Search Results — 2000 specimen records retrieved (1902 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SD229019  Abies concolor Dick Schwenkmeyer 2012-8-28 813 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
  RSA461032  Abronia villosa Aloys Nicholson 1930-4-6 s.n. Riverside 1000 Palms. Colorado Desert. Comment
  POM248343  Abronia villosa var. aurita I. W. Clokey, E. G. Anderson 1935-4-6 6609 Riverside Hemet 500 Comment
  RSA682171  Abronia villosa var. villosa Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10468 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  CAS-BOT-BC203219  Abutilon Elizabeth McClintock 1958-4-2 s.n. Riverside East side of Salton Sea Comment
  POM217967  Abutilon palmeri George Black 1936-03 s.n. Riverside Wash at Corn Springs Comment
  SEINET238936 Image available Acacia greggii A. C. Sanders, T. B Salvato 2000-4-27 23373 Riverside Coachella Valley: east side of Coachella Canal near the foot of the Mecca Hills vicinity of the east end of Ave 60 (Mec 15 Comment
  POM13412  Acamptopappus sphaerocephalus var. sphaerocephalus P. A. Munz, J. M. Johnston 1922-5-6 5172 Riverside Near Whitewater, San Gorgonio Pass. 305 Comment
Read comments
May 29 2011
  POM6640  Acamptopappus sphaerocephalus var. sphaerocephalus P. A. Munz, L. T. Street 1919-5-7 2731 Riverside Colorado Desert, Tahquitz Canyon 229 Comment
  SEINET1956958 Image available Acamptopappus sphaerocephalus var. sphaerocephalus A. J. Breitung 1953-6-12 15554 Riverside Santa Rosa Mts. Hwy. 74, San Bernardino National Forest Riverside Co., California Comment
  UCR244442  Acamptopappus sphaerocephalus var. sphaerocephalus Jim Andre 2012-4-16 20933 Riverside Mojave/Sonoran Desert Transition, Joshua Tree National Park; along Cottonwood Springs Rd, 2.4 mi. north of Cottonwood Visitor's Center 956 Comment
  RSA296159  Achnatherum hymenoides B. A. Prigge 1980-8-5 3826 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  RSA27234  Achnatherum speciosum C. L. Hitchcock 1940-4-12 6046 Riverside 8 mi. northwest of Elsinore 457 Comment
  UCSB37774  Achnatherum speciosum Roos, John 1965-6-13 Riverside E of Hemet Comment
  CAS-BOT-BC384724  Achyronychia cooperi Geo. B. Grant 1906-5-1 11 -6707 Riverside Collected on Colorado Desert at Palm Springs Comment
  JEPS51455  Achyronychia cooperi W. L. Jepson 1927-4-12 11666 Riverside Painted Canyon Mecca Hills 76 Comment
  JOTR37710  Achyronychia cooperi Hodges, Stephen R. 2016-3-1 636 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line on loose unconsolidated sand ramps Comment
  POM14011  Achyronychia cooperi P. A. Munz, D. D. Keck 1922-4-13 4937 Riverside Desert Center; Chuckwalla Valley 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
  RSA782193  Achyronychia cooperi Duncan S. Bell 2011-10-22 2980 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  SD224959  Acmispon argophyllus Scott D. White 1996-3-16 3824 Riverside Lakeview Mts, N of Winchester, at Maze Stone Picnic Area. Comment
  CAS-BOT-BC213471  Acmispon argophyllus var. argophyllus Lewis S. Rose 1935-12-23 35691 Riverside Above Deep Canyon, San Jacinto Mts., Colorado Desert 914 Comment
  JOTR34168  Acmispon glaber var. brevialatus Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 125 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Pinyon Well; Riparian area near small series of active springs and seeps (Stop 2) 1182 Comment
  SBBG28443  Acmispon rigidus D. Myrick 1964-4-29 823 Riverside 10 mi W of Palm Desert on Pines to Palms Hwy 74 914 Comment
  CHSC99616  Acmispon strigosus LeRoy Gross 2005-3-3 1591 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W to 33.72053N, 115.11051W. Growing in sandy wash. 225 Comment
  SD44851  Acmispon strigosus Darley F. Howe 1952-4-6 2178 Riverside 12 miles east of Mecca Comment
  CAS-BOT-BC22557  Adenophyllum porophylloides P. A. Munz 1932-4-24 12395 Riverside Snow Creek Canyon, San Jacinto Mountains 457 Comment
  CAS-BOT-BC133137  Adenostoma fasciculatum Cecil Hart 1922-5-21 18 Riverside San Jacinto Pk. Comment
  UC495185  Adenostoma fasciculatum P. A. Munz 1932-4-24 12394 Riverside San Jacinto Mts., Snow Creek Canyon 457 Comment
  RSA390501  Adenostoma fasciculatum var. fasciculatum M. M. Thompson 1947-6-9 C 2078 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UCSB2737  Adenostoma sparsifolium Wilson, Richard 1958-5-18 Riverside 8 miles SE of Junction Idyllwild Hwy. and State 74 on State 74. Comment
  RSA687706  Adiantum capillus-veneris Albert J. Perkins 1916-4-18 s.n. Riverside Palm Canyon. Comment
Read comments
Dec 11 2016
  UCR163882  Adiantum capillus-veneris B. G. Pitzer 2001-8-19 4342 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  RSA416390  Agoseris grandiflora var. grandiflora Robert L. Rutherford 1944-7-2 1475 Riverside Palomar Mtn. 1066 Comment
Read comments
Jun 15 2013
  RSA249840  Agoseris retrorsa R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38105 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  RSA505020  Agoseris retrorsa D. Charlton 1988-5-21 1917 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  RSA507956  Agoseris retrorsa Steve Boyd, C. Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2274 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  UCR71881  Alchemilla arvensis Joe Di Bernardo 1992-4-6 92- 01 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Desert, condominium complex at Mountain Shadows Golf Course Comment
  UCR47637  Alhagi pseudalhagi Don Pendleton 1986-1 s.n. Riverside Blythe, fields on the mesa NW of town, in lemon groves Comment
  POM46837  Allenrolfea occidentalis Mary F. Spencer 1920-3-16 s.n. Riverside Mecca -60 Comment
  UCR85385  Allenrolfea occidentalis A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15881 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
  UCR35199  Allionia incarnata L. B. Ziegler 1966-9-13 83 Riverside Sonoran (Colorado) Desert, San Jacinto Mountains, Carrizo Spring (Carrizo Creek), c.3/8 mi above Hwy 74 crossing of canyon. 703 Comment
  RSA778399  Allionia incarnata Amber Swanson 2011-10-9 650 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  UCR228840  Allium haematochiton A. C. Sanders, T. B. Salvato 2011-4-27 39339 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  UC1608290  Allium lacunosum var. kernense Steve Boyd, Tim Ross 1992-5-15 7386 Riverside along old Main Divide Road track about 1/4 mi se radio towers (se flank of Elsinore Peak at Onion Hill); Southern Santa Ana Mountains, Elsinore Peak, Onion Hill 1021 Comment
  CAS-BOT-BC472714  Allium lacunosum var. lacunosum S. Mashayekhi; S. Boyd; M. Biabani 2008-4-15 SM 011 Riverside E. of Elsinore Peak Comment
  RSA770515  Allium munzii S. Mashayekhi, Steve Boyd, M. Biabani 2008-4-15 SM 013 Riverside South of Idaleona Road, south of Harford Springs Co. Park 640 Comment
  UC1544766  Allium munzii Steve Boyd 1986-5-1 1798 Riverside on n base of hill just to the w Skunk Hollow (e of hot springs); Murieta Hot Springs, Skunk Hollow Area 438 Comment
  UCR217543  Allium munzii Diane Menuz 2008-4-30 438 Riverside Perris-Hemet Basin, SW of the city of Hemet, north of Diamond Valley Lake on Domenigoni Hills; c. 1.3 km SE of Simpson Ave. and Warren Rd. intersection 577 Comment
  RSA0006686  Allium munzii Steve Boyd 1986-4-20 1725 Riverside Gavilan Plateau, Gavilan Hills: clay soil on hillside south of Harford Springs County Park. 616 Comment
  UCR139245  Allium parryi A. C. Sanders, Kate Kramer 2003-6-11 26877 Riverside San Jacinto Mtns., Garner Valley, foothills on the northeast side of the valley, 1/2 mile west of Morris Ranch Rd. on a dirt track, c. 1 km west of Goff Flat 1616 Comment
  RSA495447  Allium peninsulare Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2975 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA95616  Allophyllum glutinosum Verne Grant 1955-5-17 20834 Riverside On crest of Santa Ana Mts near Hwy 74. 811 Comment
  SD260880  Alternanthera caracasana Mitch Provance 2012-7-17 712 11 Riverside San Gorgonio Pass: South Banning, adjacent to west side of Banning High School and the KOA on San Gorgonio AVE. 1134 Comment
  UCR272496  Alternanthera caracasana Mitch Provance 2013-6-18 613- 30 Riverside Santa Ana River Valley, Riverside, Arlanza area, Terrace Middle School on Rutland Ave. 227 Comment
  UCD169471  Alternanthera philoxeroides J. Zamora; Al Acosta 1999-9-29 s.n. Riverside Riverside, Santa Ana River, under the NW end of the Market St. bridge. 244 Comment
  UCR110392  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23080 Riverside San Jacinto Mountains, McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  JOTR35981  Amaranthus fimbriatus Harding, Mitzi, Mark Wheeler 2012-9-4 192 Riverside Joshua Tree National Park. Pinto Basin; near turkey flats parking area; sandy flats (Stop 1) 509 Comment
  RSA339243  Amaranthus fimbriatus R. F. Thorne, Rolf, Getrud Dahlgren 1979-8-22 53594 Riverside Joshua Tree National Monument: Hidden Valley. 1280 Comment
  SD144099  Amaranthus fimbriatus B. Pitzer 1997-10-19 3354 Riverside N foot of Chuckwalla Mtn Rd on S side of Highway I-10, ca. 0.8 miles S of Highway at powerline rd. 500 Comment
  UCR94925  Amaranthus palmeri Scott D. White 1996-9-22 4533 Riverside Perris Basin, Perris: Nuevo Road, just east of San Jacinto River crossing 435 Comment
  POM263162  Ambrosia acanthicarpa J. C. Roos 1937-8-19 359 Riverside Thomas Valley, San Jacinto Mts. Comment
  RSA289853  Ambrosia acanthicarpa B. A. Prigge 1980-9-16 4049 Riverside Indio. Coachella Valley Stormwater Channel. 0 Comment
  UCR100211  Ambrosia acanthicarpa Scott D. White 1996-12-26 4640 Riverside Perris Basin, Perris area 442 Comment
  UCR176692  Ambrosia acanthicarpa R. D. Goeden, Don W. Ricker 1969-7-31 s.n. Riverside Peninsular Range; San Jacinto Mtns., Lake Hemet, along Hwy 74 south of inlet 1326 Comment
  HSC66728  Ambrosia dumosa D. L. Goforth, D. Reed 1980-3-25 360 Riverside Hwy. 195, 6 miles E of Mecca. Box Canyon, Mecca Hills 122 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
  SD142811  Ambrosia pumila Craig Reiser 1996-9-13 Riverside North of Lake Elsinore, Nichols Road offramp at Interstate 15, 200 to 300 feet beyond end of paved road. Northwestern-most known population Comment
  CAS-BOT-BC273034  Ambrosia salsola D. B. Dunn; H. Brown 1947-1-12 2834 Riverside Pushawalla Canyon, Indio Hills Comment
  JEPS39429  Ambrosia salsola var. salsola W. L. Jepson 1914-5-18 6032 Riverside from Pinyon Well to Indio (county well rd, n borders Colorado Desert); Colorado Desert Comment
  UCR241186  Amorpha californica Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 517 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  CAS-BOT-BC177261  Amorpha fruticosa H. M. Hall 1900-5-15 s.n. Riverside Reche [Canon] Canyon 457 Comment
  POM229036  Amorpha fruticosa P. A. Munz 1937-5-30 15111 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  UCSB2968  Amorpha fruticosa Haller, Norman Riverside Highway 74, Cranston Ranger Station, 7 miles East of Hemet 609 Comment
  SEINET7073310  Amsinckia eastwoodiae A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  HSC84226  Amsinckia intermedia Karin Cleary 1987-4-8 11 Riverside Banning; 1.5 km N of the intersection of I-10 and Sunset Ave. E side of Sunset 835 Comment
  RSA80004  Amsinckia intermedia F. W. Peirson 1921-3-22 s.n. Riverside Murray Canyon, near Palm Springs 487 Comment
  UC1605425  Amsinckia intermedia Steve Boyd 1986-4-2 1618 Riverside Gavilan Plateau; Gavilan Hills, Garford Springs County Park 609 Comment
  UCR120910  Amsinckia intermedia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24946 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR250574  Amsinckia intermedia A. C. Sanders 2014-4-18 41033 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, SE of Lee (Corona) Lake 375 Comment
  RSA0089615  Amsinckia intermedia Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3080 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  HSC94251  Amsinckia menziesii D. Atwood 1993-3-26 17686 Riverside 6 mi. NE of San Juan Capistrana along Hwy. 74 Comment
Read comments
Jun 3 2012
  SEINET238668  Amsinckia menziesii A. C. Sanders 1998-1-15 21644 Riverside Lake Skinnder area: along old Rawson Road just north of Crown Valley above Diamond Valley at waterline of proposed res 518 Comment
  UCR117647  Amsinckia menziesii Scott D. White, M. Jacobsmeyer 1996-4-20 3977 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  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
  RSA779783  Amsinckia tessellata Duncan S. Bell 2010-4-2 692 Riverside Arica Mountains: collecting along the ridgeline of the mountain range about 0.3 air mile north of the summit. 561 Comment
  UCR260563  Ancistrocarphus filagineus T. B. Salvato 2015-4-2 8107 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully 537 Comment
  SEINET7594989 Image available Andropogon glomeratus Mary F. Spencer 1921-1 1693 Riverside San Jacinto, Near San Jacinto Comment
  RSA707980  Anemopsis californica Scott D. White, Angelia Carey 2004-5-7 10341 Riverside Indian Creek and adjacent foothills. 549 Comment
  UCR110400  Anemopsis californica A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23183 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1 mile west of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. west of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  POM48875  Angelica tomentosa P. A. Munz, I. M. Johnston 1924-7-26 8708 Riverside common on north slopes, 8 mi. S of Banning. 1372 Comment
  CAS-BOT-BC79940  Antennaria microphylla F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  UCR174960  Anthemis cotula Teresa Nieto 2005-5-26 53 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  SD148268  Anthriscus caucalis A. C. Sanders, Mark Elvin and M. S. Enright 2002-4-16 24958 Riverside The Badlands: Laborde Canyon and adjacent slopes and side canyons, 1.0 mile east of Mt. Eden, southwest of Beaumont. 548 Comment
  JEPS5297  Antirrhinum coulterianum W. L. Jepson May 17 1901-Jun 1 1901 1256 Riverside near upper San Jacinto Valley (San Jacinto River); San Jacinto River Comment
  POM10108  Antirrhinum coulterianum Charlotte M. Wilder 1904-5-15 183 Riverside North side of Jurupa Hills, NW of Riverside Comment
  RSA425788  Antirrhinum coulterianum Gale Sphon 1955-5-7 s.n. Riverside 3 miles W of Lake Elsinore. Comment
  UCR35226  Antirrhinum coulterianum L. B. Ziegler 1967-5-18 134 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  JOTR28916  Antirrhinum filipes La Doux, Tasha 2005-2-7 1152 Riverside Joshua Tree National Park. Eagle Mountains; south facing slopes north of Hayfield Dry Lake 553 Comment
  CLARK-A1528-4167  Antirrhinum nuttallianum John C. Roos 1965-10-19 Riverside Reche Canyon Comment
  RSA757449  Antirrhinum nuttallianum Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55228 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta 730 Comment
  UC1929471  Antirrhinum nuttallianum Scott D. White, Michael Honer 2003-6-3 9462 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Temecula 7.5 Quad. Comment
  UCR119363  Antirrhinum nuttallianum A. C. Sanders 1997-3-19 20050 Riverside Lake Skinner area, NE of Bachelor Mtn., small canyon below dry falls, north of dirt track off road from Rawson Cyn. 503 Comment
  UCR5785  Antirrhinum nuttallianum subsp. nuttallianum S. M. Chambers 1970-4-19 11 Riverside Riverside, half way up the W slope of the Box Springs Mtns from Big Springs Road 610 Comment
  RSA501015  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3134 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  UCR133670  Apiastrum angustifolium 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
  UCR267164  Apiastrum angustifolium Mitch Provance, Matt Amalong 2015-3-24 315- 13 Riverside Temecula/Murrieta Region, Murrieta Hot Springs, SW base of unnamed hill 0.6 miles W of Skunk Hollow, N side of Murrieta Hot Springs Rd at Chandler Dr., S of the lower watertank 406 Comment
  UCR12548  Aptenia cordifolia Eric Trubschenck 1972-5-8 2 Riverside NE corner of Park and 7th Streets, City of Riverside 272 Comment
  CAS-BOT-BC405879  Aquilegia formosa Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  RSA0126208  Arabis glabra R. Weatherby 1949-6-6 638 Riverside Santa Rosa Mtn. 2134 Comment
  RSA66799  Arabis glaucovalvula F. W. Peirson 1941-4-10 13078 Riverside White Tank Region at summit of grade S of 29 Palms. Comment
  RSA162729  Arabis pulchra John Olmsted, J. D. Olmsted 1958-3-29 72 Riverside North of Cottonwood Springs, which is 8 miles north of thesouthern entrance to Joshua Tree Nat. Mon. with interior drainage to Pinto Basin and just off the Cottonwood Pass road. 991 Comment
  RSA0128804  Arabis sparsiflora var. californica M. Wall 2008-7-4 483 Riverside Bautista Creek, east of Hemet off Bautista Canyon Rd. ca. 7 miles east of jct. with Fairview Ave. 758 Comment
  CAS-BOT-BC409997  Arceuthobium campylopodum L. Helmkamp; G. Helmkamp 1999-11-16 5 -1 Riverside San Jacinto Mountains, at the W end of Garner Valley, 0.5 miles E of CA-74 on Apple Canyon Road, just NE of Lake Hemet 1341 Comment
  RSA629172  Arctostaphylos Jon E. Keeley 1992-7-17 16791 Riverside Road to Thomas Mountain (5S15), 5.2 km north of Toolbox Spring. 1840 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
  SD110279  Arctostaphylos glandulosa J. Dice, J. Kerbavaz 1981-1-26 Riverside West side of I-15 just north of Italian Aires restaurant, southernmost Riverside County. Comment
  SJSU11106  Arctostaphylos glandulosa subsp. glandulosa G. B. Youngberg 1956-3-31 240 Riverside by Banning-Idyllwild Rd, San Jacinto Mts 1767 Comment
  SEINET10684104  Arctostaphylos glandulosa subsp. glaucomollis Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-15 Scott 130 Riverside San Bernardino National Forest. 9.4 mi. S on 243 (Palms to Pines National Scenic Byway) from US 10. 1298 Comment
  RSA629443  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16757 Riverside Road to Thomas Mtn. (5S15), 1.8 km south of Toolbox Spring, west of Garner Valley, San Jacinto Mountains. 1785 Comment
  RSA629459  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16815 Riverside Rd. to Thomas Mtn. (5S15), 11 km north of Toolbox Spring. San Jacinto Mtns. 1520 Comment
  RSA608235  Arctostaphylos glandulosa subsp. zacaensis Steve Boyd, Bart O'Brien 1998-1-13 10069 Riverside Santa Ana Mountains: north end of the range, ESE of Sierra Peak along Main Divide Road (3S04), ca. 0.6 mi from summit of peak on divide between Fresno and Fremont canyons. 914 Comment
  RSA633556  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16685 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633564  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16614 Riverside Road to Santa Rosa Mountain, (7S02), 1.8 km south of Highway 74. 1560 Comment
  RSA633672  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20111 Riverside Northeast slope of Santa Rosa Mountain, above Pinyon Flats. 1600 Comment
  CAS-BOT-BC44326  Arctostaphylos pringlei subsp. drupacea E. P. Van Duzer 1917-6-1 s.n. Riverside Mt. Tahquitz Comment
  SD232672  Arctostaphylos pringlei subsp. drupacea Scott D. White 1996-8-1 4426 Riverside San Jacinto Mts.; Idyllwild area: Hwy 243 at Deer Springs trailhead and adjacent area. S facint mountainside. 1707 Comment
  UC21863  Arctostaphylos pringlei subsp. drupacea H. M. Hall May 1899 1123 Riverside Strawberry Valley San Jacinto Mountains 1615 Comment
  UC219282  Arctostaphylos pringlei subsp. drupacea Munz and Johnston 1922-5-20 5490 Riverside head of Hemet Valley San Jacinto Mts. 1524 Comment
  CAS-BOT-BC46342  Arctostaphylos pungens Munz; Johnston 1922-5-20 5491 Riverside Head of Hemet Valley, San Jacinto Mts. 1524 Comment
  RSA635775  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16586 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA635801  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16519 Riverside Red Mountain Road, 1.8 km east of R3. 850 Comment
  RSA636168  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19471 Riverside West of Temecula, off Carancho Rd., west of De Luz Rd., eastern Santa Margarita Mtns. 460 Comment
  UCR189784  Arctostaphylos rainbowensis Diane Menuz 2007-3-26 265 Riverside Peninsular Range, Coastal Foothills Region, Santa Rosa Plateau, c. 0.2 mi west of northern edge of Mesa de la Punta. Along Punta Mesa Trail, 1000km from the Adobes 488 Comment
  SD143754  Argemone munita Scott D. White 1997-5-25 5220 Riverside Along Bautista Canyon Road; 1.3 road miles northwest of Hixon Trailhead. 700 Comment
  UCR199611  Argemone munita Scott D. White, Angelia Carey 2004-7-2 10568 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  POM17817  Argemone munita subsp. robusta P. A. Munz, D. D. Keck 1923-6-14 7083 Riverside Glen Ivy Trail to Santiago Peak. 1494 Comment
  RSA221051  Argemone munita subsp. robusta E. W. Lathrop 1966-5-8 6403 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA0122711  Argyrochosma jonesii Duncan S. Bell, LeRoy Gross 2016-3-30 9149 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  CLARK-A1528-4464  Aristida adscensionis John C. Roos 1952-4-9 5508 Riverside Mt. Rubidoux 365 Comment
  LA9315  Aristida adscensionis A. N. Dunn; A. M. Martin 1932-3-26 sn Riverside Box Canyon Comment
  RSA692195  Aristida adscensionis Scott D. White, Michael Honer 2003-5-14 9298 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (='Superior') Gypsum Mine. 76 Comment
  RSA735401  Aristida adscensionis Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11231 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
  RSA0026168  Aristida oligantha Marc Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17715 Riverside Palo Verde Mesa, 14 kilometers SW of Blythe, 5 kilometers ENE of north end of Mule Mountains. Comment
  JOTR29524  Aristida purpurea var. nealleyi La Doux, Tasha 2003-9-4 1576 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Barker Dam 1280 Comment
  SD162838  Aristida purpurea var. nealleyi A. C. Sanders, E. J. Lawlor 1992-4-4 12119 Riverside McCoy Mountains, within I(c) mile of McCoy Spring, alluvial slopes below and to the south, and canyon bottom above the spring. Among rocks on the canyon bottom. 244 Comment
  RSA0097962  Aristida purpurea var. parishii Duncan S. Bell 2014-11-14 7711 Riverside Santa Rosa Mountains; collecting in the Santa Rosa Mountain Wilderness area; west side of Martinez Mountain; at meeting point of Horsethief Creek and the Cactus Spring Trail. 1055 Comment
  UCR273985  Aristida ternipes var. gentilis Mitch Provance 2012-5-24 512- 22 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  UC101099  Artemisia californica Vernon Bailey 1907-10-24 Riverside Cabazon Comment
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Mar 13 2011
  UCR123871  Artemisia californica Steven R. Hill 2001-4-29 33539 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
  UCR145970  Artemisia californica June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  SEINET10671672  Artemisia californica David B. Dunn 1946-2-22 Dunn 1951 Riverside Collected on north side of Whitewater Canyon. Comment
  CAS-BOT-BC93651  Artemisia ludoviciana subsp. incompta Louis C. Wheeler 1931-10-4 171 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  UCR17532  Artemisia ludoviciana subsp. incompta Frank C. Vasek 1979-7-26 s.n. Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  SEINET10455446  Asclepias David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2870 Riverside Pushawalla canyon, indio hills. On dry plateau; channel .5 mi. Nw. Comment
  UCSB4912  Asclepias albicans Haller, John 1958-3-22 Riverside Near U.S. highway 60-70, 7 miles east of Box Canyon road junction (Calif. 195) 365 Comment
  SEINET955535  Asclepias californica H. S. Gentry 1954-1 14257 Riverside Dripping Springs, along Route 89. Comment
  RSA0021475  Asclepias eriocarpa R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49540 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso Comment
  UCR4503  Asclepias erosa John Dean 1965-7-28 s.n. Riverside Sonoran (Colorado) Desert, 15 mi. west of Blythe on U.S. Hwy 60 274 Comment
  POM48555  Asclepias subulata F. W. Peirson 1924-12-30 5420 Riverside Thousand-Palms Canyon, north side of Coachella Valley. 122 Comment
  RSA76054  Asclepias subulata Marcus E. Jones 1906-4-30 s.n. Riverside Indio. Comment
  SBBG46422  Asclepias subulata C. H. Muller 1952-5-21 9514 Riverside mouth of Morongo Cyn Comment
  SBBG5722  Asclepias subulata H. and M. Dearing 1940-11-10 5009 Riverside Thousand Palms Cyn Comment
  UCR280425  Asclepias subulata Onkar Singh 2015-11-9 5608 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 5 km east of Eagle Mountain Mine 284 Comment
  RSA0011738  Asplenium vespertinum Steve Boyd, Aydee Virgen 2004-4-13 10896 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR228163  Astragalus aridus Dave Silverman, Fred T. Sproul, Tammie Beyerl, Erin Bergman 2010-3-29 7877 Riverside Sonoran (Colorado) Desert, East end of Chuckwalla Valley, W of Blythe, 615 m S of gas line frontage, 1.35 km S of I-10 and 7.4 km west of Nicholl's Warm Spring 155 Comment
  RSA415465  Astragalus didymocarpus Anstruther Davidson 1920-05 s.n. Riverside Temescal Comment
  LA204953  Astragalus douglasii var. parishii Elizabeth McClintock; 1939-9-1 sn Riverside San Jacinto Mountains, Idyllwild Comment
  SD137785  Astragalus gambelianus Darin L. Banks, Steve Boyd 1995-5-9 320 Riverside Northwest Palomar Mountains, north of the Agua Tibia Wilderness Area; west of the Dripping Springs Alcove Area, west of Woodchuck Campground. 730 Comment
  RSA779776  Astragalus insularis var. harwoodii Duncan S. Bell 2010-4-2 685 Riverside Arica Mountains: western side of the mountain range in the Palen/McCoy Wilderness; about 2.5 air miles northwest of Priest Well; collecting along a sand wall/sand ramp above the main western drainage of the mountain range. 209 Comment
  CAS-BOT-BC187121  Astragalus lentiginosus var. borreganus S. B. Parish 1907-4-15 6119 Riverside Western base of the Colorado Desert 360 Comment
  RSA715087  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; several miles downstream from gaging station. 366 Comment
  UC73172  Astragalus pachypus var. jaegeri M. F. Gilman 1904-1 43 Riverside Banning Comment
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Mar 13 2011
  CAS-BOT-BC192757  Astragalus palmeri S. B. Parish 1914-3-30 9096 Riverside San Felipe, Colado Desert Comment
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Aug 6 2019
  CAS-BOT-BC192822  Astragalus pomonensis M. E. Jones 1882-4-24 3166 Riverside San Jacinto Comment
  CSUSB1292  Astragalus pomonensis Heather Johnston 1967-4-9 040967 2 Riverside 1.2 miles south on Lawless Road from Route 395 exit. 50 yards up turnoff road, 5 yards from roadside (right side). 365 Comment
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Apr 6 2013
  RSA228804  Astragalus pomonensis Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 605 Riverside Santa Rosa Plateau, ca. 5 miles south west of Murrieta near Forest Route 7S01. 487 Comment
  RSA415664  Astragalus pomonensis Ora M. Clark 1929-3-2 1613 Riverside Near Murrieta. Comment
  SD143546  Astragalus pomonensis R. D. Goeden, D. W. Ricker 1965-6-10 Riverside Temecula Valley, tributary of Temecula River near Oak Mountain, along dry sandy bottom of wash 456 Comment
  UCR121084  Astragalus pomonensis A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24964 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  SD82731  Athyrium filix-femina var. cyclosorum Clinton S. Kimball 1892-1 Riverside Strawberry Valley Comment
  RSA0120242  Athysanus pusillus Duncan S. Bell 2016-4-14 9275 Riverside Santa Rosa Mountains; near the head of Deep Creek, along the Sawmill Tail; in the vicinity of the old water tank along the road. 1301 Comment
  UCR108994  Athysanus pusillus D. L. Banks, V. W. Steinmann 1997-3-13 1519 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-BC98818  Atrichoseris platyphylla F. O. Ballou 1926-2-26 s.n. Riverside Painted Canyon [Canon] Comment
  CAS-BOT-BC98820  Atrichoseris platyphylla R. Bacigalupi 1928-2-1 s.n. Riverside Colorado Desert - Painted Canyon Comment
  UCR261562  Atriplex T. B. Salvato, Matt Malle, Thomas M. Sullivan Jr 2014-5-30 8055 Riverside Perris-Aguanga Basin, Wildomar, c. 2 mi east of Lake Elsinore, west side of Mission Trail, north of Victorian Lane 387 Comment
  UCR116935  Atriplex argentea A. C. Sanders, D. Malueg 2001-5-17 24359 Riverside Perris-Aguanga Basin, 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
  UCR59478  Atriplex argentea subsp. expansa Ed LaRue 1989-9-22 s.n. Riverside Perris area: just north of intersection of Nuevo Rd and Foothill Ave 457 Comment
  CLARK-A1528-1189  Atriplex canescens John C. Roos 1946-9-2 2987 Riverside Moreno Valley Comment
  OBI35031  Atriplex canescens Sears 1978-4-12 1179 Riverside 8 mi NE of Desert Center 158 Comment
  OBI38366  Atriplex canescens David J. Keil 1980-11-30 s.n. Riverside At Whitewater along I-10 Comment
  CAS-BOT-BC170200  Atriplex canescens subsp. canescens K. Larson 1976-9-30 60062 B Riverside So. of Big Maria Mountains N. of Blythe Comment
  RSA189415  Atriplex canescens var. linearis L. S. Rose 1966-12-11 s.n. Riverside Palm Springs. 152 Comment
  RSA516693  Atriplex coronata var. notatior Marc Baker, Robert Johnson 1990-5-20 7851 Riverside southeast of Bernasconi Hills. T4S R3W section 23. 433 Comment
  SD133118  Atriplex coronata var. notatior D. Bramlet 1990-7-20 2058 Riverside 6.6 km west of Hemet and ca. 880 meters west of intersection of Florida and Warren Streets. 500 Comment
  CAS-BOT-BC334494  Atriplex elegans var. elegans R. E. Riefner, Jr. 2013-8-17 13 -190 Riverside City of Lake Elsinore, along Collier St. and Hwy 74 S to Temescal Wash. 393 Comment
  SEINET5585510  Atriplex elegans var. elegans R. E. Riefner Jr. 2013-1 13 -190 Riverside City of Lake Elsinore, along Collier St. and Hwy. 74 S to Temescal Wash. 393 Comment
  UCR234763  Atriplex elegans var. elegans A. C. Sanders, John F. Green 2012-6-25 40307 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near I-15 crossing of Temescal Canyon Rd. and Temescal Creek, c. 2.6 km SE of Lee (Corona) Lake 361 Comment
  CAS-BOT-BC158104  Atriplex hymenelytra 0065 Riverside Base of Coxcomb Mts., mile 10.00 Hwy from Desert Center to Rice Comment
  SBBG65380  Atriplex hymenelytra S. W. Hutchinson -Feb-1926 Riverside Painted Cyn 30 Comment
  SD253433  Atriplex hymenelytra A. C. Sanders, Jim Malusa 2015-3-10 41370 Riverside Sonoran (Colorado) Desert: North end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range. 609 Comment
  SD87786  Atriplex hymenelytra F. W. Peirson 1924-12-30 5415 Riverside 1000 Palms Canon Comment
  UC1922406  Atriplex hymenelytra Naomi Fraga, Lisa Rojas 2005-2-10 1379 b Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR165816  Atriplex hymenelytra John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCSB22915  Atriplex lentiformis Wheeler, Louis 1931-11-27 Riverside 3 mi. SE Salton bench mark -76 Comment
  RSA289849  Atriplex lentiformis subsp. lentiformis B. A. Prigge 1980-9-17 4057 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio. -3 Comment
  CAS-BOT-BC176541  Atriplex polycarpa W. I. Follett; E. B. Follett 1963-4-23 s.n. Riverside Below Coachella Canal road, 22.1 mi. se. of Mecca Comment
  HSC4352  Atriplex polycarpa L. S. Rose 1967-12-19 67177 Riverside La Quinta 15 Comment
  RSA760984  Atriplex polycarpa Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks, M. Volke 2010-4-20 146 Riverside Hwy 177. N of Desert Center and Desert Lily Sanctuary. E of Joshua Tree National Park border. 274 Comment
  RSA653203  Atriplex prostrata Mitch Provance, Steve D. Boyd 1999-9-14 1781 Riverside Riverside: Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp. 238 Comment
  UCR123221  Atriplex rosea O. F. Clarke, Jeanine Derby 1973-9-14 s.n. Riverside Peninsular Range, Temecula 300 Comment
  POM121924A  Atriplex semibaccata Marcus E. Jones 1900-7-16 6526 Riverside Temecula. Comment
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Mar 27 2011
  UCR8992  Atriplex semibaccata O. F. Clarke 1969-9-26 s.n. Riverside San Bernardino Valley/upper Santa Ana River Region, City of Riverside, University of California campus 335 Comment
  SD146321  Atriplex suberecta A. C. Sanders, K. C. Rose 1998-5-21 21854 Riverside Hemet; alkaline flats west of town, east of the canal, south of Highway 74 and ca. 0.25 mile west of Warren Road. 456 Comment
  SD137969  Avena barbata Darin L. Banks 1995-4-11 182 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the Dripping Springs Trail. 779 Comment
  POM18172  Azolla filiculoides Philip A. Munz 1923-3-10 6588 Riverside San Jacinto River, 3 miles from Elsinore Comment
  LA210512  Baccharis emoryi Louis C. Wheeler; 1933-12-12 2316 Riverside US 99, 2 mi. NW Whitewater Station 365 Comment
  POM319734  Baccharis emoryi Patricia Wilder 1971-11-17 5321 Riverside Along the Santa Ana River at end of Pedlay Sreet, north of Norco. 198 Comment
  RSA0062662  Baccharis emoryi M. P. Harthill 1973-2-25 1842 Riverside 8 miles North of Elsinore, CA. Comment
  RSA117755  Baccharis salicifolia S. Carlquist 1958-5-31 489 Riverside Sandstone hills along W side of Prodo Dam. Comment
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Apr 4 2013
  SEINET899225  Baccharis salicifolia H. K. Wagnon 1944-1 313 Riverside About 100 yds. S. of Trading Post, Palm Canon Comment
  UCR174351  Baccharis salicifolia A. C. Sanders 2006-5-19 32392 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  CAS-BOT-BC106671  Baccharis salicina I. M. Johnston 1917-12-1 1811 Riverside Chino Creek south of Ontario 152 Comment
  UCR241396  Baccharis salicina T. B. Salvato 2013-3-22 7391 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), on Los Alamos Rd at its crossing of Warm Springs Creek 402 Comment
  RSA0123170  Baccharis sergiloides Duncan S. Bell, Andrew Chambers 2016-12-21 10219 Riverside The Dos Palmas Preserve area, at the southern end of the Orocopia Mountains, and at the northeastern section of the Salton Sea. -41 Comment
  CAS-BOT-BC295889  Bahiopsis parishii Lewis S. Rose 1966-12-14 66104 Riverside Chino Canyon, 3 mi. w. of Palm Springs Desert 670 Comment
  UCR166718  Baileya multiradiata Scott D. White, Jennifer H. Jones 2005-4-12 10868 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  HSC5162  Baileya pauciradiata R. A. Eagle 1964-3-28 15 Riverside 2 miles this side of Palm Springs Comment
  POM8383  Bebbia juncea Mary F. Spencer 1920-3-22 775 Riverside Palm Springs 122 Comment
  UCR143338  Bebbia juncea I. W. Clokey 1935-4-17 6966 Riverside Sonoran (Colorado) Desert, Shavers Well 274 Comment
