Search Results — 2000 specimen records retrieved (1878 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CDA23833  Abronia pogonantha M. S. Wasbauer 1960-3-26 Riverside Palm Springs. 0 Comment
  CLARK-A1528-3257  Abronia villosa John C. Roos 1949-3-26 4124 Riverside Indio Comment
  HSC16147  Abronia villosa C. E. Fellows 1965-4-15 58 Riverside Just inside N city limits, Palm Springs, on Hwy. 111 Comment
  RSA461035  Abronia villosa M. B. Dunkle 1933-3-4 3052 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA611933  Abronia villosa A. N. Dunn, Ann Martin 1932-3-26 s.n. Riverside Coachella Comment
  RSA69968  Abronia villosa F. W. Peirson 1918-03 2222 Riverside Irrigated field near Indio. Comment
  SEINET4344938 Image available Abronia villosa Orr Michael 2013-1 Riverside Palen/McCoy Wilderness area, off Midland rd, about 3 mi S of Rice Comment
  UC912300  Abronia villosa Margaret Stason 1927-3-12 Riverside Colorado Desert, Painted Canyon Comment
  SEINET11941844  Abronia villosa J. F. Bright, Wyman, C. 1933-1 8049 Riverside In desert near Palm Springs Comment
  UC52163  Acacia greggii E. E. Schellenger Jul 25 1903-Aug 14 1903 11 Riverside Colorado Desert, Chucawalla Bench Chucawalla Bench; Colorado Desert, Chucawalla Bench Comment
  CAS-BOT-BC172853  Acamptopappus sphaerocephalus Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9004 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mi NE of Black Hills 854 Comment
  RSA696775  Acamptopappus sphaerocephalus W. Blanchard 1932-4-16 s.n. Riverside Palm Spring Station. Comment
  SEINET1956956 Image available Acamptopappus sphaerocephalus Leila M. Shultz, Thorne, R., Tilford, R., Hogue, J. 1980-4-16 4025 Riverside Side canyon of Whitewater Canyon, San Bernardino Mtns. Comment
  SEINET223686 Image available Achnatherum coronatum Mary E. Barkworth 1981-1 3407 Riverside Riverside/San Diego CO: Near Aguanga. 914 Comment
  UCD50442  Achnatherum hymenoides F. M. Reed 1907-4-1 2916 Riverside Palm Springs. Comment
Read comments
May 1 2011
  JOTR28927  Achyronychia cooperi La Doux, Tasha 2005-3-1 1163 Riverside Joshua Tree National Park. Between Sand Hills and Main Road to Cottonwood Comment
  POM10327  Achyronychia cooperi Charlotte M. Wilder 1905-04 707 Riverside Santa Marie Mountains. Comment
  POM14011  Achyronychia cooperi P. A. Munz, D. D. Keck 1922-4-13 4937 Riverside Desert Center; Chuckwalla Valley Comment
  UCR85253  Achyronychia cooperi A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16187 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  SD234950  Acmispon brachycarpus R. E. Jr. Riefner 2005-8-28 05 649 Riverside Peninsular Range: SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. 394 Comment
  UCSB38677  Acmispon brachycarpus Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon; Whittaker transect #W-217 570 Comment
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Apr 2 2011
  JOTR34089  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
  SDSU13682  Acmispon strigosus Janet M. Knotts with Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998M Riverside Road southwest of SDSU Santa Margarita Field Station, ca. 500 feet southwest on road to switchback, west side of road. 311 Comment
  CDA14288  Acroptilon repens R. O'Connell 1998-7-8 s.n. Riverside at Santa Ana River Regional Park. 0 Comment
  SEINET232551  Adenostoma fasciculatum Sharon K. DuBois 1987-5-10 Riverside San Jacinto Mountains 1 mile up Bee Canyon off of Highway 74. Banning 15 minute quadrangle. 457 Comment
  UCR178203  Adenostoma fasciculatum Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 643 Riverside San Bernardino Mtns., Morongo Indian Reservation, ridge east of upper Hathaway Canyon, west of Burro Flats 1037 Comment
  LA207891  Adenostoma sparsifolium Carl Epling; 1931-10-4 sn Riverside Hewitt to idyllwild Comment
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Feb 23 2014
  RSA453180  Adenostoma sparsifolium E. C. Jaeger 1923-6-6 s.n. Riverside East-slope San Jacinto Mountains 1585 Comment
  SEINET10964943  Adenostoma sparsifolium Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-15 Conrad 7147 Riverside Chaparral along roadside 1036 Comment
  UC859044  Adenostoma sparsifolium E. C. Jaeger 1922-8-20 1005 Riverside n. slope San Jacinto Mt. 1371 Comment
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May 29 2011
  RSA625173  Adiantum capillus-veneris L. C. Wheeler 1963-3-17 8245 Riverside Santa Rosa Mountains: Martinez Canyon. 914 Comment
  SD152961  Agoseris grandiflora Steve Boyd, Tim Ross 1992-5-5 7223 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; Oak Flats east of Verdugo Potrero. 730 Comment
  RSA180464  Agoseris grandiflora var. grandiflora E. W. Lathrop 1960-5-27 5232 Riverside 6 miles west of Murrieta. Comment
  RSA5260  Agrostis exarata C. B. Wolf 1932-8-6 3997 Riverside Roadside 2.9 mi From Idyllwild on the road to Hemet. San Jacinto Mts. 1220 Comment
  CAS-BOT-BC139356  Agrostis idahoensis H. M. Hall 1901-7-1 2363 Riverside San Jacinto Mountains. Tahquitz Valley. 2438 Comment
  POM263046  Agrostis scabra J. C. Roos 1937-8-18 494 Riverside Hidden Lake, San Jacinto Mountains. Comment
  IRVC14335  Allenrolfea occidentalis L. McHargue 1971-10-23 Riverside Salton Sea; Northshore, edge of Salton Sea in wet, saline soil. Sonoran Desert -70 Comment
  CAS-BOT-BC434484  Allionia incarnata Ivan Johnston 1917-4-4 1059 Riverside Colorado Desert. Palm Canyon 231 Comment
  POM147851  Allium haematochiton J. B. Feudge 1927-4-7 1631 Riverside Beaumont. 671 Comment
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Dec 13 2016
  RSA0000106  Allium haematochiton J. C. Marvin 1921-4-1 3408 Riverside Near Banning. Comment
  RSA367046  Allium haematochiton N. C. Cooper 1947-4-5 2041 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA612930  Allium haematochiton Darin L. Banks 1997-3-29 1647 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
  RSA706306  Allium munzii Valentin Arvizu 2005-4-20 1 Riverside Temescal Valley, mouth of Indian Canyon, 15 fwy x Indian Truck Trail., CNDDB EO# 8 (probable Type Locality for Allium munzii), Sycamore Creek housing development site. 381 Comment
  RSA770513  Allium munzii S. Mashayekhi, Steve Boyd, D. Buck, J. Mendosa 2010-4-22 SM 047 Riverside Top of Estelle Mt. Drainage to Dawson Canyon Comment
  RSA770516  Allium munzii S. Mashayekhi, Steve Boyd, M. Biabani 2008-4-15 SM 012 Riverside East of Elsinore Peak, on clay hill. Comment
  SJSU7104  Allium munzii N. D. Addy 1962-4-16 Riverside by Railroad Canyon Rd c. 4-5 mi E of Elsinore 396 Comment
  RSA70189  Allium parishii F. W. Peirson 1928-4-25 7918 Riverside Western edge of broken country northwest of Cottonwood Springs, southern Mojave Desert. Comment
  RSA751916  Allium peninsulare Scott D. White, Justin M. Wood 2009-5-22 12919 Riverside Old Control Road, above Halfway Spring. 1159 Comment
  UCR218070  Allium peninsulare Steve Boyd 2010-5-23 12276 Riverside Santa Ana Mountains, Elsinore Peak, fuelbreak near summit, just west of communications towers. 1073 Comment
  CAS-BOT-BC475416  Allium praecox Scott D. White; Justin Wood 2008-3-25 11772 Riverside Perris/Elsinore BAsin; Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area 366 Comment
  UCSB38380  Allium praecox Minnich, John 1964-2-29 Riverside Sycamore Canyon, 1/4 mi. off Canyon Crest Drive about 1 mi. south of Pennsylvania Ave.; found about 1/2 mi. above mouth of canyon 365 Comment
  RSA678942  Allophyllum Scott D. White, Michael Honer 2003-6-3 9486 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR193887  Allophyllum A. C. Sanders, Mitch Provance 2008-7-11 35772 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  RSA719474  Allophyllum divaricatum R. E. Riefner Jr. 2005-7-31 05 -573 Riverside Peninsular Ranges Province, Agua Tibia Moutains, SE of Temecula, Cleveland National Forest, Agua Tibia Wilderness, NW slope of Agua Tibia Mountain, ca. 1.5 mi WNW of Woodchuck Rd. 665 Comment
  UC52844  Allophyllum gilioides subsp. violaceum H. M. Hall 1901-7-17 2450 Riverside Tauquitz Valley San Jacinto Mts., Tauquitz Valley 2133 Comment
  RSA95616  Allophyllum glutinosum Verne Grant 1955-5-17 20834 Riverside On crest of Santa Ana Mts near Hwy 74. 811 Comment
  POM47147  Alnus rhombifolia P. A. Munz, I. M. Johnston 1924-7-29 8868 Riverside San Gorgonio Canyon, North of Banning 1067 Comment
  SEINET3079479 Image available Alonsoa linearis A. C. Sanders 1985-5-30 5813 Riverside UCR Botanic Garden, in the bed on the W side of the lath house, grid cell E-7. 366 Comment
  UCR60528  Alopecurus saccatus R. F. Thorne 1973-5-23 43848 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  UCR80284  Alopecurus saccatus F. W. Peirson, P. A. Munz 1922-5-19 s.n. Riverside Menifee Valley 457 Comment
  UC1929325  Amaranthus albus Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10682 Riverside San Jacinto Mountain foothills; Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. Comment
  JOTR35008  Amaranthus fimbriatus La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3110 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  SEINET12764893  Amaranthus fimbriatus Louis C. Wheeler 1966-10-15 8985 Riverside San Jacinto Mountains, by Black Hill, by Pines to Palms Highway.; 0 975 Comment
  RSA709116  Amaranthus hybridus Scott D. White, Justin Wood 2005-10-4 11236 Riverside Cabazon: Smith Creek (a dry wash) at the foot of the San Jacinto Mtns., south of the I-10 Freeway and west of San Gorgonio River. 564 Comment
  UCR111752  Amaranthus palmeri R. Kirkland 1974-7-17 s.n. Riverside Off Hwy 60, toward Ontario Comment
  UCR89729  Amaranthus palmeri J. M. Stewart 1990-9-23 658 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  SD122878  Amaranthus retroflexus Steve Boyd 1985-7-23 1025 Riverside De Luz Road, 8.5 miles west of Rancho California 274 Comment
  UC750627  Ambrosia acanthicarpa Lewis S. Rose 1946-12-24 46308 Riverside 5 mi e Cabazon 441 Comment
  UCR92766  Ambrosia acanthicarpa F. M. Reed 1933-9-20 8087 Riverside San Jacinto Mtns, Garner Valley 1470 Comment
  IRVC730  Ambrosia dumosa R. H. Whittaker, W. A. Niering 1963-5-30 SJ 84 Riverside Above Palm Desert. Sonoran Desert/Santa Rosa mtns 305 Comment
  JOTR30065  Ambrosia dumosa La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1695 Riverside Joshua Tree National Park. Stop # 3 = Near Geology Tour rd., N of Malapai Hill 1219 Comment
  RSA774505  Ambrosia dumosa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4428 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
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May 26 2013
  UCR100206  Ambrosia dumosa B. G. Pitzer 1997-10-19 3361 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  UCR216256  Ambrosia dumosa Mike Bell 2008-3-19 047 Riverside Sonoran (Colorado) Desert, Coachella Valley; 2 miles west of Desert Hot Springs, north of Pierson Blvd. and west of North Indian Canyon Dr. 396 Comment
  UCSB41267  Ambrosia dumosa Cowan, Clark 1978-4-23 Riverside 2.7 mi. (4.3 km.) S on Hwy. 74 from its jct. with Hwy. 111 at Indian Wellls 210 Comment
  UCSB7135  Ambrosia dumosa Hurd, Richard 1956-4-14 Riverside On road to Devils Garden, 3 mi. from Highway 99 Comment
  SEINET10725764  Ambrosia dumosa A. K. Evans 1976-4-13 Evans 5206 Riverside Rocky slopes of Santa Rosa Mountains. Comment
  RSA596675  Ambrosia psilostachya Darin L. Banks, Lauren Raz 1996-11-5 1184 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  UCR115929  Ambrosia psilostachya Mitch Provance 2000-1-8 1805 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411. 305 Comment
  LA203753  Ambrosia salsola F. R. Fosberg; 1932-3-13 8090 Riverside Coachella Valley, Thousand Palms Canyon Comment
  SD229060  Ambrosia salsola Dick Schwenkmeyer 2012-11-6 862 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
  SEINET2030196 Image available Ambrosia salsola Ynez Whilton Winblad 1937-3-21 s.n. Riverside Coachella Valley Comment
  UCR251670  Ambrosia salsola Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 767 Riverside Sonoran (Colorado) Desert, Mecca Hills, Shaver's Well, adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  RSA653237  Ammannia coccinea Mitch Provance 2000-7-4 2103 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  UCR18300  Ammannia robusta A. C. Sanders 1979-10-6 424 Riverside San Jacinto Valley, c. 0.25 mi. west of Bridge Street near its intersection with Gilman Springs Road 427 Comment
  UCR93228  Ammannia robusta A. C. Sanders 1994-7-26 15149 Riverside Santa Ana River at the Mission Blvd/7th street Bridge, W foot of Mt. Rubidoux 240 Comment
  RSA44916  Amorpha fruticosa J. C. Roos 1947-5-10 3614 Riverside 3 miles SE of Console Springs., [Console Springs is in Riverside Co. near present-day Reche Cyn. Rd., ca. 33 d 59.5' N / 117 d 12.7' W. Roos's collection site was probably the wash just above Sunnymead. -S. D. White Mar 2007] Comment
  RSA765305  Amorpha fruticosa Doris Bowers 1972-4-15 1836 Riverside Pulgas Creek Canyon, Rancho California 396 Comment
  SEINET3084380 Image available Amsinckia intermedia C. F. Shutts 1949-3-19 55 Riverside White Tank, Joshua Tree Nat'l Mon. 457 Comment
  CSUSB994  Amsinckia tessellata Becky Brooks 1973-5-26 S. N. Riverside Corona; app. 250 yards N. of Ontario Highway and 100 yards E. of Comptom Ave. North facing slope of small foothills. 228 Comment
  RSA0091430  Amsinckia tessellata B. A. Prigge 1978-3-23 2419 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads. 335 Comment
  RSA0091460  Amsinckia tessellata R. F. Thorne, R. Carolin 1967-3-21 41634 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  RSA782811  Amsinckia tessellata A. C. Sanders, Nathan Moorhatch 2011-3-22 38763 Riverside Powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 473 Comment
  JOTR32429  Amsonia tomentosa La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2162 Riverside Joshua Tree National Park. North Hexie Mountains; large sandy side canyon draining into west Wilson Canyon with smaller braided ephemeral drainages running through 902 Comment
  RSA586309  Anagallis arvensis D. L. Banks, S. D. Boyd 1995-5-3 220 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  SD134507  Ancistrocarphus filagineus Craig Reiser 1991-4-25 Riverside Just S of Harford County Park, S of Daleona Road Comment
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Mar 4 2013
  RSA314396  Andropogon glomeratus R. F. Thorne 1982-10-8 55407 Riverside San Bernardino Mountains: about 3.2 miles north of Whitewater Post Office 595 Comment
  UCR97751  Androstephium breviflorum Michael D. Wilcox, Stephen J. Myers 1995-5-27 s.n. Riverside NE Colorado Desert, Cadiz Valley near the San Bernardino Co. line 270 Comment
  RSA708156  Anthriscus caucalis Scott D. White, Angelia Carey 2004-4-16 10189 Riverside Indian Creek and adjacent slopes. 549 Comment
  JEPS83426  Antirrhinum coulterianum David M. Thompson 1983-5-10 300 B Riverside Lake Elsinore Elsinore Quad. (7.5', 1953) (Railroad Canyon road) 548 Comment
  POM244785  Antirrhinum coulterianum E. C. Jaeger 1938-5-14 s.n. Riverside Covington Flats, Joshua Tree National Monument. 1280 Comment
  RSA300463  Antirrhinum coulterianum Walter Wisura 1982-5-29 3825 Riverside Along Pacific Crest Trail, ca. 1.5 miles N from its junction with HWY 74 1463 Comment
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Oct 29 2008
  RSA773107  Antirrhinum coulterianum Duncan S. Bell, Joy D. England 2010-6-14 1299 Riverside San Bernardino National Forest: Garner Valley, approximately 2.3 air miles south east of junction of forest service road 6S04 and forest service road 6S13. 1393 Comment
  UCR213527  Antirrhinum coulterianum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38368 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR233157A  Antirrhinum filipes Jim Andre, Glenn L. Clifton 2011-2-22 17455 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  RSA757449  Antirrhinum nuttallianum Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55228 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta 730 Comment
  UCR108792  Antirrhinum nuttallianum Heidi A. Haid 1969-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  POM128366  Apiastrum angustifolium Thos Craig 1927-4-23 203 Riverside Glen Ivy. Comment
  UCR130850  Apium graveolens S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  POM20025  Apium graveolens Mary F. Spencer 1923-6-5 2205 Riverside Saboba Hot Springs. 518 Comment
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Apr 1 2013
  RSA0123371  Apocynum cannabinum Duncan S. Bell, Thomas Stoughton 2016-4-14 9303 Riverside Santa Rosa Mountains; eastern drainage of Asbestos Mountain; at a spring in Carrizo Creek approximately 1 air mile north of Black Hill. 758 Comment
  RSA575846  Apocynum cannabinum Steve Boyd 1982-11-2 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of Estelle Creek and Temescal Creek, at the northern end of the entrenched meander of Temescal Creek at the western base of Estelle Mountain 329 Comment
  SD144082  Apocynum cannabinum G. Ballmer, K. Stockwell 1996-6-1 Riverside E of Murrieta: Warm Springs Creek ca. I(c) way between Murrieta Hot Springs Rd. and Los Alamos Rd. 366 Comment
  SEINET1908447  Arabis glabra A. C. Sanders, Mitch Provance 2008-1 35821 Riverside Peninsular Range; San Jacinto Mtns,: Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trials, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station. 1450 Comment
  RSA482605  Arabis perennans E. C. Jaeger s.n Riverside Lower Tahquitz Valley, San Jacinto Mts. 1768 Comment
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Nov 5 2011
  UC1007235  Arabis pulchra P. A. Munz 1940-3-24 15709 Riverside 2 mi n Cottonwood Springs; Eagle Mts. 914 Comment
  POM202933  Arceuthobium campylopodum Louis C. Wheeler 1931-10-4 242 Riverside San Jacinto Mountains. Strawberry Valley. 1585 Comment
  RSA629353  Arctostaphylos glandulosa Jon E. Keeley 1978-9-16 7260 Riverside On Twin Pines Ranch Road off Highway 243. Comment
  RSA629412  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19503 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629447  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20174 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 4 km south of Pinyon Pines, Santa Rosa Mountains. 1430 Comment
  CAS-BOT-BC23118  Arctostaphylos glandulosa subsp. glandulosa W. Pequenat 1940-4-13 s.n. Riverside Bedford Road, Santa Ana Mts. 853 Comment
  RSA629391  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Jon E. Keeley, Robert Goar 1992-8-11 19517 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629428  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16850 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA59195  Arctostaphylos glandulosa var. adamsii Frank W. Gould 1943-4-18 2134 Riverside 8 miles east [NW] of Idyllwild Comment
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Sep 29 2011
  RSA631815  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21806 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  UCR112403  Arctostaphylos glauca A. C. Sanders, Mitch Provance, E. J. Lawlor 2000-1-23 23314 Riverside Lake Skinner area, summit of Black Mtn. 915 Comment
  RSA5600  Arctostaphylos glauca var. eremicola C. B. Wolf 1932-10-12 4294 Riverside Above Pinyon Well, Little San Bernardino Mts. 1220 Comment
  POM259130  Arctostaphylos parryana subsp. desertica P. A. Munz 1938-8-14 15376 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2287 Comment
  RSA633559  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21785 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  POM367428  Arctostaphylos pringlei subsp. drupacea Albert J. Perkins 1916-9-14 s.n. Riverside Idlewild Comment
  RSA50294  Arctostaphylos pringlei subsp. drupacea E. K. Balls 1949-5-4 13480 Riverside on highway to Idyllwild, 2 miles from junction with palms to Pines Highway, San Jacinto Mts. 1372 Comment
  RSA635689  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16603 Riverside Hwy 371 & Burnt Valley Rd. San Jacinto Mtns. 1250 Comment
  RSA652424  Arctostaphylos pringlei subsp. drupacea Jack Starnes 1949-4-15 s.n. Riverside Colected San Jacinto Mts. Near [Idyllwild]. 1524 Comment
  UC193039  Arctostaphylos pringlei subsp. drupacea S. B. and W. F. Parish June 1882 936 Riverside San Jacinto Mt. Comment
  POM367447  Arctostaphylos pungens Albert J. Perkins 3303 Riverside Idyllwild region Comment
  RSA635774  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16584 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  UCR23648  Arctostaphylos pungens John C. Roos 1943-5-23 2652 Riverside S Mojave Desert, Little San Bernardino Mtns 1524 Comment
  RSA636022  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18797 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  UCR194827  Arctostaphylos rainbowensis Scott D. White, J. Wood 2007-4-16 11654 Riverside Peninsular Range, near Rainbow Valley, mountains west of I-15 Fwy and immediately north of San Diego County boundary 579 Comment
  RSA36551  Arenaria macradenia Sara M. Schenck 1941-6-15 s.n. Riverside Black Springs wash, Joshua Tree National Monument. 1220 Comment
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Feb 24 2013
  RSA66307  Argemone munita subsp. munita F. W. Peirson 1925-5-20 6015 Riverside Burned area in chaparral, 1 mile northwest of Dripping Spring, W. Riverside Co. 457 Comment
  RSA0027581  Aristida adscensionis Kristin Forgrave, April Garbat, Deidre Conocchioli 2013-8-13 36 Riverside Sonoran Basin & Range. Chuckwalla Valley: From Blythe, Ca, head west on 1-10 for 23 miles. Exit at Ford Dry Lake, turn left to cross back over the interstate and turn right on Chuckwalla Valley Rd., Site is 1.5 miles down on south side of road, near intersection of Graham Pass Rd (unpaved). 120 Comment
  SBBG57071  Aristida adscensionis M. N. Ackley -Mar-1928 51 Riverside Colorado Desert 60 Comment
  SD224791  Aristida adscensionis G. K. Helmkamp, E. A. Helmkamp 1998-2-5 2676 Riverside Little San Bernardino Mtns. 3.2 mi. N. of jct of Thousand Palms Canyon Rd. & Dillon Rd. 456 Comment
  SEINET3223161 Image available Aristida adscensionis George Helmkamp 1995-3-16 Riverside Colorado Desert; desert pavement on alluvial fan below rocky slopes of Coxcomb Mountains, W of Rice Road, 10.3 miles NE of Desert Center. 200 Comment
  JOTR00870  Aristida adscensionis Sipe, Frank 1958-3-10 277 Riverside Joshua Tree National Park. PINTO BASIN Comment
  SEINET10836050  Aristida adscensionis Harvey M. Hall 1905-5-1 Hall 5963 Riverside Canons along Colorado River, Colorado Desert. Comment
  UC1922721  Aristida purpurea Naomi Fraga, Lisa Rojas 2005-2-10 1378 Riverside Colorado Desert; Northeastern Colorado Desert region: Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. Comment
  UCSB45623  Aristida purpurea Roos, John; Roos, Lucille 1950-10-21 Riverside Wonderland of Rocks, Little San Bernardino Mtns 1219 Comment
  CAS-BOT-BC137530  Aristida purpurea var. nealleyi Peter H. Raven 1958-5-18 12986 Riverside Pinon Flats, San Jacinto Mountains. Comment
  RSA544392  Aristida purpurea var. parishii Steve Boyd 1991-5-30 6320 Riverside Winchester Valley, SE end of Double Butte, just N of Winchester, 1/2 mile W of Highway 79 457 Comment
  SDSU13499  Artemisia californica W. Miller with C. Mosse 1972-7-20 Riverside Comment
  UC29690  Artemisia douglasiana H. M. Hall 1901-8-1 2633 Riverside south side San Jacinto Mountains 1524 Comment
  SEINET10723671  Artemisia ludoviciana David B. Dunn 1946-8-17 Dunn 2701 Riverside On trail to Taquitz from Taquitz Valley campground. On dry hillside among bracken ferns. Comment
  RSA125971  Artemisia ludoviciana subsp. albula E. K. Balls, Percy C. Everett 1957-11-4 22747 Riverside Snow Creek, near old Fish Hatchery and through wash. 701 Comment
  LA202957  Artemisia tridentata subsp. tridentata Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside near Lake Hemet, Palms to Pines Highway Comment
  SD204767  Arundo donax Sarah J. De Groot, J. Mark Porter 2006-3-14 5205 Riverside North base of San Jacinto Mountains, west of Highway 111, just east of Snow Creek Road. Comment
  SEINET3081968 Image available Asclepias albicans Andrew C. Sanders, Charlton, Pitzer, Stewart, et al. 1986-3-2 6060 Riverside Graham Pass, between the Chuckwalla and Little Chuckwalla Mountains. 503 Comment
  RSA401650B  Asclepias californica Gale Sphon 1959-5-2 326 Riverside Horsetheif Canyon, Elsinore Mountains. Comment
  SEINET3081981 Image available Asclepias californica M. M. Thompson 1947-6-9 C 2060 Riverside Los Alamos Canyon, Elsinore 762 Comment
  SBBG14403  Asclepias erosa E. R. Blakley 1961-9-12 4706 Riverside 20 mi W of Blythe at wash crossing of US Hwy 60-70 106 Comment
  CLARK-A1528-124  Asclepias mexicana John C. Roos 1951-10-24 5333 Riverside Riverside 228 Comment
  OBI35669  Asclepias subulata Louis B. Ziegler 1967-4-15 125 Riverside Coachella Valley 30 Comment
  SEINET10779844  Asclepias subulata Mrs. B. L. Clary 1931-5-3 Clary 177 Riverside Box Canyon, Colorado Desert Comment
  UC218669  Aspidotis californica Munz and Harwood 1920-2-28 3236 Riverside 2 mi se Corona 274 Comment
  UCR16717  Aspidotis californica Dave Baasch 1972-2-5 720205- 01 Riverside Santa Ana Mountains, De Luz Creek, 5 mi NE of De Luz on Murrietta-De Luz Road 213 Comment
  RSA417618  Aster alpigenus var. andersonii Anstruther Davidson 1876-7-7 s.n. Riverside Strawberry Valley. Comment
  UCR92306  Aster subulatus Scott D. White 1994-10-17 2484 Riverside Temecula Valley, Temecula, Murrieta Creek channel, 1000 ft. north of bridge at Rancho California Ave. 311 Comment
  UCR214564  Astragalus aridus A. C. Sanders 2010-3-15 37408 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UCR33595  Astragalus aridus Sears 1978-3-16 837 b Riverside Sonoran (Northern Colorado) Desert, 12 mi NW of Midland, 3 mi SW of Rice in sand dunes 244 Comment
  RSA0025521  Astragalus bernardinus John F. Emmel 1986-4-12 996 Riverside Little San Bernardino Mtns: upper Berdoo Canyon. Locality also includes Quarter S 1/2. Section 31, Township 3S, Range 9E. 1372 Comment
  SBBG3169  Astragalus crotalariae H. and M. Dearing 1940-1-1 4064 Riverside NE end of Salton Sea Comment
  RSA642086  Astragalus douglasii var. parishii Orlando Mistretta, Mark Elvin 1995-6-19 1777 Riverside Highway 74. 1418 Comment
  UC597722  Astragalus douglasii var. parishii Philip A. Munz 1937-5-30 15138 Riverside Santa Rosa Peak Santa Rosa Peak (on dry benches) 2346 Comment
  UC862682  Astragalus douglasii var. parishii I. W. Clokey, E. G. Anderson 1935-8-21 6718 Riverside e Keen Camp P.O.; e of Keen Camp P.O. 1350 Comment
  HSC85262  Astragalus gambelianus Steve Boyd 1986-4-22 1754 Riverside Temescal Canyon: Benches of Indian wash just S of Hwy. 15 Comment
  UCR127566  Astragalus gambelianus A. C. Sanders, T. B. Salvato 2003-5-21 26791 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR214304  Astragalus gambelianus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38400 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR90390  Astragalus gambelianus D. L. Banks, Steve Boyd 1995-5-9 320 Riverside NW Palomar Mtns., N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground 732 Comment
  CAS-BOT-BC187158  Astragalus lentiginosus var. coachellae Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-23 6488 Riverside Chuckwalla Valley, 9.5 miles northeast of Desert Center 167 Comment
  SD204885  Astragalus lentiginosus var. coachellae Sarah J. De Groot, J. Mark Porter 2006-3-14 5197 Riverside North foot of San Jacinto Mts. Between Snow Creek Road and Highway 111. 366 Comment
  UCR144409  Astragalus lentiginosus var. coachellae Scott D. White 2001-4-18 8367 Riverside Sonora (Colorado) Desert, Coachella Valley. Palm Springs, northeast corner of 30th Avenue and Devall Street 101 Comment
  UCR208172  Astragalus lentiginosus var. coachellae I. M. Johnston 1917-4-4 s.n. Riverside Whitewater, around [train] station 345 Comment
  CLARK-A1528-453  Astragalus lentiginosus var. fremontii Howard Towner 1965-4-3 6504034 Riverside Palm Springs Comment
  RSA769653  Astragalus pachypus var. jaegeri Duncan S. Bell, Naomi Fraga 2010-4-22 854 Riverside San Bernardino National Forest: Rouse Ridge, 1.6 air miles south east of junction of Highway 74 and forest service road 5S15. 841 Comment
  UCR262560  Astragalus pachypus var. jaegeri James Hughes 2015-6-19 s.n. Riverside San Jacinto Mountains, Rouse Ridge, along FS Rd. 5S15/Rouse Hill Truck Trail c. 4 road miles south of Cranston Guard Station 893 Comment
  CAS-BOT-BC192763  Astragalus palmeri Nancy Ryan Zabriskie; Walter Zabriskie 1972-4-9 513 Riverside Northwest of road above Riv 72, 81.72 marker, Deep Canyon drainage, Santa Rosa Mts. 1219 Comment
  RSA202707  Astragalus palmeri Marcus E. Jones 1933-4-2 s.n Riverside Palms to Pines Road, S of Coachella Valley. 1067 Comment
  SBBG3267  Astragalus palmeri H. and M. Dearing -- Riverside Palms to Pines Hwy Comment
  RSA90640  Astragalus palmeri F. W. Peirson 1921-3-21 4751 Riverside Gordon Trail, E slope of San Jacinto Mts. 1220 Comment
  CAS-BOT-BC27822  Astragalus pomonensis Marcus Eugene Jones 1882-4-24 3166 Riverside San Jacinto Comment
  RSA25610  Astragalus pomonensis C. B. Wolf 1941-6-29 10926 Riverside 2 4/10 mi. W of Dripping Springs Forest Service Camp on Rd. between Aguanga & Temecula. 457 Comment
  RSA415661  Astragalus pomonensis Anstruther Davidson 1892-5-23 s.n Riverside Banning. Comment
  UCR139183  Astragalus pomonensis Virginia Moran 2003-4-23 s.n. Riverside March Air Force Base, west of I-215, in vegetation sampling plot set up by Center for Natural Lands Management 488 Comment
  UCR150014  Astragalus pomonensis Scott D. White, Angelia Carey 2004-4-16 10161 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  CLARK-A1528-5528  Astragalus tricarinatus John C. Roos 1967-3-25 Riverside Whitewater Canyon 457 Comment
  SD138871  Astragalus tricarinatus Craig Reiser 1994-5-13 Riverside Big Morongo Canyon, Riverside Canyon; east of the Coachella Valley Comment
  RSA482218  Athyrium filix-femina Richard Noyes, L. Arnseth 1988-9-11 738 Riverside San Jacinto Mountains: Lake Fulmor, 6 air miles northwest of Idyllwild. 1616 Comment
  RSA692515  Athyrium filix-femina subsp. cyclosorum H. de Forest 18339 Riverside Idyllwild. Comment
  UCSB11774  Athyrium filix-femina var. cyclosorum 1961-8-5 Riverside Along Fuller Mill Creek where it crosses Riverside Highway 1; San Jacinto Mtns 1645 Comment
  RSA552696  Athysanus pusillus Steve Boyd 1992-2-26 6704 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCR207358  Athysanus pusillus O. F. Clarke 1997-3-8 s.n. Riverside Peninsular Range, Box Springs Mtns., east edge of Riverside, along Box Springs Mtn. Rd. 668 Comment
  JEPS35951  Atrichoseris platyphylla W. L. Jepson 1927-4-12 11660 Riverside Painted Canyon Mecca Hills, Painted Canyon Comment
  UCR279345  Atrichoseris platyphylla A. C. Sanders, Jim Malusa 2017-3-23 42943 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
  UCR274536  Atriplex argentea Mitch Provance, Ken Halama 2003-6-15 17045 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  UCR201824  Atriplex argentea subsp. expansa Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  RSA125859  Atriplex canescens E. K. Balls, P. C. Everett 1957-11-6 22790 Riverside 0.5 miles north of junction Hwy. 79 and road to Coahuila. 655 Comment
  LA204703  Atriplex canescens var. laciniata Raymond B. Cowles; 1936-11-29 sn Riverside Indian Wells Comment
  UCR228185  Atriplex canescens var. macilenta Dave Silverman 2010-3-24 7827 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 4.5 km southeast of Sidewinder Well, 2.3 km SW of Palen Dunes Dr., and 4.2 km north of Interstate 10 128 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
  UCR120538  Atriplex davidsonii D. E. Bramlet 2000-5-12 3037 Riverside 381 m south of the Ramona Expressway and 107 m east of the San Jacinto Rivre levee & 656 m north of the MWD maintenance road 431 Comment
  UCR68039  Atriplex davidsonii D. E. Bramlet 1991-5-2 3012 Riverside San Jacinto Valley, 20m south of Setson Road at the intersection of Setson Road and California Avenue; c. 200m west of the MWD canal. Comment
  CAS-BOT-BC354030  Atriplex elegans var. elegans R. E. Riefner, Jr. 2013-8-17 13 -192 Riverside City of Lake Elsinore, along Collier St. E ca 0.2 mi from Hwy. 74, near storage shed 394 Comment
  UCR18118  Atriplex elegans var. fasciculata A. C. Sanders 1978-4-2 0274 Riverside Sonoran (Colorado) Desert, Coachella Valley near Indio, intersection of Hwy 111 and Washington St. 30 Comment
  LA204674  Atriplex hymenelytra F. R. Fosberg; 1932-3-13 8087 Riverside Coachella Valley, Thousand Palms Canyon Comment
  SEINET4135126  Atriplex hymenelytra Howard C. Stutz 1988-1-6 94549 Riverside 12 mi. N of Desert Center.; 0 Comment
  UCR148300  Atriplex hymenelytra 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
  UCSB23597  Atriplex hymenelytra Shaw, Merrilee 1964-4-5 Riverside State Highway 195, 7.3 miles NE of junction with State Highway 111 at Mecca 106 Comment
  SEINET4135552  Atriplex polycarpa Howard C. Stutz 1977-11-18 8194 Riverside Indio, CA.; 0 Comment
  UCR279577  Atriplex polycarpa A. C. Sanders, Jim Malusa 2017-3-28 43136 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  RSA586139  Avena barbata D. L. Banks 1995-4-11 182 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the Dripping Springs Trail., 33 deg 26' 40''N-116 deg 58' 39''W. 829 Comment
  UCR180586  Avena barbata Scott D. White, Angelia Carey 2004-4-5 9994 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR108875  Avena sativa Heidi A. Haid 1968-5-14 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR17720  Baccharis brachyphylla 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
  RSA342544  Baccharis emoryi R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54086 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  RSA350336  Baccharis emoryi L. C. Wheeler 1933-12-2 2311 Riverside Santa Ana River at Chino Creek 152 Comment
  CLARK-A1528-1626  Baccharis glutinosa John C. Roos 1949-9-21 4664 Riverside Reche Canyon 457 Comment
