Search Results — 2000 specimen records retrieved (1894 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SD132531  Abies concolor F. C. Vasek, K. Neisses 1979-7-26 790726 3 Riverside Santa Rosa Mountains, north of Toro Peak at Virgin Spring Comment
  SEINET9056157 Image available Abies concolor Virginia Carlson 1967-10-29 Riverside [San Jacinto Mountains] Near Black Mountain Campground 2134 Comment
  OBI26123  Abronia villosa David J. Keil 1976-12-12 11923 Riverside Along I-10, 37 mi E of Chiriaco Summit Comment
  SEINET893738  Abronia villosa Alma L. Moldenke, Harold N. Moldenke 1976-1 30689 Riverside Mecca, Mohave Desert. Comment
  UCR233709  Abronia villosa Duncan S. Bell 2010-5-1 870 Riverside Sonoran (Colorado) Desert, Arica Mountains, c. 11 air miles west of Rice, at the junction of Hwy 62 and the aqueduct access road 242 Comment
  UCR90170  Abronia villosa R. W. Scora 1966-4-1 3028 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  UCR219800  Abronia villosa var. villosa Ed Kentner 2010-5-6 113 Riverside Coachella Valley, near Cabazon, c. 250 m SE of the Arrowhead Water bottling plant 475 Comment
  UCR263648  Abronia villosa var. villosa David Fraker, Aaron C. Sedgwick 2012-3-22 016 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  POM217967  Abutilon palmeri George Black 1936-03 s.n. Riverside Wash at Corn Springs Comment
  RSA414901  Acacia greggii var. arizonica Ora M. Clark 1929-3-17 1748 Riverside S. La Quinta. Comment
  RSA414902  Acacia greggii var. arizonica E. Crow 1928-11-12 48 Riverside Morongo Valley, Colorado Desert. Comment
  CAS-BOT-BC20353  Achillea millefolium Winifern W. Swarth 1914-9-10 s.n. Riverside Tahquitz Valley, San Jacinto Mts. 2438 Comment
  SEINET4692065 Image available Achnatherum coronatum Frank W. Gould 1943-1 2128 Riverside 12 miles south of Corona on road to Elsinore Comment
  CAS-BOT-BC260436  Achnatherum hymenoides H. M. Hall 1899-5-24 1163 Riverside San Jacinto Mountains. Van DeVenders 1371 Comment
  POM365981  Achnatherum hymenoides Martha Hilend 1928-3-11 107 Riverside About 6 miles SE of Garnet Station Comment
  POM365982  Achnatherum hymenoides N. C. Cooper 1945-3-24 1615 Riverside Cabazon. 457 Comment
  SBBG644  Achnatherum hymenoides H. and M. Dearing 1942-3-7 4816 Riverside Whitewater Comment
  RSA700957  Achnatherum speciosum Gary D. Wallace 1982-5-15 1998 Riverside Palms to Pines Highway, 7 level hill. Comment
  UCR151367  Achyrachaena mollis Steve Boyd 2001-4-12 10411 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Gavilan Hills Region: South 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
  OBI8297  Achyronychia cooperi David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12060 Riverside Along Box Cyn Rd, ca. 20 mi ENE of Mecca in Orocopia Mts 274 Comment
  UCR116615  Achyronychia cooperi A. C. Sanders 2001-3-20 23837 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
  CAS-BOT-BC204875  Acmispon argyraeus var. argyraeus H. M. Hall 1901-6-1 2140 Riverside San Jacinto Mountains. Santa Rosa Mountain. Dry hillsides of Coyote Canyon 1524 Comment
  SEINET1869493  Acmispon brachycarpus A. C. Sanders, T. B. Salvato 2005-1 29763 Riverside Peninsular Ranges: Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine. 625 Comment
  SDSU14012  Acmispon glaber var. brevialatus Jonathan S. Austin, Michael G. Simpson 2002-4-20 14 Riverside Along northeastern part of Loop trail. Santa Margarita Ecological Reserve. 335 Comment
  RSA0120632  Acmispon rigidus Duncan S. Bell, Thomas Stoughton 2016-3-17 8961 Riverside Orocopia Mountains; east side of the range; collecting in rocky hills to the west of Red Cloud Wash. 531 Comment
  SD247417  Acmispon strigosus A. C. Sanders, Jim Malusa 2015-3-9 41364 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, along Gasline Road at major wash crossing 1.9 miles south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range (Red Cloud Canyon 7.5'Q) 671 Comment
  UC35625  Acourtia microcephala H. M. Hall Aug. 1901 2637 Riverside foothills of the w side San Jacinto Mountains; Southern California 762 Comment
  UCR260555  Acourtia microcephala T. B. Salvato, Matt Malle 2014-5-29 8015 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  UCR154622  Adenostoma fasciculatum A. C. Sanders, Mike Misenhelter 2005-6-15 30989 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  POM49866  Adenostoma fasciculatum var. fasciculatum Philip A. Munz, Johnson 1924-7-29 8860 Riverside Above Poppet Flat, San Jacinto Mts. 1220 Comment
  CSUSB1856  Adenostoma sparsifolium Ned Curtis 1974-7-19 Riverside San Jacinto Mountains San Jacinto Mountains 1523 Comment
  JEPS32114  Agnorhiza ovata Carl V. Meyer 1929-6-18 783 Riverside near Kenworthy (at edge of Hemet Valley); Hemet Valley Comment
Read comments
Mar 25 2011
  UCR44418  Agoseris retrorsa A. C. Sanders 1986-6-1 06562 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  POM14447  Agrostis idahoensis P. A. Munz 1922-7-6 6013 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  SEINET954736  Agrostis viridis T. B. Salvato, Sarah Flack 2007-1 3029 Riverside San Gabriel Mtns: East Fork Road crossing over the north fork of the San Gabriel River, Islip Saddle. 201 Comment
  UC573817  Agrostis viridis H. S. Yates 1936-8-29 6376 Riverside near Keen Camp; San Jacinto Quadrangle Comment
  RSA703739  Aliciella latifolia LeRoy Gross 2005-3-3 1559 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UC1280904  Allenrolfea occidentalis H. E. McMinn 1937-3-6 5016 Riverside River Rd. ca. 20 mi. n. of Blythe Comment
  RSA776336  Allionia incarnata Duncan S. Bell, Amanda Turek 2010-4-10 819 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UCR208853  Allionia incarnata Scott D. White 2001-4-17 8331 Riverside Sonoran (Colorado) Desert, Shavers Valley, north of the I-10 Freeway, c. 16 miles east of Indio junction of I-10 and Calif. 111, near powerline access roads at unnamed freeway exit accessing pump station 518 Comment
  UCR172135  Allium cepa A. C. Sanders 2006-5-11 32251 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  POM263555  Allium fimbriatum var. fimbriatum J. C. Roos 1941-5-10 129 Riverside Pinyon Flats Camp, Santa Rosa Mountains. 1220 Comment
  CAS-BOT-BC131984  Allium haematochiton Marcus E. Jones 1931-3-2 28594 Riverside Corona Comment
  RSA708421  Allium haematochiton Scott D. White, Brian Leatherman, James Huelsman 2005-2-14 10779 Riverside Santa Rosa Plateau area, just SE of Redonda Mesa. Corona Cala Camino at intersection w/ Cerro Rd. 701 Comment
  JEPS34548  Allium lacunosum W. L. Jepson May 17 1901-Jun 1 1901 1392 Riverside Palm Canyon to Van de Venter's 1280 Comment
  UC72163  Allium marvinii Dr. R. J. Smith 1904-1 300 Riverside Banning Comment
Read comments
Mar 13 2011
  JOTR35461  Allium parishii Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 64 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop4) Comment
  UCR24101  Allium peninsulare John C. Roos 1950-4-22 4753 Riverside Summit of Reche Canyon. 765 Comment
  UCR113560  Allium praecox Mitch Provance, Juanita Provance, Seychelle Provance, Claude Provance 1999-4-4 1755 Riverside Riverside, Prenda area (locally known as Whitegates Hills), c. 0.5 miles west of pk 1659. 366 Comment
  SBBG128719  Allium triquetrum O. F. Clarke 2010-2-20 Riverside O.F.Clarke residence, 266 Frost Court, Riverside, E edge of UCR campus 351 Comment
  LA106011  Alnus rhombifolia A. C. Sanders; E. J. Lawlor 1988-10-22 8726 Riverside Santa Rosa Mountains, Pinyon Flats area, along Horsethief Creek where the trail from the Dolomite Mine crosses 1100.0 Comment
Read comments
Mar 31 2014
  SDSU12237  Alnus rhombifolia Shasta Gaughen, M. G. Simpson 2000-4-29 10 Riverside Comment
  RSA763307  Amaranthus albus Scott D. White, Angelia Carey 2004-6-4 10476 -B Riverside San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  RSA335002  Amaranthus blitoides Steve Boyd 1985-7-30 1046 Riverside De Luz Rd. 7.8 mi west of Rancho California. Comment
  RSA736979  Amaranthus blitoides Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10669 Riverside Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  UCR132952  Amaranthus blitum A. C. Sanders 2001-11-25 24887 Riverside Moreno Valley, Home Depot at Pigeon Pass Rd. on north side of Hwy 60 503 Comment
  UCR100130  Amaranthus fimbriatus B. G. Pitzer 1997-10-19 3354 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
  UCR272673  Amaranthus fimbriatus Sarah J. De Groot, Duncan S. Bell 2015-9-21 7584 Riverside Peninsular Range; Santa Rosa Mountains, SSW of Palm Desert, along Carrizo Road just north of Hwy 74 1053 Comment
  RSA451153  Amaranthus palmeri Stephen M. Beckstrom-Sternberg 1985-9-10 1022 Riverside U.C.R. garden plots. Comment
  SD122878  Amaranthus retroflexus Steve Boyd 1985-7-23 1025 Riverside De Luz Road, 8.5 miles west of Rancho California 274 Comment
  RSA314492  Ambrosia acanthicarpa R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55355 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA3325  Ambrosia acanthicarpa C. B. Wolf 1931-10-14 2459 Riverside Cabazon, San Gorgonio Pass. 518 Comment
  UC527697  Ambrosia acanthicarpa C. B. Wolf 1931-10-14 Riverside roadside at Cabazon; San Gorgonio Pass 518 Comment
  RSA455874  Ambrosia confertiflora N. C. Cooper 1943-9-10 917 Riverside Banning. 610 Comment
  UCR18434  Ambrosia confertiflora O. F. Clarke 1975-11-10 s.n. Riverside Box Springs Mtns., Two Trees Canyon 459 Comment
  CAS-BOT-BC22597  Ambrosia dumosa Roxana S. Ferris 1918-6-17 1002 Riverside 5 miles E of Gruendikes Well on Mecca-Blythe Road Comment
  JEPS40957  Ambrosia dumosa I. W. Clokey and B. C. Templeton 1930-4-9 4705 Riverside n of Palm Springs; Colorado Desert 170 Comment
  JOTR29388  Ambrosia dumosa La Doux, Tasha, Mike Bell 2006-5-10 1465 Riverside Joshua Tree National Park. East Deception Canyon Comment
  RSA33503  Ambrosia dumosa N. C. Cooper 1944-4-8 1063 Riverside Andreas Canyon. 305 Comment
  RSA93686  Ambrosia psilostachya F. W. Peirson 1920-12-29 5276 Riverside Murray Canyon near Palm Springs. Comment
  UC809697  Ambrosia salsola var. salsola E. K. Balls 1949-4-2 12904 Riverside open slopes towards Salton Sea near Durmid (on Hwy 111); Colorado Desert -67 Comment
  POM48865  Amelanchier pallida Philip A. Munz, I. M. Johnston 1924-7-26 8701 Riverside small ravine, north of Dark Canyon 1524 Comment
  UCR35166  Amelanchier utahensis L. B. Ziegler 1969-6-30 391 Riverside Peninsular Ranges/ San Jacinto Mountains, Hemet Valley. Side canyon on west side of Valley opposite Kenworthy Ranger Station 1433 Comment
  UCSB23169  Amorpha fruticosa McMinn, Howard 1935-6-27 Riverside Palms to Pine Highway Comment
  RSA556478  Amsinckia intermedia Julie Greene 1993-3-13 1002 Riverside between ranch fence and permanent pond. 441 Comment
  UCR228885  Amsinckia intermedia A. C. Sanders 2011-4-6 39006 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  RSA499898  Amsinckia menziesii var. menziesii Jeannette B. Edge 1934-3-18 s.n. Riverside [San] Timoteo Canyon. 518 Comment
  UCR172614  Amsinckia retrorsa A. C. Sanders, John F. Green 2006-5-18 32370 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  RSA770691  Amsinckia tessellata var. tessellata Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4792 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA0104437  Amsonia tomentosa Duncan S. Bell, Evan Meyer 2014-10-28 7671 Riverside Orocopia Mountains; northwest section of range; approximately 1.8 air miles northwest of the summit of Orocopia Mountain. 936 Comment
  UCR89532  Amsonia tomentosa Bern Schwenn 1994-4-29 s.n. Riverside Little San Bernardino Mtns., Joshua Tree National Monument [now J.T. National Park], flat between Ryan Campground and Ryan Ranch. 1345 Comment
  RSA543905  Anagallis arvensis Steve Boyd, Orlando Mistretta 1991-5-22 6286 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA613146  Anagallis arvensis D. L. Banks 1997-3-29 1654 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
  SD134507  Ancistrocarphus filagineus Craig Reiser 1991-4-25 Riverside Just S of Harford County Park, S of Daleona Road Comment
Read comments
Mar 4 2013
  UC56664  Anemopsis californica H. M. Hall 1897-5-31 594 Riverside Southern California, Riverside Riverside; Southern California, Riverside Comment
  JOTR16558  Anisocoma acaulis Vanderspek & Nolte 1966-5-13 64541 Riverside Joshua Tree National Park. EUREKA PEAK 1682 Comment
  RSA416652  Anisocoma acaulis Gary D. Wallace 1964-4-26 s.n. Riverside Pinyon Flats. Comment
  CAS-BOT-BC79938  Antennaria microphylla H. M. Hall 1901-7-1 2401 Riverside Tamarack Valley 2834 Comment
  UCR280835  Anthemis cotula T. B. Salvato, Gregg Miller 2005-6-3 1371 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  RSA783369  Antirrhinum coulterianum J. D. Olmsted 1958-6-15 186 Riverside On north canyon wall of south fork San Jacinto River just below Hemet Lake 10 miles south of Mountain Center 1265 Comment
  UCR178849  Antirrhinum coulterianum T. B. Salvato, Tracy Tennant 1998-6-23 MOR- 445 A Riverside San Bernardino Mtns., Morongo Indian Reservation, polygon 13, N end of Hathaway Canyon 1280 Comment
  UCR278899  Antirrhinum majus Mitch Provance 2011-7-3 17191 Riverside Santa Ana River Valley, Rubidoux, west corner of Rubidoux Blvd. and 28th St. 259 Comment
  UC1929663  Antirrhinum nuttallianum Scott D. White, Michael Honer 2003-6-17 9546 Riverside S PERRIS BASIN: Murrieta. Interstate 215 / Clinton Keith interchange. Comment
  POM29606  Antirrhinum nuttallianum subsp. nuttallianum Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA496730  Antirrhinum nuttallianum subsp. nuttallianum B. Pitzer, A. C. Sanders 1987-4-21 496 Riverside Box Springs Mtns, near southernmost radio towers 793 Comment
  UC20819  Apiastrum angustifolium Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UCR174458  Apiastrum angustifolium A. C. Sanders 2006-5-19 32388 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
  UCR193890  Arabis glabra A. C. Sanders, Mitch Provance 2008-7-11 35821 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  CLARK-A1045-133  Arabis perennans George K. Helmkamp 1977-5-20 Riverside Deep Canyon mouth of Deep Canyon; Palm Desert 15'Q Comment
  RSA629129  Arctostaphylos Jon E. Keeley 1992-7-17 16782 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629157  Arctostaphylos Jon E. Keeley 1992-7-17 16790 Riverside Road to Thomas Mountain (5S15), 5.2 km north of Toolbox Spring. 1840 Comment
  RSA629430  Arctostaphylos glandulosa Jon E. Keeley 1992-6-16 16842 Riverside Hwy 243, 38 km N of Idyllwild. 1485 Comment
  UCR273483  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42617 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Squaw Mountain, Avenida Escala near Hacienda Dr. intersection, 2.35 air km east of Tenaja Guard Station 747 Comment
  UCR278163  Arctostaphylos glandulosa A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42676 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, along Tenaja Rd. at north foot of Redonda Mesa, 0.65 km west of intersection with Corona Calle Camino 680 Comment
  CAS-BOT-BC24914  Arctostaphylos glandulosa subsp. adamsii P. A. Munz; E. K. Balls 1952-8-21 17984 Riverside Road-Vandeventer Flat to Santa Rosa Peak. 2072 Comment
  RSA629404  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Jon E. Keeley, Robert Goar 1992-8-11 19523 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  CAS-BOT-BC24675  Arctostaphylos glauca L. R. Abrams 1912-7-11 4919 Riverside Near Sugarloaf Valley. Comment
  RSA631730  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19290 Riverside Highway 79, at Radec. 580 Comment
  RSA631836  Arctostaphylos glauca 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
  RSA633612  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21768 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633649  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20153 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633709  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16663 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA635599  Arctostaphylos peninsularis subsp. peninsularis Jon E. Keeley 1992-7-17 16755 Riverside Road to Thomas Mtn. (5S15), 1.8 km south of Toolbox Spring, west of Garner Valley, San Jacinto Mountains. 1785 Comment
  SD229129  Arctostaphylos pringlei subsp. drupacea Dick Schwenkmeyer 2012-4-17 696 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  UC219282  Arctostaphylos pringlei subsp. drupacea Munz and Johnston 1922-5-20 5490 Riverside head of Hemet Valley San Jacinto Mts. 1524 Comment
  UC876400  Arctostaphylos pringlei subsp. drupacea I. W. Clokey and E. G. Anderson 1935-8-21 6784 Riverside Fuller's Creek 1500 Comment
  UCR122531  Arctostaphylos pringlei subsp. drupacea George K. Helmkamp, E. A. Helmkamp 2001-5-20 6681 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  UC1951125  Arctostaphylos pungens Scott D. White, Justin Wood 2009-5-22 12893 Riverside SAN JACINTO MOUNTAINS: Quinn Flat Meadow. USGS Idyllwild 7.5' Quad. Comment
  SDSU17430  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 396 Riverside Santa Margarita Ecological Reserve, east of 'Highlands Trail' on mesa top near weather station. Among boulders, exposed, 0 slope. 639 Comment
  UCR132908  Arenaria macradenia John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  UCR35130  Arenaria macradenia subsp. ferrisiae L. B. Ziegler 1972-6-12 478 Riverside San Jacinto Mtns,, canyon above Kenworthy Ranger Station. 1402 Comment
  UCR103733  Argemone munita A. C. Sanders 1997-3-19 20028 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp 473 Comment
  UCR120913  Argemone munita A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24952 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  RSA0122711  Argyrochosma jonesii Duncan S. Bell, LeRoy Gross 2016-3-30 9149 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  CAS-BOT-BC137649  Aristida adscensionis Frank W. Peirson 1921-3-23 2374 Riverside Colorado Desert. Deep Canyon. 335 Comment
  CLARK-A1528-4463  Aristida adscensionis John C. Roos 1952-4-9 5508 Riverside Mount Rubidoux 365 Comment
  JOTR00870  Aristida adscensionis Sipe, Frank 1958-3-10 277 Riverside Joshua Tree National Park. PINTO BASIN Comment
  SEINET229273  Aristida californica var. californica L. M. Shultz, JS Shultz 1985-4-15 8245 Riverside Chuckawalla Valley depression along Wiley's Well Road 122 Comment
  UCSB45567  Aristida purpurea Roos, John 1966-4-29 Riverside Rocky hills between March Air Force Base and Lakeview Comment
  UCD56536  Aristida purpurea var. fendleriana F. M. Reed 1933-5-31 7921 Riverside soutthern California, Santa Rosa Indian Reservation, near bridge on Palms to Pines road. Comment
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May 1 2011
  JOTR38425  Aristida purpurea var. nealleyi Hodges, Stephen, A. Ingersoll 2015-8-26 653 Riverside Joshua Tree National Park. Queen Mountains, Wonderland of Rocks, Barker Dam. Comment
  UC194836  Aristida purpurea var. nealleyi S. B. Parish 1916-5-13 10850 Riverside Cottonwood Springs Colorado Desert Comment
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Oct 9 2010
  UCD56560  Aristida purpurea var. nealleyi A. A. Beetle 1942-4-22 3184 Riverside Desert Center, Rt. 60. Comment
  UCR196387  Aristida purpurea var. purpurea Naomi Fraga, Lisa Rojas 2005-2-10 1417 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  HSC8967  Aristida ternipes var. hamulosa C. L. Hitchcock, C. V. Muhlick 1964-3-17 23113 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  RSA605742  Artemisia californica Scott D. White 1996-2-18 3812 Riverside Parris Basin. double Butte, NW of Winchester. SE- facing slope of W butte and alluvial soil at base. USGS 7.5 Winchester topo. 457 Comment
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Nov 19 2010
  RSA588809  Artemisia douglasiana Darin L. Banks, Steve Boyd 1995-10-17 0762 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  POM19634  Artemisia tridentata Mary F. Spencer 1923-8-17 2208 Riverside Hemet Valley, San Jacinto Mountains 1220 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
  CLARK-A1656-632  Asclepias albicans Lois Ann Scott 1978-4-18 Riverside Mecca Hills 304 Comment
  POM12705  Asclepias californica P. A. Munz 1922-7-3 5963 Riverside S slopes of Santa Rosa Mts. 1676 Comment
  JOTR30288  Asclepias erosa La Doux, Tasha, Bill Truesdell 2006-10-3 1783 Riverside Joshua Tree National Park. Pinto Basin: (Stop 2) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 694 Comment
  RSA543155  Asclepias erosa Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6105 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA90117  Asclepias fascicularis E. K. Balls, P. C. Everett 1953-8-19 18538 Riverside Head of Palm Canyon, where stream crosses Hwy 74 on Palms to Pines Hwy. 1372 Comment
  UCR40435  Asclepias fascicularis Steve Boyd 1985-8-7 1102 Riverside Santa Ana Mtns., Santa Rosa Plateau, Santa Rosa Plateau, NW base of Redonda Mesa on Tenaja Road, 0.8 mi east of the junction w/ 8S01 & 8S02 671 Comment
  SEINET10637047  Asclepias fascicularis Harvey M. Hall Hall s.n. 1897 Riverside Kenworthy, San Jacinto Mountains 1372 Comment
  RSA524469  Asclepias subulata Steve Boyd, Tim Ross, L. Arnseth, J. Bonilla 1990-4-3 4072 Riverside Vail Lake area, upper benches and adjacent slopes of E flank of Big Oak Mountain, S of E summit. 610 Comment
  SEINET12320813  Asclepias subulata R. A. Schlising 1972-1 3015 Riverside Ramon Road Comment
  SD211450  Astragalus aridus Carolyn Martus, Joseph Betzler, Caesara Brungraber, Lance Woolley 2008-4-15 1214 Riverside 30 miles west of Blythe near Palen Dry Lake. From I-10 exit Corn Springs Road north for about 8 miles until you reach Palen Dry Lake. This population is on the south, southwest side of the dry lake. Comment
  UCR37708  Astragalus aridus A. C. Sanders, J. M. Stewart 1985-3-24 5408 A Riverside Western Colorado Desert, Coachella Valley, flats along Box Canyon Rd. (Hwy 195), 2.5 mi east of Mecca, 0.7 mi east of Grant Street -15 Comment
  RSA485841  Astragalus coccineus T. S. Elias 1988-1-26 10674 Riverside Joshua Tree National Monument; Cottonwood Spring region, along trail from Mastodon Peak to Lost Palms Oasis. Comment
  CAS-BOT-BC182633  Astragalus didymocarpus var. obispoensis Carl B. Wolf 1935-4-7 6301 Riverside Gavilan Hills Region. 1 mi. SW. of Perris 426 Comment
  CAS-BOT-BC182635  Astragalus didymocarpus var. obispoensis L. R. Abrams 1935-4-7 13664 Riverside Gavilan Hills, 2 mi. SW. of Perris Comment
  POM122306  Astragalus douglasii var. parishii Marcus E. Jones 1926-6-20 s.n Riverside Near Idyllwild Comment
  SD111601  Astragalus douglasii var. parishii Wayne P. Armstrong 1982-6-19 Riverside Idyllwild County Park 1675 Comment
  UC862990  Astragalus douglasii var. parishii Carl B. Wolf 1932-8-4 3923 Riverside on road to Banning 1 1/2 mi from Idyllwild (Strawberry Valley, San Jacinto Mts.); San Jacinto Mts., Strawberry Valley, 1 1/2 mi fr Idyllwild 1706 Comment
  UC68627  Astragalus insularis var. harwoodii H. M. Hall Apr., 1905 5945 Riverside McCoy Wash , McCoy Wash (Colorado Desert) 91 Comment
  RSA0003013  Astragalus insularis var. harwoodii P. A. Munz, R. D. Harwood 1920-4-2 3592 Riverside Blythe Jct. [now known as Rice in San Bernardino Co.] Comment
  OBI54333  Astragalus lentiginosus var. borreganus Theodore Minthorne none s.n. Riverside Between Banning and Palm Springs Comment
  RSA796327  Astragalus lentiginosus var. borreganus Duncan S. Bell 2009-4-18 212 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
  UCR166552  Astragalus lentiginosus var. borreganus Scott D. White, Jennifer H. Jones 2005-4-12 10870 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  RSA774902  Astragalus lentiginosus var. coachellae Duncan S. Bell, Amber Swanson 2011-2-18 2024 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  UCR169872  Astragalus lentiginosus var. coachellae Nathan Moorhatch, M. D. Wilcox 2004-3-2 s.n. Riverside Sonoran (Colorado) Desert, NW corner of Desert Dunes Golf Course, just outside fence along dirt road [between Dos Palmas Corners and Seven Palms Ranch] 238 Comment
  UCSB42213  Astragalus nuttallianus Roos, John 1958-3-15 Riverside 3 miles SE of Desert Center, in the Chuckwalla Mtns. Comment
  RSA415626  Astragalus nuttallianus var. imperfectus M. B. Dunkle 1935-3-31 4445 Riverside Cottonwood Springs. Colorado Desert. 701 Comment
  RSA631065  Astragalus nuttallianus var. imperfectus L. C. Wheeler 1953-3-31 7039 Riverside Near Mountaineer Mine. Comment
  UCR236899  Astragalus pachypus var. jaegeri Duncan S. Bell, Naomi Fraga 2010-4-22 854 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 1.6 air mi southeast of junction of Hwy 74 and FS Road 5S15 841 Comment
  UCR59498  Astragalus pachypus var. jaegeri Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3226 Riverside Peninsular Range, Vail Lake area, sandstone ridge between Kolb Creek and Temecula Creek, forming peninsula at SW end of Lake. Comment
  CAS-BOT-BC194164  Astragalus palmeri P. A. Munz; D. Keck 1922-4-13 4935 a Riverside Eagle Mts., Colorado Desert Comment
  SEINET2060246 Image available Astragalus palmeri P. J. Leary 1976-1-30 1443 Riverside East Wide Canyon, Joshua Tree National Monument 792 Comment
  CSUSB1295  Astragalus pomonensis I. S. Singh 1972-5-2 Riverside Highway 71, 5 miles south of Elsinore Comment
  RSA498264  Astragalus pomonensis B. C. Templeton 1931-4-23 19212 Riverside Between Perris and Gavilan Peak. Comment
  RSA23111  Astragalus sabulonum I. L. Wiggins 1938-3-19 8901 Riverside 25 miles W of Blythe. Comment
  JEPS54848  Astragalus tricarinatus Marjorie Clary July 1929 19 Riverside Whitewater Canyon 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
  UCR120209  Athysanus pusillus Mitch Provance 1998-3-7 153 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.5 km east of corner of Rorimer Dr. and Brenton St., on the E side of Armstrong Rd., in the Sunnyside area of Riverside. 366 Comment
  CAS-BOT-BC98820  Atrichoseris platyphylla R. Bacigalupi 1928-2-1 s.n. Riverside Colorado Desert - Painted Canyon Comment
  CAS-BOT-BC167199  Atriplex argentea A. C. Sanders 2004-8-10 28771 Riverside Perris-Aguanga Region: 3 miles ENE of Perris, new nursery growing grounds W of Menifee Rd. (=Pozos Av.) & S of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  SBBG1755  Atriplex canescens H. and M. Dearing 1936-12-25 151 Riverside Thousand Palms Comment
  SEINET3930581  Atriplex canescens Grant D. Brown 1950-12-2 589 Riverside About 1 mile up Mockingbird Canyon in Riverside City limits.; 0 305 Comment
  JOTR34047  Atriplex canescens subsp. canescens La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2947 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; above trail to Lost Horse Mine on basalt outcrop with scree slopes Comment
  RSA601788  Atriplex coronata var. notatior D. E. Bramlet 1997-3-13 2498 Riverside Nichols Road Wetlands. This site is located aproximatly 183 m. southeast of Nichols Road, 91m west of Collier Ave. and 196m west of I-15., The locality is east of the existing dirt road extending south from Nicholas Rd. and adjacent to Alberhll Creek. 381 Comment
  SD138898  Atriplex coronata var. notatior Craig Reiser 1994-4-1 Riverside Hemet, east of Warren and Florida Streets Comment
  UCR62078  Atriplex coronata var. notatior George Ruffner 1990-5-2 s.n. Riverside San Jacinto Wildlife Area, E of Davis road, vicinity of duck ponds on W edge of playa of Lake San Jacinto c. 1 mi east of the wildlife area headquarters. Comment
  UCR70526  Atriplex coronata var. notatior D. E. Bramlet 1991-6-19 2196 Riverside Perris-Aguanga Basin region, San Jacinto River area, c. 1.8 km south of intersection of Pozos Ave. & Ramona Expressway; c. 500 m west of the river & 2 m east of Pozos Ave. 473 Comment
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Dec 9 2014
  UCR92692  Atriplex coronata var. notatior A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18059 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  CAS-BOT-BC523903  Atriplex glauca D. E. Bramlet 2005-5-5 3847 Riverside Perris-Aguanga Basin Region: San Jacinto Valley, canal right-of-way north of Devonshire Ave. 457 Comment
  SBBG128830  Atriplex glauca R. E. Riefner Jr. 2002-12-12 02 -521 Riverside Temescal Cyn Mouth, city of Corona, along Magnolia Ave, off-ramp on SW side of Hwy 15 216 Comment
  CAS-BOT-BC170253  Atriplex hymenelytra Ira L. Wiggins 1941-3-24 9590 Riverside On silty slopes 1/2 mile from beach on east side of Salton Sea, 1 mile north of Imperial County line. Comment
  CAS-BOT-BC170255  Atriplex hymenelytra W. F. Anderson 1925-12-1 s.n. Riverside Indio Comment
  POM48332  Atriplex hymenelytra E. C. Jaeger 1925-2-8 s.n. Riverside Painted Canyon near Mecca. Comment
  RSA0031555  Atriplex hymenelytra Duncan S. Bell 2013-1-30 4445 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills peak 1642. 138 Comment
  UCR196353  Atriplex hymenelytra Naomi Fraga, Lisa Rojas 2005-2-10 1379 B Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  JEPS90698  Atriplex pacifica D. Bramlet 1991-6-20 2200 Riverside approx 8 m e of Davis Road (and some 150 m n of the San Jacinto River levee, Old Riverbed area beside existing channelized area of San Jacinto River); San Jacinto Wildlife Area 475 Comment
  RSA450605  Atriplex polycarpa Theo Glenn 1984-10-2 s.n. Riverside Thousand Palms oasis, in the Indio Hills, Coachella Valley. 168 Comment
  POM248433  Atriplex semibaccata Philip Crow 1939-7-9 s.n. Riverside Blythe. Comment
  RSA33312  Atriplex serenana N. C. Cooper 1943-10-9 957 Riverside Hemet. 304 Comment
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Apr 29 2011
  UCD97796  Atriplex serenana K. Esau 1935-6-15 s.n. Riverside Riverside. Comment
  SD162763  Atriplex serenana var. serenana Mitch Provance 2000-9-28 2266 Riverside Riveside: N side of Latham St. ca. 1/8 mile W of intersection with Keats Drive 245 Comment
  UC55965  Atriplex serenana var. serenana H. M. Hall April, 1902 Riverside vicinity Winchester; vicinity of Winchester 457 Comment
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Mar 20 2011
  RSA660916  Atriplex suberecta Mitch Provance 1998-5-4 1714 Riverside Belltown area, 'gravel pits' just S of 26th St. and Hall Ave. 250 Comment
  CLARK-A1528-4494  Avena barbata John C. Roos, Lucille Roos 1950-4-15 4738 Riverside Box Springs Mountains 457 Comment
  CLARK-A1528-40  Avena fatua John C. Roos 1951-9-25 Riverside Riverside 259 Comment
  UCR82243  Avena fatua J. M. Stewart 1994-5-2 863 Riverside Western Colorado Desert, Coachella Valley, Thermal, Tyler St. and Avenue 66 Comment
  SEINET7048193  Avena fatua Steven R. Hill, Andrew C. Sanders 2001-5-4 33702 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  JOTR31822  Ayenia compacta La Doux, Tasha, Bill Truesdell 2007-11-9 2527 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; small side canyon to east of larger wash running parallel to and east of Lost Palms Canyon (Stop 6) 655 Comment
  RSA557315  Azolla filiculoides Julie Greene, S. D. Boyd, Dave Bramlet, Hilda Flores, Helga Ochoterana 1993-7-9 1418 Riverside San Jacinto Wildlife Area: from the edge of drying flood area. 433 Comment
  UC218677  Azolla filiculoides P. A. Munz 1922-4-29 5109 Riverside Lancaster Valley, S of Hemet 457 Comment
  RSA664941  Baccharis brachyphylla J. C. Roos 1963-10-19 s.n. Riverside San Bernardino Mtns. Whitewater Wash near Painted Hill. 581 Comment
  UCR281865  Baccharis brachyphylla A. C. Sanders, Jim Malusa 2017-9-19 43333 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, canyon 3.75 km SW (209 deg. ) of Tabaseca Tank 711 Comment
  RSA561510  Baccharis emoryi Steve Boyd 1992-9-9 7663 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  RSA612507  Baccharis salicifolia Darin L. Banks 1997-2-17 1277 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, along Pechanga Road in the Reservation, approximately 10 m west of the Pechanga Tribal Government Center. 367 Comment
  SEINET899225  Baccharis salicifolia H. K. Wagnon 1944-1 313 Riverside About 100 yds. S. of Trading Post, Palm Canon Comment
  UCR34877  Baccharis salicifolia L. B. Ziegler 1967-9-18 248 Riverside San Jacinto Mtns, Bautista Canyon 673 Comment
  SEINET10616771  Baccharis salicifolia Frederick M. Reed 1934-1-6 Reed 8686 Riverside Shrub growing on waste ground. 244 Comment
  SEINET10616772  Baccharis salicifolia David B. Dunn 1948-1-25 Dunn 3646 Riverside Found in ravine northeast of the top of the grade east of Riverside about 5 miles out. Comment
  JEPS21253  Baccharis salicifolia subsp. salicifolia Marjorie D. Clary 1934-3-3 Riverside 18 mi w of Indio; Carrizo Canon 304 Comment
  UC472157  Baccharis salicina J. Ewan 1931-10-3 5216 Riverside 4 mi nw of Corona; Santa Ana River Comment
  RSA0031548  Baccharis sarothroides Duncan S. Bell 2013-1-30 4438 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
  RSA777277  Baccharis sergiloides Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4552 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC893735  Baccharis sergiloides Carl B. Wolf 1932-10-13 4310 Riverside Cottonwood Springs Colorado Desert, Eagle Mts. 289 Comment
  RSA252707  Bacopa monnieri J. T. Gordon 1974-11-16 775 Riverside forming small mounds in damp soil along Colorado River at Agnes Wilson Rd. 104 Comment
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Jun 12 2020
  SD224826  Bahia absinthifolia Daryl Koutnik 1996-7-19 Riverside Riverside: Univ. of CA, Riverside, UCR Botanical Garden. 853 Comment
  SBBG50933  Bahiopsis parishii N. R. Zabriskie, W. Zabriskie 1973-4-3 605 Riverside Poorwill Cyn, Andreas Cyn area, Palm Cyn drainage 426 Comment
  CAS-BOT-BC99947  Baileya pauciradiata Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13232 Riverside 2.4 mi. S of Rice, on road to Midland and Blythe Comment
  CDA10405  Baileya pauciradiata G. D. Barbe, T. C. Fuller 1973-3-1 1068 Riverside I-10 exit at road to Wiley s Well, west of Blythe. 0 Comment
  JEPS30498  Baileya pauciradiata Donald Kyhos 1958-2-16 58 -18 Riverside 3 mi s of Rice Comment
  POM350686  Baileya pleniradiata M. B. Dunkle 1935-3-17 4398 Riverside Desert Center. 610 Comment
