Search Results — 2000 specimen records retrieved (1877 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 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
  CAS-BOT-BC229320  Abronia villosa Mrs. E. C. Van Dyke 1928-7-1 s.n. Riverside Along road from Idyllwild to desert Comment
  CAS-BOT-BC229349  Abronia villosa S. B. Parish 1913-2-28 8474 Riverside Mecca, Salton Sink 60 Comment
  SBBG1865  Abronia villosa H. and M. Dearing 1939-4-12 3162 Riverside E of Indio Comment
  SBBG1870  Abronia villosa H. and M. Dearing 1940-6-8 4357 Riverside near Herkey Crk, W of Ribbonwood Comment
  UC917887  Abronia villosa Frank W. Gould 1943-4-17 2119 Riverside 12 mi s Corona (on road to Elsinore) Comment
  SEINET3133246  Abronia villosa var. aurita R. W. Spellenberg, D. Jackson 1972-5-19 2822 Riverside 7 mi E of downtown Hemet on Hwy 74 579 Comment
  UCR256328  Abronia villosa var. aurita Duncan S. Bell 2012-3-18 3183 Riverside Sonoran (Colorado) Desert, Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, c. 2.8 air miles southwest of Hidden Spring 20 Comment
  UCR92292  Abronia villosa var. aurita Scott D. White 1995-8-23 3588 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
  RSA48334  Abronia villosa var. aurita E. K. Balls 1949-4-4 12970 Riverside Near Salton Beach on Highway 111, Colorado Desert. -61 Comment
  RSA779201  Abronia villosa var. villosa Jim Andre 2011-2-9 15938 Riverside Coachella Valley; along Varner Road between Desert Hot Springs and Palm Desert, 2 miles N of I-10 189 Comment
  CHSC26552  Acacia greggii James Henrickson 1971-4-2 5474 Riverside Near Hidden Oasis, 13 miles E, of Palm Springs, in open Colorado Desert adjacent to Palm Oasis. 182 Comment
  UCR116459  Acacia redolens A. C. Sanders, T. B. Salvato 2001-3-30 23856 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  CAS-BOT-BC30912  Acamptopappus sphaerocephalus P. A. Munz 1937-5-29 15151 Riverside Deep Canyon, Santa Rosa Mts. 1066 Comment
  UC18091  Acer glabrum var. diffusum H. M. Hall 1901-7 2602 Riverside Tamarack Valley San Jacinto Mountains, Tamarack Valley (Southern California) 2438 Comment
Read comments
Jul 23 2018
  RSA6073  Achnatherum coronatum C. B. Wolf 1932-5-24 3660 Riverside Snow Creek, north base San Jacinto Mountains. 1 mile above the Fish Hatchery. 793 Comment
  SEINET4692067 Image available Achnatherum coronatum J. C. Roos 1950-1 4817 Riverside Hills NE of summit of Reche Canyon 762 Comment
  POM365987  Achnatherum hymenoides Bonnie C. Templeton 1931-4-9 s.n. Riverside N of Palm Springs Comment
  POM96839  Achnatherum speciosum F. M. Reed 1926-5-8 5326 Riverside Rocky hill near [Good Hope] Mine. Comment
Read comments
May 1 2011
  OBI26118  Achyronychia cooperi David J. Keil 1976-12-12 11919 Riverside Along I-10, 37 mi E of Chiriaco Summit Comment
  POM123135  Achyronychia cooperi Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA423494A  Achyronychia cooperi E. S. Spalding 1926-2-13 s.n. Riverside Between Palm Springs and Mecca. Comment
  RSA0120232  Acmispon argophyllus var. argophyllus Duncan S. Bell, Thomas Stoughton 2016-4-14 9286 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  SDSU14013  Acmispon argophyllus var. argophyllus Dinna Estrella, M. G. Simpson 2002-4-20 27 Riverside Santa Margarita Ecological Reserve. Road shoulder of Via Tornado Road, near junction with Santa Margarita river. 233 Comment
  JOTR34168  Acmispon glaber var. brevialatus Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 125 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Pinyon Well; Riparian area near small series of active springs and seeps (Stop 2) 1182 Comment
  SDSU12867  Acmispon glaber var. brevialatus J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 20 Riverside Close to river ford in Santa Margarita Gorge directly south of Santa Margarita (SDSU) Field Station trailer. 238 Comment
  SD224962  Acmispon grandiflorus var. grandiflorus Scott D. White 1996-8-16 4486 Riverside Idyllwild Area: SW of Pine Cove and W of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to Toll Rd. Cyn.) 1700 Comment
  RSA0125413  Acmispon heermannii var. heermannii J. R. Bruff 1928-4-5 209 Riverside Between Wiley Well and Beals Well. Comment
  SBBG101801  Acmispon strigosus S. Boyd, T. Ross, M. Hammitt 1991-5-2 6048 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  SD44851  Acmispon strigosus Darley F. Howe 1952-4-6 2178 Riverside 12 miles east of Mecca Comment
  UCSB37399  Adenophyllum porophylloides Gordon, Patricia 1980-5-18 Riverside Chuckwalla Mtns.; Corn Springs Campground 457 Comment
  SEINET8722549 Image available Adenostoma fasciculatum Jean Coulson 1959-1 86 Riverside San Jacinto Mts. , Riverside County, California. 0.2 mi. E. of N. Fork of San Jacinto R. , on Highway 74. N. side of road. Comment
  UCSB18172  Adenostoma sparsifolium Easley, Bill 1964-5-10 Riverside 150 yards E of intersection of State Highway 74 and State Highway 71 1463 Comment
  RSA523501  Adiantum jordanii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-30 3961 Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  UC718133  Agave deserti C. B. Wolf and P. C. Everett 1939-9-29 Riverside 2.7 mi below Dos Palmos Spring (on Palms to Pines road); San Jacinto Range, Deep Canyon 274 Comment
Read comments
Sep 24 2011
  SEINET10534193  Agave deserti A. K. Evans 1976-4-13 Evans 5135 Riverside Rocky slopes of Santa Rosa mountains. Comment
  UC1931094  Agnorhiza ovata Scott D. White, Justin Wood 2008-7-8 12383 Riverside San Jacinto Mountains: Hurkey Creek Watershed - Bonita Vista Rd, ca. 1/2 miles E and W of Hurkey Creek crossing. Comment
  POM162734  Agrostis exarata Ralph Hoffmann 1929-9-8 s.n. Riverside San Jacinto Mountains 1829 Comment
  UCR39540  Agrostis pallens A. C. Sanders 1980-7-22 1727 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  SEINET269466 Image available Agrostis viridis Scott D. White, Steve Ogg 1994-10-17 2496 Riverside Temecula Valley Riverside. City of Temecula Murrieta Ck Channel at confluence with Sta Gertrudis CK. USGS 7 1/2' Murr Comment
  UCR162619  Alchemilla occidentalis Abby Sirulnik 2003-4-1 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Lopez Canyon, near Lake Skinner 610 Comment
  SD70778  Aliciella latifolia David B. Dunn 1948-2-21 3672 Riverside Pushawalla. Comment
  CDA23223  Allenrolfea occidentalis T. C. Fuller 1962-10-3 9708 Riverside Highway 95 to Blythe, 1.7 miles south of Palo Verde Dam Road. 0 Comment
  SD254649  Allionia incarnata A. C. Sanders, Jim Malusa 2016-3-18 42371 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Denlap (Iris Pass 7.5'Q) 537 Comment
  UCR166863  Allionia incarnata 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
  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
  RSA70462  Allium cratericola F. W. Peirson 1922-5-21 3069 Riverside Near Garner Ranch, Hemet Valley, San Jacinto Mountains 1372 Comment
  SD262150  Allium haematochiton Mitch Provance, Jeremiah George, Matt K, Bewyers, John Hazlett 2017-4-10 417 85 Riverside Elisonore Trough: S end of Baker St., east side of inersecton with Bunker St. (Lake Elsinore 7.5'Q) 387 Comment
  UCR281233  Allium haematochiton Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 49 Riverside Temescal Valley, Southern foot of the Gavilan Hills, vicinity of Black Powder Rd., slopes adjacent to N side of the horse track 393 Comment
  RSA0135523  Allium munzii David E. Bramlet 2017-4-13 5258 Riverside West base of Elsinore Peak. 5 miles south of the Ortega Highway, 210 ft. east of the South Main Divide Road, and 78 ft. north of the Elsinore Peak access road. Cleaveland National Forest. 1016 Comment
  UCR42423  Allium munzii Steve Boyd 1986-5-1 1798 Riverside Murrieta Hot Springs, Skunk Hollow area, east of Murrieta Hot Springs, on N base of hill just to the west of Skunk Hollow. 439 Comment
  UCR139245  Allium parryi A. C. Sanders, Kate Kramer 2003-6-11 26877 Riverside San Jacinto Mtns., Garner Valley, foothills on the northeast side of the valley, 1/2 mile west of Morris Ranch Rd. on a dirt track, c. 1 km west of Goff Flat 1616 Comment
  UCR218070  Allium peninsulare Steve Boyd 2010-5-23 12276 Riverside Santa Ana Mountains, Elsinore Peak, fuelbreak near summit, just west of communications towers. 1073 Comment
  POM230632  Allium peninsulare var. peninsulare I. W. Clokey, E. G. Anderson 1935-4-16 6550 Riverside East of Hemet. 640 Comment
  CAS-BOT-BC475445  Allium serra W. G. Wright 1894-5-1 s.n. Riverside Not specified Comment
  RSA192035  Allophyllum glutinosum E. W. Lathrop 1966-5-9 6275 Riverside 3 miles SW of Murrieta between Mesa de la Punta and Sandia Canyon. Comment
  SD181421  Allophyllum glutinosum Scott D. White 2000-8-5 8113 Riverside San Jacinto Mountains; near Mountain Center; unnamed ephemeral drainage (tributary to South Fork, San Jacinto River). 1402 Comment
  UCR65300  Allophyllum glutinosum Steve Boyd, T. S. Ross, K. A. Boyd 1989-6-24 3747 Riverside Peninsular Range, Vail Lake area, along road, near summit of 'Little' Oak Mtn. 628 Comment
  RSA12958  Allophyllum glutinosum P. A. Munz, I. M. Johnston 1922-5-21 5530 Riverside Hemet Valley, San Jacinto Mts. 1448 Comment
  SD217239  Alnus rhombifolia Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-2 6653 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest; lower half of Tenaja Canyon, especially about Fishermans Camp. Comment
  JOTR30695  Aloysia wrightii La Doux, Tasha, Jim Andre 2008-9-13 264 Riverside Joshua Tree National Park. Upper Wilson Canyon on E. side of paved Hwy 991 Comment
  JOTR32523  Amaranthus albus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2606 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  UCR103547  Amaranthus albus George K. Helmkamp, E. A. Helmkamp 1998-1-17 2530 A Riverside Coachella Valley, Bob Hope Drive, 0.9 mi south of Hwy I-10 43 Comment
  JOTR32600  Amaranthus fimbriatus La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2666 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
  SBBG19503  Amaranthus fimbriatus E. R. Blakley 1961-9-12 4715 Riverside Pinyon Flat, Palms to Pines Hwy 1219 Comment
  RSA660912  Amaranthus palmeri Mitch Provance 1998-6-20 711 Riverside Jurupa Mountains: Glen Avon Heights, on the N side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  CDA23780  Ambrosia acanthicarpa Mike Lahti 2008-10-14 PDR# 1509229 Riverside Temecula. 0 Comment
  JOTR35518  Ambrosia acanthicarpa La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3338 Riverside Joshua Tree National Park. Queen Valley along Park Blvd, approx 400 m W of GeoTour Rd 1341 Comment
  UCR247999  Ambrosia confertiflora O. F. Clarke 2009-11-26 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  CLARK-A1528-1535  Ambrosia dumosa John C. Roos 1937-4-18 1349 Riverside Snow Creek Comment
  LA202914  Ambrosia dumosa J. A. Ewan; 1931-4-2 4098 Riverside 10 mi. N of Edom Comment
  RSA696750  Ambrosia dumosa J. Russell Bruff 1928-4-1 75 Riverside Whitewater Comment
  UC1118439  Ambrosia dumosa H. S. Yates 1936-4-7 5416 Riverside Palm Springs; San Jacinto Quad. 137 Comment
  SEINET10882135  Ambrosia dumosa Billy Joe Cox 1975-4-23 Cox 4157 Riverside Palo Verde, 1-3 km W, (ca. 32 m S of Blythe). Riverside-Imperial Co. 70 Comment
  LA202941  Ambrosia ilicifolia Martha Hilend; 1932-3-26 sn Riverside Chuckawalla Mountains, about 3 mi. above Corn Springs Comment
  CAS-BOT-BC272855  Ambrosia salsola A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37434 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  CAS-BOT-BC273009  Ambrosia salsola Ivan Johnston 1917-4-4 1087 Riverside Mouth of Andreas Canyon 60 Comment
  JEPS30459  Ambrosia salsola Peter H. Raven 1958-1-23 11414 Riverside 2.7 mi w Whitewater Post Office Comment
  UC1069630  Ambrosia salsola R. St. John 1929-3-25 15 Riverside Foot of Cabezon Mt San Jacinto Quad., Foot of Cabezon Mt. 609 Comment
  JEPS39427  Ambrosia salsola var. salsola Florence Brubacker and Margaret Stason 1928-3-3 7697 Riverside vicinity of Hidden Springs; Colorado Desert, Hidden Springs 0 Comment
  IRVC26145  Amelanchier utahensis Art Whistler 1966-5-8 15 Riverside downstream from Lake Fulmor, Route 74. Peninsular Ranges/ San Jacinto Mountains 1585 Comment
  SEINET895792 Image available Amorpha californica Al Grable 1976-1 6450 Riverside California false indigo. Santa rosa Myns. Rd. below Mtn. Home Spring. 2012 Comment
Read comments
Aug 25 2013
  CDA40603  Amsinckia intermedia A. C. Sanders, T. B. Salvato, Mitch Provance. 2003-4-4 25834 Riverside San Bernardino/Santa Ana River Valley Region; Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. Comment
  OBI40182  Amsinckia intermedia N. Miles Fellows & A. C. Sanders, A. C. Sanders 1985-4-9 149 Riverside Oasis de los Osos Preserve, off Snow crk Cyn at the N foot of the San Jacinto mts, 1 mi W of Snow Crk Village. T3S, R3E S1/2 sec 20 488 Comment
  UCR90984  Amsinckia intermedia Scott D. White 1996-3-31 3860 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  SEINET12519081  Amsinckia intermedia Norman C. Cooper 1944-1 1025 Riverside Banning 701 Comment
  UCR234222  Amsinckia retrorsa A. C. Sanders, John F. Green 2012-3-20 39974 Riverside Peninsular Range; Gavilan Hills Area, hills east of Lake Elsinore, along Hwy 74 near Meadowbrook Ave. 512 Comment
  POM99024  Amsonia tomentosa var. tomentosa E. C. Jaeger 1926-3-26 s.n. Riverside Cottonwood Springs. Comment
  UCR3413  Anagallis arvensis H. M. Whistler 1964-5-10 640510- 01 Riverside City of RIverside; UCR campus at 3401 Avocado, in lawn 335 Comment
  RSA593779  Ancistrocarphus filagineus Jeri Hirshberg 1995-5-19 274 Riverside San Jacinto Mountains, Garner Valley. Comment
  UCSC003150  Angelica tomentosa Peter Kamb 1948-10-31 1282 Riverside Hall Canyon, San Jacinto Mountains 1646 Comment
  UCD166280  Anisocoma acaulis Jack Major 1962-4-18 794 Riverside Pinyon Flat. (Exact location unknown. Coordinates estimated by label maker.) Comment
  RSA0009192  Antirrhinum coulterianum Scott D. White, Bill La Haye 2000-5-27 7955 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCR1123  Antirrhinum filipes Emmylou M. Krausman 1958-4-5 29 Riverside Sonoran (Colorado) Desert, Corn Springs, Chuckwalla Mtns. 9.9 mi up the canyon to vicinity of Aztec Wells 396 Comment
  UCR281206  Antirrhinum kelloggii Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 29 Riverside Peninsular Ranges, Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way 592 Comment
  UCR199644  Antirrhinum nuttallianum Scott D. White, Justin M. Wood 2008-4-3 11788 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  POM354920  Antirrhinum nuttallianum subsp. nuttallianum J. D. Olmsted 1962-5-10 3659 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  UC64224  Antirrhinum nuttallianum subsp. nuttallianum H. M. Hall 1897-6-1 Riverside Riverside foothills Riverside Comment
  SDSU17494  Apiastrum angustifolium Jerry Jenkins 2001-3-30 2001 -016 Riverside Santa Margarita Ecological Reserve. West side of S.M. River, slightly north of station. UTM zone 6, 481700E, 3699150N UTM transfered to GIS. Comment
  SEINET3080986 Image available Apiastrum angustifolium Frank Ambrey 1959-4-12 Riverside 200 yds South of Isolation Orchard on UCR Campus (300 yds W of Webber Hall) 366 Comment
  UCD127240  Apium graveolens E. W. Lathrop 1966-5-8 6511 Riverside 3 miles southwest of Corona, Hagador Canyon, Cleveland National Forest, Trabuco District. 274 Comment
  RSA0123371  Apocynum cannabinum Duncan S. Bell, Thomas Stoughton 2016-4-14 9303 Riverside Santa Rosa Mountains; eastern drainage of Asbestos Mountain; at a spring in Carrizo Creek approximately 1 air mile north of Black Hill. 758 Comment
  RSA627514  Apocynum cannabinum Scott D. White 1998-7-31 6934 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  UC1608306  Apocynum cannabinum Steve Boyd, Tim Ross, and Dave Bramlet 1993-5-12 7327 Riverside San Mateo Canyon from confluence with Los Alamos Canyon to confluence with Tenaja Canyon; S. Santa Ana Mts., San Mateo Canyon Wilderness Area 365 Comment
  RSA233320  Arabis johnstonii L. B. Ziegler 1968-4-16 s.n. Riverside Hemet Valley, lower edge of Yellow Pine Belt 1372 Comment
  SEINET10320300  Arceuthobium campylopodum E. G. Anderson 1935-8-21 6574 Riverside Idyllwild-Banning. 1650 Comment
  SEINET3239838  Arceuthobium cyanocarpum R. L. Mathiasen 2009-1 2009 -68 Riverside N slope of Tahquitz Peak. 2640 Comment
  RSA629137  Arctostaphylos Jon E. Keeley 1992-7-16 16576 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629392  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19516 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629399  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19528 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  UCR269229  Arctostaphylos glandulosa A. C. Sanders, T. B. Salvato, Cecile Shohet 2016-2-28 42002 Riverside Peninsular Range; San Jacinto Mtns., Hwy 243 just below (c. 0.2 km north of) turnoff to Poppet Flats 1276 Comment
  UCR273499  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42598 Riverside Peninsular Range; Santa Ana Mountains, south side of South Main Divide Road, SE of Morgan Trailhead into San Mateo Wilderness, 0.17 km NE (46 deg. ) of Lion Spring 872 Comment
  UC1120219  Arctostaphylos glandulosa subsp. glandulosa C. Van Fleet 1931-2-18 10 Riverside head of Tenaja Canyon Elsinore Quadrangle Comment
Read comments
Nov 27 2011
  UC1137202  Arctostaphylos glandulosa subsp. glandulosa Willis E. Pequegnat 1940-6-19 Riverside main divide road between Pleasants Peak and Bedford Peak; Cleveland National Forest, Corona Quadrangle, Santa Ana Mts. Comment
  UCR95942  Arctostaphylos glandulosa subsp. leucophylla Scott D. White 1996-8-1 4450 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  POM254949  Arctostaphylos glandulosa subsp. zacaensis W. Pequegnat 1940-4-13 s.n. Riverside Bedford Road, Santa Ana Mts. 854 Comment
  RSA592674  Arctostaphylos glauca Scott D. White, D. Haselfeld 1996-7-2 4251 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  RSA632655  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16523 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  SD60439  Arctostaphylos glauca Reid Moran 1964-7-27 11855 Riverside Canyon of Santa Margarita River, 2.5 mi. SSW of Temecula 199 Comment
  UC1979624  Arctostaphylos glauca D. L Banks, Steve Boyd 1995-3-30 0121 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. Comment
  HSC101788  Arctostaphylos parryana J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13205 Riverside Along State Route 74 1558 Comment
  RSA633767  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16633 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  POM367389  Arctostaphylos patula subsp. platyphylla Christopher Davidson 1978-6-15 7384 Riverside Santa Rosa Mts. Road from Hwy 74 to Sta Rosa Mt., ca. 2 mi W of junction to Sta Rosa Spgs Campground. 2087 Comment
  RSA508008  Arctostaphylos pringlei subsp. drupacea Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2300 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA635687  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 16605 Riverside Hwy 371 & Burnt Valley Rd, San Jacinto Mtns. Comment
  UCR90494  Arctostaphylos pringlei subsp. drupacea F. M. Reed 1933-5-31 7845 Riverside San Jacinto Mtns., Vandeventer Flats 1433 Comment
  CSUSB1375  Arctostaphylos pringlei var. drupacea Richard G. Sullivan 1972-5-13 7 Riverside San Jacinto Mountains, Idyllwild Comment
  RSA636007  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19554 Riverside Carancho Rd., W. of Temecula. 440 Comment
  UCR109555  Argemone munita R. D. Goeden, Don W. Ricker 1981-3-11 s.n. Riverside Sonoran (Colorado) Desert, Bradshaw Trail along Salt Creek, east of Salton Sea, c. 3 mi. east of Coachella Canal 152 Comment
  UCR16460  Argemone munita Anna Mayers 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Graham Pass Road, about 25 km from Chuckwalla Bench 450 Comment
  CAS-BOT-BC401738  Argemone munita subsp. rotundata Winfield 1975-4-27 2363 Riverside Snow Ck. Rd. ~3 mi from Hiway 111 Comment
  CAS-BOT-BC137657  Aristida adscensionis Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9580 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  RSA575735  Aristida adscensionis S. J. Darbyshire, J. Cayouette 1994-9-17 4638 Riverside Chuckwalla Valley 30 mile E [of] Desert Center, Highway 10 rest area. 90 Comment
  CAS-BOT-BC137654  Aristida adscensionis J. A. Ewan 1932-4-11 7089 Riverside Santa Rosa Mountains. Martinez Canyon. 365 Comment
  RSA457765  Aristida adscensionis var. modesta Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2130 Riverside N. end Palen Mountains, 2 miles west of Palen Pass. 300 Comment
  UCR23925  Aristida californica John C. Roos 1937-8-22 1209 Riverside Sonoran (Colorado) Desert, 7.5 miles NE of Desert Center 163 Comment
Read comments
Mar 26 2011
  RSA509461  Aristida purpurea var. parishii A. C. Sanders, E. J. Lawlor 1988-10-22 8727 Riverside Pinyon Flats area Santa Rosa Mountains, along the trail about 1/2 mi. W of the Dolomite Mine. 1200 Comment
Read comments
May 26 2008
  UCR2173  Aristida purpurea var. purpurea F. M. Reed 1906-7-8 1129 Riverside Plains near the Salt Lake RR, West Riverside Comment
  UCR2168  Aristida ternipes var. gentilis F. M. Reed 1906-7-8 1128 Riverside Santa Ana River Valley, sand hills west of Pedley [RR] Station 213 Comment
  RSA741739  Artemisia californica Michael Wall 2008-12-18 499 Riverside East of Hemet off Bautista Canyon Rd. ca. 0.25 miles east of jct. with Fairview Ave. 591 Comment
  UCR13706  Artemisia californica N. R. Zabriskie, W. Zabriskie 1972-12-25 548 Riverside Western Colorado Desert/ San Jacinto Mtns, On trail to ridge above Eagle Peak, Andreas Canyon, E slope San Jacinto 917 Comment
  CLARK-A1528-5447  Artemisia dracunculus John C. Roos 1948-10-16 Riverside Beaumont Comment
  JEPS49056  Artemisia dracunculus Lewis S. Rose 1966-12-14 66105 Riverside 3 mi w of Palm Springs; Chino Canyon 670 Comment
  JOTR32834  Artemisia dracunculus La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1551 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  UC1871200  Artemisia dracunculus Steve Boyd, Tim Ross, Travis Columbus 1993-10-23 8193 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 755 Comment
  UCR127046  Artemisia dracunculus Mitch Provance, Twoc Tran 1998-5-30 568 Riverside Jurupa Mountains, N end of 'Wilder's Canyon' (E fork of Pyrite Canyon), c. 0.25 miles SE of peak 1538. 351 Comment
  RSA259194  Artemisia ludoviciana subsp. ludoviciana Philip A. Munz 1938-8-13 15335 Riverside Rocky ridge east of Santa Rosa Peak. 2378 Comment
  RSA741732  Artemisia ludoviciana subsp. ludoviciana Michael Wall 2008-10-6 490 Riverside San Jacinto Valley, Baustista Rd. south east of Hemet; Bautista Creek ca. 6.0 miles SE of Fairview Ave. 778 Comment
  SD234280  Artemisia tridentata subsp. tridentata R. E. Jr. Riefner 2006-9-19 06 442 Riverside Temecula Valley, c. 0.1 mi, west of I-15 Freeway along Temecula Creek. 301 Comment
  RSA0025283  Asclepias albicans J. Andre 2013-3-4 23873 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 miles west of Hwy 95, approx 12 miles south of Vidal Junction. 127 Comment
  POM13814  Asclepias californica P. A. Munz 1922-4-28 5060 Riverside Leach Canyon, Santa Ana Mts. 610 Comment
  RSA699312  Asclepias californica Pomeroy 1929-5-11 s.n. Riverside Between Lake Elsinore and Glenn Ivy. Comment
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Oct 22 2011
  JEPS6275  Asclepias erosa W. L. Jepson 1927-4-14 11714 Riverside Silent Canyon Santa Rosa Mts. 304 Comment
  RSA388392  Asclepias fascicularis R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61206 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
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Jun 30 2018
  UCR21552  Asclepias fascicularis W. W. Mayhew 1980-8-1 s.n. Riverside Santa Rosa Mtns, 2 mi. south of Hwy 74 on road to Santa Rosa Peak 1646 Comment
  SEINET11262199  Asclepias fascicularis Norman C. Cooper 1944-7-15 1569 Riverside Palms to Pines Hwy, San Jacinto Mtns.; 0 1372 Comment
  CLARK-A1528-125  Asclepias subulata Charlotte Stocks 1963-5-2 Riverside Comment
  RSA69917  Asclepias subulata F. W. Peirson 1924-12-30 5420 Riverside Near mouth of Thousand Palms Canyon, Coachella Valley 91 Comment
  SBBG5721  Asclepias subulata M. A. Piehl 1963-9-18 63841 Riverside US 60, 70, 7.5 mi W of jct with Joshua Tree Monument Rd 373 Comment
  SBBG58650  Asclepias subulata R. H. Nordhoff 1940-11-10 608 Riverside near Thousand Palms Cyn Comment
  UCR264607  Asparagus officinalis Mitch Provance 2012-6-19 196- 08 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  SDSU17486  Aspidotis californica Jerry Jenkins 2001-3-30 2001 -006 Riverside Santa Margarita Ecological Reserve. Foot of Shaded bluff, west side of S.M. River, slightly north of station. UTM zone 6, 481700N, 3699150E. UTM transfered to GIS. Comment
  CAS-BOT-BC68762  Asplenium vespertinum Elmer I. Applegate 1892-4-23 s.n. Riverside Hills of East Riverside Comment
  UCR147805  Asplenium vespertinum Steve Boyd, Aydee Virgen 2004-4-13 10896 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  CLARK-A1528-1616  Aster spinosus John C. Roos 1965-7-5 Riverside Blythe Comment
  CHSC8461  Astragalus Edward Laidlaw Smith 1958-3-22 400 Riverside Sand dunes 3 mi. s. Rice. Little Santa Maria Mt. Range. Colorado River drainage area. 335 Comment
  RSA800104  Astragalus aridus Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4767 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 6 air miles southeast of the ghost town of Rice or approximately 5.3 air miles east of Priests Well. 198 Comment
  POM9367  Astragalus aridus Mary F. Spencer 1920-3-14 1483 Riverside Desert sand, Colorado Desert. -60 Comment
  RSA715250  Astragalus didymocarpus Brett Hartman 2006-4-28 s.n. Riverside Lake Elsinore back basin on NE side of lake. 384 Comment
  RSA498261  Astragalus didymocarpus var. dispermus Robert M. Perkins, H. de Forest 1937-3-15 382 Riverside Just West of Desert Center. Comment
  RSA0031439  Astragalus douglasii var. douglasii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4549 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  JEPS54663  Astragalus filipes W. L. Jepson 1901-5-20 1327 Riverside Thomas Valley Mt. San Jacinto Range, Thomas Valley 1341 Comment
  HSC14519  Astragalus insularis C. L. Hitchcock 1966-3-21 24331 Riverside About 15 mi. S of Rice, on dirt road to Blythe. Comment
  JEPS54702  Astragalus lentiginosus var. coachellae W. L. Jepson 1927-4-11 11631 Riverside near Palm Springs station (Whitewater); nw Colorado Desert 457 Comment
  POM275877  Astragalus lentiginosus var. coachellae L. R. Abrams 1926-3-26 11091 Riverside between Edom and Garnet east of San Gorgonio pass. Comment
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Apr 5 2011
  RSA707348  Astragalus lentiginosus var. coachellae Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 010 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles WNW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune 91 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
  GMDRC5491  Astragalus lentiginosus var. fremontii J. Andre 2012-4-16 20938 Riverside Little San Bernardino Mountains: along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mtns, 6.7 mi. south of Natl Park Loop Rd (paved). 990 Comment
  UC218004  Astragalus nuttallianus var. imperfectus P. A. Munz, D. Keck Apr 9 1922-Apr 12 1922 4846 Riverside vicinity Corn Springs (Chuckwalla Mountains, Colorado Desert); Colorado Desert, Chuckwalla Mountains, vic Corn Springs 670 Comment
  POM98993  Astragalus nuttallianus var. imperfectus E. C. Jaeger 1926-3-24 s.n Riverside Eagle Mountains. Comment
  SEINET2060246 Image available Astragalus palmeri P. J. Leary 1976-1-30 1443 Riverside East Wide Canyon, Joshua Tree National Monument 792 Comment
  UC863144  Astragalus palmeri C. L. Hitchcock 1940-4-4 5945 Riverside Pinto Basin Pinto Basin (sandy wash) Comment
  POM202483  Astragalus pomonensis Marcus E. Jones 1934-5-10 s.n Riverside Temecula, San Luis Rey bridge. Comment
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Sep 16 2011
  SEINET269558  Astragalus pomonensis Scott D. White 1996-5-27 4071 Riverside 'Badlands' Jackrabbit Canyon east of Moreno Valley and south of Calimesa between state highway 60 and Gilman Spring R 518 Comment
  UC635311  Astragalus pomonensis H. L. Mason 1926-4-30 3114 Riverside one mi s Temecula (Temecula Canyon); s of Temecula, Temecula Canyon Comment
  UCD105191  Astragalus pomonensis R. N. Raynor 1938-6-20 s.n. Riverside Aguanga. Comment
  UCR238090  Astragalus pomonensis Mark A. Elvin, Julie M. Vanderwier, Frank Sartuche 2002-5-16 2048 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  SD224954  Astragalus tricarinatus G. K. Helmkamp 1998-4-3 3087 Riverside Coachella Valley: Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging station along the creek. 747 Comment
  UCR20810  Athysanus pusillus A. C. Sanders 1980-4-17 1343 Riverside San Jacinto Mtns, Pine Meadow in upper Garner Valley 1433 Comment
  CAS-BOT-BC98822  Atrichoseris platyphylla Ira L. Wiggins 1941-3-27 9681 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center Comment
  JOTR35078  Atrichoseris platyphylla La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3529 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  RSA418191  Atrichoseris platyphylla Geo Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  RSA480072  Atrichoseris platyphylla Steve Boyd, S. Meury, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2161 Riverside Palen Pass at the north end of the Palen Mountains 500 Comment
  UC963819  Atrichoseris platyphylla Helen K. Sharsmith 1952-4-8 4051 Riverside near, and ca. 2.5 miles beyond Mission Well Meek Mine; Mojave Desert, Pinto Mountains 579 Comment
  SEINET8734641 Image available Atrichoseris platyphylla Helen K. Sharsmith 1952-1 4051 Riverside Pinto Mountains near Meek Mine and ca. 2.5 miles beyond Mission Well 579 Comment
  UCR93047  Atriplex argentea Steve Boyd 1985-8-7 1117 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  RSA451005  Atriplex canescens Stephen M. Beckstrom-Sternberg 1985-9-13 1038 Riverside Living Desert Reserve, Palm Desert Comment
  RSA5458  Atriplex canescens C. B. Wolf 1932-10-13 s.n. Riverside Cottonwood Springs. Eagle Mountains 290 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
  UC1080345  Atriplex canescens E. K. Balls and P. C. Everett 1957-11-5 22757 Riverside just s Thermal (State Hwy 111); s of Thermal 30 Comment
  UC1136263  Atriplex canescens R. St. John 1929-1-24 5 Riverside mouth Bautista Canyon; San Jacinto Quad., Mouth of Bautista Canyon Comment
  UC850851  Atriplex canescens Carl B. Wolf 1932-10-13 4322 Riverside ne side Salton Sea (at Durmid, ne side S. P. R. R. tracks, Colorado Desert); Colorado Desert, ne side Salton Sea, Durmid -60 Comment
  UCR63943  Atriplex coronata var. notatior D. E. Bramlet, A. Parikh 1990-6-14 2036 Riverside San Jacinto Valley, 6.5 km west of Hemet, c. 600 m SW of the intersection of Warren Ave and Florida Street, and 0-50 m east of the MWD 'San Diego Canal 457 Comment
  POM12995  Atriplex coulteri P. A. Munz, J. M. Johnston 1922-5-21 5544 Riverside San Jacinto [Mystic] Lake near Moreno. Comment
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Feb 3 2015
  UCR103481  Atriplex davidsonii D. E. Bramlet 1995-6-21 2442 Riverside San Jacinto Valley, San Jacinto Wildlife Area, Lovell Unit. The site is located 1.4 km east of Davis Road and 152m south of the existing access road. the site is 579m north of San Jacinto River Channel 435 Comment
  UCR90767  Atriplex davidsonii D. E. Bramlet 1993-5-16 2354 Riverside San Jacinto Valley, 5.8 km west of Hemet, 732m south of Florida Avenue and 244m west of Warren Road, 549m east of the MWD canal and 30m east of the San Diego Aqueduct. 456 Comment
  UCR255947  Atriplex hymenelytra Deidre Conocchioli, Duncan S. Bell 2014-3-18 262 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, 11.6 mi northeast of the Salton Sea, 1.9 mi north of the Salt Creek crainage, 0.2 mi southwest of Gucci Spring 390 Comment
  CAS-BOT-BC169292  Atriplex lentiformis John Thomas Howell 1928-1-28 3280 Riverside Thousand Palms, Colorado Desert Comment
  CAS-BOT-BC176535  Atriplex polycarpa Roxana S. Ferris 1918-6-15 974 Riverside Indian Wells Comment
  SBBG72571  Atriplex polycarpa M. D. Clary -Oct-1929 1156 Riverside Coachella Valley -13 Comment
  POM78943  Atriplex serenana I. M. Johnston 1923-7-19 s.n. Riverside Norco-Pedley Road 4 mi. SSE of Wineville. Comment
  UCR201865  Atriplex suberecta Justin M. Wood 2008-8-31 118 Riverside Perris Basin, Romoland, 1/4 mi south of Ethanac Road between San Jacinto Road and Palomar Road just south of railroad tracks 448 Comment
  RSA30242  Baccharis brachyphylla C. B. Wolf, Percy C. Everett 1942-10-13 11436 Riverside Morongo Pass, 3/4 mile below San Bernardino County line 671 Comment
  RSA614091  Baccharis emoryi A. C. Sanders, C. L. Sanders 1994-12-4 15882 Riverside Salton Trough: Dos Palmas oasis area, San Andres palm grove, 1.75 km (1.1 mi) WSW of Rancho Dos Palmas., Marked ''seep'' on Durmid 7.5' Quad. -23 Comment
  RSA652566  Baccharis emoryi Marion P. Harthill 1973-2-25 s.n. Riverside 8 miles N. of Elsinore Comment
  UCR106918  Baccharis pilularis D. L. Banks, L. Raz 1996-11-5 1148 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, south of San Gabriel Church; along a newly established firebreak along a NW-SE running ridgeline, near the water tank in section 34 421 Comment
  POM318591  Baccharis salicifolia Patricia Wilder 1971-2-4 4920 Riverside Santa Ana River in Prado Park; east of Archibald Ave. 244 Comment
  SEINET899225  Baccharis salicifolia H. K. Wagnon 1944-1 313 Riverside About 100 yds. S. of Trading Post, Palm Canon Comment
  UC893661  Baccharis salicifolia subsp. salicifolia Carl B. Wolf 1932-10-11 4273 Riverside 3/10 mi below San Bernardino County Line (Morongo Wash, Little San Bernardino Mts., Colorado Desert); Colorado Desert, Little San Bernardino Mts., Morongo Wash 670 Comment
  CAS-BOT-BC106628  Baccharis salicina E. W. Lathrop 1965-10-24 6019 Riverside 8 miles west of Murrieta. Plateau of the Santa Ana Mountains. 609 Comment
  SD229071  Baccharis sergiloides Dick Schwenkmeyer 2013-6-11 907 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  UCR196167  Baccharis sergiloides R. F. Thorne 1966-10-15 41819 Riverside Colorado Desert: Western Colorado Desert region/San Jacinto Mountains, Dead Indian Canyon, near Palm Desert at foot of Palms to Pines Hwy 366 Comment