  CAS-BOT-BC100139  Bebbia juncea var. aspera Alice Eastwood 1913-4-30 3026 Riverside Palm Springs Comment
  JEPS19301  Bebbia juncea var. aspera W. L. Jepson 1914-5-1 6024 Riverside County Well Colorado Desert, Cottonwood Mts. Comment
  UC128834  Bebbia juncea var. aspera Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Comment
  SD127585  Bernardia incana Robert F. Thorne, Avi Shmida and Robert Whittaker 1978-4-23 52074 Riverside North slope of Santa Rosa Mountains; Bighorn Lookout. Comment
  UCR85191  Bernardia myricifolia A. C. Sanders, George K. Helmkamp, P. J. MacKay 1995-3-19 16177 Riverside Coachella Valley/San Jacinto Mtns. foothills, Chino Canyon near the Palm Springs tram station 793 Comment
  SDSU17533  Bidens pilosa Jerry Jenkins 2001-4-2 2001 -050 Riverside Santa Margarita Ecological Reserve. West of Santa Margarita River, UTM zone 6, 481750E, 3699500N. UTM transfered to GIS. Comment
  RSA482755  Boechera M. B. Dunkle 1937-3-25 4952 Riverside Dry Morongo. Comment
  CAS-BOT-BC13901  Boechera johnstonii Ynez Whilton Winblad 1937-4-23 s.n. Riverside West slope of Mount San Jacinto. Comment
  CLARK-A1656-805  Boerhavia coccinea Theo Glenn 1982-10-7 Riverside Snow Creek 396 Comment
  JOTR33811  Boerhavia coccinea La Doux, Tasha, B. Truesdell 2007-11-9 3328 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
  UCR94923  Boerhavia coccinea Scott D. White 1996-9-22 4525 Riverside San Jacinto Mtns., South fork of San Jacinto River, Hwy 74, c. 1-3 road mi. east of U.S. Forest Service Cranston Fire Station. 762 Comment
  UCR211474  Boerhavia intermedia Jim Andre, T. La Doux 2008-9-13 10279 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, at base of Bell Mountain (NW end) at 'Pinto Y' maintenance service area 1104 Comment
  CAS-BOT-BC434534  Boerhavia triquetra Edmund C. Jaeger 1931-10-25 s.n. Riverside 2 miles north of Lost Horse Mine, crossroads of Lost Horse-Stubby Springs road, Little San Bernardino Mountains Comment
  POM258904  Boerhavia triquetra E. C. Jaeger 1939-12-3 s.n. Riverside Orocopia Mts. 366 Comment
  JOTR16776  Bouteloua barbata var. barbata Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROADSIDE BETWEEN RYAN MOUNTAIN AND CAP ROCK 1310 Comment
  JOTR32609  Bouteloua barbata var. barbata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2673 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
  RSA0022740  Bouteloua barbata var. barbata Kristin Forgrave, Deidre Conocchioli, April Garbat 2013-8-13 35 Riverside Sonoran Basin & Range. Chuckwalla Valley: From Blythe, Ca, head west on 1-10 for 23 miles. Exit at Ford Dry Lake, turn left to cross back over the interstate and turn right on Chuckwalla Valley Rd., Site is 1.5 miles down on south side of road, near intersection of Graham Pass Rd (unpaved). 120 Comment
  RSA0027473  Bouteloua barbata var. barbata Deidre Conocchioli, Billy Sale, Naomi Fraga 2013-9-25 53 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  UCR201433  Bouteloua curtipendula Scott D. White, Justin M. Wood 2008-6-17 12177 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  UCR113619  Bouteloua gracilis Stan C. Spencer 1999-12-15 s.n. Riverside San Gorgonio Pass, Beaumont, Oak Valley Golf Club 762 Comment
  HSC87004  Boykinia rotundifolia F. C. Vasek 1987-7-14 8707141 Riverside Vista Grande Road (3508) 1 mile E of Banning-Idyllwild Road (SH234) 1524 Comment
  SDSU17528  Brachypodium distachyon Jerry Jenkins 2001 -043 Riverside Santa Margarita Ecological Reserve. Weed in orange grove, collected with Jenkins 2001-041. UTM transfered to GIS. Comment
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Aug 11 2017
  JEPS121589  Brandegea bigelovii Adam C. Schneider with Will Freyman 2014-2-16 397 Riverside Box Canyon Road. Comment
  JOTR28882  Brandegea bigelovii La Doux, Tasha 2004-2-24 1118 Riverside Joshua Tree National Park. Cottonwood Canyon 932 Comment
  UCD107475  Brandegea bigelovii G. L. Webster; R. Hildreth 1966-12-9 7457 Riverside Joshua Tree National Monument. 6 mi NW Cholla Garden. 944 Comment
  UCR144414  Brandegea bigelovii Scott D. White, Michael Honer 2003-5-15 9313 Riverside Sonora (Colorado) Desert, Bajada below Little Maria/Big Maria Mtns, near Inca RR siding and c. 15 air mi NW of Blythe 76 Comment
  RSA657173  Brassica nigra Bob Rogers 1984-4-21 16 Riverside collected along trail and bank area on the west side of Strawberry Creek heading upstream. Starting point was 4.9 miles from Cranston ranger station heading East on Hwy. 74. 915 Comment
  CLARK-A1703-1190  Brassica tournefortii Charles S. Papp 1964-5-22 468 Riverside Riverside Comment
  NY43448  Brassica tournefortii C. R. Annable 1995-3-9 2257 Riverside BLM land, ca. 13km N of Rancho Mirage, behind A-1 Cement Comment
  RSA771764  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4620 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA783014  Brassica tournefortii J. Andre 2011-2-9 15931 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
  POM159822  Brickellia arguta var. arguta E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mts, eastern Riverside Co. 610 Comment
  UCR34878  Brickellia californica L. B. Ziegler 1973-10-20 520 Riverside San Jacinto Mtns., Hemet (Garner) Valley, W side of valley. 1500 Comment
  CLARK-A1528-5510  Brickellia desertorum John C. Roos 1947-11-1 3751 Riverside Eagle Mountains Comment
  RSA586250  Brickellia desertorum R. E. Riefner 1995-11-4 95385 Riverside S of Clay Canyon Rd. off I-15 Wierick exit, E of Corona Comment
  RSA592445  Brickellia desertorum L. C. Wheeler 1966-10-15 8986 Riverside San Jacinto Mountains. Carrizo Creek, off Dead Indian Canyon. 854 Comment
  UC63389  Brickellia desertorum E. A. Zumbro 1902-10-1 362 Riverside Comment
  UCR19255  Brickellia desertorum John C. Roos 1947-11-1 3752 Riverside Sonoran (Colorado) Desert, Eagle Mountains, mouth of Lost Palms Canyon, & up the canyon some distance Comment
  UC473480  Brodiaea filifolia John Thomas Howell 1930-5-10 4790 Riverside clay flats, 2 mi S of Perris Comment
  UCR191208  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-15 930 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve; Waterline Road, 0.4 km east-southeast of the northernmost high point of the Mesa de Burro 564 Comment
  RSA356724  Brodiaea terrestris subsp. kernensis Robert F. Thorne, Earl Lathrop 1975-5-25 45552 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  UCR202578  Brodiaea terrestris subsp. kernensis Scott D. White, Justin M. Wood 2008-7-8 12391 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UCR218065  Brodiaea terrestris subsp. kernensis Steve Boyd 2010-5-28 12284 Riverside Santa Ana Mountains, Elsinore Peak, just south of trail along ''old Main Divide Road'' at easternmost clay knoll east of main peak 1000 Comment
  CAS-BOT-BC149443  Bromus berteroanus John Roos; Lucille Roos 1953-3-21 5909 Riverside Mouth of Andreas Canyon south of Palm Springs. 274 Comment
  RSA0036798  Bromus diandrus Starr Streight 1982-4-17 25 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Weedy disturbed road margins and field adjacent to Cajalco Rd. Comment
  UCR178343  Bromus diandrus Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1050 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UCR41343  Bromus diandrus N. M. Fellows 1984-3-20 14 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mtns, 1 mi west of Snow Creek Village 488 Comment
  POM122857  Bromus grandis Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  UCR108872  Bromus grandis Heidi A. Haid 1968-1 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR92281  Bromus hordeaceus Scott D. White, M. D. Wilcox 1995-7-11 3472 Riverside Peninsular Range; Santa Ana Mtns., upper forks of Decker Canyon, SW of Main Divide Truck Trail 730 Comment
  SD248298  Bromus madritensis subsp. rubens A. C. Sanders, John F. Green 2012-3-26 39998 Riverside Peninsular Range;, Santa Ana Mountains Area: Temescal Canyon, mouth of a small canyon between Horsetheif Canyon and I-15 Fwy crossing of Temescal Wash, west of Hostettler Road (Alberhill 7.5'Q) 369 Comment
  SEINET258474 Image available Bromus orcuttianus var. hallii Unknown 1990-6-25 679 Riverside San Jacinto Mtns., ca 3 km SE of Pine Cove on San Bernardino NF Rd 5S10 1830 Comment
  POM363961  Bromus rubens Ora M. Clark 1929-2-23 1531 Riverside South Cabazon. Comment
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Mar 13 2011
  POM7101  Bromus rubens P. A. Munz, L. T. Street, G. Williams 1919-3-28 2365 Riverside Cabazon. Comment
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Mar 13 2011
  UCR2244  Bromus rubens F. M. Reed 1906-3-16 907 Riverside Riverside, along Southern Pacific RR tracks between Indianapolis Ave. [=Spruce St.] and Chicago Ave. 280 Comment
  NY664634  Bromus tectorum V. Duran 1932-5-18 3218 Riverside San Jacinto Mountains 1676.4 Comment
  RSA772333  Bromus tectorum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4514 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR230762  Bromus tectorum A. C. Sanders, T. B. Salvato 2011-3-30 38894 Riverside Peninsular Range, city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  POM47669  Caesalpinia virgata Mary F. Spencer 1920-3-13 1448 Riverside Painted Canyon near Mecca -60 Comment
  RSA498294  Caesalpinia virgata Robert M. Perkins, H. de Forest 1937-3-15 399 Riverside 20 miles East of Indio. Comment
  RSA605774  Caesalpinia virgata A. C. Sanders 1995-5-23 17113 Riverside Coachella Valley: alluvial fans below the Santa Rosa Mtns., N. of Toro Canyon, W of Monroe St., South of Ave 62. 15 Comment
  RSA86999  Caesalpinia virgata F. W. Peirson 1917-4-1 s.n Riverside Along south edge of Colorado Desert embayment east of Palm Springs, above ''Garden of Eden'. Comment
  UCR216229  Caesalpinia virgata Jim Andre, T. La Doux 2009-2-28 10842 Riverside Sonoran (Colorado) Desert, Coachella Valley, along lower Berdoo Canyon Rd (dirt), c. 1.5 mi. north of Dillon Road and just south of Joshua Tree Nat. Park boundary 313 Comment
  UCR171960  Calandrinia ciliata John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  UCR225591  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2011-3-29 38883 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor between Byers St. at west end of McLaughlin Rd. and Wheat St. 447 Comment
  RSA761225  Calocedrus decurrens Shawn Krosnick, C. Martinez, N. Fraga, L. McDade 2010-8-14 712 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA741582  Calochortus concolor Scott D. White, Justin M. Wood 2008-6-17 12178 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UC3384  Calochortus concolor H. M. Hall Jun 1901 2103 Riverside e base San Jacinto Mts. (along the borders of the Colorado Desert); Colorado Desert, San Jacinto Mts. Comment
  CAS-BOT-BC488545  Calochortus concolor Carl B. Wolf 1932-5-24 3654 Riverside No. base of San Jacinto Mts., Snow Creek Canyon, 1 mile above Fish Hatchery 792 Comment
  RSA679166  Calochortus invenustus Fred M. Roberts 2003-6-25 5935 Riverside Santiago Peak, old road near Orange County line, c.a. 150m N jct. with Main Divide Truck Trail, 0.5km north summit. 1633 Comment
  RSA783084  Calochortus invenustus J. D. Olmsted 1959-6-23 665 Riverside M. fk. San Jacinto River. Desert Sun School near Idyllwild 1646 Comment
  LA22459  Calochortus palmeri Elizabeth McClintock; 1938-5-18 sn Riverside San Jacinto Mountains Comment
  UCR174331  Calochortus splendens A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32559 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR175072  Calochortus splendens Teresa Nieto 2005-4-24 16 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UC63832  Calochortus weedii H. M. Hall 1895-6-9 Riverside Temescal Comment
  RSA500171  Calochortus weedii var. intermedius Steve Boyd, Orlando Mistretta, Walter Wisura 1989-5-30 3656 Riverside Vail Lake area, burned area just SW of the dam, S of Temecula Creek. 488 Comment
  UCR125563  Calochortus weedii var. intermedius Chris E. True 2003-6-18 s.n. Riverside Santa Ana Mountains, Cleveland National Forest. Hagador Canyon, Trabuco Ranger District, SW of the city of Corona 600 Comment
  UC1608218  Calochortus weedii var. weedii Steve Boyd and Tim Ross 1992-6-10 7624 Riverside near the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) (at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek, San Mateo Canyon); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 405 Comment
  POM10242  Calycadenia tenella Charlotte M. Wilder 1904-6-4 138 Riverside Wilder's Canion. Comment
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Jul 24 2010
  POM99048  Calycadenia tenella E. C. Jaeger 1926-5-1 s.n. Riverside Joseph Canyon, Santa Ana Mts. Comment
  JEPS29467  Calycoseris parryi Lauramay T. Dempster 1962-4-17 1891 Riverside about 1 mi below Fish Hatchery; Whitewater Canyon Comment
  JOTR34075  Calycoseris parryi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2972 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
  RSA564036  Calycoseris wrightii A. C. Sanders 1992-4-4 12114 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  UCR26070  Calycoseris wrightii John C. Roos, Lucille Roos 1949-4-9 4209 Riverside Sonoran (Colorado) Desert, near the Riverside Mtns., 30 miles north of Blythe 137 Comment
  JEPS52570  Calyptridium monandrum W. L. Jepson 1901-5-24 1425 Riverside journey from Riverside to Santa Rosa Peak and Palomar (Van Deventer's Ranch); Van Deventer's Ranch Comment
  RSA466602  Calyptridium parryi var. parryi E. C. Jaeger 1921-6-15 s.n. Riverside Strawberry Valley. 1585 Comment
  CLARK-A1528-2607  Calystegia macrostegia John C. Roos 1950-4-22 4748 Riverside Pigeon Pass 457 Comment
  UCR120957  Calystegia macrostegia A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23887 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  POM12924  Calystegia occidentalis subsp. fulcrata P. A. Munz 1922-6-27 5843 Riverside Santa Rosa Mountains, Santa Rosa. 1981 Comment
  SEINET4680874  Camissonia bistorta R. L. Piemeisel 1913-4-16 3434 Riverside Bottom of Rubidoux Mt.; 0 305 Comment
  UCR106419  Camissonia bistorta George K. Helmkamp, A. C. Sanders 1997-3-15 1491 Riverside Skinner Lake, Grassland at base of Bachelor Mtn. and adjoining chapararal. 488 Comment
  UCR173399  Camissonia bistorta Abby Sirulnik 2000-4-13 06 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 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
  RSA184301  Camissonia boothii subsp. condensata P. A. Munz 1932-3-14 11990 Riverside Colorado Desert, Coachella Valley, Deep Canyon. 152 Comment
  RSA387327  Camissonia boothii subsp. condensata Aaron Liston, T. S. Elias, O. R. Dorado, S. Zona 1986-11-29 642 -1 Riverside Colorado Desert. West of Chiriaco Summit. Comment
  RSA134153  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-2-15 11583 Riverside Colorado Desert. with parents, on roadside embankment at turn to Corn Springs, base of Chuckwalla Mountains. Comment
  RSA144673  Camissonia californica William M. Klein 1958-2-11 43 Riverside Along highway 99 [Hwy 86], 2.8 miles NW of the Riverside-Imperial County line, on shoulder of road. Comment
  RSA501040  Camissonia californica Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3161 Riverside Agua Tibia Mountains. Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA777290  Camissonia californica Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4543 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  UCR133966  Camissonia cardiophylla Mitch Provance, J. S. Ross 1998-3-27 MOR- 954 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon, c. 1.2 miles NE of the town of Cabazon 579 Comment
  SEINET10492060  Camissonia claviformis David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-14 Dunn 3759 Riverside Found at top of hills to the w of wash. Pushawalla canyon, indio hissl of the colorado desert; w of indio. Comment
  RSA776818  Camissonia claviformis subsp. aurantiaca Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1091 Riverside Chuckwalla Mountains, Corn Springs Road; Road crossing of main wash that drains Chuckwallas to the east toward the Chuckwalla Bench 427 Comment
  UCR274854  Camissonia claviformis subsp. aurantiaca Aaron C. Sedgwick, David Fraker 2012-4-24 005 Riverside Sonoran (Colorado) Desert, Palen Valley south of Hwy I-10 on Dupont Road, c. 2 miles northeast of the Chuckwalla Mountains Wilderness Area 183 Comment
  RSA543580  Camissonia graciliflora Steve Boyd 1991-5-7 6162 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA574744  Camissonia graciliflora Steve Boyd 1981-3-31 s.n. Riverside Gavilan Hills region, south end of Harford Springs County Park on the Gavilan Plateau, just north of Ida-Leona Road. 610 Comment
  UCR228884  Camissonia hirtella A. C. Sanders 2011-4-6 39021 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UCR251998  Camissonia hirtella A. C. Sanders, T. B. Salvato 2014-7-2 41159 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCR98676  Camissonia hirtella S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  UCR241105  Camissonia ignota A. C. Sanders, Timothy W. Chumley 2013-4-2 40743 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  RSA449250  Camissonia pallida subsp. hallii Anstruther Davidson 1929-04 s.n. Riverside Morongo Canyon. Comment
  RSA458837  Camissonia pallida subsp. pallida N. R. Zabriskie 1973-4-5 621 Riverside Mesa S side Andreas stream, Andreas Canyon, E slope San Jacinto Mtns. 305 Comment
  UCR148294  Camissonia refracta John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 26 and 28, north of Hunters Spring, near S base of Orocopia Mtns. 21 Comment
  RSA556435  Camissonia strigulosa Julie Greene 1993-4-17 1188 Riverside San Jacinto Wildlife Area. Flat area west of Davis Rd. 445 Comment
  RSA741072  Camissonia strigulosa Scott D. White, Justin M. Wood 2008-6-5 12080 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 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
  SD148111  Camissoniopsis bistorta A. C. Sanders, T. B. Salvato 2000-5-25 23426 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Bradley rd., 2 miles due east of railroad Canyon Lake (Romoland 7.5' Q.) on decomposed granite slopes along a dirt road, generally N-facing slopes with sandy soil 438 Comment
  UC830200  Carex P. A. Munz 1922-7-7 6052 Riverside Round Valley San Jacinto Mts. 2712 Comment
  CAS-BOT-BC17706  Carex alma Philip Alexander Munz 1941-5-18 16652 Riverside Elsinore Mountains. North end of Santa Rosa Ranch, 914 Comment
  RSA0099995  Carex alma Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8574 Riverside Santa Rosa Mountains; along Forest Service Road 7S02, approx. 0.7 air mile west of the summit of Santa Rosa Mountain. 2233 Comment
  CAS-BOT-BC65001  Carex barbarae Jennifer H. Jones 2006-6-6 408 Riverside Santa Ana Mtns: Celeveland National Forest: along CA Hwy 74, San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  UCR281827  Carex barbarae Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 106 Riverside Temescal Valley, South Corona, Warm Springs Dr. at intersection with Whitetail Dr., drainage likely associated with Anderson Canyon, adjacent to large swath of relict disturbed bottomland. 345 Comment
  UCR227911  Carex bolanderi Peter F. Zika, Nick Otting, K. Kramer 2010-8-6 25300 Riverside San Jacinto Mountains, bridge over North Fork San Jacinto River, Dark Canyon, at campground 1785 Comment
  POM259174  Carex douglasii Phillip A. Munz 1938-8-13 15327 Riverside Cedar Spring, north base of Santa Rosa Peak. 2378 Comment
  RSA754127  Carex fracta W. Schlegel, Andrew Troutte 2008-8-8 5 Riverside Idyllwild: Dry creek bed. Comment
  RSA633879  Carex nebrascensis Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38142 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  UC455134  Carex preslii I. J. Condit 1910-6-23 Riverside San Jacinto Peak summit 3291 Comment
  POM19849  Carex sartwelliana Mary F. Spencer 1923-6-12 2164 Riverside Idyllwild, San Jacinto Mountains. 1646 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
  JEPS13641  Castilleja applegatei subsp. martinii Peter Kamb 1948-7-3 1145 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  RSA507965  Castilleja applegatei subsp. martinii Steve D. Boyd, C. Boyd, R. Noyes, L. Arnseth 1988-5-28 2283 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA97671  Castilleja applegatei subsp. martinii R. M. Straw 1954-6-10 608 Riverside Mountain Home Spring, Santa Rosa Mountain, San Jacinto Mountains. Comment
  SBBG35075  Castilleja exserta T. L. Secrest 1951-5-19 Riverside near Hemet Lake Comment
  SD134194  Castilleja exserta R. Mitchel Beauchamp 1972-4-16 3297 Riverside Pauba Valley, N of Highway 71-79 430 Comment
  JEPS13247  Castilleja foliolosa Annie M. Alexander and Louise Kellogg 1941-4-24 2081 Riverside w side Dry Morongo Creek Gorge; Morongo Valley, Dry Morongo Creek Gorge 640 Comment
  RSA262097  Castilleja foliolosa E. W. Lathrop 1971-3-24 7466 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA400585  Castilleja foliolosa N. C. Cooper 1949-6-29 4332 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  UC57006  Castilleja minor subsp. spiralis F. Gilman 1902-1 35 Riverside Palm Springs Comment
  RSA0010914  Castilleja minor subsp. spiralis D. Charlton 1988-5-21 1971 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on hwy 74. 1677 Comment
  UCR101840  Caucalis microcarpa B. G. Pitzer 1997-4-1 3057 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  RSA531125  Caulanthus heterophyllus Robert Gustafson 1983-4-18 2504 Riverside Clinton Keith Road, about 3 miles from its junction with Hwy. 15, eastern slopes of the Santa Ana Mts. 457 Comment
  RSA567985  Caulanthus heterophyllus Karin Cleary 1992-4-6 117 Riverside Near top of ridge W of California St, Hemet. 610 Comment
  UCR121199  Caulanthus heterophyllus D. E. Bramlet 1991-5-10 2147 Riverside Perris-Aguanga basin region, North Domenigoni Hills, saddle between large peak in NW/4 of Sec. 31 & the 2071 ft. ridgeline to the west 567 Comment
  SBBG2444  Caulanthus lasiophyllus K. K. Muller 1958-3-21 907 Riverside Whitewater Cyn, 1.5 mi N of Interstate 70 Comment
  SD124697  Caulanthus lasiophyllus A. C. Sanders, B. Pitzer and D. Charlton 1986-3-1 6016 Riverside Chuckwalla Valley, 1.0 mile west of Hayfield Lake, 2.0 miles southwest of the pumping station on a small cutoff road from Hayfield Road . 424 Comment
  UC1594223  Ceanothus Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3098 Riverside 1 mi W of Vail Lake 609 Comment
  CAS-BOT-BC48500  Ceanothus crassifolius A. C. Sanders 1994-1-30 14225 Riverside Box Springs Mountains, crest of the range along the pole line from the head of Two Trees Canyon 685 Comment
  RSA577527  Ceanothus crassifolius D. L. Banks, S. D. Boyd 1995-2-16 52 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., S of the Dripping Springs Alcove, E of the Woodchuck Trail. 976 Comment
  UCD111431  Ceanothus crassifolius R. N. Raynor 1941-7-28 s.n. Riverside Highway 71 between Temecula and Aguanga, southern border of county. Comment
  UCR50578  Ceanothus crassifolius B. G. Pitzer, E. Misquez 1988-2-28 619 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  UCR91599  Ceanothus crassifolius D. L. Banks, Steve Boyd 1995-3-15 0059 Riverside NW Palomar Mtns, Agua Tibia Wilderness Area, N face of Agua Tibia Mtns., Dorland Mtn. area 738 Comment
  RSA748220  Ceanothus greggii var. perplexans T. Scott, A. Townesmith, K. M. Meyer 2007-3-9 111 Riverside Cleveland National Forest. 0.8 mile down Woodridge Rd. in town of Oak Grove, at Oak Grove trailhead. 855 Comment
  RSA192351  Ceanothus leucodermis E. W. Lathrop 1966-3-20 6072 Riverside 10 miles west of Murrieta on the Tenaja Truck Trail between DeLuz and Tenaja Guard Station, Trabuco District. Comment
  SEINET5543273  Ceanothus leucodermis R. H. Whittaker, W. A. Niering 1961-1 s.n. Riverside San Jacinto Mountians, SW 25d slope. 1524 Comment
  UC1292595  Ceanothus leucodermis C. L. Hitchcock, C. V. Muhlick 1964-3-17 23109 Riverside on road to Elsinore 10 mi n Pala; n of Pala Comment
  UCR35172  Ceanothus leucodermis L. B. Ziegler 1970-5-25 407 Riverside San Jacinto Mtns., On floor and slopes of the Hemet Valley [Hemet Valley = Garner Valley] 1402 Comment
  UCR398  Ceanothus leucodermis Sally Crum 1966-5-12 s.n. Riverside Peninsular Range; San Jacinto Mtns., c. 2 miles below Lake Fulmor on Idyllwild to Banning road 1159 Comment
  UC718442  Ceanothus oliganthus var. oliganthus P. C. Everett 1935-6-18 7202 Riverside 1.7 mi n Los Pinos Potrero (Main Divide Motorway.); Santa Ana Mts. Comment
  SBBG4413  Ceanothus palmeri M. Van Rensselaer 1937-6-23 687 Riverside San Jacinto Mtns, W slope rd to Banning 1676 Comment
  SD225088  Ceanothus palmeri Scott D. White 1996-8-15 4476 Riverside Idyllwild Area: USFS Rd. 5S10 at jct. w/foot trail 2E16, at an intermittent stream channel. 1631 Comment
  POM310178  Ceanothus spinosus Hulda Crooks 1946-3-2 s.n. Riverside Beaumont-E. of Town. 701 Comment
Read comments
Feb 17 2013
  POM6883  Ceanothus tomentosus var. olivaceus P. A. Munz, L. T. Street, G. Williams 1919-3-25 2326 Riverside Beaumont. Comment
  CAS-BOT-BC277063  Centaurea melitensis T. C. Fuller 1964-4-14 11814 Riverside N.W. corner of Washington & La Fonda Sts., La Quinta, Coachella Valley Comment
  UCR93835  Centaurea melitensis G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Peninsular Range, Warm Springs Creek, Budweiser Ranch, 0.25-1 mi upstream of Los Alamos Road crossing 457 Comment
  OBI59578  Centaurium calycosum L. A. McGill & H. S. Gentry, H. S. Gentry 1979-5-25 2555 Riverside Murrieta; Howard Scott Gentry Experimental Research Ranch Comment
  RSA505035  Centaurium venustum Ed LaRue 1989-7-4 s.n. Riverside SSW of Temecula, W side of Calle Cuesta, 1 mile airline W of Hwy 15 and 1.5 miles airline S of Rancho California Road. 396 Comment
  UCR174448  Centaurium venustum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32505 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR93833  Centaurium venustum G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Peninsular Range, Warm Springs Creek, Budweiser Ranch, 0.25-1 mi upstream of Los Alamos Road crossing 457 Comment
  CSUSB295  Centranthus ruber Rex Sanders 1973-5-13 Riverside Santa Ana Mountains Collected in Santa Ana Mountains along Highway 74, 7.94 miles from the Orange County line, Cleveland National Forest, in Riverside city, above west end Lake Elsinore. 3 meters from roadside in decomposing granite soil, northeast-facing slope, east ... Comment
  RSA689431  Centromadia pungens subsp. laevis R. E. Riefner 2003-5-27 03 -248 Riverside Back basin of Lake Elsinore, Malaga Rd near Mission Trail Rd. Comment
  UCR252806  Centromadia pungens subsp. laevis Rose Cook, Ana Hernandez 2013-4-12 005 Riverside Perris Aguanga Basin, 290 meters south of Highway 79, 172 meters west of San Diego aqueduct, Upper Salt Creek, Hemet 457 Comment
  CDA33548  Cercidium floridum Mike Lahti 2010-5-3 PDR# 1358702 Riverside Palm Desert off Hwy 74. Comment
  RSA652884  Cercidium floridum John Wallace 1991-5-18 29 Riverside Colorado River. Approximately one half mile south of Collis Mayflower County Park. Comment
  RSA650397  Cercocarpus betuloides C. J. Humphrey, Herbert Humphery, E. T. Bartholomew 1936-6-7 130 Riverside In desert foothills 16 miles north of Riverside. 396 Comment
  RSA343094  Chaenactis artemisiifolia R. F. Thorne 1985-5-18 60620 Riverside Santa Rosa Plateau: Burned-over chapparral along Clinton Keith Road, near base of plateau. 427 Comment
  JEPS24882  Chaenactis carphoclinia var. carphoclinia Peter M. Ray 1949-3-12 1380 Riverside Painted Canyon Orocopia Mountains Comment
  RSA776843  Chaenactis carphoclinia var. carphoclinia Amber Swanson, Duncan S. Bell 2011-3-18 228 Riverside Above wash about 3 airmiles SE of Desert Center Nof the Chuckwalla Mtns 384 Comment
  CAS-BOT-BC276916  Chaenactis fremontii Ivan Johnston 1917-4-4 1064 Riverside Mouth of Andreas Canyon 228 Comment
  HSC28061  Chaenactis fremontii Richard Spjut 1973-4-6 3270 Riverside Colorado Desert, 4-5 mi. N of Palm Springs on Indian Ave. 152 Comment
  RSA760821  Chaenactis fremontii Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-3-30 108 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  SD126057  Chaenactis fremontii David Charlton 1988-2-25 1225 Riverside Alluvial fan, south side of Little San Bernardino Mountains; Dillon Road and 1000 Palms Oasis Road Junction, south of Joshua Tree National Prk 609 Comment
  UCR132502  Chaenactis fremontii Chet McGaugh 2004-2-25 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, northern Palm Springs, near the Whitewater River channel, NW corner of Sunrise Way and San Rafael 171 Comment
  UCR133382  Chaenactis fremontii Mitch Provance, J. S. Ross 1998-3-27 1002 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon, c. 1.2 miles NE of the town of Cabazon 579 Comment
  UCR133955  Chaenactis fremontii Mitch Provance, J. S. Ross 1998-3-27 MOR- 960 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
  SEINET10798237  Chaenactis fremontii A. K. Evans 1976-4-13 Evans 5203 Riverside Rocky slopes of Santa Rosa Mountains. Comment
  RSA750743  Chaenactis glabriuscula Scott D. White, Justin M. Wood 2009-5-22 12910 Riverside San Jacinto Mountains: Idyllwild area; 'Strawberry Fuelbreak' between Strawberry Creek and road to sewage ponds. Comment
  UCR87901  Chaenactis glabriuscula A. C. Sanders, N. Ferguson 1994-6-2 14631 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  POM351763  Chaenactis glabriuscula var. glabriuscula N. C. Cooper 1944-3-25 1029 Riverside Cabazon. 457 Comment
  UCR137686  Chaenactis glabriuscula var. glabriuscula D. L. Banks, V. W. Steinmann 1997-3-13 1482 A 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
  JEPS30505  Chaenactis parishii Donald W. Kyhos 1958-5-16 58 -183 Riverside 1.85 mi up road toward Mount Santa Rosa; San Jacinto Mountains, Mount Santa Rosa Comment
  JOTR33930  Chaenactis stevioides La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2820 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  SBBG25120  Chaenactis stevioides D. Myrick 1966-4-5 1382 Riverside US Hwy 60, ca. 5 mi W of Blythe Comment
  POM13123  Chamaesyce albomarginata P. A. Munz, I. M. Johnston 1922-5-19 5332 Riverside 5 mi. E of Murrieta. 488 Comment
  JOTR01096  Chamaesyce albomarginata Cole, James E. 1941-4-16 603 Riverside Joshua Tree National Park. COTTONWOOD PASS Comment
  RSA423515A  Chamaesyce arizonica B. C. Templeton 1930-3-22 1632 Riverside Palm Springs. 400 Comment
  RSA778325  Chamaesyce micromera Amber Swanson, Linda Jean Foster 2011-10-8 627 Riverside Jct of Blythe Rice Rd and Hwy 62. 287 Comment
  RSA0042831  Chamaesyce polycarpa Duncan S. Bell, Deidre Conocchioli 2014-3-18 6247 Riverside Orocopia Mountains; southern section of range; Gucci Spring. 416 Comment
  RSA433508A  Chamaesyce polycarpa E. A. McGregor 1964-1-30 s.n. Riverside Dry bed of Lake Elsinor. Comment
  SEINET3365550  Chamaesyce polycarpa G. Rink 2011-9-25 11074 Riverside South of I-10 at the Ford Dry Lake Exit, in a swale that sometimes holds water 110 Comment
  UC665745  Chamaesyce polycarpa I. L. Wiggins 1941-3-26 9665 Riverside Wiley Well Comment
  UC869060  Chamaesyce polycarpa Lewis S. Rose 1938-12-24 38347 Riverside 19 mi e Indio (Blythe Rd) 3 Comment
  UC869129  Chamaesyce setiloba Lewis S. Rose 1936-12-22 36806 Riverside 17 mi sw Indio (Palms to Pines Hwy); San Jacinto Mtns 914 Comment
  CAS-BOT-BC70041  Cheilanthes covillei Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  POM49010  Cheilanthes newberryi Stephen Grout, Stephen Grout 1901-07 s.n. Riverside Mt. Rubidoux. Comment
  RSA586044  Cheilanthes newberryi Darin L. Banks, Steve Boyd 1995-3-16 97 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, Arroyo Seco drainage. 536 Comment
  UCR47228  Cheilanthes newberryi B. G. Pitzer, L. F. LaPre 1987-3-2 0423 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  UCR97661  Cheilanthes newberryi A. C. Sanders, G. Helmkamp 1997-3-15 19917 Riverside Peninsular Range, Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 567 Comment
  RSA739320  Cheilanthes parryi Keith E. Hoffmaster 1933-4-13 27 Riverside Palm Springs. Comment
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Aug 27 2011
  CAS-BOT-BC70381  Cheilanthes viscida J. G. Lemmon 1880-4-1 28 Riverside Whitewater, Colorado Desert Comment
  UCR91883  Cheilanthes viscida A. C. Sanders, G. K. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15899 Riverside San Jacinto Mtns/Colorado Desert, Chino Canyon near Palm Springs, 1.8 mi above Palm Canyon Rd (Hwy111) on the rd to the tram station, vicinity of the upper end of the flood control dike 428 Comment
  UCR81686  Chenopodium berlandieri J. M. Stewart 1994-5-2 847 Riverside Western Colorado Desert, Coachella Valley, Thermal, Highway 86 and Airport Blvd. Comment
  UC1608259  Chenopodium californicum Steve Boyd and Tim Ross 1992-5-5 7235 Riverside Oak Flats Southern Santa Ana Mts., San Mateo Canyon Wilderness Area (eastern portions, along the Bluewater Trail) 731 Comment
  UCD169510  Chenopodium giganteum A. C. Sanders; Mitch Provance, T. B. Salvato, B. G. Pitzer 2000-11-3 23723 Riverside Riverside, UCR campus, east side of the UCR Botanical Garden. 351 Comment
  SEINET12802708  Chenopodium incanum Chris Dietrich, M. Merello & H. Schmidt 1994-1 32 Riverside 7.5 miles S of North Shore on State Highway 111. Along highway on east shore of Salton Sea. 60 Comment
  UCR115133  Chenopodium missouriense Mitch Provance 2000-10-14 2251 Riverside Santa Ana River Bluffs, Belltown/ Crestmore area, near the corner of Wilson and Holly Sts. on the W side of the Santa Ana River 268 Comment
  SEINET3364747 Image available Chenopodium murale Dave Silverman, Onkar Singh 2010-3-25 7847 Riverside Sonoran (Colorado) Desert; Palo Verde Mesa, 220 m east of Black Creek Rd, 6.6 km west of McCoy Wash, and 8.2 km north of I-10 160 Comment
  UCR181628  Chenopodium strictum Mitch Provance 2003-6-7 7607 Riverside San Bernardino Valley, Jurupa Mountains (extreme northwest end), near Philadelphia Street 262 Comment
  CAS-BOT-BC231790  Chilopsis linearis Roxana S. Ferris 1918-6-14 895 Riverside 2 miles east of Indian Wells on Palm Springs-Indio Rd Comment
  UCSB50619  Chilopsis linearis Millett, Barbara 1980-5-18 Riverside Corn Springs Wash, Corn Springs Road, 8 miles southwest of junction with Chuckwalla Road 457 Comment
  RSA0020375  Chloracantha spinosa Duncan S. Bell 2013-10-29 6089 Riverside Hayfields Dry Lake; north of Interstate 10, about a mile southwest of the pumping station. 403 Comment
  UCR50730  Chloracantha spinosa Don Pendleton 1988-5-17 s.n. Riverside Sonoran (Colorado) Desert, just west of Blythe along canal near Hobson Way. 75 Comment