  CAS-BOT-BC172814  Bebbia juncea A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt 2010-5-17 38384 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
  UCR78047  Bebbia juncea Scott D. White 1993-4-22 1225 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  CAS-BOT-BC100123  Bebbia juncea var. aspera M. McCollum 1976-6-10 2009 Riverside 8 mi SSW of Yucca Valley 914 Comment
  CAS-BOT-BC100125  Bebbia juncea var. aspera Geo. B. Grant 1906-4-20 6730 Riverside Palm Springs Comment
  JOTR31821  Bebbia juncea var. aspera La Doux, Tasha, Bill Truesdell 2007-11-9 2524 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; small side canyon to east of larger wash running parallel to and east of Lost Palms Canyon (Stop 6) 655 Comment
  LA211976  Bebbia juncea var. aspera Deidre Conocchioli; Duncan Bell 2014-3-11 153 Riverside Devil Canyon in the Santa Rosa Wilderness area. West of Coachella Valley, 3 miles south of Lake Cahuilla. 110.0 Comment
  RSA0121246  Bebbia juncea var. aspera Sherwin Carlquist 1958-10-12 627 Riverside Eagle Mt., pumping station. Comment
  UC163734  Bebbia juncea var. aspera H. M. Hall 1901-6-1 2010 Riverside Canyon of the San Jacinto River, San Jacinto Mountains San Jacinto Mountains, Canyon of the San Jacinto River 762 Comment
  UCR77573  Bergia texana Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6347 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  RSA336055  Bernardia incana R. F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52064 Riverside Palms to Pines Highway: Along highway, Santa Rosa Mountains. Comment
  SEINET3347392 Image available Bernardia myricifolia Andrew C. Sanders, Chika Mori 2011-6-14 39662 Riverside Peninsular Range; Santa Rosa Mtns.; Hwy 74 near 'Agave Hill', 0.3 km SW (249 deg. ) of VABM 'Lucky', 1.6 km NE (37 deg. ) of Black Hill, ridge west of Deep Canyon and east of Carrizo Creek, above switch backs 801 Comment
  UC488972  Boechera arcuata C. V. Meyer Jun 1927 169 Riverside San Jacinto Mts. 1524 Comment
  CAS-BOT-BC13902  Boechera johnstonii Philip Alexander Munz 1937-5-31 15123 Riverside Kenworthy, south part of San Jacinto Mountains. 1371 Comment
  UC56911  Boechera perennans H. M. Hall 1901-5-24 1897 Riverside e base San Jacinto Mts. (Vandeventer's, along borders of the Colorado Desert,); , Colorado Desert 1371 Comment
  RSA0123112  Boerhavia coccinea Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9019 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
  UCR163052  Boerhavia coulteri B. G. Pitzer, G. R. Ballmer 2000-10-14 4217 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
  CAS-BOT-BC434529  Boerhavia intermedia Edmund C. Jaeger 1931-10-25 s.n. Riverside 2 miles north of Lost Horse Mine, crossroads of Lost Horse-Stubby Springs road, Little San Bernardino Mountains Comment
  CLARK-A1656-843  Boerhavia torreyana Jon Mark Stewart 1983-10-31 83-49 Riverside Palm Desert 1200 Comment
  GMDRC3103  Boerhavia triquetra J. Andre, T. La Doux 2008-9-13 10264 Riverside Chuckwalla Valley: along Hwy 177 (northwest side), southeast end of Coxcomb Mountains 33 deg. 48.724' N 115 deg. 16.87' W. Elev. 527 ft. 161 Comment
  RSA0117484  Bolboschoenus maritimus subsp. paludosus Mitch Provance 2012-11-3 1112 -05 Riverside San Timoteo Canyon: West Beaumont, N side of Oak Valley Parkway (San Timoteo Canyon Rd.), 1.5 miles W of 1-10. 709 Comment
  JOTR33680  Bothriochloa barbinodis La Doux, Tasha, Mike Bell 2003-10-17 1592 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash, active wash corridor with sandy bottom, surrounded by granitic outcrops and pediments 1310 Comment
  UCD56842  Bouteloua barbata Leslie L. Ede 1972-7-18 s.n. Riverside Blythe? Comment
  UCR227593  Bouteloua barbata Duncan S. Bell, Joy England 2010-10-5 1976 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.75 air miles southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1387 Comment
  RSA736265  Bouteloua curtipendula Jim Andre, Tasha La Doux 2007-9-6 8705 Riverside Little San Bernardino Mountains: on dirt road to Lost Horse Ranger Sta, below Hemmingway Buttress, Joshua Tree Natl. Park. 1237 Comment
  CAS-BOT-BC145639  Bouteloua curtipendula var. caespitosa John C. Roos 1946-8-27 2786 Riverside Near Pinon Flats, Santa Rosa Mountains. 1371 Comment
  RSA699818  Bowlesia incana Scott D. White, Michael Honer 2003-4-4 8947 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  POM9226  Bowlesia incana I. M. Johnston 1920-5-8 2263 Riverside Box Springs Grade Comment
  HSC25953  Brandegea bigelovii R. W. Spjut 1972-1-6 2109 Riverside Colorado Desert, 8 mi. N on Eagle Mtn. Rd. from Jct. of Hwy. 10 305 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
  UCR166551  Brandegea bigelovii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10893 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR269836  Brandegea bigelovii A. C. Sanders, Jim Malusa 2016-3-18 42378 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  RSA0123356  Brassica tournefortii Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9048 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
  RSA772327  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4507 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC1929782  Brassica tournefortii Scott D. White 2003-3-23 8844 Riverside SANTA ROSA MOUNTAINS: Desert slope; Hwy 74 near Carrizo Creek crossing. Comment
  UCR146688  Brassica tournefortii Scott D. White, Michael Honer 2004-3-11 9900 Riverside Peninsular Ranges; Santa Ana Mountains region, Corona area; c. 0.5 air mi east of I-15 and 1 air mi N of Eln Cerrito Rd. 320 Comment
  RSA79181  Brickellia arguta Philip A. Munz 1952-5-2 16234 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  UCR94934  Brickellia californica Scott D. White 1996-9-22 4527 Riverside Perris Basin, Lakeview Mtns: north of Homeland, along Juniper Flats Road, c. 1.2 road miles north of intersection with State Hwy 74, unnamed drainage channel parallel to the road 500 Comment
  RSA69831  Brickellia desertorum J. C. Roos 1951-10-19 5328 Riverside Gilman Hot Springs 459 Comment
  RSA89870  Brickellia desertorum J. C. Roos 1950-9-30 4996 Riverside Box Springs Grade 0.5 mile SE of Citrus Experiment Station Riverside. 396 Comment
  RSA339235  Brickellia incana R. F. Thorne 1979-8-23 53618 Riverside Cottonwood Springs Area Comment
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Oct 9 2010
  RSA172750  Brodiaea filifolia Lee W. Lenz 1965-5-26 s.n. Riverside Vail Ranch west of Murietta. Comment
  RSA729801  Brodiaea filifolia Robert F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 52007 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  RSA736003  Brodiaea filifolia Scott D. White, Justin M. Wood 2008-6-26 12291 Riverside I-215 just N of San Jacinto River crossing. 431 Comment
  UC3324  Brodiaea terrestris subsp. kernensis Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  UCR280724  Brodiaea terrestris subsp. kernensis Mitch Provance, John Hazlett 2017-4-27 417- 24 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. 384 Comment
  RSA604754  Bromus berteroanus A. C. Sanders 1995-4-13 16509 Riverside San Bernardino Mountains/ Colorado Desert: Devil's Garden, E end of mountains, 2.1 miles W of Highway 62 on Pierson Ave. & dirt extension, 1.7 mile above Sierra Blv., (33 deg 58'N, 116 deg 37.5'W) 701 Comment
  RSA781243  Bromus berteroanus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37668 Riverside Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, N of Temescal Canyon Rd. and NW of Concordia Ranch Rd., NW of horse racing track 375 Comment
  UCR44200  Bromus carinatus A. C. Sanders 1986-6-1 6539 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  HSC65796  Bromus hordeaceus E. W. Lathrop 1959-5-17 4536 Riverside 14 mi. W of Murrieta Comment
  UCR120897  Bromus hordeaceus A. C. Sanders, D. Malueg 2002-4-8 24908 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  POM147497  Bromus hordeaceus F. M. Reed 1928-4-18 5860 -B Riverside Vail Ranch west of Aguanga. Comment
  RSA500985  Bromus hordeaceus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3104 Riverside Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 miles WSW of dam. 610 Comment
  UCSB9692  Bromus madritensis subsp. rubens Van Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon, 3 mi from US 60 Comment
  POM7101  Bromus rubens P. A. Munz, L. T. Street, G. Williams 1919-3-28 2365 Riverside Cabazon. Comment
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Mar 13 2011
  UCR114138  Bromus rubens B. G. Pitzer, J. Ross 1998-3-8 3595 Riverside Sonoran (Colorado) Desert, Hayfield Lake, on the lakebed, SE of pumping station, near center of lake 396 Comment
  UCR171953  Bromus rubens John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  CAS-BOT-BC185647  Bromus tectorum Scott D. White 1996-4-14 3911 Riverside East of Hemet. San Jacinto River Wash near Valle Vista, north of Highway 74, ca. 1.7 mile west of USFS Cranston Fire Station. 548 Comment
  CDA37834  Bromus tectorum Unknown Collector 2012-5-1 PDR# 1590361 Riverside Anza; Peony Gardens Nursery, 59880 Anzanita Lane near Burnt Valley Road. 0 Comment
  RSA716385  Bromus tectorum Scott D. White, Angelia Carey 2004-4-5 9995 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR214014  Bromus trinii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37794 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  UCR85320  Bromus trinii A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16168 Riverside Coachella Valley/San Jacinto Mtns foothills, Coachella Valley: N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 mi above Hwy 111 (Palm Canyon Dr.) 612 Comment
  RSA550273  Caesalpinia virgata Walter Wisura, John Dolan, Michael Wall 1992-3-24 4623 Riverside Lowdesert: 6.2 miles NE of Mecca on Box Canyon Road. Comment
  RSA605774  Caesalpinia virgata A. C. Sanders 1995-5-23 17113 Riverside Coachella Valley: alluvial fans below the Santa Rosa Mtns., N. of Toro Canyon, W of Monroe St., South of Ave 62. 15 Comment
  SEINET4009128  Caesalpinia virgata G. T. Manthey 1977-1 1610 Riverside About 10 miles wast of Mecca, on road going to Joshua Tree National Forest. Comment
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Jul 19 2015
  UC665830  Caesalpinia virgata Ira L. Wiggins 1941-3-27 9690 Riverside 8.2 mi. w. Shaver's Summit Comment
  UC69317  Calandrinia ambigua L. A. Greata Apr. 1905 Riverside Coachella Comment
  UCR214896  Calandrinia ambigua A. C. Sanders 2010-3-23 37532 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  CAS-BOT-BC438493  Calandrinia ciliata John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just S of Los Alamos Rd. (Clinton Keith Rd.), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley. Comment
  CAS-BOT-BC438495  Calandrinia ciliata E. W. Lathrop 1959-4-1 4393 Riverside 18 miles S.W. of Elsinore. Tenaja Canyon. Comment
  POM307775  Calandrinia ciliata Henry J. Ramsey, Henry J. Ramsey 1938-3-26 2556 Riverside Corona-Elsinore Road. Comment
  RSA271846  Calandrinia ciliata C. W. Tilforth 1978-4-30 1580 Riverside Low, rounded hills east of Norco. Comment
  RSA487459  Calandrinia ciliata Bill Wagner 1988-3-9 s.n. Riverside Intersection of Thompson, Leon, and Winchester Roads, W of Lake Skinner and NE of Murietta. 415 Comment
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Mar 20 2011
  UCD123504  Callitriche heterophylla var. bolanderi Robert F. Thorne; P. Munz, E. Lathrop 1968-5-8 37594 Riverside Santa Rosa Plateau; Rancho, California. 670 Comment
  RSA198958  Callitriche marginata R. F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37562 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 671 Comment
  POM48361  Calocedrus decurrens Philip A. Munz, I. M. Johnston 1924-7-28 8799 Riverside Pine Flats 1738 Comment
  RSA762187  Calocedrus decurrens Peter Guiden, C. Martinez, N. Fraga, L. McDade 2010-8-14 68 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CSUSB2255  Calochortus catalinae Annette Price 1962-4-22 034 Riverside Lake Matthews Lake Matthews area (map drawn on herbarium sheet label). 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
  CAS-BOT-BC483414  Calochortus invenustus Carl B. Wolf 1932-8-5 3966 Riverside On trail from Tahquitz Valley to San Jacinto Peak, fork of Tahquitz Creek, San Jacinto Mts. 2743 Comment
  RSA297994  Calochortus palmeri var. munzii H. M. Beard, R. S. Beard 1967-7-1 s.n. Riverside Vacant lot, Idyllwild, Alderwood and Pine Crest Roads. 1646 Comment
  RSA524587  Calochortus splendens Steve Boyd, Timothy S. Ross, Laurel Arnseth, J. Bonilla 1990-4-3 4136 Riverside Vail Lake area, SW base of 'Big' Oak Mountain, mouth of Temecula Creek Canyon. 366 Comment
  UCR48348  Calochortus splendens Steve Boyd 1986-4-22 1761 Riverside Temescal Canyon, W side of Indian Wash, south of I-15 Comment
  RSA407729  Calycadenia tenella Steve Boyd 1986-5-1 1794 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  UCR214706  Calycoseris wrightii A. C. Sanders 2010-3-23 37541 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  JOTR31056  Calyptridium monandrum La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2039 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  UCR238086  Calyptridium monandrum Mark A. Elvin, Julie M. Vanderwier 2002-5-16 2054 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  UCR244379  Calyptridium monandrum Jim Andre 2012-4-16 20948 Riverside Joshua Tree National Park;, along Geotour Road, at SW end of one-way loop in Pleasant Valley at foot drainage below Pinyon Well, c. 7.5 mi. south of paved National Park Loop Rd. 1095 Comment
  RSA726762  Calystegia macrostegia Scott D. White 1991-5-10 91 -131 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  UCR47211  Calystegia macrostegia B. G. Pitzer 1987-3-2 0431 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  UCR121325  Calystegia macrostegia subsp. arida A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 24994 Riverside Peninsular Range; San Jacinto Mtns. Region, The Badlands; summit of Mt. Eden, SW of Beaumont 717 Comment
  HSC6379  Calystegia macrostegia subsp. tenuifolia C. L. Hitchcock, C. V. Muhlick 1964-3-17 23108 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  CAS-BOT-BC199280  Calystegia sepium subsp. limnophila S. B. Parish 1903-10-15 5334 Riverside Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  CAS-BOT-BC199281  Calystegia sepium subsp. limnophila S. B. Parish 1903-10-15 5334 Riverside Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  RSA186653  Camissonia bistorta Peter H. Raven 1959-4-23 14023 Riverside 5.1 miles west of Dripping Springs. Comment
  RSA465921  Camissonia bistorta Ora M. Clark 1929-3-2 1604 Riverside Near Alberhill. Comment
  RSA465922  Camissonia bistorta D. A. Young 1968-3-28 P 331 Riverside At end of Hayfield Road, South of Interstate 10. Creosote scrub. 305 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
  UCR156093  Camissonia bistorta T. B. Salvato, Kent Beaman 2005-5-16 802 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
  RSA466015  Camissonia brevipes subsp. brevipes Robert Gustafson 1980-4-3 1517 Riverside Orocopia Mountains, about 15 miles E of Mecca on Box Canyon road, thence about 2 miles S along dirt road 579 Comment
  RSA466173  Camissonia californica M. B. Dunkle 1933-4-5 3374 Riverside Colorado Desert, Jack Rabbit Trail Comment
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Mar 21 2011
  UCR133381  Camissonia californica Mitch Provance, J. S. Ross 1998-3-27 MOR- 1003 Riverside San Bernardino Mtns., Morongo Indian Reservation, road to Lion Cyn., c. 2.1 miles NE of Cabazon 549 Comment
  UCR964  Camissonia campestris S. C. Anderson 1957-5-18 s.n. Riverside San Jacinto River, 1 mi north of junction of State Hwy 74 [presumably in vicinity of Valle Vista] Comment
  CLARK-A1528-3322  Camissonia cardiophylla John C. Roos 1946-12-7 3181 Riverside Pushawalla Wash Comment
  POM299268  Camissonia cardiophylla A. M. Alexander, Louise Kellogg 1941-5-26 2238 Riverside Colorado Desert: Monsen [Munsen] Canyon, Eagle Mountains. 976 Comment
  UCR75047  Camissonia chamaenerioides A. C. Sanders, E. J. Lawlor 1992-4-4 12100 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA781902  Camissonia claviformis Duncan S. Bell 2010-5-1 888 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
  UCR118642  Camissonia claviformis George K. Helmkamp 1998-4-3 3081 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
  UCR166848  Camissonia claviformis Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  RSA792748  Camissonia confusa Robert F. Thorne 1995-3-29 63034 Riverside White Water Canyon. 600 Comment
  SDSU3349  Camissonia confusa H. Wedberg 1958-3-30 187 Riverside At Upper San Juan Campground, on Hwy 74. Comment
  UC20483  Camissonia confusa H. M. Hall July, 1901 Riverside Fuller's Mill Mountains San Jacinto Mountains 1584 Comment
  POM13793  Camissonia hirtella P. A. Munz 1922-4-28 5086 Riverside West of Lake Elsinore, base of mountain-slope. 488 Comment
  UCR93034  Camissonia hirtella Steve Boyd 1986-4-22 1759 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  UCR214335  Camissonia ignota A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38374 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
  UCR258752  Camissonia ignota T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7912 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 0.6 mi north of Hwy 15 and Temescal Canyon 476 Comment
  UCR121666  Camissonia micrantha A. C. Sanders, T. B. Salvato 2000-5-8 23383 Riverside San Bernardino Valley region, Riverside, UCR Botanical Garden, E side of the campus 396 Comment
  SEINET10492078  Camissonia micrantha Timothy Reeves 1978-5-13 Reeves 6881 Riverside San jacinto mts. 5 Mi s of banning on hwy 243. Sec 22, r1e, t3s. Chaparral. Ferns among rocks or in crevices. 1097 Comment
  JOTR38649  Camissonia refracta La Doux, Tasha 2004-2-24 1113 Riverside Joshua Tree National Park. Cottonwood Canyon 932 Comment
  RSA0024820  Camissonia refracta Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4466 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  RSA186535  Camissonia refracta Peter H. Raven 1958-2-15 115777 Riverside In a sandy wash, Corn Springs, Chuckwalla Mountains. Comment
  RSA614409  Camissonia strigulosa D. L. Banks 1997-3-16 1542 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  UCSB42115  Camissoniopsis bistorta Roos, John 1966-4-5 Riverside Winchester Comment
  SD133055  Camissoniopsis hirtella Scott White 1991-5-13 91 93 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Sprins. 548 Comment
  JEPS31743  Camissoniopsis pallida subsp. pallida S. B. Parish 1920-3-25 20022 Riverside flats at Palm Springs village Colorado Desert Comment
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Jul 13 2010
  UC398682  Camissoniopsis pallida subsp. pallida L. R. Abrams 1926-3-27 Riverside near the type station Cabazon Comment
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Mar 13 2011
  UCSB13030  Camissoniopsis pallida subsp. pallida Dearing, Hugh; Dearing, Margaret 1942-1 Riverside Colorado Desert near Cathedral City, east of Palm Springs Comment
  CSUSB542  Capsella bursa-pastoris Leland R. Dykes 1962-3-25 6 Riverside 4831 Robidoux Ave. Riverside Comment
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Feb 24 2013
  CAS-BOT-BC281703  Carduus pycnocephalus T. C. Fuller 1962-6-6 8847 Riverside On road cut, National Orange Co. prop., E extension of Palmrita Ave., 2.5 miles E of Iowa Ave, Highgrove Comment
  UCR68861  Carex barbarae Steve Boyd, T. S. Ross 1990-5-11 4663 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  UCR95594  Carex barbarae D. L. Banks, Lauren Raz 1996-8-29 1142 Riverside Agua Tibia Mountains, NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. Along Arroyo Seco, north of Wildhorse Peak, before the drainage bends to the south. 549 Comment
  RSA752878  Carex jonesii Orlando Mistretta 2009-7-10 4000 Riverside Santa Ana River Canyon. Vicinity of Camp Round Meadow; 0.40 miles SE of junction of highway 38 and Jenks Lake Rd. 2027 Comment
  UC961  Carex nebrascensis H. M. Hall July, 1901 2338 Riverside vicinity Deer Springs; San Jacinto Mts. 2743 Comment
  RSA764697  Carex praegracilis Scott D. White, Justin M. Wood 2008-6-24 12284 Riverside San Timoteo Canyon. Meadow along San Timoteo Creek. 640 Comment
  UC1951106  Carex praegracilis Scott D. White, Justin Wood 2009-5-22 12901 Riverside SAN JACINTO MOUNTAINS: Quinn Flat Meadow. USGS Idyllwild 7.5' Quad. Comment
  SEINET11238795 Image available Carex senta P. Zika, Otting, N 2010-1 25248 Riverside Vicinity of Willow Creek, San Jacinto Wilderness Area, San Jacinto Mountains (SnJt) Peninsula Ranges Comment
  UC1792818  Carya illinoinensis A. C. Sanders, T. B. Salvato 2003-5-6 26558 Riverside San Bernardino Valley Region: Riverside, west edge of the UCR campus, lower drainage of Big Springs Canyon, near intersections of Canyon Crest Dr. and University Ave 320 Comment
  CAS-BOT-BC353427  Castela emoryi B. D. Stark 1929-4-1 1268 Riverside Chuckawalla, Colorado Desert Comment
  SDSU14070  Castilleja affinis subsp. affinis Bismarck Magtoto 2002-4-20 9 Riverside Found along entrance of Loop Trail of Santa Margarita Ecological Reserve. 335 Comment
  UC64216  Castilleja affinis subsp. affinis H. M. Hall 1897-4-3 422 Riverside vicinity Winchester Comment
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Mar 20 2011
  UCR26491  Castilleja affinis subsp. affinis A. C. Sanders, S. Hagopian 1981-5-20 2137 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  UCR104192  Castilleja applegatei subsp. martini Scott D. White 1997-5-18 5182 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  JEPS10326  Castilleja exserta subsp. exserta W. L. Jepson 1935-4-17 19146 Riverside 1.5 mi n Elsinore 457 Comment
  CLARK-A1528-4177  Castilleja foliolosa John C. Roos 1940-5-4 880 Riverside San Timoteo Canyon Comment
  RSA552740  Castilleja foliolosa Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-25 6672 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 and 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  RSA612477  Castilleja foliolosa D. L. Banks 1997-2-23 1340 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The area along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside / San Diego County line border. 402 Comment
  UCSB6030  Castilleja foliolosa Gill, Robert 1960-3-23 Riverside Snow Cyn; near end of road; San Jacinto Mt. Range Comment
  RSA706  Castilleja linariifolia J. T. Howell 1927-8-1 526 Riverside Mission Creek, Colorado Desert. 610 Comment
  RSA448782  Castilleja minor subsp. spiralis N. C. Cooper 1944-5-6 2649 Riverside Whitewater Canyon. 457 Comment
  UCR106733  Castilleja minor subsp. spiralis John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR101840  Caucalis microcarpa B. G. Pitzer 1997-4-1 3057 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  RSA543775  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6022 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
  UC1584127  Caulanthus heterophyllus Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3846 Riverside cinder cone ridge at n side of mouth of Temecula Creek Canyon and adjacent benches on s flank Big Oak Mountain; Vail Lake Area, n side Mouth Temecula Creek Canyon 396 Comment
  UCR37466  Caulanthus heterophyllus Steve Boyd 1981-4-8 s.n. Riverside Peninsular Range, Dawson Canyon, Gavilan Hills Comment
  UCR5980  Caulanthus heterophyllus David M. Peterson 1966-2-24 660224- 7 Riverside 50 feet NE of the SE corner of the botanical garden fence, Univ. of Calif. Riverside 457 Comment
  SBBG101642  Caulanthus lasiophyllus S. Boyd with T. Ross 1990-5-11 4621 Riverside Vail Lake, base of Agua Tibia Mtn, E of Dripping Springs Cmpgrd, S of Hwy 79; area burned previous fall Comment
  SBBG101793  Caulanthus lasiophyllus S. Boyd with T. Ross, M. Hammitt 1991-5-2 6122 Riverside Vail Lake region, summit of Oak Mtn, N of lake near Henderson Benchmark Comment
  SBBG87473  Caulanthus lasiophyllus A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6099 Riverside Corn Spring, Chuckwalla Mtns; T6S R16E S28 487 Comment
  UCD114582  Caulanthus lasiophyllus D. E. Bramlet 1991-5-10 2140 Riverside Perris-Aquanga Basin region: North Domenigoni Hills, 4300-4500 ft. SE from end of Warren Road, W side of large peak in Sec. 31, just above saddle. 579 Comment
  RSA527667  Caulanthus lasiophyllus var. rigidus Steve Boyd, D. Bramlet 1990-4-29 4488 a Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  CHSC36013  Caulanthus simulans James Henrickson 1973-3-18 8611 Riverside Ca 33 (air) miles E of Temecula, 5-7 miles SE of Terwilliger, at N end of Coyote Canyon Road, on the first steep grade down to canyon. 792 Comment
  RSA569987  Ceanothus crassifolius Steve Boyd, Kyle Boyd 1993-3-28 7921 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  RSA575070  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -R Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  SBBG54813  Ceanothus crassifolius var. crassifolius D. Keil, M. McLeod 1979-3-18 12915 Riverside ca. 6 mi E of Interstate 15, along St Hwy 79, in Pauba Valley area Comment
  RSA0034414  Ceanothus cuneatus I. W. Clokey, E. N. Anderson 1935-4-16 6734 Riverside East of Hemet. 630 Comment
  RSA276719  Ceanothus greggii var. perplexans John F. Emmel 1978-9-25 620 Riverside Santa Rosa Mountains; slope above Mountain Home Spring 1982 Comment
  UC489159  Ceanothus integerrimus C. V. Meyer June 1927 178 Riverside San Jacinto Mountains 1828 Comment
  CAS-BOT-BC51283  Ceanothus leucodermis Carl B. Wolf 1932-5-24 3656 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1 mi. above Fish Hatchery 792 Comment
  POM305369  Ceanothus leucodermis Henry J. Ramsey 1938-3-26 649 Riverside Temecula. Comment
  RSA221012  Ceanothus oliganthus E. W. Lathrop 1966-4-28 6221 Riverside 4 mi. west of Corona between Tin mine Canyon and Santiago Peak, Skyline Drive. Comment
  UCR68477  Ceanothus ophiochilus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2960 Riverside Peninsular Range, Vail Lake area, 1 mi. west of lake 640 Comment
  UCR3421  Ceanothus perplexans Heidi A. Haid 1964-5-10 64510- 9 Riverside Peninsular Range; San Jacinto Mtns., Cahuilla Valley, Hwy 71 [=371], 8 miles south of Hwy 74 junction 1220 Comment
  RSA0050341  Ceanothus tomentosus F. W. Peirson 1921-3-19 2364 Riverside 4 miles west of Beaumont on the Redlands Road. 762 Comment
  RSA773130  Centaurea melitensis Duncan S. Bell, J. D. England 2010-6-7 1266 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 780 Comment
  SEINET269423  Centaurea solstitialis Jerry Miller 1993-10-14 Riverside March Air Force Base Moreno Valley near Highway 215 Comment
  POM3384  Centaurium exaltatum Geo R. Hall 1905-9-3 s.n. Riverside Riverside Comment
  RSA773104  Centaurium venustum Duncan S. Bell, Joy England 2010-6-14 1296 B Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1384 Comment
  RSA735900  Centromadia pungens subsp. pungens Scott D. White, Justin M. Wood 2008-6-3 12057 Riverside Perris Basin: March ARB. Comment
  UCR195115  Cerastium glomeratum A. C. Sanders, Tim Thomas 2008-8-1 35960 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  UCR59765  Cerastium glomeratum Steve Boyd 1989-3-31 3076 Riverside Peninsular Range, Vail Lake area, south of Hwy 79, 0.25 mi east of Pauba Road 457 Comment
  SEINET13709762  Cerastium viscosum J. Adams, J. Adams (Botany) 1966-1 713 Riverside Santa Rosa Plateau, Alond Dirt Rd to Murrieta, 15 Mi. E De Luz 2500 Ft 762 Comment
  RSA247378  Cercidium floridum Gary D. Wallace 1967-4-29 720 Riverside Northeast of Coxcomb Mts., 15 miles North of Desert Center along Parker Dam Hwy. Comment
  RSA405363  Cercidium floridum W. Hutchinson 1926-4-1 s.n. Riverside Palm Springs. Comment
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Apr 1 2019
  RSA86985  Cercidium floridum F. W. Peirson 1921-4-13 sn Riverside Deep Canyon Wash, about 12 miles SE of Palm Springs. 152 Comment
  JEPS46468  Cercidium floridum subsp. floridum W. L. Jepson Oct. 1912 5239 Riverside near Riverside Mts.; Colorado River Comment
  UCR193970  Cercocarpus betuloides A. C. Sanders 2008-7-25 35916 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills Comment
  JOTR32366  Cercocarpus betuloides var. betuloides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2481 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; Rocky outcrop and steep slopes above large drainage and spring (Stop 6) Comment
  RSA586147  Cercocarpus betuloides var. betuloides D. L. Banks, Steve D. Boyd 1996-3-16 109 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on 625 Comment
  SD260297  Cercocarpus minutiflorus A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-3 42414 Riverside Peninsular Range: UC Emerson Oaks Resrve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, c. 0.3 km NW (161a^z) of water tank. 473 Comment
  SEINET1782974  Cereus munzii Philip A. Munz 1922-5-21 5570 Riverside San Jacinto Mountains: Hemet Valley: 2 mi NW of Kenworthy. [County not given on label.] 1418 Comment
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Feb 22 2014
  UCR213535  Chaenactis artemisiifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37805 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCD130230  Chaenactis carphoclinia C. L. Hitchcock 1966-3-20 24314 Riverside 5 miles north of Milpitas Wash and 12 miles northwest of Blythe-Glamis Road. Comment
  UCR269868  Chaenactis carphoclinia A. C. Sanders, Jim Malusa 2016-3-18 42366 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  RSA4876  Chaenactis carphoclinia var. carphoclinia C. B. Wolf 1932-4-27 2992 Riverside Colorado Desert, 14 miles E. of Mecca on Blythe Road 152 Comment
  RSA776820  Chaenactis carphoclinia var. carphoclinia Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1093 Riverside Chuckwalla Mountains, Corn Springs Road; Road crossing of main wash that drains Chuckwallas to the east toward the Chuckwalla Bench 427 Comment
  UC1287088  Chaenactis carphoclinia var. carphoclinia C. L. Hitchcock 1966-3-20 24314 Riverside 5 mi n Milpitas Wash (12 mi nw of Blythe-Glamis Rd) Comment
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Mar 2 2013
  RSA93829  Chaenactis carphoclinia var. carphoclinia F. W. Peirson 1922-4-11 2858 Riverside Deep Canyon Wash, Coachella Valley 244 Comment
  POM122615  Chaenactis fremontii Marcus E. Jones 1926-2-15 s.n. Riverside Whitewater. Comment
  POM351696  Chaenactis fremontii B. C. Templeton 1931-4-9 s.n. Riverside N of Palm Springs Comment
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May 12 2016
  RSA528101  Chaenactis fremontii Steve Myers 1991-4-15 91 -21 Riverside City of Banning, W of fields Road, N of Interstate 10 & S o the Morongo Indian Reservation. 671 Comment
  RSA775095  Chaenactis fremontii Duncan S. Bell, Amber Swanson 2011-2-18 2035 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  RSA775626  Chaenactis fremontii Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 1006 Riverside Road circling Sheep Hole Valley Wilderness, NS569 at junction with Hwy 62 on east side of NS569 along washlets 396 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
  UCR133382  Chaenactis fremontii Mitch Provance, J. S. Ross 1998-3-27 1002 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon, c. 1.2 miles NE of the town of Cabazon 579 Comment
  UCR4207  Chaenactis fremontii K. S. Gill 1965-4-17 s.n. Riverside San Bernardino Mtns./ Sonoran (Colorado) Desert, Whitewater Canyon, 4 miles north of Hwy 60 610 Comment
  UCR85082  Chaenactis fremontii A. C. Sanders, George K. Helmkamp, P. J. MacKay 1995-3-12 16032 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  SEINET2049368 Image available Chaenactis glabriuscula Don Mitchell 1990-4-30 Riverside W side of Sage Road, ca. 1/2 mi. S of intersection with Wilson Valley Road, T7S, R1E, sec 32. 701 Comment
  SEINET273069 Image available Chaenactis glabriuscula A. C. Sanders, N. Ferguson 1994-6-2 14631 Riverside San Jacinto Mountains: Bautista Canyon ca. 1 mile above the forest service boundary 850 Comment
  UCR16879  Chaenactis glabriuscula G. W. Forister 1967-3-23 s.n. Riverside San Bernardino Mtns., Whitewater Cyn 612 Comment
  CAS-BOT-BC277416  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1899-5-1 s.n. Riverside San Jacinto Mt. (Van de Venter's [Vandeventer]) 1371 Comment
  POM10493  Chaenactis parishii Charlotte M. Wilder 1909-7-14 971 Riverside Ridge along Strawberry Valley, near trail to Tahquitz Peak Comment
  SEINET2049307 Image available Chaenactis parishii Kathy Harper 1988-6-11 Riverside San Jacinto Mountains, on Thomas Mountain Road, S of Thomas Mountain Lookout. Comment
  UCR34890  Chaenactis parishii L. B. Ziegler 1967-7-5 173 Riverside San Jacinto Mtns., south slope of Thomas Mountain 1616 Comment
  CLARK-A1528-186  Chaenactis stevioides Charlotte Stocks 1965-3-26 Riverside Thermal Canyon Comment
  SD128740  Chaenactis stevioides Darley F. Howe 1980-4-15 Riverside 1.0 mile west of Mesa Verde, south slope of McCoy Mountains, Highway 10. (IPB 10/07) Comment
  RSA339341  Chamaesyce R. F. Thorne, W. A. Tilforth 1980-5-28 54175 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  RSA0021556  Chamaesyce micromera Duncan S. Bell 2012-3-4 3140 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  CDA35263  Chamaesyce polycarpa M. Wasbauer 1960-3-26 s.n. Riverside Shaver s Summit. 0 Comment
  RSA552714  Chamaesyce polycarpa Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-25 6683 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  RSA689556  Chamaesyce polycarpa Scott D. White, Michael Honer 2003-4-25 9126 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  RSA778321  Chamaesyce polycarpa Amber Swanson, Linda Jean Foster 2011-10-8 626 Riverside Jct of Blythe Rice Rd and Hwy 62. 287 Comment
  UC17669  Chamaesyce serpyllifolia H. M. Hall July, 1901 2532 Riverside vicinity Strawberry Valley; San Jacinto Mtns 1584 Comment
  RSA232933  Chamaesyce setiloba L. S. Rose 1967-12-19 s.n. Riverside La Quinta. 15 Comment
  IRVC3125  Cheilanthes covillei R. H. Whittaker, W. A. Niering 1963-5-28 SJ 20 Riverside Below Idyllwild toward Mountain Center. Peninsular Ranges, San Jacinto Mountains 1524 Comment