  IRVC529  Baccharis glutinosa Polly Brecht 1965-4-24 s.n. Riverside Upper San Juan Creek Camp, Ortega Highway. Santa Ana Mountains Comment
  RSA0014780  Baccharis glutinosa Ivan Johnston 1917-4-4 s.n. Riverside Palm Canyon. 304 Comment
  RSA463261  Baccharis pilularis L. F. LaPre, Jack Easton 1988-1-12 s.n. Riverside Mesa de la Punta, Santa Rosa Springs Ranch. 610 Comment
  CLARK-A1528-7788  Baccharis salicifolia John C. Roos 1947-3-15 3331 Riverside Dos Palmas Spring Comment
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Oct 23 2015
  POM153358  Baccharis salicifolia Philip A. Munz, I. M. Johnston 1928-9-6 11237 Riverside Morongo Creek, Colorado Desert 610 Comment
  RSA93205  Baccharis salicifolia F. W. Peirson 1920-6-23 8663 Riverside Temecula River. 854 Comment
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Mar 15 2017
  UC511837  Baccharis salicifolia subsp. salicifolia Frank W. Peirson 1933-4-15 10654 Riverside 4 1/2 mi above bridge; Whitewater River 701 Comment
  UCR4362  Baccharis salicina O. F. Clarke 1970-10-28 s.n. Riverside Riverside, Botanic Gardens of the University of California, Riverside 396 Comment
  RSA709113  Baccharis sarothroides Scott D. White, Justin M. Wood 2005-9-27 11231 Riverside San Gorgonio Pass: Cabazon: Alluvial benches and braided dry channels south of Interstate 5 [I-10] and west of San Gorgonio River. 579 Comment
  SD60246  Baccharis sarothroides Carl B. Wolf 1932-10-12 4297 Riverside Pinyon Well, Little San Bernardino Mountains 1220 Comment
  UC1010322  Baccharis sarothroides John and Lucille Roos 1950-10-28 5021 Riverside near Box Springs 472 Comment
  UCR125437  Bacopa monnieri A. C. Sanders, P. J. MacKay, D. L. Sanders 2003-2-9 25683 Riverside Sonoran (Colorado) Desert, Coachella Valley, 84th Ave. east of Johnson St., near west edge of Salton Sea -67 Comment
  CAS-BOT-BC295902  Bahiopsis parishii H. M. Hall 1902-4-1 2783 Riverside Western borders of the Colorado Desert. Coyote Canyon 152 Comment
  LA31363  Bahiopsis parishii Jane Turner; Barbara Whitesel, Virginia Sjaholm 1959-3-21 C- 178 Riverside Morongo Wash Comment
  POM182202  Bahiopsis parishii Philip A. Munz 1932-4-24 12387 Riverside San Jacinto Mountains: Snow Creek Canyon 457 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
  UCR42403  Baileya pleniradiata J. M. Stewart 1986-3-3 86- 15 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, east of Desert Center, east of the dry lake south of Palen Dry Lake Comment
  CAS-BOT-BC16366  Barbarea orthoceras Steve Boyd 1992-4-14 6793 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail. 853 Comment
  CHSC109244  Barbarea orthoceras Scott D. White; Justin M. Wood 2008-6-18 12232 Riverside San Jacinto Mountains: K Flat Meadow. 1439 Comment
  POM122201  Bebbia juncea Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  POM42384  Bebbia juncea Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA450419  Bebbia juncea J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
  RSA784947  Bebbia juncea Duncan S. Bell 2012-2-12 3125 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR143338  Bebbia juncea I. W. Clokey 1935-4-17 6966 Riverside Sonoran (Colorado) Desert, Shavers Well 274 Comment
  UCR92620  Bebbia juncea Scott D. White 1995-8-23 3568 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  CAS-BOT-BC100115  Bebbia juncea var. aspera P. Munz; L. Street 1919-5-7 2738 Riverside Tahquitz [Canon] Canyon Comment
  JEPS108702  Bebbia juncea var. aspera R. Kobaly, A. Singer, C. Spurrier, D. Thompson, M. J. Way, J. Willouby 2001-6-12 1 Riverside San Gorgonio Wilderness, Whitewater Canyon, 4.8 km N of Hwy 10 570 Comment
  UCR244893  Bebbia juncea var. aspera Jim Andre 2012-3-19 21373 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 7.1 mi. east of Hwy 177 321 Comment
  SEINET238479 Image available Bergia texana A. C. Sanders, Mitch Provance 1999-9-26 23132 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd. 1.4 mi. S of Eden 433 Comment
  UCR123867  Bernardia myricifolia Steven R. Hill 2001-5-3 33696 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
  POM78906  Berula erecta I. M. Johnston 1925-7-19 5332 Riverside Pedley-Arlington Road. Comment
  POM4976  Bidens laevis Geo. R. Hall 1905-1 s.n. Riverside Riverside Comment
  RSA619551  Bloomeria crocea Darin L. Banks 1997-5-5 1999 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  RSA0128828  Boechera P. A. Munz, D. M. Johnston 1922-5-20 5493 Riverside Kenworthy. 1433 Comment
  CAS-BOT-BC16090  Boechera californica H. M. Hall 1901-6-1 s.n. Riverside San Jacinto Mountains. Near Tahquitz. 2286 Comment
  CAS-BOT-BC16091  Boechera californica H. M. Hall 1897-6-17 653 Riverside South side of the San Jacinto Mountains. 1676 Comment
  POM49150  Boechera californica P. A. Munz 1924-5-18 8136 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  LA204241  Boechera xylopoda L. Haines; L. Erickson 1937-4-10 Riverside Palms to Pines Highway near road to Shumay Comment
  RSA69608  Boerhavia coccinea F. W. Peirson 1922-12-28 5218 Riverside Andreas Canyon, east base of San Jacinto Mts. 244 Comment
  SD129258  Boerhavia coccinea A. C. Sanders 1989-9-19 9510 Riverside Chocolate Mountains Aerial Gunnery Range: 1.75 km (airline) south of Tabaseca Tank, along the wash above Tabaseca Target, along wash. UTM: 11S PH-35E, 07N 680 Comment
  UCR215584  Boerhavia coccinea Tasha La Doux, Jim Andre 2008-9-16 338 Riverside Mojave Desert, Joshua Tree National Park, c. 0.3 mi. NW of Indian Cove Campground 934 Comment
  CAS-BOT-BC540845  Boerhavia coulteri var. palmeri Sarah J. De Groot; Amy Rouillard 2015-9-15 7577 Riverside Along Eagle Mountain Rd N of I-10, at large wash crossing. W of Desert Center, western Chuckwalla Valley 313 Comment
  CAS-BOT-BC502087  Boerhavia triquetra A. C. Sanders; Jim Malusa 2015-9-10 41849 Riverside Sonoran (Colorado) Desert: Salt Creek Canyon, along Summit Rd c. 1.5 mi above mouth of Red Canyon, edge of Chocolate Mtns Aerial Gunnery Range 433 Comment
  POM258904  Boerhavia triquetra E. C. Jaeger 1939-12-3 s.n. Riverside Orocopia Mts. 366 Comment
  UCR211497  Boerhavia triquetra Jim Andre, T. La Doux 2008-9-13 10264 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177 (NW side), southeast end of Coxcomb Mountains, east boundary of Joshua Tree National Park 161 Comment
  OBI29475  Boerhavia wrightii David J. Keil, Melissa Luckow 1979-8-31 13148 Riverside Jctn of Box Cyn Rd and I-10 just S of exit ramp at wash crossing Comment
  RSA0027474  Boerhavia wrightii Deidre Conocchioli, Billy Sale, Naomi S. Fraga 2013-9-25 52 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  RSA0121007  Boerhavia wrightii Duncan S. Bell, LeRoy Gross 2016-3-8 8826 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.75 air miles north of the Bradshaw Trail. 466 Comment
  SEINET10389837  Boerhavia wrightii A. C. Sanders, Jim Malusa 2015-9-10 41867 Riverside Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  UC2026380  Boerhavia wrightii Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10051 C Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  CLARK-A1528-4502  Bothriochloa barbinodis John C. Roos 1946-9-14 3027 Riverside Santa Rosa Mountains 1158 Comment
  RSA575738  Bouteloua aristidoides S. J. Darbyshire, J. Cayouette 1994-9-17 4637 Riverside Chuckwalla Valley 30 mile E [of] Desert Center, Highway 10 rest area. 90 Comment
  RSA676040  Bouteloua aristidoides Scott D. White 2001-4-17 8339 Riverside SONORAN DESERT: Shaver's Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freewayexit accessing pump station. 457 Comment
  CLARK-A1528-4512  Bouteloua barbata John C. Roos 1946-9-14 3025 Riverside San Jacinto Mountains 1219 Comment
  POM294728  Bouteloua barbata Lyman Benson 1945-11-11 11961 Riverside Palm Springs. -30 Comment
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Apr 25 2011
  SEINET4565925  Bouteloua barbata Duncan S. Bell 2011-10-22 2991 Riverside Sonoran (Colorado) Desert; Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  UCD56875  Bouteloua curtipendula F. M. Reed 1933-1 10014 Riverside Santa Rosa Mts. Santa Rosa Indian Reservation. Comment
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Mar 16 2014
  RSA463718  Boykinia rotundifolia F. C. Vasek 1987-7-14 870714 -1 Riverside Vista Grande Road (3508) 1.0 mi. E of Banning-Idyllwild Road (SH243). Comment
  CLARK-A1528-5666  Brandegea bigelovii John C. Roos 1960-4-8 Riverside 380 Comment
  OBI8337  Brandegea bigelovii David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12059 Riverside Along Box Cyn Rd ca 20 mi ENE of Mecca in Orocopia Mts 274 Comment
  UC750617  Brandegea bigelovii Lewis S. Rose 1946-12-27 46311 Riverside Dead Indian Creek Wash, Palms to Pines Highway Dead Indian Creek Wash 274 Comment
  JOTR31848  Brassica tournefortii La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2106 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA184044  Brassica tournefortii I. L. Wiggins, Dorothy B. Wiggins 1966-2-22 20462 Riverside Hwy 60, 1.5 miles SE of Garnet Hill. Comment
  RSA667035  Brassica tournefortii A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24916 Riverside The Badland: hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont. 610 Comment
  RSA674570  Brassica tournefortii Scott D. White 2000-5-3 7765 Riverside Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly S of Red Hawk subdivision. 351 Comment
  CLARK-A1528-1656  Brickellia arguta John C. Roos 1948-5-1 3813 Riverside Whitewater Comment
  RSA621892  Brickellia californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3679 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  CLARK-A1528-1669  Brickellia desertorum John C. Roos 1950-9-30 4994 Riverside Box Springs Mountains 457 Comment
  RSA643100  Brickellia nevinii Orlando Mistretta 1992-8-31 s.n. Riverside Santa Ana Mountains; Sierra Peak; Cleveland National Forest. Astragalus brauntonii survey. 701 Comment
  RSA507463  Brickellia oblongifolia var. linifolia Kathy Harper 1988-5-14 s.n. Riverside San Jacinto/Santa Rosa Mountains, Canyon Drive at Alpine Village, off Hwy 74. Comment
  RSA343861  Brodiaea terrestris subsp. kernensis Robert F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60643 Riverside Santa Rosa Plateau: Mesa de Colorado 625 Comment
  UCR104641  Brodiaea terrestris subsp. kernensis D. E. Bramlet 1993-5-4 2336 Riverside Peninsular Range; Gavilan Hills area, Monument Peak Valley. 762 m NW of Monument Peak and 76 m north of the E-W tending dirt road that is between Black Rocks and Monument Peak. 1.2 km SW of the 'bend' (Sec.17) area of Cajalco Rd. 488 Comment
  RSA682175  Bromus berteroanus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky, Timothy S. Ross 2003-4-17 10455 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UC2015537  Bromus berteroanus A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16168 Riverside Coachella Valley/San Jacinto Mtns. Foothills, N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 miles above Highway 111 (Palm Canyon Dr.) Comment
  RSA516966  Bromus carinatus A. C. Sanders 1989-4-30 9068 Riverside Riverside. Comment
  SEINET799033  Bromus carinatus John & Lucille Roos, Lucille Roos 1954-1 6122 Riverside Canyon 1 mile SE of summit of Reche Canyon 685 Comment
  UCR137360  Bromus carinatus 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
  UCR2204  Bromus carinatus F. M. Reed 1920-6-14 4415 Riverside San Jacinto Mountains, ['Sheer'?] meadows along Strawberry Creek [at Idyllwild] 1616 Comment
  UC37668  Bromus carinatus var. carinatus H. M. Hall 1901-7-19 2462 Riverside San Jacinto Mountains, Tahquitz Valley Tahquitz Valley; San Jacinto Mountains, Tahquitz Valley 2133 Comment
  SDSU13932  Bromus diandrus Michael G. Simpson, Adrienne Russell 2000-4-29 2072 Riverside Rocky ridge, ca. 100 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  UCR27004  Bromus grandis E. W. Lathrop 1966-5-29 6395 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  UCR241251  Bromus hordeaceus T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1207 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  POM363886  Bromus hordeaceus N. C. Cooper 1944-4-22 1113 Riverside Banning. 732 Comment
  UCD58931  Bromus laevipes A. A. Beetle 1946-6-10 4392 Riverside San Jacinto Mt., San Jacinto Mts. Near Idylewilde. 1219 Comment
  JOTR37493  Bromus madritensis subsp. rubens Hodges, Stephen R. 2016-4-6 622 Riverside Joshua Tree National Park. Quail Mountain Complex, In winding wash ascending towards Quail Mountain and Minerva Hoyt peak from Johnny Lang Canyon Comment
  SD137962  Bromus madritensis subsp. rubens Darin L. Banks 1995-4-11 173 Riverside Cleveland National Forest; Agua Tibia Wilderness Area; north slope of Agua Tibia mountain; east of the Dripping Springs Alcove area, along the Dripping Springs trail 950 Comment
  SDSU14007  Bromus madritensis subsp. rubens Dinna Estrella, M. G. Simpson 2002-4-20 18 Riverside Santa Margarita Ecological Reserve. Loop trail, ca. 1/4 mile east of Northside field station. 335 Comment
  CLARK-A1528-4547  Bromus orcuttianus John C. Roos 1942-6-20 994 Riverside San Jacinto Mountains Comment
  CLARK-A1528-4553  Bromus rubens John C. Roos 1952-4-2 5465 Riverside Box Springs 426 Comment
  POM10016  Bromus rubens C. F. Baker 1909-05 s.n. Riverside Riverside. Comment
Read comments
Jun 30 2012
  RSA0034583  Bromus rubens Bonnie C. Templeton, I. W. Clokey 1930-4-9 1008 Riverside North of Palm Springs. Colorado Desert. 305 Comment
  UCR228917  Bromus tectorum A. C. Sanders 2011-4-6 39002 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UCD59904  Bromus tectorum var. glabratus A. A. Beetle 1942-4-22 3182 Riverside Rt. 60 and 70, 5 miles east of Shavers Summit. Comment
  UC816450  Bromus trinii C. L. Hitchcock 1940-4-2 5924 Riverside Joshua Tree National Monument, Cotttonwood Spring wash Joshua Tree National Monument; , Cotttonwood Spring wash Comment
  UCR126328  Caesalpinia gilliesii Mitch Provance 1998-7-23 906 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  JOTR31933  Caesalpinia virgata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2171 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash draining into west Pinkham Wash Comment
  RSA658621  Caesalpinia virgata Nancy J. Mann 1976-4-25 s.n. Riverside Box Canyon, Box Canyon Raod, from I-10 to Mecca. Growing on rocky hillsides abouve road cut. Comment
  UCR256339  Caesalpinia virgata Duncan S. Bell 2012-2-12 3124 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  UCR91292  Calandrinia ciliata Scott D. White, M. Jacobsmeyer 1996-4-20 3976 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  UCR43790  Callitriche heterophylla subsp. bolanderi R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60638 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: along seasonal stream in Cole Canyon, near entrance to the Nature Conservancy Reserve 534 Comment
  RSA234034  Callitriche marginata R. F. Thorne, E. W. Lathrop 1969-5-12 37926 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  UC520287  Calocedrus decurrens Carl Epling 1931-10-3 Riverside Strawberry Valley San Jacinto Mts., Strawberry Valley 1524 Comment
  RSA444479  Calochortus albus J. C. Roos 1960-5-30 s.n. Riverside Ridge between heads of Bedford Canyon and East Fork Ladd Canyon 1220 Comment
Read comments
May 20 2011
  RSA773121  Calochortus concolor Duncan S. Bell, Ryan Parker 2010-6-1 1232 Riverside San Bernardino National Forest: Rouse Ridge, approximately 2.4 air miles southeast of junction of Highway 74 and forest service road 5S15., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 992 Comment
  UCR110925  Calochortus concolor A. C. Sanders, Mitch Provance 1998-6-18 21984 Riverside San Jacinto Mtns., along Hwy 243 c. 1 km below the turnoff to Twin Pines Ranch 1189 Comment
  UCR201434  Calochortus concolor Scott D. White, Justin M. Wood 2008-6-17 12178 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  CAS-BOT-BC488543  Calochortus concolor Philip A. Munz; P. C. Everett 1950-6-23 14907 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains 1402 Comment
  RSA783083  Calochortus nuttallii J. D. Olmsted 1959-7-7 743 Riverside Tahquitz Creek. Tahquitz Valley ENE of Idyllwild. 2378 Comment
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Oct 18 2012
  SD136974  Calochortus splendens Steve Boyd, Tim Ross 1992-5-4 7199 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Oak Flats area east of Verdugo Potrero. 730 Comment
  UCR43207  Calochortus splendens B. G. Pitzer, Karen Kirtland 1986-5-7 0218 Riverside Butterfield Stage Ranch development, in the hills on the north side Pauba Valley, in the Rancho California area, 1 mi south of Buck Mesa on the E side of Butterfield State Road 457 Comment
  CAS-BOT-BC483508  Calochortus splendens C. Epling; J. Ewan 1933-6-1 s.n. Riverside 4 miles above Corona, Temescal Canyon Comment
  POM351399  Calycadenia tenella Christopher Davidson 1977-5-25 5646 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  RSA336171  Calycadenia tenella R. F. Thorne 1978-5-21 52002 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  JOTR16572  Calycoseris parryi Moore, Sue 1968-4-29 s.n. Riverside Joshua Tree National Park. COTTONWOOD CANYON Comment
  UCR80032  Calycoseris parryi Theo Glenn 1991-5-2 91- 13 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  JEPS49003  Calyptridium monandrum Marjorie D. Clary 1932-4-29 895 Riverside Santa Rosa Mountains, Dead Indian Trail Dead Indian Trail; Santa Rosa Mountains, Dead Indian Trail Comment
  SD167060  Calyptridium monandrum A. C. Sanders, T. B. Salvato 2005-4-28 29768 Riverside Peninsular Ranges: Gavilan Hills; north of Santa Rosa Road, 1.0 mile southwest of Ida Leona Mine. 625 Comment
  RSA466602  Calyptridium parryi var. parryi E. C. Jaeger 1921-6-15 s.n. Riverside Strawberry Valley. 1585 Comment
  UCR250201  Calystegia macrostegia A. C. Sanders 2014-4-23 41046 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15 and east of Black Powder Rd. 384 Comment
  SEINET3091119 Image available Calystegia macrostegia subsp. longiloba Ronald M. Cope 1965-3-9 Riverside On north side of where Gage Canal goes underground after having crossed Le Conte Drive. Comment
  RSA394932  Calystegia macrostegia subsp. tenuifolia M. M. Thompson 1947-6-9 C- 2083 Riverside Los Alamos Canyon, Elsinore. 762 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
  RSA0106457  Camissonia bistorta Daphne K. Christopher, Hannah Stevens 2003-4-4 85 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  RSA72279  Camissonia bistorta Robert L. Dressler 1949-7-3 902 Riverside 7 miles south of Lake Elsinore. Sandy field. 427 Comment
  UCR116950  Camissonia bistorta A. C. Sanders, T. B. Salvato 2001-5-3 24122 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  RSA387327  Camissonia boothii subsp. condensata Aaron Liston, T. S. Elias, O. R. Dorado, S. Zona 1986-11-29 642 -1 Riverside Colorado Desert. West of Chiriaco Summit. Comment
  RSA465962  Camissonia boothii subsp. condensata E. C. Jaeger 1922-3-22 s.n. Riverside Murray Canyon, Near Palm Springs. Comment
  UCR260830  Camissonia brevipes A. C. Sanders, Jim Malusa 2015-3-11 41399 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road south of junction with road to Observation Point Slats, c. 3.9 miles south of the Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 674 Comment
  RSA719271  Camissonia brevipes Michael Honer, L. Hulse 2004-4-3 1898 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O Neal Canyon. 610 Comment
  RSA136653  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-3-1 11751 Riverside Colorado Desert. Alluvial plain near Colorado River, along US Highway 95, 35.8 miles north of Blythe. Comment
  UCR83193  Camissonia californica A. C. Sanders 1994-5-15 14484 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  UCR85175  Camissonia californica A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16095 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  CLARK-A1703-1257  Camissonia cardiophylla Robin L. Kobaly 1977-3-23 Riverside Box Canyon Comment
  UCR217795  Camissonia chamaenerioides Jim Andre, T. La Doux 2010-2-28 12560 Riverside Lower Colorado River Valley, along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower 83 Comment
  CLARK-A1703-1216  Camissonia claviformis Charlotte Stocks 1963-5-20 Riverside Box Canyon Comment
  RSA781997  Camissonia claviformis Duncan S. Bell 2011-12-30 3033 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  UCR116842  Camissonia claviformis Helen Kennedy, Fred R. Ganders 1980-4-15 4063 Riverside Sonoran (Colorado) Desert, along [Box Canyon] road between Mecca and Hwy. 10 300 Comment
  RSA162859  Camissonia claviformis subsp. aurantiaca John Olmsted 1958-3-29 86 Riverside Transition zone with drainage into Pinto Basin, 15-20miles N of jct betw Cottonwood Pass and Cottonwood Spring Raods, Joshua Tree National Monument. 762 Comment
  RSA448969  Camissonia claviformis subsp. yumae N. R. Zabriskie, Walter Zabriskie 1973-3-19 577 Riverside Triangle formed S of Freeway (I-10), N of Ramon Rd., E of intersection with Bob Hope Dr., N of Palm Desert, Coachella Valley. (Site 19). 61 Comment
  RSA286519  Camissonia confusa John F. Emmel 1979-5-26 632 Riverside Bautista Cyn. Road, near mouth of Bautista Canyon. 610 Comment
  UCR44447  Camissonia confusa A. C. Sanders, B. Pitzer 1986-4-30 6473 Riverside San Jacinto Valley, San Jacinto River Valley at the mouth of Bee Canyon. 610 Comment
  RSA561018  Camissonia graciliflora Steve Boyd, T. S. Ross 1992-5-4 7192 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  POM48988  Camissonia hirtella P. A. Munz, I. M. Johnston 1924-7-29 8847 Riverside Poppet Flat, San Jacinto Mts. 1524 Comment
  SEINET12189027  Camissonia pallida Unknown 1933-1 8047 Riverside Palm Springs Comment
  RSA186574  Camissonia pallida subsp. hallii Peter H. Raven 1962-4-7 17109 Riverside Whitewater Canyon 2.7 miles from U.S. Highway 70-99. Comment
  JOTR37470  Camissonia pallida subsp. pallida Hodges, Stephen, T. Green 2016-5-24 592 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; ascending up wash and slopes towards Mount Minerva Hoyt peak from the east (Stop 2). Comment
  POM3233  Camissonia pallida subsp. pallida I. M. Johnston 1917-4-4 1110 Riverside Palm Canyon, near Palm Springs. Comment
  JOTR31936  Camissonia refracta La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2174 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash with gradual, loose slopes on either side; draining into west Pinkham Wash Comment
  RSA75687  Camissonia refracta F. W. Peirson 1926-1-31 6492 Riverside Dos Palmas [Spring], Colorado Desert. Comment
  SEINET3093223 Image available Camissonia refracta Norman C. Cooper 1949-4-8 3284 Riverside Shaver's Summit east of Indio. 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
  RSA186600  Camissonia strigulosa Peter H. Raven 1958-5-18 12973 Riverside Hemet Meadows, San Jacinto Mountains. Comment
  RSA700017  Camissonia strigulosa Scott D. White, Michael Honer 2003-4-4 8935 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UC1929982  Camissonia strigulosa Scott D. White, Justin Wood 2008-5-15 11974 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. Comment
  UC354497  Camissonia strigulosa Edmund C. Jaeger 1925-5-10 Riverside Van de Venter's Flat Santa Rosa Mountains 1280 Comment
  UC488994  Camissonia strigulosa C. V. Meyer June 1927 159 Riverside Saunder's Meadow San Jacinto Mts. 1676 Comment
  UCR120168  Camissonia strigulosa Mitch Provance 1998-3-5 187 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  POM9585  Camissonia strigulosa I. M. Johnston 1920-5-8 s.n. Riverside Near Wineville [RR Station] in sand by road. [Wineville = Mira Loma] Comment
  UCR166109  Camissoniopsis A. C. Sanders, N. Ferguson 1994-6-2 14630 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  JEPS31584  Camissoniopsis bistorta W. L. Jepson May 17 1901-Jun 1 1901 1210 Riverside mesas e Riverside 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
  CAS-BOT-BC160539  Camissoniopsis lewisii Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4043 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  UCD103576  Camissoniopsis pallida subsp. pallida Collector Unknown 1923-3-25 300 Riverside Whitewater. 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
  RSA523523  Capsella bursa-pastoris Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3982 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA653195  Cardamine parviflora A. C. Sanders 1995-2-6 15915 Riverside Riverside: UCR campus. 365 Comment
  SEINET7063053  Cardionema ramosissimum A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Temecula and at the junction with Route 395 (115). UTM Zone 11, 485910mE, 3706825mN. (WGS84/NAD83). 308 Comment
  UCR109622  Carduus pycnocephalus R. D. Goeden, Don W. Ricker 1970-3-30 s.n. Riverside Box Springs Mtns., Highgrove, National Orange Co. property beyond E end of Palmyrita Ave. 412 Comment
  UC837260  Carex P. A. Munz 1922-7-6 6040 Riverside summit San Jacinto Peak 3291 Comment
  RSA770448  Carex alma Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4560 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET6654137  Carex athrostachya Scott D. White, Justin M. Wood 2008-6-18 12222 Riverside San Jacinto Mountains, K Flat Meadow.; 0 1433 Comment
  CAS-BOT-BC20709  Carex fracta I. W. Clokey; E. G. Anderson 1935-8-21 6562 Riverside Fuller's Creek. 1500 Comment
  CAS-BOT-BC32038  Carex multicaulis Peter H. Raven 1958-5-17 12964 Riverside San Jacinto Mts., Dark Canyon Camp Ground. Comment
  SBBG59305  Carex multicaulis R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 2133 Comment
  RSA741221  Carex praegracilis Scott D. White, Justin M. Wood 2008-6-5 12088 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  POM49864  Carex sartwelliana Phillip A. Munz 1924-7-27 8758 Riverside Dark Canyon, San Jacinto Mountains 2134 Comment
  UC146414  Carex sartwelliana Charlotte M. Wilder 1909-7-14 918 Riverside above Idylwild (Strawberry creek); San Jacinto Mt. Comment
  SEINET5766016 Image available Cassia armata John F. Emmel 1995-4-21 1365 Riverside Little Maria Mts., northwest end; large canyon and wash 0.4 air mile southwest of peak 2479 on 1952 USGS Midland 15' topographic quadrangle. Comment
  SEINET949244  Cassia eremophila Miles Fellows 1985-1 67 -182 Riverside Cultivated at the UCR Botanical Garden. Comment
  CAS-BOT-BC353427  Castela emoryi B. D. Stark 1929-4-1 1268 Riverside Chuckawalla, Colorado Desert Comment
  RSA783582  Castela emoryi M. Wall, Valentin Arvizu 2011-6-1 604 Riverside North of Desert Center, plants near a power line maintenance road just east of Kaiser Rd. and ca. 5.2 miles north of junction with Rice Rd. (Hwy 177) 197 Comment
  CLARK-A1528-5731  Castilleja affinis John C. Roos 1937-5-10 2075 Riverside Perris Comment
  SEINET3289840 Image available Castilleja applegatei subsp. martinii M. W. Denslow, Firoozeh Navid-Ara; Valerie Soza 2003-7-15 1445 Riverside Peninsular Ranges; San Jacinto Mountains region: Northeast side of Tahquitz Peak, on trail to Saddle Junction. 2637 Comment
  SEINET4096531  Castilleja applegatei var. pinetorum O. M. Clark 1929-1 1947 Riverside South Hemet, southern California. Comment
  JOTR31038  Castilleja chromosa La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1288 Riverside Joshua Tree National Park. Stop 4: Hexie Mountains, Blue Cut Gorge, canyon with sandy bottom and steep rocky walls Comment
  UC1536021  Castilleja exserta Robert F. Thorne and Earl Lathrop 1975-5-20 45511 Riverside Rancho California, Mesa de Burro; Santa Rosa Plateau, Mesa de Burro 609 Comment
  CLARK-A1528-4177  Castilleja foliolosa John C. Roos 1940-5-4 880 Riverside San Timoteo Canyon Comment
  UCR121310  Castilleja foliolosa A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25008 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  RSA0010924  Castilleja lasiorhyncha Anstruther Davidson s.n. Riverside Strawberry Valley Comment
  JEPS3840  Castilleja miniata I. W. Clokey 1935-4-17 6865 Riverside Cottonwood Springs Comment
  POM42518  Castilleja pruinosa Marcus E. Jones 1882-6-29 s.n. Riverside [Unspecified] Comment
  CLARK-A1528-317  Catalpa speciosa Oscar F. Clarke 1968-5-21 Riverside Hemet Comment
  RSA429530  Caulanthus heterophyllus Ora M. Clark 1929-3-16 1725 Riverside N. of Whitewater Comment
  RSA717615  Caulanthus heterophyllus Scott D. White 2006-4-27 11304 Riverside Santa Rosa Hills, S. of Hemet. 549 Comment
Read comments
Feb 5 2020
  SD152903  Caulanthus heterophyllus Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-26 6700 Riverside Santa AnaMountains, San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCR60777  Caulanthus heterophyllus Steve Boyd 1986-3-1 1364 Riverside Gavilan Hills, Gavilan Hills, on recent burn, 0.25 mi south of Harford Springs County Park 640 Comment
  UCR279356  Caulanthus lasiophyllus A. C. Sanders, Jim Malusa 2017-3-23 42920 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  UCR35190  Caulanthus simulans L. B. Ziegler 1969-4-2 341 Riverside San Jacinto Mtns, Pinyon Flats 1250 Comment
  RSA398820  Ceanothus cordulatus Bonnie C. Templeton 1953-7-26 s.n. Riverside Idyllwild. 1646 Comment
  CAS-BOT-BC48457  Ceanothus crassifolius D. O. Burge 2007-3-20 799 b Riverside Agua Tibia Wilderness Area, Cleveland National Forest. 0.66 road miles (1.05 km) from Woodchuck Road 660 Comment
  RSA606770  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27361 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  UCR4090  Ceanothus crassifolius Carole Sims 1965-3-14 s.n. Riverside Peninsular Range, c. 4 miles east from Temecula near Vail Ranch 366 Comment
  UCR178154  Ceanothus greggii Jeffrey Ross, T. B. Salvato 1998-5-14 MOR- 143 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  RSA296125  Ceanothus leucodermis Barry A. Prigge 1980-8-11 3902 Riverside San Bernardino Mts, White Canyon: 3.2 miles upstream from trout farm. 963 Comment
  UC1979666  Ceanothus leucodermis Darin L. Banks, Steve Boyd 1995-3-16 98 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. Comment
  UCSB3916  Ceanothus leucodermis Kamb, Peter 1948-7-4 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  UC1071165  Ceanothus oliganthus var. oliganthus R. St. John 1931-3-4 192 Riverside Tim Mine Canyon Corona quad. 609 Comment
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Jun 17 2013
  RSA606751  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27412 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  SJSU15171  Ceanothus ophiochilus Steve Boyd, Tim Ross & Laurel Arnseth 1989-3-31 3097 Riverside Vail Lake area 1 mi W of Lake 624 Comment
  UCR213850  Ceanothus perplexans Scott D. White, Justin M. Wood 2009-5-21 12866 Riverside San Jacinto Mountains, Garner Valley, 0.5 mi northwest of Morris Ranch Road (Kenworthy Ranger Station) 1387 Comment
  RSA0018937  Ceanothus perplexans J. D. Olmsted 1959-4-10 345 Riverside 3 miles south of Banning on highway to Idyllwild. Drainage area into San Gorgonio Pass. 1067 Comment
  POM14281  Ceanothus tomentosus var. olivaceus P. A. Munz 1922-4-30 5131 Riverside St. John's Grade, south of Hemet. Comment
  CAS-BOT-BC277181  Centaurea X pouzinii John Thomas Howell 1952-10-24 28864 Riverside Fuller Ranch near Corona Comment
  CDA7290  Centaurea X pouzinii F. J. Willmarth 1960-6-2 Riverside Old Fuller Rancho, near Corona. 0 Comment
  POM351510  Centaurea melitensis M. M. Thompson 1947-6-9 C 2074 Riverside Los Alomos Canyon, Elsinore. 762 Comment
  RSA180329  Centaurea melitensis E. W. Lathrop 1964-5-24 5396 Riverside 8 miles west of Murrieta Comment
  UCR174448  Centaurium venustum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32505 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  JEPS106970  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 7 Riverside Hemet, N of CA-74 and W of Warren Road Comment
  SD248326  Centromadia pungens subsp. laevis Mitch Provance 2012-4-20 412 06 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
  UC1392826  Centromadia pungens subsp. laevis R. F. Hoover 1968-6-6 11150 Riverside 1 mi e Perris Comment
  UCR256521  Centromadia pungens subsp. pungens R. E. Riefner Jr. 2014-8-27 14- 306 Riverside City of Hemet, c. 50 yards north of W. Devonshire Ave. along Old Warren Rd. 475 Comment
  POM2210  Centrostegia thurberi H. M. Hall 1905-05 6021 Riverside Cottonwood Mountains, Colorado Desert 610 Comment
  RSA612485  Cerastium glomeratum D. L. Banks 1997-2-23 1332 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  UCR15890  Cerastium glomeratum Frank C. Vasek, G. K. Helmkamp 1979-4-27 s.n. Riverside Peninsular Range, Sandia Canyon Road about 2 mi from [SW of] Washington Street. Near Murrieta. 457 Comment
  POM68414  Cercidium floridum Marcus E. Jones 1924-2-26 s.n Riverside Shaver's Well. Comment
  RSA498414  Cercidium floridum T. S. Clare 1930-4-14 13790 Riverside Indio Comment
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Feb 3 2011
  POM243639  Cercocarpus betuloides E. C. Jaeger 1938-10-2 s.n. Riverside Little San Bernardino Mountains. 1220 Comment
  POM301780  Cercocarpus betuloides James E. Cole 1941-4-21 633 Riverside Joshua Tree National Monument 1402 Comment
  UC12139  Cercocarpus ledifolius var. ledifolius H. M. Hall 1901-7 2585 Riverside vicinity of Tamarack Valley (San Jacinto Mountains); San Jacinto Mountains 2499 Comment
  UCR65288  Cercocarpus minutiflorus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3882 Riverside Peninsular Range, Vail Lake area, cinder cone ridge at north side of mouth of Temecula Creek Canyon and adjacent benches on S flank of 'Big' Oak Mtn. 549 Comment
  UC1537043  Chaenactis artemisiifolia Gordon H. True Jr. 1935-4-18 229 Riverside Mockingbird Canyon 457 Comment
  UCR258749  Chaenactis artemisiifolia T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7902 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  JEPS8864  Chaenactis carphoclinia var. carphoclinia W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1357 Riverside Palm Canon and return to Van Deventer's Palm Canon 914 Comment
  POM126313  Chaenactis carphoclinia var. carphoclinia T. Craig 1927-4-2 10 Riverside Hidden Springs Canyon. Comment