  UCR89540  Baccharis sergiloides Bern Schwenn 1994-5-18 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, north side of the Eagle Mountains, site of Conejo Well 1021 Comment
  CDA37810  Bacopa monnieri CDFA Staff 1983-1-23 s.n. Riverside Desert Island Country Club, northeast of Rancho Mirage. 0 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
  UCR260257  Bahiopsis parishii A. C. Sanders, Jim Malusa 2015-3-11 41409 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, side canyon draining from the NE into large canyon containing the Gasline Road, c. 2.5 miles north of the Imperial Co. line, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  CAS-BOT-BC99961  Baileya pauciradiata H. M. Hall 1905-4-1 5911 Riverside Near Paloverde 91 Comment
  JOTR16563  Baileya pauciradiata Dengler, A. 1966-3-31 46 Riverside Joshua Tree National Park. OLD DALE 609 Comment
  UC566709  Baileya pauciradiata H. L. Mason 1928-3-10 4196 Riverside Whitewater River Colorado Desert, Whitewater River Comment
  UC69035  Baileya pauciradiata H. M. Hall 1905-4-1 5911 Riverside near Paloverde; Colorado Desert 91 Comment
  UCR42405  Baileya pauciradiata J. M. Stewart 1986-3-3 86- 16 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, east of Desert Center, east of the dry lake south of Palen Dry Lake Comment
  RSA695666  Baileya pleniradiata W. Marquart 1938-3-12 s.n Riverside 15 miles W. of Blythe. Found in basin along hwy. Comment
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Dec 18 2011
  RSA719072  Baileya pleniradiata Michael Honer 2005-3-18 2094 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  UCR134610  Baileya pleniradiata Marisa Sripracha, Kyle Boyd 2004-2-14 017 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  UCR274813  Baileya pleniradiata Aaron C. Sedgwick, David Fraker 2012-4-24 003 Riverside Sonoran (Colorado) Desert, Palen Valley south of Hwy I-10 on Dupont Road, c. 2 miles northeast of the Chuckwalla Mountains Wilderness Area 183 Comment
  POM122202  Bebbia juncea Marcus E. Jones 1926-2-16 s.n. Riverside Near Shaver's Well, near Mecca, Colorado Desert. Comment
  RSA4884  Bebbia juncea C. B. Wolf 1932-4-27 3000 Riverside Colorado Desert, 14 miles E. of Mecca on Blythe Road 152 Comment
  UCR148308  Bebbia juncea John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR251338  Bebbia juncea S. J. Myers 2014-5-21 1057 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 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-BC100136  Bebbia juncea var. aspera J. Von Loh 1978-1-23 3311 Riverside Palo Verde Mesa, 12 mi. W. of Blythe 121 Comment
  HSC25156  Bebbia juncea var. aspera Richard Spjut 1972-3-13 2266 Riverside Western border of the Colorado Desert ; San Jacinto Mts., near the eastern border of the San Bernardino Natl. Forest along Hwy. 74 915 Comment
  UCR113999  Bebbia juncea var. aspera Mitch Provance 1999-3-8 1060 Riverside Jurupa Mountains, SE Pyrite Canyon (= SE end of Wilder's Cyn.), c. .3 km NW of the Jurupa Mountains Culture Center. 366 Comment
  UCR19083  Berberis dictyota John C. Roos 1952-2-29 5379 Riverside SW of Reche Canyon 610 Comment
  SD146285  Bergia texana A. C. Sanders, Mitch Provance 1999-9-26 23132 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rdd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  UCSB45588  Bergia texana Roos, John 1952-5-28 Riverside San Jacinto river bottomland 1 mile southeast of Perris 426 Comment
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May 15 2016
  RSA592680  Bernardia incana Scott D. White, Duayne Haselfeld 1996-7-2 4257 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  JEPS52451  Bernardia myricifolia W. L. Jepson 1928-4-23 12563 Riverside Cottonwood Spring Colorado Desert, Cottonwood Mts., Cottonwood Spring 731 Comment
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Oct 9 2010
  UCR29642  Bernardia myricifolia Wende Rehlaender 1983-5-28 112 Riverside Santa Rosa Mountains, Bighorn Sheep Lookout, on Hwy 74 on northwest rim of Deep Canyon, just southeast of Sugarloaf Mountain and 5 mi northeast of Santa Rosa Mountain, c. 15 mi along road from Palm Desert 732 Comment
  CSUSB927  Bloomeria crocea Eugene Cardiff, Ken Smith 1954-5-5 Riverside University of California, Riverside (UCR) campus. Comment
  UCR165606  Bloomeria crocea T. B. Salvato, John F. Green 2004-5-27 706 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
  RSA180309  Bloomeria crocea var. crocea E. W. Lathrop 1965-5-30 5786 Riverside 6 miles W of Murrieta. Comment
  RSA0125971  Boechera Scott D. White, Justin M. Wood 2008-7-8 12374 Riverside Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  SEINET3228131  Boerhavia coulteri G. Rink 2012-9-1 11654 Riverside Blythe Solar Power Plant (proposed) about 10 miles northwest of Blythe 160 Comment
  SEINET6049526  Boerhavia coulteri Unknown 17074 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  RSA0018886  Boerhavia triquetra Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6023 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
  UCR5613  Boerhavia triquetra O. F. Clarke 1966-10-5 661005- 10 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  RSA0076343  Boerhavia wrightii A. C. Sanders, T. B. Salvato 2012-10-12 40402 Riverside Chuckwalla Mountains, Graham Pass, 7.6 km (c. 4.5 mi.) above the road to Chuckwalla Spring on Graham Pass Rd. 387 Comment
  RSA782142  Boerhavia wrightii Stephanie Rockwood, Christi Gabriel 2011-10-18 146 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 99 Comment
  UCR198196  Bouteloua aristidoides var. aristidoides Michael Honer, L. Hulse 2004-4-3 1917 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  OBI26037  Bouteloua barbata David J. Keil 1976-12-12 11920 Riverside Along I-10, 37 mi E of Chiriaco Summit. Comment
  SBBG19874  Bouteloua barbata M. A. Piehl 1963-9-18 63846 Riverside US Hwy 60, 2.7 mi W of Desert Center 312 Comment
  RSA0026138  Bouteloua barbata var. barbata Deidre Conocchioli, Caitlin Elam 2013-10-1 74 Riverside East of Little Chuckwalla Mtns. From Blythe, CA. Take I-10 W for 17.8 miles, take the Wiley's Well Rd exit., Turn left (S) on Wiley's Well Rd. Travel for 1.3 miles on paved road, then continue onto the unpaved portion of the road for 4.5 miles. Collection site on right (E) side of road. 177 Comment
  RSA716380  Bowlesia incana Scott D. White 2006-4-27 11299 Riverside Santa Rosa Hills, S. of Hemet. 549 Comment
  UC1931070  Bowlesia incana Scott D. White, Justin Wood 2008-7-9 12423 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Comment
  HSC87004  Boykinia rotundifolia F. C. Vasek 1987-7-14 8707141 Riverside Vista Grande Road (3508) 1 mile E of Banning-Idyllwild Road (SH234) 1524 Comment
  JEPS42503  Brandegea bigelovii W. L. Jepson 1927-4-12 11671 Riverside Mecca Hills Painted Canyon (Painted Canyon); , Painted Canyon 76 Comment
  RSA758319  Brandegea bigelovii Doug Goldman 2005-3-3 3022 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  CAS-BOT-BC29979  Brassica fruticulosa A. C. Sanders; Oscar F. Clarke 1989-4-5 9035 Riverside Box Springs Mountains, on the east edge of Riverside. At the end of the dirt road in Two Trees Canyon. Comment
  SEINET10481266  Brassica incana David B. Dunn 1948-6-18 Dunn 3834 Riverside Planted along hwy near Cabazon. Along roadside. Comment
  RSA663849  Brassica tournefortii C. R. Annable 1995-3-9 2257 Riverside ca. 13km N of Rancho Mirage. BLM land behind A-1 Cement. Comment
  RSA771748  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4610 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR89832  Brassica tournefortii George K. Helmkamp 1994-3-10 42 6 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
  UC597720  Brickellia atractyloides Philip A. Munz 1937-5-29 15150 Riverside Deep Canyon Santa Rosa Mts. 1066 Comment
  POM10238  Brickellia californica F. M. Reed 1903-10-24 94 Riverside Cold water canyon [Santa Ana Mts., near Temescal Valley] Comment
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Apr 7 2011
  UC64839  Brickellia californica E. A. Zumbro 1904-1-1 420 Riverside Cold Water Canon Santa Ana Mts. Comment
  UC55185  Brickellia desertorum Geo. R. Hall 1902-10-25 Riverside near Riverside Comment
  POM135924  Brickellia incana J. B. Feudge 1927-5-9 1609 Riverside Shavers Well, Colorado Desert Comment
  RSA0042857  Brickellia incana Duncan S. Bell, LeRoy Gross 2014-3-20 6271 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  JOTR32362  Brickellia oblongifolia var. linifolia La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2477 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (Stop 3) Comment
  CAS-BOT-BC132177  Brodiaea Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  CAS-BOT-BC132191  Brodiaea filifolia John Thomas Howell 1930-5-10 4790 Riverside 2 miles south of Perris Comment
  CAS-BOT-BC132192  Brodiaea filifolia P. A. Munz; I. M. Johnston 1922-5-19 5412 Riverside 1 mi. east of Perris 441 Comment
  RSA771811  Brodiaea santarosae Steve Boyd 2010-5-26 12277 Riverside Elsinore Peak, south slope, just north of trail along old Main Divide Road and east of road up to communications towers 1037 Comment
  SBBG122753  Brodiaea santarosae A. Parikh 1990-5-17 173 Riverside W part of Mesa de Colorado, 0.3 km N of Avocado Mesa Rd, 0.1 km E of Via Volcano 632 Comment
  UCR93840  Brodiaea santarosae J. E. Harrison 1996-5-23 s.n. Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: Redonda Mesa 854 Comment
  RSA771882  Brodiaea terrestris subsp. kernensis Steve Boyd 2010-5-28 12284 Riverside Elsinore Peak, just south of trail along old Main Divide Road at easternmost clay knoll east of main peak 1000 Comment
  SD132932  Brodiaea terrestris subsp. kernensis Tim Cass, Fred Sproul 1979-6-1 201 Riverside Mesa de Colorado, Pool A. (IPB 2/08) Comment
  UCR263238  Bromus arizonicus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41482 Riverside San Gorgonio Pass, 3.3 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 445 Comment
  UCR202436  Bromus carinatus 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
  RSA522269  Bromus diandrus Steve Boyd, D. E. Bramlet, Harry Spilman 1989-4-30 3515 Riverside Gavilan Hills, Harford Springs County Park on the N edge of the Gavilan Plateau, E of Gavilan Creek 610 Comment
  UC1979673  Bromus diandrus Darin L. Banks, Steve Boyd 1995-5-3 201 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
  RSA750754  Bromus hordeaceus Scott D. White, Justin M. Wood 2009-5-22 12898 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  RSA179504  Bromus hordeaceus E. W. Lathrop 1964-5-10 5352 Riverside 10 miles west of Murrieta. 610 Comment
  RSA564647  Bromus inermis A. C. Sanders 1980-7-22 1726 Riverside San Jacinto Mountains. Dutchman's Flat in Bear Trap Canyon about 1 mile (airline) west of Idyllwild. 1814 Comment
  SEINET14423552  Bromus mollis M. Fellows 1983-5-9 Riverside Just W of the UCR Herbarium Comment
  UCR162376  Bromus rubens S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, Juan Diego Flats on powerline trail west to Reed Valley, NW of Cahuilla Mountain 1244 Comment
  RSA0080355  Bromus tectorum Steve Boyd 2011-3-29 12305 Riverside Southeast end of range in south branch of Mission Canyon, just upstream from confluence with north branch. 762 Comment
  SD136964  Bromus tectorum Steve Boyd, Tim Ross, Dave Bramlet 1993-5-13 7381 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile. 410 Comment
  UCR214117  Bromus trinii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37747 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-15 436 Comment
  UCR59350  Buddleja officinalis David A. Young 1969-3-21 437 Riverside 3 mi. west of Elsinore on dirt road north of Highway 71, 500 yards off the highway. 244 Comment
  RSA405288  Caesalpinia virgata N. C. Cooper 1949-4-8 3245 Riverside Mecca Pass east of Indio. 548 Comment
  UC192964  Caesalpinia virgata S. B. and W. F. Parish Mar 1884 591 Riverside Colorado Desert Comment
  UC82887  Calandrinia ambigua C. R. Orcutt 1891-4-24 Riverside Indio Comment
  RSA728145  Calandrinia ciliata Daphne K. Christopher, Hannah Stevens, Zachary Princip 2003-4-7 111 Riverside Santa Rosa Plateu Nature Conservancy Preserve. Tenaja Truck Road. 610 Comment
  SDSU18749  Calandrinia ciliata C. Matt Guilliams 2008-2-13 455 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 451 Comment
  UCR123752  Calandrinia ciliata Steven R. Hill 2001-4-29 33523 Riverside Calimesa, south side of Route I-10 right-of-way, 0.2 mi west of Desert Lawn Road exit 705 Comment
  UCR51068  Calandrinia ciliata S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  UCR84588  Calandrinia ciliata Scott D. White, S. Ogg 1994-4-21 1970 Riverside San Bernardino Mountains, Millard Canyon, near stream crossing with US Forest Service Road 2S05, about 4 mi south of Bear Wallow Spring 915 Comment
  RSA757464  Callitriche marginata R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55208 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  LA6440  Calocedrus decurrens Carl Epling; May 1938 sn Riverside San Jacinto Mountains, Idyllwild Comment
  RSA734158  Calochortus concolor Keith E. Hoffmaster 1937-6-6 802 Riverside Pinon Flat Comment
  UC729899  Calochortus invenustus Carl B. Wolf 1932-8-5 Riverside on trail from Tahquitz Valley to San Jacinto Peak (fork of Tahquitz Creek); San Jacinto Mts., Tahquitz Creek 2743 Comment
  UCR89806  Calochortus weedii var. weedii Scott D. White 1993-5-27 1417 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  JOTR31125  Calycoseris parryi La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2507 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ridgeline south of Quail Mountain peak with steep, north facing slopes (Stop 4) Comment
  CLARK-A1528-3815  Calyptridium monandrum John C. Roos 1952-4-23 5581 Riverside Box Springs Mountains Comment
  UCR256759  Calyptridium monandrum T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7889 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  UCR35073  Calyptridium monandrum L. B. Ziegler 1969-5-27 365 Riverside San Jacinto Mtns., Cahuilla Indian Reservation 1113 Comment
  RSA788871  Calyptridium parryi Gary D. Wallace 2003-7-8 4031 Riverside Hidden Lake. Comment
  SD237410  Calystegia macrostegia A. C. Sanders, T. B. Salvato 2011-4-1 38956 Riverside Peninsular Range: Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74. 404 Comment
  RSA614702  Calystegia macrostegia subsp. intermedia George K. Helmkamp, E. A. Helmkamp 1997-3-5 1327 Riverside 2.8 mi SE of Gilman Hot Springs. 518 Comment
  RSA525284  Calystegia macrostegia subsp. macrostegia Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota, Bob Boyd 1990-5-3 4598 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  UC64607  Calystegia macrostegia subsp. tenuifolia H. M. Hall 1897-6-1 595 Riverside Riverside Comment
  SEINET272325  Camissonia bistorta A. C. Sanders, G Helmkamp 1997-3-15 19965 Riverside Lake Skinner Area; lower Rawson Canyon along the dirt road toward Bachelor Mtn. UTM 10km cell: MH-9E 1N. Skinner Reser 457 Comment
  UCR118781  Camissonia bistorta A. C. Sanders, T. B. Salvato 2000-5-25 23426 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA465989  Camissonia boothii subsp. condensata A. C. Life 1928-3-17 s.n. Riverside Colorado Desert, Painted Canyon. Comment
  RSA465992  Camissonia boothii subsp. condensata Christopher Davidson 1973-4-1 1845 Riverside Palm Springs. 488 Comment
  POM14267  Camissonia brevipes subsp. brevipes P. A. Munz, D. Keck 1922-4-9 4795 Riverside Palm Springs. 457 Comment
  RSA124262  Camissonia brevipes subsp. brevipes E. K. Balls, P. C. Everett 1958-3-20 22936 Riverside south base of Eagle Mountains. US Highway 60/70. 366 Comment
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Apr 14 2009
  RSA466166  Camissonia californica N. C. Cooper 1944-4-23 1107 Riverside Cabazon. 457 Comment
  RSA68293  Camissonia californica Verne Grant, Alva Grant 1951-4-7 15981 Riverside Colorado Desert, Morongo Valley road [Hwy 62] ca. 1 miles North of Highway 60 671 Comment
  UCR226584  Camissonia californica Jim Andre 2011-2-18 15816 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  POM3190  Camissonia campestris subsp. campestris H. M. Hall 1902-04 2917 Riverside Vicinity of Winchester 457 Comment
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Mar 20 2011
  SEINET3093302 Image available Camissonia cardiophylla A. C. Sanders, S. White, C . L. Sanders 1994-10-9 15813 Riverside San Bernardino Mountains: Whitewater Cyn, 2 mi. below trout farm, above Bonnie Bell. 549 Comment
  JOTR32445  Camissonia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2211 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  UCR148858  Camissonia claviformis S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  RSA776766  Camissonia claviformis subsp. aurantiaca Amber Swanson 2011-4-8 382 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  JOTR28886  Camissonia claviformis subsp. claviformis La Doux, Tasha 2004-2-24 1121 Riverside Joshua Tree National Park. Cottonwood Canyon 932 Comment
  UCR103325  Camissonia claviformis subsp. claviformis George K. Helmkamp 1998-2-5 2637 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  POM160102  Camissonia claviformis subsp. peirsonii E. C. Jaeger 1927-3-23 s.n. Riverside Salt Creek Wash, Colo. Desert Comment
  RSA175094  Camissonia claviformis subsp. yumae Robert F. Thorne 1963-3-29 32412 Riverside 9 miles E of Mecca, Mecca Hills 152 Comment
  RSA448969  Camissonia claviformis subsp. yumae N. R. Zabriskie, Walter Zabriskie 1973-3-19 577 Riverside Triangle formed S of Freeway (I-10), N of Ramon Rd., E of intersection with Bob Hope Dr., N of Palm Desert, Coachella Valley. (Site 19). 61 Comment
  UCR48512  Camissonia graciliflora Steve Boyd 1986-4-2 1637 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  SEINET7042773  Camissonia graciliflora W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Road shoulder on Long Valley Road north of Tecula. Ca. 0.1 mile east of U.S. 395 [=Interstate 15 & Route 79]. Comment
  RSA523475  Camissonia hirtella Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4037 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA572981  Camissonia hirtella Steve Boyd 1986-4-22 1759 Riverside Temescal Canyon: stable alluvial benches of Indian wash just south of Interstate 15. Comment
  UCR154451  Camissonia hirtella A. C. Sanders, Mike Misenhelter 2005-6-15 30962 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR154747  Camissonia hirtella T. B. Salvato, Kent Beaman 2005-5-16 779 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
  UCR177996  Camissonia hirtella S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR251711  Camissonia ignota T. B. Salvato 2014-4-9 7837 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  UCR97652  Camissonia ignota A. C. Sanders, G. Helmkamp 1997-3-15 19955 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 534 Comment
  UCR281241  Camissonia intermedia Mitch Provance, Jeremiah George 2017-3-21 317- 61 Riverside Temescal Valley, S side of Highway I-15, 0.2 miles SSE of Glen Eden Rd. and De Palma Rd. 396 Comment
  SEINET9354150  Camissonia kernensis Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  UCR256752  Camissonia micrantha T. B. Salvato, Matthew Malle 2013-4-5 7527 Riverside Perris-Aguanga Basin, Sedco Hills, east-facing slope above the intersection of Green Meadow Way and Beverly Street, c. 5 mi east of Lake Elsinore 579 Comment
  RSA465911  Camissonia pallida subsp. hallii N. C. Cooper 1944-3-25 1023 Riverside Cabazon. 457 Comment
  RSA72280  Camissonia refracta Robert L. Dressler 1949-3-19 422 Riverside Coxcomb Mountains, 23 miles NE of Desert Center. Comment
  SEINET3093251 Image available Camissonia refracta A. C. Sanders 1988-5-11 7798 Riverside Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal in a wash E of the gasline road from Ni-land. Comment
  UCR196374  Camissonia refracta Naomi Fraga, Lisa Rojas 2005-2-10 1351 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  RSA731013  Camissonia strigulosa M. Wall 2008-4-4 448 Riverside San Jacinto Valley, Bautista Creek SE of Hemet, off Bautista Rd. ca. 8.0 miles SE of junction with Fairview Avenue. 778 Comment
  UC56459  Camissonia strigulosa H. M. Hall Apr. 1903 3842 Riverside Moreno Valley Comment
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Mar 20 2011
  UC20431  Camissoniopsis bistorta H. M. Hall May 17 1901-Jun 1 1901 1909 Riverside Van Deventer's 1371 Comment
  SEINET7862011  Camissoniopsis bistorta M. F. Barrus 1919-12-15 50 Riverside Riverside Comment
  UCSB10494  Camissoniopsis ignota Breedlove, Dennis 1962-3-11 Riverside 5.7 miles southeast of U.S. 395 on State 74, road to Hemet 487 Comment
  UCSB18456  Camissoniopsis micrantha Field, L. 1963-5-4 Riverside 7.5 miles south of Banning, on Banning-Idyllwild Road 1158 Comment
  SEINET7063053  Cardionema ramosissimum A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Temecula and at the junction with Route 395 (115). UTM Zone 11, 485910mE, 3706825mN. (WGS84/NAD83). 308 Comment
  UCR262268  Carduus pycnocephalus A. C. Sanders 2006-5-13 32278 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CAS-BOT-BC34440  Carex deflexa var. boottii Peter H. Raven 1959-5-17 14228 Riverside San Jacinto Mountains. Lake Fulmore. Comment
  IRVC1229  Carex multicaulis R. H. Whittaker 1963-6-6 SJ 266 Riverside San Jacinto Ridge Road (5509) N Fork San Jacinto River. Peninsular Ranges, San Jacinto Mountains 1311 Comment
  RSA0014929  Carex pellita LeRoy Gross, Caitlin Elam 2013-5-14 6088 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR264635  Carex praegracilis Mitch Provance 2012-6-19 196- 03 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  CHSC106621  Carex sartwelliana P. F. Zika; Nick Otting 2010-8-6 25299 Riverside N Fork San Jacinto River, Dark Canyon, at Azalea Trails Girl Scout Camp, San Jacinto Ranger District, San Bernardino National Forest. 1910 Comment
  POM12145  Carex sartwelliana Mary F. Spencer 1921-6-30 1687 Riverside Idyllwild. San Jacinto Mountains. 1616 Comment
  RSA769158  Carex senta P. F. Zika, Nick Otting 2010-8-3 25243 Riverside Vicinity of Willow Creek, San Jacinto Wilderness Area, San Jacinto Mountains, Penisula Ranges 2550 Comment
  UCR35297  Carex senta L. B. Ziegler 1970-5-20 406 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon). 1677 Comment
  RSA559313  Carex spissa Steve Boyd, Timothy S. Ross, David E. Bramlet 1993-5-13 7375 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  RSA364778  Carex triquetra J. D. Olmsted 1962-5-10 3657 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  SD146274  Cassia nemophila A. C. Sanders, K. C. Rose 1999-5-28 22794 Riverside Coachella Valley: between La Quinta and Indio along Jefferson St. between Ave 54 and I-10 10 Comment
  UC406687  Castela emoryi Marcus E. Jones, A. M. 1929-9-16 24994 Riverside Hayfields , Hayfields (near Desert Center) Comment
  RSA544296  Castilleja affinis Steve D. Boyd, Tim S. Ross 1991-6-14 6351 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  UCR59508  Castilleja affinis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3557 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  UCSB5966  Castilleja applegatei subsp. martinii Wilson, Richard 1958-5-17 Riverside Palms to Pines Hwy. and Junction of road to Dark Canyon, San Jacinto Mtns. 1524 Comment
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Nov 23 2014
  SEINET7063463  Castilleja exserta A. G. Vestal 1947-3-31 s.n. Riverside About 2.3 miles north of Lake Elsinore off present I 15. UTM Zone 11, 467263mE, 3929340mN. (WGS84/NAD83). 396 Comment
  JEPS32879  Castilleja foliolosa Lloy Thurman 1963-12-15 Riverside 3.6 mi n Whitewater (lower end of Whitewater Canyon); Whitewater Canyon Comment
  RSA716390  Castilleja foliolosa Scott D. White, Angelia Carey 2004-4-5 9985 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  SEINET3079690 Image available Castilleja foliolosa B. Pitzer 1986-4-26 181 Riverside San Bernardino Mtns.; Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  RSA0010912  Castilleja minor subsp. spiralis Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2136 Riverside Santa Rosa Mountains. Comment
  UCR224387  Casuarina cunninghamiana Justin M. Wood 2010-1-5 1408 Riverside Prado Basin, city of Corona, Pomona-Rincon Road, 0.2 mi north of the intersection with Railroad Street 165 Comment
  SD186121  Catalpa bignonioides A. C. Sanders, Guy Bruyea 2003-6-12 26892 Riverside Winchester, southeast side of town between Simpson Ave. and Olive Ave., east of Highway 79/Winchester Rd. 449 Comment
  RSA500927  Caulanthus heterophyllus Christopher Davidson 1973-4-1 1792 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  UC1595632  Caulanthus heterophyllus Steve Boyd and Dave Bramlet 1991-5-13 6242 Riverside n side Domenigoni-Diamond Valleys ese Winchester (Domenigoni Hills, s of s-end Warren Rd.); Domenigoni Hills, n side Domenigoni-Diamond Valleys ese Winc 548 Comment
  UC1929315  Caulanthus heterophyllus Scott D. White, Justin Wood 2008-4-16 11889 Riverside Perris/Elsinore Basin; Hills to the W of I-215 and S of Scott Rd. Comment
  UC75765  Caulanthus heterophyllus Miss M. Alice King March, 1893 Riverside bet. Elsinore and Menifee; bet. Elsinore and Menifee Comment
  UCR217507  Caulanthus simulans Jeff B. Galvin 2009-4-14 83 Riverside Perris-Aguanga Basin, Duranso Valley, 2.5km east of Bonny Lane 1367 Comment
  RSA717671  Ceanothus crassifolius A. C. Sanders 2004-2-6 27387 Riverside Foothills at edge of Temescal Valley, intact ridge at a development called 'Trilogy at Glen Ivy,' south of Brown Canyon 442 Comment
  SDSU10234  Ceanothus crassifolius Leslie D. Hickson 1992-3-9 09 III92A Riverside About 2.0 miles W oof Temecula, on Rancho California Rd. Found on the SW corner of Rancho California and Via Santa Rosa, ca. 100 ft off road. 475 Comment
  UCR59684  Ceanothus crassifolius Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2972 Riverside Peninsular Range, Vail Lake area, Temecula Creek Cyn below Vail Lake dam 418 Comment
  UCR132921  Ceanothus greggii 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
  SD42449  Ceanothus integerrimus var. macrothyrsus Carl B. Wolf 1941-8-15 11155 Riverside Santa Ana Mts. Santiago Peak, N. side I(c) mi. from summit 1676 Comment
  JEPS42394  Ceanothus leucodermis C. V. Meyer June 1927 136 Riverside Saunder's Meadow San Jacinto Mts. Comment
  LA42071  Ceanothus leucodermis H. L.; 1937-6-4 sn Riverside San Jacinto 609 Comment
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Mar 12 2014
  LA44870  Ceanothus leucodermis W. Pequegnat; 1939-4-8 44 Riverside Santa Ana Mountains Comment
  RSA25757  Ceanothus leucodermis Carl B. Wolf 1941-8-12 11143 Riverside 1 6/10 mi.So.of Idylwild on road to Tahquitz Lodge 1524 Comment
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Sep 18 2011
  RSA583614  Ceanothus leucodermis Steve Boyd, Darin Banks 1995-3-30 8409 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  UCR92191  Ceanothus leucodermis D. L. Banks, Steve Boyd 1995-3-16 0098 Riverside Peninsular Range, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, Arroyo Seco drainage. 549 Comment
  UCSB3916  Ceanothus leucodermis Kamb, Peter 1948-7-4 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  SEINET11192040  Ceanothus oliganthus subsp. oliganthus C. L. Schmidt 1995-3-25 1315 Riverside ca. 10 miles S of Hemet R3 (Sage Road) St. John's Canyon, close to McGee Hills. 610 Comment
  RSA508356  Ceanothus oliganthus var. sorediatus Ed LaRue 1989-6-14 s.n. Riverside E edge of Plateau overlooking town of Murrieta; ca 1.25 mi W of town and ca 1 mi (airline) E of De Luz Road 549 Comment
  CAS-BOT-BC51645  Ceanothus ophiochilus Steve Boyd; Tim Ross 1993-3-23 7893 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 670 Comment
  UCR4118  Ceanothus perplexans Ronald M. Cope 1965-3-20 s.n. Riverside Peninsular Range; San Jacinto Mtns., in valley on road from Idyllwild to Banning, 5 mi below Lake Fulmor 1296 Comment
  UCSB22483  Ceanothus perplexans Easley, Bill 1964-5-10 Riverside Pinyon Flats Camp Ground on Calif. 71. 1249 Comment
  UCSB39074  Ceanothus perplexans Jorgensen, Jan 1982-2-19 Riverside 3 kilometers up highway 243 from Interstate 10, Banning. San Jacinto mountains. 1000 Comment
  SBBG68539  Ceanothus vestitus R. Hoffmann 1929-9-11 Riverside Hamilton Grade Comment
  UC1131362  Cenchrus longispinus H. S. Yates 1937-6-28 6734 Riverside Palm Springs; San Jacinto Quad. Comment
  UCD57824  Cenchrus longispinus H. S. Yates 1937-6-28 6734 Riverside Palm Springs 137 Comment
  UCR115138  Centaurea melitensis Mitch Provance 2000-10-28 2273 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  UCR135857  Centaurium venustum A. C. Sanders 2004-4-20 27529 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  CAS-BOT-BC226945  Centromadia pungens subsp. laevis A. C. Sanders; John F. Green 2012-5-27 40218 Riverside Peninsular Range; Perris-Aguanga Basin Region: Lake Elsinore, SE of Riverside Dr. (Hwy 74) on NE side of Pasadena Ave., NW of Central Ave. 386 Comment
  RSA707578  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 s.n. Riverside Hemet. South of Highway 74, and west of Warren Road. Comment
  RSA496460  Cerastium glomeratum Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-31 3076 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 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
  RSA405368  Cercidium floridum R. S. Woglum 1937-4-24 297 A Riverside Palm Springs. Comment
  RSA0122712  Cercocarpus betuloides Duncan S. Bell, LeRoy Gross 2016-3-30 9150 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
  RSA171391  Cercocarpus betuloides J. D. Olmsted 1962-3-5 3490 Riverside Ravine at edge of Thomas. Mt. fire road south of Hemet Lake, NE flank of Thomas Mt.. 1418 Comment
  RSA191420  Cercocarpus betuloides E. W. Lathrop, Robert F. Thorne 1967-9-26 6608 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  RSA562609  Cercocarpus betuloides Steve D. Boyd 1992-10-14 7717 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Northeastern corner of the wilderness, south of Elsinore Peak. 976 Comment
  RSA773041  Cercocarpus betuloides var. betuloides Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5040 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. 732 Comment
  UCR65288  Cercocarpus minutiflorus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3882 Riverside Peninsular Range, Vail Lake area, cinder cone ridge at north side of mouth of Temecula Creek Canyon and adjacent benches on S flank of 'Big' Oak Mtn. 549 Comment
  POM265788  Chaenactis artemisiifolia J. C. Roos 1937-5-10 2070 Riverside South of Lake Elsinore Comment
  RSA503409  Chaenactis artemisiifolia J. D. Olmsted 1962-5-10 3645 Riverside Crest between Sandia Creek and DeLuz Creek drainages. 259 Comment
  RSA674925  Chaenactis artemisiifolia Scott D. White, P. De Vries 2000-4-25 7727 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  CAS-BOT-BC276385  Chaenactis carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  CAS-BOT-BC276399  Chaenactis carphoclinia N. Aitkenhead 1977-2-2 2113 Riverside 1 mile from junction of JT Mon. Road and pipeline Comment
  POM351670  Chaenactis carphoclinia var. carphoclinia L. H. Jones 1910-3-15 s.n. Riverside Rocky mountainside, Riverside Mtn, Colorado Rivers,. 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
  CAS-BOT-BC172823  Chaenactis glabriuscula A. C. Sanders 2004-6-25 28281 Riverside Peninsular Range: Boden Canyon, tributary of Santa Ysabel Creek at E end of San Pasqual Valley; near the pond (reservoir) in middle DFG parcel 335 Comment
  UCR22117  Chaenactis glabriuscula Steve Boyd 1980-5-15 283 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  UCR59522  Chaenactis glabriuscula Steve Boyd, T. Ross, L. Arnseth 1989-6-4 3608 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  CAS-BOT-BC277409  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-5-1 1808 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow, gabbro substrate; Skunk Hollow vernal pool Comment
  UCR112484  Chaenactis glabriuscula var. glabriuscula A. C. Sanders, T. B. Salvato 2000-5-30 23439 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA49385  Chaenactis macrantha Philip A. Munz 1949-4-12 13027 Riverside North base of Eagle Mts., Mojave Desert 945 Comment
  CAS-BOT-BC100680  Chaenactis parishii Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  CHSC108501  Chaenactis stevioides Naomi Fraga; Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1422 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  RSA0039853  Chaenactis stevioides Duncan S. Bell, Evan Meyer 2014-4-2 6508 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UC69077  Chaenactis stevioides H. M. Hall 1905-4-1 5935 Riverside McCoy Wash Colorado Desert, McCoy Wash 91 Comment
  RSA0013034  Chamaesyce albomarginata LeRoy Gross, Caitlin Elam 2013-5-14 6057 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCSB8661  Chamaesyce albomarginata Haller, Norman 1953-5-24 Riverside Pinyon Flats, San Jacinto Mts., Hwy. 74 1219 Comment
  RSA70546  Chamaesyce arizonica F. W. Peirson 1922-12-28 4256 Riverside Andreas Canyon near Palm Springs Comment
  SBBG4020  Chamaesyce micromera H. and M. Dearing 1936-12-25 946 Riverside Thousand Palms Cyn Comment
  UC56927  Chamaesyce polycarpa H. M. Hall May 17 1901-Jun 1 1901 Riverside Palm Canyon 457 Comment
  RSA432483B  Chamaesyce polycarpa var. hirtella G. R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms Colorado Desert Cal. Comment
  RSA651896  Chamaesyce polycarpa var. polycarpa Douglas A. Springer 1981-2-16 11 Riverside 3.9 miles NW of California State Hwy. 74 on Santa Rosa Rd. approx. 5 miles from Perris. Comment
  RSA522311  Chamaesyce prostrata Steve Boyd 1989-7-9 3781 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  UC196601  Chamaesyce setiloba Joseph Grinnell 1910-3-17 Riverside Riverside Mtn, Colorado River Comment
  RSA500534  Cheilanthes clevelandii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3626 Riverside Vail Lake area, just S of Jtn Hwy 79 and road to Vail Lake Marina, Butterfield Valley. 457 Comment
  JOTR32631  Cheilanthes covillei La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2554 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flat, southeast of trailhead heading toward Smith Water Canyon (Stop 2) 1398 Comment