  POM18178  Cheilanthes newberryi Philip A. Munz 1923-3-10 6585 Riverside San Jacinto River, 3 miles from Elsinore Comment
  UC1930065  Cheilanthes newberryi Scott D. White, Michael Honer 2003-5-27 9397 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. (Lake Elsinore & adjacent Alberhill) Comment
  CAS-BOT-BC68052  Cheilanthes parryi Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  IRVC3133  Cheilanthes parryi R. H. Whittaker, W. A. Niering 1963-6-1 SJ 149 Riverside Palms to Pines Hwy. Santa Rosa Mountains 701 Comment
  RSA336041  Cheilanthes parryi R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52022 Riverside Chino Canyon Comment
  UC812278  Cheilanthes parryi Ivan Johnston 1917-4-4 Riverside Palm Canyon; Colorado Desert 304 Comment
  UCR92073  Chenopodium Scott D. White 1994-10-17 2503 Riverside City of Temecula, Murrieta Creek channel at confluence with Santa Gertrudis Creek 320 Comment
  SEINET238511  Chenopodium album A. C. Sanders, Mitch Provance 2000-10-16 23722 Riverside Riverside: railroad right of way between Watkins Dr. and Campus View Dr. near site of Lemona siding. 335 Comment
  UCR126980  Chenopodium album A. C. Sanders 2002-12-13 25662 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons, basin W18 north of Trilogy Parkway 366 Comment
  RSA613314  Chenopodium album D. L. Banks 1997-3-1 1379 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
  RSA666520  Chenopodium album var. striatum Mitch Provance 2000-11-2 2295 Riverside North Riverside: Reid Park, ca. 0.5 mi SW of the corner of Placentia Ln. and Orange St. 250 Comment
  UCR151120  Chenopodium berlandieri var. sinuatum Scott D. White 1998-10-13 7181 Riverside Peninsular Ranges/Santa Ana Mtns region, Corona, near Bedford Canyon; ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same 366 Comment
  UCR92249  Chenopodium botrys Scott D. White 1995-8-23 3565 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
  RSA714432  Chenopodium californicum A. C. Sanders 2004-5-12 27869 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 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
  GMDRC5050  Chenopodium murale J. Andre, G. L. Clifton 2011-2-22 17465 Riverside Mecca Hills: along Box Canyon Rd, 10.3 mi. NE of town of Mecca 219 Comment
  UCR233147A  Chenopodium murale Jim Andre, Glenn L. Clifton 2011-2-22 17465 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  RSA286100  Chenopodium murale John F. Emmel 1980-10-5 761 Riverside Hemet; 0.9 air mile WNW of peak of Reservoir Butte. 523 Comment
  RSA549246  Chenopodium rubrum A. C. Sanders, O. F. Clarke 1991-10-5 11741 Riverside Rubidoux, Santa Ana River Regional Park, ca. 0.3 mile SE of Louis Rubidoux Nature Center. Comment
  CAS-BOT-BC231786  Chilopsis linearis Herman Knoche 1919-6-1 Series A, No. 591 Riverside Palm Springs Comment
  RSA787623  Chilopsis linearis J. Russell Bruff 1931-7-25 458 Riverside Whitewater Wash 3 mi west of Palm Springs. Comment
  SD113257  Chilopsis linearis Darley F. Howe 1936-6-14 358 Riverside Palm Springs Comment
  SD234847  Chilopsis linearis A. C. Sanders 2008-7-25 35923 Riverside Interior South Coast; San Jacinto Valley; Gilman Springs Road at mouth of Massacre Canyon, 0.7 miles NW of Gilman Hot Springs (San Jacinto 7.5' Q) 466 Comment
  SEINET10457924  Chilopsis linearis David B. Dunn, A. Folsom 1948-6-17 Dunn 3820 Riverside At camp in Pushawalla canyon under palms. Below quad 6; near the mouth of the canyon. Comment
  UC1125579  Chilopsis linearis subsp. arcuata H. S. Yates 1937-6-28 6739 Riverside near Palm Springs; San Jacinto Quad. Comment
  POM11892  Chimaphila umbellata subsp. occidentalis P. A. Munz 1922-7-7 6055 Riverside No fork of Tahquitz Creek. 2134 Comment
  CLARK-A1045-145  Chorizanthe brevicornu George K. Helmkamp 1978-4-1 Riverside Deep Canyon Palm Desert, 15' Q; Blackburn Canyon, 7.5' Q Comment
  UCR178531  Chorizanthe brevicornu R. G. Swinney 1967-5-26 145 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  UCR260858  Chorizanthe brevicornu A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41493 Riverside San Gorgonio Pass, c. 3.8 miles east of Cabazon, north of San Gorgonio River wash, south of I-10 and generally NE of water bottling plant, west of dirt road to wind farm 439 Comment
  POM13047  Chorizanthe brevicornu var. brevicornu P. A. Munz, D. D. Keck 1922-4-9 4859 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  RSA339657  Chorizanthe brevicornu var. brevicornu Robert F. Thorne, C. W. Tilforth 1980-5-28 54227 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  UC849120  Chorizanthe brevicornu var. brevicornu Lewis S. Rose 1937-4-10 37184 Riverside 8 mi n Indio; n of Indio 137 Comment
  UCR97471  Chorizanthe coriacea B. G. Pitzer 1997-3-23 2979 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR242864  Chorizanthe fimbriata Dick Newell, Judy Booth 2013-6-16 334 Riverside Peninsular Range; Santa Ana Mtns., South Main Divide Rd., 0.3 mi. east of Decker Canyon Rd. 887 Comment
  SD136790  Chorizanthe fimbriata var. fimbriata Steve Boyd, Tim Ross 1992-6-10 7625 Riverside San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido, an isolated area due west of the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek and San Mateo Creek 671 Comment
  UCR1214  Chorizanthe fimbriata var. fimbriata Standley 1960-5-11 s.n. Riverside Perris-Aguanga Basin Region, 8 miles east of Temecula on Hwy 71 [=79] to Warner Springs, near Vail Lake and Dripping Springs 500 Comment
  CAS-BOT-BC252786  Chorizanthe parryi var. parryi James L. Reveal 1988-5-23 6867 Riverside Along California Highway 75 at milepost 48, 3 miles east of Fariview Avenue in Valle Vista, north of teh highway and south of the San Jacinto River 609 Comment
  JEPS100434  Chorizanthe parryi var. parryi Dean W. Taylor 2003-5-6 18526 Riverside 1.15 mi NNE of Cabazon, along access road paralleling powerlines 640 Comment
  UCR251299  Chorizanthe parryi var. parryi T. B. Salvato, Mike Landers 2013-3-21 7413 Riverside Perris-Aguanga Basin, Murrieta, at the northwest corner of the intersection of Baxter Road and Menifee Road 453 Comment
  SD181399  Chorizanthe polygonoides var. longispina Steve Boyd 2001-4-12 10407 Riverside Santa Ana Mountains Gavilan Hills Region: Temescal Canyon, terrace escarpment just south of DePalma Road between Indian Wash and Horsethief Wash Comment
  RSA585526  Chorizanthe procumbens D. L. Banks, S. D. Boyd 1995-5-9 389 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  SBBG94830  Chorizanthe staticoides E. LaRue 1990-4-10 Riverside midway between Pauba Valley and Wolf Valley; 1.2 mi N of the Pechanga Indian Reservation 365 Comment
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Sep 28 2009
  RSA771682  Chorizanthe xanti var. leucotheca Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4985 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 750 Comment
  UCR111778  Chrysothamnus nauseosus Mitch Provance 1998-5-4 1716 Riverside Riverside (Rubidoux), Belltown area, 'gravel pits' just south of 26th St. and Hall Ave. 250 Comment
  RSA5581  Chrysothamnus paniculatus C. B. Wolf 1932-10-13 4314 Riverside 0.5 mile before reaching Cottonwood Springs, Eagle Mountains, Colorado Desert 290 Comment
  UCR177274  Chrysothamnus paniculatus Scott D. White, Michael Honer 2003-5-13 9250 Riverside San Bernardino Mtns, Whitewater Canyon, c. 2 miles north of Bonnie Bell 640 Comment
  UC1184320  Chylismia brevipes subsp. brevipes Peter H. Raven 1958-3-1 11751 Riverside along US Hwy 95 35.8 mi n Blythe (near Colorado River) 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
  UC20519  Chylismia claviformis subsp. aurantiaca S. B. Parish Apr 4 1896-Apr 13 1896 4116 Riverside Palm Springs (Agua Caliente) desert base of San Jacinto Mt. 152 Comment
  JEPS23456  Chylismia claviformis subsp. peirsonii W. L. Jepson 1927-4-14 11706 Riverside Silent Canyon foothills Santa Rosa Mts. (se end of mts.) 304 Comment
  UCD130643  Cirsium occidentale var. californicum E. W. Lathrop 1966-5-8 6453 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest, Trabuco District. 274 Comment
  JEPS59194  Cirsium scariosum W. L. Jepson 1901-5-27 1485 Riverside Cahuilla Valley 624 Comment
  UC489228  Cirsium scariosum var. congdonii C. V. Meyer 1928-7-1 617 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow 1676 Comment
  UCR159248  Cirsium vulgare A. C. Sanders, Kelly Volansky 2005-8-31 31581 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
  RSA329670  Cistanthe monandra Gary D. Wallace 1966-3-26 250 Riverside Whitewater Canyon; 13 mi. E. of Banning, San Bernardino Nat l For. 427 Comment
  RSA516877  Cistanthe monandra Steve Boyd 1986-3-1 1359 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  RSA699173  Cistanthe monandra J. Russell Bruff 1928-4-2 110 Riverside Canyon wash 1 mile west of Morengo. Comment
  POM15054  Clarkia dudleyana Mary F. Spencer 1922-6-30 1704 Riverside Brook Camp, San Jacinto Mountains. Comment
  UC1280013  Clarkia dudleyana Peter H. Raven with R. Snow 1957-7-26 11084 Riverside 0.9 mi n Vista Grande Ranger Station (along Banning to Idyllwild road); San Jacinto Mountains Comment
  UCR9216  Clarkia dudleyana D. H. Wilken 1965-6-29 316 Riverside San Jacinto Mtns, One mile north of Poppet Flat along County Route 1 1220 Comment
  CAS-BOT-BC163862  Clarkia purpurea subsp. quadrivulnera Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  UCR180053  Clarkia purpurea subsp. quadrivulnera Mitch Provance 2005-5-18 9800 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
  RSA801957  Clarkia rhomboidea LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6153 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  SD217352  Claytonia parviflora subsp. viridis Steve Boyd, Tim Ross, et al 1990-4-2 4036 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along Highway 79, East of USFWS Dripping Springs Guard Station. 487 Comment
  RSA386288  Clematis pauciflora N. C. Cooper 1944-5-7 1191 Riverside Banning. Comment
  UCR89875  Clematis pauciflora Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3342 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  POM294294  Cleome isomeris Lyman Benson 1949-3-28 13583 Riverside 10 miles northeast of Palm Springs. Colorado Desert. 335 Comment
  POM307253  Cleome isomeris Henry J. Ramsey 1937-11-20 2236 Riverside San Gorgonio Pass. Comment
  RSA650753  Cleome isomeris Marion P. Harthill 1971-3-19 24 Riverside Palm Desert. Comment
  SEINET3089077 Image available Cleome isomeris C. F. Shutts 1949-3-19 57 Riverside Cottonwood Pass, Little San Bernardino Mtns. 305 Comment
  UCR106354  Cnicus benedictus John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  CAS-BOT-BC416390  Coleogyne ramosissima Reid Moran 1941-5-4 840 Riverside East of Quail Spring, Joshua Tree National Monument 1300 Comment
  LA36246  Coleogyne ramosissima Elizabeth McClintock; 1946-5-4 sn Riverside Joshua Tree National Monument, Los Horse Well Comment
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Feb 23 2014
  UCR177646  Collinsia concolor S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  RSA0030789  Collinsia concolor N. C. Cooper 1944-5-20 1290 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  RSA0117399  Collinsia concolor Robert F. Thorne, F. R. Fosberg, Sachet, Herbst 1983-4-23 55457 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA597803  Collinsia concolor Scott D. White 1996-3-31 3861 Riverside Elsinore Basin Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 439 Comment
  UCR79263  Collinsia parryi Steve Boyd, Orlando Mistretta 1992-4-23 7072 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon 305 Comment
  UCR241791  Convolvulus simulans A. C. Sanders, Dave King 2013-4-10 40788 Riverside Peninsular Range; Perris-Aguanga Basin, about 2 miles south of Perris, along SCE powerline route west of I-215, parallel to McLaughlin Rd., near intersection with Geary St. 441 Comment
  RSA507510  Conyza bonariensis Steve Myers 1988-6-4 s.n. Riverside Rancho California area, E of Winchester Road, between Auld Rd. & Borel Rd 396 Comment
  RSA575928  Conyza bonariensis Steve Boyd, Darin L. Banks 1994-9-29 8368 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  UCR207782  Conyza coulteri O. F. Clarke 2005-9-18 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR163664  Cordylanthus nevinii Mike Misenhelter 2005-8-24 s.n. Riverside Peninsular Range; San Jacinto Mtns., NW side of Pine Cove, south of Logan Creek near Truck Trail, SE of peak 6022 1814 Comment
  UCR227603  Cordylanthus rigidus Duncan S. Bell, Ryan Parker 2010-6-15 1310 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 3 air miles southeast of junction of Hwy 74 and Forest Service Road 5S15 1063 Comment
  RSA0010993  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Colleen Wheeler 2010-7-19 1627 Riverside San Bernardino National Forest: Garner Valley, in the vicinity of the Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1377 Comment
  RSA0030791  Cordylanthus rigidus subsp. setiger J. C. Roos 1965-8-18 s.n. Riverside Thomas Valley, San Jacinto Mtns. Comment
  RSA444564  Coreopsis bigelovii Walter Wisura 1988-3-23 4202 Riverside Highway 62 immediately E of Robinson Road, West of Twentynine Palms. Comment
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Sep 7 2013
  UCR244385  Coreopsis bigelovii Jim Andre 2012-4-16 20954 Riverside Joshua Tree National Park;, along Geotour Road, at SW end of one-way loop in Pleasant Valley at foot drainage below Pinyon Well, c. 7.5 mi. south of paved National Park Loop Rd. 1095 Comment
  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
  RSA51632  Coreopsis californica L. S. Rose 1949-4-19 s.n. Riverside 4 miles NW of Alberhill. 305 Comment
  CLARK-A1528-1788  Corethrogyne filaginifolia John C. Roos 1965-8-19 Riverside Beaumont Comment
  JOTR32315  Coryphantha alversonii Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Pinto Basin road; Convergence of large sandy, open southeast flowing wash and Cottonwood Canyon; Small rocky ledges and outcrops bordering wash (Stop 1) Comment
  RSA737119  Cotula coronopifolia Justin M. Wood 2008-10-15 185 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR76167  Crassula aquatica A. C. Sanders 1993-4-1 13666 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  POM10326  Crassula connata Charlotte M. Wilder 1904-5-14 270 Riverside Wilders Canyon, Jurupa Hills, Comment
  POM13113  Crassula connata P. A. Munz, J. M. Johnston 1922-5-19 5342 Riverside 5 mi. E of Murietta. 518 Comment
  RSA423453  Crassula connata N. C. Cooper 1944-4-23 1158 Riverside Banning 701 Comment
  RSA523528  Crassula connata Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3987 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR158720  Crassula connata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30032 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
  RSA357164B  Crassula solieri R. F. Thorne, E. W. Lathrop 1975-5-25 45561 -B Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  NY268562  Crossosoma bigelovii T. Labouchere 1915-4-15 3315 Riverside San Jacinto Mountain. Comment
  RSA21380  Crossosoma bigelovii C. B. Wolf 1937-5-4 2785 Riverside Colorado Desert, Little San Bernardino Mts, Morongo Wash, 1 miles below San Bernardino County line. 610 Comment
  HSC66727  Croton californicus D. Goforth, D. Reed 1980-3-25 361 Riverside Hwy. 195, 6 mi. E of Mecca, Box Canyon, Mecca Hills. 122 Comment
  RSA757623  Croton californicus LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4335 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  SBBG67680  Croton californicus M. N. Ackley 1928-3-11 353 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  SEINET3089931 Image available Croton californicus B. Pitzer 1986-5-24 247 Riverside Whitewater Canyon, ca. 5 mi N of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to ca. 1/4 mi N of hatchery boundary. Whitewater 7.5' quad: Comment
  UCR114846  Croton californicus Mitch Provance 1998-2-17 55 Riverside Jurupa Mountains, Pyrite Canyon, 'Central Pyrite Dune', c. .3 km south of the end of Savonia Dr. in Southridge, Fontana. Actual location of the collection just on the Riverside Co. side of the Riv. / S.B. county line. 320 Comment
  SEINET9255231 Image available Croton californicus var. mohavensis Nancy Ryan Zabriskie 1970-12-29 333 Riverside Beside Andreas Canyon Club entrance gate on South Palm Canyon Drive, Palm Canyon watershed, east slope San Jacinto Mtns. 168 Comment
  UCR220007  Croton setiger A. C. Sanders 2010-11-18 38686 Riverside Peninsular Range; western Gavilan Hills, eastern edge of Corona, north end of 'radio tower' ridge, 1.85 mi. NNE (25 deg. ) of El Cerrito, 1 mi. SSE (143 deg. ) of Home Gardens, just east of large rock quarry 488 Comment
  UCR193734  Cryptantha A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35651 Riverside Peninsular Range; San Jacinto Mtns., May Valley, slopes west of Herkey Creek and north of Bonita Vista Rd., SSW of Fleming Ranch 1524 Comment
  POM287897  Cryptantha angustifolia Lyman Benson 1933-3-31 4195 Riverside Salton Sea-Imperial Co. line. 61 Comment
  SBBG97219  Cryptantha angustifolia W. L. Halvorson 1977-3-8 77 -83 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UC1063929  Cryptantha angustifolia H. S. Yates 1936-4-7 5442 Riverside 2.5 mi s Willis Palms; Thermal Quad. 243 Comment
  UC665819  Cryptantha angustifolia Ira L. Wiggins 1941-5-24 9562 Riverside 0.3 mi s Myoma (4.6 mi n of Indio) Comment
  POM259728  Cryptantha barbigera E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon branching from Fargo Canon 5 mi. east Indio. 244 Comment
  RSA784966  Cryptantha barbigera Duncan S. Bell 2012-3-18 3230 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  UC667345  Cryptantha barbigera Annie M. Alexander and Louise Kellogg 1941-4-27 2093 Riverside Joshua Tree National Monument, Riverside and San Bernardino counties Joshua Tree National Monument 1310 Comment
  POM6504  Cryptantha barbigera P. A. Munz, L. T. Street, G. Williams 1919-3-28 2381 Riverside Palm Canyon 183 Comment
  POM229462  Cryptantha barbigera var. barbigera P. A. Munz 1937-5-29 15102 Riverside Edge of Pinyon Flat, Santa Rosa Mts. 1220 Comment
  JOTR29584  Cryptantha barbigera var. fergusoniae Andre, Jim 2006-4-6 6716 Riverside Joshua Tree National Park. about 50 m. north of the Keys View Parking area 1552 Comment
  JEPS67519  Cryptantha circumscissa Marjorie D. Clary 1932-5-26 1170 Riverside Pleasant Valley Hexie Mts. Comment
  UCR180140  Cryptantha corollata Mitch Provance 2003-4-26 9902 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR258751  Cryptantha corollata T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7913 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 0.6 mi north of Hwy 15 and Temescal Canyon 476 Comment
  POM12150  Cryptantha costata Mary F. Spencer 1920-3-16 1514 Riverside Mecca -60 Comment
  UCR280015  Cryptantha costata Onkar Singh 2012-2-25 2544 B Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, Palen Sand Dunes west of Palen Dry Lake 140 Comment
  JOTR34180  Cryptantha decipiens Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 141 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Northeast flowing steep side canyon of Pushawalla Canyon, almost parallel to main canyon (Stop 5) 1171 Comment
  RSA528102  Cryptantha decipiens S. J. Myers 1991-4-15 91 -6 Riverside City of Banning, W of Fields Rd, N of Interstate 10 & S of the Morongo Indian Reservation. 671 Comment
  RSA605175  Cryptantha dumetorum A. C. Sanders, P. Mackay, M. Jacobsmyer, C. L. Sanders 1995-3-5 15999 Riverside colorado Desert: Orocopia Mtns, Maniobra Valley, 1.6-3 miles S of frontage road (old 60) along I10, S to ege of BLM wilderness. 556 Comment
  SDSU18694 SDSU18694
Image available
Cryptantha dumetorum Kristen Hasenstab, M. G. Simpson 2008-4-2 57 Riverside Joshua Tree National Park. In wash adjacent to Cottonwood Springs wash, running N/NW to S/SE. Located on the west side of wash under a Prunus fasciculata at the edge of the wash. 902 Comment
  RSA784959  Cryptantha holoptera Duncan S. Bell 2012-2-12 3117 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  CAS-BOT-BC168489  Cryptantha intermedia A. C. Sanders; Seung-Chul Kim; Plant Taxonomy Class 2005-5-7 30040 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  PASA1986  Cryptantha intermedia 1928-3-3 Riverside near Whitewater Comment
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Jun 24 2016
  POM230207  Cryptantha intermedia I. W. Clokey 1935-4-18 6861 Riverside Gavilan mesa. 61 Comment
  POM293650  Cryptantha intermedia Lyman Benson 1946-4-15 12027 Riverside 2 miles east of Banning, Colorado Desert 609 Comment
  RSA502894  Cryptantha intermedia Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  RSA786099  Cryptantha intermedia C. P. Cowan 1978-4-24 1254 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-225(voucher). Comment
  SBBG34217  Cryptantha intermedia H. Haid 1969-5-11 Riverside Bautista Cyn, ca. 20 mi SE of Hemet 914 Comment
  SD148208  Cryptantha intermedia A. C. Sanders 2001-5-3 24081 Riverside Hemet, southeast corner of State Street at Gibbel,at east end of Diamond Valley. 494 Comment
  SEINET7063222  Cryptantha intermedia A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  UCR124217  Cryptantha intermedia S. J. Myers 1988-6-8 s.n. Riverside Santa Rosa Plateau, Along Via Majorca, between Avenida de Arboles and Paseo Montano, in the 'La Cresta' region 671 Comment
  UCR152529  Cryptantha intermedia A. C. Sanders 2005-4-22 29596 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR154393  Cryptantha intermedia A. C. Sanders, Mike Misenhelter 2005-6-15 30972 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCSB38685  Cryptantha intermedia Cowan, Clark 1978-4-24 Riverside 19.6 mi. (31.3 km.) S on 74 from jct. w/ Hwy. 111 at Indian Wells Sta. Rosa Mt. Rd., 1.9 mi. (3 km.) S. of 74 Comment
  SEINET4568277 Image available Cryptantha maritima Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4595 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 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
  UCR241801  Cryptantha maritima A. C. Sanders, Ann Howald 2013-2-28 40564 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 3.4 miles west of Hwy 78, 11 km SW (250 deg. ) of Ripley 114 Comment
  UCSB52570  Cryptantha maritima Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  SEINET273057  Cryptantha microstachys A. C. Sanders 1997-4-3 20175 Riverside Lake Skinner area: N edge of large clay patch adjacent to the Skinner entrance road ca. 1-2 km NE of Borel Rd. on E si 473 Comment
  UC1929303  Cryptantha microstachys Scott D. White, Justin Wood 2008-4-16 11883 Riverside Perris/Elsinore Basin; Hills to the W of I-215 and S of Scott Rd. Comment
  UC217963  Cryptantha microstachys P. A. Munz and I. M. Johnston 1922-5-19 5346 Riverside 5 mi ne Murietta 457 Comment
  UCR241240  Cryptantha muricata Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 504 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  RSA0119988  Cryptantha muricata var. denticulata Duncan S. Bell, Thomas Stoughton 2016-4-13 9264 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  GMDRC6563  Cryptantha muricata var. jonesii J. M. Andre 2012-6-15 30518 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  RSA699334  Cryptantha nevadensis J. R. Bruff 1928-4-2 s.n. Riverside Canyon wash 1 mile west of Morengo. Comment
  UCR52021  Cryptantha pterocarya var. cycloptera Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2182 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA0079289  Cryptantha pterocarya var. pterocarya LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1464 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA795976  Cryptantha pterocarya var. pterocarya Duncan S. Bell 2009-4-19 293 Riverside Arica Mountains: east side of range, approximately 1 air mile northwest of Priests Well. 342 Comment
  POM9856  Cryptantha racemosa E. C. Jaeger s.n. Riverside County Well Canyon [6.8 miles below Pinyon Well on the road to Indio, presumably in what is now called Pushawalla Canyon] Comment
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Apr 24 2011
  UC61111  Cryptantha torreyana Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  JOTR33726  Cryptantha utahensis La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2727 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  HSC99971  Cupressus forbesii Michael Kauffmann 2011-5-28 15 Riverside Just North of Sierra Peak Comment
  CAS-BOT-BC224550  Cuscuta californica A. C. Sanders; Kerry Knudsen; T. B. Salvato 2004-5-18 27901 Riverside Peninsular Range: summit ridge of Alberhill Mountain, along dirt road 503 Comment
  CAS-BOT-BC224551  Cuscuta californica C. L. Hitchcock; C. V. Muhlick 1964-3-17 23076 Riverside 8 miles s.e. of Corona, along road to Elsinore Comment
  UCR214153  Cuscuta denticulata T. B. Salvato 2010-4-20 4052 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  UCR101885  Cyclospermum leptophyllum A. C. Sanders 1997-3-17 20005 Riverside Riverside, UCR campus, edge of lawn at NE corner of Batchelor Hall 348 Comment
  UCR41561  Cylindropuntia bigelovii A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6148 Riverside Sonoran (Colorado) Desert, Arroyo Seco, along Bradshaw Rd., 5.2 mi west of Graham Pass Rd., south side of the Chuckwalla Mtns. 640 Comment
  SEINET9037738 Image available Cylindropuntia echinocarpa M. A. Baker 2015-1 18325 Riverside San Gorgonio Pass, south base of the San Bernardino Mountains, 24km NW of central Palm Springs, 3km ENE of Cabazon, heavily-grazed bowl among hills 559 Comment
  JEPS15951  Cymopterus panamintensis var. acutifolius Marjorie D. Clary 1931-5-3 653 Riverside between Coachella Valley and Palo Verde Valley (Eagle Mountains); Eagle Mountains Comment
  RSA771109  Cynodon dactylon Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4729 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 W116.65122 604 Comment
  UCR104089  Cyperus odoratus John Wear 1997-9-18 s.n. Riverside Sonoran (Colorado) Desert, City of La Quinta, Washington Street, c. 100 m from Pine 43 Comment
  POM10287  Cyperus parishii Charlotte M. Wilder 1905-06 615 Riverside Wilder s [near Riverside] Comment
  UCR151402  Dactylis glomerata Scott D. White 1999-6-6 7450 Riverside San Jacinto Mnts, Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds of USFS Road 5S24.2 1463 Comment
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Oct 26 2009
  RSA48327  Dalea mollis E. K. Balls 1949-4-4 12961 Riverside Hollows between Durmid and Salton sea on Hwy 111. -30 Comment
  RSA498343  Dalea mollis Robert M. Perkins, H. de Forest s.n Riverside N. of Blythe, Along Col. river 85 Comment
  UCD65772  Dasyochloa pulchella Geoffrey Levin 1976-10-17 1179 Riverside Colorado Desert. Box Canyon, about 11 mi. east of Mecca. Mecca Hills Mt. Range. Salton Sea Basin. 91 Comment
  UCR201443  Datisca glomerata Scott D. White, Justin M. Wood 2008-7-10 12454 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  UCD126636  Datura wrightii Robert F. Thorne; Drs. Fosberg, Sachet, and Herbst 1983-4-23 55419 Riverside San Bernardino Mountains. Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. In sandy wash east of bridge and on base of W-facing slope of ridge. 411 Comment
  RSA619540  Daucus pusillus D. L. Banks 1997-5-5 1989 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
  UCR154621  Daucus pusillus A. C. Sanders, T. B. Salvato 2005-4-28 29765 Riverside Peninsular Ranges, Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine 625 Comment
  UCR250566  Daucus pusillus A. C. Sanders 2014-4-25 41067 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  CAS-BOT-BC293819  Deinandra fasciculata S. B. Parish 1916-6-8 10973 Riverside Between San Bernardino and Riverside 360 Comment
  CAS-BOT-BC131036  Deinandra paniculata Mrs. J. D. Abrams 1901-5-20 2 Riverside Elsinore Comment
  HSC47890  Delphinium parishii H. Lewis, M. Lewis 1946-4-21 595 Riverside Whitewater Comment
  CAS-BOT-BC7988  Delphinium parishii subsp. parishii Nancy Ryan Zabriskie; Walter Zabriskie 1973-4-5 613 Riverside Near Andreas Canyon Club road above the inner gate; Palm Canyon drainage from east slope 243 Comment
  SDSU10046  Delphinium parryi Charles Phleger, F. 1962-5-23 Riverside Collcted on land owned by the Schloss Foundation about 25.0 miles N of Escondido. Comment
  UCR16744  Delphinium parryi Rex Sanders 1973-5-13 s.n. Riverside Santa Ana Mtns., Cleveland National Forest; along Hwy 74, 10.18 mi from Orange County line, 1 meter from road, above Lake Elsinore Comment
  UCR256770  Delphinium parryi T. B. Salvato, Matthew Malle 2013-4-15 7543 Riverside Gavilan Hills, dirt SCE powerline access road east of Lake Street and northwest of Hilltop Drive. 0.83 mi north-northeast of the junction of Lake Street and Hwy I-15 478 Comment
  UCR176929  Dendromecon rigida Tracy Tennant, J. S. Ross 1998-4-30 MOR- 70 Riverside San Bernardino Mtns., Morongo Indian Reservation, hills west of the mouth of Potrero Canyon, 0.2 mi. NE of hill 3030 854 Comment
  UCR213838  Deschampsia danthonioides Scott D. White, Justin M. Wood 2009-5-21 12855 Riverside San Jacinto Mountains, Garner Valley, near abandoned duck ponds, south of Quinn Flat 1366 Comment
  SEINET4567128  Deschampsia elongata H. M. Hall 1901-7-17 2458 Riverside San Jacinto Mts., along Tahgnitz Creek 2134 Comment
  UCR195138  Descurainia incana A. C. Sanders, Tim Thomas 2008-8-1 35967 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, at stream crossing of trail SSE of Keenwild Fire Station 1402 Comment
  CAS-BOT-BC43351  Descurainia pinnata subsp. glabra Cecil Hart 1922-5-21 13 Riverside San Jacinto Mountains. Comment
  RSA33627  Descurainia pinnata subsp. glabra N. C. Cooper 1945-3-24 1620 Riverside Cabazon. 457 Comment
  UC63394  Descurainia pinnata subsp. menziesii H. M. Hall 1904-5-16 4942 Riverside vicinity Riverside (Fairmount Park); Fairmount Park 243 Comment
  CAS-BOT-BC500852  Dichelostemma capitatum Ivan Johnston 1917-4-4 1077 Riverside Palm Canyon, Colorado Desert Comment
  RSA33601  Dichelostemma capitatum subsp. capitatum N. C. Cooper 1944-5-21 1276 Riverside San Jacinto Mtns., west side. 1372 Comment
  RSA562486  Dichelostemma capitatum subsp. capitatum Steve Boyd, Timothy S. Ross 1992-5-5 7250 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail. 793 Comment
  JEPS26053  Dicoria canescens Spencer W. Brown and U. Nur 1960-2-6 Riverside 4 mi e Beaumont ( on Hwy 99) Comment
  RSA314491  Dicoria canescens R. F. Thorne 1982-10-8 55356 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA696746  Dicoria canescens J. Russell Bruff 1933-1-1 s.n. Riverside Travertine Point, south of Indio. Comment
  UCR266626  Dicoria canescens John F. Green 2015-11-20 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, SW edge of Desert Hot Springs, south of Pierson Blvd., east of intersection of Little Morongo Rd. & Thomas Ave. 313 Comment
  UCSB37803  Dicoria canescens Roos, John 1957-12-26 Riverside 6 miles N.W. of Thousand Palms, Coachella Valley 152 Comment
  UCR19367  Digitaria ischaemum John C. Roos 1965-9-28 s.n. Riverside San Jacinto Valley, San Jacinto Comment
  CAS-BOT-BC150938  Diplacus bigelovii var. bigelovii Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC152907  Diplacus brevipes Mrs. J. D. Abrams 1901-5-20 s.n. Riverside Elsinore Comment
  CAS-BOT-BC152264  Diplacus clevelandii Steve Boyd 1986-4-22 1757 Riverside Temescal Canyon, just south of Interstate 15 Comment
  CHSC1799  Diplacus fremontii E. Thomas 1940-4-14 Riverside Temescal Canyon. Comment
  RSA0018430  Diplacus longiflorus var. calycinus P. A. Munz, Percy C. Everett 1950-6-23 14909 Riverside 2 mi. NW of Pipe Creek, Hemet Valley, San Jacinto Mountains. 1402 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
  RSA0012650  Distichlis spicata LeRoy Gross, Caitlin Elam 2013-5-14 6077 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., Started near 33.66575N, 116.66716W. 1332 Comment
  SD30509  Distichlis spicata Edith A. Purer 1936-4-6 6879 Riverside Riverside County, vernal pool south of Elsinore Comment
  RSA13944  Ditaxis lanceolata P. A. Munz 1922-4-9 4883 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA785425  Ditaxis lanceolata Doris Bowers 1974-5-5 2278 Riverside Anza Barrego State Park, N/o Coyote Creek 335 Comment
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Sep 11 2013
  UC868541  Ditaxis lanceolata Alice Eastwood 1913-4-30 3008 Riverside Blue Canyon Palm Springs; , Blue Canyon Comment
  UCR139721  Ditaxis neomexicana B. G. Pitzer 1989-4-16 1293 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  UCR163962  Ditaxis neomexicana B. G. Pitzer, O. Clarke, S. Reed, G. Ruiz, et al 1998-3-7 3591 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
  UCR173880  Ditaxis neomexicana Scott D. White, Michael Honer 2003-5-15 9309 Riverside Sonora (Colorado) Desert, Bajada below Little Maria/Big Maria Mtns, near Inca RR siding and c. 15 air mi NW of Blythe 76 Comment
  UCR74376  Ditaxis neomexicana Theo Glenn 1991-5-1 91- 47 Riverside Sonoran (Colorado) Desert, McCoy Mts, NW of Blythe 240 Comment
  CAS-BOT-BC43590  Dithyrea californica S. B. Parish; W. F. Parish 1892-4-1 s.n. Riverside Borders of the Colorado Desert. Whitewater. Comment
  UC118027  Dithyrea californica T. S. Brandegee 1902-5-14 Riverside Whitewater Comment
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Jan 15 2010
  UC186810  Dithyrea californica S. B. and W. F. Parish April 1882 15 Riverside Whitewater, borders of the Colorado Desert Colorado Desert Comment
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Jul 15 2009
  UC205844  Dithyrea californica S. B. Parish 1919-3-27 19192 Riverside Whitewater <?> Colorado Desert 304 Comment
  UCD114722  Dithyrea californica A. H. Frederick 1928-3-1 s.n. Riverside Palm Springs, W Colorado Desert. Comment
  SEINET12005462  Dithyrea californica J. F. Bright, Wyman, C. 1933-1 8062 Riverside between Radio & Palm Springs Comment
  RSA585880  Dodecahema leptoceras D. L. Banks, Peter Morrell 1995-5-4 314 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, SE of the Dripping Springs Campground., On Arkose hills at the N base of the metasedimentary hills N of Wildhorse Peak. 537 Comment