  RSA777814  Chaenactis carphoclinia var. carphoclinia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 853 A Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE 396 Comment
  JEPS8881  Chaenactis fremontii I. W. Clokey and B. C. Templeton 1930-4-9 4699 Riverside n of Palm Springs; Colorado Desert Comment
  POM288432  Chaenactis fremontii Lyman Benson 1933-3-31 4166 Riverside US 66, 10 miles E of Palm Springs, San Jacinto Mt. Range, Colorado Desert Watershed. 244 Comment
  UCR103994  Chaenactis fremontii George K. Helmkamp 1998-4-3 3074 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek area north of Mt. San Jacinto; at edge of stream south of Snow Creek Rd at a point 1.4 mi. south of Calif. Hwy 111 396 Comment
  UCSB63960  Chaenactis fremontii Scora, Rainer 1966-4-1 Riverside 400 meters before Hidden Springs Oasis on road from Thousand Palms Comment
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Sep 10 2011
  CAS-BOT-BC172823  Chaenactis glabriuscula A. C. Sanders 2004-6-25 28281 Riverside Peninsular Range: Boden Canyon, tributary of Santa Ysabel Creek at E end of San Pasqual Valley; near the pond (reservoir) in middle DFG parcel 335 Comment
  UCR91677  Chaenactis glabriuscula Steve Boyd 1995-4-24 8482 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on N flank of Agua Tibia Mtn, at N base of Wildhorse Peak. Along the Wildhorse Trail near the NE corner of the Wilderness 671 Comment
  JEPS34204  Chaenactis glabriuscula var. glabriuscula W. L. Jepson 1939-4-17 19138 Riverside near Twin Springs (n end of Temescal Canyon); Temescal Canyon 274 Comment
  POM351763  Chaenactis glabriuscula var. glabriuscula N. C. Cooper 1944-3-25 1029 Riverside Cabazon. 457 Comment
  POM351766  Chaenactis glabriuscula var. glabriuscula M. M. Thompson 1947-6-9 2086 Riverside Los Alomos Canyon, Elsinore. 762 Comment
  RSA396471  Chaenactis glabriuscula var. glabriuscula Walter Wisura 1987-5-21 4152 Riverside 5.3 miles fr Hwy 243 along old Idyllwild rd. Comment
  RSA772574  Chaenactis glabriuscula var. glabriuscula Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5010 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66014 750 Comment
  CAS-BOT-BC277548  Chaenactis glabriuscula var. lanosa H. M. Hall 1901-6-1 2165 Riverside San Jacinto Mountains. Thomas Valley 1371 Comment
  RSA753480  Chaenactis glabriuscula var. lanosa Scott D. White, Justin M. Wood 2009-5-21 12864 Riverside San Jacinto Mountains: Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  JEPS30505  Chaenactis parishii Donald W. Kyhos 1958-5-16 58 -183 Riverside 1.85 mi up road toward Mount Santa Rosa; San Jacinto Mountains, Mount Santa Rosa Comment
  CAS-BOT-BC284355  Chaenactis stevioides H. M. Hall 1901-4-5 5935 Riverside Colo. Desert Comment
  JOTR35310  Chaenactis stevioides Andre, Jim 2012-4-16 20974 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  RSA0108934  Chaenactis stevioides Duncan S. Bell, Amanda Bell 2012-1-28 3076 Riverside East side of the Arica Mountains; collecting along the old railroad tracks on the west side of Rice Valley, approximately 6.25 air miles south of the ghost town of Rice. 224 Comment
  UCR249658  Chaenactis stevioides T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7303 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  UC868576  Chamaesyce Ivan Johnston 1917-4-4 Riverside Palm Canyon Colorado Desert Comment
  SEINET3365545  Chamaesyce abramsiana G. Rink 2011-10-6 11078 Riverside East of the McCoy Mountains, northwest of Blythe, in a swale that sometimes holds water 150 Comment
  JEPS48830  Chamaesyce albomarginata Marjorie D. Clary 1932-5-26 942 -A Riverside Hexie Mtn, Pleasant Valley Comment
  RSA736786  Chamaesyce albomarginata Scott D. White, Angelia Carey 2004-7-2 10551 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA605743  Chamaesyce nutans A. C. Sanders, G. K. Helmkamp 1996-3-17 17976 Riverside Coachella Valley: North Palm Springs (Garnet), I-10 at Indian Ave., N of Garnet Ave. 250 Comment
  GMDRC3108  Chamaesyce polycarpa J. Andre, T. La Doux 2008-9-13 10272 Riverside Eagle Mountains: at Joshua Tree Natl. Park boundary, lower slopes of south end of Eagle Mtns, along aqueduct access road 33 deg. 44.231' N 115 deg. 29.059' W. Elev. 1164 ft. 355 Comment
  RSA0099441  Chamaesyce polycarpa Duncan S. Bell, Evan Meyer 2014-10-29 7697 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
  SBBG100585  Chamaesyce polycarpa W. L. Halvorson 1977-2-5 77 -14 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  SEINET3089934 Image available Chamaesyce polycarpa J. C. Roos 1947-11-1 3755 Riverside Eagle Mountains, edge of Lost Palms Wash. Comment
  RSA33511  Cheilanthes clevelandii Norman C. Cooper 1944-5-6 1193 Riverside Banning. 701 Comment
  IRVC3127  Cheilanthes covillei R. H. Whittaker, W. A. Niering 1963-5-31 SJ 117 Riverside Elks Road. Peninsular Ranges, Santa Rosa Mountains 1280 Comment
  JOTR34127  Cheilanthes parryi Andre, Jim, T. La Doux, R. B. Kelley 2011-5-4 21085 Riverside Joshua Tree National Park. Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1171 Comment
  UC1063595  Cheilanthes parryi H. S. Yates 1937-3-24 6453 Riverside Deep Canyon; Thermal Quadrangle Comment
  UCR139949  Cheilanthes parryi L. C. Wheeler 1963-3-17 8243 Riverside Santa Rosa Mtns., Martinez Canyon Comment
  POM9932  Cheilanthes viscida F. W. Peirson 1921-3-22 2371 Riverside Murray Canyon, south side in canyon 457 Comment
  UCR199787  Chenopodium album Scott D. White, Angelia Carey 2004-7-2 10555 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  RSA0014928  Chenopodium californicum LeRoy Gross, Caitlin Elam 2013-5-14 6087 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR97682  Chenopodium californicum A. C. Sanders, G. Helmkamp 1997-3-15 19963 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  SEINET14416905  Chenopodium missouriense Mitch Provance 2012-1 61251 Riverside San Bernardino Valley: Box Springs Canyon, SW base of the Box Springs Mountains, E side of Interstate 215, .25 mi SE of the intersection of Gernert Rd. and Watkins Dr. 422 Comment
  UCR33643  Chenopodium murale Faulkner 1978-3-21 344 Riverside Colorado River Valley, 9 mi. north of Blythe on Hwy 95 152 Comment
  UCR23380  Chilopsis linearis John C. Roos, L. Roos 1952-6-21 5783 Riverside San Timoteo Canyon 442 Comment
  JEPS9185  Chilopsis linearis subsp. arcuata W. L. Jepson 1901-5-22 1361 Riverside Palm Canyon to Van de Venter's s. of Palm Springs; San Jacinto Mts. Comment
  POM3997  Chilopsis linearis subsp. arcuata M. Shaw 1917-4-4 s.n. Riverside Palm Canyon Comment
  RSA19547  Chilopsis linearis subsp. arcuata Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 S.N. Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  SEINET3151570  Chilopsis linearis subsp. arcuata Unknown 1906-5-1 Error Riverside Collected on Colorado desert at Palm Springs Comment
  UC489077  Chimaphila menziesii C. V. Meyer 1928-6-14 451 Riverside San Jacinto Mts., Saunder's Meadow 1676 Comment
  CAS-BOT-BC451475  Chimaphila umbellata P. A. Munz 1922-9-6 6387 Riverside North fork of Tahquitz Creek 2209 Comment
  UC2031354  Chloracantha spinosa Duncan S. Bell 2013-10-29 6089 Riverside Colorado Desert, Chocolate-Chuckwalla Mountains:Hayfields Dry Lake, N of Interstate10, about 1 mile SW of the pumping station. Comment
  SEINET9308063  Chloris truncata Unknown 2001-8-30 Riverside Riverside Comment
  CAS-BOT-BC184870  Chloris virgata Lewis S. Rose 1957-1-3 57007 Riverside La Quinta. 15 Comment
  RSA0049539  Chlorogalum parviflorum Steve Boyd, David E. Bramlet 1990-4-29 4512 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  RSA0123280  Chorizanthe brevicornu Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8993 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
  UCR116631  Chorizanthe brevicornu A. C. Sanders 2001-4-8 23974 Riverside Western Colorado Desert, Coachella Valley, Garnet, along transmission line route east of Garnet Wash 232 Comment
  UCR167200  Chorizanthe brevicornu S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  CAS-BOT-BC191700  Chorizanthe brevicornu var. brevicornu John Thomas Howell 1928-3-25 3555 Riverside 10 miles S of Palm Springs on road to Indio, Colorado Desert Comment
  CAS-BOT-BC191710  Chorizanthe brevicornu var. brevicornu Ivan Johnston 1917-4-4 1105 Riverside near Palm Springs. Colorado Desert Comment
  JOTR38688  Chorizanthe brevicornu var. brevicornu Hodges, Stephen R. 2017-2-7 704 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  RSA392617  Chorizanthe brevicornu var. brevicornu Anstruther Davidson 1903-5-3 s.n. Riverside Thermal Comment
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Aug 9 2010
  RSA644219  Chorizanthe brevicornu var. brevicornu Victor W. Steinmann, P. I. Moscosa, T. S. Ross 1998-4-14 1358 Riverside Orocopia Mountains, 1.5 km southwest of the Hayfield exit of I-10; ca. 600 m. Along a small wash on north-facing slope. 183 Comment
  UCR140289  Chorizanthe coriacea A. C. Sanders 2004-4-9 27451 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  CAS-BOT-BC191851  Chorizanthe corrugata Edmund C. Jaeger 1939-3-31 s.n. Riverside Box Canon [canyon] 30 Comment
  RSA795932  Chorizanthe corrugata Duncan S. Bell 2009-4-19 265 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCR138573  Chorizanthe corrugata Steve Boyd, Orlando Mistretta 1986-3-13 1447 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  RSA500565  Chorizanthe leptotheca Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3605 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  UC450104  Chorizanthe leptotheca F. M. Reed 1905-6-9 778 Riverside Riverside and vicinity 365 Comment
  UC72686  Chorizanthe leptotheca Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR116533  Chorizanthe parryi A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24183 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR37414  Chorizanthe parryi var. parryi Steve Boyd 1981-5-22 s.n. Riverside Lakeview Mountains, 3 mi ESE of Lakeview below the summit of Mt. Rudolf 795 Comment
  UCR56702  Chorizanthe polygonoides subsp. longispina Jeri Hirshberg 1989-5-9 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, SW slope of Mesa de Burro 579 Comment
  CAS-BOT-BC257188  Chorizanthe polygonoides var. longispina D. E. Bramlet 1989-4-7 1815 Riverside Perris-Aguanga Basin region: Lake Skinner County Park, south of Lake Skinner, 500 ft. west of Old Warren Rd. and 100 ft. north of the E-W access road 518 Comment
  UC1543906  Chorizanthe polygonoides var. longispina Barbara Ertter and Jeffrey Strachan 1980-5-22 3490 Riverside Dripping Springs Campground Cleveland National Forest (hills on e side, near Hwy 79 between Aguanga and Temecula, n of Wild Horse Peak) 609 Comment
  UCR139190  Chorizanthe polygonoides var. longispina Virginia Moran 2003-5-16 s.n. Riverside Johnson Ranch (managed by Center for Natural Lands Management), vicinity of Skunk Hollow and Santa Gertrudis Creek, 'knoll 1' on northern edge of first baseline transects established by CNLM 422 Comment
  UCR48478  Chorizanthe polygonoides var. longispina Steve Boyd 1986-4-2 1587 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR213548  Chorizanthe procumbens Michael Honer 2003-7-15 1844 Riverside Peninsular Range; Santa Ana Mtns., Rainbow area, just north of the San Diego Co. boundary and west of the I-15 Freeway 518 Comment
  SEINET6894766  Chorizanthe staticoides W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris, at base of Gavilan Hills. Comment
  JEPS57758  Chorizanthe xanti W. L. Jepson 1914-5-25 6065 Riverside San Gorgonio Pass 518 Comment
  SD237560  Chorizanthe xanti subsp. leucotheca Robert J. Steers, s.n., Stan C. Spencer, Matt Willis 2009-6-1 Riverside San Gorgonio Pass; nea the town of Cabazon, west side of the San Gorgonio River on the Morongo Indian Reservation, c. 0.2 mi WSW of the corner of Dailey Road and Sullivan Road (Cabazon 7.5'Q) 675 Comment
  UCR241511  Chylismia arenaria A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40641 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  UCSB4394  Chylismia brevipes Long, Frances 1939-12-31 Riverside Salton Sea Comment
  JOTR37496  Chylismia brevipes subsp. brevipes Hodges, Stephen R., L. Ashfield 2016-1-20 625 Riverside Joshua Tree National Park. Eagle Mountains, Black Eagle Mine road, northern edge of mountains near eastern park boundary (Stop 1). Comment
  CAS-BOT-BC160638  Chylismia claviformis subsp. aurantiaca John H. Thomas 1957-3-30 6533 Riverside 0.8 miles east of Cactus City, about 13 miles east of Coachella, near U. S. Highway 60 and 70. Colorado Desert 518 Comment
  UC873926  Chylismia claviformis subsp. aurantiaca C. L. Hitchcock 1940-3-29 5865 Riverside ca 100 yd e Spring; Cottonwood Canyon Comment
  RSA0070673  Cirsium occidentale var. californicum P. A. Munz, D. D. Keck 1923-6-14 7077 Riverside Santa Ana Mts. Glen Ivy Trail to Santiago Peak. 1524 Comment
  RSA0059653  Cirsium occidentale var. occidentale A. C. Sanders, J. Goetzen 1996-5-1 18128 Riverside San Bernardino Mtns: Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning 793 Comment
  IRVC29780  Cirsium scariosum var. citrinum Mark A. Elvin, Steve Boyd, A. C. Sanders, D. Kelch, Larry Hendrickson 2006-12-8 5290 Riverside Santa Rosa Plateau; beside creek along Via Volcana; 10 m W of road; 100 m S of jct of Via Volcana and Tenaja Road Peninsular Ranges 572 Comment
  CAS-BOT-BC438844  Cistanthe monandra Annie M. Alexander; Louise Kellogg 1941-5-12 2157 Riverside 5.5 miles northeast of Cottonwood Spring, Eagle Mountains, Colorado Desert 868 Comment
  POM12750  Cistanthe monosperma P. A. Munz 1922-7-6 6003 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  POM48378  Cistanthe monosperma Mary F. Spencer 1919-7-6 1264 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mountains. 2378 Comment
  RSA752133  Citrullus lanatus Justin M. Wood, Brandy Wood 2009-7-4 1037 Riverside Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. 250 Comment
  RSA615135  Citrus sinensis A. C. Sanders 1997-3-2 19774 Riverside N of Spruce St between the RR and the Gage Canal. near foot of Box Springs Mtns. 305 Comment
  CAS-BOT-BC171997  Clarkia epilobioides Steve Boyd 1986-4-22 1768 Riverside Temescal Canyon, terrace escarpment E side of Indian Wash, S of 1-15 Comment
  RSA85121  Clarkia epilobioides J. C. Roos 1952-5-7 5618 Riverside Box Springs Mountains, north of Canyon Crest Heights 488 Comment
  UCR174325  Clarkia epilobioides A. C. Sanders, T. B. Salvato 2006-6-2 33088 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. 579 Comment
  POM3049  Clarkia purpurea subsp. quadrivulnera H. M. Hall 1901-07 2262 Riverside Fuller Mill s Mountains. 1585 Comment
  POM12788  Clarkia rhomboidea P. A. Munz 1922-6-23 5771 Riverside Keen Camp, San Jacinto Mountains. 1524 Comment
  UCR92183  Clarkia similis D. L. Banks, Steve Boyd 1995-5-3 0185 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
  RSA282925  Claytonia parviflora subsp. tenuifolia C. W. Tilforth, B. Busenberg 1980-6-17 2018 Riverside Slopes ca. 1/2 mi. south of Toolbox Springs Campground along Thomas Mtn. Road, south of Lake Hemet, west of Hiway 74. 1982 Comment
  JOTR35135  Claytonia parviflora subsp. utahensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3246 Riverside Joshua Tree National Park. West of Queen Mountain, Wonderland of Rocks; narrow wash with large granitic boulders throughout corridor (Stop 2) 1302 Comment
  UCR121659  Claytonia parviflora subsp. viridis A. C. Sanders 1997-3-19 20020 Riverside Lake Skinner area, Lower Rawson Canyon at 3-way road junction (heron rookery site) c. 1 km NE of the lake 457 Comment
  UCR174047  Claytonia perfoliata A. C. Sanders 2006-5-19 32460 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR214125  Claytonia perfoliata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37731 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  UCR50391  Clematis pauciflora L. F. LaPre, Jack Easton 1988-1-12 s.n. Riverside Santa Rosa Plateau, Mesa de la Punta, Santa Rosa Springs Ranch 610 Comment
  RSA650743  Cleome isomeris Glenn Stewart 1968-2-11 s.n. Riverside N of Thousand Palms. Comment
  UCR20883  Collinsia concolor A. C. Sanders 1978-7-3 999 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  UCR80821  Collinsia concolor Scott D. White 1993-5-29 1477 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 2134 Comment
  UCR9251  Collinsia concolor D. H. Wilken 1965-6-29 318 Riverside San Jacinto Mtns, One mile north of Poppet Flat along County Route 1 1220 Comment
  RSA0047077  Colubrina californica Amber Swanson, Linda Jean Foster 2011-10-8 644 Riverside Washes in the Little Santa Maria Wilderness W of Midland/Blythe-Rice Rd. 272 Comment
  UCR113737  Convolvulus arvensis Mitch Provance 1998-6-6 622 A Riverside City of Riverside, NE corner of Van Buren Blvd. and Central Ave. 229 Comment
  RSA524443  Convolvulus simulans Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4059 Riverside Vail Lake area, E flank of Big Oak Mtn, S of E summit. 610 Comment
  UCR151096  Cordylanthus nevinii Scott D. White, Julie Greene 1998-8-1 6968 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
  UCR35231  Cordylanthus nevinii L. B. Ziegler 1967-8-30 229 Riverside San Jacinto Mtns., Upper Strawberry Valley under Lily Rock. 1982 Comment
  UCR132920  Cordylanthus rigidus 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
  UCR164284  Cordylanthus rigidus S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  JOTR28748  Cordylanthus rigidus subsp. setiger La Doux, Tasha, Ileene Anderson 2004-10-4 1640 Riverside Joshua Tree National Park. STOP 1 = Little SB Mtns; above Keys Ranch 1277 Comment
  UC26350  Cordylanthus rigidus subsp. setiger H. M. Hall Aug. 1901 2621 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1584 Comment
  RSA0030791  Cordylanthus rigidus subsp. setiger J. C. Roos 1965-8-18 s.n. Riverside Thomas Valley, San Jacinto Mtns. Comment
  CAS-BOT-BC287883  Coreopsis californica Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-30 3974 Riverside Vail Lake Area, valley between Black Hills and Rocky Ridge 701 Comment
  RSA552693  Coreopsis californica Steve Boyd, Orlando Mistretta, Timothy S. Ross 1992-2-26 6701 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  CAS-BOT-BC101303  Corethrogyne filaginifolia Philip A. Munz 1938-8-24 15383 Riverside ridge east of Toro Peak, Santa Rosa Mts. 2438 Comment
  POM356161  Corethrogyne filaginifolia M. M. Thompson 1947-8-23 c 2051 Riverside Los Alamos Canyon, Elsinore Mtns. 762 Comment
  UC31266  Corethrogyne filaginifolia H. M. Hall 1901-7-26 2530 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley Comment
  UCSB32534  Corethrogyne filaginifolia Smith, O. 1977-4-1 Riverside 1 mile up Ellis Rd. in Perris, CA 365 Comment
  UCSB4678  Cornus nuttallii Ralph, F. 1959-5-16 Riverside In canyon, along road to Dark Canyon Campground; in San Jacinto Mtns.; near Idyllwild 1676 Comment
  SEINET232364  Coryphantha vivipara Leila Shultz, John S. Shultz 1985-4-17 8310 Riverside Southern extension of the Big Mari[o, d?] Mountians. Comment
  CHSC463  Crassula connata S. Westerberg 1938-4-1 Riverside Lake Elsinore. Comment
  SEINET3089348 Image available Crassula connata A. C. Sanders, L. Lubinsky, A. Knapp, P. MacKay & C. L. Sanders 1995-2-12 15920 Riverside Colorado Desert; Coachella Valley, alluvial fan below the Little San Bernardino Mtns., Fargo Canyon Rd. 1.35 mi E of Dillon Rd. 98 Comment
  UCR173152  Crassula connata Abby Sirulnik 2000-4-20 15 Riverside South Coast; Perris Basin, Motte Rimrock Reserve, NW of Perris 610 Comment
  RSA735852  Cressa truxillensis Scott D. White, Justin M. Wood 2008-4-15 11875 Riverside Perris Valley: Interstate 215, between Nuevo Rd and Scott Rd. 427 Comment
  UCR93050  Cressa truxillensis Steve Boyd, D. L. Banks 1994-9-29 8373 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  RSA92578  Cressa truxillensis J. C. Roos 1952-5-21 5703 Riverside San Jacinto River bottomland 1.5 miles southeast of Perris 426 Comment
  CAS-BOT-BC175810  Crossosoma bigelovii P. A. Munz 1935-4-8 13834 Riverside Sheephole Mts., southern Mojave Desert 1066 Comment
  RSA397716  Crossosoma bigelovii M. B. Dunkle 1937-3-25 4949 Riverside Aqueduct Rd. Colorado Desert Comment
Read comments
Dec 18 2011
  SEINET10483986  Crossosoma bigelovii Betty Venrick 1961-3-17 Venrick 506 Riverside White Water Canyon, 1/2 mile below fish hatchery. San Bernadino Mt. range. Drainage area: Salton Sea. Veg. type: Colorado desert. Soil granitic 762 Comment
  HSC66471  Croton californicus Christopher Davidson, A. P. Romspert, H. Surprenant 1979-4-29 7818 Riverside W of Indio, 3 mi. E of Date Palm Dr. 15 Comment
  HSC79298  Croton californicus G. K. Helmkamp 1983-10-8 - 37 Riverside TNC Big Morongo Preserve, S of town of Morongo Valley in Big Morongo Canyon, beside pipeline road 762 Comment
  RSA770782  Croton californicus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4604 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA777342  Croton californicus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4711 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
  POM10317  Croton californicus var. mohavensis Charlotte M. Wilder 1904-4-10 497 Riverside Palm Springs, Colorado Desert Comment
  UCR24981  Crypsis schoenoides George K. Helmkamp 1979-8-3 s.n. Riverside San Jacinto Valley, NE end of Quail Lake (Lake San Jacinto, Mystic Lake) near the shoreline Comment
  UCR69743  Crypsis schoenoides A. C. Sanders, Chet McGaugh 1991-7-19 11153 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  UCR251696  Cryptantha T. B. Salvato 2014-4-9 7843 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  UCR274292  Cryptantha T. B. Salvato, Gregg Miller 2005-6-7 1446 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
  SEINET6971882  Cryptantha W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  POM15232  Cryptantha angustifolia Mary F. Spencer 1922-3-26 2010 Riverside Mecca -49 Comment
  RSA652889  Cryptantha angustifolia John Wallace, Steve McNabb 1991-5-5 9 Riverside Approximately one mile south of Thompsons Camp. Comment
  UCR134600  Cryptantha angustifolia Marisa Sripracha, Kyle Boyd 2004-2-14 016 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  UCR224440  Cryptantha angustifolia Dave Silverman 2010-3-30 7871 Riverside Sonoran (Colorado) Desert, east flank of southern McCoy Mountains, 1.8 km W of Black Creek Rd, 7.0 km E of McCoy Peak, and 4.4 km north of I-10 175 Comment
  RSA678229  Cryptantha barbigera Valerie Soza, J. M. Porter, Gary D. Wallace 2001-4-2 1098 Riverside Mouth of West Wide Canyon, NNW of junction of Dillon Road and Ford Avenue. 396 Comment
  UCR102912  Cryptantha barbigera George K. Helmkamp 1998-4-4 3174 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  JOTR36479  Cryptantha barbigera var. fergusoniae La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3192 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  RSA0031380  Cryptantha clevelandii E. W. Lathrop 1966-5-8 6413 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  UCR108474  Cryptantha decipiens A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16222 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  JOTR34347  Cryptantha dumetorum Andre, Jim 2012-4-11 20696 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  RSA710002  Cryptantha holoptera Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4593 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  CLARK-A1045-147  Cryptantha intermedia George K. Helmkamp 1978-4-1 Riverside Deep Canyon Palm Desert 15'Q Comment
  JEPS67653  Cryptantha intermedia W. L. Jepson 1935-4-19 17079 Riverside San Gorgonio Pass Comment
  SD236231  Cryptantha intermedia John F. Green 2006-4-25 Riverside Peninsular Ranges; Foothills of Santa Ana Mountains / Santa Rosa Plateau; Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and la Serena Way; E of Veterans park (Bachelor Mtn 7.5'Q) 366 Comment
  UC1922270  Cryptantha intermedia Scott D. White, Angelia Carey 2004-4-5 10019 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  UC857150  Cryptantha intermedia L. Haines and L. Erickson 1937-4-9 Riverside near Winchester (Riverside-Hemet road) Comment
Read comments
Mar 20 2011
  UCR93036  Cryptantha intermedia Steve Boyd 1986-4-2 1600 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA678413  Cryptantha intermedia var. intermedia Michael Wall 2003-4-6 259 Riverside Vacant lot off Ramona Expressway at Donna Ave adjacent to Soboba Health Clinic. Property for sale and future housing development. 506 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
  UC1186496  Cryptantha maritima Peter M. Ray 1949-3-5 1334 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  UC1514466  Cryptantha maritima Rimo Bacigalupi with Paul Hutchison 1958-2-19 6199 Riverside 9.4 mi n Blythe (at w base of the Big Maria Mts.); Big Maria Mts. 167 Comment
  JEPS67968  Cryptantha micrantha W. L. Jepson 1901-5-19 1295 Riverside near Chalk Hill (on road to Strawberry Valley); San Jacinto Mt. 1676 Comment
  RSA27485  Cryptantha micrantha I. L. Wiggins 1941-3-24 9566 a Riverside 0.3 mile south of Myoma, 4.6 miles north of Indio Comment
  UC573635  Cryptantha micrantha H. S. Yates 1937-3-23 5394 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  RSA0018641  Cryptantha micrantha var. lepida C. P. Cowan 1978-4-24 1255 Riverside 19.6 mi S on Hwy 74 from its jct with Hwy 111 at Indian Wells. Sta. Rosa Road, 1.9 mi S of 74. Whittaker transect no.W-226(voucher). Comment
  SDSU14021  Cryptantha micromeres Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2099 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  RSA674709  Cryptantha microstachys Scott D. White 2000-5-1 7742 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  SBBG87640  Cryptantha microstachys A. C. Sanders, B. Pitzer 1986-4-30 6487 Riverside upper Bee Cyn, 1.3 mi above the mouth of the cyn at the San Jacinto River valley 670 Comment
  UC217963  Cryptantha microstachys P. A. Munz and I. M. Johnston 1922-5-19 5346 Riverside 5 mi ne Murietta 457 Comment
  UC64400  Cryptantha microstachys W. L. Jepson May 17 1901-Jun 1 1901 1281 Riverside Canyon of San Jacinto River Comment
  UCR127354  Cryptantha microstachys A. C. Sanders, D. Malueg 2003-5-8 26572 Riverside Perris-Aguanga Basin region, Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek 396 Comment
  UCR195128  Cryptantha microstachys A. C. Sanders, Tim Thomas 2008-8-1 35963 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  RSA0079562  Cryptantha muricata var. jonesii C. B. Wolf 1932-8-6 s.n. Riverside Roadside 2.9 mi From Idyllwild on the road to Hemet. San Jacinto Mts. 1220 Comment
  UCR88427  Cryptantha pterocarya var. pterocarya A. C. Sanders, K. C. Rose 1995-4-5 16350 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA0079328  Cryptantha pterocarya var. purpusii J. R. Bruff 1928-4-2 s.n. Riverside Canyon wash 1 mile west of Morengo. Comment
  JOTR01186  Cryptantha racemosa Schenck, Sara 1941-5-28 s.n. Riverside Joshua Tree National Park. RUBY LEE MILL SITE Comment
  SEINET8731259 Image available Cryptantha racemosa Lewis S. Rose 1938-1 38338 Riverside 12 mi. sw. of Cathedral City. Palms to Pines Highway, San Jacinto Mts. 457 Comment
  UCR279564  Cryptantha utahensis A. C. Sanders, Jim Malusa 2017-3-29 43171 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  UC28913  Cucurbita palmata Geo. R. Hall 1901-9-1 Riverside Riverside Comment
  UC303421  Cucurbita palmata I. M. Johnston 1918-5-30 1999 Riverside between Perris and Elsinore 579 Comment
  UCR75889  Cuscuta Theo Glenn 1991-5-1 91- 50 Riverside Sonoran (Colorado) Desert, McCoy Mts, NW of Blythe 240 Comment
  CAS-BOT-BC56142  Cylindropuntia californica var. californica L. R. Abrams 1908-7-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  SEINET5624462 Image available Cylindropuntia chuckwallensis Marc A. Baker, with Michelle Cloud-Hughes, Glenn Rink, Dina Robertson & Neal Kramer 2011-5-1 17305 Riverside Chuckwalla Mountains, 62km WSW of Blythe, 1km west of Chuckwalla Spring 600 Comment
  UCR99885  Cylindropuntia ganderi Jon P. Rebman, A. Salywon 1997-3-21 3832 Riverside Santa Rosa Mtns., along Hwy 74, 11.7 mi SW of jctn. with Hwy 11 966 Comment
  RSA0098478  Cylindropuntia ganderi var. ganderi Marc A. Baker 2015-7-4 18385 .2 Riverside San Jacinto Mountains, 25 km SSE of central Palm Springs, 800m WSW of Sugarloaf Mountain. 1236 Comment
  SEINET9037432 Image available Cylindropuntia ganderi var. ganderi M. A. Baker 2015-1 18385 .2 Riverside San Jacinto Mountains, 25km SSE of central Palm Springs, 800m WSW of Sugarloaf Mountain 1236 Comment
  UCD169559  Cylindropuntia prolifera John F. Green 2006-5-2 s.n. Riverside Unincorporated area along San Diego Aqueduct Corridor, 1 km due W of Skunk Hollow, between Nicholas Rd. and Borel Rd., E of Murrieta Hot Springs. 421 Comment
  RSA791481  Cynanchum utahense J. Andre 2012-4-15 20848 Riverside West end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10. 395 Comment
  SEINET3926479  Cynodon dactylon Sears 1977-10-12 S 568 Riverside Corn Springs. Desert Palm Oasis.; 0 512 Comment
  SEINET10468112  Cynodon dactylon David B. Dunn, A. Folsom 1948-6-17 Dunn 3797 Riverside At quad 1. At camp in pushawalla canyon under palms. Comment
  UCR277722  Cyperus difformis Mitch Provance 2012-11-3 1112- 09 Riverside San Timoteo Canyon, West Beaumont, N side of Oak Valley Parkway (San Timoteo Canyon Rd.), 1.5 miles W of I-10. 709 Comment
  RSA630336  Cyperus eragrostis Scott D. White 1996-9-22 4540 Riverside Nuevo Road near intersection with Wilson Ave., W of the San Jacinto River crossing. 430 Comment
  RSA788097  Cyperus eragrostis Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49551 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  SBBG119269  Cyperus involucratus R. F. Thorne 1965-4-4 41861 Riverside Tahquitz Falls, Tahquitz Cyn Comment
  UCR16051  Cyperus involucratus Becky Brooks 1973-5-26 s.n. Riverside Corona, N end of third irrigation pond c. 250 yards north of Ontario Ave & 100 yards east of Compton Ave Comment
  UCR130129  Cyperus odoratus Joseph A. Ewan 1931-10-3 5215 Riverside Santa Ana River, 4 miles NW of Corona 162 Comment
  UCR119808  Cyperus squarrosus A. C. Sanders, T. B. Salvato, E. J. Lawlor, C. L. Sanders, et al 1999-8-22 23063 Riverside San Jacinto Mtns., NW shore of Lake Hemet, at Forest Service day use area 1322 Comment
  CAS-BOT-BC198202  Cytisus striatus R. Leen 1987-4-8 s.n. Riverside South of Temecula on Interstate 15, W side of road between Front Street and Rainbow Valley Road exits. Comment
  RSA0045573  Dalea californica Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs 138 Comment
  CLARK-A1703-1206  Dalea emoryi Charlotte Stocks 1962-5-25 Riverside La Quinta Comment
  RSA0031553  Dalea mollissima Duncan S. Bell 2013-1-30 4443 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills peak 1642. 138 Comment
  RSA404193  Dalea mollissima L. C. Wheeler 1931-11-26 391 Riverside Salton Bench Mark, Colorado Desert. -15 Comment
  UCR24509  Dalea mollissima John C. Roos 1949-3-19 4106 Riverside Sonoran (Colorado) Desert, near Dos Palmas Spring on the E side of the Salton Sea in the vicinity of Salt Creek -30 Comment
  OBI45072  Datisca glomerata Robert F. Thorne, C. W. Tilforth, L. DeBuhr, and E. Lathrop 1975-8-29 47299 Riverside Cleveland Natl Forest Comment
  UC19643  Datisca glomerata H. M. Hall Aug 1897 834 Riverside San Jacinto Mountains, Riverside Riverside; San Jacinto Mountains, Riverside 1615 Comment
  RSA33373  Datura wrightii N. C. Cooper 1943-9-10 905 Riverside Banning. 610 Comment
  SD122191  Datura wrightii James C. Dice, T. Chung 1987-10-19 741 Riverside Southwestern Riverside County, ca. 3.2 km southwest of downtown Temecula, along edge of Via Tornado Road, ca. 0.6 km N of entrance to Santa Margarita Ecological Reserve 365 Comment
  CAS-BOT-BC294108  Deinandra kelloggii Steve Boyd; Tim Ross; Dave Bramlet 1992-9-9 7691 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienega 670 Comment
  CAS-BOT-BC294118  Deinandra kelloggii Mary F. Spencer 1919-6-17 1192 Riverside In San Jacinto 304 Comment
  RSA675713  Deinandra mohavensis Scott D. White 2000-10-20 8136 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
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Dec 16 2012
  RSA736329  Deinandra paniculata Scott D. White, Justin M. Wood 2008-5-27 12036 Riverside Perris Basin: I-215 freeway, between Clinton Keith and Alamos. 396 Comment
  SD240868  Deinandra paniculata Jeremiah George 2011-7-18 Riverside Peninsular Range; Elsinore Trough: North Lake Elsinore, just west of Nichols Rd. and Collier Ave. junction. West side of riparian strip. 384 Comment
  RSA301798  Delphinium parishii James E. Cole 1942-5-10 951 Riverside Joshua Tree National Monument. 1341 Comment
  SEINET3159336  Delphinium parishii S. B. Parish 1907-4-18 6074 Riverside western border of the Colorado desert; from type? station 150 Comment
  UCD96283  Delphinium parryi R. N. Raynor 1938-6-20 s.n. Riverside Coahuila. Comment
  UCR133371  Delphinium parryi Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 297 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 Comment
  UCR201620  Delphinium parryi Scott D. White, Justin M. Wood 2008-6-16 12145 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  RSA0020475  Delphinium parryi subsp. parryi Scott D. White, Justin M. Wood 2008-6-16 12145 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  RSA586484B  Delphinium parryi subsp. parryi D. L. Banks, S. D. Boyd 1995-5-9 341 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  RSA433552  Dendromecon rigida subsp. rigida N. C. Cooper 1944-7-15 1599 Riverside Idlewild [Idyllwild], San Jacinto Mountains. 1524 Comment
  RSA286820  Deschampsia danthonioides R. F. Thorne 1974-5-23 44666 Riverside Santa Rosa Plateau, Rancho California: top of Mesa de Colorado 625 Comment
  UCR92633  Deschampsia danthonioides G. R. Ballmer 1996-4-10 s.n. Riverside Skunk Hollow, 6 mi. east of Murrieta, on W side of Pouroy Road 457 Comment