  UCR18066  Chloris virgata Hap Ritter, Paul Mack 1976-5-20 s.n. Riverside Sonoran (Colorado) Desert, dunes off of Wiley's Well Road 152 Comment
  UCR108717  Chorizanthe brevicornu Scott D. White, Pam DeVries 1998-2-9 6078 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  UCR148337  Chorizanthe brevicornu John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 21 and 22 (near 22), south of Salt Creek 23 Comment
  CAS-BOT-BC191714  Chorizanthe brevicornu var. brevicornu John H. Thomas 1957-4-6 6595 E Riverside Mojave Desert. About 2 miles N of Indian Cave, Joshua Tree National Monument. About 5 miles W and S of the town of Twentynine Palms 822 Comment
  JOTR33987  Chorizanthe brevicornu var. brevicornu La Doux, Tasha, M. Harding 2010-4-7 2875 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
  RSA392605  Chorizanthe brevicornu var. brevicornu F. R. Fosberg 1932-3-13 8066 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  UCR30088  Chorizanthe brevicornu var. brevicornu George K. Helmkamp 1983-4-5 483 26 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 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
  UC1543897  Chorizanthe leptotheca Barbara Ertter with Jeffrey L. Strachan 1980-5-22 3491 Riverside e side Dripping Springs Campground (Cleveland National Forest near Highway 79 between Aguanga and Temecula n of Wild Horse Peak); Cleveland National Forest, n of Wild Horse Peak 609 Comment
  UCR205448  Chorizanthe leptotheca Diane Menuz 2008-6-5 463 Riverside Peninsular Ranges; foothills of San Jacinto Mtns, near Cahuilla Mountain, c. 260 m south of Hwy 371 1382 Comment
  UCR104902  Chorizanthe parryi A. C. Sanders 1997-3-19 20009 Riverside Lake Skinner area, slopes north of Tucalota Creek c. 3/4 mi. (1.25 km) east of the lake 470 Comment
  UCR189793  Chorizanthe parryi var. parryi Andrea Salzman 2006-5-30 136 a Riverside Peninsular Range; Perris Aguanga Basin, Lake Skinner, north of stage road 490 Comment
  UCR176170  Chorizanthe polygonoides subsp. longispina John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  UCR266337  Chorizanthe polygonoides subsp. longispina D. E. Bramlet 1993-5-4 2337 Riverside Peninsular Range; Gavilan Hills area, south of Lake Mathews, SE of Black Rocks & NW of Monument Peak 474 Comment
  CAS-BOT-BC257188  Chorizanthe polygonoides var. longispina D. E. Bramlet 1989-4-7 1815 Riverside Perris-Aguanga Basin region: Lake Skinner County Park, south of Lake Skinner, 500 ft. west of Old Warren Rd. and 100 ft. north of the E-W access road 518 Comment
  RSA543885  Chorizanthe polygonoides var. longispina Steve Boyd 1991-5-20 6265 Riverside Temescal Canyon, S flank of Alberhill Mtn, W end adjacent to old clay mine area. 427 Comment
  RSA747568  Chorizanthe polygonoides var. longispina Michael Honer 2003-4-16 1828 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. Appx. 400 m N of peak '2349'. 701 Comment
  UCR217539  Chorizanthe polygonoides var. longispina Diane Menuz 2008-4-9 400 Riverside Perris-Hemet Basin, Hartford Springs Reserve, near Idaleona Road 616 Comment
  RSA392785  Chorizanthe procumbens J. Olmstead 1962-5-10 3638 Riverside Potrero country along S Divide T.T. [South Main Divide Road], SE end of Santa Ana Mts., SSW of Lake Elsinore Comment
  RSA392740  Chorizanthe rigida N. C. Cooper 1949-4-8 3305 Riverside Desert Center. 610 Comment
  RSA388504  Chorizanthe staticoides Steve Boyd 1986-5-1 1812 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  RSA392686  Chorizanthe staticoides N. C. Cooper 1944-6-4 1323 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  RSA779950  Chorizanthe xanti var. leucotheca Duncan S. Bell, Jennifer Pilapil 2011-5-19 2479 B Riverside A side canyon off of Mission Creek canyon approximately 4.5 air miles up canyon from the junction of Highway 62 and Mission Creek Road. 946 Comment
  POM12872  Chrysolepis sempervirens P. A. Munz 1922-7-6 6018 Riverside Tahquitz Valley, San Jacinto Mts. 2226 Comment
  RSA0112103  Chrysothamnus paniculatus Duncan S. Bell 2009-10-9 486 Riverside Northwest of the Arica Mountains. 281 Comment
  RSA340178  Chrysothamnus paniculatus R. F. Thorne, C. W. Tilforth 1980-5-28 54189 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  UCR89685  Chrysothamnus paniculatus Bern Schwenn 1993-9-14 s.n. Riverside Joshua Tree National Monument, Cottonwood Mtns, Pinkham Canyon in the wash, west of Cottonwood Springs. 1067 Comment
  UCSB4394  Chylismia brevipes Long, Frances 1939-12-31 Riverside Salton Sea Comment
  SD21522  Chylismia brevipes subsp. brevipes Frank F. Gander 1938-5-21 5765 Riverside Shaver's Summit. Comment
  UC667280  Chylismia cardiophylla subsp. cardiophylla Annie M. Alexander and Louise Kellogg 1941-5-26 2238 Riverside Monsen Canyon Colorado Desert, Eagle Mountains 975 Comment
  SBBG35540  Chylismia claviformis D. Myrick 1966-4-1 1317 Riverside slope adjoining Linda Vista Lodge, Desert Hot Springs Comment
  UC1922415  Chylismia claviformis subsp. aurantiaca Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1424 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  UCR101356  Cirsium occidentale var. californicum A. C. Sanders 1997-4-10 20324 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  CAS-BOT-BC286457  Cirsium scariosum Scott D. White 1997-5-18 5164 Riverside San Jacinto Mts. Vista Grande Area: Just W of USFS Vista Grande Fire Station (i.e., Hwy 243 ca. 10 road miles SE of Banning) 1500 Comment
  RSA522728  Cistanthe monandra Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3833 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
  RSA68317  Cistanthe monandra G. R. Campbell 1951-5-30 16136 Riverside 9 miles west of Anza. 1067 Comment
  POM11500  Cistanthe monosperma P. A. Munz 1922-7-7 6039 Riverside San Jacinto Peak. 3293 Comment
  UCR139193  Clarkia epilobioides Virginia Moran 2003-4-9 s.n. Riverside Peninsular Range, Warm Springs Preserve (managed by Center for Natural Lands Management), approximately 8 km north of Temecula and 3 km northeast of the [west?] end of Hunter Road 427 Comment
  RSA781221  Claytonia parviflora A. C. Sanders, Matthew Malle 2010-4-23 37992 Riverside Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR156352  Claytonia parviflora T. B. Salvato, Kent Beaman 2005-5-16 877 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
  POM307267  Claytonia parviflora subsp. parviflora Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2119 Riverside Santa Rosa Mountains. Comment
  RSA735848  Claytonia parviflora subsp. parviflora Scott D. White, Justin Wood 2008-3-25 11780 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  RSA650085  Claytonia perfoliata Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 609 Comment
  UCR121662  Claytonia perfoliata subsp. perfoliata A. C. Sanders 1997-3-19 20023 Riverside Lake Skinner area, Lower Rawson Canyon at 3-way road junction (heron rookery site) c. 1 km NE of the lake 457 Comment
  RSA0125187  Clematis pauciflora Duncan S. Bell 2016-3-3 8770 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3 air miles east northeast of Kitching Peak. 934 Comment
  POM230623  Cleome isomeris I. W. Clokey 1935-4-17 6641 Riverside Cottonwood Springs. Comment
  CAS-BOT-BC214182  Clinopodium chandleri H. D. Ripley; R. C. Barneby 1940-1-19 2752 Riverside Saxman Grade, Elsinore Mts. 1100 Comment
  SDSU13524  Cnicus benedictus W. Miller with C. Mosse 1972-8-9 Riverside Comment
  RSA0117405  Collinsia concolor Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4825 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
  RSA0117423  Collinsia concolor Steve D. Boyd, C. Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2263 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA0024815  Condalia globosa var. pubescens Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-23 4461 Riverside Orocopia Mountains; southeast section of range, south of Salt Creek, about 0.25 air mile south of the Bradshaw Trail. 469 Comment
  UCR251980  Conium maculatum A. C. Sanders, T. B. Salvato 2014-7-2 41181 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  HSC80296  Convolvulus arvensis Steve Boyd 1985-7-23 1003 Riverside 5.2 mi. W of Rancho California on De Luz Rd. 396 Comment
  UCR201428  Convolvulus arvensis Scott D. White, Justin M. Wood 2008-6-17 12162 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  UCR120851  Convolvulus simulans D. E. Bramlet 1993-4-14 2327 Riverside Gavilan Hills, Black Rocks area, NE of Black Rocks and 1.2 km south of Cajalco Rd., east of orange groves 445 Comment
  RSA191393  Conyza bonariensis E. W. Lathrop, R. F. Thorne 1967-10-27 6677 Riverside 5 mi. NW of Murrietta, Santa Rosa Ranch. Comment
  CLARK-A1528-4195  Cordylanthus filifolius John C. Roos 1965-8-18 Riverside San Jacinto Mountains Comment
  POM48905  Cordylanthus nevinii Philip A. Munz, I. M. Johnston 1924-7-27 8755 Riverside Dark Canyon, San Jacinto Mts. 1829 Comment
  RSA555204  Cordylanthus nevinii John F. Emmel 1983-9-17 892 Riverside San Jacinto Mts.; Idyllwild; on north-facing slope of West Ridge, 0.3 mile SSW of Camp Emerson. 1622 Comment
  RSA0097955  Cordylanthus rigidus subsp. setiger Duncan S. Bell 2014-11-14 7718 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  CDA21766  Coreopsis bigelovii T. C. Fuller 1964-4-14 11823 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  CAS-BOT-BC287882  Coreopsis californica A. C. Sanders; K. Rose 1995-4-5 16357 Riverside San Bernardino Mts/Coachella Valley: S of Mission Creek and E of Highway 62 700 Comment
  LA205802  Corethrogyne filaginifolia Elizabeth McClintock; 1936-7-20 Riverside San Jacinto Mountains, Idyllwild Comment
  POM259196  Corethrogyne filaginifolia P. A. Munz 1938-8-13 15337 Riverside East of Santa Rosa Peak. 2378 Comment
  POM13094  Coryphantha alversonii P. A. Munz 1922-4-12 5014 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. Colorado Desert. 457 Comment
  SDSU21793  Crassula aquatica Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3979 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  SBBG120133  Crassula connata A. C. Sanders with K. Volansky 2005-3-17 29202 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
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Mar 20 2011
  CLARK-A1528-2618  Crassula erecta John C. Roos 1952-2-29 5373 Riverside Riverside 457 Comment
  RSA357164B  Crassula solieri R. F. Thorne, E. W. Lathrop 1975-5-25 45561 -B Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  RSA84907  Crassula solieri F. W. Peirson 1922-4-29 2944 Riverside mud flat south of Lake Elsinore Comment
  UCR119813  Crassula tillaea A. C. Sanders, T. B. Salvato 2001-5-3 24102 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  RSA575913  Cressa truxillensis Steve Boyd, Darin L. Banks, Bob Boyd 1994-9-29 8373 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  UCR126988  Cressa truxillensis A. C. Sanders, Guy Bruyea 2003-6-12 26890 Riverside Perris-Aguanga Basin Region, Winchester, SW edge of town between Simpson Ave. and Olive Ave., c. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  POM118203  Crossosoma bigelovii Theodore Labouchere 1915-4-15 s.n. Riverside Borders of the Colorado Desert on the easterly side of San Jacinto Mountain, in the lower Sonoran Zone. Comment
  RSA342560  Crossosoma bigelovii R. F. Thorne, W. A. Tilforth 1980-5-28 54202 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
  UC511880  Crossosoma bigelovii Frank W. Peirson 1933-4-15 10653 Riverside 4 1/2 mi above bridge; Whitewater River 701 Comment
  PASA1841  Croton californicus R. Peirce 1966-4-21 Riverside Windy Point, 2 mi. S. of White Water P.O. Comment
  POM278344  Croton californicus Lyman Benson 1933-3-31 4154 Riverside US 66, 10 miles E of Banning 457 Comment
  SBBG67680  Croton californicus M. N. Ackley 1928-3-11 353 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  SFV17217  Croton californicus var. mohavensis J. W. Dole 1980-11-1 s. n. Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  POM368198  Cryptantha angustifolia D. A. Young 1969-3-28 342 Riverside At end of Hayfield Rd., S of Interstate Hiway 10. 305 Comment
  RSA21762  Cryptantha angustifolia C. B. Wolf 1937-4-6 8434 Riverside Coachella Valley, 3 miles N of Indio. 0 Comment
  RSA517821  Cryptantha angustifolia Steve Boyd, Orlando Mistretta 1986-3-13 1438 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  RSA733626  Cryptantha angustifolia Keith E. Hoffmaster 1935-3-31 565 Riverside Palm Springs Comment
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Aug 27 2011
  RSA791601  Cryptantha angustifolia D. Silverman 2010-3-23 7820 Riverside Chuckawalla Valley, dunes at SSE tip of Palen Lake, 1.7 km SW of Palen Dunes Dr., 3.3 km N of I-10 and 8 km ESE of Sidewinder Well. 128 Comment
  SBBG128627  Cryptantha angustifolia D. Silverman, A. C. Sanders 2010-3-23 7818 Riverside Chuckwalla Valley, dunes at SSE tip of Palen Lake, 1.5 km SW of Palen Dunes Dr, 3.2 km N of I-10 and 8 km ESE of Sidewinder Well 130 Comment
  SBBG6233  Cryptantha angustifolia H. and M. Dearing 1942-3-3 4806 Riverside Cathedral City Comment
  SEINET241494  Cryptantha angustifolia A. C. Sanders 2001-4-8 23979 Riverside Western Colorado Desert: Coachella Vly, Desert Hot Springs, N of intersxn of Pierson Blvd & Atlantic A, N of flood ditch 347 Comment
  SEINET3005003  Cryptantha angustifolia G. Rink 2011-4-4 10431 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  UC1563071  Cryptantha angustifolia Steve Boyd and Orlando Mistretta 1986-3-13 1438 Riverside ne of Desert Center (jct of Parker Dam Rd and Palen Rd (rd going through pass between Palen and Granite Ranges)); Palen Mountains 243 Comment
  UC729732  Cryptantha angustifolia Carl B. Wolf 1932-4-27 Riverside 17 mi e Mecca; Colorado Desert 152 Comment
  UCR224995  Cryptantha angustifolia Dave Silverman 2010-3-30 7879 Riverside Sonoran (Colorado) Desert, east flank of southern McCoy Mountains, 1.8 km W of Black Creek Rd, 7.0 km E of McCoy Peak, and 4.4 km north of I-10 175 Comment
  UCR90162  Cryptantha angustifolia R. W. Scora 1966-4-1 3023 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  SEINET10455851  Cryptantha angustifolia David B. Dunn 1946-3-15 Dunn 2044 Riverside On same sheet as Dunn 3732, UMO 47597. Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Sparse desert scrub of Larrea and Franseria, with palms at the springs in the canyon. Comment
  JOTR28812  Cryptantha barbigera La Doux, Tasha 2005-2-7 1080 Riverside Joshua Tree National Park. Above Hayfield Dry Lake 553 Comment
  RSA339315  Cryptantha barbigera R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54031 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 Comment
  UCR52016  Cryptantha barbigera Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2137 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  CAS-BOT-BC189331  Cryptantha circumscissa John H. Thomas 1957-3-30 6576 Riverside Joshua Tree National Monument. About 3 miles SE of White Tank near the road to Cholla Cactus Garden. About 20 miles NE of Indio 883 Comment
  UC1787284  Cryptantha decipiens A. C. Sanders, K. Rose, D. Woodard 1995-3-22 16212 Riverside Coachella Valley: mouth of San Gorgonio Pass, alluvial fan just E of the mouth of Whitewater Canyon between Windy Point and I-10. 365 Comment
  POM368284  Cryptantha intermedia H. de Forest, Jack Rempel 1933-6-25 18014 Riverside Along road to Banning, San Jacinto Mts 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
  RSA659685  Cryptantha intermedia J. C. Roos 1947-3-21 3366 Riverside Plateau, Reche Canyon Comment
  UCR124662  Cryptantha intermedia B. C. Templeton 1930-4-9 1023 Riverside San Bernardino Mtns., north of Banning 1220 Comment
  UCR93036  Cryptantha intermedia Steve Boyd 1986-4-2 1600 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA785021  Cryptantha maritima Duncan S. Bell 2012-3-18 3192 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  UCR89712  Cryptantha maritima J. M. Stewart 1993-3-10 684 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; Corn Springs Rd, 2 mi south of Chuckwalla Rd. Comment
  SDSU21891  Cryptantha micrantha var. micrantha Michael G. Simpson, Lorinda Simpson 2015-4-17 3870 Riverside Whitewater Preserve. Dry wash, ca. 200 meters southwest of southern-most parking area at campground. 664 Comment
  RSA612941  Cryptantha micromeres D. L. Banks 1997-3-29 1636 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
  UCR121319  Cryptantha microstachys A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25013 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 549 Comment
  UCR238125  Cryptantha microstachys Mark A. Elvin, Julie M. Vanderwier, Frank Sartuche 2002-5-16 2040 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  UCR193985  Cryptantha muricata A. C. Sanders 2008-7-25 35908 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  UCR242673  Cryptantha muricata A. C. Sanders 2013-7-6 40838 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE part of town near Saunders Meadow, west end of Tahquitz View Dr. toward Crestview Dr. 1707 Comment
  RSA0079412  Cryptantha muricata var. jonesii Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4032 B Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR75086  Cryptantha nevadensis A. C. Sanders, E. J. Lawlor 1992-4-4 12144 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA796031  Cryptantha pterocarya var. cycloptera Duncan S. Bell 2009-4-18 254 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 Comment
  UCR118644  Cryptantha pterocarya var. pterocarya Helen Kennedy, Sara Mills 2001-3-17 5394 Riverside Mojave Desert, 0.8 mi from the junction of Hwy 10 & Cottonwood Springs Road, 100m SE of the entrance to Joshua Tree National Park 550 Comment
  POM72504  Cryptantha racemosa Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  JOTR34177  Cryptantha utahensis Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 138 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Northeast flowing steep side canyon of Pushawalla Canyon, almost parallel to main canyon (Stop 5) 1171 Comment
  JEPS42629  Cucurbita foetidissima W. L. Jepson 1901-5-31 1569 Riverside Temescal Wash near Elsinore; Temescal Wash 335 Comment
  UC1134206  Cupressus forbesii H. E. Norton 1931-3-20 40 A Riverside 4 mi se Corona; Corona Quad. 457 Comment
  UC1292594  Cuscuta californica C. L. Hitchcock and C. V. Muhlick 1964-3-17 23076 Riverside 8 mi se Corona (along road to Elsinore) Comment
  POM48873  Cuscuta ceanothi P. A. Munz, I. M. Johnston 1924-7-26 8707 b Riverside common on north slopes, 8 mi. S of Banning. 1372 Comment
  UCR229488  Cuscuta salina Jeremiah George 2011-7-18 s.n. Riverside Peninsular Range; Elsinore Trough, North Lake Elsinore, just west of Nichols Rd. and Collier Ave. junction 384 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
  UCR131791  Cycloloma atriplicifolium Mitch Provance 1998-6-11 643 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  UCR101885  Cyclospermum leptophyllum A. C. Sanders 1997-3-17 20005 Riverside Riverside, UCR campus, edge of lawn at NE corner of Batchelor Hall 348 Comment
  SEINET3071827  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17509 Riverside Pilot Mountain quadrangle, zone 11 0655330mE 3721650mN NAD83, Corn Springs, north side of Chuckwalla Mountains, 12km SSE of Desert Center, 85km east of Indio 498 Comment
  SEINET9037740 Image available Cylindropuntia echinocarpa M. A. Baker 2015-1 18329 Riverside San Gorgonio Pass, 4km ENE of Banning, 33km WNW of Palm Springs, 800m east of the San Gorgonio River 660 Comment
  SEINET7249312  Cylindropuntia munzii Andrew C. Sanders, Tim Thomas, T. B. Salvato 2012-1 Riverside Comment
  SD191510  Cylindropuntia prolifera John F. Green 2006-5-2 Riverside Peninsular Ranges: unincorporated area along San Diego Aqueduct Corridor, 1 km due west of Skunk Hollow, between Nicholas Rd., and Borel Rd., east of Murrieta Hot Springs. 420 Comment
  RSA0029198  Cynanchum utahense John F. Emmel 1997-10-20 1532 Riverside Joshua Tree National Park: Pinto Wells Road, 0.5 road mi north of park boundary. 302 Comment
  RSA599109  Cynodon dactylon V. W. Steinmann 1996-4-13 830 Riverside East of route 15 along Temescal Canyon Road 1.3 kilometers southeast of junction with Indian Truck Trail 350 Comment
  POM228970  Cyperus eragrostis L. C. Wheeler 1932-9-4 1333 Riverside Santa Ana River at Chino Creek. 152 Comment
  UCR40400  Cyperus eragrostis Steve Boyd 1985-7-23 1001 Riverside Peninsular Range; Santa Ana Mtns., 5 mi west of Rancho California at the junction of Rancho California Road & De Luz Road 427 Comment
  UCR209673  Cyperus erythrorhizos Fred M. Roberts, Carol A. Roberts 1999-10-23 5253 Riverside San Jacinto Valley, Mystic Lake, northeast shore near Gilman Hot Springs Road, c. 1.8 km southwest of Eden Peak 433 Comment
  UCR25065  Cyperus erythrorhizos John C. Roos 1951-9-25 5249 Riverside Riverside, Fairmount Park 259 Comment
  UCR272474  Cyperus esculentus Mitch Provance 2012-7-25 712- 01 Riverside San Gorgonio Pass, Banning, Smith Creek, NE of West Ramsey St. and Highland Home Rd. 1410 Comment
  UCR115347  Cyperus involucratus A. C. Sanders, Steve Boyd 2000-11-30 23726 Riverside San Bernardino Valley/ upper Santa Ana River region, Riverside; Box Springs Mtns. foothills, Box Springs Canyon above Sheriff's Academy, north of Central Ave. 396 Comment
  UCR92057  Cyperus involucratus Scott D. White 1996-3-31 3853 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  RSA365098  Cyperus niger var. capitatus L. C. Wheeler 1933-12-2 2319 Riverside U.S. 99: 2 miles NW Whitewater Station. 366 Comment
  UCR183344  Cyperus rotundus K. E. Hoffmaster 1958-1 s.n. Riverside Sonoran (Colorado) Desert, Indio 3 Comment
  POM313076  Cyperus rotundus Malcolm A. Nobs, S. Galen Smith 1948-9-3 503 Riverside Thermal. Comment
  CAS-BOT-BC198202  Cytisus striatus R. Leen 1987-4-8 s.n. Riverside South of Temecula on Interstate 15, W side of road between Front Street and Rainbow Valley Road exits. Comment
  CAS-BOT-BC334204  Dalea O. F. Clarke 2010-2-20 s.n. Riverside Peninsular Range: Riverside. O.F. Clarke residence, 266 Frost Court, east edge of UCR campus 351 Comment
  POM14018  Dalea mollis P. A. Munz 1922-4-8 4738 Riverside Mecca, Colorado desert. -30 Comment
  RSA404181  Dalea mollis A. Menke 1955-4-26 s.n Riverside Indian Wells Comment
  POM254896  Dasyochloa pulchella P. A. Munz 1940-3-24 15704 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  CAS-BOT-BC402177  Datisca glomerata R. F. Thorne; E. W. Lathrop; W. Wisura 1977-7-8 49547 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. Comment
  RSA781415  Datura discolor Duncan S. Bell 2011-10-22 2995 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
  UCR113905  Datura wrightii Mitch Provance 1998-4-18 456 Riverside Jurupa Mountains, Crestmore Heights, E. Rattlesnake Mt., 'Oak Knoll' about 0.5 km west of Rubidoux Blvd., across the street from the Riverside Cement Company. 396 Comment
  CHSC110010  Deinandra mohavensis V. Soza; Steve Boyd, Neil Gilbert 2000-12-6 1067 b Riverside Peninsular Ranges, San Jacinto Mountains region: McCall Memorial Park Campground. 1311 Comment
  CLARK-A1528-784  Delphinium Fred B. Essig 1964-4-4 27 (part of series 24 to 30 ) Riverside Horsethief Canyon Comment
  JEPS5521  Delphinium parryi W. L. Jepson May 17 1901-Jun 1 1901 1429 Riverside Van Deventer's Ranch San Jacinto Mts. Comment
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Nov 9 2009
  RSA343878  Delphinium parryi Robert F. Thorne 1985-5-18 60668 Riverside Santa Rosa Plateau: at edge of Cleveland National Forest. 610 Comment
  UCR167435  Delphinium parryi John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  RSA586328  Delphinium parryi subsp. parryi D. L. Banks, S. D. Boyd 1995-5-3 193 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
  UC9162  Delphinium parryi subsp. parryi H. M. Hall June 1901 2171 Riverside In the Meadows of Thomas Valley 1371 Comment
  UCR16757  Delphinium patens subsp. hepaticoideum G. R. Ballmer 1965-3-21 s.n. Riverside Peninsular Range, Base of Santa Ana Mountains, 5 mi. south of Glen Ivy Hot Springs 396 Comment
  UCD95191  Dendromecon rigida C. L. Hitchcock 1966-3-15 24160 Riverside 3 mi. e. of Glen Ivy Hot Springs. Comment
  JOTR37745  Descurainia pinnata subsp. glabra Hodges, Stephen R., Aliya Ingersoll 2016-2-24 659 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Upper Long Canyon Comment
  UC136971  Descurainia pinnata subsp. glabra T. S. Brandegee 1902-5-14 Riverside Whitewater; San Bernardino Comment
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Jan 15 2010
  POM6595  Descurainia pinnata subsp. menziesii P. A. Munz, L. T. Street, Williams 1919-3-25 2305 Riverside Palm Canyon. 229 Comment
  RSA180266  Dicentra chrysantha E. W. Lathrop 1965-4-4 5639 Riverside 8 miles west of Murrieta Comment
  UCR141685  Dicentra ochroleuca June Latting 1980-5-20 s.n. Riverside Peninsular Range, Santa Ana Mountains, Skyline Drive in Tin Mine Canyon, south of Sierra Peak 671 Comment
  RSA523966  Dichelostemma capitatum Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4012 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR155058  Dichelostemma capitatum Jason L. Hlebakos 2005-5-30 814 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  CLARK-A1528-1523  Dichelostemma pulchellum John C. Roos 1952-2-29 5380 Riverside Pigeon Pass Comment
  SEINET10533954  Dichelostemma pulchellum Steve Boyd, Timothy S. Ross; Laurel Arnseth; Jaime Bonilla, Barbosa 1990-4-2 Boyd 4013 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn., along Hwy 79, E of USFWS Dripping Springs Guard Sta. T8S R1W SE 1/4 NW 1/4 sec. 23. 1600-2000 feet. Capparral and oak woodland vegetation burned by Mt. Palomar fire, 1989. Comment
  CAS-BOT-BC292181  Dicoria canescens Mrs. Robert Campbell 1921-11-26 2 Riverside Palm Springs Comment
  CAS-BOT-BC292187  Dicoria canescens M. E. Jones 1933-12-29 s.n. Riverside Cabazon Comment
  CAS-BOT-BC292194  Dicoria canescens Marcus E. Jones 1924-10-1 s.n. Riverside Whitewater Comment
  CAS-BOT-BC292201  Dicoria canescens S. B. Parish 1912-10-8 8366 Riverside Salton Basin. Indio -6 Comment
  UCR38956  Dicoria canescens David J. Keil 1976-12-12 11928 Riverside Sonoran (Colorado) Desert, [Chuckwalla Valley] along Interstate Hwy 10, 37 mi east of Chiriaco Summit Comment
  CAS-BOT-BC292249  Dieteria asteroides var. asteroides Durant; Street 1918-5-13 1 Riverside Near Hemit [Hemet] 335 Comment
  SD187355  Dieteria asteroides var. asteroides Scott D. White, Angelia Carey 2004-9-16 10764 Riverside San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence. 502 Comment
  UCR93088  Digitaria sanguinalis A. C. Sanders, S. Ogg 1994-7-28 15179 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  SD243250  Diplachne fusca var. uninervia Mike Lahti 2008-12-12 Riverside Hemet. Bautista Creek Ranches, 45200 Bautista Road, near Fairview Avenue. Comment
  SD137608  Diplacus aurantiacus Darin L. Banks 1995-3-30 132 Riverside Cleveland national Forest; Agua Tibia Wilderness Area. N slope of Agua Tibia Mountain. W of the Dripping Springs Alcove, on the Woodchuck Trail 633 Comment
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Mar 2 2013
  SD136747  Diplacus puniceus Steve Boyd, T. Ross, O. Mistretta 1992-3-31 6743 Riverside San Mateo Cyn Wilderness Area. Morgan Trail from Round Potrero W to jtn with Tenaja Tr. In N-fork Bear Creek. 730 Comment
  UC110733 Image available Ditaxis californica H. M. Hall 1905-4-1 5796 Riverside 7 mi w Coachella; Marshall Canyon; 7 miles W of Coachella, Marshall Canon, Colorado Desert, Riverside Co. 30 Comment
  UCR42396  Ditaxis californica J. M. Stewart 1986-1-26 86- 7 Riverside Sonoran (Colorado) Desert, NE side of Mecca Hills 305 Comment
  JEPS2748 Image available Ditaxis claryana Marjorie Clary 1932-12-16 1707 Riverside 10 mi w Coachella (bajadas at base of Santa Rosa Mountains); Coachella Valley; Santa Rosa Mts., Coachella Valley, W of Coachella, Colorado Desert. Comment
  RSA792572  Ditaxis lanceolata Aaron C. Sedgwick, Joella Simons Adkins 2012-10-24 148 Riverside Graham Pass Rd. in the Chuckwalla Mtns. ~1 mi. north of Graham Pass. 421 Comment
  UCR114113  Ditaxis lanceolata B. G. Pitzer, J. Ross 1998-3-8 3609 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 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
  UCR72230  Ditaxis neomexicana Theo Glenn 1991-5-28 91- 109 Riverside Sonoran (Colorado) Desert, Mule Mountains 165 Comment
  UCD142314  Ditaxis serrata Barry Prigge; L. Martinez 1978-3-23 2396 Riverside NW Colorado Desert, Coachella Valley, 1.7 miles W of North Palm Springs on Dillon Rd. 274 Comment
  CAS-BOT-BC43651  Dithyrea californica J. Von Loh 1978-1-23 3316 Riverside Palo Verde Mesa, 12 miles west of Blythe. 121 Comment
  JOTR38664  Dithyrea californica Hodges, Stephen R. 2017-2-1 670 Riverside Joshua Tree National Park. Eagle Mountains, just inside the park boundary on the road to Pinto Wells Comment
  RSA530749  Dithyrea californica Robert L. Dressler 1949-3-19 420 Riverside 5 miles NE of Desert Center. Comment
  SEINET3105562  Dithyrea californica Faulkner 1978-3-20 331 Riverside Near Big Maria Mountains, 1 mile west of Colorado River. 152 Comment
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Sep 9 2013
  POM19640  Dodecatheon alpinum subsp. majus Mary F. Spencer 1923-7-16 s.n. Riverside Round Valley. 2744 Comment
  RSA69040  Dodecatheon redolens F. W. Peirson 1924-7-27 4999 Riverside Deer Springs, San Jacinto Mtns. 2668 Comment
  IRVC142  Dryopteris arguta R. H. Whittaker, W. A. Niering 1963-5-28 SJ 32 Riverside Mountain Center to Hemet. San Jacinto Mountains 915 Comment
  RSA502499  Dudleya lanceolata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3741 Riverside Vail Lake area, S flank of Oak Mountain, N of the lake. 549 Comment
  HSC85295  Dudleya multicaulis Steve Boyd 1986-5-7 1838 Riverside Temescal Canyon, between Horsethief wash and Indian Truck Trail, S of I-15, NW of Indian Truck Trail Comment
  CAS-BOT-BC416943  Dudleya pulverulenta Marcus E. A M Jones 1900-7-16 s.n. Riverside Temecula Comment
  CAS-BOT-BC109613  Dudleya saxosa subsp. aloides D. A. Johansen; J. A. Ewan 1932-4-10 7062 Riverside Warners Ranch at Whitewater Western Colorado Desert. Comment
  LA104987  Dudleya saxosa subsp. aloides Kei Nakai; 1980-12-25 686 Riverside Santa Rosa Mountains, Santa Rosa Mountain Road, 3.6 mi. from Hwy 74 1584 Comment
  RSA83383  Dudleya saxosa subsp. aloides F. W. Peirson 1928-4-24 7895 Riverside Below Cottonwood Spring, northern edge of Colorado Desert. Comment
  UC933328  Dudleya saxosa subsp. aloides Reid Moran 1941-5-4 835 Riverside Hidden Valley Joshua Tree National Monument 1280 Comment
  UCR14557  Dyssodia porophylloides A. C. Sanders 1974-5-12 0100 Riverside Santa Rosa Mtns., San Bernardino National Forest, Cactus Spring Trail between Pinyon Flats and Horsethief Creek 1159 Comment
  UCR18073  Echinochloa colona Hap Ritter, Paul Mack 1976-10-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Valley Dunes. south of I-10 between Wiley Well Road and Graham Pass Road 152 Comment
  CAS-BOT-BC197075  Echinochloa crus-galli S. B. Parish 1913-9-20 8618 Riverside Mecca, Salton Sink 57 Comment
  UCSB38362  Echinochloa crus-galli Reed, F. 1918-9-15 Riverside Bluff Ranch Comment
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Apr 11 2009
  UCR85593  Echinodorus berteroi Julie A. Greene, S. D. Boyd,, D. E. Bramlet, H. Flores, H. Ochoterana 1993-7-9 1414 Riverside San Jacinto Valley, San Jacinto Wildlife Area [northwest of Lakeview] 433 Comment
  CDA4578  Eclipta prostrata Gene Drake 1975-7-3 Riverside Riverside Canal, Nixon at McKinley, Riverside. 0 Comment
  RSA206504  Eleocharis acicularis E. W. Lathrop 1969-5-29 7080 Riverside 8 miles west of Murrieta, Trail between Tenja Road and Los Alamos Canyon. Comment
  POM1375  Eleocharis geniculata I. M. Johnston 1917-4-4 s.n. Riverside Colorado Desert: Palm Canyon. 305 Comment
  SEINET7586289 Image available Eleocharis macrostachya Steve Boyd, Dave Bramlet 1996-4-19 8612 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
  UCR220334  Eleocharis macrostachya D. E. Bramlet 1992-4-29 2251 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, west edge of Hemet, west of Warren Rd. and north of Florida Ave./Hwy 74 457 Comment
  POM10521  Eleocharis montevidensis var. montevidensis C. F. Baker 1909-05 s.n. Riverside Fairmont Hill. Comment
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Jul 27 2008
  UC838982  Eleocharis parishii P. A. Munz 1922-6-29 5899 Riverside Santa Rosa 1981 Comment
  UCR193906  Elymus hispidus A. C. Sanders, Mitch Provance 2008-7-11 35746 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  UCD62435  Elymus multisetus R. N. Raynor 1938-6-20 s.n. Riverside Near Keen Camp. Comment
  UCR132910  Elymus triticoides 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
  UCR207568  Elymus triticoides O. F. Clarke 2004-5-26 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  HSC13507  Emmenanthe penduliflora C. L. Hitchcock 1966-3-16 24183 Riverside 1/4 mi. W of Aguanga Comment
  RSA401444A  Emmenanthe penduliflora R. Sayre 1981-5-9 64 Riverside Pierson Blud & Little Morongo Road. Comment
  RSA559344  Emmenanthe penduliflora Steve Boyd, Tim Ross 1992-5-15 7398 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  SD119899  Emmenanthe penduliflora Louis B. Ziegler 1973-3-26 502 Riverside Gavilan Hills west of Perris. 487 Comment
  UCR103920  Emmenanthe penduliflora B. G. Pitzer 1997-4-11 3116 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  UCR906A  Emmenanthe penduliflora S. Riddell 1973-5-17 7 Riverside Santa Ana Mtns, Hwy 74, 8.8 mi west of Hwy 71-74 junction, west of Elsinore 640 Comment
  SEINET12271279  Emmenanthe penduliflora Unknown 1942-1 1608 Riverside Burn, 1 mi W of Pinon Flats (California Highway 74) Comment
  SD229086  Encelia actoni Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 630 Riverside Mt. San Jacinto 1085 Comment
  UCSB18955  Encelia californica Wright, David 1963-5-5 Riverside State Highway 74, about 6.8 miles S of Dead Indian Creek 1066 Comment
  LA202448  Encelia farinosa Philip A. Munz; 1932-3-14 11983 Riverside Deep Canyon, Coachella Valley 152 Comment
  OBI16596  Encelia farinosa H. E. McMinn 1937-3-6 5017 Riverside About 40 mi N of Blythe; River rd Comment
  RSA696887  Encelia farinosa L. C. Hull 1934-2-18 s.n. Riverside Desert near Palm Canyon. Comment
  UCR124641  Encelia farinosa B. C. Templeton, I. W. Clokey 1930-4-9 1001 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  UCR138725  Encelia farinosa Julie A. Greene 1993-4-10 1129 Riverside San Jacinto Wildlife Area 476 Comment
  UCR279353  Encelia farinosa var. farinosa A. C. Sanders, Jim Malusa 2017-3-23 42931 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  JEPS34101  Encelia frutescens W. L. Jepson Oct 22 1912-Nov 7 1912 5245 Riverside Riverside Mountains Colorado River, Riverside Mountains 45 Comment
  SD224841  Encelia frutescens G. K. Helmkamp 1998-4-4 3132 Riverside Southern Mojave Desert: junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center-Rice Rd). 456 Comment
  SEINET4560237  Encelia frutescens J. Andre 2012-1 21367 Riverside Palen Valley; along Palen Pass Rd (dirt) 1.2 mi. east of Hwy 177 184 Comment
  RSA383868  Ephedra aspera N. C. Cooper 1949-4-8 3285 Riverside Desert Center. 609 Comment
  CAS-BOT-BC81542  Ephedra californica Robert F. Thorne 1964-5-3 33851 Riverside near hwy ca 4 miles S of Morongo Valley and ca 3 miles S of San Bernardino Co. line Comment
  POM282135  Ephedra californica Lyman Benson 1933-3-31 4163 Riverside US 66 [US 60], Palm Springs. Mt. Range San Jacinto . 305 Comment
  RSA650254  Ephedra californica Donald W. Harshberger 1949-2-6 s.n. Riverside 10 miles NE of Palm Springs, on Lazy B Ranch, at sea level 0 Comment
  SBBG54310  Ephedra californica C. Gustafson 1977-4-7 5575 Riverside Whitewater Cyn Rd exit from Interstate 10, ca. 2.5 mi W of jct Interstate 10 with State 62 near start of Pacific Crest Trail 609 Comment
  UC1929884  Ephedra californica Scott D. White, Michael Honer 2003-5-13 9235 Riverside SAN BERNARDINO MTNS: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. Open wash & alluvial benches. Comment
  RSA0120034  Ephedra californica Lyman Benson 1945-3-29 11639 Riverside Canyon on Palm Springs Road, Colorado Desert, Little San Bernardino Mountain 610 Comment
  RSA0030700  Ephedra trifurca J. Andre 2013-3-27 24810 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  RSA660215  Ephedra viridis L. C. Wheeler 1955-6-16 7159 Riverside Palm to Pines Highway: at culvert P5.53 610 Comment
  UCR26293  Epilobium canum John C. Roos 1949-9-17 4661 Riverside Sonoran (Colorado) Desert, W side of Painted Hill. Near a seep in the palm oasis, in a side canyon on the right side of Whitewater Wash. 2.2 miles north of highway 99 610 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
  RSA758488  Epilobium canum subsp. canum M. Wall 2009-12-4 549 Riverside Bautista Canyon SE of Hemet, along Bautista Canyon Rd. ca. 6.2 miles SE of jct. with Fairview Ave. 779 Comment
  SDSU13550  Epilobium canum subsp. canum W. Miller, C. Mosse 1972-7-12 Riverside Comment
  CAS-BOT-BC171738  Epilobium canum subsp. latifolium Louis C. Wheeler 1931-10-3 197 Riverside Strawberry-Tahquitz Valley Trail, San Jacinto Mts. 2346 Comment
  RSA356607  Epilobium canum subsp. latifolium Robert F. Thorne 1966-10-15 41818 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  RSA674524  Epilobium canum subsp. latifolium Scott D. White 2000-11-15 8147 Riverside Idyllwild area, Strawberry Fuelbreak between Inspiration Pt. and Strawberry Ck. 1402 Comment
  SD229206  Epilobium canum subsp. latifolium Dick Schwenkmeyer 2012-8-27 807 Riverside 2.6 mi. east of the intersection of highway 243 and Fuller's Mill road, 7.5 mi. north of Idyllwild. 2034 Comment
  RSA502520B  Epilobium ciliatum Steve Boyd 1989-5-7 3575 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  UCR199701  Epilobium ciliatum Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10672 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  UCR39542  Epilobium ciliatum A. C. Sanders 1980-8-23 1748 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  RSA652885  Equisetum hyemale var. affine John Wallace 1991-5-5 12 Riverside Colorado River, Palo Verde Dam. 5 yards east of outflow foot bridge. Comment
  UCR116955  Eragrostis A. C. Sanders, T. B. Salvato 2001-5-3 24114 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  CLARK-A1528-4628  Eragrostis cilianensis John C. Roos 1965-7-7 Riverside San Jacinto Comment
  CLARK-A1528-60  Eragrostis diffusa Fred B. Essig 1966-9-6 Riverside Riverside Comment
  UCR139383  Eremalche exilis I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Palm Canyon 427 Comment
  UCR214881  Eremalche exilis A. C. Sanders 2010-3-23 37550 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  RSA432722  Eremalche rotundifolia Robert L. Dressler 1949-3-19 403 Riverside Box Canyon, Orocopia Mts. Comment
  UCR279349  Eremalche rotundifolia A. C. Sanders, Jim Malusa 2017-3-23 42942 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  JOTR01109  Eremalche rotundifolia Cole, James E. 1941-4-13 583 Riverside Joshua Tree National Park. .5 MILES NORTH OF MEEK'S CABIN, PINTO PASS 609 Comment
  SD39505  Eremothera boothii subsp. condensata Edith A. Purer 1935-4-21 6383 Riverside Near Palm Springs Comment
  JEPS31754  Eremothera refracta W. L. Jepson 1928-4-25 12595 Riverside n Mecca; Cottonwood Mts., Cottonwood Spr. Comment
  OBI66290  Eremothera refracta LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1409 Riverside Colorado Desert; Chocolate-Chuckwalla Mts region: Corn Springs campground in the Chuckwalla Mts, Cyn SW of campground 480 Comment
  SBBG4930  Eremothera refracta K. K. Muller 1958-3-22 913 Riverside Orocopia Mtns across Hwy 70 from S entrance to Joshua Tree Nat Monument Comment
  CAS-BOT-BC514310  Eriastrum densifolium subsp. austromontanum G. B. Grant 1901-8-1 11429 Riverside San Jacinto Mountains: Strawberry Valley Comment
  UC1787318  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-5-29 123 Riverside San Jacinto Mountains: Old Banning-Idyllwild Road, 0.4 km south of junction with Hwy 243 (the new road to Idyllwild), roadcut along both sides of road 682 Comment
  SEINET3224412  Eriastrum diffusum G. Goodwin 2012-6-15 3466 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  CAS-BOT-BC514468  Eriastrum eremicum subsp. eremicum John Thomas Howell 1931-6-4 6647 Riverside San Gorgonio Pass Comment
  RSA0029393  Eriastrum harwoodii Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4683 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  RSA0120744  Eriastrum harwoodii E. C. Jaeger 1939-5-4 s.n. Riverside Pinon Alta Flats, Santa Rosa Mts. 1585 Comment
  UC23550  Eriastrum sapphirinum A. J. McClatchie April 1892 32 Riverside near Elsinore Comment
  UCR231763  Eriastrum sapphirinum John F. Green 2008-4-23 09- 08 Riverside Peninsular Range; SE Gavilan Hills, powerline route in hills SE of Perris, east of Hwy 74 and north and NE of Eugene St., both sides of Theda St. 503 Comment
  UCR258632  Eriastrum sapphirinum T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7897 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  CAS-BOT-BC515002  Eriastrum sapphirinum subsp. dasyanthum Mary F. Spencer 1919-6-17 s.n. Riverside Roadside on slope of San Jaacinto Mt. 1097 Comment
  RSA0121580  Eriastrum sapphirinum subsp. dasyanthum E. W. Lathrop 1960-6-9 4946 Riverside 14 miles west of Murrieta. Comment
  UCR139651  Ericameria brachylepis A. C. Sanders 2004-7-1 28372 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, just off Wickard Rd. c. 1 mile east of the "Menifee-Antelope Community Hall", 5 miles due south of Sun City 476 Comment
  RSA702740  Ericameria cooperi Scott D. White, Michael Honer 2004-4-6 10047 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  POM359405  Ericameria linearifolia Ora M. Clark 1929-3-16 1716 Riverside N. of Whitewater Comment
  UCR84641  Ericameria linearifolia Scott D. White, S. Ogg 1994-4-21 1981 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR9134  Ericameria palmeri var. pachylepis O. F. Clarke 1969-10-14 s.n. Riverside Box Springs Mtns, Riverside, UCR campus, by entrance to Botanic Gardens 335 Comment
  JOTR33713  Ericameria paniculata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1002 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
  UCSB37801  Ericameria paniculata Roos, John 1965-11-6 Riverside Whitewater 304 Comment
  RSA552152  Erigeron bonariensis D. Charlton 1989-5-23 3238 Riverside Parking lot, University of California, Riverside Botanic Gardens. 732 Comment
  CAS-BOT-BC294843  Erigeron breweri var. jacinteus Ralph Hoffmann 1929-9-10 s.n. Riverside Tahquitz Pk., San Jacinto Mt. 2499 Comment
  RSA747863  Erigeron divergens Justin M. Wood 2009-5-11 684 Riverside Morris Ranch Rd., roadside just E of Tripp Meadow. 1616 Comment
  UCR101806  Erigeron foliosus George K. Helmkamp, E. A. Helmkamp 1998-8-17 4438 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  UCR202018  Erigeron foliosus 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
  UCSB37926  Erigeron foliosus Roos, John 1965-6-19 Riverside Sky Line Drive, S of Corona, Santa Ana Mountains. Comment
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May 21 2011
  CAS-BOT-BC296241  Erigeron foliosus var. foliosus F. Grinnell 1908-7-1 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  SBBG104721  Erigeron foliosus var. foliosus M. A. Patten 1992-5-28 92 -10 Riverside just E of Temecula, between Pauba Rd and De Portola Rd, W boundary of site adjacent to Butterfield Stage Rd; property extending E ca. 3400 ft. 365 Comment
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Aug 24 2013
  CAS-BOT-BC296247  Erigeron foliosus var. foliosus Peter H. Raven; R. Snow 1957-7-26 11083 Riverside Banning-Idyllwild Road, 6.5 mi. n. of road to Twin Pines Ranch, San Jacinto Mts. Comment
  UCR240769  Erigeron philadelphicus Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 228 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  RSA495435  Eriodictyon crassifolium Steve Boyd, Tim Ross, L. Arnseth 1989-3-12 2962 Riverside Vail Lake area, lower slopes of Oak Mountain 1.5 mi WSW of lake. 488 Comment
  SD48518  Eriodictyon crassifolium E. K. Balls, P. C. Everett 1957-11-4 22743 Riverside Snow Creek, north base San Jacinto Mountains. 701 Comment
  UC729542  Eriodictyon crassifolium Carl B. Wolf 1932-5-24 3650 Riverside 1/2 mi below Fish Hatchery (Snow Creek Canyon, n base of San Jacinto Mts.); n base of San Jacinto Mts., Snow Creek Canyon 548 Comment
  UCSB10302  Eriodictyon crassifolium Gill, Robert 1960-3-23 Riverside Snow Canyon, near end of road; San Jacinto Mt. Range; Colorado Desert drainage area 563 Comment
  POM312183  Eriodictyon crassifolium var. crassifolium N. Cooper 1944-4-8 1066 Riverside Andreas Canyon. 305 Comment
  UCR268308  Eriodictyon crassifolium var. crassifolium Jim Andre 2012-6-15 30499 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  CLARK-A1528-542  Eriodictyon trichocalyx Tony Beck 1968-5-4 680504-10 Riverside San Jacinto Mountains 1219 Comment
  RSA771654  Eriodictyon trichocalyx var. trichocalyx Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4914 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  RSA777288  Eriodictyon trichocalyx var. trichocalyx Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4547 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  RSA0034268  Eriogonum John F. Emmel 1982-11-10 836 Riverside Ramona Expressway, at south edge of the Bernasconi Hills, near Lake Perris. 487 Comment
  CAS-BOT-BC33641  Eriogonum apiculatum Ralph E. Hoffmann 1929-9-8 s.n. Riverside San Jacinto Mt. 2133 Comment
  SBBG55325  Eriogonum apiculatum R. Moran 1973-7-28 21108 Riverside summit of Toro Pk 2500 Comment
  UC2030003  Eriogonum apiculatum Louis C. Wheeler 1945-10-7 6412 Riverside SAN GABRIEL MOUNTAINS: divide between West Fork Snow Creek and North Fork San Jacinto River. Comment
  UC6234  Eriogonum apiculatum H. M. Hall 1901-6 2364 Riverside Tauquitz Valley San Jacinto Mountains, Tauquitz Valley 2438 Comment
  UC729819  Eriogonum apiculatum Carl B. Wolf 1932-8-4 3913 Riverside near Idyllwild (Point View); San Jacinto Mts. 1645 Comment
  JOTR37478  Eriogonum baileyi var. baileyi Hodges, Stephen, T. Green 2016-5-5 599 Riverside Joshua Tree National Park. Little San Bernardino Mountains; canyons below Upper Covington Flats, southwest of Covington Crest trail (Stop 2) Comment
  RSA739335  Eriogonum davidsonii Keith E. Hoffmaster 1937-6-6 810 Riverside Palms to Pines road near Keen Camp. PR4. Comment
  UCR139099  Eriogonum deflexum B. G. Pitzer 1989-4-16 1302 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  UCR3379  Eriogonum deflexum John Minnich 1964-3-22 64-3-22- 12 Riverside Sonoran (Colorado) Desert, Mouth of Box Canyon, on State Hwy 195, E side of dam formed by Painted Canyon turnoff. 0 Comment
  RSA517914  Eriogonum deflexum var. deflexum Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1332 Riverside Mecca Hills, Colorado Desert: Box Canyon, along Hwy 195. Comment
  SEINET11937895  Eriogonum deflexum var. deflexum L. S. Rose 1936-1 36824 Riverside Hayfield, 5 mi W of Desert Center 610 Comment
  SEINET6170721 Image available Eriogonum deserticola Marjorie D. Clary 1933-1 2021 Riverside Along the South shore of Salton Sea -76 Comment
  RSA65158  Eriogonum elongatum J. T. Howell 1928-11-4 4089 Riverside San Gorgonio Pass, between Banning and Cabazon. Comment
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Mar 13 2011
  RSA125858  Eriogonum fasciculatum var. foliolosum E. K. Balls, Percy C. Everett 1957-11-6 22791 Riverside 0.5 miles north of junction Hwy. 79 and road to Coahuila. 655 Comment
  RSA715451  Eriogonum fasciculatum var. foliolosum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32668 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279. 579 Comment
  UCR139184  Eriogonum fasciculatum var. foliolosum Virginia Moran 2003-4-23 s.n. Riverside Peninsular Range, Warm Springs Preserve (managed by Center for Natural Lands Management), approximately 8 km north of Temecula and 3 km northeast of the [west?] end of Hunter Road 396 Comment
  JOTR16811  Eriogonum fasciculatum var. polifolium Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  LA2067493  Eriogonum fasciculatum var. polifolium A. M. Johnson; 1932-8-18 4141 Riverside San Jacinto Mountains, along road, down Banning side Comment
  RSA525269  Eriogonum fasciculatum var. polifolium Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4582 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  RSA751631  Eriogonum fasciculatum var. polifolium G. Gust, L. Nye 2005-3-11 543 Riverside Lake Elsinore City Limits. Hwy 74 ca. 1-2 miles W of lake Elsinore on hill slope pullout. 481 Comment
  UCR11685  Eriogonum fasciculatum var. polifolium Carl Epling, Wm. Robison 1933-6-24 s.n. Riverside San Gorgonio Wash Comment
  CLARK-A1528-739  Eriogonum gracile Charlotte Stocks 1964-8-24 Riverside San Jacinto Mountains 1066 Comment
  RSA588814  Eriogonum gracile var. incultum D. L. Banks, S. D. Boyd 1995-10-17 767 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
  RSA736778  Eriogonum gracile var. incultum Scott D. White, Angelia Carey 2004-7-2 10561 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SEINET4087516  Eriogonum inflatum G. T. Manthey 1977-1 1630 Riverside Road leading from Mecca to Joshua Tree National Monument. Comment
  CAS-BOT-BC263117  Eriogonum maculatum Carl B. Wolf 1932-4-27 3031 Riverside Colorado Desert. Mecca - Blythe Road. 3/4 mi. West of Utopia 152 Comment
  JOTR33783  Eriogonum maculatum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2925 Riverside Joshua Tree National Park. north of Quail Mountain, near the mouth of Johnny Lang Canyon; loamy and gravelly gentle slopes with rock outcrops in an old burn area from 1999 fire 1173 Comment
  CDA22643  Eriogonum pusillum T. C. Fuller 1964-4-14 11825 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  CHSC26394  Eriogonum pusillum Dieter H. Wilken 1966-3-26 771 Riverside Whitewater Canyon along the eastern periphery. 609 Comment
  CHSC26395  Eriogonum pusillum Dieter H. Wilken; Gary D. Wallace 1966-3-4 673 Riverside Base of the Little San Bernardino Mtsn. west of Indio along the Dillon Rd. 304 Comment
  JOTR30654  Eriogonum pusillum Andre, Jim, Tasha La Doux 2008-3-21 8838 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 Comment
  RSA783125  Eriogonum pusillum J. D. Olmsted 1958-3-30 s.n. Riverside Transition zone near southern entrance to Joshua Tree National Monument with southern drainage towards Salton Sea Comment
  SBBG65213  Eriogonum pusillum L. Rowntree 1929-5-10 Riverside Morongo Pass Comment
  JOTR32352  Eriogonum saxatile La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2468 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (Stop 2) Comment
  UC1329840  Eriogonum saxatile James E. Cole 1941-6-9 860 Riverside s summit of Stubby Spring Pass; Joshua Tree National Monument 1432 Comment
  JEPS22516  Eriogonum thomasii Rimo Bacigalupi with Paul Hutchison 1958-2-19 6194 -A Riverside 9.4 mi n Blythe (wash at western base of the Big Maria Mts.); Big Maria Mts. 167 Comment
  RSA27712  Eriogonum thomasii C. L. Hitchcock 1940-3-31 5890 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  UCR104806  Eriogonum thomasii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2740 Riverside Chuckwalla Mtns, Graham Pass Rd, 10.6 mi. SSW of Chuckwalla Valley Rd. 488 Comment
  UCR139376  Eriogonum thomasii I. M. Johnston 1917-4-4 1091 Riverside Sonoran (Colorado) Desert, near Palm Springs 183 Comment
  UCR74367  Eriogonum thomasii Theo Glenn 1991-5-2 91- 11 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  SBBG35003  Eriogonum thurberi T. L. Secrest 1951-5-18 Riverside E of Hemet, San Jacinto River Comment
  RSA314395  Eriogonum wrightii var. nodosum Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55406 Riverside San Bernardino Mountains: Side-canyon on east side of Whitewater Canyon, about 3.3 miles north of Whitewater Post Office (One-Palm Oasis Canyon). 595 Comment
  RSA450253  Eriogonum wrightii var. nodosum J. C. Roos 1965-9-26 s.n. Riverside Rocky point near Palm Springs Station. Comment
  UCR13720  Eriogonum wrightii var. nodosum N. R. Zabriskie, W. W. Zabriskie 1970-11-1 330 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon area, E slope of San Jacinto Mtns. 427 Comment
  SEINET3260968 Image available Eriogonum wrightii var. wrightii T. La Doux, Jim Andre 2008-9-16 340 Riverside Mojave Desert; Joshua Tree National Park, c. 0.3 mi. NW of Indian Cove Campground (Indian Cove 7.5' Q.) 930 Comment
  RSA507964  Eriophyllum confertiflorum Steve Boyd, Carol Boyd, K. A. Boyd, L. Arnseth, Richard Noyes 1988-5-28 2282 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA715348  Eriophyllum confertiflorum A. C. Sanders, Teresa B. Salvato, Kelly Volansky 2006-5-28 32670 Riverside 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
  SEINET7073462  Eriophyllum confertiflorum A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UC1292309  Eriophyllum confertiflorum var. confertiflorum C. L. Hitchcock and C. V. Muhlick 1964-3-17 23106 Riverside 10 mi n Pala (on road to Elsinore) Comment
  UCR34871  Eriophyllum multicaule L. B. Ziegler 1969-4-25 348 Riverside San Jacinto Valley, hills on west side of valley in Coyote Pass area 518 Comment
  SEINET7042767  Eriophyllum multicaule W. P. Vestal, A. G. Vestal 1955-3-25 3476 Riverside Adenostoma chaparral, Lakeview Mountains on Juniper Flat Road. Lakeview quadrangle UTM Zone 11, 489935mE, 3735502mN. Comment
  CAS-BOT-BC296972  Eriophyllum wallacei S. B. Parish 1916-5-13 10802 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  RSA729265  Eriophyllum wallacei R. F. Thorne 1973-3-30 42703 Riverside Mojave Desert: southeast end Johnson Valley, c. 20 mi north of Yucca Valley and 12 mi east-southeast of Old Woman Springs. 976 Comment
  UCR91885  Erodium botrys A. C. Sanders, E. J. Lawlor, C. L. Sanders 1996-4-21 18067 Riverside S slope of San Bernardino Mtns, Morongo Indian Reservation, grounds of the Malki Museum, NE of Banning. 732 Comment
  RSA771111  Erodium cicutarium Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4731 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119 604 Comment
  UCR97892  Erodium cicutarium A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19845 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  CAS-BOT-BC54336  Erysimum capitatum Carl B. Wolf 1932-8-4 3910 Riverside San Jacinto Mountains. Point View, near Idyllwild. 1645 Comment
  SDSU2406  Erysimum capitatum M. De Lisle 1962-7-28 20 Riverside Black Mtn, campgrounds Forest floor, Montane forest. 2347 Comment
  CHSC105718  Erythranthe diffusa P. A. Munz 1922-4-30 5135 Riverside Hills south of Tuscalota Creek. Hillside on road from Aguanga to Hemet. Comment
  RSA0020247  Erythranthe floribunda Mary F. Spencer 1921-6-15 1673 Riverside Idyllwild. 1616 Comment
  RSA0018791  Erythranthe guttata F. W. Peirson 1922-4-8 4720 Riverside Murray Canyon near Palm Springs. Comment
  RSA0014884  Erythranthe tilingii Ralph Hoffmann 1929-9-5 s.n. Riverside Tahquitz Valley, San Jacinto Mountains. 2439 Comment
  UCR277636  Eschscholzia A. C. Sanders, Jim Malusa 2017-1-14 42658 Riverside Sonoran (Colorado) Desert, Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas 119 Comment
  CAS-BOT-BC403360  Eschscholzia californica A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19869 Riverside Lake Skinner area: lower Rawson Canyon, just NE of the lake along the road. 457 Comment
  RSA395894  Eschscholzia californica Steve Boyd 1986-4-22 1752 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  UC10065  Eschscholzia californica Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  UCR251937  Eschscholzia californica Harun Bektas 2011-4-26 14 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  POM10157  Eschscholzia californica var. peninsularis P. A. Munz, R. D. Harwood 1920-3-20 3369 Riverside 5 miles S of Corona 305 Comment
  RSA445671  Eschscholzia minutiflora Chas Gabriel 1926-1-7 206 Riverside Rincon [R. Village, Andreas Canyon] Comment
Read comments
Nov 17 2011
  JOTR35346  Eschscholzia papastillii Harding, Mitzi, Mark Wheeler 2012-2-28 113 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; large northeast flowing canyon (Stop 5) 268 Comment
  CAS-BOT-BC419587  Eschscholzia parishii S. B. Parish; W. F. Parish 1882-4-1 732 Riverside Eastern slope of San Jacinto Mt. Comment
  CAS-BOT-BC419614  Eschscholzia parishii Richard Snow 1952-4-14 11 -1 Riverside Road to Morongo Valley, 7.8 miles from junction with Highway 99/60/70 Comment
  UC855175  Eschscholzia parishii I. W. Clokey 1935-4-17 6628 Riverside Cottonwood Springs Comment
  UCR20764  Eschscholzia parishii A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1328 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
  UCR233153A  Eschscholzia parishii Jim Andre, Glenn L. Clifton 2011-2-22 17459 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCSB18841  Eschscholzia parishii Perkins, Carlin 1963-5-5 Riverside State Highway 74; 5-7 miles SE of Pinyon Flats Campground 792 Comment
  JEPS66858  Escobaria vivipara var. alversonii W. L. Jepson 1912-10-30 5252 Riverside Black Point Riverside Mts., Colorado River (Riverside Mts, expedition along the Colorado River) 45 Comment
  SBBG119971  Eucalyptus camaldulensis A. C. Sanders with O. F. Clarke 1991-6-10 11123 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  SD247455  Eucalyptus tereticornis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41560 Riverside Peninsular Range Eastern Foot of the Santa Ana Mountains: Temescal Canyon NW of Horsetheif Canyon Road along DePalma Road, SE of Glen Eden Road and south of the east end of Lee (Corona) Lake, south side of I-15 (Alberhill 7.5'Q) 370 Comment
  POM256724  Eucrypta chrysanthemifolia W. Pequegnat 1940-4-13 s.n. Riverside Bedford Truck Trail. Santa Ana Mountains. 793 Comment
  SD126650  Eucrypta chrysanthemifolia Ed LaRue 1989-3-30 Riverside Rancho California, ca. 4.0 miles west of Temecula, with Ave. del Oro as the north boundary. 381 Comment
  RSA614403  Eucrypta chrysanthemifolia var. chrysanthemifolia D. L. Banks 1997-3-16 1536 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
  UCR41849  Eucrypta micrantha A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6111 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  SDSU13834  Eulobus californicus W. Miller, C. Mosse Riverside Comment
  UCR201449  Euphorbia albomarginata Scott D. White, Justin M. Wood 2008-6-5 12065 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  UCR232805  Euphorbia albomarginata John F. Green 2008-4-16 0408- 34 Riverside Peninsular Range; Perris-Aguanga Valley, SE of Romoland, powerline route north of McLaughlin Rd. near Palomar Rd. 445 Comment
  OBI14370  Euphorbia micromera Robert F. Hoover 1966-10-15 10154 Riverside Dead Indian Creek Wash, S of Palm Desert Comment
  RSA600513  Euphorbia parishii L. C. Wheeler 1968-1-13 s.n. Riverside Mecca Hills: Box Canyon, Hidden Spring Trai. 243 Comment
  OBI14408  Euphorbia polycarpa var. hirtella Lewis S. Rose 1966-12-11 66099 Riverside La Quinta 91 Comment
  UCD142864  Euphorbia setiloba G. L. Webster; R. Hildreth 1966-12-10 7469 Riverside Box Canyon Wash. C. 7-8 mi NE of Mecca on Cal. 195. 198 Comment
  UCD142865  Euphorbia setiloba G. L. Webster; R. Hildreth 1966-12-10 7467 Riverside Box Canyon, c. 9-10 mi NE of Mecca on Cal. 195. 243 Comment
  UCR256325  Euphorbia setiloba Duncan S. Bell 2012-3-18 3178 Riverside Sonoran (Colorado) Desert, Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Canyon, c. 1.5 air miles southwest of Hidden Spring 129 Comment
  UCR48212  Euphorbia spathulata R. F. Thorne, E. W. Lathrop 1975-5-25 45555 Riverside Santa Rosa Plateau, Santa Ana Mtns., Rancho California, Mesa de Burro 610 Comment
  CAS-BOT-BC171040  Fagonia laevis Martha Hilend 1932-3-25 s.n. Riverside Chuckawalla mts., about 3 miles above Corn Springs, So. Calif. Comment
  RSA0121045  Fagonia laevis Duncan S. Bell, LeRoy Gross 2016-3-29 9122 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  RSA576025  Fagonia laevis Christopher Davidson 1979-4-4 7705 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  UCR72179  Fagonia laevis Theo Glenn 1991-5-15 91- 39 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  UCR90324  Fagonia laevis Ed LaRue 1993-4-28 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 125 Comment
  RSA645543  Fatoua villosa A. C. Sanders, S. Morgan 1995-11-30 17927 Riverside Riverside: weed in the UCR Botanic Garden [UTM 10km cell: MH-7E, 5N. Edgemont.] 366 Comment
  SEINET10553063  Festuca arundinacea Boyd 1993-5-12 BOYD 7338 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon along stream and adjacent benches and lower slopes from confluence with Tenaja Canyon, T7S R5W W 1/4 NW 1/4 sec. 22, SE 1/4 sec. 21, center 1/3 N 1/2 sec. 28. Mosaic of Adenostoma fasciculatum - Ceanothus crassifolius chaparral and Eriogonum fasciculatum - Artemisia californica coastal sage scrub on slopesm, Quercus agrifolia woodland on benches and riparian woodland of Platanus racemosa, Fraxinus velutina, Salix lasiolepis, & Baccharis salicifolia along active stream channel. 366 Comment
  JOTR34003  Festuca bromoides La Doux, Tasha, M. Harding 2010-4-7 2891 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
  UCR133669  Festuca myuros 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
  UCR207376  Festuca myuros O. F. Clarke 2004-2-26 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, Two Trees Canyon 412 Comment
  UCR2410  Festuca myuros F. M. Reed 1906-3-7 897 Riverside Riverside. Hydrant [at] corner of Streight (?) and Hooker Ranches, Victoria Heights Comment
  UCR75038  Festuca octoflora A. C. Sanders, E. J. Lawlor 1992-4-4 12152 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  SD194  Festuca perennis Fidella G. Woodcock 1928-4-27 Riverside Road to San Jacinto Comment
  SDSU12931  Festuca perennis Jutta Buschbom 1991-5-31 7 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  RSA393725  Filago californica Robert Gustafson 1983-4-18 2502 Riverside Clinton Keith Road, about 3 miles from its junction with Hwy. 15, eastern slopes of the Santa Ana Mts. 457 Comment
  RSA525316  Filago californica Steve Boyd, David E. Bramlet 1990-4-29 4470 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  RSA772134  Filago californica Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4980 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  UCR158726  Filago californica A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30011 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
  UCR213540  Filago californica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37825 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near tower, 1.23 mi. NNW (348 deg. ) of intersection of I-15 and Lake St. 537 Comment
  UCR112979  Filago depressa B. G. Pitzer, T. Tennant 1998-2-21 3540 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10. 427 Comment
  RSA615092  Filago gallica D. L. Banks 1997-3-29 1587 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
  JEPS42926  Forestiera pubescens W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1340 Riverside return to Van Deventer's and Palm Canyon of Mt. San Jacinto Comment
  RSA81010  Fouquieria splendens F. W. Peirson 1921-3-23 2391 Riverside Deep canyon wash, south of Coachella Valley Comment
  UCSB7366  Fouquieria splendens Leeuwen, Henry 1957-4-13 Riverside Near juncture of Cal Hwy. 195 and U.S. 60 Comment
  CAS-BOT-BC223605  Fouquieria splendens subsp. splendens Catherine A. Toschi 1963-4-10 63 :112 Riverside Boyd Desert Research Center, 5 miles south Palm Desert 304 Comment
  UC12225  Fragaria vesca H. M. Hall 1897-1 Riverside Strawberry Valley; San Jacinto Mountains Comment
  UCSB46879  Frankenia palmeri Roos, John 1965-6-30 Riverside Perris Comment
  UC109395  Frankenia salina S. B. Parish 1897-5-31 4396 Riverside Elsinore Comment
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Nov 24 2011
  UCR116947  Frankenia salina A. C. Sanders, D. Malueg 2001-5-17 24356 Riverside Perris-Aguanga Basin, 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
  UCR130707  Frasera parryi George K. Helmkamp, E. A. Helmkamp 1998-6-27 4071 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  POM48347  Fraxinus dipetala P. A. Munz, I. M. Johnston 1924-7-29 8865 Riverside San Gorgonio Canyon, North of Banning 1067 Comment
  RSA701116  Fraxinus dipetala M. Wall 1996-7-22 180 Riverside S. of Beaumont, Hwy 79, E side of Fwy 10. Comment
  UC1123352  Fraxinus dipetala A. Lewis 1934-3-10 313 Riverside Tin Mine Canyon Cleveland National Forest, Corona Quad. 426 Comment
  RSA655603  Fraxinus velutina Mitch Provance 2000-4-8 s.n. Riverside Jurupa Mountains: Bloomington/Crestmore, ca. 100 yards NE of the corner of Cedar Ave. and El Rivino Rd., and along the W side of the El Rivino Country Club. 293 Comment
  RSA458584  Funastrum cynanchoides var. hartwegii Christopher Davidson, B. Gustafson 1977-4-7 5595 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. 610 Comment
  RSA45894  Funastrum hirtellum M. B. Dunkle 1933-5-6 3425 Riverside Canyon N. of Cathedral Canyon. Comment
  SBBG45700  Funastrum hirtellum Leota Davidson 1965-5-13 187 Riverside Joshua Tree Nat Monument Comment
  SEINET10862447  Funastrum hirtellum Thorne 1979-8-23 THORNE 54607 Riverside Pinto Basin Road, Cholla Garden 1097 Comment
  CLARK-A1528-3947  Galium angustifolium John C. Roos 1937-5-2 1413 Riverside La Sierra Comment
  JEPS30387  Galium angustifolium subsp. angustifolium William M. Klein 1960-8-22 1583 Riverside along trail to Suicide Rock and Mt. San Jacinto n Idyllwild; San Jacinto Mts. Comment
  JEPS56073  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4241 Riverside at Keyes Drive San Jacinto Mts. Poppet Flat 1097 Comment
  JOTR29304  Galium angustifolium subsp. gracillimum La Doux, Tasha, Mike Bell 2006-5-17 1381 Riverside Joshua Tree National Park. East Deception Canyon Comment
  JEPS54620 Image available Galium angustifolium subsp. jacinticum L. T. Dempster and G. L. Stebbins 1966-6-18 4244 Riverside 0.9 mi above junction with road to Pine Wood (Black Mountain road); San Jacinto Mts.; Black Mt. road, San Jacinto Mts., Riverside Co. 1981 Comment
  SEINET9349054  Galium aparine Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  UC1979678  Galium aparine Darin L. Banks, Steve Boyd 1995-3-16 105 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. Comment
  UCR147258  Galium californicum subsp. primum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1280 b Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  JOTR33950  Galium multiflorum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2818 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  RSA667136  Galium murale A. C. Sanders 2001-5-10 24251 Riverside Riverside, Blaine St. at RR tracks near intersection with Watkins Dr. 335 Comment
  JEPS74651  Galium nuttallii subsp. nuttallii Lauramay T. Dempster and G. L. Stebbins 1967-3-19 4332 Riverside just n of county line s Temecula Comment
  RSA678933  Galium nuttallii subsp. nuttallii Scott D. White, Michael Honer 2003-6-3 9476 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  RSA50568  Galium parishii E. C. Jaeger 1949-7-25 s.n. Riverside Virgin Spring, north slope of Toro Peak. Santa Rosa Mtn. 2378 Comment
  UCR260227  Galium stellatum subsp. eremicum A. C. Sanders, Jim Malusa 2015-3-11 41407 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, side canyon draining from the NE into large canyon containing the Gasline Road, c. 2.5 miles north of the Imperial Co. line, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  UC511835  Garrya flavescens Frank W. Peirson 1933-4-13 10644 Riverside road from Deep Canyon to Idyllwild 1524 Comment
  UCD121123  Garrya flavescens Nancy Ryan Zabriskie; Walter Zabriskie 1972-10-22 545 Riverside By Cactus Spring Trail crossing of Horsethief Creek, tributary to Deep Canyon, N slope Santa Rosa Mts. 1097 Comment
  RSA750739  Garrya veatchii Scott D. White, Justin M. Wood 2009-5-22 12906 Riverside San Jacinto Mountains: Idyllwild area; 'Strawberry Fuelbreak' between Strawberry Creek and road to sewage ponds. Comment
  UCR160953  Gaura coccinea A. C. Sanders 2001-7-9 24465 Riverside Santa Ana River Valley/San Bernardino Valley, Riverside, weed in the UCR Botanic Garden 351 Comment
  RSA577514  Gazania linearis D. L. Banks, S. D. Boyd 1995-2-16 0043 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, along the Woodchuck Trail. 627 Comment
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Feb 20 2020
  POM358662  Geraea canescens N. C. Cooper 1944-5-20 2633 Riverside Palm Springs. 137 Comment
  RSA709873  Geraea canescens Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4617 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  CAS-BOT-BC536093  Gilia A. C. Sanders 2005-4-22 29610 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi SE of summit of Gavilan Peak 624 Comment
  RSA0103445  Gilia Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8563 Riverside Garner Valley; west side of the highway, approximately 3.75 air miles southeast of Lake Hemet. 1370 Comment
  UCR157615  Gilia N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 184 B Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  UCR178339  Gilia Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 653 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  CLARK-A1528-3500  Gilia angelensis John C. Roos 1966-3-22 Riverside Edgemont Comment
  POM280074  Gilia angelensis Lyman Benson 1932-3-26 3168 Riverside 3 miles N [of] Temecula. 457 Comment
  RSA36205  Gilia angelensis Frank W. Gould 1943-4-18 2748 Riverside On steep grassy slopes 1 mile west of Banning; foothills of the San Jacinto Mountains. Comment
  RSA72286  Gilia angelensis F. W. Peirson 1923-3-28 4129 Riverside North of Lake Elsinore near Brickyard. Comment
  UC564016  Gilia angelensis L. R. Abrams 1935-4-7 13676 Riverside 2 mi sw Perris (Gavilan Hills); , sw of Perris Comment
  UC737253  Gilia angelensis Frank W. Gould 1943-4-18 2148 Riverside 1 mi w Banning (in the foothills of the San Jacinto Mountains); San Jacinto Mountains Comment
  UCR111560  Gilia angelensis Mitch Provance 1998-5-4 1709 Riverside Jurupa Mountains, SW 'Rattlesnake Mt.', above the Ormand Quarry, c. 1.5 km west of peak 1739 366 Comment
  UCR158141  Gilia angelensis A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30090 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
  UCR281471  Gilia angelensis Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-3-31 317- 97 Riverside Temescal Valley, Corona, N side of Campbell Ranch Rd., 0.2 miles E of intersection with Temescal Canyon Rd. 330 Comment
  RSA359866  Gilia angelensis Steve Boyd 1986-4-2 1615 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UCR177147  Gilia capitata Scott D. White, Michael Honer 2003-4-25 9108 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  RSA586875  Gilia capitata subsp. abrotanifolia D. L. Banks, S. D. Boyd 1995-5-3 0294 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
  SD197858  Gilia capitata subsp. abrotanifolia Peter L. Morrell, D. L. Banks 1995-5-4 461 Riverside Agua Tibia Wilderness Area, 2.4 miles (air) westsouthwest of Radec. 622 Comment
  SDSU3074  Gilia caruifolia Bruhns 1965-5-22 115 Riverside Slope around girls' dormitory of Desert Sun School in Idyllwild. Yellow Pine Forest. Comment
  RSA125533  Gilia diegensis R. Weatherby 1949-6-6 668 Riverside Santa Rosa Mountain. 1982 Comment
  RSA171361  Gilia diegensis J. D. Olmsted 1962-5-3 3518 Riverside Along road from Santa Rosa Indian Reservation to old village, etc. At first canyon crossing to SW side. 1555 Comment
  UCR62098  Gilia exilis G. R. Ballmer 1990-5-5 s.n. Riverside San Jacinto Mountains Foothills, northeat edge of San Jacinto Potrero land grant,, just east of small ridge extending south into valley 610 Comment
  RSA673551  Gilia ochroleuca Scott D. White, Tasha La Doux 2000-4-20 7698 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  JEPS44385  Gilia ochroleuca subsp. exilis Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4265 Riverside gravelly ridge e Toro Peak; Santa Rosa Mountains Comment
  RSA0083764  Gilia ochroleuca subsp. exilis Scott D. White, Tasha La Doux 2000-4-20 7698 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  SD114222  Gilia ochroleuca subsp. exilis Darley F. Howe 1969-5-15 4589 Riverside Near Dripping Springs camp ground. 456 Comment
  SEINET7063437  Gilia ochroleuca subsp. exilis A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage on the East Benton Road. Tucalota Hills. UTM Zone 11, 499122mE, 3715547mN. (WGS84/NAD83). 514 Comment
  UCR280974  Gilia ochroleuca subsp. exilis Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 76 Riverside Temescal Valley, Indian Wash, NE of I-15 and S of Temescal Canyon Rd. 351 Comment
  JOTR33776  Gilia stellata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2928 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (stop 2) Comment
  RSA45506  Gilia stellata J. C. Roos, L. Roos 1949-4-10 4226 Riverside 3.5 mi. SE of Desert Center, Chuckwalla Mountains. 610 Comment
  RSA776839  Gilia stellata Amber Swanson, Duncan S. Bell 2011-3-18 224 Riverside About 3 airmiles SE of Desert Center, N of Chuckwalla Mtns. 392 Comment
  RSA782184  Gilia stellata T. B. Salvato 2010-4-20 4054 Riverside alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 183 Comment
  SJSU8425  Gilia stellata G. B. Youngberg 1956-3-28 199 Riverside Palm Canyon near Palm Springs 137 Comment
  UC68723  Gilia stellata H. M. Hall Apr., 1905 5790 Riverside 10 mi w Indio (Colorado Desert); , w of Indio 30 Comment
  UCR272292  Gilia stellata Duncan S. Bell, Rachel Darney-Lane, Evan Meyer 2015-2-24 7755 Riverside Little San Bernardino Mountains, Morongo Canyon Preserve, side canyon off of Little Morongo Canyon, just south of the Riverside/San Bernardino county border 777 Comment
  UCR279333  Gilia stellata A. C. Sanders, Jim Malusa 2017-3-23 42938 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  SEINET7063450  Gilia tenuiflora A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage on the East Benton Road. Tucalota Valley. UTM Zone 11, 501776mE, 3714976mN. (WGS84/NAD83). 556 Comment
  UCR159200  Glinus lotoides A. C. Sanders, Kelly Volansky 2005-8-31 31591 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  UCR178206  Glyceria declinata T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 905 Riverside San Bernardino Mtns., Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07 1220 Comment
  RSA747280  Gnaphalium Orlando Mistretta 1992-6-10 521 Riverside Cleveland National Forest: Along old road coming off 3504 W of San Gabriel Mountains: Northeast slope Mt. San Antonio. Headwaters of west fork of north fork Lytle Creek. Sierra Peak. [Telegraph Peak quad?] Head of road. Comment
  UCR133947  Gnaphalium canescens subsp. microcephalum John F. Green 2003-8-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, south side of Wendy Lane off Calle De Suenos, south of Avenida La Cresta and Avenida Castilla 701 Comment
  UCR182804  Gnaphalium leucocephalum A. C. Sanders 2001-11-3 24879 Riverside Peninsular Range, Temescal Canyon, 1.4 miles NW of Indian Truck Trail on (old) Temescal Canyon Rd., c. 0.25 mi. SE of freeway 311 Comment
  UCR91618  Gnaphalium luteoalbum D. L. Banks, Steve Boyd 1995-3-30 0123 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, west of the Dripping Springs Alcove, east of the Woodchuck Trail. 713 Comment
  POM358870  Gnaphalium microcephalum H. de Forest, Jack Rempel 1933-10-29 18652 Riverside Snow Creek Canyon. 541 Comment
  RSA289833  Gnaphalium palustre B. A. Prigge 1980-8-12 3953 Riverside San Bernardino Mountains, Whitewater Canyon: 0.7 mile WNW of trout farm. 720 Comment
  RSA556455  Gnaphalium palustre Julie Greene 1993-4-30 1268 Riverside San Jacinto Wildlife Area. N of San Jacinto River drainage. 433 Comment
  RSA678953  Gnaphalium palustre Scott D. White, Michael Honer 2003-6-3 9455 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR112495  Gnaphalium palustre A. C. Sanders 1998-5-21 21868 Riverside Hemet, alkaline flats west of town, along Stetson Ave. west of Warren Rd. 457 Comment
  RSA752221  Grayia spinosa Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12584 Riverside Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry 640 Comment
  CAS-BOT-BC56798  Grusonia parishii Alverson 1899-1-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA289828  Gutierrezia californica B. A. Prigge 1980-8-25 4018 Riverside Colorado Desert, Coachella Valley, 1 mile E of Palm Springs Station 341 Comment
  RSA556447  Gutierrezia californica Julie Greene 1993-4-30 1280 Riverside San Jacinto Wildlife Area. N of San Jacinto River drainage. 433 Comment
  UCR89234  Gutierrezia californica Scott D. White 1995-9-22 3687 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
  UCSB45957  Gutierrezia californica Roos, John 1965-6-21 Riverside The hills 2 miles south of Beaumont Comment
  UCR59754  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3029 Riverside Peninsular Range, Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain 488 Comment
  UCR97274  Harpagonella palmeri D. E. Bramlet 1995-4-26 2399 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, S facing slope adjacent (N) of the water tank maintenance road (road from BM 1487), c. 671m east of the entrance road, at junction of maintenace road and road to Tucalota Creek 476 Comment
  RSA0066606  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-2 3206 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  RSA0066622  Harpagonella palmeri Steve Boyd 1986-5-1 1790 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  SEINET1004366  Hedysarum coronarium Walter Graves 2003-1 530 -6 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields. 305 Comment
  UC489276  Helenium bigelovii C. V. Meyer 1928-7-26 531 Riverside w slope San Jacinto Mt. 2438 Comment
  UCR174613  Helianthemum scoparium Jennifer H. Jones 2006-6-6 385 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; San Juan Loop Trail 'head 598 Comment
  RSA648739  Helianthemum scoparium var. scoparium J. C. Roos 1941-2-1 226 a Riverside south of thePlateau, Reche Canyon. Comment
  RSA0012941  Helianthus californicus Scott D. White 2003-10-9 9816 Riverside Pine Cove. Lily Creek just north of crossing at Hwy 243. 1738 Comment
  SBBG60918  Helianthus californicus R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1828 Comment
  UC62874  Helianthus californicus H. M. Hall 1901-7-1 2612 Riverside vicinity of Strawberry Valley (streams); San Jacinto Mountains 1584 Comment
  POM229528  Helianthus gracilentus Noel Wallace 1937-1 BM- 18 Riverside Riverside Comment
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Sep 7 2011
  UCR201512  Helianthus gracilentus Scott D. White, Justin M. Wood 2008-7-10 12458 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  UCR271517  Helianthus gracilentus T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8360 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  UCR108730  Helianthus niveus Scott D. White 1998-4-15 6285 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
  UCR22489  Heliotropium curassavicum var. oculatum C. S. Jones 1979-3-27 45 Riverside Sonoran (Colorado) Desert, c. 500 ft SE of junction of Hwy I-10 and Wiley Wells turnoff 213 Comment
  SDSU4752  Hemizonella minima D. F. Howe 1941-6-8 1110 Riverside San Jacinto Mts. 1829 Comment
  UCR155306  Hemizonia fasciculata A. C. Sanders 2005-5-4 29842 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  RSA16354  Hemizonia kelloggii P. C. Everett 1935-6-18 7178 Riverside San Juan Canyon, near Ortega Highway on road to Santiago Peak. 701 Comment
  UCR116670  Hemizonia kelloggii A. C. Sanders, Carolyn Washburn 2001-5-10 24242 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
  UCR128946  Hemizonia mohavensis Robert Noll 2003-8-7 s.n. Riverside San Jacinto Mtns., along dirt road to Bee Canyon, c. 1 mile below Hwy 243 1372 Comment
  POM4992  Hemizonia paniculata L. R. Abrams 1901-5-20 15513 Riverside Elsinore. Comment
  UCR151128  Hemizonia paniculata Scott D. White 1998-10-9 7170 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
  UCR232043  Hemizonia paniculata John F. Green 2008-4-15 0408- 06 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  UCR266357  Hemizonia paniculata D. E. Bramlet 2005-6-28 3884 Riverside Murrieta, Elm St. NE of I-15, just S of I-215 junction 329 Comment
  UCR277747  Hemizonia paniculata Mitch Provance 2012-7-15 712- 07 Riverside San Gorgonio Pass, South Banning, adjacent to west side of Banning High School and the KOA on San Gorgonio Ave. 1134 Comment
  UCR101544  Hemizonia pungens C. S. Jones, Jennifer Hodge 1998-3-22 s.n. Riverside Lake Elsinore, back basin, c. 700 ft. west of the San Jacinto River and c. 250 ft. south of the Lake Elsinore channel. 400 Comment
  IRVC29255  Hemizonia pungens subsp. laevis Kay Stockwell 1999-6-6 s.n. Riverside Warm Springs Creek, Murrieta; 0.5 mi. south of Murrieta Hot Springs Road 320 Comment
  UCR126990  Hemizonia pungens subsp. laevis A. C. Sanders, Guy Bruyea 2003-6-12 26891 Riverside Perris-Aguanga Basin Region, Winchester, SW edge of town between Simpson Ave. and Olive Ave., c. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  UCR177722  Hemizonia pungens subsp. laevis Michael Wall 1996-7-6 146 Riverside Peninsular Ranges; Perris-Aguanga Basin region, San Jacinto Valley, W side of Ramona Expressway in swale beginning 0.4 mi SE of Sanderson continuing for >0.5 mi. 488 Comment
  UCR21957  Hemizonia pungens subsp. laevis Steve Boyd 1980-5-13 268 Riverside Gavilan Hills, Harford Springs County Park, at NW corner of the Gavilan Plateau 640 Comment
  UCR92288  Hemizonia pungens subsp. laevis Scott D. White, M. A. Patten 1995-8-16 3550 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  SEINET3886959  Hesperocallis undulata Elizabeth Neese 1979-4-11 7107 Riverside Ca 3 mi S of Rue, ca 40 mi NW of Blythe.; 0 Comment
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Jul 19 2015
  SEINET5866979 Image available Hesperoyucca whipplei var. whipplei Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28525 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  RSA192331  Heteromeles arbutifolia H. A. Zuill 1966-6-29 259 Riverside Around lake on Mesa top near Santa Rosa Ranch about 6 miles SW Murrieta Comment
  UCR265831  Heteromeles arbutifolia Mitch Provance 2012-5-24 512- 13 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  CAS-BOT-BC312304  Heterotheca villosa var. nana John Roos; Lucille Roos 1950-10-21 5011 Riverside Wonderland of Rocks, Little San Bernardinno Mts. 1219 Comment
  HSC66721  Hibiscus denudatus Christopher Davidson, Josephine Jones 1980-4-4 9961 Riverside W end of Orocopia Mtns., canyon and wash S of Oro Peak 518 Comment
  JOTR35367  Hibiscus denudatus Harding, Mitzi, M. Wheeler 2011-1-26 151 Riverside Joshua Tree National Park. West Coxcomb Mountains; rocky foothills/slopes above bouldery wash (STOP4) 424 Comment
  UCR86195  Hibiscus denudatus A. C. Sanders 1995-5-23 17123 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, near the mouth of Martinez Canyon, at end of 72nd Avenue 25 Comment
  CAS-BOT-BC318753  Hieracium horridum Edmund C. Jaeger 1924-7-3 s.n. Riverside Strawberry Valley, San Jacinto Mts. 2194 Comment
  SEINET4145699 Image available Hilaria rigida J. M. Andre 2013-3-27 24809 Riverside Rice Valley; E side of Arica Mountains, along Rice-Midland Rd., 2.2 mi. S of Rice 242 Comment
  UCSB51279  Hilaria rigida Roos, John 1965-9-5 Riverside 18 miles W. of Blythe Comment
  RSA586333  Hirschfeldia incana D. L. Banks, S. D. Boyd 1995-5-3 198 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA660054  Hirschfeldia incana Carol Zuck 1981-2-15 18 Riverside 1.3 miles south on Bob Hope Dr. from the junction at Country Club Dr. Comment
  UC577427  Hoffmannseggia glauca J. and H. W. Grinnell 1937-11-30 1087 a Riverside 24 mi w Blythe (bed of Fork Dry Lake); Ford Dry Lake Comment
  CAS-BOT-BC207562  Hoffmannseggia microphylla Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well Comment
  UCSB3081  Hoffmannseggia microphylla Beeks, Richard 1952-4-4 Riverside Seven miles north of Mecca in Box Canyon Comment
  RSA561056  Holodiscus discolor Steve D. Boyd, Tim S. Ross, D. E. Bramlet 1993-5-12 7357 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  CAS-BOT-BC150021  Holodiscus discolor var. discolor E. W. Lathrop 1977-4-20 7609 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. Summit of Santiago Peak on the Riverside County slope side Comment
  UCR176899  Hordeum intercedens Tracy Tennant 1998-4-21 245 Riverside San Jacinto Valley, Stetson Ave. at Warren Rd., near Hemet-Ryan Airport 457 Comment
  UCR22189  Hordeum marinum subsp. gussoneanum E. W. Lathrop 1959-4-26 4506 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau; 14 miles west of Murrieta Comment
  UCR154546  Hordeum murinum Jason L. Hlebakos 2005-5-13 675 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, large vernal pool on Mesa de Colorado, c. 4 mi SE of Squaw Mtn 634 Comment
  RSA552725  Hordeum murinum subsp. leporinum Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6767 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  RSA0018953  Horkelia clevelandii Elbert Benjamine 1929-5-18 225 Riverside Mt. San Jacinto. 1220 Comment
  UCR220297  Horsfordia alata Dave Goodward 2005-2-27 s.n. Riverside Peninsular Range, Toro Canyon 366 Comment
  SD139749  Hulsea vestita subsp. callicarpha Darley F. Howe 1941-6-9 1281 Riverside San Jacinto Mountains Comment
  SEINET480190  Hulsea vestita subsp. callicarpha D. Wilken 1969-6-30 Riverside 1 mile south of Idyllwild, along Riverside County Road R1, San Jacinto Mtns. Comment
  UC1483322  Hulsea vestita subsp. callicarpha C. W. Tilforth and W. Wisura 1979-10-11 1922 Riverside 10.4 mi from n junction with Highway 74. s of Lake Hemet; Thomas Mtn. Road Comment
  RSA234092  Hydrocotyle ranunculoides R. F. Thorne, E. W. Lathrop 1969-6-6 39347 Riverside Santa Rosa Plateau: Ranch California; along small stream. 610 Comment
  SEINET269275 Image available Hymenoclea salsola Bern Schwen 1994-3-21 Riverside Joshua Tree National Monument ; Little San Bernardino Mountains along radio tower road in first canyon west of Pushawalla Canyon east of Upper Thousan 640 Comment
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Sep 7 2013
  RSA0009846  Hymenoclea salsola Marcus E. Jones 1924-2-27 s.n. Riverside Near Blythe. Comment
  SEINET7048071  Hymenoclea salsola var. pentalepis Steven R. Hill 2001-4-29 33548 Riverside Whitewater Canyon, along Whitewater River, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  SEINET11259614 Image available Hymenoxys odorata H. M. Hall 5914 Riverside Paloverde Valley 76 Comment
  CAS-BOT-BC400801  Hypericum anagalloides Carl B. Wolf 1932-8-5 3960 Riverside San Jacinto Mts. 1st. Real, wet meadow on trail from Tahquitz Valley to San Jacinto Peak 2743 Comment
  HSC66636  Hyptis emoryi Josephine Jones, Christopher Davidson 1980-4-4 9959 Riverside W end of Orocopia Mtns. S of Oro Peak. Comment
  JEPS63220  Hyptis emoryi John Thomas Howell 1928-1-29 3295 Riverside Painted Canyon; Colorado Desert, Painted Canyon Comment
  LA61824  Hyptis emoryi Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside Box Canyon Comment
  PASA1156  Hyptis emoryi R. E. Merrill Riverside Lower Murray Canyon Comment
  POM62800  Hyptis emoryi H. M. Hall 1902-04 2784 Riverside Coyote canyon 152 Comment
  RSA420155  Hyptis emoryi Ora M. Clark 1929-3-17 1727 Riverside Palm Springs. Comment
  RSA420166  Hyptis emoryi Albert J. Perkins 1916-4-17 s.n. Riverside Near Andreas Canyon. Comment
  RSA600126  Hyptis emoryi Louis C. Wheeler 1959-12-27 7642 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  SD95168  Hyptis emoryi G. L. Webster, R. Hildreth 1966-12-9 7458 Riverside Joshua Tree Nat Monument, desert slopes, 3 mi W of Cholla Gardens 853 Comment
  SEINET10498867  Hyptis emoryi David B. Dunn 1946-2-22 Dunn 1973 Riverside Hidden springs canyon in the vicinity of the palms Comment
  SEINET10869887  Hyptis emoryi David B. Dunn 1947-3-15 Dunn 2864 Riverside Pushawalla canyon, indio hills. In dry wash Comment
  UC186443  Ipomoea hederacea Gordon Surr 1915-12-5 10739 Riverside Arlington Comment
  UCD126502  Ipomoea triloba T. C. Fuller 1962-10-2 9704 Riverside south side of Ave. 32, 0.6 mile east of Ludy Blvd., 6.9 miles southwest of Ripley, Palo Verde Valley. Comment
  CDA34536  Isocoma acradenia Mike Lahti 2009-9-23 PDR# 1501827 Riverside Riverside 0 Comment
  RSA125204  Isocoma acradenia var. eremophila E. K. Balls, P. C. Everett 1957-8-20 22676 Riverside Hamilton Grade along rd. from Palms to Pines Hwy to Aguanga. 1463 Comment
  UCR45123  Isocoma acradenia var. eremophila L. F. LaPre 1986-9-25 s.n. Riverside Sonoran (Colorado) Desert, Cabazon Indian Reservation, adjacent to Southern Pacific R.R. tracks, c. 1 mi NW of Mecca, between Buchanan and Lincoln Sts., Coachella Valley 52 Comment
  SD187353  Isocoma menziesii var. menziesii Scott D. White, Angelia Carey 2004-9-16 10748 Riverside San Jacinto Mountain foothills: Along Poppet creek northeast of San Jacinto River. 561 Comment
  CDA32720  Isocoma menziesii var. vernonioides Mike Lahti 2009-10-13 PDR# 1501839 Riverside Hemet. Found off Deportola Road on Colt Road. 0 Comment
  SEINET3154033  Isomeris arborea L. S. Rose 1936-12-25 36819 Riverside Palm Springs 139 Comment
  JEPS41097  Iva axillaris subsp. robustior W. L. Jepson and H. M. Hall 1901-5-27 1475 Riverside Cahuilla Valley w Riverside County, Cahuilla Valley Comment
  RSA0005613  Ivesia callida Robert Kessler 1921-9-1 s.n. Riverside Summit of Tahquitz. 2439 Comment
  UC1514814  Ivesia callida K. Berg 1980-7-30 Riverside s ridge Tahquitz Peak; San Jacinto Mountains 2438 Comment
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Mar 15 2017
  JOTR32332  Ivesia saxosa La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 2454 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  UCR84500  Jepsonia parryi Steve Boyd 1994-10-14 8400 Riverside S Santa Ana Mtns, San Mateo Canyon Widerness Area of the Cleveland National Forest. San Mateo Canyon along San Mateo Trail between N branch of Tenaja Trail and Fishermans Camp. 427 Comment
  UCR277766  Juglans californica Mitch Provance 2012-7-15 612- 65 Riverside Beaumont Plateau, W end of Banning, 'Pershing Channel', N side W Ramsey St., W side of Omar St. 768 Comment
  UCR216053  Juglans hindsii R. E. Riefner Jr. 2009-8-15 09- 174 Riverside Temecula, Temecula Canyon, Santa Margarita River, c. 1.5 mi. west of I-15 Fwy 298 Comment
  UCR182354  Juncus balticus Mitch Provance 2005-5-17 6598 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
  RSA356717  Juncus bufonius Robert F. Thorne, E. W. Lathrop 1975-5-20 45499 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 610 Comment
  UCR232354  Juncus bufonius John F. Green 2008-4-16 C- 01 Riverside Peninsular Range; Perris-Aguanga Valley, SSE of Romoland, powerline route north of McLaughlin Rd, between Palomar and Dawson roads 442 Comment
  UCR273789  Juncus bufonius Mitch Provance 2012-4-20 412- 24 Riverside San Timoteo Canyon, just southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd./Oak Valley Parkway 643 Comment
  RSA505034  Juncus macrophyllus Ed LaRue 1989-6-23 s.n. Riverside Cleveland National Forest, parts of McVicker, Leach and Dickey Canyons, just E and SE of Lake Elsinore., (Near 33 deg 40 N, 117 deg 25 W). 488 Comment
  RSA741433  Juncus macrophyllus Scott D. White, Justin M. Wood 2008-6-18 12248 Riverside Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  UCR281580  Juncus macrophyllus Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-31 517- 116 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  JEPS67059  Juncus oxymeris Carl V. Meyer 1928-7-30 583 Riverside Saunder's Meadow San Jacinto Mts. Comment
  UCR131827  Juncus xiphioides Jennie Phui 1998-5-30 032 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  POM277149  Juniperus californica Lyman Benson 1946-4-15 12032 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  SD229038  Juniperus californica Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 639 Riverside Mt. San Jacinto: Pinyon Flats, approx. 1I(c) miles north of Highway 74 intersection with Palm Canyon Road, broad flat area. 1303 Comment
  UC1543056  Juniperus californica Donald G. Nelson 1936-5-22 400 Riverside near base Santa Rosa Mountains (Ribbon Wood Camp, Pines to Palms Highway, on trail down to stream in Palm Springs Canyon, along trail to Palm Canyon from Ribbon Wood Camp) Comment
  CAS-BOT-BC234572  Justicia californica G. D. Hanna; M. M. Hanna 1958-2-16 s.n. Riverside Mecca Canyon Comment
  LA202780  Justicia californica Carl Epling; 1927-3-27 sn Riverside Palm Springs 121 Comment
  RSA782280  Justicia californica R. W. Spjut 2008-2-29 16210 Riverside Sonoran Desert. BLM: Red Cloud Road just west of Desert Center, about 8 miles SE of I-10 along Red Cloud Road, Chuckwalla Bench 570 Comment
  SEINET2043588 Image available Justicia californica John Adams 1966-3-12 445 Riverside Hwy 74, 2 mi above Palm Desert. 610 Comment
  RSA683920  Kallstroemia californica Michael Denslow 2003-9-13 1552 Riverside Shavers Valley; I-10 at Mecca Exit, Box Springs Road. 470 Comment
  UC1063327  Keckiella antirrhinoides R. St. John 1930-4-5 111 Riverside Roche Canyon; San Bernardino Quad. 426 Comment
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Jul 5 2010
  SBBG87641  Keckiella antirrhinoides subsp. antirrhinoides A. C. Sanders, B. Pitzer 1986-4-30 6474 Riverside lower Bee Cyn, 0.2 mi above the mouth of cyn Comment
  RSA6133  Keckiella antirrhinoides subsp. microphylla B. D. Stark 1933-5-3 4987 Riverside 8 mi. up on the Palms to Pine Highway, San Jacinto Mts. Upper Sonoran. 1220 Comment
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Oct 30 2011
  SEINET12320631  Keckiella antirrhinoides subsp. microphylla C. W. Tilforth, Wisura, W. 1979-1 1905 Riverside Big Horn Sheep Overlook along Hwy 74 above Deep Canyon, S of Palm Desert Comment
  LA98032  Keckiella antirrhinoides var. antirrhinoides Elizabeth McClintock; 1936-7-27 sn Riverside San Jacinto Mts., Near Tahquitz Peak Comment
  UC667334  Keckiella antirrhinoides var. microphylla Annie M. Alexander and Louise Kellogg 1941-5-24 2215 a Riverside n base Eagle Mountains; Colorado Desert 1158 Comment
  NY43344  Keckiella cordifolia C. R. Annable 1995-3-12 2273 Riverside Box Canyon Wash, Hwy 195 Comment
  UC729831  Keckiella rothrockii var. jacintensis Carl B. Wolf 1932-8-5 Riverside trail from Idyllwild to Tahquitz Valley; San Jacinto Mts., Summit of Devil's Slide 2438 Comment
  RSA293263  Keckiella ternata subsp. ternata D. C. Michener 1980-7-17 3708 Riverside Unnamed fire road from Vista Grande guard station to northeast. Disturbed sited and rock outcrops along road. 1250 Comment
  UC38717  Koeleria macrantha H. M. Hall 1901-6 2376 Riverside vicinity Strawberry Valley; San Jacinto Mountains, vicin of Strawberry Valley 1584 Comment
  RSA209606  Krameria erecta J. W. Stubblefield 1969-5-10 s.n. Riverside Little San Bernardino Mts, Big Morongo Canyon, 2.3 miles E on Jeep road from Indian Avenue 305 Comment
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Dec 11 2011
  CLARK-A1528-5489  Krameria grayi John C. Roos 1948-4-24 3804 Riverside Whitewater Comment
  POM307853  Krameria grayi Henry J. Ramsey, Henry J. Ramsey 1937-5-9 2721 Riverside Near Indio. Comment
  RSA33613  Krameria grayi N. C. Cooper 1944-7-15 1553 Riverside Palm Springs. 122 Comment
  RSA506754  Krameria grayi D. F. Howe 1980-4-15 s.n. Riverside 5 miles W of Mesa Verde, South slope o McCoy Mtns, Hwy 10. Comment
  RSA761287  Krameria grayi Thomas Stoughton, J. McConnaughy, Andrew Monks, Malia Volke 2010-5-25 218 Riverside Cadiz Valley. Iron Mtns. Just E of junction of hwy 62 and hwy 177, NW of hwy 62. 420 Comment
  UC1280881  Krameria grayi Frank F. Gander 1938-5-21 5762 Riverside Shaver's Summit Comment
  JOTR01074  Krameria grayi Cole, James E. 1941-5-22 768 Riverside Joshua Tree National Park. RUBY LEE MILL SITE 914 Comment
  CLARK-A1528-4706  Lamarckia aurea John C. Roos 1952-4-2 5462 Riverside Box Springs Comment
  UCR50884  Langloisia setosissima A. C. Sanders 1988-5-11 7806 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  JEPS69831  Langloisia setosissima subsp. setosissima Mary Beal 1941-4-6 859 Riverside Painted Canyon, Mecca Hills Colorado Desert, Mecca Hills, Painted Canyon Comment
  RSA329549  Larrea tridentata Gary D. Wallace 1966-3-26 266 Riverside Thousand Palm Oasis in the Indio Hills 70 Comment
  RSA761045  Larrea tridentata Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-21 151 Riverside N of Desert Center. Jct of Hwy 177 and Kaiser Rd. W of Kaiser Rd. N of Hwy 177. 335 Comment
  RSA761080  Larrea tridentata Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-20 149 Riverside W of Palen/ McCoy Wilderness. Intersection of Hwy 177 and Palen Pass Rd (kiosk). 366 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
  RSA766607  Larrea tridentata Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-27 176 Riverside Orocopia Mtns Wilderness. Orocopia Mtns. SR 2013/ Red Canyon Rd at wilderness boundary sign. 689 Comment
  CAS-BOT-BC338928  Lasthenia californica L. R. Abrams 1935-4-7 13667 Riverside Gavilan Hills, 2 mi. S.W. of Perris Comment
  UCR177992  Lasthenia coronaria S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR241007  Lasthenia coronaria Tracy Tennant 1998-4-7 237 Riverside Peninsular Range/Perris-Aguanga Basin Region, Mariette Rd. at Grouse Court, 2.25 mi. NE of Vail Lake Dam 582 Comment
  UCR41244  Lasthenia coronaria N. M. Fellows 1985-3-16 s.n. Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mile west of Snow Creek Village 489 Comment
  UCR92236  Lasthenia coronaria D. L. Banks, Steve Boyd 1995-5-9 363 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 793 Comment
  RSA0008494  Lasthenia glabrata subsp. coulteri F. W. Peirson 1922-4-29 2956 Riverside South of Lake Elsinore. 381 Comment
  POM305811  Lasthenia gracilis Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1048 Riverside Elsinore and Vicinity Comment
  UCR152628  Lasthenia gracilis A. C. Sanders 2005-4-22 29587 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR155836  Lasthenia gracilis John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR91474  Lasthenia gracilis Scott D. White, M. Jacobsmeyer 1996-4-20 3959 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  RSA678928  Lathyrus vestitus Scott D. White, Michael Honer 2003-6-3 9471 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  RSA33836  Lathyrus vestitus subsp. alefeldii N. C. Cooper 1944-5-20 1247 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  RSA34550  Lathyrus vestitus subsp. laetiflorus N. C. Cooper 1944-6-16 1432 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  SD129329  Lathyrus vestitus var. alefeldii Steve Meyers 1990-3-21 Riverside Santa Rosa Plateau Area; along Gatos Road 0.5 miles south of Buena Vista Road (2 miles west of sandia Canyon & 0.1 mile north of San Diego county line) 366 Comment
  UCR137706  Lathyrus vestitus var. alefeldii D. L. Banks 1997-3-16 1549 Riverside NW Palomar Mountains, Agua Tibia Mountains, N face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound 567 Comment
  JOTR16603  Layia glandulosa Walters, Jim 1967-3-14 s.n. Riverside Joshua Tree National Park. ONE MILE NORTH OF SQUAW TANK Comment
  UC62902  Layia glandulosa H. M. Hall 1902-4-1 2900 Riverside vicinity Winchester 762 Comment
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Mar 20 2011
  SBBG103915  Layia platyglossa S. D. White 1993-4-20 1216 b Riverside ridge SE of Estelle Peak, Gavilan Hills 792 Comment
  UC917864  Layia platyglossa Frank W. Gould 1943-4-17 2105 Riverside 12 mi s of Corona Comment
  UCR239891  Layia platyglossa O. F. Clarke 2004-3-16 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, Two Trees Canyon 412 Comment
  UCR91639  Layia platyglossa D. L. Banks, Steve Boyd 1995-5-9 0380 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  RSA388317  Lemna gibba Steve Boyd 1986-5-5 1851 Riverside Gavilan Hills, Estell Mountain: Head of large canyon draining the southeast side of Estelle Mountain. Comment
  RSA594782  Lepidium densiflorum var. ramosum D. L. Banks, Dylan Hannon 1996-5-3 976 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a xeric W facing slope, approximately 350 m SE of the Helipad at the upper camp sites. 539 Comment
  UCR121808  Lepidium dictyotum var. acutidens A. C. Sanders, Carolyn Washburn 2001-4-17 24060 Riverside San Jacinto Valley, southwest edge of Hemet, NW of intersection of Stowe Rd. and California Av., 2 miles NE of Winchester 457 Comment
  CAS-BOT-BC89431  Lepidium fremontii C. L. Hitchcock 1940-4-1 5922 Riverside Cottonwood Springs wash. Comment
  UCSB39077  Lepidium fremontii Jorgensen, Jan 1982-3-21 Riverside South entrance to Joshua Tree National Monument 600 Comment
  JOTR16713  Lepidium fremontii var. fremontii Walters, Jim 1967-3-7 s.n. Riverside Joshua Tree National Park. LOWER WILSON CANYON, ABOVE CHOLLA GARDEN Comment
  UCR20694  Lepidium lasiocarpum A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1300 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
  UCR245260  Lepidium lasiocarpum subsp. lasiocarpum Jim Andre 2012-3-19 21307 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  CAS-BOT-BC154069  Lepidium nitidum A. C. Sanders; T. B. Salvato; Mitch Provance 2003-4-4 25833 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR173878  Lepidium nitidum Scott D. White, Michael Honer 2003-4-2 8919 Riverside Peninsular Ranges/Santa Ana Mtns, Temescal Canyon: Alberhill area N of the I-15 Fwy, on and near crest of unnamed mountain, '2349 716 Comment
  RSA557739  Lepidium virginicum var. pubescens John F. Emmel 1983-8-21 887 Riverside Idyllwild, along North Circle Dr. near junction with South Circle Drive. 1677 Comment
  SD254575  Lepidium virginicum var. robinsonii D. E. Bramlet 1998-6-4 2632 Riverside North Domenigoni Hills, 3.8 miles ESE (97a^z) of Winchester (Winchester 7.5'Q) 608 Comment
  LA31382  Lepidospartum squamatum Jane Turner; 1959-3-29 Riverside Morongo Wash Comment
  OBI15802  Lepidospartum squamatum Lewis S. Rose 1966-12-14 66103 Riverside Whitewater Wash, N of Palm Springs 198 Comment
  SD127552  Lepidospartum squamatum Reid Moran 1967-11-7 14647 Riverside 4 mi N of Palm Springs 299 Comment
  CAS-BOT-BC274019  Leptochloa fusca subsp. uninervia S. B. Parish 1912-6-28 8119 Riverside Mecca Comment
  JOTR33675  Leptochloa fusca subsp. uninervia La Doux, Tasha 2003-9-24 1618 Riverside Joshua Tree National Park. Little San Bernardino Mtns; southern Wonderland of Rocks, along trail to Barker Dam 1296 Comment
  RSA588815  Leptochloa fusca subsp. uninervia D. L. Banks, Steve Boyd 1995-10-17 769 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground., Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  SBBG80519  Leptochloa panicea subsp. brachiata A. C. Sanders 1985-8-24 5947 Riverside near Oasis on Ave 76, 0.4 mi E of Hwy 195, along S side of large drain flowing toward Salton Sea -54 Comment
  SDSU3131  Leptodactylon californicum Stan Mather 1938-5-13 Riverside Lake Elsinore. Comment
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Jul 8 2009
  RSA468555  Leptosiphon androsaceus Anstruther Davidson 1920-5-11 s.n. Riverside Temecula. Comment
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Sep 9 2011