  RSA85537  Cheilanthes covillei F. W. Peirson 1922-4-10 s.n. Riverside Murray Canyon, Palm Springs Region. 457 Comment
  RSA690939  Cheilanthes newberryi Scott D. White, Michael Honer 2003-5-27 9397 Riverside 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 e2349.' 396 Comment
  RSA702731  Cheilanthes newberryi Scott D. White, Michael Honer 2004-4-6 10058 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  UC1077121  Cheilanthes newberryi Herbert L. Mason 1926-5-2 3201 Riverside Temecula Valley 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
  SFV6304  Cheilanthes parryi T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 58 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Comment
  UCR91550  Cheilanthes parryi A. C. Sanders, C. L. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay 1995-2-12 15925 Riverside Sonoran (Colorado) Desert, Coachella Valley, mouth of East Double Canyon, Little San Bernardino Mtns, 1.4 mi above Aqueduct Rd. 581 Comment
  UCR181631  Chenopodium Mitch Provance 2003-6-7 7610 Riverside San Bernardino Valley, Jurupa Mountains (extreme northwest end), near Philadelphia Street 262 Comment
  UCR149980  Chenopodium album Scott D. White, Angelia Carey 2004-5-7 10328 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR114542  Chenopodium berlandieri A. C. Sanders, K. C. Rose 1999-6-18 22810 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  UC1951128  Chenopodium californicum Scott D. White, Justin Wood 2009-5-22 12900 Riverside SAN JACINTO MOUNTAINS: Quinn Flat Meadow. USGS Idyllwild 7.5' Quad. Comment
  UC2015588  Chenopodium californicum Scott D. White 1996-3-23 3845 Riverside Perris Basin, Santa Rosa Hills, SE of Hemet (Loomis property: Friendly Hills Ranch). Comment
  UCR231323X  Chenopodium desiccatum Mitch Provance 2000-7-30 2171 Riverside Jurupa Mountains, NW Jurupa Mtns; SW of the E extreme of Philadelphia St. 305 Comment
  UCR278870  Chenopodium missouriense Mitch Provance 2012-11-10 17600 Riverside San Bernardino Valley, Riverside, Springbrook Creek (remnant) Fairmont Park, between the east side of Lake Evans and the west side of Market St. 245 Comment
  UC447179  Chenopodium murale J. Ewan 1931-4-3 4127 Riverside Wiley Well Colorado Desert Comment
  UCR108713  Chenopodium murale Scott D. White, Pam DeVries 1998-2-9 6081 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  UCR119413  Chenopodium pratericola Mitch Provance 1998-6-11 647 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  UCR167802  Chenopodium pumilio T. B. Salvato, Melissa Clemons 2005-6-23 1302 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  CLARK-A1528-320  Chilopsis linearis C. M. Flanagan 1973-5-31 OO 608 Riverside Morongo Indian Reservation 853 Comment
  SD46673  Chilopsis linearis P. C. Everett, E. K. Balls 1956-5-2 21560 Riverside Southwest Eagle Mountains, 3.1 miles north from junction with Highway 60/70 along road to Lost Palms Canyon 715 Comment
  UCSB56453  Chilopsis linearis Fulton, Michelle 1986-3-9 Riverside Box Canyon, 5 mi. NE of Mecca 60 Comment
  SEINET8733767 Image available Chilopsis linearis James W. Hardin 1969-1 13284 Riverside Desert, just ne. of Palm Springs. 4 Comment
  UC370345  Chilopsis linearis subsp. arcuata unknown 1928-5-20 3 Riverside Palm Springs Comment
  UC218020  Chimaphila umbellata P. A. Munz 1922-7-7 6055 Riverside San Jacinto Mts., N. Fork Tahquitz Creek 2133 Comment
  UC2031354  Chloracantha spinosa Duncan S. Bell 2013-10-29 6089 Riverside Colorado Desert, Chocolate-Chuckwalla Mountains:Hayfields Dry Lake, N of Interstate10, about 1 mile SW of the pumping station. Comment
  UC64797  Chloracantha spinosa var. spinosa E. E. Schellenger 1904-2-9 3 Riverside Paloverde Bench Colorado River Comment
  RSA0012171  Chloris truncata A. C. Sanders, T. B. Salvato 2011-3-28 38816 Riverside Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  CAS-BOT-BC184863  Chloris virgata Mrs. C. M. Wilder 1909-9-3 s.n. Riverside West Riverside. Comment
  SD27991  Chloris virgata Carl B. Wolf 1932-4-28 3071 Riverside Colorado Desert. Chuckwalla Valley, 20 mi west of Blythe on the Mecca Road. 121 Comment
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Mar 26 2011
  UCD59674  Chloris virgata H. S. Yates 1937-6-28 6740 Riverside Near Indio. 30 Comment
  UCR114748  Chorizanthe A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20679 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek 915 Comment
  JOTR35321  Chorizanthe brevicornu var. brevicornu Harding, Mitzi, Mark Wheeler 2012-2-28 89 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  POM8420  Chorizanthe brevicornu var. brevicornu P. A. Munz, R. D. Harwood 1920-4-14 3517 Riverside Pass near Palm Springs. 152 Comment
  RSA392617  Chorizanthe brevicornu var. brevicornu Anstruther Davidson 1903-5-3 s.n. Riverside Thermal Comment
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Aug 9 2010
  SBBG1396  Chorizanthe brevicornu var. brevicornu H. and M. Dearing 1937-4-10 2848 Riverside Thousand Palms Cyn Comment
  UCR21931  Chorizanthe coriacea Steve Boyd 1980-5-2 159 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR87931  Chorizanthe coriacea A. C. Sanders, N. Ferguson 1994-6-2 14634 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  RSA674686  Chorizanthe corrugata Scott D. White 2001-4-27 8424 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway ca. 15 miles east of the Indio jtn. of I-10/ SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station. 396 Comment
  RSA784658  Chorizanthe fimbriata Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 65 Riverside South main divide road splitting. Comment
  SEINET7288902  Chorizanthe fimbriata var. laciniata Russell S. Woglum 1941-5-17 3052 Riverside Sonoran Desert/ Peninsular Ranges Transition: Horse Canyon, off Coyote Canyon Comment
  RSA572973  Chorizanthe leptotheca Steve Boyd 1986-4-19 1706 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  UCR167080  Chorizanthe parryi var. parryi Scott D. White 2005-3-29 10852 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UCR217496  Chorizanthe polygonoides var. longispina Lee A. Ripma, Jeff B. Galvin 2008-5-21 100 Riverside Palomar Mtns, Agua Tibia, west of Woodchuck Rd., east of Pechanga Indian Reservation 792 Comment
  SD134407  Chorizanthe procumbens Craig Reiser 1989-4-19 Riverside Southeast corner of De Portola and Colt Road Comment
  CAS-BOT-BC246240  Chorizanthe rigida Frank W. Peirson 1922-4-11 2863 Riverside Deep Canyon Wash, 12 miles southeast of Palm Springs 243 Comment
  UC284256  Chorizanthe staticoides P. A. Munz, D. Keck 1923-6-14 7066 Riverside Glen Ivy Trail to Santiago Peak; Santa Ana Mts., 1127 Comment
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Apr 1 2013
  UCR181353  Chorizanthe staticoides Nathan Moorhatch 2004-5-17 s.n. Riverside Santa Ana River Valley, Colton, Santa Ana River Wash, near the N. Main Street/Riverside Ave. Bridge 256 Comment
  RSA339659  Chorizanthe watsonii Robert F. Thorne, C. W. Tilforth 1980-5-28 54225 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  UC847775  Chrysolepis sempervirens P. A. Munz 1922-7-6 6018 Riverside Tahquitz Valley; San Jacinto Mts. 2225 Comment
  RSA296169  Chrysothamnus paniculatus B. A. Prigge 1980-8-5 3868 Riverside San Bernardino Mts, Whitewater Canyon: 0.5 miles N of trout farm. Slopes and terraces of canyon. 716 Comment
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Jan 14 2010
  UC68583  Chylismia cardiophylla subsp. cardiophylla H. M. Hall Apr. 1905 5822 Riverside Indio Mt. Colorado Desert 152 Comment
  UCSB4431  Chylismia claviformis Haller, John 1957-3-23 Riverside at southern boundary of Joshua Tree Natl Mon; 4 air miles S. of Cottonwood Sprs; and 1 mile N. of juct with US 60 609 Comment
  CAS-BOT-BC160626  Chylismia claviformis subsp. aurantiaca L. R. Abrams 1926-3-26 11083 Riverside Between Palm Springs and Indian Wells Comment
  CAS-BOT-BC160633  Chylismia claviformis subsp. aurantiaca Aven Nelson; Ruth A. Nelson 1939-3-28 3305 Riverside South of Mecca on hiway 111, to Salton Sea Comment
  RSA752785  Cirsium occidentale var. californicum Scott D. White, Justin M. Wood 2009-5-21 12836 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  CAS-BOT-BC286458  Cirsium scariosum John Thomas Howell 1952-10-24 28865 Riverside At south end of Santa Ana Mts., Santa Rosa Ranch nw. of Murieta [Murrieta] 914 Comment
  UCR106357  Cirsium vulgare John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  CAS-BOT-BC438860  Cistanthe monandra John Thomas Howell 1930-5-10 4806 Riverside At top of St. John's Grade Comment
  UCD104884  Clarkia purpurea A. C. Sanders; T. B. Salvato 2001-5-3 24088 Riverside Perris-Aguanga Basin region. Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley. 494 Comment
  UCR116665  Clarkia purpurea A. C. Sanders, Carolyn Washburn 2001-5-10 24233 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
  UCR127552  Clarkia purpurea A. C. Sanders, T. B. Salvato 2003-5-21 26800 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
  UCR44184  Clarkia similis A. C. Sanders, B. Pitzer 1986-4-30 6476 Riverside San Jacinto Mtns., lower Bee Canyon, 0.2 mi. above the mouth of the canyon. 610 Comment
  RSA0013703  Claytonia LeRoy Gross, Grace Cho 2013-4-9 5999 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR220120  Claytonia parviflora D. E. Bramlet 1989-4-7 1819 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, southeast slope of Bachelor Mountain, c. 3200 ft. NW of Rawson Canyon & 8300 ft. east of Lake Skinner dam 476 Comment
  SBBG34198  Claytonia parviflora subsp. viridis T. L. Secrest 1951-5-21 Riverside Idyllwild 1524 Comment
  UCR121659  Claytonia parviflora subsp. viridis A. C. Sanders 1997-3-19 20020 Riverside Lake Skinner area, Lower Rawson Canyon at 3-way road junction (heron rookery site) c. 1 km NE of the lake 457 Comment
  UCR121663  Claytonia parviflora subsp. viridis A. C. Sanders 1997-3-19 20012 Riverside Lake Skinner area, hills between Tucalota Creek and lower Rawson Canyon, c. 1/2 mi. (1 km) east of the lake 488 Comment
  UCR214581  Claytonia perfoliata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37849 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.93 mi. north (03 deg. ) of intersection of I-15 and Lake St. 469 Comment
  OBI74378  Clematis lasiantha David J. Keil 1983-4-15 16900 Riverside E of Temecula on SR 79 Comment
  RSA25841  Clematis lasiantha Carl B. Wolf 1941-8-15 11156 Riverside Santa Ana Mountains E slope along Main Divide Motorway between Indian Canyon summit and Trabuco Pk. Alt. 4500 ft. 1372 Comment
  SEINET10536024  Clematis lasiantha James S. Miller 1992-5-8 Miller 7461 Riverside 1 mi N of California route 74 on Main Divide Road; near NE border of Cleveland National Forest. 900 Comment
  CLARK-A1528-3851  Clematis ligusticifolia John C. Roos 1965-10-7 Riverside Riverside Comment
  CLARK-A1528-3852  Clematis ligusticifolia John C. Roos 1965-10-7 Riverside Riverside Comment
  UC64112  Clematis ligusticifolia Harvey M. Hall 1897-7-26 735 .5 Riverside San Jacinto Mts. Comment
  JOTR32029  Clematis pauciflora Herskovits, Tasya & Harding, Mitzi 2011-4-28 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Mountain: Wonderland of Rocks; Wall Street Mill trailhead; open sandy flats surrounding boulder outcrops 1304 Comment
  SDSU13525  Clematis pauciflora W. Miller with C. Mosse 1972-7-20 Riverside Comment
  UCR16742  Clematis pauciflora Rodney Hendrick 1965-5-2 s.n. Riverside Peninsular Range, Temecula Creek and Hwy. 71 610 Comment
  RSA543191  Cleome isomeris Steve Boyd, Timothy S. Ross, Mike Hammit 1991-5-2 6111 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA699997  Collinsia bicolor Jeanne Paxton 1934-4-15 s.n. Riverside Hagador Canyon Comment
  RSA0117424  Collinsia concolor Steve D. Boyd, Tim S. Ross, L. Arnseth, J. Bonilla 1990-4-2 3985 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR121081  Collinsia concolor A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24984 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  RSA0117402  Collinsia concolor Ora M. Clark 1929-3-16 1714 Riverside N. of White Water Colorado Desert. Comment
  UCR3242  Conium maculatum Bob Brownell 1964-5-15 s.n. Riverside [Live] Oak Canyon, on Riverside/San Bernardino County line. [near Yucaipa] 549 Comment
  RSA629033  Convolvulus arvensis Scott D. White 1998-6-28 6787 Riverside Corona: River Road bridge over the Santa Ana River. 159 Comment
  UCR201428  Convolvulus arvensis Scott D. White, Justin M. Wood 2008-6-17 12162 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  UCR189584  Convolvulus simulans Theresa Johnson 2006-3-30 006 Riverside Peninsular Range, Santa Rosa Plateau, western edge of Mesa de Burro 571 Comment
  RSA702048  Conyza canadensis Scott D. White, Angelia Carey 2004-9-16 10757 Riverside San Jacinto Mountain foothills: Indian Creek watershed, above confluence w/ San Jacinto River. Former homestead area with persisting pond (cattle pond?) & adj. wetlands and seep. 579 Comment
  RSA412342  Cordylanthus rigidus subsp. setiger H. de Forest, Jack Rempel 1932-10-22 19341 Riverside Pines to Palms HIghway Comment
  RSA552693  Coreopsis californica Steve Boyd, Orlando Mistretta, Timothy S. Ross 1992-2-26 6701 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  JOTR31012  Coreopsis californica var. californica La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1301 Riverside Joshua Tree National Park. Stop 7: Hexie Mountains, Pleasant Valley, along Geology Tour road loop, just south of where loop begins 1039 Comment
  UC62879  Coreopsis californica var. californica H. M. Hall 1902-4-18 2924 Riverside Foothills 762 Comment
  RSA33795  Corethrogyne filaginifolia Norman C. Cooper 1943-9-11 902 Riverside San Jacinto Mtns. below Idlewild. 1067 Comment
  UCR138821  Coronopus didymus D. L. Banks 1997-2-23 1296 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, south of Pechanga Rd. in the Reservation, north of Pechanga Creek and east of the Pechanga Tribal Government Center 367 Comment
  RSA583372  Cotula australis Steve Boyd, Darin L. Banks 1995-4-5 8426 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  SDSU17484  Crassula connata Jerry Jenkins 2001-3-30 2001 -004 Riverside Santa Margarita Ecological Reserve. Field by station. UTM zone 6, 482100E, 3699010N. UTM transfered to GIS. Comment
  UCR116463  Crassula connata A. C. Sanders, T. B. Salvato 2001-3-30 23860 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  UCR196894  Crassula connata A. C. Sanders, T. B. Salvato 2008-2-19 34425 Riverside San Bernardino Valley Region, Riverside, vacant lot at NW corner of the intersection of Chicago Ave. and M. Luther King (ex Pennsylvania) Ave. 296 Comment
  UCR20730  Crassula connata A. C. Sanders, Steve Boyd 1980-5-2 1394 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR22072  Crassula connata Steve Boyd 1980-4-27 133 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  SD125360  Crassula connata Robert F. Thorne, Earl Lathrop 1975-5-20 45501 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; vernally wet, clayey openings in grassland. 609 Comment
  RSA92578  Cressa truxillensis J. C. Roos 1952-5-21 5703 Riverside San Jacinto River bottomland 1.5 miles southeast of Perris 426 Comment
  CAS-BOT-BC175810  Crossosoma bigelovii P. A. Munz 1935-4-8 13834 Riverside Sheephole Mts., southern Mojave Desert 1066 Comment
  CLARK-A1656-825  Crossosoma bigelovii Jon Mark Stewart 1983-2-4 Riverside Palm Desert 330 Comment
  POM171375  Crossosoma bigelovii Marcus E. Jones 1929-03 s.n. Riverside Whitewater Creek. Comment
  RSA0121039  Crossosoma bigelovii Duncan S. Bell, LeRoy Gross 2016-3-29 9108 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  SDSU5799  Crossosoma bigelovii A. H. Gallup 1949-3-28 352 Riverside Palms to Pines Hwy. at 2500 ft. above Desert Center [interpreted to be Palm Desert], east slope, San Jacinto Mt. Range 762 Comment
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Jan 30 2013
  UC536862  Crossosoma bigelovii M. C. Jones 1934-2-18 Riverside Whitewater Canyon Colorado Desert Comment
  UC669209  Crossosoma bigelovii Annie M. Alexander and Louise Kellogg 1941-2-28 1877 Riverside Andreas Canyon San Jacinto Mountains 365 Comment
  UCR88544  Crossosoma bigelovii A. C. Sanders 1995-4-13 16491 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  RSA480573  Croton californicus Albert J. Perkins 1895-05 s.n. Riverside Near Riverside. Comment
  SEINET9252911 Image available Croton californicus Ronald L. Hartman, Fred Seaman 1972-3-23 3232 Riverside Hwy 111, 2 mi N of Palm Springs Comment
  UCD141983  Croton californicus Marian L. Vincent; Richard H. Swade 1963-10-19 465 Riverside Snow Creek Road; 2 miles from its intersection with California State Hwy.111. 365 Comment
  RSA189421  Croton californicus var. mohavensis L. S. Rose 1966-12-11 66097 Riverside Palm Springs. 152 Comment
  RSA480581  Croton californicus var. mohavensis H. de Forest 1932-8-27 s.n. Riverside Beaumont-Banning Pass Comment
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Dec 4 2011
  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
  JOTR35370  Cryptantha angustifolia Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 164 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  POM368199  Cryptantha angustifolia T. W. Minthorn 1926-5-14 s.n. Riverside Between Banning and Palm Springs. Comment
  RSA5166  Cryptantha angustifolia C. B. Wolf 1932-4-26 2977 Riverside Colorado Desert: 5 mi. E of Mecca on Blythe rd. 30 Comment
  RSA652889  Cryptantha angustifolia John Wallace, Steve McNabb 1991-5-5 9 Riverside Approximately one mile south of Thompsons Camp. Comment
  RSA778625  Cryptantha angustifolia Duncan S. Bell 2009-3-8 66 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  SBBG100804  Cryptantha angustifolia W. L. Halvorson 1977-2-5 77 -4 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  SBBG6233  Cryptantha angustifolia H. and M. Dearing 1942-3-3 4806 Riverside Cathedral City Comment
  UC280442  Cryptantha angustifolia Childs May 1920 Riverside e of Coachella Comment
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Nov 19 2011
  UCR34446  Cryptantha angustifolia George K. Helmkamp 1983-4-5 483 33 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  POM6630  Cryptantha barbigera P. A. Munz, L. T. Street 1919-3-27 2350 Riverside Salton Sea Comment
  JOTR34275  Cryptantha barbigera var. barbigera La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3290 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  RSA777728  Cryptantha barbigera var. barbigera J. Andre, G. Clifton 2011-2-22 17437 Riverside Mecca Hills; along Box Canyon Road, 8.5 miles NE of town of Mecca 171 Comment
  UCR244863  Cryptantha barbigera var. barbigera Jim Andre 2012-3-19 21384 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  JOTR29492  Cryptantha barbigera var. fergusoniae Andre, Jim, Tasha La Doux 2006-4-6 8148 Riverside Joshua Tree National Park. Approx. 50 m North of Keys View parking area 1552 Comment
  UCR140302  Cryptantha corollata A. C. Sanders 2004-4-9 27455 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR162544  Cryptantha corollata John F. Green 2005-4-29 s.n. Riverside Upper Santa Ana River Basin, eastern end of the Jurupa Mountains, Rubidoux area, immediately south of the county line, east of Armstrong Road 335 Comment
  UCR256763  Cryptantha corollata T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7885 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  CAS-BOT-BC218860  Cryptantha costata Lewis S. Rose 1938-2-1 38013 A Riverside Palowalla (30 miles e.of Desert Center) 121 Comment
  JOTR33864  Cryptantha costata La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3050 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps interspersed w/ basalt outcrops 349 Comment
  SBBG31927  Cryptantha decipiens K. W. Brown 1966-3-10 Riverside Hwy 111, 8.4 mi NW of Palm Springs 304 Comment
  CAS-BOT-BC218761  Cryptantha holoptera Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9574 Riverside Mecca Hills 2 miles up Painted Canyon Comment
  CAS-BOT-BC218762  Cryptantha holoptera Catherine A. Toschi 1963-4-10 63 :120 Riverside Boyd Desert Research Center, 5 miles south Palm Desert 304 Comment
  RSA528106  Cryptantha intermedia Scott D. White 1991-4-10 91 -66 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, & S of Cactus Valley Road 518 Comment
  RSA556514  Cryptantha intermedia Julie Greene 1993-4-10 1138 a Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. 475 Comment
  SD137838  Cryptantha intermedia Darin L. Banks, Steve Boyd 1995-5-3 247 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco 515 Comment
  UC1287159  Cryptantha intermedia C. L. Hitchcock 1966-3-16 24193 Riverside about 5 mi ne Aguanga Comment
  UC1563091  Cryptantha intermedia Steve Boyd 1986-3-1 1367 Riverside 0.25 mi s Harford Springs County Park; Gavilan Plateau, Gavilan Hills 640 Comment
  UCR120825  Cryptantha intermedia Ian G. Gillespie 2000-4-27 30 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 30 m south of DePalma Road 412 Comment
  UCR174947  Cryptantha intermedia Jennifer H. Jones, Toby Bartels 2006-4-23 275 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  UCR238127  Cryptantha intermedia Mark A. Elvin, Julie M. Vanderwier, Frank Sartuche 2002-5-16 2043 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  UCR87636  Cryptantha intermedia A. C. Sanders 1994-5-29 14547 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  SDSU21786  Cryptantha juniperensis A. C. Sanders, Helen Kennedy 2005-4-15 29505 Riverside South Coast: Batiquitos Lagoon Ecological Reserve, just N of the Leucadia, north side of the mouth of the lagoon between the railroad crossing and Carlsbad Blvd. 8 Comment
  POM3919  Cryptantha maritima H. M. Hall 1905-4-23 5858 Riverside Canyon Springs Comment
  UC573150  Cryptantha maritima Herbert L. Mason 1928-3-10 4227 Riverside Hidden Springs Canyon Coachella Mountains Comment
  UCR38249  Cryptantha maritima J. M. Stewart 1985-2-24 8501 Riverside Sonoran (Colorado) Desert, Coachella Valley, south of Pushawalla Palms Oasis, Indio Hills Comment
  CLARK-A1528-333  Cryptantha micrantha subsp. micrantha Charlotte Stocks 1964-4-26 Riverside Comment
  UCR261447  Cryptantha micrantha subsp. micrantha A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41430 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  POM318740  Cryptantha micrantha var. lepida Patricia Wilder 1968-7-5 4319 Riverside Idyllwild. San Jacinto Mountains, Strawberry-Little Tahquitz Creek Drainage Area. 1889 Comment
  RSA0013026  Cryptantha micrantha var. lepida LeRoy Gross, Caitlin Elam 2013-5-14 6045 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA741175  Cryptantha micrantha var. lepida Scott D. White, Justin M. Wood 2008-6-18 12204 Riverside Hiking trail from K flat to Apple Canyon Rd. 1341 Comment
  RSA526079  Cryptantha microstachys Steve Boyd, Timothy S. Ross 1990-5-11 4653 A 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
  SD137839  Cryptantha microstachys Darin L. Banks, Steve Boyd 1995-5-3 209 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, east of Dripping Springs Alcove Area along the lower benches of Arroyo Seco 500 Comment
  UCR128918  Cryptantha microstachys A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23900 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
  RSA503402  Cryptantha muricata J. D. Olmsted 1962-5-10 3611 Riverside L. Matthews Road ca. 1/2 mi. W of dam 427 Comment
  UCR68609  Cryptantha muricata Steve Boyd, D. E. Bramlet 1990-4-29 4477 Riverside Peninsular Range, Lake Skinner County Park, S flank of Bachelor Mtn. Comment
  SD4237  Cryptantha muricata var. jonesii Fidella G. Woodcock 1928-4-27 Riverside San Jacinto Mountain: Idyllwild Comment
  SBBG101669  Cryptantha muricata var. muricata S. Boyd 1991-5-20 6276 Riverside NW of Lake Elsinore, lower Rice Cyn, just inside Cleveland Nat For boundary 573 Comment
  CLARK-A1528-7857  Cryptantha nevadensis John C. Roos 1949-4-11 4246 Riverside Chuckwalla Mountains Comment
  UCR75086  Cryptantha nevadensis A. C. Sanders, E. J. Lawlor 1992-4-4 12144 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR213400  Cryptantha nevadensis var. nevadensis A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37461 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  HSC3620  Cryptantha pterocarya C. L. Hitchcock, C. V. Muhlick 1964-3-22 23251 Riverside Side canyon near S entrance to Joshua Tree National Monument. Comment
  RSA0123286  Cryptantha racemosa Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8999 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
  UCR37628  Cryptantha racemosa George K. Helmkamp 1984-5-2 D 14 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  JEPS67900  Cryptantha utahensis Marjorie D. Clary 1933-3-25 2073 Riverside Ebbens Creek Wash Colorado Desert, Santa Rosa Mountains 304 Comment
  UCR198184  Cryptantha utahensis Michael Honer, L. Hulse 2004-4-2 1874 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains. Blind Canyon, c. 0.5 mi north of Desert Hot Springs 488 Comment
  SBBG122657  Cucurbita palmata R. E. Riefner 2006-8-2 06 -349 Riverside vicinity of Alicante Dr at Jamawag Rd, N of Leon Rd; Lakeview Mtns 550 Comment
  CAS-BOT-BC224608  Cuscuta californica var. papillosa D. A. Johansen; J. A. Ewan 1932-4-11 7095 Riverside Deep Canyon Wash, Colorado Desert Comment
  RSA614688  Cuscuta ceanothi A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15792 Riverside (N slope): nameless tributary of Azalea Creek, Twin Pines Creek drainage. 1192 Comment
  UCR17381  Cuscuta pentagona O. F. Clarke 1978-10-23 s.n. Riverside Rubidoux, north side of Limonite Avenue, 0.3 mi. west of intersection with Clay Street Comment
  UCR31682  Cuscuta pentagona John C. Roos 1951-9-25 5254 Riverside City of Riverside, west end of Fairmount Park 259 Comment
  RSA0098327  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2015-3-25 18288 .1 Riverside Orocopia Mountains, 2.4 km north of Red Canyon, 52 km east of Indio. 658 Comment
  UCR10176  Cylindropuntia bigelovii Anonymous 1969-5-25 21 Riverside Southern Mojave Desert/Sonoran (Colorado) Desert, Joshua Tree Natl. Monument near road leading from Cottonwood Springs to Twenty-nine Palms, in the cholla garden of the Monument 1220 Comment
  UCR22026  Cylindropuntia californica var. parkeri Steve Boyd 1980-5-11 222 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  UCSB24789  Cylindropuntia echinocarpa Oleson, Terry 1966-4-6 Riverside On S Palm Canyon Dr.; 1 mile south of W Palm Canyon Dr.; San Jacinto foothills 152 Comment
  CLARK-A1528-50  Cynodon dactylon C. M. Flanagan 1973-5-31 OO 640 Riverside Morongo Indian Reservation Comment
  RSA770305  Cynodon dactylon Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4490 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 W116.64311 487 Comment
  CAS-BOT-BC114416  Cyperus erythrorhizos John C. Roos 1951-9-25 5249 Riverside Common in mud at edge of lake, Fairmount Park. 259 Comment
  POM10323  Cyperus esculentus Anonymous s.n. Riverside Below West Riverside bridge. Comment
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Mar 15 2014
  UCR272474  Cyperus esculentus Mitch Provance 2012-7-25 712- 01 Riverside San Gorgonio Pass, Banning, Smith Creek, NE of West Ramsey St. and Highland Home Rd. 1410 Comment
  UCR92057  Cyperus involucratus Scott D. White 1996-3-31 3853 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  SEINET3228136  Cyperus parishii G. Rink, K. Routson 2012-9-3 11659 Riverside Agricultural fields about 10 miles southwest of Blythe 70 Comment
  UCR115345  Cyrtomium falcatum A. C. Sanders, Steve Boyd 2000-11-30 23727 Riverside San Bernardino Valley/ upper Santa Ana River region, Riverside; Box Springs Mtns. foothills, Box Springs Canyon above Sheriff's Academy, north of Central Ave. 396 Comment
  UCR274879  Dalbergia sissoo John F. Green 2015-12-16 s.n. Riverside Sonoran(Colorado) Desert/E Foothills Peninsular Range, La Quinta, canyon wash alongside 'The Quarry' golf course, c. 1 km west of Lake Cahuilla 70 Comment
  RSA0045573  Dalea californica Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs 138 Comment
  SEINET10486030  Dalea emoryi David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2879 Riverside Pushawalla canyon, indio hills. In dry wash. Comment
  JOTR38527  Dalea mollis Harding, Mitzi, Kipp Callahan 2012-8-27 296 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  NY43422  Dalea mollis C. R. Annable 1995-3-9 2259 Riverside BLM land, ca. 13km N of Rancho Mirage, behind A-1 Cement Comment
  SD216480  Dalea mollis Carol R. Annable 1995-3-9 2259 Riverside Circa 13 kilometers north of Rancho Mirage. BLM land behind A-1 Cement. Comment
  UCR182832  Dalea mollis Dave Silverman, Cindy Hopkins 2005-3-25 5757 Riverside NE Riverside Co., Rice Valley, SE of Danby Dry Lake, south of Highway 62, along Midland (Blythe-Rice) Road, south of railroad crossing 234 Comment
  UCR228169  Dalea mollis Dave Silverman, Mark Bibbo 2010-3-30 7891 Riverside Sonoran (Colorado) Desert, lower east flank of southern McCoy Mountains, 2.0 km W of Black Creek Rd, 6.5 km E of McCoy Pk, and 4.9 km north of I-10 183 Comment
  POM306695  Dalea mollissima Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1687 Riverside Near Desert Center-Indio. Comment
  RSA404184  Dalea mollissima P. J. Remple 1942-3-1 s.n Riverside Between Indio and Palm Springs Comment
  RSA644208  Dalea mollissima V. W. Steinmann 1999-10-26 1413 Riverside foothills of the Chuckwalla Mountains, open desert ca. 0.5 km south of Desert Center. 275 Comment
  UCR166859  Dalea mollissima 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
  UCR24509  Dalea mollissima John C. Roos 1949-3-19 4106 Riverside Sonoran (Colorado) Desert, near Dos Palmas Spring on the E side of the Salton Sea in the vicinity of Salt Creek -30 Comment
  UCR116902  Daucus pusillus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24197 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UC1746495  Deinandra fasciculata A. C. Sanders, T. B. Salvato 2000-5-25 23412 Riverside 2 miles due east of Railroad Canyon Lake; Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake Comment
  UC1792817  Deinandra mohavensis A. C. Sanders, Steve Boyd, Jeff Ross, Mitch Provance 1998-10-25 22272 Riverside San Jacinto Mtns.: Hwy 243 between Idyllwild and Mountain Center, 1 mile north of Mtn. Center 1426 Comment
  RSA0126963  Deinandra paniculata R. E. Riefner 2017-5-17 17 -255 Riverside City of Lake Elsinore, W of I-15, N side of Nichols Road, about midway between Collier Ave. and Nichols Rd./Pierce St junction. 392 Comment
  RSA714017  Deinandra paniculata R. E. Riefner 2004-8-27 04 -398 Riverside N of La Sierra Heights; NE ca. 0.25 mi off Arlington Ave. along dirt access road to Hidden Valley Wildlife Reserve. 221 Comment
  SDSU10031  Delphinium cardinale Thomas Zink 1971-7-1 Riverside Along a side road off Indian Canyon Rd. in Temescal Canyon. 305 Comment
  CAS-BOT-BC82953  Dendromecon rigida P. A. Munz 1932-4-24 12392 Riverside Snow Creek Canyon San Jacinto Mountains. 457 Comment
  UCR49241  Dendromecon rigida Steve Boyd 1986-4-22 1748 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  POM178372  Deschampsia danthonioides var. gracilis P. A. Munz 1941-5-18 16645 Riverside About 15 miles northeast of Temecula. Comment
  UCD62783  Deschampsia danthonioides var. gracilis Alan A. Beetle 1946-6-10 4404 Riverside San Jacinto Mts., Camp Keene Meadow. Comment
  POM11891  Descurainia obtusa subsp. adenophora E. C. Jaeger 1921-6-14 s.n. Riverside MacMullin Trail 1220 Comment
  UC857002  Descurainia obtusa subsp. adenophora P. A. Munz 1922-7-4 5975 Riverside Kenworthy; San Jacinto Mts. 1417 Comment
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Mar 25 2011
  RSA776086  Descurainia pinnata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 818 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  UC856042  Descurainia pinnata I. W. Clokey 1935-4-17 6650 Riverside Cottonwood Springs Comment
  CAS-BOT-BC43353  Descurainia pinnata subsp. glabra L. R. Abrams 1926-3-26 11073 Riverside Palm Canyon. Comment
  UC354445  Descurainia pinnata subsp. glabra Edmund C. Jaeger 1925-12-19 Riverside near Palm Springs (Eagle Canyon); Eagle Canyon 91 Comment
  SD38252  Dicentra chrysantha Newton 1931-5-10 2073 Riverside Murrieta Canyon Comment
  UC455326  Dicentra chrysantha I. J. Condit 1910-6-24 Riverside road to Idyllwild; San Jacinto Mts. Comment
  UCR166766  Dichanthelium acuminatum subsp. fasciculatum Scott D. White, Jennifer H. Jones 2005-5-25 11112 Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately N of San Diego County line 579 Comment
  RSA771622  Dichelostemma capitatum Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5002 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
  UCR113154  Dichelostemma capitatum A. C. Sanders 1998-3-11 21666 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near east end of hills 518 Comment
  RSA613449  Dichelostemma capitatum subsp. capitatum Darin L. Banks, Victor Steinmann 1997-3-13 1443 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA643434  Dicoria canescens R. D. Goeden, D. W. Ricker 1985-10-12 s.n. Riverside Sonoran Desert: ca. 7 mi. S of Granite Pass, west side of Desert Center-Rice Road (Hwy 177), 21.8 miles north of Desert Center, 5.1 miles south of junction with Highway 62 (West of Palen Pass 7.5' Q.) 285 Comment
  SEINET3243833  Diospyros virginiana A. C. Sanders, John Goodman 1999-1 22903 Riverside San Bernardino Mtns.: Mill Creek Canyon, on S side of Hwy 38, 1.2 mi. above Mountain Home Creek at Mtn. Home Village. 1231 Comment
  SEINET197422 Image available Diplacus bigelovii var. bigelovii Helen K. Sharsmith 1952-1 4061 Riverside Lost Palms Canyon, Eagle Mountains, ca 2 mi from Shaver Summit 671 Comment
  CAS-BOT-BC152909  Diplacus brevipes P. C. Everett; L. W. Lenz; E. K. Balls 1952-7-1 17274 Riverside 1.2 mi. se. of Lake [Fulmore] Fulmor on hwy from Banning to Idyllwild, San Jacinto Mts. 1280 Comment
  SBBG93194  Diplacus brevipes R. Montijo 1990-4-27 Riverside Rancho Californica area, E of Santa Rosa Plateau, Green Meadow Rd off of De Portola Rd 609 Comment
  RSA0016051  Diplacus brevipes P. A. Munz, I. M. Johnston 1922-5-20 5498 Riverside 2 mi. below Kenworthy, Thomas Valley. 1372 Comment