  RSA771759  Descurainia pinnata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4636 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  POM198000  Descurainia pinnata subsp. halictorum Joseph A. Ewan 1932-4-8 7031 Riverside Seven Palms near Garnet Comment
  UCR172229  Descurainia sophia John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  RSA263755  Dicentra chrysantha E. W. Lathrop 1973-04 6884 Riverside 4 miles betw. Tin Mine Canyon and Santiago Peak, Skyline Drive 732 Comment
  SDSU13538  Dicentra chrysantha W. Miller, C. Mosse 1972-7-19 Riverside 50 feet south of dump on south road. Comment
  UCR252198  Dichelostemma capitatum Marissa Manahan 2011-4-21 s.n. Riverside Lake Mathews, off Cajalco Rd. across from Colorado River Aqueduct, near Lake Mathews Dr. intersection 436 Comment
  RSA367460  Dichelostemma capitatum subsp. capitatum N. C. Cooper 1944-3-24 1001 Riverside Banning. 701 Comment
  SEINET232554  Dichelostemma capitatum subsp. capitatum Sharon K. DuBois 1987-5-10 Riverside San Jacinto Mountians 1 mi up Bee Canyon off of Hwy 74 457 Comment
  RSA501071  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3189 Riverside Vail Lake area, head of Temecula Creek Cyn at the dam. 426 Comment
  UCR109571  Dicoria canescens R. D. Goeden, Don W. Ricker 1986-5-29 s.n. Riverside Coachella Valley, Indio, Monroe St. -6 Comment
  UCR133657  Dicoria canescens 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
  RSA93923  Dicoria canescens F. W. Peirson 1920-12-29 2333 Riverside 1.5 miles east of Whitewater Station, head of Coachella Valley. Comment
  CAS-BOT-BC150878  Diplacus X australis Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Mts., San Juan Canyon, Highway 74 609 Comment
  SBBG92205  Diplacus bigelovii var. bigelovii D. F. Howe 1980-4-16 Riverside 4 mi S of Interstate 10 on Cornsprings Rd, Chuckwalla Mtns 335 Comment
  RSA0019420  Diplacus fremontii Scott D. White 1999-6-6 7440 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  RSA0018423  Diplacus longiflorus var. calycinus Percy C. Everett, E. K. Balls, L. W. Lenz 1952-7-1 17267 Riverside 3 mi. s. from Banning along Hwy to Idyllwild. 915 Comment
  CAS-BOT-BC150869  Diplacus puniceus H. M. Hall 1902-4-21 2928 Riverside Vicinity of Riverside, Gavilan Hills 457 Comment
  UCR173786  Dipsacus sativus Kurt Campbell 2006-6-15 s.n. Riverside Perris-Aguanga Basin, Temecula, NW corner of Moraga Rd. and Rancho California Road 335 Comment
  RSA697766  Distichlis spicata J. Russell Bruff 1927-10-8 1 -K Riverside Thousand Palms Comment
  RSA651790  Distichlis spicata var. stricta D. H. Wilken 1966-3-26 794 Riverside Hidden Palms Oasis in the Indio Hills. Comment
  POM47249  Ditaxis lanceolata Mary F. Spencer 1920-3-18 1480 Riverside Near Palm Springs 152 Comment
Read comments
Nov 19 2011
  RSA4939  Ditaxis lanceolata C. B. Wolf 1932-4-27 3058 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  JOTR34025  Ditaxis neomexicana La Doux, Tasha, M. Harding 2010-4-7 2912 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  UCR157438  Ditaxis neomexicana George K. Helmkamp 1998-4-4 3180 Riverside Sonoran (Colorado) Desert, 2.3 mi. north of Hwy I-10 on Eagle Mtn Rd. 274 Comment
  RSA0040166  Dithyrea californica Sarah J. De Groot, April Garbat 2013-3-28 6996 Riverside Along Highway 177 at sandy area just south of the Desert Lily sanctuary, Chuckwalla Valley, just south of the Coxcomb Mountains. 152 Comment
  UC856054  Dithyrea californica I. W. Clokey and B. C. Templeton 1930-4-9 4707 Riverside n Palm Springs; Colorado Desert 170 Comment
  SD136778  Dodecatheon clevelandii subsp. clevelandii Steve Boyd, Orlando Mistretta 1992-4-22 7020 Riverside San Mateo Wilderness Area. Indian Potrero south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  UCR154542  Downingia Jason L. Hlebakos 2005-5-18 707 Riverside Santa Rosa Plateau, Mesa de Burro in the research area 602 Comment
  CAS-BOT-BC41633  Draba corrugata var. saxosa J. Ewan 1930-9-1 s.n. Riverside Summit of Mount San Jacinto. 3293 Comment
  UC10472  Draba corrugata var. saxosa H. M. Hall July, 1901 2413 Riverside near the summit San Jacinto Mountains San Jacinto Mountains 3291 Comment
  POM370051  Draba cuneifolia var. integrifolia Christopher Davidson 1973-4-1 1818 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA68331  Drymocallis glandulosa var. reflexa G. R. Campbell 1951-5-30 16149 Riverside Mouth of canyon, Pine Meadow Ranch, southeast of Kenworthy. 1433 Comment
  RSA0123691  Dudleya arizonica Duncan S. Bell, LeRoy Gross 2016-3-30 9167 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  CLARK-A1528-425  Dudleya lanceolata Michael DeJong 1971-5-14 Riverside Sunnymead Comment
  RSA645935  Dudleya lanceolata Scott D. White 1999-6-8 7451 Riverside Corona, near Bedford Canyon: foothills at eastern slope of Santa Ana Mts. ''Joseph Canyon'' wash near a disused quarry. 335 Comment
  UC1506122  Dudleya lanceolata Robert T. Clausen 1964-2-8 631047 b Riverside ridge sw Murrieta Comment
  SEINET3089228  Dudleya saxosa Bruce A. Beebe 1970-1 Riverside Comment
  RSA397788  Dudleya saxosa subsp. aloides M. B. Dunkle 1933-3-3 3018 Riverside Devil's Cactus Garden Comment
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Mar 20 2011
  RSA772141  Dudleya saxosa subsp. aloides Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4973 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SEINET3071476  Echinocereus mojavensis Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17494 Riverside Queen Mountain quadrangle, zone 11 0585753mE 3764902mN NAD83, 300m south of Desert Queen Mine (McHaney's Mine), 12.5 km SSW of Twenty Nine Palms, 1.5km ESE of Negro Hill 1360 Comment
  SBBG129040  Echinochloa crus-galli D. Duguma 2013-7-7 Riverside Prado wetlands near Corona 155 Comment
  UCSB38362  Echinochloa crus-galli Reed, F. 1918-9-15 Riverside Bluff Ranch Comment
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Apr 11 2009
  UCR199669  Eclipta prostrata Scott D. White, Lynn Stafford 2007-6-27 11751 Riverside Chino Hills State Park, Santa Ana River floodplain just below Prado Dam 137 Comment
  CAS-BOT-BC113604  Eleocharis acicularis Frederick Morris Reed 1908-7-12 2480 Riverside Lake Surprise, San Jacinto Mts. 2743 Comment
  RSA706563  Eleocharis geniculata A. C. Sanders, P. J. MacKay, D. L. Sanders 2003-2-9 25686 Riverside Colorado Desert: Coachella Valley, 84th Avenue, east of Johnson St., near west edge of Salton Sea 67 Comment
  SEINET7586407 Image available Eleocharis montevidensis Unknown 1969-6-6 39345 Riverside Santa Rosa Plateau, Rancho California. 610 Comment
  CLARK-A1045-61  Eleocharis parishii George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains head of De Luz Creek; Wildomar 7.5' Q Comment
  RSA705542  Eleusine coracana subsp. africana R. E. Riefner Jr. 2003-12-20 3 -548 Riverside Jurupa Valley, vicinity of Hellman Avenue at Pine Avenue 195 Comment
  RSA701650  Elymus elymoides subsp. elymoides Keith E. Hoffmaster 1937-6-6 s.n. Riverside San Jacinto Mountains. Comment
  UCR252007  Elymus hispidus A. C. Sanders, T. B. Salvato 2014-7-2 41185 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  POM72898  Emmenanthe penduliflora Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA0031712  Emmenanthe penduliflora Tamara Joy Hanna 1991-5-19 49 Riverside Off of Coyote Canyon Road (FWD dirt) on a walking trail approx. 3 mi from the gated (back) entrance to the Anza-Borrego State Park via Horse Canyon. Comment
  UC73689  Emmenanthe penduliflora Miss M. A. King 1893-1 Riverside Menifee Comment
  UC809725  Emmenanthe penduliflora Philip A. Munz 1949-4-13 13055 Riverside Slope above Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  UCR60243  Emmenanthe penduliflora R. F. Thorne, M. Z. Thorne 1973-3-30 42696 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  UCSB5259  Emmenanthe penduliflora Koran, Jr., John 1958-5-18 Riverside 8.4 miles S. of Hemet Lake on Hwy. 74 Comment
  SD224838  Encelia actoni Scott D. White, Steve Myers 1995-10-21 3725 Riverside Eastern foothills of San Jacinto Valley, Santa Rosa Hills, S of Hemet; foothills just above orange grove 609 Comment
  UC488974  Encelia actoni C. V. Meyer 1927-6-1 210 Riverside w base of San Jacinto Mt. 609 Comment
  UCD131189  Encelia actoni Ted C. MacRae 1995-5-25 41 a Riverside 2.4 miles NE of Pinyon Flats on Highway 74, Santa Rosa Mountains. 1219 Comment
  UCR263476  Encelia actoni A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41503 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 3 miles east of Cabazon, south of I-10 and generally NE of water bottling plant 457 Comment
  SDSU3821  Encelia californica S. J. Barnhart 1966-4-17 660417 -17 Riverside South-west facing slope of small hill 0.1 mi. east of McAllister St. along the Metropolitan Water Co. Untility Road (dirt), which is 1.5. south-east of the intersection of McAllister St. and Victoria Ave. 457 Comment
  CAS-BOT-BC131317  Encelia farinosa Alice Eastwood 1913-4-30 s.n. Riverside Palm Springs Comment
  RSA660554  Encelia farinosa Bruce Albert 1982-4-17 13 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  RSA678416  Encelia farinosa Michael Wall 2003-4-15 334 Riverside Lamb Canyon west of Beaumont, off Hwy. 79, 5.2 mi. south jct. with 10 Fwy up dirt road at turnout along west side of Hwy. 602 Comment
  RSA301998  Encelia farinosa var. farinosa J. R. Shevock 1971-1-30 650 Riverside S entrance Joshua Tree National Monument 396 Comment
  UCR279353  Encelia farinosa var. farinosa A. C. Sanders, Jim Malusa 2017-3-23 42931 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  UCR214289  Encelia farinosa var. phenicodonta A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37484 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
  CAS-BOT-BC131421  Encelia frutescens H. M. Hall 1905-4-1 5859 Riverside Near [Canon] Canyon Springs Comment
  RSA560358  Encelia frutescens Steve Boyd, Carol Boyd, K. A. Boyd 1992-4-19 6915 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  SEINET11859843  Encelia frutescens L. S. Rose 1935-12-23 35701 Riverside Colorado Desert, above Deep Canyon, San Jacinto Mts., 22 mi S of Cathedral City 1067 Comment
  JOTR34294  Ephedra californica Andre, Jim 2012-4-11 20703 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  RSA777283  Ephedra californica Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4739 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 600 Comment
  RSA85169  Ephedra californica F. W. Peirson 1925-4-17 6021 Riverside Cabazon, San Gorgonio Pass. Comment
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Mar 13 2011
  UCSB257  Ephedra californica Gill, Robert 1960-3-23 Riverside About 1 mile from road to Palm Springs on road to Snow Canyon; San Jacinto Mt. Range; Colorado Desert drainage area 396 Comment
  UC20093  Epilobium brachycarpum H. M. Hall Aug 5 1901-Aug 7 1901 2627 Riverside s side San Jacinto Mountains 1615 Comment
  OBI37516  Epilobium canum Steve Boyd 1985-8-7 1109 Riverside Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Rd. 0.8 mi E of jctn with 8S01 and 8S02 Comment
  RSA356607  Epilobium canum subsp. latifolium Robert F. Thorne 1966-10-15 41818 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  UC874272  Epilobium canum subsp. latifolium I. W. Clokey and E. G. Anderson 1935-8-21 6773 Riverside n Keen Camp P.O. 1400 Comment
  UCSB4335  Epilobium glaberrimum Kamb, Peter 1948-7-4 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  UC4487  Epipactis gigantea Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  POM11835  Equisetum laevigatum P. A. Munz, I. M. Johnston 1922-5-21 5515 Riverside Kenworthy, San Jacinto Mountains 1524 Comment
  JOTR16778  Eragrostis cilianensis Hogan, J. 1975-9-6 163 Riverside Joshua Tree National Park. PLEASANT VALLEY PLAYA 999 Comment
  UCR111610  Eragrostis cilianensis Scott D. White 1995-7-7 3443 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  UCR115142  Eragrostis cilianensis Mitch Provance 2000-10-28 2279 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  UCR74526  Eragrostis curvula var. conferta Steve Morgan 1992-7-27 92- 7 Riverside City of Riverside, UCR Campus Comment
  CLARK-A1528-4613  Eragrostis mexicana John C. Roos 1965-7-7 Riverside San Jacinto Comment
  UCR23990  Eragrostis mexicana subsp. virescens John C. Roos 1965-7-7 s.n. Riverside San Jacinto Comment
  UCR93087  Eragrostis minor A. C. Sanders, S. Ogg 1994-7-28 15173 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  SD225016  Eremalche exilis A. C. Sanders, G. Helmkamp & P. MacKay 1995-3-12 16022 Riverside Coachella Valley: Indio, just SW of the Whitewater River Channel at Auto Center Dr. (Hwy 111) -7 Comment
  UC64037  Eremalche exilis H. M. Hall 1898-3-6 871 Riverside Point of Rocks near Riverside Comment
  UCR131726  Eremalche exilis C. B. Wolf 1932-4-27 03027 Riverside Western Colorado Desert, Chuckwalla Valley, Mecca to Blythe road [Hwy 10], 0.75 mile west of Utopia 152 Comment
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Dec 12 2011
  UCR75055  Eremalche rotundifolia A. C. Sanders, E. J. Lawlor 1992-4-4 12094 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA33664  Eremocarpus setiger N. C. Cooper 1943-9-10 900 Riverside Banning. 610 Comment
  RSA544320  Eremocarpus setiger Steve Boyd 1991-9-8 6428 Riverside Peninsular Range Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371. 600 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
  UCSB4374  Eremothera boothii subsp. condensata Atsatt, Pete 1958-3-22 Riverside 7 miles east of Desert Center, on highway 60 & 70, south side of hw Comment
  RSA0026192  Eremothera chamaenerioides Jim Andre 2013-3-4 23872 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 miles west of Hwy 95, approx 12 miles south of Vidal Junction. 127 Comment
  SBBG81712  Eremothera chamaenerioides S. A. Junak 1983-3-24 1657 Riverside N side of Hwy 10, 6.9 mi W of Pinto Basin Rd 426 Comment
  RSA0105500  Eriastrum densifolium subsp. austromontanum Verne Grant, Alva Grant 1951-7-19 16088 Riverside Along Idyllwild road just above Hwy 74, San Jacinto Mts. 1220 Comment
  SD236369  Eriastrum densifolium subsp. elongatum Mark S. Brunell 1993-7-9 124 Riverside Arrouo Seco Creek, adjacent to Dripping Springs Public Campground, ca. 500 m south of terminal loop of campground road, along east bank of creek. 487 Comment
  RSA0120068  Eriastrum eremicum subsp. eremicum M. French Gilman 1926-5-9 A- 15 Riverside Colorado Desert. Morogo Wash. Comment
  SD128331  Eriastrum eremicum subsp. eremicum R. Mitchel Beauchamp 1971-5-16 2427 Riverside Ribbonwood, north side of Santa Rosa Mountains. 1175 Comment
  UC73654  Eriastrum eremicum subsp. eremicum M. F. Gilman 1904-1 21 Riverside Banning Comment
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Mar 13 2011
  UC88210  Eriastrum eremicum subsp. eremicum C. L. Hitchcock 1940-4-4 5956 Riverside Pinto Basin Comment
  CAS-BOT-BC514452  Eriastrum eremicum subsp. eremicum Milo S. Baker 1928-4-3 2789 b Riverside Palm Canyon Road to Palm Springs Comment
  RSA0120086  Eriastrum eremicum subsp. eremicum P. A. Munz 1937-5-29 15148 Riverside Palms to Pines Highway, Deep Canyon, Santa Rosa Mountains. 1067 Comment
  RSA120688  Eriastrum harwoodii Duncan S. Bell 2010-4-1 650 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
  UC23550  Eriastrum sapphirinum A. J. McClatchie April 1892 32 Riverside near Elsinore Comment
  UCR263473  Eriastrum sapphirinum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35588 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, c. 1.25 mi ENE of Mountain Center, nameless tributary to Coldwater Creek north of Johnson Meadow, along trail from May Valley Rd. 1555 Comment
  UCR274192  Eriastrum sapphirinum T. B. Salvato, Gregg Miller 2005-6-7 1433 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
  UCR19151  Eriastrum sapphirinum subsp. dasyanthum John C. Roos 1952-5-26 5723 Riverside Haas' ranch, Reche Canyon 457 Comment
  RSA0122976  Eriastrum sapphirinum subsp. sapphirinum W. Wisura 1986-9-18 4143 Riverside Along PCT N of Hwy 74 at Garner Valley. Comment
  UC101091  Ericameria cooperi var. cooperi H. M. Hall 1901-5-1 Riverside vicinity of Riverside (w Riverside hills) Comment
  JOTR35438  Ericameria linearifolia Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 44 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop1) Comment
  OBI5706  Ericameria linearifolia Carl B. Wolf 1931-5-11 1951 Riverside Hemet Valley, San Jacinto Mtns Comment
  POM359403  Ericameria linearifolia N. R. Zabriskie, W. M. Zabriskie 1971-4-9 372 Riverside Deep Canyon, north slope Santa Rosa Mountains. Ca. 2 miles on water service road south of Highway 74. 1311 Comment
  POM359406  Ericameria linearifolia Ora M. Clark 1929-2-23 1545 Riverside South of Cabazon Comment
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Mar 13 2011
  RSA696866  Ericameria linearifolia J. Russell Bruff 1928-12-4 s.n. Riverside 1 mi. W. of Split Rock. Comment
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Oct 23 2011
  RSA702551  Ericameria palmeri var. pachylepis Scott D. White, Brian Leatherman 2004-10-7 10771 Riverside Perris Basin: City of Perris. Immediately east of the I-215 Freeway, at Watson Road. 434 Comment
  UCR141252  Ericameria palmeri var. pachylepis A. C. Sanders, Kelly Volansky 2004-10-6 28818 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  OBI42653  Ericameria paniculata D. Hoover 1986-4-7 773 Riverside South of Morongo Valley; area at the main BLM gate; base of the main canyon 549 Comment
  SD175795  Erigeron bonariensis Richard W. Schaffer 2006-11-17 1262127 Riverside Indio, lawn near Oasis St. Comment
  POM48719  Erigeron foliosus var. foliosus P. A. Munz, I. M. Johnston 1924-7-29 8840 Riverside 7 mi SE of Poppet Flat, San Jacinto Mts. 1524 Comment
  POM49136  Erigeron foliosus var. stenophyllus Mary F. Spencer 1919-6-19 1201 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  CLARK-A1528-206  Erigeron philadelphicus C. M. Flanagan 1973-4-26 OO 317 Riverside Morongo Indian Reservation 1158 Comment
  CLARK-A1528-4622  Eriochloa acuminata John C. Roos 1937-11-28 Riverside Riverside Comment
  UC1087301  Eriodictyon crassifolium E. K. Balls and P. C. Everett 1957-11-4 22743 Riverside Snow Creek; n base San Jacinto Mts., Snow Creek 701 Comment
  SD229192  Eriodictyon crassifolium var. crassifolium Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 901 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  RSA13797  Eriodictyon trichocalyx Victor Duran 1933-7-1 3489 Riverside Near Santa Rosa, Santa Rosa Mts 1677 Comment
  RSA783130  Eriogonum J. D. Olmsted 1959-9-23 1005 Riverside Hemet-Idyllwild road above Mt. Center and garbage pit where road from Saunder's Mdws. comes along stream draining DSS pond 1524 Comment
  POM161552  Eriogonum apiculatum Ralph Hoffmann 1929-9-5 s.n. Riverside Strawberry Valley. 2134 Comment
  SBBG61844  Eriogonum apiculatum R. Hoffmann 1929-9-10 Riverside trail to Tahquitz Pk 2438 Comment
  SEINET7064411  Eriogonum cithariforme var. cithariforme A. G. Vestal 1963-5-19 s.n. Riverside Ca. 0.5 mile west of Cahuilla. (NAD83/WGS84). UTM Zone 11, 522925mE, 3711215mN. 1091 Comment
  CAS-BOT-BC242794  Eriogonum davidsonii James L. Reveal; Barbara J. Ertter 1976-6-30 4564 Riverside San Jacinto Mountains, Pinyon Flat, 2 miles north of California Highway 74 along Palm Canyon Drive 1249 Comment
  JEPS56685  Eriogonum davidsonii Carl V. Meyer 1928-7-30 577 Riverside Saunders Meadow San Jacinto Mt. Comment
  RSA393469  Eriogonum davidsonii Donald Myrick 1969-10-20 2128 Riverside Along Hwy 74 east of Hemet. 1067 Comment
  SD95204  Eriogonum davidsonii G. L. Webster, R. Hildreth 1966-12-9 7452 Riverside Joshua Tree National Mon., parkland at Split Rock 1310 Comment
  UCSB63448  Eriogonum davidsonii Ballmer, G.; Stockwell, K. 1995-6-24 Riverside San Jacinto Mountains: along trail from Morris Ranch Road to Pacific Crest Trail, near Pyramid Peak. 1981 Comment
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Dec 5 2014
  JOTR34328  Eriogonum deflexum var. deflexum Andre, Jim 2012-4-11 20832 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  RSA554248  Eriogonum deflexum var. deflexum Theo Glenn 1991-5-15 91134 Riverside Colorado Desert Little Maria Mountains, NW of Blythe. 390 Comment
  RSA592689  Eriogonum deflexum var. deflexum Scott D. White, Duayne Haselfeld 1996-7-2 4273 -A Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  RSA799254  Eriogonum deflexum var. deflexum Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 734 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  RSA516763  Eriogonum fasciculatum var. foliolosum Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA766112  Eriogonum fasciculatum var. foliolosum Joseph A. Ewan 1930-4-17 2193 Riverside Near mouth of Snow Canyon. 610 Comment
  RSA0123106  Eriogonum fasciculatum var. polifolium Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9013 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
  RSA393335  Eriogonum fasciculatum var. polifolium Jeannette B. Edge 1934-4-22 s.n. Riverside Jurupa Mountains, Mountain slope 549 Comment
  RSA613164  Eriogonum fasciculatum var. polifolium Donald A. Johansen, J. A. Ewan 1932-4-10 7048 Riverside Warrens Ranch at Whitewater. Comment
  SD143785  Eriogonum fasciculatum var. polifolium Scott D. White 1997-5-25 5227 Riverside San Jacinto Mts.; Bautista Canyon: Hixon Trail between trailhead at Bautista Ctn. Rd. and intermittent stream crossing 975 Comment
  UC1463086  Eriogonum fasciculatum var. polifolium Arthur S. Barclay and Juan Arguelles 1965-3-22 1870 Riverside 10 mi se, along State Highway 74 State Highway 111 914 Comment
  UCD100051  Eriogonum fasciculatum var. polifolium Mitch Provance; Kerry Knudsen, Petra Wester 2004-5-8 9005 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mile NE of Black Hills. 854 Comment
  UCR123839  Eriogonum fasciculatum var. polifolium Steven R. Hill 2001-5-3 33693 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
  SEINET10280031 Image available Eriogonum gracile John C. Roos 1952-8-27 5888 Riverside Peninsular Range; Riverside; Pigeon Pass, Box Springs Mountains. 457 Comment
  SEINET5549456  Eriogonum gracile H. S. Gentry 1954-1 14256 Riverside Dripping Springs, along Route 79. Comment
  UCR154460  Eriogonum gracile Jason L. Hlebakos 2005-5-30 801 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
  UCR162622  Eriogonum gracile S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  RSA33368  Eriogonum gracile var. gracile N. C. Cooper 1943-9-26 929 Riverside Cabazon. 610 Comment
  RSA242147  Eriogonum gracile var. incultum James L. Reveal, Caroline G. Reveal 1972-8-9 2857 Riverside Along California Highway 243, 4 miles north of the road junction with Highway 74, 0.5 mile south of the center of Idyllwild Comment
  RSA779725  Eriogonum inflatum Duncan S. Bell 2009-3-8 93 Riverside Arica Mountains: center of mountain range in the vicinity of Priest Mine approximately 2 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 467 Comment
  SD143489  Eriogonum inflatum W. L. Halvorson 1977-3-8 77 81 Riverside Desert, 1 mile south of the south entrance to Joshua Tree Nat'l Monument Comment
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Nov 6 2011
  JOTR35297  Eriogonum maculatum Andre, Jim 2012-4-11 20794 Riverside Joshua Tree National Park. western margin of Eagle Mountains, along road to Cottonwood Spring (Utah Trail), 0.7mi N of Cottonwood Visitor Center 956 Comment
  RSA239211  Eriogonum molestum James L. Reveal, Caroline G. Reveal 1972-8-9 2865 Riverside San Jacinto Mountains, along California Hwy 243, 1.6 miles north of Alandale Ranger Station, about 7 miles north of Idyllwild, near Fuller Mill Creek Comment
  RSA90134  Eriogonum molestum E. K. Balls, Percy C. Everett 1953-8-19 18530 Riverside On Hwy from Banning to Idyllwild, SE from Lake Fullmore. 1677 Comment
  UCR50885  Eriogonum nidularium A. C. Sanders 1988-5-11 7808 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  UC849625  Eriogonum nudum var. pauciflorum I. W. Clokey, E. G. Anderson 1935-8-21 6590 Riverside Keen Camp P.O. 1425 Comment
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Nov 20 2010
  JOTR33715  Eriogonum plumatella La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1003 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains in Cottonwood Canyon; large active wash in rocky canyon along roadside east of Rte. 11 839 Comment
  CAS-BOT-BC253016  Eriogonum reniforme Annie M. Alexander; Louise Kellogg 1941-5-15 2178 Riverside North base of Eagle Mountains, Colorado Desert 914 Comment
  RSA650353  Eriogonum reniforme William Gilbert 1969-5-24 s.n. Riverside Hwy. 74, Hwy. marker #88 13. Comment
  RSA777761  Eriogonum reniforme Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1082 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  SBBG1613  Eriogonum reniforme H. and M. Dearing 1937-4-10 Riverside 16 mi N of Indio Comment
  UC454076  Eriogonum saxatile I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2438 Comment
  PASA1496  Eriogonum thomasii 1926-2-21 Riverside Thousand Palms Comment
  RSA395867  Eriogonum thomasii Steven A. Junak 1983-3-23 1635 Riverside East side of Jefferson Road, opposite entrance to Cahuilla Lake County Park, south of Indio. 0 Comment
  SBBG1630  Eriogonum thomasii H. and M. Dearing 1940-1-1 4067 Riverside near Mecca Comment
  SBBG92801  Eriogonum thomasii D. Charlton 1988-2-18 1143 Riverside Fargo Cyn Rd to Cottonwood Wash, parallel to Interstate 10, ca. 1 mi E of jct of Dillon Rd and Fargo Cyn Rd 609 Comment
  UC6366  Eriogonum thomasii C. R. Orcutt Apr. 1889 Riverside Colorado Desert Comment
  UCR101593  Eriogonum thomasii Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  RSA527848  Eriogonum thurberi Scott D. White 1991-5-13 91 -117 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  UCR118213  Eriogonum thurberi Mitch Provance 1999-5-4 1694 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  SD38957  Eriogonum trichopes Edith A. Purer 1935-4-21 6460 Riverside Desert floor, near Palm Springs Comment
  UC912821  Eriogonum trichopes Alice Eastwood 1913-4-30 3050 Riverside Palm Springs Comment
  UCSB42148  Eriogonum wrightii Roos, John 1965-9-26 Riverside Palm Springs Station Comment
  CAS-BOT-BC264928  Eriogonum wrightii var. membranaceum Peter Kamb 1948-10-21 1274 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  UC6551  Eriogonum wrightii var. membranaceum H. M. Hall 1897-7-31 755 Riverside Hemet Valley San Jacinto Mountains, Hemet Valley 1524 Comment
  UCR13757  Eriogonum wrightii var. membranaceum N. R. Zabriskie, W. W. Zabriskie 1969-11-22 240 Riverside Peninsular Range; San Jacinto Mtns., south end Marion Ridge Road, Pine Cove, Idyllwild 1829 Comment
  RSA423141  Eriogonum wrightii var. nodosum N. R. Zabriskie, Walter Zabriskie 1972-3-28 478 Riverside North Canyon, Andreas Canyon watershed, east slope San Jacinto Mts. 610 Comment
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Oct 1 2011
  UCR274220  Eriogonum wrightii var. wrightii Duncan S. Bell, Evan Meyer 2014-10-28 7667 Riverside northwest section Orocopia Mountains, c. 1.8 air miles northwest of the summit of Orocopia Mountain 936 Comment
  HSC86342  Eriophyllum confertiflorum Melody Lardner 1981-6-4 201 Riverside San Jacinto Mtns. on Hwy. 243, 7 mi. S of Banning at McMullen Flat 1220 Comment
  POM306145  Eriophyllum confertiflorum Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1336 Riverside Palms to Pines Highway. Comment
  JOTR32188  Eriophyllum confertiflorum var. confertiflorum Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  SD133183  Eriophyllum confertiflorum var. confertiflorum Scott White 1991-5-13 91 85 Riverside Highway 79 immediately west of U. S. Forest Service Campground at Dripping Springs. 550 Comment
  UC1118327  Eriophyllum confertiflorum var. confertiflorum R. St. John 1931-3-28 200 Riverside Elsinore Plot #134 Elsinore Quadrangle 457 Comment
  UC1118348  Eriophyllum confertiflorum var. confertiflorum C. Van Fleet 1931-1-24 8 Riverside ne of Oak Mountain; San Jacinto Quadrangle 731 Comment
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Nov 27 2011
  CAS-BOT-BC296971  Eriophyllum wallacei Ira L. Wiggins 1941-3-27 9695 A Riverside Slopes 4 miles north of Whitewater Comment
  CAS-BOT-BC302037  Eriophyllum wallacei Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  UCR87145  Eriophyllum wallacei A. C. Sanders, K. C. Rose, , D. Woodard 1995-3-15 16121 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCR169319  Erodium botrys T. B. Salvato, John F. Green 2004-5-27 615 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
  SEINET269332  Erodium cicutarium Karen Kirtland 1993-6-19 Riverside San Jacinto River Valley: along I-215 between 4th St. (Perris) and approximately 0.25 miles south of the San Jacinto Riv 430 Comment
  SEINET244841  Erodium macrophyllum Ian G. Gillespie 2000-4-19 10 Riverside Temescal Valley; 0.9 mi SE of Indian Truck Trail and 30 m S of DePalma Road. 427 Comment
  UC71993  Erodium macrophyllum Miss M. A. King May 1893 Riverside between Menifee and Perris Comment
  RSA741424  Erodium moschatum Justin M. Wood 2008-12-2 262 Riverside SW Perris Basin: City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  JOTR31210  Erodium texanum Cipra, Jane, Jane Cipra 2009-4-27 sn Riverside Joshua Tree National Park. Pinto Basin; Near turkey flat 594 Comment
  UCR33575  Erodium texanum Sears 1978-3-16 813 Riverside Sonoran (Colorado) Desert, 3.5 mi SE of Midland 244 Comment
  RSA0016060  Erythranthe breweri N. C. Cooper 1944-7-16 1567 Riverside Above Pine Cove, San Jacinto Mtns. 1829 Comment
  SBBG66754  Erythranthe cardinalis M. Lewis 1947-8-26 23 Riverside Dark Cyn 1981 Comment
  SD137602  Erythranthe floribunda Steve Boyd 1995-4-24 8492 Riverside Agua Tibia Wilderness Area, northeastern base of Wildhorse Peak, west of Devil's Hole, along the Wildhorse Trail near peak known as Agua on USGS Vail Lake 7.5' quadrangle 762 Comment
  RSA0014880  Erythranthe primuloides M. B. Dunkle 1933-7-22 3749 Riverside Tahquitz Valley. 2317 Comment
  RSA678285  Eschscholzia californica subsp. californica Michael Wall 2003-5-24 295 Riverside Northeast of Skinner Reservoir, off Rawson Rd. at jct with Hidden Falls Rd., 2.5 miles from jct. with Washington Ave. off Winchester Rd. 553 Comment
  POM115639  Eschscholzia minutiflora A. M. Alexander, Louise Kellogg 1941-5-15 2179 Riverside Base of Eagle Mountains. 915 Comment
  SD225053  Eschscholzia minutiflora G. K. Helmkamp 1998-4-4 3133 Riverside Southern Mojave Deset: junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center- Rice Rd.) 474 Comment
  RSA0124034  Eschscholzia papastillii Duncan S. Bell, LeRoy Gross 2016-3-10 8879 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
  JOTR36434  Eschscholzia parishii La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3405 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
  RSA444327  Eschscholzia parishii Walter Wisura 1988-3-1 4195 Riverside 2.5 mi fr. I 10 along Box Canyon Rd. toward Mecca Comment
  RSA445437  Eschscholzia parishii E. C. Jaeger 1920-4-20 s.n. Riverside Palm Springs. Comment
  RSA779925  Eschscholzia parishii Jim Andre 2011-2-9 15907 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  SD260096  Eschscholzia parishii J. Andre 2012-4-11 20783 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. At interface of steep rocky hills and large wash. 729 Comment
  RSA0022915  Eschscholzia parishii I. M. Johnston 1917-4-4 1003 Riverside Colorado Desert: Palm Canyon. 305 Comment
  SD247455  Eucalyptus tereticornis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41560 Riverside Peninsular Range Eastern Foot of the Santa Ana Mountains: Temescal Canyon NW of Horsetheif Canyon Road along DePalma Road, SE of Glen Eden Road and south of the east end of Lee (Corona) Lake, south side of I-15 (Alberhill 7.5'Q) 370 Comment
  UCD119345  Eucrypta chrysanthemifolia Geoffrey Levin 1975-4-26 483 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. 335 Comment
  UCR111558  Eucrypta chrysanthemifolia Mitch Provance 1999-5-4 1706 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR116971  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato 2001-5-3 24096 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UC880718  Eucrypta chrysanthemifolia var. chrysanthemifolia P. A. Munz 1922-4-29 5081 Riverside w of Lake Elsinore (e slope of Elsinore Mts); Elsinore Mts. 487 Comment
  UC1971230  Euonymus occidentalis var. parishii Scott D. White 1998-7-31 6946 Riverside IDYLLWILD AREA: Strawberry Creek between crossing at Circle Dr. and Humber Park. USGS 7.5' San Jacinto Peak quad. Comment
  UCR128937  Euphorbia micromera Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  RSA220385  Euphorbia polycarpa var. hirtella C. W. Tilforth 1971-4-15 345 Riverside C. 6 mi. n. w. of Desert Center, s. e. base of the Eagle Mtns. Comment
  UCR74375  Euphorbia setiloba Theo Glenn 1991-5-2 91- 25 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  SD152865  Euphorbia spathulata Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7351 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 (mak 1/06) 370 Comment
  RSA604410  Eustoma exaltatum Louis C. Wheeler 1932-9-4 1338 Riverside Santa Ana River at Chino Creek 183 Comment
  SEINET6727164 Image available Fagonia chilensis var. laevis M. B. Dunkle 1935-3-30 4426 Riverside Pinto Basin. Colorado Desert. 914 Comment
  UC569996  Fagonia laevis H. S. Yates 1936-4-7 5445 Riverside 8 mi n Mecca; Thermal Quad. 457 Comment
  UCR148076  Fagonia laevis 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
  UCR113941  Festuca arundinacea Mitch Provance 2000-6-24 2065 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  CLARK-A1528-4652  Festuca grayi John C. Roos 1952-4-9 5482 Riverside Fairmount Park 259 Comment
  RSA0121055  Festuca octoflora Duncan S. Bell, LeRoy Gross 2016-3-29 9117 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
  UCR2418  Festuca octoflora F. M. Reed 1908-4-26 2317 Riverside Riverside. Along Crestmore railroad north of Fairmount Park Comment
  UCR197060  Ficus carica A. C. Sanders, D. L. Sanders 2008-9-27 36112 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
  RSA272184  Filago californica C. W. Tilforth 1978-4-30 1581 b Riverside Low, rounded hills east of Norco Comment
  UCR167418  Filago californica John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  RSA613452  Filago gallica D. L. Banks, Victor Steinmann 1997-3-13 1440 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  JOTR31144  Forestiera pubescens La Doux, Tasha 2009-6-3 1854 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  SEINET244832 Image available Forestiera pubescens A. C. Sanders 2002-4-16 24967 Riverside The Badlands: Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 549 Comment
  CSUSB831  Fouquieria splendens Steve G. Nelson 1974-4-13 Riverside Highway 195, four miles southwest of junction with US Highway 10. Comment
  SDSU181  Fragaria vesca Bruhns 1965-5-23 121 Riverside Along riverside Co. highway R-1, where it corsses Mill Creek, outside of Idyllwild. Damp, shady flat in Yellow PIne Forest. Comment
  PASA1847  Franseria dumosa R. Peirce 1966-4-21 Riverside 2 mi. W. of Windy Point, 2 mi. S. of White Water P.O. Comment
  POM244242  Frasera parryi Carl B. Wolf 1936-6-17 7963 Riverside Santa Ana Mts., Tenaja Road, North end of La Cienaga. 732 Comment
  SD119908  Fraxinus dipetala Louis B. Ziegler 1969-5-20 364 Riverside San Jacinto Mountains; Bautista Canyon, upper canyon . 1143 Comment
  JEPS42943  Fraxinus velutina Marjorie D. Clary 1932-7-4 938 Riverside 10 mi se Kenworthy; Santa Rosa MTs. Comment
  UCR132720  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11132 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  RSA430208B  Fremontodendron californicum E. Misquez 1987-4-11 s.n. Riverside Motte Reserve, west of Hwy 215, at the end of a paved and dirt road at the end of Nuevo Rd. , near the water tanks--species planted here. Comment
  RSA667307  Funastrum cynanchoides var. hartwegii B. Pitzer 1989-4-16 1309 Riverside Chocolate Mountains Aerial Gunnery Range. 4 km W of Tabaseca Tank, in Impact Area. 620 Comment
  UCR89833  Funastrum cynanchoides var. hartwegii Scott D. White 1993-5-27 1430 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  RSA0042855  Funastrum hirtellum Duncan S. Bell, LeRoy Gross 2014-3-20 6273 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA718571  Funastrum hirtellum Michael Honer, L. Hulse 2004-4-3 1890 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  SJSU11074  Funastrum hirtellum R. C. McGhee 1970-5-1 257 Riverside Chuckwalla Rd 1 mi W of Chuckwalla Spring, Chuckwalla Mts Comment
  RSA627512  Galium angustifolium subsp. angustifolium Scott D. White, Julie Greene 1998-8-1 6967 Riverside Idyllwild area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Dr. and Humber Park. 1829 Comment
  UC28166  Galium angustifolium subsp. angustifolium Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  RSA769768  Galium aparine Duncan S. Bell, Joy D. England 2010-5-17 1001 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1045 Comment
  UCR147259  Galium californicum subsp. primum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1280 a Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  UCR272502  Galium murale Mitch Provance 2012-4-20 612- 59 Riverside San Gorgonio Pass, Banning, borderline with Beaumont, Walgreens parking lot on Highland Springs Ave. and W. Ramsey St. 790 Comment
  RSA489829  Galium parishii D. Charlton 1988-5-28 2123 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2287 Comment
  UCR155336  Galium porrigens A. C. Sanders, Mike Misenhelter 2005-3-23 29266 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA751913  Galium porrigens var. porrigens Scott D. White, Justin M. Wood 2009-5-22 12916 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. 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
  UCR18855  Garrya flavescens John C. Roos 1950-3-6 4788 Riverside Santa Ana Mtns., head of Hagador Canyon. 1037 Comment
  CAS-BOT-BC158023  Garrya veatchii A. C. Sanders; S. Hawkins; J. Goetzen; D. Freeman 1996-5-1 18121 Riverside San Bernardino Mtns.; Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats, along the road below the pond 1097 Comment
  RSA234079  Garrya veatchii Robert F. Thorne, E. Lathrop 1969-6-6 39331 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  UCR131723  Gayophytum nuttallii C. B. Wolf 1932-8-5 03932 Riverside San Jacinto Mtns, summit of Devil's Slide Trail from Idyllwild to Tahquitz Valley 2439 Comment
  SEINET10492283  Gayophytum nuttallii David B. Dunn 1946-8-17 Dunn 2686 Riverside Grass near stream at camp in taquity valley damp meadow area. San jacinto mountains. 2438 Comment
  RSA613461  Gazania linearifolia D. L. Banks, Victor Steinmann 1997-3-13 1431 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  HSC25080  Geraea canescens Richard Spjut 1972-2-7 2175 Riverside Riverside/ San Bernardino Co.; Colorado Desert: along roadside from 4 to 10 mi. W of Rice (N end of Maria Sand Dunes) along Hwy. to Tewnty-nine Palms Hwy. to Desert Center 305 Comment
  POM358656  Geraea canescens M. B. Dunkle 1935-3-17 4404 Riverside Desert Center. 610 Comment
  RSA696892  Geraea canescens W. Marquart 1938-3-12 s.n. Riverside 10 mi. E. of Desert Center. Comment
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Apr 14 2013
  SD128749  Geraea canescens Darley F. Howe 1980-4-15 Riverside 2 miles west of Mesa Verde, south slope of McCoy Mountains, Highway 10 Comment
  SJSU10568  Geraea canescens R. C. McGehee 1970-3-4 119 Riverside Mission Sweet Mine Rd at junction with boundary of Joshua Tree National Monument Comment
  UCR60797  Geraea canescens Steve Boyd, O. Mistretta 1986-3-13 1441 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UC64175  Geranium californicum H. M. Hall Aug 1901 2576 Riverside Tauquitz Valley San Jacinto Mountains 2438 Comment
  POM8327  Geranium richardsonii Mary F. Spencer 1919-6-26 1225 Riverside Idyllwild, San Jacinto Mountains. 1524 Comment
  RSA0112037  Gilia A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35591 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek watershed, c. 1.25 mi ENE of Mountain Center, nameless tributary to Coldwater Creek north of Johnson Meadow, along trail from May Valley Rd. 1524 Comment
  UCR152523  Gilia A. C. Sanders 2005-4-22 29610 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  RSA470127  Gilia angelensis N. C. Cooper 1944-3-24 1025 Riverside Banning. 701 Comment
  RSA556489  Gilia angelensis Julie Greene 1993-3-13 1061 Riverside On slope by trailers. 426 Comment
  UCR114822  Gilia angelensis Mitch Provance, Seychelle Provance 1998-2-21 90 Riverside Pedley Hills, E side of Camino Real, c. 0.5 miles south of Jurupa Road, in the areas of Pedley/Glen Avon. 396 Comment
  UCR90273  Gilia angelensis Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-7-16 3328 Riverside Santa Ana Mtns, Proposed pipeline route: Lake Elsinore Pumped Storage Hydroelectric project. Steep NE facing mtn slope west of Lake Elsinore, SE of Hwy 74. 915 Comment
  UCR216245  Gilia capitata Oleg Pryadko 2008-5-2 085 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  UCR252210  Gilia capitata J. Mendoza 2011-5-13 s.n. Riverside Santa Ana River Regional Park near Louis Rubidoux Nature Center 221 Comment
  POM17826  Gilia capitata subsp. abrotanifolia P. A. Munz, D. D. Keck 1923-6-14 7073 Riverside Santa Ana Mountains: Santiago Peak. 1524 Comment
  RSA63395  Gilia capitata subsp. abrotanifolia Verne Grant, Alva Grant 1948-5-23 8578 Riverside Near Hemet. 1067 Comment
  RSA741207  Gilia capitata subsp. abrotanifolia Scott D. White, Justin M. Wood 2008-5-15 11960 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  SEINET14643541  Gilia diegensis H. M. Hall 1904-5-19 4949 Riverside Fairmount Park, viciinity of Riverside. 244 Comment
  SEINET7072837  Gilia diegensis 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
  JEPS4070  Gilia ochroleuca subsp. exilis W. L. Jepson 1901-5-20 1316 Riverside Thomas Valley San Jacinto Mts., Thomas Valley Comment
  SBBG5862  Gilia ochroleuca subsp. exilis C. H. Muller 1952-4-5 9491 Riverside White Water Cyn, 1 mi above Whitewater Comment
  CAS-BOT-BC407806  Gilia ochroleuca subsp. exilis H. M. Hall 1901-6-1 2060 Riverside San Jacinto Mountains, vicinity of Chalk Hill 1524 Comment
  RSA0017094  Gilia ochroleuca subsp. exilis D. L. Banks 1997-5-5 1958 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, approximately 60 m east of its intersection with Pechanga Creek 396 Comment
  SD20331  Gilia stellata L. Haines, L. Erickson 1937-4-10 Riverside Palms to Pines Highway near road to Shumay. Comment
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Dec 17 2011
  UC1302375  Gilia stellata Robert F. Thorne 1963-3-29 32425 Riverside ca 12 mi ene Mecca (sandy desert wash); ene of Mecca Comment
  JOTR00893  Gilia stellata Sipe, Frank 1958-3-10 266 Riverside Joshua Tree National Park. PINTO BASIN Comment
  SD146033  Glebionis coronaria A. C. Sanders 1998-4-16 21753 Riverside Field on the west side of Iowa Ave., just north of the Santa Fe Railroad tracks. 287 Comment
  UCR178206  Glyceria declinata T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 905 Riverside San Bernardino Mtns., Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07 1220 Comment
  POM12085  Glycyrrhiza lepidota Mary F. Spencer 1734 Riverside Canyon near San Jacinto Comment
  UC73173  Glycyrrhiza lepidota M. F. Gilman 1904-1 41 Riverside Banning Comment
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Mar 13 2011
  UC64146  Gnaphalium palustre H. M. Hall 1897-8-11 812 Riverside Surprise Lake San Jacinto Mountains, Surprise Lake 2743 Comment
  UCR20734  Gnaphalium stramineum A. C. Sanders, Steve Boyd 1980-5-2 1404 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA524583  Guillenia lasiophylla Steve Boyd, L. Arnseth, J. Bonilla, Tim Ross 1990-4-3 4131 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA192003  Gutierrezia californica H. A. Zuill 1966-6-27 249 Riverside 10 miles SW of Murrieta and 1/2 mile W of Tenaja Gd street Comment
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Mar 28 2013
  RSA597056  Gutierrezia californica D. L. Banks, Lauren Raz 1996-11-5 1161 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; E of a newly established firebreak along a NW-SE running ridgeline, SW of the water tank in section 34. 390 Comment
  SD137879  Gutierrezia sarothrae Darin L. Banks, Steve Boyd 1995-10-26 827 Riverside Northwest Palomar Mountains; Cleveland National Forest, west of the Wo odchuck Trail lat the first grassland area along trail. 740 Comment
  SFV20156  Gutierrezia sarothrae J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-5 263 .3 Riverside Santa Rosa Mountains Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 0.7 miles from Highway 74. 1500 Comment
  UCR13690  Haplopappus menziesii J. Gull 1973-7-31 s.n. Riverside Hills east of Norco Comment
  CAS-BOT-BC231096  Harpagonella palmeri Steve Boyd; Laurel Arnseth; Jaime Bonilla 1990-4-3 4060 Riverside Vail Lake area, summit of 'Big' Oak Mountain at E end 792 Comment
  RSA0066621  Harpagonella palmeri A. C. Sanders 2006-5-19 32379 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn/Scott Rd. and north of Clinton Keith Rd. 518 Comment
  SDSU18360  Harpagonella palmeri C. Matt Guilliams 2008-2-21 458 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 418 Comment
  UCR59754  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3029 Riverside Peninsular Range, Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain 488 Comment
  UCR63946  Harpagonella palmeri D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1785 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR281828  Hazardia squarrosa Mitch Provance 2017-8-9 817- 01 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SCE transmission Rd. on ridge just SW of El Casco Lake 643 Comment
  SBBG8403  Helianthus niveus H. and M. Dearing 1942-2-24 4803 Riverside Cathedral City, near Palm Springs 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
  UCSB37798  Helianthus niveus Roos, John 1962-4-3 Riverside Palm Springs Airport 121 Comment
  UCR72157  Heliotropium convolvulaceum Theo Glenn 1991-5-8 91- 80 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 378 Comment
  UCR20804  Hemizonia fasciculata A. C. Sanders 1980-5-13 01453 Riverside Gavilan Hills, near Lake Mathews, intersection of Cajalco Rd. and Mockingbird Cyn. [El Sobrante] Rd. Comment
  UCR117087  Hemizonia kelloggii A. C. Sanders, T. B. Salvato 2001-5-16 24299 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  RSA614089  Hemizonia mohavensis A. C. Sanders, Clarke, Alexander, et al. 1994-1-1 14224 Riverside Drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Road (dirt). 280 Comment
  UCR165187  Hemizonia mohavensis Margaret Bornyasz 2003-8-7 s.n. Riverside Peninsular Range; San Jacinto Mtns., 0.5 mi SE of Twin Pines Ranch, near unnamed tributary of Azalea Creek 1059 Comment
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Jan 5 2009
  UCR150040  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
  UCR187504  Hemizonia paniculata Theresa Johnson 2006-9-27 286 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Tenaja Road west of Squaw Mountain, c. 1 mile NW of Tenaja Guard Station 598 Comment
  UCR239889  Hemizonia paniculata O. F. Clarke 2004-5-7 s.n. Riverside Peninsular Range; San Jacinto Valley, San Jacinto Wildlife Area 442 Comment
  UCR266357  Hemizonia paniculata D. E. Bramlet 2005-6-28 3884 Riverside Murrieta, Elm St. NE of I-15, just S of I-215 junction 329 Comment
  UCR230882  Hemizonia pungens subsp. laevis Jeremiah George 2011-7-15 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore, southwest of corner of Pasadena and 3rd St. 385 Comment
  UCR55654  Hemizonia pungens subsp. laevis L. F. LaPre 1988-6-3 s.n. Riverside Peninsular Range, Indian Trails project site, Indian Truck Trail exit on W side of I-15 fwy in Temescal Cyn, c. 1/4 mi from the freeway Comment
  RSA779019  Hesperocallis undulata Duncan S. Bell 2010-4-1 651 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
  CHSC110685  Hesperocnide tenella Dean Wm. Taylor 2003-5-7 18532 Riverside Lakeview Mountains, 0.4 air miles SSE of Nuevo Benchmark, under electrical transmission line corridor. Comment
  RSA612504  Hesperocnide tenella D. L. Banks 1997-2-17 1269 Riverside NW Palomar Mtns, Agua Tibia Mtns: NW foothills of Dorland Mountain at the south end of Los Caballos Road, the University of California-Emerson Oaks Reserve. The western most portion of the Preserve, south of a large, privately owned citrus grove. 445 Comment
  UCR94486  Heterocodon rariflorum Steve Boyd 1995-5-13 8511 Riverside Santa Ana Mtns, W of 'Onion Hill', SE of Elsinore Peak Area along trail following old Main Divide Road grade. 1006 Comment
  RSA0075887  Heterotheca grandiflora Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. All of sec. 33, W/2 sec. 34, NW/4 sec. 3 [T6S] and a small portion of eastern sec 35. 488 Comment
  SDSU4589  Heterotheca grandiflora James C. Dice, J. Dewald 1987-9-28 729 Riverside North side of Temecula Gorge, near entrance to field station site, ca. 4.5 km ENE of Gavilan Mountain. T3S, R3S, northeast 1/4 of northeast 1/4 of section 27. 329 Comment
  UC1211966  Heterotheca grandiflora Otto T. Solbrig 1958-8-18 2757 Riverside junction of Highway 71 and Highway 395 (on road to Palomar) Comment
  SDSU1699  Heterotheca sessiliflora F. Young Berg 1933-8-28 1547 Riverside Idyllwild, San Jacinto Mts. Comment
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Mar 10 2014
  POM10026  Heterotheca sessiliflora subsp. echioides Anonymous 1904-9-23 s.n. Riverside Betw Temescal & Elsinore. Comment
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Jul 4 2010
  UC858011  Heuchera hirsutissima P. A. Munz 1922-7-7 6044 Riverside San Jacinto Peak 3285 Comment
  SD258431  Hibiscus denudatus J. M. Andre 2013-3-4 23876 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 mile west of Hwy 95, approx 12 miles S of Vidal Jct. 127 Comment
  POM10495  Hieracium albiflorum Charlotte M. Wilder 1909-7-10 980 Riverside Above Strawberry Valley, San Jacinto Mts Comment
  JEPS36587  Hieracium horridum Carl V. Meyer 1928-7-31 610 Riverside Summit of Tahquitz Peak San Jacinto Mts., Summit of Tahquitz Peak 2682 Comment
  CAS-BOT-BC318753  Hieracium horridum Edmund C. Jaeger 1924-7-3 s.n. Riverside Strawberry Valley, San Jacinto Mts. 2194 Comment
  RSA0107461  Hilaria rigida Duncan S. Bell 2011-9-30 2944 Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  UCD89916  Hilaria rigida A. A. Beetle 1942-4-22 3183 Riverside Rts. 60 and and 0 (sic), 5 miles east of Shavers Summit. Comment
  RSA405282  Hoffmannseggia glauca J. S. Stubblefield 1934-9-12 s.n Riverside Between Desert Center & Blythe. 106 Comment
  UC724324  Hoffmannseggia glauca Aven and Ruth Nelson 1939-3-30 3344 Riverside between Mecca and Blythe (Highway 70) Comment
  LA45787  Hoffmannseggia microphylla Miss Halflaud; March 1925 6483 Riverside Palm Springs 0 Comment
  LA45789  Hoffmannseggia microphylla Martha Hilend; 1929-7-27 363 Riverside Shaver's Well Comment
  SD122905  Hoita macrostachya Steve Boyd 1985-7-30 1049 Riverside De Luz Road, 10.4 miles west of Rancho California, in wet sand along stream at the point where east branch of De Luz Creek first crosses the road Comment
  UCR2463  Holcus lanatus F. M. Reed 1907-6-23 1434 Riverside Santa Ana River, City of Riverside, old field in the Santa Ana River bottom above the bridge on the West Riverside Road 244 Comment
  UC1608291  Holodiscus discolor Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7357 Riverside SW of Fishermans Camp at confluence of San Mateo and Tenaja Creeks Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 365 Comment
  RSA609949  Hordeum intercedens D. E. Bramlet 1996-4-22 2459 Riverside San Jacinto Wildlife Area, Lovell Unit. The site is approximately 198m east of Davis Road and183m north of the San Jacinto River. This locality was some 46m south of the existing access road., 11S X 04 88 978mE X 37 45 950mN 432 Comment
  UCR189805  Hordeum intercedens Theresa Johnson 2007-3-27 314 Riverside San Jacinto Valley, San Jacinto Wildlife Area east of Davis Road, on southern edge of self-guided tour's 'Marsh A 433 Comment
  UCR100629  Hordeum murinum A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19894 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  CAS-BOT-BC148569  Horkelia clevelandii Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  SBBG2939  Horkelia clevelandii H. and M. Dearing 1940-6-9 4365 Riverside Palms to Pines Hwy near Herkey Crk Comment
  UCR146439  Horkelia clevelandii R. F. Thorne, Et al. 1969-6-24 38078 Riverside Peninsular Ranges; San Jacinto Mountains, San Bernardino National Forest, above James Reserve in Hall Canyon 1677 Comment
  LA207995  Horkelia clevelandii var. clevelandii W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  UCR49238  Hornungia procumbens Steve Boyd 1986-4-2 1622 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  CAS-BOT-BC201092  Hosackia crassifolia Carl B. Wolf 1932-8-4 3909 Riverside San Jacinto Mts. Point View, near Idyllwild 1645 Comment
  SEINET480191  Hulsea vestita subsp. callicarpha D. Wilken 1969-6-30 Riverside Along road to Toro Peak, 5.9 miles south of California State Hwy 74, Santa Rosa Mountains Comment
  UC169663  Hulsea vestita subsp. callicarpha S. B. and W. F. Parish Jul 1880 531 Riverside San Jacinto Mts Comment
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Mar 4 2008
  SBBG119937  Hydrocotyle ranunculoides A. C. Sanders with O. F. Clarke 1991-6-10 11120 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  POM126316  Hymenoclea salsola Thos Craig 1927-4-2 3 Riverside Hidden Springs Canyon; Colorado Desert. Comment
  POM41959  Hymenoclea salsola Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sea near Oasis. Comment
  POM4806  Hymenoclea salsola Marjorie Shaw 1916-03 s.n. Riverside Palm springs Comment
  RSA643330  Hymenoclea salsola R. D. Goeden, D. W. Ricker 1974-3-1 s.n. Riverside Colorado Desert: Desert Center 305 Comment
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Apr 5 2011
  UCR101570  Hymenoclea salsola Bern Schwenn 1998-4-11 s.n. Riverside San Bernardino Mountains, Mission Creek, along Pacific Crest Trail and slope on E side of canyon. 823 Comment
  JOTR32364  Hymenopappus filifolius var. lugens La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2479 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; Loamy, gravelly slope in saddle below the summit (Stop 4) Comment
  RSA388391  Hypericum perforatum R. F. Thorne 1985-7-18 60067 Riverside Santa Rosa Plateau: Upper Clinton Keith Road 488 Comment
  CDA40745  Hyptis emoryi T. C. Fuller 1963-4-23 10285 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  JEPS63228  Hyptis emoryi W. L. Jepson 1901-5-22 1370 Riverside Palm Canyon San Jacinto (<Palm Canyon of San Jacinto>, and return to Van Deventer's Ranch); Palm Canyon of San Jacinto Comment
  RSA19548  Hyptis emoryi Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9570 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  UC1541662  Hyptis emoryi H. E. and S. T. Parks 1940-2-12 24170 Riverside Mouth of Santa Rosa Canyon 304 Comment
  UCR137684  Hyptis emoryi G. A. Reese, S. Kaime 1998-4-6 4719 Riverside Sonoran (Colorado) Desert, Berdoo Canyon Jeep Trail, near Joshua Tree National Park boundary, 10 mi NE of Indio 725 Comment
  SEINET10498863  Hyptis emoryi David B. Dunn 1947-2-9 Dunn 2855 Riverside Pushawalla canyon, indio hills. In dry wash bed. Comment
  SEINET12277044  Hyptis emoryi L. S. Rose 1936-1 36791 Riverside Palm Canyon Wash 152 Comment
  CAS-BOT-BC274060  Imperata brevifolia Louis Wheeler 1933-12-2 2318 Riverside U. S. 99 2 mi. NW Whitewater Station 365 Comment
  SEINET3091300 Image available Ipomoea triloba A. C. Sanders 1988-11-6 8737 Riverside Coachella Valley; W side of Hwy 86, 6.25 mi. south of junction with Hwy 111 in Coachella and 3.85 mi. north of Valerie Jean, 0.55 mi north of Ave. 60. -35 Comment
  JEPS19097  Isocoma acradenia var. eremophila S. B. Parish 1912-10-8 8353 Riverside Indio Salton Basin -6 Comment
  JEPS19108  Isocoma acradenia var. eremophila W. L. Jepson 1914-5-21 6039 Riverside about Indio 7 Comment
  UCR60763  Isoetes orcuttii R. F. Thorne 1973-5-23 43853 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  UC917897  Isomeris arborea Frank W. Gould 1944-4-5 2237 Riverside 18 mi e Temecula (near road junction) Comment
  SD227840  Juglans californica A. C. Sanders, K. C. Rose 1999-6-18 22803 Riverside Skinner/Domenigoni area; French Valley, E side of Washington Ave., 1/2 mile S of Rawson Rd (Winchester 7.5'Q). Valley botton, probably subirrigated. 438 Comment
  RSA597231  Juglans nigra A. C. Sanders, S. Hawkins 1996-4-24 18085 Riverside San Bernardino Mtns: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats. 1098 Comment
  SACT002762  Juglans regia G. Pyburn 1890-6-7 Riverside Comment
  UC1922738  Juncus bufonius Scott D. White, Angelia Carey 2004-5-7 10333 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. Lake Fulmore 7.5' Quad. Comment
  UCR199637  Juncus bufonius Scott D. White, Justin M. Wood 2008-4-3 11803 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  UCR180060  Juncus bufonius var. congestus Mitch Provance 2005-5-18 9815 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UCD141501  Juncus effusus subsp. austrocalifornicus Louis C. Wheeler 1931-10-3 189 Riverside Strawberry Valley, San Jacinto Mountains. 1584 Comment
  UCR89810  Juncus macrophyllus Scott D. White 1993-5-27 1413 Riverside North Alberhill Ranch, hills north of Walker Canyon 488 Comment
  RSA0097956  Juncus mexicanus Duncan S. Bell 2014-11-14 7717 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  RSA500197  Juncus mexicanus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3547 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  UCR113860  Juncus torreyi Mitch Provance 2000-6-24 2076 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  JOTR31801  Juncus xiphioides La Doux, Tasha, K. White, A. Holt, C. Ely, J. Van Warmerdam 2007-2-26 2103 Riverside Joshua Tree National Park. Eagle Mountains; Lost Palms Oasis 944 Comment
  RSA25246  Juniperus californica C. L. Hitchcock 1940-4-3 5933 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  SD229041  Juniperus californica Dick Schwenkmeyer 2013-6-11 910 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  UC1280801  Juniperus californica H. E. McMinn 1937-3-5 4489 Riverside approaching Cottonwood Mountains from Pinto Basin Comment
  SEINET2163599 Image available Justicia californica L. S. Rose 1946-12-24 46304 Riverside Tahquitz Canyon Wash, Palm Springs. 140 Comment
  POM128363  Keckiella antirrhinoides Thomas Craig 1927-4-23 206 Riverside Glen Ivy. Comment
  UCR250312  Keckiella antirrhinoides A. C. Sanders 2014-4-8 40977 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  RSA401734  Keckiella antirrhinoides N. C. Cooper 1947-4-5 2024 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  SFV16973  Keckiella rothrockii var. jacintensis P. Wilson, M. S. Valenzuela 1997-7-25 3512 Riverside San Jacinto Mountains Near Round Valley Camp. 3000 Comment
  UCR178333  Keckiella ternata Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 641 Riverside San Bernardino Mtns., Morongo Indian Reservation, ridge east of upper Hathaway Canyon, west of Burro Flats 1037 Comment
  RSA561076  Koeleria macrantha Steve Boyd, O. Mitsretta 1992-4-22 7003 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  UCD86079  Koeleria macrantha F. M. Reed 1920-6-14 4432 Riverside San Jacinto Mts., ridge west of Idyllwild. 1676 Comment
  UCR20551  Koeleria macrantha W. W. Mayhew 1977-6-12 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  SD121784  Krameria bicolor C. H. Muller 1952-5-20 9512 Riverside Whitewater Canyon Comment
  RSA0023271  Krameria bicolor Robert F. Thorne 1966-10-15 41782 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  UC667260  Krameria erecta Annie M. Alexander and Louise Kellogg 1941-5-11 2150 Riverside Cottonwood Spring Eagle Mountains, Cottonwood Spring (on side of canyon, Eagle Mountains) 883 Comment
  RSA784731  Lactuca serriola Duncan S. Bell 2012-3-18 3198 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  RSA180512  Lagophylla ramosissima E. W. Lathrop 1960-5-27 5217 Riverside 6 miles west of Murrieta. Comment
  UCR97440  Lamium amplexicaule A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19861 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  CLARK-A1528-3537  Langloisia setosissima John C. Roos 1949-4-6 4148 Riverside Comment
  RSA796029  Langloisia setosissima subsp. setosissima Duncan S. Bell 2009-4-18 235 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  UC909116  Langloisia setosissima subsp. setosissima Frank W. Peirson 1927-4-12 7177 Riverside at camp near forks Painted Canyon; Colorado Desert, Painted Canyon Comment
  UCR279602  Langloisia setosissima subsp. setosissima A. C. Sanders, Jim Malusa 2017-3-28 43166 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  CLARK-A1528-4436  Larrea tridentata John C. Roos 1937-4-18 1354 Riverside Whitewater Comment
  RSA707347  Larrea tridentata Jonathan Snapp-Cook, Kurt Roblek, Kevin Clark, Reas Chavez 2005-6-30 CFW- 11 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles WNW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune (WGS84/NAD83) 91 Comment
  SEINET7073456  Lasthenia californica A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  RSA33555  Lasthenia coronaria N. C. Cooper 1944-3-25 997 Riverside Cabazon. 457 Comment
  RSA614294  Lasthenia coronaria D. L. Banks, V. W. Steinmann 1997-3-13 1514 Riverside NW Palomar Mountains, Agua Tibia Mountains: Vail Lake area, north and just south of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  IRVC26814  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1997-3-13 2490 Riverside Nichols Road Wetlands, ca 335 m SE of Nichols Road, 91m W of Collier Ave. and 305 m W of the I15, E of the existing dirt road extending S from Nichols Rd. and adjacent to Alberhill Creek 381 Comment
  RSA550481  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-5-6 2267 Riverside Some 760m northwest of Lakeview and south of the San Jacinto Wildlife area. The collection site is some 10m west of Davis Rd. amd 2 m north of Marvin Rd. 132 Comment
  UCR95381  Lasthenia glabrata subsp. coulteri Steve Boyd, D. Bramlet 1996-4-19 8614 Riverside San Jacinto Valley, c. 2 air mi NE of Winchester and 0.5 mi west of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Ave., north of Stetson Ave, west of Metropolitan WAter District canal. 457 Comment
  RSA524446  Lasthenia gracilis Steve Boyd, Tim Ross, L. Arnseth, J. Bonilla 1990-4-3 4082 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA717584  Lasthenia gracilis A. C. Sanders, Guy Bruyea 2004-4-2 27425 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  RSA736252  Lasthenia gracilis Scott D. White, Justin M. Wood 2008-4-3 11796 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. 'Morgan' property, Alberhill area. 274 Comment
  RSA774510  Lasthenia gracilis Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4462 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR140447  Lasthenia gracilis A. C. Sanders, Guy Bruyea 2004-4-2 27425 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UCR241403  Lasthenia gracilis T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7450 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  UCR100154  Lathyrus vestitus Scott D. White 1994-4-23 2033 Riverside San Bernardino Mtns, Millard Canyon, c. 8 air mi. north of Cabazon. USFS Rd 2S05.2, c. 0.3 mi. south of junction of 2S05.2 & 2S05B; c. 1.7 mi. south of Deer Spring & 1 mi. SW of Bear Wallow Spring 1311 Comment
  POM229452  Lathyrus vestitus subsp. laetiflorus P. A. Munz 1937-5-30 15084 Riverside Northwest slope of Santa Rosa Mountain. 2134 Comment
  UC489135  Lathyrus vestitus var. vestitus C. V. Meyer Jun 1927 168 Riverside San Jacinto Mts. 1676 Comment
  UC62902  Layia glandulosa H. M. Hall 1902-4-1 2900 Riverside vicinity Winchester 762 Comment
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Mar 20 2011
  UCR124663  Layia platyglossa B. C. Templeton 1930-4-9 1024 Riverside San Bernardino Mtns., north of Banning 1220 Comment
  POM361704  Layia platyglossa subsp. campestris Ora M. Clark 1929-4-6 1941 Riverside South of Hemet. Comment
  RSA0001368  Layia ziegleri L. B. Ziegler 1966-6-1 s.n. Riverside Between Mountain Center and Keen Camp summit, San Jacinto Mts. 1448 Comment
  UCR48498  Lemna gibba Steve Boyd 1986-5-5 1851 Riverside Gavilan Hills, Estelle Mtn. Head of large canyon draining the SE side of Estelle Mtn. Comment
  RSA180477  Lemna minuta E. W. Lathrop 1960-6-9 4989 Riverside 14 miles west of Murrieta. Comment
  RSA621635  Lepidium dictyotum R. E. Riefner 1998-3-22 98 -183 Riverside Lake Elsinore. Elsinore Trough between Willard and Murrieta Creek. Comment
  UCR143141  Lepidium dictyotum var. acutidens D. E. Bramlet 1997-3-13 2493 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Nichols Road Wetlands, c. 275-335m SE of Nichols Road, 91m west of Collier Ave. and 196-305 m west of the I-5, east of the dirt road extending S from Nichols Rd. and adjacent to Alberhill Creek 381 Comment
  UCR281095  Lepidium dictyotum var. dictyotum Mitch Provance, Jeremiah George 2017-3-23 317- 69 Riverside Elsinore Trough, Lake Elsinore, about 350 ft. NW of the corner of Diamond Dr. and Pete Lehr Dr. 386 Comment
  RSA429904  Lepidium fremontii Christopher Davidson 1979-4-4 7735 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  UCR82804  Lepidium fremontii Bern Schwenn 1994-3-26 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, Pa'atem Canyon on south side of Cottonwood Mtns. Comment
  JOTR34194  Lepidium fremontii var. fremontii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2987 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  RSA718298  Lepidium lasiocarpum Michael Honer, L. Hulse 2004-4-2 1879 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  UCR249829  Lepidium lasiocarpum T. B. Salvato, John Lovio 2013-3-19 7368 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  SBBG92827  Lepidium lasiocarpum var. lasiocarpum D. Charlton 1988-2-18 1130 Riverside Fargo Cyn Rd to Cottonwood Wash, parallel to Interstate 10, ca. 1 mi E of jct of Dillon Rd and Fargo Cyn Rd 609 Comment
  UC68541  Lepidium lasiocarpum var. lasiocarpum H. M. Hall Apr 1905 5823 Riverside 8 mi w Coachella; Colorado Desert 0 Comment
  UC68542  Lepidium lasiocarpum var. lasiocarpum H. M. Hall Apr 1905 5879 Riverside Chuckawalla Mts. Colorado Mts. Comment
  UCR49237  Lepidium nitidum Steve Boyd 1986-4-2 1621 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  SDSU18382  Lepidium nitidum var. nitidum C. Matt Guilliams 2008-2-21 459 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 418 Comment
  RSA740074  Lepidium virginicum var. pubescens Scott D. White, Justin M. Wood 2008-6-16 12137 Riverside Meadow at Quinn Flat. 1378 Comment
  UCR275952  Lepidium virginicum var. pubescens T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3793 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
  UCR281224  Lepidium virginicum var. pubescens Mitch Provance, Jeremiah George 2017-3-23 317- 58 Riverside Temescal Valley, De Palma Rd., side canyon between Horsethief Canyon and Glen Eden, south of dirt road entrance to revegetation plots 372 Comment
  UCR116981  Lepidium virginicum var. robinsonii A. C. Sanders, T. B. Salvato 2001-5-3 24082 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  CAS-BOT-BC329443  Lepidospartum squamatum Carl B. Wolf 1932-10-14 2452 Riverside Whitewater Wash, 0.5 mile above bridge on the Banning to Indio road. 365 Comment
  RSA650943  Lepidospartum squamatum C. J. Humphrey, Herbert Humphrey, E. T. Bartholomew 1936-6-7 379 Riverside In foothills San Gabriel Mts. 19 miles North of Riverside. 610 Comment
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Dec 15 2011
  UCR138590  Lepidospartum squamatum D. L. Banks 1996-11-7 1220 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. Along the main road in the Reservation, c. 10 m west of the Pechanga Tribal Center 367 Comment
