. Andre, G. L. Clifton 2011-2-22 17481 Riverside Coachella Valley: 1.2 mi. due south of Windy Pt (at Hwy 111), just SW of 'The Cove' housing development near Blaisdell Creek, at base of San Jacinto Mtns 320 Comment
  JOTR34028  Selaginella eremophila La Doux, Tasha, M. Harding 2010-4-7 2915 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  SD144485  Senecio californicus var. californicus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19878 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Black Mtn.along the road. 518 Comment
  POM183887  Senecio flaccidus var. douglasii P. A. Munz 1932-10-16 12840 Riverside Palm Creek, Santa Rosa Mts. 1463 Comment
  POM14300  Senecio mohavensis P. A. Munz, D. D. Keck 1922-4-9 4796 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 610 Comment
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Apr 5 2011
  RSA703815  Senecio mohavensis LeRoy Gross 2005-3-3 1592 Riverside Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  SEINET6692556 Image available Senecio monoensis Philip A. Munz 1946-10-20 11577 Riverside Palms to Pines Highway at north base of Santa Rosa Mountains. 1036 Comment
  RSA614654  Senecio vulgaris A. C. Sanders 1997-3-1 19703 Riverside Box Springs Mtns.: Coyote Hill (Bench Mark ''Versity'', 1386 ft.) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  SD229147  Senegalia greggii Dick Schwenkmeyer 2012-10-16 931 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment