Search Results — 2000 specimen records retrieved (1890 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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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCD109832  Abronia villosa Scora 1966-4-1 3026 Riverside 400 meters before Hidden Spring Oasis on road from Thousand Palms. Comment
Read comments
Feb 23 2014
  SD143825  Abronia villosa var. aurita Scott D. White 1997-5-25 5221 Riverside Bautista Canyon, along Bautista Canyon Rd. ca. 1.3 miles northwest of Hixon Trailhead. 700 Comment
  UCR149393  Acacia baileyana Scott D. White 2003-12-1 9894 Riverside Santa Ana River Valley; city of Riverside; La Sierra area 244 Comment
  UCR35039  Acacia greggii L. B. Ziegler 1967-8-23 211 Riverside San Jacinto Mtns, Pinyon Flats; dry washes on the flats 1250 Comment
  RSA414908  Acacia greggii var. arizonica Anstruther Davidson 1892-05 s.n Riverside Banning. Comment
  RSA191422  Achnatherum coronatum E. W. Lathrop, Robert F. Thorne 1967-9-26 6607 Riverside 6 mi. NW of Murrieta, Tenaja Road at the pass entering valley leading to Tenaja Guard Stat. 610 Comment
  SEINET7300421 Image available Achnatherum coronatum R. W. Pohl 1963-5-29 9429 Riverside S fork of San Jacinto River and N fork of San Jacinto River, Hy 74 Comment
  UCD60362  Achnatherum latiglume Peter Kamb 1948-7-4 1182 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  RSA494624  Achnatherum speciosum Maureen H. Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  CAS-BOT-BC384719  Achyronychia cooperi John Thomas Howell 1931-6-5 6655 Riverside 1 mile east of Whitewater Comment
  SFV4435  Achyronychia cooperi D. S. Verity, J. Turner, F. M. Ball 1964-2-15 s. n. Riverside East side of Salton Sea near Mecca Beach. About 6.5 miles north of Imperial County line. Comment
  SBBG67318  Acmispon argophyllus var. argophyllus M. N. Ackley 1928-4-1 549 Riverside Snow Crk, Mt San Jacinto 609 Comment
  JOTR34097  Acmispon glaber var. brevialatus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2936 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; steep bouldery slopes between drainages Comment
  UC2015534  Acmispon maritimus A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 15987 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  SBBG101801  Acmispon strigosus S. Boyd, T. Ross, M. Hammitt 1991-5-2 6048 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
  UCR26997  Acourtia microcephala E. W. Lathrop 1966-5-17 6547 Riverside Santa Ana Mtns., Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  SBBG65794  Adenophyllum porophylloides Anstruther Davidson, S. B. Parish 1898-1 Riverside Palm Springs Comment
  UC667304  Adenophyllum porophylloides Annie M. Alexander and Louise Kellogg 1941-5-15 2181 Riverside in rock outcrop at base Eagle Mountains; Colorado Desert, Eagle Mountains 914 Comment
  CDA22503  Adenostoma fasciculatum Mike Lahti 2008-7-16 PDR# 1473243 Riverside Hemet, 41801 East Benton Rd. 0 Comment
  UCR16481  Adenostoma fasciculatum Joe Buriel 1966-4-22 s.n. Riverside Peninsular Range, 5 miles north of Temecula off Hwy 395. Along small service road bordered by telephone poles 457 Comment
  UCR174126  Adenostoma fasciculatum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32634 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
  CLARK-A1528-3059  Adenostoma sparsifolium Mike Cline 1966-11-23 Riverside San Jacinto Mountains Comment
  UCR237942  Adenostoma sparsifolium Mark A. Elvin 2004-6-2 3500 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, east of Hwy 74 between Fobes Ranch Rd. and Morris Ranch Rd. at base of foothills 1402 Comment
  SD84928  Adiantum capillus-veneris Nancy Ryan Zabriskie, Walter Zabriskie 1971-11-27 466 Riverside Andreas Canyon, east slope of San Jacinto Mountains, ca. 25 feet north of stream bank, 200 yards below juncture with north canyon 359 Comment
  POM177872  Adiantum jordanii Marcus E. Jones 1930-3-5 26524 Riverside Glen Ivy Comment
  RSA741069  Agoseris heterophylla Scott D. White, Justin M. Wood 2008-6-5 12077 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UCR201475  Agoseris heterophylla Scott D. White, Justin M. Wood 2008-6-5 12077 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 Comment
  UCR44418  Agoseris retrorsa A. C. Sanders 1986-6-1 06562 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  UCR96599  Agrostis exarata Scott D. White 1996-8-1 4452 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  SEINET10467647  Agrostis oregonensis David B. Dunn 1946-8-17 Dunn 2707 Riverside Found in dry soil of taquitz valley in the san jacinto mts. Comment
  RSA681918  Agrostis pallens Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9586 Riverside Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  UCR193870  Agrostis pallens A. C. Sanders, Mitch Provance 2008-7-11 35792 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  SBBG59483  Agrostis scabra R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
  POM14992  Allenrolfea occidentalis Mary F. Spencer 1920-3-15 s.n. Riverside Mecca, Colorado Desert. -48 Comment
  UCSB10610  Allenrolfea occidentalis Gill, Robert 1959-11-22 Riverside Hot Mineral Springs - Salton Sea; Colorado Desert drainage area Comment
  CLARK-A1656-796  Allionia incarnata Jon Mark Stewart 1982-10-11 Riverside San Jacinto Mountains 487 Comment
  SBBG51138  Allionia incarnata W. W. Zabriskie 1974-2-28 156 Riverside W-facing slope of Pipistrelle Cyn, N slope of Santa Rosa Mtns 807 Comment
  JOTR16734  Allium fimbriatum var. fimbriatum Wanrow, E. 1968-5-4 s.n. Riverside Joshua Tree National Park. RYAN MOUNTAIN PARKING LOT 1341 Comment
  JEPS61528  Allium haematochiton W. L. Jepson 1927-4-11 11719 Riverside near Banning (Beaumont); Beaumont Comment
  RSA689373  Allium haematochiton Scott D. White 2001-4-19 8376 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
  UC479033  Allium haematochiton Marcus E. Jones, A. M. 1931-3-2 28394 Riverside Corona Comment
  CLARK-A1539-1  Allium munzii Steve Boyd 1982-4-27 Riverside Temescal Canyon Comment
  UC843364  Allium praecox C. B. Clokey, I. W. Clokey, B. C. Templeton 1930-4-15 4625 Riverside Gavilan Peak 550 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
  UCD118012  Allophyllum divaricatum A. C. Sanders; P. MacKay, T. Thomas, O. Clarke 1997-5-4 20633 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 miles below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740. 1067 Comment
  UCR31327  Allophyllum divaricatum A. C. Sanders, W. Rehlaender, N. M. Fellows 1983-6-28 3874 Riverside San Jacinto Mtns, Black Mountain, intersection of Forest Road 4S01 and the road to the lookout on the summit 2134 Comment
  RSA773667  Allophyllum violaceum Duncan S. Bell, J. D. England 2010-5-20 1030 Riverside San Bernardino National Forest: Garner Valley, approximately 2 miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1374 Comment
  CAS-BOT-BC170130  Alnus rhombifolia Louis C. Wheeler 1933-12-2 2301 Riverside Tahquitz Canyon, San Jacinto Mts. 243 Comment
  LA204065  Alnus rhombifolia Louis C. Wheeler; 1933-12-2 2301 Riverside San Jacinto Mountains, Tahquitz Canyon 2438 Comment
  JOTR35164  Amaranthus albus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3270 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  UCR167796  Amaranthus albus T. B. Salvato, Melissa Clemons 2005-6-23 1319 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  SBBG133569  Amaranthus blitoides S. D. White, A. Carey, L. Archa 2004-8-5 10669 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Indian Creek from confluence w/ San Jacinto River to +/- 2 mi upstream. 534 Comment
  UCR20310  Amaranthus blitoides John C. Roos 1965-7-27 s.n. Riverside Hemet Comment
  UCR77569  Amaranthus blitoides Steve Boyd 1991-9-8 6435 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 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
  UCR94925  Amaranthus palmeri Scott D. White 1996-9-22 4533 Riverside Perris Basin, Perris: Nuevo Road, just east of San Jacinto River crossing 435 Comment
  UCR269224  Amaranthus powellii T. B. Salvato, Arlee Montalvo 2015-8-22 8238 Riverside San Jacinto Mountains, Apple Canyon Road, 1.35 air miles northeast of its junction with Hwy 74 1418 Comment
  JOTR30755  Ambrosia acanthicarpa Andre, Jim, Tasha La Doux 2007-9-6 8708 Riverside Joshua Tree National Park. Queen Valley, just E. of Geology Tour Rd. in July 2006 burn area. 1318 Comment
  POM319667  Ambrosia acanthicarpa Patricia Wilder 1971-9-29 5263 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street, Valle Vista; east of Hemet. On dry river bed. 518 Comment
  CAS-BOT-BC45012  Ambrosia confertiflora Louis C. Wheeler 1933-12-1 2278 Riverside Banning 731 Comment
  SD244067  Ambrosia confertiflora O. F. Clarke 2009-11-26 Riverside Peninsular Range: Riverside; O.F. Claarke residence, 266 Frost Court; east edge of UCR campus. 351 Comment
  UCR278879  Ambrosia confertiflora Mitch Provance 2012-7-17 712- 19 Riverside Beaumont Plain, Banning, south of I-10, vicinity of corner of Sunset Ave. and Westward Ave. 741 Comment
  CLARK-A1528-5217  Ambrosia dumosa John C. Roos 1937-4-28 766 Riverside Hayfield Comment
  POM250429  Ambrosia dumosa I. W. Clokey 1935-4-17 6729 Riverside Mecca to Shaver's Well Comment
Read comments
Apr 24 2011
  RSA776577  Ambrosia dumosa Amber Swanson 2011-4-8 369 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  SD229057  Ambrosia dumosa Dick Schwenkmeyer 2012-11-6 861 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  UC1329946  Ambrosia dumosa James E. Cole 1941-4-13 569 Riverside .5 mi n Meek's Cabin; Joshua National Monument, Pinto Pass Comment
  SEINET10725765  Ambrosia dumosa David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3612 Riverside Pushawalla Canyon, Indio Hills of the Colorado desert; west of Indio. Comment
  UC1595693  Ambrosia ilicifolia W. Wisura, J. Romero, and M. Husar 1992-4-24 4706 Riverside n base of Chuckwalla Mts. (Corn Spring); Colorado Desert, , Corn Spring Comment
  UCR24358  Ambrosia ilicifolia John C. Roos 1958-3-15 s.n. Riverside Sonoran (Colorado) Desert, 2.5 mi. SE of Desert Center, Chuckwalla Mts. Comment
  RSA33662  Ambrosia psilostachya N. C. Cooper 1943-10-9 963 Riverside Hemet. 305 Comment
  RSA0008347  Ambrosia pumila Steve Boyd, Timothy S. Ross, David Zippin, Tom Oberbauer 1991-6-14 6331 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  OBI26016  Ambrosia salsola David J. Keil 1977-1-2 11932 Riverside Chiriaco Summit along I-10 between Indio and Blythe Comment
  SBBG97706  Ambrosia salsola var. salsola W. L. Halvorson 1977-3-8 77 -76 Riverside ca. 1 mi S of the S entrance to Joshua Tree Nat Monument Comment
  UCSB24500  Ambrosia salsola var. salsola McMinn, Howard 1935-6-27 Riverside Palm Canyon Region Comment
  UC472696  Amelanchier utahensis M. F. Spencer 1922-6-6 Riverside Mt. Tahquitz; San Jacinto Mts. 2696 Comment
Read comments
Jul 5 2008
  UCR85580  Ammannia robusta Julie A. Greene 1993-6-11 1358 Riverside San Jacinto Valley, San Jacinto Wildlife Area [NW of Lakeview] 441 Comment
  RSA156027  Amorpha californica P. H. Raven 1962-5-18 17752 Riverside [Santa Ana Mountains] Main Divide truck trail 2.9 miles south of Santiago Peak. 1234 Comment
  UCR43346  Amorpha californica R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61186 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: Cole Canyon. 534 Comment
  SJSU4445  Amorpha fruticosa R. L. MacDonald 1962-4-17 Riverside Palm Canyon, E slope San Jacinto Mtn near Palm Springs Comment
  CAS-BOT-BC168085  Amsinckia intermedia A. C. Sanders; Guy Bruyea 2004-4-2 27406 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  RSA0089613  Amsinckia intermedia A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25834 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  UCR102120  Amsinckia intermedia George K. Helmkamp 1984-5-2 D 7 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  POM9587  Amsinckia menziesii I. M. Johnston 1920-5-8 s.n. Riverside Near Wineville [RR Station] in sand by road[Wineville = Mira Loma] Comment
  RSA0089938  Amsinckia menziesii D. E. Harvey 1969-4-20 690420 -2 Riverside Juniper Flats at Stubbe Springs parking area. Joshua Tree National Monument. Comment
  RSA0089922  Amsinckia menziesii var. menziesii H. de Forest, George C. Johnstone 1925-4-17 s.n. Riverside Cabazon. Comment
  UCR41830  Amsinckia tessellata A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6104 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA772408  Amsinckia tessellata var. tessellata Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4857 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UCR133676  Anagallis arvensis 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
  RSA336208  Anagallis minima Robert F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51984 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  SD137914  Ancistrocarphus filagineus Darin L. Banks, Steve Boyd 1995-5-9 329 Riverside Northwest Palomar Mountains, north of Agua Tibia Wilderness Area; north slope of Agu Tibia Mountain, the Dorland Mountain area. 730 Comment
  UCR281219  Ancistrocarphus filagineus Mitch Provance, Jeremiah George 2017-3-23 317- 42 Riverside Temescal Valley, east side of Campbell Ranch Rd., +- 500 ft. north of Indian Truck Trail 361 Comment
  RSA296116  Andropogon glomeratus B. A. Prigge 1980-8-11 3887 Riverside San Bernardino Mountains, Whitewater Canyon: 1.1 miles N of Interstate 10. 473 Comment
Read comments
Jan 14 2010
  UC56664  Anemopsis californica H. M. Hall 1897-5-31 594 Riverside Southern California, Riverside Riverside; Southern California, Riverside Comment
  UCR172206  Anemopsis californica John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  SD20319  Anisocoma acaulis A. L. Haines, L. Erickson 1937-4-10 Riverside Palsm to Pines Highway near road to Shumay. Comment
Read comments
Dec 17 2011
  UCR230196  Anthemis cotula A. C. Sanders, T. B. Salvato 2011-4-29 39359 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, McLaughlin Rd. east of Palomar Rd., near powerplant and railroad 445 Comment
  RSA192076  Antirrhinum coulterianum E. W. Lathrop 1966-5-25 6340 -b Riverside 9 miles NW of Murrieta, Los Alamos Ranch Comment
  RSA388498  Antirrhinum coulterianum Steve D. Boyd 1986-5-1 1819 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  UCR105430  Antirrhinum coulterianum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20681 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek 915 Comment
  SEINET13388909  Antirrhinum filipes H. M. Hall 1905-5-10 6014 Riverside Cottonwood Springs. 671 Comment
  UCR119363  Antirrhinum nuttallianum A. C. Sanders 1997-3-19 20050 Riverside Lake Skinner area, NE of Bachelor Mtn., small canyon below dry falls, north of dirt track off road from Rawson Cyn. 503 Comment
  RSA444466  Antirrhinum nuttallianum subsp. nuttallianum L. Roos 1966-4-29 s.n. Riverside Hills between March Air Force Base and Lakeview; rocky crevices Comment
  SEINET7063233  Apiastrum angustifolium 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
  UC310839  Apiastrum angustifolium Philip A. Munz 1925-5-20 9819 Riverside 2 mi w of Dripping Spring; Southern California 426 Comment
  UCD127217  Apiastrum angustifolium Rimo Bacigalupi; L. Heckard 1962-3-25 8402 Riverside Temescal Wash, near Archilla siding of the A.T. and S.F. Railway, just below and east of State Highway 71. (About 10 air miles northwest of Elsinore). 335 Comment
  UCR111968  Apiastrum angustifolium A. C. Sanders, T. B. Salvato 2000-5-25 23399 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
  RSA97396  Apiastrum angustifolium F. W. Peirson 1922-5-19 5430 Riverside 5 miles northeast of Murrieta. Comment
  OBI37485  Apium graveolens Steve Boyd 1985-7-23 1011 Riverside De Luz Rd, 7 mi W of Rancho Calif 366 Comment
  POM78905  Apium graveolens I. M. Johnston 1925-7-19 5332 Riverside Pedley-Arlington Road. Comment
  UC22901  Apocynum androsaemifolium H. M. Hall 1901-6 Riverside ridges & peaks near Tahquitz San Jacinto Mts. 2286 Comment
Read comments
Aug 3 2008
  UCR263734  Apocynum cannabinum Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5002 Riverside San Jacinto Mountains, Strawberry Creek below Strawberry Valley, c. 2.25 air mi southwest of Idyllwild 1540 Comment
  UCR35000  Apocynum cannabinum L. B. Ziegler 1968-6-20 319 Riverside San Jacinto Mtns., Fuller Mill Creek, edge of the campground in the canyon bottom 1677 Comment
  RSA0126309  Arabis glaucovalvula P. A. Munz 1949-4-11 13019 Riverside Near Conejo Well, north base of Eagle Mts., Mohave Desert. 914 Comment
  RSA482629  Arabis pulchra Mark Morris 1929-3-17 14884 Riverside Palm Canyon. Comment
  UCR21187  Arabis pulchra A. C. Sanders 1980-5-1 1383 Riverside San Jacinto Mtns, Garner Valley area, 0.7 mi NE of the Kenworthy R.S. on Morris Ranch Rd. 1524 Comment
  CAS-BOT-BC410047  Arceuthobium campylopodum Louis C. Wheeler 1931-10-4 242 Riverside Strawberry Valley, San Jacinto Mountains 1584 Comment
  RSA629153  Arctostaphylos Jon E. Keeley 1992-7-17 16786 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629430  Arctostaphylos glandulosa Jon E. Keeley 1992-6-16 16842 Riverside Hwy 243, 38 km N of Idyllwild. 1485 Comment
  POM367284  Arctostaphylos glandulosa subsp. glandulosa H. de Forest, Jack Rempel 1933-6-25 18035 Riverside San Jacinto Mts. 1098 Comment
  RSA629465  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16833 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  UCR241480  Arctostaphylos glandulosa subsp. mollis Tracy Tennant, Jeffrey Ross 1998-4-9 MOR- 1014 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Wood Canyon, east of upper Potrero Canyon 1305 Comment
  POM3409  Arctostaphylos glauca L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto. Comment
  RSA631819  Arctostaphylos glauca Jon E. Keeley 1976-9-7 6028 Riverside About 8 km west of Lake Elsinore. 660 Comment
  SDSU13993  Arctostaphylos glauca Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2146 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of wet meadow (El Valle complex). 646 Comment
  RSA633555  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21793 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633623  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16697 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633645  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20152 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633709  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16663 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  UC1922184  Arctostaphylos patula Naomi Fraga, Valentine Arvizu, Elizabeth Kempton, Tim Thibault 2006-6-7 1696 Riverside Peninsular Ranges; San Jacinto Mountains region; East of Fobes Ranch Road, about 1/2 mile south of Fobes Ranch. 1616 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
  CAS-BOT-BC44362  Arctostaphylos pringlei subsp. drupacea Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  RSA635655  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16639 Riverside Road to Santa Rosa Mtn. (7S02), 3.2 km south of Hwy 74. 1625 Comment
  SD3568  Arctostaphylos pringlei subsp. drupacea Florence Youngberg 1933-8-28 Riverside San Jacinto Mtns., near Idyllwild Pines, near Inspiration Point Comment
  SEINET3093966 Image available Arctostaphylos pringlei subsp. drupacea Janice Hollinger 1972-5-13 720513 -7 Riverside San Jacinto Mtns., Idyllwild. Comment
  LA42247  Arctostaphylos pungens C. B. Wolf; 1931-5-11 1953 Riverside near Pipe Creek, above Hemet Valley, San Jacinto Mts 1676 Comment
  RSA125341  Arctostaphylos pungens P. H. Raven 1958-5-18 12981 Riverside 1.7 miles NE of Pinyon Flats, San Jacinto Mountains. Comment
  RSA636166  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19464 Riverside West of Temecula, off Carancho Rd., west of De Luz Rd., eastern Santa Margarita Mtns. 460 Comment
  UCR101403  Arenaria douglasii A. C. Sanders 1997-4-10 20328 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  CAS-BOT-BC207126  Argythamnia lanceolata John Thomas Howell Jan. 29 1 (rest of year torn off sheet) 3298 Riverside Painted Canyon, Colorado Desert Comment
  UCD166278  Aristida Jack Major 1962-4-17 792 Riverside Pinyon Flat. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  JEPS68442  Aristida adscensionis W. L. Jepson 1912-11-1 5262 Riverside Blythe, Palo Verde Valley 82 Comment
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Aug 29 2012
  RSA782352  Aristida adscensionis Stephanie Rockwood, Christi Gabriel 2011-10-18 121 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 109 Comment
  SEINET192378  Aristida adscensionis I. L. Wiggins 1941-3-27 9676 Riverside South end of Coxcomb Mountains 8 mi northeast of Desert Center. Comment
  UCR104026  Aristida adscensionis George K. Helmkamp, E. A. Helmkamp 1998-2-5 2676 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UCR20454  Aristida adscensionis John C. Roos 1952-4-9 5508 Riverside Riverside, east face of Mt. Rubidoux 366 Comment
  SD248293  Aristida oligantha Marc A. Baker, Amy Robinson, Chris Hackbarth & Michelle Cloud-Hughes. 2013-3-19 17715 Riverside Palo Verde Mesa, 14 km SW of Blythe, 5 km ENE of north end of the Mule Mountains. (Ripley 7.5'Q) Comment
  SEINET244838 Image available Aristida purpurea J. C. Roos 1949-4-8 4198 Riverside Imperial Co., Calif. Comment
  CAS-BOT-BC500348  Aristida purpurea var. nealleyi A. C. Sanders; Jim Malusa 2015-3-10 41372 Riverside Sonoran (Colorado) Desert: N end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mts Aerial Gunnery Range 610 Comment
  RSA38495  Aristida purpurea var. nealleyi P. A. Munz 1946-10-20 11575 Riverside Palms to Pines Highway, 11.5 miles south of Palm Springs to Indio Road. 1037 Comment
  UCR24338  Aristida purpurea var. nealleyi John C. Roos, Lucille Roos 1950-10-21 5012 Riverside Mojave Desert, Little San Bernardino Mountains, Wonderland of Rocks [Joshua Tree National Park] 1220 Comment
  UCR19682  Aristida purpurea var. parishii John C. Roos 1940-2-17 891 Riverside Peninsular Range, Reche Canyon 'Plateau 457 Comment
  UCR2168  Aristida ternipes var. gentilis F. M. Reed 1906-7-8 1128 Riverside Santa Ana River Valley, sand hills west of Pedley [RR] Station 213 Comment
  RSA605742  Artemisia californica Scott D. White 1996-2-18 3812 Riverside Parris Basin. double Butte, NW of Winchester. SE- facing slope of W butte and alluvial soil at base. USGS 7.5 Winchester topo. 457 Comment
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Nov 19 2010
  RSA750538  Artemisia californica Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12588 Riverside San Bernardino Mountains: Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry 640 Comment
  CLARK-A1528-1574  Artemisia dracunculus John C. Roos 1948-10-16 Riverside Beaumont Comment
  RSA502201  Artemisia dracunculus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3708 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
  CAS-BOT-BC93734  Artemisia ludoviciana subsp. albula Louis C. Wheeler 1933-12-2 2296 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  JOTR30293  Artemisia ludoviciana subsp. incompta Andre, Jim, Tasha La Doux 2007-9-6 8704 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  UC205742  Artemisia ludoviciana subsp. incompta S. B. Parish 1918-4-3 11699 Riverside San Jacinto River Canyon; Oak Lodge 914 Comment
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Nov 20 2011
  UCR4346  Artemisia nova L. B. Ziegler 1964-7-11 s.n. Riverside San Jacinto Mtns., 2 mi NE of Kenworthy Ranger Station Comment
  SD43533  Artemisia tridentata subsp. tridentata Philip A. Munz 1946-10-19 11565 a Riverside Coahuila 1095 Comment
  UCR118807  Artemisia vulgaris O. F. Clarke 2000-12-9 s.n. Riverside Peninsular Range, Riverside, in yard of O.F. Clarke residence at 266 Frost Court 360 Comment
  RSA0104762  Asclepias californica A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18122 Riverside San Bernardino Mtns, Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats. 1098 Comment
  RSA4914  Asclepias erosa C. B. Wolf 1932-4-28 3076 Riverside 19 mi. W. of Blythe on the Mecca rd. 122 Comment
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Mar 26 2011
  RSA543155  Asclepias erosa Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6105 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
  UCR278882  Asclepias fascicularis Mitch Provance 2011-6-9 17197 Riverside Santa Ana River Valley, Jurupa Valley, Pedley area, Horseshoe Lake, west of Van Buren Blvd., west of the corner and Studio Pl. and Lakeview Ave. 219 Comment
  UCR25365  Asplenium vespertinum John C. Roos 1952-4-16 5548 Riverside Damp canyon off Reche Canyon. 518 Comment
  RSA0011738  Asplenium vespertinum Steve Boyd, Aydee Virgen 2004-4-13 10896 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA740075  Aster ascendens Scott D. White, Justin M. Wood 2008-6-16 12138 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  POM183876  Aster bernardinus Philip A. Munz 1932-10-16 12838 Riverside Meadow in Hemet Valley, San Jacinto Mts. 1372 Comment
  RSA417656  Aster subulatus var. ligulatus L. C. Wheeler 1932-9-4 1335 Riverside Santa Ana River at Chino Creek 183 Comment
  SD249680  Astragalus aridus J. M. Andre 2013-3-27 24804 Riverside Region: CA-SonM; Rice Valley east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 241 Comment
  RSA0104416  Astragalus coccineus Duncan S. Bell 2015-2-6 7737 Riverside Santa Rosa Mountains; along Cactus Spring Trail, where the trail crosses Horsethief Creek. 1054 Comment
  CAS-BOT-BC177724  Astragalus crotalariae Marcus E. Jones 1906-4-19 s.n. Riverside Borrego Spring 1066 Comment
  CLARK-A1528-2735  Astragalus didymocarpus John C. Roos 1938-4-28 1618 Riverside La Sierra Comment
  RSA0014455  Astragalus didymocarpus Justin M. Wood, J. Miner 2010-4-29 1528 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  CAS-BOT-BC182328  Astragalus didymocarpus var. didymocarpus Marcus E. Jones 1903-5-11 s.n. Riverside Banning 701 Comment
  RSA517736  Astragalus douglasii var. parishii Donald G. Nelson 1936-5-21 380 Riverside Slopes just N of meadow in valley just E of Hurkey Creek Camp area, East of Lake Hemet, and N of Mt. Thomas. In San Jacinto Mtns. Comment
  RSA594523  Astragalus douglasii var. parishii D. L. Banks, Rashmi Pant 1996-5-13 1028 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. 499 Comment
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Jun 4 2014
  UCR122544  Astragalus douglasii var. parishii George K. Helmkamp, E. A. Helmkamp 2001-5-20 6674 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  RSA321311  Astragalus filipes L. B. Ziegler 1972-5-17 457 Riverside San Jacinto Mtns. Hemet (Garner) Valley. 1418 Comment
  UCR158256  Astragalus gambelianus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30107 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CAS-BOT-BC186908  Astragalus insularis var. harwoodii Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center, Colo. Desert Comment
  CLARK-A1528-2745  Astragalus insularis var. harwoodii John C. Roos 1949-4-10 4222 Riverside Chuckwalla Mountains Comment
  RSA775106  Astragalus insularis var. harwoodii Duncan S. Bell, Michael Hee 2011-3-18 2047 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  SEINET1906293 Image available Astragalus lentiginosus var. albiflorus Sarah J. De Groot, J. Mark Porter 2006-1 5197 Riverside North foot of San Jacinto Mts, between snow Creek Road and Highway 111. 366 Comment
  LA204980  Astragalus lentiginosus var. coachellae Harlan Lewis; 1937-3-7 sn Riverside White Water 304 Comment
  UCR236899  Astragalus pachypus var. jaegeri Duncan S. Bell, Naomi Fraga 2010-4-22 854 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 1.6 air mi southeast of junction of Hwy 74 and FS Road 5S15 841 Comment
  SEINET10943732  Astragalus palmeri Charles L. Hitchcock 1940-4-4 Hitchcock 5945 Riverside Pinto Basin. Sandy wash. Comment
  RSA415658  Astragalus pomonensis N. C. Cooper 1944-5-21 1237 Riverside Hemet. 549 Comment
  UCR120921  Astragalus pomonensis A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24943 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  OBI70233  Astragalus tricarinatus Lyman Benson 1945-1 Riverside Comment
  POM96857  Astragalus tricarinatus M. French Gilman 1926-5-9 A 3 Riverside Colorado Desert. Morogo Wash. Comment
  RSA613330  Athysanus pusillus D. L. Banks 1997-3-6 1394 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Fiesta Grounds , east of Pechanga Creek along the northern fork of Pechange Creek at the eastern end of the Reservation. 424 Comment
  UCR234287  Athysanus pusillus A. C. Sanders, John F. Green 2012-3-26 40001 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, mouth of a small canyon between Horsethief Canyon and I-15 Fwy crossing of Temescal Wash, west of Hostettler Rd. 369 Comment
  POM293697  Atrichoseris platyphylla Lyman Benson, Robert Benson 1952-4-8 14847 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area 610 Comment
  RSA0020587  Atrichoseris platyphylla J. Andre 2013-3-27 24822 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  UCR180227  Atrichoseris platyphylla Scott D. White, Pam Devries 2006-3-14 11254 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  RSA696731  Atriplex canescens J. Russell Bruff 1929-1-1 407 Riverside Roadside foot of Jackrabbit Grade. Comment
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Mar 20 2011
  SEINET3930848  Atriplex canescens Stewart C. Sanderson 1993-11-18 93 -039 Riverside North Shore.; 0 Comment
  UC110326  Atriplex canescens T. S. Brandegee Nov 1891 Riverside Salton Comment
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Sep 11 2011
  UC1366101  Atriplex canescens K. R. Montgomery 1969-9-7 69 -31 Riverside 18 mi s Hemet (1.5 mi e of Riverside Co. Hgwy 3, on Wilson Valley Road); s of Hemet Comment
  UCR113603  Atriplex canescens A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23673 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
  JOTR36387  Atriplex canescens subsp. canescens La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3340 Riverside Joshua Tree National Park. Pleasant Valley: S of Hexie Mountains, on edge of road in playa 999 Comment
  JEPS59593  Atriplex canescens subsp. linearis Marjorie D. Clary 1932-10-2 1569 Riverside Point Happy 6 mi w Indio (along edges Whitewater Wash, Colorado Desert); Colorado Desert, Point Happy, w of Indio 30 Comment
  RSA696734  Atriplex canescens var. laciniata J. R. Bruff 1927-10-8 s.n. Riverside Thousand Palms. Comment
  RSA5452  Atriplex canescens var. linearis C. B. Wolf 1932-10-13 s.n. Riverside NE side of S.P.R.R. at Durmid on N.E. side of Salton Sea -61 Comment
  RSA543882  Atriplex coronata var. notatior Steve Boyd, Dave Bramlet 1991-5-13 6238 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  RSA593914  Atriplex coronata var. notatior Steve Boyd, Dave Bramlet 1996-4-19 8597 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  RSA0009703  Atriplex elegans var. fasciculata Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  LA204681  Atriplex hymenelytra S. Beller; 1926-4-20 sn Riverside Palm Springs 121 Comment
  POM8164  Atriplex hymenelytra Mary F. Spencer 1920-3-19 270 Riverside Palm Springs. 122 Comment
  JOTR01005  Atriplex hymenelytra Cole, James E. 1941-4-13 570 Riverside Joshua Tree National Park. PINTO PASS; 0.5 MILES NORTH OF MEEK'S CABIN Comment
  RSA0104081  Atriplex polycarpa Duncan S. Bell, Evan Meyer 2014-10-28 7666 Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  RSA478375  Atriplex polycarpa Allen 1920-10 s.n. Riverside Palm Springs. Comment
  UCR281866  Atriplex polycarpa A. C. Sanders, Jim Malusa 2017-9-22 43374 Riverside Sonoran (Colorado) Desert, Arroyo Seco between Chuckwalla and Chocolate Mountains, at edge of Chocolate Mtns. Aerial Gunnery Range along Bradshaw Trail, c. 5 km NNE of Surveyors Pass 655 Comment
  UCR123221  Atriplex rosea O. F. Clarke, Jeanine Derby 1973-9-14 s.n. Riverside Peninsular Range, Temecula 300 Comment
  UCR59799  Atriplex serenana Jeri Hirshberg 1989-7-20 s.n. Riverside Vicinity of Lake Skinner: drainage west of dam Comment
  CDA23321  Atriplex serenana var. serenana Mitch Provance 2000-9-28 2266 Riverside Riverside: N side of Latham St., ca. 1/8 mile W of intersection with Keats Dr. Comment
  UCR110379  Atriplex suberecta A. C. Sanders, Mitch Provance 1999-9-26 23115 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR138648  Avena barbata D. L. Banks 1997-2-17 1279 Riverside Agua Tibia Mtns., NW Palomar Mountains, Pechanga Indian Reservation. Along Pechanga Rd. in the Reservation, c. 10 m west of the Pechanga Tribal Government Center 367 Comment
  IRVC504  Baccharis brachyphylla R. H. Whittaker, W. A. Niering 1963-6-7 SJ 294 Riverside Palms to Pines Highway; slope E-22 degrees open, gabbro-serpentine soil, chaparral-desert scrub transition Santa Rosa Mountains 945 Comment
  RSA48866  Baccharis brachyphylla J. C. Roos, L. Roos 1949-9-17 4659 Riverside Canyon bottom near oasis with Palms, a side canyon, E side Whitewater Wash, W slope Painted Hill, 2.2 miles N of Hwy 99 Comment
  SFV3737  Baccharis pilularis C. T. Brandhorst 1963-3-15 s. n. Riverside Palm Desert. Comment
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Mar 10 2013
  UCR270761  Baccharis pilularis T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8367 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  CAS-BOT-BC106743  Baccharis salicifolia Robinson; Crocker 1916-4-3 s.n. Riverside Elsinore REgion Comment
  RSA770681  Baccharis salicifolia Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4758 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65120 604 Comment
  UCR270757  Baccharis salicifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8371 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  UCR19494  Baccharis salicina John C. Roos 1965-10-6 s.n. Riverside Santa Ana River at Pedley 201 Comment
  UCR90974  Baccharis salicina Scott D. White 1996-2-18 3804 Riverside Perris Basin, Double Butte, NW of Winchester, SE-facing slope of west butte and alluvial soil at base 490 Comment
  JOTR36394  Baccharis sergiloides La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3346 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 100 m W of Pinyon Well site at spring Comment
