Search Results — 2000 specimen records retrieved (1888 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SEINET10719539  Abies concolor var. lowiana Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-16 Meyer 18 Riverside San Bernardino National Forest. Mix between oak chaparral and pine forest. Next to Lake Fulmor, 17 mi. S on Hwy 243 (off I-10). 1632 Comment
  CAS-BOT-BC229356  Abronia villosa Roxana S. Ferris 1918-6-14 966 Riverside In desert at Palm Springs Comment
  CAS-BOT-BC229360  Abronia villosa Ira L. Wiggins 1937-3-9 8769 Riverside North of Indio Comment
  CHSC8095  Abronia villosa Edward L. Smith 1958-3-21 469 Riverside Located 2 mi . e of Indio on hwy. U. S. 60. 0 Comment
  CSUSB1083  Abronia villosa Heather Hanson 1966-5-12 s.n. Riverside found in field 50 yards south of roadside. Highway 74 from Hemet to Idyllwild. 609 Comment
  JEPS61243  Abronia villosa W. L. Jepson 1914-5-23 6051 Riverside Conchilla Desert, (Coachella Valley) 60 Comment
  OBI28973  Abronia villosa David J. Keil 1976-11-28 11879 Riverside Just E of Indio along I-10 Comment
  SEINET893716  Abronia villosa Norman C. Cooper 1944-1 994 Riverside Cabazon, Riverside Co. 457 Comment
  UCR166002  Abronia villosa Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  UCR2930  Abronia villosa R. Oshima 1963-4-19 041963- 01 Riverside Colorado Desert, Coachella Valley, opposite the Raquet Club on Indian Ave., Palm Springs 177 Comment
  RSA0030910  Abronia villosa var. aurita Ira W. Clokey, E. G. Anderson 1935-8-21 6604 Riverside Hemet Lake. 1300 Comment
  RSA414903  Acacia greggii var. arizonica Albert J. Perkins 1916-4-16 s.n. Riverside Palm Springs. Andreas Canon. Comment
  SEINET2059725 Image available Acacia greggii var. greggii Penny Stead 1970-4-25 Riverside Box Canyon 304 Comment
  CLARK-A1528-1529  Acamptopappus shockleyi John C. Roos 1937-4-18 2483 Riverside San Jacinto Mountains Comment
Read comments
Oct 2 2018
  UCR41842  Acamptopappus sphaerocephalus A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 06044 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, west side of the Chuckwalla Mtns., 6 mi. south of Hwy I-10 on gasline road; 1/2 mi. NW of Model Mine 520 Comment
  RSA151103  Acamptopappus sphaerocephalus var. sphaerocephalus P. H. Raven 1962-4-7 17112 Riverside Whitewater Wash 1.5 miles north of U.S. Highway 70--99. Comment
  RSA416160  Acamptopappus sphaerocephalus var. sphaerocephalus Ora M. Clark 1929-2-22 1549 Riverside N. of White water, Colorado desert, So. Calif. 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
  UC1366079  Acamptopappus sphaerocephalus var. sphaerocephalus Nancy Ryan Zabriskie and Walter Zabriskie 1969-4-26 192 Riverside near (in Andreas Canyon) Palm Springs; Andreas Canyon 365 Comment
  SD229055  Achillea millefolium Dick Schwenkmeyer 2012-6-27 740 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  RSA544402  Achnatherum coronatum Steve Boyd, Timothy S. Ross 1991-6-14 6370 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  UC1146067  Achnatherum coronatum C. L. Hitchcock and C. V. Muhlick 1964-3-17 23100 Riverside 3 mi se Glen Ivy Hot Springs Comment
  CAS-BOT-BC384720  Achyronychia cooperi John Thomas Howell 1928-1-28 3279 Riverside Thousand Palms, Colorado Desert Comment
  CAS-BOT-BC384732  Achyronychia cooperi L. R. Abrams 1926-3-26 11108 Riverside Between Edom and Garnet east of San Gorgonio Pass Comment
  CDA23994  Achyronychia cooperi G. D. Barbe, T. C. Fuller 1973-2-28 1062 Riverside Road to Wiley s Well at I-10, west of Blythe. 0 Comment
  POM14011  Achyronychia cooperi P. A. Munz, D. D. Keck 1922-4-13 4937 Riverside Desert Center; Chuckwalla Valley Comment
  UCR163923  Achyronychia cooperi A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29131 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UCSB39038  Acmispon argyraeus Jorgensen, Jan 1982-1-19 Riverside 1 kilometer up Carrizo Road from Highway 74 north of Palm Desert, San Jacinto Mountains 1100 Comment
  JOTR35433  Acmispon heermannii var. heermannii Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows, J. Hoines 2013-4-24 39 Riverside Joshua Tree National Park. Little San Bernardino Mtns; foothillls SW of Quail Mtn and W of Juniper Flats. (stop1) 1499 Comment
  SBBG67449  Acmispon nevadensis var. davidsonii Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Mtns [probably near Idyllwild] Comment
  JOTR35283  Acmispon strigosus Andre, Jim 2012-4-11 20775 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  JOTR35323  Acmispon strigosus Harding, Mitzi, Mark Wheeler 2012-2-28 91 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  UCSB3228  Acmispon strigosus Krogen, Roger 1957-1 Riverside Whitewater Canyon, 2 mi. N of Hwy. 60-70 at Whitewater Comment
  UCR91656  Adenostoma sparsifolium D. L. Banks, Steve Boyd 1995-10-17 0799 Riverside NW Palomar Mtns; Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, south of the Dripping Springs Campground. Along alluvial benches where Arroyo Seco turns to the E, just west of the Metasedimentary hills 525 Comment
  UCR18785  Adiantum capillus-veneris John C. Roos 1948-5-15 3850 Riverside Sonoran (Colorado) Desert, Eagle Mountains, upper Lost Palms Canyon 1037 Comment
  POM177872  Adiantum jordanii Marcus E. Jones 1930-3-5 26524 Riverside Glen Ivy Comment
  UCR165188  Agrostis exarata Margaret Bornyasz 2003-8-8 s.n. Riverside Peninsular Ranges, San Jacinto Mtns., near Azalea Creek, above Twin Pines Creek Drainage 1085 Comment
  UC455165  Agrostis idahoensis I. J. Condit 1910-6-23 Riverside near spring (Tahquitz Camp); San Jacinto Mts., Tahquitz Camp 2438 Comment
  CLARK-A1528-7824  Agrostis scabra John C. Roos 1937-8-18 494 Riverside San Jacinto Mountains Comment
  UCR116594  Albizia julibrissin A. C. Sanders, T. B. Salvato 2001-5-24 24370 Riverside Perris-Aguanga Basin, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. [Calle] Pina Colada 345 Comment
  UCR207357  Alchemilla occidentalis O. F. Clarke 1997-3-8 s.n. Riverside Peninsular Range, Box Springs Mtns., east edge of Riverside, along Box Springs Mtn. Rd. 668 Comment
  SEINET3108301  Allionia incarnata Sears 1977-10-12 554 Riverside Corn Springs Rd., 0.5 miles from exit. 219 Comment
  UCR256701  Allionia incarnata Duncan S. Bell 2012-3-18 3228 Riverside Sonoran (Colorado) Desert, Mecca Hills; mouth of Box Canyon, north side of Coachella Canal 14 Comment
  JOTR35381  Allionia incarnata var. incarnata Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 169 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  UCR9390  Allium fimbriatum var. fimbriatum D. H. Wilken 1966-3-26 769 Riverside Sonoran (Colorado) Desert/ San Bernardino Mtns., East ridge along Whitewater Canyon 610 Comment
  RSA367104  Allium haematochiton J. D. Olmsted 1962-5-10 3635 Riverside SE Santa Ana Mountains, SSW of Lake Elsinore, western Riverside County. 991 Comment
  UCR79484  Allium lacunosum Steve Boyd, T. S. Ross 1992-5-15 7386 Riverside Southern Santa Ana Mtns., Southeastern flank of Elsinore Peak at 'Onion Hill,' a grassy knoll of clay soil c. 0.25 mi SE of radio towers, along old Main Divide Road track. 1021 Comment
  UCR2748753  Allium marvinii Youssef C. Atallah 2016-4-27 s.n. Riverside San Bernardino Mtns. Foothills, Banning, Bluff St., c. 1 mile beyond the end of San Gorgonio Ave., c. 2.1 miles north of I-10 Fwy 883 Comment
  UCR35295  Allium peninsulare L. B. Ziegler 1967-5-18 126 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  UCR142694  Allophyllum Scott D. White, Et al. 1995-6-16 3332 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  POM49564  Allophyllum glutinosum P. A. Munz, I. M. Johnston 1924-7-29 8841 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  SEINET10511141  Alopecurus howellii Robert F. Thorne, Earl W. Lathrop 1975-5-25 Thorne 45549 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; muddy and bouldery margin of vernal marsh; with Rumex salicifolius, Hordeum geniculatum, Trifolium variegatum, etc. 610 Comment
  RSA751510  Aloysia wrightii Jim Andre, Tasha La Doux 2008-9-16 10685 Riverside Joshua Tree National Park: along Bell Mtn. Rd., atop Bell Mtn. approx 0.3 mi. N of radio tower. 1359 Comment
  RSA653329  Amaranthus cruentus Mitch Provance, A. C. Sanders 2000-7-4 2088 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  OBI35668  Amaranthus fimbriatus Louis B. Ziegler 1964-9-1 25 Riverside San Jacinto Mts Pinyon flats 1311 Comment
  RSA0080447  Amaranthus fimbriatus Sarah J. De Groot, Amy Rouillard 2015-9-15 7556 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  RSA702047  Amaranthus palmeri Scott D. White, Angelia Carey 2004-9-16 10756 Riverside Roadside, intersection of Soboba Road and Castile Canyon Rd. 509 Comment
  RSA500106  Amaranthus retroflexus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3664 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  POM361077  Ambrosia X platyspina Anstruther Davidson 1895-04 2008 Riverside Palm Springs; Colorado Desert. Comment
  RSA416903  Ambrosia acanthicarpa H. de Forest 1932-8-27 s.n. Riverside Beaumont-Banning Pass Comment
Read comments
Nov 2 2011
  RSA595915  Ambrosia acanthicarpa Darin L. Banks, Lauren Raz 1996-11-5 1174 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 20 m E of its intersection with Pechanga Creek. 393 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
  RSA643280  Ambrosia confertiflora R. D. Goeden, D. W. Ricker 1970-4-2 s.n. Riverside Moreno Badlands: W of Beaumont, south side of Hwy 60, 2 miles W of Jackrabbit Trail 686 Comment
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Mar 21 2011
  CAS-BOT-BC22608  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -335 Riverside Joshua Tree National Monument: about 7 mi S of Entrance to Cottonwood Springs Campground Comment
  CLARK-A1528-5217  Ambrosia dumosa John C. Roos 1937-4-28 766 Riverside Hayfield Comment
  JOTR36091  Ambrosia dumosa La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3318 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  LA94842  Ambrosia dumosa T. A. Geissman; 1966-3-12 TAG- 31266 -FDA Riverside Box Canyon, E of Mecca Comment
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Sep 20 2013
  OBI23435  Ambrosia dumosa F. Seaman 1972-3-23 76 Riverside On outskirts of Palm Springs on US hwy 111 Comment
  RSA766608  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-27 175 Riverside Orocopia Mtns Wilderness. Orocopia Mtns. SR 2013/ Red Canyon Rd at wilderness boundary sign. 689 Comment
  RSA796018  Ambrosia dumosa Duncan S. Bell 2009-4-18 245 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  UC519938  Ambrosia dumosa Joseph Andorfer Ewan 1932-4-8 7029 Riverside near Garnet; Colorado Desert, Seven Palms Comment
  UCR275449  Ambrosia dumosa Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-31 946 Riverside Sonoran (Colorado) Desert, wash crossing Midland-Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  UCR261171  Ambrosia pumila A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41726 Riverside Elsinore Trough, north of Elsinore on east side of Baker St., 0.13 km NNE (14 deg. ) of end of Turnbull Ave. at Baker St. junction 398 Comment
  CAS-BOT-BC273004  Ambrosia salsola M. McCollum 1976-6-10 2014 Riverside 8 mi SSW of Yucca Valley Comment
  HSC49383  Ambrosia salsola D. L. Goforth 1979-4-11 103 Riverside 1 km N of junction of Hwy. 10 and S entrance road to Joshua Tree National Monument 518 Comment
  HSC83015  Ambrosia salsola N. M. Fellows 1985-3-3 77 Riverside Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of San Jacinto Mtns., l mi. W of Snow Creek Village. 489 Comment
  UC61554  Ambrosia salsola var. salsola Miss Mary McKibben 1904-4-1 Riverside Mecca Colorado Desert -60 Comment
  SBBG68008  Amorpha californica Anstruther Davidson -May-1893 Riverside Banning Comment
  JEPS35491  Amorpha californica var. californica W. L. Jepson 1901-5-25 1446 Riverside Santa Rosa Indian Village Santa Rosa Mts. 1981 Comment
  LA204915  Amorpha californica var. californica W. Pequegnat; 1938-6-15 sn Riverside Santa Ana Mountains, Modjeska Flats 1371 Comment
  UCR150015  Amorpha fruticosa Scott D. White, Angelia Carey 2004-4-16 10163 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  UCSB26801  Amorpha fruticosa Wilken, Dieter 1969-6-30 Riverside Road to Santa Rosa Mtn., 4.0 miles east of California State Highway 74, Santa Rosa Mtns. Comment
  RSA702188  Amsinckia intermedia Scott D. White, Michael Honer 2004-3-11 9899 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  SBBG120001  Amsinckia intermedia A. C. Sanders with K. Volansky 2005-3-17 29237 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR183173  Amsinckia intermedia Mitch Provance 2003-5-5 4414 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR228885  Amsinckia intermedia A. C. Sanders 2011-4-6 39006 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
  UCR37711  Amsinckia menziesii A. C. Sanders 1985-3-18 5404 Riverside Riverside; UCR campus. Field between Lothian Dorm and Watkins Drive 335 Comment
  RSA0089960  Amsinckia retrorsa P. A. Munz 1927-5-20 10795 Riverside Murrieta Hot Springs. Comment
  RSA757798  Amsinckia tessellata var. tessellata LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4289 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  RSA775344  Amsinckia tessellata var. tessellata Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5015 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.00456, W116.67238 and N33.99629 and W116.66013 750 Comment
  UCR52071  Amsinckia tessellata var. tessellata C. Huebner 1988-4-17 8- 13 Riverside Gavilan Hills, Harford Springs County Park; Gavilan Rd.; 1 mile east of Cajalco Rd. 732 Comment
  POM13877  Amsonia brevifolia var. tomentosa E. C. Jaeger 1921-4-10 1173 Riverside 1000 Palms Canyon, Colorado Desert of California. 823 Comment
  POM98948  Amsonia tomentosa var. tomentosa E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains. Comment
  RSA465157  Anagallis arvensis E. Crow 1929-3-17 200 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  UCR180054  Anemopsis californica Mitch Provance 2005-5-18 9801 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UCR264617  Anemopsis californica Mitch Provance 2011-6-6 17008 Riverside Badlands, San Timoteo Canyon, El Casco area, north of San Timoteo Canyon Rd. and east of Woodhouse Rd 626 Comment
  JEPS35961  Anisocoma acaulis W. L. Jepson May 17 1901-Jun 1 1901 1315 Riverside journey from Riverside to Santa Rosa Peak and Palomar Thomas Valley Comment
Read comments
Nov 9 2015
  RSA0000866  Antennaria speciosa H. M. Hall 1901-07 2401 Riverside San Jacinto Mountains. Tamarack Valley. 2835 Comment
  POM266318  Anthemis cotula J. C. Roos 1937-5-23 23434 Riverside La Sierra. Comment
  RSA4885  Antirrhinum filipes Carl B. Wolf 1932-4-27 3001 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  UC1929409  Antirrhinum nuttallianum Scott D. White 2004-4-26 10259 Riverside San Jacinto Mountain Foothills: Soboba Indian Reservation, Indian Creek Watershed. Comment
  VVC475  Antirrhinum nuttallianum A. C. Sanders 1997-5-4 20701 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  CAS-BOT-BC218515  Apiaceae Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mountain, a short distance below summit Comment
  UCR172225  Apiastrum angustifolium John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, unincorporated area along San Diego Aqueduct Corridor, 1 km due west of Skunk Hollow, between Nicholas Rd. and Borel Rd., east of Murrieta Hot Springs 421 Comment
  UCR172768  Apiastrum angustifolium Abby Sirulnik, Ian G. Gillespie 2000-5-14 54 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  HSC80297  Apium graveolens Steve Boyd 1985-7-23 1011 Riverside 7 mi W of Rancho California 366 Comment
  RSA403092  Apocynum cannabinum L. E. Hoffman 1930-9-2 s.n. Riverside San Jacinto Mts. Riverside. Comment
  UC9005  Aquilegia formosa H. M. Hall July, 1901 2417 Riverside San Jacinto Mtns 3261 Comment
  UCR25404  Arabis pulchra John C. Roos 1942-5-2 1146 Riverside Mojave Desert, Joshua Tree National Monument [now Park], Wonderland of Rocks [county uncertain, near San Bernardino Co. line] Comment
  UCR54248  Arabis pulchra David Charlton 1988-5-21 1930 Riverside San Jacinto Mtns., Thomas Mtn Rd, west of Garner Valley and south of Lake Hemet on Hwy 74 1829 Comment
  UCR27093  Arabis repanda T. P. Krantz, K. Berg 1982-5-25 s.n. Riverside San Jacinto Mtns., south ridge of Taquitz Peak, near the trailhead 1829 Comment
  POM354173  Arceuthobium campylopodum M. B. Dunkle 1933-7-21 3735 Riverside Idyllwild. 1616 Comment
  POM48597  Arceuthobium campylopodum Mary F. Spencer 1919-6-25 1078 Riverside [Unspecified] 1677 Comment
  UC6052  Arceuthobium campylopodum H. M. Hall Aug. 1901 2616 Riverside s side San Jacinto Mtns 1645 Comment
  RSA629397  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19526 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  CAS-BOT-BC23115  Arctostaphylos glandulosa subsp. glandulosa H. M. Hall 1901-7-1 2419 Riverside San Jacinto Mts. In open forersts of Tauquitz Valley 2560 Comment
Read comments
Sep 12 2019
  CLARK-A1528-448  Arctostaphylos glandulosa subsp. glandulosa Shirley Hill 1963-3-31 630331-7 Riverside San Jacinto Mountains 1219 Comment
  POM367284  Arctostaphylos glandulosa subsp. glandulosa H. de Forest, Jack Rempel 1933-6-25 18035 Riverside San Jacinto Mts. 1098 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
  RSA629418  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19499 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd. Below large boulders, southern Santa Ana Mtns. 850 Comment
  RSA263747  Arctostaphylos glandulosa subsp. zacaensis E. W. Lathrop 1968-5-22 6908 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA612823  Arctostaphylos glauca D. L. Banks 1997-3-1 1346 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  RSA631770  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15081 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631790  Arctostaphylos glauca Jon E. Keeley 1992-6-12 15532 Riverside Road to Elsinore Peak 2.8 km south of Highway 74. 870 Comment
  RSA631804  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16513 Riverside Red Mountain Road, 1 km east of R3. 820 Comment
  RSA631817  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20164 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  UCR94266  Arctostaphylos glauca Scott D. White 1996-4-14 3922 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  UCSB9378  Arctostaphylos glauca Haller, John 1950-5-20 Riverside Base of San Jacinto Mtns., Hemet-Idyllwild Road, opposite Cranston Ranger Station 609 Comment
  RSA0002607  Arctostaphylos glauca var. eremicola W. L. Jepson 1914-5-18 6004 Riverside Colorado Desert, Pinyon Well Mountains. Comment
  RSA633593  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16690 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 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
  RSA633692  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21766 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633741  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20111 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  SEINET3101904  Arctostaphylos pringlei Marc A. Baker, with Michelle Cloud-Hughes 2011-6-12 17374 Riverside Goff Flat, 5.5km SW of Pyramid Peak Comment
  POM15030  Arctostaphylos pringlei subsp. drupacea Mary F. Spencer 1922-7-2 1980 Riverside Tahquitz trail. Idyllwild. San Jacinto Mt. 1829 Comment
  RSA635638  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-17 16749 Riverside Rd. to Thomas Mtn. (5S15), 4.5 km south of Toolbox Springs, west of Garner Valley, San Jacinto Mountains. 1660 Comment
  RSA635649  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16646 Riverside Road to Santa Rosa Mountain (7S02), 7.5 km south of Highway 74. 1860 Comment
  CAS-BOT-BC46337  Arctostaphylos pungens John Thomas Howell 1960-3-24 35149 Riverside Keene Camp Summit, Pines to Palms Hwy. San Jacinto Mts. 1493 Comment
  JEPS48072  Arctostaphylos pungens Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4262 Riverside 1 mi se Toro Peak Ridge; Santa Rosa Mts. 2286 Comment
  RSA293530  Arctostaphylos pungens C. W. Tilforth, W. Wisura 1979-8-8 1903 Riverside Along hiway 74, 7.5 mi. south-east of Lake Hemet turn-off, Garner Valley Comment
  RSA635808  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16547 Riverside Red Mountain Road, 9.5-10.3 km east of R3. 1050 Comment
  SBBG58423  Arctostaphylos pungens R. Hoffmann 1929-9-11 Riverside Thomas Valley Comment
  RSA636169  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19463 Riverside West of Temecula, off Carancho Rd., west of De Luz Rd., eastern Santa Margarita Mtns. 460 Comment
  RSA636181  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19540 Riverside W of Temecula, N-facing slopes off Carancho Rd., 6 km NW of De Luz, eastern Santa Margarita Mtns. 440 Comment
  UCR63512  Arctostaphylos rainbowensis Scott D. White 1990-6-14 s.n. Riverside Peninsular Range, Rainbow area: c. 1 mi (airline) SE of Temecula Canyon and 1 mi (airline) NW of Rainbow Valley. S boundary of property on the San Diego County line 427 Comment
  UCR132908  Arenaria macradenia 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
  UCR3307  Argemone munita John Kitasako 1964-5-10 45267 Riverside San Jacinto Mtns., State Hwy 74, 4.5 mi east of Hemet 640 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
  CAS-BOT-BC207123  Argythamnia lanceolata Lewis S. Rose 1959-1-8 59001 Riverside La Quinta 15 Comment
  RSA0040101  Argythamnia neomexicana Duncan S. Bell, LeRoy Gross 2014-3-13 6243 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  SEINET3918912  Aristida adscensionis D. Fenfrock 1951-5-10 s.n. Riverside Hwy 60-70 at Black Rock, 10 mi. W. of Blythe.; 0 Comment
  SEINET3918922  Aristida adscensionis Elizabeth Neese 1979-4-10 7084 Riverside Ca 25 mi W of Blythe, desert along Interstate 10.; 0 244 Comment
  UC196994  Aristida adscensionis Joseph Grinnell 1910-3-17 Riverside Riverside Mt. Colorado River Comment
  UC665890  Aristida adscensionis Ira L. Wiggins 1941-3-27 9676 Riverside 8 mi ne Desert Center (s end of mts.); Coxcomb Mountains Comment
  UCR217799  Aristida adscensionis Jim Andre, T. La Doux 2010-2-28 12554 Riverside Lower Colorado River Valley, along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower 83 Comment
  RSA0107902  Aristida purpurea Duncan S. Bell, Thomas Stoughton 2010-3-19 576 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.3 air miles west of Priest Well. 428 Comment
  SD137913  Artemisia californica Darin L. Banks, Steve Boyd 1995-10-17 766 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco. 515 Comment
  CAS-BOT-BC93732  Artemisia ludoviciana subsp. albula Louis C. Wheeler 1933-12-2 2297 Riverside Tahquitz Canyon, San Jacinto Mts. 182 Comment
  UC489283  Artemisia ludoviciana subsp. ludoviciana C. V. Meyer 1928-7-30 573 Riverside San Jacinto Mts., Saunder's Meadow 1676 Comment
  UC75850  Artemisia tridentata F. M. Reed 1905-10-5 832 Riverside at big fill on County Boulevard; Sycamore Canon Comment
  HSC25814  Asclepias albicans R. W. Spjut 1972-2-12 2189 Riverside Colorado Desert, N face of the Chuckawalla Mtns., ca. 3-4 mi. S of Desert Center. 305 Comment
  JOTR29449  Asclepias albicans La Doux, Tasha, Mike Bell 2006-3-8 1347 Riverside Joshua Tree National Park. Eagle Mountains, south of Hayfield Spring 548 Comment
  JOTR35054  Asclepias albicans La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3506 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  RSA0025283  Asclepias albicans J. Andre 2013-3-4 23873 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 miles west of Hwy 95, approx 12 miles south of Vidal Junction. 127 Comment
  RSA778883  Asclepias albicans Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 809 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  UC22959  Asclepias californica H. M. Hall June 1901 2159 Riverside Vandeventer Flat San Jacinto Mountains 1432 Comment
  SBBG5703  Asclepias eriocarpa H. and M. Dearing 1940-6-9 4366 Riverside Palms to Pines Hwy, W of Ribbonwood Comment
  RSA763978  Asclepias erosa Justin M. Wood, D. Ray 2010-10-21 2999 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  UC479245  Asclepias erosa Marcus E. Jones, A. M. 1931-9-15 28744 Riverside Hayfields [Colorado Desert, toward Desert Center] Comment
Read comments
Jun 12 2012
  RSA654869  Asclepias fascicularis Mitch Provance 1999-6-30 1746 Riverside Box Springs Mnts: City of Riverside, at the corner fo Rustin and Marlboro., 33 34' N, 117 20' W 305 Comment
  RSA784752  Asclepias subulata Duncan S. Bell 2012-2-12 3096 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SEINET10779850  Asclepias subulata F. A. Thackery 1928-5-10 Thackery 134 Riverside Rincon 314 Comment
  RSA356725  Aspidotis californica R. F. Thorne, Earl Lathrop 1975-5-25 45554 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  RSA674961B  Aspidotis californica Scott D. White, T. B. Salvato 2001-6-8 8590 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCR110394  Aster bernardinus A. C. Sanders, Mitch Provance 1999-9-26 23078 Riverside San Jacinto Mountains, McMullen Flat c. 1 km NW of Valley High County Park, c. 1 km SE of Hwy 74 off (W of) Twin Pines Ranch Rd. 1195 Comment
  POM57861  Aster subulatus var. ligulatus Geo. R. Hall 1905-09 280 Riverside Riverside Comment
  SEINET898556  Astragalus acutirostris Annie M. Alexander, Louise Kellogg 1941-1 2126 Riverside 13 miles southwest of 29 Palms, Joshua Tree National Monument. 1372 Comment
  CLARK-A1528-5566  Astragalus allochrous John C. Roos 1949-4-10 4228 Riverside Chuckwalla Mountains Comment
  RSA0041733  Astragalus aridus Sarah J. De Groot, April Garbat 2013-4-9 6999 Riverside Along Blythe-Rice (=Midland) Road, 1.9 mile south of Rice and Highway 62, near bottom of Rice Valley, east side of Arica Mountains. 232 Comment
  RSA794018  Astragalus aridus A. C. Sanders 2010-3-23 37539 Riverside Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  LA204888  Astragalus crotalariae Carl Epling; March 1927 sn Riverside Whitewater Pass near Palm Springs Comment
  SD260245  Astragalus didymocarpus Mitch Provance 2013-2-16 213 1 Riverside Santa Ana River Valley: Riverside, Arlanza area, W side of Hole Lake and adjacent mesa (Riverside West 7.5'Q) 226 Comment
  UCR121797  Astragalus didymocarpus A. C. Sanders, Carolyn Washburn 2001-4-17 24035 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  SBBG87357  Astragalus douglasii D. Charlton 1988-5-21 1918 Riverside Thomas Mtn Rd from N to S, W of Garner Valley and S of Lake Hemet on Hwy 74 1524 Comment
  POM229017  Astragalus filipes P. A. Munz 1937-5-31 15125 Riverside Kenworthy, south part of San Jacinto Mountains 1372 Comment
  RSA776935  Astragalus insularis var. harwoodii Amber Swanson, Duncan S. Bell 2011-3-18 218 Riverside About 3 airmiles SE of Desert Center, N of Chuckwalla Mtns. 392 Comment
  CAS-BOT-BC187118  Astragalus lentiginosus var. borreganus L. R. Abrams 1926-3-26 11118 Riverside Between Edom and Garnet east of San Gorgonio Pass Comment
  JOTR34402  Astragalus lentiginosus var. fremontii Andre, Jim 2012-4-16 20938 Riverside Joshua Tree National Park. Along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mountains, 6.7 mi. south of National Park Loop Rd. 989 Comment
  SEINET3004974  Astragalus nuttallianus G. Rink 2011-3-30 10400 Riverside Northwest of Blythe, east of the McCoy Mtns, swale in desert pavement 152 Comment
  UCSB42213  Astragalus nuttallianus Roos, John 1958-3-15 Riverside 3 miles SE of Desert Center, in the Chuckwalla Mtns. Comment
  POM47635  Astragalus nuttallianus var. cedrosensis F. W. Peirson 1922-4-9 584 Riverside Murray Canyon. North bank, 1/2 mile above mouth. Comment
  OBI35629  Astragalus palmeri Louis B. Ziegler 1972-5-17 458 Riverside San Jacinto Mts - Pinyon Flats 1250 Comment
  POM247697  Astragalus palmeri E. C. Jaeger 1939-5-4 s.n Riverside Pinyon Alta Flats, Santa Rosa Mts. 1585 Comment
  RSA415640  Astragalus palmeri Anstruther Davidson 1893-4-10 s.n Riverside Palm Springs. Comment
  RSA593378  Astragalus palmeri Scott D. White 1996-7-23 4358 -A Riverside Pinyon Flat Area: N of Hwy 74, ca. 10 road miles E of jct. w/Hwy 371. W facing slope of Sugarloaf Mtn. and adjacent valley. 1250 Comment
  SD83397  Astragalus palmeri R. Mitchel Beauchamp, R. C. Pierce 1971-3-27 2064 Riverside Fig Tree Valley, dry creek bottom 690 Comment
  RSA415662  Astragalus pomonensis H. E. Hasse 1892-07 s.n Riverside San Jacinto. Comment
  UCD105191  Astragalus pomonensis R. N. Raynor 1938-6-20 s.n. Riverside Aguanga. Comment
  RSA482218  Athyrium filix-femina Richard Noyes, L. Arnseth 1988-9-11 738 Riverside San Jacinto Mountains: Lake Fulmor, 6 air miles northwest of Idyllwild. 1616 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
  UCR162401  Athysanus pusillus 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
  RSA49380  Atrichoseris platyphylla Philip A. Munz 1949-4-12 13031 Riverside North base of Eagle Mts., Mojave Desert 945 Comment
  SBBG99287  Atrichoseris platyphylla W. L. Halvorson 1977-5-2 77 -17 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UCSB9759  Atrichoseris platyphylla Haller, John 1960-4-2 Riverside Lower slopes of Orocopia Mtns., 1.5 mi. S of the junc. of U.S. highway 60-70 and the S entrance road to Joshua Tree Natl. Mon. 609 Comment
  CAS-BOT-BC170586  Atriplex Mark A. Elvin 2005-5-24 4317 Riverside Perris, east of I-215, south of San Jacinto River, NW corner of junction of Ellis Ave. and first road east of I-215 - Perris Basin, Southern Coastal Slope 426 Comment
  RSA748734  Atriplex argentea Karin Cleary-Rose 1998-9-7 s.n Riverside west edge of Hemet, east of Warren Rd., south of Esplanade and north of the Tres Cerritos Hills 460 Comment
  UCR121198  Atriplex argentea var. mohavensis D. E. Bramlet 1989-7-5 1933 Riverside Diamond Valley, just W [NW] of Gateway Farms, 50-1,000 ft. south of Newport Road, and 13,500 ft. (c. 2.5 mi.) west of State Street. 473 Comment
  JEPS59547  Atriplex canescens W. L. Jepson 1914-5-23 6050 Riverside near Palm Springs; Coachella Valley, near Palm Springs 60 Comment
  JEPS2765  Atriplex coronata var. notatior W. L. Jepson 1901-5-17 1240 Riverside San Jacinto Lake Bed San Jacinto Lake Comment
  RSA532567  Atriplex coronata var. notatior D. E. Bramlet 1991-5-7 2117 Riverside San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  UCR202225  Atriplex coronata var. notatior Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  UCR55657  Atriplex coronata var. notatior L. F. LaPre, Jack Easton 1988-7-10 s.n. Riverside Perris-Aguanga Basin Region, San Jacinto River, 1 mi east of Perris [near Case Rd.] 427 Comment
  UCR70516  Atriplex coronata var. notatior D. E. Bramlet 1991-6-1 2180 Riverside San Jacinto Valley, San Jacinto River, 3 km west of Nuevo, and c. 20 m east of the river, about 300 m south of the end of 11th Street 473 Comment
  UCR112576  Atriplex davidsonii D. E. Bramlet 1998-6-22 2638 Riverside Upper Salt Creek Reserve, 6.9 km West of Hemet and 76m east of California Avenue, approximately 671m north of Setson Avenue. 456 Comment
  SD251214  Atriplex hymenelytra Duncan S. Bell 2013-1-30 4445 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon just to the west of Mecca Hills peak 1642. 138 Comment
  CAS-BOT-BC169295  Atriplex lentiformis S. B. Parish 1912-10-24 8266 Riverside Thermal -39 Comment
  CAS-BOT-BC169297  Atriplex lentiformis S. B. Parish 1912-6-28 8118 Riverside Alkaline flats, Mecca Comment
  RSA0039846  Atriplex lentiformis Joseph Brehm 2014-7-21 s.n. Riverside Collected at Dos Palmas ACEC in Outer West Spring, near the fence into Quail Triangle. Comment
  UCR100867  Atriplex polycarpa George K. Helmkamp, E. A. Helmkamp 1998-2-18 2707 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR35144  Atriplex serenana L. B. Ziegler 1976-8-20 551 Riverside San Jacinto Valley, near the city of San Jacinto. 473 Comment
  CAS-BOT-BC106703  Baccharis salicifolia C. L. Hitchcock 1940-4-12 6048 Riverside 8 mi. northwest of Elsinore 457 Comment
  JOTR29288  Baccharis salicifolia La Doux, Tasha 2003-9-4 1574 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1280 Comment
  LA203015  Baccharis salicifolia C. L. Hitchcock; 1940-4-12 6048 Riverside 8 mi. NW of Elsinore 457 Comment
  RSA145921  Baccharis salicifolia William McKinley Klein, J. E. Klein 1958-2-9 21 Riverside 4.5 mi. northwest of Alberhill (Calif. hwy 71). Comment
  UCR140708  Baccharis salicifolia A. C. Sanders 2004-5-12 27860 Riverside Elsinore Basin Region, Alberhill Mountain, northwest foot near Lake St. at Alberhill 378 Comment
  UCR97252  Baccharis salicina Scott D. White 1997-2-9 4674 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  IRVC513  Baccharis sergiloides R. H. Whittaker, W. A. Niering 1963-6-7 SJ 283 Riverside slope SE-5o wash, sand alluvial soil. 1037 Comment
  RSA314468  Baccharis sergiloides R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55384 Riverside San Bernardino Mts.: Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  SEINET2045193 Image available Baccharis sergiloides Dave Charlton 1986-12-26 647 Riverside Coxcomb Range, at E end of Joshua Tree National Monument, northernmost W-facing large canyon in the range, just N of Specter Peak 915 Comment
  SEINET899356  Baccharis sergiloides C. B. Wolf 1932-1 4272 Riverside Colorado Desert. Little San Bernandino Mts. Morongo Wash, 3/10 mi. below San Bernandino Co. line 671 Comment
  CAS-BOT-BC99956  Baileya pauciradiata Marcus E. Jones 1903-5-8 s.n. Riverside Indio -7 Comment
  JEPS14263  Baileya pauciradiata John Ingram, Howard Arnott and Francia Chisaki 1955-4-18 631 Riverside 5.6 mi se of turn-off to Thousand Palms Highway 60 Comment
  UCR90166  Baileya pauciradiata R. W. Scora 1966-4-1 3012 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  JOTR16565  Baileya pleniradiata Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROAD TO LOST HORSE RANGER STATION FROM CAP ROCK 1310 Comment
  POM253442  Bebbia juncea Thos. Craig, Frances Craig 1939-11 s.n. Riverside Aguanga. Comment
  POM42384  Bebbia juncea Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA0106718  Bebbia juncea Duncan S. Bell, Amanda Turek 2010-1-30 531 Riverside Arica Mountains; the central part of the range; limestone ridges to the west of Priests Mine. 448 Comment
  RSA652575  Bebbia juncea David B. Dunn 1947-7-12 2962 Riverside Pushawalla canyon in the Indio Hills, below the Palms Comment
  UCR21998  Bebbia juncea Steve Boyd 1980-7-12 332 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR72213  Bebbia juncea Theo Glenn 1991-5-20 91- 106 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  UCSB9702  Bebbia juncea Leeuwen, Henry 1957-4-13 Riverside next to U.S. 60 near juncture with Cal. 195 Comment
  JEPS32146  Bebbia juncea var. aspera W. L. Jepson 1927-4-11 11626 Riverside Whitewater Bridge 457 Comment
  UC68875  Bebbia juncea var. aspera H. M. Hall 1905-5-2 5971 Riverside Chuckawalla Mts., Colorado Mts. Colorado Desert, Chuckawalla Mts. Comment
  SEINET3862253  Beloperone californica Sears 1978-3-18 949 Riverside 10 mi. SW of Desert Center, 8 mi S of Interstate 10 on Red Cloud Road following mining Railroad Wash area.; 0 457 Comment
  UCR67358  Berberis nevinii Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 3997 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  SD146285  Bergia texana A. C. Sanders, Mitch Provance 1999-9-26 23132 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rdd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  GMDRC5193  Bernardia myricifolia T. La Doux, D. Shade, M. Harding, M. Wheeler, T. Herskovits 2011-10-13 2566 Riverside Little San Bernardino Mountains: northwest end of Eagle Mountains, 3 mi. north of Cottonwood Visitors Ctr. 1055 Comment
  NY43196  Bernardia myricifolia J. B. Walker 1995-5-3 1405 Riverside S of Palm Desert, along Hwy 74, 3km E of Pinyon Flats Campground 1200 Comment
  UCR189286  Bidens frondosa Fred M. Roberts, S. Leatherman 2007-9-19 6585 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  CAS-BOT-BC102100  Bidens laevis S. B. Parish 1913-2-28 8462 Riverside Salton Basin. In the stream from the rairoad wells at Mecca -57 Comment
  SDSU11577  Bloomeria crocea Charles F. Phleger 1962-5-23 23 V62 Riverside Collected on land owned by the Schloss Foundation about 25 miles north of Escondido. Comment
  UCR116865  Bloomeria crocea A. C. Sanders, Steven R. Hill 2001-5-4 24124 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCSB2223  Boechera arcuata Keator, Glenn 1959-5-17 Riverside Near Hemet lake; on Pines to Palms highway Comment
  RSA278503  Boechera californica John F. Emmel 1977-6-9 565 Riverside Thomas Mountain Road, ca. 0.5 air mile SW of Jozee Spring. 1585 Comment
  LA90280  Boechera parishii Arnold Menke; 1955-4-28 sn Riverside Hemet Valley, S side of road Comment
  RSA449949  Boerhavia wrightii J. C. Roos 1937-8-20 s.n. Riverside East of Desert Center. Comment
  UC2026380  Boerhavia wrightii Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10051 C Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  UCR22071  Bolboschoenus maritimus subsp. paludosus Steve Boyd 1980-5-13 261 Riverside Gavilan Hills, Harford Springs County Park, at NW corner of the Gavilan Plateau 640 Comment
  RSA0120018  Bothriochloa barbinodis Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9069 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  CLARK-A1656-861  Bouteloua barbata Jon Mark Stewart 1983-10-3 83-89 Riverside Indio Hills Comment
  RSA0107464  Bouteloua barbata Duncan S. Bell 2011-9-30 2938 Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  JEPS29308  Bowlesia incana Rimo Bacigalupi and L. Heckard 1962-3-25 8403 Riverside about 10 air mi nw of Elisnore (above Temescal Wash, near Arcilla siding of A.T. & S.F. Railway, just above state highway 71); A.T. & S.F. Railway 289 Comment
  RSA180501  Bowlesia incana E. W. Lathrop 1965-4-18 5657 Riverside 10 miles west of Murrieta. Comment
  UCR107703  Bowlesia incana A. C. Sanders 1997-3-1 19752 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  CHSC100824  Brandegea bigelovii Susan Bazell 2008-12-29 65 Riverside Mecca Hills. In Painted Canyon right at base of canyon wall in damp sand. Comment
  CHSC25967  Brandegea bigelovii James Henrickson 1969-11-8 4371 Riverside 5 air mi. S of Palm Desert near top of Seven Level Hill. 670 Comment
  JOTR34305  Brandegea bigelovii Andre, Jim 2012-4-11 20719 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  RSA394243  Brandegea bigelovii P. J. Remple 1942-3-1 s.n. Riverside Deep Canyon wash. Comment
  RSA0009701  Brandegea bigelovii Marcus E. Jones 1906-4-20 s.n. Riverside Indio. Comment
  UCR94241  Brassica geniculata Scott D. White 1996-4-14 3906 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  UCR226070  Brassica rapa A. C. Sanders, T. B. Salvato 2011-4-1 38939 Riverside Peninsular Range, Lake Elsinore, Baker St. above Temescal Wash, c. 1200 ft. north of water tank on hill 386 Comment
  RSA758326  Brassica tournefortii Doug Goldman 2005-3-3 3032 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  UCD114634  Brassica tournefortii G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2723 Riverside Colorado Desert: Chuckwalla Valley; 0.3 mi S of Checkwalla Rd. on Graham Pass Rd. Comment
  CLARK-A1528-1655  Brickellia arguta John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  CLARK-A1528-1661  Brickellia californica John C. Roos 1951-10-19 5324 Riverside Jackrabbit Trail 609 Comment
  RSA772008  Brickellia californica Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4963 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
  CAS-BOT-BC106179  Brickellia desertorum S. B. Parish 1913-2-8 8432 Riverside Base of mountains southw of Travertine Rock - Salton Basin 30 Comment
  RSA695645  Brickellia incana J. Russell Bruff 1927-11-26 26 Riverside 10 miles north of Cottonwood Springs Comment
Read comments
Sep 20 2011
  SBBG101687  Brickellia oblongifolia var. linifolia S. Boyd with T. Ross 1991-6-8 6325 Riverside Pinyon Flat at jct of Santa Rosa Mtn Rd and St Hwy 74 1400 Comment
  RSA559357  Brodiaea santarosae Steve Boyd, Timothy S. Ross 1992-5-15 7385 Riverside Southern Santa ana Mtns., southern flank of Elsinore Peak along old Main Divide Road track about 1/4 mile due south of radio towers, 1037 Comment
  UCR191209  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-1 911 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
  UCR191211  Brodiaea santarosae Tom Chester, W. P. Armstrong 2006-6-22 934 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau: Avenaloca Mesa; north side of Avocado Mesa Road at La Cuesta Road 750 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
  UCD57694  Bromus arizonicus John Thomas Howell 1956-3-20 31119 Riverside Riverside. 8th street. Comment
  RSA781209  Bromus berteroanus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37709 Riverside Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.3 mi NNE (14 deg ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 405 Comment
  UC2015537  Bromus berteroanus A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16168 Riverside Coachella Valley/San Jacinto Mtns. Foothills, N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 miles above Highway 111 (Palm Canyon Dr.) Comment
  RSA683092  Bromus carinatus Scott D. White, T. B. Salvato, L. V. DeMarco, Jessica Christian 2001-6-30 8660 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  SDSU14316  Bromus diandrus Martin M. Lane, Mike Simpson 2002-4-20 7 Riverside At Santa Margrita River Ecological Reserve, West side of Via Tornado road edge. Across from the loop trail head. 338 Comment
  UCR262239  Bromus diandrus T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3711 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  UCR126387  Bromus hordeaceus A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 697 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  RSA595259  Bromus hordeaceus D. L. Banks, Elizabeth Hedge Banks 1996-5-2 962 -B Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, At the gate to the University of California-Emerson Oaks Reserve. 451 Comment
  SDSU14319  Bromus madritensis subsp. rubens Michelle Perl 2002-4-20 11 Riverside Santa Margarita Ecological Reserve north of Santa Margarita River adjacent to riparian area just northeast of junction of Santa Margarita River and Via Tornado Road. 233 Comment
  RSA0000409  Bromus orcuttianus var. hallii H. M. Hall 1901-06 2301 Riverside San Jacinto Mountains. West side. 1738 Comment
  SBBG97302  Bromus rubens W. L. Halvorson 1977-3-13 77 -181 Riverside near Temecula Comment
  UCR120895  Bromus rubens A. C. Sanders, D. Malueg 2002-4-8 24907 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  POM46957  Bromus rubens Mary F. Spencer 1918-1 828 Riverside Palm Springs. 137 Comment
  RSA91692  Bromus rubens F. W. Peirson 1918-03 1557 Riverside Palm Springs Comment
  NY664651  Bromus tectorum var. nudus F. M. Reed 1920-7-14 4443 Riverside Strawberry Valley, San Jacinto Mts. 1554.5 Comment
  RSA87000  Caesalpinia virgata F. W. Peirson 1922-4-11 4426 Riverside Deep Canyon Wash, south side of Coachella Valley 274 Comment
  CLARK-A1528-3832  Calandrinia ciliata John C. Roos 1966-3-24 Riverside Winchester Comment
  RSA522704  Calandrinia ciliata Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3891 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
  UCR60549  Calandrinia ciliata var. menziesii R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 52008 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  UC1409149  Callitriche marginata Robert F. Thorne and Earl Lathrop 1969-5-12 37925 Riverside Santa Rosa Plateau on south end of Mesa de Colorado, Rancho California. 624 Comment
  RSA377347  Calochortus concolor N. C. Cooper 1944-7-15 1565 Riverside Palms to Pines Highway, San Jacinto Mountains. 1372 Comment
  UCR262228  Calochortus plummerae T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3715 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  RSA377469  Calochortus splendens Christopher Davidson 1977-5-25 5652 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  RSA496570  Calochortus splendens Bill Wagner 1988-4-5 s.n. Riverside NW of Murrieta. 381 Comment
  RSA736294  Calochortus splendens Scott D. White, Justin M. Wood 2008-5-27 12033 Riverside I-215 freeway, between Clinton Keith and Alamos. 396 Comment
  SD140233  Calochortus splendens Scott White 1993-4-22 1221 Riverside North Averill Ranch, in hills north of Walker Canyon. 487 Comment
  RSA747278  Calochortus weedii var. intermedius Orlando Mistretta 1992-6-10 515 Riverside Cleveland National Forest: Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  POM122478  Calycadenia tenella Marcus E. Jones 1926-5-31 s.n. Riverside Corona Comment
  RSA525344  Calycadenia tenella Steve Boyd 1990-4-28 4442 A Riverside Vail Lake area, summit of 'Big' Oak Mtn, N of lake 762 Comment
  RSA642610  Calycadenia tenella Darin L. Banks, Mike Kinney 1998-6-8 2219 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside / San Diego County line border. 475 Comment
  RSA564036  Calycoseris wrightii A. C. Sanders 1992-4-4 12114 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA781806  Calycoseris wrightii Duncan S. Bell 2010-5-1 893 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  RSA796093  Calycoseris wrightii Duncan S. Bell 2009-4-20 309 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  SBBG35571  Calyptridium monandrum D. Myrick 1966-4-2 1331 Riverside upper end of Aqueduct Rd ca. 10 mi SE of Desert Hot Springs Comment
  UC635495  Calyptridium monandrum Margaret Stason 1927-2-12 Riverside One Thousand Palm Canyon; Colorado Desert, One Thousand Palm Canyon Comment
  SBBG37494  Calystegia macrostegia R. N. Muller, S. Lindsey 1967-5-11 Riverside 1.5 mi S on Pigeon Pass Rd from jct with rd to Riverside Co Dump 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
  UCR116511  Calystegia macrostegia subsp. arida A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20669 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  CHSC106540  Camissonia Robert F. Thorne; M. Z. Thorne 1973-3-30 42676 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. 487 Comment
  UCR154975  Camissonia bistorta A. C. Sanders, Kelly Volansky 2005-3-17 29219 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
  UCR260546  Camissonia bistorta T. B. Salvato, Matt Malle 2014-5-29 8024 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  UCR4125  Camissonia bistorta Ronald M. Cope 1965-5-2 s.n. Riverside Box Springs Mtns., W side of Pigeon Pass, 7 mi. north of freeway (State Hwy 60), on Box Springs Mountain 610 Comment
  SEINET5584431  Camissonia boothii Stephen Hale 2010-1 Riverside Along power line, adjacent to State Route 95 120 Comment
  RSA184301  Camissonia boothii subsp. condensata P. A. Munz 1932-3-14 11990 Riverside Colorado Desert, Coachella Valley, Deep Canyon. 152 Comment
  POM14267  Camissonia brevipes subsp. brevipes P. A. Munz, D. Keck 1922-4-9 4795 Riverside Palm Springs. 457 Comment
  POM201158  Camissonia brevipes subsp. brevipes Carl B. Wolf 1932-4-29 3108 Riverside Eastern Colorado Desert, 9 mi S of Brown's Well on the Blythe-Rice Road [Midland Rd]. 244 Comment
  RSA466014  Camissonia brevipes subsp. brevipes E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert, Box Canyon Comment
  RSA76151  Camissonia brevipes subsp. brevipes P. A. Munz, R. D. Harwood 1920-4-2 3580 Riverside Colorado Desert, near Blythe. 152 Comment
  UCR216495  Camissonia brevipes subsp. brevipes Jim Andre, T. La Doux 2009-3-10 11242 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  RSA524584  Camissonia californica Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4132 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
  UCR116830  Camissonia californica A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23931 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR120810  Camissonia californica Ian G. Gillespie 2000-4-16 5 Riverside Box Springs Mtns., Two Trees Canyon. 70 m up the trail from Two Trees trailhead 457 Comment
  RSA135303  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-2-16 11623 Riverside 4.3 miles south of Rice. Comment
  RSA145195  Camissonia claviformis subsp. aurantiaca E. G. Linsley, J. W. MacSwain 1959-1-17 58 -16 (17) Riverside 20 miles west of Blythe. Comment
  RSA784972  Camissonia claviformis subsp. aurantiaca Duncan S. Bell 2012-3-18 3215 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
  UCR102925  Camissonia claviformis subsp. claviformis George K. Helmkamp, E. A. Helmkamp 1998-2-5 2682 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  POM20021  Camissonia confusa Mary F. Spencer 1923-06 2202 Riverside Idyllwild, San Jacinto Mt. 2561 Comment
  SDSU3350  Camissonia confusa H. Wedberg 1958-3-30 191 Riverside Adjacent to men's toilet at El Cariso Public Camp, on Hwy 74 about 11 miles west of Elsinore. Cleistogamous. Comment
  UC20483  Camissonia confusa H. M. Hall July, 1901 Riverside Fuller's Mill Mountains San Jacinto Mountains 1584 Comment
  UCR23517  Camissonia confusa John C. Roos 1943-5-23 2662 Riverside S Mojave Desert, Little San Bernardino Mtns 1524 Comment
  SEINET7040180  Camissonia graciliflora A. G. Vestal 1962-3-29 Riverside 4.2 miles east of Murrietta [near Murrietta Hot Springs]. UTM Zone 11, 487862mE, 3712342mN. Comment
  UCR133355  Camissonia hirtella Tracy Tennant, J. S. Ross 1998-5-7 MOR- 121 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  UCR154451  Camissonia hirtella A. C. Sanders, Mike Misenhelter 2005-6-15 30962 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  RSA612691  Camissonia intermedia D. L. Banks 1997-3-29 1607 B 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
  SEINET2042519 Image available Camissonia pallida A. C. Sanders 2001-3-20 23854 Riverside (Desert Hot Springs Quad 7.5') Coachella Valley, Garnet, N side of 19th Ave.; 0.5 mi (airline) NW of intersection of I-10 and Indian Ave. T3S R4E S15, center 235 Comment
  UCR102932  Camissonia pallida George K. Helmkamp 1998-4-3 3077 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek area north of Mt. San Jacinto; at edge of stream south of Snow Creek Rd at a point 1.4 mi. south of Calif. Hwy 111 396 Comment
  RSA465913  Camissonia pallida subsp. hallii N. C. Cooper 1944-4-23 1111 Riverside Banning. 701 Comment
  HSC25792  Camissonia pallida subsp. pallida Richard Spjut 1972-3-30 2349 Riverside Just SW of Coahulla Indian Reservation, ca. 2 miles E on Hwy. 71 from jct. 79 (near San Diego County Line) 1220 Comment
  POM299273  Camissonia refracta A. M. Alexander, Louise Kellogg 1941-5-15 2184 Riverside Base of Eagle Mountains. 915 Comment
  UCR237633  Camissonia refracta Duncan S. Bell, Amanda Turek 2010-4-10 805 Riverside Riverside Mountains, southern section of the mountain range, c. 1 air mi southwest of Riverside Mountain Peak 269 Comment
  UCR249509  Camissonia refracta T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7281 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  POM48923  Camissonia strigulosa P. A. Munz 1924-5-18 8146 Riverside 18 miles from Banning on Idyllwild Road [Hwy 243?]. 1524 Comment
  RSA564048  Camissonia strigulosa A. C. Sanders 1993-5-17 14064 Riverside Hemet, S side of Florida Ave. (Hwy 74) on the E side of California Ave. 457 Comment
  RSA716402  Camissonia strigulosa Scott D. White, Angelia Carey 2004-4-5 10012 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  SBBG104645  Camissonia strigulosa M. A. Patten 1992-5-14 92 -5 Riverside Cherry Valley, just N of Cherry Park Drive between Mtn View Avenue and Beaumont Avenue Comment
  UC1228592  Camissonia strigulosa C. L. Hitchcock and C. V. Muhlick 1962-3-16 22136 Riverside 8 mi se Corona; Temescal Canyon Comment
  SD227855  Camissoniopsis hirtella A. C. Sanders 1994-5-30 14594 Riverside San Bernardino Mtns.: NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave., at Dutton St. 950 Comment
  SDSU3373  Camissoniopsis ignota H. L. Wedberg 1958-3-30 189 Riverside Adjacent to stream bed between the northwest end of Upper San Juan Campground and Hwy 74. Comment
  UCD103468  Camissoniopsis ignota Robert C. Bechtel 1952-3-28 28 Riverside Perris. 443 Comment
  SD215583  Camissoniopsis lewisii Steve Boyd, Tim Ross et al 1990-4-2 4043 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain along Highway 79, East of USFWS Dripping Springs Guard Station. 487 Comment
  JOTR34272  Camissoniopsis pallida subsp. pallida La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3288 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  UCR21202  Capsella bursa-pastoris A. C. Sanders 1980-5-1 1377 Riverside San Jacinto Mountains, Garner Valley, off Morris Ranch Road, 2.2 mi north of Kenworthy Ranger Station 1616 Comment
  CAS-BOT-BC281703  Carduus pycnocephalus T. C. Fuller 1962-6-6 8847 Riverside On road cut, National Orange Co. prop., E extension of Palmrita Ave., 2.5 miles E of Iowa Ave, Highgrove Comment
  UCR24810  Carex alma George K. Helmkamp 1981-8-23 s.n. Riverside San Jacinto Mountains, north side of the mountains at Snow Creek near Snow Creek Village, c. 200 yards upstream from the old stone house. 393 Comment
  CAS-BOT-BC32469  Carex jacintoensis Harvey Monroe Hall 1901-7-1 2483 Riverside San Jacinto Mountains. Tamarack Valley. 2743 Comment
  RSA249849  Carex multicaulis Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38117 Riverside San Bernardino National Forest, San Jacinto Mountains.: Above and in James Reserve. 1677 Comment
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Apr 24 2011
  UCR96428  Carex pellita Scott D. White 1996-8-1 4441 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  CAS-BOT-BC118510  Carex praegracilis Earl W. Lathrop 1959-5-17 4553 Riverside 10 mi W of Murrieta Comment
  RSA522270  Carex praegracilis Steve Boyd, David E. Bramlet, Harry Spilman 1989-4-30 3516 Riverside Gavilan Hills, Harford Springs County Park on the N edge of the Gavilan Plateau, E of Gavilan Creek 610 Comment
  RSA575995  Carex praegracilis Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills region, canyon at southeastern base of Rocky Bluff Ridge , east of Estelle Mountain and south of Gavilan Plateau. 610 Comment
  UCR277703  Carex praegracilis Mitch Provance 2013-4-16 413- 19 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  CAS-BOT-BC115978  Carex subfusca H. E. Hasse 1903-6-30 s.n. Riverside Round Valley, San Jacinto Mts. 2895 Comment
  CHSC88465  Carex triquetra L. P. Janeway 2004-5-8 8060 Riverside Peninsular Ranges. Santa Ana Mountains; San Mateo Canyon, along Tenaja Trail about 650 m south-southwest of trailhead at Wildomar Road. 375 Comment
  UCR51547  Carthamus tinctorius C. Huebner 1988-4-24 7- 14 Riverside San Bernardino Valley/Perris-Aguanga Basin Region, Reche Cyn, 1 mi SE [NE?] of Console Springs, SE of Colton 497 Comment
  CHSC1694  Castilleja affinis 1940-3-10 Riverside San Jacinto foothills. Comment
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Mar 10 2013
  UCR174425  Castilleja affinis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32481 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA773659  Castilleja exserta Duncan S. Bell, Joy D. England 2010-5-20 1022 Riverside San Bernardino National Forest: Garner Valley, approximately 1.75 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1361 Comment
  UCR25604  Castilleja exserta John C. Roos 1952-4-16 5558 Riverside Box Springs Mountains, Pigeon Pass 457 Comment
  POM4315  Castilleja foliolosa L. T. Street, Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
  RSA741577  Castilleja miniata Scott D. White, Justin M. Wood 2008-6-17 12172 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  RSA0076467  Castilleja stenantha Gale Sphon 1959-5-2 320 Riverside Horsethief Canyon. Comment
  POM94483  Caulanthus Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. Comment
  RSA248730  Caulanthus cooperi Christopher Davidson 1973-4-19 1993 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree 1220 Comment
  RSA531135  Caulanthus hallii M. B. Dunkle 1937-3-25 4942 Riverside Colorado Desert. Shaver s Well Comment
  RSA561811  Caulanthus heterophyllus Steve Boyd 1992-4-14 6833 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
  RSA735865  Caulanthus heterophyllus Scott D. White, Justin Wood, Juan Hernandez 2008-3-12 11764 Riverside Site of proposed Liberty Quarry. Mountains between Temecula Valley and Rainbow Valley just W of Interstate 15. N of the San Diego County Line. 335 Comment
  SBBG87902  Caulanthus heterophyllus L. F. LaPre 1986-4-17 Riverside Bull Cyn, Gavilan Hills (cf. var. pseudosimulans Buck, nom. illegit.) Comment
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May 31 2013
  UC1595597  Caulanthus heterophyllus Steve Boyd, Tim Ross 1990-5-11 4621 Riverside e Dripping Springs campground (base of Agua Tibia Mtn. Vail Lake area, Cleveland National Forest, s of Hwy 79); Cleveland National Forest, Vail Lake Area, base Agua Tibia M 548 Comment
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Mar 13 2008
  UCR120659  Caulanthus heterophyllus D. E. Bramlet, P. Jacks, S. Goode 1989-4-6 1798 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the SE-facing slope of Bachelor Mountain. Transect L-9 482 Comment
  UCR199926  Caulanthus heterophyllus Scott D. White, Justin Wood 2008-4-16 11889 Riverside Perris/Elsinore Basin, hills to the west of I-215 and south of Scott Rd. 549 Comment
  UCR266484  Caulanthus heterophyllus Mitch Provance, Eric Kline 2015-3-26 315- 45 Riverside Temecula/Murrieta Region, Murrieta, Antelope Hills neighborhood, NE corner of Menifee Rd. and Clinton Keith Rd. 424 Comment
  HSC87227  Caulanthus lasiophyllus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2172 Riverside Palen Pass at the N end of the Palen Mtns. 500 Comment
  HSC79765  Caulanthus simulans James Henrickson 1973-3-18 8611 Riverside 33 (air) mi. E of Temecula, 5-7 mi SE of Terwilliger, at N end of Coyote Canyon Rd., first steep grade down to canyon 762 Comment
  UCR17935A  Caulanthus simulans A. C. Sanders 1976-4-20 00224 A Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  UC729488  Ceanothus cordulatus Carl B. Wolf 1932-8-6 3990 Riverside base of Devil's Slide to Tahquitz Valley San Jacinto Mts., Strawberry Valley 1706 Comment
  UC494719  Ceanothus crassifolius Philip A. Munz 1932-3-24 12028 Riverside s Lake Elsinor (base of mts.) 365 Comment
  UCR90962  Ceanothus crassifolius Scott D. White 1996-3-16 3831 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  UC1070667  Ceanothus greggii R. St. John 1929-11-1 19 Riverside Milliard Canyon San Jacinto quad. 914 Comment
  UC774865  Ceanothus integerrimus Carl B. Wolf 1941-8-15 11155 Riverside n side and 1/2 mi from summit Santiago Peak; Santa Ana Mts. Comment
  CAS-BOT-BC51276  Ceanothus leucodermis Lyman Benson 1932-3-26 3186 Riverside Summit Temecula Grade 609 Comment
  CAS-BOT-BC63566  Ceanothus oliganthus var. orcuttii Carl B. Wolf 1935-6-18 7209 Riverside Santa Ana Mts., Coldwater Can. Trail, about 1.5 mi. below (n.) main divide motorway. 1280 Comment
  SBBG105055  Ceanothus ophiochilus S. Boyd with T. Ross 1993-3-23 7893 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215, just SW of jct of Briggs Rd and Scott Rd 792 Comment
  POM301639  Ceanothus palmeri Carl B. Wolf 1941-8-12 11142 Riverside 3.5 mi. N.W. of Idylwild on dark canyon Rd. 1646 Comment
  RSA0019594  Ceanothus palmeri Valerie L. Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1698 Riverside Fuller Mill Creek just N of junction with Dark Canyon. 1494 Comment
  RSA399799  Ceanothus palmeri Mark Morris 1929-3-10 14562 Riverside Chaprral of foothill regional. Comment
  UC1071209  Ceanothus palmeri A. E. Wieslander 1936-8-29 683 Riverside Vista Grande R.S. San Bernardino National Forest, San Jacinto Quad. Comment
  SBBG119115  Ceanothus papillosus C. E. True with R. Cox 2004-7-7 Riverside Main Divide Trail, ca. 0.6 km NE of summit of Pleasants Pk 1067 Comment
  UCR87881  Ceanothus perplexans G. F. Pratt 1994-3-21 94- 01 Riverside Mojave Desert, Little San Bernardino Mountains, Joshua Tree National Monument, 1 mi north of Quail Mountain 1524 Comment
  UC1071378  Ceanothus spinosus A. Lewis May 1934 408 Riverside San Juan Canyon Cleveland National Forest, Elsinore Quadrangle Comment
  UCR115378  Ceanothus tomentosus June Latting 1978-5-4 s.n. Riverside Santa Ana Mountains, Sierra Peak 929 Comment
  RSA587427  Centaurea melitensis Darin L. Banks, Steve Boyd 1995-6-2 0571 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain., On the Woodchuck Trail N of the Riverside County boundary, in the clay grasslands in section 32, W of the Dripping Springs Alcove Area. 890 Comment
  RSA707579  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 s.n. Riverside Hemet. South of Highway 74, and west of Warren Road. Comment
  SEINET6413741  Centromadia pungens subsp. pungens R. Spellenberg 2014-5-5 14772 Riverside CA Highway 79 N of Hemet, ca 0.5 km so f Ramona Expressway. 445 Comment
  UCR273111  Cerastium glomeratum Mitch Provance 2001-4-21 17013 Riverside San Bernardino Valley, Jurupa Mountains, Jurupa Valley, Sunnyslope area, E of Sierra Ave, N of Lauren Ln., at SW base of 'Noname Mtn. 320 Comment
  RSA289872  Ceratophyllum demersum B. A. Prigge 1980-9-17 4092 Riverside Coachella Valley Stormwater Channel: 2 mi. W of Mecca, where Pierce Rd. crosses channel. -55 Comment
  POM122304  Cercidium floridum Marcus E. Jones 1926-6-8 sn Riverside Palm Springs Comment
  VVC205  Cercidium floridum F. Ambrey 1959-4-24 s.n. Riverside S Calif., West side of rd. 17.7 mi E of Mecca on State Hwy 195 at east end of Box Cyn. 445 Comment
  RSA701115  Cercocarpus betuloides var. betuloides M. Wall 1996-6-25 182 Riverside East-draining cyn slopes S of Beaumont off Hwy 79, 1.8 mi S of 10 Fwy. 610 Comment
  SEINET5712807  Chaenactis artemisiifolia Ed LaRue 1990-1 s.n. Riverside 0.5 mi NW of town of Aguanga, N of Hwy 79 and W of Hwy 371; ca. 1.5 mi (air line) N of San Diego County line. Aguanga 7.5' USGS Quad.; Aguanga 640 Comment
  UC1424842  Chaenactis artemisiifolia E. W. Lathrop 1968-6-2 6956 Riverside trail between El Carriso and San Mateo Canyon (main divide truck); Santa Ana Mountains, Cleveland Nat'l Forest 1219 Comment
  UC284895  Chaenactis artemisiifolia P. A. Munz 1923-6-14 7057 Riverside Glen Ivy trail to Santiago Peak; Santa Ana Mountains 1066 Comment
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Apr 1 2013
  SD187338  Chaenactis carphoclinia Sarah J. De Groot, Leland Lubinsky, et al. 2005-2-10 4615 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. 402 Comment
  UCR251908  Chaenactis carphoclinia Jim Andre 2013-3-27 24837 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  HSC28065  Chaenactis carphoclinia var. carphoclinia Richard Spjut 1973-4-5 3266 Riverside Colorado Desert; N slopes of the Chuckawalla Mtns. ca. 3-4 mi. S of Desert Center 305 Comment
  UC1424854  Chaenactis carphoclinia var. carphoclinia C. W. Tilforth, J. Dourley, W. Wisura 1977-5-19 1326 Riverside ca. 2 mi s of, and Hiway 62 along Blythe-Rice Rd. Rice 266 Comment
  UC1595787  Chaenactis carphoclinia var. carphoclinia W. Wisura, J. Dolan, and M. Wall 1992-3-24 4615 Riverside 4.7 mi ne Mecca (on Box Canyon Rd) Comment
  RSA783825  Chaenactis fremontii J. D. Olmsted 1959-4-10 350 Riverside Along Hwy 60-99 near Cabazon, San Gorgonio Pass, Whitewater River. 671 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
  POM6013  Chaenactis glabriuscula var. glabriuscula E. A. Zumbro 1902-04 15750 Riverside Near Riverside Comment
  RSA339650  Chaenactis glabriuscula var. glabriuscula R. F. Thorne 1980-5-28 54235 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
  RSA619539  Chaenactis glabriuscula var. glabriuscula Darin L. Banks 1997-5-5 1988 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  RSA763054  Chaenactis glabriuscula var. glabriuscula E. W. Lathrop 1968-5-22 6943 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  UCR104177  Chaenactis glabriuscula var. glabriuscula Scott D. White 1997-5-25 5222 Riverside San Jacinto Mtns., Bautista Canyon, along Bautista Canyon Road, c. 1.3 road miles NW of Hixon Trailhead (USFS Road No. 2E43) 762 Comment
  RSA152488  Chaenactis macrantha Rimo Bacigalupi, L. R. Heckard 1953-5-4 4066 Riverside High desert slopes at base of the Cushenberry Grade, N base of San Bernardino Mtns. 1187 Comment
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Jun 30 2012
  SJSU11743  Chaenactis stevioides R. C. McGehee 1970-4-15 201 Riverside Wileys Well c. 24 mi SW of Blythe, southeastern Riverside County Comment
  UCR275463  Chaenactis stevioides Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 965 Riverside Sonoran (Colorado) Desert, Blythe-Rice Road, ENE of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  RSA0121596  Chamaesyce arizonica Duncan S. Bell, LeRoy Gross 2016-3-29 9106 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
  HSC8028  Chamaesyce polycarpa L. S. Rose 1966-12-11 66099 Riverside La Quinta 91 Comment
  RSA781417  Chamaesyce polycarpa Duncan S. Bell 2011-10-22 2997 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
  SBBG100585  Chamaesyce polycarpa W. L. Halvorson 1977-2-5 77 -14 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  SJSU5736  Chamaesyce polycarpa L. S. Rose 1966-12-11 66099 Riverside La Quinta 91 Comment
  RSA503388  Chamaesyce polycarpa var. polycarpa Gary D. Wallace 1966-3-4 76 Riverside Along Dillon Rd. S slopes of the Little San Bernardino Mtns. 122 Comment
  CAS-BOT-BC70040  Cheilanthes covillei Elizabeth Parsons Hawver 1917-3-29 s.n. Riverside Palm Springs Comment
  POM11164  Cheilanthes covillei Philip A. Munz 1922-7-1 5937 Riverside Santa Rosa Mountains: Old Santa Rosa. 1402 Comment
  RSA180256  Cheilanthes newberryi E. W. Lathrop 1965-4-26 5695 Riverside 4 miles southwest of Murrieta. Comment
  RSA685789  Cheilanthes newberryi I. M. Johnston 1920-5-8 2265 Riverside Box Springs Grade Comment
  RSA702731  Cheilanthes newberryi Scott D. White, Michael Honer 2004-4-6 10058 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  RSA625000  Cheilanthes parryi L. C. Wheeler 1963-3-17 8243 Riverside Santa Rosa Mountains: Martinez Canyon. Comment
  UC668413  Cheilanthes viscida Annie M. Alexander and Louise Kellogg 1941-4-22 2060 Riverside Whitewater Canyon; Colorado Desert 548 Comment
  SEINET3090329 Image available Chenopodiastrum murale Leland R. Dykes 1962-3-25 3 Riverside 4831 Rubidoux Ave., Riverside. Comment
  UCR176672  Chenopodium album G. S. Nuessly 1980-10-14 s.n. Riverside Riverside: U.C. Riverside campus, above Picnic Hill 351 Comment
  CDA3005  Chenopodium amaranticolor 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 Comment
  RSA654881  Chenopodium berlandieri T. B. Salvato, A. C. Sanders 2000-4-27 59 Riverside Coachella Valley: between Filmore & Buchanan on Avenue 56. -37 Comment
  UCR278837  Chenopodium berlandieri Mitch Provance 2012-7-17 712- 14 Riverside San Gorgonio Pass, City of Banning, along E. Lincoln St., vicinity of the Banning Substation, between Hargrave St. and San Gorgonio Ave. 698 Comment
  OBI74469  Chenopodium californicum David J. Keil 1983-4-15 16892 Riverside E of Temecula on SR79 Comment
  UCR113597  Chenopodium missouriense A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23677 Riverside Santa Ana River Valley, SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river 232 Comment
  RSA125318  Chenopodium murale P. H. Raven 1958-2-15 11566 Riverside 24.7 miles east of turn to Corn Springs, Chuckwalla Mountains. Comment
  RSA653338  Chenopodium pratericola Mitch Provance 2000-9-18 2265 Riverside Riverside: Prenda area, S side of Hermosa St., about 0.25 mile west of the intersection with Washington St., 33 deg 54' 02.5'' N, 117 deg 23'14.3'' W 185 Comment
  UCR122337  Chenopodium rubrum A. C. Sanders, Mitch Provance 1999-9-26 23098 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  CDA3100  Chenopodium strictum Mitch Provance 2000-11-2 2293 Riverside Reid Park, ca. 0.5 mile SW of the corner of Placentia Ln. and Orange Street, North Riverside. Comment
  CAS-BOT-BC231771  Chilopsis linearis Louis C. Wheeler 1933-12-1 2281 Riverside San Gorgonio wash at S. P. RR, San Gorgonio Pass 640 Comment
  RSA455300  Chilopsis linearis Robert L. Rutherford 1943-9-11 904 Riverside Banning. Comment
  SEINET238935  Chilopsis linearis A. C. Sanders, T. B. Salvato 2000-4-27 23374 Riverside Coachella Valley: east side of Coachella Canal near the foot of the Mecca Hills vicinity of the east end of Ave. 60 (Me 15 Comment
  SBBG68704  Chilopsis linearis subsp. arcuata J. E. Butner 1948-10-3 659 Riverside valley floor near Cathedral City Comment
  POM11892  Chimaphila umbellata subsp. occidentalis P. A. Munz 1922-7-7 6055 Riverside No fork of Tahquitz Creek. 2134 Comment
  SEINET251683 Image available Chloris gayana S. Morgan 1997-12-5 Riverside Riverside : weed in the UCR Botanical Graden, E side of the UCR campus, S. of the pond, near the Rutaceae section, in the cell blocks J8 & K8. (Riverside East 7.5 Q.) 396 Comment
  CAS-BOT-BC518751  Chloris truncata R. E. Riefner, Jr. 2016-3-22 16 -69 Riverside City of Perris, Trumble Rd. at Ethanac Rd., E of I-215 444 Comment
  UCR113856  Chloris virgata Mitch Provance 2000-6-24 2038 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  RSA725734  Chlorogalum parviflorum T. B. Salvato, Gregg Miller 2005-6-3 1376 Riverside ca 3 mi SW of Perris, 1.7 mi SW of the Goetz Road crossing of the San Jacinto River and ca 0.25 mi S of Ethanac Road 436 Comment
  RSA0130724  Chorizanthe brevicornu Glen Rink 2013-3-18 11883 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  CAS-BOT-BC191715  Chorizanthe brevicornu var. brevicornu John H. Thomas 1957-3-30 6527 Riverside 0.8 miles E of Cactus City, about 13 miles E of Coachella, near U.S. Highways 60 and 70. Colorado Desert 518 Comment
  JOTR16806  Chorizanthe brevicornu var. brevicornu Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  UCR174432  Chorizanthe fimbriata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32480 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR48520  Chorizanthe fimbriata var. fimbriata Steve Boyd 1986-5-1 1785 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  RSA0029603  Chorizanthe fimbriata var. laciniata D. L. Banks, Dylan Hannon 1996-5-3 978 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. 540 Comment
  CLARK-A1045-310  Chorizanthe leptotheca George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains Murrieta 7.5' Q Comment
  SEINET4182893  Chorizanthe parryi K. Brandegee 1905-5-12 s.n. Riverside Near Riverside Comment
  RSA674608  Chorizanthe parryi var. parryi Scott D. White, Tasha La Doux 2000-6-16 8011 Riverside Perris/San Jacinto Basin: Winchester/Hemet area. Unnamed hills just S of Lakeview Mts. South of Hwy 74 and E of Hwy 79. 473 Comment
  UC52610  Chorizanthe parryi var. parryi A. J. McClatchie May, 1892 49 Riverside near Elsinore; near Elsinore Comment
  UCR238222  Chorizanthe parryi var. parryi Mark A. Elvin 2005-5-24 4319 Riverside Peninsular Range; Perris-Aguanga Basin Region, hill west of Hemet and south of Hwy 74, east of Winchester Rd. 503 Comment
  UCR252805  Chorizanthe parryi var. parryi John Dvorak 2011-4-13 013 Riverside Perris Aguanga Basin, Bundy Canyon Road, 530 meters north of intersection of Oak Circle Drive; 32 meters west of fence line 512 Comment
  RSA500097  Chorizanthe polygonoides var. longispina Steve Boyd, Tim S. Ross, Laural Arnseth 1989-4-2 3213 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  SD181399  Chorizanthe polygonoides var. longispina Steve Boyd 2001-4-12 10407 Riverside Santa Ana Mountains Gavilan Hills Region: Temescal Canyon, terrace escarpment just south of DePalma Road between Indian Wash and Horsethief Wash Comment
  UCR174161  Chorizanthe polygonoides var. longispina A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32603 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
  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
  RSA585526  Chorizanthe procumbens D. L. Banks, S. D. Boyd 1995-5-9 389 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  RSA784513  Chorizanthe procumbens Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 70 Riverside Crossing of Woodchunk road and 79 Hwy Comment
  UCR90406  Chorizanthe procumbens D. L. Banks, Steve Boyd 1995-5-9 0389 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
  CAS-BOT-BC246241  Chorizanthe rigida Peter H. Raven 1958-1-23 11430 Riverside alluvial fan of Fargo Canyon Comment
  RSA475295  Chorizanthe rigida Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2105 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UC1600856  Chorizanthe rigida Jos. Burtt Davy 1902-4-2 Riverside Salton Comment
  UCD99879  Chorizanthe rigida William H. Brooks 24-25 Feb 1989 s.n. Riverside McCoy Wash, north of Blythe. 579 Comment
  UCR121210  Chorizanthe staticoides D. E. Bramlet 1991-5-10 2145 Riverside Perris-Aguanga Basin region, North Domenigoni Hills, 4300-4500 ft. SE from end of Warren Rd., W side of large peak in Sec. 31, just above saddle 610 Comment
  LA206562  Chorizanthe xanti Carl Epling; William Robison 1933-6-24 Riverside Little San Bernardino Mountains, San Gorgonio Wash Comment
  UCD110137  Chrysolepis sempervirens Merry Lepper 1972-10-22 1070 Riverside Foot trail toward San Jacinto Summit from Long Valley Ranger Station at top of Palm Springs Aerial Tramway. San Jacinto Mtn. Range. Comment
  UCR150646  Chrysothamnus teretifolius Bern Schwenn 1994-11-18 s.n. Riverside Joshua Tree National Monument, W slope of Ryan Mtn., along trail 1463 Comment
  UC1184319  Chylismia brevipes subsp. brevipes Peter H. Raven 1958-3-1 11749 Riverside along US Hwy 95 16.1 mi n Blythe Comment
  UCR245256  Chylismia brevipes subsp. brevipes Jim Andre 2012-3-19 21294 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
  SBBG104669  Chylismia cardiophylla subsp. cardiophylla J. Wear, N. Moorhatch 1993-6-11 Riverside Mecca Hills 60 Comment
  CAS-BOT-BC160584  Chylismia claviformis subsp. aurantiaca P. D. Hurd 1963-4-11 344 Riverside Porcupine Wash, Joshua Tree National Monument Comment
  UC1922422  Chylismia claviformis subsp. claviformis Naomi Fraga, Lisa Rojas 2005-2-10 1352 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR262284  Cirsium occidentale var. coulteri A. C. Sanders 2006-5-13 32277 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
  RSA501001  Cirsium occidentale var. occidentale Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3120 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
  JEPS59194  Cirsium scariosum W. L. Jepson 1901-5-27 1485 Riverside Cahuilla Valley 624 Comment
  RSA730039  Cirsium scariosum E. W. Lathrop 1969-6-6 7106 Riverside Santa Ana Mtns.: 6 miles West of Murrieta on the Santa Rosa Plateau. Comment
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Jun 10 2012
  UC30798  Cirsium scariosum var. congdonii H. M. Hall 1899-5-1 Riverside Cahuilla Comment
  CAS-BOT-BC285737  Cirsium vulgare Scott D. White 1996-9-22 4537 Riverside Perris Basin, W Riverside Co. Perris: Nuevo Road near intersect. w/ Wilson Ave., W of the San Jacinto Riv crossing 435 Comment
  UCR202602  Cirsium vulgare Scott D. White, Justin M. Wood 2008-7-9 12410 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  CAS-BOT-BC438666  Cistanthe ambigua Lewis S. Rose 1937-4-10 37150 Riverside La Quinta. Alt. sea level. 0 Comment
  RSA771030  Cistanthe monandra Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4537 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD144144  Cladium californicum A. C. Sanders, P. MacKay, et al 1994-12-4 15878 Riverside Colorado desert; Salton Sea sink; Dos Palmas Oasis area; San Andres palm grove, 1.75 Km (1.1 miles) west south west of Rancho Dos Palmas, marked seep on Durmid 7.5' Quad. Comment
  UCR119819  Clarkia purpurea A. C. Sanders, T. B. Salvato 2001-5-3 24088 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR151105  Clarkia purpurea Scott D. White 1999-6-8 7452 Riverside Santa Ana Mtns, Corona, near Bedford Canyon: foothills at E slope of Santa Ana Mtns. ''Joseph Canyon'' wash near a disused quarry 366 Comment
  UCR274300  Clarkia purpurea T. B. Salvato, Melissa Clemons 2005-6-6 1410 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
  POM153215  Clarkia purpurea subsp. quadrivulnera P. A. Munz 1927-5-21 10888 Riverside 15 miles south of Hemet. Comment
  RSA764122  Clarkia rhomboidea L. M. Prince, Duncan S. Bell 2009-6-17 579 Riverside Cleveland National Forest Comment
  RSA0059956  Clarkia unguiculata J. C. Roos, L. Roos 1952-4-28 5587 Riverside South side Fairount Park. 259 Comment
  UCR92178  Claytonia parviflora subsp. parviflora D. L. Banks, Steve Boyd 1995-5-3 0239 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  UCR121656  Claytonia parviflora subsp. viridis A. C. Sanders 1995-4-13 16488 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  UCR214581  Claytonia perfoliata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37849 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.93 mi. north (03 deg. ) of intersection of I-15 and Lake St. 469 Comment
  SD236390  Clematis ligusticifolia A. C. Sanders, Tim Thomas 2008-8-1 35944 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek near Mountain Center, SE of Keenwild Fire Station. 1402 Comment
  RSA6085  Clematis pauciflora Carl B. Wolf 1932-5-25 3668 Riverside Snow Creek N base San Jacinto Mountains, just above the Fish Hatchery 640 Comment
  RSA440809  Cleome isomeris Robert Gustafson 1981-4-7 2150 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  RSA543191  Cleome isomeris Steve Boyd, Timothy S. Ross, Mike Hammit 1991-5-2 6111 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UC1281118  Coleogyne ramosissima H. E. McMinn 1937-3-5 4491 Riverside ne part Cottonwood Mts. Comment
  UCR175218  Collinsia Jennifer H. Jones 2006-6-6 396 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  RSA0117428  Collinsia concolor Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6062 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  CLARK-A1045-290  Collinsia heterophylla George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains along San Jacinto Ridge Road at Oak Spring turnoff; chaparral; ; Lake Fulmor 7.5'Q 1066 Comment
  CLARK-A1045-340  Collinsia heterophylla George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Hemet 15'Q Comment
  UCR22065  Collinsia heterophylla Steve Boyd 1980-4-27 152 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  RSA318528  Conium maculatum Patricia Wilder 1971-2-4 4914 Riverside By edge of vernal pool in northeast portion of Prado Park; east of Archibald Ave. 244 Comment
  SEINET270216  Convolvulus arvensis Scott White 1994-6-23 2093 Riverside Santa Gertrudis Creek about 1 mile east of Skunk Hollow (Batchelor Mountain Quad) 396 Comment
  UC64481  Convolvulus arvensis H. M. Hall 1895-7-12 188 Riverside Moreno Comment
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Mar 20 2011
  UCR58456  Cordylanthus nevinii George K. Helmkamp 1989-10-7 s.n. Riverside Peninsular Range; San Jacinto Mtns, roadside beside Hwy 243 near Lawlor Lodge, c. 2 mi north of Pine Cove 1600 Comment
  UC26350  Cordylanthus rigidus subsp. setiger H. M. Hall Aug. 1901 2621 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1584 Comment
  JOTR29613  Coreopsis bigelovii Andre, Jim 2006-4-26 6751 Riverside Joshua Tree National Park. about 0.5 mi. NNE of Rattlesnake Spring on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  UCR175371  Coreopsis bigelovii Jim Andre 2006-4-26 6751 Riverside South Mojave Desert, Joshua Tree National Park: c. 5 mi NNE of Rattlesnake Spring, on ridge just south of radio tower and NE corner of park boundary 1321 Comment
  UC33126  Coreopsis bigelovii W. G. Wright Riverside Comment
  POM356008  Coreopsis californica M. B. Dunkle 1935-3-30 4420 Riverside Pinto Basin, Colorado Desert. 915 Comment
  CAS-BOT-BC101298  Corethrogyne filaginifolia W. R. O. 0001 Riverside Old Field S.W. San Jacinto Valley near base of Mt. Rudolph Comment
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Jul 24 2017
  LA205802  Corethrogyne filaginifolia Elizabeth McClintock; 1936-7-20 Riverside San Jacinto Mountains, Idyllwild Comment
  POM49087  Corethrogyne filaginifolia P. A. Munz, I. M. Johnston 1924-7-26 8713 Riverside South of Banning. 976 Comment
  SD229081  Corethrogyne filaginifolia Dick Schwenkmeyer 2012-8-7 795 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  UCSB37817  Corethrogyne filaginifolia Roos, John 1965-8-19 Riverside Beaumont Comment
  SD143944  Cornus glabrata A. C. Sanders, T. Tennant 1997-11-14 21596 Riverside San Bernardino Mountains; Morongo India Reservation, west end of Burro Flats. 1159 Comment
  UCR244710  Coryphantha alversonii Jim Andre 2012-3-19 21369 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 7.1 mi. east of Hwy 177 321 Comment
  CLARK-A1656-711  Cotula australis Theo Glenn 1979-2-12 Riverside Palm Springs Comment
  SEINET3089348 Image available Crassula connata A. C. Sanders, L. Lubinsky, A. Knapp, P. MacKay & C. L. Sanders 1995-2-12 15920 Riverside Colorado Desert; Coachella Valley, alluvial fan below the Little San Bernardino Mtns., Fargo Canyon Rd. 1.35 mi E of Dillon Rd. 98 Comment
  CLARK-A1045-231  Crassula erecta George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  UCR93050  Cressa truxillensis Steve Boyd, D. L. Banks 1994-9-29 8373 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  SBBG118801  Crocanthemum scoparium S. D. White 1999-11-12 7629 Riverside Murrietta area, corner of Nutmeg and Clinton Keith; T7S R3W S4 410 Comment
  RSA85071  Crossosoma bigelovii F. W. Peirson 1920-2-15 1953 Riverside Small canyon north of Tahquitz Canyon, east base of San Jacinto Mtns. Comment
  JOTR30082  Croton californicus La Doux, Tasha, Bill Truesdell 2006-10-3 1721 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  RSA480577  Croton californicus P. J. Remple 1942-3-3 s.n. Riverside Garnet Station. Comment
  RSA775267  Croton californicus Duncan S. Bell, The Desert Survivors Organization 2011-4-8 2204 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  SEINET3164599  Croton californicus L. S. Copel 1904-5-4 sn Riverside West Canyon, Palm Springs; Colorado Desert Comment
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Aug 3 2013
  UCR276653  Croton californicus Jim Andre 2015-3-6 33547 Riverside Coachella Valley, along Snow Canyon oad, just south of Hwy 111 362 Comment
  UCR17542  Crypsis vaginiflora John C. Roos 1952-6-4 5735 Riverside San Jacinto River Valley, San Jacinto river bottomland 1.5 mi SE of Perris 427 Comment
  UCR231767  Cryptantha John F. Green 2008-4-23 09- 03 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
  JOTR16628  Cryptantha angustifolia Wilburn and Walters 1967-3-7 s.n. Riverside Joshua Tree National Park. LOWER WILSON CANYON Comment
  RSA778221  Cryptantha angustifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 774 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  SD126015  Cryptantha angustifolia F. R. Fosberg 1928-3-17 5141 Riverside Thousand Palms Canyon 60 Comment
  UC1063928  Cryptantha angustifolia H. S. Yates 1937-3-23 6403 Riverside 2. mi n Palm Springs; San Jacinto Quad. 213 Comment
  RSA9117  Cryptantha angustifolia P. A. Munz, R. D. Harwood 1920-4-4 3514 Riverside Pass south of Palm Springs. 152 Comment
  RSA450528  Cryptantha barbigera B. A. Prigge 1988-2-21 7849 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
  RSA775914  Cryptantha barbigera Duncan S. Bell, Amanda Turek 2010-4-10 816 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  RSA79596  Cryptantha barbigera F. W. Peirson 1928-3-10 7710 Riverside Near Hidden Spring, N of Salton Sea, Riverside County. Comment
  UC1563064  Cryptantha barbigera Steve Boyd, Thomas S. Elias, and Erika Winter 1986-2-18 1330 Riverside Box Canyon, along Hwy 195 Colorado Desert, Mecca Hills Comment
  UCR279331  Cryptantha barbigera var. barbigera A. C. Sanders, Jim Malusa 2017-3-23 42912 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  SDSU20613  Cryptantha barbigera var. fergusoniae Ronald B. Kelley 2008-3-8 1484 Riverside East of SR 62, southwest corner of Worsley and Painted Hills Road (aka Pierson Road). Lower Big Morongo Canyon, on roadside of Worsley Road. 384 Comment
  CAS-BOT-BC218860  Cryptantha costata Lewis S. Rose 1938-2-1 38013 A Riverside Palowalla (30 miles e.of Desert Center) 121 Comment
  SEINET3100711  Cryptantha costata G. Rink, M. Honer, K. Christie 2012-3-19 11083 Riverside NW side of the Mule Mtns, ca 2 miles east of the prison 120 Comment
  UC729691  Cryptantha costata Carl B. Wolf 1932-4-29 Riverside 3 mi s Rice (on Blythe road, e Colorado Desert); Colorado Desert 213 Comment
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Feb 12 2013
  RSA314618  Cryptantha decipiens R. F. Thorne, Drs Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55469 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  UCR176721  Cryptantha decipiens A. C. Sanders, K. C. Rose 1995-4-27 16732 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  CLARK-A1045-329  Cryptantha intermedia George K. Helmkamp 1977-3-20 Riverside Cabazon dry wash south of Cabazon; ; Cabazon 7.5'Q Comment
  JEPS67662  Cryptantha intermedia W. L. Jepson 1914-5-25 6084 Riverside near Redlands (between Beaumont and Redlands); San Timoteo Canyon Comment
  PASA1986  Cryptantha intermedia 1928-3-3 Riverside near Whitewater Comment
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Jun 24 2016
  POM3898  Cryptantha intermedia H. M. Hall 1902-4-22 2944 Riverside Vicinity of Riverside. 366 Comment
  UC1178549  Cryptantha intermedia Peter Kamb 1948-5-2 927 Riverside above Banning (n slopes of the San Jacinto Mts.); San Jacinto Mts. 1066 Comment
  UCR142239  Cryptantha intermedia June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 915 Comment
  RSA0075627  Cryptantha intermedia var. johnstonii P. H. Raven 1959-4-23 14020 Riverside 4.1 miles west of Dripping Springs. Comment
  POM73209  Cryptantha maritima Marcus E. Jones 1906-4-27 s.n Riverside Indio. Comment
  RSA701218  Cryptantha maritima Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11274 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage.Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  SEINET2042094 Image available Cryptantha maritima A. C. Sanders 2001-4-8 23987 Riverside (Desert Hot Springs Quad 7.5') Coachella Valley, Desert Hot Springs, N of intersection of Pierson Blvd. And Atlantic Ave, N of flood control ditch. 348 Comment
  UC573635  Cryptantha micrantha H. S. Yates 1937-3-23 5394 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UC64426  Cryptantha micrantha H. M. Hall 1899-5-21 1120 Riverside San Jacinto Mts. 1600 Comment
  SEINET4558667  Cryptantha micrantha subsp. lepida Peter Kamb 1950-1 1908 Riverside Hall Canyon, San Jacinto Mountains 1646 Comment
  UCR238126  Cryptantha micromeres Mark A. Elvin, Julie M. Vanderwier, Frank Sartuche 2002-5-16 2041 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  UC1979567  Cryptantha microstachys Darin L. Banks, Steve Boyd 1995-5-9 0403 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  UCR20701  Cryptantha microstachys A. C. Sanders 1980-5-14 1458 Riverside Peninsular Range, south side of Hwy 79, 0.8 mi SE of Radec 559 Comment
  UCR241245  Cryptantha microstachys Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 503 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UCR111553  Cryptantha muricata Mitch Provance, J. Ross 1999-4-1 1728 Riverside Jurupa Mountains, Johnson Canyon, 0.35 km south of peak 1768 457 Comment
  SEINET3084440 Image available Cryptantha nevadensis B. Pitzer 1998-1-24 3383 .1 Riverside N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  JOTR35042  Cryptantha nevadensis var. nevadensis La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3495 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  UCR213400  Cryptantha nevadensis var. nevadensis A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37461 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCR274798  Cryptantha pterocarya David Fraker, Aaron C. Sedgwick 2012-3-27 046 Riverside Central Mojave Desert, Copper City Road [c. 1 mi south of its junction with Coolgardie Road], Coolgardie Mesa 1189 Comment
  POM254739  Cryptantha racemosa P. A. Munz 1940-3-24 15693 Riverside 3 miles south of Cottonwood Springs, Eagle Mts 457 Comment
  RSA499791  Cryptantha racemosa W. Hutchinson 1925-4-1 s.n. Riverside Palm Springs. Comment
  JOTR29367  Cryptantha utahensis La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1444 Riverside Joshua Tree National Park. Long Canyon; Stop 1, south end of Long Canyon, near Park boundary 547 Comment
  JOTR33945  Cryptantha utahensis La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2834 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
  UCR241232  Cucurbita foetidissima Tracy Tennant, Jeffrey Ross 1998-7-30 MOR- 690 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon 1067 Comment
  RSA719238  Cucurbita palmata Michael Honer, L. Hulse 2004-4-3 1914 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canyon. 610 Comment
  RSA652887  Cuscuta campestris John Wallace 1991-5-8 20 Riverside Colorado River,. Approximately 3 miles south of Lost Lake Resort. Comment
  RSA70999  Cuscuta umbellata F. W. Peirson 1932-11-26 9659 Riverside Thousand Palms Comment
  UCR262461  Cylindropuntia californica Julie Nguyen 2013-4-6 03 Riverside Riverside, Sycamore Canyon Wilderness Park, c. 1 mile from Hwy 60 427 Comment
  JOTR35427  Cylindropuntia chuckwallensis Harding, Mitzi, C. Barrows, K. Callahan, J. Hoines, M. Wheeler 2013-4-11 130 Riverside Joshua Tree National Park. Eagle Mountains; Eagle Mountain peak 1630 Comment
  UCR20826  Cylindropuntia echinocarpa Don Emery 1980-5-15 s.n. Riverside Sonoran (Western Colorado) Desert, Coachella Valley, Devers Hill, near the So. Cal. Edison substation 305 Comment
  SEINET4560613  Cynanchum utahense Duncan S. Bell 2009-1 273 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCR93073  Cyperus esculentus A. C. Sanders, S. Ogg 1994-7-28 15186 Riverside San Bernardino Valley, Colton & Riverside: Santa Ana River from the Riverside Ave. (N. Main St.) bridge downstream almost to Market St. crossing, both sides of San Bernardino Co. line, but mostly RIV 246 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
  POM158185  Cyperus odoratus I. M. Johnston 1928-9-6 11270 Riverside Santa Ana River, Ontario - Corona road. Comment
  CAS-BOT-BC114015  Cyperus rotundus Malcom A. Nobs; Stanley Galen [S. Galen] Smith 1948-9-3 503 Riverside Thermal. Imperial Valley. Comment
  CAS-BOT-BC114017  Cyperus rotundus Frederick Morris Reed 1905-11-12 842 Riverside Raviria Ranch, Blaine Street. Comment
  POM11657  Cystopteris fragilis P. A. Munz, I. M. Johnston 1922-5-19 5386 Riverside 3 miles west of Keen Camp. 1494 Comment
  SEINET893061  Cytisus striatus A. C. Sanders, Chet McGaugh 1991-1 11142 Riverside Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa and north of Calle del Lago. 347 Comment
  CAS-BOT-BC280861  Dactyloctenium aegyptium Brad Ballen 1984-11-22 s.n. Riverside North side of Avenue 48, 300 meters west of Hjorth Avenue, southwest of Indio Comment
  RSA48422  Dalea mollis E. K. Balls 1949-4-12 12907 Riverside Near Durmid on Hwy 111 by Salton Sea. -67 Comment
  UCR108722  Dalea mollis Scott D. White 1998-3-3 6087 Riverside Sonoran (Colorado) Desert, La Quinta/ Palm Desert area, Whitewater River channel at and near Miles Avenue crossing. 30 Comment
  UCR138584  Dalea mollis Steve Boyd, Orlando Mistretta 1986-3-13 1428 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 366 Comment
  RSA91431  Dalea mollissima F. W. Peirson 1916-04 570 Riverside Region of Palm Springs. Comment
  SD137794  Datisca glomerata Darin L. Banks, Steve Boyd 1995-5-3 203 Riverside Agua Tibia Wilderness Area, Cleveland National Forest, N slope of Agua Tibia Mtn. 490 Comment
  UCD126521  Datura stramonium Steve Boyd 1987-10-10 2093 Riverside city of Riverside, N. Main St., just south of Santa Ana River. Comment
  UCR199633  Datura wrightii Scott D. White 2004-4-26 10245 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UCR3497  Datura wrightii Frances Miller 1964-5-5 M 6431 Riverside just above RR tracks at base of Box Springs Mtns, end of Big Springs Rd. 396 Comment
  UCR480  Datura wrightii Rodney Hendrick 1965-3-14 s.n. Riverside Sonoran (Colorado) Desert, About 3 mi east of Mecca on Box Canyon Road 0 Comment
  RSA709192  Daucus pusillus A. C. Sanders 2005-4-28 29756 Riverside Peninsular Ranges: Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine. 625 Comment
  UCR174081  Daucus pusillus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32542 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 564 Comment
  UC1069514  Deinandra fasciculata A. Lewis 1934-5-1 446 Riverside Head Wild Horse Canyon; Elsinore Quadrangle Comment
  UC1929655  Deinandra mohavensis V. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1063 b Riverside Peninsular Ranges, San Jacinto Mountains region; Alongside Highway 74, ca. 1 mile west of junction with Highway 243 (Mountain Center). 1311 Comment
  SD137876  Deinandra paniculata Darin L. Banks, Steve Boyd 1995-10-26 829 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along the Woodchuck Trail. 940 Comment
  SD128263  Delphinium parishii subsp. subglobosum R. Mitchel Beauchamp 1971-5-16 2426 Riverside Santa Rosa Mountains, north side among shrubs, Ribbonwood. 1175 Comment
  RSA0029543  Delphinium parishii subsp. subglobosum Anstruther Davidson s.n. Riverside Palm Springs. Comment
  RSA50296  Delphinium parryi E. K. Balls 1949-5-4 13478 Riverside Cajalco Road, road to Lake Mathews, Gavilan Hills. 2 miles from Corona to Elsinore Highway. Comment
  UCD96277  Delphinium parryi H. Lewis 1941-7-7 s.n. Riverside Lake Hemet. Comment
  UCR1020  Delphinium parryi Dennis Vander Ven 1968-5-19 680519- 3 Riverside c. 7 miles west of Murrieta on Tenaja Rd., where road first enters a canyon. Precisely where road crosses creek. On both sides of road 701 Comment
  UCR231736  Delphinium parryi John F. Green 2008-4-23 08- 07 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UCR98204  Delphinium parryi B. G. Pitzer 1997-4-1 3042 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  RSA0020478  Delphinium parryi subsp. parryi Harlan Lewis 1941-7-7 s.n. Riverside Lake Hemet Comment
  UC64113  Delphinium patens subsp. montanum H. M. Hall 1899-5-1 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1584 Comment
  RSA0036467  Dendromecon rigida J. M. Andre 2012-6-15 30506 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  CAS-BOT-BC198170  Deschampsia danthonioides Frank W. Peirson 1922-5-19 3022 Riverside Menifee Valley Comment
  RSA617828  Deschampsia danthonioides R. E. Riefner 1998-4-22 98 -290 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  RSA192239  Deschampsia danthonioides var. gracilis E. W. Lathrop 1966-5-1 6246 Riverside 3 miles W of Murrieta Comment
  RSA597937  Deschampsia elongata F. M. Reed 1928-6-18 6138 Riverside Temescal [Santa Ana] Mountains: Main Street Canyon, south of Corona. 579 Comment
  HSC6715  Descurainia pinnata C. L. Hitchcock, C. V. Muhlick 1964-3-22 23247 Riverside Side canyon near S entrance to Joshua Tree National Monument Comment
  UCR264604  Descurainia pinnata Mitch Provance 2012-6-19 196- 11 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  JOTR30321  Descurainia pinnata subsp. glabra La Doux, Tasha, E. Babich, J. Galvin, B. Truesdell, N. Fraga, A. Miller, J. Van Warmerdam 2008-2-4 1766 Riverside Joshua Tree National Park. Hexie Mountains, southern end; Porcupine Wash. Stop #1: Open sandy wash near road heading to Cottonwood. 745 Comment
  JOTR34104  Descurainia pinnata subsp. glabra La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2725 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  RSA516418  Dicentra chrysantha Walter Wisura, Bart O'Brien, T. Hayduk 1990-5-2 4427 Riverside Ortega Hwy. below switchbacks, near Lake Elsinor. Comment
  RSA751917  Dicentra chrysantha Scott D. White, Justin M. Wood 2009-5-22 12920 Riverside San Jacinto Mountains: Old Control Road, above Halfway Spring. 1159 Comment
  CLARK-A1656-666  Dicoria canescens Lois Ann Scott 1978-12-22 Riverside Thousand Palms Oasis 182 Comment
  JOTR31223  Dicoria canescens La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2007 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 3) sand ramps 432 Comment
  UCR251350  Dicoria canescens S. J. Myers 2014-5-21 1061 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  UCSB7955  Dicoria canescens Dearing, Hugh; Dearing, Margaret 1939-11-12 Riverside W. Colorado Desert Comment
  UCR117345  Dimorphotheca sinuata Mitch Provance 1998-3-21 247 Riverside Glen Avon, Jurupa Rd., c. 0.25 miles west of Camino Real. 244 Comment
  CAS-BOT-BC150924  Diplacus bigelovii var. bigelovii Ynez Whilton Winblad 1937-3-22 s.n. Riverside Near Mecca Comment
  SD45172  Diplacus bigelovii var. bigelovii Helen K. Sharsmith 1952-4-11 4061 Riverside Mojave Desert, Lost Palms canyon, Eagle Mountains, ca. 2 miles from Shaver Summit 671 Comment
  SD71842  Diplacus brevipes Helen V. Witham 1969-7-2 198 Riverside Silt flat above creek. 7 miles south of Murietta on road to De Luz 299 Comment
  RSA0016057  Diplacus fremontii Duncan S. Bell, Valentin Arvizu 2010-5-10 974 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. 1349 Comment
  RSA0018427  Diplacus longiflorus var. calycinus Robert F. Thorne, C. W. Tilforth, J. P. Simon 1969-6-24 38133 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmor. 1677 Comment
  SEINET8370224  Diplacus puniceus L. P. Janeway 2004-8-5 8066 Riverside Peninsular Ranges; Santa Ana Mountains, Los Alamos Canyon near mouth of Wildhorse Canyon, where Wildomar Road crosses the creek; on slope above road, bottom of the canyon. 421 Comment
  CDA31681  Distichlis spicata G. D. Barbe 1983-10-26 4119 Riverside Bank of Colorado River at County Park, 26th Avenue east of Boulevard, southeast of Blythe 0 Comment
  RSA799919  Ditaxis californica Justin M. Wood, D. M. Ray 2011-4-28 3853 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  JOTR32109  Ditaxis lanceolata Harding, Mitzi, Kipp Callahan 2012-8-27 284 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  UC1547004  Ditaxis lanceolata Leila M. Shultz and John S. Shultz 1985-4-18 8327 Riverside 1 mi. w. <Astec> Well (and 11.7 mi. s. of Hwy. (I-15)); Chuckwalla Mts. 615 Comment
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Apr 5 2011
  UC2015642  Ditaxis lanceolata A. C. Sanders with G. Helmkamp & P. MacKay 1995-3-12 16097 Riverside Coachella Valley: alluvial slopes at the foot of Rabbit Peak, Santa Rosa Mtns., below Sheep Canyon. Comment
  UC311627  Ditaxis lanceolata Theodore Labouchere April, 1915 204 Riverside near mouth of Chino Canyon; Colorado Desert, e. base San Jacinto Mt., not far from Palm Comment
  RSA155552  Dithyrea californica L. S. Rose 1962-3-2 62003 Riverside La Quinta 3 Comment
  RSA726580  Dithyrea californica Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1427 Riverside Along Palen Road near Hwy 177. 170 Comment
  UC1279723  Dithyrea californica David B. Dunn 1948-3-14 3774 Riverside 5 mi s Indio Hills (near Hidden Springs Ranch); Colorado Desert Comment
  UCR222311  Downingia bella R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55200 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  RSA612505  Draba cuneifolia D. L. Banks 1997-2-17 1268 Riverside NW Palomar Mtns, Agua Tibia Mtns: NW foothills of Dorland Mountain at the south end of Los Caballos Road, the University of California-Emerson Oaks Reserve., The western most portion of the Preserve, south of a large, privately owned citrus grove. 445 Comment
  SDSU13553  Dryopteris arguta W. Miller with C. Mosse 1972-7-11 Riverside Comment
  RSA180422  Dudleya edulis E. W. Lathrop 1965-4-25 5698 Riverside 4 miles southwest of Murrieta on the De Luz Road. Comment
  SD73452  Dudleya saxosa subsp. aloides R. S. Woglum 1937-4-24 295 Riverside Near Palm Springs Comment
  RSA737219  Echinochloa crus-galli Justin M. Wood 2008-9-30 177 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA575910  Eclipta prostrata Steve Boyd, Darin L. Banks 1994-9-29 8370 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  CAS-BOT-BC112745  Eleocharis geniculata A. C. Sanders; S. White; C. L. Sanders 1994-10-9 15815 Riverside San Bernardino Mountains: Whitewater Cyn, 2 mi below trout farm, above Bonnie Bell. 548 Comment
  UCR90606  Eleocharis macrostachya Scott D. White 1995-6-29 3392 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  RSA705542  Eleusine coracana subsp. africana R. E. Riefner Jr. 2003-12-20 3 -548 Riverside Jurupa Valley, vicinity of Hellman Avenue at Pine Avenue 195 Comment
  UCR93237  Eleusine indica A. C. Sanders 1994-7-27 15163 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 Comment
  POM13071  Elymus elymoides E. C. Jaeger 1921-6-25 s.n. Riverside Caramba, Palms to Pines Trail, San Jacinto Mountains., [Caramba Camp: 34 deg 47'N, 116 deg 37'25W] Comment
  UCR126483  Elymus elymoides Scott D. White 1997-5-18 5175 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  RSA249846  Elymus glaucus subsp. glaucus R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38111 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon 1677 Comment
  UCD62702  Elymus trachycaulus Alan A. Beetle 1946-6-10 4396 Riverside San Jacinto Mts., San Jacinto Mt. Near Idyllwild. 1219 Comment
  RSA172266  Emmenanthe penduliflora Robert F. Thorne 1963-3-29 32438 Riverside Eagle Mountains, Pumping Station, S side of Eagle Mountains; ca. 12 miles W of Desert Center 534 Comment
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Apr 24 2011
  RSA699653  Emmenanthe penduliflora Keith E. Hoffmaster 1934-4-8 s.n. Riverside Santa Ana Mts. Comment
  SD216486  Emmenanthe penduliflora Jay B. Walker 1995-5-4 1415 Riverside San Bernardino National Forest. Highway 74, 3 kilometers east of junction with Santa Rosa Mountain Road. 1399 Comment
  UC73689  Emmenanthe penduliflora Miss M. A. King 1893-1 Riverside Menifee 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
  UCR176189  Emmenanthe penduliflora Amber Bruno 2005-4-14 12 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
  UCR2854  Emmenanthe penduliflora J. Texera 1970-3-27 4 Riverside Sonoran (Colorado) Desert, c. 3 miles south of town of Palm Desert on dirt road continuation of Portola Avenue, 0.75 mile north of boundary fence of Deep Canyon Desert Research Center 207 Comment
  RSA0011255  Emmenanthe penduliflora M. B. B. 1932-3-13 s.n. Riverside Between Palm Springs and P. Canyon. Comment
  UCR157769  Emmenanthe penduliflora var. penduliflora T. B. Salvato, A. C. Sanders 2005-5-17 906 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
  POM356657  Encelia actoni Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA613907  Encelia californica A. C. Sanders, O. F. Clarke 1997-5-4 20672 Riverside Baeumont: near railroad on E side of Hwy 79, S of I-10 793 Comment
  CAS-BOT-BC131338  Encelia farinosa Ira L. Wiggins 1941-3-24 9578 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar Comment
  CAS-BOT-BC131348  Encelia farinosa E. A. McGregor 1917-3-17 770 Riverside West of Fig Tree [John's] Johns Comment
  LA34769  Encelia farinosa Mary V. Hood; 1942-6-13 42- 46 k* Riverside road from Temecula to Aguanga 426 Comment
  OBI16596  Encelia farinosa H. E. McMinn 1937-3-6 5017 Riverside About 40 mi N of Blythe; River rd Comment
  RSA789493  Encelia farinosa W. Blanchard 1932-4-16 s.n. Riverside Snow Creek [county not specified] Comment
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Jan 17 2016
  SEINET10958167  Encelia farinosa David B. Dunn 1946-2-22 Dunn 1969 Riverside Hidden Springs Canyon in the vicinity of the Palms. Comment
  POM305624  Encelia farinosa var. farinosa Henry J. Ramsey, Henry J. Ramsey 1937-3-2 875 Riverside Between Blythe and Parker. Comment
  RSA27348  Encelia farinosa var. farinosa C. L. Hitchcock 1940-4-2 5923 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  RSA0056204  Ephedra californica W. Marquart 1938-3-12 s.n. Riverside Mule Mountains south of Chuckawall Range. Comment
  UC813664  Ephedra fasciculata var. clokeyi I. W. Clokey 1935-4-17 6512 Riverside Cottonwood Springs Comment
  SBBG395  Ephedra nevadensis H. and M. Dearing 1942-3-10 4828 Riverside Dos Palmas Cyn, near Palms to Pines Hwy Comment
  UC1329984  Ephedra viridis James E. Cole 1941-4-10 509 Riverside Twin Tanks Joshua Tree National Monument, Twin Tanks Comment
  UCR266261  Epilobium brachycarpum D. E. Bramlet 2006-8-11 4044 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, west of Hemet at Hemet-Ryan Airport 459 Comment
  CAS-BOT-BC165934  Epilobium campestre A. C. Sanders; T. B. Salvato 2001-5-25 24376 Riverside San Jacinto Valley: west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  UCR266604  Epilobium campestre Mitch Provance 2011-6-6 17003 Riverside Edgemont area of Moreno Valley, from the northbound I-215 onramp at Allesandro Blvd., east to Old 215 Frontage Rd. 466 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
  RSA191412  Epilobium canum subsp. canum E. W. Lathrop, Thorne 1967-9-26 6610 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  SD122931  Epilobium canum subsp. canum Steve Boyd 1985-8-7 1109 Riverside Santa Rosa Plateau region, northwest base of Redonda Mesa on Tenaja Road, 0.8 mile east of junction with 8S01 and 8S02 Comment
  RSA44860  Epilobium canum subsp. latifolium J. C. Roos, L. Roos 1947-11-1 3754 Riverside Eagle Mountains, Lost Palms Canyon. 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
  UC20667  Epilobium canum subsp. latifolium H. M. Hall 1897-7-17 694 Riverside Strawberry Creek San Jacinto Mountains 1676 Comment
  UC56487  Epilobium ciliatum subsp. ciliatum E. E. Schellenger July, 1901 Riverside Thompson's Springs Comment
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Mar 22 2014
  RSA633882  Epilobium glaberrimum Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38156 Riverside San Jacinto Mountains: San Bernardino National Forest. Lake Fulmor. 1616 Comment
  POM157890  Epilobium pygmaeum P. A. Munz 1927-5-20 10802 Riverside Murrieta Hot Springs. Comment
  POM11162  Equisetum laevigatum Philip A. Munz 1922-6-27 5837 Riverside Santa Rosa Mountains, Santa Rosa. 1981 Comment
  RSA609039  Equisetum laevigatum L. C. Wheeler 1961-6-24 7903 Riverside San Jacinto Mountains: Strawberry Creek at Idyllwild Arts Foundation, Idyllwild. Comment
  IRVC27429  Eragrostis barrelieri A. C. Sanders, S. Ogg 1994-7-28 15168 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  RSA598034  Eragrostis mexicana subsp. mexicana F. M. Reed 1927-11-20 5680 Riverside Terraces Ranch [on Chicago Ave. near Tequesquite Arroyo] 244 Comment
  RSA522776  Eremalche exilis Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3883 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
  UCR77742  Eremalche exilis Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6032 Riverside Vail Lake, SW and W flanks of Billy Goat Mtn. 3 mi north of Hwy 79, 1 mi west of Hwy 371, north of Aguanga 880 Comment
  JOTR35337  Eremalche rotundifolia Harding, Mitzi, Mark Wheeler 2012-2-28 103 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; high saddle along wide ridge (Stop 3) 463 Comment
  RSA0107384  Eremalche rotundifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi S. Fraga 2011-3-17 766 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  RSA421558  Eremocarpus setiger M. M. Thompson 1947-6-9 C- 2065 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA570726  Eremocarpus setiger Steve Boyd, T. S. Ross, J. Travis Columbus 1993-10-23 8194 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  RSA506437  Eremogone ferrisiae Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mountains. Garner Valley, Hwy 74, across from Kenworthy Forest Station. Comment
  UCSB26816  Eremogone macradenia Wilken, Dieter 1969-6-30 Riverside Santa Rosa Springs; Santa Rosa Mtns. 2377 Comment
  UC68567  Eremothera boothii subsp. condensata H. M. Hall Apr. 1905 5804 Riverside 10 mi w Coachella; Colorado Desert 91 Comment
  JOTR35366  Eremothera refracta Harding, Mitzi, M. Wheeler 2011-1-26 150 Riverside Joshua Tree National Park. West Coxcomb Mountains; rocky foothills/slopes above bouldery wash (STOP4) 424 Comment
  UC667370  Eremothera refracta Annie M. Alexander and Louise Kellogg 1941-5-15 2184 Riverside n base of Eagle Mts. Colorado Desert 914 Comment
  UCR245259  Eremothera refracta Jim Andre 2012-3-19 21306 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
  UC52825  Eriastrum densifolium subsp. austromontanum Mr. Chas. Van Deventer July 1901 Riverside El Toro Mt.; w base 1371 Comment
  UCR126227  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-7-4 116 Riverside San Jacinto Mtns., Thomas Mtn. Road, 1.5 km west of Thomas Mtn. Campground, both sides of road 1939 Comment
  UC1051493  Eriastrum diffusum subsp. coachellae Herbert L. Mason 1952-4-7 14214 Riverside Palm Springs Palm Canyon. Comment
  UCR50890  Eriastrum eremicum A. C. Sanders 1988-5-11 7810 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  JOTR34196  Eriastrum eremicum subsp. eremicum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2989 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
  UC998336  Eriastrum eremicum subsp. eremicum H. K. Wagnon 1944-5-30 411 Riverside corner of Indian Ave and Ramon Road; Palm Springs Comment
  RSA0120672  Eriastrum harwoodii David Gowen 2008-3-25 822 Riverside Sand dunes about 3 miles south of Rice. Comment
  RSA0120673  Eriastrum harwoodii E. C. Jaeger 1939-4-2 s.n. Riverside Mission Creek, Colorado Desert. Comment
  UCR133444  Eriastrum sapphirinum Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 456 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR164934  Eriastrum sapphirinum T. B. Salvato, John F. Green 2004-5-27 623 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
  CAS-BOT-BC172852  Ericameria brachylepis A. C. Sanders 2004-7-1 28372 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, just off Wickard Rd. ca. 1 mile east of the Menifee-Antelope Community Hall, 5 miles due south of Sun City 476 Comment
  UCR85285  Ericameria cuneata Bern Schwenn 1994-4-17 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, north side of Hexie Mtns, near Hidden [and Stirrup] Tanks 1067 Comment
  UC527316  Ericameria linearifolia C. B. Wolf 1931-5-11 Riverside rocky ridges above Pipe Creek (above Hemet Valley); San Jacinto Mts. 1676 Comment
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Mar 24 2011
  HSC101315  Ericameria palmeri var. pachylepis A. C. Sanders, D. L. Sanders 2010-11-28 38694 Riverside Peninsular Range; NW Gavilan Hills: Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave 232 Comment
  RSA736981  Ericameria palmeri var. pachylepis Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10666 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  LA27286  Ericameria paniculata Lewis S. Rose; 1946-12-25 46307 Riverside San Gorgonia Pass, 5 mi. E of Cabazon, Comment
  CAS-BOT-BC131639  Ericameria parishii var. parishii Edmund C. Jaeger 1923-6-24 s.n. Riverside East slope of San Jacinto Mtn. 2133 Comment
  UC55177  Ericameria pinifolia Geo. R. Hall 1902-10-25 Riverside near Riverside Comment
  UC31492 Image available Erigeron breweri var. jacinteus H. M. Hall June, 1901 2322 Riverside near Tahquitz; San Jacinto Mountains; near Tauquitz, San Jacinto Mts. 2690 Comment
  POM80096  Erigeron foliosus Marcus E. Jones 1924-8-20 s.n. Riverside Idyllwild. Comment
  UCR179208  Erigeron foliosus Mitch Provance, Tracy Tennant 1998-6-16 MOR- 382 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon just south of Millard Guard Station 1037 Comment
  SEINET238580  Erigeron foliosus var. foliosus Scott D. White 1997-5-25 5248 B Riverside Hills S of Patton Ave. and W of Winchester Rd. ca 2 air miles SW of jtn. Winchester Rd./ Simpson Ave. 457 Comment
  UCR21955  Erigeron foliosus var. foliosus Steve Boyd 1980-6-4 317 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA180332  Erigeron foliosus var. stenophyllus E. W. Lathrop 1965-5-23 5767 Riverside Riverside, 8 miles W of Murrieta 610 Comment
  LA102172  Eriochloa acuminata var. acuminata Alfred R. Roos; 1937-11-28 sn Riverside E Washington St Comment
  UCR59841  Eriochloa contracta George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, W of Blythe, c. 0.5 mi. south of Hwy I-10 ['I-8'] , at Seeley Ave. [=16th Ave.] and Calif. Hwy 78 79 Comment
  HSC47469  Eriodictyon crassifolium Richard Spjut, C. E. Edson 1978-5-5 5022 Riverside Between Idyllwild and Banning along Hwy. 243 in the San Jacinto Mtns. 1220 Comment
  HSC84146  Eriodictyon crassifolium Sharon K. Dubois 1987-5-10 Riverside San Jacinto Mtn., 1 mi. up Bee Canyon off Hwy. 74 457 Comment
  POM320435  Eriodictyon crassifolium Greg Wright 1971-4-17 13 Riverside Corona Skyline Drive, Cleveland National Forest, SW of Corona. Before ascending the Mtns. Santa Ana Mts. 366 Comment
  RSA125984  Eriodictyon crassifolium E. K. Balls, P. C. Everett 1957-11-4 22743 Riverside Snow Creek, N. base of San Jacinto Mts. 701 Comment
  RSA289176  Eriodictyon crassifolium C. W. Tilforth, Walter Wisura 1981-8-10 2113 Riverside Along red Mtn. Rd. E of Hwy R3, S of Hemet, Riverside County. Comment
  UC880707  Eriodictyon crassifolium P. A. Munz 1922-4-28 5055 Riverside Leach Canyon , Leach Canyon (Santa Ana Mts.) 609 Comment
  RSA65229  Eriogonum apiculatum P. A. Munz 1937-5-30 15110 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  UC1051633  Eriogonum apiculatum Peter Kamb 1950-9-12 1930 Riverside ridge n North Fork of San Jacinto River (w side of Mt. San Jacinto); Mt. San Jacinto 2286 Comment
  JOTR29159  Eriogonum davidsonii La Doux, Tasha, K. Knudsen, J. Galvin 2005-8-22 1235 Riverside Joshua Tree National Park. Key's view Comment
  RSA393467  Eriogonum davidsonii Anstruther Davidson 1892-7-3 s.n. Riverside San Jacinto. Comment
  RSA639582  Eriogonum davidsonii Robert F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53569 Riverside Joshua Tree National Monument: Just S of San Bernardino Co. line near jct of road to Split Rock and 29 Palms; Valley W of Pinto Mountains. 1098 Comment
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Apr 25 2011
  UC6305  Eriogonum davidsonii H. M. Hall 1898-6-27 953 Riverside El Toro Mt. San Jacinto Mountains, El Toro Mt. 1828 Comment
  UCR103174  Eriogonum davidsonii Scott D. White, Julie Greene, Shelton Dowthit 1996-10-13 4623 Riverside San Jacinto Valley, Eastern foothills of valley (= 'Santa Rosa Hills'), south of Hemet 610 Comment
  UCR242669  Eriogonum davidsonii A. C. Sanders 2013-7-6 40844 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE side of town near south end of South Ridge, near junction of Tahquitz View Dr. and FS Rd. 5S11 1784 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
  CLARK-A1528-3733  Eriogonum elongatum John C. Roos 1975-12-6 Riverside 1219 Comment
  RSA522717  Eriogonum elongatum Steve Boyd, Tim S. Ross 1989-8-28 3808 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  SD132454  Eriogonum elongatum var. elongatum Scott White 1990-10-2 Riverside Vail Lake Area; Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  UCSB72295  Eriogonum fasciculatum Philbrick, Ralph 1953-6-1 Riverside Joshua Tree National Monument Comment
  UCR139640  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders 2004-6-30 28392 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
  UC849410  Eriogonum fasciculatum var. flavoviride Carl B. Wolf 1932-10-12 4293 Riverside Pinyon Well Colorado Desert, Litle San Bernardino Mts. 1219 Comment
  SD229218  Eriogonum fasciculatum var. foliolosum Dick Schwenkmeyer 2012-4-17 694 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  JEPS56973  Eriogonum fasciculatum var. polifolium J. Ewan 1930-4-17 2193 Riverside near mouth of Snow Canyon Snow Canyon 609 Comment
  JEPS56993  Eriogonum fasciculatum var. polifolium W. L. Jepson 1914-5-25 6066 Riverside San Gorgonio Pass 518 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
  RSA393349  Eriogonum fasciculatum var. polifolium Clyde Stratton 1943-7-23 s.n. Riverside Riverside Comment
  RSA0106806  Eriogonum gracile Jeremiah George 2012-5-17 s.n. Riverside Beaumont Bench, north slope facing San Timoteo Creek, north of Hwy 60 and south of Oak Valley Parkway, E of Potrero Blvd. 747 Comment
  UC574981  Eriogonum gracile C. Epling, Wm. Robison Jun 24 1933-Jun 27 1933 Riverside San Gorgonio Wash Little San Bernardino Mountains, San Gorgonio Wash Comment
  UCR20400  Eriogonum gracile var. gracile John C. Roos 1952-8-27 5888 Riverside Peninsular Range, Riverside; Pigeon Pass, Box Springs Mtns. 457 Comment
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Apr 16 2011
  CAS-BOT-BC270598  Eriogonum molestum James L. Reveal; C. Rose Broome 1987-6-27 6613 Riverside Along Morris Ranch Road, 1.9 mile northeast of California Highway 74 and about 1.5 mile northeast of Kenworthy Guard Station, about 8 airline miles southeast of Mountain Center, San Jacinto Mountains 1584 Comment
  RSA393696  Eriogonum molestum N. C. Cooper 1944-6-16 1558 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  CLARK-A1528-3678  Eriogonum nudum Robin Kobaly 1977-8-26 Riverside Comment
  RSA766361  Eriogonum nudum var. pauciflorum Joseph A. Ewan 1930-8-31 2132 Riverside Below north rim of Tahquitz Valley. San Jacinto Mts. 2591 Comment
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Nov 6 2011
  CAS-BOT-BC258241  Eriogonum pusillum Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  CLARK-A1045-122  Eriogonum pusillum George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  RSA64583  Eriogonum pusillum F. W. Peirson 1928-4-24 7912 Riverside Below Cottonwood Spring, northern edge of Colorado Desert. Comment
  SBBG1606  Eriogonum pusillum H. and M. Dearing 1942-3-7 4813 Riverside Cathedral City Comment
  UCD80952  Eriogonum reniforme Chuck Hughes 2009-3-23 63 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  UC218027  Eriogonum saxatile P. A. Munz and I. M. Johnston 1922-5-7 5284 Riverside Dry Morongo Wash Little San Bernardino Mountains 457 Comment
  CAS-BOT-BC263524  Eriogonum thomasii John H. Thomas 1957-3-30 6526 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
  CHSC8079  Eriogonum thomasii Edward L. Smith 1958-3-21 384 Riverside Located 6 mi. s of Rice, near Priest's Well. Little Santa Maria Mts. 365 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
  RSA0107796  Eriogonum thomasii Duncan S. Bell, Amanda Turek 2009-3-30 176 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  SBBG25047  Eriogonum thomasii D. Myrick 1966-4-1 1324 Riverside Desert Hot Springs, adjoining Linda Vista Lodge Comment
  UCSB18464  Eriogonum thomasii Winn, Will 1963-4-8 Riverside U.S. Highway 60-70; 29.2 miles W of Desert Center 304 Comment
  SEINET5331700  Eriogonum thomasii H. M. Hall 1905-4-1 5812 Riverside Colorado Desert, 10 mi. west of Coachella. Lower Sonoran Zone. 152 Comment
  RSA766488  Eriogonum thurberi Joseph A. Ewan 1932-4-8 s.n. Riverside Seven Palms near Garnet. Comment
  SEINET3160070  Eriogonum thurberi G. B. Grant 1906-5-1 440 -A Riverside on Colorado desert at Palm Springs Comment
  CAS-BOT-BC263588  Eriogonum trichopes Edmund C. Jaeger 1939-3-31 s.n. Riverside Boulder Well, north east of Desert Center Comment
  CLARK-A1045-212  Eriogonum trichopes George K. Helmkamp 1979-4-18 Riverside Indio Hills Dillon Road at dry wash; Lost Horse Mtn. 15'Q Comment
  UCR246556  Eriogonum trichopes Duncan S. Bell 2009-4-19 269 Riverside Arica Mountains, west side of range, c. 2.5 air miles SW of Priests Well 391 Comment
  LA207103  Eriogonum wrightii var. nodosum Louis C. Wheeler; 1933-12-1 2294 Riverside San Jacinto Mountains, Mouth of Tahquitz Canyon 152 Comment
  RSA423141  Eriogonum wrightii var. nodosum N. R. Zabriskie, Walter Zabriskie 1972-3-28 478 Riverside North Canyon, Andreas Canyon watershed, east slope San Jacinto Mts. 610 Comment
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Oct 1 2011
  UC126860  Eriophyllum ambiguum var. paleaceum H. M. Hall 1905-4-14 5760 Riverside near Palm Springs; Colorado Desert 150 Comment
  RSA249829  Eriophyllum confertiflorum R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38076 Riverside San Jacinto Mountains: San Bernardino National Forest. Hilltop above Lake Fulmor. 1676 Comment
  UCR137355  Eriophyllum confertiflorum 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
  SD133183  Eriophyllum confertiflorum var. confertiflorum Scott White 1991-5-13 91 85 Riverside Highway 79 immediately west of U. S. Forest Service Campground at Dripping Springs. 550 Comment
  UCR126441  Eriophyllum multicaule T. B. Salvato, A. C. Sanders, Mitch Provance et al. 2000-4-30 69 Riverside Riverside, Box Springs Mtns. along road to radio towers from reserve parking lot 854 Comment
  POM294262  Eriophyllum wallacei Lyman Benson 1945-3-29 11642 Riverside 2 miles south of Whitewater. 366 Comment
  RSA21482  Eriophyllum wallacei C. B. Wolf 1937-4-5 8417 Riverside San Gorgonio Pass, 1 mi. W. of Whitewater 365 Comment
  UC69060  Eriophyllum wallacei H. M. Hall 1905-5-1 6012 Riverside Cottonwood Springs Colorado Desert, Cottonwood Springs Comment
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Oct 9 2010
  UCR87616  Eriophyllum wallacei A. C. Sanders 1994-5-29 14579 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  UCR105429  Erodium botrys A. C. Sanders, O. F. Clarke 1997-5-4 20671 Riverside Beaumont, near railroad on east side of Hwy 79, south of Hwy I-10 793 Comment
  UCR97023  Erodium botrys Scott D. White 1997-2-28 4713 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  RSA198940  Erodium brachycarpum Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37435 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  JOTR31058  Erodium cicutarium La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2041 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  SDSU12924  Erodium cicutarium Jutta Buschbom 1991-5-1 37 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
  UCR174066  Erodium moschatum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32619 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 591 Comment
  RSA681034  Erodium texanum Scott D. White, Michael Honer 2003-5-14 9270 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UCR217555  Erodium texanum Jeff B. Galvin 2009-3-31 80 Riverside Peninsular Ranges, Oak Mountain, South slope of Oak Mountain. 4.5 km north of hwy 79 and 8 km west of Sage Rd. 622 Comment
  RSA763060  Erysimum capitatum E. W. Lathrop 1968-5-22 6926 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  UC455744  Erysimum capitatum I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2743 Comment
  RSA249838  Erysimum capitatum var. capitatum R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38102 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon 1677 Comment
  RSA0020060  Erythranthe guttata Philip A. Munz 1924-5-18 8137 Riverside 18 miles from Banning on Idyllwild Road [Hwy 243?]. 1524 Comment
  CAS-BOT-BC151589  Erythranthe parishii Louis B. Ziegler 1969-6-12 s.n. Riverside Hemet Valley, San Jacinto Mts. 1432 Comment
  RSA0014882  Erythranthe primuloides I. M. Johnston 1916-8-1 s.n. Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  RSA0014883  Erythranthe primuloides J. D. Olmsted 1959-7-7 740 Riverside Skunk Cabbage Meadow, 5 mi. east of Idyllwild. Tahquitz Creek drainage area. 2409 Comment
  JEPS51774  Eschscholzia californica W. L. Jepson 1914-5-25 6077 Riverside Beaumont Comment
  SEINET7073295  Eschscholzia californica A. G. Vestal 1963-4-27 s.n. Riverside Cottonwood Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  JEPS51706  Eschscholzia minutiflora L. M. Newlon 1922-4-4 450 Riverside Palm Canyon Comment
  RSA0110191  Eschscholzia minutiflora Duncan S. Bell 2010-4-2 711 Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; approximately 2.5 air miles northwest of Priest Well; collecting along a steep sand ramp at the head of the main western drainage for the mountain range. 559 Comment
  RSA292477  Eschscholzia minutiflora James Henrickson 1973-3-18 8608 Riverside Ca. 33 (air) miles E of Temecula, 5-7 miles SE of Terwilliger at N end of Coyote Canyon Rd., on the first steep grade down to canyon 762 Comment
  UCD94251  Eschscholzia minutiflora Shannon M. Still; Steven M. Still 2008-4-7 387 Riverside California. Riverside County: Joshua Tree National Park. 940 Comment
  UCR196351  Eschscholzia minutiflora Naomi Fraga, Lisa Rojas 2005-2-10 1397 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 361 Comment
  UCSB3648  Eschscholzia minutiflora Beeks, Richard 1952-4-4 Riverside 7 mi N or Mecca; in Box Canyon Comment
  RSA0022946  Eschscholzia minutiflora Anstruther Davidson 1903-5-1 s.n. Riverside Thermal Comment
  SEINET3094855 Image available Eschscholzia minutiflora var. darwinensis C. F. Shutts 1949-3-19 58 Riverside Cottonwood Pass, Little San Bernadino Mtns. 305 Comment
  CAS-BOT-BC419609  Eschscholzia parishii S. B. Parish 1907-4-15 6103 Riverside Whitewater. Western border of the Colorado Desert 400 Comment
  CAS-BOT-BC419620  Eschscholzia parishii Ynez Whilton Winblad 1937-3-21 s.n. Riverside Box Canyon, Coachella Valley Comment
  CAS-BOT-BC419632  Eschscholzia parishii J. C. Roos 1966-3-26 s.n. Riverside 2 miles S.E. of Desert Center Comment
  HSC101526  Eschscholzia parishii J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-18 12779 Riverside On rocky slope among granite boulders. 355 Comment
  UC667353  Eschscholzia parishii Annie M. Alexander and Louise Kellogg 1941-5-12 2155 Riverside 4 mi ne Cottonwood Spring (along main road); Colorado Desert, Eagle Mountains 914 Comment
  UCSB3660  Eschscholzia parishii Wilson, Richard 1958-3-22 Riverside 7 miles East of Desert Center on U.S Highway 60-70 Comment
  CAS-BOT-BC419642  Eschscholzia parishii Edmund C. Jaeger 1922-3-4 s.n. Riverside Painted Canon [Canyon], Colorado Desert Comment
  UC195337  Escobaria vivipara var. alversonii S. B. Parish 1916-5-13 10861 Riverside Shaver's Well; Colorado Desert Comment
  RSA715758  Eucrypta chrysanthemifolia A. C. Sanders 2005-4-22 29604 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  SD144470  Eucrypta chrysanthemifolia A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20700 Riverside San Jacinto Mtns: N side of range, Twin Pines Creek below the confluence with Brown Creek 854 Comment
  UC1424860  Eucrypta chrysanthemifolia var. chrysanthemifolia C. W. Tilforth 1978-4-30 1570 Riverside hills e Norco Comment
  UC1929299  Eucrypta chrysanthemifolia var. chrysanthemifolia Scott D. White, Jamie Minor 2008-3-13 11769 Riverside San Gorgonio Pass; Banning- S of Union Pacific Railroad, powerline route from Sunset Ave. to 1 mile W. Comment
  POM160074  Eucrypta micrantha E. C. Jaeger 1927-3-23 s.n. Riverside Beal's Wall, Colorado Desert Comment
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Apr 10 2017
  JOTR38694  Eulobus californicus Hodges, Stephen R. 2017-2-7 710 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  SDSU14100  Eulobus californicus Jonathan S. Austin, Michael G. Simpson 2002-4-20 16 Riverside Near parking area off Tornado road adjacent to riparian area north of Santa Margarita river, Santa Margarita Ecological Reserve. 233 Comment
  UCR35142  Euonymus occidentalis var. parishii L. B. Ziegler 1978-6-21 592 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon). 1677 Comment
  UCR245990  Euphorbia abramsiana Duncan S. Bell 2012-9-13 4176 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  POM147634  Euphorbia eriantha F. M. Reed 1927-3-20 5441 Riverside Eagle Canyon - at junction with Salt Creek. Colorado Desert. Comment
  UCR240064  Euphorbia eriantha A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40506 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  RSA0102792  Euphorbia lurida Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8586 Riverside Santa Rosa Mountains; collecting on forested slope between forest service road and the summit of Santa Rosa Mountain. 2324 Comment
  OBI2985  Euphorbia maculata Lewis S. Rose 1967-12-19 67179 Riverside La Quinta 15 Comment
  POM9771  Euphorbia misera E. C. Jaeger 1921-4-15 4415 Riverside Palm Springs 152 Comment
  JEPS26605  Euphorbia palmeri Peter Kamb 1948-7-4 1166 Riverside Hall Canyon; San Jacinto Mts 1645 Comment
  SEINET10739811  Euphorbia polycarpa David B. Dunn, Howard Brown 1947-1-12 Dunn 2838 Riverside Pushawalla Canyon, Indio Hills. Comment
  RSA0059013  Euphorbia polycarpa var. hirtella Edmund C. Jaeger 1939-12-3 s.n. Riverside Orocopia Mts. south of Hayfields Reservoir. 427 Comment
  UCR178313  Euphorbia serpillifolia T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 613 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  CHSC2042  Fagonia laevis V. Holt 1942-3-28 Riverside Comment
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Feb 16 2013
  RSA391196  Fagonia laevis Robert Gustafson 1981-4-7 2157 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  RSA391199  Fagonia laevis Ora M. Clark 1929-3-17 1752 Riverside S. La Quinta, Cali. Comment
  RSA600124  Fagonia laevis Louis C. Wheeler 1959-12-27 7645 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  RSA645637  Fagonia laevis Scott D. White 1999-4-20 7274 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe. 91 Comment
  SD45178  Fagonia laevis Helen K. Sharsmith 1952-4-11 4062 Riverside Northwest base of Chuckawalla Mountains seven miles south of Highway 60-70 533 Comment
  RSA0042384  Fagonia pachyacantha Duncan S. Bell, LeRoy Gross 2014-3-13 6233 Riverside Orocopia Mountains; southern section of range; approximately 1.75 west northwest of Clemens Well. 293 Comment
  UCD170915  Fatoua villosa A. C. Sanders 2004-8-10 28766 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) and south of Nuevo Rd., between San Jacinto River and Nuevo. 433 Comment
  UCR102191  Festuca myuros Jeri Hirshberg 1989-3-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta; small mesa SW of Mesa de Burro 579 Comment
  RSA528883  Festuca occidentalis M. Curto, Linda Allen 1991-6-26 771 Riverside 3km SE of Pine Cove on San Bernardino NF road 5S10. Comment
  UCR225508  Festuca octoflora A. C. Sanders 2011-3-30 38919 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
  RSA501077  Filago arizonica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-2 3195 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  RSA586249  Filago californica D. L. Banks 1995-4-11 0168 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, E of the Dripping Springs Trail. 950 Comment
  UCR232070  Filago californica John F. Green 2008-4-24 13- 02 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  UCR177862  Filago depressa Marisa Sripracha, K. A. Boyd 2004-3-21 044 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UCR48385  Filago gallica Steve Boyd 1986-5-7 1842 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  RSA69885  Forestiera pubescens F. W. Peirson 1922-5-21 3044 Riverside Hemet Valley, San Jacinto Mts 1372 Comment
  RSA0116269  Frankenia salina Mitch Provance, Ken Halama 2003-6-15 17046 Riverside Temescal Mountains: Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  SD146251  Frankenia salina A. C. Sanders, D. Bramlet, et al. 1999-10-15 23185 Riverside San Jacinto Valley; Mystic Lake. 436 Comment
  POM256728  Frasera parryi W. Pequegnat 1940-6-12 s.n. Riverside Near Los Puios Portrero. Santa Ana Mts. 823 Comment
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Jun 11 2012
  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
  RSA263768  Fraxinus dipetala E. W. Lathrop 1968-5-22 6900 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA715054  Fraxinus uhdei A. C. Sanders, T. B. Salvato 2003-5-21 26806 Riverside Elsinore Valley: Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UC1929896  Fraxinus velutina Scott D. White, Angelia Carey 2004-7-2 10598 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  RSA613145  Fritillaria biflora Darin L. Banks 1997-3-29 1653 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside/San Diego County line border. 463 Comment
  UCR81996  Fumaria officinalis Steve Morgan 1994-3-25 94- 2 Riverside UCR Botanic Garden Comment
  RSA458581  Funastrum cynanchoides var. hartwegii A. Menke 1955-5-22 s.n. Riverside Chino Canyon, Palm Springs, Riverside county. Comment
  SBBG50861  Funastrum cynanchoides var. hartwegii R. W. Woglum 1934-3-18 636 Riverside Snow Crk, (NW of Palm Springs) Comment
  RSA33833  Galium andrewsii subsp. andrewsii N. C. Cooper 1944-5-22 1244 Riverside Pinyon Flats, Palms to Pines Highway. San Jacinto Mtns. 1220 Comment
  UCR201497  Galium andrewsii subsp. andrewsii Scott D. White, Justin M. Wood 2008-6-17 12184 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  RSA0099989  Galium angustifolium subsp. angustifolium Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8580 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  UC1536779  Galium angustifolium subsp. angustifolium G. H. True 1935-4-10 220 Riverside Box Springs Sycamore Canyon Comment
  JOTR29244  Galium angustifolium subsp. gracillimum La Doux, Tasha 2005-8-8 1524 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Eureka Peak 1676 Comment
  UCR189590  Galium angustifolium subsp. jacinticum Andrea Salzman 2006-6-29 156 Riverside Peninsular Range, San Jacinto Mountain Range, Pine Cove off of Red Hill Road, 0.1 mi south of Alvin Meadow 1566 Comment
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Feb 19 2017
  CLARK-A1528-828  Galium aparine Fred B. Essig 1967-5-7 Riverside Box Springs Mountain 457 Comment
  POM367765  Galium aparine N. C. Cooper 1944-5-21 1236 Riverside San Jacinto Mountains, West side 915 Comment
  POM12870  Galium parishii Philip A. Munz 1922-7-6 6022 Riverside Near Hidden Lake. 2561 Comment
  SD70518  Galium porrigens var. porrigens Lauramay T. Dempster, G. Ledyard Stebbins 1966-6-17 4243 Riverside Red Hill Road, 0.9 mile north of Alvin Meadows, San Jacinto Mountains 1661 Comment
  UCR89531  Galium stellatum Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument. E side of Hexie Mtns., along Ruby Lee Well Road, between paved Pinto Basin Road and the divide. 823 Comment
  LA208442  Galium stellatum var. eremicum Martha Hilend; 1932-3-25 Riverside Chuckwalla Mountains, Chuckwalla Mts., about 3 mi above Corn Spring Comment
  UCR2434  Gastridium ventricosum F. M. Reed 1906-10-18 1197 Riverside Moreno Valley, along Perris [Blvd.] near Allessandro Blvd 479 Comment
  RSA0112043  Gaura A. C. Sanders, John F. Green 2012-5-27 40205 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  RSA796475  Geraea canescens Duncan S. Bell 2009-4-18 205 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  RSA391014  Geranium richardsonii M. B. Dunkle 1933-7-22 3748 Riverside Tahquitz Valley. 2317 Comment
  UCR118391  Gilia A. C. Sanders 1994-5-29 14583 Riverside Morongo Indian Reservation, along Fields Road in front of the Malki Museum, north of Morongo Road. 725 Comment
  UCR193128  Gilia A. C. Sanders, Tim Thomas 2008-6-20 35536 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  SD119885  Gilia achilleifolia Louis B. Ziegler 1972-6-5 474 Riverside San Jacinito Mountains. In a Canyon at the lower end of Poppet Flats. In full sun and semi shade. 1067 Comment
  SEINET7063436  Gilia achilleifolia subsp. multicaulis 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
  JEPS69452  Gilia angelensis W. L. Jepson 1901-5-17 1230 Riverside Riverside 266 Comment