  SEINET3829011  Leptochloa uninervia Steve Boyd, Orlando Mistretta 1992-1 7050 Riverside Southern Santa Ana Mountains, 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
  JOTR30239  Leptosiphon aureus subsp. aureus Leary, C. and Leary, Pat 1979-5-5 2987 Riverside Joshua Tree National Park. At the end of the Lower Covington Flats road, Joshua Tree National Monument Comment
  POM46976  Leptosiphon ciliatus Mary F. Spencer 1203 Riverside In open woods. Idyllwild. 1616 Comment
  RSA0013024  Leptosiphon liniflorus LeRoy Gross, Caitlin Elam 2013-5-14 6041 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  SBBG87719  Leptosiphon liniflorus S. Boyd 1986-5-7 1850 Riverside Temescal Cyn, terrace escarpment between Horsethief wash and Indian Truck Trail, S of I-15 Comment
  SD137899  Leptosyne californica Darin L. Banks, Steve Boyd 1995-5-3 287 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, east of the Dripping Springs Alcove Area. 515 Comment
  RSA736986  Lesquerella tenella J. Andre, T. La Doux 2008-3-21 8831 Riverside JTNP: Pinkham Exit dirt road, at Cottonwood Visitor s Ctr, just N. of Cottonwood Cyn. 939 Comment
  UC1378940  Lesquerella tenella Reed C. Rollins 1967-4-17 6755 Riverside near Cottonwood Springs campground; Joshua Tree National Monument, near Cottonwood Springs campg Comment
  UCR102728  Lessingia filaginifolia B. G. Pitzer 1998-1-25 3416 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  RSA520551  Lessingia glandulifera var. glandulifera Steve Boyd, D. Bramlet 1988-10-8 2884 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  UC1287414  Lessingia glandulifera var. glandulifera Willard Spence 1960-8-24 582 Riverside 8 mi sw of Anza Road to Agaunga; Cahwilla Valley 1371 Comment
  RSA708047  Leymus triticoides Scott D. White, Angelia Carey 2004-5-7 10350 Riverside Indian Creek and adjacent foothills. 549 Comment
  RSA68710  Lilium parryi Frank W. Peirson 1924-7-27 5003 Riverside South side of Dark Canyon, San Jacinto Mountains. 2499 Comment
  RSA0039266  Limonium sinuatum A. C. Sanders 2014-4-23 41057 Riverside Temescal Valley at intersection of Concordia Ranch Rd. and Temescal Canyon Rd., near I-15 364 Comment
  UCR91859  Linanthus androsaceus A. C. Sanders, S. Hawkins 1996-4-24 18074 Riverside San Bernardino Mtns, Morongo Indian Reservation, along dirt road in Hathaway Canyon, near Burro Flats 1159 Comment
  UCR908  Linanthus androsaceus subsp. micranthus Frank C. Vasek 1958-4-26 s.n. Riverside Peninsular Range, Highway '71' [79/371], east of Temecula, 1.6 miles [E] of junction of state Hwy 79 Comment
  RSA0009862  Linanthus bigelovii Marcus E. Jones 1903-5-11 10241 Riverside Whitewater. 305 Comment
  SD152787  Linanthus californicus Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-25 5582 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, along San Mateo Trail from junction 7S04 and 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 395 Comment
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Jun 9 2012
  RSA689694  Linanthus ciliatus Valerie L. Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1702 Riverside Slope above junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  UC1563137  Linanthus dianthiflorus Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-1 3182 Riverside Vail Lake area, in hills just to sw of the dam Vail Lake Area 487 Comment
  UC909126  Linanthus dianthiflorus Frank W. Peirson 1922-4-30 2930 Riverside road from Temecula River to Hemet Comment
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Mar 24 2011
  UCR48401  Linanthus dianthiflorus Steve Boyd 1986-5-1 1801 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  UC879946  Linanthus floribundus subsp. glaber P. A. Munz 1922-4-28 5048 Riverside Leach Canyon Santa Ana Mts. 670 Comment
  UCR249505  Linanthus jonesii T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7287 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  UCR86865  Linanthus jonesii A. C. Sanders, K. C. Rose 1995-4-27 16727 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
  UC472899  Linanthus lemmonii P. C. Standley 1921-6-16 Riverside Idyllwild San Jacinto Mt. Comment
  UCR35062  Linanthus lemmonii L. B. Ziegler 1967-6-21 164 Riverside San Jacinto Mtns, Hemet [= Garner] Valley 1402 Comment
  RSA690938  Linanthus liniflorus Scott D. White, Michael Honer 2003-5-27 9406 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  UCR82883  Linanthus liniflorus A. C. Sanders, P. J. MacKay 1994-10-23 15847 Riverside San Bernardino Mtns., Between the trout hatchery and Bonnie Bell 780 Comment
  UCR176577  Linanthus nuttallii Joseph Cahill 1998-5-26 15- 03 Riverside Peninsular Range; Santa Ana Mtns., above Lake Elsinore, [near El Cariso Guard Station] just outside Cleveland National Forest 808 Comment
  UC52447  Linanthus parviflorus H. M. Hall Mar 1898 Riverside Temescal Comment
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Nov 26 2011
  UCR137500  Linaria canadensis D. L. Banks, V. W. Steinmann 1997-3-13 1525 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
  UCR1675  Linaria canadensis W. R. Moberly 1962-4-9 620409- 21 Riverside 7 mi west of Jct of Hwys 71-79 on Hwy 71 610 Comment
  RSA572985  Linaria canadensis var. texana Steve D. Boyd 1986-4-19 1702 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  POM19807  Linum lewisii Mary F. Spencer 1923-8-7 2170 Riverside Saunders Meadow, San Jacinto Mt., Idyllwild. 1738 Comment
  CHSC26202  Loeseliastrum matthewsii Cheryl Johnson 1967-3-26 43 Riverside 3 miles SE of Palm Springs on Varner Road near Willis Palms in Indio Hills. 30 Comment
  SD245437  Loeseliastrum schottii Sarah De Groot, April Garbat 2013-4-9 7001 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. 231 Comment
  UCR58851  Logfia arizonica Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3207 Riverside Peninsular Range, Vail Lake area, W end of bench on S flank of Oak Mtn. 549 Comment
  SEINET186304 Image available Logfia depressa Philip A. Munz 1940-1 15688 Riverside N end of Pinto Basin, Mohave Desert 610 Comment
  SEINET251684 Image available Lolium rigidum Walter Graves 2002-5-15 502 -13 Riverside Riverside : grown at U.C. R. in Agricultural Operations Fields (Riverside East 7.5' Q.) 305 Comment
  POM15040  Lomatium lucidum Mary F. Spencer 1922-4-25 s.n. Riverside Lamb Canyon Pass, Banning. Comment
  UCR115430  Lomatium lucidum Scott D. White, D. E. Bramlet 1999-4-22 7245 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  OBI52756  Lomatium utriculatum L. LaPre, J. Eason 1988-1-27 s.n. Riverside Santa Rosa Plateau, Mesa de Burro, Santa Rosa Springs Ranch Comment
  RSA100199  Lonicera subspicata var. denudata F. W. Peirson 1920-6-22 217 Riverside Dripping Springs, Temecula River 457 Comment
  RSA115034  Lonicera subspicata var. denudata E. K. Balls 1955-07 20973 Riverside San Jacinto Mountains, Hwy 74, Hemet to Idyllwild, 2.8 miles NW from Mountains Center. 1189 Comment
  POM229029  Lotus argophyllus var. argophyllus P. A. Munz 1937-5-29 15155 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  RSA5428  Lotus crassifolius Carl B. Wolf 1932-8-4 1540 Riverside Point View near Idyllwild. 1646 Comment
  UCR6717  Lotus crassifolius Frank C. Vasek 1964-7-25 640725- 15 Riverside San Jacinto Mountains, Dark Canyon 1829 Comment
  RSA585884  Lotus hamatus D. L. Banks, S. D. Boyd 1995-5-9 0318 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  POM9228  Lotus hamatus I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  POM127709  Lotus heermannii Geo R. Hall s.n. Riverside Riverside Comment
  UC15609  Lotus heermannii Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR215615  Lotus heermannii Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 04 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  UCR120660  Lotus humistratus D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1793 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  RSA761686  Lotus nevadensis Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 702 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA714382  Lotus oblongifolius T. B. Salvato, John F. Green 2004-5-27 604 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  RSA727090  Lotus salsuginosus Naomi Fraga, Lisa Rojas 2005-2-10 1364 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  SEINET10937013  Lotus scoparius Barbara J. Ertter, Jeffrey Strachen 1980-5-20 Ertter 3469 Riverside W side whitewater hill, e side whitewater wash, nw end of coachella valley n of I-10. Granitic sand, with encelia, psorothamnus, and other shrubs. T3s, sec 12, Nwsw. Much branched perennial herb. Flowers yellow. 457 Comment
  RSA770427  Lotus scoparius subsp. brevialatus Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4875 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
  RSA25620  Lotus scoparius var. brevialatus C. B. Wolf 1938-9-29 10927 Riverside 9 miles from Temecula on road to Aguanga. Fork of Temecula wash. 335 Comment
  UCR120932  Lotus scoparius var. brevialatus A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24931 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  RSA777415  Lotus strigosus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 839 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine,' rolling bajadas adjacent rocky hills, separated by small wash fingers 451 Comment
  UCR90370  Lotus strigosus Scott D. White 1995-6-30 3430 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  UCR116612  Lotus strigosus var. tomentellus A. C. Sanders 2001-3-20 23841 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, NW corner of intersection of Pierson Blvd. and Atlantic Blvd., between flood control ditch and Pierson, west of high school 335 Comment
  UCR165809  Lotus strigosus var. tomentellus John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  RSA90388  Lotus strigosus var. tomentellus F. W. Peirson 1921-4-13 4085 Riverside Deep Canyon, about 12 miles southeast of Palm Springs. 274 Comment
  RSA406380  Lotus tomentellus Robert Gustafson 1978-3-22 836 Riverside Joshua Tree Natl. Monument, about 3 miles north of Hwy. 70 on the road that leads to 29 Palms. 610 Comment
  RSA774068  Lotus unifoliolatus Duncan S. Bell, Jeff Morawetz, Kathleen Ashbaker 2010-6-28 1437 Riverside San Bernardino National Forest: Garner Valley, approximately 2 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1373 Comment
  POM9019  Lotus wrangelianus R. D. Harwood 1920-3-20 3391 Riverside Elsinore, Riverside. Comment
  SEINET2042038 Image available Ludwigia peploides George Helmkamp, E. A. Helmkamp 2000-8-29 5981 Riverside Colorado Desert: S of Mecca, where Lincoln St. Crosses the Whitewater River. Ca. 0.5 mi from the Salton Sea. 67 Comment
  UCR159109  Lupinus A. C. Sanders, J. Goetzen 1996-5-1 18129 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  UC1329856  Lupinus andersonii James E. Cole 1941-5-19 718 Riverside Covington Flat Canyon Joshua Tree National Monument 1371 Comment
  RSA124415  Lupinus arizonicus Percy C. Everett, E. K. Balls 1958-4-29 23019 Riverside U. S. Hwy. 60/70, Indio to Blythe, 1 mi. W. of Cactus City. Comment
  RSA748592  Lupinus arizonicus Scott D. White, Justin M. Wood 2009-4-28 12612 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  UCR277633  Lupinus arizonicus A. C. Sanders, Jim Malusa 2017-1-14 42660 Riverside Sonoran (Colorado) Desert, Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas 119 Comment
  UCR92610  Lupinus arizonicus George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  POM305804  Lupinus bicolor Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1055 Riverside Elsinore. Comment
  RSA715937  Lupinus bicolor Scott D. White, Angelia Carey 2004-4-5 10025 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA744304  Lupinus bicolor M. Wall 2009-3-27 499 -E Riverside Bautista Creek east of Hemet off Bautista Canyon Rd. ca. 8 miles SE of jct. with Fairview Ave. 754 Comment
  UC1212156  Lupinus bicolor David Dunn 1941-3-29 932 Riverside two mi w Corona; w of Corona Comment
  UCR263  Lupinus bicolor Eugene Cardiff, Ken Smith 1954-5-17 s.n. Riverside Peninsular Range, Pigeon Pass, Box Springs Mountains, east of Riverside 610 Comment
  CLARK-A1528-1162  Lupinus bicolor subsp. microphyllus Cameron Duncan 1966-3-13 Riverside Riverside 548 Comment
  POM317055  Lupinus bicolor subsp. microphyllus F. W. Peirson 1922-4-29 5224 Riverside South of Lake Elsinore. 381 Comment
  RSA770841  Lupinus concinnus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4945 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  UCR122525  Lupinus concinnus George K. Helmkamp, E. A. Helmkamp 2001-5-20 6671 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  POM159827  Lupinus concinnus subsp. optatus E. C. Jaeger s.n. Riverside Santa Rosa Indian Reservation Comment
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Nov 6 2011
  POM2536  Lupinus concinnus subsp. optatus H. M. Hall 1901-06 2067 Riverside South side of San Jacinto Mountains 1646 Comment
  RSA282789  Lupinus concinnus subsp. optatus C. W. Tilforth, B. Busenberg 1980-4-10 1985 Riverside Along north leg of Thomas Mtn. Rd, south of Lake Hmet, Hwy 74. Comment
  LA205080  Lupinus excubitus Elizabeth McClintock; 1937-7-10 sn Riverside San Jacinto Mountains, Trail to Hidden Lake Comment
  UC130311  Lupinus excubitus H. M. Hall 1899-5-24 1375 Riverside s slopes El Toro Mt.; San Jacinto Mountains, s slopes El Toro Mt. 1828 Comment
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Jul 23 2008
  UCR174923  Lupinus excubitus Holly Summers, Jennifer H. Jones and Thi (Teresa) Bui 2006-5-31 s.n. Riverside Peninsular Range, San Jacinto Mtns., Calif. Hwy 243 at turnout around Soboba Penny Pines Plantation (c. 0.25 mi. above Bay Tree Spring) 1601 Comment
  RSA413572  Lupinus excubitus var. austromontanus Christopher Davidson 1975-6-16 2815 Riverside 3.8 mi. N of Alandale Station on road R1 from Idyllwild to Banning. 1700 Comment
  RSA91207  Lupinus excubitus var. hallii F. W. Peirson 1922-4-28 2947 Riverside Leach Canyon Near Lake Elsinore. 549 Comment
  RSA600850  Lupinus hyacinthinus C. Epling, Wm. Robison 1935-6-30 s.n. Riverside Mt. San Jacinto: Above Marion Camp. Comment
  RSA719792  Lupinus hyacinthinus Naomi S. Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary D. Wallace 2006-9-7 1738 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UCR37489  Lupinus microcarpus var. densiflorus Steve Boyd 1980-5-3 s.n. Riverside Peninsular Range, Gavilan Hills, [Mead Valley] along Cajalco Road, 1/4 mile east of Alexander Rd. 498 Comment
  RSA87095  Lupinus pallidus F. W. Peirson 1922-4-9 s.n. Riverside Palm Canyon region, head of Coachella Valley Comment
  SEINET10486261  Lupinus shockleyi Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 Holmgren 6474 Riverside Rice valley, 3.5 mi s-sw of rice. Sand dunes; locally frequent. Petals Dark-purple. 244 Comment
  UCR241180  Lupinus sparsiflorus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 13 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, lower Hathaway Canyon along Hathaway Canyon Rd. 826 Comment
  UCR272436  Lupinus sparsiflorus Cheryl Sevilla, Sarah J. De Groot 2015-3-18 040 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, off the Pacific Crest Trail c. 2.2 air miles north of the Whitewater Preserve Ranger Station, hillside east of the Whitewater River drainage 885 Comment
  RSA524455  Lupinus truncatus Steve D. Boyd 1990-4-3 4091 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  SD143893  Lupinus truncatus A. C. Sanders, G. Waines, et al. 1997-3-12 19867 Riverside Lake Skinner area; lower Rawson Canyon, along road northeast of Skinner Lake. 456 Comment
  RSA457773  Lycium andersonii Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2215 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  UCR101596  Lycium andersonii Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR41345  Lycium andersonii N. M. Fellows, A. C. Sanders 1985-4-9 158 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  RSA0054924  Lycium cooperi W. Marquart 1938-3-12 s.n. Riverside Mule Mts. South of Chuckawalla Range. Comment
  UC519978  Lycopersicon esculentum Louis C. Wheeler 1933-7-27 2040 Riverside Santa Ana River at Chino Creek Chino Creek; Santa Ana River, Chino Creek 152 Comment
  CAS-BOT-BC226944  Lythrum californicum A. C. Sanders; John F. Green 2012-5-27 40211 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  UCR164065  Lythrum hyssopifolia John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, Los Alamos Canyon 1.5 mi. SW of Los Alamos Ranch, just outside Cleveland Nat. Forest boundary 564 Comment
  UCR20174  Machaeranthera canescens subsp. ziegleri Jeanine Derby, T. P. Krantz 1977-1 s.n. Riverside Santa Rosa Mtns, Santa Rosa Mountain, along [Forest Service Road] 7S02 to summit Comment
  RSA0001386  Machaeranthera canescens var. ziegleri L. B. Ziegler 1969-9-30 s.n. Riverside Santa Rosa Mts. 1982 Comment
  RSA627385  Maclura pomifera A. C. Sanders, K. C. Rose 1999-6-18 22799 Riverside Skinner/Domenigoni area: French Valley, E side of Washington Ave, 1/2 mile S of Rawson Road 439 Comment
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Mar 20 2011
  POM232417A  Mahonia nevinii Fulmor 1932-02 s.n. Riverside On left side of road from Temecula to Oak Grove, San Diego Co., Calif. (about half a mile east of Dripping Springs). Comment
  RSA496477  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-31 3096 Riverside Vail Lake area, sandy valley 0.25 mi E of Dripping Springs. 487 Comment
  UCR16598  Malacothamnus densiflorus Dorothy Detrich 1966-5-16 s.n. Riverside Gavilan Hills, at turnoff to Maywood Rod and Gun Club [in Steele Valley] Comment
  CAS-BOT-BC206266  Malacothamnus fasciculatus Peter H. Raven; Sidney R. Snow 1956-7-6 9661 Riverside Vandeventer Flat, San Jacinto Mts. 1493 Comment
  RSA0119357  Malacothamnus fasciculatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4436 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  POM362266  Malacothrix clevelandii Anstruther Davidson 1892-05 s.n. Riverside Banning Comment
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Mar 13 2011
  RSA613900  Malacothrix clevelandii A. C. Sanders, P. J. MacKay, Tim C. Thomas, O. F. Clarke 1997-5-4 20629 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
  UC218090  Malacothrix coulteri P. A. Munz, D. Keck 1922-4-9 4813 Riverside Chuckwalla Valley, Hayfields Colorado Desert, Chuckwalla Valley, Hayfields 152 Comment
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May 1 2006
  CAS-BOT-BC347695  Malacothrix glabrata L. A. Greata 1905-4-1 413 Riverside Coachella Comment
  JEPS36807  Malacothrix glabrata W. L. Jepson 1928-4-25 12620 Riverside Cottonwood Spr. Colorado Desert, Eagle Mts. 731 Comment
  OBI37418  Malacothrix glabrata M. rosczyk & G. Helmkamp, G. Helmkamp 1985-4-4 254 Riverside Big Morongo Preserve, S of Morongo Valley; W edge of the main cyn just below the BLM gate 533 Comment
  POM362314  Malacothrix glabrata N. C. Cooper 1949-3-15 3033 Riverside Palm Springs. 122 Comment
  RSA777286  Malacothrix glabrata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4544 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SBBG35013  Malacothrix glabrata T. L. Secrest 1951-5-18 Riverside San Jacinto River bed, probably near Hemet Comment
  UCR279412  Malacothrix glabrata A. C. Sanders, Jim Malusa 2017-3-25 43006 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
  SEINET9118732  Malacothrix glabrata C. H. Muller 1952-1 9498 Riverside 2 mi. E of Shavers Summit, E of Joshua Tree National Monument, South Gate. Comment
  UCSB11967  Malacothrix saxatilis var. tenuifolia Warrick, Ted 1961-5-7 Riverside 7.3 mi. SW of Palm Desert; Pines to Palms hiway Comment
  UCR278868  Malvella leprosa Mitch Provance 2011-6-9 17196 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
  UC2015595  Marah macrocarpa Scott D. White 1996-3-16 3830 Riverside Perris Basin, Lakeview Mts., N of Winchester, at Maze Stone Picnic Area. Comment
  UC28952  Marah macrocarpa W. H. Brewer Jan, 1861 150 Riverside Temescal Mountains Comment
  UC917878  Marah macrocarpa Frank W. Gould 1943-4-18 2145 Riverside near Banning (on Idlewild cutoff) Comment
  JOTR38532  Marina parryi Harding, Mitzi, Kipp Callahan 2012-8-27 301 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; off Brooklyn Mine Road near park boundary Comment
  RSA28049  Marina parryi I. L. Wiggins 1941-3-27 9672 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA607360  Marina parryi R. S. Woglum 1941-4-10 2932 Riverside Sonoran Desert: Blythe. Comment
  UC1287111  Marina parryi C. L. Hitchcock 1966-3-21 24327 Riverside 20 mi sw Blythe; Mule Mts. Comment
  UC1552122  Marina parryi Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, and T. Ross 1988-3-10 2131 Riverside 2 mi w Palen Pass; Palen Mts. 300 Comment
  UC1595726  Marina parryi W. Wisura, J. Dolan, and M. Wall 1992-3-25 4654 Riverside 9.6 mi s Wileys Well (toward Hwy 78) Comment
  POM157888  Marsilea vestita P. A. Munz 1927-5-20 10800 Riverside Murrieta Hot Springs Comment
  UCR159209  Marsilea vestita A. C. Sanders, Kelly Volansky 2005-8-31 31585 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
  UCR127563  Matricaria matricarioides A. C. Sanders, T. B. Salvato 2003-5-21 26794 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  CAS-BOT-BC465567  Matricaria occidentalis R. E. Riefner, Jr. 2015-4-3 15 -110 Riverside City of Menifee, Haun Rd. at Holland Rd. 446 Comment
  SD240893  Matricaria occidentalis A. C. Sanders, T. B. Salvato 2011-4-29 39362 Riverside Peninsular Range: Perris-Aguanga Basin Region; Romoland, McLaughlin Road, east of Palomar Road, near powerplant and railroad (Romoland 7.5'Q) 445 Comment
  CSUSB1090  Medicago polymorpha William R. Bowen 1962-4-20 051 Riverside Canyon Crest on the UCR campus 304 Comment
  CSUSB1022  Medicago sativa Mark Eutenier 1973-5-30 730530 1 Riverside Intersection of Federick Street (Pidgeon Pass Road) and Sunnymead Blvd. Widespread on northwest corner. 731 Comment
  SDSU17522  Melica frutescens Jerry Jenkins 2001 -035 Riverside Santa Margarita Ecological Reserve. West shore of S.M. river, on granite bluffs. UTM zone 6, 481900E, 3699850N. UTM transfered to GIS. 165 Comment
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Aug 11 2017
  RSA699307  Melica imperfecta Keith E. Hoffmaster 1934-4-8 88 Riverside Santa Ana Mts. Comment
  UCR112406  Melica imperfecta A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23454 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
  UCR2546  Melica imperfecta F. M. Reed 1908-3-29 2298 Riverside W slope of Box Springs Mtns 518 Comment
  UCR165287  Melilotus albus John F. Green 2005-2-3 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 miles east of Desert Beach 24 Comment
  SEINET2063365 Image available Melilotus indicus Ed LaRue 1989-4-7 Riverside Woodcrest area: 1/2 mi NE of intersection of Van Buren Blvd. & Mockingbird Canyon Rd. 365 Comment
  CLARK-A1528-5360  Mentha spicata John C. Roos 1952-8-6 5881 Riverside Riverside 259 Comment
  UCR241938  Mentzelia A. C. Sanders, Timothy W. Chumley 2013-4-5 40773 Riverside Peninsular Range, Temescal Canyon, 10 miles south of Corona, just north of El Hermano Rd., NW of Corona (Lee) Lake and SE of Glen Ivy 313 Comment
  UCR35321  Mentzelia L. B. Ziegler 1968-6-12 307 Riverside San Jacinto Mtns., Thomas Mountain, slopes below summit 2043 Comment
  RSA524586  Mentzelia affinis Steve Boyd, L. Arnseth, J. Bonilla, Tim Ross 1990-4-3 4134 Riverside Vail Lake area, SW base of Big Oak Mtn, mouth of Temecula Creek Canyon. 396 Comment
  RSA758329  Mentzelia involucrata Doug Goldman 2005-3-3 3035 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  UCSB4215  Mentzelia involucrata Hurd, Richard 1956-4-14 Riverside Road to Devil's Garden; 3 miles from Highway 99 Comment
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Nov 23 2014
  POM126264  Mentzelia involucrata var. megalantha Martha Hilend 1927-4-2 s.n. Riverside Box Canyon near Shaver s Well, Colorado Desert. Comment
  RSA457790  Mentzelia involucrata var. megalantha Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2208 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  RSA0038376  Mentzelia involucrata var. megalantha A. Lee Haines 1974-4-8 s.n. Riverside North side of Orocopia Mountains. 396 Comment
  POM159936  Mentzelia jonesii E. C. Jaeger 1926-3-26 s.n. Riverside Eagle Mts. Comment
  RSA80991  Mentzelia jonesii G. R. Campbell 1952-4-5 18377 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  UCR166209  Mentzelia jonesii A. C. Sanders, P. J. MacKay, M. Jacobsmyer, C. L. Sanders, et al 1995-3-5 15994 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  UCR22118  Mentzelia montana Steve Boyd 1980-5-15 279 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  UCR102947  Mentzelia obscura George K. Helmkamp 1998-4-4 3163 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  SD178085  Mesembryanthemum nodiflorum A. C. Sanders 2004-5-12 27856 Riverside Elsinore Basin Region: Alberhill Mountain, northwest foot near Lake St. at Alberhill. 377 Comment
  RSA560833  Micropus californicus Steve Boyd, Timothy S. Ross 1992-5-4 7190 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA618162  Micropus californicus D. L. Banks 1997-5-5 2023 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  UC2029942  Microseris douglasii subsp. platycarpha Steve Boyd 2001-4-12 10415 Riverside GAVILAN HILLS REGION: Southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta. Comment
  RSA543908  Microseris heterocarpa Steve Boyd, Orlando Mistretta 1991-5-22 6283 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UCR182514  Microseris heterocarpa Mitch Provance 2005-5-17 6596 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  RSA678352  Microseris lindleyi Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10467 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR167977  Microseris lindleyi T. B. Salvato, John F. Green 2004-5-27 640 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
  RSA0018771  Mimetanthe pilosa Philip A. Munz 1922-6-30 5913 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  UC943817  Mimulus aurantiacus var. pubescens H. E. McMinn 1949-6-9 5590 Riverside 1 mi n San Diego Co. line (near Aguanga on Highway 71) Comment
  UCSB38664  Mimulus aurantiacus var. pubescens Cowan, Clark 1978-4-25 Riverside 6.7mi(10.7 km) SW on 74 from jct w/ 71; 4.6 mi(7.3 km) from Lake Elsinore; Sta. Ana Mts; Cleveland Nat. Forest; Whittaker transect #W-229 Comment
  UCR216401  Mimulus aurantiacus var. puniceus Mike Bell 2008-3-30 029 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  UCR90980  Mimulus aurantiacus var. puniceus Scott D. White 1996-3-16 3822 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  CLARK-A1528-4233  Mimulus bigelovii John C. Roos 1947-2-15 3260 Riverside Hayfield Comment
  SEINET3005076  Mimulus bigelovii G. Rink 2011-5-1 10514 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  UCR262572  Mimulus brevipes T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3748 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  UCR59531  Mimulus brevipes Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3611 Riverside Vail Lake, Sandy benches of Kolb Creek drainage, south of Hwy 79 488 Comment
  RSA0062495  Mimulus cardinalis J. M. Andre 2012-6-15 30512 Riverside San Jacinto Mountains: Along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest. 1308 Comment
  UC943902  Mimulus clevelandii H. E. McMinn, M. Van Rensselaer 1945-6-7 1899 Riverside head Indian Canyon Truck Trail (crest of mts., boundary of Riverside and Orange counties); Santa Ana Mts. 1235 Comment
  RSA50325  Mimulus diffusus E. K. Balls 1949-5-4 13488 Riverside 6 miles from boundry of National forest, on Baning-Idylwild road. 1372 Comment
  UCSB7515  Mimulus guttatus Ralph, F. 1959-5-16 Riverside in San Jacinto Mtns; 8.5 miles north of Idyllwild and about 17.8 miles south of the corner of 8th St. and San Gorgornio Rd., Banning 1676 Comment
  CLARK-A1045-159  Mimulus pilosus George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  UCR231771  Mimulus pilosus John F. Green 2008-4-23 08- 20 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  JEPS11002  Mimulus primuloides Carl V. Meyer 1928-7-31 602 Riverside Tahquitz Valley San Jacinto Mts. 2286 Comment
  POM17816  Minuartia douglasii P. A. Munz 1923-6-14 7086 Riverside Santa Ana Mountains: Glen Ivy Trail to Santiago Peak. 1463 Comment
  RSA0080321  Minuartia douglasii Sarah J. De Groot, Cheryl Sevilla 2015-3-16 7367 Riverside North fork Mission Creek, ca. 0.85 miles north-northwest of stone house; southwest of Morongo Valley and northwest of Desert Hot Springs. 811 Comment
  RSA561073  Minuartia douglasii Steve Boyd 1993-5-12 7340 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  UC8118  Minuartia douglasii H. M. Hall May, 1901 1925 Riverside Coahuilla Valley Comment
  GMDRC2044  Mirabilis bigelovii var. retrorsa J. Andre 2006-4-26 6761 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  UCR90747  Mirabilis californica Scott D. White 1995-4-5 2746 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  UCR96876  Mirabilis californica Scott D. White 1993-3-12 1162 Riverside Near Winchester 466 Comment
  SEINET6627584  Mirabilis laevis Scott D. White 2001-4-3 8227 Riverside Sonoran (Colorado) Desert; Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 396 Comment
  RSA464245  Mirabilis laevis var. crassifolia Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  UCD98205  Mirabilis laevis var. villosa Anne Harrison 1962-4-17 23 Riverside On White-water Canyon Road north of U.S. Highway 60, 0.25 mile south of trout farm where road crosses Whitewater River. Comment
  UC177219  Modiola caroliniana F. M. Reed 1914-7-18 3679 Riverside near Massachusetts Curve (Riverside and vicinity) 312 Comment
  JEPS9987  Mohavea confertiflora W. L. Jepson 1914-5-18 6015 Riverside w of Pinon Well (Region n of Indio, on road to County Well) Comment
  JEPS9988  Mohavea confertiflora E. E. Schellenger May 1920 Riverside e of Coachella (Colorado Desert); Colorado Desert Comment
  RSA0042829  Mohavea confertiflora Duncan S. Bell, Deidre Conocchioli 2014-3-18 6249 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  RSA784747  Mohavea confertiflora Duncan S. Bell 2012-2-12 3091 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  RSA0017420  Mohavea confertiflora Marcus E. Jones 1924-2-28 s.n. Riverside Blythe. Comment
  SBBG69832  Mollugo cerviana R. Hoffmann 1929-9-11 Riverside Thomas Valley Comment
  RSA40609  Mollugo cerviana J. C. Roos 1946-9-14 3015 Riverside Thomas Valley, San Jacinto Mountains. 1372 Comment
  RSA0010770  Mollugo verticillata Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6342 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  CAS-BOT-BC226237  Monardella A. C. Sanders; Mark Elvin 2001-8-17 24595 Riverside Mojave Desert, Little San Bernardino Mtns: trail from Key's [Keys] View to Inspiration Point, Joshua Tree National Park 1646 Comment
  CAS-BOT-BC402176  Monardella breweri subsp. glandulifera R. F. Thorne; E. W. Lathrop; W. Wisura 1977-7-8 49544 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso. Comment
  CAS-BOT-BC220033  Monardella breweri subsp. lanceolata C. Epling 1932-6-26 s.n. Riverside Jarupa [Jurupa] Hills Comment
  IRVC2056  Monardella nana R. H. Whittaker, W. A. Niering 1963-6-9 SJ 365 Riverside Elks Road. slope SW 25 degrees. Peninsular Ranges, Santa Rosa Mountains Comment
  JEPS44375  Monardella nana Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4273 Riverside About 1 mile below junction with spur to Santa Rosa Springs Comment
  LA96076  Monardella nana Elizabeth McClintock; 1940-6-30 18 Riverside near Pine Flats on The Banning-Idyllwild road Comment
  UC1499936  Monardella nana E. McClintock, H. Lewis 1941-6-29 80 Riverside Santa Rosa Mt. road, 5 1/2 miles beyond canyon where stream crosses road Comment
  UC2035997  Monardella nana C. Epling, L. Haines 1937-5-7 Riverside Pinyon Flats Palms to Pines Highway Comment
  UCR272823  Monardella nana Mitch Provance, Justin E. Smith 2015-7-22 715- 04 Riverside San Jacinto Mountains, Stone Creek, about 0.6 mi. WSW of Alhatti Christian Resort and Hwy 243 1601 Comment
  RSA307235  Monardella nana subsp. arida Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2113 Riverside Santa Rosa Mountains. Comment
  UCR221490  Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-6-29 079 Riverside Peninsular Range; Santa Rosa Mtns., road up Santa Rosa Mountain, 4.5 miles beyond canyon where stream crosses road 2348 Comment
  UC1499801  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-12 105 Riverside treil to Suicide Rock (a few hundred ft beyond the forks); San Jacinto Mts. Comment
  UCR221473  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 117 Riverside Peninsular Range; San Jacinto Mtns., on the Idyllwild road, a short distance below the Keen Camp turn off, in canyon where the Pseudotsugas first occur 1479 Comment
  UCR221476  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 114 Riverside Peninsular Range; San Jacinto Mtns., on slope south of Strawberry Creek, and west of Domengonio [Domenigoni] Flats [vicinity of West Ridge, near Camp Emerson & USC Idyllwild campus] 1646 Comment
  UCR125894  Monardella robisonii A. C. Sanders, Mark Elvin 2001-8-17 24593 Riverside Mojave Desert, Little San Bernardino Mtns, trail from Key's View to Inspiration Point, Joshua Tree National Park 1646 Comment
  UCSB9756  Monoptilon bellidiforme Haller, John 1960-4-2 Riverside At north base of Orocopia Mtns., 1.3 miles south of the junc. of U.S. 60-70 and the south entrance road to Joshua Tree Nat. Mon. 487 Comment
  CAS-BOT-BC349796  Monoptilon bellioides Javier Penalosa 1963-4-10 2779 Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  JOTR16607  Monoptilon bellioides Vanderspek & Youse 1964-4-19 64517 Riverside Joshua Tree National Park. WILSON CANYON 853 Comment
  POM36544  Monoptilon bellioides Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA650955  Monoptilon bellioides David B. Dunn, H. Lint 1955-4-1 11837 Riverside Pushawalla Canyon, Indio Hills. Top of the hill on the east side. Comment