  RSA586867  Dodecahema leptoceras D. L. Banks, S. D. Boyd 1995-5-3 286 Riverside NW Palomar Mountains; Agua Tibia Mountains;Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
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Mar 30 2011
  RSA1455  Dodecatheon clevelandii J. T. Howell 1929-2-14 s.n. Riverside 6 miles south of Corona. Comment
  PASA303  Downingia immaculata Frank W. Peirson 1922-4-29 Riverside Field south of Lake Elsinore 380 Comment
  UC10472  Draba corrugata var. saxosa H. M. Hall July, 1901 2413 Riverside near the summit San Jacinto Mountains San Jacinto Mountains 3291 Comment
  RSA612492  Draba cuneifolia D. L. Banks 1997-2-23 1325 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
  UCR121306  Draba cuneifolia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25017 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  POM96180  Draba cuneifolia var. integrifolia Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  RSA530891  Draba saxosa Albert J. Perkins 1917-7-19 s.n. Riverside Summit San Jacinto Pk. 3293 Comment
  RSA613128  Draba verna D. L. Banks 1997-3-6 1398 A Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Fiesta Grounds , east of Pechanga Creek along the northern fork of Pechange Creek at the eastern end of the Reservation. 424 Comment
  CAS-BOT-BC535005  Drymocallis glandulosa var. reflexa C. B. Wolf 1931-5-11 1961 Riverside San Jacinto Mts. near Pipe Creek above Hemet Valley, Upper Sonoran 1676 Comment
  CAS-BOT-BC157797  Drymocallis lactea var. lactea H. M. Hall 1901-7-1 2355 Riverside In meadows and bogs of [Tauquitz] Tahquitz Valley 2499 Comment
  RSA263701  Dryopteris arguta E. W. Lathrop 1966-5-8 6470 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  SEINET6173084 Image available Dryopteris arguta S. Quan 1967-1 91 Riverside Ramona, Cleveland National Forest 366 Comment
  UC1931137  Dudleya abramsii subsp. abramsii Scott D. White, Justin Wood 2008-6-17 12192 Riverside San Jacinto Mountains: Morris Ranch Road - open area west of Goff Flat. (Palm View Peak). Comment
  GMDRC3987  Dudleya saxosa subsp. aloides J. Andre, T. La Doux 2006-4-26 11771 Riverside Little San Bernardino Mountains: upper Long Canyon (western drainage), growing on rocky slope in decomposed granite 1165 Comment
  RSA209565  Dudleya saxosa subsp. aloides T. Beck 1968-4-28 680428 -8 Riverside 1/2 mi. S of trout farm on White Water Canyon Rd. At point where the river crosses the road. 549 Comment
  RSA94385  Dyssodia porophylloides F. W. Peirson 1919-4-14 1411 Riverside Murray Canyon, Palm Springs Region. 457 Comment
  UCR187319  Dyssodia porophylloides Michael Honer, L. Hulse 2004-4-2 1877 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains. Blind Canyon, c. 0.5 mi north of Desert Hot Springs 488 Comment
  UCR62324  Echinocereus engelmannii var. engelmannii Ed LaRue 1990-4-13 s.n. Riverside Peninsular Range, 0.5 mi. NW of Aguanga, c. 1.5 mi (air) north of San Diego Co. line, north of Hwy 79 and west of Hwy 371 642 Comment
  POM12845  Echinocereus engelmannii var. munzii P. A. Munz, I. M. Johnston 1922-5-21 5570 Riverside Hemet Valley, San Jacinto Mountains 1418 Comment
  RSA303549  Echinocereus mojavensis J. R. Shevock 1971-5-8 1040 Riverside Near Skull Cap, Joshua Tree National Monument. 1372 Comment
  UCR2345  Echinochloa crus-galli F. M. Reed 1903-11-30 223 Riverside Riverside: Blaine Street, Ramona Ranch. 290 Comment
  UCR242708  Echinochloa crus-galli Dagne Duguma 2013-7-7 s.n. Riverside Santa Ana River Basin, Prado wetlands near Corona 155 Comment
  UCR95726  Echinochloa crus-galli D. L. Banks, Lauren Raz 1996-8-29 1134 Riverside Agua Tibia Mtns., NW Palomar Mtns, NW foothills of Dorland Mtn. Los Caballos Road, c. 0.5 m south of Hwy 79, 100 m north of the Golf Course access road. 399 Comment
  RSA85453  Elatine brachysperma J. C. Roos 1952-4-16 5539 Riverside Edgemont, near Box Springs. Comment
  UCR193135  Eleocharis acicularis A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35600 B Riverside Peninsular Range; San Jacinto Mtns., plateau above head of Johnson Meadow canyon, SW of dogleg in May Valley Rd. 1550 Comment
  RSA575831  Eleocharis acicularis var. acicularis Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, western edge of the Gavilan Plateau at the head of Dawson Canyon. 585 Comment
  CAS-BOT-BC112743  Eleocharis geniculata A. C. Sanders; Oscar Clarke; C. N. P. S. 1991-10-5 11744 Riverside Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake. Comment
  CAS-BOT-BC112745  Eleocharis geniculata A. C. Sanders; S. White; C. L. Sanders 1994-10-9 15815 Riverside San Bernardino Mountains: Whitewater Cyn, 2 mi below trout farm, above Bonnie Bell. 548 Comment
  JEPS19436  Eleocharis geniculata W. L. Jepson 1914-5-22 6043 Riverside Thousand Palms Canyon Colorado Desert Comment
  UC485123  Eleocharis macrostachya Carl V. Meyer 1928-7-30 580 Riverside Saunders Meadow San Jacinto Mountains Comment
  RSA343105  Eleocharis montevidensis Robert F. Thorne, Walter Wisura, E. W. Lathrop, S. Meury 1983-5-18 60632 Riverside Santa Rosa Plateau: Cole Canyon, near entrancd to Nature Conservancy Reserve. 530 Comment
  UCR43787  Eleocharis montevidensis R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60632 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: along seasonal stream in Cole Canyon, near entrance to the Nature Conservancy Reserve 534 Comment
  UC1928652  Eleocharis parishii Steve Boyd, Aydee Virgen 2004-4-13 10880 Riverside Peninsular Ranges; Santa Ana Mountains region; San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR199635  Eleocharis parishii Scott D. White, J. Campbell 2008-4-18 11894 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. 'Morgan' Property, Alberhill area 366 Comment
  UC146053  Eleocharis quinqueflora Charlotte M. Wilder 1909-7-12 928 Riverside Round Valley San Jacinto Mountains 2743 Comment
  RSA0050592  Elymus A. C. Sanders, Tim Thomas 2008-8-1 35940 Riverside Coldwater Creek near Mountain Center, SE of Keenwild Fire Station. In open disturbed area along road 5S02. 1402 Comment
  UCR274299  Elymus condensatus T. B. Salvato, Melissa Clemons 2005-6-6 1411 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  UCR122532  Elymus elymoides subsp. elymoides George K. Helmkamp, E. A. Helmkamp 2001-5-20 6680 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  POM47449  Elymus glaucus subsp. glaucus Mary F. Spencer 1919-6-27 1231 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA543174  Emmenanthe penduliflora Steve Boyd, Mike Hammitt, Tim Ross 1991-5-2 6084 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR215515  Emmenanthe penduliflora var. penduliflora Daphne K. Christopher, Hannah I. Stevens 2003-4-4 084 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  UCR260542  Emmenanthe penduliflora var. penduliflora T. B. Salvato 2014-5-29 8027 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  CAS-BOT-BC131164  Encelia actoni C. B. Wolf 1931-10-14 2458 Riverside Roadside at [Cabozon] Cabazon, San Gorgonio Pass 518 Comment
  UC1118035  Encelia actoni A. Lewis 1933-1-26 140 Riverside Cactus Valley San Jacinto Quad., Cactus Valley 640 Comment
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Mar 20 2011
  CAS-BOT-BC226824  Encelia californica A. C. Sanders; T. B. Salvato 2012-4-27 40090 Riverside Peninsular Range; Santa Ana Mtns.: Region: Temescal Canyon, along Temescal Canyon Rd. east of I-15 crossing and mouth of Mayhew Cyn. 313 Comment
  JEPS30464  Encelia farinosa Peter H. Raven 1958-1-23 11413 Riverside 2.7 mi w of Whitewater Post Office Comment
  LA31386  Encelia farinosa Jane Turner; Barbara Wlatreel, Virginia Sjaholm 1959-3-21 C 173 Riverside Morongo Wash Comment
  SBBG60960  Encelia farinosa R. C. and J. R. Robbins 1933-2-15 Riverside foot of Palms to Pines Hwy, ca. 11 mi SW of Palm Springs Comment
  UC495309  Encelia farinosa Philip A. Munz 1932-3-14 11983 Riverside Deep Canyon, Coachella Valley 152 Comment
  UCR251901  Encelia farinosa Jim Andre 2013-3-27 24825 Riverside NE Colorado Desert, east side of Riverside Mountains, along Hwy 95, 13.2 mi south of Vidal Junction 126 Comment
  UCR260965  Encelia farinosa Duncan S. Bell 2013-1-30 4458 Riverside Sonoran (Colorado) Desert, the Mecca Hills, beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected 23 Comment
  RSA26865  Encelia farinosa var. phenicodonta I. L. Wiggins 1941-3-24 9578 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar. Comment
  UC1281332  Encelia frutescens H. E. McMinn 1935-6-27 4041 Riverside between Anza and Palms to Pines Highway Comment
  UCR263222  Enchylaena tomentosa A. C. Sanders, T. B. Salvato 2015-7-22 41747 Riverside Peninsular Range, Riverside; former O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 361 Comment
  JEPS49119  Ephedra Marjorie D. Clary 1934-3-3 Riverside 18 mi w of Indio (Carrizo Canyon); Colorado Desert, Carrizo Canyon 304 Comment
  SEINET3004997  Ephedra aspera G. Rink 2011-4-4 10425 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  RSA335354  Ephedra californica D. A. Hoover 1985-3-16 56 Riverside Big Morongo Preserve. The Nature Conservancy. South of Morongo Valley. Along the Ridge Trail. 777 Comment
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Jul 14 2013
  RSA650254  Ephedra californica Donald W. Harshberger 1949-2-6 s.n. Riverside 10 miles NE of Palm Springs, on Lazy B Ranch, at sea level 0 Comment
  JOTR35307  Ephedra nevadensis Andre, Jim 2012-4-11 20808 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
  CAS-BOT-BC81861  Ephedra trifurca Carl B. Wolf 1932-4-29 3122 Riverside Eastern Colorado Desert, 3 mi. So. of Rice on Blythe Road 213 Comment
  RSA0019797  Ephedra trifurca April Garbat, Kristin Forgrave 2013-5-14 68 -A Riverside Blythe-Rice Rd, at the valley bottom approx 2 mi S of Hwy 62 (S of RR tracks) 243 Comment
  UCR274797  Ephedra trifurca April Garbat, Kristin Forgrave 2013-4-30 068 B Riverside Sonoran (Colorado) Desert, Blythe-Rice Road, at the bottom of Rice Valley, c. 2 miles south of Hwy 62, south of the RR tracks 243 Comment
  SD70929  Epilobium canum subsp. canum Helen V. Witham 1969-7-2 187 Riverside Occasional, De Luz Creek crossing, 4 miles North of De Luz 249 Comment
  POM123232  Epilobium canum subsp. latifolium Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA80634  Epilobium densiflorum F. W. Peirson 1924-7-29 5033 Riverside Banning to Idyllwild road, San Jacinto Mountains. 1570 Comment
  UCR35215  Epilobium densiflorum L. B. Ziegler 1967-7-17 189 Riverside San Jacinto Mtns., Hemet Valley, near Herkey Creek Canyon. 1585 Comment
  RSA618001  Epilobium pygmaeum R. E. Riefner Jr. s.n. Riverside Elsinore Trough between Willard and Murrieta Creek; Wildomar. Comment
  RSA561120  Epipactis gigantea Steve Boyd, Timothy S. Ross, David E. Bramlet 1993-5-12 7315 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
  UCR131004  Epipactis gigantea George H. Grinnell 1921-5-20 s.n. Riverside Riverside 366 Comment
  UCR24937  Epipactis gigantea A. C. Sanders 1980-7-22 1715 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the N fork of the San Jacinto River, along Forest Service Road 4S02, c. 0.1 mi south of Dark Canyon campground and c. 2.5 - 3 mi north of Pine Cove 1768 Comment
  RSA34529  Equisetum laevigatum Norman C. Cooper 1944-4-8 1054 Riverside Andreas Canyon 305 Comment
  JOTR29223  Eragrostis cilianensis La Doux, Tasha, Mike Bell 2005-9-15 1336 Riverside Joshua Tree National Park. Near Hidden Valley campground Comment
  UC1495814  Eragrostis pectinacea var. pectinacea A. C. Sanders and S. Hagopian 1981-5-20 2154 Riverside se Temecula (ne of S16 along the entrance road to the Cal Turf Sod Farm, Wolf Valley); Wolf Valley 329 Comment
  UCR2390  Eragrostis pectinacea var. pectinacea F. M. Reed 1907-9-10 1908 Riverside City of Riverside. Little Arroyo on Bluffs Ranch. [Bluffs Ranch was located along Arroyo Tesquesquite at Chicago Ave.] 293 Comment
  UC1007205  Eremalche exilis Philip A. Munz 1940-3-23 15723 Riverside n. end Pinto Basin Mohave Desert, n. end Pinto Basin Comment
  RSA0015411  Eremalche exilis Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA3985  Eremalche rotundifolia Carl B. Wolf 1932-4-29 3124 Riverside eastern Colorado Desert, 4 mi. E of Rice on road to Parker 213 Comment
  UCR16592  Eremalche rotundifolia K. W. Brown 1966-3-10 s.n. Riverside Sonoran (Colorado) Desert, near Homestead Ranch gate, 0ne-half mi. east of Palms-to-Pines Hwy, c. 2 mi. south of Palm Desert '350 ft. 183 Comment
  CAS-BOT-BC160053  Eremothera boothii subsp. condensata Ynez Whilton Winblad 1937-3-22 s.n. Riverside East slope of Chocolate Mts. Comment
  CAS-BOT-BC160055  Eremothera boothii subsp. condensata Ynez Whilton Winblad 1937-3-16 s.n. Riverside Box Canyon Comment
  UC472828  Eremothera boothii subsp. condensata Mary Fiske Spencer 1920-4-13 Riverside pr. Palm Springs; Colorado Desert, Tahquitz Canyon 152 Comment
  UCSB4441  Eremothera boothii subsp. condensata Broder, Richard 1958-3-1 Riverside 1.5 miles south of south entrance to Joshua Tree National Monument on U.S. 60-70 Comment
  JEPS69011  Eriastrum densifolium Carl V. Meyer 1928-8-1 622 Riverside Saunder's Meadow San Jacinto Mts. Comment
  CAS-BOT-BC514317  Eriastrum densifolium subsp. austromontanum John Thomas Howell 1927-8-2 2935 Riverside Mt. San Jacinto on road to Hemet 1371 Comment
  UC1787332  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-6-22 102 Riverside Hwy 371, 4.5 km south of Hwy 74, south side of road, in sandy bottom of Hamilton Wash 1267 Comment
  RSA0110548  Eriastrum densifolium subsp. elongatum N. C. Cooper 1944-7-15 1579 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  UC23521  Eriastrum densifolium subsp. sanctorum H. M. Hall 1895-7-4 173 Riverside above Riverside; Santa Ana River, Spanishtown crossing Comment
  JOTR34364  Eriastrum eremicum subsp. eremicum Andre, Jim 2012-4-16 20880 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  UC73654  Eriastrum eremicum subsp. eremicum M. F. Gilman 1904-1 21 Riverside Banning Comment
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Mar 13 2011
  RSA0120679  Eriastrum harwoodii Duncan S. Bell 2012-4-5 3305 Riverside Palen sand dunes on the southwest side of the Palen mountains at the south end of Palen Valley and the northwestern part of Chuckwalla Valley. Approx. 6.75 air miles directly north of Hell. 137 Comment
  UC1123879  Eriastrum sapphirinum H. S. Yates 1937-7-27 6702 Riverside 1 mi sw Mt. Eden; Elsinore Quadrangle Comment
  UCR106874  Eriastrum sapphirinum Michael A. Patten 1992-7-7 s.n. Riverside Skunk Hollow, east of town of Murrieta 409 Comment
  RSA0122964  Eriastrum sapphirinum subsp. sapphirinum J. R. Bruff 1934-6-19 545 Riverside Mt. San Jacinto; along road to Palm Springs. Comment
  SDSU18668  Ericameria linearifolia Michael G. Simpson, Kristen Hasenstab 2008-4-2 2954 Riverside Joshua Tree National Park. Southeastern end of Hidden Valley. 1305 Comment
  UCR91727  Ericameria linearifolia A. C. Sanders, J. Goetzen 1996-5-1 18130 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  CHSC118898  Ericameria linearifolia Mike Lahti 2012-5-10 Riverside Ramsey Road, one miole east of Terwilliger Road, six mile south of Anza. Chaparral. Comment
  CAS-BOT-BC298879  Ericameria nauseosa var. bernardina Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mts Comment
  CAS-BOT-BC299537  Ericameria paniculata Lewis S. Rose 1946-12-25 46307 Riverside 5 miles east of Cabazon, San Gorgonio Pass Comment
  SD127547  Ericameria paniculata Reid Moran 1967-11-7 14648 Riverside 4 miles north of Palm Springs. 299 Comment
  UC372841  Ericameria paniculata Marcus E. Jones, A. M. 1903-5-10 Riverside Palm Springs Comment
  UC63167  Ericameria pinifolia H. M. Hall 1901-6-18 2157 Riverside Van Deventer Flat San Jacinto Mountains, Van Deventer Flat Comment
  UCR34961  Ericameria pinifolia L. B. Ziegler 1966-10-16 104 Riverside San Jacinto Valley/San Jacinto Mtns. Foothills, Soboba Indian Reservation 503 Comment
  JEPS19246  Ericameria teretifolia Marjorie D. Clary 1932-11-14 1676 Riverside se of Pinyon Flats (Palms to Pines Rd.); Colorado Desert Comment
  UCR146127  Erigeron breweri var. jacinteus Michael Denslow, Firoozeh Navid- Ara, Valerie Soza 2003-7-15 1450 Riverside Peninsular Ranges; San Jacinto Mountains region, Tahquitz Peak, on saddle east of summit 2637 Comment
  SFV13146  Erigeron canadensis M. J. Thor 1982-9-16 131 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  RSA6084  Erigeron foliosus C. B. Wolf 1932-5-25 3667 Riverside Flat at mouth of east fork of Snow Creek, N Base of San Jacinto Mountains 671 Comment
  UCD65733  Eriochloa contracta J. C. Roos 1963-8-10 Riverside Blythe. 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
  CAS-BOT-BC189124  Eriodictyon crassifolium var. crassifolium Milo S. Baker 1928-4-3 2836 b Riverside Tahquitz Canon [Canyon] near Palm Springs Comment
  JEPS46  Eriodictyon crassifolium var. crassifolium W. L. Jepson May 17 1901-Jun 1 1901 1257 a Riverside San Jacinto River San Jacinto Valley (San Jacinto Valley); , San Jacinto River 487 Comment
  SD229193  Eriodictyon crassifolium var. crassifolium Dick Schwenkmeyer 2012-10-16 847 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  RSA0056443  Eriodictyon crassifolium var. crassifolium Norman C. Cooper 1944-5-6 1170 Riverside Banning. 701 Comment
  UCR35119  Eriodictyon crassifolium var. nigrescens L. B. Ziegler 1967-7-26 208 Riverside San Jacinto Mtns, Summit of Thomas Mountain 2080 Comment
  UCR60526  Eriogonum davidsonii B. A. Prigge 1980-8-25 4021 Riverside San Jacinto Mtns, San Gorgonio Pass: 1 mi SE of Fingal siding, So. Pacific RR 445 Comment
  RSA792483  Eriogonum deflexum Justin M. Wood, Dustin Ray 2011-4-28 3843 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  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
  RSA413256  Eriogonum elongatum James C. Dice, J. D. Tenhunen 1987-9-9 722 Riverside Ca. 1.6 kilometers NNW of Royal Oak Ranch. 380 Comment
  SEINET1909578  Eriogonum fasciculatum A. C. Sanders 2004-1 28392 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft) 1 mi E of Murrieta Rd and 1 mi N of Bundy Canyon Rd, ca 5 miles due south of Sun City 469 Comment
  RSA393433  Eriogonum fasciculatum var. foliolosum Josephine Derigo 1941-7-21 s.n. Riverside Railroad Canyon, Elsenor. Comment
  UCR260541  Eriogonum fasciculatum var. foliolosum T. B. Salvato 2014-5-29 8040 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  POM9567  Eriogonum fasciculatum var. foliolosum P. A. Munz, Harwood 1920-2-28 3257 Riverside 3 mi W. of Corona. 335 Comment
  JEPS56991  Eriogonum fasciculatum var. polifolium W. L. Jepson 1901-5-17 1223 Riverside Riverside 266 Comment
  SD229225  Eriogonum fasciculatum var. polifolium Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 628 Riverside Mt. San Jacinto 1085 Comment
  UCSB1524  Eriogonum fasciculatum var. polifolium Gray, Caroline 1956-4-14 Riverside The Devil's Garden; 3 mi off Hwy 99 Comment
  CAS-BOT-BC253487  Eriogonum gracile Steve Boyd 1994-10-14 8382 Riverside San Mateo Canyon, sandy benches in canyon bottom at the confluence with Bluewataer Canyon, Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest 304 Comment
  RSA479903  Eriogonum gracile var. gracile Steve Boyd 1987-9-27 2092 Riverside Peninsular Range Temescal Canyon south of Corona; area between confluence of Indian and Horsethief washes and Temescal Creek. 366 Comment
  RSA66027  Eriogonum gracile var. gracile F. W. Peirson 1922-12-26 3334 Riverside Cabazon, W edge of Colorado Desert. Comment
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Mar 13 2011
  UC1929522  Eriogonum gracile var. incultum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3572 Riverside [Peninsular Ranges; San Jacinto Mountains region]; Southern spur of Pine Meadow, southeast of Highway 371, northwest of Santa Rosa Summit. Survey north side of Highway 74. Near 1477 Comment
  RSA670613  Eriogonum inflatum Bonnie C. Templeton 1930-3-22 1644 Riverside Palm Springs. 400 Comment
  RSA0107471  Eriogonum inflatum var. deflatum Duncan S. Bell, Amanda Turek 2009-3-29 153 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  RSA480020  Eriogonum inflatum var. inflatum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2145 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UCR40036  Eriogonum molestum Dave Goodward 1985-9-29 s.n. Riverside San Jacinto Mtns., rim of Hall Canyon above the U.C. James Reserve Comment
  RSA775222  Eriogonum nudum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4440 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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Aug 15 2012
  CAS-BOT-BC269787  Eriogonum nudum var. pauciflorum James L. Reveal; Caroline G. Reveal 1972-8-9 2869 Riverside San Jacinto Mountains, along California Highway 243, about 0.1 mile northwest of the Vista Grande Ranger Station at the turnoff to Indian Creek Comment
  POM307287  Eriogonum parishii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2132 Riverside Santa Rosa Mountains. Comment
  RSA339342  Eriogonum pusillum Robert F. Thorne, W. A. Tilforth 1980-5-28 54174 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  RSA799084  Eriogonum pusillum Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6881 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  UC1329839  Eriogonum pusillum James E. Cole 1941-5-30 832 Riverside Quail Mountain Joshu Tree National Monument, Quail Mountain 1524 Comment
  SEINET2444091  Eriogonum reniforme C. Davidson 2010-4-1 11643 Riverside Highway 168 to Joshua Tree National Park, ca 1 mile from 1-10. 515 Comment
  CAS-BOT-BC263506  Eriogonum thomasii Geo. B. Grant 1906-4-20 541 Riverside Palm Springs, Colorado Desert Comment
  CAS-BOT-BC263540  Eriogonum thomasii Ira L. Wiggins 1941-3-24 9586 Riverside On east side of Salton Sea, 1 mile north of Imperial County line Comment
  CAS-BOT-BC263541  Eriogonum thomasii Ira L. Wiggins 1941-3-27 9679 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center Comment
  RSA779594  Eriogonum thomasii Duncan S. Bell 2009-3-7 26 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
  SEINET3160073  Eriogonum thomasii G. B. Grant 1906-5-1 440 -6741 Riverside on Colorado desert at Palm Springs Comment
  UCR245258  Eriogonum thomasii Jim Andre 2012-3-19 21296 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  CAS-BOT-BC262878  Eriogonum thurberi A. J. McClatchie 1896-7-7 1162 Riverside Pala Comment
  RSA65309  Eriogonum thurberi F. W. Peirson 1922-5-19 4204 Riverside 5 miles northeast of Murrieta. Comment
  SBBG121989  Eriogonum thurberi S. D. White with J. H. Jones 2005-5-24 11100 Riverside Banning Pass area; Cabazon, San Gorgonio River wash and adjacent alluvial flats and benches to west 573 Comment
  SBBG65499  Eriogonum trichopes S. G. Stokes 1933-4-9 51 Riverside S of Palm Springs Comment
  RSA420617  Eriogonum wrightii var. membranaceum C. M. Dammers 1933-10-27 s.n. Riverside Gavilan Hills. Comment
  RSA761869  Eriogonum wrightii var. membranaceum Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 647 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  VVC1351  Eriogonum wrightii var. nodosum A. C. Sanders, J. Mac 1996-11-23 19658 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  JOTR30677  Erioneuron pulchellum La Doux, Tasha, Jim Andre 2008-9-13 272 Riverside Joshua Tree National Park. At the base of NW end of Belle Mountain at Pinto Wye Maintenance service area 1103 Comment
  POM357966  Eriophyllum confertiflorum Norman C. Cooper 1944-6-17 1405 Riverside San Jacinto Mtns. West side. 1372 Comment
  UCR165851  Eriophyllum confertiflorum T. B. Salvato, John F. Green 2004-5-27 635 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
  UCR174544  Eriophyllum confertiflorum Jennifer H. Jones 2006-6-6 395 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  UC1536860  Eriophyllum confertiflorum var. confertiflorum G. H. True Jr. 1935-3-15 104 Riverside Gavilan Hills 365 Comment
  RSA33553  Eriophyllum confertiflorum var. trifidum Norman C. Cooper 1944-5-6 1185 Riverside Banning. 701 Comment
  CAS-BOT-BC301784  Eriophyllum multicaule Frank W. Peirson 1922-4-29 2927 Riverside Road to Leach Canon [Canyon], Elsinore Comment
  UCR112977  Eriophyllum multicaule B. G. Pitzer 1998-3-1 3550 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  UCR249827  Eriophyllum multicaule T. B. Salvato, John Lovio 2013-3-19 7366 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  UCR92348  Eriophyllum multicaule Scott D. White, T. Keeler-Wolf 1994-5-8 s.n. Riverside San Jacinto Mtns, Foothills, San Jacinto River wash at eastern edge of Valle Vista 549 Comment
  SEINET8687403 Image available Eriophyllum multicaule I. W. Clokey 1935-4-18 6487 Riverside Gavilan 600 Comment
  CAS-BOT-BC296928  Eriophyllum wallacei John Thomas Howell 1928-3-11 3445 Riverside Garnet Station, Coachella Valley, Colorado Desert 213 Comment
  JOTR35462  Eriophyllum wallacei Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 65 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop4) Comment
  UCR158508  Erodium botrys A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30046 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
  UCR265820  Erodium botrys Mitch Provance 2012-5-24 512- 01 B Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  UCR265564  Erodium cicutarium Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 3 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  UCR97247  Erodium cicutarium Scott D. White 1997-2-28 4720 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UCR97502  Erodium moschatum A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19874 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  SEINET11249631  Erysimum capitatum var. capitatum N. H. Holmgren, L. F. Seong 1969-6-17 3581 Riverside San Jacinto Mountains, Black Mountain, campground at the turnoff to a lookout tower. Comment
  UCSB2347  Erysimum capitatum var. capitatum Kamb, Peter 1947-6-7 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  SD70913  Erythranthe cardinalis Helen V. Witham 1969-7-2 175 Riverside edge of water. De Luz Creek crossing, 4 mil. N. of De Luz 249 Comment
  RSA0019318  Erythranthe guttata R. S. Woglum 1937-5-22 549 Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
  UCD96492  Eschscholzia androuxii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-14 252 Riverside California. Riverside County: Joshua Tree National Park. 835 Comment
  RSA0022975  Eschscholzia androuxii F. W. Peirson 1927-4-11 7153 Riverside 0.5 mile below Whitewater Bridge, head of Coachella Valley. Comment
  CAS-BOT-BC403360  Eschscholzia californica A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19869 Riverside Lake Skinner area: lower Rawson Canyon, just NE of the lake along the road. 457 Comment
  RSA395894  Eschscholzia californica Steve Boyd 1986-4-22 1752 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  UCR241214  Eschscholzia californica Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 51 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon near woodland stand H-02 945 Comment
  JOTR37714  Eschscholzia minutiflora Hodges, Stephen R. 2016-3-1 639 Riverside Joshua Tree National Park. Eagle Mountains, Along road leading to Pinto Wells north of park boundary. Comment
  RSA457769  Eschscholzia minutiflora Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2116 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UCR180229  Eschscholzia minutiflora Scott D. White, Pam Devries 2006-3-14 11257 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  UCR3003  Eschscholzia minutiflora Wm. Horn Jr. 1963-3-23 630323- 5 Riverside Western Colorado Desert, Box Canyon Road (Calif. Hwy 195 ), 8 mi SE of Mecca, 75 yards south of the road. 61 Comment
  UCD95447  Eschscholzia papastillii William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCD96520  Eschscholzia papastillii Shannon M. Still 2009-2-21 439 Riverside California. Riverside County. 229 Comment
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Sep 2 2017
  HSC83079  Eschscholzia parishii A. C. Sanders, Charlton, Pitzer, Stewart 1986-3-2 6061 Riverside Graham Pass, between the chuckwalla and Little Chuckwalla Mtns. 503 Comment
  UC1093127  Eschscholzia parishii Richard Snow 1952-4-13 6 Riverside Box Canyon Orocopia Mts. Comment
  UCR101588  Eschscholzia parishii 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
  UCR167412  Eschscholzia parishii John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR241792  Eucalyptus camaldulensis A. C. Sanders, Timothy W. Chumley 2013-3-29 40711 Riverside Peninsular Range; Elsinore Area, Alberhill, Lake St. at Riverside Co. conservation reserve, 0.28 km south of intersection with Temescal Canyon Rd. 378 Comment
  UCR163795  Eucalyptus polyanthemos John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 2.5 miles NNW of Squaw Mountain near the Cleveland Nat. Forest boundary, SW foot of hill 2414 747 Comment
  POM256724  Eucrypta chrysanthemifolia W. Pequegnat 1940-4-13 s.n. Riverside Bedford Truck Trail. Santa Ana Mountains. 793 Comment
  SD126650  Eucrypta chrysanthemifolia Ed LaRue 1989-3-30 Riverside Rancho California, ca. 4.0 miles west of Temecula, with Ave. del Oro as the north boundary. 381 Comment
  SD130318  Eucrypta chrysanthemifolia Ed LaRue 1990-4-13 Riverside 0.t mile northwest of Aguanga, north of Highway 79 and west of Highway 371. 640 Comment
  RSA678425  Eucrypta chrysanthemifolia var. chrysanthemifolia Michael Wall 2003-4-15 269 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
  SDSU14244  Eucrypta chrysanthemifolia var. chrysanthemifolia Ingrid Poulin 2002-3-22 10 Riverside Santa Margarita Ecological Reserve; Red Mountain Truck Trail, 0.6 miles northeast of N. Stagecoach Lane. 216 Comment
  RSA303488  Euonymus occidentalis var. parishii S. L. Gaponoff 1974-6-16 42 Riverside Mr. San Jacinto, Dark Canyon, San Jacinto River. 1756 Comment
  RSA615334  Euphorbia eriantha George K. Helmkamp 1998-2-18 2691 Riverside Sonoran (Colorado) Desert Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  RSA608560  Euphorbia lurida R. S. Woglum 1941-6-12 3054 a Riverside Idyllwild. Comment
  UCR114025  Euphorbia maculata Mitch Provance 2000-6-24 2048 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR188698  Euphorbia micromera J. M. Stewart 1989-10-17 614 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, c. 10 mi west of Wiley's Well 305 Comment
  UCR241542  Euphorbia micromera A. C. Sanders, Ann Howald 2013-2-27 40542 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  RSA696840  Euphorbia polycarpa Mary Edmunds 1932-3-24 s.n. Riverside Oasis. [Coachella Valley? County not specified] Comment
  UCR214124  Euphorbia polycarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37732 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
  POM177935  Euphorbia polycarpa var. hirtella Joseph A. Ewan 1931-2-23 4046 Riverside Dry sand of desert canyon wash . Devils Canyon above Coral Reef Ranch. Comment
  RSA653712  Euphorbia polycarpa var. hirtella Scott D. White 2000-3-23 7635 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion. 152 Comment
  UCD142719  Euphorbia polycarpa var. hirtella Geoffrey Levin 1975-4-5 464 Riverside Indio Hill Mountain Range. Jcn. of Ramon Rd. and 1000 Palms Canyon Rd. 91 Comment
  UCR239869  Euphorbia serpillifolia O. F. Clarke 2004-5-8 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  OBI29470  Euphorbia setiloba David J. Keil, Melissa Luckow 1979-8-31 13154 Riverside Jctn of Box Cyn Rd and I-10 just S of exit ramp at wash crossing Comment
  UCR102927  Euphorbia setiloba George K. Helmkamp, E. A. Helmkamp 1998-2-5 2686 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  CLARK-A1528-537  Eustoma exaltatum John C. Roos 1951-9-25 5259 Riverside Riverside 259 Comment
  RSA736731  Euthamia occidentalis Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10686 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  RSA721884  Fagonia laevis J. Mark Porter, Orlando Mistretta 2003-6-5 13623 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range.Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running southeast. 412 Comment
  SD107800  Fagonia laevis Barry Prigge, L. Martinez 1978-3-23 2428 Riverside NW Colorado Desert, 1.2 miles E of Sky Valley, near Dillon X Skyridge Roads 1100 Comment
  UCR277634  Fagonia laevis A. C. Sanders, Jim Malusa 2017-1-14 42659 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
  RSA731016  Fagonia pachyacantha M. Wall 2008-4-26 456 Riverside Chuckwalla Valley; along Chuckwalla Rd. just east of junction with Dupont Rd. 161 Comment
  CLARK-A1528-4658  Festuca microstachys John C. Roos 1937-5-10 2071 Riverside Lake Elsinore Comment
  UCR2400  Festuca microstachys F. M. Reed 1920-7-14 4403 Riverside San Jacinto Mtns., Places about Idlywild 1646 Comment
  UCR16071  Festuca myuros H. C. Sharma 1976-4-26 760426- 02 Riverside Woodcrest, c. 2 miles from Woodcrest on Firethorn Ave 335 Comment
  UCR174097  Festuca myuros A. C. Sanders 2006-5-19 32464 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
  UCR202438  Festuca myuros Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  RSA343868  Filago gallica R. F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60660 Riverside Santa Rosa Plateau: at edge of Cleveland National forest 610 Comment
  UCR158330  Filago gallica A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30056 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
  POM11930  Forestiera pubescens P. A. Munz, I. M. Johnston 1922-5-21 5511 Riverside Hemet Valley. 2 miles below Kenworthy, San Jacinto Mts. 1402 Comment
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Mar 25 2011
  RSA113900  Forestiera pubescens G. R. Campbell 1955-12-6 21504 Riverside S Tillett, Hwy 74, 17 miles SE of Mountain Center on road to Palm Springs. Riverside County. Comment
  RSA489133  Frangula californica subsp. cuspidata Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  RSA192019  Frasera parryi E. W. Lathrop 1960-6-10 4996 Riverside 8 miles west of Murrieta. Comment
  UCR137358  Frasera parryi 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
  CAS-BOT-BC211018  Fraxinus velutina A. C. Sanders; O. F. Clarke 1991-6-10 11132 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Sprng Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UC217971  Fraxinus velutina P. A. Munz and I. M. Johnston 1922-5-7 5279 Riverside Keyes Ranch Little San Bernardino Mts. 1066 Comment
  UCR119846  Fraxinus velutina T. P. Krantz, K. Berg 1978-1 s.n. Riverside San Jacinto Mtns., Mellor Creek, near confluence of Mellor Creek and Indian Creek, up the creek c. 50 m from FS road 4S10 Comment
  CAS-BOT-BC130239  Fritillaria biflora Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-29 3907 Riverside Vail Lake area, summit of 'Big' Oak Mtn 822 Comment
  RSA458584  Funastrum cynanchoides var. hartwegii Christopher Davidson, B. Gustafson 1977-4-7 5595 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. 610 Comment
  UCR256803  Funastrum cynanchoides var. hartwegii T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7865 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 500 Comment
  CLARK-A1045-87  Galium andrewsii George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains ca. 2 miles up [east northeast] from Oak Spring; Lake Fulmor 7.5'Q Comment
  UCSB9392  Galium andrewsii Haller, Norman 1953-5-24 Riverside Hwy. 74, Vandeventer Flats, 5 miles W. of Pinyon Flats, San Jacinto Mts. 1524 Comment
  RSA0127736  Galium andrewsii M. M. Fuller 1993-5-8 s.n. Riverside S of Beaumont, about 2 mi S of [Interstate] 10 and 1 mi E of [Highway] 79. Comment
  CAS-BOT-BC223033  Galium angustifolium B. Pitzer 1997-3-23 2955 Riverside Lakeview Mtns, ca. 1 air mi. SSW of Mt. Rudolph, along powerline rd .3 mi. E of Contour (Juniper Flats) Rd. 610 Comment
  CAS-BOT-BC223035  Galium angustifolium A. C. Sanders 1995-4-13 16483 Riverside San Bernardino Mtns./Colorado Desert: Devil's Garden, E end of the mtns., 2.1 mi. W of Hwy 62 on Pierson Av. & dirt extension, 1.7 mi. above Sierra Bl. 800 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
  SDSU12910  Galium angustifolium subsp. angustifolium Jutta Buschbom 1991-6-1 49 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  RSA0018468  Galium angustifolium subsp. jacinticum Peter Guiden, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 86 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA0022211  Galium aparine D. W. Stevens 1966-5-21 834 Riverside Thomas Mt. Camp. Comment
  JOTR32840  Galium multiflorum La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1481 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; granitic bouldery slopes above wash 1260 Comment
  UC1143089  Galium nuttallii subsp. nuttallii R. St. John 1931-2-18 185 Riverside sw Murrieta; Elsinore Quadrangle Comment
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Nov 27 2011
  JEPS9482  Galium parishii Carl V. Meyer 1928-7-27 564 Riverside Hidden Lake San Jacinto Mts. 2712 Comment
  SD70520  Galium porrigens var. porrigens Lauramay T. Dempster, G. Ledyard Stebbins 1966-6-17 4240 Riverside Poppet Flat at Keyes Drive, San Jacinto Mountains 1096 Comment
  POM68616  Galium stellatum Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  UCR25406  Galium stellatum subsp. eremicum John C. Roos, Lucille Roos 1949-4-6 4144 Riverside Sonoran (Colorado) Desert, Canyon in the Orocopia Mountains, 2.5 mi. NE of Dos Palmas Spring 152 Comment
  JOTR16841  Galium stellatum var. eremicum Vanderspek & Youse 1976-2-7 4 /19/1964 Riverside Joshua Tree National Park. WILSON CANYON Comment
  UCR112474  Gamochaeta pensylvanica A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23324 Riverside Coachella Valley, along Dillon Rd. at junction with Tyler, north of I-10, east of Indio and north of Coachella 5 Comment
  UCR34932  Gamochaeta pensylvanica L. B. Ziegler 1977-3-20 560 Riverside Cismontane; San Jacinto Valley, City of San Jacinto 473 Comment
  UCR173929  Gamochaeta stagnalis A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32564 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 587 Comment
  RSA97228  Garrya flavescens var. pallida F. W. Peirson 1921-3-21 4464 Riverside Gordon trail from Andreas Canyon, San Jacinto Mts. 1524 Comment
  CAS-BOT-BC158072  Garrya veatchii S. B. Parish 1918-4-3 11697 Riverside Brush lands, San Jacinto River Comment
  POM355383  Gayophytum diffusum subsp. parviflorum E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  POM48902  Gayophytum diffusum subsp. parviflorum P. A. Munz 1924-7-27 8850 Riverside 7 miles SE of Poppet Flat. San Jacinto Mountains. 1524 Comment
  SD229208  Gayophytum diffusum subsp. parviflorum Dick Schwenkmeyer 2012-9-18 834 Riverside Skunk Cabagge Meadow, 3 mi. (via trail) east od Humber Park, Idyllwild. 2432 Comment
  SBBG32350  Geraea canescens L. S. Rose 1967-12-20 67183 Riverside ca. 6 mi SE of Thousand Palms 15 Comment
  POM250437  Gilia angelensis I. W. Clokey, B. C. Templeton 1930-4-9 s.n. Riverside North of Banning. 1100 Comment
  SEINET2445411  Gilia angelensis Daphne K. Christopher, Hannah Stevens 2003-4-6 106 Riverside Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  UCR120647  Gilia angelensis D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1792 A Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR225729  Gilia angelensis A. C. Sanders, T. B. Salvato 2011-3-30 38898 Riverside Peninsular Range, city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  UCR133440  Gilia capitata Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 201 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  UCR42390  Gilia capitata D. C. Hawks 1986-4-16 s.n. Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, Alta Mesa wind turbine field, on the ridge above Whitewater Canyon, west of Bonnie Bell 915 Comment
  RSA633321  Gilia capitata subsp. abrotanifolia R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38081 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  UC489136  Gilia capitata subsp. abrotanifolia C. V. Meyer June 1927-June 1929 Riverside Saunder's Meadow , Saunder's Meadow (San Jacinto Mts.) 1676 Comment
  SEINET14643485  Gilia diegensis H. M. Hall 1902-1 2913 Riverside Vicinity of Winchester. 457 Comment
  UC23644  Gilia diegensis H. M. Hall 1899-5-20 1122 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley 1600 Comment
  UCR30162  Gilia latifolia A. C. Sanders 1983-4-24 3803 Riverside Sonoran (Colorado) Desert, E side of the Salton Sea, at the mouth of Salt Creek, 2 mi. north of the Imperial County line along Hwy 111 -70 Comment
  CAS-BOT-BC407610  Gilia ochroleuca subsp. exilis K. Watkins; E. McClintock 1937-4-9 s.n. Riverside 1 mi. W of San Jacinto Comment
  CAS-BOT-BC407611  Gilia ochroleuca subsp. exilis M. Bourell; R. Patterson; S. Timbrook 1986-4-7 2953 Riverside Temescal Canyon Rd., ca. 1 mile SE of Glenn Ivy Hotsprings Rd., ca. 200 m from RR overpass. 259 Comment
  RSA0017097  Gilia ochroleuca subsp. exilis Steve Boyd, Dave Bramlet 1991-5-13 6254 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Road. 549 Comment
  SBBG101681  Gilia ochroleuca subsp. exilis S. Boyd 1986-4-19 1703 Riverside E side of Indian Wash between Interstate 15 and Temescal Cyn Rd; Temescal Cyn Comment
  RSA0017275  Gilia ochroleuca subsp. exilis F. W. Peirson 1938-5-30 12413 Riverside Thomas Mountain, Hemet Valley. 1402 Comment
  RSA782089  Gilia scopulorum Duncan S. Bell 2009-3-7 6 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  UCR169308  Gilia splendens T. B. Salvato, John F. Green 2004-5-27 591 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
  RSA469737  Gilia stellata Albert J. Perkins, de Forest 1937-3-15 424 Riverside Just W of Desert Center Comment
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Apr 14 2013
  SJSU8432  Gilia stellata R. C. McGehee 1970-4-30 246 Riverside 4 mi W of Corn Springs, Chuckwalla Mts, 18 mi SE of Desert Center Comment
  JOTR00893  Gilia stellata Sipe, Frank 1958-3-10 266 Riverside Joshua Tree National Park. PINTO BASIN Comment
  SEINET7063450  Gilia tenuiflora A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage on the East Benton Road. Tucalota Valley. UTM Zone 11, 501776mE, 3714976mN. (WGS84/NAD83). 556 Comment
  SD181699  Gnaphalium Scott D. White 2000-5-30 7970 Riverside Ca. 1.0 mile southeast of the I-15/ El Cerrito Road junction adjacent to new housing construction. 334 Comment
  RSA494626  Gnaphalium californicum Maureen H. Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  RSA659556  Gnaphalium californicum P. Shirokawa 1998-5-15 34 Riverside Cleveland National Forest- Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 808 Comment
  RSA666648  Gnaphalium californicum A. C. Sanders, Kent Beaman 2002-5-10 25045 Riverside Santa Ana Mtns., Santa Rosa Plateau: hills west of the head of De Luz Creek, 0.4 mi south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral. 671 Comment
  UCR130262  Gnaphalium leucocephalum Robert Noll 2003-9-24 s.n. Riverside San Jacinto River at Lake/Main St. crossing, east edge of San Jacinto 488 Comment
  UCR147705  Gnaphalium luteoalbum Steve Boyd, Aydee Virgen 2004-4-13 108665 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR158136  Gnaphalium luteoalbum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30118 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
  UCR266605  Gnaphalium palustre Mitch Provance 2011-6-6 17004 Riverside Edgemont area of Moreno Valley, from the northbound I-215 onramp at Allesandro Blvd., east to Old 215 Frontage Rd. 466 Comment
  RSA289828  Gutierrezia californica B. A. Prigge 1980-8-25 4018 Riverside Colorado Desert, Coachella Valley, 1 mile E of Palm Springs Station 341 Comment
  RSA593377  Gutierrezia californica Scott D. White 1996-7-23 4357 Riverside Pinyon Flat Area: N of Hwy 74, ca. 10 road miles E of jct. w/Hwy 371. W facing slope of Sugarloaf Mtn. and adjacent valley. 1250 Comment
  UCSB45957  Gutierrezia californica Roos, John 1965-6-21 Riverside The hills 2 miles south of Beaumont Comment
  RSA0121079  Gutierrezia microcephala Sherwin Carlquist 1958-10-12 630 Riverside Riverside - San Bdo. co. line. Comment
  UC55182  Gutierrezia sarothrae H. M. Hall 1902-4-1 2968 Riverside vicinity Riverside 304 Comment
  UC1979566  Harpagonella palmeri Darin L. Banks, Steve Boyd 1995-5-9 398 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  UCR225448  Hedypnois cretica A. C. Sanders 2011-3-29 38836 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 near Crumpton Rd. 495 Comment
  SDSU13563  Helianthus annuus W. Miller with C. Mosse 1972-7-11 Riverside Comment
  POM203026  Helianthus gracilentus Marcus E. Jones 1934-5-10 s.n. Riverside Elsinore Comment
  UCR177706  Helianthus gracilentus Michael Wall 1996-7-1 166 Riverside Transverse Ranges; San Bernardino Mtns., Cherry Valley, Beaumont Ave./Oak Glen Rd, 2.6 mi N of Cherry Valley Blvd, top of steep E slope of Little San Gorgonio Creek 1037 Comment
  SBBG132103  Helianthus nuttallii subsp. nuttallii S. D. White 2003-10-9 9816 Riverside Pine Cove, Lily Crk just N of crossing at Hwy 243; San Jacinto Mtns 1738 Comment
  RSA793470  Heliotropium curassavicum Duncan S. Bell 2012-9-13 4192 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  SEINET959641  Heliotropium curassavicum A. C. Sanders 2004-1 28404 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft) 1 mi. E of Nurrieta Rd. and 1 mi. N of Burdy Canyon Rd,. ca. 5 mile due south of Sun City (Romoland 7.5) 469 Comment
  UCR21853  Heliotropium curassavicum 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
  UCSB5611  Heliotropium curassavicum Feudge, J.; Kraebel, C. 1930-7-23 Riverside North of Riverside Comment
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Mar 22 2014
  RSA653356  Heliotropium curassavicum var. oculatum Robert MacGregor 1984-5-19 2 Riverside Lake Elsinore, CA Hwy 74, 1 mile W of junction with 15W Fwy, N side of road. Comment
  UCR214318  Hemizonia kelloggii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38393 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
  RSA656543  Hemizonia paniculata A. C. Sanders 2000-5-25 23423 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  RSA683236  Hemizonia paniculata Scott D. White 2003-12-1 9890 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  UCR155811  Hemizonia paniculata John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR166795  Hemizonia paniculata R. E. Riefner Jr. 2004-8-27 04- 398 Riverside N of La Sierra Heights; NE (c. 0.25 mi) off Arlington Avenue, along dirt access road to Hidden Valley Wildlife Reserve 221 Comment
  UCR21957  Hemizonia pungens subsp. laevis Steve Boyd 1980-5-13 268 Riverside Gavilan Hills, Harford Springs County Park, at NW corner of the Gavilan Plateau 640 Comment
  UCR89822  Hemizonia pungens subsp. pungens Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  UC119823  Hesperocallis undulata F. Stephens 1895-3-29 Riverside s of Salt Creek (below old Sea Beach, Colorado Desert); Colorado Desert Comment
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Mar 12 2011
  RSA525696  Heterocodon rariflorum Steve Boyd, Timothy S. Ross 1990-5-11 4634 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UCR132420  Heteromeles arbutifolia A. C. Sanders 2004-2-6 27383 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, canyon along north side of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 442 Comment
  UCR174367  Heteromeles arbutifolia A. C. Sanders 2006-5-19 32408 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
  RSA485842  Heterotheca fastigiata Thomas S. Elias, Steve Boyd, Kit Tan 1986-7-23 10160 Riverside San Jacinto Mountains: Along Route 74, 3.8 miles South of Lake Hemet 1372 Comment
  SD137874  Heterotheca sessiliflora subsp. echioides Darin L. Banks, Steve Boyd 1995-10-17 785 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest; along lower Arroyo Seco, south of the Dripping Springs Campgroud 515 Comment
  CAS-BOT-BC310833  Heterotheca sessiliflora subsp. fastigiata Mary F. Spencer 1919-7-8 1268 Riverside Idyllwild, San Jacinto Mt. 1615 Comment
  LA208988  Heuchera caespitosa M. Hilend; 1928-8-7 Riverside Summit- San Jacinto Peak Comment
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May 22 2018
  RSA28084  Hibiscus denudatus I. L. Wiggins 1941-3-27 9691 Riverside 8.2 miles west of Shaver s summit. Comment
  UC666416  Hibiscus denudatus Annie M. Alexander and Louise Kellogg 1941-5-27 2245 Riverside <Chuckawala> Bench Colorado Desert, <Chuckawala> Bench 548 Comment
  UCR114115  Hibiscus denudatus B. G. Pitzer, J. Ross 1998-3-8 3610 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  RSA4929  Hoffmannseggia glauca C. B. Wolf 1932-4-28 s.n. Riverside Chuckwalla Valley, 20 miles west of Blythe on Mecca Road 122 Comment
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Mar 26 2011
  CAS-BOT-BC207556  Hoffmannseggia microphylla Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio Comment
  SBBG29199  Hoffmannseggia microphylla K. K. Muller 1967-9-14 1419 Riverside 5 mi E of Indio Comment
  PASA2170  Hofmeisteria pluriseta Frank W. Peirson 1927-4-12 Riverside Painted Canyon Comment
  RSA680515  Holodiscus microphyllus var. sericeus Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8638 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UCR140309  Hordeum depressum A. C. Sanders 2004-4-9 27478 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, vicinity of Rose Rd. 457 Comment
  RSA609948  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
  UCR117386  Hordeum marinum A. C. Sanders, T. B. Salvato 2001-5-25 24392 Riverside San Jacinto Valley, west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  RSA729802  Hordeum marinum subsp. gussoneanum R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51993 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  SEINET271519 Image available Hordeum marinum subsp. gussoneanum A. C. Sanders, K. D. Jones; D. Malueg 1996-4-20 18061 Riverside San Jacinto River between Nuevo and Lakeview from 11th to 13th Streets alkaline flats along the east side of the river 433 Comment
  CLARK-A1528-1952  Hulsea vestita subsp. callicarpha John C. Roos 1946-8-27 2783 Riverside Santa Rosa Mountains 2407 Comment
  UC1483322  Hulsea vestita subsp. callicarpha C. W. Tilforth and W. Wisura 1979-10-11 1922 Riverside 10.4 mi from n junction with Highway 74. s of Lake Hemet; Thomas Mtn. Road Comment
  UC520000  Hydrocotyle umbellata Joseph Andorfer Ewan 1932-7-9 7494 Riverside Santa Ana R. at Rincon (Prado); Santa Ana R., Rincon (Prado) Comment
  UCR149981  Hydrocotyle umbellata Scott D. White, Angelia Carey 2004-5-7 10329 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  POM294268  Hymenoclea salsola Lyman Benson 1945-4-6 11660 Riverside Whitewater Canyon, 3 miles above Whitewater; San Bernardino Mts.; Drainage area: Colorado Desert. 427 Comment
  POM48452  Hymenoclea salsola P. A. Munz 1925-3-7 9348 Riverside Painted Canyon, Mecca. Comment
  UCR34973  Hymenoclea salsola L. B. Ziegler 1967-6-8 157 Riverside San Jacinto Mtns., Pinyon Flats 1223 Comment
  POM259258  Hymenopappus filifolius var. lugens P. A. Munz 1938-8-14 15382 Riverside East of Toro Peak 2287 Comment
  POM48402  Hypericum formosum var. scouleri P. A. Munz, I. M. Johnston 1924-7-28 8806 Riverside Pine Flats 1738 Comment
  POM254338  Hypochaeris glabra P. A. Munz 1941-5-18 16661 Riverside North end of Santa Rosa Ranch, Elsinore Mts. Comment
  RSA180321  Hypochaeris glabra E. W. Lathrop 1965-4-25 5672 Riverside 4 miles southwest of Murrieta on the De Luz Road. Comment
  JEPS63226  Hyptis emoryi W. L. Jepson 1912-10-30 5250 Riverside Black Point Colorado River, , Black Point (Riverside Mts.) 88 Comment
  RSA516910  Hyptis emoryi Steve Boyd, Orlando Mistretta 1986-3-13 1451 Riverside West Side Palen Mts: NE of Desert Center; first large canyon at NW tip of western segment of range. Comment
  RSA608060  Hyptis emoryi Louis C. Wheeler 1931-2-7 s.n. Riverside Palm Springs. Comment
  RSA703383  Hyptis emoryi LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1410 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  SEINET2444034  Hyptis emoryi C. Davidson 2010-4-1 11663 Riverside Highway 168 to Joshua Tree National Park, ca 3.6 miles from 1-10. 721 Comment
  SEINET10498864  Hyptis emoryi David B. Dunn 1948-6-17 Dunn 3815 Riverside Ravine below quad 4 dry coudit. At camp in pushawalla canyon under palms Comment
  SEINET10572093  Isocoma acradenia Robert M. King, Robert M. Garvey 2000-2-16 King 11243 Riverside Indian Canyons, south of Palm Springs Comment
  CAS-BOT-BC311605  Isocoma acradenia var. eremophila Carl B. Wolf 1941-1-5 9817 Riverside Caleb, Colorado Desert 60 Comment
  CAS-BOT-BC311614  Isocoma acradenia var. eremophila S. B. Parish 1912-10-8 8353 Riverside Salton Basin. Indio -6 Comment
  RSA0009749  Isocoma acradenia var. eremophila Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  UCR181607  Isocoma menziesii var. menziesii Mitch Provance 2004-5-1 7602 Riverside Granitic Knolls of Riverside, Riverside, W side of Versity Hill (Coyote Hill), south side of the UCR campus 396 Comment
  POM153346  Isocoma menziesii var. vernonioides P. A. Munz, I. M. Johnston 1928-9-12 11306 Riverside Dry flats near Lake Elsinore Comment
  POM319665  Isocoma menziesii var. vernonioides Patricia Wilder 1971-11-11 5302 Riverside Along Santa Ana River, north off of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. Drainage Area: Santa Ana River. 229 Comment
  SD227747  Isocoma menziesii var. vernonioides A. C. Sanders, K. C. Rose 1998-9-29 22244 Riverside San Jacinto Valley: west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  RSA234046  Isoetes howellii R. F. Thorne, E. W. Lathrop 1969-5-12 37942 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  UC196112  Isomeris arborea S. B. and W. F. Parish Apr 1882 28 Riverside Whitewater Colorado Desert (borders of Colorado Desert) Comment
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Jul 15 2009
  UC857722  Isomeris arborea I. W. Clokey and E. G. Anderson 1935-4-17 6641 Riverside Cottonwood Springs Comment
  UC1523439  Ivesia saxosa Robert F. Thorne, Rolf and Gertrud Dahlgren 1979-8-22 53577 Riverside base of Ryan Mountains (vicinity of Ryan Camp); Joshua Tree National Monument 1341 Comment
  UCR127543  Juglans A. C. Sanders, T. B. Salvato 2003-5-21 26783 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR159205  Juncus bufonius var. congestus A. C. Sanders, Kelly Volansky 2005-8-31 31566 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
  RSA741157  Juncus bufonius var. occidentalis Scott D. White, Justin M. Wood 2008-5-15 11993 Riverside Johnson Meadow. 1415 Comment
  UC842850  Juncus bufonius var. occidentalis P. A. Munz 1922-5-5 5161 Riverside 0.5 mi n March Field Comment
  POM259160  Juncus effusus subsp. austrocalifornicus Phillip A. Munz 1938-8-14 15367 Riverside Head of Black Rabbit Canyon, Toro Peak, Santa Rosa Mountains. 2378 Comment
  VVC527  Juncus longistylis A. C. Sanders, J. Mac 1997-5-4 20693 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  RSA511037  Juncus luciensis Robert F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51980 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  RSA0123702  Juncus macrophyllus Duncan S. Bell, Thomas Stoughton 2016-4-12 9236 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.75 air miles northwest of Rabbit Peak. 698 Comment
  RSA768247  Juncus mexicanus Justin M. Wood 2010-5-19 1845 Riverside Santa Ana River: +/- 1.4 miles downstream of Prado dam outlet, just NW of Green River Housing Estate. 131 Comment
  UC1601830  Juncus oxymeris H. M. Hall 1897-8-12 837 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  UCR193528  Juncus oxymeris A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35564 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, slope below May Valley Rd. toward meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. 1555 Comment
  UCR201685  Juncus oxymeris Scott D. White, Justin M. Wood 2008-6-19 12258 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  UCR57987  Juncus oxymeris Jeri Hirshberg 1989-7-18 s.n. Riverside Vicinity of Lake Skinner: drainage east of the reservoir. Comment
  POM158189  Juncus rugulosus Phillip A. Munz, I. M. Johnston 1928-9-6 11274 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  RSA289846  Juncus rugulosus B. A. Prigge 1980-9-17 4062 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio. -3 Comment
  RSA788095  Juncus rugulosus Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49553 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  UCR113735  Juncus rugulosus Mitch Provance 2000-6-24 2071 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR150024  Juncus textilis Scott D. White, Angelia Carey 2004-5-7 10349 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  RSA284590  Juncus tiehmii C. W. Tilforth, B. Busenberg 1980-6-10 1987 -A Riverside 3.8 miles in from Highway 74 along north leg of Thomas Mountain Road, south of Lake Hemet. Comment
  UCR163045  Juncus xiphioides D. L. Koutnik, Ian Swift 1999-6-19 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, proposed conservation bank in Wilson Creek watershed, north of Aguanga, west of Cahuilla Rd., south of Wilson Valley Rd., east of Sage Rd. 671 Comment
  UCR272500  Juncus xiphioides Mitch Provance 2012-7-25 712- 02 Riverside San Gorgonio Pass, Banning, Smith Creek, NE of West Ramsey St. and Highland Home Rd. 1410 Comment
  RSA33651  Juniperus californica N. C. Cooper 1944-5-20 1306 Riverside Pine Flats, Palms to Pines Hwy. 1220 Comment
  RSA496126  Juniperus californica Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 3003 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  UCR121100  Juniperus californica A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24959 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCSB39091  Juniperus californica Jorgensen, Jan 1982-1-19 Riverside 1 kilometer up Carizzo Road from highway 74 north of palm Desert in San Jacinto Mountains 1100 Comment
  RSA160457  Justicia californica J. D. Olmsted 1958-3-30 91 Riverside Southern drainage toward Salton Sea, Transition zone in first Mtns N of southern entrance, Joshua Tree National Monument. 838 Comment
  UC665866  Justicia californica Ira L. Wiggins 1941-3-27 9689 Riverside 9 mi. w. Desert Center Comment
  UCSB50616  Justicia californica Millett, Barbara 1980-5-18 Riverside Corn Springs Wash, Corn Springs Rd., 7 miles southwest of junction with Chuckwalla Rd. 457 Comment
  JOTR32596  Kallstroemia californica La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2664 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  POM263041  Kallstroemia californica J. C. Roos 1937-8-20 357 Riverside Blythe Comment
  RSA778322  Kallstroemia californica Amber Swanson, Linda Jean Foster 2011-10-8 632 Riverside Sandy flats N off of Blythe Rice Rd. 237 Comment
  JEPS8728  Keckiella antirrhinoides C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-4-15 4742 Riverside Perris to Gavilan Peak 500 Comment
  RSA293252  Keckiella antirrhinoides D. C. Michener 1980-5-8 3660 Riverside San Bernardino NF Bee Canyon: canyon bottom and slopes with Quercus, Heteromeles, Adenostoma, Salvia, etc. 600 Comment
  RSA68309  Keckiella antirrhinoides G. R. Campbell 1951-5-30 16112 Riverside 9 miles west of Anza. 1067 Comment
  RSA714431  Keckiella antirrhinoides A. C. Sanders 2004-5-12 27863 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  SD143711  Keckiella antirrhinoides Andy C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20698 Riverside San Jacinto Mountains: N side of the range, Twin Pines Creek below the confluence with Brown Crk. 854 Comment
  UC454786  Keckiella antirrhinoides J. E. Roadhouse 1905-1 796 Riverside Coldwater Canyon Comment
  UCR93813  Keckiella antirrhinoides var. antirrhinoides P. J. MacKay 1996-6-15 009 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  RSA674939  Koeleria macrantha Scott D. White, Bill La Haye 2000-5-27 7948 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCSB7292  Krameria bicolor Haller, Norman 1953-5-24 Riverside 10 miles So. of Palm Springs Indio Rd. Palms to Pines Hiwy 74 914 Comment
  LA45704  Krameria erecta Virginia Mars; 1951-5-27 sn Riverside Santa Rosa Mountains, Pinon Flats Comment
  UCR1617  Lamarckia aurea R. G. Barber 1962-5-12 s.n. Riverside Peninsular Range, Riverside, north of Big Springs Canyon on the top of Box Springs Mtn. 915 Comment
  UCR21907  Lamarckia aurea Steve Boyd 1980-5-2 156 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  POM352656  Lamarckia aurea N. C. Cooper 1944-4-22 1128 Riverside Banning. 732 Comment
  JEPS69831  Langloisia setosissima subsp. setosissima Mary Beal 1941-4-6 859 Riverside Painted Canyon, Mecca Hills Colorado Desert, Mecca Hills, Painted Canyon Comment
  RSA699275  Larrea tridentata W. Marquart 1938-3-12 s.n. Riverside Along road to Wiley's Well. Southwest of Blythe. Comment
  SEINET4907864  Larrea tridentata H. F. Thut 1971-1-31 s.n. Riverside W of Blythe. 305 Comment
  UC1329965  Larrea tridentata James E. Cole 1941-5-10 700 Riverside Pinto Basin Joshua Tree National Monument (Cholla Patch) 640 Comment
  RSA610612  Lastarriaea coriacea R. S. Woglum 1938-5-1 1605 B Riverside Peninsular Ranges: South of Hemet; San Jacinto Valley west of San Jacinto Mountains. Comment
  RSA771681  Lastarriaea coriacea Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4984 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 750 Comment
  SD247475  Lastarriaea coriacea Andy Sanders, J. Schweitzer, K. Young 2015-3-23 41447 Riverside San Gorgonio Pass: San Gorgonio River wash, about 3.7 miles east of Cabazon, about 1.25 miles NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms. 427 Comment
  UC1979559  Lasthenia californica Darin L. Banks, Steve Boyd 1995-5-3 288 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  RSA713827  Lasthenia coronaria A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23903 Riverside Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. NE Murrieta. 396 Comment
  UCSB6390  Lasthenia coronaria Ralph, F. 1960-4-1 Riverside White Water Canyon, 1.6 miles N of U.S. Hwy. 99; western edge of Colorado Desert Comment
  UCR189563  Lasthenia glabrata subsp. coulteri Diane Menuz 2006-5-9 078 Riverside Peninsular Range, Perris Basin, San Jacinto Wildlife Area, across the street from main headquarters and information booth 432 Comment
  UCR96797  Lasthenia gracilis G. F. Pratt 1997-3-19 s.n. Riverside March Air Force Base, SE of Arnold Heights & east of Alessandro Blvd. 460 Comment
  RSA406643  Lathyrus vestitus N. C. Cooper 1949-6-29 4300 Riverside East side of San Jacinto Mountains. 1524 Comment
  UCR193873  Lathyrus vestitus A. C. Sanders, Mitch Provance 2008-7-11 35818 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  UCR35018  Lathyrus vestitus subsp. vestitus L. B. Ziegler 1967-4-18 115 Riverside San Jacinto Mtns, Foothills of the mountains, Soboba Indian Reservation, Poppet Flat Rd 581 Comment
  CAS-BOT-BC321563  Layia glandulosa Peter H. Raven 1958-5-5 12904 Riverside West of Split Rock Tank, Joshua Tree National Monument Comment
  JEPS40026  Layia glandulosa W. L. Jepson 1901-5-19 1280 Riverside Strawberry Valley; San Jacinto River Canyon 640 Comment
  RSA747957  Layia platyglossa Justin M. Wood 2009-5-15 711 Riverside Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  SD119903  Layia platyglossa Louis B. Ziegler 1966-6-21 49 Riverside San Jacinto Mountains, meadowy slope between Mountain Center and Keen Camp Summit. 1449 Comment
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May 31 2013
  SDSU17519  Layia platyglossa Jerry Jenkins 2001-4-3 2001 -030 Riverside Santa Margarita Ecological Reserve. Ravine south of S. M. River, UTM zone 6, 482400E, 3700400N. UTM transfered to GIS. Comment
  RSA180322  Layia platyglossa subsp. campestris E. W. Lathrop 1960-4-8 4746 Riverside 14 miles W of Murrieta. Comment
  RSA190628  Layia ziegleri L. B. Ziegler 1966-6-10 s.n. Riverside Between Mountain Center and Keen Camp Summit, San Jacinto Mts. 1448 Comment
  RSA748054  Layia ziegleri Justin M. Wood 2009-5-11 692 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  RSA502516  Lemna minor Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3573 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  SD262245  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. Disturbed vernal pools. 385 Comment
  UCR265598  Lepidium didymum Jordan Zylstra 2014-3-18 14012 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  CAS-BOT-BC154109  Lepidium fremontii N. Aitkenhead 1977-2-2 s.n. Riverside S-O line SW of radio tower top of Chuckwalla Mnts. Comment
  CAS-BOT-BC89442  Lepidium fremontii K. Larson 1976-6-9 2022 Riverside Ca. 25 miles east of Indio. Comment
  UCR89573  Lepidium fremontii Bern Schwenn 1994-4-9 s.n. Riverside Southern Mojave Desert, Little San Bernardino Mtns, Joshua Tree National Monument [now National Park]: 'Hidden Gold' Canyon below the Hidden Gold Mine. In 3rd canyon on N side 1085 Comment
  UCSB39077  Lepidium fremontii Jorgensen, Jan 1982-3-21 Riverside South entrance to Joshua Tree National Monument 600 Comment
  UC494748  Lepidium lasiocarpum var. lasiocarpum Philip A. Munz and C. L. Hitchcock 1932-4-9 12227 Riverside White Tanks, e Riverside County White Tanks Comment
  CAS-BOT-BC89753  Lepidium latipes A. C. Sanders 1993-5-12 14000 Riverside Hemet, southwest corner of the intersection of Florida Avenue (Highway 74) and Warren Road. 457 Comment
  UCR126377  Lepidium nitidum A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 686 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCSC000316  Lepidium virginicum var. medium I. J. Condit 2010-6-21 s.n. Riverside San Jacinto Mts., Strawberry Valley 1676 Comment
  RSA543754  Lepidium virginicum var. robinsonii Steve Boyd, Timothy S. Ross, Mike Hammit 1991-5-2 6074 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  UCR113196  Lepidium virginicum var. robinsonii A. C. Sanders 1998-3-11 21671 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  UCR166805  Lepidium virginicum var. robinsonii R. E. Riefner Jr. 2005-4-1 05- 196 Riverside Hemet, hills SW (c. 0.5 mi) off intersection of California Avenue and Stetson Avenue 497 Comment
  UCR266365  Lepidium virginicum var. robinsonii D. E. Bramlet 2005-5-4 3844 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, west of Hemet, railroad tracks west of California Ave. 456 Comment
  CAS-BOT-BC329439  Lepidospartum squamatum John Thomas Howell 1927-8-1 2905 Riverside Lower part of Morongo Canon, N Colorado Desert 609 Comment
  JEPS49057  Lepidospartum squamatum Lewis S. Rose 1966-12-14 66103 Riverside n Palm Springs (desert); Whitewater Wash 198 Comment
  RSA697080  Lepidospartum squamatum Anonymous 1928-11-12 381 Riverside Aguanga. Comment
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Oct 23 2011
  UC1518848  Lepidospartum squamatum Robert F. Thorne, Kay L. Wright and Richard K. Benjamin 1982-10-8 55352 Riverside near Whitewater Post Office mouth of Whitewater Canyon; San Bernardino Mts. 411 Comment
  RSA0018892  Leptochloa Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6028 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  RSA557338  Leptochloa fusca subsp. uninervia Julie Greene, Scott White 1993-7-5 1385 Riverside San Jacinto Wildlife Area, On raised wet area, west of dirt road. 445 Comment
  CLARK-A1528-4715  Leptochloa uninervia John C. Roos, Lucille Roos 1951-10-24 5332 Riverside Riverside 228 Comment
  UC77020  Leptochloa uninervia J. W. Mills 1904-1-1 Riverside Coachella Colorado Desert Comment
  RSA468555  Leptosiphon androsaceus Anstruther Davidson 1920-5-11 s.n. Riverside Temecula. Comment
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Sep 9 2011
  UCSB31638  Leptosiphon ciliatus Griesel, Wesley 1962-6-29 Riverside Dark Canyon, San Jacinto Mountains 1920 Comment
  POM157941  Leptosiphon lemmonii P. A. Munz 1927-5-21 10829 Riverside Coahuila [Cahuilla] Valley. 1220 Comment
  RSA180503  Leptosiphon liniflorus E. W. Lathrop 1959-5-17 4559 Riverside 10 miles W of Murrieta. Comment
  RSA543861  Leptosiphon liniflorus Steve Boyd, D. E. Bramlet 1991-5-31 6253 Riverside Domenigoni Hills, N side of Domenigoni -Diamond Valleys ESE of Winchester. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Rd. 549 Comment