  PASA2173  Baeria aristata Frank W. Peirson 1922-5-19 Riverside 5 miles northeast of Murietta 457 Comment
  CAS-BOT-BC295892  Bahiopsis parishii Munz; Street 1919-5-7 2722 Riverside Colorado Desert. Tahquitz Canon [Canyon], Palm Springs Comment
  UCR138576  Baileya pleniradiata Steve Boyd, Orlando Mistretta 1986-3-13 1439 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  SEINET10479071  Bassia hyssopifolia Jon Ricketson, Heidi H. Schmidt 1992-10-25 Ricketson 4921 Riverside Salton Sea. At the junction of California Highway 111, (Commercial Street), along Vander Veer Road (to North Shore Marina), in the town of North Shore. North end of the Salton Sea, in the Coachella Valley. 60 Comment
  RSA296176  Bebbia juncea B. A. Prigge 1980-8-5 3856 Riverside Whitewater Canyon, 0.5 miles N of trout farm 701 Comment
  UCR136262  Bebbia juncea A. C. Sanders 2004-6-20 28231 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd., wash near I-15 & Temescal Cyn. Rd., west of main clay pit 305 Comment
  CAS-BOT-BC100119  Bebbia juncea var. aspera H. M. Hall 1905-5-2 5971 Riverside Chuckawalla Mts. Comment
  SEINET3146051  Bebbia juncea var. aspera H. M. Hall 5841 Riverside near Salton 46 Comment
  UC893872  Bebbia juncea var. aspera I. W. Clokey 1935-4-17 6966 Riverside Shavers Wells Comment
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Dec 13 2011
  LA204858  Bernardia incana Lee Haines; R. Erickson 1937-4-10 sn Riverside Palms to Pines Highway near road to Shumay Comment
  UCD166227  Bernardia incana Jack Major 1962-4-16 770 Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  RSA585516  Bloomeria crocea Darin L. Banks, Steve Boyd 1995-5-9 382 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
  SEINET12049901  Bloomeria crocea N. C. Cooper 1944-1 1542 Riverside San Jacinto Mtns. (Pine Cove) 1676 Comment
  CAS-BOT-BC16273  Boechera perennans C. L. Hitchcock 1940-4-5 5966 Riverside Cliffs above Cottonwood Springs. Comment
  CAS-BOT-BC25658  Boechera pulchra Annie M. Alexander; Louise Kellogg 1941-5-19 2201 Riverside Colorado Desert. Eagle Mountains. 1.5 miles north of Cottonwood Spring. 975 Comment
  JOTR34053  Boechera xylopoda La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2953 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  UCD98027  Boerhavia coccinea T. C. Fuller 1968-7-17 17388 Riverside Behind post office, 288 E. Main St., San Jacinto. Comment
  UCR278875  Boerhavia coccinea Mitch Provance 2012-7-17 712- 15 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
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Nov 8 2020
  RSA798842  Boerhavia coulteri Duncan S. Bell, Amanda Bell, Evan Bell 2012-10-7 4343 Riverside Arica Mountains: collecting in narrow canyon in center of range within the Palen/McCoy Wilderness, approximately 2.25 air miles west of Priests Well, or approximately 6.75 air miles southwest of the ghost town of Rice. 429 Comment
  UCR242290  Boerhavia erecta var. intermedia A. C. Sanders, T. B. Salvato 2012-10-12 40419 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  RSA339256  Boerhavia intermedia Robert F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-23 53600 Riverside Pinto Basin Road: Along road at meeting area of Mojave and Colorado Deserts 1098 Comment
  UCR215582  Boerhavia triquetra Tasha La Doux, Jim Andre 2008-9-16 337 Riverside Mojave Desert, Joshua Tree National Park, c. 0.3 mi. NW of Indian Cove Campground 934 Comment
  UC851715  Boerhavia wrightii C. Epling and Wm. Stewart 1936-9-1 Riverside Desert Center Comment
  UCR204100  Boerhavia wrightii Michael Denslow 2003-9-14 1569 Riverside Western Colorado Desert, Maniobra Valley, Chiraco Summit Road off Hwy I-10 517 Comment
  CAS-BOT-BC31021  Bolboschoenus maritimus Carl Epling; Joseph Andorfer Ewan 1933-6-1 s.n. Riverside South shore Lake Elsinore. Comment
  JOTR37742  Bothriochloa barbinodis Hodges, Stephen, Cody Fogg and Kelsey Bosch 2015-10-5 538 Riverside near the pink house, Barker Dam vicinity 1236 Comment
  POM294728  Bouteloua barbata Lyman Benson 1945-11-11 11961 Riverside Palm Springs. -30 Comment
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Apr 25 2011
  RSA450461  Bouteloua barbata J. C. Roos 1965-9-5 s.n. Riverside 18 miles W of Blythe. Comment
  RSA793924  Bouteloua barbata A. C. Sanders 2011-9-15 39892 Riverside Coachella Valley, agricultural area in Thermal; Colorama greenhouses/nursery at 83300 Ave. 58, 0.35 mi. east of Jackson St. near Calhoun St. -24 Comment
  SD137928  Bowlesia incana Darin L. Banks, Steve Boyd 1995-3-16 103 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; east of the Dripping Springs Alcove, north slope of Wildhorse Peak, on Wildhorse Trail 609 Comment
  CLARK-A1528-5667  Brandegea bigelovii John C. Roos 1960-4-8 Riverside 380 Comment
  JEPS42526  Brandegea bigelovii P. A. Munz, R. D. Harwood 1920-4-2 3564 Riverside between Blythe Junction and Blythe ((Blythe Jct = Rice)) Comment
  POM67919  Brandegea bigelovii Marcus E. Jones 1906-4-20 s.n. Riverside Indio. Comment
  RSA184555  Brandegea bigelovii C. L. Hitchcock 1932-4-7 12198 Riverside Corn Springs. Comment
  RSA667308  Brandegea bigelovii B. Pitzer 1989-4-15 1285 Riverside Chocolate Mountains Aerial Gunnery Range. Large wash crossing Ridgeline Road. 700 Comment
  RSA77415  Brandegea bigelovii F. W. Peirson 1927-4-12 7166 Riverside In Painted Canyon near Mecca. Comment
  SD247409  Brandegea bigelovii T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7311 Riverside Sonoran (Colorado) Desert: south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road, c. 1.4 km west of its juction with Augustine Pass Road (East of Aztec Mines 7.5'Q) 136 Comment
  UCD107473  Brandegea bigelovii Lewis S. Rose 1967-12-21 67187 Riverside 2 mi. s. of Palm Desert. 60 Comment
  UCR172240  Brassica nigra 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
  UCR125272  Brassica rapa A. C. Sanders 2002-11-21 25644 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  CDA3589  Brassica tournefortii A. C. Sanders, Mark A. Elvin, Julie M. Vanderwier 2002-4-9 24916 Riverside The Badlands; hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont Comment
  RSA0049917  Brassica tournefortii Jim Andre 2014-1-27 26672 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA774896  Brassica tournefortii Duncan S. Bell, Amber Swanson 2011-2-18 2031 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  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
  UCR196377  Brassica tournefortii Naomi Fraga, Lisa Rojas 2005-2-10 1372 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  SD152952  Brickellia californica Steve Boyd, Time Ross and Dave Bramlet 1992-9-9 7685 Riverside Southern Santa Ana Mountains; upper San Mateo Canyon, from the junction of Tenaja Road and Los Alamos Road. 395 Comment
  CAS-BOT-BC106180  Brickellia desertorum J. Cole 1942-5-19 960 Riverside Ruby Lee Mine, Joshua Tree National Monument 914 Comment
  CAS-BOT-BC106185  Brickellia desertorum A. C. Sanders; Pam MacKay; Tim Thomas; O. F. Clarke 1996-11-23 19650 Riverside San Bernardino Mtns. - Whitewater Canyon, just below the fish hatchery (Whtie Water 7.5' Q.) 647 Comment
  LA203084  Brickellia desertorum Carl Epling; 1937-11-26 Riverside White Tank, Twentynine Palms Comment
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Jun 14 2013
  SD144057  Brickellia desertorum A. C. Sanders, P. MacKay 1994-10-23 15846 Riverside San Bernardino Mountains: Whitewater River Canyon, between the trout hatchery and Bonnie Bell. 673 Comment
  UC194825  Brickellia incana S. B. Parish 1916-5-13 10848 Riverside Cottonwood Springs, Colorado Desert Colorado Desert, Cottonwood Springs 792 Comment
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Oct 9 2010
  RSA729801  Brodiaea filifolia Robert F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 52007 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  POM223245  Brodiaea jolonensis R. Cooper 1936-5-21 1 Riverside Skyline Road above Corona. Comment
  UC3326  Brodiaea terrestris subsp. kernensis H. M. Hall June, 1901 2093 Riverside meadows in vicinity Strawberry Valley; San Jacinto Mountains 1402 Comment
  UCR2216  Bromus catharticus F. M. Reed 1933-6-23 7863 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 290 Comment
  RSA495792  Bromus diandrus subsp. triangularis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2899 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  RSA127000  Bromus grandis H. S. Yates 1936-8-29 6383 Riverside Fuller Creek [Poss. Fuller Mill Creek now?] 1677 Comment
  UCR108873  Bromus hordeaceus Heidi A. Haid 1968-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR213304  Bromus hordeaceus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37698 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  UCR22059  Bromus hordeaceus Steve Boyd 1980-4-13 124 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR24949  Bromus marginatus A. C. Sanders 1980-7-18 1655 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  SEINET221092 Image available Bromus rubens Leila M. Shultz, R. Thorne; J. Hogue R. Tilford. 1980-4-16 4012 Riverside Bridge over Whitewater River, base of Whitewater Canyon, San Bernardino Mtns. (Range possibly 3 or 4 E). 436 Comment
  UCR2247  Bromus rubens F. M. Reed 1907-5-26 1377 Riverside Riverside, Evan's Spring Brook pasture 250 Comment
  RSA191396  Bromus rubens E. W. Lathrop, Robert F. Thorne 1967-9-26 6657 Riverside 6 miles NW of Murrieta. 610 Comment
  RSA701408  Bromus rubens Steve Boyd, Aydee Virgen 2004-4-13 10864 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR201704  Bromus tectorum Scott D. White, Justin M. Wood 2008-5-15 12003 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  JEPS54871  Caesalpinia virgata John Thomas Howell 1928-1-30 3307 Riverside 2 mi. e. Shaver's Well; Colorado Desert Comment
  RSA405293  Caesalpinia virgata Christopher Davidson 1979-4-4 7691 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  SD248483  Calandrinia ciliata Mitch Provance 2012-4-24 412 08 Riverside San Gorgonio Pass: Smith Creek SW of Banning, near corner of Sunset Ave and Bobcat Road (Beaumont 7.5'Q) 735 Comment
  UCR162945  Calandrinia ciliata Fred M. Roberts 1996-3-27 4961 Riverside Perris Basin, Skunk Hollow, just N of Temecula, c. 3.4 km ENE jct SR 79 and Murrieta Hot Springs Rd, near S end of basin 407 Comment
  SD73471  Callitriche heterophylla E. W. Lathrop 1966-4-13 6164 Riverside 3.0 miles northwest of Murrieta. Comment
  UCR20523  Callitriche heterophylla E. W. Lathrop 1966-4-13 6164 Riverside Peninsular Range, 3 mi NW of Murrieta Comment
  SD107764  Callitriche heterophylla var. bolanderi Robert F. Thorne 1974-5-23 44676 Riverside Santa Rosa Plateau, Rancho California: at N base of Mesa de Colorado in shallow water of small tenajas of small stream (mak 9/06) 609 Comment
  POM13642  Callitriche marginata P. A. Munz 1922-5-5 5163 Riverside 0.5 mile north of March Field [March Air Force Base]. Comment
  CAS-BOT-BC85766  Calocedrus decurrens George B. Grant 1901-1-1 691 Riverside San Jacinto Mountains, S. Cal. 914 Comment
  RSA0042617  Calocedrus decurrens Michelle Cleveland 1981-2-14 12 Riverside Idyllwild Visitor Center off Hwy 74. Collected 200 yds North of Vistor Center. 1900 Comment
  RSA784188  Calochortus J. D. Olmsted 1959-5-17 632 Riverside Hills of the Perris block [/range]. Drainage area to Lake Elsinore. The Gavilan district. 15 mi SE of Corona. 686 Comment
  UCR100822  Calochortus albus G. R. Ballmer 1998-5-23 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Massinger oak easement, Riverside Land Conservancy, north base of Redonda Mesa, close to Tenaja Rd. 671 Comment
  UCR137356  Calochortus palmeri var. munzii 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
  SBBG952  Calochortus plummerae L. Long 1940-6-9 Riverside Palms to Pines Hwy, E of Hemet Comment
  UCR48348  Calochortus splendens Steve Boyd 1986-4-22 1761 Riverside Temescal Canyon, W side of Indian Wash, south of I-15 Comment
  SBBG101736  Calycoseris parryi S. Boyd with D. Bramlet 1991-5-13 6243 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester; ridgetop S of S end of Warren Rd; T5S, R1W, N1/2, S31, N/2 609 Comment
  SD27985  Calycoseris parryi Carl B. Wolf 1932-4-29 3107 Riverside Blythe, Rice Road; 9 miles south of Brown's Well. 800 Comment
  JOTR01242  Calycoseris parryi Cole, James E. 1941-4-23 641 Riverside Joshua Tree National Park. WEST END OF PINTO BASIN 609 Comment
  SJSU8135  Calyptridium monandrum G. B. Youngberg 1956-3-30 221 Riverside among hills near La Sierra College, Arlington 228 Comment
  UCR158725  Calystegia macrostegia A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30013 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CAS-BOT-BC218906  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 outwash of Mission Creek 487 Comment
  RSA793029  Camissonia Justin M. Wood 2011-4-4 3393 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  CLARK-A1528-652  Camissonia bistorta Charlotte Stocks 1964-5-15 Riverside Warner Hot Springs Comment
  UCR116915  Camissonia bistorta A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23956 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  SEINET7040154  Camissonia bistorta A. G. Vestal 1962-4-8 Riverside Ca. 3.5 miles north east of Lake Elsinore (Elsinore)on Rt.74. UTM Zone 11, 472765mE, 3731077mN. Comment
  SEINET3005040  Camissonia brevipes G. Rink 2011-4-25 10475 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe 118 Comment
  POM13036  Camissonia brevipes subsp. brevipes P. A. Munz, D. Keck 1922-4-9 4892 Riverside Palm Springs. 457 Comment
  RSA126254  Camissonia brevipes subsp. brevipes Thomas Craig 1927-4-2 6 Riverside Colorado Desert, Hidden Springs. Comment
  UCR50654  Camissonia brevipes subsp. brevipes B. A. Prigge 1988-2-21 7837 Riverside Sonoran (Colorado) Desert, Orocopia Mtns. 2 mi west of Clemens Well 229 Comment
  RSA357766  Camissonia californica Robert F. Thorne, M. Z. Thorne 1973-3-30 42681 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA466170  Camissonia californica M. B. Dunkle 1933-3-5 3075 Riverside Colorado Desert, Palm Springs. 91 Comment
  UCR21992  Camissonia californica Steve Boyd 1980-7-12 328 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  JOTR30963  Camissonia campestris subsp. campestris La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1938 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  CLARK-A1528-3324  Camissonia chamaenerioides John C. Roos 1949-4-11 4235 Riverside Chuckwalla Mountains Comment
  CAS-BOT-BC154112  Camissonia claviformis N. Aitkenhead 1977-2-1 s.n. Riverside ~2 mi. W. of junction of 1000 Palms Rd & T/L Comment
  UCR148858  Camissonia claviformis S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  UCR213432  Camissonia claviformis A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37433 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  SEINET12193360  Camissonia claviformis subsp. aurantiaca W. L. Wagner, Mill, S. W. 1982-1 4559 Riverside 8.2 milesNW of I-10 Desert Center along Hwy 177 Comment
  RSA186613  Camissonia confusa Peter H. Raven 1962-4-28 17488 Riverside Ortega Highway 3.9 miles above its east base, Santa Ana Mountains 732 Comment
  UCR251998  Camissonia hirtella A. C. Sanders, T. B. Salvato 2014-7-2 41159 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCR20823  Camissonia intermedia A. C. Sanders, Steve Boyd 1980-5-2 1415 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR112973  Camissonia pallida B. G. Pitzer, T. Tennant 1998-2-21 3539 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10. 427 Comment
  POM14038  Camissonia refracta P. A. Munz, D. Keck 1922-4-9 4916 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA186535  Camissonia refracta Peter H. Raven 1958-2-15 115777 Riverside In a sandy wash, Corn Springs, Chuckwalla Mountains. Comment
  RSA775383  Camissonia refracta Duncan S. Bell 2011-4-10 2247 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  SEINET3093251 Image available Camissonia refracta A. C. Sanders 1988-5-11 7798 Riverside Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal in a wash E of the gasline road from Ni-land. Comment
  UCR51969  Camissonia refracta Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2160 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  SBBG92277  Camissonia strigulosa J. Hirshberg 1989-4-4 Riverside S of town of Murrieta, W of Mesa de Burro near head of Cole Cyn; Santa Rosa Plateau, 487 Comment
  UCR167078  Camissonia strigulosa Scott D. White 2005-3-29 10849 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  SD133052  Camissoniopsis bistorta Scott White 1991-5-10 91 145 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 548 Comment
  UCSB4380  Camissoniopsis hirtella Kamb, Peter 1947-6-7 Riverside Hall Canyon, San Jacinto Mts 1645 Comment
  SD185271  Camissoniopsis pallida A. C. Sanders, J.. Dice, K. C. Rose, D. Woodard 1995-3-29 16252 Riverside San Jacinto Mountains; Sonoran (Colorado) Desert; San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village (White Water 7.5'Q) 381 Comment
  UCSB10563  Camissoniopsis pallida subsp. pallida Lloyd, Robert 1960-3-23 Riverside One mile from U.S. HiWay 99 on road (St. 111) to Palm Springs, San Jacinto Mt. Range 396 Comment
  CHSC89824  Carex barbarae L. P. Janeway 2004-5-8 8061 Riverside Peninsular Ranges. Santa Ana Mountains, San Mateo Canyon; between Tenaja Trail and the creek, 150 m south-southwest of the Tenaja Trail trailhead at Wildomar Road. Flattish bench above and away from the creek. 387 Comment
  CAS-BOT-BC20701  Carex fracta C. Epling; Wm. Robison 1935-6-29 s.n. Riverside Mt San Jacinto. Marion Peak. Comment
  POM49568  Carex fracta Phillip A. Munz, I. M. Johnston 1924-7-28 8817 Riverside Pine Flats 1738 Comment
  UC837255  Carex nebrascensis P. A. Munz 1922-9-6 6393 Riverside Round Valley San Jacinto Mts. 2743 Comment
  RSA88858  Carex praegracilis F. W. Peirson 1922-5-20 3062 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  CAS-BOT-BC117858  Carex sartwelliana Scott D. White 1996-8-1 4409 Riverside Idyllwild area: Hwy 243 at Deer Springs trailhead and adjacent area. 1828 Comment
  UCSB18913  Carex schottii Keefe, Joseph 1965-5-18 Riverside 100 meters east of stream; Fullermill Creek Campground; north of Idyllwild 1645 Comment
  CAS-BOT-BC115971  Carex subfusca H. E. Hasse; Samuel B. Parish s.n. Riverside San Jacinto Mts. Comment
  UCR59761  Carex triquetra Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3069 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, west of Woodchuck Rd. 512 Comment
  POM9603  Castilleja affinis I. M. Johnston 1920-5-8 s.n. Riverside Jurupa mts., extreme west end. Comment
  SBBG47446  Castilleja exserta N. C. Cooper 1949-4-21 1127 Riverside Banning 701 Comment
  UC886544  Castilleja exserta L. Haines and L. Erickson 1937-4-9 Riverside 1 mi w San Jacinto Comment
  RSA160447  Castilleja foliolosa John Olmsted 1958-6-10 154 Riverside six miles southwest of Corona on Oak Flat fire road (turn S in Corona from US onto Lincoln). 610 Comment
  SBBG45114  Castilleja foliolosa Leota Davidson 1965-5-3 123 Riverside near Jumbo Rocks Cmpgrd, Joshua Tree Nat Monument Comment
  UCR94646  Castilleja foliolosa Scott D. White 1996-5-27 4073 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  RSA0054914  Castilleja foliolosa G. Jentges 1932-2-20 16 Riverside Jack Rabbit Grade, San Jacinto Mountains. Comment
  SEINET10964385  Castilleja miniata David B. Dunn 1946-8-18 Dunn 2748 Riverside Wellman. Sieniga springs on trail peak. San jacinto mtns. Comment
  UC495228  Castilleja minor subsp. spiralis Commander Dammers Oct 1930 Riverside Palm Springs Comment
  RSA523519  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-2 3978 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UC50338  Caulanthus heterophyllus H. M. Hall Apr 1903 3848 Riverside vicinity Riverside; vicinity of Riverside 762 Comment
  SBBG70228  Caulanthus lasiophyllus M. N. Ackley 1927-3-13 142 Riverside Coral Reef Ranch, Coachella Valley -13 Comment
  IRVC26891  Ceanothus crassifolius C. B. Wolf 1932-2-11 2648 Riverside Hidden [Tin Mine] Canyon, 5 mi. W of Corona, base of Skyline Drive. Santa Ana Mtns 405 Comment
  RSA0012053  Ceanothus crassifolius Steve Boyd, Susan Jett 2008-3-20 11830 Riverside Peninsular Ranges: Santa Ana Mountains region: Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hwy Vehicle Area. Comment
  SD27983  Ceanothus crassifolius Carl B. Wolf 1932-2-11 2648 Riverside Santa Ana Mts., Hidden Canyon, 5 Mi. west of Corona, base of Skyline Drive 405 Comment
  UCR163217  Ceanothus crassifolius T. B. Salvato, Kelly Volansky 2003-3-27 132 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR281480  Ceanothus crassifolius Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 80 Riverside Temescal Valley, 0.4 miles SE of Horsethief Canyon Rd. and the 15 Fwy. 391 Comment
  UCR79353  Ceanothus crassifolius Steve Boyd, T. S. Ross 1993-3-1 7722 Riverside Peninsular Range, Vail Lake area, ridge about 1 mi. west of lake, east of 'Little' Oak Mt 610 Comment
  RSA575057  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -K Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  SD37615  Ceanothus greggii var. perplexans Edith A. Purer 1935-4-21 6444 Riverside Pine Valley, Pines to Palms Highway Comment
  SD137649  Ceanothus leucodermis Darin L. Banks, Steve Boyd 1995-3-16 98 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia mtn., E of the Dripping Springs alcove, Arroyo Seco drainage. 548 Comment
  UCR35172  Ceanothus leucodermis L. B. Ziegler 1970-5-25 407 Riverside San Jacinto Mtns., On floor and slopes of the Hemet Valley [Hemet Valley = Garner Valley] 1402 Comment
  UCR59767  Ceanothus leucodermis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3082 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, west of Woodchuck Rd. 512 Comment
  UC1070898  Ceanothus oliganthus var. oliganthus A. Lewis Mar 1934 320 Riverside Bedford Canyon Corona quad., Cleveland Nat. For. 1097 Comment
  SD136769  Ceanothus ophiochilus Steve Boyd, Ken Berg, Sandy Morey, Jon Keeley 1992-5-3 7169 A Riverside Vail Lake area, ridge about 1 mile west of the lake, east of Little Oak Mountain (Type locality for species0 609 Comment
  POM312128  Ceanothus palmeri N. C. Cooper 1944-6-17 1416 Riverside Above Banning. Roadside. 976 Comment
  UCR16494  Ceanothus palmeri J. Hollinger 1972-5-13 720513- 6 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild Comment
  UCD112521  Ceanothus perplexans Richard Bates 1949-5-21 s.n. Riverside Hemet Lake area, meadow on the way to Pinon Flats, San Jacinto Mtns. Comment
  RSA0022331  Ceanothus perplexans P. A. Munz 1922-7-3 5959 Riverside South side of Santa Rosa Mts. 1677 Comment
  SD107755  Ceanothus tomentosus C. W. Tilforth, W. Wisura 1979-4-11 1762 Riverside East end of Murrieta-DeLuz Rd. ca. 2 air mi. south of Murrieta 334 Comment
  CDA7289  Centaurea X pouzinii F. J. Willmarth 1961-10-18 Riverside Old Fuller Rancho, near Corona. 0 Comment
  RSA74576  Centaurea repens J. C. Roos 1947-7-5 2908 Riverside Junction of San Timoteo and Live Oak Creeks. 457 Comment
  RSA191405  Centaurium venustum E. W. Lathrop, Robert F. Thorne 1967-9-26 6651 Riverside 6 miles NW of Murrieta. Comment
  RSA617985  Centaurium venustum R. E. Riefner Jr. 1998-5-15 98 -301 Riverside Elsinore Trough between Willard and Murrieta Creek, Lake Elsinore. Comment
  UCR158130  Centaurium venustum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30099 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
  SD134523  Centromadia pungens subsp. laevis Craig Reiser 1990-6-10 Riverside Adjacent to Temecula Creek within urban Temecula Comment
  UCR261197  Centromadia pungens subsp. laevis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41713 Riverside Esinore, near Hwy 74 a short distance NE of wash crossing (drain from Lk. Elsinore to Temescal Canyon) east of Baker St. 385 Comment
  UCR266284  Centromadia pungens subsp. laevis D. E. Bramlet 2005-5-24 3863 Riverside Perris-Aguanga Basin Region, Temecula, corner of Jefferson Ave. and Cherry St. 319 Comment
  UCR169318B  Cerastium glomeratum T. B. Salvato, John F. Green 2004-5-27 617 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
  RSA86985  Cercidium floridum F. W. Peirson 1921-4-13 sn Riverside Deep Canyon Wash, about 12 miles SE of Palm Springs. 152 Comment
  UC16219  Cercidium floridum subsp. floridum S. B. Parish Apr 4 1896-Apr 13 1896 4115 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. (desert base of mt.) 152 Comment
  POM49868  Cercocarpus betuloides Philip A. Munz, I. M. Johnston 1924-7-29 8862 Riverside Above Poppet Flat, San Jacinto Mts. 1220 Comment
  CAS-BOT-BC135499  Cercocarpus betuloides var. betuloides Nancy Ryan Zabriskie; Walter Zabriskie 1972-10-22 546 Riverside In small dry watercourse area, NE side Cactus Spring Trail west of Horsethief Canyon, Deep Canyon drainage, north slope Santa Rosa mts. 1097 Comment
  CAS-BOT-BC279534  Chaenactis artemisiifolia Virginia Moran 2003-3-12 s.n. Riverside Peninsular Range: Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and W of Wilson Creek 915 Comment
  PASA2186  Chaenactis artemisiifolia M. Stason 1931-5-24 Riverside Foot of Idyllwild Grade Comment
  CAS-BOT-BC276404  Chaenactis carphoclinia Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2148 Riverside N end Palen Mountains, 2 miles W of Palen Pass, mid-bajada 300 Comment
  RSA668340  Chaenactis carphoclinia Carol R. Annable 1995-3-18 2302 Riverside Ca 11km N of Indio on road to Berdoo Canyon. 300 Comment
  SBBG99384  Chaenactis carphoclinia W. L. Halvorson 1977-2-5 77 -21 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  RSA271141  Chaenactis carphoclinia var. carphoclinia C. W. Tilforth, John Dourley, Walter Wisura 1977-5-19 1326 Riverside Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road [Midland Rd]. 266 Comment
  RSA703411  Chaenactis carphoclinia var. carphoclinia LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1463 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 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
  UC1523568  Chaenactis fremontii Robert F. Thorne, W. A. Tilforth, L. Schultz, R. K. Benjamin and J. Hogge 1980-4-16 54054 Riverside along Whitewater River, e of bridge and levee and below w-facing bluff San Bernardino Mts., Whitewater River Comment
  UCR260891  Chaenactis fremontii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41471 Riverside San Gorgonio Pass, near San Gorgonio River wash, c. 2.88 miles ESE of Cabazon, c. 1 mi. NNW (338 deg. ) of One Horse Spring, south of I-10 and east of water bottling plant, edge of wind farm 454 Comment
  UC1922024  Chaenactis fremontii Robert F. Thorne, M. Z. Thorne 1973-3-30 42674 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. Comment
  RSA708176  Chaenactis glabriuscula Scott D. White, Angelia Carey 2004-5-7 10320 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
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Oct 4 2007
  UCR167056  Chaenactis glabriuscula Scott D. White, Jennifer H. Jones 2005-5-24 11097 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  POM6013  Chaenactis glabriuscula var. glabriuscula E. A. Zumbro 1902-04 15750 Riverside Near Riverside Comment
  RSA771809  Chaenactis glabriuscula var. glabriuscula Steve Boyd 2010-5-26 12279 Riverside Elsinore Peak, southeast of peak, north of trail along ''old Main Divide Road'' east of road up to communications towers, near concrete wildlife drinker. 1040 Comment
  RSA523315  Chaenactis glabriuscula var. lanosa G. H. True 1935-4-3 200 Riverside Box Springs 366 Comment
  UC63022  Chaenactis glabriuscula var. lanosa H. M. Hall May 1899 1141 Riverside Kenworthy San Jacinto Mtns 1432 Comment
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Mar 25 2011
  RSA94395  Chaenactis stevioides F. W. Peirson 1928-4-24 7905 Riverside Cottonwood Springs, northern Colorado Desert Comment
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Oct 9 2010
  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
  UCR29848  Chaenactis stevioides George K. Helmkamp 1983-3-24 383- 20 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  POM351830  Chaenactis stevioides var. stevioides M. B. Dunkle 1935-3-17 4397 Riverside Desert Center. 610 Comment
  RSA619314  Chamaesyce albomarginata A. C. Sanders, K. C. Rose 1998-9-29 22239 Riverside West edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills. Comment
  POM253441  Chamaesyce micromera Thos. Craig, Frances Craig 1939-11 s.n. Riverside Aguanga. Comment
  POM7096  Chamaesyce polycarpa P. A. Munz, L. T. Street, G. Williams 1919-3-28 2346 Riverside Indio . Comment
  RSA180364  Chamaesyce polycarpa E. W. Lathrop 1960-5-27 5245 Riverside 6 miles west of Murrieta. Comment
  SFV10856  Chamaesyce polycarpa M. L. Vincent, R. H. Swade 1963-10-19 455 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. 366 Comment
  SJSU5736  Chamaesyce polycarpa L. S. Rose 1966-12-11 66099 Riverside La Quinta 91 Comment
  RSA608177  Chamaesyce polycarpa var. polycarpa Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10064 Riverside Colorado-Mojave Desert transition, Little Maria Mountains: Bajada at southwest end of Rice Valley, along Midland Road, just north of pass between Little Maria and Big Maria mountains. 274 Comment
  RSA0104640  Chamaesyce setiloba Duncan S. Bell 2014-11-14 7729 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  RSA432499B  Chamaesyce setiloba M. French Gilman 1940-1-22 4030 Riverside Smoketree Canyon. 305 Comment
Read comments
Sep 29 2011
  CAS-BOT-BC70030  Cheilanthes covillei Nancy Ryan Zabriskie; Walter Zabriskie 1971-3-7 355 Riverside Andreas Canyon, E. slope San Jacinto Mts. 15 Comment
  CAS-BOT-BC70041  Cheilanthes covillei Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  RSA770847  Cheilanthes covillei Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4941 Riverside 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-BC70333  Cheilanthes parryi Edmund C. Jaeger 1922-3-18 s.n. Riverside Eagle Canyon, 4 miles east of Palm Springs Comment
  CAS-BOT-BC70334  Cheilanthes parryi Ira L. Wiggins 1938-3-25 8924 Riverside Eagle Canyon, 3-5 miles south of Palm Springs Comment
  JOTR16826  Cheilanthes parryi Supernaugh, William JR. 1967-2-23 55 Riverside Joshua Tree National Park. 1/4 MILE WEST OF IVANPAH TANK 1316 Comment
  RSA685823  Cheilanthes parryi M. B. Dunkle 1932-3-25 2905 Riverside Cathedral Canyon Comment
  RSA718776  Cheilanthes parryi Michael Honer, L. Hulse 2004-4-3 1925 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. 610 Comment
  UC337871  Cheilanthes viscida J. G. Lemmon and wife May 1888 Riverside San Gorgonio Pass; San Jacinto Mts Comment
Read comments
Mar 3 2008
  RSA553097  Chenopodium Scott D. White 1992-9-11 s.n. Riverside Vicinity of Gilman Hot Springs, N side of San Jacinto River, and a thin strip trending N of the river and W of the Hot Springs 451 Comment
  UCR181179  Chenopodium Mitch Provance 2003-6-7 7611 Riverside San Bernardino Valley, Jurupa Mountains (extreme northwest end), near Philadelphia Street 262 Comment
  RSA624448  Chenopodium ambrosioides L. C. Wheeler 1932-9-4 1324 Riverside Santa Ana River at Chino Creek. 152 Comment
  UCR114197  Chenopodium berlandieri A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23644 Riverside Perris-Aguanga Basin Region, Tucalota Creek SE of French Valley Airport, on gasline route 381 Comment
  RSA562454  Chenopodium californicum Steve Boyd, Timothy S. Ross 1992-5-5 7235 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail. 732 Comment
  UCR213900  Chenopodium californicum Scott D. White, Justin M. Wood 2009-5-22 12900 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  UCR26984  Chenopodium murale E. W. Lathrop 1966-5-8 6474 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  CLARK-A1528-2282  Chilopsis linearis John C. Roos 1943-5-23 2669 Riverside Dry Morongo Wash Comment
  SD113257  Chilopsis linearis Darley F. Howe 1936-6-14 358 Riverside Palm Springs Comment
  OBI20566  Chilopsis linearis subsp. arcuata H. E. McMinn 1935-6-27 4074 Riverside Palm Springs Comment
  CLARK-A1528-3047  Chimaphila menziesii John C. Roos 1943-8-8 2697 Riverside San Jacinto Mountains Comment
  UC21647  Chimaphila menziesii H. M. Hall June, 1901 Riverside San Jacinto Mts., Onstatt's Valley 1920 Comment
  LA11464  Chloris gayana A. M. Johnson; 1928-5-5 366 Riverside Indio Comment
  UCR17637  Chloris virgata Hap Ritter, Paul Mack 1976-10-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, sand dunes southeast of Hopkins Well and west of Wiley's Well Road 152 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
  RSA0106756  Chorizanthe brevicornu Duncan S. Bell, Amanda Turek 2009-3-29 145 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  CAS-BOT-BC191699  Chorizanthe brevicornu var. brevicornu Javier Penalosa 1963-4-10 2786 Riverside Deep Canyon, 3 mi S of Palm Desert 213 Comment
  SBBG99602  Chorizanthe brevicornu var. brevicornu W. L. Halvorson 1977-3-8 77 -80 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UC68580  Chorizanthe corrugata H. M. Hall Apr 1905 5905 Riverside Chuckawalla Springs Colorado Desert, Chuckawalla Springs Comment
  CLARK-A1528-728  Chorizanthe fimbriata Robert Eaton 1968-5-13 680513-7 Riverside Sandia Canyon Comment
  CAS-BOT-BC191255  Chorizanthe fimbriata var. fimbriata Steve Boyd 1986-5-1 1817 Riverside Bachelor Mtn.: Lower S slopes of Bachelor Mtn., E end of Lake Skinner Comment
  UCR59534  Chorizanthe leptoceras Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3619 Riverside Vail Lake, Sandy benches of Kolb Creek drainage, south of Hwy 79 488 Comment
  RSA572973  Chorizanthe leptotheca Steve Boyd 1986-4-19 1706 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  UCR217645  Chorizanthe leptotheca Jeff B. Galvin 2010-6-7 130 Riverside San Jacinto Mountains, Bautista Canyon, on slopes east of creek and c. 2.5 km south of forest service boundry 820 Comment
  RSA525679  Chorizanthe parryi var. parryi Steve Boyd, Arnseth, Rasmussen, Cota 1990-5-3 4550 Riverside Vail Lake area, rolling terrain at jct of hwy R3 and Powerline Rd. NE of the lake. Comment
  RSA666893  Chorizanthe parryi var. parryi A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24183 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