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May 24 2012
  UCD134630  Monoptilon bellioides David Charlton 1988-2-18 1144 Riverside Alluvial Fan, south side of Little San Bernardino Mountains. Fargo Canyon Road to Cottonwood Wash, south of Joshua Tree National Park, parallel to I-10. 1 mile east of Jct Dillon Road and Fargo Canyon Road. 609 Comment
  UCR148442  Monoptilon bellioides John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 25 and 26, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR74395  Monoptilon bellioides Theo Glenn 1991-5-2 91- 12 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  CAS-BOT-BC349809  Monoptilon bellioides L. R. Abrams 1926-3-26 11031 Riverside Palm Springs Comment
  SBBG56964  Muhlenbergia asperifolia M. D. Clary 1928-8-11 70 Riverside Carrizo Crk Comment
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Nov 11 2011
  CAS-BOT-BC267020  Muhlenbergia filiformis Ralph Hoffmann 1929-9-6 s.n. Riverside Tahquitz Valley, Mount San Jacinto 2438 Comment
  JEPS22521  Muhlenbergia microsperma Rimo Bacigalupi with Paul Hutchison 1958-2-19 6189 Riverside 9.4 mi. n. Blythe (in wash at w. base of Big Maria Mts.); Big Maria Mts. 167 Comment
  RSA0099597  Muhlenbergia microsperma Duncan S. Bell, Evan Meyer 2014-10-29 7700 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
  SD212436  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato, et al. 2006-5-28 32651 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bunday Canyon/Scott Road and north of Clinton Keith Road, vicinity of peak 2279. 579 Comment
  UCD86846  Muhlenbergia microsperma F. M. Reed 1920-1-25 4155 Riverside Riverside and Vicinity. Box Springs Mountains. 640 Comment
  OBI22027  Muhlenbergia porteri Robert F. Hoover 1966-10-15 10175 Riverside Bighorn Dr, San Jacinto Mts Comment
  POM48398  Muhlenbergia rigens P. A. Munz, I. M. Johnston 1924-7-28 8814 Riverside Pine Flats 1738 Comment
  UC819132  Muhlenbergia rigens I. W. Clokey and E. G. Anderson 1935-8-21 6524 Riverside Fuller Creek San Jacinto Mountains 1650 Comment
  UC64098  Muilla maritima H. M. Hall 1897-5-1 519 Riverside San Jacinto River San Jacinto Mountains 762 Comment
  RSA0010811  Myoporum laetum Mitch Provance 1998-6-6 690 Riverside Jurupa Mountains: Jensen Quarry, Sunnyside area on W side of Sierra Blvd., just E of corner of 29th St. and Scenic Drive. 305 Comment
  RSA660503  Myosurus minimus subsp. apus A. C. Sanders, K. C. Rose 1998-5-21 21861 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  UCR83570  Myosurus minimus subsp. apus Scott D. White 1993-3-12 1142 Riverside San Jacinto Valley, between aqueduct and Warren Rd. 457 Comment
  SD9563  Myriopteris viscida C. C. Parry Apr 1876 Riverside San Jacinto Mountains Comment
  UCD119564  Nama demissa var. demissa Geoffrey Levin 1976-3-27 691 Riverside Chino Canyon, west of Palm Springs. 396 Comment
  JOTR00896  Nama demissa var. demissa Sipe, Frank 1958-3-7 246 Riverside Joshua Tree National Park. NORTH OF CHOLLA PATCH Comment
  RSA709188  Nama stenocarpa Chris E. True, Robert Cox 2005-7-21 s.n. Riverside San Jacinto Valley: Mystic Lake, lakeshore west of Bridge Street intersection with Gilman Springs Road. 436 Comment
  UC333428  Nassella cernua unknown April 1888 Riverside Elsinore Comment
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Feb 4 2013
  SEINET244824  Nassella tenuissima A. C. Sanders 2001-5-1 24067 Riverside San Bernardino Valley region: Riverside, UCR campus 335 Comment
  UCR167832  Navarretia atractyloides T. B. Salvato, Melissa Clemons 2005-6-2 1337 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCR22128  Navarretia atractyloides Steve Boyd 1980-6-4 312 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA588975  Navarretia fossalis D. E. Bramlet 1993-5-8 2344 Riverside San Jacinto Valley, 7.2 km west of Hemet, 183 m north of Stowe Rd. and 610 m south of Setson Ave.,120 m east of California Ave. and 152 m west of the MWD canal. 456 Comment
  UCR206021  Navarretia fossalis Diane Menuz 2009-5-14 497 Riverside Peninsular Ranges: Santa Ana Mountains, Santa Rosa Plateau. Western side of Mesa de Burro, in series of 4 vernal pools 609 Comment
  UCR70681  Navarretia fossalis D. E. Bramlet 1991-6-1 2170 Riverside Perris-Aguanga Basin region, San Jacinto River, about 2.2 km west of Lakeview, within the riverbed, 1 mi north of MWD (Colorado Aqueduct) easement road 473 Comment
  UCR24247  Navarretia hamata John C. Roos 1965-6-30 s.n. Riverside Santa Ana Mtns., Ortega Hwy Comment
  POM122127  Nemacaulis denudata var. denudata S. B. Parish 1906-5-1 s.n. Riverside Palm Springs. Comment
  UC849823  Nemacaulis denudata var. gracilis Alice Eastwood 1913-4-30 2972 Riverside Palm Springs Comment
  UCR85603  Nemacladus orientalis Theo Glenn 1991-5-2 91- 31 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  SEINET10461021  Nemacladus pinnatifidus Willis L. Jepson 1928-4-25 Jepson 12601 B Riverside Cottonwood Springs, Eagle Mountains, Colorado Desert 732 Comment
  UC668356  Nemacladus rubescens Annie M. Alexander and Louise Kellogg 1941-4-24 2085 Riverside gorge of Dry Morongo Creek (Morongo Valley); Morongo Valley 640 Comment
  RSA0006294  Nemacladus rubescens var. tenuis H. M. Hall 1905-4-17 5819 Riverside Eastern Base of Indio Mtn. Colorado Desert. 150 Comment
  POM13005  Nemophila menziesii P. A. Munz, D. M. Johnston 1922-5-19 5426 Riverside Keen Canyon, San Jacinto Mountains. 1524 Comment
  SD181486  Nemophila menziesii Scott D. White 2000-4-12 7644 Riverside San Jacinto Mountains, Baldy Mountain area; Idyllwild [quad]. 1616 Comment
  UCR133409  Nemophila menziesii Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 325 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  UCR199  Nemophila menziesii Robert M. Hasegawa 1976-4-5 s.n. Riverside Riverside, University of California campus, 1/8 mi. south of Perimeter Road [South Campus Drive] 274 Comment
  UCR251693  Nemophila menziesii T. B. Salvato 2014-4-9 7835 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  UCSB33377  Nemophila menziesii Marks, R. 1978-3-16 Riverside At top of hill 3/4 mi. W of orange grove at 3000 McAllister Dr. in Riverside 457 Comment
  UCR241688  Nemophila menziesii var. integrifolia T. B. Salvato 2013-3-22 7404 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  CSUSB935  Nicotiana bigelovii Kenneth Hibberd 1966-4-10 660410 3 Riverside Arlington Ave., 1 mile east of Victoria St. in the city of Riverside. 304 Comment
  UCR174248B  Nicotiana glauca A. C. Sanders, T. B. Salvato 2006-6-2 33067 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. 579 Comment
  UCR91736  Nicotiana glauca A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18098 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  RSA648308  Nicotiana glauca Mark Hotchkiss 1977-4-12 s.n. Riverside La Loma hills. 0.25 mi. N. of Center St. Comment
  RSA11572  Nicotiana obtusifolia A. N. Dunn 1932-3-26 s.n. Riverside Box Canon. [Canyon] Comment
  RSA0018755  Nicotiana obtusifolia Kraemer 1929-3-17 s.n. Riverside S. La Quinta. Comment
  RSA58891  Nolina parryi Sara M. Schenck 1950-6-8 15482 Riverside Below dam in wash above Desert Queen Mine, Joshua Tree National Monument. Comment
  RSA747436  Nolina parryi T. Scott, K. M. Meyer, A. Townesmith 2007-3-18 137 Riverside San Bernardino National Forest. San Jacinto Ranger District, about 0.2 mi. along Pinon Flats Transfer Station Rd. off Rte. 74. 1228 Comment
  SBBG58714  Nolina parryi R. Hoffmann 1929-9-11 Riverside Hamilton Grade Comment
  CAS-BOT-BC71174  Notholaena californica S. B. Parish; W. F. Parish 1884-4-1 502 A Riverside Agua Caliente, desert slope of San Jacinto Mt. Comment
  IRVC18323  Notholaena californica Gordon A. Marsh, K. G. Marsh 1977-3-21 s.n. Riverside Santa Ana Mtns: Orange/Riverside county border; Bear Springs. Peninsular Ranges Comment
  POM259122A  Notholaena californica subsp. leucophylla A. Lefebure 1941-03 s.n. Riverside Andreas Canyon, near Palm Springs Comment
  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
  SBBG122762  Nuttallanthus texanus A. Parikh 1990-4-27 162 Riverside Rawson Cyn, SW of Crown Valley, 1.6 km SW of jct of Crown Valley Rd and Rawson Rd 612 Comment
  UCR14367  Oenothera bistorta Steven Wickler 1974-4-21 003 Riverside San Jacinto Valley, immediately off of Hemet-San Jacinto offramp, U.S. Hwy 60, 8 mi. east of Riverside 518 Comment
  CSUSB200  Oenothera californica Robin Maetche, Jim Hearne, Geoffrey Matthews 1971-5-19 Riverside 5 miles south of Idyllwild. Comment
  POM12929  Oenothera californica subsp. californica P. A. Munz 1922-6-27 5845 Riverside Santa Rosa Mountains, Santa Rosa. 1982 Comment
  RSA153428  Oenothera cardiophylla subsp. cardiophylla M. French Gilman 1927-12-31 s.n. Riverside Pinto Basin, Colo. Desert. Comment
  RSA778490  Oenothera deltoides Duncan S. Bell 2009-3-8 57 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  HSC101250  Oenothera deltoides subsp. deltoides Jim Andre 2012-3-19 21350 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  RSA575843  Oenothera elata subsp. hirsutissima Steve Boyd 1982-11-2 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of Estelle Creek and Temescal Creek, at the northern end of the entrenched meander of Temescal Creek at the western base of Estelle Mountain 329 Comment
  RSA26836  Oligomeris linifolia I. L. Wiggins 1941-3-24 9581 Riverside Eastern margin of Salton Sea, 3.5 miles south of Mortmar Comment
  RSA717444  Oligomeris linifolia Scott D. White, Pam De Vries 2006-3-14 11256 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  UC68563  Oligomeris linifolia H. M. Hall Apr., 1905 5775 Riverside Indian Well; Colorado Desert, Indian Well 0 Comment
  LA205147  Olneya tesota Sponsler; 1925-4-18 6968 Riverside 6 mi. E of Mecca Comment
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Feb 22 2014
  SBBG3754  Olneya tesota H. and M. Dearing 1940-6-7 4337 Riverside Box Cyn, near Mecca Comment
  CAS-BOT-BC349925  Oncosiphon piluliferum A. C. Sanders 2004-4-9 27479 Riverside Perris Valley: Ramona Expressway at east end of Lake Perris dam 457 Comment
  RSA0038513  Oncosiphon piluliferum R. E. Riefner Jr. 2012-4-30 12 -82 Riverside city of Lake Elsinore, south side of Alberhill Creek, west of Hwy 74, vicinity of Bromley Ave. and Baker Street 380 Comment
  RSA781254  Oncosiphon piluliferum A. C. Sanders 2011-3-30 38906 Riverside city of Lake Elsinore, along north edge of Hwy 74 at and above Trellis Lane 457 Comment
  UCR241846  Oncosiphon piluliferum A. C. Sanders 2013-4-17 40806 Riverside Peninsular Range; Eastern Foot of Gavilan Hills, Hwy 74 between Lake Elsinore and Meadowbrook, 0.1 km NE of Wasson Canyon Rd. intersection 499 Comment
  SEINET9037810 Image available Opuntia basilaris M. A. Baker, Michelle Cloud-Hughes 2015-1 18413 Riverside San Gorgonio River, 2km SW of Cabazon, 27km WNW of central Palm Springs, 14km WSW of the historical site of Whitewater 513 Comment
  UCD97977  Opuntia basilaris var. basilaris Geoffrey Levin 1974-3-30 7 Riverside Chino Canyon below the tramway. 426 Comment
  CAS-BOT-BC56829  Opuntia chlorotica Dr. Barton W. Evermann 1924-4-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  POM313595  Opuntia echinocarpa J. W. Toumey 1895-04 s.n. Riverside Banning. Comment
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Mar 21 2011
  SEINET10447236  Opuntia echinocarpa Billy Joe Cox 1975-4-23 Cox 4172 Riverside Palo verde, 1-3 km w, creosote desert scrub, sandy and gravelly entisols. 70 Comment
  JOTR01118  Opuntia erinacea var. erinacea Cole, James E. 1941-5-17 729 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1371 Comment
  RSA381559  Opuntia leucotricha A. C. Sanders, M. Bogen 1987-5-28 7105 -B Riverside Riverside; a roadside waif on fill along van Buren Blvd. Near the bridge over the Santa Ana River. at Riverside sewer plant. 244 Comment
  CAS-BOT-BC56218  Opuntia littoralis Carl B. Wolf 1938-6-11 9422 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  UCR125198  Opuntia littoralis Mitch Provance 1998-5-24 530 Riverside Jurupa Mtns., Belltown area, 'Belltown Hill', small knoll near the E corner of Agua Mansa Rd. and Crestmore Rd./ Market St. 299 Comment
  UCR26540  Opuntia littoralis A. C. Sanders, S. Hagopian 1981-5-20 2145 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  SEINET10732264  Opuntia parryi Andrew Townesmith, Karen M. Meyer; Tracy Scott 2007-3-17 Townesmith 691 Riverside San Bernardino National Forest, San Jacinto Ranger District. 0.9 miles NE of route 74 on Apple Canyon Road. T6S R3E S3 San Bernardino meridian. 1358 Comment
  UCR118178  Orcuttia californica Jack Easton, J. E. Harrison 2001-9-8 s.n. Riverside Perris-Aguanga Basin region, Menifee, immediately NE of intersection of Menifee and Scott Roads. Paloma Valley c. 1.1 mi. south of Bell Mountain 453 Comment
  UCR26561  Orobanche californica subsp. feudgei T. P. Krantz 1982-5-19 s.n. Riverside San Jacinto Mtns, Garner Valley 1402 Comment
  JEPS85939  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4518 Riverside at lower end of Box Canyon near Garfield St. junction of Mecca; Box Canyon 91 Comment
  SBBG68734  Orobanche cooperi E. C. Jaeger 1926-2-1 Riverside Salt Crk Wash, near Dos Palmos Comment
  SBBG7245  Orobanche cooperi H. and M. Dearing 1942-4-4 4864 Riverside S of Vidal Comment
  UC724153  Orobanche cooperi Aven and Ruth Nelson 1939-3-28 3301 Riverside e of n end of Salton Sea, near Mecca Mecca Comment
  RSA560836  Orthocarpus purpurascens Steve D. Boyd, Tim S. Ross 1992-5-4 7186 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA797656  Orthocarpus purpurascens var. purpurascens Robert F. Thorne, E. W. Lathrop 1977-5-18 49764 Riverside Santa Ana Mountains: Camp Portrero [near junction of Tenaja Truck Trail and Ortega Highway (74)] Comment
  SD136935  Osmorhiza brachypoda Steve Boyd 1992-4-14 6801 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. Verdugo Trail from Tenaja Trail to Bluewater Trail, upper Bluewater Cyn., S of Sitton Peak Comment
  UCR158337  Oxalis pes-caprae A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30074 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
  POM229449  Oxytheca emarginata P. A. Munz 1937-5-30 15081 Riverside Northwest slope of Santa Rosa Mt. 2134 Comment
  UCR3585B  Oxytheca emarginata L. B. Ziegler 1964-7-10 640710- 001 Riverside San Jacinto Mtns., Garner Valley, 2 mi. northeast of Kenworthy Ranger Station Comment
  RSA519058  Oxytheca trilobata Chet McGaugh 1990-8-8 s.n. Riverside SW Dursano Valley, S of town of Anza. 1372 Comment
  UC849856  Oxytheca trilobata P. A. Munz 1922-6-25 5818 Riverside Vandeventer Flat San Jacinto Mts. 1402 Comment
  UCR26624  Oxytheca trilobata E. W. Lathrop 1966-5-29 6382 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  UCR194205  Ozothamnus diosmifolius Scott D. White, J. Wood 2007-4-16 11650 Riverside Peninsular Range, near Rainbow Valley, mountains west of I-15 Fwy and immediately north of San Diego County boundary 579 Comment
  CHSC20912  Paeonia californica Robert A. Schlising 1972-3-11 3011 Riverside Southwest of Corona, in large wash near margin of Cleveland National Forest. Comment
  POM270840  Paeonia californica Lyman Benson 1932-3-26 3178 Riverside Temecula Grade. Temecula Valley. 549 Comment
  UC1979663  Paeonia californica Darin L. Banks, Steve Boyd 1995-3-15 66 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. Comment
  CAS-BOT-BC327928  Palafoxia arida Lewis S. Rose 1936-1-1 36003 Riverside Colorado Desert. L.A. Aqueduct Road, 15 mi N of Indio 304 Comment
  SBBG104169  Palafoxia arida E. R. Blakley 1993-5-20 7566 Riverside W of rdside rest area at jct of Interstate 10 and rd S to Wyles Well, ca. 15 mi W of city of Blythe Comment
  UCR148315  Palafoxia arida John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 23 and 24, at Kaiser RR trestle over the canal, between Salt Creek and Hunters Spring 23 Comment
  UCR249510  Palafoxia arida T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7280 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  UC604859  Palafoxia arida var. arida Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9524 Riverside Pinto Basin 16 mi from Cottonwood Springs Comment
  UCR163069  Panicum alatum var. minus B. G. Pitzer, G. R. Ballmer 2000-10-14 4222 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, c. 22 miles west of Blythe 115 Comment
  RSA0027453  Panicum hirticaule Kristin Forgrave, Joshua Paolini 2013-8-7 29 Riverside At Ford Dry Lake, just north of I-10. Margins of lake bed. Comment
  CLARK-A1528-689  Papaver californicum Grace Sprague 1968-5-3 Riverside Twin Pines Comment
  JEPS43448  Parietaria hespera var. hespera S. B. Parish 1920-3-25 20013 Riverside Indian Wells; Colorado Desert Comment
  POM123212  Parietaria hespera var. hespera Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  SJSU10308  Parkinsonia florida R. C. McGehee 1971-4-12 364 Riverside 10 mi NE of Desert Center on Rice-Desert Center Rd Comment
  SJSU5172  Parkinsonia florida R. C. McGehee 1970-4-14 187 Riverside Rice Rd 7 mi NE of Desert Center Comment
  CLARK-A1528-4791  Paspalum dilatatum John C. Roos 1951-9-25 5262 Riverside Riverside 259 Comment
  UCR95742  Paspalum dilatatum D. L. Banks, V. W. Steinmann 1996-4-20 0902 Riverside Agua Tibia Mtns, NW Palomar Mtns; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California- Emerson Oaks Reserve 524 Comment
  RSA0104080  Pectis papposa Duncan S. Bell, Evan Meyer 2014-10-28 7664 Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  RSA0106722  Pectis papposa Duncan S. Bell 2011-9-30 2934 Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  UCR234242  Pectocarya anisocarpa A. C. Sanders, T. B. Salvato 2012-4-27 40088 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. near I-15 crossing and mouth of Mayhew Cyn. 314 Comment
  JEPS20700  Pectocarya heterocarpa Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13249 Riverside 11.3 mi n Blythe; US hwy 95 Comment
  RSA0121029  Pectocarya heterocarpa Duncan S. Bell, LeRoy Gross 2016-3-29 9109 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
  RSA517820  Pectocarya heterocarpa Steve Boyd, Orlando Mistretta 1986-3-13 1437 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  SEINET2043250 Image available Pectocarya heterocarpa A. C. Sanders, P. J. & G. MacKay, A. KNapp, C. Sanders 1995-2-19 15944 Riverside Santa Rosa Mountains: Coachela Valley at foot of Mountains; ancient fish traps 2.2 mi W of Valerie (Valerie Quad 7.5') T7S R7E sec 11 (SE/4) 0 Comment
  UCR225621  Pectocarya linearis A. C. Sanders, T. B. Salvato 2011-3-28 38828 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, west end of McLaughlin Rd. near Byers Rd., along powerline corridor 442 Comment
  RSA0062650  Pectocarya linearis M. Harthill 1973-2-17 s.n. Riverside W. Palm Springs. 365 Comment
  POM9017  Pectocarya linearis subsp. ferocula P. A. Munz, R. D. Harwood 1920-3-20 3387 Riverside Temescal Canyon 366 Comment
  SEINET3084047 Image available Pectocarya penicillata A. C. Sanders, P. MacKay, T. Thomas, G. Helmkamp 1997-2-8 19679 Riverside Colorado Desert/San Jacinto Mtns: Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon. 183 Comment
  UCR157954  Pectocarya penicillata T. B. Salvato, A. C. Sanders 2005-5-17 915 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
  UCR172185  Pectocarya penicillata John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley; small unnamed drainage in agricultural field along Leon Road [San Diego Aqueduct right of way] between Van Gaale Lane and Borel Road 412 Comment
  CAS-BOT-BC169710  Pectocarya peninsularis John Thomas Howell 1928-1-28 3282 Riverside Thousand Palms, Colorado Desert Comment
  UC551795  Pectocarya peninsularis F. R. Fosberg 1932-3-13 10624 Riverside Thousand Palms Canyon Comment
  CDA20945  Pectocarya platycarpa G. F. Hrusa, J. A. Hart 1993-4-4 10596 Riverside Cholla Garden, Joshua Tree N.M. Comment
  JOTR33868  Pectocarya platycarpa La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3054 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; rocky basalt slopes above Pinto Wash 377 Comment
  UCR175238  Pectocarya platycarpa Jim Andre, T. La Doux 2006-4-11 6743 Riverside S Mojave Desert, Joshua Tree National Park, along Pinto Basin Road (paved) through Wilson Canyon at Fried Liver Wash 858 Comment
  UCR89719  Pectocarya platycarpa J. M. Stewart 1991-4-7 784 Riverside Sonoran (Colorado) Desert, Pinto Wash south of Joshua Tree National Monument, Eagle Mountains Comment
  JOTR35041  Pectocarya recurvata La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3494 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  RSA234101  Pectocarya recurvata R. F. Thorne, R. Carolin 1967-3-21 41633 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  UCR249920  Pectocarya setosa A. C. Sanders, Steve Boyd, Fred M. Roberts, Robt. L. Allen 2009-4-9 36790 Riverside Peninsular Range; Santa Ana Mtns., Elsinore Peak, c. 0.4 mi. SE of the summit 1014 Comment
  UCR97288  Pedicularis densiflora Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3944 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of the lake, Saddle between summits, N slope along road heading N to Black Hills 793 Comment
  POM262931  Pediomelum californicum Unspecified 1941-5-10 125 Riverside Pinon flats Camp, Santa Rosa Mts. 1220 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
  SBBG35016  Pellaea mucronata T. L. Secrest 1951-5-19 Riverside San Jacinto Mtns Comment
  SD122171  Pellaea mucronata James C. Dice, Tu Chung 1987-10-19 739 Riverside Head of shallow side canyon, north side of Temecula Gorge, above Santa Margarita River,.4 km ENE of Field Station and just ENE of weather stn 330 Comment
  UCR163398  Pellaea mucronata O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  UCSC001083  Pellaea mucronata Peter Kamb 1947-2-1 452 Riverside Hall Canyon, San Jacinto Mts. 1158 Comment
  SD144116  Pennisetum setaceum A. C. Sanders, P. MacKay 1994-10-23 15848 Riverside San bernardino Mountains, Whitewater River Canyon, between the trout hatchery & Bonnie Bell, in moist sand near the stream on the canyon bottom 580 Comment
  UCR83331  Pennisetum setaceum A. C. Sanders 1994-5-15 14485 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  SD119895  Penstemon X parishii Louis B. Ziegler 1970-6-28 411 Riverside San jacinto Mountains - Thomas Mountain on north sloping ridge 1951 Comment
  RSA679101  Penstemon californicus Mark A. Elvin, Victoria Jotikasthira, Ron Wetherford, Jason Wetherford 1996-5-10 171 Riverside San Bernardino National Forest. [Garner Valley, San Jacinto Mtns]. 1372 Comment
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Dec 7 2007
  CLARK-A1045-286  Penstemon centranthifolius George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains Lake Fulmor 7.5'Q Comment
  UCR187288  Penstemon grinnellii Diane Menuz 2006-6-27 182 Riverside Peninsular Range; Santa Ana Mtns, trail to Santiago Peak, 100 m from Main Divide Road 1470 Comment
  SEINET10376031 Image available Penstemon rostriflorus Gary Wallace, D. Wilken 1966-7-3 633 Riverside East end of the San Jacinto Mountains up Thomas Mountain Road Comment
  JEPS11601  Penstemon spectabilis var. spectabilis W. L. Jepson 1901-5-18 1260 Riverside San Jacinto River San Jacinto River (Southern California) 548 Comment
  SEINET852425  Pentagramma triangularis G. Yatskievych 1981-1 81 -141 Riverside Overlooking Lake Elsinore, State Highway 74, 0.6 miles northeast of El Carizo. Comment
  GMDRC5488  Peritoma arborea var. arborea J. Andre 2012-4-16 20895 Riverside Little San Bernardino Mountains: along Cottonwood Spr. Rd, 1.0 mi. north of South Entrance 584 Comment
  CAS-BOT-BC355981  Perityle emoryi M. Bourell; R. Patterson 1987-4-14 3276 Riverside Spur N of Box Canyon Hwy 195, BLM Conservation Area 150 Comment
  JEPS34960  Perityle emoryi Mary Beal 1941-4-6 861 Riverside Box Canyon Colorado Desert, Coachella Valley, Mecca Hills Comment
  SBBG100847  Perityle emoryi W. L. Halvorson 1977-2-5 77 -10 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UCR214428  Perityle emoryi A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37477 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
  JOTR29383  Petalonyx linearis La Doux, Tasha, Mike Bell 2006-5-10 1460 Riverside Joshua Tree National Park. East Deception Canyon Comment
  POM84173  Petalonyx thurberi Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  RSA0107431  Petalonyx thurberi Duncan S. Bell 2009-8-15 423 Riverside West side of the Arica Mountains. 323 Comment
  UCR20986  Petunia parviflora A. C. Sanders, Steve Boyd 1980-5-19 1478 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  RSA796452  Peucephyllum schottii Duncan S. Bell 2009-4-18 226 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
  UCR226767  Peucephyllum schottii Jim Andre 2011-2-9 15898 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
  RSA783086  Phacelia J. D. Olmsted 1959-6-23 651 Riverside M. fk. San Jacinto River. Desert Sun School near Idyllwild. 1646 Comment
  UCD166239  Phacelia Jack Major 1962-4-16 774 -bd Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  POM259713  Phacelia ambigua P. A. Munz 1940-3-23 15667 Riverside South base of Pinto Mountains, road Dale to Cottonwood Springs. 610 Comment
  RSA736783  Phacelia brachyloba Scott D. White, Angelia Carey 2004-7-2 10554 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA740084  Phacelia brachyloba Scott D. White, Justin M. Wood 2008-6-16 12149 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  SBBG65004  Phacelia campanularia E. C. Jaeger 1926-3-1 Riverside Whitewater Bench, Whitewater River Comment
  UCR103257  Phacelia campanularia B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3570 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  JEPS24831  Phacelia campanularia subsp. campanularia Peter M. Ray 1949-3-12 1352 Riverside 2 mi w of Whitewater (n side of Coachella Valley); Coachella Valley 457 Comment
  POM99023  Phacelia campanularia subsp. vasiformis E. C. Jaeger 1926-4-26 s.n. Riverside Eagle Mts, 30 miles E of Mecca Comment
Read comments
Sep 7 2011
  UCR18538  Phacelia ciliata O. F. Clarke 1973-3-10 s.n. Riverside Lakeview Area, 2.5 mi north of Ramona Expressway on Davis Rd. 434 Comment
  SEINET10496983  Phacelia crenulata Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-12 Dietrich 24 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. Along gravelly wash in creosote bush scrub. 380 Comment
  JOTR28948  Phacelia crenulata var. ambigua La Doux, Tasha 2005-3-30 1184 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA0043223  Phacelia crenulata var. ambigua Duncan S. Bell 2009-3-7 18 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  UCR124004  Phacelia crenulata var. ambigua George K. Helmkamp, E. A. Helmkamp 2001-4-14 6465 Riverside Coachella Valley, Indio Hills, 1.4 mi north of Ramon Rd on Avita Rd (Avita is 2.8 mi east of I-10) 46 Comment
  CLARK-A1528-559  Phacelia distans C. M. Flanagan 1973-4-26 OO 307 Riverside Morongo Indian Reservation 914 Comment
  JEPS2376  Phacelia distans W. L. Jepson 1927-4-12 11672 Riverside Mecca Painted Canyon 76 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
  RSA426250  Phacelia distans H. de Forest, Jack Rempel 1934-4-14 19807 Riverside San Gorgonio Pass. 602 Comment
  RSA781797  Phacelia distans Duncan S. Bell 2010-5-1 883 B Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  SBBG11789  Phacelia distans H. and M. Dearing 1937-4-10 1463 Riverside NE of Indio Comment
  SD193113  Phacelia distans W. J. Schrenk 2008-4-30 87 Riverside Anza-Borrego Desert State Park, Coyote Canyon Road Comment
  SD217310  Phacelia distans Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 938 Riverside Northwest Palomar Mountains; northwest foothills of Dorland Mountain, south end of Los Caballos Road, University of California-Emerson Oaks Reserve. 448 Comment
  UC809715  Phacelia distans Philip A. Munz 1949-4-11 13022 Riverside wash near Conejo Well; Mojave Desert, north base of Eagle Mts. 914 Comment
  UCR19172  Phacelia distans John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  POM289797  Phacelia distans Lyman Benson 1933-3-31 4178 Riverside Beginning of Hemet Road, San Jacinto Mt. Colorado Desert. 579 Comment
  SEINET1908502  Phacelia imbricata A. C. Sanders, Mitch Provance 2008-1 35787 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. 1450 Comment
  UCR80811  Phacelia imbricata Scott D. White 1993-5-29 1463 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  JEPS2097  Phacelia ivesiana E. E. Schellenger May 1920 Riverside e Coachella; Colorado Desert Comment
  OBI20177  Phacelia minor David J. Keil 1979-3-18 12968 Riverside Alberthill Jctn along Hwy 71 366 Comment
  RSA428083  Phacelia minor H. Twining 1888-03 s.n. Riverside Riverside. Comment
  RSA428086  Phacelia minor Christopher Davidson 1973-4-1 1794 Riverside Agua Tibia Mountains. Highway 71/79 approximately 7 miles from junction of US 395 South. 412 Comment
  RSA67760  Phacelia minor G. R. Campbell 1951-4-22 16071 Riverside Hwy 74, 4 mi. above Cranston Ranger Stn. 1006 Comment
  RSA678361  Phacelia minor Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10498 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  SDSU18779  Phacelia minor C. Matt Guilliams 2008-2-13 453 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 410 Comment
  SFV4383  Phacelia minor F. M. Ball 1964-1-4 66 6 Riverside San Bernardino Mountains Whitewater Canyon. About 1 mile north of main Banning to Indio Highway (16 miles east of Banning). East-facing slope. 475 Comment
  UCR91460  Phacelia minor Scott D. White 1995-3-30 2675 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
  UCSB5420  Phacelia minor Mazzia, Linda 1960-5-15 Riverside 2.2 miles south of Highway 70 and 99 on road from Banning to Idyllwild on north side of San Jacinto Mountains 914 Comment
  RSA0106602  Phacelia minor Robert F. Thorne 1995-3-29 63029 Riverside White Water Canyon. 600 Comment
  GMDRC6544  Phacelia ramosissima J. M. Andre 2012-6-15 30496 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
  CAS-BOT-BC145000  Phacelia ramosissima var. latifolia Peter H. Raven; R. Snow 1957-7-26 11090 Riverside Banning-Idyllwild road 0.9 mi. n. of Vista Grande Ranger Station, San Jacinto Mts. Comment
  UC56712  Phacelia ramosissima var. ramosissima Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  UCR18203  Phalaris minor A. C. Sanders 1978-4-2 880 Riverside Sonoran (Colorado) Desert, Coachella Valley near Indio, intersection of Hwy 111 and Washington St. 30 Comment
  UCR260311  Phalaris minor A. C. Sanders, Jim Malusa 2015-3-10 41380 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, eastern canyon at Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 611 Comment
  UCR77684  Pholisma arenarium Steve Boyd 1991-5-20 6277 Riverside Santa Ana Mtns., NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary 671 Comment
  RSA0043161  Pholistoma auritum var. auritum Scott D. White, Justin M. Wood 2008-3-25 11784 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  CDA22364  Phoradendron californicum T. C. Fuller 1961-1-1 5493 Riverside West of Highway 99, 1.5 miles south of Oasis. 0 Comment
  JEPS42602  Phoradendron californicum S. B. Parish 1920-3-26 20010 Riverside Colorado Desert, Indian Wells Comment
  RSA27714  Phoradendron californicum C. Leo Hitchcock 1940-4-2 5917 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  RSA475287  Phoradendron californicum Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2103 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA651773  Phoradendron californicum Darrell Garrett 1949-6-2 s.n. Riverside 6 miles west of Palm Springs. 114 Comment
  RSA708427  Phoradendron californicum Scott D. White 2005-3-29 10830 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  SEINET3163356  Phoradendron californicum L. S. Rose 1935-12-19 35667 Riverside Palm Springs. Colorado Desert 138 Comment
  UC61548  Phoradendron californicum Miss Mary McKibben Riverside Mecca -60 Comment
  UCR123874  Phoradendron californicum Steven R. Hill 2001-4-29 33535 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  UCSB1314  Phoradendron californicum Graney, Don 1953-3-22 Riverside Morango Canyon, Colorado Desert Comment
Read comments
May 15 2016
  OBI75817  Phoradendron californicum var. leucocarpum Robert F. Hoover 1966-10-15 10165 Riverside Dead Indian Cyn Comment
  RSA645540  Phoradendron densum George K. Helmkamp 1995-11-16 s.n. Riverside San Jacinto Mountains. Pinyon Pines Camp beside Hwy 74. 1235 Comment
  RSA717208  Phoradendron densum A. C. Sanders 2004-4-2 27429 Riverside Peninsular Range: Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  RSA654165  Phoradendron villosum A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22285 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  RSA594133  Phyla nodiflora var. nodiflora D. L. Banks, Victor W. Steinmann 1996-4-20 899 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 524 Comment
  POM118489  Physalis crassifolia Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well. Comment
  POM14264  Physalis crassifolia Philip A. Munz, D. D. Keck 1922-4-9 4814 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  POM4167  Physalis crassifolia I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canon. 274 Comment
  SBBG66344  Physalis crassifolia M. N. Ackley -Feb-1926 973 Riverside Painted Cyn 76 Comment
  UCR102928  Physalis crassifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2670 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  SD136361  Pinus flexilis Carl B. Wolf 1932-8-5 Riverside slopes of San Jacinto Peak, along trail above Round Valley 2925 Comment
  RSA650356  Pinus monophylla Nancy Gould 1977-1-22 40 Riverside On Hwy 74 across from sheep overlook. Comment
  SBBG99806  Pinus monophylla W. L. Halvorson 1977-4-4 77 -236 Riverside transition from desert to Joshua Tree Nat Monument 1219 Comment
  CAS-BOT-BC72838  Pinus quadrifolia Verne Grant 1951-7-23 16111 Riverside Hillslope in narrow canyon, several miles east of Anza on road to Hwy 74. 762 Comment