  RSA0018427  Diplacus longiflorus var. calycinus Robert F. Thorne, C. W. Tilforth, J. P. Simon 1969-6-24 38133 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmor. 1677 Comment
  RSA0019301  Diplacus puniceus Scott D. White, Michael Honer 2004-4-6 10043 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  SD245482  Diplacus puniceus Robert Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49535 Riverside Santa Ana Moutains: Along Ortega Highway (74). Comment
  HSC47312  Ditaxis neomexicana R. W. Spjut 1978-5-17 5042 Riverside Colorado Desert, N face of Chuckawalla Mtns., 2.7 mi. S of Desert Center 335 Comment
  UCR264215  Ditaxis neomexicana A. C. Sanders, Jim Malusa 2015-9-10 41853 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  HSC101274  Dithyrea californica Jim Andre 2012-3-19 21349 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  RSA721993  Dithyrea californica J. R. Bruff s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  POM95311  Dithyrea californica Marcus E. Jones 1906-4-20 s.n. Riverside Indio. Comment
  RSA336206  Downingia cuspidata R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51992 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  CAS-BOT-BC41635  Draba corrugata var. saxosa H. M. Hall 1901-7-1 2413 Riverside San Jacinto Mountains. Near the summit. 3291 Comment
  CLARK-A1528-2314  Draba cuneifolia John C. Roos 1958-2-22 Riverside Chuckwalla Mountains Comment
  UCR65289  Draba cuneifolia Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3867 Riverside Peninsular Range, Vail Lake area, cinder cone ridge at north side of mouth of Temecula Creek Canyon and adjacent benches on S flank of 'Big' Oak Mtn. 549 Comment
  UCR104165  Dudleya lanceolata Scott D. White 1997-5-25 5248 A Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  RSA570733  Dudleya pulverulenta Steve Boyd, Timothy S. Ross, J. Travis Columbus 1993-10-23 8202 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  JEPS49889  Dudleya saxosa subsp. aloides W. L. Jepson 1914-5-18 6011 Riverside n Indio (Lookout Mtn near Pinon Well); Colorado Desert Comment
  RSA26376  Dudleya saxosa subsp. aloides Reid V. Moran 1941-5-3 4834 Riverside Whitewater, near Banning, Calif 300 Comment
  UCR281810  Dysphania ambrosioides Mitch Provance 2012-11-9 1112- 11 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  CHSC8315  Echinocereus engelmannii Edward L. Smith 1957-4-3 230 Riverside 1 mi. n on hwy. 99 to 29 Palms, San Bernardino Mts. 91 Comment
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Jun 21 2014
  RSA0125222  Echinocereus engelmannii var. engelmannii Lyman Benson, Robert Benson 1952-3-23 14839 A Riverside San Jacinto Mountain Range. Northeast of Santa Rosa Peak, Pines-to-Palms Highway. 1220 Comment
  SEINET251720 Image available Echinochloa crus-galli A. C. Sanders 1999-10-15 23170 Riverside San Jacinto Valley: Mystic Lake, 1.4 mi. E of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  UCR25217  Elatine brachysperma John C. Roos 1937-8-18 2538 Riverside San Jacinto Mtns, Hidden Lake Comment
  UCR110455  Elatine chilensis D. E. Bramlet 1998-4-22 2605 Riverside Perris-Aguanga Basin region, French Valley area, 305m east of Washington Road and 10m north of Rawson Road, 6m west of the San Diego Canal. 447 Comment
  UCR178023  Eleocharis acicularis Randy Blackman 2006-10-24 s.n. Riverside Menifee Valley, weed in turf on softball field, Paloma Valley High School, 32375 Bradley Rd. between Holland Rd. and Garboni Rd. 450 Comment
  SEINET7586165 Image available Eleocharis geniculata Ivan Johnston 1917-4-4 s.n. Riverside Palm Canyon. 305 Comment
  CAS-BOT-BC33440  Eleocharis montevidensis var. disciformis Harvey Monroe Hall 1901-6-1 2013 Riverside San Jacinto Mountains. Eastern base, along the borders of the Colorado Desert Comment
  RSA741220  Eleocharis palustris Scott D. White, Justin M. Wood 2008-6-5 12087 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  RSA746528  Eleusine coracana subsp. africana R. E. Riefner Jr. 2004-7-30 4 -280 Riverside City of Norco, north side of Sixth St. at Sierra Ave. 200 Comment
  CAS-BOT-BC174022  Elymus glaucus A. C. Sanders; Mitch Provance 2008-7-11 35791 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
  SEINET10869081 Image available Elymus glaucus var. jepsonii Harvey M. Hall Hall 2097 Riverside San Jacinto Mountains, south side 1463 Comment
  NY43125  Emmenanthe penduliflora J. B. Walker 1995-5-4 1415 Riverside San Bernardino National Forest, Hwy 74, 3km E of junction with Santa Rosa Mtn Rd 1400 Comment
  RSA500540  Emmenanthe penduliflora Steve Boyd, Tim Ross, L. Arnseth 1989-6-4 3612 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  SD212644  Emmenanthe penduliflora A. C. Sanders, T. B. Salvato 2006-6-2 33086 Riverside Hills between Murrieta and Menifee Valley, west of I-215 south of Bundy Canyon. 548 Comment
  UCR103920  Emmenanthe penduliflora B. G. Pitzer 1997-4-11 3116 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  UCR85315  Emmenanthe penduliflora A. C. Sanders, G. K. Helmkamp, P. J. MacKay, et al. 1995-5-19 16155 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtn Foothills, Coachella Valley, alluvial fan of Chino Canyon along the Palm Springs tram road, north of the road 14 telephone poles above Hwy 111 (Palm Canyon Dr.) 300 Comment
  UC31387  Encelia californica E. L. Koethen 1897-4-1 17 Riverside plains Riverside Comment
  CAS-BOT-BC131330  Encelia farinosa Ivan Johnston 1917-4-4 1112 Riverside Near Palm Springs 152 Comment
  HSC5481  Encelia farinosa C. L. Hitchcock, C. V. Muhlick 1964-3-17 23077 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  UC53986  Encelia farinosa F. Gilman 36 Riverside vicinity Palm Springs Comment
  UCR196376  Encelia farinosa Naomi Fraga, Lisa Rojas 2005-2-10 1374 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR200326  Encelia farinosa Steve Boyd 2007-4-20 11724 Riverside Peninsular Ranges: Perris-Aguanga Basin, southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of 'Walsh Canyon,' c. 0.5 mi from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia adzedarach and across from driveway leading to 26875 Walsh Road 549 Comment
  UCR238220  Encelia farinosa Mark A. Elvin 2005-5-19 4362 Riverside Sonoran (Colorado) Desert, eastern edge of Coachella Valley, north of I-10 NW of Cactus City 546 Comment
  UCR244070  Encelia farinosa Jim Andre 2012-4-16 20897 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  UCSB24046  Encelia farinosa McMinn, Howard 1937-3-5 Riverside 29 Palms Junction Comment
  RSA27348  Encelia farinosa var. farinosa C. L. Hitchcock 1940-4-2 5923 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  SDSU14248  Encelia farinosa var. farinosa Michael Powers 2002-4-2 7 Riverside On north side of Via Tornado Road to north of Santa Margarita riverbed in Santa Margarita Ecological Reserve. 200 feet west of parking lot in riverbed. 233 Comment
  RSA480013  Encelia farinosa var. phenicodonta Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2142 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UC813668  Ephedra aspera I. W. Clokey 1935-4-17 6513 Riverside Cottonwood Springs Comment
  JOTR32656  Ephedra californica La Doux, Tasha, M. Bell, A. Holt, A. Miller, K. Matthews 2007-5-23 1338 Riverside Joshua Tree National Park. where Queen Valley meets Pleasant Valley, just north of Malapai Hill; open bajada with pediments, near Geology Tour Road 1219 Comment
  RSA296153  Ephedra californica B. A. Prigge 1980-8-5 3831 Riverside Whitewater Canyon, 0.5 miles N of trout farm 701 Comment
  RSA777283  Ephedra californica Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4739 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 600 Comment
  SBBG88010  Ephedra californica A. C. Sanders, D. Charlton, B. Pitzer 1986-3-3 6142 Riverside N foot of the Chuckwalla Mtns, 2.75 airline mi SE of Desert Center 365 Comment
  SEINET5869097 Image available Ephedra californica C. E. Jones, N. Rojas 2001-1 JSR 2 Riverside Whitewater Canyon Rd, 0.7 mi N of jct with Whitewater Cut-off from Interstate Hwy 10, E side of rd, in wash below small substation. 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
  SEINET3005053  Ephedra trifurca G. Rink 2011-4-28 10491 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 94 Comment
  UCR275148  Ephedra trifurca David Fraker, Aaron C. Sedgwick 2012-3-27 039 Riverside Central Mojave Desert, Owl Canyon [in Rainbow Basin Natural Area], by Owl Canyon Campground 973 Comment
  UCR234800  Epilobium campestre Jeremiah George 2012-6-14 s.n. Riverside San Gorgonio Pass Region, Beaumont, just south of West 4th St. at end of small paved spur road, area boxed in by commercial development 772 Comment
  CAS-BOT-BC166138  Epilobium canum subsp. canum Lathrop; Thorne 1967-9-26 6610 Riverside Tenaja Guard Station, 10 mi. NW of Murrieta Comment
  UCR129332  Epilobium canum subsp. latifolium P. A. Munz 1946-10-20 11583 Riverside Cottonwood Mtns., Cottonwood Springs, Joshua Tree National Monument 915 Comment
  UCR155041  Epilobium ciliatum A. C. Sanders, Kelly Volansky 2005-3-17 29227 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
  RSA191397  Epilobium ciliatum subsp. ciliatum E. W. Lathrop, Thorne 1967-9-26 6644 Riverside 6 miles NW of Murrieta. Comment
  UCR202595  Epilobium densiflorum Scott D. White, Justin M. Wood 2008-7-9 12427 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  UCR26313  Equisetum telmateia subsp. braunii John C. Roos 1952-6-25 5794 Riverside Thickets at W end of Fairmont Park, Riverside 260 Comment
  UCR198170  Eremalche exilis Michael Honer, Theresa Miller 2005-3-11 2065 Riverside Northeastern Colorado Desert, Rice Valley, 4.5 mi south-southeast of Rice, 1.5 mi east of ATSF railway 220 Comment
  RSA0015415  Eremalche exilis Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  CSUSB811  Eremalche rotundifolia Jean Texera 1970-3-27 7 Riverside About 3 miles south of Palm Desert on dirt road continuation of Portola Ave., 25 feet north of Deep Canyon Desert Research Center fence, 175 feet west of road on edge of wash. 204 Comment
  SBBG99225  Eremalche rotundifolia W. L. Halvorson 1977-3-8 77 -79 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  SBBG18982  Eremocarya lepida M. A. Piehl 1963-6-2 63545 Riverside Hwy 74, ca. 1.2 mi W of Mountain Center 1341 Comment
  UCR126200  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-16 138 Riverside San Jacinto Mtns., Hwy 371, 4.5 km south of Hwy 74, south side of road, in sandy bottom of Hamilton Wash 1268 Comment
  RSA0110548  Eriastrum densifolium subsp. elongatum N. C. Cooper 1944-7-15 1579 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  UC727405  Eriastrum eremicum subsp. eremicum H. K. Wagnon 1944-5-30 411 Riverside Corner of Indian Ave and Ramon Road, Palm Springs. Comment
  CAS-BOT-BC514469  Eriastrum eremicum subsp. eremicum John Thomas Howell 1928-3-25 3559 Riverside Colorado Desert: 10 mi S of Palm Springs, on road to Indio Comment
  RSA0120079  Eriastrum eremicum subsp. eremicum R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55433 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA0120686  Eriastrum harwoodii Duncan S. Bell 2010-4-2 728 Riverside Arica Mountains: on east side of mountain range between the mountains themselves and Rice Valley; approximately 3.2 air miles southwest of the ghost town of Rice on the west side of Midland road (Rice-Blythe rd.). 245 Comment
  UCR48399  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd 1986-5-7 1844 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  HSC35352  Eriastrum sapphirinum subsp. sapphirinum J. D. Ackerman, A. M. Montalvo 1975-6-26 522 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, 1 mi. E of Upper San Juan Campground, Cleveland National Forest 610 Comment
  SEINET3858674 Image available Eriastrum sparsiflorum Leila M. Shultz, John S. Shultz 1985-4-16 8256 Riverside Chuckawalla Valley, east of Chuckwalla Mountains 122 Comment
  RSA736781  Ericameria brachylepis Scott D. White, Angelia Carey 2004-7-2 10558 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  JOTR29150  Ericameria cuneata var. spathulata La Doux, Tasha, Mike Bell 2003-10-17 1127 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
  RSA239812  Ericameria linearifolia C. W. Tilforth 1973-4-29 780 Riverside Along Hwy 74 between Alpine Village & Paradise Valley , 1 miles E of jct with Santa Rosa Mtns, fire road. Comment
  UC894819  Ericameria nauseosa var. bernardina E. C. Jaeger 1922-8-25 1009 Riverside San Jacinto Mts., Long Valley 2529 Comment
  JOTR32643  Ericameria nauseosa var. mohavensis La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2563 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (Stop 3) 1362 Comment
  UCR49992  Ericameria palmeri var. pachylepis S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  CAS-BOT-BC299538  Ericameria paniculata Lewis S. Rose 1935-12-21 35677 Riverside Whitewater Wash, 3 mi. SE Palm Springs Station 304 Comment
  OBI49698  Ericameria paniculata Lyman Benson 1952-12-29 15083 Riverside 2 mi NW of jct US 99 and Palm Springs Rd 457 Comment
  JEPS3946  Erigeron breweri var. jacinteus H. M. Hall Jun 1 1901-Jul 1 1901 2322 Riverside rocky ridges and peaks near Tauquitz; San Jacinto Mountains; near Tauquitz, San Jacinto Mts. 2690 Comment
  UCR3498  Erigeron foliosus var. foliosus Frances Miller 1964-6-5 M 6428 Riverside Box Springs Mtns, end of Big Springs Rd, just above railroad. 396 Comment
  POM48945  Erigeron foliosus var. stenophyllus P. A. Munz, I. M. Johnston 1924-7-26 8722 Riverside Saw Mill on Banning-Idyllwild Rd. 1707 Comment
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May 30 2011
  UCR13960  Erigeron philadelphicus C. M. Flanagan 1973-5-12 414 Riverside Foothills of the San Bernardino Mtns, Morongo Indian Reservation, W end of Burro Flats 1159 Comment
  CAS-BOT-BC278497  Eriochloa contracta T. C. Fuller 1962-10-2 9702 Riverside N.W. corner of Neighbors Blvd. & Ave. 22, 1.4 mi. n. of Ripley, Palo Verde Valley Comment
  OBI83154  Eriodictyon crassifolium Cecelia Call 1958-6-14 10 Riverside One-third mile south of Cleveland National Forest boundary-Tinmine 2 meters high. Comment
  SD229190  Eriodictyon crassifolium var. crassifolium Dick Schwenkmeyer 2012-10-16 929 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  UC24068  Eriodictyon crassifolium var. crassifolium H. M. Hall 1899-5-20 1107 Riverside Valle Vista San Jacinto Mountains, Valle Vista (in sand washes) Comment
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Mar 27 2011
  UC455939  Eriodictyon crassifolium var. crassifolium F. M. Reed 1905-7-4 813 Riverside Coldwater Canyon [Santa Ana Mtns., near Glen Ivy] Comment
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May 22 2012
  JOTR16711  Eriodictyon trichocalyx var. trichocalyx Hogan, J. 1974-6-24 77 Riverside Joshua Tree National Park. 1.5 MILES WEST OF EUREKA PEAK 1554 Comment
  UC107133  Eriodictyon trichocalyx var. trichocalyx T. S. Brandegee 1902-5-14 Riverside Banning Comment
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Mar 13 2011
  POM161538  Eriogonum apiculatum Ralph Hoffmann 1929-9-7 s.n. Riverside Fuller's Mill. Comment
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Nov 11 2011
  SD155432  Eriogonum apiculatum Craig Reiser 2002-5-27 Riverside Santa Rosa Peak, above east-west primary fire road, below peak. Comment
  CAS-BOT-BC242788  Eriogonum davidsonii Philip A. Munz 1937-5-29 15152 Riverside Deep Canyon, Santa Rosa Mts. 1066 Comment
  UC6303  Eriogonum davidsonii H. M. Hall July, 1901 2624 Riverside vicinity of Strawberry Valley; San Jacinto Mountains 1584 Comment
  UCR5708  Eriogonum deflexum Frank C. Vasek, O. F. Clarke 1966-9-11 660911- 02 Riverside Sonoran (Colorado) Desert, off ramp [from Hwy 60, now I-10] to [south entrance of] Joshua Tree National Monument from Riverside 475 Comment
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Jun 5 2008
  CAS-BOT-BC256118  Eriogonum deflexum var. deflexum Edmund C. Jaeger 1939-3-31 s.n. Riverside South End Coxcomb Mts. 274 Comment
  RSA393267  Eriogonum deflexum var. deflexum A. Menke 1955-4-26 s.n. Riverside 4 miles east of Mecca, near Coachella Canal. Comment
  RSA597073  Eriogonum elongatum var. elongatum D. L. Banks, Lauren Raz 1996-8-29 1138 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Arroyo Seco, N of Wildhorse Peak, before the drainage bends to the S. 549 Comment
  SD229217  Eriogonum elongatum var. elongatum Dick Schwenkmeyer 2012-10-16 927 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  GMDRC2587  Eriogonum fasciculatum subsp. flavoviride J. Andre, T. La Doux 2008-3-21 8829 Riverside Little San Bernardino Mountains: JTNP: Upper Cottonwood Cyn, approx 2 mi. S. of Cottonwood visitor's center.. Elev. 2890 ft. 881 Comment
  UCR140742  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders 2004-5-11 27851 Riverside Elsinore Basin Region, Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  RSA717683  Eriogonum fasciculatum subsp. polifolium A. C. Sanders 2004-5-5 27780 Riverside Gavilan Hills; route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak. 579 Comment
  CAS-BOT-BC249958  Eriogonum fasciculatum var. foliolosum J. F. Emmel 1969-6-21 169 Riverside Idyllwild, along Double View Drive, San Jacinto Mts. Comment
  UCSB1477  Eriogonum fasciculatum var. polifolium Haller, John 1950-5-21 Riverside San Jacinto Mts; Palms-to-Pines Hwy; 9 mi from desert floor Comment
  UC1349024  Eriogonum gracile Lathrop and Thorne 1967-9-26 6647 Riverside 6 mi nw Murietta Comment
  UC1395199  Eriogonum gracile James L. Reveal, Caroline G. Reveal 1972-8-6 2844 Riverside 1.5 mi sw, along California Highway 74, near turnoff to McConville Camp summit of Santa Ana Mountains (9 mi sw of Elsinore and 22 mi ene of San Juan Capistrano) Comment
  UCR43412  Eriogonum gracile B. G. Pitzer 1986-5-24 0249 Riverside San Bernardino Mtns, Whitewater Canyon, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to c. 1/4 mi north of hatchery boundary 732 Comment
  POM153371  Eriogonum gracile var. gracile P. A. Munz, I. M. Johnston 1928-9-12 11255 Riverside Temescal Canyon. Comment
  RSA518778  Eriogonum gracile var. gracile Scott D. White 1990-10-23 s.n. Riverside 8.5 mi. (airline) ENE of Temecula; E of De Portola Rd. on El Dorado Rd. 488 Comment
  RSA736551  Eriogonum gracile var. gracile Scott D. White, Angelia Carey 2004-7-2 10582 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR140898  Eriogonum gracile var. gracile Virginia Moran 2003-7-17 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  POM153383  Eriogonum gracile var. incultum P. A. Munz, I. M. Johnston 1928-9-12 11250 Riverside Temescal Canyon. Comment
  UCR60830  Eriogonum inflatum Steve Boyd, Orlando Mistretta 1986-3-13 1475 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  RSA393695  Eriogonum molestum N. C. Cooper 1944-7-16 1610 Riverside At trailside. San Jacinto Mt. above Pine Cove 2073 Comment
  RSA0099999  Eriogonum nudum var. pauciflorum Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8570 Riverside Santa Rosa Mountains; along Forest Service Road 7S02, approx. 0.7 air mile west of the summit of Santa Rosa Mountain. 2233 Comment
  UC849804  Eriogonum nudum var. pauciflorum I. W. Clokey, E. G. Anderson 1935-8-21 6590 Riverside Keen Camp P.O. 1425 Comment
  CAS-BOT-BC258051  Eriogonum plumatella Carl B. Wolf 1932-10-11 4283 Riverside Morongo Wash at the San Bernardino County line 762 Comment
  POM305593B  Eriogonum pusillum Henry J. Ramsey, Henry J. Ramsey 1937-2-26 889 Riverside Whitewater. Comment
  POM310394  Eriogonum pusillum Margaret Hardinge 1946-4-29 267 Riverside Along road to 29 Palms just before getting into Morongo Valley- to the south. 396 Comment
  CAS-BOT-BC253019  Eriogonum reniforme John H. Thomas 1957-3-30 6575 Riverside About 3 miles southeast of White Tank near the road to Cholla Cactus Garden about 20 miles northeast of Indio, Joshua Tree National Monument 883 Comment
  SBBG1613  Eriogonum reniforme H. and M. Dearing 1937-4-10 Riverside 16 mi N of Indio Comment
  JOTR32353  Eriogonum saxatile La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2468 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (Stop 2) Comment
  RSA395867  Eriogonum thomasii Steven A. Junak 1983-3-23 1635 Riverside East side of Jefferson Road, opposite entrance to Cahuilla Lake County Park, south of Indio. 0 Comment
  RSA698448  Eriogonum thomasii Calvert Norland 1930-5-18 s.n. Riverside Shavers Well. Comment
  SBBG25047  Eriogonum thomasii D. Myrick 1966-4-1 1324 Riverside Desert Hot Springs, adjoining Linda Vista Lodge Comment
  SBBG89124  Eriogonum thomasii A. C. Sanders 1988-5-11 7811 Riverside Chocolate Mtns, Iria Pass area; 12 mi above the Coachella Canal in a wash E of the gasline rd from Niland 548 Comment
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Sep 10 2011
  UC310875  Eriogonum thurberi P. A. Munz 1925-5-20 9851 Riverside 2 mi e Aguanga Comment
  UCR102938  Eriogonum thurberi George K. Helmkamp 1998-4-3 3075 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
  CAS-BOT-BC263593  Eriogonum trichopes Susan G. Stokes 1933-4-9 51 Riverside South of Palm Springs Comment
  SEINET9369605  Eriogonum trichopes Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  CAS-BOT-BC268175  Eriogonum umbellatum var. minus Albert J. Perkins 1915-8-1 s.n. Riverside San Jacinto Mts. Comment
  POM183873  Eriogonum wrightii var. membranaceum P. A. Munz 1932-10-16 12839 Riverside Palm Creek, Santa Rosa Mountains. 1463 Comment
  POM247452  Eriogonum wrightii var. membranaceum P. A. Munz 1941-10 17235 Riverside Dos Palmos Spring, north base of Santa Rosa Mountains. Comment
  SD119923  Eriogonum wrightii var. nodosum Louis B. Ziegler 1969-10-22 396 Riverside San Jacinto Mountains - Pinyon Flats. 1250 Comment
  CAS-BOT-BC297334  Eriophyllum confertiflorum Louis C. Wheeler 1931-10-4 217 Riverside Hemet - Idyllwild Rd, San Jacinto Mts 1402 Comment
  CAS-BOT-BC297337  Eriophyllum confertiflorum Peter H. Raven 1958-5-17 12937 Riverside 3.4 miles SE of Banning on road to Idylwild, San Jacinto Mts Comment
  POM182206  Eriophyllum confertiflorum P. A. Munz 1932-4-24 12391 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  RSA249829  Eriophyllum confertiflorum R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38076 Riverside San Jacinto Mountains: San Bernardino National Forest. Hilltop above Lake Fulmor. 1676 Comment
  SEINET235603  Eriophyllum confertiflorum A. C. Sanders 1997-4-10 20331 Riverside Tucalota Hills E of Lake Skinner (Bachelor Mtn. Quad) 600 Comment
  UCR241498  Eriophyllum confertiflorum Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 220 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  SBBG54342  Eriophyllum confertiflorum var. confertiflorum C. Davidson 1978-6-15 7392 Riverside Santa Rosa Pk, trail to the top 2407 Comment
  UC668358  Eriophyllum confertiflorum var. confertiflorum Annie M. Alexander and Louise Kellogg 1941-4-24 2073 Riverside gorge of Dry Morongo Creek; Morongo Valley 640 Comment
  CAS-BOT-BC301799  Eriophyllum multicaule B. Pitzer 1997-4-1 3056 Riverside Lakeview Mtns, ca. .75 air mi. SSW of Mt. Rudoph, ca. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  JOTR31081  Eriophyllum wallacei La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2344 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  RSA67309  Eriophyllum wallacei G. R. Campbell 1951-4-22 15999 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1371 Comment
  RSA729267  Eriophyllum wallacei R. F. Thorne, M. Z. Thorne 1973-3-30 42687 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  UCR167074  Erodium botrys Scott D. White 2005-3-29 10846 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UCR120912  Erodium brachycarpum A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24950 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  CLARK-A1528-2957  Erodium cicutarium John C. Roos 1965-6-30 Riverside Perris 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
  RSA0130727  Erodium texanum Glen Rink 2013-3-18 11877 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  UC1034736  Erysimum capitatum G. B. Rossbach 1955-4-22 584 Riverside Juniper Flat Little San Bernardino Mountains (n side of mts) 1432 Comment
  RSA530206  Erysimum capitatum var. capitatum E. C. Jaeger 1922-6-29 s.n. Riverside Tahquitz Valley 1799 Comment
  SD119897  Erythranthe guttata Louis B. Ziegler 1967-7-17 187 Riverside San Jacinto Mountains. Hemet Valley. Near Herkey Creek Canyon. Moist ground 1584 Comment
  RSA0020063  Erythranthe guttata Philip A. Munz 1932-3-14 12007 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  UCR137498  Eschscholzia californica D. L. Banks, V. W. Steinmann 1997-3-13 1530 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR250110  Eschscholzia californica A. C. Sanders 2014-4-9 41005 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km NW of intersection with Indian Truck Trail 354 Comment
  UCR91922  Eschscholzia californica A. C. Sanders, O. F. Clarke 1996-4-13 18032 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  RSA3965  Eschscholzia glyptosperma Carl B. Wolf 1932-4-29 3104 Riverside Eastern Colorado Desert, 9 mi S of Brown's Well on the Blythe-Rice Road [Midland Rd]. 244 Comment
  CAS-BOT-BC91565  Eschscholzia minutiflora Lewis S. Rose 1937-4-9 37117 Riverside Palm Springs. 137 Comment
  POM125730  Eschscholzia minutiflora Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  SEINET3094862 Image available Eschscholzia minutiflora Norman C. Cooper 1949-4-8 3243 Riverside Mecca Pass east of Indio. 610 Comment
  UCR74363  Eschscholzia minutiflora Theo Glenn 1991-5-2 91- 23 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  RSA0118594  Eschscholzia papastillii Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7647 Riverside Mecca Hills, side road MC 093 from Little Box Canyon Road. Side canyon forking north from Little Box Canyon, east of Box Canyon. East side of Mecca Hills, east-northeast of Mecca. 281 Comment
  UCD95437  Eschscholzia papastillii Curtis Clark 1976-4-13 527 Riverside Mecca-Joshua Tree Road, 7 miles southwest of junction with Interstate Highway 10. Comment
  CAS-BOT-BC419620  Eschscholzia parishii Ynez Whilton Winblad 1937-3-21 s.n. Riverside Box Canyon, Coachella Valley Comment
  RSA146383  Eschscholzia parishii W. R. Ernst 1960-3-15 720 Riverside East of Indio on Hwy 60-70, 6 miles W of Cactus City Comment
  UC1080453  Eschscholzia parishii P. C. Everett and E. K. Balls 1958-4-29 23013 Riverside 1 mi w Cactus City (US Hwy 60/70, Indio to Blythe) 548 Comment
  UC855187  Eschscholzia parishii Alice Eastwood 1913-4-30 3080 Riverside Palm Springs Palm Canyon Comment
  RSA0022922  Eschscholzia parishii J. C. Roos 1966-3-26 s.n. Riverside 2 miles SE of Desert Center. Comment
  RSA715758  Eucrypta chrysanthemifolia A. C. Sanders 2005-4-22 29604 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  UCR225185  Eucrypta chrysanthemifolia var. chrysanthemifolia Steve Boyd, Susan Jett 2008-3-20 11834 Riverside Peninsular Ranges; Santa Ana Mountains region, Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  JEPS1691  Eucrypta micrantha Marjorie D. Clary 1932-3-15 1618 Riverside 12 mi sw Indio; Colorado Desert, Santa Rosa Mts. 121 Comment
  UCR23563  Eucrypta micrantha John C. Roos 1966-3-26 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 mi SE of Desert Center 366 Comment
  UCR279411  Eucrypta micrantha A. C. Sanders, Jim Malusa 2017-3-25 42999 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  CDA37673  Eulobus californicus T. C. Fuller 1962-4-4 7997 Riverside West of Highway 99 [later renumbered Highway 86] to Indio, 1.3 miles north of Oasis. 0 Comment
  CHSC1157  Eulobus californicus M. Garbutt 1935-4-17 Riverside San Gorgonia Pass. Comment
  RSA791458  Eulobus californicus Keith E. Hoffmaster 1933-4-15 687 Riverside Desert end Palms to Pines road. Comment
  UCR187477  Euonymus occidentalis Theresa Johnson 2006-8-23 283 Riverside Peninsular Range; San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  UCR9165  Euonymus occidentalis var. parishii Heidi A. Haid 1968-9-28 s.n. Riverside San Jacinto Mountains, 10 mi northeast of Idyllwild at Lake Fulmor Comment
  UC1929948  Euphorbia albomarginata Scott D. White, Angelia Carey 2004-7-2 10551 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  UCR172190  Euphorbia albomarginata John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  UC187061  Euphorbia eriantha S. B. and W. F. Parish Apr 1882 Riverside mountains back of Agua Caliente Colorado Desert (Andreas Canyon) Comment
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Jul 15 2009
  POM8190  Euphorbia incisa P. A. Munz, R. D. Harwood 1920-4-5 3556 Riverside Fig Tree John Springs, near Mecca. -46 Comment
  POM96853  Euphorbia misera M. French Gilman 1926-5-9 A- 14 Riverside Whitewater Grade Comment
  UCR100572  Euphorbia nutans George K. Helmkamp 1997-11-1 2514 Riverside Sonoran (Colorado) Desert, Bermuda Dunes, 41st St and Sparky (just east of Washington and south of I-10) 30 Comment
  UCR166195  Euphorbia ocellata var. arenicola Nathan Moorhatch, John F. Green, Ted Rado 2005-4-19 s.n. Riverside Sonoran (Colorado) Desert, Desert Hot Springs, Desert Dunes Golf Course (SW corner) just east of Palm Ave. Approximately 0.5 miles north-east of Seven Palms Ranch 226 Comment
  RSA696840  Euphorbia polycarpa Mary Edmunds 1932-3-24 s.n. Riverside Oasis. [Coachella Valley? County not specified] Comment
  UCR214573  Euphorbia polycarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37854 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 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
  UCR272198  Euphorbia serpillifolia Duncan S. Bell 2015-9-30 8661 Riverside Santa Rosa Mountains, summit area of Asbestos Mountain 1573 Comment
  UCR128936  Euphorbia setiloba Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  SEINET524441  Euphorbia spathulata R. Thorne 1973-5-23 43862 Riverside Santa Rosa platueau-mesa de colorado 610 Comment
  POM87260  Fagonia laevis Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA480079  Fagonia laevis Steve D. Boyd, Richard Noyes, S. Meury, L. Arnseth, D. Nordin, Tim Ross 1988-3-10 2168 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA485835  Fagonia laevis T. S. Elias 1988-2-26 10689 Riverside Joshua Tree. Northeastern section of Eagle Mountains east of Joshua Tree National Monument. Comment
  HSC47598  Fagonia pachyacantha R. W. Spjut 1978-5-10 5033 Riverside Colorado Desert, N face of Chuckawalla Mtns., 2.7 mi. S of Desert Center. 335 Comment
  RSA777732  Fagonia pachyacantha Jim Andre, G. L. Clifton 2011-2-22 17444 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca 219 Comment
  SBBG119166  Fatoua villosa A. C. Sanders 2004-8-10 28766 Riverside ca. 3 mi ENE of Perris, W of Menifee Rd (Pozos Ave) and S of Nuevo Rd, between San Jacinto River and Nuevo 432 Comment
  UCD170915  Fatoua villosa A. C. Sanders 2004-8-10 28766 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) and south of Nuevo Rd., between San Jacinto River and Nuevo. 433 Comment
  CAS-BOT-BC56785  Ferocactus cylindraceus P. A. Munz; I. M. Johnston 1922-5-7 5295 Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR181346  Festuca arundinacea Mitch Provance 2003-7-7 6528 Riverside San Bernardino Valley, Glen Avon (near border with Fontana) along the NW base of the Jurupa Mountains, south of Philadelphia St. and just east of Country Village Rd 253 Comment
  UCR90359  Festuca arundinacea Scott D. White 1995-6-30 3415 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  UCR2404  Festuca microstachys F. M. Reed 1920-6-14 4376 Riverside San Jacinto Mtns., Meadows and other ground about Idyllwild 1524 Comment
  UCR2430  Festuca microstachys F. M. Reed 1907-4-4 1270 Riverside City of Riverside. Arroyo Tequesquite Comment
  JOTR34183  Festuca myuros La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3233 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  LA99030  Festuca myuros Walt Westman; A. Davis 1979-3-29 79 52 Riverside E Buttle of Double Butte, beyond E of Cortrite Ave, Homeland 548 Comment
  UCR156298  Festuca myuros T. B. Salvato, Kent Beaman 2005-5-16 831 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
  LA13138  Festuca octoflora Carl Epling; 1927-3-28 sn Riverside Palm Springs Comment
  UCR174603  Festuca octoflora A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32490 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR177423  Festuca octoflora Scott D. White, Michael Honer 2003-4-4 8938 Riverside Peninsular Ranges; Perris-Aguanga Basin, Temescal Canyon, dissected bajada bench, below and east of Horsethief Canyon, immediately south of I-15 Fwy 427 Comment
  UCR280953  Festuca octoflora Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 63 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  UCR209295  Ficus palmata A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37152 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  RSA336046  Filago californica R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52029 Riverside Chino Canyon Comment
  RSA393727  Filago californica E. S. Spalding 1913-03 14829 Riverside E. of Banning. Comment
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Nov 29 2011
  POM9583  Filago californica I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  CAS-BOT-BC304296  Flaveria A. C. Sanders 1981-10-31 2392 Riverside McKinley St between Riverside and Corona, 0.3 mile N of Highway 91 and +-100 yds W of McKinley 304 Comment
  UCR114811  Foeniculum vulgare Mitch Provance 1998-7-23 913 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  CLARK-A1528-3286  Forestiera neomexicana John C. Roos 1965-7-25 Riverside San Jacinto Mountains Comment
  UC57357  Forestiera pubescens H. M. Hall Jun 1899 Riverside Gavilan Comment
  UCD122013  Forestiera pubescens A. C. Sanders; Mark Elvin, M. S. Enright 2002-4-16 24967 Riverside The Badlands: Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont. 548 Comment
  CAS-BOT-BC384199  Forestiera pubescens subsp. parvifolia E. K. Balls 1955-7-19 20974 Riverside Hwy. 74, 17 mi. se. of Mountain Center on road to Palm Springs 1371 Comment
  SDSU181  Fragaria vesca Bruhns 1965-5-23 121 Riverside Along riverside Co. highway R-1, where it corsses Mill Creek, outside of Idyllwild. Damp, shady flat in Yellow PIne Forest. Comment
  RSA0018444  Fragaria vesca N. C. Cooper 1944-6-17 1402 Riverside Above Banning. 1220 Comment