  UCR174164  Chorizanthe parryi var. parryi A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32606 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
  UCR174157  Chorizanthe polygonoides var. longispina A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32605 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
  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
  UCR97272  Chorizanthe polygonoides var. longispina D. E. Bramlet 1995-4-26 2396 A Riverside Perris-Aguanga Basin, Shipley Reserve/SE cornor of Lake Skinner Co. Park 512 Comment
  RSA392737  Chorizanthe rigida E. C. Jaeger 1922-3-29 815 Riverside Chuckwalla Valley. 259 Comment
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May 29 2011
  RSA543949  Chorizanthe staticoides Steve Boyd, Orlando Mistretta 1991-5-9 6181 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  GMDRC1319  Chorizanthe watsonii J. Andre 2004-4-24 4277 Riverside Little San Bernardino Mountains: Joshua Tree NP: Joshua Tree woodland (sparse), near bench by wash in sandy soil. Elev. 3711 ft. 1131 Comment
  SD248476  Chorizanthe xanti var. xanti Lee A. Ripma 2008-6-25 130 Riverside Peninsular Ranges: San Jacinto Mountains: Alvin Meadows (Blackburn Canyon 7.5'Q) 1467 Comment
  CDA19741  Chrysopsis villosa H. R. Leach 1958-9-12 s.n. Riverside Southern California; San Jacinto Mtn. 0 Comment
  CLARK-A1528-1732  Chrysothamnus paniculatus John C. Roos 1943-10-17 2736 Riverside Little San Bernardino Mountains Comment
  RSA5581  Chrysothamnus paniculatus C. B. Wolf 1932-10-13 4314 Riverside 0.5 mile before reaching Cottonwood Springs, Eagle Mountains, Colorado Desert 290 Comment
  SD125547  Chylismia brevipes subsp. brevipes Steven A. Junak 1983-3-24 1658 Riverside North side of Highway 10, 6.9 miles west of Pinto Basin Road. 427 Comment
  RSA0043054  Chylismia cardiophylla subsp. cardiophylla Duncan S. Bell, Evan Meyer 2014-4-1 6487 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; center of this range; approximately 4.75 air miles northwest of Gucci Spring; approx. 5 air miles north of the Bradshaw Trail. 759 Comment
  CAS-BOT-BC160613  Chylismia claviformis subsp. aurantiaca Ynez Whilton Winblad 1937-4-19 s.n. Riverside Near Palm Springs Comment
  SD39494  Chylismia claviformis subsp. aurantiaca Edith A. Purer 1935-4-21 6482 Riverside Desert floor, near Palm Springs. Comment
  UC1184366  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-1-24 11437 Riverside alluvial fan Fargo Canyon Comment
  UC873936  Chylismia claviformis subsp. aurantiaca Ira L. Wiggins 1937-3-9 8764 Riverside dunes 20 mi n Indio Comment
  CLARK-A1528-191  Cirsium californicum Rand Ch. Isbell 1970-5-24 16 Riverside Riverside 640 Comment
  RSA770684  Cirsium californicum var. californicum Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4787 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET3102065  Cirsium occidentale var. californicum Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17365 Riverside Along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain. 1420 Comment
  SEINET3146341  Cirsium occidentale var. coulteri W. B. Crockatt sn Riverside Prado 91 Comment
  UC63255  Cirsium occidentale var. occidentale H. M. Hall 1904-5-24 4956 Riverside vicinity of Riverside; Santa Ana River, Riverside 213 Comment
  RSA466522  Cistanthe ambigua Robert L. Dressler 1949-3-19 398 Riverside Box Canyon, Orocopia Mts. Comment
  CAS-BOT-BC172109  Clarkia dudleyana Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  CAS-BOT-BC163868  Clarkia purpurea subsp. quadrivulnera Mitch Provance 2003-4-17 4631 Riverside San Bernardino Valley: Riverside, W base of Box Springs Mts., Big Springs Arroyo, N. side of Big Springs Rd., W of the railroad tracks 360 Comment
  RSA525333  Clarkia purpurea subsp. quadrivulnera Steve Boyd, A. C. Sanders, M. Skinner 1990-4-28 4463 Riverside Vail Lake area, Hwy R3 (Sage rd) at junction with Debby Road. just S of Sage. Comment
  SDSU8709  Clarkia purpurea subsp. quadrivulnera H. Wedberg 1962-5-23 938 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  CAS-BOT-BC164762  Clarkia rhomboidea Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  RSA653073  Clarkia similis A. C. Sanders 1997-5-1 20608 Riverside Lake Skinner area: north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  RSA523483  Claytonia parviflora subsp. tenuifolia Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-30 3943 Riverside Vail Lake area, summit of Big Oak Mtn, N of Lake. Saddle between summits, along road heading N to Black Hills. 793 Comment
  UCR16509  Claytonia parviflora subsp. utahensis Carole Sims 1965-5-1 s.n. Riverside San Jacinto Mtns., Tahquitz Meadows [Camp Tahquitz Meadows, north of Hwy 74 at site of Keen Camp, east of Mtn. Center], about 25 yards northeast from place stream crosses under road 1372 Comment
  SBBG34198  Claytonia parviflora subsp. viridis T. L. Secrest 1951-5-21 Riverside Idyllwild 1524 Comment
  UCD100754  Claytonia perfoliata A. C. Sandes 2002-5-4 25039 Riverside San Jacinto Mtns.: Idyllwild, Pine Crest Ave., NE of Hwy 243. 1677 Comment
  UCR82762  Clematis ligusticifolia A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15790 Riverside San Jacinto Mtns., N slope of mountains, nameless tributary of Azalea Creek, Twin Pines Creek drainage 1192 Comment
  RSA552742  Clematis pauciflora Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-2-25 6674 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 and 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  RSA747517  Clematis pauciflora Justin M. Wood 2009-3-10 343 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  RSA440804  Cleome isomeris N. R. Zabriskie 1973-3-16 569 Riverside Deep canyon, north slope Santa Rosa Mountains. 335 Comment
  UCR106354  Cnicus benedictus John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR115429  Collinsia heterophylla Scott D. White, D. E. Bramlet 1999-4-22 7240 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR92231  Collinsia heterophylla D. L. Banks, Steve Boyd 1995-5-3 0263 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
  POM122479  Collomia grandiflora Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  HSC28498  Colubrina californica Richard Spjut 1973-4-10 3296 Riverside Colorado Desert, N face of Chuckawalla Mtns., 3-4 mi. S of Desert Center 305 Comment
  UCR14976  Colubrina californica A. C. Sanders 1976-5-21 578 Riverside Sonoran (Colorado) Desert, McCoy Spring, McCoy Mtns. Comment
  UCR72172  Colubrina californica Theo Glenn 1991-5-14 91- 46 Riverside Sonoran (Colorado) Desert, Colorado Desert; W side of Little Maria Mts., NW of Blythe 309 Comment
  UCR6039  Conium maculatum Steve Walker 1966-5-13 s.n. Riverside Riverside, Fairmount Park, W perimeter, 400 yds from road on streambed 306 Comment
  UCR158278  Conyza bonariensis A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30121 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
  JOTR35161  Cordylanthus rigidus subsp. setiger Harding, Mitzi, T. Herskovits 2011-9-14 159 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1304 Comment
  RSA0010995  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Colleen Wheeler 2010-7-19 1634 Riverside San Bernardino National Forest: Garner Valley, approximately 1.9 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1376 Comment
  SFV20151  Cordylanthus rigidus subsp. setigerus J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-4 261 .5 Riverside Santa Rosa Mountains Garnet Queen Creek at Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 4.8 miles from Highway 74. 1865 Comment
  SEINET2050217 Image available Corethrogyne filaginifolia Penny Stead 1970-4-15 Riverside Found in the hills above Fawcett Lab, U.C.R. 274 Comment
  UC63197  Corethrogyne filaginifolia H. M. Hall Riverside Riverside Comment
  UCR110454  Crassula aquatica D. E. Bramlet 1998-4-22 2606 Riverside Perris-Aguanga Basin region, French Valley area, 305m east of Washington Road and 10m north of Rawson Road, 6m west of the San Diego Canal. 447 Comment
  RSA0125184  Crassula connata Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8755 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 4.5 air miles east northeast of the summit of Martinez Mountain. 230 Comment
  SD181581  Crassula connata LeRoy Gross, Valerie Soza 2003-5-8 830 Riverside Peninsular Ranges, San Jacinto Mountains region, north end of Rouse Ridge, south of the San Jacinto River, north of Rouse Hill Road; Blacburn Canyon quad. 776 Comment
  UCR98179  Crassula connata Scott D. White 1997-2-28 4728 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UC831110  Crassula connata var. erectoides C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-4-15 4731 Riverside Gavilan Peak 600 Comment
  CSUSB616  Crassula erecta Paul M. Estes 1962-3-17 Riverside Box Springs Mountains West slope of Box Springs Mountains, 1.5 miles west of Big "C" Road in dry stream bed. 761 Comment
  CLARK-A1045-294  Crossosoma bigelovii George K. Helmkamp 1977-5-20 Riverside San Jacinto Mountains .5 mile up from UC Research Station; rocky wall at base of Canyon; Palm Desert 15'Q Comment
  RSA0104610  Crossosoma bigelovii Duncan S. Bell, Evan Meyer 2014-10-29 7678 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  RSA0121039  Crossosoma bigelovii Duncan S. Bell, LeRoy Gross 2016-3-29 9108 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
  SBBG72296  Crossosoma bigelovii H. and M. Dearing 1939-11-12 4022 Riverside Morongo Pass Comment
  SD229136  Croton californicus Dick Schwenkmeyer 2012-10-16 933 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  SD27955  Croton californicus Carl B. Wolf 1932-4-26 2966 Riverside Colorado Desert; 3.0 miles east of Mecca on Blythe Road. Comment
  SEINET9253085 Image available Croton californicus Unknown 1944-1 1546 Riverside Banning 701 Comment
  UC868664  Croton californicus Ivan Johnston 1917-4-4 Riverside Palm Canyon Colorado Desert 228 Comment
  UCR262097  Croton californicus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41518 Riverside San Gorgonio Pass, 2.25 miles ESE of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and Elm St. 474 Comment
  UCR278562  Croton californicus Mitch Provance 2012-7-28 712- 08 Riverside San Gorgonio Pass, Banning, Montgomery Creek and adjacent plateaus, south of Westward Ave., and west of Banning High School 695 Comment
  UC1010304  Crypsis vaginiflora John C. Roos 1952-6-4 5735 Riverside river bottomland 1 1/2 mi se Perris; San Jacinto River 426 Comment
  JEPS67466  Cryptantha angustifolia W. L. Jepson 1914-5-18 6026 Riverside n of Indio (County Well in Pinyon Well Mts., Conchilla Mts.); Colorado Desert, Conchilla Mts., Pinyon Well Mts. 304 Comment
  JOTR30671  Cryptantha angustifolia La Doux, Tasha, Jim Andre 2008-3-21 140 Riverside Joshua Tree National Park. N. side of paved road to Cottonwood, at Fried Liver Wash crossing 557 Comment
  RSA517821  Cryptantha angustifolia Steve Boyd, Orlando Mistretta 1986-3-13 1438 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  RSA784773  Cryptantha angustifolia Duncan S. Bell 2012-3-18 3177 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  SBBG63616  Cryptantha angustifolia M. N. Ackley 1928-3-10 41 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  UCR126435  Cryptantha angustifolia T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 50 Riverside Coachella Valley, 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal 9 Comment
  UCR279403  Cryptantha angustifolia A. C. Sanders, Jim Malusa 2017-3-25 43017 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  RSA0040032  Cryptantha angustifolia W. Marquart 1938-3-12 s.n. Riverside Ten mi. west of Blythe. Comment
  UC857068  Cryptantha barbigera Aven Nelson, Ruth A. Nelson 1939-3-29 3269 Riverside near Mecca; Hidden Springs Comment
  UCD118997  Cryptantha barbigera Richard Bates 1949-4-26 s.n. Riverside Cathedral City, southeast of Palm Springs. Comment
  UCR115342  Cryptantha barbigera var. fergusoniae A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16267 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
  UCR41269  Cryptantha barbigera var. fergusoniae B. G. Pitzer 1986-2-9 2 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains: Martinez Canyon, SW of Valerie Jean, on upper fan, c. 1 mi east of mouth of canyon 122 Comment
  SBBG6245  Cryptantha circumscissa C. H. Muller 1952-4-6 9511 Riverside Pinto Basin, Joshua Tree Nat Monument Comment
  POM47499  Cryptantha costata Mary F. Spencer 1920-4-7 1527 Riverside Palm Canyon. Colorado Desert 182 Comment
  UCR214700  Cryptantha costata A. C. Sanders 2010-3-23 37535 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  UC1787284  Cryptantha decipiens A. C. Sanders, K. Rose, D. Woodard 1995-3-22 16212 Riverside Coachella Valley: mouth of San Gorgonio Pass, alluvial fan just E of the mouth of Whitewater Canyon between Windy Point and I-10. 365 Comment
  RSA0040028  Cryptantha holoptera Duncan S. Bell, Evan Meyer 2014-4-2 6500 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  POM368273  Cryptantha intermedia Ora M. Clark 1929-3-2 1601 Riverside Near Alberhill Comment
  POM6557  Cryptantha intermedia P. A. Munz, G. Williams 1919-3-28 2376 Riverside Banning 701 Comment
Read comments
Mar 13 2011
  RSA559332  Cryptantha intermedia Steve Boyd, Tim Ross 1992-5-15 7410 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 670 Comment
  RSA778140  Cryptantha intermedia J. Andre 2011-2-2 16213 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  SEINET3084399 Image available Cryptantha intermedia B. Pitzer 1986-4-26 183 Riverside San Bernardino Mtns.; Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  UCR113227  Cryptantha intermedia A. C. Sanders 1998-1-15 21635 Riverside Lake Skinner area, rocky knob (2527 ft.) along dirt road toward Crown Valley, NE of Black Mtn. 762 Comment
  UCR116982  Cryptantha intermedia A. C. Sanders, T. B. Salvato 2001-5-3 24081 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR47322  Cryptantha intermedia D. C. Hawks 1987-5-16 s.n. Riverside Terwilliger Valley, S of Anza, Terwilliger Road, 0.9 mi. south of intersection with Wellman Road 1189 Comment
  UCR88308  Cryptantha intermedia A. C. Sanders, K. C. Rose 1995-4-5 16388 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR97893  Cryptantha intermedia A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19848 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  JOTR30309  Cryptantha maritima La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1742 Riverside Joshua Tree National Park. Stop 2: Near sand hill in Pinto Basin 538 Comment
  POM126312  Cryptantha maritima T. Craig 1927-4-2 13 Riverside Hidden Springs Canyon. Comment
  POM287672  Cryptantha maritima Lyman Benson 1933-3-31 4170 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  SBBG81505  Cryptantha maritima S. A. Junak 1983-3-23 1616 Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of indio Comment
  UCD80958  Cryptantha maritima Chuck Hughes 2009-3-23 57 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  UCR244860  Cryptantha maritima Jim Andre 2012-3-19 21381 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  SDSU21775  Cryptantha maritima var. pilosa Duncan S. Bell 2011-4-7 2164 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests well, or approximately 2 miles southwest of the ghost town of Rice. 357 Comment
  JEPS67961  Cryptantha micrantha S. B. Parish 1913-2-26 8464 Riverside Mecca, Salton Basin -57 Comment
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Feb 13 2009
  JOTR30305  Cryptantha micrantha La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1738 Riverside Joshua Tree National Park. Stop 2: Near sand hill in Pinto Basin 538 Comment
  POM12151  Cryptantha micrantha Mary F. Spencer 1920-3-16 1515 Riverside Mecca -60 Comment
  RSA171377  Cryptantha micrantha var. lepida J. D. Olmsted 1962-5-3 3503 Riverside On Thomas Mt. 1616 Comment
  VVC1938  Cryptantha micrantha var. lepida Tim Thomas, C. Sanders 2008-6-24 4533 Riverside San Jacinto Mtns, May Valley, in south drainage of Tahquitz Peak, ca. 2.8 air miles north of Lake Hemet. 1518 Comment
  RSA388332  Cryptantha microstachys Steve Boyd 1986-5-7 1832 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. [Gavilan Hills] Comment
  SD185170  Cryptantha microstachys A. C. Sanders 2005-4-21 29569 Riverside Gavilan Hills, south of Harford Springs County Park and Ida Leona Rd., 1.5 miles eastsoutheast of Gavilan Peak. 622 Comment
  SEINET3084419 Image available Cryptantha microstachys Andrew C. Sanders, B. Pitzer 1986-4-30 6479 Riverside San Jacinto Mtns; Bee Cyn, along the road, 1.1 mi. above mouth of canyon at the San Jacinto River Valley 703 Comment
  UCR116071  Cryptantha microstachys O. F. Clarke, Jeanine Derby 1974-4-19 s.n. Riverside Lakeview Mountains, c. 2 mi. SSW of Mt. Rudolph, north of Juniper Flat, east of Juniper Flat Rd. and south of Stagecoach Rd., EIR for Tentative Tract 5702 610 Comment
  UCR252608  Cryptantha microstachys T. B. Salvato, Matthew Malle 2013-4-4 7498 Riverside Perris-Aguanga Basin, Sedco Hills, Crab Hollow Circle between Lost Road and Lake View Drive 588 Comment
  UCR77591  Cryptantha microstachys Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6134 Riverside Peninsular Range; Santa Ana Mountains, south side of Elsinore Peak 1067 Comment
  JEPS67712  Cryptantha muricata W. L. Jepson 1901-5-19 1299 Riverside Strawberry Valley Mt. San Jacinto 1676 Comment
  UC1168726  Cryptantha muricata Peter H. Raven 1958-5-18 12978 Riverside 3.0 mi e junction of road to Aguanga (State Highway 74); San Jacinto Mountains Comment
  UCR201641  Cryptantha muricata Scott D. White, Justin M. Wood 2008-6-18 12206 Riverside San Jacinto Mountains, hiking trail from K flat to Apple Canyon Road 1451 Comment
  UCSB38651  Cryptantha muricata Cowan, Clark 1978-4-24 Riverside 19.6 mi. (31.3 km.) S on 74 from jct. w/ Hwy. 111 at Indian Wells Sta. Rosa Rd., 1 mi. (1.6 km.) S. of 74 Comment
  RSA0079283  Cryptantha muricata var. jonesii Steve Boyd, K. A. Boyd, C. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2304 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  RSA0034450  Cryptantha muricata var. jonesii J. C. Roos 1950-4-15 4732 Riverside The summit of Reche Canyon. 793 Comment
  UCR228426  Cryptantha nevadensis Dave Silverman, A. C. Sanders, Jeanette Duffels, Richard Dwerlkotte, Tammie Beyerl 2010-3-30 7822 Riverside Sonoran (Colorado) Desert, Southwest flank of Palen Mtns bajada, along Palen Dunes drive, 4.6 km N of I-10, 9 km ESE of Sidewinder Well 136 Comment
  RSA0124031  Cryptantha nevadensis var. nevadensis Duncan S. Bell, LeRoy Gross 2016-3-10 8876 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  OBI66288  Cryptantha pterocarya LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1464 Riverside Colorado Desert; Chocolate-Chuckwalla Mts region; Corn Springs campground in the Chuckwalla Mts. cyn SW of campground. UTMs 3721895N, 355238E; and UTM 3720669N, 654757e 549 Comment
  GMDRC2046  Cryptantha utahensis J. Andre 2006-4-26 6765 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  JOTR16629  Cryptantha utahensis Liska, K. and Leary, Pat 1975-3-11 958 Riverside Joshua Tree National Park. WEST WIDE CANYON 609 Comment
  SBBG53357  Cryptantha utahensis J. Zabriskie 1975-3-26 Riverside Santa Rosa Mtns Comment
  SEINET3082991 Image available Cucurbita maxima A. C. Sanders 1987-9-27 7386 -A Riverside Cultivated in the vegetable garden at 422 Campus View Dr. Comment
  CDA30995  Cucurbita palmata R. E. Riefner Jr. 2006-8-2 06 -349 Riverside Lakeview Mountains, vicinity of Alicante Drive at Jamawag Road, north of Leon Road. Comment
  POM204501  Cucurbita palmata M. French Gilman 1934-10-3 s.n. Riverside Cabazon. Comment
  RSA676272  Cucurbita palmata Scott D. White 2001-5-3 8446 Riverside Shavers Valley. Ca. 0.5 mi north of I-10 Freeway at Cactus City Rest Area. 518 Comment
  UCR99404  Cuscuta californica var. papillosa Scott D. White 1996-8-15 4467 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  UCR77584  Cuscuta subinclusa Steve Boyd 1991-7-13 6420 Riverside Peninsular Range, Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road Comment
  RSA478741  Cycloloma atriplicifolium Lester H. Cushman 1931-10-4 s.n. Riverside Near Riverside. Comment
  SEINET5624442 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17726 Riverside Chuckwalla Mountains, just south of Corn Springs Wash, 250m east of its confluence with Irish Wash, 500m NW of Aztec Well, 74 km west of Blythe; Desert Center 7.5' USGS topographic quadrangle 641 Comment
  SEINET191823  Cymopterus panamintensis var. acutifolius Annie M. Alexander, Louise Kellog 1941-5-26 2239 Riverside Monsen Canyon Eagle Mtns Colorado Desert 975 Comment
  SDSU13535  Cynodon dactylon W. Miller with C. Mosse 1972-7-11 Riverside Dam. Comment
  SEINET3004915  Cyperus G. Rink, M. Baker, T. Thomas, M. Honer, A. Karl 2010-10-2 10333 -b Riverside Canal two miles north of Blythe. 70 Comment
  CAS-BOT-BC114419  Cyperus erythrorhizos A. C. Sanders; Mitch Provance 1999-9-26 23123 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi SE of Jackrabbit Trail, 433 Comment
  UCR189290  Cyperus odoratus Fred M. Roberts, S. Leatherman 2007-9-19 6595 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR93231  Cyperus odoratus A. C. Sanders 1994-7-27 15164 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 Comment
  UCD141140  Cyperus rotundus Paul Popenoe 1920-12-11 s.n. Riverside Thermal. Comment
  UCR101431  Cyperus squarrosus A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22233 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Millard Canyon 841 Comment
  SFV127  Cystopteris fragilis J. H. Wood 1958-5-30 s. n. Riverside San Jacinto Mountains 1829 Comment
  RSA0014612  Dactylis glomerata Justin M. Wood 2010-5-12 1682 Riverside Santa Ana Canyon: Santa Ana River; approx. 0.75 miles downstream of Prado Dam. Just NE of Green River housing estate. 137 Comment
  RSA598033  Dactylis glomerata F. M. Reed 1933-5-15 s.n. Riverside Riverside. 290 Comment
  RSA0042919  Dalea mollis Duncan S. Bell, Evan Meyer 2014-4-2 6496 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  SD216480  Dalea mollis Carol R. Annable 1995-3-9 2259 Riverside Circa 13 kilometers north of Rancho Mirage. BLM land behind A-1 Cement. Comment
  UCR182832  Dalea mollis Dave Silverman, Cindy Hopkins 2005-3-25 5757 Riverside NE Riverside Co., Rice Valley, SE of Danby Dry Lake, south of Highway 62, along Midland (Blythe-Rice) Road, south of railroad crossing 234 Comment
  SEINET5327086  Dalea mollis H. M. Hall 1905-1 5792 Riverside Colorado Desert; 9 mi W of Coachella 30 Comment
  RSA4878  Dalea mollissima C. B. Wolf 1932-4-27 2994 Riverside Colorado Desert, 14 miles E. of Mecca on Blythe Road 152 Comment
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Sep 18 2011
  UCR90336  Dalea mollissima Ed LaRue 1993-4-29 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 137 Comment
  CLARK-A1703-1204  Dalea spinosa Charlotte Stocks 1962-6-15 Riverside Indio Comment
  CAS-BOT-BC229032  Datura wrightii T. B. Salvato; Richard Camacho 2011-6-12 5483 Riverside Peninsular Range: Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  POM248026  Datura wrightii Philip A. Munz 1941-4-5 16695 Riverside 5 mi. Northeast of Desert Center. Comment
  RSA575930  Datura wrightii Steve D. Boyd 1994-10-14 8391 Riverside Southern San Mateo Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. San Mateo Canyon, in canyon bottom at the confluence with Bluewater Canyon. 329 Comment
  UC884555  Datura wrightii I. W. Clokey 1935-4-17 6876 Riverside Shavers Wells Comment
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Dec 13 2011
  UCR274000  Datura wrightii Mitch Provance 2012-9-11 17620 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft., along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  CDA7818  Deinandra mohavensis K. Esau 1935-6-15 Riverside Hemet Valley. 0 Comment
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Dec 14 2011
  UC63236 Image available Deinandra mohavensis H. M. Hall 1901-8-6 2657 Riverside of the s side San Jacinto Mountains 1341 Comment
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Dec 24 2008
  CAS-BOT-BC292007  Deinandra paniculata John Green 2005-5-4 s.n. Riverside Perris-Aguanga Region: SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  RSA149631  Delphinium parishii Harlan Lewis, C. Epling 1941-5-2 s.n. Riverside 1 mile W. of Cottonwood Spring, Joshua Tree National Monument. Comment
  RSA149642  Delphinium parishii Harlan Lewis, C. Epling 1941-5-7 s.n. Riverside 3 miles N of Cottonwood Spring, Joshua Tree Nat. Mon. Comment
  UCR100967  Delphinium parryi G. R. Ballmer 1998-5-23 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Massinger oak easement, Riverside Land Conservancy, north base of Redonda Mesa, close to Tenaja Rd. 671 Comment
  CAS-BOT-BC121426  Delphinium parryi subsp. parryi John Thomas Howell 1930-5-10 4795 Riverside At top of St. John's Grade Comment
  RSA798761  Delphinium parryi subsp. parryi Jason Koontz, Jennifer Pilapil 2012-5-18 290 Riverside Hemet. Bautista Road, just north of where it crosses Bautista Creek. Near (northwest of) De Anza trail parking area. North-north east-facing slope. 672 Comment
  CAS-BOT-BC82952  Dendromecon rigida E. K. Balls 1954-7-29 19561 Riverside Along Indian Truck Trail in Santa Ana Mountains. 944 Comment
  RSA0086776  Dendromecon rigida R. G. Swinney 1967-5-26 11733 Riverside Snow Creek. 335 Comment
  UCR2316  Deschampsia elongata F. M. Reed 1928-7-15 6071 Riverside San Jacinto Mtns., Camp Emerson, Idyllwild 1524 Comment
  JOTR30322  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
  RSA0124040  Descurainia pinnata subsp. intermedia Duncan S. Bell, LeRoy Gross 2016-3-10 8886 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  UC64141  Dicentra chrysantha H. M. Hall May 1899 1216 Riverside Smith's Mt. Comment
  IRVC51  Dichelostemma capitatum subsp. capitatum Don Pfirrmann 1965-4-24 HS 0099 Riverside Upper San Juan Creek Camp; Ortega Hwy [74]. Peninsular Ranges, Santa Ana Mountains Comment
  UC1929700  Dichelostemma pulchellum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10489 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA500987  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3106 Riverside Vail Lake area, at N base of rounded knob 1.25 mi WSW of dam. 610 Comment
  RSA500991  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3110 Riverside Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 miles WSW of dam. 610 Comment
  RSA554294  Digitaria sanguinalis Scott D. White 1992-2-25 92 -7 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  CAS-BOT-BC152916  Diplacus brevipes Peter H. Raven; R. Snow 1957-7-26 11087 Riverside Banning-Idyllwild road 0.9 mi. n. of Vista Grande Ranger station, San Jacinto Mts. Comment
  SBBG122765  Diplacus fremontii A. Parikh 1990-5-12 169 Riverside Arroyo Seco, S of Dripping Springs Cmpgrd, 1 km S of Hwy 79, 2.8 km E of Woodchuck Rd 494 Comment
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Apr 29 2011
  SD132281  Diplacus longiflorus Narca A. Moore-Craig 1984-4-5 Riverside San Jacinto State Wildlife Area appx 2 mi N of Lakeview. About 0.5 mi E of headquarters on Davis Rd. 505 Comment
  RSA690981  Ditaxis lanceolata Scott D. White, Michael Honer 2003-5-14 9306 -B Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UC17546  Ditaxis lanceolata S. B. Parish Apr 4 1896-Apr 13 1896 4141 Riverside (Agua Caliente) Palm Springs (base of San Jacinto Mt); base of San Jacinto Mt., , (Agua Caliente) 152 Comment
  VVC690  Ditaxis lanceolata P. J. MacKay, T. Thomas 1997-2-8 106 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  RSA676145  Ditaxis neomexicana Scott D. White 2001-4-12 8311 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  RSA776244  Ditaxis neomexicana Duncan S. Bell 2010-3-20 595 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  RSA355177  Ditaxis serrata var. californica J. M. Stewart 1986-1-20 86 -3 Riverside Divide between Mecca Hill and Orocopia Mountains. Comment
  CSUSB517  Dithyrea californica Shirley Hill 1963-2-20 630220 4 Riverside 3 feet of road, Vista Chino street, 1 mile north of Palm Springs Comment
  SFV4379  Dithyrea californica F. M. Ball 1964-1-4 66 1 Riverside San Bernardino Mountains About 16 miles east of Banning on main highway to Indio. Whitewater turnoff on east side of Whitewater Canyon. 450 Comment
  UC10263  Dithyrea californica S. B. Parish Apr 4 1896-Apr 13 1896 4107 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. 152 Comment
  SEINET5342915  Dithyrea californica N. H. Holmgren, Patricia Kern Holmgren; Ruth E. Kern 1973-3-22 6453 Riverside Rice Valley, 7 miles south-southwest of Rice. 274 Comment
  SD138823  Dodecahema leptoceras Craig Reiser 1993-5-17 Riverside Agua Tibia Wilderness Area, south side of Highway 79 west of entrance to Woodchuck Campground Comment
  RSA615142  Dodecatheon clevelandii A. C. Sanders, O. F. Clarke, H. Forster 1997-3-2 19762 Riverside Box Springs Mountains E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  RSA0121173  Draba cuneifolia Duncan S. Bell, LeRoy Gross 2016-3-30 9177 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
  SBBG2481  Draba cuneifolia H. and M. Dearing 1942-1-15 4785 Riverside Cathedral City near Palm Springs 137 Comment
  RSA703471  Draba cuneifolia var. integrifolia LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1414 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., Near 33 deg 37'32N, 115 deg 19'35W: UTM 3721895N, 655238E to 33 deg 36'52N, 115 deg 19'54: UTM 3720669N, 654757E. 480 Comment
  UC64549  Drymocallis glandulosa var. viscida H. M. Hall June, 1901 2204 Riverside vicinity Strawberry Valley; San Jacinto Mountains, vicin Strawberry Valley 1615 Comment
  IRVC142  Dryopteris arguta R. H. Whittaker, W. A. Niering 1963-5-28 SJ 32 Riverside Mountain Center to Hemet. San Jacinto Mountains 915 Comment
  UCR273804  Dudleya Mitch Provance, Tom Thompson 2016-7-14 716- 26 Riverside San Jacinto Mountains, Dark Canyon, N Fork San Jacinto River, S side of Hwy. 243, below the Lawler Lodge 1618 Comment
  SD143941  Dudleya lanceolata Scott D. White 1997-5-25 5248 A Riverside Bautista Canyon: Hixon Trail between trailhead at Bautista Canyon Road and intermittent stream crossing. 790 Comment
  UC1080652  Dudleya lanceolata L. W. Lenz and H. Metcalf 1957-6-7 22623 Riverside ca 15 mi s Hemet (along Hwy 79) Comment
  UC69874  Dudleya multicaulis C. M. Wilder 1905-5-30 584 Riverside West Riverside Comment
  UCR161253  Dudleya pulverulenta A. C. Sanders, Kelly Volansky 2005-8-31 31584 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
  CAS-BOT-BC109604  Dudleya saxosa subsp. aloides Reid Moran 1941-5-3 834 Riverside Whitewater, near Banning. 300 Comment
  RSA397790  Dudleya saxosa subsp. aloides A. C. Life 1925-4-10 s.n. Riverside Desert beyond Banning Comment
  RSA770928  Dudleya saxosa subsp. aloides Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4738 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119 604 Comment
  SEINET8060733 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 19 Riverside 3.6mi S of Inyo county line on Route 127. On west side of small hill on west side of road. 300 Comment
  SEINET7073433  Echinocereus engelmannii A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  RSA0125251  Echinocereus engelmannii var. engelmannii P. A. Munz 1921-5-1 4496 Riverside Southern edge of Mojave Desert near Pinyon Wells. 1220 Comment
  RSA629024  Echinochloa crus-galli Scott D. White 1998-6-28 6803 Riverside Corona: River Road bridge over the Santa Ana River. 160 Comment
  UCR89945  Echinochloa crus-galli Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  RSA736650  Echinochloa oryzicola Justin M. Wood 2008-7-16 36 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
  HSC37506  Ehrendorferia chrysantha J. D. Ackerman, A. M. Montalvo 1975-6-26 529 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, above SanJuan Campground, Cleveland National Forest 610 Comment
  RSA326147  Ehrharta erecta John F. Emmel 1981-6-27 788 Riverside Hemet. 488 Comment
  RSA198949  Elatine californica R. F. Thorne, E. W. Lathrop, P. A. Munz 1968-5-8 37560 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 671 Comment
  UCR122541  Eleocharis macrostachya George K. Helmkamp, E. A. Helmkamp 2001-5-20 6670 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  CAS-BOT-BC418621  Eleusine indica R. E. Riefner, Jr. 2013-10-29 13 225 a Riverside La Sierra, along La Sierra Ave. at Sierra Tree St. 243 Comment
  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
  SD132491  Elymus condensatus Scott White 1990-10-2 Riverside Vail Lake area: Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  SD136962  Elymus condensatus Steve Boyd 1992-6-10 7632 Riverside San Mateo Canyon about Potrero Escondido, an isolated area of low relief topping the ridge system due west of the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 671 Comment
  UCR122532  Elymus elymoides subsp. elymoides George K. Helmkamp, E. A. Helmkamp 2001-5-20 6680 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  LA14815  Elymus glaucus Carl Epling; William Robison 1935-6-30 sn Riverside north fork San Jacinto River Comment
  RSA131727  Elymus glaucus subsp. jepsonii E. K. Balls 1958-6-27 23293 Riverside Between Santiago Peak and Indian Truck Trail, along Main Divide, Santa Ana Mountains. 1372 Comment
  UCR193906  Elymus hispidus A. C. Sanders, Mitch Provance 2008-7-11 35746 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  UCR201644  Elymus triticoides Scott D. White, Justin M. Wood 2008-6-17 12180 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  JEPS1565  Emmenanthe penduliflora W. L. Jepson 1928-4-19 12427 Riverside 5 mi N Elsinore Comment
  RSA559344  Emmenanthe penduliflora Steve Boyd, Tim Ross 1992-5-15 7398 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  RSA562451  Emmenanthe penduliflora Steve Boyd, Tim Ross 1992-5-5 7238 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  RSA667004  Emmenanthe penduliflora A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24216 Riverside Hemet. SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte. 500 Comment
  UC56882  Emmenanthe penduliflora H. M. Hall Apr 1902 Riverside Coyote Canyon; in the west borders of Colorado Desert 152 Comment