  RSA359855  Leptosiphon androsaceus Steve Boyd 1986-4-2 1631 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  POM364532  Leptosiphon ciliatus Christopher Davidson 1975-6-16 2818 Riverside 2 miles N of Alandale station on road R1 from Idyllwild to Banning. 1646 Comment
  RSA0013024  Leptosiphon liniflorus LeRoy Gross, Caitlin Elam 2013-5-14 6041 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA667000  Leptosiphon pygmaeus subsp. pygmaeus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24181 Riverside S. of Hemet, E end of Diamond Valley, ca 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  POM13425  Lesquerella tenella P. A. Munz, D. D. Keck 1922-4-9 4815 Riverside Hayfields, Chuckawalla Valley. 152 Comment
  UC990719  Lesquerella tenella Roxana S. Ferris 1953-3-13 12607 Riverside road along Coachella Canal e Bat Caves Buttes (near Imperial County Line); along Coachella Canal, e of Bat Caves Buttes Comment
  SD146007  Lessingia glandulifera A. C. Sanders, S. D. Boyd and Mitch Provance 1999-9-14 23072 Riverside San Bernardino Valley; Colton Dunes, dune remnant on Slover Ave. between Pepper Ave. and the tank farm, ca. 1.0 mile due west of Slover Mt. 320 Comment
  RSA561100  Leymus triticoides Steve Boyd, D. E. Bramlet 1992-5-12 7333 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Tenaja Canyon. 366 Comment
  RSA286789  Lilaea scilloides Robert F. Thorne 1974-5-23 44677 Riverside Santa Rosa Plateau, Rancho California: N base of Mesa de Colorado 610 Comment
  PASA745  Linanthus bigelovii 1928-3-3 Riverside Hidden Springs, Colorado Desert Comment
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Aug 27 2016
  RSA764570  Linanthus bigelovii Michael Wall 2010-6-7 569 Riverside Bautista Creek off Bautista Canyon Rd., ca. 6.6 miles SE of jct. with Fairview Ave. 760 Comment
  UCD118501  Linanthus dianthiflorus R. N. Raynor 1933-5-2 s.n. Riverside Box Springs Hills. Comment
  POM279171  Linanthus dianthiflorus subsp. dianthiflorus Lyman Benson 1932-3-26 3181 Riverside Summit Temecula Grade. Comment
  RSA357775  Linanthus maculatus R. F. Thorne, M. Z. Thorne 1973-3-30 42656 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs 488 Comment
  UCR116408  Linanthus pygmaeus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24181 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
  UCR21908  Linanthus pygmaeus Steve Boyd 1980-5-2 160 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR220320  Linaria canadensis var. texana John F. Green 2005-3-7 s.n. Riverside Peninsular Range, Wildomar, west of Grand Ave off Sweet Nectar Rd. 415 Comment
  RSA659606  Lithophragma affine J. C. Roos, L. Roos 1954-4-17 6067 Riverside Canyon SE of summit of Reche Canyon. 686 Comment
  RSA0010986  Lithophragma affine Ora M. Clark 1929-3-29 1949 Riverside S. Hemet. Comment
  CLARK-A1528-360  Lobularia maritima Fred B. Essig 1967-5-18 Riverside Riverside Comment
  RSA92724  Loeflingia squarrosa J. C. Roos 1952-5-14 5664 Riverside 2 mi. northwest of Perris. 503 Comment
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May 21 2011
  RSA25369  Loeseliastrum matthewsii C. L. Hitchcock 1940-3-31 5885 Riverside 0.5 mile below Cottonwood Springs Comment
  RSA0050256  Loeseliastrum schottii J. M. Andre 2013-3-27 24835 Riverside along Wilson River Crossing Rd, 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct 114 Comment
  SBBG87389  Loeseliastrum schottii A. C. Sanders with B. Pitzer, D. Charlton 1986-3-1 6012 Riverside Chuckwalla Valley, 1 mi W of Hayfield Lake, 2 mi SW of pumping station on a small cutoff rd from Hayfield Rd to the dirt rd to Colorado River Aqueduct 426 Comment
  RSA468346  Loeseliastrum schottii Miss Hutchinson 1926-3-1 s.n. Riverside Colorado Desert. [county unspecified] Comment
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Sep 7 2016
  SEINET6188281  Logfia arizonica David Silverman, Onkar Singh 2010-1 7843 Riverside Sonoran (Colorado) Desert; NW of Blythe, Palo Verde Mesa, 1.4 km east of Black Creek Rd, 4.9 km west of McCoy Wash, and 8.8 km north of I-10 151 Comment
  CAS-BOT-BC342253  Logfia filaginoides Steve Boyd 1986-4-22 1732 Riverside Temescal Canyon: Walker Canyon area where Alberhill creek (=Temescal Ck.) flows between Alberhill Mtn. and Gavilan Hills Comment
  JEPS20883  Logfia filaginoides W. L. Jepson 1935-4-17 19153 Riverside 1.5 mi in Elsinore 457 Comment
  UCR183028  Lolium perenne subsp. multiflorum Mitch Provance 2001-4-21 2976 C Riverside San Bernardino Valley, Sunnyslope, west side of Sierra Blvd., along sidewalk adjacent to the golf course 335 Comment
  RSA586134  Lomatium lucidum D. L. Banks 1995-4-11 177 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the Dripping Springs Trail. 829 Comment
  RSA296143  Lonicera interrupta B. A. Prigge 1980-8-18 3967 Riverside San Bernardino Mountains, Whitewater Canyon; 3.5 miles upstream from trout farm. 991 Comment
  RSA613857  Lonicera subspicata var. denudata Scott D. White 1997-2-9 4684 Riverside Peninsular Range Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden. 370 Comment
  SD51938  Lonicera subspicata var. johnstonii Reid Moran 1962-7-7 9869 Riverside By Strawberry Creek, 2.0 miles southwest of Idyllwild, San Jacinto Mountains. 1550 Comment
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Feb 23 2013
  RSA568541  Lotus argophyllus var. argophyllus B. C. Templeton 1931-4-23 s.n. Riverside Between Perris and Gavilan Peak. Comment
  RSA772328  Lotus argophyllus var. argophyllus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4508 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC62935  Lotus argophyllus var. argophyllus H. M. Hall May 1899 Riverside Kenworthy 1310 Comment
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Mar 25 2011
  UCSC000920  Lotus crassifolius Peter Kamb 1948-7-3 1147 Riverside San Jacinto Mts., Hall Canyou 1646 Comment
  UC80920  Lotus crassifolius var. crassifolius A. W. Anthony 1895-7-13 Riverside San Jacinto Mountains 2438 Comment
  RSA388324  Lotus hamatus Steve Boyd 1986-5-7 1843 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. [Gavilan Hills] Comment
  RSA585745  Lotus hamatus D. L. Banks, S. D. Boyd 1995-5-9 0409 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 737 Comment
  RSA689451  Lotus hamatus Scott D. White, Michael Honer 2003-4-9 8993 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  RSA450197  Lotus heermannii J. C. Roos 1952-6-13 5768 Riverside Pigeon Pass. 427 Comment
  RSA561065  Lotus heermannii Steve Boyd, T. S. Ross, Dave Bramlet 1993-5-12 7348 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  RSA0028965  Lotus heermannii Keith E. Hoffmaster 1937-7-5 818 Riverside San Jacinto Mtns. Comment
  CLARK-A1656-671  Lotus humistratus Milton Walker 1978-3-6 Riverside San Jacinto Mountains 1097 Comment
  RSA740073  Lotus purshianus Scott D. White, Justin M. Wood 2008-6-16 12136 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  JOTR31880  Lotus rigidus La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2133 Riverside Joshua Tree National Park. Little San Bernardino Mountains; steep, gravelly, southwest facing slope above fork of Fargo and Rockhouse Canyons Comment
  POM320471  Lotus salsuginosus var. salsuginosus Greg Wright 1971-4-17 12 Riverside Corona Skyline Drive, southwest of Corona, Cleveland National Forest. 366 Comment
  RSA770844  Lotus scoparius var. brevialatus Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4944 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
  UCR135847  Lotus scoparius var. scoparius A. C. Sanders 2004-4-20 27530 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
  RSA314451  Lotus strigosus R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55447 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA503427  Lotus strigosus J. D. Olmsted 1962-5-10 3664 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  RSA702212  Lotus strigosus Scott D. White, Michael Honer 2004-3-11 9901 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  RSA775606  Lotus strigosus Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 999 Riverside Iron Mountains, on southwest side of mountains in wash. 423 Comment
  UCR116862  Lotus strigosus A. C. Sanders, Steven R. Hill 2001-5-4 24135 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR168251  Lotus strigosus Mrs. D. R. Wolf 1932-3-20 2 Riverside Santa Rosa Plateau, Richman Ranch, 2.5 miles north of DeLuz, SW Riverside County 457 Comment
  UCR171907  Lotus strigosus John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  UCR172194  Lotus strigosus 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
  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
  RSA526497  Lotus strigosus var. hirtellus Steve Boyd, T. S. Ross 1990-5-11 4692 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  RSA176229  Lotus tomentellus R. F. Thorne 1963-3-29 32383 Riverside Colorado Desert, desert wash, 9 miles E of Mecca, Mecca Hills 152 Comment
  RSA406377  Lotus tomentellus M. B. Dunkle 1933-5-6 3447 Riverside Painted Canyon. Comment
  UCR72384  Lotus tomentellus Theo Glenn 1991-5-8 91- 78 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 378 Comment
  RSA543902  Lotus wrangelianus Steve Boyd 1991-5-20 6267 Riverside Temescal Canyon, S flank of Alberhill Mtn, W end adjacent to old clay mine area. 426 Comment
  UCR71613  Ludwigia repens A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11747 Riverside Santa Ana River Valley, Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake Comment
  RSA568562  Lupinus Christopher Davidson 1979-4-4 7678 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  CHSC39252  Lupinus arizonicus M. O. Dillon; E. Rodriguez 1977-1-30 811 Riverside Ca. 21 mi E of Indio, and 0.5 mi N of Interstate Hwy 10. Near Joshua Tree National Park. Comment
  JEPS65447  Lupinus arizonicus Mary Beal 1941-4-6 858 Riverside Painted Canyon Mojave Desert, Mecca Hills, Coachella Valley Comment
  POM350004  Lupinus arizonicus D. A. Young 1969-3-21 458 Riverside Highway 71 approx. 1 miles Southwest of Elsinore. 183 Comment
  RSA124265  Lupinus arizonicus E. K. Balls, Percy C. Everett 1958-3-20 22937 Riverside South base of Eagle Mts., U.S. Hwy 60/70. 366 Comment
  RSA704589  Lupinus arizonicus LeRoy Gross 2005-3-3 1588 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  SD48478  Lupinus arizonicus E. K. Balls, P. C. Everett 1958-3-20 22937 Riverside South base of Eagle Mountains, US Hwy 60/70 366 Comment
  SJSU10788  Lupinus arizonicus R. C. McGehee 1970-4-28 232 Riverside 5 mi S of Cottonwood Pass, Joshua Tree National Monument Comment
  UCR267894  Lupinus arizonicus Jim Andre 2013-3-4 23857 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  UCR107405  Lupinus bicolor B. G. Pitzer 1997-3-23 2989 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
  UCR155038  Lupinus bicolor A. C. Sanders, Kelly Volansky 2005-3-17 29231 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
  UCR155315  Lupinus bicolor A. C. Sanders, Mike Misenhelter 2005-3-23 29252 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR25553  Lupinus bicolor subsp. microphyllus John C. Roos 1941-4-19 169 Riverside Peninsular Range, Loma Linda Hills/Box Springs Mtns.; plateau in Reche Canyon 671 Comment
  UCR60866  Lupinus bicolor subsp. microphyllus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3525 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, hills just to SW of the dam 489 Comment
  RSA180235  Lupinus bicolor subsp. tridentatus E. W. Lathrop 1965-5-30 5597 Riverside 14 miles W of Murrieta, Riverside County Comment
  UCR139025  Lupinus concinnus subsp. concinnus D. L. Banks 1997-4-5 1691 Riverside Agua Tibia Mtns., NW Palomar Mtns: Pechanga Indian Reservation. south of Dorland Mountain, just west of the Wilderness Area Boundary, along a tributary of the N fork of Pechanga Creek 640 Comment
  UCR244396  Lupinus concinnus subsp. concinnus Jim Andre 2012-4-16 20976 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  RSA407148  Lupinus concinnus subsp. optatus Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  UCD107674  Lupinus excubitus var. austromontanus C. V. Meyer 1927-6-1 166 Riverside San Jacinto Mountains. 1737 Comment
  RSA5027  Lupinus excubitus var. hallii Carl B. Wolf 1932-3-20 27 Riverside Richman Ranch, 2.5 miles no. of De Luz; S. W. Riverside County. 457 Comment
  UCR94649  Lupinus excubitus var. hallii Scott D. White 1996-5-27 4068 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  RSA91205  Lupinus excubitus var. hallii F. W. Peirson 1929-5-4 8339 Riverside 2 miles north of Aguanga, South of Hemet. 549 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
  RSA414785  Lupinus hyacinthinus George R. Johnston 1928-9-3 s.n. Riverside San Jacinto Mt. 3277 Comment
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Jul 5 2008
  UCR3708  Lupinus latifolius var. parishii Frank C. Vasek 1964-7-25 640725- 12 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  CLARK-A1528-4988  Lupinus sparsiflorus John C. Roos 1948-4-24 3789 Riverside Cabazon Comment
  SD247649  Lupinus sparsiflorus J. Mark Porter, Lauren E. Machen 1997-2-15 11422 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  SEINET3440252 Image available Lupinus sparsiflorus B. Pitzer 1986-4-26 187 Riverside Whitewater Canyon, ca. 4.5 mi. N of Hwy I-10 on Whitewater Canyon Road. (White-water 7.5'). Comment
  UCR20843  Lupinus sparsiflorus Ken Shackel 1980-3-7 s.n. Riverside Barrow [sic] pit area at N end of Mt. Vernon Avenue on lower slopes of Box Springs Mountains. Comment
  UCR245894  Lupinus sparsiflorus R. F. Thorne 1995-3-29 63013 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  POM12771  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz, D. D. Keck 1922-4-14 4996 Riverside Mouth of Whitewater Creek 244 Comment
  POM10112  Lupinus sparsiflorus var. inopinatus H. M. Hall 1904-05 4946 Riverside Fairmount Park. Comment
  RSA414404  Lupinus truncatus H. de Forest 1929-3-16 s.n. Riverside San Bernardino Mts, San Gorgonio Pass. Comment
  RSA673477  Lupinus truncatus Scott D. White, Tasha La Doux 2000-4-20 7694 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  JOTR29587  Lycium andersonii Andre, Jim 2006-4-26 6780 Riverside Joshua Tree National Park. Long canyon, approx 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  UC1280950  Lycium andersonii H. E. McMinn 1937-3-5 5001 Riverside about 7 mi w Blythe Comment
  UCR41345  Lycium andersonii N. M. Fellows, A. C. Sanders 1985-4-9 158 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  RSA428543  Lycium andersonii var. deserticola H. S. Gentry 1949-4-10 8697 Riverside Aguanga. Comment
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May 25 2016
  POM184622  Lycium brevipes var. brevipes Philip A. Munz 1931-3-13 11969 Riverside 5 mi. S. W. of Blythe. Comment
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Dec 3 2011
  JOTR31075  Lycium cooperi La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2338 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  UCR89683  Lycium cooperi Bern Schwenn 1994-5-18 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, north side of the Eagle Mountains, site of Conejo Well 1021 Comment
  RSA793467  Lycium pallidum var. oligospermum Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-11 4367 Riverside Mecca Hills: at Hidden Spring just off Hidden Spring Canyon, approximately 2.6 air miles south of Shaver Well, or approx. 5.4 air miles northeast of junction of Box Canyon Road and the Coachella Canal. 216 Comment
  CHSC1921  Lycium torreyi Margery Anthony 1954-4-15 Riverside Near Joshua National Monument. Comment
  SDSU13587  Lythrum californicum Wayne Miller, Charlie Mosse 1972-7-13 Riverside Comment
  RSA757453  Lythrum hyssopifolia Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55215 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  UC1949954  Lythrum hyssopifolia R. F. Thorne, E. W. Lathrop, S. Bickstrom-Sternberg, B. Martin May 1982 55215 Riverside Peninsular Ranges; Santa Ana Mountains region: SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. Comment
  RSA50570  Machaeranthera canescens var. ziegleri E. C. Jaeger 1949-7-25 s.n. Riverside Summit, Santa Rosa Mountains 2470 Comment
  RSA543840  Madia exigua Steve Boyd, Orlando Mistretta 1991-5-22 6305 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA524471  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4074 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA433318  Malacothamnus fasciculatus N. C. Cooper 1944-5-21 1279 Riverside Hemet. 549 Comment
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Oct 19 2009
  RSA0087583  Malacothamnus fasciculatus Norman C. Cooper 1944-7-15 1591 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  LA41780  Malacothamnus fasciculatus var. fasciculatus Louis C. Wheeler; 1931-10-4 218 Riverside San Jacinto Mountains, Hemet-Idyllwild rd Comment
  UCR34908  Malacothrix californica L. B. Ziegler 1967-4-25 122 Riverside San Jacinto Mtns Foothills, Cahuilla Indian Reservation [near Anza] 1067 Comment
  POM362315  Malacothrix glabrata N. C. Cooper 1949-3-15 3171 Riverside North of Palm Springs. 121 Comment
  UCR16701  Malacothrix glabrata Anonymous 1969-5-25 24 Riverside Mojave Desert, road from Cottonwood Springs to Twentynine Palms in Joshua Tree National Monument [now National Park], c. 17 mi from [N of] Cottonwood Springs 1220 Comment
  UCR167466  Malacothrix glabrata John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  SD129607  Malacothrix saxatilis var. tenuifolia Ed LaRue May 1989 Riverside Hills east of Beaumont, along Potrero Creek. 700 Comment
  SEINET3449034  Malva sylvestris Unknown 2001-4-29 33518 Riverside Calimesa, Calimesa, south side of route interstate 10 right of way, 0.2 miles west of Desert lawn Road exit, small drainage culvert at San Timoteo Wash 700 Comment
  CAS-BOT-BC56804  Mammillaria grahamii Roxana S. Ferris 1928-4-20 7186 Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA662175  Marah macrocarpa Stephen Hill 1981-2-16 6 Riverside Cajalco Rd. 6.3 mile E. of hwy 15. on N side of road approx. 100 yards from road. Comment
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Jul 14 2013
  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
  UC990731  Marah macrocarpa Roxana S. Ferris 1953-3-6 12592 Riverside s Palm Springs; Palm Canyon Comment
  RSA284804  Marina orcuttii J. Zabriskie 1976-6-1 848 Riverside Santa Rosa Mountains, along the Cactus Springs Trail, 0.25 miles east of Horsethief Creek 1159 Comment
  CHSC99605  Marina parryi LeRoy Gross 2005-3-3 1601 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W to 33.72053N, 115.11051W. General collecting along ridge with patino and a rejuvenate steep sided rocky, sandy canyon just to the east. All on a sparse vegetative pebbly plain bajada. 225 Comment
  POM147636  Marina parryi F. M. Reed 1927-3-20 5427 Riverside Salt Creek Wash. Comment
  RSA0099447  Marina parryi Duncan S. Bell, Evan Meyer 2014-10-29 7693 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  SFV7921  Marina parryi T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1284 Riverside Along Parker Dam Highway about 8 miles northeast of Desert Center. 183 Comment
  UCD170850  Marina parryi John Wear 1995-3-22 s.n. Riverside Colorado Desert: Wash along Eagle Mountain Road, N of I-10 near Desert Center. Comment
  UCR85284  Marrubium vulgare Bern Schwenn 1994-5-28 s.n. Riverside Mojave Desert, Joshua Tree National Monument [now J.T. National Park], Cottonwood Spring campground, parking lot at bathrooms, loop 'B. Comment
  UCR266276  Marsilea vestita D. E. Bramlet 2005-6-8 3874 B Riverside San Jacinto Valley Region, c. 4.5 km NE of Winchester, 7 km WSW of Hemet, c. 100 m north of Stetson Ave., 50 m west of MWD Canal 457 Comment
  UCR213837  Matricaria discoidea Scott D. White, Justin M. Wood 2009-5-21 12854 Riverside San Jacinto Mountains, Garner Valley, near abandoned duck ponds, south of Quinn Flat 1366 Comment
  RSA356750  Matricaria matricarioides R. F. Thorne 1975-5-20 45509 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; Santa Ana Mountains 610 Comment
  SD234831  Matricaria occidentalis R. E. Riefner Jr. 2004-6-27 4 221 Riverside Paloma Valley; along Scott Road, in general vicinity of Leon Road (Winchester 7.5'Q) 434 Comment
  RSA509554  Medicago polymorpha Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  RSA708071  Medicago polymorpha Scott D. White, Angelia Carey 2004-4-16 10176 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  CLARK-A1528-74  Melica imperfecta C. M. Flanagan 1973-4-14 OO 107 Riverside Sunnymead 609 Comment
  JOTR35203  Melica imperfecta Harding, Mitzi, Tasya Herskovitz 2011-4-28 180 Riverside Joshua Tree National Park. Lost Horse Mountains; near Lost Horse Mine trailhead; small rocky gully adjacent to trail 1414 Comment
  RSA801815  Melica imperfecta LeRoy Gross, Evan Meyer 2013-5-21 6109 Riverside 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. 1631 Comment
  SEINET3101963  Melica imperfecta Marc A. Baker, Michelle Cloud-Hughes 2011-6-12 17373 Riverside Goff Flat, 5.5km southwest of Pyramid Peak. 1625 Comment
  UC1537241  Melica imperfecta Gordon H. True Jr. 1935-3-11 92 Riverside Mockingbird Canyon 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
  UCD87932  Melica imperfecta Geoffrey Levin 1975-4-26 490 Riverside Mayhew Canyon, 1.5 mi. southwest of Glen Ivy on Highway 71. 335 Comment
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Jun 15 2012
  RSA0035450  Melilotus indicus Mary Duke, Christy Hightower, Cecilia McElroy 1982-5-15 6 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi. W of Hwy 15. Comment
  UCR151039  Mentha Scott D. White 1998-7-31 6935 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  POM126805  Mentzelia affinis E. E. Schellenger 1911-4-24 s.n. Riverside South of Palm Springs, Colorado Desert, Riverside County Comment
  RSA524580  Mentzelia affinis Steve Boyd, Tim Ross, L. Arnseth, J. Bonilla 1990-4-3 4127 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA440410  Mentzelia involucrata Christopher Davidson 1973-4-1 1839 Riverside Along Hwy 74 on desert hillside facing Palm Desert. 488 Comment
  SD114165  Mentzelia involucrata D. F. Howe 1949-3-21 1940 Riverside 16 miles east of Mecca on Highway. 518 Comment
  SEINET192011  Mentzelia involucrata C. L. Hitchcock 1940-3-29 5855 Riverside Cottonwood Canyon, ca 100 yards east of Spring. Comment
  UC1286997  Mentzelia involucrata C. L. Hitchcock 1966-3-16 24211 Riverside 4 mi s Palm Desert (along palms to Pines Hiway) 609 Comment
  UCR68714  Mentzelia involucrata Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4567 Riverside Agua Tibia Mtns., Vail Lake area, steep SE flank of Oak Mountain, above NE end of lake. 549 Comment
  POM98705  Mentzelia involucrata var. megalantha P. A. Munz 1926-1-31 9951 Riverside Dos Palmos [Palmas] Spring. Comment
  RSA0123755  Mentzelia jonesii Duncan S. Bell, LeRoy Gross 2016-3-10 8868 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 2.25 air miles northwest of the summit area. 859 Comment
  RSA440445  Mentzelia jonesii Anstruther Davidson 1906-4-11 s.n. Riverside Palm Spring, riverside County Comment
  RSA356983  Micropus californicus R. F. Thorne 1973-5-23 43870 Riverside Santa Rosa Plateau: N side of Mesa de Colorado. Santa Ana Mountains 609 Comment
  RSA713571  Microseris douglasii subsp. douglasii R. E. Riefner 2005-4-22 05 -240 Riverside Patton Rd. at Patterson Ave. 452 Comment
  RSA359525  Microseris douglasii subsp. platycarpha Steve Boyd 1986-3-9 1387 Riverside Temescal Canyon: Alberhill Mt., south slope just east of claymine area 427 Comment
  UCR228827  Microseris douglasii subsp. platycarpha A. C. Sanders, T. B. Salvato 2011-4-4 38970 Riverside Peninsular Range, Warm Springs Valley, 0.4 mi. WNW (276 deg. ) of intersection of Collier Ave. & Riverside Dr./Hwy 74, NE of Baker St. 387 Comment
  UCR266310  Microseris douglasii subsp. platycarpha D. E. Bramlet 1991-4-29 2077 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 6.5 km west of Hemet & c. 0.4 km west of intersection of Florida Ave./Hwy 74 & Warren Road 457 Comment
  UCR135855  Microseris heterocarpa A. C. Sanders 2004-4-20 27576 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
  UCR120954A  Microseris lindleyi A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23875 A Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR152633  Microseris lindleyi A. C. Sanders 2005-4-22 29590 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR21901  Microseris lindleyi Steve Boyd 1980-5-5 203 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR34957  Microseris lindleyi L. B. Ziegler 1969-5-8 354 Riverside San Jacinto Mtns, Hemet Valley 1402 Comment
  UCR54249  Microseris lindleyi David Charlton 1988-5-21 1938 Riverside San Jacinto Mtns., Thomas Mtn Rd, west of Garner Valley and south of Lake Hemet on Hwy 74 1829 Comment
  UCR182500  Mimulus aurantiacus var. pubescens Andrea Salzman, Carlos Navarro 2006-4-5 27 Riverside Peninsular Range, Sycamore Canyon park, Riverside, N of Alessandro Blvd. and SW of Box Springs Siding 457 Comment
  RSA488927  Mimulus aurantiacus var. puniceus Bill Wagner 1988-4-12 s.n. Riverside Approx. 1/2 mile SW of town of Temecula, S of Rancho CaliforniaRoad and Buisness Park Drive. 335 Comment
  UC1577079  Mimulus aurantiacus var. puniceus C. B. Clokey, I. W. Clokey, B. Templeton 1930-4-15 4728 Riverside Perres-Gavilan Peak 600 Comment
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Jul 5 2010
  RSA586120  Mimulus brevipes D. L. Banks, S. D. Boyd 1995-4-5 160 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. 549 Comment
  RSA716725  Mimulus diffusus Fred M. Roberts, Robert L. Allen, Chris Barnhill 2003-4-26 5661 Riverside Upper San Juan Canyon, along San Juan Loop Trail, 0.8 km NNW Upper San Juan Campground. 520 Comment
  CLARK-A1528-4246  Mimulus floribundus Pete Holliday 1969-5-19 Riverside Riverside Comment
  RSA0014937  Mimulus fremontii var. fremontii LeRoy Gross, Evan Meyer 2013-5-21 6122 Riverside 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 [coordinates given.] 1631 Comment
  UC472795  Mimulus fremontii var. fremontii M. F. Spencer 1921-7-1 13 Riverside Banning Road from Palm Springs; San Gorgonio Pass Comment
  RSA442776  Mimulus guttatus E. Crow 1929-4-21 331 Riverside N. of Alberhill Comment
  UCR240618  Mimulus guttatus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 39 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Hathaway Canyon 884 Comment
  SEINET5767803  Mimulus guttatus var. depauperatus Norman C. Cooper 1944-6-17 1415 Riverside San Jacinto Mtns. above Banning. Comment
  UCR43426  Mimulus johnstonii B. G. Pitzer 1986-5-24 234 Riverside San Bernardino Mtns, Whitewater Canyon, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to c. 1/4 mi north of hatchery boundary 732 Comment
  CSUSB912  Mimulus longiflorus Steve Kulju 1974-4-27 Riverside Box Springs Mountains Box Springs Mountains; dirt road to the radio tower, 4 miles from Pigeon Pass Road. 761 Comment
  UC980569  Mimulus nasutus H. K. Wagnon 1944-3-12 340 Riverside between Palm Springs and Cathedral City (w fork of stream); Eagle Canyon stream Comment
  UCR21551  Mimulus palmeri W. W. Mayhew 1980-5-29 s.n. Riverside Santa Rosa Mtns, 2 mi south of Hwy 74 along the road to Santa Rosa Peak 1646 Comment
  HSC79079  Mimulus parishii G. K. Helmkamp 1984-5-2 - 32 Riverside Big Morongo Canyon, 3-3.5 mi. below the caretaker's house at the Big Morongo Preserve, Little San Bernardino Mtns. 550 Comment
  UCR275277  Mimulus pilosus T. B. Salvato, Gregg Miller 2005-6-7 1457 Riverside Peninsular Range, Gavilan Hills, Lindell (Stovepipe) Road north of Snake Road, c. 4.5 miles north-northwest of Lake Elsinore 640 Comment
  CAS-BOT-BC9539  Mimulus rubellus Philip Alexander Munz 1922-6-30 5911 Riverside Santa Rosa, Santa Rosa Mountains 1981 Comment
  RSA583751  Minuartia douglasii Steve Boyd 1995-4-24 8480 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near its junction with the Dripping Springs Trail. 610 Comment
  RSA717494  Mirabilis laevis John Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, Greenway site along Tucalota Creek ca. 1 mile east of Murrieta Hot Springs. 396 Comment
  RSA0123999  Mirabilis laevis var. crassifolia Duncan S. Bell, Thomas Stoughton 2016-4-13 9251 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  RSA450138  Mirabilis laevis var. crassifolia J. C. Roos 1966-9-20 s.n. Riverside San Jacinto. Comment
  CAS-BOT-BC434822  Mirabilis laevis var. retrorsa John H. Thomas 1957-3-30 6535 Riverside 0.8 miles east of Cactus City, about 13 miles east of Coachella, near U. S. Highways 60 and 70. Colorado Desert. 518 Comment
  UC851827  Mirabilis laevis var. retrorsa I. W. Clokey 1935-4-17 6602 Riverside Cottonwood springs Comment
  CAS-BOT-BC384084  Mirabilis laevis var. villosa Winfield 1975-4-27 2366 Riverside Snow Creek Rd abt 3 miles from Hiway 111 Comment
  RSA715244  Modiolastrum lateritium A. C. Sanders, T. B. Salvato 2006-5-4 32245 Riverside Riverside, UCR campus, weeds in botanical garden 351 Comment
  RSA709912  Mohavea confertiflora Sarah J. De Groot, Leland Lubinsky, Naomi S. Fraga, Lisa Rojas 2005-2-10 4616 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA80251  Mohavea confertiflora F. W. Peirson 1928-3-10 7708 Riverside Hidden Spring, northern Colorado Desert. Comment
  UC1007179  Mohavea confertiflora Philip A. Munz 1940-3-23 15673 Riverside road Dale to Cottonwood Springs (s base of Pinto Mountains); Pinto Mountains 609 Comment
  UCD124029  Mohavea confertiflora C. W. Tilforth 1967-2-12 108 Riverside Painted Canyon, east of Mecca. Colorado Desert. Comment
  UCR148310  Mohavea confertiflora John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR25379  Mohavea confertiflora John C. Roos 1949-3-26 4126 Riverside Sonoran (Colorado) Desert, Mouth of Shaver's Wash [= Box Canyon], east of Mecca 61 Comment
  UCSB31044  Mohavea confertiflora Steele, R. 1977-3-26 Riverside Box Cyn Road, 5 mi SW of Interstate 10 on 365 Comment
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Dec 2 2014
  CAS-BOT-BC220023  Monardella breweri subsp. lanceolata Geo. B. Grant 1901-8-10 s.n. Riverside Strawberry Valley Comment
  UC883593  Monardella breweri subsp. lanceolata I. W. Clokey, E. G. Anderson 1935-8-21 6870 Riverside North Fork San Jacinto River 1500 Comment
  VVC1939  Monardella breweri subsp. lanceolata Tim Thomas, C. Sanders 2008-6-24 4526 Riverside San Jacinto Mtns, May Valley, in south drainage of Tahquitz Peak, ca. 2.8 air miles north of Lake Hemet. 1518 Comment
  POM12899  Monardella lanceolata var. lanceolata P. A. Munz 1922-7-3 5945 Riverside [Unspecified] 1372 Comment
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Oct 8 2011
  POM230697  Monardella lanceolata var. lanceolata I. W. Clokey, E. G. Anderson 1935-8-21 6870 Riverside North fork, San Jacinto River. 1500 Comment
  IRVC2005  Monardella linoides subsp. linoides R. H. Whittaker, W. A. Niering 1963-6-9 SJ 364 Riverside Santa Rosa Mtns: above old log mill. Peninsular Ranges 2012 Comment
  UCR217559  Monardella macrantha subsp. hallii Jeff B. Galvin 2009-7-14 95 Riverside Peninsular Ranges, San Jacinto Mountains, Chimney Flats, along Old Control Road 1383 Comment
  LA57200  Monardella nana Carl Epling; L. Haines 1937-5-7 sn Riverside about 3 mi W of Pinon Flats, Pines to Palms Hwy Comment
  LA96093  Monardella nana Elizabeth McClintock; 1941-5-31 51 Riverside 6 mi from Anza turn off Comment
  RSA762736  Monardella nana Patrick Garrett, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 79 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA750408  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 65 Riverside Pines to Palms Highway, at turn off to Santa Rosa Mt. Comment
  UCR221479  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 047 Riverside Peninsular Range; San Jacinto Mtns. Region, [Terwilliger Valley] 5.5 miles from [south of] turnoff to Anza Monument [from modern Hwy 371, toward Coyote Canyon] 1180 Comment
  RSA750312  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 127 Riverside San Jacinto Mountains. Trail to Hidden Lake. Comment
  UC1499953  Monardella nana subsp. tenuiflora E. and M. McClintock, D. Weiner 1941-7-11 98 Riverside 0.1 mi beyond turn off Banning-Idyllwild road; Black Mt. Comment
  CAS-BOT-BC349810  Monoptilon bellioides Annie M. Alexander; Louise Kellogg 1941-5-11 2153 Riverside Colorado Desert. Cottonwood Spring, Eagle Mountains 883 Comment
  UC672207  Monoptilon bellioides H. L. Mason 1928-3-10 4245 Riverside road from Indio to Palm Springs Comment
  SD186042  Muhlenbergia microsperma A. C. Sanders 2004-4-20 27550 Riverside 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  SD212436  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato, et al. 2006-5-28 32651 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bunday Canyon/Scott Road and north of Clinton Keith Road, vicinity of peak 2279. 579 Comment
  UCR168444  Muhlenbergia microsperma P. A. Munz, R. D. Harwood 1920-2-28 3238 Riverside Santa Ana Mtns. region, 2 miles SE of Corona 305 Comment
  UCR281268  Muhlenbergia microsperma Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 28 Riverside Peninsular Ranges, Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way 592 Comment
  JOTR16783  Muhlenbergia porteri Leary, Pat 1975-6-7 1268 Riverside Joshua Tree National Park. QUEEN VALLEY, ONE MILE NORTHWEST OF OPTIMO 1341 Comment
  UCR272675  Muhlenbergia porteri Sarah J. De Groot, Duncan S. Bell 2015-9-21 7587 Riverside Peninsular Range; Santa Rosa Mountains, SSW of Palm Desert, along Carrizo Road just north of Hwy 74 1053 Comment
  UCD87077  Muhlenbergia rigens Peter Kamb 1948-10-21 1275 Riverside Hall Canyon. San Jacinto Mts. 1645 Comment
  RSA359530  Muilla maritima Steve Boyd 1986-3-9 1394 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
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Jan 15 2009
  SBBG34981  Myriopteris clevelandii T. L. Secrest 1951-5-21 Riverside 3 mi S of Banning Comment
  SDSU13517  Myriopteris newberryi W. Miller with C. Mosse 1972-7-11 Riverside Comment
  RSA601653  Najas guadalupensis L. C. Wheeler 1957-11-30 7275 Riverside Coachella drainage ditch, ca. 1.5 mi. south southeast of Thermal. Comment
  RSA522092  Najas marina Steve Boyd, Orlando Mistretta 1989-7-18 3760 Riverside Vail Lake area, along west shore of lake 1/2 mi S of dam. 427 Comment
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Jul 9 2014
  UCR1504  Nama demissa Donna Lee Hobbs 1962-3-18 3-18-62- 4 Riverside Colorado Desert/ San Bernardino Mtns., W face of Whitewater Canyon, 5 mi. east of Cabazon on Hwy 60. Comment