  UCR18543  Fragaria vesca subsp. californica A. C. Sanders 1978-6-11 583 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  RSA0018451  Frangula californica subsp. cuspidata Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38121 Riverside San Bernardino National Forest, San Jacinto Mountains.: Above and in James Reserve. 1677 Comment
  CLARK-A1656-660  Franseria dumosa Lois Ann Scott 1978-11-17 Riverside San Jacinto Mountains 152 Comment
  POM122820  Frasera parryi Marcus E. Jones 1926-6-20 s.n. Riverside Near Idyllwild Comment
  RSA392144  Frasera parryi N. C. Cooper 1944-7-15 1583 Riverside Palms to Pines Highway, San Jacinto Mountains. 1372 Comment
  SEINET10783477  Fraxinus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12855 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  SBBG119112  Fraxinus uhdei A. C. Sanders, T. B. Salvato 2003-5-21 26806 Riverside Wildomar, old ranch parcel SE of Wesley St and SW of Laguna Rd, W of Orange St, NE of Palomar St 402 Comment
  UCR13755  Fraxinus velutina var. coriacea N. R. Zabriskie, W. W. Zabriskie 1972-5-22 544 Riverside Santa Rosa Mtns., Cactus Spring Trail crossing of Horsethief Creek, tributary to Deep Canyon, N slope Santa Rosa Mts. 1098 Comment
  RSA550355  Funastrum hirtellum W. Wisura 1992-3-24 4633 Riverside 13.1 mi NE of Mecca on Box Canyon Rd. seed voucher Comment
  RSA778423  Funastrum hirtellum Stephanie Rockwood, Christi Gabriel 2011-10-12 90 Riverside Sheephole Valley Wilderness, parallel Cadiz Valley. Unnamed road off highway 62. 242 Comment
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Mar 4 2013
  SEINET7248310  Funastrum hirtellum Duncan S. Bell, LeRoy Gross 2014-1 6273 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  UCR112980  Gaillardia pulchella Mitch Provance 1998-6-20 754 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  RSA673471  Galium angustifolium Scott D. White, Tasha La Doux 2000-4-20 7716 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  UC1518631  Galium angustifolium subsp. angustifolium Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55473 Riverside side canyon on w side Whitewater Canyon (ca 3.3 mi n of Whitewater Post Office); San Bernardino Mts. 594 Comment
  UCR5858  Galium angustifolium subsp. angustifolium Frank C. Vasek 1966-9-5 660905- 02 Riverside San Jacinto Mtns., 1 mile north of Mountain Center toward Idyllwild 1445 Comment
  RSA180291  Galium aparine E. W. Lathrop 1964-5-24 5384 Riverside 14 miles west of Murrieta. Comment
  UCR121342  Galium aparine A. C. Sanders, Mark Elvin, Vipul Joshi 2002-4-26 25037 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  UCR214013  Galium aparine A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37795 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
  LA208517  Galium johnstonii Carl Epling; William Robison 1935-6-30 Riverside Mt. San Jacinto, between Pine Flat Camp and Fuller's Mill 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
  JOTR34087  Galium munzii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2935 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; steep bouldery slopes between drainages Comment
  UC1007169  Galium parishii Philip A. Munz 1938-8-13 15334 Riverside rocky slope e Santa Rosa Peak 2377 Comment
  RSA0106575  Galium stellatum subsp. eremicum Duncan S. Bell 2010-4-2 720 Riverside West side of the Arica Mountians; just below the ridgeline of the range, approx. 2.5 air miles northwest of Priest Well. 560 Comment
  CAS-BOT-BC303608  Geraea canescens H. M. Hall 1905-4-1 5866 Riverside Chuckawalla Bench Comment
  JEPS23575  Geraea canescens Peter H. Raven 1958-2-15 11585 Riverside along United States Highway 60 (8.7 mi e of road to Wiley Wells) Comment
  JEPS33546  Geraea canescens W. L. Jepson and W. C. Mathews 1914-5-23 6052 Riverside Conchilla Desert Colorado Desert, Conchilla Desert 60 Comment
  UCR25798  Geranium carolinianum John C. Roos 1952-5-7 5620 Riverside Box Springs Mountains above Canyon Crest Heights 503 Comment
  POM50215  Geranium richardsonii H. M. Hall 1901-07 2336 Riverside Vicinity of Deer Springs, in damp places. Comment
  POM293649  Gilia angelensis Lyman Benson 1946-4-15 12029 Riverside 2 miles east of Banning, Colorado Desert. 609 Comment
  RSA470129  Gilia angelensis H. de Forest, Freda Detmers 1933-3-25 s.n. Riverside Between Banning and Cabazon Comment
  UCR1075  Gilia angelensis Robert A. Hawthorne 1957-3-23 s.n. Riverside C.E.S. (Citrus Experiment Station, now UCR) in open places near water storage tanks 305 Comment
  UCR183340  Gilia angelensis Mitch Provance 2005-5-27 4602 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  UCR250217  Gilia angelensis A. C. Sanders 2014-4-8 40981 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.5 km NW of El Hermano Rd., c. 0.8 km SE of I-15 crossing 315 Comment
  UCR86886  Gilia angelensis A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16283 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR62326  Gilia australis 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
  UCR268287  Gilia capitata subsp. abrotanifolia Jim Andre 2012-6-15 30535 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  RSA586861  Gilia diegensis D. L. Banks, S. D. Boyd 1995-5-3 0280 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
  RSA0016238  Gilia ochroleuca subsp. exilis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4728 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA0017092  Gilia ochroleuca subsp. exilis D. L. Banks, S. D. Boyd 1995-5-3 0256 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
  SD261000  Gilia ochroleuca subsp. exilis Andrew C. Sanders 1994-5-29 14576 Riverside San Bedrnardino Mountains: East BrANCH Millar Canyon, along FS Road 4S45 1200 Comment
  UC1595628  Gilia ochroleuca subsp. exilis Steve Boyd and Dave Bramlet 1991-5-13 6254 Riverside ese Winchester (n side of Domenigoni-Diamond Valleys, ridge top of s-end Warren Rd.); Domenigoni Hills, n side Domenigoni-Diamond Valleys 548 Comment
  RSA0016286  Gilia ochroleuca subsp. exilis E. A. Zumbro 1897-05 s.n. Riverside Hemet Valley. 1372 Comment
  RSA111274  Gilia sinuata Verne Grant, James Davis 1957-3-30 9895 Riverside Upper eastern end of Moronga Valley 793 Comment
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Mar 23 2014
  UCR100177  Gilia splendens Scott D. White 1994-4-23 2039 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 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
  RSA776510  Gilia stellata Amber Swanson, Duncan S. Bell 2011-3-10 210 Riverside Shaver's well in Box Cyn in the Mecca Hills 304 Comment
  SEINET4042367  Gilia tenuiflora O. M. Clark 1929-1 1687 Riverside South Cabazon, southern California. Comment
  CAS-BOT-BC266505  Githopsis diffusa Steve Boyd 1986-4-22 1771 Riverside Temescal Canyon: E side of Indian Wash, grading into abandoned Olive grove, S of I-15 Comment
  CLARK-A1528-4676  Glyceria elata John C. Roos 1941-8-2 85 Riverside San Jacinto Mountains Comment
  RSA660537  Gnaphalium californicum Orlando Mistretta 1992-6-10 518 Riverside Cleveland National Forest: Along old road coming off 3504 W of San Gabriel Mountains: Northeast slope Mt. San Antonio. Headwaters of west fork of north fork Lytle Creek. Sierra Peak. [Telegraph Peak quad?] Head of road. Comment
  UCR44227  Gnaphalium canescens subsp. microcephalum A. C. Sanders 1986-6-1 6542 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  UCR234762  Gnaphalium leucocephalum A. C. Sanders, John F. Green 2012-6-25 40304 Riverside Peninsular Range; Santa Ana Mtns. Region, small canyon east of Horsethief Canyon Rd., below end of Kicking Horse Dr. & Caravan Circle 389 Comment
  CLARK-A1528-222  Gnaphalium microcephalum Ken F. Clarke 1971-9-7 Riverside Jurupa Comment
  CAS-BOT-BC499166  Gnaphalium palustre Mitch Provance 2011-6-6 17004 Riverside Edgemont area of Moreno Valley, from the northbound I-215 onramp at Allesandro Blvd., E to Old 215 Frontage Rd 466 Comment
  RSA544284  Gnaphalium palustre Steve Boyd 1991-6-14 6363 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  UCR174350  Gnaphalium stramineum A. C. Sanders 2006-5-19 32393 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
  JEPS54091  Guillenia lasiophylla W. L. Jepson 1927-4-12 11657 Riverside ne of Mecca; Painted Canyon 76 Comment
  UC494687  Gutierrezia sarothrae P. A. Munz 1932-10-16 12851 Riverside road Indio to Vandeventer Flat; Santa Rosa Mts. 1066 Comment
  UC63195  Gutierrezia sarothrae W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Box Springs 457 Comment
  RSA702272  Hainardia cylindrica Gary D. Wallace, B. Gustafson, T. Thomas 1983-6-23 2082 Riverside Santa Rosa Plateau, Mesa de Burro. Comment
  UCR237476  Haplopappus acradenius Duncan S. Bell, Amber Swanson 2011-2-18 2041 Riverside Mojave Desert, Coachella Valey area, Edom Hill, along Edom Hill Road near dump, 0.6 road mi from junction with Varner Road 259 Comment
  CLARK-A1528-1895  Haplopappus venetus subsp. vernonioides John C. Roos 1965-9-21 Riverside March Air Force Base Comment
  CAS-BOT-BC231103  Harpagonella palmeri Steve Boyd 1986-4-10 1644 Riverside Temescal Canyon: Along DePalma Road between Indian Truck Trail and Horsethief Canyon, 1.0 mile E of Indian Truck Trail Comment
  CAS-BOT-BC211544  Helianthemum scoparium Carl B. Wolf 1936-6-17 7956 Riverside Tenaja Road, 1 4/10 mi. off Ortega Highway on road to La Cienega, Santa Ana Mts. 609 Comment
  CAS-BOT-BC211547  Helianthemum scoparium Ynez W. Winblad 1938-5-15 s.n. Riverside Lake Elsinore Comment
  GMDRC6565  Helianthemum scoparium J. M. Andre 2012-6-15 30521 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
  SDSU5648  Helianthemum scoparium Garrison 1962-7-16 Riverside 3 mi. south of Temecula, Highway 395. 335 Comment
  RSA2830  Helianthemum scoparium var. aldersonii J. T. Howell 1928-7-8 1046 Riverside Santa Ana Mountains above Glen Ivy 1220 Comment
  POM308572  Helianthemum scoparium var. vulgare Henry J. Ramsey, Henry J. Ramsey, Don Ramsey 1940-3-15 3245 Riverside Aguanga. (north of Riverside Co.) Comment
  RSA0012942  Helianthus californicus L. C. Wheeler 1931-10-4 202 Riverside San Jacinto Mountains. Strawberry Valley. 1585 Comment
  CAS-BOT-BC305711  Helianthus gracilentus Mrs. J. D. Abrams 1901-5-20 s.n. Riverside Elsinore Comment
  UC537152  Helianthus gracilentus M. E. Jones 1934-5-10 Riverside Elsinore Comment
  UCD170502  Helianthus niveus D. O. Burge 2017-3-22 2236 Riverside Palm Springs International Airport, roadside on N Gene Autry Trail. 115 Comment
  UCR18115  Helianthus niveus subsp. canescens A. C. Sanders 1978-4-2 00137 Riverside Sonoran (Colorado) Desert, Coachella Valley, between Miles Ave. and Hwy 111, just east of Washington St 30 Comment
  UCR278884  Heliotropium curassavicum Mitch Provance 2011-6-9 17195 Riverside Santa Ana River Valley, Jurupa Valley, Pedley area, Horseshoe Lake, west of Van Buren Blvd., west of the corner and Studio Pl. and Lakeview Ave. 219 Comment
  CAS-BOT-BC540729  Heliotropium curassavicum var. oculatum Sarah J. De Groot; Amy Rouillard 2015-9-15 7558 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  UCR183334  Hemizonia fasciculata Mitch Provance 2005-5-27 4605 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  POM12000  Hemizonia kelloggii Mary F. Spencer 1921-5-29 1192 Riverside San Jacinto 549 Comment
  RSA711222  Hemizonia kelloggii A. C. Sanders 2004-4-9 27469 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side. 473 Comment
  UCR111972  Hemizonia kelloggii A. C. Sanders, T. B. Salvato 2000-5-25 23403 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
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Sep 27 2010
  UCR112494  Hemizonia kelloggii A. C. Sanders 1998-5-21 21870 Riverside Hemet, alkaline flats west of town, along Stetson Ave. west of Warren Rd. 457 Comment
  RSA360324  Hemizonia paniculata E. Crow 1929-4-21 350 Riverside North of Elsinore Comment
  RSA715053  Hemizonia paniculata A. C. Sanders, T. B. Salvato 2003-5-21 26787 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
  UCR140291  Hemizonia paniculata A. C. Sanders, Guy Bruyea 2004-4-2 27427 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  CLARK-A1528-1924  Hemizonia pungens John C. Roos 1937-5-10 2452 Riverside Lake Elsinore Comment
  UCR162884  Hemizonia pungens subsp. laevis Fred M. Roberts 1993-5-16 4883 Riverside Hemet, W side of Old Warren Road, c. 0.75km N Florida Avenue near Devonshire Road, c. 1.2km WSW summit of Tres Cerritos Hills 459 Comment
  UCR23816  Hemizonia pungens subsp. laevis John C. Roos 1965-6-21 s.n. Riverside San Jacinto Comment
  UCR66975  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-7-20 2053 Riverside N shoulder of Ramona Expressway, 440 m west of Lakeview & c. 587 m east of San Jacinto River 477 Comment
  RSA715314  Hesperolinon micranthum A. C. Sanders 2006-5-19 32389 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn/Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR193526  Heterocodon rariflorum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35567 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
  UCR234753  Heteromeles arbutifolia A. C. Sanders, John F. Green 2012-6-25 40302 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, benches south of I-15 and east of Horsethief Canyon Rd. 419 Comment
  RSA0075882  Heterotheca grandiflora N. C. Cooper 1943-9-11 901 Riverside Banning 610 Comment
  RSA0021681  Hibiscus denudatus Jim Andre 2013-3-27 24814 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  CAS-BOT-BC289175  Hilaria rigida J. Von Loh 1978-1-23 60325 A Riverside Palo Verde Mesa, 12 mi. W. of Blythe 121 Comment
  SEINET188385 Image available Hilaria rigida C. L. Hitchcock 1940-4-3 5934 Riverside Joshua Tree NM ; 1 1/2 mi NE of Cottonwood Spring along 29 Palms Rd Joshua Tree Nat Monument Comment
  UCR165641  Hilaria rigida John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  RSA495404  Hirschfeldia incana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2888 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  SEINET3365552  Hoffmannseggia glauca G. Rink 2011-9-25 11071 Riverside South of I-10 at the Ford Dry Lake Exit, in a swale that sometimes holds water 110 Comment
  SEINET953583  Hoffmannseggia glauca J. C. Roos 1965-1 Riverside 17 miles West of Blythe, Colorado Desert. Comment
  SDSU7779  Hoffmannseggia microphylla unknown 1952-4-27 Riverside Junction of All-American Canal and Highway east of Mecca. Comment
  SDSU13837  Hoita macrostachya W. Miller Riverside Comment
  RSA741080  Holcus lanatus Scott D. White, Justin M. Wood 2008-6-16 12108 Riverside Fobes Canyon, +- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  UCR273492  Holocarpha virgata subsp. elongata A. C. Sanders, Glen Morrison 2016-8-4 42612 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Redonda Mesa, near radio/cellphone tower & prominent abandoned microwave tower 855 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
  UCR21125  Hordeum depressum A. C. Sanders, Steve Boyd 1980-5-19 1495 Riverside San Jacinto Mtns, Garner Valley. Meadow west of Kenworthy Ranger Station. 1375 Comment
  SEINET13262567 Image available Hordeum intercedens D. E. Bramlet 2001-1 3137 Riverside San Jacinto Wildlife Area, east of Davis Rd. at the San Jacinto River 434 Comment
  UCSB45608  Hordeum intercedens Roos, John 1952-4-23 Riverside 1 mile southeast of Perris 426 Comment
  RSA46848  Horkelia cuneata subsp. puberula Charlotte M. Wilder 1904-5-15 82 Riverside North side of Jurupa Hills, NW of Riverside Comment
  RSA304587  Horsfordia newberryi A. C. Sanders 1982-12-19 3452 Riverside Coachella Valley at the foot of the Santa Rosa Mountains, south side of the ridge forming the southern boundary of Martinez Canyon; west end of Ave74, 2.6 miles west of Polk Street. 122 Comment
  SBBG68137  Hosackia oblongifolia var. oblongifolia R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns Comment
  CLARK-A1528-1949  Hulsea heterochroma John C. Roos 1947-3-15 3325 Riverside San Jacinto Mountains 1066 Comment
  POM274195  Hulsea vestita subsp. callicarpha J. C. Roos 1946-8-27 2783 Riverside Santa Rosa Mts. 2407 Comment
  UC32855  Hulsea vestita subsp. callicarpha W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Sunset Hill; San Jacinto Mt. 1554 Comment
  UCR114629  Hulsea vestita subsp. callicarpha G. R. Ballmer, Kay Stockwell 1995-6-25 s.n. Riverside San Jacinto Mtns, Pacific Crest Trail, near Pyramid Peak [c. 3 km (airline) SSE of Palm View Pk.--A. C. Sanders] 2134 Comment
  RSA0009846  Hymenoclea salsola Marcus E. Jones 1924-2-27 s.n. Riverside Near Blythe. Comment
  RSA0054852  Hymenoclea salsola W. Marquart 1938-3-12 s.n. Riverside Twenty mi. West of Blythe. Comment
  POM12866  Hymenopappus filifolius var. lugens P. A. Munz 1922-6-29 s.n. Riverside Santa Rosa Mountains: Santa Rosa. 2134 Comment
  RSA458249  Hypericum formosum var. scouleri H. E. Hasse 1892-7-3 s.n. Riverside San Jacinto [could be San Jacinto Mtns., or could be San Jacinto Riv. near City of San Jacinto but probably mtns., based on species] Comment
  POM118341  Hyptis emoryi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  SEINET13948496 Image available Hyptis emoryi Leila M. Shultz, John S. Shultz 1985-1 8352 Riverside SE benches of Chuckawalla Mountains at Alligator Rock; T5S R15E SEC33; 33 deg. 41' N, 115 deg. 25' W; elev 1120 ft 341 Comment
  SEINET7907884  Hyptis emoryi D. A. Johnson 2005-1 2005- 02 -20-16 Riverside Between Coachella & S entrance to Joshua Tree Nat'l Park, S of Interstate 10 914 Comment
  UC472941  Hyptis emoryi M. F. Spencer 1918-4-5 Riverside Palm Canyon; Colorado Desert, Palm Canyon 150 Comment
  OBI74760  Isocoma acradenia var. eremophila Scott D. White 2006-3-29 11277 Riverside Colorado Desert: Eastern Coachella Valley a few mi E of Indio. Proposed I-10 fwy/McMaughton pkwy interchange, N of I-10 fwy Comment
  RSA125962  Isocoma acradenia var. eremophila E. K. Balls, P. C. Everett 1957-11-5 22756 Riverside Just S. of Thermal, State Hwy. 111 30 Comment
  UCR114203  Isocoma menziesii var. vernonioides A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23642 Riverside Perris-Aguanga Basin Region, French Valley, dry hills at N end of French V. Airport and just south of Auld Rd., along gasline right of way 409 Comment
  UCR193356  Isoetes orcuttii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35627 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek 1585 Comment
  CSUSB720  Isomeris arborea Daniel Sall 1970-4-25 Riverside Palm Springs, about 150 yards from start of trail in Tahquitz Canyon wash 304 Comment
  LA85176  Isomeris arborea O. H. Kappler; 1941-3-15 127 Riverside Morongo Pass Area, Desert City Comment
  UCR102717  Isomeris arborea B. G. Pitzer 1998-1-24 3403 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  POM361291  Iva axillaris subsp. robustior N. C. Cooper 1944-7-15 1594 Riverside Palms to Pines Highway, San Jacinto Mountains. 1372 Comment
  RSA0011069  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37148 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
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Oct 21 2019
  UCR209191  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37142 Riverside Peninsular Range, Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 335 Comment
  UCR280962  Juglans hindsii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-2 617- 03 Riverside Temescal Valley, Horsethief Canyon Wash, S. side of I-15, vicinity of De Palma Rd. 378 Comment
  JEPS74123  Juncus acutus subsp. leopoldii D. P. Barrows 1898-1 5 d Riverside Coahuilla Valley region Comment
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Sep 23 2009
  HSC101589  Juncus bufonius Steve Boyd, G. D. Wallace 2005-7-30 11643 Riverside Peninsular Ranges; San Jacinto Mountains region; San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2652 Comment
  RSA719519  Juncus bufonius Naomi Fraga, et al. 2006-7-11 1725 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  SD146109  Juncus bufonius A. C. Sanders, K. C. Rose 1999-6-18 22825 Riverside Domenigoni Valley, upper Warm Springs Creek, between Highway 79 (Winchesrwe Road) and Scott Road, Domenigoni Ranch, south of Winchester; winchester 7.5' quad. In mud along drying creek margins among dense herbs, between old fields. 433 Comment
  UCR59675  Juncus bufonius Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3541 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  UCR60542  Juncus bufonius R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51978 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  RSA623560  Juncus bufonius var. bufonius R. E. Riefner 1998-7-10 98 -416 Riverside Menifee Valley Comment
  RSA741268  Juncus effusus subsp. austrocalifornicus Scott D. White, Justin M. Wood 2008-7-10 12451 Riverside Fobes Spring 1500 Comment
  UCR151038  Juncus effusus subsp. austrocalifornicus Scott D. White 1998-7-31 6957 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  POM78994  Juncus mexicanus I. M. Johnston 1925-7-19 s.n. Riverside Pedley - Norco Road, 4 miles SSE of Wineville. Comment
  RSA192134  Juncus mexicanus E. W. Lathrop 1960-6-9 4960 Riverside 14 miles west of Murrieta. Comment
  UCR21011  Juncus mexicanus A. C. Sanders, J. Zabriskie, S. D. Boyd 1980-4-17 1336 Riverside Sonoran (western Colorado) Desert, Coachella Valley at the foot of the Indio Hills near Thousand Palms Oasis, Willis Palms grove 152 Comment
  RSA0048652  Juncus mexicanus D. M. McFadden 1954-7-1 s.n. Riverside Garner Ranch. San Jacinto Mt. [county not specified] 1463 Comment
  UCR167809  Juncus rugulosus T. B. Salvato, Melissa Clemons 2005-6-23 1317 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  UCD141897  Juncus tiehmii Barbara Ertter; J. Strachan 1979-6-26 2971 a Riverside Kenworthy Forest Station on Hwy 74 in Garner Valley, San Jacinto Mountains. Comment
  POM229010  Juncus xiphioides Phillip A. Munz 1937-5-30 15130 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  CAS-BOT-BC85416  Juniperus californica Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  RSA336053  Juniperus californica Robert F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52078 Riverside Bighorn Lookout: Santa Rosa Mountains. Comment
  RSA352499  Juniperus californica N. C. Cooper 1944-5-20 1306 Riverside Pine Flats, Palms to Pines Hwy. 1220 Comment
  RSA598424  Juniperus californica F. C. Vasek 1963-3-31 630331 -3 Riverside Small valley in a canyon just south of highest peak in Coxcomb Mountains. 1067 Comment
  UCR90975  Juniperus californica Scott D. White 1995-12-30 3803 Riverside Perris Basin, SW of Perris, above S bank of San Jacinto River. 442 Comment
  CAS-BOT-BC234573  Justicia californica Walter Wm. Zabriskie 1973-2-8 103 Riverside West side of jeep road leading to Coyote Canyon from Deep Canyon Research Center road; N slope Santa Rosa Mts. 292 Comment
  CAS-BOT-BC234583  Justicia californica Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well Comment
  JEPS9350  Justicia californica Mary Beal 1941-4-6 862 Riverside Box Canyon Colorado Desert, Mecca Hills, Coachella Valley, Box Canyon Comment
  RSA398810  Justicia californica Robert Gustafson 1978-3-21 839 Riverside Joshua Tree National Monument, about 4 miles from the junction of the road leading through the park and Hwy 70. 640 Comment
  SEINET2163666 Image available Justicia californica G. L. Webster, R. Hildreth 1966-12-10 7461 Riverside Joshua Tree National Monument; upper part of Cottonwood Canyon. 790 Comment
  SBBG44958  Justicia californica I. W. Clokey 1935-4-17 6888 Riverside Cottonwood Springs Comment
  SEINET13945561 Image available Kallstroemia californica J. C. Roos 1937-1 357 Riverside Blythe Comment
  RSA67761  Keckiella antirrhinoides G. R. Campbell 1951-4-22 16072 Riverside Hwy 74, 4 mi. above Cranston Ranger Stn. 1006 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
  SBBG66454  Keckiella antirrhinoides subsp. microphylla L. G. Yates 1894-11-22 Riverside Riverside County [no specific locality] Comment
  LA35236  Keckiella antirrhinoides var. antirrhinoides Mary V. Hood; 1942-6-13 42- 37 k* Riverside rd between Temecula and Aguanga 426 Comment
  UCR138896  Keckiella antirrhinoides var. antirrhinoides D. L. Banks 1997-4-5 1658 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  UCR91419  Keckiella antirrhinoides var. antirrhinoides Scott D. White 1995-4-5 2722 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  RSA597081  Keckiella cordifolia D. L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1119 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, SW side of the Water Storage tank., 100 m N of the road junction between the main Preserve Road and the road to the Emerson Cottage. 457 Comment
  SBBG11771  Keckiella ternata subsp. ternata D. E. Breedlove 1961-8-5 939 Riverside Riverside Hwy 1, 0.2 mi SW of Fuller Mill Crk 1645 Comment
  CAS-BOT-BC61421  Krameria bicolor Geo. B. Grant 1906-5-1 6786 Riverside Colorado desert at Palm Springs, southern California Comment
  CHSC26046  Krameria erecta James Henrickson 1971-4-2 5478 Riverside Near Hidden Oasis, 13 miles E. of Palm Springs; on rocky slope above sandy arroyo near fan palm oasis. 182 Comment
  RSA273332  Krameria erecta J. P. Smith, J. O. Sawyer 1973-6-10 6885 Riverside Joshua Tree National Monument. Comment
  SJSU5874  Krameria erecta R. C. McGehee 1970-4-14 189 Riverside Wiley Well, 26 mi SW of Blythe Comment
  CLARK-A1528-5688  Krameria grayi John C. Roos 1946-5-15 3856 Riverside Eagle Mountains Comment
  UC570040  Krameria grayi H. S. Yates 1936-4-8 5454 Riverside near Fish Springs; Thermal Quad. 60 Comment
  RSA91216  Krameria grayi F. W. Peirson 1934-04 2034 Riverside Whitewater at head of Coachella Valley. Comment
  CSUSB1163  Krameria parvifolia Wayne White 1975-5-17 Riverside Chuckwalla Mountains On Red Cloud Road, off Highway I-10, Chuckwalla Mountains. Colorado Desert. 484 Comment
  UCR99856  Lamium amplexicaule Scott D. White 1993-3-3 1101 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  POM10415  Langloisia setosissima subsp. setosissima Charlotte M. Wilder 1907-4-6 712 Riverside Whitewater Ranch Comment
  UC700954  Langloisia setosissima subsp. setosissima Aven and Ruth Nelson 1939-3-29 3323 Riverside ner the Palm grove Hidden Springs Comment
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Apr 17 2011
  POM8310  Larrea tridentata Mary F. Spencer 1920-4-9 223 Riverside In desert sand. Palm Springs. 122 Comment
  RSA796459  Larrea tridentata Duncan S. Bell 2009-4-18 217 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
  UCR16343  Larrea tridentata S. Nelson 1974-4-13 s.n. Riverside Sonoran (Colorado) Desert, [Coachella Valley] 2 mi north of U.S. Highway 10 on Washington St. 153 Comment
  CHSC108873  Lasthenia californica Duncan S. Bell; Valentin Arvizu 2010-5-10 985 Riverside Peninsular Ranges; San Jacinto Mountains region: San Bernardino National Forest: Garner Valley, approximately 1.4 air miles southeast of junction of forest service road 6S13 and forest service road 6S04. 1365 Comment
  RSA0106455  Lasthenia californica Daphne K. Christopher, Hannah Stevens 2003-4-3 81 Riverside UC Riverside, Motte Rimrock Reserve. Off Hairstreak trail. 536 Comment
  SEINET7073465  Lasthenia californica A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  RSA614294  Lasthenia coronaria D. L. Banks, V. W. Steinmann 1997-3-13 1514 Riverside NW Palomar Mountains, Agua Tibia Mountains: Vail Lake area, north and just south of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  SEINET11447683 Image available Lasthenia coronaria H. M. Hall 1903-3-28 3714 Riverside Vicinity of Riverside 427 Comment
  SD193078  Lasthenia glabrata subsp. coulteri W. J. Schrenk 2008-2-19 83 Riverside San Jacinto Wildlife Area, pond #1 Comment
  HSC5141  Lasthenia gracilis R. A. Eagle 1963-4-8 9 Riverside San Jacinto Mtns.; Idyllwild-Banning Rd. Comment
  RSA617151  Lasthenia gracilis A. C. Sanders, C. L. Sanders, E. J. Lawlor 1996-4-21 18070 Riverside Morongo Indian Reservation, grounds of Malki Meseum, NE of Banning. 732 Comment
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Sep 10 2011
  RSA511357  Lathyrus vestitus subsp. alefeldii B. Pitzer, E. Misquez 1988-3-20 665 Riverside Cleveland National Forest, San Juan Loop Trail, ca. 4 mi. W of El Cariso Village, just across the hwy from Ortega Parks Store. 548 Comment
  UCR89878  Lathyrus vestitus var. vestitus Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3339 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
  JOTR31073  Layia glandulosa La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2336 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  UCR34929  Layia glandulosa L. B. Ziegler 1972-5-4 452 Riverside San Jacinto Mtns, Hemet (Garner) Valley area in Apple Canyon (east of Hemet Lake). 1433 Comment
  UC63239  Layia platyglossa H. M. Hall May 17 1901-Jun 1 1901 1814 Riverside Johnston Ranch San Jacinto Mountains, Johnston Ranch 1371 Comment
  UCR112395  Layia platyglossa A. C. Sanders, K. C. Rose 1998-5-21 21856 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  UCR214905  Layia platyglossa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37679 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
  UCR34928  Layia platyglossa L. B. Ziegler 1969-5-10 361 Riverside Peninsular Range; San Jacinto Mtns., Hemet Valley 1402 Comment
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Jan 8 2013
  UCR96874  Layia platyglossa Scott D. White 1993-4-30 1309 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  RSA604718  Lemna gibba L. C. Wheeler 1961-6-24 7914 Riverside San Jacinto Mountains: Fulmor Lake. Comment
  UCR281001  Lepidium densiflorum Mitch Provance, John Hazlett 2017-4-27 417- 39 Riverside Elsinore Trough, Lake Elsinore, S end of Birch St., 0.1 mi W of Chaney St. and Education Way 386 Comment
  POM13783  Lepidium dictyotum P. A. Munz, I. M. Johnston 1922-5-5 5153 Riverside Mystic Lake, near Moreno. 427 Comment
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Mar 20 2011
  RSA593915  Lepidium dictyotum var. acutidens Steve Boyd, Dave Bramlet 1996-4-19 8595 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  SD145979  Lepidium fremontii B. Pitzer, Tracy Tennant 1998-2-21 3541 Riverside Colorado Desert: north-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 412 Comment
  POM93923  Lepidium fremontii Marcus E. Jones 1926-2-16 s.n. Riverside West of Desert Center Comment
  RSA429921  Lepidium lasiocarpum Geo Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  UCR112102  Lepidium lasiocarpum A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23353 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR240264  Lepidium latipes var. latipes D. E. Bramlet, Robt. L. Allen, Fred M. Roberts 2011-4-30 4826 Riverside Peninsular Range; Elsinore Trough, Nichols Road wetlands area, 253 m south of Nichols Rd. & 76 m east of Baker St. 384 Comment
  SD140144  Lepidium nitidum Scott White 1993-4-20 1203 Riverside Estelle Peak, Gavilan Hills 825 Comment
  POM139  Lepidium virginicum var. pubescens Street, Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
  POM184160  Lepidospartum squamatum M. French Gilman 1932-11-30 4 Riverside Whitewater Point. Comment
  SDSU13577  Lepidospartum squamatum W. Miller with C. Mosse 1972-8-9 Riverside Comment
  SFV11881  Lepidospartum squamatum R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UCR250403  Lepidospartum squamatum Jeremiah George 2012-10-17 s.n. Riverside San Gorgonio Pass, SW of Banning, under SCE powerline right-of-way east of South Highland Home Rd. and north of Laird Rd. 745 Comment
  RSA652882  Leptochloa fusca subsp. uninervia John Wallace 1991-5-8 18 Riverside Colorado River; Approximately 3 miles south of Lost Lake Resort. Comment
  UCR3438  Leptodactylon californicum subsp. leptotrichomum John Minnich 1964-3-28 64-3-28- 5 Riverside Santa Ana Mountains, Hwy 74, on Elsinore side of of summit 610 Comment
  POM12799  Leptosiphon ciliatus P. A. Munz 1922-6-23 5765 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  UCSB5176  Leptosiphon ciliatus Kamb, Peter 1947-6-7 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  CAS-BOT-BC227049  Leptosiphon floribundus subsp. glaber Frank W. Peirson 1922-4-28 946 Riverside Leach Canon [Canyon], Elsinore Region Comment
  SBBG5988  Leptosiphon lemmonii H. and M. Dearing 1940-6-9 4364 Riverside Palms to Pines Hwy near Hemet Comment
  RSA73075  Leptosiphon liniflorus F. W. Peirson 1924-7-2 5032 Riverside Banning to Idyllwild road. 1570 Comment
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Nov 17 2011
  SJSU8710  Leptosiphon nuttallii J. W. Tofflemire 1957-4-18 Riverside 5 mi up Baurista Canyon Rd SE of Hemet 1219 Comment
  SBBG27981  Lessingia glandulifera var. glandulifera J. T. Howell 1927-8-2 2929 Riverside rd to Hemet, Mt San Jacinto Comment
  RSA599107  Leymus condensatus V. W. Steinmann 1996-4-13 832 Riverside East of Route 15, east of Temescal Canyon Road, northwest of junction with India Truck Trail 350 Comment
  POM47667  Leymus triticoides F. W. Peirson 1924-6-1 4678 Riverside River lands along Santa Ana River. 152 Comment
  RSA632469  Ligustrum Scott D. White 1998-6-17 6753 -A Riverside Along Gavilan Rd. or Santa Rosa Mine Rd., ca. 7 miles survey route from Gavilan/Cajalco Rd. jtn. south and east to Santa Rosa Mine/Post Rd. jtn. 488 Comment
  RSA784829  Linanthus J. D. Olmsted 1962-6-23 5243 Riverside SE San Bernardino Mtns: At first switchback out of Banning Water Canyon towards Gunsight Pass and Raywood Flat. 1555 Comment
  CAS-BOT-BC225698  Linanthus californicus T. Craig 1927-4-23 207 Riverside Glen Ivy Comment
  UCR250857  Linanthus californicus Dick Newell, Judy Booth 2014-3-9 356 Riverside Peninsular Range; Santa Ana Mtns., South Main Divide Road, 0.34 mi. east of Ortega Hwy 865 Comment
  HSC92523  Linanthus dianthiflorus D. Atwood, L. Stritch 1993-4-2 17902 Riverside Santa Rosa Plateau TNC Preserve and adjacent to BLM administrated lands 671 Comment
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Dec 3 2012
  CAS-BOT-BC226875  Linanthus jaegeri H. M. Hall 1901-8-1 2596 Riverside San Jacinto Mountains. Vicinity of Tamarack Valley 2590 Comment
  UC880049  Linanthus lemmonii P. A. Munz and I. M. Johnston 1922-5-20 5477 Riverside Kenworthy San Jacinto Mts. 1463 Comment
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Mar 25 2011
  UCR161031  Linanthus lemmonii D. E. Bramlet 1991-5-1 2103 Riverside Wilson Valley 671 Comment