  UCR41850  Emmenanthe penduliflora A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6037 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  JOTR16581  Encelia actoni Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  JOTR31160  Encelia actoni La Doux, Tasha 2009-6-3 1868 Riverside Joshua Tree National Park. (Stop 5): Little San Bernardino Mountains, Covington Flats Area, lower slopes, just above parking area for lower Covington Flats 1460 Comment
  POM320503  Encelia actoni Patricia Wilder 1971-9-29 5280 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street. Valle Vista; east of Hemet; south side of river 518 Comment
  SD144051  Encelia actoni Scott D. White 1997-5-25 5225 Riverside Bautista Canyon: Along Bautista Cyn Rd., < 1.3 road miles NW of Hixon Trailhead (USFS No. 2E43). Comment
  UC665545  Encelia actoni Annie M. Alexander and Louise Kellogg 1941-5-18 2197 Riverside Cottonwood Spring Colorado Desert, Eagle Mountains, Cottonwood Spring 1021 Comment
  CAS-BOT-BC226824  Encelia californica A. C. Sanders; T. B. Salvato 2012-4-27 40090 Riverside Peninsular Range; Santa Ana Mtns.: Region: Temescal Canyon, along Temescal Canyon Rd. east of I-15 crossing and mouth of Mayhew Cyn. 313 Comment
  CHSC109007  Encelia farinosa Orlando Mistretta; D. Bell, J. Beckman, J. England, K. Kane, et al. 2010-4-12 4540 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell; between N33.95609, W116.64365 and N33.95477, W116.64248. 525 Comment
  JEPS30410  Encelia farinosa Donald Kyhos 1957-3-12 3 Riverside Whitewater Canyon Comment
  LA202452  Encelia farinosa T. A. Geissman; 1966-3-12 31266 -EF Riverside Joshua Tree National Monument, S entrance Comment
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Sep 20 2013
  UC1930006  Encelia farinosa Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10494 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR232397  Encelia farinosa var. phenicodonta Dave Silverman, Mark Bibbo 2010-3-31 7837 Riverside Sonoran (Colorado) Desert, southern McCoy Mtns, east bajada flank, 1.5 km west of Black Creek Rd, 6.5 km north of I-10, and 6.9 km ENE of McCoy Peak 177 Comment
  CAS-BOT-BC131416  Encelia frutescens W. L. Jepson 1912-10-22 5245 Riverside Riverside Mts 137 Comment
  RSA688915  Encelia frutescens var. frutescens Scott D. White 2001-4-18 8363 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  PASA1867  Ephedra californica R. E. Merrill Riverside Palm Canyon Comment
  POM282135  Ephedra californica Lyman Benson 1933-3-31 4163 Riverside US 66 [US 60], Palm Springs. Mt. Range San Jacinto . 305 Comment
  RSA33305  Ephedra californica N. C. Cooper 1943-10-3 940 Riverside Cabazon, Alkali flat. 610 Comment
  UC1302449  Ephedra californica Robert F. Thorne 1964-5-3 33851 Riverside near hwy ca 4 mi s of Morongo Valley (ca 3 mi s of San Bernardino Co. line) Comment
  UCR237686  Ephedra californica Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4739 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 600 Comment
  SEINET10834110  Ephedra californica David B. Dunn 1946-2-22 Dunn 1953 -A Riverside Collected on N side of Whitewater Canyon in Colorado Desert. Comment
  SEINET5332412 Image available Ephedra clokeyi I. W. Clokey 1935-4-17 6513 Riverside Cottonwood Springs Comment
  OBI11871  Epilobium canum Carl B. Wolf 1940-10-31 9759 Riverside Colorado Desert. Cottonwood Springs 290 Comment
  UCR252213  Epilobium canum 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
  RSA561423  Epilobium canum subsp. angustifolium Steve Boyd, T. S. Ross, Dave Bramlet 1992-9-9 7686 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  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
  UC874240  Epilobium canum subsp. latifolium Carl B. Wolf 1932-10-12 4299 Riverside Pinyon Well Colorado Desert, Little San Bernardino Mts. (base of cliff) 1219 Comment
  CDA38119  Epilobium ciliatum subsp. glandulosum R. F. Thorne, J. P. Simon and C. W. Tilforth 1969-6-24 38157 Riverside San Jacinto Mtns; San Bernardino National Forest. Lake Fulmor; near outlet of lake. Comment
  POM13250  Epilobium pygmaeum P. A. Munz 1922-5-19 5368 Riverside Menifee Valley. 427 Comment
  RSA381718  Epipactis gigantea Burton 1908-5-30 s.n. Riverside Riverside. Comment
  RSA381727  Epipactis gigantea N. C. Cooper 1944-4-8 s.n. Riverside San Bernardino National Forest, San Jacinto Mountains: Andreas Canyon (near Palm Springs) 457 Comment
  POM964  Equisetum laevigatum D. L. Crawford 1916-3-1 s.n. Riverside Santa Ana River Valley Comment
  SD132541  Equisetum telmateia subsp. braunii John C. Roos 1952-6-25 5794 Riverside Riverside, Fairmount Park, west end 259 Comment
  RSA180338  Equisetum telmateia var. braunii E. W. Lathrop 1959-4-2 4445 Riverside 18 miles W of Murrieta, Cottonwood Canyon of the Tenaja Range Comment
  RSA595260  Eragrostis curvula var. conferta D. L. Banks, Elizabeth Hedge Banks 1996-5-2 965 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; Along Los Caballos Road, approximately 0.5 m S of Hwy. 79, 100 m N of the Golf Course access road; along the W side of the road next to a citrus orchard. 399 Comment
  UCR2381  Eragrostis mexicana subsp. mexicana F. M. Reed 1907-11-24 2000 Riverside Riverside. Santa Ana River bottom near Chinese Gardens. Comment
  RSA370867  Eragrostis mexicana subsp. virescens R. F. Thorne 1985-7-18 61275 Riverside Sandia Canyon, De Luz-Murrieta Road: Along small stream. 260 Comment
  RSA450464  Eragrostis mexicana subsp. virescens J. C. Roos 1965-7-7 s.n. Riverside San Jacinto. On the edge of alfalfa field. Comment
  JEPS74000  Eragrostis pectinacea var. pectinacea S. B. Parish 1912-6-27 8101 Riverside Mecca Comment
  CSUSB811  Eremalche rotundifolia Jean Texera 1970-3-27 7 Riverside About 3 miles south of Palm Desert on dirt road continuation of Portola Ave., 25 feet north of Deep Canyon Desert Research Center fence, 175 feet west of road on edge of wash. 204 Comment
  RSA557369  Eremocarpus setiger Julie Greene, S. D. White 1993-7-5 1402 Riverside San Jacinto Wildlife Area. Lower, flat area, W of dirt road. 441 Comment
  RSA628827  Eremocarpus setiger A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22229 Riverside Morongo Indian Reservation, lower Hathaway Creek Canyon 838 Comment
  SBBG6260  Eremocarya micrantha H. and M. Dearing 1942-2-5 4791 Riverside Cathedral City Comment
  CAS-BOT-BC160060  Eremothera boothii subsp. condensata Carl B. Wolf 1932-4-27 3009 Riverside Colorado Desert. 17 mi. E. of Mecca, on Blythe Road 152 Comment
  CAS-BOT-BC160065  Eremothera boothii subsp. condensata Carl B. Wolf 1932-4-29 3110 Riverside Eastern Colorado Desert. Blythe - Rice Road. 9 mi. So. of Browns Well 243 Comment
  JEPS20763  Eremothera refracta Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13253 Riverside Hwy US 95 11.3 mi n Blythe (in wash arising from mts.); Big Maria Mts. Comment
  RSA0031613  Eremothera refracta Jim Andre 2013-3-27 24819 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  UC874147  Eremothera refracta Ira L. Wiggins 1937-3-9 8756 A Riverside wash 5 mi w Shaver's Well Comment
  JOTR33785  Eriastrum densifolium subsp. austromontanum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2934 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; Loamy, gravelly slope in saddle below the summit Comment
  UC106845  Eriastrum densifolium subsp. austromontanum C. R. Orcutt 1896-7-24 7 Riverside Hammett Valley San Jacinto Mts. Comment
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Dec 20 2009
  RSA0056286  Eriastrum densifolium subsp. austromontanum Norman Lederer 1950-4-30 s.n. Riverside Palms to Pines Hgw., E. slope of Santa Rosa Mts. Comment
  RSA0104871  Eriastrum densifolium subsp. austromontanum D. L. Banks, S. D. Boyd 1995-10-17 0784 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  UC68784  Eriastrum diffusum H. M. Hall Apr. 1905 5965 Riverside near McCoy Wash; Colorado Desert 91 Comment
  UCR20440  Eriastrum eremicum Carl Epling, H. Lewis 1941-5-2 s.n. Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mountains Comment
  UCR85437  Eriastrum eremicum George K. Helmkamp 1994-4-26 88- 8 Riverside Western Colorado Desert, Indio Hills; north of the landfill on Edom Hill 213 Comment
  JEPS69032  Eriastrum eremicum subsp. eremicum W. L. Jepson 1920-5-1 8915 Riverside Palm Springs of San Jacinto Comment
  SD258993  Eriastrum eremicum subsp. eremicum Sarah J. De Groot 2005-5-16 4967 Riverside Along Worsley Road paralleling Highway 62 between Dillon Road and Indian Ave., Desert Hot Springs area, vicinity of Morongo Creek. Broad but shallow washes through bajada of Little San Bernardino Mountains. 495 Comment
  RSA0041732  Eriastrum harwoodii Sarah J. De Groot, April Garbat 2013-4-9 7000 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
  RSA0120744  Eriastrum harwoodii E. C. Jaeger 1939-5-4 s.n. Riverside Pinon Alta Flats, Santa Rosa Mts. 1585 Comment
  RSA0122975  Eriastrum sapphirinum subsp. sapphirinum Mary F. Spencer 1921-7-14 s.n. Riverside Idyllwild, San Jacinto Mounatins. 1616 Comment
  RSA479913  Ericameria cuneata Steve Boyd 1987-11-23 2094 Riverside Mt. Russell, N of Lake Perris, Moreno Valley. 762 Comment
  UC31082  Ericameria cuneata var. cuneata H. M. Hall 1901-7-1 Riverside Tamarack Creek San Jacinto Mts., Tamarack Ck. 2133 Comment
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Aug 3 2008
  UCR84641  Ericameria linearifolia Scott D. White, S. Ogg 1994-4-21 1981 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  JOTR33673  Ericameria nauseosa var. mohavensis La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 2663 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  SEINET10808748  Ericameria nauseosa var. mohavensis David B. Dunn 1946-8-17 Dunn 2728 Riverside Found along trail to Hidden Lake in San Jacinto Mts. Comment
  SBBG102906  Ericameria palmeri var. pachylepis S. D. White 1991-9-17 91 -51 Riverside W side of Lake Elsinore, Ortega Hwy (St Hwy 74) 426 Comment
  UCR180130  Ericameria palmeri var. pachylepis Mitch Provance 2003-4-26 9891 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR9134  Ericameria palmeri var. pachylepis O. F. Clarke 1969-10-14 s.n. Riverside Box Springs Mtns, Riverside, UCR campus, by entrance to Botanic Gardens 335 Comment
  HSC47477  Ericameria paniculata Richard Spjut 1978-11-21 5234 Riverside Colorado Desert; N of North Palm Springs along Indian Ave. Comment
  RSA552731  Ericameria pinifolia Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6753 a Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 Comment
  UCR91622  Ericameria pinifolia D. L. Banks, Steve Boyd 1995-10-17 788 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Mtns, Agua Tibia Wilderness Area, south of Dripping Springs Campground 512 Comment
  POM187411  Erigeron foliosus L. Crutcher 1933-8-2 s.n. Riverside Camp Tahquitz, San Jacinto Mountains. Comment
  POM80096  Erigeron foliosus Marcus E. Jones 1924-8-20 s.n. Riverside Idyllwild. Comment
  RSA674564  Erigeron foliosus Scott D. White 2000-5-31 7984 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  UCR260551  Erigeron foliosus T. B. Salvato, Matt Malle 2014-5-29 8019 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
  UCR96422  Erigeron foliosus Scott D. White 1996-8-1 4432 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA291572  Erigeron foliosus var. foliosus C. W. Tilforth, John Dourley 1980-7-15 2067 Riverside 0.1 mile in from Highway 74 on north leg of Thomas Mt. Road, south of Lake Hemet and west of Highway 74 Comment
  SBBG89038  Erigeron foliosus var. foliosus B. Pitzer, K. Kirtland 1986-5-20 228 Riverside Butterfield Stage Ranch development, in the hills on the N side of Pauba Valley in the Rancho California area, 1 mi S of Buck Mesa on the E side of Butterfield Stage Rd 457 Comment
  UC1483923  Erigeron foliosus var. foliosus C. W. Tilforth and John Dourley 1980-7-15 2067 Riverside 0.1 mi in from Hiway 74 (on north leg of Thomas Mt. Rd., South of Lake Hemet & west of Hiway 74) Comment
  UC87543  Erigeron foliosus var. foliosus A. W. Anthony 1895-7-15 Riverside San Jacinto Mountains 1828 Comment
  LA205565  Eriodictyon crassifolium Elizabeth McClintock; 1940-4-23 sn Riverside San Jacinto Mountains, Idyllwild Grade Comment
  SBBG15884  Eriodictyon trichocalyx C. Walker 1954-4-10 Riverside arroyo in White Water Cyn Comment
  RSA296158  Eriodictyon trichocalyx Barry A. Prigge 1980-8-5 3827 Riverside Whitewater Canyon: 0.5 miles N of trout farm 701 Comment
  JOTR33772  Eriogonum angulosum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2926 Riverside Joshua Tree National Park. north of Quail Mountain, near the mouth of Johnny Lang Canyon; loamy and gravelly gentle slopes with rock outcrops in an old burn area from 1999 fire 1173 Comment
  RSA0103621  Eriogonum apiculatum Duncan S. Bell, Sarah DeGroot 2015-9-21 8646 Riverside Santa Rosa Mountains; north side of Asbestos Mountain, approximately 0.5 air mile east of Potrero Spring. 1147 Comment
  RSA6021  Eriogonum apiculatum Carl B. Wolf 1932-8-5 3938 Riverside Along trail from Tahquitz Valley to San Jacinto Peak. 2561 Comment
  RSA639024  Eriogonum apiculatum Louis C. Wheeler 1945-10-7 6412 Riverside San Jacinto Mountains: divide between West Fork Snow Creek and North Fork San Jacinto River. 2378 Comment
  RSA766409  Eriogonum apiculatum Joseph A. Ewan 1928-9-30 1519 Riverside Tahquitz Peak Trail, San Jacinto Mts. 2073 Comment
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Oct 23 2011
  SD115753  Eriogonum apiculatum Reid Moran 1973-7-28 21108 Riverside bare area at summit of Toro Peak, Santa Rosa Mts. 2500 Comment
  SEINET6328740  Eriogonum apiculatum Wesley O. Griesel 1962-9-18 s.n. Riverside Dark Canyon, San Jacinto Mountains 1920 Comment
  CLARK-A1528-3634  Eriogonum davidsonii Robin L. Kobaly 1977-8-26 Riverside San Jacinto Mountains Comment
  JOTR32035  Eriogonum davidsonii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2265 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; near Squaw Tank; sandy flats among large granitic boulders and foothills (Stop 2) 1063 Comment
  RSA766422  Eriogonum davidsonii Ralph Hoffmann 1929-9-7 999 Riverside San Jacinto Mtns. 1646 Comment
  UCR268302  Eriogonum davidsonii Jim Andre 2012-6-15 30517 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat 1309 Comment
  CAS-BOT-BC256123  Eriogonum deflexum var. deflexum Lewis S. Rose 1936-12-26 36824 a Riverside Hayfield, 5 mi. W of Desert Center Comment
  RSA393269  Eriogonum deflexum var. deflexum N. C. Cooper 1949-4-8 3257 Riverside Mecca Pass east of Indio. 610 Comment
  RSA65158  Eriogonum elongatum J. T. Howell 1928-11-4 4089 Riverside San Gorgonio Pass, between Banning and Cabazon. Comment
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Mar 13 2011
  UCR41374  Eriogonum elongatum N. M. Fellows 1985-1-5 54 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn., 1 mi west of Snow Creek Village 506 Comment
  LA206806  Eriogonum fasciculatum Norman C. Cooper; 1944-7-15 1572 Riverside Banning 701 Comment
  RSA0012645  Eriogonum fasciculatum April Garbat, Naomi Fraga, Kristin Forgrave, Tyler Schappe 2013-5-21 71 Riverside Canyon west of San Bernardino National Forest boundary (San Jacinto Ranger District), north over edge from road from Cranston Fire Facility (off Highway 74, aka Florida Ave). Orange Grove Canyon. 618 Comment
  JOTR34388  Eriogonum fasciculatum var. flavoviride Andre, Jim 2012-4-16 20915 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  SDSU6551  Eriogonum fasciculatum var. foliolosum S. J. Barnhart 1966-4-17 660417 -1 Riverside Small hill 0.1 miles east of McAllister St. along the Metropolitan Water Co. utility road (dirt), which is 1.5 niles south-east of the intersection of McAllister Street and Victoria Avenue. 457 Comment
  UC1393130  Eriogonum fasciculatum var. foliolosum John L. Strother 1970-7-7 993 Riverside at Alberhill Alberhill Comment
  UCR22011  Eriogonum fasciculatum var. foliolosum Steve Boyd 1980-5-11 230 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  POM158443  Eriogonum fasciculatum var. polifolium P. A. Munz 1927-5-21 10880 Riverside 10 miles SW of Coahiula. 1372 Comment
  POM197991  Eriogonum fasciculatum var. polifolium Donald A. Johansen, J. A. Ewan 1932-4-10 7048 Riverside Warrens Ranch at Whitewater. Comment
  RSA525269  Eriogonum fasciculatum var. polifolium Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4582 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  UC667254  Eriogonum fasciculatum var. polifolium Annie M. Alexander and Louise Kellogg 1941-5-23 2223 Riverside 1.5 mi ne Cottonwood Spring; Colorado Desert, Eagle Mountains 975 Comment
  RSA773654  Eriogonum gracile Duncan S. Bell, Joy D. England 2010-10-5 1973 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
  UCR260567  Eriogonum gracile T. B. Salvato 2014-5-29 8035 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  UCSB1429  Eriogonum gracile Munz, Philip; Johnston, D. 1928-9-12 Riverside Temescal Cyn Comment
  UCR117324  Eriogonum gracile var. gracile Mitch Provance 1998-6-11 660 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  RSA180361  Eriogonum gracile var. incultum E. W. Lathrop 1960-6-9 4973 Riverside 14 miles west of Murrieta. Comment
  CAS-BOT-BC257582  Eriogonum inflatum G. B. Grant No date on label 6789 Riverside Palm Springs, Colorado Desert Comment
  UCSB1442  Eriogonum inflatum Gray, Caroline 1956-4-13 Riverside Whitewater Cyn; near Whitewater Comment
  CAS-BOT-BC270590  Eriogonum molestum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  POM49276  Eriogonum molestum Mary F. Spencer 1919-7-1 1375 Riverside Idyllwild. 1616 Comment
  SEINET5330787  Eriogonum molestum I. W. Clokey, E. G. Anderson 1935-8-21 6594 Riverside East of Keen Camp P.O. 1370 Comment
  RSA701044  Eriogonum nidularium Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11289 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
  LA206959  Eriogonum nudum var. pauciflorum W. Pequegnat; 1937-9-3 129 Riverside Santa Ana Mountains, Bedford Rd 1645 Comment
  UC1395200  Eriogonum nudum var. pauciflorum James L. Reveal, Caroline G. Reveal 1972-8-10 2870 Riverside 1.1 mi se, along California Highway 243 Alandale Ranger Station (4.3 mi nnw of Idyllwild; 8.8 mi n of the junction with Highway 74); San Jacinto Mountains Comment
  JOTR36391  Eriogonum plumatella La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3344 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 300 m from fork in road, up mouth of canyon Comment
  RSA64587  Eriogonum pusillum F. W. Peirson 1928-3-10 7702 Riverside Just east of Whitewater Bridge, near Whitewater, at head of Coachella Valley. Comment
  CAS-BOT-BC253020  Eriogonum reniforme L. R. Abrams 1926-3-26 11056 Riverside Palm Springs to Palm Canyon Comment
  RSA64581  Eriogonum reniforme F. W. Peirson 1928-4-24 7911 Riverside Cottonwood Springs, northern Colorado Desert Comment
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Oct 9 2010
  UC667265  Eriogonum reniforme Annie M. Alexander and Louise Kellogg 1941-5-15 2178 Riverside n base Eagle Mountains Colorado Desert, Eagle Mountains 914 Comment
  RSA424914B  Eriogonum saxatile Louis C. Wheeler 1931-10-3 235 Riverside Sumit Fern Valley-Tahquitz Valley trail, San Jacinto Mountains. 2500 Comment
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Jul 9 2012
  RSA776241  Eriogonum thomasii Duncan S. Bell 2010-3-20 598 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  RSA796827  Eriogonum thomasii Jim Andre 2012-4-11 20784 Riverside Joshua Tree National Park; NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7 miles east of road to Cottonwood Spring (Utah Trail), 34 miles south of Highway 62 at 29 Palms. 730 Comment
  UC1595720  Eriogonum thomasii W. Wisura, J. Dolan, M. Wall 1992-3-24 4617 Riverside on Box Canyon Rd. 4.7 mi ne Mecca Comment
  UC1700176  Eriogonum thomasii Philip A. Munz 1940-3-23 15669 Riverside road from Dale to Cottonwood Springs (s base of Pinto Mts.); Pinto Mts. 609 Comment
  UCR104038  Eriogonum thomasii George K. Helmkamp, E. A. Helmkamp 1998-2-5 2674 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  RSA0009610  Eriogonum thomasii Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  JEPS56279  Eriogonum thurberi W. L. Jepson 1901-5-30 1553 Riverside Temecula River between Aguanga and Temecula; Temecula River Comment
  SBBG65516  Eriogonum thurberi L. Rowntree 1929-5-15 Riverside Morongo Pass Comment
  RSA0056351  Eriogonum thurberi Nancy Anderson 1955-5-19 s.n. Riverside Dead Indian Canyon. 304 Comment
  JEPS56821  Eriogonum trichopes W. L. Jepson 1927-4-13 11690 Riverside ne Mecca (lower slopes of Painted Canyon); Colorado Desert, Painted Canyon 45 Comment
  CAS-BOT-BC268175  Eriogonum umbellatum var. minus Albert J. Perkins 1915-8-1 s.n. Riverside San Jacinto Mts. Comment
  UCR63890  Eriogonum viridescens B. G. Pitzer 1989-4-16 1295 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  CAS-BOT-BC264923  Eriogonum wrightii var. membranaceum E. K. Balls; P. C. Everett 1953-8-19 18539 Riverside NW slope Santa Rosa Mt., road from Vandeventer Flat to Santa Rosa Peak 1676 Comment
  RSA420615  Eriogonum wrightii var. membranaceum Lester H. Cushman 1931-10 s.n. Riverside Mt. San Jacinto. 2134 Comment
  UC6551  Eriogonum wrightii var. membranaceum H. M. Hall 1897-7-31 755 Riverside Hemet Valley San Jacinto Mountains, Hemet Valley 1524 Comment
  CAS-BOT-BC261931  Eriogonum wrightii var. subscaposum J. Ewan 1930-8-31 2133 Riverside North rim Tahquitz Valley, San Jacinto Mts. 2651 Comment
  CAS-BOT-BC297353  Eriophyllum confertiflorum Annie E. Alexander; Louise Kellogg 1941-4-24 2073 Riverside Gorge of Dry Morongo Creek, Morongo Valley 640 Comment
  CAS-BOT-BC301798  Eriophyllum multicaule Steve Boyd 1986-4-2 1638 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  CLARK-A1045-293  Eriophyllum multicaule George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains Bee Canyon Road; chaparral; ; Hemet 15'Q 609 Comment
  CAS-BOT-BC296928  Eriophyllum wallacei John Thomas Howell 1928-3-11 3445 Riverside Garnet Station, Coachella Valley, Colorado Desert 213 Comment
  RSA289504  Eriophyllum wallacei Dale E. Johnson 1975-3-23 169 Riverside 22 km (13.7 miles S of Hwy 111 ( Palm Springs Indio road) and 16.9km (10.5mile) ENE of Hwy 71 (at Paadise Valley) on Hwy 74 (road to Palm Desert), at Big Horn lookout. 1037 Comment
  RSA6092  Eriophyllum wallacei C. B. Wolf 1932-5-25 3671 Riverside 1 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 396 Comment
  SD37567  Eriophyllum wallacei Edith A. Purer 1935-4-21 6452 Riverside East slope of San Jacinto Mountain. Comment
  UCR213598  Erodium botrys A. C. Sanders, Matthew Malle 2010-4-23 37986 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR104888  Erodium brachycarpum A. C. Sanders 1997-3-19 20013 Riverside Lake Skinner area, hills between Tucalota Creek and lower Rawson Canyon, c. 1/2 mi. (1 km) east of the lake 488 Comment
  UCR224993  Erodium cicutarium Dave Silverman, Cindy Hopkins, Jamison Miner 2008-3-31 7009 Riverside SE of Banning, old gravel pit/dump E of water treatment facility, along Smith Creek, 320 m S of East Westward Ave. 628 Comment
  RSA0045160  Erodium cicutarium Andrew Haimov, April Sleigh 1992-5-10 87 Riverside 75 meters east of Davis Road. 1 1/2 miles north of Ramona Expressway, San Jacinto Wildlife Area along access road. Comment
  CSUSB52  Erodium moschatum Cary Brown 1964-3-27 27364 1 Riverside East side of Pachappa Hill, City of Riverside. 274 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
  LA204343  Erysimum capitatum var. capitatum Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  RSA736243  Eschscholzia californica Scott D. White, Jonathan Campbell 2008-4-18 11895 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  UC855137  Eschscholzia californica I. W. Clokey, C. B. Clokey, and B. C. Templeton 1930-4-15 4641 Riverside Gavilan Peak 600 Comment
  POM17821  Eschscholzia californica var. peninsularis P. A. Munz 1923-6-14 7078 Riverside Trail Glen Ivy to Santiago Peak. 1616 Comment
  RSA777723  Eschscholzia minutiflora Jim Andre, G. L. Clifton 2011-2-22 17424 Riverside Mecca Hills; along Box Canyon Road, 8.5 miles NE of town of Mecca 171 Comment
  SEINET3094862 Image available Eschscholzia minutiflora Norman C. Cooper 1949-4-8 3243 Riverside Mecca Pass east of Indio. 610 Comment
  UCR144756  Eschscholzia minutiflora Scott D. White, Michael Honer 2003-5-14 9288 Riverside Sonoran (Colorado) Desert, bajada at foothills of Little Maria Mtns, c. 20 air miles NW of Blythe, near Standard (='Superior') Gypsum Mine 122 Comment
  UCR240995  Eschscholzia minutiflora Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 50 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  CAS-BOT-BC5931  Eschscholzia minutiflora var. parishii Samuel Bonsal Parish; William Fletcher Parish 1882-4-1 759 Riverside Eastern slope of San Bernardino Mt., Whitewater. Comment
  GMDRC5578  Eschscholzia papastillii Shannon M. Still 2009-2-21 436 Riverside 167 Comment
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Sep 2 2017
  CAS-BOT-BC419608  Eschscholzia parishii L. A. Greata 1905-4-1 424 Riverside Coachella Comment
  UCR226790  Eschscholzia parishii Jim Andre 2011-2-9 15907 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  JOTR01022  Eschscholzia parishii Cole, James E. 1941-4-23 637 Riverside Joshua Tree National Park. WEST END OF PINTO BASIN 609 Comment
  POM10153  Escobaria vivipara var. alversonii P. A. Munz 1921-5-1 4489 Riverside Southern edge of Mojave Desert near Pinyon Wells. 1220 Comment
  UCR67001  Eucalyptus camaldulensis S. J. Myers 1990-12-5 s.n. Riverside Santa Ana River, Louis Rubidoux Nature Center, along drainage that connects to Sunnyslope Channel, and to the confluence with the Santa Ana River 213 Comment
  RSA704001  Eucrypta chrysanthemifolia Daphne K. Christopher, H. Stevens, Z. Princip 2003-4-9 126 Riverside Near Hermano Road, off Hwy. 15, Indian Truck Trail exit. On right spur of primary dirt road. 550 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
  UCR127327  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25835 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  RSA776021  Eucrypta micrantha Duncan S. Bell 2010-3-20 607 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UCR51984  Eucrypta micrantha Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2175 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  SD239815  Eugenia uniflora A. C. Sanders, T. B. Salvato 2012-2-8 39961 Riverside Peninsular Range: Riverside, south side of UCR campus at old C.E.S. Director's garden, S of South Campus Dr., near College Building North (Riverside East 7.5'Q) 353 Comment
  RSA0121044  Eulobus californicus Duncan S. Bell, LeRoy Gross 2016-3-29 9123 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
  UCR223972  Euphorbia albomarginata A. C. Sanders 2011-3-23 38801 Riverside Peninsular Range; Gavilan Hills Region, powerline corridor, SW of Perris, east of Hwy 74 between the highway and the San Jacinto River, south of Ethanac Rd. 440 Comment
  RSA0124812  Euphorbia eriantha Duncan S. Bell, LeRoy Gross 2016-3-9 8849 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  UCR17718  Euphorbia eriantha Hap Ritter, Paul Mack 1976-10-19 s.n. Riverside Sonoran (Colorado) Desert, c. 20 mi. NW of Blythe on the Midland Road, McCoy wash drainage, SW side of the Big Maria Mtns. 245 Comment
  UCR139980  Euphorbia maculata A. C. Sanders 2004-8-10 28768 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) & south of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  JEPS51904  Euphorbia palmeri W. L. Jepson and H. M. Hall 1901-5-19 1307 Riverside Strawberry Valley; Mt. San Jacinto Comment
  UC110913  Euphorbia palmeri A. W. Anthony 1895-7-9 Riverside San Jacinto Mountains 2590 Comment
  SD128680  Euphorbia polycarpa Darley F. Howe 1980-4-15 Riverside 1.5 miles west of Mesa Verde, south slope of McCoy Mountains, Highway 10 Comment
  UCR103997  Euphorbia polycarpa George K. Helmkamp 1998-4-3 3067 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river 396 Comment
  UCR163870  Euphorbia polycarpa B. G. Pitzer 2000-11-4 4245 Riverside Sonoran (Colorado) Desert, north side of the Chuckwalla Mtns., Eagle Mountain Rd. 0.8 mi. south of Hwy I-10 at and around powerline road, c. 3.5 mi. WSW of Desert Center 402 Comment
  UCR21194  Euphorbia polycarpa Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  RSA296137  Euphorbia polycarpa var. hirtella B. A. Prigge 1980-8-5 3879 Riverside Whitewater canyon: 1.1 miles N of Interstate 10. 473 Comment
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Jan 14 2010
  UCR26563  Euphorbia polycarpa var. hirtella George K. Helmkamp, R. L. Kobaly 1982-5-6 s.n. Riverside San Jacinto Mtns, N foot, at Snow Creek. Beside Snow Creek Road between the village and the wash. 488 Comment
  UCR239870  Euphorbia prostrata O. F. Clarke 2004-5-4 s.n. Riverside Riverside, UCR Campus 335 Comment
  RSA343863  Euphorbia spathulata R. F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60654 Riverside Santa Rosa Plateau: Mesa de Colorado. 625 Comment
  RSA561522  Euthamia occidentalis Steve Boyd, Timothy S. Ross, David E. Bramlet 1992-9-9 7674 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  SD136895  Euthamia occidentalis Steve Boyd, Tim Ross, Dave Bramlet 1992-9-9 7674 Riverside San Mateo Canyon Wilderness Area. Upper San Mateo Canyon from junction of Tenaja Road and Los Alamos up San Mateo Trail to Potrero Cienega 395 Comment
  CAS-BOT-BC167363  Fagonia laevis A. C. Sanders; K. Rose 1995-4-27 16739 Riverside Coachella Valley: foot of the Little San Bernardino Mtns., canyon E of Fan Hill, just outside Joshua Tree Nat. Park 550 Comment
  RSA391198  Fagonia laevis N. C. Cooper 1949-4-8 3265 Riverside Mecca Pass east of Indio 457 Comment
  RSA77844  Fagonia laevis F. W. Peirson 1932-3-22 9810 Riverside 20 miles North of Blythe on the road to Needles, Eastern Riverside. 152 Comment
  UCSB22662  Fagonia laevis Shaw, M. 1964-4-5 Riverside Wash along State Highway 195, 2.8 miles west of junction with cut off road to U.S. Highway 70. 457 Comment
  POM9059  Fagonia laevis Philip A. Munz, R. D. Harwood 1920-4-3 3578 Riverside 30 miles west of Blythe. 366 Comment
  SBBG59918  Fagonia pachyacantha D. F. Howe 1980-4-16 Riverside Corn Springs Rd, 4 mi S of Interstate 10; Chuckawalla Mtns 335 Comment
  UCR279525  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2017-3-29 43188 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  UCR181346  Festuca arundinacea Mitch Provance 2003-7-7 6528 Riverside San Bernardino Valley, Glen Avon (near border with Fontana) along the NW base of the Jurupa Mountains, south of Philadelphia St. and just east of Country Village Rd 253 Comment
  UCR137695  Festuca megalura D. L. Banks, V. W. Steinmann 1997-3-13 1481 B 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
  SEINET10516217  Festuca ovina David B. Dunn, Shogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3705 Riverside Pushawalla; in the wash Indio Hills, Colorado Desert. Comment
  RSA717499  Ficus carica A. C. Sanders, O. F. Clarke 1991-6-10 11119 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  RSA728602  Filago Gary D. Wallace, M. Z. Wallace 1982-3-27 1894 Riverside Whitewater River, Indian Ave. 2 mi. S of San Bernardino county line, W of Joshua Tree National Monument, NW of Desert Hot Springs. Comment
  RSA0026299  Filago John F. Emmel 1991-4-28 1169 Riverside Lakeview Mts. WNW of Hemet; slope 0.1 air mile south and 016 [1.6?] air mile west of intersection of Warren Road and Esplanade Ave. 518 Comment
  RSA500099  Filago arizonica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3211 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  UCR102869  Filago arizonica A. C. Sanders 1997-3-26 20121 Riverside Lake Skinner area, NW foot of the Tucalota Hills, 0.2 mi. east of main Skinner entrance road on a dirt service road 473 Comment
  RSA612961  Filago californica D. L. Banks 1997-3-29 1630 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
  UCR225189  Filago californica Steve Boyd, Susan Jett 2008-3-20 11831 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  UCR44424  Filago californica A. C. Sanders, B. Pitzer 1986-4-30 6485 Riverside San Jacinto Mtns, upper Bee Canyon along the road, 1.3 mi. above the mouth of the canyon at the San Jacinto River Valley 732 Comment
  RSA296220  Flaveria trinervia A. C. Sanders 1981-10-31 2392 Riverside McKinley Street between Riverside and Corona, 3/10 mile north of Hwy. 91 and about 100 yards west of McKinley in a weedy, abandoned squash field 305 Comment
  RSA96633  Fouquieria splendens E. K. Balls 1954-4-19 19038 Riverside [Unspecified] 61 Comment
  JEPS46440  Fouquieria splendens subsp. splendens W. L. Jepson 1912-10-30 5251 Riverside Black Pt. Riverside Mts., Colorado River Comment
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Jun 8 2012
  RSA0018936  Frangula californica subsp. cuspidata Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 695 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SD186320  Frangula californica subsp. tomentella Andy C. Sanders 2004-6-20 28215 Riverside Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  SBBG50235  Frankenia salina A. C. Sanders with K. Knudsen, T. B. Salvato 2004-5-18 27896 Riverside Temescal Crk in Walker Cyn, at foot of Alberhill Mtn 378 Comment
  UCR139625  Frankenia salina A. C. Sanders 2004-7-1 28379 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, c. 1.5 mile NW of the "Menifee-Antelope Community Hall", 0.6 mi. east of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and c. 5 miles due south of Sun City 457 Comment
  RSA69435  Frasera parryi F. W. Peirson 1924-6-28 5008 Riverside Pine flats Camp, San Jacinto Mts. 1799 Comment
  UC1929297  Fraxinus dipetala Scott D. White, Justin Wood 2008-5-12 11946 Riverside Beaumont- NE point of the Beaumont Badlands, N of Mt. Davis. 793 Comment
  UCR126262  Fraxinus uhdei Nathan Moorhatch, John Green 2003-4-2 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Whitewater River channel at Date Palm Drive in Cathedral City 91 Comment
  UCR132719  Fraxinus uhdei A. C. Sanders, O. F. Clarke 1991-6-10 11131 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UC277060  Fraxinus velutina I. M. Johnston 1917-12-1 1804 Riverside nw of Corona; Santa Ana River 182 Comment