  RSA500979  Leptosiphon parviflorus Steve Boyd, L. Arnseth, T. S. Ross 1989-4-1 3144 Riverside Vail Lake area, ridge along N edge Oak Mountain, 1.5-2.0 miles W of the dam. 518 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
  UCR41532  Lesquerella tenella A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6057 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  CAS-BOT-BC339490  Lessingia glandulifera var. glandulifera Marcus E. Jones 1924-8-30 s.n. Riverside Taquitz [Tahquitz] trail Comment
  UC1287412  Lessingia glandulifera var. glandulifera A. P. Nelson, D. Kaplan 1960-8-13 666 Riverside 1 mi s of Idyllwild; Toll Gate Road Comment
  UCR108866  Lessingia glandulifera var. glandulifera Heidi A. Haid 1968-9-24 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  RSA68359  Lilium parryi Verne Grant, Alva Grant 1951-7-19 16091 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  UCR131530  Limonium duriusculum Samuel Reed 2003-3-24 s.n. Riverside Temecula Valley, Murrieta, west bank of Warm Springs Creek, just east of the Jackson/Elm Street intersection, approximately one mile south of Murrieta Hot Springs Road, just before the creek flows under I -15 305 Comment
  RSA740935  Limosella acaulis Scott D. White, Justin M. Wood 2008-7-9 12437 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  SEINET7072830  Linanthus androsaceus A. G. Vestal 1963-5-19 s.n. Riverside Among granite boulders about 0.9 miles west of Radec on Route 79 [old 71]. Coordinate datum: WGS84/NAD83. (33? deg. 28' 2" North Latitude, -116? deg. 55' 39" West Longitude, Coordinate datum: NAD27.). Comment
  RSA468574  Linanthus androsaceus subsp. luteolus N. C. Cooper 1945-5-24 1631 Riverside Big Oaks Canyon, Banning. 1219 Comment
  UCR277166  Linanthus dianthiflorus Robert J. Steers, Chris E. True 2008-3-25 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Snow Creek Canyon, north of Snow Creek Village NE of where the Pacific Crest Trail crosses Snow Creek Rd. 364 Comment
  RSA523546  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4006 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA643888  Linanthus dianthiflorus subsp. dianthiflorus A. C. Sanders, J. Dice, K. Rose, D. Woodard 1995-3-29 16241 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village. 335 Comment
  UCR267890  Linanthus jonesii Jim Andre 2013-3-4 23861 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  JEPS58459  Linanthus lemmonii Marjorie D. Clary 1932-7-3 975 Riverside near Hemet Lake; Colorado Desert 1341 Comment
  UCR132778  Linanthus lemmonii S. J. Myers 2001-4-26 s.n. Riverside San Jacinto Mtns., Bautista Canyon 854 Comment
  UCR162403  Linanthus lemmonii S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR172806  Linanthus lemmonii Abby Sirulnik 2000-4-13 05 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 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
  RSA696690  Linanthus liniflorus Keith E. Hoffmaster 1937-6-6 s.n. Riverside San Jacinto mountains, near Hemet Lake Comment
  RSA5003  Linaria canadensis var. texana Carl B. Wolf 1932-3-20 3 Riverside Richman Ranch, 2.5 miles no. of De Luz; S.W. Riverside County. 457 Comment
  CAS-BOT-BC434237  Lithophragma Tracy Tennant; Mitch Provance 1998-6-16 MOR- 414 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Millard Canyon, north of Cabazon. 1098 Comment
  UCR280818  Lithophragma affine Mitch Provance 2017-5-4 517- 51 Riverside San Jacinto Mountains, Idyllwild, near corner of Canyon Dr. and Marian View Dr. 1585 Comment
  UCR62104  Lithophragma affine Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mtns., On Thomas Mtn Rd., south of Thomas Mtn. Lookout. Comment
  JEPS5320  Lobelia cardinalis var. pseudosplendens Marjorie D. Clary 1932-8-7 1683 Riverside Colorado Desert, San Jacinto Mountains, Snow Creek Colorado Desert, San Jacinto Mountains, Snow Creek Comment
  RSA700026  Loeflingia squarrosa Scott D. White, Michael Honer 2003-4-25 9099 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  UCR266316  Loeflingia squarrosa D. E. Bramlet 1991-4-30 2091 Riverside Peninsular Range, Shipley Reserve, Crown Valley at NW foot of Black Mtn., transect C-3 732 Comment
  JEPS22571  Loeseliastrum schottii Rimo Bacigalupi with Paul Hutchison 1958-2-19 6203 Riverside 9.4 mi. n. Blythe (wash at w. base of Big Maria Mts.); w. base Big Maria Mts. 167 Comment
  UC572630  Loeseliastrum schottii H. S. Yates 1937-3-23 6398 Riverside 2 mi. n. Palm Springs; San Jacinto Quad. 213 Comment
  UCSB18438  Loeseliastrum schottii Winn, Will 1963-4-8 Riverside U.S. Highway 60-70; 29.6 miles east of Desert Center 243 Comment
  SEINET1869746  Lolium rigidum Walter Graves 2002-1 502 -15 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields. 305 Comment
  UCR22185  Lolium temulentum E. W. Lathrop 1964-6-7 4877 Riverside Redonda Mesa, 14 mi west of Murrieta Comment
  SD120074  Lomatium utriculatum Louis B. Ziegler 1969-5-18 345 Riverside San Jacinto Mountains, Hemet Valley near Pine Meadows, bottom of valley floor 1435 Comment
  RSA296143  Lonicera interrupta B. A. Prigge 1980-8-18 3967 Riverside San Bernardino Mountains, Whitewater Canyon; 3.5 miles upstream from trout farm. 991 Comment
  RSA680835  Lonicera subspicata var. denudata Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8666 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA645617  Lotus argophyllus Scott D. White 1994-4-21 1994 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  UCR110990  Lotus argyraeus var. argyraeus George K. Helmkamp 1998-6-27 4125 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
  UCR199738  Lotus corniculatus Scott D. White, Justin Wood 2008-6-24 12290 Riverside Beaumont Badlands, San Timoteo Canyon, meadow along San Timoteo Creek 671 Comment
  UCR155156  Lotus hamatus A. C. Sanders, Kelly Volansky 2005-3-17 29205 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR250106  Lotus hamatus A. C. Sanders 2014-4-9 41009 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km NW of intersection with Indian Truck Trail 354 Comment
  RSA600851  Lotus heermannii C. Epling, Wm. Robison 1935-6-30 s.n. Riverside Mt. San Jacinto: Between Pine Flat Camp and Fuller's Mill. Comment
  UC667261  Lotus humistratus Annie M. Alexander and Louise Kellogg 1941-5-15 2185 Riverside n slope Eagle Mountains; Colorado Desert Comment
  UC56575  Lotus salsuginosus var. brevivexillus H. M. Hall 1902-4-12 2848 Riverside Coyote Canyon, w borders of Colorado Desert Colorado Desert 152 Comment
  RSA660555  Lotus scoparius Lydia Paneri 1982-4-17 15 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  RSA757778  Lotus scoparius var. brevialatus LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4330 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  JOTR31966  Lotus strigosus La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2203 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; rocky/gravelly bajada north of the Aqueduct Rd. 603 Comment
  RSA766667  Lotus strigosus Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 160 Riverside Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak. 213 Comment
  UC56584  Lotus strigosus H. M. Hall May 1901 1907 Riverside Coyote Canyon San Jacinto Mountains, Santa Rosa Mountain 1524 Comment
  UCR166168  Lotus strigosus John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  UCR97894  Lotus strigosus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19851 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  SEINET3218478 Image available Lotus strigosus var. tomentellus T. B. Salvato 2010-4-20 4061 Riverside Sonoran (Colorado) Desert; alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe (McCoy Peak 7.5' Q.) 183 Comment
  RSA3980  Lotus tomentellus C. B. Wolf 1932-4-29 3118 Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  RSA480095  Lotus tomentellus Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2184 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA192129  Lotus unifoliolatus E. W. Lathrop 1966-5-25 6334 Riverside 5 miles NW of Murrieta. 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
  SEINET9332282  Lotus unifoliolatus var. unifoliolatus Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  RSA674547  Lotus wrangelianus Scott D. White 2000-5-1 7754 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  UC865541  Lupinus I. W. Clokey and B. C. Templeton 1930-4-9 4701 Riverside Moreno Grade Comment
  RSA590647  Lupinus agardhianus E. W. Lathrop 1960-5-6 4788 Riverside 10 miles west of Murrieta. Comment
  JOTR16691  Lupinus arizonicus Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. Comment
  RSA0118062  Lupinus arizonicus Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7619 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  UCR103558  Lupinus arizonicus George K. Helmkamp, E. A. Helmkamp 1998-1-17 2550 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  UCR138567  Lupinus arizonicus Steve Boyd, Orlando Mistretta 1986-3-13 1463 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UCR89561  Lupinus arizonicus George K. Helmkamp 1994-3-10 42- 08 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  RSA0118395  Lupinus arizonicus Lyman Benson 1945-3-29 11620 A Riverside Cabazon. 548 Comment
  SEINET10488541  Lupinus arizonicus James S. Henrickson 1963-3-29 Henrickson 1185 Riverside 8 miles e of mecca, along hwy 195; sandy open arroyo, on slight rise off the Desert floor; infrquent, with other desert annuals 183 Comment
  SEINET10870659  Lupinus arizonicus David B. Dunn 1946-3-17 Dunn 2098 Riverside On north-facing slopes of ravine coming down from plateau east of springs at Pushawalla Canyon. Indio Hills. Comment
  RSA787061  Lupinus bicolor Robert F. Thorne 1973-5-23 43856 Riverside Santa Rosa Plateau- Mesa De Colorado, grasslands near vernal marsh 610 Comment
  JOTR16692  Lupinus concinnus Walters, Jim 1967-4-11 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS 1645 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
  RSA779630  Lupinus concinnus Duncan S. Bell 2010-4-1 663 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
  CLARK-A1528-2827  Lupinus densiflorus subsp. lacteus John C. Roos 1937-4-17 1352 Riverside San Timoteo Canyon Comment
  UCR100820  Lupinus excubitus G. R. Ballmer 1998-5-23 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Massinger oak easement, Riverside Land Conservancy, north base of Redonda Mesa, close to Tenaja Rd. 671 Comment
  CAS-BOT-BC216687  Lupinus excubitus subsp. hallii Elizabeth McClintock 1965-6-25 s.n. Riverside A short distance below the summit, Santa Rosa Mountain Comment
  SDSU4976  Lupinus formosus Garrison 1962-7-29 Riverside San Jacinto Mountains. 2 miles beyond Black Mountian campground. 2286 Comment
  SEINET8042171  Lupinus formosus E. A. Zumbro 399 Riverside Jan Jacinto Mt. Comment
  RSA413645  Lupinus formosus var. formosus N. C. Cooper 1945-5-24 1639 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA751630  Lupinus hirsutissimus G. Gust, L. Nye 2005-3-11 542 Riverside Lake Elsinore City Limits. Hwy 74 ca. 1-2 miles W of lake Elsinore on hill slope pullout. 481 Comment
  RSA442334  Lupinus hyacinthinus George R. Johnston 1928-9-3 s.n. Riverside San Jacinto Mt. 3277 Comment
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Jul 6 2008
  UCR104191  Lupinus hyacinthinus Scott D. White 1997-5-18 5177 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  SEINET238339  Lupinus latifolius Mitch Provance 2000-5-5 2011 Riverside Riverside: Box Spring Mtns. canyon ca. 0.5 mi. NE of peak 2553 and ca. 0.5 mi. SW of the old landfill off Pigeon Pass 427 Comment
  RSA559441  Lupinus latifolius subsp. parishii Steve D. Boyd 1992-4-15 6851 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA591824  Lupinus latifolius subsp. parishii E. W. Lathrop 1966-5-29 6394 Riverside Bear Spring on the Main Divide Truck Trail1 miles E of Santiago Peak, Cleveland National Forest Comment
  SEINET239867  Lupinus microcarpus Rhonda Riggins 1982-4-15 1341 Riverside Guava St. (DeLuz Rd.) 0.4 mi S Jct. Washington Ave. in Murietta. Comment
  SJSU10778  Lupinus microcarpus var. densiflorus N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd near junction with Perris-Romoland Rd 457 Comment
  UCSB3284  Lupinus microcarpus var. densiflorus Bobkowski, Jr., Vincent 1960-5-15 Riverside Van de Venter Flats, approx. 25 miles south of Idyllwild on State Highway 74 Comment
  RSA87095  Lupinus pallidus F. W. Peirson 1922-4-9 s.n. Riverside Palm Canyon region, head of Coachella Valley Comment
  RSA678417  Lupinus sparsiflorus Michael Wall 2003-4-6 256 Riverside Vacant lot off Ramona Expressway at Donna Ave adjacent to Soboba Health Clinic. Property for sale and future housing development. 506 Comment
  RSA414816  Lupinus sparsiflorus subsp. sparsiflorus E. C. Jaeger 1921-3-21 s.n. Riverside Cottonwood Springs Comment
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Oct 9 2010
  CLARK-A1656-835  Lupinus truncatus Theo Glenn 1979-4-8 Riverside San Jacinto Mountains Comment
  RSA414398  Lupinus truncatus M. B. Dunkle 1932-3-25 2889 Riverside Cabazon. Colorado desert. 457 Comment
  RSA450316  Lupinus truncatus J. C. Roos 1948-4-24 3788 Riverside Cabazon. Comment
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Apr 3 2011
  RSA700067  Lupinus truncatus Scott D. White, Michael Honer 2003-4-25 9097 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  RSA0125368  Lycium andersonii Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8763 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting near the Martinez Slide, approximately 4 air miles northeast of the summit of Martinez Mountain. 264 Comment
  POM47791  Lycium andersonii var. deserticola Mary F. Spencer 1918-3-27 797 Riverside In desert sand, Palm Canyon. 168 Comment
  SEINET270099 Image available Lycium cooperi Bern Shcwen 1994-4-9 Riverside Joshua Tree National Monument ; Little San Bernardino Mountains 'Hidden Gold' Canyon below the Hidden Gold Mine in 3rd canyon on north side Comment
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Aug 25 2013
  RSA736732  Lythrum californicum Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10687 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  SEINET5343084  Lythrum californicum J. Crutchfield 1965-6-16 213 Riverside Lost Lake Resort, 14 mi S of Vidal Comment
  UCR149982  Lythrum hyssopifolia Scott D. White, Angelia Carey 2004-5-7 10332 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR201949  Lythrum hyssopifolia Mike Misenhelter 2005-7-12 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 miles E of Sun City, c. 2 mi. SW of Winchester, Hemet U. School Distr. proposed elementary school site, 14 acres on south side of Salt Creek and NE of the intersection of Leon and Patton Rds. 444 Comment
  CAS-BOT-BC334711  Madia gracilis E. W. Lathrop 1966-5-8 6268 Riverside 5 miles west of Murrieta Comment
  UCR193911  Madia gracilis A. C. Sanders, Mitch Provance 2008-7-11 35809 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  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
  POM122196  Malacothrix californica Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild, San Jacinto Mountains Comment
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Sep 16 2011
  SD137860  Malacothrix clevelandii Darin L. Banks, Peter Morrell 1995-5-4 310 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. 730 Comment
  UC1979538  Malacothrix clevelandii Darin L. Banks, Peter Morrell 1995-5-4 310 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. Comment
  UCR87630  Malacothrix clevelandii A. C. Sanders 1994-5-30 14586 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  CAS-BOT-BC347694  Malacothrix glabrata Munz; Street; Williams 1919-3-28 2370 Riverside In San Gorgonio Pass, near Banning 701 Comment
  SBBG8611  Malacothrix glabrata C. H. Muller 1952-4-6 9498 Riverside ca. 2 mi E of Shavers Summit, E of S entrance of Joshua Tree Nat Monument Comment
  SEINET2053778 Image available Malacothrix glabrata Norman C. Cooper 1949-4-9 3260 Riverside Mecca Pass east of Indio. 548 Comment
  UCR88116  Malacothrix glabrata A. C. Sanders, G. Nuhn 1995-4-20 16596 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  UCR27223  Malacothrix saxatilis E. W. Lathrop 1966-5-1 6256 Riverside Santa Ana Mtns., Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  SD137859  Malacothrix saxatilis var. tenuifolia Darin L. Banks, Victor Steinmann 1995-7-10 743 Riverside Northwest Palomar Mountains; Agua Tiobia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. 559 Comment
  UCR202248  Malva parviflora Mike Misenhelter 2005-7-12 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 miles E of Sun City, c. 2 mi. SW of Winchester, Hemet U. School Distr. proposed elementary school site, 14 acres on south side of Salt Creek and NE of the intersection of Leon and Patton Rds. 444 Comment
  RSA19893  Malvella leprosa Robert F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37573 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  UC1713780  Mammillaria tetrancistra P. A. Munz and D. Keck 1922-4-13 5016 Riverside Chuckawalla Mts. Colo. Desert Comment
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Aug 28 2016
  OBI74465  Marah macrocarpa David J. Keil 1983-4-15 16902 Riverside E of Temecula on SR 79 Comment
  UC403204  Marah macrocarpa H. M. Hall Aug. 1911 Riverside San Jacinto Mt. Comment
  VVC191  Marah macrocarpa A. C. Sanders, J. Mac 1997-5-4 20668 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  JOTR29084  Marina parryi La Doux, Tasha 2005-3-30 1201 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  POM307224  Marina parryi Henry J. Ramsey, Henry J. Ramsey 1940-4-14 1997 Riverside Colorado Desert, north of Blythe. Comment
  SBBG45489  Marina parryi Leota Davidson 1966-4-3 317 Riverside Interstate 10 at Wiley Well turnoff, 30 mi E of Desert Center Comment
  RSA33855  Marrubium vulgare H. S. Gentry 1944-4-22 1112 Riverside Banning. 732 Comment
  RSA199003  Marsilea vestita R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37424 Riverside Santa Rosa Plateau: small stream near roadside, Rancho California 609 Comment
  RSA618002  Marsilea vestita R. E. Riefner 1998-4-22 98 -291 Riverside Vernal Pool Flora of the Wildomar Fault: Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore Comment
  POM14400  Matelea parvifolia P. A. Munz, D. D. Keck 1922-4-9 4881 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. 671 Comment
  RSA0119894  Matelea parvifolia Duncan S. Bell, Thomas Stoughton 2016-4-12 9222 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles southwest of the junction of Agua Alta Canyon and Martinez Canyon. 775 Comment
  UCR96204  Matelea parvifolia A. C. Sanders, G. Helmkamp, O. Clarke, B. Pitzer 1996-11-9 19648 Riverside Sonoran (Colorado) Desert, Orocopia Mtns., near 'Bob's Cabin', 5 mi. (air) south of Hayfield Pump Sta., east of Maniobra Valley, central section of arroyo (N of peak 2552 to Bench Mark 1899) 610 Comment
  RSA614124  Matricaria matricarioides D. L. Banks 1997-2-23 1291 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  UCR155812  Matricaria occidentalis John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  CLARK-A1528-2858  Medicago polymorpha John C. Roos 1952-4-9 5487 Riverside Fairmont Park Comment
  UCR172233  Medicago polymorpha John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  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
  UCR214274  Melica frutescens A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37745 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 438 Comment
  CLARK-A1528-509  Melilotus albus Fred B. Essig 1964-2-20 14 Riverside La Sierra 609 Comment
  CSUSB1111  Melilotus indicus David H. Eslinger 1907-5-27 Riverside City of Riverside, UCR campus, near sidewalk along lawn northwest of geology building. 335 Comment
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Jul 26 2011
  CSUSB1112  Melilotus indicus Eric Trubschenck 1972-5-8 6 Riverside Undeveloped lot on northeast corner of Park and 7th Streets. 271 Comment
  UCR82224  Melilotus indicus J. M. Stewart 1994-5-2 853 Riverside Western Colorado Desert, Coachella Valley, Thermal. Tyler St. and Airport Blvd. Comment
  POM184640  Mentha aquatica Louis C. Wheeler 1932-9-4 1316 Riverside Prado Basin: Santa Ana River at Chino Creek 183 Comment
  UCR260574  Mentzelia A. C. Sanders, Nina Kidd, Jeff Crain 2015-3-31 41532 Riverside Peninsular Range; Eastern Foot of Santa Ana Mtns., Temescal Canyon, northwest of El Hermano Road junction along sandy wash of Temescal Creek 313 Comment
  UCR68873  Mentzelia dispersa Steve Boyd, T. S. Ross 1990-5-11 4706 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  RSA0014463  Mentzelia involucrata Justin M. Wood, J. Miner 2010-4-29 1537 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  RSA253718  Mentzelia involucrata Noel Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-21 6428 Riverside Big Maria Mountains, 12 air miles north of downtown Blythe. 290 Comment
  RSA440405  Mentzelia involucrata N. C. Cooper 1949-4-8 3249 Riverside Indio. Mecca Pass, east of Indio. 457 Comment
  RSA440426  Mentzelia involucrata T. W. Minthorn 1926-5-14 s.n. Riverside Near Indio, Colorado Desert. Comment
  UC1922408  Mentzelia involucrata Naomi Fraga, Lisa Rojas 2005-2-10 1358 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 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
  RSA21379  Mentzelia involucrata var. megalantha Carl B. Wolf 1937-5-4 8524 Riverside Colorado Desert, Little San Bernardino Mts, Morongo Wash, 1 miles below San Bernardino County line. 610 Comment
  UCD117238  Mentzelia involucrata var. megalantha P. C. Everett; E. K. Balls 1958-4-29 23016 Riverside U. S. Hwy 60/70, Indio to Blythe, 1 mile west of Cactus City. 548 Comment
  RSA440448  Mentzelia jonesii H. M. Hall 1905-05 6002 Riverside Cottonwood Pass. 701 Comment
  RSA4913  Mentzelia longiloba var. longiloba Carl B. Wolf 1932-4-28 3075 Riverside Chuckwalla Valley, 20 miles west of Blythe on the Mecca road 122 Comment
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Mar 26 2011
  SD129432  Mentzelia micrantha Ed LaRue 1989-5-3 Riverside 2.0 miles northwest of Lake Elsinore, adjacent to Cleveland National Forest, at McVicker Canyon. 487 Comment
  SBBG4879  Mentzelia nitens H. and M. Dearing 1949-4-16 6749 Riverside Cottonwood Spring Comment
  UCR12578  Mentzelia veatchiana R. G. Sullivan 1972-5-13 720513- 5 Riverside San Jacinto Mtns., Route 243(road from Banning to Idyllwild), c. 9 mi. from [+- S of] Interstate Hwy 10. 1372 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
  RSA792923  Microseris douglasii subsp. douglasii A. C. Sanders, T. B. Salvato 2011-4-1 38936 Riverside Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  UCR88169  Microseris douglasii subsp. douglasii Karen Kirtland 1992-5-20 s.n. Riverside Perris-Aguanga Basin, San Jacinto River at a planned development called Creekside, east of Dunlap Dr. and north of San Jacinto Ave. 433 Comment
  UCR217544  Microseris douglasii subsp. platycarpha Diane Menuz 2008-3-24 374 Riverside Perris-Hemet Basin, East of Briggs Rd,. c. 1 km south of Scott Rd. 432 Comment
  RSA543862  Microseris lindleyi Steve Boyd 1991-5-13 6252 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Road 549 Comment
  UCR162277  Microseris lindleyi S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  UCR171987  Microseris lindleyi John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  UCR180587  Microseris lindleyi Scott D. White, Angelia Carey 2004-4-5 9997 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR268294  Mimulus aurantiacus var. pubescens Jim Andre 2012-6-15 30526 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat 1309 Comment
  JEPS86530  Mimulus aurantiacus var. puniceus Roy E. Buck 1988-4-1 868 Riverside 7 air km w Lake Elsinore (town) (e-facing slope above CA Hwy. 74, near top of grade w of Lake Elsinore, ca 2.0 air km nw of confluence of Harlan Canyon and Johnson Canyon drainages); Elsinore Mountains 780 Comment
  UC75299  Mimulus aurantiacus var. puniceus C. F. Baker 1904-4-4 4152 Riverside Elsinore Comment
  JEPS86844  Mimulus bigelovii var. bigelovii David M. Thompson 1988-3-4 823 Riverside 1.6 mi ese I-10 interchange at Desert Center (along dirt road parallel to I-10 on s side, not far beyond (+/- e of) the Desert Center Pumping Station) 270 Comment
  RSA618389  Mimulus brevipes D. L. Banks 1997-5-5 1974 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
  UC410543  Mimulus brevipes Mrs. E. C. Van Dyke July, 1928 Riverside along to desert from Idyllwild Comment
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Sep 3 2011
  RSA526135  Mimulus guttatus Steve Boyd, Tim S. Ross 1990-5-11 4648 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UCR133414  Mimulus guttatus Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 317 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  UCR20952  Mimulus guttatus A. C. Sanders 1978-7-3 917 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  UCR37616  Mimulus guttatus George K. Helmkamp 1984-5-2 D 20 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  UCR110973  Mimulus parishii George K. Helmkamp 1998-6-27 4100 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  RSA0018997  Mimulus pilosus Steve Boyd, Gary D. Wallace 2005-7-30 11640 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  UCR151097  Mimulus pilosus Scott D. White, Julie Greene 1998-8-1 6974 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
  RSA775221  Mirabilis laevis Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4439 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
  CAS-BOT-BC434687  Mirabilis laevis var. crassifolia M. McCollum 1976-6-10 2039 Riverside 8 mi. SSW of Yucca Valley 914 Comment
  UCD98077  Mirabilis laevis var. crassifolia Franklin C. Raney 1959-4-30 59 -5 Riverside State Highway 74, 1 mile east of Romoland. Comment
  OBI8247  Mirabilis laevis var. retrorsa David J. Keil, Malcolm G. McLeod 1977-3-26 12008 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 Comment
  HSC47582  Mohavea confertiflora R. W. Spjut, C. E. Edson 1978-5-3 5011 Riverside Colorado Desert: N face of Chuckawalla Mtns. 1 mi. E of Granite Mine SE of Desert Center 335 Comment
  JOTR31938  Mohavea confertiflora La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2176 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
  POM305609  Mohavea confertiflora Henry J. Ramsey, Henry J. Ramsey 1937-3-2 908 Riverside Desert center, Mojave Desert Comment
  RSA0078218  Mollugo cerviana Sarah J. De Groot, Duncan S. Bell 2015-9-21 7586 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Along Carrizo Road just north of Highway 74. 1053 Comment
  RSA180417  Monardella lanceolata var. lanceolata E. W. Lathrop 1965-5-30 5771 -d Riverside 6 miles W of Murrieta. Comment
  RSA771487  Monardella linoides subsp. linoides Mark A. Elvin 2004-8-3 3653 Riverside Garner Valley, east of Hwy 74, southof Fobes Ranch Road, north of Morris Ranch Road 1402 Comment
  UCR23574  Monardella macrantha subsp. hallii John C. Roos 1962-6-30 s.n. Riverside Peninsular Range/Santa Ana Mtns., Sugarloaf [=Pleasants Peak, possibly Orange Co., near line] 1220 Comment
  CAS-BOT-BC215498  Monardella nana Elizabeth McClintock 1941-7-22 130 Riverside On slope south of Strawberry Creek and west of Domengonio Flats, San Jacinto Mts. Comment
  LA96091  Monardella nana Elizabeth McClintock; M. McClintock, D. Weiner 1941-7-11 103 Riverside Black Mountain, 0.5 mi. beyond Black Mountain Spring Comment
  UC1499921  Monardella nana E. McClintock, H. Lewis 1941-6-29 76 Riverside Road up Santa Rosa Mt., 1/2 mi beyond canyon where stream crosses road Comment
  IRVC2058  Monardella nana subsp. arida R. H. Whittaker, W. A. Niering 1963-6-12 SJ 413 Riverside Idyllwild. Peninsular Ranges, San Jacinto Mountains 1677 Comment
  RSA307235  Monardella nana subsp. arida Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2113 Riverside Santa Rosa Mountains. Comment
  UCR221481  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 056 Riverside Peninsular Range; Santa Rosa Mtns., road to Santa Rosa Mtn., 0.3 mi. above Pines to Palms Highway 1456 Comment
  UCR221482  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 057 Riverside Peninsular Range; Santa Rosa Mtns., road to Santa Rosa Mtn., 0.5 mi. above Pines to Palms Highway 1479 Comment
  RSA109308  Monardella nana subsp. tenuiflora H. K. Sharsmith 1954-7-7 4444 Riverside San Jacinto Mountains, On Forest Service Road to Black Mountain ca. 1 mile from Hwy. Beteen Fuller Creek and Idlewild. 1982 Comment
  UC1499815  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-17 118 Riverside trail to Suicide Rock (along a level stretch a short distance below the top); San Jacinto Mts. Comment
  UC1499838  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-22 131 Riverside a short distance below Keen Camp turn off (on the Idyllwild road); San Jacinto Mts. Comment
  POM363587  Monoptilon bellioides F. R. Fosberg 1932-3-13 8095 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  RSA3974  Monoptilon bellioides C. B. Wolf 1932-4-29 3112 Riverside Eastern Colorado Desert, 9 mi S of Brown's Well on the Blythe-Rice Road [Midland Rd]. 243 Comment
  UCR241713  Monoptilon bellioides Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 41 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  UCSB30442  Monoptilon bellioides Wheeler, William 1975-3-9 Riverside In Box Canyon Wash, 13 miles south of interstate 10 on Hwy. 195, south side of road 60 Comment
  UCR2783  Muhlenbergia asperifolia F. M. Reed 1907-10-20 1982 Riverside Riverside. Spring Brook above Fairmont Park. Comment
  POM14366  Muhlenbergia microsperma P. A. Munz, D. Keck 1922-4-9 4749 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  SD124759  Muhlenbergia microsperma John C. Roos 1966-3-20 Riverside Chuckawalla Mtns., 2 I(c) mi. SE of Desert Center Comment
  SEINET251740 Image available Muhlenbergia microsperma A. C. Sanders 2004-4-20 27550 Riverside Santa Ana Mtns.: Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line (Fallbrook 7.5' Q.:). 640 Comment
  SD132481  Muhlenbergia rigens Scott White 1990-10-23 Riverside 8.5 mi. (airline) ENE of Temecula; E of De Portola Rd. on El Dorado Rd., freshwater marsh 487 Comment
  UCR144134  Muilla maritima Scott D. White, Tasha LaDoux 2000-4-20 7714 Riverside Perris-Aguanga Basin, South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills 671 Comment
  UCR154459  Muilla maritima Jason L. Hlebakos 2005-5-30 809 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
  RSA67110  Myosurus minimus subsp. apus F. W. Peirson 1922-5-19 4171 Riverside Menifee Valley Comment
  UC1930148  Myriopteris clevelandii Scott D. White, Michael Honer 2003-6-3 9488 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  SD224778  Myriopteris newberryi Scott D. White 1996-3-16 3833 Riverside Lakeview Mts. N of Winchester, at Maze Stone Picnic Area. 579 Comment
  RSA421098  Nama demissa M. B. Dunkle 1937-3-25 4947 Riverside Colorado Desert. Comment
  RSA421104  Nama demissa N. C. Cooper 1949-4-8 3299 Riverside Desert Center. 610 Comment
  CHSC108884  Nama demissa var. demissa Orlando Mistretta; D. Bell, J. England, J. Hall, C. McDonald, L. Reccia 2010-4-13 4986 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). Between N34.00456, W116.67238 and N33.99629 and W116.66010. 750 Comment
  JOTR32160  Nama demissa var. demissa La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2313 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  UC1189974  Nama demissa var. demissa John H. Thomas 1957-3-30 6540 Riverside 8.1 mi e Cactus City (about 20 mi e of Coachella, Colorado Desert); Colorado Desert 426 Comment
  CSUSB114  Nama demissum var. demissum Kirby W. Brown 1966-3-10 Riverside 3.7 miles east of 1000 Palms. 60 Comment
  UCR279386  Nama hispida var. spathulata A. C. Sanders, Jim Malusa 2017-3-24 42957 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  UC167229  Nassella lepida Bertha E. Britain 1905-5-30 6239 Riverside near Riverside; Box Springs Comment
  UCD87802  Nassella lepida A. A. Beetle 1943-4-27 1939 Riverside Near Beaumont. Comment
  SEINET7072853  Nassella pulchra A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Tececula and at the junction with Route 395 (115). Coordinate datum: WGS84/NAD83. (33? deg. 30' 3" North Latitude, -117? deg. 9' 3" West Longitude, Coordinate datum: NAD27.). Comment
  POM355  Nasturtium officinale Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, near Murrieta. Comment
  RSA645879  Navarretia fossalis Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley: along I-215 between 4th St. (Perris) and approximately 0.25 miles S of the San Jacinto River. 429 Comment
  UC1922319  Navarretia hamata Scott D. White, Jennifer H. Jones 2005-5-25 11113 Riverside Santa Ana Mtns: Rainbow area; mountain foothils west of I-15 Freeway and immediately N of San Diego County line. Comment
  OBI42566  Nemacladus ramosissimus A. C. Sanders & B. Pitzer, B. Pitzer 1986-4-30 6481 Riverside San Jacinto Mts, upper Bee Cyn along the road, 1.3 mi aobve the mouth of the cyn at the San Jacinto River valley 671 Comment
  RSA0112630  Nemacladus ramosissimus A. C. Sanders 1994-5-30 14610 Riverside San Bernardino Mtns: NNE of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St. 950 Comment
  RSA439259  Nemacladus ramosissimus N. C. Cooper 1944-5-21 1239 Riverside San Jacinto Mountains, West side 915 Comment
  RSA618161  Nemacladus ramosissimus D. L. Banks 1997-5-5 2024 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
  UCR108838  Nemacladus ramosissimus Heidi A. Haid 1968-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR280956  Nemacladus ramosissimus Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 59 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  UCSB38679  Nemacladus sigmoideus Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  RSA421336  Nemophila menziesii Elbert Benjamine 1929-5-18 220 Riverside San Jacinto Mt. 1677 Comment
  SEINET3091664 Image available Nemophila menziesii Norman C. Cooper 1945-5-5 2262 Riverside San Gorgonio Mountains above Banning. 914 Comment