  POM229435  Linanthus pungens subsp. hallii P. A. Munz 1937-5-29 15100 Riverside Edge of Pinyon Flat, Santa Rosa Mts. 1220 Comment
  UCR251314  Linaria canadensis var. texana T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7421 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  UCR97499  Linaria canadensis var. texana A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19875 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UC665779  Linum usitatissimum Ira L. Wiggins 1941-3-24 9572 Riverside 0.3 mi s of Myoma (4.6 mi n of Indio) Comment
  JEPS8680  Lithophragma affine Rimo Bacigalupi with Gene Newcomb 1954-4-25 4402 Riverside about 0.75 mi s Sage (along Calif Hwy 79, close to summit of St. Johns Grade, 9.5 mi n of junction with Calif Hwy 71) 731 Comment
  UCR20389  Lithophragma affine John C. Roos, L. Roos 1954-4-17 6067 Riverside Canyon [1 mile] SE of [summit of] Reche Canyon 686 Comment
  RSA92724  Loeflingia squarrosa J. C. Roos 1952-5-14 5664 Riverside 2 mi. northwest of Perris. 503 Comment
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May 21 2011
  JOTR33965  Loeseliastrum matthewsii La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2851 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  RSA25369  Loeseliastrum matthewsii C. L. Hitchcock 1940-3-31 5885 Riverside 0.5 mile below Cottonwood Springs Comment
  POM14104  Loeseliastrum schottii P. A. Munz, D. D. Keck 1922-4-13 4936 Riverside Desert Center. 183 Comment
  UCR244378  Loeseliastrum schottii Jim Andre 2012-4-16 20947 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
  POM9195  Loeseliastrum schottii P. A. Munz, R. D. Harwood 1920-4-4 3525 Riverside Pass south of Palm Springs. 152 Comment
  UCR59770  Logfia arizonica Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3043 Riverside Peninsular Range, Vail Lake area, 0.75 mi NW of dam, S flank Oak Mountain 622 Comment
  JOTR30926  Logfia depressa La Doux, Tasha, Bill Truesdell 2008-4-29 2601 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Rocky side canyon above Johnny Lang Canyon (Stop 10) 1235 Comment
  UCR54311  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  POM1287  Lolium temulentum Geo R. Hall 1904-09 s.n. Riverside Riverside Comment
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Jun 3 2012
  UCR48488  Lomatium utriculatum Steve Boyd 1986-3-9 1381 Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  POM157935  Lomatium vaginatum P. A. Munz 1927-5-21 10834 Riverside Coahuila Valley. Comment
  UCR120924  Lonicera interrupta A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24924 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  RSA741271  Lonicera subspicata Scott D. White, Justin M. Wood 2008-7-10 12448 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  UCR201460  Lonicera subspicata Scott D. White, Justin M. Wood 2008-7-10 12448 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  HSC79578  Lonicera subspicata var. denudata James Henrickson 1972-5-21 7194 Riverside 13 air mi. W of Temecula in Mateo Canyon along Teneja Rd., ca. 4 mi. N of Teneja Campground. 457 Comment
  CSUSB1188  Lotus argophyllus Margaret-Lee Dean 1965-4-5 Riverside Bernasconi Hills, 6 miles east of Highway 395 on Martin Road 487 Comment
  UCR27091  Lotus argophyllus T. P. Krantz, K. Berg 1982-5-26 s.n. Riverside San Jacinto Mtns., along Bonita Vista Road, north of Garner Valley Comment
  RSA406722  Lotus argophyllus var. argophyllus Anstruther Davidson 1893-4-12 s.n Riverside Palm Springs. Comment
  RSA715069  Lotus hamatus A. C. Sanders, D. Malueg 2003-5-8 26568 Riverside Perris-Aguanga Basin region: Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek. 396 Comment
  RSA552712  Lotus heermannii Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-25 6681 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
  UC15659  Lotus heermannii H. M. Hall 1901-6 2379 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  RSA788868  Lotus nevadensis var. davidsonii Gary D. Wallace 2003-7-8 4034 Riverside Hidden Lake. Comment
  RSA406729  Lotus nevadensis var. nevadensis N. C. Cooper 1949-6-29 4323 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  UC1931212  Lotus oblongifolius Scott D. White, Justin Wood 2008-7-8 12371 Riverside San Jacinto Mountains: Hurkey Creek Watershade - Bonita Vista Road, ca 1/2 miles E and W of Hurkey Creek crossing. (Idyllwild) Comment
  RSA775340  Lotus procumbens var. procumbens Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5021 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
  SEINET253737 Image available Lotus salsuginosus A. C. Sanders 1997-3-19 Riverside lake Skinner area: lower S. slopes of Bachelor Mtn., near old quarries (Bachelor Mtn. 472 Comment
  UCR85248  Lotus salsuginosus A. C. Sanders, P. J. MacKay, , M. Jacobsmeyer, et al. 1995-3-5 15987 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  UCR269856  Lotus salsuginosus var. brevivexillus A. C. Sanders, Jim Malusa 2016-3-17 42356 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, along Gasline Road at major wash crossing 1.9 miles south of Bradshaw Trail 675 Comment
  RSA522729  Lotus salsuginosus var. salsuginosus Steve Boyd, Tim S. Ross, Laurel Arnseth, Bob Boyd 1990-3-29 3834 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  UCR44444  Lotus salsuginosus var. salsuginosus A. C. Sanders, B. Pitzer 1986-4-30 6483 Riverside San Jacinto Mtns, upper Bee Canyon along the road, 1.3 mi. above the mouth of the canyon at the San Jacinto River Valley 732 Comment
  RSA342558  Lotus scoparius R. F. Thorne 1980-5-28 54204 Riverside San Bernardino Mtns: Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  UCR187500  Lotus scoparius subsp. brevialatus Theresa Johnson 2006-5-11 098 Riverside Peninsular Range;, Santa Rosa Plateau, Los Alamos Canyon above confluence with San Mateo Canyon 427 Comment
  SEINET222319 Image available Lotus scoparius var. brevialatus B. Ertter, J. Strachan 1979-6-26 2983 Riverside Highway 243 near Idyllwild San Jacinto Mts. Comment
  RSA673505  Lotus strigosus Scott D. White, Bill La Haye 2000-5-27 7965 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  RSA775606  Lotus strigosus Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 999 Riverside Iron Mountains, on southwest side of mountains in wash. 423 Comment
  RSA777388  Lotus strigosus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 783 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  RSA795918  Lotus strigosus Duncan S. Bell 2009-4-18 232 Riverside Arica Mountains; northeast of range, approximately 1 air mile south of the ghost town of Rice. 248 Comment
  UC56584  Lotus strigosus H. M. Hall May 1901 1907 Riverside Coyote Canyon San Jacinto Mountains, Santa Rosa Mountain 1524 Comment
  UC864293  Lotus strigosus Ira L. Wiggins 1937-3-9 8766 Riverside n of Indio Comment
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Dec 16 2011
  RSA0037334  Lotus strigosus Bob Rogers 1984-5-5 33 Riverside Collected along a trail bordering the west side of Fuller Mill Creek heading upstream. Starting point was on the North side of Hwy 243, 11.6 miles from hwy 74/hwy 243 jctn. 1524 Comment
  RSA395  Lotus strigosus var. hirtellus J. T. Howell 1927-8-2 564 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  UCR263651  Lotus strigosus var. tomentellus David Fraker, Aaron C. Sedgwick 2012-3-22 032 Riverside Sonoran (Colorado) Desert, Palen Mountains, Coxcomb Monument Road [becomes Palen Pass Rd.] c. 8 miles east of Hwy 177 376 Comment
  UCR1291B  Lupinus albifrons Martha McCarthy 1960-4-24 s.n. Riverside Santa Ana Mtns, 150 yd east of Teneja Rd. and c. 8 mi from the junction with Washington Ave., Murrieta 732 Comment
  RSA413641  Lupinus andersonii N. C. Cooper 1944-6-16 1419 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  RSA414451  Lupinus argenteus var. tenellus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA160028  Lupinus arizonicus David B. Dunn 1946-2-22 1965 Riverside All American Canal catch basin from desert washes. Orocopia Mts. north east of the Salton Sea. Comment
  RSA450526  Lupinus arizonicus B. A. Prigge 1988-2-21 7836 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
  RSA795737  Lupinus arizonicus Jim Andre 2012-3-18 21286 Riverside Palen Valley; along Rice Road (Highway 177) east of Coxcomb Mountains, 9.6 miles south of Highway 62. 208 Comment
  SD187405  Lupinus arizonicus Naomi Fraga, Lisa Rojas 2005-2-10 1371 Riverside Colorado Desert: Northeastern Colorado Desert region: Just north of Palen Pass Road, ca. 10 miles east of Hwy 177 365 Comment
  SEINET8043502 Image available Lupinus arizonicus Duncan S. Bell, Evan Meyer 2014-1 6521 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR230917  Lupinus arizonicus T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 052 Riverside Coachella Valley, 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal 9 Comment
  UCR267894  Lupinus arizonicus Jim Andre 2013-3-4 23857 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  UCR90333  Lupinus arizonicus Ed LaRue 1993-4-29 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 137 Comment
  UC1922387  Lupinus arizonicus Michael Honer with L. Hulse 2004-4-2 1880 Riverside Colorado Desert; Little San Bernardino Mountains Region: East Wide Canyon near MWD aqueduct approx. 2 mi N of Dillon Road. Comment
  RSA736536  Lupinus bicolor Scott D. White 2004-4-26 10267 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  UCR169399  Lupinus bicolor T. B. Salvato, John F. Green 2004-5-27 609 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
  UCR174082  Lupinus bicolor A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32543 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 564 Comment
  SEINET10484859  Lupinus bicolor subsp. marginatus David B. Dunn 1947-3-16 Dunn 2921 Riverside 0.5 mile n of cabazon in banning pass Comment
  POM317055  Lupinus bicolor subsp. microphyllus F. W. Peirson 1922-4-29 5224 Riverside South of Lake Elsinore. 381 Comment
  POM10226  Lupinus concinnus subsp. concinnus F. M. Reed 1907-5-5 1332 Riverside Fairmount Park. Comment
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Nov 30 2009
  RSA407147  Lupinus concinnus subsp. optatus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA49180  Lupinus concinnus subsp. orcuttii Philip A. Munz 1949-4-13 13054 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  SEINET10485242  Lupinus densiflorus var. lacteus Woglum 1938-5-1 WOGLUM 1603 Riverside Between hemet and aguanga. Comment
  SBBG35091  Lupinus excubitus T. L. Secrest 1951-5-19 Riverside near Idyllwild Comment
  CAS-BOT-BC216681  Lupinus excubitus subsp. hallii Carl B. Wolf 1932-5-25 3687 Riverside Gilman Ranch in the foothills of Banning 853 Comment
  RSA413570  Lupinus excubitus var. austromontanus Christopher Davidson 1977-5-18 5619 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  CAS-BOT-BC216697  Lupinus excubitus var. excubitus P. C. Everett 1935-6-18 7182 Riverside 1 mile from Ortega Highway, Main Divide Motorway to Santiago Peak, Santa Ana Mountains 731 Comment
  JOTR34171  Lupinus excubitus var. excubitus Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 128 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  RSA653551  Lupinus excubitus var. hallii Scott D. White 1999-5-24 7405 (2 repl. total) 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
  UC729971  Lupinus excubitus var. hallii Carl B. Wolf 1932-5-25 3687 Riverside n Banning (Gilman Ranch in the foothills, in small canyon); foothills n of Banning 853 Comment
  RSA0125292  Lupinus hirsutissimus Duncan S. Bell 2016-3-3 8778 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3.5 air miles east northeast of Kitching Peak. 820 Comment
  SEINET2062641 Image available Lupinus hirsutissimus Norman C. Cooper 1945-5-5 2249 Riverside San Gorgonio Mts above Banning 762 Comment
  UCR262283  Lupinus hirsutissimus A. C. Sanders 2006-5-13 32284 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR43284  Lupinus hirsutissimus B. A. Carlson 1986-4-10 s.n. Riverside Upper Coachella Valley, floodplain of the Whitewater River at field of wind turbines among settling ponds west of Indian Avenue near Hugo Siding on S.P.R.R. 244 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
  RSA519403  Lupinus latifolius Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA0096913  Lupinus microcarpus var. densiflorus R. S. Woglum 1939-4-22 2183 Riverside Peninsular Ranges: Hemet to Anza; San Jacinto Mtns. Comment
  JOTR30981  Lupinus sparsiflorus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1958 Riverside Joshua Tree National Park. (Stop 2) Hexie Mountains, east end of Blue Cut Gorge, toe slope with bouldery wash Comment
  SBBG99765  Lupinus sparsiflorus W. L. Halvorson 1977-2-15 77 -27 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  SD227818  Lupinus sparsiflorus Andrew C. Sanders 1994-5-29 14562 Riverside San Bernardino Mountains: lower Millard Canyon, at first stream crossing on FS Road 2S05 850 Comment
  UC1979544  Lupinus sparsiflorus Darin L. Banks, Steve Boyd 1995-5-3 232 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of Dripping Springd Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  UC668375  Lupinus sparsiflorus Annie M. Alexander and Louise Kellogg 1941-4-22 2064 Riverside Morongo Valley Gorge 701 Comment
  UCR163399  Lupinus sparsiflorus O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  UCR241180  Lupinus sparsiflorus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 13 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, lower Hathaway Canyon along Hathaway Canyon Rd. 826 Comment
  RSA772530  Lupinus truncatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4441 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
  SEINET10870706  Lupinus truncatus Earl W. Lathrop 1969-5-8 Lathrop 7013 Riverside Main divide truck; trail between el carrison and san mateo canyon. Cleveland National forest. Chaparral with southern oak woodland. Santa ana mountains. 1219 Comment
  RSA422104  Lycium andersonii H. de Forest, Jack Rempel 1937-3-15 415 Riverside South of Rice. Comment
  UCR17043  Lycium andersonii O. F. Clarke 1970-11-14 s.n. Riverside Peninsular Range, Near the Hagney Property on the SE side of Lake Matthews Comment
  SEINET12808830  Lycium brevipes H. Schmidt, Chris Dietrich, M. Merello 1994-1 29 Riverside 7.5 mi S of North Shore on State Hwy 111. Along Hwy on E shore of Salton Sea. 60 Comment
  POM160109  Lycium cooperi E. C. Jaeger 1927-3-23 s.n. Riverside Beal's Wall, Colorado Desert Comment
  UC1329895  Lycium cooperi James E. Cole 1941-5-17 721 Riverside Covington Flat Canyon Joshua Tree National Monument 1432 Comment
  CAS-BOT-BC231498  Lycium torreyi Roxana S. Ferris 1918-6-19 1013 Riverside Colorado River bottoms near Blythe Comment
  RSA785450  Lythrum californicum Jeremiah George 2011-8-9 s.n. Riverside north shore of Lake Elsinore, south of end of Lehr Dr. 384 Comment
  RSA356645  Lythrum hyssopifolia Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47309 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  CLARK-A1528-2000  Machaeranthera cognata John C. Roos 1949-4-6 4138 Riverside Orocopia Mountains Comment
  RSA781414  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell 2011-10-22 2994 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  UC1608214  Madia gracilis Steve Boyd and Tim Ross 1992-6-10 7629 Riverside due w junction of Tenaja Road (7S01) and Los Alamos Road (7S04) (at confluence of Los Alamos Creek & main trunk of San Mateo Creek, San Mateo Canyon about Potrero Escondido, isolated area of low relief top the ridge); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 670 Comment
  UC219591  Madia gracilis P. A. Munz 1922-6-23 5768 Riverside Keen Camp San Jacinto Mts., Keen Camp 1524 Comment
  RSA495433  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2959 Riverside Vail Lake area, west shore of lake, Kolb Crk. drainage in series of small side draws. 441 Comment
  RSA496120  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3054 Riverside Vail Lake area, 0.75 miles N of dam, at edge of dissected bench, S flank Oak Mountain 518 Comment
  UCR256788  Malacothamnus fasciculatus T. B. Salvato, Matthew Malle 2013-5-20 7571 Riverside Perris-Aguanga Basin, Menifee, east of Railroad Canyon and west of Hyw I-215. Murrieta Road between Newport Road and La Piedra Road 454 Comment
  RSA586732  Malacothrix clevelandii D. L. Banks, S. D. Boyd 1995-5-17 0455 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  RSA751910  Malacothrix clevelandii Scott D. White, Justin M. Wood 2009-5-22 12913 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. Comment
  OBI37418  Malacothrix glabrata M. rosczyk & G. Helmkamp, G. Helmkamp 1985-4-4 254 Riverside Big Morongo Preserve, S of Morongo Valley; W edge of the main cyn just below the BLM gate 533 Comment
  RSA79158  Malacothrix glabrata P. A. Munz, Percy C. Everett 1952-5-2 16248 Riverside 2 miles west of Desert Hot Springs 183 Comment
  UC1979612  Malacothrix saxatilis var. tenuifolia D. L. Banks, Victor Steinmann 1995-7-10 0743 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. Comment
  UCR277498  Malva pseudolavatera Mitch Provance 2013-3-3 313- 01 Riverside San Bernardino Valley, Riverside, Springbrook Creek (remnant) Fairmont Park, between the east side of Lake Evans and the west side of Market St. 245 Comment
  UCR229497  Malvella leprosa Jeremiah George 2011-7-18 s.n. Riverside Peninsular Range; Elsinore Trough, North Lake Elsinore, just west of Nichols Rd. and Collier Ave. junction 384 Comment
  POM13096  Mammillaria tetrancistra P. A. Munz, D. D. Keck 1922-4-9 5016 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. Colorado Desert. 518 Comment
  SEINET4584946 Image available Marah fabacea C. Baker 1957-5-3 s.n. Riverside On edge of Redlands 418 Comment
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Aug 16 2015
  RSA0106889  Marah macrocarpa Daphne K. Christopher, Hannah Stevens 2003-4-4 92 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  RSA652417  Marah macrocarpa Gregorio Hernandez 1953-2-1 s.n. Riverside End of So. Broad Way Cabazon Comment
  UCR132423  Marah macrocarpa A. C. Sanders 2004-2-6 27380 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon at head of small nameless canyon on south side of ridge 427 Comment
  RSA736384  Matricaria globifera Scott D. White, Justin M. Wood 2008-5-1 11925 Riverside Perris Basin: I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  UCR127563  Matricaria matricarioides A. C. Sanders, T. B. Salvato 2003-5-21 26794 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  SEINET7882514 Image available Matricaria suaveolens Jean Coulson 1959-1 s.n. Riverside Riverside; Canyon Crest Blvd., 100 yds S. of Liden 0 Comment
  SBBG67111  Medicago polymorpha M. N. Ackley 1928-3-10 577 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  SDSU13941  Medicago sativa Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2158 Riverside Santa Margarita Ecological Reserve (SDSU), along north-south running dirt road. 396 Comment
  RSA0063038  Medicago sativa Andrew Haimov, April Sleigh 1992-5-19 94 Riverside East side of Davis Road, 1/2 mile south of Allessandro Road. Comment
  SD240782  Melasphaerula ramosa O. F. Clarke 2006-4-4 Riverside Riverside, UCR Botanical Garden (Riverside East 7.5'Q) 334 Comment
  JOTR29499  Melica frutescens La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1609 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Long Canyon; Stop 2, in side canyon east of main wash. 837 Comment
  LA102206  Melica frutescens John C. Roos; 1965-6-13 sn Riverside W base of San Jacinto Mountains, E of Hemet (Probably on Highway 74) Comment
  SBBG122770  Melica frutescens A. Parikh 1990-5-8 164 Riverside Motte Rimrock Reserve, W of Perris Valley, 0.6 km S of Cajalco Rd, 1 km E of Old Elsinore Rd 518 Comment
  SEINET2473431 Image available Melica frutescens Andrew C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-1 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-15 404 Comment
  UCR124097  Melica frutescens Steven R. Hill 2001-5-3 33666 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  UCR174306  Melica frutescens A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32647 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  CAS-BOT-BC281416  Melica imperfecta Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  JOTR16782  Melica imperfecta Hogan, J. 1975-4-20 207 Riverside Joshua Tree National Park. MIDDLE OF SMITH WATER CANYON 1127 Comment
  UC618994  Melica imperfecta A. Lewis 1934-3-1 325 Riverside Bedford Canyon; Cleveland National Forest, Corona Quad. 762 Comment
  UCR20447  Melica imperfecta E. W. Lathrop 1966-4-13 6171 Riverside Peninsular Range, 3 mi NW of Murrieta Comment
  UCR270304  Melica imperfecta T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8370 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  UCR107747  Melilotus indicus D. L. Banks 1997-5-5 1992 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 S fork of Pechanga Creek 427 Comment
  UCR143385  Mentha aquatica Joseph A. Ewan 1931-10-3 5212 Riverside Santa Ana River, 4 miles NW of Corona 162 Comment
  RSA526512  Mentzelia dispersa Steve Boyd, T. S. Ross 1990-5-11 4706 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  JOTR32038  Mentzelia involucrata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2268 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; near Squaw Tank; sandy flats among large granitic boulders and foothills (Stop 2) 1063 Comment
  RSA440412  Mentzelia involucrata May N. Ackley 1928-3-10 s.n. Riverside Bridge Haven, Comment
  RSA440419  Mentzelia involucrata H. C. Ackley 1926-02 s.n. Riverside Shavers Well, Colorado Desert. Comment
  RSA795936  Mentzelia involucrata Duncan S. Bell 2009-4-19 260 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCR232515  Mentzelia involucrata Dave Silverman 2010-3-30 7890 Riverside Sonoran (Colorado) Desert, east flank of southern McCoy Mountains, 1.8 km W of Black Creek Rd, 7.0 km E of McCoy Peak, and 4.4 km north of I-10 175 Comment
  UCR4133  Mentzelia involucrata Ronald M. Cope 1965-3-20 s.n. Riverside Western Colorado Desert/ San Bernardino Mtns., Small canyon on W side of Whitewater Canyon Road c. 2 mi. from trout hatchery. 549 Comment
  RSA48411  Mentzelia involucrata var. megalantha E. K. Balls 1949-4-2 12896 Riverside Between Mecca and Mortmar on Hwy 111 -61 Comment
  RSA80991  Mentzelia jonesii G. R. Campbell 1952-4-5 18377 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  UCR166291  Mentzelia jonesii 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
  UCR38080  Mesembryanthemum nodiflorum O. F. Clarke 1985-5-13 s.n. Riverside San Jacinto River Valley, Gun club ponds east of Davis Road, a short distance north of Lakeview, east of the Bernasconi Hills 428 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
  RSA588974  Microseris douglasii subsp. platycarpha D. E. Bramlet 1994-4-20 2369 Riverside Shipley Reserve/SE corner of Lake Skinner Co. Park. Site is beside a large, ephemeral drainage S of the equestrian trail. It is approx 762 m SE of the park entrance road and 579m NW of East Benton Road. 518 Comment
  UCR266781  Microseris douglasii subsp. platycarpha Mitch Provance, Matt Amalong 2015-3-25 315- 27 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  CLARK-A1045-155  Microseris elegans George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool near origin of creek; Wildomar 7.5'Q Comment
  RSA648663  Microseris heterocarpa R. E. Riefner 1998-3-22 98 -184 Riverside Lake Elsinore. Elsinore Trough between Willard and Murrieta Creek. Comment
  RSA655093  Microseris heterocarpa Scott D. White 2000-4-17 7655 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  SEINET273066  Microseris heterocarpa A. C. Sanders 1997-3-26 20127 Riverside Lake Skinner area: N edge of large clay patch adjacent to the Skinner entrance road ca. 1-2 km NE of Borel Rd.side 1550 Comment
  SDSU10748  Mimulus aurantiacus D. Hunsaker 1962-4-10 Riverside 3 miles SSW from Temecula. Comment
  RSA543181  Mimulus aurantiacus var. pubescens Steve Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6120 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
  UC943873  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1894 C Riverside Indian Canyon Truck Trail Santa Ana Mts. 853 Comment
  RSA488927  Mimulus aurantiacus var. puniceus Bill Wagner 1988-4-12 s.n. Riverside Approx. 1/2 mile SW of town of Temecula, S of Rancho CaliforniaRoad and Buisness Park Drive. 335 Comment
  UC56249  Mimulus aurantiacus var. puniceus H. M. Hall 1902-4-21 2928 Riverside vicinity Riverside; Gavilan Hills 457 Comment
  JOTR16848  Mimulus bigelovii var. bigelovii Walters, Jim 1967-3-7 s.n. Riverside Joshua Tree National Park. MIDDLE WILSON CANYON Comment
  HSC86250  Mimulus brevipes Jane Hildreth 1981-6-4 28 Riverside 5 mi. S of banning along Hwy. 243, San Jacinto Mtns. 1067 Comment
  RSA408172  Mimulus brevipes N. C. Cooper 1944-5-21 1223 Riverside Hemet. 549 Comment
  RSA680402  Mimulus floribundus Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9600 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  LA209397  Mimulus guttatus W. E. Pequegnat; 1937-4-14 69 Riverside Santa Ana Mountains, Glen Ivy Trail Comment
  RSA504548  Mimulus guttatus Ed LaRue 1989-5-28 s.n. Riverside 1.5 mi. NW Estelle Mountain, off Dawson Canyon Road; 1.5 mi. E. of Arcilla and 1.5 mi. SW of Monument Peak. 396 Comment
  RSA660685  Mimulus guttatus Diane T. Liggett 1985-5-12 42 Riverside Gavilan Hills, Hartford Springs, 1.9 miles south of Cajalco Road on Galivan Road. Ten to 40 ft from road edge. Comment
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Dec 2 2014
  UCR114313  Mimulus guttatus Mitch Provance 1998-3-21 275 Riverside Jurupa Hills, Sunnyslope, Ormand Quarry. 280 Comment
  RSA0035443  Mimulus guttatus Mary Duke, Christy Hightower, Cecilia McElroy 1982-5-15 19 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi. W of Hwy 15. Comment
  JEPS89119  Mimulus palmeri Victor Duran 1932-5-18 Riverside Idyllwild; San Jacinto Mountains 1676 Comment
  UCR116961  Mimulus pilosus A. C. Sanders, T. B. Salvato 2001-5-3 24108 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR275946  Mimulus pilosus T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3787 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  SDSU8463  Mirabilis bigelovii var. retrorsa A. H. Gallup 1949-3-28 362 Riverside Palms to Pines Hwy. above Desert Center [interpreted to be Palm Desert]. On dry slopes, east slope, Colorado Desert drainage area, San Jacinto Mt. Range 762 Comment
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Jan 30 2013
  CSUSB1327  Mirabilis californica D. Gordon 1952-3-3 Riverside UCR campus 396 Comment
  UCR89855  Mirabilis californica Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3317 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
  CSUSB572  Mirabilis californica var. californica James K. Ryan 1968-5-10 Riverside 1.5 miles east of UC, Riverside. Comment
  RSA465235  Mirabilis laevis var. crassifolia Christopher Davidson 1973-4-1 1797 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  SD1506  Mirabilis laevis var. crassifolia E. Jaeger 1925-12-12 Riverside Eagle Canyon, 4.5 miles east of Palm Sprins. Comment
  SDSU12952  Mirabilis laevis var. crassifolia Jutta Buschbom 41 Riverside Comment
  UC917853  Mirabilis laevis var. crassifolia Frank W. Gould 1943-4-17 2120 Riverside 12 miles S of Corona Comment
  RSA79159  Mirabilis laevis var. retrorsa P. A. Munz 1952-5-2 16245 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  SD260077  Mirabilis laevis var. retrorsa J. Andre 2012-4-11 20786 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. Interface os steep rocky hills and large wash. 729 Comment
  RSA464818  Mirabilis laevis var. villosa I. M. Johnston 1917-4-4 13806 Riverside Mouth of Andreas Canyon. 244 Comment
  SD124695  Mirabilis laevis var. villosa A. C. Sanders, Pitzer, et al. 1986-3-3 6105 Riverside Corn Spring, Chuckwalla Mountains, wash below the spring and wash and rocky slopes to the south. 487 Comment
  SD225031  Mirabilis laevis var. villosa G. K. Helmkamp 1998-4-4 3131 Riverside Southern Mojave Desert: junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center-Rice Rd). 456 Comment
  UC1595749  Mirabilis laevis var. villosa W. Wisura, J. Dolan, and M. Wall 1992-3-25 4643 Riverside 2.1 mi w Corn spring; Chuckwalla Mts Comment
  RSA0042111  Mirabilis tenuiloba Duncan S. Bell, LeRoy Gross 2014-3-6 6191 Riverside Santa Rosa Mountains; Toro Canyon on the east side of Martinez Mountain. 259 Comment
  SD225020  Modiola caroliniana A. C. Sanders 1996-3-24 18022 Riverside Riverside: UCR campus. Weed in the lawn on the west side of campus near The Barn. 334 Comment
  CHSC22351  Mohavea confertiflora Robert A. Schlising 1973-3-31 3074 Riverside Salt Creek Wash, between Orocopia and Chocolate Mountains (ca 5 mi NE of 'crossing 24' on Coachella Canal). Comment
  POM182069  Mohavea confertiflora Philip A. Munz 1932-3-14 11985 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA444464  Mohavea confertiflora J. C. Roos 1966-3-20 s.n. Riverside Wash 2 miles SE of Desert Center Comment
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Aug 22 2011
  UCSB17614  Mohavea confertiflora Gerhart, Janet 1963-4-6 Riverside Coachella Canal; siphon #22; 5 mi S of intersection with Salt Creek Wash Comment
  UC2026403  Mollugo cerviana Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10050 Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  CAS-BOT-BC215651  Monardella australis H. M. Hall 1901-7-1 2486 Riverside Forests of Tamarack Valley, San Jacinto Mts. 2804 Comment
  RSA697846  Monardella australis J. R. Bruff 1934-7-5 s.n. Riverside [Unspecified] 2134 Comment
  LA62610  Monardella australis subsp. australis Elizabeth McClintock; 1939-9-1 sn Riverside San Jacinto Mountains, trail to Round Valley Comment
  CHSC21752  Monardella macrantha subsp. hallii Robert A. Schlising 1968-8-17 2906 Riverside On trail to San Jacinto Peak, above Marian Mt. campground. Comment
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Jul 22 2020
  UCR189570  Monardella macrantha subsp. hallii Josh Koepke 2005-7-8 001 Riverside San Jacinto Mountains, halfway between Valle Vista and Mountain Center on hwy 74, 1.8 mi north of hwy 74 near Halfway Spring 1140 Comment
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Sep 16 2008
  LA96108  Monardella nana Carl Epling; 1941-6-5 sn Riverside Santa Rosa Mountains, 1.2 mi E of Ribbonwood Camp, Pines to Palms Hwy Comment
  UC1499877  Monardella nana Elizabeth McClintock 1940-9-1 Riverside San Jacinto Mts. trail between Tahquitz Valley and Hidden Lake Comment
  RSA750279  Monardella nana subsp. arida Elizabeth McClintock, H. Lewis 1941-6-29 80 Riverside Road up Santa Rosa Mt. 5.5 miles beyond canyon where stream crosses road. Comment
  RSA750407  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 66 Riverside 0.2 miles E of Ribbonwood Camp. Pines to Palms Highway. Comment
  SEINET1910804  Monardella nana subsp. arida E. McClintock, H. Lewis 1941-1 76 Riverside Road up Santa Rosa Mt. 1/2 mile beyond canyon where stream crosses road. Comment
  UCR13959  Monardella nana subsp. arida C. M. Flanagan 1973-5-12 00405 Riverside San Jacinto Mtns, NE slopes of San Jacinto Mtns, near upper stretches of Deep Canyon 1098 Comment
  RSA282904  Monardella nana subsp. tenuiflora C. W. Tilforth 1980-7-15 2075 Riverside South of Thomas Mountain Campground along Thomas Mountain Road, south of Lake Hemet & west of Highway 74. Comment
  RSA750272  Monardella nana subsp. tenuiflora Elizabeth McClintock, H. Lewis 1941-6-22 71 Riverside 0.1 mile from fork in road going to the public camps, on the Banning-Idyllwild road. Comment
  SD67911  Monardella nana subsp. tenuiflora Reid Moran 1968-8-3 15354 Riverside Ridge 1 mile Northwest of Toro Peak, open northeast slope 2250 Comment
  UC104683  Monardella nana subsp. tenuiflora S. B. and W. F. Parish Aug, 1881 327 Riverside San Jacinto Mts. Comment
  UCR123187  Monardella robisonii A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24612 Riverside Mojave Desert, Little San Bernardino Mtns, Split Rock, Joshua Tree National Park, north of 'Ruby' VABM 4351 on west side of road 1296 Comment
  SD255660  Monolopia lanceolata Cindy Daverin 2015-3-11 Riverside Gavilan Hills, El Sobrante Landfill mitigation property/Lake Mathews-Estelle Mountain Reserve, south of Lake Mathews and of Cajalco Road, 1.3 km WNW (288a^z) of Monument Peak (Lake Mathews 7.5'Q) 442 Comment
  RSA4676  Monoptilon bellioides I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, near Palm Springs. 457 Comment
  SBBG8635  Monoptilon bellioides K. K. Muller 1953-3-22 576 Riverside Morongo Cyn, above Devil's garden Comment
  UCR30048  Monoptilon bellioides A. C. Sanders 1983-4-24 3799 Riverside Sonoran (Colorado) Desert, alluvial fan at the NW end of Orocopia Mountains along Hwy 195, c. 3 miles NE of Shavers Well and 2.7 miles NE of the point where the road enters Box Canyon 367 Comment
  SEINET10800994  Monoptilon bellioides David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2912 Riverside Hill slope by quadrat 4. Pushawalla Canyon Biota. Indio Hills. Comment
  RSA0097960  Muhlenbergia asperifolia Duncan S. Bell 2014-11-14 7713 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  UC39904  Muhlenbergia filiformis H. M. Hall June, 1901 2290 Riverside along water courses San Jacinto Mountains, vicinity of Strawberry Valley 1615 Comment
  UCR141677  Muhlenbergia microsperma June Latting 1976-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 8 miles west of Wiley's Well Road on I-10, near Ford Dry Lake 120 Comment
  CAS-BOT-BC274911  Muhlenbergia rigens W. R. Dudley 1903-12-25 s.n. Riverside Mouth of Tahquitz Creek near Palm Springs Comment
  CAS-BOT-BC274912  Muhlenbergia rigens Peter H. Raven; Sidney R. Snow 1956-6-30 9536 Riverside Dripping Springs Guard Station, Temecula River Comment
  RSA91746  Muhlenbergia rigens F. W. Peirson 1921-3-23 2373 Riverside Deep Canyon south of Coachella Valley 335 Comment
  POM13204  Muilla maritima Philip A. Munz, I. M. Johnston 1922-5-20 5465 Riverside Kenworthy, San Jacinto Mountains 1433 Comment
  UCR113565  Muilla maritima Mitch Provance 2000-4-8 2006 Riverside Jurupa Mountains, S extension of 'Rattlesnake Mt.', <100 m west of peak 1739. 518 Comment