  RSA606301  Gilia angelensis Jon E. Keeley 1994-4-22 25325 Riverside Shipley Reserve 670 Comment
  RSA72286  Gilia angelensis F. W. Peirson 1923-3-28 4129 Riverside North of Lake Elsinore near Brickyard. Comment
  UCR225729  Gilia angelensis A. C. Sanders, T. B. Salvato 2011-3-30 38898 Riverside Peninsular Range, city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  UCR261412  Gilia capitata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41420 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 439 Comment
  UCR31805  Gilia diegensis A. C. Sanders, Karen Kirtland, Don Emery, Jan West, P. Clark, and others 1982-4-17 294 Riverside San Jacinto Valley, San Jacinto River, c. 1 mi. east of the town of San Jacinto Comment
  SEINET3163624  Gilia latiflora G. B. Grant 1906-5-1 509 -6757 Riverside on Colorado Desert at Palm Springs, southern California Comment
  SEINET12278799  Gilia leptalea E. A. Purer 1935-1 6485 Riverside western edge of Colorado Desert Comment
  UC23663  Gilia ochroleuca subsp. exilis H. M. Hall June, 1901 2212 Riverside along water courses in the vicinity Strawberry Valley; San Jacinto Mountains, vicin Strawberry Valley 1600 Comment
  JOTR34199  Gilia stellata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2992 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
  RSA657234  Gilia stellata J. Mark Porter, Valerie Soza, Gary D. Wallace 2001-4-2 12330 Riverside Coachella Valley, along Big Morongo Wash, N of Indian Avenue, ca. 1.5 mi ESE jtn. with Hwy 62. 457 Comment
  RSA67730  Gilia stellata Verne Grant, Alva Grant 1952-4-1 17523 Riverside Near White Tank at summit of pass between Little San Bernardino Mountains and Pinto Mountains Comment
  RSA709879  Gilia stellata Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4624 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  UC1123761  Gilia stellata H. S. Yates 1937-3-24 6475 Riverside near mouth Deep Canyon; Thermal Quad., mouth of Deep Canyon Comment
  RSA718867  Gilia stellata Michael Honer, L. Hulse 2005-3-8 2038 Riverside Fargo Canyon; first main N-trending fork after entering canyon from bajada. Site of large long MWD aqueduct tunnel tailings pile. 457 Comment
  SD152893  Githopsis diffusa subsp. candida Steve Boyd, Tim Ross 1992-5-4 7178 Riverside Southern Santa Ana Mountains, Oak Flats area east of Verdugo Potrero. 730 Comment
  RSA618004  Glinus lotoides R. E. Riefner Jr. 1998-8-13 98 -471 Riverside Elsinore Trough. Wildomar Comment
  UCR24009  Glyceria elata John C. Roos 1965-7-3 s.n. Riverside San Jacinto Mtns., Dark Canyon, north fork of the San Jacinto River Comment
  CLARK-A1528-221  Gnaphalium californicum R. P. Sunderman 1968-5-1 4 Riverside Riverside 335 Comment
  UCR3183  Gnaphalium californicum Chuck Elliott 1964-5-7 s.n. Riverside Riverside, 1 mi past end of Canyon Crest Road west. 305 Comment
  RSA276715  Gnaphalium chilense John F. Emmel 1978-9-25 621 Riverside Santa Rosa Mts, Mtn Home Spring. 1921 Comment
  UCR201948  Gnaphalium luteoalbum Mike Misenhelter 2005-7-12 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 miles E of Sun City, c. 2 mi. SW of Winchester, Hemet U. School Distr. proposed elementary school site, 14 acres on south side of Salt Creek and NE of the intersection of Leon and Patton Rds. 444 Comment
  UCR41395  Gnaphalium luteoalbum N. M. Fellows, A. C. Sanders 1985-5-7 182 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  UCR110921  Gnaphalium palustre A. C. Sanders, K. C. Rose 1999-6-18 22824 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR263237  Gnaphalium palustre A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41453 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 439 Comment
  UCR281213  Gnaphalium palustre Mitch Provance, John Hazlett, Matt K. Beyers 2017-4-19 417- 52 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  RSA0112993  Gnaphalium thermale P. A. Munz, I. M. Johnston 1924-7-28 8807 Riverside Pine Flats, San Jacinto Mts. [original label says San Diego Co.] 1738 Comment
  RSA0004480  Godetia quadrivulnera var. hallii H. M. Hall 1905-06 6241 Riverside East base Box Springs Mt. 610 Comment
  SDSU18362  Guillenia lasiophylla C. Matt Guilliams 2008-2-27 482 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. 370 Comment
  UCR217796  Guillenia lasiophylla Jim Andre, T. La Doux 2010-2-28 12558 Riverside Lower Colorado River Valley, along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower 83 Comment
  CAS-BOT-BC304634  Gutierrezia californica Lewis S. Rose 1945-12-26 45330 Riverside Palm Springs 137 Comment
  RSA90697  Gutierrezia californica F. W. Peirson 1920-12-28 5298 Riverside Murray Canyon near Palm Springs Comment
  RSA773656  Gutierrezia sarothrae Duncan S. Bell, J. D. England 2010-10-5 1975 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 781 Comment
  SD229098  Gutierrezia sarothrae Dick Schwenkmeyer 2012-8-6 771 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  UCR120564  Gutierrezia sarothrae Helen Kennedy, T. B. Salvato 2002-2-2 5449 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  UCR13731  Gutierrezia sarothrae J. Gull 1973-7-30 s.n. Riverside Santa Ana River Valley, Hills east of Norco. Comment
  UCR260529  Gutierrezia sarothrae T. B. Salvato 2014-5-29 8041 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  RSA0066616  Harpagonella palmeri P. A. Munz, Ivan M. Johnston 1922-5-19 5335 a Riverside 5 mi NE of Murietta. 427 Comment
  RSA0066629  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-1 3116 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. 524 Comment
  UC1929308  Hedypnois rhagadioloides Scott D. White 2008-4-28 11913 Riverside San Gorgonio Pass; Banning, S of I-10 freeway and just N of San Jacinto Mountains toeslope. E of Sunset Ave; SCE powerline access road between Montgomery Creek and trailer park.. Comment
  POM14291  Helenium bigelovii E. C. Jaeger 1922-8-25 1008 Riverside San Jacinto Mtns: Skunk-Cabbage Meadow. 2226 Comment
  CAS-BOT-BC309386  Helenium puberulum H. M. Hall 1901-8-1 s.n. Riverside Vicinity of Riverside 259 Comment
  UCR119414  Helenium puberulum Mitch Provance 1998-6-20 705 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
  POM320325  Helianthemum scoparium var. scoparium David Wheat 1968-5-16 139 Riverside 7.7 miles W Washington Ave-Guava St, Murietta, in Rancho California, Santa Ana Mt. 244 Comment
  CAS-BOT-BC305452  Helianthus annuus F. A. Thackery 1928-5-22 416 Riverside Indio Comment
  UCR94950  Helianthus annuus Scott D. White 1996-9-22 4541 Riverside Perris Basin, Perris: Nuevo Road near intersection with Wilson Ave., west of the San Jacinto River crossing. 436 Comment
  RSA220973  Helianthus gracilentus E. W. Lathrop 1966-5-8 6431 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  UCR174043  Helianthus gracilentus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32521 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  UC1929931  Helianthus nuttallii subsp. nuttallii Scott D. White 2003-10-9 9816 Riverside San Jacinto Mountains: Pine Cove area. Lily Creek just north of crossing at Highway 243. San Jacinto Peak 7.5' Quad. Comment
  UCR202031  Heliotropium curassavicum Denise Woodard, G. Nuhn 1995-8-21 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd. 470 Comment
  RSA34522  Heliotropium curassavicum var. oculatum N. C. Cooper 1943-1 948 Riverside Hemet. 305 Comment
  RSA736313  Hemizonia fasciculata Scott D. White, Justin M. Wood 2008-3-25 11781 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  UCR139191  Hemizonia fasciculata Virginia Moran 2003-5-16 s.n. Riverside Johnson Ranch (managed by Center for Natural Lands Management), vicinity of Skunk Hollow and Santa Gertrudis Creek, 'knoll 1' on northern edge of first baseline transects established by CNLM 422 Comment
  UCR91991  Hemizonia fasciculata Michael A. Patten 1993-4-28 s.n. Riverside Winchester (near): roadside ditch at corner of Stowe and California 447 Comment
  RSA688832  Hemizonia kelloggii Scott D. White, Michael Honer 2003-4-9 8994 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
  UCR121895  Hemizonia kelloggii Ian G. Gillespie 2001-5-7 85 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as Sycamore Canyon Area. North of Indian Truck Trail, in drainage off of De Palma Road. Heavy construction currently underway in adjacent areas 335 Comment
  UCR85612  Hemizonia kelloggii Julie A. Greene, S. D. White 1993-7-5 1406 Riverside San Jacinto Valley, San Jacinto Wildlife Area, east of dirt road next to drying flood area. 433 Comment
  RSA679104  Hemizonia laevis Mark Elvin, Michael Wall 1996-5-13 177 Riverside San Jacinto Wildlife Preserve. ~ One mile past ranger station on dirt road. Comment
  UCR193747  Hemizonia mohavensis A. C. Sanders, Mitch Provance 2008-7-11 35751 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-BC140532  Hemizonia paniculata A. C. Sanders; T. B. Salvato 2003-5-21 26787 Riverside Elsinore Valley: Wildomar, old ranch parcel SE of Wesley St. & SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  RSA500533  Hemizonia paniculata Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3627 Riverside Vail Lake area, just S of Jtn Hwy 79 and road to Vail Lake Marina, Butterfield Valley. 457 Comment
  UCR166795  Hemizonia paniculata R. E. Riefner Jr. 2004-8-27 04- 398 Riverside N of La Sierra Heights; NE (c. 0.25 mi) off Arlington Avenue, along dirt access road to Hidden Valley Wildlife Reserve 221 Comment
  UCR260538  Hemizonia paniculata T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7993 Riverside Perris-Aguanga Basin, Menifee, south side of Bundy Canyon Road between Sunset Ave and Lynx Rd. 0.9 mi west of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.2 mi southeast of Canyon Lake 543 Comment
  UCR146889  Hemizonia pungens subsp. laevis Kathleen Stockwell 1999-6-6 s.n. Riverside Warm Springs Creek, Murrieta; 0.5 mi. south of Murrieta Hot Springs Road 320 Comment
  UCR202232  Hemizonia pungens subsp. laevis Karin Cleary-Rose 1998-9-7 s.n Riverside Perris-Aguanga Basin Region; San Jacinto River Valley, west edge of Hemet, east of Warren Rd., south of Esplanade and north of the Tres Cerritos Hills 460 Comment
  UCR230594  Hemizonia pungens subsp. pungens Jeremiah George 2011-8-9 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Moreno Valley, NW corner of Indian St. and Nandina Ave. 450 Comment
  UCR231748  Herniaria hirsuta subsp. cinerea John F. Green 2008-4-21 03- 04 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and Alabaster Loop, east of the San Jacinto River 457 Comment
  RSA286424  Hesperocallis undulata Mary H. O'Brien 1976-4-14 s.n. Riverside 0.4 mile N of Amboy Road and 3.4 miles east of Adobe Road in Twentynine Palms. 595 Comment
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Mar 29 2014
  UC843918  Hesperocallis undulata Mrs. Bradley 1922-4-10 Riverside near Mecca Comment
  RSA586142  Hesperocnide tenella D. L. Banks, Steve D. Boyd 1995-3-16 104 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. 610 Comment
  RSA583618  Heterocodon rariflorum Steve Boyd, Darin L. Banks 1995-3-30 8414 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  RSA586246  Heterocodon rariflorum D. L. Banks, S. D. Boyd 1995-3-30 0118 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 713 Comment
  UCSB41786  Heteromeles arbutifolia Sawyer, Patricia 1964-10-3 Riverside Highway 30, San Bernadino National forest. 609 Comment
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May 16 2016
  SD122196  Heterotheca grandiflora James C. Dice, J. DeWald 1987-9-28 729 Riverside North side of Temecula Gorge, near entrance to field station site, ca. 4.5 km east-northeast of Gavilan Mountain. Occasional weed in disturbed roadside habitats. (IPB 1/07) 330 Comment
  SEINET11261244  Heterotheca grandiflora Steve Boyd, Tim Ross; Dave Bramlet 1992-9-9 7675 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, for the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienega. Top of Tenaja Falls.; 0 396 Comment
  POM9845  Heterotheca horrida subsp. cinerascens E. C. Jaeger 1921-11-15 s.n. Riverside Morongo Pass Comment
  UCSB15429  Heterotheca sessiliflora subsp. echioides Breedlove, Dennis 1961-8-5 Riverside Along State Highway 74, 5 miles east of Keen Camp, Memet Valley, San Jacinto Mountains 1341 Comment
  UC144126  Heterotheca sessiliflora subsp. fastigiata Mrs. C. M. Wilder 1909-8-1 1114 Riverside Banning Canyon Comment
  SEINET3167706  Heterotheca sessiliflora var. sanjacintensis J. C. Semple, J. Chimielewski 1987-9-30 8985 Riverside CA-74, 12.7 km S of CA-243, S of Lake Hemet Comment
  SEINET10842397  Heterotheca villosa var. villosa David B. Dunn 1947-10-9 Dunn 3533 Riverside Joshua Tree National Monument at campground area by Hidden Valley. Comment
  RSA0063011  Heuchera E. C. Jaeger 1939-5-28 s.n. Riverside Pinon Alta Flats. 1828 Comment
  UC64040  Heuchera hirsutissima H. M. Hall 320 1/2 Riverside on the peak San Jacinto Mountains 3293 Comment
  CLARK-A1528-3226  Hibiscus denudatus John C. Roos 1939-4-6 4145 Riverside Orocopia Mountains Comment
  CAS-BOT-BC289175  Hilaria rigida J. Von Loh 1978-1-23 60325 A Riverside Palo Verde Mesa, 12 mi. W. of Blythe 121 Comment
  SEINET188385 Image available Hilaria rigida C. L. Hitchcock 1940-4-3 5934 Riverside Joshua Tree NM ; 1 1/2 mi NE of Cottonwood Spring along 29 Palms Rd Joshua Tree Nat Monument Comment
  UCR275426  Hilaria rigida Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 960 Riverside Sonoran (Colorado) Desert, Blythe-Rice Road, ENE of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  JOTR16639  Hirschfeldia incana Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. AT PROSPECT 1/2 MILE WEST SPLIT ROCK 1402 Comment
  CAS-BOT-BC207508  Hoffmannseggia glauca Marcus E. Jones 1929-9-16 24822 Riverside East of Desert Center Comment
  SBBG81643  Hoffmannseggia microphylla S. A. Junak 1983-3-23 1630 Riverside E side of Jefferson Rd, opposite entrance to Cahuilla Lake County Park, S of Indio Comment
  SEINET244670 Image available Hordeum depressum A. C. Sanders, D. Malueg 2001-5-17 24358 Riverside Perris-Aguanga Basin Region: gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, S of Scott Rd. 415 Comment
  RSA543932  Hordeum intercedens Steve Boyd 1991-5-13 6232 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  RSA601787  Hordeum intercedens D. E. Bramlet 1997-3-13 2497 Riverside Nichols Road Wetlands. This site is located aproximatly 183 m. southeast of Nichols Road, 91m west of Collier Ave. and 196m west of I-15., The locality is east of the existing dirt road extending south from Nicholas Rd. and adjacent to Alberhll Creek. 381 Comment
  UCR193482  Hordeum marinum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35601 Riverside Peninsular Range; San Jacinto Mtns., plateau above head of Johnson Meadow canyon, SW of dogleg in May Valley Rd. 1550 Comment
  RSA596934  Hordeum marinum subsp. gussoneanum A. C. Sanders, K. D. Jones, D. Malueng 1996-4-20 18042 Riverside San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel., (33 deg 49'N, 117 deg 09'W 433 Comment
  RSA509548  Hordeum murinum subsp. leporinum Ed LaRue 1989-4-14 s.n. Riverside Old agricultural fields 0.5 mile S of Lakeview. 457 Comment
  RSA522779  Hordeum murinum subsp. leporinum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3886 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
  UCR146261  Horkelia clevelandii Orlando Mistretta, Mark A. Elvin 1995-6-19 1772 Riverside Peninsular Ranges; San Jacinto Mountains, -- exact loc. unrecorded 1463 Comment
  UCR146439  Horkelia clevelandii R. F. Thorne, Et al. 1969-6-24 38078 Riverside Peninsular Ranges; San Jacinto Mountains, San Bernardino National Forest, above James Reserve in Hall Canyon 1677 Comment
  UCR20542  Horkelia clevelandii W. W. Mayhew 1977-7-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  CAS-BOT-BC537305  Horkelia cuneata var. puberula Marian L. Campbell 1921-3-18 79 Riverside near Banning Comment
  SBBG3448  Hosackia oblongifolia var. oblongifolia M. Lewis 1947-8-26 5 Riverside Dark Cyn 1981 Comment
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Jan 16 2012
  RSA0054880  Hugelia filifolia Keith E. Hoffmaster 1937-6-6 757 Riverside Near Valle Vista, Hemet Valley. Comment
  RSA752117  Hulsea heterochroma Scott D. White, Justin M. Wood 2009-5-21 12841 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  RSA396464  Hulsea vestita subsp. callicarpha Walter Wisura 1987-5-21 4159 Riverside 5.5 mi fr. Hwy. 74 along forestry rd. 6S13, S of Lake Hemet towards Thomas Mt. San Jacinto Range. Comment
  SDSU1684  Hulsea vestita subsp. callicarpha D. F. Howe 1941-6-8 1281 Riverside San Jacinto Mts. 1524 Comment
  RSA302002  Hymenoclea salsola Jim Shevock 1971-3-5 738 Riverside Box Canyon, near Mecca. 305 Comment
  RSA66566  Hymenolobus procumbens F. W. Peirson 1921-4-11 2398 Riverside Murray Canyon. Palm Springs region. Comment
  RSA458205  Hypericum androsaemum H. E. Hasse 1892-7-3 s.n. Riverside San Jacinto [could be San Jacinto Mtns., or could be San Jacinto Riv. near City of San Jacinto but probably mtns., based on species] Comment
  UCR97886  Hypochaeris glabra A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19852 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  CAS-BOT-BC219760  Hyptis emoryi Marcus E. Jones 1926-1-21 s.n. Riverside Yaqui Well, Colorado Desert Comment
  CLARK-A1656-732  Hyptis emoryi unknown 1981-3-14 Riverside Coachella Valley Comment
  POM310159  Hyptis emoryi Hulda Crooks 1946-3-2 250 Riverside Palm Springs area. 139 Comment
  POM6882  Hyptis emoryi P. A. Munz 1919-3-25 2304 Riverside Palm Springs. Comment
  RSA420170  Hyptis emoryi N. C. Cooper 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Comment
  RSA704591  Hyptis emoryi LeRoy Gross 2005-3-3 1590 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 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
  UCR131018  Hyptis emoryi Karen Kirtland 1998-11-6 s.n. Riverside Sonoran (Colorado) Desert, sand and gravel mine c. 8 miles (airline) north of Blythe, SW of Big Maria Mtns. on Midland Road 137 Comment
  UCR275512  Hyptis emoryi D. E. Bramlet 2010-3-1 4456 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  SBBG62883  Isocoma acradenia M. N. Ackley 1928-4-2 Riverside Coral Reef Ranch, Coachella Valley -13 Comment
  RSA342043  Isocoma acradenia var. eremophila R. F. Thorne 1980-4-16 54104 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  SBBG38028  Isocoma acradenia var. eremophila T. L. Secrest 1950-5-12 Riverside near Indio Comment
  RSA619794  Isocoma menziesii A. C. Sanders, K. C. Rose 1998-9-29 22244 Riverside San Jacinto Valley; west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills. 459 Comment
  UCR281878  Isocoma menziesii Mitch Provance 2012-11-9 1112- 18 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  POM359614  Isocoma menziesii var. vernonioides Albert J. Perkins 1915-9-25 s.n Riverside Pachappa Mt Comment
  CAS-BOT-BC69864  Isoetes orcuttii Robert F. Thorne 1973-5-23 43853 Riverside Santa Rosa Plateau: N. side of Mesa de Colorado. 609 Comment
  UCR193356  Isoetes orcuttii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35627 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek 1585 Comment
  UCR22501  Isomeris arborea var. arborea C. S. Jones 1979-2-24 8 Riverside Sonoran (Colorado) Desert, 4 miles southeast of Eagle Mountain., near old Eagle Mtn. Road 305 Comment
  POM4803  Iva axillaris subsp. robustior I. M. Johnston 1928-5-30 2014 Riverside Temescal Canyon. 366 Comment
  CLARK-A1528-3025  Juglans californica John C. Roos 1952-6-25 5789 Riverside Riverside 259 Comment
  UCR189780  Juglans californica var. californica Amy Rowland 2007-8-31 103 Riverside Peninsular Ranges, Perris-Aguanga basin, Off Rawson Rd in parcel 31 of Lake Skinner Reserve 501 Comment
  CAS-BOT-BC413814  Juglans regia R. E. Riefner, Jr. 2014-10-1 14 -365 Riverside City of Lake Elsinore, S of Lincoln St., W of Hwy. 74 at Flannery St. 402 Comment
  UC1930100  Juncus arcticus var. mexicanus Scott D. White, Justin Wood 2008-6-5 12062 Riverside San Jacinto Mountains: Quinn Flat Meadow. Comment
  UCR133386  Juncus balticus Tracy Tennant, T. B. Salvato 1998-6-23 495 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  PASA628  Juncus bufonius Frank W. Peirson 1922-4-29 Riverside South side Lake Elsinore Comment
  UCR156615  Juncus bufonius var. congestus T. B. Salvato, A. C. Sanders 2005-5-17 899 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
  UCR180060  Juncus bufonius var. congestus Mitch Provance 2005-5-18 9815 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UCR132827  Juncus dubius A. C. Sanders, Steve Boyd, Jeff Ross, , Mitch Provance 1998-10-25 22274 Riverside San Jacinto Mtns., Hwy 74, roadside seep c. 2 miles below (west of) Mountain Center 1250 Comment
  UCR201666  Juncus effusus Scott D. White, Justin M. Wood 2008-6-18 12233 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  UCR24956  Juncus macrandrus A. C. Sanders 1980-8-23 1759 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  RSA192132  Juncus macrophyllus H. A. Zuill 1966-7-17 293 Riverside About 9 miles SW of Murrieta on the De Luz Road. Comment
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May 26 2008
  RSA180435  Juncus mexicanus E. W. Lathrop 1960-6-8 4822 Riverside 14 miles west of Murrieta Comment
  UC1106411  Juncus mexicanus Peter Kamb 1948-7-4 1164 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  UCR133334  Juncus mexicanus John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR167809  Juncus rugulosus T. B. Salvato, Melissa Clemons 2005-6-23 1317 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  SD86554  Juncus textilis Ken Hedges 1972-10-17 Riverside In marshy area, Cahuilla Valley, south of Anza. Comment
  UCR108837  Juncus xiphioides O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  RSA353678  Juniperus californica N. C. Cooper 1943-10-9 960 Riverside Riverside. (Camp Hahn.) Dry hillside. Near March Air Force Base. 457 Comment
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May 13 2011
  CAS-BOT-BC234592  Justicia californica Marcus E. Jones 1926-1-20 s.n. Riverside Yaqui Well, Colorado Desert Comment
  GMDRC9805  Justicia californica J. M. Andre 2017-3-1 38022 Riverside Chuckwalla Bench: along Red Cloud Rd, 2.5 mi. SSE of junction Interstate 10, between Orocopia and Chuckwalla Mtns 473 Comment
  RSA398812  Justicia californica I. M. Johnston 1917-4-4 s.n. Riverside Near Palm Springs. Comment
  SEINET3829069  Kallstroemia californica Amber Swanson, Linda Jean Foster 2011-1 632 Riverside Colorado Desert; Western Colorado Desert region. Sandy flats N off of Blythe Rice Rd. 237 Comment
  UCR251725  Kallstroemia californica Deidre Conocchioli, Billy Sale, Naomi Fraga 2013-9-25 55 Riverside Sonoran (Colorado) Desert, 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 I-10 exit ramp 334 Comment
  POM44746  Keckiella antirrhinoides Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA509539  Keckiella antirrhinoides Ed LaRue 1989-4-12 s.n. Riverside Midway between Mead Valley and March Air Force Base. 518 Comment
  SD143711  Keckiella antirrhinoides Andy C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20698 Riverside San Jacinto Mountains: N side of the range, Twin Pines Creek below the confluence with Brown Crk. 854 Comment
  NY786769  Keckiella antirrhinoides var. microphylla A. M. Alexander 1941-5-24 2215 -a Riverside North base of Eagle Mountains 1158.2 Comment
  UCR24469  Keckiella rothrockii subsp. jacintensis John C. Roos 1937-8-18 2534 Riverside San Jacinto Mtns, Hidden Lake Comment
  POM49562  Koeleria macrantha P. A. Munz 1924-7-28 8810 Riverside Pine Flats 1738 Comment
  CAS-BOT-BC61420  Krameria bicolor K. Larson 1976-6-10 2034 Riverside About 30 mi. E of Indio. S. of Chiriaco Summit Comment
  CLARK-A1656-808  Krameria grayi Jon Mark Stewart 1982-5-15 Riverside San Jacinto Mountains 975 Comment
  UC449696  Krameria grayi unknown 1917-5-19 3858 Riverside Palm Canyon; near palm grove Comment
  CSUSB1163  Krameria parvifolia Wayne White 1975-5-17 Riverside Chuckwalla Mountains On Red Cloud Road, off Highway I-10, Chuckwalla Mountains. Colorado Desert. 484 Comment
  UCR166801  Kyllinga brevifolia R. E. Riefner Jr. 2004-9-25 04- 443 Riverside City of Corona; Green River Road, c. 0.8 mi south of 91 freeway overpass, Green River Golf Course at Santa Ana River 153 Comment
  RSA696130  Lactuca serriola A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24604 Riverside Mojave Desert, Little San Bernardino Mtns.: Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1341 Comment
  CAS-BOT-BC272429  Lamarckia aurea Steve Boyd 1986-4-2 1636 Riverside Harford Springs County Park, Gavilan Plteau, Gavilan Hills 640 Comment
  POM10522  Lamarckia aurea C. F. Baker 1909-04 s.n. Riverside Riverside. Comment
  CAS-BOT-BC183259  Larrea tridentata James R. Shevock 1986-3-23 11357 Riverside Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  RSA0121415  Larrea tridentata Duncan S. Bell, LeRoy Gross 2016-3-30 9183 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  RSA390014  Larrea tridentata Christopher Davidson, B. Gustafson 1977-4-7 5568 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
  RSA59634  Larrea tridentata Verne Grant, Alva Grant 1950-4-9 8832 Riverside eastern foothills of Santa Rosa Mts, near Indio. Comment
  UC571107  Larrea tridentata Margaret Stason 1927-3-12 Riverside Painted Canyon; Colorado Desert Comment
  UCR60785  Larrea tridentata Steve Boyd, Orlando Mistretta 1986-3-13 1418 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 244 Comment
  CAS-BOT-BC352707  Lasthenia coronaria C. L. Hitchcock; C. V. Muhlick 1962-3-16 22125 Riverside Temescal Canyon, 8 mi. S of Corona Comment
  JEPS9698  Lasthenia coronaria W. L. Jepson 1939-4-17 19134 Riverside near Twin Sprs. (n end of Temescal Canyon); Temescal Canyon 274 Comment
  RSA678113  Lasthenia coronaria Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1088 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 Comment
  SBBG7751  Lasthenia coronaria H. and M. Dearing 1939-4-6 3099 Riverside near Aguanga Comment
  UCR101839  Lasthenia coronaria B. G. Pitzer 1997-4-1 3061 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  UCR250130  Lasthenia coronaria A. C. Sanders 2014-4-9 40996 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.18 km southeast of El Hermano Rd., NW of Corona (Lee) Lake 316 Comment
  RSA550485  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-29 2246 Riverside San Jacinto Nuevo Y Potrero. The site is located some 150m to 762m. Wst of Gilman Springs Road (Hwy 79) just northwest of the Quail Ranch golf course. It is approximatly 600m to 1300m south of Bold Style Ave. 435 Comment
  POM356985  Lasthenia gracilis R. F. Thorne 1973-5-23 43868 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  UCR183008  Lasthenia gracilis Mitch Provance 2003-5-5 4418 B Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  RSA674762  Lathyrus vestitus Scott D. White, Pam De Vries 2000-4-25 7733 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  UC864430  Lathyrus vestitus var. vestitus P. A. Munz and I. M. Johnston 1922-5-19 5397 Riverside San Jacinto Canyon 1371 Comment
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Oct 1 2011
  RSA771678  Layia glandulosa Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4988 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
  UC1792810  Layia glandulosa T. B. Salvato, John F. Green 2004-5-27 705 Riverside San Bernardino Mtns: head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1402 Comment
  CAS-BOT-BC379628  Layia platyglossa L. R. Abrams 1935-4-7 13669 Riverside Gavilan Hills, 2 mi. SW of Perris Comment
  RSA92258  Layia platyglossa F. W. Peirson 1922-5-19 3042 Riverside Hemet Valley, San Jacinto Mountains. 1341 Comment
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Dec 16 2012
  RSA0048494  Layia platyglossa Nancy Anderson 1955-5-21 s.n. Riverside Hemet Meadow. 1371 Comment
  POM4845  Layia platyglossa subsp. campestris H. M. Hall 1902-4-22 2951 Riverside Vicinity of Riverside County. 305 Comment
  RSA262086  Layia platyglossa subsp. campestris E. W. Lathrop 1968-6-2 6951 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA0086779  Lemna R. G. Swinney 1967-2-4 14060 Riverside Snow Creek. 305 Comment
  RSA352157  Lemna minor Wayne P. Armstrong 1985-6-29 1240 Riverside Fulmor Lake -- on Highway R1 NW of Idyllwild. 1524 Comment
  UCR101388  Lepidium densiflorum A. C. Sanders, K. C. Rose 1998-9-29 22243 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  UCR111983  Lepidium lasiocarpum A. C. Sanders, T. B. Salvato 2000-5-25 23409 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR60563  Lepidium latifolium Don Mitchell 1990-1-3 s.n. Riverside Woodcrest, south of Van Buren and west of Washington Comment
  RSA429931  Lepidium nitidum var. nitidum N. C. Cooper 1944-3-24 1034 Riverside Banning. 701 Comment
  SDSU18755  Lepidium nitidum var. nitidum C. Matt Guilliams 2008-2-13 457 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 451 Comment
  RSA561806  Lepidium virginicum Steve Boyd 1992-4-14 6838 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  UC56975  Lepidium virginicum var. pubescens H. M. Hall May 1901 1905 Riverside se base San Jacinto Mt. 1356 Comment
  CAS-BOT-BC329440  Lepidospartum squamatum Lewis S. Rose 1935-12-21 35678 Riverside Colorado Desert. Whitewater Wash, 3 mi SE of Palm Springs Station 304 Comment
  UCR24007  Leptochloa filiformis John C. Roos 1958-9-28 s.n. Riverside Sonoran (Colorado) Desert, Coachella Comment
  UCD63996  Leptochloa fusca subsp. uninervia W. W. Winslow 1939-8-9 Riverside Riverside. Comment
  SEINET3005063  Leptochloa uninervia G. Rink 2011-4-30 10501 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  SDSU3131  Leptodactylon californicum Stan Mather 1938-5-13 Riverside Lake Elsinore. Comment
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Jul 8 2009
  UC1618004  Leptosiphon Donald G. Nelson 1936-5-23 404 Riverside San Jacinto Mountains. Idyllwild, Fern Canyon, among forest of pines. Comment
  SD63336  Leptosiphon floribundus subsp. floribundus Walter Bertsch 1957-6-29 951 Riverside Desert slope of Toro Peak, Santa Rosa Mountains. 2438 Comment
  SD81281  Leptosiphon lemmonii Darley F. Howe 1969-5-15 4590 Riverside Near Cripping Springs Campground. 456 Comment
  UC1930075  Leptosiphon liniflorus Scott D. White, Michael Honer 2003-5-27 9406 Riverside Gavilian Hills / Temescal Canyon: Hils and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake Street exit. Collected south and/or west of unnamed peak 2349. (Lake Elsiniore & adjacent Alberhill) Comment
  UCR229518  Lessingia filaginifolia Jeremiah George 2011-9-8 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, Terra Cotta Rd. at Coal Ave, Warm Springs Valley 409 Comment
  RSA0094098  Lessingia glandulifera var. glandulifera Duncan S. Bell, Evan Meyer, Sonia Pena 2015-10-20 8724 Riverside Santa Rosa Mountains; above Garnet Queen Creek, approximately 2 air miles northwest of the summit of Santa Rosa Mountain. 1783 Comment
  SBBG27981  Lessingia glandulifera var. glandulifera J. T. Howell 1927-8-2 2929 Riverside rd to Hemet, Mt San Jacinto Comment
  SBBG94651  Lessingia glandulifera var. glandulifera S. D. White 1990-10-8 Riverside Vail Lake area, Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  UCR108866  Lessingia glandulifera var. glandulifera Heidi A. Haid 1968-9-24 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR92157  Lessingia glandulifera var. glandulifera D. L. Banks, Steve Boyd 1995-10-17 757 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Mtns, Agua Tibia Wilderness Area. Along lower Arroyo Seco, south of the Dripping Springs Campground. Along the broad alluvial benches north of where Arroyo Seco turns to the east 512 Comment
  UCR201637  Limnanthes gracilis Scott D. White, Justin M. Wood 2008-6-18 12218 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  JOTR34071  Linanthus bigelovii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2968 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  RSA525324  Linanthus bigelovii Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4455 Riverside Vail Lake area, benches along Kolb Crk., W of Dripping Springs, N of Hwy 79. 487 Comment
  CLARK-A1528-3472  Linanthus dianthiflorus John C. Roos 1950-4-15 4735 Riverside Reche Canyon 761 Comment
  RSA525248  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, T. S. Ross 1990-5-11 4626 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  POM158446  Linanthus dianthiflorus subsp. farinosus P. A. Munz 1927-5-21 10858 Riverside San Carlos Pass, east of Ansa. 1372 Comment
  JOTR34179  Linanthus dichotomus subsp. dichotomus Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 140 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
  RSA0053904  Linanthus floribundus Tracy Tennant, Mitch Provance 1998-6-16 MOR- 409 Riverside Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  UCR155950  Linanthus floribundus Scott D. White 1994-4-23 2030 Riverside San Bernardino Mtns, Millard Canyon, c. 8 air mi. north of Cabazon. USFS Rd 2S05.2, c. 0.3 mi. south of junction of 2S05.2 & 2S05B; c. 1.7 mi. south of Deer Spring & 1 mi. SW of Bear Wallow Spring 1311 Comment
  POM126309  Linanthus jonesii R. Craig 1927-4-2 38 Riverside Canyon near hidden spring. Comment
  UC133795  Linanthus lemmonii T. S. Brandegee 1902-5-19 Riverside Banning Comment
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Mar 13 2011
  UCR220141  Linanthus lemmonii D. E. Bramlet 1990-4-27 1984 B Riverside Peninsular Range, Ridgeline 2100-2500 ft. (c. 0.4 mi.) NE of knoll '2502,' and 1200-1500 ft. (~ 0.21 mi.) west of Rawson Canyon 671 Comment
  RSA586846  Linaria canadensis D. L. Banks, Steve D. Boyd 1995-5-3 265 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