  UCR121196  Nemophila menziesii D. E. Bramlet 1989-4-5 1797 A Riverside Perris-Aguanga Basin Region, Shipley Multi-species Reserve, blue-line stream on the southeastern flank of Bachelor Mtn. 470 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
  SD247515  Nicotiana attenuata A. C. Sanders, T. B. Salvato 2014-7-2 41178 Riverside Peninsular Range; San Jacinto Mountains: Fobes Canyon, c 1/2 mile south of Fobes Ranch along Fobes Ranch Road. (Palm View Peak 7.5'Q) 1555 Comment
  RSA426681  Nicotiana bigelovii var. wallacei H. Twining 1890-05 s.n. Riverside Foothills [Riverside] Comment
  UCD126668  Nicotiana glauca Gordon Pilone 1961-3-1 96 Riverside White Water Canyon, one-half mile from fish hatchery. 457 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
  UCD63679  Nicotiana obtusifolia Daniel Sanchez-Mata; Salvador Rivas-Martinez 2008-6-6 s.n. Riverside Joshua Tree. Joshua Tree National Park. Hidden Valley. 1380 Comment
  RSA0018752  Nicotiana obtusifolia L. S. Rose 1967-12-19 s.n. Riverside La Quinta. 15 Comment
  CSUSB767  Nicotiana trigonophylla David M. Peterson 1966-2-20 Riverside 5.5 miles northeast of Mecca, in Box Canyon on Mecca-to-Joshua Tree National Monument Road. 121 Comment
  SD227672  Nolina bigelovii A. C. Sanders, G. Helmkamp, O. Clarke, B. Pitzer, et al 1996-11-9 19645 Riverside Colorado Desert: Orocopia Mtns., near Bob's Cabin, 5 mi. (air) S of Hayfield Pump Sta., E of Maniobra V., central sect. of (N of peak 2552 to BMk 1899) arroyo 609 Comment
  SD40821  Nolina bigelovii Carl B. Wolf 1932-10-13 Riverside Colorado desert; Eagle Mountains; 0.5 mile before Cottonwood Springs Comment
  RSA78225  Nolina parryi J. C. Roos, L. Roos 1952-10-18 5904 Riverside Hidden Valley Campground 1220 Comment
  SBBG58714  Nolina parryi R. Hoffmann 1929-9-11 Riverside Hamilton Grade Comment
  UCR152583  Nolina parryi James C. Dice 1985-6-13 618 Riverside Peninsular Range; San Jacinto Mtns., Pinyon Flat, c. 1.3 km N of Hwy 74 1250 Comment
  RSA747567  Notholaena californica Michael Honer 2003-4-16 1826 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. 640 Comment
  SEINET7042765  Oenothera W. P. Vestal, A. G. Vestal 1955-3-25 3476 Riverside Adenostoma chaparral, Lakeview Mountains on Juniper Flat Road. Lakeview quadrangle UTM Zone 11, 489935mE, 3735502mN. Comment
  RSA355279  Oenothera californica subsp. californica N. C. Cooper 1949-6-29 4306 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  RSA701118  Oenothera californica subsp. californica M. Wall 1996-7-6 177 Riverside San jacinto Valley, SE of Main St, 150 yds W of Ramona Expressway. Associated plants include Abronia villosa, Avena Fatua, Bromus, and Croton californica. 488 Comment
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Apr 30 2019
  CSUSB207  Oenothera deltoides Linda Stangor 1974-4-18 Riverside Windy Point; South side of Windy Point dunes. Comment
  UCR161199  Oenothera elata subsp. hirsutissima T. B. Salvato, Kelly Volansky 2003-3-27 120 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  RSA146109  Oenothera primiveris subsp. bufonis Peter H. Raven 1958-2-16 11624 Riverside 4.3 miles south of Rice. Comment
  RSA726578  Oenothera primiveris subsp. bufonis Naomi S. Fraga, Lisa Rojas 2005-2-10 1418 Riverside Along Palen Road near Hwy 177. 170 Comment
  CDA25329  Oligomeris linifolia G. D. Barbe, T. C. Fuller 1973-2-28 1061 Riverside I-10 at road to Wiley s Well, west of Blythe. 0 Comment
  OBI38911  Oligomeris linifolia A. C. Sanders, Pitzer, Charlton, & Kniffen 1986-3-3 6114 Riverside Corn Spring, Chuckwalla Mts, was below the spring and wash and rocky slopes to the south 488 Comment
  RSA605206  Oligomeris linifolia A. C. Sanders, G. K. Helmkamp, P. Mackay 1995-3-12 16026 Riverside Sonoran (Colorado) Desert Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111). -7 Comment
  UCR166720  Oligomeris linifolia Scott D. White, Jennifer H. Jones 2005-4-12 10866 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  OBI12785  Olneya tesota H. E. McMinn 1937-3-5 4499 Riverside About 7 mi W of Blythe in wash with Cercidium Comment
  RSA628617  Olneya tesota L. C. Wheeler 1954-5-22 7057 Riverside Box Canyon. [county unspecified] Comment
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Sep 17 2007
  UCR232355  Oncosiphon piluliferum John F. Green 2008-4-15 0408- 22 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  UCSB24418  Opuntia basilaris Olson, Terry 1966-4-6 Riverside On South Palm Canyon Dr., 1 mile south of West Palm Canyon Dr.; San Jacinto foothills 152 Comment
  RSA7219  Opuntia chlorotica B. D. Stark 1932-6-5 3709 Riverside Palms to Pines Road, San Jacinto Mountains. 1067 Comment
  SBBG88115  Opuntia littoralis A. C. Sanders 1984-4-21 5013 Riverside Moreno Badlands at edge of San Jacinto Valley, along Gilman Springs Rd, 1.5 mi NW of Gilman Hot Springs, 0.4 mi W of Sanderson Ave. (Lamb Cyn Rd) 487 Comment
  UCR41413  Opuntia phaeacantha A. C. Sanders 1984-4-21 5017 Riverside San Jacinto Mtns., Pinyon Flats, rocky S facing slope south of Hwy 74 and west of the dolomite mine 1220 Comment
  CAS-BOT-BC56888  Opuntia polyacantha var. erinacea C. B. Wolf 1938-6-11 3196 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  POM279448  Opuntia vaseyi Edwin F. Wiegand 1949-1 30 Riverside Collected at Hemet. Comment
  CLARK-A1528-78  Orcuttia californica Ruth Cooper 1941-6-8 76 K Riverside Menifee Valley 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
  SBBG7248  Orobanche cooperi H. and M. Dearing 1940-1-1 4066 Riverside NE of Mecca Comment
  UC1520678  Orobanche cooperi Noel H. Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-22 6467 Riverside 7 mi ssw of Rice (Rice Valley); Rice Valley 274 Comment
  UCR103296  Orobanche cooperi George K. Helmkamp 1998-4-4 3176 Riverside Sonoran (Colorado) Desert, 2.3 mi. north of Hwy I-10 on Eagle Mtn Rd. 274 Comment
  RSA0076495  Orobanche fasciculata Steve Boyd, Chris Frazier 1993-4-24 8008 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  SEINET10745019  Orobanche fasciculata George Yatskievych 1981-4-26 Yatskievych 81 -137 Riverside State Highway 74, ca. 4 mi SE of Bee Canyon. 823 Comment
  RSA180265  Orthocarpus purpurascens E. W. Lathrop 1956-4-30 5701 Riverside 5 mi. W. of Murrieta. Comment
  CAS-BOT-BC355750  Osmadenia tenella Steve Boyd 1986-5-7 1847 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15 Comment
  CAS-BOT-BC355751  Osmadenia tenella Steve Boyd 1986-5-7 1837 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15 Comment
  CLARK-A1528-141  Osmorhiza brachypoda Ruth Cooper 1968-5-5 Riverside Santa Ana Mountains Comment
  UC64191  Osmorhiza brachypoda H. M. Hall 1898-4-9 886 Riverside Temescal Comment
  UC1608250  Oxalis albicans subsp. californica Steve Boyd 1992-4-14 6873 Riverside along Blue Water Trail (Blue Water Cyn, downstream to the confluence with San Mateo Creek); Santa Ana Mtns, San Mateo Canyon Wilderness Area 335 Comment
  CAS-BOT-BC7024  Oxytheca emarginata Harvey Monroe Hall 1901-7-1 2331 Riverside San Jacinto Mountains, near Tauquitz 2194 Comment
  SD7982  Paeonia californica Daniel Cleveland 1882-4-22 Riverside Temecula Comment
  CAS-BOT-BC327899  Palafoxia arida Ira L. Wiggins 1941-3-24 9573 Riverside Along eastern side of Salton Sea, 2.7 miles S of Mortmar Comment
  SFV9414  Palafoxia arida M. L. Vincent, R. H. Swade 1963-10-19 453 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. This intersection is about 0.5 miles southeast of the intersection between Highway 111 and Interstate Highway 10. 366 Comment
  UCR124639  Palafoxia arida B. C. Templeton, I. W. Clokey 1930-4-9 1006 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  SEINET10799061  Palafoxia arida David B. Dunn 1946-2-23 Dunn 1958 Riverside Collected in mud flats dry and caked and split. All American CAnal catch basin from desert washes. Orascopia Mts. northeast of the Saltan Sea. Comment
  UC831416  Palafoxia arida var. arida C. L. Hitchcock 1940-3-29 5848 Riverside ca 12 mi e Indio Comment
  UCR279547  Palafoxia arida var. arida A. C. Sanders, Jim Malusa 2017-3-27 43132 Riverside Sonoran (Colorado) Desert, NW edge of Chocolate Mountains, lower Salt Creek on the illegal OHV road from the Coachella Canal to the trestle, inside Navy Aerial Gunnery Range 44 Comment
  RSA614834  Panicum capillare A. C. Sanders, Scott D. White, C. L. Sanders 1994-10-9 15810 Riverside Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell. 550 Comment
  UCR2615  Panicum miliaceum F. M. Reed 1918-1 4012 Riverside Riverside: on Indianapolis Ave. (Spruce Street) near Kansas 268 Comment
  UCR104075  Papaver californicum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20631 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR133169  Papaver californicum Frank C. Vasek 1978-5-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon, c. 4 miles by road SSE of Valle Vista 671 Comment
  SEINET10576906  Parkinsonia Carl C. Epling 1927-3-27 Epling s.n. Riverside Thousand Palms Comment
  UCR199618  Parkinsonia aculeata Scott D. White, Angelia Carey 2004-7-2 10553 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  SBBG3284  Parkinsonia florida H. and M. Dearing 1941-4-9 4627 Riverside near Mecca Comment
  UCR115140  Parkinsonia florida Mitch Provance 2000-10-28 2270 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  RSA781604  Pectis papposa Duncan S. Bell 2011-12-30 3028 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
  UCR167327  Pectis papposa Scott D. White, J. Wood 2005-9-27 11230 Riverside San Gorgonio Pass, Cabazon: Alluvial benches and braided dry channels south of Interstate 10 and west of the San Gorgonio River 610 Comment
  UCR108481  Pectocarya A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16228 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
  UCR108482  Pectocarya A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16192 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  RSA0123297  Pectocarya heterocarpa Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8982 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
  VVC2449  Pectocarya heterocarpa Tim Thomas 2013-3-18 5936 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  RSA0001856  Pectocarya heterocarpa P. A. Munz, D. Keck 1922-4-9 4780 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  RSA695834  Pectocarya linearis J. R. Bruff 1927-3-12 3 -L Riverside San Gorgonio River near Cabazon [note that label reads San Bernardino Co.] Comment
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Mar 13 2011
  SD247367  Pectocarya linearis A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41418 Riverside San Gorgonio River wash, ca. 3.7 miles east of Cabazon, ca. 1.125 miles NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms. 427 Comment
  RSA770296  Pectocarya linearis subsp. ferocula Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4582 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD137836  Pectocarya linearis subsp. ferocula Darin L. Banks 1995-4-5 134 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, east of Dripping Springs Alcove,along Drip.Sp.Trail 609 Comment
  RSA495816  Pectocarya penicillata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2926 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UCR167411  Pectocarya peninsularis John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  RSA680566  Pectocarya platycarpa Scott D. White, Michael Honer 2003-4-30 9141 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  RSA728606  Pectocarya platycarpa Gary D. Wallace, M. Wallace, Z. Wallace 1982-3-27 1890 Riverside Whitewater River, Indian Ave. 2 mi. S of San Bernardino county line, W of Joshua Tree National Monument, NW of Desert Hot Springs. Comment
  SBBG6315  Pectocarya platycarpa C. H. Muller 1952-4-6 9505 Riverside 2 mi E of Shavers Summit, E of S gate to Joshua Tree Nat Monument Comment
  UCD120139  Pectocarya platycarpa LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1454 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. Near 33 deg. 37'32'N, 115 deg. 19'35'W: UTM 3721895N, 655238E to 33 deg. 36'52N, 115 deg. 19'54': UTM 3720669N, 654757E. 548 Comment
  SEINET3084040 Image available Pectocarya recurvata Andrew C. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay, C. L. Sanders 1995-2-12 15919 Riverside Sonoran (Colorado) Desert; Coachella Valley, alluvial fan below the Little San Bernardino Mtns., Fargo Canyon Road, 1.35 mi. east of Dillon Road 98 Comment
  UC2015644  Pectocarya recurvata A. C. Sanders with G. Helmkamp & P. MacKay 1995-3-12 16080 Riverside Coachella Valley: alluvial slopes at the foot of Rabbit Peak, Santa Rosa Mtns., below Sheep Canyon. Comment
  UCR85147  Pectocarya recurvata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16080 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  POM259690  Pedicularis densiflora P. A. Munz 1940-3-17 15600 Riverside Dripping Springs Comment
  RSA593980  Pelargonium X hortorum D. L. Banks, Elizabeth Hedge Banks 1996-5-2 955 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  IRVC19343  Pellaea andromedifolia R. L. Allen 1977-2-11 s.n. Riverside Bear Creek Canyon; near Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains 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
  UCR178509  Pellaea mucronata R. G. Swinney 1967-3-5 0046 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  UCR97463  Pellaea mucronata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19888 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  UC669245  Pellaea mucronata var. mucronata Annie M. Alexander and Louise Kellogg 1941-3-23 1993 Riverside Tahquitz Canyon Palm Springs 170 Comment
  UC597590  Penstemon californicus Philip A. Munz 1937-5-31 15122 Riverside Kenworthy , Kenworthy (s end of San Jacinto Mts.) 1371 Comment
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Mar 25 2011
  NY583823  Penstemon centranthifolius R. M. Straw 1953-6-25 488 Riverside Santa Rosa Mountain road, from Palms to Pines Highway 1676.4 Comment
  RSA285587  Penstemon centranthifolius D. C. Michener 1980-6-11 3672 Riverside Bautista canyon 7.1 mi. above jct (end) of Lower BAutista Canyon Rd. (5S14) and short road to CA 74. Comment
  RSA650289  Penstemon centranthifolius G. Foster 1961-5-12 121 Riverside Highway to Idyllwild, Beaumont side. Comment
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Feb 18 2013
  UCSB47315  Penstemon centranthifolius Hibbard, Doug 1977-5-6 Riverside north west side of Hwy 74; 11.8 mi up from its intersection with Hwy 111 1036 Comment
  RSA0030778  Penstemon clevelandii subsp. connatus I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canyon 274 Comment
  UCD124052  Penstemon clevelandii var. connatus Richard Bates 1949-3-1 s.n. Riverside Pines to Palms Highway, top of Palm Canyon. Comment
  POM250043  Penstemon eatonii E. C. Jaeger 1939-5-20 s.n. Riverside Falcon Flats, 20 miles south of Warren's Well 1220 Comment
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Oct 30 2012
  NY604276  Penstemon labrosus V. E. Grant 1951-7-20 16099 Riverside Idyllwild, San Jacinto Mountains 1645.9 Comment
  UCR245239  Penstemon pseudospectabilis Jim Andre 2012-3-19 21330 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  RSA0014854  Penstemon rostriflorus E. K. Balls, Percy C. Everett 1953-8-19 18544 Riverside About Santa Rosa Spring, Santa Rosa Pk. 2134 Comment
  SDSU10970  Penstemon spectabilis Samuel R. Franks 1962-5-19 Riverside San Jacinto Mtns. Comment
  UCR251939  Penstemon spectabilis Harun Bektas 2011-4-26 11 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  RSA0051800  Penstemon spectabilis Nancy Anderson 1955-5-21 s.n. Riverside Banning. 914 Comment
  JOTR16855  Penstemon thurberi Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. ROAD TO LOST HORSE RANGER STATION FROM CAP ROCK 1310 Comment
  POM7597  Pentachaeta aurea P. A. Munz, R. D. Harwood 1920-4-20 3755 Riverside Elsinore 366 Comment
  UC1930016  Pentachaeta aurea Scott D. White, Justin Wood 2008-5-15 11987 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  UCR193118  Pentachaeta aurea A. C. Sanders, Tim Thomas 2008-6-20 35530 Riverside Peninsular Range; San Jacinto Mtns., May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1610 Comment
  RSA0070722  Pentagramma triangularis Marcy Keys 1981-5-16 91 Riverside 2 miles southeast of Lake Elsinore where Arbalado Lane runs into foothills. Comment
  UCD137797  Pentagramma triangularis subsp. maxonii Geoffrey Levin 1976-3-27 683 Riverside San Jacinto Mts, Chino Canyon. West of Palm Springs. Alluvial fan of San Jacinto Mountains. Salton Sea Basin drainage area. 396 Comment
  RSA797250  Perideridia parishii subsp. latifolia R. F. Thorne, Walter Wisura 1977-9-17 50788 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  CAS-BOT-BC77477  Peritoma arborea var. angustata Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC77484  Peritoma arborea var. angustata E. A. McGregor 1917-3-19 716 Riverside Indio Sands Comment
  CAS-BOT-BC77496  Peritoma arborea var. angustata Roxana S. Ferris 1918-6-14 990 Riverside At Shavers Well in Box Canyon, Chocolate Mts. Comment
  CAS-BOT-BC355984  Perityle emoryi Ira L. Wiggins 1941-3-27 9675 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center Comment
  CAS-BOT-BC356002  Perityle emoryi Martha Hilend 1932-3-26 s.n. Riverside Chuckawalla [Chuckwalla] Mts., about 3 miles above Corn Springs Comment
  RSA471854  Perityle emoryi Robert Gustafson, Gary D. Wallace 1982-5-19 2564 Riverside Pines to Palms Hwy. (Hwy. 74), between 7-level Hill and Black Hill. Comment
  UCR104023  Perityle emoryi George K. Helmkamp, E. A. Helmkamp 1998-2-5 2662 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR148464  Perityle emoryi 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
  UCSB9816  Perityle emoryi Beeks, Richard 1952-4-4 Riverside Seven miles above Mecca in Box Canyon Comment
  RSA101199  Petalonyx thurberi David B. Dunn 1947-7-12 2967 Riverside Pushawalla Canyon, Indio Hills. Comment
  RSA445167  Petalonyx thurberi N. C. Cooper 1944-5-20 2631 Riverside Palms to Pines Hwy., San Jacinto Mtns. 305 Comment
  PASA1559  Petalonyx thurberi Shanteau Riverside Mojave desert Comment
  LA49850  Petalonyx thurberi subsp. thurberi S. Atsatt; 1926-4-17 sn Riverside Palm Springs Comment
  LA49855  Petalonyx thurberi subsp. thurberi Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside at foot of Palms to Pines Highway Comment
  POM15178  Peucephyllum schottii Mary F. Spencer 1922-3-27 1927 Riverside Canyon prope [near] Mecca 49 Comment
  POM46832  Peucephyllum schottii Mary F. Spencer 1920-3-23 1454 Riverside Palm Springs. 122 Comment
  RSA0031425  Peucephyllum schottii Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4474 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  UCR166545  Peucephyllum schottii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10889 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  RSA554209  Phacelia ambigua Theo Glenn 1991-5-15 91 -43 Riverside Sonoran (Colorado) Desert Little Maria Mountains, NW of Blythe. 351 Comment
  RSA653543  Phacelia brachyloba Scott D. White 1999-5-24 7382 (unic.) 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
  UCR60240  Phacelia campanularia R. F. Thorne, M. Z. Thorne 1973-3-30 42658 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
  UC942747  Phacelia campanularia subsp. campanularia H. M. Hall 1905-4-1 5755 Riverside Whitewater 243 Comment
  UC24321  Phacelia campanularia subsp. vasiformis W. G. Wright 1800-1 Riverside Colorado Desert Comment
  UCR213624  Phacelia cicutaria var. hispida A. C. Sanders, Matthew Malle 2010-4-23 37996 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  CLARK-A1528-2998  Phacelia crenulata John C. Roos 1949-3-5 4090 Riverside Orocopia Mountains Comment
  HSC49202  Phacelia crenulata D. L. Goforth 1979-4-11 102 Riverside 1 km N of junction of Hwy. 10 and S entrance road to Joshua Tree National Monument 518 Comment
  SBBG25049  Phacelia crenulata D. Myrick 1966-4-1 1316 Riverside Desert Hot Springs, adjoining Linda Vista Lodge Comment
  SD146240  Phacelia crenulata A. C. Sanders, T. B. Salvato and Mitch Provance 2000-4-25 23363 Riverside East side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3.0 miles east of Thermal. 14 Comment
  UCR274807  Phacelia crenulata David Fraker, Aaron C. Sedgwick 2012-3-22 027 Riverside Sonoran (Colorado) Desert, Palen Mountains, Coxcomb Monument Road [becomes Palen Pass Rd.] c. 8 miles east of Hwy 177 376 Comment
  UCR52007  Phacelia crenulata Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2101 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCR90164  Phacelia crenulata R. W. Scora 1966-4-1 3002 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  UCSC001204  Phacelia crenulata Peter Kamb 1948-4-11 863 Riverside Aqueduct Road 5 mi east of Garnet Garnet - Coachella Valley, Larrea plain 305 Comment
  UC1523544  Phacelia crenulata var. ambigua Robert F. Thorne 1963-3-29 32368 Riverside 5 miles E of Mecca, Mecca Hills Comment
  JOTR34145  Phacelia crenulata var. minutiflora La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler, D. Shade 2011-4-26 3162 Riverside Joshua Tree National Park. NW tip of the Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  HSC78876  Phacelia distans R. F. Thorne, Drs. Fosberg, Sachet, Herbst 1983-4-23 55445 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office 595 Comment
  HSC84067  Phacelia distans H. A. Heaton 1987-5-2 15 Riverside San Jacinto Mtns., 3.5 mi. up Bee Canyon from Hwy. 74 854 Comment
  RSA49391  Phacelia distans P. A. Munz 1949-4-11 13022 Riverside Near Conejo Well, north base of Eagle Mts. 915 Comment
  RSA716379  Phacelia distans Scott D. White 2006-4-27 11298 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  JEPS21174  Phacelia fremontii H. S. Yates 1937-3-24 6474 Riverside near mouth of Deep Canyon; Thermal Quadrangle 304 Comment
  POM187413  Phacelia imbricata subsp. patula L. Crutcher 1933-8-1 9 Riverside Camp Tahquitz, San Jacinto Mtns. Comment
  UC1228377  Phacelia imbricata subsp. patula L. R. Heckard 1956-6-28 767 Riverside along CA route 74 about 1 mi w Idyllwild junction 1402 Comment
  JEPS89045  Phacelia minor Rimo Bacigalupi and L. Heckard 1962-3-25 8407 Riverside Temescal Guard Station to Warm Springs Valley (lower slopes of mt. as viewed e-ward from Hwy 71); Estelle Mountain 335 Comment
  RSA777159  Phacelia minor Steve Boyd, S. G. Jett 2008-3-20 11826 Riverside Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  SD143842  Phacelia minor A. C. Sanders 1997-3-1 19704 Riverside Box Springs Mountains: Coyote Hill (Bench Mark Versity, 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  SD4090  Phacelia minor Fidella G. Woodcock 1926-3-15 Riverside Palm Springs (mak 7/07) Comment
  UCR213518  Phacelia minor A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37821 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCR27195  Phacelia minor Marlyce Myers 1980-4-21 s.n. Riverside Perris Basin, Motte Reserve, 2.5 mi NW of Perris 518 Comment
  UCR275197  Phacelia minor T. B. Salvato, Gregg Miller 2005-6-7 1451 Riverside Peninsular Range, Gavilan Hills, along dirt road E of Lindell (Stovepipe) Road, W of El Toro Road, and ca 4.5 mi NW of Lake Elsinore 671 Comment
  UCSB10391  Phacelia minor Wedberg, H. 1957-3-22 Riverside Hwy. 71, Alberhill Comment
  UCSB10392  Phacelia parryi Yokoyama, Howard 1953-3-21 Riverside 9 miles east of Indio Comment
  UC495208  Phacelia pedicellata Philip A. Munz 1932-3-14 12012 Riverside Magnesia Springs Canyon Coachella Valley 91 Comment
  RSA517935  Phacelia rotundifolia Steve Boyd, Orlando Mistretta 1986-3-13 1413 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
  CHSC61260  Phalaris minor J. Lund 1980-4-2 Riverside Across the freeway from Valarie Jeans on Rd. W86 on north west side of Salton Sea. Comment
  UCR91273  Phalaris minor Scott D. White 1995-4-5 2720 .1 Riverside San Jacinto Valley, San Jacinto Wildlife area, near northern boundary, off Davis Rd. 427 Comment
  UCR21188  Phlox austromontana A. C. Sanders 1980-5-1 1381 Riverside San Jacinto Mountains, Garner Valley area, on a road cut in chaparral 3.4 mi NE of Kenworthy Ranger Station on the Morris Ranch Rd 1646 Comment
  RSA615066  Phoenix dactylifera A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. D. Stewart, Colin L. Sanders 1994-12-4 15889 Riverside Colorado Desert, Salton Sink: Dos Palmas Spring and immediate vicinity., 33 deg 30.16 N, 115 deg 49.9 W -30 Comment
  RSA221011  Pholistoma auritum E. W. Lathrop 1966-5-8 6404 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  SEINET7048050  Pholistoma membranaceum Steven R. Hill 2001-4-29 33525 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  UC1490303  Pholistoma membranaceum Rolf Y. Berg 1980-2-4 Riverside ca. 2.5 mmi. from mouth Whitewater Canyon Comment
  CAS-BOT-BC135070  Phoradendron californicum Del Wiens 1953-12-5 872 Riverside near Junction of road from S end of Joshua Tree National Monument and US 60 and 70 152 Comment
  CAS-BOT-BC135071  Phoradendron californicum Del Wiens 1955-10-17 960 Riverside Palms to Pines Highway between Palm Springs and Keen Camp, State Hwy. 74 Comment
  POM311756  Phoradendron californicum Karen Hosterman 1958-3-28 1240 Riverside Canyon to W. of road leading to and app./ 0.5 mi. before turnoff to cottonwood springs. Comment
  RSA650125  Phoradendron californicum David B. Dunn 1947-7-12 2977 Riverside Pushawalla Canyon, Indio Hills. Comment
  RSA777785  Phoradendron californicum Jim Andre 2011-2-9 15909 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
  SEINET2054750 Image available Phoradendron californicum Helen Kennedy, T. B. Salvato 2002-2-2 5455 Riverside Western Colorado Desert: Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec 2. Lower end of construction road, downhill from water-tank, behind a house. Full sun. 195 Comment
  UC1194633  Phoradendron californicum Del Wiens 1953-12-5 872 Riverside near junction of rd. from s. end with U.S. 60 & 70 Joshua Tree Nat'l Monument; Colorado Desert, Joshua Tree Nat'l Monument 152 Comment
  UC1078928  Phoradendron densum Job Kuijt 1958-3-14 1493 Riverside 11.7 mi. s. Palm Desert 975 Comment
  UCR135809  Phoradendron densum A. C. Sanders, Guy Bruyea 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. 335 Comment
  CAS-BOT-BC135179  Phoradendron juniperinum Geo. B. Grant 1901-8-1 s.n. Riverside Strawberry Valley, San Jacinto Mts. Comment
  CAS-BOT-BC135182  Phoradendron juniperinum Edmund C. Jaeger 1922-6-13 s.n. Riverside E slope San Jacinto Mts. 1371 Comment
  SBBG121978  Phoradendron leucarpum subsp. macrophyllum S. D. White, A. Carey 2004-4-16 10156 Riverside Indian Crk and adjacent slopes 549 Comment
  UCSB10654  Phoradendron leucarpum subsp. macrophyllum Gill, Robert 1960-3-23 Riverside Snow Canyon, near end of road 563 Comment
  SD143689  Phoradendron leucarpum subsp. tomentosum Scott D. White 1996-12-26 4646 Riverside Bautista Canyon; along Bautista Canyon Road, about 2 or 3 air miles NW of junction with Tripp Flats Rd. 1029 Comment
  RSA559455  Phoradendron villosum Steve D. Boyd, Tim S. Ross 1992-5-5 7212 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  RSA585786  Phoradendron villosum D. L. Banks, Steve D. Boyd 1995-5-9 411 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 738 Comment
  UCR178009  Phoradendron villosum T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 607 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  JOTR32606  Physalis crassifolia La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2670 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  POM118489  Physalis crassifolia Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well. Comment
  POM184546  Physalis crassifolia C. Leo Hitchcock 1932-4-7 12201 Riverside Corn Springs, Eastern Riverside. Comment
  RSA28050  Physalis crassifolia I. L. Wiggins 1941-3-27 9673 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  SBBG6615  Physalis crassifolia H. and M. Dearing 1940-6-7 4336 Riverside Box Cyn Comment
  UCR89671  Physalis crassifolia George K. Helmkamp 1994-3-10 42- 23 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  UCD126765  Physalis lancifolia Malcolm A. Nobs; S. Galen Smith 1948-9-3 483 Riverside 2 miles north of Indio. Comment
  UC146429  Physalis philadelphica Miss Kate Conger before Oct 1909 Riverside Winchester Comment
  UCR115346  Picris echioides A. C. Sanders 2000-11-15 23725 Riverside Perris-Aguanga Basin region, Moreno Valley, east side of Ellsworth St. between Cactus Ave. and Allesandro Blvd., near 14400 Ellsworth 476 Comment
  SEINET2149958  Pinus californiarum S. Langer 1999-1 s.n. Riverside Santa Rosa Mountains, W of mountain summit near junction of Highways 371 and 74. 1433 Comment
  CAS-BOT-BC78470  Pinus contorta subsp. murrayana F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  RSA16501  Pinus coulteri Percy C. Everett 1935-6-18 7206 Riverside Santa Ana Mts., Coldwater Can. Trail, about 2 mi. below (North) Main Divide Motorway. 1220 Comment
  UC64431  Pinus coulteri W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1313 Riverside Johnston Ranch San Jacinto Mt. 1354 Comment
  UCR121134  Pinus coulteri June Latting 1973-9-1 s.n. Riverside San Jacinto Mountains, San Jacinto River canyon [near Strawberry Creek confluence] along Hwy-74 between Hemet and Mountain Center 1220 Comment
  SD229028  Pinus lambertiana Dick Schwenkmeyer 2012-8-27 805 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1887 Comment
  JEPS47935  Pinus monophylla W. L. Jepson 1916-5-18 6034 Riverside Pinyon Well Canyon, n borders Colorado Desert Pinyon Well Canyon; Colorado Desert, Cottonwood Mts., Pinyon Well Canyon Comment
  RSA0077534  Pinus monophylla G. Wallace 1964-4-26 s.n. Riverside San Jacinto Mountains. Comment
  CAS-BOT-BC79097  Pinus quadrifolia Munz; Johnston 1922-5-20 5492 Riverside head of Hemet Valley, San Jacinto Mts. 1524 Comment
  UCSB15616  Pinus quadrifolia 1961-8-5 Riverside Along State Highway 74 at junction with road to Anza 1371 Comment
  RSA781364  Plagiobothrys acanthocarpus A. C. Sanders, T. B. Salvato 2011-4-1 38943 Riverside Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill 409 Comment
  RSA632133  Plagiobothrys arizonicus L. C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mountains: Falls Creek, north side of Mount San Jacinto. 548 Comment
  JEPS68030  Plagiobothrys canescens W. L. Jepson 1906-5-27 1474 Riverside Coahuilla Valley Comment
  SBBG87985  Plagiobothrys canescens B. Wagner 1988-3-9 Riverside Benton Rd and San Diego aqueduct, 0.5 mi E of Winchester Rd, NE of Murrieta 411 Comment
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Mar 20 2011
  UCR241777  Plagiobothrys canescens A. C. Sanders, Timothy W. Chumley 2013-4-1 40723 Riverside Peninsular Range; Elsinore Valley, Hwy 74 at Collier, large vacant parcel at SE corner of intersection, NE edge of Lake Elsinore, between Riverside Dr. (Hwy 74) and Enterprise Way 385 Comment
  UCR116666  Plagiobothrys collinus A. C. Sanders, Carolyn Washburn 2001-5-10 24232 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  CAS-BOT-BC334461  Plagiobothrys collinus var. californicus A. C. Sanders; John F. Green 2013-3-27 40684 Riverside Peninsular Range: Alberhill, dirt track NE of new sectionof Nichols Rd. S of Lake St. 433 Comment
  UCR228879  Plagiobothrys collinus var. fulvescens A. C. Sanders 2011-4-6 38996 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
  UCR241802  Plagiobothrys jonesii A. C. Sanders, Ann Howald 2013-2-28 40565 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 3.4 miles west of Hwy 78, 11 km SW (250 deg. ) of Ripley 114 Comment
  UCR244859  Plagiobothrys jonesii Jim Andre 2012-3-19 21380 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  RSA0012077  Plagiobothrys leptocladus Jeremiah George 2012-3-4 s.n. Riverside Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  RSA234037  Plantago bigelovii subsp. californica Robert F. Thorne, E. W. Lathrop 1969-5-19 37962 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 625 Comment
  SBBG68754  Plantago erecta M. N. Ackley -Feb-1926 788 Riverside near Edom 64 Comment
  UCR133031  Plantago erecta Scott D. White 1993-4-22 1251 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  CLARK-A1528-3426  Plantago insularis John C. Roos 1949-3-26 4123 Riverside Indio Comment
  RSA0056198  Plantago insularis Keith E. Hoffmaster 1935-3-3 837 Riverside Near Santa Ana River, north of Arlington. Comment
  JEPS22326  Plantago ovata Peter H. Raven 1958-1-24 11460 Riverside Fargo Canyon Comment
  UCR123829  Plantago ovata Steven R. Hill, K. Kramer 2001-4-27 33487 Riverside Sonoran (Colorado) Desert, N side of Route I-10, W side of Coachella Canal, about 0.1-0.2 mi north of interstate highway, 3 mi east of Indio 9 Comment
  POM14263  Plantago ovata var. fastigiata P. A. Munz, D. D. Keck 1922-4-9 4816 Riverside Hayfields, Chuckawalla Valley. 152 Comment
  POM184046  Plantago ovata var. fastigiata P. A. Munz 1932-3-14 12001 Riverside Deep Canyon, Coachella Valley 91 Comment
  RSA402014A  Plantago ovata var. fastigiata N. C. Cooper 1949-3-15 3030 Riverside Palm Springs. 122 Comment
  CHSC108903  Plantago patagonica Duncan S. Bell; Joy England 2010-5-17 1008 Riverside Peninsular Ranges; San Jacinto Mountains region: San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. In an open sunny flat. 1045 Comment
  UC1148888  Plantago patagonica H. K. Wagnon 1944-3-16 343 Riverside banks of Tahquitz Creek Palm Springs, Tahquitz Creek Comment
  UC845549  Platanthera I. W. Clokey and E. G. Anderson 1935-8-21 6561 Riverside Fuller Creek 1500 Comment
  RSA494648  Platanus racemosa B. L. Phillips 1988-6-2 s.n. Riverside E Riverside, near Creek on W side of Box Springs Mt. Comment
  RSA66240  Platystemon californicus F. W. Peirson 1922-4-28 5325 Riverside Temescal Canyon, SW Riverside Co. 274 Comment
  RSA674568  Platystemon californicus Scott D. White 2000-5-3 7767 Riverside Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly S of 'Red Hawk' subdivision. 351 Comment
  UCR142194  Platystemon californicus June Latting 1979-5-4 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 Comment