  RSA359516  Fritillaria biflora Steve Boyd 1986-3-9 1377 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain 427 Comment
  JEPS52914  Galium Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4243 Riverside 0.9 mi n Alvin Meadows (Red Hill Rd); San Jacinto Mts. 1661 Comment
  UCR275945  Galium andrewsii T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3788 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  UCR132341  Galium angustifolium 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
  RSA60732  Galium angustifolium subsp. angustifolium Frank W. Gould 1943-4-17 2121 Riverside 12 miles S of Corona. Comment
  RSA594040  Galium angustifolium subsp. gracillimum D. L. Banks, Elizabeth Hedge Banks 1996-5-2 929 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  UCR147545  Galium angustifolium subsp. jacinticum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1283 b Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  UCD121905  Galium porrigens var. porrigens A. C. Sanders; P. MacKay, T. Thomas and O. Clarke 1997-5-4 20644 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740. 1067 Comment
  POM67937  Galium stellatum Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA668495  Garrya S. Granger 1979-3-7 s.n. Riverside Last Horse Mountain., west fork of Whitewater. Comment
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Mar 15 2013
  CLARK-A1528-5428  Garrya flavescens John C. Roos 1947-3-15 3337 Riverside San Jacinto Mountains 1462 Comment
  POM20916  Gastridium phleoides P. A. Munz 1923-9-7 7758 Riverside Trail from Holy Jim Canyon to Santiago Peak 1128 Comment
  RSA667033  Genista monosperma Anne Catterson 2002-2-25 s.n. Riverside Perris-Aguanga Basin region: Orangecrest area of SE Riverside, 17120 Cole Ave. 518 Comment
  UCR244730  Geraea canescens Jim Andre 2012-3-19 21347 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  RSA716817  Geranium carolinianum A. C. Sanders 2004-4-20 27569 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  RSA391014  Geranium richardsonii M. B. Dunkle 1933-7-22 3748 Riverside Tahquitz Valley. 2317 Comment
  RSA680565  Gilia Scott D. White, Michael Honer 2003-4-30 9130 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  RSA614703  Gilia angelensis George K. Helmkamp, Elizabeth Helmkamp 1997-3-5 1326 Riverside 2.8 mi SE of Gilman Hot Springs. 518 Comment
  RSA86578  Gilia angelensis Anonymous 1954-4-16 9314 Riverside Floodplain of Temecula Creek just south of town of Temecula. 305 Comment
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Feb 14 2013
  UCR126366  Gilia angelensis A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 694 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR85322  Gilia angelensis A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16171 Riverside Coachella Valley/San Jacinto Mtns foothills, Coachella Valley: N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 mi above Hwy 111 (Palm Canyon Dr.) 612 Comment
  UCR91224  Gilia angelensis Scott D. White 1996-3-31 3871 A Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  UC879811  Gilia clivorum Marcus E. Jones, A. M. 1882-4-24 3169 Riverside San Jacinto Comment
  UC908898  Gilia diegensis Carl V. Meyer 1927-6-18 774 Riverside upper part Hemet Valley , Hemet Valley (San Jacinto Mountains) 1219 Comment
  CAS-BOT-BC123780  Gilia hallii Harvey Monroe Hall 1899-5-1 s.n. Riverside El Toro Mt. Comment
  RSA0054866  Gilia latiflora Keith E. Hoffmaster 1937-6-6 793 Riverside San Jacinto Mts, (Lake Hemet). Comment
  UCR86866  Gilia latifolia A. C. Sanders, K. C. Rose 1995-4-27 16742 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
  JEPS4070  Gilia ochroleuca subsp. exilis W. L. Jepson 1901-5-20 1316 Riverside Thomas Valley San Jacinto Mts., Thomas Valley Comment
  UCR44363  Gilia sinuata A. C. Sanders 1986-6-1 6559 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  UCR151103  Gilia splendens Scott D. White, Julie Greene 1998-8-1 6969 Riverside Peninsular Ranges/San Jacinto Mtns region, Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park 1951 Comment
  RSA234103  Gilia stellata R. F. Thorne, R. Carolin 1967-3-21 41631 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  UCR214284  Gilia stellata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37489 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
  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
  SD7669  Gilia tricolor Daniel Cleveland 1882-4-24 Riverside Copeland's, San Jacinto. Comment
  RSA445520  Glaucium flavum Donald A. Johansen 1933-7-14 710 Riverside Along road from Cherry Valley to Mesa Mira. 1372 Comment
  UCR110382  Glinus lotoides A. C. Sanders, Mitch Provance 1999-9-26 23111 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  IRVC28517  Glyceria declinata A. C. Sanders, S. Hawkins 1996-4-24 18088 Riverside Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog San Bernardino Mtns 1098 Comment
  SEINET13276757 Image available Glycyrrhiza lepidota Mitch Provance 2012-1 196 -05 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave (Riverside 7.5' Q.) 226 Comment
  UCR202422  Gnaphalium californicum Yvonne Thompson, G. Nuhn 1998-9-3 s.n. Riverside San Gorgonio Pass, Banning, site of proposed development called 'Sunset Crossing' at NW corner of Sunset and Westward Aves., between Sunset and Highland Home Rd., N of Westward 756 Comment
  RSA89959  Gnaphalium canescens J. C. Roos 1950-10-21 5014 Riverside Wonderland of Rocks [Joshua Tree National Park] 1220 Comment
  UCR155820  Gnaphalium palustre John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR75535  Gnaphalium palustre A. C. Sanders 1993-5-12 14011 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  UCR96861  Gnaphalium palustre Scott D. White 1993-4-30 1317 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  UCR88546  Gnaphalium stramineum A. C. Sanders, J. C. Lyman 1995-4-16 16565 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  JOTR35472  Grayia spinosa Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-26 75 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats 1389 Comment
  UC277045  Grusonia parishii E. C. Jaeger May 1921 Riverside near King Mine; Little San Bernardino Mountains Comment
  RSA480083  Guillenia lasiophylla Steve Boyd, S. Meury, Richard Noyes, D. Nordin, L. Arnseth, Timothy S. Ross 1988-3-10 2172 Riverside Palen Pass at the north end of the Palen Mountains 500 Comment
  UCR202006  Gutierrezia californica Mike Misenhelter 1998-7-7 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  UCR92219  Gutierrezia californica D. L. Banks, Steve Boyd 1995-10-26 0828 Riverside NW Palomar Mtns., Agua Tibia Mts., Cleveland Nat'l Forest, west of the Woodchuck trail. 0.8 mi from Wilderness Boundary 744 Comment
  RSA696838  Gutierrezia lucida J. R. Bruff 1927-11-26 35 Riverside Cottonwood Springs. Comment
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Jul 7 2012
  RSA5539  Gutierrezia microcephala C. B. Wolf 1932-10-13 4313 Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  UC1523503  Gutierrezia microcephala Robert F. Thorne and Rolf and Gertrud Dahlgren 1979-8-23 53596 Riverside along road at meeting area of Mojave and Colorado Deserts Pinto Basin Road; Mojave and Colorado Desert border area, Pinto Basin Road 1097 Comment
  SDSU13560  Gutierrezia sarothrae W. Miller, C. Mosse Riverside Comment
  UC32187  Gutierrezia sarothrae H. M. Hall 1901-6-1 Riverside Temescal Wash Comment
  CLARK-A1528-1884  Haplopappus cooperi John C. Roos 1943-5-22 2648 Riverside Little San Bernardino Mountains Comment
  RSA650133  Haplopappus linearifolius J. Bruce Smiley 1940-3-16 s.n. Riverside Whitewater. 762 Comment
  SEINET3859876  Haplopappus venetus A. C. Sanders, Donald L. Sanders 2010-11-28 38695 Riverside Peninsular Range; NW Gavilan Hills: Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave.; 0 232 Comment
  RSA0066605  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-19 3036 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain. 549 Comment
  RSA0066622  Harpagonella palmeri Steve Boyd 1986-5-1 1790 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  RSA0066633  Harpagonella palmeri Steve Boyd, Timothy S. Ross 1993-3-23 7906 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Small area of native grassland on break in slope, west side of trail extending south from end of Woodchuck Road. 732 Comment
  CLARK-A1528-1938  Helenium puberulum John C. Roos 1937-7-11 2417 Riverside Reche Canyon Comment
  OBI16329  Helianthus annuus Lewis S. Rose 1966-12-11 66095 Riverside Palm Springs 152 Comment
  RSA188416  Helianthus annuus subsp. lenticularis L. S. Rose 1966-12-11 66095 Riverside Palm Springs. 152 Comment
  SD227749  Helianthus niveus Scott D. White, Sandy Leatherman 1998-4-15 6285 Riverside Coachella Valley. La Quinta / Palm Desert area: Near Miles Ave. crossing over Whitewater River Channel. Degraded dunes N of Miles Ave. and W of Washington St. 39 Comment
  SJSU10556  Helianthus petiolaris subsp. canescens T. G. Balgooyen 1966-4-4 Riverside 1 mi S of Palm Springs Comment
  UC1063894  Heliotropium curassavicum A. Lewis May 1934 464 Riverside Temecula R. Elsinore Quad., Temecula R. 365 Comment
  UCR112802  Heliotropium curassavicum A. C. Sanders 1997-5-1 20614 Riverside Lake Skinner area, old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 457 Comment
  UCR125212  Hemizonia fasciculata Mitch Provance 1998-5-5 520 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal Ofc. 250 Comment
  POM204504  Hemizonia kelloggii M. French Gilman 1934-7-8 s.n Riverside Banning Comment
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Mar 13 2011
  RSA216766  Hemizonia kelloggii Robert F. Hoover 1968-6-7 11155 Riverside Lower St Johns Canyon S of Hemet 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
  UCR3502  Hemizonia kelloggii Frances Miller 1964-5-20 M- 6456 Riverside N Peninsular Range/San Bernardino Valley, base of Box Springs Mtns., 1/4 mi north of end of Big Springs Rd, above RR 366 Comment
  RSA678262  Hemizonia mohavensis Valerie L. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1063 -b Riverside Alongside Highway 74, ca. 1 mile west of junction with Highway 243 (Mountain Center). 1311 Comment
  RSA702550  Hemizonia paniculata Scott D. White, Brian Leatherman 2004-10-7 10769 Riverside Perris Basin: City of Perris. Immediately east of the I-215 Freeway, at Watson Road. 434 Comment
  UCR260554  Hemizonia paniculata T. B. Salvato, Matt Malle 2014-5-29 8016 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
  UCR57152  Hemizonia pungens subsp. laevis D. C. Hawks 1989-7-12 s.n. Riverside Perris-Aguanga Basin region, 1/4 mi south of Bernasconi Hot Springs, between Bernasconi Pass and the San Jacinto River Comment
  RSA1909  Hesperocallis undulata B. D. Stark 1931-4-27 1090 Riverside 2.0 miles east of Mecca. Alt. below sea level. Comment
  RSA0011889  Hesperocallis undulata Linda M. Prince, Jason Koontz, Jennifer Pilapil, Zezva Asanidze 2012-3-25 674 Riverside Desert Lily Reserve. Comment
  RSA585794  Hesperocnide tenella D. L. Banks, Steve D. Boyd 1995-5-9 421 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 710 Comment
  UCR100297  Hesperocnide tenella B. G. Pitzer 1997-4-20 3185 Riverside Lakeview Mtns, Intersection of 'Dutton' Street with Voltaire Vista Road. (Note: Dutton ends in T-intersection at Sardis Lane, which makes a 90 deg. E turn onto Brent Lane, which becomes Voltaire Vista Road east of Elton Lane. Therefore, this locality is actually the intersection of Elton Lane & Voltaire Vista Road.) 610 Comment
  UCR93013  Heterotheca grandiflora G. P. Schultz 1994-4-8 56 Riverside Box Springs Mtns., mouth of Two Trees Canyon ( on the north side of the stream, in an open field) 410 Comment
  UCR99567  Heterotheca grandiflora Julie A. Greene, S. D. White 1993-7-5 1400 Riverside San Jacinto Valley, San Jacinto Wildlife Area, on raised wet area, west of dirt road 445 Comment
  UC1080368  Heterotheca sessiliflora subsp. fastigiata E. K. Balls and P. C. Everett 1957-8-20 22680 Riverside se of Hemet Reservoir (along State Hwy 74, s end of San Jacinto Mts.); San Jacinto Mts. 1356 Comment
  CAS-BOT-BC425263  Heuchera rubescens Winifern W. Swarth 1914-9-14 s.n. Riverside San Jacinto Peak, San Jacinto Mts. 3293 Comment
  JOTR36462  Hibiscus denudatus La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3432 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  UCR213269  Hibiscus denudatus A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37442 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  UCR214297  Hibiscus denudatus A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37472 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
  SEINET212651 Image available Hilaria rigida L. C. Higgins 1974-4-12 8488 Riverside 5 mi S of Morongo Valley on Hwy 62 Comment
  RSA752783  Hirschfeldia incana Scott D. White, Justin M. Wood 2009-5-21 12847 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  RSA801715  Hoffmannseggia densiflora Keith E. Hoffmaster 1937-6-6 814 Riverside Desert end Palms to Pines road. Comment
  SD232683  Hoffmannseggia glauca A. C. Sanders 1992-4-5 12166 Riverside Colorado Desert: Chuckwalla Valley, Ford Dry Lake, N of I-10 at Ford Dry Lk. Rd., near site of Hopkins Well. 110 Comment
  CAS-BOT-BC206101  Hoffmannseggia microphylla John Thomas Howell 1928-3-25 3543 Riverside Rocky walls of Painted Canyon [Canon], Colorado Desert Comment
  CAS-BOT-BC206107  Hoffmannseggia microphylla Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  SBBG95145  Hoita macrostachya M. Hales 1977-11-6 Riverside Oasis de Los Osos, Snow Crk Cyn Comment
  UCR211706  Hordeum depressum Fred M. Roberts, Michelle Balk 2006-5-2 6329 Riverside San Jacinto Valley, Hemet, Stoney Mountain Preserve, 1.0 km north of the summit of Tres Cerritos Hills and 0.4 km southeast of the junction of Warren Road and Esplanade Road 458 Comment
  UCR2475  Hordeum depressum F. M. Reed 1935-4-6 9310 Riverside San Jacinto River canyon, 5 miles south of Perris Comment
  UCR281279  Hordeum depressum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 19 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  RSA85086  Hordeum intercedens J. C. Roos 1952-4-23 5571 Riverside 1 miles southeast of Perris 427 Comment
  RSA6010  Horkelia clevelandii Carl B. Wolf 1932-8-4 3927 Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  UC114268  Horkelia clevelandii T. S. Brandegee 1889-7-1 Riverside San Jacinto Mts. Comment
  UC12391  Horkelia clevelandii H. M. Hall 1901-6-1 2291 Riverside Meadows in the vicinity of Strawberry Valley San Jacinto Mountains, Strawberry Valley 1615 Comment
  JOTR16597  Hulsea vestita subsp. parryi Walters, Jim 1967-4-11 s.n. Riverside Joshua Tree National Park. COVINGTON FLAT 1645 Comment
  UCR83548  Hydrocotyle umbellata A. C. Sanders, P. MacKay, L. & P. Lubinsky 1994-10-30 15855 Riverside San Bernardino Mtns., Whitewater Canyon near Stills Landing 1040 Comment
  POM361078  Hymenoclea salsola F. R. Fosberg 1932-3-13 8090 Riverside Thousand Palms Canyon. Coachella Valley. Comment
  JOTR30095  Hymenoclea salsola var. salsola La Doux, Tasha, Alice Miller 2007-5-8 1735 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd., common. 1385 Comment
  UCR34978  Hymenopappus filifolius var. lugens L. B. Ziegler 1968-5-21 298 Riverside San Jacinto Mtns., Hemet Valley (=Garner Valley) 1418 Comment
  UC1931097  Hypericum scouleri Scott D. White, Justin Wood 2008-7-8 12369 Riverside San Jacinto Mountains: Hurkey Creek Watershed - Bonita Vista Rd. ca. 1/2 miles E and W of Hurkey Creek crossing. Comment
  CAS-BOT-BC219761  Hyptis emoryi Ivan Johnston 1917-4-4 1098 Riverside Near Palm Springs Comment
  CAS-BOT-BC219767  Hyptis emoryi J. Beley 1974-2-21 0430 Riverside 3 1/2 mi North of Benchmark 215 NE of Indio Comment
  HSC88233  Hyptis emoryi Elizabeth Neese 1979-4-10 7063 Riverside Joshua Tree National Monument S of Twenty-nine Palms, between Pinto Basin Jct. and Cottonwood Wash. 305 Comment
  JOTR32428  Hyptis emoryi La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2124 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  POM306694  Hyptis emoryi Henry J. Ramsey, Henry J. Ramsey 1926-4-26 1688 Riverside Near Desert Center. Comment
  RSA420156  Hyptis emoryi Elbert Benjamine 1929-4-6 139 Riverside Box Canyon, Coachella Valley, Colorado Desert. Comment
  UCR241717  Hyptis emoryi Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 47 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  SEINET10836950  Hyptis emoryi David B. Dunn 1948-2-21 Dunn 3657 Riverside Found in wash; a rain about two weeks earlier. Pushawalla canyon, indio hills of the colorado desert; w of indio. Comment
  RSA0115579  Imperata brevifolia N. R. Zabriskie 1973-4-6 629 Riverside South side stream downstream from juncture with North Canyon. Andreas Canyon, east slope San Jacinto Mtns. 365 Comment
  UCR114328  Ipomoea hirsutula Mitch Provance 1998-9-28 1158 Riverside City of Riverside, Hillside area, Joseph and Socorro Gomez residence, 5575 Dean Way. 238 Comment
  UCR132779  Ipomoea triloba S. J. Myers 1996-11-25 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Indio, near Auto Center Drive east of RR and of Indio Blvd. -6 Comment
  UCSB45914  Isocoma acradenia Clarke, Oscar 1969-11-10 Riverside Near Whitewater on Hwy. 111, 2 miles southeast of the point where it merges into Interstate Hwy. 10 at Verbenia Ave. Comment
  OBI74760  Isocoma acradenia var. eremophila Scott D. White 2006-3-29 11277 Riverside Colorado Desert: Eastern Coachella Valley a few mi E of Indio. Proposed I-10 fwy/McMaughton pkwy interchange, N of I-10 fwy Comment
  POM350408  Isocoma acradenia var. eremophila L. E. Hoffman 1927-08 s.n. Riverside Beaumont, Banning Pass. Comment
  POM319719  Isocoma menziesii Patricia Wilder 1971-2-4 4915 Riverside Santa Ana River in Prado Park; east of Archibald Ave. 244 Comment
  OBI15998  Isocoma menziesii var. vernonioides H. E. McMinn 1935-6-22 3932 Riverside 1 mi N of Elsinore Comment
  UC857719  Isomeris arborea N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Oasis Comment
  SEINET8727087 Image available Isomeris arborea Jean Coulson 1959-1 75 Riverside Highway 60, 4.0 mi. W. of junction with 111 S. of road. 1 Comment
  SBBG101689  Iva axillaris S. Boyd with T. Ross 1991-6-14 6368 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  UCR213858  Juglans californica Scott D. White, Justin M. Wood 2009-5-22 12927 Riverside San Jacinto Mountains, Halfway Spring, accessed via Old Control Road 1159 Comment
  UCR229277  Juglans hindsii R. E. Riefner Jr. 2011-9-10 11- 126 Riverside Santa Ana Canyon, end of Green River Road, near entrance to Green River Golf Course 125 Comment
  JOTR35138  Juncus acutus subsp. leopoldii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3249 Riverside Joshua Tree National Park. West of Queen Mountain, Wonderland of Rocks; Active, bouldery wash with sandy bottom and large granite outcrops (Stop 3) 1294 Comment
  UCR89388  Juncus acutus subsp. leopoldii A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15875 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
  RSA586248  Juncus bryoides Darin L. Banks 1995-4-11 167 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
  SDSU13938  Juncus bryoides Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2108 Riverside Wet meadow region, south end of second small meadow north of El Valle. Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  RSA198996  Juncus bufonius Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37449 Riverside Santa Rosa Plateau: Mesa de Colorado 671 Comment
  SD146108  Juncus bufonius var. congestus A. C. Sanders, K. C. Rose 1999-6-18 22827 Riverside Domenigoni Valley,upper Warm Springs Ck,bet. Hwy 79(Winchester Rd)&Scott Rd,Domenigoni Ranch,S of Winchester;Winchester 7.5' quad. Silty alkaline loam in flat valley bet. low hills. In mud along drying ck margins in dense herbs bet. old fields. 433 Comment
  UCR116975  Juncus bufonius var. congestus A. C. Sanders, T. B. Salvato 2001-5-3 24100 A Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  JOTR35126  Juncus bufonius var. occidentalis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3238 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  POM259160  Juncus effusus subsp. austrocalifornicus Phillip A. Munz 1938-8-14 15367 Riverside Head of Black Rabbit Canyon, Toro Peak, Santa Rosa Mountains. 2378 Comment
  JOTR32968  Juncus macrophyllus La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2719 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  UCR201479  Juncus macrophyllus Scott D. White, Justin M. Wood 2008-6-18 12248 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  JOTR35513  Juncus mexicanus La Doux, Tasha, M. Harding, K. Callahan, D. Shade, M. Wheeler, T. Herskovits 2013-6-5 3200 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon 1219 Comment
  POM14181  Juncus rugulosus E. C. Jaeger 1921-7-15 s.n. Riverside Massacre Canyon, [along Potrero Creek] Comment
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Nov 5 2011
  CAS-BOT-BC123242  Juncus tiehmii Barbara J. Ertter; Jeffrey L. Strachan 1979-6-26 2971 Riverside San Bernardino National Forest, San Jacinto Mountains 762 Comment
  JEPS9203  Justicia californica S. B. Parish Apr 4 1896-Apr 13 1896 4136 Riverside Palm Springs (Agua Caliente), desert base of San Jacinto Mt. San Jacinto Mt., Palm Springs (Agua Caliente) 152 Comment
  UC1792808  Kallstroemia californica B. G. Pitzer with G. R. Ballmer 2000-10-14 4218 Riverside Sonoran (Colorado) Desert: south of eastern Ford Dry Lake, south side of Hwy I-10 along gasline road, 0.5-0.75 mi. east of Ford Lake Rd. exit, ca. 22 miles west of Blythe 114 Comment
  CAS-BOT-BC235504  Keckiella antirrhinoides Jim Shevock 1970-4-25 163 Riverside Coldwater Trail 670 Comment
  UCR91427  Keckiella antirrhinoides var. antirrhinoides Scott D. White 1995-3-30 2652 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  UCR178834  Keckiella ternata Tracy Tennant 1998-8-28 MOR- 703 Riverside San Jacinto Mtns., along Hwy 243 opposite (west of) McMullen Flat, tree stand A01 1220 Comment
  RSA0060486  Keckiella ternata var. ternata J. M. Andre 2012-6-15 30508 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
  RSA674939  Koeleria macrantha Scott D. White, Bill La Haye 2000-5-27 7948 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UC38719  Koeleria macrantha H. M. Hall 1901-6-20 2206 Riverside s side San Jacinto Mountains; s side San Jacinto Mountains 1645 Comment
  CAS-BOT-BC61436  Krameria bicolor Annie M. Alexander; Louise Kellogg 1941-5-14 2166 Riverside Near Shaver Summit 502 Comment
  RSA273332  Krameria erecta J. P. Smith, J. O. Sawyer 1973-6-10 6885 Riverside Joshua Tree National Monument. Comment
  UCR281013  Krameria erecta Fred M. Roberts 2016-3-5 7986 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: west end, 4.3 km E Palen Pass and 2.2 km W 'Peak 602" 113 Comment
  UCR52008  Krameria erecta Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2204 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  CLARK-A1528-5688  Krameria grayi John C. Roos 1946-5-15 3856 Riverside Eagle Mountains Comment
  CLARK-A1656-808  Krameria grayi Jon Mark Stewart 1982-5-15 Riverside San Jacinto Mountains 975 Comment
  JOTR32436  Krameria grayi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2258 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  RSA795972  Krameria grayi Duncan S. Bell 2009-4-19 297 Riverside Arica Mountains: east side of range, approximately 1 air mile northwest of Priests Well. 342 Comment
  UC1280881  Krameria grayi Frank F. Gander 1938-5-21 5762 Riverside Shaver's Summit Comment
  JEPS41824  Laennecia coulteri S. B. Parish 1912-10-24 8357 Riverside Thermal Salton Basin, Thermal -39 Comment
  RSA180492  Lagophylla ramosissima E. W. Lathrop 1960-5-27 5233 Riverside 6 miles west of Murrieta. Comment
  RSA612957  Lamarckia aurea D. L. Banks 1997-3-29 1626 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
  UCD63410  Lamarckia aurea F. M. Reed 1933-5-20 7692 Riverside Riverside. Comment
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May 1 2011
  UC1287141  Langloisia setosissima subsp. setosissima C. L. Hitchcock 1966-3-20 24310 Riverside hills just n. Milpitas Wash (Ogilby-Blythe rd.) Comment
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Mar 2 2013
  CAS-BOT-BC171125  Larrea tridentata Catherine A. Toschi 1963-4-13 63 :131 Riverside Boyd Desert Research Center, 5 miles south Palm Desert 304 Comment
  POM8310  Larrea tridentata Mary F. Spencer 1920-4-9 223 Riverside In desert sand. Palm Springs. 122 Comment
  RSA682850  Larrea tridentata Scott D. White 2003-3-23 8843 Riverside Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  RSA761080  Larrea tridentata Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-20 149 Riverside W of Palen/ McCoy Wilderness. Intersection of Hwy 177 and Palen Pass Rd (kiosk). 366 Comment
  RSA795738  Larrea tridentata Jim Andre 2012-3-18 21291 Riverside Palen Valley; along Rice Road (Highway 177) east of Coxcomb Mountains, 9.6 miles south of Highway 62. 208 Comment
  SBBG109171  Larrea tridentata D. Wilken with G. A. Wilken 1997-11-1 15373 Riverside tributary of San Bernardino Wash, 0.3 km SW of Gold Crown Rd, SW slope of Pinto Mtns 605 Comment
  SEINET4907864  Larrea tridentata H. F. Thut 1971-1-31 s.n. Riverside W of Blythe. 305 Comment
  UC1280939  Larrea tridentata H. E. McMinn 1937-3-5 5000 Riverside about 7 mi w Blythe Comment
  UCR89566  Larrea tridentata George K. Helmkamp 1994-3-8 41 16 Riverside Western Colorado Desert, SW-facing slope at the junction of [Date] Palm Dr. and Varner Rd., below Edom Hill, 'Indio Hills 152 Comment
  RSA390026  Larrea tridentata Anstruther Davidson 1893-03 s.n. Riverside [Unspecified] Comment
  SD186090  Lasthenia californica A. C. Sanders, Mike Misenhelter 2005-3-23 29246 Riverside Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta. 701 Comment
  UC1922902  Lasthenia californica Scott D. White 2005-3-29 10834 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio River and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. Comment
  RSA599425  Lasthenia coronaria R. E. Riefner 1997-3-18 97 -115 Riverside Bull Canyon, E of El Toro Road between Lindell and Vista road. Comment
  RSA743825  Lasthenia coronaria Sarah J. De Groot, J. Mark Porter 2005-3-9 4772 Riverside Whitewater Canyon, several miles north of I-10. 591 Comment
  POM13209  Lasthenia gracilis P. A. Munz, I. M. Johnston 1920-5-20 5452 Riverside Hemet Valley, San Jacinto Mts 1372 Comment
  UCR92704  Lasthenia gracilis A. C. Sanders, S. Hawkins 1996-4-24 18078 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  UCR35017  Lathyrus vestitus subsp. alefeldii L. B. Ziegler 1967-6-27 182 Riverside San Jacinto Mtns, Hemet Valley 1585 Comment
  SD129329  Lathyrus vestitus var. alefeldii Steve Meyers 1990-3-21 Riverside Santa Rosa Plateau Area; along Gatos Road 0.5 miles south of Buena Vista Road (2 miles west of sandia Canyon & 0.1 mile north of San Diego county line) 366 Comment
  SDSU12885  Lathyrus vestitus var. alefeldii J. Jill Steinberg with Janet Knotts 1998-4-22 48 Riverside On south side of foot trail, approximately 60 feet east of stream at top of gully, about 1/2 mile northwest of Santa Margarita (SDSU) Field Station trailer, north of Santa Margarita River. 354 Comment
  UCR137706  Lathyrus vestitus var. alefeldii D. L. Banks 1997-3-16 1549 Riverside NW Palomar Mountains, Agua Tibia Mountains, N face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound 567 Comment
  UC15340  Lathyrus vestitus var. vestitus H. M. Hall Jul 1901 2308 Riverside s side San Jacinto Mountains 1828 Comment
  CHSC108889  Layia glandulosa Orlando Mistretta; D Bell, J England, J Hall, C McDonald, L 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); between N34.00456, W116.67238 and N33.99629 and W116.66010. 750 Comment
  PASA2318  Layia platyglossa Frank W. Peirson 1919-4-15 Riverside Whitewater Grade near Cabazon 548 Comment
  UC62907  Layia platyglossa H. M. Hall 1902-4-21 2935 Riverside vicinity Riverside 487 Comment
  UC828958  Layia platyglossa Munz and Johnston 1922-5-19 5419 Riverside Hemet Valley; San Jacinto Mountains 1402 Comment
  UCR228249  Layia platyglossa A. C. Sanders, T. B. Salvato 2011-4-1 38933 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
  CLARK-A1656-836  Layia platyglossa subsp. campestris Lois Ann Scott 1978-4-11 Riverside San Gorgonio Pass Comment
  POM4829  Layia platyglossa subsp. campestris Robinson, Crocker 1916-4-3 s.n. Riverside Elsinore region. Comment
  UCR34906  Layia platyglossa subsp. campestris L. B. Ziegler 1967-2-20 109 Riverside San Jacinto Valley, N of Lakeview 457 Comment
  UCR193544  Layia ziegleri A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35614 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mile SW of Fleming Ranch, along dirt track 1555 Comment
  UCR213682  Layia ziegleri Justin M. Wood 2009-5-11 692 Riverside San Jacinto Mountains, Garner Valley, Quinn Flat area 1396 Comment
  UCR266822  Lemna minor D. E. Bramlet 2005-7-13 3897 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, east of old San Jacinto River channel, margin of flooded ponds 433 Comment
  UCR95225  Lemna valdiviana D. L. Banks, E. H. Banks 1996-5-2 945 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
  GMDRC3750  Lepidium fremontii var. fremontii J. Andre, T. La Doux 2009-3-1 11247 Riverside Little San Bernardino Mountains: Joshua Tree Natl. Park: south end of the Cottonwood Mtns near Pinkham Wash just N. of aquaduct just inside JTNP boundary, approx 7 mi. W. of S. entrance into park at Cottonwood. USGS 7.5 min. Quad: Cottonwood Basin 33 deg. 40.948' N 115 deg. 52.141' W. Elev. 1778 ft. 542 Comment
  UCR239906  Lepidium lasiocarpum O. F. Clarke 2004-4-16 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, North Loop Trail near Two Trees Canyon 701 Comment
  UC494748  Lepidium lasiocarpum var. lasiocarpum Philip A. Munz and C. L. Hitchcock 1932-4-9 12227 Riverside White Tanks, e Riverside County White Tanks Comment
  UCR233160A  Lepidium lasiocarpum var. lasiocarpum Jim Andre, Glenn L. Clifton 2011-2-22 17451 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCR116378  Lepidium strictum A. C. Sanders 2001-3-17 23832 Riverside Upper Santa Ana River Basin, Riverside, Reid Park on Orange St. in the northern part of town, east of North Main St. 253 Comment
  GMDRC6568  Lepidium virginicum var. menziesii J. M. Andre 2012-6-15 30524 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
  SD181638  Lepidium virginicum var. pubescens Scott D. White, Bill La Haye 2000-5-27 7951 Riverside San Jacinto Mountains. Baldy Mountain area. 1616 Comment
  POM113965  Lepidium virginicum var. robinsonii Marcus E. Jones 1926-3-10 s.n. Riverside Santa Ana Canyon Comment
  RSA613889  Lepidium virginicum var. robinsonii A. C. Sanders 1997-3-1 19715 Riverside Box Springs Mtns.: Coyote Hill (Bench Mark ''Versity'', 1386 ft.) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  RSA770302  Lepidospartum squamatum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4483 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  RSA522109  Leptochloa fusca subsp. uninervia Steve Boyd, Timothy S. Ross 1989-8-28 3802 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  RSA723302  Leptochloa fusca subsp. uninervia P. M. Peterson, D. R. Peterson 1988-8-24 4989 Riverside Batista Canyon Wash, entering San Jacinto River (Wash), Just N. of Cedar & Mountain, NE end of Hemet Comment
  HSC82843  Leptochloa panicea subsp. brachiata A. C. Sanders 1985-8-24 5947 Riverside In the lower Coachella Valley, near Oasis, 0.4 mi. E of Hwy. 195, along the S side of drain flowing towards the Salton Sea. Comment
  UCR92237  Leptochloa uninervia Scott D. White, S. Ogg 1994-10-17 2477 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  HSC86132  Leptosiphon ciliatus B. Freeman 1969-6-13 6906131 Riverside San Jacinto Mtns., James Reserve Comment
  UCSB32959  Leptosiphon lemmonii Patterson, R.; Howald, Ann 1978-4-7 Riverside Calif. Hwy. 71, ca. 8 mi. S of junction w/ Ontario Ave. 400 Comment
  POM65218  Leptosiphon liniflorus George F. Reinhardt 1897-06 11550 Riverside San Jacinto Mts. Comment
  RSA356650  Leptosiphon liniflorus R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47303 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro: E side of Mesa 609 Comment
  SD152785  Leptosiphon parviflorus Steve Boyd, Orlando Mistretta 1992-4-23 7070 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  RSA429762  Lesquerella kingii subsp. latifolia E. C. Jaeger 1922-4-1 718 Riverside Chuckwalla Bench, Colorado Desert 366 Comment
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May 29 2011
  RSA596157  Lessingia glandulifera var. glandulifera D. L. Banks 1996-11-7 1218 A Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; On the main road in the Reservation., 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  RSA123479  Leymus triticoides H. S. Yates 1937-6-27 6718 Riverside Near Hemet Reservoir. 1341 Comment
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Nov 26 2008
  UCR260894  Ligustrum japonicum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41526 Riverside Moreno Valley, south side of Allesandro Blvd. west of Graham St., north of Brodiaea Ave. 488 Comment
  SEINET10501653  Lilaea scilloides Robert F. Thorne 1974-5-23 Thorne 44658 Riverside Santa rosa plateau, rancho california: near junction of tenaja road and road to Ranch headquarters in cold, clear water of small stream, with ranunculus Aquatilis, marsilea mucronata, eleocharis montevidensis parishii, potamogeton Foliosus, callitriche heterophylla bolanderi, etc. 610 Comment
  UC1329876  Linanthus aureus James E. Cole 1941-4-15 594 Riverside Pleasant Valley Joshua Tree National Monument 762 Comment
  CAS-BOT-BC225699  Linanthus californicus G. D. Hanna; M. M. Hanna 1958-2-16 s.n. Riverside Cabazon Comment
  RSA287066  Linanthus californicus S. Carlquist 1981-4-11 15645 Riverside Ortega Hwy - 74, 2 miles south of Lake Elsinore Comment
  UC916688  Linanthus dianthiflorus Frank W. Gould 1944-4-4 2217 Riverside 10 mi se Temecula (on Highway 71) Comment