  UCR116851  Linaria canadensis var. texana A. C. Sanders, Steven R. Hill 2001-5-4 24142 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
  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
  POM296034  Linum usitatissimum Lyman Benson 1945-3-29 11619 Riverside San Gorgonio Pass, 5 miles east of Banning. 610 Comment
  RSA0018463  Lithophragma affine N. C. Cooper 1949-6-29 4346 Riverside Pine Cove. 1829 Comment
  RSA525352  Loeflingia squarrosa Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4450 -A Riverside Vail Lake area, benches along Kolb Creek, W of Dripping Springs, N of Hwy 79. 488 Comment
  UCR116784  Loeflingia squarrosa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24164 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR174322  Loeflingia squarrosa A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32561 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
  SD137812  Loeflingia squarrosa var. squarrosa Darin L. Banks, Steve Boyd 1995-5-3 207 Riverside Agua Tibia Mountains Water Shed;Cleveland National Forest, Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain. 495 Comment
  UC8323  Loeflingia squarrosa var. squarrosa Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UC1563139  Loeseliastrum matthewsii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-6-4 3650 Riverside s.e. Vail Lake (just n. of Hwy. 79, Temecula Creek); Vail Lake area, Temecula Creek 487 Comment
  JEPS69829  Loeseliastrum schottii M. French Gilman 715 Riverside e. Palm Springs (Mt. San Jacinto); Mt. San Jacinto Comment
  RSA172223  Loeseliastrum schottii R. F. Thorne 1963-3-29 32387 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  RSA468344  Loeseliastrum schottii Robert Gustafson, Gary D. Wallace 1982-5-19 2569 Riverside Pines to Palms Hwy (Hwy. 74), vicinity of Pinyon Flat campground. Comment
  UC68770  Loeseliastrum schottii H. M. Hall Apr., 1905 5929 Riverside Colorado Desert, McCoy Wash 91 Comment
  CAS-BOT-BC342254  Logfia filaginoides Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4044 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  SD140195  Logfia filaginoides Scott White 1993-4-22 1253 Riverside North Alberhill Ranch, in hills north of Walker Canyon. 487 Comment
  SEINET251655 Image available Lolium perenne John Green 2005-5-4 Riverside Perris-Aguanga Region: SE corrner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base (Steele Peak 7.5 'Q) Comment
  RSA691957  Lomatium dasycarpum Scott D. White, Michael Honer 2003-4-9 8980 Riverside About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  UCR34985  Lomatium utriculatum L. B. Ziegler 1969-5-5 345 Riverside Peninsular Ranges, San Jacinto Mtns, Hemet Valley ( = Garner Valley), near Pine Meadows 1437 Comment
  RSA643451  Lonicera subspicata A. C. Sanders 1995-11-26 17910 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga & Anza, S of Hwy 371. Small cyn crossing Spanish Spur Trail ca. 0.1 mi. N of Deer Spr. Trail, 0.2 mi N of Kearsarge Rd. NE/4 sec. 22. 1189 Comment
  SD234349  Lonicera subspicata Wayne Law, Jun Hu 2000-5-16 20 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi S of Corona (Alberhill 7.5'Q) 395 Comment
  SBBG69588  Lonicera subspicata var. denudata V. Duran 1933-7-3 3496 Riverside Vandeventer Flat 1524 Comment
  UC1366096  Lonicera subspicata var. denudata K. R. Montgomery 1969-9-6 69 -17 Riverside 18 mi s Hemet (Wilson Valley Road) 1219 Comment
  UCR59530  Lonicera subspicata var. johnstonii Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3616 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  CAS-BOT-BC198548  Lotus W. P. Vestal; A. G. Vestal 1947-3-30 s.n. Riverside About 2 miles up San Jacinto Canyon. 518 Comment
  RSA0035627  Lotus John F. Emmel 1986-5-7 1002 Riverside San Jacinto Mts.; junction Bee Canyon Road and San Jacinto Ridge Road. 792 Comment
  POM1865  Lotus argophyllus var. argophyllus H. M. Hall 1902-04 2899 Riverside Vicinity of Sage 762 Comment
  UCR17301  Lotus grandiflorus Tim Robertson 1971-5-14 s.n. Riverside San Jacinto Mtns, graded turnout areas on Hwy 74, midway between Valle Vista and Mountain Center. Comment
  RSA627503  Lotus heermannii Scott D. White 1998-7-31 6943 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  UC62919  Lotus heermannii H. M. Hall Jun 1901 2022 a Riverside s side Shingle Valley; San Jacinto Mountains 1341 Comment
  RSA586334  Lotus heermannii var. heermannii D. L. Banks, S. D. Boyd 1995-5-3 0199 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
  UCR242666  Lotus nevadensis A. C. Sanders 2013-7-6 40856 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at junction with small side road 1905 Comment
  RSA406172  Lotus nevadensis var. nevadensis M. B. Dunkle 1933-7-20 3702 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCR20890  Lotus nevadensis var. nevadensis A. C. Sanders 1978-7-1 00339 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  RSA704854  Lotus oblongifolius J. R. Bruff 1934-6-19 553 Riverside Idyllwild Comment
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Jul 29 2010
  UC80779  Lotus oblongifolius var. oblongifolius A. W. Anthony 1895-7-13 Riverside San Jacinto Mts. Comment
  CDA27284  Lotus rigidus T. C. Fuller 1963-4-23 10293 Riverside Sac Jacinto Mountains; Highway 47 to Palm Desert just east of Pinyon Flat. 0 Comment
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Sep 4 2011
  JOTR31881  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
  POM259687  Lotus rigidus P. A. Munz 1940-3-23 15717 Riverside 3 miles north of Cottonwood Springs, Eagle Mts. 915 Comment
  RSA406790  Lotus rigidus N. R. Zabriskie, Walter M. Zabriskie 1970-6-1 328 Riverside Andreas Canyon area, east slope San Jacinto Mts. 427 Comment
  RSA697973  Lotus rigidus J. R. Bruff 1927-11-26 39 Riverside Cottonwood Springs vicinity. Comment
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Jul 7 2012
  SEINET3563120 Image available Lotus rigidus I. W. Clokey 1935-4-17 6711 Riverside Cottonwoods Springs Comment
  RSA0025520  Lotus rigidus John F. Emmel 1986-4-12 995 Riverside Little San Bernardino Mtns: upper Berdoo Canyon. Locality also includes Quarter S 1/2. Section 31, Township 3S, Range 9E. 1372 Comment
  CSUSB1260  Lotus scoparius Randy Salstrom 1966-4-12 Riverside Bottom of canyon, 100 yards from east end of Blaine Street in Box Springs Mountains in Riverside. 277 Comment
  RSA406899  Lotus scoparius var. brevialatus M. B. Dunkle 1932-3-25 2879 Riverside Cabezon. Comment
  RSA757778  Lotus scoparius var. brevialatus LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4330 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  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
  RSA406896  Lotus scoparius var. brevialatus N. C. Cooper 1947-4-5 2117 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  HSC78066  Lotus strigosus R. A. Eagle 1964-3-28 21 Riverside 7 mi. out of Palm Springs on the Thunderbird Rd. Comment
  RSA653428  Lotus strigosus Scott D. White 1999-5-24 7395 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  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
  SEINET7063237  Lotus strigosus A. G. Vestal 1963-5-19 s.n. Riverside Open bush country about 3.6 miles northeast of Aguanga on Route 371 [on the Cahuilla Road]. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 887 Comment
  SEINET7073298  Lotus strigosus A. G. Vestal 1963-4-27 s.n. Riverside Cottonwood Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR112063  Lotus strigosus Mitch Provance, Seychelle Provance, Juanita Provance, Claude Provance 1999-4-4 1722 Riverside Riverside, 'Whitegates Hills', c. 0.125 miles north of Overlook Pkwy. 381 Comment
  UCR238485  Lotus strigosus Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 160 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak 213 Comment
  RSA621874  Lotus strigosus var. hirtellus R. S. Woglum 1937-5-22 590 Riverside Santa Rosa Mountains. Comment
  UCR279350  Lotus strigosus var. tomentellus A. C. Sanders, Jim Malusa 2017-3-23 42939 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  CLARK-A1528-2812  Lotus tomentellus John C. Roos 1937-4-18 1355 Riverside Whitewater Comment
  CSUSB1242  Lotus tomentellus Shirley Hill 1963-3-13 630313 2 Riverside Desert wash at place where houses cease on Vista Chino Street, Palm Springs, about 500 yards up wash. Comment
  RSA406279  Lotus unifoliolatus Robert Gustafson, Gary D. Wallace 1983-6-23 2717 Riverside Mesa de Burro, Santa Rosa region, Santa Ana Mountains. 701 Comment
  RSA525455  Lotus wrangelianus Steve Boyd, David E. Bramlet 1990-4-29 4500 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  JEPS65447  Lupinus arizonicus Mary Beal 1941-4-6 858 Riverside Painted Canyon Mojave Desert, Mecca Hills, Coachella Valley Comment
  RSA414838  Lupinus arizonicus E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert. Box Canyon on Blythe Road. Comment
  UCR16223  Lupinus bicolor Leland R. Dykes 1962-5-1 60 Riverside Santa Ana Mtns., Santa Rosa Plateau, San Mateo Canyon [Tenaja] Rd, c. 11 mi. west of Palomar Road [=Washington Ave.] in Murrieta [vicinity of Tenaja Guard Station] 610 Comment
  RSA431075  Lupinus bicolor subsp. marginatus David B. Dunn 1949-4-10 5541- 2 -3 Riverside A colony growing 1 mile east of Beaumont on the southside of he highway at Xenica Ave. Comment
  RSA586863  Lupinus bicolor subsp. microphyllus D. L. Banks, S. D. Boyd 1995-5-3 0282 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
  SD63735  Lupinus breweri Peta Mudie 1965-7-5 488 Riverside Dry SW slope on NW side of Santa Rosa Mountain, on unpaved road from Hwy 74 to National Forest campsite 1000 Comment
  CLARK-A1656-820  Lupinus concinnus Theo Glenn 1982-4-23 Riverside Cottonwood Canyon Comment
  POM123545  Lupinus concinnus subsp. optatus Philip A. Munz 1924-5-18 8140 Riverside 18 miles outh of Banning, San jacinto Mts. 1524 Comment
  LA205085  Lupinus excubitus L. Haines; L. Erickson 1937-4-11 sn Riverside Morongo Valley Comment
  CAS-BOT-BC216687  Lupinus excubitus subsp. hallii Elizabeth McClintock 1965-6-25 s.n. Riverside A short distance below the summit, Santa Rosa Mountain Comment
  UCR167981  Lupinus excubitus var. austromontanus T. B. Salvato, John F. Green 2004-5-27 650 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UC73151  Lupinus formosus Dr. R. J. Smith May 1904 Riverside near Beaumont; near Beaumont 609 Comment
  POM24329  Lupinus hirsutissimus Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA413693  Lupinus hirsutissimus N. C. Cooper 1944-4-22 1114 Riverside Banning. 701 Comment
  UCR252205  Lupinus hirsutissimus J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  SD229155  Lupinus hyacinthinus Dick Schwenkmeyer 2012-8-7 782 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  RSA591825  Lupinus latifolius subsp. parishii E. W. Lathrop 1968-5-22 6932 Riverside Bear Spring on the Main Divide Truck Trail1 miles E of Santiago Peak, Cleveland National Forest Comment
  CLARK-A1045-333  Lupinus longifolius George K. Helmkamp 1978-5-2 Riverside Bautista Canyon along Bautista Road; Hemet 15'Q Comment
  SD185223  Lupinus microcarpus T. B. Salvato, Kent Beaman 2005-5-16 807 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Highway 74. 548 Comment
  GMDRC2053  Lupinus sparsiflorus J. Andre 2006-4-26 6774 Riverside Little San Bernardino Mountains: Joshua Tree National Park: ridgetop, W. of upper Long Canyon, approx. 0.5 mi. S. radio tower and of NE corner (boundary) of park Near 34.06663 deg. N 116.44661 deg. W. Elev. 4347 ft. 1325 Comment
  HSC84217  Lupinus sparsiflorus Karin Cleary 1987-4-8 12 Riverside E side of freeway Sunset Ave., 1.25 km N of freeway I-10 823 Comment
  JOTR34176  Lupinus sparsiflorus Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 137 Riverside Joshua Tree National Park. Little San Bernardino Mountains; side canyon of Pushawalla Canyon; Steep rocky/gravelly drainage near elevated seep, and steep gravelly hills surrounding it (Stop 4) 1371 Comment
  SBBG101784  Lupinus sparsiflorus S. Boyd, T. Ross, M. Hammitt 1991-5-2 6060 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  SD6074  Lupinus sparsiflorus unknown Riverside Palm Springs Comment
  UC56605  Lupinus sparsiflorus H. M. Hall Apr 1902 2903 Riverside Foothills near Coahuilla (Coahuilla); San Jacinto Mountains 762 Comment
  POM301806  Lupinus sparsiflorus subsp. sparsiflorus James E. Cole 1942-4-12 949 Riverside Joshua Tree National Monument. 1220 Comment
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May 27 2013
  RSA414826  Lupinus succulentus M. B. Dunkle 1934-3-18 3863 Riverside Moreno 488 Comment
  RSA501016  Lupinus succulentus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3135 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
  SBBG120070  Lupinus succulentus A. C. Sanders, K. Volansky 2005-3-17 29211 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
  UCR16260  Lupinus succulentus Shirley Hill 1963-4-24 630424- 5 Riverside 4 mi east of Sunymead on Hwy 60-70, in parking area of fruit stand 550 Comment
  RSA525461  Lupinus truncatus Steve D. Boyd, David E. Bramlet 1990-4-29 4507 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  UCD39070  Lupinus truncatus Beecher Crampton 1963-5-7 6779 Riverside western part of the county, 5 miles (in direct line) s.e. of Elsinore, Bundy Road. Comment
  UCR115923  Lycium andersonii Mitch Provance 1998-4-24 1116 Riverside Riverside, c. 1 mile SW of the corner of Trafalgar Ave. and Alessandro Blvd. 366 Comment
  UCR87089  Lycium andersonii Richard Minnich 1992-2-18 s.n. Riverside Riverside, c. 1 km SW of Mockingbird Canyon Reservoir Comment
  JOTR35221  Lycium fremontii La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3645 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; deep-cut drainage in southwest Pinkham Wash (Stop 7) Comment
  CAS-BOT-BC231495  Lycium torreyi Aven Nelson; Ruth Nelson 1939-3-29 3335 Riverside Hidden Spring (near Mecca) Comment
  RSA535484  Lythrum californicum Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-2 6632 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  UCR235048  Lythrum californicum A. C. Sanders, John F. Green 2012-5-27 40211 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  SEINET5343084  Lythrum californicum J. Crutchfield 1965-6-16 213 Riverside Lost Lake Resort, 14 mi S of Vidal Comment
  RSA627385  Maclura pomifera A. C. Sanders, K. C. Rose 1999-6-18 22799 Riverside Skinner/Domenigoni area: French Valley, E side of Washington Ave, 1/2 mile S of Rawson Road 439 Comment
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Mar 20 2011
  POM362266  Malacothrix clevelandii Anstruther Davidson 1892-05 s.n. Riverside Banning Comment
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Mar 13 2011
  RSA606377  Malacothrix clevelandii Jon E. Keeley 1994-4-22 25323 Riverside Shipley Reserve. 590 Comment
  SD144033  Malacothrix clevelandii A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20629 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
  SD8989  Malacothrix coulteri Daniel Cleveland 1882-4-24 Riverside San Jacinto Plains. Comment
  UCR279364  Malacothrix coulteri A. C. Sanders, Jim Malusa 2017-3-24 42980 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, upper end of canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 736 Comment
  CAS-BOT-BC347701  Malacothrix glabrata A. C. Sanders; J. Dice; K. Rose; D. Woodard 1995-3-29 16274 Riverside San Jacinto Mtns./San Gorgonio Pass: alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village Comment
  SBBG8611  Malacothrix glabrata C. H. Muller 1952-4-6 9498 Riverside ca. 2 mi E of Shavers Summit, E of S entrance of Joshua Tree Nat Monument Comment
  SJSU10605  Malacothrix glabrata R. C. McGehee 1970-4-28 234 Riverside 5 mi S of Cottonwood Pass, Joshua Tree National Monument Comment
  RSA160431  Malacothrix saxatilis J. D. Olmsted 1959-4-17 397 Riverside 1/4 miles above Fire Gate along Skyline Drive, 5 miles SW of Corona. Santa Ana Mtns to Santa Ana River. 457 Comment
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Nov 19 2011
  SDSU12944  Malosma laurina Jutta Buschbom 1991-5-1 10 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
  SD143832  Malva parviflora Scott D. White 1996-12-26 4643 Riverside Perris area. 424 Comment
  UCR82222  Malva parviflora J. M. Stewart 1994-5-2 840 Riverside Western Colorado Desert, Coachella Valley, Thermal, Highway 86 and Airport Blvd. Comment
  RSA125207  Mammillaria tetrancistra E. K. Balls, Percy C. Everett 1957-8-20 22672 Riverside 14.7 mi. SW and W along State Hwy. 74 from Palm Village (jct. with State Hwy 111) 1127 Comment
  RSA541823  Mammillaria tetrancistra H. G. Rush 1948-4-16 s.n. Riverside 2 miles north of Whitewater, east of Hwy 66. Comment
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Jan 14 2010
  RSA441206  Marah macrocarpa Ora M. Clark 1929-2-23 1534 Riverside Cabazon, Colorado Desert Comment
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Mar 13 2011
  RSA441209  Marah macrocarpa N. C. Cooper 1944-5-20 1259 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  UCR162643  Marah macrocarpa S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UC159107  Marina parryi E. E. Schellenger 1911-2-21 Riverside Palen Mts. Colorado Desert Comment
  UCR59713  Marina parryi A. C. Sanders 1989-9-19 9505 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target 680 Comment
  RSA509536  Marrubium vulgare Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 366 Comment
  SDSU12873  Marrubium vulgare J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 28 Riverside Approximately 400 feet from Santa Margarita (SDSU) Field Station trailer South side of trail leading down into Santa Margarita River Gorge, north of river. 335 Comment
  UCR155308  Marrubium vulgare A. C. Sanders 2005-5-4 29855 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  POM12436  Marsilea vestita P. A. Munz 1922-4-29 5071 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  UCR72820  Marsilea vestita D. E. Bramlet 1991-6-20 2198 Riverside Perris-Aguanga Basin region, San Jacinto Valley, San Jacinto Wildlife Area: c. 670 m east of Davis Rd & 60 m north of the San Jacinto River levee 475 Comment
  UCR156280  Matricaria matricarioides T. B. Salvato, Kent Beaman 2005-5-16 825 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
  RSA667003  Matricaria occidentalis A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24198 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
  RSA715693  Matricaria occidentalis A. C. Sanders 2003-5-9 26580 Riverside San Jacinto Valley: west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  CAS-BOT-BC422725  Meconella denticulata John Thomas Howell 1931-5-30 6594 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  RSA613455  Medicago polymorpha D. L. Banks, Victor W. Steinmann 1997-3-13 1437 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  SEINET273062  Medicago polymorpha A. C. Sanders 1997-3-19 20057 Riverside Lake Skinner area; Upper Rawson Cyn W of Black Mtn along the rd from Lk. Skinner. UTM 10km cell: MH-9E 2N. Domenigon 549 Comment
  RSA192125  Medicago sativa H. A. Zuill 1966-6-27 256 Riverside Between Tenaja Guard Station and the Main Divide Truck Trial. Comment
  UCR112734  Melica californica A. C. Sanders, G. Helmkamp 1997-3-15 19916 Riverside Peninsular Range, Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 567 Comment
  CLARK-A1528-4725  Melica frutescens John C. Roos 1937-4-18 1360 Riverside San Jacinto Mountains Comment
  CLARK-A1528-4727  Melica imperfecta John C. Roos 1937-5-2 1419 Riverside La Sierra Comment
  OBI74467  Melica imperfecta David J. Keil 1983-4-15 16895 Riverside E of Temecula on SR79 Comment
  RSA712547  Melica imperfecta T. B. Salvato 2004-5-27 579 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1402 Comment
  SEINET238466 Image available Melica imperfecta A. C. Sanders 1998-3-11 21682 Riverside Shipley/Skinner Reserve area: North Domenigoni Hills N of Diamond Valley near old mine site above San Jacinto Valley 610 Comment
  SEINET7073447  Melica imperfecta 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
  POM19608  Melilotus albus Mary F. Spencer 1923-4-5 2197 Riverside San Jacinto. Comment
  RSA650071  Melilotus indicus Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 609 Comment
  RSA549249  Mentha canadensis A. C. Sanders, O. F. Clarke 1991-10-5 11746 Riverside Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake. Comment
  CAS-BOT-BC223710  Mentzelia K. Larson 1977-5-12 2286 Riverside Wiley Wells Road ca. 20 mi. W. Blythe Comment
  UCR147843  Mentzelia involucrata Steve Boyd, Et al. 2004-5-14 11276 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  POM259710  Mentzelia involucrata var. megalantha P. A. Munz 1940-3-22 15662 Riverside Whitewater Canyon 2 miles north of Banning-Indio boulevard. Comment
  RSA314447  Mentzelia involucrata var. megalantha Robert F. Thorne, Mrs. Raymond Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55437 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA33377  Mentzelia jonesii N. C. Cooper 1944-3-25 1037 Riverside Morongo Pass. 457 Comment
  RSA1275  Mentzelia laevicaulis E. R. Johnson 1928-6-8 972 Riverside Jackrabbit Pass, 6 miles W of Beaumont, Riverside County Comment
  UC284742  Mentzelia micrantha P. A. Munz 1923-6-14 7121 Riverside Trail from Glen Ivy to Santiago Peak. Santa Ana Mountains 1066 Comment
  SBBG4879  Mentzelia nitens H. and M. Dearing 1949-4-16 6749 Riverside Cottonwood Spring Comment
  RSA0120306  Mentzelia veatchiana Duncan S. Bell 2016-4-16 9322 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UCR228259  Microseris douglasii subsp. douglasii A. C. Sanders, T. B. Salvato 2011-4-1 38936 Riverside Peninsular Range, Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  UCR90774  Microseris douglasii subsp. platycarpha D. E. Bramlet 1994-4-20 2369 Riverside Perris-Aguanga Basin region, Shipley Reserve/SE corner of Lake Skinner Co. Park, beside a large, ephemeral drainage south of the equestriam trail, approx 762 m SE of the park entrance road and 579 m NW of East Benton Road 518 Comment
  RSA501008A  Microseris heterocarpa Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3127 A 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
  UCR172232  Microseris lindleyi 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
  UCR180042  Microseris lindleyi Mitch Provance 2005-5-18 9813 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  SEINET2053747 Image available Microseris linearifolia Richard Montijo 1990-4-27 Riverside Rancho California area; E of Santa Rosa Plateau, Green Meadow Road off de Potola Road. Sage 7.5 Quad 609 Comment
  SEINET10796646  Mimulus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12837 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  GMDRC6570  Mimulus aurantiacus var. pubescens J. M. Andre 2012-6-15 30526 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  POM8480  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2289 Riverside Butte west of Lakeview. 610 Comment
  UC987817  Mimulus aurantiacus var. pubescens Reid Moran 1941-5-5 845 Riverside e Quail Spring; Joshua Tree National Monument 1300 Comment
  UCR252523  Mimulus aurantiacus var. pubescens J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  POM8578A  Mimulus aurantiacus var. puniceus I. M. Johnston 1920-5-8 2280 Riverside Butte west of Lakeview. 610 Comment
  UCR102708  Mimulus bigelovii B. G. Pitzer 1998-1-24 3393 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  JEPS8177  Mimulus bigelovii var. bigelovii Dr. L. M. Newlon 1922-4-4 452 Riverside near Palm Springs; Palm Canyon Comment
  RSA172237  Mimulus bigelovii var. bigelovii Robert F. Thorne 1963-3-29 32432 Riverside Eagle Mountains, Pumping Station, S side of Eagle Mountains; ca. 12 miles W of Desert Center 535 Comment
  RSA160450  Mimulus bigelovii var. bigelovii John Olmsted 1958-3-30 95 Riverside at foot of first mountains north of southern entrance to Joshua Tree National Monument wth southern drainage toward the Salton Sea. Coloroaso desert Transitionzone. Comment
  RSA525674  Mimulus brevipes Steve Boyd 1990-5-3 4545 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  RSA68348  Mimulus brevipes G. R. Campbell 1951-5-30 16158 Riverside 9 miles west of Anza. 1067 Comment
  LA92017  Mimulus clevelandii Peter H. Raven; 1962-5-18 17759 Riverside Main Divide Truck Trail 2.9 mi. S of Santiago Peak 1234 Comment
  RSA586762  Mimulus clevelandii D. L. Banks, S. D. Boyd 1995-5-17 460 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of Upper Arroyo Seco. 659 Comment
  UCR158319  Mimulus floribundus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30062 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
  JOTR32395  Mimulus guttatus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2498 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  UC1563128  Mimulus guttatus Steve Boyd, Tim Ross, Laurel Arnseth 1989-5-7 3575 Riverside along Arroyo Seco drainage from jct with Kolb Creek (s to w/in 1/4 mi of Hwy 79); Vail Lake Area 457 Comment
  LA99204  Mimulus guttatus subsp. guttatus E. R. Hobbs; 1978-7-17 78 -120 Riverside Avery Canyon, Between Santa Rosa Hills and Pollly Butte, N side of Gibbel Road, S of Hemet Comment
  RSA0045490  Mimulus longiflorus var. calycinus Robert MacGregor 1984-5-19 12 Riverside CA Hwy 79, 1.4 mi S of junction with CA Hwy 371, S side of road. Comment
  UCR113885  Mimulus pilosus Mitch Provance 2000-6-24 2041 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UC27011  Mimulus tilingii H. M. Hall Jul. 1901 2471 Riverside Tauquitz Valley San Jacinto Mountains 2590 Comment
  SEINET3225532 Image available Mirabilis laevis A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37468 Riverside Sonoran (Colorado) Desert; SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 204 Comment
  UCR120587  Mirabilis laevis Steven R. Hill 2001-5-3 33683 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  UCR215614  Mirabilis laevis Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 08 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  RSA69464  Mirabilis laevis var. crassifolia F. W. Peirson 1921-3-19 69464 Riverside Cabazon, San Gorgonio Pass. Comment
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Mar 13 2011
  SDSU12952  Mirabilis laevis var. crassifolia Jutta Buschbom 41 Riverside Comment
  RSA0027989  Mirabilis laevis var. crassifolia Lydia Paneri 1982-4-17 63 Riverside Flat field south of Cajalco Road, 0.3 miles east of La Sierra Hwy. Comment
  RSA450539  Mirabilis laevis var. retrorsa Barry A. Prigge 1988-2-21 7856 Riverside Colorado desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
  SEINET12806537  Mirabilis laevis var. villosa Chris Dietrich, M. Merello, H. Schmidt 1994-1 19 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241) BLM land, Desert Access Guide map #17 358 Comment
  UCR200291  Mirabilis laevis var. villosa Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11232 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UCR201623  Mirabilis multiflora var. pubescens Scott D. White, Justin M. Wood 2008-6-16 12128 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  SD119906  Mirabilis pumila Louis B. Ziegler 1964-8-10 29 Riverside Garner Valley; San Jacinto Mountains. 1402 Comment
  JEPS84377  Mohavea confertiflora Roxanne Bittman 1977-2-27 12 Riverside South side of Highway 195 about 9 miles from Box Canyon in Box Canyon upper bajada 365 Comment
  JEPS9872  Mohavea confertiflora Dr. L. M. Newlon 1922-4-4 461 Riverside Mount San Jacinto, Palm Canyon Palm Canyon; Mount San Jacinto, Palm Canyon Comment
  JOTR35060  Mohavea confertiflora La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3512 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  RSA799255  Mohavea confertiflora Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 740 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
  UC1063092  Mohavea confertiflora H. S. Yates 1937-3-23 6429 Riverside Painted Canyon 121 Comment
  UCR1125  Mohavea confertiflora Emmylou M. Krausman 1958-3-1 09 Riverside Sonoran (Colorado) Desert, 20 yards from Pines to Palms Hwy, 2.0 miles from Hwy 111 intersection in Palm Desert 97 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
  UCSB7450  Mohavea confertiflora Haller, John 1957-3-23 Riverside at mouth of Morongo Canyon; ca. 8 rd. mi. N. of US. 99 and 1 air mi. S. of Riverside - San Bernardino Co. line 762 Comment
  JOTR34117  Mollugo cerviana La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2667 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
  UCR110408  Mollugo verticillata A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23178 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UC130483  Monardella australis Mrs. C. M. Wilder 1909-7-10 2 Riverside Tahquitz Creek San Jacinto Mts. (above Walter's, on new government trail) Comment
  POM247469  Monardella linoides subsp. linoides P. A. Munz 1941-10 17238 Riverside On Palms to Pines HIghway, north base of Santa Rosa Mts. Comment
  IRVC2057  Monardella nana R. H. Whittaker, W. A. Niering 1963-6-11 SJ 381 Riverside Santa Rosa mountain Road; middle of slope 20 degree E. Peninsular Ranges, Santa Rosa Mountains 1829 Comment
  LA27467  Monardella nana Carl Epling; 1944-5-13 sn Riverside Santa Rosa Mountains, 1.2 mi E of Ribbonwood Camp, Pines to Palms Hwy Comment
  LA96107  Monardella nana Elizabeth McClintock; Harlan Lewis 1941-6-29 75 Riverside Santa Rosa Mountains, road up. 4.5 mi above Pines to Plams Hwy Comment
  RSA651658  Monardella nana subsp. arida Elizabeth McClintock 1941-7-12 107 Riverside San Jacinto Mountains. Trail to Deer Springs, a short distance below first spring which crosses trail. Comment
  RSA78307  Monardella nana subsp. arida P. A. Munz, E. K. Balls 1952-8-21 17986 Riverside Road, Vandeventer Flat to Santa Rosa Peak. 2073 Comment
  RSA750287  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 95 Riverside Banning-Idyllwild road. At the creek beyond Stone Creek. Comment
  SEINET3996321 Image available Monardella nana subsp. tenuiflora Helen K. Sharsmith 1954-7-7 4444 Riverside San Bernardino National Forest; between Fuller Creek and Idlewild, on FS road to Black Mountain ca 1 mile from highway 1981 Comment
  UC162752  Monardella nana subsp. tenuiflora H. M. Hall July 1897 Riverside San Jacinto Mountains Comment
  UC456088  Monardella nana subsp. tenuiflora I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2438 Comment
  UCR221465  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-13 112 Riverside Peninsular Range; San Jacinto Mtns., near sawmill at Domengonio [Domenigoni] Flats [Strawberry Valley near Camp Emerson & USC Idyllwild campus], on old Idyllwild road [Tollgate Rd.] 1555 Comment
  SEINET3101625 Image available Monardella robisonii Tasha La Doux, Jim Andre 2008-9-16 349 Riverside Mojave Desert; Joshua Tree National Park, northeast end of Splitrock Picnic Area (Queen Mountain 7.5 Q.) 1327 Comment
  RSA776942  Monoptilon bellioides Amber Swanson 2011-3-19 235 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  RSA782086  Monoptilon bellioides Duncan S. Bell 2009-3-7 3 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  SD70775  Monoptilon bellioides David B. Dunn 1948-3-14 3773 Riverside Near Hidden Springs Ranch 5.0 miles south of the Indio Hills in the Colorado Desert. Comment
  UCSB37409  Monoptilon bellioides Gordon, Patricia 1980-5-18 Riverside Chuckwalla Mtns., Corn Springs Wash 457 Comment
  JOTR00922  Monoptilon bellioides Sipe, Frank 1958-3-7 249 Riverside Joshua Tree National Park. NEAR CHOLLA PATCH Comment
  UCR199627  Muhlenbergia rigens Scott D. White 2004-4-26 10255 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UCR6184  Muilla maritima C. M. Bringle, H. Johnston 1967-4-22 B670422- 7 Riverside Jurupa, [Pedley Hills] at end of Sedona Drive off Jurupa Road, west of Mission Blvd. Hillside with red water storage tank. 'el. 800 ft.' 305 Comment
  UCR87898  Muilla maritima A. C. Sanders 1994-5-30 14587 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  SD138817  Myosurus minimus var. apus Craig Reiser Unknown Riverside Hemet; southwestern corner of Florida & Warren Comment
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Mar 24 2011
  RSA0006065  Myzorrhiza hutchinsoniana W. Hutchinson 1921-04 3407 Riverside Near Palm Springs. Comment
  RSA421115  Nama demissa Robert M. Perkins 386 Riverside 26 miles East of Indio. Comment
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Mar 9 2014
  RSA715323  Nama demissa Ora M. Clark 1929-3-16 1706 Riverside South Cabazon. Comment
  SBBG97210  Nama demissa W. L. Halvorson 1977-3-8 77085 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  RSA718828  Nama demissa Michael Honer, L. Hulse 2004-4-3 1923 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O Neal Canyon. 610 Comment
  UC880823  Nama demissa var. demissa I. W. Clokey 1935-4-17 6812 Riverside Cottonwood Springs Comment
  UCSB5303  Nama depressa Krogen, Roger 1957-1 Riverside 26 mi. E of Indio on Hwy. 60-70; near S entrance to Joshua Tree Nat. Parl Comment
  RSA192228  Nassella cernua E. W. Lathrop 1960-6-8 4939 a Riverside 14 miles west of Murrieta Comment
  UC149780  Nassella cernua H. M. Hall 1902-4-26 2977 Riverside Box Springs Mt. vicinity of Riverside 685 Comment
  POM158438  Nassella lepida P. A. Munz 1927-5-21 10882 Riverside 10 miles SW of Coahuila [now Cahuilla] Comment
  RSA263733  Nassella lepida E. W. Lathrop 6887 Riverside 4 miles W of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive 1067 Comment
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Mar 3 2013
  RSA586849  Nassella lepida D. L. Banks, Steve Boyd 1995-5-3 268 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
  RSA496363  Nassella pulchra Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3037 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain. 549 Comment