  UCR279328  Nama demissa A. C. Sanders, Jim Malusa 2017-3-23 42914 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  JOTR35300  Nama demissa var. demissa Andre, Jim 2012-4-11 20797 Riverside Joshua Tree National Park. western margin of Eagle Mountains, along road to Cottonwood Spring (Utah Trail), 0.7mi N of Cottonwood Visitor Center 956 Comment
  RSA0021555  Nama hispida Duncan S. Bell 2012-3-4 3139 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  UCR167391  Nama hispida John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  POM14039  Nama hispida var. spathulata P. A. Munz, D. D. Keck 1922-4-8 4740 Riverside Mecca, Colorado desert. -30 Comment
  UCD119544  Nama hispida var. spathulata Carl B. Wolf 1932-4-28 3082 Riverside Colorado Desert. Chuckwalla Valley. 19 mi. west of Blythe on the Mecca Road. Comment
  RSA575976  Narcissus tazetta Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills region, upper Arroyo del Toro along old road grad west of Bull Canyon Road. 610 Comment
  RSA501006  Nassella pulchra Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3124 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  RSA715050  Nassella pulchra A. C. Sanders, Guy Bruyea 2004-4-2 27436 Riverside Peninsular Range: Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  UCR57139  Navarretia atractyloides Ed LaRue 1989-6-14 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, east edge of Plateau overlooking town of Murrieta; c. 1.25 mi west of town and c. 1 mi (airline) east of De Luz Road 549 Comment
  RSA751394  Navarretia fossalis R. E. Riefner Jr. 2003-9-26 03 -378 Riverside Wildomar, approx. 1 mile E of I-15 along Clinton Keith Rd. in vicinity of Smith Ranch Rd. 427 Comment
  CAS-BOT-BC109110  Nemacaulis denudata var. gracilis Geo. B. Grant 1906-4-20 6718 Riverside Palm Springs Comment
  JEPS57952  Nemacaulis denudata var. gracilis Dr. L. M. Newlon 1922-4-5 462 a Riverside e Palm Springs; San Jacinto Mts. Comment
  SEINET4565894  Nemacaulis denudata var. gracilis Duncan S. Bell 2010-4-2 684 Riverside Arica Mountains: west side of the mountain range within the Palen/McCoy Wilderness; c. 3 air miles northwest of Priest Well 477 Comment
  RSA735226  Nemacladus Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11250 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
  LA204528  Nemacladus gracilis Carl Epling; Harlan Lewis 1942-6-16 Riverside San Jacinto Mountains, Saunders meadow, Idyllwild Comment
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Jun 12 2015
  RSA0126425  Nemacladus longiflorus var. longiflorus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4516 -a Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  SD262254  Nemacladus longiflorus var. longiflorus Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417 68 Riverside Temescal Valley: Indian Wash, SW of I-15, S side of De Palma Rd., 700-11-- ft. WNW of inter. With Glen Eden Rd. 366 Comment
  UCR20556  Nemacladus longiflorus var. longiflorus W. W. Mayhew 1977-6-27 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  JEPS22350  Nemacladus orientalis Rimo Bacigalupi with Roxana S. Ferris 1958-3-21 6252 Riverside 11.3 mi n Blythe (e slope of Big Maria Mts, 0.25 above Colorado River); Big Maria Mts., Colorado River 170 Comment
  RSA0121062  Nemacladus orientalis Duncan S. Bell, Thomas Stoughton 2016-3-16 8949 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  SEINET10703391  Nemacladus rigidus var. rubescens David B. Dunn, Harold L. Lint 1955-4-1 Dunn 11836 Riverside Collected in a ravine on the arid slopes on the west side of Pushawalla canyon in the Indio Hills. Comment
  SEINET10461108  Nemacladus rubescens Raven 1958-3-15 Raven 11833 Riverside Painted Canyon, near Mecca Comment
  JOTR36433  Nemacladus tenuis var. aliformis La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3404 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  RSA0119739  Nemacladus tenuis var. aliformis Duncan Bell 2011-3-19 2062 Riverside West side of the Chuckwalla Mountains; north of Red Cloud Mine Road; approximately 1 air mile southwest of Lost Pony Mine. 599 Comment
  POM305713  Nemophila menziesii Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1026 Riverside Hemet-Anza, Bautista Creek Road. Comment
  UCR116966  Nemophila menziesii A. C. Sanders, T. B. Salvato 2001-5-3 24091 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR162413  Nemophila menziesii S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  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
  RSA784968  Nicotiana Duncan S. Bell 2012-3-18 3231 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  UC127305  Nicotiana attenuata unknown Aug 1901 838 Riverside San Jacinto Mts. 1524 Comment
  UC520128  Nicotiana attenuata Carl Epling 1932-6-25 Riverside Vandeventer Flat; San Jacinto Mts. Comment
  UC570705  Nicotiana clevelandii H. L. Mason 1928-3-10 4211 Riverside Hidden Springs; Coachella Mountains Comment
  SEINET3224404  Nicotiana glauca G. Goodwin 2012-6-15 3458 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  RSA596161  Nicotiana glauca D. L. Banks 1996-11-7 1214 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
  HSC21284  Nicotiana obtusifolia L. S. Rose 1967-12-19 67182 Riverside La Quinta 15 Comment
  UCR281921  Nicotiana obtusifolia A. C. Sanders, Jim Malusa 2017-9-21 43348 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  UC444985  Nicotiana quadrivalvis Lottie M. Wilder 1903-4-23 93 Riverside Wilder's Comment
  UCR114314  Nicotiana quadrivalvis Mitch Provance 1998-3-21 274 Riverside Jurupa Hills, Sunnyslope, Ormand Quarry. 280 Comment
  SBBG32470  Notholaena californica L. S. Rose 1966-12-13 66102 Riverside Palm Springs, Tahquitz Wash 182 Comment
  UCR132749  Notholaena parryi Scott D. White 1993-2-5 1048 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
  UC1174407  Nuttallanthus texanus Ira L. Wiggins and W. R. Ernst 1958-5-2 225 Riverside 2 mi n of Temecula (along Highway 395) Comment
  OBI7134  Nymphaea alba Pam Wolf 1976-5-29 197 Riverside Pond at Fairmont Park 457 Comment
  POM307303  Oenothera californica subsp. californica Henry J. Ramsey 1937-5-30 2149 Riverside Santa Rosa Mountains. Comment
  POM38728  Oenothera californica subsp. californica Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  UCR281884  Oenothera californica subsp. californica R. E. Riefner Jr. 2017-9-4 17- 452 Riverside Perris-Aguanga Basin, Wolf Valley, city of Temecula, Temecula Creek, immediately north of Temecula Lane and Canterfield Drive, vicinity of Pala Community Park 323 Comment
  UCR16380  Oenothera deltoides S. J. Southwell 1971-5-2 s.n. Riverside Sonoran (Colorado) Desert, Windy 'Gap' [Point] sand dune, c. 10 mi. NW of Palm Springs on Hwy 111 305 Comment
  SEINET5345712  Oenothera deltoides var. deltoides H. M. Hall 1905-1 5926 Riverside Colorado Desert, McCoy Wash 91 Comment
  UC1007107  Oenothera elata subsp. hirsutissima P. A. Munz 1934-9-30 13238 Riverside foot of Mt. Roubidoux Riverside Comment
  RSA0124736  Oenothera primiveris Duncan S. Bell, LeRoy Gross 2016-3-9 8836 Riverside Orocopia Mountains; southern section of range; along the Bradshaw Trail, approximately 2 air miles southeast of Gucci Spring. 345 Comment
  UCR41640  Oenothera primiveris A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6030 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  UCR114327  Oenothera rosea Mitch Provance 2000-9-28 2264 Riverside UCR Campus, S side of Linden St., across from the Parking Services building. 335 Comment
  RSA0055051  Olneya tesota James R. Shevock 1971-5-8 1026 Riverside Box Cyn. 91 Comment
  UCR128311  Oncosiphon piluliferum Scott D. White, Michael Honer 2003-6-17 9551 Riverside S Perris Basin, Murrieta. Interstate 215 / Clinton Keith interchange 457 Comment
  UCR260868  Oncosiphon piluliferum A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41562 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., lower Horsethief Canyon Wash just above DePalma Rd. crossing, 1/4 mile NW of Horsethief Canyon Rd. junction 375 Comment
  RSA388330  Opuntia basilaris Steve Boyd 1986-5-7 1834 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  SBBG88024  Opuntia littoralis A. C. Sanders 1984-4-15 5012 Riverside Mesa de Colorado, 5 air mi SW of Murrieta 60 Comment
  SBBG88115  Opuntia littoralis A. C. Sanders 1984-4-21 5013 Riverside Moreno Badlands at edge of San Jacinto Valley, along Gilman Springs Rd, 1.5 mi NW of Gilman Hot Springs, 0.4 mi W of Sanderson Ave. (Lamb Cyn Rd) 487 Comment
  UCR125198  Opuntia littoralis Mitch Provance 1998-5-24 530 Riverside Jurupa Mtns., Belltown area, 'Belltown Hill', small knoll near the E corner of Agua Mansa Rd. and Crestmore Rd./ Market St. 299 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
  RSA554004  Opuntia vaseyi B. D. Parfitt, Rita Anthony, Andy Sanders 1986-4-19 3498 Riverside SSE of Lake Elsinore on the Mesa de Colorado, opposite side of road from large vernal pool protected by the Nature Conservency. 549 Comment
  JEPS22573  Orobanche cooperi Rimo Bacigalupi with Paul C. Hutchison 1958-2-19 6205 Riverside 20 mi n of Desert Center (and about 3-4 mi e of the eastern base of the Coxcomb Mountains, along the Parker Dam Highway from Rice to Desert Center); Colorado Desert, Parker Dam Highway 243 Comment
  UC724153  Orobanche cooperi Aven and Ruth Nelson 1939-3-28 3301 Riverside e of n end of Salton Sea, near Mecca Mecca Comment
  RSA0078552  Orobanche parishii Sara M. Schenck 1941-11-2 s.n. Riverside Smith Water Canyon, Joshua Tree National Monument. Comment
  JEPS126153  Orobanche parishii subsp. parishii Mike Hamilton 2005-12-2 s.n. Riverside San Jacinto Mountains, UC Riverside James Preserve, near weather station Comment
  UCR79208  Oxalis californica Steve Boyd 1992-4-14 6873 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness. Along Verdugo Trail from Tenaja Tr. to Bluewater Tr. in upper watershed Bluewater Canyon. south of Sitton Peak 854 Comment
  RSA562478  Oxalis corniculata Steve Boyd, Tim S. Ross 1992-5-5 7258 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
  CAS-BOT-BC413309  Oxytheca perfoliata J. Von Loh 1978-7-11 3375 Riverside Edwards AFB Comment
  SEINET1908452  Oxytheca trilobata A. C. Sanders, Mitch Provance 2008-1 35762 Riverside Peninsular Range; San Jacinto Mtns.: 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad. 1463 Comment
  UCR193915  Oxytheca trilobata A. C. Sanders, Mitch Provance 2008-7-11 35762 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  CAS-BOT-BC327938  Palafoxia arida L. A. Greata 1905-4-1 421 Riverside Coachella Comment
  UCD134895  Palafoxia arida B. Pitzer 1997-10-19 3351 Riverside N foot of Chuckwalla Mts, Eagle Mtn Rd on S side of Hwy I-10, ca. 0.8 mi. S of Hwy at Powerline Rd. 499 Comment
  UCR134598  Palafoxia arida Marisa Sripracha, Kyle Boyd 2004-2-14 014 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  UCR20845  Palafoxia arida A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1309 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
  JEPS34754  Palafoxia arida var. arida I. W. Clokey 1935-4-17 6838 Riverside e Shafer Wells; Colorado Desert; [Shaver's Wells] Comment
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Apr 24 2011
  POM31647  Palafoxia arida var. arida Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  UC166697  Palafoxia arida var. arida S. B. Parish 1907-4-19 6078 Riverside Palm Springs western borders of the Colorado Desert 150 Comment
  UC604859  Palafoxia arida var. arida Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9524 Riverside Pinto Basin 16 mi from Cottonwood Springs Comment
  CDA32593  Panicum urvilleanum K. E. Hoffmaster 1958-12-22 Riverside Indio area, in young grapefruit orchard. 0 Comment
  UCR2633  Panicum urvilleanum S. B. Parish 1907-1 s.n. Riverside Sonoran (Colorado) Desert, Whitewater at edge of the Colorado Desert 396 Comment
  UCD170911  Parietaria hespera A. C. Sanders 2014-4-8 40973 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon. 317 Comment
  UCR250319  Parietaria hespera A. C. Sanders 2014-4-8 40973 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  UCR126436  Parkinsonia florida T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 048 Riverside Coachella Valley, 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal 9 Comment
  UCR214713  Parkinsonia florida A. C. Sanders 2010-3-23 37547 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  RSA698047  Parosela emoryi J. Russell Bruff 1928-12-29 402 Riverside Lone Cottonwood Ranch 2 mi. S.E. of Dos Palmos. Comment
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Oct 23 2011
  UCR113973  Parthenocissus vitacea Mitch Provance, A. C. Sanders 2000-7-4 2099 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UC1132410  Paspalum distichum H. S. Yates 1936-8-29 6377 Riverside near Keen Camp; San Jacinto Quadrangle Comment
  CAS-BOT-BC258775  Paspalum urvillei S. B. Parish 1913-9-23 8620 Riverside Palm Springs R. R. Station, Colorado Desert Comment
  POM192451  Pectis papposa Marcus E. Jones 1929-9-16 s.n. Riverside East of Desert Center. Comment
  POM228765  Pectis papposa F. W. Peirson 1937-11-27 12245 Riverside La quinta, about sea level. Comment
  POM268769  Pectis papposa Marcus E. Jones 1929-9-16 s.n. Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  RSA0106693  Pectocarya heterocarpa Duncan S. Bell, Thomas Stoughton 2010-3-19 561 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2 air miles west of Priest Well. 449 Comment
  SEINET12801743  Pectocarya linearis A. C. Sanders, T. B. Salvato, Mitch Provance 2003-1 25838 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns. Hill SW of the Jensen Quarry, NW of Sunnyslope; Alt: 366-421m/1200-1380ft. 307 Comment
  UCR182320  Pectocarya linearis Mitch Provance 2003-4-18 6602 Riverside San Bernardino Valley, Riverside, Santa Ana River Wash, just under and NE of the Market St. Bridge 244 Comment
  VVC2877  Pectocarya linearis subsp. ferocula Tim Thomas, P. J. MacKay 2010-4-12 5047 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  CAS-BOT-BC169710  Pectocarya peninsularis John Thomas Howell 1928-1-28 3282 Riverside Thousand Palms, Colorado Desert Comment
  UCR148472  Pectocarya peninsularis S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  RSA0120623  Pectocarya platycarpa Duncan S. Bell, Thomas Stoughton 2016-3-15 8934 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; in the central part of the range, approximately 0.75 air mile east northeast from the summit of the range. 861 Comment
  RSA559922  Pectocarya platycarpa Steve Boyd, C. Boyd, K. A. Boyd 1992-4-19 6911 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  UCR102944  Pectocarya platycarpa George K. Helmkamp 1998-4-4 3137 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  RSA0123292  Pectocarya recurvata Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8980 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  CLARK-A1528-37  Pellaea andromedifolia E. Kozloff 1938-1-9 Riverside Corona Comment
  POM120722  Pellaea andromedifolia var. andromedifolia Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA33854  Pellaea andromedifolia var. andromedifolia John S. Garth 1944-4-8 1089 Riverside Andreas Canyon 457 Comment
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Apr 17 2011
  SEINET3873378  Pellaea andromedifolia var. andromedifolia Steve Boyd, Timothy S. Ross; Dave Bramlet 1993-5-12 7312 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.; 0 Comment
  RSA180255  Pellaea mucronata var. mucronata E. W. Lathrop 1959-4-17 4483 Riverside 14 miles west of Murrieta Comment
  RSA522753  Pellaea mucronata var. mucronata Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3860 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
  UCR83331  Pennisetum setaceum A. C. Sanders 1994-5-15 14485 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  UCR35259  Penstemon X parishii L. B. Ziegler 1970-6-28 410 Riverside Peninsular Range; San Jacinto Mtns., Thomas Mtn 1951 Comment
  RSA412461  Penstemon centranthifolius E. C. Jaeger 1921-6-1 s.n. Riverside Gregg's Ranch, San Jacinto Mtns. 1372 Comment
  SEINET10299439  Penstemon centranthifolius K. Nakano 1969-4-18 27 Riverside 5.9 mi E of US Hwy 395 on Hwy 71, E of Temecula 152 Comment
  SEINET244777  Penstemon centranthifolius Ian G. Gillespie, Summer Karsh 2000-5-13 42 Riverside SanJacinto Mountains; ca 200 m up Mt. Edna Road off of Hwy 243 on the northern side of the mountains. 1159 Comment
  UCR121247  Penstemon centranthifolius Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2280 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA96998  Penstemon centranthifolius R. M. Straw 1953-6-6 460 Riverside 6.6 mi. S. of Banning on Idyllwild Road. Comment
  RSA0120326  Penstemon clevelandii subsp. connatus Duncan S. Bell, Thomas Stoughton 2016-4-14 9292 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  RSA184663  Penstemon clevelandii subsp. connatus L. B. Ziegler 1966-6-1 s.n. Riverside Near old Kenworthy Mine, Kenworthy Ranger Station, Hemet Valley 1524 Comment
  UC1409152  Penstemon heterophyllus var. australis Robert F. Thorne and Earl Lathrop 1969-6-6 39333 Riverside Rancho California , Rancho California (Santa Rosa Plateau) 609 Comment
  UCR164932  Penstemon spectabilis T. B. Salvato, John F. Green 2004-5-27 627 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
  UC103117  Penstemon spectabilis var. spectabilis A. W. Anthony Riverside San Jacinto Mts. Comment
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Apr 23 2011
  RSA0045198  Pentagramma maxonii E. C. Jaeger 1922-3-25 748 Riverside Murray Canyon, near Palm Springs. 304 Comment
  SBBG2637  Peritoma arborea H. and M. Dearing 1938-3-5 1075 Riverside Box Cyn, N of Mecca Comment
  UCR244079  Peritoma arborea var. arborea Jim Andre 2012-4-16 20895 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
  UCR279508  Perityle emoryi A. C. Sanders, Jim Malusa 2017-3-27 43117 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
  CAS-BOT-BC167762  Petalonyx thurberi E. H. Daniels; J. Bates 1932-6-5 s.n. Riverside Palm Springs. Colorado Desert 137 Comment
  JEPS41239  Petalonyx thurberi W. L. Jepson and H. M. Hall 1901-5-22 1399 a Riverside s. of Hemet's Valley (Palm Canyon and return to Van Deventer's); Mt. San Jacnto, Palm Canyon Comment
  OBI12448  Petalonyx thurberi Robert F. Hoover 1966-10-15 10155 Riverside Dead Indian Creek wash, S of Palm Desert Comment
  UCR72192  Petalonyx thurberi Theo Glenn 1991-5-2 91- 127 Riverside Sonoran (Colorado) Desert, Arica Mtns., SW of Rice 340 Comment
  SEINET11978708  Petalonyx thurberi Unknown 1936-1 12554 Riverside Colorado Desert N of Palm Springs Comment
  LA103809  Petalonyx thurberi subsp. thurberi Robert F. Thorne; W. A. Tilforth 1980-5-28 54191 Riverside San Bernardino Mountains, Whitewater ridge above old bridge Comment
  LA49847  Petalonyx thurberi subsp. thurberi Norman C. Cooper; 1944-5-20 2631 Riverside San Jacinto Mountains, Palms to Pines Highway 304 Comment
  POM13423  Petunia parviflora Philip A. Munz, I. M. Johnston 1922-5-5 5156 Riverside Mystic Lake, near Moreno. Comment
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Mar 20 2011
  CAS-BOT-BC326773  Peucephyllum schottii Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9562 Riverside Mecca Hills 2 miles up Painted Canyon Comment
  JOTR32906  Peucephyllum schottii Andre, Jim, Tasha La Doux 2009-3-10 11248 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  RSA20298  Peucephyllum schottii Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9562 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  UCR148860  Peucephyllum schottii S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  UCR167447  Peucephyllum schottii John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCSB36152  Peucephyllum schottii Roberts, Dar 1980-3-26 Riverside 1 mile south southern entrance to Joshua Tree National Monument 1/4 mile East Rd. 750 Comment
  RSA776236  Phacelia Duncan S. Bell 2010-3-20 606 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  RSA427709B  Phacelia ambigua G. R. Johnstone 1930-4-14 14657 Riverside Shavers Well Comment
  POM13112  Phacelia brachyloba P. A. Munz, I. M. Johnston 1922-5-19 5344 Riverside 5 mi. E of Murrieta. 488 Comment
  UCR222309  Phacelia brachyloba R. F. Thorne, W. Wisura, David Michener 1982-5-24 55187 Riverside Peninsular Ranges; Santa Ana Mountains, Cleveland National Forest, [north] along Main Divide Truck Road [from El Cariso Fire Station area] 915 Comment
  CHSC707  Phacelia campanularia F. Hughes 1935-4-16 Riverside East of Indio, Colorado Desert. 30 Comment
  UCSB52572  Phacelia campanularia Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  JOTR32915  Phacelia campanularia subsp. vasiformis La Doux, Tasha, Jim Andre 2009-2-28 355 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
  UCR135854  Phacelia cicutaria var. hispida A. C. Sanders 2004-4-20 27575 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
  UCR225710  Phacelia cicutaria var. hispida A. C. Sanders 2011-3-30 38917 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  RSA0107898  Phacelia crenulata Duncan S. Bell, Thomas Stoughton 2010-3-19 570 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.25 air miles west of Priest Well. 439 Comment
  UCR103581  Phacelia crenulata var. ambigua George K. Helmkamp, E. A. Helmkamp 1998-1-17 2541 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  RSA0119975  Phacelia crenulata var. minutiflora Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9092 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 550 Comment
  RSA0119887  Phacelia cryptantha Duncan S. Bell, Thomas Stoughton 2016-4-12 9217 Riverside Santa Rosa Mountains; eastern side of Martinez Mountain; in a side canyon off of Martinez Canyon, approximately 3.5 air miles southwest of the junction of Agua Alta Canyon and Martinez Canyon. 861 Comment
  UC64054  Phacelia curvipes W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1421 Riverside Van Deventers Comment
  RSA426219  Phacelia distans Christopher Davidson, Robert Gustafson 1977-4-7 5574 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope. 610 Comment
  RSA517927  Phacelia distans Steve Boyd, B. Roy, T. S. Elias, S. Meury, S. Zona 1986-3-5 1356 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 & Box Canyon. Comment
  SD255771  Phacelia distans Mitch Provance 2012-5-24 512 26 Riverside San Bernardino Mountains; Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Ave., and Wilson St. 868 Comment
  SEINET3523574 Image available Phacelia distans Jim Andre 2011-2-2 16239 Riverside Coachella Valley: mouth of Big Moronga 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 (Moronga Valley 7.5' Q). 487 Comment
  UCR269765  Phacelia distans A. C. Sanders, Jim Malusa 2016-3-18 42367 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UCR276659  Phacelia distans Jim Andre 2015-3-6 33572 Riverside Coachella Valley, far northwest corner of valley, 0.5 mile west of Hwy 62 at mouth of Dry Morongo Wash, 0.3 mile north of (dirt) Kolbe Road 561 Comment
  UC663064  Phacelia fremontii James E. Cole 1941-5-2 673 Riverside Lost Horse Valley Joshua Tree National Monument 1310 Comment
  UC666538  Phacelia fremontii Reid Moran 1941-5-4 842 Riverside e Quail Spring; Joshua Tree Nat. Mon. 1300 Comment
  RSA33574  Phacelia minor N. C. Cooper 1944-5-21 1266 Riverside San Jacinto Mountains, west side. 1220 Comment
  SDSU12857  Phacelia minor Janet M. Knotts with Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998A Riverside Creekbed due south of SDSU Santa Margarita Field Station, ca. 1000 feet southwest on road to switchback bend, then ca. 800 feet northeast down to creekbed. 238 Comment
  RSA554652  Phacelia neglecta A. C. Sanders, E. J. Lawlor 1992-4-4 12090 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  JOTR30111  Phacelia pedicellata La Doux, Tasha, Bill Truesdell 2008-3-18 1659 Riverside Joshua Tree National Park. Stop 2 = Near northern Park boundary in Rattlesnake Canyon Wash, near bouldery outcrops 892 Comment
  UC666586  Phacelia pedicellata Harlan Lewis and Carl Epling 1942-5-3 1601 Riverside Pines to Palms Hwy (CA 74) e Nightingale (at 3000 ft marker) 914 Comment
  POM10401  Phacelia ramosissima var. latifolia Charlotte M. Wilder 1903-4-23 165 Riverside Wilder s canyon, Jurupa Hills, near Riverside. Comment
  CSUSB153  Phacelia tanacetifolia David M. Peterson 1966-3-13 660313 1 Riverside Six miles south of Morongo Valley, on 29 Palms Road. 304 Comment
  CLARK-A1528-4793  Phalaris aquatica John C. Roos 1962-6-30 Riverside Santa Ana Mountains Comment
  RSA717648  Phalaris paradoxa Scott D. White, Pam DeVries 2006-3-14 11246 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  UCR151223  Phoenix canariensis Scott D. White 2000-10-24 8139 Riverside Peninsular Ranges; Perris-Aguanga Basin region, South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills 671 Comment
  UCR69908  Phoenix canariensis A. C. Sanders 1991-7-19 11152 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  JOTR30634  Pholisma arenarium La Doux, Tasha 2008-5-29 1798 Riverside Joshua Tree National Park. Queen Valley 1365 Comment
  UC702032  Pholistoma auritum Frank W. Gould 1943-4-17 2113 Riverside 12 mi. s. Corona (on Elsinore road) Comment
  CAS-BOT-BC540726  Pholistoma membranaceum Sarah J. De Groot; Cheryl Sevilla 2015-2-18 7363 Riverside North fork Mission Creek, SE San Bernardino Mountains, NW of Desert Hot Springs 780 Comment
  RSA189406  Phoradendron californicum L. S. Rose 1966-12-11 s.n. Riverside Palm Springs. 152 Comment
  RSA609052  Phoradendron californicum H. A. Wheeler 1931-1-20 s.n. Riverside Palm Springs. 30 Comment
  RSA650124  Phoradendron californicum David B. Dunn 1947-7-12 2978 Riverside Pushawalla Canyon, Indio Hills. Comment
  UC61548  Phoradendron californicum Miss Mary McKibben Riverside Mecca -60 Comment
  UCR96817  Phoradendron californicum Bern Schwenn 1994-4-1 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mountains, Hayfield Spring on the south side of the range. 700 Comment
  UCSB1316  Phoradendron californicum Gray, Caroline 1956-4-14 Riverside Northern Desert slope 2 mi. opposite Southern entranceof Joshua Tree National Monument Comment
  UCSB18192  Phoradendron californicum Copeland, Jerry 1964-5-10 Riverside About 100 feet east of Highway 74, 3 miles south of Palm Desert Comment
  JOTR31003  Phoradendron densum La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1283 Riverside Joshua Tree National Park. Stop 4: Hexie Mountains, Blue Cut Gorge, canyon with sandy bottom and steep rocky walls Comment
  UCR1488  Phoradendron densum Howard York 1962-4-5 s.n. Riverside San Jacinto/Santa Rosa Mtns., Pinyon Flats Campground, Hwy 74 1220 Comment
  RSA645539  Phoradendron libocedri George K. Helmkamp 1995-11-16 s.n. Riverside San Jacinto Mountains. along Hwy 243 at Lake Fulmor. [UTM 10km cell: NH-2E, 4N. Black Mtn.] 1616 Comment
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May 4 2018
  RSA489836  Phoradendron pauciflorum D. Charlton 1988-5-28 2134 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2287 Comment
  CLARK-A1656-852  Phragmites australis Jon Mark Stewart 1983-11-7 83-58 Riverside Indio Hills 121 Comment
  RSA24221  Phragmites australis C. B. Wolf 1941-1-2 9813 Riverside East side of Salton Sea, half way between Date Palm Beach and Salton Sea -70 Comment
  RSA468063  Phragmites australis George R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms Comment
  CHSC1928  Physalis crassifolia V. Holt 1935-4-16 Riverside Colorado Desert. Comment
  RSA339340  Physalis crassifolia Robert F. Thorne, W. A. Tilforth 1980-5-28 54195 Riverside W-facing slope of Whitewater ridge above old bridge. San Bernardino Mtns. Comment
  RSA372140  Physalis crassifolia David B. Dunn, H. Brown, E. McClintock 1947-3-16 2884 Riverside Pushawalla Canyon Biota. Indio Hills. Comment
  UCR280996  Physalis crassifolia Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 54 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  RSA725800  Physalis greenei Mitch Provance 2004-4-18 7601 Riverside Granitic Knools of Riverside: Riverside, Versity Hill (Coyote Hill), S side of the UCR campus. 418 Comment
  RSA0035037  Physalis hederifolia Lee Haines 1952-4-6 s.n. Riverside Box Canyon. [county not specified] Comment
  RSA638199  Physalis philadelphica Scott D. White 1998-10-13 7179 Riverside Corona, near Bedford canyon: Dissected alluvial slope, foothills at eastern slope of Santa Ana Mts. 'Joseph Canyon' wash near a disused quarry. 335 Comment
  CAS-BOT-BC60791  Physaria tenella C. L. Hitchcock 1966-3-20 24309 Riverside About 30 miles north of Ogilby, along road to Blythe. Comment
  MACF019838  Pinus X attenuradiata Robert Myers 1974-5-6 32 Riverside Clevland National Forest, in the Penny Pine Forest by El Cariso campground off Hwy 74. Collected in experimental hybrid area Comment
  LA6071  Pinus coulteri Carl Epling; 1931-10-3 sn Riverside San Jacinto Mountains, Tahquitz Peak 1981 Comment
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Mar 29 2014
  UC64557  Pinus lambertiana H. M. Hall 1901-6-1 2319 Riverside near Tauquitz; San Jacinto Mountains 2682 Comment
  UCR19619  Pinus lambertiana B. Freeman 1969-3-23 690323- 2 Riverside San Jacinto Mtns., James Reserve. north of Indian Creek, 20-30 m from bridge. 1646 Comment
  JEPS46788  Pinus quadrifolia W. L. Jepson and Hall 1901-1 Riverside Base of El Toro Comment
  SD229031  Pinus quadrifolia Dick Schwenkmeyer 2012-3-26 657 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  RSA282946  Piptatherum miliaceum C. W. Tilforth 1980-3-30 1933 Riverside East fence line of Swan Lake Mobile Home Park, north of Norco, Mira Loma Comment
  POM10457  Plagiobothrys arizonicus Charlotte M. Wilder 1907-4-6 s.n. Riverside Cabazon, San Gorgonio Pass. Comment
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Sep 4 2011
  UCR147039  Plagiobothrys arizonicus L. C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mtns, Falls Creek, north side of Mount San Jacinto 549 Comment
  RSA674847  Plagiobothrys canescens Scott D. White 2000-5-3 7760 Riverside Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly S of Red Hawk subdivision. 351 Comment
  RSA715329  Plagiobothrys canescens John Green 2006-4-18 s.n. Riverside NE of Murrieta, just S of Los Alamos Rd. (Clinton Keith Rd.), on E and W sides of Liberty Rd. border between City of Murietta and unincorporated French Valley. 415 Comment
  UCR171979  Plagiobothrys canescens John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula; Long Canyon, Southern California Edison right of way, intersection of Southern Cross Road and Agena Street W to Candida Drive 366 Comment
  UCR266807  Plagiobothrys canescens Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 10 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  RSA674550  Plagiobothrys collinus var. californicus Scott D. White 2000-5-1 7751 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  UCR281209  Plagiobothrys collinus var. fulvescens Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 33 Riverside Peninsular Ranges, Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way 592 Comment
  POM213630  Plagiobothrys leptocladus P. A. Munz 1941-5-18 16650 Riverside About 15 miles northeast of Temecula. Comment
  SBBG104067  Plagiobothrys leptocladus A. C. Sanders 1993-4-1 13671 Riverside western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St and Devonshire Ave, 3/4 mi NE of the intersection of Florida Ave (Hwy 74) and Warren Rd just S of Tres Cerritos 460 Comment
  UCR76172  Plagiobothrys leptocladus A. C. Sanders 1993-4-1 13671 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  UC494752  Plagiobothrys nothofulvus Philip A. Munz 1932-3-24 12013 Riverside Corona 365 Comment
  RSA674941  Plagiobothrys tenellus Scott D. White, Bill La Haye 2000-5-27 7944 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCR97668  Plagiobothrys tenellus A. C. Sanders, G. Helmkamp 1997-3-15 19961 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  UCR97670  Plagiobothrys tenellus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19904 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  RSA0028762  Plagiobothrys tenellus J. C. Roos 1952-4-29 5594 Riverside Reche Canyon 457 Comment
  CAS-BOT-BC226238  Plantago erecta A. C. Sanders 2011-4-7 39035 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
  UCR232039  Plantago lanceolata John F. Green 2008-4-22 04- 01 Riverside Peninsular Range, hills south of Perris, powerline route just east of the San Jacinto River, west of Goetz Rd. 438 Comment
  UCSB9610  Plantago major Philbrick, Ralph 1954-10-24 Riverside pasture 4 miles south of Chino Institute 213 Comment
  SEINET7048019  Plantago ovata Steven R. Hill, Kate Kramer 2001-4-27 33487 Riverside North side of Route I-10, west side of Coachella Canal, about 0.1-0.2 mile north of interstate highway, 3 miles east of Indio. Elevation about 31 feet. Comment
  UC2030075  Plantago ovata V. Soza, J. M. Porter, G. D. Wallace 2001-4-2 1097 Riverside Transverse Ranges, Little San Bernardino Mountains region: Mouth of West Wide Canyon, NNW of junction of Dillon Road and Ford Avenue. Comment
  UCR10198  Plantago ovata N. R. Zabriskie 1969-4-27 209 Riverside Sonoran (Colorado) Desert, Andreas Canyon near Palm Springs 457 Comment
  UCR108724  Plantago ovata Scott D. White, Pam DeVries 1998-2-9 6085 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  SEINET8216608  Plantago ovata C. L. Hitchcock 1940-4-4 5952 Riverside Pinto Basin. Comment
  POM184046  Plantago ovata var. fastigiata P. A. Munz 1932-3-14 12001 Riverside Deep Canyon, Coachella Valley 91 Comment
  POM46962  Plantago ovata var. fastigiata Mary F. Spencer 1920-3-22 1487 Riverside Palm Springs. 122 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
  UCR88866  Plantago patagonica A. C. Sanders, K. C. Rose 1995-4-5 16358 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA722418  Platanthera sparsiflora J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto Mt. 2744 Comment
  POM48484  Platanus racemosa P. A. Munz, I. M. Johnston 1924-7-29 8889 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  CLARK-A1528-690  Platystemon californicus Annette Price 1962-5-1 O 57 Riverside Santa Ana Mountains Comment
  UC167977  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  UC219193  Platystemon californicus P. A. Munz 1922-4-29 5078 Riverside 1/2 mi s Lake Elsinore (Southern California); s of Lake Elsinore 411 Comment
  UCD96039  Platystemon californicus C. L. Hitchcock 1962-3-16 22163 Riverside 5 miles SE of Elsinore. Comment
  POM68795  Plectritis ciliosa subsp. insignis Marcus E. Jones 1882-4-24 3167 Riverside San Jacinto. Comment