  RSA522762  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, L. Arnseth, T. S. Ross 1990-3-29 3869 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
  RSA560843  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, T. S. Ross 1992-5-4 7179 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UCR41530  Linanthus jonesii A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6108 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA646295  Linanthus lemmonii Orlando Mistretta, Mark Elvin 1995-6-19 1776 Riverside Highway 74. 1418 Comment
  SEINET7072844  Linanthus lemmonii A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. Coordinate datum: WGS84/NAD83. (33? deg. 32' 25" North Latitude, -116? deg. 45' 8" West Longitude, Coordinate datum: NAD27.). Comment
  UC718500  Linanthus lemmonii Carl B. Wolf 1937-4-5 Riverside 1 mi w Whitewater; San Gorgonio Pass 365 Comment
  UCR101468  Linanthus liniflorus A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22216 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Middle Branch of Millard Canyon 1341 Comment
  CLARK-A1528-5712  Linanthus liniflorus subsp. pharnaceoides John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1066 Comment
  UCR35059  Linanthus liniflorus subsp. pharnaceoides L. B. Ziegler 1967-9-6 239 Riverside San Jacinto Mtns, Hemet Valley (=Garner Valley), Quinn Flats region 1375 Comment
  UC23767  Linanthus parviflorus H. M. Hall 1896-4-3 272 Riverside near Riverside Comment
  SEINET2445412  Linaria canadensis Daphne K. Christopher, Hannah Stevens 2003-4-3 77 Riverside Uc Riverside, Motte Rimrock Reserve. Off Hairstreak Trail. 536 Comment
  POM307240  Linum lewisii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2108 Riverside Santa Rosa Mountains. Comment
  UCR208951  Linum usitatissimum N. C. Cooper 1944-5-6 1207 Riverside San Bernardino Mtns., Whitewater Canyon 457 Comment
  RSA92551  Lithophragma affine subsp. mixtum J. C. Roos, L. Roos 1954-4-17 6067 Riverside Canyon SE of summit of Reche Canyon. 686 Comment
  RSA612964  Loeflingia squarrosa D. L. Banks 1997-3-29 1633 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
  RSA586107  Loeflingia squarrosa var. squarrosa D. L. Banks, Steve Boyd 1995-4-5 0147 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, W of the Dripping Springs Trail, on alluvial terraces of the W fork of Arroyo Seco. 3 573 Comment
  SBBG5940  Loeseliastrum schottii H. and M. Dearing 1937-4-10 1355 Riverside 16 mi N of Indio Comment
  UC1022808  Logfia depressa Philip A. Munz 1940-3-23 15688 Riverside n end Pinto Basin; Southern California, Mohave Desert 609 Comment
  UC32051  Logfia depressa W. G. Wright 1889-1 Riverside Colorado Desert Comment
  UCR84846  Logfia filaginoides A. C. Sanders, Karin Cleary-Rose, Denise Woodard 1995-3-15 16127 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCR54309  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  UCR89827  Lolium perenne Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) andc. 0.25 mi south of the San Jacinto River 430 Comment
  UCR160325  Lomatium lucidum Steve Boyd, Orlando Mistretta 1992-4-22 7004 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  UCR120924  Lonicera interrupta A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24924 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  JEPS24961  Lonicera subspicata var. denudata H. M. Hall July 1901 2529 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  CLARK-A1528-384  Lonicera subspicata var. johnstonii Charlotte Stocks 1962-5-16 Riverside Bautista Canyon Comment
  UCR199738  Lotus corniculatus Scott D. White, Justin Wood 2008-6-24 12290 Riverside Beaumont Badlands, San Timoteo Canyon, meadow along San Timoteo Creek 671 Comment
  UCR201415  Lotus corniculatus Justin M. Wood, Brandy N. Ulrich 2008-7-14 17 Riverside San Jacinto Mountains, Garner Valley, near intersection of Fobes Ranch Road and Hwy 74 1360 Comment
  UC15552  Lotus crassifolius var. crassifolius H. M. Hall 1898-7-1 967 Riverside San Jacinto Mountains 1828 Comment
  RSA406139  Lotus grandiflorus var. grandiflorus N. C. Cooper 1944-5-21 1250 Riverside San Jacinto Mtns. West Side. 1220 Comment
  JOTR29600  Lotus heermannii var. heermannii Andre, Jim 2006-4-26 6757 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  CLARK-A1656-715  Lotus rigidus unknown 1981-3-14 Riverside Coachella Valley Comment
  JEPS55816  Lotus rigidus Marjorie Clary 1931-4-4 49 Riverside Devils Canyon Comment
  JOTR32152  Lotus rigidus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2307 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  RSA450112  Lotus rigidus J. C. Roos 1966-2-12 s.n. Riverside Chuckwalla Mtns., 2.5 miles SE of Desert Center Comment
  RSA498792  Lotus rigidus Jack Rempel 1934-3-3 s.n. Riverside Berdoo Canyon, Little San Bernardino Mts. 671 Comment
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Aug 5 2015
  RSA0018564  Lotus rigidus Keith E. Hoffmaster 1937-6-6 808 Riverside San Jacinto Mtns: along Palms to Pines highway. 610 Comment
  UCR280995  Lotus salsuginosus Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 55 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  RSA0020377  Lotus scoparius Duncan S. Bell, Keir Morse 2013-3-30 4665 Riverside A small hidden spring in an unnamed canyon to the east of Snow Canyon, about 1.8 air miles southwest of Windy Point. 482 Comment
  OBI79201  Lotus strigosus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37858 Riverside Peninsular Range: southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St. (Alberhill 7.5' Q) S-facing canyon slopes above stream; decomposed granite with coastal sage scrub cover 482 Comment
  RSA522082  Lotus strigosus Steve Boyd, T. S. Ross, Kyle Boyd 1989-6-24 3748 Riverside Vail Lake area, near summit of 'Little Oak' Mtn. along road. 627 Comment
  RSA614128  Lotus strigosus D. L. Banks 1997-2-23 1295 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  RSA757799  Lotus strigosus LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4288 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
  UCR171907  Lotus strigosus John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  UCR214281  Lotus strigosus var. tomentellus A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37469 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
  UCR47240  Lotus tomentellus B. G. Pitzer, L. F. LaPre 1987-3-2 0437 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  POM158200  Lotus unifoliolatus P. A. Munz 1928-9-6 11283 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  RSA549250  Ludwigia repens var. stipitata A. C. Sanders, O. F. Clarke 1991-10-5 11747 Riverside Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake. Comment
  CAS-BOT-BC428033  Lupinus L. Nye; G. Gust 2005-3-11 71 Riverside Marietta [Murrieta]. BM 2228 ca. 5 miles W of Murrieta. 471 Comment
  SD8500  Lupinus albifrons var. albifrons Daniel Cleveland 1888-3-22 Riverside Temecula Comment
  RSA727086  Lupinus arizonicus Naomi S. Fraga, Lisa Rojas 2005-2-10 1371 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR142844  Lupinus arizonicus I. M. Johnston 1917-4-4 s.n. Riverside Sonoran (Colorado) Desert, near Palm Springs 183 Comment
  UCR166873  Lupinus arizonicus Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  UCR25912  Lupinus arizonicus John C. Roos 1948-5-15 3847 Riverside Sonoran (Colorado) Desert, Eagle Mountains, upper Lost Palms Canyon 1037 Comment
  RSA757746  Lupinus bicolor LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4348 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
  RSA776232  Lupinus bicolor Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 872 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 762 Comment
  UCR96867  Lupinus bicolor Scott D. White 1993-3-12 1148 Riverside Perris-Aguanga Basin Region, near Winchester; Old Salt Creek Channel, between new flood control channel and Patton Ave 445 Comment
  UCSB17125  Lupinus bicolor Cummings, R. 1963-5-5 Riverside 1.3 mi. S of Hurkey Creek Campground, on Calif. Highway 74 1341 Comment
  UCSB37850  Lupinus bicolor Sanders, A. 1980-7-18 Riverside Garner Valley; near the junction of the Thomas Mtn. Rd. with Hwy. 74; about 1 mile SE. of the head of Hemet Lake; T 6S, R 3E, SW1/4 of SW1/4 sec. 10 1341 Comment
  RSA413470  Lupinus concinnus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UC668418  Lupinus concinnus Annie M. Alexander and Louise Kellogg 1941-5-15 2180 Riverside n base Eagle Mountains; Colorado Desert, n base of Eagle Mountains 914 Comment
  RSA407150  Lupinus concinnus subsp. orcuttii Christopher Davidson, B. Gustafson 1977-4-7 5585 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
  OBI42759  Lupinus excubitus Melody Lardner 1981-5-19 188 Riverside Collected in the Main St Cyn in the Santa Ana Mts, 3.5 mi S of Hwy 91 at the end of Main St 427 Comment
  SD181515  Lupinus excubitus Scott D. White, Sandy Leatherman 2000-5-31 7980 Riverside Santa ana Mountains/Santa Rosa Plateau, near Squaw Mountain, series of unpaved roads on east- and north-facing slopes; Wildomar [quad]. 640 Comment
  CAS-BOT-BC205388  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
  UCR23945  Lupinus formosus John C. Roos 1943-5-23 2664 Riverside S Mojave Desert, Little San Bernardino Mtns 1524 Comment
  UCR162875  Lupinus hirsutissimus T. B. Salvato, Kelly Volansky 2003-3-27 131 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  POM11373  Lupinus hyacinthinus Philip A. Munz 1922-9-7 6410 Riverside Tamarack Valley 3049 Comment
  SD63731  Lupinus hyacinthinus Peta Mudie 1965-7-5 498 Riverside SW slope on north side of Santa Rosa Mountain above National Forest Campground 2000 Comment
  UCR125289  Lupinus microcarpus A. C. Sanders 2002-11-21 25642 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  POM11283  Lupinus polyphyllus var. burkei Philip A. Munz 1922-7-6 5979 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  RSA0125291  Lupinus sparsiflorus Duncan S. Bell 2016-3-3 8777 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3.5 air miles east northeast of Kitching Peak. 820 Comment
  UCR113169  Lupinus sparsiflorus A. C. Sanders 1998-2-19 21651 Riverside San Bernardino Mountains, mouth of Hathaway Canyon, Morongo Indian Reservation, east of Banning 793 Comment
  UCR117077  Lupinus sparsiflorus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23961 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  RSA414261  Lupinus sparsiflorus subsp. sparsiflorus Ora M. Clark 1929-3-2 1594 Riverside Near Alberhill Comment
  SEINET10490965  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne 1983-4-23 Thorne 55442 Riverside San bernardino mts. Mouth of whitewater canyon, e of whitewater post office at South end of ridge, in sandy wash e of bridge, and on base of west-facing slope Of ridge. Bluish-flowered annual growing on talus slope e of bridge. 411 Comment
  RSA33504  Lupinus truncatus N. C. Cooper 1944-4-8 1083 Riverside Andreas Canyon. 305 Comment
  SD137763  Lupinus truncatus Darin L. Banks, Steve Boyd 1995-3-30 122 Riverside Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, west of the Dripping Springs Alcove, east of the Woodchuck Trail. 725 Comment
  UCR158729  Lupinus truncatus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30015 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
  GMDRC3546  Lycium andersonii J. Andre, T. La Doux 2009-2-25 10803 Riverside Chuckwalla Mountains: growing on rocky (granitic) north-facing slope, approx 0.5 mi. south of I-10 freeway at Eagle Mtn Rd exit, USGS 7.5 min. Quad: Desert Center 33 deg. 41.303' N 115 deg. 27.236' W. Elev. 1358 ft. 414 Comment
  POM179062  Lycium andersonii R. H. Peebles, H. F. Loomis 156 -C Riverside Monsen Canyon, Eagle Mts. Corollas Desert. Comment
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Nov 22 2011
  POM294824  Lycium andersonii Lyman D. Benson 1945-3-29 11630 Riverside Canyon on Palm Spring Rd. Little San Bernardino Mt 610 Comment
  RSA0108983  Lycium andersonii Duncan S. Bell, Amanda Bell 2012-1-29 3077 Riverside Arica Mountains; collecting in the center of the range, approximately 7 air miles southwest of the ghost town of Rice, or 2 air miles west of Priests Well. 438 Comment
  RSA49383  Lycium andersonii Philip A. Munz 1949-4-11 12999 Riverside Mojave Desert. Joshua Tree National Monument. Eastern end of Monument. 945 Comment
  RSA699028  Lycium andersonii J. R. Bruff 1927-11-26 29 Riverside Cottonwood Springs vicinity. Comment
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Jul 7 2012
  UCR139384  Lycium andersonii F. W. Peirson 1922-4-29 1084 Riverside Perris-Aguanga Region, Aguanga 610 Comment
  RSA7221  Lycium brevipes var. brevipes Carl B. Wolf 1932-10-13 4325 Riverside NE side of S.P.R.R. at Durmid on N.E. side of Salton Sea -61 Comment
  UC884602  Lycium cooperi I. W. Clokey 1935-4-17 6880 Riverside Cottonwood Springs Comment
  UCR89527  Lycium cooperi Bern Schwenn 1994-4-9 s.n. Riverside Southern Mojave Desert, Little San Bernardino Mtns, Joshua Tree National Monument [now National Park]: 'Hidden Gold' Canyon below the Hidden Gold Mine. In 3rd canyon on N side 1085 Comment
  JEPS12171  Lycium fremontii W. L. Jepson 1927-4-12 11644 Riverside Painted Canyon Colorado Desert, Mecca Hills 76 Comment
  UCR55266  Lythrum hyssopifolia L. F. LaPre 1988-7-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, at the begining of Oak Hill Trail, Nature Conservancy Preserve Comment
  POM48848  Machaeranthera asteroides Grout, S. Grout 1909-10-25 s.n. Riverside Riverside Comment
  SD137862  Madia exigua Darin L. Banks, Steve Boyd 1995-5-9 392 Riverside Cleveland National Forest, Agua Tibia W Area, North face Agua TibiaMountain,Dorland Mountain area, west Dripping Springs Alcove,WoodchuckCamp 700 Comment
  SD140083  Malacothamnus densiflorus Scott White 1993-4-22 1240 Riverside North Alberhill Ranch, in hills N of Walker Canyon Comment
  RSA95324  Malacothamnus densiflorus var. densiflorus F. W. Peirson 1926-5-2 6724 Riverside Grade north of Dripping Spring, Temecula River, southwestern Riverside Co. Comment
  CAS-BOT-BC345440  Malacothrix clevelandii Peter H. Raven 1958-5-17 12955 Riverside 7.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  POM362265  Malacothrix clevelandii N. C. Cooper 1944-5-21 1287 Riverside San Jacinto Mtns. West Side. 915 Comment
  RSA585791  Malacothrix clevelandii D. L. Banks, S. D. Boyd 1995-5-9 0418 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 710 Comment
  RSA613903  Malacothrix glabrata A. C. Sanders, P. Mackay, Tim C. Thomas, O. F. Clarke 1997-5-4 20642 Riverside San Jacinto Mtns: N side along hwy 243, 1.5 mile below Twin Pines Ranch Raod (McMullen Flat), N slope of peak 3740. 1067 Comment
  UCR133658  Malacothrix glabrata 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
  CAS-BOT-BC347895  Malacothrix saxatilis var. tenuifolia John Thomas Howell 1931-6-4 6643 Riverside Summit of Jackrabbit Trail Comment
  IRVC77  Malosma laurina L. Stilgenbauer 1965-4-25 s.n. Riverside Ortega Highway; above Elsinore. Santa Ana Mountains Comment
  UC1042990  Malosma laurina John and Lucille Roos 1954-7-10 6191 Riverside n. side Pigeon Pass; Box Springs Mts. 487 Comment
  RSA764877  Malvella leprosa Justin M. Wood 2010-9-8 2596 Riverside Beaumont Badlands: San Timoteo Canyon: Just SE of El Casco Substation along San Timoteo Creek. 640 Comment
  UCR275221  Malvella leprosa A. C. Sanders, Karen Kirtland 2016-9-23 42630 Riverside San Jacinto Valley, edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd. between Jack Rabbit Tr. and Eden Hot Springs Rd. 434 Comment
  UC1537624  Marah macrocarpa Gordon H. True Jr. 1935-3-1 38 Riverside Gavilan Hills 548 Comment
  RSA28049  Marina parryi I. L. Wiggins 1941-3-27 9672 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  SBBG93044  Marina parryi A. C. Sanders 1989-9-19 9505 Riverside 1.75 km (airline) S of Tabaseca Tank, along the wash above "Tabaseca Target"; Chocolate Mtns Aerial Gunnery Range 680 Comment
  RSA85840  Marsilea vestita F. W. Peirson 1922-4-29 2937 Riverside mud flat south of Lake Elsinore Comment
  UCR213837  Matricaria discoidea Scott D. White, Justin M. Wood 2009-5-21 12854 Riverside San Jacinto Mountains, Garner Valley, near abandoned duck ponds, south of Quinn Flat 1366 Comment
  RSA714659  Matricaria occidentalis A. C. Sanders, Guy Bruyea 2004-4-2 27420 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtn., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  SEINET7882514 Image available Matricaria suaveolens Jean Coulson 1959-1 s.n. Riverside Riverside; Canyon Crest Blvd., 100 yds S. of Liden 0 Comment
  RSA559433  Meconella denticulata Steve Boyd 1992-4-15 6859 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  UCR91862  Medicago lupulina A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18115 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  POM348041  Medicago polymorpha Richard C. Barkelew, Mark Morris 1929-3-10 s.n. Riverside Indian Canyon , San Jacinto Mts Comment
  RSA612938  Medicago polymorpha D. L. Banks 1997-3-29 1639 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The area along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside / San Diego County line border. 402 Comment
  RSA335019  Medicago sativa Steve D. Boyd 1985-7-23 1007 Riverside De Luz Rd., 5.5 miles west of Rancho California. 396 Comment
  LA102206  Melica frutescens John C. Roos; 1965-6-13 sn Riverside W base of San Jacinto Mountains, E of Hemet (Probably on Highway 74) Comment
  RSA97127  Melica frutescens H. K. Buechner 1955-5-30 C- 86 Riverside 4 miles south of Palm Desert, north base of Santa Rosa Mountains Comment
  CAS-BOT-BC281416  Melica imperfecta Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  RSA179494  Melica imperfecta E. W. Lathrop 1959-5-29 4592 Riverside 14 miles W of Murrieta; Tenaja Canyon in the Cleveland National forest Comment
  RSA484228B  Melica imperfecta Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  RSA716373  Melica imperfecta Scott D. White 2006-4-27 11291 Riverside Santa Rosa Hills, S. of Hemet. 549 Comment
  SD232149  Melica imperfecta Scott D. White, Michael Honer 2003-4-4 8927 Riverside Temescal Canyon, dissected bajada bench, below east of Horsethief canyon, immediately S of I-15 Freeway 111 Comment
  RSA500170  Melilotus albus Steve Boyd, Orlando Mistretta, Walter Wisura 1989-5-30 3657 Riverside Vail Lake area, disturbed area at base of dam, head of Temecula Creek Cyn. 457 Comment
  RSA651057  Melilotus indicus Margaret Murphy 1983-5-21 0038 -D Riverside located in the north section fo parsel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  CAS-BOT-BC223710  Mentzelia K. Larson 1977-5-12 2286 Riverside Wiley Wells Road ca. 20 mi. W. Blythe Comment
  RSA0107459  Mentzelia albicaulis Duncan S. Bell, Amanda Turek 2009-3-29 148 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  RSA763172  Mentzelia dispersa Scott D. White, Justin M. Wood 2009-5-22 12899 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  RSA0106761  Mentzelia involucrata Duncan S. Bell, Amanda Turek 2009-3-29 140 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; large narrow canyon to the west of Priest Mine. 420 Comment
  RSA517824  Mentzelia involucrata Steve Boyd, Orlando Mistretta 1986-3-13 1442 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA717446  Mentzelia involucrata Scott D. White, Pam DeVries 2006-3-14 11258 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  RSA550272  Mentzelia involucrata var. megalantha Walter Wisura, John Dolan, M. Wall 1992-3-24 4624 Riverside 7.7 mi NE of Mecca on Box Canyon Rd. Comment
  JEPS20787  Mentzelia longiloba Roxana S. Ferris and Rimo Bacigalupi March 19-25, 1958 13231 Riverside 2.4 mi S of Rice, on road to Midland and Blythe. Comment
  SBBG4879  Mentzelia nitens H. and M. Dearing 1949-4-16 6749 Riverside Cottonwood Spring Comment
  UCR91562  Mentzelia obscura A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6074 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  JOTR35485  Mentzelia veatchiana La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3173 Riverside Joshua Tree National Park. Little San Bernardino Mtns, below Lower Covington Flats, W of Smithwater Canyon,(Biodiversity Hunt stop1) 1341 Comment
  RSA192016  Mentzelia veatchiana E. W. Lathrop 1959-4-16 4446 Riverside 14 miles W of Murrieta, Tenaja plateau. Comment
  UC1929951  Mentzelia veatchiana Scott D. White, Justin Wood 2008-6-16 12133 Riverside San Jacinto Mountains: Meadow at Quinn Flat. Comment
  CAS-BOT-BC332725  Mercurialis annua O. F. Clarke 2011-4-10 s.n. Riverside Peninsular Range: Riverside. O.F. Clarke residence, 266 Frost Court, east edge of UCR campus 365 Comment
  UCR89821  Mesembryanthemum nodiflorum Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  UCR104969  Microseris douglasii subsp. platycarpha D. E. Bramlet 1993-5-5 2339 Riverside In a tributary to Olsen Canyon, 366m east of the El Sobrante landfill and 610 m north of Dawson Canyon. The site is some 91 m north of the existing NE-SW access road to the Black Rocks region 415 Comment
  POM158061  Microseris lindleyi A. M. Alexander, Louise Kellogg 1941-5-3 2106 Riverside 13 miles SW of 29 Palms, Joshua Tree National Monument. 1372 Comment
  RSA85115  Microseris lindleyi J. C. Roos 1952-4-30 5610 Riverside Between Camp Haan and Riverside 534 Comment
  UCR213301  Microseris lindleyi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37706 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  UCR97746  Microseris lindleyi B. G. Pitzer 1997-4-1 3058 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  RSA0018784  Mimetanthe pilosa Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  SDSU10755  Mimulus aurantiacus W. E. Rehlaender 1983-4-22 31 Riverside NE rim of Sycamore Canyon, about 1 mile SW of Hwy 60 and 2.5 miles SSE of UCR Campus. Comment
  POM8005  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2285 Riverside Butte west of Lakeview. 610 Comment
  UC729965  Mimulus aurantiacus var. pubescens Carl B. Wolf 1932-5-24 3657 Riverside 1 mi above Fish Hatchery (n base of mts.); San Jacinto Mts., Snow Creek Canyon 792 Comment
  UCR37482  Mimulus aurantiacus var. pubescens Steve Boyd 1981-3-2 s.n. Riverside Gavilan Hills, Dawson Canyon. About 1 mi downstream from narrows Comment
  RSA510032  Mimulus aurantiacus var. puniceus B. Pitzer, E. Misqez 1988-2-28 632 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  RSA703474  Mimulus bigelovii var. bigelovii LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1417 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  SFV17320  Mimulus bigelovii var. bigelovii J. N. Hogue, J. D. Dilley (265) 1998-4-23 108 .3 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  UCD96046  Mimulus bigelovii var. cuspidatus Dena Grossenbacher; Brian Green 2008-4-21 798 Riverside Along Lost Palms Oasis Trail starting about one mile from the trail head and continuing towards the palm oasis for about one mile. 1047 Comment
  RSA527878  Mimulus brevipes Scott D. White 1991-5-10 91 -156 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  UCR114336  Mimulus brevipes Mitch Provance 2000-5-5 2012 Riverside Riverside, Box Springs Mtns., canyon c. 0.5 mi. NE of peak 2553 and c. 0.5 mi. SW of the old landfill off Pigeon Pass Rd. 488 Comment
  RSA407719  Mimulus clevelandii Steve Boyd 1986-4-22 1757 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  NY90708  Mimulus diffusus W. L. Jepson 1961-5-29 1959 Riverside Palomar Comment
  JEPS11071  Mimulus floribundus W. L. Jepson 1901-5-22 1388 Riverside near Vandeventer Flat (upper part of Palm Canyon); Santa Rosa Mts. Comment
  UC26925  Mimulus floribundus H. M. Hall June, 1901 2202 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  HSC85260  Mimulus fremontii Steve Boyd 1986-4-22 1751 Riverside Stable alluvial benches of Indian Wash just S of Interstate Hwy 15 Comment
  LA209402  Mimulus guttatus Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  POM1  Mimulus guttatus C. F. Baker 1904-4-5 4142 Riverside Hemet Comment
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Mar 24 2011
  UCSB46712  Mimulus guttatus Reimer, Neil 1977-4-15 Riverside 1 mile S Cajalco Rd; on Santa Rosa Rd Comment
  UCR4094  Mimulus palmeri Carole Sims 1965-5-1 s.n. Riverside San Jacinto Mtns, c. 3 mi from Mountain Center on highway down to Hemet, on rise across highway from marked turnout on right side (facing downhill) 1098 Comment
  JOTR34166  Mimulus parishii Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 123 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Pinyon Well; Riparian area near small series of active springs and seeps (Stop 2) 1182 Comment
  JOTR31052  Mimulus pilosus La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2035 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
  RSA500994  Minuartia douglasii Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3113 Riverside Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 miles WSW of dam. 610 Comment
  UCR107707  Mirabilis californica A. C. Sanders 1997-3-1 19745 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
  UCR97468  Mirabilis californica A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19886 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  HSC47585  Mirabilis laevis var. crassifolia R. W. Spjut, C. E. Edson 1978-5-5 5014 Riverside W margins of Colorado Desert, along Hwy. 74 W of Palm Desert in San Jacinto Mtns. 915 Comment
  RSA0027987  Mirabilis laevis var. crassifolia Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca 1 mi SE of town on [of] Nuevo. 640 Comment
  CAS-BOT-BC434821  Mirabilis laevis var. retrorsa J. H. Thomas 1949-4-24 462 Riverside Between Cabazon and Whitewater near U. S. Highway # 99. Comment
  CAS-BOT-BC434827  Mirabilis laevis var. retrorsa Ynez Whilton Winblad 1937-4-23 s.n. Riverside Pines to Palms Highway, Mt. San Jacinto Comment
  POM204398  Mirabilis linearis F. M. Reed 1934-7-25 8895 Riverside Santa Fe RR right of way, North of Central Ave 244 Comment
  RSA464621  Mirabilis multiflora var. pubescens N. R. Zabriskie, W. M. Zabriskie 1972-3-30 500 Riverside west of Hwy 74, Santa Rosa Mountains 976 Comment
  SFV20157  Mirabilis multiflora var. pubescens J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-5 263 .4 Riverside Santa Rosa Mountains Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 0.7 miles from Highway 74. 1500 Comment
  CLARK-A1528-4223  Mohavea confertiflora John C. Roos 1958-3-29 Riverside Orocopia Mountains 304 Comment
  RSA408755  Mohavea confertiflora N. C. Cooper 1949-4-8 3300 Riverside Desert Center. 610 Comment
  RSA408759  Mohavea confertiflora Christopher Davidson 1979-4-4 7692 Riverside Orocopia Mts., lower end of Box Canyon on Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  UCR233166  Mohavea confertiflora Jim Andre, Glenn L. Clifton 2011-2-22 17445 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCR77714  Mollugo verticillata Steve Boyd, Et al 1991-6-14 6342 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  POM187414  Monardella lanceolata var. lanceolata L. Crutcher 1933-8-1 8 Riverside Camp Tahquitz, San Jacinto Mtns. Comment
  RSA210973  Monardella lanceolata var. lanceolata C. W. Tilforth 1969-7-24 214 Riverside About 4 miles east of County Hwy R-3 on Red Mountain Road, south of Hemet. Comment
  CAS-BOT-BC215455  Monardella linoides subsp. linoides Lewis S. Rose 1936-12-24 36812 Riverside Palms to Pines Highway, 24 mi. SW of Indio, San Jacinto Mts. 1066 Comment
  UC456089  Monardella macrantha subsp. hallii I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2438 Comment
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Jul 6 2009
  LA57207  Monardella nana Carl Epling; 1937-6-6 sn Riverside Palms to Pines Highway Comment
  LA96095  Monardella nana Elizabeth McClintock; 1941-7-10 91 Riverside San Jacinto Mountains, short distance from top of Suicide Rock Comment
  RSA125332  Monardella nana subsp. arida R. Weatherby 1949-6-6 643 Riverside Santa Rosa Mountain. 1982 Comment
  RSA651652  Monardella nana subsp. arida Elizabeth McClintock, H. Lewis 1941-6-29 75 Riverside Santa Rosa Mt. 4.5 miles above Pines to Palms Hwy, in canyon where stream crosses road. Comment
  SEINET10582213  Monardella nana subsp. nana A. Graff 1993-6-24 Graff 54 Riverside San Bernadino National Forest, Thomas Mtn. Go ca. 50 yds. past the former lookout tower site on Thomas Mtn. summit. Monardella nana is off the road, to the right ca. 75 yds. T6S,R3E,S29. Need USNFS permission to collect. Small, dense, population growing among the rocks in clearing, surrounded by Pinus ponderosa, Abies concolor, Calocedrus decurrens, Quercus chrysolepis, with Eriogonum fasciculatum, Lupinus sp., Gutierrezia sp., Galium andrewsii, Bromus sitchensis, Ribes roezlii. Mid-bloom. Comment
  RSA67396  Monardella nana subsp. tenuiflora Verne Grant, Alva Grant 1951-7-22 16105 Riverside Dark Canyon campsite, N of Idyllwild, San Jacinto Mts 1768 Comment
  RSA750290  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 98 Riverside Black Mt. 0.1 mile beyond turn off from Banning-Idyllwild road. Comment
  UC1499807  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 113 Riverside on slope s Strawberry Creek (w of saw mill at Domengonio Flats); San Jacinto Mts. Comment
  SD132294  Monardella robisonii K. Stolte 1979-9-4 Riverside Joshua Tree National Monument. Keys Ranch, Hidden Valley area. 100 meters SW of the National Parks Service trailer Comment
  CAS-BOT-BC349807  Monoptilon bellioides L. A. Greata 1905-4-1 405 Riverside Coachella Comment
  JEPS26555  Monoptilon bellioides Peter Kamb 1948-4-11 885 Riverside 5 mi e Garnet (Aqueduct Road); Coachella Valley 304 Comment
  RSA32426  Monoptilon bellioides N. C. Cooper 1944-3-25 1035 Riverside Morongo Pass. 457 Comment
  RSA701041  Monoptilon bellioides Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11285 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
  SFV4064  Monoptilon bellioides R. M. Beeles 1952-4-4 182 Riverside 2.15 miles west of junction of US Highway 60, US Highway 70, and US Highway 195. Comment
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Mar 26 2014
  UCR4008  Monoptilon bellioides Val Chase 1965-3-7 3 B Riverside Western Colorado Desert, 6 miles NW of Thousand Palms on the road to Hidden Springs Ranch to the west of the road in high parts of a rocky wash 244 Comment
  RSA777314  Muhlenbergia asperifolia Michael Wall 2010-9-9 592 Riverside Bautista Canyon east of Hemet; ca. 8 miles southeast of junction with Fairview Avenue, shaded narrow part of the canyon. 760 Comment
  POM48333  Muhlenbergia californica E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. alt. 1500 ft. 457 Comment
  CAS-BOT-BC267021  Muhlenbergia filiformis Ralph Hoffmann 1929-9-8 s.n. Riverside San Jacinto Mountain 1828 Comment
  UCR101442  Muhlenbergia microsperma A. C. Sanders 1997-3-19 20048 Riverside Lake Skinner area, lower S slopes of Bachelor Mtn., near old quarries 473 Comment
  UCR18068  Muhlenbergia microsperma Hap Ritter, Paul Mack 1976-10-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Valley Dunes. south of I-10 between Wiley Well Road and Graham Pass Road 152 Comment
  UCR19374  Muhlenbergia microsperma John C. Roos 1937-5-1 1406 Riverside La Sierra Campus of Loma Linda Univ. Comment
  JOTR32417  Muhlenbergia porteri Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 8 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  RSA403609  Muhlenbergia richardsonis Anstruther Davidson 1876-7-11 s.n. Riverside Top of Mount Jacinto Comment
  CAS-BOT-BC515559  Muilla maritima Mitch Provance 2000-4-8 2006 Riverside Jurupa Mountains, south extension of Rattlesnake Mountain, less than 100 meters west of peak 1739 518 Comment
  UCR209389  Muilla maritima Fred M. Roberts, Brenda McMillan 1998-3-31 5101 Riverside Paloma Valley, vicinity of Murreta, Ferndale Lane on hill top, 1.4 km southwest of the intersection of Briggs Road and Scott Road 480 Comment
  RSA621637  Myosurus minimus var. filiformis R. E. Riefner 1998-4-22 98 -294 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  SD181815  Myriopteris newberryi Scott D. White, Tasha La Doux 2000-4-20 7676 Riverside Gibbel Flat in the Santa Rosa Hills. 609 Comment
  RSA721839  Nama demissa J. R. Bruff 1928-4-2 100 Riverside Canyon 1 mile west of Morengo Comment
  JEPS1389  Nama demissa var. demissa W. L. Jepson 1928-4-23 12548 Riverside wash 2 1/2 mi below Cottonwood Spr. (Eagle Mts., Colorado Desert); Colorado Desert, Eagle Mts., below Cottonwood Spr. 487 Comment
  JOTR36448  Nama demissa var. demissa La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3418 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  RSA74713  Nama demissa var. deserti F. W. Peirson 1920-2-15 2315 Riverside Palm Springs, Tahquitz Camp. Comment
  SEINET244667  Nassella cernua A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-22 24985 Riverside The Badlands; upper Laborde Canyon, SW of Beaumount. 671 Comment
  UCR154380  Navarretia atractyloides A. C. Sanders, Mike Misenhelter 2005-6-15 30950 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
  UCR206020  Navarretia prostrata Diane Menuz 2009-5-14 495 Riverside Peninsular Ranges: Santa Ana Mountains, Santa Rosa Plateau. Western side of Mesa de Burro, in series of 4 vernal pools 609 Comment
  POM47790  Nemacaulis denudata var. gracilis Mary F. Spencer 1918-4-13 803 Riverside Palm Springs. 137 Comment
  UCR279329  Nemacladus A. C. Sanders, Jim Malusa 2017-3-23 42940 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
  UC126891 Image available Nemacladus rubescens H. M. Hall 1905-4-17 5819 Riverside e base Indio Mt.; Colorado Desert; Indio Mt., Colorado Desert, Riverside Co. 150 Comment
  UC668348  Nemacladus sigmoideus Annie M. Alexander and Louise Kellogg 1941-4-24 2076 Riverside gorge of Dry Morongo Creek (Morongo Valley); Morongo Valley 640 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
  POM3740  Nemophila menziesii Alice Eastwood 1904-4-4 4124 Riverside Elsinore, Riverside County. Comment
  SD247444  Nemophila menziesii T. B. Salvato, John Lovio 2013-3-19 7350 Riverside Perris-Aguanga Basin: Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive (Murrieta 7.5'Q) 390 Comment
  SD4046  Nemophila menziesii Edmund Jaeger 1925-5-10 Riverside Banning-Idyllwild Road, San Jacinto Mountains. 1219 Comment