  UCR84604  Muilla maritima Scott D. White 1994-4-21 1953 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  SD80145  Myriopteris covillei Nancy Ryan Zabriskie, Walter Zabriskie 1971-3-7 355 Riverside Andreas Canyon, ca 50 feet above stream opposite juncture with North Canyon, east slope of San Jacinto Mountains Comment
  UC1971485  Myriopteris newberryi Scott D. White 1999-5-28 7435 Riverside Ca. 3 air miles SE of jtn. Cajalco Rd. / Gavilan Rd.: East of Juniper Rd. between Blue Sky Drive and Celestial Dr. Comment
  SBBG45292  Myriopteris parryi S. B. Parish -Mar-1882 Riverside Agua Caliente [Palm Springs] Comment
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Jul 12 2010
  SD173293  Myriopteris parryi Melvin M. Sweet 2005-4-14 123 Riverside Anza-Borrego State Park; about 1.5 km NE of Middle Willows in Coyote Canyon; on hill on east side of Coyote Wash 634 Comment
  UCD138165  Najas marina Richard Yeo 1977-6-17 s.n. Riverside Canyon Lake, ca. 3.5 miles southeast of Arlington. Comment
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Dec 2 2014
  RSA346261  Nama demissa Robert F. Thorne, C. W. Tilforth, L. M. Shultz, Elbert Benjamine, J. Hogge 1980-4-16 54047 Riverside Along Whitewater River, E of bridge and levee. Comment
  RSA421102  Nama demissa M. B. Dunkle 1933-3-5 3074 Riverside Palm Springs. Colorado Desert. 152 Comment
  RSA421109  Nama demissa Martha Hilend 1928-3-9 s.n. Riverside Near White Water Bridge. Colorado Desert. Comment
  RSA517920  Nama demissa Steve Boyd, B. Roy, T. S. Elias, S. Zona, S. Meury 1986-3-5 1346 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 & Box Canyon. Comment
  POM230764  Nama demissa var. deserti I. W. Clokey 1935-4-17 6812 Riverside Cottonwood Springs. Comment
  UCR228162  Nama hispida var. spathulata Dave Silverman, Onkar Singh 2010-3-27 7856 Riverside Sonoran (Colorado) Desert, McCoy Wash, N of Palo Verde Mesa, 5.4 km WSW of Mesaville siding, west of A Canal/Levee Blvd, & c. 7.6 km N of Blythe Airport 136 Comment
  POM14413  Nassella cernua P. A. Munz 1922-7-4 5970 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  RSA741074  Nassella cernua Scott D. White, Justin M. Wood 2008-6-17 12194 Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  UC70887  Nassella cernua H. M. Hall 1902-4-26 2977 Riverside Box Springs Mt. vicinity of Riverside 685 Comment
  RSA92555  Nassella cernua J. C. Roos 1952-5-7 5621 Riverside Edgemont 488 Comment
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May 21 2011
  RSA179506  Nassella lepida E. W. Lathrop 1964-5-10 5376 Riverside 10 miles west of Murrieta. 610 Comment
  SEINET1910242  Nassella lepida Sarah De Groot 2006-1 5210 Riverside San Jacinto Mountains: Dirt road heading east from Castille Canyon Road toward Indian Creek, west of Poppet Falt. 658 Comment
  RSA681894  Navarretia atractyloides Scott D. White, Michael Honer 2003-6-17 9554 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  UCR274539  Navarretia atractyloides Mitch Provance, Ken Halama 2003-6-15 17057 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  UCR70678  Navarretia fossalis D. E. Bramlet 1991-6-1 2183 Riverside San Jacinto Valley, San Jacinto River, c. 1.6 km west of Nuevo & 100 m north of end of 13th St.; about 8 m east of the river in a swale adjacent to the levee 473 Comment
  RSA67049  Navarretia hamata Verne Grant, Alva Grant 1951-6-4 16012 Riverside 2 mi. s. of Temecula on Hwy 395 335 Comment
  UCR87628  Navarretia hamata A. C. Sanders 1994-5-30 14591 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UC718523  Navarretia hamata subsp. hamata Carl B. Wolf 1936-6-17 Riverside 1.4 mi off Ortega Highway (Tenaja Road, on road to La Cienega); Santa Ana Mts. 609 Comment
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Sep 24 2011
  RSA0026115  Nemacaulis denudata var. gracilis Jim Andre, G. L. Clifton, Ron Kelley 2013-3-21 24394 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  UCR31668  Nemacladus glanduliferus John C. Roos 1948-5-15 3851 Riverside Sonoran (Colorado) Desert, Eagle Mountains, upper Lost Palms Canyon 1037 Comment
  SEINET10464884  Nemacladus glanduliferus var. orientalis Rimo Bacigalupi, Roxana S. Ferris 1958-3-21 Bacigalupi 6252 Riverside Wash issuing from eastern slope of the Big Maria Mts., 0.25 mile above its debouchment into the Colorado River, 11.3 miles north of Blythe 171 Comment
  RSA339652  Nemacladus longiflorus var. breviflorus R. F. Thorne, C. W. Tilforth 1980-5-28 54232 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA791482  Nemacladus orientalis J. Andre, T. La Doux, R. B. Kelley 2011-5-4 21089 Riverside Joshua Tree National Park; Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1172 Comment
  UCR108838  Nemacladus ramosissimus Heidi A. Haid 1968-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR266495  Nemacladus ramosissimus Mitch Provance, Robin Kinmont 2015-3-30 315- 57 Riverside Temecula/Murrieta Region, Murrieta Hot Springs, unnamed hill about 0.5 miles W of Skunk Hollow, S of Hidden Lake Rd. 440 Comment
  PASA307  Nemacladus rigidus Frank W. Peirson 1928-4-24 Riverside Cottonwood Spring, 1/2 mile below spring in broad sandy wash Comment
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Jun 24 2016
  POM46796  Nemacladus rubescens Mary F. Spencer 1920-3-27 1498 Riverside Palm Springs. 122 Comment
  RSA522262  Nemacladus rubescens Noel Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-23 6480 Riverside At south entrance to Joshua Tree National Monument, near I-10, 24 miles east of Indio. 549 Comment
  RSA510051  Nemacladus tenuis var. aliformis B. Pitzer, S. J. Myers, J. Wilkinson 1988-2-21 604 Riverside S end of Coxcomb Mtns, 0.2 mi. N of Hwy 177 (Old Desert Center - Rice Road), 10.6 mi. NE of Desert Center. 229 Comment
  RSA0119739  Nemacladus tenuis var. aliformis Duncan Bell 2011-3-19 2062 Riverside West side of the Chuckwalla Mountains; north of Red Cloud Mine Road; approximately 1 air mile southwest of Lost Pony Mine. 599 Comment
  UC880909  Nemophila menziesii K. Watkins and E. McClintock 1937-4-9 Riverside Riverside-Hemet Road near Winchester turnoff; Riverside-Hemet Road Comment
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Mar 20 2011
  UCR116909  Nemophila menziesii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23964 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR163358  Nemophila menziesii O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  UCR225212  Nemophila menziesii T. B. Salvato, Matt Malle, Tim Searl 2011-4-19 5166 Riverside Peninsular Range; Gavilan Hills, Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15 473 Comment
  RSA523544  Nemophila menziesii var. menziesii Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4004 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SBBG35026  Nemophila spatulata T. L. Secrest 1951-5-19 Riverside San Jacinto Mtns Comment
  RSA654980  Nicotiana attenuata A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22295 Riverside San Jacinto Mtns.: Anza area, 1.1 mi. SE of Hwy 371 on Burnt Valley Rd., at northward bend in road. 1341 Comment
  UC26145  Nicotiana attenuata H. M. Hall Jun 1901 2150 Riverside borders of Colorado Desert (e base of San Jacinto Mountains); San Jacinto Mountains Comment
  UC489083  Nicotiana attenuata C. V. Meyer 1928-7-26 523 Riverside 0.5 mi e Dutch Flat; San Jacinto Mts. 1828 Comment
  UCR176697  Nicotiana glauca R. D. Goeden 1966-1-20 s.n. Riverside Riverside, UCR Campus, near reservoir 366 Comment
  UCSB41769  Nicotiana glauca Weidert, E. 1970-2-14 Riverside 1 mi N Hartford Springs, 6mi. NW Perris Comment
  RSA426707  Nicotiana obtusifolia Christopher Davidson 1979-4-4 7704 Riverside Orocopia Mts., lower end of Box Canyon on Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  UC495142  Nicotiana obtusifolia Philip A. Munz 1932-3-14 12010 Riverside Magnesia Spring Canyon; Coachella Valley 91 Comment
  RSA0018763  Nicotiana obtusifolia N. R. Zabriskie, Walter Zabriskie 1972-3-27 474 Riverside ''North Canyon'', Andreas Canyon watershed, east slope San Jacinto Mts. 366 Comment
  UCR1582  Nicotiana quadrivalvis R. L. Needham 1962-4-27 10015 Riverside Peninsular Range, 3 mi NE of Nuevo [near Lakeview] 488 Comment
  UCR270744  Nolina cismontana T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8364 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  LA22817  Nolina parryi C. B. Wolf; 1931-5-11 1949 Riverside San Jacinto Mountains, above Hemet Valley, near Pipe Creek Comment
  SD128228  Nolina parryi R. Mitchel Beauchamp 1971-5-16 2425 Riverside Santa Rosa Mts., Pinyon Flat Campgrounds 1500 Comment
  UC63871  Nolina parryi H. M. Hall May 17 1901-Jun 1 1901 1819 Riverside se base San Jacinto Mt. 1402 Comment
  SBBG267  Notholaena californica H. and M. Dearing 1942-1-10 4784 Riverside Tahquitz Cyn, near Palm Springs Comment
  SBBG45299  Notholaena californica W. Wright -Mar-1890 Riverside Agua Caliente [Palm Springs] Comment
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Jul 16 2010
  SD236421  Nuttallanthus texanus John F. Green 2006-4-25 Riverside Peninsular Ranges; Temecula, Southern California Edison right of way between residental areas, N-S corridor between S General Kearny Road and La Serena Way; E of Veterans park 366 Comment
  SEINET11177603  Ocimum gratissimum Unknown 2014-4-10 s.n. Riverside Riverside Comment
  SEINET5345712  Oenothera deltoides var. deltoides H. M. Hall 1905-1 5926 Riverside Colorado Desert, McCoy Wash 91 Comment
  RSA734943  Oenothera scapoidea J. R. Bruff 1927-3-12 s.n. Riverside Whitewater. Comment
  UC634680  Oligomeris linifolia Margaret Stason 1927-2-12 Riverside Thousand Palms Canyon; Colorado Desert, Thousand Palms Canyon Comment
  UCR241515  Oligomeris linifolia A. C. Sanders, Ann Howald 2013-2-27 40545 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  UCR252209  Oncosiphon piluliferum J. Mendoza 2011-5-13 s.n. Riverside Santa Ana River Regional Park near Louis Rubidoux Nature Center 221 Comment
  UCR26540  Opuntia littoralis A. C. Sanders, S. Hagopian 1981-5-20 2145 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  UCR68161  Opuntia parryi Marc A. Baker 1987-4-1 7025 B Riverside San Bernardino / San Jacinto Mtns., eastern edge of Banning, just north of Hwy I-10 (Fwy) 671 Comment
  CAS-BOT-BC56231  Opuntia polyacantha var. erinacea C. B. Wolf; P. C. Everett 1938-9-29 9460 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  POM288951  Opuntia vaseyi Lyman Benson, Robert Benson 1955-12-6 15623 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  RSA486902  Opuntia vaseyi Steve Boyd 1986-5-7 1839 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  CAS-BOT-BC355576  Oreostemma alpigenum var. andersonii P. A. Munz 1922-7-6 5997 Riverside San Jacinto Mts. Tahquitz Valley 2194 Comment
  UCR139141  Orobanche bulbosa John F. Green 2003-6-11 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  CAS-BOT-BC502750  Orobanche bulbosa John Thomas Howell 1931-5-30 6605 Riverside Santa Ana Mts., Santiago Peak Trail Comment
  UC27847  Orobanche californica subsp. feudgei H. M. Hall May 1899 1159 Riverside San Jacinto Mountains, Van Deventer's. Comment
  CLARK-A1528-1347  Orobanche cooperi John C. Roos 1948-5-15 3848 Riverside Eagle Mountains Comment
  UC1080462  Orobanche cooperi P. C. Everett and E. K. Balls 1958-4-29 23031 Riverside 21.9 sw of Rice (along road from Desert Center to Vidal Junction) 548 Comment
  JOTR00911  Orobanche cooperi Sipe, Frank 1958-3-9 253 Riverside Joshua Tree National Park. PINTO BASIN Comment
  RSA0070480  Orobanche cooperi subsp. cooperi Edmund C. Jaeger 1921-3-20 1056 Riverside Salton, Colorado Desert. Comment
  RSA0070485  Orobanche cooperi subsp. cooperi G. R. Campbell 1952-4-6 18420 Riverside Box Canyon, on road from Hwy 60-70 to Salton Sea. 457 Comment
  RSA0104797  Orobanche fasciculata Edmund C. Jaeger 1921-7-18 s.n. Riverside Caramba, Taquitz Creek, San Jacinto Mts. 1828 Comment
  POM184267  Orthocarpus purpurascens var. pallidus Philip A. Munz 1932-3-24 12016 Riverside Corona 366 Comment
  POM12423A  Osmorhiza berteroi P. A. Munz 1922-9-6 6371 Riverside Round Valley, San Jacinto Mountains. 2713 Comment
  SD136935  Osmorhiza brachypoda Steve Boyd 1992-4-14 6801 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. Verdugo Trail from Tenaja Trail to Bluewater Trail, upper Bluewater Cyn., S of Sitton Peak Comment
  CHSC109713  Oxalis albicans subsp. californica Scott D. White 2003-3-21 8825 Riverside Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 152 Comment
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May 28 2018
  UCR217535  Oxytheca caryophylloides Annie L. Bustamante 2008-6-23 113 Riverside Peninsular Ranges: San Jacinto Mtns, Dark Canyon, c. 300 m southwest of campground, 140 m south of dirt road Comment
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Feb 15 2017
  RSA392815A  Oxytheca trilobata F. W. Peirson 1929-7-29 5020 Riverside Banning to Idyllwild Road 1768 Comment
  CAS-BOT-BC327940  Palafoxia arida J. Von Loh 1977-10-30 3307 A Riverside Ford Dry Lake Comment
  SD247339  Palafoxia arida T. B. Salvato, R. T. Hawke, et al. 2013-3-8 7280 Riverside Sonoran (Colorado) Desert: south of Highway I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road about 1.4 kilometers west of its junction with Augustine Pass Road. 136 Comment
  RSA550017  Palafoxia arida var. arida Walter Wisura, C. Demme 1992-4-13 4680 Riverside Low desert; 4.7 mi NE of Mecca on Box Canyon Rd. Comment
  RSA6125  Palafoxia arida var. arida C. B. Wolf 1932-5-25 3684 Riverside San Gorgonio Wash, on road to Snow Creek. 366 Comment
  UC1601184  Palafoxia arida var. arida Philip A. Munz 1932-3-14 11975 Riverside Deep Canyon Coachella Valley 91 Comment
  UCR269843  Palafoxia arida var. arida A. C. Sanders, Jim Malusa 2016-3-18 42382 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  CAS-BOT-BC253749  Panicum capillare Scott D. White; Steve Ogg 1994-10-17 2489 Riverside Temecula Valley. City of Temecula, Murrieta Creek channel directly W of Cherry Street 315 Comment
  SD136952  Panicum capillare Steve Boyd 1994-10-14 8393 Riverside San Mateo Canyon Wilderness Area of the Cleveland National Forest, in canyon bottom at the confluence with Bluewater Canyon 328 Comment
  RSA0087456  Panicum dichotomiflorum subsp. dichotomiflorum Sarah J. De Groot, Amy Rouillard 2015-9-15 7568 B Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  CAS-BOT-BC253900  Panicum urvilleanum W. R. Dudley 1903-12-28 s.n. Riverside Near Palm Springs Station Comment
  POM366031  Panicum urvilleanum George R. Johnstone 1929-11-29 s.n. Riverside 20 miles from Palm Springs; 244 Comment
  SFV21858  Parkinsonia aculeata J. R. Pucci 2001-5-6 24 Riverside San Jacinto Mountains Chino Canyon. Along south side of Tramway Road, about 1.5 miles west of Highway 111. 365 Comment
  UCR93230  Parkinsonia aculeata A. C. Sanders 1994-7-27 15159 Riverside Santa Ana River, Colton and Riverside: from the Riverside Avenue (North Main Street) Bridge downstream to just above the Market Street crossing. 246 Comment
  CAS-BOT-BC293716  Parkinsonia florida Mona Bourell 1987-4-14 3271 Riverside BLM California Conservation Area, Hwy 195, spur off of Box Canyon. Near Mecca 150 Comment
  RSA0035904  Parkinsonia florida J. M. Andre 2013-3-27 24821 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  RSA0112102  Parkinsonia florida Duncan S. Bell 2009-10-9 485 Riverside Northwest of the Arica Mountains. 281 Comment
  RSA781910  Pectis papposa Duncan S. Bell 2010-5-1 898 Riverside Arica Mountains: northwest section of the project area, approximately 2 air miles south of the junction of Highway 62 and the aqueduct access road. 283 Comment
  UCR93098  Pectis papposa F. M. Reed 1929-11-6 6636 Riverside Sonoran (Colorado) Desert, mouth of Fish Trap Canyon, south of Indio 46 Comment
  JOTR16608  Pectis papposa var. papposa Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROADSIDE BETWEEN RYAN MOUNTAIN AND CAP ROCK 1310 Comment
  POM36803  Pectocarya heterocarpa P. A. Munz 1932-3-14 11993 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  UCR196380  Pectocarya heterocarpa Naomi Fraga, Lisa Rojas 2005-2-10 1423 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  RSA689370  Pectocarya linearis Scott D. White 2001-4-19 8373 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  UCR232075  Pectocarya linearis John F. Green 2008-4-24 16- 01 Riverside Peninsular Range; SE Gavilan Hills, Lake Elsinore, west of Hwy 74 453 Comment
  UCD120161  Pectocarya penicillata C. L. Hitchcock; C. V. Muhlick 1962-3-16 22142 Riverside Temescal Canyon, 8 miles southeast of Corona. Comment
  UC551795  Pectocarya peninsularis F. R. Fosberg 1932-3-13 10624 Riverside Thousand Palms Canyon Comment
  UC2015552  Pectocarya platycarpa A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 15995 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  SEINET10456238  Pectocarya platycarpa David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3723 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  HSC83070  Pectocarya recurvata A. C. Sanders, Pitzer, Charlton, Kniffen 1986-3-3 6122 Riverside Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the S 489 Comment
  UCR41526  Pectocarya recurvata A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6020 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  UCSB8771  Pectocarya recurvata Bell, David 1969-3-31 Riverside River Bend Campground; along U.S. Highway 95; 15 miles north of Blythe; Mojave Desert 152 Comment
  RSA368830  Pectocarya setosa Christopher Davidson 1973-4-19 1996 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree 1220 Comment
  SD234418  Pelargonium denticulatum T. B. Salvato 2007-10-10 3068 Riverside Upper Santa Ana River Basin/San Bernardino Valley: Riverside, residence at 1009 Bascomb Drive (Riverside East 7.5' Q) 305 Comment
  UCR261519  Pellaea andromedifolia Joseph Cahill 2011-1-8 111- 16 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  SD144514  Pellaea mucronata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19888 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road. 518 Comment
  UCR121652  Pellaea mucronata A. C. Sanders, Kent Beaman 2002-5-10 25048 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
  CAS-BOT-BC77192  Pellaea mucronata subsp. mucronata C. B. Wolf 1931-5-11 1958 Riverside San Jacinto Mts. - rocky places near Pipe Creek above Hemet Valley 1676 Comment
  JOTR33798  Pellaea mucronata var. mucronata La Doux, Tasha 2007-3-7 3323 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Pushwalla Cyn, approx 200 m beyond Pinyon Well Prospects Comment
  RSA604850  Pellaea mucronata var. mucronata Scott D. White 1995-3-30 2651 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr. 579 Comment
  RSA771629  Pellaea mucronata var. mucronata Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4995 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
  SD233251  Pennisetum setaceum Duncan S. Bell, John Anderson & Keir Morse 2012-11-11 4380 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Mecca Hills: upper branch of Hidden Spring Canyon, approx. 0.6 air mile SE of Hidden Spring and 0.6 air mile S of The Grotto. 249 Comment
  POM305715  Penstemon X parishii Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1024 Riverside Hemet-Anza, Bautista Creek Road. Comment
  UCR122741  Penstemon centranthifolius George K. Helmkamp, E. A. Helmkamp 1998-4-24 3380 Riverside Santa Rosa Mountains, Pinyon Pines along Calif. Hwy 74 between the San Jacinto and Santa Rosa Mountains 1296 Comment
  RSA97020  Penstemon centranthifolius R. M. Straw 1953-6-4 445 Riverside Head of Palm Canyon, Palms to Pines Hwy. Comment
  SEINET10964571  Penstemon centranthifolius David B. Dunn, Melvin L. Conrad; Patricia L. Kenney 1973-6-15 Dunn 20770 Riverside Collected at the jct of hwy 74 and 71. A gas station on the sw corner area Generally chapparal with shaggy adenostema. Comment
  JOTR01216  Penstemon incertus Cole, James E. 1941-6-16 916 Riverside Joshua Tree National Park. LOST HORSE VALLEY 1310 Comment
  POM11203  Penstemon labrosus Philip A. Munz 1922-7-8 6063 Riverside Head of Tahquitz Valley. 2287 Comment
  SD67908  Penstemon labrosus Reid Moran 1968-8-3 15353 Riverside open NE slope, ridge 1 mile NW of Toro Peak 2250 Comment
  RSA401809  Penstemon spectabilis Gale Sphon 1955-5-7 s.n. Riverside 3 miles W of Lake Elsinore. Comment
  UCR214300  Penstemon spectabilis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38396 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
  JEPS2776 Image available Penstemon spectabilis var. gilmanii M. French Gilman 744 Riverside San Jacinto Mts. Comment
  POM187834  Penstemon thurberi E. C. Jaeger 1931-9-18 s.n. Riverside Near Lost Horse Mine Comment
  CAS-BOT-BC330349  Pentachaeta aurea H. M. Hall 1899-5-1 s.n. Riverside San Jacinto Mountains 1524 Comment
  SD187297  Pentagramma triangularis Scott D. White, Angelia Carey 2004-4-16 10180 Riverside San Jacinto Mountain foothills; Indian Creek and adjacent slopes. 548 Comment
  IRVC3159  Pentagramma triangularis subsp. triangularis R. H. Whittaker, W. A. Niering 1963-5-28 SJ 32 Riverside Mountain Center, Hemet Hwy. San Jacinto Mountains 976 Comment
  SEINET3873568  Pentagramma triangularis subsp. triangularis Lewis S. Rose 1966-12-14 66109 Riverside Chino Canyon, 3 mi. west of Palm Springs.; 0 671 Comment
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Apr 6 2018
  CAS-BOT-BC77485  Peritoma arborea var. angustata F. H. Billings 1926-2-6 18 Riverside Desert near Palm Springs Comment
  HSC29904  Perityle emoryi Richard Spjut 1972-2-1 2169 Riverside Colorado Desert: N base of Chuckawalla Mtns., ca. 3 mi. S of Desert Center 305 Comment
  JOTR35061  Perityle emoryi La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3513 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  JOTR35384  Perityle emoryi Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 172 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  UC306393  Perityle emoryi Ivan Johnston 1917-4-4 Riverside Palm Canyon Colorado Desert Comment
  UCR37636  Perityle emoryi George K. Helmkamp 1984-5-2 D- 5 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  CAS-BOT-BC167769  Petalonyx thurberi Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater Comment
  JEPS41230  Petalonyx thurberi F. M. Reed 1917-5-19 3838 Riverside Mesa Sancta of Palm Springs village; Colorado Desert, Mesa Sancta Comment
  SEINET3094522 Image available Petalonyx thurberi E. R. Blakley 1952-8-17 B- 1556 Riverside Shavers Summit. Comment
  POM264161  Petunia parviflora J. C. Roos 1937-6-7 498 Riverside South of Sage. Comment
  RSA796452  Peucephyllum schottii Duncan S. Bell 2009-4-18 226 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  UCSB37917  Peucephyllum schottii Roos, John 1966-2-5 Riverside Pushawalla Wash near 1000 Palms, Indio Hills Comment
  RSA0106811  Phacelia Mitch Provance 2012-5-24 512 -27 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 869 Comment
  NY1058215  Phacelia ambigua N. H. Holmgren 1974-3-23 7464 Riverside Box Canyon wash, 11.4 (9 airline) miles east-northeast of Mecca 244 Comment
  RSA525296  Phacelia ambigua Walter Wisura 1991-4-28 4487 Riverside Frontage Road off I10 near pump station in Pinkham Wash area. Comment
  JEPS1548  Phacelia brachyloba Carl V. Meyer 1929-6-18 779 Riverside s Thomas Mt. (summit of grade); San Jacinto Mts., Hamilton Grade Comment
  POM122680  Phacelia brachyloba Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  POM3749  Phacelia campanularia H. M. Hall 1902-04 2818 Riverside Coyote Canyon 183 Comment
  UCR178529  Phacelia campanularia R. G. Swinney 1967-2-12 0029 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  RSA0120323  Phacelia campanularia subsp. campanularia Duncan S. Bell 2016-3-13 8923 Riverside Whitewater Canyon; in the vicinity of Painted Hill, approximately 2.5 air miles southeast of the Ranger Station (trout pond). 613 Comment
  UC791036  Phacelia campanularia subsp. vasiformis Carroll E. Wood Jr. and Thomas Morley 1949-5-1 7624 Riverside sw-facing slope at Key's View Joshua Tree National Monument, Little San Bernardino Mountai (mts. above Coachella Valley) Comment
  CLARK-A1528-554  Phacelia cicutaria Fred B. Essig 1964-3-14 23 Riverside Arlington 670 Comment
  UCR102916  Phacelia cicutaria var. hispida George K. Helmkamp 1998-4-3 3090 Riverside Coachella Valley, Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging staion along the creek 747 Comment
  UCR121091  Phacelia cicutaria var. hispida A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24977 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR180136  Phacelia cicutaria var. hispida Mitch Provance 2003-4-26 9886 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
  RSA593692  Phacelia ciliata Steve Boyd, D. Bramlet 1996-4-19 8634 Riverside San Jacinto Valley, San Jacinto Wildlife Refuge at southwestern edge of Mystic Lake in the San Jacinto River floodplain, N of ''Marsh A'', NE of the refuge headquarters. 433 Comment
  UCR123602  Phacelia ciliata D. E. Bramlet 2000-5-9 3024 Riverside San Jacinto River; the site is 457m south of San Jacinto Avenue and 1.1 km north of Ellis Ave and just west of the river Comment
  CSUSB136  Phacelia crenulata var. ambigua D. T. Wright 1966-3-5 Riverside 2 miles south of Palm Desert, at mouth of Deep Canyon. Comment
  JEPS2239  Phacelia crenulata var. ambigua Marjorie D. Clary 1932-3-15 1605 Riverside 12 mi sw Indio (foot of mts.); Colorado Desert, Santa Rosa Mts. 91 Comment
  JEPS2305  Phacelia crenulata var. ambigua W. L. Jepson 1927-4-12 11648 Riverside Mecca Painted Canyon 76 Comment
  SEINET3091710 Image available Phacelia crenulata var. ambigua G. Helmkamp, E. Helmkamp 1998-1-17 2541 Riverside Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal. 0 Comment
  UC1602158  Phacelia crenulata var. ambigua Philip A. Munz 1932-3-14 11974 Riverside Deep Canyon Coachella Valley 91 Comment
  UC974993  Phacelia crenulata var. ambigua Rimo Bacigalupi and J. F. MacBride 1952-4-1 3598 Riverside 3 1/2 mi e Coachella Comment
  SDSU6595  Phacelia crenulata var. minutiflora Joanie M. Wojtan, Bio 596 class. 1992-4-5 5 IV92B Riverside Collected next to Box Canyon Road, ca. 6.7 northeast of Hwy. 111. 480 Comment
  RSA315551  Phacelia cryptantha Robert F. Thorne, Mrs. Raymond Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55464 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  UC666575  Phacelia cryptantha Harlan Lewis 1942-5-3 1604 Riverside burn 1 mi w Pinyon Flats (Calif. Hiway 74) Comment
  UC667340  Phacelia cryptantha Annie M. Alexander and Louise Kellogg 1941-4-27 2098 Riverside Joshua Tree National Monument Joshua Tree National Monument (Riverside and San Bernardino Cos.) 1310 Comment
  JOTR34227  Phacelia curvipes La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2012-5-12 3080 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ridgeline just south of Quail Mountain peak with steep loose slopes and rocky outcrops (Stop 6) Comment
  UCR169392  Phacelia curvipes T. B. Salvato, John F. Green 2004-5-27 595 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
  POM6743  Phacelia distans P. A. Munz, Street, Williams 1919-3-28 2366 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  POM159824  Phacelia fremontii E. C. Jaeger 1926-3-26 s.n. Riverside Quail Springs, Little San Bernardino Mts Comment
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Jun 30 2012
  RSA0106639  Phacelia ivesiana Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4774 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 5.5 air miles southeast of the ghost town or Rice or approximately 4.75 air miles east of Priests Well. 208 Comment
  UCSB5417  Phacelia minor Nowell, J. 1958-5-17 Riverside 7 mi. from Banning on Banning-Idyllwild Road Comment
  UCSB9327  Phacelia minor Lloyd, Robert 1960-3-23 Riverside 2 miles up Snow Canyon Road from State Rd. 111; San Jacinto Mt. Range; Colorado Desert drainage area 609 Comment
  POM97121  Phacelia minor P. A. Munz 1925-5-20 9820 Riverside 2 miles W of Dripping Spring. 427 Comment
  UC24422  Phacelia mutabilis H. M. Hall 1901-7 2480 Riverside Tamarack Valley San Jacinto Mountains 2804 Comment
  UC666584  Phacelia ramosissima var. latifolia Harlan Lewis and Carl Epling 1942-5-2 1600 Riverside near Palm Springs; Andreas Canyon Comment
  UCR123223  Phacelia stellaris O. F. Clarke, Helga Forster 2000-1 s.n. Riverside San Bernardino Valley region, Riverside, west side of Santa Ana River opposite the south end of Mt. Rubidoux, SE of Flabob Airport, south of bend in Crestmore Rd. and 2 mi. south of Mission Blvd., east of Co. Parks Hqtrs. 229 Comment
  UC1040771  Phalaris aquatica L. Reese 1956-5-29 10 Riverside San Jacinto Valley 475 Comment
  UCR97271  Phalaris lemmonii Scott D. White 1993-4-25 1272 Riverside Peninsular Range; Perris-Aguanga Basin Region, Vernal Pool ('Bramlet's') on California Ave. between intersection of Stetson and RR crossing 450 Comment
  UCR155813  Phalaris minor 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
  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
  SEINET10516949  Phleum alpinum David B. Dunn 1946-8-17 Dunn 2680 Riverside Grass near stream at camp in Taquity valley damp meadow area. San Jacinto Mountains. 2438 Comment
  POM2149  Phoradendron californicum I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 229 Comment
  RSA132803  Phoradendron californicum Del Wiens 1955-10-17 960 Riverside Palms to Pines highway between Palm Springs and Keen Camp, State Hgwy 74.Colorado Desert Vegetation Type.Parasitic on Dalea spinosa. Comment
  UCR6522  Phoradendron densum O. F. Clarke 1966-10-15 661015- 2 Riverside San Jacinto/Santa Rosa Mtns., end of Big Horn Rd. 915 Comment
  RSA552719  Phoradendron macrophyllum Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-26 6689 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UC1979619  Phoradendron macrophyllum D. L. Banks, Steve Boyd 1995-10-17 0823 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Dripping Springs Campground, campsite #9. Disturbed area around the campsite and campground roadway. Comment
  CAS-BOT-BC171148  Phoradendron serotinum subsp. tomentosum A. C. Sanders; S. D. Boyd; Mitch Provance; J. Ross 1998-10-25 22285 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi NW of Hwy 371 junction to Anza 1441 Comment
  RSA296146  Phoradendron villosum Barry A. Prigge 1980-8-18 3973 Riverside San Bernardino Mountains, Whitewater Canyon; 3.5 miles upstream from trout farm. 991 Comment
  RSA600564  Phoradendron villosum Louis C. Wheeler 1962-7-27 8176 Riverside Santa Ana Mountains. Headwaters of San Juan Creek. Comment
  JOTR36018  Physalis crassifolia Harding, Mitzi, T. Herskovits 2012-3-16 225 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  RSA423188  Physalis crassifolia Anstruther Davidson s.n. Riverside Palm Springs. Comment
  RSA788987  Physalis crassifolia Aaron C. Sedgwick, David Fraker 2012-3-28 18 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  SDSU13904  Pickeringia montana var. tomentosa Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2157 Riverside Santa Margarita Ecological Reserve (SDSU), just south of east-west draw, north of El Valle complex. 646 Comment
  SDSU21794  Pilularia americana Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3985 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  RSA263775  Pinus attenuata R. Weatherby 1950-5-11 1373 Riverside Hagador Canyon, Santa Ana Mountains. 793 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
  RSA5248  Pinus contorta var. murrayana C. B. Wolf 1932-8-5 3984 Riverside Rocks at summit of San Jacinto Peak 3294 Comment
  RSA78321  Pinus lambertiana Philip A. Munz, E. K. Balls 1952-8-21 17978 Riverside Santa Rosa Spring, Santa Rosa Mts. 2134 Comment
  UCSB131  Pinus ponderosa Bobkowski, Jr., Vincent 1960-5-15 Riverside 5.2 miles northwest of Idyllwild on road to banning, San Bernardino National Forest, San Jacinto Mountains Comment
  NY42732  Pinus quadrifolia J. B. Walker 1995-3-28 1289 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA86362  Pinus quadrifolia F. W. Peirson 1922-5-20 3059 Riverside Hemet Valley, San Jacinto Mts. 1494 Comment
  UCR145964  Piptatherum miliaceum June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  CLARK-A1528-5814  Pityrogramma triangularis John C. Roos 1952-2-29 5362 Riverside Box Springs Mountains 457 Comment
  UCR90960  Pityrogramma triangularis var. triangularis Scott D. White 1996-3-16 3832 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  RSA715329  Plagiobothrys canescens John Green 2006-4-18 s.n. Riverside NE of Murrieta, just S of Los Alamos Rd. (Clinton Keith Rd.), on E and W sides of Liberty Rd. border between City of Murietta and unincorporated French Valley. 415 Comment
  SEINET7063135  Plagiobothrys canescens A. G. Vestal 1963-3-26 s.n. Riverside Near Wood Canyon ?, Banning. UTM Zone 11, 511375mE, 3751508mN. (WGS84/NAD83). 701 Comment
  UCR171904  Plagiobothrys canescens John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  UCR225510  Plagiobothrys canescens A. C. Sanders 2011-3-29 38861 Riverside Peninsular Range; Perris-Aguanga Basin Region, hills between Sun City and Perris, low hilltop along powerline corridor c. 1/2 mile west of Goetz Rd., west of Alabaster Loop, above the San Jacinto River upstream of Railroad Canyon Lake 451 Comment
  UCR25421  Plagiobothrys canescens John C. Roos 1952-4-16 5559 Riverside Box Springs Mountains, Pigeon Pass 457 Comment
  UCR174437  Plagiobothrys collinus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32483 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA522714  Plagiobothrys collinus var. californicus Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3900 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA674550  Plagiobothrys collinus var. californicus Scott D. White 2000-5-1 7751 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  UC1605426  Plagiobothrys collinus var. fulvescens Steve Boyd 1986-4-2 1594 Riverside Harford Springs County Park Gavilan Hills, Gavilan Hills, Harford Springs County Park 609 Comment
  UCR265816  Plagiobothrys collinus var. fulvescens Mitch Provance 2012-5-24 512- 06 A Riverside San Gorgonio Pass, Banning, near its border with Beaumont, Smith Creek Wash vicinity, E of Highland Springs Rd., both N and S of W Wilson St. 784 Comment
  UCR114308  Plagiobothrys collinus var. gracilis Julie A. Greene 1993-4-10 1138 B Riverside San Jacinto Wildlife Area 476 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