  CDA7065  Plecostachys serpyllifolia R. E. Riefner Jr. 2006-8-22 06 -395 Riverside City of Temecula, Vine Street at Peach Tree Street. Comment
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Dec 13 2012
  POM128393  Plectritis ciliosa subsp. insignis Thomas Craig 1927-4-23 216 Riverside Glen Ivy. Comment
  RSA221093  Plectritis ciliosa subsp. insignis E. W. Lathrop 1966-4-27 6213 Riverside Mail Divide Truck Trail between El Carriso and San mateo Canyon, Cleveland Nat'l. Forest. 1220 Comment
  JOTR32449  Pleuraphis rigida La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2199 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; rocky/gravelly bajada north of the Aqueduct Rd. 603 Comment
  RSA336042  Pleuraphis rigida R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52021 Riverside Chino Canyon Comment
  RSA775667  Pleuraphis rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 803 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  SBBG29418  Pleuraphis rigida D. Myrick 1968-3-4 1807 Riverside Palms to Pines Hwy out of Palm Desert Comment
  HSC83080  Pleurocoronis pluriseta A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6139 Riverside N foot of the Chuckwalla Mtns., 2.75 mi. SE of Desert Center 367 Comment
  JOTR34386  Pleurocoronis pluriseta Andre, Jim 2012-4-16 20910 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  JOTR36086  Pleurocoronis pluriseta La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3313 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 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
  POM10244  Pluchea odorata E. A. Zumbro 1903-05 s.n. Riverside Riverside Comment
  SEINET10801074  Pluchea sericea Billy Joe Cox 1975-4-23 Cox 4141 Riverside Palo Verde, 1-3 km. W, (ca. 32 mi. S of Blythe). Riverside-Imperial counties. 70 Comment
  RSA653711  Poa annua Scott D. White 2000-3-23 7636 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion. 152 Comment
  RSA597934  Poa bigelovii F. M. Reed 1920-3-24 4187 Riverside Murray Canyon 213 Comment
  SEINET244767 Image available Poa bulbosa A. C. Sanders 2002-5-4 25042 Riverside San Jacinto Mtns.; Idyllwild, Pine Crest Ave., NE of Hwy 243 1677 Comment
  SD144112  Poa howellii A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20646 Riverside San Jacinto Mountains; N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of Peak 3740 1067 Comment
  SD146083  Poa pratensis subsp. pratensis G. K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5018 Riverside Northern Sierra Nevada Range; N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  CHSC102091  Poa secunda Scott D. White; Michael Honer 2003-4-25 9122 Riverside SAN BERNADINO MTNS.: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 641 Comment
  RSA772412  Poa secunda Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4853 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
  POM2369  Polygonum amphibium var. emersum I. M. Johnston 1918-5-30 2027 Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  UCR34117  Polygonum fagopyrum Lance F. Howard 1984-5-25 035 Riverside Riverside, 3950 Cedar St. between 9th and 10th Sts. 244 Comment
  POM48373  Polypodium hesperium P. A. Munz, I. M. Johnston 1924-7-27 8778 Riverside North side of rocks, Dark Canyon, San Jacinto Mountains 2194 Comment
  SDSU13953  Polypogon maritimus Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2140 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  SEINET12240497  Poncirus trifoliata A. C. Sanders, Krueger, R. 2010-4-29 38111 Riverside Riverside, UCR Citrus Variety Collection, Agricultural Operations area, near intersection of Canyon 317 Comment
  RSA543142  Populus fremontii Steve D. Boyd 1991-3-17 5500 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  RSA775605  Porophyllum gracile Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 998 Riverside Iron Mountains, on southwest side of mountains in wash. 423 Comment
  SDSU13924  Porophyllum gracile Michael G. Simpson 2000-5-13 2118 Riverside Santa Margarita Ecological Reserve, ca. 100 feet from Northside field station. 366 Comment
  UC667273  Porophyllum gracile Annie M. Alexander and Louise Kellogg 1941-5-9 2141 Riverside Cottonwood Spring Eagle Mountains 883 Comment
  UCD135024  Porophyllum gracile Steve Boyd 1985-7-23 1044 Riverside De Luz Road, 3.5 miles west of junction with Tenaja Trail. Comment
  UCR269203  Porophyllum gracile Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 998 Riverside Southcentral Mojave Desert, Iron Mountains, on southwest side of mountains in wash 423 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
  SEINET3228132  Proboscidea althaeifolia G. Rink, T. Thomas and K. Routson 2012-9-1 11655 Riverside Blythe Solar Power Plant (proposed) about 10 miles northwest of Blythe 170 Comment
  UC2026428  Proboscidea althaeifolia Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10062 Riverside COLORADO-MOJAVE DESERT TRANSITION, LITTLE MARIA MOUNTAINS: Bajada at southwest end of Rice Valley, along Midland Road, just north of pass between Little Maria and Big Maria mountains. Comment
  UCR18679  Proboscidea althaeifolia Frank C. Vasek 1971-9-8 710908- 01 Riverside Sonoran (Colorado) Desert, Dry lake, 3 mi. north of Desert Center. Comment
  RSA11597  Prosopis glandulosa var. torreyana C. Epling, Wm. Robison 1933-6-24 s.n. Riverside San Gorgonio Wash Comment
  SBBG3760  Prosopis glandulosa var. torreyana H. and M. Dearing 1930-4-13 815 Riverside near Palm Springs Comment
  RSA453240  Prunus fremontii Anstruther Davidson 1903-5-3 1843 Riverside Thermal. Comment
  RSA16512  Prunus ilicifolia Percy C. Everett 1935-6-17 7146 Riverside Coldwater Canyon Trail to Santiago Peak, 1.5 mi. above Glen Ivy Resort. 564 Comment
  CAS-BOT-BC151206  Prunus virginiana var. demissa E. K. Balls 1949-5-4 13486 Riverside On road from Idyllwild to Banning, San Jacinto Mts. 1371 Comment
  OBI35673  Psathyrotes ramosissima Louis B. Ziegler 1977-4-12 561 Riverside Near Desert Hot Springs 381 Comment
  POM259943  Psathyrotes ramosissima P. A. Munz 1940-3-23 15670 Riverside South base of Pinto Mountains, road Dale to Cottonwood Springs 610 Comment
  RSA472320  Psathyrotes ramosissima J. W. Jamie 1906-4-1 1456 Riverside Mecca Comment
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Nov 30 2009
  POM10053  Pseudognaphalium biolettii Charlotte M. Wilder 1903-4-19 23 Riverside Wilder Canyon, W Riverside County Comment
  POM358759  Pseudognaphalium biolettii N. R. Zabriskie 1974-3-27 694 Riverside N side canyon downstream from 'Big Pool' Andreas Canyon, N slope San Jacinto mts 335 Comment
  UC1118482  Pseudognaphalium californicum A. Lewis 1934-3-1 316 Riverside Tin Mine Canyon Cleveland National Forest, Corona Quadrangle, Tin Mine Canyo 609 Comment
  UC64844  Pseudognaphalium stramineum E. A. Zumbro 1904-1-1 422 Riverside Cold Water Canyon Santa Ana Mts., Cold Water Canyon Comment
  UCR121824  Pseudognaphalium stramineum A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24599 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  UCR202415  Psilocarphus brevissimus Karin Cleary-Rose 1998-9-7 s.n Riverside Perris-Aguanga Basin Region; San Jacinto River Valley, west edge of Hemet, east of Warren Rd., south of Esplanade and north of the Tres Cerritos Hills 460 Comment
  UCR22137  Psilocarphus brevissimus var. brevissimus Steve Boyd 1980-5-17 286 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  CAS-BOT-BC353583  Psorothamnus arborescens var. simplicifolius O. F. Sillig 1911-5-21 s.n. Riverside Palm Springs, Colorado Desert Comment
  CAS-BOT-BC353585  Psorothamnus arborescens var. simplicifolius Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater Comment
  UC863834  Psorothamnus arborescens var. simplicifolius Lewis S. Rose 1938-12-18 38322 Riverside Palms Springs Palm Springs (Sanby desert [sic]) 137 Comment
  RSA403990  Psorothamnus emoryi Louis C. Wheeler 1931-11-26 392 Riverside Salton Sea, 2 miles SE Salton Bench Mark. -76 Comment
  SJSU4441  Psorothamnus emoryi C. K. Schroen 1964-3-24 26 Riverside by Hwy 99 midway between Oasis & Coolidge Springs 60 Comment
  UCR166008  Psorothamnus emoryi Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  CAS-BOT-BC340923  Psorothamnus schottii H. M. Hall 1905-4-1 5758 Riverside Colorado Desert. Palm Springs 152 Comment
  CAS-BOT-BC340925  Psorothamnus schottii Robert F. Thorne; R. Rutherford 1964-4-12 33655 Riverside About 1 mile W of Turnoff to Cottonwood Wells, along Hwy 60-70 Comment
  HSC84094  Psorothamnus schottii Aaron Liston, T. S. Elias, O. R. Dorado, S. Zona 1986-11-29 6401 Riverside Road to Painted Canyon, Mecca Hills Comment
  RSA404245  Psorothamnus schottii Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA404252  Psorothamnus schottii M. B. Dunkle 1933-3-4 3041 Riverside Painted Canyon, Colorado Desert. 30 Comment
  SFV1814  Psorothamnus schottii M. L. Vincent, R. H. Swade 1963-10-19 467 Riverside On California State Highway 74 about 6 miles south of Palm Desert. Roadside. Comment
  UCR89663  Psorothamnus schottii Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument. E side of Hexie Mtns., along Ruby Lee Well Road, between paved Pinto Basin Road and the divide. 823 Comment
  SEINET4037230  Psorothamnus spinosus G. T. Manthey 1977-1 1642 Riverside 10 miles east of Mecca on road going toward Joshua Tree National Monument. Comment
  UC154566  Psorothamnus spinosus Rensselaer J. Smith May 1904 Riverside White Water 396 Comment
  UCD34520  Psorothamnus spinosus Beecher Crampton 1985-5-8 9964 Riverside Riverside County, west of Blythe along hwy. 10. Comment
  CAS-BOT-BC72618  Pteridium aquilinum Carl B. Wolf 1932-8-4 3911 Riverside San Jacinto Mts., Point View, near Idyllwild 1645 Comment
  POM11504  Pteridium aquilinum var. pubescens P. A. Munz 1922-7-7 6035 Riverside San Jacinto Mountains: Tamarack Valley 2805 Comment
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Sep 10 2009
  SEINET8713957 Image available Pteris aquilina Jean Coulson 1959-1 s.n. Riverside San Jacinto Mts. Riverside CountyCalifornia 4 mi. N of Pine Grove on Fork of San Jacinto, Ele. 5000 ft. , On Banning road. 100 yds up stream. Comment
  RSA770855  Pterostegia drymarioides Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4933 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
  UCR116853  Pterostegia drymarioides A. C. Sanders, Steven R. Hill 2001-5-4 24140 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR120186  Pterostegia drymarioides Mitch Provance 1998-3-7 169 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.7 km south of limestone quarry situated at the N base of the mountain on 7th St. This site, technically, in the city of Riverside 375 Comment
  UCR47202  Pterostegia drymarioides B. G. Pitzer, L. F. LaPre 1987-3-2 0424 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  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
  RSA0081612  Pyrola aphylla P. A. Munz 1938-8-14 15370 Riverside Ridge east of Toro Peak, Santa Rosa Mts. 2378 Comment
  RSA0082841  Pyrola minor P. A. Munz 1922-7-7 6049 Riverside San Jacinto Mountains: Round Valley 2713 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
  UC5825  Quercus X acutidens Samuel B. Parish 1891-11-3 2255 Riverside near Murietta Comment
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Jul 15 2009
  UCSB41252  Quercus X acutidens 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. For.; Whittaker transect #W-229 Comment
  UCR214579  Quercus agrifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37846 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.93 mi. north (03 deg. ) of intersection of I-15 and Lake St. 469 Comment
  SDSU12877  Quercus agrifolia var. agrifolia J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 33 Riverside Next to main entrance gate to Santa Margarita Field Station 354 Comment
  SDSU13621  Quercus agrifolia var. agrifolia W. Miller with C. Mosse 1972-7-20 Riverside Comment
  LA46615  Quercus berberidifolia W. Pequegnat; 1939-4-8 37 Riverside Santa Ana Mountains Comment
  RSA0081317  Quercus berberidifolia Mitch Provance, Jeremiah George 2012-8-4 812 -32 Riverside Western Riverside County: Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero. 752 Comment
  UCR264644  Quercus berberidifolia Mitch Provance 2012-4-27 412- 19 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  POM122373  Quercus chrysolepis Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  RSA526499  Quercus chrysolepis Steve Boyd, T. S. Ross 1990-5-11 4694 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  RSA772411  Quercus cornelius-mulleri Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4854 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 915 Comment
  RSA0099445  Quercus engelmannii Duncan S. Bell 2014-11-14 7705 Riverside Santa Rosa Mountains; collecting in the Santa Rosa Mountain Wilderness area; west side of Martinez Mountain; at meeting point of Horsethief Creek and the Cactus Spring Trail. 1055 Comment
  SDSU13622  Quercus engelmannii W. Miller with C. Mosse 1972-7-20 Riverside 75 yards past fork next to olive trees. Comment
  SFV8726  Quercus engelmannii F. C. Vasek 1975-9-11 s. n. Riverside Horsetheif Creek Canyon, southwest of Pinyon Flat where the Cactus Spring Trail crosses. Comment
  UCD14090  Quercus john-tuckeri Stephen K. Langer 1995-4-9 s.n. Riverside California, Kern Co.; Lockwood Valley Road, 3.6 mi. from junction with Frazier Mountain Road; Comment
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Aug 25 2013
  SEINET13953263 Image available Quercus palmeri J. C. Roos 1965-1 Riverside Summit of Pines to Palms Road (Hwy 74) south of Palm Desert, Santa Rosa and San Jacinto Mountains. Comment
  UCD170489  Quercus wislizeni Tom Scott Apr 2011 2011- 571 -.3 Riverside San Bernardino Mountains: South side of mountains in Banning Canyon on USFS road 2S01, c. 6.5 miles up canyon. 1492 Comment
  SACT002731  Quercus wislizeni var. frutescens A. Delisle 1961-6-25 Riverside Alendale Pines Riverside, Ca Comment
  UC527702  Quercus wislizeni var. frutescens C. B. Wolf 1931-10-14 Riverside 100 yds above Fish Hatchery (Snow Creek, n base of San Jacinto Mts); San Jacinto Mountains, Snow Creek 609 Comment
  UCR9306  Quercus wislizeni var. frutescens Ted Hanes 1966-11-21 s.n. Riverside San Bernardino Mtns, Millard Canyon, 7 mi north of Cabazon 1159 Comment
  UCD170548  Quercus wislizeni var. wislizeni D. O. Burge 2017-5-20 2276 Riverside San Jacinto Mountains, Lake Fulmore area, University of California James Reserve. 1640 Comment
  RSA192183  Rafinesquia californica E. W. Lathrop 1966-5-1 6218 Riverside 2 miles west of Murrieta Comment
  CLARK-A1528-2075  Rafinesquia neomexicana John C. Roos 1947-3-1 3304 Riverside Garnet Comment
  POM305599  Rafinesquia neomexicana Henry J. Ramsey, Ramsey 1937-3-2 883 Riverside Desert Center Comment
  POM311103  Rafinesquia neomexicana H. K. Sharsmith 1952-4-10 4059 Riverside Smoke Tree Wash, ca 5 mi. NE of Cottonwood Spirngs, Joshua Tree National Monument 854 Comment
  RSA663886  Rafinesquia neomexicana C. R. Annable 1995-3-9 2253 Riverside ca. 14.5km NW of Palm Springs. N slope of Whitewater Hill. Comment
  SD232202  Rafinesquia neomexicana Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10490 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert: East side of mouth of Chino Canyon, at upper edge of bajada and lower rodky slope of mountains, along road to Palm Springs Tram Satiion. Area burned in 2001. Comment
  SEINET6044436  Rafinesquia neomexicana I. W. Clokey 1935-4-17 6967 A Riverside Cottonwood Springs. Comment
  UCR272449  Rafinesquia neomexicana Cheryl Sevilla, Sarah J. De Groot 2015-2-18 014 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, the plain to the east of Mission Creek, 0.4 miles northwest of the Stone House 783 Comment
  UCR256900  Ranunculus californicus var. californicus LeRoy Gross, Caitlin Elam 2013-5-14 6072 Riverside Peninsular Range; San Jacinto Mountains, Garner Ranch, east of Lake Hemet and Hwy 74, west of the ranch buildings, north of the road to the buildings, and south of the old landing strip 1332 Comment
  SEINET998620  Rhamnus californica T. B. Salvato 2004-1 597 Riverside San Bernardinos Mtns: head of Banning (San Gorgonio River) Canyon San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  UCR140656  Rhamnus californica subsp. tomentella Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 13- 90 Riverside San Jacinto Mtns, San Bernardino National Forest, 12 miles north of Idyllwild on Hwy 243 near Vista Grande, Site L13 1558 Comment
  CAS-BOT-BC59509  Rhamnus crocea B. Pitzer 1998-1-25 3422 Riverside Lakeview Mts: Maze Stone County park, at N terminus of California Avenue. 499 Comment
  SEINET13946317 Image available Rhamnus crocea Scott D. White 1996-1 3872 Riverside Bundy Cyn, SE of Lk Elsinore. About 1 road mile (-+0.2 mi) E. of Bundy Cyn Rd exit from 1-15 freeway; USGS Lake Elsinore 7.5'topo map. +- 40 ft. S of rd along mapped intermittent blueline stream [Quercus agrifolia riparian woodland w Salis Laevihata, Platamus racemosa] and adjacent N-and W-facing slopes covered by mixed chaparral and coastal sage scrub spp. 450 Comment
  UCD111913  Rhamnus crocea B. Pitzer 1997-4-20 3186 Riverside Lakeview Mountains. Intersection of Dutton St. with Voltaire Vista Road. 610 Comment
  UCR214903  Rhamnus crocea A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37681 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. 402 Comment
  CAS-BOT-BC56049  Rhamnus ilicifolia P. C. Everett 1935-6-18 7207 Riverside Santa Ana Mts., Coldwater Can. Trail, about 1 1/2 mi. below (No.) main divide motorway 1280 Comment
  RSA210963  Rhamnus tomentella subsp. cuspidata James Henrickson 1969-11-15 4370 Riverside 8 mi. SE of Banning along Hy R-1 in clearing Oak Pine Forest. 1585 Comment
  POM320387  Rhododendron occidentale Anonymous 1968-11-3 s.n. Riverside Fulmor Lake, San Jacinto Mountains Comment
  UC723853  Rhododendron occidentale C. Epling, Wm. Robison 1935-6-29 Riverside Mount San Jacinto, Marion Peak Marion Peak; Mount San Jacinto, Marion Peak Comment
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Oct 14 2006
  JOTR32000  Rhus aromatica La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2230 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  UCR527  Rhus aromatica Eugene Cardiff, Ken Smith 1954-4-5 s.n. Riverside Upper Santa Ana River/San Bernardino Valley, Jurupa Mountains, northwest of Riverside 671 Comment
  OBI8068  Rhus ovata David J. Keil, Malcolm McLeod 1977-3-26 12018 Riverside 9 mi E of jctn with I-15 along Calif 79. 518 Comment
  POM210815  Rhus ovata Victor Duran 1933-7-3 3498 Riverside 2 miles east of Pinyon Flat, Santa Rosa Mountains. 1067 Comment
  RSA628885  Rhus ovata A. C. Sanders 1994-5-29 14549 Riverside San Bernardino Mountains: Morongo Indian Reservation, among hills on the low pass between Millard Cyn. and Potrero Cr. 750 Comment
  RSA650223  Rhus ovata G. W. Mason 1949-1-23 s.n. Riverside Found in Batista Canyon 7-10 miles east of Hemet 518 Comment
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Apr 29 2011
  UC472805  Rhus ovata Mary F. Spencer Aug 1925 287 Riverside Idyllwild; San Jacinto Mountains 1524 Comment
  UC11510  Ribes cereum H. M. Hall July, 1901 2353 Riverside Tauquitz Valley San Jacinto Mountains 2438 Comment
  SBBG101699  Ribes indecorum S. Boyd, T. Ross, M. Hammitt 1991-5-2 6115 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  UCR160774  Ribes malvaceum A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19772 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  RSA0022088  Ribes montigenum E. C. Jaeger 1921-6-19 5444 Riverside Round Valley, San Jacinto Mts. 2744 Comment
  UCSB2647  Ribes nevadense Newby, Ron 1959-5-16 Riverside 10 miles N of Idyllwild on hiway to Banning; in the San Jacinto mountains 1828 Comment
  SEINET272331 Image available Ribes quercetorum A. C. Sanders, OF Clarke; H Forester 1997-3-2 19766 Riverside Box Spr Mtns: E side of the range in Pigeon Pass area above W end of Quail Call Dr cyn just W of section line. UTM 10k 610 Comment
  RSA221070  Ribes speciosum E. W. Lathrop 1966-3-23 6087 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  RSA335001  Ricinus communis Steve Boyd 1985-7-30 1045 Riverside De Luz rd., 7.8 miles west of Rancho [California]. Roadside weed along Sandia Creek, infrequent. Comment
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Apr 16 2009
  RSA648215  Ricinus communis Stephen Hill 1981-2-16 13 Riverside Cajalco Rd. 1 mile E. of hwy 15. Comment
  RSA263758  Romneya coulteri E. W. Lathrop 1967-4-14 6180 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. Comment
  UCR110381  Rorippa curvipes A. C. Sanders, Mitch Provance 1999-9-26 23112 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
  UCSB37900  Rosa californica Sanders, A. 1980-7-18 Riverside Thomas Mountain; along a small dry creek in Spillway Canyon about 2 miles SW of Hwy. 74 along Thomas Mtn. Rd; T 6S, R 3E, S 1/2 sec. 17. 1463 Comment
  UCR121262  Rubia tinctoria O. F. Clarke 2001-7-3 s.n. Riverside San Bernardino Valley region, Riverside, UCR Botanical Garden 335 Comment
  CLARK-A1528-826  Rubus ursinus Paul D. Wood 1970-4-19 2 C Riverside Riverside 243 Comment
  RSA466038  Rumex acetosella M. B. Dunkle 1933-7-20 3700 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCR201679  Rumex acetosella Scott D. White, Justin M. Wood 2008-5-15 11989 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  RSA561071  Rumex conglomeratus Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-12 7342 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  UCR281807  Rumex salicifolius Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-19 417- 97 Riverside Menifee Valley, Menifee, W side of Murrieta Rd., between Melido St. and Wickerd Rd. 482 Comment
  RSA284573  Rumex salicifolius var. denticulatus C. W. Tilforth, John Dourley 1980-7-15 2064 Riverside 0.9 miles west of Mountain Center along hwy 74, Riverside County, California. Comment
  RSA605755  Sagina apetala A. C. Sanders 1996-3-17 17980 Riverside Coachella Valley: Palm Springs, weedsin landscaping of shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr., (33 deg 51 N, 116 deg 33 W.) 250 Comment
  UC604956  Salazaria mexicana Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9543 Riverside Cottonwood Springs Canyon Comment
  CAS-BOT-BC103902  Salix exigua F. R. Fosberg 1932-3-13 8077 Riverside Thousand Palms Canyon, Choachella Valley Comment
  SD229272  Salix exigua Dick Schwenkmeyer 2012-5-22 719 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  SD1018  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 602 Riverside East side of the bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 239 Comment
  CAS-BOT-BC108148  Salix gooddingii A. C. Sanders; O. Clarke; T. Krantz; R. Thorne 1993-4-27 13817 Riverside Arrowhead Hot Springs and immediate viciniety, San Bernardino Mountains. Lower Waterman Canyon 1/2 mile due W of the old Arrowhead Hot Springs Hotel 579 Comment
  POM319097  Salix gooddingii Patricia Wilder 1971-9-29 5274 Riverside San Jacinto River drainage area. Base of the San Jacinto Mountains, east of Hemet on north side of Valle Vista at north end of Fairview Street, north of Florida Street; at boundary of Soboba Indian Reservation. 518 Comment
  RSA543141  Salix gooddingii Steve D. Boyd 1991-3-17 5501 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  SDSU12997  Salix gooddingii Michael G. Simpson 1999-10-27 2027 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  LA208734  Salix laevigata Carl Hedin; Joseph Ewan 1933-3-19 7679 Riverside Chino Creek near Prado (Rincon), below Corona [Area 7] Comment
  SD225103  Salix laevigata Scott D. White, Shelton Dowthit & Conservancy volunteers 1996-3-31 3849 Riverside Lk Skinner Area: Riverside Land Conservancy conservation easement site, about 1/2 air mi S of the reservoir, near East Benton Road 533 Comment
  UC846611  Salix laevigata Joseph Andorfer Ewan 1933-3-19 10903 Riverside Santa Ana R. at Prado; Santa Ana R. Comment
  UC914196  Salix laevigata Charles B. Fiker 1946-5-30 3361 Riverside 100 yards from dismantled service station on Pala Rd. from Temecula bridge Comment
  UCR17443  Salix laevigata N. R. Zabriskie, W. W. Zabriskie 1971-2-13 334 Riverside Western Colorado Desert/ San Jacinto Mtns, c. 25' up from Zabriskie-335, immediately below Andreas Canyon Clubhouse, Andreas Canyon, E slope of mountains Comment
  UCR25939  Salix laevigata John C. Roos 1947-11-1 3758 Riverside Sonoran (Colorado) Desert, Eagle Mtns, Lost Palms Canyon 976 Comment
  RSA770874  Salix lasiolepis Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4597 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCD111647  Salix lasiolepis B. Pitzer 1997-4-20 3179 Riverside Lakeview Mountains. Intersection of Dutton St. with Voltaire Vista Road. 610 Comment
  RSA629019  Salix lucida subsp. lasiandra Scott D. White 1998-6-28 6796 Riverside Corona: River Road bridge over the Santa Ana River. 160 Comment
  SD122377  Salsola paulsenii Duffie Clemons, Erik Jonsson 1988-2-13 1939 Riverside Alongside Washington Street, 3.0 miles north of I-10 southwest of Indio Hills, Coachella Valley. Comment
  POM12755  Salsola tragus P. A. Munz 1922-7-3 5947 Riverside Vandeventer Flat 1372 Comment
  RSA0094958  Saltugilia australis Steve D. Boyd, Tim Ross, Dave Bramlet 1993-5-13 7383 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile. 412 Comment
  RSA469673  Saltugilia splendens M. B. Dunkle 1937-3-25 4961 Riverside Dry Morongo. Comment
  UCR252227  Salvia apiana Marissa Manahan 2011-5-13 s.n. Riverside Riverside, Andulka Park, Tequesquite Arroyo at Chicago Ave. 277 Comment
  UCR42549  Salvia apiana B. G. Pitzer 1986-4-26 0186 Riverside San Bernardino Mtns., Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  SEINET2066007 Image available Salvia carduacea Howard S. Gentry 1981-6-13 23713 Riverside Between Anza and Aguanga. Comment
  SEINET7063433  Salvia carduacea A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles east of Sage on East Benton Road. Tucalota Valley. UTM Zone 11, 502421mE, 3715161mN. (WGS84/NAD83). 575 Comment
  RSA0123122  Salvia columbariae Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9032 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
  RSA401474  Salvia columbariae N. C. Cooper 1944-4-21 1149 Riverside Banning. 701 Comment
  UC144540  Salvia columbariae C. F. Baker 1904-4-5 4143 Riverside Hemet Comment
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Jul 4 2010
  UCR183012  Salvia columbariae Mitch Provance 2003-5-5 4419 B Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR261149  Salvia columbariae A. C. Sanders, Katie Young, John Hale 2015-4-22 41593 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 1.6 km south of I-10, 1.2 km NW (319 deg. ) of One Horse Spring 458 Comment
  UCR98066  Salvia columbariae A. C. Sanders 1997-3-1 19713 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  RSA295248  Salvia eremostachya N. R. Zabriskie, Walter Zabriskie 1972-3-30 503 Riverside below Pinyon Crest in Chapman s Rancheros area toward Dos Palmas Spring; northwest of Hwy 74 in Santa Rosa Mts. 1098 Comment
  SBBG6390  Salvia eremostachya H. and M. Dearing 1942-3-29 4848 Riverside Dos Palmas Spring, near Palms to Pines Hwy Comment
  UCR18500  Salvia eremostachya Frank C. Vasek, O. F. Clarke 1966-4-4 s.n. Riverside Santa Rosa Mtns, Hwy 74 at Royal Carrizo Road, Deep Canyon drainage 917 Comment
  UC1287000  Salvia mellifera C. L. Hitchcock 1966-3-16 24181 Riverside 0.25 mi w Aguanga Comment
  UCR26240  Salvia pachyphylla John C. Roos 1946-8-27 2914 Riverside Peninsular Range, Santa Rosa Mtns 2287 Comment
  JOTR16733  Salvia vaseyi Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. Comment
  JEPS57289  Sambucus mexicana L. R. Heckard and R. C. Bacigalupi 1968-5-5 1805 Riverside 2.6 mi n Radec 548 Comment
  RSA263674  Sanicula crassicaulis E. W. Lathrop 1968-5-22 6922 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  JOTR29559  Sarcostemma hirtellum Andre, Jim, Tasha LaDoux 2006-4-11 6733 Riverside Joshua Tree National Park. Along Pinto Basin Rd (paved) in Wilson Canyon 857 Comment
  LA202891  Sarcostemma hirtellum Carl Epling; William Robison 1933-6-27 sn Riverside Little San Bernardino Mountains, 5 mi. S of Gold Coin Mine Comment
  UC879245  Sarcostemma hirtellum C. L. Hitchcock 1940-3-31 5886 Riverside between Cottonwood Spring Pinto Basin Comment
  UCR169871  Saxifraga californica Dave Goodward 2004-1 s.n. Riverside San Jacinto Mtns., mouth of narrow side canyon off South Fork San Jacinto River 1159 Comment
  UCR35277  Saxifraga californica L. B. Ziegler 1974-4-2 523 Riverside San Jacinto Mountains, foothills of the San Jacinto Mountains, hillside slopes of lower Bautista Canyon 612 Comment
  UCR167239  Schismus arabicus John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  SDSU12246  Schismus barbatus Lara Tikkanen, Taxonomy of California Plants class, M. G. Simpson, instructor 2000-4-1 5 Riverside Comment
  UCD93273  Schismus barbatus Scott D. White 1997-2-28 4719 Riverside Elsinor Basin. Elsinore Area: SE of Hwy 74, ca. 1 mile E of junction with I-15 Freeway. 457 Comment
  UCR213278  Schismus barbatus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37691 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  UCR20373  Schoenoplectus americanus John C. Roos, L. Roos 1952-6-10 5762 Riverside San Bernardino Valley Region, Fairmont Park in Riverside, edge of lake 259 Comment
  RSA92140  Schoenoplectus americanus F. W. Peirson 1921-3-20 2848 Riverside Palm Canyon, Colorado Desert. 305 Comment
  RSA800233  Schoenoplectus maritimus Justin M. Wood 2010-6-17 2049 Riverside Perris Basin: March ARB, roadside ditch south of Cactus Ave. and west of Heacock St. 473 Comment
  OBI74594  Scrophularia californica David J. Keil 1983-4-15 16903 Riverside E of Temecula on SR79 Comment
  RSA650275  Scrophularia californica W. A. Reinke 1971-5-8 s.n. Riverside 7mi. N. of 2nd St. on [Highway] 71-74, Elsinore. Comment
  UCSC001510  Scutellaria angustifolia Peter Kamb 1948-7-3 1141 Riverside Hall Canyon, San Jacinto Mts., Yellow Pine Forest 1646 Comment
  RSA748358  Scutellaria siphocampyloides Sarah J. De Groot, Naomi S. Fraga 2004-7-8 4388 Riverside San Jacinto Mountains: East of Idyllwild, vicinity of FS road 5S13, between Chimney Flats Road 5S06 and 5S24. 1463 Comment
  RSA4389  Scutellaria tuberosa Dorothy R. Wolf 1932-5-20 33 Riverside Richman Ranch, 2.5 miles N of De Luz. 457 Comment
  UC1595563  Scutellaria tuberosa Steve Boyd, Orlando Mistretta 1991-5-22 6300 Riverside e of Dorland Mountain (base of Agua Tibia Mountain, w of Kolb Creek); Agua Tibia Mountain, Vail Lake area 548 Comment
  CAS-BOT-BC69807  Selaginella bigelovii Ivan Johnston 1917-4-4 1044 Riverside Palm Canyon, Colorado Desert. 304 Comment
  RSA717616  Selaginella bigelovii Scott D. White 2006-4-27 11305 Riverside Santa Rosa Hills, S. of Hemet. 549 Comment
  UCR177514  Selaginella bigelovii A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32538 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  UCR41371  Selaginella bigelovii N. M. Fellows 1985-1-5 60 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn., 1 mi west of Snow Creek Village 506 Comment
  UCSB72526  Selaginella bigelovii Moseley, Maynard 1954-4-10 Riverside Whitewater Canyon, floor of canyon, Colorado Desert, near Whitewater Comment
  SEINET10569125  Selaginella bigelovii Rose 1935-12-27 Rose 35706 Riverside Colorado Desert, Palm Canyon, dry rocky slopes. 305 Comment
  LA203925  Senecio flaccidus var. douglasii Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, San Gorgonio Wash, near Banning Comment
  JOTR16613  Senecio flaccidus var. monoensis Moore, Sue 1968-3-25 s.n. Riverside Joshua Tree National Park. 731 Comment
  UCR233168A  Senecio mohavensis Jim Andre, Glenn L. Clifton 2011-2-22 17443 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  RSA612491  Senecio vulgaris D. L. Banks 1997-2-23 1326 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
  SD258926  Senegalia greggii Sarah J. De Groot, Rachel Darney-Lane 2016-6-14 7905 Riverside Whitewater Canyon; along the Pacific Crest Trail, ca. 0.7 air mile south of Red Dome, ca. 1.1 trail miles northnorthwest of Whitewater Preserve, west of Whitewater River. 737 Comment
  SEINET13709268  Sidalcea malviflora J. Adams, J. Adams (Botany) 1966-1 751 Riverside Santa Rosa Plateau, along Dirt Rd from Murrieta to De Luz 2500Ft 762 Comment
  UC871471  Sidalcea malviflora subsp. sparsifolia Mary F. Spencer 1922-4-25 2016 Riverside near Banning (Lamb's Canyon) 701 Comment
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Mar 13 2011
  CAS-BOT-BC434395  Sidotheca trilobata A. C. Sanders; Tim Thomas; T. B. Salvato 2008-6-25 35622 Riverside Peninsular Range; San Jacinto Mtns.: May Valley c. 1.0 mi. WSW of Fleming Ranch. 1585 Comment
  UC1949955  Sidotheca trilobata R. F. Thorne, W. Wisura, D. Mitchener 1982-1 55191 Riverside Peninsular Ranges; Santa Ana Mountains region: Cleveland National Forest, along Main Divide Truck Road. Comment
  RSA192157  Silene laciniata subsp. major E. W. Lathrop 1966-5-15 6301 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  SBBG128623  Silene multinervia S. R. Hill, A. C. Sanders 2001-5-4 33707 Riverside N side of Avenida del Oro, just E of jct with Sandia Crk Drive, 2 mi W of jct of Rancho California Rd and Interstate 15; E rim, Santa Rosa Plateau 478 Comment
  CAS-BOT-BC175066  Silene verecunda H. M. Hall 1901-7-1 2453 Riverside In open forests of [Tauquitz] Tahquitz. San Jacinto Mountains 2133 Comment
  RSA627511  Silene verecunda subsp. platyota Scott D. White, Julie Greene 1998-8-1 6960 Riverside Idyllwild Area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Drive and Humber Park. 1829 Comment
  RSA0043070  Simmondsia chinensis Duncan S. Bell, LeRoy Gross 2014-3-20 6288 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  SDSU11067  Simmondsia chinensis Joan Godsil 1953-1-18 553 Riverside Joshua National Monument, 29 Palms to Cottonwood Springs Hwy. 1143 Comment
  SEINET6418776 Image available Simmondsia chinensis Annie M. Alexander, Louise Kellogg 1941-1 2159 Riverside EAgle Mountains, road to Black Eagle Mine 777 Comment