  SEINET7073387  Nemophila menziesii A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR98180  Nemophila menziesii Scott D. White 1997-2-9 4670 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
  RSA770697  Nemophila menziesii var. menziesii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4803 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  UC64047  Nemophila spatulata H. M. Hall 1901-7 2406 Riverside in meadows or along creeks of Tamarack Valley, San Jacinto Mountains San Jacinto Mountains, Tamarack Valley 2804 Comment
  SD247515  Nicotiana attenuata A. C. Sanders, T. B. Salvato 2014-7-2 41178 Riverside Peninsular Range; San Jacinto Mountains: Fobes Canyon, c 1/2 mile south of Fobes Ranch along Fobes Ranch Road. (Palm View Peak 7.5'Q) 1555 Comment
  CHSC8439  Nicotiana clevelandii Edward L. Smith 1958-3-21 392 Riverside Little Santa Maria Mts. 6 mi s of Rice, near Priest's Well. 365 Comment
  SEINET3077687 Image available Nicotiana glauca Paul M. Estes 1962-3-3 005 Riverside In hills behind UCR campus. 335 Comment
  SEINET3224404  Nicotiana glauca G. Goodwin 2012-6-15 3458 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  UCR163341  Nicotiana glauca T. B. Salvato, Kelly Volansky 2003-3-27 129 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  RSA596161  Nicotiana glauca D. L. Banks 1996-11-7 1214 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church., On the main road in the Reservation, 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  SEINET7882515 Image available Nicotiana glauca Jean Coulson 1959-1 175 Riverside U.C.R. Campus, Riverside County, Calif. E. of garden behind Agricultural Extention Bldg. in rock out-crop. 1 Comment
  UCR139381  Nicotiana obtusifolia I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Palm Canyon 427 Comment
  UCR199831  Nicotiana obtusifolia Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11277 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
  RSA0060153  Nicotiana quadrivalvis Scott D. White, Angelia Carey 2004-7-2 10566 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR26306  Nolina bigelovii John C. Roos 1948-5-15 3852 Riverside Sonoran (Colorado) Desert, Eagle Mtns., Lost Palms Canyon Comment
  CAS-BOT-BC131886  Nolina parryi Philip A. Munz; P. C. Everett 1950-6-23 14919 Riverside 1.5 mi. s.e. of Kenworthy, on road toward [Coahuila] Cahuilla and Aguanga 1524 Comment
  UC63871  Nolina parryi H. M. Hall May 17 1901-Jun 1 1901 1819 Riverside se base San Jacinto Mt. 1402 Comment
  HSC961  Notholaena californica L. S. Rose 1966-12-13 66102 Riverside Palm Springs, Tahquitz Wash 183 Comment
  UCSB38719  Notholaena californica Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  UC1518875  Notholaena californica subsp. californica Fosberg, Sachet, & Herbst 1983-4-23 55467 Riverside 3.3 mi N in side canyon on W side of Whitewater Canyon Whitewater Postoffice; San Bernardino Mtns, Whitewater Canyon 594 Comment
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Feb 13 2013
  UCR142762  Notholaena parryi L. C. Wheeler 1933-12-2 2305 Riverside San Jacinto Mountains/ Sonoran (Colorado) Desert, mouth Tahquitz Canyon near Palm Springs 145 Comment
  OBI7134  Nymphaea alba Pam Wolf 1976-5-29 197 Riverside Pond at Fairmont Park 457 Comment
  UCR155047  Oenothera californica Jason L. Hlebakos 2005-5-30 822 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  POM355307  Oenothera californica subsp. californica Ora M. Clark 1929-4-6 1932 Riverside W. Riverside. Comment
  POM38728  Oenothera californica subsp. californica Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  UC1241187  Oenothera californica subsp. californica Peter H. Raven 1959-4-23 14021 Riverside 4.1 mi w Dripping Springs Comment
  POM355588  Oenothera deltoides subsp. deltoides A. Menke 1955-4-26 s.n. Riverside Indian Wells Comment
  UCR199726  Oenothera elata Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10675 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  UCR101206  Olea europaea D. L. Banks, Lauren Raz 1996-11-5 1157 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, south of San Gabriel Church; along a newly established firebreak along a NW-SE running ridgeline, near the water tank in section 34 421 Comment
  CAS-BOT-BC427460  Oligomeris linifolia H. M. Hall 1905-4-1 5775 Riverside Colorado Desert. Indian Well 0 Comment
  CAS-BOT-BC427465  Oligomeris linifolia E. A. McGregor 1917-3-19 799 Riverside Colorado Desert. Indio Sands near U. S. Date Garden Comment
  UCR110451  Oligomeris linifolia D. E. Bramlet, D. Bradney 1990-6-21 2043 Riverside Peninsular Range, Vail Lake peninsula, a portion of the ridgeline between Kolb and Temecula Creeks. The site is approximately 805m northwest of the marina and on the northeast edge of the peninsula. 476 Comment
  UCSB38667  Oligomeris linifolia Cowan, Clark 1978-4-24 Riverside Dry lake bed of Lake Cahuilla; 2.1 mi (3.3 km) off Ave 66 on a dirt road, 1.3 mi(2 km) on Ave 66 from Hwy 86; Whittaker transect #W-222 (voucher) Comment
  CLARK-A1656-697  Olneya tesota Lois Ann Scott 1979-5-16 Riverside Mecca 121 Comment
  SEINET15324998  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-1 24210 Riverside Perris-Aguanga region; Moreno Valley, along I-215 just south of the March Field Museum, 0.7 mi S of van Buren Blvd. (Riverside east 7.5' Quad) 465 Comment
  POM311521  Opuntia engelmannii var. engelmannii Lyman Benson 1963-6-20 16349 Riverside Wash at Cabazon. 488 Comment
  UCR112488  Opuntia microdasys A. C. Sanders, T. B. Salvato 2000-5-30 23438 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR133408  Opuntia parryi Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 326 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  POM20705  Opuntia polyacantha var. erinacea C. B. Wolf, Percy C. Everett 1938-9-29 9458 Riverside Desert slope of San Jacinto Range, Upper edge of Pinyon flat on the Palms to Pines Highway. 1220 Comment
  CAS-BOT-BC56908  Opuntia polyacantha var. hystricina C. B. Wolf; P. C. Everett 1938-9-29 19101 Riverside Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC502874  Orobanche cooperi subsp. latiloba Carl B. Wolf 1932-4-29 3113 Riverside Eastern Colorado Desert. Blythe--Rice Road, 4 mi S of Browns Well Comment
  RSA0081026  Orobanche fasciculata Philip A. Munz, I. M. Johnston 1922-5-21 5481 Riverside Kenworthy, San Jacinto Mts. 1432 Comment
  RSA402104  Orthocarpus purpurascens Bonnie C. Templeton 1930-4-9 1070 Riverside Moreno Grade, S.W. of Beaumont 700 Comment
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Mar 20 2011
  RSA606151  Oxytheca emarginata R. S. Woglum 1937-5-22 573 Riverside Santa Rosa Mountains. Comment
  RSA392815A  Oxytheca trilobata F. W. Peirson 1929-7-29 5020 Riverside Banning to Idyllwild Road 1768 Comment
  RSA519058  Oxytheca trilobata Chet McGaugh 1990-8-8 s.n. Riverside SW Dursano Valley, S of town of Anza. 1372 Comment
  RSA64894  Oxytheca trilobata F. W. Peirson 1922-5-21 5349 Riverside Hemet Valley, San Jacinto Mts 1372 Comment
  UCR201632  Oxytheca trilobata Scott D. White, Justin M. Wood 2008-6-16 12130 Riverside San Jacinto Mountains, Fobes Ranch Road north of Quinn Flat 1463 Comment
  POM202645  Paeonia californica Marcus E. Jones 1933-4-5 s.n. Riverside Hemet. Comment
  RSA793592  Palafoxia arida R. F. Thorne 1995-3-29 63035 Riverside White Water Canyon 600 Comment
  POM6184  Palafoxia arida var. arida George B. Grant 6748 Riverside Palm Springs. Comment
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Mar 1 2014
  UCR260887  Palafoxia arida var. arida A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41426 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
  UCR279543  Palafoxia arida var. arida A. C. Sanders, Jim Malusa 2017-3-27 43128 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Siphon 22 on the Coachella Canal, just inside Naval Aerial Gunnery Range boundary 23 Comment
  CAS-BOT-BC540738  Panicum dichotomiflorum subsp. dichotomiflorum Sarah J. De Groot; Amy Rouillard 2015-9-15 7568 B Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  POM366030  Panicum urvilleanum Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7808 Riverside West of Indio, 3 miles E of Date Palm Dr. 15 Comment
  UCR280615  Papaver heterophyllum Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 03 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  SEINET273060 Image available Parietaria hespera A. C. Sanders 1997-3-26 20104 Riverside Lake Skinner area;along foot trail at W base of Tucalota Hills. UTM 10km cell: MH-9E 1N. Skinner Reser. 518 Comment
  UCR202040  Parietaria hespera Denise Woodard, Gilbert Goodlet 1997-3-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  CAS-BOT-BC413395  Parietaria hespera var. hespera Walter W. Zabriskie 1973-2-21 124 Riverside Pipistrelle Canyon, Deep Canyon drainage, N slope Santa Rosa Mtns. 426 Comment
  POM123212  Parietaria hespera var. hespera Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UCR201016  Parkinsonia aculeata Scott D. White, Justin M. Wood 2008-9-17 12541 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks 448 Comment
  HSC47471  Parkinsonia florida Richard Spjut 1978-5-10 5040 Riverside Colorado Desert: Chuckawalla Valley, ca. 1 mi. S of Desert Center 305 Comment
  LA45743  Parkinsonia florida Carl Epling; March 1927 sn Riverside Indio Comment
  SBBG3284  Parkinsonia florida H. and M. Dearing 1941-4-9 4627 Riverside near Mecca Comment
  SD216479  Parkinsonia florida Carol R. Annable 1995-3-10 2262 Riverside 1.6 kilometers south of Lake Cahuilla County Park. Comment
  RSA0045572  Parosela emoryi Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs. Comment
  RSA698049  Parosela mollis J. Russell Bruff 1929-12-28 448 Riverside 1 mi. S.E of Dos Palmas. Comment
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Apr 28 2011
  RSA0054939  Parosela spinosa Keith E. Hoffmaster 1937-6-6 815 Riverside Palms to Pines Highway, desert end. Comment
  UCR197056  Parthenocissus vitacea A. C. Sanders, D. L. Sanders 2008-9-27 36104 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  CLARK-A1528-83  Paspalum dilatatum John C. Roos 1951-9-25 5262 Riverside Riverside 259 Comment
  CDA8446  Pectis papposa G. D. Barbe, J. L. Johnson 1982-11-2 4021 Riverside 0.6 mile west of Coon Hollow campground on Bradshaw Trail. 0 Comment
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Apr 11 2013
  POM308539  Pectis papposa Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3156 Riverside 20 miles E of Indio. Comment
  UCR34953  Pectis papposa L. B. Ziegler 1964-9-2 035 Riverside San Jacinto Mountains, Pinyon Flats 1311 Comment
  UCR58874  Pectis papposa J. M. Stewart 1989-10-17 619 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, c. 10 mi west of Wiley's Well 305 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
  UC1532788  Pectis papposa var. papposa Robert F. Thorne 1966-10-15 41795 Riverside at foot Palms to Pines Highway (near Palm Desert); Dead Indian Canyon Comment
  UCD134923  Pectis papposa var. papposa Lewis S. Rose 1961-11-24 61063 Riverside La Quinta. 15 Comment
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Aug 6 2016
  SD244099  Pectocarya A. C. Sanders, John F. Green 2013-3-27 40685 Riverside Peninsular Range: Alberhill, dirt track NE of new section of Nichols Road, south of Lake Street (Alberhill 7.5'Q) 433 Comment
  UCR241824  Pectocarya A. C. Sanders, Timothy W. Chumley 2013-4-3 40759 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
  RSA775798  Pectocarya heterocarpa Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 990 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  UCR134605  Pectocarya heterocarpa Marisa Sripracha, Kyle Boyd 2004-2-14 028 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  UCR159762  Pectocarya linearis Scott D. White 1999-5-2 7291 Riverside Peninsular Ranges: Perris-Aguanga Basin region, Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., c. 1.5 - 2 mi west of I-215 freeway 442 Comment
  UC1537389  Pectocarya linearis subsp. ferocula Gordon H. True Jr. 1935-2-22 15 Riverside Gavilan Hills 548 Comment
  RSA487530  Pectocarya penicillata Bill Wagner 1988-3-9 s.n. Riverside Grain field at Benton Rd. and San Diego aqueduct, 1/2 mile E of Winchester Rd., NE of Murrieta. 412 Comment
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Mar 20 2011
  UCD120161  Pectocarya penicillata C. L. Hitchcock; C. V. Muhlick 1962-3-16 22142 Riverside Temescal Canyon, 8 miles southeast of Corona. Comment
  UCR121207  Pectocarya penicillata D. E. Bramlet 1990-4-27 1993 Riverside Peninsular Range; Perris-Aguanga basin region, ridgeline south of Diamond Valley, NW of Crown Valley, 600 ft. west of access road 665 Comment
  UCR177824  Pectocarya penicillata S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., Reed Valley at beginning of powerline trail to Juan Diego Flats, NW of Cahuilla Mountain 1037 Comment
  SD126026  Pectocarya peninsularis F. R. Fosberg 1932-3-13 10629 Riverside Thousand Palms Canyon. Comment
  UCD120138  Pectocarya platycarpa LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1454 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. Near 33 deg. 37'32'N, 115 deg. 19'35'W: UTM 3721895N, 655238E to 33 deg. 36'52N, 115 deg. 19'54': UTM 3720669N, 654757E. 548 Comment
  HSC83070  Pectocarya recurvata A. C. Sanders, Pitzer, Charlton, Kniffen 1986-3-3 6122 Riverside Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the S 489 Comment
  UCR269875  Pectocarya recurvata A. C. Sanders, Jim Malusa 2016-3-18 42370 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  RSA552768  Pedicularis densiflora Steve D. Boyd 1992-3-31 6763 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  CHSC8341  Pellaea andromedifolia Edward L. Smith 1958-3-6 343 Riverside Located at Coldwater Canyon, Glen Ivy, sw side of Temescal Canyon Road, Temescal Mtns. 762 Comment
  IRVC3148  Pellaea mucronata Steve Gilbert 1965-4-23 HS 589 Riverside SE of Elsinore, Hwy 74. Peninsular Ranges Comment
  SBBG35016  Pellaea mucronata T. L. Secrest 1951-5-19 Riverside San Jacinto Mtns Comment
  RSA33822  Pellaea mucronata var. mucronata Norman C. Cooper 1944-3-25 1031 Riverside Cabazon 457 Comment
  CAS-BOT-BC258813  Pennisetum setaceum A. C. Sanders; P. MacKay 1994-10-23 15848 Riverside San Bernardino Mountains: Whitewater River Canyon, between the trout hatchery and Bonnie Bell 581 Comment
  UCR213767  Pennisetum setaceum Scott D. White, Justin M. Wood 2009-4-29 12619 Riverside Little San Bernardino Mountains, city of Desert Hot Springs, proposed development north of Pierson Blvd and east of Verbena Dr. Comment
  UCR52467  Pennisetum setaceum D. C. Hawks 1986-4-17 s.n. Riverside Sonoran (Colorado) Desert, Whitewater River Channel, 1 mi. south of Hwy I-10 and 2 mi. west of Indian Ave 259 Comment
  UCR241219  Penstemon X parishii Tracy Tennant, Mitch Provance 1998-6-16 MOR- 400 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  UCR139250  Penstemon californicus A. C. Sanders, Kate Kramer 2003-6-11 26880 Riverside San Jacinto Mtns., Garner Valley, foothills on the northeast side of the valley, near Morris Ranch Rd. c. 0.25 mi. NW of Kenworthy Ranger Station 1377 Comment
  CHSC1852  Penstemon centranthifolius L. Oliver; D. Sloan 1935-4-17 Riverside North Colorado desert. Comment
  RSA601102  Penstemon centranthifolius A. C. Sanders, J. Goetzen 1996-5-1 18137 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk., N of Banning. [UTM 10 km cell: NH-1E, 5N. Banning.] 792 Comment
  RSA683090  Penstemon centranthifolius Scott D. White, T. B. Salvato, L. V. DeMarco, Jessica Christian 2001-6-30 8662 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UCSB16963  Penstemon centranthifolius Feldmann, P. 1963-5-4 Riverside 5 mi. along road from Banning; on road from Banning to Idyllwild 1371 Comment
  CAS-BOT-BC265291  Penstemon clevelandii subsp. connatus Philip A. Munz 1937-5-30 15097 Riverside N of Vandeventer Flat, Santa Rosa Mountains 1676 Comment
  RSA336421  Penstemon clevelandii subsp. connatus Robert F. Thorne, Smida, Whittaker 1978-4-23 52077 Riverside Bighorn Lookout; Santa Rosa Mountains, along Palms to Pines Hwy Comment
  RSA44866  Penstemon eatonii J. C. Roos 1948-5-15 3839 Riverside Lost Palms Canyon, Eagle Mountains., Colorado Desert. Comment
  RSA408449  Penstemon grinnellii E. C. Jaeger 1923-6-21 s.n. Riverside Idyllwild 1616 Comment
  RSA412472B  Penstemon labrosus Albert J. Perkins 1916-9-20 s.n. Riverside Tahquitz Valley. Comment
  UCSB37908  Penstemon labrosus Sanders, A. 1980-7-18 Riverside Thomas Mountain; Thomas Mtn. campground to the summit at the lookout; T 6S, R 3E, W 1/2 sec. 28 2072 Comment
  JEPS11104  Penstemon rostriflorus Marjorie D. Clary 1932-7-4 968 Riverside 10 mi sw Kenworthy (Santa Rosa Mts.); , sw of Kenworthy 1371 Comment
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Nov 1 2011
  UC886850  Penstemon rostriflorus C. Epling, Wm. Robison 1935-6-30 Riverside North Fork San Jacinto River Comment
  POM361605  Pentachaeta aurea subsp. aurea M. B. Dunkle 1933-7-20 3714 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCSB62280  Pentagramma triangularis subsp. maxonii Keifer, L. 1963-3-23 Riverside San Jacinto Mtns., Tahquitz Cyn., ca. ; 1 1/2 miles above falls 457 Comment
  UCR148333  Peritoma arborea 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
  CAS-BOT-BC77487  Peritoma arborea var. angustata S. B. Parish 1916-5-13 10858 Riverside Cottonwood Spring, Colorado Desert Comment
  HSC29904  Perityle emoryi Richard Spjut 1972-2-1 2169 Riverside Colorado Desert: N base of Chuckawalla Mtns., ca. 3 mi. S of Desert Center 305 Comment
  POM122891  Perityle emoryi Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  RSA329552  Perityle emoryi Gary D. Wallace 1966-3-26 273 Riverside Indio Hills 70 Comment
  UCR72233  Perityle emoryi Theo Glenn 1991-5-24 91- 133 Riverside Sonoran (Colorado) Desert, Palen Mtns, NE of Desert Center 399 Comment
  RSA0021423  Perityle emoryi A. L. Haines 1973-3-25 s.n. Riverside Orocopia Mountains 473 Comment
  SDSU13613  Persicaria lapathifolia W. Miller, C. Mosse 1972-8-9 Riverside Comment
  RSA701155  Petalonyx thurberi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11257 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
  SD181450  Petalonyx thurberi Scott D. White 2001-4-27 8420 Riverside Colorado desert, Shavers Valley, near the I-10 Freeway, ca. 15 miles east of the Indio junction of I-10/SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station; Cottonwood Basin [quad]. 395 Comment
  SD255786  Petalonyx thurberi A. C. Sanders, Jim Malusa 2016-3-18 42386 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, along gasline road 15 km due north of Slab City/Camp Dunlap (Iris Pass 7.5'Q) 305 Comment
  JOTR32477  Petalonyx thurberi subsp. thurberi Herskovits, Tasya 2011-5-25 13 Riverside Joshua Tree National Park. Cottonwood Mountains; Pinto Basin road; Convergence of large, sandy, open southeast flowing wash and Cottonwood Canyon; Small rocky ledges and outcrops bordering wash (Stop 1) Comment
  CAS-BOT-BC326772  Peucephyllum schottii John Thomas Howell 1928-3-24 3532 Riverside Painted Canyon, Colorado Desert Comment
  JOTR29450  Peucephyllum schottii La Doux, Tasha, Mike Bell 2006-3-8 1348 Riverside Joshua Tree National Park. Eagle Mountains, south of Hayfield Spring 548 Comment
  LA203888  Peucephyllum schottii Martha Hilend; 1929-12-27 365 Riverside Shafer's Wells Comment
  RSA471975  Peucephyllum schottii M. B. Dunkle 1933-3-4 3069 Riverside Painted Canyon, Colorado Desert. 30 Comment
  SBBG27018  Peucephyllum schottii K. K. Muller 1967-3-21 1384 Riverside foothills of Orocopia Mtns, directly opposite S entrance of Joshua Tree Nat Monument Comment
  SD44850  Peucephyllum schottii Darley F. Howe 1952-4-5 2146 Riverside 12 miles south of highway east of Mecca along All American Canal Comment
  SEINET2054224 Image available Peucephyllum schottii A. C. Sanders, L. Lubinsky, A. Knapp, P. MacKay & C. L. Sanders 1995-2-12 15923 Riverside Colorado Desert, Coachella valley, outh of Fargo Canyon, Little San Bernardono Mtns., 1.2 mi abgove junction with Aqueduct Road. 365 Comment
  SEINET10801063  Peucephyllum schottii David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-13 Dunn 3700 Riverside Pushawalla; growing in the wash. Indio Hills, Colorado Desert. Comment
  RSA426005  Phacelia ambigua N. C. Cooper 1949-4-8 3258 Riverside Mecca Pass east of Indio 457 Comment
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Sep 7 2011
  RSA657245  Phacelia ambigua J. Mark Porter 2001-4-2 12344 Riverside Coachella Valley, Desert Hot Springs, S of Big Morongo Wash, along Indian Ave, just S of the jtn. with Pierson Avenue. 396 Comment
  RSA690984  Phacelia ambigua Scott D. White, Michael Honer 2003-5-14 9304 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UCR228172  Phacelia ambigua var. minutiflora Dave Silverman, Onkar Singh 2010-3-27 7864 Riverside Sonoran (Colorado) Desert, McCoy Wash, N of Palo Verde Mesa, 5.4 km W of Mesaville railroad siding, 10 km N of I-10, and 13 km NW of Blythe 140 Comment
  JEPS1554  Phacelia brachyloba Marjorie D. Clary 1932-7-3 985 Riverside Vandeventer to Pinyon Flats; Santa Rosa Mts. 1371 Comment
  RSA602245  Phacelia brachyloba R. S. Woglum 1937-5-22 551 Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
  RSA102328  Phacelia campanularia S. B. Parish, W. F. Parish 1882-04 216 Riverside Borders of the Colorado Desert, Whitewater. Comment
  RSA602426  Phacelia campanularia R. S. Woglum 1935-4-20 613 Riverside Sonoran Desert: Coachella Valley, Palm Springs.. . Comment
  UC217927  Phacelia campanularia subsp. campanularia P. A. Munz, D. Keck 1922-4-14 5003 Riverside mesa e Whitewater Ranch; Colo. Desert 213 Comment
  JOTR33993  Phacelia campanularia subsp. vasiformis La Doux, Tasha, M. Harding 2010-4-7 2881 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  POM178002  Phacelia campanularia subsp. vasiformis Marcus E. Jones 1930-3-15 26506 Riverside Eagle Mountains. Comment
  UC1087288  Phacelia cicutaria var. hispida E. K. Balls and P. C. Everett 1958-3-19 22873 Riverside hills 1 mi e Hwy. 17 to Elsinore 198 Comment
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Mar 1 2014
  CLARK-A1528-555  Phacelia crenulata Howard Towner 1965-4-3 6504037 Riverside North Palm Springs Comment
  RSA783488  Phacelia crenulata J. D. Olmsted 1958-3-29 80 Riverside Joshua Tree National Monument. Pinto Basin 15-20 mi north of junction between Cottonwood Pass and Cottonwood Spring Roads on the former, now become Pinto Basin Road just past Cholla Cactus Gardens. 762 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
  UCSB17617  Phacelia crenulata Hurst, Linda 1963-5-5 Riverside About 12 miles E of Pinyon Flats Campground on California Highway 74 1097 Comment
  RSA0043224  Phacelia crenulata var. ambigua Duncan S. Bell 2010-4-2 694 Riverside Arica Mountains: collecting along the ridgeline of the mountain range about 0.3 air mile north of the summit. 561 Comment
  RSA768757  Phacelia crenulata var. ambigua Jim Andre, Tasha La Doux 2010-2-28 12556 Riverside Lower Colorado River Valley; along Hwy 94 approx. 25 miles north of Blythe, on east side of Big Maria Mountains. 83 Comment
  UCR16830  Phacelia cryptantha Emily E. McGregor 1972-4-23 s.n. Riverside Badlands, along route 60, 3 mi. west of Jack Rabbit Trail Comment
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Jan 29 2007
  POM13317  Phacelia curvipes E. C. Jaeger 1920-4-12 s.n. Riverside Old Nicholas Canyon. Santa Rosa Mountains. Comment
  JOTR36004  Phacelia distans Andre, Jim 2012-4-16 20883 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  POM14355  Phacelia distans P. A. Munz, D. D. Keck 1922-4-9 4761 Riverside Shavers Well, near Mecca. 76 Comment
  RSA516422  Phacelia distans Walter Wisura, Bart O'Brien, T. Hayduk 1990-5-2 4429 Riverside Ortega Hwy. below switchbacks, near Lake Elsinor. Comment
  RSA716193  Phacelia distans Scott D. White, Angelia Carey 2004-4-5 10016 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR107788  Phacelia distans D. L. Banks 1997-5-5 1957 Riverside NW Palomar Mountains, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, c. 60 m east of its intersection with Pechanga Creek 396 Comment
  UCR194823  Phacelia distans Scott D. White 2006-4-27 11298 Riverside Perris Basin/San Jacinto Mtn Foothills, Santa Rosa Hills, south of Hemet 610 Comment
  JOTR01175  Phacelia distans Cole, James E. 1941-3-30 451 Riverside Joshua Tree National Park. PINTO BASIN 609 Comment
  JEPS2059  Phacelia fremontii Marjorie D. Clary 1932-4-29 861 Riverside Dead Indian Trail 15 mi w Indio; Colorado Desert, Conchilla Desert 304 Comment
  SD255773  Phacelia imbricata Mitch Provance 2012-5-24 512 06 Riverside San Bernardino Mountains; Banning, foothills and alluvial fan near bordeer with Beaumont, NE of the intersection of Highland Springs Ave. and Silson St. 868 Comment
  JOTR30257  Phacelia ivesiana Leary, C. and Leary, Pat 1979-5-6 3029 Riverside Joshua Tree National Park. ca. 1.0 mi S.E. of Quail Mtn., Joshua Tree N.M., T2S R7E sec 14 Comment
  HSC78991  Phacelia minor K. Berg 1981-5-1 353 Riverside San Jacinto Mtns. along Banning-Idyllwild Hwy. (243) below Mt. Eden Comment
  RSA617447  Phacelia minor B. Pitzer 1997-3-23 2948 Riverside Lakeview Mtns, ca. 1 air mile SSW of Mt. Rudolph, along powerline rd 0.3 mile E of Contour (Juniper Flats) Rd. 610 Comment
  SDSU13339  Phacelia minor C. Matt Guilliams 2000-4-29 10 Riverside Santa Margarita Ecological Reserve, 'Insect Trail'. 1.5 miles NE of Gavalin Mtn. 305 Comment
  UCR215519  Phacelia minor Daphne K. Christopher, Hannah I. Stevens 2003-4-4 087 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  UCR262259  Phacelia minor T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3726 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
  UCSB10391  Phacelia minor Wedberg, H. 1957-3-22 Riverside Hwy. 71, Alberhill Comment
  UC2061795  Phacelia neglecta Susan Fawcett, B. G. Baldwin 2017-5-14 766 Riverside Corn Springs, Chuckwalla Mountains. Comment
  UCSB19862  Phacelia parryi Eater, John 1966-3-18 Riverside State Highwya 74, 2.5 miles W of junction with Grand Ave., Elsinore Comment
  UC666586  Phacelia pedicellata Harlan Lewis and Carl Epling 1942-5-3 1601 Riverside Pines to Palms Hwy (CA 74) e Nightingale (at 3000 ft marker) 914 Comment
  RSA543879  Phalaris lemmonii Steve Boyd, D. Bramlet 1991-5-13 6241 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  CAS-BOT-BC250618  Phalaris minor John Thomas Howell 1960-3-24 35152 Riverside La Quinta Comment
  UCR281282  Phalaris minor Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 17 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  JEPS49608  Philadelphus microphyllus var. stramineus Frank W. Peirson 1924-7-27 4991 Riverside Dark Canyon, Mt. San Jacinto. 2286 Comment
  UC1132464  Phleum pratense H. S. Yates 1936-8-29 6379 Riverside near Pine Flat; San Jacinto Quad., near Pine Flat Comment
  UC56539  Phlox austromontana H. M. Hall May 17 1901-Jun 1 1901 1912 Riverside Santa Rosa Peak Comment
  RSA796323  Pholisma arenarium Duncan S. Bell 2009-4-18 216 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
  UCR19575  Pholistoma membranaceum I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Palm Canyon 427 Comment
  HSC86934  Phoradendron californicum Dennis E. Kucera 1987-11-14 Riverside Malki Museum garden, E of Banning off Fields Rd., Morongo Indian Reservation 610 Comment
  LA209833  Phoradendron californicum F. R. Fosberg; 1932-3-13 8089 Riverside Coachella Valley, Thousand Palms Canyon Comment
  SBBG61555  Phoradendron californicum M. N. Ackley -Feb-1926 498 Riverside Mecca -60 Comment
  UC217921  Phoradendron californicum P. A. Munz and D. Keck 1922-4-14 4992 Riverside Colorado Desert, Indian Wells 106 Comment
  UC748989  Phoradendron californicum Susan Delano McKelvey 1935-12-6 5035 Riverside between Cottonwood Mts. and Mecca Comment
  RSA132708  Phoradendron densum Del Wiens 1954-10-19 961 Riverside Palms to Pines highway, btwn. Keen Camp and Palm Desert, Hgwy # 74.Pinyon-Juniper WoodlandParasictic on juniper. Comment
  UCR22085  Phoradendron densum Steve Boyd 1980-5-3 184 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  RSA588662  Phoradendron macrophyllum D. L. Banks, Steve D. Boyd 1995-10-17 823 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, campsite #9. Disturbed area around the campsite and campground roadway. 488 Comment
  SEINET12808848  Physalis crassifolia Chris Dietrich, M. Merello, and H. Schmidt 1994-1 21 Riverside 9 mi NNW of Indio, off Dillon Road 1.9 mi NE on Berdoo Canyon Road (J241). BLM Land. Desert Access Guide map #17. 380 m 358 Comment
  UCR102739  Physalis crassifolia B. G. Pitzer 1998-2-1 3435 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  JOTR01203  Physalis crassifolia Cole, James E. 1941-4-13 593 Riverside Joshua Tree National Park. SUMMIT OF PINTO PASS Comment
  RSA336065  Pilularia americana R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51981 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  UC729934  Pinus flexilis Carl B. Wolf 1932-8-5 3982 Riverside summit of San Jacinto Peak San Jacinto Mountains, San Jacinto Peak 3293 Comment
  UCSB83  Pinus lambertiana Bobkowski, Jr., Vincent 1960-5-14 Riverside Black Mountain Camp, San Bernardino National Forest, San Jacinto Mountains Comment
  RSA650356  Pinus monophylla Nancy Gould 1977-1-22 40 Riverside On Hwy 74 across from sheep overlook. Comment
  SBBG113408  Pinus quadrifolia D. Wilken with E. Painter 2000-11-4 15866 Riverside St Hwy 71, ca. 4 mi E of Anza, N of Burnt Valley, SE base of Thomas Mtn 1400 Comment
  UC527400  Pinus quadrifolia B. D. Stark 1931-8-29 2448 Riverside Vandeventer Flat San Jacinto Mts. 1371 Comment
  UCR19284  Pinus quadrifolia John C. Roos 1947-4-5 3436 Riverside San Jacinto Mtns., Head of Thomas Valley 1463 Comment
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Oct 25 2011
  UCSB143  Pinus quadrifolia White, Arthur 1960-5-15 Riverside 75 yds. n. of road to Anza, 0.4 mi. w. of its junction with Hwy. 74 Comment
  UCR265847  Piptatherum miliaceum Mitch Provance 2013-4-8 413- 16 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  RSA715737  Plagiobothrys arizonicus Scott D. White 1999-5-24 7380 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
  UCR152647  Plagiobothrys canescens A. C. Sanders 2005-4-22 29598 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR241777  Plagiobothrys canescens A. C. Sanders, Timothy W. Chumley 2013-4-1 40723 Riverside Peninsular Range; Elsinore Valley, Hwy 74 at Collier, large vacant parcel at SE corner of intersection, NE edge of Lake Elsinore, between Riverside Dr. (Hwy 74) and Enterprise Way 385 Comment
  UCR51353  Plagiobothrys canescens L. F. LaPre, Jack Easton 1988-1-21 s.n. Riverside Gavilan Plateau, Steele Peak., Section 9 Comment
  UCR58495  Plagiobothrys canescens Jeri Hirshberg 1989-4-19 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., south of town of Murrieta, west of Mesa de Burro 610 Comment
  SD232228  Plagiobothrys collinus Scott D. White, Michael Honer 2003-4-2 8902 Riverside Temescal Canyon: Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  UCR193404  Plagiobothrys collinus A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35619 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi WSW of Fleming Ranch, at ephemeral stream crossing of dirt track 1561 Comment
  UCR226050  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2011-4-1 38955 Riverside Peninsular Range, Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74 404 Comment
  UCR182310  Plagiobothrys collinus var. fulvescens Mitch Provance 2003-4-5 6609 Riverside San Bernardino Valley, Jurupa Mountains, Glen Avon, slopes above the northern extreme of Campbell St 274 Comment
  UCR273791  Plagiobothrys collinus var. fulvescens Mitch Provance 2012-4-20 412- 26 Riverside San Timoteo Canyon, just southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd./Oak Valley Parkway 643 Comment
  SEINET2445416  Plagiobothrys glomeratus Daphne K. Christopher, Hannah Stevens 2003-4-3 83 Riverside Uc Riverside. Motte Rimrock Reserve. Off Hairstreak Trail. 536 Comment
  SD255121  Plagiobothrys jonesii Duncan S. Bell, Amanda Turek 2010-4-9 759 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 438 Comment
  CLARK-A1528-340  Plagiobothrys nothofulvus unknown 1966-3-24 Riverside Pedley Comment
  SD90575  Plagiobothrys undulatus Robert F. Thorne, Eatl Lathrop 1969-5-12 37931 Riverside Santa Rosa Plateau; large vernal marsh on south end of Mesa de Colorado, Rancho California. 625 Comment
  UCR234424  Plantago elongata Jeremiah George 2012-3-4 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  RSA192037  Plantago erecta E. W. Lathrop 1959-3-26 4377 Riverside 18 miles W of Elsinore, Tenaja Guard Station, Cleveland National Forest Comment
  SDSU12233  Plantago erecta Tahirih Linz, M. G. Simpson 2000-4-1 2 Riverside 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
  UCR148304  Plantago ovata John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  RSA4881  Plantago ovata var. fastigiata Carl B. Wolf 1932-4-27 2997 Riverside Colorado Desert, 14 miles E. of Mecca on Blythe Road. 152 Comment
  UC1618005  Plantago patagonica Donald G. Nelson 1936-5-24 417 Riverside Hurkey Creek Camp Comment
  UC218258  Platanthera leucostachys P. A. Munz 1922-7-7 6065 Riverside n Tahquitz Valley; San Jacinto Mts. 2225 Comment
  RSA401710A  Platanus racemosa H. de Forest 1924-4-13 s.n. Riverside Tahquitz Canyon. Comment
  UCR142190  Platystemon californicus June Latting 1979-4-8 s.n. Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  SEINET3817958 Image available Plectritis macrocera Marcus E. Jones 1882-4-24 3167 Riverside San Jacinto Comment
  POM1026  Pleuraphis rigida I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. Colorado Desert. Comment
  RSA778415  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-4 52 Riverside Red Cloud Wash Road exit from I10. Fellow Red Cloud Road approximately 6.4 miles. Near campground with car remnants. Chuckwalla Bench ACEC. 630 Comment
  RSA779620  Pleuraphis rigida Duncan S. Bell 2010-4-1 658 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  RSA675689  Pleurocoronis pluriseta Scott D. White, Bill La Haye 2001-4-28 8427 Riverside Colorado Desert: Coachella Valley, east of Dillon Road, ca. 6 road miles north of the I-10 Freeway. 137 Comment