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Dec 9 2010
  CAS-BOT-BC326648  Pleurocoronis pluriseta Edmund C. Jaeger 1922-3-18 s.n. Riverside Painted Canyon Comment
  JEPS18556  Pleurocoronis pluriseta W. L. Jepson 1914-5-18 6022 Riverside County Well Colorado Desert Comment
  RSA695628  Pleurocoronis pluriseta J. R. Bruff 1933-1-1 s.n. Riverside Travertine Point, south of Indio. Comment
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Oct 30 2011
  CAS-BOT-BC326539  Pluchea sericea C. F. Baker 1903-4-4 4148 Riverside Elsinore Comment
  RSA0117145  Pluchea sericea Mitchell Provance 2012-9-5 912 -12 Riverside Beaumont Plateau: City of Beaumont, lower reaches of Potrero Creek, adjacent to Four Seasons Development, west side of Highland Springs Ave., 1.1 miles south of the I-10 freeway. 762 Comment
  UCR89811  Pluchea sericea Scott D. White 1993-5-27 1411 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  POM249988  Poa fendleriana E. C. Jaeger 1939-5-28 s.n. Riverside Pinon Alta Flats. 1828 Comment
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Aug 30 2011
  CAS-BOT-BC242999  Poa secunda subsp. secunda Steve Boyd; et al. 1990-4-2 4023 Riverside Vail Lake Area, lower slopes of Agua Tibia Mountain, along Highway 79, E of USFWS Dripping Springs Guard Station 609 Comment
  SEINET949798 Image available Poaceae Michael L. Fugate 2007-1 Riverside San Bernardino Valley: Riverside at 1469 Claymore Court, just east of Sycamore Canyon (Riverside East 7.5' Q). 488 Comment
  RSA585646  Polycarpon depressum D. L. Banks, Steve Boyd 1995-3-15 0082 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 732 Comment
  UCR111579  Polygonum aviculare Mitch Provance 1999-1-23 1743 Riverside Jurupa Mountains, Along roadside at corner of Crestmore Rd. and Rubidoux Blvd. 262 Comment
  JOTR32468  Polygonum aviculare subsp. depressum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2613 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
  UCD91193  Polypogon maritimus K. Esau 1935-6-15 s.n. Riverside Hemet Valley. Comment
  RSA651728  Polypogon monspeliensis Viki Cruz 1983-5-8 15 Riverside Collected on the banks of the stream one-half mile into Magnesia Canyon, Santa Rosa Mts. Comment
  SEINET10719134  Polystichum Greg Gust, Leith Nye 2005-3-12 Gust 560 Riverside Cleveland National Forest. Hwy 74 west of lower San Juan Picnic Area at pullout W side of Santa Ana Mountain Range. 495 Comment
  SDSU13009  Populus balsamifera subsp. trichocarpa Michael G. Simpson 1999-10-27 2044 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  CAS-BOT-BC102582  Populus fremontii Carl B. Wolf 1932-5-25 3679 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1 mi. below Fish Hatchery 396 Comment
  POM296372  Populus fremontii Lyman D. Benson 1945-4-6 11663 Riverside Whitewater Canyon, 3 miles above Whitewater; San Bernardino Mts.; Drainage area: Colorado Desert. 427 Comment
  RSA104886  Populus fremontii H. de Forest 1925-4-17 s.n. Riverside Indio. Comment
  UCR121093  Populus fremontii A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24980 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  CAS-BOT-BC6241  Populus fremontii subsp. fremontii Samuel Bonsal Parish 1913-2-28 8471 Riverside Salton Basin, Mecca flats -60 Comment
  RSA775493  Populus fremontii subsp. fremontii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4416 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  UCR125293  Populus nigra A. C. Sanders 2002-11-21 25634 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  UCSB37413  Porophyllum gracile Gordon, Patricia 1980-5-18 Riverside Chuckwalla Mtns., Corn Springs Wash 457 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-BC452155  Potamogeton diversifolius H. M. Hall 1901-7-1 2490 Riverside San Jacinto Mt. In Surprise Lake Comment
  RSA286802  Potamogeton pusillus Robert F. Thorne 1974-5-23 44670 Riverside Santa Ana Mountains, Santa Rosa Plateau, Rancho California: N edge of large vernal marsh, Mesa de Colorado 624 Comment
  UCR63905  Proboscidea althaeifolia G. R. Ballmer 1990-8-21 s.n. Riverside Sonoran (Colorado) Desert, Palo Verde Valley, 5 mi. west of Hwy 78, on Bradshaw Trail Comment
  UC629761  Prosopis pubescens Annetta Carter 1938-7-16 1430 Riverside 3 mi e Blythe; Palo Verde Valley 76 Comment
  UCR260293  Prunus fasciculata A. C. Sanders, Jim Malusa 2015-3-9 41366 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  CAS-BOT-BC158291  Prunus fasciculata var. fasciculata C. L. Hitchcock 1940-4-2 5916 Riverside Cottonwood Spring wash, Joshua Tree Nat. Monument Comment
  JOTR34326  Prunus fasciculata var. fasciculata Andre, Jim 2012-4-11 20830 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  CHSC34552  Prunus fremontii John A. Hall 1971-2-15 3 Riverside Ca. 36 mi. SE of Hemet, ca. 6 mi. SE of Anza on Coyote Cyn. trail in Santa Rosa Mtns. 1127 Comment
  RSA0021857  Prunus fremontii H. de Forest 1924-4-13 s.n. Riverside Mojave Desert, Tahquitz Canyon. Comment
  RSA787088  Prunus ilicifolia Doris Bowers 1972-4-15 1817 Riverside Near SBCM dig on Pulgas Creek Rd., Rancho Calif. 396 Comment
  UC114552  Prunus ilicifolia J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  CAS-BOT-BC356330  Psathyrotes ramosissima Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  CAS-BOT-BC356342  Psathyrotes ramosissima Lewis S. Rose 1935-12-23 35686 Riverside Colorado Desert. 7 mi. S. of Cathedral City 152 Comment
  SEINET2053761 Image available Pseudognaphalium biolettii Ed LaRue 1989-3-30 Riverside Rancho California area, ca. 4 mi. W of Temecula, with Ave. del Oro as the N boundary. 381 Comment
  SD137884  Pseudognaphalium leucocephalum Darin L. Banks, Steve Boyd 1995-10-17 791 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest; along lowere Arroyo Seco, south of Dripping Springs Campground. 515 Comment
  UCR268065  Psilocarphus brevissimus D. E. Bramlet 2005-4-22 3826 Riverside Perris-Aguanga Basin Region, 1.8 km SE of Winchester, south of Patton Ave. and Patterson Ave. intersection, east of Hwy 79 449 Comment
  RSA593908  Psilocarphus brevissimus var. brevissimus Steve Boyd, David E. Bramlet 1996-4-19 8600 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
  SD68944  Psilocarphus brevissimus var. brevissimus Robert F. Thorne, E. Lathrop and O. Clark, and S. Carlquist 1968-4-18 37436 Riverside Mesa de Colorado, Rancho Californioa, Santa Rosa Plateau. 669 Comment
  CAS-BOT-BC353584  Psorothamnus arborescens var. simplicifolius H. M. Hall 1905-5-1 6024 Riverside Cottonwood Mountains, Colorado Desert 609 Comment
  CAS-BOT-BC353591  Psorothamnus arborescens var. simplicifolius Peter H. Raven 1962-4-7 17115 Riverside Whitewater Wash, 1.5 miles north of U.S. Highway 70 - 99 Comment
  RSA735067  Psorothamnus arborescens var. simplicifolius Scott D. White, Angelia Carey 2004-6-4 10479 -A Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  SEINET3407778 Image available Psorothamnus arborescens var. simplicifolius A. Stanley 1969-5-3 48 Riverside 2 miles from Morango Valley Rd. on Dillion Rd. Little San Bernardino Mountains 457 Comment
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Jun 12 2019
  CAS-BOT-BC353617  Psorothamnus emoryi S. B. Parish 1896-4-1 4112 Riverside Palm Springs, Colorado Desert Comment
  POM6512  Psorothamnus emoryi Philip A. Munz 1919-3-27 2355 Riverside Salton Sea Comment
  RSA498337  Psorothamnus emoryi Martha Hilend 1928-3-24 s.n. Riverside Wash N of Palm Wash, SW of Fish Springs Comment
  UCR163291  Psorothamnus emoryi B. G. Pitzer, G. R. Ballmer 2000-10-14 4237 Riverside Sonoran (Colorado) Desert, large wash c. 5.3 miles east of Ford Lake Rd. and 1 mile west of Wiley's Well Rd., off gasline road c. 200 yards south of Hwy I-10 115 Comment
  CAS-BOT-BC340899  Psorothamnus schottii Lester Rowntree 1930-5-5 s.n. Riverside Hidden Springs, near Mecca Comment
  CDA27789  Psorothamnus schottii G. D. Barbe 1978-5-2 2366 Riverside 19.2 miles west of Cottonwood Springs Road, 4 miles west of Roadside Rest Area, eastbound lanes I-10 east of Indio. 0 Comment
  POM21637  Psorothamnus schottii F. W. Peirson 1921-4-13 566 Riverside Deep Canyon Wash, Coachella Valley Comment
  RSA788556  Psorothamnus schottii Duncan S. Bell 2012-3-8 3148 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  SBBG22977  Psorothamnus schottii D. Myrick 1965-3-3 1081 Riverside White Tank Public Camp, Joshua Tree Nat Monument 762 Comment
  SD129356  Psorothamnus schottii A. C. Sanders 1989-9-19 9506 Riverside Chocolate Mts. Aerial Gunnery Range; 1.75 km (airline) south of Tabaseca Tank, along the wash above Tabaseca Target 680 Comment
  CAS-BOT-BC340951  Psorothamnus spinosus Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  CAS-BOT-BC340957  Psorothamnus spinosus W. R. Dudley 1903-12-1 s.n. Riverside Near Palm Springs Comment
  SD81445  Pteridium aquilinum var. pubescens Louis C. Wheeler 1931-10-4 Riverside San Jacinto Mountains, Strawberry Valley 1584 Comment
  RSA180247  Pterostegia drymarioides E. W. Lathrop 1965-5-23 5765 Riverside Riverside, 8 miles W of Murrieta 610 Comment
  RSA180397  Pterostegia drymarioides E. W. Lathrop 1965-5-7 5709 Riverside 5 miles SW of Murrieta on the De Luz Road. Comment
  RSA678446  Pterostegia drymarioides Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10456 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  SD136779  Pterostegia drymarioides Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7326 Riverside San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon 366 Comment
  UC6926  Pterostegia drymarioides Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  VVC419  Pterostegia drymarioides A. C. Sanders, J. Mac 1997-5-4 20630 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  UCR112801  Punica granatum A. C. Sanders 1997-5-1 20615 Riverside Lake Skinner area, old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 457 Comment
  UC1329921  Purshia tridentata var. glandulosa James E. Cole 1941-5-17 722 Riverside Covington Flat; Joshua Tree National Monument 1584 Comment
  RSA561412  Pycnanthemum californicum Steve Boyd, T. S. Ross, D. E. Bramlet 1992-9-9 7681 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
  CAS-BOT-BC516759  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands: W of Beaumont, just E of jct of 60 Fwy and Jackrabbit Trail, off frontage road deadend 716 Comment
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Jan 17 2018
  UCD47712  Quercus X acutidens John M. Tucker 1941-5-30 262 Riverside Ortega summit, Highway 74, Riverside County, California. 812 Comment
  UCD47725  Quercus X acutidens K. R. Montgomery 1969-8-6 69 16 Riverside Wilson Valley Road, 18 miles south of Hemet, Riverside County, California. 1219 Comment
  CAS-BOT-BC61818  Quercus agrifolia Peter Raven 1958-5-18 12982 Riverside 3.0 miles east of junction to Aguanga, San Jacinto Mountains Comment
  CAS-BOT-BC61820  Quercus agrifolia P. A. Munz; E. K. Balls 1952-8-21 17994 Riverside 1 mi. W of Poppet Flat, Banning-Idyllwild Road 1219 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
  UCD45075  Quercus agrifolia var. oxyadenia Maunsell Van Rensselaer 1937-6-24 s.n. Riverside San Jacinto Mountains, Riverside County, California. Comment
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Mar 29 2014
  UCR140300  Quercus berberidifolia A. C. Sanders 2004-4-9 27456 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
  UCR53306  Quercus berberidifolia Steve Boyd 1987-11-23 2098 Riverside Perris-Aguanga basin region, Mt. Russell, north of Lake Perris, Moreno Valley. 762 Comment
  CAS-BOT-BC62438  Quercus chrysolepis Winifern W. Swarth 1914-9-27 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  SD229174  Quercus cornelius-mulleri Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 633 Riverside Mt. San Jacinto 1085 Comment
  UCSB60488  Quercus cornelius-mulleri Steele, Kelly; Wilson, Chris 1982-2-19 Riverside Corner of El Encino and Avenue La Cumbre; 0.3 miles north from the junction of Carrizo Road and Hwy. 74. San Jacinto Mts. 1036 Comment
  CDA31210  Quercus engelmannii Mike Lahti 2010-2-8 PDR# 1501957 Riverside West of the city of Temecula, near the San Diego and Riverside County line. 0 Comment
  SBBG89607  Quercus engelmannii A. C. Sanders, E. J. Lawlor 1988-10-22 8718 Riverside Pinyon Flat area; along Horsethief Crk where the trail from the Dolomite Mine crosses 1100 Comment
  SBBG92531  Quercus engelmannii B. Pitzer 1988-6-8 1045 Riverside Rancho Californica area, avocado grove S of Avenida del Oro, just past Calle Capistrano Comment
  UCR106904  Quercus engelmannii D. L. Banks, Lauren Raz 1996-11-5 1160 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, south of San Gabriel Church; along a newly established firebreak along a NW-SE running ridgeline, near the water tank in section 34 421 Comment
  UCR149944  Quercus engelmannii Scott D. White 2004-10-8 10776 Riverside Peninsular Ranges, 'Black Hills,' southeast of Lake Skinner and north of Oak Mountain 640 Comment
  UCR252814  Quercus engelmannii John Dvorak 2010-11-2 007 Riverside Perris Aguanga Basin, Two miles north of the intersection of Sage Road and Highway 79, west of alluvial fan 692 Comment
  RSA0022626  Quercus engelmannii Robert F. Thorne, Earl W. Lathrop, M. Z. Thorne 1985-4-26 s.n. Riverside Santa Rosa Plateau: NE edge of Mesa de Colorado Comment
  SEINET10622123  Quercus john-tuckeri Greg Gust, Leith Nye 2005-3-11 Gust 547 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  UCR265851  Quercus palmeri Mitch Provance, Jeffrey S. Ross-Ibarra 1998-8-14 1013 Riverside Jurupa Mountains, Rattlesnake Mtn., Crestmore Heights, knoll (1542), c. 4.2 km NW of downtown Riverside 396 Comment
  CAS-BOT-BC104992  Quercus wislizeni Louis C. Wheeler 1931-10-4 244 Riverside 2 mi N Idyllwild, San Jacinto Mts. 1798 Comment
  UCR262386  Quercus wislizeni Tom Scott 2011-1 2011- 573 Riverside San Bernardino Mtns., south side of mountains in Banning Canyon on USFS road 2S01, c. 6.1 miles up canyon 1470 Comment
  UCR178144  Rafinesquia californica Mitch Provance, Tracy Tennant 1998-6-16 MOR- 391 Riverside San Bernardino Mtns., Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon 1220 Comment
  RSA781614  Rafinesquia neomexicana Duncan S. Bell 2009-3-8 81 Riverside Arica Mountains: northwest side of mountain range approximately 3.2 air miles northwest of Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 479 Comment
  RSA799239  Rafinesquia neomexicana Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 746 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road 305 Comment
  UC219255  Ranunculus californicus P. A. Munz and I. M. Johnston 1922-5-20 5462 Riverside 1 1/2 mi below Kenworthy; San Jacinto Mts. 1417 Comment
  UC827712  Ranunculus cymbalaria var. saximontanus Crawford and Johnston 1917-6-9 1219 Riverside near Corona; Santa Ana River Comment
  UCR119422  Ratibida Mitch Provance 1998-6-20 708 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UCR172218  Rhamnus crocea John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  RSA243760  Rhamnus ilicifolia Percy C. Everett 1935-6-18 7207 Riverside Coldwater cam. trail, about 1.5 mi. below (N.) Main Divide Motorway. 1280 Comment
  RSA391105  Rhamnus ilicifolia Gale Sphon 1955-5-7 s.n. Riverside Elsinore Mnt. , Horsethief Canyon, Santa Ana Mtns. Comment
  SD152765  Rhamnus ilicifolia Steve Boyd 1992-3-31 6750 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. Morgan Trail from Round Potrero W to jtn with Tenaja Tr. In N-fork Bear Creek. 671 Comment
  CAS-BOT-BC200035  Rhododendron occidentale var. californicum Robert F. Thorne; J. P. Simon; C. W. Tilforth 1969-6-24 38120 Riverside San Bernardino National Forest, San Jacinto Mts.: Above & in James Reserve 1676 Comment
  CAS-BOT-BC167974  Rhus ovata Ivan Johnston 1917-4-4 1114 Riverside Palm Canyon 762 Comment
  RSA13815  Rhus ovata Victor Duran 1933-7-3 3498 Riverside 2 miles east of Pinyon Flat, Santa Rosa Mountains. 1067 Comment
  RSA628885  Rhus ovata A. C. Sanders 1994-5-29 14549 Riverside San Bernardino Mountains: Morongo Indian Reservation, among hills on the low pass between Millard Cyn. and Potrero Cr. 750 Comment
  RSA650234  Rhus ovata Richard Phillips 1949-1-14 s.n. Riverside collected on Hwy between Corona and Elsinore. 152 Comment
  UCR120945  Rhus ovata A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24918 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCSB3756  Rhus ovata Haller, John 1950-5-21 Riverside San Jacinto Mountains; Pinon Flat 1219 Comment
  SEINET959435  Ribes cereum A. C. Sanders 2006-1 32826 Riverside Schell Creek Range: Canyon c. 0.7 mi. above Rosebud Spring, c. 0.5 mile SW of VABM Connor ( 2633m), 2.5 miles SSW of Hwy 50/93. 2400 Comment
  CAS-BOT-BC173136  Ribes indecorum A. J. McC. 1892-5-20 70 Riverside [Canon] Canyon of St. Rosa Mts., near Elsinore Comment
  RSA522733  Ribes indecorum Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3839 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
  UCR51357  Ribes malvaceum L. F. LaPre 1988-1-8 s.n. Riverside Mesa de Burro, Santa Rosa Plateau. west of Murrieta. 610 Comment
  POM13348  Ribes malvaceum var. viridifolium E. C. Jaeger 1921-6-13 s.n. Riverside Mac Mullin Trail Comment
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Apr 4 2011
  UCSB2632  Ribes malvaceum var. viridifolium Keator, Glenn Riverside on Mt San Jacinto; on highway from Palm Desert to Riverside 914 Comment
  POM307246  Ribes nevadense Henry J. Ramsey, Mrs. Ramsey 1937-5-22 2243 Riverside Santa Rosa Mountains Comment
  RSA761166  Ribes nevadense Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 700 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SEINET238553 Image available Ribes nevadense George K. Helmkamp 1998-6-27 4126 Riverside Santa Rosa Mtns.: 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of Santa Rosa Spring. 2232 Comment
  CAS-BOT-BC212234  Ribes quercetorum Elmer I. Applegate 1927-2-1 4972 Riverside Near Oak Grove, road to Warner Ranch. Comment
  UCR22116  Ribes quercetorum Steve Boyd 1980-5-11 245 Riverside Peninsular Range; Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau. Sandy valley NW end of park on E side of Gavilan Road near the old mines 610 Comment
  RSA50328  Ribes roezlii E. K. Balls 1949-5-4 1348 Riverside 0.5 mile south of Vista Grande Ranger Station, San Jacinto Mts. 1494 Comment
  CAS-BOT-BC186239  Ribes roezlii var. roezlii Carl B. Wolf 1932-8-5 3969 Riverside San Jacinto Mts. On trail from Tahquitz Valley to San Jacinto Peak 2804 Comment
  UCD169364  Romneya coulteri A. C. Sanders; John F. Green 2012-4-6 40013 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along Temescal Cyn. Rd., between Campbell Ranch Rd. and Glen Ivy Electrical Substation, west of I-15 Fwy, c. 10 miles south of Corona. 327 Comment
  POM319082  Romneya coulteri Patricia Wilder 1970-10-15 4818 Riverside Prado Dam; by entry gate on west end of top of dam; Chino Hills; Santa Ana River. 183 Comment
  POM12902  Rosa californica Philip A. Munz 1922-6-30 5901 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  UCR151043  Rosa californica Scott D. White 1998-7-31 6940 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  SEINET884347 Image available Rubiaceae G. L. Stebbins, L. T. Dempster 1966-1 4244 Riverside Black Mt. road, 0.9 mi above jct of road to Pine Wood, San Jacinto Mountains 1981 Comment
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Aug 25 2013
  RSA717476  Ruellia A. C. Sanders 1997-10-13 21587 Riverside Riverside, UCR Botanical Garden 366 Comment
  RSA0085062  Rumex crispus Mary Duke, Christy Hightower, Cecilia McElroy 1982-5-15 11 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  RSA659484  Rumex hymenosepalus J. C. Roos 1966-4-29 s.n. Riverside In the hills between March AFB and Lakeview. 457 Comment
  UCR260198  Rumex hymenosepalus Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4658 Riverside Western Mojave Desert, around the confluence of the San Gorgonio and Whitewater River drainages, just south of the historic Palm Springs Station, about 1.5 air miles northwest of Windy Point 340 Comment
  RSA717629  Rumex salicifolius Scott D. White 2006-4-27 11288 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  RSA297046  Rumex salicifolius var. denticulatus John F. Emmel 1974-9-7 531 Riverside Flats along Strawberry Creek, WSW of Idyllwild, San Jacinto Mountains. 1555 Comment
  UCR113986  Rumex salicifolius var. salicifolius Mitch Provance, A. C. Sanders 2000-7-4 2109 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  SEINET269161  Rumex violascens Chet McGaugh 1996-4-26 Riverside Hemet 0.25 miles west of State Street between Esplande and Cottonwood. Comment
  JEPS65654  Rupertia rigida Marjorie D. Clary 1932-7-4 993 Riverside road to Burnt Valley (Santa Rosa Mountains); Santa Rosa Mountains 1371 Comment
  JEPS65655  Rupertia rigida Carl V. Meyer 1927-6-18 780 Riverside summit of grade between Coahuila and Kenworthy; Hamilton Grade Comment
  RSA711992  Sagittaria latifolia S. J. Myers 1996-5-17 s.n. Riverside River Road bridge over the Santa Ana River 152 Comment
  JEPS62509  Salazaria mexicana W. L. Jepson 12621 Riverside near Eagle Mts. Cottonwood Spr; Colorado Desert, , Cottonwood Spr 731 Comment
  POM184543  Salazaria mexicana C. L. Hitchcock 1932-4-7 12204 Riverside Chuckwalla Mountains: Corn Springs. Comment
  SEINET10626255  Salix Nye Leith, Greg Gust 2005-3-11 Nye 66 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  UCR147804  Salix exigua Steve Boyd, Aydee Virgen 2004-4-13 10860 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR26182  Salix exigua John C. Roos 1947-2-15 3244 Riverside Sonoran (Colorado) Desert, Lost Palms Canyon, south face of Eagle Mtns., west of Hayfield Dry Lake 997 Comment
  LA208667  Salix gooddingii Carl W. Sharsmith; 1932-3-20 14 Riverside Santa Rosa Mountain, Diablo Canyon, foot of E slope of mountains; 3 m above canyon mouth, near Clary's Coral Reef Ranch Comment
  UCR139631  Salix gooddingii A. C. Sanders 2004-6-30 28400 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR225737  Salix gooddingii A. C. Sanders, T. B. Salvato 2011-3-30 38891 Riverside Peninsular Range; Elsinore Trough, city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 Comment
  UCR232804  Salix gooddingii John F. Green 2008-4-16 0408- 41 Riverside Peninsular Range; Perris-Aguanga Valley, SW of Romoland, powerline route north of McLaughlin Rd. between Dawson Rd. and I-215 Fwy 436 Comment
  UCR275356  Salix gooddingii T. B. Salvato, Melissa Clemons 2005-6-9 1499 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  RSA0036078  Salix gooddingii Marcus E. Jones 1930-4-2 26030 Riverside Blythe Comment
  SD44532  Salix laevigata W. A. Setchell, Victor Duran 1935-4-17 8 b Riverside Fourteen miles from Hemet on road to Aguanga Comment
  UCR232059  Salix laevigata John F. Green 2008-4-23 07- 08 Riverside Peninsular Range, hills south of Perris, powerline route above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 439 Comment
  CAS-BOT-BC106969  Salix lasiolepis Steve Boyd; Aydee Virgen 2004-4-13 10847 Riverside Peninsular Ranges; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  POM319101  Salix lasiolepis Patricia Wilder 1971-3-20 4910 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  RSA502903  Salix lasiolepis Bill Wagner 1989-1-30 s.n. Riverside 2 mi. due south of Lake Skinner, on the south side of Borel Road approximately 1/2 mi. W of Warren Road. 457 Comment
  UCR194208  Salix lasiolepis Scott D. White, Angelia Carey 2004-6-4 10471 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR87878  Salix lasiolepis G. F. Pratt 1994-3-13 94- 5 Riverside Mojave Desert, Joshua Tree National Monument, N canyon off of Quail Mountain 1280 Comment
  CAS-BOT-BC126366  Salix sessilifolia H. M. Hall 1901-6-1 2105 Riverside Eastern base, along the borders of the Colorado Desert Comment
  UC23640  Saltugilia australis A. J. McClatchie April 1892 38 Riverside near Elsinore; near Elsinore Comment
  UCR274304  Saltugilia australis T. B. Salvato, Melissa Clemons 2005-6-6 1424 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  JOTR33924  Saltugilia latimeri La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2815 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  JOTR16794  Saltugilia splendens subsp. splendens Moore, Sue 1968-5-6 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  RSA0094999  Saltugilia splendens subsp. splendens R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38082 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  RSA761155  Saltugilia splendens subsp. splendens Shawn Krosnick, C. Martinez, Naomi Fraga, Lucinda McDade, et al. 2010-8-14 686 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC218132  Salvia apiana P. A. Munz 1922-7-3 5957 Riverside s slope Santa Rosa Mts. 1615 Comment
  UC144540  Salvia columbariae C. F. Baker 1904-4-5 4143 Riverside Hemet Comment
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Jul 4 2010
  UCR120937  Salvia columbariae A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24956 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  RSA0073234  Salvia columbariae Bonnie C. Templeton, I. W. Clokey 1930-4-9 1004 Riverside San Gorgonio Pass, north end of Colorado Desert. 609 Comment
  CAS-BOT-BC221083  Salvia eremostachya Lester Rowntree 1937-5-28 s.n. Riverside Pines to Palms [Palms to Pines] Highway, San Jacinto Mts. Comment
  CHSC21757  Salvia greatae Robert A. Schlising 1973-3-31 3073 Riverside Salt Creek Wash, between Orocopia and Chocolate Mountains (ca 5 mi NE of 'crossing 24' of Coachella Canal). Comment
  CLARK-A1528-3116  Salvia greatae John C. Roos 1963-11-2 Riverside Orocopia Mountains Comment
  RSA525270  Salvia mellifera Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4584 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  SDSU12263  Salvia mellifera Jeremy Mass, Ryan Jacobsen 2000-4-19 9 Riverside Comment
  UCLA69967  Salvia mellifera unknown 1905-5-15 828 Riverside Wilder's Canyon 320 Comment
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Feb 3 2013
  UCR262270  Salvia mellifera A. C. Sanders 2006-5-13 32275 Riverside Peninsular Range, 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
  UCR277735  Salvia mellifera Mitch Provance 2012-1-26 112- 05 Riverside Badlands of Western Riverside County, San Timoteo Canyon, El Casco area, 0.3 miles S of Fisherman's Retreat 695 Comment
  UCR91611  Salvia mellifera D. L. Banks, Steve Boyd 1995-3-30 0129 Riverside Agua Tibia Mountains Watershed, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., west of the Dripping Springs Alcove, on the Woodchuck Trail 634 Comment
  CAS-BOT-BC233348  Salvia vaseyi Philip A. Munz; I. Johnston 1922-5-7 5285 Riverside Mouth of Dry Morongo Wash 365 Comment
  RSA751395  Salvinia minima Rick E. Riefner Jr. 2009-2-25 9 -17 Riverside City of Lake Elsinore, S side of Alberhill Creek, W of Hwy. 74, vicinity of Bromley Ave. at Bennett St. 380 Comment
  UC1922062  Sambucus nigra subsp. caerulea Scott D. White, Angelia Carey 2004-4-5 10009 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  UCR135820  Sanicula bipinnata A. C. Sanders, Guy Bruyea 2004-4-2 27433 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  RSA221031  Sanicula crassicaulis E. W. Lathrop 1966-3-30 6123 Riverside Mail Divide Truck, Trail between El Carriso and Santiago Peak, Cleveland Nat l Forest 1220 Comment
  UCR137715  Sanicula crassicaulis D. L. Banks 1997-3-29 1556 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  POM12760  Sarcodes sanguinea P. A. Munz 1922-7-6 6024 Riverside Hidden Lake. San Jacinto Mts. 2439 Comment
  UCR211496  Sarcostemma hirtellum Jim Andre, T. La Doux 2008-9-13 10263 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177 (NW side), southeast end of Coxcomb Mountains, east boundary of Joshua Tree National Park 161 Comment
  RSA737322  Schedonorus arundinaceus Justin M. Wood 2008-9-22 158 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  CAS-BOT-BC218931  Schinus molle A. C. Sanders 1997-5-1 20617 Riverside Lake Skinner area: old house site at gated road junction into Shipley Reserve area, ca. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 457 Comment
  UCR262269  Schinus molle A. C. Sanders 2006-5-13 32276 Riverside Peninsular Range, 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
  SD240813  Schismus arabicus Dave Silverman 2010-3-24 7832 Riverside South Palen Lake, Chuckwalla Valley, 4.3 lm SE of Sidewinder Well, 2.0 km SW of Palen Dunes Drive, and 4.6 km N of Interstate 10. 130 Comment
  CAS-BOT-BC243462  Schismus barbatus L. R. Abrams 1941-4-23 13925 Riverside White Water wash, Palm Springs railroad station Comment
  JOTR37757  Schismus barbatus Hodges, Stephen R. 2016-2-29 713 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  SD247293  Schismus barbatus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41445 Riverside San Gorgonio Pass: San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms (White Water 7.5'Q) 433 Comment
  SEINET10597130  Schismus barbatus Robert F. Thorne, Mae Z. Thorne 1973-3-30 Thorne 42683 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, on rocky and sandy outwash of Mission Creek. 488 Comment
  POM14336  Schoenoplectus maritimus Phillip A. Munz 1922-4-29 5107 Riverside [Sedco] Station, south of Elsinore. Comment
  CAS-BOT-BC243508  Scribneria bolanderi Steve Boyd 1995-5-13 8510 Riverside West of Onion Hill, southeast of Elsinore Peak area along trail following old Main Divide Road Grade, Santa Ana Mountains 1005 Comment
  RSA291603  Scrophularia californica subsp. floribunda C. W. Tilforth, Walter Wisura 1979-4-11 1764 Riverside East end of Murrieta-DeLuz Rd, ca. 2 air mi. south of Murrieta. 335 Comment
  SD146145  Scrophularia californica subsp. floribunda Mitch Provance 1998-6-10 634 Riverside City of Riverside: east side of Pachappa Hill, as acessed from where panorama road crosses the 91 freeway 305 Comment
  UCR247910  Scutellaria bolanderi subsp. austromontana Fred M. Roberts 2013-6-7 7782 Riverside Peninsular Ranges, SANTA ANA MTNS.: Tributary to Upper San Juan Canyon near Chiquito Basin Trail, 1.7 km NNW Upper San Juan Campground 536 Comment
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Jan 23 2016
  LA55078  Scutellaria mexicana Elizabeth McClintock; 1936-4-11 sn Riverside Palms to Pines Highway Comment
  SBBG25230  Scutellaria mexicana Leota Davidson 1965-5-13 158 Riverside Joshua Tree Nat Monument Comment
  UC1713633  Scutellaria siphocampyloides Mary F. Spencer 1919-6-18 1194 Riverside San Jacinto Mountains Comment
  RSA748358  Scutellaria siphocampyloides Sarah J. De Groot, Naomi S. Fraga 2004-7-8 4388 Riverside San Jacinto Mountains: East of Idyllwild, vicinity of FS road 5S13, between Chimney Flats Road 5S06 and 5S24. 1463 Comment
  RSA697611  Securinega fasciculata var. hallii J. R. Bruff 1928-5-2 168 Riverside Cottonwood Springs. Comment
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Oct 9 2010
  CLARK-A1528-4075  Selaginella bigelovii John C. Roos 1952-4-9 5506 Riverside Riverside 335 Comment
  SBBG32469  Selaginella bigelovii L. S. Rose 1966-12-14 66107 Riverside Chino Cyn, 3 mi W of Palm Springs Desert 670 Comment
  UCR135835  Selaginella bigelovii A. C. Sanders 2004-4-20 27538 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-BC69810  Selaginella bigelovii Lewis S. Rose 1959-1-14 59014 Riverside White Water. 426 Comment
  POM12530  Selaginella eremophila Philip A. Munz 1922-3-12 4713 Riverside Andreas Canyon, Palm Springs. [Santa Rosa Mtns., W margin Colorado Des -SW] Comment
  RSA206253  Selaginella watsonii Reid V. Moran 1968-8-3 15356 Riverside 1 mile NW of Toro Peak. 2250 Comment
  OBI37520  Senecio douglasii var. douglasii Steve Boyd 1985-8-7 1113 Riverside Santa rosa Plateau Region. Clinton Keith Rd, 1.7 mi E of gate to The Nature conservency Preserve Comment
  RSA335026  Senecio flaccidus var. douglasii Steve Boyd 1985-8-7 1113 Riverside Clinton Keith Road, 1.7 mi. E of gate to The Nature Conservancy Preserve. Comment
  RSA472989  Senecio flaccidus var. douglasii I. W. Clokey 1935-8-21 6777 Riverside Keen Camp P.O. 1350 Comment
  SD122990  Senecio flaccidus var. douglasii Steve Boyd 1985-8-7 1113 Riverside Santa Rosa Plateau Region; 1.7 mile east of gate to The Nature Conservency Preserve. Comment
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May 12 2012
  UCR89652  Senecio flaccidus var. douglasii Bern Schwenn 1994-4-24 s.n. Riverside Joshua Tree National Park, Hexie Mountains, Pinkham Well Canyon, below the well site Comment
  RSA740086  Senecio vulgaris Justin M. Wood 2008-11-17 232 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCSB2961  Senegalia greggii Keator, Glenn 1959-5-17 Riverside West side of Colorado Desert on Pines to Palms highway Comment
  SBBG25154  Senna armata Leota Davidson 1965-5-13 138 Riverside Joshua Tree Nat Monument Comment
  SFV7916  Senna armata T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1279 Riverside Along roadside at Chiriaco Summit. 521 Comment
  RSA588598  Sesuvium verrucosum D. L. Banks, S. D. Boyd 1995-12-17 809 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  UC212967  Sesuvium verrucosum I. M. Johnston, P. A. Munz 1918-4-27 2165 Riverside south-eastern end of Lake Elsinore Comment
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Nov 20 2011
  UC465735  Sesuvium verrucosum J. E. Roadhouse Aug. 1905 505 Riverside California Ave. Riverside Comment
  SEINET10608388  Setaria parviflora Steve Boyd 1989-7-9 Boyd 3773 Riverside Weeds in vegetable garden of house at 4863 Rubidoux Ave. Comment
  RSA579291  Sibaropsis hammittii Steve Boyd, Timothy S. Ross 1992-4-1 6781 Riverside Santa Ana Mountains, Elsinore Peak south of Lake Elsinore, in clay soil area southwest of the summit. 1073 Comment
  RSA649334  Sidalcea malviflora Chris M. Johnson 1970-3-16 82 Riverside behind Temecula, paralleling Hwy 71. 265 Comment
  SD148118  Sidalcea malviflora A. C. Sanders, Steven R. Hill 2001-5-4 24143 Riverside Santa Ana Mtns. Region: W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Crk. Dr.), E side of Rancho C. Rd (Temecula 7.5') 487 Comment
  CAS-BOT-BC109455  Sidotheca caryophylloides Peter H. Raven; R. Snow 1957-7-26 11091 Riverside San Jacinto Mountains. Banning-Idyllwild road, 0.9 mile north of Vista Grande Ranger Station. Comment
  CAS-BOT-BC109429  Sidotheca emarginata James L. Reveal; Barbara J. Ertter 1976-6-30 4570 Riverside Santa Rosa Mountains, along the dirt road to Santa Rosa Mountain, 4.6 miles south of California Highway 74. 1828 Comment
  RSA618412  Silene antirrhina D. L. Banks 1997-5-5 1964 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, alo