  RSA769773  Navarretia atractyloides Duncan S. Bell, J. D. England 2010-5-17 1006 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. 1045 Comment
  RSA593894  Navarretia fossalis R. E. Riefner 1995-11-29 95 -406 Riverside Davis Rd. San Jacinto Wildlife Sanctuary, 0.4 miles S of Old San Jacinto River. Comment
  UCR68041  Navarretia fossalis D. E. Bramlet, P. Gordon-Reedy 1991-5-8 2126 Riverside San Jacinto Valley, 8.2 km SW of Hemet, 30 m east of California Ave., NE of intersection of California Ave. and Marvin Hull Rd., c. 75 m north of ATSF RR tracks & 10-300 west of MWD canal 498 Comment
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Nov 30 2009
  UCSB60198  Navarretia fossalis Bramlet, D. 1992-5-15 Riverside 183 m W. of Davis Road; 213 m N. of Marvin Road 433 Comment
  UC1333285  Navarretia hamata subsp. hamata Charles B. Fiker 1946-6-17 3583 1/2 Riverside San Mateo Canyon Comment
  SBBG54315  Navarretia intertexta C. Davidson 1977-5-25 5651 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  UCR222306  Navarretia intertexta R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55217 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  SEINET10464925  Nemacladus Wagnon 1944-3-26 WAGNON 362 Riverside Among stones, in sand, open sun all day. Cathedral Canyon, Cathedral City Comment
  SEINET10464904  Nemacladus glanduliferus var. orientalis Raven 1958-5-5 Raven 12905 Riverside Salton View, Joshua Tree National Monument 1585 Comment
  SEINET10840560  Nemacladus longiflorus Samuel B. Parish Parish 1628 Riverside San Jaciento Mountains Comment
  SEINET3417797  Nemacladus ramosissimus Andrew C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30061 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 457 Comment
  UC1583283  Nemacladus rubescens Noel H. Holmgren, Patricia K. Holmgren, and Ruth E. Kern 1973-3-23 6480 Riverside 24 mi e Indio (near Interstate 10, at the s entrance to Joshua Tree National Monument); Joshua Tree National Monument 548 Comment
  POM68091  Nemacladus rubescens var. tenuis Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA0123277  Nemacladus tenuis var. tenuis Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8990 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
  POM3455  Nemophila menziesii H. M. Hall 1897-4-7 s.n. Riverside Winchester, Riverside Comment
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Mar 20 2011
  UC68730  Nicotiana clevelandii H. M. Hall 1905-4-16 5802 Riverside 10 mi w Coachella (Marshall Canyon); Colorado Desert, Marshall Canyon 91 Comment
  RSA4900  Nicotiana obtusifolia Carl B. Wolf 1932-4-27 s.n. Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  RSA644222  Nicotiana obtusifolia Victor W. Steinmann, P. I. Moscosa, T. S. Ross 1998-4-14 1362 Riverside Orocopia Mountains, 1.5 km southwest of the Hayfield exit of I-10; ca. 600 m. Along a small wash on north-facing slope. 183 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
  UCR166710  Nicotiana quadrivalvis Scott D. White 2005-7-6 11156 Riverside San Jacinto Mtns/Sonoran/Colorado Desert, San Gorgonio Pass: Cabazon. Toeslope of the San Jacinto Mtns and adjacent fan west of San Gorgonio River, south of the I-10 Fwy 610 Comment
  CAS-BOT-BC131885  Nolina parryi Philip A. Munz; P. C. Everett 1950-6-23 14910 Riverside 2 mi. n.w. of Pipe Creek, Hemet Valley, San Jacinto Mts. 1402 Comment
  CAS-BOT-BC131887  Nolina parryi C. B. Wolf 1931-5-11 1949 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mts. 1676 Comment
  UC3806  Nolina parryi H. M. Hall 1901-6-18 Riverside near Van Deventer's (e base of mountains near borders of Colorado Desert); San Jacinto Mountains Comment
  UC479192  Nolina parryi Marcus E. Jones 1931-5-17 Riverside Keyes Ranch Comment
  POM259122B  Notholaena californica subsp. californica A. Lefebure 1941-03 s.n. Riverside Andreas Canyon, near Palm Springs Comment
  POM888  Notholaena californica subsp. leucophylla G. Ross Robertson 1904-1 s.n. Riverside E. Riverside Co. desert. Comment
  CAS-BOT-BC171495  Oenothera californica Roxana S. Ferris; Ruth P. Rossbach 1938-5-20 9666 Riverside Between Riverside and Ontario Comment
  RSA500111  Oenothera californica subsp. californica Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3661 Riverside Vail Lake area, Temecula Creek canyon below the dam. 457 Comment
  UCD106846  Oenothera deltoides Dan Axelrod 1932-3-23 s.n. Riverside Palm Springs. Comment
  POM355590  Oenothera deltoides subsp. deltoides Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA652333  Oenothera elata subsp. hirsutissima T. Sargent 1959-5-22 s.n. Riverside S. of Temecula (Hghy. 395.) ? Comment
  UCR232399  Oenothera primiveris Dave Silverman, Onkar Singh 2010-3-25 7841 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa east of the southern McCoy Mtns, 1.6 km east of Black Creek Rd., 4.9 km west of McCoy Wash, and 8.6 north of I-10 149 Comment
  RSA734943  Oenothera scapoidea J. R. Bruff 1927-3-12 s.n. Riverside Whitewater. Comment
  CAS-BOT-BC427461  Oligomeris linifolia Carl B. Wolf 1937-4-6 8436 Riverside Colorado Desert. Coachella Valley, 3 mi. No. of Indio. 0 Comment
  CLARK-A1528-786  Oligomeris linifolia Charlotte Stocks 1966-4-1 Riverside La Quinta Comment
  UCR163937  Oligomeris linifolia A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29135 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UC1080224  Olneya tesota P. C. Everett and E. K. Balls 1958-5-7 23116 Riverside entrance to Box Canyon (Hwy 195, Mecca to Blythe) 198 Comment
  RSA696233  Opuntia bigelovii Keith E. Hoffmaster 1933-4-14 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  POM274148  Opuntia phaeacantha Lyman Benson 1933-3-31 4146 Riverside San Bernardino Mt. Range. US 66 [actually US 60], Beaumont. 457 Comment
  RSA592681  Opuntia phaeacantha Scott D. White, Duayne Haselfeld 1996-7-2 4267 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  SD229121  Opuntia phaeacantha Dick Schwenkmeyer 2012-3-26 685 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  HSC84099  Orcuttia californica R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47312 Riverside Rancho California, Mesa de Burro. Santa Rosa Plateau 610 Comment
  UCR37410  Orcuttia californica Steve Boyd 1984-4-18 s.n. Riverside Skunk Hollow, 6 mi east of Murrieta, SW of the Lake Skinner dam. 457 Comment
  UC1520678  Orobanche cooperi Noel H. Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-22 6467 Riverside 7 mi ssw of Rice (Rice Valley); Rice Valley 274 Comment
  UCR241503  Orobanche cooperi A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40632 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  UCSB13106  Orobanche cooperi Dearing, Hugh; Dearing, Margaret 1942-4-4 Riverside So.of Vidal, East Colorado desert Comment
  CAS-BOT-BC500138  Orobanche fasciculata S. B. Parish; W. F. Parish 1881-8-1 488 Riverside San Jacinto Mt. Comment
  RSA0059162  Orobanche parishii subsp. parishii Noel Wallace 1938-06 BS. 562 Riverside Box Springs Mts., near Riverside. Comment
  RSA602273  Orobanche parishii subsp. parishii Louis C. Wheeler 1952-4-5 6851 Riverside Mecca Hills: Mouth of Painted Canyon. Comment
  RSA523550  Orthocarpus purpurascens var. purpurascens Steve D. Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4010 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  CLARK-A1528-141  Osmorhiza brachypoda Ruth Cooper 1968-5-5 Riverside Santa Ana Mountains Comment
  RSA597530  Oxytheca emarginata Louis C. Wheeler 1960-5-7 7685 Riverside Santa Rosa Mountains. Garnet Queen Mine. Comment
  POM12952  Oxytheca trilobata P. A. Munz, I. M. Johnston 1922-5-21 5537 Riverside Hemet Valley. 1433 Comment
  UCR24260  Oxytheca trilobata John C. Roos 1937-8-17 2544 Riverside San Jacinto Mtns., Near Idyllwild Comment
  SEINET3096511 Image available Paeonia brownii Howard S. Gentry 1954-7-27 14259 Riverside Dripping Springs along route 79, Riverside C. Comment
  OBI8361  Paeonia californica David J. Keil, Malcolm McLeod 1977-3-26 12022 -2 Riverside 9 mi E of jctn with I-15 along Calif 79 518 Comment
  CAS-BOT-BC327892  Palafoxia arida M. E. Jones 1884-5-3 s.n. Riverside Needles Comment
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Sep 2 2017
  CAS-BOT-BC327936  Palafoxia arida C. L. Hitchcock 1940-3-29 5848 Riverside Ca. 12 mi E of Indio Comment
  SBBG100852  Palafoxia arida W. L. Halvorson 1977-3-3 77 -70 Riverside near roadway of Interstate 10, 30 mi W of Blythe Comment
  SBBG100853  Palafoxia arida W. L. Halvorson 1977-2-20 77 -78 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  SEINET6630282 Image available Palafoxia arida Bonnie C. Templeton, I. W. Clokey 1006 Riverside N of Palm Springs 400 Comment
  POM363751  Palafoxia arida var. arida Elbert Benjamine 1929-4-7 151 Riverside Palm Springs. Comment
  UC596595  Palafoxia arida var. arida Rensselaer J. Smith 323 Riverside White Water Coachella District Comment
  CHSC109691  Panicum capillare Justin M. Wood 2008-7-9 130 Riverside SW Perris Basin: Temecula-Murrieta Creek, downstream of 1st street bridge. 299 Comment
  UC147835  Panicum capillare H. M. Hall Aug. 1901 Riverside vicinity Riverside; vicinity of Riverside 304 Comment
  UC2031378  Panicum hirticaule Duncan S. Bell with John Anderson, Kim Clark, Debbie George, Jim George, and Ed Howland 2013-9-28 6010 Riverside Chuckawalla Valley; south side of Interstate 10, approx. 16 air miles W of Blythe and about 2 air miles SE of Wileys Well. Comment
  CLARK-A1528-689  Papaver californicum Grace Sprague 1968-5-3 Riverside Twin Pines Comment
  HSC21662  Parietaria floridana C. L. Hitchcock, C. V. Muhlick 1964-3-22 23246 Riverside Side canyon near S entrance to Joshua Tree National Monument. Comment
  JEPS7793  Parietaria hespera var. hespera Rimo Bacigalupi with J. F. MacBride and Ruth D. Sanderson 1952-4-2 3603 Riverside off of Palm Canyon (at mouth of Andreas Canyon, lower slopes of Mt. San Jacinto); Mt. San Jacinto, Andreas Canyon Comment
  RSA651305  Parietaria hespera var. hespera W. M. Zabriskie 1973-2-21 124 Riverside Pipistrelle Canyon, Deep Canyon drainage, N slope Santa Rosa Mtns. (T6S, R6E, SE 1/4 Sec 20) 427 Comment
  SFV1799  Parkinsonia microphylla F. D. Adair 1959-6-9 s. n. Riverside Palm Springs Wildlife Sanctuary. Comment
  UCR93239  Paspalum distichum Scott D. White 1995-7-7 3454 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  SEINET6196074  Pectis papposa Stephanie Rockwood, Christi Gabriel 2011-1 119 Riverside Colorado Desert; Northeastern Colorado Desert region:Ford Dry Lake Area' Pallen Dunes Road. 110 exit 217. Chuckwalla Valley. (Hopkins Well: T6S R20E S31) 109 Comment
  SEINET10799090  Pectis papposa Frederick M. Reed 1934-9-26 Reed 8957 Riverside Pines to Palus Road - Santa Rosa Mts. below Pinon Flats. 366 Comment
  JOTR29252  Pectis papposa var. papposa La Doux, Tasha 2005-8-17 1533 Riverside Joshua Tree National Park. Queen Valley, along Bighorn Pass Road 1321 Comment
  JOTR30837  Pectis papposa var. papposa La Doux, Tasha, Jim Andre 2008-9-16 347 Riverside Joshua Tree National Park. JTNP; NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.534' N 116 03.098' W 1327 Comment
  RSA0107903  Pectocarya heterocarpa Duncan S. Bell, Thomas Stoughton 2010-3-19 578 Riverside West side of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.5 air miles west of Priest Well. 418 Comment
  RSA800116  Pectocarya heterocarpa Duncan S. Bell 2013-4-7 4757 Riverside Arica Mountains, east side of range; west side of Rice Valley approximately 4 air miles south of the ghost town of Rice. 207 Comment
  UCR167378  Pectocarya heterocarpa 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
  VVC2449  Pectocarya heterocarpa Tim Thomas 2013-3-18 5936 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  UCR25941  Pectocarya linearis John C. Roos 1952-2-29 5371 Riverside Reche Canyon 457 Comment
  UCR265586  Pectocarya linearis Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 5 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  RSA359524  Pectocarya linearis subsp. ferocula Steve Boyd 1986-3-9 1385 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  RSA502911  Pectocarya linearis subsp. ferocula Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road 365 Comment
  SBBG15824  Pectocarya linearis subsp. ferocula D. E. Breedlove 1962-3-11 1900 Riverside 5.7 mi SE of US Hwy 395 on St Hwy 74; rd to Hemet 487 Comment
  UCR249830  Pectocarya platycarpa T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7313 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  GMDRC9791  Pectocarya recurvata J. M. Andre 2017-3-1 37987 Riverside Orocopia Mountains: north end of range, along Pinto Rd, 1.3 mi. ESE of Interstate 10 ( Box Cyn/Cottonwood Spring Rd exits). 479 Comment
  JOTR30140  Pectocarya recurvata La Doux, Tasha 2008-2-4 1707 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  RSA336044  Pectocarya recurvata R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52025 Riverside Chino Canyon Comment
  JEPS68236  Pectocarya setosa W. L. Jepson 1901-5-27 1465 Riverside Thomas Valley San Jacinto Mountians, Thomas Valley Comment
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Feb 16 2013
  JOTR31974  Pectocarya setosa La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2210 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  JOTR32962  Pectocarya setosa La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2713 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  UCR190496  Pelargonium denticulatum T. B. Salvato 2007-10-10 3068 Riverside Upper Santa Ana River Basin/San Bernardino Valley, Riverside, residence at 1009 Bascomb Drive 305 Comment
  RSA770698  Pellaea andromedifolia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4802 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SFV69  Pellaea andromedifolia J. H. Wood 1958-5-30 s. n. Riverside San Jacinto Mountains Comment
  CAS-BOT-BC422327  Pellaea mucronata subsp. mucronata Andrew Townesmith; Karen M. Meyer; Tracy Scott 2007-3-17 693 Riverside San Bernardino National Forest, San Jacinto Ranger District. Lake Hemet fishing access, 1.2 miles west of route 74 on Forest Service road 6S15. 1334 Comment
  RSA125967  Pellaea mucronata var. mucronata E. K. Balls, Percy C. Everett 1957-11-4 22751 Riverside Snow Creek, N. base of San Jacinto Mts. 701 Comment
  UCR27066  Penstemon X parishii T. P. Krantz, K. Berg 1982-5-26 s.n. Riverside San Jacinto Mtns., along Bonita Vista Road, north of Garner Valley Comment
  PASA847  Penstemon antirrhinoides Mary Hall 1939-5-27 Riverside San Jacinto river Comment
  NY583777  Penstemon centranthifolius G. R. Campbell 1951-5-30 16141 Riverside Just west of Cahuilla 1066.8 Comment
  POM308419  Penstemon centranthifolius Henry J. Ramsey, Henry J. Ramsey 1938-4-22 3101 Riverside Santa Rosa Mts. Comment
  RSA662561  Penstemon centranthifolius Tamara Joy Hanna 1991-5-4 6 Riverside Township of Anza, area of High Country Ranches. From Terwilliger Road (paved) east of Coyote Canyon Road (dirt) approx. 2 miles. 1220 Comment
  UCR133452  Penstemon centranthifolius Tracy Tennant, J. S. Ross 1998-5-7 MOR- 80 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon, c. 0.6miles NNW of Cabazon. 1280 Comment
  UCR20544  Penstemon centranthifolius W. W. Mayhew 1977-6-12 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  CDA33582  Penstemon clevelandii Mike Lahti 2010-5-3 PDR# 1358703 Riverside Pinyon Flats. Comment
  POM20635  Penstemon clevelandii subsp. mohavensis E. C. Jaeger 1923-5-20 s.n. Riverside Keyes Ranch Comment
  RSA0014857  Penstemon rostriflorus Carl B. Wolf 1932-8-4 3908 Riverside San Jacinto Mts. Point View near Idyllwild. 1646 Comment
  SBBG7202  Penstemon spectabilis H. and M. Dearing 1948-6-8 4345 Riverside Palms to Pines Hwy, Ribbonwood Comment
  UCR93812  Penstemon spectabilis P. J. MacKay 1996-6-15 008 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  RSA33815  Penstemon spectabilis subsp. subviscosus N. C. Cooper 1944-5-6 1219 Riverside Banning. 610 Comment
  RSA586122  Penstemon spectabilis var. spectabilis D. L. Banks 1995-4-11 165 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, along the Dripping Springs Trail. 646 Comment
  RSA0070733  Pentagramma maxonii Scott D. White 2006-4-27 11294 Riverside Perris Basin/San Jacinto Mtn. Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  RSA0070719  Pentagramma triangularis Scott D. White 2001-4-19 8375 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi west of Interstate 215. 442 Comment
  JOTR28919  Pentagramma triangularis subsp. maxonii La Doux, Tasha 2005-2-7 1155 Riverside Joshua Tree National Park. Above Hayfield Dry Lake 553 Comment
  UCSB3817  Peritoma arborea Ralph, F. 1960-4-1 Riverside Whitewater Canyon, 1.6 miles north of U.S. Hwy. 99, western edge of the Colorado Desert Comment
  CAS-BOT-BC77532  Peritoma arborea var. arborea Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs 60 Comment
  CAS-BOT-BC355985  Perityle emoryi Carl B. Wolf 1932-4-27 3062 Riverside Colorado Desert. 5 mi. E. of Desert Center. No. base of Chuckwalla Mts. 152 Comment
  POM13895  Perityle emoryi P. A. Munz, D. D. Keck 1922-4-9 4749 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. 671 Comment
  RSA510033  Perityle emoryi B. Pitzer, S. Myers, J. Wilkinson 1988-2-21 602 Riverside S end of Coxcomb Mtns, 0.2 mi. N of Hwy 177 (Old Desert Center - Rice Road), 10.6 mi. NE of Desert Center. 229 Comment
  UCR242291  Perityle emoryi A. C. Sanders, T. B. Salvato 2012-10-12 40418 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  JOTR35180  Persicaria lapathifolia Harding, Mitzi, T. Herskovits 2011-9-14 162 Riverside Joshua Tree National Park. Queen Mountains; west side of Barker Dam; small riparian zone in and along drainage from dam 1300 Comment
  SD87688  Petalonyx linearis F. W. Peirson 1921-3-23 2376 Riverside Deep CaA'on east of Palm Springs. 334 Comment
  CAS-BOT-BC167758  Petalonyx thurberi Nancy Ryan Zabriskie; Walter Zabriskie 1971-10-23 452 Riverside Near Andreas Canyon Club gate, South Palm Canyon Drive, Palm Canyon drainage, east slope San Jacinto Mountains 167 Comment
  UCR19126  Petalonyx thurberi John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mtns, Lost Palms Wash Comment
  UC872592  Petalonyx thurberi subsp. thurberi Lewis S. Rose 1938-12-19 38324 Riverside 6 mi. s. Cathedral City 45 Comment
  RSA621639  Petunia parviflora R. E. Riefner 1998-7-9 98 -281 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  UCR172747  Petunia parviflora Robert Cox, Chris E. True 2005-6-2 s.n. Riverside Perris-Aguanga Basin, SE of Perris Reservoir; Off Ramona Expressway c. 1.5 mi. west of Davis Road. Near San Jacinto River Channel and buried gas line 433 Comment
  UCR266289  Petunia parviflora D. E. Bramlet, Fred M. Roberts 2005-6-6 3868 Riverside San Jacinto Valley, San Jacinto River at Sanderson Ave., north of Ramona Expressway 447 Comment
  CAS-BOT-BC326763  Peucephyllum schottii Mrs. John C. Augsbury 1930-2-1 s.n. Riverside Indio Comment
  RSA676057  Peucephyllum schottii Scott D. White 2001-4-3 8241 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SEINET7248273 Image available Peucephyllum schottii Duncan S. Bell, LeRoy Gross 2014-1 6241 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  UC91062  Peucephyllum schottii S. B. and W. F. Parish 1882-4-1 Riverside Morongo Comment
  UCR233172A  Peucephyllum schottii Jim Andre, Glenn L. Clifton 2011-2-22 17439 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  RSA550021  Phacelia campanularia Walter Wisura, A. King, L. Newcomb 1992-4-10 4676 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
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Dec 25 2013
  RSA775500  Phacelia campanularia Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4473 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  UCR123753  Phacelia campanularia subsp. campanularia Steven R. Hill 2001-4-29 33529 A 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
  RSA27807  Phacelia campanularia subsp. vasiformis C. L. Hitchcock 1940-3-29 5862 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  RSA748599  Phacelia campanularia subsp. vasiformis Scott D. White, Justin M. Wood 2009-4-29 12627 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  UC519860  Phacelia campanularia subsp. vasiformis N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Spring Comment
  RSA777275  Phacelia cicutaria var. hispida Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4746 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 W116.65121 604 Comment
  UCR172184  Phacelia cicutaria var. hispida John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley; small unnamed drainage in agricultural field along Leon Road [San Diego Aqueduct right of way] between Van Gaale Lane and Borel Road 412 Comment
  UCR214569  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37850 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.93 mi. north (03 deg. ) of intersection of I-15 and Lake St. 469 Comment
  UCR50515  Phacelia cicutaria var. hispida S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  SD181483  Phacelia crenulata Valerie Soza, J. M. Porter, G. D. Wallace 2001-4-2 1094 Riverside Transverse Ranges, Little San Bernardino Mountains region, mouth of West Wide Canyon, west side of Channel Run; Seven Palms Valley [quad]. Comment
  SD224995  Phacelia crenulata A. C. Sanders, G. K. Helmkamp & P. MacKay 1995-3-12 16037 Riverside Coachella Valley: Indio, just S of the Whitewater River Channel at Auto Center Dr. -7 Comment
  RSA0049852  Phacelia crenulata var. ambigua Jim Andre 2014-1-27 26671 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA727871  Phacelia crenulata var. ambigua Naomi S. Fraga, Lisa Rojas 2005-2-10 1361 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  RSA0120440  Phacelia cryptantha Duncan S. Bell, LeRoy Gross 2016-5-18 9597 Riverside Santa Rosa Mountains; west side of Martinez Mountain; hills in the northern section of Little Pinyon Flat. 1316 Comment
  RSA426222  Phacelia distans Ora M. Clark 1929-2-23 1590 Riverside North Whitewater. Comment
  RSA770429  Phacelia distans Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4870 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 915 Comment
  RSA770446  Phacelia distans Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4558 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  UCR107395  Phacelia distans B. G. Pitzer 1997-3-23 2950 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
  UCR165915  Phacelia distans T. B. Salvato, John F. Green 2004-5-27 558 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  JEPS19793  Phacelia ivesiana Rimo Bacigalupi with Paul C. Hutchison 1958-2-19 6202 Riverside 9.4 mi n of Blythe (at western base of Big Maria Mountains); Big Maria Mountains 167 Comment
  JEPS1185  Phacelia minor Carl V. Meyer 1929-6-13 754 Riverside Chalk Hill San Jacinto Mts. Comment
  JEPS86532  Phacelia minor Roy E. Buck 1988-4-1 869 Riverside e-facing slope above CA Hwy. 74 (near top of grade w of Lake Elsinore, ca 2.0 air km nw of confluence of Harlan Cyn and Johnson Cyn drainages, 7 air km w of Lake Elsinore); Elsinore Mountains 780 Comment
  RSA770852  Phacelia minor Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4936 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
  RSA427703B  Phacelia minutiflora E. C. Jaeger 1922-3-29 745 Riverside Chuckwalla Valley Comment
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May 29 2011
  UCR51351  Phacelia neglecta B. G. Pitzer, J. Wilkinson, S. J. Myers 1988-2-21 0600 Riverside Sonoran (Colorado) Desert, S end of Coxcomb Mtns, 0.2 mi. north of Hwy 177 (Old Desert Center - Rice Road), at 10.6 mi. NE of Desert Center 229 Comment
  POM13911  Phacelia pedicellata P. A. Munz, D. D. Keck 1922-4-9 4758 Riverside Shavers Well, near Mecca. 76 Comment
  UCR268310  Phacelia ramosissima Jim Andre 2012-6-15 30496 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
  UCR1457  Phacelia ramosissima var. suffrutescens R. D. Keys 1973-5-13 s.n. Riverside Box Springs Mtns, 0.5 - 1 mi from end of Box Springs Ridge Road. 915 Comment
  UCR123698  Phalaris canariensis T. B. Salvato 1999-5-31 109 Riverside Upper Santa Ana River Basin/San Bernardino Valley, Riverside, residence at 1009 Bascomb Drive 305 Comment
  UCD89176  Phalaris minor John Thomas Howell 1960-3-24 35152 Riverside La Quinta. Comment
  CAS-BOT-BC128867  Philadelphus microphyllus E. K. Balls 1955-9-20 21443 Riverside Above Dark Canyon, up from end of trail, w. slope San Jacinto Mts. 2606 Comment
  RSA469903  Phlox austromontana E. C. Jaeger 1922-6-29 s.n. Riverside Tahquitz Valley, San Jacinto Mountains 2073 Comment
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May 29 2011
  UCR211821  Pholisma arenarium Valerie Soza, Steve Boyd, Neil Gilbert 2000-12-6 1062 B Riverside Peninsular Range; San jacinto Mountains, Bautista Canyon, along Bautista Canyon Road, across from Bautista Conservation Camp 854 Comment
  RSA0043161  Pholistoma auritum var. auritum Scott D. White, Justin M. Wood 2008-3-25 11784 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  SD143843  Pholistoma membranaceum A. C. Sanders, P. MacKay, et al. 1997-2-8 19683 Riverside Tahquitz Debris Basin at mouth of Tahquitz Canyon. 182 Comment
  UCR200401  Pholistoma membranaceum Tasha La Doux, Jim Andre 2008-3-21 138 Riverside Eastern Mojave Desert, Joshua Tree National Park, Upper Cottonwood Canyon, c. 2 mi south of Cottonwood Visitors Center in canyon just west of paved road 881 Comment
  UCR42516  Pholistoma membranaceum P. J. Leary 1975-2-25 944 Riverside SE Mojave Desert, Joshua Tree National Monument, 2.3 SE of Aqua Peak. Coxcomb Mtns 976 Comment
  RSA651773  Phoradendron californicum Darrell Garrett 1949-6-2 s.n. Riverside 6 miles west of Palm Springs. 114 Comment
  SFV20414  Phoradendron californicum J. R. Pucci 2004-5-9 52 Riverside San Jacinto Mountains Chino Canyon, off Tramway Road on abandoned road. 590 Comment
  UCD166242  Phoradendron californicum Jack Major 1962-4-17 776 Riverside Along the west facing wall of Whitewater Canyon, just east of San Gorgonio Pass, north of US HWYs 60 and 70, (modern Interstate 10 in this locality). (Exact location unknown. Coordinates estimated by label maker.) 670 Comment
  UCR120716  Phoradendron californicum Helen Kennedy, T. B. Salvato 2002-2-2 5455 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  UCR245915  Phoradendron californicum Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3953 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  UCR91969  Phoradendron libocedri George K. Helmkamp, E. A. Helmkamp 1995-11-16 2- 2 Riverside San Jacinto Mtns., Along Hwy 243 at Lake Fulmor 1616 Comment
  POM13405  Phoradendron villosum E. C. Jaeger 1922-6-15 s.n. Riverside Palms to Pines Trail, on Quercus. 1982 Comment
  RSA722378  Phoradendron villosum J. Russell Bruff 1934-7-9 s.n. Riverside Idyllwild. Comment
  UCR91928  Phoradendron villosum George K. Helmkamp, E. A. Helmkamp 1995-11-16 1- 01 Riverside San Jacinto Mtns, Along Calif. Hwy 243, 0.25-0.50 mi south of Bay Tree Spring (about 0.9 mi north of Lake Fulmor) 1616 Comment
  RSA102378  Physalis crassifolia S. B. Parish, W. F. Parish 1882-04 16 Riverside Borders of Colorado Desert at Agua Caliente. Comment
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Dec 8 2014
  RSA233714  Physalis crassifolia Frederick W. Oettinger 1968-10-23 818 -B Riverside Whitewater Canyon; 10 mi. NNw of Palm Springs, 4.5 mi. N of Hwy. 10 near trout harchery. Comment
  RSA699074  Physalis crassifolia J. Russell Bruff 1929-11-27 428 Riverside Split Rock Comment
  UCR41456  Physalis crassifolia A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6134 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  RSA357156  Pilularia americana R. F. Thorne 1973-5-23 43854 Riverside Santa Rosa Plateau: N side of Mesa de Colorado. Santa Ana Mountains 609 Comment
  UC64554  Pinus flexilis H. M. Hall 1902-4-16 2886 Riverside Tahquitz Peak San Jacinto Mountains Comment
  UC2015654  Pinus jeffreyi A. C. Sanders 1995-11-26 17924 Riverside Tule Creek Valley, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Old house site on Tule Peak road, 0.7 mi. of Bonny Lane, sec.14. Comment
  UCSB98  Pinus monophylla White, Arthur 1960-5-15 Riverside Pinyon Flat campground in desert, 10 mi. se. of road to Anza on Hwy 74 1219 Comment
  RSA503434  Pinus quadrifolia Mark Parratt 1962-2-24 114 Riverside 1/4 mile north of Nightengale, Calif. on State hwy. 74. Mt. Range San Jacinto. Alt. 3900 ft. 1189 Comment
  SBBG39789  Pinus quadrifolia J. T. Howell 1960-3-24 35150 Riverside rd to Anza just S of Palm to Pines Hwy 1463 Comment
  UCR174069  Pityrogramma triangularis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32637 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCR92664  Pityrogramma triangularis var. triangularis Scott D. White 1996-2-18 3808 Riverside Perris Basin, Double Butte, NW of Winchester, SE-facing slope of west butte and alluvial soil at base 490 Comment
  UCR96810  Pityrogramma triangularis var. triangularis A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19764 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  RSA180325  Plagiobothrys acanthocarpus E. W. Lathrop 1959-4-16 4453 c Riverside 14 miles W of Murrieta. Tenaja plateau. Comment
  SD181660  Plagiobothrys acanthocarpus Steve Boyd 2001-4-12 10409 Riverside Gavilan Hills Region; southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street. Comment
  UCR120797  Plagiobothrys acanthocarpus Ian G. Gillespie 2000-4-26 26 Riverside Perris-Aguanga Basin, S side of Paloma Valley. Hilltop at S end of Lindenberger Road, SW of the intersection of Scott Road and Briggs Road 473 Comment
  UCR169784  Plagiobothrys arizonicus Scott D. White, Angelia Carey 2004-4-5 10001 B Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR225738  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2011-3-29 38886 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
  UC718552  Plagiobothrys collinus Carl B. Wolf 1935-4-7 Riverside 2 mi sw Perris; Gavilan Hills Region 426 Comment
  UCR121810  Plagiobothrys collinus A. C. Sanders, Carolyn Washburn 2001-4-17 24058 Riverside San Jacinto Valley, southwest edge of Hemet, NW of intersection of Stowe Rd. and California Av., 2 miles NE of Winchester 457 Comment
  UCR230784  Plagiobothrys collinus A. C. Sanders, Nathan Moorhatch 2011-3-22 38782 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, 0.61 km east of Hwy 74, south of Ethanac Rd. 503 Comment
  UCR234278  Plagiobothrys collinus A. C. Sanders 2012-4-12 40023 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd. 314 Comment
  UCR241832  Plagiobothrys collinus A. C. Sanders, Timothy W. Chumley 2013-4-3 40760 Riverside Peninsular Range, Temescal Canyon just above Horsethief Canyon wash crossing of DePalma Rd. at old DePalma's Italian Village site, SE of Corona (Lee) Lake 378 Comment
  JEPS29299  Plagiobothrys collinus var. californicus Rimo Bacigalupi and L. Heckard 1962-3-25 8394 Riverside ca. 5 mi. s.e. Corona (just n. of Bedford Canyon, e. base Santa Ana Mts.1000 ft); Santa Ana Mts. Comment
  UCR228915  Plagiobothrys collinus var. californicus A. C. Sanders 2011-4-7 39027 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  POM9223  Plagiobothrys collinus var. californicus I. M. Johnston 1920-5-8 2270 Riverside Jurupa Mountains, extreme west end. Comment
  SD244103  Plagiobothrys collinus var. fulvescens A. C. Sanders, Timothy . Chumley 2013-4-2 40747 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Road and Hostettler Road, near I-15 Fwy, SE of Corona (Lee) Lake (Alberhill 7.5'Q) 377 Comment
  SEINET998504  Plagiobothrys collinus var. fulvescens Mitch Provance 2003-1 9895 Riverside Santa Ana River Valley: Northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just S of Crestlawn Memorial Cemetery. 274 Comment
  UCR112995  Plagiobothrys collinus var. fulvescens Mitch Provance, Seychelle Provance, Juanita Provance, Claude Provance 1999-4-4 1721 Riverside Riverside, 'Whitegates Hills', c. 0.125 miles north of Overlook Pkwy. 381 Comment
  UCR92102  Plagiobothrys collinus var. fulvescens D. L. Banks, Steve Boyd 1995-6-2 0567 Riverside Palomar Mtns., Cleveland Nat'l Forest, Agua Tibia Wilderness Area, N face of N peak of Agua Tibia Mt., on the Wooodchuck Trail north of the Riverside County boundary, c. 1/4 mi south of the clay grasslands in S32 890 Comment
  RSA709896  Plagiobothrys jonesii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4597 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA659779  Plagiobothrys leptocladus J. C. Roos 1966-3-24 s.n. Riverside Edgemont. Comment
  UCR47600  Plagiobothrys leptocladus F. R. Fosberg 1932-5-9 10640 Riverside Perris 450 Comment
  UCR116457  Plagiobothrys nothofulvus A. C. Sanders, T. B. Salvato 2001-3-30 23872 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  UCR241825  Plagiobothrys tenellus A. C. Sanders, Timothy W. Chumley 2013-4-3 40768 Riverside Peninsular Range, Temescal Canyon south of Horsethief Canyon Rd. off the west shoulder of I-15 Fwy, SE of Corona (Lee) Lake 392 Comment
  UCR162939  Plantago elongata Fred M. Roberts, D. E. Bramlet 2005-4-1 6148 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  RSA621636  Plantago elongata subsp. pentasperma R. E. Riefner 1998-3-22 98 -185 Riverside Lake Elsinore. Elsinore trough between Willard and Murrieta Creek. Comment
  UC888365  Plantago erecta I. W. Clokey and B. C. Templeton 1930-4-9 467 Riverside n of Banning 1100 Comment
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Mar 13 2011
  RSA776013  Plantago ovata Duncan S. Bell 2010-3-20 615 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  POM184046  Plantago ovata var. fastigiata P. A. Munz 1932-3-14 12001 Riverside Deep Canyon, Coachella Valley 91 Comment
  RSA773178  Plantago patagonica Duncan S. Bell, Joy D. England 2010-5-27 1128 Riverside San Bernardino National Forest: Garner Valley, just south of junction of forest service road 6S04 and forest service road 6S13. 1340 Comment