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Aug 4 2014
  SD187361  Pleurocoronis pluriseta Sarah J. De Groot, Leland Lubinsky, et al. 2005-2-10 4607 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. 402 Comment
  UC1292583  Pleurocoronis pluriseta C. L. Hitchcock and C. V. Muhlick 1964-3-22 23261 Riverside w end Pinto Basin; Joshua Tree National Monument, Pinto Basin Comment
  UCR75043  Pleurocoronis pluriseta A. C. Sanders, E. J. Lawlor 1992-4-4 12157 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  CAS-BOT-BC326534  Pluchea sericea Roxana S. Ferris 1918-6-19 1007 Riverside Colorado River bottoms at Blythe Comment
  CAS-BOT-BC326544  Pluchea sericea A. C. Sanders; Kerry Knudsen; T. B. Salvato 2004-5-18 27904 Riverside Alberhill Mountain, Peninsular Range 445 Comment
  UC472884  Pluchea sericea M. F. Spencer 1918-3-28 Riverside Palm Canyon Colorado desert 125 Comment
  RSA179491  Poa bulbosa E. W. Lathrop 1960-4-15 4737 Riverside 14 miles W of Murrieta. Comment
  RSA752876  Poa pratensis Orlando Mistretta 2009-7-10 4001 Riverside Santa Ana River Canyon. Vicinity of Camp Round Meadow; 0.40 miles SE of junction of highway 38 and Jenks Lake Rd. 2027 Comment
  RSA179487  Poa secunda E. W. Lathrop 1965-4-11 5649 a Riverside 10 mi. W. of Murrieta Comment
  RSA524229  Poa secunda Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4023 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCD90298  Poa secunda A. A. Beetle 1944-4-27 3003 Riverside West of Murietta. Comment
  UCR23303  Poa secunda John C. Roos 1952-4-2 5453 Riverside Edgemont, near Box Springs 488 Comment
  CAS-BOT-BC242998  Poa secunda subsp. secunda H. M. Hall 1900-6-1 1439 Riverside Lytle Creek Canyon, San Antonio Mountains 1752 Comment
  POM265734  Polygala acanthoclada A. M. Alexander, Kellogg 1941-5-18 21195 Riverside Eagle Mountains: 1.5 miles N Cottonwood Springs 976 Comment
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Oct 9 2010
  RSA674526  Polygonum arenastrum Scott D. White 2000-11-15 8149 Riverside Idyllwild area, 'Strawberry Fuelbreak' between 'Inspiration Pt.' and Strawberry Ck. 1402 Comment
  RSA125544  Polygonum aviculare subsp. aviculare R. Weatherby 1949-5-13 412 Riverside La Sierra district. 152 Comment
  CAS-BOT-BC414404  Polygonum douglasii H. M. Hall 1901-7-1 2446 Riverside San Jacinto Mountains 2438 Comment
  UCR111569  Polygonum lapathifolium Mitch Provance 1999-5-4 1682 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
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Dec 10 2010
  RSA577524  Polypodium californicum Darin L. Banks, Steve Boyd 1995-2-16 50 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., S of the Dripping Springs Alcove, E of the Woodchuck Trail. 829 Comment
  UC1930040  Polypogon monspeliensis Scott D. White, Justin Wood 2008-6-16 12113 Riverside San Jacinto Mountains: Fobes Canyon, +- 1 mile up Fobes Ranch Road from Fobes Spring. Comment
  UCR139136  Polypogon monspeliensis Julie A. Greene 1993-4-17 1208 Riverside San Jacinto Valley, San Jacinto Wildlife Area, west of Davis Rd 439 Comment
  RSA385498  Polypogon viridis N. C. Cooper 2638 Riverside Whitewater Canyon. Comment
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Jan 14 2010
  SEINET273137  Poncirus trifoliata O. F. Clarke 1997-3-6 s.n. Riverside Riverside: O.F. Clarke's yard at 1012 Spruce St. 305 Comment
  CAS-BOT-BC102588  Populus fremontii W. R. Dudley 1903-12-25 s.n. Riverside Palm Springs Comment
  UC846012  Populus fremontii subsp. fremontii Ira L. Wiggins 1937-2-19 8573 Riverside roadside 2.5 mi n Ripley Comment
  SD157478  Populus trichocarpa Bill Knerr Jan 1998 Riverside Old Hwy 395, 9 miles south of Hwy 76, flat area Comment
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Sep 7 2013
  CAS-BOT-BC356166  Porophyllum gracile Carl B. Wolf 1932-4-29 3093 Riverside Eastern Colorado Desert. W. edge of Maria Mts. 17 mi. from Blythe on Rice Road 152 Comment
  RSA554287  Porophyllum gracile Scott D. White 1992-2-25 92 -14 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  SD129617  Porophyllum gracile Steve Myers 1990-3-21 Riverside Santa Rosa Plateau, Along Los Gatos Road, 0.5 miles south of Buena Vista Road (2 miles west of Sandia Canyon & 0.1 miles north of S.D.Co.Line 365 Comment
  UCR59181  Portulaca oleracea George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, S of Ripley at 32nd Street and Rannells Blvd 75 Comment
  CAS-BOT-BC267207  Potamogeton foliosus Thorne; P. A. Munz; E. Lathrop 1968-5-8 37593 Riverside Santa Rosa Plateau: near roadside, Rancho California 609 Comment
  CAS-BOT-BC267210  Potamogeton foliosus Steve Boyd 1994-10-14 8387 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, San Mateo Canyon, canyon bottom along San Mateo Creek at confluence with Bluewater Creek 329 Comment
  RSA286796  Potamogeton foliosus Robert F. Thorne 1974-5-23 44659 Riverside Santa Rosa Plateau, Rancho California; near junction of Tenaja Road and road to ranch headquarters. 610 Comment
  UCR202596  Potamogeton foliosus var. foliosus Scott D. White, Justin M. Wood 2008-7-9 12433 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  UCR119563  Potamogeton pectinatus L. C. Wheeler 1953-3-30 7034 Riverside Sonoran (Colorado) Desert, Alligator Slough on the Colorado River Comment
  RSA286806  Potamogeton pusillus Robert F. Thorne 1974-5-23 44669 Riverside Santa Rosa Plateau, Rancho California: Mesa de Colorado, pool at SW edge of large vernal marsh and presently separated from it, floating in shallow water c. 1/3 m deep. 625 Comment
  UC217966  Potamogeton pusillus var. pusillus I. M. Johnston 1922-5-21 5523 Riverside Hemet Valley, on Garner Ranch Hemet Valley; San Jacinto Mountains 1386 Comment
  SD152759  Potentilla glandulosa subsp. glandulosa Steve Boyd, Tim Ross 1992-5-5 7249 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. South of Oak Flats, southwest of the Bluewater Trail 730 Comment
  UC1931084  Potentilla gracilis var. fastigiata Scott D. White, Justin Wood 2008-6-19 12280 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  CAS-BOT-BC356217  Prenanthella exigua H. M. Hall 1905-4-1 5918 Riverside Colorado Desert. Paloverde [Palo Verde] Valley 76 Comment
  RSA0127790  Proboscidea althaeifolia G. Rink, T. Thomas, K. Routson 2012-9-1 11655 Riverside Blythe Solar Power Plant (proposed) about 10 miles northwest of Blythe. 170 Comment
  UCR199764  Prosopis glandulosa Scott D. White, Justin Wood 2007-4-11 11649 Riverside San Bernardino Mountain foothills, San Gorgonio River wash, west side of Bluff St. Comment
  RSA387390  Prosopis glandulosa var. torreyana Steve D. Boyd 1986-4-10 1646 Riverside Temescal Canyon: Along De Palma Road between Indian Truck Trail and Horsethief Canyon. 1.2 mile E of Indian Truck Trail. Comment
  SEINET2442086  Prosopis juliflora Fred D. Johnson 1962-1-2 6203 Riverside Tahquitz Canyon near Palm Springs. 140 Comment
  CAS-BOT-BC216522  Prosopis pubescens Alice Eastwood 1913-4-30 3062 Riverside Palm Springs Comment
  RSA1019  Prosopis pubescens J. T. Howell 1927-8-1 524 Riverside Mission Creek, Colorado Desert. 610 Comment
  UCR17888  Prosopis velutina Steve Boyd 1978-8-30 133 A Riverside Peninsular Range, Pauba Valley. Hwy 79, 3.7 mi east of Interstate Hwy 15E. 335 Comment
  JEPS44617  Prunus fasciculata W. L. Jepson 1928-4-25 12579 Riverside Colorado Desert, Cottonwood Mountains, Cottonwood Spring Cottonwood Spring; Colorado Desert, Cottonwood Mountains, Cottonwood Spring 731 Comment
  POM184746  Prunus fasciculata C. Leo Hitchcock 1932-4-8 12219 Riverside 1 mile west of Cottonwood Springs. Comment
  CAS-BOT-BC158291  Prunus fasciculata var. fasciculata C. L. Hitchcock 1940-4-2 5916 Riverside Cottonwood Spring wash, Joshua Tree Nat. Monument Comment
  RSA0121429  Prunus fremontii Duncan S. Bell, LeRoy Gross 2016-3-29 9128 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  RSA525682  Prunus ilicifolia Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4541 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  RSA472308  Psathyrotes ramosissima L. C. Wheeler 1931-11-26 390 Riverside Salton Bench Mark, Colorado Desert. -15 Comment
  RSA180326  Pseudognaphalium biolettii E. W. Lathrop 1965-4-4 5620 Riverside 8 miles west of Murrieta Comment
  RSA736540  Pseudognaphalium biolettii Scott D. White 2004-4-26 10263 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  SEINET2054133 Image available Pseudognaphalium californicum D. H. Eslinger 1970-5-29 Riverside 4 mi. E of Riverside, 50 m N of 9725 Pigeon Pass Rd. 365 Comment
  MACF019472  Pseudotsuga macrocarpa Trudy R. Ericson 1974-11-9 273 Riverside Approx. 9 mi. west of intersection of St. 243 and 74, going toward Hemet. San Bernardino National Forest 1036 Comment
  POM14280  Psilocarphus brevissimus P. A. Munz 1922-4-29 5065 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  UCR267880  Psilocarphus chilensis D. E. Bramlet 2005-4-19 3821 Riverside Hills west of Hemet-Ryan Airport, west of California Ave., south of Hwy 74, north of Stowe Rd. 599 Comment
  RSA698727  Psoralea E. Crow 1930-5-17 s.n. Riverside Shaver's Well Comment
  CAS-BOT-BC354282  Psorothamnus Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater Comment
  UC667322  Psorothamnus arborescens var. simplicifolius Annie M. Alexander and Louise Kellogg 1941-5-22 2217 Riverside 1.5 mi n Cottonwood Spring (Eagle Mountains, Colorado Desert); Colorado Desert, Eagle Mountains, n of Cottonwood Spring 975 Comment
  CAS-BOT-BC353616  Psorothamnus emoryi L. R. Abrams 1926-3-26 11098 Riverside Between Edom and Garnet east of San Gorgonio Pass Comment
  RSA748290  Psorothamnus emoryi Justin M. Wood 2009-3-26 418 Riverside Thousand Palms, Ramon Rd., 1.4 miles E of Monterey Ave., just E of Edison substation. 61 Comment
  RSA792928  Psorothamnus emoryi Aaron C. Sedgwick, Cody Leslie 2012-9-20 121 Riverside South of 29 Palms Hwy 62 in a wash ~3 mi. east of Chadwick Rd. West of Ironage road ~1500 ft. 243 Comment
  UCR25855  Psorothamnus emoryi John C. Roos, Lucille Roos 1949-4-6 4139 Riverside Sonoran (Colorado) Desert, east of Mecca Comment
  SBBG21967  Psorothamnus fremontii R. F. Thorne 1964-5-3 33849 Riverside near hwy ca. 4 mi S of Morongo Valley, ca. 3 mi S of San Bernardino Co line Comment
  SEINET2063915 Image available Psorothamnus polydenius R. G. Engard, W. H. Earle 1973-10-10 154 Riverside 5 miles N of Cottonwood Springs, Joshua Tree National Monument. Comment
  JEPS41665  Psorothamnus schottii W. L. Jepson 1927-4-12 11683 Riverside Mecca, Painted Canyon Painted Canyon; Mecca, Painted Canyon 76 Comment
  JOTR16703  Psorothamnus schottii Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. BERDOO CANYON Comment
  UCR148301  Psorothamnus schottii John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  CDA27787  Psorothamnus spinosus W. E. Henson Jul 1932 Riverside Coachella Valley. 0 Comment
  UC534841  Psorothamnus spinosus Victor Duran 1933-7-3 3499 Riverside Coachella Valley at Deep Canyon 243 Comment
  POM10468  Pterostegia drymarioides Charlotte M. Wilder 1904-4-18 204 Riverside Wilder's Canyon. Comment
  UCR123819  Pterostegia drymarioides Steven R. Hill 2001-5-3 33672 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
  UCR241821  Pterostegia drymarioides A. C. Sanders, Timothy W. Chumley 2013-4-2 40755 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 405 Comment
  JOTR16838  Purshia tridentata var. glandulosa Hogan, J. 1974-5-6 43 Riverside Joshua Tree National Park. LOWER COVINGTON FLAT PARKING AREA 1432 Comment
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Jun 9 2013
  RSA449651  Purshia tridentata var. glandulosa N. R. Zabriskie, W. M. Zabriskie 1972-3-30 489 Riverside Carrizo Rd. (6S03) west of Sugarloaf Mtn., south of Hwy 72., Santa Rosa Mts. 1220 Comment
  RSA0081611  Pyrola aphylla F. W. Peirson 1924-7-27 4988 Riverside Dark Canyon, San Jacinto Mts. 1905 Comment
  SD67914  Pyrola picta f. aphylla Reid Moran 1968-8-3 15367 Riverside under firs, north slope 1 mile west of summit, Santa Rosa Mtn. 2150 Comment
  UC1584069  Quercus X acutidens Steve Boyd and Dave Bramlet 1988-10-8 2875 Riverside sw of Anza (at head of Bautista Canyon); Cahuilla Mountain, Bautista Canyon Comment
  RSA475286  Quercus berberidifolia Steve Boyd 1987-11-23 2097 Riverside Mt. Russell, N of Lake Perris, Moreno Valley. 762 Comment
  UCD73488  Quercus berberidifolia A. C. Sanders; T. Tennant 1997-11-14 21602 Riverside San Bernardino Mtns.: Morongo Indian Reservation, sag pond at SE end of Burro Flats. 1110 Comment
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Aug 12 2015
  UCR138558  Quercus berberidifolia Steve Boyd, D. E. Bramlet 1988-10-8 2875 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  UCSB12186  Quercus berberidifolia Breedlove, Dennis 1962-3-11 Riverside 5.7 miles northwest of Mountain Center, at junction with Riverside Highway 1 on State 74 944 Comment
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Feb 24 2013
  SBBG44655  Quercus cornelius-mulleri W. B. Holt 1941-10-21 11 -1941 Riverside near Split Rock, Joshua Tree Nat Monument Comment
  RSA585787  Quercus engelmannii D. L. Banks, Steve D. Boyd 1995-5-9 412 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 738 Comment
  RSA0022626  Quercus engelmannii Robert F. Thorne, Earl W. Lathrop, M. Z. Thorne 1985-4-26 s.n. Riverside Santa Rosa Plateau: NE edge of Mesa de Colorado Comment
  CAS-BOT-BC105318  Quercus kelloggii Carl Epling 1931-10-4 s.n. Riverside Strawberry Valley, San Jacinto Mts. Comment
  UCR182105  Quercus kelloggii Tom Chester 2006-9-29 959 Riverside Peninsular Ranges; San Jacinto Mountain, Humber Park above Idyllwild just outside of parking area 1972.6 Comment
  UCD83689  Quercus palmeri Louis B. Ziegler 1969-10-12 s.n. Riverside Hemet Valley, San Jacinto Mountains, near the Kenworthy Ranger Station. 1417 Comment
  UCR117248  Quercus palmeri A. C. Sanders, S. D. Boyd, Mitch Provance, J. Ross 1998-10-25 22291 Riverside San Jacinto Mtns., Santa Rosa Indian Reservation along Hwy 74, 4 mi. east of Hwy 371 junction to Anza 1378 Comment
  CAS-BOT-BC105000  Quercus wislizeni Peter H. Raven 1958-5-17 12960 Riverside along road to Banning 6.1 miles NW of Lake Fulmor, San Jacinto Mountains Comment
  RSA0065416  Quercus wislizeni var. frutescens Glenn Stewart 1968-9-21 s.n. Riverside 3 mi. S. Idylwild, San Jacinto Mountains. Comment
  NY43473  Rafinesquia neomexicana C. R. Annable 1995-3-9 2253 Riverside Ca. 14.5km NW of Palm Springs, N slope of Whitewater Hill Comment
  RSA3968  Rafinesquia neomexicana C. B. Wolf 1932-4-29 3107 Riverside Eastern Colorado Desert, 9 miles south of Browns Well, on the Blythe-Rice Road 244 Comment
  RSA708490  Rafinesquia neomexicana Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10884 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills , just east of Coachella Canal. 24 Comment
  RSA749946  Rafinesquia neomexicana Justin M. Wood 2009-3-26 413 Riverside Thousand Palms, Ramon Rd., 1.4 miles E of Monterey Ave., just E of Edison substation. 61 Comment
  SDSU10095  Ranunculus aquatilis H. Wedberg 1963-5-26 1070 Riverside On the Banning to Idyllwild Road, San Jacinto Mtns. 1631 Comment
  RSA0018978  Ranunculus aquatilis var. aquatilis E. W. Lathrop 1965-4-16 4454 Riverside 14 miles west of Murrieta. Comment
  UC827610  Ranunculus aquatilis var. capillaceus P. A. Munz 1922-4-28 5022 Riverside 5 mi nw Corona (in small branch of creek); Chino Creek 228 Comment
  CHSC109258  Ranunculus sceleratus Scott D. White; Justin M. Hood 2008-7-9 12441 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. 1402 Comment
  UCR199761  Ranunculus sceleratus Scott D. White, Angelia Carey and Linda Archer 2004-8-5 10691 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  CSUSB539  Raphanus sativus Rita Gibbons 1975-6-5 Riverside 1/2 mile north of Highway 60, on Heacock Ave., Sunnymead Comment
  UC18518  Rhamnus californica subsp. californica H. M. Hall 1897-5-27 575 Riverside Coldwater Canyon Elsinore Mts. Comment
  HSC28009  Rhamnus ilicifolia Richard Spjut 1973-4-13 3301 Riverside Mojave Desert, mtns. near Morongo Pass near Hwy. 62 915 Comment
  UCR270307  Rhamnus ilicifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8375 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  UCR40154  Rhamnus ilicifolia Steve Boyd 1985-4-7 1111 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Rd., 0.8 mi east of jtn with 8S01 and 8S02 610 Comment
  POM15198  Rhamnus tomentella subsp. cuspidata Mary F. Spencer 1922-6-24 1166 Riverside Tahquitz trail prope [near] Idyllwild. 1585 Comment
  RSA680530  Rhododendron occidentale Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8640 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  CLARK-A1528-1414  Rhus laurina John C. Roos 1954-7-10 6191 Riverside Box Springs Mountains 487 Comment
  CAS-BOT-BC167965  Rhus ovata H. S. Gentry 1954-7-25 14245 Riverside NW. of Aguanga along road to Sage Comment
  GMDRC6542  Rhus ovata J. M. Andre 2012-6-15 30494 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  SD229051  Rhus ovata Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 644 Riverside Mt. San Jacinto: Pinyon Flats, approx. 1I(c) miles north of Highway 74 intersection with Palm Canyon Road, broad flat area. 1303 Comment
  UC195328  Rhus trilobata S. B. Parish 1906-5-13 10839 Riverside Cottenwood Spring; Colorado Desert Comment
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Sep 4 2011
  RSA114869  Ribes indecorum G. R. Campbell 1954-12-8 20535 Riverside 1/2 way up W side of Mt San Jacinto Comment
  UC1127313 Image available Ribes indecorum C. Van Fleet 1931-1-22 520 Riverside mesa w Red Mt.; San Jacinto Quadrangle 914 Comment
  UC1292280  Ribes indecorum C. L. Hitchcock, C. V. Muhlick 1964-3-17 23111 Riverside 10 mi n Pala (along road to Elsinore) Comment
  UCR45966  Ribes indecorum R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60669 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: edge of Cleveland National Forest 610 Comment
  UCR121645  Ribes malvaceum A. C. Sanders, Kent Beaman 2002-5-10 25054 Riverside Santa Ana Mtns., Santa Rosa Plateau, hills west of the head of De Luz Creek, 0.4 mi. south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral 671 Comment
  LA205625  Ribes nevadense Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  UC489157  Ribes nevadense C. V. Meyer June 1927 174 Riverside Dark Canyon San Jacinto Mts. 1828 Comment
  UCR154628  Ribes quercetorum A. C. Sanders, Mike Misenhelter 2005-6-15 31003 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
  UCR22116  Ribes quercetorum Steve Boyd 1980-5-11 245 Riverside Peninsular Range; Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau. Sandy valley NW end of park on E side of Gavilan Road near the old mines 610 Comment
  OBI70000  Ribes roezlii David Charlton 1988-5-21 1910 Riverside Thomas Mtn rd, from N to S. W of Garner Valley and S of Lake Hemet on hwy 74 1829 Comment
  RSA722426  Romneya coulteri Pomeroy 1929-5-11 s.n. Riverside Glenn Ivy Comment
  SDSU17734  Rorippa nasturtium-aquaticum D. C. Estrella, M. G. Simpson 2002-4-20 28 Riverside Shallow, aquatic pool. Santa Margarita Ecological Preserve. 229 Comment
  RSA561110  Rosa californica Steve D. Boyd, Tim S. Ross, Dave Bramlet 1993-5-12 7323 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  RSA708220  Rosa californica Scott D. White, Angelia Carey 2004-5-7 10334 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  UC1929954  Rosa californica Scott D. White, Justin Wood 2008-6-16 12121 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. Comment
  POM1468  Rubus ursinus D. L. Crawford 1916-3-1 s.n. Riverside Santa Ana River Valley. Comment
  UCR213876  Rumex conglomeratus Scott D. White, Justin M. Wood 2008-7-9 12415 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UCR180047  Rumex crispus Mitch Provance 2005-5-18 9808 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
  RSA466099  Rumex hymenosepalus N. C. Cooper 1944-3-24 1011 Riverside Banning. 701 Comment
  RSA528094  Rumex hymenosepalus Scott D. White 1991-4-10 91 -61 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, and S of Cactus Valley Road 518 Comment
  UCR97674  Rumex hymenosepalus A. C. Sanders, G. Helmkamp 1997-3-15 19958 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  UCR100700  Rumex salicifolius var. denticulatus Scott D. White 1997-5-25 5247 A Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  SD44971  Ruppia cirrhosa Darley F. Howe 1952-8-10 Riverside Lake Elsinore Comment
  UCR240063  Salazaria mexicana A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40507 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
  RSA0119965  Salix exigua Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9074 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
  RSA495407  Salix exigua Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-11 2895 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  UCR26182  Salix exigua John C. Roos 1947-2-15 3244 Riverside Sonoran (Colorado) Desert, Lost Palms Canyon, south face of Eagle Mtns., west of Hayfield Dry Lake 997 Comment
  SD11898  Salix exigua var. exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside East side of bridge over Santa Ana River, 4.8 km north of Arlington on road to Pedley, west of Riverside 239 Comment
  CAS-BOT-BC108146  Salix gooddingii A. C. Sanders 2004-5-12 27866 Riverside Lake Skinner area - Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn. 445 Comment
  POM122567  Salix gooddingii Marcus E. Jones 1925-4-24 s.n. Riverside Thousand Palms. Comment
  RSA4945  Salix gooddingii Carl B. Wolf 1932-4-28 3085 Riverside Overflow land back of Colorado River, about 800 m. from State Inspection Station, on way to Blythe Bridge. 90 Comment
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Mar 26 2011
  RSA509527  Salix gooddingii Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd and Mockingbird Canyon Road. 366 Comment
  RSA575965  Salix gooddingii Steve D. 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
  UC498077  Salix gooddingii Philip A. Munz 1932-3-24 12032 Riverside n Elsinore 304 Comment
  CLARK-A1528-5200  Salix hindsiana var. leucodendroides John C. Roos, Lucille Roos 1952-3-1 5382 Riverside Moreno 609 Comment
  CAS-BOT-BC106969  Salix lasiolepis Steve Boyd; Aydee Virgen 2004-4-13 10847 Riverside Peninsular Ranges; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  RSA502903  Salix lasiolepis Bill Wagner 1989-1-30 s.n. Riverside 2 mi. due south of Lake Skinner, on the south side of Borel Road approximately 1/2 mi. W of Warren Road. 457 Comment
  SD225104  Salix lasiolepis Scott D. White, Shelton Dowthit & Conservancy volunteers 1996-3-31 3848 Riverside Lk Skinner Area: Riverside Land Conservancy conservation easement site, about 1/2 air mi S of the reservoir, near East Benton Road. 533 Comment
  SD229282  Salix lasiolepis Dick Schwenkmeyer 2012-3-26 674 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx Ao mile north of Highway 74, just east of Morris Ranch Road. 1356 Comment
  POM319277  Salix lucida subsp. lasiandra Patricia Wilder 1971-11-11 5297 Riverside Along Santa Ana River, north off of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. Drainage Area: Santa Ana River. 229 Comment
  POM13584  Salix lutea Philip A. Munz 1922-7-6 5980 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  UCR103730  Salsola australis A. C. Sanders 1997-3-19 20035 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp, from dirt track down to lakeshore 457 Comment
  RSA0112082  Salsola tragus Duncan S. Bell 2010-10-23 1982 Riverside Arica Mountains; northwest section of range; collecting in the vicinity of the California Aqueduct. 282 Comment
  RSA552734  Salsola tragus Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6755 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  SD136797  Saltugilia australis Steve Boyd, Tim Ross 1992-5-15 7395 Riverside San Mateo Canyon Wilderness Area; major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  SEINET3860545  Saltugilia australis Leigh A. Johnson 1997-4-25 97 -049 Riverside Magee Hills vicinity: on first year burn on hills and slopes directly W of Hwy R3,(Sage Road) ca. 5.9 miles S of jct. with Cactus Valley Rd., and 0.8 mi N of Sage Hen Fire Station. Collected near top of hill behind and to the S of the microwave towers.; 0 756 Comment
  UC23640  Saltugilia australis A. J. McClatchie April 1892 38 Riverside near Elsinore; near Elsinore Comment
  RSA192106  Salvia apiana E. W. Lathrop 1966-6-9 4952 Riverside 14 miles W of Murrieta. Comment
  UC1080342  Salvia apiana E. K. Balls and P. C. Everett 1957-11-4 22748 Riverside Snow Creek San Jacinto Mts., Snow Creek (near old Fish Hatchery, n base of San Jacinto Mts) 701 Comment
  UC218132  Salvia apiana P. A. Munz 1922-7-3 5957 Riverside s slope Santa Rosa Mts. 1615 Comment
  SEINET2066007 Image available Salvia carduacea Howard S. Gentry 1981-6-13 23713 Riverside Between Anza and Aguanga. Comment
  UCR228392  Salvia carduacea Thomas R. Stoughton, J. McConnaughy, A. Monks. M. Volke 2010-3-31 115 Riverside Transverse Ranges; San Bernardino Mountains, Pacific Crest Trail. W of Whitewater 869 Comment
  RSA401487A  Salvia columbariae H. de Forest, Freda Detmers 1933-3-25 s.n. Riverside Between Banning and Cabazon Comment
  RSA522748  Salvia columbariae Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3856 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
  SD234435  Salvia columbariae Wayne Law, Jun Hu 2000-5-16 18 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi S of Corona (Aberhill 7.5' Q) 395 Comment
  SDSU7473  Salvia columbariae Pamela A. Beare 1992-3-13 13 III92C Riverside just norh of Box Canyon road. approx 7 miles ca. east of Painted Canyon Road, east of Mecca. Comment
  UCR116823  Salvia columbariae A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23922 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR120185  Salvia columbariae Mitch Provance 1998-3-7 170 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.1 km west of peak 1602, c. 0.75 km south of limestone quarry situated at the N base of the mountain on 7th St. This site, technically, in the city of Riverside. 442 Comment
  UCR274293  Salvia columbariae T. B. Salvato, Gregg Miller 2005-6-7 1445 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  POM229037  Salvia eremostachya P. A. Munz 1937-5-30 15109 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  CAS-BOT-BC6097  Salvia greatae Harvey Monroe Hall; L. A. Greata 1905-4-22 5848 Riverside Colorado Desert; near Dos Palmas Comment
  RSA793461  Salvia greatae Duncan S. Bell, John Anderson, Keir Morse 2012-11-11 4373 Riverside Mecca Hills: upper branch of Hidden Spring Canyon, approximately 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto. 250 Comment
  UCR23566  Salvia greatae John C. Roos 1958-3-29 s.n. Riverside Sonoran (Colorado) Desert, Salt Creek Wash, 3 miles north of Coachella Canal on [south] base of Orocopia Mtns. 305 Comment
  HSC14360  Salvia mellifera C. L. Hitchcock 1966-3-16 24181 Riverside 0.25 mi. W of Aguanga Comment
  UCR120296  Salvia mellifera Mitch Provance 1998-2-13 16 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.3 km east of peak 1768, and c. 0.3 km south of Riv. / S.B. county line. 442 Comment
  CAS-BOT-BC224854  Salvia pachyphylla P. A. Munz; E. K. Balls 1952-8-21 17981 Riverside Vandeventer Flat to Santa Rosa Peak 2072 Comment
  UC1713564  Salvia pachyphylla H. M. Hall 1897-8-11 809 Riverside e side San Jacinto Mt. 2133 Comment
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Jul 23 2008
  OBI13513  Salvia vaseyi H. E. McMinn 1935-6-27 4069 Riverside Palms to Pines hwy Comment
  RSA0035176  Sambucus M. Bourell, R. Patterson, Steven Timbrook 1986-4-7 2956 Riverside Temescal Canyon Rd. ca. 1 mi. SE of Glenn Ivy Hotsprings, ca. 200 meters from RR overpass. East side of hwy. 259 Comment
  RSA500110  Sambucus mexicana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3662 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  UC889777  Sambucus mexicana P. A. Munz 1922-6-24 5791 Riverside Pipe Creek San Jacinto Mts., Hemet Valley 1402 Comment
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Mar 25 2011
  UCR140729  Sambucus mexicana A. C. Sanders 2004-5-12 27884 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR154730  Sambucus mexicana T. B. Salvato, Kent Beaman 2005-5-16 769 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
  POM12963  Sanicula arguta P. A. Munz, J. M. Johnston 1922-5-19 5373 Riverside Menifee Valley. 412 Comment
  UC106101  Sanicula arguta Alderson 442 Riverside Comment
  CHSC114153  Sanicula bipinnatifida A. C. Sanders; T. B. Salvano 2011-4-1 38957 Riverside Peninsular Range:Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74. 404 Comment
  RSA781360  Sanicula bipinnatifida A. C. Sanders, T. B. Salvato 2011-4-1 38957 Riverside Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74 404 Comment
  UCR42583  Sarcostemma cynanchoides B. G. Pitzer 1986-4-26 0185 Riverside San Bernardino Mtns., Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  JEPS27436  Sarcostemma cynanchoides subsp. hartwegii W. L. Jepson 1901-5-22 1393 a Riverside Palm Canyon of Mt. San Jacinto; , Palm Canyon Comment
  UCR140892  Sarcostemma cynanchoides subsp. hartwegii Virginia Moran 2003-5-28 s.n. Riverside Peninsular Range; Perris-Aguanga Basin region, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  UC879245  Sarcostemma hirtellum C. L. Hitchcock 1940-3-31 5886 Riverside between Cottonwood Spring Pinto Basin Comment
  SEINET8908689  Sarcostemma hirtellum W. Enriquez 1989-1 Riverside ca 15 mi. E. Indio, I-10 30 Comment
  SEINET10634924  Schinus molle Greg Gust, Leith Nye 2005-3-11 Gust 538 Riverside Lake Elsinore City Limits. At intersection of Ellis St. & Franklin St. in an overgrown disturbed site. 400 Comment
  SEINET7862086  Schinus molle M. F. Barrus 1919-12-24 57 Riverside Riverside, Canyon, W slope of Box Springs Mts. Comment
  CDA2418  Schismus arabicus G. D. Barbe 1984-2-7 4133 Riverside 2 miles northeast of Desert Center. 0 Comment
  UCR214418  Schismus arabicus A. C. Sanders 2010-3-15 37419 Riverside Sonoran (Colorado) Desert, western edge of Blythe near the airport, Black Rock Rd. near the Mesa Dr. and I-10 intersection 120 Comment
  CLARK-A1528-92  Schismus barbatus Fred B. Essig 1964-2-13 13 Riverside La Sierra 609 Comment
  OBI79207  Schismus barbatus A. C. Sanders, T. B. Salvato 2011-3-28 38813 Riverside Peninsular Range; Perrris-Aguanga Basin Region: Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy (Romoland 7.5') Flat valley bottom, clay-loam soil; disturbed roadsides and field edges in agricultural area, with abandoned old fields near 215. 1425 Comment
  UCR152526  Schismus barbatus A. C. Sanders 2005-4-22 29615 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR25195  Schismus barbatus John C. Roos, L. Roos 1951-3-24 5033 Riverside San Bernardino Valley, Riverside, Mount Rubidoux 396 Comment
  UCSB9696  Schismus barbatus Van Leeuwen, Henry 1957-4-13 Riverside US 60 near junction with Cal. 195 Comment
  UCR129353  Schoenoplectus acutus var. occidentalis Patricia Wilder 1970-10-30 4851 Riverside Santa Ana River Valley, along road on south side of Prado Flood Control Basin east of Prado Dam, east of Chino Hills 152 Comment
  POM320443  Scirpus microcarpus Worthman 1968-5-16 154 Riverside 4.4 miles west of Murrieta. 320 Comment
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Jun 16 2013
  CSUSB906  Scrophularia californica M. Quinlan 1974-5-25 Riverside Found in Riverside county on the bank of the Santa Ana River about 1 mile form the Riverside Municipal Airport in Riverside 266 Comment
  POM10106  Scrophularia californica subsp. floribunda Charlotte M. Wilder 1904-4-30 139 Riverside West Riverside. Comment
  POM158429  Scrophularia californica subsp. floribunda Philip A. Munz 1927-5-21 10850 Riverside San Carlos Pass. 2 mi. S.E of Anza. Comment
  UC1713593  Scutellaria bolanderi subsp. austromontana C. Epling 1938-8-14 Riverside junction of Palms (to Pines Hwy and Idylwild Road) Comment
  CAS-BOT-BC341097  Scutellaria mexicana Nancy Ryan Zabriskie; Walter Zabriskie 1972-3-30 504 Riverside Below Pinyon Crest in Chapman's Rancheros area toward Dos Palmas Spring; north-west of Hwy 74 in Santa Rosa Mts. (Site 11) 1097 Comment
  UCR26236  Scutellaria siphocampyloides John C. Roos 1948-6-19 3881 Riverside San Jacinto Mtns., ridge north of Idyllwild 1829 Comment
  SD152815  Scutellaria tuberosa subsp. australis Steve Boyd, Time Ross 1992-5-4 7187 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 730 Comment
  UCR79256  Scutellaria tuberosa subsp. australis Steve Boyd, T. S. Ross 1992-5-4 7187 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 732 Comment
  RSA697610  Securinega fasciculata var. hallii J. R. Bruff 1928-4-2 168 Riverside Cottonwood Springs. Comment
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Oct 9 2010
  CAS-BOT-BC69803  Selaginella bigelovii L. R. Abrams 1926-3-26 11082 Riverside Palm Springs. Comment
  CAS-BOT-BC69804  Selaginella bigelovii Milo S. Baker 1928-4-3 2787 b Riverside Palm Canyon. Comment
  IRVC3582  Selaginella bigelovii R. H. Whittaker, W. A. Niering 1963-5-29 SJ 49 Riverside Above N Fork San Jacinto River. Peninsular Ranges, San Jacinto Mountains 671 Comment
  SEINET6837678  Selaginella bigelovii Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside West of Perris, Gavilan Hills. Comment
  CAS-BOT-BC62080  Selaginella eremophila John Thomas Howell 1931-6-5 6650 A Riverside Palm Canyon Comment
  UC111632  Selaginella eremophila S. B. Parish 1907-4-18 6110 Riverside w base Colorado Desert West Canyon; Colorado Desert 200 Comment
  UCR19830  Selaginella eremophila Freda Detmers 1930-2-2 s.n. Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Palm Canyon Comment
  RSA612926  Senecio ganderi D. L. Banks 1997-3-29 1650 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
  SD143525  Senecio vulgaris W. L. Halvorson 1977-3-13 77 173 Riverside Rolling hills near Temecula Comment
  UCD108484  Senna armata William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  SBBG124871  Sequoia sempervirens S. C. White, J. M. Wood 2009-5-22 12922 Riverside Halfway Spring, accessed via Old Control Rd 1159 Comment