  UCR162821  Plagiobothrys nothofulvus Jeri Hirshberg 1989-3-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta; small mesa SW of Mesa de Burro 579 Comment
  UCR58499  Plagiobothrys nothofulvus Jeri Hirshberg 1989-4-19 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., south of town of Murrieta, west of Mesa de Burro 610 Comment
  UCR97680  Plagiobothrys nothofulvus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19911 Riverside Lake Skinner area, ridgetop (2283 foot ridge) on north side of valley in hills east of Rawson Canyon, 1 mile south of Crown Valley. 671 Comment
  UC1931224  Plagiobothrys tenellus Scott D. White, Justin Wood 2008-6-18 12242 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of Hwy 79. Comment
  RSA612953  Plantago erecta D. L. Banks 1997-3-29 1622 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  UCR115936  Plantago erecta Mitch Provance 1998-4-7 1779 Riverside Pedley Hills, E side of Camino Real, c. 0.5 miles south of Jurupa Road, in the areas of Pedley/Glen Avon 396 Comment
  UCR128138  Plantago erecta G. R. Ballmer 1996-4-10 s.n. Riverside Skunk Hollow, 6 mi. east of Murrieta, on W side of Pouroy Road 457 Comment
  JEPS7192  Plantago ovata S. B. Parish 1913-2-7 8446 Riverside Mecca Salton Basin -60 Comment
  RSA770450  Plantago ovata Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4562 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA781617  Plantago ovata Duncan S. Bell 2009-3-8 85 Riverside Arica Mountains: collecting on the mountains ridgeline at the northern part of mountain range approximately 2.7 air miles northwest of Priest Well. 565 Comment
  UCR1355  Plantago ovata Frank C. Vasek 1960-3-24 600324- 19 Riverside Western Colorado Desert, Deep Canyon, Palm Desert [Palm Springs Museum's Deep Canyon Sanctuary] Comment
  UCR20763  Plantago ovata A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1327 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  RSA659485  Plantago ovata var. fastigiata J. C. Roos 1966-3-20 s.n. Riverside 2 miles SE of Desert Center. Comment
Read comments
Dec 17 2011
  UCR199718  Plantago patagonica Scott D. White 2008-4-28 11915 Riverside San Gorgonio Pass, Banning, south of Hwy I-10 and just north of San Jacinto Mountains toe slope. East of Sunset Avenue 701 Comment
  CAS-BOT-BC93212  Platanus racemosa Carl B. Wolf 1932-5-24 3647 Riverside Snow Creek Canyon, 0.5 mile below the fish hatchery, north base of San Jacinto Mountain. 548 Comment
  LA206295  Platystemon californicus A. L. Haines; L. Erickson 1937-4-9 sn Riverside Hemet road near Winchester turnoff Comment
  RSA585733  Plectritis ciliosa subsp. insignis D. L. Banks, Steve D. Boyd 1995-5-9 388 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
  RSA27805  Pleuraphis rigida C. L. Hitchcock 1940-4-3 5934 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  RSA700971  Pleurocoronis pluriseta Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11218 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  POM98792  Pluchea odorata P. A. Munz 1926-1-31 9980 Riverside Dos Palmos [Palmas] Spring. Comment
  RSA0117145  Pluchea sericea Mitchell Provance 2012-9-5 912 -12 Riverside Beaumont Plateau: City of Beaumont, lower reaches of Potrero Creek, adjacent to Four Seasons Development, west side of Highland Springs Ave., 1.1 miles south of the I-10 freeway. 762 Comment
  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
  UC39613  Poa bolanderi H. M. Hall 1901-7 2594 Riverside Tamarack Valley; San Jacinto Mts 2804 Comment
  CAS-BOT-BC246625  Poa howellii H. M. Hall 1901-8-1 2594 Riverside San Jacinto Mountains. In Tamarack Valley 2804 Comment
  UCD91844  Poa pratensis Alan A. Beetle 1946-6-10 4403 Riverside San Jacinto Mountain, Camp Keene Meadow. Comment
  RSA179487  Poa secunda E. W. Lathrop 1965-4-11 5649 a Riverside 10 mi. W. of Murrieta Comment
  UCR113047  Poa secunda Mitch Provance, Seychelle Provance 1998-3-3 136 Riverside Riverside, top of North Hill, along the S edge of Lake Evans 960 Comment
  UCR227590  Poa secunda Duncan S. Bell, Valentin Arvizu 2010-5-24 1109 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 3.4 air mi southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1385 Comment
  UCR23303  Poa secunda John C. Roos 1952-4-2 5453 Riverside Edgemont, near Box Springs 488 Comment
  UCR98342  Poa secunda A. C. Sanders, G. Helmkamp 1997-3-15 19946 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  UC70983  Poa secunda subsp. secunda H. M. Hall April 1903 3785 Riverside vicinity of Riverside 365 Comment
  UCR138612  Polygala cornuta var. fishiae D. L. Banks 1996-11-7 1188 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, c. 200 m NW of the spring on the N fork of Pechanga Creek, at the E end of the Reservation 457 Comment
  UCR189801  Polygala cornuta var. fishiae Amy Rowland 2007-5-8 067 Riverside Peninsular Range, Santa Ana Mountains Region, Tin Mine Canyon c. 4 mi southwest of city of Corona, in drainage near Tin Mine trail 427 Comment
  SBBG61496  Polygonum douglasii R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
  RSA522722  Polygonum lapathifolium Steve Boyd, Tim S. Ross 1989-8-28 3813 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UCR178352  Polypodium californicum Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1061 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  SEINET10602413  Polypogon interruptus Hall 1900-5-29 Hall 1384 Riverside Comment
  UCR199630  Polypogon monspeliensis Scott D. White 2004-4-26 10252 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  IRVC160  Polystichum imbricans subsp. curtum R. H. Whittaker, W. A. Niering 1963-6-6 SJ 225 Riverside San Jacinto Ridge Road (5509) N Fork San Jacinto River. Peninsular Ranges, San Jacinto Mountains 1311 Comment
  POM49459  Populus X parryi M. French Gilman 1924-07 s.n. Riverside Side canyon of Snow Canyon. 610 Comment
  SEINET10538904  Populus fremontii David B. Dunn, A. Folsom 1948-6-17 Dunn 3812 Riverside By quad one. At camp in pushawalla canyon under palms. Comment
  CAS-BOT-BC356169  Porophyllum gracile Annie M. Alexander; Louise Kellogg 1941-5-9 2141 Riverside Colorado Desert. Cottonwood Spring, Eagle Mountains 883 Comment
  UC1511365  Porophyllum gracile James Eckenwalder 1976-10-25 1282 Riverside near Cottonwood Springs; Joshua Tree National Monument Comment
  UC1023391  Portulaca halimoides John and Lucille Roos 1952-10-18 5900 Riverside Little San Bernardino Mountains, Hidden Valley Campground Hidden Valley Campground; Little San Bernardino Mountains, Hidden Valley Campground 1219 Comment
  UC213651  Potamogeton crispus S. B. Parish 1919-4-19 19248 Riverside Santa Ana River near Corona; Santa Ana River Comment
  UCR59660  Potamogeton pusillus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3542 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  RSA802090  Potentilla glandulosa Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4989 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  SEINET9291376  Potentilla glandulosa Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  UC1931084  Potentilla gracilis var. fastigiata Scott D. White, Justin Wood 2008-6-19 12280 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  RSA776291  Prenanthella exigua Duncan S. Bell, Amanda Turek 2010-4-10 832 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  SFV3474  Proboscidea althaeifolia G. E. L. Rowntree, H. Dearing 1825, M. Dearing 1937-11-4 s. n. Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash near Corn Springs. Between Desert Center and Blythe. 490 Comment
  SEINET10490432  Prosopis glandulosa var. glandulosa David B. Dunn 1948-2-21 Dunn 3663 Riverside PUshawalla; a rain about 2 weeks earlier in wash. Hills still quite dry. Comment
  POM348749  Prosopis glandulosa var. torreyana Geo. Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea. Comment
  SD72238  Prunus ilicifolia R. S. Woglum 1934-3-18 631 Riverside Snow Creek, north slope Mt. San Jacinto Comment
  UCR22038  Prunus ilicifolia Steve Boyd 1980-6-4 316 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR265838  Prunus ilicifolia Mitch Provance 2012-5-24 512- 21 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
  SDSU13933  Prunus ilicifolia subsp. ilicifolia Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2142 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  POM6913  Psathyrotes ramosissima P. A. Munz, Williams, Street 1919-3-28 2382 Riverside Between Palm Springs & Indio 183 Comment
  RSA472320  Psathyrotes ramosissima J. W. Jamie 1906-4-1 1456 Riverside Mecca Comment
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Nov 30 2009
  SD255106  Pseudognaphalium biolettii Duncan S. Bell 2015-9-30 8669 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  UCR117085  Pseudognaphalium biolettii A. C. Sanders, T. B. Salvato 2001-5-16 24302 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  SD137887  Pseudognaphalium californicum Darin L. Banks, Steve Boyd 1995-4-5 158 Riverside Cleveland NationaL Forest, Agua Tibia Wilderness Area, North slope of Agua Tibia Mountain, east of Dripping Springs Alcove, east of trail 550 Comment
  SD140193  Pseudognaphalium californicum Scott White 1993-3-15 1191 Riverside Elsinore: Highway 74, just west of northwest corner of Lake Elsinore. Alluvial wash in Dickey Canyon. Comment
  UC1719666  Pseudognaphalium luteoalbum Steve Boyd, Aydee Virgen 2004-4-13 10865 Riverside Peninsular Ranges; Santa Ana Mountains region; San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  CAS-BOT-BC346361  Psorothamnus Marcus E. A M Jones 1906-4-19 s.n. Riverside Cholla Ranch 609 Comment
  CAS-BOT-BC346362  Psorothamnus Marcus E. A M Jones 1925-9-7 s.n. Riverside Palm Spring Comment
  JEPS41716  Psorothamnus arborescens var. simplicifolius W. L. Jepson 1914-5-17 5982 Riverside Summit of Cottonwood Mountains = Lookout Mountain!; Mohave Desert 1219 Comment
  UCR123759  Psorothamnus arborescens var. simplicifolius Steven R. Hill 2001-4-29 33546 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  LA205192  Psorothamnus emoryi Louis Wheeler; 1931-11-26 392 Riverside Salton Sea 2 mi. SE Salton Bench Mark -67 Comment
  POM128971  Psorothamnus emoryi E. E. Schellenger 10 Riverside Colorado Desert. Santa Marie Mts. [Little or Big Maria Mountains] Comment
  POM8994  Psorothamnus emoryi Mary F. Spencer 1918-4-27 767 Riverside In desert sand, Palm Springs, Colorado Desert Comment
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Jul 24 2010
  SFV21860  Psorothamnus emoryi J. R. Pucci 2001-5-12 25 Riverside San Jacinto Mountains Chino Canyon. Along abandoned road off north side of Tramway Road, 2 miles west of Highway 111. 425 Comment
  SJSU4441  Psorothamnus emoryi C. K. Schroen 1964-3-24 26 Riverside by Hwy 99 midway between Oasis & Coolidge Springs 60 Comment
  CAS-BOT-BC340874  Psorothamnus schottii Milo S. Baker 1928-4-3 2797 b Riverside Palm Canon [Canyon] Road to Palm Sps. Comment
  CAS-BOT-BC340891  Psorothamnus schottii K. Bonner 1977-10-28 2572 Riverside 1 mi. S. of Buried Mtn. Comment
  CAS-BOT-BC340892  Psorothamnus schottii M. McCollum 1976-6-1 2030 Riverside 8 mi SSW of Yucca Valley Comment
  RSA788556  Psorothamnus schottii Duncan S. Bell 2012-3-8 3148 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  UCD159769  Psorothamnus schottii Duncan S. Bell 2013-1-30 4440 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
  UCD166274  Psorothamnus schottii Jack Major 1962-4-17 788 Riverside On CA HWY 74 from Pinyon Flat to Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 435 Comment
  UCR120973  Psorothamnus schottii Jennie Phui 1998-6-3 306 Riverside Western Colorado Desert/San Jacinto Mtns., NW of Palm Springs, base of Mt. San Jacinto in Chino Cyn., 1.5 mi. above Hwy 111 on road to tram 520 Comment
  UCSB9704  Psorothamnus schottii Krogen, Roger 1957-1 Riverside Along roadside of Hwy. 195, 10 mi. E of Mecca Comment
  POM295543  Psorothamnus schottii Lyman D. Benson 1979-3-28 13575 Riverside Was at E end of PInes to Palms Hwy just above junction of palm springs- indio road. 305 Comment
  CAS-BOT-BC340947  Psorothamnus spinosus G. P. Rixford 1911-4-1 s.n. Riverside 10 miles S.E. of Mecca Comment
  RSA404277  Psorothamnus spinosus Anstruther Davidson 1928-5-1 s.n. Riverside Colorado Desert. Comment
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Feb 11 2014
  SBBG68033  Psorothamnus spinosus M. Van Rensselaer 1945-11-18 1919 Riverside S of Cathedral City Comment
  SEINET13373578 Image available Psorothamnus spinosus Leila M. Shultz, John S. Shultz 1985-1 8281 Riverside Gravel benches on north side of the Chuckawalla Mountains 183 Comment
  UC63824  Pterospora andromedea H. M. Hall 1901-6 2467 Riverside Tauquitz Valley San Jacinto Mountains 2438 Comment
  UCR35110  Pterospora andromedea L. B. Ziegler 1970-6-28 409 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon) 1677 Comment
  CHSC101907  Pterostegia drymarioides Steve Boyd; Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10456 Riverside Peninsular Ranges, San Jacinto Mountains/Colorado Desert: east side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA747566  Pterostegia drymarioides Michael Honer 2003-4-16 1825 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak '2349' 640 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
  UCR112974  Pterostegia drymarioides B. G. Pitzer, T. Tennant 1998-2-21 3542 Riverside Sonoran (Colorado) Desert, S-facing fan on north side of Hayfield Lake, along road to pumping plant. 427 Comment
  UCSB18179  Purshia tridentata var. glandulosa Black, Richard 1964-5-10 Riverside State Highway 74, 8 miles S of Pinyon Flats Campground 929 Comment
  UCSC000553  Pyrola picta I. J. Condit 2010-6-22 s.n. Riverside San Jacinto Mts. 2438 Comment
  RSA0042976  Quercus Jeremiah George 2012-8-13 s.n. Riverside west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end 716 Comment
  UCR278376  Quercus Mitch Provance 2012-9-5 912- 09 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., about 100 yards south of intersection with Breckenridge Ave. 755 Comment
  UCR262388  Quercus X morehus Tom Scott 2011-1 s.n. Riverside San Bernardino Mtns., south side of mountains in Banning Canyon on USFS road 2S01 1495 Comment
  CAS-BOT-BC61821  Quercus agrifolia B. Trowbridge 1979-4-13 6074 Riverside ca. 5 miles west of Temecula off Hwy. 71 457 Comment
  RSA600566  Quercus agrifolia Louis C. Wheeler 1962-7-26 8181 Riverside Temescal Valley. Comment
  SD193294  Quercus agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31559 Riverside Valley Hi County Park off Highway 243 and Twin Pines road at McMullen Flat. 1189 Comment
  SEINET13953018 Image available Quercus agrifolia Scott D. White 1996-1 3874 Riverside Elsinore Basin, Bundy Cyn, SE of Lk Elsinore, about 1 road mi (+/- .2 mi) E of Bundy Cyn Rd exit from I-15 Freeway; USGS Lake Elsinore 1.5' topo map) S of road along mapped intermittent blueline stream [Quercus agrifolia riparian woodland, w/ Salix laevigata, plntanus racemosa] and adjacent N and W facing slopes 451 Comment
  RSA621889  Quercus berberidifolia Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3068 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  SEINET13297596 Image available Quercus berberidifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-1 8349 Riverside Santa Ana Mountains: unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway (Corona South 7.5' Q.) 424 Comment
  UCR249998  Quercus berberidifolia Jeremiah George 2012-8-8 080812- 01 Riverside Moreno Badlands, San Timoteo Canyon, south of El Casco So. Calif. Edison substation, west side of San Timoteo Creek, west of dirt SCE line access road 655 Comment
  POM122373  Quercus chrysolepis Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  UCD45794  Quercus dumosa Steve Boyd 1987-11-23 2097 Riverside Mt. Russel, N. of Lake Perris, Moreno Valley. Elev. 2500 feet. 762 Comment
  IRVC14033  Quercus dumosa L. T. McHarque 1965-8-24 s.n. Riverside Comment
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Jun 23 2013
  UCR280969  Quercus engelmannii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 32 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  POM14981  Quercus kelloggii Mary F. Spencer 1922-7-3 666 Riverside Fern Valley Prope [near] Idyllwild, San Jacinto Mt. 1829 Comment
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May 1 2011
  JEPS98072  Quercus palmeri D. Wilken with E. Painter 2000-11-4 15870 Riverside State Hwy. 74. E of jct. with State Highway 71, near old Santa Rosa Summit, at trailhead to Pacific Crest Trail San Jacinto Mountains 1600 Comment
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May 30 2008
  UCD83689  Quercus palmeri Louis B. Ziegler 1969-10-12 s.n. Riverside Hemet Valley, San Jacinto Mountains, near the Kenworthy Ranger Station. 1417 Comment
  RSA750596  Quercus turbinella subsp. turbinella K. M. Meyer, A. Townesmith, T. Scott 2007-3-19 23 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinyon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  CAS-BOT-BC104995  Quercus wislizeni Louis C. Wheeler 1931-10-3 s.n. Riverside Strawberry Valley, Mt. San Jacinto Comment
  RSA125969  Quercus wislizeni var. frutescens E. K. Balls, P. C. Everett 1957-11-4 22749 Riverside Snow Creek near old Fish Hatchery, north base San Jacinto Mountains. 701 Comment
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Jun 13 2008
  RSA702743  Rafinesquia californica Scott D. White, Michael Honer 2004-4-6 10038 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  POM159819  Rafinesquia neomexicana E. C. Jaeger 1926-3-24 9578 Riverside Pinto Valley, Colorado Desert Comment
  UCR166548  Rafinesquia neomexicana Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10884 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR136277  Ranunculus californicus A. C. Sanders 2004-4-20 27558 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR207255  Ranunculus muricatus O. F. Clarke 2002-5-25 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR23232  Raphanus sativus Melody Lardner 1981-5-19 184 Riverside Santa Ana Mtns, Main Street Canyon, 3.5 mi. south of Hwy 91 at the end of Main Street. 427 Comment
  UCR140660  Rhamnus californica subsp. tomentella Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 12- 86 Riverside San Jacinto Mtns, San Bernardino National Forest, 10 miles north of Idyllwild on Hwy 243 near Lake Fulmor, Site L12 1637 Comment
  UCR91600  Rhamnus crocea D. L. Banks, Steve Boyd 1995-3-15 0058 Riverside NW Palomar Mtns, Agua Tibia Wilderness Area, N face of Agua Tibia Mtns., Dorland Mtn. area 738 Comment
  PASA1596  Rhododendron occidentale Sally Ellis 1939-6-24 Riverside Halona Comment
  RSA543126  Rhus integrifolia Steve Boyd 1991-3-17 5472 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
  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
  RSA2102  Rhus ovata Ernest Braunton 1929-3-3 1026 Riverside Morongo Pass. 152 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
  RSA648294  Rhus ovata Mark Hotchkiss 1977-4-23 s.n. Riverside Approx. 5 mi. S. of Baning on R 1. 914 Comment
  CAS-BOT-BC173131  Ribes indecorum A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19905 Riverside Lake Skinner area: upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  CAS-BOT-BC173132  Ribes indecorum Clarence R. Quick 1939-11-22 s.n. Riverside At Temecula Comment
  CLARK-A1528-4130  Ribes indecorum John C. Roos 1952-2-29 5360 Riverside Box Springs Mountains 487 Comment
  SEINET235604 Image available Ribes indecorum A. C. Sanders 1997-4-10 20327 Riverside Tucalota Hills E of Lake Skinner (Bachelor Mtn. Quad) 600 Comment
  UCR122457  Ribes indecorum Scott D. White 1993-3-15 1195 Riverside Peninsular Range, Elsinore, Hwy 74, just west of NW corner of Lake Elsinore. Dickey Canyon. Comment
  UCR278098  Ribes indecorum A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42672 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
  UCR82800  Ribes indecorum A. C. Sanders, O. F. Clarke, M. Alexander 1994-1-1 14226 A Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  UC11635  Ribes nevadense H. M. Hall July, 1901 2423 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1524 Comment
  RSA557888  Ribes speciosum Steve Boyd, Orlando Mistretta 1992-4-22 7011 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  RSA446204  Romneya coulteri Gale Sphon 1955-3-7 s.n. Riverside 3 miles east of Lake Elsinore. Comment
  SD51945  Rumex californicus Reid Moran 1962-7-7 9861 Riverside By Strawberry Creek, 2 miles SW of Idyllwild, San Jacinto Mts. 1550 Comment
  UCR40266  Rumex conglomeratus Steve Boyd 1985-7-23 1005 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 5.5 mi west of Rancho California 396 Comment
  UC452559  Rumex crispus S. B. Parish 1913-9-20 8617 Riverside railway water works, Mecca Salton Sink -57 Comment
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Feb 3 2011
  RSA0020382  Rumex hymenosepalus Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4658 Riverside Around the confluence of the San Gorgonio and Whitewater river drainages, just south of the historic Palm Springs Station, about 1.5 air miles northwest of Windy Point. 340 Comment
  CDA2894  Rumex obtusifolius A. C. Sanders, T. B. Salvato 2001-5-24 24368 Riverside Perris-Aguanga Basin; Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada Comment
  RSA653321  Sagittaria latifolia A. C. Sanders, Mitch Provance, T. B. Salvato 2000-10-5 23720 Riverside Santa Ana River Valley: Hidden Valley Wildlife Area, about 1/2 mile west of the park office (nature center), near Riverside between La Sierra & Norco. 191 Comment
  SD186015  Sagittaria latifolia S. J. Myers 1996-5-17 Riverside Corona, River Road bridge over the Santa Ana River. 152 Comment
  UCR50421  Salix L. F. LaPre, S. J. Myers 1988-2-18 s.n. Riverside Peninsular Range, 1/2 mi. SE of Tule Springs within boundaries of Anza-Borrego State Park 1131 Comment
  CAS-BOT-BC103904  Salix exigua Frank W. Peirson 1933-4-15 10650 Riverside Whitewater River, 4 1/2 miles above the bridge 701 Comment
  JOTR30775  Salix exigua La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1886 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  RSA6466  Salix exigua H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  UC469686  Salix exigua F. R. Fosberg 1930-3-9 S 1550 Riverside almost on San Bernardino Co. line Mission Creek Canyon; Little San Bernardino Mts. 800 Comment
  SDSU13347  Salix exigua var. hindsiana Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU), M. G. Simpson 2000-4-1 30 Riverside Santa Margarita Ecological Reserve (SDSU). Near the center of the gorge, near the pipe line crossing. 239 Comment
  PASA2679  Salix hindsiana var. leucodendroides Mrs. H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside, Riverside County 240 Comment
  JOTR35495  Salix laevigata La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3183 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  POM319095  Salix lasiolepis Patricia Wilder 1971-3-20 4900 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  RSA601111  Salix lasiolepis A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18106 Riverside San Bernardino Mtns Morongo Indian Reservation, natural pond and bog at SE edge of Burro Flats. Comment
  HSC101582  Saltugilia australis Steve Boyd, Susan Jett 2008-3-20 11835 Riverside Peninsular Ranges; Santa Ana Mountains region: Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Highway Vehicle Area Comment
  UC52475  Saltugilia splendens subsp. splendens H. M. Hall Aug 1896 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley Comment
  CHSC781  Salvia apiana E. Thomas 1940-5-26 Riverside Pleasant Valley, Joshua National Monument. Comment
  UC76195  Salvia apiana Miss M. A. King 1893-1 Riverside Menifee Comment
  LA212161  Salvia apiana A. L. Haines; 1951-5-19 s.n. Riverside SAN JACINTO MOUNTAINS, Bautiste Wash. 609 Comment
  RSA411369  Salvia carduacea Ora M. Clark 1929-2-24 1532 Riverside Cabazon, Colorado Desert. Comment
  RSA776226  Salvia carduacea Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 878 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 793 Comment
  UC574920  Salvia carduacea C. Epling and J. Ewan Jun 1933 Riverside near Alberhill; Temescal Canyon Comment
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Sep 17 2016
  RSA401510A  Salvia columbariae Jeannette B. Edge 1934-3-25 s.n. Riverside Jurupa Mountains 549 Comment
  RSA628480  Salvia columbariae A. C. Sanders 1994-5-30 14600 Riverside NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  RSA651673  Salvia columbariae Toppenberg 1961-5-12 7 Riverside Beaumont side of Idyllwild. Comment
  UC1124712  Salvia columbariae A. Lewis Mar 1934 326 Riverside Bedford Canyon; Corona Quad. 335 Comment
  UC1979530  Salvia columbariae Darin L. Banks, Steve Boyd 1995-4-5 133 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, along the Dripping Springs Trail. Comment
  UC1979870  Salvia columbariae Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 768 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Mecca Hills, Shaver's Well Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. Comment
  UC404039  Salvia columbariae Dr. D. P. Barrows before Aug., 1898 30 Riverside Cahuilla Indians Comment
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Sep 23 2009
  UCD125694  Salvia columbariae R. L. Smith 1948-3-25 s.n. Riverside Cabazon. Comment
  UCSB47321  Salvia columbariae Hibbard, Doug 1977-5-14 Riverside Off both sides of Hwy 74; 3.3 miles from its intersection with Hwy 111; Palm Desert area 280 Comment
  UCSB9265  Salvia columbariae Wedberg, H. 1957-3-23 Riverside Whitewater Canyon Comment
  UCLA69693  Salvia eremostachya Elizabeth McClintock 1941-5-30 Riverside near Tule Creek; Coyote Canyon Comment
  RSA446316  Salvia greatae Robert Gustafson 1981-4-7 2147 Riverside West end of Salt Creek Wash, above Dos Palmas Spring, southern flank of the Orocopia Mts. El. ca. 150'. 46 Comment
  UCR241123  Salvia greatae Petra Wester 2004-6-3 499 Riverside Sonoran (Colorado) Desert, dirt road [Bradshaw Trail] between Orocopia and Chocolate mountains 240 Comment
  UCR251322  Salvia greatae Michelle Murphy-Mariscal 2014-5-6 50614- 01 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, 1.25 mi. NE (67 deg. ) of trestle on Kaiser mine RR at wash crossing, between RR and Bradshaw Rd. 308 Comment
  CHSC26069  Salvia mellifera James Henrickson 1970-4-10 4529 Riverside 8 air miles ESE of Temecula along Hwy. 71-79. 542 Comment
  RSA434138  Salvia mellifera Bonnie C. Templeton, I. W. Clokey 1930-4-9 1067 Riverside Palm Springs. 650 Comment
  RSA525270  Salvia mellifera Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4584 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  UCR199573  Salvia mellifera Scott D. White, Angelia Carey 2004-7-2 10588 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR47225  Salvia mellifera B. G. Pitzer, L. F. LaPre 1987-3-2 0429 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
  UCR91418  Salvia mellifera Scott D. White 1995-4-5 2708 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  UCSB41856  Salvia mellifera Weidert, E. 1970-5-22 Riverside Perris Hills Gavalin Canyon 365 Comment
  SEINET7882518 Image available Sambucus glauca Jean Coulson 1959-1 188 Riverside Riverside, Riverside County, Calif. .4 mi. from Pennsylvania Ave. on Canyon Crest E. side of road, in gully. Comment
  UCR174520  Sambucus mexicana A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32495 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA552724  Sanicula arguta Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6766 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  SEINET13945117 Image available Sanicula arguta A. C. Sanders 2001-1 24144 Riverside Santa Ana Mtns. Region: W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro, E side of Rancho C. Rd. 488 Comment
  POM15039  Sanicula bipinnatifida Mary F. Spencer 1922-4-25 427 Riverside Lamb Canyon Pass, Banning. Comment
  RSA527854  Sanicula crassicaulis Scott D. White 1991-5-13 91 -79 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  UCR123866  Sarcostemma cynanchoides subsp. hartwegii Steven R. Hill 2001-5-3 33651 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 1.0-1.5 mi SW of Calif. Hwy 111, Palm Springs.Boundary of Palm Springs Aerial Tramway property, at entrance gate 610 Comment
  JOTR16552  Sarcostemma hirtellum Vanderspek & Youse 1964-4-19 64535 Riverside Joshua Tree National Park. WILSON CANYON Comment
  JOTR32022  Sarcostemma hirtellum La Doux, Tasha, T. Herskovits, M. Harding 2011-4-21 2252 Riverside Joshua Tree National Park. Pinto Basin, south of Sand Hill; sandy ramps at base of Pinto Mountain (Stop 1) 504 Comment
  JOTR32907  Sarcostemma hirtellum Andre, Jim, Tasha La Doux 2009-3-10 11250 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  JOTR00958  Sarcostemma hirtellum Moran, Reid 1941-5-5 850 Riverside Joshua Tree National Park. WASH SOUTH OF OLD DALE Comment
  RSA47452  Schedonorus arundinaceus J. C. Roos 1949-5-21 4317 Riverside Temecula. 304 Comment
  SEINET7072825  Schismus arabicus A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371 [the Cahiulla Road]. Coordinate datum: WGS84/NAD83. (33? deg. 27' 46" North Latitude, -116? deg. 51' 36" West Longitude, Coordinate datum: NAD27.). Comment
  HSC79099  Schismus barbatus Larry Hendrickson 1973-3-18 8590 Riverside 16 mi. E of Temecula, 2.9 mi. E of Aguanga along Hwy. 71. 823 Comment
  JOTR16789  Schismus barbatus Leary, Pat and Hogan, J. 1975-2-11 899 Riverside Joshua Tree National Park. EAST END OF PLEASANT VALLEY 975 Comment
  RSA794234  Schismus barbatus Jim Andre 2012-3-19 21397 Riverside Palen Mountains; along Palen Pass Road at Palen Pass. 383 Comment
  UCD93259  Schismus barbatus Peter Kamb 1948-4-11 893 Riverside Lower Sonoran Zone. Aqueduct Road 5 mi east of Garnet, Coachella Valley. 304 Comment
  UCD93275  Schismus barbatus Elizabeth Wilson 1940-4-2 s.n. Riverside Riverside Counrty: Palm Springs. Comment
  UCR121349  Schismus barbatus A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25029 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  UCR182513  Schoenoplectus Mitch Provance 2005-5-17 6597 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  UCR277488  Schoenoplectus californicus Mitch Provance 2013-2-16 0213- 01 Riverside Santa Ana River Valley, Riverside, Arlanza area, W side of Hole Lake and adjacent mesa. 226 Comment
  POM153368  Schoenoplectus maritimus Phillip A. Munz, I. M. Johnston 1928-9-12 11243 Riverside North end of Lake Elsinore. Comment
  POM186279  Scirpus acutus var. occidentalis Joseph A. Ewan, C. Epling 1933-5-12 7604 Riverside South shore Lake Elsinore. Comment
  UCR154440  Scrophularia californica A. C. Sanders, Mike Misenhelter 2005-6-15 30981 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
  UCR262271  Scrophularia californica A. C. Sanders 2006-5-13 32291 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  POM158429  Scrophularia californica subsp. floribunda Philip A. Munz 1927-5-21 10850 Riverside San Carlos Pass. 2 mi. S.E of Anza. Comment
  RSA192103  Scrophularia californica subsp. floribunda E. W. Lathrop 1960-6-8 4931 Riverside 14 miles west of Murrieta Comment
  SD247449  Scutellaria mexicana A. C. Sanders, Jim Malusa 2015-9-10 41857 Riverside Sonoran (Colorado) Desert: Bradshay Trail, 0.85 mile SE of its junction with Summit Road in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range (East of Red Canyon 7.5'Q) 480 Comment
  UC884233  Scutellaria siphocampyloides I. W. Clokey, E. G. Anderson 1935-8-2 6905 Riverside w of Hemet Lake 1370 Comment
  UCR261512  Selaginella bigelovii Joseph Cahill 2011-1-8 111- 23 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  UCR275953  Selaginella bigelovii T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3794 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  UCR89391  Selaginella bigelovii A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15867 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
  SEINET10470978  Selaginella eremophila Rolla M. Tryon 1950-7-13 Tryon 5057 Riverside Palm Springs, at the edge of boulders in the desert close to the mountain side. Dry, sunny. A very hot and dry habitat. More abundant on the lowest slope of the mountain than on the desert. Growing in sand and gravel on the north side of boulders. Comment
  SDSU1920  Selaginella watsonii Louis C. Wheeler 1931-10-3 456 Riverside Tahquitz Peak, San Jacinto Mts. 2621 Comment
  RSA262101  Senecio flaccidus var. douglasii E. W. Lathrop 1971-3-24 7465 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA263695  Senecio flaccidus var. douglasii E. W. Lathrop 1976-11-1 7600 Riverside Bedford Truck Trail of the Cleveland National Forest, Trabuco District. 915 Comment
  RSA305658  Senecio flaccidus var. douglasii C. W. Tilforth, Walter Wisura 1979-10-11 1921 Riverside Thomas Mtn. Rd., 10.4 mi. from north jct. with Hiway 74, south of Lake Hemet, Garner Valley. Comment
  SD137853  Senecio flaccidus var. douglasii Darin L. Banks, Steve Boyd 1995-5-17 448 Riverside Agua Tiobia Mountains; north face of Agua Tibia Mountain, east of the Dripping Springs Alcove. 594 Comment
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May 20 2013
  UCR157770  Senecio flaccidus var. douglasii T. B. Salvato, A. C. Sanders 2005-5-17 905 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
  UCR167271  Senecio mohavensis 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
  UCR139037  Senecio vulgaris D. L. Banks, V. W. Steinmann 1997-3-13 1427 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  RSA523870  Senecio vulgaris Gordon H. True 1935-4-1 199 Riverside Box Springs. 366 Comment
  CAS-BOT-BC438214  Sesuvium verrucosum S. B. Parish; W. F. Parish 1891-11-3 2278 Riverside Shores of Elsinore Lake Comment
  RSA338585  Setaria adhaerens A. C. Sanders 1985-8-24 5948 Riverside Near Oasis in the lower Coachella Valley, common weed in a grapefruit orchard on the dirt extension of Ave. 76, 0.4 mi. E if Hwy 195, along the S side of a large drain flowing toward the Salton Sea. Comment
  UC1026580  Setaria verticillata John C. Roos 1952-5-14 5660 Riverside corner Iowa Ave. & 8th. St. e. of Riverside 304 Comment
  RSA585741  Sidalcea malviflora subsp. malviflora D. L. Banks, Steve D. Boyd 1995-5-9