  NY62124  Pinus quadrifolia V. Duran 1933-7-2 3495 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCR135821  Pistia stratiotes A. C. Sanders, C. L. Sanders, D. L. Sanders 2004-5-23 27963 Riverside Sonoran (Colorado) Desert, Coachella Valley, northeast end of the Salton Sea, near end of Johnson St. -70 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
  RSA717338  Plagiobothrys arizonicus Scott D. White, Angelia Carey 2004-4-5 10001 -B Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCD120816  Plagiobothrys canescens Bill Wagner 1988-3-9 s.n. Riverside Benton Rd. and San Diego aqueduct, 1/2 mile E of Winchester Rd., NE of Murrieta. 411 Comment
  RSA0093974  Plagiobothrys collinus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37677 Riverside Peninsular Range; foothills of Gavilan Hills. Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 372 Comment
  UCR135807  Plagiobothrys collinus A. C. Sanders, Guy Bruyea 2004-4-2 27440 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  JEPS29315  Plagiobothrys collinus var. californicus Rimo Bacigalupi and L. Heckard 1962-3-26 8411 Riverside lower slopes hills on east side of Walker Canyon (just ne of Alberhill) 381 Comment
  RSA614194  Plagiobothrys collinus var. californicus A. C. Sanders 1997-3-1 19757 Riverside E side of Pigeon Pass Valley ca. 1/2 mile NW of Lawless Ranch, E of intersection of Hidden Springs Road and Pigeon Pass Road. 579 Comment
  UC1605426  Plagiobothrys collinus var. fulvescens Steve Boyd 1986-4-2 1594 Riverside Harford Springs County Park Gavilan Hills, Gavilan Hills, Harford Springs County Park 609 Comment
  UCR228175  Plagiobothrys jonesii Dave Silverman 2010-3-30 7888 Riverside Sonoran (Colorado) Desert, lower east flank of southern McCoy Mountains, 1.8 km W of Black Creek Rd, 7.0 km E of McCoy Peak, and 4.4 km north of I-10 183 Comment
  RSA752563  Plagiobothrys leptocladus Justin M. Wood 2009-3-3 329 Riverside Between the cities of Murrieta and Temecula, near the confluence of Warm Springs Creek and Murrieta Creek in a large open flood control field. 341 Comment
  SD224886  Plagiobothrys leptocladus A. C. Sanders, K. D. Jones & D. Malueg 1996-4-20 18048 Riverside San Jacinto River between Neuvo and Lakeview, from 11th to 13th Streets, alkaline flats among the E side of the river channel. 433 Comment
  UCR281124  Plagiobothrys leptocladus Mitch Provance, Jeremiah George 2017-3-23 317- 71 Riverside Elsinore Trough, Lake Elsinore, about 350 ft. NW of the corner of Diamond Dr. and Pete Lehr Dr. 386 Comment
  RSA85111  Plagiobothrys nothofulvus J. C. Roos 1952-4-16 5559 Riverside Box Springs Mountains, Pigeon Pass. 396 Comment
  SEINET272335  Plagiobothrys nothofulvus A. C. Sanders, G. Waines; B. Ehdai. 1997-3-12 19911 Riverside Lake Skinner area: upper Rawson Canyon 2.5 mi. NE of Skinner Lake 1 mi. SW of Crown Valley 595 Comment
  UC473484  Plagiobothrys tenellus John Thomas Howell 1930-5-10 4804 Riverside sandy plateau at top St. John's Grade Comment
  UC1950031  Plagiobothrys undulatus R. F. Thorne, E. W. Lathrop, S. Bickstrom-Sternberg, B. Martin May 1982 55209 Riverside Peninsular Ranges; Santa Ana Mountains region: SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. Comment
  SD146202  Plantago elongata A. C. Sanders, K. C. Rose 1998-5-21 21862 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 456 Comment
  RSA615041  Plantago erecta A. C. Sanders 1997-3-1 19740 Riverside Riverside, box Springs Mtns, S end of the range along Gernert road (dirt), in valley draining to Box Spring Canyon 457 Comment
  UCR172285  Plantago erecta 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
  UCSB52999  Plantago lanceolata Pritchett, David 1986-3-9 Riverside Box Canyon Wash 6 miles east of Mecca on Highway 195 Comment
  POM158181  Plantago major P. A. Munz, I. M. Johnston 1928-9-6 11267 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  UCD124529  Plantago ovata LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1439 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. 479 Comment
  JOTR35344  Plantago ovata var. fastigiata Harding, Mitzi, Mark Wheeler 2012-2-28 111 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; large northeast flowing canyon (Stop 5) 268 Comment
  RSA278979  Plantago ovata var. fastigiata Barry A. Prigge, L. Martinez 1978-3-23 2425 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA4937  Plantago ovata var. fastigiata Carl B. Wolf 1932-4-27 3060 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  SBBG68779  Plantago ovata var. fastigiata M. N. Ackley 1928-4-4 792 Riverside Thousand Palms 304 Comment
  JOTR32377  Plantago patagonica La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2488 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail; Pine-oak woodland among granitic boulder outcrops and narrow drainage system (Stop 3) 1295 Comment
  UC28029  Plantago patagonica H. M. Hall Jun 1901 Riverside Thomas Valley San Jacinto Mountains 1371 Comment
  UCR120911  Platanus racemosa A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24951 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  RSA674593  Platystemon californicus Scott D. White 2000-5-5 7772 Riverside City of Murrieta: Vacant lot on N corner at intersection of Jefferson Av. and Murrieta Hot Springs Rd. 323 Comment
  RSA0027563  Pleuraphis rigida April Garbat, Sarah Fisher, Kristin Forgrave 2013-8-1 97 Riverside Chuckwalla Valley. Intersection of Graham Pass Rd and Chuckwalla Valley Rd. 120 Comment
  RSA778422  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-12 94 Riverside Rice Valley. Highway 62 to to Blythe Rice Road. About 1 mile from highway. 229 Comment
  OBI8141  Pleurocoronis pluriseta David J. Keil 1977-3-28 12076 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd. 11 mi S of northern park boundary. Comment
  RSA695628  Pleurocoronis pluriseta J. R. Bruff 1933-1-1 s.n. Riverside Travertine Point, south of Indio. Comment
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Oct 30 2011
  CLARK-A1528-282  Pluchea purpurascens Fred B. Essig 1966-9-12 Riverside Santa Ana River Comment
  UCR125298  Pluchea purpurascens A. C. Sanders 2002-11-21 25633 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 457 Comment
  SEINET10523398  Poa pratensis David B. Dunn 1946-8-17 Dunn 2681 Riverside Grass near stream at camp in Taquity valley damp meadow area. Grass San Jacinto Mts. 2438 Comment
  IRVC26840  Poa pratensis subsp. pratensis S. D. White 1997-5-18 5163 Riverside Vista Grande Area: just W of USFS Vista Grande Fire Station (Hwy 243 ca. 10 road miles SE of Banning). San Jacinto Mtns. 1494 Comment
  RSA191390  Polygonum aviculare subsp. aviculare E. W. Lathrop, Robert F. Thorne 1967-10-27 6675 Riverside 5 miles NW of Murrieta. Santa Rosa ranch. Comment
  POM2363  Polygonum bistortoides I. M. Johnston 1916-8-1 s.n. Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  POM319090  Polygonum lapathifolium Patricia Wilder 1970-10-15 4777 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  UCR156357  Polygonum lapathifolium T. B. Salvato, Kent Beaman 2005-5-16 868 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
  UC2026433  Polygonum ramosissimum Louis C. Wheeler 1955-6-10 7152 Riverside 3.5 MILES NNE OF PALO VERDE: Avenue 32 & Rannells Blvd. Comment
  UCR239207  Polypogon australis Steven R. Hill 2001-4-29 33527 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  SBBG133354  Polypogon monspeliensis S. D. White 2004-4-26 10252 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Indian Crk Watershed 518 Comment
  IRVC174  Polystichum imbricans subsp. curtum Mike McCartin 1965-4-24 HS 551 Riverside highway 74; Mountain Center. Peninsular Ranges, San Jacinto Mountains Comment
  CAS-BOT-BC102585  Populus fremontii Ira L. Wiggins 1934-9-4 8039 Riverside along side street, Blythe Comment
  CAS-BOT-BC102604  Populus fremontii Marian L. Campbell 1921-3-19 34 Riverside Banning Comment
  SD229276  Populus fremontii Dick Schwenkmeyer 2013-6-11 904 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  LA102386  Porophyllum gracile John C. Roos; 1950-5-6 4789 Riverside Santa Ana Mountains, Tin Mine Canyon 609 Comment
  RSA407723  Porophyllum gracile Steve Boyd 1986-5-1 1786 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  RSA701158  Porophyllum gracile Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11261 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
  UCR41826  Porophyllum gracile A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6106 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR48392  Porophyllum gracile Steve Boyd 1986-5-1 1786 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  UCR68618  Porophyllum gracile Steve Boyd, D. E. Bramlet 1990-4-29 4485 Riverside Peninsular Range, Lake Skinner County Park, S flank of Bachelor Mtn. Comment
  POM12677  Potamogeton diversifolius Philip A. Munz 1922-9-6 6380 Riverside Hidden Lake 2439 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
  UC123556  Potamogeton foliosus F. M. Reed 1906-7-31 1154 Riverside Riverside and vicinity Riverside Comment
  RSA741107  Potentilla glandulosa subsp. reflexa Scott D. White, Justin M. Wood 2008-6-17 12156 Riverside San Jacinto Mountains: South of Hwy 79 near Keen Camp Summit. 1402 Comment
  UCR201425  Potentilla glandulosa subsp. reflexa Scott D. White, Justin M. Wood 2008-6-17 12156 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  UCR35170  Potentilla gracilis L. B. Ziegler 1967-8-3 213 Riverside San Jacinto Mtns., May Valley area of Upper Herkey Creek 1555 Comment
  RSA0005686  Potentilla hassei H. E. Hasse 1892-7-3 s.n. Riverside San Jacinto Mountains. Comment
  RSA0020041  Proboscidea althaeifolia Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6013 Riverside Chuckwalla Valley; south side of Interstate 10, approximately 16 air miles west of Blythe and about 2 air miles southeast of Wileys Well. 122 Comment
  CAS-BOT-BC206980  Prosopis glandulosa var. torreyana Roxana S. Ferris 1918-6-14 975 Riverside Indian Wells Comment
  LA47470  Prosopis glandulosa var. torreyana Nesta Dunn; A. M. Martin 1932-3-27 sn Riverside Oasis Comment
  RSA522100  Prosopis glandulosa var. torreyana Steve Boyd, T. S. Ross 1989-8-28 3793 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UCR269109  Prosopis glandulosa var. torreyana Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4484 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 488 Comment
  UCSB7194  Prosopis glandulosa var. torreyana Krogen, Roger 1957-1 Riverside Canyon bottom 5 mi. E of Mecca on Hwy. 195 in Box Canyon Wash Comment
  SEINET10837956  Prosopis glandulosa var. torreyana David B. Dunn 1948-6-18 Dunn 3804 Riverside To the W of quad 2. At camp in Pushawalla canyon under palms. Comment
  SEINET3077265 Image available Prunus fremontii Dave Hawks 1987-3-3 Riverside Terwilliger Valley, 5 mi SE of Anza. 1280 Comment
  RSA0039274  Prunus ilicifolia A. C. Sanders 2014-4-25 41074 Riverside Temescal Canyon, Richland property near Horsethief Canyon Rd., SW of I-15 381 Comment
  UCR21839  Prunus ilicifolia Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  LA208109  Prunus ilicifolia subsp. ilicifolia W. E. Pequegnat; 1937-8-25 sn Riverside Santa Ana Mountains, Glen Ivy Trail Comment
  UC1176850  Psathyrotes ramosissima Lewis S. Rose 1959-1-12 59010 Riverside Cathedral City 121 Comment
  JOTR01283  Psathyrotes ramosissima Cole, James E. 1941-4-13 580 Riverside Joshua Tree National Park. PINTO PASS; 0.5 MILES NORTH OF MEEK'S CABIN 609 Comment
  POM10053  Pseudognaphalium biolettii Charlotte M. Wilder 1903-4-19 23 Riverside Wilder Canyon, W Riverside County Comment
  CAS-BOT-BC356793  Pseudognaphalium californicum A. C. Sanders 1997-3-19 20007 Riverside Lake Skinner area: slopes N of Tucalota Creek ca. 3/4 mi. (1.25 km) E of the lake 470 Comment
  UCR280932  Pseudognaphalium microcephalum Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-6-5 617- 16 Riverside Temescal Valley, Mayhew Wash, 200 yards E of I-15, N side of Temescal Canyon Rd. 314 Comment
  UC489194  Pseudognaphalium stramineum C. V. Meyer 1928-7-30 589 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow 1676 Comment
  RSA1136  Pseudotsuga macrocarpa J. T. Howell 1928-7-8 1054 Riverside Santa Ana Mountains above Glen Ivy 1524 Comment
  UCR85640  Psilocarphus brevissimus A. C. Sanders 1993-4-5 13687 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  CAS-BOT-BC361785  Psilocarphus brevissimus var. brevissimus A. C. Sanders 1993-5-12 14004 Riverside Hemet, SW corner of the intersection of Florida Ave. (Hwy 74) and Warren Rd., between the New San Diego Aqueduct and Warren 460 Comment
  SD262212  Psilocarphus chilensis Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-5-25 517 54 Riverside Elsinore Trough: Undeveloped area just NNE of Peter Lehr Drive at Diamond Circle, above the E side of the San Jacinto River (Lake Elsinore 7.5'Q) 387 Comment
  CAS-BOT-BC353580  Psorothamnus arborescens var. simplicifolius H. M. Hall 1905-5-11 6024 Riverside Cottonwood Mountains, Colorado Desert 609 Comment
  RSA657242  Psorothamnus arborescens var. simplicifolius J. Mark Porter 2001-4-2 12341 Riverside Coachella Valley, Desert Hot Springs, NE of Big Morongo Wash, just N of the jtn. Agusta Avenue and Little Morongo Drive. 412 Comment
  UC218162  Psorothamnus arborescens var. simplicifolius P. A. Munz and I. M. Johnston 1922-5-6 5167 Riverside Dry Morongo Wash; Colorado Desert 304 Comment
Read comments
Aug 18 2010
  HSC82766  Psorothamnus emoryi Christopher Davidson, A. P. Romspert, H. Surprenant 1979-4-29 7819 Riverside W of Indio, 3 mi. E of Date Palm Dr. 15 Comment
  POM66987  Psorothamnus emoryi Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sink near Oasis. Comment
  UC50193  Psorothamnus schottii L. D. Copeland Apr. 1904 4 Riverside West Canyon , West Canyon (Palm Springs) Comment
  UC866000  Psorothamnus schottii I. W. Clokey, B. C. Templeton 1930-4-9 4688 Riverside n Palm Springs (Colorado Desert); , n of Palm Springs 170 Comment
  UCD108371  Psorothamnus schottii Marian L. Vincent; Richard H. Swade 1963-10-19 467 Riverside On California State Hwy. 74 ca. 6 miles south of Palm Desert. Comment
  UCD166274  Psorothamnus schottii Jack Major 1962-4-17 788 Riverside On CA HWY 74 from Pinyon Flat to Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 435 Comment
  UCR158770  Psorothamnus schottii Lyman Benson, Robert Benson 1952-4-8 14848 Riverside Sonoran (Colorado) Desert, 2 mi. west of Shaver Summit [Chiriaco Summit] east of Indio, U.S. Hwy 66 518 Comment
  UCSB42194  Psorothamnus schottii Roos, John 1966-5-2 Riverside At the mouth of Pushawalla Canyon, Indio Mtns. Comment
  SEINET13373614 Image available Psorothamnus spinosus Victor Duran 1933-1 3499 Riverside Coachella Valley at Deep Canyon 244 Comment
  CHSC101907  Pterostegia drymarioides Steve Boyd; Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10456 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
  CLARK-A1528-764  Pterostegia drymarioides Robert Eaton 1968-5-13 680513-13 Riverside Sandia Canyon 0 Comment
  RSA543741  Pterostegia drymarioides Steve Boyd, Tim S. Ross, Mike Hammit 1991-5-2 6035 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
  UC455210  Pterostegia drymarioides I. J. Condit 1910-6-24 Riverside San Jacinto Mts., rd. to Idyllwild Comment
  SD136777  Punica granatum Steve Boyd 1994-10-14 8394 Riverside San Mateo Canyon Wilderness Area of the Cleveland National Forest. San Mateo Canyon, at confluence with Bluewater Canyon 1079 Comment
  RSA304833  Purshia tridentata var. glandulosa James R. Shevock 1971-5-8 1044 Riverside Near Skull Rock, Joshua Tree National Monument. 1311 Comment
  CAS-BOT-BC516759  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands: W of Beaumont, just E of jct of 60 Fwy and Jackrabbit Trail, off frontage road deadend 716 Comment
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Jan 17 2018
  RSA0127036  Quercus agrifolia Tom Scott 2011-04 2011 -581 Riverside San Bernardino Mtns: south side of mountains along Mias Canyon Rd., c. 0.5 mile north of Bluff St., north of Banning. 863 Comment
  UC5484  Quercus agrifolia Samuel B. Parish 1891-11-3 2253 Riverside Murietta Comment
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Jul 15 2009
  UCR270172  Quercus agrifolia A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42389 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  UCSB1039  Quercus agrifolia var. agrifolia Keator, Glenn 1959-05 Riverside foothills of northern Mt. San Jacinto Comment
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Mar 2 2014
  UCR163407  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 05- 594 Riverside San Bernardino National Forest: San Jacinto Mountains, 0.7 miles west of Santa Rosa Mountain Rd on SR 74 near Vandeventer Flat 1369 Comment
  RSA256678  Quercus berberidifolia T. L. Ackerman 1975-6-26 520 Riverside Hwy 74 between San Juan Capistrano and Lake Elsinore, Cleveland National Forest. Comment
  UCR23009  Quercus berberidifolia Saul Frommer 1981-3-26 s.n. Riverside Agua Tibia Mtns, Dripping Springs on the north side of the Agua Tibia Mtns. 10.7 mi east of I-15. 488 Comment
  UCR250404  Quercus berberidifolia Jeremiah George 2012-8-7 70812- 1 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Hwy 60 and Oak Valley Parkway, east of Potrero Blvd. 747 Comment
  UCR273036  Quercus berberidifolia Mitch Provance 2012-1-25 17380 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 689 Comment
  SD229172  Quercus chrysolepis Dick Schwenkmeyer 2012-8-7 789 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  UCD45551  Quercus chrysolepis E. W. Lathrop 1966-5-29 6383 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland Nat'l. Forest, Riverside Co. Elevation 4000 1219 Comment
  UCR40035  Quercus cornelius-mulleri G. R. Ballmer, G. F. Pratt 1985-10-19 s.n. Riverside Little San Bernardino Mtns., side canyon off Berdoo Canyon, near boundary of Joshua Tree National Monument [Park]. 1524 Comment
  UC500660  Quercus dumosa Aven Nelson 1930-3-1 11165 a Riverside Jack-rabbit Trail Banning Comment
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Mar 21 2011
  UCR273033  Quercus engelmannii Mitch Provance 2012-1-25 17376 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 677 Comment
  UCR60994  Quercus engelmannii B. G. Pitzer 1988-6-10 1051 Riverside Santa Ana Mtns., Rancho California area, intersection of Sandia Creek Road and La Cruz Drive Comment
  RSA571664  Quercus kelloggii C. Epling 1931-10-4 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1585 Comment
  UC1135917  Quercus wislizeni var. frutescens A. Lewis Mar 1934 370 Riverside Mojeska Peak Cleveland National Forest, Corona Quad. 1219 Comment
  UCSB34692  Quercus wislizeni var. frutescens Nixon, Kevin; Hendon, Emily 1980-5-23 Riverside 15.5 mi northwest of Idyllwild on Calif. Hwy 243; San Jacinto Mtns Comment
  SEINET273103  Rafinesquia californica G. K. Helmkamp, A. C. Sanders 1997-3-15 1486 Riverside Skinner Lake 488 Comment
  CAS-BOT-BC362628  Rafinesquia neomexicana Cecil Hart 1926-3-9 s.n. Riverside Between Indio & Whitewater Comment
  CLARK-A1656-688  Rafinesquia neomexicana Lois Ann Scott 1979-3-2 Riverside Rancho Mirage 91 Comment
  JOTR30139  Rafinesquia neomexicana La Doux, Tasha 2008-2-4 1706 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  RSA740940  Ranunculus aquatilis Scott D. White, Justin M. Wood 2008-7-9 12442 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  UCR18915  Ranunculus hebecarpus John C. Roos 1950-5-6 4790 Riverside Santa Ana Mtns., Hagador Canyon 610 Comment
  RSA613313  Raphanus sativus D. L. Banks 1997-3-1 1378 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  SDSU10377  Rhamnus ilicifolia H. Wedberg 1962-4-20 901 Riverside 8.4 miles from Hwy 79 in Hemet, and 0.5 mile from Cranston Ranger Station on road to Idyllwild. 610 Comment
  UC592702  Rhamnus ilicifolia P. C. Everett 1935-6-17 Riverside 0.5 mi above Glen Ivy Resort; Santa Ana Mts., Coldwater Canyon 457 Comment
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Jan 11 2007
  POM122331  Rhamnus tomentella subsp. cuspidata Marcus E. Jones 1924-8-20 s.n. Riverside Idyllwild. Comment
  POM48363  Rhododendron occidentale var. californicum P. A. Munz, I. M. Johnston 1924-7-27 8787 Riverside Dark Canyon, San Jacinto Mts. 1829 Comment
  UC449682  Rhus integrifolia Fred M. Reed 1908-2-23 2238 Riverside Wilder's Canyon; Jurupa Hills Comment
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Jul 30 2006
  UCR167811  Rhus laurina T. B. Salvato, Melissa Clemons 2005-6-23 1322 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  RSA650234  Rhus ovata Richard Phillips 1949-1-14 s.n. Riverside collected on Hwy between Corona and Elsinore. 152 Comment
  UC1929837  Rhus ovata Scott D. White, Angelia Carey and Linda Archa 2004-8-5 10684 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation. Comment
  UCR90748  Rhus ovata Scott D. White 1995-4-5 2751 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  SD212450  Rhus trilobata T. B. Salvato 2004-5-27 593 Riverside Head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  CLARK-A1528-4129  Ribes indecorum John C. Roos 1947-3-15 3341 Riverside San Jacinto Mountains Comment
  SBBG104048  Ribes indecorum S. D. White 1992-3-29 92 -55 Riverside Millard cyn, slope below fork with E Millard Cyn Rd Comment
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Sep 8 2014
  UCR97287  Ribes indecorum Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3942 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of the lake, Saddle between summits, N slope along road heading N to Black Hills 793 Comment
  SD148073  Ribes malvaceum var. malvaceum A. C. Sanders, Kent Beaman 2002-5-10 25054 Riverside Santa Rosa Plateau; hills west of the head of De Luz Creek, 0.4 mile south of Tenaja Road. 671 Comment
  POM15061  Ribes malvaceum var. viridifolium Mary F. Spencer 1922-4-22 1887 Riverside Canyon Prope [near] Banning 701 Comment
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Mar 13 2011
  UCR110989  Ribes nevadense George K. Helmkamp 1998-6-27 4126 Riverside Santa Rosa Mtns., 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), in vicinity of Santa Rosa Spring. 2232 Comment
  UCR47052  Ribes quercetorum B. G. Pitzer, A. C. Sanders 1987-4-21 490 Riverside Box Spring Mountains, near southernmost radio towers 793 Comment
  LA205507  Ribes roezlii W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild and Lily Rock Comment
  POM264  Romneya coulteri P. A. Munz 1918-4-27 2146 Riverside Temescal Canyon. Comment
  RSA16365  Romneya coulteri Percy C. Everett 1935-6-17 7167 Riverside Santa Ana Mts. Coldwater Canyon trail to Santiago Peak. 2 miles above Glen Ivy resort. 610 Comment
  UCR251867  Romneya coulteri M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  RSA752136  Rorippa curvisiliqua Justin M. Wood, Brandy Wood 2009-7-4 1040 Riverside Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. 250 Comment
  UCR111761  Rorippa nasturtium-aquaticum S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  UCR168276  Rorippa nasturtium-aquaticum N. C. Cooper 1944-5-6 1175 Riverside San Bernardino Mtns., Whitewater Canyon 457 Comment
  UCR84611  Rorippa nasturtium-aquaticum Scott D. White, S. Ogg 1994-4-21 2005 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA180385  Rosa californica E. W. Lathrop 1960-6-9 4976 Riverside 14 miles west of Murrieta. Comment
  UCR178336  Rosa californica Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 650 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UCR23506  Rubus parviflorus John C. Roos 1942-6-20 991 Riverside San Jacinto Mtns., Dark Canyon, N Fork San Jacinto River Comment
  RSA0034264  Rumex John F. Emmel 1991-8-10 1194 Riverside San Jacinto Mts.; along north shore of Lake Hemet, near Picnic Area; NW 1/4 S8, T6S, R3E. 1319 Comment
  UCR241406  Rumex crispus T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7446 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  UCR89820  Rumex dentatus 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
  UCR116781  Rumex salicifolius var. denticulatus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24162 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR90828  Sagina apetala A. C. Sanders, G. K. Helmkamp 1996-3-17 17980 Riverside Coachella Valley, Palm Springs, shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 189 Comment
  RSA653321  Sagittaria latifolia A. C. Sanders, Mitch Provance, T. B. Salvato 2000-10-5 23720 Riverside Santa Ana River Valley: Hidden Valley Wildlife Area, about 1/2 mile west of the park office (nature center), near Riverside between La Sierra & Norco. 191 Comment
  UC846660  Salix Joseph Andorfer Ewan 1933-3-19 10902 Riverside Santa Ana River bottoms at Prador; Santa Ana River, Prador Comment
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Oct 30 2011
  RSA659609  Salix exigua J. C. Roos 1947-2-15 3244 Riverside Lost Palms Canyon. Comment
  UCR138728  Salix exigua Julie A. Greene 1993-4-3 1088 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Raised wet area west of dirt road. 445 Comment
  UCR92246  Salix exigua Scott D. White 1995-7-7 3450 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  RSA0013520  Salix exigua Joan Stewart 1998-05 696 Riverside Big Morongo Preserve Comment
  LA208657  Salix gooddingii Philip A. Munz; 1932-3-24 12032 Riverside N of Elsinore 304 Comment
  RSA33367  Salix gooddingii N. C. Cooper 1943-9-26 931 Riverside Cabazon. 549 Comment
  SBBG29080  Salix gooddingii C. B. Wolf 1932-4-28 3085 Riverside back of Colorado River, ca. 800 m from State Inspection Station, on way to Blythe Bridge 90 Comment
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Mar 26 2011
  SD1047  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside Foot of east slope of Santa Rosa Mts., in Diablo Canyon, 3 m. above its mouth, near Clary's Coral Reef Ranch, Colorado Desert Comment
  SEINET4855853  Salix gooddingii var. variabilis Carl W. Sharsmith 1932-3-20 14 Riverside Foot of E slope of Santa Rosa Mts., in Diablo Canyon, 3 mi above its mouth, near Clary's Coral Reef Ranch. Comment
  SEINET272290  Salix laevigata A. C. Sanders, G. Helmkamp 1997-3-15 19968 Riverside Lake Skinner area: lower Rawson Canyon along the dirt road toward Bachelor Mtn. UTM 10km cell: MH-9E 1N Skinner Reser 457 Comment
  UC482398  Salix laevigata unknown 1932-6-5 924 Riverside Eagle Canyon Colorado Desert, Santa Rosa Mts, Eagle Canyon Comment
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Mar 11 2011
  UCR91919  Salix laevigata A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18102 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  RSA613316  Salix lasiolepis D. L. Banks 1997-3-1 1381 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  UCR114320  Salix lasiolepis Mitch Provance 1998-3-21 270 Riverside Jurupa Hills, Sunnyslope, near the Ormand Quarry, at the corner of 30th St. and Sierra Ave. 274 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
  UCR106417  Saltugilia australis George K. Helmkamp, A. C. Sanders 1997-3-15 1500 Riverside Skinner Lake, Grassland at base of Bachelor Mtn. and adjoining chapararal. 488 Comment
  RSA0105423  Saltugilia latimeri Annie M. Alexander, Louise Kellogg 1941-5-4 2114 Riverside Joshua Tree National Monument[now National Park]. 1250 Comment
  RSA771349  Saltugilia splendens subsp. splendens Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4474 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
  SD4321  Salvia apiana Fidella G. Woodcock 1928-4-27 Riverside San Jacinto mountain near bridge of S.J. Creek Comment
  SD48522  Salvia apiana E. K. Balls, P. C. Everett 1957-11-4 22748 Riverside Snow Creek near old Fish Hatchery, north base San Jacinto Mountains. 701 Comment
  RSA727073  Salvia carduacea Jay Walker, R. C. Walker 3090 Riverside S of Hemet, 1/4 mi. S of Gibbel Rd. about 1 mile E of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, S of mouth of Avery Cyn. Comment
  UCR62858  Salvia clevelandii Scott D. White 1990-6-14 s.n. Riverside Peninsular Range, Rainbow area: c. 1 mi (airline) SE of Temecula Canyon and 1 mi (airline) NW of Rainbow Valley. S boundary of property on the San Diego County line 427 Comment
  SEINET7063422  Salvia columbariae A. G. Vestal 1947-3-29 s.n. Riverside East of Lake Elsinore along Railroad Canyon. UTM Zone 11, 473626mE, 3725052mN. (WGS84/NAD83). 411 Comment
  UCR145077  Salvia columbariae A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27907 Riverside Peninsular Range, Alberhill Mountain, old clay mining area 424 Comment
  UCR22032  Salvia columbariae Steve Boyd 1980-5-11 236 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
  JEPS16863  Salvia greatae Marjorie D. Clary 1933-4-9 2185 Riverside 4 mi n Dos Palmos (n Colorado Desert); Colorado Desert 121 Comment
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Apr 29 2008
  JEPS16866  Salvia greatae Marjorie D. Clary 1938-4-17 2844 Riverside n of Salton Sea (bajada at base of Orocopia Mts); Orocopia Mts. 243 Comment
  CAS-BOT-BC229984  Salvia mellifera Ellsworth Bethel 1918-5-10 s.n. Riverside San Jacinto Comment
  RSA27574  Salvia mellifera C. L. Hitchcock 1940-4-12 6047 Riverside 8 mi. northwest of Elsinore 457 Comment
  CAS-BOT-BC224848  Salvia pachyphylla Nancy Ryan Zabriskie; Walter Zabriskie 1971-8-21 438 Riverside Below Santa Rosa Spring Camp, Santa Rosa Mountain road 2194 Comment
  JOTR29386  Salvia vaseyi La Doux, Tasha, Mike Bell 2006-5-10 1463 Riverside Joshua Tree National Park. East Deception Canyon Comment
  RSA500135  Sambucus mexicana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3675 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  UC729480  Sambucus mexicana Carl B. Wolf 1932-8-6 3991 Riverside base of Devil's Slide Trail to Tahquitz Valley; San Jacinto Mts., Strawberry Valley 1706 Comment
  CDA15706  Sarcostemma hirtellum G. F. Hrusa, J. A. Hart 1993-4-4 10592 Riverside Cholla Garden, Joshua Tree NM. Comment
  UCR189575  Satureja chandleri Amy Rowland 2007-4-26 58 Riverside Peninsular Range, Santa Rosa Plateau east slope of Mesa de Burro off of Guava Rd 349 Comment
  RSA753935  Schinus molle W. Schlegel, Andrew Trouette 2008-10-10 25 Riverside Snow Creek Cabin Parcel Comment
  RSA676102  Schismus barbatus Scott D. White 2001-4-3 8265 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  UCR102747  Schismus barbatus B. G. Pitzer 1998-2-1 3447 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 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
  UCR97461  Schismus barbatus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19872 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR97484  Schismus barbatus A. C. Sanders 1997-3-1 19705 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  RSA595319  Schismus barbatus D. L. Banks, Victor Steinmann 1996-4-20 882 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; On a NE trending ridge, NW of the Administration Cabin. 530 Comment
  RSA736531  Scirpus microcarpus Scott D. White 2004-4-26 10257 Riverside Soboba Indian Reservation, Indian Creek Watershed 518 Comment
  RSA180261  Scrophularia californica subsp. floribunda E. W. Lathrop 1965-4-18 5655 Riverside 10 miles west of Murrieta. Comment
  RSA674596  Scutellaria bolanderi subsp. austromontana Scott D. White 2000-8-5 8104 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  UCR193732  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35648 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  CAS-BOT-BC341105  Scutellaria mexicana S. B. Parish 1916-5-13 10835 Riverside Cottonwood Spr., Colorado Desert 792 Comment
  RSA597053  Selaginella bigelovii Darin L. Banks, Lauren Raz 1996-11-5 1164 Riverside NW Palomar Mtns; Agua Tibia Mountains; Pechanga India Reservation, SE of San Gabriel Church. On newly established firebreak along an E-facing ridge S of the southern fork of Penchanga Creek. 488 Comment
  SEINET7048182  Selaginella bigelovii Steven R. Hill 2001-5-3 33691 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  LA209669  Selaginella eremophila Lawrence L. Kiefer; 1964-3-1 1255 Riverside San Jacinto Mountains, Palm Canyon, above the parking lot 457 Comment
  RSA0123355  Selaginella eremophila Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9049 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  UC306703  Selaginella eremophila S. B. Parish 1919-3-27 19190 Riverside West Canyon Palm Springs; Colorado Desert 167 Comment
  UC35967  Senecio flaccidus var. douglasii H. M. Hall June 1901 2009 Riverside canyon of San Jacinto River San Jacinto Mountains, San Jacinto River 609 Comment
  UC35969  Senecio flaccidus var. douglasii H. M. Hall Aug 1899 Riverside Comment
  UC831925  Senecio flaccidus var. monoensis C. L. Hitchcock 1940-4-5 5964 Riverside 3 mi below Cottonwood Springs Comment
  CAS-BOT-BC364135  Senecio mohavensis Forrest Shreve 1937-3-12 7902 Riverside East base Coxcomb Mts. Comment
  OBI8142  Senecio mohavensis David J. Keil, Malcolm McLeod, Dirk Walters 1977-4-16 12075 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd 11 mi S of N park boundary Comment
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Apr 27 2013
  RSA0122704  Senecio mohavensis Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9060 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  OBI40097  Sesbania herbacea A. C. Sanders 1985-8-24 5950 Riverside Near Oasis in the lower Coachella Valley, On the E side of hwy 195, ca 1/2 mi N of the intersectin with Hwy 86 and just N of Ave. 76 52 Comment
  SD126149  Sesbania herbacea A. C. Sanders 1988-11-6 8736 Riverside Coachella Valley, west side of highway 86, 6.25 miles south of its junction with Highway 11, 3.85 miles north of Valerie Jean, .6 mils north of avenue 60 -35 Comment
  UCR110372  Sesuvium verrucosum A. C. Sanders, Mitch Provance 1999-9-26 23121 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
  UCR125469  Sesuvium verrucosum A. C. Sanders, P. J. MacKay, D. L. Sanders 2003-2-9 25687 Riverside Sonoran (Colorado) Desert, Coachella Valley, 84th Ave. east of Johnson St., near west edge of Salton Sea -67 Comment