  UC1111008  Plantago patagonica Herbert L. Mason 1928-3-10 4175 Riverside Snow Creek Colorado Desert, Whitewater River Valley Comment
  UCR86647  Plantago patagonica A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16258 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  RSA180285  Platanus racemosa E. W. Lathrop 1964-5-10 5365 Riverside 10 miles west of Murrieta. 610 Comment
  SEINET10620967  Platanus racemosa Greg Gust, Leith Nye 2005-3-12 Gust 557 Riverside Cleveland National Forest. Hwy 74 west of lower San Juan Picnic Area at pullout W side of Santa Ana Mountain Range. 495 Comment
  UCR108843  Platystemon californicus Heidi A. Haid 1968-5-8 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  CDA34943  Plecostachys serpyllifolia R. E. Riefner Jr. 2006-8-22 06 -365 Riverside City of Temecula, Vine Street at Peach Tree Street. Comment
  POM47181  Pleuraphis rigida Mary F. Spencer 1920-3-17 1529 Riverside Whitewater. Comment
  RSA414080  Pleuraphis rigida Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA562055  Pleuraphis rigida Steve Boyd, C. Boyd, K. A. Boyd 1992-4-19 s.n. 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
  JOTR31869  Pleurocoronis pluriseta La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2123 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  JOTR31906  Pleurocoronis pluriseta La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2154 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash Comment
  UCR147742  Pleurocoronis pluriseta Steve Boyd, Et al. 2004-5-14 11218 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UCR233545  Pleurocoronis pluriseta Jim Andre, Glenn L. Clifton 2011-2-22 17418 Riverside Mecca Hills, along Box Canyon Road, 5.5 mi northeast of town of Mecca 52 Comment
  UCR89829  Pleurocoronis pluriseta George K. Helmkamp 1994-3-10 42 20 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  CAS-BOT-BC356104  Pluchea odorata W. R. Dudley 1903-12-30 s.n. Riverside Thousand Palms Comment
  CHSC26129  Pluchea sericea A. Beck 1967-5-21 79 Riverside Colorado Desert, Thousand Palms Oasis. 1950 Comment
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Jul 23 2007
  UCR269108  Pluchea sericea Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4427 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 488 Comment
  RSA179490  Poa bulbosa E. W. Lathrop 1965-4-18 5661 Riverside 10 miles west of Murrieta. Comment
  LA206408  Poa nevadensis Frank W. Gould; 1944-4-5 2234 Riverside 17 mi. E of Temecula on highway 79 Comment
  UCR213680  Poa pratensis Justin M. Wood 2009-5-11 693 Riverside San Jacinto Mountains, Garner Valley, Quinn Flat area 1396 Comment
  SEINET192616 Image available Poa scabrella Philip A. Munz 1940-3-22 15658 Riverside North slope, Whitewaqater Canyon, 2 miles north of Banning-Indio boulevard Comment
  CHSC102091  Poa secunda Scott D. White; Michael Honer 2003-4-25 9122 Riverside SAN BERNADINO MTNS.: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 641 Comment
  POM100303  Poa secunda Marcus E. Jones 1882-4-24 s.n. Riverside Temecula Comment
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Jul 19 2010
  RSA561809  Poa secunda Steve Boyd 1992-4-14 6835 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
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Jun 7 2009
  RSA770438  Poa secunda subsp. secunda Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4570 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCD91001  Poa secunda subsp. secunda Frank W. Gould 1943-4-18 2153 Riverside 1 mile W of Banning, San Jacinto Mountains. Comment
  UCD91661  Poa secunda subsp. secunda Peter Kamb 1948-7-3 1151 Riverside Hall Canyon, San Jacinto Mtns. 1645 Comment
  CAS-BOT-BC167527  Polygala acanthoclada Annie M. Alexander; Louise Kellogg 1941-5-18 2195 Riverside 1 1/2 mi. N. of Cottonwood Spring, Eagle Mts. 975 Comment
  RSA191390  Polygonum aviculare subsp. aviculare E. W. Lathrop, Robert F. Thorne 1967-10-27 6675 Riverside 5 miles NW of Murrieta. Santa Rosa ranch. Comment
  UC1929950  Polygonum aviculare subsp. depressum Scott D. White, Justin Wood 2008-6-16 12139 Riverside San Jacinto Mountains: Meadow at Quinn Flat. Comment
  RSA0065553  Polygonum lapathifolium var. lapathifolium T. C. Thomas 1974-8-19 s.n. Riverside Fairmont Park spillway. Santa Ana River. Comment
  UCR2720  Polypogon australis F. M. Reed 1906-5-5 973 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  SDSU13921  Polypogon maritimus Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2140 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCR160845  Polypogon monspeliensis T. B. Salvato, Kelly Volansky 2003-3-27 118 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR201705  Polypogon monspeliensis Scott D. White, Justin M. Wood 2008-6-16 12113 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  UCR260191  Polystichum imbricans Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4997 Riverside San Jacinto Mountains, Strawberry Creek below Strawberry Valley, c. 2.25 air mi southwest of Idyllwild 1540 Comment
  CAS-BOT-BC102587  Populus fremontii W. R. Dudley 1903-12-25 s.n. Riverside Palm Springs Comment
  RSA0123108  Populus fremontii Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9015 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 653 Comment
  POM122002A  Populus fremontii subsp. fremontii Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Springs near Temecula. 366 Comment
  RSA4946  Porophyllum gracile C. B. Wolf 1932-4-27 3052 Riverside Colorado Desert, lower end of Lost Palm Canyon, at 1st rocky hills, 1mi off the Mecca-Blythe Road. 244 Comment
  UC1543099  Porophyllum gracile Donald G. Nelson 1936-5-22 393 Riverside on trail down to stream in Palm Spring Canyon; Ribbon Wood Camp, Pines to Palms Highways, Santa Rosa Mounta Comment
  UCR174335  Porophyllum gracile A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32644 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCR60520  Porophyllum gracile Steve Boyd 1985-7-23 1044 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 3.5 mi west of the junction with Tenaja Trail Comment
  UCR68618  Porophyllum gracile Steve Boyd, D. E. Bramlet 1990-4-29 4485 Riverside Peninsular Range, Lake Skinner County Park, S flank of Bachelor Mtn. Comment
  JOTR32632  Portulaca halimoides La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2555 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flat, southeast of trailhead heading toward Smith Water Canyon (Stop 2) 1398 Comment
  CAS-BOT-BC356221  Prenanthella exigua Annie M. Alexander; Louise Kellogg 1940-4-27 1236 Riverside Whipple Mountains 289 Comment
  RSA0013892  Proboscidea althaeifolia J. C. Roos 1965-9-5 s.n. Riverside 17 mi. W of Blythe Comment
  RSA719246  Prosopis glandulosa Michael Honer, L. Hulse 2004-4-3 1906 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canyon. 610 Comment
  CAS-BOT-BC206977  Prosopis glandulosa var. torreyana W. R. Dudley 1903-12-27 s.n. Riverside Palm Springs Comment
  POM348733  Prosopis glandulosa var. torreyana Howard Mullins 1931-4-11 s.n. Riverside Palm Springs. Comment
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Jul 5 2010
  UCR272191  Prosopis glandulosa var. torreyana Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8554 Riverside Santa Rosa Mountains, Horsethef Creek, south of Cactus Spring Trail 1064 Comment
  CAS-BOT-BC216518  Prosopis pubescens F. A. Thackery 1928-5-16 377 Riverside Indio Comment
  SD230235  Prosopis velutina Louis C. Wheeler 1961-10-8 7933 Riverside Temescal Canyon: at Dawson Canyon Fire Road Comment
  SEINET10943907  Prunus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12848 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  CAS-BOT-BC151127  Prunus fremontii J. Ewan 1929-2-22 3684 Riverside Palm Canyon of San Jacinto 304 Comment
  RSA220993  Prunus ilicifolia E. W. Lathrop 1966-4-18 6189 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. Comment
  UC1979536  Prunus ilicifolia subsp. ilicifolia Darin L. Banks, Peter Morrell 1995-5-4 298 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, along the Woodchuck Trail. Comment
  SEINET7412894  Prunus virginiana var. demissa E. K. Balls 1949-5-4 13486 Riverside On road from Idyllwild to Banning, San Jacinto Mountains 1372 Comment
  CAS-BOT-BC356334  Psathyrotes ramosissima Lewis S. Rose 1959-1-12 59010 Riverside Cathedral City 121 Comment
  CAS-BOT-BC356344  Psathyrotes ramosissima G. Helmkamp; E. Helmkamp 1998-1-17 2534 Riverside Box Canyon northeast of Mecca and 3.5 miles south of Shaver's Well 243 Comment
  UC1176850  Psathyrotes ramosissima Lewis S. Rose 1959-1-12 59010 Riverside Cathedral City 121 Comment
  RSA94086  Psathyrotes ramosissima F. W. Peirson 1918-03 1426 Riverside Between Palm Springs and Indio. Comment
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Feb 22 2009
  UCR26135  Pseudognaphalium biolettii John C. Roos 1952-2-29 5374 Riverside Reche Canyon Comment
  JOTR30281  Pseudognaphalium luteoalbum La Doux, Tasha, Alice Miller 2007-5-31 1777 Riverside Joshua Tree National Park. Stop 2: Cottonwood Springs/Oasis; in wet soil at oasis. 893 Comment
  CAS-BOT-BC357548  Pseudognaphalium stramineum Geo. B. Grant 1901-8-1 s.n. Riverside Strawberry Valley Comment
  IRVC2825  Pseudotsuga macrocarpa Carol Hooven 1965-4-24 s.n. Riverside Idylwild. Peninsular Ranges, San Jacinto Mountains Comment
  CAS-BOT-BC361790  Psilocarphus brevissimus var. brevissimus Philip A. Munz 1941-5-18 16648 Riverside About 15 miles north-east of Temecula Comment
  UCR114739  Psilotum nudum A. C. Sanders, J. M. DiTomaso 2000-7-12 23587 Riverside San Bernardino Valley, Riverside: UCR campus, along East Campus Drive beside greenhouses at intersection with Eucalyptus Drive 335 Comment
  UCR18981  Psoralea physodes John C. Roos 1960-5-30 s.n. Riverside Santa Ana Mtns., Ridge north of Bedford Peak. 1220 Comment
  UCSB13077  Psorothamnus arborescens Dearing, Hugh; Dearing, Margaret 1940-6-9 Riverside 7 mi. N of Palm Springs Comment
  CAS-BOT-BC353582  Psorothamnus arborescens var. simplicifolius Roxana S. Ferris 1918-6-13 955 Riverside 2 miles east of Banning Comment
  UC729667  Psorothamnus arborescens var. simplicifolius Carl B. Wolf 1932-5-25 3680 Riverside 1 mi below, n base of San Jacinto Mts. Fish Hatchery; n base San Jacinto Mts., Snow Creek Canyon 396 Comment
  JEPS41639  Psorothamnus emoryi E. E. Schellenger Jul 25 1903-Aug 14 1903 52160 Riverside between Palm Springs and Whitewater; Colorado Desert, betw Palm Springs and Whitewater Comment
  UC555345  Psorothamnus emoryi Margaret Stason 1927-3-12 Riverside Thousand Palms , Thousand Palms (Colorado Desert) Comment
  RSA167563  Psorothamnus schottii Robert F. Thorne, R. Rutherford 1964-4-12 33655 Riverside 1 mile W of turnoff to Cottonwood Wells [Springs]. Larrea desert scrub along Hwy. 60-70. Comment
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Apr 25 2011
  UC169102  Psorothamnus schottii S. B. Parish 1907-4-23 6107 Riverside Palm Springs , Palm Springs (Colorado Desert) Comment
  UCR135718  Psorothamnus schottii Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9007 Riverside Santa Rosa Mountains, along Hwy 74 on the Santa Rosa Mountain Grade, c. 0.5-0.8 mi NE of Black Hill 854 Comment
  CAS-BOT-BC340955  Psorothamnus spinosus Marcus E. Jones 1926-6-8 s.n. Riverside Palm Spring Comment
  POM46978  Pterospora andromedea Mary F. Spencer 1919-6-25 1223 Riverside San Jacinto Mt. 1677 Comment
  RSA171395  Pterostegia drymarioides J. D. Olmsted 1962-5-2 3466 Riverside 20 degree N slope along Banning-Idyllwild Road 1159 Comment
  SBBG103856  Pterostegia drymarioides M. A. Patten 1992-5-7 92 -28 Riverside Via Vaquero at Via Oesta, ca. 5 km W of Temecula, Santa Rosa Plateau Comment
  UC6926  Pterostegia drymarioides Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UCR127328  Pterostegia drymarioides A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25836 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR237627  Pterostegia drymarioides Duncan S. Bell 2010-3-20 608 Riverside Riverside Mountains, in the vicinity of Calzona Mine, c. 2 air mi northeast of Riverside Mountain Peak 232 Comment
  UCR121302  Punica granatum A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25020 Riverside The Badlands, canyon above Eden Hot Springs 549 Comment
  JOTR31120  Purshia tridentata var. glandulosa La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2503 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Lower ridges at base of Quail Mountain; within old burn area between Lost Horse Valley and Juniper Flats (Stop 2) Comment
  JOTR32194  Purshia tridentata var. glandulosa Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; side canyon of Pushawalla Canyon; Steep rocky/gravelly drainage near elevated seep, and steep gravelly hills surrounding it (Stop 4) 1371 Comment
  RSA336052  Purshia tridentata var. glandulosa Robert F. Thorne, A. Shmida, R. Whittaker 1978-4-23 52082 Riverside Pinyon Flats: along Hwy 74, Santa Rosa Mountains. Comment
  RSA751250  Quercus X morehus A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35609 Riverside May Valley c. 1.0 mi SW of Fleming Ranch, along dirt track 1555 Comment
  UCR262388  Quercus X morehus Tom Scott 2011-1 s.n. Riverside San Bernardino Mtns., south side of mountains in Banning Canyon on USFS road 2S01 1495 Comment
  SD167108  Quercus agrifolia var. agrifolia A. C. Sanders 2005-8-12 31551 Riverside San Jacinto Mountains; western edge of Vandeventer Flat along Highway 74. 1433 Comment
  UCR158949  Quercus agrifolia var. agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31544 Riverside San Jacinto Mtns., lower Bautista Canyon, 1.1 mi. above Forest Service boundary, 3.2 miles above retention dam at mouth 744 Comment
  HSC34608  Quercus berberidifolia A. M. Montalvo, J. D. Ackerman 1975-6-26 520 Riverside Cleveland National Forest, Hwy. 74 between San Juan Capistrano and Lake Elsinor near Upper San Juan Campground, Comment
  UC64103  Quercus berberidifolia H. M. Hall 1901-8-6 2644 Riverside Canyon of the San Jacinto River San Jacinto Mountains 1066 Comment
  UCD105640  Quercus berberidifolia K. M. Meyer; A. Townesmith, T. Scott 2007-3-18 135 Riverside San Bernardino National Forest. San Jacinto Mountains. About 1.7 mi on Little Thomas Mtn. Rd., S of Lake Hemet, from Rt. 74. 1467 Comment
  UCR174134  Quercus berberidifolia A. C. Sanders, T. B. Salvato 2006-6-2 33082 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-BC86547  Quercus cornelius-mulleri D. B. Dunn 1947-10-9 3529 Riverside Joshua Tree National Monument at campground area by Hidden Valley Comment
  RSA592669  Quercus cornelius-mulleri Scott D. White, D. Haselfeld 1996-7-2 4261 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  UCR117256  Quercus cornelius-mulleri A. C. Sanders, S. D. Boyd, Mitch Provance, J. Ross 1998-10-25 22288 Riverside San Jacinto Mtns., along Hwy 74, 4.4 mi. east of Hwy 371 junction to Anza, just east of Vandeventer Flat 1387 Comment
  SD262289  Quercus engelmannii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-1 617 01 Riverside Temescal Valley: Along the south side I-15, transmission right-of-way, 0.3 mi SE of Horsethief Canyon Rd. 384 Comment
  UCR56698  Quercus engelmannii Jack Easton 1989-4-18 s.n. Riverside Antelope Valley area north of Murrieta. c. 1.5 mi. NW of intersection of Antelope Road and Hwy I-15, and due north of intersection of Nutmeg and Jackson Streets. 396 Comment
  SEINET13709270  Quercus engelmannii J. Adams, J. Adams (Botany) 1966-1 712 Riverside Santa Rosa Plateau, along Dirt Rd from Murrieta to De Luz 2500Ft 762 Comment
  SFV889  Quercus kelloggii P. G. Kilburn 1958-5-30 830 Riverside San Jacinto Mountains Mount San Jacinto, 5 miles north of Idlewild. Fern Basin Campground. 1890 Comment
  RSA477132  Quercus wislizeni var. frutescens Christopher Davidson 1975-6-16 2815 Riverside 3.8 mi. N of Alandale Station on road R1 from Idyllwild to Banning. 1700 Comment
  UCD135331  Rafinesquia californica E. W. Lanthrop 1966-5-8 6405 Riverside Santa Ana Mountains. 3 miles southwest of Corona. Hagador Canyon, Cleveland National Forest, Trabuco District. 274 Comment
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Aug 26 2014
  CAS-BOT-BC362628  Rafinesquia neomexicana Cecil Hart 1926-3-9 s.n. Riverside Between Indio & Whitewater Comment
  JEPS37574  Rafinesquia neomexicana W. L. Jepson 1927-4-14 11705 Riverside se end Santa Rosa Mts.; , Silent Canyon 304 Comment
  POM33170  Rafinesquia neomexicana Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. Comment
  RSA620636  Rafinesquia neomexicana B. Pitzer, O. Clarke, S. Reed, G. Ruiz 1998-3-7 3582 Riverside San Bernardino Mountains: Wildlands Conservancy's Mission Creek Preserve. 762 Comment
  VVC2469  Rafinesquia neomexicana Tim Thomas 2013-3-18 5945 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  RSA0086970  Rafinesquia neomexicana R. S. Woglum 1934-3-18 647 Riverside San Jacinto Mountains, Coachella Valley, Snow Creek. Comment
  UCSB22560  Ranunculus alismifolius Head, W. 1966-5-14 Riverside Skunk Cabbage Meadow along Round Valley Trail. San Jacinto Mtns. 2499 Comment
  CAS-BOT-BC379419  Ranunculus alismifolius var. alismellus H. M. Hall 1901-7-1 2405 Riverside San Jacinto Mountains, in meadows or along creeks of Tamarack Valley 2804 Comment
  UCR216392  Ranunculus californicus Mike Bell 2008-3-30 020 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  UCR248034  Ranunculus muricatus O. F. Clarke 2011-3-15 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  SEINET8727730 Image available Raphanus sativus Jean Coulson 1959-1 s.n. Riverside Riverside; N. W. corner, Canyon Crest & Linden. 2007 Comment
  SDSU13624  Rhamnus crocea W. Miller 1972-8-24 Riverside Northwest corner above small valley. Comment
  OBI37518  Rhamnus ilicifolia Steve Boyd 1985-8-7 1111 Riverside Santa rosa Plateau region, NW base of Redonda Mesa on Tenaja rd, 0.8 mi E of jctn with 8S01 and 8S02 Comment
  RSA787602  Rhododendron occidentale C. H. Tingley 1927-1 741 Riverside San Jacinto Mountains. Comment
  JOTR32001  Rhus aromatica La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2230 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  JOTR01103  Rhus aromatica Cole, James E. 1941-5-23 775 Riverside Joshua Tree National Park. SPLIT ROCK AREA 1280 Comment
  UCR167811  Rhus laurina T. B. Salvato, Melissa Clemons 2005-6-23 1322 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  IRVC80  Rhus ovata R. H. Whittaker, W. A. Niering 1963-5-30 SJ 87 Riverside Palm Desert to Mountain Center, Santa Rosa Mountain Rd. Santa Rosa Mountains 1524 Comment
  CAS-BOT-BC92347  Ribes amarum James R. Shevock 1978-4-26 5905 Riverside Along the northeast side of Pleasants Peak. Santa Ana Mountains, Cleveland National Forest. 1188 Comment
  CAS-BOT-BC108721  Ribes cereum F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley. 2438 Comment
  RSA476153  Ribes cereum Anstruther Davidson 1892-7-4 s.n. Riverside San Jacinto. Comment
  RSA439667  Ribes indecorum J. S. Stubblefield 1939-3-23 s.n. Riverside Temecula. Comment
  RSA615113  Ribes indecorum A. C. Sanders, Giles Waines, Ehdaie, Aryavand 1997-3-12 3754 [?] Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley. 595 Comment
  RSA524470  Ribes quercetorum Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-5-3 4073 Riverside Vail Lake area, upper branches and adjacent slopes of E flank of Big Oak Mtn, just S of the E summit. 610 Comment
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Feb 22 2013
  UCSB37899  Ribes roezlii Sanders, A. 1980-7-18 Riverside Thomas Mountain; Thomas Mtn. campground to the summit at the lookout; T 6S, R 3E, W1/2 sec. 28 2072 Comment
  JEPS51548  Romneya coulteri W. L. Jepson May 17 1901-Jun 1 1901 1571 Riverside Temescal Wash 335 Comment
  RSA638201  Romneya coulteri Scott D. White 1998-10-9 7171 Riverside Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 335 Comment
  UCR125202  Romneya trichocalyx Mitch Provance 1998-5-29 557 Riverside Riverside, NW side of North Hill, along the S edge of Lake Evans 274 Comment
  SDSU9248  Rubus ursinus Thomas A. Zink 1971-4-1 Riverside Just south of Fairmont Park. 244 Comment
  UCR68863  Rubus ursinus Steve Boyd, T. S. Ross 1990-5-11 4665 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  UCSB25047  Rumex acetosella Thoe, J. 1966-3-19 Riverside South of Esperanza Rd. 1 mile east of Broadway in Cabazon, San Jacinto Mts. 609 Comment
  RSA0049527  Rumex californicus John Roos 1952-5-26 5719 Riverside Haas' Ranch, Reche Canyon. 457 Comment
  OBI32610  Rumex conglomeratus O. F. Clarke 1972-5-28 s.n. Riverside Residence of O.F. Clarke, 1012 Spruce St, Riverside Comment
  UC1330000  Rumex crispus James E. Cole 1941-5-27 793 Riverside Barker Dam Joshua Tree National Monument 1310 Comment
  RSA788814  Rumex salicifolius Robert F. Thorne, Walter Wisura 1977-9-17 50776 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  JEPS39923  Rumex salicifolius var. denticulatus W. L. Jepson 1903-8-6 2275 Riverside Dark Canyon San Jacinto Mts. 1828 Comment
  UCSB42110  Ruta graveolens Roos, John 1950-4-22 Riverside Pass between Reche Canyon and Pigeon Pass Road 457 Comment
  RSA19551  Salazaria mexicana Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9543 Riverside Cottonwood Springs Canyon. Comment
  UC846660  Salix Joseph Andorfer Ewan 1933-3-19 10902 Riverside Santa Ana River bottoms at Prador; Santa Ana River, Prador Comment
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Oct 30 2011
  CAS-BOT-BC103900  Salix exigua F. R. Fosberg 1932-3-13 8082 Riverside Thousand Palms Can., Coachella Valley Comment
  UC809721  Salix exigua Philip A. Munz 1949-4-13 13046 Riverside wash above Cottonwood Springs; Colorado Desert, w end Eagle Mts. 1097 Comment
  UCR178565  Salix exigua R. G. Swinney 1967-3-5 0062 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  RSA92653  Salix exigua F. W. Peirson 1933-4-15 10650 Riverside Whitewater River, 4.5 miles above highway from Banning to Indio. 701 Comment
  SD1047  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside Foot of east slope of Santa Rosa Mts., in Diablo Canyon, 3 m. above its mouth, near Clary's Coral Reef Ranch, Colorado Desert Comment
  UCR127339  Salix gooddingii A. C. Sanders, D. Malueg 2003-5-8 26560 Riverside San Jacinto Valley, San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  UCR155299  Salix gooddingii A. C. Sanders 2005-5-4 29837 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  CLARK-A1528-4055  Salix hindsiana var. leucodendroides John C. Roos, Lucille Roos 1952-3-1 5382 Riverside Moreno Comment
  CDA38726  Salix laevigata Mike Lahti 2013-4-13 PDR# 331 P06141938 Riverside East Hemet; Bautista Canyon. 0 Comment
  UCR101455  Salix laevigata A. C. Sanders 1997-3-19 20054 Riverside Lake Skinner area, NE of Bachelor Mtn., small canyon below dry falls, north of dirt track off road from Rawson Cyn. 503 Comment
  UCR159207  Salix laevigata A. C. Sanders, Kelly Volansky 2005-8-31 31563 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
  UC1409163  Salsola paulsenii Philip A. Munz 1973-3-21 18330 Riverside between Indio and Palm Desert (across Highway 111 from Shields Date Gardens); between Indio and Palm Desert Comment
  UCR89887  Salsola paulsenii A. C. Sanders 1992-4-5 12160 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley near Wiley's Well rest area on Hwy I-10, along dirt road to McCoy Spring 125 Comment
  HSC86129  Saltugilia grinnellii subsp. grinnellii M. H. Frost, Jr. 1954-6-6 13 Riverside San Jacinto Mtns. 1524 Comment
  RSA771348  Saltugilia latimeri Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4823 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
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Jul 19 2015
  SD48522  Salvia apiana E. K. Balls, P. C. Everett 1957-11-4 22748 Riverside Snow Creek near old Fish Hatchery, north base San Jacinto Mountains. 701 Comment
  RSA33779  Salvia columbariae N. C. Cooper 1944-6-4 1349 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  RSA651682  Salvia columbariae Marion P. Harthill 1971-3-19 34 Riverside Palm Desert. Comment
  RSA793534  Salvia columbariae Naomi S. Fraga, David Fracker, Tommy Stoughton 2012-3-15 3943 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  SDSU7475  Salvia columbariae A. H. Gallup 1949-3-28 Riverside Palms to Pines Hwy, above Desert Center [interpreted to be Palm Desert], in dry wash, east slope, San Jacinto Mt. Range, Colorado Desert drainage area Comment
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Jan 30 2013
  UC1124723  Salvia columbariae H. S. Yates 1937-3-23 6411 Riverside 3 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UCR108140  Salvia columbariae B. G. Pitzer 1997-3-23 2998 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
  RSA0073234  Salvia columbariae Bonnie C. Templeton, I. W. Clokey 1930-4-9 1004 Riverside San Gorgonio Pass, north end of Colorado Desert. 609 Comment
  HSC79771  Salvia eremostachya James Henrickson 1973-3-18 8612 Riverside 33 (air) mi. E of Temecula, 5-7 mi SE of Terwilliger, at N end of Coyote Canyon Rd., first steep grade down to canyon 762 Comment
  UC416703  Salvia eremostachya L. G. Childs 1920-11-26 Riverside Martinez Canyon; Colorado Desert, Santa Rosa Mts. Comment
  UCLA49887  Salvia greatae Edmund C. Jaeger 1926-2-28 Riverside 18 mi se Mecca; Salt Creek Wash Comment
  RSA78309  Salvia pachyphylla subsp. pachyphylla P. A. Munz, B. K. Balls 1952-8-21 17995 Riverside Road, Vandeventer Flat to Santa Rosa Peak. 2073 Comment
  UCSB21139  Salvia vaseyi Keefe, Joseph 1967-3-23 Riverside Whitewater Canyon Road; 1.9 miles north of U.S. Highway 99; east of Banning 609 Comment
  CLARK-A1528-379  Sambucus caerulea John C. Roos, Lucille Roos 1951-10-24 5341 Riverside Pedley 243 Comment
  POM12853  Sambucus caerulea P. A. Munz 1922-6-24 5791 Riverside Pipe Creek, Hemet Valley 1402 Comment
  CAS-BOT-BC238851  Sambucus nigra subsp. caerulea A. M. Vollmer; L. Beane 1953-6-29 16 Riverside Oak Glen, San Bernardino Mountains Comment
  UCR16577  Sanicula arguta Sally Crum 1966-3-20 s.n. Riverside Santa Ana Mtns., about 6 mi. west on Tenaja Rd. from Washington Ave. in Murrieta 1315 Comment
  RSA585620  Sanicula bipinnatifida D. L. Banks, S. D. Boyd 1995-3-15 55 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Agua Tibia Mtn., Dorland Mtn. area. 744 Comment
  HSC86140  Sarcodes sanguinea B. Freeman 1969-6-12 6906121 Riverside San Jacinto Mtns. University of California James Reserve. Near stream S of lodge Comment
  VVC691  Sarcostemma cynanchoides P. J. MacKay, T. Thomas 1997-2-8 105 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  UC1123579  Sarcostemma cynanchoides subsp. hartwegii H. S. Yates 1936-4-6 5407 Riverside Palm springs San Jacinto Quad., Palm springs Comment
  UCR35277  Saxifraga californica L. B. Ziegler 1974-4-2 523 Riverside San Jacinto Mountains, foothills of the San Jacinto Mountains, hillside slopes of lower Bautista Canyon 612 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
  CHSC35471  Schismus barbatus James Henrickson 1973-3-18 8590 Riverside 16 (air) miles E of Temecula, 2.9 miles E of Aguanga along Hwy 71. 822 Comment
  RSA401453  Schismus barbatus Christopher Davidson 1973-4-1 1785 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA784744  Schismus barbatus Duncan S. Bell 2012-2-12 3089 A Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SBBG101676  Schismus barbatus S. Boyd with T. Ross, M. Hammitt 1991-5-2 6050 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  UCR116509  Schismus barbatus A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20656 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR134592  Schismus barbatus Marisa Sripracha, Kyle Boyd 2004-2-14 008 Riverside Sonoran (Colorado) Desert, Snow Creek, 25 m from Snow Creek Road, 0.7 km south of Hwy 111 352 Comment
  UCR13394  Schoenoplectus acutus var. occidentalis William A. Hunt 1972-5-19 720519- 01 Riverside Upper Santa Ana River Basin, Riverside, behind UCR Religious Center, Watkins House, past canal 305 Comment
  UC2094  Scirpus cernuus A. J. McClatchie May, 1892 24 Riverside Elsinore Comment
  POM158429  Scrophularia californica subsp. floribunda Philip A. Munz 1927-5-21 10850 Riverside San Carlos Pass. 2 mi. S.E of Anza. Comment
  RSA425207  Scrophularia californica subsp. floribunda Christopher Davidson 1977-5-18 5615 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  RSA677  Scutellaria bolanderi subsp. austromontana J. T. Howell 1927-8-2 568 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  SD90502  Scutellaria siphocampyloides Robert F. Thorne, J. P. Simon and C. W. Tilforth 1969-6-24 38090 Riverside Above James Reserve in Hall Canyon, San Jacinto Mountains. 1676 Comment
  UCR95960  Scutellaria siphocampyloides Scott D. White 1996-8-1 4414 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA0074166  Scutellaria siphocampyloides John Olmsted 1958-6-15 183 Riverside North shore of Hemet Lake, 10 miles south of Mt. Center just off Pines to Palms Hwy. Mt. Range: San Jacinto Mountains; Drainage area: S. Fk. San Jacinto R. 1326 Comment
  UCR228856  Secale cereale A. C. Sanders, T. B. Salvato 2011-3-28 38822 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 Comment
  HSC920  Selaginella bigelovii L. S. Rose 1966-12-14 66107 Riverside Chino Canyon, 3 mi. W of Palm Springs 671 Comment
  POM14971  Selaginella bigelovii Mary F. Spencer 1921-5-28 1697 Riverside San Jacinto 609 Comment
  RSA683705  Selaginella bigelovii Mary V. Hood 1945-3-27 s.n. Riverside Verdugo Ranch near Aguanga, Riverside -San Diego Co line. 610 Comment
  SD136993  Selaginella bigelovii Steve Boyd, Tim Ross 1992-5-4 7204 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 730 Comment
  UC1177500  Selaginella bigelovii Lewis S. Rose 1959-1-14 59014 Riverside White Water; Mission Canyon 426 Comment
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Apr 20 2013
  RSA613236  Selaginella watsonii Louis Cutter Wheeler 1931-10-3 241 Riverside 3/4 mi. NNE Tahquitz Peak, San Jacinto Mts. 2560 Comment
  UC218674  Selaginella watsonii P. A. Munz 1922-7-7 6045 Riverside summit San Jacinto Peak 3285 Comment
  RSA0125051  Senecio californicus Henry J. Ramsey, Henry J. Ramsey 1959-4-22 s.n. Riverside Aguanga. Comment
  SD181683  Senecio californicus var. californicus Scott D. White, Tasha La Doux 2000-4-20 7709 Riverside Gibbel Flat In the Santa Rosa Hills. 609 Comment
  RSA735230  Senecio flaccidus Scott D. White, Angelia Carey 2004-6-4 10479 -B Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  UCR280983  Senecio flaccidus var. douglasii Mitch Provance 2017-5-25 517- 66 Riverside Temescal Valley, 0.3 to 0.5 miles SE of Indian Truck Trail, between Temescal Canyon Rd. and Hwy. 15 361 Comment
  OBI38334  Senecio mohavensis A. C. Sanders, D. Charlton, & B. Pitzer, B. Pitzer 1986-3-3 6137 Riverside N foot of the Chuckwalla Mts, 2-3/4 mi airline SE of Desert Center 366 Comment
  SD258926  Senegalia greggii Sarah J. De Groot, Rachel Darney-Lane 2016-6-14 7905 Riverside Whitewater Canyon; along the Pacific Crest Trail, ca. 0.7 air mile south of Red Dome, ca. 1.1 trail miles northnorthwest of Whitewater Preserve, west of Whitewater River. 737 Comment
  SEINET238185 Image available Sesuvium verrucosum T. B. Salvato, A. C. Sanders; Mitch Provance 2000-1 45 Riverside Coachella Valley: 50th St. ca 1 mi W of Filmore, 1.5 mi E of town of Coachella. -24 Comment
  RSA0112042  Setaria adhaerens A. C. Sanders, Jose Aguiar 2012-12-19 40533 Riverside Sonoran (Colorado) Desert: Coachella Valley, NE of Mecca above intersection of Ave. 62 and Johnson St. near Coachella Canal. -8 Comment
  SEINET7295535 Image available Setaria adhaerens Malcolm A. Nobs, S. Galen Smith 1948-1 492 Riverside Citrus grove, 2 miles north of Indio Comment
  RSA559453  Sidalcea malviflora Steve Boyd, T. S. Ross 1992-5-5 7215 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  RSA768656  Sidalcea malviflora subsp. sparsifolia Justin M. Wood 2010-3-19 1429 Riverside Beaumont: Near Smith Creek, E of Sun Lakes off S Highland Home Rd. 747 Comment
  OBI36581  Sidalcea sparsifolia A. C. Sanders & S. D. Boyd, S. D. Boyd 1980-4-17 s.n. Riverside San Jancinto Mts. Pine Meadow in upper Garnder Valley, along hwy 74, 0.7 mi E of jctn with Hwy 371 1524 Comment
  RSA586135  Silene antirrhina D. L. Banks 1995-4-11 0178 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
  RSA85405  Silene antirrhina J. C. Roos, L. Roos 1952-4-28 5590 Riverside Box Springs Mtns. 396 Comment
  POM305921  Silene gallica Henry J. Ramsey 1937-4-2 I- 099 Riverside Elsinore-Capistrano Comment
  SDSU13644  Silene laciniata subsp. laciniata W. Miller, C. Mosse 1972-7-11 Riverside On path under oak east of rock slide (150 yards from road by dam). Comment
  POM12909  Silene parishii var. viscida P. A. Munz 1922-6-28 5867 Riverside Peak west of Toro Peak 2470 Comment
  UCR35133  Silene verecunda subsp. platyota L. B. Ziegler 1968-6-11 310 Riverside San Jacinto Mtns, Hemet Valley (= Garner Valley) 1418 Comment
  UC1281215  Simmondsia chinensis H. E. McMinn 1937-3-5 4486 Riverside on road from Pinto Basin to Mecca (ne border of Cottonwood Mts.); ne border of Cottonwood Mts. Comment
  UC218089  Simmondsia chinensis P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4784 Riverside vicinity Corn Springs (Chuckwalla Mountains); Colorado Desert, Chuckwalla Mountains 457 Comment
  UCR216205  Simmondsia chinensis Jim Andre, T. La Doux 2009-2-25 10799 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UCSB17802  Simmondsia chinensis Lockwood, Leo 1963-5-5 Riverside 12 miles S of Palm Desert on Palms to Pines State Highway 74, San Jacinto Mountains 914 Comment
  UCR26950  Sisymbrium altissimum E. W. Lathrop 1966-4-27 6215 Riverside Santa Ana Mtns., Main Divide Truck Trail between El Cariso and San Mateo Canyon, Cleveland National Forest. 1220 Comment
  UC1550222